CN107902936A - A kind of production technology of building castoff regeneration aggregate - Google Patents
A kind of production technology of building castoff regeneration aggregate Download PDFInfo
- Publication number
- CN107902936A CN107902936A CN201710587923.5A CN201710587923A CN107902936A CN 107902936 A CN107902936 A CN 107902936A CN 201710587923 A CN201710587923 A CN 201710587923A CN 107902936 A CN107902936 A CN 107902936A
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- China
- Prior art keywords
- drying cylinder
- housing
- production technology
- water
- building castoff
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of production technology of building castoff regeneration aggregate, including：Removal of impurities：First the impurity in building castoff is removed with exclusion device；It is dry：Building castoff after removal of impurities is dried by dehydrating unit, ensures its moisture content below 8 percent；It is levigate：Dried building castoff is carried out by ball mill levigate, obtain fine powder；Screening：Then fine powder is screened by screening plant, filters out the regenerative powder that particle diameter is less than 0.15mm；Dry pack：Regenerative powder after screening is dried again, is finally packed.The present invention is effectively handled construction waste, regeneration aggregate is made, ecological, environmental protective, the recycling effect of waste can be improved, and resource can be maximally utilized, beautification life living environment, while pass through exclusion device, dehydrating unit, ball mill, screening plant and automatic packaging machine, it is convenient and efficient easy to improve the production efficiency that construction waste is converted into regeneration aggregate.
Description
Technical field
The present invention relates to building field, is specially the production technology that building castoff reprocessing is handled.
Background technology
Building castoff is also referred to as building waste, includes construction unit, unit in charge of construction is newly-built, renovating and enlarging and removes
Caused concrete block, crushed stone, brick during all kinds of buildings, structures, pipe network etc. and resident's decorations house
Watt fragment, waste mortar etc..
With the development of Process of Urbanization Construction, the building waste discharge capacity in engineering construction increases year by year, and its regeneration
Work progress is slow, causes its utilization rate all relatively low always, and landfill disposal rough at present occupies substantial amounts of land resource, no
Only wasting manpower and material resources carry out the maintenance in discharge place, and also vegetation, underground water are had an impact, cause the secondary pollution of environment.
Therefore the utilization orientation of building castoff how is extended, improves the utilization rate of building castoff, and then solve due to construction waste
Land resource and environmental problem caused by a large amount of discharges of thing, become government and the technical problem of solution is badly in need of in enviromental protection enterprise.
Therefore how a kind of production technology is provided, can effectively solve the problem that land resource caused by existing building waste and
Environmental problem, and enable building waste to repeat to recycle the enterprise as this area to be badly in need of the technical problem solved.
The content of the invention
The purpose of the present invention is in order to solve technical problem mentioned above, there is provided a kind of building castoff regeneration aggregate
The production technology of (or regenerative powder).
To achieve the above object, the present invention provides following technical solution：
A kind of production technology of building castoff regeneration aggregate (or regenerative powder), includes the following steps：
1) clean：First the impurity in building castoff is removed with exclusion device；
2) it is dry：Building castoff after removal of impurities is dried by dehydrating unit, ensures its moisture content percent
Less than eight；
3) it is levigate：Dried building castoff is carried out by ball mill levigate, obtain fine powder；
4) screen：Then fine powder is screened by screening plant, filters out the regenerative powder that particle diameter is less than 0.15mm；
5) dry pack：Regenerative powder after screening is dried again, is packed i.e. finally by packaging facilities
Can, complete whole production stage.
According to above-mentioned technical proposal, the exclusion device in the step 1) includes water tank, has belt conveyor in water tank
There are aggregate dewatering screen in low side, the high-end lower section of belt conveyor, have backgauge bucket and high pressure nozzle above the low side of belt conveyor
Group, the side of water tank are fixed with various articles collecting apparatus, have lightweight thing dewatering screen, high pressure nozzle below the outlet of various articles collecting apparatus
Material on group alignment belt conveyor；Water tank is communicated by return pipe, back water pump with water circulation recycling system, high pressure nozzle
Group is communicated by outlet pipe, water outlet pump with water circulation recycling system；Silt conveyer, silt conveyer are fixed in the bottom of water tank
One end be fixed with decelerating motor and automatic valve；High pressure nozzle group square is arranged.
