CN204933182U - A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system - Google Patents
A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system Download PDFInfo
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- CN204933182U CN204933182U CN201520728651.2U CN201520728651U CN204933182U CN 204933182 U CN204933182 U CN 204933182U CN 201520728651 U CN201520728651 U CN 201520728651U CN 204933182 U CN204933182 U CN 204933182U
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Abstract
A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system, comprising: fluidized bed furnace, dust-settling compartment, blast pipe, Bottom Ash Produced From Fbc Boiler bucket, fluidized bed furnace exhaust opening, depositing dust bucket, dirt airduct, cyclone dust collectors, deduster exhaust outlet, exhaust duct, duplex cyclone dust collectors, cyclone dust collectors discharge pipe, water bath desulfurization tower, desulfurizing tower blast pipe, exhaust outlet, air-introduced machine, chimney, precipitation pond, water pump, pumping line, sparge pipe, water pump self-suction vacuum, screen cover, clear water reserviors, clear water reserviors overflow pipe, duplex relay valve, dust discharge mud mouth, wet grey pond, wet ash; It is characterized in that: the afterbody flue dust of fluidized bed furnace is by depositing dust bucket, second cyclone dust extractor, major part flue dust lands at this, enter water bath desulfurization tower, high temperature sulfur-bearing dusty gas carries out water bath dust-removing desulfurization, sulfurous gas meets water can generate weak acid, add the acid-base value of soda ash or neutralization with lime water pool inner water, air-flow through air-introduced machine discharged to chimney; Water bath dust-removing desulfurization and dirt ash processing method technique advanced person, equipment is simple, and little power consumption, dust-removal and desulfurizing is effective, is the dust removing desulphurization plant of a kind of advanced person.
Description
technology neck city
The utility model relates to a kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system, belongs to Environmental-protecting dust-removing equipment and technology neck city.
Background technology
The afterbody soot emissions of fluidized bed furnace and various heat source furnace, all the time be a problem of making every effort to perfect, other pernicious gas content such as the sulphur in flue dust, carbon dioxide are very high, if do not processed, very heavy damage will be caused to ecological environment, existing flue gas discharge capacity is the kiln of two ten thousand steres per hour, only has simple cyclone dust collectors, does not reach the discharge standard of national environmental protection goal.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system, effectively processes the afterbody flue dust of fluidized bed furnace and various heat source furnace.
In order to solve above technical problem, the utility model provides a kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system, comprise: fluidized bed furnace, dust-settling compartment, blast pipe, Bottom Ash Produced From Fbc Boiler bucket, fluidized bed furnace exhaust opening, depositing dust bucket, dirt airduct, cyclone dust collectors, cyclone dust collectors discharge pipe, duplex cyclone dust collectors, duplex cyclone dust collectors exhaust outlet, exhaust duct, water bath desulfurization tower blast pipe, water bath desulfurization tower, desulfurizing tower sieve tray, desulfurizing tower exhaust outlet, air-introduced machine, chimney, precipitation pond, sedimentation basin overflow pipe, water pump, pumping line, sparge pipe, water pump self-suction vacuum, water inlet pipe screen cover, clear water reserviors, clear water reserviors overflow pipe, duplex relay valve, dust discharge mud mouth, wet grey pond, wet ash, forklift ash discharge slope road, it is characterized in that: fluidized bed furnace top is provided with dust-settling compartment, dust-settling compartment blast pipe connects with depositing dust bucket, the bottom ash of Bottom Ash Produced From Fbc Boiler bucket by duplex relay valve discharged to wet grey pond, fluidized bed furnace exhaust opening connects with depositing dust bucket, the dirt airduct of depositing dust bucket connects with the blast pipe of cyclone dust collectors, cyclone dust collectors discharge pipe connects with duplex cyclone dust collectors blast pipe in parallel, duplex cyclone dust collectors exhaust outlet connects with water bath desulfurization tower blast pipe through exhaust duct, water bath desulfurization tower exhaust outlet connects with fan inlet, air-introduced machine exhaust outlet connects with chimney, blast pipe, dirt airduct, cyclone dust collectors discharge pipe, exhaust duct, water bath desulfurization tower blast pipe, desulfurizing tower exhaust outlet and all ventilation shafts cross that wind plane of structure is long-pending is not less than 0.3 ㎡ (about 10000 cubes/hours exhaust smoke level kilns), depositing dust bucket, cyclone dust collectors, duplex cyclone dust collectors dust inlet are all provided with the duplex relay valve of connecting up and down, are automatically entered by dirt ash in wet grey pond, in wet grey pond, water are housed, are soaked by dirt ash, are transported outward by the disposable entrucking of forklift, water bath desulfurization shell concrete or corrosion resistant plate are welded, leftover bits and pieces is connected with precipitation pond, water bath desulfurization shell diametric requirements is at more than 2000mm, internal volume is at 15-20 cubic meter, require that precipitation pond internal volume is more than 20 cubic metres, in water bath desulfurization tower, sieve tray is installed, sieve tray bore diameter is 40-45mm, boring area is 40 ﹪ of sieve tray area, sieve tray is placed with the hollow temperature resistant plastic ball of layer 2-3, be used for increasing the contact area of the cloud of dust and water, cloud of dust non-rectilinear is guided to run, georama surface stays Circularhole diameter to be 10-20mm, ball diameter is 60-80mm, the waterline in precipitation pond there is a pond overflow pipe, exports and be connected with clear water reserviors, clear water reserviors are provided with clear water reserviors overflow pipe, regulate water level, water outlet is connected with wet grey pond, and in clear water reserviors, molten amassing is no less than 50 cubic metres, greatly better, the water inlet pipe front end of water pump in clear water reserviors is provided with water pump self-suction vacuum, screen cover is installed in water pump self-suction vacuum front end, pumping line connects with the sparge pipe on water bath desulfurization tower top, and sparge pipe has water jet, is sprayed to by water above plastics ball that sieve tray seethes with excitement.
Water bath desulfurization tower blast pipe went here and there straight skewer to precipitation tank water bit line limit from dust-removal and desulfurizing tower top cover and sieve tray center; the outlet of water bath desulfurization tower blast pipe and precipitation tank water bit line set waterline as 0 at a distance of for ± 50mm(); according to emission request adjustment air inlet underwater penetration; enter the depth of water then good dedusting effect, but air-introduced machine suction requires to increase; Air-flow is gone out through exhaust outlet and to be connected with air-introduced machine, and air-introduced machine exhaust outlet is connected with chimney; In precipitation pond, soda ash or quick lime is added by adding alkali machine quantitative timing, the acid-base value of neutralization precipitation water pool inner water, generation salts substances precipitates, precipitation pond dirt mud through mud discharging mouth discharged to wet grey pond, in wet grey pond, water is housed, to be soaked by dirt ash very soon, prevent secondary pollution, wet ash is transported outward by the disposable entrucking of forklift; The closed circuit ring of escaping of full working procedure, the not outer row of waste water, save water source, free from environmental pollution, dusting and desulfuring system equipment operates without the need to special messenger.
Following progress is had: 1. flue dust is due to the suction of air-introduced machine after water bath dust-removing desulfurization and dirt ash treatment system are installed in the outlet of fluidized bed furnace and various heat source furnace, bulky grain enters depositing dust bucket, duplex cyclone dust collectors are owing to adding one times, serious offense wind section, wind speed reduces, and meets major part dirt ash of good depositing dust time in this landing.2. when water bath desulfurization tower is crossed in footpath, air-flow is through washing, and granule flue dust soaks by water smoke, being mixed in water and declining in precipitation pond.3. the high temperature sulfurous gas of fluidized bed furnace is met water and can be generated weak acid, in precipitation pond, add soda ash or quick lime, the acid-base value of neutralization precipitation water pool inner water, and generates salts substances precipitation.4. because flue dust is through washing, and through buck desulfurization, discharged to the flue gas energy qualified discharge of chimney.5. equipment operates without the need to special messenger.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing is the utility model structural representation.
In accompanying drawing: 1. fluidized bed furnace, 2. dust-settling compartment, 3. blast pipe, 4. Bottom Ash Produced From Fbc Boiler bucket, 5. fluidized bed furnace exhaust opening, 6. depositing dust bucket, 7. dirt airduct, 8. cyclone dust collectors, 9. cyclone dust collectors discharge pipe, 10. duplex cyclone dust collectors, 11. duplex cyclone dust collectors exhaust outlets, 12. exhaust ducts, 13. water bath desulfurization tower blast pipes, 14. desulfurizing tower sieve trays, 15. water bath desulfurization towers, 16. desulfurizing tower exhaust outlets, 17. air-introduced machines, 18. chimneys, 19. precipitation ponds, 20. pumping lines, 21. water pumps, 22. sparge pipes, 23. water pump self-suction vacuum, 24. water inlet pipe screen covers, 25. clear water reserviors, 26. clear water reserviors overflow pipes, 27. duplex relay valves, 28. dust discharge mud mouths, 29. wet grey ponds, 30. wet ashes, 31. forklift ash discharge slopes road, 32. precipitation pond overflow pipes, 33. temperature resistant plastic hollow balls.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to accompanying drawing, fluidized bed furnace 1 top is provided with dust-settling compartment 2, and dust-settling compartment blast pipe 3 connects with depositing dust bucket 6, the bottom ash of Bottom Ash Produced From Fbc Boiler bucket 4 by duplex relay valve 27 discharged to wet grey pond 29; Fluidized bed furnace exhaust opening 5 connects with depositing dust bucket 6, the dirt airduct 7 of depositing dust bucket 6 connects with the blast pipe of cyclone dust collectors 8, the discharge pipe 9 of cyclone dust collectors parallel connection connects with the blast pipe of duplex cyclone dust collectors 10, the exhaust outlet 11 of duplex cyclone dust collectors 10 connects with exhaust duct 12, exhaust duct 12 connects with water bath desulfurization tower blast pipe 13, water bath desulfurization tower exhaust outlet 16 connects with air-introduced machine 17 air inlet, and air-introduced machine 17 exhaust outlet connects with chimney 18; Water bath desulfurization tower inside is provided with sieve tray 14; The dust inlet of depositing dust bucket 6, cyclone dust collectors 8, duplex cyclone dust collectors 10 is all provided with duplex relay valve 27, dirt ash is entered in wet grey pond 29, in wet grey pond 29, water is housed, dirt ash is soaked into wet ash 30, by forklift disposable entrucking outward transport from forklift ash discharge slope road 31.
Water bath desulfurization tower 15 shell concrete or corrosion resistant plate are welded, and get a foothold and precipitate pond 19 and be connected, the every layer of sieve tray 14 in water bath desulfurization tower 15 being stacked with layer 2-3 temperature resistant plastic hollow ball 31; The waterline in precipitation pond 19 there is a pond gap 32, outlet connects with clear water reserviors 25, quantitative timing adds soda ash or quick lime in precipitation pond 19, the acid-base value of water in neutralization precipitation pond 19, and generate salts substances precipitation, precipitation pond 19 dirt mud through dust discharge mud mouth 28 discharged to wet grey pond 29.
Clear water reserviors 25 are provided with water pump 21, pumping line 20 is connected with sparge pipe 22, water pump 21 water inlet pipe front end is provided with water pump self-suction vacuum 23, the water inlet pipe front end of water pump self-suction vacuum 23 is provided with water inlet pipe screen cover 24, and the water pump 21 water inlet pipe front end of installing water pump self-suction vacuum 23 does not need to install bottom valve.
With reference to accompanying drawing, during work, the afterbody flue dust of fluidized bed furnace 1 is by depositing dust bucket 6 one-level depositing dust, dirt wind enters cyclone dust collectors 8 then through dirt airduct 7, and most of flue dust lands at this, enters water bath desulfurization tower 15 again containing entering exhaust duct 13 compared with the dirt wind of particulate after duplex cyclone dust collectors 11, clear water in clear water reserviors 25 filters through pump water inlet screen cover, water pump 21 is entered through water pump self-suction vacuum 23, sparge pipe 22 is entered from pumping line 20, on the sieve tray 14 spraying to water bath desulfurization tower 15 Inner the strong state of boiling temperature resistant plastic hollow ball 31 above, comparatively dustshot is mixed in water and flows into precipitation pond 19, when high temperature sulfur-bearing dusty gas carries out water bath dust-removing desulfurization, sulfurous gas meets water can generate weak acid, soda ash or quick lime is added in precipitation pond 19, the acid-base value of water in neutralization precipitation pond 19, and generate salts substances precipitation, air-flow enters air-introduced machine 17 discharged to chimney 18 through water bath desulfurization tower exhaust outlet 16.
Use through Shuo Jia land plaster factory and bentonite factory production line, the high temperature sulfur-bearing dusty gas of water bath desulfurization tower to fluidized bed furnace is installed and carries out water bath dust-removing desulfurization, dirt ash directly enters wet grey pond and soaks, decrease the secondary pollution of dirt ash to plant area, and system is done without the need to Zhuan industry Ren person Shu, disposablely to be transported outward by forklift entrucking; Its technique is advanced, equipment is simple, little power consumption, dust-removal and desulfurizing is respond well, and carries out closed circuit ring of escaping, and waste water enters wet ash in wet ashpit, save water source, free from environmental pollution, can reach national environmental protection department FSP concentration of emission secondary discharge standard, be a kind of very advanced dust-collecting sulfur-removing method be worthy to be popularized.
Claims (7)
1. a fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system, comprise: fluidized bed furnace, dust-settling compartment, blast pipe, Bottom Ash Produced From Fbc Boiler bucket, fluidized bed furnace exhaust opening, depositing dust bucket, dirt airduct, cyclone dust collectors, cyclone dust collectors discharge pipe, duplex cyclone dust collectors, duplex cyclone dust collectors exhaust outlet, exhaust duct, water bath desulfurization tower blast pipe, water bath desulfurization tower, desulfurizing tower sieve tray, desulfurizing tower exhaust outlet, air-introduced machine, chimney, precipitation pond, sedimentation basin overflow pipe, water pump, pumping line, sparge pipe, water pump self-suction vacuum, water inlet pipe screen cover, clear water reserviors, clear water reserviors overflow pipe, duplex relay valve, dust discharge mud mouth, wet grey pond, wet ash, forklift ash discharge slope road, temperature resistant plastic hollow ball, it is characterized in that: fluidized bed furnace top is provided with dust-settling compartment, dust-settling compartment blast pipe connects with depositing dust bucket, the bottom ash of Bottom Ash Produced From Fbc Boiler bucket by duplex relay valve discharged to wet grey pond, fluidized bed furnace exhaust opening connects with depositing dust bucket, the dirt airduct of depositing dust bucket connects with the blast pipe of cyclone dust collectors, cyclone dust collectors discharge pipe connects with duplex cyclone dust collectors blast pipe in parallel, duplex cyclone dust collectors exhaust outlet connects with water bath desulfurization tower blast pipe through exhaust duct, water bath desulfurization tower exhaust outlet connects with fan inlet, air-introduced machine exhaust outlet connects with chimney, depositing dust bucket, cyclone dust collectors, duplex cyclone dust collectors dust inlet are all provided with the duplex relay valve of connecting up and down, are automatically entered by dirt ash in wet grey pond, water bath desulfurization shell concrete or corrosion resistant plate are welded, leftover bits and pieces is connected with precipitation pond, in water bath desulfurization tower, sieve tray is installed, sieve tray is holed, sieve tray is placed with hollow temperature resistant plastic ball, the waterline in precipitation pond has a pond overflow pipe, exports and be connected with clear water reserviors, clear water reserviors are provided with clear water reserviors overflow pipe, water outlet is connected with wet grey pond, the water inlet pipe front end of water pump in clear water reserviors is provided with water pump self-suction vacuum, screen cover is installed in water pump self-suction vacuum front end, pumping line connects with the sparge pipe on water bath desulfurization tower top, and sparge pipe has water jet, is sprayed to by water above plastics ball that sieve tray seethes with excitement, water bath desulfurization tower blast pipe went here and there straight skewer to precipitation tank water bit line limit from dust-removal and desulfurizing tower top cover and sieve tray center, in precipitation pond, adding soda ash or quick lime, the acid-base value of neutralization precipitation water pool inner water by adding alkali machine quantitative timing, generating salts substances precipitation, the dirt mud in precipitation pond discharged to wet grey pond, is equipped with water in wet grey pond through mud discharging mouth, is soaked by dirt ash very soon, and prevent secondary pollution, wet ash is transported outward by the disposable entrucking of forklift.
2. a kind of fluidized bed furnace water bath dust-removing according to claim 1 desulfurization and dirt ash treatment system, it is characterized in that: exhaust smoke level per hour is the kiln of 10000-15000 cubic meter, blast pipe, dirt airduct, cyclone dust collectors discharge pipe, exhaust duct, water bath desulfurization tower blast pipe, desulfurizing tower exhaust outlet and all ventilation shafts cross that wind plane of structure is long-pending is not less than 0.3 ㎡.
3. a kind of fluidized bed furnace water bath dust-removing according to claim 1 desulfurization and dirt ash treatment system, it is characterized in that: water bath desulfurization shell diametric requirements is at more than 2000mm, internal volume is at 15-20 cubic meter, and precipitation pond internal volume 20-25 cubic meter, in clear water reserviors, molten amassing is no less than 50 cubic metres.
4. a kind of fluidized bed furnace water bath dust-removing according to claim 1 desulfurization and dirt ash treatment system, it is characterized in that: sieve tray bore diameter is 40-45mm, boring area is 40 ﹪ of sieve tray area, sieve tray is placed with the hollow temperature resistant plastic ball of layer 2-3, georama surface stays Circularhole diameter to be 10-20mm, and ball diameter is 60-80mm.
5. a kind of fluidized bed furnace water bath dust-removing according to claim 1 desulfurization and dirt ash treatment system, is characterized in that: the outlet of water bath desulfurization tower flue dust air inlet pipe is apart ± 50mm with precipitation tank water bit line, if waterline is 0.
6. a kind of fluidized bed furnace water bath dust-removing according to claim 1 desulfurization and dirt ash treatment system, is characterized in that: quantitative timing adds soda ash or quick lime, the acid-base value of neutralization precipitation water pool inner water in precipitation pond, generates salts substances precipitation.
7. a kind of fluidized bed furnace water bath dust-removing according to claim 1 desulfurization and dirt ash treatment system, it is characterized in that: the front end of the water inlet pipe of water pump is provided with water pump self-suction vacuum and screen cover, pumping line connects with the sparge pipe on water bath dust-removing desulfurizing tower top, sparge pipe there is water jet, water jet diameter 4-5mm, water sprays on temperature resistant plastic georama that sieve tray seethes with excitement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520728651.2U CN204933182U (en) | 2015-09-21 | 2015-09-21 | A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system |
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| CN201520728651.2U CN204933182U (en) | 2015-09-21 | 2015-09-21 | A kind of fluidized bed furnace dust-removal and desulfurizing and dirt ash treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422601A (en) * | 2016-11-24 | 2017-02-22 | 杨朴 | Boiling furnace dust removal and desulfurization tower |
| CN111729482A (en) * | 2020-07-15 | 2020-10-02 | 佛山市粤辰新太机械设备有限公司 | Kiln tail gas dust removal SOx/NOx control system |
-
2015
- 2015-09-21 CN CN201520728651.2U patent/CN204933182U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422601A (en) * | 2016-11-24 | 2017-02-22 | 杨朴 | Boiling furnace dust removal and desulfurization tower |
| CN111729482A (en) * | 2020-07-15 | 2020-10-02 | 佛山市粤辰新太机械设备有限公司 | Kiln tail gas dust removal SOx/NOx control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |