CN112984513A - Landfill oversize material combustion treatment method for promoting pollutant to reach standard - Google Patents
Landfill oversize material combustion treatment method for promoting pollutant to reach standard Download PDFInfo
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- CN112984513A CN112984513A CN202110371813.1A CN202110371813A CN112984513A CN 112984513 A CN112984513 A CN 112984513A CN 202110371813 A CN202110371813 A CN 202110371813A CN 112984513 A CN112984513 A CN 112984513A
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- 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
- F23G5/006—General arrangement of incineration plant, e.g. flow sheets
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- 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
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- 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
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
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- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
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- 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
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a landfill oversize product combustion treatment method for promoting pollutant emission meeting the standard, belonging to the technical field of pollutant emission meeting the standard, comprising the following steps: s1, dividing the refuse landfill into areas with the size of 1000-10000 square meters and removing the refuse piece by piece; s2, digging out the garbage and primarily breaking bags at the same time by using a rotary excavator provided with a digging shovel and a bag breaking knife, and conveying the garbage to a loading and unloading vehicle to be conveyed to a belt conveyor; according to the garbage carbonization and combustion treatment process, the mixed combustion amount of each time does not exceed 30% of the total amount of the burned garbage, and the garbage is dried and carbonized by utilizing the hot ascending air current generated by burning the garbage, so that the garbage combustion characteristic is improved, and the garbage is more fully combusted; by adding the secondary combustion process of the flue gas, the combustible gas which is not fully combusted in the flue gas is further combusted, so that the content of pollutants in the flue gas is greatly reduced, and the invention can clean and reuse the original refuse landfill.
Description
Technical Field
The invention relates to the technical field of up-to-standard pollutant emission, in particular to a landfill oversize product combustion treatment method for promoting up-to-standard pollutant emission.
Background
A leachate treatment system in the construction of a domestic garbage landfill is the key for determining the technical success of the garbage landfill, and the leachate treatment system is directly related to the pollution degree of surface water nearby, and has two modes: dumping-digging an open pit on the ground, burying the garbage in the pit, and clustering various animals (rats and birds) around the pit. Landfill — well-designed facilities are built underground or on the ground to isolate the waste from the surrounding environment (groundwater, air and rain). This isolation is achieved by the bottom lining and daily soil coverage. Sanitary landfill-municipal solid waste landfill with a clay liner separating the waste from the environment-synthetic (plastic) liners separating the waste from the environment. The purpose of landfill is to bury the landfill so that it is isolated from ground water, remains dry and is not in contact with air. Under such conditions, the waste is not largely decomposed. Landfills are distinguished from compost heaps, the latter having the purpose of rapidly breaking down buried waste;
along with the rapid development of the socioeconomic rapid progress of China and the rapid improvement of the living standard of people, the garbage generated in the urban production and living process is rapidly increased, and the domestic garbage occupies land, pollutes the environment and has more obvious influence on the health of people. At present, domestic garbage is generally subjected to incineration treatment. The pollutants generated in the process of burning the household garbage mainly comprise four types: particulate matter, acid gas, heavy metal and organic pollutant, the tail gas that the waste incineration discharged has caused certain influence to the surrounding environment to unfavorable to the human body, for this reason, we propose one kind and promote the landfill oversize thing burning processing method that pollutant discharge up to standard.
Disclosure of Invention
The invention aims to provide a landfill oversize material combustion treatment method for promoting pollutant emission reaching standards, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a landfill oversize combustion treatment method for promoting pollutant emission reaching standards comprises the following steps:
s1, dividing the refuse landfill into areas with the size of 1000-10000 square meters and removing the refuse piece by piece;
s2, digging out the garbage and primarily breaking bags at the same time by using a rotary excavator provided with a digging shovel and a bag breaking knife, and conveying the garbage to a loading and unloading vehicle to be conveyed to a belt conveyor;
s3, conveying the garbage into a bag breaking machine by a belt conveyor to fully break and disperse the garbage into large object bags, entering a large object drum type screening device, screening fine soil garbage by using a primary drum screen and a disc type sorting machine, screening aggregate garbage by using a wind power sorting machine (13), screening and removing the object garbage by using a secondary drum screen, and packaging combustible objects;
s4, delivering the packaged combustible garbage (at most 30% of the total amount of the co-combustion incineration garbage) to the inside of an incinerator, wherein the inside of the incinerator is sequentially provided with a drying chamber, a carbonization chamber and a combustion chamber from top to bottom, and the garbage is uniformly distributed on a drying grate of the drying chamber through a feeding hole formed in the top of the incinerator;
s5, dehydrating and drying the garbage on the drying grate through the ascending hot air flow generated when the garbage is incinerated by the combustion chamber and the heat radiation of the hearth, so as to reduce the water content of the garbage and improve the heat value of the garbage;
s6, opening the drying grate to drop the dewatered and dried garbage onto the carbonization grate of the carbonization chamber, and performing high-temperature oxygen-deficient carbonization pyrolysis by using the flame temperature and high-temperature flue gas generated when the garbage is incinerated in the combustion chamber, thereby further improving the heat value of the garbage, improving the combustion characteristic of the garbage and generating combustible gas;
s7, opening the carbonization fire grate to enable carbonized garbage to fall onto a combustion fire grate of the combustion chamber and burn, wherein smoke generated when garbage is incinerated in the combustion chamber enters the burnout chamber to be combusted secondarily;
s8, carrying out primary filtering and purifying treatment on the high-temperature waste gas generated by secondary combustion in the step S7 through a primary filter, and then carrying out heat exchange on the high-temperature gas generated by burning the garbage and normal-temperature gas through an air-cooled heat exchanger on the treated waste gas;
s9, performing acid-base neutralization treatment and wet dust removal treatment on the waste gas treated in the step S8 through a spray tower, and drying the treated waste gas through a demister;
and S10, filtering and purifying the waste gas treated in the step S9 by an activated carbon filter, and finally filtering and purifying the treated waste gas by a high-efficiency air filter.
Preferably, according to the step S3, the garbage with the diameter larger than 60mm is sent to a washing sorting pond, plastics and wood are sorted by utilizing the suspension property of water and sent to an automatic sorting machine, the automatic sorting machine directs a mechanical arm to sort the plastics and the wood into various containers through an image analysis system, and the recyclable plastics are sent to a plastic factory for granulation and utilization; conveying the miscellaneous plastics which are difficult to recover to a plastic pyrolysis distillation system; and (4) separating inflammable matters such as wood and the like and sending the inflammable matters into an incineration steam-making system.
Preferably, the garbage with the diameter smaller than 60mm is subjected to magnetic separation and iron recovery by a magnetic separator, the rest garbage is conveyed to a small-article drum-type screening machine, the garbage with the diameter smaller than 20mm enters the magnetic separator, and the garbage with the diameter smaller than 20mm enters a winnowing machine after iron recovery again.
Preferably, the plastics entering the plastics pyrolysis fractionation system enter a plastics pyrolysis furnace for pyrolysis, and then enter a desulfurization and deoxidation device and a distillation device to produce gasoline or diesel.
Preferably, the incinerator is communicated with the primary filter and the air-cooled heat exchanger through a pipeline, the air-cooled heat exchanger is communicated with the air-cooled heat exchanger and the spray tower through a pipeline, the spray tower is communicated with the spray tower and the demister through a pipeline, the demister is communicated with the demister and the efficient air filter through a pipeline, and the filter is communicated with the efficient air filter and the activated carbon filter through a pipeline.
Preferably, the waste gas generated after the secondary combustion is introduced into the primary filter through a powerful fan.
Preferably, the time and temperature for drying and carbonizing the garbage are controlled by the self-control program according to the steps S4 and S6.
Preferably, according to step S5, the water removed from the garbage in the drying chamber flows upward in the form of water vapor, and is collected by a collection pipeline connected to the top of the drying chamber to a condensation separation device for gas-liquid separation, the separated odor is sent to the combustion chamber for combustion, and the separated waste liquid is sent to a sewage purification device for treatment.
Preferably, according to step S7, the garbage is provided with air flowing upward through a first air supply pipe arranged at the lower side of the combustion grate, and secondary air is supplied into the high-temperature combustion zone through a second air supply pipe arranged at the upper side of the combustion grate, so as to sufficiently stir and mix the air and the air, thereby enhancing turbulence.
Compared with the prior art, the invention has the beneficial effects that:
according to the garbage carbonization and combustion treatment process, the mixed combustion amount of each time does not exceed 30% of the total amount of the burned garbage, and the garbage is dried and carbonized by utilizing the hot ascending air current generated by burning the garbage, so that the garbage combustion characteristic is improved, and the garbage is more fully combusted; by adding the secondary combustion process of the flue gas, combustible gas which is not fully combusted in the flue gas is further combusted, so that the content of pollutants in the flue gas is greatly reduced, the original refuse landfill can be cleaned and reused, the contradiction between the old refuse landfill and urban construction caused by rapid urban expansion is solved, and a large amount of valuable land is saved;
secondly, the invention carries out primary filtering and purifying treatment through a primary filter to intercept oily particles and oil liquid to enter an air-cooled heat exchanger, carries out heat exchange between high-temperature gas generated by burning garbage and normal-temperature gas through the air-cooled heat exchanger to enable the burning waste gas to enter next-stage treatment equipment after being cooled, carries out acid-base neutralization treatment and wet dust removal treatment through a spray tower to remove part of organic waste gas dissolved in water, carries out drying treatment through a demister to remove water vapor drying gas in the waste gas, carries out filtering and purifying treatment through a high-efficiency air filter to collect particle dust and various suspended matters below 0.5 mu m, has the purifying efficiency of more than 90 percent, adsorbs CO, organic matter dioxin and the like in the waste gas after the filtering and purifying treatment through an active carbon filter to be attached to the pore structure of the active carbon so as to purify the gas, and discharges the purified gas to the atmosphere through an exhaust funnel, the effect of standard emission of the pollutant is met.
Drawings
FIG. 1 is a schematic flow chart of the treatment method of the present invention.
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 landfill oversize combustion treatment method for promoting pollutant emission reaching standards comprises the following steps:
s1, dividing the refuse landfill into areas with the size of 1000-10000 square meters and removing the refuse piece by piece;
s2, digging out the garbage and primarily breaking bags at the same time by using a rotary excavator provided with a digging shovel and a bag breaking knife, and conveying the garbage to a loading and unloading vehicle to be conveyed to a belt conveyor;
s3, conveying the garbage into a bag breaking machine by a belt conveyor to fully break and disperse the garbage into large-object drum-type screening devices, screening fine soil garbage by using a primary drum screen and a disc type sorting machine, screening aggregate garbage by using a wind power sorting machine, screening and removing the material garbage by using a secondary drum screen, and packaging combustible materials;
s4, delivering the packaged combustible garbage (at most 30% of the total amount of the co-combustion incineration garbage) to the inside of an incinerator, wherein the inside of the incinerator is sequentially provided with a drying chamber, a carbonization chamber and a combustion chamber from top to bottom, and the garbage is uniformly distributed on a drying grate of the drying chamber through a feeding hole formed in the top of the incinerator;
s5, dehydrating and drying the garbage on the drying grate through the ascending hot air flow generated when the garbage is incinerated by the combustion chamber and the heat radiation of the hearth, so as to reduce the water content of the garbage and improve the heat value of the garbage;
s6, opening the drying grate to drop the dewatered and dried garbage onto the carbonization grate of the carbonization chamber, and performing high-temperature oxygen-deficient carbonization pyrolysis by using the flame temperature and high-temperature flue gas generated when the garbage is incinerated in the combustion chamber, thereby further improving the heat value of the garbage, improving the combustion characteristic of the garbage and generating combustible gas;
s7, opening the carbonization fire grate to enable carbonized garbage to fall onto a combustion fire grate of the combustion chamber and burn, wherein smoke generated when garbage is incinerated in the combustion chamber enters the burnout chamber to be combusted secondarily;
s8, carrying out primary filtering and purifying treatment on the high-temperature waste gas generated by secondary combustion in the step S7 through a primary filter, and then carrying out heat exchange on the high-temperature gas generated by burning the garbage and normal-temperature gas through an air-cooled heat exchanger on the treated waste gas;
s9, performing acid-base neutralization treatment and wet dust removal treatment on the waste gas treated in the step S8 through a spray tower, and drying the treated waste gas through a demister;
and S10, filtering and purifying the waste gas treated in the step S9 by an activated carbon filter, and finally filtering and purifying the treated waste gas by a high-efficiency air filter.
Referring to fig. 1, according to step S3, garbage with a diameter of more than 60mm is sent to a washing sorting tank, plastics and wood are sorted by using the suspension property of water and sent to an automatic sorting machine, the automatic sorting machine directs a manipulator to sort the plastics and wood into various containers through an image analysis system, and recyclable plastics are sent to a plastic plant for granulation; conveying the miscellaneous plastics which are difficult to recover to a plastic pyrolysis distillation system; separating inflammable matters such as wood and the like and sending the inflammable matters into an incineration steam-making system;
referring to fig. 1, the garbage with a diameter smaller than 60mm is magnetically separated by a magnetic separator, the remaining garbage is sent to a small object drum-type screening machine, the garbage with a diameter smaller than 20mm enters the magnetic separator, and the garbage with the diameter smaller than 20mm enters a winnowing machine after being again recovered by iron;
referring to fig. 1, the plastic entering the plastic pyrolysis fractionation system first enters a plastic pyrolysis furnace for pyrolysis, and then enters a desulfurization and deoxidation device and a distillation device to produce gasoline or diesel oil;
referring to fig. 1, the incinerator is communicated with a primary filter and an air-cooled heat exchanger through a pipeline, the air-cooled heat exchanger is communicated with the air-cooled heat exchanger and a spray tower through a pipeline, the spray tower is communicated with the spray tower and a demister through a pipeline, the demister is communicated with a demister and a high-efficiency air filter through a pipeline, and the filter is communicated with the high-efficiency air filter and an activated carbon filter through a pipeline;
referring to fig. 1, the waste gas generated after the secondary combustion is introduced into the primary filter through a strong fan;
referring to fig. 1, the time and temperature for drying and carbonizing the garbage are controlled by the self-control program according to the steps S4 and S6;
referring to fig. 1, according to step S5, the water removed from the garbage in the drying chamber goes upward in the form of water vapor, and is collected by a collection pipeline connected to the top of the drying chamber to a condensation separation device for gas-liquid separation, the separated odor is sent to the combustion chamber for combustion, and the separated waste liquid is sent to a sewage purification device for treatment;
referring to fig. 1, according to step S7, the first air supply pipeline disposed at the lower side of the combustion grate provides the required air flowing upward for burning the garbage, and the second air supply pipeline disposed at the upper side of the combustion grate feeds the secondary air into the high-temperature combustion area to stir and mix the air sufficiently to enhance turbulence;
the working principle is as follows: firstly, dividing a refuse landfill into 1000-plus 10000-square-meter sections, removing refuse piece by piece, digging out the refuse by a rotary excavator provided with a digging shovel and a bag breaking knife, simultaneously primarily breaking the bag, conveying the refuse to a loading and unloading vehicle and conveying the refuse to a belt conveyor, conveying the refuse by the belt conveyor to a bag breaking machine, fully breaking the bag and dispersing the refuse, conveying the refuse to a large-article drum type screening device, screening fine soil refuse by using a first-stage drum screen and a disc type sorting machine, screening aggregate refuse by using a wind power sorting machine, screening and removing the refuse by using a second-stage drum screen, packaging combustible materials, and conveying the packaged combustible materials to the interior of an incinerator, wherein the interior of the incinerator is sequentially provided with a drying chamber, a carbonization chamber and a combustion chamber from top to bottom, the refuse is uniformly distributed on a drying grate of the drying chamber through a feeding port arranged at the top of the incinerator, and the refuse on the drying grate is lifted by hot air flow and heat radiation generated when the refuse is incinerat Dewatering and drying, reducing the water content of the garbage, improving the heat value of the garbage, opening a drying grate to enable the dewatered and dried garbage to fall on a carbonization grate of a carbonization chamber, performing high-temperature oxygen-deficient carbonization pyrolysis by utilizing the flame temperature and high-temperature flue gas generated when the garbage is incinerated by a combustion chamber, further improving the heat value of the garbage, improving the combustion characteristic of the garbage, generating combustible gas, opening the carbonization grate to enable the carbonized garbage to fall on the combustion grate of the combustion chamber and combust, enabling the flue gas generated when the garbage is incinerated by the combustion chamber to enter the burnout chamber for secondary combustion, finally performing primary filtration and purification treatment on high-temperature waste gas generated by the secondary combustion through a primary filter, performing heat exchange on the high-temperature gas generated by combusting the garbage and normal-temperature gas through an air-cooled heat exchanger, performing acid-alkali neutralization treatment and wet dust removal treatment on the treated waste gas through a spray tower, and drying the treated waste gas by a demister, filtering and purifying the treated waste gas by a high-efficiency air filter, and finally filtering and purifying the treated waste gas by an activated carbon filter.
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 (9)
1. A landfill oversize combustion treatment method for promoting pollutant emission reaching standards is characterized by comprising the following steps:
s1, dividing the refuse landfill into areas with the size of 1000-10000 square meters and removing the refuse piece by piece;
s2, digging out the garbage and primarily breaking bags at the same time by using a rotary excavator provided with a digging shovel and a bag breaking knife, and conveying the garbage to a loading and unloading vehicle to be conveyed to a belt conveyor;
s3, conveying the garbage into a bag breaking machine by a belt conveyor to fully break and disperse the garbage into large-object drum-type screening devices, screening fine soil garbage by using a primary drum screen and a disc type sorting machine, screening aggregate garbage by using a wind power sorting machine, screening and removing the material garbage by using a secondary drum screen, and packaging combustible materials;
s4, delivering the packaged combustible garbage (at most 30% of the total amount of the co-combustion incineration garbage) to the inside of an incinerator, wherein the inside of the incinerator is sequentially provided with a drying chamber, a carbonization chamber and a combustion chamber from top to bottom, and the garbage is uniformly distributed on a drying grate of the drying chamber through a feeding hole formed in the top of the incinerator;
s5, dehydrating and drying the garbage on the drying grate through the ascending hot air flow generated when the garbage is incinerated by the combustion chamber and the heat radiation of the hearth, so as to reduce the water content of the garbage and improve the heat value of the garbage;
s6, opening the drying grate to drop the dewatered and dried garbage onto the carbonization grate of the carbonization chamber, and performing high-temperature oxygen-deficient carbonization pyrolysis by using the flame temperature and high-temperature flue gas generated when the garbage is incinerated in the combustion chamber, thereby further improving the heat value of the garbage, improving the combustion characteristic of the garbage and generating combustible gas;
s7, opening the carbonization fire grate to enable carbonized garbage to fall onto a combustion fire grate of the combustion chamber and burn, wherein smoke generated when garbage is incinerated in the combustion chamber enters the burnout chamber to be combusted secondarily;
s8, carrying out primary filtering and purifying treatment on the high-temperature waste gas generated by secondary combustion in the step S7 through a primary filter, and then carrying out heat exchange on the high-temperature gas generated by burning the garbage and normal-temperature gas through an air-cooled heat exchanger on the treated waste gas;
s9, performing acid-base neutralization treatment and wet dust removal treatment on the waste gas treated in the step S8 through a spray tower, and drying the treated waste gas through a demister;
and S10, filtering and purifying the waste gas treated in the step S9 by an activated carbon filter, and finally filtering and purifying the treated waste gas by a high-efficiency air filter.
2. The method of claim 1, wherein the method comprises the steps of: according to the step S3, the garbage with the diameter larger than 60mm is sent to a washing sorting pool, plastics and wood are sorted by utilizing the suspension property of water and sent to an automatic sorting machine, the automatic sorting machine directs a mechanical arm to sort the plastics and the wood into various containers through an image analysis system, and the recyclable plastics are sent to a plastic plant for granulation and utilization; conveying the miscellaneous plastics which are difficult to recover to a plastic pyrolysis distillation system; and (4) separating inflammable matters such as wood and the like and sending the inflammable matters into an incineration steam-making system.
3. The method for burning and treating oversize products of landfill sites to promote pollutant emission meeting the standard of claim 2, wherein the method comprises the following steps: and magnetically separating the garbage with the diameter smaller than 60mm by a magnetic separator to recover iron, conveying the rest garbage to a small-article drum-type screening machine, conveying the garbage with the diameter smaller than 20mm to the magnetic separator, and recovering the iron again to enter a winnowing machine.
4. The method for burning and treating oversize products of landfill sites to promote pollutant emission meeting the standard of claim 2, wherein the method comprises the following steps: the plastic entering the plastic pyrolysis fractionation system firstly enters a plastic pyrolysis furnace for pyrolysis, and then enters a desulfurization and deoxidation device and a distillation device to produce gasoline or diesel.
5. The method of claim 1, wherein the method comprises the steps of: the incinerator is communicated with the primary filter and the air-cooled heat exchanger through a pipeline, the air-cooled heat exchanger is communicated with the air-cooled heat exchanger and the spray tower through a pipeline, the spray tower is communicated with the spray tower and the demister through a pipeline, the demister is communicated with the demister and the efficient air filter through a pipeline, and the filter is communicated with the efficient air filter and the activated carbon filter through a pipeline.
6. The method of claim 1, wherein the method comprises the steps of: and introducing waste gas generated after secondary combustion into the primary filter through a strong fan.
7. The method of claim 1, wherein the method comprises the steps of: according to the steps S4 and S6, the time and temperature of drying and carbonizing the garbage are controlled by the self-control program.
8. The method of claim 1, wherein the method comprises the steps of: according to the step S5, the water removed from the garbage in the drying chamber goes upward in the form of water vapor and is collected by a collection pipeline connected to the top of the drying chamber to a condensation separation device for gas-liquid separation, the separated odor is sent to the combustion chamber for combustion, and the separated waste liquid is sent to a sewage purification device for treatment.
9. The method of claim 1, wherein the method comprises the steps of: according to step S7, the garbage is supplied with air flowing upward through a first air supply line disposed at the lower side of a combustion grate, and secondary air is supplied into a high-temperature combustion zone through a second air supply line disposed at the upper side of the combustion grate, thereby sufficiently stirring and mixing the air and the air to enhance turbulence.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335669A (en) * | 2010-07-16 | 2012-02-01 | 湖南省一鼎环保有限公司 | Processing method of garbage landfill |
| CN108980847A (en) * | 2018-05-31 | 2018-12-11 | 云南合续环境科技有限公司 | A kind of rubbish charing burning treatment process |
| CN110657438A (en) * | 2018-06-28 | 2020-01-07 | 上海卓佑实业有限公司 | Treatment process of waste combustion gas |
-
2021
- 2021-04-07 CN CN202110371813.1A patent/CN112984513A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335669A (en) * | 2010-07-16 | 2012-02-01 | 湖南省一鼎环保有限公司 | Processing method of garbage landfill |
| CN108980847A (en) * | 2018-05-31 | 2018-12-11 | 云南合续环境科技有限公司 | A kind of rubbish charing burning treatment process |
| CN110657438A (en) * | 2018-06-28 | 2020-01-07 | 上海卓佑实业有限公司 | Treatment process of waste combustion gas |
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Application publication date: 20210618 |