Corrosion resistant flame arrester

Abstract

The utility model discloses a corrosion-resistant flame arrester, including a shell, a mounting groove is provided in the middle of the outer side of the shell, a fire-blocking core is arranged in the middle position inside the shell, and the inner wall of the shell and the outer wall of the fire-blocking core are coated with an anti-corrosion layer; and also includes: a limit plate is installed on the outer side of the fire-blocking core, and a fixing seat is fixed on the left side of the top of the shell. The corrosion-resistant flame arrester is coated with an anti-corrosion layer on the shell and the fire-blocking core, so as to avoid the outer wall of the fire-blocking core and the inner wall of the shell from being corroded after the flame arrester is used for a long time, thereby prolonging the service life of the flame arrester, and then when the fire-blocking core needs to be replaced, it is only necessary to rotate the worm in the reverse direction to release the fixing of the limit plate, and then pull out the fire-blocking core to remove it, and then insert the new fire-blocking core into the mounting groove on the shell through the limit plate, and rotate the worm in the forward direction to complete the installation of the fire-blocking core, so as to facilitate the rapid replacement of the fire-blocking core.

Description

Technical Field

[0001] The utility model relates to the technical field of flame arresters, in particular to a corrosion-resistant flame arrester. Background Art

[0002] Flame arrester is a safety device used to prevent external flames from entering equipment and pipelines containing flammable and explosive gases, or to prevent flames from spreading between equipment and pipelines. It is widely used in many fields such as households, industry and commerce.

[0003] For example, a flame arrester with corrosion resistance and publication number CN219167577U comprises a flame arrester body, an upper flange is connected to the top of the flame arrester body, an upper end cap is arranged above the flame arrester body, a temperature sensor is connected to one side of the upper end cap, and a pressure sensor is connected to the other side of the upper end cap, the flame arrester body is composed of an outer wall of a flame arrester shell and an inner wall of the flame arrester shell, a steam-water cavity is formed between the outer wall of the flame arrester shell and the inner wall of the flame arrester shell, a fireproof cotton for buffering the impact force of the gas is fixedly connected to the inner wall of the upper end cap, and an anti-corrosion coating is applied to the outer wall of the flame arrester body; a flame arrester with corrosion resistance can be easily disassembled and replaced to change the discharge flow, and temperature control and pressure difference can be detected in real time when in use, and the internal safety status of the pipeline can be monitored in real time, which is safer and more convenient to use; and in addition to having good fire-blocking performance, it can also achieve the effects of high temperature resistance and corrosion resistance;

[0004] When the above technical solution is in use, the fire arrester core is installed in the flame arrester body through the middle flange and bolts. However, after the fire arrester core is used for a long time, impurities contained in the explosion gas will adhere to the fire arrester core and then block the fire arrester core. Then, the above technical solution requires the staff to use tools to unscrew multiple bolts in sequence to remove the fire arrester core, which makes the replacement step time-consuming and labor-intensive and inconvenient to use. At the same time, after the flame arrester is used for a long time, it will be corroded by the gas and cannot be used, resulting in a short service life.

[0005] Therefore, we proposed that corrosion-resistant flame arresters can solve the above problems well. Utility Model Content

[0006] The utility model aims to provide a corrosion-resistant flame arrester to solve the problem that the flame arrester core can be removed by workers using tools to unscrew multiple bolts in sequence, which makes the replacement process time-consuming and labor-intensive and inconvenient to use. At the same time, after long-term use, the flame arrester will be corroded by gas and become unusable, resulting in a short service life.

[0007] To achieve the above object, the utility model provides the following technical solution: a corrosion-resistant flame arrester, comprising a shell, a mounting groove is provided in the middle of the inner wall of the shell, a flame arrester core is provided in the middle position inside the shell, and the inner wall of the shell and the outer wall of the flame arrester core are coated with an anti-corrosion layer;

[0008] It also includes: a limit plate is installed on the outer side of the fire-blocking core, a fixing seat is fixed on the left side of the top of the shell, a threaded rod is connected to the left equiangular bearing of the inner wall of the shell, and driven gears are fixed on the outer sides of the four threaded rods;

[0009] The outer side of the right end of the threaded rod is sleeved with a positioning block, the outer side of the housing is sleeved with a volute ring, and the inner side of the volute ring is equipped with tooth blocks at equal intervals, and the left side of the limit plate is provided with limit grooves at equal angles;

[0010] A worm is rotatably connected to the upper part of the fixing seat, and the front end of the worm penetrates through the interior of the fixing seat.

[0011] Preferably, the worm ring is rotationally connected to the housing, and the outer side of the worm ring extends into the inner wall of the fixed seat, and the worm ring and the worm are meshingly connected, the four driven gears are distributed at equal angles on the inner wall of the housing, and the driven gears and the gear blocks are meshingly connected.

[0012] Preferably, the anti-corrosion layer is an organosilicon high temperature resistant coating.

[0013] Preferably, the positioning block is threadedly connected to the threaded rod, a protrusion is fixed on the outer side of the positioning block, and the positioning block is slidably arranged on the inner wall of the shell through the protrusion, and the positions of the positioning block and the limiting groove correspond one to one.

[0014] Preferably, the limiting plate is snap-fitted to the mounting groove, and sealing gaskets are provided between the left and right sides of the limiting plate and the inner wall of the mounting groove.

[0015] Preferably, a cross bar is provided inside the shell, and a partition plate is fixedly connected to the outer sides of the two cross bars.

[0016] Preferably, the two cross bars are symmetrically installed inside the shell about the center point of the fire-blocking core, and the plurality of partition plates are staggered and distributed at equal intervals on the outside of the cross bars.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the corrosion-resistant flame arrester adopts a new structural design, and its specific contents are as follows:

[0018] (1) When the fire-blocking core needs to be replaced, the worm gear only needs to be rotated in the opposite direction so that the worm gear drives the worm ring to rotate, and the tooth block inside the worm ring drives the four driven gears to rotate, thereby rotating the threaded rod and driving the positioning block to move so that it is separated from the positioning groove, thereby releasing the fixation of the limit plate, and then the fire-blocking core can be pulled out to be removed, thereby facilitating the rapid replacement of the fire-blocking core;

[0019] Furthermore, when a new fire-blocking core needs to be installed, the fire-blocking core is inserted into the installation groove on the housing through the limiting disk, and then the worm is rotated forward, so that the four driven gears rotate forward, and the four positioning blocks are driven to be inserted into the corresponding four positioning grooves, so that the limiting disk can be fixed and the installation of the fire-blocking core is completed;

[0020] (2) The sealing gasket provided between the limiting plate and the installation groove can improve the sealing performance of the fire-blocking core installation and prevent gas leakage;

[0021] (3) By coating both the shell and the fire-blocking core with an anti-corrosion layer, the outer wall of the fire-blocking core and the inner wall of the shell of the flame arrester are prevented from being corroded after long-term use;

[0022] (4) When a deflagration accident occurs, the multiple partitions can be used to weaken the explosion gas layer by layer, and then the fire-retardant core is protected from being damaged by the impact of the explosion gas through the front contact, thereby increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the side view of the worm ring and four driven gears of the utility model;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the worm ring and the worm of the utility model;

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the cross bar and the partition plate of the utility model;

[0028] Figure 6 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0029] In the figure: 1. Shell; 2. Fire-blocking core; 3. Limiting plate; 4. Mounting groove; 5. Fixed seat; 6. Cross bar; 7. Partition plate; 8. Volute ring; 9. Threaded rod; 10. Driven gear; 11. Gear block; 12. Positioning block; 13. Worm; 14. Sealing gasket; 15. Anti-corrosion layer. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 6 , the utility model provides the following technical solutions: corrosion-resistant flame arrester;

[0032] Embodiment 1: In order to solve the problem that in the prior art, the staff needs to use tools to unscrew multiple bolts in order to remove the fire arrester core 2, which makes the replacement step time-consuming and labor-intensive, inconvenient to use, and the flame arrester will be corroded by gas after long-term use and then cannot be used, resulting in a short service life, the following solution is disclosed, and specific reference is made to Figure 1-Figure 4 and Figure 6 As shown, it includes a shell 1, a mounting groove 4 is opened in the middle of the inner wall of the shell 1, and a fire-blocking core 2 is arranged in the middle position inside the shell 1, and the inner wall of the shell 1 and the outer wall of the fire-blocking core 2 are coated with an anti-corrosion layer 15, and the anti-corrosion layer 15 is an organic silicon high temperature resistant coating;

[0033] It also includes: a limit plate 3 is installed on the outer side of the fire-blocking core 2, a fixing seat 5 is fixed on the left side of the top of the shell 1, a threaded rod 9 is connected to the left side of the inner wall of the shell 1 at an equal angle, and the outer sides of the four threaded rods 9 are all sleeved and fixed with a driven gear 10; a positioning block 12 is sleeved on the outer side of the right end of the threaded rod 9, a volute ring 8 is sleeved on the outer side of the shell 1, and a tooth block 11 is installed on the inner side of the volute ring 8 at equal intervals, a limit groove is provided at an equal angle on the left side of the limit plate 3, the positioning block 12 is threadedly connected to the threaded rod 9, and the outer side of the positioning block 12 is fixed A protrusion is fixed, and a positioning block 12 is slidably arranged on the inner wall of the shell 1 through the protrusion, and the position of the positioning block 12 corresponds to the position of the limit groove one by one; a worm 13 is rotatably connected to the upper part of the interior of the fixed seat 5, and the front end of the worm 13 passes through the interior of the fixed seat 5, the worm ring 8 and the shell 1 are rotatably connected, and the outer side of the worm ring 8 extends into the inner wall of the fixed seat 5, and the worm ring 8 and the worm 13 are meshingly connected, and four driven gears 10 are distributed at equal angles on the inner wall of the shell 1, and the driven gear 10 and the tooth block 11 are meshingly connected.

[0034] By coating the shell 1 and the fire arrester core 2 with an anti-corrosion layer 15, the outer wall of the fire arrester core 2 and the inner wall of the shell 1 are prevented from being corroded and unusable after long-term use, thereby extending the service life of the flame arrester. When the fire arrester core 2 needs to be replaced, the staff only needs to rotate the worm 13 in the reverse direction, so that the worm 13 drives the worm ring 8 to rotate in the reverse direction, and uses the tooth block 11 on the inner side of the worm ring 8 to drive the four meshing driven gears 10 to rotate, thereby causing the threaded rod 9 to rotate and drive the positioning block 12 to move to the left. , so that it is separated from the positioning groove, the fixing of the limit plate 3 can be released, and then the fire-blocking core 2 can be pulled out to be removed, and then the new fire-blocking core 2 is inserted into the mounting groove 4 on the shell 1 through the limit plate 3, and then the staff rotates the worm 13 in the forward direction and repeats the above operation, so that the four threaded rods 9 rotate forward and drive the four positioning blocks 12 to move to the right and insert them into the corresponding four positioning grooves, which can fix the limit plate 3 and complete the installation of the fire-blocking core 2, thereby facilitating the rapid replacement of the fire-blocking core 2.

[0035] Embodiment 2: Different from Embodiment 1, this embodiment uses the sealing gasket 14 to improve the sealing performance of the connection between the fire-blocking core 2 and the housing 1. Figure 1 and Figure 6 As shown, the limiting plate 3 and the mounting groove 4 are connected by a snap fit, and sealing gaskets 14 are provided between the left and right sides of the limiting plate 3 and the inner wall of the mounting groove 4;

[0036] By using the sealing gasket 14 disposed between the limiting plate 3 and the mounting groove 4, the sealing performance of the installation of the fire-blocking core 2 can be improved to prevent gas leakage.

[0037] Embodiment 3: Different from Embodiment 2, this embodiment uses multiple partition plates 7 to weaken the explosion gas, thereby protecting the fire-blocking core 2 from being damaged by the impact of the explosion gas and increasing its service life. Figure 1 and Figure 5 As shown, the shell 1 is provided with a cross bar 6, and the outer sides of the two cross bars 6 are fixedly connected with a partition plate 7, the two cross bars 6 are symmetrically installed inside the shell 1 about the center point of the fire-blocking core 2, and a plurality of partition plates 7 are staggered and distributed at equal intervals on the outer sides of the cross bars 6;

[0038] When a deflagration accident occurs, the explosion gas can be weakened layer by layer by using the multiple partition plates 7, and then the fire-blocking core 2 is contacted head-on, thereby protecting the fire-blocking core 2 from being damaged by the impact of the explosion gas and increasing its service life.

[0039] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant flame arrester, comprising a shell (1), wherein a mounting groove (4) is provided in the middle of the outer side of the shell (1), a flame arrester core (2) is provided in the middle of the inner side of the shell (1), and an anti-corrosion layer (15) is coated on the inner wall of the shell (1) and the outer wall of the flame arrester core (2); It is characterized in that Also includes: A limit plate (3) is installed on the outer side of the fire-blocking core (2); a fixing seat (5) is fixed on the left side of the top of the shell (1); a threaded rod (9) is connected to the left equiangular bearing on the inner wall of the shell (1); and driven gears (10) are sleeved and fixed on the outer sides of the four threaded rods (9); The right end of the threaded rod (9) is sleeved with a positioning block (12) on the outside, the housing (1) is sleeved with a volute ring (8) on the outside, and tooth blocks (11) are installed at equal intervals on the inside of the volute ring (8), and the left side of the limit plate (3) is provided with limit grooves at equal angles; A worm (13) is rotatably connected to the upper portion of the interior of the fixing seat (5), and the front end of the worm (13) penetrates the interior of the fixing seat (5).

2. The corrosion-resistant flame arrester according to claim 1, characterized in that: The worm ring (8) and the housing (1) are rotatably connected, and the outer side of the worm ring (8) extends into the inner wall of the fixed seat (5), and the worm ring (8) and the worm (13) are meshingly connected. The four driven gears (10) are distributed at equal angles on the inner wall of the housing (1), and the driven gears (10) and the tooth blocks (11) are meshingly connected.

3. The corrosion-resistant flame arrester according to claim 1, characterized in that: The anti-corrosion layer (15) is an organic silicon high temperature resistant coating.

4. The corrosion-resistant flame arrester according to claim 1, characterized in that: The positioning block (12) and the threaded rod (9) are threadedly connected, a protrusion is fixed on the outside of the positioning block (12), and the positioning block (12) is slidably arranged on the inner wall of the housing (1) through the protrusion, and the positions of the positioning block (12) and the limiting groove correspond one to one.

5. The corrosion-resistant flame arrester according to claim 1, characterized in that: The limiting plate (3) and the mounting groove (4) are in a snap-fit ​​connection, and sealing pads (14) are provided between the left and right sides of the limiting plate (3) and the inner wall of the mounting groove (4).

6. The corrosion-resistant flame arrester according to claim 1, characterized in that: The shell (1) is provided with a cross bar (6) inside, and the outer sides of the two cross bars (6) are fixedly connected with a partition plate (7).

7. The corrosion-resistant flame arrester according to claim 6, characterized in that: The two cross bars (6) are symmetrically mounted inside the housing (1) about the center point of the fire-blocking core (2), and the plurality of partition plates (7) are staggered and distributed at equal intervals on the outside of the cross bars (6).

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