CN110756565A - Resourceful treatment system for efficiently utilizing various solid waste gasification coupling novel building materials - Google Patents

Resourceful treatment system for efficiently utilizing various solid waste gasification coupling novel building materials Download PDF

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CN110756565A
CN110756565A CN201911129122.XA CN201911129122A CN110756565A CN 110756565 A CN110756565 A CN 110756565A CN 201911129122 A CN201911129122 A CN 201911129122A CN 110756565 A CN110756565 A CN 110756565A
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storage bin
treatment system
novel building
waste
building materials
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赵誉
张帅
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • 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
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/28—Anaerobic digestion processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00—Type of solid waste
    • B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/20—Dewatering by mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/60—Separating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/80—Shredding
    • 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
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/58—Construction or demolition [C&D] waste

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a waste treatment system, in particular to a recycling treatment system for efficiently utilizing various solid waste gasification coupled novel building materials, which comprises a household waste pretreatment system, a kitchen waste pretreatment system, a novel building material system, a pyrolysis gasification system, a tail gas treatment system, a wastewater treatment system and a sludge and excrement pretreatment system, wherein the household waste pretreatment system, the kitchen waste pretreatment system, the novel building material system, the pyrolysis gasification system, the tail gas treatment system, the wastewater treatment system and the sludge and excrement pretreatment system are used for utilizing energy of solid waste, effectively restraining generation of dioxin, and coupling waste residues, waste water and waste gas generated after the solid waste treatment with the novel.

Description

Resourceful treatment system for efficiently utilizing various solid waste gasification coupling novel building materials
Technical Field
The invention relates to a waste treatment system, in particular to a resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials.
Background
With the increasing trend of the solid waste containment phenomenon, the problem is effectively solved by the recycling and intensive treatment of the vein industrial park, and the solid waste containment phenomenon gradually becomes a main mode of urban waste treatment in the future. However, in China, the construction and development of the vein industrial park are not mature enough, the vein industrial park is still in the exploration stage, and the vein industrial park has some problems while achieving the effect, and needs to be further improved and perfected.
The main problems are that: the planning and positioning are inaccurate, the vein industry chain is incomplete, the treatment of various wastes is relatively independent, and effective complementation cannot be formed; particularly, in many county vein industrial parks, because the types of pollutants are many, but the scale of each pollutant is small, the energy structure arrangement is unreasonable due to independent construction of a treatment device, industrialization cannot be realized, the treatment cost is high, and because the county financial subsidy capacity is limited, most county vein industrial parks cannot be constructed, and even if the constructed vein industrial park is in a continuous way, the operation is difficult.
Aiming at the problems, the company develops a comprehensive treatment scheme for comprehensively and intensively treating solid wastes such as domestic garbage, municipal sludge, kitchen waste, excrement and the like by utilizing solid wastes such as industrial solid waste coal gangue and the like and building a novel building material plant to cooperatively and intensively treat the solid wastes such as the domestic garbage, the municipal sludge, the kitchen waste, the excrement and the like, so that the problems can be solved,
the process utilizes a large amount of waste heat of a novel building material factory for drying solid wastes such as resident household garbage, sludge, kitchen waste and the like, and the dried solid wastes are gasified and incinerated by the patented technology of the company to generate combustible gas to supplement the roasting of the novel building material; the gasified inorganic residue can be used as a raw material of a novel building material, and zero emission of solid waste treatment is realized.
The process changes the solid waste into valuable, utilizes the residual value of the solid waste to the maximum extent, greatly reduces the manufacturing and production cost of building materials, can reduce the high subsidy of government on solid waste treatment, and realizes the benign sustainable development of the park.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a recycling treatment system for efficiently utilizing various solid wastes to gasify and couple novel building materials, which utilizes the energy of the solid wastes, effectively restrains the generation of dioxin, couples waste residues, waste water and waste gas generated after the solid wastes are treated with the novel building materials to realize zero discharge and recycling.
