CN106016302B - A kind of carbonaceous residues quantitative reduction method and its device - Google Patents
A kind of carbonaceous residues quantitative reduction method and its device Download PDFInfo
- Publication number
- CN106016302B CN106016302B CN201610530897.8A CN201610530897A CN106016302B CN 106016302 B CN106016302 B CN 106016302B CN 201610530897 A CN201610530897 A CN 201610530897A CN 106016302 B CN106016302 B CN 106016302B
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- CN
- China
- Prior art keywords
- microwave
- carbonaceous residues
- reduction method
- flue gas
- quantitative reduction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/02—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of bagasse, megasse or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/203—Microwave
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
- F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/30—Solid combustion residues, e.g. bottom or flyash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Abstract
The invention discloses a kind of carbonaceous residues quantitative reduction method and its devices, carbonaceous residues are put into microwave cavity, it is set to be warming up to 1100~1200 DEG C using the method for microwave heating, continue calcination 30~40 minutes, so that it is converted into high-temperature flue gas and the stable solid matter of property, high-temperature flue gas is introduced into heat recovery system.Top is boiler system (9), carries out heat recovery to the high-temperature flue gas of generation and utilizes, and lower part is microwave firing device, carries out high temperature sintering to carbonaceous residues.Microwave firing device includes charging microwave suppressor (7), microwave heating incinerator (6) and discharging microwave suppressor (10).Heating mechanism of the present invention is to utilize microwave heating, fugitive constituent is not needed, it can fuel oil without being added, controllable degree is high, non-environmental-pollution, be it is a kind of that the igloss amount of chemical sludge can be dropped to 2% or less is again free from environmental pollution, while can recycle heat and it is controllable, clean, the carbonaceous residues quantitative reduction method and its device that heat is utilized effectively.
Description
Technical field
The present invention relates to a kind of carbonaceous residues quantitative reduction methods.The invention further relates to realize the carbonaceous residues quantitative reduction method
Device.
Background technique
Carbonaceous residues are a kind of chemical sludges without fugitive constituent, and calorific value is 3000 kilocalories/Kg.Burning decrement refers to waste residue
Loss on ignition after burning.Containing carbon and various organic matters and inanimate matter in chemical sludge, containing toxic, meeting Polluted Soil after landfill
Earth.Method using burning is that violent chemical reaction occurs for the oxygen in the combustible component and air allowed in waste residue.Through overcharging
Solid residue can direct landfill disposal after divided combustion.
The method for handling this carbon containing chemical plant residual at present is to be burned using rotary kiln, but it is insufficient to burn.It solves
Method be will be added in waste residue can fuel oil carry out combustion-supporting, while increasing kiln length to increase burning time, some kiln length
More than 40 meters have been had been added to, but still standard of landfill has been not achieved (national regulation: the burning decrement that can fill waste residue is necessarily less than
2%).Simultaneously because joined in waste residue can fuel oil, the gas after burning causes pollution to environment.The calorific value one of carbonaceous residues
As in 3000 kilocalories/Kg, burned with rotary kiln, heat greatly wastes.
It is a kind of that the igloss amount of chemical sludge can be dropped to 2% hereinafter, again free from environmental pollution, while the work of heat can be recycled
Industry makeup sets to have obtained extensive expectation.
Summary of the invention
First technical problem to be solved by this invention, which is to provide one kind, to drop to 2% for the igloss amount of chemical sludge
It is again free from environmental pollution below, while the carbonaceous residues quantitative reduction method of heat can be recycled.
Second technical problem to be solved by this invention is to provide the device for realizing the carbonaceous residues quantitative reduction method.
In order to solve above-mentioned first technical problem, carbonaceous residues quantitative reduction method provided by the invention, by carbon containing waste residue
It is put into microwave cavity, so that carbon containing waste residue is rapidly reached calcination temperature using microwave heating, while it is abundant by it to be passed through air
Burning, carbonaceous residues are converted into high-temperature flue gas and the stable solid residue of property after calcination；High-temperature flue gas is introduced into heat
Measure recovery system.
The microwave heating calcination temperature is 1100~1200 DEG C.
The carbon containing chemical sludge calcination time is 30~40 minutes.
The power density of the microwave cavity is 25~30Kw/m3。
Described is 8~10kg air/kg residue by the clean-burning ventilatory capacity of carbonaceous residues.
The heat recovery system is boiler system.
In order to solve above-mentioned second technical problem, the device provided by the invention for realizing carbonaceous residues quantitative reduction method,
It is made of boiler system and microwave firing device, the microwave firing device burns including charging microwave suppressor, microwave heating
Furnace and discharging microwave suppressor are burnt, the charging microwave suppressor front end is equipped with feed inlet, the discharging microwave suppressor
Rear end is equipped with discharge port, is equipped with traveling-grate stoker in the microwave firing device, and the traveling-grate stoker is driven by transmission system,
The transmission system is mounted on furnace seat, and the traveling-grate stoker two sides are equipped with furnace side wall brick, and top is equipped with arch crown refractory brick,
The furnace side wall brick and the arch crown refractory brick constitute the burner hearth of the microwave heating incinerator, the burner hearth outside
Equipped with insulating layer, the traveling-grate stoker bottom is equipped with air-supply storehouse, and the two sides of the burner hearth are equipped with microwave leaky antenna, described
Leaky antenna be connected and fixed by waveguide and microwave generator, the high-temperature flue gas outlet of the burner hearth and the boiler system
The air inlet of system docks.
The microwave generator is made of multiple 915MHz HIGH-POWERED MICROWAVES generators.
The boiler system is located at top, and the microwave firing device is located at lower part.
The blind plate of microwave penetration is housed, blind plate is used to sealing fume, the microwave leaky antenna in the waveguide
Middle addition is free air-blowing to sweep, and makes to prevent flue gas from entering in the microwave leaky antenna in micro-positive pressure in antenna.
Carbonaceous residues quantitative reduction method and its device by adopting the above technical scheme are the methods using microwave heating to containing
Carbon residue carries out burning decrement, and combustion mechanism is to be irradiated using microwave to carbonaceous residues, the carbon in carbonaceous residues and has
Machine matter absorb microwave after it is intermolecular generation acutely concussion friction and heat, be rapidly reached ignition temperature, at the same be passed through air by its
Full combustion.Carbonaceous residues are converted into high-temperature flue gas and the stable solid residue of property after calcination.The present apparatus is by high temperature cigarette
Gas is introduced into boiler system, has achieved the purpose that heat recovery.Through detecting, the burning decrement of residual residue fall below 1% hereinafter,
Standard of landfill is reached.
Microwave oven body top is boiler system, and the heat of high heating value chemical sludge is recycled.
Traveling-grate stoker material is extraordinary microwave dedicated ceramic material, microwave permeability occasioned good, high temperature resistant.
The traveling-grate stoker bottom is equipped with air-supply storehouse, and traveling-grate stoker has certain hole, air by hole with it is carbon containing
Residue contact, full combustion.
Furnace side wall brick and arch crown refractory brick are microwave dedicated ceramic material.
Microwave is and to effectively prevent microwave reflection from high-power leaky antenna (915MHz) feed-in, even microwave distribution
Injury to magnetron.
Microwave leaky antenna is embedded in the wall brick of furnace side, and the thickness of wall brick need to be penetrated by reducing microwave, so that material is more preferable
Absorption microwave.
In conclusion heating mechanism of the present invention is not need fugitive constituent using microwave heating, without be added can fuel oil,
Controllable degree is high, non-environmental-pollution, be it is a kind of the igloss amount of chemical sludge can be dropped to it is 2% or less again free from environmental pollution, together
When can recycle heat and it is controllable, clean, the carbonaceous residues quantitative reduction method and its device that heat is utilized effectively.
Detailed description of the invention
Fig. 1 is the main view of the device of the invention.
Fig. 2 is schematic cross-section of the invention.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawing.
Referring to Fig. 1, Fig. 2, top is boiler system 9, is recycled to the high-temperature flue gas of generation, and lower part is burnt for microwave
Device is burnt, high temperature sintering is carried out to carbonaceous residues.Microwave firing device includes charging microwave suppressor 7, microwave heating incinerator 6
With discharging microwave suppressor 10, charging 7 front end of microwave suppressor is equipped with feed inlet 1, and discharging 10 rear end of microwave suppressor is equipped with
Material mouth 11,11 lower part of discharge port are equipped with scraper slagging machine 12, are equipped with traveling-grate stoker 3 in microwave firing device, traveling-grate stoker 3 is by passing
Dynamic system 2 drives, and transmission system 2 is mounted on furnace seat 4, and 3 two sides of traveling-grate stoker are equipped with furnace side wall brick 16, and top is resistance to equipped with vault
Firebrick 17 is made of the burner hearth 8 of microwave heating incinerator 6 furnace side wall brick 16 and arch crown refractory brick 17, is equipped with heat preservation outside burner hearth 8
Layer, 3 bottom of traveling-grate stoker are equipped with air-supply storehouse 5, and the two sides of the burner hearth 8 of microwave heating incinerator 6 are equipped with microwave leaky antenna 15, micro-
Wave is issued by the microwave generator 13 of multiple 915MHz HIGH-POWERED MICROWAVES generators, and microwave generator 13 is by cooling cycle water system
System 18 is cooled down, and microwave generator 13 and leaky antenna 15 are connected and fixed by waveguide 14, and microwave is injected by leaky antenna 15
Burner hearth 8 heats the carbonaceous residues on traveling-grate stoker 3.The high-temperature flue gas outlet of burner hearth 8 and the air inlet of boiler system 9
Docking.
Microwave oven body top is boiler system 9, and the high-temperature flue gas generated after carbonaceous residues full combustion enters boiler system
System 9, is changed into high-temperature steam through 9 heat exchange of boiler system.
3 bottom of traveling-grate stoker is equipped with air-supply storehouse 5, and traveling-grate stoker 3 has certain hole, and air passes through hole and carbonaceous residues
Contact, full combustion.
Burner hearth 8 is made of furnace side wall brick 16 and arch crown refractory brick 17, and carbonaceous residues are burnt in burner hearth 8, and burning time is
40 minutes or so.
Microwave generator 13 is made of multiple 915MHz HIGH-POWERED MICROWAVES generators, and Microwave Power Density is big, penetrates effect
Fruit is good.Microwave is issued by the powerful microwave generator 13 of 915MHz, through waveguide 14, from 15 feed-in burner hearth 8 of leaky antenna.It is micro-
Wave is and to effectively prevent injury of the microwave reflection to magnetron from high-power 15 feed-in of leaky antenna, even microwave distribution.
The blind plate that can be penetrated in waveguide 14 equipped with microwave, blind plate are used to sealing fume, add in microwave leaky antenna 15
Air purging is entered, has made to prevent flue gas from entering in microwave leaky antenna in micro-positive pressure in antenna.
3 material of traveling-grate stoker is microwave dedicated ceramic material, microwave permeability occasioned good, high temperature resistant.
Furnace side wall brick 16 and arch crown refractory brick 17 are microwave dedicated ceramic material.
Microwave leaky antenna 15 is embedded in furnace side wall brick 16, and the thickness of wall brick need to be penetrated by reducing microwave, in favor of material
Preferably absorb microwave.
Referring to Fig. 1 and Fig. 2, carbonaceous residues enter on traveling-grate stoker 3 from feed inlet 1, and traveling-grate stoker 3 is in transmission system 2
It is slowly moved forward under driving, the carbonaceous residues on traveling-grate stoker 3 are successively by charging microwave suppressor 7, microwave heating calcination
Furnace 6, discharging microwave suppressor 10 and discharge port 11, are finally scraped by scraper slagging machine 12.It is micro- in microwave heating incinerator 6
The power density of wave furnace chamber is 25~30Kw/m3, carbonaceous residues start to burn, and temperature reaches 1100~1200 DEG C, and burning 30~
40 minutes, the clean-burning ventilatory capacity of carbonaceous residues was 8~10kg air/kg residue；Carbonaceous residues be converted into high-temperature flue gas and
The stable solid residue of property.High-temperature flue gas is introduced into boiler system 9, has achieved the purpose that heat recovery.It is remaining through detecting
The burning decrement of residue falls below 1% hereinafter, having reached standard of landfill.
Heating mechanism of the present invention is not need fugitive constituent using microwave heating, without be added can fuel oil, controllable degree
Height, non-environmental-pollution.
The above invention is only better embodiment of the invention, and protection scope of the present invention is not with above embodiment
Limit, as long as those skilled in the art disclosure is done according to the present invention equivalent modification or variation, are all included in claim
Documented protection scope in book.
Claims (5)
1. a kind of carbonaceous residues quantitative reduction method, method is: the carbonaceous residues without fugitive constituent are put into microwave cavity,
So that carbonaceous residues is rapidly reached calcination temperature using microwave heating, while being passed through air for its full combustion, carbonaceous residues are passed through
High-temperature flue gas and the stable solid residue of property are converted into after calcination；High-temperature flue gas is introduced into heat recovery system, it is described
Heat recovery system is boiler system, and the microwave heating calcination temperature is 1100~1200oC, carbonaceous residues calcination time
It is 30~40 minutes, the power density of the microwave cavity is 25~30Kw/m3, by the clean-burning ventilatory capacity of carbonaceous residues
For 8~10kg air/kg residue.
2. the device of carbonaceous residues quantitative reduction method described in claim 1 is realized, by boiler system (9) and microwave firing device
Composition, it is characterized in that: the microwave firing device includes charging microwave suppressor (7), microwave heating incinerator (6) and discharging
Microwave suppressor (10), charging microwave suppressor (7) front end are equipped with feed inlet (1), the discharging microwave suppressor
(10) rear end is equipped with discharge port (11), is equipped with traveling-grate stoker (3) in the microwave firing device, the traveling-grate stoker (3)
It is driven by transmission system (2), the transmission system (2) is mounted on furnace seat (4), and the traveling-grate stoker (3) two sides are equipped with
Furnace side wall brick (16), top are equipped with arch crown refractory brick (17), the furnace side wall brick (16) and the arch crown refractory brick (17)
The burner hearth (8) of the microwave heating incinerator (6) is constituted, is equipped with insulating layer, the chain furnace outside the burner hearth (8)
It arranges (3) bottom and is equipped with air-supply storehouse (5), the two sides of the burner hearth (8) are equipped with microwave leaky antenna (15), the leaky antenna
(15) it is connected and fixed by waveguide (14) and microwave generator (13), the high-temperature flue gas outlet of the burner hearth (8) and described
The air inlet of boiler system (9) docks.
3. the device according to claim 2 for realizing carbonaceous residues quantitative reduction method, it is characterized in that: the microwave occurs
Device (13) is made of multiple 915MHz HIGH-POWERED MICROWAVES generators.
4. the device according to claim 2 or 3 for realizing carbonaceous residues quantitative reduction method, it is characterized in that: the boiler
System (9) is located at top, and the microwave firing device is located at lower part.
5. the device according to claim 2 or 3 for realizing carbonaceous residues quantitative reduction method, it is characterized in that: the waveguide
The blind plate that microwave penetration is housed in (14) is managed, blind plate is used to sealing fume, is added in the microwave leaky antenna (15) free
Air-blowing is swept, and makes to prevent flue gas from entering in the microwave leaky antenna (15) in micro-positive pressure in antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530897.8A CN106016302B (en) | 2016-07-07 | 2016-07-07 | A kind of carbonaceous residues quantitative reduction method and its device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530897.8A CN106016302B (en) | 2016-07-07 | 2016-07-07 | A kind of carbonaceous residues quantitative reduction method and its device |
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| CN106016302A CN106016302A (en) | 2016-10-12 |
| CN106016302B true CN106016302B (en) | 2019-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140720C (en) * | 2002-01-30 | 2004-03-03 | 张文杰 | Dry distilling incinerator |
| CN102278879A (en) * | 2011-08-05 | 2011-12-14 | 湖南省中晟热能科技有限公司 | Micro-wave roller kiln |
| CN103145305B (en) * | 2013-03-20 | 2018-09-28 | 北京昊诚油气科技有限公司 | Synthesis gas and synthetic natural gas or the technique and incinerator of synthetic gasoline are prepared using oily sludge |
| KR101516789B1 (en) * | 2014-01-22 | 2015-05-04 | 김필성 | Reductional thermal decomposition apparatus with microwave |
| CN203927929U (en) * | 2014-06-30 | 2014-11-05 | 临沂大学 | Papermaking garbage burning boiler |
| CN205825053U (en) * | 2016-07-07 | 2016-12-21 | 湖南省中晟热能科技有限公司 | A kind of carbonaceous residues minimizing device |
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Denomination of invention: Carbon-containing residue reduction method and device thereof Effective date of registration: 20200212 Granted publication date: 20190104 Pledgee: ZHONGHAO CHENGUANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Pledgor: Hunan Thersun Thermal Energy Technology Co., Ltd. Registration number: Y2020980000237 |
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Date of cancellation: 20210508 Granted publication date: 20190104 Pledgee: ZHONGHAO CHENGUANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Pledgor: HUNAN THERSUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980000237 |