CN201361520Y - Turbulence desulfurization tower for wet flue gas desulfurization - Google Patents
Turbulence desulfurization tower for wet flue gas desulfurization Download PDFInfo
- Publication number
- CN201361520Y CN201361520Y CNU2008201394250U CN200820139425U CN201361520Y CN 201361520 Y CN201361520 Y CN 201361520Y CN U2008201394250 U CNU2008201394250 U CN U2008201394250U CN 200820139425 U CN200820139425 U CN 200820139425U CN 201361520 Y CN201361520 Y CN 201361520Y
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- desulfurization
- flue gas
- layer
- turbulent
- turbulent flow
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Abstract
The utility model relates to a turbulence desulfurization tower for wet flue gas desulfurization, which consists of a tower body, a flue gas inlet, a spray layer, a mist eliminator and a flue gas outlet, and is characterized in that a turbulence generator is arranged between the flue gas inlet and the spray layer, and the spray layer and a desulfurization slurry nozzle are arranged above the turbulence generator; the mist eliminator is arranged above the spay layer, and a water nozzle is arranged above the mist eliminator; the flue gas outlet is arranged at the top end of the tower body, and the turbulence generator consists of a supporting pipe frame and a turbulent pipe layer; the turbulence pipe of the turbulence pipe layer is in an oblong shape, and the ratio of the cross-section radius R to the length H of a straight-line segment is 1 to 3; and the open porosity of the turbulence generator is 20 percent to 50 percent. The utility model has the advantages that the turbulence generator greatly improves the effect of gas-liquid mass transfer, and improves the desulfurization effect under the state of losing a certain pressure and other conditions being unchanged, and the utility model is free of fillers, not easy to block, has compact structure, high efficiency, high operating flexibility and strong adaptability, and is suitable for wet flue gas desulfurization.
Description
Technical field
The utility model belongs to gas cleaning to be handled, particularly a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization increase gas-liquid mass transfer speed.
Background technology
Thermal power plant's Industrial Boiler discharged flue gas contains SO
2, very serious to the pollution of environment.Along with the increasing of China environmental protection dynamics, flue gas desulfurization technique is applied at home and develops.At present, in the flue gas desulfurization field, the wet flue gas desulfurization technology obtains promotion and application widely.Wet flue gas desulfurization is to make desulfurization absorbent with alkaline reagent, with water after serum producing system mixing slaking, in desulfurizing tower with contain SO
2Flue gas fully contact, react, generate the waste liquid be full of sulphite, sulfur in smoke is removed.The tradition desulfurization generally is a hollow-spraying-tower, the gas-liquid mass transfer weak effect, and energy consumption is big, and desulfuration efficiency is low.
Summary of the invention
The purpose of this utility model is, design and produce a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization, a kind of turbulent flow generator is installed between the gas approach of wet flue gas desulfurization tower and spraying layer, improve the structure of turbulent pipe layer, strengthen gas-liquid mass transfer, to improve desulfuration efficiency, and effectively reduce the use amount of desulfurizing agent, reduce liquid-gas ratio, energy efficient, thus lowered operating cost.
The technical solution of the utility model is following realization: a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization, by tower body, gas approach, spraying layer, demister, exhanst gas outlet is formed, gas approach is set below tower body, between gas approach and spraying layer, turbulent flow generator is installed, the turbulent flow generator top is equiped with spraying layer and desulfurization slurry shower nozzle, spraying layer is the spray floral tube of marshalling, the desulfurization slurry shower nozzle is communicated with the desulfurization slurry feed tube, the spraying layer top is a demister, the demister top is provided with sprinkler head, and the tower body top is an exhanst gas outlet, is communicated with chimney.
Aforesaid turbulent flow generator, constitute by supporting pipe support and turbulent pipe layer, fixed placement turbulent pipe layer on the supporting pipe support, the turbulent pipe cross section of turbulent pipe layer is oval type, its cross section circular arc radius R is 1～3 with the ratio of straight line segment length H, the turbulent pipe that is arranged in parallel is vertical with the gas approach direction, and the turbulent flow generator percent opening of formation is 20%～50%, and the turbulent pipe layer can make up for 2～3 layers.
