CN204535977U - A kind of performance test apparatus of high-speed ventilation valve - Google Patents
A kind of performance test apparatus of high-speed ventilation valve Download PDFInfo
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- CN204535977U CN204535977U CN201520258182.2U CN201520258182U CN204535977U CN 204535977 U CN204535977 U CN 204535977U CN 201520258182 U CN201520258182 U CN 201520258182U CN 204535977 U CN204535977 U CN 204535977U
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Abstract
The utility model discloses a kind of high-speed ventilation valve performance test apparatus, comprise air drum, air drum top is provided with Connection Block, air drum inside is connected with the first U-shaped measuring cell of mark with a scale, air drum is provided with draft tube, and draft tube is provided with gas admittance valve, pressure regulation reliever and flow control valve successively along airintake direction, and air drum is provided with the rain glass measuring air pressure inside, air drum is provided with gas outlet, and gas outlet is provided with vent valve.This test unit is for testing unlatching and the blow pressure value of high-speed ventilation valve upward pressure valve portion.
Description
Technical field
The utility model relates to a kind of performance test apparatus of high-speed ventilation valve.
Background technology
High-speed ventilation valve is mainly arranged on the permeability cell of oil carrier, chemical tanker, is sole inlet and the outlet of cargo tank.It is the oil cargo tank gas permeable devices of vacuum valve, pressure valve gravity type automatic pressure control size integrally.Boats and ships are when loading liquid goods and storm ballast, pressure valve in high-speed ventilation valve is opened, with the velocity of discharge being greater than 30m/s, the flammable liquid goods Steam/air mixture in cargo tank is vertically upward sprayed, and in high-altitude by atmospheric dilution, dissipation and liquid goods deck can not be settled down to; When unloading discharge opeing goods, the vacuum valve in high-speed ventilation valve is opened, and can supplement air safely in cabin, to avoid producing excessive vacuum in cabin, produces steel plate deformed; When ship's navigation, high-speed ventilation valve can regulate the fluctuation of pressure in the cabin that causes due to temperature variation automatically.When the condition of a fire appears in oil carrier deck, high-speed ventilation valve can stop extraneous flame to enter shielded cabin.Without flutter in use procedure, without clashing into, its performance safety is reliable.
High-speed ventilation valve product, before dispatching from the factory, all must carry out pressure valve, the unlatching of vacuum valve and the test of blow pressure value, and pressure valve, vacuum valve valve disc, valve base sealing pair when pressure is 80% of setting opening pressure value leakage rate detect.Therefore this kind of test detecting equipment should be that high-speed ventilation valve production enterprise must one of obligato checkout equipment, but is applicable to the ultralow air pressure of high-speed ventilation valve, and the equipment of positive/negative pressure token test there is no professional enterprise at home and abroad and produces.
Utility model content
Technical problem to be solved in the utility model is: the test unit providing a kind of unlatching and blow pressure value for testing high-speed ventilation valve upward pressure valve portion.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of high-speed ventilation valve performance test apparatus, comprise air drum, air drum top is provided with Connection Block, air drum inside is connected with the first U-shaped measuring cell of mark with a scale, air drum is provided with draft tube, draft tube is provided with gas admittance valve, pressure regulation reliever and flow control valve successively along airintake direction, air drum is provided with the rain glass measuring air pressure inside, air drum is provided with gas outlet, and gas outlet is provided with vent valve.
The further technical matters to be solved of the utility model is: provide a kind of test unit for detected pressures valve, vacuum valve leakage rate of valve disc, valve base sealing pair when pressure is 80% of setting opening pressure value.
For solving above-mentioned further technical matters, the technical scheme that the utility model adopts is: also comprise two transparent Leak Detection water tanks, wireway is respectively equipped with in two Leak Detection water tanks, wherein the end of a wireway is provided with the drainage hood be removably tightly connected with pressure relief opening on valve to be checked, and end and the enterprising gas port of valve to be checked of another root wireway are removably tightly connected.
The further technical matters to be solved of the utility model is: the test unit providing a kind of unlatching for testing vacuum valve part on high-speed ventilation valve and blow pressure value.
