CN210674737U

CN210674737U - Dry desulfurization device for cement kiln

Info

Publication number: CN210674737U
Application number: CN201921513825.8U
Authority: CN
Inventors: 王汉超
Original assignee: Yuzhou Yongliang Cement Co Ltd
Current assignee: Yuzhou Yongliang Cement Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-05
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a cement kiln dry desulphurization unit relates to dry desulphurization unit technical field, can not obtain better cyclic utilization and the more problem of parting liquid, sediment for solving current cement kiln dry desulphurization unit's desulfurization waste water. One side of kiln is provided with the dust remover, be provided with communicating pipe between kiln and the dust remover, one side of dust remover is provided with the rack, the top of rack is provided with the suction fan, one side of suction fan is provided with the desulfurizing tower, all be provided with the intake pipe between suction fan and dust remover and the desulfurizing tower, one side of desulfurizing tower top is provided with vapour and liquid separator, be provided with the separator tube between vapour and liquid separator and the desulfurizing tower, the inside of kiln is provided with the asbestos gauge, the below of asbestos gauge is provided with the guide plate, vapour and liquid separator's inside is provided with screw mechanism, the inside of desulfurizing tower is provided with the filter screen, the below of filter screen is provided with sprays the mechanism.

Description

Dry desulfurization device for cement kiln

Technical Field

The utility model relates to a dry desulphurization unit technical field specifically is a cement kiln dry desulphurization unit.

Background

With the rapid development of economic construction, the demand for important building materials such as cement is continuously rising, aiming at the current situation of cement firing by taking coal as a main fuel, a great amount of pollutants mainly comprising sulfur dioxide and nitrogen oxides are generated in the cement firing process, and the sulfur and nitrogen oxides are dispersed into the air in a gas form and are the main cause of acid rain formation, so that the emission reduction of sulfur oxides generated in the cement firing process is realized, the national requirements on environmental protection are met, and the use of the dry desulfurization device of the cement kiln is more and more extensive.

At present, the cement kiln dry desulfurization device on the market has poor dust removal performance in the desulfurization process, causes more liquid and slag and is not easy to separate, and desulfurization wastewater cannot be recycled well, causes huge pollution to the environment, has poor environmental protection effect and cannot meet the requirement of a user, so that the market urgently needs to develop a cement kiln dry desulfurization device to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cement kiln dry desulfurization device to solve the desulfurization waste water of the current cement kiln dry desulfurization device that proposes in the above-mentioned background art can not obtain better cyclic utilization and the more problem of parting liquid, sediment.

In order to achieve the above object, the utility model provides a following technical scheme: a dry desulfurization device of a cement kiln comprises a kiln, wherein a dust remover is arranged on one side of the kiln, a communicating pipe is arranged between the kiln and the dust remover, a placing frame is arranged on one side of the dust remover, a suction fan is arranged above the placing frame, a desulfurization tower is arranged on one side of the suction fan, air inlet pipes are arranged among the suction fan, the dust remover and the desulfurization tower, a gas-liquid separator is arranged on one side above the desulfurization tower, a separation pipe is arranged between the gas-liquid separator and the desulfurization tower, a liquid storage tank is arranged on one side below the desulfurization tower, a water suction pump is arranged below the liquid storage tank, a settling tank is arranged on one side of the water suction pump, water suction pipes are arranged among the water suction pump, the desulfurization tower and the settling tank, an asbestos screen is arranged inside the kiln, a guide plate is arranged below the asbestos screen, and a spiral mechanism is arranged inside the gas-, the inside of desulfurizing tower is provided with the filter screen, the below of filter screen is provided with sprays the mechanism.

Preferably, the spraying mechanism includes solenoid valve, feed pipe, protective case, water supply branch pipe and shower nozzle, the solenoid valve is located one side of feed pipe, water supply branch pipe is located the top and the below of feed pipe, and water supply branch pipe is provided with a plurality of, and a plurality of water supply branch pipe arranges in proper order, water supply branch pipe's upper end and lower extreme all are provided with the shower nozzle, protective case is located the outside of feed pipe.

Preferably, one end of the water supply branch pipe penetrates through and extends to the outside of the protective sleeve, the water supply pipe is connected with the water supply branch pipe in a sealing mode, and the water supply branch pipe and the spray head are of an integrated structure.

Preferably, the communicating pipe is hermetically connected with the kiln and the dust remover, the dust remover is welded to the placing frame, and the suction fan is fixedly connected with the placing frame.

Preferably, the air inlet pipe is hermetically connected with both the dust remover and the desulfurization tower, and the water suction pipe is hermetically connected with both the water suction pump and the settling tank.

Preferably, the kiln is fixedly connected with the asbestos screen and the guide plate, and the desulfurizing tower is fixedly connected with the filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this cement kiln dry process desulphurization unit is through setting up liquid reserve tank and suction pump, the absorption liquid that the liquid reserve tank includes the desulfurizer flows into the feed pipe, the feed pipe is respectively through a plurality of shower nozzles blowout absorption liquid of upper and lower both sides, the blowout liquid is even quick, at this moment, sulfur dioxide in the flue gas carries out the abundant reaction with the absorption liquid, after the contact, it becomes the desulfurization waste liquid to subside the tower bottom, and concentrate in pipe pump sending to the setting tank through suction pump, filter, finally obtain the gypsum, flue gas after the desulfurization is removed dust has prevented secondary pollution, still can utilize desulfurization waste water cyclic utilization, the problem that traditional cement kiln dry process desulphurization unit's desulfurization waste water can not obtain better cyclic utilization has been solved.

2. This cement kiln dry process desulphurization unit is through setting up the asbestos gauge, guide plate and dust remover, the solid dust that carries the flue gas that the kiln burning produced passes through in communicating pipe gets into the dust remover, the aperture in the asbestos gauge is convenient to shake off dust and flue gas, the guide plate is fixed dust flue gas whereabouts with higher speed, the dust remover removes dust, the dust removal effect is good, flue gas after the dust removal is sent into the desulfurizing tower through the intake pipe by the suction fan and is desulfurized, liquid has been reduced, the sediment, the separation of being convenient for more, traditional cement kiln dry process desulphurization unit parting liquid has been solved, the more problem of sediment.

Drawings

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

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

fig. 3 is a schematic structural view of the spraying mechanism of the present invention.

In the figure: 1. a kiln; 2. a communicating pipe; 3. a dust remover; 4. a suction fan; 5. placing a rack; 6. an air inlet pipe; 7. a gas-liquid separator; 8. a desulfurizing tower; 9. a liquid storage tank; 10. a water suction pump; 11. a suction pipe; 12. a settling tank; 13. a separation tube; 14. an asbestos web; 15. a baffle; 16. a screw mechanism; 17. a filter screen; 18. a spraying mechanism; 19. an electromagnetic valve; 20. a water supply pipe; 21. protecting the sleeve; 22. a water supply branch pipe; 23. and (4) a spray head.

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. 1-3, the present invention provides an embodiment: a cement kiln dry desulfurization device comprises a kiln 1, a dust remover 3 is arranged on one side of the kiln 1, a communicating pipe 2 is arranged between the kiln 1 and the dust remover 3, a placing frame 5 is arranged on one side of the dust remover 3, a suction fan 4 is arranged above the placing frame 5, the dust removal effect is good, a desulfurization tower 8 is arranged on one side of the suction fan 4, an air inlet pipe 6 is arranged between the suction fan 4 and the dust remover 3 as well as between the suction tower 8, a gas-liquid separator 7 is arranged on one side above the desulfurization tower 8, a separation pipe 13 is arranged between the gas-liquid separator 7 and the desulfurization tower 8, a liquid storage tank 9 is arranged on one side below the desulfurization tower 8, flue gas after desulfurization and dust removal prevents secondary pollution, desulfurization waste water can be recycled, resources are saved, the energy consumption and the operation cost are reduced, a water suction pump 10 is arranged below the liquid storage tank 9, and the water suction pump, one side of water suction pump 10 is provided with setting tank 12, all is provided with between water suction pump 10 and desulfurizing tower 8 and setting tank 12 and absorbs water pipe 11, and the inside of kiln 1 is provided with asbestos gauge 14, and the below of asbestos gauge 14 is provided with guide plate 15, and the inside of vapour and liquid separator 7 is provided with screw mechanism 16, and the inside of desulfurizing tower 8 is provided with filter screen 17, and the below of filter screen 17 is provided with sprays mechanism 18.

Further, the spraying mechanism 18 comprises an electromagnetic valve 19, a water supply pipe 20, a protective sleeve 21, a water supply branch pipe 22 and a spray head 23, wherein the electromagnetic valve 19 is positioned on one side of the water supply pipe 20, the electromagnetic valve 19 adopts the electromagnetic valve 19 with the model of TM51-15HPX, the water supply branch pipe 22 is positioned above and below the water supply pipe 20, the water supply branch pipe 22 is provided with a plurality of water supply branch pipes 22, the spray head 23 is arranged at the upper end and the lower end of the water supply branch pipe 22, the protective sleeve 21 is positioned outside the water supply pipe 20, secondary pollution is prevented by flue gas after desulfurization and dust removal, desulfurization waste water can be recycled, resources are saved, and energy consumption and operation cost are reduced.

Furthermore, one end of the water supply branch pipe 22 penetrates through and extends to the outside of the protective sleeve 21, the water supply pipe 20 is connected with the water supply branch pipe 22 in a sealing mode, the water supply branch pipe 22 and the spray head 23 are of an integrated structure, and integrity between the structures is better.

Further, communicating pipe 2 and kiln 1 and dust remover 3 all sealing connection, dust remover 3 and rack 5 welded connection, suction fan 4 and rack 5 fixed connection, dust removal effect is good.

Further, intake pipe 6 and dust remover 3 and the equal sealing connection of desulfurizing tower 8, the equal sealing connection of suction tube 11 and suction pump 10 and setting tank 12, the leakproofness between the structure is better.

Further, kiln 1 and asbestos gauge 14 and the equal fixed connection of guide plate 15, desulfurizing tower 8 and filter screen 17 fixed connection for the connection between the structure is more firm, reliable.

The working principle is as follows: when in use, firstly, solid dust carrying flue gas generated by combustion of the kiln 1 enters the dust remover 3 through the communicating pipe 2, the dust and the flue gas are shaken off conveniently by small holes in the asbestos gauze 14, the guide plate 15 accelerates to fix the falling of the dust and the flue gas, the dust remover 3 removes dust with good dust removal effect, the flue gas after dust removal is sent into the desulfurizing tower 8 through the air suction fan 4 through the air inlet pipe 6 to be desulfurized, liquid and slag are reduced, and separation is more convenient, on one hand, the upper section in the desulfurizing tower 8 is provided with the filter screen 17, the filter screen 17 separates the filtered flue gas into vapor and water through the gas-liquid separator 7, the spiral mechanism 16 in the gas-liquid separator 7 improves the efficiency of gas-liquid separation, after separation, the gas-liquid separator 7 is discharged from the separating pipe 13 in a liquid form, so that the gas-liquid separation is thorough, on the other hand, the electromagnetic valve 19 is automatically opened, and absorption, the feed pipe 20 is respectively through a plurality of shower nozzles 23 blowout absorption liquid of upper and lower both sides, the blowout liquid is even quick, at this moment, sulfur dioxide in the flue gas and absorption liquid carry out the abundant reaction, after the contact, subside to become the desulfurization waste liquid at the bottom of the tower, and through absorbing water pump 10 through absorbing water 11 pump sending to the setting tank 12 in concentrate, filter, finally obtain the gypsum, flue gas after the desulfurization is removed dust has prevented secondary pollution, still can be with desulfurization waste water cyclic utilization, when resources are saved, energy consumption and operating cost are reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cement kiln dry desulfurization device, includes kiln (1), its characterized in that: a dust remover (3) is arranged on one side of the kiln (1), a communicating pipe (2) is arranged between the kiln (1) and the dust remover (3), a placing rack (5) is arranged on one side of the dust remover (3), a suction fan (4) is arranged above the placing rack (5), a desulfurizing tower (8) is arranged on one side of the suction fan (4), air inlet pipes (6) are arranged among the suction fan (4), the dust remover (3) and the desulfurizing tower (8), a gas-liquid separator (7) is arranged on one side above the desulfurizing tower (8), a separating pipe (13) is arranged between the gas-liquid separator (7) and the desulfurizing tower (8), a liquid storage tank (9) is arranged on one side below the desulfurizing tower (8), a water suction pump (10) is arranged below the liquid storage tank (9), a settling tank (12) is arranged on one side of the water suction pump (10), all be provided with between water suction pump (10) and desulfurizing tower (8) and settling tank (12) and absorb water pipe (11), the inside of kiln (1) is provided with asbestos gauge (14), the below of asbestos gauge (14) is provided with guide plate (15), the inside of vapour and liquid separator (7) is provided with screw mechanism (16), the inside of desulfurizing tower (8) is provided with filter screen (17), the below of filter screen (17) is provided with sprays mechanism (18).

2. The dry desulfurization device for cement kilns according to claim 1, characterized in that: spray mechanism (18) and include solenoid valve (19), feed pipe (20), protective case (21), water supply branch pipe (22) and shower nozzle (23), solenoid valve (19) are located one side of feed pipe (20), water supply branch pipe (22) are located the top and the below of feed pipe (20), and water supply branch pipe (22) are provided with a plurality of, and a plurality of water supply branch pipe (22) arrange in proper order, the upper end and the lower extreme of water supply branch pipe (22) all are provided with shower nozzle (23), protective case (21) are located the outside of feed pipe (20).

3. The dry desulfurization device for cement kilns according to claim 2, characterized in that: one end of the water supply branch pipe (22) penetrates through and extends to the outside of the protective sleeve (21), the water supply pipe (20) is connected with the water supply branch pipe (22) in a sealing mode, and the water supply branch pipe (22) and the spray head (23) are of an integrated structure.

4. The dry desulfurization device for cement kilns according to claim 1, characterized in that: the communicating pipe (2) is hermetically connected with the kiln (1) and the dust remover (3), the dust remover (3) is welded with the placing frame (5), and the suction fan (4) is fixedly connected with the placing frame (5).

5. The dry desulfurization device for cement kilns according to claim 1, characterized in that: the air inlet pipe (6) is hermetically connected with the dust remover (3) and the desulfurizing tower (8), and the water suction pipe (11) is hermetically connected with the water suction pump (10) and the settling tank (12).

6. The dry desulfurization device for cement kilns according to claim 1, characterized in that: the kiln (1) is fixedly connected with the asbestos net (14) and the guide plate (15), and the desulfurizing tower (8) is fixedly connected with the filter screen (17).