The invention is realized by the following technical scheme: a resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials comprises a household garbage pretreatment system, a kitchen garbage pretreatment system, a novel building material system, a pyrolysis gasification system, a tail gas treatment system, a wastewater treatment system, a sludge and excrement pretreatment system,
the household garbage pretreatment system comprises a household garbage storage bin, a bag breaking machine, a magnetic separator, a gravity separator and a wind power separator which are sequentially arranged, wherein a discharge port of the magnetic separator is connected with a first storage bin;
the kitchen waste pretreatment system comprises a kitchen waste storage bin, a first conveyor, a filter and a sorting table which are sequentially arranged;
the novel building material system comprises a building garbage storage bin, a crusher IV, a brick making machine, a drying kiln, a roasting kiln and a storage bin IV which are sequentially arranged;
the pyrolysis gasification system comprises a drying machine, a forming machine, a pyrolysis gasification incinerator and a first blower which are arranged in sequence;
the tail gas treatment system comprises a third air blower, a desulfurization tower, a denitration tower and a chimney which are sequentially arranged, wherein an air inlet of the third air blower is connected with an air outlet of the roasting kiln;
the wastewater treatment device comprises a first squeezer connected with the sorting table and a second squeezer connected with the sorting table, the first squeezer and the second squeezer are connected with a water treatment system, a water outlet of the water treatment system is connected to the brick making machine, and the first squeezer and the second squeezer are opposite to a feed inlet of the drying machine;
the sludge and excrement pretreatment system comprises a sludge storage bin, and the sludge storage bin is connected with a feed inlet of the drying machine through a second conveyor;
the discharge hole of the wind power separator is opposite to the feed hole of the drier;
and an air outlet of the first air blower is connected with a combustion chamber of the roasting kiln.
Furthermore, a discharge port of the gravity separator is connected with a second storage bin, the second storage bin is opposite to a feeding port of the fourth crusher, an ash outlet of the pyrolysis gasification incinerator is connected with a third storage bin, and the third storage bin is opposite to the feeding port of the fourth crusher.
Further, be provided with breaker one between wind-force sorter and the squeezer two, be provided with breaker two between wind-force sorter's discharge gate and the mummification machine, be provided with breaker three between letter sorting platform and the squeezer one.
Further, an exhaust port of the drying machine is connected to a spray tower, an exhaust port of the spray tower is connected to the roasting kiln, and a water outlet of the spray tower is connected to the brick making machine.
Further, an air outlet of the roasting kiln is connected to a drying machine through a second air blower.
Furthermore, a waste heat air outlet of the roasting kiln is connected with an air inlet of the drying kiln, and an air outlet of the drying kiln is connected with an air inlet of the air blower III.
Further, the first conveyor is a screw conveyor, and the second conveyor is a screw pump or a scraper conveyor.
The invention has the beneficial effects that: set up domestic waste warehouse, can concentrate wastes such as resident domestic waste, the gardens wastes material, office waste, through the bag-breaking machine, magnetic separator, gravity sorter, wind-force sorter, can tentatively tear domestic waste, then select separately, then handle respectively, energy utilization is high, the treatment accuracy is high, set up building rubbish pretreatment systems, can make building rubbish into the building materials, improve energy utilization, set up pyrolysis gasification system, can be with the domestic waste through handling, kitchen garbage pyrolysis gasification, obtain combustible gas, and then provide fuel for the roasting kiln, the rate of utilization of the energy is improved, the suppression dioxin generates, set up tail gas processing system, waste water treatment system can carry out further processing with the waste gas waste water that the refuse disposal obtained, extract the energy, reduce the pollution.
Drawings
FIG. 1 is a schematic diagram showing the connection relationship between devices in embodiment 1;
FIG. 2 is a schematic view of connection relationship among devices of the water treatment system;
wherein: 1-a domestic garbage storage bin, 2-a bag breaking machine, 3-a first storage bin, 4-a magnetic separator, 5-a second storage bin, 6-a gravity separator, 7-a wind separator, 8-a second crusher, 9-a first crusher, 10-a second squeezer, 11-a water treatment system, 12-a kitchen garbage storage bin, 13-a first conveyor, 14-a filter, 15-a sorting table, 16-a third crusher, 17-a sludge storage bin, 18-a first squeezer, 19-a second conveyor, 20-a drier, 21-a spray tower, 22-a forming machine, 23-a third storage bin, 24-a pyrolysis gasification incinerator, 25-a first blower, 26-a building garbage storage bin, 27-a chimney, 28-a fourth crusher, 29-a denitration tower, 30-a brick making machine, 31-a desulfurizing tower, 32-a drying kiln, 33-a third blower, 34-a roasting kiln, 35-a fourth storage bin, 36-a second blower, 37-an adjusting tank, 38-an anaerobic tank, 39-an aerobic tank and 40-a sedimentation tank.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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.
In each of the following examples,
the household garbage storage bin 1 is used for stacking household garbage, garden waste, office garbage and other waste in a centralized manner for ventilation and deodorization treatment, so that rotting is avoided, and moisture is reduced;
the bag breaking machine 2 can tear the bag in the household garbage, further release air, water and objects in the bag, reduce the garbage volume and release water;
the magnetic separator 4 is used for screening iron products in the household garbage and is convenient for centralized recovery;
the first storage bin 3 is opposite to a discharge port of the magnetic separator and used for storing the screened ironwork;
the gravity separator 6 is used for screening the garbage such as bricks and muck in the household garbage, is convenient for centralized treatment, and simultaneously ensures that the content of combustible materials in the residual garbage is high;
the second storage bin 5 is opposite to the discharge port of the gravity separator and is used for storing garbage such as bricks, dregs and the like;
the wind power separator 7 is used for screening out light-weight garbage such as plastics and paper and the like, and is convenient for centralized treatment;
the second crusher 8 is opposite to the discharge port of the wind power separator and is used for crushing sorted garbage such as plastics, paper and the like, and the crushed particle size is 10-200 mm;
the first crusher 9 is opposite to a slag outlet of the wind power separator and is used for crushing the sorted household garbage (mainly kitchen garbage), and the crushing particle size is 10-200 mm;
the second presser 10 is opposite to the outlet of the first crusher and is used for draining the crushed household garbage so as to be convenient to dry;
the kitchen waste storage bin 12 is used for storing kitchen waste in a centralized manner and performing ventilation and deodorization treatment, so that rotting is avoided and moisture is reduced;
the first conveyor 13 is a spiral conveyor and is used for conveying the kitchen waste in the kitchen waste storage bin to the filter;
a filter 14 for preliminary draining to obtain solid kitchen waste;
the sorting table 15 can sort large garbage manually, so that the blockage of the crusher III is avoided;
the third crusher 16 is used for crushing the sorted kitchen waste, the crushed grain size is 10-200mm, the working requirement of a squeezer can be met, the blockage is avoided, the efficiency is improved, and the squeezing effect is ensured;
the first squeezer 18 is used for squeezing out water in the kitchen waste, so that drying is convenient to perform, the moisture content of squeezed residues is 50-80%, the moisture content of squeezed residues is reduced, water discharge in a conveying process can be avoided, drying time can be effectively reduced, and drying cost is further reduced;
the sludge storage 17 is used for storing garbage such as sludge, excrement, straw and the like and performing ventilation and deodorization treatment to avoid rotting and reduce water;