For solving above-mentioned further technical matters, the technical scheme that the utility model adopts is: also comprise water storage cylinder, water storage cylinder top is provided with Connection Block, water storage cylinder top is provided with aeration valve, water storage cylinder is provided with the gauge glass of display water level inside, water storage cylinder internal upper part is connected with the second U-shaped measuring cell of mark with a scale, connecting pipe is provided with bottom water storage cylinder, connecting pipe is connected with rising pipe with water inlet pipe respectively by threeway, water inlet pipe is finally all connected with cyclic water tank with rising pipe, water inlet pipe is provided with water intaking valve, the immersed pump be connected with water inlet pipe is provided with in cyclic water tank, rising pipe is provided with water drain valve.
As the preferred scheme of one, the Connection Block on described air drum is connected with threeway seat by the pipeline being provided with operation valve respectively with the Connection Block in water storage cylinder.
As the preferred scheme of another kind, the Connection Block on described air drum is connected with additional reservoir by the pipeline being provided with operation valve respectively with the Connection Block in water storage cylinder, and additional reservoir is provided with valve housing to be checked.
The beneficial effects of the utility model are: this apparatus structure is simple, easy to operate, and test indicating value intuitive is good.Pressure valve, vacuum valve open and close steadily, and sensitivity is high, without hammering when valve disc valve base sealing pair opens and closes, and sealing surface fanout free region in process of the test thus obtain best experiment effect.
In addition, vacuum valve opening pressure and blow pressure test use design water circulation to vacuumize, and do not need vacuum pump to vacuumize as power source, thus make that plant investment is little, energy consumption is low, avoid the waste of water resource simultaneously; Test overall process noiselessness, the energy-conserving and environment-protective of implement device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is pressure valve opening pressure value and blow pressure value test schematic diagram.
Fig. 3 is vacuum valve opening pressure value and blow pressure value test schematic diagram.
Fig. 4 is vacuum valve and pressure valve leakage rate test schematic diagram.
Fig. 5 is the schematic diagram that Connection Block is connected with threeway seat by the pipeline being provided with operation valve respectively with the Connection Block in water storage cylinder.
Fig. 6 is the schematic diagram that the Connection Block on air drum is connected with additional reservoir by the pipeline being provided with operation valve respectively with the Connection Block in water storage cylinder.
In Fig. 1 to Fig. 6: 1, air drum, 2. Connection Block, 3. the first U-shaped measuring cell, 4. draft tube, 5. gas admittance valve, 6. pressure regulation reliever, 7. flow control valve, 8. rain glass, 9. gas outlet, 10. vent valve, 11. Leak Detection water tanks, 12. wireways, 13. drainage hoods, 14. Leak Detection water tanks, 15. water storage cylinder, 16. Connection Blocks, 17. aeration valves, 18. gauge glasss, 19. second U-shaped measuring cells, 20. connecting pipes, 21. water inlet pipes, 22. rising pipes, 23. cyclic water tanks, 24. water intaking valves, 25. immersed pumps, 26. water drain valves, 27. threeway seats, 28. additional reservoirs, 29. valve housings to be checked.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As Figure 1-3, a kind of high-speed ventilation valve performance test apparatus, comprise air drum 1, air drum 1 top is provided with Connection Block 2, and air drum 1 inside is connected with the first U-shaped measuring cell 3 of mark with a scale, and air drum 1 is provided with draft tube 4, draft tube 4 is provided with gas admittance valve 5, pressure regulation reliever 6 and flow control valve 7 successively along airintake direction, air drum 1 is provided with the rain glass 8 measuring air pressure inside, and air drum 1 is provided with gas outlet 9, and gas outlet 9 is provided with vent valve 10.
Also comprise water storage cylinder 15, water storage cylinder 15 top is provided with Connection Block 16, water storage cylinder 15 top is provided with aeration valve 17, water storage cylinder 15 is provided with the gauge glass 18 of display water level inside, water storage cylinder 15 internal upper part is connected with the second U-shaped measuring cell 19 of mark with a scale, connecting pipe 20 is provided with bottom water storage cylinder 15, connecting pipe 20 is connected with rising pipe 22 with water inlet pipe 21 respectively by threeway, water inlet pipe 21 is finally all connected with cyclic water tank 23 with rising pipe 22, water inlet pipe 21 is provided with water intaking valve 24, the immersed pump 25 be connected with water inlet pipe 21 is provided with in cyclic water tank 23, rising pipe 22 is provided with water drain valve 26.
As shown in Figure 4, also comprise transparent two Leak Detection water tanks 11,14, wireway 12 is respectively equipped with in two Leak Detection water tanks 11,14, wherein the end of a wireway 12 is provided with the drainage hood 13 be removably tightly connected with pressure relief opening on valve to be checked, and end and the enterprising gas port of valve to be checked of another root wireway 12 are removably tightly connected.
The pressure valve that said apparatus is applicable to little latus rectum high-speed ventilation valve opens (opening pressure is less than 0.02Mpa) and vacuum valve negative pressure unlatching (opening pressure is greater than-0.007Mpa) attribute testing, and the leakage measuring of pressure valve and vacuum valve valve disc, valve base sealing pair when pressure≤80% sets opening pressure value.
Pressure valve opening pressure value and blow pressure value experiment process as follows: as shown in Figure 2, pet valve is arranged on air drum 1 top, in adjustment the first U-shaped measuring cell 3 coloured water level upper to it appended by the zero line of scale.Open gas admittance valve 5, regulate decompression regulator that inlet compression air pressure is decompressed to 0.1 ~ 0.15Mpa.Then promote speed turn-on flow rate variable valve 7 gradually by the air inlet of regulation, air drum 1 internal gas pressure steadily rises, and in the first U-shaped measuring cell 3, water level no longer rises now, can record the opening pressure value of pressure valve part.When in the U-shaped measuring cell 3 of closedown gas admittance valve 5, first, water level steadily drops to rapidly closing presure, stable level no longer declines at certain value, now can record the blow pressure value of pressure valve part.Above-mentioned test in triplicate and record.
Vacuum valve and pressure valve leakage rate experiment process as follows: open vent valve 10 lentamente and make the pressure drop in air drum 1 close rapidly vent valve 10 to during 80% opening pressure value after pressure valve opening pressure value and the test of blow pressure value.As shown in Figure 4, drainage hood 13 sealing shroud is located on the pressure relief opening of valve to be checked, the end of another wireway 12 and the enterprising gas port of valve to be checked are removably tightly connected, observe and record the bubbles volume of appearance per minute in two place's glass water tanks.
Open vent valve 10 after above-mentioned off-test, air drum 1 internal gas pressure is down to zero and is then closed vent valve 10, unloads pet valve.
Vacuum valve opening pressure value and blow pressure value experiment process as follows: as shown in Figure 3, pet valve is arranged on water storage cylinder 15 top, adjust colored water bit line in the second U-shaped measuring cell 19 on the zero line of scale subsidiary on it, close water drain valve 26, open water intaking valve 24, then submersible pump is started to water filling in water storage cylinder 15, to the spacing line of gauge glass 18 peak level (on gauge glass 18, the spacing line of peak level is not higher than 2/3 place of water storage cylinder 15 capacity), turn off submersible pump power supply and close water intaking valve 24.Then open water drain valve 26 gradually and now engender negative pressure in water storage cylinder 15, in second U-shaped measuring cell 19, coloured water level declines thereupon, until when negative pressure reaches vacuum valve opening pressure, its opening pressure value is recorded immediately when fluctuation up and down appears in water level in second U-shaped measuring cell 19, and close water drain valve 26 at once, until recording its blow pressure value after stable level in the second U-shaped measuring cell 19.Above-mentioned test in triplicate and record.
After off-test, open aeration valve 17 and make water storage cylinder 15 internal gas pressure return to zero, then close gas admittance valve 5, unload pet valve.
As shown in Figure 5, the Connection Block 2 on the air drum 1 on test unit is connected with threeway seat 27 respectively with the pipeline of the Connection Block 2 in water storage cylinder 15 also by being provided with operation valve, is applicable to the performance test of little latus rectum high-speed ventilation valve.
As shown in Figure 6, the Connection Block 2 on the air drum 1 on test unit is connected with additional reservoir 28 respectively with the pipeline of the Connection Block 2 in water storage cylinder 15 also by being provided with operation valve, and additional reservoir 28 is provided with valve housing 29 to be checked.Be applicable to the performance test of big orifice high-speed ventilation valve.Also the air-tight test that opening pressure is less than other valves of 7Mpa is applicable to after increasing additional reservoir 28.
The above embodiments are the principle of illustrative the invention and effect thereof only, and the embodiment that part is used, but not for limiting the utility model; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. a high-speed ventilation valve performance test apparatus, it is characterized in that: comprise air drum, air drum top is provided with Connection Block, air drum inside is connected with the first U-shaped measuring cell of mark with a scale, air drum is provided with draft tube, and draft tube is provided with gas admittance valve, pressure regulation reliever and flow control valve successively along airintake direction, and air drum is provided with the rain glass measuring air pressure inside, air drum is provided with gas outlet, and gas outlet is provided with vent valve.
2. a kind of high-speed ventilation valve performance test apparatus as claimed in claim 1, it is characterized in that: also comprise two transparent Leak Detection water tanks, wireway is respectively equipped with in two Leak Detection water tanks, wherein the end of a wireway is provided with the drainage hood be removably tightly connected with pressure relief opening on valve to be checked, and end and the enterprising gas port of valve to be checked of another root wireway are removably tightly connected.
3. a kind of high-speed ventilation valve performance test apparatus as claimed in claim 2, it is characterized in that: also comprise water storage cylinder, water storage cylinder top is provided with Connection Block, water storage cylinder top is provided with aeration valve, water storage cylinder is provided with the gauge glass of display water level inside, water storage cylinder internal upper part is connected with the second U-shaped measuring cell of mark with a scale, connecting pipe is provided with bottom water storage cylinder, connecting pipe is connected with rising pipe with water inlet pipe respectively by threeway, water inlet pipe is finally all connected with cyclic water tank with rising pipe, water inlet pipe is provided with water intaking valve, the immersed pump be connected with water inlet pipe is provided with in cyclic water tank, rising pipe is provided with water drain valve.
4. a kind of high-speed ventilation valve performance test apparatus as claimed in claim 3, is characterized in that: the Connection Block on described air drum is connected with threeway seat by the pipeline being provided with operation valve respectively with the Connection Block in water storage cylinder.
5. a kind of high-speed ventilation valve performance test apparatus as claimed in claim 3, it is characterized in that: the Connection Block on described air drum is connected with additional reservoir by the pipeline being provided with operation valve respectively with the Connection Block in water storage cylinder, additional reservoir is provided with valve housing to be checked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258182.2U CN204535977U (en) | 2015-04-27 | 2015-04-27 | A kind of performance test apparatus of high-speed ventilation valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520258182.2U CN204535977U (en) | 2015-04-27 | 2015-04-27 | A kind of performance test apparatus of high-speed ventilation valve |
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| CN204535977U true CN204535977U (en) | 2015-08-05 |
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| CN201520258182.2U Active CN204535977U (en) | 2015-04-27 | 2015-04-27 | A kind of performance test apparatus of high-speed ventilation valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849032A (en) * | 2015-04-27 | 2015-08-19 | 江苏沙洲阀门有限公司 | Performance test device for high-speed ventilation valve |
| CN105352725A (en) * | 2015-12-15 | 2016-02-24 | 天王电子（深圳）有限公司 | Diving watch automatic exhaust valve detection device |
| CN107202690A (en) * | 2017-07-25 | 2017-09-26 | 中建安装工程有限公司 | A kind of breather valve on-site calibration device and its application method |
| CN107894330A (en) * | 2017-11-06 | 2018-04-10 | 中船黄埔文冲船舶有限公司 | One kind breathing valve action test set and method |
-
2015
- 2015-04-27 CN CN201520258182.2U patent/CN204535977U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849032A (en) * | 2015-04-27 | 2015-08-19 | 江苏沙洲阀门有限公司 | Performance test device for high-speed ventilation valve |
| CN105352725A (en) * | 2015-12-15 | 2016-02-24 | 天王电子（深圳）有限公司 | Diving watch automatic exhaust valve detection device |
| CN107202690A (en) * | 2017-07-25 | 2017-09-26 | 中建安装工程有限公司 | A kind of breather valve on-site calibration device and its application method |
| CN107894330A (en) * | 2017-11-06 | 2018-04-10 | 中船黄埔文冲船舶有限公司 | One kind breathing valve action test set and method |
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