CN208526176U - Limekiln flue-gas dust-removing and desulfurization system - Google Patents

Limekiln flue-gas dust-removing and desulfurization system Download PDF

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CN208526176U
CN208526176U CN201821019685.4U CN201821019685U CN208526176U CN 208526176 U CN208526176 U CN 208526176U CN 201821019685 U CN201821019685 U CN 201821019685U CN 208526176 U CN208526176 U CN 208526176U
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flue
dust
pipeline
limekiln
desulfurization
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CN201821019685.4U
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李成丛
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李成丛
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Abstract

The utility model discloses a kind of limekiln flue-gas dust-removing and desulfurization systems, it is related to the waste gas purification apparatus of vertical calcination lime burner, a large amount of manual work is needed to solve dust-removing desulfurating apparatus in the prior art, processing cost and the high problem of risk, the utility model includes dust pelletizing system and desulphurization system, dust pelletizing system includes cyclone dust collectors group, radiator and bag filter group, the air inlet of cyclone dust collectors group is exported by the flue dust that pipeline is connected to limekiln top, the air outlet of cyclone dust collectors group is connected to the entrance of radiator by pipeline, the outlet of radiator is connected to the air inlet of bag filter group by pipeline, the air outlet of bag filter group is connected to desulphurization system by pipeline.The utility model is used for the dedusting and desulfurization process of limekiln top flue gas.

Description

Limekiln flue-gas dust-removing and desulfurization system
Technical field
The utility model relates to a kind of purification devices of exhaust gas, specifically, being related to a kind of limekiln flue-gas dust-removing and desulfurization System.
Background technique
Lime can generate a large amount of exhaust gas and dust in sintering procedure, the flue-gas temperature come out from limekiln body 120 DEG C or so, dust content is in 120g/m3, contain sour gas, such as SO2、CO2, the pernicious gases such as nitrogen oxides, need to carry out Otherwise dedusting, degasification and desulfurization process will would seriously pollute the environment.
Existing dusting and desulfuring system is more mature, but during dedirt, and the work such as pick up, operate of dust are not easy Operation, generally requires a large amount of manual work, increases processing cost and risk, environmental requirement is not achieved in dedusting, and is removing During dirt, cleaner well damage needs often to be cleared up and repaired.
Utility model content
To solve the above problems, the utility model provides a kind of high dust collection efficiency, damages cleaner small limekiln Flue-gas dust-removing and desulfurization system.
The utility model includes dust pelletizing system and desulphurization system, and dust pelletizing system includes cyclone dust collectors group, radiator and cloth Bag dust collector group, the air inlet of cyclone dust collectors group are connected to the exhanst gas outlet on limekiln top, cyclone dust collectors by pipeline The air outlet of group is connected to the entrance of radiator by pipeline, and the outlet of radiator is connected to bag filter group by pipeline The air outlet of air inlet, bag filter group is connected to desulphurization system by pipeline.
The high-temperature flue gas being ejected from limekiln can have certain high-temperature heating to bag filter group inner components Effect, leads to its service life reduction;And at high temperature, the solid particle in flue gas is easily absorbing the cloth bag inner wall in cloth bag group On, adsorption effect is good, but just because of adsorption effect is good, when peeling off from cloth bag, it is also desirable to bigger power, in high-temperature flue gas Before entering bag filter group, cool down to flue gas, the service life of bag filter group, Er Qie can not only be improved When carrying out blowback using blowback system, more quickly the solid particle being adsorbed on cloth bag can be blown off into flue-dust retainer. Radiator is preferably multi-pipe radiator, can accurately control flue-gas temperature.
Further, the bag filter group includes blowback system, and be arranged from top to bottom toilet, cloth bag group And flue-dust retainer, the air inlet of bag filter group are connected to cloth bag group by pipeline, cloth bag group bottom is connected to flue-dust retainer, cloth bag Group top is connected to toilet, and toilet is connected to air outlet by pipeline.When flue gas enters bag filter group, flue gas The direction of motion be from bottom to top, be introduced into cloth bag group, when by cloth bag group, solid particle is adsorbed, blowback system then every A period of time can blow to cloth bag group against flow of flue gas direction, and the solid particle being adsorbed in cloth bag group enters collection ash In bucket, flue gas then enters toilet from cloth bag group, and the flue gas come out from toilet is entered in desulphurization system by air outlet.
Further, blowback system wind direction is contrary with flow of flue gas.
Further, flue-dust retainer is equipped with micro-burst motor, and the outlet of flue-dust retainer is equipped with miniature ash hoist, miniature ash discharge Machine is connected to auger ash hoist.In the prior art, the solid particle in flue-dust retainer is easy compacting in flue-dust retainer, and dust is formed greatly Block particle, it is difficult to go out from flue-dust retainer, also be easy obstruction ash hoist, or even damage to ash discharge equipment, the utility model exists Micro-burst motor is set up on flue-dust retainer, flue-dust retainer can be vibrated, and is prevented solid particle compacting, agglomeration, can also be prevented Only it blocks miniature ash hoist and fraising ash hoist, extends the service life of dust pelletizing system.
Further, the desulphurization system includes desulfurizing tower and the circular regeneration pond that is set to after desulfurizing tower;Bag-type dust Device group air outlet is connected to desulfurization tower bottom by pipeline, and the pipeline is equipped with air-introduced machine;The desulfurizing tower include from lower and On the four layers of spray thrower, demister, top layer spray thrower, top layer demister and the spiral board that set gradually.
Flue gas moves from bottom to top, with the reversed, cross-contact by four layers of misty doctor solution of spray throwers ejection, sufficiently ties It closes, by the acid gas adsorption in high-temperature flue gas, then by the vapor in demister absorption flue gas;Flue gas continues up fortune Dynamic, the misty doctor solution sprayed with top layer spray thrower contacts, and flue gas is further purified, using top layer demister by flue gas Middle water vapor adsorption, flue gas continue up, and are cooled down again after touching spiral board to flue gas, to the movement side of flue gas It to being redistributed, comes into full contact with it with atomizing spray liquid, also the liquid such as water droplet in flue gas is blocked in tower.
Further, desulfurizing tower outlet at bottom is connected to circular regeneration pond, regenerative agent tank and desulfurizing agent by desulfurization water pump Tank is connected to circular regeneration pond by pipeline, and for the liquid come out from desulfurization tower bottom after the processing of circular regeneration pond, circulation is sharp again With.
Compared with prior art, the utility model has the beneficial effects that the utility model can be to entering deduster group High-temperature flue gas carry out tentatively cooling, first protect the working environment of components in dedusting, improve deduster uses the longevity Life, second controls flue-gas temperature, so that flue gas, when contacting with cloth bag group, existing good adsorption effect is anti-in blowback system When blowing, the solid particle being adsorbed in cloth bag group can be quickly blown in flue-dust retainer, save hand labor, improve collection ash Efficiency;In addition, the utility model is provided with micro-burst motor on flue-dust retainer, solid particle can be prevented in flue-dust retainer inner product Poly-, agglomeration, prevents it from blocking ash hoist;The setting of spray thrower, the quantity of demister and spiral board and position in desulfurizing tower, can Desulfuration efficiency is improved, the diffusion of dust pollution and bad smell is reduced.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
1- cyclone dust collectors group;2- radiator;3- bag filter group;4- air-introduced machine;5- desulfurizing tower;6- desulfurization water pump; 7- circular regeneration pond;8- regenerative agent tank and desulfurizing agent tank;
31- cloth bag group;The toilet 32-;33- flue-dust retainer;34- micro-burst motor;The miniature ash hoist of 35-;36- auger goes out Grey machine;
51- spray thrower;52- demister;53- spiral board.
Specific embodiment
The utility model is further explained with reference to the accompanying drawings and examples.
A kind of limekiln flue-gas dust-removing and desulfurization system, including dust pelletizing system and desulphurization system.
Dust pelletizing system includes cyclone dust collectors group 1, multi-pipe radiator 2 and bag filter group 3, cyclone dust collectors group 1 Air inlet is connected to the exhanst gas outlet on limekiln top by pipeline, and the air outlet of cyclone dust collectors group 1 is connected to by pipeline The entrance of radiator 2, the outlet of radiator 2 are connected to the air inlet of bag filter group 3, bag filter group 3 by pipeline Air outlet desulphurization system is connected to by pipeline.Bag filter group 3 includes blowback system (blowback system wind direction and flue gas stream Move contrary), and the toilet 32, cloth bag group 31 and the flue-dust retainer 33 that are arranged from top to bottom, the air inlet of bag filter group 3 Mouth is connected to cloth bag group 31 by pipeline, and 31 bottom of cloth bag group is connected to flue-dust retainer 33, is connected to toilet at the top of cloth bag group 31 32, toilet 32 is connected to air outlet by pipeline.Flue-dust retainer 33 is equipped with micro-burst motor 34, and the outlet of flue-dust retainer 33 is set There is miniature ash hoist 35, miniature ash hoist 35 is connected to auger ash hoist 36.
Desulphurization system include desulfurizing tower 5 and be set to after desulfurizing tower 5 circular regeneration pond 7;3 air outlet of bag filter group It is connected to 5 bottom of desulfurizing tower by pipeline, and the pipeline is equipped with air-introduced machine 4;Spray thrower 51, demister are equipped in desulfurizing tower 5 52 and spiral board 53.Four layers of spray thrower 51, demister 52, top layer spray thrower 51, top layer are set gradually in desulfurizing tower 5 from bottom to top Demister 52 and spiral board 53.5 outlet at bottom of desulfurizing tower is connected to circular regeneration pond 7 by desulfurization water pump 6, follow regenerative agent tank and Desulfurizing agent tank 8 is connected to circular regeneration pond 7 by pipeline.
The working process of the utility model is as follows: when flue gas enters cyclone dust collectors group 1, flue gas under the influence of centrifugal force In bulky grain got rid of on voltage regulator wall, be snapped down to flue-dust retainer along wall, the flue gas after separating bulky grain cools down through multi-pipe radiator 2 After enter in bag filter group 3, flue gas is introduced into cloth bag group 31, and when by cloth bag group 31, solid particle is adsorbed, instead It is contrary with flow of flue gas to blow system wind direction, blowback system then at regular intervals can be against flow of flue gas direction to cloth bag group 31 blow, and the solid particle being adsorbed in cloth bag group 31 enters in flue-dust retainer 33 (the solid come out from flue-dust retainer 33 Grain transports solid particle through miniature ash hoist 35 and auger ash hoist 36), flue gas then enters toilet 32 from cloth bag group 31, The flue gas come out from toilet 32 is entered in desulfurizing tower 5 by air outlet;Flue gas moves from bottom to top, sprays with by four layers Device 51 sprays that misty doctor solution is reversed, cross-contact, sufficiently combines, then the acid gas adsorption in high-temperature flue gas passes through Demister 52 adsorbs the vapor in flue gas;Flue gas continues up, and the misty doctor solution sprayed with top layer spray thrower 51 connects Touching, flue gas is further purified, and using top layer demister 52 by water vapor adsorption in flue gas, flue gas is continued up, Cooled down again after touching spiral board 53 to flue gas, the direction of motion of flue gas is redistributed, sprays it with atomization Leaching liquid comes into full contact with, and also the liquid such as water droplet in flue gas are blocked in tower, and the flue gas come out from 5 tower top of desulfurizing tower can be direct Discharge, the liquid come out from 5 tower bottom of desulfurizing tower can be recycled after circular regeneration pond 7 regenerates.

Claims (8)

1. a kind of limekiln flue-gas dust-removing and desulfurization system, including dust pelletizing system and desulphurization system, which is characterized in that dust pelletizing system packet Cyclone dust collectors group (1), radiator (2) and bag filter group (3) are included, the air inlet of cyclone dust collectors group (1) passes through pipeline It is connected to the exhanst gas outlet on limekiln top, the air outlet of cyclone dust collectors group (1) is connected to entering for radiator (2) by pipeline Mouthful, the outlet of radiator (2) is connected to the air inlet of bag filter group (3), the outlet air of bag filter group (3) by pipeline Mouth is connected to desulphurization system by pipeline.
2. flue-gas dust-removing and desulfurization system in limekiln according to claim 1, which is characterized in that the bag filter group It (3) include blowback system, and the toilet (32), cloth bag group (31) and the flue-dust retainer (33) that are arranged from top to bottom, bag-type dust The air inlet of device group (3) is connected to cloth bag group (31) by pipeline, and cloth bag group (31) bottom is connected to flue-dust retainer (33), cloth bag group (31) top is connected to toilet (32), and toilet (32) are connected to air outlet by pipeline.
3. flue-gas dust-removing and desulfurization system in limekiln according to claim 2, which is characterized in that blowback system wind direction and flue gas Flow direction is opposite.
4. flue-gas dust-removing and desulfurization system in limekiln according to claim 2, which is characterized in that flue-dust retainer (33) is equipped with micro- The outlet of type vibrating motor (34), flue-dust retainer (33) is equipped with miniature ash hoist (35), and miniature ash hoist (35) is connected to auger and goes out Grey machine (36).
5. flue-gas dust-removing and desulfurization system in limekiln according to claim 2, which is characterized in that the radiator (2) is more Tube radiator.
6. limekiln flue-gas dust-removing and desulfurization system described in -5 any claims according to claim 1, which is characterized in that described Desulphurization system includes desulfurizing tower (5) and the circular regeneration pond (7) that is set to after desulfurizing tower (5);Bag filter group (3) air outlet It is connected to desulfurizing tower (5) bottom by pipeline, and the pipeline is equipped with air-introduced machine (4);Spray thrower is equipped in desulfurizing tower (5) (51), demister (52) and spiral board (53).
7. flue-gas dust-removing and desulfurization system in limekiln according to claim 6, which is characterized in that in desulfurizing tower from bottom to top according to Secondary setting four layers of spray thrower (51), demister (52), top layer spray thrower (51), top layer demister (52) and spiral board (53).
8. flue-gas dust-removing and desulfurization system in limekiln according to claim 6, which is characterized in that desulfurizing tower (5) outlet at bottom It is connected to circular regeneration pond (7) by desulfurization water pump (6), regenerative agent tank and desulfurizing agent tank (8) are connected to by pipeline and are recycled again Raw pond (7).
CN201821019685.4U 2018-06-29 2018-06-29 Limekiln flue-gas dust-removing and desulfurization system Active CN208526176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821019685.4U CN208526176U (en) 2018-06-29 2018-06-29 Limekiln flue-gas dust-removing and desulfurization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821019685.4U CN208526176U (en) 2018-06-29 2018-06-29 Limekiln flue-gas dust-removing and desulfurization system

Publications (1)

Publication Number Publication Date
CN208526176U true CN208526176U (en) 2019-02-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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