CN210750991U - Fire arrestor for pipeline - Google Patents
Fire arrestor for pipeline Download PDFInfo
- Publication number
- CN210750991U CN210750991U CN201921163316.7U CN201921163316U CN210750991U CN 210750991 U CN210750991 U CN 210750991U CN 201921163316 U CN201921163316 U CN 201921163316U CN 210750991 U CN210750991 U CN 210750991U
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- China
- Prior art keywords
- fire
- flame
- intensity
- fire relief
- core
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- Expired - Fee Related
Links
- 239000003063 flame retardant Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000002826 coolant Substances 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Images
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- Thermal Insulation (AREA)
Abstract
The utility model discloses a flame arrester for pipeline, including spark arrester casing and back-fire relief core, two be equipped with the back-fire relief core between the spark arrester casing, the both ends welded fastening of back-fire relief core has the fire prevention dish, two it presss from both sides tightly to be fixed with the back-fire relief buckled plate to hinder between the fire prevention dish, the upper and lower both ends that hinder the fire dish all communicate each other through the nozzle stub, and are equipped with the inlet outlet that stretches out the outside of back-fire relief core on two upper and lower nozzle stubs respectively. The utility model discloses at first under the effect of spoiler, with intensity of a fire dispersion disturbance, the even fire plate that passes through of intensity of a fire after the dispersion, utilize the pipe can absorb the temperature of intensity of a fire, the coolant liquid in the cooperation fire plate, the temperature reduction with higher speed helps lowering the temperature to the intensity of a fire, reduce combustion degree, the effect of rethread back-fire relief buckled plate, further prevent the intensity of a fire to stretch along the pipeline, because this flame arrester adopts symmetrical formula overall arrangement, can reduce the degree that the intensity of a fire stretched by a wide margin, avoid pipe-line system to receive more serious loss, the back-fire relief is effectual.
Description
Technical Field
The utility model belongs to the technical field of the spark arrester device, concretely relates to spark arrester for pipeline.
Background
Flame arrestors are safety devices used to prevent the spread of flames of flammable gases and flammable liquid vapors. The device for preventing the passage of a propagating flame (deflagration or detonation), which is generally installed in a conduit for transporting combustible gases, or in a ventilated tank, consists of a flame-retardant core, a flame-retardant casing and accessories. The large flame is turned into several small flames after the use of the small passages in the flame arrester. When the flame retardant element is designed inside the flame arrester, the contact area between the fine flame and the channel wall is enlarged as much as possible, the heat transfer is enhanced, and the temperature of the flame is reduced below the ignition point, thereby preventing the flame from spreading. Because the component direct absorption heat in the present spark arrester adopts the spark arrester usually, if there is the phenomenon of continuously catching fire, then spark arrester itself will be heated fast, can't derive the heat, is difficult to continue to reduce the temperature of flame, influences the back-fire relief effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spark arrester for pipeline to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flame arrester for pipeline, includes spark arrester casing and back-fire relief core, the both ends difference integration of spark arrester casing is provided with first flange and second flange, two be equipped with back-fire relief core between the spark arrester casing, the both ends welded fastening of back-fire relief core has the fire stopping dish, two it presss from both sides tightly to be fixed with the back-fire relief buckled plate to hinder between the fire stopping dish, the upper and lower both ends that hinder the fire stopping dish all communicate each other through the nozzle stub, and are equipped with the inlet outlet that stretches out the outside of back-fire relief core on two upper and lower nozzle stubs respectively.
Preferably, the second flange between two of said flame arrestor housings is fixedly attached by bolts.
Preferably, a polytetrafluoroethylene sealing ring is arranged between the second flange and the end part of the fire retardant core.
Preferably, the end face of the first flange of the flame arrester housing is provided with a wear-resistant asbestos rubber sealing ring.
Preferably, the fire retardant disc is of a hollow structure, and the fire retardant disc is internally and uniformly provided with guide pipes communicated with the two end faces.
Preferably, a plurality of groups of spoilers are welded and fixed inside the flame arrester shell, two spoilers form a group, the spoilers in one group are opposite in fixing direction, and the spoilers in the adjacent group are distributed in a crossed manner.
The utility model discloses a technological effect and advantage:
at first under the effect of spoiler, with the intensity of a fire dispersion upset, the even fire tray that passes through of intensity of a fire after the dispersion, when the intensity of a fire gets into the fire tray, utilize the pipe can absorb the temperature of the intensity of a fire, the cooperation hinders the coolant liquid in the fire tray, the accelerated temperature reduces, help cooling down the intensity of a fire, reduce the combustion degree, the effect of rethread back-fire relief buckled plate, further prevent the intensity of a fire to stretch along the pipeline, because this flame arrester adopts symmetrical formula overall arrangement, can reduce the degree that the intensity of a fire stretches by a wide margin, avoid pipe-line system to receive more serious loss, the back-fire relief is effectual.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the unfolding structure of the present invention.
In the figure: 1 first flange, 2 spark arrester casings, 3 second flanges, 4 back-fire relief cores, 5 inlet and outlet, 6 bolts, 7 wear-resisting asbestos rubber sealing rings, 8 spoilers, 9 back-fire plate, 901 pipe, 10 back-fire relief buckled plates, 11 nozzle stub.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a flame arrester for pipeline, including flame arrester casing 2 and back-fire relief core 4, the both ends of flame arrester casing 2 integration respectively are provided with first flange 1 and second flange 3, two be equipped with back-fire relief core 4 between the flame arrester casing 2, the both ends welded fastening of back-fire relief core 4 has back-fire relief dish 9, two it is fixed with back-fire relief buckled plate 10 to block to press from both sides between the dish 9 to press from both sides tightly, the upper and lower both ends that block dish 9 all communicate each other through nozzle 11, and are equipped with respectively on two upper and lower nozzle 11 and stretch out the outside inlet outlet 5 of back-fire relief core 4.
The second flange 3 between the two flame arrester housings 2 is fixedly connected by means of bolts 6.
And a polytetrafluoroethylene sealing ring is arranged between the second flange 3 and the end part of the fire retardant core 4. For sealing between the second flange 3 and the firestop core 4.
And a wear-resistant asbestos rubber sealing ring 7 is arranged on the end face of the first flange 1 of the flame arrester shell 2.
The fire retardant disc 9 is of a hollow structure, and conduits 901 communicating two end faces are uniformly distributed in the fire retardant disc 9. The conduit 901 is used for gas to pass through, and simultaneously transfers heat to the fire retardant disc 9 when the gas passes through, so that the temperature of combustible materials is reduced, the fire point is prevented from being reached, and the fire is prevented from spreading.
A plurality of groups of spoilers 8 are welded and fixed inside the flame arrester shell 2, two spoilers 8 form a group, the fixing directions of the spoilers 8 in one group are opposite, and the spoilers 8 in the adjacent group are distributed in a crossed manner. Utilize the spoiler 8 can lead to the gas in the pipeline, utilize opposite spoiler 8 can avoid the flame to continue to extend forward, cooperate intercrossing spoiler 8 for gas becomes the dispersion, is favorable to passing through fire blocking plate 9.
The inlet and outlet 5 that is located the top is used for the coolant liquid to get into, and the inlet and outlet 5 that is located the below is used for the coolant liquid to flow out to can fill the coolant liquid to the inside of back-fire relief dish 9, improve the cooling effect.
It is specific, in the use, when taking place to catch fire in the pipeline, the intensity of a fire stretches to when this device, at first under the effect of spoiler 8, disperse the intensity of a fire and disturb, even passing through of intensity of a fire after the dispersion hinders fire tray 9, when the intensity of a fire gets into and hinders fire tray 9, utilize pipe 901 can absorb the temperature of the intensity of a fire, the cooperation hinders the coolant liquid in fire tray 9, the accelerated temperature reduces, help cooling to the intensity of a fire, reduce the combustion degree, the effect of rethread back-fire relief buckled plate 10, further prevent the intensity of a fire to stretch along the pipeline, because this flame arrester adopts symmetrical formula overall arrangement, can reduce the degree that the intensity of a fire stretches by a wide margin, avoid pipe-line system to receive more serious loss, the back-fire relief is effectual.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A flame arrester for a pipeline comprises a flame arrester housing (2) and a flame arrester core (4), and is characterized in that: the both ends of spark arrester casing (2) integration respectively are provided with first flange (1) and second flange (3), two be equipped with back-fire relief core (4) between spark arrester casing (2), the both ends welded fastening of back-fire relief core (4) has back-fire relief dish (9), two it presss from both sides tightly to be fixed with back-fire relief buckled plate (10) to hinder between dish (9), the upper and lower both ends that hinder back-fire relief dish (9) all communicate each other through nozzle stub (11), and are equipped with respectively on two upper and lower nozzle stub (11) and stretch out outside inlet outlet (5) of back-fire relief core (4).
2. A flame arrestor for a pipe as defined in claim 1, wherein: and a second flange (3) between the two flame arrester shells (2) is fixedly connected through a bolt (6).
3. A flame arrestor for a pipe as defined in claim 1, wherein: and a polytetrafluoroethylene sealing ring is arranged between the second flange (3) and the end part of the fire retardant core (4).
4. A flame arrestor for a pipe as defined in claim 1, wherein: and the end face of the first flange (1) of the flame arrester shell (2) is provided with a wear-resistant asbestos rubber sealing ring (7).
5. A flame arrestor for a pipe as defined in claim 1, wherein: the fire retardant disc (9) is of a hollow structure, and conduits (901) communicating two end faces are uniformly distributed in the fire retardant disc (9).
6. A flame arrestor for a pipe as defined in claim 1, wherein: a plurality of groups of spoilers (8) are welded and fixed inside the flame arrester shell (2), two spoilers (8) form a group, the spoilers (8) in one group are opposite in fixing direction, and the spoilers (8) in the adjacent group are distributed in a cross mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921163316.7U CN210750991U (en) | 2019-07-23 | 2019-07-23 | Fire arrestor for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921163316.7U CN210750991U (en) | 2019-07-23 | 2019-07-23 | Fire arrestor for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210750991U true CN210750991U (en) | 2020-06-16 |
Family
ID=71057547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921163316.7U Expired - Fee Related CN210750991U (en) | 2019-07-23 | 2019-07-23 | Fire arrestor for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210750991U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018731A (en) * | 2021-04-01 | 2021-06-25 | 孙祥淇 | Dispersed airflow explosion-proof fire arrester |
| CN113144472A (en) * | 2021-03-15 | 2021-07-23 | 江苏复森特种阀门有限公司 | Detachable flame arrester |
| CN114504753A (en) * | 2022-01-17 | 2022-05-17 | 浙江上石化机械有限公司 | Fire arrestor with alarm function |
| CN115192941A (en) * | 2022-07-15 | 2022-10-18 | 合肥工业大学智能制造技术研究院 | Fire retardant device for preventing backfire of fuel cell automobile exhaust pipeline |
| CN115228007A (en) * | 2021-04-23 | 2022-10-25 | 中国石油化工股份有限公司 | Fire-resistant fire retardant device |
| WO2023045362A1 (en) * | 2021-09-24 | 2023-03-30 | 中国石油化工股份有限公司 | Flame arrester capable of automatically eliminating defects of fire arresting portion |
-
2019
- 2019-07-23 CN CN201921163316.7U patent/CN210750991U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144472A (en) * | 2021-03-15 | 2021-07-23 | 江苏复森特种阀门有限公司 | Detachable flame arrester |
| CN113018731A (en) * | 2021-04-01 | 2021-06-25 | 孙祥淇 | Dispersed airflow explosion-proof fire arrester |
| CN115228007A (en) * | 2021-04-23 | 2022-10-25 | 中国石油化工股份有限公司 | Fire-resistant fire retardant device |
| CN115228007B (en) * | 2021-04-23 | 2023-09-08 | 中国石油化工股份有限公司 | Fire-resistant flame arrester |
| WO2023045362A1 (en) * | 2021-09-24 | 2023-03-30 | 中国石油化工股份有限公司 | Flame arrester capable of automatically eliminating defects of fire arresting portion |
| CN114504753A (en) * | 2022-01-17 | 2022-05-17 | 浙江上石化机械有限公司 | Fire arrestor with alarm function |
| CN115192941A (en) * | 2022-07-15 | 2022-10-18 | 合肥工业大学智能制造技术研究院 | Fire retardant device for preventing backfire of fuel cell automobile exhaust pipeline |
| CN115192941B (en) * | 2022-07-15 | 2023-10-27 | 合肥工业大学智能制造技术研究院 | Fire-retarding device for preventing backfire of fuel cell automobile exhaust pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |