CN204182054U - Hydrogen and oxygen mixture soma wets comprehensive spark arrester - Google Patents
Hydrogen and oxygen mixture soma wets comprehensive spark arrester Download PDFInfo
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- CN204182054U CN204182054U CN201420663100.8U CN201420663100U CN204182054U CN 204182054 U CN204182054 U CN 204182054U CN 201420663100 U CN201420663100 U CN 201420663100U CN 204182054 U CN204182054 U CN 204182054U
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Abstract
A kind of hydrogen and oxygen mixture soma wets comprehensive spark arrester, solving prior art cannot stop hydrogen and oxygen gas mixture tempering to dodge the problems such as quick-fried, comprise the female back-fire relief tank and sub-back-fire relief tank and control loop that utilize communicating pipe to connect, its technical essential is: sub-back-fire relief tank shell top arranges hydrogen and oxygen gas mixture escape pipe, the pressure sensor that housing bottom arranges rupture pressure disc and is connected with control loop, by the poroid fire-proof plate isolation of stainless steel in female back-fire relief tank shell, load back-fire relief packing layer respectively from top to bottom, Stainless Steel Capillary tube layer and water seal layer, female back-fire relief tank shell top arranges safety valve tube connector, the liquid level sensor that housing bottom water seal layer sidewall arranges hydrogen and oxygen gas mixture air intake respectively and be connected with control loop.Its reasonable in design, safe and reliable, both there is the function of dry-type fire resisting device sealing check back-fire relief, water seal and baffle plate can be utilized again to reduce flame temperature and decompression, can effectively stop hydrogen and oxygen gas mixture tempering, dodge quick-fried, detonation time the harm that produces.
Description
Technical field
The utility model relates to a kind of hydrogen and oxygen gas mixture process units with preventing back-fire arrangement, particularly one prevents external flame from scurrying into the equipment such as oxy-hydrogen gas generator, pipeline, container, avoids occurring wetting comprehensive spark arrester because of tempering, the hydrogen and oxygen mixture soma that dodges the generation accidents such as quick-fried, blast.Belong to gas production equipment safety device.
Background technology
Along with the development of hydrogen economy, brine electrolysis is utilized to produce the equipment of hydrogen and oxygen gas mixture, renewable, economic clean energy resource is provided generally to be used by people as a kind of, but the particularity due to hydrogen and oxygen gas mixture: namely burning velocity fast, easily dodge quick-fried, easy leakage etc., be easy to tempering, dodge quick-fried, detonation time produce harm, so its application is obstructed always.Because " aerodynamic force effect " that when dodging quick-fried, flame produces along the pipe transmmision being full of imflammable gas can make burning more violent; usually change detonation into; detonation produce BP speed be exceedingly fast, still do not have at present a kind of safety measure can completely effectively proterctive equipment from the destruction of blast wave.
Report according to patent document, notification number is " a kind of wet type leads directly to backfire controller " of CN202881406U, disclosed design feature is: comprise tank body, the air inlet pipe, the escape pipe that pass into oxyhydrogen is arranged along its length respectively in tank body, water is packaged with in tank body, discharging tube is arranged in the one end being positioned at length of tank direction, and escape pipe arranges explosion stack.It significantly reduces the humidity of hydrogen or oxygen gas, improves aridity, stops tempering by water for cooling method simultaneously.The subject matter existed is can not meet hydrogen and oxygen gas mixture moment fire-retardant, requirement of explosion proof by water for cooling.Because it is fast to dodge quick-fried spread speed, the flame tempering time is short, temperature is high, pressure is large, can quickly pass through water seal district and cause main frame detonation.
Notification number is " oxyhydrogen flame inflating water-sealed flashback preventing device " of CN2649123Y, and disclosed technical scheme is: the major and minor air accumulator of the water sealed tank communicated by inner chamber and small cross-sectional area combines.Although it can utilize water seal and baffle plate to divide pore to reduce flame temperature, utilize shunting to reduce gas surge, its structure Problems existing is that baffle plate divides pore to still have part flame gas to pass through, and just relative pressure declines moment, can not real back-fire relief.
Notification number is " a kind of dry flashback arrestor " of CN2030879U, and disclosed design feature is: inside pressure relief opening, added only ventilative flame tight fire retarding sheet and non-return valve, and it utilizes ventilative not fire and the tempering of double containment check mode thoroughly of pressure relief opening; Notification number is " oxyhydrogen flame dry backfire arrester " of CN2163662Y, and disclosed technical scheme is: in the sleeve pipe of fire-stopping pipe, arrange piston, valve rod, or increases a spheroid at air inlet.It utilizes instant of detonation impulsive force to promote piston only fiery anti-backfire.But these two patented technologies above-mentioned utilize pressure relief opening pressure release or promote only spending at top speed of piston and lag behind oxyhydrogen flame speed, are therefore invalid.
General common spark arrester mainly utilizes sand grains, cobble, glass marble or iron filings etc. as filler, or the corrugated metal sheet composition of the overlapping placement of corrugated metal sheet spark arrester, utilize the solid material with many thin channel or gap to be divided into many tiny flame flow, utilize heat transfer effect to make flame flow quencher.But experiment proves, it is quick-fried that it cannot stop the tempering of hydrogen and oxygen gas mixture to be dodged.Therefore, existing spark arrester urgently improves.
Utility model content
The purpose of this utility model is to provide a kind of hydrogen and oxygen mixture soma and wets comprehensive spark arrester, solving prior art cannot stop hydrogen and oxygen gas mixture tempering to dodge the problems such as quick-fried, its reasonable in design, safe and reliable, both there is the function of dry-type fire resisting device sealing check back-fire relief, water seal and baffle plate can be utilized again to reduce flame temperature and decompression, can effectively stop hydrogen and oxygen gas mixture tempering, dodge quick-fried, detonation time the harm that produces.
The technical scheme that the utility model adopts is: this hydrogen and oxygen mixture soma comprehensive spark arrester that wets comprises the female back-fire relief tank and sub-back-fire relief tank that utilize in communicating pipe interconnective housing and arrange back-fire relief filler, and control loop, its technical essential is: described sub-back-fire relief tank shell top arranges hydrogen and oxygen gas mixture escape pipe, the pressure sensor that housing bottom arranges rupture pressure disc and is connected with control loop, by the poroid fire-proof plate isolation of stainless steel in female back-fire relief tank shell, load cotton-shaped back-fire relief packing layer from top to bottom respectively, spherical back-fire relief packing layer, the water seal layer of Stainless Steel Capillary tube layer and the cotton-shaped back-fire relief packing layer of band, female back-fire relief tank shell top arranges safety valve tube connector, the liquid level sensor that housing bottom water seal layer sidewall arranges hydrogen and oxygen gas mixture air intake respectively and be connected with control loop.
Described control loop take Programmable Logic Controller as core, and by control circuit that conventional electronic component and pressure sensor liquid, liquid level sensor form.
The advantage that the utility model has and good effect are: because the utility model is a kind of spark arrester integrating the brand new of dry wet comprehensive back-fire relief technology, its emphatically for meet after hydrogen or oxygen gas mixing naked light dodge quick-fried after, hydrogen and oxygen gas mixture has the characteristic of directional explosion, adopt son, the dual spark arrester of female back-fire relief tank, its gas enters from female tank bottom, gone out by sub-tank top, cotton-shaped back-fire relief filler is established in centre, spherical back-fire relief filler, the mode that the poroid fire-proof plate of stainless steel and stainless steel capillary etc. combine, bottom sub-spark arrester, establish rupture pressure disc and pressure sensor simultaneously, directly impact bottom sub-spark arrester once outlet runs into the quick-fried meeting of sudden strain of a muscle, bottom sub-spark arrester, rupture pressure disc pops rapidly and activation pressure sensor, so its reasonable in design, safe and reliable, both there is the function of dry-type fire resisting device sealing check back-fire relief, water seal and baffle plate can be utilized again to reduce flame temperature and decompression, can effectively stop hydrogen and oxygen gas mixture in tempering, dodge quick-fried, the harm produced during detonation.
This dry wet comprehensive spark arrester, why can be different from existing independent material filling type or corrugated plate dst spark arrester, its gas orientation is mainly utilized to dodge quick-fried characteristic, utilize the double action of son, female two spark arresters, an effect is by rupture pressure disc explosion release excessive gas, pressure release, exhaust, an effect is the speed that adjustment flame spreads in back-fire relief filler, by amplifying pipeline diameter, reduce gas flow rate and pressure, realize tube wall cooling effect by capillary stainless steel tube again, finally reach certain critical value and just can extinguish.Meanwhile, pressure sensor instant message control loop realizes pipeline and loses heart, dies, and stops gas to continue sudden strain of a muscle quick-fried.Therefore, the utility model solves prior art and hydrogen and oxygen gas mixture tempering cannot be stoped to dodge the problems such as quick-fried, thus effectively prevent external flame from scurrying into hydrogen or oxygen gas production equipment, pipeline, container, fundamentally prevent hydrogen and oxygen gas mixture because of tempering, dodge the accident that quick-fried, blast etc. produces.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the top view of Fig. 1.
In figure, sequence number illustrates: 1 sub-back-fire relief tank shell, 2 escape pipes, 3 safety valve Connection Blocks, 4 female back-fire relief tank shells, 5 cotton-shaped back-fire relief packing layers, the poroid fire-proof plate of 6 stainless steel, 7 spherical back-fire relief packing layers, 8 brackets, 9 Stainless Steel Capillary tube layer, 10 liquid level sensors, 11 air intakes, 12 bases, the water seal layer of 13 band back-fire relief packing layers, 14 pressure sensors, 15 rupture pressure discs, 16 asbestos add foam back-fire relief packing layer, 17 communicating pipes, 18 fixing holes.
Detailed description of the invention
Concrete structure of the present utility model is described in detail according to Fig. 1 ~ 2.This hydrogen and oxygen mixture soma comprehensive spark arrester that wets comprises and utilizes communicating pipe 17 interconnective sub-back-fire relief tank shell 1, female back-fire relief tank shell 4, is arranged on the back-fire relief filler in each housing, and the parts such as control loop.Utilize the fixing hole 18 stator back-fire relief tank shell 1 on bracket 8 and base 12, female back-fire relief tank shell 4, to prevent from use tilting, side fall.
In the present embodiment, foam back-fire relief packing layer 16 is added in the in-built cotton of rockfilling of sub-back-fire relief tank shell 1, sub-back-fire relief tank shell 1 top arranges hydrogen and oxygen gas mixture escape pipe 2, the pressure sensor (adopting pressure to be 0.2MPa) 14 arranging rupture pressure disc 15 bottom sub-back-fire relief tank shell 1 and be connected with control loop.Isolated by the poroid fire-proof plate 6 of stainless steel in female back-fire relief tank shell 4, load cotton-shaped back-fire relief packing layer (rock wool etc. can be adopted) 5 from top to bottom respectively, spherical back-fire relief packing layer (glass marble etc. can be adopted) 7, Stainless Steel Capillary tube layer 9 and the water seal layer 13 with cotton-shaped back-fire relief packing layer 5.Female back-fire relief tank shell 4 top arranges safety valve tube connector 3, the liquid level sensor 10 that water seal layer 13 sidewall bottom female back-fire relief tank shell 4 arranges hydrogen and oxygen gas mixture air intake 11 respectively and is connected with control loop.
Control loop in the present embodiment adopts common circuit, and it take programmable controller PLC as core, and by commonly using the control circuit that electronic component forms with pressure sensor liquid 14, liquid level sensor 10.
Through actual measurement: under equipment operating pressure is 0.04-0.05MPa situation, gas tempering, when dodging quick-fried generations 1MPa pressure, sudden strain of a muscle dryness-fire flame cannot pass through spark arrester.When dodging dryness-fire flame pressure and being greater than more than 1MPa, pressure is the pressure sensor 14 of 0.2MPa, ensures in rupture disk moment that pops timely to control loop transmission of pressure information.Spark arrester can postpone to dodge quick-fried in 10 seconds, and pressure sensor 14 can complete signal and communication to control loop in 100 milliseconds, disconnect supply air line by designing requirement " control loop " simultaneously, open gas extraction system, residual gas in discharge line and machine, cut off the electricity supply simultaneously, stop aerogenesis action, ensure complete machine safe handling.Therefore, this spark arrester is a kind of spark arrester integrating the brand new of dry wet comprehensive back-fire relief technology, can all control tempering deflagration phenomenon, can stop or alleviate the quick-fried or detonation of sudden strain of a muscle because tempering produces, thus fundamentally solve hydrogen and oxygen gas mixture in use safety assurance problem.
Claims (2)
1. a hydrogen and oxygen mixture soma wets comprehensive spark arrester, comprise the female back-fire relief tank and sub-back-fire relief tank that utilize in communicating pipe interconnective housing and back-fire relief filler is set, and control loop, it is characterized in that: described sub-back-fire relief tank shell top arranges hydrogen and oxygen gas mixture escape pipe, the pressure sensor that housing bottom arranges rupture pressure disc and is connected with control loop, by the poroid fire-proof plate isolation of stainless steel in female back-fire relief tank shell, load cotton-shaped back-fire relief packing layer from top to bottom respectively, spherical back-fire relief packing layer, the water seal layer of Stainless Steel Capillary tube layer and the cotton-shaped back-fire relief packing layer of band, female back-fire relief tank shell top arranges safety valve tube connector, the liquid level sensor that housing bottom water seal layer sidewall arranges hydrogen and oxygen gas mixture air intake respectively and be connected with control loop.
2. hydrogen and oxygen mixture soma according to claim 1 wets comprehensive spark arrester, it is characterized in that: described control loop take Programmable Logic Controller as core, and by control circuit that conventional electronic component and pressure sensor liquid, liquid level sensor form.
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CN201420663100.8U CN204182054U (en) | 2014-11-10 | 2014-11-10 | Hydrogen and oxygen mixture soma wets comprehensive spark arrester |
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CN201420663100.8U CN204182054U (en) | 2014-11-10 | 2014-11-10 | Hydrogen and oxygen mixture soma wets comprehensive spark arrester |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104368100A (en) * | 2014-11-10 | 2015-02-25 | 刘枫 | Dry-wet comprehensive flame arrester for hydrogen-oxygen mixed gas |
CN106969267A (en) * | 2017-04-15 | 2017-07-21 | 广东蓝新氢能源科技有限公司 | A kind of efficient fire device |
CN109125982A (en) * | 2018-08-21 | 2019-01-04 | 浙江和利氢能科技股份有限公司 | A kind of wet type fire arrester with back-fire relief net |
-
2014
- 2014-11-10 CN CN201420663100.8U patent/CN204182054U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104368100A (en) * | 2014-11-10 | 2015-02-25 | 刘枫 | Dry-wet comprehensive flame arrester for hydrogen-oxygen mixed gas |
CN104368100B (en) * | 2014-11-10 | 2017-02-22 | 刘枫 | Dry-wet comprehensive flame arrester for hydrogen-oxygen mixed gas |
CN106969267A (en) * | 2017-04-15 | 2017-07-21 | 广东蓝新氢能源科技有限公司 | A kind of efficient fire device |
CN109125982A (en) * | 2018-08-21 | 2019-01-04 | 浙江和利氢能科技股份有限公司 | A kind of wet type fire arrester with back-fire relief net |
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