CN201454363U - Two-phase rectification flue gas desulfurization absorption tower - Google Patents
Two-phase rectification flue gas desulfurization absorption tower Download PDFInfo
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- CN201454363U CN201454363U CN2009201284683U CN200920128468U CN201454363U CN 201454363 U CN201454363 U CN 201454363U CN 2009201284683 U CN2009201284683 U CN 2009201284683U CN 200920128468 U CN200920128468 U CN 200920128468U CN 201454363 U CN201454363 U CN 201454363U
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- flue gas
- absorption tower
- phase rectification
- desulfurization absorption
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Abstract
The utility model discloses a dual-phase rectifying smoke desulfurization absorption tower. The top of the tower body of the dual-phase rectifying smoke desulfurization absorption tower is provided with a smoke outlet; the bottom of an inner cavity of the tower body is provided with a seriflux pool used for containing a desulfurization cleaning solution; the tower body is internally and transversely provided with a cleaning solution spraying pipe; the middle of the tower body is provided with a smoke inlet; a dual-phase rectifying plate is obliquely arranged between the cleaning solution spraying pipe and the smoke inlet; and the transverse section of the dual-phase rectifying plate is in a bar grate structure. The utility model designs the dual-phase rectifying plate arranged between the smoke inlet and the bottommost cleaning solution spraying pipe, the dual-phase rectifying plate adopts the bar grate structure but not the grid structure of the traditional device, and the bar grate structure can not only achieve the effect of reducing the energy consumption loss of the smoke flow of the smoke desulfurization absorption tower, but also enable the smoke flow to be more uniformly distributed; and in addition, the utility model simplifies the structure and saves the manpower and material resources.
Description
Technical field
The utility model relates to the flue gases purification field, particularly a kind of biphase rectification flue-gas desulfurization absorption tower.
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 been subjected to 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.The utilization of wherein 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 the biphase rectification flue-gas desulfurization absorption tower is its key core equipment, has obtained extensive use on engineering.The principle on wet method biphase rectification flue-gas desulfurization absorption tower is to utilize the lime stone alkaline slurry to spray from the top down, and flue gas flows from bottom to top, and lime stone slurry drops in the SO that absorbs in the dropping process in the flue gas
2, reach the SO that removes in the flue gas
2Purpose.
Shortcomings such as investment is big, power consumption is big, floor space is big, equipment is complicated because the wet process of FGD technology has, operating cost and specification requirement height, now the wet method biphase rectification flue-gas desulfurization absorption tower of operation inlet is 90 ° of angles with the absorption tower body of the tower, cause very big whirlpool of flow of flue gas formation in the desulfurizing tower, consumed the energy of flue gas, the uniformity that has also influenced flow of flue gas simultaneously distributes, and its flow behavior directly influences the desulfuration efficiency of desulfuration absorbing tower and the energy loss of desulfurizing tower system.The operational efficiency that how to improve wet desulphurization absorption tower has become the problem that presses for solution in desulfuration absorbing tower field with the operation energy consumption that reduces desulfuration absorbing tower.
The utility model content
In view of this, the utility model provides a kind of biphase rectification flue-gas desulfurization absorption tower, at above problem, designed a kind of smoke inlet that is installed in to the biphase rectification apparatus between the spraying layer, this rectifier can reduce the adsorption tower smoke energy loss that flows, and can also reach to make the flow of flue gas effect of uniform more that distributes.
Biphase rectification flue-gas desulfurization of the present utility model absorption tower comprises body of the tower, and the top of described body of the tower is provided with exhanst gas outlet, and the intracavity bottom of described body of the tower is provided with the slurries pond that is used to hold the desulfurization cleaning solution; Described body of the tower inner transverse is provided with the cleaning solution shower, described cleaning solution shower is positioned at the below of exhanst gas outlet and is connected with the slurries pond by circulating pump, be evenly equipped with spray head on the described cleaning solution shower, the middle part of described body of the tower is provided with smoke inlet, described smoke inlet is positioned at the below of cleaning solution shower, be tiltedly installed with the biphase rectification plate between described cleaning solution shower and the smoke inlet, the lateral cross section of described biphase rectification plate is bar grizzl(e)y shape structure.
Further, the height point of described biphase rectification plate end is arranged on the top of smoke inlet, and the low spot end setting of described biphase rectification plate is on the inwall of the body of the tower that smoke inlet is relative;
Further, correspondence was stepped about the longitudinal cross-section of described biphase rectification plate along inclined direction was.
Further, described biphase rectification plate comprises many plate bodys that thickness is identical, described plate body along inclined direction successively misconnection form step structure;
Further, the angle of described biphase rectification plate and horizontal direction is 5 °-75 °;
Further, be provided with flue gas flow monitoring device I and fume component analysis device I in the flue of described smoke inlet;
Further, described slurries pond also is provided with the slurries stirring system, and described slurries stirring system comprises rotation slurry and the drive motors that is arranged on inside, slurries pond, and described rotation slurry connects with the drive motors axle;
Further, also comprise demister, described demister is arranged between exhanst gas outlet and the top layer cleaning solution shower;
Further, be provided with flue gas flow monitoring device II and fume component analysis device II in the flue of described exhanst gas outlet.
The beneficial effects of the utility model are:
1. the utility model has designed a kind of smoke inlet that is installed in to the biphase rectification plate between the bottom spraying layer, this kind biphase rectification plate does not adopt the network of conventional apparatus, but adopt bar grizzl(e)y shape structure, this kind structure not only can reach the effect that reduces the mobile energy loss of adsorption tower smoke, it is more even to make that flow of flue gas distributes, simplify the structure simultaneously, saved manpower and materials;
2. biphase rectification plate of the present utility model along inclined direction is arranged to step structure, makes the even distribution effect of flue gas more outstanding, has further improved rectification efficiency;
3. the utility model has been kept higher gas-liquid two-phase reaction speed and desulfuration efficiency by regulating lime stone slurry straying quatity and oxidation air amount in real time, avoids drop escape phenomenon in the demister.
Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is embodiment one structural representation of the present utility model;
Fig. 2 be Fig. 1 along A-A to schematic diagram;
Fig. 3 is the vertical view of biphase rectification plate;
Fig. 4 is embodiment two structural representations.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
The 1-body of the tower; The 2-exhanst gas outlet; 3-slurries pond; 4-cleaning solution shower; The 5-circulating pump; The 6-smoke inlet; 7-biphase rectification plate; 8-flue gas flow monitoring device I; 9-fume component analysis device I; 10-rotates slurry; The 11-drive motors; The 12-demister; 13-flue gas flow monitoring device II; 14-fume component analysis device II.
Embodiment one
As shown in Figure 1 to Figure 3, the utility model comprises body of the tower 1, and the top of body of the tower 1 is provided with exhanst gas outlet 2, and the intracavity 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 cleaning solution shower 4, and cleaning solution shower 4 is positioned at the below of exhanst gas outlet 2 and is connected with slurries pond 3 by circulating pump 5, is evenly equipped with spray head on the cleaning solution shower 4;
Also be provided with the slurries stirring system in the slurries pond 3, the slurries stirring system comprises rotation slurry 10 and the drive motors 11 that is arranged on 3 inside, slurries pond, rotation slurry 10 connects with 11 of drive motors, is provided with demister 12 between exhanst gas outlet 2 and top layer cleaning solution shower 4.
Be tiltedly installed with biphase rectification plate 7 between bottom cleaning solution shower 4 and smoke inlet 6, the height point of biphase rectification plate 7 end is arranged on the top of smoke inlet 6, and the low spot end setting of biphase rectification plate 7 is on the inwall of the body of the tower 1 that smoke inlet 6 is relative.
Be provided with flue gas flow monitoring device I 8 and fume component analysis device I 9 in the flue of smoke inlet 6, be provided with flue gas flow monitoring device I 13 and smoke components sniffer I 14 in the flue of exhanst gas outlet 2, can monitor the absorption tower in real time by the flue gas flow monitoring device into and out of flue gas flow, cooperate the smoke components sniffer, can monitor SO in real time
2Concentration, according to the calcium sulfur molecule than be 1.03, the ratio of sulphur oxygen molecule is 2, the oxidation air excess coefficient is 1.9～3 principle, in time regulates lime stone slurry straying quatity and oxidation air amount.
Embodiment two
Embodiment two is that with the difference of implementing one biphase rectification plate 7 comprises many plate bodys that thickness is identical, described plate body along inclined direction successively misconnection form step structure, it is corresponding up and down stepped that the longitudinal cross-section of biphase rectification plate 7 along inclined direction is.Be arranged to the stepped even distribution that helps flue gas, further improved rectification efficiency.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284683U CN201454363U (en) | 2009-08-14 | 2009-08-14 | Two-phase rectification flue gas desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284683U CN201454363U (en) | 2009-08-14 | 2009-08-14 | Two-phase rectification flue gas desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201454363U true CN201454363U (en) | 2010-05-12 |
Family
ID=42381707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201284683U Expired - Lifetime CN201454363U (en) | 2009-08-14 | 2009-08-14 | Two-phase rectification flue gas desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201454363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984622A (en) * | 2015-06-30 | 2015-10-21 | 郝胜元 | Wet dust collector |
| CN110131707A (en) * | 2019-05-14 | 2019-08-16 | 东北大学 | A smoke transfer chamber used to prevent high-temperature flue gas from drifting after mixed flow and to strengthen mixed flow |
-
2009
- 2009-08-14 CN CN2009201284683U patent/CN201454363U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984622A (en) * | 2015-06-30 | 2015-10-21 | 郝胜元 | Wet dust collector |
| CN110131707A (en) * | 2019-05-14 | 2019-08-16 | 东北大学 | A smoke transfer chamber used to prevent high-temperature flue gas from drifting after mixed flow and to strengthen mixed flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |