Safe ignition device for coke oven gas cabinet

By designing a scraping and cleaning mechanism for the safety ignition device of the coke oven gas holder, the problem of dirt stains on the inner wall of the gas inlet pipe was solved, achieving cleanliness and safe combustion of the inner wall of the gas cylinder, ensuring smooth gas flow, and avoiding blockages and safety hazards.

CN223976066UActive Publication Date: 2026-03-06HEBEI ZONGHENG GRP FENGNAN STEEL CO LTD
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Patent Information

Application Number
CN202520407471.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-03-06
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

In existing coke oven gas ignition devices, stains easily adhere to the inner wall of the gas inlet pipe, affecting the performance and safety.

Method used

A safety ignition device for coke oven gas holders was designed, comprising a scraping mechanism, a sweeping mechanism, a reciprocating mechanism, and a cleaning mechanism. The scraper and brush are driven by a motor to clean the inner wall of the gas cylinder and inlet pipe. The brush moves up and down by a bevel gear driving a reciprocating screw to clean the stains on the inner wall.

Benefits of technology

It effectively removes impurities from the inner walls of the gas cylinder and inlet pipe, ensuring cleanliness, preventing blockages and impurities from affecting gas flow and combustion efficiency, avoiding safety hazards, and ensuring smooth gas entry and efficient combustion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ignition equipment, and discloses a safe ignition device for a coke oven gas cabinet, which comprises an air pipe, a fixed plate fixedly mounted on the inner wall of the air pipe, a gas cylinder fixedly mounted on the fixed plate, a motor fixedly mounted on the left side of the gas cylinder, and a gas inlet pipe fixedly mounted at the bottom of the gas cylinder, the bottom end of the gas inlet pipe extends to the outer side of the air pipe; a first mounting rack is fixedly mounted on the inner wall of the gas cylinder, the right end of a motor output shaft is rotatably connected with the left side of the first mounting rack, a scraping mechanism is arranged on the motor output shaft, a supporting plate is fixedly mounted on the left inner wall of the gas cylinder, and a second mounting rack is fixedly mounted on the inner wall of the gas inlet pipe. Compared with the prior art, the device has the following advantages and effects that by arranging the brushing mechanism, stains adhering to the inner wall of the gas inlet pipe can be cleaned up, it can be guaranteed that gas smoothly enters the gas barrel, and the purposes that the gas inlet pipe is prevented from being blocked or the flow and quality of the gas are prevented from being affected by impurities are achieved.
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Description

Technical Field

[0001] This application relates to the field of ignition equipment technology, and in particular to a safe ignition device for a coke oven gas holder. Background Technology

[0002] In iron and steel metallurgical enterprises or independent coking enterprises, the hot blast stoves configured in the desulfurization and denitrification systems of coke oven flue gas are mostly ignited using coke oven gas as the fuel medium. The coke oven gas comes from raw coke oven gas that has been purified before entering the gas pipeline network.

[0003] A search revealed a patent document with authorization announcement number CN217383014U, which discloses a coke oven gas igniter, including an air pipe open at the right end. The igniter is characterized by a gas cylinder coaxially arranged inside the air pipe, a conical burner at the right end of the gas cylinder, an end cap connected to a flange at the left end of the gas cylinder, multiple connecting rods arranged radially and around the axis of the gas cylinder fixedly connected to the right side of the gas cylinder's inner wall, and a bushing fixedly connected to the multiple connecting rods. The left end of a reciprocating screw is coaxially rotatably connected to the right end of the end cap, and the right end of the reciprocating screw is rotatably connected to the bushing. A motor for driving the reciprocating screw is installed at the left end of the end cap. Multiple crossbars corresponding to and fixedly connected to the connecting rods are fixedly connected to the right end of the end cap. These crossbars are laterally slidingly engaged with a threaded sleeve threaded to the reciprocating screw. Multiple cleaning components that mate with the inner wall of the gas cylinder are fixedly connected to the threaded sleeve. An ignition electrode corresponding to the burner is fixedly connected to the left side wall of the air pipe.

