CN113477660A - Urban organic garbage resource comprehensive utilization system and method - Google Patents
Urban organic garbage resource comprehensive utilization system and method Download PDFInfo
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- CN113477660A CN113477660A CN202110708567.4A CN202110708567A CN113477660A CN 113477660 A CN113477660 A CN 113477660A CN 202110708567 A CN202110708567 A CN 202110708567A CN 113477660 A CN113477660 A CN 113477660A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L11/00—Methods specially adapted for refuse
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/003—Dry processes only remelting, e.g. of chips, borings, turnings; apparatus used therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
Abstract
The invention discloses a comprehensive utilization system and a method for recycling urban organic garbage, which comprises a pretreatment system and a graded resource utilization system, wherein the pretreatment system is positioned at one side of the graded resource utilization system, the invention realizes graded utilization of resources in the garbage treatment process by the arrangement of the graded resource utilization system, produces five additional products of crude oil, animal protein, methane, bio-organic fertilizer and liquid organic fertilizer, improves the resource utilization rate, utilizes insects of flat horn insects to eat and decompose the garbage, reduces the garbage treatment cost, improves the garbage treatment income, is environment-friendly in the treatment process, does not generate secondary pollution, is beneficial to environmental protection and suitable for large-scale popularization, greatly reduces the contents of bacteria and viruses in the organic garbage by two-time high-pressure steam sterilization, reduces the harm of the garbage to the body health of workers, the safety of garbage disposal is greatly improved.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a comprehensive utilization system and a comprehensive utilization method for recycling urban organic garbage.
Background
The garbage is solid waste generated in daily life and production of human beings, and is large in discharge amount, complex and various in components, polluting, resource and social, and needs harmless, resource, reduction and social treatment, so that the amount of kitchen waste in cities is huge, the content of organic matters in the garbage is high, the garbage is directly discarded, the environmental pollution is not only caused, and the resource waste is very easy to cause, and the organic garbage in the cities needs to be subjected to resource treatment and utilization.
At present, garbage treatment equipment and methods on the market are various, but most of the treatment equipment and methods only perform garbage treatment, so that fewer additional products are obtained, the resource utilization rate is reduced, the cost in the treatment process is high, the treatment benefit is greatly reduced, meanwhile, garbage contains a large amount of bacteria and viruses, personnel in a factory are in contact with the garbage for a long time, great threats are generated to the physical health of workers, and secondary pollution is easily caused in the treatment process of the treatment equipment and the treatment method on the market, and the treatment equipment and the treatment method are not beneficial to environmental protection.
Disclosure of Invention
The invention aims to provide a comprehensive utilization system and a comprehensive utilization method for recycling urban organic garbage, and aims to solve the problems of low resource utilization rate, health hazard and secondary pollution in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a comprehensive utilization system for recycling urban organic garbage comprises a pretreatment system and a graded resource utilization system, wherein the pretreatment system is positioned at one side of the graded resource utilization system;
the pretreatment system comprises a first lifting machine, a conveying belt, a first high-pressure sterilizer, a magnetic separator, a sorting machine and a second high-pressure sterilizer, wherein the conveying belt, the first high-pressure sterilizer, the magnetic separator, the sorting machine and the second high-pressure sterilizer are sequentially arranged on one side of the first lifting machine.
Preferably, the graded resource utilization system comprises a smelting furnace, a landfill, a metal storage warehouse, a second hoister, a first solid-liquid separation tank, a filter sieve, an oil-water separator, an oil deodorizer, an oil storage tank, a wastewater storage tank, an acidification tank, a methane storage tank, a biodegradation tank, an ultraviolet sterilization tank, ultrafiltration equipment, a liquid fertilizer storage tank, liquid fertilizer making equipment, a second solid-liquid separation tank, biological fertilizer making equipment, a first stirring mixer, a residue storage tank, a biological cultivation warehouse, a second stirring mixer and a crusher, wherein the second hoister is positioned on one side of the first hoister, and one side of the second hoister is sequentially provided with the first solid-liquid separation tank, the filter sieve, the oil-water separator, the oil deodorizer and the oil storage tank.
Preferably, one side of the first solid-liquid separation tank is sequentially provided with a biological fertilizer production device, a first stirring mixer, a residue storage pool, a biological culture library, a second stirring mixer and a crusher.
Preferably, one side of the oil-water separator is sequentially provided with a wastewater storage tank, an acidification tank, a methane storage tank, a biodegradation tank, an ultraviolet sterilization tank, ultrafiltration equipment, a liquid fertilizer storage tank, liquid fertilizer preparation equipment and a second solid-liquid separation tank.
Preferably, the filter screen is connected with the pulverizer through a conveying belt.
Preferably, the second solid-liquid separation tank is communicated with the residue storage pool through a pipeline.
A method for comprehensively utilizing urban organic garbage resources comprises the steps of I, preprocessing garbage; step two, smelting metal; step three, burying inorganic matters; step four, solid-liquid separation; step five, preparing fertilizer through biodegradation; step six, preparing fertilizer from waste water; collecting grease;
in the first step, firstly, the sanitation vehicle conveys urban organic garbage to a factory area, then the garbage is conveyed to a conveyor belt through a first lifting machine, then a first high-temperature sterilization is carried out by utilizing a first high-pressure sterilizer, the garbage is conveyed to a magnetic separator after the sterilization is finished, metal products in the garbage are removed, then the garbage is conveyed to a sorting machine for sorting, inorganic garbage such as plastic bags and rubber is removed, the removed garbage is subjected to secondary high-temperature sterilization through a second high-pressure sterilizer, and the content of bacteria in the garbage is greatly reduced;
in the second step, after the magnetic separator in the first step selects the metal products, the metal products are conveyed to a smelting furnace for smelting, various metal blocks are prepared after cooling, and then the metal blocks are placed in a metal storage warehouse for storage;
in the third step, after the inorganic garbage is sorted by the sorting machine in the first step, the inorganic garbage is conveyed to a landfill site for landfill;
in the fourth step, the garbage subjected to secondary high-temperature sterilization in the first step is conveyed to a second hoister, and then conveyed to a first solid-liquid separation tank through the second hoister for solid-liquid separation;
in the fifth step, the solid garbage separated in the fourth step is put into a crusher to be crushed, the crushed solid garbage is conveyed into a second stirring mixer to be fully stirred after being crushed to prepare garbage homogenate for standby, then the garbage homogenate is conveyed into a biological culture warehouse to be biologically cultured, the garbage homogenate is decomposed by eating of insects such as flat horn insects, the residual part is conveyed into a residue storage pool, certain auxiliary materials are added immediately, then the mixture is conveyed into a first stirring mixer to be uniformly mixed to prepare an organic raw material, and then the organic raw material is conveyed into biological fertilizer preparation equipment to be dehydrated, dried, granulated, sterilized, packaged and the like to prepare a biological organic fertilizer;
in the sixth step, the wastewater separated in the fourth step is conveyed to a filter sieve for filtering, enters an oil-water separator for oil-water separation after filtering, then enters a wastewater storage tank for temporary storage after removing grease, then is conveyed to an acidification tank for acidification, then is conveyed to a biodegradation tank for reaction, most organic matters are removed, biogas generated in the reaction process is conveyed to a biogas storage tank for storage, then the wastewater after the reaction in the biodegradation tank enters a second solid-liquid separation tank for solid-liquid separation, solids enter a residue storage tank through a pipeline, the liquid is divided into two parts, most of the liquid enters liquid fertilizer making equipment for making liquid fertilizer, then the liquid fertilizer enters a liquid fertilizer storage tank for storage, a small part of waste liquid enters ultrafiltration equipment for filtering, and enters an ultraviolet sterilization tank for ultraviolet disinfection and sterilization after filtering, after reaching the discharge standard, carrying out pollution-free discharge;
and in the seventh step, the grease separated by the oil-water separator in the sixth step enters a grease deodorizer for deodorization, and is conveyed to a grease storage tank for storage after deodorization is completed.
Preferably, in the first step, the sterilization temperature of the first autoclave is 150 ℃, the sterilization time is 5-8min, the sterilization temperature of the second autoclave is 300-350 ℃, and the sterilization time is 10-15 min.
Preferably, in the sixth step, the time for ultraviolet sterilization is 3-5 min.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the graded resource utilization system, the graded utilization of resources in the garbage treatment process is realized, crude oil, animal protein, methane, bio-organic fertilizer and liquid organic fertilizer are produced, the resource utilization rate is improved, and insects such as flat horn insects are used for eating and decomposing garbage, so that the garbage treatment cost is reduced, and the garbage treatment benefit is improved;
2. the invention is environment-friendly in the treatment process, does not produce secondary pollution and is beneficial to environmental protection.
3. According to the invention, through two times of high-pressure steam sterilization, the contents of bacteria and viruses in the organic garbage are greatly reduced, the harm of the garbage to the health of workers is reduced, and the safety of garbage treatment is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of the modules of the present invention;
FIG. 2 is a system flow diagram of the present invention;
FIG. 3 is a flow chart of a method of the present invention;
in the figure: 1. a pre-treatment system; 2. a hierarchical resource utilization system; 101. a first hoist; 102. a conveyor belt; 103. a first autoclave; 104. a magnetic separator; 105. a sorting machine; 106. a second autoclave; 201. a smelting furnace; 202. burying in a landfill; 203. a metal reservoir; 204. a second hoist; 205. a first solid-liquid separation tank; 206. filtering and screening; 207. an oil-water separator; 208. a grease deodorizer; 209. a grease storage tank; 210. a waste water storage tank; 211. an acidification tank; 212. a biogas storage tank; 213. a biodegradation tank; 214. an ultraviolet sterilization pool; 215. ultrafiltration equipment; 216. a liquid fertilizer storage tank; 217. liquid fertilizer making equipment; 218. a second solid-liquid separation tank; 219. biological fertilizer production equipment; 220. a first stirring mixer; 221. a residue storage tank; 222. a biological culture reservoir; 223. a second stirring mixer; 224. a pulverizer.
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. 1-2, the present invention provides a technical solution: a comprehensive utilization system for recycling urban organic garbage comprises a pretreatment system 1 and a graded resource utilization system 2, wherein the pretreatment system 1 is positioned at one side of the graded resource utilization system 2;
the pretreatment system 1 comprises a first hoisting machine 101, a conveyor belt 102, a first autoclave 103, a magnetic separator 104, a separator 105 and a second autoclave 106, wherein the conveyor belt 102, the first autoclave 103, the magnetic separator 104, the separator 105 and the second autoclave 106 are sequentially arranged on one side of the first hoisting machine 101, the grading resource utilization system 2 comprises a smelting furnace 201, a landfill 202, a metal storage tank 203, a second hoisting machine 204, a first solid-liquid separation tank 205, a filter sieve 206, an oil-water separator 207, a grease deodorizer 208, a grease storage tank 209, a wastewater storage tank 210, an acidification tank 211, a biogas storage tank 212, a biodegradation tank 213, an ultraviolet sterilization tank 214, an ultrafiltration device 215, a liquid fertilizer storage tank 216, a liquid fertilizer making device 217, a second solid-liquid separation tank 218, a biological fertilizer making device 219, a first stirring mixer 220, a residue storage tank 221, a biological breeding tank 222, a biological breeding tank 220, a biological material tank, A second stirring mixer 223 and a pulverizer 224, wherein the second lifter 204 is positioned at one side of the first lifter 101, one side of the second lifter 204 is sequentially provided with a first solid-liquid separation tank 205, a filter sieve 206, an oil-water separator 207, a grease deodorizer 208 and a grease storage tank 209, the filter sieve 206 is connected with the pulverizer 224 through a conveyer belt, so that waste residues filtered by the filter sieve 206 can be discharged into the pulverizer 224, one side of the first solid-liquid separation tank 205 is sequentially provided with a biological fertilizer preparation device 219, a first stirring tank 220, a residue storage tank mixer 221, a biological culture library 222, a second stirring mixer 223 and the pulverizer 224, one side of the oil-water separator 207 is sequentially provided with a wastewater storage tank 210, an acidification tank 211, a biogas storage tank 212, a biological degradation tank 213, an ultraviolet sterilization tank 214, a biological culture device 215, a liquid fertilizer storage tank 216, a liquid fertilizer preparation device 217 and a second solid-liquid separation tank 218, the second solid-liquid separation tank 218 is communicated with the residue storage tank 221 through a pipeline, which is beneficial to discharging the residue separated by the second solid-liquid separation tank 218 into the residue storage tank 221.
Referring to fig. 3, the present invention provides a technical solution: a method for comprehensively utilizing urban organic garbage resources comprises the steps of I, preprocessing garbage; step two, smelting metal; step three, burying inorganic matters; step four, solid-liquid separation; step five, preparing fertilizer through biodegradation; step six, preparing fertilizer from waste water; collecting grease;
in the first step, firstly, the urban organic garbage is conveyed to a factory area by the sanitation truck, then the garbage is conveyed to a conveyor belt 102 through a first lifting machine 101, then first high-temperature sterilization is carried out by a first high-pressure sterilizer 103, the garbage is conveyed to a magnetic separator 104 after the sterilization is finished, metal products in the garbage are removed, then the garbage is conveyed to a separator 105 for separation, inorganic garbage such as plastic bags, rubber and the like are removed, the removed garbage is subjected to secondary high-temperature sterilization through a second high-pressure sterilizer 106, the content of bacteria in the garbage is greatly reduced, the sterilization temperature of the first high-pressure sterilizer 103 is 150 ℃., the sterilization time is 5-8min, the sterilization temperature of the second high-pressure sterilizer 106 is 350 ℃., and the sterilization time is 10-15 min;
in the second step, after the magnetic separator 104 in the first step selects the metal product, the metal product is conveyed into the smelting furnace 201 to be smelted, various metal blocks are produced after cooling, and then the metal blocks are put into the metal storage 203 to be stored;
in the third step, after the inorganic waste is sorted by the sorter 105 in the first step, the inorganic waste is transported to the landfill site 202 for landfill;
in the fourth step, the garbage subjected to the secondary high-temperature sterilization in the first step is conveyed to a second lifting machine 204, and then conveyed to a first solid-liquid separation tank 205 through the second lifting machine 204 for solid-liquid separation;
in the fifth step, the solid waste separated in the fourth step is put into a crusher 224 to be crushed, the crushed solid waste is conveyed into a second stirring mixer 223 to be fully stirred to prepare waste homogenate for standby, the waste homogenate is conveyed into a biological culture warehouse 222 to be biologically cultured, the waste homogenate is decomposed by eating of insects such as flat horn insects, the residual part of the waste homogenate is conveyed into a residue storage tank 221, certain auxiliary materials are added immediately, the waste homogenate is conveyed into a first stirring mixer 220 to be uniformly mixed to prepare an organic raw material, the organic raw material is conveyed into a biological fertilizer preparation device 219 to be dehydrated, dried, granulated, sterilized, packaged and the like to prepare a biological organic fertilizer;
in the sixth step, the wastewater separated in the fourth step is conveyed to a filter sieve 206 for filtering, the filtered wastewater enters an oil-water separator 207 for oil-water separation, the wastewater without grease enters a wastewater storage tank 210 for temporary storage, the wastewater is conveyed to an acidification tank 211 for acidification, the wastewater is conveyed to a biodegradation tank 213 for reaction, most organic matters are removed, biogas generated in the reaction process is conveyed to a biogas storage tank 212 for storage, the wastewater after the reaction in the biodegradation tank 213 enters a second solid-liquid separation tank 218 for solid-liquid separation, solids enter a residue storage tank 221 through a pipeline, the liquid is divided into two parts, most of the liquid enters a liquid fertilizer preparation device 217 for preparation into liquid fertilizer, the liquid fertilizer enters a liquid fertilizer storage tank 216 for storage, and a small part of the waste liquid enters an ultrafiltration device 215 for filtering, filtering, and sterilizing in ultraviolet sterilizing tank 214 for 3-5min to achieve discharge standard without pollution;
in the seventh step, the grease separated by the oil-water separator 207 in the sixth step enters the grease deodorizer 208 for deodorization, and the grease is conveyed to the grease storage tank 209 for storage after the deodorization is completed.
Based on the above, the invention has the advantages that the organic garbage is disinfected and sterilized by using high-pressure steam twice in the pretreatment process, so that the contents of bacteria and viruses in the garbage are greatly reduced, the probability of the diseases of workers is favorably reduced, the safety in the garbage treatment process is improved, the environment-friendly effect is realized, no secondary pollution is generated, and the environment is favorably protected in the treatment process, and five additional products, namely crude oil, animal protein, methane, bio-organic fertilizer and liquid organic fertilizer, are produced by adopting a graded treatment mode in the treatment process, so that the economic benefit is increased, the resource utilization rate is improved, the treatment cost is reduced and the treatment benefit is increased by adopting a biological treatment method.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a city organic waste resource comprehensive utilization system, includes pretreatment systems (1) and hierarchical resource utilization system (2), its characterized in that: the pretreatment system (1) is positioned at one side of the hierarchical resource utilization system (2);
the pretreatment system (1) comprises a first hoisting machine (101), a conveyor belt (102), a first high-pressure sterilizer (103), a magnetic separator (104), a separator (105) and a second high-pressure sterilizer (106), wherein the conveyor belt (102), the first high-pressure sterilizer (103), the magnetic separator (104), the separator (105) and the second high-pressure sterilizer (106) are sequentially arranged on one side of the first hoisting machine (101).
2. The urban organic garbage recycling comprehensive utilization system according to claim 1, characterized in that: the graded resource utilization system (2) comprises a smelting furnace (201), a landfill site (202), a metal storage warehouse (203), a second lifting machine (204), a first solid-liquid separation tank (205), a filter sieve (206), an oil-water separator (207), a grease deodorizer (208), a grease storage tank (209), a wastewater storage pool (210), an acidification pool (211), a methane storage tank (212), a biodegradation pool (213), an ultraviolet sterilization pool (214), ultrafiltration equipment (215), a liquid fertilizer storage tank (216), liquid fertilizer making equipment (217), a second solid-liquid separation tank (218), biological fertilizer making equipment (219), a first stirring mixer (220), a residue storage pool (221), a biological breeding pool (222), a second stirring mixer (223) and a pulverizer (224), wherein the second lifting machine (204) is positioned on one side of the first lifting machine (101), and one side of the second lifting machine (204) is sequentially provided with the first solid-liquid separation tank (205), the second lifting machine (205), A filter sieve (206), an oil-water separator (207), a grease deodorizer (208) and a grease storage tank (209).
3. The urban organic garbage recycling comprehensive utilization system according to claim 2, characterized in that: one side of the first solid-liquid separation tank (205) is sequentially provided with a bio-fertilizer production device (219), a first stirring mixer (220), a residue storage pool (221), a biological culture library (222), a second stirring mixer (223) and a crusher (224).
4. The urban organic garbage recycling comprehensive utilization system according to claim 2, characterized in that: one side of the oil-water separator (207) is sequentially provided with a wastewater storage tank (210), an acidification tank (211), a methane storage tank (212), a biodegradation tank (213), an ultraviolet sterilization tank (214), an ultrafiltration device (215), a liquid fertilizer storage tank (216), a liquid fertilizer preparation device (217) and a second solid-liquid separation tank (218).
5. The urban organic garbage recycling comprehensive utilization system according to claim 2, characterized in that: the filter screen (206) is connected with the crusher (224) through a conveyer belt.
6. The urban organic garbage recycling comprehensive utilization system according to claim 2, characterized in that: the second solid-liquid separation tank (218) is communicated with the residue storage pool (221) through a pipeline.
7. A method for comprehensively utilizing urban organic garbage resources comprises the steps of I, preprocessing garbage; step two, smelting metal; step three, burying inorganic matters; step four, solid-liquid separation; step five, preparing fertilizer through biodegradation; step six, preparing fertilizer from waste water; collecting grease; the method is characterized in that:
in the first step, firstly, the sanitation vehicle conveys urban organic garbage to a factory area, then the garbage is conveyed to a conveyor belt (102) through a first lifting machine (101), then a first high-pressure sterilizer (103) is used for carrying out first high-temperature sterilization, the garbage is conveyed to a magnetic separator (104) after the sterilization is finished, metal products in the garbage are removed, then the garbage is conveyed to a sorting machine (105) for sorting, inorganic garbage such as plastic bags and rubber is removed, the removed garbage is subjected to secondary high-temperature sterilization through a second high-pressure sterilizer (106), and the content of bacteria in the garbage is greatly reduced;
in the second step, after the magnetic separator (104) in the first step selects the metal products, the metal products are conveyed to a smelting furnace (201) for smelting, various metal blocks are prepared after cooling, and then the metal blocks are placed in a metal storage warehouse (203) for storage;
in the third step, after the inorganic garbage is sorted by the sorter (105) in the first step, the inorganic garbage is conveyed to a landfill site (202) for landfill;
in the fourth step, the garbage subjected to secondary high-temperature sterilization in the first step is conveyed to a second lifting machine (204), and then conveyed to a first solid-liquid separation tank (205) through the second lifting machine (204) for solid-liquid separation;
in the fifth step, the solid garbage separated in the fourth step is put into a crusher (224) to be crushed, the crushed solid garbage is conveyed into a second stirring mixer (223) to be fully stirred to prepare garbage homogenate for standby, the garbage homogenate is conveyed into a biological culture warehouse (222) to be biologically cultured, the garbage homogenate is decomposed by eating insects such as flat horn insects, the residual part of the garbage homogenate is conveyed into a residue storage pool (221), certain auxiliary materials are added immediately, then the garbage homogenate is conveyed into a first stirring mixer (220) to be uniformly mixed to prepare organic raw materials after mixing, and the organic raw materials are conveyed into a biological fertilizer preparation device (219) to be dehydrated, dried, granulated, sterilized, packaged and the like to prepare biological organic fertilizer;
in the sixth step, the wastewater separated in the fourth step is conveyed to a filter sieve (206) for filtering, the wastewater enters an oil-water separator (207) for oil-water separation after being filtered, then the wastewater without grease enters a wastewater storage tank (210) for temporary storage, then the wastewater is conveyed to an acidification tank (211) for acidification, then the wastewater is conveyed to a biodegradation tank (213) for reaction, most organic matters are removed, biogas generated in the reaction process is conveyed to a biogas storage tank (212) for storage, then the wastewater after the reaction of the biodegradation tank (213) enters a second solid-liquid separation tank (218) for solid-liquid separation, solids enter a residue storage tank (221) through a pipeline, the liquid is divided into two parts, most of the liquid enters a liquid fertilizer making device (217) for making liquid fertilizer, and then the liquid fertilizer enters a liquid fertilizer storage tank (216) for storage, a small part of waste liquid enters ultrafiltration equipment (215) for filtration, enters an ultraviolet sterilization tank (214) for ultraviolet sterilization after filtration, and is discharged without pollution after reaching the discharge standard;
in the seventh step, the grease separated by the oil-water separator (207) in the sixth step enters a grease deodorizer (208) for deodorization, and the grease is conveyed to a grease storage tank (209) for storage after deodorization.
8. The method for the resource comprehensive utilization of the urban organic garbage according to claim 7, characterized in that: in the first step, the sterilization temperature of the first autoclave (103) is 150 ℃ and the sterilization time is 5-8min, and the sterilization temperature of the second autoclave (106) is 350 ℃ and the sterilization time is 10-15 min.
9. The method for the resource comprehensive utilization of the urban organic garbage according to claim 7, characterized in that: in the sixth step, the time of ultraviolet disinfection and sterilization is 3-5 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110708567.4A CN113477660A (en) | 2021-06-25 | 2021-06-25 | Urban organic garbage resource comprehensive utilization system and method |
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| CN202110708567.4A CN113477660A (en) | 2021-06-25 | 2021-06-25 | Urban organic garbage resource comprehensive utilization system and method |
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Application publication date: 20211008 |