CN2751235Y - Wet method divided flow rotating spray desulfurization and dust collection device - Google Patents
Wet method divided flow rotating spray desulfurization and dust collection device Download PDFInfo
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- CN2751235Y CN2751235Y CN 200420014090 CN200420014090U CN2751235Y CN 2751235 Y CN2751235 Y CN 2751235Y CN 200420014090 CN200420014090 CN 200420014090 CN 200420014090 U CN200420014090 U CN 200420014090U CN 2751235 Y CN2751235 Y CN 2751235Y
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- flue gas
- churning
- fume
- shunting
- wet method
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Abstract
The utility model discloses a rotary-spraying desulfurizing and dust collecting device using a wet method to divide flow, which comprises a fume inlet, a flow dividing device, a fume atomizing chamber, a fume guiding plate, a rotary-spraying main cylinder, a mist removing device, a fume outlet, etc. After fume generated by the combustion of a boiler is carried out with primary flow division, desulphurization and dust collection in the flow dividing device, the fume enters the fume atomizing chamber to be carried out with flow division through the fume guiding plate and then enters the rotary-spraying main cylinder along a tangential direction to be carried out with mist removal and dehydration, and then the purified fume is discharged to a chimney by a draught fan through an arc-shaped granite flue and an auxiliary cylinder; waste water generated in the desulfurizing and dust collecting process passes through an overflow port and then enters a settling tank through a dirt discharging channel. The utility model has the advantages of integrated desulfurization, dust collection, dehydration and mist removal, high desulfurizing and dust collecting efficiency, no ash blockage, no fume with water, little resistance and low running cost.
Description
Technical field
The utility model relates to a kind of wet method shunting churning desulfurizing dust-collector, is used for the improvement of the dust pollution of Industrial Boiler, thermal power station's boiler and Industrial Stoves generation.
Background technology
China's SO2 emissions occupy first place in the world, and surpass 2,000 ten thousand tons for years, and two control district SO2 emissions account for 60% of total amount.China's acid rain area has accounted for 30% of area, and acid rain and sulfur dioxide pollution cause economic loss every year more than 1,000 hundred million yuan, improves and the protection atmosphere quality is directly connected to the people's physical and mental health.The discharging that the characteristics of China's energy resource structure have determined to control coal-fired sulfur dioxide is the emphasis of China's control sulfur dioxide pollution, and the SO2 emissions of control thermal power station boiler, Industrial Boiler, Industrial Stoves are keys of the coal-fired sulfur dioxide pollution of control.China mainly adopts conventional wet dust-removal and desulfurizing, dry method dust and combined type dedusting desulfurization to control sulfur dioxide (SO2) emissions at present, dry method can not desulfurization, in the conventional wet dust-removal and desulfurizing, stifled ash, flue gas with water, high-drag are difficult problems that can't merit restrains always, and in the combined type dedusting desulfurization, efficient is low to become its fatal weakness, simultaneously, in the combined type dedusting desulfurization, equipment perishable easy to wear, operating cost is high.
Present technique has overcome defective of the prior art, for the dust-removal and desulfurizing cause of China provides a new way---and wet method shunting churning desulfurizing dust-collector.
Technical scheme
The purpose of the utility model dust-removal and desulfurizing is to be realized by following technical proposal: the utility model is by gas approach, part flow arrangement, the flue gas spray chamber, the gas approach main channel, the flue gas guide plate, main tube is revolved in spray, demister, formations such as exhanst gas outlet, wherein, import department is provided with current divider at the flue gas shunting device, current divider is a bell mouth shape, the semiarc shape of button in its afterbody is, part flow arrangement import and outlet are provided with spray equipment, several mouth sprays are set, boiler combustion produces contains flue dust, the flue gas of pollutants such as SO2 is finished the shunting desulfurization and dedusting of the first order in part flow arrangement after, enter the flue gas spray chamber; The place is provided with the flue gas guide plate at churning master tube smoke inlet, the flue gas guide plate is installed in the smoke inlet place and forms on the tangential direction of semicircle along churning master tube internal diameter, settle some flue gas guide plates according to certain spacing, flue gas guide plate and flue gas contact jaw are the circular arc setting, and the flue gas after the shunting tangentially enters churning master tube; Revolving the central center diversion column of installing certain altitude of main tube in spray, is axle with the center diversion column, is diversion column contact position, center, leaves the slit of certain distance; Be provided with two-layer and horizontal direction tilting eddy flow plate in a certain angle, be provided with formula shower nozzle in some embeddings between two-layer eddy flow plate, its purpose is to reduce the impact of flue gas to shower nozzle, avoids shower nozzle to stop up.On the churning master tube inwall above the second layer eddy flow plate, some moisture film liquid outlets are set, flue gas is under the effect of center diversion column, tilting eddy flow plate, desulfurizing agent liquid and churning master tube inwall desulfurizing agent liquid film, finish second level desulfurization and dedusting, the bigger particle that forms in the flue gas is got rid of to churning master tube inwall by centrifugal,, realize separating to the bottom with water film flow.
Another preferred version of the utility model, diversion column top, described center is provided with dehydrator, finish separating of flue gas and water, the two-layer ditch that blocks water of installing above day with fog, formed knockdown dewater unit, avoid the phenomenon of flue gas with water, in the dehydrating demisting process, also played the effect of dedusting and desulfurization.
Another preferred version of the utility model, described gas approach main channel and demister top respectively are provided with an inspection chamber.
Another preferred version of the utility model, described demister top also is provided with several and regularly cleans high-pressure nozzle, to prevent the stifled ash of demist dirt.
Further preferred version of the present utility model, described tilting eddy flow plate and horizontal direction angle＜15 °; Described flue gas guide plate is 4.
Another preferred version of the utility model, describedly one granite arc flue is set in a churning master tube and top reducing place of secondary tube, flue gas after being purified is through granite arc flue and secondary tube, to chimney, the waste water that produces in the desulfurization and dedusting process enters sedimentation basin by gap through the blowdown canal by air-introduced machine row.
Wet method shunting churning desulfurizing dust-collector gives flue gas and the sufficient contact area of desulfurizing agent and space and reaction time, thereby the dirt (containing the particulate dirt less than PM10), the SO2 that reach in the flue gas are fully caught, and obtain the purification purpose of high-effective dust-removing desulfurization.
Wet method shunting churning desulfurizing dust-collector dust-removal and desulfurizing process: SO2 in the flue gas and flue dust are by fully mixing with desulfurizing agent, make the flue dust in the flue gas progressively form bigger particle, SO2 contacts the back and generates sulfurous acid with water, effect (neutralization reaction) at desulfurizing agent generates salt and water down, thereby the SO2 in the removal flue gas, SO2 in the flue gas and flue dust are separated from flue gas after forming bigger particle, finish the overall process of flue-gas dust-removing and desulfurization.
The desulfurizing agent preparation system comprises CaO slurrying pond, liquid caustic soda groove, sedimentation basin, doctor solution pond, compositions such as running water and control valve and circulating pump.
Flue gas shunting device, churning master tube all can adopt granite, stainless steel or corrosion-resistance compound steel plate, the flue gas guide plate can adopt granite, stainless steel or anticorrosive anti-wear material, the center diversion column can adopt granite, stainless steel or anticorrosive anti-wear material, demister can be selected lightweight anticorrosive material and stainless steel for use.
The advance of wet method shunting churning desulfurizing dust-collector is: the flue gas that boiler produces is under the effect of current divider, flue gas is shunted and is strong turbulent motion, flue gas is fully contacted with desulfurizing agent liquid, the flue dust of flue gas high speed motion breaks through the air film around the globule and is attracted on the globule, the buck that is condensed into larger particles drops in downward sedimentation under the gravity effect, realizes first order shunting dust-removal and desulfurizing; Flue gas through the flue gas guide plate (with the flue gas contact jaw be the circular arc setting, can reduce SR, reduce flue gas to the impact of guide plate, make that the flue gas second diffluence is more thorough, smoke distribution is more even) produce shunting for the second time, flue gas after the shunting tangentially enters churning master tube, and rotation is risen, in the flue gas uphill process, because rotation produces centrifugal force, help separating of particle behind flue gas and the reactive desulfurizing agent and drop more.Tilting eddy flow plate and horizontal direction are certain included angle (less than 15 °), with diversion column contact position, center, leave the slit of certain distance, solved the easily stifled grey problem of traditional eddy flow plate.The granite arc flue has solved traditional corrosion-prone problem of gap bridge steel flue interface.
The utlity model has following advantage:
The first, realize that desulfurization, dedusting, dehydration, demist are integrated;
The second, desulfuration efficiency, efficiency of dust collection height;
The 3rd, stifled ash, flue gas are not with water, device resistance little;
The 4th, operating cost is low.
