CN106830728A - One kind building solid waste best quality handling process - Google Patents

One kind building solid waste best quality handling process Download PDF

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Publication number
CN106830728A
CN106830728A CN201611258205.5A CN201611258205A CN106830728A CN 106830728 A CN106830728 A CN 106830728A CN 201611258205 A CN201611258205 A CN 201611258205A CN 106830728 A CN106830728 A CN 106830728A
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China
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particle diameter
solid waste
level
building
broken
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CN201611258205.5A
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CN106830728B (en
Inventor
卢佳林
高育欣
陈景
甘戈金
徐国栋
温超凯
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China West Construction Group Co Ltd
China West Construction Southwest Co Ltd
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China West Construction Group Co Ltd
China West Construction Southwest Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/16Waste materials; Refuse from building or ceramic industry
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04Disintegrating plastics, e.g. by milling
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/22Glass ; Devitrified glass
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B2017/001Pretreating the materials before recovery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • B29B2017/0213Specific separating techniques
    • B29B2017/0217Mechanical separating techniques; devices therefor
    • B29B2017/0224Screens, sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • B29B2017/0213Specific separating techniques
    • B29B2017/0268Separation of metals
    • B29B2017/0272Magnetic separation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04Disintegrating plastics, e.g. by milling
    • B29B2017/0424Specific disintegrating techniques; devices therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/52Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/58Construction or demolition [C&D] waste
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The present invention discloses a kind of building solid waste best quality handling process, mainly includes the following steps that:Pre-processed in building solid waste stockyard, including air-dried, manual sorting;Peel off mud powder, clod, crushed by three-level, three-level is sieved, manual sorting, with reference to selection by winnowing, magnetic separation, color sorting, the different sorting technologies such as different hardness solid waste screening, using combination grinding and dry type washed-out sand technology, prepare 2 kinds of green New Mineral admixtures, the 5mm of particle diameter 0, the common regeneration aggregate of 5 20mm and 20 31.5mm, the 5mm of particle diameter 0, gather materials 5 class high-quality, high added value reconstituted product, and inertia micro mist and other sorting products are conserved in the high-strength high quality recycled aggregates of 5 20mm and 20 31.5mm, mortar, concrete.The present invention realize building solid waste become more meticulous, the treatment of high added value, reach 100% recycling, obtain important breakthrough in building solid waste utilization of resources industry best quality treatment.

Description

One kind building solid waste best quality handling process
Technical field
The invention belongs to build solid wastes recycling utilization, building material field, it is related to a kind of building solid waste best quality to process Technique.
Background technology
With greatly developing for China's infrastructure construction, old building, road etc. are pulled down and removed a building for reconstruction, house, urban operating mechanism Deng extensive newly-built, the building solid waste of flood tide is generated, according to statistics, the current annual production of China about at 2,000,000,000 tons or so, build by reserves Solid waste is built about at 20,000,000,000 tons, the severe contamination of environment, soil, air, water resource is caused.Current China's building solid waste is most Based on landfill, it is impossible to fundamentally solve the process problem of building solid waste, waste substantial amounts of land resource.
China's building demolition scene does not carry out genealogical classification to building solid waste, significantly increases building solid wastes recycling and utilizes Difficulty.Building fixed-end forces only realize simple crushing and screening at present, generally comprise the operations such as broken, magnetic separation, screening. According to building solid waste type, the difference of reconstituted product demand, also without for the maturation for mixing the system disposal of building solid wastes recycling The problems such as technology, generally existing shortage system removal of impurities means, low treatment effeciency, unstable product quality.Typically build at present Fixed-end forces are built for regeneration aggregate, only with the low value-added product such as regeneration brick, regenerative building block, makes recycling Enterprise is difficult to produce a profit.The regeneration aggregate crush index that produces simultaneously, being also difficult to reach GB containing miscellaneous, apparent density etc. will Ask, it is more difficult to applied in concrete.
The content of the invention
The technical problems to be solved by the invention are directed to the deficiency of above-mentioned prior art presence and provide a kind of building admittedly Useless best quality handling process, realize the finer efficient sorting of building solid waste, realizes best quality, high added value, stable performance Reconstituted product.
The present invention is to solve the problems, such as that used technical scheme set forth above is:
One kind building solid waste best quality handling process, comprises the following steps:
(1) building solid waste is air-dried in closing stockyard, is ensured that building solid waste moisture content is maintained at less than 10% as far as possible; Then preliminary manual sorting is carried out, rag, plastics, glass, electric wire, timber etc. is sorted out as far as possible, be that follow-up separation mitigates Pressure;
(2) the remaining building solid waste after step (1) is sorted is delivered to heavy stripping sieve, screens out the clod for mixing, then Oscillating feeder is delivered to again, and 0~80mm particle diameters building solid waste part therein is directly entered one-level screening, other remaining portions It is broken into one-level after dividing ancestor's work point to sort out the materials such as rag, plastics, glass, electric wire, timber, substantially remain in particle diameter 100~below 150mm, then carry out magnetic separation and remove old metal and manual sorting going out the light thing such as rag, plastics, glass, electric wire, timber Matter;
(3) step (2) gained building solid waste is divided into particle diameter 0-15mm, 15-45mm, 45-65mm, 65-85mm and Five parts of more than 85mm;Wherein, the part of particle diameter 0-15mm is directly as gardens soil or filling soil;The light thing of remainder Matter separator sorts out the light materials such as rag, timber, plastics again;
(4) color sorting is carried out to step (3) gained particle diameter 45-65mm, 65-85mm building solid waste, realizes brick and coagulation The sorting of soil more than 90%;
(5) brick and concrete for being sub-elected to step (4) carry out two-stage crushing, magneticly elect old metal and selection by winnowing successively respectively Go out light materials separation, two grades of screenings;Wherein, brick by two grades sieve after be divided into particle diameter 20-31.5mm, more than 31.5mm and 20mm three below part, then, the brick of below particle diameter 20mm directly carries out combination grinding, prepares surface area more than 350m2/kg Novel green high-activity mineral blending material, the brick of particle diameter 20-31.5mm crushed by three-level prepare particle diameter 0-5mm mortar, Conserving material in concrete, the brick of more than particle diameter 31.5mm carries out step (5) again;Concrete is divided into grain after two grades are sieved Footpath respectively in the common regeneration aggregate of 0-5mm, 5-20mm and 20-31.5mm, and more than particle diameter 31.5mm concrete, should The concrete of more than particle diameter 31.5mm step (5) again;
(6) color selection by winnowing is carried out to step (3) gained particle diameter 15-45mm, more than 85mm building solid wastes, sub-elects glass Afterwards, two-stage crushing is carried out successively, magneticly elect old metal and selection by winnowing go out light materials, two grades screening, it is particle diameter 0-5mm, 5- to sieve The part of the common regeneration aggregate of 20mm, 20-31.5mm and more than particle diameter 31.5mm;
(7) granule strength to the part of step (6) gained more than particle diameter 31.5mm is higher, carries out two-stage crushing, magnetic separation Remove old metal, screening and obtain particle diameter respectively in 0-5mm, the high-strength and high performance regeneration aggregate of 5-20mm, 20-31.5mm.
By such scheme, the glass that the step (6) sub-elects, grinding to grinding specific grain surface product is more than 350m2/ Kg, as novel green repeat glass micro mist high-activity mineral blending material.
By such scheme, all broken, screening processes include broken one-level, one-level screening, two-stage crushing, two grades sieve, Three-level is broken, three-level is sieved etc., and collecting fine powder by dust arrester installation enters inertia micro mist tank, as inorganic mixture powder material Material.
By such scheme, the one-level is broken for jaw crushing;Two-stage crushing is broken for reaction type;Three-level is broken for vertical Impact grinding or reaction type are crushed or cone crusher.
By such scheme, the old metal recycling is steel.
By such scheme, manual sorting's rag, plastics, glass, electric wire, reinforcing bar, timber etc..
By such scheme, including rag, timber, plastics etc., wherein process in plastics is plastic grain, timber to the light materials Directly recycle, other light materials pyrogenation and carbonization vaporizing systems are for fuel gas.
By such scheme, the following bricks of particle diameter 20mm carry out combination grinding in the step (5), prepare novel green high activity Mineral admixture, or the brick of particle diameter 20-31.5mm and below particle diameter 20mm together carries out combination grinding according to demand.
By such scheme, described color sorting is sorted by optical scanner, can be sorted glass, concrete, brick and be used high pressure Nozzle is sprayed.
By such scheme, conserving material, the common Regenerated Bone of particle diameter 0-5mm in the mortar of gained particle diameter 0-5mm, concrete Material can carry out gumming using dry type sand washer, wherein particle diameter is less than 12% less than the mass content of 0.075mm fine powders.Its In, the particle diameter enters inertia micro mist tank less than 0.075mm fine powders, as inorganic mixture powder body material.And these particle diameters 0- The regeneration aggregate gumming of 5mm, improve quality, while using dry type washed-out sand technique, it is to avoid secondary pollution, saving water resource
By such scheme, described dry type sand washer is sieved using air.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) present invention realizes that building solid waste becomes more meticulous classification, realizes brick, weak concrete, strong concrete, glass The classification that becomes more meticulous of the building solid waste big etc. accounting, in combination with selection by winnowing, magnetic separation, manual sorting, color sorting realizes that building is solid Useless 100% classification and 100% recycling;
(2) building solid waste best quality handling process of the present invention generates mortar, concrete internal oxidition and gathers materials, and 2 Novel green high-activity mineral blending material is planted, can be used for the high-strength high-quality aggregate of regeneration of more than C40 strength concretes production, it is real Now building solid waste value of the product several times increase.
(3) present invention gained recycled fine aggregate is few containing powder, and washed-out sand technique does not produce secondary pollution.
(4) present invention realizes soil, mud stripping in building solid waste, makes follow-up crushing and screening highly efficient, does not block up broken Machine and screening plant;Later stage selection by winnowing efficiency high.
Brief description of the drawings:
Fig. 1 is the process chart of building solid waste best quality handling process of the present invention.
Specific embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention is not It is limited only to the following examples.
Embodiment 1
One kind building solid waste best quality handling process, comprises the following steps:
(1) building solid waste is air-dried in closing stockyard, is ensured that building solid waste moisture content is maintained at less than 10% as far as possible; Then preliminary manual sorting is carried out, rag, plastics, glass, electric wire, reinforcing bar, timber etc. is sorted out as far as possible, be follow-up separation Ease off the pressure;
(2) the remaining building solid waste after step (1) is sorted is delivered to heavy stripping sieve, screens out the clod for mixing, then Oscillating feeder is delivered to again, and 0~80mm particle diameters building solid waste part therein is directly entered one-level screening, other remaining portions Point first carry out after one-level manual sorting goes out the materials such as rag, plastics, glass, electric wire, timber, it is broken into one-level Hubei Province formula, make grain Footpath substantially remains in 100~below 150mm, then carries out that magnetic separation removes old metal and two grades of manual sortings go out rag, plastics, glass The light materials such as glass, electric wire, timber;
