CN106398728A - Multi-section garbage carbonization heating furnace - Google Patents
Multi-section garbage carbonization heating furnace Download PDFInfo
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- CN106398728A CN106398728A CN201610925730.1A CN201610925730A CN106398728A CN 106398728 A CN106398728 A CN 106398728A CN 201610925730 A CN201610925730 A CN 201610925730A CN 106398728 A CN106398728 A CN 106398728A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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Abstract
The invention provides a multi-section garbage carbonization heating furnace. The heating furnace comprises multiple heating zones, and each heating zone can control different heating temperatures independently. With the adoption of the heating furnace, the yield of bio-oil and charcoal can be increased, and side effects are reduced.
Description
Technical field
The invention belongs to heating device technology area is and in particular to a kind of multisection type rubbish carbonization heating furnace.
Background technology
At present, up to 1.8 hundred million tons of the annual production of China's domestic waste, rubbish annual production is about 440 public affairs per capita in city
Jin, and annual increase it is predicted that the year two thousand thirty so that the speed more than 10% is swift and violent, Municipal Solid Waste in China annual production is up to
4.09 hundred million tons.The refuse production per capita of big and medium-sized cities, especially megalopolis is of a relatively high, and it is left that its rate of rise reaches 20%
Right.
If to these rubbish can not be appropriate process and disposal, (heavy metal, cause of disease are micro- for that poisonous and harmful substance therein
Biology etc.) will be entered in ecosystem by certain surrounding medium such as soil, air, earth's surface or subsoil water and form dirt
Dye.This not only can destroy ecological environment, leads to irreversible Ecological Changes, but also animals and plants safety and the mankind can be good for
Health works the mischief.
Garbage disposal at present can only reduce waste volumes by burning disposal.It is each that burning disposal method can produce two English etc.
Plant environmentally hazardous polluter, the garbage incineration equipment price of safety is high, scale of investment is big, and burning disposal can only be passed through
Handling is used for maintaining operation, and in conventional rubbish, resin, Plastic account for 10% about, and remaining is exactly kitchen, paper, wood chip etc..
CN104263388A disclose a kind of rubbish carbonization reaction system include reactor, reaction chamber, steam generator and
Control device, wherein, steam generator coupled reaction kettle, described steam generator is used for providing steam to described reactor；Institute
State reaction chamber and be used for placing rubbish, when reacted, described reaction chamber is pushed described reactor reaction and generates carbonized mixture, when
After the completion of reaction, described reaction chamber is pulled out from described reactor.
CN102304372A discloses a kind of superheated steam retort processing organic waste, and it includes superheated steam and occurs
Stove, organic waste retort, steam turbine generator and the part such as gas-liquid separator, gas-liquid separator composition.
CN102606236A discloses a kind of garbage disposal waste heat power generation system with internal steam pipe, includes refuse gasification
Stove and steamer steam electric power generator, wherein, steamer steam electric power generator include steam generator, vapour-discharge tube, steamdrum,
Steam turbine and electromotor, steamdrum, steam turbine and electromotor are sequentially connected, and described steam generator is located in refuse gasification boiler；
Steam generator is the cylinder cage structure being made up of upper ring pipe, multiple straight tube and lower ring pipe, and the two ends of each straight tube are divided
Other and upper ring pipe is connected with lower ring pipe；Described upper ring pipe is connected with one end of vapour-discharge tube, vapour-discharge tube
The other end is connected with steamdrum, and described lower ring pipe is communicated with water inlet pipe.
CN104976621A discloses a kind of domestic garbage pyrolysis gasification oven, body of heater ecto-entad include burn stove outer covering,
Fire brick layer, burning furnace internal-lining；Bottom of furnace body is provided with deslagging part, water-stop part；It is characterized in that, upper of furnace body is provided with sky
Gas air inlet, combustible gas outlet；Bottom of furnace body is provided with vapor import；Body of heater top is provided with steam outlet；In fire brick layer
It is provided with a hollow sandwich and burning furnace internal-lining between；This interlayer bottom is connected with body of heater inner bottom part, this interlayer top and combustible gas
Outlet；It is provided with air inlet passage, this air inlet channel upper and air inlet set by upper of furnace body in this interlayer
Mouth connection, the bottom of air inlet passage is connected with body of heater inner bottom part.
CN204325273U discloses a kind of rubbish plasma gasification stove with water vapour as gasifying medium, including top
Refuse gasification room and bottom high-temperature water vapor occur room, refuse gasification room and high-temperature water vapor to occur to be provided between room between
Every the water-cooled chimney arch of arrangement, refuse gasification room and high-temperature water vapor room to separate by water-cooled chimney arch occur；Described high-temperature water vapor is sent out
Inwall circumferentially two plasma torch of raw room, using low temperature water vapour as plasma torch working gas.
CN102746903A discloses one kind and is divided into multiple standard dry distilling to process list house refuse dry distilling-gasification furnace
Unit, according to the needs of different disposal ability, is combined into large-scale house refuse dry distilling-gasification furnace, standard dry distilling processing unit is
Cube body of heater, top arranges retort section and the dryer section of rubbish, is under anaerobic state first rubbish dry distilling using rubbish, point
Solve dry distillation gas and carbide residue, carbide burns in lower section burning zone and produces high temperature, make to gasify with water vapour and air
Agent, the CO that the carbide under the reducing zone condition of high temperature produces burning2And aqueous vapour reducing, generate gasification gas, just do not produce
Two English；The gasification gas of high temperature rubbish heating, the dry distilling of rubbish retort section, continues to rise dry during rising
The rubbish of section adds drying, and the Organic substance in rubbish is changed into clean gas, collects dry distillation gas and gasification gas is utilized,
Realize no two English, non-exhaust emission.
WO2011/000513A1 discloses a kind of comprehensive waste treatment system and method, and it includes making of combustiblerefuse source
With, for separating the separator of described combustiblerefuse from recyclable material, for by described combustiblerefuse drying to produce
Give birth to the vacuum desiccator of pyrolysis feed and for the heat to generate coke and pyrolysis gas by described pyrolysis feed pyrolytic
Solution device.
GB2006/002409A discloses a kind of method for processing rubbish, and methods described includes：(i) (a) gasification step
Suddenly, described gasification step includes processing in gasification unit described rubbish in the presence of oxygen and steam, to produce waste gas and charcoal, or
Person (b) pyrolysis step, described pyrolysis step includes processing described rubbish in pyrolysis unit, to produce waste gas and charcoal；(ii)
Plasma treatment step, described plasma treatment step include in the presence of oxygen and optionally in the presence of steam wait from
In daughter processing unit, corona treatment is carried out to described waste gas and charcoal.
In the recycling treatment mode of domestic waste " simple analysis ", Zhang Bei, Chinese municipal works, in June, 2013, the 3rd
Phase (total 166th phase), in 53-55, the process describing domestic waste is from traditional landfill, burning and biochemical treatment side
Formula is gradually transition to recycling economy and recycling treatment, and describes the process of house refuse closed low-temperature carbonization and organic matter
The project construction of fixed-end forces factory is it is indicated that house refuse closed circulation low-temperature carbonization technology is a kind of heat of solid biomass
Chemical processes, this technique produces high heating value fuel gas, and this technical resource degree is higher, part percolate, spray
Water drenching also can qualified discharge after biochemical treatment.
However, in above-mentioned document and other prior art, carbonization is typically carried out in single heating furnace or the thermal treatment zone,
Temperature controlled motility and effectiveness are low, lead to by-product more, and the bio oil of such as generation is readily decomposed into small molecule gas
Body.
Content of the invention
For solving the above problems, the present inventor, through going deep into systematic study and many experiments, fully combines urban life rubbish
The generation decomposition mechanism of the process of rubbish carbonization and bio oil and carbons material, in the full-flow process link of whole garbage disposal
Carry out comprehensive research, there is provided following technology, effectively reduce the generation of coking.
