CN112618998A - Pipe end type burning-resistant fire damper - Google Patents
Pipe end type burning-resistant fire damper Download PDFInfo
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- CN112618998A CN112618998A CN202011591960.1A CN202011591960A CN112618998A CN 112618998 A CN112618998 A CN 112618998A CN 202011591960 A CN202011591960 A CN 202011591960A CN 112618998 A CN112618998 A CN 112618998A
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- fire
- rain
- proof cap
- arrester
- flame
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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
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Abstract
The invention discloses a pipe-end type burning-resistant flame arrester which comprises a shell assembly, wherein a flame arrester grid is fixedly connected to the upper portion inside the shell assembly through a bracket, the top of the shell assembly is connected with a rain-proof cap through a resilience assembly, the inner wall of the shell assembly is fixedly connected with a guide plate, a flame arrester net is fixedly connected between two sides of the inner wall of the shell assembly and below the flame arrester grid, and a connecting assembly is arranged between the rain-proof cap and the bracket. This fire-resistant type fire arrester of pipe end formula, the deflector can play the guide effect to flame, makes flame can reach fast and hinders fire screen and back-fire relief bars position to eliminate flame fast, reduce the emergence of tempering phenomenon, thereby make this back-fire relief devices group or effect better, the practicality preferred, when the conflagration operating mode takes place, rain-proof cap regional temperature risees, the fuse of fusible post, rain-proof cap bounces under two torsional spring effects this moment, thereby prevent that the temperature from continuing to gather, reach resistant fever performance.
Description
Technical Field
The invention relates to the technical field of flame arresters, in particular to a pipe-end type burning-resistant flame arrester.
Background
The flame arrester is a safety device for preventing the flame spread of flammable gas and flammable liquid steam, generally installed in the pipeline for conveying flammable gas, or on the ventilated tank, the device for preventing the flame (deflagration or detonation) from passing through, and is composed of a flame arrester core, a flame arrester casing and accessories, the flame arrester is also commonly used on the pipeline for conveying flammable gas, if flammable gas is ignited, the gas flame can be spread to the whole pipe network, in order to prevent the danger, the flame arrester is also adopted, the flame arrester can also be used on the pipeline with open fire equipment to prevent the accident of non-return fire, but it can not prevent the open fire of flammable gas and liquid which are open to burn, the flame arrester is mainly composed of a shell and a filter core, the shell has enough strength to bear the impact pressure generated by explosion, the filter core is the main component for preventing the flame from spreading, the flame passing through the tiny channel of the fire retardant element and cooling in the channel, when the flame is divided to a certain degree, the heat removed through the channel is enough to reduce the temperature below the ignition point of the combustible substance, so that the flame is extinguished, or explained by the wall effect, when the channel is narrow to a certain degree, the collision of free radicals with the wall of the pipeline is dominant, the free radicals are greatly reduced, the combustion reaction can not be continued, and the fire retardant is mainly applied to the following environments or systems: a pipeline for conveying combustible gas; a flare system; an oil gas recovery system; a pipe network of heating furnace fuel gas; a gas purification and gasification system; a gas analysis system; a coal mine gas discharge system; flammable and explosive solvent systems (such as reaction kettles, storage tank vents and the like).
Present spark arrester is in the use, when rain-proof cap inside high temperature, takes place the tempering phenomenon easily, has certain danger, and when flame got into the spark arrester inside, needs the longer time to reach the back-fire relief bars, and the back-fire relief effect is relatively poor, and the practicality is lower.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pipe-end type fire-resistant fire damper, which solves the problems that when the temperature in a rain-proof cap is too high, the tempering phenomenon is easy to occur, the fire damper has certain danger, and when flame enters the fire damper, the flame needs to reach a fire-retardant grid for a long time, the fire-retardant effect is poor, and the practicability is low.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a resistant fever type fire arrester of tube-end formula, includes housing assembly, bracket fixedly connected with back-fire relief bars is passed through to the inside top of housing assembly to housing assembly's top is connected with rain-proof cap through the subassembly that kick-backs, housing assembly's inner wall fixedly connected with deflector to just be located the below fixedly connected with of back-fire relief bars and hinder the fire net between the both sides of housing assembly inner wall, be provided with coupling assembling between rain-proof cap and the bracket.
Coupling assembling includes the bolt with rain-proof cap threaded connection, the bottom of bolt runs through to the inside of rain-proof cap to the bolt is located the inside surperficial threaded connection of rain-proof cap and has the fusible post, the top threaded connection of fusible post inner wall has the long screw, the bottom of long screw runs through to the below of bracket, and threaded connection between long screw and the bracket.
Preferably, the surface of the long screw rod above the bracket is connected with a nut in a threaded manner, and the surface of the long screw rod above the nut is connected with a bearing sleeve in a threaded manner.
Preferably, the resilience assembly comprises a first fixed block fixed on the right side of the shell assembly and a second connecting block fixed inside the rain hat, and the first fixed block and the second connecting block are rotatably connected through a connecting shaft.
Preferably, the surface cover of connecting axle is equipped with two torsional springs, the positive fixedly connected with of second connecting block is used for the separation blade of fixed two torsional springs.
Preferably, the bottom of the shell assembly is provided with a flange part, and the flange part is provided with a mounting hole.
Preferably, the thickness of the fire-retardant net is 3-5mm, and the thickness of the fire-retardant grid is 10-15 mm.
Preferably, the fusible column is made of fusible alloy.
(III) advantageous effects
The invention provides a pipe-end type fire-resistant fire arrester. Compared with the prior art, the method has the following beneficial effects:
(1) this pipe end formula is able to bear or endure type fire arrester, pass through bracket fixedly connected with back-fire relief bars through the inside top of casing assembly, casing assembly's inner wall fixedly connected with deflector, and just be located the below fixedly connected with back-fire relief bars between the both sides of casing assembly inner wall and hinder the fire net, the deflector can play the guide effect to flame, make flame can arrive fast and hinder fire net and back-fire relief bars position, thereby eliminate flame fast, reduce the emergence of tempering phenomenon, thereby make this back-fire relief devices group or effect better, the practicality preferred.
(2) The pipe end type burning-resistant fire damper is characterized in that a rain-proof cap is connected to the top of a shell component through a rebound component, a connecting component is arranged between the rain-proof cap and a bracket and comprises a bolt in threaded connection with the rain-proof cap, the bottom end of the bolt penetrates into the rain-proof cap, the surface of the bolt, which is positioned in the rain-proof cap, is in threaded connection with a fusible column, the top of the inner wall of the fusible column is in threaded connection with a long screw, the bottom end of the long screw penetrates below the bracket and is in threaded connection with the bracket, the rebound component comprises a first fixed block fixed on the right side of the shell component and a second connecting block fixed in the rain-proof cap, the first fixed block and the second connecting block are in rotating connection through a connecting shaft, a double torsion spring is sleeved on the surface of the connecting shaft, a separation blade for fixing the, flame burns in the rain-proof cap outside, makes this regional temperature rise sharply, and when the temperature reached certain numerical value, the fusible column fusing, rain-proof cap bounced off under the effect of two torsional spring resilience power this moment to prevent that the temperature from continuing to gather, reach resistant fever performance.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 3 is a partial enlarged view of the invention at B in fig. 1.
In the figure, 1 shell component, 2 brackets, 3 fire barriers, 4 rebound components, 41 first fixing blocks, 42 second connecting blocks, 43 connecting shafts, 44 double torsion springs, 45 retaining pieces, 5 rain-proof caps, 6 guide plates, 7 fire blocking nets, 8 connecting components, 81 bolts, 82 fusible columns, 83 long screws, 84 nuts, 85 bearing sleeves, 9 flange parts and 10 mounting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a pipe end type fire-resistant fire arrester comprises a shell component 1, a fire-resistant grid 3 is fixedly connected with the upper part of the inner part of the shell component 1 through a bracket 2, the top of the shell component 1 is connected with a rain-proof cap 5 through a rebound component 4, the inner wall of the shell component 1 is fixedly connected with a guide plate 6, the guide plate 6 can guide flame, so that the flame can rapidly reach the positions of the flame retardant net 7 and the flame retardant grid 3, thereby quickly eliminating flame and reducing the occurrence of backfire, thereby leading the fire arrestor group to have better effect and better practicability, and a fire retarding net 7 is fixedly connected between the two sides of the inner wall of the shell component 1 and below the fire retarding grating 3, the fire retarding net 7 can carry out primary fire extinguishing, the working pressure of the subsequent fire retarding grating 3 is reduced, and simultaneously, the medium is subjected to twice fire retardation and extinguishment, so that a better fire retardation effect is achieved, and a connecting assembly 8 is arranged between the rain-proof cap 5 and the bracket 2.
In the embodiment of the invention, the connecting assembly 8 comprises a bolt 81 in threaded connection with the rain hat 5, the bottom end of the bolt 81 penetrates into the interior of the rain hat 5, and the surface of the bolt 81 positioned in the rain hat 5 is in threaded connection with a fusible column 82, the top of the inner wall of the fusible column 82 is in threaded connection with a long screw 83, the bottom end of the long screw 83 penetrates to the lower part of the bracket 2, the long screw 83 is connected with the bracket 2 by screw thread, the surface of the long screw 83 above the bracket 2 is connected with a nut 84 by screw thread, and the surface of the long screw 83 above the nut 84 is connected with a bearing sleeve 85 through threads, when a fire working condition occurs, flame burns on the outer side of the rain hat 5, so that the temperature of the area is sharply increased, when the temperature reaches a certain value, the fusible column 82 is fused, and at the moment, the rain hat 5 bounces off under the action of the resilience force of the double torsion springs 44, so that the temperature is prevented from continuously accumulating, and the burning resistance is achieved.
In the embodiment of the invention, the rebounding assembly 4 comprises a first fixed block 41 fixed on the right side of the casing assembly 1 and a second connecting block 42 fixed inside the rain hat 5, the first fixed block 41 and the second connecting block 42 are rotatably connected through a connecting shaft 43, a double torsion spring 44 is sleeved on the surface of the connecting shaft 43, and a baffle 45 for fixing the double torsion spring 44 is fixedly connected to the front surface of the second connecting block 42.
In the embodiment of the invention, the bottom of the shell assembly 1 is provided with a flange part 9, the flange part 9 is provided with a mounting hole 10, and the flame arrester can be mounted at the end of a pipeline through the flange part 9.
In the embodiment of the invention, the thickness of the fire retardant net 7 is 3-5mm, preferably 4mm, and the thickness of the fire retardant grid 3 is 10-15mm, preferably 12 mm.
In the embodiment of the present invention, the fusible column 82 is made of a fusible alloy.
During the use, utilize connecting bolt to connect this spark arrester in pipeline end department, make the flange portion 9 of casing subassembly 1 and pipeline end be linked together, when medium produced flame in the pipeline, flame reaches earlier under the effect of deflector 6 and hinders fire net 7 departments along with in the medium gets into casing subassembly 1, puts out a fire for the first time, then the medium continues to flow, when reacing back-fire relief bars 3 departments, the medium can pass back-fire relief bars 3, but flame can't pass back-fire relief bars 3, reaches the back-fire relief effect.
When the fire hazard occurs, flame burns outside the rain hat, so that the ambient temperature rapidly rises, when the temperature rises to a certain value, the fusible column 82 is fused and is broken, and the rain hat 5 can be bounced off under the resilience force of the double torsion springs 44, so that the temperature is prevented from continuously accumulating, and the burning resistance effect is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A pipe-end type fire-resistant fire arrester, comprising a housing assembly (1), characterized in that: a fire barrier (3) is fixedly connected to the upper part inside the shell assembly (1) through a bracket (2), a rain-proof cap (5) is connected to the top of the shell assembly (1) through a rebound assembly (4), a guide plate (6) is fixedly connected to the inner wall of the shell assembly (1), a fire barrier net (7) is fixedly connected between the two sides of the inner wall of the shell assembly (1) and below the fire barrier (3), and a connecting assembly (8) is arranged between the rain-proof cap (5) and the bracket (2);
coupling assembling (8) include bolt (81) with rain-proof cap (5) threaded connection, the bottom of bolt (81) runs through to the inside of rain-proof cap (5) to bolt (81) are located the inside surperficial threaded connection of rain-proof cap (5) and have fusible post (82), the top threaded connection of fusible post (82) inner wall has long screw (83), the bottom of long screw (83) runs through to the below of bracket (2), and threaded connection between long screw (83) and bracket (2).
2. The pipe-end fire-resistant arrester of claim 1, wherein: the surface of the long screw rod (83) above the bracket (2) is connected with a nut (84) in a threaded manner, and the surface of the long screw rod (83) above the nut (84) is connected with a bearing sleeve (85) in a threaded manner.
3. The pipe-end fire-resistant arrester of claim 1, wherein: resilience subassembly (4) are including fixing first fixed block (41) on casing subassembly (1) right side and fixing at the inside second connecting block (42) of rain-proof cap (5), rotate through connecting axle (43) between first fixed block (41) and second connecting block (42) and connect.
4. The pipe-end fire-resistant arrester of claim 3, wherein: the surface cover of connecting axle (43) is equipped with two torsional springs (44), the positive fixedly connected with of second connecting block (42) is used for fixed two separation blade (45) of torsional spring (44).
5. The pipe-end fire-resistant arrester of claim 1, wherein: the bottom of the shell component (1) is provided with a flange part (9), and the flange part (9) is provided with a mounting hole (10).
6. The pipe-end fire-resistant arrester of claim 1, wherein: the thickness of the fire retardant net (7) is 3-5mm, and the thickness of the fire retardant grid (3) is 10-15 mm.
7. The pipe-end fire-resistant arrester of claim 1, wherein: the fusible column (82) is made of fusible alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011591960.1A CN112618998A (en) | 2020-12-29 | 2020-12-29 | Pipe end type burning-resistant fire damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011591960.1A CN112618998A (en) | 2020-12-29 | 2020-12-29 | Pipe end type burning-resistant fire damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112618998A true CN112618998A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011591960.1A Pending CN112618998A (en) | 2020-12-29 | 2020-12-29 | Pipe end type burning-resistant fire damper |
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| Country | Link |
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| CN (1) | CN112618998A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963567A (en) * | 2022-05-13 | 2022-08-30 | 哈尔滨玻璃钢研究院有限公司 | Fire-proof cover of fuel oil air heater |
| CN115228018A (en) * | 2021-04-23 | 2022-10-25 | 中国石油化工股份有限公司 | Pipe end burning-resistant flame arrester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094526U (en) * | 1990-03-02 | 1992-01-29 | 中国石油化工总公司北京设计院 | Explosion-proof fire-retardant ventilation cover |
| CN110639148A (en) * | 2019-09-23 | 2020-01-03 | 江苏复森特种阀门有限公司 | Exempt from spark arrester of washing formula |
| CN210521589U (en) * | 2019-09-09 | 2020-05-15 | 陕西宏基源建设有限公司 | Novel pipeline flame arrester |
| CN211634971U (en) * | 2020-01-02 | 2020-10-09 | 营口恒星阀业制造有限公司 | Gas flame arrester |
-
2020
- 2020-12-29 CN CN202011591960.1A patent/CN112618998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094526U (en) * | 1990-03-02 | 1992-01-29 | 中国石油化工总公司北京设计院 | Explosion-proof fire-retardant ventilation cover |
| CN210521589U (en) * | 2019-09-09 | 2020-05-15 | 陕西宏基源建设有限公司 | Novel pipeline flame arrester |
| CN110639148A (en) * | 2019-09-23 | 2020-01-03 | 江苏复森特种阀门有限公司 | Exempt from spark arrester of washing formula |
| CN211634971U (en) * | 2020-01-02 | 2020-10-09 | 营口恒星阀业制造有限公司 | Gas flame arrester |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228018A (en) * | 2021-04-23 | 2022-10-25 | 中国石油化工股份有限公司 | Pipe end burning-resistant flame arrester |
| CN115228018B (en) * | 2021-04-23 | 2023-07-18 | 中国石油化工股份有限公司 | Fire-resistant flame arrester of pipe end |
| CN114963567A (en) * | 2022-05-13 | 2022-08-30 | 哈尔滨玻璃钢研究院有限公司 | Fire-proof cover of fuel oil air heater |
| CN114963567B (en) * | 2022-05-13 | 2023-11-28 | 哈尔滨玻璃钢研究院有限公司 | Fire-proof cover for fuel oil air heater |
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