CN203275081U - Performance detection system of low-temperature pressure-regulating valve - Google Patents
Performance detection system of low-temperature pressure-regulating valve Download PDFInfo
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- CN203275081U CN203275081U CN 201320308057 CN201320308057U CN203275081U CN 203275081 U CN203275081 U CN 203275081U CN 201320308057 CN201320308057 CN 201320308057 CN 201320308057 U CN201320308057 U CN 201320308057U CN 203275081 U CN203275081 U CN 203275081U
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Abstract
The utility model relates to a performance detection system of a low-temperature pressure-regulating valve and an objective is to provide a detection system which is capable of detecting multiple performance of the low-temperature pressure-regulating valve. Therefore, the utility model provides the performance detection system of the low-temperature pressure-regulating valve. The performance detection system comprises a gas inlet pipeline, a first gas releasing pipeline and a data processing control system. Two ends of the to-be-tested valve are separately connected with the gas inlet pipeline and the gas releasing pipeline; a first pressure gage is arranged on the gas inlet pipeline; a second pressure gage is arranged on the first gas releasing pipeline; a first high-pressure ball valve is arranged between the first pressure gage and a gas inlet of the gas inlet pipeline; a second high-pressure ball valve is arranged between the second pressure gage and a gas releasing outlet of the gas releasing pipeline; a flow meter is arranged between the second high-pressure ball valve and the gas releasing outlet of the first gas releasing pipeline; the flow meter is electrically connected with the data processing control system; and the second high-pressure ball valve is in parallel connection with a high-pressure choke valve. According to the utility model, multiple performance parameters of the low-temperature pressure-regulating valve can be detected, and automation, informatization, more proper detection and more precise result are achieved.
Description
Technical field
The utility model relates to low temperature pressure regulator valve field, relates in particular to low temperature pressure regulator valve performance detecting system.
Background technology
The low temperature pressure regulator valve is used for the Regulation Control of the cryogens such as liquid nitrogen, liquid oxygen, liquid argon, and the working temperature of low temperature pressure regulator valve is-106 ℃.This valve needs to carry out the high temperature performance test after manufacturing, detect the performance of low temperature pressure regulator valve under high low temperature, guarantees the normal use of low temperature pressure regulator valve.The method of using at present is to be manually installed on unit clamp by valve, checks by many complete equipments, and this detection mode can't be controlled automatically, detects data and can't preserve, and testing process is loaded down with trivial details.
The utility model content
The purpose of this utility model is: a kind of low temperature pressure regulator valve performance detecting system is provided, can detects by a cover system multinomial performance of low temperature pressure regulator valve.
in order to solve the problems of the technologies described above, the utility model provides a kind of low temperature pressure regulator valve performance detecting system, comprise air inlet pipeline, downtake pipe road and data processing and control system, described air inlet pipeline is used for to treating the side valve air inlet, treat that the gas in side valve passes through the road discharge of described downtake pipe, the first tensimeter is set on described air inlet pipeline, described downtake pipe arranges the second tensimeter on the road, between described the first tensimeter and described air inlet pipeline air intake opening, the first high-pressure ball valve is set, between the exhausr port on described the second tensimeter and described downtake pipe road, the second high-pressure ball valve is set, between the exhausr port on described the second high-pressure ball valve and described downtake pipe road, flowmeter is set, described flowmeter is electrically connected to described data processing and control system, described the second high-pressure ball valve is parallel with the high pressure throttling valve.
Described downtake pipe road also is parallel with the second exhaust pipe road, the air intake opening on described second exhaust pipe road is arranged between described the second tensimeter and described the second high-pressure ball valve, described second exhaust pipe Lu Shangcong air intake opening arranges third high pressure ball valve and solenoid valve to the exhausr port order, and described third high pressure ball valve is electrically connected to described data processing and control system.
Described second exhaust pipe road also is parallel with the 3rd gas exhaust piping, and the air intake opening of described the 3rd gas exhaust piping is arranged between described third high pressure ball valve and described solenoid valve, on described the 3rd gas exhaust piping, high pressure needle valve is set.
Described the first tensimeter and treat also to arrange between side valve the first pressure transducer and the first temperature sensor, described the first pressure transducer and described the first temperature sensor all are electrically connected to described data processing and control system.
Described the second high-pressure ball valve and treat to arrange between side valve the second pressure transducer and the second temperature sensor, described the second pressure transducer and described the second temperature sensor all are electrically connected to described data processing and control system.
Between described the first tensimeter and described the first high-pressure ball valve, the high pressure air governor ball valve is set, between described high pressure air governor ball valve and described the first high-pressure ball valve, the 3rd tensimeter is set.
The first buffering pipeline is set between described high pressure air governor ball valve and described the 3rd tensimeter, and the two ends of described the first buffering pipeline connect respectively the first surge tank and described air inlet pipeline, and third high pressure ball valve is set between described the first surge tank and described air inlet pipeline.
Between described the first buffering pipeline and described the 3rd tensimeter, reduction valve is set.
Between described reduction valve and described the 3rd tensimeter, overflow passage is set, the two ends of described overflow passage connect respectively safety overflow valve and air inlet pipeline.
The second buffering pipeline is set between described overflow passage and described the 3rd tensimeter, and the two ends of described the second buffering pipeline connect respectively the second surge tank and described air inlet pipeline, between described the second surge tank and described air inlet pipeline, the 4th high-pressure ball valve are set.
With respect to prior art, the utility model has the following advantages: can detect a plurality of performance parameters of low temperature variable valve by a cover detection system, realize robotization and informationization, it is more reasonable to detect, and result is more accurate.
Description of drawings
Figure 1 shows that the framework schematic diagram of the utility model low temperature pressure regulator valve performance detecting system.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.
A lot of details have been set forth so that fully understand the utility model during description below is concrete; but the utility model can also adopt other to be different from other modes described here and realize; therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Need to prove, in the situation that do not conflict, the application's implementation column and the feature in embodiment can make up mutually.
as shown in Figure 1, the present embodiment low temperature pressure regulator valve performance detecting system, comprise air inlet pipeline 1, downtake pipe road 2 and data processing and control system 3, air inlet pipeline 1 is used for to treating the side valve air inlet, treat that the gas in side valve passes through downtake pipe road 2 discharges, the first tensimeter 4 is set on air inlet pipeline 1, the second tensimeter 5 is set on downtake pipe road 2, between the first tensimeter 4 and air inlet pipeline 1 air intake opening, the first high-pressure ball valve 6 is set, between the exhausr port on the second tensimeter 5 and downtake pipe road 2, the second high-pressure ball valve 7 is set, between the exhausr port on the second high-pressure ball valve 7 and downtake pipe road 2, flowmeter 8 is set, flowmeter 8 is electrically connected to data processing and control system 3, the second high-pressure ball valve 7 is parallel with high pressure throttling valve 9.
Downtake pipe road 2 also is parallel with second exhaust pipe road 10, the air intake opening on second exhaust pipe road 10 is arranged between the second tensimeter 5 and the second high-pressure ball valve 7, third high pressure ball valve 11 and solenoid valve 12 are set from air intake opening to the exhausr port order on second exhaust pipe road 10, and third high pressure ball valve 11 is electrically connected to data processing and control system 3.
The air intake opening that second exhaust pipe road 10 also is parallel with the 3rd gas exhaust piping 13, the three gas exhaust pipings 13 is arranged between third high pressure ball valve 11 and solenoid valve 12, on the 3rd gas exhaust piping 13, high pressure needle valve 14 is set.
The first tensimeter 4 and treat also to arrange between side valve the first pressure transducer 15 and the first temperature sensor 16, the first pressure transducer 15 and the first temperature sensor 16 all are electrically connected to data processing and control system 3, the first pressure transducer 15 and the first temperature sensor 16 are used for respectively responding to the pressure and temperature of air inlet pipeline, and provide induced signal to data processing and control system 3.
The second high-pressure ball valve 7 and treat to arrange between side valve the second pressure transducer 17 and the second temperature sensor 18, the second pressure transducer 17 and the second temperature sensor 18 all are electrically connected to data processing and control system 3, the second pressure transducer 17 and the second temperature sensor 18 are used for respectively responding to the pressure and temperature of gas exhaust piping, and provide induced signal to data processing and control system 3.
Between the first tensimeter 4 and the first high-pressure ball valve 6, high pressure air governor ball valve 19 is set, between high pressure air governor ball valve 19 and the first high-pressure ball valve 6, the 3rd tensimeter 20 is set.
The first buffering pipeline 21 is set between high pressure air governor ball valve 19 and the 3rd tensimeter 20, the two ends of the first buffering pipeline 21 connect respectively the first surge tank 22 and air inlet pipeline 1, third high pressure ball valve 23 is set between the first surge tank 22 and air inlet pipeline 1, and the buffering pipeline provides gaseous tension stable when detecting.
Between the first buffering pipeline 21 and the 3rd tensimeter 20, reduction valve 24 is set, stable in order to guarantee to detect needed gaseous tension, can force value be set by reduction valve 24.
Between reduction valve 24 and the 3rd tensimeter 20, overflow passage 25 is set, the two ends of overflow passage 25 connect respectively safety overflow valve 26 and air inlet pipeline 1, and the safety of overflow passage 25 blanket gas pipelines is passed through safety overflow valve 26 relieving pressures during superpressure.
The second buffering pipeline 27 is set between overflow passage 25 and the 3rd tensimeter 20, the two ends of the second buffering pipeline 27 connect respectively the second surge tank 28 and air inlet pipeline 1, the 4th high-pressure ball valve 29 is set between the second surge tank 28 and air inlet pipeline 1, the second buffering pipeline 27 can be for a plurality of, the second corresponding surge tank 28 and the 4th high-pressure ball valve 29 also comprise a plurality of, are connected respectively.
When needing to detect low temperature pressure regulator valve performance, will treat that side valve is arranged on fixture, and make air inlet pipeline 1 to treating the side valve air inlet, to treat that the gas in side valve can be by downtake pipe road 2 discharges.
Impermeability detects: close valve to be measured, open the first high-pressure ball valve 6, enter pure air from the air intake opening of air inlet pipeline 1 and boost to 1.2 times of working pressures treating side valve, the exhausr port water-flowing trough on downtake pipe road 2, measure and record leakage, if the maximum leakage amount less than or equal to 5 (bubble)/min, illustrates that impermeability is good.Can also adopt following methods to detect impermeability: to close valve to be measured, open the first high-pressure ball valve 6, enter pure air from the air intake opening of air inlet pipeline 1 and boost to set pressure, side valve is treated in adjusting, make valve outlet port pressure to be measured be the highest permission top hole pressure and minimum permission top hole pressure, then close the second high-pressure ball valve 7, the appreciation of measuring and recording the second tensimeter 5, the appreciation by the second tensimeter 5 judges whether impermeability is good.
Negotiability detects (Cv): will treat the side valve standard-sized sheet, making its front and back end pressure differential by 9 throttlings of high pressure throttling valve is 0.1MPa, and after guaranteeing, end pressure is not less than 0.035MPa, the first tensimeter 4 detects import step pressure, the second tensimeter 5 detects mouth pressure, measure a plurality of flow values by flowmeter 8, get its mean value, calculate negotiability according to formula (1)～formula (5):
Liquid:
Gas: P
2/ P
1＞0.5
P
2/P
1≤0.5
Steam: P
2/ P
1＞0.5
P
2/P
1≤0.5C
v＝GK/119P
1………………………………(5)
In formula:
C
v-negotiability;
The Q-volumetric flow rate, unit is per hour (m of cubic meter
3/ h);
The G-mass rate, unit is kilogram per hour (kg/h);
P
1-import step pressure, unit are MPa (MPa);
P
2-export pressure, unit are MPa (MPa);
Δ P-import and export pressure differential, unit is MPa (MPa);
The t-working temperature, unit be degree centigrade (℃);
ρ-fluid density, unit is every cubic centimetre of (g/cm of gram
3);
K---overheated coefficient, K=1+0.013t
3
-the degree of superheat (superheat steam temperature deducts saturated-steam temperature), unit be degree centigrade (℃).
Discharge characteristic detects: under the highest import step pressure, regulate valve outlet port to be measured to a certain force value, regulate simultaneously the second high-pressure ball valve 7, make flow be under this operating mode rated flow 20%, then open gradually the second high-pressure ball valve 7, use traffic reaches 100% of rated flow under this operating mode, records the top hole pressure deviate by the second tensimeter 5, and is good if deviate is not more than 20% explanation discharge characteristic of top hole pressure.
Pressure characteristic detects: under the highest import step pressure, adjust mouth pressure and be respectively the highest, minimum pressure under this spring rank, keep maximum flow under this operating mode, regulate high pressure air governor ball valve 19, intake pressure is changed in the 80%-105% scope, record the top hole pressure deviate by the second tensimeter 5.Pressure characteristic comprises normal temperature normal temperature pressure regulating performance and low temperature pressure regulating performance.
Normal temperature supercharging pressure regulating performance divides high pressure, middle pressure, low pressure Three pressures range detection, and is as follows respectively:
A) low pressure range of regulation: 0.34MPa～1.58MPa.Treat that side valve transfers to 0.86MPa, it is stable that pressure keeps, and tests 2～3 times, and deviation≤0.05Mpa illustrates that pressure regulating performance is good;
B) press range of regulation: 1.03MPa～2.41MPa in.Treat that side valve transfers to 2.07MPa, it is stable that pressure keeps, and tests 2～3 times, and deviation≤0.05Mpa illustrates that pressure regulating performance is good;
C) high pressure range of regulation: 2.07MPa～3.5MPa.Treat that side valve transfers to 2.75MPa, it is stable that pressure keeps, and tests 2～3 times, and deviation≤0.05MPa illustrates that pressure regulating performance is good.
Low temperature supercharging pressure regulating performance divides high pressure, middle pressure, low pressure Three pressures range detection, and temperature remains on-106 ℃, and is as follows respectively:
A) low pressure bottle transfers to 0.96MPa and treats that side valve cuts out, and pressure≤0.86MPa treats that side valve opens, and illustrates that pressure regulating performance is good;
B) in, pressure bottle transfers to 2.17MPa and treats that side valve cuts out, and pressure≤2.07MPa treats that side valve opens, and illustrates that pressure regulating performance is good;
C) bomb transfers to 2.85MPa and treats that side valve cuts out, and pressure≤2.75MPa treats that side valve opens, and illustrates that pressure regulating performance is good.
Continuously operation detects: the switch repeatedly of solenoid valve 12 reaches the purpose for the treatment of the side valve alternation, with certain frequency and reach certain number of times.Treating that the side valve air inlet side applies maximum working pressure (MOP), open solenoid valve 12, crack second high-pressure ball valve 7 that opens makes the second tensimeter 5 times zero, adjusting treats that side valve uses mouth pressure and reach 0.1～0.5MPa, solenoid valve 12 is opened and closed with 10～50 times/minute frequencies, writing time and number of times do not meet the demands until treat that impermeability, discharge characteristic, the pressure characteristic of side valve are arbitrary.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although used some specific terms in this instructions, these terms do not consist of any restriction to the utility model just for convenience of description.
Claims (10)
1. low temperature pressure regulator valve performance detecting system, it is characterized in that: comprise air inlet pipeline, downtake pipe road and data processing and control system, described air inlet pipeline is used for to treating the side valve air inlet, treat that the gas in side valve passes through the road discharge of described downtake pipe, the first tensimeter is set on described air inlet pipeline, described downtake pipe arranges the second tensimeter on the road, between described the first tensimeter and described air inlet pipeline air intake opening, the first high-pressure ball valve is set, between the exhausr port on described the second tensimeter and described downtake pipe road, the second high-pressure ball valve is set, between the exhausr port on described the second high-pressure ball valve and described downtake pipe road, flowmeter is set, described flowmeter is electrically connected to described data processing and control system, described the second high-pressure ball valve is parallel with the high pressure throttling valve.
2. low temperature pressure regulator valve performance detecting system according to claim 1, it is characterized in that: described downtake pipe road also is parallel with the second exhaust pipe road, the air intake opening on described second exhaust pipe road is arranged between described the second tensimeter and described the second high-pressure ball valve, described second exhaust pipe Lu Shangcong air intake opening arranges third high pressure ball valve and solenoid valve to the exhausr port order, and described third high pressure ball valve is electrically connected to described data processing and control system.
3. low temperature pressure regulator valve performance detecting system according to claim 2, it is characterized in that: described second exhaust pipe road also is parallel with the 3rd gas exhaust piping, the air intake opening of described the 3rd gas exhaust piping is arranged between described third high pressure ball valve and described solenoid valve, on described the 3rd gas exhaust piping, high pressure needle valve is set.
4. low temperature pressure regulator valve performance detecting system according to claim 1, it is characterized in that: described the first tensimeter and treat also to arrange between side valve the first pressure transducer and the first temperature sensor, described the first pressure transducer and described the first temperature sensor all are electrically connected to described data processing and control system.
5. low temperature pressure regulator valve performance detecting system according to claim 1, it is characterized in that: described the second high-pressure ball valve and treat to arrange between side valve the second pressure transducer and the second temperature sensor, described the second pressure transducer and described the second temperature sensor all are electrically connected to described data processing and control system.
6. according to claim 1～5 arbitrary described low temperature pressure regulator valve performance detecting systems, it is characterized in that: between described the first tensimeter and described the first high-pressure ball valve, the high pressure air governor ball valve is set, between described high pressure air governor ball valve and described the first high-pressure ball valve, the 3rd tensimeter is set.
7. low temperature pressure regulator valve performance detecting system according to claim 6, it is characterized in that: the first buffering pipeline is set between described high pressure air governor ball valve and described the 3rd tensimeter, the two ends of described the first buffering pipeline connect respectively the first surge tank and described air inlet pipeline, and third high pressure ball valve is set between described the first surge tank and described air inlet pipeline.
8. low temperature pressure regulator valve performance detecting system according to claim 7, is characterized in that: between described the first buffering pipeline and described the 3rd tensimeter, reduction valve is set.
9. low temperature pressure regulator valve performance detecting system according to claim 8, it is characterized in that: between described reduction valve and described the 3rd tensimeter, overflow passage is set, the two ends of described overflow passage connect respectively safety overflow valve and air inlet pipeline.
10. low temperature pressure regulator valve performance detecting system according to claim 9, it is characterized in that: the second buffering pipeline is set between described overflow passage and described the 3rd tensimeter, the two ends of described the second buffering pipeline connect respectively the second surge tank and described air inlet pipeline, between described the second surge tank and described air inlet pipeline, the 4th high-pressure ball valve are set.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103698078A (en) * | 2013-12-20 | 2014-04-02 | 中国北方车辆研究所 | Device for testing pressure of pressure valve of power battery in opening process |
| CN103884479A (en) * | 2014-04-11 | 2014-06-25 | 慈溪市三洋电子有限公司 | Method and system for testing sealing performance of valve |
| CN103954441A (en) * | 2014-04-25 | 2014-07-30 | 武汉工程大学 | Device and method for detecting and testing high-temperature valve based on air heating system |
| CN104215437A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Performance detecting system for low-temperature pressure regulating valve |
| CN104266809A (en) * | 2014-09-16 | 2015-01-07 | 中国人民解放军武汉军械士官学校 | Portable extra-high-pressure pneumatic system failure detection equipment and detection method |
| CN106872155A (en) * | 2017-01-20 | 2017-06-20 | 合肥通用机械研究院 | A kind of performance of exhaust valve test system and method for testing |
| CN108286625A (en) * | 2018-01-22 | 2018-07-17 | 博纳斯威阀门股份有限公司 | A kind of detection device of air bleeding valve |
| CN108680313A (en) * | 2018-03-30 | 2018-10-19 | 杭州巴固机械制造有限公司 | It is low to let out high envelope valve test method |
| CN108871741A (en) * | 2018-04-28 | 2018-11-23 | 上海齐耀动力技术有限公司 | A kind of Subzero valve low-temperature test clamping device and its method |
| CN109470469A (en) * | 2019-01-11 | 2019-03-15 | 成都川力智能流体设备股份有限公司 | The automatic test line system of building regulation boxes |
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| CN104215437A (en) * | 2013-05-30 | 2014-12-17 | 宁波富华阀门有限公司 | Performance detecting system for low-temperature pressure regulating valve |
| CN103698078A (en) * | 2013-12-20 | 2014-04-02 | 中国北方车辆研究所 | Device for testing pressure of pressure valve of power battery in opening process |
| CN103884479A (en) * | 2014-04-11 | 2014-06-25 | 慈溪市三洋电子有限公司 | Method and system for testing sealing performance of valve |
| CN103954441A (en) * | 2014-04-25 | 2014-07-30 | 武汉工程大学 | Device and method for detecting and testing high-temperature valve based on air heating system |
| CN104266809A (en) * | 2014-09-16 | 2015-01-07 | 中国人民解放军武汉军械士官学校 | Portable extra-high-pressure pneumatic system failure detection equipment and detection method |
| CN106872155A (en) * | 2017-01-20 | 2017-06-20 | 合肥通用机械研究院 | A kind of performance of exhaust valve test system and method for testing |
| CN108286625A (en) * | 2018-01-22 | 2018-07-17 | 博纳斯威阀门股份有限公司 | A kind of detection device of air bleeding valve |
| CN108286625B (en) * | 2018-01-22 | 2024-05-28 | 博纳斯威阀门股份有限公司 | Exhaust valve detection device |
| CN108680313A (en) * | 2018-03-30 | 2018-10-19 | 杭州巴固机械制造有限公司 | It is low to let out high envelope valve test method |
| CN108871741A (en) * | 2018-04-28 | 2018-11-23 | 上海齐耀动力技术有限公司 | A kind of Subzero valve low-temperature test clamping device and its method |
| CN108871741B (en) * | 2018-04-28 | 2023-03-14 | 上海齐耀动力技术有限公司 | Low-temperature valve low-temperature test clamping device and method thereof |
| CN109470469A (en) * | 2019-01-11 | 2019-03-15 | 成都川力智能流体设备股份有限公司 | The automatic test line system of building regulation boxes |
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