CN203811339U - Valve leak detection device - Google Patents

Valve leak detection device Download PDF

Info

Publication number
CN203811339U
CN203811339U CN201420179436.7U CN201420179436U CN203811339U CN 203811339 U CN203811339 U CN 203811339U CN 201420179436 U CN201420179436 U CN 201420179436U CN 203811339 U CN203811339 U CN 203811339U
Authority
CN
China
Prior art keywords
valve
leak detection
air outlet
leakage
left chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201420179436.7U
Other languages
Chinese (zh)
Inventor
熊广森
赵双良
刘保军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENN (CHINA) GAS INVESTMENT Co.,Ltd.
Original Assignee
SHIJIAZHUANG ENN GAS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHIJIAZHUANG ENN GAS CO Ltd filed Critical SHIJIAZHUANG ENN GAS CO Ltd
Priority to CN201420179436.7U priority Critical patent/CN203811339U/en
Application granted granted Critical
Publication of CN203811339U publication Critical patent/CN203811339U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a valve leak detection device, and relates to the valve leak point detection technology field. The valve leak detection device comprises a left cavity, a right cavity and a pressure meter. The pressure meter is communicated with the left cavity. A sealing connection structure connected with a valve for leak detection is respectively arranged at the opening ends of the left cavity and the right cavity. The left cavity is equipped with an air inlet pipe. The right cavity is equipped with an air outlet pipe. An air inlet valve is arranged on the air inlet pipe. An air outlet valve is arranged on the air outlet pipe. The opening ends of the left cavity and the right cavity are connected with two ends of the valve for leak detection respectively. The air inlet pipe is communicated with compressed air. When the valve for leak detection is opened and the air outlet valve is closed, if the value on the pressure meter is decreased, that there is leakage in the housing of the valve is proved. When the valve for leak detection is closed and the air outlet valve is opened, if the value on the pressure meter is decreased, that there is inner leakage in the valve is proved, otherwise, there is no leakage. The valve leak detection device has advantages of simple and compact structure, convenient operation and convenient carrying.

Description

Valve leakage detection apparatus
Technical field
The utility model relates to the technical field of measurement and test of valve leak point.
Background technology
Conventionally, pipeline valve at the construction field (site) before installing and using all needs its sealing to detect, accomplish that " zero " leaks, because if in use there is leakage phenomenon, now again change valve just more loaded down with trivial details, keep in repair also more difficultly, conventionally need to spend more human and material resources.The main Types of valve leak is divided into and leaks outside and interior leakage, and generally more difficult discovery of the interior leakage of valve but produces significant impact to the safe operation of valve, easily cause the serious accident of burst, as contaminated in actuating medium, some fire explosion, intoxication accident are all caused by valves leakage.
The detection of valve leakage still lacks effective means, relies on people's sense organ and experience more, and judgement gets up to lack the foundation of science, and error in judgement rate is high.The patent of invention of being declared by Zhangjiagang chemical machinery incorporated company for 2012, application publication number is that CN 102426080 A have announced a kind of valve internal leakage detection tooling, the patent of invention of being declared by Dezhou Golden Elephant non-ferrous metals casting company limited for 2013, Granted publication number discloses a kind of pick-up unit with clamping device for CN 203349997 U, all can be used to detect the leakage situation of valve arrangement, but these two kinds of leak test plants are made more loaded down with trivial details, operation takes up room larger, carrying inconvenience.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of simple and compact for structure, convenient to operation, detect accurate and visual, carry valve leakage detection apparatus easy to carry.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of valve leakage detection apparatus, comprise left chamber, right chamber and tensimeter, described tensimeter is connected with left chamber, described left chamber is equipped with the open end of right chamber the Hermetical connecting structure being connected with valve to be hunted leak, described left chamber is provided with draft tube, right chamber is provided with escape pipe, and described draft tube is provided with gas admittance valve, and escape pipe is provided with air outlet valve.
Preferably, described tensimeter is located in the draft tube between gas admittance valve and left chamber.
Preferably, described Hermetical connecting structure is flange connection, comprises the flange and the retention mechanism that coordinate with valve to be hunted leak that are arranged on left chamber and the open end of right chamber.
Preferably, described retention mechanism is bolt pair.
The beneficial effect that adopts technique scheme to produce is: by being connected with valve to be hunted leak is sealed at both ends of left chamber and right chamber open end, draft tube is connected with pressurized air, in valve, inflate, by observing manometric numerical value change, detect valve and whether have leakage, under the state of closing at valve open to be hunted leak, air outlet valve, tensimeter numerical value declines, and proves that valve housing has leakage; Under the state of opening at valve closing to be hunted leak, air outlet valve, the decline of tensimeter numerical value, proves that valve leaks in existing, otherwise tensimeter numerical value remains unchanged, proof nothing is leaked.The utlity model has simple and compact for structure, convenient to operation, detect accurate and visual, carry advantage easy to carry, handled easily personnel detect the leakproofness of valve at the construction field (site), avoided valve in follow-up use procedure to occur leakage situation, there is the phenomenon that maintain and replace is difficult, delay production, can reduce labor intensity of operating staff, increase work efficiency and construction quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the utility model;
In figure: 1-left chamber, 2-draft tube, 3-gas admittance valve, 4-tensimeter, 5-flange, 6-valve, 7-bolt pair, 8-air outlet valve, 9-escape pipe, the right chamber of 10-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of valve leakage detection apparatus as shown in Figure 1, comprise left chamber 1, right chamber 10 and tensimeter 4, described tensimeter 4 is connected with left chamber 1, described left chamber 1 is equipped with the open end of right chamber 10 Hermetical connecting structure being connected with valve 6 to be hunted leak, described left chamber 1 is provided with draft tube 2, right chamber 10 is provided with escape pipe 9, described draft tube 2 is provided with gas admittance valve 3, escape pipe 9 is provided with air outlet valve 8, described tensimeter 4 is located in the draft tube 2 between gas admittance valve 3 and left chamber 1, described Hermetical connecting structure can be flange connection, comprise the flange 5 and the retention mechanism that coordinate with valve 6 to be hunted leak that are arranged on left chamber 1 and the open end of right chamber 10, described retention mechanism is bolt pair 7, utilize bolt pair 7 that left chamber 1 is fixed together with valve 6 to be hunted leak with right chamber 10.
During concrete enforcement, the flange 5 of left chamber 1 and right chamber 10 open ends is connected to valve to be hunted leak 6 two ends, draft tube 2 is connected with pressurized air, toward the interior inflation of valve 6, until tensimeter 4 pointers, point to while requiring numerical value, close gas admittance valve 3, by observing the numerical value change of tensimeter 4, detect valve 6 and whether have leakage.It is under the state that valve 6 to be hunted leak is opened, air outlet valve 8 cuts out that detection leaks outside, if tensimeter 4 numerical value decline, proves that valve 6 housings have leak source; In detecting, leaking is under the state that valve 6 to be hunted leak is closed, air outlet valve 8 is opened, if tensimeter 4 numerical value decline, prove valve 6 exist in leakage, otherwise tensimeter 4 numerical value remain unchanged and prove without leak source.
When detection leaks outside, also can as valve 6 housings have bubble outward, occur in the peripheral spraying one deck of valve 6 to be hunted leak test fluid, prove that valve 6 housings have leak source, otherwise without leak source; While leaking in detection, in escape pipe 9 mouths of pipe spraying test fluid, the mouth of pipe occurs if any bubble, proves the interior leakage of valve 6, on the contrary the not interior leakage of valve 6.
It is more than a preferred embodiment of the present utility model, tensimeter 4 also can be arranged on left chamber's 1 outer wall, left chamber 1 is different and different according to the import and export syndeton of valve 6 with the syndeton of valve 6 to be hunted leak from right chamber 10, if the import and export of valve 6 are screwed connection mode, left chamber 1 can adopt screw thread pipe fitting joint structure with right chamber 10 and the syndeton of valve 6 to be hunted leak; In addition, left chamber 1 also can other fastening means be fixed with right chamber 10 and the connected mode of valve 6 to be hunted leak, as adopted the U-shaped buckle of strap bolt pin fastening.
In sum, utilize the utility model can detect quickly valve 6 and whether have leakage, along with the convenient transfer of construction site is carried transportation, the utlity model has simple and compact for structure, convenient to operation, detect accurate and visual, carry advantage easy to carry, handled easily personnel detect the leakproofness of valve at the construction field (site) in advance, as find valve leak, can place under repair in time or change, avoided valve in follow-up use procedure to occur leakage situation, there is maintain and replace difficulty, the phenomenon that delays production, reduced labor intensity of operating staff, increase work efficiency and construction quality.

Claims (4)

1. a valve leakage detection apparatus, it is characterized in that: comprise left chamber (1), right chamber (10) and tensimeter (4), described tensimeter (4) is connected with left chamber (1), described left chamber (1) is equipped with the open end of right chamber (10) Hermetical connecting structure being connected with valve to be hunted leak (6), described left chamber (1) is provided with draft tube (2), right chamber (10) is provided with escape pipe (9), described draft tube (2) is provided with gas admittance valve (3), and escape pipe (9) is provided with air outlet valve (8).
2. valve leakage detection apparatus according to claim 1, is characterized in that: described tensimeter (4) is located in the draft tube (2) between gas admittance valve (3) and left chamber (1).
3. valve leakage detection apparatus according to claim 1, it is characterized in that: described Hermetical connecting structure is flange connection, comprise the flange (5) and the retention mechanism that coordinate with valve to be hunted leak (6) that are arranged on left chamber (1) and the open end of right chamber (10).
4. valve leakage detection apparatus according to claim 3, is characterized in that: described retention mechanism is bolt pair (7).
CN201420179436.7U 2014-04-14 2014-04-14 Valve leak detection device Active CN203811339U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420179436.7U CN203811339U (en) 2014-04-14 2014-04-14 Valve leak detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420179436.7U CN203811339U (en) 2014-04-14 2014-04-14 Valve leak detection device

Publications (1)

Publication Number Publication Date
CN203811339U true CN203811339U (en) 2014-09-03

Family

ID=51450075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420179436.7U Active CN203811339U (en) 2014-04-14 2014-04-14 Valve leak detection device

Country Status (1)

Country Link
CN (1) CN203811339U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103940559A (en) * 2014-04-14 2014-07-23 石家庄新奥燃气有限公司 Leak detection device for valve
CN104458163A (en) * 2014-10-28 2015-03-25 安徽大学 Valve leakage detection device and detection method thereof
CN109737316A (en) * 2019-03-18 2019-05-10 新疆大全新能源股份有限公司 A kind of Isolated Shield device and method of valves leakage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103940559A (en) * 2014-04-14 2014-07-23 石家庄新奥燃气有限公司 Leak detection device for valve
CN104458163A (en) * 2014-10-28 2015-03-25 安徽大学 Valve leakage detection device and detection method thereof
CN109737316A (en) * 2019-03-18 2019-05-10 新疆大全新能源股份有限公司 A kind of Isolated Shield device and method of valves leakage

Similar Documents

Publication Publication Date Title
CN103940559A (en) Leak detection device for valve
CN202471374U (en) Multifunctional airtightness detection apparatus
CN203811339U (en) Valve leak detection device
CN204387700U (en) A kind of Natural gas pipeline system with detection alarm mechanism
CN209131914U (en) A kind of air-leakage test gas ductwork apparatus for examination and repair
CN208457435U (en) A kind of follow-on pressure sealing equipment
CN204694421U (en) Valve leak detection proving installation
CN102928182A (en) Leakage test device for mechanical penetration piece of nuclear power plant containment vessel
CN203688152U (en) Novel gas pressure reducer verifying device
CN205806930U (en) Cylinder for liquefied gas comprehensive protection device
CN204314033U (en) Pipe flange compactedness test macro
CN204694429U (en) Valve leak detection test board
CN208605766U (en) A kind of chemical pipeline piecing devices
CN204050762U (en) Fire product hydraulic pressure testing device and explosion testing arrangement
CN208171542U (en) A kind of movable oil pipe leak detector
CN207318005U (en) A kind of floating type pipeline pressure release testing agency
CN205449415U (en) Simple and easy pressure measurement device
CN109580124A (en) A kind of half body clothing leak detector
CN215524973U (en) Steam pipeline pressure detection device
CN204964156U (en) Leak detection device in atmospheric valve
CN204807289U (en) Leak detection device is suppressed at special cooler tube bank scene
CN108692892A (en) A kind of device for detecting airtightness of corrugated tube and detection method
CN202886079U (en) Sealing performance test device of mechanical penetration pieces of safety shell in nuclear power station
CN203981337U (en) There is the gas pressure pump of anti-secondary pollution function
CN215262276U (en) Flowmeter air tightness test device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200722

Address after: 101100 Fourth Floor 5-101, No. 38 Building, No. 1 Jinghai Five Road, Tongzhou District, Beijing

Patentee after: ENN (CHINA) GAS INVESTMENT Co.,Ltd.

Address before: 050035 No. 558 Heping East Road, Hebei, Shijiazhuang

Patentee before: SHIJIAZHUANG ENN GAS Co.,Ltd.

TR01 Transfer of patent right