CN104593023B - The biomass that will be reclaimed from building waste carry out the technique and device of gasification energy conversion - Google Patents
The biomass that will be reclaimed from building waste carry out the technique and device of gasification energy conversion Download PDFInfo
- Publication number
- CN104593023B CN104593023B CN201510036752.8A CN201510036752A CN104593023B CN 104593023 B CN104593023 B CN 104593023B CN 201510036752 A CN201510036752 A CN 201510036752A CN 104593023 B CN104593023 B CN 104593023B
- Authority
- CN
- China
- Prior art keywords
- biomass
- technique
- building waste
- reclaimed
- gasification
- Prior art date
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0983—Additives
- C10J2300/0986—Catalysts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
-
- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Disclosing the biomass that will be reclaimed from building waste carries out the equipment and technique of gasification energy conversion.The equipment includes pyrolysis furnace, first class purification device, second cleaner, primary separator, second-stage separator, roots blower and their connecting pipe.The technique includes for the biomass reclaimed from building waste carrying out cracking gasification in pyrolysis furnace, then carries out first class purification and secondary purification, then carries out one-level separation and the second-order separation, after the second-order separation, is drawn tail gas using roots blower.Technique of the invention and equipment have very strong specific aim to building waste biomass, safe and reliable, small investment and can simultaneously produce two kinds of clean energy resourcies of combustion gas and charcoal.
Description
Technical field
The present invention relates to a kind of biomass by from building waste more particularly to the biomass that will be reclaimed from building waste
Carry out the technique and device of gasification energy conversion.
Technical background
In recent years, with being continuously increased for city size and deepening continuously for Urbanization Construction process, refuse production
Increasingly increase, and many unvanquishable problem being exposed using traditional treatment method so that refuse pyrolysis treatment technology
Increasingly paid close attention to by people, particularly with food waste, plastics, rubber equal size domestic waste higher, its pyrolytic gasification
Process is got over can manifest bid value.Because municipal solid waste classification is various, pyrolytic gasification process is considerably complicated, in pyrolytic gasification mistake
There is the possibility that small molecule aggregates into bigger molecule again into small molecule in Cheng Zhong, existing macromolecular cleavage.
In addition to compost, landfill disposal, incineration technology is returned domestic waste because of its significant decrement volume reduction feature and heat energy
The advantage that receipts are utilized, and generation sour gas, heavy metal and two problems can not be ignored in being widely adopted but burning process.Rubbish
Rubbish Gasification Technique, due to having the advantages that low pollutant emission, significant decrement volume reduction and production fuel gas, by
Gradually turn into new study hotspot.In terms of domestic garbage gasification, domestic and foreign scholars are by gas such as ebullated bed, fluid bed, fixed beds
Change domestic waste, systematically have studied.
Pyrolytic gasification method (or abbreviation pyrolysismethod or evaporating method) has multiple advantages, is mainly reflected in as follows：(1) burning effect
Rate is high.Directly burnt because of rubbish and belong to gas, solid heterogeneous reaction, rubbish is used as solid matter, and diffusivity, Combination are excessively poor,
Thus efficiency of combustion is relatively low, while being also easy to produce poisonous and harmful substance in combustion process；And the gaseous products and tar for producing are pyrolyzed,
Category homogeneous combustion, burning is abundant, efficiency high；(2) combustion process is easily controlled, and rubbish composition is complicated, physics and chemistry between each component
Can differ greatly, if directly burning, the ignition point of each component, reaction speed differ greatly, it is difficult to stability contorting；And refuse pyrolysis
Rear product combustion process homogeneous stability, it is easy to control；(3) pollute low, without after-treatment.If rubbish simply burns control not
In place, in addition to easily producing violent in toxicity " bioxin ", a large amount of flying dusts and residue containing noxious material can be also discharged, needs secondary place
Reason.Pyrolysis due to being homogeneous, anaerobic decomposition, thermal decomposition product burn again after final product mainly CO2And H2O, while volume reduction amount
Greatly, remaining breeze is less, is conducive to mitigating the secondary pollution to atmospheric environment.
Biomass, can also the byproduct such as association tar and carbon residue while aerogenesis is pyrolyzed.The presence of tar can reduce product
Gas rate and the thermal efficiency, more seriously in low temperature, tar can also be condensed into liquid, it is easy to be combined together with water and dust
Block and etching apparatus, cause when serious equipment cannot normal work, therefore it is required that by the yield reduction of tar to minimum, to carry
The quality of pyrolysis gas high.In various measures, the catalytic pyrolysis of tar is considered as a kind of most efficient technical process, the technique
It is, by tar conversion into the permanent gases of small molecule, to be utilized together with combustible gas.
CN101565647A discloses the preprocess method that a kind of domestic garbage as fuel is utilized, including garbage fuel point
Selecting technology, it is characterized in that house refuse is reached by primary election, broken or broken bag, screening, pneumatic floating selection by winnowing and air-dried operation
The moisture and inorganic content of garbage fuel are reduced, the calorific value of garbage fuel is improved, enables house refuse as gasification
The gasified raw material of stove is utilized, or makes house refuse be not required to add conventional fuel for combustion supporting and can be achieved with stablizing in incinerator burn,
Wherein：The house refuse of complicated component is separated into Bulky Waste, smallclothes rubbish, bulk building waste in primary election operation；Big
Part rubbish crushed by disintegrating machine, sub-elect waste wood particle is used as fuel utilization, smallclothes rubbish by after broken bag operation
Screened, removed silt particle, the composting feeding pneumatic floating air classifier on sieve is carried out selection by winnowing separation；Pneumatic floating selection by winnowing
Working air current in device is from bottom to top moved, and composting suspends rolling in selection by winnowing functional compartments, reaches loose condition (of surface), rubbish thing
Material presses density stratification, forms light material floating zone and middle heavier feeds floating zone, and low-moisture lightweight organic matter is by lightweight thing
Expect that the lightweight organic outlet of floating zone side is drawn, high-moisture, middle heavy organics are by middle heavier feeds floating zone side
Middle heavy organics outlet is drawn, and heavy inorganic matter is discharged from the outlet of pneumatic floating air classifier bottom；From pneumatic floating selection by winnowing
The low moisture lightweight organic matter feeding air dryer that device is isolated carries out air-drying treatment, as garbage fuel；From pneumatic floating selection by winnowing
Heavy organics feeding squeezing dehydration device carries out dewater treatment in the high-moisture that device is isolated, the organic solid waste thing after dehydration
Material feeding air dryer further removes moisture, as garbage fuel；Using following manner by pretreated garbage fuel
One of which utilized：A. garbage fuel feeding gasification furnace is converted into synthesis gas by gasification reaction；B. rubbish is fired
Material feeding incinerator or Industrial Boiler carry out burning disposal, are converted into heat energy；C. garbage fuel is crushed, is added addition
Agent, highdensity shaped fuel is produced with compression forming equipment.
CN103727542A discloses a kind of garbage pyrolysis furnace, it is characterized in that including depression bar, clamping device, taper bell,
Charging aperture, gas-liquid mixture collection channel, pipeline, holding pad, furnace shell, automatic ignition device, oxygen supply, venthole, distributor,
Air supervisor, stove pin, solid discharge, taper bell are arranged on body of heater top, and conical furnace is covered and is provided with charging aperture, clamping device peace
On depression bar, depression bar passes through taper bell, and depression bar bottom is connected with holding pad, and upper of furnace body is provided with gas-liquid mixture and collects logical
Road and pipeline, lower portion of furnace body are provided with solid discharge, and oxygen supply and automatic ignition device are evenly distributed on bottom of furnace body, and oxygen supply is
The pipeline of upper end closed, is provided with uniform downward-sloping venthole on duct wall.
CN1554893A discloses a kind of refuse pyrolysis gasification furnace, and the body of heater of dog-house, body of heater are mainly provided with including upper end
Inner chamber in be provided with heat-insulation layer, be provided with water-cooled layer between heat-insulation layer and the inwall of body of heater；In the inner chamber of heat-insulation layer, it is close to and feeds intake
Distributing device is provided with mouthful, distributing device is connected by power transmission shaft with the first driven gear, the first motor；At the lower ending opening of body of heater
Scummer is provided with, scummer is connected by the second driven gear and the second motor；Wireway is provided with, one end of wireway passes through
Scummer and body of heater, its mouth of pipe end form the air guide entrance of a umbrella at the bottom of body of heater, and the other end stops through soot blower
In its bottom.
CN1903457A discloses a kind of pyrolysis charring method of municipal refuse, it is characterized in that the charring process of rubbish is at least
Including procedure below, the pyrolysis charring process of rubbish, the pyrolysis gas produced during pyrolysis charring except acid gas process, heat
The combustion process vented one's spleen, the High Temperature Gas after pyrolysis gas burning transmit the process of heat in pyrolysis oven to rubbish；And pyrolysis is 250
DEG C carry out to the arbitrary temp between 650 DEG C.
CN104006389A discloses a kind of refuse pyrolysis method for gasifying and incinerating, the refuse pyrolysis method for gasifying and incinerating bag
Include following steps：(A1) rubbish enters in pyrolysis gasification furnace after predrying；Air from the top of the pyrolysis gasification furnace and
Bottom enters in stove；(A2) pyrolysis, gasification during rubbish declines in the pyrolysis gasification furnace, the imflammable gas of generation from
Gasification furnace middle part is brought out；(A3) residual carbon continues to move down in gasification furnace, and the air entered with bottom occurs gasification reaction,
The imflammable gas of generation is brought out from gasification furnace middle part, and the ashes of generation are discharged from the ash discharging hole of gasification furnace bottom.
CN103357411A discloses one kind and carries out discarded object and coal, mainly including house refuse, agriculture and forestry organic waste material, municipal administration
Calcium based catalysts of the materials such as sludge, mud, scrap rubber, waste plastics, tail coal pyrolysis aerogenic composition regulation and control and preparation method thereof.
Using the catalyst, the fuel gas yield in material pyrolytic process can be improved, and partial CO 2 is converted into an oxygen
Change carbon, so as to implement the regulation and control of gas componant.The catalyst is as raw material, by broken with carbonate mineral (including mine tailing)
It is broken, sieve, calcine, being processed into the catalyst with different shape and granule size.
WO2011/000513A1 discloses a kind of comprehensive waste treatment system and method, and it includes making for combustiblerefuse source
With, the separator for separating described combustiblerefuse from recyclable material, for by described combustiblerefuse drying producing
The vacuum desiccator of raw pyrolysis feed and for by described pyrolysis feed pyrolytic generating the heat of coke and pyrolysis gas
Solution device.System and method for generating electricity, including refuse disposal system of the invention or method, also including oxidator, use
In by the synthesis gas high-temperature oxydation produced from described pyrolysis feed producing the heat for generating electricity.
EP1121691A2 discloses a decomposition device of organic waste and method, two reactions of the device comprising series connection
Device, each reactor decomposes various organic compounds and reduces quality and body using the enhanced superheated steam of oxygen
Product.When in the fluid bed of steam/oxygen mixture injection ceramic bead, decompose rapidly.The speed of fluidization gas mixture is stirred
Mix ceramic bead, help the fragmentation of solid waste, oxygen carry out some oxidation reactions with compensate dry, pyrolysis and steam are reformed again
To the demand of heat.Major part pyrolysis occurs in the first order, and setting up the second level is used to make pyrolysis completely, and by using coreaction
Agent can separate the temperature of metal waste come the oxidation state and use for changing inorganic matter, so as to adjust or the waste form that gasifies.
US20110048915A1 discloses a kind for the treatment of waste and is obtained through pyrolysis from daily life and industrial organic waste
The method of hydrocarbon.The method for processing waste includes：Carry out the pyrolysis of the first and second stages；Separation pyrolyzing product is into several
Part；Treatment each section obtains useful product.While implementing second stage pyrolysis, electromagnetism work is carried out to thermal decomposition product
With.There is a pyrolysis reactor in the device of implementation, it is made up of two parts.It is mounted with the Part II of reactor
The original of electromagnetic action.The outlet of Part II is connected with the steam gas product separation system of pyrolysis.Technical result is：Improve
The effect for the treatment of waste simultaneously obtains the product of solid-state, liquid and gaseous state fuel element form.In pyrolysis, using soda as
Catalyst.
" biomass supercritical water gasification hydrogen production Research advance in catalysts for production ", Wang Yixue etc., chemical research and application, volume 25
1st phase, in January, 2013, the 7-11 pages pluck review biomass in supercritical water gasification hydrogen-producing used catalyst it is domestic and international
Five classes such as progress, alkali catalyst, metal-based catalysts, metal oxide catalyst, carbons catalyst, ore class are catalyzed
Agent can in various degree improve rate of gasification and hydrogen yield, be selected by the ratio of catalyst, propose effective catalyst and catalyst
Carrier.
However, as described above, in the above prior art, be primarily directed to standard biologic matter (such as stalk) or
The gasification that house refuse is carried out, lacks technique and dress that the building waste biomass to there is larger component difference are gasified
Put.The characteristics of various abandoned biomass in building waste regenerant, is complicated component, generally partly has certain pollution even
It is noxious material, and it is general from biological materials and stalk etc. such as discarded wood, sheet material, the fabrics in building waste recovery
Logical biomass difference is also resided in wherein containing considerable amount of dregs, cement block and other discarded building materials, not only pollutes big, Er Qieying
Ring burning.Therefore they are carried out into gasification conversion and prepares clean gas (such as stalk manufacture cleaning with conventional gasification of biomass
Combustion gas) there is a great difference in technique and equipment aspect, the two can not simple used interchangeably.This area need one kind can by from
The biomass that building waste is reclaimed carry out the device and technique of gasification energy conversion.
The content of the invention
To solve the above-mentioned problems in the prior art, the present inventor is by further investigation and many experiments, it is proposed that
Following technical scheme：
In one aspect of the invention, there is provided a kind of that the biomass reclaimed from building waste are carried out into the energy conversion that gasifies
Technique, the technique includes for the biomass reclaimed from building waste carrying out cracking gasification in pyrolysis furnace, then carries out one-level
Purification and secondary purification, then one-level separation and the second-order separation are carried out, after the second-order separation, tail gas is drawn using blower fan.
Preferably, first class purification is used to remove tar removing.The presence of tar can reduce factor of created gase and the thermal efficiency, even more serious
It is that, in low temperature, tar can also be condensed into liquid, it is easy to be combined together blocking and etching apparatus with water and dust, led when serious
Cause equipment cannot normal work tar there is larger toughness, therefore should remove in time, can otherwise influence subsequent technique.Separately
Outward, just having left the tar of pyrolysis furnace still has temperature relatively higher, and is generally in gaseous state, thus now easily purification is removed
Go.
Preferably, secondary purification is used to remove lime-ash, charcoal amylaceous substance.Lime-ash and carbon residue are also often to produce in gasification
Raw material, it can carry out purification removal for example, by cyclonic separation.
Preferably, one-level is separated for isolating H2、CO、CO2、CH4、C2H4And/or C2H6Gas.These gases can be made
For comprehensive combustion gas is used, so as to improve the added value of whole technique.The combustion gas 5 minutes or so can be produced, can be direct
Used for industrial heating, energy supply etc..
Preferably, the second-order separation is used to isolate fine ash, and the main component of fine ash is charcoal powder, and it is also used as
The hereinafter described carrier of catalyst, or feeding pyrolysis furnace can be mixed together with biomass.Experiencing foregoing purification and separation
Remained in step, in tail gas in some very thin ash contents, such as particle diameter is 10-100 μm of ash particles, it is necessary to be isolated,
These fine ash can be merged with the lime-ash in secondary purification, carbon residue, be used as the carrier of cracking gasifying catalyst.
Preferably, the technique of the invention is not purified including three-level.
In a particularly preferred embodiment of the invention, split by the biomass reclaimed from building waste feeding
Before solution stove, it is sufficiently mixed with catalyst.As it was noted above, the presence of tar can reduce factor of created gase and the thermal efficiency, more
Seriously, in low temperature, tar can also be condensed into liquid, it is easy to be combined together blocking and etching apparatus with water and dust,
Cause when serious equipment cannot normal work, therefore it is required that by the yield reduction of tar to minimum, to improve the quality of pyrolysis gas.
In various measures, the catalytic pyrolysis of tar is considered as a kind of most efficient technical process, the technique be by tar conversion into
The permanent gases of small molecule, are utilized together with combustible gas., by numerous studies, developing one kind can be effective for the present inventor
The catalyst of tar is decomposed, active component of the catalyst comprising carrier and load on the carrier, wherein carrier are fine coal
Ash, catalytic active component is NiO, CuO, Fe2O3Three kinds of composite oxides of oxide, the catalyst can be expressed as NiO-
CuO-Fe2O3The mol ratio of/flyash, wherein Ni, Cu, Fe is (5-10):(1-2):(10-20), based on total catalyst weight
Meter, NiO-CuO-Fe2O3The content of composite oxides is 2-10%.Preferably, the NiO-CuO-Fe2O3Composite oxides are
Nanoscale, its particle diameter is 5-80nm.Flyash is used in the catalyst as catalyst carrier, flyash is fast in cracking process
Quick burning burns, such that it is able to quickly improve the problem of catalyst activity component surrounding local environment, so that catalyst is lived
Property composition fast and efficiently play a role very much, even if can also play the effect of good coke tar cracking under relatively low furnace temperature,
And flyash decomposable asymmetric choice net, noresidue in itself.In the preparation of catalyst, the lime-ash, residual that can be obtained in purification and separation
Charcoal, fine ash mix with flyash, to improve resource utilization.The design of the active component, can effectively decompose tar, make
Tar yield in whole technique is greatly reduced.There is not been reported previously for such catalyst, is that the present invention is directed to from building
What the concrete composition feature of the biomass of garbage reclamation was targetedly designed, its design process takes a large amount of work.
