CN106224631A - 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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- CN106224631A CN106224631A CN201610575736.0A CN201610575736A CN106224631A CN 106224631 A CN106224631 A CN 106224631A CN 201610575736 A CN201610575736 A CN 201610575736A CN 106224631 A CN106224631 A CN 106224631A
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- pressure
- breather valve
- vacuum
- negative
- tank
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of breather valve positive and negative unlatching pressure on-line measuring device, including vacuum pressure cover, vacuum tank, regulation valve, gas flowmeter and vacuum pump or air compressor machine etc..Described vacuum pressure cover can directly cover in outside or the inner side of breather valve to be measured, in order to makes breather valve to be measured be formed respectively under malleation or condition of negative pressure and closes space；Being provided with regulation valve and gas flowmeter between vacuum pressure cover and vacuum tank, the pressure in governor valve control vacuum pressure cover change, leakage rate during pressure opened in gas flowmeter record；Vacuum tank is connected with vacuum pump or air compressor machine, vacuum pump or air compressor machine before the test the pressure in vacuum tank is reached certain vacuum pressure value.The present invention is the performance realizing detecting under online situation tank valves, avoid the dismounting of breather valve and the adjustment to pressure inside the tank, use single vacuum pump or air compressor machine can realize the positive/negative-pressure to breather valve and open the detection of pressure, it is greatly improved efficiency and the safety of detection work, on-line measuring device simple in construction, operational approach is convenient, wide accommodation, detection data stabilization, accurately.
Description
Technical field
The invention belongs to a kind of petrochemical industry vehicle safety adnexa detection equipment, more specifically, filling light fuel pot type
The on-line measuring device of the storage tank breather valve of the products such as vehicle and method.
Background technology
Breather valve is to ensure that a kind of safety device of storage tank eupnea, and it can not only maintain cartridge gas pressure to balance, it is ensured that
Storage tank exempts from destruction when superpressure or vacuum, and can reduce the discharge of medium in tank to greatest extent, reduces environmental pollution.The most
The breather valve detection device of number, is all to be arranged on the Detecting data of special test room by breather valve, is utilized respectively air pressure
The equipment such as contracting machine and vacuum pump provide positive/negative-pressure to make breather valve open respectively, determine the unlatching pressure outwardly and inwardly of breather valve
Power.Also there is mancarried device, although but this device can take scene to, however it is necessary that a breather valve disassembles from oil tank
Or connecting line is had particular/special requirement, therefore, the needs to breather valve on-line checking can not be met.
Safety in production and environmental protection etc., as important safety parts on oil truck, are all played most important by breather valve
Effect, be also the most important ring to inspection to breather valve in the annual test of transport of dangerous goods tank vehicle, for possessing
Measure big breather valve on-line measuring device and method proposes the highest requirement, need to exempt from dismounting, convenient, fast, efficient
Breather valve on-line measuring device and method.
Summary of the invention
In consideration of it, it is an object of the invention to provide a kind of simple and practical on-line measuring device and method.By letter one
Vacuum pump or air compressor machine can realize to breather valve positive/negative-pressure open pressure
Detection, meanwhile, by exempt from load and unload mounting means, the problem difficult, complicated in order to solve on-line measuring device.
For achieving the above object, this invention takes techniques below scheme: a kind of breather valve positive and negative unlatching pressure exists
Line detector, this device includes vacuum pressure cover (1), vacuum tank (2), regulation valve (3), gas flowmeter (4) and vacuum pump
Or air compressor machine (5) etc.；Described vacuum pressure cover (1) can directly cover in outside or the inner side of breather valve to be measured (8), in order to makes to be measured
Breather valve (8) is formed respectively under malleation or condition of negative pressure and closes space；Between described vacuum pressure cover (1) and vacuum tank (2)
It is provided with regulation valve (3) and gas flowmeter (4), regulation valve (3) controls the pressure change in vacuum pressure cover (1), gas
Leakage rate during pressure opened in effusion meter (4) record；Described vacuum tank (2) is connected, by vacuum pump with vacuum pump or air compressor machine (5)
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 detecting under online situation the performance of tank valves, it is to avoid the dismounting of breather valve and the tune to pressure inside the tank
Whole, use single vacuum pump or air compressor machine can realize the positive/negative-pressure to breather valve and open the detection of pressure, be greatly improved
The efficiency of detection work and safety, on-line measuring device simple in construction, operational approach is convenient, wide accommodation, detects number
According to stable, accurate.
(1) by the method that detection is installed in outside in tank body respectively, make breather valve detection device need not simultaneously and have
Vacuum and pressure-generating device, it is only necessary to single vacuum or pressure generator, simple in construction, subject range is extensive；
(2) by the method arranging vacuum pressure cover, side simple to oil truck breather valve on-line checking operation sequence is made
Just, detection data stabilization, accurately, adapt to industrial safety and detect popularization and application on a large scale.
Accompanying drawing explanation
Describe some specific embodiments of the present invention the most by way of example, and not by way of limitation in detail.
Reference identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these
Accompanying drawing is not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the structural representation carrying out detecting work according to one breather valve on-line measuring device of the present invention；
Fig. 2 is that vacuum pressure cover shown in Fig. 1 is arranged on the structural representation carrying out detecting outside tank；
Fig. 3 is that vacuum pressure cover shown in Fig. 1 is arranged on the structural representation carrying out detecting inside tank；
Fig. 4 be shown in Fig. 1 under vacuum, a kind of structural representation of vacuum pressure cover in embodiment one；
Fig. 5 be shown in Fig. 1 under vacuum, a structural representation of vacuum pressure cover in embodiment one.
In figure: 1, vacuum pressure cover；2, vacuum tank；3, regulation valve；4, gas flowmeter；5, vacuum pump or air compressor machine；6、
Pressure gauge；7, breather valve；8, breather valve to be measured；9, sealing device；10, cavity；11, tank body；12, sucker；13, variable
Cavity；14, fixed cavity；15, magnetics.
Detailed description of the invention
Specific embodiment below in conjunction with accompanying drawing describes the present invention in detail.
Embodiment one:
As it is shown in figure 1, be the structural representation of the breather valve on-line measuring device of the present invention, the breather valve of the present invention is positive and negative
Open pressure on-line measuring device, including vacuum pressure cover (1), vacuum tank (2), regulation valve (3), gas flowmeter (4) and very
Empty pump (5) etc.；Described vacuum pressure cover (1) can directly cover in outside or the inner side of breather valve to be measured (8), in order to makes breathing to be measured
Valve (8) is formed respectively under malleation or condition of negative pressure and closes space；Arrange between described vacuum pressure cover (1) and vacuum tank (2)
There are regulation valve (3) and gas flowmeter (4), regulation valve (3) control the pressure change in vacuum pressure cover (1), gas flow
Leakage rate during pressure opened in meter (4) record；Described vacuum tank (2) is connected with vacuum pump (5), by vacuum pump (5) before the test
Pressure in vacuum tank (2) is reached certain vacuum pressure value.
Described vacuum pressure cover (1) includes sealing device (9), cavity (10) and pressure gauge (6) and breather valve (7)
Deng；Described cavity (10) one end open, open side is provided with sealing device (9), and described cavity (10) is connected to pressure and surveys
Amount device (6) and breather valve (7)；Described pressure gauge (6) is for reading the detected value of breather valve, and breather valve (7) is used for
The dismounting of device when having detected.
Described sealing device (9) band is magnetic, in order to seal absorption on steel or cast iron storage tank tank body (11).
Described sealing device (9) is the sucker (12) using the material such as plastics or rubber, and vacuum pressure cover (1) can be made negative
Under the conditions of pressure, cavity (10) is in same sealing space with the breather valve to be measured (8) on storage tank tank body (11), and connects tight
Close.Described cavity includes fixed cavity and variable cavity；Fixed cavity is used for forming detection space, connects and has pressure gauge
And breather valve (7) (6)；Variable cavity has certain elasticity, forms certain vacuum by changing volume, reaches Vacuum Pressure
The effect sealing space is formed between power cover (1) and breather valve to be measured (8).
Described pressure gauge (6) can be U-shaped pressure gauge, pressure vacuum gauge or vacuum pressure sensor.
The detection method of breather valve positive and negative unlatching pressure on-line measuring device, the detecting step of employing vacuum pump is:
1) open storage tank manhole cover or the measured hole of breather valve to be measured (8), make tank inside connect with outside atmosphere；
2) opening vacuum pump (5) makes vacuum tank (2) interior pressure reach-10kpa, closes vacuum pump (5)；
3) detect breather valve to be measured (8) malleation open pressure:
A. vacuum pressure cover (1) is covered in outside the tank of breather valve to be measured (8), filled by the sealing of vacuum pressure cover (1)
Put (9) to be in a sealing space with the breather valve to be measured (8) on tank body (11)；
B. slowly open regulation valve (3), make vacuum pressure cover (1) interior vacuum pressure be gradually increased, when gas flowmeter (4)
When reaching setting, pressure gauge (6) numerical value that record is corresponding is malleation and opens force value；
C. close regulation valve (3), open breather valve (7), take off vacuum pressure cover (1), close breather valve (7).
4) open regulation valve (3), make vacuum tank (2) interior pressure reach-5kpa, close regulation valve (3)；
5) detect breather valve to be measured (8) negative pressure open pressure:
A. vacuum pressure cover (1) is covered in inside the tank of breather valve to be measured (8), by vacuum pressure cover (1) sealing device
(9) it is in a sealing space with the breather valve to be measured (8) on tank body (11)；
B. slowly open regulation valve (3), make vacuum pressure cover (1) interior vacuum pressure be gradually increased, when gas flowmeter (4)
When reaching setting, pressure gauge (6) numerical value that record is corresponding is negative pressure and opens force value；
C. close regulation valve (3), open breather valve (7), take off vacuum pressure cover (1), close breather valve (7).
Embodiment two:
As it is shown in figure 1, be the structural representation of the breather valve on-line measuring device of the present invention, the breather valve of the present invention is positive and negative
Open pressure on-line measuring device, including vacuum pressure cover (1), vacuum tank (2), regulation valve (3), gas flowmeter (4) and sky
Press (5) etc.；Described vacuum pressure cover (1) can directly cover in outside or the inner side of breather valve to be measured (8), in order to makes breathing to be measured
Valve (8) is formed respectively under malleation or condition of negative pressure and closes space；Arrange between described vacuum pressure cover (1) and vacuum tank (2)
There are regulation valve (3) and gas flowmeter (4), regulation valve (3) control the pressure change in vacuum pressure cover (1), gas flow
Leakage rate during pressure opened in meter (4) record；Described 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 certain vacuum pressure value.
Described vacuum pressure cover (1) includes sealing device (9), cavity (10) and pressure gauge (6) and breather valve (7)
Deng；Described cavity (10) one end open, open side is provided with sealing device (9), and described cavity (10) is connected to pressure and surveys
Amount device (6) and breather valve (7)；Described pressure gauge (6) is for reading the detected value of breather valve, and breather valve (7) is used for
The dismounting of device when having detected.
Described sealing device (9) band is magnetic, in order to seal absorption on steel or cast iron storage tank tank body (11).
Described sealing device (9) uses the mode that faying face is glued.
Described pressure gauge (6) can be U-shaped pressure gauge, pressure vacuum gauge or vacuum pressure sensor.
ExhaleInhaling the detection method of valve positive and negative unlatching pressure on-line measuring device, the detecting step of employing air compressor machine is:
1) open storage tank manhole cover or the measured hole of breather valve to be measured (8), make tank inside connect with outside atmosphere；
2) opening air compressor machine (5) makes vacuum tank (2) interior pressure reach 10kpa, closes air compressor machine (5)；
3) detect breather valve to be measured (8) malleation open pressure:
A. vacuum pressure cover (1) is covered in inside the tank of breather valve to be measured (8), filled by the sealing of vacuum pressure cover (1)
Put (9) to be in a sealing space with the breather valve to be measured (8) on tank body (11)；
B. slowly open regulation valve (3), make vacuum pressure cover (1) interior vacuum pressure be gradually increased, when gas flowmeter (4)
When reaching setting, pressure gauge (6) numerical value that record is corresponding is malleation and opens force value；
C. close regulation valve, open breather valve (7), take off vacuum pressure cover (1), close breather valve (7).
4) open regulation valve (3), make vacuum tank (2) interior pressure reach 5kpa, close regulation valve (3)；
5) detect breather valve to be measured (8) negative pressure open pressure:
A. vacuum pressure cover (1) is covered in outside the tank of breather valve to be measured (8), by vacuum pressure cover (1) sealing device
(9) it is in a sealing space with the breather valve to be measured (8) on tank body (11)；
B. slowly open regulation valve (3), make vacuum pressure cover (1) interior vacuum pressure be gradually increased, when gas flowmeter (4)
When reaching setting, pressure gauge (6) numerical value that record is corresponding is negative pressure and opens force value；
C. close regulation valve (3), open breather valve (7), take off vacuum pressure cover (1), close breather valve (7).
Claims (10)
1. a breather valve positive and negative unlatching pressure on-line measuring device, it is characterised in that
This device includes vacuum pressure cover (1), vacuum tank (2), regulation valve (3), gas flowmeter (4) and vacuum pump or air compressor machine
(5)；
Described vacuum pressure cover (1) can directly cover in outside or the inner side of breather valve to be measured (8), in order to makes breather valve to be measured (8)
Formed respectively under malleation or condition of negative pressure and close space；
Regulation valve (3) and gas flowmeter (4) it is provided with, by regulation valve between described vacuum pressure cover (1) and vacuum tank (2)
(3) controlling the pressure change in vacuum pressure cover (1), leakage rate during pressure opened in gas flowmeter (4) record；
Described 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.
Breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 1, it is characterised in that
Described vacuum pressure cover (1) includes sealing device (9), cavity (10) and pressure gauge (6) and breather valve (7)；
Described cavity (10) one end open, open side is provided with sealing device (9), and described cavity (10) is connected to pressure and surveys
Amount device (6) and breather valve (7)；
Described pressure gauge (6) is for reading the detected value of breather valve, and when breather valve (7) is used for having detected, device tears open
Unload.
Breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 2, it is characterised in that
Described sealing device (9) is with magnetics (15), in order to seal absorption on steel or cast iron storage tank tank body (11).
Breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 2, it is characterised in that
Described sealing device (9) is the sucker (12) using the material such as working of plastics or rubber parts, and vacuum pressure cover (1) can be made negative
Under the conditions of pressure, breather valve to be measured (8) is in the sealing space that cavity (10) and storage tank tank body (11) surround, and connects tight
Close.
Breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 4, it is characterised in that
Described cavity (10) includes fixed cavity (14) and variable cavity (13)；
Fixed cavity (14) is used for forming detection space, connects and has pressure gauge (6) and breather valve (7)；
Variable cavity (13) has certain resilience, forms certain vacuum by changing volume, reaches vacuum pressure cover
(1) effect in sealing space and is formed between breather valve to be measured (8).
Breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 2, it is characterised in that
Described pressure gauge (6) can be U-shaped pressure gauge, pressure vacuum gauge or vacuum pressure sensor.
Breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 2, it is characterised in that
The mode that described sealing device (9) uses sealing surface glued connects.
The detection method of breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 1, it is characterised in that
Before on-line checking, first open storage tank manhole cover or the measured hole of breather valve to be measured (8), make tank inside and outside atmosphere
Connection.
The detection method of breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 1, it is characterised in that
The positive and negative unlatching pressure of breather valve to be measured (8), under conditions of using single vacuum pump or air compressor machine, inside and outside tank
Side is detected respectively.
The detection method of breather valve positive and negative unlatching pressure on-line measuring device the most according to claim 1, it is characterised in that
By being covered on breather valve to be measured (8) by the sealing device of vacuum pressure cover (1) (9), make on tank body (11) to be measured exhales
Inhale valve (8) to be 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 true CN106224631A (en) | 2016-12-14 |
| CN106224631B 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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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665225A (en) * | 2017-10-16 | 2019-04-23 | 徐州德胜石油机械有限公司 | A kind of manhole cover open detection device |
| KR101984174B1 (en) * | 2018-03-26 | 2019-05-31 | 경원기계공업(주) | Oil Recovery Apparatus for Air Compressure with Easy Oil Recovery |
| CN109900472A (en) * | 2019-03-07 | 2019-06-18 | 宁波市劳动安全技术服务公司 | A kind of breather valve on-line measuring device |
| CN110207976A (en) * | 2019-07-10 | 2019-09-06 | 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） | A kind of automobile-used breather valve intelligent type comprehensive test device of oil tank |
| CN111122151A (en) * | 2020-02-27 | 2020-05-08 | 深圳市特种设备安全检验研究院 | Breathing valve flow testing device and testing method thereof |
| CN111735588A (en) * | 2020-08-10 | 2020-10-02 | 罗浮阀门集团有限公司 | Delivery test device and method for breather valve |
| CN111780965A (en) * | 2020-08-10 | 2020-10-16 | 罗浮阀门集团有限公司 | Breather valve ventilation test device and method |
| CN113984362A (en) * | 2021-10-29 | 2022-01-28 | 中国石油天然气股份有限公司 | Multifunctional storage tank accessory detection and evaluation experiment table |
| CN116242603A (en) * | 2023-05-11 | 2023-06-09 | 山东泰阳特种设备检测科技有限公司 | Online checking device for breather valve |
| CN117268742A (en) * | 2023-11-21 | 2023-12-22 | 山东业翔检测有限公司 | On-line detection device and detection method for breather valve |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665225A (en) * | 2017-10-16 | 2019-04-23 | 徐州德胜石油机械有限公司 | A kind of manhole cover open detection device |
| KR101984174B1 (en) * | 2018-03-26 | 2019-05-31 | 경원기계공업(주) | Oil Recovery Apparatus for Air Compressure with Easy Oil Recovery |
| CN109900472A (en) * | 2019-03-07 | 2019-06-18 | 宁波市劳动安全技术服务公司 | A kind of breather valve on-line measuring device |
| CN110207976A (en) * | 2019-07-10 | 2019-09-06 | 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） | A kind of automobile-used breather valve intelligent type comprehensive test device of oil tank |
| CN111122151A (en) * | 2020-02-27 | 2020-05-08 | 深圳市特种设备安全检验研究院 | Breathing valve flow testing device and testing method thereof |
| CN111122151B (en) * | 2020-02-27 | 2024-04-30 | 深圳市质量安全检验检测研究院 | Breather valve flow testing device and testing method thereof |
| CN111780965A (en) * | 2020-08-10 | 2020-10-16 | 罗浮阀门集团有限公司 | Breather valve ventilation test device and method |
| 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 |
| CN111735588A (en) * | 2020-08-10 | 2020-10-02 | 罗浮阀门集团有限公司 | Delivery test device and method for breather valve |
| CN113984362A (en) * | 2021-10-29 | 2022-01-28 | 中国石油天然气股份有限公司 | Multifunctional storage tank accessory detection and evaluation experiment table |
| 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 |
| CN116242603A (en) * | 2023-05-11 | 2023-06-09 | 山东泰阳特种设备检测科技有限公司 | Online checking device for breather valve |
| 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 |
| CN117268742A (en) * | 2023-11-21 | 2023-12-22 | 山东业翔检测有限公司 | On-line detection device and detection method 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 |
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