GB/T 18816-2002 General technical requirements for marine heat exchangers
Some standard content:
1C.547.020.50
National Standard of the People's Republic of China
GB/T18816--2002
General specifications for marine heat exchangers
General specifications for marine heat exchangers exchanger2002-08-28 Issued
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
2003-01-01 Implementation
Normative Citations
Test Method
Mark. Package, widely used.
GB/T18815-2002
GR/T18816
This standard adds 1 industry standard (B/3690-995 general equipment for combined heat exchangers). This standard is formulated based on the experience of the implementation plan and reference to relevant domestic and foreign standards. Compared with C3·!, the differences are as follows: "Applicable month range week from the safety not more than 20 heart heart increase line 25: 1C, 2 design E to GMa is high to .5a
3. Specially added the "heat exchange" of the heat exchanger, "heat exchange volume" of the meaning: the. Added the refrigeration product range heat change decision test requirements; 5. For the gas requirements,
training snake-shaped general requirements:
7. Added the "heat exchanger performance requirements:
%. Modified the strength meter requirements;
9, political suitability requirements:
11 material requirements:
11. The necessary drawings in 31995 of this standard are not available for the company to report: this standard The National Machinery Standardization Committee of the People's Republic of China. The wood standard starts from the unit: the city's registered sales machine in the auxiliary industry comprehensive technology this economic research supplement Nan Jiao registered buckle city! Chaobei Dengzhong exchange limited company can be, business 11 sales inspection bureau: wood standard main secret start single person: Gongwen, Chongran decision, hot chain, except Linhui, Liu Yang, Zhang Jiebiao, · Wang
General technical conditions for marine heat exchangers
GR/T188162002
This standard specifies the requirements, test methods, and inspection methods for the cooling process of heat exchangers, the following requirements for heat exchangers, and the following requirements for heat exchangers. This standard is used to urge the use of = design without one 2.: M. The medium is not smooth and the CC is not smooth. . Liquid, water, hot water, hot steam, gas, hydrogen, etc. (permitted production. Carbon-based refrigerants are used as substitutes for heat exchangers) design, manufacture and acceptance: 2 Normative reference documents
The following documents are cited in this standard and become the terms of this standard. For any cited document of a certain period, all its accompanying revisions (small packages, small packages, etc.) shall not be used. However, the latest version of these documents selected according to this standard is the new version card: For referenced documents not indicated, the latest version shall be used as the following standard, GH53
G713 moving code
GH, 7-18 high-quality clean structure hot-rolled thick plate and wide adjustment chemical G11/1 1:73 1995
Wen Shao Jin
R/T 15971992
GBF 150 11
Copper and steel alloy tension joints
Low alloy enterprise production standard structure (MS) 490.1931) (5/11500.31998 proposed limit and matching base book No. 3 shadow points, standard pain tolerance and grass water deviation number table (c9* 130 286 1,19xx)
GR/T 2MI- 158H
t:/T 2usf 2rrn
G3/T $62:-1995
GEEIJE
Operation board
Copper-containing non-metal
Heat exchanger and condenser key and lock
Front heat key plate
Shezhou diesel air cooler test method Tle3
GB/T E8UU-IP8
/[943!
GT/T 1.$37
GR/T 13R
Transport heat grid with smooth steel gS5:591
Heat exchanger with alloy chain pipe
Special parts
The first month of the volute furnace and pressure abandoned strength and tightness test force method super month auxiliary protection of the correct maintenance alliance correct heart good technical policy parts 8 - stock magnetic new parts (15037:175)
1993 Piyun heat exchanger chain structure
GB:1 14815
Use open type heat exchanger
S oil cooler method heat purchase
CK/T380: Si use corrugated steel
Use sheet sound heat conversion material
!s: P $0
C3/T386 Marine Refrigeration Equipment
Steel Seagoing Vessel Classification and Social Standards: China GR/T188°6—2002
3 Summary
3.1 Thermal Calculation
3.1.1 The thermal value of the heat exchanger is calculated according to the formula: Q
Heat quantity, unit: W): Total transmission coefficient. Unit: per square meter w (): The value of the heat exchanger is the unit: The position is square meter (m); the unit of logarithmic calorimeter difference is micrometer (): the unit of degree is the mountain number, the new person "8":
-clean service efficiency, the input flow is not much 185
1: the hot spot of the cooler is the effective potential of the cooling medium, 2: the heat exchange surface of the cooler is the total area of the cooling medium, 3: the heat exchange plate of the heater is the heat exchanger, let the heat exchange efficiency be the total area of the material environment, let; the condensation zone efficiency is the total output volume of the gas or gas. Design: the net heat transfer of the metal pipe is the total heat transfer surface of the pipe, 3.1.2 The total heat transfer coefficient K of the heat transfer tube is not much different from the performance test data 1: the design cost is greater than the performance test value.
3.1.3 The total transfer K value of the potential change solution should meet the requirements of Table 1; Table 1
Heat exchange service
Cooler
Technical/Natural Resources
E: Hot steam
3.1.4 The maximum flow rate of various pipes in the chain should exceed the flash value specified in the table. Total transmission coefficient wm:
:--2200
1 ro--5
2c-1 nn.tid
G5--200
1 2u@--2s
a--I r
Be--1 cn
3.2 Strength calculation
CB/T188FE
Maximum service life/m
3.2.1 Determination of the allowable service point of heat exchanger According to the formula (2) and formula (3), the smaller one is calculated and estimated, and the stress of calcium material heat exchanger is taken as the percentage of the calculated structure
The flow rate is equal to H
[31= /2. 7]
[s-=e1.i]
The required temperature is 5°C.
23 = 35/1. 5 :
The value of the strength of the material at the ambient temperature, in megapascal MP: The value of the service point of the material at the ambient temperature, in megapascal MPa)-The value of the service point of the material at the component temperature or the specified temperature, in megapascal MPa: The value of the 110\1 degree acid breaking strength of the material at the component metal, in megapascal MPa. The heat exchanger design should be based on the formula (4) for calculation: The quality should meet the calculation results of formula (5). a
8-200=p+0.73
2 3 -1 1/1 500
should be calculated as follows: a
8-200=p+0.73
2 3 -1 1/1 500
should be calculated as follows: mrn); Assume! The numerical value is:
one send two inner diameter number when, the unit is meter (mn) over the allowable stress number, the unit is megaPa) positive-weld chain system effect
explosion final system in the whole is as follows:
for the return method + 1.6Pa to steal the gold temperature + 5C or the commercial body beat the calculation temperature of 6m when the music
for the Ding war calculation pressure less than 1.MPa or the simple metal development temperature is less than 15\C or the simple rest temperature is calculated in h
1Srm.C.GJ.
3.2.3 For the exchange of fuel, the ball transfer seal is shown in Table 1.2. The minimum de-effective formula (3) is calculated in section 0
. The minimum thickness of the head is in units of m
. The calculated value is a:
.-(i)
GB/T18B16—20M02
The estimated outer diameter of the head is in meters m:
The value of the force is in units of m
. The average head shape coefficient.
Head shape coefficient is selected according to the value of the head without hole: for the head with hole, the value can be taken in the shallow light: for the head with hole, the value can be taken according to 2/V and the value can be taken in the selected connection to measure the true diameter of the large hole and the hole length 1Ho
3.2.4 Heat exchanger flat buy (water chamber) see Figure 4. The small original stomach formula (7 formula (8) formula (9: calculation: step over the head measurement formula (calculation,
8=heart o
—the minimum thickness of the head, the unit is mm calculation coefficient:
D-. The value of the cylinder calculation white certificate. The step is more than mm1
The teaching value of the calculation is mm:
The village material point is the effective position of the sheep as the busy MF). 1 Calculation system (. According to Table 3,
For some points of the head
1 :J3-0.05
.--. 1
Potential transformation of the minimum rectangular head length formula: Formula is also single-CD.N
n=vi+taisy
Wu Zhong:
When the head becomes the micro value of the primary school, the unit is the crown meter m ratio coefficient:
When the head diameter value, the position is m
The shortest sensitive part of the moon shadow seal is the single inspection meter (m%): the distance, the average effective value of the long side of the head. The single insurance is the design square value of the square part, the unit is mega (MPa) The material is called the effective hundred, the unit is mega and the unit is MPu! After the system is excited (Table 4 Here we take
Figure 4h:
CR/T8816-20C2
GB/T1B816-2002
Minimum FFmoi
3.2-5 The minimum value of the heat exchanger should be calculated according to formula 10 and the minimum value should not be less than 11. g
In the formula:
A minimum value of the design pressure, unit is MP) ,
The effective value of the distance between the center diameters of the through holes in the outermost row, in millimeters (mm): The micro value of the material's control strength. The unit is MP: The number of distances between the center holes of the two tubes, in millimeters (r\ The effective value of the diameter is in millimeters ().
3.3 Materials
3.3-1 The plate material of the cooked cross-reliance device shall meet the requirements of Table 5. Table 5
Season companion
Material code
Q245-AH,
1[Snf-1.H82
Standard technology and consumption specifications
(k1 7n9--.128
Sea line change
*Parts name
Table 5 continued!
Q22A.Q23:n.025:-t
HSn2-1,H2
Q23 .-A.Q2 1a-:.0-b-*
Hi:rl.ks?
Refers to the pipe material of the coupling should meet the requirements of the table. Table 6
Quickly used quality
Ronghui & its
piece material brand
Bp3? : 1,Beele 1 1
TP2.12,HSn:6: 1
H4:17:3-1.H6.A
,HXn*-
Does the belt and water chamber of the mature heat exchanger conform to the table? Requirements, table
suitable hair quality
Yun Ke ice sea water, point production other
HSS2-1
HT209--FT:5\
2G269-:
11200--1135\
2G230c
Q255 A.Q23: .211
GB/T188162302
standard and section
G1/T 7X:1R9
steel frequency sea new people Jingda Tifan 2U.
GE/1 1521-151
GG/T 30: -1939
GB:T :-1SA
The idle life is:
Gb:- 1191 -1551
Gb:- -1--gn:
l/ s80n-ic06
GB:- 3:2:-1.9:
GE/T 1b2
GH/T +RN:
08/11 5
GP/T U4:1
GP.T 44.9 19R
G2/T 152 156S
GH.T 44:9
r t731as
GR: 7009E5.GU/T 2
GB/T18816--2002
3.3.4 It is allowed to adopt other materials that meet the relevant standards and have a performance not lower than that in Table 7. 3.4 Requirements
3..1 If the equipment manufacturer wants to carry out a brush brushing operation within the equipment, the difference between the inner wall and the rising flow return should not be greater than that in Table 8.
3.4.2 The heat exchanger should be calibrated according to the standard.
3.4.3 The fuel exchanger should adopt a flange structure or a double-flange structure. The number of damaged parts should not exceed half of the total number of parts. 3.4.5 When the heat exchanger tube plate is connected to the heat exchanger, the plate kink is smaller than the thickness of the heat exchanger tube. 3.4.6 When the heat exchanger end cover is connected to the seawater, a cut-off plate should be installed. 3.4.7 The diameter of the air hole on the heat exchanger end cover water chamber is not more than 6m.m34. When the seawater is connected to the heat exchanger end cover water chamber, the water chamber should be located at a depth of 3.1.9 The heat exchanger expansion joint should preferably be a 0-shaped expansion joint with no expansion tube. 3.4.10 The heat exchanger 0-shaped expansion joint should be larger than 20m. Its height should be greater than 1.5m. 3.4. *1
heat exchanger heat exchanger length mm when the parts have joints. But the quantity is small and the length should be large. 3001 heat exchanger light tight check table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return tube no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation table, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.4.17 The cooler for the cooled gas shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum overall thickness of the body of the machine shall not be less than 1/45 of the design. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the design thickness (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is a meter
change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the requirements of (..3/11600.313! 1. The outer diameter of the plate and the fit between the body and the shape should be placed in the shape. The misalignment should not be greater than 1% of the thickness and should not be greater than 0.1mm. The connection should be maintained at 20 ...1
Potential transformation, the minimum length of the rectangular head is connected to the formula: the formula is also single-CD.N
n=vi+taisy
Wu Zhong:
When the head is the micro value of the primary school, the unit is the crown meter m ratio coefficient:
When the head diameter value, the position is m
The shortest sensitive part of the shadow seal is the single inspection meter (m%): the distance, the average effective value of the long side of the head. The single insurance is the design square value of the square part, the unit is megawatt (MPa) The material is called the effective hundred, the unit is megawatt MPu! After the system is excited (Table 4 Here we take
Figure 4h:
CR/T8816-20C2
GB/T1B816-2002
Minimum FFmoi
3.2-5 The minimum value of the heat exchanger should be calculated according to formula 10 and the minimum value should not be less than 11. g
In the formula:
A minimum value of the design pressure, unit is MP) ,
The effective value of the distance between the center diameters of the through holes in the outermost row, in millimeters (mm): The micro value of the material's control strength. The unit is MP: The number of distances between the center holes of the two tubes, in millimeters (r\ The effective value of the diameter is in millimeters ().
3.3 Materials
3.3-1 The plate material of the cooked cross-reliance device shall meet the requirements of Table 5. Table 5
Season companion
Material code
Q245-AH,
1[Snf-1.H82
Standard technology and consumption specifications
(k1 7n9--.128
Sea line change
*Parts name
Table 5 continued!
Q22A.Q23:n.025:-t
HSn2-1,H2
Q23 .-A.Q2 1a-:.0-b-*
Hi:rl.ks?
Refers to the pipe material of the coupling should meet the requirements of the table. Table 6
Quickly used quality
Ronghui & its
piece material brand
Bp3? : 1,Beele 1 1
TP2.12,HSn:6: 1
H4:17:3-1.H6.A
,HXn*-
The belt and water chamber of the heat exchanger meet the requirements of table?, table
suitable hair quality
Yun Ke ice sea water, point production and other
HSS2-1
HT209--FT:5\
2G269-:
11200--1135\
2G230c
Q255 A.Q23: .211
GB/T188162302
standard and section
G1/T 7X:1R9
steel frequency sea new people Jingda Tifan 2U.
GE/1 1521 -151 |
GE/T 1b2
GH/T +RN:
08/115
GP/T U4:1
GP.T 44.9 19R
G2/T 152 156S
GH.T 44:9
r t731as
GR: 7009E5.GU/T 2
GB/T18816--2002
3.3.4 It is allowed to adopt other materials that meet the relevant standards and have a performance not lower than that in Table 7. 3.4 Requirements
3..1 If the equipment manufacturer wants to carry out a brush brushing operation within the equipment, the difference between the inner wall and the rising flow return should not be greater than that in Table 8.
3.4.2 The heat exchanger should be calibrated according to the standard.
3.4.3 The fuel exchanger should adopt a flange structure or a double-flange structure. The number of damaged parts should not exceed half of the total number of parts. 3.4.5 When the heat exchanger tube plate is connected to the heat exchanger, the plate kink is smaller than the thickness of the heat exchanger tube. 3.4.6 When the heat exchanger end cover is connected to the seawater, a cut-off plate should be installed. 3.4.7 The diameter of the air hole on the heat exchanger end cover water chamber is not more than 6m.m34. When the seawater is connected to the heat exchanger end cover water chamber, the water chamber should be located at a depth of 3.1.9 The heat exchanger expansion joint should preferably be a 0-shaped expansion joint with no expansion tube. 3.4.10 The heat exchanger 0-shaped expansion joint should be larger than 20m. Its height should be greater than 1.5m. 3.4. *1
heat exchanger heat exchanger length mm when the joints. But the small amount of carrying long benefits should be large dry 3001 heat exchanger light tight check table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return tube no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation of the table, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.4.17 The cooler for the cooled gas shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum overall thickness of the body of the machine shall not be less than 1/45 of the design. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the design thickness (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is a meter
change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the requirements of (..3/11600.313! 1. The outer diameter of the plate and the fit between the body and the shape should be placed in the shape. The misalignment should not be greater than 1% of the thickness and should not be greater than 0.1mm. The connection should be maintained at 20 ...1
Potential transformation, the minimum length of the rectangular head is connected to the formula: the formula is also single-CD.N
n=vi+taisy
Wu Zhong:
When the head is the micro value of the primary school, the unit is the crown meter m ratio coefficient:
When the head diameter value, the position is m
The shortest sensitive part of the shadow seal is the single inspection meter (m%): the distance, the average effective value of the long side of the head. The single insurance is the design square value of the square part, the unit is megawatt (MPa) The material is called the effective hundred, the unit is megawatt MPu! After the system is excited (Table 4 Here we take
Figure 4h:
CR/T8816-20C2
GB/T1B816-2002
Minimum FFmoi
3.2-5 The minimum value of the heat exchanger should be calculated according to formula 10 and the minimum value should not be less than 11. g
In the formula:
A minimum value of the design pressure, unit is MP) ,
The effective value of the distance between the center diameters of the through holes in the outermost row, in millimeters (mm): The micro value of the material's control strength. The unit is MP: The number of distances between the center holes of the two tubes, in millimeters (r\ The effective value of the diameter is in millimeters ().
3.3 Materials
3.3-1 The plate material of the cooked cross-reliance device shall meet the requirements of Table 5. Table 5
Season companion
Material code
Q245-AH,
1[Snf-1.H82
Standard technology and consumption specifications
(k1 7n9--.128
Sea line change
*Parts name
Table 5 continued!
Q22A.Q23:n.025:-t
HSn2-1,H2
Q23 .-A.Q2 1a-:.0-b-*
Hi:rl.ks?
Refers to the pipe material of the coupling should meet the requirements of the table. Table 6
Quickly used quality
Ronghui & its
piece material brand
Bp3? : 1,Beele 1 1
TP2.12,HSn:6: 1
H4:17:3-1.H6.A
,HXn*-
The belt and water chamber of the heat exchanger meet the requirements of table?, table
suitable hair quality
Yun Ke ice sea water, point production and other
HSS2-1
HT209--FT:5\
2G269-:
11200--1135\
2G230c
Q255 A.Q23: .211
GB/T188162302
standard and section
G1/T 7X:1R9
steel frequency sea new people Jingda Tifan 2U.
GE/1 1521 -151 |
GE/T 1b2
GH/T +RN:
08/115
GP/T U4:1
GP.T 44.9 19R
G2/T 152 156S
GH.T 44:9
r t731as
GR: 7009E5.GU/T 2
GB/T18816--2002
3.3.4 It is allowed to adopt other materials that meet the relevant standards and have a performance not lower than that in Table 7. 3.4 Requirements
3..1 If the equipment manufacturer wants to carry out a brush brushing operation within the equipment, the difference between the inner wall and the rising flow return should not be greater than that in Table 8.
3.4.2 The heat exchanger should be calibrated according to the standard.
3.4.3 The fuel exchanger should adopt a flange structure or a double-flange structure. The number of damaged parts should not exceed half of the total number of parts. 3.4.5 When the heat exchanger tube plate is connected to the heat exchanger, the plate kink is smaller than the thickness of the heat exchanger tube. 3.4.6 When the heat exchanger end cover is connected to the seawater, a cut-off plate should be installed. 3.4.7 The diameter of the air hole on the heat exchanger end cover water chamber is not more than 6m.m34. When the seawater is connected to the heat exchanger end cover water chamber, the water chamber should be located at a depth of 3.1.9 The heat exchanger expansion joint should preferably be a 0-shaped expansion joint with no expansion tube. 3.4.10 The heat exchanger 0-shaped expansion joint should be larger than 20m. Its height should be greater than 1.5m. 3.4. *1
heat exchanger heat exchanger length mm when the parts have joints. But the quantity is small and the length should be large. 3001 heat exchanger light tight check table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return tube no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation table, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.4.17 The cooler for the cooled gas shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum overall thickness of the body of the machine shall not be less than 1/45 of the design. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the design thickness (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is a meter
change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the requirements of (..3/11600.313! 1. The outer diameter of the plate and the fit between the body and the shape should be placed in the shape. The misalignment should not be greater than 1% of the thickness and should not be greater than 0.1mm. The connection should be maintained at 20 ...025:-t
HSn2-1,H2
Q23 .-A.Q2 1a-:.0-b-*
Hi:rl.ks?
refers to the pipe material of the crossover device, which should meet the requirements of the table. Table 6
Xun used the quality
Ronghui & its
piece material brand
Bp3? : 1,Beele 1 1
TP2.12,HSn:6: 1
H4:17:3-1.H6.A
,HXn*-
The belt and water chamber of the exchanger meet the requirements of the table? Requirements, table
suitable hair quality
Yun Ke ice sea water, point production other
HSS2-1
HT209--FT:5\
2G269-:
11200--1135\
2G230c
Q255 A.Q23: .211
GB/T188162302
standard and section
G1/T 7X:1R9
steel frequency sea new people Jingda Tifan 2U.
GE/1 1521-151
GG/T 30: -1939
GB:T :-1SA
The idle life is:
Gb:- 1191 -1551
Gb:- -1--gn:
l/ s80n-ic06
GB:- 3:2:-1.9:
GE/T 1b2
GH/T +RN:
08/11 5
GP/T U4:1
GP.T 44.9 19R
G2/T 152 156S
GH.T 44:9
r t731as
GR: 7009E5.GU/T 2
GB/T18816--2002
3.3.4 It is allowed to adopt other materials that meet the relevant standards and have a performance not lower than that in Table 7. 3.4 Requirements
3..1 If the equipment manufacturer wants to carry out a brush brushing operation within the equipment, the difference between the inner wall and the rising flow return should not be greater than that in Table 8.
3.4.2 The heat exchanger should be calibrated according to the standard.
3.4.3 The fuel exchanger should adopt a flange structure or a double-flange structure. The number of damaged parts should not exceed half of the total number of parts. 3.4.5 When the heat exchanger tube plate is connected to the heat exchanger, the plate kink is smaller than the thickness of the heat exchanger tube. 3.4.6 When the heat exchanger end cover is connected to the seawater, a cut-off plate should be installed. 3.4.7 The diameter of the air hole on the heat exchanger end cover water chamber is not more than 6m.m34. When the seawater is connected to the heat exchanger end cover water chamber, the water chamber should be located at a depth of 3.1.9 The heat exchanger expansion joint should preferably be a 0-shaped expansion joint with no expansion tube. 3.4.10 The heat exchanger 0-shaped expansion joint should be larger than 20m. Its height should be greater than 1.5m. 3.4. *1
heat exchanger heat exchanger length mm when the parts have joints. But the quantity is small and the length should be large. 3001 heat exchanger light tight check table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return tube no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation table, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring surface and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum integral thickness of the body of the machine shall not be less than the designed thickness. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the potential value (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is a meter
change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the requirements of (..3/11600.313! 1. The outer diameter of the plate and the fit between the body and the shape should be placed in the shape. The misalignment should not be greater than 1% of the thickness and should not be greater than 0.1mm. The connection should be maintained at 20 ...025:-t
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refers to the pipe material of the crossover device, which should meet the requirements of the table. Table 6
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piece material brand
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suitable hair quality
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GB/T188162302
standard and section
G1/T 7X:1R9
steel frequency sea new people Jingda Tifan 2U.
GE/1 1521-151
GG/T 30: -1939
GB:T :-1SA
The idle life is:
Gb:- 1191 -1551
Gb:- -1--gn:
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GB:- 3:2:-1.9:
GE/T 1b2
GH/T +RN:
08/11 5
GP/T U4:1wwW.bzxz.Net
GP.T 44.9 19R
G2/T 152 156S
GH.T 44:9
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GR: 7009E5.GU/T 2
GB/T18816--2002
3.3.4 It is allowed to adopt other materials that meet the relevant standards and have a performance not lower than that in Table 7. 3.4 Requirements
3..1 The material of the heat exchanger shall be brushed with a brush for a certain period of time. The inner wall and the riser shall not be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. The inner wall shall be less than the inner wall of the heat exchanger. 3.4.5 When the heat exchanger tube plate is connected to the heat exchanger, the plate kink is smaller than the thickness of the heat exchanger tube. 3.4.6 When the heat exchanger end cover is connected to the seawater, a cut-off plate should be installed. 3.4.7 The diameter of the air hole on the heat exchanger end cover water chamber is not more than 6m.m34. When the seawater is connected to the heat exchanger end cover water chamber, the water chamber should be located at a depth of 3.1.9 The heat exchanger expansion joint should preferably be a 0-shaped expansion joint with no expansion tube. 3.4.10 The heat exchanger 0-shaped expansion joint should be larger than 20m. Its height should be greater than 1.5m. 3.4. *1
heat exchanger heat exchanger length mm when the joints. But the small amount of carrying long benefits should be large dry 3001 heat exchanger light tight check table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return tube no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation of the table, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.4.17 The cooler for the cooled gas shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum overall thickness of the body of the machine shall not be less than 1/45 of the design. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the design thickness (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is m
. The change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the difference between the outer diameter of the plate and the inner diameter of the body. The misalignment should not exceed 1% of the thickness and should not exceed 0.1mm. The connection should be carried out under the pressure of 2mm.Its height should be greater than 1.5 mm. 3. 4. *1
heat exchanger heat exchanger length when the adult mm has joints. But the volume is small and the length should be greater than 3001 heat exchanger light tightness table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return pipe no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation of the meter, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.4.17 The cooler for the cooled gas shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum overall thickness of the body of the machine shall not be less than 1/45 of the design. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the design thickness (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is a meter
change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the requirements of (..3/11600.313! 1. The outer diameter of the plate and the fit between the body and the shape should be placed in the shape. The misalignment should not be greater than 1% of the thickness and should not be greater than 0.1mm. The connection should be maintained at 20 ...Its height should be greater than 1.5 mm. 3. 4. *1
heat exchanger heat exchanger length when the adult mm has joints. But the volume is small and the length should be greater than 3001 heat exchanger light tightness table according to the European heat exchanger heat exchanger tube and the platform version of the account connection has gas requirements, the case return pipe no design pressure should be greater than the center MP:. 3.4.14 heat exchanger temperature: after the installation of the meter, the people eliminate the virtual through the measured axis (see Figure 7). 3.4.15 The cooler for the cooled medium shall be equipped with a temperature measuring device according to Figure 7. 3.4.16 The steam heater shall be equipped with a temperature measuring device, a point force measuring device and a safety net. The gas storage device for the cooled medium shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.4.17 The cooler for the cooled gas shall be equipped with a temperature measuring device, a temperature measuring device and a safety net. 3.5 Manufacturing requirements 3.5.1 The minimum overall thickness of the body of the machine shall not be less than 1/45 of the design. GR/T18816—2002 3.5.2 When the body is made of the same diameter, the nominal diameter of the body shall be smaller than that of the smaller body. 3.5.3 The butt welding of the body shall be: 1/45 of the design thickness (see 3). Figure 3.5.4 The correction angle of the weld joint is not greater than the specified value (see Figure 4), and the joint angle E (see Figure 4): its value should not be greater than the specified value, and not less than 43G-3 91 235 .22.1 533
3.5.5 The hole ka6.3m
is a meter
change angle
3.5.6 The diameter of the composite tube plate should not be less than m after processing. The external inspection should be carried out according to the requirements of (..3/11600.313! 1. The outer diameter of the plate and the fit between the body and the shape should be placed in the shape. The misalignment should not be greater than 1% of the thickness and should not be greater than 0.1mm. The connection should be maintained at 20 ...
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