CN211751995U - Online explosion-proof type spark arrester of VOC exhaust-gas treatment collecting pipe - Google Patents

Abstract

The utility model relates to the technical field of flame arresters, and discloses an explosion-proof flame arrester on a VOC waste gas treatment and collection pipe network. An adjusting bin is movably installed, an outer connecting pipe is movably installed inside the connecting pipe, and a threaded ring is fixedly connected to the inner peripheral wall of the adjusting bin. The explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network, by inserting the outer pipe into the connecting pipe, and then rotating the adjustment chamber, drives the threaded ring to rotate, so that the threaded ring moves to the left through the thread connection of the thread on the inner peripheral wall and the thread groove. Then, it drives the extrusion ring to move to the left, so that the extrusion ring squeezes the extrusion rod, so that the clamping rod moves toward the side close to the outer tube, and the spring is compressed at the same time, and the position of the outer tube is adjusted so that the four clamps The slots correspond to the four clamping rods respectively, and then continue to rotate the adjusting bin to insert the four clamping rods into the four clamping slots respectively.

Description

An explosion-proof explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network

technical field

The utility model relates to the technical field of flame arresters, in particular to an explosion-proof explosion-proof flame arrester on a VOC waste gas treatment and collection pipe network.

Background technique

VOC is the English abbreviation of Volatile Organic Compounds. VOC in the general sense refers to volatile organic compounds, but the definition in the environmental sense refers to a class of volatile organic compounds that are active, that is, the kind of volatile organic compounds that can cause harm. When VOC waste gas is treated, explosion-proof flame arresters will be installed on the collection pipe network.

The explosion-proof flame arrester is a device that allows airflow and prevents the flame from spreading in the gas pipeline and related equipment. At present, when the explosion-proof flame arrester is installed, the connection between the explosion-proof flame arrester and the pipeline is mostly through multiple. Bolts are required for the installation and disassembly of the explosion-proof flame arrester, and the operation is also more troublesome, which reduces the work efficiency of the staff. Therefore, an explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network is proposed. to solve the above problems.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides an explosion-proof explosion-proof flame arrester on a VOC waste gas treatment and collection pipe network, which has the advantage of being easy to connect an external pipe, and solves the problem of the explosion-proof explosion-proof type flame arrester when the explosion-proof explosion-type flame arrester is currently installed. Most of the connections between firearms and pipelines are fixed by multiple bolts. Relevant tools are required for the installation and disassembly of explosion-proof flame arresters, and the operation is also troublesome, which reduces the work efficiency of the staff.

(2) Technical solutions

In order to realize the above-mentioned purpose of being easy to connect the external pipe, the utility model provides the following technical scheme: an explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network, comprising a flame arrester body, and a connection pipe is communicated with the right side of the flame arrester body, The outer side of the connecting pipe is movably installed with an adjusting bin, the inside of the connecting pipe is movably mounted with an outer pipe, the inner peripheral wall of the adjusting bin is fixedly connected with a threaded ring, and the outer peripheral wall of the connecting pipe is provided with a threaded groove, so The inner peripheral wall of the adjustment bin is fixedly connected with a squeeze ring located on the left side of the threaded ring, the inner peripheral wall of the connecting pipe is fixedly connected with four metal bins, and the side of the metal bin close to the outer pipe is movably installed with One end of the clamping rod penetrates and extends to the inside of the metal bin, the side of the clamping rod away from the outer tube is fixedly connected to the limit plate, and the side of the limit plate away from the outer tube is fixedly connected with one end that penetrates and extends to the inside of the adjustment bin The outer side of the clamping rod is sheathed with a spring located inside the metal bin, the inner peripheral wall of the regulating bin is fixedly connected with a moving ring located on the left side of the extrusion rod, the inner bottom wall of the connecting pipe and the inner The top wall is fixedly connected with slide rails, and the interior of the connecting pipe is movably installed with two movable blocks located at the top and bottom of the outer tube respectively, and the opposite sides of the two movable blocks are fixedly connected with The slider is slidably connected by the slide rail, and the opposite sides of the two movable blocks are fixedly connected with a movement ring located outside the outer tube, and the top and bottom of the movement ring are fixedly connected with one end passing through and extending to the inside of the adjustment bin. Moving rod, the inner peripheral wall of the connecting pipe is fixedly connected with a fixed ring located on the left side of the slide rail, the fixed ring is fixedly connected with the inner peripheral wall of the moving ring with a sealing rubber sleeve, the fixed ring, the moving ring and the sealing rubber sleeve A sealing rubber ring is movably installed therebetween, and the outer peripheral wall of the outer pipe is provided with four clamping grooves.

Preferably, the shape of the adjusting bin is a hollowed-out fixed cylindrical shape, and the right and left sides of the adjusting bin are provided with first through holes adapted to the connecting pipe.

Preferably, the inner peripheral wall of the threaded ring is threaded, and the threaded ring is threadedly connected to the threaded groove of the outer peripheral wall of the connecting pipe through the thread of the inner peripheral wall.

Preferably, the side of the metal bin close to the outer tube is provided with a second through hole adapted to the clamping rod, the four clamping slots are respectively adapted to the four clamping rods, and the four clamping slots are located in the same vertical plane.

Preferably, the outer peripheral wall of the connecting pipe is provided with four third through holes which are respectively adapted to the four extrusion rods, and the side of the extrusion rods away from the outer pipe is arc-shaped, so The inner peripheral wall of the extrusion ring is an inclined plane.

Preferably, the top and bottom of the connecting pipe are provided with rectangular through holes, the width of the rectangular through hole is the same as the diameter of the moving rod, and the length of the rectangular through hole is the same as the length of the slide rail.

Preferably, the sealing rubber sleeve is a ring shape, the shape of the cross section of the sealing rubber sleeve is a semicircle, the shape of the cross section of the sealing rubber ring is a semicircle, and the inner diameter of the moving ring is the same as The inner diameter of the fixed ring is the same, and the inner peripheral wall of the moving ring and the inner peripheral wall of the fixed ring are located on the same plane.

(3) Beneficial effects

Compared with the prior art, the utility model provides an explosion-proof explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network, which has the following beneficial effects:

1. The explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network is inserted into the connecting pipe by inserting the outer pipe into the connecting pipe, and then rotating the adjustment chamber to drive the threaded ring to rotate, so that the threaded ring is connected to the left side through the thread of the inner peripheral wall and the thread groove. Move, and then drive the extrusion ring to move to the left, so that the extrusion ring squeezes the extrusion rod, so that the clamping rod moves toward the side close to the outer tube, and the spring is compressed, and the position of the outer tube is adjusted so that the four Each card slot corresponds to the four card rods, and then continue to rotate the adjustment box, so that the four card rods are inserted into the four card grooves, so as to fix the installation of the outer pipe, when the outer pipe needs to be disassembled, rotate in reverse Adjust the chamber so that the extrusion ring no longer squeezes the extrusion rod, and the tension of the spring makes the clamping rod out of the clamping groove, so that the outer pipe is no longer fixed, and then the outer pipe can be pulled out, which realizes the rapid operation of the outer pipe. Installation and disassembly, the whole process of installation and disassembly does not require relevant tools, and the operation is simple and convenient, which improves the work efficiency of the staff.

2. The explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network is provided with a moving rod. When the adjustment bin rotates, the threaded ring moves to the left through the thread connection of the inner peripheral wall and the threaded groove, thereby driving the moving ring. Move to the left, so that the moving ring squeezes the moving rod and moves the moving rod to the left, and through the sliding connection between the slider and the slide rail, when the moving rod moves to the left, the moving ring can be driven to move to the left. , so that the distance between the fixed ring and the moving ring can be reduced, so that the anti-slip rubber sleeve is squeezed, and the sealing rubber ring is also squeezed, so that the anti-slip rubber sleeve can be in close contact with the outer tube, and the outer tube is realized. Installed seals prevent gas leakage.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional view of the utility model connecting pipe;

FIG. 3 is an enlarged structural schematic diagram of A in FIG. 2 of the present invention.

In the picture: 1 flame arrester body, 2 connecting pipe, 3 adjusting chamber, 4 outer pipe, 5 moving ring, 6 extrusion ring, 7 limit plate, 8 spring, 9 thread ring, 10 thread groove, 11 metal chamber, 12 Clamping rod, 13 clamping groove, 14 moving ring, 15 sealing rubber sleeve, 16 movable block, 17 sealing rubber ring, 18 fixed ring, 19 sliding block, 20 sliding rail, 21 moving rod, 22 extrusion rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-3, an explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network, including a flame arrester body 1, a connection pipe 2 is connected to the right side of the flame arrester body 1, and an adjustment bin is movably installed on the outside of the connection pipe 2 3. The shape of the adjustment bin 3 is an internal hollow and fixed cylindrical shape. The right side and the left side of the adjustment bin 3 are provided with first through holes that are adapted to the connecting pipe 2, and the inner part of the connecting pipe 2 is movably installed with an outer pipe. 4. The inner peripheral wall of the adjustment bin 3 is fixedly connected with a threaded ring 9, the outer peripheral wall of the connecting pipe 2 is provided with a threaded groove 10, the inner peripheral wall of the threaded ring 9 is a thread, and the threaded ring 9 is connected to the outer peripheral wall of the connecting pipe 2 through the thread of the inner peripheral wall. The threaded groove 10 is threadedly connected, the inner peripheral wall of the adjustment bin 3 is fixedly connected with the extrusion ring 6 located on the left side of the threaded ring 9, the inner peripheral wall of the extrusion ring 6 is an inclined surface, and the inner peripheral wall of the connecting pipe 2 is fixedly connected with a number of four. There are two metal bins 11. The side of the metal bin 11 close to the outer pipe 4 is movably installed with a clamping rod 12, one end of which penetrates and extends to the inside of the metal warehouse 11. The adapted second through hole, the side of the clamping rod 12 away from the outer pipe 4 is fixedly connected to the limit plate 7 , and the side of the limit plate 7 away from the outer pipe 4 is fixedly connected with a squeeze that runs through and extends to the inside of the adjustment bin 3 . In the pressing rod 22, the outer peripheral wall of the connecting pipe 2 is provided with four third through holes which are respectively matched with the four extruding rods 22. The side of the extruding rod 22 away from the outer pipe 4 is arc-shaped, The outer side of the clamping rod 12 is sheathed with a spring 8 located inside the metal bin 11, the inner peripheral wall of the adjustment bin 3 is fixedly connected with a moving ring 5 located on the left side of the extrusion rod 22, and the inner bottom wall and the inner top wall of the connecting pipe 2 are fixed. The slide rail 20 is connected, and the interior of the connecting pipe 2 is movably installed with two movable blocks 16 located at the top and bottom of the outer pipe 4 respectively. The opposite side of the two movable blocks 16 is fixedly connected with the slide rail 20. The sliding block 19 is slidably connected, and the opposite side of the two movable blocks 16 is fixedly connected with a motion ring 14 located outside the outer pipe 4 , and the top and bottom of the motion ring 14 are fixedly connected with one end passing through and extending to the inside of the adjustment bin 3 . The moving rod 21, the top and bottom of the connecting pipe 2 are provided with rectangular through holes, the width of the rectangular through hole is the same as the diameter of the moving rod 21, the length of the rectangular through hole is the same as the length of the slide rail 20, the inner peripheral wall of the connecting pipe 2 A fixed ring 18 located on the left side of the slide rail 20 is fixedly connected. The inner diameter of the moving ring 14 is the same as the inner diameter of the fixed ring 18. The inner peripheral wall of the moving ring 14 and the inner peripheral wall of the fixed ring 18 are located on the same plane. The inner peripheral wall of the moving ring 14 is fixedly connected with a sealing rubber sleeve 15, the sealing rubber sleeve 15 is an annular shape, and the cross-sectional shape of the sealing rubber sleeve 15 is a semicircular ring. A sealing rubber ring 17 is movably installed. The shape of the cross-section of the sealing rubber ring 17 is a semicircle. The outer peripheral wall of the outer pipe 4 is provided with four clamping grooves 13. There is a second through hole matched with the clamping rod 12, and the four clamping slots 13 are located on the same vertical plane. Insert the outer pipe 4 into the connecting pipe 2, and then rotate the adjusting bin 3 to drive the threaded ring 9 to rotate, so that the threaded ring 9 is threaded to the left through the thread connection of the inner peripheral wall and the threaded groove 10, and then drives the extrusion ring 6 to the left. The left side moves, so that the extrusion ring 6 squeezes the extrusion rod 22, and then the clamping rod 12 moves toward the side close to the outer pipe 4, while the spring 8 is compressed, and the position of the outer pipe 4 is adjusted so that the four clamps The grooves 13 correspond to the four clamping rods 12 respectively, and then continue to rotate the adjustment bin 3 to insert the four clamping rods 12 into the four clamping grooves 13 respectively, so as to fix and install the outer pipe 4. When the outer pipe 4 needs to be disassembled , through the reverse rotation of the adjustment chamber 3, so that the squeeze ring 6 no longer squeezes the squeeze rod 22, through the tension of the spring 8, the clamping rod 12 is separated from the clamping groove 13, so that the outer pipe 4 is no longer fixed, and then The outer pipe 4 can be pulled out to realize the quick installation and disassembly of the outer pipe 4. The whole process of installation and disassembly does not require relevant tools, and the operation is simple and convenient, which improves the work efficiency of the staff. When the bin 3 rotates, the threaded ring 9 moves to the left through the thread connection of the inner peripheral wall and the threaded groove 10, so as to drive the moving ring 5 to move to the left, so that the moving ring 5 squeezes the moving rod 21 and makes the moving rod. 21 moves to the left, and the slider 19 is slidably connected to the slide rail 20, so that when the moving rod 21 moves to the left, it can drive the moving ring 14 to move to the left, and then the fixed ring 18 and the moving ring 14. The distance can be reduced, so that the anti-slip rubber sleeve 15 is squeezed, and the sealing rubber ring 17 is also squeezed, so that the anti-slip rubber sleeve 15 can be in close contact with the outer pipe 4, and the sealing of the installation of the outer pipe 4 is realized, preventing gas leakage.

To sum up, the explosion-proof flame arrester on the VOC waste gas treatment and collection pipe network is made by inserting the outer pipe 4 into the connecting pipe 2, and then rotating the adjusting chamber 3 to drive the threaded ring 9 to rotate, so that the threaded ring 9 passes through the thread of the inner peripheral wall. It is threadedly connected with the threaded groove 10 to move to the left, and then drives the extrusion ring 6 to move to the left, so that the extrusion ring 6 squeezes the extrusion rod 22, so that the clamping rod 12 moves toward the side close to the outer pipe 4. Move, while the spring 8 is compressed, adjust the position of the outer pipe 4 so that the four card slots 13 correspond to the four card rods 12 respectively, and then continue to rotate the adjustment chamber 3, so that the four card rods 12 are inserted into the four card slots respectively. 13, so that the outer pipe 4 is fixedly installed. When the outer pipe 4 needs to be disassembled, the adjustment chamber 3 is rotated in the opposite direction, so that the extrusion ring 6 no longer squeezes the extrusion rod 22, and through the tension of the spring 8, The clamping rod 12 is released from the clamping slot 13, so that the outer pipe 4 is no longer fixed, and then the outer pipe 4 can be pulled out, which realizes the rapid installation and disassembly of the outer pipe 4. The whole process of installation and disassembly does not require relevant tools, and the operation Simple and convenient, improve the working efficiency of staff.

In addition, by providing the moving rod 21, when the adjusting chamber 3 rotates, the threaded ring 9 moves to the left through the thread connection of the inner peripheral wall and the threaded groove 10, so that the moving ring 5 can be driven to move to the left, so that the moving ring 5 is moved to the left. The moving rod 21 is squeezed to move the moving rod 21 to the left, and the slider 19 is slidably connected to the slide rail 20, so that when the moving rod 21 moves to the left, it can drive the moving ring 14 to move to the left, Further, the distance between the fixed ring 18 and the moving ring 14 can be reduced, so that the anti-slip rubber sleeve 15 is squeezed, and the sealing rubber ring 17 is also squeezed, so that the anti-slip rubber sleeve 15 can be in close contact with the outer pipe 4 , to achieve the sealing of the installation of the outer pipe 4, prevent the leakage of gas, and solve the problem that when the explosion-proof flame arrester is currently installed, the connection between the explosion-proof flame arrester and the pipeline is mostly fixed by multiple bolts. The installation and disassembly of the bomb-type flame arrester requires relevant tools, and the operation is also troublesome, which reduces the work efficiency of the staff.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

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

Claims (7)

1. An explosion-proof explosion-proof flame arrester on a VOC waste gas treatment collection pipe network, comprising a flame arrester body (1), characterized in that: the right side of the flame arrester body (1) is communicated with a connecting pipe (2), and the connection An adjustment bin (3) is movably installed on the outside of the pipe (2), an outer pipe (4) is movably installed on the inside of the connecting pipe (2), and a threaded ring (9) is fixedly connected to the inner peripheral wall of the adjustment bin (3). ), the outer peripheral wall of the connecting pipe (2) is provided with a threaded groove (10), and the inner peripheral wall of the regulating bin (3) is fixedly connected with a squeeze ring (6) located on the left side of the threaded ring (9), so The inner peripheral wall of the connecting pipe (2) is fixedly connected with four metal bins (11), and one side of the metal bin (11) close to the outer pipe (4) is movably installed with one end running through and extending to the metal bin (11). 11) The inner clamping rod (12), the side of the clamping rod (12) away from the outer pipe (4) is fixedly connected to the limit plate (7), and the limit plate (7) is away from the outer pipe (4). One side is fixedly connected with an extrusion rod (22), one end of which penetrates and extends to the inside of the adjustment bin (3). The inner peripheral wall of the adjustment bin (3) is fixedly connected with a moving ring (5) located on the left side of the extrusion rod (22), and the inner bottom wall and the inner top wall of the connecting pipe (2) are fixedly connected with a sliding rail (20). ), the interior of the connecting pipe (2) is movably installed with two movable blocks (16) located at the top and bottom of the outer pipe (4) respectively, and the two movable blocks (16) are on the opposite side. Both are fixedly connected with a sliding block (19) slidingly connected with the slide rail (20), and the opposite side of the two movable blocks (16) is fixedly connected with a moving ring (14) located outside the outer pipe (4), so The top and bottom of the motion ring (14) are fixedly connected with a moving rod (21) that runs through and extends to the inside of the adjustment bin (3) at one end, and the inner peripheral wall of the connecting pipe (2) is fixedly connected with a sliding rail (20). ) on the left side of the fixing ring (18), the fixing ring (18) is fixedly connected with the inner peripheral wall of the moving ring (14) with a sealing rubber sleeve (15), the fixing ring (18), the moving ring (14) and the A sealing rubber ring (17) is movably installed between the sealing rubber sleeves (15), and the outer peripheral wall of the outer pipe (4) is provided with four clamping grooves (13). 2. The explosion-proof flame arrester on a VOC waste gas treatment collection pipe network according to claim 1, characterized in that: the shape of the regulating bin (3) is an inner hollow fixed cylindrical shape, and the regulating bin (3) The right and left sides of the ) are provided with first through holes which are adapted to the connecting pipe (2). 3. The explosion-proof flame arrester on a VOC waste gas treatment and collection pipe network according to claim 1, wherein the inner peripheral wall of the threaded ring (9) is a thread, and the threaded ring (9) passes through the inner peripheral wall The thread of the connecting pipe (2) is threadedly connected with the thread groove (10) on the outer peripheral wall of the connecting pipe (2). 4. The explosion-proof flame arrester on a VOC waste gas treatment collection pipe network according to claim 1, characterized in that: a side of the metal silo (11) close to the outer pipe (4) is provided with a clamping rod (12) ), the four card slots (13) are respectively matched with the four card rods (12), and the four card slots (13) are located on the same vertical plane. 5. The explosion-proof flame arrester on a VOC waste gas treatment collection pipe network according to claim 1, characterized in that: the outer peripheral wall of the connecting pipe (2) is provided with a number of four and is respectively squeezed with four The rod (22) is adapted to a third through hole, the side of the extrusion rod (22) away from the outer pipe (4) is arc-shaped, and the inner peripheral wall of the extrusion ring (6) is an inclined surface. 6. The explosion-proof flame arrester on a VOC waste gas treatment collection pipe network according to claim 1, wherein the top and bottom of the connecting pipe (2) are provided with rectangular through holes, and the rectangular through holes are provided with rectangular through holes. The width is the same as the diameter of the moving rod (21), and the length of the rectangular through hole is the same as the length of the sliding rail (20). 7. The explosion-proof flame arrester on a VOC waste gas treatment collection pipe network according to claim 1, wherein the sealing rubber sleeve (15) is an annular shape, and the sealing rubber sleeve (15) has a cross-section of The shape is a semicircle, the shape of the cross section of the sealing rubber ring (17) is a semicircle, the inner diameter of the moving ring (14) is the same as the inner diameter of the fixing ring (18), the moving ring The inner peripheral wall of (14) is in the same plane as the inner peripheral wall of the fixing ring (18).

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