CN202991109U - Anti-explosion anti-backfire device - Google Patents
Anti-explosion anti-backfire device Download PDFInfo
- Publication number
- CN202991109U CN202991109U CN 201220548826 CN201220548826U CN202991109U CN 202991109 U CN202991109 U CN 202991109U CN 201220548826 CN201220548826 CN 201220548826 CN 201220548826 U CN201220548826 U CN 201220548826U CN 202991109 U CN202991109 U CN 202991109U
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- fire relief
- relief cavity
- cavity
- explosion
- flame retardant
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Abstract
The utility model discloses an anti-explosion anti-backfire device, and belongs to the field of drainage and utilization of gas. The anti-explosion anti-backfire device comprises an upper fire resisting cavity (5) and a lower fire resisting cavity (6), a working end (14) is arranged at the left end of the upper fire resisting cavity (5), the working end (14) is communicated with the inner portion of the upper fire resisting cavity (5), a system end (15) is arranged at the right end of the lower fire resisting cavity (6), and the system end (15) is communicated with the inner portion of the lower fire resisting cavity (6). The anti-explosion anti-backfire device is characterized in that the upper fire resisting cavity (5) is connected with the lower fire resisting cavity (6) through bolts, baffles (11) are fixedly connected on the inner walls of the upper fire resisting cavity (5) and the lower fire resisting cavity (6), fire resisting layers (8) and fastening space rings (7) of the fire resisting layers (8) are arranged among the baffles (11) at intervals, the fastening space rings (7) of the fire resisting layers (8) are circular, fracture ports (16) are arranged below the fastening space rings (7) of the fire resisting layers (8), small support ribs (12) are arranged at two ends of each fracture port (16), connecting holes (13) are formed in the small support ribs (12), and a drainage device (9) is connected with a pipeline below the upper fire resisting cavity (5). The anti-explosion anti-backfire device is explosion resistant and durable, convenient to examine and install, and capable of discharging accumulated water.
Description
Technical field
Explosion-proof fireproof tempering device belongs to gas drainage under suction and utilizes the field.
Background technology
Explosion-proof fireproof tempering device is mounted in a kind of safety convenience instrument on gas suction pump suction side and exhaust end pipeline, when gas drainage pipeline meets accident explosion accident, the shock wave that prevent exploding produces destroys drainage system, and the flame that blocking-up blast produces conducts along extraction pipeline, a kind of Special safety device that Accident prevention further enlarges.Can select according to the size of different pipeline diameters the explosion-proof fireproof tempering device of different size.Explosion-proof fireproof tempering device utilization is when normal extraction (being arranged on gas suction pump suction side and exhaust end pipeline); the gas of being taked passes through flame retardant bed; in case blast in gas pipe or burn; when flame spreads in pipeline; thermolysis due to flame retardant bed; flame is successively reduced, until the flame disappearance, therefore can protect ground and down-hole, draw-off pump station equipment and user's safety.
But there is a part of irrational mix in the inner back-fire relief parts of existing explosion-proof fireproof tempering device, one: very inconvenient to installing with the flame retardant bed spacer ring of welding, when changing flame retardant bed, flame retardant bed is easily by scratch; Its two: this equipment has often been ignored its water distribution structure because be connected with other antiknock device, in normal operation, bears water too much the easy extraction effect that affects gas.There is stealthy drawback in above 2 maintenance and uses for unit in charge of construction, are difficult for being found by unit in charge of construction, have certain hidden danger for safety in production.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiency that prior art exists, a kind of explosion-proof durable, maintenance explosion-proof fireproof tempering device easily is provided.
the technical scheme that its technical problem that solves the utility model adopts is: this explosion-proof fireproof tempering device, comprise the back-fire relief cavity, lower back-fire relief cavity, upper back-fire relief cavity left end is provided with the working end, the working end communicates with upper back-fire relief inside cavity, lower back-fire relief cavity right-hand member is provided with system end, system end communicates with lower back-fire relief inside cavity, it is characterized in that: upper back-fire relief cavity and lower back-fire relief cavity are with bolts, all be fixedly connected with baffle plate on the inwall of upper back-fire relief cavity and lower back-fire relief cavity, between baffle plate, the interval is equipped with flame retardant bed and the fastening spacer ring of flame retardant bed, the fastening spacer ring of flame retardant bed becomes annular, and below be provided with fracture, the fracture two ends are provided with little brace rod, little brace rod is provided with connecting hole, upper back-fire relief cavity below pipeline is connected with tailrace.
Described upper back-fire relief cavity right-hand member is provided with the upper cavity adpting flange, and lower back-fire relief cavity left end is provided with the lower chamber adpting flange, and the upper cavity adpting flange is connected with lower chamber adpting flange bolt.
Left end edge, described working end is provided with the working end adpting flange, and system end right-hand member edge is provided with the system end adpting flange.
Described flame retardant bed is parallel to each other and spacing equates, flame retardant bed place plane parallel is in the cross section of upper back-fire relief cavity or lower back-fire relief cavity.
Described flame retardant bed is wire lath.
Pipeline between described tailrace and upper back-fire relief cavity is provided with discharging valve.
The below inwall of described lower back-fire relief cavity is provided with the automatic draining parts.
The little brace rod of described fracture both sides is bolted.
Compared with prior art, the beneficial effect that has of the utility model is: adopting explosion-proof fireproof tempering device of the present utility model is gas drainage under suction and the safety device that utilize VS .NET Prerequisites.The fastening spacer ring of flame retardant bed adopts swelled spacer ring structure, not only installs and fastening convenience, and the also reduction greatly of installation injury during to the replacing of flame retardant bed has guaranteed the quality of flame retardant bed, for safety in production provides guarantee.All be installed with baffle plate in upper back-fire relief cavity and the Nell wall of lower back-fire relief cavity, can prevent that this moves back and forth in cavity for the fastening spacer ring of flame retardant bed and flame retardant bed, make that flame retardant bed is more firm, safety.Establish in the explosion-proof fireproof tempering device of utility model and increase tailrace, discharging valve, make the ponding that avoids in back-fire relief cavity and lower back-fire relief cavity, make the extraction that it can be unimpeded, in cavity, vapour lock significantly reduces, also can install the automatic draining parts additional according to customer requirement, the auto-manual effect is very obvious.
Description of drawings
Fig. 1 is the front view of the explosion-proof fireproof tempering device of the utility model.
Fig. 2 is the structural representation of the fastening spacer ring of flame retardant bed of the explosion-proof fireproof tempering device of the utility model.
Fig. 3 is the explosion-proof fireproof tempering device A of the utility model place partial enlarged drawing.
Wherein: 1, working end adpting flange; 2, system end adpting flange; 3, upper cavity adpting flange; 4, lower chamber adpting flange; 5, upper back-fire relief cavity; 6, lower back-fire relief cavity; 7, the fastening spacer ring of flame retardant bed; 8, flame retardant bed; 9, tailrace; 10, automatic draining parts; 11, baffle plate; 12, little brace rod; 13, connecting hole, 14, working end; 15, system end; 16, fracture; 17, discharging valve.
The specific embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model is described further below in conjunction with 1 ~ 3 pair of explosion-proof fireproof tempering device of the utility model of accompanying drawing.
with reference to accompanying drawing 1 ~ 3, this explosion-proof fireproof tempering device comprises back-fire relief cavity 5, lower back-fire relief cavity 6, upper back-fire relief cavity 5 left ends are provided with working end 14, working end 14 communicates with upper back-fire relief cavity 5 inside, lower back-fire relief cavity 6 right-hand members are provided with system end 15, system end 15 communicates with lower back-fire relief cavity 6 inside, upper back-fire relief cavity 5 and lower back-fire relief cavity 6 are with bolts, all be fixedly connected with baffle plate 11 on the inwall of upper back-fire relief cavity 5 and lower back-fire relief cavity 6, between baffle plate 11, the interval is equipped with flame retardant bed 8 and the fastening spacer ring 7 of flame retardant bed, 7 one-tenth annulars of the fastening spacer ring of flame retardant bed, and below be provided with fracture 16, fracture 16 two ends are provided with little brace rod 12, little brace rod 12 is provided with connecting hole 13, upper back-fire relief cavity 5 below pipelines are connected with tailrace 9.Upper back-fire relief cavity 5 right-hand members are provided with upper cavity adpting flange 3, and lower back-fire relief cavity 6 left ends are provided with lower chamber adpting flange 4, and upper cavity adpting flange 3 is connected bolt and is connected with the lower chamber adpting flange.14 left end edges, working end are provided with working end adpting flange 1, and system end 15 right-hand member edges are provided with system end adpting flange 2.Flame retardant bed 8 is parallel to each other and spacing equates, flame retardant bed 8 place plane parallel are in the cross section of upper back-fire relief cavity 5 or lower back-fire relief cavity 6.Flame retardant bed 8 is copper mesh.Pipeline between tailrace 9 and upper back-fire relief cavity 5 is provided with discharging valve 17.The below inwall of lower back-fire relief cavity 6 is provided with automatic draining parts 10.The little brace rod 12 of fracture 16 both sides is bolted.
