CN113244550B - High-stability storage tank free discharge flame arrester - Google Patents
High-stability storage tank free discharge flame arrester Download PDFInfo
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- CN113244550B CN113244550B CN202110793631.3A CN202110793631A CN113244550B CN 113244550 B CN113244550 B CN 113244550B CN 202110793631 A CN202110793631 A CN 202110793631A CN 113244550 B CN113244550 B CN 113244550B
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- storage tank
- connecting shell
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- wall
- pressure relief
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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
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- Public Health (AREA)
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Abstract
The invention discloses a high-stability storage tank free discharge flame arrester which comprises an ignition source connecting shell, wherein a storage tank connecting shell is movably mounted at the upper end of the ignition source connecting shell, a flame retarding net is arranged between the storage tank connecting shell and the ignition source connecting shell, two pressure relief branch pipes are arranged on the outer wall of the storage tank connecting shell, and connecting plugs are movably arranged on the end faces of the outer ends of the pressure relief branch pipes. According to the invention, the emergency partition mechanism and the pressure relief mechanism are arranged, so that the fire arrester and the storage tank can be mutually partitioned when the fire-retardant net fails, and the pressure relief mechanism relieves the internal pressure of the fire arrester to the outside, so that the internal stability of the fire arrester is ensured.
Description
Technical Field
The invention relates to the technical field of flame arresters, in particular to a high-stability free-discharge flame arrester for a storage tank.
Background
With the rapid development of social economy, a flame arrester is a safety device for preventing the spread of flame of flammable gas and flammable liquid vapor, and is generally installed in a pipeline for conveying flammable gas or a ventilated tank for preventing the flame from spreading.
However, no partition mechanism exists at the connecting end part between the existing flame arrester and the storage tank, so that once a flame arresting net in the flame arrester breaks down, the flame arrester cannot achieve the purpose of flame arresting; thus, the existing need is not met, for which we propose a high stability storage tank free bleed flame arrestor.
Disclosure of Invention
The invention aims to provide a high-stability storage tank free discharge flame arrester, which aims to solve the problems that no partition mechanism exists at the connecting end part between the existing flame arrester and a storage tank, and once a flame arrester net in the flame arrester breaks down, the flame arrester cannot realize flame arresting and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-stability flame arrester for free discharge of a storage tank comprises an ignition source connecting shell, wherein the upper end of the ignition source connecting shell is movably provided with a storage tank connecting shell, a fire blocking net is arranged between the storage tank connecting shell and the ignition source connecting shell, the outer wall of the storage tank connecting shell is provided with two pressure relief branch pipes, the end faces of the outer ends of the pressure relief branch pipes are movably provided with connecting plugs, the inner wall of the storage tank connecting shell is provided with two pressure relief ports, the axes of the pressure relief ports are overlapped with the axes of the pressure relief branch pipes, and an emergency partition mechanism is arranged in the middle of the top end of the storage tank connecting shell;
urgent wall mechanism includes four symmetric distribution's wall slider, and each wall slider is equal movable setting and is connected casing sliding connection with the storage tank in the inner wall that the casing is connected to the storage tank, the surface of cutting off the slider is provided with cuts off the pulling billet, the top terminal surface of cutting off the pulling billet is provided with cuts off the briquetting, the centre of cutting off one side of briquetting and storage tank connection casing is provided with the extension spring, the opposite side of cutting off the briquetting is provided with the connecting rod, the other end fixed mounting of connecting rod has the partition panel, the partition panel runs through the wall body that the casing was connected to the storage tank and is connected casing sliding connection with the storage tank, the tip outside of cutting off the pulling billet and cutting off the slider and being connected is provided with the inflation piece.
Preferably, the middle activity of pressure release branch pipe is provided with pressure release mechanism, pressure release mechanism includes the activity sealing plug, the one end of activity sealing plug blocks up in pressure release mouthful inboard, the other end outside of activity sealing plug is provided with the go-between, the surface of go-between is provided with two direction sliders, the activity of direction slider set up in the inner wall of pressure release branch pipe with pressure release branch pipe sliding connection, the surface of direction slider is provided with the guide bar, the other end of guide bar runs through pressure release branch pipe and terminal surface and is connected the end cap.
Preferably, the same side of the upper end and the lower end of the partition pulling steel bar is provided with a transfer roller in the middle of the storage tank connecting shell, the other side of the upper end and the lower end of the partition pulling steel bar is provided with a bending transmission roller in the middle of the storage tank connecting shell, a shaft pin penetrates through the transfer roller and the bending transmission roller, and two ends of the shaft pin are inserted into the inner wall of the storage tank connecting shell.
Preferably, the expansion block is made of rubber, the middle of the expansion block is a cavity, and gas which is easy to expand under high temperature is filled in the cavity.
Preferably, the end edges of the fire-retardant net, which are contacted with the ignition source connecting shell and the storage tank connecting shell are provided with alloy sealing rings, and the outer diameters of the alloy sealing rings are consistent with the sizes of the inner walls of the installation parts of the ignition source connecting shell and the ignition source connecting shell.
Preferably, the bottom end of the pressure relief branch pipe is completely attached to the outer wall of the storage tank connecting shell.
Preferably, the outside of guide bar is provided with reset spring, reset spring is located the middle of direction slider and the inner wall of pressure release branch pipe.
Preferably, a support rod is arranged between the movable sealing plug and the connecting ring, and the support rod, the movable sealing plug and the connecting ring are integrally cast and molded.
Compared with the prior art, the invention has the beneficial effects that:
1. when the fire retardant net fails to block flame, the flame enters the interior of the storage tank connecting shell along the fire retardant net, so that the temperature of the inner wall of the storage tank connecting shell is raised, the gas filled in the expansion block is heated to expand, the expansion block is expanded on the outer side of the partition pulling steel bar and pushes the partition sliding block to slide in the inner wall of the storage tank connecting shell, the partition sliding block pulls the partition pulling steel bar to slide in the inner wall of the storage tank connecting shell, meanwhile, the partition pressing block is pulled to slide by the other end of the partition pulling steel bar, so that the partition pressing block pulls the pull spring and pushes the connecting rod to enable the partition boards to extend out from the inner wall of the storage tank connecting shell, the outer surfaces of the four extending partition boards are mutually attached, a channel between the storage tank connecting shell and the storage tank is partitioned, and when the fire retardant net fails in the fire retardant net, the fire retardant and the storage tank are mutually partitioned, flame is prevented from entering the storage tank, so that the safety of the storage tank is ensured;
2. the invention separates the fracture of the storage tank connecting shell by extending the four partition boards out of the inner wall of the storage tank connecting shell and mutually attaching the four partition boards, the pressure in the storage tank connecting shell can be increased, when the pressure in the storage tank connecting shell reaches a certain degree, can push the movable sealing plug which blocks the channel between the pressure relief opening and the pressure relief branch pipe along the pressure relief opening, so that the movable sealing plug drives the connecting ring and the guide slide block to slide in the pressure relief branch pipe, the guide slide block compresses the return spring, meanwhile, the guide slide block drives the guide rod and the connecting plug to move, so that the pressure relief branch pipe blocked by the connecting plug is communicated with the outside, make inside unnecessary pressure of storage tank connection casing and inside flame excrete in to external environment along the passageway of pressure release branch pipe and pressure release mouth intercommunication, the stability of effectual assurance flame arrester internal pressure, and make its natural extinction with flame exhaust external.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a cross-sectional view of the present invention in its entirety;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 at B according to the present invention;
FIG. 5 is a schematic view of a portion of an emergency partition mechanism according to the present invention;
FIG. 6 is a schematic structural view of a pressure relief mechanism according to the present invention;
fig. 7 is a schematic view of the structure of the connection ring of the present invention.
In the figure: 1. the ignition source is connected with the shell; 2. a fire blocking net; 3. an alloy seal ring; 4. the storage tank is connected with the shell; 5. an emergency partition mechanism; 501. a partition panel; 502. a connecting rod; 503. separating and pressing blocks; 504. pulling the steel bar in a partition way; 505. transferring the roller; 506. bending the transmission roller; 507. a tension spring; 508. a partition slide block; 509. an expansion block; 510. sealing the insertion rod; 511. sealing the insertion groove; 6. a pressure relief mechanism; 601. a movable sealing plug; 602. a connecting ring; 603. a guide slider; 604. a guide bar; 605. a return spring; 606. a support bar; 7. a pressure relief branch pipe; 8. a pressure relief port; 9. and connecting the plug.
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.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a high-stability flame arrester for free discharge of a storage tank comprises an ignition source connecting shell 1, wherein a storage tank connecting shell 4 is movably mounted at the upper end of the ignition source connecting shell 1, a fire blocking net 2 is arranged between the storage tank connecting shell 4 and the ignition source connecting shell 1, two pressure relief branch pipes 7 are arranged on the outer wall of the storage tank connecting shell 4, connecting plugs 9 are movably arranged on the outer end faces of the pressure relief branch pipes 7, two pressure relief ports 8 are arranged on the inner wall of the storage tank connecting shell 4, the axis of each pressure relief port 8 is overlapped with the axis of each pressure relief branch pipe 7, and an emergency partition mechanism 5 is arranged in the middle of the top end of the storage tank connecting shell 4;
the emergency partition mechanism 5 comprises four partition sliding blocks 508 which are symmetrically distributed, each partition sliding block 508 is movably arranged in the inner wall of the storage tank connecting shell 4 and is connected with the storage tank in a sliding mode, a partition pulling steel bar 504 is arranged on the surface of the partition sliding block 508, a partition pressing block 503 is arranged on the end face of the top end of the partition pulling steel bar 504, a tension spring 507 is arranged between one side of the partition pressing block 503 and the storage tank connecting shell 4, a connecting rod 502 is arranged on the other side of the partition pressing block 503, a partition plate 501 is fixedly arranged at the other end of the connecting rod 502, the partition plate 501 penetrates through the wall body of the storage tank connecting shell 4 and is connected with the storage tank connecting shell 4 in a sliding mode, and an expansion block 509 is arranged on the outer side of the end portion, connected with the partition sliding block 508, of the partition pulling steel bar 504.
Further, the middle activity of pressure release branch pipe 7 is provided with pressure release mechanism 6, pressure release mechanism 6 includes movable sealing plug 601, the one end of movable sealing plug 601 blocks up 8 inboards at the pressure release, the other end outside of movable sealing plug 601 is provided with go-between 602, the surface of go-between 602 is provided with two direction sliders 603, direction slider 603 activity sets up in the inner wall of pressure release branch pipe 7 with pressure release branch pipe 7 sliding connection, the surface of direction slider 603 is provided with guide bar 604, the other end of guide bar 604 runs through pressure release branch pipe 7 and terminal surface and is connected with connection end cap 9, can excrete the inside unnecessary pressure of flame arrester to the external world, guarantee the stability of flame arrester internal pressure.
Further, the same side of cutting off the upper and lower extreme of pulling billet 504 is provided with switching gyro wheel 505 with the centre that the casing 4 is connected to the storage tank, the opposite side of cutting off the upper and lower extreme of pulling billet 504 is provided with crooked transmission gyro wheel 506 with the centre that the casing 4 is connected to the storage tank, switching gyro wheel 505 all runs through with the centre of crooked transmission gyro wheel 506 and is provided with the pivot, the both ends of pivot are all pegged graft in the inner wall that the casing 4 is connected to the storage tank, switching gyro wheel 505 and crooked transmission gyro wheel 506 guarantee to cut off pulling billet 504 can not reset after crooked and part are connected, can guarantee to cut off pulling billet 504 and be connected the casing 4 with the storage tank and can not appear the friction.
Further, the thrust of the expansion block 509 to the partition sliding block 508 and the partition pulling steel bar 504 after being heated and expanded is far greater than the elastic potential energy of the partition pressing block 503 and the tension spring 507 in the middle of the storage tank connecting casing 4, so that after flame enters the storage tank connecting casing 4, the expansion block 509 can smoothly drive the partition plate 501 to be attached to each other, and partition the storage tank connecting casing 4.
Further, the material of expansion block 509 is rubber, and the centre of expansion block 509 is cavity and cavity inside packing has the gas that receives high temperature easy inflation, can get into the inside back expansion block 509 of storage tank connection casing 4 at flame and expand, and pulling cuts off slider 508 and cuts off pulling billet 504 and remove for partition plate 501 laminates each other and connects casing 4 to the storage tank and cut off.
Further, the end edge that back-fire relief net 2 and ignition source are connected casing 1 and storage tank and are connected 4 contacts of casing all is provided with alloy seal circle 3, and the external diameter and the ignition source of alloy seal circle 3 are connected casing 1 and the installation position inner wall size that ignition source is connected casing 1 unanimous, can guarantee to hinder the leakproofness of net 2 and be connected casing 4 with ignition source and be connected the casing and be connected the back junction of equipment, avoid flame to leak along connecting the gap.
Further, the outer wall that casing 4 is connected to the bottom and the storage tank of pressure release branch pipe 7 is laminated completely, and pressure release branch pipe 7 is connected casing 4 with the storage tank and is passed through integration casting shaping, and integration casting shaping's part integral connection is stable, mechanical strength is high, can not damage easily, and the leakproofness is strong.
Two partition panel 501's both sides all are provided with sealed inserted bar 510, and two other partition panel 501's both sides all are provided with sealed inserting groove 511, and sealed inserted bar 510 activity is pegged graft in sealed inserting groove 511, guarantees to laminate the back at partition panel 501 and adjacent partition panel 501, and the sealing between partition panel 501 and the partition panel 501 avoids flame to get into the storage tank along the gap, guarantees device safety.
Further, the outside of guide bar 604 is provided with reset spring 605, and reset spring 605 is located in the middle of guide slider 603 and the inner wall of pressure release branch pipe 7, can drive guide slider 603 and movable sealing plug 601 to reset after the inside pressure release of storage tank connecting shell 4 finishes for movable sealing plug 601 blocks up pressure release opening 8, guarantees that storage tank connecting shell 4 is sealed.
Further, a support rod 606 is arranged between the movable sealing plug 601 and the connecting ring 602, the support rod 606, the movable sealing plug 601 and the connecting ring 602 are integrally cast, the support rod 606 is connected with the movable sealing plug 601 and the connecting ring 602, and a sufficient gap is ensured between the movable sealing plug 601 and the connecting ring 602, so that the pressure and the flame inside the storage tank connecting shell 4 can be discharged to the outside.
When the device is used, when a fire retardant net 2 in the middle of an ignition source connecting shell 1 and a storage tank connecting shell 4 breaks down and cannot block flame, flame can enter the storage tank connecting shell 4 along the fire retardant net 2, so that the temperature of the inner wall of the storage tank connecting shell 4 rises, gas filled in an expansion block 509 is heated to expand, the expansion block 509 is expanded outside a partition pulling steel bar 504, due to the limitation of the installation space of the expansion block 509, the expansion block 509 can extend along the partition pulling steel bar 504 in the storage tank connecting shell 4, one end of the expansion block 509 pushes a partition sliding block 508 to slide in the inner wall of the storage tank connecting shell 4, the partition sliding block 508 pulls the partition pulling steel bar 504 to slide in the inner wall of the storage tank connecting shell 4, meanwhile, the other end of the partition pulling steel bar 504 pulls a partition pressing block 503 to slide, so that the partition pressing block 503 pulls a tension spring 507 and pushes a connecting rod 502 to make a partition plate 501 extend out of the inner wall of the storage tank connecting shell 4, the surface that makes four partition panels 501 after stretching out laminates each other, and wherein sealed inserted bar 510 of two partition panels 501 sides is pegged graft in the sealed inserting groove 511 inboard of two partition panels 501 sides in addition, cuts off the passageway between casing 4 and the storage tank is connected to the storage tank, can cut off each other between spark arrester and the storage tank when back-fire relief net 2 breaks down, avoids inside flame gets into the storage tank, guarantees the safety of storage tank.
Claims (8)
1. The utility model provides a storage tank free discharge flame arrester of high stability, includes that the ignition source connects casing (1), its characterized in that: a storage tank connecting shell (4) is movably mounted at the upper end of the ignition source connecting shell (1), a fire blocking net (2) is arranged between the storage tank connecting shell (4) and the ignition source connecting shell (1), two pressure relief branch pipes (7) are arranged on the outer wall of the storage tank connecting shell (4), connecting plugs (9) are movably arranged on the outer end faces of the pressure relief branch pipes (7), two pressure relief ports (8) are arranged on the inner wall of the storage tank connecting shell (4), the axis of each pressure relief port (8) is overlapped with the axis of each pressure relief branch pipe (7), and an emergency partition mechanism (5) is arranged in the middle of the top end of the storage tank connecting shell (4);
the emergency partition mechanism (5) comprises four partition sliding blocks (508) which are symmetrically distributed, each partition sliding block (508) is movably arranged in the inner wall of the storage tank connecting shell (4) and is in sliding connection with the storage tank connecting shell (4), a partition pulling steel bar (504) is arranged on the surface of the partition sliding block (508), a partition pressing block (503) is arranged on the end surface of the top end of the partition pulling steel bar (504), a tension spring (507) is arranged between one side of the partition pressing block (503) and the storage tank connecting shell (4), a connecting rod (502) is arranged at the other side of the partition pressing block (503), a partition plate (501) is fixedly arranged at the other end of the connecting rod (502), the partition plate (501) penetrates through the wall body of the storage tank connecting shell (4) and is in sliding connection with the storage tank connecting shell (4), and an expansion block (509) is arranged on the outer side of the end part of the partition pulling steel bar (504) connected with the partition sliding block (508).
2. A high stability storage tank free discharge flame arrestor as defined in claim 1, wherein: the middle activity of pressure release branch pipe (7) is provided with pressure release mechanism (6), pressure release mechanism (6) are including activity sealing plug (601), the one end jam of activity sealing plug (601) is inboard in pressure release mouth (8), the other end outside of activity sealing plug (601) is provided with go-between (602), the surface of go-between (602) is provided with two direction sliders (603), direction slider (603) activity sets up in the inner wall of pressure release branch pipe (7) with pressure release branch pipe (7) sliding connection, the surface of direction slider (603) is provided with guide bar (604), the other end of guide bar (604) runs through pressure release branch pipe (7) and terminal surface and is connected end cap (9).
3. A high stability storage tank free discharge flame arrestor as defined in claim 1, wherein: the connecting device is characterized in that a transfer roller (505) is arranged between the same side face of the upper end and the lower end of the partition pulling steel bar (504) and the storage tank connecting shell (4), a bending transmission roller (506) is arranged between the other side of the upper end and the lower end of the partition pulling steel bar (504) and the storage tank connecting shell (4), a shaft pin penetrates through the middles of the transfer roller (505) and the bending transmission roller (506), and two ends of the shaft pin are inserted into the inner wall of the storage tank connecting shell (4).
4. A high stability storage tank free discharge flame arrestor as defined in claim 1, wherein: the material of expansion piece (509) is rubber, the middle of expansion piece (509) is the cavity and cavity inside is filled with receives the gas of high temperature easy inflation.
5. A high stability storage tank free discharge flame arrestor as defined in claim 1, wherein: and the end edges of the fire blocking net (2) which are contacted with the ignition source connecting shell (1) and the storage tank connecting shell (4) are provided with alloy sealing rings (3).
6. A high stability storage tank free discharge flame arrestor as defined in claim 1, wherein: the bottom end of the pressure relief branch pipe (7) is completely attached to the outer wall of the storage tank connecting shell (4).
7. A high stability storage tank free discharge flame arrestor as defined in claim 2, wherein: and a return spring (605) is arranged on the outer side of the guide rod (604), and the return spring (605) is positioned between the guide sliding block (603) and the inner wall of the pressure relief branch pipe (7).
8. A high stability storage tank free discharge flame arrestor as defined in claim 2, wherein: a support rod (606) is arranged between the movable sealing plug (601) and the connecting ring (602), and the support rod (606), the movable sealing plug (601) and the connecting ring (602) are integrally cast and molded.
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CN202110793631.3A CN113244550B (en) | 2021-07-14 | 2021-07-14 | High-stability storage tank free discharge flame arrester |
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CN202110793631.3A CN113244550B (en) | 2021-07-14 | 2021-07-14 | High-stability storage tank free discharge flame arrester |
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CN113244550B true CN113244550B (en) | 2021-09-07 |
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CN101176813A (en) * | 2007-12-06 | 2008-05-14 | 淮南矿业(集团)有限责任公司 | Bidirectional flame arrester |
CN206535029U (en) * | 2017-03-06 | 2017-10-03 | 湖北展朋新材料股份有限公司 | A kind of chemical industry equipment tail gas anti-explosion fire arrester |
CN110652674A (en) * | 2019-10-23 | 2020-01-07 | 杨富云 | Fire-retardant plug for gas pipeline and its making method |
CN110732106A (en) * | 2019-11-11 | 2020-01-31 | 杨富云 | Flame arrester for gas hose |
CN210623737U (en) * | 2019-09-26 | 2020-05-26 | 江苏复森特种阀门有限公司 | Relief valve for storage tank with quick relief control mechanism |
CN111888693A (en) * | 2020-06-08 | 2020-11-06 | 汪洵 | High pipeline fire prevention ware of security |
CN212986058U (en) * | 2020-07-29 | 2021-04-16 | 江苏嘉胜石油科技有限公司 | Negative pressure safety valve for oil tank truck |
CN212986166U (en) * | 2020-07-29 | 2021-04-16 | 江苏嘉胜石油科技有限公司 | Fire retardant valve for oil tank truck |
CN213064774U (en) * | 2020-09-18 | 2021-04-27 | 抚顺丰业石化机械制造有限公司 | Fire-retardant breather valve |
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2021
- 2021-07-14 CN CN202110793631.3A patent/CN113244550B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101176813A (en) * | 2007-12-06 | 2008-05-14 | 淮南矿业(集团)有限责任公司 | Bidirectional flame arrester |
CN206535029U (en) * | 2017-03-06 | 2017-10-03 | 湖北展朋新材料股份有限公司 | A kind of chemical industry equipment tail gas anti-explosion fire arrester |
CN210623737U (en) * | 2019-09-26 | 2020-05-26 | 江苏复森特种阀门有限公司 | Relief valve for storage tank with quick relief control mechanism |
CN110652674A (en) * | 2019-10-23 | 2020-01-07 | 杨富云 | Fire-retardant plug for gas pipeline and its making method |
CN110732106A (en) * | 2019-11-11 | 2020-01-31 | 杨富云 | Flame arrester for gas hose |
CN111888693A (en) * | 2020-06-08 | 2020-11-06 | 汪洵 | High pipeline fire prevention ware of security |
CN212986058U (en) * | 2020-07-29 | 2021-04-16 | 江苏嘉胜石油科技有限公司 | Negative pressure safety valve for oil tank truck |
CN212986166U (en) * | 2020-07-29 | 2021-04-16 | 江苏嘉胜石油科技有限公司 | Fire retardant valve for oil tank truck |
CN213064774U (en) * | 2020-09-18 | 2021-04-27 | 抚顺丰业石化机械制造有限公司 | Fire-retardant breather valve |
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