CN105664699B - A kind of desulfurizing tower with miniature wet scrubber - Google Patents

A kind of desulfurizing tower with miniature wet scrubber Download PDF

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Publication number
CN105664699B
CN105664699B CN201511027469.5A CN201511027469A CN105664699B CN 105664699 B CN105664699 B CN 105664699B CN 201511027469 A CN201511027469 A CN 201511027469A CN 105664699 B CN105664699 B CN 105664699B
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China
Prior art keywords
desulfurizing tower
wet scrubber
miniature
tower
spray device
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CN201511027469.5A
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Chinese (zh)
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CN105664699A (en
Inventor
孙洪志
白雪
于宏元
马平川
张维启
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HARBIN WEILAN ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co Ltd
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HARBIN WEILAN ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co Ltd
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Priority to CN201511027469.5A priority Critical patent/CN105664699B/en
Publication of CN105664699A publication Critical patent/CN105664699A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/79Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/60Simultaneously removing sulfur oxides and nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2247/00Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D2247/10Means for removing the washing fluid dispersed in the gas or vapours
    • B01D2247/106Means for removing the washing fluid dispersed in the gas or vapours using a structured demister, e.g. tortuous channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/12Methods and means for introducing reactants
    • B01D2259/124Liquid reactants

Abstract

A kind of desulfurizing tower with miniature wet scrubber, belongs to desulphurization plant technical field.Existing flue gas desulfurization and denitrification device generally existing flue dust wetting effect is poor, can not be realized in tower from rinsing in order to solve by the present invention, goes out tower flue gas dust content in 120mg/m3More than the problem of.Three groups are vertically disposed with from rinse spray device in the middle part of the desulfurizing tower of the present invention, and every group is connected from rinse spray device by spray pipeline with water tank, and water pump is provided on spray pipeline, electromagnetism on-off valve is provided on water pump;Miniature wet scrubber is located at three groups from the lower section of rinse spray device, several lightning class deflector horizontal alignments arrangement of miniature wet scrubber, and pass through mounting frame and be fixed in desulfurizing tower, gas channel is formed between two adjacent lightning class deflectors, minitype nozzle is provided on lightning class deflector.Flue dust wetting effect of the present invention is good, goes out tower flue gas dust content in 50mg/m3Within, realize desulfurizing tower from pre-washing function.

Description

A kind of desulfurizing tower with miniature wet scrubber
Technical field
The present invention relates to a kind of desulfurizers, and in particular to a kind of desulfurizing tower with miniature wet scrubber belongs to de- Sulphur denitration device technical field.
Background technology
Exhaust gas after the coal combustion of traditional coal-fired power plant is being close to or up to discharge mark by dedusting and desulphurization denitration Standard is even also below standard to be just directly discharged into flue gas in air, includes sulfur dioxide, nitrogen dioxide, one in the gas of discharge The tiny solids impurity dust such as the pernicious gases such as nitrogen oxide and the small flyash of light specific gravity, particle.These sulfur dioxide, nitrogen oxidation Object and tiny particles content are exactly to form the main assailant of haze, and the health that can greatly influence resident even threatens life, mesh Although preceding flue gas desulfurization and denitrification device eliminates the pernicious gas and solid particle contained in coal-fired flue-gas to a certain extent, But eradicating efficacy is not notable enough, still needs to improve, in addition existing flue gas desulfurization and denitrification device generally existing flue dust wetting effect it is poor, It can not be realized in tower from rinsing, go out tower flue gas dust content in 120mg/m3More than, and there are it is complicated, investment cost is high, Operating cost is high, the drawbacks of taking up a large area.
It would therefore be highly desirable to design, a kind of flue dust wetting effect is good, realizes in tower from rinsing, and reduces out tower flue gas dust content Desulfurizer.
The content of the invention
The brief overview on the present invention is given below, in order to provide on the basic of certain aspects of the invention Understand.It should be appreciated that this general introduction is not the exhaustive general introduction on the present invention.It is not intended to determine the pass of the present invention Key or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form, In this, as the preamble in greater detail discussed later.
In consideration of it, the present invention provides a kind of desulfurizing tower with miniature wet scrubber, at least to solve existing cigarette Desulfurization denitrification apparatus generally existing flue dust wetting effect is poor, can not be realized in tower from rinsing, and goes out tower flue gas dust content and exists 120mg/m3More than the problem of.
According to an aspect of the invention, there is provided a kind of desulfurizing tower with miniature wet scrubber, including dry type or Wet scrubber, air-introduced machine, flue and desulfurizing tower;A kind of desulfurizing tower with miniature wet scrubber further includes miniature wet Formula deduster and three groups are from rinse spray device;The dry type or wet scrubber and desulfurizing tower are arranged in juxtaposition from left to right, dry type Or gas inlet is provided on the side wall of wet scrubber, exhanst gas outlet, cigarette are provided on the roof of dry type or wet scrubber Gas outlet is connected by the input end of flue and air-introduced machine, and the port of export of air-introduced machine is connected by the lower part of induced duct and desulfurizing tower It is logical, three groups are vertically disposed in the middle part of desulfurizing tower from rinse spray device, every group passes through spray pipeline and water from rinse spray device Case connects, and is provided with water pump on spray pipeline, electromagnetism on-off valve is provided on water pump;The miniature wet scrubber is located at three Group includes mounting frame, several minitype nozzles and several lightning classes from the lower section of rinse spray device, miniature wet scrubber Deflector, the arrangement of several lightning class deflector horizontal alignments, and pass through mounting frame and be fixed in desulfurizing tower, adjacent two Gas channel is formed between lightning class deflector, minitype nozzle is provided on lightning class deflector.
Using lightning class deflector and minitype nozzle so that hydrone and the sulfur dioxide and nitrogen oxides molecule in flue gas Reaction is more abundant, and flue dust wetting effect is good, goes out tower flue gas dust content in 50mg/m3Within.It is realized using from rinse spray device Desulfurizing tower from pre-washing function.
Further:A kind of desulfurizing tower with miniature wet scrubber further includes PLC controller, the air inducing Mechanical, electrical magnetic on-off valve is connected with PLC controller.So set, convenient for automatically controlling, reduction labor intensity, while significantly Ground improves work efficiency.
Further:A kind of desulfurizing tower with miniature wet scrubber further includes demister, and the demister is put In in desulfurizing tower and positioned at from the top of rinse spray device.So set, realize defrosting function.
Further:The demister includes frame and several broken line type demisting plates, several broken line type demisting plate water Flat laid out in parallel, and pass through frame and be fixed in desulfurizing tower.So set, defogging effect is good.
The effect that a kind of desulfurizing tower with miniature wet scrubber proposed by the present invention is reached is:It is led using lightning class Flowing plate and minitype nozzle so that hydrone and the sulfur dioxide in flue gas and the reaction of nitrogen oxides molecule are more abundant, flue dust wetting Effect is good, goes out tower flue gas dust content in 50mg/m3Within.Using the flushing work(certainly that desulfurizing tower is realized from rinse spray device Energy.It also has the following advantages that simultaneously:
1st, investment cost it is low, 2, operating cost it is low;3rd, floor space is small;4th, it is simple in structure and easy to use;5th, using PLC It automatically controls, high degree of automation;6th, energy utilization rate is high;7th, equipment failure rate is low;8th, cleaning ambient;9th, it is strong to reduce work Degree.
Description of the drawings
Fig. 1 is a kind of structure chart of desulfurizing tower with miniature wet scrubber according to an embodiment of the invention;
Fig. 2 is a kind of control block diagram of desulfurizing tower with miniature wet scrubber according to an embodiment of the invention;
Fig. 3 is the partial enlarged view of miniature wet scrubber according to an embodiment of the invention;
Fig. 4 is the partial enlarged view of demister according to an embodiment of the invention;
In figure:1- dry types or wet scrubber;2- air-introduced machines;3- flues;4- desulfurizing towers;The miniature wet scrubbers of 5-;6- From rinse spray device;7- demisters;8- gas inlets;9- exhanst gas outlets;10- induced ducts;11- spray pipelines;12- water tanks;13- Water pump;14- electromagnetism on-off valves;15- mounting frame;16- minitype nozzles;17- lightning class deflectors;18-PLC controllers;19- Broken line type demisting plate;20- frames.
Specific embodiment
The exemplary embodiment of the present invention is described hereinafter in connection with attached drawing.For clarity and conciseness, All features of actual implementation mode are not described in the description.It should be understood, however, that developing any this actual implementation It must be made during example much specific to the decision of embodiment, to realize the objectives of developer, for example, symbol Conjunction and system and those relevant restrictive conditions of business, and these restrictive conditions may have with the difference of embodiment Changed.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from the present invention For those skilled in the art of disclosure, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid because having obscured the present invention during unnecessary details, in the accompanying drawings The apparatus structure closely related with scheme according to the present invention and/or processing step are illustrate only, and is omitted and the present invention The little other details of relation.
As shown in Figures 1 to 4, the embodiment provides a kind of desulfurizing tower with miniature wet scrubber, bags Include dry type or wet scrubber 1, air-introduced machine 2, flue 3 and desulfurizing tower 4;A kind of desulfurizing tower with miniature wet scrubber Miniature wet scrubber 5 and three groups are further included from rinse spray device 6;The dry type or wet scrubber 1 and desulfurizing tower 4 by it is left extremely The right side is arranged in juxtaposition, and is provided with gas inlet 8 on the side wall of dry type or wet scrubber 1, on the roof of dry type or wet scrubber 1 Exhanst gas outlet 9 is provided with, exhanst gas outlet 9 is connected by flue 3 with the input end of air-introduced machine 2, and the port of export of air-introduced machine 2 is by drawing Air hose 10 is connected with the lower part of desulfurizing tower 4, and the middle part of desulfurizing tower 4 is vertically disposed with three groups from rinse spray device 6, and every group is rinsed certainly Spray thrower 6 is connected by spray pipeline 11 with water tank 12, and water pump 13 is provided on spray pipeline 11, electricity is provided on water pump 13 Magnetic on-off valve 14;The miniature wet scrubber 5 is located at three groups from the lower section of rinse spray device 6, and miniature wet scrubber 5 wraps Mounting frame 15, several minitype nozzles 16 and several lightning class deflectors 17 are included, several lightning class deflectors 17 are horizontal Laid out in parallel, and pass through mounting frame 15 and be fixed in desulfurizing tower 4, air-flow is formed between adjacent two lightning class deflectors 17 and is led to Road is provided with minitype nozzle 16 on lightning class deflector 17.
Using lightning class deflector 17 and minitype nozzle 16 so that hydrone and the sulfur dioxide and nitrogen oxides in flue gas Molecule reaction is more abundant, and flue dust wetting effect is good, goes out tower flue gas dust content in 50mg/m3Within.Using from rinse spray device 6 Realize desulfurizing tower from pre-washing function.
In particular:A kind of desulfurizing tower with miniature wet scrubber further includes PLC controller 18, the air inducing Machine 2, electromagnetism on-off valve 14 are connected with PLC controller 18.So set, convenient for automatically controlling, labor intensity is reduced, simultaneously Greatly increase work efficiency.
In particular:A kind of desulfurizing tower with miniature wet scrubber further includes demister 7, the demister 7 It is placed in desulfurizing tower 4 and is located at from the top of rinse spray device 6.So set, realize defrosting function.
In particular:The demister 7 includes frame 20 and several broken line type demisting plates 19, several broken line type demistings 19 horizontal alignment of plate is arranged, and is passed through frame 20 and be fixed in desulfurizing tower 4.So set, defogging effect is good.
After dry type or wet scrubber enter air-introduced machine, underproof ash-laden gas enters micro- in desulfurizing tower boiler smoke Type wet dust separater (hundreds of wet scrubbers), ash-laden gas substantially improve flue dust wetting effect, tower through urging wet technology Inside possess the wettability effect for from pre-washing function, enhancing small soot dust granule object significantly, settled dust-laden particulate matter, reached The purifying smoke of discharge standard is discharged into chimney and enters air through tower outlet (goes out tower flue gas dust content stabilization in 50mg/m3With It is interior).
Although disclosed embodiment is as above, its content is only to facilitate understand the technical side of the present invention Case and the embodiment used, are not intended to limit the present invention.Any those skilled in the art to which this invention pertains, not On the premise of departing from disclosed core technology scheme, any modification and change can be made in form and details in implementation Change, but the protection domain that the present invention is limited, the scope that the appended claims that must still be subject to limits.

Claims (3)

1. a kind of desulfurizing tower with miniature wet scrubber, including dry type or wet scrubber (1), air-introduced machine (2), flue (3) and desulfurizing tower (4);It is characterized in that:A kind of desulfurizing tower with miniature wet scrubber further includes miniature wet type and removes Dirt device (5) and three groups are from rinse spray device (6);The dry type or wet scrubber (1) and desulfurizing tower (4) cloth arranged side by side from left to right It puts, is provided with gas inlet (8) on the side wall of dry type or wet scrubber (1), set on the roof of dry type or wet scrubber (1) Exhanst gas outlet (9) is equipped with, exhanst gas outlet (9) is connected by flue (3) with the input end of air-introduced machine (2), the outlet of air-introduced machine (2) End is connected by induced duct (10) with the lower part of desulfurizing tower (4), and three groups are vertically disposed in the middle part of desulfurizing tower (4) from rinse spray Device (6), every group is connected from rinse spray device (6) by spray pipeline (11) with water tank (12), and spray pipeline is set on (11) There is water pump (13), electromagnetism on-off valve (14) is provided on water pump (13);The miniature wet scrubber (5) is located at three groups from punching The lower section of washing and spraying device (6), miniature wet scrubber (5) include mounting frame (15), several minitype nozzles (16) and several A lightning class deflector (17), the arrangement of several lightning class deflector (17) horizontal alignments, and it is fixed to pass through mounting frame (15) In desulfurizing tower (4), gas channel is formed between two adjacent lightning class deflectors (17), lightning class deflector is set on (17) There is minitype nozzle (16);The air-introduced machine, electromagnetism on-off valve are connected with PLC controller.
2. a kind of desulfurizing tower with miniature wet scrubber according to claim 1, it is characterised in that:A kind of band The desulfurizing tower for having miniature wet scrubber further includes demister (7), and the demister (7) is placed in desulfurizing tower (4) and positioned at certainly The top of rinse spray device (6).
3. a kind of desulfurizing tower with miniature wet scrubber according to claim 2, it is characterised in that:The demister (7) frame (20) and several broken line type demisting plates (19) are included, several broken line type demisting plate (19) horizontal alignments are arranged, and It is fixed on by frame (20) in desulfurizing tower (4).
CN201511027469.5A 2015-12-31 2015-12-31 A kind of desulfurizing tower with miniature wet scrubber Active CN105664699B (en)

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Application Number Priority Date Filing Date Title
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CN105664699B true CN105664699B (en) 2018-06-05

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2500375Y (en) * 2001-10-09 2002-07-17 山东电力设备厂 Compound desulfurizing dusting unit
CN103191636B (en) * 2013-03-21 2015-01-07 北京中冶设备研究设计总院有限公司 Desulfurizing tower device
CN204107317U (en) * 2014-07-30 2015-01-21 山西易通环保技术有限公司 A kind of multiple-effect gas cleaning absorption tower
CN104857835B (en) * 2015-06-05 2016-08-17 北京中晶环境科技股份有限公司 Flue gas integrated treatment unit and method
CN105126564B (en) * 2015-08-26 2018-07-24 北京国能中电节能环保技术有限责任公司 The method and apparatus of flue gas and desulfurizing and denitrifying

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