Explosion-proof fireproof tempering device of the present utility model is installed between drainage system and extraction work plane, and system end adpting flange 2 is connected with drainage system pipeline and ancillary service, and working end adpting flange 1 is connected with extraction work plane pipeline and ancillary service.Its course of work is as follows: in normal course of operation, when methane gas process flame retardant bed 8, if firing accident appears in burst, the thermolysis of flame retardant bed 8 successively reduces flame, until extinguish.During detachable maintaining, tighten the bolt on little brace rod 12, fastening spacer ring 7 diameters of flame retardant bed are diminished to get loose, the fastening spacer ring 7 of flame retardant bed is taken out in upper back-fire relief cavity 5 or lower back-fire relief cavity 6, can take out the flame retardant bed 8 that the fastening spacer ring of flame retardant bed is installed for 7 times, alternately take out the fastening spacer ring 7 of flame retardant bed and flame retardant bed 8, dismantlement work is completed.When maintenance finishes to install, put into flame retardant bed 8, flame retardant bed 8 is through baffle plate 11 lattice gears, put into again the fastening spacer ring 7 of flame retardant bed and push down flame retardant bed 8, the bolt on the little brace rod 12 that gets loose, fastening spacer ring 7 tensioners of flame retardant bed are fixed, alternately put into successively the fastening spacer ring 7 of flame retardant bed 8 and flame retardant bed, installation.When in upper back-fire relief cavity 5 or lower back-fire relief cavity 6, a large amount of ponding being arranged, open discharging valve 17, ponding enters in tailrace 9.When in upper back-fire relief cavity 5 or lower back-fire relief cavity 6, a small amount of ponding being arranged, ponding can be discharged through automatic draining parts 10.
The above, it is only preferred embodiment of the present utility model, be not to be the utility model to be done the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. explosion-proof fireproof tempering device, comprise back-fire relief cavity (5), lower back-fire relief cavity (6), upper back-fire relief cavity (5) left end is provided with working end (14), working end (14) communicates with upper back-fire relief cavity (5) inside, lower back-fire relief cavity (6) right-hand member is provided with system end (15), system end (15) communicates with lower back-fire relief cavity (6) inside, it is characterized in that: upper back-fire relief cavity (5) and lower back-fire relief cavity (6) are with bolts, all be fixedly connected with baffle plate (11) on the inwall of upper back-fire relief cavity (5) and lower back-fire relief cavity (6), between baffle plate (11), the interval is equipped with flame retardant bed (8) and the fastening spacer ring of flame retardant bed (7), the fastening spacer ring of flame retardant bed (7) becomes annular, and below be provided with fracture (16), fracture (16) two ends are provided with little brace rod (12), little brace rod (12) is provided with connecting hole (13), upper back-fire relief cavity (5) below pipeline is connected with tailrace (9).
2. explosion-proof fireproof tempering device according to claim 1, it is characterized in that: described upper back-fire relief cavity (5) right-hand member is provided with upper cavity adpting flange (3), lower back-fire relief cavity (6) left end is provided with lower chamber adpting flange (4), and upper cavity adpting flange (3) is connected 4 with the lower chamber adpting flange) the bolt connection.
3. explosion-proof fireproof tempering device according to claim 1, it is characterized in that: left end edge, described working end (14) is provided with working end adpting flange (1), and system end (15) right-hand member edge is provided with system end adpting flange (2).
4. explosion-proof fireproof tempering device according to claim 1 is characterized in that: described flame retardant bed (8) is parallel to each other and spacing equates, flame retardant bed (8) place plane parallel is in the cross section of upper back-fire relief cavity (5) or lower back-fire relief cavity (6).
5. explosion-proof fireproof tempering device according to claim 1, it is characterized in that: described flame retardant bed (8) is wire lath.
6. explosion-proof fireproof tempering device according to claim 1, it is characterized in that: the pipeline between described tailrace (9) and upper back-fire relief cavity (5) is provided with discharging valve (17).
7. explosion-proof fireproof tempering device according to claim 1, it is characterized in that: the below inwall of described lower back-fire relief cavity (6) is provided with automatic draining parts (10).
8. explosion-proof fireproof tempering device according to claim 1 is characterized in that: the little brace rod (12) of described fracture (16) both sides is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548826 CN202991109U (en) | 2012-10-25 | 2012-10-25 | Anti-explosion anti-backfire device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548826 CN202991109U (en) | 2012-10-25 | 2012-10-25 | Anti-explosion anti-backfire device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991109U true CN202991109U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548826 Expired - Fee Related CN202991109U (en) | 2012-10-25 | 2012-10-25 | Anti-explosion anti-backfire device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937404A (en) * | 2016-07-08 | 2016-09-14 | 中国矿业大学 | Fast extinguishing device for gas flames sprayed out by fully-mechanized coal mining face short drill hole |
| 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 |
-
2012
- 2012-10-25 CN CN 201220548826 patent/CN202991109U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937404A (en) * | 2016-07-08 | 2016-09-14 | 中国矿业大学 | Fast extinguishing device for gas flames sprayed out by fully-mechanized coal mining face short drill hole |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |