CN104446077B - Separation method and separation system of waste concrete and rolling separator - Google Patents
Separation method and separation system of waste concrete and rolling separator Download PDFInfo
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- CN104446077B CN104446077B CN201410648143.3A CN201410648143A CN104446077B CN 104446077 B CN104446077 B CN 104446077B CN 201410648143 A CN201410648143 A CN 201410648143A CN 104446077 B CN104446077 B CN 104446077B
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- seperator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a separation method of waste concrete, a rolling separator and a separation system of waste concrete. The separation method comprises the following steps: step 1, preprocessing the waste concrete to remove impurities in the waste concrete and obtain a concrete block; step 2, crushing the concrete block into concrete particles; step 3, grinding the concrete particles according to the particle sizes, respectively, so that mortar and aggregate in the concrete particles can be separated from each other; and step 4, screening the product of step 3 into powder, fine aggregate and coarse aggregate, and collecting the powder, the fine aggregate and the coarse aggregate separately. The separation method of the waste concrete has the advantage that the coarse aggregate, the fine aggregate and the mortar powder in the waste concrete can be effectively separated from each other by grinding the concrete particles according to the particle sizes, respectively. The separation method of the waste concrete is good in separation effect, easy to operate, and good in energy-saving performance.
Description
Technical field
The present invention relates to concrete recycle, in particular it relates to a kind of separation method of discarded concrete, roll-in seperator and
The piece-rate system of discarded concrete.
Background technology
The amount of the waste and old concrete that the whole world is produced every year is very huge and in the trend for increasing year by year.And it is current, give up
Old concrete mainly using the processing mode that countryside is stacked or filled is transported to, does not only take up substantial amounts of soil, and causes environment
Pollution, even more to the serious waste of resource.
In the regenerative use technology of discarded concrete, generally physical treatment is carried out to discarded concrete, and made therein
Aggregate separated is out reused.This has not only saved cost, and reduces discarded concrete pollution on the environment.
In the prior art, in order that being separated from each other between the aggregate and mortar in discarded concrete, generally first will be useless
Concrete disintegrating is abandoned into fritter, mortar and coarse aggregate is separated from each other to a certain extent in the process, then sieved
To regeneration aggregate.
But this regeneration aggregate with mortar due to not being kept completely separate, therefore water absorption is larger and make the coagulation of preparation
Native poor-performing, while often in outer surface adhesion mortar during broken apart, and is produced from interface between mortar and coarse aggregate
The substantial amounts of micro-crack of life, makes that the regenerated aggregate concrete physical and mechanical property of preparation is poor, and strength grade is relatively low.
The content of the invention
It is an object of the invention to provide a kind of separation method of discarded concrete, the separation method can be according to concrete
The size of grain is rolled respectively and separated.
To achieve these goals, the present invention provides a kind of separation method of discarded concrete, wherein, the separation method bag
Include following steps：
Step one：Pretreatment is carried out to discarded concrete, the impurity in discarded concrete is removed and is obtained concrete block；
Step 2：The concrete block is smashed into into concrete particle；
Step 3：Rolled respectively according to the size of the concrete particle, so that in the concrete particle
Mortar be separated from each other with aggregate；
Step 4：The product screening of step 3 is powder body, fine aggregate and coarse aggregate and is collected respectively.
Preferably, the step one includes the artificial metal impurities and light impurities removed in discarded concrete.
Preferably, the step 2 also includes removing the impurity in the concrete particle, to remove impurity after the coagulation
Soil particle is sieved, and particle diameter is smashed again more than the concrete particle of preliminary dimension.
Preferably, the step 3 includes the value of the particle diameter according to the concrete particle respectively by the concrete particle
Send in multiple different rolling devices and rolled, multiple rolling devices are set with respectively default extruding force, when wherein
One rolling device detects the default extruding force of the value more than the rolling device of the extruding force to the concrete particle,
The rolling device is transported to the concrete particle in the rolling device that another processes bigger particle diameter.
It is a further object to provide a kind of roll-in seperator, wherein, the roll-in seperator includes housing and sets
The 2N roller in the housing is put, the 2N roller forms N number of roller pair, and the rotary shaft of the roller is in parallel to each other successively
It is disposed adjacent, the public tangent plane edge of two rollers of each roller pair is downward-sloping to the direction of 2N rollers from the first roller,
, to being provided with charging aperture on the housing of top, the gap between two rollers of the roller pair is from institute for first roller
State the first roller to N rollers to gradually increasing.
Preferably, the height of the rotary shaft of all rollers in the roll-in seperator from the first roller to 2N rollers by
Gradually reduce and copline ground is arranged, the radius size of all rollers is identical, the public tangent plane copline of each roller pair.
Preferably, between the i-th roller pair and i+1 roller pair between two rollers in gap and the i-th roller pair
Gap is equal, wherein, i=1,2 ..., N.
Preferably, N number of roller on the housing of lower section to being formed with discharging opening.
Preferably, the roller is to including reversible roller pair, the reversible roller is to including controller and from upstream under
Dynamometry roller and reversible roller that trip is disposed adjacent successively, the dynamometry roller and the reversible roller can be rotating around respective rotary shafts relatively
Rotation, and between the dynamometry roller and the reversible roller opposite segments linear velocity direction tangentially downwards,
The dynamometry roller can detect the extruding force that material is subject between the dynamometry roller and the reversible roller, and this is squeezed
Pressure is sent to the controller；
The controller is used to store default extruding force, and the extruding force is compared with the default extruding force,
When the extruding force is more than the default extruding force, the controller control reversible roller is reversely rotated and by the dynamometry
Material between roller and the reversible roller is transported to the roller pair in downstream.