According to above-mentioned technical proposal, the dehydrating unit in the step 2) includes the first drying cylinder and the second drying cylinder, the
There is the first air inlet and the first gas outlet on one drying cylinder, the second drying cylinder is equipped with the second air inlet and the second gas outlet,
The first pipeline is equipped between first gas outlet and the second air inlet, and the first gas outlet and the second air inlet pass through the first pipeline phase
Connection；First drying cylinder and the second drying cylinder bottom are respectively equipped with the first osculum and the second osculum；Set in first drying cylinder
There is the ceramic element being connected with the first air inlet, be equipped with filtration members at the first gas outlet, filtration members are equipped with filter cotton, and first
Drying cylinder and the second drying cylinder are vertically arranged, and the first gas outlet is located at the top of the first drying cylinder, and the second air inlet is positioned at the
The middle part of two drying cylinders, the second gas outlet are located at the top of the second drying cylinder, and the first osculum and the second osculum pass through the second pipe
Road is connected, and has the first water inlet, the second water inlet and water outlet, the first water inlet and the first osculum phase on second pipe
Connection, the second water inlet are connected with the second osculum, and water outlet is equipped with valve, this drying device includes base and housing,
There is the first recess and the second recess, the first drying cylinder is located in the first recess, and the second drying cylinder is located at the second recess on base
Interior, housing is fixed on the upside of base, and the first drying cylinder and the second drying cylinder are located at enclosure interior, and the present apparatus includes housing, and first
Drying cylinder and the second drying cylinder are located in housing, and housing is equipped with the first notch with the position correspondence of the first air inlet, housing
On be additionally provided with the second notch with the position correspondence of the second gas outlet, the present apparatus includes housing, the first drying cylinder and the second drying
For cylinder in housing, the present apparatus further includes the pressure gauge being connected with the first drying cylinder, the first drying cylinder and the second drying cylinder position
In in housing, there is the 3rd notch on housing, pressure gauge is fixed on the 3rd indentation, there.
According to above-mentioned technical proposal, in the step 3) adjusting of levigate machine rotational speed of ball-mill be divided into four sections, constant velocity stage plus
Fast boost phase, at the uniform velocity temperature rise period and deceleration buck stage.
According to above-mentioned technical proposal, the speed of the constant velocity stage is maintained at 30r/min, accelerates the average of boost phase to add
Speed is 8r/min；The speed of the at the uniform velocity temperature rise period is maintained at 300r/min, 5 DEG C/min of temperature-averaging heating rate；Temperature
Degree keeps 8-10min after being warming up to 200 DEG C；The rotating speed of the deceleration buck stage is first down to 200r/min, then keeps 15-
20min, temperature are down to 30 DEG C from 200 DEG C, and average rate of temperature fall is 4 DEG C/min.
According to above-mentioned technical proposal, the screening plant in the step 4) includes stent and is arranged on stent and can turn
Dynamic screen roller, screen roller include sieve and two blocks of side plates, and sieve is rolled into tubular and there are two to be open for both sides, two pieces
Side plate is individually fixed in two openings of sieve and closes opening；Screen roller section is in round, and side plate is in round, sieve rolling
The both sides of cylinder are provided with Edge-Transmission axis, and Edge-Transmission axis is separately fixed on two blocks of side plates and in screen roller both sides
Mandrel line position, cradle top is equipped with can be on axle bed certainly with the corresponding axle bed of Edge-Transmission shaft position, Edge-Transmission axis
Oneself rotates, and screen roller further includes：Feeding mouth, is opened in sieve or is opened in side plate, feeding mouth is lived by a cover board
Dynamic opening and closing, screening plant further include collection device, and collection device is arranged on below screen roller, and cradle top is equipped with funnel structure,
Collection device is arranged on below funnel structure.
According to above-mentioned technical proposal, the end of at least one Edge-Transmission axis has been bent to form crank.
According to above-mentioned technical proposal, the packaging facilities in the step 5) is automatic packaging machine.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is effectively handled construction waste, is made again
Raw aggregate (or regenerative powder), ecological, environmental protective, can improve the recycling effect of building castoff (building waste), Er Qieneng
Resource is maximally utilized, beautification life living environment, while by exclusion device, dehydrating unit, ball mill, screening plant and
Automatic packaging machine, it is convenient and efficient easy to improve the production efficiency that construction waste is converted into regeneration aggregate (or regenerative powder), it is convenient
Regeneration aggregate reuses.
Brief description of the drawings
Fig. 1 is the preparation flow figure of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of production technology of building castoff regeneration aggregate, include the following steps：
1) clean：First the impurity in building castoff is removed with exclusion device；
2) it is dry：Building castoff after removal of impurities is dried by dehydrating unit, ensures its moisture content percent
Less than eight；
3) it is levigate：Dried building castoff is carried out by ball mill levigate, obtain fine powder；
4) screen：Then fine powder is screened by screening plant, filters out the regenerative powder that particle diameter is less than 0.15mm；
5) dry pack：Regenerative powder after screening is dried again, is packed i.e. finally by packaging facilities
Can, complete whole production stage.
According to above-mentioned technical proposal, the exclusion device in the step 1) includes water tank, has belt conveyor in water tank
There are aggregate dewatering screen in low side, the high-end lower section of belt conveyor, have backgauge bucket and high pressure nozzle above the low side of belt conveyor
Group, the side of water tank are fixed with various articles collecting apparatus, have lightweight thing dewatering screen, high pressure nozzle below the outlet of various articles collecting apparatus
Material on group alignment belt conveyor；Water tank is communicated by return pipe, back water pump with water circulation recycling system, high pressure nozzle
Group is communicated by outlet pipe, water outlet pump with water circulation recycling system；Silt conveyer, silt conveyer are fixed in the bottom of water tank
One end be fixed with decelerating motor and automatic valve；High pressure nozzle group square is arranged.
According to above-mentioned technical proposal, the dehydrating unit in the step 2) includes the first drying cylinder and the second drying cylinder, the
There is the first air inlet and the first gas outlet on one drying cylinder, the second drying cylinder is equipped with the second air inlet and the second gas outlet,
The first pipeline is equipped between first gas outlet and the second air inlet, and the first gas outlet and the second air inlet pass through the first pipeline phase
Connection；First drying cylinder and the second drying cylinder bottom are respectively equipped with the first osculum and the second osculum；Set in first drying cylinder
There is the ceramic element being connected with the first air inlet, be equipped with filtration members at the first gas outlet, filtration members are equipped with filter cotton, and first
Drying cylinder and the second drying cylinder are vertically arranged, and the first gas outlet is located at the top of the first drying cylinder, and the second air inlet is positioned at the
The middle part of two drying cylinders, the second gas outlet are located at the top of the second drying cylinder, and the first osculum and the second osculum pass through the second pipe
Road is connected, and has the first water inlet, the second water inlet and water outlet, the first water inlet and the first osculum phase on second pipe
Connection, the second water inlet are connected with the second osculum, and water outlet is equipped with valve, this drying device includes base and housing,
There is the first recess and the second recess, the first drying cylinder is located in the first recess, and the second drying cylinder is located at the second recess on base
Interior, housing is fixed on the upside of base, and the first drying cylinder and the second drying cylinder are located at enclosure interior, and the present apparatus includes housing, and first
Drying cylinder and the second drying cylinder are located in housing, and housing is equipped with the first notch with the position correspondence of the first air inlet, housing
On be additionally provided with the second notch with the position correspondence of the second gas outlet, the present apparatus includes housing, the first drying cylinder and the second drying
For cylinder in housing, the present apparatus further includes the pressure gauge being connected with the first drying cylinder, the first drying cylinder and the second drying cylinder position
In in housing, there is the 3rd notch on housing, pressure gauge is fixed on the 3rd indentation, there.
According to above-mentioned technical proposal, in the step 3) adjusting of levigate machine rotational speed of ball-mill be divided into four sections, constant velocity stage plus
Fast boost phase, at the uniform velocity temperature rise period and deceleration buck stage.
According to above-mentioned technical proposal, the speed of the constant velocity stage is maintained at 30r/min, accelerates the average of boost phase to add
Speed is 8r/min；The speed of the at the uniform velocity temperature rise period is maintained at 300r/min, 5 DEG C/min of temperature-averaging heating rate；Temperature
Degree keeps 8-10min after being warming up to 200 DEG C；The rotating speed of the deceleration buck stage is first down to 200r/min, then keeps 15-
20min, temperature are down to 30 DEG C from 200 DEG C, and average rate of temperature fall is 4 DEG C/min.
According to above-mentioned technical proposal, the screening plant in the step 4) includes stent and is arranged on stent and can turn
Dynamic screen roller, screen roller include sieve and two blocks of side plates, and sieve is rolled into tubular and there are two to be open for both sides, two pieces
Side plate is individually fixed in two openings of sieve and closes opening；Screen roller section is in round, and side plate is in round, sieve rolling
The both sides of cylinder are provided with Edge-Transmission axis, and Edge-Transmission axis is separately fixed on two blocks of side plates and in screen roller both sides
Mandrel line position, cradle top is equipped with can be on axle bed certainly with the corresponding axle bed of Edge-Transmission shaft position, Edge-Transmission axis
Oneself rotates, and screen roller further includes：Feeding mouth, is opened in sieve or is opened in side plate, feeding mouth is lived by a cover board
Dynamic opening and closing, screening plant further include collection device, and collection device is arranged on below screen roller, and cradle top is equipped with funnel structure,
Collection device is arranged on below funnel structure.
According to above-mentioned technical proposal, the end of at least one Edge-Transmission axis has been bent to form crank.
According to above-mentioned technical proposal, the packaging facilities in the step 5) is automatic packaging machine.
Based on above-mentioned, it is an advantage of the current invention that the present invention is effectively handled construction waste, regeneration bone meal is made,
Ecological, environmental protective, can improve the recycling effect of waste, and can maximally utilize resource, beautification life inhabitation ring
Border, while by exclusion device, dehydrating unit, ball mill, screening plant and automatic packaging machine, easy to improve construction waste conversion
It is convenient and efficient to regenerate the production efficiency of bone meal.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
- A kind of 1. production technology of building castoff regeneration aggregate, it is characterised in that：Include the following steps：1) clean：First the impurity in building castoff is removed with exclusion device；2) it is dry：Building castoff after removal of impurities is dried by dehydrating unit, ensure its moisture content 8 percent with Under；3) it is levigate：Dried building castoff is carried out by ball mill levigate, obtain fine powder；4) screen：Then fine powder is screened by screening plant, filters out the regenerative powder that particle diameter is less than 0.15mm；5) dry pack：Regenerative powder after screening is dried again, is packed finally by packaging facilities, it is complete Into whole production stage.
- 2. production technology as claimed in claim 1, it is characterised in that：Exclusion device in the step 1) includes water tank, water There is the low side of belt conveyor in case, there are aggregate dewatering screen, the low side top of belt conveyor in the high-end lower section of belt conveyor There are backgauge bucket and high pressure nozzle group, the side of water tank is fixed with various articles collecting apparatus, has below the outlet of various articles collecting apparatus light Matter thing dewatering screen, high pressure nozzle group are directed at the material on belt conveyor；Water tank is circulated again sharp by return pipe, back water pump and water Communicated with system, high pressure nozzle group is communicated by outlet pipe, water outlet pump with water circulation recycling system；Mud is fixed in the bottom of water tank Husky conveyer, one end of silt conveyer are fixed with decelerating motor and automatic valve；High pressure nozzle group square is arranged.
- 3. production technology as claimed in claim 1, it is characterised in that：Dehydrating unit in the step 2) includes the first drying Cylinder and the second drying cylinder, have the first air inlet and the first gas outlet on the first drying cylinder, the second drying cylinder equipped with second into Gas port and the second gas outlet, are equipped with the first pipeline between the first gas outlet and the second air inlet, and the first gas outlet and second into Gas port is connected by the first pipeline；First drying cylinder and the second drying cylinder bottom are respectively equipped with the first osculum and the second draining Hole；The ceramic element being connected with the first air inlet is equipped with first drying cylinder, filtration members, filtration members are equipped with the first gas outlet Filter cotton is equipped with, the first drying cylinder and the second drying cylinder are vertically arranged, and the first gas outlet is located at the top of the first drying cylinder, Second air inlet is located at the middle part of the second drying cylinder, and the second gas outlet is located at the top of the second drying cylinder, the first osculum and second Osculum is connected by second pipe, has the first water inlet, the second water inlet and water outlet, the first water inlet on second pipe Mouth is connected with the first osculum, and the second water inlet is connected with the second osculum, and water outlet is equipped with valve, this drying device Including base and housing, there is the first recess and the second recess on base, the first drying cylinder is located in the first recess, the second drying Cylinder is in the second recess, and housing is fixed on the upside of base, and the first drying cylinder and the second drying cylinder are located at enclosure interior, the present apparatus Including housing, the first drying cylinder and the second drying cylinder are located in housing, and housing is equipped with and the position correspondence of the first air inlet First notch, the second notch with the position correspondence of the second gas outlet is additionally provided with housing, and the present apparatus includes housing, the first drying Cylinder and the second drying cylinder be located in housing, and the present apparatus further includes the pressure gauge being connected with the first drying cylinder, the first drying cylinder with Second drying cylinder is located in housing, has the 3rd notch on housing, and pressure gauge is fixed on the 3rd indentation, there.
