Some standard content:
ICS73.120
D94
JB
Machinery Industry Standard of the People's Republic of China
JB/T6990—2002
replaces JB/T6990—1993||tt ||MP type roller disc coal mill
Coalmill
MP
Released on 2002-07-16
Implemented on 2002-12-01
China Foreword issued by the National Economic and Trade Commission of the People's Republic of China
Scope
2
Normative reference documents
Types and basic parameters
3
3.1 Type
3.2
Model representation method
3.3 Basic parameters,
4 Technical requirements,
5 Test methods and inspection rules
6
Marking, packaging, transportation and storage
Item
Times
JB/T6990—2002
Foreword
This standard replaces JB /T6990-1993 "Swinging Disc Coal Mill" Compared with JB/T6990-1993, the main changes of this standard are as follows: the standard name is changed from "Swinging Disc Coal Mill" to "MP Type Disc Mill" "The basic parameters have been increased from 6 to 10, and the model specifications have been increased from 7 to 23: - Parts of technical requirements, test methods and inspection rules have been added. This standard is proposed by China Machinery Industry Federation. This standard is under the jurisdiction of the National Mining Machinery Standardization Technical Committee (SAC/TC88). This standard was drafted by: Shenyang Heavy Machinery Group Co., Ltd. The main drafters of this standard: Zhang Tao, Song Lianguo, Yu Hongxu, Guo Ming. JB/T6990—2002
1 scope
MP type roller disc mill
JB/T6990—2002
This standard specifies the MP type roller disc mill Coal machine type and basic parameters, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage
This standard is applicable to the MP type disc coal grinding machine for grinding bituminous coal and some anthracite and lignite Machine (hereinafter referred to as coal mill) 2 Normative reference documents
The provisions in the following documents become the provisions of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding lapses of content) or revisions do not apply to this standard. However, parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. Version. For undated referenced documents, the latest edition applies to this standard. GB/T 191-2000
Packaging, storage and transportation pictorial mark (eqvISO780:1997) 8-ball iron castings
GB/T 1348-1988
GB/T 3768—1996| |tt||(eqv ISO 3746:1995)
GB/T9239—1988
GB/T 13306-1991
JB/T 5000.2—1998
JB/ T 5000.3—1998
JB/T 5000.6—1998
JB/T5000.8—1998
JB/T 5000.9—1998
Determination of sound limit by acoustic sound pressure method Determination of permissible unbalance of rigid rotor balance quality using envelope measurement surface above the source sound power level reflection surface (eqvISO1940-1:1986) Label
General technical conditions for heavy machinery
Flame cutting Parts
General technical conditions for heavy machinery Welded parts
General technical conditions for heavy machinery Steel castings
General technical conditions for heavy machinery Forgings
General technical conditions for heavy machinery Cutting parts JB/T5000.10—1998
JB/T5000.12—1998
JB/T5000.13—1998
General technical conditions for heavy machinery Assembly
General for heavy machinery Technical conditions coating
General technical conditions packaging for heavy machinery
JB/T 7128—1993
Technical conditions for three-phase asynchronous motors for YTM, YHP, YMPS series coal mills (neqIEC60034- 14, IEC60034-5)
3 type and basic parameters
3.1 type
The type of coal mill is shown in Figure 1, which does not determine the structure of the coal mill. 3.2 Model representation method
M
P
Example:
Xx
Grinding roller diameter, unit is dm
Grinding disc diameter, unit dm
F is the negative pressure operation of the coal mill, and the positive pressure operation is not marked with disc type
coal mill
The grinding disc diameter is 2120mm,
the grinding diameter It is a 1650mm disc type coal mill: disc type coal mill (coal mill positive pressure operation) MP-2116
MPF-2116
Negative pressure operation) JB/T6990—2002
Separation
Middle frame body
Control rod mechanism one
Inspection department
Reducer||tt ||Base shift part
3.3 Basic parameters
The basic parameters of the coal mill should comply with the specified models in Table 1
Specifications
MP—0302
MP0403
MP-0503
MP—0604
MP0705
MP-0806
MP—0907
MP—1007|| tt||MP—1108
MP-1209
2
Standard
Output
t/h
0.60||tt| |1.05
1.83
3.26
4.55
5.92
7.95
10.35
13.74
18.08
Deer Plate
Diameter
mma
320
400
500
630
720| |tt||800
900
1000
1120
1250
grinding
diameter
mm|| tt||250
310
390
490
560
620
700
780||tt| |870
970
Dense disk
Speed
t/min
64.0
57.2
51.2||tt ||45.6
42.6
40.5
38.1
36.2
34.2
32.4
Figure 1||tt| |Table 1
ha
main electric
machine power
kw
5.5
11
15||tt ||30
37
55
75
90
110
160
pressurizing device||tt ||Ichihara Tiyu
Spray ring
Lower frame
One motor
000
One time
Air volume|| tt||(in standard state)
m*/s
0.15
0.26
0.45
0.81
1.13||tt ||1.47
1.97
2.57
3.41
4.49. |2730
3010
3320
3690
4010
4350
4670
人磨
粒度||ht||mm||ht||≤8||ht||≤9||ht||≤12||hh||≤15||hh||≤15||hh||≤15| |tt||≤20
≤20
≤25
≤30
工作
风量
(确态下)| |tt||mls
0.10
0.10
0.10
0.10
0.20
0.20
0.20||tt ||0.45
0.45
0.45
??????
??????
MP—1410
MP—-1511
Mp --1612
MP—1713
MP-—1814
MP—1915
MP--2015
MP—2116
MP—2217
MP—2318
MP2419
MP—2519
MP—2620
standard
output
th
24.00
28.50
33.50
39.00
45.00
52.60
58.50
67.70| |tt||78.60
87.60
97.30
107.30
118.30
磨盘
diameter
mm||tt ||1400
1500
1600
1700
1800
1900
2000
2120
2250
2350
2450
2550
2650
磨自
diameter
mm
1090
1170
1240
1320
1400
1500
1560
1650
1750|| tt||1850
1900
1980
2060
表
磨盘
rotation
r/min|| tt||30.6
29.6
28.6
27.8
27.0
26.2
25.6
24.8||tt| |24.1
23.6
23.1
22.6
22.2
1（结）
主电影
power|| tt||kw
200
250
280
355
400
450
500||tt| |560
650
800
850
900
1000
一端
风量
(确态下）||h||m/s||h||6.00||h||7.06||h||8.30||h||9.70||h||11.10||h||13.00|| tt||14.40
16.80
19.20
21.60
24.40
25.60
29.30
磨机厂降| |tt||(磨机前离器)
Pa
5170
5420
5700
5980
6170||tt ||6380
6570
6770
6970
7130
7290
7450
7610
JB/T6990—2002
人磨
粒度
mm
≤35
≤35
40
≤ 40
≤.40
40
≤40
≤40
40
40
≤40|| tt||40
≤40
sealed
风量
(确态下)
m/s
0.90||tt ||0.90
0.90
1.01
1.01
1.01
1.10
1.10
1.19
1.28. ：原电水气M=4%；原赵就基灰分A,≤20%磨机满行生时时时用电machine's output.波2：棏盘车转可可电影效用制粉粉机电影可以。波3： once风量值 refers to the amount of ventilation when the machine is fully loaded, and the value can be reduced by 10% according to the specific system and separator configuration.凯技术设计
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
The specified raw materials, external purchase and processing, assembly etc. technical requirements, 均应电影最行结果行结果结果结果磨行结果结果磨电机电影的结果的结果件可以件可以下载JB/T5000.2--1998的结果的结果机机应电视JB/T5000.3一1998的related provisions。磨病machine黑钢件应用用JB/T5000.6-1998的的related regulations。超电机部件应用用时件JB/T5000.8一1998的related regulations 。 The cutting process of 磨电机件合了是于JB/T5000.9一1998的related regulations。磨痙机球墨铝铁件合五明了JB/T1348-1988的的related regulations。磨痙机电视电影的电影的五用JB/T71281993的结果电视。 The structure of the 磨糖机应用了：
output 用粉 fineness 应电影于电影电影电影：同model磨电机是成件合可以于可以性，以可以可以下载：磨The machine can meet the requirements of the host running mode in the system and adapt to the requirements of load changes.去能力不了0.35MPa:
The positions of the air inlet and powder outlet of the coal mill should meet the requirements of the system layout: the temperature of the primary air entering the mill should not be less than 400°C: the air temperature of the separator outlet: grinding bituminous coal When grinding and stabilizing coal, it should not be higher than 75'℃;
A coal mill, motor and supporting equipment should operate smoothly without abnormal vibration: 3|| tt | The swing should be flexible:
The refueling part should not leak oil:
When a static separator (SLK type) is used, the separator blades should be adjusted flexibly and reliably, and be marked with opening indicators and switches Direction: The return baffle should also be adjusted flexibly without any gaps: When using a dynamic and static rotary separator (SLS type), the rotational speed of the separator's rotating blades should be adjusted sensitively within the specified range, and the rotation of each rotating part should also be adjusted. It should be stable, flexible and reliable: the coal grinding machine grinding device and separator driving device (using SLS type separator) should adopt mechanical and air double sealing, and other sealing points can be set according to system requirements,
4.11 Grinding The noise pressure level of the coal machine during no-load operation should not be higher than 85dB(A). 4.12 The coal mill should be equipped with a monitoring interlock protection device. 4.13 The coal mill is not allowed to operate at working speed without material; it is not allowed to apply loading force when using the turning device. 4.14 The oil temperature in the oil pool of the reducer should not be lower than 25°C when starting, and the oil pool temperature of the sliding thrust bearing should not be higher than 70°C during operation: the lubricating oil temperature of the grinding roller bearings and divider drive device bearings should not be higher than 90°C. . 4.15 The coupling between the main motor and the reducer should be equipped with a protective cover. 4.16 The valve plate of the waste tank hydraulic valve should move flexibly without interference or stagnation. 4.17 Each joint bearing of the coal mill should still rotate flexibly after being assembled on site. 4.18 The weld quality assessment grade of the lower frame body, middle frame body and separator shall be based on the BS and BK levels of JB/T5000.3-1998. 4.19 The hardness of the grinding sleeve and grinding disc tile is (730±30) HV. 4.20 Defect repair welding or gas cutting is not allowed during tire assembly: the heating speed, heating temperature and heating uniformity should be strictly controlled during tire assembly to prevent product breakage.
4.21 When a dynamic and static combined rotary separator (SLS type) is used, the rotating blades and their assemblies should be subjected to static balance tests, and the balance quality level should comply with the provisions of G16 in GB/T92391988. 4.22 The complete supply scope of the coal mill should include: the mill body (including the basic part), reducer, electric motor, hydraulic system, lubrication system, sealing fan, electronic control device, slow transmission device, grinding machine ladder and maintenance Install special tools. The specific supply scope shall be stipulated in the order contract. 4.23 Drawings and technical documents provided with the machine: General assembly drawing, basic drawing, installation drawing of each component: Product instruction manual:
- Product certificate:
Packing list.
5 Test methods and inspection rules
5.1 Before each coal mill leaves the factory, it must undergo body trial assembly and print assembly marks. 5.2 The assembly of the coal grinder should comply with the relevant regulations of JB/T5000.10-1998. 5.3 The paint and rust prevention of coal mills should comply with the relevant regulations of JB/5000.12-1998. 5.4 The grinding and editing department conducts an air tightness test. The test pressure is 0.2MPa and the pressure is maintained for 30 minutes. The pressure drop should not be greater than 0.1MPa. 5.5 The reducer should be tested with no load at the manufacturer. The operating time should not be less than 8 hours. The noise and oil temperature and shall comply with the provisions of 4.11 and 4.14.
5.6 The reducer lubrication system undergoes a pressure test at the manufacturer. The test pressure is 0.6MPa, the pressure is maintained for 5 minutes, and no leakage is allowed. 5.7 The hydraulic cylinder and accumulator undergo a pressure test at the manufacturer. The test pressure is 1.25 times the working pressure, and the pressure must be maintained for 5 minutes without leakage. 5.8 When the coal mill has a turning function, a turning test should be done during assembly in the manufacturer. The connection between the turning device and the grinding plate should be firm and reliable, and the middle frame should be fixed to prevent the middle frame from tipping. During the test, only one grinding roller needs to be turned out. The roller turning device should be flexible, and the grinding roller and the middle frame should not interfere with each other.
JB/T6990—2002
5.9 When using a dynamic and static combined rotary separator (SLS type), the separator transmission part rotation test should be carried out at the manufacturer. The rotation test should be within the speed regulation range of the separator. Carry out at four points of 25%, 50%, 75%, and 100%. At this time, check each rotating part. There should be no interference, lag, or abnormal noise. At the same time, check the oil temperature of the oil pool of the driving device. The test time of each point is based on the temperature. until the temperature rises stably, but the temperature of the drive bearing lubricating oil should not exceed 70°C during no-load test. 5.10 The grinding section and separator are tested manually at the manufacturer and comply with the relevant provisions in 4.10. The hydraulic valve of the waste tank is tested for switching and complies with the provisions of 4.16. At the same time, the limit position of the travel switch is determined. 5.11
The no-load test run of the coal mill shall be carried out on site, and the operation time shall not be less than 2 hours (except for spring-loaded coal mills). 5.12
5.13 When the coal mill is tested without load, the grinding roller should be raised. The following contents should be inspected during no-load test run:
5.14
Check the gap between the relative transmission parts, there should be no interference or abnormal noise; use an instrument to check the oil temperature of the reducer and comply with the provisions of 4.14: - The noise of the coal mill is tested in accordance with the provisions of GB/T37681996. The noise value should comply with the provisions of 4.11: Turn on the sealing fan to check whether the seals at each point are effective: Turn on the variable frequency motor to check the rotation flexibility of the separator and the reliability of the speed adjustment ( When using SLS type separator): Check the sealing of the hydraulic system, and perform a lifting and lowering test before commissioning: Check the sealing of the reducer lubrication system and the reliability of the heater, cooler, and filter. 5.15 The load test run of the deer coal machine is carried out on site. The load test run should check the following contents: Output test:
Coal fineness test:
- Power test:
Grinding disc speed test :
A separator speed test (using SLS type separator). 6 Marking, packaging, transportation and storage
6.1 The coal grinder should fix the product sign at an appropriate and obvious position. The type and size of the sign should comply with the regulations of GB/T13306-1991: the sign should indicate the following: || tt|| - product model and name:
- main technical parameters:
- factory number:
- manufacturer name;
- date of release.
6.2 The packaging of the coal mill should comply with the regulations of JB/T5000.13-1998. 6.3 The storage and transportation icons of each packaging box of the coal mill should comply with the regulations of GB/T191-2000, and its content should include: Receiving unit and address:
Product name and model: ||tt ||The name of the manufacturer and factory number:
The box number, overall dimensions, net weight, gross weight, etc.; together with the lifting operation mark.
6.4 Coal grinding machines should be packed according to the categories of parts and packing lists, and the exposed processing surfaces should be coated with anti-rust materials and wrapped. 6.5 The packaging of the coal mill should be able to meet the requirements for land and water transportation. 6.6 The coal mill should be stored in a place with rain-proof and moisture-proof facilities. 6.7 During long-term storage, care should be taken to avoid corrosion and failure of the coal mill. When the effective anti-rust period of the coating is exceeded, it should be repainted. 5
19 The hardness of the grinding sleeve and grinding disc tile is (730±30) HV. 4.20 Defect repair welding or gas cutting is not allowed during tire assembly: the heating speed, heating temperature and heating uniformity should be strictly controlled during tire assembly to prevent product breakage.
4.21 When a dynamic and static combined rotary separator (SLS type) is used, the rotating blades and their assemblies should be subjected to static balance tests, and the balance quality level should comply with the provisions of G16 in GB/T92391988. 4.22 The complete supply scope of the coal mill should include: the mill body (including the basic part), reducer, electric motor, hydraulic system, lubrication system, sealing fan, electronic control device, slow transmission device, grinding machine ladder and maintenance Install special tools. The specific supply scope shall be stipulated in the ordering contract. 4.23 Drawings and technical documents provided with the machine: General assembly drawing, basic drawing, installation drawing of each component: Product instruction manual:
- Product certificate:
Packing list.
5 Test methods and inspection rules
5.1 Before each coal mill leaves the factory, it must undergo body trial assembly and print assembly marks. 5.2 The assembly of the coal grinder should comply with the relevant regulations of JB/T5000.10-1998. 5.3 The paint and rust prevention of coal grinding machines should comply with the relevant regulations of JB/5000.12-1998. 5.4 The grinding and editing department conducts an air tightness test. The test pressure is 0.2MPa and the pressure is maintained for 30 minutes. The pressure drop should not be greater than 0.1MPa. 5.5 The reducer should be tested with no load in the manufacturer. The operating time should not be less than 8 hours. The noise and oil temperature and shall comply with the provisions of 4.11 and 4.14.
The 5.6 reducer lubrication system undergoes a pressure test at the manufacturer. The test pressure is 0.6MPa, the pressure is maintained for 5 minutes, and no leakage is allowed. 5.7 The hydraulic cylinder and accumulator undergo a pressure test at the manufacturer. The test pressure is 1.25 times the working pressure, and the pressure must be maintained for 5 minutes without leakage. 5.8 When the coal mill has a turning function, a turning test should be done during assembly in the manufacturer. The connection between the turning device and the grinding plate should be firm and reliable, and the middle frame should be fixed to prevent the middle frame from tipping. During the test, only one grinding roller needs to be turned out. The roller turning device should be flexible, and the grinding roller and the middle frame should not interfere with each other.
JB/T6990—2002
5.9 When using a dynamic and static combined rotary separator (SLS type), the separator transmission part rotation test should be carried out at the manufacturer. The rotation test should be within the speed regulation range of the separator. Carry out at four points of 25%, 50%, 75%, and 100%. At this time, check each rotating part. There should be no interference, lag, or abnormal noise. At the same time, check the oil temperature of the oil pool of the driving device. The test time of each point is based on the temperature. until the temperature rises stably, but the temperature of the drive bearing lubricating oil should not exceed 70°C during no-load test. 5.10 The grinding section and separator are tested manually at the manufacturer and comply with the relevant provisions in 4.10. The hydraulic valve of the waste tank is tested for switching and complies with the provisions of 4.16. At the same time, the limit position of the travel switch is determined. 5.11
The no-load test run of the coal mill shall be carried out on site, and the operation time shall not be less than 2 hours (except for spring-loaded coal mills). 5.12
5.13 When the coal mill is tested without load, the grinding roller should be raised. The following contents should be inspected during no-load test run:
5.14
Check the gap between the relative transmission parts, there should be no interference or abnormal noise; use an instrument to check the oil temperature of the reducer and comply with the provisions of 4.14: - The noise of the coal mill is tested in accordance with the provisions of GB/T37681996. The noise value should comply with the provisions of 4.11: Turn on the sealing fan to check whether the seals at each point are effective: Turn on the variable frequency motor to check the rotation flexibility of the separator and the reliability of the speed adjustment ( When using SLS type separator): Check the sealing of the hydraulic system, and perform a lifting and lowering test before commissioning: Check the sealing of the reducer lubrication system and the reliability of the heater, cooler, and filter. 5.15 The load test run of the deer coal machine is carried out on site. The load test run should check the following contents: Output test:
Coal fineness test:
- Power test:
Grinding disc speed test :
A separator speed test (using SLS type separator). 6 Marking, packaging, transportation and storage
6.1 The coal grinder should have a product label fixed at an appropriate and obvious position. The type and size of the label should comply with the regulations of GB/T13306-1991: The label should indicate the following: || tt|| - product model and name:
- main technical parameters:
- factory number:
- manufacturer name;
- date of release.
6.2 The packaging of the coal mill should comply with the regulations of JB/T5000.13-1998. 6.3 The storage and transportation icons on each packaging box of the coal mill should comply with the regulations of GB/T191-2000, and the content should include: Receiving unit and address:
Product name and model: ||tt ||The name of the manufacturer and factory number:
The box number, overall dimensions, net weight, gross weight, etc.; together with the lifting operation mark.
6.4 Coal grinding machines should be packed according to the categories of parts and packing lists, and the exposed processing surfaces should be coated with anti-rust materials and wrapped. 6.5 The packaging of the coal grinder should be able to meet the requirements for land and water transportation. 6.6 The coal mill should be stored in a place with rain-proof and moisture-proof facilities. 6.7 During long-term storage, care should be taken to avoid corrosion and failure of the coal mill. When the effective anti-rust period of the coating is exceeded, it should be repainted. 5
19 The hardness of the grinding sleeve and grinding disc is (730 ± 30) HV. 4.20 The roller is not allowed to be repaired by welding or gas cutting: the heating speed, heating temperature and heating uniformity should be strictly controlled during the assembly of the roller to prevent the product from breaking.
4.21 When a dynamic and static combined rotary separator (SLS type) is used, its rotating blades and their assemblies should be subjected to static balance tests, and the balance quality level should comply with the provisions of G16 in GB/T92391988. 4.22 The complete set supply scope of the coal mill should include: mill body (including the foundation), reducer, motor, hydraulic system, lubrication system, sealed fan, electric control device, slow transmission device, mill body ladder platform and special tools for maintenance and installation. The specific supply scope shall be in accordance with the order contract. 4.23 The drawings and technical documents provided with the machine: - General assembly drawing, foundation drawing, installation drawings of each component: Product instruction manual:
- Product certificate:
Packing list.
5 Test methods and inspection rules
5.1 Each coal mill shall be assembled before leaving the factory and the assembly mark shall be printed. 5.2 The assembly of the coal mill shall comply with the relevant provisions of JB/T5000.10-1998. 5.3 The anti-rust paint of the coal mill shall comply with the relevant provisions of JB/5000.12-1998. 5.4 The air tightness test of the grinding part shall be carried out, the test pressure is 0.2MPa, the pressure shall be maintained for 30min, and the pressure drop shall not be greater than 0.1MPa5.5 The reducer shall be tested at no-load in the manufacturer, and the running time shall not be less than 8h. The noise and oil temperature shall be tested respectively, and shall comply with the provisions of 4.11 and 4.14.
5.6 The lubrication system of the reducer shall be pressure tested in the manufacturer, the test pressure shall be 0.6MPa, the pressure shall be maintained for 5min, and no leakage shall be allowed. 5.7 The hydraulic cylinder and accumulator shall be pressure tested at the manufacturer. The test pressure shall be 1.25 times of the working pressure. The pressure shall be maintained for 5 minutes without leakage. 5.8 When the coal mill has a roll-over function, a roll-over test shall be performed during assembly at the manufacturer. The connection between the roll-over device and the mill roll shall be firm and reliable, and the middle frame shall be fixed to prevent the middle frame from tipping over. During the test, only one roller needs to be turned out. The roll-over device shall be flexible, and the roller and the middle frame shall not be involved.
JB/T6990—2002
5.9 When a dynamic and static combined rotary separator (SLS type) is used, a rotary test of the separator transmission part shall be performed at the manufacturer. The rotary test shall be performed at four points of 25%, 50%, 75%, and 100% of the separator speed regulation range. At this time, check each rotating part. There shall be no interference, lag, or abnormal noise. At the same time, detect the oil temperature of the drive unit oil pool. The test time at each point shall be until the temperature rise is stable. However, the lubricating oil temperature of the drive unit bearing shall not be higher than 70°C during the no-load test. 5.10 The grinding part and separator are tested manually in the factory and meet the relevant provisions in 4.10. The hydraulic valve of the waste tank is tested for opening and closing and meets the provisions in 4.16. At the same time, the limit position of the travel switch is determined. 5.11
The no-load test of the coal mill is carried out on site, and the operation time is not less than 2h (except for the spring-loaded coal mill). 5.12
5.13 When the coal mill is tested for no-load, the grinding roller should be raised. The following contents shall be inspected during the no-load test run:
5.14
Check the clearance between the relative transmission parts, there shall be no interference and abnormal noise; Use the instrument to check the oil temperature of the reducer and meet the requirements of 4.14: - The noise of the coal mill shall be tested in accordance with the provisions of GB/T37681996, and the noise value shall meet the requirements of 4.11: Connect the sealed fan to check whether the seals at each point are effective: Connect the variable frequency motor to check the rotation flexibility of the separator and the reliability of the speed adjustment (when the SLS type separator is used): Check the sealing of the hydraulic system and perform the lifting and lowering test before the test run: Check the sealing of the reducer lubrication system and the reliability of the heater, cooler and filter. 5.15 The load test run of the coal mill is carried out on site, and the following contents shall be inspected during the load test run: Production test:
Coal powder fineness test:
- Power test:
Grinding disc speed test:
- Separator speed test (using the SLS type separator). 6.1 The coal mill shall be equipped with a product label in an appropriate and obvious position. The label type and size shall comply with the provisions of GB/T13306-1991: The label shall indicate the following contents:
-Product model and name:
-Main technical parameters:
-Factory number:
-Manufacturer name; www.bzxz.net
-Date of publication.