Preferably, the roller pair also includes the roll adjustable pair in the downstream for being arranged on the reversible roller pair, and this is adjustable
To the fixing roller that includes being disposed adjacent successively from upstream to downstream and movable roll, the fixing roller and the movable roll can be respectively for roller
Relatively rotate around respective rotary shaft, and the linear velocity direction of the fixing roller and the movable roll opposite segments tangentially to
Under,
It is also formed with chute on the housing, the rotary shaft of the movable roll is arranged in the chute and can be along the cunning
Groove is translated and fixed relative to the chute.
Preferably, spring part and adjustment part are additionally provided with the chute, the adjustment part includes the fixed part being connected with each other
And adjusting lever, the adjusting lever extends relative to the fixed part towards the movable roll side, and the fixed part is fixedly installed on institute
In stating chute, one end of the spring part is connected with the rotary shaft of the movable roll, and the other end is connected with the adjusting lever, described
Adjusting lever can be adjusted relative to the extension elongation of the fixed part.
The present invention a kind of piece-rate system of discarded concrete is also provided, wherein, the piece-rate system include be sequentially connected to
Material mechanism, crushing mechanism, separating mechanism, screening mechanism and collecting mechanism, wherein,
The feeder is used to for the discarded concrete to be transported to the crushing mechanism；
The crushing mechanism is used to for the discarded concrete to smash into concrete particle；
The separating mechanism is used to be rolled respectively according to the size of the concrete particle, so that the coagulation
Mortar in soil particle is separated from each other with aggregate；
It is powder body, fine aggregate and coarse aggregate that the screening mechanism is used for the product screening of the separating mechanism；
The collection device is used to respectively be collected the powder body, fine aggregate and coarse aggregate.
Preferably, the feeder includes Bar strip type batcher, and the Bar strip type batcher is transported to discarded concrete
The crushing mechanism.
Preferably, the crushing mechanism include be sequentially connected impact breaker, tramp iron separator, separator for light impurities and
Rotary screen,
The impact breaker is used to for the discarded concrete to smash into the concrete particle；
The concrete particle sequentially passes through tramp iron separator to remove metal impurities, and separator for light impurities to remove lightweight
Impurity；
, through the screening of the rotary screen, particle diameter is less than or equal to the rotary screen for the concrete particle after remove impurity
The concrete particle of predetermined size enters into the separating mechanism, and particle diameter is described more than the predetermined size of the rotary screen
Concrete particle is sent back to the impact breaker.
Preferably, the separator for light impurities includes material blanking tube and light impurities collecting chamber, the light impurities collecting chamber
Connected by communicating pipe between the material blanking tube, the top of the material blanking tube is provided with charging aperture, and the bottom of the material blanking tube sets
Discharging opening is equipped with, on the material blanking tube between the charging aperture and discharging opening air inlet is additionally provided with, the air inlet and the blanking
Pipe is corresponding with the connected entrance of communicating pipe connection, air outlet is additionally provided with the light impurities collecting chamber, on the air outlet
It is provided with filter screen.
Preferably, the separating mechanism includes the roll-in seperator of the present invention.
Preferably, the screening mechanism include air screening machine, the air screening machine include air screening machine housing and
The vibrosieve being arranged in the air screening machine housing, the vibrosieve from first it is laterally opposed it is adjustable be sloped downwardly, it is described
Charging aperture is provided with the air screening machine housing above first side of vibrosieve, around the first side of the vibrosieve
Air inlet is additionally provided with the air screening machine housing, the air screening machine housing around the adjustable side of the vibrosieve
On be additionally provided with air outlet, be provided with fine aggregate discharging opening, powder body on the air screening machine housing below the vibrosieve
Discharging opening and coarse aggregate discharging opening.
Technical scheme can respectively be rolled according to the size of concrete particle such that it is able to be made
Coarse aggregate, fine aggregate and mortar powder in discarded concrete can be efficiently separated.By above-mentioned technical proposal, and the skill
Not only separating effect is preferable for art scheme, and easily operated and good energy saving property.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of description, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the separation method of discarded concrete according to the preferred embodiment of the present invention；
Fig. 2 is the schematic diagram of roll-in seperator according to the preferred embodiment of the present invention；
Fig. 3 is the schematic diagram of separator for light impurities according to the preferred embodiment of the present invention；
Fig. 4 is the schematic diagram of air screening machine according to the preferred embodiment of the present invention；
Fig. 5 is the schematic diagram of the piece-rate system of discarded concrete according to the preferred embodiment of the present invention.
Description of reference numerals
1 housing；2 dynamometry rollers；3 reversible rollers；4 fixing rollers；5 movable rolls；6 chutes；7 spring parts；8 adjustment parts；10 Bar strip types
Batcher；20 impact breakers；30 tramp iron separators；40 separator for light impurities；41 material blanking tubes；42 light impurities collecting chambers；50
Rotary screen；60 roll-in seperators；70 air screening machines；71 air screening machine housings；72 vibrosieves；73 charging apertures；74 air inlets；
75 air outlets；76 fine aggregate discharging openings；77 powder body discharging openings；78 coarse aggregate discharging openings.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
In the present invention, in the case where contrary explanation is not made, the noun of locality for using such as " upper and lower, left and right " is typically referred to
The orientation in a state of use such as device or mechanism, or combine accompanying drawing understanding；" upstream " refers to the structure camber being obliquely installed
The direction of the highly higher roller of the rotary shaft in higher direction, i.e. roller, with the first roller as most upstream, " downstream " refers to inclination
The relatively low direction of the structure camber of setting, the i.e. direction of the highly relatively low roller of the rotary shaft of roller, with 2N rollers as most
Downstream.
