CN204952655U - A desulfurization absorption tower for gas cleaning - Google Patents
A desulfurization absorption tower for gas cleaning Download PDFInfo
- Publication number
- CN204952655U CN204952655U CN201520682310.6U CN201520682310U CN204952655U CN 204952655 U CN204952655 U CN 204952655U CN 201520682310 U CN201520682310 U CN 201520682310U CN 204952655 U CN204952655 U CN 204952655U
- Authority
- CN
- China
- Prior art keywords
- tower body
- flue
- tower
- level
- demister
- 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
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 230000023556 desulfurization Effects 0.000 title abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 57
- 235000019738 Limestone Nutrition 0.000 claims abstract description 30
- 239000006028 limestone Substances 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000010440 gypsum Substances 0.000 claims abstract description 9
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 238000011001 backwashing Methods 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 25
- 239000003546 flue gas Substances 0.000 abstract description 25
- 239000007789 gas Substances 0.000 abstract description 14
- 238000005406 washing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a desulfurization absorption tower for gas cleaning, the tower comprises a tower body, tower body upper portion is connected with clean flue gas flue, tower body one side is equipped with into flue, the middle part is equipped with level four spray set in the tower body, level four spray set passes through the limestone slurry conveyer pipe and is connected with the limestone slurry pond, upper portion is equipped with two -stage defogging device in the tower body, be equipped with washing unit on the two -stage defogging device, the lower part is equipped with absorption tower thick liquid pond in the tower body, slurry circulating pump and limestone slurry duct connections are passed through to absorption tower thick liquid pond, separate sedimentary slurry transportation to swirler through the gypsum excavating pump tower body bottom, the thick liquid of swirler after -separating is carried again to vacuum belt filter, the storage is directly transported through transport means to the thick liquid that vacuum belt filter handled. The utility model provides high flue gas desulfurization efficiency has effectively been solved the defroster and has been blockked up the problem, and it is low to have a running cost, and area is little, light in weight's advantage.
Description
Technical field
The utility model belongs to desulfurizing tower technical field, is specifically related to a kind of desulfuration absorbing tower for gas cleaning.
Background technology
The country of China's to be one with coal be main energy sources, wherein, coal more than 84% is utilized by combustion system.And the flue gas containing sulfur dioxide that coal burning discharges, be the topmost root of atmosphere pollution, be the arch-criminal of acid rain on the earth always.Along with Chinese society economic development, society is also more and more higher to environmental requirement, for coal burning flue gas, several large classes such as conventional at present purification method wet method, dry method and semidry method, and its principle of existing wet desulphurization is substantially all identical, but there is sulfur dioxide all in various degree and absorb insufficient problem, and easily occur the exceptions such as tower internals blocking.Therefore be necessary to propose to improve.
Utility model content
The technical problem that the utility model solves: a kind of desulfuration absorbing tower for gas cleaning is provided, level Four spray equipment is adopted to carry out flue gas desulfurization process, effective raising smoke desulfurization efficiency, the flue gas drop risen meets neat stress emission request after being separated by two-stage demister, and use flusher rinses out the deposition of solid on demister, efficiently solves demister blockage problem, it is high that the utility model has desulfuration efficiency, operating cost is low, and floor space is little, lightweight advantage.
The technical solution adopted in the utility model: for the desulfuration absorbing tower of gas cleaning, there is tower body, described tower body top is connected with neat stress flue, described tower body side is provided with into mouth, described enter mouth be connected with flue, in described tower body, middle part is provided with level Four spray equipment, described level Four spray equipment is connected with limestone slurry liquid pool by lime stone slurry carrier pipe, described tower body internal upper part is provided with two-stage demister, described two-stage demister is provided with flusher, in described tower body, bottom is provided with absorption tower stock tank, described absorption tower stock tank is connected with lime stone slurry carrier pipe by slurry circulating pump and the slurries of its inside is delivered to level Four spray equipment circulated sprinkling and uses, by gypsum excavationg pump, the slurries of deposition are delivered to cyclone bottom described tower body to be separated, slurries after described cyclone is separated are delivered to vacuum band-type filter machine again, the slurries of described vacuum band-type filter machine process directly transport storage by means of transport.
Wherein, described level Four spray equipment comprises the one-level spraying layer of arranging successively from lower to upper, secondary spraying layer, three grades of spraying layers and level Four spraying layer, described spraying layer at different levels includes the shower be fixed on tower body inwall, described shower is evenly provided with multiple nozzle, described shower one end is all connected with lime stone slurry carrier pipe one end, the described lime stone slurry carrier pipe other end is connected with limestone slurry liquid pool by limestone slurry liquid pump, described limestone slurry liquid pool and slurrying stirring pool are connected, agstone warehouse is reinforced in the water in slurrying stirring pool by screw(-type) feeder.
