CN2467167Y - Seawater liquid column jet type flue gas desulfurization device - Google Patents
Seawater liquid column jet type flue gas desulfurization device Download PDFInfo
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- CN2467167Y CN2467167Y CN 00267842 CN00267842U CN2467167Y CN 2467167 Y CN2467167 Y CN 2467167Y CN 00267842 CN00267842 CN 00267842 CN 00267842 U CN00267842 U CN 00267842U CN 2467167 Y CN2467167 Y CN 2467167Y
- Authority
- CN
- China
- Prior art keywords
- flue gas
- flue
- seawater
- pond
- water
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- 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 - Lifetime
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- 239000013535 sea water Substances 0.000 title claims abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000003546 flue gas Substances 0.000 title claims abstract description 32
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 14
- 239000007788 liquid Substances 0.000 title abstract description 8
- 230000023556 desulfurization Effects 0.000 title abstract description 7
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 21
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 7
- 238000001179 sorption measurement Methods 0.000 claims abstract description 7
- 239000008400 supply water Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002808 molecular sieve Substances 0.000 claims description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000002905 metal composite material Substances 0.000 claims description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 3
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000003902 seawater pollution Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
A seawater liquid column jet type flue gas desulfurization device. The device comprises a dust remover (2), an induced draft fan (5), a chimney (6), water supply pumps (7, 8 and 9), a desulfurizing tower (10), a seawater pool (11) and an aeration tank (15). The method is characterized in that flue gas enters a seawater liquid column desulfurizing tower supplied with seawater through a flue gas valve and a gas-gas heat exchanger arranged in a flue gas conveying pipeline for removing sulfur dioxide after dust removal and heavy metal adsorption, the desulfurized flue gas is subjected to moisture and fine ash removal through a demister and then discharged through a chimney through an induced draft fan, slurry after desulfurization reaction and the removed dust are sent to an aeration tank for neutralization and oxidation, and the flue gas is discharged through a pipeline after reaching the standard. Compared with the prior art, the utility model has the advantages of simple structure is reliable, reasonable in design. High desulfurizing efficiency and low investment and running cost.
Description
The utility model relates to the sea water desulfuration technical field, relates in particular to the device of sprayed sea water column formula flue gas desulfurization.
The pollution of sulfur dioxide is the focus of world many countries environmental protection always, and the flue gas desulfurization technique that various countries successively develop has reached kind more than 200.But, can be applied to the industrial kind more than ten of but having only.Up to the present, in the Industrial Boiler and station boiler of fire coal, adopt wet process of FGD more than 90%, wherein sea water desulfuration need not any additives with it, does not also produce any discarded object, and invests the low characteristics of operating cost and extremely people's concern.In existing flue gas desulfurization with seawater technology, its desulfuration efficiency is about 90%, satisfies the desulfurization requirement under the general situation substantially.But, along with environmental protection standard is strict further, actual application toward contact require that higher desulfuration efficiency is arranged, more circlet border harm and more can adapt to the ability that load constantly changes.Chinese patent, application number: disclosed technical scheme is to use liquid column tower as the gas-liquid reflecting device in 00123472.2.Its shortcoming is that it never is very perfect separating in the pollution problem of control sulfur dioxide desorption and heavy metal.Chinese patent, publication number: disclosed technical scheme is removing of heavy metal to be placed on one independently carry out in the scrubbing tower among the 1147415A.Its shortcoming is, heavy metal removing efficient is low in the system, does not do further subsequent treatment after the heavy metal oxidation, does not fundamentally solve the secondary pollution problem of heavy metal to the marine site, and operating cost and maintenance cost are higher.
In order to solve above-mentioned problems of the prior art, the purpose of this utility model provides a kind of sprayed sea water column formula flue gas desulfur device.This device is reasonable in design, simple in structure, and operating cost is low, desulfuration efficiency height, the secondary pollution that can comprehensively avoid heavy metal etc. that the marine site is caused.
In order to reach above-mentioned goal of the invention, the technical solution of the utility model realizes as follows:
Sprayed sea water column formula flue gas desulfur device, it comprises deduster, air-introduced machine, chimney, three supply-water pumps, desulfurizing tower, seawater pond and aeration tanks.Its design feature is that the top of described desulfurizing tower is connected flue respectively with the middle part of its outer wall.Be respectively equipped with gas-gas heat exchanger in above-mentioned two flues.Top in the desulfurizing tower is provided with demister, and its middle and lower part is provided with the jet pipe that can spray fluid column, and its bottom is provided with the Ta Dichi that can connect the liquid water filling, and tower Di Chi bottom is provided with pipeline and inserts in the pond of exposing to the sun.Exposing to the sun is provided with air blast by the oxidation fan air feed in the pond, and the bottom in the pond of exposing to the sun is provided with drainage pipeline.The inlet of described three supply-water pumps inserts in the seawater pond, supply-water pump-outlet supply water to demister by pipeline; The jet pipe of the outlet of supply-water pump two in desulfurizing tower supplies water.The outlet of supply-water pump three is supplied water in the aeration tank.Carry the pipeline of seawater to insert in the seawater pond.The flue gas mouth of the inlet of described deduster and industrial burner joins, and is provided with the compound adsorption section of heavy metal in the flue of its outlet and can controls the Flue valve that flue gas enters desulfurizing tower top and middle part flue respectively.Air-introduced machine suction inlet and desulfurizing tower top flue join, and the air-introduced machine outlet inserts chimney.
According to technique scheme, described heavy metal composite absorption section is made up of active carbon and zeolite molecular sieve.
The utility model behind the flue gas ash removal of discharging in the combustion apparatus, at first passes through the compound adsorption section of active carbon and zeolite molecular sieve owing to adopted above-mentioned version, and wherein the active carbon part has the adsorbing and removing effect to the mercuryvapour in the flue gas; Zeolite molecular sieve has efficient adsorbing and removing effect equally to heavy metals such as lead, nickel, chromium, thereby efficiently adsorbs and remove heavy metal composition in the flue gas, avoids it to enter down-stream, causes seawater pollution.
The utility model compared with prior art generating technique effect comprises: (1) adopts the liquid column-spraying seawater, helps the abundant mixing of gas-liquid, has greatly strengthened the mass transfer absorption of seawater to sulfur dioxide, thereby has obtained very high desulfuration efficiency (＞95%); (2) adopt in the aeration tank and oxidation integrated structure, reduce occupation area of equipment, and the whole system complexity is lower than existing similar devices; (3) by the tower body draining and in and the injection ratio of seawater, can control the required pH value of sulfite ion optimum oxidation reaction, help the complete oxidation of sulfite ion, prevent the generation of secondary pollution; (4) the fresh water demand of whole system seldom only partly needs a spot of flushing water at heat exchanger, does not have the problem of sewage disposal basically.(5) under the normal operation of this device, the heavy metal contaminants in the flue gas removes in advance at active carbon and the compound adsorption section of zeolite molecular sieve, does not need extra any additives can reach environmental protection standard.It is simple and reliable to have apparatus structure, reasonable in design, desulfuration efficiency height, investment and the low characteristics of operating cost.
Below in conjunction with accompanying drawing and concrete embodiment the utility model is described further.
Fig. 1 is the utility model structure connection layout;
Fig. 2 is the utility model desulfurizing tower structural representation.
Referring to Fig. 1 and Fig. 2, sprayed sea water column formula flue gas desulfur device, it comprises deduster 2, air-introduced machine 5, chimney 6, supply-water pump 789, desulfurizing tower 17, seawater pond 11 and aeration tank 15, and the top of described desulfurizing tower 17 is connected flue 19 and 18 respectively with the middle part of its outer wall.Be respectively equipped with gas-gas heat exchanger 4 in flue 19 and the flue 18.Top in the desulfurizing tower 17 is provided with demister 21, and its middle and lower part is provided with the jet pipe 24 that can spray fluid column 23, and its bottom is provided with pond 25 at the bottom of the tower that can connect fluid column water.25 bottoms, pond are provided with pipeline 16 and insert in the pond 15 of exposing to the sun at the bottom of the tower.Expose to the sun and be provided with air blast 14 in the pond 15 by oxidation fan 12 air feed.The expose to the sun bottom in pond 15 is provided with drainage pipeline 13.Described supply-water pump 7,8 and 9 inlet insert in the seawater pond 11.The outlet of supply-water pump 7 is supplied water to demister 21 by pipeline 22.The jet pipe 24 of the outlet of supply-water pump 8 in desulfurizing tower 17 supplies water.The outlet of supply-water pump 9 is supplied water in aeration tank 15.Carry the pipeline 10 of seawater to insert in the seawater pond 11.The flue gas mouth of the inlet of deduster 2 and industrial burner 1 joins, and is provided with the compound adsorption section 20 of heavy metal in the flue of its outlet and can controls the Flue valve 3 that flue gas enters flue 18 and flue gas output flue 19 respectively.Air-introduced machine 5 suction inlets and flue 19 join, and air-introduced machine 5 outlets insert chimney 6.
When this device used, the flue gas that comes out from industrial burner 1 was through deduster 2 and the compound adsorption section 20 of heavy metal, efficiently adsorbed and removed heavy metal composition in the flue gas.Remove the flue gas of heavy metal composition,, arrive gas-gas heat exchanger 4, enter fluid column desulfurizing tower 17, in the process that moves upward, produce slurries and fully react sulfur dioxide is efficiently removed with fluid column 23 jetted layers by flue 18 through the control of Flue valve 3.Flue gas behind the desulphurization reaction enters demister 21 demist depositing dusts again and handles, and enters gas-gas heat exchanger 4 from exhaust pass 19, passes through the control of Flue valve 3, is taken out by air-introduced machine 5 and draws, and is discharged into chimney 6.The condensate water of coming from the seawater condensing gas enters the pipeline 10 input seawater ponds 11, supply-water pump 7 gives demister 21 for flushing water by pipeline 22, supply-water pump 8 sprays water for desulfurizing tower 17 feed flow posts by jet pipe 24 and forms fluid column 23, and supply-water pump 9 supplies water for the neutral zone of aeration tank 15.The seawater that has absorbed sulfur dioxide in the desulfurizing tower 17 by tower at the bottom of pond 25 discharge tower bodies by pipeline 16, entering aeration tank 15 handles, in the pond 15 of exposing to the sun, mix 5---10 times of seawater with liquid phase in sulfur be converted into the form of sulfite ion, prevent the formed secondary pollution of parsing of sulfur dioxide.12 of oxidation fans are responsible for giving the air blast 14 in the zoneofoxidation of aeration tank 15 to supply air, and the pH value excursion that makes seawater is near 5.5.Seawater with oxidation processes in the process drains into the sea by pipeline 13.
Claims (2)
1, a kind of sprayed sea water column formula flue gas desulfur device, it comprises deduster (2), air-introduced machine (5), chimney (6), supply-water pump (7,8,9), desulfurizing tower (17), seawater pond (11) and aeration tank (15), it is characterized in that: the top of described desulfurizing tower (17) is connected flue (19 respectively with the middle part of its outer wall, 18), be respectively equipped with gas-gas heat exchanger (4) in flue (19) and the flue (18), top in the desulfurizing tower (17) is provided with demister (21), its middle and lower part is provided with the jet pipe (24) that can spray fluid column (23), its bottom is provided with the Ta Dichi (25) that can connect fluid column water, bottom, pond at the bottom of the tower (25) is provided with pipeline (16) and inserts in the pond (15) of exposing to the sun, expose to the sun and be provided with air blast (14) in the pond (15) by oxidation fan (12) air feed, the expose to the sun bottom in pond (15) is provided with drainage pipeline (13), described supply-water pump (7,8,9) inlet inserts in the seawater pond (11), the outlet of supply-water pump (7) is supplied water to demister (21) by pipeline (22), the jet pipe (24) of the outlet of supply-water pump (8) in desulfurizing tower (17) supplies water, the outlet of supply-water pump (9) is supplied water in aeration tank (15), carry the pipeline (10) of seawater to insert in the seawater pond (11), the flue gas mouth of the inlet of described deduster (2) and industrial burner (1) joins, be provided with the compound adsorption section of heavy metal (20) in the flue of its outlet and can control the Flue valve (3) that flue gas enters flue (18) and flue gas output flue (19) respectively, air-introduced machine (5) suction inlet and flue (19) join, and air-introduced machine (5) outlet inserts chimney (6).
2, according to the described sprayed sea water column formula of claim 1 flue gas desulfur device, it is characterized in that: described heavy metal composite absorption section (20) is made up of activated carbon and zeolite molecular sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00267842 CN2467167Y (en) | 2000-12-29 | 2000-12-29 | Seawater liquid column jet type flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00267842 CN2467167Y (en) | 2000-12-29 | 2000-12-29 | Seawater liquid column jet type flue gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2467167Y true CN2467167Y (en) | 2001-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00267842 Expired - Lifetime CN2467167Y (en) | 2000-12-29 | 2000-12-29 | Seawater liquid column jet type flue gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2467167Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411714C (en) * | 2003-02-18 | 2008-08-20 | 徐宝安 | Process and apparatus for producing steam from sulfur reduction and carbon extraction waste heat by flue gas density method |
| CN101557868B (en) * | 2007-02-28 | 2013-04-10 | 三菱重工业株式会社 | System of flue-gas desulfurization with seawater |
-
2000
- 2000-12-29 CN CN 00267842 patent/CN2467167Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411714C (en) * | 2003-02-18 | 2008-08-20 | 徐宝安 | Process and apparatus for producing steam from sulfur reduction and carbon extraction waste heat by flue gas density method |
| CN101557868B (en) * | 2007-02-28 | 2013-04-10 | 三菱重工业株式会社 | System of flue-gas desulfurization with seawater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QINGHUATONGFANG STACK CO.,LTD., ROOM 2907, BUILDIN Free format text: FORMER NAME OR ADDRESS: MAILBOX 2670, BEIJING CITY, 100084 |
|
| CP03 | Change of name, title or address |
Patentee address after: 100083, Beijing, Haidian District, Beijing Tsinghua Tongfang science and Technology Square A block 2907 Tsinghua Tongfang Limited by Share Ltd Patentee address before: 100084 Beijing 2670 mailbox Li Guoliang turn |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100084, Beijing, Haidian District, Beijing Tsinghua Tongfang science and Technology Square A block 2907 Tsinghua Tongfang Limited by Share Ltd Co-patentee after: Tongfang Co.,Ltd. Patentee after: TSINGHUA University Address before: 100084, Beijing, Haidian District, Beijing Tsinghua Tongfang science and Technology Square A block 2907 Tsinghua Tongfang Limited by Share Ltd Co-patentee before: Tsinghua Tongfang Co.,Ltd. Patentee before: Tsinghua University |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081212 Address after: 2907, A block, Tsinghua Tongfang square, Beijing, Haidian District, Beijing, zip code: 100084 Co-patentee after: TONGFANG ENVIRONMENT Co.,Ltd. Patentee after: TSINGHUA University Address before: Tsinghua Tongfang Limited by Share Ltd, A, Tsinghua Tongfang square, Beijing, Haidian District, Beijing, 2907, zip: 100084 Co-patentee before: Tongfang Co.,Ltd. Patentee before: Tsinghua University |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20101229 Granted publication date: 20011226 |