CN218561348U

CN218561348U - Large coke oven waste gas exchange shutter

Info

Publication number: CN218561348U
Application number: CN202221424298.5U
Authority: CN
Inventors: 田飞; 凌兴鸿
Original assignee: Jiangsu Sutie Metallurgical Machinery Manufacturing Co ltd
Current assignee: Jiangsu Sutie Metallurgical Machinery Manufacturing Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2023-03-03
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a large-scale coke oven waste gas exchange shutter, this large-scale coke oven waste gas exchange shutter aims at solving under the prior art equipment and can not carry out the automatic control switching and handle, and control is accurate inadequately, uses comparatively inconvenient technical problem. The exhaust gas exchange shutter includes an exchange box; the outside fixed mounting of commuting case has little flue connecting pipe, the outside fixed mounting of commuting case has the mixed connecting pipe of waste gas, the inboard fixed mounting of the mixed connecting pipe of waste gas has fixed frame, the air channel has been seted up to the inboard of fixed frame, two sets of have been seted up to the air channel. This large-scale coke oven waste gas exchange shutter only needs to carry out switching control to the air channel through setting up of control assembly, controls the flow of waste gas hybrid connection pipe and handles, controls the flow of flue pipe department through setting up of adjusting part and drive assembly to the accurate automatic switching control to waste gas exchange shutter has been realized.

Description

Large coke oven waste gas exchange shutter

Technical Field

The utility model belongs to the technical field of exhaust gas exchange shutter, concretely relates to large-scale coke oven exhaust gas exchange shutter.

Background

The waste gas exchange shutter is coke oven accessory equipment which plays a role of switching air flow between a small flue and a branch flue of a coke oven, and the waste gas shutter is an important device for controlling the air quantity for heating the coke oven, introducing lean gas and controlling the discharged waste gas quantity, in particular to a large coke oven waste gas exchange shutter.

At present, a utility model patent with a patent number of CN201520576969.3 discloses a coke oven waste gas exchange shutter, belonging to the technical field of comprehensive utilization of coke oven flue waste gas. The outlet of the upper part of the shell of the device is connected with an exhaust gas circulating mixed gas connecting pipe, and a circulating mixed gas valve is arranged at the outlet of the exhaust gas circulating mixed gas connecting pipe; an outlet in the middle of the shell is connected with a small flue connecting pipe of the regenerator through a small flue connecting pipe; the lower outlet of the shell is connected with the branch flue connecting pipe through a flue bent pipe and is controlled to be opened and closed through a waste gas valve, and the device adopts circulating mixed gas to replace air to enter the coke oven to participate in combustion and heating, so that forced circulation of external waste gas is realized. The device has reasonable structure, realizes effective treatment and comprehensive utilization of the waste gas of the coke oven flue, and has wide practical prospect. The waste gas exchange shutter is controlled through the one-way valve, but the waste gas exchange shutter cannot automatically control opening and closing of equipment in the using process, is not accurate enough to control, and is inconvenient to use.

Therefore, in order to solve the problem that the conventional large coke oven waste gas exchange shutter cannot fully automatically open and close the equipment when in use, the practicability of the device needs to be improved.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a large coke oven waste gas exchange shutter, which aims at solving the technical problems that the prior art cannot automatically control the opening and closing of equipment, the control is not accurate enough and the use is inconvenient.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a large coke oven waste gas exchange shutter, which comprises an exchange box; the utility model discloses a flue pipe, including the exchanging box, the inboard fixed mounting of exchanging box has little flue connecting pipe, the outside fixed mounting of exchanging box has the waste gas mixing connecting pipe, the inboard fixed mounting of waste gas mixing connecting pipe has fixed frame, the air channel has been seted up to the inboard of fixed frame, two sets of have been seted up to the air channel, the inboard of air channel is provided with the control assembly, the bottom fixed mounting of exchanging box has the flue pipe, the inboard fixed mounting of flue pipe has adjusting part, the outside of flue pipe is provided with drive assembly.

When the large coke oven waste gas exchange shutter adopting the technical scheme is used, the vent groove is controlled to be opened and closed through the control assembly, the flow of the waste gas mixing connecting pipe is controlled and processed, and the flow of the flue pipe is controlled and processed through the adjusting assembly and the driving assembly, so that the accurate automatic opening and closing control of the waste gas exchange shutter is realized.

Preferably, the inside of control assembly is including the baffle, the baffle set up in the inboard of fixed frame, the baffle with fixed frame sliding connection, the thread groove has been seted up to the inboard of baffle, removes spacing processing through the sliding connection of baffle and fixed frame to the baffle.

Furthermore, the inside of control assembly is including first motor, first motor set up in the upper end of exhaust gas mixing connection pipe, the output shaft fixed mounting of first motor has first threaded rod, first threaded rod with the thread groove lead screw is connected, starts first motor and drives first threaded rod and rotate, is connected with the lead screw of thread groove through first threaded rod and drives the baffle and reciprocate.

Preferably, the inside of adjusting part is including solid fixed ring, gu fixed ring fixed mounting be in the inboard of flue pipe, gu fixed ring's inboard is provided with the movable tube, the movable tube with gu fixed ring sliding connection, the upper end fixed mounting of movable tube has the closing plate, the air outlet groove has been seted up in the outside of movable tube, controls the flow through the air outlet groove in the movable tube outside, controls the flow of flue pipe department and handles.

Preferably, the inside of drive assembly is including the second motor, the second motor set up in the outside of flue pipe, the output shaft fixed mounting of second motor has first gear, starts the second motor and drives first gear revolve, carries out drive processing to first gear.

Further, drive assembly's inside is including the second threaded rod, the second threaded rod set up in gu fixed ring's inboard, the upper end fixed mounting of second threaded rod has the second gear, the second gear with first gear engagement is connected, the bottom of movable tube is provided with a screw section of thick bamboo, a screw section of thick bamboo with the second threaded rod lead screw is connected, is connected through the meshing of first gear and second gear and drives the second threaded rod and rotate, is connected with the lead screw of a screw section of thick bamboo through the second threaded rod and drives the movable tube rebound.

Furthermore, drive assembly's inside is including a gag lever post, gag lever post fixed mounting be in gu fixed ring's bottom, the bottom outside of movable tube is provided with spacing section of thick bamboo, the gag lever post with spacing section of thick bamboo sliding connection removes spacing processing through the sliding connection of gag lever post and spacing section of thick bamboo to the movable tube.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a large-scale coke oven waste gas exchange shutter utilizes and starts first motor and drive first threaded rod rotation, it reciprocates to be connected the drive baffle through the lead screw of first threaded rod and thread groove, sliding connection through baffle and fixed frame removes spacing processing to the baffle, the baffle carries out switching control to the air channel, control the processing to the flow of waste gas mixing connecting pipe, it drives first gear revolve to start the second motor, it rotates to be connected the drive second threaded rod through the meshing of first gear and second gear, it moves the expansion pipe rebound to be connected with the lead screw of a thread section of thick bamboo through the second threaded rod, sliding connection through gag lever post and spacing section of thick bamboo removes spacing processing to the expansion pipe, control the flow through the air outlet groove in the expansion pipe outside, control the processing to the flow of flue pipe department, thereby the accurate automatic switching control to the waste gas exchange shutter has been realized.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of an expanded structure of the embodiment of the present invention;

fig. 3 is a schematic structural view of a partial section according to an embodiment of the present invention.

The labels in the figures are: 1. an exchange box; 2. a small flue connecting pipe; 3. an exhaust gas mixing connection pipe; 4. a fixing frame; 5. a vent groove; 6. a control component; 7. a flue pipe; 8. an adjustment assembly; 9. a drive assembly; 10. A baffle plate; 11. a thread groove; 12. a first motor; 13. a first threaded rod; 14. a fixing ring; 15. a movable tube; 16. a sealing plate; 17. an air outlet groove; 18. a second motor; 19. a first gear; 20. a second threaded rod; 21. a second gear; 22. a threaded barrel; 23. a limiting rod; 24. a limiting cylinder.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Examples

The embodiment is used for a large coke oven waste gas exchange shutter, the three-dimensional structure of which is schematically shown in figure 1, the unfolding structure of which is schematically shown in figure 2, and the waste gas exchange shutter comprises an exchange box 1; little flue connecting pipe 2 is fixed to the outside of commuting case 1, the outside fixed mounting of commuting case 1 has exhaust gas mixing connecting pipe 3, the inboard fixed mounting of exhaust gas mixing connecting pipe 3 has fixed frame 4, air channel 5 has been seted up to the inboard of fixed frame 4, air channel 5 has been seted up two sets ofly, the inboard of air channel 5 is provided with control assembly 6, the bottom fixed mounting of commuting case 1 has flue pipe 7, the inboard fixed mounting of flue pipe 7 has adjusting part 8, the outside of flue pipe 7 is provided with drive assembly 9.

Wherein, the inside of control assembly 6 is including baffle 10, baffle 10 sets up in the inboard of fixed frame 4, baffle 10 and fixed frame 4 sliding connection, thread groove 11 has been seted up to the inboard of baffle 10, remove spacing processing to baffle 10 through the sliding connection of baffle 10 with fixed frame 4, the inside of control assembly 6 is including first motor 12, first motor 12 sets up in the upper end of exhaust gas mixing connecting pipe 3, the output shaft fixed mounting of first motor 12 has first threaded rod 13, first threaded rod 13 is connected with 11 lead screws of thread groove, it drives first threaded rod 13 and rotates to start first motor 12, it reciprocates to drive baffle 10 to be connected through first threaded rod 13 and the lead screw of thread groove 11.

The specific embodiment is a shutter for exchanging waste gas of a large coke oven, a schematic partial sectional structure diagram of which is shown in fig. 3, the inside of an adjusting assembly 8 comprises a fixing ring 14, the fixing ring 14 is fixedly installed on the inner side of a flue pipe 7, a movable pipe 15 is arranged on the inner side of the fixing ring 14, the movable pipe 15 is in sliding connection with the fixing ring 14, a sealing plate 16 is fixedly installed at the upper end of the movable pipe 15, an air outlet groove 17 is formed in the outer side of the movable pipe 15, the flow is controlled through the air outlet groove 17 in the outer side of the movable pipe 15, the flow at the flue pipe 7 is controlled and processed, the inside of a driving assembly 9 comprises a second motor 18, the second motor 18 is arranged on the outer side of the flue pipe 7, a first gear 19 is fixedly installed on an output shaft of the second motor 18, and the second motor 18 is started to drive the first gear 19 to rotate so as to drive the first gear 19.

Meanwhile, the inside of the driving assembly 9 includes a second threaded rod 20, the second threaded rod 20 is arranged on the inner side of the fixing ring 14, a second gear 21 is fixedly mounted at the upper end of the second threaded rod 20, the second gear 21 is meshed with the first gear 19, a threaded cylinder 22 is arranged at the bottom end of the movable tube 15, the threaded cylinder 22 is connected with a second threaded rod 20 through a screw rod, the second threaded rod 20 is driven to rotate through the meshed connection of the first gear 19 and the second gear 21, the movable tube 15 is driven to move upwards through the connection of the second threaded rod 20 and the threaded cylinder 22, the driving assembly 9 includes a limiting rod 23, the limiting rod 23 is fixedly mounted at the bottom end of the fixing ring 14, a limiting cylinder 24 is arranged on the outer side of the bottom end of the movable tube 15, the limiting rod 23 is connected with the limiting cylinder 24 in a sliding manner, and the movable tube 15 is subjected to movement limiting processing through the sliding connection of the limiting rod 23 and the limiting cylinder 24.

When the large coke oven waste gas exchange shutter of the technical scheme is used, the first motor 12 is started to drive the first threaded rod 13 to rotate, the first threaded rod 13 is connected with the lead screw of the threaded groove 11 to drive the baffle 10 to move up and down, the baffle 10 is moved to limit through the sliding connection between the baffle 10 and the fixed frame 4, the baffle 10 controls the opening and closing of the vent groove 5, the flow of the waste gas mixing connecting pipe 3 is controlled, the second motor 18 is started to drive the first gear 19 to rotate, the second threaded rod 20 is driven to rotate through the meshing connection between the first gear 19 and the second gear 21, the movable pipe 15 is driven to move upwards through the connection between the second threaded rod 20 and the threaded cylinder 22, the movable pipe 15 is moved to limit through the sliding connection between the limiting rod 23 and the limiting cylinder 24, the flow is controlled through the gas outlet groove 17 on the outer side of the movable pipe 15, the flow at the flue pipe 7 is controlled, and the accurate automatic opening and closing control of the waste gas exchange shutter is realized.

Having thus described the principal technical features and basic principles of the invention, and the advantages thereof, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.

Claims

1. Large coke oven exhaust gas exchange shutter comprising an exchange box (1); its characterized in that, the outside fixed mounting of commuting case (1) has little flue connecting pipe (2), the outside fixed mounting of commuting case (1) has waste gas mixing connecting pipe (3), the inboard fixed mounting of waste gas mixing connecting pipe (3) has fixed frame (4), air channel (5) have been seted up to the inboard of fixed frame (4), two sets of have been seted up in air channel (5), the inboard of air channel (5) is provided with control assembly (6), the bottom fixed mounting of commuting case (1) has flue pipe (7), the inboard fixed mounting of flue pipe (7) has adjusting part (8), the outside of flue pipe (7) is provided with drive assembly (9).

2. The large coke oven flue gas exchange shutter according to claim 1, wherein the control unit (6) comprises a baffle (10) inside, the baffle (10) is arranged inside the fixed frame (4), the baffle (10) is slidably connected with the fixed frame (4), and a threaded groove (11) is formed inside the baffle (10).

3. The large coke oven exhaust gas exchange shutter according to claim 2, characterized in that the control assembly (6) comprises a first motor (12) inside, the first motor (12) is arranged at the upper end of the exhaust gas mixing connecting pipe (3), a first threaded rod (13) is fixedly arranged on the output shaft of the first motor (12), and the first threaded rod (13) is in screw connection with the threaded groove (11).

4. The large coke oven exhaust gas exchange shutter according to claim 1, wherein the inside of the adjusting assembly (8) comprises a fixed ring (14), the fixed ring (14) is fixedly installed inside the flue pipe (7), a movable pipe (15) is arranged inside the fixed ring (14), the movable pipe (15) is slidably connected with the fixed ring (14), a sealing plate (16) is fixedly installed at the upper end of the movable pipe (15), and an air outlet groove (17) is formed in the outer side of the movable pipe (15).

5. Large coke oven exhaust gas exchange shutter according to claim 4, characterized in that the drive assembly (9) comprises a second motor (18) inside, the second motor (18) being arranged outside the flue pipe (7), the output shaft of the second motor (18) being fixedly mounted with a first gear (19).

6. The large coke oven exhaust gas exchange shutter according to claim 5, characterized in that the drive assembly (9) comprises a second threaded rod (20) inside, the second threaded rod (20) is arranged inside the fixed ring (14), a second gear (21) is fixedly mounted at the upper end of the second threaded rod (20), the second gear (21) is meshed with the first gear (19), a threaded cylinder (22) is arranged at the bottom end of the movable tube (15), and the threaded cylinder (22) is in screw connection with the second threaded rod (20).

7. The large coke oven exhaust gas exchange shutter according to claim 6, characterized in that the drive assembly (9) comprises a limiting rod (23), the limiting rod (23) is fixedly mounted at the bottom end of the fixing ring (14), a limiting cylinder (24) is arranged outside the bottom end of the movable tube (15), and the limiting rod (23) is connected with the limiting cylinder (24) in a sliding manner.