CN106830728B - A kind of building solid waste best quality treatment process - Google Patents
A kind of building solid waste best quality treatment process Download PDFInfo
- Publication number
- CN106830728B CN106830728B CN201611258205.5A CN201611258205A CN106830728B CN 106830728 B CN106830728 B CN 106830728B CN 201611258205 A CN201611258205 A CN 201611258205A CN 106830728 B CN106830728 B CN 106830728B
- Authority
- CN
- China
- Prior art keywords
- partial size
- solid waste
- level
- building solid
- broken
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002910 solid waste Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 60
- 239000004567 concrete Substances 0.000 claims abstract description 36
- 238000012216 screening Methods 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 22
- 238000000227 grinding Methods 0.000 claims abstract description 20
- 239000003595 mist Substances 0.000 claims abstract description 16
- 238000007885 magnetic separation Methods 0.000 claims abstract description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 12
- 239000011707 mineral Substances 0.000 claims abstract description 12
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000011449 brick Substances 0.000 claims description 33
- 239000004033 plastic Substances 0.000 claims description 28
- 229920003023 plastic Polymers 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 12
- 238000006757 chemical reactions by type Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 claims description 4
- 239000002737 fuel gas Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008016 vaporization Effects 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 229920002959 polymer blend Polymers 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 206010016256 fatigue Diseases 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- -1 rag Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C04B18/00—Use 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
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- 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
- C04B14/00—Use 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
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/22—Glass ; Devitrified glass
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0224—Screens, sieves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0268—Separation of metals
- B29B2017/0272—Magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
-
- 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
- Y02W30/62—Plastics recycling; Rubber recycling
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses a kind of building solid waste best quality treatment process, mainly comprises the steps that and is pre-processed in building solid waste stockyard, including air-dries, manual sorting；Remove mud powder, clod,, three-level screening, manual sorting broken by three-level, in conjunction with selection by winnowing, magnetic separation, color sorting, the different sorting technologies such as different hardness solid waste screening, utilize combination grinding and dry type washed-out sand technology, prepare 2 kinds of green New Mineral admixtures, partial size 0-5mm, the common recycled aggregate of 5-20mm and 20-31.5mm, partial size 0-5mm, the high-strength high quality recycled aggregates of 5-20mm and 20-31.5mm, maintenance is gathered materials 5 class high-quality, high added value reconstituted product and inertia micro mist and other sorting products in mortar, concrete.The present invention realizes the fining of building solid waste, the processing of high added value, reaches 100% resource utilization, obtains important breakthrough in building solid waste utilization of resources industry best quality processing.
Description
Technical field
The invention belongs to build solid wastes recycling utilization, the field of building materials, it is related to a kind of building solid waste best quality processing
Technique.
Background technique
With greatly developing for infrastructure construction in china, old building, road etc. are pulled down and removed a building for reconstruction, house, urban operating mechanism
It is created Deng extensive, produces the building solid waste of flood tide, according to statistics, the current annual output in China about at 2,000,000,000 tons or so, build by reserves
Solid waste is built about at 20,000,000,000 tons, causes the serious pollution of environment, soil, air, water resource.Building solid waste in China's is most at present
Based on landfill, it can not fundamentally solve the problems, such as the processing of building solid waste, waste a large amount of land resource.
China 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 processes 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 building solid wastes recycling system disposition
The problems such as technology, generally existing shortage system removal of impurities means, treatment effeciency be low, unstable product quality.It generally builds at present
Building fixed-end forces makes resource utilization only on the low value-added product such as regeneration brick, regenerative building block for recycled aggregate
Enterprise is difficult to produce a profit.The recycled aggregate crush index that generates simultaneously is also difficult to reach national standard and want containing miscellaneous, apparent density etc.
It asks, it is more difficult to be applied in concrete.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of build admittedly in view of the deficiency of the prior art
Useless best quality treatment process realizes the finer efficient sorting of building solid waste, realizes that best quality, high added value, performance are stable
Reconstituted product.
The present invention be solve the problems, such as it is set forth above used by technical solution are as follows:
A kind of building solid waste best quality treatment process, comprising the following steps:
(1) will building solid waste closing stockyard carry out it is air-dried, ensure as far as possible build solid waste moisture content be maintained at 10% or less；
Then preliminary manual sorting is carried out, sorts out rag, plastics, glass, electric wire, timber etc. as far as possible, is mitigated for follow-up separation
Pressure；
(2) the remaining building solid waste after step (1) sorting is delivered to heavy removing sieve, screens out the clod mixed, then
It is delivered to oscillating feeder again, 0~80mm partial size building therein solid waste part is directly entered level-one screening, other remaining portions
It is broken into level-one after dividing ancestor's work point to sort out the substances such as rag, plastics, glass, electric wire, timber, substantially remain in partial size
100~150mm goes out the light object such as rag, plastics, glass, electric wire, timber hereinafter, carrying out magnetic separation again and removing old metal and manual sorting
Matter；
(3) building solid waste obtained by step (2) is divided into partial size 0-15mm, 15-45mm, 45-65mm, 65-85mm and
Five parts 85mm or more；Wherein, the part of partial size 0-15mm is directly as gardens soil or filling soil；The light object of rest part
Matter separator sorts out the light materials such as rag, timber, plastics again；
(4) are built by solid waste and carries out color sorting by partial size 45-65mm obtained by step (3), 65-85mm, realize brick and coagulation
The sorting of 90% or more soil；
(5) brick and concrete sub-elected to step (4) successively carries out two-stage crushing respectively, magneticly elects old metal and selection by winnowing
Light materials separation, second level screening out；Wherein, brick is divided into partial size 20-31.5mm after second level is sieved, 31.5mm or more and
Three parts 20mm or less, then, partial size 20mm brick below directly carries out combination grinding, prepares surface area greater than 350m2/kg
Novel green high-activity mineral blending material, the brick of partial size 20-31.5mm by the broken mortar for preparing partial size 0-5mm of three-level,
Conserving material in concrete, the brick of partial size 31.5mm or more carry out step (5) again；Concrete is divided into grain after second level is sieved
Diameter, should respectively in the common recycled aggregate of 0-5mm, 5-20mm and 20-31.5mm and the concrete of partial size 31.5mm or more
The concrete of partial size 31.5mm or more step (5) again；
(6) color selection by winnowing is carried out to partial size 15-45mm, 85mm or more building solid waste obtained by step (3), sub-elects glass
Afterwards, it successively carries out two-stage crushing, magneticly elect old metal and selection by winnowing goes out light materials, second level screening, sieve as partial size 0-5mm, 5-
The part of the common recycled aggregate of 20mm, 20-31.5mm and partial size 31.5mm or more；
(7) higher to the granule strength of the part of partial size 31.5mm or more obtained by step (6), carry out two-stage crushing, magnetic separation
Remove old metal, screening obtains partial size respectively in 0-5mm, the high-strength and high performance recycled aggregate of 5-20mm, 20-31.5mm.
According to the above scheme, the glass that the step (6) sub-elects, grinding to grinding specific grain surface product are greater than 350m2/
Kg, as novel green repeat glass micro mist high-activity mineral blending material.
According to the above scheme, all broken, screening processes include broken level-one, level-one screening, two-stage crushing, second level sieve,
Broken, three-level screening of three-level etc., collects fine powder by dust arrester installation and enters inertia micro mist tank, be used as inorganic mixture powder material
Material.
According to the above scheme, the level-one is broken for jaw crushing；Two-stage crushing is broken for reaction type；Three-level is broken for vertical
Impact grinding or reaction type be broken or cone crusher.
According to the above scheme, the old metal recovery processing is steel.
According to the above scheme, manual sorting's rag, plastics, glass, electric wire, reinforcing bar, timber etc..
According to the above scheme, the light materials include rag, timber, plastics etc., and wherein process in plastics is plastic grain, timber
It directly recycles, other light materials pyrogenation and carbonization vaporizing systems are for fuel gas.
According to the above scheme, the following brick of partial size 20mm carries out combination grinding in the step (5), prepares novel green high activity
Mineral admixture or partial size 20-31.5mm and partial size 20mm brick below carry out combination grinding together according to demand.
According to the above scheme, color sorting is sorted by optical scanner, can be sorted glass, concrete, brick and be used high pressure
Nozzle is sprayed.
According to the above scheme, the mortar of gained partial size 0-5mm, in concrete conserving material, partial size 0-5mm common Regenerated Bone
Material can carry out gumming using dry type sand washer, and the mass content that wherein partial size is less than 0.075mm fine powder is made to be lower than 12%.Its
In, the partial size is less than 0.075mm fine powder and enters inertia micro mist tank, is used as inorganic mixture powder body material.And these partial sizes 0-
The recycled aggregate gumming of 5mm improves quality, while using dry type washed-out sand technique, avoids secondary pollution, saves water resource
According to the above scheme, the dry type sand washer is sieved using air.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention realizes building solid waste fining classification, realizes brick, weak concrete, strong concrete, glass
Etc. the big building solid waste of accountings fining classification, in combination with selection by winnowing, magnetic separation, manual sorting, color sorting realizes building admittedly
Useless 100% classification and 100% resource utilization；
(2) building solid waste best quality treatment process of the present invention produces mortar, concrete internal oxidition gathers materials and 2
Kind novel green high-activity mineral blending material can be used for the high-strength high-quality aggregate of regeneration of C40 or more strength concrete production, 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 generate secondary pollution.
(4) present invention realizes soil in building solid waste, mud removing, keeps subsequent crushing and screening highly efficient, not stifled broken
Machine and screening plant；Later period selection by winnowing is high-efficient.
Detailed description of the invention:
Fig. 1 is the process flow chart of building solid waste best quality treatment process of the present invention.
Specific embodiment
For a better understanding of the present invention, below 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
A kind of building solid waste best quality treatment process, comprising the following steps:
(1) will building solid waste closing stockyard carry out it is air-dried, ensure as far as possible build solid waste moisture content be maintained at 10% or less；
Then preliminary manual sorting is carried out, sorts out rag, plastics, glass, electric wire, reinforcing bar, timber etc. as far as possible, is follow-up separation
It eases off the pressure；
(2) the remaining building solid waste after step (1) sorting is delivered to heavy removing sieve, screens out the clod mixed, then
It is delivered to oscillating feeder again, 0~80mm partial size building therein solid waste part is directly entered level-one screening, other remaining portions
It point first carries out after level-one manual sorting goes out the substances such as rag, plastics, glass, electric wire, timber, it is broken into level-one Hubei Province formula, make grain
Diameter substantially remains in 100~150mm and goes out rag, plastics, glass hereinafter, carrying out magnetic separation again and removing old metal and second level manual sorting
The light materials such as glass, electric wire, timber；
(3) partial size obtained by step (2) substantially remains in 100~150mm building solid waste below, sieves as partial size 0-
15mm, 15-45mm, 45-65mm, 65-85mm and five parts 85mm or more；Wherein, the part of partial size 0-15mm is directly made
For gardens soil or filling soil；Use light object in the part of remaining partial size 15-45mm, 45-65mm, 65-85mm and 85mm or more
Matter separator sorts out the light materials such as rag, timber, plastics again；
(4) to partial size 45-65mm obtained by step (3), 65-85mm building solid waste is sorted with light materials separator again respectively
It out after the light materials such as rag, timber, plastics, then carries out sorting by optical scanner color respectively, realizes brick and concrete 90%
Above sorting；
(5) brick and concrete sub-elected to step (4) successively carries out second level reaction type respectively and is crushed, magneticly elects old metal
With selection by winnowing go out light materials separate, second level screening；Wherein, brick is divided into partial size 20-31.5mm, 31.5mm or more after second level is sieved
