CN201339812Y - Novel air distributing device of fire retardant experiment of flame arrester in gas pipeline - Google Patents
Novel air distributing device of fire retardant experiment of flame arrester in gas pipeline Download PDFInfo
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- CN201339812Y CN201339812Y CNU2008202274078U CN200820227407U CN201339812Y CN 201339812 Y CN201339812 Y CN 201339812Y CN U2008202274078 U CNU2008202274078 U CN U2008202274078U CN 200820227407 U CN200820227407 U CN 200820227407U CN 201339812 Y CN201339812 Y CN 201339812Y
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- air distributing
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Abstract
The utility model relates to a novel air distributing device of a fire retardant experiment of a flame arrester in a gas pipeline, consisting of a vacuum pump, a vacuum pressure gauge, an experimental pipeline, the flame arrester, a flange cover plate, a natural gas inlet valve, a natural gas flow meter, an air inlet valve, an air flow meter, an air distributing tank, a mixed gas inlet valve, a pressure gage and an exhaust valve; wherein, the air distributing tank is provided with a vertical cylinder-shaped pressure vessel tank; the experimental pipeline is a horizontal pipeline, the front and the rear ends of which are provided with the flange cover plate, and the middle part thereof is connected with the flame arrester; the mixed gas inlet valve and the exhaust valve are sequentially arranged at the bottom of the experimental pipeline at the right side of the left flange cover plate, and the mixed gas inlet valve is connected with the peripheral side of the upper part in the air distributing tank by the pipeline; the exhaust valve is connected with the vacuum pump by the pipeline, one side at the periphery of the lower part in the air distributing tank is provided with the natural gas inlet valve, the natural gas flow meter is arranged in front of the valve, the air inlet valve is arranged under the valve, the air flow meter is arranged in front of the valve, and the peripheral side of the lower part of the air distributing tank is provided with the exhaust valve which is connected with the vacuum pump.
Description
One, technical field
The utility model relates to a kind of flame trap back-fire relief experiment air distributing device, and specifically a kind of gas tube flame trap back-fire relief is tested new-type air distributing device.
Two, background technique
The special-purpose flame trap of gas tube is to utilize custom-designed a kind of safety installations at coal mine gas, stops issuable flame to be propagated along gas tube, so that effectively protect the safety of all devices and source of the gas in the gas transmission pipeline network.
The back-fire relief performance of the special-purpose flame trap of gas tube was must be through verifying before coming into operation.In the proof procedure that carries out flame trap back-fire relief performance, therefore manufactory can select the form of simulation that the back-fire relief performance of the special-purpose flame trap of gas tube is verified because of obtaining the suitable source of the gas that satisfies the gas explosion condition.What originally use is flow distribution method, this method is with rock gas injection experiments pipe, utilize circulation means that the rock gas and the air mixing of injection experiments pipeline are reached explosion condition, the electricity consumption cap sensitive is tested the flame trap back-fire relief, this method experiment flow complexity, poor air-tightness, experimental period length, weak effect, efficient are low.
Three, summary of the invention
The purpose of this utility model provides a kind of gas tube flame trap back-fire relief and tests new-type air distributing device, solves the flow process complexity that throughput distribution method exists, poor air-tightness, experimental period length, weak effect, inefficient problem.
The technical solution of the utility model realizes in the following manner:
The utility model is by vacuum pump, pressure vacuum gauge, experiment pipeline, flame trap, flange plate, rock gas suction valve, natural gas flowmeter, air inlet valve, Air flow meter, distribution jar, mixed gas suction valve, pressure gauge and outlet valve are formed, and it is characterized in that the distribution jar is made as the vertical and cylindrical pressure volume pot; The experiment pipeline is horizontal pipeline section, the front end and back end is provided with flange plate, the middle part is connected with flame trap, be provided with a mixed gas suction valve and an outlet valve in experiment pipeline bottom, left flange plate right side by preface, the mixed gas suction valve is connected with distribution jar middle and upper part week side by pipeline, and connecting line is provided with pressure gauge; Outlet valve is connected with vacuum pump by pipeline, and connecting line is provided with pressure vacuum gauge; Side is provided with a rock gas suction valve Monday outside the distribution jar middle and lower part, be provided with a natural gas flowmeter before the valve, rock gas suction valve bottom is provided with an air inlet valve, be provided with an Air flow meter before the valve, distribution jar bottom week side is provided with an outlet valve, outlet valve is connected with vacuum pump, and the connecting line higher level is provided with pressure vacuum gauge.
The utility model has mainly embodied the advantage of following several respects in carrying out the real fine horse process of the special-purpose flame trap back-fire relief of gas tube:
1, the vacuumizing method of gas distribution system employing, make the gas concentration of institute's proportioning accurate, when changing other concentration or composition mixed gas, can not influence matched proportion density or composition because residual assorted gas is arranged yet, can also shift to an earlier date distribution, at any time can get gas and experimentize, improve the efficient of experiment.
2, the vacuumizing method of experiment pipeline employing, the water vapour that chemical reaction generates when making last experiment the and other residual gas are thorough to be got rid of totally, when testing, makes laboratory data and effect can not be subjected to the influence of residual gas next time, and laboratory data is accurate.
3, in this new-type gas distribution system, the gas that proportioning is good directly can be charged in the evacuated experiment pipeline, replace original flow distribution method, utilize circulation means the rock gas of injection and the mode of air mixing with rock gas injection experiments pipeline.Reduce cycle equipment, experimental cost is reduced, reduce, the tightness of experiment pipeline is strengthened, simultaneously, do not need each experiment all to carry out gas circulation, save time, raise the efficiency because of increasing the many places flange connecting port that recycle unit is provided with.
Four, description of drawings
Accompanying drawing is a kind of structural representation of the present utility model
1-vacuum pump 2-pressure vacuum gauge 3-experiment pipeline 4-flame trap 5-flange plate 6-rock gas suction valve 7-natural gas flowmeter 8-air inlet valve 9-Air flow meter 10-distribution jar 11-pressure gauge 12-mixed gas suction valve 13-outlet valve among the figure
Five, embodiment
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model is by vacuum pump 1, pressure vacuum gauge 2, experiment pipeline 3, flame trap 4, flange plate 5, rock gas suction valve 6, natural gas flowmeter 7, air inlet valve 8, Air flow meter 9, distribution jar 10, mixed gas suction valve 12, pressure gauge 11 and outlet valve 13 constituent elements is characterized in that distribution jar 10 is made as the vertical and cylindrical pressure volume pot; Experiment pipeline 3 is horizontal pipeline section, the front end and back end is provided with flange plate 5, the middle part is connected with flame trap 4, be provided with a mixed gas suction valve 12 and an outlet valve 13 in experiment pipeline bottom, left flange plate right side by preface, the mixed gas suction valve is connected with distribution jar middle and upper part week side by pipeline, and connecting line is provided with pressure gauge 11; Outlet valve is connected with vacuum pump 1 by pipeline, and connecting line is provided with pressure vacuum gauge 2; Side is provided with a rock gas suction valve 6 Monday outside the distribution jar middle and lower part, be provided with a natural gas flowmeter 7 before the valve, rock gas suction valve bottom is provided with an air inlet valve 8, be provided with an Air flow meter 9 before the valve, distribution jar bottom week side is provided with an outlet valve 13, outlet valve is connected with vacuum pump, and connecting line is provided with pressure vacuum gauge.
When using the utility model, at first to utilize rock gas and air mixing simulation gas explosion, as shown in the figure: the given volume of distribution jar 10, utilize vacuum pump 1 to be evacuated, show by pressure vacuum gauge 2, open valve 6,8, add rock gas and air consumption by calculating, show by flowmeter 7,9, after reaching the rock gas and air consumption of calculating, throttle down 6,8 makes rock gas and air utilize the unrestricted motion of molecule fully to mix in distribution jar 10, promptly static isobaric distribution method.
After treating that gas fully mixes, preparing experiment.The flange plate 5 of closing experiment pipeline tail end starts vacuum pump 1, to test in the pipeline 3 and be evacuated, show that by vacuum 2 pressure gauges throttle down 13 is opened valve 12, in experiment pipeline 3, add mixed gas, same by pressure gauge 11 display pipeline internal pressures, be full of mixed gas in the experiment pipeline 3 after, open the flange plate 5 of experiment pipeline tail end rapidly, by electric detonator initiation, carry out the back-fire relief experiment of the special-purpose flame trap of gas tube.Whether the check flame trap can be bottled up explosive flame.
Claims (1)
1, a kind of gas tube flame trap back-fire relief is tested new-type air distributing device, by vacuum pump, pressure vacuum gauge, experiment pipeline, flame trap, flange plate, rock gas suction valve, natural gas flowmeter, air inlet valve, Air flow meter, distribution jar, mixed gas suction valve, pressure gauge and outlet valve are formed, and it is characterized in that the distribution jar is made as the vertical and cylindrical pressure volume pot; The experiment pipeline is horizontal pipeline section, the front end and back end is provided with flange plate, the middle part is connected with flame trap, be provided with a mixed gas suction valve and an outlet valve in experiment pipeline bottom, left flange plate right side by preface, the mixed gas suction valve is connected with distribution jar middle and upper part week side by pipeline, and connecting line is provided with pressure gauge; Outlet valve is connected with vacuum pump by pipeline, and connecting line is provided with pressure vacuum gauge; Side is provided with a rock gas suction valve Monday outside the distribution jar middle and lower part, be provided with a natural gas flowmeter before the valve, rock gas suction valve bottom is provided with an air inlet valve, be provided with an Air flow meter before the valve, distribution jar bottom week side is provided with an outlet valve, outlet valve is connected with vacuum pump, and the connecting line higher level is provided with pressure vacuum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202274078U CN201339812Y (en) | 2008-12-12 | 2008-12-12 | Novel air distributing device of fire retardant experiment of flame arrester in gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202274078U CN201339812Y (en) | 2008-12-12 | 2008-12-12 | Novel air distributing device of fire retardant experiment of flame arrester in gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339812Y true CN201339812Y (en) | 2009-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202274078U Expired - Fee Related CN201339812Y (en) | 2008-12-12 | 2008-12-12 | Novel air distributing device of fire retardant experiment of flame arrester in gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339812Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507111A (en) * | 2011-12-22 | 2012-06-20 | 山东东宏管业有限公司 | Coal mine gas pipe simulation experiment method |
| CN106248363A (en) * | 2016-08-26 | 2016-12-21 | 江苏远望仪器有限公司 | Pipeline spark arrester detection device |
| CN104390804B (en) * | 2014-12-15 | 2017-02-22 | 山东安益矿用设备有限公司 | Test method of performance test system for explosion suppression and explosion resistance mining device |
| CN111122194A (en) * | 2019-12-25 | 2020-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane |
| CN112629834A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Pressure drop and flow testing system and method for testing pipeline flame arrester |
-
2008
- 2008-12-12 CN CNU2008202274078U patent/CN201339812Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507111A (en) * | 2011-12-22 | 2012-06-20 | 山东东宏管业有限公司 | Coal mine gas pipe simulation experiment method |
| CN104390804B (en) * | 2014-12-15 | 2017-02-22 | 山东安益矿用设备有限公司 | Test method of performance test system for explosion suppression and explosion resistance mining device |
| CN106248363A (en) * | 2016-08-26 | 2016-12-21 | 江苏远望仪器有限公司 | Pipeline spark arrester detection device |
| CN112629834A (en) * | 2019-10-08 | 2021-04-09 | 中国石油化工股份有限公司 | Pressure drop and flow testing system and method for testing pipeline flame arrester |
| CN111122194A (en) * | 2019-12-25 | 2020-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane |
| CN111122194B (en) * | 2019-12-25 | 2022-01-14 | 中国航空工业集团公司金城南京机电液压工程研究中心 | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20111212 |