CN218842234U

CN218842234U - Flue gas dust removal system for converter

Info

Publication number: CN218842234U
Application number: CN202320022819.2U
Authority: CN
Inventors: 周春林; 曾磊; 李耀祖
Original assignee: Anhui Shengbo Metallurgical Environmental Protection Technology Co ltd
Current assignee: Anhui Shengbo Metallurgical Environmental Protection Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-11
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a flue gas dust removal system for a converter, in particular to the technical field of flue gas dust removal, which comprises an air inlet pipe, wherein one end of the air inlet pipe is provided with a dust falling box, and the bottom of the dust falling box is provided with a circulating mechanism; the circulation mechanism comprises a filter box, the filter box is arranged at the bottom of the dust-settling box, a connecting pipeline is connected between the filter box and the dust-settling box, a first filter screen is arranged inside the filter box, a purifying box is arranged on one side of the filter box, a medicine inlet pipe is arranged at the top of the purifying box, and a motor is arranged at the bottom of the purifying box. The utility model discloses a set up circulation mechanism, thereby carry out the dust fall through spraying water to the flue gas and handle, circulate the blowout through carrying out filtration purification back to the sewage that the dust fall produced afterwards, be convenient for circulate water, avoid a large amount of wastes of water resource, improve water resource utilization ratio to reduce the flue gas dust removal cost, improve the environmental protection effect.

Description

Flue gas dust removal system for converter

Technical Field

The utility model relates to a flue gas dust removal technical field, more specifically say, the utility model relates to a flue gas dust pelletizing system for converter.

Background

In the oxygen blowing smelting process of the converter, high-temperature flue gas containing a large amount of carbon monoxide and iron-containing dust is generated, and at present, the flue gas purification and recovery processes of the converter mainly comprise a wet method, a dry method and a semi-dry method.

Chinese patent application No. CN201920242862.3 discloses a low emission system for converter dust removal. This a low discharge system for converter dust removal includes that the high temperature flue gas that produces to the converter cools down and carries out the dust collector who once removes dust, right pass through dust collector's flue gas carries out dry dehydration tower and right pass through the flue gas of dehydration tower carries out the electrostatic precipitator that the secondary removed dust, dust collector's flue gas entry with the exhanst gas outlet of converter is connected, dust collector's exhanst gas outlet with the flue gas entry linkage of dehydration tower, the exhanst gas outlet and the first flue gas pipeline of dehydration tower are connected, electrostatic precipitator sets up on the first flue gas pipeline. The technical problems of complex structure and poor dust removal effect of the primary dust removal device for the converter flue gas are solved;

this dust pelletizing system for converter is when subsiding through the dust of water in to the flue gas, and its spun water mixes with the smoke and dust to form sewage, need a large amount of water resources at the dust fall in-process, sewage can not cyclic utilization lead to a large amount of wastes of water resource.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is too single technical problem to prior art solution, provides showing the solution that is different from prior art. In order to overcome the problem defect in the prior art, the utility model provides a flue gas dust pelletizing system for converter to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flue gas dust removal system for a converter comprises an air inlet pipe, wherein a dust falling box is arranged at one end of the air inlet pipe, and a circulating mechanism is arranged at the bottom of the dust falling box;

the circulating mechanism comprises a filter box, the filter box is arranged at the bottom of the dust-settling box, a connecting pipeline is connected between the filter box and the dust-settling box, a first filter screen is arranged in the filter box, a purifying box is arranged on one side of the filter box, a medicine inlet pipe is arranged at the top of the purifying box, a motor is arranged at the bottom of the purifying box, a rotating disc is arranged at the output end of the motor, and a plurality of rotating rods are arranged at the top of the rotating disc;

the dust suppression device is characterized in that a circulating water pump is arranged at the top of the purification box, a connecting water pipe is connected between the filter box, the purification box, the circulating water pump and the dust suppression box, a vertical connecting pipe is arranged at the bottom of the connecting water pipe, a transverse water pipe is arranged at the bottom of the vertical connecting pipe, and a wide-angle sprayer is installed at the bottom of the transverse water pipe.

Preferably, dust falling box one side is provided with the outlet duct, outlet duct one end is provided with secondary filter mechanism, secondary filter mechanism includes the filter box, filter box internally mounted has the active carbon filter, the inside active carbon filter one side that is close to of filter box installs the second filter screen, filter box one side is provided with the blast pipe.

Preferably, the multistage hydraulic stem is installed to rose box one side, inside multistage hydraulic stem one end ran through the rose box and extended to the rose box, multistage hydraulic stem one end is provided with the slurcam, the slurcam is laminated with first filter screen top surface, rose box one side is provided with the blow off pipe.

Preferably, connect water pipe one end bottom and run through the dust fall case and extend to the dust fall incasement portion, the quantity of horizontal water pipe and wide angle shower nozzle all sets up to a plurality ofly.

Preferably, the bottom of the inner wall of the dust falling box is provided with a stop block, and the cross section of the stop block is triangular.

Preferably, the bottom of the connecting pipeline penetrates through the filter box and extends to the inside of the filter box, and the top of the connecting pipeline penetrates through the dust falling box and extends to the inside of the dust falling box.

The utility model discloses a technological effect and advantage:

1. through setting up the circulation mechanism, spray water to the flue gas through the wide-angle shower nozzle, dust fall to the flue gas through dust fall case, then filter the sewage of dust fall, the sewage after filtering enters into the purifying box inside, through going into the chemical tube and adding purification medicines such as alum to the purifying box, stir the sewage through the motor drive rotating rod, thus purify, thus make the water after purifying spread into the wide-angle shower nozzle again through circulating water pump and connecting water pipe and spray, finish the circulation of water, compared with the prior art, carry on the dust fall and process through spraying water to the flue gas, then circulate and spray through filtering the sewage produced by dust fall, facilitate the water to circulate, avoid the massive waste of the water resource, improve the utilization factor of the water resource, thus reduce the dust removal cost of the flue gas, improve the environmental protection effect;

2. drive the slurcam through multistage hydraulic stem and remove to make the slurcam release remaining solid impurity from the blow off pipe on removing the in-process with first filter screen, effectively clear up the dirt, the flue gas through after the water spray dust fall can enter into the filter box through the outlet duct simultaneously, filters through second filter screen and active carbon filter afterwards and adsorbs wherein impurity, passes through the blast pipe discharge afterwards, carries out secondary filter to the flue gas, improves the filter effect.

Drawings

Fig. 1 is the overall structure schematic diagram of the flue gas dust removal system of the utility model.

Fig. 2 is a schematic diagram of a specific structure of the motor output end of the present invention.

Fig. 3 is the internal structure schematic diagram of the purification box of the present invention.

Fig. 4 is a schematic view of the specific structure between the connection water pipe and the wide-angle nozzle of the present invention.

The reference signs are: 1. an air inlet pipe; 2. a dust falling box; 3. connecting a pipeline; 4. a filter box; 5. a first filter screen; 6. a purification box; 7. a medicine inlet pipe; 8. a motor; 9. rotating the disc; 10. rotating the rod; 11. a circulating water pump; 12. connecting a water pipe; 13. a vertical connecting pipe; 14. a transverse water pipe; 15. a wide-angle sprinkler; 16. an air outlet pipe; 17. a filter box; 18. an activated carbon filter plate; 19. a second filter screen; 20. an exhaust pipe; 21. a stopper; 22. a multi-stage hydraulic rod; 23. a push plate; 24. a sewage discharge pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The flue gas dust removal system for the converter shown in the attached figures 1-4 comprises an air inlet pipe 1, wherein one end of the air inlet pipe 1 is provided with a dust falling box 2, and the bottom of the dust falling box 2 is provided with a circulating mechanism;

the circulating mechanism comprises a filter box 4, the filter box 4 is arranged at the bottom of the dust falling box 2, a connecting pipeline 3 is connected between the filter box 4 and the dust falling box 2, a first filter screen 5 is arranged in the filter box 4, a purifying box 6 is arranged on one side of the filter box 4, a medicine inlet pipe 7 is arranged at the top of the purifying box 6, a motor 8 is arranged at the bottom of the purifying box 6, a rotating disc 9 is arranged at the output end of the motor 8, and a plurality of rotating rods 10 are arranged at the top of the rotating disc 9;

6 tops of purifying box are provided with circulating water pump 11, are connected with between rose box 4, purifying box 6 and circulating water pump 11 and the dust fall case 2 and are connected water pipe 12, and connecting water pipe 12 bottom is provided with vertical connecting pipe 13, and vertical connecting pipe 13 bottom is provided with horizontal water pipe 14, and wide angle shower nozzle 15 is installed to horizontal water pipe 14 bottom.

As shown in the attached drawing 1, an air outlet pipe 16 is arranged on one side of the dust settling box 2, a secondary filtering mechanism is arranged at one end of the air outlet pipe 16 and comprises a filtering box 17, an activated carbon filtering plate 18 is arranged inside the filtering box 17, a second filtering net 19 is arranged on one side, close to the activated carbon filtering plate 18, of the inside of the filtering box 17, an exhaust pipe 20 is arranged on one side of the filtering box 17, secondary filtering purification can be performed on smoke, and the smoke dust removal effect is improved.

As shown in the attached drawing 1, multistage hydraulic stem 22 is installed to 4 one sides of rose box, and inside multistage hydraulic stem 22 one end ran through rose box 4 and extended to rose box 4, multistage hydraulic stem 22 one end was provided with slurcam 23, and slurcam 23 and the laminating of 5 top surfaces of first filter screen, 4 one sides of rose box were provided with blow off pipe 24, were convenient for discharge filterable solid dirt in the rose box 4.

As shown in the accompanying drawings 1 and 4, the bottom of one end of the connecting water pipe 12 runs through the dust falling box 2 and extends to the interior of the dust falling box 2, the number of the transverse water pipes 14 and the wide-angle nozzles 15 is set to be multiple, the bottom of the inner wall of the dust falling box 2 is provided with a stop 21, the cross section of the stop 21 is triangular, the bottom of the connecting pipeline 3 runs through the filter box 4 and extends to the interior of the filter box 4, the top of the connecting pipeline 3 runs through the dust falling box 2 and extends to the interior of the dust falling box 2, and sewage can be conveniently discharged into the filter box 4.

The utility model discloses the theory of operation: the utility model discloses in the use, at first the flue gas that the converter produced enters into dust fall case 2 inside through intake pipe 1, later through starting circulating water pump 11, input vertical connecting pipe 13 and horizontal water pipe 14 inside with the inside water of purifying box 6 through connecting pipe 12, later through the 15 blowout of a plurality of wide angle shower nozzles of horizontal water pipe 14 bottom, the spun water carries out the dust fall to the flue gas, later the water of mixed smoke and dust enters into rose box 4 through connecting tube 3, filter the solid impurity of aquatic through the inside first filter screen 5 of rose box 4, later filterable water enters into purifying box 6, through going into the purifying drugs such as chemical additions alum of pencil 7 to aquatic, open motor 8 simultaneously, it is rotatory to make motor 8 drive the rotary disk 9 of its output, and then make dwang 10 stir water, thereby accomplish the purification of water, rethread circulating water pump 11 and connecting pipe 12 spout water into dust fall case 2 insidely through wide angle shower nozzle 15 with water once more.

And finally: the above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. The utility model provides a flue gas dust pelletizing system for converter, includes intake pipe (1), its characterized in that: one end of the air inlet pipe (1) is provided with a dust falling box (2), and the bottom of the dust falling box (2) is provided with a circulating mechanism;

the circulating mechanism comprises a filter box (4), the filter box (4) is arranged at the bottom of the dust-falling box (2), a connecting pipeline (3) is connected between the filter box (4) and the dust-falling box (2), a first filter screen (5) is installed inside the filter box (4), a purifying box (6) is arranged on one side of the filter box (4), a medicine inlet pipe (7) is arranged at the top of the purifying box (6), a motor (8) is installed at the bottom of the purifying box (6), a rotating disc (9) is arranged at the output end of the motor (8), and a plurality of rotating rods (10) are arranged at the top of the rotating disc (9);

purifying box (6) top is provided with circulating water pump (11), be connected with between rose box (4), purifying box (6) and circulating water pump (11) and dust fall case (2) and be connected water pipe (12), connecting water pipe (12) bottom is provided with vertical connecting pipe (13), vertical connecting pipe (13) bottom is provided with horizontal water pipe (14), wide angle shower nozzle (15) are installed to horizontal water pipe (14) bottom.

2. The flue gas dust removal system for the converter according to claim 1, wherein: dust falling box (2) one side is provided with outlet duct (16), outlet duct (16) one end is provided with secondary filter mechanism, secondary filter mechanism includes filter box (17), filter box (17) internally mounted has activated carbon filter (18), filter box (17) inside is close to activated carbon filter (18) one side and installs second filter screen (19), filter box (17) one side is provided with blast pipe (20).

3. The flue gas dust removal system for the converter according to claim 1, wherein: multistage hydraulic stem (22) are installed to rose box (4) one side, multistage hydraulic stem (22) one end runs through rose box (4) and extends to inside rose box (4), multistage hydraulic stem (22) one end is provided with slurcam (23), slurcam (23) and the laminating of first filter screen (5) top surface, rose box (4) one side is provided with blow off pipe (24).

4. The flue gas dust removal system for the converter according to claim 1, wherein: connect water pipe (12) one end bottom and run through dust falling box (2) and extend to inside dust falling box (2), the quantity of horizontal water pipe (14) and wide angle shower nozzle (15) all sets up to a plurality ofly.

5. The flue gas dust removal system for the converter according to claim 1, wherein: the bottom of the inner wall of the dust falling box (2) is provided with a stop block (21), and the cross section of the stop block (21) is triangular.

6. The flue gas dust removal system for the converter according to claim 1, wherein: inside connecting tube (3) bottom run through rose box (4) and extend to rose box (4), dust falling box (2) is run through and extend to inside dust falling box (2) at connecting tube (3) top.