The present invention provides a kind of separation method of discarded concrete, wherein, the separation method is comprised the following steps：
Step one：Pretreatment is carried out to discarded concrete, the impurity in discarded concrete is removed and is obtained concrete block；
Step 2：The concrete block is smashed into into concrete particle；
Step 3：Rolled respectively according to the size of the concrete particle, so that in the concrete particle
Mortar be separated from each other with aggregate；
Step 4：The product screening of step 3 is powder body, fine aggregate and coarse aggregate and is collected respectively.
In the inventive solutions, in order to separate to discarded concrete, first to discarded mixed in step one
Solidifying soil carries out pretreatment, wherein, the step one includes the artificial metal impurities and light impurities removed in discarded concrete, i.e.,
It is artificial to remove the metal impurities in discarded concrete and light impurities.The metal impurities are often referred to reinforcing bar etc., and light impurities are then
Refer to the other materials of timber or color density less than concrete.And discarded concrete can also be carried out letter in step one
Singly crush, will the discarded concrete of bulk resolve into relatively small block.
Next concrete block is smashed into into concrete particle in step 2.The size of concrete particle herein is remote
Much smaller than concrete block, generally concrete block is smashed using breaker.Normally, need coagulation in step 2
The size controlling of soil particle carries out rolling separation within the scope of necessarily in order to step 3, and hereinafter this will be entered
Row is discussed in detail.
Produced concrete particle includes aggregate and the mortar being wrapped in outside aggregate in step 2.In step 3
In, by rolling to concrete particle, so as to the mortar outside aggregate be milled to become powder, and step 3
The middle size according to concrete particle is rolled respectively so that while rolling to concrete particle by aggregate according to
Size and be separated from each other.So, be not only able to be separated from each other aggregate with mortar powder, moreover it is possible to by aggregate separated be thin bone
Material and coarse aggregate.In step 4, the product of step 3 is collected respectively.
Technical scheme can respectively be rolled according to the size of concrete particle such that it is able to be made
Coarse aggregate, fine aggregate and mortar powder in discarded concrete can be efficiently separated.By above-mentioned technical proposal, and the skill
Not only separating effect is preferable for art scheme, and easily operated and good energy saving property.
Preferably, the step 2 also includes removing the impurity in the concrete particle, to remove impurity after the coagulation
Soil particle is sieved, and particle diameter is smashed again more than the concrete particle of preliminary dimension.
In step 2, it is likely to discharge the impurity in concrete block after concrete block is smashed, therefore
Preferably remove impurity is carried out again to concrete particle, and the concrete particle after remove impurity is sieved, and sieve concrete
It is preliminary dimension that the size of the screen cloth of grain can carry out as needed selecting, and cannot be led to more than the concrete particle of the mesh size
Cross screen cloth and be re-fed into breaker and smashed.
Preferably, the step 3 includes the value of the particle diameter according to the concrete particle respectively by the concrete particle
Send in multiple different rolling devices and rolled, multiple rolling devices are set with respectively default extruding force, when wherein
One rolling device detects the default extruding force of the value more than the rolling device of the extruding force to the concrete particle,
The rolling device is transported to the concrete particle in the rolling device that another processes bigger particle diameter.
In the preferred embodiment, concrete particle sent into according to particle diameter different rolling devices, or preferably
Ground can also be respectively fed to the different piece of same rolling device and be rolled, and the present invention is not any limitation as to this, herein for
It is easy to description, by taking multiple different rolling devices as an example, those skilled in the art can correspondingly understand and be adapted to other
In preferred implementation.
The plurality of rolling device is set with default extruding force, and also detects during rolling to concrete particle stone roller
The extruding force of pressure, its principle is, each rolling device roll gap be dimensioned to be applied to the coagulation of different-grain diameter
Soil particle, the default extruding force should be set to remove the mortar of aggregate outside attachment, and rolling device can not be made again
Roll rod and aggregate directly contact and damage and roll rod.
When actually detected extruding force is more than default extruding force, the aggregate size for illustrating concrete particle is rolled more than this
Device rolls the treatable size of gap institute, therefore the concrete particle can be transported to another process by the rolling device
In the rolling device of bigger particle diameter.So, all of concrete particle can not only be caused to be sufficiently separated as aggregate
With mortar powder, and can also by aggregate according to particle diameter separate so that fine aggregate and coarse aggregate are separated from each other.
Preferably, the step 4 includes separating mortar powder, fine aggregate and coarse aggregate using air screening machine.
The present invention also provides a kind of roll-in seperator, wherein, the roll-in seperator includes housing 1 and is arranged on the housing 1
In 2N roller, the 2N roller form N number of roller pair, and the rotary shaft of the roller is disposed adjacent successively in parallel to each other,
The public tangent plane of two rollers of each roller pair is along, first roller downward-sloping to the direction of 2N rollers from the first roller
, to being provided with charging aperture on the housing 1 of top, the gap between two rollers of the roller pair is from first roller for son
Son to N rollers to gradually increasing.
In the step of roll-in seperator of the present invention is used for the separation method of above-mentioned discarded concrete three.The roll-in seperator
In 2N roller be arranged side by side, the 2N roller forms N number of roller pair, between two rollers of each roller pair have one
Fixed gap, concrete particle is rolled to remove the mortar outside aggregate in the gap.Also, from the first roller to
N cupboards pair, the gap between each roller pair gradually increases.
It is separated from each other according to the size of particle diameter in roll-in seperator for the ease of concrete particle, it is preferable that the roll-in
The height of the rotary shaft of all rollers in seperator be gradually lowered to 2N rollers from the first roller and copline arrange, institute
There is the radius size of roller identical, the public tangent plane copline of each roller pair.
That is, the height of the rotary shaft of 2N roller is gradually lowered from roller to 2N rollers, and due to
The radius size of roller is identical, therefore 2N roller is arranged on public affairs tangent plane ground altogether, and the public tangent plane of the 2N roller is from the first roller
Son is to the downward-sloping plane of 2N rollers.
So, the first roller is to being provided with charging aperture on the housing 1 of top, concrete particle from after charging aperture entrance, grain
The larger concrete particle in footpath is rolled into the roller pair in downstream because weight is larger along the N number of roller pair being obliquely installed, and
The less concrete particle weight of particle diameter is less, then the roller pair of upstream is directly fallen in after blanking.In the work of roll-in seperator
When, the relative rotation of two rollers of each roller pair, so as to roll to the concrete particle between two rollers,
Hereinafter will describe in detail.
Preferably, between the i-th roller pair and i+1 roller pair between two rollers in gap and the i-th roller pair
Gap is equal, wherein, i=1,2 ..., N.
It is also to turn opposite between two adjacent rollers of two adjacent roller pairs, it is also possible to play to concrete
The effect that granule is rolled.
Preferably, N number of roller on the housing of lower section to being formed with discharging opening.In roll-in seperator, coagulation
Local product material is entered from the charging aperture of the top of housing 1, and through N number of roller to rolling, the product produced after rolling is from roller pair
Lower section housing 1 on formed discharging opening be discharged to outside roll-in seperator.
Preferably, the roller is to including reversible roller pair, the reversible roller is to including controller and from upstream under
Dynamometry roller 2 and reversible roller 3 that trip is disposed adjacent successively, the dynamometry roller 2 and the reversible roller 3 can be rotating around respective rotary shaft phases
Rotate over the ground, and between the dynamometry roller 2 and the reversible roller 3 opposite segments linear velocity direction tangentially downwards,
The dynamometry roller 2 can detect the extruding force that material is subject between the dynamometry roller 2 and the reversible roller 3, and will
The extruding force is sent to the controller；
The controller is used to store default extruding force, and the extruding force is compared with the default extruding force,
When the extruding force is more than the default extruding force, the controller controls the reversible roller 3 and reversely rotates and by the survey
Material between power roller 2 and the reversible roller 3 is transported to the roller pair in downstream.
In the roll-in seperator of the present invention, N number of roller pair includes reversible roller pair, and the reversible roller is to including survey
Power roller 2 and reversible roller 3, the dynamometry roller 2 is arranged on the rotation of the upstream of reversible roller 3, the i.e. rotary shaft of dynamometry roller 2 higher than reversible roller 3
Rotating shaft.
The dynamometry roller 2 relatively rotates with reversible roller 3 rotating around respective rotary shaft, i.e. the rotation of dynamometry roller 2 and reversible roller 3
Turn in opposite direction, and the linear velocity direction of relative part between dynamometry roller 2 and reversible roller 3, dynamometry roller 2 and reversible roller 3
Tangent line along roller circumference is downward.And the direction of rotation of adjacent two roller of two adjacent reversible rollers pair also conversely,
But its linear velocity direction along roller circumference tangent line upwards.
The dynamometry roller 2 can detect its pressure for being born.Because the rotary shaft of 2N roller is arranged on by bearing block
On the bearing of the inwall of housing 1, and, it is preferable that pin type pressure is set between the bearing block of dynamometry roller 2 and the bearing of housing 1
Force transducer.Additionally, the dynamometry roller 2 can also using in prior art other it is applicable by the way of carry out pressure measxurement.
In addition, the reversible roller pair also includes controller, the controller can receive the extruding force that dynamometry roller 2 is detected,
And be compared the extruding force with default extruding force in controller, only when extruding force is more than default extruding force, it was demonstrated that should
Grain of the particle diameter of the concrete particle between reversible roller pair more than the granule that the gap between the reversible roller pair can mill
Footpath, now controller control reversible roller 3 and reversely rotate, so as to by the excessive concrete of the particle diameter between dynamometry roller 2 and reversible roller 3
Granule is transported to the roller pair of the bigger concrete particle of particle diameter that can mill in downstream.
It is therefore preferred that in roll-in seperator, the first roller below the charging aperture of housing 1 to, continuously side by side
Ground arranges multiple reversible rollers pair.On the one hand, set with being highly gradually lowered by the rotary shaft from the first roller to 2N rollers
Put so that from the first roller to gradually increasing the particle diameter of handled concrete particle to N rollers；On the other hand, upstream
Reversible roller pair reversible roller 3 can counter-rotating and by particle diameter exceed its particle size range that can mill concrete particle
It is transported to the roller pair of the bigger concrete particle of particle diameter that can mill in downstream.
Preferably, the roller pair also includes the roll adjustable pair in the downstream for being arranged on the reversible roller pair, and this is adjustable
To the fixing roller 4 that includes being disposed adjacent successively from upstream to downstream and movable roll 5, the fixing roller 4 and the movable roll 5 can for roller
Relatively rotate rotating around respective rotary shaft, and the linear velocity direction edge of the fixing roller 4 and the opposite segments of the movable roll 5
Tangent line is downward,
It is also formed with chute 6 on the housing 1, the rotary shaft of the movable roll 5 is arranged in the chute 6 and can be along institute
State chute 6 to translate and fix relative to the chute 6.
In the roll-in seperator of the present invention, N number of roller pair includes roll adjustable pair, and the roll adjustable is to including solid
Fixed roll 4 and movable roll 5, the fixing roller 4 is arranged on the rotation of the upstream of movable roll 5, the i.e. rotary shaft of fixing roller 4 higher than movable roll 5
Rotating shaft.
The fixing roller 4 relatively rotates with movable roll 5 rotating around respective rotary shaft, i.e. the rotation of fixing roller 4 and movable roll 5
Turn in opposite direction, and the linear velocity direction of relative part between fixing roller 4 and movable roll 5, fixing roller 4 and movable roll 5
Tangent line along roller circumference is downward.
In roll adjustable pair, the rotary shaft of fixing roller 4 is arranged on the bearing of the inwall of housing 1 by bearing block, and is lived
The rotary shaft of dynamic roller 5 then can be translated along the chute 6 of housing 1.According to mentioned above, reversible roller is to can be excessive by particle diameter
Concrete particle is transported to the reversible roller pair in downstream, because the roll adjustable is to being arranged on the downstream of reversible roller pair, therefore
Last reversible roller can be reversely rotated with by size to the reversible roller 3 in the reversible roller of most downstream (be located to)
Roll adjustable pair is transported to more than the concrete particle of the particle diameter of the reversible roller to milling.
Gap between the fixing roller 4 and movable roll 5 of the roll adjustable centering can be by by the rotary shaft edge of movable roll 5
Chute 6 is translated and adjusted.Therefore, when there is the phenomenon such as concrete particle clamping stagnation between fixing roller 4 and movable roll 5, can be by
Movable roll 5 is translated and is secured in place along chute 6, so as to the concrete particle for avoiding hardness is bigger damages roller.
Preferably, spring part 7 and adjustment part 8 are additionally provided with the chute 6, the adjustment part 8 includes that what is be connected with each other consolidates
Determine portion and adjusting lever, the adjusting lever extends relative to the fixed part towards the side of the movable roll 5, the fixed part is fixedly installed
In the chute 6, one end of the spring part 7 is connected with the rotary shaft of the movable roll 5, and the other end connects with the adjusting lever
Connect, the adjusting lever can be adjusted relative to the extension elongation of the fixed part.
The embodiment of the rotation axial adjustment of a movable roll 5 is provided in the preferred embodiment.Wherein movable roll 5
Rotary shaft is connected with spring part 7, therefore when movable roll 5 is subject to the extruding force that concrete particle applies excessive, in order to avoid damaging
Bad movable roll 5, the rotary shaft of the movable roll 5 is moved towards the direction of extrusion spring part 7, i.e., the direction towards adjustment part 8 is moved；
And work as after gap of the concrete particle of clamping stagnation between fixing roller 4 and movable roll 5 fall, the rotary shaft of movable roll 5 is in spring
Reset in the presence of the restoring force of part 7.
Additionally, the adjusting lever in the adjustment part 8 can be adjusted relative to the length that fixed part stretches out, so as to adjust spring part
The pretightning force of 7 pairs of movable rolls 5.
The present invention a kind of piece-rate system of discarded concrete is also provided, wherein, the piece-rate system include be sequentially connected to
Material mechanism, crushing mechanism, separating mechanism, screening mechanism and collecting mechanism, wherein,
The feeder is used to for the discarded concrete to be transported to the crushing mechanism；
The crushing mechanism is used to for the discarded concrete to smash into concrete particle；
The separating mechanism is used to be rolled respectively according to the size of the concrete particle, so that the coagulation
Mortar in soil particle is separated from each other with aggregate；
It is powder body, fine aggregate and coarse aggregate that the screening mechanism is used for the product screening of the separating mechanism；
The collection device is used to respectively be collected the powder body, fine aggregate and coarse aggregate.
The piece-rate system of the present invention can realize the separation method of the discarded concrete of the present invention.Wherein, first to discarded
Concrete carries out pretreatment, and bulk will be divided into after discarded concrete remove impurity, then is mixed the discarded of the bulk by feeder
Solidifying soil is transported to crushing mechanism；Crushing mechanism is used to for discarded concrete to smash into concrete particle, with the side of separation of the invention
Step one in method is corresponding with step 2.
Separating mechanism is used to separate in the aggregate in concrete particle and mortar, with the step in the separation method of the present invention
Three is corresponding.Screening mechanism and collection device are corresponding with the step four in the separation method of the present invention.
Preferably, the feeder includes Bar strip type batcher 10, and the Bar strip type batcher 10 is defeated by discarded concrete
It is sent to the crushing mechanism.The Bar strip type batcher 10 has pre-screening function, can be by Impurity removals such as soil.
Preferably, the crushing mechanism includes that the impact breaker 20 being sequentially connected, tramp iron separator 30, light impurities are separated
Device 40 and rotary screen 50,
The impact breaker 20 is used to for the discarded concrete to smash into the concrete particle；
The concrete particle sequentially passes through tramp iron separator 30 and is removed with removing metal impurities, and separator for light impurities 40
Light impurities；
, through the screening of the rotary screen 50, particle diameter is less than or equal to the rotary screen for the concrete particle after remove impurity
The concrete particle of 50 predetermined size enters into the separating mechanism, predetermined size of the particle diameter more than the rotary screen 50
The concrete particle be sent back to the impact breaker 20.
In the preferred implementation of this crushing mechanism, impact breaker 20 is used for will be larger-size block discarded mixed
Solidifying soil smashes into concrete particle, and will be separated from block discarded concrete in shattering process using tramp iron separator 30
Metal impurities remove, and also with separator for light impurities 40 remove light impurities.
The screen size of the screen cloth of rotary screen 50 can be arranged as required to the size for predetermined size, therefore be less than afterwards
Or separating mechanism could be entered by rotary screen 50 equal to the concrete particle of the predetermined size, and particle diameter is more than rotary screen 50
Predetermined size concrete particle send back to impact breaker 20 re-start it is broken, until particle diameter is reduced to can pass through
Till the sieve aperture of rotary screen 50.
It should be noted that the crushing mechanism can also select other structures of the prior art to implement, the present invention is simultaneously
It is not limited to above-mentioned concrete structure.
Preferably, the separator for light impurities includes material blanking tube 41 and the light impurities collection connected with the material blanking tube 41
Chamber 42, the top of the material blanking tube 41 is provided with charging aperture, and the bottom of the material blanking tube 41 is provided with discharging opening, in the charging aperture and
Air inlet is additionally provided with material blanking tube 41 between discharging opening, the air inlet is corresponding with the light impurities collecting chamber 42, described
Air outlet is additionally provided with light impurities collecting chamber 42, on the air outlet filter screen is provided with.
A kind of embodiment of separator for light impurities is provided in the preferred embodiment.Including light impurities
Concrete particle is entered in material blanking tube 41 from the charging aperture of material blanking tube 41, and the device such as air inlet and air compressor is connected, from
And in material blanking tube 41 fall concrete particle blowing, due to the proportion of light impurities it is little and lightweight so that light impurities
Separate from concrete particle and entered in communicating pipe by the connected entrance connected with communicating pipe on material blanking tube 41, and finally enter
Enter light impurities collecting chamber, and the moving air is flowed out by the air outlet on light impurities collecting chamber 42, and set on air outlet
The filter screen put is prevented from moving air and brings impurity and dust etc. in band outside air into.
Wherein, the bottom of the light impurities collecting chamber 42 is preferably formed with light impurities discharging opening, so that this is light
The light impurities collected in matter impurity collecting chamber 42 are discharged.Additionally, in connection material blanking tube 41 and the company of light impurities collecting chamber 42
Adjustment plate can also be preferably set up at siphunculus, the adjustment plate can adjust moving air and enter in light impurities collecting chamber 42
Gas flowing angle, to adjust the impurity-eliminating effect to concrete particle as needed.
In addition, concrete particle preferably can be transported to the charging aperture of material blanking tube 41 by feed belt machine, and blanking
The lower section of the discharging opening of pipe 41 discharging belt conveyer can also be set to collect remove impurity after concrete particle and conveying carry out it is next
Individual PROCESS FOR TREATMENT.
Preferably, the separating mechanism includes roll-in seperator 60 of the present invention.
Preferably, the screening mechanism includes air screening machine 70, and the air screening machine 70 includes air screening machine housing
71 and the vibrosieve 72 that is arranged in the air screening machine housing 71, the vibrosieve 72 is lateral from first laterally opposed second
Lower inclination, on the air screening machine housing 71 above the first side of the vibrosieve 72 charging aperture 73 is provided with, described to shake
Move and air inlet 74 is additionally provided with the air screening machine housing 71 around the first side of sieve 72, the second of the vibrosieve 72
Air outlet 75, the air screening of the lower section of the vibrosieve 72 are additionally provided with the air screening machine housing 71 around side
Fine aggregate discharging opening 76, powder body discharging opening 77 and coarse aggregate discharging opening 78 are provided with casing body 71.
This preferred implementation provides a kind of embodiment of air screening machine 70.Wherein, the basis of air screening machine 70
The different specific weight of powder body, fine aggregate and coarse aggregate, different materials are separated using wind-force.The product produced by separating mechanism
Thing is entered in air screening machine from the charging aperture 73 of air screening machine housing 71, and is fallen in vibrosieve 72, the vibrosieve 72
It is sloped downwardly from the first laterally opposed second of the lower section of charging aperture 73.Also, vibration is fallen under charging aperture 73 in material
During sieve 72, the moving air entered in air screening machine housing 71 from air inlet 74 is by the powder body and aggregate in material
Separate, and the aggregate fallen in vibrosieve 72 according to coarse aggregate and varying in weight for fine aggregate the phase in inclined vibrosieve 72
Mutually separate, wherein heavier coarse aggregate along vibrosieve 72 inclined-plane slide downward and from the second side of air screening machine housing 71
Coarse aggregate discharging opening 78 falls, and fine aggregate then falls from the fine aggregate discharging opening 76 near the first side of air screening machine housing 71
Under, and powder body discharging opening 77 of the detached powder body then between fine aggregate discharging opening 76 and coarse aggregate discharging opening 78 falls from aggregate
Under.
Because the vibrosieve 72 in air screening machine 70 is obliquely arranged, therefore air screening machine housing 71 is also inclined
Shape, and the air inlet 74 and air outlet 75 on air screening machine housing 71 is arranged on the same height on air screening machine housing 71
On degree, consequently facilitating moving air is discharged to outside air screening machine housing 71.
It should be noted that between each mechanism of piece-rate system and device, can be by the transmission such as belt conveyor
Device is conveying material.
The preferred implementation of piece-rate system is more than only exemplified by, the present invention is not limited to this, any one in prior art
Planting applicable structure can be using in the present invention.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any can also be carried out between a variety of embodiments of the present invention, as long as it is without prejudice to this
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (15)
1. a kind of roll-in seperator, it is characterised in that the roll-in seperator includes housing (1) and is arranged in the housing (1)
2N roller, the 2N roller forms N number of roller pair, and the rotary shaft of the roller is disposed adjacent successively in parallel to each other, each
The public tangent plane of two rollers of roller pair is all along, first roller pair downward-sloping to the direction of 2N rollers from the first roller
Charging aperture is provided with the housing (1) of top, the gap between two rollers of the roller pair is from first roller
To N rollers to gradually increasing；
The height of the rotary shaft of all rollers in the roll-in seperator is gradually lowered from the first roller to 2N rollers.
