CN109504403A - A kind of organic solid dangerous waste anaerobic carbonization treatment process - Google Patents
A kind of organic solid dangerous waste anaerobic carbonization treatment process Download PDFInfo
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- CN109504403A CN109504403A CN201811072127.9A CN201811072127A CN109504403A CN 109504403 A CN109504403 A CN 109504403A CN 201811072127 A CN201811072127 A CN 201811072127A CN 109504403 A CN109504403 A CN 109504403A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B1/00—Retorts
- C10B1/10—Rotary retorts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The invention discloses a kind of organic solid dangerous waste anaerobic carbonization treatment process of environment friendly system technical field, and organic solid waste is sent by conveyer belt to hot-air rotary furnace, seal hot-air rotary furnace, oxygen is passed through in hot-air rotary furnace；By the temperature setting in hot-air rotary furnace at 350-450 DEG C, the pressure in hot-air rotary furnace is set lower than normal pressure, organic solid waste thermally equivalent under hot-air rotary furnace drive；The heated generation furnace gas of organic matter and furnace liquid in organic solid waste, are recycled furnace gas and furnace liquid；It is discharged after exhaust gas remaining after recycling is handled by flue path.The present invention is applied to the treatment and comprehensive utilization of Industrial Solid Waste containing organic matter and hazardous waste by low temperature oxygen-free carbonization technique, which, which has, does not need landfill land occupation, and can comprehensively utilize the advantage of recycling carbon black products.
Description
Technical field
The present invention relates to dangerous waste processing technology field more particularly to a kind of organic solid dangerous waste anaerobic carbonization treatment process.
Background technique
Industrial organic solid waste includes ink residue, applies material residue, chemical plant residual, spent resin, oil stained rag, waste oil enamel-cover dress
Bucket etc., the industrial organic solid waste of existing processing are removed generally by organic matter of the hot wind to Industrial Solid Waste surface, but
Because of the special crystal structure of Industrial Solid Waste, even if only making it become more by heating carbonization solid waste crystal rapidly
Small crystal nucleus can not thoroughly remove the organic matter of crystals.
It is to burn to be filled with to bury to the processing method of organic solid waste in existing dangerous waste processing technology field, this method is will be all kinds of
Residue mixing after organic fixed-end forces and after the solidification of the curing agent such as concrete, according to National Hazard waste management and disposition
Relevant laws and regulations and technical requirements are filled.It burns plus burying method not only occupies a large amount of soil, while there is also because of geology
The foeign elements such as disaster cause the risk of secondary environmental hazard.
Summary of the invention
The purpose of the present invention is to solve problems of the prior art, a kind of organic solid dangerous waste anaerobic of proposition
Carbonization treatment technique overcomes many defects of tradition disposition burning and burying mode, the secondary pollution that solves that treated, reaches
The mesh of comprehensive utilization.
The present invention adopts the following technical scheme:
A kind of organic solid dangerous waste anaerobic carbonization treatment process, specifically includes the following steps:
S1 send organic solid waste to hot-air rotary furnace by conveyer belt, hot-air rotary furnace is sealed, in hot-air rotary furnace
It is passed through oxygen；
Pressure in hot-air rotary furnace is set lower than normal pressure by the temperature setting in hot-air rotary furnace at 350-450 DEG C by S2,
Organic solid waste thermally equivalent under hot-air rotary furnace drive；
S3, organic matter in organic solid waste is heated to generate furnace gas and furnace liquid, is recycled to furnace gas and furnace liquid；
S4 is discharged after handling exhaust gas remaining after recycling by flue path.
Preferably, in S1, the amount that organic solid waste is added in hot-air rotary furnace is controlled in hot-air rotary furnace
2/3rds or less total measurement (volume)s.
Preferably, in S2, the temperature in hot-air rotary furnace is controlled at 400 DEG C.
Preferably, in S2, the hot wind generated using combustion of natural gas is indirectly to organic solid in hot-air rotary furnace
Body waste is heated.
Preferably, in S2, hot-air rotary furnace positive and negative rotation is controlled by forward-reverse switch and makes organic solid waste
Thermally equivalent.
Preferably, S3 is specifically included:
S31 comes out the Oil-gas Separation in furnace gas；
S32 separates the fuel gas in remaining furnace gas.
Preferably, in S31, furnace gas separates a part of heavy oil point by knockout tower, then passes through the latent spray condensation of water
A part of light oil point is separated by oil water separator after system is cooling.
Preferably, in S32, remaining furnace gas returns to burner hearth by level-one water seal and second level water seal and carries out burning storage
Energy.
Preferably, in S3, after furnace liquid is carried out emulsification treatment, hearth combustion is entered by high-pressure fog.
Preferably, in S4, exhaust gas carries out cooling processing by condenser, is then dusted by deduster
Reason enters back into atomization desulfurization dust remover, caustic neutralizer column and steam-water separator and carries out spray desulfurization and steam-water separation, finally passes through UV
It is discharged after Industrial cleaning facility device, activated carbon adsorption device processing.