a second conveyor 19 which selects a screw pump or a scraper conveyor to convey the garbage in the sludge storage bin to the drier;
the water treatment system 11 is opposite to the water outlets of the first presser, the second presser and the filter, comprises an adjusting tank 37, an anaerobic tank 38, an aerobic tank 39 and a sedimentation tank 40, and can treat sewage with high organic matter content to obtain clear water;
a drier 20, which is opposite to the discharge ports of the crusher II, the squeezer I and the conveyor II, and selects a mesh belt type drier, wherein the width of a mesh belt is 1-3 m, the number of mesh belt layers is 1-7, the inlet air temperature of the drier is 150-250 ℃, the outlet air temperature is 70-90 ℃, the feed water content is about 80-50%, and the discharge water content is about 30-5%;
the spray tower 21 is opposite to an exhaust port of the drying machine, purifies gas generated by drying, conveys the purified tail gas to the roasting kiln, and oxidizes and decomposes organic matters into inorganic matters;
the forming machine 22 is opposite to the discharge port of the drying machine, and is used for preparing the dried garbage into particles with the particle size of 10-200mm, so that pyrolysis and gasification are conveniently carried out;
the pyrolysis gasification incinerator 24 is a vertical gasification incinerator, the diameter of a furnace body is 1.5-5m, the height is 2-30m, and solid waste is subjected to drying, dry distillation, gasification and combustion processes in the pyrolysis gasification incinerator step by step; organic matters are converted into combustible gas, and the inorganic matters are burnt at high temperature to become ash to be discharged; the temperature of the drying section is 100-200 ℃, the temperature of the dry distillation section is 200-800 ℃, the temperature of the gasification section is 800-950 ℃, and the temperature of the combustion section is 950-1050 ℃;
a third storage bin 23 which is opposite to the ash outlet of the pyrolysis and gasification incinerator and used for collecting ash and slag generated by the pyrolysis and gasification incinerator;
the air inlet of the first air blower 25 is connected with the air outlet of the pyrolysis and gasification incinerator, the air outlet of the first air blower is connected with the combustion chamber of the roasting kiln, and combustible gas generated by the pyrolysis and gasification incinerator is supplied to the roasting kiln;
a construction waste storage 26 for storing construction waste such as coal gangue, sand, shale, waste rock, industrial leftover materials and the like for waterproof treatment;
the fourth crusher 28 is used for crushing the construction waste in the construction waste storage bin and the waste in the second storage bin and the third storage bin;
the brick making machine 30 is used for making the garbage crushed by the crusher into green bricks, and a water inlet of the brick making machine is connected with a water outlet of the water treatment system and a water outlet of the spray tower;
the drying kiln 32 is used for drying the green bricks, and an air inlet of the drying kiln is connected with an air outlet of the roasting kiln, so that the waste heat of the exhausted air of the roasting kiln can be effectively utilized;
a roasting kiln 34 which is a tunnel kiln and is a building material roasting kiln, wherein the tunnel kiln is provided with a waste heat exhaust outlet, the width of the tunnel kiln is about 3-10 meters, the length of the tunnel kiln is about 100-250 meters, and the dried green bricks are roasted to obtain finished bricks, and the roasting temperature is 950-1050 ℃;
a fourth storage bin 35 for storing the building materials produced by the roasting kiln;
the second air blower 36 is used for introducing exhaust air of the roasting kiln into the drying machine and drying the garbage in the drying machine by using the waste heat of the exhaust air of the roasting kiln;
a third air blower 33 which introduces the air in the roasting kiln into the desulfurizing tower;
a desulfurizing tower 31 for desulfurizing the exhaust gas discharged from the drying kiln;
a denitration tower 29 for conducting denitration treatment on the desulfurized tail gas;
and a chimney 27 for discharging the desulfurized and denitrated exhaust gas.
Example 1
As shown in FIGS. 1-2, a recycling system for efficiently utilizing various solid waste gasification coupled novel building materials comprises a household garbage pretreatment system, a kitchen garbage pretreatment system, a building garbage pretreatment system, a pyrolysis gasification system, a tail gas treatment system, a wastewater treatment system, a sludge and feces pretreatment system,
the household garbage pretreatment system comprises a household garbage storage bin 1, a bag breaking machine 2, a magnetic separator 4, a gravity separator 6 and a wind power separator 7 which are sequentially arranged, and a discharge port of the magnetic separator is connected with a storage bin I3; the kitchen waste pretreatment system comprises a kitchen waste storage bin 12, a first conveyor 13, a filter 14 and a sorting table 15 which are sequentially arranged; the construction waste pretreatment system comprises a construction waste storage bin 26, a fourth crusher 28, a brick making machine 30, a drying kiln 32, a roasting kiln 34 and a fourth storage bin 35 which are sequentially arranged; the pyrolysis gasification system comprises a drier 20, a forming machine 22, a pyrolysis gasification incinerator 24 and a first blower 25 which are sequentially arranged; the tail gas treatment system comprises a third air blower 33, a desulfurization tower 31, a denitration tower 29 and a chimney 27 which are sequentially arranged, wherein an air inlet of the third air blower is connected with an air outlet of the roasting kiln; the wastewater treatment device comprises a second presser 10 connected with the wind power sorting machine and a first presser 18 connected with the sorting table, the first presser and the second presser are connected with a water treatment system 11, the water treatment system comprises an adjusting tank 37, an anaerobic tank 38, an aerobic tank 39 and a sedimentation tank 40, sewage with high organic matter content can be treated to obtain clear water, a water outlet of the water treatment system is connected to the brick making machine, and the first presser and the second presser are both opposite to a feed inlet of the drying machine; the slag outlet of the wind power separator is opposite to the feed inlet of the drier; and an air outlet of the first air blower is connected with a combustion chamber of the roasting kiln.
The discharge port of the gravity separator is connected with a second storage bin 5, the second storage bin is opposite to the feeding port of the fourth crusher, the ash outlet of the pyrolysis gasification incinerator is connected with a third storage bin 23, the third storage bin is opposite to the feeding port of a fourth crusher, a first crusher 9 is arranged between a wind power separator and a second presser, a second crusher 8 is arranged between the wind power separator and a drier, a third crusher 16 is arranged between a sorting table and the first presser, an exhaust port of the drier is connected to a spray tower 21, an exhaust port of the spray tower is connected to a roasting kiln 34, a water outlet of the spray tower is connected to a brick making machine 30, an exhaust port of the roasting kiln is connected to the drier through a second air blower 36, an exhaust port of the roasting kiln is connected with an air inlet of a drying kiln, an exhaust port of the drying kiln is connected with an air inlet of a third air blower, the sludge and excrement pretreatment system comprises a sludge storage bin 17, and the sludge storage bin is connected with a feeding port of the drier through a second.
According to the solid waste treatment system for effectively inhibiting the generation of dioxin, only three types of materials are discharged after the raw materials are treated by the system, and the first type is an iron product collected in the second storage bin; the second is harmless tail gas discharged from a chimney; the building materials stored in the third storage bin are not discharged unnecessarily, and the generation of dioxin can be effectively restrained.
Solid wastes such as industrial solid waste coal gangue and the like are utilized, a novel building material factory is built to cooperatively and intensively treat the comprehensive treatment of solid wastes such as household garbage, municipal sludge, kitchen waste, excrement and the like, a system utilizes a large amount of waste heat of the novel building material factory to dry the solid wastes such as resident household garbage, sludge, kitchen waste and the like, and the dried solid wastes are gasified and burned to generate combustible gas to supplement the roasting of the novel building materials; the gasified inorganic residue can be used as a raw material of a novel building material, and zero emission of solid waste treatment is realized.
The system changes the solid waste into valuable, utilizes the residual value of the solid waste to the maximum extent, greatly reduces the manufacturing and production cost of building materials, can reduce the high subsidy of government on solid waste treatment, and realizes the benign sustainable development of the park.
Through inspection, the content of dioxin in the tail gas of the traditional garbage treatment system is 0.5 ng TEQ/Nm3The content of dioxin in the tail gas of the solid waste treatment system for effectively suppressing generation of dioxin is 0.03 ngTEQ/Nm3Of dioxinsThe discharge amount is greatly reduced, and the environmental protection effect is obviously improved.
Moreover, because the flue gas in this application is through utilizing many times, harmful components reduce, and flue gas treatment cost obviously descends, through the test, compares with traditional refuse treatment system, and flue gas treatment cost reduces 60%.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. A resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials is characterized by comprising a household garbage pretreatment system, a kitchen garbage pretreatment system, a novel building material system, a pyrolysis gasification system, a tail gas treatment system, a wastewater treatment system and a sludge and excrement pretreatment system,
the household garbage pretreatment system comprises a household garbage storage bin, a bag breaking machine, a magnetic separator, a gravity separator and a wind power separator which are sequentially arranged, wherein a discharge port of the magnetic separator is connected with a first storage bin;
the kitchen waste pretreatment system comprises a kitchen waste storage bin, a first conveyor, a filter and a sorting table which are sequentially arranged;
the novel building material system comprises a building garbage storage bin, a crusher IV, a brick making machine, a drying kiln, a roasting kiln and a storage bin IV which are sequentially arranged;
the pyrolysis gasification system comprises a drying machine, a forming machine, a pyrolysis gasification incinerator and a first blower which are arranged in sequence;
the tail gas treatment system comprises a third air blower, a desulfurization tower, a denitration tower and a chimney which are sequentially arranged, wherein an air inlet of the third air blower is connected with an air outlet of the roasting kiln;
the wastewater treatment device comprises a first squeezer connected with the sorting table and a second squeezer connected with the sorting table, the first squeezer and the second squeezer are connected with a water treatment system, a water outlet of the water treatment system is connected to the brick making machine, and the first squeezer and the second squeezer are opposite to a feed inlet of the drying machine;
the sludge and excrement pretreatment system comprises a sludge storage bin, and the sludge storage bin is connected with a feed inlet of the drying machine through a second conveyor;
the discharge hole of the wind power separator is opposite to the feed hole of the drier;
and an air outlet of the first air blower is connected with a combustion chamber of the roasting kiln.
2. The recycling system for gasification-coupled novel building materials with various solid wastes according to claim 1, wherein a discharge port of the gravity separator is connected with a second storage bin, the second storage bin is opposite to a feeding port of the fourth crusher, an ash outlet of the pyrolysis gasification incinerator is connected with a third storage bin, and the third storage bin is opposite to the feeding port of the fourth crusher.
3. The resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials according to claim 1, wherein a first crusher is arranged between the wind power separator and a second presser, a second crusher is arranged between a discharge port of the wind power separator and a drier, and a third crusher is arranged between the sorting table and the first presser.
4. The resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials as claimed in claim 1, wherein an exhaust port of the drying machine is connected to a spray tower, an exhaust port of the spray tower is connected to the roasting kiln, and a water outlet of the spray tower is connected to a brick making machine.
5. The resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials as claimed in claim 1, wherein an exhaust outlet of the roasting kiln is connected to a drier through a second blower.
6. The resource treatment system for efficiently utilizing various solid waste gasification coupled novel building materials as claimed in claim 1, wherein a waste heat exhaust outlet of the roasting kiln is connected with an air inlet of the drying kiln, and an exhaust outlet of the drying kiln is connected with an air inlet of the air blower III.
7. The recycling system for efficiently utilizing various solid waste gasification-coupled novel building materials as claimed in claim 1, wherein the first conveyor is a screw conveyor, and the second conveyor is a screw pump or a scraper conveyor.
CN201911129122.XA 2019-11-18 2019-11-18 Resourceful treatment system for efficiently utilizing various solid waste gasification coupling novel building materials Pending CN110756565A (en)

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