CN111140850A - Garbage treatment process for oil-containing solid waste low-temperature pyrolysis furnace - Google Patents
Garbage treatment process for oil-containing solid waste low-temperature pyrolysis furnace Download PDFInfo
- Publication number
- CN111140850A CN111140850A CN201911370171.2A CN201911370171A CN111140850A CN 111140850 A CN111140850 A CN 111140850A CN 201911370171 A CN201911370171 A CN 201911370171A CN 111140850 A CN111140850 A CN 111140850A
- Authority
- CN
- China
- Prior art keywords
- garbage
- low
- temperature
- oil
- treatment process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a garbage treatment process for an oil-containing solid waste low-temperature pyrolysis furnace, wherein garbage sequentially undergoes four continuous processes of drying, dry distillation pyrolysis, charcoal combustion and burnout in the furnace, wherein the garbage drying is mainly a drying stage, and water in the garbage is evaporated through temperature, so that the water in the garbage is removed; performing dry distillation pyrolysis, namely pyrolyzing the garbage under the low-temperature and low-oxygen environment, and forming incomplete oxides mainly comprising CO under the low-oxygen environment to finally form carbon granules; burning charcoal, keeping the temperature at 900-1200 ℃ and supplying oxygen for burning, so that the garbage is fully oxidized and decomposed to form ash; burning out, oxidizing the ash. The invention theoretically controls the factors for generating the dioxin, thereby weakening the generation environment of the dioxin, and the garbage self pyrolysis treatment process does not use coal, oil or any auxiliary fuel, and has low operation cost.
Description
Technical Field
The invention relates to the technical field of low-temperature garbage pyrolysis furnaces, in particular to a garbage treatment process for an oil-containing solid waste low-temperature pyrolysis furnace.
Background
The offshore drilling platform can generate a large amount of oil-containing solid waste during drilling operation, is limited by the operating environment of the offshore drilling platform, cannot treat the oil-containing solid waste through complicated treatment equipment as on the land, and has no effective treatment method and treatment equipment suitable for the working condition of the offshore drilling platform in the prior art, so that the potential hazard of environmental pollution exists. Pyrolysis is a conventional method of treating oil-containing solid waste in the prior art.
Disclosure of Invention
The invention aims to provide a garbage treatment process for an oil-containing solid waste low-temperature pyrolysis furnace, which aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a garbage treatment process for an oil-containing solid waste low-temperature pyrolysis furnace comprises the following steps:
step S1: drying the garbage, mainly in a drying stage, evaporating moisture in the garbage through temperature so as to remove the moisture in the garbage;
step S2: performing dry distillation pyrolysis, namely pyrolyzing the garbage under the low-temperature and low-oxygen environment, and forming incomplete oxides mainly comprising CO under the low-oxygen environment to finally form carbon granules;
step S3: burning charcoal, keeping the temperature at 900-1200 ℃ and supplying oxygen for burning, so that the garbage is fully oxidized and decomposed to form ash;
step S4: burning out, oxidizing the ash.
Preferably, step S2 is mainly divided into a dehydration reaction stage and a depolymerization and decomposition reaction stage, wherein the dehydration reaction stage is mainly under a low temperature and low speed environment, the original molecular structure of the material is only subjected to limited heat, the temperature is 200 ℃, and the dehydration reaction stage and the depolymerization and decomposition reaction stage generate incomplete oxides, mainly CO, and simultaneously generate a large amount of carbon particles.
Preferably, the process of step S2 is performed in a sealed environment, which mainly ensures the conversion of the material into incomplete oxides.
Preferably, the combustion time in step S4 is long in step S3.
Preferably, step S3 further comprises burning the flue gas to convert CH4CO conversion to CO2。
Preferably, the oxygen supply combustion in step S3 is implemented by introducing a fixed amount of air, and the volume of the introduced air is determined by the volume of the oxygen, and the volume of the oxygen is proportional to the volume of the garbage.
Preferably, the heat generated by the combustion of the flue gas and the combustion of the carbon particles in the step S3 is provided to the steps S1 and S2 through a heat recovery system.
Preferably, the residue in the combustion chamber is sampled in real time during step S4.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention carries out four processes of drying, dry distillation pyrolysis, charcoal combustion and burnout on the garbage in sequence, so that the garbage mainly forms incomplete oxides under low-temperature and low-oxygen environment in the dry distillation pyrolysis process, mainly CO, the garbage is always in an anoxic state (reducing atmosphere) in the pyrolysis stage, only oxidized atoms are preferentially combined with C, H, Cu, AL, Fe and the like are not easily oxidized, and the formation of dioxin needs heavy metal catalysts such as copper compounds, thereby weakening the generation environment of the dioxin The construction period is short.
Drawings
FIG. 1 is a schematic flow diagram of a process for treating garbage for an oil-containing solid waste low-temperature pyrolysis furnace.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a garbage treatment process for an oil-containing solid waste low-temperature pyrolysis furnace comprises the following steps:
step S1: drying the garbage, mainly in a drying stage, evaporating moisture in the garbage through temperature so as to remove the moisture in the garbage;
step S2: performing dry distillation pyrolysis, namely pyrolyzing the garbage under the low-temperature and low-oxygen environment, and forming incomplete oxides mainly comprising CO under the low-oxygen environment to finally form carbon granules;
step S3: burning charcoal, keeping the temperature at 900-1200 ℃ and supplying oxygen for burning, so that the garbage is fully oxidized and decomposed to form ash;
step S4: burning out, oxidizing the ash.
In the present invention, step S2 is mainly divided into a dehydration stage and a depolymerization and decomposition stage, wherein the dehydration stage is mainly under a low temperature and low speed environment, the original molecular structure of the material is only subjected to limited thermal action, the temperature is 200 ℃, and the dehydration stage and the depolymerization and decomposition stage generate incomplete oxides, mainly CO, and simultaneously generate a large amount of carbon particles.
In the invention, the process of step S2 is completed in a sealed environment, which mainly ensures that the material is converted into incomplete oxide.
In the invention, the burning time in the step S4 is long in the step S3, so that the carbon residue in the ash is completely burnt.
Preferably, step S3 further comprises flue gas combustion,will CH4CO conversion to CO2And incomplete oxides in the flue gas are combusted.
Preferably, the oxygen supply combustion in step S3 is implemented by introducing a fixed amount of air, and the volume of the introduced air is determined by the volume of the oxygen, and the volume of the oxygen is proportional to the volume of the garbage.
Preferably, the heat generated by the combustion of the flue gas and the combustion of the carbon particles in the step S3 is provided to the step S1 and the step S2 through a heat recovery system, so that the heat is recycled, and any external auxiliary fuel can be effectively avoided, thereby greatly reducing the cost of the whole treatment process.
Preferably, in the step S4, the residue in the combustion chamber is sampled in real time to ensure that the carbon particles in the combustion chamber are completely burned into ash.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A garbage treatment process for an oil-containing solid waste low-temperature pyrolysis furnace is characterized by comprising the following steps: the method comprises the following steps:
step S1: drying the garbage, mainly in a drying stage, evaporating moisture in the garbage through temperature so as to remove the moisture in the garbage;
step S2: performing dry distillation pyrolysis, namely pyrolyzing the garbage under the low-temperature and low-oxygen environment, and forming incomplete oxides mainly comprising CO under the low-oxygen environment to finally form carbon granules;
step S3: burning charcoal, keeping the temperature at 900-1200 ℃ and supplying oxygen for burning, so that the garbage is fully oxidized and decomposed to form ash;
step S4: burning out, oxidizing the ash.
2. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: step S2 is mainly divided into a dehydration reaction stage and a depolymerization and decomposition reaction stage, wherein the dehydration reaction stage is mainly under a low-temperature and low-speed environment, the original molecular structure of the material is subjected to only limited thermal action, the temperature is 200 ℃, and the dehydration reaction stage and the depolymerization and decomposition reaction stage generate incomplete oxides, mainly CO, and simultaneously generate a large amount of carbon particles.
3. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: the process of step S2 is completed in a sealed environment, mainly ensuring the conversion of the material into incomplete oxides.
4. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: the time of combustion in step S4 is long in step S3.
5. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: step S3 also includes burning flue gas to burn CH4CO conversion to CO2。
6. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: the oxygen supply combustion in step S3 is implemented by introducing a fixed amount of air, and the volume of the introduced air is determined by the volume of the oxygen, and the volume of the oxygen is proportional to the volume of the garbage.
7. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: the heat generated by the combustion of the flue gas and the combustion of the carbon particles in the step S3 is provided to the steps S1 and S2 through the heat recovery system.
8. The waste treatment process for the oil-containing solid waste low-temperature pyrolysis furnace, according to claim 1, is characterized in that: in step S4, the residue in the combustion furnace is sampled in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370171.2A CN111140850A (en) | 2019-12-26 | 2019-12-26 | Garbage treatment process for oil-containing solid waste low-temperature pyrolysis furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370171.2A CN111140850A (en) | 2019-12-26 | 2019-12-26 | Garbage treatment process for oil-containing solid waste low-temperature pyrolysis furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140850A true CN111140850A (en) | 2020-05-12 |
Family
ID=70520667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911370171.2A Pending CN111140850A (en) | 2019-12-26 | 2019-12-26 | Garbage treatment process for oil-containing solid waste low-temperature pyrolysis furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140850A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531538A (en) * | 2021-06-08 | 2021-10-22 | 湖南省欣洁环保科技有限公司 | Household garbage treatment method and system |
-
2019
- 2019-12-26 CN CN201911370171.2A patent/CN111140850A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531538A (en) * | 2021-06-08 | 2021-10-22 | 湖南省欣洁环保科技有限公司 | Household garbage treatment method and system |
| CN113531538B (en) * | 2021-06-08 | 2024-06-25 | 湖南省欣洁环保科技有限公司 | Household garbage treatment method and treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230031504A1 (en) | Two-stage plasma process for converting waste into fuel gas and apparatus therefor | |
| Glushkov et al. | Municipal solid waste recycling by burning it as part of composite fuel with energy generation | |
| CN101955804A (en) | Solid biomass gasification system and process thereof | |
| JP2009262047A (en) | Method for utilizing waste material containing sludge in coal boiler for power generation | |
| CN211394370U (en) | System for pyrolysis of junked tire of boiler flue gas of thermal power plant | |
| CN111140850A (en) | Garbage treatment process for oil-containing solid waste low-temperature pyrolysis furnace | |
| CN104696967A (en) | Downward smoke discharging type household garbage pyrolysis furnace and pyrolysis method | |
| JP2008174654A (en) | Method and facility for gasifying organic matter | |
| JP4441281B2 (en) | Method and apparatus for producing hydrogen and oxygen from biomass resources | |
| JP2005075925A (en) | Method for thermally cracking and carbonizing organic waste material | |
| CN203256235U (en) | Updraft pyrolysis gasification furnace | |
| CN113321182A (en) | System and method for producing hydrogen by coupling sludge | |
| CN112708428A (en) | System and process for treating organic solid waste | |
| US7063026B1 (en) | Waste carbonizing and energy utilizing system | |
| CN105602585A (en) | Method for gas production from conversion of municipal household garbage treated through low-temperature destructive distillation in tubular furnace | |
| JPH10311515A (en) | Refuse incinerating and melting equipment | |
| CN102950141A (en) | Refuse disposal device and refuse disposal method | |
| CN112050220B (en) | Treatment system and method for purifying stale garbage by adopting plasma technology | |
| CN115322812B (en) | Fixed sludge gasification decoking and ash removal coupled garbage incineration power generation device and method | |
| US20240240093A1 (en) | Two-stage plasma process for converting waste into fuel gas and apparatus therefor | |
| JP3148705B2 (en) | Fly ash treatment method for waste treatment equipment | |
| CN118240578A (en) | Method for generating electricity by coupling waste incineration in biomass activated carbon production | |
| JP2006241206A (en) | Method for producing mixed fuel of organic-waste-derived carbide and coal | |
| CN112094661A (en) | Method and apparatus for treating organic solid waste | |
| CN113074372A (en) | Comprehensive treatment method and process for pyrolysis and gasification of household garbage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |
|
| WD01 | Invention patent application deemed withdrawn after publication |