CN204043906U - A kind of safety valve on-line testing device - Google Patents
A kind of safety valve on-line testing device Download PDFInfo
- Publication number
- CN204043906U CN204043906U CN201420498241.9U CN201420498241U CN204043906U CN 204043906 U CN204043906 U CN 204043906U CN 201420498241 U CN201420498241 U CN 201420498241U CN 204043906 U CN204043906 U CN 204043906U
- Authority
- CN
- China
- Prior art keywords
- safety valve
- plectane
- gas
- testing device
- line testing
- 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
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of safety valve on-line testing device, relate to safety valve testing technical field, solve the restriction due to safety valve installation and service condition, the dismounting of safety valve, lifting and comparatively difficulty is installed, workload is large, and verification cost is high, the problem that check-verifying period is long.Main technical schemes of the present utility model is: a kind of safety valve on-line testing device, and for verifying the safety valve being arranged on pipeline, it comprises: sealing linker, is salablely connected to pipeline and the gas in described source of the gas is delivered to safety valve; Source of the gas, provides verification required air pressure; Connecting pipe, is communicated with described source of the gas and described sealing linker; Reduction valve, is arranged on described connecting pipe; Tensimeter, is arranged on described connecting pipe.Described sealing linker comprises the first plectane, the second plectane and connecting cylinder; One end of described connecting cylinder is connected with the first plectane, and the other end is connected with the second plectane; Perforate is provided with in the middle of described first plectane.
Description
Technical field
The utility model relates to safety valve testing technical field, particularly relates to a kind of safety valve on-line testing device.
Background technology
Safety valve is in normally off under opening and closing element is subject to External Force Acting, when the pressure medium in equipment or pipeline increases to over setting, exceedes specified value by preventing pressure medium in pipeline or equipment to discharge medium outside system.In Chemical Manufacture, safety valve, because of process environments (temperature, pressure, medium) reason, causes valve opening and sealing property to change, so national regulation safety valve at least verifies once every year.
In Chemical Manufacture in the past, safety valve testing adopts off-line verification, is removed by safety valve exactly, move to special safety valve checkout platform and verify from system, the advantage of this method be security high, defective after can on-call maintenance; But checking table is heavier, movement is inconvenient, because safety valve is installed and the restriction of service condition, dismounting, the lifting of safety valve and install comparatively difficulty, workload is large, and verification cost is high, and check-verifying period is long, and protected equipment or system need be stopped and just can be carried out.
Summary of the invention
In view of this, the utility model embodiment provides a kind of safety valve on-line testing device, and fundamental purpose is the restriction solved due to safety valve installation and service condition, the dismounting of safety valve, lifting and comparatively difficulty is installed, workload is large, and verification cost is high, the problem that check-verifying period is long.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
On the one hand, the utility model embodiment provides a kind of safety valve on-line testing device, and for verifying the safety valve being arranged on pipeline, it comprises:
Sealing linker, the gas in described source of the gas is delivered to safety valve by salable connection and pipeline;
Source of the gas, provides verification required air pressure;
Connecting pipe, is communicated with described source of the gas and described sealing linker;
Reduction valve, is arranged on described connecting pipe;
Tensimeter, is arranged on described connecting pipe.
Safety valve on-line testing device as above, further, sealing linker comprises the first plectane, the second plectane and connecting cylinder; One end of described connecting cylinder is connected with the first plectane, and the other end is connected with the second plectane; Perforate is provided with in the middle of described first plectane.
Safety valve on-line testing device as above, further, described sealing linker is communicated to described connecting pipe by flange
Safety valve on-line testing device as above, further, described source of the gas is nitrogen cylinder.
Safety valve on-line testing device as above, further, also comprises atmospheric valve, is arranged on described connecting pipe.
Compared with prior art, the beneficial effects of the utility model are:
The utility model safety valve on-line testing device is light and handy, and be convenient to mobile, need not dismantle safety valve during verification, verification cost is low, the cycle is short, and the pressure adjusting after the safety valve setting after verification and sealing property access guarantee, extend the serviceable life of safety valve.