The utility model has the advantages that, adopt turbulent flow generator, impulse force in rising high speed flue gas stream, under the interaction of desulfurization slurry buoyancy of liquid and self gravitation, gas, the flow velocity of liquid increases suddenly, form turbosphere, swiftly flowing air-flow is ground into droplet with slurries, thereby produced enough big mass transfer area, reduce the thickness of two-phase mass transfer air film and liquid film, and constantly destroy the balance of mass transfer, make liquid-in-gas become gas-in-liquid, improved the effect of gas-liquid mass transfer greatly, at the loss certain pressure, improved the effect of desulfurization under the constant situation of other conditions.
The advantage of turbulent flow generator is that high cycle speed, disposal ability are big, the gas-liquid distribution is more even, simple in structure and is difficult for blocked.Reduce liquid-drop diameter, reduce internal resistance; Prolong the time of staying of particle in system, thereby increase the inventory of sending into or shift out system; Eliminate the existence of impurity, to reduce skin resistance; Increase the relative velocity between drop and gas phase, improve the influence that the turbulence level that increases gas-liquid mixed reduces air-film thickness, increase alternate friction simultaneously, to reduce external resistance; Drop is evenly distributed in gas phase and keeps little spacing, reduce external resistance; Drop is imposed additional forces, reduces external resistance, prevented with desulfurizing tower in the existence of the similar gas short circuit phenomenon of channeling, mass transfer is more effective.
Advantage of the present utility model is need not filler, is difficult for stopping up, and compact conformation, the efficient height, operating flexibility is big, and adaptability is strong, and device height reduces, and physical dimension is flat, installs simple, non-maintaining.
The utility model is applicable to the turbulent flow desulfurizing tower of wet flue gas desulfurization.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is a kind of organigram that is used for the turbulent flow desulfurizing tower of wet flue gas desulfurization of the present utility model
Fig. 2 is the organigram of turbulent flow generator
Fig. 3 is the organigram of the turbulent pipe layer of turbulent flow generator
Fig. 4 is the organigram of the turbulent pipe of turbulent flow generator
Among the figure, the 1-tower body, the 2-gas approach, 3-supports pipe support, 4-turbulent pipe layer, 5-spraying layer, 6-demister, 7-sprinkler head, 8-exhanst gas outlet
The specific embodiment
As seen from Figure 1, a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization of the present utility model, by tower body, gas approach, spraying layer, demister, exhanst gas outlet is formed, gas approach 2 is set below tower body 1, the turbulent flow generator that is made of supporting pipe support 3 and turbulent pipe layer 4 is installed between gas approach and spraying layer, the turbulent flow generator top is equiped with spraying layer 5 and desulfurization slurry shower nozzle, the desulfurization slurry shower nozzle is communicated with the desulfurization slurry feed tube, the spraying layer top is a demister 6, the demister top is provided with sprinkler head 7, the tower body top is an exhanst gas outlet 8, and it is communicated with chimney.
As seen from Figure 2, the turbulent pipe that is arranged in parallel is vertical with gas approach 2 directions.
By Fig. 3,4 as seen, the turbulent pipe cross section of the turbulent pipe layer of placing on the supporting pipe support is oval type, and its cross section circular arc radius R is 1～3 with the ratio of the long H of straight section, and the turbulent flow generator percent opening of formation is 20%～50%.
Using method of the present utility model is that during operation, boiler smoke contains a large amount of SO through cleaner dedusting and air-introduced machine air inducing
2Enter the middle and lower part of tower body 1 by gas approach 2 with the flue gas of a small amount of micronic dust, the air-flow rising enters turbulent flow generator 4 then, the spray desulfurization slurry reverse-impact that contains desulfurizing agent with spray under the shower, the gas-liquid flow velocity is accelerated rapidly in turbulent flow generator, form turbosphere, destroyed surface tension of liquid, make liquid become extremely fine particle, thereby increased the specific area that contains the desulfurizing agent water body, the interphase mass transfer effective area significantly strengthened the alternate mass transport process of gas-liquid, formed the turbulent flow liquid layer of boiling shape, the SO in the flue gas
2And the tiny micronic dust of residue cut diameter fully is dissolved in and incorporates in the desulfurization slurry, desulfurization slurry layer progressive additive, when the pneumatic holder power of the flue gas stream that makes progress and desulfurization slurry layer gravity when equilibrating to imbalance, the desulfurization slurry layer that just newly formed of the desulfurization slurry layer that forms replaces earlier.Have the SO that absorbs dissolving
2Enter circulating water pool through outlet downwards, this water is recirculated water, adds desulfurizing agent after the circulation fluid inlet tube is pumped to the shower combination.Upwards enter spraying layer 5 by the flue gas after the turbulent flow generator processing, and, filter, make the remaining SO in the flue gas through spray
2Be dissolved in once more and incorporate in the spray liquid, improve desulfuration efficiency greatly.The clean flue gas of handling is upwards after demister 6 demists, via the emptying of exhanst gas outlet chimney.For preventing the demister fouling, regularly put the fresh water (FW) cleaning by one deck sprinkler head 7 of its top installing and get final product.Demister herein is horizontal, vertical all can.The gas cleaning that purifies is after exhanst gas outlet 8 enters chimney.
Claims (4)
1, a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization, by tower body, gas approach, spraying layer, demister, exhanst gas outlet is formed, and gas approach is set below tower body, and the tower body top is an exhanst gas outlet, it is characterized in that, between gas approach and spraying layer turbulent flow generator is installed, the turbulent flow generator top is equiped with spraying layer and desulfurization slurry shower nozzle, and the desulfurization slurry shower nozzle is communicated with the desulfurization slurry feed tube, the spraying layer top is a demister, and the demister top is provided with sprinkler head.
2, a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization as claimed in claim 1, it is characterized in that, turbulent flow generator, constitute by supporting pipe support and turbulent pipe layer, fixed placement turbulent pipe layer on the supporting pipe support, the turbulent pipe cross section of turbulent pipe layer is oval type, and its cross section circular arc radius R is 1～3 with the ratio of straight line segment length H, the turbulent flow generator percent opening that constitutes is 20%～50%, and the turbulent pipe that is arranged in parallel is vertical with the gas approach direction.
3, a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization as claimed in claim 2 is characterized in that, the turbulent pipe layer is 2～3 layers and makes up.
4, a kind of turbulent flow desulfurizing tower that is used for wet flue gas desulfurization as claimed in claim 1 is characterized in that, spraying layer is the spray floral tube of marshalling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201394250U CN201361520Y (en) | 2008-10-31 | 2008-10-31 | Turbulence desulfurization tower for wet flue gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201394250U CN201361520Y (en) | 2008-10-31 | 2008-10-31 | Turbulence desulfurization tower for wet flue gas desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201361520Y true CN201361520Y (en) | 2009-12-16 |
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ID=41472179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201394250U Expired - Lifetime CN201361520Y (en) | 2008-10-31 | 2008-10-31 | Turbulence desulfurization tower for wet flue gas desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201361520Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108201787A (en) * | 2017-10-17 | 2018-06-26 | 山东炜烨热电有限公司 | A kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device |
| CN108211749A (en) * | 2018-03-28 | 2018-06-29 | 李文 | A kind of wet desulphurization spray column and sulfur method |
| CN111841283A (en) * | 2020-07-31 | 2020-10-30 | 中冶焦耐(大连)工程技术有限公司 | AS tail gas washing device and method |
-
2008
- 2008-10-31 CN CNU2008201394250U patent/CN201361520Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108201787A (en) * | 2017-10-17 | 2018-06-26 | 山东炜烨热电有限公司 | A kind of Two-way Cycle turbulent flow desulfurization and dedusting minimum discharge device |
| CN108211749A (en) * | 2018-03-28 | 2018-06-29 | 李文 | A kind of wet desulphurization spray column and sulfur method |
| CN108211749B (en) * | 2018-03-28 | 2023-12-08 | 李文 | Wet desulfurization spray tower and desulfurization method |
| CN111841283A (en) * | 2020-07-31 | 2020-10-30 | 中冶焦耐(大连)工程技术有限公司 | AS tail gas washing device and method |
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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: NEWHOPE + TALROAD ENVIRONMENTAL PROTECTION GROUP C Free format text: FORMER NAME: LIUHETIANRONG (BEIJING) ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100085, E, building 6, building 9, Wah Wah Street, 3rd Street, Beijing, Haidian District Patentee after: CECEP LiuHe Talroad Environmental Technology Co., Ltd. Address before: 100085, E, building 6, building 9, Wah Wah Street, 3rd Street, Beijing, Haidian District Patentee before: TalRoad Environment Protection Techonology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |
|
| CX01 | Expiry of patent term |