2. roll-in seperator according to claim 1, it is characterised in that the rotation of all rollers in the roll-in seperator
The height copline ground of rotating shaft is arranged, and the radius size of all rollers is identical, the public tangent plane copline of each roller pair.
3. roll-in seperator according to claim 1, it is characterised in that between the i-th roller pair and i+1 roller pair
Gap between two rollers of gap and the i-th roller pair is equal,
Wherein, i=1,2 ..., N.
4. roll-in seperator according to claim 1, it is characterised in that N number of roller is on the housing of lower section
It is formed with discharging opening.
5. roll-in seperator according to claim 1, it is characterised in that the roller is to including reversible roller pair, this can
Inverse roller is to the dynamometry roller (2) that is disposed adjacent successively including controller and from upstream to downstream and reversible roller (3), the dynamometry roller
(2) can relatively rotate rotating around respective rotary shaft with the reversible roller (3), and the dynamometry roller (2) and the reversible roller
(3) the linear velocity direction of opposite segments is tangentially downward between,
The dynamometry roller (2) can detect the extruding force that material is subject between the dynamometry roller (2) and the reversible roller (3), and
The extruding force is sent to into the controller；
The controller is used to store default extruding force, and the extruding force is compared with the default extruding force, works as institute
When stating extruding force more than the default extruding force, the controller control reversible roller (3) reversely rotates and by the dynamometry
Material between roller (2) and the reversible roller (3) is transported to the roller pair in downstream.
6. roll-in seperator according to claim 5, it is characterised in that the roller pair also includes being arranged on described reversible
The roll adjustable pair in the downstream of roller pair, the roll adjustable is to the fixing roller (4) that includes being disposed adjacent successively from upstream to downstream
With movable roll (5), the fixing roller (4) and the movable roll (5) can relatively rotate rotating around respective rotary shaft, and described solid
The linear velocity direction of fixed roll (4) and the movable roll (5) opposite segments is tangentially downward,
It is also formed with chute (6) on the housing (1), the rotary shaft of the movable roll (5) is arranged in the chute (6) and can
It is along the chute (6) translation and fixed relative to the chute (6).
7. roll-in seperator according to claim 6, it is characterised in that be additionally provided with spring part (7) in the chute (6)
With adjustment part (8), the adjustment part (8) includes the fixed part and adjusting lever being connected with each other, and the adjusting lever is relative to the fixed part court
Extend to the movable roll (5) side, the fixed part is fixedly installed in the chute (6), one end of the spring part (7)
It is connected with the rotary shaft of the movable roll (5), the other end is connected with the adjusting lever, the adjusting lever is relative to the fixed part
Extension elongation can adjust.
8. a kind of piece-rate system of discarded concrete, it is characterised in that feeder that the piece-rate system includes being sequentially connected, broken
Broken mechanism, separating mechanism, screening mechanism and collecting mechanism, wherein,
The feeder is used to for the discarded concrete to be transported to the crushing mechanism；
The crushing mechanism is used to for the discarded concrete to smash into concrete particle；
The separating mechanism is used to be rolled respectively according to the size of the concrete particle, so that the concrete
Mortar in grain is separated from each other with aggregate；
It is powder body, fine aggregate and coarse aggregate that the screening mechanism is used for the product screening of the separating mechanism；
The collection device is used to respectively be collected the powder body, fine aggregate and coarse aggregate；
The separating mechanism includes the roll-in seperator (60) according to any one in claim 1-7.
9. piece-rate system according to claim 8, it is characterised in that the feeder includes Bar strip type batcher
(10), discarded concrete is transported to the crushing mechanism by the Bar strip type batcher (10).
10. piece-rate system according to claim 8, it is characterised in that the crushing mechanism includes the counterattack being sequentially connected
Formula disintegrating machine (20), tramp iron separator (30), separator for light impurities (40) and rotary screen (50),
The impact breaker (20) by the discarded concrete for smashing into the concrete particle；
The concrete particle sequentially passes through tramp iron separator (30) and is removed with removing metal impurities, and separator for light impurities (40)
Light impurities；
, through the screening of the rotary screen (50), particle diameter is less than or equal to the rotary screen for the concrete particle after remove impurity
(50) concrete particle of predetermined size enters into the separating mechanism, and particle diameter is default more than the rotary screen (50)
The concrete particle of particle diameter is sent back to the impact breaker (20).
11. piece-rate systems according to claim 10, it is characterised in that the separator for light impurities includes material blanking tube
(41) and light impurities collecting chamber (42), connected by communicating pipe between the light impurities collecting chamber (42) and the material blanking tube (41)
Logical, the top of the material blanking tube (41) is provided with charging aperture, and the bottom of the material blanking tube (41) is provided with discharging opening, in the charging
Mouthful and the material blanking tube (41) between discharging opening on be additionally provided with air inlet, the air inlet and the material blanking tube (41) and the communicating pipe
The connected entrance of connection is corresponding, and on the light impurities collecting chamber (42) air outlet is additionally provided with, and filter is provided with the air outlet
Net.
12. piece-rate systems according to claim 8, it is characterised in that the screening mechanism includes air screening machine (70),
The air screening machine (70) includes air screening machine housing (71) and the vibration being arranged in air screening machine housing (71)
Sieve (72), the vibrosieve (72) from first it is laterally opposed it is adjustable be sloped downwardly, the first side top of the vibrosieve (72)
The air screening machine housing (71) on be provided with charging aperture (73), the sky around the first side of the vibrosieve (72)
Air inlet (74) is additionally provided with air sifter extension set housing (71), the air screening around the adjustable side of the vibrosieve (72)
Air outlet (75) is additionally provided with casing body (71), is set on the air screening machine housing (71) below the vibrosieve (72)
It is equipped with fine aggregate discharging opening (76), powder body discharging opening (77) and coarse aggregate discharging opening (78).