Compared with prior art, the beneficial effects of the present invention are as follows:
A kind of organic solid dangerous waste anaerobic carbonization treatment process, can be organic to industry by low temperature oxygen-free carbide furnace and carbonization technique
Organic matter in dangerous waste is thoroughly carbonized, and the organic matter in nucleus is thoroughly removed, and is really achieved the harmless of the organic dangerous waste of industry
Change processing overcomes many defects of tradition disposition burning and burying mode, the secondary pollution that solves that treated, reaches comprehensive benefit
Purpose has good popularization and application space.
The present invention is comprehensive by the processing that low temperature oxygen-free carbonization technique is applied to Industrial Solid Waste containing organic matter and hazardous waste
It utilizes, which, which has, does not need landfill land occupation, and can comprehensively utilize the advantage of recycling carbon black products.It is real
Recycling, harmless treatment and the comprehensive utilization of Industrial Solid Waste are showed.Entire technical process under the conditions of closing, tiny structure into
Row, does not generate the toxic gases such as dioxin in process of production.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
The invention proposes a kind of organic solid dangerous waste anaerobic carbonization treatment process, specifically includes the following steps:
S1 send organic solid waste to hot-air rotary furnace by conveyer belt, hot-air rotary furnace is sealed, in hot-air rotary furnace
It is passed through oxygen；
In S1, the amount that organic solid waste is added in hot-air rotary furnace controls 2/3rds of the total measurement (volume) in hot-air rotary furnace
Below.
Pressure in hot-air rotary furnace is set lower than often by S2 by the temperature setting in hot-air rotary furnace at 350-450 DEG C
Pressure, organic solid waste thermally equivalent under hot-air rotary furnace drive；
In S2, the temperature in hot-air rotary furnace is controlled at 400 DEG C, and the hot wind generated using combustion of natural gas indirectly revolves hot wind
Organic solid waste in converter is heated, and is controlled hot-air rotary furnace positive and negative rotation by forward-reverse switch and is made organic solid useless
Object thermally equivalent.
S3, organic matter in organic solid waste is heated to generate furnace gas and furnace liquid, is recycled to furnace gas and furnace liquid；
S31 comes out the Oil-gas Separation in furnace gas；
In S31, furnace gas separates a part of heavy oil point by knockout tower, then by the latent spray condenser system of water it is cooling after by grease
Separator separates a part of light oil point.
S32 separates the fuel gas in remaining furnace gas.
In S32, remaining furnace gas returns to burner hearth by level-one water seal and second level water seal and carries out burning accumulation of energy；
S33 enters hearth combustion by high-pressure fog after furnace liquid is carried out emulsification treatment.
S4 is discharged after handling exhaust gas remaining after recycling by flue path.
In S4, exhaust gas carries out cooling processing by condenser, is then dusted processing by deduster, enters back into atomization
Desulfurizing dust-collector, caustic neutralizer column and steam-water separator carry out spray desulfurization and steam-water separation, finally pass through UV Industrial cleaning facility device, work
Property charcoal adsorbent equipment processing after discharge.
Its working principle of low temperature oxygen-free retort: according to radical reaction principle, all hydro carbons can be carbonized and is attributed to
Chain initiation reaction, chain propagation reaction, the several courses of chain termination reaction.Chain initiation reaction is the incipient stage of carburizing reagent, in heat
Under the action of, a molecular breakdown generates a pair of of free radical.Cleavage reaction activation energy is high, therefore it is required that carrying out at high temperature.Chain
Reaction of propagation is the reaction that a kind of radical conversion is another free radical, mainly includes hydrogen migration (taking hydrogen by force) reaction, free radical
Decomposition reaction, free radical isomerization and Radical Addition.Chain termination reaction is that two free radicals are combined into molecule or pass through
Disproportionated reaction forms the process of two stable molecules.To which the destruction of industrial organic wastes internal structure be reconfigured.
System process process: raw material is sent through conveyer belt is delivered to the main furnace of rotation, and rotating main furnace can be positive and negative by control room
Turn switch control steering, adjusts material distribution of the raw material in main furnace, material overall control is in total measurement (volume) 2/3rds hereinafter, closing
Close feeding seal door.
Main furnace rotation is heated, generates steam and oil gas through main furnace gas-guide tube and is flexible coupling into knockout tower, oil gas is through excessive
Some heavy oil from tower divides oil product to separate, and enters Residual Oil Tank through overflow passage；A part of light oil branch further into
Enter the latent spray condenser system of water to be cooled down again, enters oil water separator through overflow pipe；Carbide furnace residue combustible gas, through master
Valve enters firsts and seconds water seal return burner hearth and carries out burning accumulation of energy.
The oily waste water of output can again go into emulsifying systems and be emulsified after carbonization, enter eventually by high-pressure fog
Hearth combustion solves pollution problem.The flue gas generated that is carbonized passes through pipe bundle condenser cooling water circulation through flue path, into rotation
Wind deduster dedusting is again introduced into firsts and seconds strong atomizing desulfurizing dust-collector, closes tower in alkali and steam-water separator is sprayed
Desulfurization and steam-water separation are drenched, UV Industrial cleaning facility device, activated carbon adsorption device qualified discharge are finally entered.
The recirculated water of coil pipe spray condenser is supplied by water tank；Water seal, circulating pump water tank and gas wash tower water are by pump house
Supply can manual control supplement when system is run since water used is few.The principle of cycling use of water is adhered in equipment plumbing,
Guarantee that self-circulation water consumption, a small amount of water that evaporates are supplied by system water.
Using natural gas indirect heating manner, heat source is not contacted with material, can promote having in solid waste containing organic matter
Machine object macromolecular chain is broken and completely removes output carbon slag and carbon black products, and carbon black can reproduce active carbon, and carbon slag can be used as
Oxygen-enriched side-blowing melting is used with auxiliary material, no waste sludge discharge.
The fuel gas fully recovering generated in the process, as fuel combustion, is realized from heat supply to burner hearth, has saved the energy
Consumption；The flue gas that carbide furnace comes out is through closing tower, steam-water separation in subcooler, cyclone dust collectors, second level pressure desulfurizing tower, alkali
Device, UV clarifier, activated carbon adsorption treatment process can reach 2010 effluent standard of European Union.
The cooling water that technical process uses can be recycled, non-wastewater discharge.Production process does not need addition chemical drugs
Agent does not generate chemical reaction, realizes recycling, harmless treatment and the comprehensive utilization of Industrial Solid Waste.Entire technical process is not
The toxic gases such as dioxin are generated, without landfill, traditional burning and burying method will be replaced.It can also be produced for national chemical company
The big problem of the raw storage of waste containing organic matter provides solution.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of organic solid waste low temperature oxygen-free carbonization treatment technique, which comprises the following steps:
S1 send organic solid waste to hot-air rotary furnace by conveyer belt, hot-air rotary furnace is sealed, in hot-air rotary furnace
It is passed through oxygen；
Pressure in hot-air rotary furnace is set lower than normal pressure by the temperature setting in hot-air rotary furnace at 350-450 DEG C by S2,
Organic solid waste thermally equivalent under hot-air rotary furnace drive；
S3, organic matter in organic solid waste is heated to generate furnace gas and furnace liquid, is recycled to furnace gas and furnace liquid；
S4 is discharged after handling exhaust gas remaining after recycling by flue path.
2. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 1, which is characterized in that in S1,
The amount that organic solid waste is added in hot-air rotary furnace controls 2/3rds or less of the total measurement (volume) in hot-air rotary furnace.
3. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 1, which is characterized in that in S2,
Temperature in hot-air rotary furnace is controlled at 400 DEG C.
4. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 1, which is characterized in that in S2,
The organic solid waste in hot-air rotary furnace is heated indirectly using the hot wind that combustion of natural gas generates.
5. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 4, which is characterized in that in S2,
Hot-air rotary furnace positive and negative rotation, which is controlled, by forward-reverse switch makes organic solid waste thermally equivalent.
6. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 1-5, which is characterized in that
S3 is specifically included:
S31 comes out the Oil-gas Separation in furnace gas；
S32 separates the fuel gas in remaining furnace gas.
7. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 6, which is characterized in that in S31,
Furnace gas separates a part of heavy oil by knockout tower and divides, then by separating one by oil water separator after the latent spray condenser system cooling of water
Part light oil point.
8. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 7, which is characterized in that in S32,
Remaining furnace gas returns to burner hearth by level-one water seal and second level water seal and carries out burning accumulation of energy.
9. according to claim 8 kind of organic solid dangerous waste anaerobic carbonization treatment process, which is characterized in that, will in S3
After furnace liquid carries out emulsification treatment, hearth combustion is entered by high-pressure fog.
10. a kind of organic solid dangerous waste anaerobic carbonization treatment process according to claim 9, which is characterized in that in S4,
Exhaust gas carries out cooling processing by condenser, is then dusted processing by deduster, enters back into atomization desulfurization dust remover, in alkali
Carry out spray desulfurization and steam-water separation with tower and steam-water separator, finally by UV Industrial cleaning facility device, activated carbon adsorption device at
It is discharged after reason.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811072127.9A CN109504403A (en) | 2018-09-14 | 2018-09-14 | A kind of organic solid dangerous waste anaerobic carbonization treatment process |
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| CN201811072127.9A CN109504403A (en) | 2018-09-14 | 2018-09-14 | A kind of organic solid dangerous waste anaerobic carbonization treatment process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716479A (en) * | 2019-11-13 | 2020-01-21 | 河北星鼎机械设备制造有限公司 | Control method of garbage anaerobic carbonization system |
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| CN110716479A (en) * | 2019-11-13 | 2020-01-21 | 河北星鼎机械设备制造有限公司 | Control method of garbage anaerobic carbonization system |
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Application publication date: 20190322 |