CN106224631B - A kind of breather valve on-line measuring device and method - Google Patents
A kind of breather valve on-line measuring device and method Download PDFInfo
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- CN106224631B CN106224631B CN201610575736.0A CN201610575736A CN106224631B CN 106224631 B CN106224631 B CN 106224631B CN 201610575736 A CN201610575736 A CN 201610575736A CN 106224631 B CN106224631 B CN 106224631B
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- pressure
- vacuum
- breather valve
- tank
- positive
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
-
- 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
Abstract
The invention discloses a kind of positive and negative Opening pressure on-line measuring device of breather valve, including vacuum pressure cover, vacuum tank, regulating valve, gas flowmeter and vacuum pump or air compressor machine etc..The vacuum pressure cover can directly cover in the outside or inside of breather valve to be measured, so that breather valve to be measured is made to be respectively formed enclosure space under positive pressure or condition of negative pressure；Regulating valve and gas flow meter is provided between vacuum pressure cover and vacuum tank, by the pressure change in regulating valve control vacuum pressure cover, gas flowmeter records leakage rate during Opening pressure；Vacuum tank is connected with vacuum pump or air compressor machine, and the pressure in vacuum tank is reached certain vacuum pressure value before the test by vacuum pump or air compressor machine.The present invention is to realize the performance that tank valves is detected under online situation, avoid the dismounting of breather valve and the adjustment to pressure inside the tank, detection to the positive/negative-pressure Opening pressure of breather valve can be realized using single vacuum pump or air compressor machine, greatly improve efficiency and the safety of detection work, on-line measuring device is simple in structure, operating method is convenient, wide adaptation range, and detection data is stable, accurate.
Description
Technical field
The invention belongs to a kind of petrochemical industry vehicle safety attachment detection device, more specifically, filling light fuel pot type
The on-line measuring device and method of the storage tank breather valve of the products such as vehicle.
Background technology
Breather valve is a kind of safety device for ensureing storage tank eupnea, it can not only maintain cartridge gas pressure to balance, it is ensured that
Storage tank, from destroying, and can reduce the discharge of medium in tank, reduce environmental pollution to greatest extent in superpressure or vacuum.It is more at present
Several breather valve detection devices is to be mounted on breather valve on the Detecting data of special test room, is utilized respectively air pressure
The equipment such as contracting machine and vacuum pump provide positive/negative-pressure respectively opens breather valve, to determine the unlatching pressure outwardly and inwardly of breather valve
Power.Also there is mancarried device, although this device can take scene to, but breather valve is needed to disassemble from oil tank
Or have particular/special requirement to connecting line, therefore, the needs to breather valve on-line checking can not be met.
Breather valve all plays safety in production and environmental protection etc. most important as an important safety component on oil truck
Effect, to being also a wherein important ring to the inspection of breather valve in the annual test of transport of dangerous goods tank vehicle, for possessing
It measures big breather valve on-line measuring device and method proposes increasingly higher demands, need to exempt from dismounting, convenient, fast, efficient
Breather valve on-line measuring device and method.
Invention content
In consideration of it, the purpose of the present invention is to provide a kind of simple and practical on-line measuring device and methods.Pass through letter one
Vacuum pump or air compressor machine can be realized to breather valve positive/negative-pressure Opening pressure
Detection, meanwhile, mounting means is loaded and unloaded by exempting from, to solve the problems, such as that on-line measuring device is difficult, complicated.
For achieving the above object, this invention takes following technical schemes：A kind of positive and negative Opening pressure of breather valve exists
Line detector, the device include vacuum pressure cover (1), vacuum tank (2), regulating valve (3), gas flowmeter (4) and vacuum pump
Or air compressor machine (5) etc.；The vacuum pressure cover (1) can directly cover in the outside or inside of breather valve to be measured (8), to be measured to make
Breather valve (8) is respectively formed enclosure space under positive pressure or condition of negative pressure；Between the vacuum pressure cover (1) and vacuum tank (2)
Regulating valve (3) and gas flow meter (4) is provided with, by the pressure change in regulating valve (3) control vacuum pressure cover (1), gas
Flowmeter (4) records leakage rate during Opening pressure；The vacuum tank (2) is connected with vacuum pump or air compressor machine (5), by vacuum pump
Or the pressure in vacuum tank (2) is reached certain vacuum pressure value by air compressor machine (5) before the test.
Having the beneficial effect that acquired by the present invention：
Realize the performance that tank valves is detected under online situation, the dismounting for avoiding breather valve and the tune to pressure inside the tank
It is whole, the detection to the positive/negative-pressure Opening pressure of breather valve can be realized using single vacuum pump or air compressor machine, greatly improve
The efficiency of detection work and safety, on-line measuring device is simple in structure, and operating method is convenient, wide adaptation range, testing number
According to stabilization, accurately.
(1) by the method that outside installation detects in tank body respectively, breather valve detection device is made not need to have simultaneously
Vacuum and pressure-generating device, it is only necessary to which single vacuum or pressure generator, simple in structure, accommodation is extensive；
(2) method by setting vacuum pressure cover makes the simple, side to oil truck breather valve on-line checking operation sequence
Just, detection data is stable, accurate, adapts to industry security detection and promotes and applies on a large scale.
Description of the drawings
Some specific embodiments of detailed description of the present invention by way of example rather than limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the structure diagram that work is detected according to a breather valve on-line measuring device of the invention；
Fig. 2 is that vacuum pressure cover shown in Fig. 1 is mounted on the structure diagram being detected on the outside of tank；
Fig. 3 is that vacuum pressure cover shown in Fig. 1 is mounted on the structure diagram being detected on the inside of tank；
Fig. 4 be shown in Fig. 1 under vacuum, a kind of structure diagram of vacuum pressure cover in embodiment one；
Fig. 5 be shown in Fig. 1 under vacuum, a structure diagram of vacuum pressure cover in embodiment one.
In figure：1st, vacuum pressure cover；2nd, vacuum tank；3rd, regulating valve；4th, gas flowmeter；5th, vacuum pump or air compressor machine；6、
Device for pressure measurement；7th, breather valve；8th, breather valve to be measured；9th, sealing device；10th, cavity；11st, tank body；12nd, sucker；13rd, it is variable
Cavity；14th, fixed cavity；15th, magnetic element.
Specific embodiment
Below in conjunction with attached drawing specific embodiment come the present invention will be described in detail.
Embodiment one：
As shown in Figure 1, the structure diagram of the breather valve on-line measuring device for the present invention, breather valve of the invention are positive and negative
Opening pressure on-line measuring device, including vacuum pressure cover (1), vacuum tank (2), regulating valve (3), gas flowmeter (4) and true
Sky pump (5) etc.；The vacuum pressure cover (1) can directly cover in the outside or inside of breather valve to be measured (8), to make breathing to be measured
Valve (8) is respectively formed enclosure space under positive pressure or condition of negative pressure；It is set between the vacuum pressure cover (1) and vacuum tank (2)
There is regulating valve (3) and gas flow meter (4), by the pressure change in regulating valve (3) control vacuum pressure cover (1), gas flow
Count leakage rate during (4) record Opening pressure；The vacuum tank (2) is connected with vacuum pump (5), by vacuum pump (5) before the test
Pressure in vacuum tank (2) is reached into certain vacuum pressure value.
The vacuum pressure cover (1) includes sealing device (9), cavity (10) and device for pressure measurement (6) and breather valve (7)
Deng；Cavity (10) one end open, open side are provided with sealing device (9), and the cavity (10) is connected separately with pressure survey
Measure device (6) and breather valve (7)；For reading the detected value of breather valve, breather valve (7) is used for the device for pressure measurement (6)
The dismounting of device when detection is completed.
Sealing device (9) band is magnetic, to seal absorption on steel or cast iron storage tank tank body (11).
The sealing device (9) is using the sucker (12) of the materials such as plastics or rubber, can make vacuum pressure cover (1) negative
Under the conditions of pressure, the breather valve to be measured (8) on cavity (10) and storage tank tank body (11) connects tight in same sealing space
It is close.The cavity includes fixed cavity and variable cavity；Fixed cavity is used to form detection space, is connected with device for pressure measurement
(6) and breather valve (7)；Variable cavity has certain elasticity, forms certain vacuum degree by changing volume, reaches vacuum pressure
The effect of sealing space is formed between power cover (1) and breather valve to be measured (8).
The device for pressure measurement (6) can be U-shaped pressure gauge, pressure vacuum gauge or vacuum pressure sensor.
The detection method of the positive and negative Opening pressure on-line measuring device of breather valve, use the detecting step of vacuum pump for：
1) the storage tank manhole cover or measured hole of breather valve (8) to be measured are opened, tank inside is made to be connected with outside atmosphere；
2) opening vacuum pump (5) makes vacuum tank (2) interior pressure reach -10kpa, closes vacuum pump (5)；
3) the positive pressure Opening pressure of breather valve (8) to be measured is detected：
A. vacuum pressure cover (1) is covered on the outside of the tank of breather valve to be measured (8), is filled by the sealing of vacuum pressure cover (1)
The breather valve to be measured (8) on (9) and tank body (11) is put in a sealing space；
B. regulating valve (3) is slowly opened, vacuum pressure cover (1) interior vacuum pressure is made gradually to increase, when gas flowmeter (4)
When reaching specified value, it is positive pressure Opening pressure value to record corresponding device for pressure measurement (6) numerical value；
C. regulating valve (3) is closed, opens breather valve (7), removes vacuum pressure cover (1), closes breather valve (7).
4) regulating valve (3) is opened, vacuum tank (2) interior pressure is made to reach -5kpa, closes regulating valve (3)；
5) the negative pressure Opening pressure of breather valve (8) to be measured is detected：
A. vacuum pressure cover (1) is covered on the inside of the tank of breather valve to be measured (8), passes through vacuum pressure cover (1) sealing device
(9) with the breather valve to be measured (8) on tank body (11) in a sealing space；
B. regulating valve (3) is slowly opened, vacuum pressure cover (1) interior vacuum pressure is made gradually to increase, when gas flowmeter (4)
When reaching specified value, it is negative pressure Opening pressure value to record corresponding device for pressure measurement (6) numerical value；
C. regulating valve (3) is closed, opens breather valve (7), removes vacuum pressure cover (1), closes breather valve (7).
Embodiment two：
As shown in Figure 1, the structure diagram of the breather valve on-line measuring device for the present invention, breather valve of the invention are positive and negative
Opening pressure on-line measuring device, including vacuum pressure cover (1), vacuum tank (2), regulating valve (3), gas flowmeter (4) and sky
Press (5) etc.；The vacuum pressure cover (1) can directly cover in the outside or inside of breather valve to be measured (8), to make breathing to be measured
Valve (8) is respectively formed enclosure space under positive pressure or condition of negative pressure；It is set between the vacuum pressure cover (1) and vacuum tank (2)
There is regulating valve (3) and gas flow meter (4), by the pressure change in regulating valve (3) control vacuum pressure cover (1), gas flow
Count leakage rate during (4) record Opening pressure；The vacuum tank (2) is connected with air compressor machine (5), by air compressor machine (5) before the test
Pressure in vacuum tank (2) is reached into certain vacuum pressure value.
The vacuum pressure cover (1) includes sealing device (9), cavity (10) and device for pressure measurement (6) and breather valve (7)
Deng；Cavity (10) one end open, open side are provided with sealing device (9), and the cavity (10) is connected separately with pressure survey
Measure device (6) and breather valve (7)；For reading the detected value of breather valve, breather valve (7) is used for the device for pressure measurement (6)
The dismounting of device when detection is completed.
Sealing device (9) band is magnetic, to seal absorption on steel or cast iron storage tank tank body (11).
The sealing device (9) is in a manner that faying face is glued.
The device for pressure measurement (6) can be U-shaped pressure gauge, pressure vacuum gauge or vacuum pressure sensor.
It exhalesInhale the detection method of the positive and negative Opening pressure on-line measuring device of valve, use the detecting step of air compressor machine for：
1) the storage tank manhole cover or measured hole of breather valve (8) to be measured are opened, tank inside is made to be connected with outside atmosphere；
2) opening air compressor machine (5) makes vacuum tank (2) interior pressure reach 10kpa, closes air compressor machine (5)；
3) the positive pressure Opening pressure of breather valve (8) to be measured is detected：
A. vacuum pressure cover (1) is covered on the inside of the tank of breather valve to be measured (8), is filled by the sealing of vacuum pressure cover (1)
The breather valve to be measured (8) on (9) and tank body (11) is put in a sealing space；
B. regulating valve (3) is slowly opened, vacuum pressure cover (1) interior vacuum pressure is made gradually to increase, when gas flowmeter (4)
When reaching specified value, it is positive pressure Opening pressure value to record corresponding device for pressure measurement (6) numerical value；
C. regulating valve is closed, opens breather valve (7), removes vacuum pressure cover (1), closes breather valve (7).
4) regulating valve (3) is opened, vacuum tank (2) interior pressure is made to reach 5kpa, closes regulating valve (3)；
5) the negative pressure Opening pressure of breather valve (8) to be measured is detected：
A. vacuum pressure cover (1) is covered on the outside of the tank of breather valve to be measured (8), passes through vacuum pressure cover (1) sealing device
(9) with the breather valve to be measured (8) on tank body (11) in a sealing space；
B. regulating valve (3) is slowly opened, vacuum pressure cover (1) interior vacuum pressure is made gradually to increase, when gas flowmeter (4)
When reaching specified value, it is negative pressure Opening pressure value to record corresponding device for pressure measurement (6) numerical value；
C. regulating valve (3) is closed, opens breather valve (7), removes vacuum pressure cover (1), closes breather valve (7).
Claims (10)
1. a kind of positive and negative Opening pressure on-line measuring device of breather valve, which is characterized in that
The device includes vacuum pressure cover (1), vacuum tank (2), regulating valve (3), gas flowmeter (4) and vacuum pump or air compressor machine
(5)；
The vacuum pressure cover (1) can directly cover in the outside or inside of breather valve to be measured (8), to make breather valve to be measured (8)
Enclosure space is respectively formed under positive pressure or condition of negative pressure；
Regulating valve (3) and gas flow meter (4) is provided between the vacuum pressure cover (1) and vacuum tank (2), by regulating valve
(3) pressure change in control vacuum pressure cover (1), gas flowmeter (4) record leakage rate during Opening pressure；
The vacuum tank (2) is connected with vacuum pump or air compressor machine (5), by vacuum pump or air compressor machine (5) before the test by vacuum tank
(2) pressure in reaches certain vacuum pressure value.
2. the positive and negative Opening pressure on-line measuring device of breather valve according to claim 1, which is characterized in that
The vacuum pressure cover (1) includes sealing device (9), cavity (10) and device for pressure measurement (6) and breather valve (7)；
Cavity (10) one end open, open side are provided with sealing device (9), and the cavity (10) is connected separately with pressure survey
Measure device (6) and breather valve (7)；
The device for pressure measurement (6) is for reading the detected value of breather valve, and device tears open when breather valve (7) is completed for detecting
It unloads.
3. the positive and negative Opening pressure on-line measuring device of breather valve according to claim 2, which is characterized in that
The sealing device (9) is with magnetic element (15), to seal absorption on steel or cast iron storage tank tank body (11).
4. the positive and negative Opening pressure on-line measuring device of breather valve according to claim 2, which is characterized in that
The sealing device (9) is the sucker (12) made of plastic article or rubber parts material, and vacuum pressure cover (1) can be made to exist
Under condition of negative pressure, breather valve (8) to be measured connects tight in the sealing space that cavity (10) and storage tank tank body (11) surround
It is close.
5. the positive and negative Opening pressure on-line measuring device of breather valve according to claim 4, which is characterized in that
The cavity (10) includes fixed cavity (14) and variable cavity (13)；
Fixed cavity (14) is used to form detection space, is connected with device for pressure measurement (6) and breather valve (7)；
Variable cavity (13) has certain resilience, forms certain vacuum degree by changing volume, reaches vacuum pressure cover
(1) effect of sealing space is formed between breather valve to be measured (8).
6. the positive and negative Opening pressure on-line measuring device of breather valve according to claim 2, which is characterized in that
The device for pressure measurement (6) is U-shaped pressure gauge, pressure vacuum gauge or vacuum pressure sensor.
7. the positive and negative Opening pressure on-line measuring device of breather valve according to claim 2, which is characterized in that
The sealing device (9) connects in a manner that sealing surface is glued.
8. the detection method of the positive and negative Opening pressure on-line measuring device of breather valve according to claim 1, which is characterized in that
Before on-line checking, the storage tank manhole cover or measured hole of breather valve to be measured (8) are first opened, makes tank inside and outside atmosphere
Connection.
9. the detection method of the positive and negative Opening pressure on-line measuring device of breather valve according to claim 1, which is characterized in that
The positive and negative Opening pressure of breather valve (8) to be measured, under conditions of single vacuum pump or air compressor machine, inside and outside tank
Side is detected respectively.
10. the detection method of the positive and negative Opening pressure on-line measuring device of breather valve according to claim 1, which is characterized in that
By the way that the sealing device (9) of vacuum pressure cover (1) is covered on breather valve to be measured (8), make on tank body (11) to be measured exhales
Valve (8) is inhaled in the sealing space that cavity (10) and storage tank tank body (11) surround.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575736.0A CN106224631B (en) | 2016-07-19 | 2016-07-19 | A kind of breather valve on-line measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575736.0A CN106224631B (en) | 2016-07-19 | 2016-07-19 | A kind of breather valve on-line measuring device and method |
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| Publication Number | Publication Date |
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| CN106224631A CN106224631A (en) | 2016-12-14 |
| CN106224631B true CN106224631B (en) | 2018-06-15 |
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| CN201610575736.0A Active CN106224631B (en) | 2016-07-19 | 2016-07-19 | A kind of breather valve on-line measuring device and method |
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| CN109900472B (en) * | 2019-03-07 | 2021-01-12 | 宁波市劳动安全技术服务公司 | Breather valve on-line measuring device |
| CN110207976B (en) * | 2019-07-10 | 2020-11-20 | 浙江省泵阀产品质量检验中心（永嘉县质量技术监督检测研究院） | Breather valve intelligent comprehensive test device for tank truck |
| CN111780965B (en) * | 2020-08-10 | 2022-07-29 | 罗浮阀门集团有限公司 | Breather valve ventilation test device and method |
| CN111735588B (en) * | 2020-08-10 | 2022-06-21 | 罗浮阀门集团有限公司 | Delivery test device and method for breather valve |
| CN113984362B (en) * | 2021-10-29 | 2024-02-02 | 中国石油天然气股份有限公司 | Multifunctional storage tank accessory detection and evaluation experiment table |
| CN116242603B (en) * | 2023-05-11 | 2023-08-18 | 山东泰阳特种设备检测科技有限公司 | Online checking device for breather valve |
| CN117268742B (en) * | 2023-11-21 | 2024-01-30 | 山东业翔检测有限公司 | On-line detection device and detection method for breather valve |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2188757Y (en) * | 1994-03-24 | 1995-02-01 | 中国人民解放军总后勤部油料研究所 | Pressure testing apparatus |
| KR100808062B1 (en) * | 2007-10-23 | 2008-02-28 | 에스씨에스 주식회사 | Breather Valve Test Bench |
| RU2363934C1 (en) * | 2008-03-18 | 2009-08-10 | Анатолий Анатольевич Андреев | Test bench for adjustment of breathers of reservoirs |
| CN201340343Y (en) * | 2009-01-01 | 2009-11-04 | 常昕 | Portable breather valve detection device |
| CN201662468U (en) * | 2010-04-02 | 2010-12-01 | 中国海洋石油总公司 | Explosion-proof limit breathe test device |
| CN201834445U (en) * | 2010-09-30 | 2011-05-18 | 中国人民解放军后勤工程学院 | Opening pressure detecting device for breather valve of oil storage tank |
| CN104062100A (en) * | 2013-03-19 | 2014-09-24 | 中国石油天然气股份有限公司 | Oil storage tank breathing valve positive and negative pressure generator |
| CN103808501A (en) * | 2014-01-24 | 2014-05-21 | 广州永粤机电工程有限公司 | On-line calibration device for breather valve |
| CN104006917B (en) * | 2014-06-09 | 2016-03-23 | 江苏省特种设备安全监督检验研究院常州分院 | A kind of vacuum pressure valve automatic Verification proving installation |
| CN203949753U (en) * | 2014-06-09 | 2014-11-19 | 江苏省特种设备安全监督检验研究院常州分院 | A kind of vacuum pressure valve automatic Verification proving installation |
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