CN110333066A - A kind of breathing valve checking table - Google Patents
A kind of breathing valve checking table Download PDFInfo
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- CN110333066A CN110333066A CN201910655416.XA CN201910655416A CN110333066A CN 110333066 A CN110333066 A CN 110333066A CN 201910655416 A CN201910655416 A CN 201910655416A CN 110333066 A CN110333066 A CN 110333066A
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- fixedly installed
- air
- table frame
- pump
- inlet pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to breather valve verifying attachment technical fields, in particular to a kind of breathing valve checking table, including table frame, outside air is handled by air-treatment case, the temperature for guaranteeing air is 20 degrees Celsius, relative humidity is 50%, reducing external factor causes testing result inaccurate, by opening air pump, it is pressurized air pump to vacuum tank, observe differential manometer numerical value change, the test of i.e. complete paired pressure, open vacuum pump, so that pressure stabilizing pressure inside the tank is reduced, the pressure value variation in vacuum tank is recorded on differential manometer, complete the detection to leakage rate, by suction pump to injecting water in vacuum tank, and open air pump, vacuum tank is pressurized, observe differential manometer numerical value change, complete simulation superpressure effect.
Description
Technical field
The present invention relates to breather valve verifying attachment technical field, in particular to a kind of breathing valve checking table.
Background technique
In refining and petrochemical processing units, breather valve is that a kind of low-voltage variation for industries such as petroleum, chemical industry, natural gases is set
Standby, breather valve can not only maintain cartridge gas pressure to balance, it is ensured that storage tank, from destroying, and can be reduced in tank and be situated between in superpressure or vacuum
The volatilization and loss of matter, to meet the ventilation requirement of storage tank Big and Small Breath；
According to the regulation of GB50160 national standard < code for fire protection design of petrochemical enterprises >, " the fixed top of first, Class B liquid
Tank, using fire arrester and breather valve ", it is seen that breather valve, fire arrester are the indispensable safety devices of storage tank, therefore to device area
The repair and maintenance of domain internal respiration valve safety equipment and verification be one and regularly work, but now for the equipment of breather valve detection
There is a problem of that air pressure is unstable, causes testing result to there is the phenomenon of inaccuracy, and because of the change of humidity and temperature in air
Change can also affect testing result, and detecting superpressure or when vacuum, can not carry out simulation storage tank when there is medium
There is detection inaccuracy in state.
Summary of the invention
The purpose of the present invention is to provide a kind of breathing valve checking tables, to solve to propose the wet of air in above-mentioned background technique
Degree and temperature are unstable and detect in storage tank without medium and lead to detect inaccurate problem.
To achieve the above object, the invention provides the following technical scheme: including table frame, the side of the lower end of the table frame is solid
Dingan County is equipped with vacuum tank, and the upper end of the vacuum tank is fixedly installed with flange, and terminal screw is equipped with breathing to be checked on the flange
Valve, the lower end of the vacuum tank are fixedly installed with connecting tube, and one end of the connecting tube is fixedly installed with tapping pipe, the sluicing
The inside of pipe is fixedly installed with drain valve, and upper surface one end of the connecting tube is fixedly installed with air inlet pipe, the air inlet pipe
Middle position is fixedly installed with the first valve disc, and the upper end of the air inlet pipe is fixedly installed with air pump, the fixed peace of the air pump
Upper surface side loaded on the table frame, the air inlet of the air pump are fixedly installed with air-treatment case, the air-treatment
The interior lower end side of case is fixedly installed with refrigeration machine, and the inside of the air-treatment case is solid close to the other side of the refrigeration machine
Dingan County is equipped with heating tube, and the inside of the air-treatment case is fixedly installed with humidifier close to the upper end of the heating tube, described
The inner upper end side of air-treatment case is fixedly installed with microprocessor, and the interior side of the air-treatment case is fixedly installed with
Temperature humidity detector, the temperature humidity detector are electrically connected the microprocessor, and the microprocessor is electrically connected institute
State humidifier, the heating tube and the refrigeration machine；
The upper surface of the connecting tube is fixedly installed with water inlet pipe close to the side of the air inlet pipe, and the inside of the water inlet pipe is solid
Dingan County is equipped with the second valve disc, and the upper end of the water inlet pipe is fixedly installed with suction pump, and the suction pump is fixedly installed in the table
The lower surface middle position of frame；
The upper surface of the connecting tube is fixedly installed with exhaust tube, the interposition of the exhaust tube close to the side of the water inlet pipe
It sets and is fixedly installed with third valve disc, the upper end of the exhaust tube is fixedly installed with vacuum pump, and the vacuum pump is fixedly installed in institute
The upper surface of table frame is stated close to the side of the air-treatment case, one end of the connecting tube is fixedly installed with detection pipe, described
The upper end of detection pipe is fixedly installed with differential manometer, and the differential manometer inlays the upper surface side for being installed on the table frame, the table
The upper surface of frame is inlayed close to the side of the differential manometer is equipped with control panel, and the control panel is electrically connected the air
Pump, the vacuum pump and the suction pump, the side of the table frame are fixedly installed with attaching plug, and the attaching plug electrically connects
Connect external alternating current.
Preferably, the upper end of the vacuum tank through the table frame extend to the table frame upper surface and the flange phase
It is fixedly connected.
Preferably, the vacuum tank is spherical structure.
Preferably, first valve disc is needle-like minimum gas regulating valve.
Preferably, the vacuum pump is connection rotary-vane vaccum pump.
Preferably, the table frame is U-shaped structure, and the table frame is run through in one end of the air inlet pipe and the exhaust tube
Upper surface extend to the top of the table frame.
Preferably, the side of the air-treatment case is uniformly provided with venthole.
Technical effect and advantage of the invention:
1, the present invention is by being equipped with vacuum pump, and vacuum pump is connection rotary-vane vaccum pump, increases the stability of vacuum system, the
One valve disc uses needle-like minimum gas regulating valve, and during positive pressure test, the stability of the gas of feeding is relatively good, is conducive to
Data are observed during test, and by pressure mean values when repeatedly measurement takes its unlatching, measurement data is more accurate；
2, the present invention guarantees the stability of tolerance, so that detection data is more accurate, and the present invention passes through by being equipped with vacuum tank
Equipped with air-treatment case, effectively controlling air in temperature is 20 degrees Celsius, and relative humidity 50% reduces external factor pair
The influence of testing result；
3, the present invention by be equipped with water pump, analog in breather valve use process in storage tank containing medium when superpressure and vacuum
Test, it is more accurate to breather valve effect result to be conducive to.
Detailed description of the invention
Fig. 1 is positive view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is partial enlarged view at A of the present invention.
Fig. 4 is top view of the present invention.
Fig. 5 is electrical connection figure of the present invention.
In figure: 1, table frame；2, vacuum tank；3, flange；4, breather valve to be checked；5, connecting tube；6, tapping pipe；7, drain valve；
8, air inlet pipe；9, the first valve disc；10, air pump；11, air-treatment case；12, refrigeration machine；13, heating tube；14, humidifier；15,
Microprocessor；16, temperature humidity detector；17, water inlet pipe；18, the second valve disc；19, suction pump；20, exhaust tube；21, third
Valve disc；22, vacuum pump；23, detection pipe；24, differential manometer；25, control panel；26, attaching plug.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of breathing valve checking table as shown in Figs 1-4, including table frame 1, table frame 1 is U-shaped structure, and
The upper surface that table frame 1 is run through in one end of air inlet pipe 8 and exhaust tube 20 extends to the top of table frame 1, the side of the lower end of table frame 1
It is fixedly installed with vacuum tank 2, vacuum tank 2 is spherical structure, and for guaranteeing the stability of tolerance, table is run through in the upper end of vacuum tank 2
The upper surface that frame 1 extends to table frame 1 is fixedly connected with 3 phase of flange, and the upper end of vacuum tank 2 is fixedly installed with flange 3, on flange 3
Terminal screw is equipped with breather valve 4 to be checked, and the lower end of vacuum tank 2 is fixedly installed with connecting tube 5, and one end of connecting tube 5 is fixedly mounted
There is tapping pipe 6, the inside of tapping pipe 6 is fixedly installed with drain valve 7, for the water in vacuum tank 2 to be discharged, connecting tube 5
Upper surface one end be fixedly installed with air inlet pipe 8, the middle position of air inlet pipe 8 is fixedly installed with the first valve disc 9, the first valve disc 9
For needle-like minimum gas regulating valve, the upper end of air inlet pipe 8 is fixedly installed with air pump 10, and air pump 10 is fixedly installed in table frame 1
Upper surface side, the air inlet of air pump 10 is fixedly installed with air-treatment case 11, for adjusting and handling outside air
Humidity and temperature；
The upper surface of connecting tube 5 is fixedly installed with water inlet pipe 17 close to the side of air inlet pipe 8, and the inside of water inlet pipe 17 is fixedly mounted
There is the second valve disc 18, the upper end of water inlet pipe 17 is fixedly installed with suction pump 19, and suction pump 19 is fixedly installed in the lower surface of table frame 1
Middle position；
The upper surface of connecting tube 5 is fixedly installed with exhaust tube 20 close to the side of water inlet pipe 17, and the middle position of exhaust tube 20 is solid
Dingan County is equipped with third valve disc 21, and the upper end of exhaust tube 20 is fixedly installed with vacuum pump 22, and vacuum pump 22 is connection rotary-vane vaccum pump,
Vacuum pump 22 is fixedly installed in the upper surface of table frame 1 close to the side of air-treatment case 11, and one end of connecting tube 5 is fixedly installed with
Detection pipe 23, the upper end of detection pipe 23 are fixedly installed with differential manometer 24, and differential manometer 24 inlays the upper surface one for being installed on table frame 1
Side, the upper surface of table frame 1 is inlayed close to the side of differential manometer 24 is equipped with control panel 25, and control panel 25 is electrically connected air
Pump 10, vacuum pump 22 and suction pump 19, the side of table frame 1 are fixedly installed with attaching plug 26, and attaching plug 26 is electrically connected outer
Portion's alternating current.
As shown in figure 3, the side of air-treatment case 11 is uniformly provided with venthole, the interior lower end one of air-treatment case 11
Side is fixedly installed with refrigeration machine 12, and the inside of air-treatment case 11 is fixedly installed with heating tube close to the other side of refrigeration machine 12
13, the inside of air-treatment case 11 is fixedly installed with humidifier 14, the inside of air-treatment case 11 close to the upper end of heating tube 13
Upper end side is fixedly installed with microprocessor 15, and the model of microprocessor 14 is preferred are as follows: 6ES7313-6CF03-0AB0, at air
The interior side of reason case 11 is fixedly installed with temperature humidity detector 16, and the model of temperature humidity detector 15 is preferred are as follows:
EN8822B, temperature humidity detector 16 are electrically connected microprocessor 15, and microprocessor 15 is electrically connected humidifier 14, heating tube
13 and refrigeration machine 12.
Working principle of the present invention: when utilizing the present invention, breather valve 4 to be checked being screwed on flange 3, will be electric
Source plug 26 connects alternating current, and before pressure test, to guarantee that the temperature of air is 20 degrees Celsius, relative humidity 50% is reduced outer
Portion's factor causes testing result inaccurate, and the humidity and temperature of air are detected by temperature humidity detector 16, works as air themperature
When too low, microprocessor 15 opens heating tube 13, is heated for air, and when the temperature is excessively high, microprocessor 15 opens refrigeration
Machine 12 cools down for air, and when the humidity of air is too low, microprocessor 15 opens humidifier 14, is humidified for air, when
When air humidity is excessively high, microprocessor 15 opens heating tube 13 and refrigeration machine 12, dehumidifies for air, to guarantee air
Temperature is at 20 degrees Celsius, and humidity is 50%；
Embodiment one: when carrying out superpressure test, drain valve 7, the second valve disc 18 and third valve disc 21 is closed, control panel is passed through
25 open air pumps 10, by the rotation of the first valve disc 9 to micro- open state, so that air pump 10 is by 11 inter-process of air-treatment case
Air afterwards is injected into inside vacuum tank 2, and records pressure value on differential manometer 24, and record is primary per minute, then by first
Valve disc 9 is rotated by 90 ° respectively and 180 degree, repeats above-mentioned experiment, every kind of open state in triplicate, takes its average value, then right
Average value is observed, and sees whether reach standard, that is, completes the test to superpressure；
Embodiment two: when carrying out vacuum test, drain valve 7, the first valve disc 9 and the second valve disc 18 is closed, control panel is passed through
25 open vacuum pump 22, the air in vacuum tank 2 are discharged through vacuum pump 22, so that the pressure in vacuum tank 2 is reduced, in minute-pressure
The variation of the pressure in vacuum tank 2 is recorded on meter 24, record is primary per minute, reads three times, is averaged altogether, observes average value
Whether meet the requirements, that is, completes the detection to leakage rate；
Embodiment three: when carrying out simulation superpressure test, the water inlet of suction pump 19 is connected into external water source, and close drain valve
7, the first valve disc 9 and third valve disc 21 open the second valve disc 18, open suction pump 19 by control panel 25, external water is led to
It crosses suction pump 19 to be injected into inside vacuum tank 2, after injecting suitable quantity of water, suction pump 19 is closed by control panel 25, and close
Second valve disc 18 opens air pump 10 by control panel 25, the first valve disc 9 is rotated to micro- open state, so that air pump
10 are injected into the air after 11 inter-process of air-treatment case inside vacuum tank 2, and record pressure value on differential manometer 24, often
Minute record is primary, is then rotated by 90 ° the first valve disc 9 respectively and 180 degree, the above-mentioned experiment of repetition, every kind of open state repeat
Three times, its average value is taken, then average value is observed, sees whether reach standard, that is, completes the effect to simulation superpressure, when
After completing simulation superpressure effect, by opening drain valve 7, so that the water in vacuum tank 2 is discharged by tapping pipe 6.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of breathing valve checking table, including table frame (1), it is characterised in that: the side of the lower end of the table frame (1) is fixedly mounted
Have vacuum tank (2), the upper end of the vacuum tank (2) is fixedly installed with flange (3), on the flange (3) terminal screw be equipped with to
It examines breather valve (4), the lower end of the vacuum tank (2) is fixedly installed with connecting tube (5), the fixed peace in one end of the connecting tube (5)
Equipped with tapping pipe (6), the inside of the tapping pipe (6) is fixedly installed with drain valve (7), the upper surface one of the connecting tube (5)
End is fixedly installed with air inlet pipe (8), and the middle position of the air inlet pipe (8) is fixedly installed with the first valve disc (9), the air inlet pipe
(8) upper end is fixedly installed with air pump (10), and the air pump (10) is fixedly installed in the upper surface one of the table frame (1)
The air inlet of side, the air pump (10) is fixedly installed with air-treatment case (11), the interior subordinate of the air-treatment case (11)
End side is fixedly installed with refrigeration machine (12), the other side of the inside of the air-treatment case (11) close to the refrigeration machine (12)
It is fixedly installed with heating tube (13), the inside of the air-treatment case (11) is fixedly mounted close to the upper end of the heating tube (13)
Have humidifier (14), the inner upper end side of the air-treatment case (11) is fixedly installed with microprocessor (15), the air
The interior side for the treatment of box (11) is fixedly installed with temperature humidity detector (16), and the temperature humidity detector (16) electrically connects
It connects the microprocessor (15), the microprocessor (15) is electrically connected the humidifier (14), the heating tube (13) and institute
State refrigeration machine (12)；
The upper surface of the connecting tube (5) is fixedly installed with water inlet pipe (17), the water inlet close to the side of the air inlet pipe (8)
The inside of pipe (17) is fixedly installed with the second valve disc (18), and the upper end of the water inlet pipe (17) is fixedly installed with suction pump (19),
The suction pump (19) is fixedly installed in the lower surface middle position of the table frame (1)；
The upper surface of the connecting tube (5) is fixedly installed with exhaust tube (20), the pumping close to the side of the water inlet pipe (17)
The middle position of tracheae (20) is fixedly installed with third valve disc (21), and the upper end of the exhaust tube (20) is fixedly installed with vacuum pump
(22), the vacuum pump (22) is fixedly installed in the upper surface of the table frame (1) close to the side of the air-treatment case (11),
One end of the connecting tube (5) is fixedly installed with detection pipe (23), and the upper end of the detection pipe (23) is fixedly installed with differential manometer
(24), the differential manometer (24) inlays the upper surface side for being installed on the table frame (1), and the upper surface of the table frame (1) is close
The side of the differential manometer (24), which is inlayed, to be equipped with control panel (25), and the control panel (25) is electrically connected the air pump
(10), the side of the vacuum pump (22) and the suction pump (19), the table frame (1) is fixedly installed with attaching plug (26),
The attaching plug (26) is electrically connected external alternating current.
2. a kind of breathing valve checking table according to claim 1, it is characterised in that: the upper end of the vacuum tank (2) is run through
The upper surface that the table frame (1) extends to the table frame (1) is mutually fixedly connected with the flange (3).
3. a kind of breathing valve checking table according to claim 1, it is characterised in that: the vacuum tank (2) is spherical structure.
4. a kind of breathing valve checking table according to claim 1, it is characterised in that: first valve disc (9) is that needle-like is micro-
Measure gas control valve.
5. a kind of breathing valve checking table according to claim 1, it is characterised in that: the vacuum pump (22) is connection rotary vane type
Vacuum pump.
6. a kind of breathing valve checking table according to claim 1, it is characterised in that: the table frame (1) is U-shaped structure, and
The upper surface that the table frame (1) is run through in one end of the air inlet pipe (8) and the exhaust tube (20) extends to the table frame (1)
Top.
7. a kind of breathing valve checking table according to claim 1, it is characterised in that: the side of the air-treatment case (11)
It is uniformly provided with venthole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655416.XA CN110333066B (en) | 2019-07-19 | 2019-07-19 | Breather valve calibration stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655416.XA CN110333066B (en) | 2019-07-19 | 2019-07-19 | Breather valve calibration stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110333066A true CN110333066A (en) | 2019-10-15 |
| CN110333066B CN110333066B (en) | 2020-11-13 |
Family
ID=68145981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910655416.XA Active CN110333066B (en) | 2019-07-19 | 2019-07-19 | Breather valve calibration stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110333066B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739656A (en) * | 2022-03-01 | 2022-07-12 | 江苏复森特种阀门有限公司 | Integrated overflow-preventing fire-retardant breather valve performance test system |
| CN115112366A (en) * | 2022-07-20 | 2022-09-27 | 西南石油大学 | Breathing valve all-condition simulation and high-precision intelligent detection system and method |
| CN115162985A (en) * | 2022-06-15 | 2022-10-11 | 四川大学 | Deep in-situ fidelity coring calibration platform safety monitoring system |
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| US6105557A (en) * | 1998-07-30 | 2000-08-22 | Robert Bosch Gmbh | Method of checking the operability of a tank-venting system |
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| CN202693296U (en) * | 2012-07-25 | 2013-01-23 | 聂世全 | Novel portable oil tank breathing valve calibrator |
| CN206906018U (en) * | 2017-07-18 | 2018-01-19 | 尹强 | A kind of breathing relief valve checking table |
| CN109655257A (en) * | 2019-01-21 | 2019-04-19 | 广东省特种设备检测研究院珠海检测院 | A kind of portable tank vehicle constant pressure tank body breather valve calibration equipment |
| CN208968768U (en) * | 2018-09-20 | 2019-06-11 | 苏州八九昱昊材料科技有限公司 | A kind of breather valve air-tightness tester |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09303218A (en) * | 1996-05-17 | 1997-11-25 | Toyota Motor Corp | Fuel vapor processing device |
| US6105557A (en) * | 1998-07-30 | 2000-08-22 | Robert Bosch Gmbh | Method of checking the operability of a tank-venting system |
| CN2791631Y (en) * | 2005-02-06 | 2006-06-28 | 郭俊杰 | Breathing valve checking table |
| CN202372338U (en) * | 2011-11-25 | 2012-08-08 | 北京航天动力研究所 | Breathing valve calibrating table |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739656A (en) * | 2022-03-01 | 2022-07-12 | 江苏复森特种阀门有限公司 | Integrated overflow-preventing fire-retardant breather valve performance test system |
| CN115162985A (en) * | 2022-06-15 | 2022-10-11 | 四川大学 | Deep in-situ fidelity coring calibration platform safety monitoring system |
| CN115112366A (en) * | 2022-07-20 | 2022-09-27 | 西南石油大学 | Breathing valve all-condition simulation and high-precision intelligent detection system and method |
| CN115112366B (en) * | 2022-07-20 | 2023-08-25 | 西南石油大学 | Full-working-condition simulation and high-precision intelligent detection system and method for breather valve |
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| Publication number | Publication date |
|---|---|
| CN110333066B (en) | 2020-11-13 |
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