CN101837238B - Desulfurization absorbing tower - Google Patents
Desulfurization absorbing tower Download PDFInfo
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- CN101837238B CN101837238B CN200910244190A CN200910244190A CN101837238B CN 101837238 B CN101837238 B CN 101837238B CN 200910244190 A CN200910244190 A CN 200910244190A CN 200910244190 A CN200910244190 A CN 200910244190A CN 101837238 B CN101837238 B CN 101837238B
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- desulfuration absorbing
- absorbing tower
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Abstract
The invention discloses a desulfurization absorbing tower, which comprises a tower body, a mixing pipe and a desulfurizer nozzle; the top of the tower body is provided with a clean flue gas outlet, and the lower part of the tower body is provided with a mixed liquid outlet; the lower end of the mixing pipe is communicated with the lower part of the tower body, and the upper end of the mixing pipe is provided with a flue gas inlet; and the desulfurizer nozzle is inserted into the mixing pipe in order to spray desulfurizer into the mixing pipe. Since the mixing pipe and the tower body of the desulfurization absorbing tower are separately arranged, flue gas can be sufficiently mixed with the desulfurizer, and thereby a better desulfurization effect can be achieved.
Description
Technical field
The present invention relates to a kind of desulfurizer, especially relate to a kind of desulfuration absorbing tower.
Background technology
In traditional sulfur removal technology, desulfurizing agent and flue gas are in the absorption tower, to mix, and the bottom on this absorption tower is provided with smoke inlet, and top is provided with the desulfurizing agent inlet.Flue gas gets into the absorption tower and in the absorption tower, mixes desulfurization with desulfurizing agent from the bottom, absorption tower, then, the clean flue gas after the desulfurization is discharged from the clean exhanst gas outlet at top, absorption tower.Because the cross section on absorption tower is bigger, the mixed effect of flue gas and desulfurizing agent is poor, and desulfurized effect is not good.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose the good desulfuration absorbing tower of good mixing effect, desulfurized effect of a kind of flue gas and desulfurizing agent.
According to a kind of desulfuration absorbing tower of the present invention, comprise tower body, the bottom that the top of said tower body has clean exhanst gas outlet and said tower body has mixture export; Mixing tube, the lower end of said mixing tube is connected with the bottom of tower body, and the upper end of said mixing tube has smoke inlet; And desulfurizer nozzle, said desulfurizer nozzle is inserted in the mixing tube with injection desulfurization agent in mixing tube.
Through mixing tube is set on tower body, because comparing greatly with tower body, the cross section of mixing tube reduces, flue gas and desulfurizing agent are mixed in mixing tube fully, thereby obtain the higher desulfuration effect.
In addition, also have following additional technical feature according to desulfuration absorbing tower of the present invention:
Said desulfurizer nozzle is inserted in the mixing tube from said smoke inlet.
Said desulfuration absorbing tower further comprises fume pipe, and said fume pipe links to each other with said mixing tube at said smoke inlet place.
The upper surface of said mixing tube is the inclined-plane, and said fume pipe links to each other with the upper end of said mixing tube obliquely, and said desulfurizer nozzle is inserted in the mixing tube vertically.
Said mixing tube has the undergauge section of reduced, said undergauge section be positioned at desulfurizer nozzle be inserted into mixing tube an end below.Through reducing diameter part is set, can further improve the mixed effect of flue gas and desulfurizing agent, it is more abundant that flue gas is contacted with desulfurizing agent, thereby reach further desulfurized effect.
Said mixing tube has upper conical section and inferior pyramidal section, and wherein said undergauge section is connected between upper conical section and the inferior pyramidal section.
Said mixing tube is the L type.
Be provided with demister in the said absorption tower.Demister can be used to purify the liquid that the back flue gas is carried secretly in the filtering desulfuration absorbing tower, thereby makes the clean flue gas that contains less drop discharge from clean exhanst gas outlet.
Said demister comprises the last demister and following demister that is spaced apart between the upper and lower, and two-layer demister is set, and the filtration result that purifies the drop in the flue gas of back is better.
Said tower body also has air inlet, and said air inlet is higher than the lower end and the said mixture export of said mixing tube.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the structural representation of desulfuration absorbing tower according to an embodiment of the invention;
Fig. 2 is the sketch map with desulphurization system of desulfuration absorbing tower shown in Figure 1; With
Fig. 3 has the sketch map of another desulphurization system of desulfuration absorbing tower shown in Figure 1.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; Term " on ", the orientation of indications such as D score, " top ", " end " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the present invention rather than requiring the present invention therefore can not be interpreted as limitation of the present invention with specific azimuth configuration and operation.
The desulfuration absorbing tower of describing according to the embodiment of the invention with reference to figure 1 below.
Desulfuration absorbing tower comprises tower body 11, mixing tube 12 and desulfurizer nozzle 13 according to an embodiment of the invention.
The top of tower body 11 has clean exhanst gas outlet 111, has mixture export 112 in the bottom of tower body 11.In addition, tower body 11 also has air inlet 115, and wherein, air inlet 115 is higher than mixture export 112.In an example of the present invention, in tower body, also be provided with demister, wherein, demister comprises the last demister 113 and following demister 114 that is spaced apart between the upper and lower.Demister can be used to purify the liquid that the back flue gas is carried secretly in the filtering desulfuration absorbing tower, thereby makes the clean flue gas that contains less drop discharge from clean exhanst gas outlet 111.And two-layer demister is set, the filtration result that purifies the drop in the flue gas of back is better.
Has smoke inlet 121 in the upper end of mixing tube 12.The upper surface of mixing tube 12 is the inclined-plane, and promptly the end face of smoke inlet 121 is the inclined-plane, and flue gas gets into mixing tube from smoke inlet 121.In an example of the present invention; 121 places are connected with fume pipe 14 at smoke inlet; Fume pipe 14 links to each other with mixing tube 12 at smoke inlet 121 places obliquely, and for example fume pipe 14 links to each other with the upper end of mixing tube 12 at smoke inlet 121 places, to feed flue gas; Also can regard the part of mixing tube 12 as for persons of ordinary skill in the art may appreciate that fume pipe 14.
The lower end of mixing tube 12 is connected with the bottom of tower body 11; Through mixing tube 12 is separated setting with tower body 11; Make flue gas in mixing tube 12, mix to contact and carry out desulfurization with desulfurizing agent; Because the internal diameter of mixing tube 12 less than the internal diameter of tower body 11, therefore can make flue gas and desulfurizing agent in mixing tube 12, mix fully, thereby obtain the higher desulfuration effect.
Alternatively, mixing tube 12 can be the L type, and then an end of its horizontal tube links to each other with the bottom of tower body 11.In an example of the present invention, the end port that mixing tube 12 is connected with tower body 11 is higher than mixture export 112.In addition, the lower end of mixing tube 12 is lower than the air inlet 115 of tower body 11.
In addition, on tower body 11, be provided with three manholes 116, supply demister installation, tower body maintenance to use.
Have the desulphurization system according to the desulfuration absorbing tower 1 of the embodiment of the invention with reference to figure 2 descriptions below, wherein desulfurizing agent is an example with the zinc oxide slurries.
Desulphurization system comprises desulfuration absorbing tower 1, booster fan 2, oxidation stock tank 3, slurry circulating pump 4, technology water tank 5, technology water pump 6, slurry tank 7, slurry tank pump 8 and oxidation fan 9.Wherein, booster fan 2 links to each other with the fume pipe 14 of desulfuration absorbing tower 1 in mixing tube 12, to feed flue gas through fume pipe 14.
Oxidation stock tank 3 has entry to mixed solution 31, air intake 32 and slurries outlet 33, and wherein entry to mixed solution links to each other with the mixture export 112 of tower body 11, thereby can the mixed liquor that absorb sulfur dioxide be discharged to the oxidation stock tank 3 in tower body 1.In addition, oxidation stock tank 3 also has air outlet slit 35, can link to each other with the air intake 115 on the tower body 11 of desulfuration absorbing tower 1, so that air unnecessary in the oxidation stock tank 3 is fed in the desulfuration absorbing tower 1, thereby discharges from the top of desulfuration absorbing tower 1.Slurries outlet 33 can link to each other with slurries excavationg pump 10, is used for slurries are discharged in oxidation stock tank 3.
The outlet of slurry circulating pump 4 link to each other with oxidation stock tank 3 respectively with inlet and with oxidation stock tank 3 formation loops, thereby yet slurry circulating pump 4 mixed liquors in the oxidation stock tank 3 extracted out sent back to oxidation stock tank 3, can constantly stir the interior mixed liquor of oxidation stock tank 3 thus.
