CN116422676A - Low-emission carbon emission reduction and recycling garbage integrated comprehensive treatment process - Google Patents
Low-emission carbon emission reduction and recycling garbage integrated comprehensive treatment process Download PDFInfo
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- CN116422676A CN116422676A CN202211251645.3A CN202211251645A CN116422676A CN 116422676 A CN116422676 A CN 116422676A CN 202211251645 A CN202211251645 A CN 202211251645A CN 116422676 A CN116422676 A CN 116422676A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 116
- 238000011282 treatment Methods 0.000 title claims abstract description 72
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title claims abstract description 17
- 238000002309 gasification Methods 0.000 claims abstract description 37
- 238000000197 pyrolysis Methods 0.000 claims abstract description 37
- 238000000855 fermentation Methods 0.000 claims abstract description 25
- 230000004151 fermentation Effects 0.000 claims abstract description 25
- 238000005191 phase separation Methods 0.000 claims abstract description 23
- 230000000813 microbial effect Effects 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 15
- 239000004519 grease Substances 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 6
- 230000000996 additive effect Effects 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims description 36
- 239000002994 raw material Substances 0.000 claims description 30
- 239000010806 kitchen waste Substances 0.000 claims description 14
- 241000238631 Hexapoda Species 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 238000009395 breeding Methods 0.000 claims description 6
- 230000001488 breeding effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000003895 organic fertilizer Substances 0.000 claims description 5
- 244000005700 microbiome Species 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 239000003225 biodiesel Substances 0.000 claims description 3
- 238000009264 composting Methods 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 239000010921 garden waste Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/60—Biochemical treatment, e.g. by using enzymes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The application relates to the technical field of garbage treatment, in particular to a low-emission, carbon emission-reduction and recycling garbage integrated comprehensive treatment process. The classified garbage is treated individually one by one, wherein after pretreatment, the kitchen garbage is separated into water, grease and raw garbage through three-phase separation, and the raw garbage is subjected to microbial fermentation in a sealed environment with constant temperature and constant pressure; crushing garden garbage by a crusher, pouring the crushed garden garbage into raw garbage, and taking the crushed garden garbage as a fermentation additive; after being crushed by a crusher, the household garbage is subjected to pyrolysis gasification in a closed environment, and heat generated in the pyrolysis gasification is respectively used for microbial fermentation, heat source supply for daily life and heat supply for three-phase separation; the sludge garbage is dried in a high-temperature environment, and heat generated by pyrolysis and gasification of the household garbage is used for drying treatment, so that the purposes of recycling integration, reducing carbon emission and reducing pollution are achieved.
Description
Technical Field
The application relates to the technical field of garbage treatment, in particular to a low-emission, carbon emission-reduction and recycling garbage integrated comprehensive treatment process.
Background
Patent number: 201910363909.6, an invention patent with the patent name of an integrated treatment system for household garbage, which comprises: mixing and separating device, waste liquid treatment system and waste residue treatment system. The household garbage is conveyed to the mixing and separating device for pretreatment and is separated into waste liquid and waste residue, and then the waste liquid and the waste residue are led into the waste liquid treatment system and the waste residue treatment system for treatment in a split flow mode.
The waste residue treatment system comprises at least two waste residue treatment units, and waste residues in the mixing and separating device are led into the at least two waste residue treatment units in a time-sharing and alternative manner through alternative opening and closing control valves for treatment. Therefore, the waste residue treatment system can store and treat waste residues in a time-sharing manner, so that the treatment efficiency of the waste residues can be improved, the treatment capacity can be increased, the microorganism treatment time in the waste residue treatment unit can be ensured, and the stable growth of bacterial groups can be ensured, thereby maintaining the stability of the garbage treatment process of the integrated treatment system.
The integrated treatment system integrates a waste liquid treatment system and a waste residue treatment system, can intensively and comprehensively treat various biochemical wastes in rural environments, has stable treatment process, and can meet the reuse of solid residues and waste gases and the standard discharge of water quality.
The system is limited by application scenes, is only suitable for domestic garbage treatment in rural environments, can only comprehensively treat domestic garbage, performs slag-liquid separation after the collected garbage treatment, does not have any measure treatment on waste gas generated, is too simple in a waste residue treatment mode, causes the odor of the whole garbage treatment system to be diffused, and waste residues are required to be subjected to secondary waste residue treatment after the effect of providing flora growth is completed, so that time and labor are wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide the integrated comprehensive treatment process for the low-emission, carbon emission reduction and recycling garbage, which has the advantages of low emission, carbon emission reduction and excellent recycling.
The technical aim of the application is achieved through the following technical scheme: a low-emission carbon emission-reduction and recycling garbage integrated comprehensive treatment process, which comprises the following steps,
s1: pretreating kitchen waste, performing three-phase separation, separating water, grease and raw material waste, and performing microbial fermentation on the raw material waste in a sealed environment with constant temperature and constant pressure;
s2: crushing garden garbage by a crusher, pouring the crushed garden garbage into raw garbage, and taking the crushed garden garbage as a fermentation additive;
s3: after being crushed by a crusher, the household garbage is subjected to pyrolysis gasification in a closed environment, and heat generated in the pyrolysis gasification is respectively used for microbial fermentation, heat source supply for daily life and three-phase separation heat supply;
s4, drying the sludge garbage in a drying high-temperature environment, wherein heat generated by pyrolysis and gasification of the household garbage is used for drying treatment;
and S5, uniformly collecting and purifying the gas generated by microbial fermentation and the gas generated by pyrolysis and gasification.
Preferably, in the step S1, the raw material garbage fermented by microorganisms is used for composting residues generated by cultivation and cultivation of insects, the raw material is used for producing organic fertilizer, and finished product insects after cultivation of insects are further processed to be used as aquatic feeding or used as raw materials with high protein.
Preferably, in the step S1, the water separated by three phases is continuously used for carrying out physical cooling on the closed environment for pyrolysis and gasification; the separated grease can be used for deep processing of grease, namely the production of biodiesel or detergents.
Preferably, the dried sludge garbage is transferred to an environment with a sealing environment for pyrolysis and gasification to form ash, so as to prepare the raw material of the environment-friendly material.
Preferably, before three-phase separation is carried out, the kitchen waste is sequentially stored in a storage bin, conveyed by materials and separated by a crusher, wherein the generated kitchen raw water directly flows through the three-phase separation for degreasing treatment.
Preferably, kitchen waste separated by the crusher is dehydrated by a dehydrator, and the dehydrated sewage is subjected to three-phase separation and degreasing.
In summary, the application has the beneficial effects that:
1. initially classifying the garbage: the method mainly comprises kitchen waste, garden waste, household waste and sludge waste, and the waste is treated individually, wherein the kitchen waste is pretreated and then is separated into water, grease and raw material waste through three-phase separation, and the raw material waste is subjected to microbial fermentation in a sealed environment with constant temperature and constant pressure; crushing garden garbage by a crusher, pouring the crushed garden garbage into raw garbage, and taking the crushed garden garbage as a fermentation additive; after being crushed by a crusher, the household garbage is subjected to pyrolysis gasification in a closed environment, and heat generated in the pyrolysis gasification is respectively used for microbial fermentation, heat source supply for daily life and heat supply for three-phase separation; the sludge garbage is dried in a high-temperature drying environment, heat generated by pyrolysis and gasification of household garbage is used for drying treatment, heat energy generated by different classification garbage in a treatment stage is transferred and guided for use, so that the purpose of recycling integration is achieved, the heat generated by pyrolysis and gasification is respectively used for supplying heat energy required by other garbage treatments, the purposes of resource integration and rational utilization are achieved, and carbon emission is reduced;
2. in addition, the gas generated by microbial fermentation and the gas generated by pyrolysis and gasification are collected uniformly and purified, so that bad smell in a treatment system is avoided, and the surrounding environment is prevented from being polluted;
raw material garbage generated by kitchen garbage treatment, garbage after garden garbage crushing treatment, pyrolysis and gasification garbage after household garbage treatment and ash residue garbage after sludge garbage drying, wherein the raw material garbage generated by kitchen garbage treatment and the garbage after garden garbage crushing treatment are used for microbial fermentation and finally organic fertilizer production raw materials, finished product insects after insect breeding are further subjected to deep processing, the pyrolysis and gasification garbage after household garbage treatment and the ash residue garbage after sludge garbage drying are directly used for preparing raw materials of environment-friendly materials, secondary treatment of garbage is avoided, and resources of maximum efficiency are integrated.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the following embodiments are used for further detailed description of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate directional or positional relationships, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
A low-emission carbon emission-reduction and recycling garbage integrated comprehensive treatment process, which comprises the following steps,
s1: pretreating kitchen waste, performing three-phase separation, separating water, grease and raw material waste, and performing microbial fermentation on the raw material waste in a sealed environment with constant temperature and constant pressure;
s2: crushing garden garbage by a crusher, pouring the crushed garden garbage into raw garbage, and taking the crushed garden garbage as a fermentation additive;
s3: after being crushed by a crusher, the household garbage is subjected to pyrolysis gasification in a closed environment, and heat generated in the pyrolysis gasification is respectively used for microbial fermentation, heat source supply for daily life and three-phase separation heat supply;
s4, drying the sludge garbage in a drying high-temperature environment, wherein heat generated by pyrolysis and gasification of the household garbage is used for drying treatment;
and S5, uniformly collecting and purifying the gas generated by microbial fermentation and the gas generated by pyrolysis and gasification.
In the embodiment, garbage is initially classified during implementation: the method mainly comprises kitchen waste, garden waste, household waste and sludge waste, and the waste is treated individually, wherein the kitchen waste is pretreated and then is separated into water, grease and raw material waste through three-phase separation, and the raw material waste is subjected to microbial fermentation in a sealed environment with constant temperature and constant pressure; crushing garden garbage by a crusher, pouring the crushed garden garbage into raw garbage, and taking the crushed garden garbage as a fermentation additive; after being crushed by a crusher, the household garbage is subjected to pyrolysis gasification in a closed environment, and heat generated in the pyrolysis gasification is respectively used for microbial fermentation, heat source supply for daily life and heat supply for three-phase separation; the sludge garbage is dried in a high-temperature drying environment, heat generated by pyrolysis and gasification of household garbage is used for drying treatment, heat energy generated by different classification garbage in a treatment stage is transferred and guided for utilization, so that the purpose of recycling integration is achieved, the heat generated by pyrolysis and gasification is respectively used for supplying heat energy required by other garbage treatments, the purposes of resource integration and rational utilization are achieved, and the carbon emission is reduced.
In addition, the gas generated by microbial fermentation and the gas generated by pyrolysis and gasification are collected uniformly and purified, so that bad smell in a treatment system is avoided, and the surrounding environment is prevented from being polluted.
In the step S1, the raw material garbage fermented by microorganisms is used for composting residues generated by breeding and cultivating insects, and the raw material garbage is used for producing organic fertilizer, and finished product insects after the breeding of insects are further processed to be used as aquatic feeding or used as raw materials with high protein.
In addition, in the step S1, the water separated by the three phases is continuously used for physically cooling the closed environment for pyrolysis and gasification; the separated grease can be used for deep processing of grease, namely the production of biodiesel or detergents.
And in the step S4, the dried sludge garbage is transferred to an environment-friendly environment for pyrolysis and gasification to form ash, so as to prepare the raw material of the environment-friendly material.
Before three-phase separation, the kitchen waste is sequentially stored in a storage bin, conveyed by a material and separated by a crusher, wherein the generated kitchen raw water directly flows through the three-phase separation for degreasing treatment.
The kitchen waste separated by the crusher is dehydrated by a dehydrator, and the dehydrated sewage is subjected to three-phase separation and degreasing.
Working principle: raw material garbage generated by kitchen garbage treatment, garbage after garden garbage crushing treatment, pyrolysis and gasification garbage after household garbage treatment and ash residue garbage after sludge garbage drying, wherein the raw material garbage generated by kitchen garbage treatment and the garbage after garden garbage crushing treatment are used for microbial fermentation and finally organic fertilizer production raw materials, finished product insects after insect breeding are further subjected to deep processing, the pyrolysis and gasification garbage after household garbage treatment and the ash residue garbage after sludge garbage drying are directly used for preparing raw materials of environment-friendly materials, secondary treatment of garbage is avoided, and resources of maximum efficiency are integrated.
In order to prevent the pyrolysis gasification from being too high in temperature under a sealed environment, besides the self cooling through the external temperature, the implementation also utilizes water cooling to physically cool the sealed environment of the pyrolysis gasification through collecting sewage generated by kitchen waste treatment and water after three-phase separation.
And (3) standing the water after water cooling to reach the standard, and discharging.
The above-described embodiments are merely illustrative of the present application and are not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment as necessary without creative contribution, but are protected by patent laws within the scope of the claims of the present application.
Claims (6)
1. A low-emission, carbon emission reduction and recycling garbage integrated comprehensive treatment process is characterized in that: comprises the steps of,
s1: pretreating kitchen waste, performing three-phase separation, separating water, grease and raw material waste, and performing microbial fermentation on the raw material waste in a sealed environment with constant temperature and constant pressure;
s2: crushing garden garbage by a crusher, pouring the crushed garden garbage into raw garbage, and taking the crushed garden garbage as a fermentation additive;
s3: after being crushed by a crusher, the household garbage is subjected to pyrolysis gasification in a closed environment, and heat generated in the pyrolysis gasification is respectively used for microbial fermentation, heat source supply for daily life and three-phase separation heat supply;
s4, drying the sludge garbage in a drying high-temperature environment, wherein heat generated by pyrolysis and gasification of the household garbage is used for drying treatment;
and S5, uniformly collecting and purifying the gas generated by microbial fermentation and the gas generated by pyrolysis and gasification.
2. The integrated and comprehensive treatment process for low-emission, carbon emission reduction and recycling garbage according to claim 1, which is characterized in that: in the step S1, the raw material garbage fermented by microorganisms is used for composting residues generated by breeding and cultivating insects, and the raw material garbage is used for producing organic fertilizer, and finished product insects after the breeding of insects are further processed to be used as aquatic feeding or used as raw materials with high protein.
3. The integrated and comprehensive treatment process for low-emission, carbon emission reduction and recycling garbage according to claim 1, which is characterized in that: in the S1 step, the water subjected to three-phase separation is continuously used for carrying out physical cooling on a closed environment for pyrolysis and gasification; the separated grease can be used for deep processing of grease, namely the production of biodiesel or detergents.
4. The integrated and comprehensive treatment process for low-emission, carbon emission reduction and recycling garbage according to claim 1, which is characterized in that: and transferring the dried sludge garbage into an environment-friendly environment for pyrolysis and gasification to form ash, so as to prepare the raw material of the environment-friendly material.
5. The integrated and comprehensive treatment process for low-emission, carbon emission reduction and recycling garbage according to any one of claim 1, which is characterized in that: before three-phase separation, the kitchen waste is sequentially stored in a storage bin, conveyed by a material and separated by a crusher, wherein the generated kitchen raw water directly flows through the three-phase separation for degreasing treatment.
6. The integrated and comprehensive treatment process for low-emission, carbon emission reduction and recycling garbage according to any one of claim 5, which is characterized in that: the kitchen waste separated by the crusher is dehydrated by a dehydrator, and the dehydrated sewage is subjected to three-phase separation and degreasing.
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