(3) step (2) gained particle diameter substantially remains in the building solid waste of 100~below 150mm, and it is particle diameter 0- to sieve 15mm, 15-45mm, five parts of 45-65mm, 65-85mm and more than 85mm;Wherein, the part of particle diameter 0-15mm is directly made It is gardens soil or filling soil;Use light thing in the part of remaining particle diameter 15-45mm, 45-65mm, 65-85mm and more than 85mm Matter separator sorts out the light materials such as rag, timber, plastics again;
(4) step (3) gained particle diameter 45-65mm, 65-85mm building solid waste is sorted again with light materials separator respectively After going out the light materials such as rag, timber, plastics, then carry out being sorted by optical scanner color respectively, realize brick and concrete 90% Sorting above;
(5) brick and concrete for being sub-elected to step (4) carry out two grades of reaction types and crush, magneticly elect old metal successively respectively With selection by winnowing go out light materials separate, two grades screening;Wherein, brick is divided into particle diameter 20-31.5mm, more than 31.5mm after two grades are sieved And 20mm three below part, then, the brick of below particle diameter 20mm directly carries out combination grinding, prepares surface area and is more than 350m2The novel green high-activity mineral blending material of/kg, the brick of particle diameter 20-31.5mm passes through the broken preparation of three-level vertical impact crusher Conserving material in particle diameter 0-5mm mortars, concrete, the brick of more than particle diameter 31.5mm carries out step (5) again;Concrete is by two It is divided into particle diameter respectively in the common regeneration aggregate of 0-5mm, 5-20mm and 20-31.5mm, and particle diameter 31.5mm after level screening More than concrete, the concrete of more than particle diameter 31.5mm step (5) again;
(6) step (3) gained particle diameter 15-45mm, more than 85mm building solid waste is divided again with light materials separator respectively After sorting out the light materials such as rag, timber, plastics, then by optical scanner color selection by winnowing, after sub-electing glass, carry out successively Two grades of reaction types crush, magneticly elect old metal and selection by winnowing goes out light materials, two grades of screenings, and it is particle diameter 0-5mm, 5-20mm, 20- to sieve The part of the common regeneration aggregates of 31.5mm and more than particle diameter 31.5mm;
(7) to step (6) gained more than particle diameter 31.5mm part granule strength it is higher, carry out three-level cone crusher, Magnetic separation removes old metal, three-level screening, obtains particle diameter respectively in 0-5mm, and the high-strength high-quality of 5-20mm, 20-31.5mm regenerates Aggregate;
(8) glass that step (6) is sub-elected, grinding to specific grain surface product is more than 350m2/ kg, as novel green again Raw glass micro mist high-activity mineral blending material;
(9) conserving material carries out gumming using air sieve in the mortar of gained particle diameter 0-5mm, concrete, makes wherein particle diameter Mass content less than 0.075mm fine powders is less than 12%;The common regeneration aggregate of gained particle diameter 0-5mm, the Gao Pin of particle diameter 0-5mm Matter regeneration aggregate carries out gumming using air sieve, wherein particle diameter is less than 12% less than the mass content of 0.075mm fine powders.Its In, the particle diameter enters inertia micro mist tank less than 0.075mm fine powders, as inorganic mixture powder body material.
(10) other collection materials classification is also carried out recycling, wherein, old metal recycling is steel, process in plastics It is plastic grain, timber is directly recycled, other pyrogenation and carbonization vaporizing systems are for fuel gas.
(11) dust arrester installation is set, collect one-level Hubei Province formula in above-mentioned steps broken, one-level screening, two grades of reaction types it is broken, The processes such as two grades of screenings, three-level impact grinding, three-level cone crushers produce fine powder to enter inertia micro mist tank, can be used as inorganic mixing Material powder body material.
Embodiment 2
One kind building solid waste best quality handling process, can be refined as following steps:
Step 1:Building solid waste is pre-processed, is air-dried in closing stockyard, carried out preliminary manual sorting, sorted out Plastics, glass, electric wire, reinforcing bar, timber etc. enter step 17, just the building solid waste after manual sorting enters step 2;
Step 2:Building solid waste feeding hopper after the manual sorting, is delivered to heavy stripping and sieves, and screens out the clod for mixing; Then, sieve is peeled off by heavy type and is delivered to oscillating feeder, the building solid waste of wherein 0-80mm particle diameters is directly entered step 6, and The building solid waste of more than 80mm particle diameters enters step 3;
Step 3:The building solid waste of more than 80mm particle diameters is carried out into one-level manual sorting, sort out rag, timber, plastics, Electric wire etc. enters step 17, and the building solid waste of one-level manual sorting enters step 4;
Step 4:The building solid waste of one-level manual sorting carries out one-level Hubei Province formula and crushes, afterwards into step 5;Dust arrester installation The dust granules produced in one-level Hubei Province formula shattering process are collected, gained dust granules are stored to inertia micro mist tank;
Step 5:Building solid waste after one-level Hubei Province formula is broken enters step 6 after carrying out two grades of manual sortings, magnetic separation;And two Light materials (plastics, timber, rag etc.), electric wire that level manual sorting goes out etc., the old metal for magneticly electing enter step 17;
Step 6:Building solid waste is classified by one-level screening plant, is divided into particle diameter 0-15mm, 15-45mm, 45- Five parts of 65mm, 65-85mm and more than 85mm, wherein, the building solid waste of particle diameter 0-15mm is used as backfill or processing Gardens soil;To particle diameter 15-45mm, after four parts of 45-65mm, 65-85mm and more than 85mm carry out light materials separation, institute The part for obtaining particle diameter 45-65mm, 65-85mm enters step 7, and particle diameter 15-45mm and the part more than 85mm enter step 14;And The light materials such as rag, timber, the plastics isolated enter step 17;
Step 7:Step 6 gained particle diameter 45-65mm and 65-85mm building solid waste carry out color sorting respectively, realize fragment of brick Separated with concrete block, then carry out step 8;
Step 8:Carry out two grades of reaction types respectively to fragment of brick and concrete block to crush, step 9 is entered afterwards;Dust arrester installation The dust granules produced in two grades of reaction type shattering processes are collected, gained dust granules are stored to inertia micro mist tank;
Step 9:Step 8 gained fragment of brick carries out iron removal by magnetic separation and light materials isolate rag, timber, plastics, electric wire etc., Into step 10;Step 8 gained concrete block carries out iron removal by magnetic separation, and light materials isolate rag, timber, plastics, electric wire Deng after, into step 13;
Step 10:Step 9 gained fragment of brick carries out two grades of screenings, is divided into particle diameter more than 31.5mm, 0-20mm, 20-31.5mm Three part fragment of brick particles, wherein, particle diameter is again introduced into step 8 more than 31.5mm particles;Particle diameter 0-20mm particles carry out joint powder Mill, grinding specific grain surface product is more than 350m2/ kg, as novel green high-activity mineral blending material;Particle diameter 20-31.5mm Grain enters step 12 or step 11 according to demand;
Step 11:Step 10 gained particle diameter 20-31.5mm fragments of brick particle carries out combination grinding, and grinding specific grain surface product is big In 350m2/ kg, as novel green high-activity mineral blending material;
Step 12:It is broken that step 10 gained particle diameter 20-31.5mm fragments of brick particle carries out three-level vertical impact crusher, is crushed to 0- 5mm particle diameters, gather materials, and carry out step 18 as being conserved in mortar, concrete;It is broken that dust arrester installation collects the three-level vertical impact crusher During the dust granules that produce, gained dust granules are stored to inertia micro mist tank;
Step 13:Step 9 gained concrete block carry out two grades screening, be divided into particle diameter more than 31.5mm, 0-5mm, 5-20mm, The part concrete particles of 20-31.5mm tetra-, wherein, particle diameter is again introduced into step 8 more than 31.5mm particles;Particle diameter 0-5mm, 5- The part concrete particle of 20mm, 20-31.5mm tri- is used as regenerative bone material by concrete;Particle diameter 0-5mm concrete regeneratings obtained by wherein Particles of aggregates carries out step 18;
Step 14:Building solid waste to step 6 gained particle diameter 15-45mm and more than 85mm uses light materials separator again respectively It is secondary sort out the light materials such as rag, timber, plastics after, then carry out the glass that by optical scanner color selection by winnowing, sub-elects and enter Step 19;Remainder carries out that two grades of reaction types are broken, iron removal by magnetic separation, light materials are separated successively, is carried out subsequently into step 15 Two grades of screenings;Wherein, iron, light materials enter step 17;Dust arrester installation collects what is produced in two grades of reaction type shattering processes Dust granules, gained dust granules are stored to inertia micro mist tank;
Step 15:After the remaining solid waste of step 14 carries out two grades of screenings, sieve as particle diameter is more than 31.5mm, 0-5mm, 5- The part of 20mm, 20-31.5mm tetra-;Wherein, part of the particle diameter more than 31.5mm enters step 16;Particle diameter 0-5mm, 5-20mm and 20-31.5mm parts are as the common regeneration aggregate of different gradation, and the common regeneration aggregates of particle diameter 0-5mm carry out step 18;
Step 16:Part of the step 15 gained particle diameter more than 31.5mm carries out three-level cone crusher, magnetic separation removing and gives up successively Metal, three-level screening, obtain particle diameter respectively in 0-5mm, the high-strength high quality recycled aggregates of 5-20mm, 20-31.5mm;And particle diameter The high quality recycled aggregates of 0-5mm carry out step 18;
Step 17:Collected Classification of materials is recycled, and metal recovery is processed as steel, and process in plastics is plastics Grain, timber is directly recycled, and other pyrogenation and carbonization vaporizing systems carry out step 19 for fuel gas, glass;
Step 18:Conserving material, the common regeneration aggregate of particle diameter 0-5mm, grain in mortar, concrete to particle diameter 0-5mm The high quality recycled aggregates of footpath 0-5mm are respectively adopted air sieve and carry out gumming, make wherein quality of the particle diameter less than 0.075mm fine powders Content is less than 12%, and particle diameter enters inertia micro mist tank less than 0.075mm fine powders, as inorganic mixture powder body material.
Step 19:Gained glass carries out combination grinding, and grinding specific grain surface product is more than 350m2/ kg, as novel green Repeat glass micro mist high-activity mineral blending material.
Therefore, the present invention produces High-performance green admixture, high-strength and high performance by using this best quality handling process The added value product high such as aggregate, interior conserving material, for regeneration treatment, Operating profit improves in enterprise, greatly promotes building solid waste money Sourceization obtains important breakthrough using progress.
The above is only the preferred embodiment of the present invention, it is noted that come for one of ordinary skill in the art Say, without departing from the concept of the premise of the invention, can also make some modifications and variations, these belong to of the invention Protection domain.

Claims (10)

1. it is a kind of to build solid waste best quality handling process, it is characterised in that to mainly include the following steps that:
(1) building solid waste is air-dried in closing stockyard, it is ensured that building solid waste moisture content is maintained at less than 10%;Then carry out Preliminary manual sorting;
(2) the residue building solid waste after the preliminary manual sorting of step (1) is delivered to heavy stripping sieve, screens out the clod for mixing, Then oscillating feeder is delivered to again, wherein 0~80mm particle diameters building solid waste is directly entered one-level screening, other parts carry out one It is broken into one-level after level manual sorting, particle diameter is substantially remained in 100~below 150mm, then magneticly elect old metal and enter Two grades of manual sortings of row;
(3) it is particle diameter 0-15mm, 15-45mm, 45-65mm, 65-85mm and 85mm by step (2) gained building solid waste screening Five parts of the above;Wherein, the part of particle diameter 0-15mm is directly as gardens soil or filling soil;Remainder sub-elects light thing Matter;
(4) color sorting is carried out to step (3) gained particle diameter 45-65mm, 65-85mm building solid waste, realizes brick and concrete More than 90% separation;
(5) brick and concrete for being sub-elected to step (4) carry out two-stage crushing, magneticly elect old metal and light materials point successively respectively From, two grades screening;Wherein, brick is divided into particle diameter 20-31.5mm, more than 31.5mm and 20mm three below after two grades are sieved Part, then the brick of below particle diameter 20mm directly carry out combination grinding, prepare surface area more than 350m2The high-activity mineral of/kg Admixture, the brick of particle diameter 20-31.5mm is crushed by three-level and prepares conserving material, particle diameter in the mortar of particle diameter 0-5mm, concrete The brick of more than 31.5mm carries out step (5) again;Concrete is prepared as particle diameter in 0-5mm by two grades of screenings, 5-20mm and The common regeneration aggregate of 20-31.5mm, the concrete of more than particle diameter 31.5mm is again introduced into step (5);
(6) color selection by winnowing is carried out to step (3) gained particle diameter 15-45mm, more than 85mm building solid wastes, after sub-electing glass, according to It is secondary carry out two-stage crushing, magneticly elect old metal and selection by winnowing go out light materials, two grades screening, it is particle diameter 0-5mm, 5-20mm, 20- to sieve The part of the common regeneration aggregates of 31.5mm and more than particle diameter 31.5mm;
(7) granule strength to step (6) gained more than particle diameter 31.5mm is higher, carry out that three-level is broken, magnetic separation removes old metal, Screening obtains particle diameter respectively in 0-5mm, the high-strength and high performance regeneration aggregate of 5-20mm, 20-31.5mm.
2. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that step (6) sorting The glass for going out, grinding to grinding specific grain surface product is more than 350m2/ kg, mixes as green regenerating glass micro mist high-activity mineral Close material.
3. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that all to crush, be sieving through Journey includes that one-level broken, one-level screening, two-stage crushing, two grades of screenings, three-level be broken, three-level screening, by dust arrester installation receipts Collection fine powder enters inertia micro mist tank, as inorganic mixture powder body material.
4. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that the one-level is broken for Jaw crushing;Two-stage crushing is broken for reaction type;Three-level is broken for that vertical impact crusher is broken or reaction type broken or circular cone is broken It is broken.
5. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that the old metal is reclaimed It is processed as steel.
6. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that in the light materials Process in plastics is plastic grain, and timber is directly recycled, and other light materials pyrogenation and carbonization vaporizing systems are for fuel gas.
7. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that the manual sorting goes out Be rag, plastics, glass, electric wire, reinforcing bar, timber.
8. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that grain in the step (5) 20mm following bricks in footpath carry out combination grinding, prepare high-activity mineral blending material, or particle diameter 20-31.5mm brick according to demand with The following bricks of particle diameter 20mm together carry out combination grinding.
9. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that described color sorting Recognized by optical scanner, and sprayed with high pressure nozzle;Described dry type sand washer is sieved using air.
10. one kind according to claim 1 builds solid waste best quality handling process, it is characterised in that gained particle diameter 0-5mm Mortar, conserving material in concrete, the common regeneration aggregate of particle diameter 0-5mm is respectively adopted dry type sand washer carries out gumming, make Wherein particle diameter is less than 12% less than the mass content of 0.075mm fine powders;Gained particle diameter enters inertia micro mist less than 0.075mm fine powders Tank, as inorganic mixture powder body material.
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CN108395129A (en) * 2018-04-18 2018-08-14 赵素军 A kind of production technology making clean recycled aggregate using construction waste
CN108751842A (en) * 2018-06-07 2018-11-06 西安理工大学 A kind of high-strength regeneration concrete and preparation method thereof adding waste and old cable
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CN108395129A (en) * 2018-04-18 2018-08-14 赵素军 A kind of production technology making clean recycled aggregate using construction waste
CN108751842A (en) * 2018-06-07 2018-11-06 西安理工大学 A kind of high-strength regeneration concrete and preparation method thereof adding waste and old cable
CN109127658A (en) * 2018-08-03 2019-01-04 庐江荣睿建设工程有限公司 A kind of building castoff recycling technique
CN109664406A (en) * 2018-11-28 2019-04-23 东莞理工学院 A kind of building castoff recycling treatment system
CN109485283A (en) * 2018-12-24 2019-03-19 深圳市绿志新型建材研究院有限公司 A kind of construction refuse resource processing method
CN110404931A (en) * 2019-07-29 2019-11-05 广州骏天科技有限公司 A kind of building solid castoff recycling classified use processing system
CN110404931B (en) * 2019-07-29 2020-08-18 广州骏天科技有限公司 Building solid waste recycling and classifying treatment system
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CN110668776B (en) * 2019-11-11 2021-12-31 杜世永 Method for preparing artificial sand, gravel and sand powder from solid waste residues
CN110668776A (en) * 2019-11-11 2020-01-10 杜世永 Method for preparing artificial sand, gravel and sand powder from solid waste residues
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