CN106010719A - Method and apparatus for producing biomass fuel by using urban waste - Google Patents
Method and apparatus for producing biomass fuel by using urban waste Download PDFInfo
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- CN106010719A CN106010719A CN201610579597.9A CN201610579597A CN106010719A CN 106010719 A CN106010719 A CN 106010719A CN 201610579597 A CN201610579597 A CN 201610579597A CN 106010719 A CN106010719 A CN 106010719A
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- 239000002028 Biomass Substances 0.000 title claims abstract description 104
- 239000000446 fuel Substances 0.000 title claims abstract description 54
- 239000002699 waste material Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 229920003023 plastic Polymers 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 15
- 102000004190 Enzymes Human genes 0.000 claims abstract description 14
- 108090000790 Enzymes Proteins 0.000 claims abstract description 14
- 239000008186 active pharmaceutical agent Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 78
- 239000010794 food waste Substances 0.000 claims description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000018044 dehydration Effects 0.000 claims description 25
- 238000006297 dehydration reaction Methods 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 24
- 239000012071 phase Substances 0.000 claims description 20
- 239000010813 municipal solid waste Substances 0.000 claims description 19
- 238000010298 pulverizing process Methods 0.000 claims description 18
- 238000005201 scrubbing Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 239000010806 kitchen waste Substances 0.000 abstract 3
- 150000002739 metals Chemical class 0.000 abstract 2
- 239000002781 deodorant agent Substances 0.000 abstract 1
- 235000013312 flour Nutrition 0.000 description 10
- 238000000465 moulding Methods 0.000 description 10
- 239000010902 straw Substances 0.000 description 10
- 239000002023 wood Substances 0.000 description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- 239000005864 Sulphur Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 230000001877 deodorizing effect Effects 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 230000032258 transport Effects 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 238000004332 deodorization Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000002550 fecal effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/442—Wood or forestry waste
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/08—Drying or removing water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/24—Mixing, stirring of fuel components
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/28—Cutting, disintegrating, shredding or grinding
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/32—Molding or moulds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/54—Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
- C10L2290/546—Sieving for separating fractions, components or impurities during preparation or upgrading of a fuel
-
- 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
- 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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
Abstract
The invention discloses a method and apparatus for producing biomass fuel by using urban waste. The method comprises: (1), classifying biomass waste, removing metals and plastics, and crushing; (2), classifying kitchen waste, removing metals and plastics, crushing, and dewatering; (3), mixing and stirring the biomass waste, the dewatered kitchen waste and sludge according to a dry-base ratio of parts by weight: 5.5-6.0:1.5-2.0:2.5-3.0, adding 0.001-0.005 L/kg per DS of biological enzyme deodorant into a mixture; (4), extruding the mixture in an extruder into strips; (5), drying the strips at a high temperature of 400 DEG C, and drying at a low temperature of 60-80 DEG C; (6), cooling a dried product to normal temperature to obtain the finished biomass fuel 3500 c/kg in caloric value. The invention has the advantages that the process is simple, the fuel can be produced from the mixture of biomass waste, kitchen waste and sludge, and the method and apparatus are easy to implement, save energy and reduce secondary pollution of environment.
Description
Technical field
The present invention relates to changing food waste, the biomass waste material of urban landscaping generation and the processing technology field of mud.
Background technology
By the end of the year 2014, whole nation the planned city, county (hereinafter referred to as cities and towns, without other organic town) accumulative sewage treatment plant 3717 that builds up, sewage treatment capacity 1.57 billion cubic meters/day, relatively 2013 newly-increased about 800 ten thousand steres/days.
Whole nation the planned city builds up sewage treatment plant 2107 of putting into operation, forms sewage treatment capacity 1.29 billion cubic meters/day, relatively 2013 newly-increased about 600 ten thousand steres/days.
Along with increasing substantially of sewage treatment capacity, the generation amount of mud is also being dramatically increased.According to statistics, by the end of the year 2014, the generation amount of national wet mud (moisture content 80%) is 1,000,000 ton day.Most mud is merely by the machinery simple dehydration such as belt filter press or centrifuge to 80%, just transports outward disposal, easily causes secondary pollution.Along with expanding economy, population constantly migrates to big city, and changing food waste also rolls up.At present, in national policy aspect, although require changing food waste is classified, but lack and effectively process disposal options, fail effectively changing food waste to be carried out resource reutilization.
Additionally, along with city size also expands constantly, substantial amounts of deadwood, leaves, hay, straw, timber, wood flour etc. also can be produced during afforestation, for want of effective processing mode, major part is all together with house refuse, is transported to landfill yard landfill, causes the substantial amounts of wasting of resources.
Therefore, how these urban waste are carried out stabilisation, minimizing, innoxious and recycling treatment, become the new difficult problem that each place is faced.
Summary of the invention
It is an object of the invention to provide a kind of convenient enforcement, technique is simple, can be prevented effectively from the organic method manufacturing biomass fuel with urban waste lost and can guarantee that again product calorific value.
It is a further object of the present invention to provide a kind of urban waste and manufacture the device of biomass fuel.
1., biomass waste material pretreatment the technical solution of the present invention is: a kind of urban waste manufactures the method for biomass fuel, comprises the following steps:: after including classification, removing metal, plastics, pulverize；2., changing food waste pretreatment: after including classification, removal metal, plastics, pulverizing, be dehydrated the changing food waste after pulverizing, discharging moisture content reaches less than 40%；3., mixing pretreatment: by biomass waste material, carry out mix and blend according to butt weight ratio 5.5-6.0:1.5-2.0:2.5-3.0 through changing food waste, the mud being dehydrated, and add the ecological enzyme deodorizer of 0.001-0.005L/kg.DS in the mixture；4., extruded: in mixture is sent into extruder, to be squeezed into bar；5., it is dried: the short time high temperature that bar carries out 400 DEG C is dried, then carries out the cold drying of 60-80 DEG C；6., cooling: carry out being cooled to room temperature by dried product, obtain the biomass fuel finished product that calorific value is 3500 kilocalories/more than kg.
Carry out biomass waste material, changing food waste respectively classifying, going the removal of impurity and pulverizing, the organic principle therein raw material sources as fuel can be made full use of, processed conventionally moisture percentage in sewage sludge is generally about 80%, can be in proportion by the biomass waste material after mud and process, changing food waste mixing, the moisture in mud is utilized to be diluted mixing, effectively eliminate the invalidation step needing to add water in existing method, save energy consumption, content of organics in mixture is guaranteed, it is ensured that the calorific value of product reaches requirement；By adding deodorizer, it is ensured that product does not contains stink；The high temperature drying of short time can effectively kill antibacterial, and the most the composition of destruction of organic material, i.e. can not avoid the secondary environmental pollution that dosing causes, can effectively ensure again product calorific value, and whole processing step is simple, and efficiency is high, and process environmental protection is controlled.
In described drying steps, high temperature section drying time is 7-15s, and low-temperature zone drying time is 20-30min.Avoid high temperature sterilization destruction of organic material content, can fully ensure that again sterilization effect, ensure that the moisture of product does not exceeds standard simultaneously.
In described changing food waste pre-treatment step, the changing food waste after pulverizing uses high pressure filter-press dehydration, feed pressure 2.0MPa, feed time 25min, squeeze pressure 25MPa, squeezes time 5min.Fully being dehydrated changing food waste, efficiency is high.
nullAnother technical solution of the present invention is: a kind of urban waste manufactures the device of biomass fuel，Including stirred reactor、Single lead screw ex truding briquetting machine、It is provided with the belt dryer of high temperature section and low-temperature zone、Cooler、Medicine storing pot、High temperature hot-blast furnace、Low Temperature Thermal wind furnace，Wherein stirred reactor entrance exports with biomass processor respectively、Food waste treatment device exports、Sludge bucket outlet is connected，Stirred reactor outlet connects the entrance of single lead screw ex truding briquetting machine，The outlet of single lead screw ex truding briquetting machine connects the material inlet of belt dryer，Medicine storing pot outlet is connected in stirred reactor by dosing pump，High-temperature hot-air outlet of still connects the high temperature section gas phase entrance of belt dryer by the first air-introduced machine，The outlet of Low Temperature Thermal wind furnace connects the low-temperature zone gas phase entrance of belt interference unit by the second air-introduced machine，The gaseous phase outlet of low-temperature zone connects exhaust blower，The material outlet of belt dryer connects cooler entrance.
Biomass waste material, changing food waste can be carried out pretreatment respectively in proportion by the biomass waste material after mud and process, changing food waste mixing, the moisture in mud is utilized to be diluted mixing, effectively eliminate the invalidation step needing to add water in existing method, save energy consumption, content of organics in mixture is guaranteed, it is ensured that the calorific value of product reaches requirement；By adding deodorizer, it is ensured that product does not contains stink；High temperature drying can effectively kill antibacterial, and the most the composition of destruction of organic material, i.e. can not avoid the secondary environmental pollution that dosing causes, can effectively ensure again product calorific value, and whole processing step is simple, and efficiency is high, and process environmental protection is controlled
Described utensil garbage pre-processing device includes kitchen garbage grinder, storage tank, plunger displacement pump, supertension pressure filter, apron quantitive conveyor, wherein kitchen garbage grinder outlet connects storage tank, storage tank outlet connects plunger displacement pump entrance, outlet of plunger pump connects supertension pressure filter material inlet, supertension pressure filter material outlet connects apron quantitive conveyor, and apron quantitive conveyor outlet connects described stirred reactor entrance.Fully can be dehydrated changing food waste, work efficiency is high, works continuously conveniently.
The top gas phase outlet of described stirred reactor, the outlet of described exhaust blower, described cooler top gas phase export the bottom gas phase entrance connecting scrubbing tower respectively, and the top gas phase outlet of scrubbing tower connects biological deodorizing device entrance.Can carry out washing deodorization to the foul smell produced in course of reaction, it is ensured that device aerofluxus meets environmental requirement.
It is additionally provided with First Heat Exchanger and the second heat exchanger, the 3rd water circulating pump, wherein the shell-side inlet of First Heat Exchanger connects air inlet, the shell-side outlet of First Heat Exchanger connects the entrance of described Low Temperature Thermal wind furnace, the shell-side inlet of the second heat exchanger connects the outlet of described exhaust blower, the shell-side outlet of the second heat exchanger connects the bottom gas phase entrance of described scrubbing tower, the tube side entrance of First Heat Exchanger connects the tube side outlet of the second heat exchanger, the tube side outlet of First Heat Exchanger connects the entrance of the 3rd water circulating pump, and the 3rd recirculated water delivery side of pump connects the tube side entrance of the second heat exchanger.Absorbed the heat of Low Temperature Thermal wind furnace aerofluxus, the air that heating Low Temperature Thermal wind furnace entrance sucks, it is provided that heating efficiency by the second heat exchanger, reduce energy consumption.
The method have the advantages that: technique is simple, it is possible to use biomass waste, changing food waste and mud mixture manufacturing fuel that convenient enforcement is saved the energy, reduced the secondary pollution to environment.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic flow sheet of the embodiment of the present invention；
null1、Biomass crusher，2、Biomass silo，3、Sack cleaner，4、3rd air-introduced machine，5、There is axle apron quantitive conveyor，6、Supertension pressure filter，7、Apron quantitive conveyor，8、Plunger displacement pump，9、Kitchen garbage grinder，10、Storage tank，11、Blowback air accumulator，12、Air compressor，13、Cooling driers，14、Instrument air accumulator，15、Sludge bucket，16、There is screw conveyor shaft，17、Stirred reactor，18、Single lead screw ex truding briquetting machine，19、Band drier，20、Exhaust blower，21、First Heat Exchanger，22、4th air-introduced machine，23、Scrubbing tower，24、First water circulating pump，25、Water tank，26、Second water circulating pump，27、Biological deodorizing device，28、5th air-introduced machine，29、Medicine storing pot，30、Dosing pump，31、High temperature hot-blast furnace，32、First air-introduced machine，33、Second air-introduced machine，34、Low Temperature Thermal wind furnace，35、Bucket elevator，36、Cooler，37、High temperature section，38、Low-temperature zone，39、Second heat exchanger，40、Air inlet，41、3rd water circulating pump.
Detailed description of the invention
Embodiment:
nullRefering to Fig. 1，The device of biomass fuel is manufactured for a kind of urban waste，Including biomass processor、Food waste treatment device、Sludge treatment equipment、Stirred reactor 17、Single lead screw ex truding briquetting machine 18、It is provided with the belt dryer 19 of high temperature section 37 and low-temperature zone 38、First Heat Exchanger 21、Second heat exchanger 39 cooler 36、Medicine storing pot 29、High temperature hot-blast furnace 31、Low Temperature Thermal wind furnace 34、Scrubbing tower 23、Biological deodorizing device 27，Wherein biomass processor includes biomass crusher 1、Biomass silo 2、Sack cleaner 3、3rd air-introduced machine 4、There is axle apron quantitive conveyor 5，The bottom discharge of biomass crusher 1 is sent in biomass silo 2 by the 3rd air-introduced machine 4，Sack cleaner 3 is arranged on the top of biomass silo 2，Biomass silo 2 bottom discharge sends into stirred reactor 17 entrance by there being axle apron quantitive conveyor 5；Food waste treatment device includes supertension pressure filter 6, apron quantitive conveyor 7, plunger displacement pump 8, kitchen garbage grinder 9, storage tank 10, changing food waste is stored in entering storage tank 10 by kitchen garbage grinder 9 after being pulverized, material in storage tank 10 sends into supertension pressure filter 6 filter-press dehydration by plunger displacement pump 8, and the changing food waste after dehydration sends into stirred reactor 17 entrance by apron quantitive conveyor 7；Sludge treatment equipment includes storing the sludge bucket 15 of mud, having screw conveyor shaft 16, and mud sends into stirred reactor 17 entrance by there being screw conveyor shaft 16；Mixing biomass waste material, changing food waste, mud in stirred reactor 17, the ecological enzyme deodorizer in medicine storing pot 29 is sent into stirred reactor 17 by dosing pump 30, is carried out hybrid reaction deodorization gas with material.The outlet of stirred reactor 17 connects the entrance of single lead screw ex truding briquetting machine 18, the outlet of single lead screw ex truding briquetting machine 18 connects the material inlet of belt dryer 19, high temperature hot-blast furnace 31 exports the high temperature section 37 gas phase entrance being connected belt dryer 19 by the first air-introduced machine 32, the outlet of Low Temperature Thermal wind furnace 34 connects the low-temperature zone 38 gas phase entrance of belt dryer 19 by the second air-introduced machine 33, the gaseous phase outlet of low-temperature zone 38 connects exhaust blower 20, and the material outlet of belt dryer 19 connects the entrance of cooler 36 by bucket elevator 35.
The top gas phase outlet of stirred reactor 19, the outlet of exhaust blower 20, the outlet of cooler 36 top gas phase are passed through the 4th air-introduced machine 22 respectively and are connected the bottom gas phase entrance of scrubbing tower 23, and the top gas phase outlet of scrubbing tower 23 connects biological deodorizing device 27 entrance；The liquid phase entrance of scrubbing tower 23 connects the outlet of the first water circulating pump 24, and the entrance of the first water circulating pump 24 connects water tank 25, and the outlet of scrubbing tower 23 bottom liquid phases connects water tank 25.Washings are extracted out by the first water circulating pump 24 from storage tank, spray in the spray header in scrubbing tower 23, carry out washing deodorization to the gas entered；Biological deodorizing device 27 also is provided with the second water circulating pump 26, can enter the gas in biological deodorizing device 27 from top circulation spray cleaning, and the 5th air-introduced machine 28 extracts the gas in biological deodorizing device 27 out row to air.
It is provided with First Heat Exchanger 21 and the second heat exchanger 39 between air inlet 40 and exhaust blower 20 export, 3rd water circulating pump 41, wherein the shell-side inlet of First Heat Exchanger 21 connects air inlet 40, the shell-side outlet of First Heat Exchanger 21 connects the entrance of Low Temperature Thermal wind furnace 34, the shell-side inlet of the second heat exchanger 39 connects exhaust blower 20 and exports, the shell-side outlet of the second heat exchanger 39 connects the bottom gas phase entrance of scrubbing tower 23, the tube side entrance of First Heat Exchanger 21 connects the tube side outlet of the second heat exchanger 39, the tube side outlet of First Heat Exchanger 21 connects the entrance of the 3rd water circulating pump 41, the outlet of the 3rd water circulating pump 41 connects the tube side entrance of the second heat exchanger 39.
This device is provided with blowback air accumulator 11, air compressor 12, cooling driers 13, instrument air accumulator 14, compressed air is produced by air compressor 12, a part of compressed air is sent in blowback air accumulator 11, use with supertension pressure filter 6 filter pressing, another part compressed air is sent into cooling driers 13 and is dried except sending into instrument air accumulator 14 after water, for pneumatic instrument each in device.
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., biomass waste material pretreatment: after including classification, removal metal, plastics, pulverize；
2., changing food waste pretreatment: after including classification, removal metal, plastics, pulverizing, be dehydrated the changing food waste after pulverizing, discharging moisture content reaches less than 40%；
3., mixing pretreatment: by biomass waste material, carry out mix and blend according to butt weight ratio 5.5-6.0:1.5-2.0:2.5-3.0 through changing food waste, the mud being dehydrated, and add the ecological enzyme deodorizer of 0.001-0.005L/kg.DS in the mixture；
4., extruded: in mixture is sent into extruder, to be squeezed into bar；
5., it is dried: the high temperature section that bar carries out 400 DEG C is dried, then the low-temperature zone carrying out 60-80 DEG C is dried；
6., cooling: carry out being cooled to room temperature by dried product, obtain the biomass fuel finished product that calorific value is 3500 kilocalories/more than kg.
In drying steps, high temperature section drying time is 5-15s, and low-temperature zone drying time is 20-30min.Avoid high temperature sterilization destruction of organic material content, can fully ensure that again sterilization effect, ensure that the moisture of product does not exceeds standard simultaneously.
In changing food waste pre-treatment step, the changing food waste after pulverizing uses high pressure filter-press dehydration, feed pressure 2.0MPa, feed time 25min, squeeze pressure 25MPa, squeezes time 5min.
For further illustrating beneficial effects of the present invention, illustrate below by way of contrast experiment's example:
Experimental example 1
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 60 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 75 parts of the mud of moisture content 80% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 60%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 10s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60～80 DEG C, and the time of staying is about 25min, and the material water ratio after Two stage dryer is about 15%；
6., by material sending into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, and moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel be 3587 kilocalories/kilogram, moisture content is 11.2%, and ash is 18%, and volatilization is divided into 63%；Organic substance is 68%, and sulphur content is 0.05%.The biomass fuel fraction obtained is sold to biomass electric power plant as the heat energy that supplies of this technique, unnecessary part, pack packing outward transport.
Experimental example 2
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 60 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 37.5 parts of the mud of moisture content 60% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 46.67%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 10s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 25min, and the material water ratio after Two stage dryer is about 14%；
6., by material sending into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, and moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel be 3563 kilocalories/kilogram, moisture content is 11.0%, and ash is 17.5%, and volatilization is divided into 63%；Organic substance is 68%, and sulphur content is 0.05%.The biomass fuel fraction obtained is sold to biomass electric power plant as the heat energy that supplies of this technique, unnecessary part, pack packing outward transport.
Experimental example 3
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 55 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 90 parts of the mud of moisture content 60% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 62.5%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 10s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 28min, and the material water ratio after Two stage dryer is about 15%；
6., by material sending into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, and moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel be 3505 kilocalories/kilogram, moisture content is 11.6%, and ash is 18.5%, and volatilization is divided into 62%；Organic substance is 67%, and sulphur content is 0.04%.The biomass fuel fraction obtained is sold to biomass electric power plant as the heat energy that supplies of this technique, unnecessary part, pack packing outward transport.
Experimental example 4
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 50 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 10 parts standby；
3., take in 120 parts of the mud of moisture content 80% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 66.67%.
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 10s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 30min, and the material water ratio after Two stage dryer is about 15.5%；
6., material is sent into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel is 3401 kilocalories/kilogram (is unsatisfactory for 3500 kilocalories/kilogram), and moisture content is 12.4%, ash is 18.9%, and volatilization is divided into 59%；Organic substance is 64.3%, and sulphur content is 0.04%.The biomass fuel fraction obtained is sold to biomass electric power plant as the heat energy that supplies of this technique, unnecessary part, pack packing outward transport.
Experimental example 5
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 25 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 5 parts standby；
3., take in 210 parts of the mud of moisture content 60% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., mixed material feeding single lead screw ex truding briquetting machine 18 is carried out extruded, but cannot molding.After testing, the moisture content of mixture is 75%, the failure of an experiment.
Experimental example 6
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 60 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 75 parts of the mud of moisture content 80% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 60%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 10s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 30min, and the material water ratio after Two stage dryer is about 15%；
6., by material sending into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, and moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel be 3587 kilocalories/kilogram, moisture content is 11.2%, and ash is 18.9%, and volatilization is divided into 63%；Organic substance is 68%, and sulphur content is 0.05%；
7., product being carried out Hygienic Index detection, induced worm egg death rate is 100%, and excrement colibacillus group value is 1, and total number of bacteria is 0.
Experimental example 7
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 60 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 75 parts of the mud of moisture content 80% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 60%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 5s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 25min, and the material water ratio after Two stage dryer is about 15%；
6., by material sending into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, and moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel be 3563 kilocalories/kilogram, moisture content is 11.4%, and ash is 18%, and volatilization is divided into 63%；Organic substance is 68%, and sulphur content is 0.05%；
7., product being carried out Hygienic Index detection, induced worm egg death rate is 99%, and excrement colibacillus group value is 1, and total number of bacteria is 0.
Experimental example 8
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 60 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 75 parts of the mud of moisture content 80% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 60%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 400 DEG C, the time of staying is about 20s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 25min, and the material water ratio after Two stage dryer is about 15%；
6., material is sent into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel is 3246 kilocalories/kilogram (is unsatisfactory for 3500 kilocalories/kilogram), and moisture content is 11%, ash is 18%, and volatilization is divided into 60%；Organic substance is 65%, and sulphur content is 0.05%；
7., product being carried out Hygienic Index detection, induced worm egg death rate is 100%, and excrement colibacillus group value is 10, and total number of bacteria is 0.
Experimental example 9
A kind of urban waste manufactures the method for biomass fuel, comprises the following steps:
1., by garbage produced by urban landscaping, after the sorted removal plastics such as deadwood, leaves, hay, straw, timber, wood flour and metal, pulverize, take 60 parts standby, now, the moisture content of biomass is 40%；
2., by after sorted for changing food waste removal plastics and metal, pulverizing, utilize high-pressure plunger pump to inject supertension pressure filter 6 and carry out filter-press dehydration, after filter-press dehydration, the moisture content of material is 40%, broken after, take 15 parts standby；
3., take in 75 parts of the mud of moisture content 80% puts into stirred reactor 17 with pretreated changing food waste and biomass and carry out strength and mix, and add deodorizer (ecological enzyme, dosage 0.001-0.005L/kg.DS)；
4., carrying out extruded by mixed material feeding single lead screw ex truding briquetting machine 18, be allowed to become fine and close bar, now, the moisture content of bar is 60%；
5. the material, after molding is sent directly into the high temperature section 37 of band drier 19 and is dried, and baking temperature 200 DEG C, the time of staying is about 10s；Then, material enters low-temperature zone 38 and is dried, and baking temperature is 60-80 DEG C, and the time of staying is about 25min, and the material water ratio after Two stage dryer is about 15%；
6., by material sending into cooling tower 36 to cool down, after cooling, the temperature of material is room temperature, and moisture content is further reduced to less than 12%, obtain biomass fuel, after testing, the calorific value of biomass fuel be 3513 kilocalories/kilogram, moisture content is 11.6%, and ash is 18%, and volatilization is divided into 64%；Organic substance is 68.5%, and sulphur content is 0.05%；
7., product being carried out Hygienic Index detection, induced worm egg death rate is 98%, and excrement colibacillus group value is 0.1, and total number of bacteria is 0.
Experimental contrast analysis one:
For reflecting the technical essential of this patent more intuitively, above 1-5 experiment is analyzed, just like draw a conclusion (data such as following table):
1, the mixed proportion of biomass, changing food waste and mud is in the range of this patent, can produce product smoothly, and calorific value meets the requirements.
2, the moisture content of mud is the lowest, and drying time is the shortest, and energy consumption is the lowest.
3, the mixed proportion of biomass, changing food waste and mud (deviates less) not in the range of this patent, it is possible to produce product, but calorific value and moisture content all do not reach requirement.
4, the mixed proportion of biomass, changing food waste and mud (deviates bigger) not in the range of this patent, mixed material cannot molding, implement unsuccessfully.
Experimental contrast analysis two:
For reflecting the technical essential of this patent more intuitively, above 6-9 experimental example is analyzed, just like draw a conclusion (data such as following table):
1, material stops 10S at 400 DEG C, effectively antibacterial, fecal coliform can be killed, induced worm egg death rate can be made to reach 100%.
2, material stops 5S at 400 DEG C, can be effectively by killing bacteria, and fecal coliform can detect, and induced worm egg death rate can be made to reach 99%, illustrates that the material time of staying in high-temperature region is inadequate.
3, material 400 DEG C of time of staying more than 10S, when reaching 20S, although antibacterial, fecal coliform can be killed, induced worm egg death rate can be made to reach 100%, but the organic matter of material will lose, the calorific value of final products also reduces, and illustrates that the material time of staying in high-temperature region is long, causes organic loss.
4, material stops 10S at 200 DEG C, and because temperature is not reaching to requirement, excrement colibacillus group increases, and induced worm egg death rate reduces, and illustrates that temperature is inadequate.
Utilizing the biomass fuel obtained by the inventive method, its product index is: calorific value >=3500 kilocalorie/kilogram；Moisture content≤12%；Ash≤20%；Volatile matter >=60%；Organic substance >=60%, sulphur content≤0.2%.The present invention realizes the recycling of urban waste, it is achieved the recycling treatment of garbage, efficiently solves the urban waste secondary pollution to environment, final output biomass fuel, can efficiently solve energy starved social problem.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and all equivalences done without departing from the present invention are implemented or change, are intended to be limited solely by the scope of the claims of this case.
Claims (7)
1. the method manufacturing biomass fuel with urban waste, it is characterised in that comprise the following steps:
1., biomass waste material pretreatment: after including classification, removal metal, plastics, pulverize；
2., changing food waste pretreatment: after including classification, removal metal, plastics, pulverize, after pulverizing
Changing food waste is dehydrated, and discharging moisture content reaches less than 40%；
3., mixing pretreatment: by biomass waste material, pass through the changing food waste of dehydration, mud according to butt weight portion
Ratio 5.5-6.0:1.5-2.0:2.5-3.0 carries out mix and blend, and adds in the mixture
The ecological enzyme deodorizer of 0.001-0.005L/kg.DS；
4., extruded: in mixture is sent into extruder, to be squeezed into bar；
5., it is dried: the high temperature section that bar carries out 400 DEG C is dried, then the low-temperature zone carrying out 60-80 DEG C is dried；
6., cooling: carrying out being cooled to room temperature by dried product, obtaining calorific value is 3500 kilocalories/more than kg's
Biomass fuel finished product.
A kind of urban waste the most according to claim 1 manufactures the method for biomass fuel, and its feature exists
In: in described drying steps, high temperature section drying time is 7-15s, and low-temperature zone drying time is 20-30min.
A kind of urban waste the most according to claim 1 and 2 manufactures the method for biomass fuel, and it is special
Levying and be: in described changing food waste pre-treatment step, the changing food waste after pulverizing uses high pressure filter-press dehydration,
Feed pressure 2.0MPa, feed time 25min, squeeze pressure 25MPa, squeezes time 5min.
4. one kind with urban waste manufacture biomass fuel device, it is characterised in that: include stirred reactor,
Single lead screw ex truding briquetting machine, it is provided with high temperature section and the belt dryer of low-temperature zone, cooler, medicine storing pot, high-temperature hot-air
Stove, Low Temperature Thermal wind furnace, wherein stirred reactor entrance respectively with biomass processor outlet, changing food waste
Processing means outlet, sludge bucket outlet are connected, and stirred reactor outlet connects the entrance of single lead screw ex truding briquetting machine, squeezes
The outlet of pressing machine connects the material inlet of belt dryer, and medicine storing pot outlet connects stirring by dosing pump
In reactor, high-temperature hot-air outlet of still connects the high temperature section gas phase entrance of belt dryer by the first air-introduced machine,
The outlet of Low Temperature Thermal wind furnace connects the low-temperature zone gas phase entrance of belt dryer by the second air-introduced machine, low-temperature zone
Gaseous phase outlet connects exhaust blower, and the material outlet of belt dryer connects cooler entrance.
A kind of urban waste the most according to claim 4 manufactures the device of biomass fuel, and its feature exists
In: described utensil garbage pre-processing device includes kitchen garbage grinder, storage tank, plunger displacement pump, supertension
Pressure filter, apron quantitive conveyor, wherein kitchen garbage grinder outlet connects storage tank, and storage tank outlet connects
Plunger displacement pump entrance, outlet of plunger pump connects supertension pressure filter material inlet, supertension pressure filter material outlet
Connecting apron quantitive conveyor, apron quantitive conveyor outlet connects described stirred reactor entrance.
6. manufacture the device of biomass fuel according to a kind of urban waste described in claim 4 or 5, it is special
Levy and be: the top gas phase outlet of described stirred reactor, the outlet of described exhaust blower, described cooler top
Gaseous phase outlet connects the bottom gas phase entrance of scrubbing tower respectively, and the top gas phase egress links biology of scrubbing tower removes
Smelly device portal.
A kind of urban waste the most according to claim 6 manufactures the device of biomass fuel, and its feature exists
In: it is additionally provided with First Heat Exchanger and the second heat exchanger, the 3rd water circulating pump, the wherein shell-side of First Heat Exchanger
Entrance connects air inlet, and the shell-side outlet of First Heat Exchanger connects the entrance of described Low Temperature Thermal wind furnace, and second changes
The shell-side inlet of hot device connects the outlet of described exhaust blower, and the shell-side outlet of the second heat exchanger connects described scrubbing tower
Bottom gas phase entrance, the tube side entrance of First Heat Exchanger connect the second heat exchanger tube side outlet, first changes
The tube side outlet of hot device connects the entrance of the 3rd water circulating pump, and the 3rd recirculated water delivery side of pump connects the second heat exchange
The tube side entrance of device.
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| CN109158406A (en) * | 2018-08-29 | 2019-01-08 | 深圳市研本品牌设计有限公司 | A kind of Kitchen garbage disposal device |
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| CN113118049A (en) * | 2020-01-15 | 2021-07-16 | 隆顺绿能科技股份有限公司 | Raw material sorting system and method for solid recovered fuel |
| CN113124926A (en) * | 2020-01-15 | 2021-07-16 | 隆顺绿能科技股份有限公司 | Heat value estimation system and method for solid recovered fuel |
| CN113801713A (en) * | 2020-06-15 | 2021-12-17 | 深圳市泽源能源股份有限公司 | Environment-friendly fuel and preparation method thereof |
| CN113969202A (en) * | 2020-07-21 | 2022-01-25 | 深圳市泽源能源股份有限公司 | Method for treating waste plastic and sludge |
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