CN104624007A - Tail flue gas purification device for fluidized boiler - Google Patents
Tail flue gas purification device for fluidized boiler Download PDFInfo
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- CN104624007A CN104624007A CN201510085463.7A CN201510085463A CN104624007A CN 104624007 A CN104624007 A CN 104624007A CN 201510085463 A CN201510085463 A CN 201510085463A CN 104624007 A CN104624007 A CN 104624007A
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- flue gas
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Abstract
The invention relates to a tail flue gas purification device for a fluidized boiler. The tail flue gas purification device comprises a flue gas inlet pipe, a cooling pipe, a separating pipe and a settling pipe, wherein the axis of a cylindrical pipeline of the separating pipe is perpendicular to the ground, and the opening end of the cylindrical pipeline is arranged towards the ground; the flue gas inlet pipe is arranged on the side wall of the cylindrical pipeline, and one end of the flue gas pipe is communicated with the inside of the cylindrical pipeline; the other end of the flue gas pipe is communicated with a tail flue of the fluidized boiler, and the cooling pipe is arranged at the closed end of the top of the separating pipe; one end of the cooling pipe is communicated with the inside of the separating pipe, and a spraying assembly is arranged in the cooling pipe; a separator is arranged on the wall surface of the separating pipe, and comprises a plurality of filter plates which are arranged on the inner wall of the separating pipe in a zigzag staggering manner, and an exhaust duct is arranged at the bottom of the separating pipe. The flue gas is absorbed by water, and the flue gas can be separated from particulate matter and soluble impurities by a separating mechanism for filtering.
Description
Technical field
The present invention relates to a kind of fluidization boiler tail flue gas purifier, belong to fluidization boiler waste gas purification apparatus field.
Background technology
In fluidization boiler, although tail flue gas is through cyclone separator, flue dust and the flyash of the overwhelming majority can be separated, but still having flue dust greatly can be drained in air along with tail flue gas, cause the pollution of environment, corresponding cleaning equipment is also lacked for the gas such as sulfur dioxide, sulfur trioxide simultaneously, also can be drained in air along with tail flue gas, serious pollution can be caused by environment; These flue dust and acid air also can corrode inner wall of stack simultaneously, there is caking and local corrosion at inner wall of stack, make the flow resistance of chimney become large, intensity step-down, the smoke exhaust efficiency of boiler can be badly influenced, certain harmful effect is brought to boiler attendance person and boiler itself.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the low and technical problem that flow resistance is larger of legacy equipment ash disposal efficiency in prior art, provide a kind of fluidization boiler tail flue gas purifier.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of fluidization boiler tail flue gas purifier, comprises smoke-intake pipe, cooling tube, separator tube;
Wherein separator tube is a semi-enclosed cylindrical tube, and the axis of described cylindrical tube is perpendicular to the ground, and the openend of cylindrical tube is towards ground, and smoke-intake pipe is arranged on the sidewall of cylindrical tube;
Described smoke-intake pipe is both ends open, wherein one end of smoke-intake pipe is communicated with cylindrical tube inside, and the other end of smoke-intake pipe is communicated with the back-end ductwork of fluidization boiler, is provided with an air propels assembly A in smoke-intake pipe, by air propels assembly A, cigarette is blown in separator tube via smoke-intake pipe;
Described cooling tube is arranged on the blind end at separator tube top, and described cooling tube is both ends open, and wherein one end of cooling tube is communicated with separator tube inside, and the other end is connected with high-pressure air source, is provided with a spray assemblies in described cooling tube;
The wall of described separator tube is provided with a separator, described separator comprises some filters, described filter presents zigzag interlaced arrangement on the inwall of separator tube, described filter comprises a folding portion towards cooling tube bending, described filter adopts Web materials to make, and described separator tube forms a flexuose flue gas flow channel by some filters;
An exhaust duct is provided with in the bottom of separator tube.
As further innovation of the present invention, one end that described cooling tube is connected with separator tube is also provided with an injection portion, described injection portion comprises the spray orifice that a diameter is less than cooling tube internal diameter.
As further innovation of the present invention, in described exhaust duct, be provided with an air propels assembly B.
As further innovation of the present invention, air propels assembly B comprises a spiral drives impeller B, described drives impeller B comprises a driving shaft B, described exhaust duct inwall is provided with a swinging mounting group B, described driving shaft B and swinging mounting group B is rotationally connected, and support group B is also fixed with one for promoting the drive motors B that drives impeller B rotates.
As further innovation of the present invention, air propels assembly A comprises a spiral drives impeller A, described drives impeller A comprises a driving shaft A, described exhaust duct inwall is provided with a swinging mounting group A, described driving shaft A and swinging mounting group A is rotationally connected, and support group A is also fixed with one for promoting the drive motors A that drives impeller A rotates.
As further innovation of the present invention, described spray assemblies comprises a shower plate, described shower plate is arc, the inside of shower plate is hollow structure, the side of shower plate towards cooling tube center is densely covered with some spray apertures, described spray apertures is communicated with shower plate inner hollow cavity, and the hollow structure of described shower plate is also connected with a feed pipe, described shower plate is supplied water by feed pipe.
As further innovation of the present invention, described separator also comprises an annular stationary bushing, and described filter is fixed on separator tube inwall by stationary bushing.
As further innovation of the present invention, a cooling assembly is also provided with in described smoke-intake pipe, described cooling assembly comprises a cooling pipe, described cooling pipe one end is communicated with smoke-intake pipe, the other end is connected with Low Temperature Liquid source, at cooling pipe, the junction of smoke-intake pipe is provided with a shower plate, described shower plate is densely covered with spray hole, and the Low Temperature Liquid source in described cooling pipe is sprayed onto in smoke-intake pipe by spray hole.
The invention has the beneficial effects as follows:
1, the present invention is compared to traditional soot blower, the present invention adopts water to absorb flue gas, and by the separating mechanism that is filtered, while ensureing that soluble in flue gas or slightly soluble gas carries out good discharge, realize being separated waste gas and particle and soluble impurity, can be separated with liquid particle by filter, be convenient to the recovery of particle, prevent particle from polluting water and soil;
In addition, tubbiness mechanism of the present invention very be convenient to cleaning, cleaning while do not need to dismantle whole equipment yet.
2, jet velocity and the fogging degree of gas-liquid mixture fluid in cooling tube can improve in injection portion of the present invention, improves the mixing efficiency of fluid-mixing and flue gas, improves this equipment further to the ash disposal efficiency of flue gas.
3, the air propels assembly at exhaust duct place can improve the expulsion efficiency of waste gas, prevents waste gas and liquid from occurring fully to mix, and produces acidic liquid, corrodes the inwall of this product.
4, air propels assembly A of the present invention and air-flow pushing component B is and adopts spiral blade wheel structure, spiral drives impeller is compared to the drives impeller of symmetrical blading formula, resistance is lower, and conveniently carry out dismantling and cleaning, the impeller of symmetrical blading formula is easy to, at inner-walls of duct and blade surface deposition flue dust, affect the transfer efficiency of flue gas.
5, separator of the present invention adopts the integrative-structure of bush type, conveniently dismantles separator, to realize clearing up dust impurity isolated on separator.
6, the cooling assembly in smoke-intake pipe can carry out preliminary cooling to flue gas and increase the moisture content in flue gas, prevents flue gas from cannot cool completely in separator tube and in flue gas, dust is adsorbed with water completely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention.
Figure comprises: smoke-intake pipe 1, air propels assembly A2, shower plate 3, cooling pipe 4, cooling tube 5, spray assemblies 6, spray orifice 7, atomising head 8, separator tube 9, filter 10, exhaust duct 11, air propels assembly B12.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, the present invention is a kind of fluidization boiler tail flue gas purifier, comprises smoke-intake pipe 1, cooling tube 5, separator tube 9 and sedimentation pipe;
Wherein separator tube 9 is a semi-enclosed cylindrical tube, and the axis of described cylindrical tube is perpendicular to the ground, and the openend of cylindrical tube is towards ground, and smoke-intake pipe 1 is arranged on the sidewall of cylindrical tube;
Described smoke-intake pipe 1 is both ends open, wherein one end of smoke-intake pipe 1 is communicated with cylindrical tube inside, the other end of smoke-intake pipe 1 is communicated with the back-end ductwork of fluidization boiler, an air propels assembly A2 is provided with in smoke-intake pipe 1, by air propels assembly A2, cigarette is blown in separator tube 9 via smoke-intake pipe 1, air propels assembly A2 comprises a spiral drives impeller A, described drives impeller A comprises a driving shaft A, described exhaust duct 11 inwall is provided with a swinging mounting group A, described driving shaft A and swinging mounting group A is rotationally connected, support group A is also fixed with one for promoting the drive motors A that drives impeller A rotates,
A cooling assembly is also provided with in described smoke-intake pipe 1, described cooling assembly comprises a cooling pipe 4, described cooling pipe 4 one end is communicated with smoke-intake pipe 1, the other end is connected with Low Temperature Liquid source, at cooling pipe 4, the junction of smoke-intake pipe 1 is provided with a shower plate 3, described shower plate 3 is densely covered with spray hole, and the Low Temperature Liquid source in described cooling pipe 4 is sprayed onto in smoke-intake pipe 1 by spray hole.
Described cooling tube 5 is arranged on the blind end at separator tube 9 top, described cooling tube 5 is both ends open, wherein one end of cooling tube 5 is communicated with separator tube 9 inside, one end that described cooling tube 5 is connected with separator tube 9 is also provided with an injection portion, described injection portion comprises the spray orifice 7 that a diameter is less than cooling tube 5 internal diameter, the atomising head 8 that a porous material is made is provided with in the end of spray orifice 7, the other end is connected with high-pressure air source, a spray assemblies 6 is installed in described cooling tube 5, described spray assemblies 6 comprises a shower plate, described shower plate is arc, the inside of shower plate is hollow structure, the side of shower plate towards cooling tube 5 center is densely covered with some spray apertures, described spray apertures is communicated with shower plate inner hollow cavity, the hollow structure of described shower plate is also connected with a feed pipe, described shower plate is supplied water by feed pipe,
The wall of described separator tube 9 is provided with a separator, comprise some filters 10, described filter 10 presents zigzag interlaced arrangement on the inwall of separator tube, described filter 10 comprises a folding portion towards cooling tube bending, described filter adopts Web materials to make, and described separator tube forms a flexuose flue gas flow channel by some filters;
Be provided with an exhaust duct 11 in the bottom of separator tube, described exhaust duct 11 is both ends open, and one end is communicated with separator tube 9, is provided with an air propels assembly B12 in described exhaust duct 11; Air propels assembly B12 comprises a spiral drives impeller B, described drives impeller B comprises a driving shaft B, described exhaust duct 11 inwall is provided with a swinging mounting group B, described driving shaft B and swinging mounting group B is rotationally connected, and support group B is also fixed with one for promoting the drive motors B that drives impeller B rotates;
When carrying out smoke filtration, first flue gas enters in smoke-intake pipe 1 from back-end ductwork, flue gas is under the promotion of the air propels assembly A2 of turbine type, be pressed in separator tube 9 fast, flue gas is in smoke-intake pipe 1 while movement, the low temperature gas-liquid mixture fluid that sprays by cooling assembly cool, the cryogenic liquid of the atomization shape that assembly of simultaneously lowering the temperature sprays makes flue gas become moist, and because having adsorbed hydrone, quality becomes greatly the dust granules in moist flue gas;
After flue gas enters into separator tube 9, gases at high pressure in cooling tube 5 drive the liquid at high speed of ejection on spray assemblies 6 to move to separator tube 9, the water droplet of spray assemblies 6 is atomized, the high-speed gas-liquid fluid-mixing that now moist flue gas and cooling tube 5 spray meets, produce to intersect and mix, the quality of the dust granules now in flue gas becomes large further, its surface viscosity also becomes large further, mixed flue gas air propels assembly A2 and gases at high pressure make a concerted effort drive under, move on separator, dust now in flue gas fully mixes with water, can under the influence of water, successively be attached on separator, being separated of water and particle is carried out by filter, the filter upwards turned down, can prevent particle from flowing out in separator tube along liquid, affect separating effect, flexuose air flow structure, while ensureing good filter effect, also ensure that the expulsion efficiency that tail gas (flue gas after filtration) is good, being separated of dust and water is realized by filter plate 13, reach separation dust, the object of purifying exhaust air, most water-soluble poor carbon dioxide is via air propels assembly B12 simultaneously, is discharged to external environment by exhaust duct 11.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (8)
1. a fluidization boiler tail flue gas purifier, is characterized in that: comprise smoke-intake pipe, cooling tube, separator tube;
Wherein separator tube is a semi-enclosed cylindrical tube, and the axis of described cylindrical tube is perpendicular to the ground, and the openend of cylindrical tube is towards ground, and smoke-intake pipe is arranged on the sidewall of cylindrical tube;
Described smoke-intake pipe is both ends open, wherein one end of smoke-intake pipe is communicated with cylindrical tube inside, and the other end of smoke-intake pipe is communicated with the back-end ductwork of fluidization boiler, is provided with an air propels assembly A in smoke-intake pipe, by air propels assembly A, cigarette is blown in separator tube via smoke-intake pipe;
Described cooling tube is arranged on the blind end at separator tube top, and described cooling tube is both ends open, and wherein one end of cooling tube is communicated with separator tube inside, and the other end is connected with high-pressure air source, is provided with a spray assemblies in described cooling tube;
The wall of described separator tube is provided with a separator, described separator comprises some filters, described filter presents zigzag interlaced arrangement on the inwall of separator tube, described filter comprises a folding portion towards cooling tube bending, described filter adopts Web materials to make, and described separator tube forms a flexuose flue gas flow channel by some filters;
An exhaust duct is provided with in the bottom of separator tube.
2. a kind of fluidization boiler tail flue gas purifier as claimed in claim 1, it is characterized in that: on one end that described cooling tube is connected with separator tube, be also provided with an injection portion, described injection portion comprises the spray orifice that a diameter is less than cooling tube internal diameter.
3. a kind of fluidization boiler tail flue gas purifier as claimed in claim 1, is characterized in that: in described exhaust duct, be provided with an air propels assembly B.
4. a kind of fluidization boiler tail flue gas purifier as claimed in claim 3, it is characterized in that: air propels assembly B comprises a spiral drives impeller B, described drives impeller B comprises a driving shaft B, described exhaust duct inwall is provided with a swinging mounting group B, described driving shaft B and swinging mounting group B is rotationally connected, and support group B is also fixed with one for promoting the drive motors B that drives impeller B rotates.
5. a kind of fluidization boiler tail flue gas purifier as claimed in claim 1, it is characterized in that: air propels assembly A comprises a spiral drives impeller A, described drives impeller A comprises a driving shaft A, described exhaust duct inwall is provided with a swinging mounting group A, described driving shaft A and swinging mounting group A is rotationally connected, and support group A is also fixed with one for promoting the drive motors A that drives impeller A rotates.
6. a kind of fluidization boiler tail flue gas purifier as claimed in claim 1, it is characterized in that: described spray assemblies comprises a shower plate, described shower plate is arc, the inside of shower plate is hollow structure, the side of shower plate towards cooling tube center is densely covered with some spray apertures, described spray apertures is communicated with shower plate inner hollow cavity, and the hollow structure of described shower plate is also connected with a feed pipe, described shower plate is supplied water by feed pipe.
7. a kind of fluidization boiler tail flue gas purifier as claimed in claim 1, is characterized in that: described separator also comprises an annular stationary bushing, and described filter is fixed on separator tube inwall by stationary bushing.
8. a kind of fluidization boiler tail flue gas purifier as claimed in claim 1, it is characterized in that: in described smoke-intake pipe, be also provided with a cooling assembly, described cooling assembly comprises a cooling pipe, described cooling pipe one end is communicated with smoke-intake pipe, the other end is connected with Low Temperature Liquid source, at cooling pipe, the junction of smoke-intake pipe is provided with a shower plate, described shower plate is densely covered with spray hole, and the Low Temperature Liquid source in described cooling pipe is sprayed onto in smoke-intake pipe by spray hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510085463.7A CN104624007B (en) | 2015-02-17 | 2015-02-17 | A kind of fluidization boiler tail flue gas purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510085463.7A CN104624007B (en) | 2015-02-17 | 2015-02-17 | A kind of fluidization boiler tail flue gas purifier |
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| CN104624007A true CN104624007A (en) | 2015-05-20 |
| CN104624007B CN104624007B (en) | 2016-07-06 |
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| CN201510085463.7A Active CN104624007B (en) | 2015-02-17 | 2015-02-17 | A kind of fluidization boiler tail flue gas purifier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104857804A (en) * | 2015-06-01 | 2015-08-26 | 王杨 | Paint spraying exhaust gas treatment device |
| CN104958975A (en) * | 2015-06-03 | 2015-10-07 | 成都恒力达科技有限公司 | Industrial exhaust gas purifier |
| CN106178713A (en) * | 2016-08-16 | 2016-12-07 | 广西联壮科技股份有限公司 | Suction type sack cleaner installed alternately by a kind of multilamellar cloth bag |
| CN114758808A (en) * | 2022-04-14 | 2022-07-15 | 江苏西顿科技有限公司 | Radiation gas and radiation powder processing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860016B (en) * | 2015-02-17 | 2019-07-26 | 周飞 | A kind of ash handling equipment of fluidization boiler back end ductwork |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104857804A (en) * | 2015-06-01 | 2015-08-26 | 王杨 | Paint spraying exhaust gas treatment device |
| CN104857804B (en) * | 2015-06-01 | 2016-09-07 | 王杨 | A kind of lacquer spraying waste gas processing means |
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| CN114758808A (en) * | 2022-04-14 | 2022-07-15 | 江苏西顿科技有限公司 | Radiation gas and radiation powder processing device |
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| Publication number | Publication date |
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| CN104624007B (en) | 2016-07-06 |
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Inventor after: Wang Jiadong Inventor after: Wan Jiabing Inventor after: Chen Liping Inventor after: Cai Xinhao Inventor before: Hu Xiaorong Inventor before: Yu Juan Inventor before: Hu Yu |
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Effective date of registration: 20160613 Address after: Guo Meng Zhen Jiangsu province 224014 Yancheng City District double new road No. 11 Applicant after: Yancheng City Lanfeng Environmental Engineering Technology Co., Ltd. Address before: 214181 Huishan, Jiangsu province Weir Road, No. 17, No. Applicant before: WUXI HAOYU ENERGY SAVING ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
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