CN206613840U - A kind of preparation system of artificial class cobble - Google Patents
A kind of preparation system of artificial class cobble Download PDFInfo
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- CN206613840U CN206613840U CN201720221996.8U CN201720221996U CN206613840U CN 206613840 U CN206613840 U CN 206613840U CN 201720221996 U CN201720221996 U CN 201720221996U CN 206613840 U CN206613840 U CN 206613840U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
Abstract
The utility model provides a kind of preparation system of artificial class cobble, and the preparation system includes：One pretreatment unit, the pretreatment unit is connected with a screening plant, and the pretreatment unit includes a pre-sifted sub-agencies, an impurity removal mechanism and a crushing mechanism；One screening plant, the screening plant is connected with a photometric sorting device, and the screening plant includes the mechanism of a screening particle diameter；One photometric sorting device, the photometric sorting device is connected with a lapping device, and useless brick class aggregate is delivered to the lapping device by the photometric sorting device；One lapping device, including the useless brick class aggregate is ground to the reshaping device for obtaining artificial class cobble.The utility model mixes class building waste as raw material using discarded brick, and artificial class cobble is produced using the processing technology of science, and the utility model mixes class building waste to brick and carried out recycling, reduces environmental pollution and land seizure.
Description
Technical field
The utility model belongs to city field of solid waste resource utilization in field of Environment Protection, more particularly to a kind of artificial class cobble
Preparation system.
Background technology
Cobble mainly has natural pebble and mechanism cobble, and natural pebble is present in river course, hills etc. nature.Mechanism ovum
Stone is manually to gather building stones, made by the process such as machined broken, polishing.At present because coyoting sand and cobblestone are made
Into the serious slump in riverbank.In addition, the Lower Paleolithic such as marble, granite is exploited from mountain, need to repair the roads before exploitation, draw electricity etc.
A large amount of inputs of aspect, and a large amount of exploitations also destroy chevron looks, destroy ecological environment.
Building waste is the chief component of municipal refuse, accounts for the 30%~40% of municipal refuse total amount.Wherein, mix
Solidifying soil block and brickbat account for 80%~90%, are the main study subjects that construction refuse resource is utilized.To the year two thousand twenty, China is also
By the Yi ㎡ of newly-increased construction area about 300, the building waste total amount of generation is close to 1,800,000,000 t.Building waste is ground both at home and abroad at present
Study carefully using more options coagulation great soil group building waste, the regeneration research that class building waste is mixed to brick is relatively fewer, and brick mixes class and built
The recycling of building refuse is to developing a circular economy, environmental protection has great importance.
Utility model content
For drawbacks described above of the prior art, main purpose of the present utility model is to provide a kind of artificial class cobble
Preparation system, red artificial class cobble is gone out by Raw material processing of the mixed class building waste of useless brick, and mixing class building waste to brick has
The recycling of effect.
In order to achieve the above object, the technical solution adopted in the utility model is：A kind of preparation system of artificial class cobble,
The preparation system includes：
One pretreatment unit, the pretreatment unit is connected with a screening plant, and the pretreatment unit includes a pre-sifted
Sub-agencies, an impurity removal mechanism and a crushing mechanism；Brick is mixed the processing of class building waste and obtains Regenerated Bone by the pretreatment unit
Material, and the regeneration aggregate is delivered to the screening plant；
One screening plant, the screening plant is connected with a photometric sorting device, and the screening plant includes a screening grain
The mechanism in footpath；The screening plant sieves the regeneration aggregate, obtains recycled fine aggregate and regenerated coarse aggregate, and by described in again
Raw coarse aggregate is delivered to the photometric sorting device；
One photometric sorting device, the photometric sorting device is connected with a lapping device, and the photometric sorting device is by institute
Regenerated coarse aggregate photometric sorting is stated, discarded concrete class aggregate and useless brick class aggregate is obtained, and the useless brick class aggregate is conveyed
To the lapping device；
One lapping device, including the useless brick class aggregate is ground to the reshaping device for obtaining artificial class cobble.
As further preferably, the impurity removal mechanism includes：
One pneumatic separator, the pneumatic separator is used to mix brick class building waste progress selection by winnowing；
One magnetic separation mechanism, the magnetic separation mechanism is used to mix brick the progress magnetic separation of class building waste；
One artificial selection mechanism, the artificial selection mechanism is used to remove impurity elimination to the mixed class building waste progress hand picking of brick
Thing；
One hydraulic flotation mechanism, the hydraulic flotation mechanism is used to remove light weight sundries.
As further preferably, what the magnetic separation mechanism was selected is suspension type tramp iron separator, what the pneumatic separator was selected
It is blower fan,
As it is further preferably, the pre-sifted sub-agencies are to screen out in the sorting mechanism of dregs, the pre-sifted sub-agencies
Particle diameter is 0.075-10mm dregs.
As further preferably, what the crushing mechanism was selected is impact breaker, the crushing mechanism is used for will
It is 0.075-37.5mm that brick, which mixes class construction waste crushing to particle size range,.
As further preferably, the particle diameter of the recycled fine aggregate is 0.075-5mm, the particle diameter of the regenerated coarse aggregate
For 5-37.5mm.
As further preferably, the screening plant is vibrating screen classifier.
As further preferably, the lapping device is ball mill.
As further preferably, the preparation system also includes：
One inorganic mixture mixing device, the inorganic mixture mixing device and the screening plant and the photoelectricity
Sorting unit is connected, and the inorganic mixture mixing device includes the collection machine of recycled fine aggregate and discarded concrete class aggregate
Structure.
As further preferably, the inorganic mixture mixing device is also connected with the lapping device, described inorganic
Compound mixing device also includes the collecting mechanism of the useless brick class powder produced in grinding.
The beneficial effects of the utility model are：
(1) artificial class cobble preparation system of the present utility model, class building waste solid waste is mixed with the brick that city is removed
Thing is raw material, the device such as preprocessed, screening, photometric sorting, grinding, produces a kind of artificial class cobble aggregate, and it is green
Environment-friendly materials, the utility model method fully solves useless brick class construction refuse resource and utilizes the problems such as low, application is small,
Pollution of the solid waste to environment is reduced, natural mineral resource has been saved.
(2) the artificial class cobble aggregate of red of the utility model system processing has that bright-colored attractive in appearance, porosity is high, ratio
The advantages of surface area is big, regular shape, chemical property are stable, alternative natural pebble is applied to river course laying decoration, water body and repaiied
In the engineerings such as multiple, landscape water body purification.Not only there is abundant visual effect using colored cobble laying in river course laying, also
And it is detained stable soil body effect.Cobble is used in landscape water body purification and water remediation, may also function as filtration.
(3) the utility model system possess efficiently, the sorting impurity removal function of system.Contain substantial amounts of slag in building waste
The debris such as soil, waste plastics, useless fabric, culled wood, old metal, whole removal of impurities link had both realized the abundant exposure of debris, and not
As for by debris processing in small, broken bits, and then the removal efficiency of debris is influenceed, fully ensured that the quality of product.The utility model photoelectricity
Sort brick and mix separation function, it is ensured that the separation of different colours product, it is more flexible, convenient thereby using getting up.The utility model
Grinding shaping feature has carried out further optimization to material grain type, makes material shapes rule, and the loss of flood peak is small.
Brief description of the drawings
Fig. 1 is the structural representation of the preparation system of the artificial class cobble of the utility model embodiment 1.
Embodiment
The utility model is by providing a kind of preparation system of artificial class cobble, and it is raw material to mix class building waste using brick,
Turn waste into wealth, the artificial class cobble produced is a kind of green material, and the utility model not only reduces building waste pair
The pollution of environment, appropriation of land, and also the artificial class cobble produced is both artistic and practical, saves the natural minerals money of preciousness
Source, embodies sustainable characteristics of economic development.
In order to solve the above problems, the main thought of the utility model embodiment is：
The preparation system of the artificial class cobble of the utility model embodiment, it is characterised in that：The preparation system includes：
One pretreatment unit, the pretreatment unit is connected with a screening plant, and the pretreatment unit includes a pre-sifted
Sub-agencies, an impurity removal mechanism and a crushing mechanism；Brick is mixed the processing of class building waste and obtains Regenerated Bone by the pretreatment unit
Material, and the regeneration aggregate is delivered to the screening plant；
One screening plant, the screening plant is connected with a photometric sorting device, and the screening plant includes a screening grain
The mechanism in footpath；The screening plant sieves the regeneration aggregate, obtains recycled fine aggregate and regenerated coarse aggregate, and by described in again
Raw coarse aggregate is delivered to the photometric sorting device；
One photometric sorting device, the photometric sorting device is connected with a lapping device, and the photometric sorting device is by institute
Regenerated coarse aggregate photometric sorting is stated, discarded concrete class aggregate and useless brick class aggregate is obtained, and the useless brick class aggregate is conveyed
To the lapping device；
One lapping device, including the useless brick class aggregate is ground to the reshaping device for obtaining artificial class cobble.
Dregs content in below 10mm dregs, control product can be screened out before material is broken, it is ensured that product quality；It is described to remove
It is miscellaneous also to include removing the light weight sundries in material, old metal, or removable various debris are manually chosen, it can also remove
The impurity of lightweight and closed pore in material, such as foam concrete block.Product quality can be fully ensured that by impurity removed system.
Described crush the mixed class construction waste crushing of brick to particle size range is below 37.5mm, so that further screening is drawn
Recycled fine aggregate and regenerated coarse aggregate.
The photometric sorting obtains discarded concrete class aggregate and useless brick class aggregate, it is ensured that point of different colours product
From.
The useless brick class aggregate of the particle diameter 5-37.5mm for being ground to photometric sorting, through particle shaping to improve aggregate
Grain type, removes aggregate surface powder and aggregate corner angle, makes the aggregate grain round and smooth rule of type.Through particle optimize shaping after aggregate be
A kind of red artificial class cobble.Described artificial its regular shape of class cobble, beautiful appearance, porosity are high, specific surface area is big, biological
Adsorptivity is strong, the loss of flood peak is small, and chemical property is stable, is a kind of good filtering material and bioprosthetic material, alternative day
Right cobble is used for river course laying decoration, landscape water body is net and changes in water remediation engineering.
In order to which above and other purpose, feature and advantage of the utility model can be become apparent, number cited below particularly is real
Example is applied, to illustrate the preparation system of artificial class cobble described in the utility model.
Embodiment 1
The preparation system of the artificial class cobble of the utility model embodiment 1, the preparation system includes：
One pretreatment unit, the pretreatment unit is connected with a screening plant, and the pretreatment unit includes a pre-sifted
Sub-agencies, an impurity removal mechanism and a crushing mechanism；Brick is mixed the processing of class building waste and obtains Regenerated Bone by the pretreatment unit
Material, and the regeneration aggregate is delivered to the screening plant；
One screening plant, the screening plant is connected with a photometric sorting device, and the screening plant includes a screening grain
The mechanism in footpath；The screening plant sieves the regeneration aggregate, obtains recycled fine aggregate and regenerated coarse aggregate, and by described in again
Raw coarse aggregate is delivered to the photometric sorting device；
One photometric sorting device, the photometric sorting device is connected with a lapping device, and the photometric sorting device is by institute
Regenerated coarse aggregate photometric sorting is stated, discarded concrete class aggregate and useless brick class aggregate is obtained, and the useless brick class aggregate is conveyed
To the lapping device；
One lapping device, including the useless brick class aggregate is ground to the reshaping device for obtaining artificial class cobble.
The impurity removal mechanism includes：
One pneumatic separator, the pneumatic separator is used to mix brick class building waste progress selection by winnowing；
One magnetic separation mechanism, the magnetic separation mechanism is used to mix brick the progress magnetic separation of class building waste；
One artificial selection mechanism, the artificial selection mechanism is used to remove impurity elimination to the mixed class building waste progress hand picking of brick
Thing；
One hydraulic flotation mechanism, the hydraulic flotation mechanism is used to remove light weight sundries.
What the magnetic separation mechanism was selected is suspension type tramp iron separator, and what the pneumatic separator was selected is blower fan.Selection by winnowing is mainly gone
Except light weight sundries in material, magnetic separation mainly removes old metal in material, artificial selection and can remove various debris and selection by winnowing and magnetic separation
Fail the debris removed, hydraulic flotation mainly removes the impurity of lightweight and closed pore in material, such as foam concrete block.Pass through
Product quality can be fully ensured that by being closely connected each impurity removed system.
The pre-sifted sub-agencies are the sorting mechanism of dregs, can screen out below 10mm dregs.
What the crushing mechanism was selected is impact breaker, and brick mixes class building waste raw material through broken, material is crushed
To below 37.5mm.
The screening plant is vibrating screen classifier, and particle diameter≤37.5mm aggregates are delivered to vibratory sieve and sieved wherein,
The particle diameter screened out is less than 5mm construction refuse regenerated fine aggregate, available for the production of the recycled products such as mortar, building block.Screen out
Particle diameter 5-37.5mm construction refuse regenerated coarse aggregate enter next process continue optimize.Vibratory sieve sieve aperture interchangeable, can
Product cut size requirement is changed to vibratory sieve sieve aperture according to client.
The regenerated coarse aggregate that particle diameter is 5-37.5mm is separated through Vibration Screen, particle diameter is sub-elected for 5- through photometric sorter
37.5mm discarded concrete class aggregates and particle diameter are the useless brick class aggregates of 5-37.5mm, and wherein waste concrete class regenerated coarse aggregate can use
In the production of the reconstituted products such as concrete, inorganic material；Useless brick class aggregate delivers to next process and continues to optimize.
The lapping device is ball mill, for the useless brick class aggregate for the particle diameter 5-37.5mm for going out photometric sorting, through
Grain shaping removes aggregate surface powder and aggregate corner angle to improve aggregate grain type, makes the aggregate grain round and smooth rule of type.Optimize through particle
Aggregate after shaping is a kind of red artificial class cobble.
Embodiment 2
Similar to Example 1, the preparation system of the artificial class cobble of the utility model embodiment 2 includes：Pretreatment unit, sieve
Separating device, photometric sorting device and lapping device.Transport to the brick at the scene that handles mixes class building waste, in batches feeding to by
Hopper, building is removed by point miscellaneous mode of blanking such as dregs pre-screening, multiple magnetic separation, multistage pneumatic separation, artificial selection, hydraulic flotation
Dregs, debris and old metal in rubbish, it is ensured that product quality；By the way that two-stage is broken, multi-stage screening, obtains particle diameter and be less than
5mm construction refuse regenerated fine aggregate, available for the production of the recycled products such as mortar, building block；Particle diameter is thick for 5-37.5mm regeneration
Aggregate, discarded concrete class aggregate and useless brick class aggregate, wherein waste concrete class regenerated coarse aggregate are sub-elected through photometric sorter
The reconstituted products such as concrete, inorganic material can be used to as finished product to produce；Useless brick class regenerated coarse aggregate delivers to ball mill and carries out particle
Shaping, removes aggregate surface powder and aggregate corner angle, makes the round and smooth rule of aggregate grain type to improve aggregate grain type.Produced in process of lapping
Raw useless brick class powder can be applied to regeneration mortar production as finished product, and the aggregate after optimizing shaping through particle is a kind of red
Artificial class cobble, alternative natural pebble is applied in the engineerings such as river course laying decoration, water remediation, landscape water body purification.
The preparation system of the utility model embodiment 2 also includes：One inorganic mixture mixing device, the inorganic mixture is mixed
Attach together to put and be connected with the screening plant and the photometric sorting device, it is thin that the inorganic mixture mixing device includes regeneration
The collecting mechanism of aggregate and discarded concrete class aggregate.
The inorganic mixture mixing device is also connected with the lapping device, and the inorganic mixture mixing device is also wrapped
Include the collecting mechanism of the useless brick class powder produced in grinding.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
(1) artificial class cobble preparation system of the present utility model, class building waste solid waste is mixed with the brick that city is removed
Thing is raw material, the step such as preprocessed, screening, photometric sorting, grinding, produces a kind of artificial class cobble aggregate, and it is green
Environment-friendly materials, the utility model method fully solves useless brick class construction refuse resource and utilizes the problems such as low, application is small,
Pollution of the solid waste to environment is reduced, natural mineral resource has been saved.
(2) the artificial class cobble aggregate of red of the utility model processing has that bright-colored attractive in appearance, porosity is high, compare surface
The advantages of product is big, regular shape, chemical property are stable, alternative natural pebble is applied to river course laying decoration, water remediation, scape
See in the engineerings such as water body purification.Not only there is abundant visual effect using colored cobble laying in river course laying, it is also and stagnant
Stay stable soil body effect.Cobble is used in landscape water body purification and water remediation, may also function as filtration.
(3) the utility model possess efficiently, the sorting impurity removal function of system.Contain substantial amounts of dregs in building waste, give up
The debris such as plastics, useless fabric, culled wood, old metal, whole removal of impurities link had both realized the abundant exposure of debris, be unlikely to again by
Debris processing in small, broken bits, and then the removal efficiency of debris is influenceed, fully ensure that the quality of product.The utility model photometric sorting brick
Mixed separation function, it is ensured that the separation of different colours product, it is more flexible, convenient thereby using getting up.The utility model grinding is whole
Shape function has carried out further optimization to material grain type, makes material shapes rule, and the loss of flood peak is small.
Although having been described for preferred embodiment of the present utility model, those skilled in the art once know substantially
Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag
Include preferred embodiment and fall into having altered and changing for the utility model scope.Obviously, those skilled in the art can be with
Various changes and modification are carried out to the utility model without departing from spirit and scope of the present utility model.So, if this practicality
These new modifications and variations belong within the scope of the utility model claim and its equivalent technologies, then the utility model
It is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of preparation system of artificial class cobble, it is characterised in that：The preparation system includes：
One pretreatment unit, the pretreatment unit is connected with a screening plant, and the pretreatment unit includes a pre-sifted extension set
Structure, an impurity removal mechanism and a crushing mechanism；Brick is mixed the processing of class building waste and obtains regeneration aggregate by the pretreatment unit, and
The regeneration aggregate is delivered to the screening plant；
One screening plant, the screening plant is connected with a photometric sorting device, and the screening plant includes a screening particle diameter
Mechanism；The screening plant sieves the regeneration aggregate, obtains recycled fine aggregate and regenerated coarse aggregate, and the regeneration is thick
Aggregate is delivered to the photometric sorting device；
One photometric sorting device, the photometric sorting device is connected with a lapping device, described in the photometric sorting device general again
Raw coarse aggregate photometric sorting, obtains discarded concrete class aggregate and useless brick class aggregate, and the useless brick class aggregate is delivered into institute
State lapping device；
One lapping device, including the useless brick class aggregate is ground to the reshaping device for obtaining artificial class cobble.
2. the preparation system of artificial class cobble according to claim 1, it is characterised in that：The impurity removal mechanism includes：
One pneumatic separator, the pneumatic separator is used to mix brick class building waste progress selection by winnowing；
One magnetic separation mechanism, the magnetic separation mechanism is used to mix brick the progress magnetic separation of class building waste；
One artificial selection mechanism, the artificial selection mechanism is used to remove debris to the mixed class building waste progress hand picking of brick；
One hydraulic flotation mechanism, the hydraulic flotation mechanism is used to remove light weight sundries.
3. the preparation system of artificial class cobble according to claim 2, it is characterised in that：What the magnetic separation mechanism was selected is
Suspension type tramp iron separator, what the pneumatic separator was selected is blower fan.
4. the preparation system of artificial class cobble according to claim 1, it is characterised in that：The pre-sifted sub-agencies are dregs
Sorting mechanism, the dregs that particle diameter is 0.075-10mm is screened out in the pre-sifted sub-agencies.
5. the preparation system of artificial class cobble according to claim 1, it is characterised in that：What the crushing mechanism was selected is
Impact breaker, it is 0.075-37.5mm that brick is mixed class construction waste crushing to particle size range by the crushing mechanism.
6. the preparation system of artificial class cobble according to claim 1, it is characterised in that：The particle diameter of the recycled fine aggregate
For 0.075-5mm, the particle diameter of the regenerated coarse aggregate is 5-37.5mm.
7. the preparation system of artificial class cobble according to claim 1, it is characterised in that：The screening plant is vibratory sieve
Extension set.
8. the preparation system of artificial class cobble according to claim 1, it is characterised in that：The lapping device is ball milling
Machine.
9. the preparation system of artificial class cobble according to claim 1, it is characterised in that：The preparation system also includes：
One inorganic mixture mixing device, the inorganic mixture mixing device and the screening plant and the photometric sorting
Device is connected, and the inorganic mixture mixing device includes the collecting mechanism of recycled fine aggregate and discarded concrete class aggregate.
10. the preparation system of artificial class cobble according to claim 9, it is characterised in that：The inorganic mixture mix
Device is also connected with the lapping device, and the inorganic mixture mixing device also includes the useless brick class powder produced in grinding
Collecting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720221996.8U CN206613840U (en) | 2017-03-08 | 2017-03-08 | A kind of preparation system of artificial class cobble |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720221996.8U CN206613840U (en) | 2017-03-08 | 2017-03-08 | A kind of preparation system of artificial class cobble |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480358A (en) * | 2018-03-08 | 2018-09-04 | 中山大学 | A kind of scrap glass cracking and sorting recycling system and method |
| CN109604299A (en) * | 2018-11-23 | 2019-04-12 | 深圳市绿志新型建材研究院有限公司 | A kind for the treatment of process of brick mixed building waste |
| CN112742578A (en) * | 2020-12-22 | 2021-05-04 | 郑州一帆机械设备有限公司 | Building rubbish brick mixes separation and sorting system |
| CN114130469A (en) * | 2021-11-26 | 2022-03-04 | 赵光华 | Garbage classification and sorting processing system and processing method |
| CN114656182A (en) * | 2022-03-16 | 2022-06-24 | 河南建筑材料研究设计院有限责任公司 | Artificial pebble ceramsite |
-
2017
- 2017-03-08 CN CN201720221996.8U patent/CN206613840U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480358A (en) * | 2018-03-08 | 2018-09-04 | 中山大学 | A kind of scrap glass cracking and sorting recycling system and method |
| CN109604299A (en) * | 2018-11-23 | 2019-04-12 | 深圳市绿志新型建材研究院有限公司 | A kind for the treatment of process of brick mixed building waste |
| CN112742578A (en) * | 2020-12-22 | 2021-05-04 | 郑州一帆机械设备有限公司 | Building rubbish brick mixes separation and sorting system |
| CN114130469A (en) * | 2021-11-26 | 2022-03-04 | 赵光华 | Garbage classification and sorting processing system and processing method |
| CN114656182A (en) * | 2022-03-16 | 2022-06-24 | 河南建筑材料研究设计院有限责任公司 | Artificial pebble ceramsite |
| CN114656182B (en) * | 2022-03-16 | 2023-01-13 | 河南建筑材料研究设计院有限责任公司 | Artificial pebble ceramsite |
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