CN104624007B - A kind of fluidization boiler tail flue gas purifier - Google Patents
A kind of fluidization boiler tail flue gas purifier Download PDFInfo
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- CN104624007B CN104624007B CN201510085463.7A CN201510085463A CN104624007B CN 104624007 B CN104624007 B CN 104624007B CN 201510085463 A CN201510085463 A CN 201510085463A CN 104624007 B CN104624007 B CN 104624007B
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Abstract
The present invention relates to a kind of fluidization boiler tail flue gas purifier, including smoke-intake pipe, cooling tube, separation pipe and sedimentation pipe；The cylindrical tube axis separating pipe is perpendicular to the ground, and the opening of cylindrical tube is towards ground, and smoke-intake pipe is arranged on the sidewall of cylindrical tube；Wherein one end of smoke-intake pipe is internal with cylindrical tube to be connected, and the other end of smoke-intake pipe connects with the back-end ductwork of fluidization boiler；Cooling tube is arranged on the blind end separating pipe top, and wherein one end of cooling tube connects with separating pipe inside, is provided with a spray assemblies in cooling tube；Being provided with a separator on the wall separating pipe, including some screen plates, described screen plate presents zigzag interlaced arrangement on the inwall separating pipe；The bottom separating pipe is provided with an exhaust duct；The present invention adopts water that flue gas is absorbed, and by the separating mechanism of a filtration, it is achieved the separation to waste gas and particulate matter and soluble impurity.
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 have substantial portion of flue dust and can be drained in air along with tail flue gas, cause the pollution of environment, also lack corresponding cleaning equipment simultaneously for the gas such as sulfur dioxide, sulfur trioxide, be drained in air as well as tail flue gas, serious pollution can be caused by environment；These flue dust and acid air also can corrode inner wall of stack simultaneously, caking and local corrosion is there is so that the flow resistance of chimney becomes big, intensity step-down at inner wall of stack, the smoke exhaust efficiency of boiler can be badly influenced, boiler attendance person and boiler itself are brought certain harmful effect.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the technical problem that in prior art, legacy equipment ash disposal efficiency is low and flow resistance is bigger, it is provided that 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, including smoke-intake pipe, cooling tube, separation pipe；
Wherein separating Guan Weiyi semi-enclosed cylindrical tube, the axis of described cylindrical tube is perpendicular to the ground, and the opening 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 internal with cylindrical tube to be connected, and the other end of smoke-intake pipe connects with the back-end ductwork of fluidization boiler, is provided with an air-flow pushing component A in smoke-intake pipe, by air-flow pushing component A, cigarette is blown in separation pipe via smoke-intake pipe；
Described cooling tube is arranged on the blind end separating pipe top, and described cooling tube is both ends open, and wherein one end of cooling tube connects with separating pipe 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 separation pipe is provided with a separator, described separator includes some screen plates, described screen plate presents zigzag interlaced arrangement on the inwall separating pipe, described screen plate includes a folding portion towards cooling tube bending, described screen plate adopts Web materials to make, and described separation pipe forms a flexuose flue gas flow channel by some screen plates；
The bottom separating pipe is provided with an exhaust duct.
As the further innovation of the present invention, being additionally provided with an ejection section with separating at described cooling tube on one end that pipe connects, described ejection section includes the diameter spray orifice less than cooling tube internal diameter.
As the further innovation of the present invention, in described exhaust duct, it is provided with an air-flow pushing component B.
Further innovation as the present invention, air-flow pushing component B includes a spiral driving impeller B, described driving impeller B includes one and drives axle B, described exhaust duct inwall is provided with a swinging mounting group B, described driving axle B and swinging mounting group B is rotationally connected, and is further fixed on one and drives the impeller B drive motor B rotated for promoting on support group B.
Further innovation as the present invention, air-flow pushing component A includes a spiral driving impeller A, described driving impeller A includes one and drives axle A, described exhaust duct inwall is provided with a swinging mounting group A, described driving axle A and swinging mounting group A is rotationally connected, and is further fixed on one for promoting the drive motor A driving impeller A to rotate on support group A.
Further innovation as the present invention, described spray assemblies includes a shower plate, described shower plate is arc, the inside of shower plate is hollow structure, on the one side at cooling tube center, it is densely covered with some spray apertures at shower plate, described spray apertures connects with shower plate inner hollow cavity, and the hollow structure of described shower plate is also associated with a feed pipe, and described shower plate is supplied water by feed pipe.
As the further innovation of the present invention, described separator also includes an annular stationary bushing, and described screen plate is fixed on separation inside pipe wall by stationary bushing.
Further innovation as the present invention, a cooling assembly it is additionally provided with in described smoke-intake pipe, described cooling assembly includes a cooling pipe, described cooling pipe one end connects with smoke-intake pipe, the other end is connected to Low Temperature Liquid source, the junction of cooling pipe with smoke-intake pipe being provided with a shower plate, described shower plate is densely covered with spray hole, 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 that flue gas is absorbed, and by the separating mechanism that is filtered, while ensureing that soluble in flue gas or sparingly soluble gas carries out good discharge, realize the separation to waste gas and particulate matter and soluble impurity, particulate matter and liquid can be easily separated by screen plate, it is simple to the recovery of particulate matter, it is prevented that water and soil earth is polluted by particulate matter；
In addition, the tubbiness mechanism of the present invention very be easy to clean, clean while dismantle also without to whole equipment.
2, the ejection section of the present invention can improve jet velocity and the fogging degree of gas-liquid mixture fluid in cooling tube, improves the mixing efficiency of fluid-mixing and flue gas, improves this equipment ash disposal efficiency to flue gas further.
3, the air-flow pushing component at exhaust duct place can improve the expulsion efficiency of waste gas, it is prevented that waste gas and liquid are sufficiently mixed, and produces acidic liquid, the inwall of this product is corroded.
4, the air-flow pushing component A and air-flow pushing component B of the present invention is the spiral blade wheel structure of employing, spiral driving impeller is compared to the driving impeller of symmetrical blading formula, resistance is lower, and conveniently carry out dismantling and cleaning, the impeller of symmetrical blading formula is easy to deposit flue dust at inner-walls of duct and blade surface, affects the transfer efficiency of flue gas.
5, the separator of the present invention adopts the integrative-structure of bush type, conveniently separator is dismantled, to realize dust impurity isolated on separator is cleared up.
6, flue gas can be carried out preliminary cooling and the moisture content increasing in flue gas by the cooling assembly in smoke-intake pipe, it is prevented that flue gas cannot cool down completely in separation pipe 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 the structural representation of the present invention.
Figure includes: smoke-intake pipe 1, air-flow pushing component A2, shower plate 3, cooling pipe 4, cooling tube 5, spray assemblies 6, spray orifice 7, atomising head 8, separation pipe 9, screen plate 10, exhaust duct 11, air-flow pushing component 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, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention.
As it is shown in figure 1, the present invention is a kind of fluidization boiler tail flue gas purifier, including smoke-intake pipe 1, cooling tube 5, separate pipe 9 and sedimentation pipe；
Wherein separating pipe 9 is a semi-enclosed cylindrical tube, and the axis of described cylindrical tube is perpendicular to the ground, and the opening 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 internal with cylindrical tube to be connected, the other end of smoke-intake pipe 1 connects with the back-end ductwork of fluidization boiler, an air-flow pushing component A2 it is provided with in smoke-intake pipe 1, by air-flow pushing component A2, cigarette is blown in separation pipe 9 via smoke-intake pipe 1, air-flow pushing component A2 includes a spiral driving impeller A, described driving impeller A includes one and drives axle A, described exhaust duct 11 inwall is provided with a swinging mounting group A, described driving axle A and swinging mounting group A is rotationally connected, support group A is further fixed on one for promoting the drive motor A driving impeller A to rotate；
A cooling assembly it is additionally provided with in described smoke-intake pipe 1, described cooling assembly includes a cooling pipe 4, described cooling pipe 4 one end connects with smoke-intake pipe 1, the other end is connected to Low Temperature Liquid source, the junction of cooling pipe 4 with smoke-intake pipe 1 is provided with a shower plate 3, being densely covered with spray hole in described shower plate 3, the Low Temperature Liquid source in described cooling pipe 4 is sprayed onto in smoke-intake pipe 1 by spray hole.
nullDescribed cooling tube 5 is arranged on the blind end separating pipe 9 top，Described cooling tube 5 is both ends open，Wherein one end of cooling tube 5 connects with separating pipe 9 inside，With separating, one end that pipe 9 connects is additionally provided with an ejection section at described cooling tube 5，Described ejection section includes the diameter spray orifice 7 less than cooling tube 5 internal diameter，The atomising head 8 that a porous material is made it is provided with in the end of spray orifice 7，The other end is connected with high-pressure air source，One spray assemblies 6 is installed in described cooling tube 5，Described spray assemblies 6 includes a shower plate，Described shower plate is arc，The inside of shower plate is hollow structure，On the one side at cooling tube 5 center, it is densely covered with some spray apertures at shower plate，Described spray apertures connects with shower plate inner hollow cavity，The hollow structure of described shower plate is also associated with a feed pipe，Described shower plate is supplied water by feed pipe；
The wall of described separation pipe 9 is provided with a separator, including some screen plates 10, described screen plate 10 presents zigzag interlaced arrangement on the inwall separating pipe, described screen plate 10 includes a folding portion towards cooling tube bending, described screen plate adopts Web materials to make, and described separation pipe forms a flexuose flue gas flow channel by some screen plates；
The bottom separating pipe is provided with an exhaust duct 11, and described exhaust duct 11 is both ends open, and one end connects with separating pipe 9, is provided with an air-flow pushing component B12 in described exhaust duct 11；Air-flow pushing component B12 includes a spiral driving impeller B, described driving impeller B includes one and drives axle B, described exhaust duct 11 inwall is provided with a swinging mounting group B, described driving axle B and swinging mounting group B is rotationally connected, and is further fixed on one and drives the impeller B drive motor B rotated for promoting on support group B；
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-flow pushing component A2 of turbine type, quickly it is pressed in separation pipe 9, flue gas is in smoke-intake pipe 1 while movement, being cooled down by the cooling low temperature gas-liquid mixture fluid that sprays of assembly, the cryogenic liquid of the atomization shape that cooling assembly sprays simultaneously makes flue gas become moist through, and dust granules in moist flue gas is because having adsorbed hydrone and quality becomes greatly；
nullAfter flue gas enters into separation pipe 9，Gases at high pressure in cooling tube 5 drive the liquid at high speed of ejection on spray assemblies 6 to move to separation pipe 9，The water droplet making spray assemblies 6 is atomized，The high-speed gas-liquid fluid-mixing that now moist flue gas sprays with cooling tube 5 meets，Produce to intersect and mix，Now the quality of the dust granules in flue gas becomes big further，Its surface viscosity also becomes big further，Mixed flue gas is under the drive with joint efforts of air-flow pushing component A2 and gases at high pressure，Move on separator，Now the dust in flue gas is sufficiently mixed with water，Can under the influence of water，Successively it is attached on separator，The separation of water and particulate matter is carried out by screen plate，The screen plate flipped up，It is possible to prevent particulate matter along liquid from separating outflow in pipe，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，The separation of dust and water is realized by filter plate 13，Reach to separate dust，Purify the purpose of waste gas；The carbon dioxide that most water solublity is poor simultaneously, via air-flow pushing component B12, is discharged to external environment by exhaust duct 11.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily 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 in description, it is necessary to determine its technical scope according to right.
Claims (6)
1. an ash handling equipment for fluidization boiler back end ductwork, is characterized in that: include smoke-intake pipe, cooling tube, separation pipe；Wherein separating Guan Weiyi semi-enclosed cylindrical tube, the axis of described cylindrical tube is perpendicular to the ground, and the opening 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 internal with cylindrical tube to be connected, and the other end of smoke-intake pipe connects with the back-end ductwork of fluidization boiler, is provided with an air-flow pushing component A in smoke-intake pipe, by air-flow pushing component A, cigarette is blown in separation pipe via smoke-intake pipe；Described cooling tube is arranged on the blind end separating pipe top, and described cooling tube is both ends open, and wherein one end of cooling tube connects with separating pipe 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 separation pipe is provided with a separator, described separator includes some screen plates, described screen plate presents zigzag interlaced arrangement on the inwall separating pipe, described screen plate includes a folding portion towards cooling tube bending, described screen plate adopts Web materials to make, and described separation pipe forms a flexuose flue gas flow channel by some screen plates；The bottom separating pipe is provided with an exhaust duct；Being additionally provided with an ejection section with separating on one end that pipe connects at described cooling tube, described ejection section includes the diameter spray orifice less than cooling tube internal diameter；An air-flow pushing component B it is provided with in described exhaust duct.
2. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, it is characterized in that: air-flow pushing component B includes a spiral driving impeller B, described driving impeller B includes one and drives axle B, described exhaust duct inwall is provided with a swinging mounting group B, described driving axle B and swinging mounting group B is rotationally connected, and is further fixed on one and drives the impeller B drive motor B rotated for promoting on support group B.
3. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, it is characterized in that: air-flow pushing component A includes a spiral driving impeller A, described driving impeller A includes one and drives axle A, described exhaust duct inwall is provided with a swinging mounting group A, described driving axle A and swinging mounting group A is rotationally connected, and is further fixed on one for promoting the drive motor A driving impeller A to rotate on support group A.
4. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, it is characterized in that: described spray assemblies includes a shower plate, described shower plate is arc, the inside of shower plate is hollow structure, on the one side at cooling tube center, it is densely covered with some spray apertures at shower plate, described spray apertures connects with shower plate inner hollow cavity, and the hollow structure of described shower plate is also associated with a feed pipe, and described shower plate is supplied water by feed pipe.
5. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, is characterized in that: described separator also includes an annular stationary bushing, and described screen plate is fixed on separation inside pipe wall by stationary bushing.
6. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, it is characterized in that: in described smoke-intake pipe, be additionally provided with a cooling assembly, described cooling assembly includes a cooling pipe, described cooling pipe one end connects with smoke-intake pipe, the other end is connected to Low Temperature Liquid source, the junction of cooling pipe with smoke-intake pipe being provided with a shower plate, described shower plate is densely covered with spray hole, the Low Temperature Liquid source in described cooling pipe is sprayed onto in smoke-intake pipe by spray hole.
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| 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 CN104624007A (en) | 2015-05-20 |
| CN104624007B true CN104624007B (en) | 2016-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613485A (en) * | 2015-02-17 | 2015-05-13 | 无锡昊瑜节能环保设备有限公司 | Ash removing device of tail flue of fluidized boiler |
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| CN104857804B (en) * | 2015-06-01 | 2016-09-07 | 王杨 | A kind of lacquer spraying waste gas processing means |
| CN104958975B (en) * | 2015-06-03 | 2016-10-05 | 李爱辉 | A kind of industrial waste-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 |
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| CN102519051A (en) * | 2011-12-31 | 2012-06-27 | 总装备部工程设计研究总院 | Flue gas spraying, purifying and heat recovering system for coal burning boiler |
| CN203852977U (en) * | 2014-04-10 | 2014-10-01 | 河北白晶环境科技有限公司 | Flue gas treatment device |
| CN204502687U (en) * | 2015-02-17 | 2015-07-29 | 无锡昊瑜节能环保设备有限公司 | A kind of fluidization boiler tail flue gas purifier |
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2015
- 2015-02-17 CN CN201510085463.7A patent/CN104624007B/en active Active
Patent Citations (5)
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| DE4310934C1 (en) * | 1993-04-02 | 1994-06-30 | Thermoselect Ag Vaduz | Sepn of liquefied solids from hot gas streams, e.g. combustion exhaust |
| JP4406210B2 (en) * | 2003-03-06 | 2010-01-27 | メタウォーター株式会社 | Exhaust gas cooling tower |
| CN102519051A (en) * | 2011-12-31 | 2012-06-27 | 总装备部工程设计研究总院 | Flue gas spraying, purifying and heat recovering system for coal burning boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104613485A (en) * | 2015-02-17 | 2015-05-13 | 无锡昊瑜节能环保设备有限公司 | Ash removing device of tail flue of fluidized boiler |
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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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