CN105823062B - A kind of desulfurization deacidification system of house refuse cleaning incinerator - Google Patents
A kind of desulfurization deacidification system of house refuse cleaning incinerator Download PDFInfo
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- CN105823062B CN105823062B CN201610270052.XA CN201610270052A CN105823062B CN 105823062 B CN105823062 B CN 105823062B CN 201610270052 A CN201610270052 A CN 201610270052A CN 105823062 B CN105823062 B CN 105823062B
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- auger
- storehouse
- acid carbonate
- returning charge
- sodium acid
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
- B01D2258/0291—Flue gases from waste incineration plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/40—Intercepting solids by cyclones
Abstract
The present invention relates to a kind of desulfurization deacidification system of house refuse cleaning incinerator.The desulfurization deacidification system that purpose is to provide can reduce the discharge of pernicious gas in incineration process of domestic garbage.Technical scheme is：A kind of desulfurization deacidification system of house refuse cleaning incinerator, the system include：Sodium acid carbonate warehouse：Sodium acid carbonate in storehouse is delivered to startup feed bin；Start feed bin：Sodium acid carbonate in storehouse is delivered to connected superfine pulverizer, by connected superfine pulverizer by the levigate superfine powder to the mesh of ＞ 500 of sodium acid carbonate, then superfine powder is delivered to returning charge auger；Returning charge storehouse：Receive the relatively coarseparticulate that cyclone separator is separated among the flue gas that reaction tower exports；Relatively coarseparticulate in flue gas drops on the returning charge auger for return bin bottom and mixed with superfine powder, is finally delivered to reaction tower by returning charge auger；When returning charge amount exceeds the conveying capacity of returning charge auger, unnecessary returning charge is delivered to big ash silo by overflow auger by public ash-transmission system.
Description
Technical field
The present invention relates to field of Environment Protection, specifically a kind of desulfurization deacidification system of house refuse cleaning incinerator.
Background technology
At present, waste incineration and generating electricity has been obtained fast throughout the country with the advantage of its " innoxious, minimizing, recycling "
The development of speed.
But due to substantial amounts of pernicious gas, including sulfur dioxide, hydrogen chloride, nitrogen oxygen can be produced in Refuse Incineration Process
Compound, carbon monoxide, bioxin, heavy metal, dust etc..At present, domestic waste incineration and generating electricity industry is substantially taken half-dried
Method desulfurization and both technologies of dry desulfurization remove sulfur dioxide and hydrogen chloride.Desulfurizing agent is quick lime or white lime.But
The removal efficiency of both desulfurization technologies is unsatisfactory.Substantially 90% or so, it can guarantee that sulfur dioxide emissioning concentration exists reluctantly
Below 100mg/Nm3.And the consumption of desulfurizing agent is larger.And coal-burning power plant proposes the target of minimum discharge at present, by two
Sulfur oxide emissions concentration drops to below 35mg/Nm3.Therefore, how to improve equipment, improve the removal efficiency of sulfur dioxide, reduce
The discharge of harmful substance, it is the target that scientific and technical personnel make great efforts in the industry.
The content of the invention
The purpose of the present invention is overcome the shortcomings of in above-mentioned background technology, there is provided dress is burned in a kind of supporting house refuse cleaning
The desulfurization deacidification system put, the desulfurization deacidification system can reduce the discharge of pernicious gas in incineration process of domestic garbage, have
The characteristics of energy-conserving and environment-protective.
Present invention employs following technical scheme：
A kind of desulfurization deacidification system of house refuse cleaning incinerator, it is characterised in that the system includes：
Sodium acid carbonate warehouse：Sodium acid carbonate in storehouse is delivered to by startup feed bin, the storehouse pump by storehouse pump induction system
Induction system includes measuring chute, storehouse pumping system inlet valve, storehouse pumping system outlet valve and sodium acid carbonate conveyance conduit, storehouse pumping system and entered
Mouth valve is arranged between sodium acid carbonate warehouse and measuring chute, and storehouse pumping system outlet valve is arranged on sodium acid carbonate conveyance conduit, carbon
Sour hydrogen sodium conveyance conduit connection measuring chute and startup feed bin；
Start feed bin：Sodium acid carbonate in storehouse is delivered to by connected superfine pulverizer by frequency conversion auger, will by connected superfine pulverizer
Sodium acid carbonate is levigate to the mesh of ＞ 500 superfine powder, then superfine powder is delivered to returning charge auger；
Returning charge storehouse：Receive the relatively coarseparticulate that cyclone separator is isolated among the flue gas that reaction tower exports；In flue gas
Relatively coarseparticulate drop on the returning charge auger for return bin bottom and mixed with superfine powder, be finally delivered to instead by returning charge auger
Answer tower；When returning charge amount exceeds the conveying capacity of returning charge auger, unnecessary returning charge is defeated by public ash-transmission system by overflow auger
Deliver to big ash silo；
Cyclone separator isolates fine particle with flue gas at the top of the cyclone separator among the flue gas that reaction tower exports
Discharge, after being removed into sack cleaner, big ash silo is delivered to by the ash discharge auger of sack cleaner bottom；
Reaction tower, receive and handle the flue gas of boiler input, the air inlet of flue gas is located in the side wall of reaction tower and is located at
React between tower bottom and the delivery port of the returning charge auger on reaction tower；The bulky grain thing to be dropped in flue gas is by reaction tower bottom
Power frequency auger exports, and remaining flue gas transports to cyclone separator.
The bulky grain thing is delivered to public ash-transmission system by the timing of power frequency auger, finally enters big ash silo.
Pneumatic gate valve, sodium acid carbonate warehouse deduster and dedusting wind are installed at the top of the sodium acid carbonate warehouse
Machine.
Pneumatic gate valve, deduster and dedusting fan are installed at the top of the startup feed bin.
The sodium acid carbonate warehouse and startup feed bin input compressed air to keep slight positive pressure state in storehouse respectively, prevent
The sodium acid carbonate moisture absorption in storehouse is hardened.
The compressed air is by oil water separator by de-oiling, dewater treatment.
The present invention workflow be：Sodium acid carbonate (mesh of ＜ 200) squeezes into sodium acid carbonate warehouse 6 by grey tank car, then
Be sent into by the storehouse pump induction system of warehouse bottom and start feed bin 3, then by start the frequency conversion auger 4 of feed bin bottom be sent into it is ultra-fine
Flour mill 5, the superfine powder for wearing into the mesh of ＞ 500 enter after returning charge auger 19 mixes with returning charge the cigarette for entering that reaction tower 1 and boiler come
Gas carries out desulfurization depickling reaction.Bulky grain thing in flue gas falls into reaction tower bottom and transports to public defeated ash system by the timing of power frequency auger
System enters big ash silo；Enter with flue gas output-response tower in the particulate matter of cyclone separator, wherein thicker particle is by whirlwind point
Fallen into after being separated from device after returning charge storehouse mixes into the returning charge auger for returning bin bottom with sodium acid carbonate and enter reaction tower 1.Flue gas
In fine particle then removed with flue gas into sack cleaner.
The beneficial effects of the invention are as follows：Sodium acid carbonate can react with the deleterious acidic composition in flue gas, so as to significantly
(desulfuration efficiency can reach more than 98%, can be by sulfur dioxide and hydrogen chloride for sulfur dioxide and hydrogen chloride content in reduction flue gas
Hourly value drop to below 10mg/Nm3)；With significant environmental protection benefit.
Brief description of the drawings
Fig. 1 is the system architecture schematic diagram of the present invention.
Have in figure：1. reaction tower；2. returning charge storehouse；3. start feed bin；4. frequency conversion auger (auger driven by variable-frequency motor)；
5. connected superfine pulverizer；6. sodium acid carbonate warehouse；7. measuring chute；8. storehouse pumping system inlet valve；9. storehouse pumping system outlet valve；10. open
Dynamic dust remover for storage bin；11. pneumatic gate valve；12. dedusting fan；13. oil water separator；14. sodium acid carbonate storehouse deduster；16.
Dedusting fan；18. sodium acid carbonate conveyance conduit；19. returning charge auger；20. power frequency auger (by the motor-driven auger of power frequency)；
21. cyclone separator；22. overflow auger.
Embodiment
Below in conjunction with Figure of description, the invention will be further described, but the invention is not limited in following examples.
The key point of the present invention：1st, solve the problems, such as that the easy moisture absorption of sodium acid carbonate is hardened；2nd, solve sodium acid carbonate conveying and
Contradictory problems between fineness.
The desulfurization deacidification system of house refuse cleaning incinerator shown in the drawings, including：
Sodium acid carbonate warehouse 6：Sodium acid carbonate warehouse bottom is provided with storehouse pump induction system (including measuring chute 7；Storehouse pumping system
Inlet valve 8；Storehouse pumping system outlet valve 9；Sodium acid carbonate conveyance conduit 18 etc.), sodium acid carbonate can be defeated by storehouse pump induction system
To startup feed bin.Pneumatic gate valve 15, deduster 14 and dedusting fan 16 are installed at the top of sodium acid carbonate warehouse；During feeding
Pneumatic gate valve 15, dedusting fan 16 are opened, and in favor of the smooth feeding of grey tank car, while airborne dust are prevented during feeding, protection
Surrounding enviroment；Feeding finishes pneumatic gate valve 15, dedusting fan 16 is closed, so that warehouse seals.The sodium acid carbonate warehouse
Compressed air is also inputted to keep slight positive pressure state, prevents that the sodium acid carbonate moisture absorption in storehouse is hardened；The compressed air is by oil
Enter sodium acid carbonate warehouse after separator removing oil, water.
Start feed bin 3：Start bin bottom and be provided with frequency conversion auger 4, can be by frequency conversion auger 4 by the sodium acid carbonate of storage
Connected superfine pulverizer 5 is delivered to, by connected superfine pulverizer by the levigate superfine powder to the mesh of ＞ 500 of sodium acid carbonate, then superfine powder is conveyed
To returning charge auger 19.Pneumatic gate valve 11, deduster 10 and dedusting fan 12 are installed at the top of the startup feed bin；Feeding
When pneumatic gate valve 11, dedusting fan 12 open, in favor of the smooth feeding of storehouse pump induction system, while prevent from raising during feeding
Dirt, protect surrounding enviroment；Feeding finishes pneumatic gate valve 11, dedusting fan 12 is closed, so that warehouse seals.It is described to start material
Storehouse also inputs compressed air to keep slight positive pressure state, prevents that the sodium acid carbonate moisture absorption in storehouse is hardened；The compressed air is passed through
Oil water separator 13 enters startup feed bin after removing oil, water.
Returning charge storehouse 2：Return bin bottom and be provided with returning charge auger 19, top connection cyclone separator 21；Exported from reaction tower 1
Flue gas enter cyclone separator carry out returning charge separating treatment；Fine particle in flue gas is arranged with flue gas at the top of cyclone separator
Go out, after being removed into sack cleaner, big ash silo is delivered to by the ash discharge auger of sack cleaner bottom；In flue gas compared with
Coarseparticulate then falls after cyclone separator separates to be mixed in returning charge storehouse by the returning charge auger of its bottom with superfine powder, most
It is delivered to afterwards by returning charge auger in reaction tower and flue gas is handled, redundance is then by public defeated ash by overflow auger 22
(conventional equipment) system delivers to big ash silo.
Reaction tower 1：Receive and handle the flue gas of boiler input；Bulky grain thing in flue gas directly drops to reaction tower bottom
By the timing output of power frequency auger 20 of reaction tower bottom, all flue gases transport to cyclone separator and carry out returning charge separating treatment.
M is the power (motor) of each auger in figure.
All devices and device are existing maturing appts in the present invention；Thus no longer carefully state one by one.
Claims (6)
1. a kind of desulfurization deacidification system of house refuse cleaning incinerator, it is characterised in that the system includes：
Sodium acid carbonate warehouse (6)：Sodium acid carbonate in storehouse is delivered to by startup feed bin by storehouse pump induction system, the storehouse pump is defeated
System is sent to include measuring chute (7), storehouse pumping system inlet valve (8), storehouse pumping system outlet valve (9) and sodium acid carbonate conveyance conduit
(18), storehouse pumping system inlet valve (8) is arranged between sodium acid carbonate warehouse (6) and measuring chute (7), storehouse pumping system outlet valve (9)
It is arranged on sodium acid carbonate conveyance conduit (18), sodium acid carbonate conveyance conduit (18) connection measuring chute (7) and startup feed bin (3)；
Start feed bin (3)：Sodium acid carbonate in storehouse is delivered to by connected superfine pulverizer (5) by frequency conversion auger (4), by superfine grinding
Machine is delivered to returning charge auger (19) by the levigate superfine powder to the mesh of ＞ 500 of sodium acid carbonate, then by superfine powder；
Returning charge storehouse (2)：Receive the relatively coarseparticulate that cyclone separator (21) is isolated among the flue gas that reaction tower (1) exports；
Relatively coarseparticulate in flue gas drops on the returning charge auger for return bin bottom and mixed with superfine powder, finally defeated by returning charge auger
Deliver to reaction tower；When returning charge amount exceeds the conveying capacity of returning charge auger, unnecessary returning charge is by overflow auger (22) by public
Ash-transmission system is delivered to big ash silo；
Cyclone separator (21) isolates fine particle with flue gas from cyclone separator top among the flue gas that reaction tower (1) exports
Portion is discharged, and after being removed into sack cleaner, big ash silo is delivered to by the ash discharge auger of sack cleaner bottom；
Reaction tower (1), receive and handle the flue gas of boiler input, the air inlet of flue gas is located in the side wall of reaction tower (1) and position
Between the delivery port of the returning charge auger on reaction tower bottom and reaction tower；The bulky grain thing to be dropped in flue gas is by reaction tower bottom
Power frequency auger (20) output, remaining flue gas transports to cyclone separator.
2. the desulfurization deacidification system of house refuse cleaning incinerator according to claim 1, it is characterised in that：It is described big
Particulate matter is delivered to public ash-transmission system by the timing of power frequency auger, finally enters big ash silo.
3. the desulfurization deacidification system of house refuse cleaning incinerator according to claim 2, it is characterised in that：The carbon
Pneumatic gate valve (15), sodium acid carbonate storehouse deduster (14) and dedusting fan (16) are installed at the top of sour hydrogen sodium warehouse.
4. the desulfurization deacidification system of house refuse cleaning incinerator according to claim 3, it is characterised in that：It is described to open
Pneumatic gate valve (11), deduster (10) and dedusting fan (12) are installed at the top of dynamic feed bin.
5. the desulfurization deacidification system of house refuse cleaning incinerator according to claim 4, it is characterised in that：The carbon
Sour hydrogen sodium warehouse and startup feed bin input compressed air to keep slight positive pressure state in storehouse respectively, prevent the sodium acid carbonate in storehouse
The moisture absorption is hardened.
6. the desulfurization deacidification system of house refuse cleaning incinerator according to claim 5, it is characterised in that：The pressure
Contracting air is by oil water separator by de-oiling, dewater treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270052.XA CN105823062B (en) | 2016-04-27 | 2016-04-27 | A kind of desulfurization deacidification system of house refuse cleaning incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270052.XA CN105823062B (en) | 2016-04-27 | 2016-04-27 | A kind of desulfurization deacidification system of house refuse cleaning incinerator |
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| Publication Number | Publication Date |
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| CN105823062A CN105823062A (en) | 2016-08-03 |
| CN105823062B true CN105823062B (en) | 2018-03-23 |
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| CN201610270052.XA Active CN105823062B (en) | 2016-04-27 | 2016-04-27 | A kind of desulfurization deacidification system of house refuse cleaning incinerator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144148A (en) * | 2017-07-04 | 2017-09-08 | 洁华控股股份有限公司 | A kind of feed device administered for aluminium industry gas melting furnace flue |
| CN108392976A (en) * | 2018-05-21 | 2018-08-14 | 宁波市北仑环保固废处置有限公司 | A kind of sodium bicarbonate automation deacidification system and its process |
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|---|---|---|---|---|
| CN2437992Y (en) * | 2000-08-22 | 2001-07-04 | 清华大学 | Comprehensive tail gas purifying device for refuse incineration |
| CN101862590A (en) * | 2010-06-30 | 2010-10-20 | 马鞍山钢铁股份有限公司 | Desulfuration process for sintering flue gas |
| JP5350996B2 (en) * | 2009-11-25 | 2013-11-27 | バブコック日立株式会社 | Oxygen combustion system exhaust gas treatment equipment |
| CN103446860A (en) * | 2013-08-30 | 2013-12-18 | 哈尔滨金大环境工程有限公司 | Flue gas desulfurization purification system |
| CN204735112U (en) * | 2015-06-01 | 2015-11-04 | 杭州绿能环保发电有限公司 | Flue gas desulfurization deacidification equipment with feeder apparatus is thrown in impact |
| CN205717236U (en) * | 2016-04-27 | 2016-11-23 | 杭州绿能环保发电有限公司 | The desulfurization deacidification system of one way of life junk-free incinerator |
-
2016
- 2016-04-27 CN CN201610270052.XA patent/CN105823062B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2437992Y (en) * | 2000-08-22 | 2001-07-04 | 清华大学 | Comprehensive tail gas purifying device for refuse incineration |
| JP5350996B2 (en) * | 2009-11-25 | 2013-11-27 | バブコック日立株式会社 | Oxygen combustion system exhaust gas treatment equipment |
| CN101862590A (en) * | 2010-06-30 | 2010-10-20 | 马鞍山钢铁股份有限公司 | Desulfuration process for sintering flue gas |
| CN103446860A (en) * | 2013-08-30 | 2013-12-18 | 哈尔滨金大环境工程有限公司 | Flue gas desulfurization purification system |
| CN204735112U (en) * | 2015-06-01 | 2015-11-04 | 杭州绿能环保发电有限公司 | Flue gas desulfurization deacidification equipment with feeder apparatus is thrown in impact |
| CN205717236U (en) * | 2016-04-27 | 2016-11-23 | 杭州绿能环保发电有限公司 | The desulfurization deacidification system of one way of life junk-free incinerator |
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| CN105823062A (en) | 2016-08-03 |
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