Some standard content:
ICS27.020
Machinery Industry Standard of the People's Republic of China
JB/T8122—1999
Diesel Engine Fuel Filters
Test Method
Diescl cngines Fuel filtersTest method1999-09-17 Issued
State Bureau of Machinery Industry
2000-01-01 Implementation
/12219
This standard is a revision of JB/18122-95 "Test Methods for Oil Filters of Diesel Engines". During the revision, some of the test contents were technically changed, and the standard was edited. This standard is used in conjunction with B/T5239-1991 Technical Specifications for Paper Core Oil Filter Assemblies for Diesel Engines, JB/T5240-1991 "Technical Specifications for Paper Core Oil Filters for Diesel Engines" and JB/T5241-1991 "Technical Specifications for Rotary Diesel Oil Filters".
This standard shall be used from the date of implementation. This standard replaces IRT122--95. Appendix A, Appendix 2, Appendix C and Appendix D of this standard are all recommended appendices. This standard is proposed and managed by the National Technical Committee for Standardization of Internal Combustion Engines. The drafting unit of this standard is Shanghai Internal Combustion Engine Research Institute. The author of this standard is Yuan Dexian. This standard was first issued in 1981, revised for the first time in 1989, and the standard number was adjusted to 8122-951 in 1996. Industry Standard of the People's Republic of China Diesel Engine Diesel Filters-Test Method This standard specifies the method and sequence of performance test for deep-drip filter (hereinafter referred to as filter). This standard is applicable to filter with a rated volume flow of less than 200L1. 2 Referenced standards
JB/T8121--1999
8122--9
The provisions contained in the following standards constitute the provisions of the vehicle standard through reference in this approval. At the time of publication of this standard, the actual version is not the same, all versions will be revised, and the parties using this standard should consider the possibility of using the latest version of the following standards JE 5239 diesel engine diesel filter element technical parts JB/5240-1991 diesel engine diesel filter paper filter element technical parts [R.T5241-1941 Technical conditions for rotary filter 3 Terms, symbols and definitions
This standard adopts the following definitions.
Terms, symbols and definitions are shown in Table 1.
Specified volume flow rate
Clearness
Screen filter efficiency
Core plugging chamber life
Bubble test
Approved by the State Bureau of Machinery Industry on September 17, 1999
The filter with a specified volume and flow rate is equipped with a filter of the specified brand. When the specified volume is known, the filter is discharged.
The impurities washed out from the filter surface under the specified test conditions can be reduced to a certain amount. Under the specified test conditions, the test can be done. The test state of the sensitive reducer should be the same as the test point of the test. The test contains specified impurities and the specified volume flow is retained through the filter core. When the pressure difference reaches 07, the result is calculated according to the specified internal pressure of the core. The core is designed for testing. The first string of pressure positions on the core is always released. Implementation
Organic impurities
Inorganic miscellaneous
Test oil
Test fluid
Test items
The test items are as follows:
a) Cleanliness test;
b) Bubble test;
e) Original force test;
d) Sealing test:
|) Original filter efficiency test:
0 core plugging ink cloth test,
5 test material 5. Test results
JET81221999
Table (end)
The black substances in the test oil have similar cleaning properties to those sold on the market
and they meet the requirements of Taiwan. The light aluminum oxide with a relatively high distribution is filtered through a pore source membrane. After adding these substances into the test oil, the test oil is called the oil filtered according to the specified requirements, and its viscosity should be within 4-6mm*s. 5.2 Impurities in the test chamber
5.2.1 Inorganic impurities
When the mass accounts for 50%, the particle size of aluminum powder is 6.9μm±0.5μm, and its calibration distribution curve shall comply with the provisions of Appendix A (Appendix to the standard):
5. 1. 1 Organic impurities
Organic impurities are a substance composed of 1 test agent, 90mL of test oil and 10mL of non-component micro-paint additive; (T155) 10mL. Its preparation method is Appendix B (Appendix to the standard)
Stone test method
In the test equipment of all test items, the inner diameter of the pipes related to the pressure and sedimentation test data should not be oxidized. 6. 1 Cleanliness test
To test the clean surface of the filter, rinse the inorganic impurities of 1 meter under the specified test conditions. 6.1. 1 Test equipment See Figure 1,
JB/T8122
1-Oil tank (small volume m2) Oil: 3-Softer: 4 Pressure oil: - Test station: - Teaching, 7-Fiber: Rougher. 16MP: 8-Non-membrane device: 9-Same pipe: - Release: 11. Flow meter Clearance test equipment Principle
6.1.2 Test secretion temperature is 23±yuan
6. 1. 3 Test procedure
b.1.3. 1. Filter the test oil through a 1.8μ㎡ ×-type microporous filter membrane and then put it into the test chamber. The pressure difference through the filter membrane does not exceed U.USSMPa. The test oil is at least 6. 1.3.2 Install the test filter. 1.3.3 Install the 5m microporous filter membrane in the stainless steel filter membrane filter (8). 6.1.3.4 Circulate it at twice the rated volume of the filter belt. 1.35 Remove the test filter and filter the oil that has passed through the filter membrane. Then remove the filter membrane filter and use a flat head to inject the oil into the filter with a constant weight. 6.1.3.6 For the determination of the amount of inorganic impurities in the test filter, see Appendix C (Standard Appendix) 6.1.4 Test report
The test report shall include the following contents:
a) Filter manufacturer; Www.bzxZ.net
b) Product name and model:
c) Rated volume, L/min;
d) Test oil:
e) Test result, mg:
) Test unit and test personnel:
) Date.
(Test station test
Read the test temperature, filter element surface distance, mm, filter element! Buy a string of bubbles! ! Position 6.2.1 Test device See 32
JBT 8122—1999
1-positive end control air sliding joint (gas must be dry in the kidney: 2-enterprise also connect color (internal choice 1-hmm) 3, slight lubrication: 4-throttling version: 5-thank hot press installation supervision; 6-shaped belt: 7-soft sale inner diameter-mm) 9 reverse special joint: 9 so energy: 10--follow-up: [1-general let the core: [2-natural core turn Meng do Pavilion 2 bubble test device schematic diagram
2.1 test oil temperature 2-5
6.2.3 test light storage
6.2.3.1 use 0.8=m X-type microporous filter membrane 6.2.3.2 Before the tested element (1) is installed on the rotating shaft (9), it should be immersed in the test oil and fully absorbed, and then removed and put into the oil tank (10). 6.2.3.3 Install the tested element on the rotating shaft (9) and put it into the oil tank (10). Set the depth as specified in Figure 2. 2.3.4 Unscrew the cut-off agent (3), adjust the stabilizer (5), and the element should rotate slowly on the rotating shaft to make the tested filter element exit the first gas pool and measure the secretion force.
6. 2. 4 Test conditions The test report should include the following contents: a) filter manufacturer; b) product name and model; d) description of the filter's newness and the time it has been used; e) test humidity, test results; g) test form and test personnel; test date 6.3. The original resistance test acid
geodetic method is required when the rated flow rate of the device is reached. The pressure difference of the test pool through the drive valve is tested. This test should be carried out before the original filtration efficiency and the test of the core increase store coupon Yu. The cleanliness and air standard test should be carried out before the test. 6.3.1 Inspection and installation See Figure 3-
6.3.1 Test regression table is 23 fixed
JB/8121-1999
1-oil tank [minimum maximum 1D1]; 2-
side drying; 3-run Xiang unit (measurable caution: 4-pressure side 1 Xinse (~-0.[6M%) 5- Music plan: 6-want slider out of the pool, load test please; 9 follow the clear let swim back pipe: 9 steal seat table: t0-control room: 11-flow H: 12-with vent hole benefit note: 4-combination inner diameter.
Figure 3 Schematic diagram of the original good knife resistance test device
6.3.3 Test procedure
6.3.3.10.8μm X-type microporous filter membrane runs through the test lung, the pressure difference during filtration should not exceed 0.085MPa6.3.3.2 The test filter material is connected Connect to the test bench, start the test system, fill the filter and pipeline system with oil, but not the air inside. If necessary, turn the filter upside down. 6.3.3.3 Close the control valve (10), use the off-valve (2) to adjust the pressure to the actual use pressure, and record the point of the pressure differential gauge (5). 6.3.3.4 Open the control valve (10), update the reading of the pressure gauge (4) in front of the filter, and reach the actual use pressure. 1. Adjust the flow meter so that the flow meter (11) reaches the specified value. 6.3.3.5 Record the pressure differential gauge (5). Reading, unit: kP, 6.3.4 Test report
The test report should include the following contents;
a Filter manufacturer! ;
Product name and model:
e Rated volume flow plate, Linin:
d) Test:
Test oil quality, it;
Door filter delivery pipe (6 people (8) of the actual internal diameter: g) Test results (H difference p, kPa based on the rated volume flow. Lmin]; 1) Test unit and test supervisor
i Test period, 6.4 Tightness test Check the slide 6.4.1 Test device See Figure 4 JA/T8122-1999 1. Air period: (a switch cap: including a garment, an air pass, a positive force measurement network: a valve: a force gauge: a test sample: a training diagram 4 Tightness test device 6.4.2 Test price for the coal, clean air allowed. 6. 4. 3 Test procedures
a) Drilling gas source switch tight and let off:
b Adjust the regulating valve 5, so that the indicated value reaches the provisions of B/T5239-1991 3.4 or JB/5241-199】5.4:
c) Discharge the filter according to the water wheel, press the timer, and store the time specified in JR/T5239-1991 3.4. 5241-1991 3.4. 6. 4. 4 Test report
The test report includes the following contents:
Filter control station! :
5 Product name and model:
! Indicate the newness or time of the filter; dj test pressure;
e test results:
test unit and test personnel:
g) test period.
6.5 Original filter efficiency test
The filter shall be tested under specified test conditions to determine the percentage of inorganic impurities added during the filter removal test. 6.5. The filter shall be tested after the filter activity test, bubble test, original resistance test and sealing test. 6.5.1 Inorganic impurities shall comply with the provisions of 5.2.1: The inorganic impurities shall be dried at 10·:0°C for a period of not less than 10 minutes. The inorganic impurities produced by the drying shall be placed in the cooling unit and stored in the hospital. ：
6.5.3 Test device see Figure 5 yuan
3B8122-1999
- Bottom shrinkage joint (lower air must move ten energy》): 2 mold mixing control room: 3 control plan: 4-- grab companion ten colors: 5- switch valve: 6 pressure gauge (type 0~0.098M% 7- pumping box: 8 agitator: 9 and shut off: 10- cut test word help: 11- throttling hole: [2- job version company: H plate is H pipe section, light seat light code, no rust is allowed. The inner part of the son is not allowed to be filled with sinus Figure 5 Principle of the original filtration efficiency test device 6.5.4 The test liquid temperature is 23% ± 5
6.5.511 For other equipment and instruments, see Appendix D (Appendix of the standard) 6.5.6 The ratio of the test oil and the inorganic impurity lubricant shall comply with the following provisions: 6.5.6.1 The ratio of the inorganic impurity 0 to the rated volume flow rate of the filter is called the inorganic impurity concentration coefficient K. Calculated according to formula 1: C
In the formula: x
Organic impurity concentration coefficient, from (Lmin)\, K- 6: The optical and mechanical impurities of the test oil are the same as the rated volume flow rate of each filter, Limin, 6.5.6.2 The ratio of the test filter is to add 2.0g of inorganic impurities to the oil. 6.5.7 Test procedure 6.5.7.1 Weigh out the required inorganic impurities according to the calculation in 6.5.6 with an analytical scale. 6.5.7.2 Filter the test oil with a 0.8m ×-type microporous membrane. The difference in the filtration pressure should not exceed 0.085MPa (). 8177-1999
6.5.7.3 Add the filtered test oil to the oil tank so that the flow rate reaches the specified volume flow rate of the filter, and record the diameter of the flushing process of the tank and the outlet pipe (11) at the flow rate. 6.5.7,4 Drain the oil in the tank,
6.5.7.5 Divide the oil required by 6.5.6 into parts, first add most of the oil to the tank, turn on the agitation control (2), make the agitator (=) work, mix the other part of the oil with the inorganic impurities and add it to the tank. The remaining part of the oil will be mixed with the inorganic impurities and added to the tank.
6. 5. 7. 6 Close the valve (5) and continue stirring for about 1 to 3 minutes. At the same time, adjust the pressure control room (3) to make the oil tank run at the pressure value of 6.5.7.3.
6.5.7. Non-starting switch test [9. Let the test liquid pass through the filter once and flow into the suction mixing bottle. Measure its passing time and test liquid volume. 657.8 Use a 1.2 μm ×-type microporous filter membrane to pump all the test oil filtered by the test particle filter to collect its impurities. 65.7.9 Place the collected impurities in a constant weight garbage and record the discharge number and garbage number. 65.7. Determination method of inorganic impurities in test liquid is in Appendix C. 6.5.8 The initial filtration efficiency is calculated according to formula (21): Formula: -- Initial filtration efficiency:
WW×100%
W, -- Impurity content in the test filter before filtration, S: -- Impurity content in the test filter after filtration, 6.5.9 Test report
The test report shall include the following contents:
a) Filter manufacturer:
b) Product name and model;
c) Constant volume flow rate. L/min:
Test oil:
e) Test temperature, camel;
Test results (initial filtration efficiency, %);
h) Test unit and test personnel;
h) Test report.
6.6 Assembly life test
Determine the cumulative time when the filter element difference reaches the value a and the cumulative test liquid passing through the filter element under the specified test conditions. The test sample should be the product that has passed the temperature test, original furnace resistance test, sealing test and original efficiency test. 6.6.1 Test device is shown in Figure 6
6.6.2 Test liquid temperature should be 23±5%
6.6.3 Test impurities
6.6.3.1 Inorganic impurities should comply with the provisions of 5.2.1 and be dried under [10-150°C light environment for at least [h. After drying, place in a dry media container 1 and seal it for standby use:
6.6.3.2 The test is for light fuel and needs to be tested for 0.8 The K-type microporous membrane is then used 4
JH/T8122-1995
1--main oil tank: 2-agitator: 3-driver: 4-spare oil tank: 5-valve: 6-agitator: 7-door (change valve) 8-energy device oil inlet: S-visual muffler: 10-standard muffler outlet connection pipe: 11-net door: 12-oil tank 13-natural send pool: 14-wind book: [5-relative pipe: 16-leave: 17-le difference: 18-net door]: 19-commercial door, 2U-increase research joint (the air in the pipeline must be combined and determined, main oil tank: the most monthly oil sales of the consultation is 50, the diameter is about 38m, the road number is 90 cone attachment, the center mountain 11. The inner production meter, the small rust Figure 6 assembly test bench blocking the race fatal test device whether the original ball Figure 6. 6.4 Test requirements sequence
storage. 6.4.1 Preparation of test solution, the ratio is as follows: Light diesel oil:
Standard filter: 7L!
Inorganic impurities:
See. 6.4.2 Preparation procedure of test solution:
a) After purifying the test oil according to the requirements of 66.3.2, prepare it according to the requirements of 6.04.1. b) Input the purified test oil into the test oil tank (the main oil tank in Figure (6)) or the spare oil tank (4)]: e) Take out 1% of the total test oil from the purified oil, stir the inorganic impurities and the selected substance into the container: d) or prepare the total test liquid and the ratio of 6:4:1, prepare the organic impurity concentrate, and mix it, and then stir it evenly. The agitator on the tester will make the test oil in the test tank enter the selected state: the speed is 25n-3nr:min: Put all the organic impurities concentrate that has been evenly mixed into the test oil tank, and use part of the clean oil [1%] to flush the transfer container. After flushing, pour all of it into the test oil tank and start the timer to record the stirring time. The stirring time should be no less than 10 hours; JB/T8122-1999
h) Take the total inorganic matter in the test liquid according to the ratio and preparation of 6.6.4.1, and mix it with clean flushing oil (10% by weight). After half of the oil is washed out, put it into the test oil tank, flush the mixed inorganic impurities with the remaining oil, and pour all the flushed oil into the test oil tank, start the timer, record the stirring time, and adjust the speed to 350~400r/min. The time should be no less than 30min. 6.6.4.3 The test sample shall only flow out of the main body of the debugging open the valve of the oil tank outlet containing the disinfectant test oil, and pressurize the oil tank. The test lubricant passes through the test filter temporarily: 9) Braking The pressure in the box and the aperture of the selected hole (14) are adjusted to exhaust the air in the system so that the filter under test reaches the specified volume flow rate and keeps the flow rate stable during the test. The allowable fluctuation range is +% of the specified volume flow rate. 6.6.4.4 Open the outlet valve of the oil tank that has been filled with the prepared test fluid, add pressure to the two oil tanks (the pressure regulator is set according to 6.6.4.3), start the timer, and allow the test fluid to pass through the test sample at the new specified volume flow rate. During the test, check the stability of the flow rate. Use the corresponding methods such as load and timing. If the pressure value of the box is not adjusted during the test, keep the flow stable within the specified range. When the pressure difference reaches the specified value, close the oil valve, install the agitator, open the gas mixer, and record the time on the timer. Turn off the power supply, make all the doors and valves complete (.6.4.5 The total amount of the test is calculated according to the formula (3! The first blockage life is: Fa
In the formula: [--the filter blockage life, min; "through the test point quantity: 1.
The filter under test has a certain volume flow rate, Lmin
, the test must be carried out naturally
2 The surface of the wave box is gradually reduced. The stirring is turned on. 3 The liquid in the first test cannot drop to the standard gas. 4 During the external certification process, or the test filter The filter can withstand vibration and high frequency. 6.6.5 Other equipment, see Appendix D, 6.6.6 Test report
The test report shall include the following:
a) Filter belt manufacturer:
h) Product name and model:
c) Determined volume:
d) Test type,
Test result: k difference 4p, kPa time t, min: Test unit and test personnel:
Test period.
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