13. a kind of separation methods of discarded concrete, it is characterised in that the separation method is comprised the following steps：
Step one：Pretreatment is carried out to discarded concrete, the impurity in discarded concrete is removed and is obtained concrete block；
Step 2：The concrete block is smashed into into concrete particle；
Step 3：Using the roll-in seperator described in any one in claim 1-7, according to the particle diameter of the concrete particle
Size is rolled respectively, so that the mortar in the concrete particle is separated from each other with aggregate；
Step 4：The product screening of step 3 is powder body, fine aggregate and coarse aggregate and is collected respectively.
14. separation methods according to claim 13, it is characterised in that the step one includes that artificial removing discards coagulation
Metal impurities and light impurities in soil.
15. separation methods according to claim 13, it is characterised in that the step 2 also includes removing the concrete
Impurity in granule, to remove impurity after the concrete particle sieve, and by particle diameter more than preliminary dimension the coagulation
Soil particle is smashed again.
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| CN201410648143.3A CN104446077B (en) | 2014-11-14 | 2014-11-14 | Separation method and separation system of waste concrete and rolling separator |
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| CN104446077B true CN104446077B (en) | 2017-05-17 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907153B (en) * | 2015-06-18 | 2017-05-24 | 陕西宝深机械(集团)有限公司 | Concrete member crushing machine |
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| CN107021657A (en) * | 2017-05-31 | 2017-08-08 | 福州大学 | A kind of device and method for preparing regenerated coarse aggregate |
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| FR3100137A1 (en) * | 2019-09-02 | 2021-03-05 | Fives Fcb | Process for dissociating different constituents of deconstruction concrete |
| CN112090492A (en) * | 2020-09-01 | 2020-12-18 | 安徽亿智新材料科技有限公司 | Waste metal screening equipment |
| CN113000179B (en) * | 2021-02-05 | 2022-10-04 | 张家界市经济开发区宏鑫建材有限公司 | Production process and production device of recycled concrete |
| CN113318515B (en) * | 2021-07-30 | 2021-11-02 | 青州中联水泥有限公司 | Concrete waste recycling system |
| CN114405644B (en) * | 2022-01-21 | 2023-09-26 | 上海山美环保装备股份有限公司 | Dry aggregate pre-sorting system and building-type sand making process system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040039627A (en) * | 2002-11-04 | 2004-05-12 | 충청환경산업 주식회사 | Stone crushing apparatus for reclamed sands manufacturing system |
| CN1857782A (en) * | 2006-06-01 | 2006-11-08 | 武汉理工大学 | Waste concrete component separating method |
| DE102008030484A1 (en) * | 2008-01-03 | 2009-08-20 | Karl-Otto Gericke | Roller breaker for breaking e.g. gravel, for producing self-compacting concrete in construction industry, has oscillating unit for oscillating breaker roller against another breaker roller, where rollers are rotatable in opposite directions |
| CN101543828A (en) * | 2009-04-15 | 2009-09-30 | 潍坊三建滨海建筑材料有限公司 | Method for producing concrete construction materials by using construction waste |
| CN101927258A (en) * | 2009-06-25 | 2010-12-29 | 常熟日新机械有限公司 | Mobile construction waste treatment device |
| CN101927257A (en) * | 2009-06-25 | 2010-12-29 | 常熟日新机械有限公司 | Fixed building rubbish treatment device |
| CN103351107A (en) * | 2013-05-30 | 2013-10-16 | 大连理工大学 | Method for low temperature separation of waste concrete |
| CN103880313A (en) * | 2012-12-20 | 2014-06-25 | 段胜 | Concrete aggregate regeneration apparatus |
-
2014
- 2014-11-14 CN CN201410648143.3A patent/CN104446077B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040039627A (en) * | 2002-11-04 | 2004-05-12 | 충청환경산업 주식회사 | Stone crushing apparatus for reclamed sands manufacturing system |
| CN1857782A (en) * | 2006-06-01 | 2006-11-08 | 武汉理工大学 | Waste concrete component separating method |
| DE102008030484A1 (en) * | 2008-01-03 | 2009-08-20 | Karl-Otto Gericke | Roller breaker for breaking e.g. gravel, for producing self-compacting concrete in construction industry, has oscillating unit for oscillating breaker roller against another breaker roller, where rollers are rotatable in opposite directions |
| CN101543828A (en) * | 2009-04-15 | 2009-09-30 | 潍坊三建滨海建筑材料有限公司 | Method for producing concrete construction materials by using construction waste |
| CN101927258A (en) * | 2009-06-25 | 2010-12-29 | 常熟日新机械有限公司 | Mobile construction waste treatment device |
| CN101927257A (en) * | 2009-06-25 | 2010-12-29 | 常熟日新机械有限公司 | Fixed building rubbish treatment device |
| CN103880313A (en) * | 2012-12-20 | 2014-06-25 | 段胜 | Concrete aggregate regeneration apparatus |
| CN103351107A (en) * | 2013-05-30 | 2013-10-16 | 大连理工大学 | Method for low temperature separation of waste concrete |
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Effective date of registration: 20170615 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: Changsha ZOOMLION Environmental Industry Co., Ltd. Address before: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu Lugu office building No. 288 room 3020 Co-patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Patentee before: Zoomlion Material Handling Equipment Co., Ltd. |