CN115105768B

CN115105768B - Unsteady state detonation spark arrester

Info

Publication number: CN115105768B
Application number: CN202210807272.7A
Authority: CN
Inventors: 刘利利; 舒丹; 张雪; 舒远; 李明星; 张保琦; 郑艳
Original assignee: Xuzhou Shengan Industrial Safety Testing Research Institute Co ltd
Current assignee: Xuzhou Shengan Industrial Safety Testing Research Institute Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-03-03
Anticipated expiration: 2042-07-11
Also published as: CN115105768A

Abstract

The invention discloses an unstable detonation flame arrester, and belongs to the field of unstable detonation flame arresters. An unsteady-state detonation flame arrestor, comprising: the device comprises diameter-variable connecting pipes which are symmetrically arranged, wherein one ends of the diameter-variable connecting pipes are welded with connecting pipes, and first connecting units are welded on the connecting pipes; the extension pipe is arranged at one end, far away from the connecting pipe, of the reducing adapter pipe, a second connecting unit is arranged at one end, far away from the reducing adapter pipe, of the extension pipe, and the two second connecting units are detachably connected through a connecting bolt and a connecting nut; the flame arrester is convenient to process and assemble and can buffer the impact of flame, so that the flame arrester can be used in a pipeline with an uncertain ignition source position, the quantity of the elbows and the quantity of the valves are not limited, the heat absorption efficiency of a flame arresting element in the flame arrester is effectively improved, the flame arresting efficiency of the flame arrester is increased, and the propagation of unstable detonation can be effectively prevented.

Description

Unsteady state detonation spark arrester

Technical Field

The invention relates to the technical field of unstable detonation flame arresters, in particular to an unstable detonation flame arrester.

Background

Hydrogen energy is widely used as a novel energy source, is environment-friendly and efficiently utilized, and is more and more emphasized. In the hydrogen energy industry chain, the storage, transportation and abandonment of hydrogen play an important role in the production, use and abandonment links of hydrogen energy, and because hydrogen is flammable and explosive, the guarantee of safety and high efficiency in the storage, transportation and abandonment is extremely important. At present, relief devices such as a bursting plate and the like are adopted in hydrogen energy storage to achieve the purpose of explosion overpressure relief, but no effective fire-retardant and explosion-proof device exists in storage, transportation and waste treatment, the position of a potential ignition source is not clear, a plurality of pipelines are bent, and in the prior art, a deflagration flame arrester or a stable detonation flame arrester has strict limitations on the position, the length, the bent pipe and the like of the ignition source, so that the flame arrester cannot be installed at any position to successfully retard fire, and therefore, the unstable detonation flame arrester for the hydrogen energy storage, transportation or waste treatment pipeline is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a deflagration flame arrester or a stable detonation flame arrester has strict limitations on the position of a ignition source, the length of a pipeline, a bent pipe and the like, and the flame arrester cannot be installed at any position to successfully retard fire, and provides an unsteady detonation flame arrester.

In order to achieve the purpose, the invention adopts the following technical scheme:

an unsteady-state detonation flame arrestor, comprising: the connecting pipe is welded at one end of the reducing connecting pipe, and a first connecting unit is welded on the connecting pipe; the extension pipe is arranged at one end, far away from the connecting pipe, of the reducing connecting pipe, second connecting units are arranged at one end, far away from the reducing connecting pipe, of the extension pipe, and the two second connecting units are detachably connected through connecting bolts and connecting nuts; the sewage draining outlets are symmetrically arranged at one end of the extension pipe close to the reducing adapter, and a sealing cover is in threaded connection with the sewage draining outlets; the pressure reducing plate is arranged in the extension pipe in a sliding mode, an elastic component is arranged on the pressure reducing plate, and a plurality of flow holes which are arranged at equal intervals are formed in the pressure reducing plate; the fire-retardant ring is clamped between the two extension pipes and is in sealing connection with the extension pipes; first fire retardant components are fixedly arranged at two ends of the fire retardant ring, a second fire retardant component is rotatably arranged between the two first fire retardant components, rotating rods are symmetrically arranged at the circle center of the second fire retardant component, and the rotating rods are fixedly connected with the second fire retardant component; the ratchet wheel is fixedly arranged at one end, far away from the second fire retardant component, of the rotating rod; the first connecting component is arranged on the ratchet wheel, is far away from the rotating rod and penetrates through the first fire retardant component, and the first connecting component is in rotary sealing connection with the first fire retardant component; the first driving assembly is arranged on the pressure reducing plate, one end, far away from the pressure reducing plate, of the first driving assembly is arranged in the first connecting assembly, a driving unit is arranged on the first driving assembly, a driving surface is arranged in the first connecting assembly, and when the pressure reducing plate moves towards the first fire retardant assembly, the driving unit on the first driving assembly is matched with the driving surface in the first connecting assembly to drive the first connecting assembly to rotate; the spraying assembly is arranged in the first connecting assembly, the spraying assembly is arranged between the first fire retardant assembly and the second fire retardant assembly, graphene powder is arranged in the spraying assembly, and when the first connecting assembly rotates, the spraying assembly automatically pops out under the action of centrifugal force to spray the graphene powder to the space between the first fire retardant assembly and the second fire retardant assembly.

Preferably, the first connection unit includes an end flange, the end flange is welded at one end of the connection pipe far away from the reducing adapter, the second connection unit includes a connection flange, and the connection flange is welded at one end of the extension pipe far away from the reducing adapter.

Preferably, the intraductal welding of extension has solid fixed ring, gu be provided with the first spout that a plurality of equidistance were arranged on the fixed ring, be provided with the link block that corresponds with first spout on the pressure reducing plate, the elasticity subassembly is including setting up the first spring on link block, the one end threaded connection that the extension pipe is close to flange has first spacing ring, be provided with the pressure relief groove that a plurality of equidistance were arranged on the first spacing ring.

Preferably, first back-fire relief subassembly is including the fixed thin back-fire relief bars that sets up at back-fire relief ring both ends, second back-fire relief subassembly is including rotating the thick back-fire relief bars that sets up in back-fire relief intra-annular, just thick back-fire relief bars sets up between two thin back-fire relief bars, the one end that thin back-fire relief bars is close to thick back-fire relief bars is provided with the multilayer silk screen.

Preferably, one end of the connecting flange, which is close to the flame-retardant ring, is provided with a sealing clamping block, the flame-retardant ring is provided with a sealing clamping groove corresponding to the sealing clamping block, a first gap is formed between the first limiting ring and one end, which is far away from the reducing adapter tube, of the extension tube, the flame-retardant ring is provided with a second limiting ring corresponding to the first gap, and the outer side of the flame-retardant ring is provided with a limiting flange corresponding to the connecting flange.

Preferably, first coupling component is including setting up the sleeve on the ratchet, the one end that the ratchet was kept away from to the sleeve runs through thin back-fire relief bars, just the sleeve is connected with the sealed rotation of thin back-fire relief bars, the one end that the ratchet was kept away from to the sleeve is provided with the drive line, first drive assembly is including setting up the dead lever on the pressure reduction board, the dead lever sets up and is close to telescopic one end at the pressure reduction board, just the one end setting that the pressure reduction board was kept away from to the dead lever is in the sleeve, drive unit is including setting up the drive block on the dead lever, the drive block is corresponding with the drive line.

Preferably, the spraying assembly comprises a sliding rod arranged on a sleeve, the sliding rod is symmetrically arranged between a thin fire retardant grid and a thick fire retardant grid, second sliding grooves are symmetrically formed in the sleeve, the sliding rod is in threaded connection with the second sliding grooves, an injection rod slides in the sliding rod in a sealing mode, spraying ports are symmetrically formed in the injection rod, and a third spring is arranged between the injection rod and the bottom of the sliding rod.

Preferably, be provided with the pivot in the injection pole, the one end of pivot runs through the injection pole bottom, just the pivot is rotated with the sealed rotation in injection pole bottom and is connected, the pivot is provided with the drive groove in the one end of injection pole bottom, second spout bottom is provided with the actuating lever that corresponds with the drive groove, the one end of pivot in the injection pole is provided with at least two sets of stirring leaves, the one end that the actuating lever was kept away from in the pivot runs through the injection pole top, just the pivot is rotated with the sealed rotation in injection pole top and is connected, the one end that the actuating lever was kept away from in the pivot is provided with the charge door, the one end symmetry of charge door in the injection pole is provided with the feed inlet, just a terminal screw thread connection that the pivot is close to the charge door has first lid.

Preferably, a sliding cavity is arranged in the sleeve, a sealing plate slides in the sliding cavity in a sealing manner, a first air inlet is formed in the sealing plate, a second spring is arranged between the sealing plate and the bottom of the sliding cavity, an air storage cavity is arranged in the sleeve, and the air storage cavity is communicated with the inside of the sliding cavity through an air groove.

Preferably, an annular groove is formed in the bottom of the second sliding groove, the annular groove is communicated with the gas storage cavity, a connecting groove corresponding to the annular groove is formed in the bottom of the sliding rod, an air inlet pipe is arranged between the connecting groove and the bottom of the injection rod, and a first check valve is arranged at one end, close to the injection rod, of the air inlet pipe.

Compared with the prior art, the invention provides an unsteady state detonation flame arrester, which has the following beneficial effects:

1. this unsteady state detonation spark arrester, through placing the extension intraductal with the decompression board, the one side that will have first spring when placing the decompression board is towards flange's one side, then carry on spacingly first spring in being connected to the extension pipe with first spacing ring threaded connection, then cooperate through sealed fixture block and sealed draw-in groove with the back-fire relief ring joint to two extension pipes on, then it is fixed with flange and flange through connecting bolt and coupling nut, wherein the reducing is taken over, the extension pipe, flange, connecting pipe and the equal symmetry of end flange set up, be convenient for manufacturing and be convenient for assembly, extension pipe extension sets up the impact of being convenient for cushion flame simultaneously, the less air volume of loss of pressure is applicable to hydrogen warehousing and transportation and abandonment greatly simultaneously.

2. This unsteady state detonation spark arrester, it strikes the pressure reducing plate to the slip of back-fire relief ring direction to make extension pipe and the inside atmospheric pressure of reducing takeover increase in the twinkling of an eye through the heat, then slide through the pressure reducing plate and make the sleeve rotate and throw away the injection rod, then with the quick blowout of graphite alkene powder in the injection rod, then flame in the extension pipe is gone up the aperture through thin back-fire relief bars and is gone on being divided into a plurality of little flames, then cool down once more through little flame behind the multilayer silk screen, then the pressure that little flame produced strikes graphite alkene powder on thick back-fire relief bars, then get into the effect of reaching the back-fire relief behind the thick back-fire relief bars quick with heat transmission to thick back-fire relief bars under graphite alkene's effect when little flame, and then the temperature that makes flame reduces to the below the ignition point and reaches the effect of back-fire relief, the effectual efficiency that has increased the flame temperature and reduced, and then the better effect that reaches the back-fire relief.

3. This unsteady state detonation spark arrester drives thick back-fire relief bars through the ratchet and rotates when rotating through the sleeve, and effectual promotion makes back-fire relief original paper make full use of on the thick back-fire relief bars and absorbs the heat of flame to the separation effect of flame.

4. This unsteady state detonation spark arrester, insert the sleeve through the dead lever in and extrude the closing plate, make the gas of slip intracavity enter into the injection pole, then effectual impact graphite alkene powder in entering into the injection pole through gas, thereby the effectual back-fire relief effect that promotes the spark arrester to flame of the scope that increases graphite alkene powder and spray, simultaneously when the injection pole throws away through actuating lever and drive groove mutually support and make the stirring leaf stir the graphite alkene powder in the injection pole, effectually prevent that graphite alkene powder from blocking in the injection pole, and then the effectual spraying efficiency who guarantees graphite alkene powder, and then the effectual back-fire relief effect that has provided the spark arrester that improves, and then the propagation of effectual prevention unsteady detonation, simultaneously can be used for in the uncertain pipeline of ignition source position, it is unrestricted to return bend quantity and valve quantity.

The device has the advantages that the parts which are not involved are the same as or can be realized by adopting the prior art, the device is convenient to process and assemble, the impact of flame is buffered, the device can be further used in a pipeline with uncertain ignition source positions, the number of the elbows and the number of the valves are not limited, the heat absorption efficiency of fire retardant elements in the fire retardant is effectively improved, the fire retardant efficiency of the fire retardant is further increased, and the propagation of unstable detonation can be further effectively prevented.

Drawings

FIG. 1 is a schematic structural view of an unsteady state detonation flame arrestor in accordance with the present invention;

FIG. 2 is a schematic cross-sectional view of an unsteady detonation flame arrestor in accordance with the present invention;

FIG. 3 is a schematic illustration in partial cross-sectional view of an unsteady state detonation flame arrestor in accordance with the present invention;

FIG. 4 is a first schematic view of a partial structure of an unsteady detonation flame arrestor in accordance with the present invention;

FIG. 5 is a schematic view of a second partial structure of an unsteady detonation flame arrestor in accordance with the present invention;

FIG. 6 is a schematic view of a third partial configuration of an unsteady state detonation flame arrestor in accordance with the present invention;

FIG. 7 is a second partial cross-sectional view of an unsteady state detonation flame arrestor in accordance with the present invention;

FIG. 8 is an enlarged schematic view of portion A of FIG. 3 of an unsteady state detonation flame arrestor in accordance with the present invention;

FIG. 9 is an enlarged schematic view of portion B of FIG. 8 of an unsteady state detonation flame arrestor in accordance with the present invention;

FIG. 10 is an enlarged schematic view of a non-steady state detonation flame arrestor in accordance with the present invention, shown generally at section C of FIG. 5.

In the figure: 1. a variable-diameter connecting pipe; 101. a connecting pipe; 102. an end flange; 103. an extension tube; 104. a sewage draining outlet; 105. a sealing cover; 106. a connecting flange; 107. a connecting bolt; 108. a connecting nut; 109. sealing the clamping block; 2. a fixing ring; 201. a first chute; 202. a decompression plate; 203. connecting the sliding block; 204. a first spring; 205. a flow-through hole; 206. a first limit ring; 207. a pressure relief groove; 208. fixing the rod; 209. a drive block; 210. a first gap; 3. a flame-retardant ring; 301. a limiting flange; 302. sealing the clamping groove; 303. a second stop collar; 304. a thin fire barrier; 305. a plurality of layers of wire mesh; 306. a thick fire barrier; 307. rotating the rod; 308. a ratchet wheel; 4. a sleeve; 401. a drive stripe; 402. a sliding cavity; 403. sealing plates; 404. a second spring; 405. a gas storage cavity; 406. a vent channel; 407. a first air inlet; 408. an annular groove; 5. a slide bar; 501. a spray bar; 502. a spray opening; 503. a rotating shaft; 504. a drive slot; 505. a feed inlet; 506. a feed inlet; 507. a first cover body; 508. stirring blades; 6. connecting grooves; 601. an air inlet pipe; 602. a first check valve; 603. a drive rod.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-10, an unsteady state detonation flame arrestor includes: the connecting pipe comprises symmetrically arranged variable-diameter connecting pipes 1, wherein one ends of the variable-diameter connecting pipes 1 are welded with connecting pipes 101, and first connecting units are welded on the connecting pipes 101; the extension pipe 103 is arranged at one end, far away from the connecting pipe 101, of the reducing adapter 1, the second connecting units are arranged at one end, far away from the reducing adapter 1, of the extension pipe 103, and the two second connecting units are detachably connected through a connecting bolt 107 and a connecting nut 108; the sewage draining port 104 is symmetrically arranged at one end of the extension pipe 103 close to the reducing adapter 1, and the sewage draining port 104 is in threaded connection with a sealing cover 105; the pressure reducing plate 202 is arranged in the extension pipe 103 in a sliding mode, an elastic component is arranged on the pressure reducing plate 202, and a plurality of flow holes 205 which are arranged at equal intervals are formed in the pressure reducing plate 202; the fire-retardant ring 3 is clamped between the two extension pipes 103, and the fire-retardant ring 3 is connected with the extension pipes 103 in a sealing manner; first fire retardant components are fixedly arranged at two ends of the fire retardant ring 3, a second fire retardant component is rotatably arranged between the two first fire retardant components, rotating rods 307 are symmetrically arranged at the circle center of the second fire retardant component, and the rotating rods 307 are fixedly connected with the second fire retardant component; a ratchet 308, wherein the ratchet 308 is fixedly arranged at one end of the rotating rod 307 far away from the second fire retardant component; the first connecting component is arranged on the ratchet 308 and far away from the rotating rod 307, penetrates through the first fire retardant component and is in rotary sealing connection with the first fire retardant component; the first driving assembly is arranged on the pressure reducing plate 202, one end, far away from the pressure reducing plate 202, of the first driving assembly is arranged in the first connecting assembly, a driving unit is arranged on the first driving assembly, a driving surface is arranged in the first connecting assembly, and when the pressure reducing plate 202 moves towards the first fire retardant assembly, the driving unit on the first driving assembly is matched with the driving surface in the first connecting assembly to drive the first connecting assembly to rotate; the subassembly sprays, sprays the subassembly setting in first connecting element, and sprays the subassembly setting between first back-fire relief subassembly and second back-fire relief subassembly, is provided with the graphite alkene powder in the subassembly that sprays, sprays the subassembly when first connecting element rotates and auto-eject under the effect of centrifugal force and sprays graphite alkene powder between first back-fire relief subassembly and the second back-fire relief subassembly.

Referring to fig. 1 to 10, the first connection unit includes an end flange 102, the end flange 102 is welded to an end of the connection pipe 101 away from the reducer union 1, the second connection unit includes a connection flange 106, and the connection flange 106 is welded to an end of the extension pipe 103 away from the reducer union 1.

Referring to fig. 1-10, a fixing ring 2 is welded in the extension pipe 103, a plurality of first sliding grooves 201 arranged at equal intervals are arranged on the fixing ring 2, a connecting slide block 203 corresponding to the first sliding grooves 201 is arranged on the pressure reducing plate 202, the elastic component comprises a first spring 204 arranged on the connecting slide block 203, a first limit ring 206 is connected to one end of the extension pipe 103 close to the connecting flange 106 through a thread, and a plurality of pressure relief grooves 207 arranged at equal intervals are arranged on the first limit ring 206.

Referring to fig. 1-10, the first fire retardant assembly comprises thin fire retardant grids 304 fixedly disposed at both ends of the fire retardant ring 3, the second fire retardant assembly comprises a thick fire retardant grid 306 rotatably disposed in the fire retardant ring 3, the thick fire retardant grid 306 is disposed between the two thin fire retardant grids 304, and a multi-layer wire mesh 305 is disposed at one end of the thin fire retardant grid 304 near the thick fire retardant grid 306.

Referring to fig. 1-10, a sealing fixture block 109 is arranged at one end of the connecting flange 106 close to the flame retardant ring 3, a sealing clamp groove 302 corresponding to the sealing fixture block 109 is arranged on the flame retardant ring 3, a first gap 210 is formed between the first limiting ring 206 and one end of the extension pipe 103 far away from the reducing adapter 1, a second limiting ring 303 corresponding to the first gap 210 is arranged on the flame retardant ring 3, and a limiting flange 301 corresponding to the connecting flange 106 is arranged on the outer side of the flame retardant ring 3.

Referring to fig. 1-10, the first connecting assembly includes a sleeve 4 disposed on a ratchet 308, one end of the sleeve 4 far away from the ratchet 308 penetrates through the thin fire barrier 304, and the sleeve 4 is connected with the thin fire barrier 304 in a sealing and rotating manner, one end of the sleeve 4 far away from the ratchet 308 is provided with a driving thread 401, the first driving assembly includes a fixing rod 208 disposed on the pressure-reducing plate 202, the fixing rod 208 is disposed at one end of the pressure-reducing plate 202 close to the sleeve 4, one end of the fixing rod 208 far away from the pressure-reducing plate 202 is disposed in the sleeve 4, the driving unit includes a driving block 209 disposed on the fixing rod 208, and the driving block 209 corresponds to the driving thread 401.

Referring to fig. 1-10, the spraying assembly includes a sliding rod 5 disposed on a sleeve 4, the sliding rod 5 is symmetrically disposed between a thin fire barrier 304 and a thick fire barrier 306, the sleeve 4 is symmetrically provided with a second sliding groove, the sliding rod 5 is in threaded connection with the second sliding groove, an injection rod 501 is hermetically and slidably disposed in the sliding rod 5, spraying openings 502 are symmetrically disposed on the injection rod 501, and a third spring is disposed between the injection rod 501 and the bottom of the sliding rod 5.

Referring to fig. 1-10, a rotating shaft 503 is disposed in the injection rod 501, one end of the rotating shaft 503 penetrates through the bottom of the injection rod 501, the rotating shaft 503 is connected to the bottom of the injection rod 501 in a sealing and rotating manner, a driving groove 504 is disposed at one end of the rotating shaft 503 at the bottom of the injection rod 501, a driving rod 603 corresponding to the driving groove 504 is disposed at the bottom of the second sliding groove, at least two sets of stirring blades 508 are disposed at one end of the rotating shaft 503 in the injection rod 501, one end of the rotating shaft 503 far away from the driving rod 603 penetrates through the top of the injection rod 501, the rotating shaft 503 is connected to the top of the injection rod 501 in a sealing and rotating manner, a feeding port 505 is disposed at one end of the rotating shaft 503 far away from the driving rod 603, a feeding port 506 is symmetrically disposed at one end of the feeding port 505 in the injection rod 501, and a first cover 507 is connected to one end of the rotating shaft 503 close to the feeding port 505 in a threaded manner.

Referring to fig. 1 to 10, a sliding cavity 402 is provided in the sleeve 4, a sealing plate 403 is hermetically and slidably provided in the sliding cavity 402, a first air inlet 407 is provided in the sealing plate 403, a second spring 404 is provided between the sealing plate 403 and the bottom of the sliding cavity 402, an air storage cavity 405 is provided in the sleeve 4, and the air storage cavity 405 is communicated with the inside of the sliding cavity 402 through a vent groove 406.

Referring to fig. 1-10, the bottom of the second sliding chute is provided with an annular groove 408, the annular groove 408 is communicated with the air storage cavity 405, the bottom of the sliding rod 5 is provided with a connecting groove 6 corresponding to the annular groove 408, an air inlet pipe 601 is arranged between the connecting groove 6 and the bottom of the injection rod 501, and one end of the air inlet pipe 601, which is close to the injection rod 501, is provided with a first check valve 602.

In the invention, firstly, a connecting slide block 203 on a pressure reducing plate 202 is aligned with a first sliding chute 201, the pressure reducing plate 202 is placed in an extension pipe 103, one surface with a first spring 204 faces to one side of a connecting flange 106 when the pressure reducing plate 202 is placed, then a first limit ring 206 is connected into the extension pipe 103 in a threaded manner to limit the first spring 204, then a fire retardant ring 3 is clamped on two extension pipes 103 through matching of a sealing fixture block 109 and a sealing clamping groove 302, then the connecting flange 106 and a limit flange 301 are fixed through a connecting bolt 107 and a connecting nut 108, wherein a reducing adapter 1, the extension pipe 103, the connecting flange 106, a connecting pipe 101 and an end flange 102 are symmetrically arranged, the processing and the assembly are convenient, meanwhile, the extension pipe 103 is lengthened to buffer the impact of flame, the pressure loss is small, the ventilation volume is large, and the pressure loss is suitable for hydrogen storage and transportation abandonment, after the assembly is completed, the end flange 102 is connected to an external pipeline through an external bolt and an external nut, it should be noted that the sum of the areas of the circulation holes 205 on the pressure reducing plate 202 is larger than the sectional area of the connecting pipe 101, when the pressure reducing plate 202 is assembled, a limiting sleeve can be added into the first spring 204 to limit the first spring 204, when gas in the external pipeline is combusted, large heat is generated to instantly increase the air pressure inside the extension pipe 103 and the reducing adapter 1, so that the pressure reducing plate 202 is instantly impacted to slide towards the fire retardant ring 3 under the action of pressure, then the fixing rod 208 is driven by the pressure reducing plate 202 to slide towards the inside of the sleeve 4, then the driving block 209 on the fixing rod 208 is matched with the driving lines 401 in the sleeve 4 to drive the sleeve 4 to rotate, then the injection rod 501 is thrown out under the action of centrifugal force when the sleeve 4 rotates rapidly, then the injection port 502 on the injection rod 501 is separated from the inner wall of the sliding rod 5 to rapidly inject graphene powder out of the injection rod 501, then the flame in extension pipe 103 is divided into a plurality of small flames after passing through the small hole on thin fire-retardant grid 304, then the small flames cool down again after passing through multilayer silk screen 305, then the pressure generated by the small flames impacts graphene powder on thick fire-retardant grid 306, then when the small flames enter thick fire-retardant grid 306, the heat is rapidly transmitted to thick fire-retardant grid 306 under the action of graphene, and then the temperature of the flame is reduced to reach the effect of fire-retardant below the ignition point, the efficiency of flame temperature reduction is effectively increased, and then the effect of fire-retardant is better reached, when sleeve 4 rotates, ratchet 308 is used for driving thick fire-retardant grid 306 to rotate, the effective separation effect of flame is promoted, so that the fire-retardant original piece on thick fire-retardant grid 306 is fully utilized and the heat of flame is absorbed, when fixing rod 208 is inserted into sliding cavity 402 after sleeve 4 and the sealing plate 403 is extruded to make the gas in sliding cavity 402 enter into the interior of belt 405 through vent groove 406, then pass through annular groove 408, then enter into air inlet pipe 601 and then enter into the sliding cavity 402 and push the effective flame-retardant rod 501 through air inlet pipe 501 to spray the effective air-retardant rod 501 to prevent the flame powder from spraying and spraying the flame-retardant rod 501, thereby the flame-retardant rod 501, the flame-retardant powder injection-spraying effect of the flame-retardant rod 501 is effectively and the flame-retardant rod 501, there is no limitation to the number of the bent pipes and the number of the valves, and it should be noted that a second check valve is provided in the first air inlet 407 of the sealing plate 403.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An unsteady state detonation flame arrestor, comprising:

the connecting pipe comprises symmetrically arranged variable-diameter connecting pipes (1), wherein one ends of the variable-diameter connecting pipes (1) are welded with connecting pipes (101), and first connecting units are welded on the connecting pipes (101);

the extension pipe (103) is arranged at one end, far away from the connecting pipe (101), of the reducing adapter (1), the extension pipe (103) is provided with a second connecting unit at one end, far away from the reducing adapter (1), of the extension pipe (103), and the two second connecting units are detachably connected through a connecting bolt (107) and a connecting nut (108);

the sewage draining outlet (104) is symmetrically arranged at one end, close to the reducing adapter (1), of the extension pipe (103), and the sewage draining outlet (104) is in threaded connection with a sealing cover (105);

the pressure reducing plate (202), the pressure reducing plate (202) is arranged in the extension pipe (103) in a sliding mode, an elastic component is arranged on the pressure reducing plate (202), and a plurality of flow holes (205) which are arranged at equal intervals are formed in the pressure reducing plate (202);

the fire-retardant ring (3), the fire-retardant ring (3) is clamped between the two extension pipes (103), and the fire-retardant ring (3) is connected with the extension pipes (103) in a sealing manner;

first fire retardant components are fixedly arranged at two ends of the fire retardant ring (3), a second fire retardant component is rotatably arranged between the two first fire retardant components, rotating rods (307) are symmetrically arranged at the circle center of the second fire retardant component, and the rotating rods (307) are fixedly connected with the second fire retardant component;

the ratchet wheel (308) is fixedly arranged at one end of the rotating rod (307) far away from the second fire retardant component;

the first connecting assembly is arranged on the ratchet wheel (308) and far away from the rotating rod (307), penetrates through the first fire retardant assembly and is in rotary sealing connection with the first fire retardant assembly;

the first driving assembly is arranged on the pressure reducing plate (202), one end, far away from the pressure reducing plate (202), of the first driving assembly is arranged in the first connecting assembly, a driving unit is arranged on the first driving assembly, a driving surface is arranged in the first connecting assembly, and when the pressure reducing plate (202) moves towards the direction of the first fire retardant assembly, the driving unit on the first driving assembly is matched with the driving surface in the first connecting assembly to drive the first connecting assembly to rotate;

the spraying component is arranged in the first connecting component and between the first fire retardant component and the second fire retardant component, graphene powder is arranged in the spraying component, and when the first connecting component rotates, the spraying component automatically pops up and sprays the graphene powder between the first fire retardant component and the second fire retardant component under the action of centrifugal force;

the first connecting unit comprises an end flange (102), the end flange (102) is welded at one end, far away from the reducing adapter (1), of the connecting pipe (101), the second connecting unit comprises a connecting flange (106), and the connecting flange (106) is welded at one end, far away from the reducing adapter (1), of the extension pipe (103);

a fixing ring (2) is welded in the extension pipe (103), a plurality of first sliding grooves (201) which are arranged at equal intervals are formed in the fixing ring (2), a connecting sliding block (203) corresponding to the first sliding grooves (201) is arranged on the pressure reducing plate (202), the elastic component comprises a first spring (204) arranged on the connecting sliding block (203), a first limiting ring (206) is connected to one end, close to the connecting flange (106), of the extension pipe (103) in a threaded manner, and a plurality of pressure relief grooves (207) which are arranged at equal intervals are formed in the first limiting ring (206);

the first fire retardant component comprises thin fire retardant grids (304) fixedly arranged at two ends of the fire retardant ring (3), the second fire retardant component comprises a thick fire retardant grid (306) rotatably arranged in the fire retardant ring (3), the thick fire retardant grid (306) is arranged between the two thin fire retardant grids (304), and one end, close to the thick fire retardant grid (306), of each thin fire retardant grid (304) is provided with a multilayer silk screen (305);

a sealing clamping block (109) is arranged at one end, close to the fire-retardant ring (3), of the connecting flange (106), a sealing clamping groove (302) corresponding to the sealing clamping block (109) is arranged on the fire-retardant ring (3), a first gap (210) is formed between the first limiting ring (206) and one end, far away from the reducing adapter (1), of the extension pipe (103), a second limiting ring (303) corresponding to the first gap (210) is arranged on the fire-retardant ring (3), and a limiting flange (301) corresponding to the connecting flange (106) is arranged on the outer side of the fire-retardant ring (3);

the first connecting assembly comprises a sleeve (4) arranged on a ratchet wheel (308), one end, far away from the ratchet wheel (308), of the sleeve (4) penetrates through a thin fire retardant grid (304), the sleeve (4) is connected with the thin fire retardant grid (304) in a sealed and rotating mode, one end, far away from the ratchet wheel (308), of the sleeve (4) is provided with a driving line (401), the first driving assembly comprises a fixing rod (208) arranged on a pressure reducing plate (202), the fixing rod (208) is arranged at one end, close to the sleeve (4), of the pressure reducing plate (202), one end, far away from the pressure reducing plate (202), of the fixing rod (208) is arranged in the sleeve (4), the driving unit comprises a driving block (209) arranged on the fixing rod (208), and the driving block (209) corresponds to the driving line (401).

2. An unsteady detonation flame arrester as claimed in claim 1, characterized in that the spray assembly comprises a sliding rod (5) arranged on the sleeve (4), the sliding rod (5) is symmetrically arranged between a thin flame arrester (304) and a thick flame arrester (306), a second chute is symmetrically arranged on the sleeve (4), and the sliding rod (5) is in threaded connection with the second chute, the sliding rod (5) is internally sealed and slides with a spray rod (501), the spray rod (501) is symmetrically provided with spray openings (502), and a third spring is arranged between the spray rod (501) and the bottom of the sliding rod (5).

3. The unsteady detonation flame arrester of claim 2, characterized in that a rotating shaft (503) is provided in the spray rod (501), one end of the rotating shaft (503) penetrates through the bottom of the spray rod (501), and the rotating shaft (503) is rotationally connected with the bottom of the spray rod (501) in a sealing manner, the rotating shaft (503) is provided with a driving groove (504) at one end of the bottom of the spray rod (501), the bottom of the second sliding groove is provided with a driving rod (603) corresponding to the driving groove (504), one end of the rotating shaft (503) in the spray rod (501) is provided with at least two sets of stirring blades (508), one end of the rotating shaft (503) far away from the driving rod (603) penetrates through the top of the spray rod (501), and the rotating shaft (503) is rotationally connected with the top of the spray rod (501) in a sealing manner, one end of the rotating shaft (503) far away from the driving rod (603) is provided with a feed inlet (505), one end of the feed inlet (505) in the spray rod (501) is symmetrically provided with a feed inlet (506), and one end of the rotating shaft (503) near the feed inlet (505) is connected with a first cover body (507) in a sealing manner.

4. An unsteady state detonation flame arrester as claimed in claim 3, characterized in that a sliding chamber (402) is arranged in the sleeve (4), a sealing plate (403) is sealed and slid in the sliding chamber (402), a first air inlet (407) is arranged on the sealing plate (403), a second spring (404) is arranged between the sealing plate (403) and the bottom of the sliding chamber (402), an air storage chamber (405) is arranged in the sleeve (4), and the air storage chamber (405) is communicated with the inside of the sliding chamber (402) through a vent groove (406).

5. An unsteady state detonation flame arrester as claimed in claim 4, characterized in that the second chute bottom is provided with an annular groove (408), the annular groove (408) is communicated with the gas storage cavity (405), the sliding rod (5) bottom is provided with a connecting groove (6) corresponding to the annular groove (408), an air inlet pipe (601) is arranged between the connecting groove (6) and the bottom of the injection rod (501), and one end of the air inlet pipe (601) close to the injection rod (501) is provided with a first check valve (602).