Description of drawings
Fig. 1 is wet method shunting churning desulfurizing dust-collector process chart
Fig. 2 is wet method shunting churning desulfurizing dust-collector structural representation
Fig. 3 is king-tower and flue gas shunting device profile
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
With reference to figure 1, Fig. 1 is the technological process of dust-removal and desulfurizing of the present utility model, the flue gas that contains pollutants such as flue dust, SO2 that boiler combustion produces is finished the shunting desulfurization and dedusting of the first order in part flow arrangement 1 after, enter flue gas spray chamber 2, tangentially enter churning master tube 16 by the gas approach main channel, the flue gas second diffluence is more thorough, the more even generation of smoke distribution shunting for the second time, fully react with desulfurizing agent, finish second level desulfurization and dedusting, the more knockdown dewater unit of process dehydrator 9 and demister 12 formation.Flue gas after being purified is arranged to chimney 25 by air-introduced machine 24 through granite arc flue 14 and secondary tube 17.
With reference to figure 2, the utility model is made up of formula shower nozzle 8, dehydrator 9, concrete platform 10, demister 12, the ditch 13 that blocks water, granite arc flue 14, desulfurizing agent compounding system, inspection chamber 15, secondary tube 17, exhanst gas outlet and air-introduced machine 24 etc. in exhanst gas outlet, flue gas shunting device 1, flue gas spray chamber 2, gas approach main channel, flue gas guide plate lower wall 4, churning master tube 16, flue gas guide plate 5, center diversion column 6, tilting eddy flow plate 7, the embedding.Flue gas is in part flow arrangement 1, at first pass through current divider, after in part flow arrangement, finishing the shunting desulfurization and dedusting of the first order, enter flue gas spray chamber 2, flue gas is fine mist in flue gas spray chamber 2, tangentially enters churning master tube 16 by the gas approach main channel, and 16 smoke inlet places are provided with 4 flue gas guide plate 5 through churning master tube, make that the flue gas second diffluence is more thorough, the more even generation of smoke distribution shunting for the second time, the flue gas after the shunting tangentially enters churning master tube 16.The center diversion column 6 of churning master tube 16 central authorities installing certain altitude, with location-plate diversion column is fixed in the middle of the tower body, flue gas rises along 6 rotations of center diversion column through 5 shuntings of flue gas guide plate, center diversion column 6 is provided with two-layer and the level tilting eddy flow plate 7 of (less than 15 °) at an angle, between two-layer tilting eddy flow plate 7, be provided with formula shower nozzle 8 in the embedding of some, its purpose is to reduce the impact of flue gas to shower nozzle, avoids shower nozzle to stop up.On churning master tube 16 inwalls above the second layer eddy flow plate, certain number moisture film liquid outlet 11 is set, flue gas is under the effect of center diversion column 6, tilting eddy flow plate 7, desulfurizing agent liquid and churning master tube 16 inwall desulfurizing agent liquid films, finish second level desulfurization and dedusting, the bigger particle that forms in the flue gas is got rid of to churning master tube 16 inwalls by centrifugal,, realize separating to the bottom with water film flow.Be provided with dehydrator 9 on center diversion column 6 tops, finish separating of flue gas and water.Dehydrator 9 tops installing demister 12, flue gas reaches efficient demist in this space.The installing two-layer ditch 13 that blocks water in demister 12 tops has formed knockdown dewater unit, has avoided the phenomenon of flue gas with water, has also played the effect of dedusting and desulfurization in the dehydrating demisting process.
Flue gas after being purified is arranged to chimney 25 by air-introduced machine 24 through granite arc flue 14 and secondary tube 17.Wet method shunting churning desulfurizing dust-collector gives flue gas and the sufficient contact area of desulfurizing agent and space and reaction time, thereby the dirt (containing the particulate dirt less than PM10), the SO2 that reach in the flue gas are fully caught, and obtain the purification purpose of high-effective dust-removing desulfurization.
Waste water behind flue gas shunting device 1 dust-removal and desulfurizing enters circulating water pool by the overfall 3 of bottom, waste water behind the dust-removal and desulfurizing in the churning master tube 16 enters the doctor solution circulatory system by the overfall 3 of bottom, and this system is made up of sedimentation basin 22, doctor solution pond 23, liquid caustic soda groove 21 etc.
Above gas approach main channel and demister 12, respectively be provided with an inspection chamber 15, above demister, also be provided with several and regularly clean high-pressure nozzle 18 to prevent the stifled ash of demist dirt.
The desulfurizing agent preparation system comprises CaO slurrying pond 20, liquid caustic soda groove 21, sedimentation basin 22, doctor solution pond 23, compositions such as running water and control valve and circulating pump.
With reference to figure 3, in part flow arrangement 1 of the present utility model, flue gas at first passes through current divider, this current divider is bell mouth shape, half arc of button in its afterbody is, when flue gas is flowed through this arcuate structure, be turbulent shape, part flow arrangement import and outlet are provided with spray equipment, several mouth sprays are set, the flue gas that contains pollutants such as flue dust, SO2 that boiler combustion produces is finished the shunting desulfurization and dedusting of the first order in part flow arrangement after, enter flue gas spray chamber 2, flue gas is fine mist in flue gas spray chamber 2, tangentially enters churning master tube 16 by the gas approach main channel.Churning master tube 16 smoke inlet places are provided with 4 flue gas guide plates 5, flue gas guide plate 5 is installed on the smoke inlet place and forms on the tangential direction of semicircle along churning master tube 16 internal diameters, settle 4 flue gas guide plates 5 according to certain spacing, flue gas guide plate 5 is the circular arc setting with the flue gas contact jaw, can reduce SR, reduce flue gas to the impact of guide plate 5, make that the flue gas second diffluence is more thorough, more even generations of smoke distribution shunted for the second time, flue gas after the shunting tangentially enters churning master tube 16, and rotation is risen.
Description of symbols in the Figure of description:
1-flue gas shunting device; 2-flue gas spray chamber; The 3-water seal; Under the 4-flue gas guide plate Dish; 5-flue gas guide plate; 6-central guiding fluidization tower; The tilting spiral board of 7-; The 8-high-efficient atomizing Shower nozzle; The 9-dehydrator; The 10-cemented platform; 11-moisture film liquid outlet; The 12-demister; 13-blocks water and colludes; 14-granite arc flue; The 15-inspection chamber; 16-churning master tube; The secondary tube of 17-; 18-periodic cleaning shower nozzle; The 19-shower; 20-calcium oxide slurrying pond; 21-The liquid caustic soda groove; The 22-sedimentation basin; 23-doctor solution pond; The 24-air-introduced machine; The 25-chimney.
Claims (7)
1. a wet method shunting churning desulfurizing dust-collector comprises gas approach, part flow arrangement, flue gas spray chamber, gas approach main channel, flue gas guide plate, sprays and revolve main tube, demister, exhanst gas outlet, it is characterized in that:
Described flue gas shunting device import department is provided with current divider, and current divider is a bell mouth shape, the semiarc shape of button in its afterbody is, part flow arrangement import and outlet are provided with spray equipment, several mouth sprays are set, and flue gas enters the flue gas spray chamber finish the shunting desulfurization and dedusting of the first order in part flow arrangement after;
Described churning master tube smoke inlet place is provided with the flue gas guide plate, the flue gas guide plate is installed in the smoke inlet place and forms on the tangential direction of semicircle along churning master tube internal diameter, settle some flue gas guide plates according to certain spacing, flue gas guide plate and flue gas contact jaw are the circular arc setting, and the flue gas after the shunting tangentially enters churning master tube;
The center diversion column of main tube central authorities installing certain altitude is revolved in described spray, is axle with the center diversion column, and two-layer and horizontal direction tilting eddy flow plate in a certain angle are set, with diversion column contact position, center, leave the slit of certain distance; Between two-layer eddy flow plate, be provided with formula shower nozzle in some embeddings, on the churning master tube inwall above the second layer eddy flow plate, some moisture film liquid outlets be set, finish separating of flue gas and water.
2. a kind of wet method shunting churning desulfurizing dust-collector according to claim 1, it is characterized in that: diversion column top, described center is provided with dehydrator, finish separating of flue gas and water, the two-layer ditch that blocks water of installing has formed knockdown dewater unit above demister.
3. a kind of wet method shunting churning desulfurizing dust-collector according to claim 1 is characterized in that: wherein said tilting eddy flow plate and horizontal direction angle＜15 °.
4. a kind of wet method shunting churning desulfurizing dust-collector according to claim 1, it is characterized in that: wherein said flue gas guide plate is 4.
5. a kind of wet method shunting churning desulfurizing dust-collector according to claim 1, it is characterized in that: wherein said gas approach main channel and demister top respectively are provided with an inspection chamber.
6. a kind of wet method shunting churning desulfurizing dust-collector according to claim 1, it is characterized in that: wherein said demister top also is provided with several and regularly cleans high-pressure nozzle, to prevent the stifled ash of demist dirt.
7. a kind of wet method shunting churning desulfurizing dust-collector according to claim 1, it is characterized in that: one granite arc flue is set in churning master tube and top reducing place of secondary tube, flue gas after being purified is through granite arc flue and secondary tube, to chimney, the waste water that produces in the desulfurization and dedusting process enters sedimentation basin by gap through the blowdown canal by air-introduced machine row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014090 CN2751235Y (en) | 2004-09-25 | 2004-09-25 | Wet method divided flow rotating spray desulfurization and dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014090 CN2751235Y (en) | 2004-09-25 | 2004-09-25 | Wet method divided flow rotating spray desulfurization and dust collection device |
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| Publication Number | Publication Date |
|---|---|
| CN2751235Y true CN2751235Y (en) | 2006-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420014090 Expired - Fee Related CN2751235Y (en) | 2004-09-25 | 2004-09-25 | Wet method divided flow rotating spray desulfurization and dust collection device |
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| CN (1) | CN2751235Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185842B (en) * | 2007-09-07 | 2011-06-08 | 中国神华能源股份有限公司 | Wet fuel gas desulfurizing absorption tower |
| CN104524903A (en) * | 2014-12-25 | 2015-04-22 | 中冶赛迪工程技术股份有限公司 | Flue gas distribution device |
| CN104745764A (en) * | 2015-04-16 | 2015-07-01 | 迁安市九江线材有限责任公司 | Dedusting system and method for improving wet dedusting effect |
| CN104791819A (en) * | 2015-04-27 | 2015-07-22 | 孙华明 | Biomass fuel boiler equipment |
| CN105091009A (en) * | 2015-09-18 | 2015-11-25 | 中国电力工程顾问集团华东电力设计院有限公司 | Desulfurized gypsum rain separating and collecting system and spinner type chimney with system |
| CN105597483A (en) * | 2016-03-17 | 2016-05-25 | 北京赫宸环境工程股份有限公司 | Device and method for removing vapor dissolved particles by virtue of wet desulphurization exhaust gas cooling method |
| CN108772213A (en) * | 2018-06-27 | 2018-11-09 | 安徽工业大学 | A kind of efficient coal gas of converter eddy flow dehydration device and its dewatering |
-
2004
- 2004-09-25 CN CN 200420014090 patent/CN2751235Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185842B (en) * | 2007-09-07 | 2011-06-08 | 中国神华能源股份有限公司 | Wet fuel gas desulfurizing absorption tower |
| CN104524903A (en) * | 2014-12-25 | 2015-04-22 | 中冶赛迪工程技术股份有限公司 | Flue gas distribution device |
| CN104524903B (en) * | 2014-12-25 | 2017-02-22 | 中冶赛迪工程技术股份有限公司 | Flue gas distribution device |
| CN104745764A (en) * | 2015-04-16 | 2015-07-01 | 迁安市九江线材有限责任公司 | Dedusting system and method for improving wet dedusting effect |
| CN104745764B (en) * | 2015-04-16 | 2017-11-14 | 迁安市九江线材有限责任公司 | Improve the dust pelletizing system and method for wet dedusting effect |
| CN104791819A (en) * | 2015-04-27 | 2015-07-22 | 孙华明 | Biomass fuel boiler equipment |
| CN104791819B (en) * | 2015-04-27 | 2017-04-12 | 山东恒涛节能环保有限公司 | Biomass fuel boiler equipment |
| CN105091009A (en) * | 2015-09-18 | 2015-11-25 | 中国电力工程顾问集团华东电力设计院有限公司 | Desulfurized gypsum rain separating and collecting system and spinner type chimney with system |
| CN105597483A (en) * | 2016-03-17 | 2016-05-25 | 北京赫宸环境工程股份有限公司 | Device and method for removing vapor dissolved particles by virtue of wet desulphurization exhaust gas cooling method |
| CN108772213A (en) * | 2018-06-27 | 2018-11-09 | 安徽工业大学 | A kind of efficient coal gas of converter eddy flow dehydration device and its dewatering |
| CN108772213B (en) * | 2018-06-27 | 2024-03-12 | 安徽工业大学 | Efficient rotary-flow dehydration device for converter gas and dehydration method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |