CN201613103U - Desulfurizing absorption tower - Google Patents
Desulfurizing absorption tower Download PDFInfo
- Publication number
- CN201613103U CN201613103U CN2009203508833U CN200920350883U CN201613103U CN 201613103 U CN201613103 U CN 201613103U CN 2009203508833 U CN2009203508833 U CN 2009203508833U CN 200920350883 U CN200920350883 U CN 200920350883U CN 201613103 U CN201613103 U CN 201613103U
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- CN
- China
- Prior art keywords
- mixing tube
- desulfuration absorbing
- absorbing tower
- tower body
- tower according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 12
- 230000003009 desulfurizing effect Effects 0.000 title abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 66
- 239000000779 smoke Substances 0.000 claims abstract description 18
- 238000006477 desulfuration reaction Methods 0.000 claims description 47
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 13
- 239000003517 fume Substances 0.000 claims description 12
- 230000023556 desulfurization Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 2
- 239000007921 spray Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 48
- 230000003647 oxidation Effects 0.000 description 37
- 238000007254 oxidation reaction Methods 0.000 description 37
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 26
- 239000003546 flue gas Substances 0.000 description 26
- 239000011787 zinc oxide Substances 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- HSYFJDYGOJKZCL-UHFFFAOYSA-L zinc;sulfite Chemical compound [Zn+2].[O-]S([O-])=O HSYFJDYGOJKZCL-UHFFFAOYSA-L 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000011686 zinc sulphate Substances 0.000 description 4
- 235000009529 zinc sulphate Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UAOCPXBBRCJOAV-UHFFFAOYSA-N [S].O=S=O Chemical compound [S].O=S=O UAOCPXBBRCJOAV-UHFFFAOYSA-N 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
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Abstract
The utility model discloses a desulfurizing absorption tower which comprises a tower body, a mixing pipe and a desulfurizer spraying pipe. A purified smoke outlet and a mixed liquid outlet are respectively arranged at the top part and the lower part of the tower body, the lower end of the mixing pipe is communicated with the lower part of the tower body, a smoke inlet is arranged at the upper end of the mixing pipe, and the desulfurizer spraying pipe is inserted into the mixing pipe to spray a desulfurizer into the mixing pipe. According to the desulfurizing absorption tower, as the mixing pipe and the tower body are separately arranged, smoke and the desulfurizer can be completely mixed so as to achieve better desulfurizing effect.
Description
Technical field
The utility model relates to a kind of desulfurizer, especially relates to a kind of desulfuration absorbing tower.
Background technology
In traditional sulfur removal technology, desulfurizing agent and flue gas are to mix in the absorption tower, and the bottom on this absorption tower is provided with smoke inlet, and top is provided with the desulfurizing agent inlet.Flue gas enters the absorption tower and mixes desulfurization with desulfurizing agent in the absorption tower 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.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, a purpose of the present utility model 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 utility model, comprise tower body, the bottom that the top of described tower body has clean exhanst gas outlet and described tower body has mixture export; Mixing tube, the lower end of described mixing tube is connected with the bottom of tower body, and the upper end of described mixing tube has smoke inlet; And desulfurizer nozzle, described desulfurizer nozzle is inserted in the mixing tube with injection desulfurization agent in mixing tube.
By 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 utility model:
Described desulfurizer nozzle is inserted in the mixing tube from described smoke inlet.
Described desulfuration absorbing tower further comprises fume pipe, and described fume pipe links to each other with described mixing tube at described smoke inlet place.
The upper surface of described mixing tube is the inclined-plane, and described fume pipe links to each other with the upper end of described mixing tube obliquely, and described desulfurizer nozzle is inserted in the mixing tube vertically.
Described mixing tube has the undergauge section of reduced, described undergauge section be positioned at desulfurizer nozzle be inserted into mixing tube an end below.By 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.
Described 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.
Described mixing tube is the L type.
Be provided with demister in the described 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.
Described demister comprises last demister and the 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.
Described tower body also has air inlet, and described air inlet is higher than the lower end and the described mixture export of described mixing tube.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the desulfuration absorbing tower of embodiment of the present utility model;
Fig. 2 is the schematic diagram with desulphurization system of desulfuration absorbing tower shown in Figure 1; With
Fig. 3 is the schematic diagram with another desulphurization system of desulfuration absorbing tower shown in Figure 1.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described 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.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " on ", close the orientation of indications such as D score, " top ", " end " or position is based on orientation shown in the drawings or position relation, it only is the utility model rather than require the utility model therefore can not be interpreted as for convenience of description with specific orientation structure and operation to restriction of the present utility model.
Below with reference to the desulfuration absorbing tower of Fig. 1 description according to the utility model embodiment.
Desulfuration absorbing tower according to embodiment of the present utility model comprises tower body 11, mixing tube 12 and desulfurizer nozzle 13.
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 utility model, in tower body, also be provided with demister, wherein, demister comprises last demister 113 and the 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 enters mixing tube from smoke inlet 121.In an example of the present utility model, 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, 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.
Desulfurizer nozzle 13 is inserted in the mixing tube 12 vertically, and particularly, desulfurizer nozzle 13 is inserted in the mixing tube 12 from smoke inlet 121.Be provided with nozzle 131 in desulfurizer nozzle 13 lower ends with injection desulfurization agent in mixing tube 12 (for example zinc oxide slurries).Like this, desulfurizing agent is injected in the mixing tube 12 by desulfurizer nozzle 13, and mixes to carry out sweetening process with flue gas.
The lower end of mixing tube 12 is connected with the bottom of tower body 11, by 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 is less than the internal diameter of tower body 11, therefore flue gas and desulfurizing agent are mixed fully in mixing tube 12, 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 utility model, 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, use for demister installation, tower body maintenance.
Describe the desulphurization system that has according to the desulfuration absorbing tower 1 of the utility model embodiment below with reference to Fig. 2, 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 to feed flue gas by fume pipe 14 in mixing tube 12.
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 the mixed liquor that has absorbed sulfur dioxide can 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 are fed in the desulfuration absorbing towers 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 links to each other with oxidation stock tank 3 respectively with inlet and forms the loop with oxidation stock tank 3, thereby yet slurry circulating pump 4 is sent the extraction of the mixed liquor in the oxidation stock tank 3 back to oxidation stock tank 3, can constantly stir the mixed liquor in the oxidation stock tank 3 thus.
Below according to the simple course of work of describing above-mentioned desulphurization system of Fig. 2.
Flue gas is sent into by 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 by slurry tank pump 8, 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 and the remaining zinc oxide slurries that comprise generation) that the zinc oxide slurries absorb after the 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 by oxidation fan 9, formation may contain the ZnSO4 solution of a small amount of ZnSO3 and ZnO.Solution in the oxidation stock tank 3 constantly stirs by 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 precipitation.In addition, technology water tank 4 adds to water in the oxidation stock tank 3 by technology water pump 6.At last, ZnSO4 solution is discharged from the outlet of oxidation stock tank 3.
Another desulphurization system that has according to desulfuration absorbing tower 1 of the present utility model is described below with reference to Fig. 3.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 forms the loop with oxidation stock tank 3 except linking to each other with oxidation stock tank 3 respectively with inlet, 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 by 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 send into earlier in the slurry circulating pump 4, by slurry circulating pump 4 the zinc oxide slurries are 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 by 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) that the zinc oxide slurries absorb after the 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 by oxidation fan 9, formation may contain the ZnSO4 solution of a small amount of ZnSO3 and ZnO.Solution in the oxidation stock tank 3 constantly stirs by 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 by technology water pump 6.At last, ZnSO4 solution is discharged from the outlet of oxidation stock tank 3.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a desulfuration absorbing tower is characterized in that, comprising:
Tower body, the bottom that the top of described tower body has clean exhanst gas outlet and described tower body has mixture export;
Mixing tube, the lower end of described mixing tube is connected with the bottom of tower body, and the upper end of described mixing tube has smoke inlet; And desulfurizer nozzle, described desulfurizer nozzle is inserted in the mixing tube with injection desulfurization agent in mixing tube.
2. desulfuration absorbing tower according to claim 1 is characterized in that described desulfurizer nozzle is inserted in the mixing tube from described smoke inlet.
3. desulfuration absorbing tower according to claim 1 is characterized in that, further comprises fume pipe, and described fume pipe links to each other with described mixing tube at described smoke inlet place.
4. desulfuration absorbing tower according to claim 3 is characterized in that, the upper surface of described mixing tube is the inclined-plane, and described fume pipe links to each other with the upper end of described mixing tube obliquely, and described desulfurizer nozzle is inserted in the mixing tube vertically.
5. desulfuration absorbing tower according to claim 1 is characterized in that, described mixing tube has the undergauge section of reduced, described 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, described 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, described mixing tube is the L type.
8. desulfuration absorbing tower according to claim 1 is characterized in that, is provided with demister in the described absorption tower.
9. desulfuration absorbing tower according to claim 8 is characterized in that, described demister comprises last demister and the following demister that is spaced apart between the upper and lower.
10. desulfuration absorbing tower according to claim 1 is characterized in that described tower body also has air inlet, and described air inlet is higher than the lower end and the described mixture export of described mixing tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203508833U CN201613103U (en) | 2009-12-31 | 2009-12-31 | Desulfurizing absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203508833U CN201613103U (en) | 2009-12-31 | 2009-12-31 | Desulfurizing absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201613103U true CN201613103U (en) | 2010-10-27 |
Family
ID=42999475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203508833U Expired - Fee Related CN201613103U (en) | 2009-12-31 | 2009-12-31 | Desulfurizing absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201613103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837238B (en) * | 2009-12-30 | 2012-10-17 | 中国恩菲工程技术有限公司 | Desulfurization absorbing tower |
-
2009
- 2009-12-31 CN CN2009203508833U patent/CN201613103U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837238B (en) * | 2009-12-30 | 2012-10-17 | 中国恩菲工程技术有限公司 | Desulfurization absorbing tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
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 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20131231 |