And three parts 20mm or less, then, partial size 20mm brick below directly carries out combination grinding, prepares surface area and is greater than
350m2The brick of the novel green high-activity mineral blending material of/kg, partial size 20-31.5mm passes through the broken preparation of three-level vertical impact crusher
Conserving material in partial size 0-5mm mortar, concrete, the brick of partial size 31.5mm or more carry out step (5) again；Concrete passes through two
It is divided into partial size respectively in the common recycled aggregate and partial size 31.5mm of 0-5mm, 5-20mm and 20-31.5mm after grade screening
Above concrete, the concrete of the partial size 31.5mm or more step (5) again；
(6) to partial size 15-45mm obtained by step (3), 85mm or more building solid waste uses light materials separator to divide again respectively
After sorting out the light materials such as rag, timber, plastics, then after sub-electing glass, successively carry out by optical scanner color selection by winnowing
Second level reaction type is crushed, magneticly elect old metal and selection by winnowing goes out light materials, second level screening, sieves as partial size 0-5mm, 5-20mm, 20-
The part of the common recycled aggregate of 31.5mm and partial size 31.5mm or more；
(7) higher to the granule strength of the part of partial size 31.5mm or more obtained by step (6), progress three-level cone crusher,
Magnetic separation removes old metal, three-level screening, obtains partial size respectively in 0-5mm, the high-strength high-quality of 5-20mm, 20-31.5mm regenerate
Aggregate；
(8) glass that step (6) sub-elects, grinding to specific grain surface product are greater than 350m2/ kg, again as novel green
Raw glass micro mist high-activity mineral blending material；
(9) conserving material carries out gumming using air sieve in the mortar of partial size 0-5mm, concrete obtained by, makes wherein partial size
Mass content less than 0.075mm fine powder is lower than 12%；The Gao Pin of the common recycled aggregate of gained partial size 0-5mm, partial size 0-5mm
Matter recycled aggregate carries out gumming using air sieve, and the mass content that wherein partial size is less than 0.075mm fine powder is made to be lower than 12%.Its
In, the partial size is less than 0.075mm fine powder and enters inertia micro mist tank, is used as inorganic mixture powder body material.
(10) other collection materials classification is also recycled, wherein old metal recovery processing is steel, process in plastics
For plastic grain, timber is directly recycled, other pyrogenation and carbonization vaporizing systems are for fuel gas.
(11) dust arrester installation is set, level-one Hubei Province formula in above-mentioned steps of collecting is crushed, level-one is sieved, second level reaction type is broken,
The processes such as second level screening, three-level impact grinding, three-level cone crusher generate fine powder and enter inertia micro mist tank, can be used as inorganic mixing
Expect powder body material.
Embodiment 2
A kind of building solid waste best quality treatment process, can be refined as following steps:
Step 1: building solid waste being pre-processed, carries out air-dried in closing stockyard, carries out preliminary manual sorting, sort out
Plastics, glass, electric wire, reinforcing bar, timber etc. enter step 17, the building solid waste after first manual sorting enters step 2；
Step 2: the building solid waste after the manual sorting is sent into hopper, is delivered to heavy removing sieve, screens out the clod mixed；
Then, oscillating feeder is delivered to by heavy type removing sieve, wherein the building solid waste of 0-80mm partial size is directly entered step 6, and
The building solid waste of 80mm or more partial size enters step 3；
Step 3: the building solid waste of 80mm or more partial size is subjected to level-one manual sorting, sort out rag, timber, plastics,
Electric wire etc. enters step 17, and the building solid waste of level-one manual sorting enters step 4；
Step 4: the building solid waste of level-one manual sorting carries out level-one Hubei Province formula and is crushed, and enters step 5 later；Dust arrester installation
The dust particles generated in level-one Hubei Province formula shattering process are collected, gained dust particles are stored to inertia micro mist tank；
Step 5: the broken building solid waste of level-one Hubei Province formula enters step 6 after carrying out second level manual sorting, magnetic separation；And two
Light materials (plastics, timber, rag etc.), electric wire that grade manual sorting goes out etc., the old metal magneticly elected enter step 17；
Step 6: building solid waste is classified by level-one screening plant, is divided into partial size 0-15mm, 15-45mm, 45-
Five parts 65mm, 65-85mm and 85mm or more, wherein the building solid waste of partial size 0-15mm is used as backfill or processing
Gardens soil；After carrying out light materials separation to four parts of partial size 15-45mm, 45-65mm, 65-85mm and 85mm or more, institute
Partial size 45-65mm is obtained, the part of 65-85mm enters step 7, and partial size 15-45mm and the part greater than 85mm enter step 14；And
The light materials such as rag, timber, the plastics isolated enter step 17；
Step 7: step 6 gained partial size 45-65mm and 65-85mm building solid waste carry out color sorting respectively, realize brick
It is separated with concrete block, then carries out step 8；
Step 8: carrying out second level reaction type respectively to brick and concrete block and be crushed, enter step 9 later；Dust arrester installation
The dust particles generated in the second level reaction type shattering process are collected, gained dust particles are stored to inertia micro mist tank；
Step 9: step 8 gained brick carries out iron removal by magnetic separation and light materials isolate rag, timber, plastics, electric wire etc.,
Enter 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, 13 are entered step；
Step 10: step 9 gained brick carries out second level screening, is divided into partial size greater than 31.5mm, 0-20mm, 20-31.5mm
Three parts brick particle, wherein partial size is greater than 31.5mm particle and is again introduced into step 8；Partial size 0-20mm particle carries out joint powder
Mill, grinding specific grain surface product are greater than 350m2/ kg, as novel green high-activity mineral blending material；Partial size 20-31.5mm
Grain enters step 12 or step 11 according to demand；
Step 11: step 10 gained partial size 20-31.5mm 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: step 10 gained partial size 20-31.5mm brick particle progress three-level vertical impact crusher is broken, is crushed to 0-
5mm partial size gathers materials as conserving in mortar, concrete, and carries out step 18；It is broken that dust arrester installation collects the three-level vertical impact crusher
The dust particles generated in the process, gained dust particles are stored to inertia micro mist tank；
Step 13: step 9 gained concrete block carry out second level screening, be divided into partial size greater than 31.5mm, 0-5mm, 5-20mm,
Tetra- part concrete particle of 20-31.5mm, wherein partial size is greater than 31.5mm particle and is again introduced into step 8；Partial size 0-5mm, 5-
20mm, 20-31.5mm three parts concrete particle are as regenerative bone material by concrete；Wherein gained partial size 0-5mm concrete regenerating
Particles of aggregates carries out step 18；
Step 14: the building solid waste to step 6 gained partial size 15-45mm and greater 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 sub-elected by optical scanner color selection by winnowing entrance
Step 19；Rest part successively carries out that second level reaction type is broken, the separation of iron removal by magnetic separation, light materials, carries out subsequently into step 15
Second level screening；Wherein, iron, light materials enter step 17；Dust arrester installation, which is collected, to be generated in the second level reaction type shattering process
Dust particles, gained dust particles are stored to inertia micro mist tank；
Step 15: after the remaining solid waste of step 14 carries out second level screening, sieving and be greater than 31.5mm, 0-5mm, 5- for partial size
Tetra- part 20mm, 20-31.5mm；Wherein, part of the partial size greater than 31.5mm enters step 16；Partial size 0-5mm, 5-20mm and
The part 20-31.5mm is as the common recycled aggregate of different gradation, and the common recycled aggregate of partial size 0-5mm carries out step 18；
Step 16: part of the step 15 gained partial size greater than 31.5mm successively carries out three-level cone crusher, magnetic separation is removed and given up
Metal, three-level screening, obtain partial size respectively in 0-5mm, the high-strength high quality recycled aggregates of 5-20mm, 20-31.5mm；And partial size
The high quality recycled aggregates of 0-5mm carry out step 18；
Step 17: collected Classification of materials is recycled, and metal recovery processing is steel, and process in plastics is plastics
Grain, timber directly recycle, other pyrogenation and carbonization vaporizing systems carry out step 19 for fuel gas, glass；
Step 18: to common recycled aggregate, the grain of conserving material, partial size 0-5mm in the mortar of partial size 0-5mm, concrete
The high quality recycled aggregates of diameter 0-5mm are respectively adopted air sieve and carry out gumming, and wherein partial size is made to be less than the quality of 0.075mm fine powder
Content is lower than 12%, and partial size is less than 0.075mm fine powder and enters inertia micro mist tank, is used as inorganic mixture powder body material.
Step 19: gained glass carries out combination grinding, and grinding specific grain surface product is greater than 350m2/ kg, as novel green
Repeat glass micro mist high-activity mineral blending material.
Therefore, the present invention, which passes through, utilizes this best quality treatment process, generates High-performance green admixture, high-strength and high performance
Aggregate, the high product of the added values such as interior conserving material improve Operating profit for regeneration treatment enterprise, greatly push building solid waste money
Sourceization obtains important breakthrough using progress.
The above is only a preferred embodiment of the present invention, it is noted that come for those of ordinary skill in the art
It says, without departing from the concept of the premise of the invention, several modifications and variations can also be made, these belong to of the invention
Protection scope.
Claims (10)
1. a kind of building solid waste best quality treatment process, it is characterised in that mainly comprise the steps that
(1) building solid waste is carried out in closing stockyard air-dried, it is ensured that building solid waste moisture content is maintained at 10% or less；Then it carries out
Preliminary manual sorting；
(2) the remaining building solid waste after the preliminary manual sorting of step (1) is delivered to heavy removing sieve, screens out the clod mixed,
Then it is delivered to oscillating feeder again, wherein 0-80mm partial size building solid waste is directly entered level-one screening, and other parts carry out one
It is broken into level-one after grade manual sorting, so that partial size is substantially remained in 100-150mm, then magneticly elects old metal and carry out second level
Manual sorting；
(3) building solid waste obtained by step (2) is sieved as partial size 0-15mm, 15-45mm, 45-65mm, 65-85mm and 85mm
Above five parts；Wherein, the part of partial size 0-15mm is directly as gardens soil or filling soil；Rest part sub-elects light object
Matter；
(4) are built by solid waste and carries out color sorting by partial size 45-65mm obtained by step (3), 65-85mm, realize brick and concrete 90%
Above separation；
(5) brick and concrete sub-elected to step (4) successively carries out two-stage crushing respectively, magneticly elects old metal and light materials point
From the screening of, second level；Wherein, brick is divided into partial size 20-31.5mm, 31.5mm or more and 20mm or less three after second level is sieved
Part, then partial size 20mm brick below directly carries out combination grinding, and preparation specific surface area is greater than 350 m2The high activity mine of/kg
The brick of polymer blends material, partial size 20-31.5mm passes through conserving material in the broken mortar for preparing partial size 0-5mm of three-level, concrete, grain
The brick of diameter 31.5mm or more carries out step (5) again；Concrete is sieved by second level, is prepared as partial size in 0-5mm, 5-20mm with
And the common recycled aggregate of 20-31.5mm, the concrete of partial size 31.5mm or more are again introduced into step (5)；
(6) color selection by winnowing is carried out to partial size 15-45mm, 85mm or more building solid waste obtained by step (3), after sub-electing glass, according to
Secondary progress two-stage crushing magneticly elects old metal and selection by winnowing goes out light materials, second level screening, sieves as partial size 0-5mm, 5-20mm, 20-
The part of the common recycled aggregate of 31.5mm and partial size 31.5mm or more；
(7) higher to the granule strength of partial size 31.5mm or more obtained by step (6), progress three-level is broken, magnetic separation removes old metal,
Screening obtains partial size respectively in 0-5mm, the high-strength and high performance recycled aggregate of 5-20mm, 20-31.5mm.
2. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that step (6) sorting
Glass out, grinding to grinding specific grain surface product are greater than 350m2/ kg is mixed as green regenerating glass micro mist high-activity mineral
Close material.
3. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that all to be crushed, be sieving through
Journey includes broken level-one, level-one screening, two-stage crushing, second level screening, three-level is crushed, three-level is sieved, and passes through dust arrester installation and receives
Collection fine powder enters inertia micro mist tank, is used as inorganic mixture powder body material.
4. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that the level-one 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 is broken or circular cone is broken
It is broken.
5. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that the old metal recycling
Processing is steel.
6. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that in the light materials
Process in plastics is plastic grain, and timber directly recycles, other light materials pyrogenation and carbonization vaporizing systems are for fuel gas.
7. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that the manual sorting goes out
Be rag, plastics, glass, electric wire, reinforcing bar, timber.
8. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that grain in the step (5)
The following brick of diameter 20mm carries out combination grinding, prepare the brick of high-activity mineral blending material or partial size 20-31.5mm according to demand with
The following brick of partial size 20mm carries out combination grinding together.
9. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that the color sorting
It is identified by optical scanner, and is sprayed with high pressure nozzle.
10. a kind of building solid waste best quality treatment process according to claim 1, it is characterised in that gained partial size 0-5mm
Mortar, conserving material in concrete, partial size 0-5mm common recycled aggregate dry type sand washer be respectively adopted carry out gumming, make
The mass content that wherein partial size is less than 0.075mm fine powder is lower than 12%；Gained partial size is less than 0.075mm fine powder and enters inertia micro mist
Tank is used as inorganic mixture powder body material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258205.5A CN106830728B (en) | 2016-12-30 | 2016-12-30 | A kind of building solid waste best quality treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258205.5A CN106830728B (en) | 2016-12-30 | 2016-12-30 | A kind of building solid waste best quality treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106830728A CN106830728A (en) | 2017-06-13 |
| CN106830728B true CN106830728B (en) | 2019-06-14 |
Family
ID=59112781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611258205.5A Active CN106830728B (en) | 2016-12-30 | 2016-12-30 | A kind of building solid waste best quality treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106830728B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569854A (en) * | 2018-03-30 | 2018-09-25 | 广东怡兴食品有限公司 | The application of building waste treatment process and gained recycled fine aggregate and reclaimed sand |
| CN111744941A (en) * | 2020-07-24 | 2020-10-09 | 北京建工资源循环利用投资有限公司 | Decoration garbage disposal method |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176699A (en) * | 2017-12-27 | 2018-06-19 | 新昌县隆豪轴承有限公司 | A kind of construction refuse regenerated production technology |
| CN108395129A (en) * | 2018-04-18 | 2018-08-14 | 赵素军 | A kind of production technology making clean recycled aggregate using construction waste |
| CN108751842B (en) * | 2018-06-07 | 2019-07-23 | 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 |
| CN110215988B (en) * | 2019-05-14 | 2024-05-03 | 交通运输部科学研究院 | Crushing and screening device |
| 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 |
| CN110354975A (en) * | 2019-08-08 | 2019-10-22 | 德庆县九市镇德鑫石矿有限公司 | A kind of manufacturing method for the bone building stones can be used for the autochthonal production of optimised coagulation |
| CN110743683A (en) * | 2019-09-29 | 2020-02-04 | 格林美（武汉）城市矿产循环产业园开发有限公司 | Scrap electric wire disassembling equipment |
| CN110668776B (en) * | 2019-11-11 | 2021-12-31 | 杜世永 | Method for preparing artificial sand, gravel and sand powder from solid waste residues |
| CN110947502B (en) * | 2019-12-23 | 2021-07-06 | 合肥学院 | Construction waste treatment device |
| CN111482256A (en) * | 2020-04-16 | 2020-08-04 | 湖州恒通机械设备有限公司 | Construction waste recycling process |
| CN112024105B (en) * | 2020-08-28 | 2022-03-25 | 重庆立洋环保科技发展有限公司 | Pretreatment method of solid inorganic hazardous waste |
| CN112238121A (en) * | 2020-09-07 | 2021-01-19 | 武汉雅洁净环境工程有限公司 | Method for stacking and centralized processing of construction waste |
| CN112845519A (en) * | 2020-12-31 | 2021-05-28 | 河北建筑工程学院 | Exquisite treatment process for building solid waste |
| CN113402181B (en) * | 2021-07-21 | 2022-08-02 | 深圳市鲲鹏环保科技有限公司 | Exquisite treatment process for building solid waste |
| CN114260287B (en) * | 2021-12-27 | 2023-03-07 | 中建生态环境集团有限公司 | Large-scale construction waste classification disposal process |
| CN114632798B (en) * | 2022-03-18 | 2023-04-11 | 上海市政工程设计研究总院（集团）有限公司 | Multistage pretreatment system and method for engineering muck |
| CN116237140A (en) * | 2023-02-03 | 2023-06-09 | 上海良延环保科技发展有限公司 | Comprehensive treatment process for building waste and complete equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103755188A (en) * | 2014-01-08 | 2014-04-30 | 大连泓元环保建筑材料有限公司 | Ecological treatment technology for construction waste |
| CN105461249A (en) * | 2016-02-01 | 2016-04-06 | 西安建筑科技大学 | Production technology and device for preparing recycled building materials through construction waste |
-
2016
- 2016-12-30 CN CN201611258205.5A patent/CN106830728B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103755188A (en) * | 2014-01-08 | 2014-04-30 | 大连泓元环保建筑材料有限公司 | Ecological treatment technology for construction waste |
| CN105461249A (en) * | 2016-02-01 | 2016-04-06 | 西安建筑科技大学 | Production technology and device for preparing recycled building materials through construction waste |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569854A (en) * | 2018-03-30 | 2018-09-25 | 广东怡兴食品有限公司 | The application of building waste treatment process and gained recycled fine aggregate and reclaimed sand |
| CN111744941A (en) * | 2020-07-24 | 2020-10-09 | 北京建工资源循环利用投资有限公司 | Decoration garbage disposal method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106830728A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106830728B (en) | A kind of building solid waste best quality treatment process | |
| CN209005920U (en) | A kind of cracking and sorting processing system of building waste | |
| CN102838307A (en) | Method and system for treating construction waste | |
| CN103406329A (en) | Method for comprehensively treating and utilizing household garbage incineration slag | |
| CN104722396B (en) | Comprehensive utilization method of magnetite-containing country rock | |
| CN1857782A (en) | Waste concrete component separating method | |
| CN204294609U (en) | A kind of fixed building rubbish process for producing line | |
| CN103664027A (en) | Method for preparing coal mine paste filling aggregate by using urban building waste as raw material | |
| CN109678378A (en) | A kind of application of building waste treatment process and gained recycled aggregate | |
| WO2014110845A1 (en) | Apparatus of combined grinding resource treatment system for construction waste residues, and using method thereof | |
| CN110078452B (en) | Inorganic binder manufactured by classifying and treating building solid waste regenerated aggregate and preparation method thereof | |
| CN107309253A (en) | Paint slag prepares macromolecule resin complex solid powder production technique and production line | |
| JP2022509901A (en) | Systems and methods for cleaning and grading particulate matter | |
| CN106746958B (en) | The preparation method that hollow concrete is laid bricks is prepared using discarded concrete | |
| CN105498903B (en) | A kind of discarded concrete prepares the system and device and method of reclaimed sand | |
| KR100358687B1 (en) | The constructive recycling methods and instruments of Reclaimed waste. | |
| CN112892819A (en) | Construction process for dry-method sand making production of cyclone machine | |
| CN108569854A (en) | The application of building waste treatment process and gained recycled fine aggregate and reclaimed sand | |
| CN106431041B (en) | One kind is construction refuse regenerated to utilize separating technology | |
| CN203112703U (en) | Building rubbish recycling product line | |
| CN205413889U (en) | Innoxious classification system of synthesizing of town and country domestic waste | |
| CN207276503U (en) | A kind of pilot plant that full recycled fine aggregate is prepared with building castoff | |
| CN216499932U (en) | Construction waste treatment production line | |
| CN102756073B (en) | Water glass old sand refurbishing equipment and process thereof for refurbishing old sand | |
| KR20040028023A (en) | a device for selection and crushing/fine crush of wastes construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |