Two-way high-temperature pipeline anti-freezing detonation-resistant flame arrester

Abstract

The utility model discloses a two-way high-temperature pipeline anti-freezing detonation-resistant flame arrester, which relates to the technical field of flame arresters, and comprises a left shell and a left pipeline fixedly connected to one side of the left shell, a rotating rod is rotatably connected to the upper part of the left shell close to a first sliding chute, and a gear is fixedly connected to one side of the rotating rod close to the left shell. The side, away from the gear, of the rotating rod is movably connected with an upper mounting block, the side, away from the gear, of the rotating rod is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a transmission piece, the bottom of the transmission piece is movably connected with a lower mounting block, and the bottom of the lower mounting block is fixedly connected with a sealing plate. And the vertical position of the sealing plate is adjusted through mutual transmission of the connecting rod and the transmission part, so that the problems that the anti-freezing and fire-retarding structure is relatively simple, the anti-freezing and fire-retarding performance is poor, the fire-retarding efficiency is low, and the safety requirement during use cannot be met are solved.

Description

Technical Field

[0001] This utility model relates to the field of flame arrester technology, and in particular to a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester. Background Technology

[0002] A flame arrester is a safety device used to prevent the spread of flames from flammable gases and liquid vapors. It is generally installed in pipelines that transport flammable gases or on ventilated tanks to prevent the spread of flames. It consists of a flame arrestor core, a flame arrestor housing, and accessories.

[0003] For example, patent CN214260425U discloses a bidirectional unsteady-state detonation type flame arrester. The closing mechanism includes a fixed plate, a connecting block fixedly connected to one side of the fixed plate, a swing plate movably connected to one side of the connecting block, a compression spring and a connecting rod fixedly connected to one side of the swing plate, one end of the compression spring fixedly connected to one side of the fixed plate, and a sealing plate fixedly connected to one end of the connecting rod. However, this device has a relatively simple anti-freeze flame arresting structure, poor anti-freeze flame arresting performance, and low flame arresting efficiency, failing to meet the safety requirements during use.

[0004] Therefore, in order to solve this problem, we propose a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, which have relatively simple antifreeze and fire-arresting structures, poor antifreeze and fire-arresting performance, and low fire-arresting efficiency, failing to meet safety requirements during use. Therefore, this invention proposes a bidirectional high-temperature pipeline antifreeze and anti-detonation type fire arrester.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester, comprising a left shell and a left pipe fixedly connected to one side of the left shell, a first sliding groove is provided on one side of the outer wall of the left shell, a cylinder is fixedly connected to the lower part of the outer wall of the left shell near the first sliding groove, a push rod is fixedly connected to the output end of the cylinder, a double rack is fixedly connected to the top of the push rod, and a first slider is fixedly connected to the side of the double rack near the left shell;

[0007] A support plate is fixedly connected to the side of the left housing away from the left pipe. A through groove is opened below the support plate, and a flow limiting plate is fixedly connected in the through groove. U-shaped parts are fixedly connected to the lower part of the outer walls on both sides of the support plate. Second sliding grooves are opened on the inner walls on both sides of the U-shaped parts. A rotating rod is rotatably connected to the upper part of the left housing near the first sliding groove. A gear is fixedly connected to the side of the rotating rod near the left housing. An upper mounting block is movably connected to the side of the rotating rod away from the gear. The upper mounting block is fixedly connected to the support plate. A connecting rod is fixedly connected to the side of the rotating rod away from the gear. A transmission component is fixedly connected to the bottom of the connecting rod. A lower mounting block is movably connected to the bottom of the transmission component. A sealing plate is fixedly connected to the bottom of the lower mounting block. Second sliders are fixedly connected to the outer walls on both sides of the sealing plate.

[0008] Preferably, a left flange is fixedly connected to the side of the left housing away from the left pipe, a rubber ring is fixedly connected to the outer wall of the left flange, a right flange is provided on the side of the left flange away from the left housing, a groove is provided on the side of the right flange close to the left flange, and bolts are movably connected to the left flange and the right flange.

[0009] Preferably, a right housing is fixedly connected to the side of the right flange away from the left flange, and a right pipe is fixedly connected to the side of the right housing away from the right flange.

[0010] Preferably, a lifting ring is fixedly connected to the middle of the top surface of both the left and right shells, and a controller is fixedly connected to one side of the lifting ring on the top surface of both the left and right shells.

[0011] Preferably, insulation boards are fixedly connected to the sides of the left and right shells away from the support plate, and temperature detection elements are fixedly connected to the sides of the two insulation boards near the support plate.

[0012] Preferably, the first slide groove and the first slider are dovetail-shaped, and the left housing and the double toothed rack are slidably connected to the first slider through the first slide groove. The second slider is located in the second slide groove, and the U-shaped piece and the sealing plate are slidably connected to the second slider through the second slide groove.

[0013] This utility model has the following beneficial effects:

[0014] In this invention, a double rack and pinion mesh with a gear to drive the rotating rod to rotate. The vertical position of the sealing plate is adjusted by the mutual transmission of the connecting rod and the transmission component. The sealing plate is used to block the fluid and gas passing through the channel, cutting off the connection with the outside air, thereby effectively preventing explosion and freezing. This avoids the problems of simple antifreeze and fire-retardant structures, poor antifreeze and fire-retardant performance, low fire-retardant efficiency, and inability to meet safety requirements during use. A rubber gasket is provided between the left and right flanges to improve the sealing performance of the device. The structure is simple and easy to operate. Attached Figure Description

[0015] Figure 1This is a three-dimensional schematic diagram of a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester proposed in this utility model;

[0016] Figure 2 This is a three-dimensional explosion diagram of a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester proposed in this utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the transmission structure of a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester proposed in this utility model;

[0018] Figure 4 This is a three-dimensional schematic diagram of the transmission component of a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester proposed in this utility model.

[0019] Figure 5 An explosion diagram of the insulation component of a bidirectional high-temperature pipeline antifreeze and detonation-resistant flame arrester proposed in this utility model.

[0020] Figure 6 This is a three-dimensional exploded view of the connector of a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester proposed in this utility model.

[0021] Legend:

[0022] 1. Left housing; 11. First slide groove; 12. Left pipe; 13. Lifting ring; 14. Controller; 2. Cylinder; 21. Push rod; 22. Double rack; 23. First slider; 24. Support plate; 241. Through groove; 242. Flow limiting plate; 25. U-shaped part; 251. Second slide groove; 3. Rotating rod; 31. Gear; 32. Upper mounting block; 33. Connecting rod; 34. Transmission component; 35. Lower mounting block; 36. Sealing plate; 37. Second slider; 4. Insulation plate; 41. Temperature detection component; 5. Left flange; 51. Rubber ring; 52. Right flange; 521. Groove; 53. Bolt; 6. Right housing; 61. Right pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0025] Reference Figure 1-6 This utility model provides an embodiment of a bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester, including a left shell 1 and a left pipe 12 fixedly connected to one side of the left shell 1. The left pipe 12 is used for the flow of gas and liquid. A first sliding groove 11 is provided on the outer wall of one side of the left shell 1. The first sliding groove 11 is used to install a first slider 23. A cylinder 2 is fixedly connected to the lower part of the outer wall of the left shell 1 near the first sliding groove 11. The cylinder 2 is used to drive a push rod 21. The output end of the cylinder 2 is fixedly connected to the push rod 21. The push rod 21 is used to push a double rack 22. The top of the push rod 21 is fixedly connected to the double rack 22. The double rack 22 is used to drive a gear 31 to rotate. The side of the double rack 22 near the left shell 1 is fixedly connected to the first slider 23. The first slider 23 is used to limit the double rack 22.

[0026] A support plate 24 is fixedly connected to the side of the left housing 1 away from the left pipe 12. A through groove 241 is opened below the support plate 24. The function of the through groove 241 is to fix the flow limiting plate 242. The flow limiting plate 242 is fixedly connected inside the through groove 241. The function of the flow limiting plate 242 is to control the flow rate. U-shaped parts 25 are fixedly connected to the lower part of the outer walls on both sides of the support plate 24. Second sliding grooves 251 are opened on the inner walls on both sides of the U-shaped parts 25. The function of the second sliding grooves 251 is to install the second slider 37. A rotating rod 3 is rotatably connected to the upper part of the left housing 1 near the first sliding groove 11. The function of the rotating rod 3 is to drive the connecting rod 33 to deflect. A gear 31 is fixedly connected to the side of the rotating rod 3 near the left housing 1. The function of the gear 31 is to drive the rotating rod 3 to rotate. An upper mounting block 32 is movably connected to the side of the rotating rod 3 away from the gear 31. The upper mounting block 32 is used to mount the rotating rod 3. The upper mounting block 32 is fixedly connected to the support plate 24. A connecting rod 33 is fixedly connected to the side of the rotating rod 3 away from the gear 31. The connecting rod 33 is used to fix the transmission component 34. The bottom of the connecting rod 33 is fixedly connected to the transmission component 34. The transmission component 34 is used to transmit power. A lower mounting block 35 is movably connected to the bottom of the transmission component 34. The lower mounting block 35 is used to fix the sealing plate 36. The bottom of the lower mounting block 35 is fixedly connected to the sealing plate 36. The sealing plate 36 is used to block airflow. Second sliders 37 are fixedly connected to both outer walls of the sealing plate 36. The second sliders 37 are used to limit the movement of the sealing plate 36.

[0027] A left flange 5 is fixedly connected to the side of the left housing 1 away from the left pipe 12. A rubber ring 51 is fixedly connected to the outer wall of the left flange 5. The function of the rubber ring 51 is to seal. A right flange 52 is provided on the side of the left flange 5 away from the left housing 1. A groove 521 is opened on the side of the right flange 52 close to the left flange 5. The function of the groove 521 is to install the rubber ring 51. Bolts 53 are movably connected to the left flange 5 and the right flange 52. The function of the bolts 53 is to fix the left flange 5 and the right flange 52.

[0028] A right housing 6 is fixedly connected to the side of the right flange 52 away from the left flange 5, and a right pipe 61 is fixedly connected to the side of the right housing 6 away from the right flange 52.

[0029] Lifting rings 13 are fixedly connected to the middle of the top surface of both the left shell 1 and the right shell 6. The function of the lifting rings 13 is to facilitate hoisting. A controller 14 is fixedly connected to one side of the lifting rings 13 on the top surface of the left shell 1 and the right shell 6.

[0030] Insulation plates 4 are fixedly connected to the sides of the left shell 1 and right shell 6 away from the support plate 24. The function of the insulation plates 4 is to keep warm and prevent freezing. Temperature detection elements 41 are fixedly connected to the sides of the two insulation plates 4 near the support plate 24. The function of the insulation plates 4 is to monitor the temperature.

[0031] The first slide groove 11 and the first slider 23 are dovetail-shaped, and the left housing 1 and the double toothed rack 22 are slidably connected to the first slider 23 through the first slide groove 11. The second slider 37 is located in the second slide groove 251, and the U-shaped piece 25 and the sealing plate 36 are slidably connected to the second slider 37 through the second slide groove 251.

[0032] Working principle: When the device is used for antifreeze and explosion protection, the temperature detection element 41 transmits the temperature of the gas and fluid inside the left shell 1 and the right shell 6 to the controller 14. When the temperature is high or low, the controller 14 starts the cylinder 2. The cylinder 2 drives the push rod 21, which pushes the double rack 22 to move up and down. The double rack 22 drives the two gears 31 to rotate relative to each other. The gears 31 drive the rotating rod 3 to rotate. The rotating rod 3 drives the sealing plate 36 to move downward through the connecting rod 33 and the transmission element 34. The sealing plate 36 seals the through groove 241 opened on the support plate 24, cutting off the connection with the outside air, thus making the antifreeze and explosion protection effect more obvious. The structure is simple and easy to operate.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester, comprising a left housing (1) and a left pipeline (12) fixedly connected to one side of the left housing (1), characterized in that: A first sliding groove (11) is provided on one side of the outer wall of the left housing (1). A cylinder (2) is fixedly connected to the lower side of the outer wall of the left housing (1) near the first sliding groove (11). A push rod (21) is fixedly connected to the output end of the cylinder (2). A double rack (22) is fixedly connected to the top of the push rod (21). A first slider (23) is fixedly connected to the side of the double rack (22) near the left housing (1). A support plate (24) is fixedly connected to the side of the left housing (1) away from the left pipe (12). A through groove (241) is provided below the support plate (24). A flow limiting plate (242) is fixedly connected in the through groove (241). A U-shaped piece (25) is fixedly connected to the lower side of the outer wall of both sides of the support plate (24). A second sliding groove (251) is provided on the inner wall of both sides of the U-shaped piece (25). A rotating rod (3) is rotatably connected to the upper side of the left housing (1) near the first sliding groove (11). A gear is fixedly connected to the side of the rotating rod (3) near the left housing (1). (31) An upper mounting block (32) is movably connected to the side of the rotating rod (3) away from the gear (31). The upper mounting block (32) is fixedly connected to the support plate (24). A connecting rod (33) is fixedly connected to the side of the rotating rod (3) away from the gear (31). A transmission component (34) is fixedly connected to the bottom of the connecting rod (33). A lower mounting block (35) is movably connected to the bottom of the transmission component (34). A sealing plate (36) is fixedly connected to the bottom of the lower mounting block (35). A second slider (37) is fixedly connected to both outer walls of the sealing plate (36).

2. The bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester according to claim 1, characterized in that: A left flange (5) is fixedly connected to the side of the left housing (1) away from the left pipe (12). A rubber ring (51) is fixedly connected to the outer wall of the left flange (5). A right flange (52) is provided on the side of the left flange (5) away from the left housing (1). A groove (521) is provided on the side of the right flange (52) close to the left flange (5). Bolts (53) are movably connected to the left flange (5) and the right flange (52).

3. The bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester according to claim 2, characterized in that: The right flange (52) is fixedly connected to the right housing (6) on the side away from the left flange (5), and the right housing (6) is fixedly connected to the right pipe (61) on the side away from the right flange (52).

4. A bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester according to claim 1, characterized in that: A lifting ring (13) is fixedly connected to the middle of the top surface of both the left shell (1) and the right shell (6), and a controller (14) is fixedly connected to one side of the lifting ring (13) on the top surface of the left shell (1) and the right shell (6).

5. A bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester according to claim 1, characterized in that: The left shell (1) and the right shell (6) are fixedly connected to the side away from the support plate (24) with insulation plates (4), and temperature detection elements (41) are fixedly connected to the side of the two insulation plates (4) close to the support plate (24).

6. A bidirectional high-temperature pipeline antifreeze and anti-detonation flame arrester according to claim 1, characterized in that: The first slide groove (11) and the first slider (23) are dovetail-shaped, and the left housing (1) and the double toothed rack (22) are slidably connected to the first slider (23) through the first slide groove (11). The second slider (37) is located in the second slide groove (251), and the U-shaped piece (25) and the sealing plate (36) are slidably connected to the second slider (37) through the second slide groove (251).

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