CN101564641B - Sprinkling optimization liquid column tower - Google Patents
Sprinkling optimization liquid column tower Download PDFInfo
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- CN101564641B CN101564641B CN2009101039900A CN200910103990A CN101564641B CN 101564641 B CN101564641 B CN 101564641B CN 2009101039900 A CN2009101039900 A CN 2009101039900A CN 200910103990 A CN200910103990 A CN 200910103990A CN 101564641 B CN101564641 B CN 101564641B
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Abstract
The invention discloses a sprinkling optimization liquid column tower, comprising a tower body, a fume outlet on the tower body, a slurry pool for housing the desulfurization scrubber on the bottom ofthe tower body, a sprinkler pipe horizontally set below the fume outlet in the tower body and communicated with the slurry pool, a plurality of nozzles in upward spraying direction on the sprinkler p ipe; a fume inlet on the tower body below the sprinkler pipe and a flow equalization board for adjusting the spraying height of the desulfurization scrubber in the sprinkler pipe, wherein the flow equalization board is set correspondingly with the nozzles on the outer surface of the sprinkler pipe. The flow equalization board corresponding with the outer nozzles is set in the sprinkler and eliminates the affect of the inconsistent spraying heights of the nozzles on the desulfurization efficiency. The sprinkling optimization liquid column tower has simple structure and low preparation cost and effectively increases the desulfurization efficiency.
Description
Technical field
The present invention relates to the flue gas desulfurization device field, particularly a kind of liquid column tower of sprinkling optimization.
Background technology
It is the country of main energy sources with coal that China is one, and coal fired power generation is one of most important approach of coal in China utilization.According to the national conditions of China, 21st century coal fired power generation will occupy an leading position.In numerous atmosphere pollutions of coal-fired fired power generating unit discharging, SO
2And dust is bigger to the harm of environment, is the major pollutants that will control.Along with the progress and the expanding economy of society, thermal power plant has received people's common concern to the pollution of atmospheric environment, and therefore effectively reducing pollutant emission is the severe challenge that China's energy field sustainable development is faced with the influence that improves environment.
At present, existing flue gas desulfurization technique comprises wet desulphurization and dry desulfurization etc.Wherein the utilization of wet desulphurization technology is the most extensive.Wet process of FGD is the technological process that current 85% left and right sides large thermal power plant in the world adopts.And liquid column tower is the key core equipment of fluid column wet process of FGD, and it has simple in structure, and maintenance is easy, and liquid-column height is adjustable, and the advantage of operation maintenance aspect is adopted by a lot of power plant.The principle of liquid column tower wet flue gas is to utilize the lime stone alkaline slurry to spray from bottom to top, and flue gas flows from bottom to top, and the lime stone slurry fluid column absorbs the SO in the flue gas in the process that rises and fall
2, reach the SO that removes in the flue gas
2Purpose.
Liquid column tower wet process of FGD technology has simple in structure, and maintenance is easy, the advantage of operation maintenance aspect, but its design is relatively complicated, particularly in order to reach the SO that evenly removes in the flue gas
2, require the slurries jetting height of each nozzle consistent, its design difficulty is very high.In order to reach the purpose that makes each nozzle ejection slurries height consistent, method commonly used now is that the mode that pipe design becomes caliber to reduce gradually to outlet from import is reached nozzle ejection height unanimity.But existing shower designs and makes with upper type as adopting because its caliber is less, and its difficulty is bigger, and cost is higher.
Summary of the invention
In view of this, the invention provides a kind of liquid column tower of sprinkling optimization,, eliminated the inconsistent influence of nozzle ejection height desulfuration efficiency through at shower set inside homogenizing plate.
The objective of the invention is to realize through following technical scheme:
The liquid column tower of this sprinkling optimization comprises body of the tower, and said body of the tower is provided with exhanst gas outlet, and the bottom of said body of the tower is provided with the slurries pond that is used to hold the desulfurization cleaning solution; Said body of the tower inner transverse is provided with shower, and said shower is positioned at the below of exhanst gas outlet and is connected with the slurries pond through circulating pump, and said shower is provided with a plurality of injection directions nozzle up; Also be provided with smoke inlet on the said body of the tower; Said smoke inlet is positioned at the below of shower; The shower set inside of said nozzle is useful on the homogenizing plate of regulating desulfurization spraying cleaning solution height, said homogenizing plate and the corresponding setting of nozzle on the shower outer surface, and said homogenizing plate is a multi-segment structure; Along the feed liquor direction of the shower of nozzle, the staged that vertically highly is of said each section of homogenizing plate raises gradually;
Further, said nozzle axially evenly distributing along shower;
Further, along the feed liquor direction of the shower of nozzle, the span of the angle between said homogenizing plate and the shower axis is 10 °～75 °;
Further, said slurries pond also is provided with the slurries stirring system, and said slurries stirring system comprises that being arranged on the inner drive motors in slurries pond starches with rotation, and said rotation slurry connects with the drive motors axle;
Further, also comprise demister, said demister is arranged between exhanst gas outlet and the shower;
Further, said exhanst gas outlet is provided with flue gas flow monitoring device I and smoke components sniffer I;
Further, said smoke inlet place is provided with flue gas flow monitoring device II and smoke components sniffer II;
Further, the angle between said homogenizing plate and the shower axis is 30 °.
