Coke oven flue suction adjusting device

By using a coke oven flue suction regulating device, which utilizes bevel gears and threaded rod assemblies to control the connection of ventilation holes, the problem of uneven gas flow in the coke oven flue is solved, enabling flexible adjustment of gas flow and protection of the equipment.

CN223561519UActive Publication Date: 2025-11-18河北中增智能科技有限公司
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Patent Information

Application Number
CN202423072068.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-18
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing coke oven flue gas flow distribution is singular and cannot effectively cope with changes in production conditions, resulting in uneven gas flow.

Method used

A coke oven flue suction adjustment device was designed. By setting up a suction adjustment mechanism and a reminder mechanism, the device uses components such as bevel gears and threaded rods to control the connection of ventilation holes of different sizes, thereby realizing the redistribution of gas flow. The device also reminds the operator to prevent the threaded rod from being rotated excessively by ringing a bell.

Benefits of technology

It enables flexible adjustment of gas flow in coke oven flue, ensuring balanced gas flow, and prevents equipment damage and extends equipment service life through a warning mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coke oven flues, and provides a coke oven flue suction adjusting device which comprises a flue body, a clay brick layer is arranged on the surface of the flue body, a nano-mesoporous heat insulation felt board layer is arranged on the surface of the clay brick layer, a rain cap is fixedly connected to the top of the flue body, and the rain cap is fixedly connected to the top of the flue body. A suction force adjusting mechanism is arranged in the flue body, so that when gas flow of the flue body needs to be redistributed, communication of two groups of ventilation holes with different sizes can be controlled through cooperation of a bevel gear D, a bevel gear C, a vertical rod and other components after a rotating rod B is rotated, and the gas flow of the flue body can be redistributed. And when the gas flow of the flue body needs to be improved to the maximum, the lifting plate can descend to be separated from the sealing plate through cooperation of the bevel gear B, the bevel gear A, the threaded rod and other assemblies by rotating the rotating rod A, and at the moment, the gas flow of the flue body can be improved to the maximum.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coke oven flue technical field, specifically, relate to a coke oven flue suction force adjusting device. BACKGROUND

[0002] The coke oven is a kind of furnace for refining coke. Modern coke oven is composed of carbonization chamber, combustion chamber, regenerator, inclined channel area, furnace top, foundation, flue, etc., and coal in carbonization chamber is heated to become coke under the condition of air isolation. The service life of a coke oven is generally about 25 years, and can reach more than 30 years under good operation and maintenance, and the coke oven flue is a tubular device for discharging waste gas and smoke generated during coke refining.

[0003] The utility model discloses a coke oven head fireway temperature adjusting device with the publication number CN216106767U, which includes a baffle plate arranged at the coke oven small flue and fixedly connected to the base, and airflow holes are formed in the baffle plate. The application file increases the flow resistance of normal fireway gas to realize the redistribution of gas flow in the small flue, so that the rising coal gas and air pressure and the descending waste gas suction force act more on the low-temperature fireway of the furnace head. However, the redistribution of gas flow in the small flue is relatively single, and it is difficult to cope with the actual production conditions. UTILITY MODEL CONTENT

[0004] The utility model provides a coke oven flue suction force adjusting device, which solves the problems in the above-mentioned file.

[0005] The technical scheme of the utility model is as follows: a coke oven flue suction force adjusting device, which comprises a flue body, a clay brick layer is arranged on the surface of the flue body, a nano mesoporous heat insulation felt plate layer is arranged on the surface of the clay brick layer, a rain cap is fixedly connected to the top of the flue body, and a suction force adjusting mechanism is arranged in the flue body. The suction force adjusting mechanism comprises a support, a threaded cylinder, a rotating rod A, a fixed plate and a rotating rod B, the support and the fixed plate are fixedly connected in the flue body, a threaded rod is penetratingly and rotatably connected to the top of the support, a bevel gear A is fixedly connected to the bottom of the threaded rod, a lifting plate is fixedly connected to the top of the threaded cylinder, a sealing gasket is arranged on the top of the lifting plate, the lifting plate is slidably connected with the inner wall of the flue body, a ventilation hole is formed in the top of the lifting plate, the rotating rod A and the rotating rod B are penetratingly and rotatably connected to the side surface of the flue body, a bevel gear B is fixedly connected to the side end of the rotating rod A, a vertical rod is penetratingly and rotatably connected to the top of the fixed plate, a bevel gear C is fixedly connected to the top of the vertical rod, a closing plate is fixedly connected to the bottom of the vertical rod, a bevel gear D is fixedly connected to the side end of the rotating rod B, and a reminding mechanism is arranged on the side surface of the threaded cylinder.

[0006] The threaded cylinder is connected with the threaded rod through built-in threads, the bevel gear A is vertically engaged with the bevel gear B, and the threaded rod rotates to make the threaded cylinder and the lifting plate ascend or descend through cooperation between the threads.

[0007] The number of the ventilation holes is set to two groups, and the diameters of the two groups of ventilation holes are different, and the gas flow of the flue body can be redistributed by controlling the communication of the two groups of ventilation holes with different sizes.

[0008] The bottom of the closing plate is in initial abutment with the top of the sealing gasket, the size of the closing plate is half of the size of the lifting plate, and the closing plate is in close contact with the top of the sealing gasket, so that the closing plate can block one group of ventilation holes.

[0009] The bevel gear C is vertically engaged with the bevel gear D, and the bevel gear D rotates to drive the bevel gear C to rotate.

[0010] The ends, away from the bevel gear B and the bevel gear D, of the rotating rods A and B are provided with anti-skid blocks, and the rotating rods A and B can be rotated through the anti-skid blocks.

[0011] The reminding mechanism comprises a gas pressure chamber and a supporting plate, one end of the gas pressure chamber is fixedly connected to the side of the threaded cylinder in a penetrating mode, a piston rod A is slidably connected to the inside of the one end of the gas pressure chamber, a pressing plate is fixedly connected to the end, away from the gas pressure chamber, of the piston rod A, a compression spring is sleeved on the surface of the piston rod A, a piston rod B is slidably connected to the inside of the other end of the gas pressure chamber, a striking block is fixedly connected to the end, away from the gas pressure chamber, of the piston rod B, the supporting plate is fixedly connected to the side of the threaded cylinder, and a ringing bell is fixedly connected to the top of the supporting plate.

[0012] The top of the pressing plate is in initial abutment with the bottom of the closing plate, and the bottom of the striking block is in initial abutment with the top of the ringing bell.

[0013] The two ends of the compression spring are in abutment with the top of the gas pressure chamber and the bottom of the pressing plate respectively, and the compression spring is in a compressed state in an initial state, and the compression spring rebounds to drive the pressing plate and the piston rod A to move upwards.

[0014] The striking block is made of high-temperature-resistant rubber material, the ringing bell is close to the bottom of the threaded cylinder, and the ringing bell close to the bottom of the threaded cylinder can better transmit the sound to the operator.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] 1. The utility model discloses a suction adjusting mechanism is set up to reach when needing to the gas flow of flue body is redistributed, rotates the connecting of two groups of different size ventilation hole of vertical rod B can be controlled through bevel gear D, bevel gear C, vertical rod etc. The cooperation of assembly when needing to the gas flow of flue body is promoted to maximum, rotates the vertical rod A can make the lifting plate drop and separate with the closing plate through the cooperation of bevel gear B, bevel gear A, threaded rod etc. Assembly, the gas flow of flue body will promote to maximum at this time.

[0017] 2. The utility model discloses a reminding mechanism is set up to reach rotates the vertical rod A through the cooperation of bevel gear B, bevel gear A, threaded rod etc. Assembly makes the lifting plate rise its top sealing pad and reattaches with the closing plate, still will make the ringer emit the sound through the cooperation of air pressure bin, pressing plate, piston rod A, piston rod B etc. Assembly when, thereby reminds the lifting plate top sealing pad and closing board have completely attached, prevent threaded rod and rotate excessively and produce silk. ACCURACY

[0018] The utility model makes further detailed explanation below combining with the specific embodiment and the drawing.

[0019] Figure 1 It is the three-dimensional schematic view of the whole structure of the utility model;

[0020] Figure 2 It is the three-dimensional sectional view of the whole structure of the utility model;

[0021] Figure 3 It is the three-dimensional schematic view of the suction adjusting mechanism structure of the utility model;

[0022] Figure 4 It is the three-dimensional sectional view of the suction adjusting mechanism structure of the utility model;

[0023] Figure 5 It is the three-dimensional schematic view of the reminding mechanism structure of the utility model;

[0024] Figure 6 It is the structure of the utility model Figure 5 A's structure enlarged view.

[0025] In the figure: 1, flue body; 2, clay brick layer; 3, nano mesoporous insulation felt board layer; 4, rain hat; 5, suction adjusting mechanism; 51, support; 52, threaded rod; 53, threaded cylinder; 54, lifting plate; 55, ventilation hole; 56, bevel gear A; 57, rotating rod A; 58, bevel gear B; 59, fixed plate; 510, vertical rod; 511, bevel gear C; 512, rotating rod B; 513, bevel gear D; 514, closing plate; 515, sealing gasket; 6, reminding mechanism; 61, air pressure bin; 62, piston rod A; 63, pressing plate; 64, compression spring; 65, piston rod B; 66, impact block; 67, support plate; 68, ringer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are involved in the scope of protection of the present application.

[0027] Example 1

[0028] As Figures 1-4The embodiment provides a coke oven flue suction force adjusting device, which comprises a flue body 1, a clay brick layer 2 arranged on the surface of the flue body 1, a nano-mesoporous heat insulation felt plate layer 3 arranged on the surface of the clay brick layer 2, a rain cap 4 fixedly connected to the top of the flue body 1, and a suction force adjusting mechanism 5 arranged in the flue body 1; the suction force adjusting mechanism 5 comprises a support 51, a threaded cylinder 53, a rotating rod A 57, a fixed plate 59 and a rotating rod B 512, the support 51 and the fixed plate 59 are both fixedly connected to the inside of the flue body 1, a threaded rod 52 is rotatably connected to the top of the support 51, a bevel gear A 56 is fixedly connected to the bottom of the threaded rod 52, a lifting plate 54 is fixedly connected to the top of the threaded cylinder 53, a sealing gasket 515 is arranged on the top of the lifting plate 54, the lifting plate 54 is slidably connected to the inner wall of the flue body 1, ventilation holes 55 are arranged on the top of the lifting plate 54, the number of the ventilation holes 55 is two groups, the diameters of the two groups of ventilation holes 55 are different, the rotating rod A 57 and the rotating rod B 512 are both rotatably connected to the side of the flue body 1, a bevel gear B 58 is fixedly connected to the side end of the rotating rod A 57, the threaded cylinder 53 is screw-connected with the threaded rod 52 through an internal thread, the bevel gear A 56 is vertically engaged with the bevel gear B 58, a vertical rod 510 is rotatably connected to the top of the fixed plate 59, a bevel gear C 511 is fixedly connected to the top of the vertical rod 510, a closing plate 514 is fixedly connected to the bottom of the vertical rod 510, the bottom of the closing plate 514 is in abutment with the top of the sealing gasket 515 in an initial state, the size of the closing plate 514 is one half of the size of the lifting plate 54, a bevel gear D 513 is fixedly connected to the side end of the rotating rod B 512, the bevel gear C 511 is vertically engaged with the bevel gear D 513, anti-skid blocks are arranged at the ends of the rotating rod A 57 and the rotating rod B 512, which are away from the bevel gear B 58 and the bevel gear D 513, and a reminding mechanism 6 is arranged on the side of the threaded cylinder 53.

[0029] In this embodiment, when it is necessary to re-distribute the gas flow in the flue body 1, so that the rising coal gas and air pressure and the descending waste gas suction force act more on the low-temperature fire channel of the furnace head, the tool is used to rotate the rotating rod B512, the rotating rod B512 drives the bevel gear D513 to rotate, the bevel gear D513 drives the bevel gear C511 to rotate, the bevel gear C511 drives the vertical rod 510 to rotate, the vertical rod 510 drives the closing plate 514 to rotate, the closing plate 514 controls the communication of the two groups of ventilation holes 55, and the size of the gas flow in the flue body 1 is adjusted by controlling the communication of the two groups of ventilation holes 55 of different sizes. When it is necessary to adjust the gas flow in the flue body 1 to the maximum, the tool is used to rotate the rotating rod A57, the rotating rod A57 drives the bevel gear B58 to rotate, the bevel gear B58 drives the bevel gear A56 to rotate, the bevel gear A56 drives the threaded rod 52 to rotate, and the threaded rod 52 rotates to drive the threaded cylinder 53 to move downward through the cooperation between the threads, so that the lifting plate 54 moves downward along the flue body 1, and the top sealing gasket 515 is separated from the closing plate 514. At this time, the gas in the flue body 1 can flow through the two groups of ventilation holes 55 at the same time.

[0030] Embodiment 2

[0031] As Figures 1-6 , on the basis of the same concept as in the above embodiment 1, a second embodiment is also proposed, and the reminding mechanism 6 includes an air pressure bin 61 and a support plate 67. The air pressure bin 61 penetrates and is fixedly connected to the side of the threaded cylinder 53. A piston rod A62 is slidably connected to the inside of one end of the air pressure bin 61. A pressing plate 63 is fixedly connected to the end of the piston rod A62 away from the air pressure bin 61. A compression spring 64 is sleeved on the surface of the piston rod A62. The two ends of the compression spring 64 abut against the top of the air pressure bin 61 and the bottom of the pressing plate 63, respectively. The compression spring 64 is in a compressed state in the initial state. A piston rod B65 is slidably connected to the inside of the other end of the air pressure bin 61. A striker 66 is fixedly connected to the end of the piston rod B65 away from the air pressure bin 61. The support plate 67 is fixedly connected to the side of the threaded cylinder 53. A ringer 68 is fixedly connected to the top of the support plate 67. The top of the pressing plate 63 abuts against the bottom of the closing plate 514 in the initial state. The bottom of the striker 66 abuts against the top of the ringer 68 in the initial state. The material of the striker 66 is high-temperature-resistant rubber material. The ringer 68 is close to the bottom of the threaded cylinder 53.

[0032] In this embodiment, the tool is used to rotate the rotating rod A57, so that the threaded cylinder 53 and the lifting plate 54 move downward, and the air pressure chamber 61 also moves downward, at this time the pressing plate 63 is away from the bottom of the sealing plate 514, the compression spring 64 rebounds to drive the pressing plate 63 and the piston rod A62 to move upward, the upward movement of the piston rod A62 drives the piston rod B65 to move upward through the air pressure in the air pressure chamber 61, the upward movement of the piston rod B65 drives the impact block 66 to move away from the ringer 68, and then the tool is reversed to rotate the rotating rod A57, so that the threaded cylinder 53 and the lifting plate 54 move upward to restore, the air pressure chamber 61 moves upward, when the sealing gasket 515 on the top of the lifting plate 54 is in close contact with the bottom of the sealing plate 514, the sealing gasket 515 is gradually flattened, the pressing plate 63 is extruded by the sealing plate 514 to drive the piston rod A62 to move downward, the compression spring 64 is compressed again, and the downward movement of the piston rod A62 drives the piston rod B65 to move downward through the air pressure in the air pressure chamber 61, the downward movement of the piston rod B65 drives the impact block 66 to move downward and hit the ringer 68, the impact of the impact block 66 on the ringer 68 makes the ringer 68 ring, thereby reminding the operator that the sealing gasket 515 on the top of the lifting plate 54 has completely contacted with the sealing plate 514, preventing the threaded rod 52 from rotating excessively and causing thread slipping.

[0033] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A coke oven flue suction regulating device characterized by, The chimney body (1) is provided with a layer of clay brick (2) on its surface, and a layer of nano-mesoporous insulation felt board (3) is arranged on the surface of the clay brick (2), a rain cap (4) is fixedly connected to the top of the chimney body (1), and a suction force adjusting mechanism (5) is arranged in the chimney body (1); The suction force adjusting mechanism (5) comprises a bracket (51), a threaded cylinder (53), a rotating rod A (57), a fixed plate (59) and a rotating rod B (512), the bracket (51) and the fixed plate (59) are fixedly connected in the chimney body (1), a threaded rod (52) is rotatably connected to the top of the bracket (51), a bevel gear A (56) is fixedly connected to the bottom of the threaded rod (52), a lifting plate (54) is fixedly connected to the top of the threaded cylinder (53), a sealing gasket (515) is arranged on the top of the lifting plate (54), the lifting plate (54) is slidably connected with the inner wall of the chimney body (1), a ventilation hole (55) is formed in the top of the lifting plate (54), the rotating rod A (57) and the rotating rod B (512) are rotatably connected to the side of the chimney body (1), a bevel gear B (58) is fixedly connected to the side end of the rotating rod A (57), a vertical rod (510) is rotatably connected to the top of the fixed plate (59), a bevel gear C (511) is fixedly connected to the top of the vertical rod (510), a closing plate (514) is fixedly connected to the bottom of the vertical rod (510), a bevel gear D (513) is fixedly connected to the side end of the rotating rod B (512), and a reminding mechanism (6) is arranged on the side of the threaded cylinder (53).

2. A flue draft regulating device for coke ovens as claimed in claim 1, wherein, The threaded cylinder (53) is threadedly connected with the threaded rod (52) through the built-in thread, and the bevel gear A (56) is vertically engaged with the bevel gear B (58).

3. A flue draft regulating device for coke ovens as claimed in claim 2, wherein, The ventilation hole (55) is provided in two groups, and the diameters of the two groups of ventilation holes (55) are different.

4. A flue draft regulating device for coke ovens as claimed in claim 3, wherein, The bottom of the closing plate (514) is in abutment with the top of the sealing gasket (515) in the initial state, and the size of the closing plate (514) is half of the size of the lifting plate (54).

5. A flue draft regulating device for coke ovens as claimed in claim 4, wherein, The bevel gear C (511) is vertically engaged with the bevel gear D (513).

6. A flue draft regulating device for coke ovens as claimed in claim 5 wherein, The rotating rod A (57) and the rotating rod B (512) are provided with anti-skid blocks at the ends away from the bevel gear B (58) and the bevel gear D (513).

7. A flue draft regulating device for coke ovens as defined in claim 6, characterized in that The reminding mechanism (6) comprises an air pressure bin (61) and a supporting plate (67), the air pressure bin (61) is through and fixedly connected at the side of the threaded cylinder (53), one end of the air pressure bin (61) is internally and slidably connected with a piston rod A (62), the piston rod A (62) is fixedly connected with a pressing plate (63) at the end away from the air pressure bin (61), the surface of the piston rod A (62) is sleeved with a compression spring (64), the other end of the air pressure bin (61) is internally and slidably connected with a piston rod B (65), the piston rod B (65) is fixedly connected with a striking block (66) at the end away from the air pressure bin (61), the supporting plate (67) is fixedly connected at the side of the threaded cylinder (53), and the top of the supporting plate (67) is fixedly connected with a ringing bell (68).

8. A flue draft regulating device for coke ovens as defined in claim 7, characterized in that The top of the pressing plate (63) is in abutment with the bottom of the closing plate (514) in the initial state, and the bottom of the striking block (66) is in abutment with the top of the ringing bell (68) in the initial state.

9. A flue draft regulating device for a coke oven as defined in claim 8, wherein The two ends of the compression spring (64) are in abutment with the top of the air pressure bin (61) and the bottom of the pressing plate (63) respectively, and the compression spring (64) is in the compressed state in the initial state.

10. A flue draft regulating device for a coke oven as defined in claim 9, wherein The ringing bell (68) is close to the bottom of the threaded cylinder (53).

Citation Information

Patent Citations

  • Coke oven furnace end flame path temperature adjusting device

    CN216106767U