The catalyst can be prepared using the conventional dipping calcination method in this area.Specifically, weigh according to the above ratio
A certain amount of NiCl2·6H2O、Cu(NO3)2·3H2O、Fe(NO3)3·9H2O and citric acid, plus deionized water dissolving, stirring are equal
It is even, the solution that concentration is 0.5-1.5mol/L is made into, weigh a certain amount of flyash and be put into three-necked bottle bottom, the solution that will be prepared
Pour into three-necked bottle, be placed in oil bath heating in constant-temperature heating magnetic stirring apparatus, 1h-10h is stirred at a temperature of 60-120 DEG C, then
It is put into drying box 100 DEG C -150 DEG C and dries 12h, the catalyst precursor that will then obtain is placed in 500 DEG C -800 in Muffle furnace
DEG C calcining 1h-6h, that is, obtain the NiO-CuO-Fe of dark brown2O3/ flyash catalyst.
In the process, can be by the catalyst and the biomass from building waste with 1:(100-10000), example
Such as 1:1000 weight is than mixing.Can be mixed uniformly using agitator.
The flyash is preferably the flyash by being modified, and the modified flyash of the process is obtained by the following method：
Added to flyash and be based on flyash weight meter 1.0-2.0%Ca (OH)2, 0.5-1.0%CaCl2And 0.5-1.0%CaSO4, stir
Uniform rear water of the addition based on flyash weight meter 5.0-10.0% is mixed, is again stirring for uniformly, being then dried to water content
Less than 0.5 weight %.The addition containing Ca materials can promote the carrying out that char Gasification reacts, and be formed in carrier surface
It is various to make the table of particle and there is polar activation position containing calcium complex, can be broken c h bond with adsorbing hydrocarbon, promote
The decomposition of tar and macromolecular hydrocarbon (such as flyash).
It is of course also possible to biomass are mixed with catalyst original position in pyrolysis furnace.It is for instance possible to use injection apparatus will
Catalyst fines is injected in biomass.
On the other hand, the biomass reclaimed from building waste are carried out into the energy conversion that gasifies the invention provides a kind of
Equipment, the equipment include pyrolysis furnace, first class purification device, second cleaner, primary separator, second-stage separator, roots blower with
And their connecting pipe, or by pyrolysis furnace, first class purification device, second cleaner, primary separator, second-stage separator, sieve
Thatch blower fan and their connecting pipe are constituted.
Pyrolysis furnace of the invention preferably uses plasma torch heats device.
More specifically, the biomass reclaimed from building waste are carried out into setting for gasification energy conversion the invention provides a kind of
It is standby, the equipment include pyrolysis furnace, first class purification device, second cleaner, primary separator, second-stage separator, roots blower and
Their connecting pipe, it is characterised in that the temperature control system of the pyrolysis furnace causes that high temperature is realized in the middle part of body of heater, and it is biological
Matter cracking is abundant, but furnace wall does not produce high temperature and furnace wall does not have refractory material；The cracking outlet of still is connected with first class purification device
Connect, first class purification device is terminated before second cleaner, rear end is connected with primary separator, primary separator rear end and second-stage separator
Connection；Roots blower is connected with second-stage separator.
Preferably, the equipment of the invention does not include three grade purifiers.
Preferably, Drechsel system is additionally provided with the first class purification device, the bottom of the Drechsel system is provided with outlet
Connection sedimentation basin.
Preferably, the pyrolysis furnace end is provided with drier, and the drier passes through gas collector and first class purification
Device is connected, and dust-filtering net is provided with the gas collector.
In particularly preferred embodiments, the pyrolysis furnace includes being capable of the injection apparatus of jet catalyst powder.
The blower fan is preferably three leaves Roots blower.
By technique of the invention and equipment, waste biomass material is by simple broken in building waste recycling
Treatment, is then sent into special pyrolysis furnace by electrically controlled magazine, and composite gas, the temperature control system of stove are produced in the cracking of stove high temperature
Blanket insurance has hindered high temperature and has been completed in the middle part of body of heater, and cracks fully, but furnace wall does not produce high temperature, does not have refractory material.By two
Level purification, two-stage gradually form cleaning fuel gas and charcoal after separating, and by debris therein, dust, vapor, wood tar
Etc. separating and discharge.In general, the present invention has following prominent technique effect：(1) energy conversion is rapid, 5 minutes or so
Combustion gas can be produced, industrial heating, energy supply etc. is directly used in and is used；(2) air accumulator, pressure controlling equipment are not needed, that is, is reduced
The investment of gas storage system, also eliminates the potential potential safety hazard such as leakage, poisoning, the blast of gas storage；(3) entirely produced
Journey does not have soot emissions, while two kinds of clean energy resourcies of combustion gas and charcoal are produced, with pollution-free, zero-emission, low cost, yield
Greatly, the features such as conveniently using.The charcoal kind of generation is excellent, can directly burn and use.
Brief description of the drawings
Accompanying drawing 1 is the knot according to the equipment that the biomass reclaimed from building waste are carried out gasification energy conversion of the invention
Structure schematic diagram；
In figure, 1 is pyrolysis furnace；2 is first class purification device；3 is second cleaner；4 is primary separator；5 is the second-order separation
Device；6 is roots blower.
Specific embodiment：
Embodiment 1
The invention will be further described below in conjunction with the accompanying drawings.
A kind of building waste of the present invention reclaims flammable biomass gasification device, including pyrolysis furnace 1, first class purification device 2, two grades
Clarifier 3, primary separator 4, second-stage separator 5, roots blower 6 and their connecting pipe, the cracking furnace outer wall are provided with
Spiral flue, the flue is connected with the thermosistor input being arranged on pyrolysis furnace 1, the thermosistor output end and one-level
Clarifier 2 is connected, and first class purification device 2 is terminated before second cleaner 3, and rear end is connected with primary separator 2, second cleaner 3
In be provided with cyclone separator, the cyclone separator is connected with the steam (vapor) outlet on second cleaner 3；Roots blower point
It is not connected with second-stage separator 5.Drechsel system is additionally provided with the first class purification device, the bottom of the Drechsel system is provided with
Outlet connection sedimentation basin.The pyrolysis furnace end is provided with drier, and the drier passes through gas collector and first class purification
Device 2 is connected, and dust-filtering net is provided with the gas collector.
The device of the invention discharges good purification, in garbage disposal compared with general waste incineration treatment apparatus
During the pollution of environment is substantially reduced, and can quickly process daily building waste, energy recovery utilization rate is high.
Embodiment 2
The gasification of the biomass for using the device of embodiment 1 reclaimed from building waste, wherein will be from building waste
The biomass of recovery carry out cracking gasification in pyrolysis furnace, then carry out first class purification and secondary purification, then carry out one-level separation
And the second-order separation, after the second-order separation, tail gas is drawn using blower fan.The building waste is the rubbish of demolishing buildings, its
Biomass are including woodwork, plastics, yarn fabric etc..The catalyst used in cracking process is comprising carrier and is supported on the load
Active component on body, wherein carrier are flyash, and catalytic active component is NiO, CuO, Fe2O3Three kinds of composite oxygens of oxide
Compound, the catalyst is expressed as NiO-CuO-Fe2O3The mol ratio of/flyash, wherein Ni, Cu, Fe is 5:1:15, based on catalysis
Agent gross weight meter, NiO-CuO-Fe2O3The content of composite oxides is 5%.By the catalyst and biomass with 1:2000 weight
Than mixing, cracking furnace temperature is 650 DEG C.After testing, the content for leaving the tar in gas of pyrolysis furnace is 0.89%, emission
In do not detect bioxin and furans.
Comparative example 1
Comparative example 1 and embodiment 2 are differed only in using conventional cracking gasification installation, wherein only first class purification,
Secondary purification and one-level are separated.The total content of emission Zhong bioxin and furans is 1.8ppm (v).
Comparative example 2
Comparative example 2 uses conventional nickel-base catalyst NiO/Al with differing only in for embodiment 22O3.After testing, leave
The content of the tar in gas of pyrolysis furnace is 9.15%.
Clearly be can be seen that when using technique of the invention and equipment by the contrast of the above results, can had very much
Effect ground eliminates bioxin and furans in tail gas, while when using catalyst of the invention, tar can be made effectively to be divided
Solution, the tar in gas content for leaving cracking gasification furnace is reduced to original less than 1/10.All these effects are all this areas
Technical staff is unexpected.
This written description discloses the present invention, including optimal mode using example, and also enables those skilled in the art
Manufacture and use the present invention.It is of the invention can patentable scope be defined by the claims, and this area skill can be included
Other examples that art personnel expect.If this other examples have the structural elements of literal language not different from claims
Element, or if this other examples include equivalent structure element of the literal language without substantial differences with claims,
Then this other examples are intended within the scope of claims.In the case where inconsistent degree is not resulted in, by reference to
The all references part of reference herein is incorporated herein.
Claims (8)
1. it is a kind of by the biomass reclaimed from building waste carry out gasify energy conversion technique, it is characterised in that：The technique bag
Include carries out cracking gasification by the biomass reclaimed from building waste in pyrolysis furnace, then carries out first class purification and two grades net
Change, then carry out one-level separation and the second-order separation, after the second-order separation, drawn tail gas using blower fan；
Wherein before the biomass feeding pyrolysis furnace that will be reclaimed from building waste, it is sufficiently mixed with catalyst, this is urged
Agent includes carrier and load active component on the carrier, and wherein carrier is flyash, catalytic active component be NiO,
CuO、Fe2O3Three kinds of composite oxides of oxide, the catalyst is expressed as NiO-CuO-Fe2O3/ flyash, wherein Ni, Cu,
The mol ratio of Fe is (5-10):(1-2):(10-20), based on overall catalyst weight gauge, NiO-CuO-Fe2O3Composite oxides
Content is 2-10%；
, using the following equipment that the biomass reclaimed from building waste are carried out gasification energy conversion, the equipment is by splitting for the technique
Solution stove, first class purification device, second cleaner, primary separator, second-stage separator, roots blower and their connecting pipe group
Into.
2. technique according to claim 1, it is characterised in that：Wherein first class purification is used to remove tar removing.
3. technique according to claim 1 and 2, it is characterised in that：Wherein secondary purification is used to remove lime-ash, carbon residue thing
Matter.
4. technique according to claim 1 and 2, it is characterised in that：Wherein one-level is separated for isolating H2、CO、CO2、
CH4、C2H4And/or C2H6Gas.
5. technique according to claim 1 and 2, it is characterised in that：Wherein the second-order separation is used to isolate fine ash.
6. technique according to claim 1, it is characterised in that：The temperature control system of the pyrolysis furnace causes high temperature in body of heater
Portion realizes, and biomass cracking is fully, but furnace wall does not produce high temperature and furnace wall does not have refractory material；It is described cracking outlet of still with
First class purification device is connected, and first class purification device is terminated before second cleaner, and rear end is connected with primary separator, after primary separator
End is connected with second-stage separator；Roots blower is connected with second-stage separator.
7. technique according to claim 1, it is characterised in that：Drechsel system is additionally provided with the first class purification device, institute
The bottom for stating Drechsel system is provided with outlet connection sedimentation basin；Preferably, it is provided with cyclone separator in second cleaner.
8. the technique according to claim 1 or 7, it is characterised in that：The pyrolysis furnace end is provided with drier, the drying
Device is connected by gas collector with first class purification device, and dust-filtering net is provided with the gas collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036752.8A CN104593023B (en) | 2015-01-26 | 2015-01-26 | The biomass that will be reclaimed from building waste carry out the technique and device of gasification energy conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036752.8A CN104593023B (en) | 2015-01-26 | 2015-01-26 | The biomass that will be reclaimed from building waste carry out the technique and device of gasification energy conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104593023A CN104593023A (en) | 2015-05-06 |
| CN104593023B true CN104593023B (en) | 2017-06-27 |
Family
ID=53119097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510036752.8A Active CN104593023B (en) | 2015-01-26 | 2015-01-26 | The biomass that will be reclaimed from building waste carry out the technique and device of gasification energy conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104593023B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007928A (en) * | 2019-05-31 | 2020-12-01 | 唐山惠川环保科技有限公司 | Continuous biomass comprehensive recycling process system |
| CN110760343A (en) * | 2019-10-15 | 2020-02-07 | 武汉丰盈能源技术工程有限公司 | Method for reducing tar content in biomass fluidized bed gasification furnace synthesis gas |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR200705430A2 (en) * | 2007-08-03 | 2008-12-22 | Detes Maden Enerji̇ Ve Çevre Teknoloji̇si̇ Si̇stemleri̇ Li̇mi̇ted Şi̇rketi̇ | Solid fuel gasification and gas cleaning system. |
| CN101817012B (en) * | 2009-02-27 | 2012-02-29 | 上海神工环保股份有限公司 | Gasification treatment device for household refuse |
| CN101649226A (en) * | 2009-09-11 | 2010-02-17 | 北京震宇成套电气设备集团 | Method for preparing fuel gas by gasifying biomass materials and device thereof |
| CN202164272U (en) * | 2011-05-24 | 2012-03-14 | 湖北楚天生物质能源科技开发有限公司 | Biomass pyrolyzing and gasifying device |
| CN203330098U (en) * | 2013-06-21 | 2013-12-11 | 浩昌再生资源投资有限公司 | Harmless treatment and comprehensive utilization system of urban and rural solid waste |
-
2015
- 2015-01-26 CN CN201510036752.8A patent/CN104593023B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104593023A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | Pyrolysis technologies for municipal solid waste: a review | |
| CN100381352C (en) | Method and device for plasma producing hydrogen by using garbage biomass and water as raw material | |
| CN104804775B (en) | The method and system of domestic garbage pyrolysis gasification production combustible gas | |
| WO2011113298A1 (en) | Gasification-liquefaction disposal method, system and equipment for household garbage | |
| CN106694519B (en) | Life-garbage comprehensive treatment technology | |
| CN104087340A (en) | Waste pyrolysis system with adjustable oil, gas and carbon and method | |
| CN108176703A (en) | Polynary waste method for innocent treatment and its system | |
| CN103666505A (en) | Equipment for reducing and transforming household garbage or organic waste into energy resources | |
| CN104531183B (en) | System for transforming waste combustible material recovered from building rubbish into clean gas | |
| CN112161273B (en) | Harmless treatment device and method for household garbage | |
| CN110551550A (en) | RDF prepared from household garbage and high-temperature pyrolysis gasification treatment process | |
| JPH10310783A (en) | High-temperature gasification of waste and system therefor | |
| CN106244239A (en) | Refuse gasification produces the process of synthetic natural gas | |
| CN107674691A (en) | A kind of system and method for domestic garbage resource | |
| CN104593023B (en) | The biomass that will be reclaimed from building waste carry out the technique and device of gasification energy conversion | |
| CN109355071A (en) | City house refuse treatment method and processing system | |
| CN209456367U (en) | System for treating municipal solid waste | |
| CN205774358U (en) | A kind of carbonaceous organic material continuous pyrolysis purifies the system of CO fuel gas | |
| CN106479534A (en) | A kind of refuse pyrolysis plasma gasification prepares the method and system of hydrogen fuel | |
| CN104593022B (en) | Process and device for gasifying combustibles from construction wastes | |
| CN104479742B (en) | Biomass gas preparation system | |
| CN110938473A (en) | System and method for realizing energy utilization of traditional Chinese medicine waste residues by utilizing red mud solid waste | |
| CN110510578A (en) | A kind of efficient hydrogen producer of city sewage sludge reclamation | |
| CN105861073A (en) | Method and system for purifying CO fuel gas through continuous pyrolysis of carbon-containing organic matter | |
| CN207552243U (en) | A kind of system of domestic garbage resource |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING GUOJIA XINCHUANG TECHNOLOGY DEVELOPMENT CO Free format text: FORMER OWNER: BEIJING YUANTAIDA ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECHNOLOGY CO., LTD. Effective date: 20150721 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150721 Address after: 100095, No. 2, building 2, building 1, Gao Li Lu, Beijing, Haidian District, 201-003 Applicant after: Beijing Jia Xin new technology development Co., Ltd. Address before: Four the history of Beijing City Road 102205 Changping District Yangfang town No. 603 Applicant before: BEIJING YUANTAIDA ENVIRONMENTAL PROTECTION BUILDING MATERIAL TECHNOLOGY CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |