CN219878980U - Flame arrester for gas pipeline - Google Patents
Flame arrester for gas pipeline Download PDFInfo
- Publication number
- CN219878980U CN219878980U CN202321322260.1U CN202321322260U CN219878980U CN 219878980 U CN219878980 U CN 219878980U CN 202321322260 U CN202321322260 U CN 202321322260U CN 219878980 U CN219878980 U CN 219878980U
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- China
- Prior art keywords
- flame
- flame arrester
- fire
- main body
- outer walls
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- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 25
- 239000003063 flame retardant Substances 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 12
- 229920002312 polyamide-imide Polymers 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013016 damping Methods 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 230000000979 retarding effect Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004962 Polyamide-imide Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 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 1
- 230000004075 alteration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 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
- 239000003345 natural gas Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model relates to the technical field of pipeline fire prevention and discloses a flame arrester for a gas pipeline, which comprises a flame arrester main body, wherein flame arrester flanges are arranged on the outer walls of two sides of the flame arrester main body, screw rods are arranged on the outer walls of the flame arrester flanges, locking nuts are connected to the outer walls of two sides of the screw rods in a threaded manner and are used for the flame arrester for the gas pipeline, when a flame pipeline butt joint pipe enters the inner wall of the flame arrester main body through the principle of heat transfer effect and wall effect, flame can be divided into a plurality of tiny flame flows by a metal net, and after the flame passes through a flame arrester core and a buffering shell, the flame can be extinguished, if the flame temperature of the flame entering the flame pipeline butt joint pipe is too high or the flame is too large, the repulsive force generated by the like-like repulsion between two N-pole magnets is formed, so that the purpose of damping effect is realized through the air gap between the like-pole magnets is formed, the pressure inside the flame arrester main body can be buffered, the service life of the device is prolonged, and the practicability of the device is increased.
Description
Technical Field
The utility model relates to the technical field of pipeline fireproof, in particular to a flame arrester for a gas pipeline.
Background
Flame arresters are devices used to prevent flames from propagating along a conduit. Usually consisting of narrow passages through which the gases or vapours can circulate, which passages are small and through which the flame cannot pass. Flame arresters are typically mounted on vents that store flammable liquid storage tanks, piping to supply fuel gas to the burner, certain piping to transport flammable gas inside the plant, and flare stacks. Meanwhile, flame arresters are also used in the exhaust of engines operating in environments where there is a risk of flammability and in the crankcase of small engines.
The existing Chinese patent utility model patent for gas pipeline flame arrester with reference to the issued publication number CN210219330U discloses a natural gas pipeline with flame arrester, "comprising a gas pipeline and a flame arrester body, wherein the flame arrester body comprises a flame arrester inner core installation body, an air inlet seat and an exhaust seat, three groups of flame arrester inner cores are arranged in the flame arrester inner core installation body, each flame arrester inner core comprises an outer ring and a flame arrester plate, and damping springs are connected between corresponding spring grooves on two adjacent outer rings, and the beneficial effects are that: in the utility model, when the expansion impact force generated by the burnt fuel gas is transmitted from the air inlet pipe or the air outlet pipe, the damping springs are used for buffering the impact force received by the three groups of fire-retarding inner cores, so as to protect the fire-retarding inner cores; when the expansion impact force generated by the burnt fuel gas is conducted from the air inlet pipe, the sealing plate is pressed, so that the sealing plate is attached to the sealing ring, and flames are blocked. "
But when the device is used, the impact force received by the fire-retardant inner core is dissuaded by the damping spring to buffer, so that the fire-retardant inner core is dissuaded to protect, but gas generated by combustion can be increased along with the size of flame, when the temperature is too high or the flame continuously burns, the damping spring can lose elasticity, so that the function of buffering is lost, the safety is reduced, the device cannot be cleaned when the inner core of the fire-retardant device is blocked, potential safety hazards can exist, and the device is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a flame arrester for a gas pipeline, which has the advantages of strong practicability and good buffering effect, and solves the problems proposed by the background art.
The utility model provides the following technical scheme: the utility model provides a be used for gas pipeline flame arrester, includes the flame arrester main part, the both sides outer wall of flame arrester main part all is equipped with the flame arrester flange, the outer wall of flame arrester flange is equipped with the screw rod, the both sides outer wall of screw rod all threaded connection has lock nut, the both sides outer wall of flame arrester flange all fixedly mounted with pipeline is to take over, the outer wall of flame arrester main part has cup jointed and has prevented blockking up the subassembly, the both sides outer wall of pipeline is to take over all fixed mounting has pipeline butt flange, the inner wall of flame arrester main part is equipped with the flame arrester subassembly.
As a preferable technical scheme of the utility model, the anti-blocking assembly comprises a heat insulation shell, a heating rod is embedded in an inner cavity of the heat insulation shell, an instrument is fixedly arranged at the top of the heat insulation shell, and a control switch is fixedly arranged on the outer wall of the instrument.
As a preferable technical scheme of the utility model, the number of the heating rods is eight, the eight heating rods are uniformly distributed in the inner cavity of the heat insulation shell, the heat insulation shell is prepared from polyamide imide PAI, and the control switch is electrically connected with the heating rods.
As a preferable technical scheme of the utility model, the fire-retardant assembly comprises a protective shell, wherein a metal net is inlaid on the inner wall of the protective shell, a fire-retardant core is arranged on the outer wall of the protective shell, a buffer shell is arranged on one side, far away from the metal net, of the fire-retardant core, a magnetic block is fixedly assembled on one side, far away from the protective shell, of the buffer shell, an N-pole magnet is inlaid in an inner cavity of the magnetic block, and connecting rods are sleeved on the inner walls of the protective shell, the fire-retardant core and the buffer shell.
As a preferable technical scheme of the utility model, the number of the protective shells and the number of the buffer shells are two, the two protective shells are symmetrically distributed on two sides of the fire-retardant core, the fire-retardant core is positioned between the buffer shells and the protective shells, and the metal net is double-layer.
As a preferable technical scheme of the utility model, the flame arrester main body is prepared from cast iron, the shape of the pipeline butt joint pipe is conical, the flame arrester main body can bear a hydrostatic test of 18 kg/cm pressure, and the screw rod and the two locking nuts are matched for use.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the flame arrester for the gas pipeline, when a flame pipeline is opposite to the inner wall of a connecting pipe and enters the main body of the flame arrester through the principle of heat transfer effect and wall effect, flame can be divided into a plurality of tiny flame flows by a metal net, and can be extinguished after passing through a flame-arresting core and a buffering shell, if the temperature of the flame entering the pipeline is too high or the flame is too large, repulsive force generated by the repulsion of like poles between two N pole magnets is formed, so that an air gap between the like poles is formed to generate damping effect, the purpose of damping is achieved, the pressure inside the main body of the flame arrester can be buffered, the service life of the device is prolonged, and the practicability of the device is improved.
2. This be used for gas pipeline flame arrester, use after a period through the device, through external force pressing control switch for a plurality of heating rods begin to work, can make the heating rod heat the fire-retardant subassembly of flame arrester main part inner wall, can prevent effectively that the condensation product of flame arrester main part inner wall from arousing the fire-retardant subassembly and blockking up, thereby can maintain the normal operating of the device, solved traditional device can not clear up when receiving the jam, can have the problem of potential safety hazard.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the flange structure of the flame arrester of the present utility model;
FIG. 3 is a schematic view of a pipe butt flange according to the present utility model;
FIG. 4 is a schematic view of the anti-clogging assembly of the present utility model;
FIG. 5 is a schematic view of a fire retardant assembly according to the present utility model.
In the figure: 1. a flame arrester body; 2. flame arrester flanges; 3. a screw; 4. a lock nut; 5. a pipe butt joint pipe; 6. an anti-jam assembly; 601. a heat insulating housing; 602. a heating rod; 603. a meter; 604. a control switch; 7. a pipe butt flange; 8. a firestop assembly; 801. a protective shell; 802. a metal mesh; 803. a fire-retardant core; 804. a buffer case; 805. a magnetic block; 806. an N-pole magnet; 807. and (5) connecting a rod.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a flame arrester for a gas pipeline comprises a flame arrester main body 1, wherein flame arrester flanges 2 are arranged on the outer walls of two sides of the flame arrester main body 1, a screw 3 is arranged on the outer wall of the flame arrester flange 2, locking nuts 4 are connected to the outer walls of two sides of the screw 3 in a threaded manner, pipeline butt joint pipes 5 are fixedly assembled on the outer walls of two sides of the flame arrester flange 2, anti-blocking assemblies 6 are sleeved on the outer walls of the flame arrester main body 1, pipeline butt joint flanges 7 are fixedly assembled on the outer walls of two sides of the pipeline butt joint pipes 5, and flame arrester assemblies 8 are arranged on the inner walls of the flame arrester main body 1.
Referring to fig. 4, the anti-blocking assembly 6 includes a heat insulation housing 601, a heating rod 602 is embedded in an inner cavity of the heat insulation housing 601, an instrument 603 is fixedly installed at the top of the heat insulation housing 601, a control switch 604 is fixedly installed on the outer wall of the instrument 603, by using the above structure, the instrument 603 can be observed to confirm whether the device works well at a higher temperature by heating the heating rod 602, and safety of the device is increased.
Referring to fig. 4, the number of heating rods 602 is eight, and eight heating rods 602 are uniformly distributed in the inner cavity of the heat insulation housing 601, the heat insulation housing 601 is prepared by polyamide imide PAI, the control switch 604 is electrically connected with the heating rods 602, by using the above structure, the heating rods 602 can start to work by pressing the control switch 604 by external force, and the fire retarding component 8 on the inner wall of the fire retarding main body 1 is heated, so that the blockage of the fire retarding component 8 caused by condensation products on the inner wall of the fire retarding main body 1 can be effectively prevented, the normal operation of the device can be maintained, and the practicability of the device is increased.
Referring to fig. 5, the fire-retardant component 8 includes a protective shell 801, a metal net 802 is inlaid on an inner wall of the protective shell 801, a fire-retardant core 803 is disposed on an outer wall of the protective shell 801, a buffer shell 804 is disposed on a side of the fire-retardant core 803 away from the metal net 802, a magnetic block 805 is fixedly disposed on a side of the buffer shell 804 away from the protective shell 801, an N-pole magnet 806 is inlaid in an inner cavity of the magnetic block 805, and connecting rods 807 are sleeved on inner walls of the protective shell 801, the fire-retardant core 803 and the buffer shell 804.
Referring to fig. 5, the number of the protective cases 801 and the number of the buffer cases 804 are two, the two protective cases 801 are symmetrically distributed on two sides of the fire-retardant core 803, the fire-retardant core 803 is located between the buffer cases 804 and the protective cases 801, and the metal mesh 802 is a double layer.
Referring to fig. 3, the flame arrester main body 1 is made of cast iron, the pipe butt joint pipe 5 is conical, the flame arrester main body 1 can bear a hydrostatic test of 18 kg/cm pressure, the screw 3 and the two lock nuts 4 are matched for use, by utilizing the structure, the flame arrester main body 1 is corrosion-resistant through the material characteristics of the flame arrester main body 1, the service life of the device can be effectively prolonged, meanwhile, the screw 3 and the lock nuts 4 are matched, detachable connection and fixation can be realized, and the convenience of the device is improved.
The working principle is that when the device is used, flame enters the inner wall of the flame arrester main body 1 through the pipeline butt joint pipe 5, the flame is divided into a plurality of tiny flame flows after passing through the metal mesh 802 in most cases, the flame can be extinguished after passing through the flame retardant core 803 and the buffer shell 804, the principle that the flame can be extinguished is that the heat transfer effect and the wall effect are achieved, when the temperature of the flame is too high or the fire is large, a large amount of pressure is generated after passing through the buffer shell 804, repulsive force generated by the like repulsion between the two N pole magnets 806 can be counteracted with the buffer shell, so that the purpose of buffering can be achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A flame arrester for a gas pipeline, comprising a flame arrester body (1), characterized in that: the fire arrestor comprises a fire arrestor main body (1), wherein fire arrestor flanges (2) are arranged on the outer walls of the two sides of the fire arrestor main body (1), screw rods (3) are arranged on the outer walls of the fire arrestor flanges (2), locking nuts (4) are connected to the outer walls of the two sides of the screw rods (3) in a threaded mode, pipeline butt joint pipes (5) are fixedly assembled on the outer walls of the two sides of the fire arrestor main body (2), anti-blocking assemblies (6) are sleeved on the outer walls of the fire arrestor main body (1), pipeline butt joint flanges (7) are fixedly installed on the outer walls of the two sides of the pipeline butt joint pipes (5), and fire arrestor assemblies (8) are arranged on the inner walls of the fire arrestor main body (1).
2. A flame arrester for gas piping as claimed in claim 1, wherein: anti-blocking subassembly (6) are including insulating housing (601), the inner chamber of insulating housing (601) is inlayed and is had heating rod (602), the fixed instrument (603) that is equipped with in top of insulating housing (601), the outer wall fixed mounting of instrument (603) has control switch (604).
3. A flame arrester for gas conduits as claimed in claim 2, wherein: the number of the heating rods (602) is eight, the eight heating rods (602) are uniformly distributed in the inner cavity of the heat insulation shell (601), the heat insulation shell (601) is prepared by polyamide imide (PAI), and the control switch (604) is electrically connected with the heating rods (602).
4. A flame arrester for gas piping as claimed in claim 1, wherein: the utility model provides a fire-retardant subassembly (8) is including protective housing (801), the inner wall of protective housing (801) is inlayed and is had metal mesh (802), the outer wall of protective housing (801) is equipped with fire-retardant core (803), one side that metal mesh (802) was kept away from to fire-retardant core (803) is equipped with buffer shell (804), one side that protective housing (801) was kept away from to buffer shell (804) is fixed to be equipped with magnetic path (805), the inner chamber of magnetic path (805) is inlayed and is had N utmost point magnet (806), connecting rod (807) have all been cup jointed to the inner wall of protective housing (801), fire-retardant core (803) and buffer shell (804).
5. A flame arrester for gas conduits as recited in claim 4, wherein: the number of the protective shells (801) and the number of the buffer shells (804) are two, the two protective shells (801) are symmetrically distributed on two sides of the fire-retarding core (803), the fire-retarding core (803) is located between the buffer shells (804) and the protective shells (801), and the metal net (802) is double-layer.
6. A flame arrester for gas piping as claimed in claim 1, wherein: the fire arrestor is characterized in that the fire arrestor main body (1) is prepared from cast iron, the pipeline butt joint pipe (5) is conical, the fire arrestor main body (1) can bear a hydrostatic test of 18 kg/cm pressure, and the screw (3) and the two lock nuts (4) are matched for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321322260.1U CN219878980U (en) | 2023-05-29 | 2023-05-29 | Flame arrester for gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321322260.1U CN219878980U (en) | 2023-05-29 | 2023-05-29 | Flame arrester for gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219878980U true CN219878980U (en) | 2023-10-24 |
Family
ID=88411519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321322260.1U Active CN219878980U (en) | 2023-05-29 | 2023-05-29 | Flame arrester for gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219878980U (en) |
-
2023
- 2023-05-29 CN CN202321322260.1U patent/CN219878980U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |