CN110898597A - Oxygen-control low-temperature carbonization pyrolysis garbage treatment method - Google Patents
Oxygen-control low-temperature carbonization pyrolysis garbage treatment method Download PDFInfo
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- CN110898597A CN110898597A CN201911296944.7A CN201911296944A CN110898597A CN 110898597 A CN110898597 A CN 110898597A CN 201911296944 A CN201911296944 A CN 201911296944A CN 110898597 A CN110898597 A CN 110898597A
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- flue gas
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- garbage
- temperature carbonization
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- 238000011282 treatment Methods 0.000 title claims abstract description 66
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003763 carbonization Methods 0.000 title claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 37
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 54
- 239000003546 flue gas Substances 0.000 claims description 54
- 239000000203 mixture Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- 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
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
-
- 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
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses an oxygen-control low-temperature carbonization pyrolysis garbage treatment method, which effectively solves the problems of damage to incineration equipment caused by direct incineration of garbage and difficulty in controlling a combustion process due to complex garbage components, and can reuse moisture obtained by sewage purification treatment and smoke tar and particulate matters obtained by smoke purification treatment in the oxygen-control low-temperature carbonization pyrolysis garbage treatment process, thereby saving resources.
Description
Technical Field
The invention relates to a garbage treatment method, in particular to an oxygen-control low-temperature carbonization pyrolysis garbage treatment method.
Background
The waste incineration is a main mode of waste treatment, and the direct incineration of the waste has many problems, such as secondary pollution, damage of incineration equipment, difficulty in controlling the combustion process due to complex waste components, and the like.
In order to overcome the defects of the waste incineration technology and solve the problems of damage of incineration equipment caused by direct incineration of the waste and difficulty in controlling the combustion process due to complex waste components, the invention provides an oxygen-control low-temperature carbonization pyrolysis waste treatment method.
Disclosure of Invention
The invention aims to provide an oxygen-control low-temperature carbonization pyrolysis garbage treatment method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an oxygen-control low-temperature carbonization pyrolysis garbage treatment method comprises the following steps:
1) manually and simply classifying the garbage, and manually or mechanically feeding the garbage;
2) carrying out oxygen-control low-temperature carbonization pyrolysis treatment on the garbage to obtain a gray mixture A and flue gas B, and discharging the gray mixture A;
3) performing primary flue gas purification pretreatment on the flue gas B;
4) leading the flue gas B subjected to primary flue gas purification pretreatment to a spraying guide device and carrying out secondary flue gas purification treatment;
5) treating the smoke dust sewage subjected to the secondary flue gas purification treatment, obtaining moisture, smoke tar and particles after the sewage purification treatment, and obtaining the smoke tar, the particles and pure flue gas after the flue gas purification treatment;
6) the pure flue gas is treated by a catalytic combustion device, and then is subjected to cooling treatment, the flue gas subjected to cooling treatment is adsorbed by active carbon, and the flue gas subjected to adsorption treatment is subjected to air draft and mixing treatment, and finally is discharged into the air.
As a still further scheme of the invention: in the step 2), the gray mixture A is used for planting, brick making, paving and other treatments.
As a still further scheme of the invention: and 5), recovering the water obtained through sewage purification treatment to a spraying and guiding device for recycling.
As a still further scheme of the invention: in the step 5), the tobacco tar and the particles are recovered and the garbage is carbonized and pyrolyzed again by controlling oxygen at low temperature.
As a still further scheme of the invention: in the step 3), the primary flue gas purification pretreatment is wet electrostatic dust removal treatment.
As a still further scheme of the invention: in the step 4), the secondary flue gas purification treatment is wet electrostatic dust removal treatment.
As a still further scheme of the invention: in the step 6), the adsorption device is an activated carbon adsorption device.
Compared with the prior art, the invention has the beneficial effects that: the method for treating the oxygen-controlled low-temperature carbonized and pyrolyzed garbage effectively solves the problems of damage to incineration equipment caused by direct incineration of the garbage and difficulty in controlling the combustion process due to complex garbage components, and can reuse moisture obtained by purifying sewage and smoke tar and particulate matters obtained by purifying smoke in the process of treating the oxygen-controlled low-temperature carbonized and pyrolyzed garbage, so that resources are saved.
Drawings
FIG. 1 is a flow chart of a process for treating pyrolysis garbage by oxygen-controlled low-temperature carbonization.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Referring to fig. 1, a method for treating pyrolysis garbage by oxygen-controlled low-temperature carbonization comprises the following steps:
1) manually and simply classifying the garbage, and manually or mechanically feeding the garbage;
2) carrying out oxygen-control low-temperature carbonization pyrolysis treatment on the garbage to obtain a gray mixture A and flue gas B, and discharging the gray mixture A;
3) performing primary flue gas purification pretreatment on the flue gas B;
4) leading the flue gas B subjected to primary flue gas purification pretreatment to a spraying guide device and carrying out secondary flue gas purification treatment;
5) treating the smoke dust sewage subjected to the secondary flue gas purification treatment, obtaining moisture, smoke tar and particles after the sewage purification treatment, and obtaining the smoke tar, the particles and pure flue gas after the flue gas purification treatment;
6) the pure flue gas is treated by a catalytic combustion device, and then is subjected to cooling treatment, the flue gas subjected to cooling treatment is adsorbed by active carbon, and the flue gas subjected to adsorption treatment is subjected to air draft and mixing treatment, and finally is discharged into the air.
In the step 2), the gray mixture A is used for planting, brick making, paving and other treatments.
And 5), recovering the water obtained through sewage purification treatment to a spraying and guiding device for recycling.
In the step 5), the tobacco tar and the particles are recovered and the garbage is carbonized and pyrolyzed again by controlling oxygen at low temperature.
In the step 3), the primary flue gas purification pretreatment is wet electrostatic dust removal treatment.
In the step 4), the secondary flue gas purification treatment is wet electrostatic dust removal treatment.
In the step 6), the adsorption device is an activated carbon adsorption device.
The working principle of the invention is as follows: manually and simply classifying the garbage, and manually or mechanically feeding the garbage; carrying out oxygen-control low-temperature carbonization pyrolysis treatment on the garbage to obtain a gray mixture A and flue gas B, and discharging the gray mixture A; performing primary flue gas purification pretreatment on the flue gas B; leading the flue gas B subjected to primary flue gas purification pretreatment to a spraying guide device and carrying out secondary flue gas purification treatment; treating the smoke dust sewage subjected to the secondary flue gas purification treatment, obtaining moisture, smoke tar and particles after the sewage purification treatment, and obtaining the smoke tar, the particles and pure flue gas after the flue gas purification treatment; the pure flue gas is treated by a catalytic combustion device, and then is subjected to cooling treatment, the flue gas subjected to cooling treatment is adsorbed by active carbon, and the flue gas subjected to adsorption treatment is subjected to air draft and mixing treatment, and finally is discharged into the air. The problem of burning equipment damage caused by direct burning of garbage and the problem that the burning process is difficult to control due to complex garbage components are effectively solved, and water obtained through sewage purification treatment in the oxygen-control low-temperature carbonization and pyrolysis garbage treatment process and smoke tar and particulate matters obtained through smoke purification treatment can be reused, so that resources are saved.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. An oxygen-control low-temperature carbonization pyrolysis garbage treatment method is characterized by comprising the following steps:
1) manually and simply classifying the garbage, and manually or mechanically feeding the garbage;
2) carrying out oxygen-control low-temperature carbonization pyrolysis treatment on the garbage to obtain a gray mixture A and flue gas B, and discharging the gray mixture A;
3) performing primary flue gas purification pretreatment on the flue gas B;
4) leading the flue gas B subjected to primary flue gas purification pretreatment to a spraying guide device and carrying out secondary flue gas purification treatment;
5) treating the smoke dust sewage subjected to the secondary flue gas purification treatment, obtaining moisture, smoke tar and particles after the sewage purification treatment, and obtaining the smoke tar, the particles and pure flue gas after the flue gas purification treatment;
6) the pure flue gas is treated by a catalytic combustion device, and then is subjected to cooling treatment, the flue gas subjected to cooling treatment is adsorbed by active carbon, and the flue gas subjected to adsorption treatment is subjected to air draft and mixing treatment, and finally is discharged into the air.
2. The method for treating the oxygen-control low-temperature carbonization pyrolysis garbage according to the claim 1, wherein in the step 2), the gray mixture A is used for planting, brick making, paving and the like.
3. The method for treating the oxygen-controlling low-temperature carbonization pyrolysis garbage according to claim 1, wherein in the step 5), the water obtained through the sewage purification treatment is recycled to the spray guide device for reuse.
4. The method for treating the oxygen-controlling low-temperature carbonized pyrolysis garbage according to claim 1, wherein in the step 5), the smoke tar and the particulate matters are recovered and the oxygen-controlling low-temperature carbonized pyrolysis garbage is treated again.
5. The method for treating the oxygen-controlling low-temperature carbonization pyrolysis garbage according to claim 1, wherein in the step 3), the primary flue gas purification pretreatment is a wet electrostatic dust removal treatment.
6. The method for treating the oxygen-controlling low-temperature carbonization pyrolysis garbage according to claim 1, wherein in the step 4), the secondary flue gas purification treatment is wet electrostatic dust removal treatment.
7. The method for treating the oxygen-controlling low-temperature carbonization pyrolysis garbage according to claim 1, wherein in the step 6), the adsorption device is an activated carbon adsorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296944.7A CN110898597A (en) | 2019-12-17 | 2019-12-17 | Oxygen-control low-temperature carbonization pyrolysis garbage treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911296944.7A CN110898597A (en) | 2019-12-17 | 2019-12-17 | Oxygen-control low-temperature carbonization pyrolysis garbage treatment method |
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| CN201911296944.7A Pending CN110898597A (en) | 2019-12-17 | 2019-12-17 | Oxygen-control low-temperature carbonization pyrolysis garbage treatment method |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942630A (en) * | 1995-08-02 | 1997-02-14 | Daiichi Eng:Kk | Incinerator |
| JPH1054543A (en) * | 1996-08-08 | 1998-02-24 | Mitsui Eng & Shipbuild Co Ltd | Exhaust gas treatment method and waste treatment device |
| JPH10103640A (en) * | 1996-09-30 | 1998-04-21 | Chikyu Kankyo Sangyo Gijutsu Kenkyu Kiko | Waste pyrolysis equipment |
| CN202754969U (en) * | 2012-08-03 | 2013-02-27 | 襄阳品冠恒大环境工程有限公司 | Garbage pyrolysis coal gas desulfuration dedusting tar-removing dioxin-removing deodorization tower |
| CN104531183A (en) * | 2015-01-26 | 2015-04-22 | 北京元泰达环保建材科技有限责任公司 | System for transforming waste combustible material recovered from building rubbish into clean gas |
| CN105485690A (en) * | 2015-12-30 | 2016-04-13 | 刘清 | Combustible rubbish treatment device |
| CN205443212U (en) * | 2016-02-29 | 2016-08-10 | 李海平 | Garbage pyrolytic gasification flue gas processing system |
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2019
- 2019-12-17 CN CN201911296944.7A patent/CN110898597A/en active Pending
Patent Citations (14)
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