[0004] In practical use, it was found that in the existing device, sewage is discharged through the gas inlet pipe. After long-term use, the inner wall of the gas inlet pipe is prone to stains, which leads to problems affecting later use. Therefore, we proposed a coke oven gas holder safety ignition device to solve the above problems. Utility Model Content

[0005] The purpose of this application is to address the shortcomings of existing technologies, such as the tendency for stains to adhere to the inner wall of the gas inlet pipe after long-term use, which affects subsequent use. Therefore, a safe ignition device for coke oven gas holders is proposed.

[0006] The above-mentioned technical objective of this application is achieved through the following technical solution: a safety ignition device for a coke oven gas holder, comprising an air pipe, a fixing plate fixedly installed on the inner wall of the air pipe, a gas cylinder fixedly installed on the fixing plate, a motor fixedly installed on the left side of the gas cylinder, a gas inlet pipe fixedly installed at the bottom of the gas cylinder, the bottom end of the gas inlet pipe extending to the outside of the air pipe; a first mounting bracket fixedly installed on the inner wall of the gas cylinder, the right end of the motor output shaft rotatably connected to the left side of the first mounting bracket, a scraping mechanism provided on the motor output shaft, a support plate fixedly installed on the left inner wall of the gas cylinder, a second mounting bracket fixedly installed on the inner wall of the gas inlet pipe, a reciprocating mechanism provided between the second mounting bracket and the support plate, a cleaning mechanism provided inside the gas inlet pipe, and a burner provided on the right side of the gas cylinder.

[0007] A further feature of this application is that the scraping mechanism includes a connecting rod and a scraper. The connecting rod is fixedly installed at the top and bottom of the motor output shaft. The scraper is fixedly installed at the outer end of the connecting rod at the top of the motor output shaft. The scraper is adapted to the inner wall of the gas cylinder. A sweeping mechanism is provided on the connecting rod at the bottom of the motor output shaft.

[0008] By adopting the above technical solution and by setting up a scraping mechanism, the motor output shaft can drive the scraper to rotate, which can achieve the scraping operation on the inner wall of the gas cylinder, thereby removing any impurities that may be attached to the inner wall of the gas cylinder and keeping the inside of the cylinder clean.

[0009] A further feature of this application is that the cleaning mechanism includes a brush holder and a first brush. The brush holder is fixedly installed at the outer end of the bottom connecting rod of the motor output shaft, and the first brush is provided at the bottom of the brush holder. The first brush is adapted to the inner wall of the gas cylinder.

[0010] By adopting the above technical solution and by setting up a cleaning mechanism, the connecting rod can drive the first brush to rotate, thereby cleaning the impurities scraped off the inner wall of the gas cylinder by the first brush. This ensures the cleanliness of the inner wall of the gas cylinder and prevents impurities from affecting the flow and combustion effect of the gas.

[0011] A further configuration of this application is as follows: the reciprocating mechanism includes a reciprocating lead screw and a lead screw seat; the reciprocating lead screw is rotatably mounted on the top of the second mounting bracket; the top end of the reciprocating lead screw extends above the support plate; the lead screw seat is threaded onto the reciprocating lead screw; the lead screw seat is located below the support plate; and a gear mechanism is provided between the reciprocating lead screw and the motor output shaft.

[0012] By adopting the above technical solution and by setting up a reciprocating mechanism, the reciprocating screw can drive the screw seat to move up and down reciprocally, thereby enabling the brush ring and the second brush to move up and down reciprocally.

[0013] A further feature of this application is that the cleaning mechanism includes a brush ring and a second brush. The brush ring is fixedly installed on the outside of the screw seat, and the second brush is provided on the outside of the brush ring. The second brush is adapted to the inner wall of the gas inlet pipe.

[0014] By adopting the above technical solution and setting up a cleaning mechanism, the inner wall of the gas inlet pipe can be cleaned by the second brush, which can clean the stains adhering to the inner wall of the gas inlet pipe, and ensure that the gas enters the gas cylinder smoothly, preventing the gas inlet pipe from being blocked or the flow and quality of the gas from being affected by impurities.

[0015] A further feature of this application is that the top of the second mounting bracket and the bottom of the support plate are fixedly mounted with the same fixing rod, the fixing rod is located to the left of the reciprocating lead screw, and the lead screw seat is slidably sleeved on the fixing rod.

[0016] By adopting the above technical solution and by setting a fixed rod, the lead screw seat can slide up and down on the fixed rod, thus achieving the purpose of the lead screw seat only being able to move in the vertical direction.

[0017] A further feature of this application is that the gear mechanism includes two bevel gears, and bevel gears are fixedly sleeved on both the top of the reciprocating screw and the output shaft of the motor, with the two bevel gears meshing with each other.

[0018] By adopting the above technical solution and by setting bevel gears, the motor output shaft can drive the reciprocating lead screw to rotate synchronously.

[0019] A further feature of this application is that an air inlet pipe is provided at the top of the air pipe, the air inlet pipe is located on the right side of the corresponding fixing plate, an igniter is provided on the fixing plate, the left end of the igniter extends to the outside of the air pipe, and the right end of the igniter extends to the right side of the corresponding fixing plate.

[0020] By adopting the above technical solution, and by setting up an air inlet pipe and an igniter, air can enter the air pipe through the air inlet pipe, and the igniter can ignite the mixture of gas and air.

[0021] The beneficial effects of this application are:

[0022] (1) Through the cooperation of motor, connecting rod, scraper, brush seat and first brush, the motor can drive the scraper and the first brush to rotate, and the scraper can scrape the inner wall of the gas cylinder, which can remove impurities that may be attached to the inner wall of the gas cylinder, and the first brush can clean the impurities scraped off the inner wall of the gas cylinder, thus ensuring the cleanliness of the inner wall of the gas cylinder, preventing impurities from affecting the flow and combustion effect of the gas, and also avoiding the accumulation of impurities that may cause safety hazards.

[0023] (2) Through the cooperation of bevel gear, reciprocating screw, screw seat, brush ring and second brush, the motor output shaft can drive the reciprocating screw to rotate at the same time, and drive the second brush to move up and down reciprocally. The second brush can clean the inner wall of the gas inlet pipe, clean the stains adhering to the inner wall of the gas inlet pipe, and ensure that the gas enters the gas cylinder smoothly, preventing the gas inlet pipe from being blocked or the flow and quality of the gas affected by impurities. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a three-dimensional structural schematic diagram of a safety ignition device for a coke oven gas holder according to this application;

[0026] Figure 2 This is a schematic diagram of the internal structure of the air pipe of a coke oven gas holder safety ignition device according to this application;

[0027] Figure 3 This is a schematic diagram of the internal structure of the gas cylinder and gas inlet pipe of a coke oven gas holder safety ignition device according to this application;

[0028] Figure 4 This is a schematic diagram of structure A of a coke oven gas holder safety ignition device according to this application.

[0029] In the diagram: 1. Air pipe; 2. Fixing plate; 3. Gas cylinder; 301. Motor; 302. Connecting rod; 303. Scraper; 304. Brush holder; 305. First brush; 4. Gas inlet pipe; 401. Reciprocating screw; 402. Screw seat; 403. Second brush; 404. Bevel gear; 5. First mounting bracket; 6. Second mounting bracket; 7. Support plate; 8. Air inlet pipe; 9. Igniter; 10. Burner. Detailed Implementation

[0030] The technical solution of this application will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0031] See Figures 1-4This application provides a safety ignition device for a coke oven gas holder, including an air pipe 1, a fixing plate 2 fixedly installed on the inner wall of the air pipe 1, a gas cylinder 3 fixedly installed on the fixing plate 2, a motor 301 fixedly installed on the left side of the gas cylinder 3, a gas inlet pipe 4 fixedly installed at the bottom of the gas cylinder 3, and the bottom end of the gas inlet pipe 4 extending to the outside of the air pipe 1; a first mounting bracket 5 fixedly installed on the inner wall of the gas cylinder 3, the right end of the output shaft of the motor 301 being rotatably connected to the left side of the first mounting bracket 5, a scraping mechanism being provided on the output shaft of the motor 301, a support plate 7 fixedly installed on the inner wall of the left side of the gas cylinder 3, a second mounting bracket 6 fixedly installed on the inner wall of the gas inlet pipe 4, a reciprocating mechanism being provided between the second mounting bracket 6 and the support plate 7, a cleaning mechanism being provided inside the gas inlet pipe 4, and a burner 10 being provided on the right side of the gas cylinder 3.

[0032] Specifically, the scraping mechanism includes a connecting rod 302 and a scraper 303. The connecting rod 302 is fixedly installed at the top and bottom of the output shaft of the motor 301. The scraper 303 is fixedly installed at the outer end of the connecting rod 302 at the top of the output shaft of the motor 301. The scraper 303 is adapted to the inner wall of the gas cylinder 3. A sweeping mechanism is provided on the connecting rod 302 at the bottom of the output shaft of the motor 301.

[0033] Specifically, the cleaning mechanism includes a brush holder 304 and a first brush 305. The brush holder 304 is fixedly installed on the outer end of the bottom connecting rod 302 of the output shaft of the motor 301. The first brush 305 is provided at the bottom of the brush holder 304 and is adapted to the inner wall of the gas cylinder 3.

[0034] Specifically, the reciprocating mechanism includes a reciprocating lead screw 401 and a lead screw seat 402. The reciprocating lead screw 401 is rotatably mounted on the top of the second mounting bracket 6. The top end of the reciprocating lead screw 401 extends above the support plate 7. The lead screw seat 402 is threaded onto the reciprocating lead screw 401. The lead screw seat 402 is located below the support plate 7. A gear mechanism is provided between the reciprocating lead screw 401 and the output shaft of the motor 301.

[0035] Specifically, the cleaning mechanism includes a brush ring and a second brush 403. The brush ring is fixedly installed on the outside of the screw seat 402, and the second brush 403 is provided on the outside of the brush ring. The second brush 403 is adapted to the inner wall of the gas inlet pipe 4.

[0036] Specifically, the top of the second mounting bracket 6 and the bottom of the support plate 7 are fixedly mounted with the same fixing rod. The fixing rod is located to the left of the reciprocating lead screw 401, and the lead screw seat 402 is slidably sleeved on the fixing rod.

[0037] Specifically, the gear mechanism includes two bevel gears 404. The top of the reciprocating screw 401 and the output shaft of the motor 301 are both fixedly fitted with bevel gears 404, and the two bevel gears 404 mesh with each other.

[0038] Specifically, an air inlet pipe 8 is provided at the top of the air pipe 1. The air inlet pipe 8 is located on the right side of the corresponding fixing plate 2. An igniter 9 is provided on the fixing plate 2. The left end of the igniter 9 extends to the outside of the air pipe 1, and the right end of the igniter 9 extends to the right side of the corresponding fixing plate 2.

[0039] In this application, when it is necessary to clean the inner wall of the gas cylinder 3 and the inner wall of the gas inlet pipe 4, the gas inlet pipe 4 is first disconnected from the external pipeline. The cleaning agent is injected into the gas cylinder 3 through the burner 10. During cleaning, the wastewater flows out through the gas inlet pipe 4. By starting the motor 301, the output shaft of the motor 301 can drive the connecting rod 302 to rotate, which can drive the scraper 303 and the brush seat 304 to rotate. The scraper 303 can scrape the inner wall of the gas cylinder 3, which can remove any impurities that may be attached to the inner wall of the gas cylinder 3 and keep the cylinder clean. At the same time, the brush seat 304 drives the first brush 305 to rotate, which can clean the impurities scraped off the inner wall of the gas cylinder 3. This can ensure the cleanliness of the inner wall of the gas cylinder 3, prevent impurities from affecting the flow and combustion effect of the gas, and also avoid the accumulation of impurities that may cause safety hazards.

[0040] At the same time, the output shaft of the motor 301 can drive the reciprocating screw 401 to rotate through two bevel gears 404, which can drive the screw seat 402 to move up and down reciprocally, and can drive the brush ring and the second brush 403 to move up and down reciprocally, so that the inner wall of the gas inlet pipe 4 can be cleaned by the second brush 403, and the dirt adhering to the inner wall of the gas inlet pipe 4 can be cleaned, so as to ensure that the gas enters the gas cylinder 3 smoothly and prevent the gas inlet pipe 4 from being blocked or the flow and quality of the gas from being affected by impurities.

