CN207336051U - A kind of safety valve Performance Test System - Google Patents
A kind of safety valve Performance Test System Download PDFInfo
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- CN207336051U CN207336051U CN201721377775.6U CN201721377775U CN207336051U CN 207336051 U CN207336051 U CN 207336051U CN 201721377775 U CN201721377775 U CN 201721377775U CN 207336051 U CN207336051 U CN 207336051U
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- 238000011056 performance test Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 54
- 239000006200 vaporizer Substances 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Safety Valves (AREA)
Abstract
A kind of safety valve Performance Test System is the utility model is related to, which includes safety normal-pressure valve test system and high-voltage safety valve test system；Safety normal-pressure valve test system includes pneumatic emergency stop valve S7, cryogenic high pressure safety valve P2, vaporizer QX1, pneumatic emergency stop valve S8, atmospheric relief valve test chamber Q3, pneumatic ball valve S12, flowmeter S13 and the atmospheric relief valve terminal pad sequentially connected by pipeline；Pipeline between vaporizer QX1 and pneumatic emergency stop valve S8 is also communicated with temperature sensor S1 and pressure sensor S2；Also it is connected with pressure sensor S5, temperature sensor S6 and pneumatic emergency stop valve S11 between flowmeter S13 and atmospheric relief valve terminal pad in turn；Normal pressure control system is further included；The normal pressure control system is additionally provided with displacement sensor S14.The utility model can be used for the performance detection of high-pressure safety valve and low-pressure safety valve at the same time, and pressure and temperature control is accurate.
Description
Technical field
Valve detecting system is the utility model is related to, belongs to detecting system technical field, more specifically, the utility model
It is related to a kind of safety valve Performance Test System.
Background technology
Safety valve is that opening and closing element is in normally off under by external force effect, when the pressure medium rise in equipment or pipeline is super
When crossing setting, by outside system discharge medium prevent the pressure medium in pipeline or equipment from exceeding the particular usage valve of specified value
Door.Safety valve belongs to automatic valve class, is mainly used for boiler, on pressure vessels and pipes, control pressure is no more than setting, to people
Body safety and equipment have run important protective effect.Note safety valve, which has to pass through pressure testing, to be used.
Safety valve plays safeguard protection in systems.When system pressure exceedes setting, safety valve is opened, by system
In a part of gas/fluid be discharged into outside air/pipeline, system pressure is no more than permissible value, thus ensure system not because pressure
Power is excessive and accident occurs.
Safety valve is after the completion of assembling, in order to ensure its security used, generally all its performance can be detected, such as
Nominal pressure, discharge pressure, more than pressure, blow pressure, blowdown of a safety valve, Opening pressure etc., wherein, as returning for safety valve
Seat pressure and Opening pressure (being also set-pressure) are two more important pressure parameters, therefore general this 2 are to have to
Detection, meanwhile, for low-temperature safety valve, in order to ensure that cryogenic media can play a protective role when releasing, it is low
Discharge capacity when warm is also required to be detected.
Detection is manually to be detected using press device for more than in existing, and for the safety of different pressures
Valve, can be also detected using different equipment, can not realize the safety valve detection of different pressures on the same device, extremely not
Just, especially for 320 kilograms of pressure safety valve performance detection, the country can not also detect the experiment of its performance completely
Equipment, and many is all artificial detection, due to there are human error and Mechanical manipulation errors during detection, so that detection knot
Fruit poor accuracy, error are larger, or even the problem of also having false retrieval exists, and cause some underproof safety valves to dispatch from the factory use
, some security risks are caused to user.
Utility model content
Based on above technical problem, the utility model provides a kind of safety valve Performance Test System, so as to solve existing
There are safety valve detection inconvenience, the technical problem that accuracy is low, error is big in technology.
To solve above technical problem, the technical solution adopted in the utility model is as follows：
A kind of safety valve Performance Test System, the system include safety normal-pressure valve test system and high-voltage safety valve test system
System；
Wherein, it is the safety normal-pressure valve test system includes sequentially connecting by pipeline pneumatic emergency stop valve S7, low
Warm high-pressure safety valve P2, vaporizer QX1, pneumatic emergency stop valve S8, atmospheric relief valve test chamber Q3, pneumatic ball valve S12, stream
Gauge S13 and atmospheric relief valve terminal pad；
Pipeline between vaporizer QX1 and pneumatic emergency the stop valve S8 is also communicated with temperature sensor S1 and pressure passes
Sensor S2；The atmospheric relief valve test chamber Q3 is also associated with pressure sensor S3, temperature sensor S4, low-temperature safety valve P6
And pneumatic emergency stop valve S9；Pressure sensor is also connected with turn between the flowmeter S13 and atmospheric relief valve terminal pad
S5, temperature sensor S6 and pneumatic emergency stop valve S11；
The safety normal-pressure valve test system has further included normal pressure control system, the temperature sensor S1, pressure sensor
S2, pressure sensor S3, temperature sensor S4, pressure sensor S5, temperature sensor S6, dynamic quick action emergency valve S7, low temperature are high
Press safety valve P2, low-temperature safety valve P6, pneumatic emergency stop valve S8, pneumatic emergency stop valve S9, pneumatic emergency stop valve S11,
Pneumatic ball valve S12 and flowmeter S13 is electrically connected with the normal pressure control system；
The normal pressure control system is located at atmospheric relief valve terminal pad side and is additionally provided with displacement sensor S14.
Based on above technical scheme, the high-voltage safety valve test system includes the pneumatic emergency sequentially connected by pipeline
Stop valve G7, cryogenic high pressure safety valve P1, vaporizer QX2, pneumatic emergency stop valve G8, high-pressure safety valve test chamber Q2, gas
Dynamic ball valve G12, flowmeter G13 and high-pressure safety valve terminal pad；
Pipeline between vaporizer QX2 and pneumatic emergency the stop valve G8 is also communicated with temperature sensor G1 and pressure passes
Sensor G2；The high-pressure safety valve test chamber Q2 is also associated with pressure sensor G3, temperature sensor G4, cryogenic high pressure safety
Valve P5 and pneumatic emergency stop valve G9；Also it is connected with pressure biography between the flowmeter G13 and high-pressure safety valve terminal pad in turn
Sensor G5, temperature sensor G6 and pneumatic emergency stop valve G11；
The high-voltage safety valve test system has further included high voltage system, the temperature sensor G1, pressure sensor
It is G2, pressure sensor G3, temperature sensor G4, pressure sensor G5, temperature sensor G6, cryogenic high pressure safety valve P5, pneumatic
Quick action emergency valve G7, cryogenic high pressure safety valve P1, pneumatic emergency stop valve G8, pneumatic emergency stop valve G9, pneumatic emergency cut-out
Valve G11, pneumatic ball valve G12 and flowmeter G13 are electrically connected with the high voltage system；
The high voltage system is located at high-pressure safety valve terminal pad side and is additionally provided with displacement sensor G14.
Based on above technical scheme, the high-pressure safety valve test chamber Q2 is 0.2 cubic metre of volume, nominal pressure
The carbon steel tank of 42MPa；The atmospheric relief valve test chamber Q3 is 2 cubic metres of volume, the carbon steel tank of nominal pressure 4MPa.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：The utility model can be same
When performance detection for high-pressure safety valve and low-pressure safety valve, detection range includes the safety valve of 0~35MPa, passes through pipeline
Control pressure change can detect the unlatching of safety valve so as to detect the set-pressure of safety valve, discharge pressure and blow pressure
Height and rated discharge, realize the full performance detection of safety valve, and detection process is become using electrical control pressure and temperature
Change, pressure and temperature control is accurate, and error is small, so that detection result is good, precision is high, improves the accuracy of detection of safety valve.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiment of the utility model includes but unlimited
In the following example.
A kind of safety valve Performance Test System as shown in Figure 1, the system include safety normal-pressure valve test system and high pressure
Safety valve test system；
Wherein, it is the safety normal-pressure valve test system includes sequentially connecting by pipeline pneumatic emergency stop valve S7, low
Warm high-pressure safety valve P2, vaporizer QX1, pneumatic emergency stop valve S8, atmospheric relief valve test chamber Q3, pneumatic ball valve S12, stream
Gauge S13 and atmospheric relief valve terminal pad；
Pipeline between vaporizer QX1 and pneumatic emergency the stop valve S8 is also communicated with temperature sensor S1 and pressure passes
Sensor S2；The atmospheric relief valve test chamber Q3 is also associated with pressure sensor S3, temperature sensor S4, low-temperature safety valve P6
And pneumatic emergency stop valve S9；Pressure sensor is also connected with turn between the flowmeter S13 and atmospheric relief valve terminal pad
S5, temperature sensor S6 and pneumatic emergency stop valve S11；
The safety normal-pressure valve test system has further included normal pressure control system, the temperature sensor S1, pressure sensor
S2, pressure sensor S3, temperature sensor S4, pressure sensor S5, temperature sensor S6, dynamic quick action emergency valve S7, low temperature are high
Press safety valve P2, low-temperature safety valve P6, pneumatic emergency stop valve S8, pneumatic emergency stop valve S9, pneumatic emergency stop valve S11,
Pneumatic ball valve S12 and flowmeter S13 is electrically connected with the normal pressure control system；
The normal pressure control system is located at atmospheric relief valve terminal pad side and is additionally provided with displacement sensor S14.
The high-voltage safety valve test system includes pneumatic emergency stop valve G7, the cryogenic high pressure sequentially connected by pipeline
Safety valve P1, vaporizer QX2, pneumatic emergency stop valve G8, high-pressure safety valve test chamber Q2, pneumatic ball valve G12, flowmeter
G13 and high-pressure safety valve terminal pad；
Pipeline between vaporizer QX2 and pneumatic emergency the stop valve G8 is also communicated with temperature sensor G1 and pressure passes
Sensor G2；The high-pressure safety valve test chamber Q2 is also associated with pressure sensor G3, temperature sensor G4, cryogenic high pressure safety
Valve P5 and pneumatic emergency stop valve G9；Also it is connected with pressure biography between the flowmeter G13 and high-pressure safety valve terminal pad in turn
Sensor G5, temperature sensor G6 and pneumatic emergency stop valve G11；
The high-voltage safety valve test system has further included high voltage system, the temperature sensor G1, pressure sensor
It is G2, pressure sensor G3, temperature sensor G4, pressure sensor G5, temperature sensor G6, cryogenic high pressure safety valve P5, pneumatic
Quick action emergency valve G7, cryogenic high pressure safety valve P1, pneumatic emergency stop valve G8, pneumatic emergency stop valve G9, pneumatic emergency cut-out
Valve G11, pneumatic ball valve G12 and flowmeter G13 are electrically connected with the high voltage system；
The high voltage system is located at high-pressure safety valve terminal pad side and is additionally provided with displacement sensor G14.
The high-pressure safety valve test chamber Q2 is 0.2 cubic metre of volume, the carbon steel tank of nominal pressure 42MPa；It is described normal
Safety valve test container Q3 is pressed as 2 cubic metres of volume, the carbon steel tank of nominal pressure 4MPa.
The spring loaded safe valve of nominal diameter≤100mm, nominal pressure≤4.0MPa are selected as normal pressure to be measured
Safety valve, selects the spring loaded safe valve of nominal diameter≤50mm, nominal pressure≤35.0MPa to pacify as high pressure to be measured
Full valve, test temperature are more than -39 DEG C, and tested media is nitrogen (room temperature), then the pressure that safety normal-pressure valve test system can be born
Power is more than 6.3MPa, and the pressure that high-voltage safety valve test system can be born is more than 35.0MPa.
Based on the above, the operation principle of the present embodiment is：
A. safety normal-pressure valve test system (atmospheric relief valve to be measured has been installed with atmospheric relief valve terminal pad)：
A. liquid nitrogen enters pneumatic emergency stop valve S7 (pneumatic emergency stop valve S7 openings at this time, pneumatic emergency stop valve G7
Close), by vaporizer QX1, it is pressurized liquid nitrogen gasification；
B. when temperature sensor S1 and pressure sensor S2 reach setting value, pneumatic emergency stop valve S8 is automatically opened up, and is made
Gas enters in atmospheric relief valve test chamber Q3；
C. pressure sensor S3 and temperature sensor S4 is the pressure and temperature of monitoring atmospheric relief valve test chamber Q3, when
When pressure exceedes setting value, low-temperature safety valve P6 take-offs, to achieve the purpose that pressure release；
D. when pressure sensor S3 and temperature sensor S4 reach setting value, pneumatic ball valve S12, pneumatic emergency stop valve
S11 is automatically opened up, atmospheric relief valve take-off to be measured；Gas shows flow number, pressure sensor S5 and temperature by flowmeter S13
Spend sensor S6 and show blow pressure and temperature；
E. atmospheric relief valve to be measured is provided with displacement sensor S14, and by the take-off of the atmospheric relief valve to be measured, displacement passes
Sensor S14 by signal transmission to normal pressure control system, so as to measure the Lift of the safety valve；
F. pneumatic emergency stop valve S9 is opened when having liquid in atmospheric relief valve test chamber Q3 to be automatically drained out.
G. set-pressure, blow pressure, Lift, rated discharge be by electric signal transmission to normal pressure control system,
Record safety valve data to be measured.
B. high-voltage safety valve test system (high-pressure safety valve to be measured has been installed with high-pressure safety valve terminal pad)：
A. liquid nitrogen enters pneumatic emergency stop valve G7 (pneumatic emergency stop valve G7 openings at this time, pneumatic emergency stop valve S7
Close), by vaporizer QX2, it is pressurized liquid nitrogen gasification；
B. when temperature sensor G1 and pressure sensor G2 reach setting value, pneumatic emergency stop valve G8 is automatically opened up, and is made
Gas enters in high-pressure safety valve test chamber Q2；
C. pressure sensor G3 and temperature sensor G4 is the pressure and temperature of monitoring high-pressure safety valve test chamber Q2, when
When pressure exceedes setting value, cryogenic high pressure safety valve P5 take-offs, to achieve the purpose that pressure release；
D. when pressure sensor G3 and temperature sensor G4 reach setting value, pneumatic ball valve G12, pneumatic emergency stop valve
G11 is automatically opened up, high-pressure safety valve take-off to be measured；Gas shows flow number, pressure sensor G5 and temperature by flowmeter G13
Spend sensor G6 and show blow pressure and temperature；
E. high-pressure safety valve to be measured is provided with displacement sensor G14, passes through the take-off of the safety valve, displacement sensor G14
By signal transmission to high voltage system, so as to measure the Lift of the safety valve；
F. pneumatic emergency stop valve G9 is opened when having liquid in high-pressure safety valve test chamber Q2 to be automatically drained out.
G. set-pressure, blow pressure, Lift, rated discharge be by electric signal transmission to high voltage system,
Record safety valve data to be measured.
H.C, set-pressure, blow pressure, Lift, rated discharge pass through electric signal transmission to high voltage control system
System, records safety valve data to be measured.
The present embodiment by safety normal-pressure valve test system and high-voltage safety valve test system can detect respectively at the same time normal pressure,
Set-pressure, blow pressure and the discharge pressure of high-pressure safety valve, can also be detected, each device is equal in detection process respectively
The performance test of safety valve is completed by automatically controlling, and accurate test data can be obtained, so as to detect accurate quick, essence
Degree is high, reduces human error, while the system can also detect the Lift and rated discharge of safety valve at the same time, and detection is more
Comprehensively, using said system, performance detection can be carried out to the safety valve of 0~32MPa, so that the safety to 32MPa can be realized
The all round properties detection of valve.
The present embodiment can be automatically performed the performance test of safety valve, be automatically controlled by electric appliance to realize, reduce artificial miss
Difference, avoids the security incident caused by human operational error, while can also avoid liquid nitrogen cryogenics from damaging staff, improves peace
The security of full valve detection, accuracy and reduce human error.
It is the embodiment of the utility model as described above.Each preferred embodiment described previously for the utility model,
Preferred embodiment in each preferred embodiment if not obvious contradictory or premised on a certain preferred embodiment,
Each preferred embodiment can arbitrarily stack combinations use, the design parameter in the embodiment and embodiment be only for
The utility model verification process of clear statement utility model people, and the scope of patent protection of limitation the utility model is not used to,
The scope of patent protection of the utility model is still subject to its claims, every specification with the utility model and attached
The equivalent structure change that figure content is made, similarly should be included in the scope of protection of the utility model.
Claims (3)
- A kind of 1. safety valve Performance Test System, it is characterised in that：The system includes safety normal-pressure valve test system and high pressure is pacified Full valve tests system；Wherein, pneumatic emergency stop valve S7, the low temperature that the safety normal-pressure valve test system includes sequentially connecting by pipeline are high Press safety valve P2, vaporizer QX1, pneumatic emergency stop valve S8, atmospheric relief valve test chamber Q3, pneumatic ball valve S12, flowmeter S13 and atmospheric relief valve terminal pad；Pipeline between vaporizer QX1 and pneumatic emergency the stop valve S8 is also communicated with temperature sensor S1 and pressure sensor S2；The atmospheric relief valve test chamber Q3 is also associated with pressure sensor S3, temperature sensor S4, low-temperature safety valve P6 and gas Dynamic quick action emergency valve S9；Pressure sensor S5, temperature are also connected with turn between the flowmeter S13 and atmospheric relief valve terminal pad Spend sensor S6 and pneumatic emergency stop valve S11；The safety normal-pressure valve test system has further included normal pressure control system, the temperature sensor S1, pressure sensor S2, pressure Force snesor S3, temperature sensor S4, pressure sensor S5, temperature sensor S6, dynamic quick action emergency valve S7, cryogenic high pressure safety Valve P2, low-temperature safety valve P6, pneumatic emergency stop valve S8, pneumatic emergency stop valve S9, pneumatic emergency stop valve S11, Pneumatic ball Valve S12 and flowmeter S13 is electrically connected with the normal pressure control system；The normal pressure control system is located at atmospheric relief valve terminal pad side and is additionally provided with displacement sensor S14.
- A kind of 2. safety valve Performance Test System according to claim 1, it is characterised in that：The high-voltage safety valve test It is pneumatic emergency stop valve G7 that system includes sequentially connecting by pipeline, cryogenic high pressure safety valve P1, vaporizer QX2, pneumatic tight Anxious stop valve G8, high-pressure safety valve test chamber Q2, pneumatic ball valve G12, flowmeter G13 and high-pressure safety valve terminal pad；Pipeline between vaporizer QX2 and pneumatic emergency the stop valve G8 is also communicated with temperature sensor G1 and pressure sensor G2；The high-pressure safety valve test chamber Q2 is also associated with pressure sensor G3, temperature sensor G4, cryogenic high pressure safety valve P5 And pneumatic emergency stop valve G9；Pressure sensor is also connected with turn between the flowmeter G13 and high-pressure safety valve terminal pad G5, temperature sensor G6 and pneumatic emergency stop valve G11；The high-voltage safety valve test system has further included high voltage system, the temperature sensor G1, pressure sensor G2, pressure Force snesor G3, temperature sensor G4, pressure sensor G5, temperature sensor G6, cryogenic high pressure safety valve P5, pneumatic emergency are cut Disconnected valve G7, cryogenic high pressure safety valve P1, pneumatic emergency stop valve G8, pneumatic emergency stop valve G9, pneumatic emergency stop valve G11, Pneumatic ball valve G12 and flowmeter G13 are electrically connected with the high voltage system；The high voltage system is located at high-pressure safety valve terminal pad side and is additionally provided with displacement sensor G14.
- A kind of 3. safety valve Performance Test System according to claim 2, it is characterised in that：The high-pressure safety valve experiment Container Q2 is 0.2 cubic metre of volume, the carbon steel tank of nominal pressure 42MPa；The atmospheric relief valve test chamber Q3 is vertical for volume 2 The carbon steel tank of square rice, nominal pressure 4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377775.6U CN207336051U (en) | 2017-10-24 | 2017-10-24 | A kind of safety valve Performance Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377775.6U CN207336051U (en) | 2017-10-24 | 2017-10-24 | A kind of safety valve Performance Test System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336051U true CN207336051U (en) | 2018-05-08 |
Family
ID=62366468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377775.6U Expired - Fee Related CN207336051U (en) | 2017-10-24 | 2017-10-24 | A kind of safety valve Performance Test System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336051U (en) |
-
2017
- 2017-10-24 CN CN201721377775.6U patent/CN207336051U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 |