CN105771118A - Continuous backfire prevention device for combustible gases - Google Patents
Continuous backfire prevention device for combustible gases Download PDFInfo
- Publication number
- CN105771118A CN105771118A CN201610238985.0A CN201610238985A CN105771118A CN 105771118 A CN105771118 A CN 105771118A CN 201610238985 A CN201610238985 A CN 201610238985A CN 105771118 A CN105771118 A CN 105771118A
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- China
- Prior art keywords
- resistance
- pipe shaft
- piston
- compression
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
- A62C4/02—Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes
Abstract
The invention discloses a continuous backfire prevention device for combustible gases, and aims to solve the technical problem of enabling a backfire prevention device to continuously work. The continuous backfire prevention device comprises a pressure resistant tube body, wherein a pressure resistant cover is arranged on the pressure resistant tube body; water is injected into the pressure resistant tube body; an air inlet tube which stretches into the water inside the pressure resistant tube body from the outer side of the pressure resistant tube body is arranged in the position, near the upper tube body opening, of the pressure resistant tube body; an air outlet is formed in the pressure resistant tube body; a pressure releasing mechanism is arranged between the pressure resistant tube body and the pressure resistant cover; and the pressure releasing mechanism comprises a piston which is arranged in the upper end of the pressure resistant tube body and can block the tube body opening of the pressure resistant tube body, a pressure releasing spring which is arranged at the upper end of the piston and inside the pressure resistant cover, and pressure releasing holes formed in the circumferential wall of the pressure resistant cover. Compared with the prior art, the continuous backfire prevention device has the advantages that the working principles that water is flame retarding and compressible and that the piston continuously decompresses are fully exerted, so that the device can continuously prevent backfire; and a water cyclic utilization device is arranged on the device, so that the problems of drainage and cyclic utilization when condensed water is redundant are solved.
Description
Technical field
The present invention relates to a kind of for the continuous fireproof tempering device of fuel gas.
Background technology
Commercial production and daily life often to be used fuel gas, including: acetylene gas, liquefied natural gas, oil gas, coal gas and hydrogen etc., at present, although having multiple anti-backfire equipment and equipment to be possible to prevent fuel gas tempering, but majority cannot continuous operation, such as anti-backfire stone, after running into tempering, the swollen passage that rises reaches to stop flame to be stretched to specific direction, the fuel gas that burning velocity is slow has certain effect, the fireballing gas of such as combustion of hydrogen is not then had flame retardant efficiency, moreover must change after meeting fiery swollen rising, cannot use continuously, use obstacle is caused to there being the equipment required of working continuously.
Summary of the invention
It is an object of the invention to provide a kind of for the continuous fireproof tempering device of fuel gas, solve the technical problem that fireproof tempering device can continuous operation.
For solving the problems referred to above, the present invention realizes by the following technical solutions: a kind of for the continuous fireproof tempering device of fuel gas, including resistance to compression pipe shaft, the resistance to compression lid of Flange joint it is being provided with compression tube, it is injected with water body in described resistance to compression pipe shaft, it is provided with one at resistance to compression pipe shaft near pipe shaft mouth place, upper end and stretches to the air inlet pipe resistance to compression pipe shaft internal water body outside resistance to compression pipe shaft, it is additionally provided with gas outlet with described compression tube, it is provided with pressure relief mechanism between described resistance to compression pipe shaft and resistance to compression lid, described pressure relief mechanism includes the piston being located in end with compression tube and can blocking compression tube barrel body mouth, it is located at piston upper end, pressure release spring in resistance to compression lid and be arranged on the relief hole on resistance to compression lid perisporium.
The pipe shaft mouth place of resistance to compression pipe shaft of the present invention is provided with the boss of one week annular, is provided with projection close-connected with the endoporus in boss in the lower end of piston.
The lower surface of projection of the present invention is the cambered surface of indent.
Compression tube of the present invention is provided with water cycle utilization device by the side of, this device includes the water-circulating pipe body being connected by connecting tube with resistance to compression pipe shaft, water-circulating pipe body lower end pipe shaft wall is provided with discharge opening, it is provided with piston seat in the lower end of described water-circulating pipe body, the inside of described piston seat is provided with the cavity connected with discharge opening, piston seat is provided with piston hole, the sluicing piston that can block piston hole it is provided with in piston hole, the upper end of described sluicing piston is connected in water-circulating pipe body and the ball float that can bubble through the water column through connecting rod, the sluicing piston boit extended in cavity it is provided with in the lower end of sluicing piston, described sluicing piston boit is provided with spring base, sluicing piston boit is cased with piston return spring, the upper end of piston return spring withstands on piston seat, lower end is against on spring base.
The upper end of water-circulating pipe body of the present invention is provided with pipe shaft lid, is provided with liquid level observation pipe on pipe shaft lid, and the upper end of liquid level observation pipe connects with resistance to compression pipe shaft, and the lower end of liquid level observation pipe connects with pipe shaft lid.
Connecting tube of the present invention is located at the downside of resistance to compression pipe shaft.
It is provided with support with compression tube of the present invention.
The present invention is compared with prior art, between resistance to compression pipe shaft and resistance to compression lid, pressure relief mechanism is set, in the way of piston decompression, give full play to water resistance combustion, compressible and piston reduces pressure operation principle continuously, so that device can anti-backfire continuously, device is additionally provided with water cycle utilization device, thus solve condensed water too much time discharge and the problem that recycles.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As depicted in figs. 1 and 2, the present invention is used for the continuous fireproof tempering device of fuel gas, resistance to compression pipe shaft 1 including tubular, the upper end of resistance to compression pipe shaft 1 has pipe shaft mouth, the bottom of resistance to compression pipe shaft 1 is hemispherical, resistance to compression pipe shaft 1 is provided with the resistance to compression lid 3 that flange 2 connects, resistance to compression lid 3 is hollow hemispherical dome structure, it is injected with water body in described resistance to compression pipe shaft 1, it is provided with one near pipe shaft mouth place, upper end at resistance to compression pipe shaft 1 and is radially into, from the outside of resistance to compression pipe shaft 1 along resistance to compression pipe shaft 1, the air inlet pipe 4 that resistance to compression pipe shaft 1 is internal and axially extends to water body after bending 90 degree, the lower end of air inlet pipe 4 extends to the bottom of resistance to compression pipe shaft 1, air inlet pipe 4 is connected with source of the gas；Being provided with gas outlet 5 on resistance to compression pipe shaft 1, gas outlet 5 is connected with air burner such as cooking stove, heating furnace, heating gun etc.；
It is provided with pressure relief mechanism between resistance to compression pipe shaft 1 and resistance to compression lid 3, this pressure relief mechanism includes being located in resistance to compression pipe shaft 1 upper end and can blocking the piston 6 of resistance to compression pipe shaft 1 pipe shaft mouth, the pressure release spring 7 being located in piston 6 upper end, resistance to compression lid 3 and be arranged on the relief hole 8 on resistance to compression lid 3 perisporium, it is provided with O-ring seals on the periphery wall of piston 6 and between the pipe shaft inwall of resistance to compression pipe shaft 1, under normality, piston 6 is to be blocked on the pipe shaft mouth of resistance to compression pipe shaft 1, the upper end of pressure release spring 7 is fixed in the upper end of resistance to compression lid 3, and lower end is fixed on the upper end of piston 6；Being provided with the boss 9 of one week annular at the pipe shaft mouth place of resistance to compression pipe shaft 1, be provided with projection 10 close-connected with the endoporus in boss 9 in the lower end of piston 6, the lower surface of projection 10 is the cambered surface of indent；When there being tempering, substantial amounts of expanding gas is produced after combustion full combustion of gas in resistance to compression pipe shaft 1, piston 6 is promoted to move up and pass through bleeder port 8 by earth pressure release, after earth pressure release is complete, under the piston 6 active force by pressure release spring 7 reset, piston 6 is blocked on the pipe shaft mouth of resistance to compression pipe shaft 1 again again, and expanding gas makes downwards water body pressurized produce micro-strain absorption portion pressure simultaneously because air inlet pipe is in water body, it is possible to stop naked light to develop to source of the gas direction.
Being provided with support 24 on resistance to compression pipe shaft 1, support 24 is made up of 4 poles being obliquely installed 25.The upper end of 4 poles 25 is fixing with resistance to compression pipe shaft 1, and the downside of pole 25 is connected fixing by cross bar 26 with the downside of resistance to compression pipe shaft 1.
nullIn order to solve condensed water too much time discharge and recycle，Resistance to compression pipe shaft 1 is other is provided with water cycle utilization device，This device includes the water-circulating pipe body 12 being connected by connecting tube 11 with resistance to compression pipe shaft 1，Connecting tube 11 is arranged on the downside of resistance to compression pipe shaft 1，Water body in resistance to compression pipe shaft 1 can pass through connecting tube 11 and flow in water-circulating pipe body 1，Make both liquid levels of interior water body equal，Water-circulating pipe body 1 lower end pipe shaft wall is provided with discharge opening 13，Discharge opening 13 connects with drain pipe or gutter，Piston seat 14 it is provided with in the lower end of water-circulating pipe body 1，The inside of described piston seat 14 is provided with the cavity 15 connected with discharge opening 13，The middle part doing 14 at piston is provided with mean for the piston hole 27 in water inflow cavity 15，The sluicing piston 16 that can block piston hole 27 it is provided with in piston hole 27，The ball float 18 that the upper end of described sluicing piston 16 is connected in water-circulating pipe body 12 through connecting rod 17 and can bubble through the water column，The sluicing piston boit 19 extended in cavity 15 it is provided with in the lower end of sluicing piston 16，It is provided with spring base 20 in the lower end of sluicing piston boit 19，Sluicing piston boit 19 is cased with piston return spring 21，The upper end of piston return spring 21 withstands on piston seat 14，Lower end is against on spring base 20.
When the water body in resistance to compression pipe shaft 1 is too much, the liquid level of water body rises, ball float 18 is promoted to move up, now connecting rod 17 pulls sluicing piston 16 to extract from piston hole 27, piston return spring 21 compresses, water body in water-circulating pipe body 12 flows in cavity 15 through piston hole 27, discharge water-circulating pipe body 12 from discharge opening 13 again, after the liquid level of water body declines, sluicing piston 16 makes sluicing piston 16 again be blocked on piston hole 27 because of piston return spring 21 return, thus anti-water-stop body continues to discharge.
For the ease of observing the liquid height in water-circulating pipe body 12, the upper end of water-circulating pipe body 12 is provided with pipe shaft lid 22, pipe shaft lid 22 is provided with liquid level observation pipe 23, liquid level observation pipe 23 is transparent hose, upper end connects with resistance to compression pipe shaft 1, the lower end of liquid level observation pipe 23 connects with pipe shaft lid 22, and transparent hose can facilitate observing tube water level inside.
Claims (7)
- null1. one kind is used for the continuous fireproof tempering device of fuel gas，Including resistance to compression pipe shaft (1)，Resistance to compression pipe shaft (1) is provided with the resistance to compression lid (3) that flange (2) connects，It is injected with water body in described resistance to compression pipe shaft (1)，It is provided with one at resistance to compression pipe shaft (1) near pipe shaft mouth place, upper end and stretches to the air inlet pipe (4) the internal water body of resistance to compression pipe shaft (1) outside resistance to compression pipe shaft (1)，Described resistance to compression pipe shaft (1) is additionally provided with gas outlet (5)，It is characterized in that: between described resistance to compression pipe shaft (1) and resistance to compression lid 3, be provided with pressure relief mechanism，Described pressure relief mechanism includes the piston (6) being located in resistance to compression pipe shaft (1) upper end and can blocking resistance to compression pipe shaft (1) pipe shaft mouth、It is located at piston (6) upper end、Pressure release spring (7) in resistance to compression lid (3) and be arranged on the relief hole (8) on resistance to compression lid (3) perisporium.
- 2. according to claim 1 for the continuous fireproof tempering device of fuel gas, it is characterized in that: the pipe shaft mouth place of described resistance to compression pipe shaft (1) is provided with the boss (9) of one week annular, is provided with in the lower end of piston (6) and the close-connected projection of the endoporus (10) in boss (9).
- 3. according to claim 2 for the continuous fireproof tempering device of fuel gas, it is characterised in that: the cambered surface that lower surface is indent of described projection (10).
- null4. according to claim 3 for the continuous fireproof tempering device of fuel gas，It is characterized in that: described resistance to compression pipe shaft (1) is other is provided with water cycle utilization device，This device includes the water-circulating pipe body (12) being connected by connecting tube (11) with resistance to compression pipe shaft (1)，Water-circulating pipe body (1) lower end pipe shaft wall is provided with discharge opening (13)，It is provided with piston seat (14) in the lower end of described water-circulating pipe body (1)，The inside of described piston seat (14) is provided with the cavity (15) connected with discharge opening (13)，Piston seat (14) is provided with piston hole (27)，The sluicing piston (16) that can block piston hole (27) it is provided with in piston hole (27)，The ball float (18) that the upper end of described sluicing piston (16) is connected in water-circulating pipe body (12) through connecting rod (17) and can bubble through the water column，The sluicing piston boit (19) extended in cavity (15) it is provided with in the lower end of sluicing piston (16)，Described sluicing piston boit (19) is provided with spring base (20)，Sluicing piston boit (19) is cased with piston return spring (21)，The upper end of piston return spring (21) withstands on piston seat (14)，Lower end is against on spring base (20).
- 5. according to claim 4 for the continuous fireproof tempering device of fuel gas, it is characterized in that: the upper end of described water-circulating pipe body (12) is provided with pipe shaft lid (22), pipe shaft lid (22) is provided with liquid level observation pipe (23), the upper end of liquid level observation pipe (23) connects with resistance to compression pipe shaft (1), and the lower end of liquid level observation pipe (23) connects with pipe shaft lid (22).
- 6. according to claim 5 for the continuous fireproof tempering device of fuel gas, it is characterised in that: described connecting tube (11) is located at the downside of resistance to compression pipe shaft (1).
- 7. according to claim 1 to 6 any one for the continuous fireproof tempering device of fuel gas, it is characterised in that: described resistance to compression pipe shaft (1) is provided with support (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238985.0A CN105771118A (en) | 2016-04-18 | 2016-04-18 | Continuous backfire prevention device for combustible gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238985.0A CN105771118A (en) | 2016-04-18 | 2016-04-18 | Continuous backfire prevention device for combustible gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105771118A true CN105771118A (en) | 2016-07-20 |
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ID=56396691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610238985.0A Pending CN105771118A (en) | 2016-04-18 | 2016-04-18 | Continuous backfire prevention device for combustible gases |
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| Country | Link |
|---|---|
| CN (1) | CN105771118A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191015544A (en) * | 1910-06-28 | 1911-02-02 | Heinrich Knapp | Improvements in or relating to Liquid-seal Safety Devices for Minimizing Explosions in Gas Supply Apparatus. |
| CN101435584A (en) * | 2008-12-04 | 2009-05-20 | 合肥斯科燃烧设备有限公司 | Explosion-proof apparatus |
| CN201277435Y (en) * | 2008-10-17 | 2009-07-22 | 中国石化股份胜利油田分公司孤岛采油厂 | Automatic water discharging valve for gas circuit excess water |
| CN103656931A (en) * | 2013-12-13 | 2014-03-26 | 贵州盘江煤层气开发利用有限责任公司 | Water-sealing type explosion prevention device with water level automatic-control function |
| CN104548426A (en) * | 2015-01-19 | 2015-04-29 | 大连海顺重工环保设备有限公司 | Water-sealed explosion-proof fire protection device |
| CN105381559A (en) * | 2015-12-17 | 2016-03-09 | 天津骏睿科技有限公司 | Water seal type explosion prevention device |
| CN205948229U (en) * | 2016-04-18 | 2017-02-15 | 赵基丞 | Be used for continuous flame arrestor of combustible gas |
-
2016
- 2016-04-18 CN CN201610238985.0A patent/CN105771118A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191015544A (en) * | 1910-06-28 | 1911-02-02 | Heinrich Knapp | Improvements in or relating to Liquid-seal Safety Devices for Minimizing Explosions in Gas Supply Apparatus. |
| CN201277435Y (en) * | 2008-10-17 | 2009-07-22 | 中国石化股份胜利油田分公司孤岛采油厂 | Automatic water discharging valve for gas circuit excess water |
| CN101435584A (en) * | 2008-12-04 | 2009-05-20 | 合肥斯科燃烧设备有限公司 | Explosion-proof apparatus |
| CN103656931A (en) * | 2013-12-13 | 2014-03-26 | 贵州盘江煤层气开发利用有限责任公司 | Water-sealing type explosion prevention device with water level automatic-control function |
| CN104548426A (en) * | 2015-01-19 | 2015-04-29 | 大连海顺重工环保设备有限公司 | Water-sealed explosion-proof fire protection device |
| CN105381559A (en) * | 2015-12-17 | 2016-03-09 | 天津骏睿科技有限公司 | Water seal type explosion prevention device |
| CN205948229U (en) * | 2016-04-18 | 2017-02-15 | 赵基丞 | Be used for continuous flame arrestor of combustible gas |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |
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| RJ01 | Rejection of invention patent application after publication |