CN217154211U

CN217154211U - Smoke exhaust structure for hot-blast stove

Info

Publication number: CN217154211U
Application number: CN202220106017.5U
Authority: CN
Inventors: 孙福芹
Original assignee: Changchun Haobrother Environmental Protection Technology Co ltd
Current assignee: Changchun Haobrother Environmental Protection Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-09
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a smoke exhaust structure for hot-blast stove relates to exhaust-gas treatment technical field, including the pipe of discharging fume, the spacing groove has been seted up at the top of the inside pipe wall of discharging fume, and the inside sliding connection of spacing groove has spacing limit, and a plurality of tooth group are installed to the outer wall on spacing limit, and the bottom fixedly connected with cleaning plate on spacing limit, the top fixedly connected with filter of the pipe of discharging fume, a plurality of dead slots have been seted up to the inside of filter, are connected between a plurality of dead slots. The utility model has the advantages that: this smoke exhaust structure for hot-blast furnace, through the filter that tub one end set up of discharging fume, utilize the rotation of its inside a plurality of spherical filter screens, when one of them filter screen carries out filterable to the flue gas, the ventilation hole in the middle of the surplus filter screen keeps unanimous with the direction of filtration mouth, avoids the filter screen after using to flue gas secondary pollution, and in the same way, rotates it in proper order, can change the filter screen automatically, ensures the filterable efficiency of flue gas.

Description

Smoke exhaust structure for hot-blast stove

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a smoke exhaust structure for hot-blast stove.

Background

The hot blast stove is a device for providing hot air for a blast furnace to support combustion as the name implies, the working principle is that checker bricks in the hot blast stove are heated by burning coal gas briefly, and cold air from a main fan is heated into high-temperature hot air through the high-temperature checker bricks and is provided for the blast furnace.

The pipe of discharging fume is one of the essential part of hot-blast furnace, and current pipe of discharging fume is lower to the treatment effeciency of flue gas, and during the dust granule in the flue gas directly discharges the air, leads to the pollution of environment easily, is unfavorable for ecological environment's maintenance.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a smoke exhaust structure for hot-blast stove has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a smoke exhaust structure for hot-blast stove, includes the pipe of discharging fume, the spacing groove has been seted up at the top of the inside pipe inner wall of discharging fume, the inside sliding connection of spacing groove has spacing limit, a plurality of tooth group are installed to the outer wall on spacing limit, the clean board of bottom fixedly connected with on spacing limit, the top fixedly connected with filter of the pipe of discharging fume, a plurality of dead slots have been seted up to the inside of filter, and are a plurality of be connected between the dead slot, it is a plurality of the inside of dead slot is all rotated and is connected with the filter screen, the cavity has been seted up to the inner wall of filter and the one side that is located a plurality of dead slots, the inside of cavity is rotated and is connected with a plurality of first gears, and is a plurality of first gear respectively with a plurality of filter screen fixed connection.

Preferably, the inner wall of the smoke exhaust pipe and one side of the cavity are provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with a touch spring.

Preferably, first teeth are installed at two corresponding ends of the trigger bar, and the two first teeth are meshed with the first gears.

Preferably, dead slot and a plurality of filter screen are spherical, and the ventilation hole has all been seted up to the inside of a plurality of filter screens.

Preferably, a groove is formed in one side, located at the limiting groove, of the inner wall of the smoke exhaust pipe, a second gear is rotatably connected to the inside of the groove, and the second gear is meshed with the plurality of tooth groups respectively.

Preferably, the inside of spout rotates and is connected with the lead screw, the lead screw runs through the slider and with slider threaded connection.

Preferably, the inner walls of the filter and the smoke exhaust pipe are respectively provided with a first motor and a second motor, and the output ends of the first motor and the second motor are respectively fixedly connected with the screw rod and the second gear.

Preferably, a plurality of springs are arranged on one side of each first gear.

The utility model provides a smoke exhaust structure for hot-blast stove possesses following beneficial effect:

1. this smoke exhaust structure for hot-blast furnace, through the filter that tub one end set up of discharging fume, utilize the rotation of its inside a plurality of spherical filter screens, when one of them filter screen carries out filterable to the flue gas, the ventilation hole in the middle of the surplus filter screen keeps unanimous with the direction of filtration mouth, avoids the filter screen after using to flue gas secondary pollution, and in the same way, rotates it in proper order, can change the filter screen automatically, ensures the filterable efficiency of flue gas.

2. This hot-blast furnace is with smoke exhaust structure, through the annular moving mechanism that sets up in the discharge fume pipe, under the effect of the tooth meshing of discharge fume pipe inner wall gear and moving mechanism outer wall, make moving mechanism drive the scraper blade along with the rotation of gear and clean the inner wall of discharge fume pipe, avoid the dust particle deposit in the flue gas at the pipeline inner wall, cause the secondary pollution of flue gas.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a smoke exhaust pipe; 2. a limiting groove; 3. a limiting edge; 4. cleaning the plate; 5. a filter; 6. an empty groove; 7. a filter screen; 8. a cavity; 9. a first gear; 10. a chute; 11. a slider; 12. touching the clockwork spring; 13. a first tooth; 14. a set of teeth; 15. a groove; 16. a second gear; 17. a screw rod; 18. a first motor; 19. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a smoke exhaust structure for a hot blast stove comprises a smoke exhaust pipe 1, wherein the top of the inner wall of the smoke exhaust pipe 1 is provided with a limiting groove 2, the inside of the limiting groove 2 is connected with a limiting edge 3 in a sliding manner, the outer wall of the limiting edge 3 is provided with a plurality of tooth groups 14, the bottom of the limiting edge 3 is fixedly connected with a cleaning plate 4, the inner wall of the smoke exhaust pipe 1 is cleaned, dust particles in smoke are deposited on the inner wall of a pipeline to cause secondary pollution of the smoke, the inner wall of the smoke exhaust pipe 1 is provided with a groove 15 at one side of the limiting groove 2, the inside of the groove 15 is rotatably connected with a second gear 16, the second gear 16 is respectively meshed with the tooth groups 14, the second gear 16 is rotated and simultaneously triggers the rotation of the limiting edge 3 to drive the cleaning plate 4 to displace, the top of the smoke exhaust pipe 1 is fixedly connected with a filter 5, the inside of the filter 5 is provided with a plurality of empty grooves 6, and the empty grooves 6 are connected, the inner parts of the empty grooves 6 are rotatably connected with filter screens 7, the empty grooves 6 and the filter screens 7 are both spherical, ventilation holes are formed in the filter screens 7, smoke is filtered through the sequential rotation of the filter screens 7, the hollow parts in the middle of the residual filter screens 7 are consistent with the direction of a filter opening, secondary pollution of the used filter screens 7 to the smoke is avoided, a cavity 8 is formed in the inner wall of the filter 5 and positioned on one side of the empty grooves 6, a plurality of first gears 9 are rotatably connected in the cavity 8, springs are arranged on one sides of the first gears 9 to provide power for the reset of the first gears 9 and the filter screens 7, the first gears 9 are fixedly connected with the filter screens 7 respectively, a sliding groove 10 is formed in one side of the inner wall of the smoke exhaust pipe 1 and positioned in the cavity 8, and a sliding block 11 is connected in the sliding groove 10, one side fixedly connected with of slider 11 touches clockwork spring 12, trigger the corresponding both ends of strip 12 and all install first tooth 13, and two first tooth 13 all with a plurality of first gear 9 meshing, through the displacement of first tooth 13, impel the rotation of first gear 9 and filter screen 7, replace the automatic filter screen 7 of changing of manpower, guarantee the filterable efficiency of flue gas, the inside of spout 10 is rotated and is connected with lead screw 17, lead screw 17 runs through slider 11 and with slider 11 threaded connection, threaded connection through lead screw 17 and slider 11, make lead screw 17 pivoted drive the removal of slider 11 simultaneously, first motor 18 and second motor 19 are installed respectively to the inner wall of filter 5 and exhaust pipe 1, the output of first motor 18 and second motor 19 respectively with lead screw 17 and second gear 16 fixed connection, provide power for the rotation of lead screw 17 and second gear 16.

In summary, when the smoke exhaust structure for the hot blast stove is used, when smoke in the smoke exhaust pipe 1 is guided into the filter 5, because the plurality of empty slots 6 are formed in the filter 5, the plurality of empty slots 6 are connected with each other, the filter screen 7 is rotatably connected in each empty slot 6, the plurality of first gears 9 in the filter 5 are respectively fixedly connected with the plurality of filter screens 7, the plurality of filter screens 7 can rotate along with the rotation of the first gears 9 at will, the screw rod 17 in the filter 5 is connected with the slide block 11 through the threads, so that the screw rod 17 drives the slide block 11 and one side of the slide block 11 to contact the displacement of the spiral spring 12 when rotating, the first teeth 13 at one end of the trigger bar 12 trigger the rotation of the first gears 9 and the filter screen 7 in the moving process, when the ventilation holes in the filter screen 7 are vertical to the air circulation direction in the filter 5, the smoke can be filtered by the filter screens 7, at the moment, the air passing holes in the rest filter screens 7 are in the same direction with the circulation of air, smoke directly passes through the filter screens, after a period of time, the trigger bars 12 continuously move, when the first teeth 13 at one end of the trigger bars 12 leave the meshing with one of the corresponding first gears 9, the first teeth 13 at the other end of the trigger bars 12 contact with the other first gear 9 to trigger the first gears 9 and the other filter screens 7 to rotate, because the clockwork spring is arranged at one side of the first gear 9, the former filter screens 7 can reversely rotate and reset to keep the internal ventilation holes consistent with the circulation direction of the smoke, while the other filter screens 7 rotate to ensure that the internal ventilation holes are vertical to the circulation direction of the smoke, so that the smoke directly passes through the ventilation holes in the former filter screens 7, the smoke is filtered by the other filter screens 7, and so on, and meanwhile, the second motor 19 on the inner wall of the smoke exhaust pipe 1 can be started according to requirements, the second gear 16 is meshed with the tooth group 14 on the outer side of the limiting edge 3, so that the limiting edge 3 drives the cleaning plate 4 at the bottom to rotate when rotating, and the inner wall of the smoke exhaust pipe 1 is cleaned.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hot-blast furnace is with structure of discharging fume, includes smoke exhaust pipe (1), its characterized in that: the top of the inner wall of the smoke exhaust pipe (1) is provided with a limiting groove (2), the inside of the limiting groove (2) is connected with a limiting edge (3) in a sliding way, a plurality of tooth groups (14) are arranged on the outer wall of the limiting edge (3), a cleaning plate (4) is fixedly connected with the bottom of the limiting edge (3), the top of the smoke exhaust pipe (1) is fixedly connected with a filter (5), a plurality of empty slots (6) are formed in the filter (5), the empty slots (6) are connected with one another, a filter screen (7) is rotatably connected in each empty slot (6), a cavity (8) is arranged on the inner wall of the filter (5) and on one side of the empty grooves (6), the inside rotation of cavity (8) is connected with a plurality of first gears (9), and is a plurality of first gear (9) respectively with a plurality of filter screen (7) fixed connection.

2. The smoke evacuation structure for a hot-blast stove according to claim 1, characterized in that: spout (10) have been seted up to the inner wall of tub (1) of discharging fume and the one side that is located cavity (8), the inside sliding connection of spout (10) has slider (11), one side fixedly connected with of slider (11) touches clockwork spring (12).

3. The smoke evacuation structure for a hot-blast stove according to claim 2, characterized in that: touch spring (12) corresponding both ends and all install first tooth (13), and two first tooth (13) all with a plurality of first gear (9) meshing.

4. The smoke evacuation structure for a hot-blast stove according to claim 1, characterized in that: a plurality of dead slot (6) and a plurality of filter screen (7) are spherical, and the ventilation hole has all been seted up to the inside of a plurality of filter screen (7).

5. The smoke evacuation structure for a hot-blast stove according to claim 1, characterized in that: a groove (15) is formed in one side, located on the limiting groove (2), of the inner wall of the smoke exhaust pipe (1), a second gear (16) is rotatably connected to the inside of the groove (15), and the second gear (16) is meshed with the plurality of tooth groups (14) respectively.

6. The smoke evacuation structure for a hot-blast stove according to claim 2, characterized in that: the inside of spout (10) rotates and is connected with lead screw (17), lead screw (17) run through slider (11) and with slider (11) threaded connection.

7. The smoke evacuation structure for a hot-blast stove according to claim 6, characterized in that: the inner walls of the filter (5) and the smoke exhaust pipe (1) are respectively provided with a first motor (18) and a second motor (19), and the output ends of the first motor (18) and the second motor (19) are respectively fixedly connected with a screw rod (17) and a second gear (16).

8. The smoke evacuation structure for a hot-blast stove according to claim 6, characterized in that: one side of each of the first gears (9) is provided with a clockwork spring.