CN219580131U

CN219580131U - Dry desulfurization and dust removal system for flue gas of steel rolling heating furnace

Info

Publication number: CN219580131U
Application number: CN202320797567.0U
Authority: CN
Inventors: 王景超
Original assignee: Tongling Rotary Special Steel Co ltd
Current assignee: Tongling Rotary Special Steel Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-25
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a steel rolling heating furnace flue gas dry desulfurization dust removal system, which relates to the technical field of industrial flue gas treatment and comprises a filter box body, a desulfurization reactor, a denitration reactor and a chimney, wherein a fixing plate is vertically and fixedly arranged in the filter box body, the top end of the fixing plate penetrates through the inner wall of the top end of the filter box body and extends to the top of the filter box body, a straight groove is formed in the bottom end of one side of the fixing plate in a penetrating manner, a sinking groove is formed in the top end of the fixing plate, and a slot is formed in the inner wall of the bottom end of the straight groove. According to the utility model, through the arrangement of the fixed plate, the movable plate is arranged on the fixed plate, and is easy to detach, and the two pressing blocks are pressed to push the connecting rod to drive the limiting block to move towards the direction close to the mounting plate, the mounting plate can be lifted from the interior of the sinking groove when the limiting block moves, so that the two grabbing grooves are exposed, and the movable plate can be directly pulled out from the interior of the straight groove, so that the filter screen is easy and convenient to detach, and is beneficial to cleaning the filter screen or replacing the filter screen by a worker.

Description

Dry desulfurization and dust removal system for flue gas of steel rolling heating furnace

Technical Field

The utility model relates to the technical field of industrial flue gas treatment, in particular to a flue gas dry desulfurization and dust removal system of a steel rolling heating furnace.

Background

In the production work, a great amount of harmful smoke dust and harmful gas, such as sulfur dioxide and various nitrogen-containing compounds, are discharged from industries such as fire coal and the like. In recent years SO2, NOx pollution has even exceeded soot pollution as the first major pollutant of the atmospheric environment. For the long-term development in the future, the national pollution control force is continuously increased, and the environmental protection emission standard is also more and more strict.

The heating furnace is used as key equipment in the steel rolling process, blast furnace gas or mixed gas is generally used as fuel, and harmful substances such as particulate matters, SO2, NOx and the like can be generated in the production process, SO that the environment is polluted, and the national or local latest emission standard can not be met. Therefore, the desulfurization and denitrification equipment is required to remove the pollutants as much as possible, so as to reach the emission standard, but in the existing steel rolling heating furnace flue gas dry desulfurization and dedusting system, a filter screen for filtering particulate matters is directly and fixedly arranged in the equipment, so that the dust removal effect is affected due to inconvenient disassembly and long-time use, and meanwhile, the existing equipment is inconvenient in treating the particulate matters, and is easy to cause messy on site and influence the attractiveness.

Therefore, it is necessary to invent a flue gas dry desulfurization and dust removal system of a steel rolling heating furnace to solve the above problems.

Disclosure of Invention

The utility model aims to provide a steel rolling heating furnace flue gas dry desulfurization dust removal system, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steel rolling heating furnace flue gas dry desulfurization dust pelletizing system, includes filter box, desulfurization reactor, denitration reactor and chimney, the inside vertical fixed plate that is provided with of filter box, and the top inner wall of filter box is run through on the top of fixed plate to extend to the top of filter box, the straight flute has been seted up in one side bottom of fixed plate, the heavy groove has been seted up on the top of fixed plate, the slot has been seted up to the bottom inner wall of straight flute, the inside activity of straight flute is provided with the fly leaf, and the bottom of fly leaf extends to the inside of slot, the bottom inner wall of heavy groove runs through and has seted up logical groove, the top activity of fly leaf runs through the through groove to extend to the heavy inslot portion, the inside activity of heavy groove is provided with the mounting panel, and the both sides bottom of mounting panel all is the slope setting, the bottom of mounting panel and the top fixed connection of fly leaf, one side of fly leaf runs through and has seted up the square flute, the inside fixed chute has all been seted up to the both sides inner wall of side of recess, and the inside activity of stopper is close to one side of setting up the filter screen, the connecting rod is set up according to the connecting rod of the fixed connection of the opposite side of stopper, the opposite side of stopper runs through the side.

