CN216935461U

CN216935461U - Flue gas desulfurization dust removal white smoke eliminating integrated device

Info

Publication number: CN216935461U
Application number: CN202122569023.2U
Authority: CN
Inventors: 张效伟
Original assignee: Qingdao Tianzheng Clean Energy And Environmental Protection Technology Co ltd
Current assignee: Qingdao Tianzheng Clean Energy And Environmental Protection Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-07-12
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to a flue gas desulfurization, dust removal and white smoke elimination integrated device which comprises a purification tower and a heat exchanger connected with an outlet of the purification tower, wherein a purification smoke channel is arranged in the heat exchanger, a heat exchange tube is arranged in the purification smoke channel, flue gas to be heated is arranged in the heat exchange tube, the bottom of the purification tower is a desulfurization spraying area, a plurality of spraying pipelines are arranged in the desulfurization spraying area, adjacent spraying pipelines rotate for a certain angle until the spraying pipelines are uniformly arranged in the purification tower, a wet electrostatic dust collector is arranged at the top of the desulfurization spraying area, the wet electrostatic dust collector comprises an anode module and a cathode module, a module dust removal unit is arranged on the anode module, a dust removal spraying tube is arranged at the top of the wet electrostatic dust collector, and a smoke outlet tube is arranged at the top of the purification tower. The utility model prevents acid rain caused by air pollution by combining the desulfurization spraying area with the calculation in the industrial waste smoke.

Description

Flue gas desulfurization dust removal white smoke removing integrated device

Technical Field

The utility model belongs to the technical field of industrial waste smoke purification, and particularly relates to a smoke desulfurization, dust removal and white smoke elimination integrated device.

Background

Besides a large amount of sulfur dioxide, a large amount of fine particles are contained in flue gas generated by burning fossil fuels such as a coal-fired power plant, the flue gas can form acid rain, and the flue gas can form aerosol pollution at a smoke outlet of a chimney, so that the flue gas is one of important pioneers formed by severe weather such as dust haze, and the realization of ultra-clean dust removal of the desulfurized flue gas is a major urgency in the current atmosphere pollution control industry. In addition, the smoke discharged from the smoke discharge device is high in temperature and humidity, and is mixed with cold air after being discharged from a chimney, so that water vapor in the smoke is suddenly condensed to form white smoke, and visual pollution is easily caused particularly in winter, and the environment attractiveness is affected.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to overcome the above disadvantages, the present invention provides an integrated device for flue gas desulfurization, dust removal and white smoke elimination, so as to solve the above technical problems.

(II) technical scheme

In order to achieve the purpose, the technical scheme provided by the application is as follows:

an integrated device for desulfurizing, dedusting and eliminating white smoke of flue gas comprises a purifying tower and a heat exchanger connected with the outlet of the purifying tower, a purified smoke channel is arranged in the heat exchanger, a heat exchange tube is arranged in the purified smoke channel, the heat exchange tube is internally provided with smoke to be heated, the bottom of the purification tower is a desulfurization spraying area, a plurality of spraying pipelines are arranged in the desulfurization spraying area, adjacent spraying pipelines are arranged in a staggered mode and are uniformly installed in the purification tower, the top of the desulfurization spraying area is provided with a wet electrostatic dust collector which comprises an anode module and a cathode module, the anode module is provided with a module dust removal unit, the top of the wet electrostatic dust collector is provided with a dust removal spray pipe, the top of the purification tower is provided with a smoke outlet pipe, the smoke outlet pipe is connected with an inlet of the purification smoke channel, and a dehumidifier is arranged on the smoke outlet pipe.

Preferably, the heat exchange tube is one of a finned tube, a threaded tube or a corrugated tube.

Preferably, the module dust removal unit comprises a module dust removal plate, the module dust removal plate is provided with a plurality of dust removal holes corresponding to the anode tubes in the anode module, the dust removal holes are internally provided with dust removal brushes, and the module dust removal plate can move up and down in the anode module under the action of the lifting driver.

Preferably, the smoke outlet pipe is divided into an upper smoke outlet pipe and a lower smoke outlet pipe, a dehumidification port is formed between the upper smoke outlet pipe and the lower smoke outlet pipe, the dehumidifier comprises a rotating shaft, a plurality of moisture absorption heads are uniformly arranged on the rotating shaft, a plurality of layers of moisture absorption cotton are arranged in the moisture absorption heads, the upper smoke outlet pipe and the lower smoke outlet pipe are connected in a sealing mode through the moisture absorption heads, and the bottom of the rotating shaft is connected with the rotating motor.

Preferably, the outlet of the purified smoke channel is connected with a chimney.

Preferably, a plurality of atomizing nozzles are uniformly arranged on the spraying pipeline.

Has the advantages that:

the desulfurization spraying area is arranged to be combined with acid in the industrial waste smoke, so that acid rain caused by air pollution is prevented; by arranging the wet electrostatic dust collector, dust in industrial waste smoke is removed, and the weather of haze is prevented; the dehumidifier and the heat exchanger can prevent the white smoke from occurring in the smoke.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural view of the upper end of the purification tower of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings 1-2 in conjunction with the detailed description below. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model provides a flue gas desulfurization, dust removal and white smoke elimination integrated device which comprises a purification tower 5 and a heat exchanger 9 connected with a smoke outlet pipe at the top of the purification tower 5, wherein a purification smoke channel is arranged in the heat exchanger 9, a heat exchange pipe 8 is arranged in the purification smoke channel, the heat exchange pipe 8 is one of a finned pipe, a threaded pipe or a corrugated pipe, the contact area is increased, the efficiency is improved, flue gas to be heated is arranged in the heat exchange pipe 8, and the outlet of the purification smoke channel is connected with a chimney 10. The industrial waste smoke after purification enters the purification smoke channel to contact with the smoke to be heated in the heat exchange tube 8 for heat exchange, the temperature of the purified smoke is further reduced, and the phenomenon of white smoke is avoided.

The bottom of purifying tower 5 sprays the district for the desulfurization, the desulfurization sprays and is equipped with several spray line 7 in the district, crisscross setting and even installation in purifying tower 5 between the adjacent spray line 7, evenly be equipped with several atomizing nozzle 6 on the spray line 7, increased the area that sprays of desulfurization water for spray line 7 sprays the district with the even whole desulfurization that is covered with of desulfurization water, thoroughly carries out desulfurization treatment with industry exhaust fume.

The top in desulfurization spraying district is equipped with wet electrostatic precipitator, wet electrostatic precipitator includes positive pole module 3 and negative pole module 2, be equipped with module dust removal unit 4 on the positive pole module 3, module dust removal unit 4 includes module dust removal board 17, be equipped with the corresponding dust removal hole 16 of several and positive pole 15 in the positive pole module 3 on the module dust removal board 17, be equipped with the dust removal brush in the dust removal hole 16, module dust removal board 17 realizes reciprocating in positive pole module 3 under lift driver's effect. The wet electrostatic precipitator is provided with a guide rail, the module dust removing plate is lifted and moved on the guide rail, the module dust removing plate is meshed with a driving threaded shaft, the top of the wet electrostatic precipitator is provided with a dust removing spray pipe 1, and the dust removing spray pipe 1 washes away dust attached to the anode pipe 15. When the industrial waste smoke is purified, the module dust removal plate 17 is arranged at the bottom of the anode module 3, and the industrial waste smoke enters the wet electrostatic dust collector from the dust removal hole 16 for dust removal. When needs clear up positive pole module 3, driving motor drives the rotation of drive threaded shaft for the continuous lift of module dust removal board 17, thereby make the dust removal brush clear up the dust on positive pole pipe 15, prevent that positive pole pipe 15 from causing the dust adhesion because of long-time work, influencing dust removal effect.

The top of purifying tower is equipped with out the tobacco pipe, it is connected with the entry of purification cigarette passageway to go out the tobacco pipe, it is equipped with dehumidifier 11 on the tobacco pipe to go out, it divide into to go out tobacco pipe 19 and lower tobacco pipe 18 to go out the tobacco pipe, it is equipped with the dehumidification mouth to go up to go out between tobacco pipe 19 and the lower tobacco pipe 18, dehumidifier 11 includes rotation axis 12, evenly be equipped with several hygroscopic head 13 on the rotation axis 12, be equipped with the multilayer hygroscopic cotton in the hygroscopic head 13, hygroscopic head 13 will go up tobacco pipe 19 and lower tobacco pipe 18 sealing connection, the bottom of rotation axis 12 is connected with rotating electrical machines 14. After setting up the wet end 13 in the dehumidification mouth and using a period, rotating electrical machines 14 drive rotation axis 12 rotates to make next wet end 13 get into and carry out work in the dehumidification mouth, used wet end 13 is dried after a period, and back rotating electrical machines will just be rotatory to the outside at the wet end of the interior operation of dehumidification mouth, and the wet end that will dry simultaneously is rotatory to the dehumidification in the mouth.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A flue gas desulfurization, dust removal and white smoke elimination integrated device is characterized by comprising a purification tower and a heat exchanger connected with the outlet of the purification tower, a purified smoke channel is arranged in the heat exchanger, a heat exchange tube is arranged in the purified smoke channel, the heat exchange tube is internally provided with smoke to be heated, the bottom of the purification tower is a desulfurization spraying area, a plurality of spraying pipelines are arranged in the desulfurization spraying area, adjacent spraying pipelines are arranged in a staggered manner and are uniformly arranged in the purification tower, the top of the desulfurization spraying area is provided with a wet electrostatic dust collector which comprises an anode module and a cathode module, the anode module is provided with a module dust removal unit, the top of the wet electrostatic precipitator is provided with a dust removal spray pipe, the top of the purification tower is provided with a smoke outlet pipe, the smoke outlet pipe is connected with an inlet of the purification smoke channel, and a dehumidifier is arranged on the smoke outlet pipe.

2. The integrated device for flue gas desulfurization, dust removal and white smoke elimination as claimed in claim 1, wherein the heat exchange tube is one of a finned tube, a threaded tube or a corrugated tube.

3. The integrated device for flue gas desulfurization, dust removal and white smoke abatement of claim 1, wherein the module dust removal unit comprises a module dust removal plate, the module dust removal plate is provided with a plurality of dust removal holes corresponding to the anode tubes in the anode module, the dust removal holes are internally provided with dust removal brushes, and the module dust removal plate moves up and down in the anode module under the action of the lifting driver.

4. The integrated device for desulfurization, dust removal and white smoke elimination of flue gas as claimed in claim 1, wherein the smoke outlet pipes are divided into an upper smoke outlet pipe and a lower smoke outlet pipe, a dehumidification port is arranged between the upper smoke outlet pipe and the lower smoke outlet pipe, the dehumidifier comprises a rotating shaft, a plurality of moisture absorption heads are uniformly arranged on the rotating shaft, a plurality of layers of absorbent cotton are arranged in the moisture absorption heads, the moisture absorption heads hermetically connect the upper smoke outlet pipe and the lower smoke outlet pipe, and the bottom of the rotating shaft is connected with a rotating motor.

5. The integrated device for flue gas desulfurization, dust removal and white smoke elimination as claimed in claim 1, wherein an outlet of the purified smoke channel is connected with a chimney.

6. The integrated device for flue gas desulfurization, dust removal and white smoke abatement of claim 1, wherein a plurality of atomizing nozzles are uniformly arranged on the spraying pipeline.