CN108176703A - Polynary waste method for innocent treatment and its system - Google Patents
Polynary waste method for innocent treatment and its system Download PDFInfo
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- CN108176703A CN108176703A CN201810140436.9A CN201810140436A CN108176703A CN 108176703 A CN108176703 A CN 108176703A CN 201810140436 A CN201810140436 A CN 201810140436A CN 108176703 A CN108176703 A CN 108176703A
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- 239000002699 waste material Substances 0.000 title claims abstract description 107
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 115
- 239000000843 powder Substances 0.000 claims abstract description 86
- 239000002893 slag Substances 0.000 claims abstract description 78
- 238000002309 gasification Methods 0.000 claims abstract description 66
- 239000007787 solid Substances 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 30
- 239000012159 carrier gas Substances 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 27
- 239000012065 filter cake Substances 0.000 claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 claims description 42
- 239000010802 sludge Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000010298 pulverizing process Methods 0.000 claims description 40
- 238000002485 combustion reaction Methods 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 32
- 239000002918 waste heat Substances 0.000 claims description 31
- 238000011084 recovery Methods 0.000 claims description 29
- 230000008676 import Effects 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 17
- 239000002910 solid waste Substances 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000005416 organic matter Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000008246 gaseous mixture Substances 0.000 claims description 4
- 239000010813 municipal solid waste Substances 0.000 claims description 4
- 241000195493 Cryptophyta Species 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 244000144972 livestock Species 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 244000144977 poultry Species 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 239000008213 purified water Substances 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 6
- 239000010808 liquid waste Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 12
- 239000010865 sewage Substances 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
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- 230000008901 benefit Effects 0.000 description 4
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- 239000003245 coal Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000002296 pyrolytic carbon Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 230000003834 intracellular effect Effects 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
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- 235000019504 cigarettes Nutrition 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
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- 238000005530 etching Methods 0.000 description 1
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- 230000008020 evaporation Effects 0.000 description 1
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- 239000002737 fuel gas Substances 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
-
- 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
- Y02W30/20—Waste processing or separation
Abstract
The invention discloses a kind of polynary waste method for innocent treatment and its system, this method to include the following steps：1) it pre-processes；2) desiccation powder：The filter cake under condition of negative pressure is subjected to turbulent flow with hot carrier gas and heats the drying and other treatment being combined with cyclone drying, desiccation temperature is 40~500 DEG C, and reverse cutting is carried out along hot carrier gas stream opposite direction to the filter cake using rotary cutter simultaneously and is hit so that filter cake is by quick desiccation and is broken into powder waste；3) gas solid separation；4) gasification and waste residue harmless treatment；5) heat and synthesis gas harmless treatment are recycled；6) tail gas hazard-free is handled；7) wastewater treatment.The present invention carries out quick drying and other treatment to organic liquid waste the like waste material using low-temperature negative-pressure drying technique, can powder waste material rapidly be made in flow-like waste, it can be as a kind of raw material of molten slag type gasification furnace, it can realize the cooperation-gasified burning of multi-element material, efficiently realize the processing of waste Harmless.
Description
Technical field
The present invention relates to solid waste resource recovery treatment technology, in particular to a kind of polynary waste harmless treatment side
Method and its system.
Background technology
In the process of running, sludge yield is huge for sewage treatment plant, while most of harmful substance remains in dirt in sewage
In mud, how thoroughly to solve the problems, such as to pollute caused by sludge to have become extremely urgent.Traditional method for sludge treatment mainly has
Landfill, burn, row it is extra large, agricultural etc., but there are many drawbacks for these traditional processing methods：Sludge landfill needs to occupy a large amount of
Soil, and the noxious material exudation contained in sludge will influence water and soil resources；Burning sludge, due to being harmful in sludge containing a large amount of
Substance, and a large amount of harmful substance is inevitably generated in combustion process, such as：Nitrogen oxides, sulfur dioxide are Ji bioxin
Substances are waited, so as to cause secondary pollution to ecological environment, seriously affect public's health；Sludge row sea, if Treatment of Sludge
Improper direct row sea, can cause the living resources such as the fish in ocean serious pollution, destroy the marine eco-environment；Sludge agriculture
With organic fertilizer is made in sludge and is sold as product, but containing more poisonous and harmful substance in sludge, product can pollute agriculture
Crop, therefore, it is difficult to industrialization promotions.
In addition, compared to sludge incineration, existing pyrolyzing sludge technology is that sludge is added under the conditions of oxygen-free environment
Heat makes the organic matter in sludge carry out thermal cracking and Thermochemical Decomposition reaction, generates pyrolysis gas, pyrolytic behavior and pyrolytic carbon, due to
It is heated in the case where closing oxygen free condition, uncontaminated gases discharge；Most of heavy metal particles are remained in pyrolytic carbon, are alleviated to ring
The pollution in border, pyrolytic behavior and pyrolysis gas can be as the energy supplies of pyrolysis itself, and pyrolytic carbon can be used as the suction of sewage, exhaust-gas treatment
Attached dose, operating cost can generate tar significantly lower than burning in pyrolytic process, production and health can be generated huge
Harm, and tar burning when easily generate carbon black, this, which can allow, makes equipment heavily damaged, such as：There is a kind of sludge
Rotary kiln pyrogenation technique, tar yield is more, and easily blocking pipeline, etching apparatus etc., frequent parking maintenance, and rear end needs
Water-oil separating that will be complicated and purifier cause investment to greatly increase.Existing sludge cracking equipment for gasification mainly has outer heat to crouch
Formula reactor and fluidized-bed process, it is very high however, as sludge moisture content, even from the dewatered wet dirt of sewage treatment plant
Mud moisture content is also up to 80%, therefore the higher sludge treatment technique of this water content is in the process of running there are many drawbacks,
Directly using wet mud as raw material, easily occur in the reactor it is hardened, glue phenomena such as wall, equipment is caused to be difficult to continuously transport
Row, and sludge transformation efficiency is not high；And dewatered sludge is used as raw material, drying sludge pretreatment early period needs to consume a large amount of
Energy consumption.