Preferably, the filtering box body, the desulfurization reactor, the denitration reactor and the chimney are communicated through pipelines, and an air inlet pipe is fixedly and penetratingly arranged at the top end of one side of the filtering box body.

Preferably, a discharging cylinder is fixedly arranged at one side, close to the air inlet pipe, of the bottom end of the filtering box body in a penetrating mode, and a collecting box body is arranged at the bottom of the discharging cylinder.

Preferably, the bottom end of the discharging cylinder movably penetrates through the top end of the collecting box body and extends into the collecting box body.

Preferably, the connecting rod is movably sleeved with a reset spring, and two ends of the reset spring are fixedly connected with one side of the limiting block away from the mounting plate and one side inner wall of the sliding groove respectively.

Preferably, the inner walls of the through groove, the straight groove and the slot are fixedly provided with movable sealing layers, the movable sealing layers are connected with the movable plate in a fitting mode, the two sides of the mounting plate are fixedly provided with sliding layers, and the sliding layers are connected with the limiting blocks in a fitting mode.

The utility model has the technical effects and advantages that:

1. according to the utility model, through the arrangement of the fixed plate, the movable plate is arranged on the fixed plate, and is easy to detach, and the two pressing blocks are pressed to push the connecting rod to drive the limiting block to move towards the direction close to the mounting plate, the mounting plate is lifted from the interior of the sinking groove when the limiting block moves, so that the two grabbing grooves are exposed, and the movable plate can be directly pulled out from the interior of the straight groove, so that the movable plate is easy and convenient to detach, and is beneficial to cleaning or replacing a filter screen by a worker;

2. the movable sealing layer is arranged, so that the tightness can be improved, and smoke can be prevented from leaking out from gaps of the movable plate, the slot, the straight slot and the through slot, and cannot be filtered; through the setting of ejection of compact section of thick bamboo and collection box, the collection particulate matter that can be timely, during the processing, directly take off the collection box and can directly handle, be favorable to conveniently handling the particulate matter, can not cause on-the-spot mess.

Drawings

FIG. 1 is a schematic diagram of the overall system architecture of the present utility model.

Fig. 2 is a schematic cross-sectional view of the filtering case of the present utility model.

Fig. 3 is a schematic side sectional view of the fixing plate of the present utility model.

Fig. 4 is a schematic view of a mounting plate structure according to the present utility model.

In the figure: 1. a filter box; 2. a desulfurization reactor; 3. a denitration reactor; 4. a chimney; 5. a fixing plate; 6. a straight groove; 7. sinking grooves; 8. a slot; 9. a mounting plate; 10. a movable plate; 11. a square groove; 12. a filter screen; 13. a chute; 14. a limiting block; 15. a connecting rod; 16. pressing the blocks; 17. a return spring; 18. a slip layer; 19. a movable sealing layer; 20. a discharging cylinder; 21. a collection box; 22. a through groove; 23. an air inlet pipe; 24. and grabbing grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a steel rolling heating furnace flue gas dry desulfurization dust removal system as shown in figures 1-4, which comprises a filtering box body 1, a desulfurization reactor 2, a denitration reactor 3 and a chimney 4, wherein a fixed plate 5 is vertically and fixedly arranged in the filtering box body 1, the top end of the fixed plate 5 penetrates through the inner wall of the top end of the filtering box body 1 and extends to the top of the filtering box body 1, a straight groove 6 is penetrated and arranged at the bottom end of one side of the fixed plate 5, a sink groove 7 is arranged at the top end of the fixed plate 5, a slot 8 is arranged at the inner wall of the bottom end of the straight groove 6, a movable plate 10 is movably arranged in the straight groove 6, the bottom end of the movable plate 10 extends to the interior of the slot 8, a through groove 22 is penetrated and arranged at the inner wall of the bottom end of the sink groove 7, a mounting plate 9 is movably arranged in the interior of the sink groove 7, the bottom ends of the two sides of the mounting plate 9 are all obliquely arranged, the bottom end of the mounting plate 9 is fixedly connected with the top end of the movable plate 10, one side of the movable plate 10 is penetrated and provided with a square groove 11, the inside of the square groove 11 is fixedly provided with a filter screen 12, the inner walls of the two sides of the sinking groove 7 are all provided with a chute 13, the inside of the chute 13 is movably provided with a limiting block 14, one side of the limiting block 14 close to the mounting plate 9 is obliquely arranged, the middle part of the inner wall of one side of the chute 13 is movably penetrated and provided with a connecting rod 15, one end of the connecting rod 15 is fixedly connected with the other side of the limiting block 14, the other end of the connecting rod 15 is fixedly provided with a pressing block 16, the two sides of the mounting plate 9 are provided with grabbing grooves 24, the movable plate 10 is arranged on the fixed plate 5 through the arrangement of the fixed plate 5, and the movable plate 10 is arranged in a detachable manner, through pressing two pressing blocks 16, promote connecting rod 15 and drive stopper 14 to be close to the direction removal of mounting panel 9, can lift up mounting panel 9 from sinking tank 7 inside when stopper 14 removes, make two grab grooves 24 expose to directly can follow inside take movable plate 10 of straight flute 6, dismantle simple and conveniently, be favorable to making things convenient for the staff to clear up filter screen 12 or change filter screen 12.

Further, through the pipeline intercommunication between filter box 1, desulfurization reactor 2, denitration reactor 3 and the chimney 4, the fixed intake pipe 23 that runs through in one side top of filter box 1, the fixed ejection of compact section of thick bamboo 20 that runs through in one side that is close to intake pipe 23 in bottom of filter box 1, the bottom of ejection of compact section of thick bamboo 20 is provided with collecting box body 21, the bottom activity of ejection of compact section of thick bamboo 20 runs through collecting box body 21's top to extend to collecting box body 21 inside, through the setting of ejection of compact section of thick bamboo 20 and collecting box body 21, the collection particulate matter that can be timely, during the processing, directly take off collecting box body 21 can the direct processing, be favorable to conveniently handling the particulate matter, can not cause on-the-spot mess.

Secondly, the connecting rod 15 is movably sleeved with a reset spring 17, two ends of the reset spring 17 are respectively fixedly connected with one side of the limiting block 14 away from the mounting plate 9 and one side inner wall of the sliding groove 13, movable sealing layers 19 are fixedly arranged on the inner walls of the through grooves 22, the straight grooves 6 and the slots 8, the movable sealing layers 19 are in fit connection with the movable plate 10, the tightness can be improved through the arrangement of the movable sealing layers 19, smoke leakage from gaps of the movable plate 10 and the slots 8, the straight grooves 6 and the through grooves 22 can be prevented, filtration is prevented, a sliding layer 18 is fixedly arranged on two sides of the mounting plate 9, the sliding layer 18 is in fit connection with the limiting block 14, the sliding layer 18 is made of polytetrafluoroethylene, and the polytetrafluoroethylene has an extremely small friction coefficient, so that friction force is reduced, and abrasion between the limiting block 14 and the mounting plate 9 is reduced.

The desulfurization reactor 2 and the denitration reactor 3 mentioned above are both prior art in terms of the structure of the prior art and the connection manner therebetween, and are not further described in the present utility model.

The working principle of the utility model is as follows:

during the use, the flue gas gets into the rose box body 1 inside through intake pipe 23, carry out particulate matter filtration through filter screen 12, the flue gas after filtering is through pipeline processing back through desulfurization reactor 2 and denitration reactor 3 in proper order, flow from chimney 4, the particulate matter part that filters out drops to the inside lower extreme of rose box body 1 because of gravity, get into the inside collection of collection box body 21 through ejection of compact section of thick bamboo 20 at last, after using a period, filter screen 12 filter effect variation, need clear up or change, through pressing two pressing blocks 16, promote connecting rod 15 and drive stopper 14 and remove to the direction that is close to mounting panel 9, can lift up mounting panel 9 from the heavy inslot 7 when stopper 14 removes, make two catching grooves 24 expose, thereby directly can follow straight slot 6 inside and take out fly leaf 10, dismantle simple and conveniently, be favorable to making things convenient for the staff to clear up filter screen 12 or change filter screen 12.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A steel rolling heating furnace flue gas dry desulfurization dust pelletizing system, its characterized in that: including filtration box (1), desulfurization reactor (2), denitration reactor (3) and chimney (4), the inside vertical fixed plate (5) that is provided with of filtration box (1), and the top inner wall of filtration box (1) is run through on the top of fixed plate (5) to extend to the top of filtration box (1), straight flute (6) have been seted up to one side bottom of fixed plate (5) is run through, heavy groove (7) have been seted up on the top of fixed plate (5), slot (8) have been seted up to the bottom inner wall of straight flute (6), the inside activity of straight flute (6) is provided with fly leaf (10), and the bottom of fly leaf (10) extends to the inside of slot (8), through groove (22) have been run through to the bottom inner wall of heavy groove (7), the inside activity of top of fly leaf (10) is run through groove (22) to extend to the inside of heavy groove (7), the inside activity of heavy groove (7) is provided with mounting panel (9), and the both sides of heavy groove (5) are all being provided with heavy groove (9), the bottom of dead leaf (10) is provided with side (11) and the inside side of fly leaf (11), the utility model discloses a heavy groove, including heavy groove (7), spout (13) have all been seted up to the both sides inner wall of heavy groove (7), the inside activity of spout (13) is provided with stopper (14), and one side that stopper (14) are close to mounting panel (9) is the slope setting, one side inner wall middle part activity of spout (13) runs through and is provided with connecting rod (15), and the one end of connecting rod (15) and the opposite side fixed connection of stopper (14), the other end of connecting rod (15) is fixed to be provided with presses briquetting (16), grab groove (24) have all been seted up to the both sides of mounting panel (9).

2. The flue gas dry desulfurization and dust removal system of a steel rolling heating furnace according to claim 1, wherein: the flue gas desulfurization device is characterized in that the filtering box body (1), the desulfurization reactor (2), the denitration reactor (3) and the chimney (4) are communicated through pipelines, and an air inlet pipe (23) is fixedly and penetratingly arranged at the top end of one side of the filtering box body (1).

3. The flue gas dry desulfurization and dust removal system of a steel rolling heating furnace according to claim 2, wherein: one side of the bottom end of the filtering box body (1) close to the air inlet pipe (23) is fixedly provided with a discharging cylinder (20) in a penetrating mode, and the bottom of the discharging cylinder (20) is provided with a collecting box body (21).

4. A steel rolling heating furnace flue gas dry desulfurization dust removal system according to claim 3, wherein: the bottom end of the discharging cylinder (20) movably penetrates through the top end of the collecting box body (21) and extends into the collecting box body (21).

5. The flue gas dry desulfurization and dust removal system of the steel rolling heating furnace according to claim 4, wherein: the connecting rod (15) is movably sleeved with a reset spring (17), and two ends of the reset spring (17) are fixedly connected with one side of the limiting block (14) away from the mounting plate (9) and one side inner wall of the sliding groove (13) respectively.

6. The flue gas dry desulfurization and dust removal system of the steel rolling heating furnace according to claim 5, wherein: the inner walls of the through groove (22), the straight groove (6) and the slot (8) are fixedly provided with a movable sealing layer (19), the movable sealing layer (19) is connected with the movable plate (10) in a fitting mode, two sides of the mounting plate (9) are fixedly provided with a sliding increasing layer (18), and the sliding increasing layer (18) is connected with the limiting block (14) in a fitting mode.