The invention has the beneficial effects as follows:
Through at jet pipe set inside and the corresponding homogenizing plate of external nozzles; Eliminated in the jet pipe because the inconsistent problem of the inconsistent jetting height that causes of each point pressure; Avoided simultaneously because the inconsistent influence to desulfuration efficiency of nozzle ejection height can reach the SO that evenly removes in the flue gas
2Purpose, overcome and adopted parts that traditional approach caused to be difficult to a difficult problem that designs and prepare, the present invention is simple in structure, preparation cost is low, can improve desulfuration efficiency effectively.
Other advantages of the present invention, target; To in specification subsequently, set forth to a certain extent with characteristic; And to a certain extent,, perhaps can from practice of the present invention, obtain instruction based on being conspicuous to those skilled in the art to investigating of hereinafter.Target of the present invention and other advantages can realize and obtain through following specification and claims.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below, wherein:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the homogenizing plate of embodiments of the invention one is arranged sketch map;
Fig. 3 is that the homogenizing plate of embodiments of the invention two is arranged sketch map.
The specific embodiment
Below will carry out detailed description to the preferred embodiments of the present invention with reference to accompanying drawing.Should be appreciated that preferred embodiment has been merely explanation the present invention, rather than in order to limit protection scope of the present invention.
The 1-body of the tower; The 2-exhanst gas outlet; 3-slurries pond; The 4-shower; The 5-circulating pump; The 6-nozzle; The 7-smoke inlet; The 8-homogenizing plate; The 9-drive motors; 10-rotates slurry; The 11-demister; 12-flue gas flow monitoring device I; 13-smoke components sniffer I; 14-flue gas flow monitoring device II; 15-smoke components sniffer II.
Embodiment one
Like Fig. 1, (direction shown in the arrow is the flow of flue gas direction among Fig. 1) shown in Figure 2, the liquid column tower of sprinkling optimization of the present invention comprises body of the tower 1, and body of the tower 1 is provided with exhanst gas outlet 2, and the bottom of body of the tower 1 is provided with the slurries pond 3 that is used to hold the desulfurization cleaning solution; Body of the tower 1 inner transverse is provided with shower 4, and shower 4 is positioned at the below of exhanst gas outlet 2 and is connected with slurries pond 3 through circulating pump 5, and shower 4 is provided with a plurality of injection directions nozzle 6 up, and nozzle 6 axially evenly distributes along shower 4; Also be provided with smoke inlet 7 on the body of the tower 1; Smoke inlet 7 is positioned at the below of shower 4, and the set inside of shower 4 is useful on the homogenizing plate 8 of regulating desulfurization spraying cleaning solution height, and homogenizing plate 8 is obliquely installed below nozzle 6; Feed liquor direction along the shower 4 of nozzle 6 belows; Vertically raising highly gradually of homogenizing plate 8, and have angle between homogenizing plate 8 and shower 4 axis, the span of angle is 10 °～75 °.In the present embodiment, angle is 30 °.
For avoiding the material in the slurries pond 3 to take place fixed; Be unfavorable for carrying out smoothly of desulfurization; Inside in slurries pond 3 also is provided with the slurries stirring system, and the slurries stirring system comprises and be arranged on inner drive motors in slurries pond 39 and rotation slurry 10, and rotation slurry 10 connects with 9 of drive motors.
Be the flue gas water content after the minimizing desulfurization, present embodiment also is provided with demister 11 between exhanst gas outlet 2 and shower 4, and demister 11 adopts corrugated demister.
Be provided with flue gas flow monitoring device I 12 and smoke components sniffer I 13 at exhanst gas outlet 2 places.Be provided with flue gas flow monitoring device II 14 and smoke components sniffer II 15 at smoke inlet 7 places; Be used for monitoring SO2 concentration; According to the calcium sulfur molecule than be 1.03, the ratio of sulphur and oxygen molecule is 2, the oxidation air excess coefficient is 1.9～3 principle, through external control device real-time regulated lime stone slurry straying quatity and oxidation air amount.
The present invention in use; Through homogenizing plate 8; Can reduce because the influence that pressure differential caused the diverse location nozzle; Make from the jetting height of the origin or beginning of shower to terminal distributed nozzle to be consistent, thereby improved desulfuration efficiency, alleviated the difficulty that device is produced and made simultaneously.
Embodiment two
As shown in Figure 3; Embodiment two is with the difference of embodiment one; Homogenizing plate 8 adopts multi-segment structure (shown in the dotted line among Fig. 3 separates; The homogenizing plate of present embodiment has been divided into four sections), along the feed liquor direction of the shower 4 of nozzle 6 belows, the staged that vertically highly is of homogenizing plate 8 each sections raises gradually.The benefit of this mode is, because it adopts the multi-segment structure design according to pressure differential to homogenizing plate, changes the influence to the nozzle ejection height thereby alleviated pressure better.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of present technique scheme, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. the liquid column tower of sprinkling optimization comprises body of the tower (1), and said body of the tower (1) is provided with exhanst gas outlet (2), and the bottom of said body of the tower (1) is provided with the slurries pond (3) that is used to hold the desulfurization cleaning solution; Said body of the tower (1) inner transverse is provided with shower (4), and said shower (4) is positioned at the below of exhanst gas outlet (2) and is connected with slurries pond (3) through circulating pump (5), and said shower (4) is provided with a plurality of injection directions nozzle (6) up; Also be provided with smoke inlet (7) on the said body of the tower (1); Said smoke inlet (7) is positioned at the below of shower (4); It is characterized in that: shower (4) set inside of said nozzle (6) below is useful on the homogenizing plate (8) of regulating desulfurization spraying cleaning solution height; The corresponding setting of nozzle (6) on said homogenizing plate (8) and shower (4) outer surface; Said homogenizing plate (8) is a multi-segment structure, and along the feed liquor direction of the shower (4) of nozzle (6) below, the staged that vertically highly is of each section of said homogenizing plate (8) raises gradually.
2. the liquid column tower of sprinkling optimization according to claim 1 is characterized in that: said nozzle (6) axially evenly distributes along shower (4).
3. the liquid column tower of sprinkling optimization according to claim 2; It is characterized in that: said slurries pond (3) also is provided with the slurries stirring system; Said slurries stirring system comprises drive motors (9) and the rotation slurry (10) that is arranged on inside, slurries pond (3), and said rotation slurry (10) connects with drive motors (9) axle.
4. the liquid column tower of sprinkling optimization according to claim 3, it is characterized in that: also comprise demister (11), said demister (11) is arranged between exhanst gas outlet (2) and the shower (4).
5. the liquid column tower of sprinkling optimization according to claim 4, it is characterized in that: said exhanst gas outlet (2) is provided with flue gas flow monitoring device I (12) and smoke components sniffer I (13).
6. the liquid column tower of sprinkling optimization according to claim 5, it is characterized in that: said smoke inlet (7) locates to be provided with flue gas flow monitoring device II (14) and smoke components sniffer II (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101039900A CN101564641B (en) | 2009-05-31 | 2009-05-31 | Sprinkling optimization liquid column tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101039900A CN101564641B (en) | 2009-05-31 | 2009-05-31 | Sprinkling optimization liquid column tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101564641A CN101564641A (en) | 2009-10-28 |
| CN101564641B true CN101564641B (en) | 2012-02-22 |
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| CN2009101039900A Active CN101564641B (en) | 2009-05-31 | 2009-05-31 | Sprinkling optimization liquid column tower |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579396A (en) * | 2018-07-10 | 2018-09-28 | 华润电力焦作有限公司 | A kind of device and method of flue gas desulfurization |
| CN110885123A (en) * | 2019-12-02 | 2020-03-17 | 怀化恒一颜料化学有限公司 | Efficient treatment equipment for quinacridone production wastewater |
| CN113042444B (en) * | 2021-04-07 | 2023-03-17 | 重庆大学 | Spray assembly of high-pressure water descaling device for forged pieces |
| CN113000752B (en) * | 2021-04-08 | 2022-11-08 | 重庆大学 | High-pressure water descaling device and method for forge piece |
| CN114522528B (en) * | 2022-02-23 | 2022-12-27 | 苏州华益洁环境能源技术有限公司 | Kitchen waste odor removal process |
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