In one aspect of the invention, there is provided a kind of multisection type rubbish carbonization heating furnace, this heating furnace has multiple heating
Area, each thermal treatment zone can independently controlled different heating-up temperature.
The plurality of thermal treatment zone is to be sequentially connected in series setting.
The number of the described thermal treatment zone can be n, n is >=3 integer and be odd number, and wherein (n+1)/2 thermal treatment zone is
The main thermal treatment zone, has highest heating-up temperature in each thermal treatment zone.
Along rubbish direct of travel, before the main thermal treatment zone, the temperature of each thermal treatment zone is from the 1st thermal treatment zone to the main thermal treatment zone
Gradually rise, after the main thermal treatment zone, be gradually lowered to the n thermal treatment zone from the main thermal treatment zone.
In an especially preferred embodiment, from the 1st temperature amplitude that the thermal treatment zone gradually rises to the main thermal treatment zone
For 60-160 DEG C, it is 10-50 DEG C from the temperature amplitude that the main thermal treatment zone to n-th thermal treatment zone is gradually lowered.
The thermal treatment zone setting of this gradient increased temperature and gradient cooling, it can be avoided that the dramatic temperature change of house refuse and mistake
Degree decomposes, and reduces the generation of by-product.In addition, this using fast heat up, slow lower the temperature by the way of, rubbish can be made quickly effectively to divide
Solution, has the undesirable decomposition that can avoid product to greatest extent simultaneously.
Preferably, described steam inlet is in slit-shaped.
Preferably, the length (i.e. slit length) of described steam inlet is at least the 1/4 of thermal treatment zone Sidewall Height, and steam
Entrance is near the top of the thermal treatment zone.This length is able to ensure that impact purging scope in the thermal treatment zone for the steam is sufficiently large.
It is highly preferred that the steam inlet of setting is arranged oppositely on the wall of described two sides.
Find aborning, when using top blast superheated steam, when steam being passed through by hot zone cap, heater
After a period of time, in the inside of the thermal treatment zone, especially inwall top inner wall easily produce coking, coking can affect product gas
The taking-up of body logistics, has had a strong impact on the carrying out producing.For this reason, the present inventor is through numerous studies, using the opposed slit in side
Formula steam inlet.When superheated steam passes through opposed steam inlet feeding, produce to conflict thus producing along thermal treatment zone wall
Lateral flow, can be prevented effectively from biological oil substances and be collected at thermal treatment zone inner upper wall, thus being prevented effectively from the generation of coking.
Described steam inlet is preferably provided with the airflow-distribution board being made up of porous plate.
In a preferred embodiment, the described thermal treatment zone be internally provided with liner.
It is highly preferred that described liner be four-layer structure, with the lining closest to thermal treatment zone shell as ground floor, with farthest away from
The lining of thermal treatment zone shell is the 4th layer, is followed successively by ground floor, the second layer, third layer and the 4th layer from outside to inside, ground floor is
Alumina silicate fibre brick (thickness is preferably 5-50mm), the second layer is general aluminum fire-retardent fiber felt-rug (thickness is preferably 5-10mm), the 3rd
Layer is high-alumina refractory fiber felt (thickness is preferably 5-10mm), and the 4th layer is refractory fibre containing zirconium felt (thickness is preferably 2-8mm).
This compound lining has a preferable heat insulation effect, and is resistant to the impact of high temperature vapourss, radiation loss and
Discharge loss substantially reduces, and effective heat duty is improved, and the thermal efficiency, by original 84.3%, brings up to 91.2%, energy-conservation
Effect is significant.And, the liner using this spline structure, liner is difficult for drop-off.
In another aspect of this invention, there is provided a kind of method carrying out rubbish carbonization using above-mentioned heater, the party
Method includes making passing through the thermal treatment zone of heater equipped with the feeding device of rubbish to obtain combustible and Carbon Materials.
The temperature of the high temperature anaerobic steam of the described main thermal treatment zone can be 300-600 DEG C.
Described rubbish is preferably domestic waste.
In the methods of the invention, can take out, from the top of the thermal treatment zone, the gas stream comprising bio oil.
It is highly preferred that being comprised the following steps using the method that above-mentioned heater carries out rubbish carbonization：(1) rubbish is loaded
Rubbish feeding device；(2) rubbish feeding device is made to pass through high temperature distillation carbonizing apparatus；(3) from high temperature distillation carbonizing apparatus top
Take out gas stream；(4) this gas stream is made to pass through catalyst bed in a gaseous form；(5) effluent of self-catalysis in future agent bed
Condensed and separated, obtained liquid combustible thing and water；(6) obtain from the rubbish feeding device through high temperature distillation carbonizing apparatus
Charcoal class material.
The temperature of the high temperature anaerobic steam of the described main thermal treatment zone is preferably 300-600 DEG C.The pressure of described high temperature anaerobic steam
Power is preferably 0.1-1.0MPa, preferably 0.2-0.5MPa.
Preferably, comprise nitrogen in wherein said high temperature anaerobic steam.It is highly preferred that nitrogen content is 10-80v.%, more
Preferably 20-60v.%.
In the present invention, it is preferred to any pretreatment is not carried out to rubbish.
For the present invention, compared with simple dry distilling of the prior art, the presence of nitrogen is it can be avoided that rubbish is in carbonization
During burn, make the charcoal of generation have higher calorific value.In addition, compared with steam gasification purely in prior art,
The presence of nitrogen can also increase heating medium calorific value, improving the efficiency of heating surface thus improving carbonization efficiency, can also save simultaneously
Steam consumption, more importantly, by the addition of nitrogen, can provide required catalysis bar for the catalysis upgrading of follow-up distillation
Part, for example, adjust required vapor partial pressure because too high vapour pressure can lead to catalysis upgrading to be difficult to effectively carry out, nitrogen plus
Enter and can reduce the vapor partial pressure that gas stream is in distillation.
The inventors discovered that, in existing waste steam treatment technology, often have ignored the composition for rubbish has choosing
Select steaming conditions to selecting property, have ignored the difference of rubbish composition, lead to garbage treatment efficiency relatively low.The present inventor passes through
Numerous studies, select different steaming conditions according to different rubbish compositions, obtain good steam treatment effect.Special
Not, select following high temperature distillation charing process condition：(1) with the gross weight meter of rubbish, organic species in rubbish forms
During weight % of content >=80, the temperature of the high temperature anaerobic steam of the main thermal treatment zone is 300-450 DEG C, preferably 320-400 DEG C；High temperature is no
Nitrogen content in oxygen steam is 10-30v.%, preferably 10-20v.%；The time of staying in high temperature distillation carbonizing apparatus is
8-12h；(2) with the gross weight meter of rubbish, during organic species content ＜ 80 weight %, the main thermal treatment zone in rubbish forms
The temperature of high temperature anaerobic steam is 450 DEG C -600 DEG C, preferably 500 DEG C -550 DEG C；Nitrogen content in high temperature anaerobic steam is 40-
80v.%, preferably 60-80v.%；The time of staying in high temperature distillation carbonizing apparatus is 5-8h.
When in rubbish, organic species content is higher, above-mentioned steaming conditions are particularly conducive to produce liquid combustible thing
Generation；And organic species content relatively low when, be particularly conducive to the generation of charcoal class material.
In a preferred embodiment, the catalyst in described catalyst bed is inorganic oxide or silicate loads
Ferrum-based catalyst, or the ferrum-based catalyst of charcoal load, or the mixture both it.
In a particularly preferred embodiment of the present invention, the present inventor, through numerous studies, develops a kind of energy
Enough catalyst that effectively bio oil from the gas stream that high temperature distillation carbonizing apparatus top is taken out is carried out with hydrogenation upgrading,
This catalyst can be the catalyst shown in following formula：Ni-Cu-Pd-Co2O3-Fe2O3/SiO2, wherein the rubbing of Ni, Cu, Pd, Co, Fe
Your ratio is (1-2):(5-10):(0.1-0.5):(1-2):(10-20), based on overall catalyst weight gauge, Ni-Cu-Pd-Co2O3-
Fe2O3The content of active component is 1-8%, preferably 2-5%, more preferably 3%.SiO2For carrier.
The composition of bio oil is usually relatively complex, and mainly may include acids, aldehydes, ketone, alcohols, phenols, furans, ester
Class, ethers and a small amount of nitrogen-containing compound and other multi-functional compounds.Because bio oil heat stability is poor, acid and corrosivity
By force, water content is high, calorific value is low and is difficult the characteristic such as to dissolve each other with petroleum-based products, therefore at present bio oil can only realize primary should
With being for example used for the heat power equipment such as Industrial Stoves and oil burning boiler it is impossible to petroleum replacing product directly applies to internal combustion engine or turbine
The burning of machine is it is impossible to meet modern high-grade commercial Application.In order to improve bio oil application, need to be transformed into Gao Pin
The liquid fuel of position, reaches the requirement of transport fuel, thus realizing substituting or part petroleum replacing product, this is necessary for biology
Oil is modified upgrading so as to chemical constituent is converted into Hydrocarbon by hydrocarbon oxygen compound.How effectively to bio oil
Carry out the exploitation that one of key of upgrading is catalyst.
Research finds, in the above-mentioned catalyst of the present invention, Niδ+Than conventional Moδ+There is higher activity, Ni makes
With obtaining C6-C12 hydrocarbon (preferably alkane) with high selectivity, the use of Cu can obtain C16 hydrocarbon (preferably alkane with high selectivity
Hydrocarbon), use while Ni, Cu, it has surprisingly been found that it may also be ensured that obtaining a certain amount of C18 and C19 hydrocarbon, surface Ni, Cu make
With making the C-O key in bio oil that hydrogenolysis effectively occur.
Different from general improving quality of biomass oil, in the gas stream of the present invention, the steam containing higher proportion, therefore
Very high request is proposed to the hydrothermal stability of catalyst.The conventional catalyst for improving quality of biomass oil cannot be used for this
The upgrading of the gas stream of invention.Iron catalyst is a kind of common catalyst of oxygen in removing plant base material, but ferrum catalysis
Agent is met and was lost efficacy during water, although and palladium catalyst is met during water effectively, the effect of its deoxygenation is not fine, and costly, and
Add minimal amount of palladium in ferrum, good synergism can be obtained.Inventor's research finds, the addition of a small amount of palladium contributes to hydrogen
Be covered in the surface of ferrum in catalyst, make reaction accelerate, and prevent water blocking react, thus hydrogen consumption little, activity, stability and
Far better than single iron catalyst, its catalytic life can improve more than 2 times to selectivity aspect.
The present inventor also finds, the addition of Co advantageously reduces the crystallite dimension of catalytic active component, is conducive to through research
The dispersion of catalytic active component, minimizing is gathered, and this has very for activity, selectivity and the stability improving catalytic active component
Positive meaning.However, if Co amount is excessive, Co can cover hydrogenation sites Ni, Cu etc., thus reducing the work of catalyst
Property.
Previously there is not been reported in document for above-mentioned particularly a preferred catalyst, and it is that the present invention is directed to from garbage reclamation
The concrete composition feature of gas stream and bio oil targetedly designs, and achieves good upgrading effect.
This catalyst can be prepared using the conventional dipping calcination method in this area.Specifically, weigh according to the above ratio
A certain amount of precursor salt such as Ni (NO3)2、Cu(NO3)2、Pd(NO3)2、Co(NO3)2、Fe(NO3)3(or their hydrate forms)
And citric acid, plus deionized water dissolving, stir, be made into the solution that concentration is 0.5-1.5mol/L, weigh a certain amount of two
Silicon oxide is put in reaction vessel, and the solution preparing is poured in reaction vessel, is placed in the heated at constant temperature oil bath with agitator
Heating in device, stirs 1h-10h at a temperature of 60-120 DEG C, is then placed in drying baker 100 DEG C -150 DEG C and 12h is dried, subsequently
The catalyst precursor obtaining is placed in 500 DEG C -800 DEG C calcining 1h-6h in Muffle furnace, then in H2In the presence of in 200-300
Reduction activation at DEG C, prepared Ni-Cu-Pd-Co2O3-Fe2O3/SiO2Catalyst.
For the present invention, described gas stream is preferably substantially free of two English.Because of the distillation that heats up under anaerobic state, institute
So that the harmful substances such as two English will not be produced, can be with environment protection.This has very big excellent compared to common burning method
Gesture.
Preferably, wherein used in high temperature distillation carbonizing apparatus, high temperature anaerobic steam is derived from high pressure through-flow steam oven.
In another aspect of this invention, there is provided the liquid combustible thing being obtained according to preceding method.Preferably, described liquid
In combustible, oxygen content is less than 10 weight %, preferably shorter than 5 weight %, more preferably less than 2 weight %.Further, this liquid
The higher calorific value of combustible is more than 40MJ/kg.
In another aspect of this invention, there is provided the charcoal class thing that the method according to any one of aforementioned claim obtains
Matter.
Preferably, described charcoal class material is coke.Preferably, described charcoal class material is semicoke.
Brief description
Fig. 1 is the top view of the high temperature distillation carbonizing apparatus according to the present invention；
The side wall of the thermal treatment zone of wherein 1 expression heater, 2 expression steam inlets, 3 expression feeding devices；
Specific embodiments
With reference to following examples and comparative example, the present invention is described in further detail, but the embodiment party of the present invention
Formula not limited to this.
Embodiment 1
Choose the house refuse from Haidian District, Beijing City garbage compression transfer station, the composition of described rubbish is as follows after testing
Shown in table 1：
Table 1：Domestic waste becomes to be grouped into
In conjunction with Fig. 1, this heating furnace has 7 thermals treatment zone from left to right, carries out height by following steps to above-mentioned rubbish
Temperature distillation carbonization：(1) rubbish is loaded rubbish feeding device；(2) rubbish feeding device is made to pass through high temperature distillation carbonizing apparatus；
(3) take out gas stream from high temperature distillation carbonizing apparatus top；(4) this gas stream is made to pass through catalyst bed in a gaseous form；
(5) effluent of self-catalysis in future agent bed is condensed and is separated (catalyst of filling and hydrogenation deoxidation upgrading regulation such as this Shen
Please be described previously), obtain liquid combustible thing and water；(6) obtain charcoal from the rubbish feeding device through high temperature distillation carbonizing apparatus
Class material.Described high temperature distillation carbonizing apparatus is heated by high temperature anaerobic steam, the high temperature anaerobic steam of the 4th thermal treatment zone
Temperature is 360 DEG C, and the nitrogen content in high temperature anaerobic steam is 12v.%, and increasing extent of temperature is successively for each thermal treatment zone before it
70 DEG C, cooling extent is 40 DEG C successively for each thermal treatment zone after which, and feeding device is 9.0 little in the total residence time of heating furnace
When.The liner of the thermal treatment zone is four-layer structure, with the lining closest to thermal treatment zone shell as ground floor, with farthest away from thermal treatment zone shell
Lining be the 4th layer, be followed successively by ground floor, the second layer, third layer and the 4th layer, ground floor is alumina silicate fibre brick, and thickness is
20mm, the second layer is general aluminum fire-retardent fiber felt-rug, and thickness is 10mm, and third layer is high-alumina refractory fiber felt, and thickness is 10mm, the 4th
Layer is refractory fibre containing zirconium felt, and thickness is 5mm.The liquid combustible thing i.e. yield of the bio oil through upgrading is 6.1 weight %.Heating
Device is 60 days needing to close down the cycle of operation carrying out before decoking process.
Comparative example 1
This comparative example differs only in the only single thermal treatment zone with embodiment 1, the high temperature anaerobic steam of this thermal treatment zone
Temperature is 355 DEG C, and the nitrogen content in high temperature anaerobic steam is 12v.%, is 9.0 hours in the time of staying of this thermal treatment zone.Liquid
The body combustible i.e. yield of the bio oil through upgrading is 1.3 weight %.
Comparative example 2
This comparative example is that common heat resisting brick (thickness is 20mm) is combined with the liner differing only in the thermal treatment zone of embodiment 1
Monolayer high-alumina refractory fiber felt (thickness is 10mm).Heater needing the cycle of operation closed down before carrying out decoking process is
10.5 days.
Assembly of the invention clearly be can be seen that by above-described embodiment and comparative example and operational approach makes bio oil
Product improves more than 4 times, and that is, the formation efficiency of bio oil is high and by-product is few.At the same time it can also find out, assembly of the invention exists
During use, coking degree is greatly reduced, thus substantially increasing stability and the economy of plant running.
This written description to disclose the present invention using example, including optimal mode, and also enables those skilled in the art
Manufacture and use the present invention.The present invention can patentable scope be defined by the claims, and can include this area skill
Other examples that art personnel expect.If this other example has the structural elements of the literal language not differing from claims
Element, or if this other example includes the equivalent structure element with the literal language no substantial differences of claims,
Then this other example is intended to be within the scope of claims.Under not resulting in inconsistent degree, by reference to
It is incorporated herein in place of all references of reference herein.
Claims (10)
1. a kind of multisection type rubbish carbonization heating furnace, this heating furnace has multiple thermals treatment zone, and each thermal treatment zone can be independently controlled
Different heating-up temperatures.
2. heating furnace according to claim 1, wherein said multiple thermals treatment zone are sequentially connected in series setting.
3. heating furnace according to claim 1 and 2, the number of the wherein said thermal treatment zone is n, n is >=3 integer and be strange
Number.
4. the heating furnace according to Claims 2 or 3, the wherein thermal treatment zone based on the thermal treatment zone of (n+1)/2, have at each
Highest heating-up temperature in the thermal treatment zone.
5. heating furnace according to claim 1, wherein two side walls in each thermal treatment zone are respectively provided with least one steaming
Vapour entrance.
6. heating furnace according to claim 5, on wherein said two side walls, the steam inlet of setting is arranged oppositely.
7., according to heating furnace in any one of the preceding claims wherein, being internally provided with of each thermal treatment zone wherein said is interior
Lining.
8. a kind of method carrying out rubbish carbonization using heating furnace in any one of the preceding claims wherein, the method includes making
Feeding device equipped with rubbish passes through the thermal treatment zone of heating furnace to obtain combustible and Carbon Materials.
9. method according to claim 8, wherein said rubbish is domestic waste.
10. method according to claim 8 or claim 9, wherein takes out, from the top of n-th thermal treatment zone, the gas comprising bio oil
Logistics.
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| CN201610925730.1A CN106398728B (en) | 2016-10-31 | 2016-10-31 | Multistage formula rubbish carbomorphism heating furnace |
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| CN201610925730.1A CN106398728B (en) | 2016-10-31 | 2016-10-31 | Multistage formula rubbish carbomorphism heating furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106518475A (en) * | 2016-12-12 | 2017-03-22 | 北京神雾环境能源科技集团股份有限公司 | System and method for preparing biomass charcoal-based urea fertilizer from straw |
| CN110848701A (en) * | 2019-11-14 | 2020-02-28 | 陕西润和环保科技有限公司 | Internal heating type garbage gasification incinerator device |
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