CN103808504A - Low temperature resistance test system - Google Patents
Low temperature resistance test system Download PDFInfo
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- CN103808504A CN103808504A CN201410071594.5A CN201410071594A CN103808504A CN 103808504 A CN103808504 A CN 103808504A CN 201410071594 A CN201410071594 A CN 201410071594A CN 103808504 A CN103808504 A CN 103808504A
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- mounting groove
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Abstract
The invention discloses a low temperature resistance test system. The low temperature resistance test system comprises a sealing experimental box, the experimental box comprises a mounting groove with an opening at one end, the opening end of the mounting groove is provided with a thermal insulation cover, the thermal insulation cover fully seals the opening of the mounting groove, a valve is arranged in the mounting groove, an inlet of the valve is connected with a helium tank, an outlet of the valve is connected with a water tank, both the helium tank and the water tank are arranged outside the experimental box, a temperature sensor is arranged in the valve in the experimental box and connected with a temperature recorder, and the temperature recorder is arranged outside the experimental box. The system is simple in structure and accurate and efficient in test, can perform a low temperature resistance test for valves in batch, and solves the problems of complex equipment structure, high using cost and difficulty of the test for valves in batch due to the fact that existing valve physical characteristic tests are performed through large equipment.
Description
Technical field
The present invention relates to a kind of system, especially relate to a kind of system of low temperature resistant experiment.
Background technology
Valve is the control assembly in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of fluid control systems, from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are quite various.The good valve of work can be used for controlling flowing of all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.Valve is also divided into cast iron valve according to material, cast steel valve, stainless valve, chrome-molybdenum steel valve, Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve, the nonstandard customized valve material that waits.Valve is in fluid system, and the good valve of device work that is used for controlling direction, pressure, the flow of fluid is the device that medium (liquid, gas, powder) in pipe arrangement and equipment is flowed or stop and controlling its flow.The inside nominal diameter of valve reaches greatly the industrial pipeline valve of 10m to latus rectum from atomic little gauge valve.Valve can be used for controlling all kinds such as water, steam, oil product, gas, mud, various Korrosionsmedium, liquid metal and radioactive fluid and fluidly flows, the working pressure of valve can be from 0.0013MPa to 1000MPa UHV (ultra-high voltage), working temperature is from the high temperature of the ultralow temperature to 1430 of-270 ℃ ℃.The control of valve can adopt the multiple kind of drive, as manual, electronic, surge, pneumatic, turbine, electromagnetic driven, electromagnetism surge, electricity surges, air-or liquid-operated, spur gear, conical gear driving etc.; Can be under the effect of pressure, temperature or other form transducing signal, by predetermined requirement action, or do not rely on transducing signal and simply open or close, valve relies on driving or automechanism to make opening and closing element do lifting, slippage, swing or gyration, thereby the size that changes its flow area is to realize its control function.In oil delivery, need repeatedly how to use dissimilar valve, and petroleum pipe line is generally the field severe at environment, require high to the physical characteristics of valve, otherwise easily there is defective valve or other problem, cause economic loss and security incident, and existing valve physical characteristics mensuration is all to measure by main equipment, device structure complexity, and the cost using is high, be unfavorable for the batch of valve to measure.
Summary of the invention
The object of the invention is to overcome above-mentioned existing valve physical characteristics mensuration is all to measure by main equipment, device structure complexity, and the cost using is high, be unfavorable for the problem that the batch of valve is measured, design a kind of system of low temperature resistant experiment, this system architecture is simple, can carry out low temperature resistant mensuration to valve in batches, test accurately, determination efficiency is high, and having solved existing valve physical characteristics mensuration is all to measure by main equipment, device structure complexity, and the cost using is high, be unfavorable for the problem that the batch of valve is measured.
Object of the present invention is achieved through the following technical solutions: a kind of system of low temperature resistant experiment, comprise the experimental box of sealing, described experimental box comprises the mounting groove of an end opening, the openend of mounting groove is provided with insulation cover, insulation cover seals the opening of mounting groove completely, in mounting groove, be provided with valve, the air intake opening of valve is connected with helium tank, the gas outlet of valve is connected with water tank, helium tank and water tank are all arranged on experimental box outside, in experimental box, be provided with temperature sensor, temperature sensor is arranged in valve, and temperature sensor is connected with moisture recorder, moisture recorder is arranged on experimental box outside.
The quantity of temperature sensor is four, and four temperature sensors are all connected with moisture recorder, and wherein three are arranged in experimental box, and another is arranged on experimental box outside.
Between helium tank and the air intake opening of valve, be provided with spiral coil cooling tube, and the two ends of spiral coil cooling tube are communicated with the air intake opening of helium tank and valve respectively, spiral coil cooling tube is communicated with tensimeter one.
Between the gas outlet of valve and water tank, be provided with gas outlet, the two ends of gas outlet are communicated with gas outlet and the water tank of valve respectively.
Gas outlet is communicated with tensimeter two, gas meter and spinner-type flowmeter, and gas meter is arranged between tensimeter two and spinner-type flowmeter, and spinner-type flowmeter is near water tank.
In sum, the invention has the beneficial effects as follows: this system architecture is simple, can carry out low temperature resistant mensuration to valve in batches, test accurately, determination efficiency is high, and having solved existing valve physical characteristics mensuration is all to measure by main equipment, device structure complexity, and the cost using is high, be unfavorable for the problem that the batch of valve is measured.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Mark and corresponding parts title in accompanying drawing: 1-helium tank; 2-spiral coil cooling tube; 3-tensimeter one; 4-moisture recorder; 5-temperature sensor one; 6-tensimeter two; 7-gas meter; 8-spinner-type flowmeter; 9-water tank; 10-gas outlet; 11-temperature sensor two; 12-insulation cover; 13-temperature sensor three; 14-temperature sensor four; 15-valve; 16-mounting groove.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of system of low temperature resistant experiment, comprise the experimental box of sealing, described experimental box comprises the mounting groove 16 of an end opening, the openend of mounting groove 16 is provided with insulation cover 12, insulation cover 12 seals the opening of mounting groove 16 completely, in mounting groove 16, be provided with valve 15, the air intake opening of valve 15 is connected with helium tank 1, the gas outlet of valve 15 is connected with water tank 9, helium tank 1 and water tank 9 are all arranged on experimental box outside, in experimental box, be provided with temperature sensor, temperature sensor is arranged in valve 15, and temperature sensor is connected with moisture recorder 4, moisture recorder 4 is arranged on experimental box outside.Mounting groove 16 adopts anti-low temperature test groove, utilize insulation cover 12 to seal up mounting groove 16, keep the low temperature of mounting groove 16 inside, and valve is placed in mounting groove 16, passing into helium blows away after the air in mounting groove 16, then helium continues to emit, measure after flow and stable gas pressure, utilize the temperature sensor of diverse location to record the temperature of valve diverse location, for oil valve installation obtains enough parameters in different field environments, be convenient to valve and can bear in actual use rugged environment, guarantee the serviceable life of valve, guarantee the safety of oil delivery, having solved existing valve physical characteristics mensuration is all to measure by main equipment, device structure complexity, and the cost using is high, be unfavorable for the problem that the batch of valve is measured.
Embodiment 2:
As shown in Figure 1, the quantity of temperature sensor is four, and four temperature sensors are all connected with moisture recorder 4, and wherein three are arranged in experimental box, and another is arranged on experimental box outside.For convenience of describing, by four temperature sensors successively called after temperature sensor 1, temperature sensor 2 11, temperature sensor 3 13 and temperature sensor 4 14, wherein temperature sensor 1 is arranged on experimental box outside, be used for measuring room temperature, the temperature recording is delivered in moisture recorder 4 and shows, temperature sensor 2 11 is arranged in valve, measure the temperature in valve packing district, the temperature recording is delivered in moisture recorder 4 and shows, temperature sensor 3 13 is arranged on valve surface, measure the temperature of valve body, the temperature recording is delivered in moisture recorder 4 and shows, temperature sensor 4 14 is arranged on valve internal, measure valve ball, the temperature of flap, the temperature recording is delivered in moisture recorder 4 and shows, the temperature of the different sensors that operating personnel show by moisture recorder 4, obtain the cryophylactic experiment of valve, record the parameter of valve diverse location to low temperature, the most suitable valve installation uses in the wild.
Between the air intake opening of helium tank 1 and valve 15, be provided with spiral coil cooling tube 2, and the two ends of spiral coil cooling tube 2 are communicated with the air intake opening of helium tank 1 and valve 15 respectively, spiral coil cooling tube 2 is communicated with tensimeter 1.The helium storing in helium tank 1 is all generally low-temperature liquefaction form, and the helium obtaining in experimental box need to remain on gas form, therefore this programme has adopted spiral coil cooling tube 2, utilize the bending shape of spiral coil cooling tube 2, the helium of liquefaction is gasified gradually, can be too not low and stablize, guarantee low temperature test.
Between the gas outlet of valve 15 and water tank 9, be provided with gas outlet 10, the two ends of gas outlet 10 are communicated with gas outlet and the water tank 9 of valve 15 respectively.Gas outlet 10 is communicated with tensimeter 26, gas meter 7 and spinner-type flowmeter 8, and gas meter 7 is arranged between tensimeter 26 and spinner-type flowmeter 8, and spinner-type flowmeter 8 is near water tank 9.Gas meter is the instrument of metering gas flow.Be arranged on the gas flow that in pipeline, recorded stream is crossed, belong to existing parts, in the technical program, installing gas flowmeter 7, for measuring the flow of the helium that gas outlet 10 passes through, to be convenient to the valve physical property in mensuration system to measure, helium belongs to inert gas, utilize helium to blow out the air in valve, make the degree of accuracy of mensuration higher.Spinner-type flowmeter, claim again suspended body flowmeter, the device of flow is calculated in (position) that is located at the rotatable parts in direct current pipeline by measurement, in the technical program, by spinner-type flowmeter 8 is set, gas flow is further measured, make valve physical parameter measurement more accurate, helium in water tank is collected by collection tube after washing, and is convenient to material and reclaims.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (5)
1. the system of a low temperature resistant experiment, it is characterized in that: the experimental box that comprises sealing, described experimental box comprises the mounting groove (16) of an end opening, the openend of mounting groove (16) is provided with insulation cover (12), insulation cover (12) seals the opening of mounting groove (16) completely, in mounting groove (16), be provided with valve (15), the air intake opening of valve (15) is connected with helium tank (1), the gas outlet of valve (15) is connected with water tank (9), helium tank (1) and water tank (9) are all arranged on experimental box outside, in experimental box, be provided with temperature sensor, temperature sensor is arranged in valve (15), and temperature sensor is connected with moisture recorder (4), moisture recorder (4) is arranged on experimental box outside.
2. the system of a kind of low temperature resistant experiment according to claim 1, it is characterized in that: the quantity of described temperature sensor is four, four temperature sensors are all connected with moisture recorder (4), and wherein three are arranged in experimental box, and another is arranged on experimental box outside.
3. the system of a kind of low temperature resistant experiment according to claim 1, it is characterized in that: between described helium tank (1) and the air intake opening of valve (15), be provided with spiral coil cooling tube (2), and the two ends of spiral coil cooling tube (2) are communicated with the air intake opening of helium tank (1) and valve (15) respectively, and spiral coil cooling tube (2) is communicated with tensimeter one (3).
4. the system of a kind of low temperature resistant experiment according to claim 1, it is characterized in that: between the gas outlet of described valve (15) and water tank (9), be provided with gas outlet (10), the two ends of gas outlet (10) are communicated with gas outlet and the water tank (9) of valve (15) respectively.
5. the system of a kind of low temperature resistant experiment according to claim 4, it is characterized in that: described gas outlet (10) is communicated with tensimeter two (6), gas meter (7) and spinner-type flowmeter (8), and gas meter (7) is arranged between tensimeter two (6) and spinner-type flowmeter (8), spinner-type flowmeter (8) is near water tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071594.5A CN103808504A (en) | 2014-02-28 | 2014-02-28 | Low temperature resistance test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071594.5A CN103808504A (en) | 2014-02-28 | 2014-02-28 | Low temperature resistance test system |
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| CN103808504A true CN103808504A (en) | 2014-05-21 |
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| CN201410071594.5A Pending CN103808504A (en) | 2014-02-28 | 2014-02-28 | Low temperature resistance test system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040058463A (en) * | 2002-12-27 | 2004-07-05 | 한전기공주식회사 | Apparatus for test of temperature regulation valve of contingency dieselgenerator |
| CN1825081A (en) * | 2006-03-28 | 2006-08-30 | 保一集团有限公司 | Low temp. valve performance measuring system based on computer data acquiring |
| WO2010058880A1 (en) * | 2008-11-24 | 2010-05-27 | Korea Hydro & Nuclear Power Co., Ltd. | Test apparatus and method for safety valve |
| CN202522399U (en) * | 2012-03-28 | 2012-11-07 | 江苏大学 | Test system for waterpower characteristic of rotary nozzle |
| CN203432794U (en) * | 2013-09-02 | 2014-02-12 | 上海开维喜阀门集团有限公司 | Large-scale environmental simulation test device for testing pipeline ball valve |
| CN203745193U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | System for carrying out low temperature resistance experiment on valve quality |
-
2014
- 2014-02-28 CN CN201410071594.5A patent/CN103808504A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040058463A (en) * | 2002-12-27 | 2004-07-05 | 한전기공주식회사 | Apparatus for test of temperature regulation valve of contingency dieselgenerator |
| CN1825081A (en) * | 2006-03-28 | 2006-08-30 | 保一集团有限公司 | Low temp. valve performance measuring system based on computer data acquiring |
| WO2010058880A1 (en) * | 2008-11-24 | 2010-05-27 | Korea Hydro & Nuclear Power Co., Ltd. | Test apparatus and method for safety valve |
| CN202522399U (en) * | 2012-03-28 | 2012-11-07 | 江苏大学 | Test system for waterpower characteristic of rotary nozzle |
| CN203432794U (en) * | 2013-09-02 | 2014-02-12 | 上海开维喜阀门集团有限公司 | Large-scale environmental simulation test device for testing pipeline ball valve |
| CN203745193U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | System for carrying out low temperature resistance experiment on valve quality |
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Application publication date: 20140521 |