CN204494445U - A kind of ash handling equipment of fluidization boiler back end ductwork - Google Patents
A kind of ash handling equipment of fluidization boiler back end ductwork Download PDFInfo
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- CN204494445U CN204494445U CN201520113881.8U CN201520113881U CN204494445U CN 204494445 U CN204494445 U CN 204494445U CN 201520113881 U CN201520113881 U CN 201520113881U CN 204494445 U CN204494445 U CN 204494445U
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- smoke
- tube
- separator
- pipe
- intake pipe
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Abstract
The utility model relates to a kind of ash handling equipment of fluidization boiler back end ductwork, comprises smoke-intake pipe, cooling tube, separator tube and sedimentation pipe; The cylindrical tube axis of separator 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; 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; Cooling tube is arranged on the blind end at separator tube top, and wherein one end of cooling tube is communicated with separator tube inside, is provided with a spray assemblies in cooling tube; The wall of separator tube is provided with a separator, and separator comprises some shutters, and the axis of smoke-intake pipe and cooling tube opening is all towards separator; Sedimentation pipe is arranged on the position of the corresponding separator in below of separator tube, and sedimentation pipe comprises a liquid holding groove, is provided with a filter screen in liquid holding groove; A side of sedimentation pipe is provided with an exhaust duct, and one end is communicated with separator tube.
Description
Technical field
The utility model relates to a kind of ash handling equipment of fluidization boiler back end ductwork, belongs 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.
Utility model content
The technical problems to be solved in the utility model 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 ash handling equipment of fluidization boiler back end ductwork.
The utility model solves the technical scheme that its technical problem adopts:
An ash handling equipment for fluidization boiler back end ductwork, comprises smoke-intake pipe, cooling tube, separator tube and sedimentation pipe;
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, and described separator comprises some shutters, and the opening direction of described shutter is towards the blind end of separator tube, and the axis of described smoke-intake pipe and cooling tube opening is all towards separator;
Described sedimentation pipe is arranged on the position of the corresponding separator in below of separator tube, and described sedimentation pipe comprises a liquid holding groove, is provided with a filter screen in liquid holding groove, is collected the water ash mixture of being discharged by separator shutter by liquid holding groove;
A side of sedimentation pipe is provided with an exhaust duct, and described exhaust duct is both ends open, and one end is communicated with 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, the top of described sedimentation pipe is also provided with a Smoke prevention shell, surrounds one lead cigarette cavity between the top of described sedimentation pipe and the outside wall surface of separator tube by Smoke prevention shell.
As further innovation of the present invention, the wall of described Smoke prevention shell being provided with an automatically controlled exhaust smoke valve, when exhaust smoke level is excessive, carrying out auxiliary smoke evacuation by opening exhaust smoke valve.
As further innovation of the present invention, described exhaust smoke valve comprises a shutter board, described shutter board comprises a housing, some louvre blades are rotatably connected in described housing, described louvre blade comprises a turning cylinder, turning cylinder and drive motors are in transmission connection, and by the rotation of drive motors, louvre blade are opened or closed.
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 beneficial effects of the utility model are:
1, the present invention is compared to traditional soot blower, and the present invention adopts water to absorb flue gas, and by the separating mechanism that is filtered, realizes being separated waste gas and particle, and the further absorption to particle and some water-soluble gases; The present invention simultaneously can be separated with liquid particle by screen pack, is convenient to the recovery of particle, prevents 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, Smoke prevention shell can prevent local flue gas from overflowing between sedimentation pipe and the connection gap of separator tube, causes the impact of environment.
6, the exhaust smoke valve of power-operated shutter chip can when the situation that exhaust smoke level is excessive, and directed carries out suitable discharge to flue gas, prevents flue gas from refluxing, affects the normal combustion of boiler, also can pollute the water-cooling wall of boiler internal simultaneously.
7, 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 utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
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, shutter 10, Smoke prevention shell 11, exhaust smoke valve 12, filter screen 13, liquid holding groove 14, air propels assembly B15, exhaust duct 16.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, the utility model is a kind of ash handling equipment of fluidization boiler back end ductwork, 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 16 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, and described separator comprises some shutters 10, and the opening direction of described shutter 10 is towards the blind end of separator tube 9, and the axis of described smoke-intake pipe 1 and cooling tube 5 opening is all towards separator;
Described sedimentation pipe is arranged on the position of the corresponding separator in below of separator tube 9, and described sedimentation pipe comprises a liquid holding groove 14, is provided with a filter screen 13 in liquid holding groove 14, is collected the water ash mixture of being discharged by separator shutter 10 by liquid holding groove 14;
A Smoke prevention shell 11 is also provided with on the top of sedimentation pipe, surround one by Smoke prevention shell 11 between the top of described sedimentation pipe and the outside wall surface of separator tube 9 and lead cigarette cavity, the wall of described Smoke prevention shell 11 is provided with an automatically controlled exhaust smoke valve 12, when exhaust smoke level is excessive, auxiliary smoke evacuation is carried out by opening exhaust smoke valve 12, described exhaust smoke valve 12 comprises a shutter board, described shutter board comprises a housing, some louvre blades are rotatably connected in described housing, described louvre blade comprises a turning cylinder, turning cylinder and drive motors are in transmission connection, by the rotation of drive motors, louvre blade is opened or closed,
A side of sedimentation pipe is provided with an exhaust duct 16, and described exhaust duct 16 is both ends open, and one end is communicated with separator tube 9, is provided with an air propels assembly B15 in described exhaust duct 16; Air propels assembly B15 comprises a spiral drives impeller B, described drives impeller B comprises a driving shaft B, described exhaust duct 16 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, be attached on separator, carry out aqueous vapor separation by louvre blade simultaneously, louver blade structure is compared to slab construction, can prevent from water attack from getting on separator to rebound, affect separating effect, simultaneously compared to structures such as screen packs 13, louvre blade can allow more dust granules pass through separator, the mixture of last dust and water enters into liquid holding groove 14, being separated of dust and water is realized by filter screen 13, reach separation dust, the object of purifying exhaust air, most water-soluble poor carbon dioxide is via air propels assembly B15 simultaneously, is discharged to external environment by exhaust duct 16,
The exhaust smoke valve 12 of power-operated shutter chip can when the situation that exhaust smoke level is excessive, and directed carries out suitable discharge to flue gas, prevents flue gas from refluxing, affects the normal combustion of boiler, also can pollute the water-cooling wall of boiler internal simultaneously.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (10)
1. an ash handling equipment for fluidization boiler back end ductwork, is characterized in that: comprise smoke-intake pipe, cooling tube, separator tube and sedimentation pipe;
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, and described separator comprises some shutters, and the opening direction of described shutter is towards the blind end of separator tube, and the axis of described smoke-intake pipe and cooling tube opening is all towards separator;
Described sedimentation pipe is arranged on the position of the corresponding separator in below of separator tube, and described sedimentation pipe comprises a liquid holding groove, is provided with a filter screen in liquid holding groove, is collected the water ash mixture of being discharged by separator shutter by liquid holding groove;
A side of sedimentation pipe is provided with an exhaust duct, and described exhaust duct is both ends open, and one end is communicated with separator tube.
2. the ash handling equipment of a kind of fluidization boiler back end ductwork 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. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, is characterized in that: in described exhaust duct, be provided with an air propels assembly B.
4. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 3, is characterized in that: air propels assembly B comprises a spiral drives impeller B, and described drives impeller B comprises one
individual driving shaft B, described exhaust duct inwall is provided with a swinging mounting group B, and 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. the ash handling equipment of a kind of fluidization boiler back end ductwork 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. 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 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. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 1, it is characterized in that: the top of described sedimentation pipe is also provided with a Smoke prevention shell, surrounds one lead cigarette cavity between the top of described sedimentation pipe and the outside wall surface of separator tube by Smoke prevention shell.
8. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 7, is characterized in that: on the wall of described Smoke prevention shell, be provided with an automatically controlled exhaust smoke valve, when exhaust smoke level is excessive, carries out auxiliary smoke evacuation by opening exhaust smoke valve.
9. the ash handling equipment of a kind of fluidization boiler back end ductwork as claimed in claim 8, it is characterized in that: described exhaust smoke valve comprises a shutter board, described shutter board comprises a housing, some louvre blades are rotatably connected in described housing, described louvre blade comprises a turning cylinder, turning cylinder and drive motors are in transmission connection, and by the rotation of drive motors, louvre blade are opened or closed.
10. 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 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 |
|---|---|---|---|
| CN201520113881.8U CN204494445U (en) | 2015-02-17 | 2015-02-17 | A kind of ash handling equipment of fluidization boiler back end ductwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113881.8U CN204494445U (en) | 2015-02-17 | 2015-02-17 | A kind of ash handling equipment of fluidization boiler back end ductwork |
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| Publication Number | Publication Date |
|---|---|
| CN204494445U true CN204494445U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520113881.8U Expired - Fee Related CN204494445U (en) | 2015-02-17 | 2015-02-17 | A kind of ash handling equipment of fluidization boiler back end ductwork |
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| CN (1) | CN204494445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341896A (en) * | 2018-10-17 | 2019-02-15 | 山东前田热能技术股份有限公司 | A kind of monitoring system and monitoring method for cast iron heat exchanger |
| CN111528058A (en) * | 2018-06-15 | 2020-08-14 | 庄臣酿酒（福建）有限公司 | Multifunctional irrigator |
-
2015
- 2015-02-17 CN CN201520113881.8U patent/CN204494445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528058A (en) * | 2018-06-15 | 2020-08-14 | 庄臣酿酒（福建）有限公司 | Multifunctional irrigator |
| CN109341896A (en) * | 2018-10-17 | 2019-02-15 | 山东前田热能技术股份有限公司 | A kind of monitoring system and monitoring method for cast iron heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160217 |