Some standard content:
Classification mother Y99
Registration number 9486-2001
People's Republic of China light industry industry standard
QB/T1700200t
High pressure homogenizing pump
2001-11-15 release
China Light Industry Federation
2002-05-01 implementation
QB/F1700-200l
This standard is a revision of the original standard 1700-1993 pressure homogenizing pump: the original standard content can be set and the content of the original standard can be set and the content of the original standard can be set: the original standard content ... 1. From the implementation of this standard, the original light industry standard QT170-1993 special homogenizer qualification will be issued by the light industry standard of the People's Republic of China
Light Industry Standard of the People's Republic of China
High Pressure Homogenizer Pump
QB/T1700-2001
The new standard 1700-1993
defines the product classification, technical requirements, test methods, inspection rules and marking, packaging: transportation and storage of commercial homogenizers (homogenizers, air distributors, etc.). This standard is applicable to liquid foods with a dynamic viscosity not exceeding 0.2 Pu, beverages, dairy products, pharmaceuticals, chemical concentrates, etc., which are homogenized or sprayed with high pressure (hereinafter referred to as "homogenized images"). 2 Referenced standards
The texts contained in the following standards are the provisions of this standard through reference in this standard. When the standard is published, the version indicated is valid. All standards are revised in full. The following standard should be used when the new version is possible.
GH[91—2000 Packaging Storage and Transportation Pictorial Signs
G9969.11998 Industrial Product Instructions
6T13306—1991 Labels
GB/T14253—1993
Light Industry Machinery Inspection Technical SpecificationsbZxz.net
GR:T 1-4761997
General Rules for the Safety of Food Machinery
GB[6798-1997 Safety of Food Machinery 3 Product Specifications
3.1.1 The number of the homogenizing pump is composed of the following numbers, and the expression method is as follows. GJB
Rated pressure (MPa)
Rated flow rate (m/h)
Competitive pressure homogenizing table (expressed by the letters G, J, and B) 3.1.2 Type 1 pump, rated pressure 20MPa, rated flow rate 0.5m/h, the expression method is: GH0.5-20. 3.2 Basic numbers
3.2.1 The working pressure of the system should be selected in Table 1L- (customized by the user). 3 2 2 The homogenizing quantity should be in Table 2 3.2.3 The capacity transfer efficiency of the average flow record shall comply with the regulations in Table 3. 3.2.4 The unit efficiency of the mass system shall comply with the regulations in Table 4. China Light Industry Federation 20D1-11-15 Approved 2002-05-01 Implementation
G. 03 :0. t
Number of parts, MPa
Total efficiency, 6
Material ratio, kw
Electric efficiency, head
Technical requirements
1.1 Basic requirements
QB/T1700-2001
Rated working pressure
Rated flow
4.1.1 The homogenizing pump shall comply with this standard and the approved sample and large document shall be made according to the specified procedures. 4.1.2 The homogenizing pump shall comply with GBT14253. 4.2...Working performance
4.2.1 The performance of the homogenizing system shall meet the requirements of 3.2. At the rated working speed and rated speed, the flow rate shall not be less than 4.2% of the rated 2
Under rated working pressure and rated speed, the unit efficiency shall not exceed 95.5% of the rated value. Under rated working pressure, the average rate of micro-particles in the homogenized material shall not exceed 3% of the total micro-particles. The average rate shall be less than 90%.
4.3 Operation requirements
Under rated working conditions, the unit shall not exceed 41% under rated working conditions, and the temperature rise of the bearing and elimination function shall not exceed 35% of the ambient temperature. The maximum temperature shall not exceed 4.3.2.
All parts shall not have leakage and other abnormal phenomena. 4.3.3 When operating under 1.25 times the rated working pressure for 10min, the noise level (noise level) shall comply with the provisions of Table 5. ,
The first sound, ()
Note: The homogeneous sound of the high-speed motor shall not be greater than the conduction sound of the high-speed motor. s:5s
4.3.5, the deviation of the pointer of the positive force meter shall be less than 5 times the rated working pressure, 4.4 The design and manufacture of the quality system of the room safety and sanitation
4.4.1 shall comply with the provisions of GB16748. 4.4.2 The homogenizing system shall have a safety protection device with a maximum force of 100% or more: the opening force of the safety balance of the homogenizing pump shall not exceed 1.1 times the rated working force; b) the opening pressure of the explosion-proof device of the homogenizing pump shall be 2.5MPa～5.0MPa2
QF/T F700---2001.
4.4.3 The transmission parts of the homogenizing system shall have safety protection measures. 4.4.4 The homogenizing system shall be equipped with a turn sign.
4.5 Appearance requirements
4.5.1 The welding shall be flat, without any effect, debris or sharp corners. 4.5.2 The rate of filling the seam door membrane bed groove hook, no obvious dislocation, 4.6.3 The surface of the roll should be flat, smooth, shiny, without falling off, rising, hanging, rolling and other defects. 5.1 The instruments and meters used for the test should have valid certification. 5.2 The model of the instrument and meter is required. Pressure gauge F.5 level, flow meter 1.5 level, limit mountain decibel transmitter 2A) point thermometer 11V: power meter 1.5 level, current meter 2 level: 5.3 Our inspection institute 5.3.1. Homogeneity test adopts emulsifier mixture, the proportion of which is N46 lamp injection 0.5%, emulsifier 1.5%, clean water 98% 5.8.2 Other test requirements are required.
5. 4 Determination of the workpiece
Calender the workpiece to the rated pressure, and obtain the pressure and the starting point of the rotation. Record the readings. The result of the measurement is the result of the calculation of 42.2.
5.5 Speed measurement
Can be used for speed verification. The speed meter can measure the rotation of the gear shaft. By calculating the gear ratio, the speed of the shaft can be obtained (r/min) or the shaft speed can be measured directly: 5.6 Motor input power
and the motor input power are the same as the load method (using two power loads): Formula (1) calculates N-(+Wix|||Motor input, kw:
W·power meter number, format;
average power, W
5. 7 Unit efficiency
Functional efficiency is calculated according to formula (2).
Formula +: Unit efficiency, %
P--. Working pressure, MPa
1 Measured output flow, m
3.6--Conversion coefficient, m/s, constant for converting w to mi.kw: A-2 Motor input power, kw
Measured efficiency meets the requirements of 42.3,
58 Volumetric efficiency
QB/T1700--2001
Theoretical output flow is calculated according to formula (3). 5.8.1|| tt||Where:
!H: theoretical flow value, mh;
: column diameter, mI: column travel, I:
f: rail speed, rtinin;
: column number:
Conversion factor:
5.8.2 Customer efficiency formula: 4) Calculation
a×××/×50
Where:
: product efficiency, %:
: measured output statistics, :
P-test flow theoretical diameter, mh.
5.9 The efficiency
is obtained by taking a microscope with a magnification of more than 600 times, and the amount of pull in the same area is counted and calculated according to formula (5). Calculate the average or rate, and take the arithmetic mean of the two samples, and determine whether the result meets the requirements of 4.2.4. 8
In the formula: - average rate, %
8——Number of particles with a diameter greater than 3m:
Number of particles with a diameter greater than 3m:
5.10. The steam outlet meter of the light and dimensional surface is measured. The test results shall comply with the provisions of 4.5.2. 5. For the determination of FI noise, four noise values are measured at 1m and 1.2m away from the four gas systems, and the average value is calculated. Note: During the measurement, the ring tower should not exceed 75dB (A, 5:2. Test of protective device
6.12.1 When the working pressure reaches 1.1 times the rated working pressure, the safety valve should be able to open and the discharge flow chamber should be reduced. The higher the pressure applied, the less the flow
5.12.2 The explosion-proof disk is tested by a separate sample, and its impact force range is 2.5MPa-~5.0MPa5.13 Other methods are used.
6 Test rules
6.1 The sealing product is averaged After the inspection department has passed the inspection, it can be shipped with the certificate and the parts! 6.2 The production order inspection is the initial inspection and group inspection, 6.2.1 The inspection items of the factory inspection are in accordance with the provisions of 4.22, 4.3, 4.42, 4.4.3, 4.4.4, 4.5 of the requirements, 6.2.2 The inspection items of the type inspection are all the requirements of the technical requirements. If there is one of the following conditions, the type inspection should be carried out. a) When the new product is tested and evaluated:
QBT 1/0U2001
5) When the structure, material, and technology have changed, which may affect the product performance: ) When the production is stopped for a long time:
d) When the batch production is stopped, the sample inspection is conducted every two years: e) When the national quality supervision agency makes a request. The prototypes for type inspection shall be removed from the qualified products at will. If there are any unqualified items in the inspection, they shall be re-inspected once. If they still fail to meet the standards, the products shall be deemed unqualified. Marking, packaging, transportation and storage
7.1 Marking
7.1.1 The size of product labels shall comply with the provisions of T130. 7.1? "The product label shall indicate the following. Product number, name:
5) Working capacity (mh), rated force (MPa)
c) Matching motor power (kw:
d) Manufacturer:
) Release date
7.1.3 Packaging instructions
7.1.3.1 The meaning and logo of the packaging box shall be neat, complete, and the contents shall be under the light. The name of the shipping station and the manufacturer shall be taken
b) The name of the charging unit,
c) Product model and name:
Size ()
e) Weight ().
1.1.3.2 The necessary real words shall be marked on the front of the packaging box. 1.2 Packing 7.2.1 The packaging should be in accordance with the requirements of B/T34436 and B/T9969.1. 7.2.2 The packaging box should be equipped with rainproof equipment. Before packaging, the product conditions and special tools should be rust-proof. The packaging box should be properly equipped. 7.2.3 The gas lift town should be accompanied by 5 pages of random accessories. ) Installation list: b: Product qualified instructions (written according to B/T34436) (written according to 3B9969.1): d), accessories; e) Special manual tools: 2.4 Packing 1. The product type specified should be consistent with the type on the product label. 7. 3 Towers should be shipped in full boxes: should not be inverted and bumped. 7.4 Products should be stored in a well-ventilated and dry warehouse: For products that are stored far away from the warehouse, measures such as road protection and rain protection should be taken.
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