CN212575966U

CN212575966U - Calcining flue gas treatment device

Info

Publication number: CN212575966U
Application number: CN201922118573.5U
Authority: CN
Inventors: 卢晓平
Original assignee: Chongqing Hejing Carbon Materials Co ltd
Current assignee: Chongqing Hejing Carbon Materials Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2021-02-23
Anticipated expiration: 2029-12-02

Abstract

The embodiment of the utility model discloses calcine flue gas processing apparatus, concretely relates to calcine flue gas and handle technical field, including the absorption tower, the fixed absorption liquid case that is equipped with of one side lateral wall of absorption tower, one side fixedly connected with connecting pipe of absorption liquid case, the tip fixedly connected with elevator pump of connecting pipe, the top fixedly connected with delivery line of elevator pump, delivery line's top fixedly connected with inlet tube, the inlet tube is inserted and is located the inside of absorption tower and tip fixedly connected with riser, the surface of riser is equipped with the nozzle between first whirl board and second whirl board and two first whirl boards respectively, the inside wall of absorption tower is close to second whirl board department fixed mounting and is removed the fog cover. The utility model discloses utilize the defogging cover to replace traditional defogging device to make overall structure compactness strong, area is reasonable, arranges the degree of difficulty low, can be used to the use-in of actual mill's flue gas improvement.

Description

Calcining flue gas treatment device

Technical Field

The embodiment of the utility model provides a calcine flue gas processing technology field, concretely relates to calcine flue gas processing apparatus.

Background

The calcined coke is mainly used for producing graphite electrodes, calcium carbide and the metallurgical industry, wherein the most application is the production of the graphite electrodes, pollutants such as tar particles, hydrocarbons, carbon dioxide, sulfur dioxide and the like are easily generated in the process of calcining petroleum coke, and the sulfur dioxide enters the atmosphere to form acid rain which can greatly damage local climate and living environment, so that the sulfur dioxide must be treated;

the prior art has the following defects: the existing calcining flue gas treatment device is unreasonable in structural design, large in occupied area, high in actual arrangement difficulty and not beneficial to the practical use of flue gas treatment in a factory.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a calcine flue gas processing apparatus, through the defogging cover that removes that sets up, fully with the absorptive air current of absorption liquid arrange to chimney department through the exhanst gas outlet behind the defogging cover, the equipment utilization defogging cover that whole processing calcined the flue gas replaces traditional defogging device to make overall structure compactness strong, and area is reasonable, arrange the degree of difficulty low, can be used to the use-in of actual mill's flue gas treatment, it is unreasonable to solve the calcining flue gas processing apparatus structural design among the prior art, and area is great, and the actual degree of difficulty of arranging is higher, be unfavorable for the problem of the use-in of actual mill's flue gas treatment.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a calcining flue gas treatment device comprises an absorption tower, wherein an absorption liquid tank is fixedly arranged on the outer side wall of one side of the absorption tower, a regeneration tank is fixedly arranged at the bottom end of the absorption tower, a flue gas inlet is formed in the outer side wall of one side of the absorption tower, a flue gas outlet is formed in the top end of the absorption tower, a connecting pipe is fixedly connected to one side of the absorption liquid tank, a lifting pump is fixedly connected to the end part of the connecting pipe, a conveying pipeline is fixedly connected to the top end of the lifting pump, a water inlet pipe is fixedly connected to the top end of the conveying pipeline, the water inlet pipe is inserted into the absorption tower, a vertical pipe is fixedly connected to the end part of the water inlet pipe, and a second rotational flow plate;

the bottom of first whirl board is all fixed and is equipped with the support, and the periphery of support is close to absorption tower inside wall department and is equipped with the collecting tank, the surface of riser is equipped with the nozzle between first whirl board and second whirl board and two first whirl boards respectively, the inside wall of absorption tower is close to second whirl board department fixed mounting and has the defogging cover.

Furthermore, the structure of the upper half section of the defogging cover is conical and is in a hollow arrangement, the two ends of the defogging cover in the vertical direction are in a through arrangement, and the lower half section of the defogging cover is provided with uniformly distributed mounting holes.

Furthermore, the nozzle is provided with the diffusion nozzle and its quantity is provided with eight, and every four the nozzle is in the surface of riser respectively and is the annular setting between first whirl board and second whirl board and two first whirl boards.

Furthermore, the outer surfaces of the tops of the absorption liquid box and the regeneration box are provided with feed inlets.

Furthermore, an electric stirring rod is fixedly installed on the outer side wall of one side, far away from the absorption tower, of the regeneration box.

Furthermore, an infusion tube is fixedly installed between the absorption liquid box and the regeneration box, and the absorption liquid box is communicated with the regeneration box through the infusion tube.

Further, a valve is fixedly arranged on the outer surface of the conveying pipeline.

Furthermore, a separation net is fixedly arranged at the joint of the inner bottom wall of the absorption tower and the regeneration box.

The embodiment of the utility model provides a have following advantage:

1. through the defogging cover that sets up, abundant and the absorptive air current of absorption liquid is discharged to chimney department through the exhanst gas outlet behind the defogging cover, and whole equipment of handling calcination flue gas utilizes defogging cover to replace traditional defogging device to make overall structure compactness strong, and area is reasonable, arranges the degree of difficulty low, can be used to the input use that the flue gas of actual plant was administered.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front view provided in embodiment 1 of the present invention;

fig. 2 is a plan view provided in embodiment 1 of the present invention;

fig. 3 is a top view of a second swirling plate provided in embodiment 1 of the present invention;

fig. 4 is a perspective view of the defogging cover provided by the embodiment 1 of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2 according to embodiment 1 of the present invention;

in the figure: 1. an absorption tower; 2. an absorption liquid tank; 3. a regeneration box; 4. a flue gas inlet; 5. a flue gas outlet; 6. a lift pump; 7. a delivery line; 8. a water inlet pipe; 9. a riser; 10. a nozzle; 11. a second swirl plate; 12. a first swirl plate; 13. a support; 14. a liquid collecting tank; 15. a connecting pipe; 16. a defogging cover; 17. mounting holes; 18. an electric stirring rod; 19. a transfusion tube; 20. a feed inlet; 21. separating the net; 22. and (4) a valve.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached drawings 1-5 of the specification, the calcining flue gas treatment device of the embodiment comprises an absorption tower 1, wherein an absorption liquid tank 2 is fixedly arranged on the outer side wall of one side of the absorption tower 1, a regeneration tank 3 is fixedly arranged at the bottom end of the absorption tower 1, a flue gas inlet 4 is arranged on the outer side wall of one side of the absorption tower 1, a flue gas outlet 5 is arranged at the top end of the absorption tower 1, a connecting pipe 15 is fixedly connected to one side of the absorption liquid tank 2, a lift pump 6 is fixedly connected to the end of the connecting pipe 15, a conveying pipeline 7 is fixedly connected to the top end of the lift pump 6, a water inlet pipe 8 is fixedly connected to the top end of the conveying pipeline 7, the water inlet pipe 8 is inserted into the absorption tower 1, a vertical pipe 9 is fixedly connected to the end of the vertical pipe 9, and a second rotational flow plate 11 and;

the bottom of first whirl board 12 is all fixed and is equipped with support 13, and the periphery of support 13 is close to 1 inside wall department of absorption tower and is equipped with the collecting tank 14, the surface of riser 9 is equipped with nozzle 10 between first whirl board 12 and second whirl board 11 and two first whirl boards 12 respectively, the inside wall of absorption tower 1 is close to second whirl board 11 department fixed mounting and has defogging cover 16.

Furthermore, the upper half section of the defogging cover 16 is conical and is in a hollow arrangement, the two ends of the defogging cover 16 in the vertical direction are in a through arrangement, so that air flow can pass through the defogging cover 16, and the lower half section of the defogging cover 16 is provided with uniformly distributed mounting holes 17.

Further, the nozzles 10 are provided with eight diffusion nozzles 10, and every four nozzles 10 are respectively arranged on the outer surface of the stand pipe 9 between the first swirling plate 12 and the second swirling plate 11 and between the two first swirling plates 12 in an annular shape.

Further, the top outer surfaces of the absorption liquid tank 2 and the regeneration tank 3 are both provided with a feed inlet 20.

Further, the outer side wall of one side of the regeneration box 3, which is far away from the absorption tower 1, is fixedly provided with an electric stirring rod 18, so that sodium alkali is regenerated after full reaction of quicklime and a desulfurization product is ensured.

Furthermore, a liquid conveying pipe 19 is fixedly installed between the absorption liquid tank 2 and the regeneration tank 3, and the absorption liquid tank 2 is communicated with the regeneration tank 3 through the liquid conveying pipe 19, so that the regenerated absorption liquid is injected into the absorption liquid tank 2 from the regeneration tank 3.

Further, a valve 22 is fixedly installed on the outer surface of the conveying pipeline 7 to control the flow rate of the absorption liquid.

Furthermore, a separation net 21 is fixedly installed at the joint of the inner bottom wall of the absorption tower 1 and the regeneration box 3, and the desulfurization product can enter the regeneration box 3 from the absorption tower 1 through the separation net 21 for regeneration.

The implementation scenario is specifically as follows: when the utility model is used, firstly, the sodium hydroxide absorption liquid filled in the absorption liquid box 2 is conveyed by the lift pump 6 through the conveying pipeline 7 and injected into the vertical pipe 9 in the absorption tower 1 and is sprayed out through the diffusion type nozzle 10, the absorption liquid fog drops generated by the diffusion type nozzle 10 are uniformly distributed on the outer surfaces of the first rotational flow plate 12 and the second rotational flow plate 11 to form water films, then, the flue gas is injected into the absorption tower 1 from the flue gas inlet 4, the air flow generates rotation and centrifugal motion when passing through the first rotational flow plate 12 and the second rotational flow plate 11, the absorption liquid on the first rotational flow plate 12 and the second rotational flow plate 11 and the upward rotating air flow form rotation and centrifugal effects and are sprayed into fine liquid drops, the tower wall drops after being thrown to the tower wall and dropping to the liquid collecting tank 14 and then flows into the regeneration box 3 from the bottom end of the absorption tower 1 along, the upward rotating air flow passes through the two first rotational flow plates 12 and the second rotational flow plate 11, make the air current fully react with the absorption liquid, then, fully with the absorptive air current of absorption liquid behind defogging cover 16, arrange to chimney department through exhanst gas outlet 5, the absorption liquid that can effectively prevent to get rid of to the tower wall like this is taken away by the air current, the corruption to pipeline and fan has been reduced, afterwards, through the feed inlet 20 on regeneration case 3 top toward regeneration case 3 inside throw-in quick lime absorption desulfurization product, make the soda in the absorption liquid regeneration, the upper solution of regenerated absorption liquid further subsides in regeneration case 3 back pours into absorption liquid case 2 internal recycle through transfer line 19 into, whole equipment of handling calcination flue gas utilizes defogging cover 16 to replace traditional defogging device and makes overall structure compactness strong, and area is reasonable, arrange the degree of difficulty lower, can be used to the input of actual mill's flue gas improvement and use.

The working principle is as follows:

referring to the attached drawings 1-5 of the specification, sodium hydroxide absorption liquid is conveyed by a lift pump 6 through a conveying pipeline 7 and injected into a vertical pipe 9 and sprayed out through a diffusion type nozzle 10, absorption liquid fog drops generated by the diffusion type nozzle 10 are uniformly distributed on the outer surfaces of a first rotational flow plate 12 and a second rotational flow plate 11 to form a water film, then, flue gas is injected into the absorption tower 1 from a flue gas inlet 4, the absorption liquid on the first rotational flow plate 12 and the second rotational flow plate 11 and upward rotating airflow form rotating and centrifuging effects, the fine liquid drops are sprayed, after being thrown to the tower wall, the fine liquid drops drop to a liquid collecting tank 14 and then flow into a regeneration box 3 along the tower wall from the bottom end of the absorption tower 1, then, the airflow fully absorbed by the absorption liquid passes through a defogging cover 16 and then is discharged to a chimney through a flue gas outlet 5, and then quicklime is added into the regeneration box 3 to absorb desulfurization products, so that sodium alkali in the absorption liquid is, the upper solution after absorption liquid subsides after the regeneration pours into the inside cyclic utilization of absorption liquid case 2 through transfer line 19 into, and whole equipment utilization of handling calcination flue gas removes fog cover 16 and replaces traditional defogging device and makes overall structure compactness strong, and area is reasonable, arranges the degree of difficulty lower, can be used to the input use that actual mill's flue gas was administered.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A calcination flue gas treatment device comprises an absorption tower (1), and is characterized in that: an absorption liquid box (2) is fixedly arranged on the outer side wall of one side of the absorption tower (1), a regeneration box (3) is fixedly arranged at the bottom end of the absorption tower (1), a flue gas inlet (4) is arranged on the outer side wall of one side of the absorption tower (1), a smoke outlet (5) is arranged at the top end of the absorption tower (1), one side of the absorption liquid tank (2) is fixedly connected with a connecting pipe (15), the end part of the connecting pipe (15) is fixedly connected with a lifting pump (6), the top end of the lifting pump (6) is fixedly connected with a conveying pipeline (7), the top end of the conveying pipeline (7) is fixedly connected with a water inlet pipe (8), the water inlet pipe (8) is inserted in the absorption tower (1) and the end part of the water inlet pipe is fixedly connected with a vertical pipe (9), the outer surface of the vertical pipe (9) is sequentially provided with a second cyclone plate (11) and two first cyclone plates (12) from top to bottom;

the bottom of first whirl board (12) is all fixed and is equipped with support (13), and the periphery of support (13) is close to absorption tower (1) inside wall department and is equipped with collecting tank (14), the surface of riser (9) is equipped with nozzle (10) between first whirl board (12) and second whirl board (11) and two first whirl boards (12) respectively, the inside wall of absorption tower (1) is close to second whirl board (11) department fixed mounting and has defogging cover (16).

2. The calcination flue gas treatment device according to claim 1, wherein: the structure of the upper half section of the defogging cover (16) is conical and is in a hollow arrangement, the two ends of the defogging cover (16) in the vertical direction are in a through arrangement, and the lower half section of the defogging cover (16) is provided with uniformly distributed mounting holes (17).

3. The calcination flue gas treatment device according to claim 1, wherein: the nozzle (10) is provided with diffusion type nozzles (10) and the number of the diffusion type nozzles is eight, and every four nozzles (10) are arranged on the outer surface of the vertical pipe (9) in an annular mode between the first cyclone plate (12), the second cyclone plate (11) and the two first cyclone plates (12).

4. The calcination flue gas treatment device according to claim 1, wherein: the outer surfaces of the tops of the absorption liquid box (2) and the regeneration box (3) are provided with feed inlets (20).

5. The calcination flue gas treatment device according to claim 1, wherein: an electric stirring rod (18) is fixedly arranged on the outer side wall of one side of the regeneration box (3) far away from the absorption tower (1).

6. The calcination flue gas treatment device according to claim 1, wherein: an infusion tube (19) is fixedly installed between the absorption liquid box (2) and the regeneration box (3), and the absorption liquid box (2) is communicated with the regeneration box (3) through the infusion tube (19).

7. The calcination flue gas treatment device according to claim 6, wherein: and a valve (22) is fixedly arranged on the outer surface of the conveying pipeline (7).

8. The calcination flue gas treatment device according to claim 1, wherein: and a separation net (21) is fixedly arranged at the joint of the inner bottom wall of the absorption tower (1) and the regeneration box (3).