Some standard content:
IC521.010
Machinery Industry Standard of the People's Republic of China
JB/T 8103-1999
Disc Separator
Technical Conditions
Specification for disc separator1999-07-12Promulgated
National Bureau of Machinery Industry
2(H0-01-0Implementation
JB/T8103-1999
This standard is a revision of JB/T8103.1-95 Technical Conditions for Disc Separator and JB/T8103.2-98 Inspection and Test Methods for Disc Separator, and the two standards are merged into one standard. During the revision, the original standard was shortened and revised, but the main technical content remained unchanged.
This standard From the implementation month, it will replace JB.T8103.195 and B/T8103.2-95. Appendix A of this standard is the standard's annex. Appendix B and Appendix C of this standard are both proposed annex. This standard is issued and managed by the National Technical Committee for Standardization of Separators. The responsible drafting units of this standard are: Guangzhou Chongyi Machinery Co., Ltd., Nanjing Oasis Machinery Co., Ltd., Shijiazhuang Xinsheng Machinery Co., Ltd., and the main contributors to this standard are: Qiu Weilin, Ju Linbei, Rong Jinzhu, Zhu Shehui, and Hu Zhijian. Fan Guo
Machinery Industry Standard of the People's Republic of China
Disc Separator, Technical Conditions
Specifieation for Separator JB/T 8103-1999
Generation/8101-81002—95
This standard specifies the technical requirements, test methods, inspection and measurement, marking, packaging, transportation, purchase and storage requirements of media separators. This standard applies to the disc separators specified in GB/T7761 (hereinafter referred to as separators): 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through direct reference in this standard. At the time of this standard revision, the versions shown are valid, and all versions will be revised. All parties applying this standard must consider the feasibility of using the latest versions of the following standards. B 150—1998
GB 191—1990
GB/T 699 — 1988 | | tt | | GB/T1173 — 1955 | | tt | | GB/11176 — 1987 | 32801992
GE/T 4237—1992
GD/T 63791986Www.bzxZ.net
GB/T 7781—1987
GB/T 9439 — 1988 | | tt | tt||JB:T 72/7—1994
JB8686—1998
JB/T 9095—1999
Copper pressure penetrator
Packaging, storage and transportation pictorial symbols
Technical conditions for high-quality carbon structural steel
Casting aluminum alloys
Technical conditions for casting copper alloys
Shape and position tolerances and tolerance values
Spheroidal castings
Technical conditions for rust-resistant and acid-resistant steel castings
Technical documents for Taiwan alloy steel
Cold-rolled stainless steel sheets
Hot-rolled stainless steel sheets
The precision of the test method is determined by continuous laboratory tests. The simplicity and scalability of the standard test and method are determined by the separation machine model Compilation method
Gray cast iron properties
Determination of sound power level of separation machinery Engineering method Centrifuge, separator mechanical vibration test method - Engineering forged carbon steel parts
General technical conditions for packaging of electromechanical products
General technical conditions for coating of carbon steel and low alloy steel forgings for positive pressure vessels
Safety requirements for separators
Technical specification for conventional nondestructive testing of nickel welded parts of centrifuges and separators Approved by the State Bureau of Machinery Industry on July 12, 1999 Implementation on January 1, 2000
3 Definitions
This standard adopts the following definitions.
3.1 Determined processing capacity
3BT8103-1999
The volume or volume of suspended solids or turbid particles that the separator can handle under the new working conditions per unit time. 3.2 Rated T. Condition
The operating condition of the separator when it reaches the separation performance requirements specified in the design under the conditions of material state, separation temperature, inlet and outlet under the fixed speed.
3.3 Throughput
The maximum amount of water or material allowed to pass through the separator at the rated speed per unit time. 3.4 Rated speed
The number of revolutions of the separator per minute specified by the design. 4 Technical requirements
4.1 The separator shall comply with the provisions of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.2 The separator shall be able to meet the following environmental conditions: a) The ambient temperature is not higher than 50℃:
b) The temperature of the separation material is not higher than 100℃.
4.3 Performance requirements for separators
4.3. Under normal conditions, the speed of the separator is lower than 97% of the rated speed. 4.3.2 The temperature rise of the gearbox is not higher than 50°C. For lower feed separators, when the temperature of the incoming material is higher than 50°C, the material temperature is increased by 20% of the rated speed.
4.3.3 The processing capacity and separation efficiency of the separator should meet the design rated value requirements. 4.3.4 The inspection of some slag discharge separators should meet the design requirements. 4.3.5 Under normal use, the average working time of the separator without any problems should not be more than 37(h4, 4.4.1 Safety requirements for separators shall comply with the provisions of B66. 4.4.1 The drum shall be dynamically balanced, and the allowable unbalance amount shall be determined by A (Appendix of the standard). The unbalanced total balance shall not be greater than /1000 of the total drum weight.
4.4.3 When the separator is running at rated speed, its vibration intensity shall not be greater than level 7.1 (the measurement point is near the bearing position on the shaft). 4.4.4 The noise level of the separator shall not be greater than 908[A] at rated speed. 4.5 Appearance quality requirements for separators
4.5.1 The pressed surface of the separator shall not contain obvious convex defects, and the surface shall be polished. 4.5.2 The non-rust-prone outer surface of the separator shall be free of corrosion and shall comply with the provisions of JB/T7217. 4.6 Material requirements
4.6.1 The materials used in the sound separator shall comply with the relevant standards and shall have a material inspection certificate. The materials used in the separator used in the food industry shall comply with the provisions of the Food Hygiene Law. 4.6.2 The materials of the main components of the separator shall comply with the following provisions: 2
Door 8103-1999
a) Cast iron parts shall comply with the provisions of GB/T9439 or GB/T134B: b) Non-ferrous metal castings shall comply with the provisions of GA/T1176 or GB/T1173: c) Cast steel parts shall comply with the specifications of GB/T11352 or GB2100: d) Shaft parts shall comply with the provisions of GDF 699 or GBFT30?7: c) Carbon sheets shall comply with the provisions of GB/T3280 or GB/T4237; \ Drum body. The chemical composition and mechanical properties of the materials of the drum cover, non-submersible piston lock and other parts should meet the general requirements; 4.7. The materials of the parts and components of the separator can be replaced with other grades of materials with similar or better performance, which must be approved by the manufacturing department.
4.7. The upper drum body, drum cover, slag discharge case, locking ring and shaft and other important forgings should meet the following requirements: a) Forgings are not allowed to be remelted. For stainless steel, other requirements are allowed; b) The forging and acceptance of forgings should meet the requirements of JB4726 or relevant standards; 4.7.2 The parts must be inspected by non-destructive testing and should meet the requirements of JB/T9095. 4.7.2 The welding parts should meet the following requirements: a) The manufacturing and acceptance of the lifting parts should meet the requirements of (B15); 6) The welding chain must be inspected by non-destructive testing and should meet the requirements of JB/T9095. 4..3 The radial deviation of the bearing on the vertical shaft shall not exceed +5% of the numerical value. 4.7.4 The radial runout of the cone surface of the vertical shaft and the drum shall be not less than grade 6 according to the precision requirement of 7184.5 The combination of the vertical shaft and the drum surface should meet the design requirements. 5 Test method
5.1 Test equipment
5.1.1 Test system
The test equipment of the separator is divided into the factory inspection system and the type inspection system. The inspection system diagram is shown in Appendix B! 5.1.2 Instruments and meters for measuring the disc
The measuring instruments and meters for the performance test of the separator and their accuracy levels shall be as specified in Table 1. All instruments and meters shall be calibrated and qualified by the relevant metrology department and within the specified validity period. 5.2 Test equipment
5.2.1 Safety inspection of the test system
Before the test, the feasibility of the test system shall be inspected. All rotating parts shall be equipped with protective sheets, and the electrical equipment shall be covered with connectors. 5.2.2 Preparation of test documents:
a) Main material certificates;
b) Drum mechanical properties test report;
) Drum and fine nondestructive testing report;
d) Drum dynamic balance report.
Recommended number
Time,
Through capacity
Determine the processing capacity
5.2.3 Separator installation inspection
TA/T$103-1999
Environmental instruments and meters
Vacuum gauge, pressure gauge
Connection meter
Full in
Flow meter
a) The shaft is installed correctly, and the circular runout of the measuring tool with a cone surface is less than .02mm; b) The total number of drum discs meets the design rating. The number of dynamic and stationary parts is not spherical. 5.2.4 Sample preparation
The sample for separation performance test and determination of separation effect of the separator should be prepared according to GB/T 6379: 5.2. 5 Parameter test
Degree level
Separator models have integer measurement results. They are carried out under the condition of machine operation. During type inspection, each parameter is measured 3 times and the average value is calculated.
5.3 Adjustment test
Adjustment test should be carried out before formal delivery and acceptance, mainly to inspect assembly quality 5.3.1
When the separator is running at rated speed, check whether the juice is cut off in the drum, and remove the water from the drum seals. 5.3.7
5.3.3 For the ring valve, push the mechanism and close it 5 times to inspect its action reliability: 9.4 Start test
When the terminal voltage and frequency of the power supply are within the rated value + 1% of the rated value, start the separator with an empty set, and the number of starts shall not be less than the table? The time from starting to reaching the rated speed is measured in the separation test, and the voltage is released during the starting process. SA2
Test internal
Starting number
Effective
Flow efficiency
Output inspection
Starting, stopping, troubleshooting internal number
Type inspection
5.5 Stopping test
JB8103-1995
5.5.1 The separation test is to run at least 5 minutes at the rated speed, cut off the power supply, stop without load, and the number of stops shall not be less than the requirements in Table 2 5.5. 2. Measure the time from the original power off to the final stop of the drum. The stop test of different models is divided into three states. During the test, at least one of the following methods can be selected: a) Cut off the power, brake when the drum speed drops below 1000r/mn, until the drum finally stops rotating; h) Cut off the power: immediately use the brake (such as electromagnetic brake, until the drum finally stops rotating fast stop time c) Re-apply power, do not apply brakes, and directly measure the free stop time when the drum finally stops rotating. 5. 6 Operation test
5. 6.1 Operational Tests
5.6.1.1 When the separator is running at rated speed, conduct water or material test with a volume not less than the specified processing capacity to verify that the inlet or outlet pressure should be controlled within the specified range of rated conditions. There should be no leakage at the seals of the separator. 5.6.1.2 Determine the following parameters when the separator is running under load: a) Set speed:
b) Operating current:
Electric current:
Inlet and outlet pressure:
e) Throughput.
5.1.3 The throughput of the separator is determined by the volumetric method or flowmeter. Each test is The pan time should be no less than 1mn, and the arithmetic average value of the three measurement data should be taken.
5.6.2 Slag discharge performance test
5.6.2.1 For the bad valve slag discharge separator, the flexibility and reliability of the mechanism should be tested, the slag discharge should be smooth, and the slag discharge times should be no less than the requirements in Table 2.
5.6.2.2 During the formal inspection, the maximum working current during the non-inspection should be measured; for the ring valve part of the discharge separator, the volumetric method or weighing method should be used to measure the discharge activity of the selected drink.
5.6.3 Gear oil temperature rise measurement
5.6.3.1 Separator startup component Measure the ambient temperature and material temperature separately. 5.6.3.2 At the end of the separator operation test, use a thermometer to measure the gear oil temperature and calculate the gearbox oil temperature rise. 5.7 Vibration
The vibration of the separator shall be completed in accordance with the regulations of GETt0895. 5. Noise
5.8.1 The noise of the separator shall be determined in accordance with GRTT0894. 5.8.2 During the instantaneous noise test of the separator, the slag discharge pipe system shall be connected to the outside or the pipe port shall be closed to simulate the actual working conditions. 5.9 Separation performance test
5.9.1 When the separator is running under the following conditions, the actual material specified in the design shall be used for testing and the following shall be determined: a) Determine the treatment capacity;
h) Separation effect
5.9.2 The treatment capacity shall be determined by the volumetric method or the drop meter. The measuring time shall be no less than 5 minutes. The average of the data of three measurements shall be taken.
JB/T8103-1999
5.93 The separation effect test of the separator shall be carried out in accordance with the requirements and test methods specified in the relevant standards. 5.10 Determination of mean trouble-free operating time 1. Determination of mean trouble-free operating time When the separator is in normal use, the cumulative working time from the start of operation to the occurrence of a fault that cannot be eliminated without stopping the machine (excluding the replacement time) is stipulated as the trouble-free operating time. The trouble-free working time of no less than 3 machines shall be assessed, and the arithmetic mean shall be taken as the mean trouble-free working time. The assessment method shall be specified by the manufacturer or the manufacturer shall be used. 5.11 Test results Fill in the test result table according to the three-entry form recommended in the appendix (the appendix in the reminder), and all test data shall be saved. 6 Inspection rules The inspection of the separator is divided into factory inspection and type inspection. 6.1 Factory inspection Each separator shall be inspected at the factory. The items for factory inspection are 5.2.1~5.2.3, 5.3, 5.4, 5.5, 5.7 and 5.8. 6.2 Type inspection During the type inspection, the inspection shall be carried out according to the items specified in the standard. Step inspection shall be carried out under any of the following circumstances: a) when a new product is being prototyped; b) when the product structure, materials and process have undergone major changes after batch production, which have affected product performance; d) when the national quality supervision agency proposes to inspect product quality and type control inspection is required. 6.3 The items of delivery inspection and type inspection are shown in Table 3. Table 3 includes: test performance, high-performance, parking test, operation comparison test, vibration test, sound test, separation performance test, packaging, transportation, storage, test force method, factory inspection, 100% inspection, type inspection and certification. The product label should be installed in a conspicuous position, and the label should comply with the provisions of GB.T13306. The content of the label 1. Includes: product model and name; h) main parameters of the product; c) manufacturing date and delivery number; d) manufacturer's name.
1.2 Packaging
.TB/T8103-1999
The packaging of the separator shall comply with the provisions of GB191 and GB13384. 7.2. 1
7.2.1 The product packaging shall be accompanied by the following documents: a) Packing list: b) Production certificate: e) Production instruction manual: d) Installation drawing (when the product manual does not have an installation drawing) Random spare parts and accessories list,
T.3 Transportation
7.3.1 The separator is not allowed to be placed during the transportation process. 7.3.2 Transportation" It must be dropped to avoid entering the machine. 7.4. The relative humidity of separator components is not more than 70%, the temperature range is lower than 4, and there is no corrosive medium. E8103-1999 (standard) The allowable unbalance of the dynamic balance of the parts and components of the separator. The allowable unbalance of the dynamic balance of the parts is determined by the formula 1A1. The unbalance is expressed by the weight diameter, and the calculation is based on the diameter product according to the formula (A1). In the formula:
M-permissible mass product, gm;
Part (or component) mass, k
Part (or component) permissible eccentricity of center of gravity, m, the permissible eccentricity of center of gravity is determined according to formula (A2) or Figure A1 1000x
In the formula, T.--strength, zero, the component is 6.3 level part (or component) rotation speed, rs, oc
energy ice am|| tt||·(42)
JBT8103-1999
Formula (A1) is used to calculate the weight-diameter product of dynamic balancing to be zero. The total allowable weight-diameter product at the center of gravity of the component should be divided into two parts when used in balancing technology production. The allowable weight-diameter product at the two correction planes I and II (see Figure A2) should be calculated respectively. The value is calculated according to formula (A3) and formula (A4):
The allowable weight-diameter product on the intersection half plane 1 is 1/m. : M——allowable gravity-diameter product on the correction plane, -cm; -10, the total allowable gravity-diameter product at the center of gravity of the component, more than, m0, the distance between the center of gravity of the component and the correction plane, cm; -10, the distance between the center of gravity of the component and the correction plane II, m Note: According to the positive plane, the front side should be selected without affecting the strength and working performance of the required parts, and the two surfaces selected as much as possible are matched, and A2
·(A3)
JB/T is used. 8103—E999
Appendix B
(Suggested Appendix)
Separator test equipment system diagram
1 Separator test equipment system see 1B1 and Figure 02. According to
Throttling room
Light family broadcast
Belt pick-up
Figure Guangjianjun disorder system diagram
Raw liquid selection
Sediment qualification
Control specification pick-up
Single source data
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.