Further, described two-stage demister comprises the one-level demister and secondary demister of arranging from lower to upper, described flusher comprises the cleaning hose being placed in one-level demister and secondary demister top and bottom respectively, described cleaning hose is evenly provided with multiple flooding nozzle, and the flush box that water is equipped with by demister backwashing pump and inside in described cleaning hose one end is communicated with.
Further, described flue is provided with gas baffle and booster fan, and described flue is connected with chimney by other flue again, and described other flue is provided with bypass gas baffle.
Further, stock tank side, described absorption tower is connected with oxidation fan, is provided with side-feeding mixer in the stock tank of described absorption tower.
Further, described flue with enter one end inwall that mouth is connected and be provided with glass resin flake coating, described neat stress flue inner wall is also provided with glass resin flake coating.
The utility model advantage compared with prior art:
1, adopt level Four spray equipment to carry out flue gas desulfurization process, effectively improve smoke desulfurization efficiency;
2, the utility model is separated the flue gas drop risen with secondary demister by one-level demister, makes the neat stress after separation meet emission request;
3, demister rinses out the deposition of solid on demister by flusher, efficiently solves the fouling and clogging problem that demister produces;
4, on flue, establishing booster fan near entering mouth place, the flue gas pressures entered in tower body can not only be improved, and avoid the corrosion of low-temperature flue gas to booster fan, reducing and manufacture and material type selecting difficulty, extend its service life;
5, flue with enter on one end inwall that mouth is connected and neat stress flue inner wall all scribble glass resin flake coating, effectively prevent it to be corroded;
6. flue is provided with gas baffle, can control the flue gas flow size entered in tower body.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, embodiment of the present utility model is described.
For the desulfuration absorbing tower of gas cleaning, as shown in Figure 1, there is tower body 1, described tower body 1 top is connected with neat stress flue 2, described tower body 1 side is provided with into mouth 4, described in enter mouth 4 and be connected with flue 11, preferably, described flue 11 with enter on one end inwall that mouth 4 is connected and neat stress flue 2 inwall be also equipped with glass resin flake coating, effectively prevent it to be corroded; In addition, described flue 11 is provided with gas baffle 12, the flue gas flow size entered in tower body 1 can be controlled, described gas baffle 12 is provided with sealed air system, avoids smoke spillage, described on flue 11 near enter mouth 4 place establish booster fan 13, the flue gas pressures entered in tower body 1 can not only be improved, and avoid the corrosion of low-temperature flue gas to booster fan 13, thus reduce manufacture and material type selecting difficulty, extend its service life; Described flue 11 is connected with chimney 34 by other flue 33 again, and described other flue 33 is provided with bypass gas baffle 35, when flue gas is without desulfurization process, can close gas baffle 12, flue gas is discharged by chimney 34 completely.
In described tower body 1, middle part is provided with level Four spray equipment, and described level Four spray equipment is connected with limestone slurry liquid pool 18 by lime stone slurry carrier pipe 16, adopts level Four spray equipment to carry out flue gas desulfurization process, effectively improves smoke desulfurization efficiency, concrete, described level Four spray equipment comprises the one-level spraying layer 7 of arranging successively from lower to upper, secondary spraying layer 8, three grades of spraying layers 9 and level Four spraying layer 10, described spraying layer at different levels includes the shower 14 be fixed on tower body 1 inwall, described shower 14 is evenly provided with multiple nozzle 15, described shower 14 one end is all connected with lime stone slurry carrier pipe 16 one end, described lime stone slurry carrier pipe 16 other end is connected with limestone slurry liquid pool 18 by limestone slurry liquid pump 17, described limestone slurry liquid pool 18 adds slurries by slurrying stirring pool 19 toward its inside, agstone warehouse 20 is reinforced in the water in slurrying stirring pool 19 by screw(-type) feeder 21.Described tower body 1 internal upper part is provided with two-stage demister, described two-stage demister is provided with flusher, concrete, described two-stage demister comprises the one-level demister 6 and secondary demister 5 of arranging from lower to upper, described flusher comprises the cleaning hose 25 being placed in one-level demister 6 and secondary demister 5 top and bottom respectively, described cleaning hose 25 is evenly provided with multiple flooding nozzle 26, the flush box 27 that water is equipped with by demister backwashing pump 28 and inside in described cleaning hose 25 one end is communicated with, employing flusher effectively can rinse out the deposition of solid on each demister, solve the fouling and clogging problem that demister occurs.
In described tower body 1, bottom is provided with absorption tower stock tank 3, stock tank 3 side, described absorption tower is connected with oxidation fan 22, side-feeding mixer 23 is provided with in described absorption tower stock tank 3, described absorption tower stock tank 3 is connected with lime stone slurry carrier pipe 16 by slurry circulating pump 24 and the slurries of its inside is delivered to level Four spray equipment circulated sprinkling and uses, by gypsum excavationg pump 29, the slurries of deposition are delivered to cyclone 30 bottom described tower body 1 to be separated, slurries after described cyclone 30 is separated are delivered to again vacuum band-type filter machine 31, the slurries that described vacuum band-type filter machine 31 processed directly transport storage by means of transport 32.
Operation principle: when desulfuration absorbing tower works, bypass gas baffle 35 is closed, the flue gas containing flue dust and oxysulfide enters flue 11, and enters in tower body 1 by entering mouth 4 after booster fan 13 supercharging, and flue gas continues to rise to level Four spray equipment.Now, the slurries be mixed to form by water and agstone in slurrying stirring pool 19 are input in limestone slurry liquid pool 18, slurries in limestone slurry liquid pool 18 are evacuated to level Four spray equipment also respectively by one-level spraying layer 7 by limestone slurry liquid pump 17, secondary spraying layer 8, nozzle 15 on three grades of spraying layers 9 and level Four spraying layer 10 evenly sprays, the slurries sprayed by nozzle 15 are formed and become reverse high speed atomisation water curtain with flue gas, oxysulfide in rising flue gas passes through and one-level spraying layer 7 successively, secondary spraying layer 8, the high speed atomisation water curtain making contact of ejection on three grades of spraying layers 9 and level Four spraying layer 10, oxysulfide in flue gas is absorbed fully, flue gas after desulfurizing and purifying continues to rise to two-stage demister, and the flue gas after desulfurization is discharged from neat stress flue 2 after the drop two-stage taken away in desulfurization is separated with secondary demister 5 by one-level demister 6, completes the desulfurizing and purifying process to useless flue gas.In addition, the water in flush box 27 is evacuated to cleaning hose 25 by demister backwashing pump 28 and is sprayed by flooding nozzle 26, rinses producing deposition of solid in one-level demister 6 and secondary demister 5, in order to avoid it occurs blocking; The slurries that level Four spray equipment ejects finally flow in the absorption tower stock tank 3 at the bottom of tower, and the slurries in absorption tower stock tank 3 are evacuated in level Four spray equipment by slurry circulating pump 24 again and recycle, and efficent use of resources is cost-saving; Oxidation fan 22 sends into oxidation air in absorption tower stock tank 3, and stirred by side-feeding mixer 23, make fully to react in absorption tower stock tank 3, form gypsum crystallization body and be deposited in bottom absorption tower stock tank 3, gypsum crystallization slurries bottom absorption tower stock tank 3 are evacuated in cyclone 30 by gypsum excavationg pump 29 and carry out separating treatment, isolated slurries are delivered to again vacuum band-type filter machine 31 and carry out filtration generation gypsum by cyclone 30, and the gypsum that vacuum band-type filter machine 31 generates directly is transported by means of transport 32 and stores.
The utility model adopts level Four spray equipment to add the collision probability of flue dust oxysulfide and slurries, and the speed making full use of atomized drop causes very high gas-liquid relative velocity, improve cleaning and desulfurization efficiency, and it is low to have operating cost, floor space is little, lightweight advantage
Above-described embodiment, just preferred embodiment of the present utility model, is not used for limiting the utility model practical range, therefore all equivalence changes done with content described in the utility model claim, all should be included within the utility model right.
Claims (6)
1. for the desulfuration absorbing tower of gas cleaning, there is tower body (1), described tower body (1) top is connected with neat stress flue (2), described tower body (1) side is provided with into mouth (4), described enter mouth (4) be connected with flue (11), it is characterized in that: in described tower body (1), middle part is provided with level Four spray equipment, described level Four spray equipment is connected with limestone slurry liquid pool (18) by lime stone slurry carrier pipe (16), described tower body (1) internal upper part is provided with two-stage demister, described two-stage demister is provided with flusher, described tower body (1) interior bottom is provided with absorption tower stock tank (3), described absorption tower stock tank (3) is connected with lime stone slurry carrier pipe (16) by slurry circulating pump (24) and the slurries of its inside is delivered to level Four spray equipment circulated sprinkling and uses, the slurries of deposition are delivered to cyclone (30) by gypsum excavationg pump (29) and are separated by described tower body (1) bottom, slurries after described cyclone (30) is separated are delivered to again vacuum band-type filter machine (31), the slurries that described vacuum band-type filter machine (31) processed directly transport storage by means of transport (32).
2. the desulfuration absorbing tower for gas cleaning according to claim 1, it is characterized in that: described level Four spray equipment comprises the one-level spraying layer (7) of arranging successively from lower to upper, secondary spraying layer (8), three grades of spraying layers (9) and level Four spraying layer (10), described spraying layer at different levels includes the shower (14) be fixed on tower body (1) inwall, described shower (14) is evenly provided with multiple nozzle (15), described shower (14) one end is all connected with lime stone slurry carrier pipe (16) one end, described lime stone slurry carrier pipe (16) other end is connected with limestone slurry liquid pool (18) by limestone slurry liquid pump (17), described limestone slurry liquid pool (18) and slurrying stirring pool (19) are connected, agstone warehouse (20) is reinforced in the water in slurrying stirring pool (19) by screw(-type) feeder (21).
3. the desulfuration absorbing tower for gas cleaning according to claim 1 and 2, it is characterized in that: described two-stage demister comprises the one-level demister (6) and secondary demister (5) of arranging from lower to upper, described flusher comprises the cleaning hose (25) being placed in one-level demister (6) and secondary demister (5) top and bottom respectively, described cleaning hose (25) is evenly provided with multiple flooding nozzle (26), the flush box (27) that water is equipped with by demister backwashing pump (28) and inside in described cleaning hose (25) one end is communicated with.
4. the desulfuration absorbing tower for gas cleaning according to claim 3, it is characterized in that: described flue (11) is provided with gas baffle (12) and booster fan (13), described flue (11) is connected with chimney (34) by other flue (33) again, and described other flue (33) is provided with bypass gas baffle (35).
5. the desulfuration absorbing tower for gas cleaning according to claim 4, it is characterized in that: stock tank (3) side, described absorption tower is connected with oxidation fan (22), is provided with side-feeding mixer (23) in described absorption tower stock tank (3).
6. the desulfuration absorbing tower for gas cleaning according to claim 5, it is characterized in that: described flue (11) with enter one end inwall that mouth (4) is connected and be provided with glass resin flake coating, described neat stress flue (2) inwall is also provided with glass resin flake coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682310.6U CN204952655U (en) | 2015-09-06 | 2015-09-06 | A desulfurization absorption tower for gas cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682310.6U CN204952655U (en) | 2015-09-06 | 2015-09-06 | A desulfurization absorption tower for gas cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204952655U true CN204952655U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520682310.6U Expired - Fee Related CN204952655U (en) | 2015-09-06 | 2015-09-06 | A desulfurization absorption tower for gas cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204952655U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754592A (en) * | 2017-12-07 | 2018-03-06 | 北京兴晟科技有限公司 | A kind of desulfurization slurry Recovery Purifying utilizes system |
| CN108579394A (en) * | 2018-06-28 | 2018-09-28 | 新疆海天环保科技有限公司 | Utilize the desulfurizing tower and its sulfur removal technology of filter mud of sugar refinery |
| CN108722102A (en) * | 2018-07-27 | 2018-11-02 | 双良节能系统股份有限公司 | A kind of desulfurizer and water balance control method with flue gas condensing function in tower |
| CN109499304A (en) * | 2018-12-27 | 2019-03-22 | 朱敬 | The device and technique of sulfur dioxide in a kind of efficient removal coal-fired flue-gas |
| CN112221341A (en) * | 2020-10-28 | 2021-01-15 | 宁夏和兴碳基材料有限公司 | A high-efficient desulfurization absorption tower for industrial flue gas |
| CN117443175A (en) * | 2023-11-22 | 2024-01-26 | 安徽雨辰机电制造有限公司 | Desulfurization thick liquid does not have stirring and prevents deposiing device |
-
2015
- 2015-09-06 CN CN201520682310.6U patent/CN204952655U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754592A (en) * | 2017-12-07 | 2018-03-06 | 北京兴晟科技有限公司 | A kind of desulfurization slurry Recovery Purifying utilizes system |
| CN108579394A (en) * | 2018-06-28 | 2018-09-28 | 新疆海天环保科技有限公司 | Utilize the desulfurizing tower and its sulfur removal technology of filter mud of sugar refinery |
| CN108722102A (en) * | 2018-07-27 | 2018-11-02 | 双良节能系统股份有限公司 | A kind of desulfurizer and water balance control method with flue gas condensing function in tower |
| CN109499304A (en) * | 2018-12-27 | 2019-03-22 | 朱敬 | The device and technique of sulfur dioxide in a kind of efficient removal coal-fired flue-gas |
| CN112221341A (en) * | 2020-10-28 | 2021-01-15 | 宁夏和兴碳基材料有限公司 | A high-efficient desulfurization absorption tower for industrial flue gas |
| CN117443175A (en) * | 2023-11-22 | 2024-01-26 | 安徽雨辰机电制造有限公司 | Desulfurization thick liquid does not have stirring and prevents deposiing device |
| CN117443175B (en) * | 2023-11-22 | 2024-04-16 | 安徽雨辰机电制造有限公司 | Desulfurization thick liquid does not have stirring and prevents deposiing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |