CN211383563U - Explosive flame's off device - Google Patents

Abstract

The utility model discloses an explosive flame cut-off device in the technical field of dust explosion, which comprises a first pipeline, wherein both sides of the first pipeline are provided with first flange plates, the first pipeline and the first flange plates are integrally formed, the right end of the first pipeline is connected with a second flange plate through the first flange plates, the second flange plate and the second pipeline are integrally formed, the inner wall of the first pipeline is movably connected with a fixing ring, the inner wall of the fixing ring is transversely connected with two groups of steel rings with the same structure, the inner walls of the two groups of steel rings are respectively provided with a fire-retardant net cylinder, the two groups of fire-retardant net cylinders are respectively made by winding corrugated plates, the explosive flame can be effectively cut off and prevented by arranging the two groups of fire-retardant net cylinders, the explosive flame is prevented from continuously expanding in the pipeline, the subsequent pipeline and equipment are influenced, and the fixing ring is arranged, the fire-retardant net cylinder can be taken out from the first pipeline conveniently, and the fire-retardant net cylinder can be cleaned conveniently subsequently.

Description

Explosive flame's off device

Technical Field

The utility model relates to a dust explosion technical field specifically is an explosion flame's off device.

Background

In recent years, many explosion accidents have occurred in a transportation duct for combustible gas and dust, causing a great loss, and it is necessary to prevent an explosion flame from continuing to spread in the duct in order to protect a following duct, equipment, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion flame's off device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an explosion flame's off device, includes first pipeline, the both sides of first pipeline all are provided with first ring flange, and first pipeline and first ring flange integrated into one piece, the right-hand member of first pipeline is connected with the second ring flange through first ring flange, second ring flange and second pipeline integrated into one piece, swing joint has solid fixed ring on the inner wall of first pipeline, transversely be connected with two sets of steel rings that the structure is the same on solid fixed ring's the inner wall, it is two sets of all be provided with back-fire relief net section of thick bamboo on the inner wall of steel ring, it is two sets of back-fire relief net section of thick bamboo all is made through the buckled plate coiling, the top and the bottom of solid fixed ring inner wall middle-end all are provided with the heat sink, gu fixed ring's right-hand member is provided with the.

Preferably, the heat sink is including connecting the bearing on solid fixed ring inner wall, install the pivot on the bearing, and the pivot passes through the bearing and is connected with solid fixed ring rotation, all weld on the both sides outer wall of pivot has the flabellum.

Preferably, the rotating device comprises a connecting rod arranged on the outer wall of the connecting frame, a disc is arranged on the front side of the connecting rod, and four groups of handles with the same structure are uniformly arranged on the outer wall of the disc.

Preferably, the outer wall of the fixing ring is provided with an external thread, and the inner wall of the first pipeline is provided with an internal thread matched with the external thread.

Preferably, two sets of the middle end of the fire relief net barrel is provided with a shaft sleeve, two sets of fixing bolts penetrate through the inside of the shaft sleeve, and fixing nuts are arranged at the right ends of the fixing bolts.

Preferably, the same screw holes and the right sides are uniformly formed in the outer walls of the first flange plate and the second flange plate, connecting bolts matched with the screw holes are arranged on the first flange plate, the right side of the first flange plate is fixedly connected with the left side of the second flange plate through the connecting bolts, and connecting nuts are arranged on the outer wall of the right end of each connecting bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two groups of fire-retardant net cylinders can effectively block and stop the explosion flame, the explosion flame is prevented from being continuously expanded in the pipeline to influence the subsequent pipeline, equipment and the like, and the gas can drive the fan blades to rotate in the gas conveying process through the bearings, the rotating shafts and the fan blades, so that the two groups of fire-retardant net cylinders are convenient to cool, and the fire-retardant net cylinders are prevented from absorbing a large amount of heat during fire retardance, so that the temperature is high and the fire retardance is influenced;

2. through being provided with solid fixed ring, be convenient for take out a back-fire relief net section of thick bamboo from first pipeline, be convenient for follow-up washing a back-fire relief net section of thick bamboo, through being provided with the handle, be convenient for rotate the link to can rotate and take out solid fixed ring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the cooling device of the present invention;

fig. 3 is a schematic side view of the structure of the rotating device of the present invention.

In the figure: 1. a first conduit; 2. a first flange plate; 3. a second flange plate; 4. a second conduit; 5. a fixing ring; 6. steel rings; 7. a fire retarding mesh cylinder; 8. a cooling device; 81. a bearing; 82. a rotating shaft; 83. a fan blade; 9. a connecting frame; 10. a rotating device; 101. a connecting rod; 102. a disc; 103. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a cut-off device for explosion flame, please refer to fig. 1, which comprises a first pipeline 1, wherein two sides of the first pipeline 1 are respectively provided with a first flange 2, the first pipeline 1 and the first flange 2 are integrally formed, the right end of the first pipeline 1 is connected with a second flange 3 through the first flange 2, the second flange 3 and a second pipeline 4 are integrally formed, the inner wall of the first pipeline 1 is movably connected with a fixing ring 5, the inner wall of the fixing ring 5 is transversely connected with two groups of steel rings 6 with the same structure, the steel rings 6 are used for improving the structural stability of a fire-retardant net cylinder 7, the inner walls of the two groups of steel rings 6 are respectively provided with a fire-retardant net cylinder 7, the two groups of fire-retardant net cylinders 7 are respectively made by winding corrugated plates, and the two groups of fire-retardant net cylinders 7 are arranged to effectively cut off the explosion flame, so as to prevent the explosion flame from continuously expanding to the second pipeline 4 in the first pipeline 1, the principle of fire retardance of the fire-retardant net cylinder 7 is that in the prior art, the principle of fire retardance of the fire-retardant net cylinder 7 is as follows: as the size of the channel of the fire-retardant mesh cylinder 7 is reduced, the probability of collision between the free radicals and the reaction molecules is reduced, and the probability of collision between the free radicals and the channel wall is increased, so that the free radical reaction is promoted to be reduced. When the channel size is reduced to a certain value, the wall effect causes the condition that the flame can not continue to propagate, and the flame is stopped;

referring to fig. 1, the top and the bottom of the middle end of the inner wall of the fixing ring 5 are both provided with cooling devices 8 for cooling the two groups of fire-retardant net cylinders 7, the right end of the fixing ring 5 is provided with a connecting frame 9, and the middle end of the right side of the connecting frame 9 is provided with a rotating device 10, so that the fixing ring 5 can be conveniently rotated.

Referring to fig. 2, the cooling device 8 comprises a bearing 81 connected to the inner wall of the fixing ring 5, a rotating shaft 82 is mounted on the bearing 81, the rotating shaft 82 is rotatably connected with the fixing ring 5 through the bearing 81, fan blades 83 are welded on the outer walls of two sides of the rotating shaft 82, the fire retardant net cylinder 7 can absorb a large amount of heat during fire retardant, when gas passes through the fan blades 83, the gas can drive the fan blades 83 to rotate, so that the two groups of fire retardant net cylinders 7 can be cooled conveniently, and the situation that the fire retardant net cylinders 7 absorb a large amount of heat during fire retardant, so that the temperature is high and fire retardant is affected is avoided;

referring to fig. 3, the rotating device 10 includes a connecting rod 101 mounted on the outer wall of the connecting frame 9, a disc 102 is mounted on the front side of the connecting rod 101, four groups of handles 103 with the same structure are uniformly arranged on the outer wall of the disc 102, and the disc 102 drives the connecting rod 101 to rotate by rotating the handles 103, so that the connecting frame 9 is driven to rotate, the fixing ring 5 is taken out conveniently, and the fire-retardant net cylinder 7 is cleaned;

referring to fig. 1, the outer wall of the fixing ring 5 is provided with an external thread, the inner wall of the first pipeline 1 is provided with an internal thread matched with the external thread, and the fixing ring 5 and the first pipeline 1 are fixed in a thread combination manner, so that the fixing effect is good, and the disassembly is convenient;

referring to fig. 1, the middle ends of the two groups of fire-retardant mesh cylinders 7 are respectively provided with a shaft sleeve for installing the fire-retardant mesh cylinders 7, fixing bolts penetrate through the two groups of shaft sleeves, and the right ends of the fixing bolts are provided with fixing nuts, so that the two groups of fire-retardant mesh cylinders 7 can be prevented from being separated;

referring to fig. 1, the outer walls of the first flange plate 2 and the second flange plate 3 are uniformly provided with the same screw holes, the right first flange plate 2 is provided with connecting bolts matched with the screw holes, the right first flange plate 2 is fixedly connected with the left second flange plate 3 through the connecting bolts, the outer wall of the right end of each connecting bolt is provided with a connecting nut, and the second pipeline 4 can be detached by taking down the connecting nuts, so that the fixing ring 5 can be taken out.

The working principle is as follows: during the use, when explosion flame entered into to second pipeline 4 direction by first pipeline 1, carry out flame through two sets of back-fire relief net section of thick bamboo 7 and block the wall, make flame can't get into second pipeline 4, back-fire relief net section of thick bamboo 7 can absorb a large amount of heats when the back-fire relief, when gaseous through flabellum 83, it rotates to be gaseous can drive flabellum 83, can cool down two sets of back-fire relief net section of thick bamboos 7, when needs wash back-fire relief net section of thick bamboos 7, take off connecting bolt, can pull down second pipeline 4, through rotating handle 103, make disc 102 drive connecting rod 101 rotate, thereby be convenient for drive link 9 and rotate, make solid fixed ring 5 rotate, be connected through the mode of screw thread bonding between solid fixed ring 5 and the first pipeline 1, be convenient for take out solid fixed ring 5, thereby can wash back-fire relief net section of thick bamboo.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A partition device for explosive flames, comprising a first pipeline (1), characterized in that: the fire-retardant fireproof pipeline is characterized in that first flange plates (2) are arranged on two sides of a first pipeline (1), the first pipeline (1) and the first flange plates (2) are integrally formed, the right end of the first pipeline (1) is connected with a second flange plate (3) through the first flange plates (2), the second flange plate (3) and a second pipeline (4) are integrally formed, a fixing ring (5) is movably connected to the inner wall of the first pipeline (1), two steel rings (6) with the same structure are transversely connected to the inner wall of the fixing ring (5), fire-retardant net cylinders (7) are arranged on the inner wall of the two steel rings (6), the two fire-retardant net cylinders (7) are made by winding corrugated plates, cooling devices (8) are arranged at the top and the bottom of the middle end of the inner wall of the fixing ring (5), and a connecting frame (9) is arranged at the right end of the fixing ring (5), and the middle end of the right side of the connecting frame (9) is provided with a rotating device (10).

2. A partition device for an explosion flame according to claim 1, wherein: cooling device (8) are including connecting bearing (81) on solid fixed ring (5) inner wall, install pivot (82) on bearing (81), and pivot (82) rotate with solid fixed ring (5) through bearing (81) and be connected, all weld on the both sides outer wall of pivot (82) flabellum (83).

3. A partition device for an explosion flame according to claim 1, wherein: rotating device (10) is including installing connecting rod (101) on link (9) outer wall, disc (102) are installed to the front side of connecting rod (101), evenly be provided with four groups handle (103) that the structure is the same on the outer wall of disc (102).

4. A partition device for an explosion flame according to claim 1, wherein: the outer wall of the fixing ring (5) is provided with an external thread, and the inner wall of the first pipeline (1) is provided with an internal thread matched with the external thread.

5. A partition device for an explosion flame according to claim 1, wherein: two sets of the middle end of the fire-retardant net barrel (7) is provided with a shaft sleeve, two sets of fixing bolts penetrate through the inside of the shaft sleeve, and fixing nuts are arranged at the right ends of the fixing bolts.

6. A partition device for an explosion flame according to claim 1, wherein: evenly be provided with the same screw on the outer wall of first ring flange (2) and second ring flange (3), the right side be provided with on first ring flange (2) with screw assorted connecting bolt, and right side first ring flange (2) pass through connecting bolt and left side second ring flange (3) fixed connection, be provided with coupling nut on connecting bolt's the right-hand member outer wall.

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