CN113083461A - Method for preparing concrete by using construction waste - Google Patents
Method for preparing concrete by using construction waste Download PDFInfo
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- CN113083461A CN113083461A CN202110326674.0A CN202110326674A CN113083461A CN 113083461 A CN113083461 A CN 113083461A CN 202110326674 A CN202110326674 A CN 202110326674A CN 113083461 A CN113083461 A CN 113083461A
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 238000012216 screening Methods 0.000 claims abstract description 67
- 239000004575 stone Substances 0.000 claims abstract description 64
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- 238000001914 filtration Methods 0.000 claims description 10
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- 238000001125 extrusion Methods 0.000 claims description 5
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- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000010408 film Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
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- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
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- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000007723 transport mechanism Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 3
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- 230000009471 action Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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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
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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
- Y02W30/78—Recycling of wood or furniture waste
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a method for preparing concrete by utilizing construction waste, which comprises a conveying mechanism, a screening mechanism, a crushing mechanism and a distributing mechanism, wherein the conveying mechanism is respectively provided with the screening mechanism and the crushing mechanism; the invention solves the problems that when the construction waste is used for preparing the concrete raw material, large flexible thin film materials, large wood materials and special waste in the construction waste are separated through manual screening to screen out concrete raw materials such as stones, the process is complicated, the efficiency is low, screening operation cannot be effectively carried out, the stones contain impurity waste such as smaller plastics, thin films, wood materials, metal materials and the like, the subsequent use of recycled concrete preparation is not facilitated, the actual use requirements cannot be met, and the like.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a method for preparing concrete by utilizing construction waste.
Background
The construction waste refers to residue soil, waste material, sludge and other wastes generated in the process of constructing, laying, dismantling and repairing various buildings, structures, pipe networks and the like by construction, construction units or individuals, and is usually treated in a landfill mode, so that the occupied area is large, and the construction waste cannot be effectively utilized; meanwhile, the problems of scattering, dust, sand and the like in the processes of clearing and stacking cause serious environmental pollution; the production of recycled concrete by utilizing the construction wastes is an effective way for solving the environmental influence caused by the construction wastes;
after the construction waste is sieved, crushed, cleaned and graded, the construction waste is mixed with the grading according to a certain proportion, natural aggregates such as sand stones and the like are partially or completely replaced, and cement, water and the like are added to prepare new concrete; when the construction waste is used for preparing the concrete raw material at present, large flexible thin film materials, large wood materials and special waste in the construction waste are separated through manual screening, and concrete raw materials such as stones are screened, so that the process is complicated, the efficiency is low, and screening operation cannot be effectively carried out, so that the stones contain small impurity waste such as plastics, thin films, wood materials, metals and the like, the subsequent use of recycled concrete preparation is not facilitated, and the actual use requirement cannot be met; therefore, the invention provides a method for preparing concrete by using construction waste.
Disclosure of Invention
In order to achieve the above object, the present invention adopts the following technical scheme, wherein an apparatus for preparing concrete from construction waste is used, the apparatus comprises a conveying mechanism, a screening mechanism, a crushing mechanism and a distribution mechanism, and the concrete method for screening concrete from construction waste by using the apparatus comprises:
s1, manual preliminary screening: separating large flexible film materials, large timber substances and special garbage in the construction garbage through manual screening, and screening concrete raw materials such as stones and the like;
s2, distributing and screening: conveying the selected stone blocks in the step S1 by a distributing mechanism, so that small stone blocks, plastic blocks, thin films, wood plates and metal impurities are filtered and discharged, and concrete raw materials such as large stone blocks are discharged to the next process;
s3, crushing stone blocks: crushing the large stone blocks discharged in the step S2 into crushed particles by a crushing mechanism;
s4, filtering again: filtering the special garbage and the crushed stone which are sieved and dropped in the S2 through a sieving mechanism, so that the crushed stone is collected and discharged aiming at the special garbage;
s5, centralized collection: the crushed stone discharged from the step S3 and the crushed stone discharged from the step S4 are collected and conveyed by a conveying mechanism;
the conveying mechanism is respectively provided with a screening mechanism and a crushing mechanism, a distributing mechanism is arranged between the screening mechanism and the crushing mechanism, and the distributing mechanism is arranged on the conveying mechanism;
the conveying mechanism comprises a bottom plate, a conveying bracket, an auxiliary conveying unit, a conveying roller, a conveying belt and a rotating motor; the end face of the bottom plate is provided with a conveying support, a plurality of groups of auxiliary conveying units which are linearly distributed along the length direction of the conveying support are arranged on the end face of the conveying support, the auxiliary conveying units are connected with conveying belts in a rolling mode, the conveying rollers are symmetrically arranged on the conveying support in a left-right mode through bearings, the two conveying rollers are in transmission connection with each other through the conveying belts arranged on the outer ring, the rotating motor is arranged on the outer wall of the conveying support through a motor base, and an output shaft of the rotating motor is connected with one end shaft head of the right conveying roller on the conveying support through a coupler;
the auxiliary feeding unit comprises an auxiliary feeding bracket, a side roller and a horizontally arranged roller; the auxiliary conveying support is arranged on the end face of the conveying support, side rollers are symmetrically arranged on the auxiliary conveying support in the left-right direction through bearings, a horizontally arranged roller is arranged between the two side rollers, and the horizontally arranged roller is arranged on the auxiliary conveying support through a bearing; the conveying roller is driven by a rotating motor to drive the conveying belt to carry out rotary conveying, and the bottom support conveying belt is rolled by the side roller and the horizontal roller to carry out conveying operation.
The screening mechanism comprises a screening bracket, a deflection wheel, a straight rod, a screening frame, a blanking guide plate, a chain wheel, a chain and a servo motor; the screening device comprises a screening support, deflection wheels, straight rods, a screening frame, a blanking guide plate, chain wheels, a servo motor, a motor seat, a motor shaft, a transmission shaft and a transmission shaft, wherein the screening support is arranged on the transmission mechanism, the deflection wheels are arranged at the front and back positions on the inner walls of the two sides of the screening support through bearings respectively, the straight rods are arranged between the bottom shaft ends of the left deflection wheel and the right deflection wheel through pin bolts, the screening frame is arranged between the two straight rods, the blanking guide plate is arranged right below the screening frame, the blanking guide plate is arranged on the bottom end face of the screening; through servo motor drive sprocket and chain meshing rotation, the rotatory action of deflection wheel is realized in step, connects the deflection wheel synchronous revolution that corresponds the side through the straight-bar, and when the deflection wheel was rotatory, the eccentric end of bottom promoted and held up the straight-bar, realized dividing the reciprocal undulant progressive movement of sieve frame, and the guide of blanking baffle discharges the stone.
Preferably, the crushing mechanism comprises a blanking bracket, a crushing frame, a driving crushing shaft, a secondary driving crushing shaft, a driving gear, a driven gear and a motor; the automatic feeding device comprises a feeding support, a conveying mechanism, a crushing frame, a driving gear, a driven gear, a motor seat, a motor, a transmission mechanism and a motor, wherein the feeding support is arranged on the conveying mechanism, the crushing frame is arranged on the end surface of the feeding support, the crushing frame and the feeding support are designed in a cavity structure, the driving crushing shaft and the driven crushing shaft are arranged in the crushing frame through bearings respectively, the driving gear and the driven gear are arranged at the outer side shaft ends of the driving crushing shaft and the driven crushing shaft respectively, the driving gear is connected with the driven gear in a meshing rotation mode, the motor is; the driving gear is driven by the motor to be meshed with the driven gear to rotate, so that the driving crushing shaft and the secondary crushing shaft synchronously and oppositely rotate to crush the stone, and the crushed stone is discharged through the guide of the discharging support.
Preferably, the distributing mechanism comprises a distributing bracket, a spiral distributing rod, a first belt wheel, a rotating shaft, a second belt wheel, a stepping motor, a circular belt, a distributing guide plate and a discharging support plate; the distributing bracket is arranged on the conveying mechanism, a plurality of spiral branch rods which are linearly distributed along the length direction of the distributing bracket are arranged on the distributing bracket through bearings, a first belt wheel is arranged at the outer shaft end of each spiral branch rod, a rotating shaft is arranged right below the first belt wheel, the rotating shaft is arranged on the outer wall of the distributing bracket through a bearing seat, a plurality of second belt wheels which are linearly distributed along the length direction of the rotating shaft are arranged on the rotating shaft, the second belt wheel and the first belt wheel are in transmission connection through a round belt arranged on the outer ring, the stepping motor is arranged on the outer wall of the distributing bracket through a motor base, an output shaft of the stepping motor is mutually connected with one side shaft end of the rotating shaft through a coupler, the distributing guide plate is arranged on the outer wall of the distributing support, and a discharging support plate is arranged on the inner wall right below the distributing support; the rotating shaft is driven to rotate by the stepping motor, so that the second belt wheel rotates the round belt to drive the first belt wheel to synchronously rotate, the spiral branch rod rotates to sieve the construction waste and drive the stone to move forward, the stone is discharged by the branch guide plate, and the construction waste after being sieved is discharged by the branch support plate.
Preferably, two the relative position of side roller bearing be the V type and arrange, with two the relative position of side roller bearing is the V type and arranges, and the bearing conveyer belt of being convenient for rolls makes the conveyer belt be sunken transport when carrying the stone, prevents that the stone roll from dropping.
Preferably, the square holes are evenly formed in the end face of the screening frame and are used for conveniently distinguishing the stones and the special garbage, the stones can fall off and are collected, and the special garbage is discharged outwards.
Preferably, the outer rings of the driving crushing shaft and the secondary movable crushing shaft are uniformly provided with extrusion tooth columns, and the outer rings of the driving crushing shaft and the secondary movable crushing shaft are uniformly provided with extrusion tooth columns, so that the pressure and the crushing strength are increased, large stones are extruded and cracked to form small blocks, the follow-up crushing efficiency is improved, and the construction waste meets the use requirement of preparing concrete.
The invention has the beneficial effects that:
according to the invention, the construction waste is filtered and sieved by the distributing mechanism, the plurality of spiral separating rods are driven by the stepping motor to synchronously rotate, the transmission power for conveying stones is enhanced, and small stones, plastics, films, wood plates and metal impurities in the construction waste can be filtered and discharged by the rotation of the spiral separating rods, so that the use quality of concrete prepared from the construction waste is improved.
The crushing mechanism is used for extruding and crushing large stones, so that the stones are quickly crushed and cracked, and the stones are crushed into particles, thereby meeting the use requirement of preparing concrete by using construction waste, effectively improving the use quality of the prepared concrete, and enabling the construction waste to meet the use requirement of preparing concrete.
Thirdly, the construction waste filtered out preliminarily is finely screened and filtered again through the screening mechanism, so that the broken stone blocks in the construction waste can be filtered and collected, waste of raw materials for preparing concrete is prevented, special waste stored in the broken stone blocks is effectively filtered, and the use quality of concrete prepared from the construction waste is improved.
The conveying mechanism is used for respectively and intensively collecting crushed granular stones discharged by crushing and crushed granular stones discharged by filtering, and carrying out sunken conveying to prevent the crushed granular stones from rolling and sliding down, so that the waste of concrete raw material preparation is caused, and the working environment is polluted.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a process for preparing concrete from construction waste according to the present invention;
FIG. 2 is a perspective view of the present invention in a primary viewing position;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a perspective view of the present invention in a rear-view position;
FIG. 5 is a partial perspective sectional view of the present invention in a rear-view position;
fig. 6 is a perspective sectional view of the crushing mechanism of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 6, a method for preparing concrete by using construction waste uses an apparatus for preparing concrete by using construction waste, which comprises a conveying mechanism 1, a screening mechanism 2, a crushing mechanism 3 and a distributing mechanism 4, and the concrete prepared by using the apparatus for screening construction waste is as follows:
s1, manual preliminary screening: separating large flexible film materials, large timber substances and special garbage in the construction garbage through manual screening, and screening concrete raw materials such as stones and the like;
s2, distributing and screening: conveying the selected stone blocks in the step S1 by a distribution mechanism 4, so that small stone blocks, plastic blocks, thin films, wood plates and metal impurities are filtered and discharged, and concrete raw materials such as large stone blocks are discharged to the next process;
s3, crushing stone blocks: crushing the large stone blocks discharged in the step S2 into crushed particles by the crushing mechanism 3;
s4, filtering again: filtering the special garbage and the crushed stone which are sieved and dropped in the S2 through a sieving mechanism 2, so that the crushed stone is collected and discharged aiming at the special garbage;
s5, centralized collection: the crushed stone discharged from the crushing step S3 and the crushed stone discharged from the filtering step S4 are collected and conveyed by the conveying mechanism 1;
the conveying mechanism 1 is respectively provided with a screening mechanism 2 and a crushing mechanism 3, a distributing mechanism 4 is arranged between the screening mechanism 2 and the crushing mechanism 3, and the distributing mechanism 4 is arranged on the conveying mechanism 1;
the conveying mechanism 1 comprises a bottom plate 10, a conveying bracket 11, an auxiliary conveying unit 12, a conveying roller 13, a conveying belt 14 and a rotating motor 15; the end face of the bottom plate 10 is provided with a conveying support 11, the end face of the conveying support 11 is provided with a plurality of groups of auxiliary conveying units 12 which are linearly distributed along the length direction of the conveying support, the auxiliary conveying units 12 are connected with a conveying belt 14 in a rolling mode, the conveying rollers 13 are symmetrically arranged on the conveying support 11 in a left-right mode through bearings, the two conveying rollers 13 are mutually connected through the conveying belt 14 arranged on an outer ring in a transmission mode, the rotating motor 15 is arranged on the outer wall of the conveying support 11 through a motor base, and an output shaft of the rotating motor 15 is mutually connected with one end shaft head of the right conveying roller 13 on the conveying support 11 through a shaft coupling;
the auxiliary feeding unit 12 comprises an auxiliary feeding bracket 121, a side roller 122 and a flat roller 123; the auxiliary conveying support 121 is mounted on the end face of the conveying support 11, the side rollers 122 are symmetrically mounted on the auxiliary conveying support 121 through bearings, the relative positions of the two side rollers 122 are arranged in a V shape, and the relative positions of the two side rollers 122 are arranged in a V shape, so that the conveying belt 14 is supported in a rolling manner, the conveying belt 14 is conveyed in a concave manner when conveying stones, and the stones are prevented from falling off in a rolling manner; a horizontal roller 123 is arranged between the two side rollers 122, and the horizontal roller 123 is mounted on the auxiliary feeding bracket 121 through a bearing; the conveyer belt 14 is driven to rotate by driving the transmission roller 13 by the rotating motor 15, and the bottom-mounted conveyer belt 14 is rolled by the side rollers 122 and the flat rollers 123 to perform conveying operation.
The screening mechanism 2 comprises a screening bracket 20, a deflection wheel 21, a straight rod 22, a screening frame 23, a blanking guide plate 24, a chain wheel 25, a chain 26 and a servo motor 27; the screening support 20 is installed on the bottom plate 10, deflection wheels 21 are installed at the front and rear positions on the inner walls of the two sides of the screening support 20 through bearings respectively, straight rods 22 are installed between the bottom shaft ends of the left deflection wheel 21 and the right deflection wheel 21 through pins, a screening frame 23 is installed between the two straight rods 22, square holes are evenly formed in the end face of the screening frame 23, the square holes are evenly formed in the end face of the screening frame 23, so that stones and special garbage can be distinguished conveniently, the stones can fall and be collected, and the special garbage is discharged outwards; a blanking guide plate 24 is arranged right below the screening frame 23, the blanking guide plate 24 is arranged on the bottom end face of the screening support 20, chain wheels 25 are symmetrically arranged on the outer side of the screening support 20, the chain wheels 25 are arranged on the outer side shaft end of the deflection wheel 21, the two chain wheels 25 are mutually meshed and rotatably connected through a chain 26 arranged on the outer ring, a servo motor 27 is arranged on the outer wall of the screening support 20 through a motor base, and the output shaft of the servo motor 27 is mutually connected with the right chain wheel 25 through a coupler; the servo motor 27 drives the chain wheel 25 to rotate in a meshed mode with the chain 26, the deflection wheel 21 synchronously rotates, the straight rod 22 is connected with the deflection wheel 21 on the corresponding side to synchronously rotate, when the deflection wheel 21 rotates, the eccentric end of the bottom lifts the supporting straight rod 22, the sieving frame 23 is enabled to move in a reciprocating and fluctuating mode in a progressive mode, and the blanking guide plate 24 guides and discharges stones.
The crushing mechanism 3 comprises a blanking bracket 30, a crushing frame 31, a driving crushing shaft 32, a secondary driving crushing shaft 33, a driving gear 34, a driven gear 35 and a motor 36; the blanking bracket 30 is arranged on the bottom plate 10, a crushing frame 31 is arranged on the end surface of the blanking bracket 30, the crushing frame 31 and the blanking bracket 30 are designed in a cavity structure, a driving crushing shaft 32 and a secondary driving crushing shaft 33 are respectively arranged in the crushing frame 31 through bearings, and the outer shaft ends of the driving crushing shaft 32 and the secondary crushing shaft 33 are respectively provided with a driving gear 34 and a driven gear 35, the driving gear 34 is connected with the driven gear 35 in a meshing rotation mode, the outer rings of the driving crushing shaft 32 and the secondary movable crushing shaft 33 are uniformly provided with extrusion tooth columns, and the outer rings of the driving crushing shaft 32 and the secondary movable crushing shaft 33 are uniformly provided with the extrusion tooth columns, so that the pressure intensity and the crushing strength are increased, large stones are extruded and cracked to form small blocks, the subsequent crushing efficiency is improved, and the construction waste meets the use requirement of preparing concrete; the motor 36 is arranged on the outer wall of the crushing frame 31 through a motor base, and the output shaft end of the motor 36 is connected with the driving gear 34 through a flange; the motor 36 drives the driving gear 34 to engage and rotate the driven gear 35, so that the driving crushing shaft 32 and the secondary crushing shaft 33 synchronously and oppositely rotate and crush, and crushed stones are guided and discharged through the blanking bracket 30.
The dispensing mechanism 4 comprises a dispensing bracket 40, a spiral dispensing rod 41, a first belt wheel 42, a rotating shaft 43, a second belt wheel 44, a stepping motor 45, a circular belt 46, a dispensing guide plate 47 and a discharge support plate 48; the distributing bracket 40 is arranged on the bottom plate 10, a plurality of spiral branch rods 41 which are linearly distributed along the length direction of the distributing bracket 40 are arranged on the distributing bracket 40 through bearings, a first belt wheel 42 is arranged at the outer shaft end of each spiral branch rod 41, a rotating shaft 43 is arranged right below the first belt wheel 42, the rotating shaft 43 is arranged on the outer wall of the distributing bracket 40 through a bearing seat, a plurality of second belt wheels 44 which are linearly distributed along the length direction of the rotating shaft 43 are arranged on the rotating shaft 43, the second belt wheel 44 and the first belt wheel 42 are in transmission connection through a round belt 46 arranged on the outer ring, the stepping motor 45 is arranged on the outer wall of the distributing bracket 40 through a motor base, and the output shaft of the stepping motor 45 is connected with one side shaft end of the rotating shaft 43 through a coupler, the distributing guide plate 47 is arranged on the outer wall of the distributing bracket 40, and a discharging support plate 48 is arranged on the inner wall right below the distributing bracket 40; the rotating shaft 43 is driven to rotate by the stepping motor 45, the second belt wheel 44 rotates the round belt 46 so as to drive the first belt wheel 42 to synchronously rotate, the spiral grading rod 41 rotates to sieve the construction waste and drive the stone blocks to move forwards, the stone blocks are discharged by the distributing guide plates 47, and the sieved construction waste is discharged by the discharging support plates 48.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A method for preparing concrete by using construction waste, which uses a device for preparing concrete by using construction waste, the device comprises a conveying mechanism (1), a screening mechanism (2), a crushing mechanism (3) and a distributing mechanism (4), and is characterized in that: the concrete method for screening the concrete prepared from the construction waste by adopting the equipment comprises the following steps:
s1, manual preliminary screening: separating large flexible film materials, large timber substances and special garbage in the construction garbage through manual screening, and screening concrete raw materials such as stones and the like;
s2, distributing and screening: conveying the selected stone blocks in the step S1 by a distributing mechanism (4), filtering and discharging small stone blocks, plastic blocks, thin films, wood plates and metal impurities, and conveying concrete raw materials such as large stone blocks to the next process;
s3, crushing stone blocks: crushing the large stone blocks discharged in the step S2 into crushed particles by a crushing mechanism (3);
s4, filtering again: filtering the special garbage and the crushed stone which are sieved and dropped in the S2 through a sieving mechanism (2), so that the crushed stone is collected and discharged aiming at the special garbage;
s5, centralized collection: the crushed stone discharged by the crushing in the S3 and the crushed stone discharged by the filtering in the S4 are respectively collected and conveyed in a centralized way by a conveying mechanism (1);
the screening mechanism (2) and the crushing mechanism (3) are respectively arranged on the conveying mechanism (1), a distributing mechanism (4) is arranged between the screening mechanism (2) and the crushing mechanism (3), and the distributing mechanism (4) is arranged on the conveying mechanism (1);
the conveying mechanism (1) comprises a bottom plate (10), a conveying bracket (11), an auxiliary conveying unit (12), a conveying roller (13), a conveying belt (14) and a rotating motor (15); the end face of the bottom plate (10) is provided with a conveying support (11), a plurality of groups of auxiliary conveying units (12) which are linearly distributed along the length direction of the conveying support (11) are arranged on the end face of the conveying support (11), the auxiliary conveying units (12) are mutually connected with a conveying belt (14) in a rolling mode, the conveying rollers (13) are symmetrically arranged on the conveying support (11) in the left-right direction through bearings, the two conveying rollers (13) are mutually connected in a transmission mode through the conveying belt (14) arranged on the outer ring, the rotating motor (15) is arranged on the outer wall of the conveying support (11) through a motor base, and the output shaft of the rotating motor (15) is mutually connected with one end of a shaft head of the right-side conveying roller (13) on the conveying support (11) through a coupler;
the auxiliary feeding unit (12) comprises an auxiliary feeding bracket (121), a side roller (122) and a horizontal roller (123); the auxiliary conveying support (121) is arranged on the end face of the conveying support (11), side rollers (122) are arranged on the auxiliary conveying support (121) in bilateral symmetry through bearings, a horizontal roller (123) is arranged between the two side rollers (122), and the horizontal roller (123) is arranged on the auxiliary conveying support (121) through a bearing;
the screening mechanism (2) comprises a screening support (20), a deflection wheel (21), a straight rod (22), a screening frame (23), a blanking guide plate (24), a chain wheel (25), a chain (26) and a servo motor (27); the screening device is characterized in that a screening support (20) is installed on a conveying mechanism (1), deflection wheels (21) are installed at the front and rear positions on the inner walls of the two sides of the screening support (20) through bearings respectively, straight rods (22) are installed between the bottom shaft ends of the left deflection wheel (21) and the right deflection wheel (21) through pin bolts, a screening frame (23) is installed between the two straight rods (22), a blanking guide plate (24) is arranged under the screening frame (23), the blanking guide plate (24) is installed on the bottom end face of the screening support (20), chain wheels (25) are symmetrically arranged on the outer side of the screening support (20), the chain wheels (25) are installed on the outer side shaft ends of the deflection wheels (21), the two chain wheels (25) are connected in a mutually meshed and rotating mode through chains (26) arranged on the outer rings, a servo motor (27) is installed on the outer wall of the screening support (20) through a motor seat, and the output shaft of the servo motor (27) is connected with the right chain wheel (25) through a coupler.
2. The method for preparing concrete by using construction waste according to claim 1, wherein the method comprises the following steps: the crushing mechanism (3) comprises a blanking bracket (30), a crushing frame (31), a driving crushing shaft (32), a secondary movable crushing shaft (33), a driving gear (34), a driven gear (35) and a motor (36); unloading support (30) are installed on transport mechanism (1), are located and install crushing frame (31) on the terminal surface of unloading support (30), crushing frame (31) and unloading support (30) be the cavity structural design, the inside that is located crushing frame (31) is installed initiative broken axle (32) and time broken axle (33) through the bearing respectively, and initiative broken axle (32) and time outside axle head of moving broken axle (33) install driving gear (34) and driven gear (35) respectively, and driving gear (34) are through meshing rotation mode and driven gear (35) interconnect, motor (36) install on the outer wall of smashing frame (31) through the motor cabinet, the output axle head that is located motor (36) passes through flange and driving gear (34) interconnect.
3. The method for preparing concrete by using construction waste according to claim 1, wherein the method comprises the following steps: the dispensing mechanism (4) comprises a dispensing support (40), a spiral dispensing rod (41), a first belt wheel (42), a rotating shaft (43), a second belt wheel (44), a stepping motor (45), a round belt (46), a dispensing guide plate (47) and a discharging support plate (48); the distributing support (40) is arranged on the conveying mechanism (1), a plurality of spiral distributing rods (41) which are linearly distributed along the length direction of the spiral distributing rods are arranged on the distributing support (40) through bearings, a first belt wheel (42) is arranged at the outer side shaft end of each spiral distributing rod (41), a rotating shaft (43) is arranged under each first belt wheel (42), the rotating shaft (43) is arranged on the outer wall of the distributing support (40) through a bearing seat, a plurality of second belt wheels (44) which are linearly distributed along the length direction of the rotating shaft (43) are arranged on the rotating shaft (43), the second belt wheels (44) and the first belt wheels (42) are mutually connected through a round belt (46) arranged at the outer ring of the shaft end in a transmission manner, the stepping motor (45) is arranged on the outer wall of the distributing support (40) through a motor seat, and the output shaft of the stepping motor (45) is mutually connected with one side of the rotating shaft (43) through a coupling, the distributing guide plate (47) is arranged on the outer wall of the distributing support (40), and a discharging support plate (48) is arranged on the inner wall right below the distributing support (40).
4. The method for preparing concrete by using construction waste according to claim 1, wherein the method comprises the following steps: the relative positions of the two side rollers (122) are arranged in a V shape.
5. The method for preparing concrete by using construction waste according to claim 1, wherein the method comprises the following steps: square holes are uniformly formed in the end face of the screening frame (23).
6. The method for preparing concrete by using construction waste as claimed in claim 2, wherein the method comprises the following steps: and extrusion tooth columns are uniformly arranged on the outer rings of the active crushing shaft (32) and the secondary active crushing shaft (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326674.0A CN113083461A (en) | 2021-03-26 | 2021-03-26 | Method for preparing concrete by using construction waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326674.0A CN113083461A (en) | 2021-03-26 | 2021-03-26 | Method for preparing concrete by using construction waste |
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| CN113083461A true CN113083461A (en) | 2021-07-09 |
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| CN202110326674.0A Withdrawn CN113083461A (en) | 2021-03-26 | 2021-03-26 | Method for preparing concrete by using construction waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118080141A (en) * | 2024-04-23 | 2024-05-28 | 河南铭韵建设有限公司 | Safe breaker of construction |
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2021
- 2021-03-26 CN CN202110326674.0A patent/CN113083461A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118080141A (en) * | 2024-04-23 | 2024-05-28 | 河南铭韵建设有限公司 | Safe breaker of construction |
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