- 4. production technology as claimed in claim 1, it is characterised in that：The adjusting of levigate machine rotational speed of ball-mill point in the step 3) For four sections, constant velocity stage, accelerate boost phase, at the uniform velocity temperature rise period and deceleration buck stage.
- 5. production technology as claimed in claim 4, it is characterised in that：The speed of the constant velocity stage is maintained at 30r/min, adds The average rate of fast boost phase is 8r/min；The speed of the at the uniform velocity temperature rise period is maintained at 300r/min, temperature-averaging 5 DEG C/min of heating rate；Temperature keeps 8-10min after being warming up to 200 DEG C；The rotating speed of the deceleration buck stage is first down to 200r/min, then 15-20min is kept, temperature is down to 30 DEG C from 200 DEG C, and average rate of temperature fall is 4 DEG C/min.
- 6. production technology as claimed in claim 1, it is characterised in that：Screening plant in the step 4) includes stent and sets The screen roller that on stent and can be rotated is placed in, screen roller includes sieve and two blocks of side plates, sieve are rolled into tubular and two Side has two openings, and two blocks of side plates are individually fixed in two openings of sieve and close opening；Screen roller section is in circle Type, side plate are in round, and the both sides of screen roller are provided with Edge-Transmission axis, and Edge-Transmission axis is separately fixed on two blocks of side plates simultaneously Axial centerline positioned at screen roller both sides, cradle top are equipped with and the corresponding axle bed of Edge-Transmission shaft position, edge Transmission shaft oneself can rotate on axle bed, and screen roller further includes：Feeding mouth, is opened in sieve or is opened in side plate, enter For material mouth by a cover board carry out activity opening and closing, screening plant further includes collection device, and collection device is arranged on below screen roller, branch Top of the trellis is equipped with funnel structure, and collection device is arranged on below funnel structure.
- 7. production technology as claimed in claim 6, it is characterised in that：The end of at least one Edge-Transmission axis has been bent to form Crank.
- 8. production technology as claimed in claim 1, it is characterised in that：Packaging facilities in the step 5) is automatic packaging Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587923.5A CN107902936A (en) | 2017-07-19 | 2017-07-19 | A kind of production technology of building castoff regeneration aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587923.5A CN107902936A (en) | 2017-07-19 | 2017-07-19 | A kind of production technology of building castoff regeneration aggregate |
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| Publication Number | Publication Date |
|---|---|
| CN107902936A true CN107902936A (en) | 2018-04-13 |
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ID=61840233
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710587923.5A Pending CN107902936A (en) | 2017-07-19 | 2017-07-19 | A kind of production technology of building castoff regeneration aggregate |
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| Country | Link |
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| CN (1) | CN107902936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824290A (en) * | 2019-03-29 | 2019-05-31 | 深圳市华威环保建材有限公司 | A kind of production method of engineering spoir recycled aggregate |
| CN109883147A (en) * | 2019-03-29 | 2019-06-14 | 深圳市华威环保建材有限公司 | A kind of building castoff dehydration kettle |
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| CN103848584A (en) * | 2012-12-03 | 2014-06-11 | 洛阳智超机电科技有限公司 | Co-production process for recycling micropowder and fine sands from construction wastes |
| CN104671716A (en) * | 2015-02-02 | 2015-06-03 | 深圳市华威环保建材有限公司 | Method for producing aerated concrete blocks with recycled micropowder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824290A (en) * | 2019-03-29 | 2019-05-31 | 深圳市华威环保建材有限公司 | A kind of production method of engineering spoir recycled aggregate |
| CN109883147A (en) * | 2019-03-29 | 2019-06-14 | 深圳市华威环保建材有限公司 | A kind of building castoff dehydration kettle |
| CN109883147B (en) * | 2019-03-29 | 2023-12-05 | 深圳市华威环保建材有限公司 | Construction waste dehydration reaction kettle |
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Application publication date: 20180413 |
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