6.2 The packaging of the coal mill shall comply with the provisions of JB/T5000.13-1998. 6.3 The storage and transportation graphic label of each package of the coal mill shall comply with the provisions of GB/T191-2000, and its contents shall include: Receiving unit and address:
-Product name and model:
-Manufacturer name and factory number:
-Box number, overall dimensions, net weight, gross weight, etc.; and lifting operation mark.
6.4 The coal mill should be packed according to the types of parts and components and the exposed machined surfaces should be coated with anti-rust materials and wrapped. 6.5 The packing of the coal mill should meet the requirements of land and water transportation. 6.6 The coal mill should be stored in a place with rain and moisture-proof facilities. 6.7 The coal mill should be kept away from rust and failure during long-term storage. The paint should be repainted when the effective anti-rust period of the paint is exceeded. 5
11: Turn on the sealed fan to check whether the seals at each point are effective: Turn on the variable frequency motor to check the separator's rotation flexibility and the reliability of the speed adjustment (when using an SLS separator): Check the sealing of the hydraulic system and perform a lifting test before the test: Check the sealing of the reducer's lubrication system and the reliability of the heater, cooler, and filter. 5.15 The load test of the coal-fired machine is carried out on site. The load test should test the following: Output test:
Coal powder fineness test:
- Power test:
Grinding disc speed test:
- Separator speed test (using an SLS separator). 6.1 The coal mill shall be equipped with a product label in an appropriate and obvious position. The label type and size shall comply with the provisions of GB/T13306-1991: The label shall indicate the following contents:
-Product model and name:
-Main technical parameters:
-Factory number:
-Manufacturer name;
-Date of publication.
6.2 The packaging of the coal mill shall comply with the provisions of JB/T5000.13-1998. 6.3 The storage and transportation graphic label of each package of the coal mill shall comply with the provisions of GB/T191-2000, and its contents shall include: Receiving unit and address:
-Product name and model:
-Manufacturer name and factory number:
-Box number, overall dimensions, net weight, gross weight, etc.; and lifting operation mark.
6.4 The coal mill should be packed according to the types of parts and components and the exposed machined surfaces should be coated with anti-rust materials and wrapped. 6.5 The packing of the coal mill should meet the requirements of land and water transportation. 6.6 The coal mill should be stored in a place with rain and moisture-proof facilities. 6.7 The coal mill should be kept away from rust and failure during long-term storage. The paint should be repainted when the effective anti-rust period of the paint is exceeded. 5
11: Turn on the sealing fan to check whether the seals at each point are effective: Turn on the variable frequency motor to check the separator's rotational flexibility and the reliability of the speed adjustment (when using an SLS type separator): Check the sealing of the hydraulic system, and Conduct a lifting and lowering test before commissioning: check the sealing of the reducer lubrication system and the reliability of the heater, cooler, and filter. 5.15 The load test run of the deer coal machine is carried out on site. The load test run should check the following contents: Output test:
Coal fineness test:
- Power test:
Grinding disc speed test :
A separator speed test (using SLS type separator). 6 Marking, packaging, transportation and storage
6.1 The coal grinder should fix the product sign at an appropriate and obvious position. The type and size of the sign should comply with the regulations of GB/T13306-1991: the sign should indicate the following: || tt|| - product model and name:
- main technical parameters:
- factory number:
- manufacturer name;
- date of release.
6.2 The packaging of the coal mill should comply with the regulations of JB/T5000.13-1998. 6.3 The storage and transportation icons of each packaging box of the coal mill should comply with the regulations of GB/T191-2000, and its content should include: Receiving unit and address:
Product name and model: ||tt ||The name of the manufacturer and factory number:
The box number, overall dimensions, net weight, gross weight, etc.; together with the lifting operation mark.
6.4 Coal grinding machines should be packed according to the categories of parts and packing lists, and the exposed processing surfaces should be coated with anti-rust materials and wrapped. 6.5 The packaging of the coal mill should be able to meet the requirements for land and water transportation. 6.6 The coal mill should be stored in a place with rain-proof and moisture-proof facilities. 6.7 During long-term storage, care should be taken to avoid corrosion and failure of the coal mill. When the effective anti-rust period of the coating is exceeded, it should be repainted. 5
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