Or it can be seen that above-mentioned existing method for sludge treatment cannot meet Treatment of Sludge technology requirement or cannot
Solve the problems, such as that sludge damages to environment and the mankind, therefore, to Treatment of Sludge using the research and development of new technology with critically important
Realistic meaning.
Invention content
Present invention aim to provide a kind of polynary waste method for innocent treatment and its system, this method can incite somebody to action
Gasified raw material is converted to after the quick drying and other treatment of waste, realizes innoxious use.
To achieve the above object, the technical solution adopted by the present invention is：A kind of polynary waste method for innocent treatment, packet
Include following steps：
1) it pre-processes：Organic fluid waste is pre-processed, the filter cake of preliminarily dried is made；
2) desiccation powder：The filter cake is carried out turbulent flow heating with hot carrier gas to be combined with cyclone drying under condition of negative pressure
Drying and other treatment, desiccation temperature is 40~500 DEG C, and simultaneously using rotary cutter to the filter cake along hot carrier gas stream opposite direction
It carries out reverse cutting to hit so that filter cake is by quick desiccation and is broken into powder waste；
3) gas solid separation：Gas solid separation processing is carried out, isolates the powder waste and tail gas；
4) gasification and waste residue harmless treatment：The powder waste and other solid waste progress is cooperation-gasified
Organic matter rapid conversion in powder waste and solid waste is generated synthesis gas, together by processing under high temperature, oxidation environment
When, harmful ash content will melt rapidly together in the slag that gasifies, and realize the harmless treatment of waste residue；
5) heat and synthesis gas harmless treatment are recycled：The synthesis gas is fully burnt recycling heat, simultaneously synthesizing gas
Middle harmful components burning removes, qualified discharge after the purified processing of flue gas generated after syngas combustion；
6) tail gas hazard-free is handled：The tail gas that step 3) generates is dusted after processing and is recycled to be used in as hot carrier gas
In step 2), tail gas zero-emission is realized；Or by the direct burning conversion of tail gas into harmless flue gas；
7) wastewater treatment：The waste water that step 6) is generated carries out purified treatment, and obtained purified water is applied in step 4)
Quench processing is carried out, while the sludge generated is sent into circular treatment in step 1) to gasification slag.
Further, in the step 1), organic fluid waste is sludge, kitchen garbage, feces of livestock and poultry, algae and water
In one or more mixing；The filter cake moisture content is 40%~60%.
Further, in the step 2), desiccation temperature is 40 DEG C~90 DEG C, and desiccation pressure is -0.01~-0.08MPa,
Drying time≤20s；Powder waste grain size after desiccation is 0.5~2mm, and moisture content is 5~15%.
Further, in the step 2), desiccation temperature is 50 DEG C~80 DEG C, and desiccation pressure is -0.04~-0.06MPa.
Further, when desiccation temperature is 90~500 DEG C in the step 2), tail gas is directly fired in the step 5)
Burning is converted to harmless flue gas.
Further, in the step 2), the heat circulating air recycled by the use of step 6) is as hot carrier gas；The step
It is rapid 2) in, extraneous waste heat, the combustion heat, electrical heating, electromagnetic heating, solar energy or geothermal energy heat cycles gas add as hot carrier gas
Circulating air temperature after heat is 200 DEG C~400 DEG C.
Further, in the step 4), powder waste is first subjected to granulation processing and is made granular waste, then with separately
Outer solid waste carries out cooperation-gasified processing；The solid waste is municipal refuse, culled wood, stalk, biomass
It is one or more in grain.
Further, in the step 5), take it is Partial cleansing after flue gas be recycled to be used in step 2) as hot carrier gas.
A kind of polynary waste innocuity disposal system, including desiccation fuel pulverizing plant, gas-solid separating device, molten slag type gasification
Device, deslagging device, combustion furnace, spray washing device, waste-heat recovery device, purifier and wastewater treatment equipment；It is described
It is provided on desiccation fuel pulverizing plant for the confession feed inlet that manufactured filter cake enters after pretreatment, for heat supply carrier gas and entered
Gas feed and mixture for being exported for the gaseous mixture of powder waste and hot carrier gas export, the desiccation powder
The mixture outlet of device is connect with the mixture import of gas-solid separating device, is additionally provided with and is used on the gas-solid separating device
Powder outlet for the output of powder waste and the offgas outlet for being discharged for tail gas；The powder of the gas-solid separating device
Body outlet is connect with the first import of molten slag type gasification installation, is additionally provided with to give up for solid on the molten slag type gasification installation
Gurry enter the second import, for for slag discharge slag-drip opening and for for synthesis gas discharge exhaust outlet；It is described molten
The slag-drip opening of slag formula gasification installation and the slag inlet of deslagging device connect, and are provided with to discharge for slag charge on the deslagging device
Slag notch, for for cold water enter water inlet and for supplying hot water output water outlet；The molten slag type gasification installation
Exhaust outlet connect with the combustion furnace, the combustion furnace is connect with the high temperature air inlet of the waste-heat recovery device, described remaining
The low temperature gas outlet of heat reclamation device and the air inlet of purifier connect, and the clean gas outlet of the purifier and the external world are defeated
Piping is sent to be connected, the wastewater outlet of the purifier and the first waste water inlet of wastewater treatment equipment connect, at the waste water
The water inlet of treated water outlet and deslagging device for managing device connects, sludge liquid outlet and the desiccation system of the wastewater treatment equipment
The feed inlet connection of powder device；The offgas outlet is connect with the spray washing device, the outlet of the spray washing device
Mouth is connect with the low temperature air inlet mouth of the waste-heat recovery device, and high temperature gas outlet and the desiccation powder of the waste-heat recovery device fill
The gas feed connection put.
Further, the second waste water inlet of the dust-laden wastewater outlet of the spray equipment and wastewater treatment equipment connects.
Further, the pipe between the powder outlet of the gas-solid separating device and the first import of molten slag type gasification installation
Road is provided with the conveying device for conveying powder waste, and the second entrance setting of the molten slag type gasification installation is useful
In the charging gear of conveying solid substance waste.
Further, the pipe between the powder outlet of the gas-solid separating device and the first import of molten slag type gasification installation
Road is provided with the prilling granulator for being granulated to powder waste.
Further, the desiccation fuel pulverizing plant includes housing and the spiral board for being arranged on housing cavity lower part, the rotation
Be provided with above flowing plate can high-speed rotating crushing cutter, the feed inlet is located at the top of crushing cutter, the gas into
Mouth is located at the lower section of spiral board.
Further, the spiral board includes annular inclined plate fixed with inner walls and is arranged in annular inclined plate
The solid panel of circle, the annular inclined plate upper edge its be arranged circumferentially several for through-hole that heat supply carrier gas sprays.
Further, the gas feed and the tangent arrangement of bottom outer wall circumference of desiccation fuel pulverizing plant, the mixture
Outlet and the tangent arrangement of top exterior walls circumference of desiccation fuel pulverizing plant.
As a kind of deformation of above-mentioned polynary waste innocuity disposal system, another polynary waste harmless treatment
System, including desiccation fuel pulverizing plant, gas-solid separating device, molten slag type gasification installation, deslagging device, combustion furnace, waste heat recovery dress
It puts, purifier and wastewater treatment equipment；It is provided on the desiccation fuel pulverizing plant for for manufactured after pretreatment
Feed inlet that filter cake enters, the gas feed entered for heat supply carrier gas and for for the mixed of powder waste and hot carrier gas
The mixture outlet of gas output is closed, the mixture outlet and the mixture import of gas-solid separating device of the desiccation fuel pulverizing plant connect
It connects, is additionally provided on the gas-solid separating device for the powder outlet for the output of powder waste and for being arranged for tail gas
The offgas outlet gone out；The powder outlet of the gas-solid separating device is connect with the first import of molten slag type gasification installation, described molten
Be additionally provided on slag formula gasification installation for for solid waste enter the second import, for for slag discharge slag-drip opening,
And for the exhaust outlet for synthesis gas discharge；The slag-drip opening of the molten slag type gasification installation and the slag inlet of deslagging device connect
Connect, be provided on the deslagging device for for slag charge discharge slag notch, for for cold water enter water inlet and be used for
The water outlet of supplying hot water output；The exhaust outlet of the molten slag type gasification installation is connect with the combustion furnace, the combustion furnace and institute
State the high temperature air inlet connection of waste-heat recovery device, the low temperature gas outlet of the waste-heat recovery device and the air inlet of purifier
Connection, the clean gas outlet of the purifier are connected with external world's conveying piping, the wastewater outlet and waste water of the purifier
The first waste water inlet connection of processing unit, the treated water outlet of the wastewater treatment equipment and the water inlet of deslagging device connect
It connects, the sludge liquid outlet of the wastewater treatment equipment is connect with the feed inlet of desiccation fuel pulverizing plant；The offgas outlet with it is described
Combustion furnace connects, and the clean gas outlet of the purifier is connect with the low temperature air inlet mouth of the waste-heat recovery device, described remaining
The high temperature gas outlet of heat reclamation device is connect with the gas feed of desiccation fuel pulverizing plant.
Compared with prior art, the present invention has the following advantages：
First, the present invention carries out quick drying and other treatment to organic liquid waste the like waste material using low-temperature negative-pressure drying technique,
Can powder waste material rapidly be made in flow-like waste, can be as a kind of raw material of molten slag type gasification furnace, it can be real
The processing of waste Harmless is efficiently realized in the cooperation-gasified burning of existing multi-element material.
It directly burns the place that is combined with synthesis gas second, present system gasifies to multi-element material using high-temperature slag formula
Reason mode it is innoxious to can guarantee that all harmful ash contents melt completely, and the processing mode that gasification, and combustion is combined can be from source
Reduce the generation of harmful substance, moreover it is possible to by the abundant combustion reaction of various harmful constituents, harmful components are entirely free of in flue gas, so as to
The extremely complex flue gas purifying technique of traditional waste burning process is avoided, significantly reduces gas cleaning difficulty.
Third, present system can realize the intensive processing of polynary waste, poisonous metal substance can by high-temperature fusion,
Thoroughly realize the harmless treatment of polynary waste.
Fourth, present system is used as the heat of low-temperature negative-pressure drying process using the low temperature exhaust heat for the treatment of process itself
Source can realize the high low-grade combination of the energy and self-sufficiency, and remaining thermal energy can provide the heat user on periphery, thus be very suitable for city
City's rubbish, sludge, the treatment in situ of agriculture and forestry organic waste material, on-site elimination are also very suitable for small-scale distributed system business model
Utilization.
Fifth, the present invention is intensive using distribution, the system is realized in waste water, waste residue, the intensive processing of useless mud energy integration
Distributed arrangement realizes gathering materials on the spot, digesting on the spot for waste, does not generate secondary pollution, greatly improve system
The feature of environmental protection；The present invention considers many factors such as environmental protection, safe and healthy and economic benefit, provide it is a kind of will be useless
Gurry processing and the technical solution of Castoff material energizing perfect adaptation, have broad application prospects.
Description of the drawings
Fig. 1 is the structure diagram of the polynary waste innocuity disposal system of embodiment 1.
Fig. 2 is the workflow schematic diagram of embodiment 1.
Fig. 3 is the structure diagram of the polynary waste innocuity disposal system of embodiment 2.
Fig. 4 is the workflow schematic diagram of embodiment 2.
Fig. 5 is the workflow schematic diagram of embodiment 3.
Fig. 6 is the structure diagram of desiccation fuel pulverizing plant in Fig. 1.
Fig. 7 is along the schematic cross-sectional view in A-A directions in Fig. 6.
Fig. 8 is along the schematic cross-sectional view in B-B directions in Fig. 6.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, convenient for more clearly understanding this
Invention, but they do not form the present invention and limit.
Embodiment 1
Polynary waste innocuity disposal system as shown in Figure 1, including desiccation fuel pulverizing plant 1, gas-solid separating device 2,
Molten slag type gasification installation 3, deslagging device 4, combustion furnace 12, spray washing device 11, waste-heat recovery device 5, purifier 6, with
And wastewater treatment equipment 7；The feed inlet for entering for filter cake manufactured after pretreatment is provided on desiccation fuel pulverizing plant 1
1.1st, for the gas feed 1.2 of heat supply carrier gas entrance and for for powder waste and the gaseous mixture output of hot carrier gas
Mixture outlet 1.3, the mixture outlet 1.3 of desiccation fuel pulverizing plant 1 are connect with the mixture import 2.1 of gas-solid separating device 2,
It is additionally provided on gas-solid separating device 2 for the powder outlet 2.2 for the output of powder waste and for for tail gas discharge
Offgas outlet 2.3；The powder outlet 2.2 of gas-solid separating device 2 is connect with the first import 3.1 of molten slag type gasification installation 3, slag
The second import 3.2 for entering for solid waste, the slag-drip opening for being discharged for slag are additionally provided on formula gasification installation 3
3.3 and for for synthesis gas discharge exhaust outlet 3.4；The slag-drip opening 3.3 of molten slag type gasification installation 3 and deslagging device 4 into
Cinder notch 4.1 connects, and is provided on deslagging device 4 for the slag notch 4.2 for slag charge discharge, the water inlet for entering for cold water
4.3 and for supplying hot water output water outlet 4.4；The exhaust outlet 3.4 of molten slag type gasification installation 3 is connect with combustion furnace 12, combustion
It burns stove 12 to connect with the high temperature air inlet 5.1 of waste-heat recovery device 5, low temperature gas outlet 5.2 and the purification of waste-heat recovery device 5 fill
It puts 6 air inlet 6.1 to connect, the clean gas outlet 6.2 of purifier 6 and extraneous conveying piping are connected, the waste water of purifier 6
Outlet 6.3 is connect with the first waste water inlet 7.1 of wastewater treatment equipment 7, and the treated water outlet 7.2 of wastewater treatment equipment 7 is with removing
The water inlet 4.3 of slag device 4 connects, the sludge liquid outlet 7.3 of wastewater treatment equipment 7 and the feed inlet 1.1 of desiccation fuel pulverizing plant 1
Connection；Offgas outlet 2.3 is connect with spray washing device 11, gas outlet and the waste-heat recovery device 5 of spray washing device 11
Low temperature air inlet mouth 5.3 connects, and the high temperature gas outlet 5.4 of waste-heat recovery device 5 connects with the gas feed 1.2 of desiccation fuel pulverizing plant 1
It connects；The dust-laden wastewater outlet 11.3 of spray washing device 11 is connect with the second waste water inlet 7.4 of wastewater treatment equipment 7.Gas-solid
It is provided on pipeline between the powder outlet 2.2 and the first import 3.1 of molten slag type gasification installation 3 of separator 2 for defeated
The conveying device 13 of powder feeding body waste is provided at the second import 3.2 of molten slag type gasification installation 3 and is discarded for conveying solid substance
The charging gear 14 of object.Between the powder outlet 2.2 and the first import 3.1 of molten slag type gasification installation 3 of gas-solid separating device 2
The prilling granulator for being granulated to powder waste is provided on pipeline.
In said program, with reference to shown in Fig. 6~Fig. 8, desiccation fuel pulverizing plant 1 includes housing 1.4 and is arranged in housing 1.4
The spiral board 1.5 of chamber lower part, the top of spiral board 1.5 be provided with can high-speed rotating crushing cutter 1.6, feed inlet 1.1 is located at
The top of crushing cutter 1.6, gas feed 1.2 are located at the lower section of spiral board 1.5.Spiral board 1.5 includes consolidating with 1.4 inner wall of housing
Fixed annular inclined plate 1.51 and the solid panel 1.52 for being arranged on annular 1.51 inner ring of inclined plate, annular 1.51 upper edge of inclined plate its
It is arranged circumferentially several through-holes 1.53 for heat supply carrier gas ejection.Outside the bottom of gas feed 1.2 and desiccation fuel pulverizing plant 1
The tangent arrangement of wall circumference, mixture outlet 1.3 and the tangent arrangement of top exterior walls circumference of desiccation fuel pulverizing plant 1.The desiccation system
The bottom of powder device 1 is provided with the driving motor 1.7 for crushing cutter 1.6 to be driven to rotate.
The course of work of desiccation fuel pulverizing plant 1 is as follows：1) aqueous filter cake is sent into desiccation fuel pulverizing plant 1, filter cake is first
From top to bottom by the turbulent heating of hot wind progress, in the bottom eddy flow section for subsequently entering desiccation fuel pulverizing plant 1, in bottom eddy flow section
Interior air-flow promotion filter cake forms the material eddy flow of positive rotation direction, meanwhile, filter cake can be cut by reverse high-speed rotating crushing cutter 1.6
The powder waste of grain size≤2mm is hit and is broken into, powder waste rises with the air-flow of heat and forms turbulent flow, in turbulent section
It can carry out violent heat transfer to exchange, control whole system negative pressure is in -0.001~-0.08Mpa, preferably -0.04~-0.06MPa
(gauge pressure) reduces the evaporation partial pressure of cell moisture inside powder waste so that internal moisture can quickly escape powder and give up
Gurry and gradually dry, dry powder can be formed in 30s and discards composition granule.Wherein, recyclegas enters desiccation powder dress
The eddy flow direction for putting 1 formation is opposite with 1.6 direction of rotation of crushing cutter；2) dry powder discards composition granule and subsequently enters desiccation
In the top eddy flow section of fuel pulverizing plant 1, powder waste carries out cyclone drying with air-flow, can be stopped in headspace, carries out more
Further heat exchange drying, completes powder waste drying process, and the top eddy flow section of desiccation fuel pulverizing plant 1 can be to powder
Particle carries out preliminary feed separation so that large granular materials directly fall into the eddy flow section of 1 bottom of desiccation fuel pulverizing plant and broken
Broken cutter 1.6 crushes again, and the particulate material that grain size is less than setting grain size (2mm) can directly escape desiccation fuel pulverizing plant 1
Into in follow-up gas-solid separating device 2.
Polynary waste (the organic fluid waste and solid waste) harmless treatment carried out using system described in Fig. 1
Method, as shown in Fig. 2, it is as follows：
1) it pre-processes：Organic depleted filtrate (water-containing sludge) that moisture content is 97%~98% is taken off through sludge conditioning, depth
Water process into moisture content be 40~60% filter cake；In addition to organic depleted filtrate, in kitchen garbage, feces of livestock and poultry, algae and water
One or more mixtures are also suitable.
2) desiccation powder：Filter cake subsequently enters desiccation fuel pulverizing plant 1 and carries out low-temperature negative-pressure drying process, low-temperature negative-pressure desiccation
It is the drying mode being combined using turbulent flow heating with cyclone drying, using 200 DEG C~400 DEG C of high temperature circulation exhaust gas as heat
Source forms high-speed rotational gas in desiccation fuel pulverizing plant 1, and crushing cutter 1.6 (rotating blade) is used inversely to cut in it
The mode of cutting forms turbulent flow, can aqueous 40~60% filter cake material quickly be reduced to powder of the moisture content below 15% and discarded
Object, the operation interval temperature of desiccation temperature 50 C~80 DEG C coordinate the negative pressure of regulating system in -0.001~-0.08MPa (tables
Pressure) in, can effectively destroy biological cell wall release intracellular water, it is high to the thermal sensitivity of moisture content 20~80%, the water containing intracellular,
The moisture content of material rapid draing to 5~15% in 20 seconds of hardly possible dehydration, drying efficiency are very high.Powder after desiccation is discarded
Object grain size is 0.5~2mm.
3) gas solid separation：Gas solid separation is carried out using gas-solid separating device 2, powder waste is isolated and tail gas is (useless
Gas), the powder waste containing organic matter of low-temperature negative-pressure desiccation production with after tail gas separation, powder waste is sent into powder pressing
Supply unit, powder waste after pressurized delivered by being sent into gasification furnace, and tail gas is then removed into spray washing device
Dirt processing, due to being that having in organic depleted filtrate such as low temperature desiccation, sludge is carried out in 50 DEG C~80 DEG C of operation interval temperature
Evil gas componant is not precipitated, and by spray washing by the solid dust spraying cooling in exhaust gas, enters sewage with sewage
Processing system.
4) gasification and waste residue harmless treatment：The flammable solids such as municipal refuse, culled wood, stalk, biological particles are given up
Gurry is sent directly into molten slag type gasification furnace entrance, and solid waste is sent into through gasification furnace feeding system from the top of gasification furnace to gasify
In stove, high-temperature gasification is carried out, and powder waste is then to spray into gasification furnace slag area from burner by powder delivery system, in height
Warm slag area carries out gasification reaction, realizes that powder waste is injected directly into high temperature melting tabetisol, and carries out strong turbulent flow with slag
Organic matter in powder granule is carried out rapid conversion by mixing under high temperature, oxidation environment, and harmful ash content will be rapidly in slag
In melt together, slag, which subsequent discharges into, carries out Quench processing in slag bath, obtains glassy state slag, realizes the innoxious of harmful waste residue
Processing.It is also possible to which powder waste is made fuel particle by comminutor, fuel particle has the characteristics that homogeneity,
It is very suitable for the conveying of granule materials feeding system.In application process, powder waste is to be injected directly into gas with powder material
Change stove, be also formed into desiccation particle depending on sludge, organic depleted filtrate treatment process process and follow-up raw material are using between system
Distance, distance, be granulated convenient for conveying, transhipment, storage etc..
The high-temperature slag formula gasification technology of this technique evades the Production conditions of dioxin polluter in technique, is
The high temperature of system is the jinx of stink and germ, can thoroughly decompose hydrogen sulfide, Ammonia substance, and harmful levels of pathogens is all killed,
Particularly to the stabilisation of heavy metal, so gasification technology has an inherent advantage, the high temperature of system is by the heavy metal in waste
It firmly locks in the silicate crystal structure of fluidisation, the crystal exceptional stability, being tested under acid or alkali environment will not overflow, and
Under high temperature oxygen deprivation, organic matter is gasificated into the fuel gas such as carbon monoxide, hydrogen, alkanes.
5) heat and synthesis gas harmless treatment are recycled：The synthesis gas produced after gasification subsequently enters combustion furnace burning, fills
Divide the heat of release synthesis gas, and harmful components in synthesis gas are carried out with high temperature burning handling, without phenol, bioxin in flue gas
Deng, and waste heat recovery and gas cleaning processing are carried out, flue gas up to standard directly can be discharged externally, realize the nothing of fixed waste
Public hazardsization processing.
6) tail gas hazard-free is handled：The thermal energy of step 5) recycling can supply for heating the tail gas after dedusting as hot carrier gas
The low-temperature negative-pressure drying process circulating and recovering of step 2) realizes the repeats itself of system；Tail gas can also be sent into coal-burning boiler
In this combustion furnace, waste heat recovery is realized.In addition, the flue gas energy direct emission after purified treatment, can also extract a part of cigarette
Gas is re-circulated into waste heat recovery unit to recycle thermal energy, is used for organic filtrate by the thermal energy of the cycle system of flue gas
Low-temperature negative-pressure drying and other treatment.
7) wastewater treatment：The sewage collecting generated in gas cleaning treatment process is born to sewage-treatment plant in company with low temperature
The sewage containing particulate matter that pressing dry generates in the process is sent into wastewater treatment equipment together, and the sludge generated after processing can be again
By low-temperature negative-pressure desiccation, and sewage be treated as in wastewater treatment equipment in water, the slag generated available for slag gasification furnace
Chilled water use.
Wherein, in step 2), using low-temperature negative-pressure drying process, low-temperature negative-pressure desiccation is to be done using turbulent flow heating with eddy flow
The dry drying mode being combined, the temperature range of low-temperature negative-pressure desiccation is at 40 DEG C~90 DEG C, preferably 50 DEG C~80 DEG C；Negative pressure
Range is -0.01~-0.08MPa, preferably -0.04~-0.06MPa；The desiccation heat source of low-temperature negative-pressure drying process can be with
Using solar energy, geothermal energy, residual heat of electric power plant energy etc..
In step 4), high-temperature gasification can be passivated processing to harmful ash content, and molten slag type gasification furnace can be used fixed bed and melt
A variety of slag gasification modes such as slag gasification, the gasification of fluid bed slag, the gasification of plasma slag, entrained flow gasification.The present embodiment is excellent
Choosing is using fixed bed slag gasification mode.
In step 6), recycle the hot carrier gas for being used as low-temperature negative-pressure desiccation again using flue gas, make full use of system itself
Waste heat can realize the Equilibrium of energy or even can also realize that energy Equilibrium makes in pure aqueous 98% organic depleted filtrate
With fully meeting the requirement of distributed energy resource system.
Embodiment 2
Polynary waste innocuity disposal system as shown in Figure 3, the difference with implementing system in 1 is to eliminate spray
Drench wash mill, and the offgas outlet 2.3 is connect with combustion furnace 12, the clean gas outlet 6.2 of the purifier 6 with it is described
The low temperature air inlet mouth 5.3 of waste-heat recovery device 5 connects, and high temperature gas outlet 5.4 and the desiccation powder of the waste-heat recovery device 5 fill
1 gas feed 1.2 is put to connect.
Using above-mentioned Fig. 3 systems carry out polynary waste method for innocent treatment, step compared with Example 1, such as Fig. 4
Shown, difference lies in the present embodiment, the desiccation temperature range of low-temperature negative-pressure drying process is between 90 DEG C~500 DEG C, the temperature
It is to improve desiccation temperature to greatest extent in the range of degree, improves drying efficiency, during to large-scale production, can greatlys improve dry
The production efficiency of change.
In this embodiment, the powder waste and tail gas containing organic matter of the negative pressure desiccation production between 90 DEG C~500 DEG C
After separation, powder waste be sent into powder pressing supply unit, powder waste by after pressurized delivered be sent into gasification furnace in, and
Tail gas, although desiccation temperature height improves desiccation rate, will necessarily cause have since desiccation temperature is higher in drying process
Unstable organic matter fractions in machine depleted filtrate decompose and cause harmful constituent, such as NH in organic depleted filtrate3、H2S, alcohols
Substances is waited largely to be precipitated, bring extremely difficult exhaust-gas treatment problem for traditional drying process, the present invention fully combines whole
Tail gas containing harmful substance is passed directly into subsequent combustion furnace system and burns by the advantage of process system, will be harmful
Exhaust gas is converted to innoxious flue gas in combustion furnace by high-temp combustion.
Embodiment 3
The polynary waste innocuity disposal system structure of embodiment 3 is with implementing as 1.
The course of work of embodiment 3 compared with Example 1, as shown in figure 5, can difference lies in the combustion furnace in the present embodiment
Gasification furnace gasification is sent into be traditional coal burning boiler of power station, after organic depleted filtrate desiccation, the synthesis gas generated after gasification is sent into
With coal (powder) combust in coal burning boiler of power station, innoxious flue gas, the thermal energy that desiccation waste is released are generated at high temperature
Can be converted into coal-burning boiler high temperature (540 DEG C or more) high parameter steam carry out steam-electric power, by it is this with it is coal-fired
The mode of boiler manifold type power generation can greatly improve the generating efficiency of organic waste combustion heat energy, the hair of general couple formula
Electrical efficiency can reach more than 40%, and the generating efficiency of castoff burning is only capable of reaching 20%~30% since steam parameter is low
In the range of.
Claims (16)
1. a kind of polynary waste method for innocent treatment, it is characterised in that：Include the following steps：
1) it pre-processes：Organic fluid waste is pre-processed, the filter cake of preliminarily dried is made；
2) desiccation powder：The filter cake is carried out turbulent flow heating with hot carrier gas to do with what cyclone drying was combined under condition of negative pressure
Change is handled, and desiccation temperature is 40~500 DEG C, and the filter cake is carried out along hot carrier gas stream opposite direction using rotary cutter simultaneously
Reverse cutting is hit so that filter cake is by quick desiccation and is broken into powder waste；
3) gas solid separation：Gas solid separation processing is carried out, isolates the powder waste and tail gas；
4) gasification and waste residue harmless treatment：The powder waste and other solid waste are subjected to cooperation-gasified place
Organic matter rapid conversion in powder waste and solid waste is generated synthesis gas, together by reason under high temperature, oxidation environment
When, harmful ash content will melt rapidly together in the slag that gasifies, and realize the harmless treatment of waste residue；
5) heat and synthesis gas harmless treatment are recycled：The synthesis gas is fully burnt recycling heat, is had in simultaneously synthesizing gas
Evil flammability removes, qualified discharge after the purified processing of flue gas generated after syngas combustion；
6) tail gas hazard-free is handled：The tail gas that step 3) generates is dusted after processing and is recycled to be used in step as hot carrier gas
2) in, tail gas zero-emission is realized；Or by the direct burning conversion of tail gas into harmless flue gas；
7) wastewater treatment：The waste water that step 6) is generated carries out purified treatment, and obtained purified water is applied in step 4) to gas
Change slag and carry out Quench processing, while the sludge generated is sent into circular treatment in step 1).
2. polynary waste method for innocent treatment according to claim 1, it is characterised in that：It is organic in the step 1)
Fluid waste is sludge, one or more mixing in kitchen garbage, feces of livestock and poultry, algae and water；The filter cake moisture content
It is 40%~60%.
3. polynary waste method for innocent treatment according to claim 1, it is characterised in that：In the step 2), desiccation
Temperature be 40 DEG C~90 DEG C, desiccation pressure be -0.01~-0.08MPa, drying time≤20s；Powder waste grain after desiccation
Diameter is 0.5~2mm, and moisture content is 5~15%.
4. according to the polynary waste method for innocent treatment of claims 1 or 2 or 3, it is characterised in that：The step 2)
In, desiccation temperature is 50 DEG C~80 DEG C, and desiccation pressure is -0.04~-0.06MPa.
5. according to the polynary waste method for innocent treatment of claims 1 or 2 or 3, it is characterised in that：When the step 2)
When middle desiccation temperature is 90~500 DEG C, by the direct burning conversion of tail gas into harmless flue gas in the step 5).
6. according to the polynary waste method for innocent treatment of claims 1 or 2 or 3, it is characterised in that：The step 2)
In, the heat circulating air recycled by the use of step 6) is as hot carrier gas；In the step 2), using extraneous waste heat, the combustion heat,
As hot carrier gas, the circulating air temperature after heating is 200 DEG C for electrical heating, electromagnetic heating, solar energy or geothermal energy heat cycles gas
~400 DEG C.
7. polynary waste method for innocent treatment according to claim 1, it is characterised in that：In the step 4), first will
Powder waste carries out granulation processing and granular waste is made, then carries out cooperation-gasified processing with other solid waste；Institute
It is one or more in municipal refuse, culled wood, stalk, biological particles to state solid waste.
8. polynary waste method for innocent treatment according to claim 1, it is characterised in that：In the step 5), portion is taken
Purified flue gas is divided to be recycled to be used in step 2) as hot carrier gas.
9. a kind of polynary waste innocuity disposal system, it is characterised in that：It is filled including desiccation fuel pulverizing plant (1), gas solid separation
Put (2), molten slag type gasification installation (3), deslagging device (4), combustion furnace (12), spray washing device (11), waste-heat recovery device
(5), purifier (6) and wastewater treatment equipment (7)；It is provided on the desiccation fuel pulverizing plant (1) for for by pre- place
Manufactured filter cake enters after reason feed inlet (1.1), the gas feed (1.2) entered for heat supply carrier gas and for supplying powder
The mixture outlet (1.3) that body waste and the gaseous mixture of hot carrier gas export, the mixture outlet of the desiccation fuel pulverizing plant (1)
(1.3) it is connect with the mixture import of gas-solid separating device (2) (2.1), is additionally provided with and is used on the gas-solid separating device (2)
Powder outlet (2.2) for the output of powder waste and the offgas outlet (2.3) for being discharged for tail gas；The gas-solid point
Powder outlet (2.2) from device (2) is connect with the first import (3.1) of molten slag type gasification installation (3), the molten slag type gasification
The second import (3.2) for entering for solid waste, the slag-drip opening for being discharged for slag are additionally provided on device (3)
(3.3) and for the exhaust outlet (3.4) for synthesis gas discharge；The slag-drip opening (3.3) of the molten slag type gasification installation (3) with
The slag inlet (4.1) of deslagging device (4) connects, and is provided on the deslagging device (4) for the slag notch for slag charge discharge
(4.2), the water inlet (4.3) for entering for cold water and the water outlet (4.4) for supplying hot water output；
The exhaust outlet (3.4) of the molten slag type gasification installation (3) is connect with the combustion furnace (12), the combustion furnace (12) and institute
State waste-heat recovery device (5) high temperature air inlet (5.1) connection, the low temperature gas outlet (5.2) of the waste-heat recovery device (5) with
Air inlet (6.1) connection of purifier (6), clean gas outlet (6.2) and the external world of the purifier (6) convey piping phase
Even, the wastewater outlet (6.3) of the purifier (6) is connect with the first waste water inlet (7.1) of wastewater treatment equipment (7), institute
The treated water outlet (7.2) for stating wastewater treatment equipment (7) is connect with the water inlet (4.3) of deslagging device (4), the wastewater treatment
The sludge liquid outlet (7.3) of device (7) is connect with the feed inlet (1.1) of desiccation fuel pulverizing plant (1)；
The offgas outlet (2.3) connect with the spray washing device (11), the gas outlet of the spray washing device (11)
It is connect with the low temperature air inlet mouth (5.3) of the waste-heat recovery device (5), the high temperature gas outlet of the waste-heat recovery device (5)
(5.4) it is connect with the gas feed of desiccation fuel pulverizing plant (1) (1.2).
10. polynary waste innocuity disposal system according to claim 9, it is characterised in that：
The dust-laden wastewater outlet (11.3) of the spray washing device (11) and the second waste water inlet of wastewater treatment equipment (7)
(7.4) it connects.
11. polynary waste innocuity disposal system according to claim 9, it is characterised in that：The gas-solid separating device
(2) it is provided on the pipeline between powder outlet (2.2) and the first import (3.1) of molten slag type gasification installation (3) for defeated
The conveying device (13) of powder feeding body waste is provided with for defeated at the second import (3.2) of the molten slag type gasification installation (3)
Send the charging gear (14) of solid waste.
12. according to the polynary waste innocuity disposal system of claim 9 or 10 or 11, it is characterised in that：The gas-solid
It is set on pipeline between the powder outlet (2.2) of separator (2) and the first import (3.1) of molten slag type gasification installation (3)
It is useful for the prilling granulator being granulated to powder waste.
13. according to the polynary waste innocuity disposal system of claim 9 or 10 or 11, it is characterised in that：The desiccation
Fuel pulverizing plant (1) is including housing (1.4) and is arranged on the spiral board (1.5) of housing (1.4) inner cavity lower part, the spiral board
(1.5) be provided with above can high-speed rotating crushing cutter (1.6), the feed inlet (1.1) is positioned at crushing cutter (1.6)
Top, the gas feed (1.2) is positioned at the lower section of spiral board (1.5).
14. the cooperation-gasified system of multi-element material according to claim 13, it is characterised in that：Spiral board (1.5) packet
It includes annular inclined plate (1.51) fixed with housing (1.4) inner wall and is arranged on the solid panel of annular inclined plate (1.51) inner ring
(1.52), described annular inclined plate (1.51) upper edge its be arranged circumferentially several for through-hole (1.53) that heat supply carrier gas sprays.
15. the cooperation-gasified system of multi-element material according to claim 9 or 10 or 11, it is characterised in that：The gas into
The tangent arrangement of bottom outer wall circumference of mouth (1.2) and desiccation fuel pulverizing plant (1), the mixture outlet (1.3) and desiccation powder
The tangent arrangement of top exterior walls circumference of device (1).
16. a kind of polynary waste innocuity disposal system, it is characterised in that：It is filled including desiccation fuel pulverizing plant (1), gas solid separation
Put (2), molten slag type gasification installation (3), deslagging device (4), combustion furnace (12), waste-heat recovery device (5), purifier (6), with
And wastewater treatment equipment (7)；It is provided with to enter for filter cake manufactured after pretreatment on the desiccation fuel pulverizing plant (1)
Feed inlet (1.1), the gas feed (1.2) that enters for heat supply carrier gas and for for powder waste and hot carrier gas
The mixture outlet (1.3) of gaseous mixture output, mixture outlet (1.3) and the gas solid separation of the desiccation fuel pulverizing plant (1) fill
Mixture import (2.1) connection of (2) is put, is additionally provided with to export for powder waste on the gas-solid separating device (2)
Powder outlet (2.2) and for for tail gas discharge offgas outlet (2.3)；The powder of the gas-solid separating device (2) goes out
Mouth (2.2) is connect with the first import (3.1) of molten slag type gasification installation (3), is additionally provided on the molten slag type gasification installation (3)
For for solid waste enter the second import (3.2), for for slag discharge slag-drip opening (3.3) and for for close
The exhaust outlet (3.4) discharged into gas；The slag-drip opening (3.3) of the molten slag type gasification installation (3) and the slag inlet of deslagging device (4)
(4.1) it connects, is provided on the deslagging device (4) for supplying the slag notch (4.2) of slag charge discharge, for what is entered for cold water
Water inlet (4.3) and the water outlet (4.4) for supplying hot water output；
The exhaust outlet (3.4) of the molten slag type gasification installation (3) is connect with the combustion furnace (12), the combustion furnace (12) and institute
State waste-heat recovery device (5) high temperature air inlet (5.1) connection, the low temperature gas outlet (5.2) of the waste-heat recovery device (5) with
Air inlet (6.1) connection of purifier (6), clean gas outlet (6.2) and the external world of the purifier (6) convey piping phase
Even, the wastewater outlet (6.3) of the purifier (6) is connect with the first waste water inlet (7.1) of wastewater treatment equipment (7), institute
The treated water outlet (7.2) for stating wastewater treatment equipment (7) is connect with the water inlet (4.3) of deslagging device (4), the wastewater treatment
The sludge liquid outlet (7.3) of device (7) is connect with the feed inlet (1.1) of desiccation fuel pulverizing plant (1)；
The offgas outlet (2.3) connect with the combustion furnace (12), the clean gas outlet (6.2) of the purifier (6) with
Low temperature air inlet mouth (5.3) connection of the waste-heat recovery device (5), the high temperature gas outlet (5.4) of the waste-heat recovery device (5)
It is connect with the gas feed (1.2) of desiccation fuel pulverizing plant (1).
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| CN110397923A (en) * | 2019-07-26 | 2019-11-01 | 南京绿帝环保能源科技有限公司 | A kind of comprehensive cyclic processing device of waste |
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| CN113441448A (en) * | 2020-03-27 | 2021-09-28 | 核工业理化工程研究院 | Post-treatment device and post-treatment method for residual alkali metal |
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| WO2023109034A1 (en) * | 2021-12-16 | 2023-06-22 | 浙江大学 | Detoxification and recycling method for gasification and high-temperature melting of full-industrial organic hazardous waste |
| CN113441448B (en) * | 2020-03-27 | 2024-04-19 | 核工业理化工程研究院 | Post-treatment device and post-treatment method for residual alkali metal |
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