[0041] Coke oven gas enters gas cylinder 3 through gas inlet pipe 4, providing fuel for subsequent combustion. At the same time, air enters air pipe 1 through air inlet pipe 8, providing the oxygen required for combustion. Gas inlet pipe 4 and air pipe 1 serve as gas delivery channels, transporting gas and air to the corresponding locations to prepare for the combustion reaction. Once the gas and air have reached the corresponding locations, igniter 9 starts working, generating an electric spark to ignite the gas-air mixture. The ignited mixture then burns at burner 10 on the right side of gas cylinder 3, achieving the ignition operation. The heat or energy generated by combustion is transferred through burner 10 to meet the corresponding usage requirements of the coke oven gas holder.

Claims

1. A coke oven gas holder safety ignition device, characterized in that, Including air pipe (1), the inner wall of air pipe (1) is fixedly installed with fixed plate (2), the fixed plate (2) is fixedly installed with gas cylinder (3), the left side of gas cylinder (3) is fixedly installed with motor (301), the bottom of gas cylinder (3) is fixedly installed with gas inlet pipe (4), the bottom end of gas inlet pipe (4) extends to the outside of air pipe (1); The inner wall of gas cylinder (3) is fixedly installed with first mounting bracket (5), the output shaft right end of motor (301) is rotatably connected with the left side of first mounting bracket (5), the output shaft of motor (301) is provided with scraping mechanism, the left side inner wall of gas cylinder (3) is fixedly installed with support plate (7), the inner wall of gas inlet pipe (4) is fixedly installed with second mounting bracket (6), reciprocating mechanism is arranged between second mounting bracket (6) and support plate (7), the gas inlet pipe (4) is provided with cleaning brush mechanism, the right side of gas cylinder (3) is provided with burner (10).

2. A coke oven gas holder safety ignition device according to claim 1, characterized in that: The scraping mechanism includes connecting rod (302) and scraper (303), the top and bottom of the output shaft of motor (301) are fixedly installed with connecting rod (302), the outer end of the top connecting rod (302) of the output shaft of motor (301) is fixedly installed with scraper (303), the scraper (303) is matched with the inner wall of gas cylinder (3), the bottom connecting rod (302) of the output shaft of motor (301) is provided with sweeping mechanism.

3. A coke oven gas holder safety ignition device according to claim 2, characterized in that: The sweeping mechanism includes brush holder (304) and first brush (305), the outer end of the bottom connecting rod (302) of the output shaft of motor (301) is fixedly installed with brush holder (304), the bottom of brush holder (304) is provided with first brush (305), the first brush (305) is matched with the inner wall of gas cylinder (3).

4. A coke oven gas holder safety ignition device according to claim 1, characterized in that: The reciprocating mechanism includes reciprocating screw rod (401) and screw rod seat (402), the top of second mounting bracket (6) is rotatably installed with reciprocating screw rod (401), the top end of reciprocating screw rod (401) extends above support plate (7), the screw rod seat (402) is threadedly sleeved on reciprocating screw rod (401), the screw rod seat (402) is below support plate (7), the reciprocating screw rod (401) and the output shaft of motor (301) are provided with gear mechanism.

5. A coke oven gas holder safety ignition device according to claim 4, characterized in that: The cleaning brush mechanism includes brush ring and second brush (403), the outer side of screw rod seat (402) is fixedly installed with brush ring, the outer side of brush ring is provided with second brush (403), the second brush (403) is matched with the inner wall of gas inlet pipe (4).

6. A coke oven gas holder safety ignition device according to claim 4, characterized in that: The top of second mounting bracket (6) and the bottom of support plate (7) are fixedly installed with the same fixing rod, the fixing rod is located on the left side of reciprocating screw rod (401), the screw rod seat (402) is slidably sleeved on the fixing rod.

7. A coke oven gas holder safety igniter as defined in claim 4, characterized in that: The gear mechanism includes two bevel gears (404), the top end of reciprocating screw rod (401) and the output shaft of motor (301) are fixedly sleeved with bevel gears (404), the two bevel gears (404) are engaged.

8. A coke oven gas holder safety ignition device according to claim 1, characterized in that: The air pipe (1) top is provided with air inlet pipe (8), air inlet pipe (8) is located in the corresponding fixed plate (2) right side, the fixed plate (2) is provided with igniter (9), the igniter (9) left end extends to the outside of air pipe (1), the igniter (9) right end extends to the right side of the corresponding fixed plate (2).

Citation Information

Patent Citations

  • Coke oven gas igniter

    CN217383014U