CN111574192A - Process for comprehensively treating various solid wastes into building materials - Google Patents
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- CN111574192A CN111574192A CN202010435690.9A CN202010435690A CN111574192A CN 111574192 A CN111574192 A CN 111574192A CN 202010435690 A CN202010435690 A CN 202010435690A CN 111574192 A CN111574192 A CN 111574192A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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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
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention relates to the technical field of municipal waste treatment, in particular to a process for comprehensively treating various solid wastes as building materials, which is a process for intensively treating four solid wastes, and reduces the possibility of causing secondary pollution by redesigning and combining municipal sludge, river silt, construction waste and household garbage treatment modes and solidifying harmful components in the solid wastes at high temperature; the problems that the original solid waste only needs to be stacked and burned by landfill, occupies a large amount of land and pollutes the environment are solved, the useless waste is turned into valuables, and the problem that the waste can be recycled is solved; the method comprises the following steps: s1, collecting various solid wastes; s2, performing harmless treatment on solid waste; s3, recycling the renewable resources; s4, recycling the renewable resources into building materials; and S5, recovering the finished product.
Description
Technical Field
The invention relates to the technical field of urban waste treatment, in particular to a process for comprehensively treating various solid wastes as building materials.
Background
With the increasing development of the country, various solid wastes in cities, such as municipal sludge, river silt, construction waste and household waste, increase increasingly, the living environment of people is seriously damaged, and the bottom line of urban environmental protection treatment is challenged. At present, municipal sludge in our country is mainly treated as underground landfill, and the mode has low requirement, low cost and easy operation, but because the sludge contains a large amount of water, a percolate collecting system of a landfill site is easy to block, the content of heavy metal in percolate can be further increased due to pollutants, so that secondary pollution is caused to the environment and underground water resources, and the pollutants are not eliminated; river sludge is generally subjected to physical dehydration and drying, and is pressed into dehydrated mud cakes by mechanical stress, but a large amount of mud cakes are accumulated after being dehydrated, so that a treatment method is not clear; the construction waste is used as the waste of urban construction, a large amount of construction waste is generated along with the vigorous expansion of cities, a large amount of ground trays are occupied by simple landfill or open stacking, useful parts in the ground cannot be utilized, a large amount of dust is generated along with strong wind to pollute the environment when the weather is dry, the construction waste is gradually decomposed and crushed at present, the construction waste is decomposed into aggregates with different particle sizes, the construction resources can be recycled, and the ultrafine powder generated during crushing is extremely difficult to treat due to large amount; although the domestic garbage is called as urban mineral deposit and resource of misplaced place, the domestic garbage is increasingly paid attention, but the common treatment method is mainly an incineration method or a landfill method, the waste is incinerated to generate heat energy, waste heat is recovered to supply heat or generate electricity, a large amount of waste is generated by incineration, so that pollutants mainly containing sulfur dioxide, dioxin and the like drift to the atmosphere, the atmospheric pollution is aggravated, the land is polluted by the landfill, the heavy metal content in the soil is seriously exceeded, and the water in the garbage can be mixed with a large amount of polluted rainwater to flow downwards until underground water resources are polluted. The four solid wastes are generally treated separately or in a two-in-one manner, but after treatment, the four solid wastes can cause resource waste or leave unused, even cause secondary environmental pollution, and how to comprehensively treat the four solid wastes better and more perfectly becomes a great problem which is difficult to solve for a long time.
In view of the above, a process for comprehensively treating various solid wastes as building materials has been developed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a process for centralized treatment of four solid wastes, which reduces the possibility of secondary pollution by redesigning and combining municipal sludge, river sludge, construction waste and household garbage treatment modes and solidifying harmful components in the solid wastes at high temperature; the problems that the original solid waste only can be stacked and burned by landfill, occupies a large amount of land and pollutes the environment are solved, the useless waste is turned into valuables, and the problem that the waste can be recycled is solved.
The invention relates to a process for comprehensively treating various solid wastes into building materials, which comprises the following steps of:
s1, collecting various solid wastes: respectively collecting and transferring municipal sludge, river sludge, building garbage and household garbage to a treatment site;
s2, harmless treatment of solid waste: respectively carrying out harmless treatment on the four solid waste wastes;
s3, recycling of renewable resources: recycling the sludge regenerated fuel, sludge cakes, superfine materials, sand-shaped aggregate, medium-diameter materials, large-diameter materials, polyphenyl granules and dry distillation carbon obtained by innocent treatment as regenerated resources;
s4, utilization of renewable resource building materials: adopting carbon-containing deep processing utilization equipment, a baked brick production line, a non-sintered building material production line, a dry-mixed mortar production line, a concrete production line, a stabilized soil production line and a gas generator set to carry out building material utilization on the regenerated resources;
s5, finished product recovery: the recycled and regenerated resource products for building material utilization comprise activated carbon subjected to carbon deep processing and value added products thereof, standard sintered bricks produced by a sintered brick production line, non-sintered building materials produced by a non-fired building material production line, dry-mixed mortar produced by a dry-mixed mortar production line, stabilized soil produced by a stabilized soil production line, concrete produced by a concrete production line and electric power produced by a generator set.
Further, the specific operation mode for performing harmless treatment on the solid waste garbage in S2 is as follows:
adding an additive and a deodorant into municipal sludge, and performing modification, wall breaking, deodorization, sulfur fixation and loosening to obtain a regenerated product serving as a sludge regenerated fuel;
settling, concentrating, pumping, dehydrating and crushing the river sludge to obtain a regenerated product sludge cake and clear water;
repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood and the metal are treated as finished products;
after the domestic garbage is crushed, the domestic garbage is subjected to high-temperature anaerobic dry distillation by a high-temperature anaerobic dry distillation machine to obtain regenerated products of dry distillation carbon, combustible gas and tar.
Further, the carbonization carbon deep processing equipment adopted in the step S4 is used for deep processing of the carbonization carbon.
Further, the baked brick production line adopted in S4 uses a baked material and a fuel as raw materials, wherein the baked material is derived from sludge cake and ultra-fine powder of renewable resources, and the fuel is derived from sludge regeneration fuel and dry distillation carbon subjected to deep processing.
Furthermore, the non-sintered building material production line adopted in S4 uses the medium-diameter grain size and the sand-like aggregate as the aggregate, and the non-sintered building material is prepared by mixing the aggregate with other raw materials and pressing the mixture.
Further, the dry-mixed mortar production line adopted in S4 uses sand-like aggregate and ultrafine powder as raw materials, the heat source for drying in the drying process can be provided by burning sludge regeneration fuel, dry distillation charcoal and combustible gas, and the dry sand raw material is mixed with cement and other solid additives to form dry-mixed mortar.
Furthermore, the concrete production line adopted in S4 is prepared by taking sand-shaped aggregate and medium-diameter material as raw materials and adding water, cement and additives.
Furthermore, the main raw materials of the stabilized soil production line adopted in the step S4 are large and medium diameter materials and ultrafine materials, and cement, water and other additives are added to be blended to form the stabilized soil.
Further, the gas generator set adopted in S4 uses combustible gas obtained by high-temperature anaerobic dry distillation as fuel to generate electricity.
Compared with the prior art, the invention has the beneficial effects that: the treatment of municipal sludge, river sludge, building garbage and household garbage is recombined, and toxic and harmful components in solid waste are treated by solidification, combustion, high-temperature dry distillation and the like, so that the possibility of secondary pollution of pollutants is reduced; the process organically integrates related industrial equipment, has high capacity, low operation cost and high cost performance, can realize centralized comprehensive treatment of various solid wastes, realizes integration of solid waste treatment and multi-production industry chain combination, and finally realizes comprehensive building material of the solid wastes, and the renewable resources and building material products produced on the production line of the process all accord with the national standard and can be independently treated as finished products.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
Collecting various solid wastes: respectively collecting and transferring municipal sludge, river sludge, building garbage and household garbage to a treatment site;
harmless treatment of solid waste: respectively carrying out harmless treatment on the four solid waste wastes;
wherein, an additive and a deodorant are added into the municipal sludge, and a regeneration product is obtained through modification, wall breaking, deodorization, sulfur fixation and loosening and is used as a sludge regeneration fuel;
carrying out precipitation, concentration, pumping, dehydration, crushing, fluffing and other treatments on the river sludge to obtain a regenerated product sludge cake and clear water;
repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood, the metal and the like are treated as finished products;
crushing and screening the household garbage, and performing high-temperature anaerobic dry distillation by a high-temperature anaerobic dry distillation machine to obtain regenerated products of dry distillation carbon, combustible gas and tar;
recycling of renewable resources: and recycling the sludge regenerated fuel, sludge cakes, superfine materials, sand-like aggregate, medium-diameter materials, large-diameter materials, polyphenyl granules and dry distillation carbon obtained by innocent treatment as regenerated resources.
Repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood, the metal and the like are treated as finished products;
the method comprises the steps of taking sintering materials and fuels as raw materials, wherein the sintering materials are sludge cakes and ultrafine powder materials from renewable resources, mixing and pressing to obtain a sintered brick blank, the fuels are sludge regeneration fuels and dry distillation carbon subjected to deep processing, sintering the sintered brick blank by using the fuels, and taking the sintered brick blank out of a kiln after cooling to obtain a sintered brick finished product.
A dry-mixed mortar production line is adopted, sandy aggregate and ultrafine powder are used as raw materials, a heat source for drying in the drying process can be provided by burning sludge regeneration fuel, dry distillation carbon and combustible gas, and the dried sand raw material is mixed with cement and other solid additives to form dry-mixed mortar.
The method comprises the steps of adopting a sintering-free building material production line, taking medium-diameter and sand-shaped aggregate as aggregate, mixing the aggregate with other raw materials, pressing the mixture under high pressure to form a sintering-free pressed brick, curing a brick blank in a sintering-free kiln, and finally discharging the brick from the kiln to obtain a sintering-free brick finished product.
A concrete production line is adopted, sand-shaped aggregate and medium-diameter material are used as raw materials, water, cement and additives are used as auxiliary materials, the raw materials and the additives are mixed in a concrete host machine to prepare concrete, and the concrete can be directly transported to each construction site by a mixing transport vehicle.
A stabilized soil production line is adopted, main raw materials of the stabilized soil production line are large-diameter materials and medium-diameter materials and superfine materials, the stabilized soil production line is put into a stabilized soil main machine to be mixed and prepared, and a stabilized soil finished product is obtained and can be directly loaded and transported.
And (3) carrying out carbon-containing deep processing on the dry distillation carbon obtained after the domestic garbage treatment and carrying out deep processing by using equipment.
The gas generator set is adopted, combustible gas obtained through high-temperature anaerobic dry distillation is used as fuel, the gas generator set is used for generating electricity, the obtained electric energy can be used by equipment in the whole industrial park, the use of the electric energy is reduced, the electric energy can also be merged into a public power grid, and the electricity is sold as a commodity.
Example 2
Collecting various solid wastes: respectively collecting and transferring municipal sludge, river sludge and construction waste to a treatment site;
harmless treatment of solid waste: respectively carrying out harmless treatment on the three solid waste wastes;
wherein, an additive and a deodorant are added into the municipal sludge, and a regeneration product is obtained through modification, wall breaking, deodorization, sulfur fixation and loosening and is used as a sludge regeneration fuel;
carrying out precipitation, concentration, pumping, dehydration, crushing, fluffing and other treatments on the river sludge to obtain a regenerated product sludge cake and clear water;
repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood, the metal and the like are treated as finished products;
the method comprises the steps of taking sintering materials and fuel as raw materials, wherein the sintering materials are sludge cakes and ultrafine powder materials from renewable resources, mixing and pressing to obtain a sintered brick blank, taking the fuel from deeply processed sludge regeneration fuel, sintering the sintered brick blank by using the fuel, cooling and discharging from a kiln to obtain a sintered brick finished product.
The method comprises the steps of adopting a sintering-free building material production line, taking medium-diameter and sand-shaped aggregate as aggregate, mixing the aggregate with other raw materials, pressing the mixture under high pressure to form a sintering-free pressed brick, curing a brick blank in a sintering-free kiln, and finally discharging the brick from the kiln to obtain a sintering-free brick finished product.
A concrete production line is adopted, sand-shaped aggregate and medium-diameter material are used as raw materials, water, cement and additives are used as auxiliary materials, the raw materials and the additives are mixed in a concrete host machine to prepare concrete, and the concrete can be directly transported to each construction site by a mixing transport vehicle.
A stabilized soil production line is adopted, main raw materials of the stabilized soil production line are large-diameter materials and medium-diameter materials and superfine materials, the stabilized soil production line is put into a stabilized soil main machine to be mixed and prepared, and a stabilized soil finished product is obtained and can be directly loaded and transported.
Example 3
Collecting various solid wastes: respectively collecting municipal sludge, construction waste and household waste and transporting the municipal sludge, the construction waste and the household waste to a treatment site;
harmless treatment of solid waste: respectively carrying out harmless treatment on the three solid waste wastes;
wherein, an additive and a deodorant are added into the municipal sludge, and a regeneration product is obtained through modification, wall breaking, deodorization, sulfur fixation and loosening and is used as a sludge regeneration fuel;
repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood, the metal and the like are treated as finished products;
crushing and screening the household garbage, and performing high-temperature anaerobic dry distillation by a high-temperature anaerobic dry distillation machine to obtain regenerated products of dry distillation carbon, combustible gas and tar;
recycling of renewable resources: and recycling the sludge regenerated fuel, the ultrafine powder, the sand-like aggregate, the medium-diameter material, the large-diameter material, the polyphenyl granules and the dry distillation carbon obtained by innocent treatment as regenerated resources.
And (3) carrying out carbon-containing deep processing on the dry distillation carbon obtained after the domestic garbage treatment and carrying out deep processing by using equipment.
The gas generator set is adopted, combustible gas obtained through high-temperature anaerobic dry distillation is used as fuel, the gas generator set is used for generating electricity, the obtained electric energy can be used by equipment in the whole industrial park, the use of the electric energy is reduced, the electric energy can also be merged into a public power grid, and the electricity is sold as a commodity.
The method comprises the steps of adopting a sintering-free building material production line, taking medium-diameter and sand-shaped aggregate as aggregate, mixing the aggregate with other raw materials, pressing the mixture under high pressure to form a sintering-free pressed brick, curing a brick blank in a sintering-free kiln, and finally discharging the brick from the kiln to obtain a sintering-free brick finished product.
A dry-mixed mortar production line is adopted, sandy aggregate and ultrafine powder are used as raw materials, a heat source for drying in the drying process can be provided by burning sludge regeneration fuel, dry distillation carbon and combustible gas, and the dried sand raw material is mixed with cement and other solid additives to form dry-mixed mortar.
A concrete production line is adopted, sand-shaped aggregate and medium-diameter material are used as raw materials, water, cement and additives are used as auxiliary materials, the raw materials and the additives are mixed in a concrete host machine to prepare concrete, and the concrete can be directly transported to each construction site by a mixing transport vehicle.
A stabilized soil production line is adopted, main raw materials of the stabilized soil production line are large-diameter materials and medium-diameter materials and superfine materials, the stabilized soil production line is put into a stabilized soil main machine to be mixed and prepared, and a stabilized soil finished product is obtained and can be directly loaded and transported.
Example 4
Collecting various solid wastes: respectively collecting municipal sludge and domestic garbage and transporting the municipal sludge and the domestic garbage to a treatment site;
harmless treatment of solid waste: respectively carrying out harmless treatment on the two solid waste wastes;
wherein, an additive and a deodorant are added into the municipal sludge, and a regeneration product is obtained through modification, wall breaking, deodorization, sulfur fixation and loosening and is used as a sludge regeneration fuel;
and (3) carrying out carbon-containing deep processing on the dry distillation carbon obtained after the domestic garbage treatment and carrying out deep processing by using equipment.
The gas generator set is adopted, combustible gas obtained through high-temperature anaerobic dry distillation is used as fuel, the gas generator set is used for generating electricity, the obtained electric energy can be used by equipment in the whole industrial park, the use of the electric energy is reduced, the electric energy can also be merged into a public power grid, and the electricity is sold as a commodity.
Example 5
Collecting various solid wastes: respectively collecting and transferring the construction waste and the household waste to a treatment site;
harmless treatment of solid waste: respectively carrying out harmless treatment on the two solid waste wastes;
the construction waste is repeatedly crushed and screened to obtain a regenerated product superfine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl particles, wood and metal, wherein the polyphenyl particles are reserved as regenerated resources, and the wood, the metal and the like are treated as finished products;
crushing and screening the household garbage, and performing high-temperature anaerobic dry distillation by a high-temperature anaerobic dry distillation machine to obtain regenerated products of dry distillation carbon, combustible gas and tar;
recycling of renewable resources: and recycling the ultrafine powder material, the sand-like aggregate, the medium-diameter material, the large-diameter material, the polyphenyl granules and the dry distillation carbon obtained by innocent treatment as renewable resources.
Repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood, the metal and the like are treated as finished products;
the method comprises the steps of adopting a sintering-free building material production line, taking medium-diameter and sand-shaped aggregate as aggregate, mixing the aggregate with other raw materials, pressing the mixture under high pressure to form a sintering-free pressed brick, curing a brick blank in a sintering-free kiln, and finally discharging the brick from the kiln to obtain a sintering-free brick finished product.
A concrete production line is adopted, sand-shaped aggregate and medium-diameter material are used as raw materials, water, cement and additives are used as auxiliary materials, the raw materials and the additives are mixed in a concrete host machine to prepare concrete, and the concrete can be directly transported to each construction site by a mixing transport vehicle.
A stabilized soil production line is adopted, main raw materials of the stabilized soil production line are large-diameter materials and medium-diameter materials and superfine materials, the stabilized soil production line is put into a stabilized soil main machine to be mixed and prepared, and a stabilized soil finished product is obtained and can be directly loaded and transported.
And (3) carrying out carbon-containing deep processing on the dry distillation carbon obtained after the domestic garbage treatment and carrying out deep processing by using equipment.
The gas generator set is adopted, combustible gas obtained through high-temperature anaerobic dry distillation is used as fuel, the gas generator set is used for generating electricity, the obtained electric energy can be used by equipment in the whole industrial park, the use of the electric energy is reduced, the electric energy can also be merged into a public power grid, and the electricity is sold as a commodity.
Example 6
Collecting various solid wastes: respectively collecting and transporting river sludge and household garbage to a treatment site;
harmless treatment of solid waste: respectively carrying out harmless treatment on the two solid waste wastes;
the river sludge is subjected to precipitation, concentration, pumping, dehydration, crushing, fluffing and other treatment to obtain a regenerated product sludge cake and clear water;
crushing and screening the household garbage, and performing high-temperature anaerobic dry distillation by a high-temperature anaerobic dry distillation machine to obtain regenerated products of dry distillation carbon, combustible gas and tar;
recycling of renewable resources: and recovering the sludge cake and the dry distillation carbon obtained by the harmless treatment as regeneration resources.
The sintered brick industry: and (3) using the sludge cake obtained by innocent treatment as a sintering material and using the dry distillation carbon as fuel to burn bricks.
And (3) carrying out carbon-containing deep processing on the dry distillation carbon obtained after the domestic garbage treatment and carrying out deep processing by using equipment.
The gas generator set is adopted, combustible gas obtained through high-temperature anaerobic dry distillation is used as fuel, the gas generator set is used for generating electricity, the obtained electric energy can be used by equipment in the whole industrial park, the use of the electric energy is reduced, the electric energy can also be merged into a public power grid, and the electricity is sold as a commodity.
The treatment of municipal sludge, river sludge, building garbage and household garbage is recombined, and toxic and harmful components in solid waste are treated by solidification, combustion, high-temperature dry distillation and the like, so that the possibility of secondary pollution of pollutants is reduced; the process organically integrates related industrial equipment, has high capacity, low operation cost and high cost performance, can realize centralized comprehensive treatment of various solid wastes, realizes integration of solid waste treatment and multi-production industry chain combination, and finally realizes comprehensive building material of the solid wastes, and the renewable resources and building material products produced on the production line of the process all accord with the national standard and can be independently treated as finished products.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A process for comprehensively treating various solid wastes into building materials is characterized by comprising the following steps:
s1, collecting various solid wastes: respectively collecting and transferring municipal sludge, river sludge, building garbage and household garbage to a treatment site;
s2, harmless treatment of solid waste: respectively carrying out harmless treatment on the four solid waste wastes;
s3, recycling of renewable resources: recycling the sludge regenerated fuel, sludge cakes, superfine materials, sand-shaped aggregate, medium-diameter materials, large-diameter materials, polyphenyl granules and dry distillation carbon obtained by innocent treatment as regenerated resources;
s4, utilization of renewable resource building materials: adopting carbon-containing deep processing utilization equipment, a baked brick production line, a non-sintered building material production line, a dry-mixed mortar production line, a concrete production line, a stabilized soil production line and a gas generator set to carry out building material utilization on the regenerated resources;
s5, finished product recovery: the recycled and regenerated resource products for building material utilization comprise activated carbon subjected to carbon deep processing and value added products thereof, standard sintered bricks produced by a sintered brick production line, non-sintered building materials produced by a non-fired building material production line, dry-mixed mortar produced by a dry-mixed mortar production line, stabilized soil produced by a stabilized soil production line, concrete produced by a concrete production line and electric power produced by a generator set.
2. The process for comprehensively treating various solid wastes as building materials according to claim 1, wherein the specific operation manner of performing harmless treatment on the solid waste garbage in S2 is as follows:
adding an additive and a deodorant into municipal sludge, and performing modification, wall breaking, deodorization, sulfur fixation and loosening to obtain a regenerated product serving as a sludge regenerated fuel;
settling, concentrating, pumping, dehydrating and crushing the river sludge to obtain a regenerated product sludge cake and clear water;
repeatedly crushing and screening the construction waste to obtain a regenerated product ultrafine powder material, a sand-shaped aggregate, a medium-diameter material, a large-diameter material, a small part of polyphenyl granules, wood and metal, wherein the polyphenyl granules are reserved as regenerated resources, and the wood and the metal are treated as finished products;
after the domestic garbage is crushed, the domestic garbage is subjected to high-temperature anaerobic dry distillation by a high-temperature anaerobic dry distillation machine to obtain regenerated products of dry distillation carbon, combustible gas and tar.
3. The process for integrally treating a plurality of solid wastes as a building material according to claim 1, wherein the carbonized char used in S4 is further processed by using a char-containing further processing facility.
4. The process for integrated processing of solid wastes into building materials according to claim 1, wherein the line for producing the baked bricks used in S4 uses the baked material from sludge cake and ultra fine powder of renewable resources and the fuel from sludge regenerated fuel and carbonized charcoal which are subjected to deep processing as raw materials.
5. The process for the comprehensive treatment of building materials from various solid wastes according to claim 1, wherein the non-sintered building materials production line adopted in S4 uses medium-diameter and sand-like aggregates as aggregates, and mixes them with other raw materials to be pressed into non-sintered building materials.
6. The process for integrally processing a plurality of solid wastes into building materials according to claim 1, wherein the dry-mixed mortar production line adopted in S4 uses sand-like aggregate and ultrafine powder as raw materials, a heat source for drying the sand-like aggregate and ultrafine powder in the drying process can be provided by burning sludge regeneration fuel, dry distillation charcoal and combustible gas, and the dry sand raw material is mixed with cement and other solid additives to form the dry-mixed mortar.
7. The process for integrally treating a plurality of solid wastes as a building material according to claim 1, wherein the concrete line used in S4 is prepared from a sand-like aggregate and a medium-diameter material as raw materials, and water, cement and additives as auxiliary materials.
8. The process for comprehensive treatment of building materials from various solid wastes as claimed in claim 1, wherein the stabilized soil production line used in S4 is mainly prepared from large and medium diameter materials and ultra-fine materials, and is blended with cement, water and other additives to form stabilized soil.
9. The process for integrally processing a plurality of solid wastes into building materials according to claim 1, wherein the gas generator set adopted in the step S4 uses combustible gas obtained by high-temperature oxygen-free dry distillation as fuel to generate electricity.
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