The present invention's practice in complete works of New Energy Corporation in the past parking maintenance, specifically the plan of company's parking maintenance is 7 days, full factory safety valve hundreds, wherein comparatively large be difficult to remove have 31, namely tell on as follows: 1, if these 31 safety valve are according to off-line verification in the past, need a large amount of artificial dismounting and transport namely: 5 people/sky, need 4 day time altogether, 20 works altogether, 25 tons of crane liftings and 3 tons of buggies are also needed to transport, each needs 2 days, 25 tons of cranes are according to the market price 2000 yuan/day, 3 tons of buggies 800 yuan/day, amount to: 5600 yuan.2, these 31 safety valve adopt on-line testings to need artificial 5 people/skies, need 2 days altogether, altogether 10 works, comprehensive 1,2 gained adopt off-lines verification can: save artificial 10, cost saving 5600 yuan, save 2 days repair times.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
A kind of safety valve on-line testing device schematic diagram that Fig. 1 provides for the utility model embodiment;
The one sealing linker schematic diagram that Fig. 2 provides for the utility model embodiment;
The one sealing linker scheme of installation that Fig. 3 provides for the utility model embodiment.
In accompanying drawing, the list of parts representated by each label is as follows:
1, linker is sealed, the 11, first plectane, 12, connecting cylinder, the 13, second plectane, 14, perforate, 2, source of the gas, 3, reduction valve, 4, connecting pipe, 5, tensimeter, 6, atmospheric valve, 7, safety valve, 8, butterfly valve, 9, ball valve, 10, pipeline, 100, flange.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, but not as to restriction of the present utility model.
The utility model embodiment needs the problem solved to be because safety valve is installed and the restriction of service condition, dismounting, the lifting of safety valve and install comparatively difficulty, and workload is large, and verification cost is high, and check-verifying period is long.
As shown in Figure 1, be the safety valve on-line testing device of a kind of embodiment of the utility model, for verifying the safety valve 7 being arranged on pipeline 10, it comprises:
Sealing linker 1, the gas in described source of the gas is delivered to safety valve by salable connection and pipeline; Source of the gas 2, provides verification required air pressure; Connecting pipe 4, is communicated with described source of the gas 2 and described sealing linker 1; Reduction valve 3, is arranged on described connecting pipe 4; Tensimeter 5, is arranged on described connecting pipe 4.
In pipeline 10 as shown in Figure 1, the pipeline of safety valve 7 side is provided with butterfly valve 8, the pipeline of safety valve 7 opposite side is provided with ball valve 9.In addition, safety valve blow-out disc clamper be arranged between ball valve and safety valve pipeline by flange on (not shown).
The checking procedure of safety valve is as follows:
Step 1, the framing scaffold of first Build Security valve blow-out disc clamper dismounting and lifting device, prepare verification source of the gas (as nitrogen cylinder), a set of sealing linker;
Step 2, fixing safety valve, according to the valve of field condition closed safe valve both sides, removes blow-out disc clamper;
Step 3, is installed to sealing linker 1 in pipeline 10, namely originally installs the position of blow-out disc clamper; Open safety valve afterbody valve, opening pressure table valve and reduction valve, implement the operation of safety valve on-line testing.Utilize extraneous source of the gas to slowly punching press in sealing linker, slowly rise to safety valve to open, record the actual set-pressure that now opening pressure is safety valve, the technique set-pressure of adjustment safety valve is required again according to site technique, and then pressurize is carried out to safety valve cavity internal pressure, observe tensimeter and have no change, check its sealing property, repeatedly carry out the correction of three set-pressures and sealing load.
The beneficial effects of the utility model are: the utility model safety valve on-line testing device is light and handy, be convenient to mobile, safety valve need not be dismantled during verification, verification cost is low, the cycle is short, pressure adjusting after safety valve setting after verification and sealing property access guarantee, extend the serviceable life of safety valve.The present invention's practice in complete works of New Energy Corporation in the past parking maintenance, specifically the plan of company's parking maintenance is 7 days, full factory safety valve hundreds, wherein comparatively large be difficult to remove have 31, namely tell on as follows: 1, if these 31 safety valve are according to off-line verification in the past, need a large amount of artificial dismounting and transport namely: 5 people/sky, need 4 day time altogether, 20 works altogether, 25 tons of crane liftings and 3 tons of buggies are also needed to transport, each needs 2 days, 25 tons of cranes are according to the market price 2000 yuan/day, 3 tons of buggies 800 yuan/day, amount to: 5600 yuan.2, these 31 safety valve adopt on-line testings to need artificial 5 people/skies, need 2 days altogether, altogether 10 works, comprehensive 1,2 gained adopt off-lines verification can: save artificial 10, cost saving 5600 yuan, save 2 days repair times.
As shown in Figure 2, sealing linker comprises the first plectane 11, second plectane 13 and connecting cylinder 12 to a kind of sealing linker 1 of embodiment; One end of described connecting cylinder is connected with the first plectane, and the other end is connected with the second plectane; Perforate 14 is provided with in the middle of described first plectane.
As shown in Figure 3, when installing and using, by the flange hole of perforate 14 alignment flange 100 in the middle of the first plectane, by the bolt be screwed on flange 100, sealing linker 1 is connected to pipeline 10, sealing means realizes by O-ring seal or fluid sealant.
Above embodiment can be the safety valve of DN100, and connecting cylinder 12, second plectane 13, the perforate 14 of sealing linker can according to the relief valve design sizes of reality verification, the alternative blow-out disc clamper be applicable to size.
The effect of source of the gas is for the verification of safety valve provides pressure, can have multiple implementation, and as air compressor can be adopted to provide pressure, in a kind of preferred embodiment, described source of the gas is nitrogen cylinder.Nitrogen cylinder is adopted to make safety valve on-line testing device entirety lighter, mobile convenient.
After safety valve testing, need the gas in emptying safety valve on-line testing device, passive emptying when the safety valve on-line testing device of above-described embodiment leaks air in unloading process, poor controllability.The safety valve on-line testing device of above-described embodiment is improved further, increases atmospheric valve 6, be arranged on described connecting pipe.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can in essence of the present utility model and protection domain, and make various amendment or equivalent replacement to the utility model, this amendment or equivalent replacement also should be considered as dropping in protection domain of the present utility model.
Claims (5)
1. a safety valve on-line testing device, for verifying the safety valve being arranged on pipeline, is characterized in that, comprise:
Sealing linker, is salablely connected to pipeline and the gas in described source of the gas is delivered to safety valve;
Source of the gas, provides verification required air pressure;
Connecting pipe, is communicated with described source of the gas and described sealing linker;
Reduction valve, is arranged on described connecting pipe;
Tensimeter, is arranged on described connecting pipe.
2. safety valve on-line testing device according to claim 1, is characterized in that, sealing linker comprises the first plectane, the second plectane and connecting cylinder; One end of described connecting cylinder is connected with the first plectane, and the other end is connected with the second plectane; Perforate is provided with in the middle of described first plectane.
3. safety valve on-line testing device according to claim 1, is characterized in that, described sealing linker is communicated to described connecting pipe by flange.
4. safety valve on-line testing device according to claim 1, is characterized in that, described source of the gas is nitrogen cylinder.
5. safety valve on-line testing device according to claim 1, is characterized in that, also comprise atmospheric valve, be arranged on described connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498241.9U CN204043906U (en) | 2014-08-29 | 2014-08-29 | A kind of safety valve on-line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498241.9U CN204043906U (en) | 2014-08-29 | 2014-08-29 | A kind of safety valve on-line testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204043906U true CN204043906U (en) | 2014-12-24 |
Family
ID=52244558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420498241.9U Active CN204043906U (en) | 2014-08-29 | 2014-08-29 | A kind of safety valve on-line testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204043906U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092561A (en) * | 2016-08-29 | 2016-11-09 | 湖北三江航天红峰控制有限公司 | A kind of multifunctional safety valve calibration equipment |
| CN109855858A (en) * | 2019-01-22 | 2019-06-07 | 朱治鸣 | The offline calibration equipment in safety valve scene and method of calibration |
| CN118150082A (en) * | 2024-05-11 | 2024-06-07 | 中海油江苏天然气有限责任公司 | Online calibration device for vacuum valve of liquefied natural gas storage tank |
-
2014
- 2014-08-29 CN CN201420498241.9U patent/CN204043906U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092561A (en) * | 2016-08-29 | 2016-11-09 | 湖北三江航天红峰控制有限公司 | A kind of multifunctional safety valve calibration equipment |
| CN109855858A (en) * | 2019-01-22 | 2019-06-07 | 朱治鸣 | The offline calibration equipment in safety valve scene and method of calibration |
| CN109855858B (en) * | 2019-01-22 | 2024-01-30 | 朱治鸣 | Safety valve on-site off-line verification device and verification method |
| CN118150082A (en) * | 2024-05-11 | 2024-06-07 | 中海油江苏天然气有限责任公司 | Online calibration device for vacuum valve of liquefied natural gas storage tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204043906U (en) | A kind of safety valve on-line testing device | |
| CN110848577B (en) | Automatic safety detection device for oil and gas pipeline transportation of Internet of things and use method thereof | |
| CN104792481A (en) | Device and method for detecting leakproofness of oil gas recycling systems of oil tank trucks | |
| CN104949831A (en) | Online checking device and methods for pilot valve and main valve of pilot operated safety valve | |
| CN107588280B (en) | Natural gas line expansive cylinder stopping transportation pressure method for blocking | |
| CN201083309Y (en) | Plugging device for exchanging valve | |
| KR20150066250A (en) | Digital Full automatic valve cross-over and controlling system for apparatus of supplying the high pressure gas for industry | |
| CN205371732U (en) | A relief valve for low pressure gas piping | |
| CN105486468A (en) | Digital integrated test technology of high-pressure gas source system | |
| CN105448358A (en) | High-temperature test method and device for beyond design basis pressure relieve valve in nuclear power plant | |
| CN202360994U (en) | Flange type pressure plugging device | |
| CN108204524A (en) | Fuel gas pipeline and its method for maintaining | |
| CN209394615U (en) | Band gas is changed the shuttle valve tooling | |
| CN203948070U (en) | A kind of high-pressure natural gas well head remote measuring and controlling safety shut-off valve device of four functions | |
| CN204731018U (en) | Pilot valve and main valve on-line testing device in pilot operated safety valve | |
| CN114026337B (en) | Assembly for hydraulic verification test of hydraulic equipment | |
| CN204556199U (en) | A kind of tank wagon gas recovery system for oil tightness detector | |
| CN204254144U (en) | Auxiliary fixing device for pipeline repairing piece | |
| CN202442924U (en) | Highly-reliable intelligent hydraulic detection system | |
| CN209372409U (en) | System for off-line verification is carried out to running state pressure vessel and pipeline safety valve | |
| CN203374846U (en) | High-temperature and high-pressure power station gate valve | |
| CN204043878U (en) | Gate equalizing valve leak tightness test device | |
| CN204787036U (en) | Fusible air conditioner of tieing structure and being equipped with this fusible bolt structure | |
| CN206200886U (en) | A kind of safety valve dismantling device | |
| CN210859939U (en) | Vehicle-mounted high-pressure hydrogen pressure reducing valve group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 16 Weiliu Road, New Chemical Materials Industrial Park, Shihezi Economic Development Zone, Xinjiang Uygur Autonomous Region, 832000 Patentee after: Xinjiang DAQO New Energy Co., Ltd. Address before: Weiliu Road, New Chemical Materials Industrial Park, Shihezi Economic Development Zone, Xinjiang Uygur Autonomous Region, 832000 Patentee before: Xinjiang Daqo New Energy Co.,Ltd. |