Technology water tank 5 links to each other with moisturizing in oxidation stock tank 3 with oxidation stock tank 3 through technology water pump 6.Slurry tank 7 links to each other with the desulfurizer nozzle 13 of desulfuration absorbing tower 1 through slurry tank pump 8, and slurry tank pump 8 is sent into the zinc oxide slurries in the slurry tank 7 in the desulfurizer nozzle 13.
Oxidation fan 9 links to each other with oxidation stock tank 3, with bubbling air in oxidation stock tank 3.As stated; The zinc oxide slurries mix with flue gas; Zinc oxide and sulfur in smoke reaction generate the deposition zinc sulfite; Zinc sulfite is discharged in the oxidation stock tank 3 with residue zinc oxide slurries together, and the airborne oxygen and the zinc sulfite reaction that feed in the oxidation stock tank 3 through oxidation fan 9 generate solution of zinc sulfate.
Below according to the simple course of work of describing above-mentioned desulphurization system of Fig. 2.
Flue gas is sent into through booster fan 2 in the mixing tube 12 of desulfuration absorbing tower 1, mixes with zinc oxide slurries in the mixing tube 12 of sending into desulfuration absorbing tower 1 by slurry tank 7 through slurry tank pump 8, and then washing desulphurization.Clean flue gas after the desulfurization is discharged from the clean exhanst gas outlet of tower body 11 111, and the mixed liquor (ZnSO3 and the remaining zinc oxide slurries that comprise generation) after the zinc oxide slurries absorbing sulfur dioxide sulphur is discharged to the oxidation stock tank 3 from the mixture export 112 of desulfuration absorbing tower 1.
Zinc sulfite in the mixed liquor in the oxidation stock tank 3 and the airborne oxygen reaction that feeds in the oxidation stock tank 3 through oxidation fan 9, formation possibly contain the ZnSO4 solution of a small amount of ZnSO3 and ZnO.Solution in the oxidation stock tank 3 constantly stirs through slurry circulating pump 4, and solution is fully mixed with airborne oxygen, with the reaction of promotion oxygen and zinc sulfite, and can prevent the slurries deposition.In addition, technology water tank 4 adds to water in the oxidation stock tank 3 through technology water pump 6.At last, ZnSO4 solution is discharged from the outlet of oxidation stock tank 3.
Describe with reference to figure 3 below and have another desulphurization system according to desulfuration absorbing tower 1 of the present invention.The desulphurization system shown in Figure 3 and the difference of the desulphurization system shown in Fig. 2 mainly are the annexation of slurry circulating pump 4, slurry tank 7 and desulfurizer nozzle 13; Therefore describe slurry circulating pump 4, slurry tank 7 and desulfurizer nozzle 13 below emphatically, the description of other same sections is omitted.
As shown in Figure 3; The outlet of slurry circulating pump 4 with the inlet except linking to each other with oxidation stock tank 3 respectively with oxidation stock tank 3 formation loops; The outlet of slurry circulating pump 4 also links to each other with the desulfurizer nozzle 13 of tower body, turning back in the desulfurizer nozzle 13 from a part of slurries in the oxidation stock tank 3.The inlet of slurry circulating pump 4 also links to each other with slurry tank 7 through slurry tank pump 8; So that zinc oxide slurries and a part of slurries in the slurry circulating pump 4 are delivered in the desulfurizer nozzle 13; That is to say; Slurry tank 7 is not directly sent into the zinc oxide slurries in the desulfurizer nozzle 13, but sends into earlier in the slurry circulating pump 4, by slurry circulating pump 4 the zinc oxide slurries is delivered in the desulfurizer nozzle 13 together then.
The course of work of above-mentioned desulphurization system is described according to Fig. 3.
Flue gas is sent into through booster fan 2 in the mixing tube 12 of desulfuration absorbing tower 1, and the zinc oxide slurries that slurry circulating pump 4 is sent in the mixing tube 12 of desulfuration absorbing tower 1 mix, and then washing desulphurization.Clean flue gas after the desulfurization is discharged from the clean exhanst gas outlet 111 of tower body 11; And the mixed liquor (ZnSO3 that comprises generation, and remaining zinc oxide slurries) after the zinc oxide slurries absorbing sulfur dioxide is discharged to the oxidation stock tank 3 from the mixture export 112 of desulfuration absorbing tower 1.
Zinc sulfite in the mixed liquor in the oxidation stock tank 3 and the airborne oxygen reaction that feeds in the oxidation stock tank 3 through oxidation fan 9, formation possibly contain the ZnSO4 solution of a small amount of ZnSO3 and ZnO.Solution in the oxidation stock tank 3 constantly stirs through slurry circulating pump 4, and solution is fully mixed with airborne oxygen, to promote the reaction of oxygen and zinc sulfite.In addition, technology water tank 4 adds to water in the oxidation stock tank 3 through technology water pump 6.At last, ZnSO4 solution is discharged from the outlet of oxidation stock tank 3.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (7)
1. a desulfuration absorbing tower is characterized in that, comprising:
Tower body, the bottom that the top of said tower body has clean exhanst gas outlet and said tower body has mixture export;
Mixing tube, said mixing tube are the L type, and the lower end of said mixing tube is connected with the bottom of tower body, and the upper end of said mixing tube has smoke inlet;
Desulfurizer nozzle, said desulfurizer nozzle are inserted in the mixing tube with injection desulfurization agent in mixing tube; With
Demister, said demister are located in the said absorption tower, and said demister comprises the last demister and following demister that is spaced apart between the upper and lower.
2. desulfuration absorbing tower according to claim 1 is characterized in that said desulfurizer nozzle is inserted in the mixing tube from said smoke inlet.
3. desulfuration absorbing tower according to claim 1 is characterized in that, further comprises fume pipe, and said fume pipe links to each other with said mixing tube at said smoke inlet place.
4. desulfuration absorbing tower according to claim 3 is characterized in that, the upper surface of said mixing tube is the inclined-plane, and said fume pipe links to each other with the upper end of said mixing tube obliquely, and said desulfurizer nozzle is inserted in the mixing tube vertically.
5. desulfuration absorbing tower according to claim 1 is characterized in that, said mixing tube has the undergauge section of reduced, said undergauge section be positioned at desulfurizer nozzle be inserted into mixing tube an end below.
6. desulfuration absorbing tower according to claim 5 is characterized in that, said mixing tube has upper conical section and inferior pyramidal section, and wherein said undergauge section is connected between upper conical section and the inferior pyramidal section.
7. desulfuration absorbing tower according to claim 1 is characterized in that said tower body also has air inlet, and said air inlet is higher than the lower end and the said mixture export of said mixing tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910244190A CN101837238B (en) | 2009-12-30 | 2009-12-30 | Desulfurization absorbing tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910244190A CN101837238B (en) | 2009-12-30 | 2009-12-30 | Desulfurization absorbing tower |
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| CN101837238A CN101837238A (en) | 2010-09-22 |
| CN101837238B true CN101837238B (en) | 2012-10-17 |
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| CN200910244190A Active CN101837238B (en) | 2009-12-30 | 2009-12-30 | Desulfurization absorbing tower |
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| CN110642286A (en) * | 2019-09-06 | 2020-01-03 | 云南中陇生态环境工程有限公司 | Method and device for deeply oxidizing zinc sulfite into zinc sulfate and application of method |
| CN110975568A (en) * | 2019-11-27 | 2020-04-10 | 惠生（南通）重工有限公司 | Utilize boats and ships exhaust-gas treatment system of PCHE vaporizer cooling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258584Y (en) * | 1996-04-17 | 1997-07-30 | 北京市机电研究院环境保护技术研究所 | Exhausting treatment equipment after rubish incineration |
| CN201613103U (en) * | 2009-12-31 | 2010-10-27 | 中国恩菲工程技术有限公司 | Desulfurizing absorption tower |
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2009
- 2009-12-30 CN CN200910244190A patent/CN101837238B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258584Y (en) * | 1996-04-17 | 1997-07-30 | 北京市机电研究院环境保护技术研究所 | Exhausting treatment equipment after rubish incineration |
| CN201613103U (en) * | 2009-12-31 | 2010-10-27 | 中国恩菲工程技术有限公司 | Desulfurizing absorption tower |
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| CN101837238A (en) | 2010-09-22 |
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Inventor after: Li Xupeng Inventor after: Chen Fang Inventor after: Xu Zhiqiang Inventor after: Zhang Donghua Inventor before: Li Xupeng Inventor before: Chen Fang Inventor before: Xu Zhiqiang Inventor before: Zhang Donghua |
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