CN220833912U - Eccentric reducing flame arrester - Google Patents
Eccentric reducing flame arrester Download PDFInfo
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- CN220833912U CN220833912U CN202322507515.8U CN202322507515U CN220833912U CN 220833912 U CN220833912 U CN 220833912U CN 202322507515 U CN202322507515 U CN 202322507515U CN 220833912 U CN220833912 U CN 220833912U
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- pipe
- pipeline
- fire
- pipe orifice
- orifice
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- 230000000979 retarding effect Effects 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 230000002829 reductive effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000003063 flame retardant Substances 0.000 abstract description 10
- 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 compound 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 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Gas Burners (AREA)
Abstract
The utility model discloses an eccentric reducing flame arrester, which comprises a flame-retardant element, wherein one end of the flame-retardant element is connected with a first pipeline, and the other end of the flame-retardant element is connected with a second pipeline; the inner diameter of the first pipeline gradually becomes smaller from the pipe orifice close to the fire retarding element to the pipe orifice far away from the fire retarding element, the pipe orifices at the two ends of the first pipeline are eccentrically arranged, and when a circle formed by axially projecting one pipe orifice in the first pipeline and a circle formed by axially projecting the other pipe orifice in the first pipeline are on the same plane, the two circles are inscribed at the top position, and a sewage disposal device is arranged at the position, close to the fire retarding element, of the side wall at the bottom of the first pipeline. The water or the easily-condensed liquid contained in the gas naturally flows to the vicinity of the sewage outlet along the inclination of the first pipeline, and accumulated liquid in the channel is cleaned through the sewage outlet at regular intervals, so that the gas passing capacity of the channel is improved.
Description
Technical Field
The utility model relates to the technical field of fire arresters, in particular to an eccentric reducing fire arrestor.
Background
Flame arresters, also known as flame arresters, and the like, are composed of a solid material containing a plurality of fine passages or slits, and are a safety device capable of preventing the passage of flames while allowing gases to flow therethrough. Flame arresters are generally mounted on tanks and pipelines for transporting or discharging flammable and explosive gases, and attempt to inhibit the propagation of flames in the early stages of the development of the flames, or even if the detonation occurs, the flame arresters can be used for effectively inhibiting the detonation, so that the flame arresters are widely applied to various tanks and pipelines for transporting the flammable gases in the industries of petroleum, chemical engineering, mining, transportation and the like.
Currently, existing flame arresters generally comprise a flame arrester element, wherein pipelines are fixedly connected to two ends of the flame arrester element, and when the flame arrester is horizontally installed, liquid components in gas, such as water or easily condensed liquid components, form liquid accumulation at the bottom of the pipelines. Because the existence of hydrops, actual flow area can be less than the design value, can cause the condition that pressure drop increases, be unfavorable for user system operation, also have certain potential safety hazard simultaneously.
In view of this, there is a need for improvements over the prior art.
Disclosure of utility model
The utility model aims to provide an eccentric reducing flame arrester, which aims to at least solve one of the technical problems in the prior art, and adopts the following technical scheme to realize the purposes:
An eccentric reducing flame arrester comprises a flame-retardant element, wherein one end of the flame-retardant element is connected with a first pipeline, and the other end of the flame-retardant element is connected with a second pipeline;
The inner diameter of the first pipeline gradually becomes smaller from the pipe orifice close to the fire retarding element to the pipe orifice far away from the fire retarding element, the pipe orifices at the two ends of the first pipeline are eccentrically arranged, and when a circle formed by one pipe orifice in the first pipeline along the axial projection of the pipe orifice is on the same plane with a circle formed by the other pipe orifice along the axial projection of the pipe orifice, the two circles are inscribed at the top position, and a sewage disposal device is arranged at the position, close to the fire retarding element, of the side wall at the bottom of the first pipeline;
The inner diameter of the second pipeline is gradually reduced from the pipe orifice close to the fire retarding element to the pipe orifice far away from the fire retarding element, the pipe orifices at the two ends of the second pipeline are eccentrically arranged, and when a circle formed by one pipe orifice in the second pipeline along the axial projection of the pipe orifice is in the same plane with a circle formed by the other pipe orifice along the axial projection of the pipe orifice, the two circles are inscribed at the bottom position.
Preferably, the pipe orifice of the first pipeline, which is close to the fire retarding element, is fixedly connected with the fire retarding element through a first flange, and a second flange is arranged at the pipe orifice of the first pipeline, which is far away from the fire retarding element, and is used for being connected with the pipeline for conveying the combustible gas.
Preferably, the sewage draining device comprises a sewage draining outlet arranged on the side wall of the bottom of the first pipeline, a sewage draining pipe is welded on the sewage draining outlet, and a plug or a pipe plug bolt is detachably arranged in the sewage draining pipe.
Preferably, the pipe orifice of the second pipe close to the fire retarding element is fixedly connected with the fire retarding element through a third flange, and a fourth flange is arranged at the pipe orifice of the second pipe far away from the fire retarding element and is used for being connected with a pipe for conveying combustible gas.
Compared with the prior art, the utility model has the beneficial effects that:
According to the eccentric reducing flame arrester disclosed by the utility model, water or easily-condensed liquid contained in gas can naturally flow to the vicinity of the sewage outlet along the inclination of the first pipeline, and accumulated liquid in the channel is cleaned through the sewage outlet periodically, so that the gas passing capacity of the channel is improved. In addition, the first pipeline is arranged to be of a top flat type structure, and the second pipeline is arranged to be of a bottom flat type structure, so that the whole channel is internally provided with certain resistance, the propagation of flame is restrained, and the fire-retarding effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a fire retardant element; 2. a first pipe; 3. a first flange; 4. a second flange; 5. a sewage outlet; 6. a blow-down pipe; 7. plugs or pipe plug bolts; 8. a second pipe; 9. a third flange; 10. and a fourth flange.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Furthermore, in the description of the present utility model, it should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a preferred embodiment of the present utility model provides an eccentric reducing flame arrester, which comprises a flame arrester element 1, wherein the flame arrester element 1 is of the prior art, and is not described herein again.
A first pipe 2 is connected to one end of the firestop element 1. Specifically, the first pipe 2 is a reducing pipe, and the inner diameter of the first pipe 2 gradually decreases from the pipe orifice near the firestop element 1 to the pipe orifice far from the firestop element 1. In addition, the pipe orifices at two ends of the first pipe 2 are eccentrically arranged, and when a circle formed by one pipe orifice in the first pipe 2 along the axial projection of the pipe orifice is in the same plane with a circle formed by the other pipe orifice along the axial projection of the pipe orifice, the two circles are inscribed at the top position, namely the first pipe 2 is in a top flat structure.
The pipe orifice of the first pipeline 2, which is close to the fire retarding element 1, is fixedly connected with the fire retarding element 1 through a first flange 3, and the pipe orifice of the first pipeline 2, which is far away from the fire retarding element 1, is provided with a second flange 4 for being connected with a pipeline for conveying combustible gas.
The position, close to the fire retarding element 1, of the bottom side wall of the first pipeline 2 is provided with a sewage draining device, specifically, the sewage draining device comprises a sewage draining outlet 5 arranged on the bottom side wall of the first pipeline 2, a sewage draining pipe 6 is welded on the sewage draining outlet 5, and a plug or a pipe plug bolt 7 is detachably arranged in the sewage draining pipe 6.
A second pipe 8 is connected to the other end of the firestop element 1. Specifically, the second pipe 8 is a reducing pipe, and the inner diameter of the second pipe 8 gradually decreases from the pipe orifice near the firestop element 1 to the pipe orifice far from the firestop element 1. In addition, the pipe orifices at two ends of the second pipe 8 are eccentrically arranged, and when a circle formed by one pipe orifice in the second pipe 8 along the axial projection of the pipe orifice is in the same plane with a circle formed by the other pipe orifice along the axial projection of the pipe orifice, the two circles are inscribed at the bottom position, namely the second pipe 8 is of a bottom flat structure.
Wherein, the mouth of pipe that second pipeline 8 is close to fire-retardant element 1 passes through third flange 9 and fire-retardant element 1 fixed connection, is equipped with fourth flange 10 at the mouth of pipe that second pipeline 8 kept away from fire-retardant element 1 for with the pipeline connection of transmission combustible gas.
The first pipeline 2 is arranged to be of a top flat type structure, the second pipeline 8 is arranged to be of a bottom flat type structure, so that the whole channel is internally provided with certain resistance, the propagation of flame is further restrained, and the fire-retarding effect is improved.
The flame arrester is installed in a pipeline for conveying combustible gas, and the first pipeline 2 can be used as an inlet pipeline of the gas or an outlet pipeline of the gas. The water or the liquid which is easy to condense and contained in the gas naturally flows to the lowest point of the first pipeline 2 along the inclination of the first pipeline 2, namely, the vicinity of the sewage outlet 5, and a user can open the sewage outlet 5 to discharge the accumulated liquid at regular time or according to the use condition.
In summary, according to the eccentric reducing flame arrester disclosed by the embodiment of the utility model, water or easily-condensed liquid contained in the gas naturally flows to the vicinity of the sewage outlet along the inclination of the first pipeline, and accumulated liquid in the channel is cleaned through the sewage outlet periodically, so that the gas passing capability of the channel is improved. In addition, the first pipeline is arranged to be of a top flat type structure, and the second pipeline is arranged to be of a bottom flat type structure, so that the whole channel is internally provided with certain resistance, the propagation of flame is restrained, and the fire-retarding effect is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (4)
1. An eccentric reducing flame arrester comprises a flame arrester element and is characterized in that one end of the flame arrester element is connected with a first pipeline, and the other end of the flame arrester element is connected with a second pipeline;
The inner diameter of the first pipeline gradually becomes smaller from the pipe orifice close to the fire retarding element to the pipe orifice far away from the fire retarding element, the pipe orifices at the two ends of the first pipeline are eccentrically arranged, and when a circle formed by one pipe orifice in the first pipeline along the axial projection of the pipe orifice is on the same plane with a circle formed by the other pipe orifice along the axial projection of the pipe orifice, the two circles are inscribed at the top position, and a sewage disposal device is arranged at the position, close to the fire retarding element, of the side wall at the bottom of the first pipeline;
The inner diameter of the second pipeline is gradually reduced from the pipe orifice close to the fire retarding element to the pipe orifice far away from the fire retarding element, the pipe orifices at the two ends of the second pipeline are eccentrically arranged, and when a circle formed by one pipe orifice in the second pipeline along the axial projection of the pipe orifice is in the same plane with a circle formed by the other pipe orifice along the axial projection of the pipe orifice, the two circles are inscribed at the bottom position.
2. An eccentric reducing fire arrestor as defined in claim 1, characterized in that the orifice of the first pipe near the fire-retarding element is fixedly connected with the fire-retarding element by a first flange, and the orifice of the first pipe far from the fire-retarding element is provided with a second flange for connection with the pipe for transporting the combustible gas.
3. The eccentric reducing flame arrester of claim 1 wherein the blow-down device comprises a blow-down port provided on a side wall of the bottom of the first pipe, a blow-down pipe is welded on the blow-down port, and a plug or a pipe plug bolt is detachably provided in the blow-down pipe.
4. An eccentric reducing fire arrestor as defined in claim 1, characterized in that the orifice of the second pipe close to the fire-retarding element is fixedly connected with the fire-retarding element by a third flange, and a fourth flange is provided at the orifice of the second pipe far from the fire-retarding element for connection with the pipe for transporting the combustible gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322507515.8U CN220833912U (en) | 2023-09-15 | 2023-09-15 | Eccentric reducing flame arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322507515.8U CN220833912U (en) | 2023-09-15 | 2023-09-15 | Eccentric reducing flame arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220833912U true CN220833912U (en) | 2024-04-26 |
Family
ID=90774916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322507515.8U Active CN220833912U (en) | 2023-09-15 | 2023-09-15 | Eccentric reducing flame arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220833912U (en) |
-
2023
- 2023-09-15 CN CN202322507515.8U patent/CN220833912U/en active Active
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