CN103670709A - Explosion-proof valve of gas combustor - Google Patents

Explosion-proof valve of gas combustor Download PDF

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Publication number
CN103670709A
CN103670709A CN201310739214.6A CN201310739214A CN103670709A CN 103670709 A CN103670709 A CN 103670709A CN 201310739214 A CN201310739214 A CN 201310739214A CN 103670709 A CN103670709 A CN 103670709A
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CN
China
Prior art keywords
seat board
case
annular flange
flame
proof valve
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Pending
Application number
CN201310739214.6A
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Chinese (zh)
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李潘宝
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Individual
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Individual
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Priority to CN201310739214.6A priority Critical patent/CN103670709A/en
Publication of CN103670709A publication Critical patent/CN103670709A/en
Priority to CN201410265497.XA priority patent/CN104047762B/en
Priority to CN201420316733.1U priority patent/CN204024858U/en
Pending legal-status Critical Current

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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Abstract

The invention provides an explosion-proof valve of a gas combustor and belongs to the technical field of machinery. Potential safety risks of an existing explosion-proof valve can be avoided. The explosion-proof valve comprises a base plate and a panel arranged above the base plate in parallel. The base plate and the panel are fixedly connected and an inner flaming retarding device, an outer flaming retarding device, a valve plate and a spring are fixed between the base plate and the panel. A hood shell is further fixed between the panel and the base plate. The hood shell abuts against the base plate and cavities for installation of the inner flaming retarding device, the outer flaming retarding device, the valve plate and the spring are formed between the hood shell and the base plate. The side portion of the hood shell is provided with a protruding exhaust portion, an exhaust opening communicated with the cavities is formed in the exhaust portion and the explosion-proof valve has the advantage of being high in safety.

Description

A kind of gas engine explosion-proof valve
Technical field
The invention belongs to field of mechanical technique, relate to a kind of explosion-proof valve, relate in particular to a kind of gas engine explosion-proof valve.
Background technique
Gas engine burns by transport gas in admission line or artificial coal gas produces power workmanship, can be used for propelling vehicle and steamer walking and drives generator generating.The inflammable gass such as rock gas can produce larger pressure in course of conveying, if these inflammable gass leak from gas engine admission line, in air, run into thermal source, easily cause burning, therefore need to explosion-proof valve be set on gas engine admission line carries out releasing pressure automatically.
As Chinese patent discloses a kind of explosion-proof valve [application number: 200810061321.7; Notification number: CN101275487A], comprise panel, seat board and interior flame-retardant device, three forms valve pocket, in valve pocket, be provided with the valve plate that forms sealing with seat board, between panel and valve plate, be provided with spring, between panel and seat board, be also fixed with outer flame-retardant device, outer flame-retardant device and interior flame-retardant device by some circular flame-retardant device sheet positive and negatives, alternately place and be layering after form, front and positive phase poststack at flame-retardant device sheet form some connection valve pockets and extraneous passage, and every passage has twice bending at least.This explosion-proof valve can be applicable on crank case of internal combustion engine, extends the distance of flowing through of flame and air-flow by interior flame-retardant device and outer flame-retardant device, and assurance flame extinguishes completely in explosion-proof valve and weakens the high pressure draught of generation.
Yet, though the internal structure of this explosion-proof valve has the effect that weakens high pressure draught, but owing to opening wide completely between panel and seat board, still can, to the Bas Discharged of surrounding, there is certain potential safety hazard after having caused high pressure inflammable gas to weaken.Concentration once the high pressure inflammable gas after weakening reaches certain numerical value, still can initiation fire, personal safety as well as the property safety is caused to certain damage.
Summary of the invention
The object of the invention is the problems referred to above that exist for prior art, proposed to be a kind ofly applicable on gas engine and gas engine explosion-proof valve that Security is higher.
Object of the present invention can realize by following technical proposal: a kind of gas engine explosion-proof valve, the panel that comprises seat board and be set in parallel in seat board top, described seat board is connected mutually with panel and between seat board and panel, is fixed with interior flame-retardant device, outer flame-retardant device, valve plate and spring, it is characterized in that, between described panel and seat board, be also fixed with case, described case is resisted against on seat board and is formed for installing above-mentioned internal resistance burner between the two, outer flame-retardant device, the cavity of valve plate and spring, described case sidepiece has the exhaust portion of protrusion, in described exhaust portion, offer the relief opening being connected with above-mentioned cavity.
During work, hot flame and high pressure inflammable gas act on valve plate spring are upwards pushed up, hot flame and pressurized gas enter in cavity, when hot flame through interior flame-retardant device and outside extinguished completely after flame-retardant device, the high pressure inflammable gas together entering along with hot flame outwards spreads through outer flame-retardant device, owing to being fixed with case between seat board and panel, case is resisted against on seat board, so be connected with seat board by the case sidewall of formed housing of high pressure inflammable gas stops.Simultaneously, again because be connected with the seat board sidepiece of formed housing of case has exhaust portion, exhaust portion has relief opening, so by exhaust portion and an exhaust duct are connected, just the high pressure inflammable gas in case can be discharged into safety zone.
In above-mentioned gas engine explosion-proof valve, described seat board is ring, described case surface is rounded, described case sidepiece has the annular flange turning down from its marginal surface downwards, described seat board surface has annular positioning seat, described annular flange is resisted against on positioning seat, and described exhaust portion is outwardly from the sidepiece of annular flange.
The annular flange of case sidepiece is resisted against on the positioning seat on seat board surface, by annular flange, make between seat board and case to form the cavity except exhaust portion outer closure, and exhaust portion is outwardly from the sidepiece of annular flange, guarantee that like this high pressure inflammable gas can only discharge from exhaust portion.
In above-mentioned gas engine explosion-proof valve, as another kind of situation, described seat board is ring, described case surface is rounded, described seat board is identical with the external diameter of case, described seat board sidepiece has from its surface the upwards annular flange one of turnover, the sidepiece of described annular flange one has the joint one of protrusion, described case sidepiece has from its surface the annular flange two of turnover downwards, the sidepiece of described annular flange two has the joint two of protrusion, described annular flange one leans with annular flange two and joint one forms above-mentioned exhaust portion with joint two.
The annular flange one of case sidepiece leans with the annular flange two of seat board sidepiece and joint one becomes exhaust portion with joint dimorphism, thereby make the enclosed cavity of formation except exhaust portion between case and seat board, under the effect of annular flange one and annular flange two, high pressure inflammable gas is limited in, in this enclosed cavity, except exhaust portion, cannot discharging.
In above-mentioned gas engine explosion-proof valve, the center on described case surface has through hole, the edge of described panel is connected mutually with case surface, and one end and the valve plate of described spring are connected, and the through hole of the other end of described spring from case surface stretches out and be connected with the center of panel.
Reset condition, spring is pressed in valve plate seat board surface under elastic force effect, when work, under the effect of hot flame and high pressure inflammable gas, valve plate is upwards backed down, spring on valve plate is subject to the active force of this jack-up and upwards pushes up, and the through hole that the other end of spring stretches out case surface upwards pushes up the center of panel.
In above-mentioned gas engine explosion-proof valve, described outer flame-retardant device and interior flame-retardant device are all ring, and the internal diameter of described outer flame-retardant device is greater than the external diameter of interior flame-retardant device, are provided with netted interior fire-retardant ring between described interior flame-retardant device and outer flame-retardant device.
Hot flame is by after interior flame-retardant device, and netted interior fire-retardant ring can be broken up hot flame, just can be extinguished completely more like this by the hot flame after breaing up after the effect of outer flame-retardant device.
In above-mentioned gas engine explosion-proof valve, the longitudinal section of described exhaust portion is square, and is distributed with some attachment holes in described exhaust portion.Attachment hole in exhaust portion is for being connected with pipe, by being connected to pipe in exhaust portion, the high pressure inflammable gas in explosion-proof valve is discharged into safety zone processes.
In above-mentioned gas engine explosion-proof valve, described relief opening is square.
Compared with prior art, this gas engine explosion-proof valve has the following advantages:
1, this gas engine explosion-proof valve stops the diffusion everywhere towards periphery of high pressure inflammable gas by case is set between panel and seat board, utilize the exhaust portion with relief opening that case sidepiece protrudes that high pressure inflammable gas is disposed to safety zone, there is higher Security, can eliminate preferably potential safety hazard that high pressure inflammable gas diffusion causes and to guaranteeing the safety of personal property;
2, the internal structure of this gas engine explosion-proof valve is identical with common explosion-proof valve, in utilizing, flame-retardant device and outer flame-retardant device can extinguish hot flame in explosion-proof valve equally completely, in addition, owing to only having increased a case with exhaust portion between panel and seat board, relatively simple for structure, except gas engine, be equally also applicable to the gas pipelines such as oil, feed channel or poisonous, sour pressure piping and harmful gas storage tank etc., so applicability is also wider.
Accompanying drawing explanation
Fig. 1 is the sectional view of this gas engine explosion-proof valve when work and the combination of while work.
Fig. 2 is the plan view of this gas engine explosion-proof valve.
In figure, 1, seat board; 2, panel; 3, interior flame-retardant device; 4, outer flame-retardant device; 5, valve plate; 6, spring; 7, case; 8, cavity; 9, exhaust portion; 10, relief opening; 11, annular flange; 12, positioning seat; 13, interior fire-retardant ring; 14, bolt; 15, seal ring; 16, interior fire-retardant pressing plate; 17, outer fire-retardant pressing plate.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As depicted in figs. 1 and 2, a kind of gas engine explosion-proof valve, comprises the panel 2 that is the seat board 1 of ring and is set in parallel in seat board 1 top, between seat board 1 and panel 2, is fixed with case 7, and the edge of panel 2 is connected by screw mutually with case 7 surfaces.Case 7 surfaces are rounded, and case 7 sidepieces have the annular flange 11 turning down from its marginal surface downwards, and seat board 1 surface has annular positioning seat 12, and annular flange 11 is resisted against on positioning seat 12, and forms cavity 8 between case 7 and seat board 1.The sidepiece of annular flange 11 has outwardly exhaust portion 9, exhaust portion 9 surfaces be provided with case 7 and seat board 1 between the relief opening 10 that communicates of the cavity 8 that forms.In the present embodiment, the longitudinal section of exhaust portion 9 is square, and exhaust portion 9 surface distributed have some attachment holes, and relief opening 10 is square.
In the cavity 8 forming between case 7 and seat board 1, be fixed with interior flame-retardant device 3, outer flame-retardant device 4, interior flame-retardant device 3 is all ring with outer flame-retardant device 4, outer flame-retardant device 4 is enclosed within interior flame-retardant device 3 internal diameter outer and outer flame-retardant device 4 and is greater than interior flame-retardant device 3, and between interior flame-retardant device 3 and outer flame-retardant device 4, cover has netted interior fire-retardant ring 13.Interior flame-retardant device 3 is provided with interior fire-retardant pressing plate 16, and case 7, interior fire-retardant pressing plate 16, interior flame-retardant device 3 and seat board 1 fix by bolt 14.In cavity 8, be also provided with valve plate 5 and spring 6, spring 6 is tapered, and the center on case 7 surfaces has through hole, and large end and the valve plate 5 of spring 6 are connected, and the small end of spring 6 stretches out the through hole on case 7 surfaces and is connected with the center of panel 2.Between valve plate 5 and seat board 1, be provided with seal ring 15, under the elastic force effect of spring 6, valve plate 5 is crushed on seat board 1 surface and forms sealing by seal ring 15.
Interior flame-retardant device 3 and outer flame-retardant device 4 are by the formation that is layering of some flame-retardant device sheets, its stacked system is that positive and negative is alternately placed stack, interior flame-retardant device 3 can be the structure in explosion-proof valve [patent No.: 200810061321.7] with reference to another patent name of the applicant with concrete structure and the fire-fighting principle of outer flame-retardant device 4, repeats no more herein.Outer flame-retardant device 4 is provided with outer fire-retardant pressing plate 17, and outer fire-retardant pressing plate 17 is provided with screw, by tightening screw, outer flame-retardant device 4 can be pressed on seat board 1.
This gas engine explosion-proof valve is arranged on the admission line of gas engine, and the pipeline of before use exhaust portion 9 of case 7 sidepieces and an exhaust being used is connected.While not working, under the elastic force effect of spring 6, valve plate 5 is crushed on seat board 1 and forms and seal.
During work, effect lower valve plate 5 at hot flame and high pressure inflammable gas is upwards backed down, hot flame and high pressure inflammable gas enter in the cavity 8 between case 7 and seat board 1, and hot flame is extinguished completely after the effect of interior flame-retardant device 3, interior fire-retardant ring 13, outer flame-retardant device 4.High pressure inflammable gas passes through interior flame-retardant device 3, interior fire-retardant ring 13 and outer flame-retardant device 4 outwards flow out, effect due to case 7 sidepiece annular flange 11, high pressure inflammable gas is closed in the cavity 8 forming between case 7 and seat board 1, cannot spread to surrounding, the pipeline of simultaneously using due to exhaust portion 9 and the exhaust of case 7 sidepieces is connected, and the cavity 8 forming between the relief opening in exhaust portion 9 10 and case 7 and seat board 1 communicates, therefore high pressure inflammable gas can be by being discharged to safety zone from relief opening 10, thereby eliminated the potential safety hazard that high pressure inflammable gas brings to surrounding diffusion, the normal use of gas engine and the safety of personal property have been guaranteed.
Embodiment two
The present embodiment is basic identical with embodiment one structure and principle, difference is: in the present embodiment, seat board 1 is ring, case 7 surfaces are rounded, seat board 1 is identical with the external diameter of case 7, seat board 1 sidepiece has from its surface the upwards annular flange one of turnover, the sidepiece of annular flange one has the joint one of protrusion, case 7 sidepieces have from its surface the annular flange two of turnover downwards, the sidepiece of annular flange two has the joint two of protrusion, and annular flange one leans with annular flange two and joint one forms above-mentioned exhaust portion 9 with joint two.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Claims (7)

1. a gas engine explosion-proof valve, the panel (2) that comprises seat board (1) and be set in parallel in seat board (1) top, described seat board (1) is connected mutually with panel (2) and is fixed with interior flame-retardant device (3) between seat board (1) and panel (2), outer flame-retardant device (4), valve plate (5) and spring (6), it is characterized in that, between described panel (2) and seat board (1), be also fixed with case (7), described case (7) is resisted against seat board (1) above and is formed for installing above-mentioned internal resistance burner (3) between the two, outer flame-retardant device (4), the cavity (8) of valve plate (5) and spring (6), described case sidepiece has the exhaust portion (9) of protrusion, in described exhaust portion (9), offer the relief opening (10) being connected with above-mentioned cavity (8).
2. gas engine explosion-proof valve according to claim 1, it is characterized in that, described seat board (1) is ring, described case (7) surface is rounded, described case (7) sidepiece has the annular flange (11) turning down from its marginal surface downwards, described seat board (1) surface has annular positioning seat (12), and it is upper that described annular flange (11) is resisted against positioning seat (12), and described exhaust portion (9) is outwardly from the sidepiece of annular flange (11).
3. gas engine explosion-proof valve according to claim 1, it is characterized in that, described seat board (1) is ring, described case (7) surface is rounded, described seat board (1) is identical with the external diameter of case (7), described seat board (1) sidepiece has from its surface the upwards annular flange one of turnover, the sidepiece of described annular flange one has the joint one of protrusion, described case (7) sidepiece has from its surface the annular flange two of turnover downwards, the sidepiece of described annular flange two has the joint two of protrusion, described annular flange one leans with annular flange two and joint one forms above-mentioned exhaust portion (9) with joint two.
4. according to the gas engine explosion-proof valve described in claim 1 or 2 or 3, it is characterized in that, the center on described case (7) surface has through hole, the edge of described panel (2) is connected mutually with case (7) surface, one end of described spring (6) and valve plate (5) are connected, and the other end of described spring (6) stretches out and is connected with the center of panel (2) from the through hole on case (7) surface.
5. according to the gas engine explosion-proof valve described in claim 1 or 2 or 3, it is characterized in that, described outer flame-retardant device (4) is all ring with interior flame-retardant device (3), the internal diameter of described outer flame-retardant device (4) is greater than the external diameter of interior flame-retardant device (3), is provided with netted interior fire-retardant ring (13) between described interior flame-retardant device (3) and outer flame-retardant device (4).
6. according to the gas engine explosion-proof valve described in claim 1 or 2 or 3, it is characterized in that, the longitudinal section of described exhaust portion (9) is square, and described exhaust portion is distributed with some attachment holes on (9).
7. according to the gas engine explosion-proof valve described in claim 1 or 2 or 3, it is characterized in that, described relief opening (10) is square.
CN201310739214.6A 2013-12-27 2013-12-27 Explosion-proof valve of gas combustor Pending CN103670709A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310739214.6A CN103670709A (en) 2013-12-27 2013-12-27 Explosion-proof valve of gas combustor
CN201410265497.XA CN104047762B (en) 2013-12-27 2014-06-13 Gas engine anti-explosion valve
CN201420316733.1U CN204024858U (en) 2013-12-27 2014-06-13 A kind of gas engine explosion-proof valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310739214.6A CN103670709A (en) 2013-12-27 2013-12-27 Explosion-proof valve of gas combustor

Publications (1)

Publication Number Publication Date
CN103670709A true CN103670709A (en) 2014-03-26

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Family Applications (3)

Application Number Title Priority Date Filing Date
CN201310739214.6A Pending CN103670709A (en) 2013-12-27 2013-12-27 Explosion-proof valve of gas combustor
CN201420316733.1U Withdrawn - After Issue CN204024858U (en) 2013-12-27 2014-06-13 A kind of gas engine explosion-proof valve
CN201410265497.XA Active CN104047762B (en) 2013-12-27 2014-06-13 Gas engine anti-explosion valve

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Application Number Title Priority Date Filing Date
CN201420316733.1U Withdrawn - After Issue CN204024858U (en) 2013-12-27 2014-06-13 A kind of gas engine explosion-proof valve
CN201410265497.XA Active CN104047762B (en) 2013-12-27 2014-06-13 Gas engine anti-explosion valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033296A (en) * 2014-06-13 2014-09-10 广东宾士动力科技有限公司 Explosion-proof pressure-relief valve for gas engine
CN112116787A (en) * 2020-09-01 2020-12-22 水木鸟(重庆)安全技术有限公司 Gas detection alarm control system and method for Internet of things

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670709A (en) * 2013-12-27 2014-03-26 李潘宝 Explosion-proof valve of gas combustor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2816388Y (en) * 2005-05-19 2006-09-13 潍坊潍柴培新气体发动机有限公司 Blasting proof valve of gas engine
CN2913630Y (en) * 2005-12-29 2007-06-20 汤洪辉 Gas engine
CN101275487B (en) * 2008-04-22 2011-11-16 李潘宝 Explosion-proof valve
KR100928079B1 (en) * 2009-08-31 2009-11-25 박수건 Maze type relief valve with flame arrester for a crankcase
CN102174915B (en) * 2011-02-15 2012-10-31 徐庆玉 Automobile gas supply system with air-quantity-adjustable and tempering-explosion-proof device
CN202370652U (en) * 2011-12-21 2012-08-08 潍坊市三立科技动力有限公司 Gas engine
CN103670709A (en) * 2013-12-27 2014-03-26 李潘宝 Explosion-proof valve of gas combustor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033296A (en) * 2014-06-13 2014-09-10 广东宾士动力科技有限公司 Explosion-proof pressure-relief valve for gas engine
CN112116787A (en) * 2020-09-01 2020-12-22 水木鸟(重庆)安全技术有限公司 Gas detection alarm control system and method for Internet of things
CN112116787B (en) * 2020-09-01 2022-04-12 水木鸟(重庆)安全技术有限公司 Gas detection alarm control system of Internet of things

Also Published As

Publication number Publication date
CN204024858U (en) 2014-12-17
CN104047762B (en) 2017-01-18
CN104047762A (en) 2014-09-17

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Application publication date: 20140326