CN203101036U - Calibration device for steam calibration safety valve - Google Patents
Calibration device for steam calibration safety valve Download PDFInfo
- Publication number
- CN203101036U CN203101036U CN 201320007012 CN201320007012U CN203101036U CN 203101036 U CN203101036 U CN 203101036U CN 201320007012 CN201320007012 CN 201320007012 CN 201320007012 U CN201320007012 U CN 201320007012U CN 203101036 U CN203101036 U CN 203101036U
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- Prior art keywords
- safety valve
- steam
- valve
- pressure
- calibration equipment
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- 238000012795 verification Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000008676 import Effects 0.000 claims description 6
- 210000000664 rectum Anatomy 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000010793 Steam injection (oil industry) Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model relates to a checking device for steam checking safety valve, which comprises a checking platform and a tested safety valve arranged on the checking platform; the calibration device also comprises a water treatment device, a water tank, a high-pressure pump, a check valve, a wet steam generator and a steam gas storage tank which are sequentially connected by pipelines; the inlet of the water treatment device is communicated with a water supply pipeline through a first electric valve; the outlet of the steam gas storage tank is communicated with the inlet pipeline of the calibration stand. The checking device adds the steam storage tank between the steam generator and the safety valve to be tested as a buffer device, provides a steam source with stable pressure in a plurality of signal detection periods, can improve the precision of the discharge pressure in the checking process, prevents the pressure in the pipeline from rapidly reducing after the safety valve to be tested is opened, and is beneficial to testing the recoil pressure of the safety valve to be tested; the device can simulate parameters such as the discharge pressure, the sealing test pressure, the recoil pressure and the like of the safety valve of the steam injection boiler in the actual working state, and can improve the accuracy of the safety valve verification.
Description
Technical field
The utility model is about the calibration equipment of a kind of injection boiler with safety valve, relates in particular to a kind of calibration equipment by steam verification safety valve.
Background technology
Exploitation via steam injection is the main mode of present heavy oil development, and injection boiler is the major equipment of exploitation via steam injection, and it is a kind of of direct current cooker.Safety valve is as the important safety protective device of injection boiler, and its effect is exactly to open when boiler pressure surpasses setting value, and exhaust steam guarantees not superpressure of boiler, when pressure is lower than setting value, can close automatically, guarantees the injection boiler operate as normal.Whether the safety valve reliable operation is directly connected to the safety of the boiler plant and the person.Therefore, regularly carry out verification, guarantee its operate as normal all the time safety valve.
At present, use in the safety valve testing system at boiler, adopt the direct current cooker principle mostly, produce steam, directly be connected with safety valve, when vapor pressure reaches certain value, moment makes safety valve jumping up, and safety valve cuts out immediately after the pressure release, and safety valve is very short switching time, in blowdown presssure and blow pressure input, there is error; Simultaneously, after safety valve was opened, manifold pressure reduced rapidly, and the safety valve flap contacts again with valve seat, and this pressure detection is inaccurate.
Thus, the inventor relies on experience and the practice of being engaged in relevant industries for many years, there are error and defective that can not the verification blow pressure at existing high temperature verification safety valve system, propose a kind of calibration equipment that is used for steam verification safety valve, to overcome the defective of prior art.
The utility model content
The purpose of this utility model is to provide a kind of calibration equipment that is used for steam verification safety valve, has error and defective that can not the verification blow pressure to overcome existing high temperature verification safety valve system.
Another purpose of the present utility model is to provide a kind of calibration equipment that is used for steam verification safety valve, to satisfy the verification demand of uphole steam generator with safety valve; Simulate injection boiler safety valve parameters such as blowdown presssure, seal test pressure and blow pressure under actual working state flexibly, the accuracy that improves safety valve testing.
The purpose of this utility model is achieved in that a kind of calibration equipment that is used for steam verification safety valve, and described calibration equipment comprises a checking table and the tested safety valve that is arranged on this checking table; Described calibration equipment also comprises water disposal facility, water pot, high-pressure pump, non-return valve, wet steam generator and the steam gas-holder that is linked in sequence by pipeline; Described water disposal facility import is communicated with supply line by first motorized valve; Described steam gas-holder outlet is communicated with the inlet duct of checking table.
In a better embodiment of the present utility model, described high-pressure pump two ends are parallel with second motorized valve.
In a better embodiment of the present utility model, the pipeline between described wet steam generator and the steam gas-holder is provided with first tensimeter, first thermometer and first safety valve.
In a better embodiment of the present utility model, described wet steam generator is provided with second thermometer; Pipeline between described wet steam generator and the non-return valve is provided with second tensimeter.
In a better embodiment of the present utility model, described steam gas-holder is provided with second safety valve and the 3rd tensimeter; This steam gas-holder bottom is provided with by the 3rd motorized valve emptier that constitutes in parallel with first hand valve.
In a better embodiment of the present utility model, be provided with first branch road and second branch road in parallel in the described checking table; Second hand valve and the 3rd hand valve that comprise the order polyphone in described first branch road; The 4th motorized valve and the 5th motorized valve that comprise the order polyphone in described second branch road; The outlet conducting of the outlet of described second hand valve and the 4th motorized valve; First branch road of described parallel connection and the import of second branch road form the inlet duct of checking table; Described tested safety valve conducting is in the endpiece of the 3rd hand valve.
In a better embodiment of the present utility model, the latus rectum of described tested safety valve is DN40.
In a better embodiment of the present utility model, the pressure≤25MPa at described tested safety valve place; Temperature≤320 ℃.
From the above mentioned, the calibration equipment that is used for steam verification safety valve of the present utility model, between steam raising plant and tested safety valve, increase the steam gas-holder as snubber assembly, provide at the stable vapour source of a plurality of signal detection cycle internal pressures, can improve the precision of blowdown presssure in the checking procedure thus, and can prevent that tested safety valve unlatching back manifold pressure from reducing rapidly, helps testing the blow pressure of tested safety valve; In addition, calibration equipment of the present utility model can be simulated injection boiler safety valve parameters such as blowdown presssure, seal test pressure and blow pressure under actual working state flexibly, therefore the accuracy that can improve safety valve testing.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: the structural representation that is used for the calibration equipment of steam verification safety valve for the utility model.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figure 1, the utility model proposes a kind of calibration equipment 100 that is used for steam verification safety valve, described calibration equipment 100 comprises a checking table 2 and the tested safety valve 1 that is arranged on this checking table 2; Described calibration equipment 100 also comprises water disposal facility 3, water pot 4, high-pressure pump 5, non-return valve 6, wet steam generator 7 and the steam gas-holder 8 that is linked in sequence by pipeline; Described water disposal facility 3 imports are communicated with supply line (water supply system) by first motorized valve 31; The outlet of described steam gas-holder 8 is communicated with the inlet duct of checking table 2.
As mentioned above, water supply system is connected with water disposal facility 3 by motorized valve 31, is stored in the water pot 4 through the softening water of handling, and the water in the water pot 4 carries out supercharging through high-pressure pump 5, water under high pressure after the supercharging is supplied with wet steam generator 7 by non-return valve 6, to produce water vapour as the verification medium; The steam that produces through wet steam generator 7 is stored in the steam gas-holder 8, and the outlet of steam gas-holder 8 is communicated with tested safety valve 1 by the inlet duct of checking table 2.Open steam gas-holder 8 and allow steam enter tested safety valve 1, record blowdown presssure, seal test pressure and blow pressure, finish the verification work of safety valve.Calibration equipment 100 of the present utility model, between steam raising plant and tested safety valve, increase the steam gas-holder as snubber assembly, provide at the stable vapour source of a plurality of signal detection cycle internal pressures, can improve the precision of blowdown presssure in the checking procedure thus, and can prevent that tested safety valve unlatching back manifold pressure from reducing rapidly, helps testing the blow pressure of tested safety valve; In addition, calibration equipment 100 of the present utility model can be simulated injection boiler safety valve parameters such as blowdown presssure, seal test pressure and blow pressure under actual working state flexibly, therefore the accuracy that can improve safety valve testing.
In the present embodiment, described high-pressure pump 5 two ends are parallel with second motorized valve 51, can reflux by second motorized valve 51, guarantee not superpressure of high-pressure pump 5.
In the present embodiment, the pipeline between described wet steam generator 7 and the steam gas-holder 8 is provided with first tensimeter 71, first thermometer 72 and first safety valve 73.Also be provided with second thermometer 74 on the described wet steam generator 7, to measure wet steam generator 7 internal temperatures; Pipeline between described wet steam generator 7 and the non-return valve 6 is provided with second tensimeter 75.
In the present embodiment, described steam gas-holder 8 is provided with second safety valve 81 and the 3rd tensimeter 82, with the pressure of monitoring steam gas-holder 8 and guarantee safety; These steam gas-holder 8 bottoms are provided with by the 3rd motorized valve 83 and first hand valve, 84 emptier that constitute in parallel, are used for remaining test(ing) medium in the depleted of steam gas-holder 8.
In the present embodiment, be provided with first branch road and second branch road in parallel in the described checking table 2, first branch road of described parallel connection and the import of second branch road form the inlet duct of checking table 2; Second hand valve 21 and the 3rd hand valve 22 that comprise the order polyphone in described first branch road; The 4th motorized valve 23 and the 5th motorized valve 24 that comprise the order polyphone in described second branch road; The outlet conducting of the outlet of described second hand valve 21 and the 4th motorized valve 23; Be used to test the medium between emptying the 4th motorized valve 23 and tested safety valve 1 after finishing, the safety when guaranteeing the tested safety valve 1 of dismounting.Described tested safety valve 1 conducting is in the endpiece of the 3rd hand valve 22.
In the present embodiment, the latus rectum of described tested safety valve 1 is DN40; It can certainly be the latus rectum of other size.Pressure≤the 25MPa at described tested safety valve 1 place; Temperature≤320 ℃.
The calibration equipment that is used for steam verification safety valve of the present utility model, between steam generator and tested safety valve, increase the steam gas-holder as snubber assembly, provide at the stable vapour source of a plurality of signal detection cycle internal pressures, can improve the precision of blowdown presssure in the checking procedure thus, and can prevent that tested safety valve unlatching back manifold pressure from reducing rapidly, helps testing the blow pressure of tested safety valve; In addition, calibration equipment of the present utility model can be simulated injection boiler safety valve parameters such as blowdown presssure, seal test pressure and blow pressure under actual working state flexibly, therefore the accuracy that can improve safety valve testing.Package unit is all realized automation mechanized operation, has improved verification personnel's personal safety.From checking procedure, this calibration equipment reliability height, data recording is stable, can satisfy the needs of the verification of uphole steam generator safety valve well.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (8)
1. calibration equipment that is used for steam verification safety valve, described calibration equipment comprise a checking table and are arranged on tested safety valve on this checking table; It is characterized in that: described calibration equipment also comprises water disposal facility, water pot, high-pressure pump, non-return valve, wet steam generator and the steam gas-holder that is linked in sequence by pipeline; Described water disposal facility import is communicated with supply line by first motorized valve; Described steam gas-holder outlet is communicated with the inlet duct of checking table.
2. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: described high-pressure pump two ends are parallel with second motorized valve.
3. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: the pipeline between described wet steam generator and the steam gas-holder is provided with first tensimeter, first thermometer and first safety valve.
4. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: described wet steam generator is provided with second thermometer; Pipeline between described wet steam generator and the non-return valve is provided with second tensimeter.
5. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: described steam gas-holder is provided with second safety valve and the 3rd tensimeter; This steam gas-holder bottom is provided with by the 3rd motorized valve emptier that constitutes in parallel with first hand valve.
6. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: be provided with first branch road and second branch road in parallel in the described checking table; Second hand valve and the 3rd hand valve that comprise the order polyphone in described first branch road; The 4th motorized valve and the 5th motorized valve that comprise the order polyphone in described second branch road; The outlet conducting of the outlet of described second hand valve and the 4th motorized valve; First branch road of described parallel connection and the import of second branch road form the inlet duct of checking table; Described tested safety valve conducting is in the endpiece of the 3rd hand valve.
7. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: the latus rectum of described tested safety valve is DN40.
8. the calibration equipment that is used for steam verification safety valve as claimed in claim 1 is characterized in that: the pressure≤25MPa at described tested safety valve place; Temperature≤320 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007012 CN203101036U (en) | 2013-01-07 | 2013-01-07 | Calibration device for steam calibration safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007012 CN203101036U (en) | 2013-01-07 | 2013-01-07 | Calibration device for steam calibration safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101036U true CN203101036U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320007012 Expired - Fee Related CN203101036U (en) | 2013-01-07 | 2013-01-07 | Calibration device for steam calibration safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101036U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808503A (en) * | 2014-02-24 | 2014-05-21 | 华东理工大学 | Test device and test method for testing delivery capacity of steam security valve |
| CN104568402A (en) * | 2014-12-15 | 2015-04-29 | 华东理工大学 | Test device and test method for testing release quantity of safety valve of nuclear power voltage stabilizer |
| CN105445018A (en) * | 2015-12-28 | 2016-03-30 | 北航温州研究院 | Steam experiment table |
| CN105699068A (en) * | 2016-04-05 | 2016-06-22 | 杭州市特种设备检测研究院 | Safety valve performance testing and safety valve online calibrator calibrating device |
| 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 |
| CN106323624A (en) * | 2016-11-24 | 2017-01-11 | 中国核动力研究设计院 | Safety valve action performance test device with pressure boosting function and test method |
| CN108507767A (en) * | 2018-03-27 | 2018-09-07 | 河南省铭澳特种设备检测有限公司 | A kind of detection device for safety valve |
| CN114754965A (en) * | 2022-03-15 | 2022-07-15 | 哈尔滨工程大学 | Non-condensable gas-containing steam immersion jet experiment device and using method thereof |
-
2013
- 2013-01-07 CN CN 201320007012 patent/CN203101036U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808503B (en) * | 2014-02-24 | 2016-08-24 | 华东理工大学 | The experimental rig of a kind of test vapor Methods of Safety Valve Discharge Capacity and test method |
| CN103808503A (en) * | 2014-02-24 | 2014-05-21 | 华东理工大学 | Test device and test method for testing delivery capacity of steam security valve |
| CN104568402A (en) * | 2014-12-15 | 2015-04-29 | 华东理工大学 | Test device and test method for testing release quantity of safety valve of nuclear power voltage stabilizer |
| CN104568402B (en) * | 2014-12-15 | 2017-02-22 | 华东理工大学 | Test method of test device for testing release quantity of safety valve of nuclear power voltage stabilizer |
| CN105445018A (en) * | 2015-12-28 | 2016-03-30 | 北航温州研究院 | Steam experiment table |
| CN105699068B (en) * | 2016-04-05 | 2019-03-12 | 杭州市特种设备检测研究院 | Safety valve performance test and on-line testing instrument calibration equipment |
| CN105699068A (en) * | 2016-04-05 | 2016-06-22 | 杭州市特种设备检测研究院 | Safety valve performance testing and safety valve online calibrator calibrating device |
| 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 |
| CN106092561B (en) * | 2016-08-29 | 2019-11-22 | 湖北三江航天红峰控制有限公司 | A kind of multifunctional safety valve calibration equipment |
| CN106323624A (en) * | 2016-11-24 | 2017-01-11 | 中国核动力研究设计院 | Safety valve action performance test device with pressure boosting function and test method |
| CN106323624B (en) * | 2016-11-24 | 2018-09-11 | 中国核动力研究设计院 | A kind of performance of safety valve experimental rig that can be boosted and test method |
| CN108507767A (en) * | 2018-03-27 | 2018-09-07 | 河南省铭澳特种设备检测有限公司 | A kind of detection device for safety valve |
| CN114754965A (en) * | 2022-03-15 | 2022-07-15 | 哈尔滨工程大学 | Non-condensable gas-containing steam immersion jet experiment device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20220107 |