CN114148651A - Construction waste classification and recovery method - Google Patents
Construction waste classification and recovery method Download PDFInfo
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- CN114148651A CN114148651A CN202111460544.2A CN202111460544A CN114148651A CN 114148651 A CN114148651 A CN 114148651A CN 202111460544 A CN202111460544 A CN 202111460544A CN 114148651 A CN114148651 A CN 114148651A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/0033—Refuse receptacles; Accessories therefor specially adapted for segregated refuse collecting, e.g. receptacles with several compartments; Combination of receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
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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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Abstract
The invention relates to a construction waste classification recycling method, which comprises the steps of constructing a transport pipeline in a building floor and constructing a ground recycling and disposal device on the ground of the building floor, wherein a primary screen box, a secondary screen box, a collecting box and a settling box are arranged in the ground recycling and disposal device from top to bottom, the transport pipeline is butted with the primary screen box, and a hydraulic expansion piece for controlling the inlet and outlet of each box body is arranged at the rear end of each box body. The construction waste is automatically classified and recycled in the ground recycling device, and classified waste materials can be secondarily utilized or treated in a centralized manner according to types. The whole process is finished in a closed space, no dust pollution is caused, and the garbage is cleared and classified. The method avoids potential safety hazards and environmental pollution caused by high-altitude throwing, can effectively recycle the construction waste, saves the construction cost and accelerates the construction progress.
Description
Technical Field
The invention belongs to the technical field of building construction, particularly relates to classified recovery of building garbage, and particularly relates to a classified recovery method of building garbage.
Background
At present, three methods of special channel clearing, construction elevator clearing and platform tower crane lifting are mainly adopted for clearing and transporting floor garbage in the field of building construction in China, and the methods mainly have the following problems and defects:
1. special channel clearing and transporting
1) The special garbage channel is cleared and transported only vertically to realize floor garbage transportation, but no garbage classification disposal device is arranged at the outlet, dust pollution is easily formed at the outlet of the channel, and the garbage at the outlet is mixed together and is easily hardened into hard blocks, so that the garbage is inconvenient to clean, the surrounding environment is disordered, and great influence is caused on safe and civilized construction.
2) The construction waste can not be classified and recycled, so that the resource waste is caused; the construction waste which can be utilized by classification comprises main components of broken stones, stone slag, fine sand and the like, and is a high-quality material for foundation pit backfill and atrial backfill.
3) The water used for washing the pump by the concrete pump can not be recycled, so that the site pollution is serious, and the water resource is not saved.
2. Construction elevator clearing and transporting
1) The floor rubbish is mainly transported by the elevator through the people pushing trolley, the method is low in efficiency, the elevator occupies a long time, the use efficiency of the elevator is reduced, the labor cost is increased, and the cost is high.
2) Environmental protection not convenient for, the department homoenergetic is piled at floor clearance department and scene and is caused very big raise dust pollution, and job site windrow department is unordered, and waste classification is difficult to realize more, the reutilization of not being convenient for.
3) Concrete pump washing water is discharged everywhere, and more construction enterprises discharge to the outer scaffold, has great potential safety hazard, and the outer scaffold pollutes seriously, and civilized construction is difficult to realize.
3. Platform tower crane clearing and transporting
1) The method is tightly suitable for multi-storey buildings with few storeys and has large limitation.
2) A special tower crane hoisting platform needs to be built, garbage in a floor is pushed to the hoisting platform through a man-pushing trolley and then hoisted to a site designated place through a tower crane, the personnel intensity is high, the labor efficiency is low, a professional signal worker needs to cooperate with a command tower crane, and the construction cost is high.
3) Is not convenient for environmental protection and is not beneficial to garbage classification and recovery.
4) The concrete pump washing water is also discharged everywhere, and great potential safety hazards exist.
With the acceleration of urban construction steps, high-rise buildings and super high-rise buildings become mainstream of contemporary buildings gradually, the quantity of construction waste is increased day by day, but the research of environmental protection technology is relatively lagged, and a great problem is brought to environmental management. The disposal of construction waste also becomes a difficult problem to be solved urgently in the construction field of the new era, the environmental protection is taken as an important national policy of the new era, enterprises must seek reliable solving measures, and otherwise, the production, the cost, the construction period, the quality and other aspects of the enterprises are greatly influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a construction waste classifying and recycling method.
The invention is realized by the following technical scheme:
a construction waste classification and recovery method comprises the following steps:
1) constructing a vertically arranged transportation pipeline in a building floor;
2) constructing a ground recycling and disposing device on the ground of the building floor;
the ground recycling and disposal device comprises a concrete foundation, wherein a front row of supporting upright post frames and a rear row of supporting upright post frames are vertically fixed on the concrete foundation, a roof which is obliquely arranged in a left-high-right-low manner is fixed at the top of a space surrounded by the two rows of supporting upright post frames in a closed manner, a garbage channel inlet is arranged at the left side of the roof, and the garbage channel inlet is communicated with a bottom pipe orifice of a conveying pipeline; the left, front and back surfaces of the space enclosed by the two rows of supporting upright post frames are sealed and fixed with wallboards, and the right surface is sealed and provided with an openable door body; four layers of supporting shaft brackets are fixed between the two rows of supporting upright post frames, the first layer of supporting shaft bracket from bottom to top is horizontally arranged close to the concrete foundation, the second layer of supporting shaft bracket, the third layer of supporting shaft bracket and the fourth layer of supporting shaft bracket from bottom to top are obliquely arranged from top to bottom, and a plurality of V-shaped pulleys are arranged on each layer of supporting shaft bracket; an upper hydraulic expansion piece and a lower hydraulic expansion piece are arranged at the left wallboard through a supporting upright post, and the four expansion pieces are respectively arranged corresponding to the four layers of supporting shaft brackets; a sedimentation tank is arranged on the first-layer supporting shaft bracket from bottom to top in a sliding mode through a V-shaped pulley, and the left end of the sedimentation tank is connected with a corresponding hydraulic expansion piece; a collecting box is arranged on the second-layer supporting shaft bracket from bottom to top in a sliding mode through a V-shaped pulley, and the left end of the collecting box is connected with a corresponding hydraulic expansion piece; two screen boxes are slidably arranged on the third layer of support shaft bracket from bottom to top through V-shaped pulleys, and the left ends of the two screen boxes are connected with corresponding hydraulic retractors; a primary screening box is arranged on a fourth-layer supporting shaft frame from bottom to top in a sliding mode through V-shaped pulleys, a garbage channel inlet on the roof is in butt joint with a box opening of the primary screening box, and the left end of the primary screening box is connected with a corresponding hydraulic expansion piece.
Furthermore, each row of supporting upright post frames consists of a plurality of uniformly distributed and spaced supporting upright posts, and the two rows of supporting upright posts are the same in number and are respectively arranged in a front-back opposite mode one by one; each layer of support shaft bracket mainly comprises a plurality of support shafts which are sequentially arranged, the end parts of the two ends of each support shaft are respectively connected and fixed with the two corresponding support upright posts, and V-shaped pulleys are respectively arranged at the two sides and the middle position of each support shaft.
Furthermore, the sedimentation tank comprises a bottom plate, side tank walls are fixed on the periphery of the bottom plate, three V-shaped rails are arranged at the bottom of the bottom plate along the length direction of the bottom plate, and the three V-shaped rails are respectively slidably mounted on corresponding V-shaped pulleys on the support shaft bracket; the left clapboard and the right clapboard are arranged in the settling tank, the height of the left clapboard is lower than that of the right clapboard, the height of the right clapboard is lower than that of the side tank wall, the left clapboard and the right clapboard divide the settling tank into a left settling tank, a middle settling tank and a right settling tank, and the side tank wall is provided with a drain pipe communicated with the left settling tank.
Further, the collecting box comprises a bottom plate, a bottom water filtering net is fixed at the right end of the bottom plate, side box walls are fixed on the periphery of the whole bottom plate and the bottom water filtering net, three V-shaped rails are arranged at the bottom of the whole bottom plate and the bottom water filtering net along the length direction of the whole bottom plate and the bottom water filtering net, and the three V-shaped rails are respectively slidably mounted on corresponding V-shaped pulleys on the supporting shaft bracket; an inclined water filtering net piece is fixedly supported between the right end side box wall and the right end plate edge of the bottom plate in the collecting box, a space defined by the bottom water filtering net piece, the right end side box wall and the inclined water filtering net piece is filled with filtering fillers, and the bottom water filtering net piece is over against a right sedimentation tank of the sedimentation box.
Furthermore, the two screen boxes comprise a first bottom screen, side box walls are fixed on the periphery of the first bottom screen, three V-shaped rails are arranged at the bottom of the first bottom screen along the length direction of the first bottom screen, and the three V-shaped rails are respectively slidably mounted on corresponding V-shaped pulleys on the support shaft frame.
Furthermore, the primary screening box comprises a bottom second screen, side box walls are fixed on the periphery of the second bottom screen, three V-shaped rails are arranged at the bottom of the second bottom screen along the length direction of the second bottom screen, the three V-shaped rails are respectively slidably mounted on corresponding V-shaped pulleys on the supporting shaft frame, and the size of a screen mesh of the second screen is larger than that of the first screen mesh.
Furthermore, the front, back and left box walls of the primary screening box are respectively provided with a vibration reduction block.
Furthermore, bedding square steel is arranged between the three-side wall boards and the openable door body and the concrete foundation, and the bottom end of the supporting upright post frame is fixed on the bedding square steel.
The method of the invention adopts a special conveying pipeline which is vertically arranged along the floor, the outlet of the conveying pipeline extends into a ground recycling device, the construction waste is automatically classified and recycled in the device, and the classified waste materials can be secondarily utilized or treated in a centralized way according to types. The whole process is completed in a closed space, no dust pollution is caused, the garbage is cleared and classified, and the disposal mode is safe, efficient, energy-saving and environment-friendly, and is an effective means for disposing the garbage in high-rise and super high-rise engineering construction. Potential safety hazards and environmental pollution caused by high-altitude object throwing are avoided by the aid of the disposal mode, construction waste can be effectively recycled, construction cost is saved, and construction progress is accelerated.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention mainly starts from environmental protection, develops research by taking reduction and recovery as targets, saves cost, prevents dust and influence on environment, can reutilize the recovered material, has lower input cost, plays a great role in the development of enterprises and the guarantee of construction quality, has large application market, high popularization value and wide prospect at present with increasingly vigorous development of the building market in China.
2) The invention starts from 'four sections and one environment protection', realizes the management and control and the recycling of the main garbage sources of the construction site, the main garbage sources of the construction engineering are concrete slag materials, the loss rate of the concrete in the engineering is generally about 3%, and the lost concrete is also the source of the slag materials.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a front view of the overall structure of the transport pipeline and ground recycling and disposal unit in the method of the present invention.
Fig. 2 is a front view of a support system in a surface reclamation and disposal unit.
Fig. 3 is a top view of a support system in a surface reclamation and disposal unit.
Fig. 4 is a front view of a settling tank in the surface reclamation and disposal unit.
FIG. 5 is a front view of the collection bin in the floor reclamation and disposal unit.
Fig. 6 is a front view of a second sieve box in the ground recycling device.
Fig. 7 is a front view of a primary screen box in the surface recycling apparatus.
In the figure: 1-conveying pipeline, 2-concrete foundation, 3-bottom-padding square steel, 4-supporting upright post, 5-roof, 6-garbage channel inlet, 7-wallboard, 8-openable door body, 9-supporting shaft, 10-V-shaped pulley, 11-hydraulic expansion device, 12-settling tank, 12-1-left clapboard, 12-2-right clapboard, 12-3-drain pipe, 13-collecting tank, 13-1-bottom water filtering net, 13-2-inclined water filtering net, 13-3-filtering filler, 14-secondary sieve tank, 15-primary sieve tank, 16-V-shaped track and 17-vibration reduction block.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 to 7, a method for classifying and recycling construction waste includes the following steps:
1) constructing a vertically arranged transportation pipeline in a building floor;
2) constructing a ground recycling and disposing device on the ground of the building floor;
the ground recycling and disposal device comprises a concrete foundation 2, wherein the concrete foundation 2 is a C20 plain concrete foundation 2 with the thickness of 200 mm; a circle of bedding square steel 3 is fixed on the concrete foundation 2 around the periphery of the concrete foundation, the specification of the bedding square steel 3 is 40X 80X 5mm, front and rear rows of supporting upright posts are vertically fixed on the bedding square steel 3 on the front and rear sides, each row of supporting upright posts consists of seven uniformly-distributed and spaced supporting upright posts 4, the two rows of supporting upright posts 4 are respectively arranged in a front-back opposite mode one by one, the supporting upright posts 4 are 80X 5mm square steel pipes, and the distance between the adjacent supporting upright posts 4 in the same row is 500 mm; the top of the space enclosed by the two rows of supporting upright post frames is sealed and fixed with a roof 5 which is inclined from high left to low right, the roof 5 is made of a steel plate with the thickness of 3mm, a garbage channel inlet 6 is arranged at the left roof edge of the roof 5, and the garbage channel inlet 6 is communicated with a bottom pipe orifice of the transportation pipeline 1; the left, front and back three sides of the space enclosed by the two rows of supporting upright post frames are sealed and fixed with a wallboard 7, the right side is sealed and provided with an openable door body 8, and the wallboard 7 and the openable door body 8 are made of steel plates with the thickness of 3 mm; four layers of supporting shaft frames are fixed between the two rows of supporting upright post frames, each layer of supporting shaft frame consists of seven supporting shafts 9 which are sequentially arranged, the supporting shafts 9 adopt phi 30 to fix steel shafts, the end parts of the two ends of each supporting shaft 9 are provided with screw openings and respectively penetrate through the two corresponding supporting upright posts 4 and then are fixedly connected through six-edge nuts of 30 x 20 x 5, the two sides and the middle position of each supporting shaft 9 are respectively provided with a V-shaped pulley 10, and the V-shaped pulleys 10 adopt 20-shaped V-shaped pulleys 10; the first layer of support shaft bracket from bottom to top is horizontally arranged close to the concrete foundation 2, and the second layer of support shaft bracket, the third layer of support shaft bracket and the fourth layer of support shaft bracket from bottom to top are obliquely arranged with a gradient of 10 percent higher from left to right; four 1000KN hydraulic retractors 11 are arranged at the left wallboard 7 through the supporting upright post 4, and the four hydraulic retractors 11 are respectively arranged corresponding to the four layers of supporting shaft brackets; concrete foundation 2, bedding square steel 3, support column frame, support pedestal, V type pulley, hydraulic pressure expansion bend 11 etc. constitute the support system of ground recovery processing apparatus.
A settling tank 12 is arranged on the first-layer supporting shaft bracket from bottom to top in a sliding way through a V-shaped pulley 10; the settling tank 12 comprises a bottom plate, side tank walls are fixed on the periphery of the bottom plate, and the bottom plate and the side tank walls are formed by welding steel plates with the thickness of 3 mm; the bottom of the bottom plate is provided with three V-shaped rails 16 along the length direction of the bottom plate, and the three V-shaped rails 16 are respectively and slidably arranged on the corresponding V-shaped pulleys 10 on the support shaft bracket; a left clapboard 12-1 and a right clapboard 12-2 are arranged in the settling tank 12, the left clapboard 12-1 and the right clapboard 12-2 are welded by steel plates with the thickness of 3mm, the height of the left clapboard 12-1 is 100mm lower than that of the right clapboard 12-2, the height of the right clapboard 12-2 is 100mm lower than that of the side tank wall, the settling tank 12 is divided into a left settling tank, a middle settling tank and a right settling tank by the left clapboard 12-1 and the right clapboard 12-2, the volume of the right settling tank is larger than that of the left settling tank and the middle settling tank, because the water flow entering the right sedimentation tank is fast, and needs a larger space for storage, the sedimentation requirement can be met, the side tank wall is provided with a drain pipe 12-3 communicated with the left sedimentation tank, the distance between the drain pipe 12-3 and the bottom plate is 200mm, and the drain pipe 12-3 is formed by welding phi 30 steel pipes; the left box wall of the settling box 12 is fixedly connected with the end part of the plug rod of the corresponding hydraulic expansion piece 11.
A collecting box 13 is arranged on the second-layer supporting shaft bracket from bottom to top in a sliding mode through a V-shaped pulley 10; the collecting box 13 comprises a bottom plate, a bottom water filtering net 13-1 is fixed at the right end of the bottom plate, side box walls are fixed on the periphery of the whole body of the bottom plate and the bottom water filtering net 13-1, the bottom plate and the side box walls are welded by steel plates with the thickness of 3mm, and the bottom water filtering net 13-1 is a steel water filtering net with meshes of 1 mm; the bottom of the whole bottom plate and bottom water filtering net piece 13-1 is provided with three V-shaped rails 16 along the length direction, and the three V-shaped rails 16 are respectively installed on the corresponding V-shaped pulleys 10 on the supporting shaft bracket in a sliding manner; an inclined water filtering net piece 13-2 is supported and fixed between the right end side box wall and the right end plate edge of the second bottom plate in the collection box 13, the inclined water filtering net piece 13-2 adopts a 1mm mesh steel water filtering net, a space enclosed by the bottom water filtering net piece 13-1, the right end side box wall and the inclined water filtering net piece 13-2 is filled with filtering filler 13-3, and the bottom water filtering net piece 13-1 is opposite to a right sedimentation tank of the sedimentation box 12; the left box wall of the collecting box 13 is fixedly connected with the end part of the plug rod of the corresponding hydraulic expansion piece 11.
A second sieve box 14 is arranged on the third layer of support shaft bracket from bottom to top in a sliding way through a V-shaped pulley 10; the two screen boxes 14 comprise a first bottom mesh, side box walls are fixed on the periphery of the first bottom mesh, the first bottom mesh is a phi 6 steel mesh, the mesh size is 20mm, and the side box walls are formed by welding steel plates with the thickness of 3 mm; the bottom of the first bottom mesh sheet is provided with three V-shaped rails 16 along the length direction, and the three V-shaped rails 16 are respectively and slidably arranged on the corresponding V-shaped pulleys 10 on the support shaft bracket; the left box wall of the second screen box 14 is fixedly connected with the end part of the corresponding plug rod of the hydraulic expansion piece 11.
A primary screen box 15 is arranged on the fourth layer of support shaft bracket from bottom to top in a sliding way through a V-shaped pulley 10; the primary screen box 15 comprises a bottom second mesh, side box walls are fixed on the periphery of the second bottom mesh, the second bottom mesh is a phi 6 steel mesh, the mesh size is 40mm, and the side box walls are formed by welding steel plates with the thickness of 3 mm; the bottom of the second bottom mesh is provided with three V-shaped rails 16 along the length direction, the three V-shaped rails 16 are respectively and slidably mounted on the corresponding V-shaped pulleys 10 on the support shaft bracket, and the mesh size of the second mesh is larger than that of the first mesh; the garbage channel inlet 6 on the roof 5 is butted with the box opening of the primary screening box 15, and the left box wall of the primary screening box 15 is fixedly connected with the end part of the corresponding plug rod of the hydraulic expansion bend 11; four vibration reducing blocks 17 with the size of 100 x 50mm are respectively arranged on the front, the rear and the left side box walls of the primary screening box 15, so that the impact damage generated when the garbage enters is prevented.
The process principle of the construction waste classification and recovery method in the embodiment is as follows:
the garbage on each floor is intensively recycled through a special vertical garbage transporting pipeline 1 and discharged into a garbage ground recycling and disposing device at the tail end of a channel, and the garbage classification, recycling and cleaning work is completed in the device. The device mainly comprises a support system and four box bodies which are combined and respectively comprise a primary screening box 15, a secondary screening box 14, a collecting box 13 and a settling tank 12.
Primary screen box 15: building garbage collected and recovered in floors firstly enters the primary screening box 15 on the uppermost layer, primary screening is completed in the box body, stones and impurities with larger grain sizes of more than 40mm are left, the primary screening box 15 is pushed out by the hydraulic expansion piece 11 on the floor, the separated building garbage is conveyed away, and then the primary screening box 15 is pulled back by the hydraulic expansion piece 11 to reset; therefore, the construction waste is firstly separated, and the separated materials are the non-recyclable waste and are directly loaded and transported away.
A second sieve box 14: the garbage entering the lower secondary screen box 14 through the primary screen box 15 basically belongs to recyclable garbage materials, secondary screening is completed in the box body, the garbage materials with the particle size larger than 20mm are left, the secondary screen box 14 is pushed out by the hydraulic expansion piece 11 on the lower layer, the separated construction garbage is transported away, and then the secondary screen box 14 is pulled back by the hydraulic expansion piece 11 to reset; the construction waste discharged from the layer is recycled as coarse aggregate.
The collection box 13: the construction waste materials enter the lower-layer collection box 13 through the second sieve box 14, fine-grain material collection with the grain diameter smaller than 20mm is completed in the box, meanwhile, the layer is also a key layer of solid-liquid separation, the solid materials are left in the box, the liquid materials flow into the settling box 12, the collection box 13 is pushed out by the hydraulic expansion piece 11 on the layer, the separated construction waste is conveyed away, and the collection box 13 is pulled back to reset by the hydraulic expansion piece 11.
A settling tank 12: classification and recovery of solid materials are realized through three times of separation and classification, and the settling tank 12 mainly solves the separation, settling and recovery work of water in garbage or pump washing water of a concrete pump truck; the box body is arranged at the lowest layer of the garbage classification device and is horizontally divided into three sedimentation tanks, and through three times of sedimentation, water in the left sedimentation tank is basically clean and free of impurities, and can be used as concrete maintenance water, field spraying water and the like.
The construction waste classification and recovery method in the embodiment has the following advantages:
1) the method effectively avoids the problems and defects of the traditional method, and the construction waste classification and recovery system consists of two parts, wherein one part is a vertical transportation pipeline 1 arranged on a floor, and the other part is a ground recovery and disposal device; the system can realize dust-free cleaning and classification of garbage on one hand, and can be used as water for washing a pump of a concrete pump to discharge, recover, precipitate and utilize on the other hand; the system is convenient to prepare, safe, stable, energy-saving and environment-friendly, is an effective means for cost reduction and efficiency improvement of construction enterprises, and is a necessary guarantee for safe and civilized construction; the ground recycling and processing device can automatically load the garbage while realizing garbage classification, and reduces secondary loading cost.
2) The method of the invention is provided with the garbage cleaning port on each layer, and the garbage cleaning port is opened when in use and closed when not in use, so that the whole process has no dust pollution.
3) When the method is implemented, the investment of operators is less, mechanical cooperation is not needed, and the efficiency is high.
The technical solutions in the embodiments of the present invention are clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (8)
1. A construction waste classification and recovery method is characterized by comprising the following steps:
1) constructing a vertically arranged transportation pipeline in a building floor;
2) constructing a ground recycling and disposing device on the ground of the building floor;
the ground recycling and disposal device comprises a concrete foundation, wherein a front row of supporting upright post frames and a rear row of supporting upright post frames are vertically fixed on the concrete foundation, a roof which is obliquely arranged in a left-high-right-low manner is fixed at the top of a space surrounded by the two rows of supporting upright post frames in a closed manner, a garbage channel inlet is arranged at the left side of the roof, and the garbage channel inlet is communicated with a bottom pipe orifice of a conveying pipeline; the left, front and back surfaces of the space enclosed by the two rows of supporting upright post frames are sealed and fixed with wallboards, and the right surface is sealed and provided with an openable door body; four layers of supporting shaft brackets are fixed between the two rows of supporting upright post frames, the first layer of supporting shaft bracket from bottom to top is horizontally arranged close to the concrete foundation, the second layer of supporting shaft bracket, the third layer of supporting shaft bracket and the fourth layer of supporting shaft bracket from bottom to top are obliquely arranged from top to bottom, and a plurality of V-shaped pulleys are arranged on each layer of supporting shaft bracket; an upper hydraulic expansion piece and a lower hydraulic expansion piece are arranged at the left wallboard through a supporting upright post, and the four expansion pieces are respectively arranged corresponding to the four layers of supporting shaft brackets; a sedimentation tank is arranged on the first-layer supporting shaft bracket from bottom to top in a sliding mode through a V-shaped pulley, and the left end of the sedimentation tank is connected with a corresponding hydraulic expansion piece; a collecting box is arranged on the second-layer supporting shaft bracket from bottom to top in a sliding mode through a V-shaped pulley, and the left end of the collecting box is connected with a corresponding hydraulic expansion piece; two screen boxes are slidably arranged on the third layer of support shaft bracket from bottom to top through V-shaped pulleys, and the left ends of the two screen boxes are connected with corresponding hydraulic retractors; a primary screening box is arranged on a fourth-layer supporting shaft frame from bottom to top in a sliding mode through V-shaped pulleys, a garbage channel inlet on the roof is in butt joint with a box opening of the primary screening box, and the left end of the primary screening box is connected with a corresponding hydraulic expansion piece.
2. The construction waste classification and recovery method according to claim 1, characterized in that: each row of supporting upright post frames consists of a plurality of supporting upright posts which are uniformly distributed and spaced, and the two rows of supporting upright posts are the same in number and are respectively arranged in a front-back opposite mode one by one; each layer of support shaft bracket mainly comprises a plurality of support shafts which are sequentially arranged, the end parts of the two ends of each support shaft are respectively connected and fixed with the two corresponding support upright posts, and V-shaped pulleys are respectively arranged at the two sides and the middle position of each support shaft.
3. The construction waste classification and recovery method according to claim 2, characterized in that: the sedimentation tank comprises a bottom plate, side tank walls are fixed on the periphery of the bottom plate, three V-shaped rails are arranged at the bottom of the bottom plate along the length direction of the bottom plate, and the three V-shaped rails are respectively and slidably arranged on corresponding V-shaped pulleys on a support shaft bracket; the left clapboard and the right clapboard are arranged in the settling tank, the height of the left clapboard is lower than that of the right clapboard, the height of the right clapboard is lower than that of the side tank wall, the left clapboard and the right clapboard divide the settling tank into a left settling tank, a middle settling tank and a right settling tank, and the side tank wall is provided with a drain pipe communicated with the left settling tank.
4. The construction waste classification and recovery method according to claim 3, characterized in that: the collecting box comprises a bottom plate, a bottom water filtering net is fixed at the right end of the bottom plate, side box walls are fixed on the periphery of the whole bottom plate and the bottom water filtering net, three V-shaped rails are arranged at the bottom of the whole bottom plate and the bottom water filtering net along the length direction of the whole bottom plate and the bottom water filtering net, and the three V-shaped rails are respectively slidably mounted on corresponding V-shaped pulleys on the supporting shaft bracket; an inclined water filtering net piece is fixedly supported between the right end side box wall and the right end plate edge of the bottom plate in the collecting box, a space defined by the bottom water filtering net piece, the right end side box wall and the inclined water filtering net piece is filled with filtering fillers, and the bottom water filtering net piece is over against a right sedimentation tank of the sedimentation box.
5. The construction waste classification and recovery method according to claim 4, characterized in that: the two screen boxes comprise a first bottom screen, side box walls are fixed on the periphery of the first bottom screen, three V-shaped rails are arranged at the bottom of the first bottom screen along the length direction of the first bottom screen, and the three V-shaped rails are respectively slidably mounted on corresponding V-shaped pulleys on the support shaft frame.
6. The construction waste classification and recovery method according to claim 5, characterized in that: the primary screening box comprises a bottom second mesh, side box walls are fixed on the periphery of the second bottom mesh, three V-shaped rails are arranged at the bottom of the second bottom mesh along the length direction of the second bottom mesh, the three V-shaped rails are respectively and slidably mounted on corresponding V-shaped pulleys on the supporting shaft frame, and the mesh size of the second mesh is larger than that of the first mesh.
7. The construction waste classification and recovery method according to claim 6, characterized in that: and the front, back and left box walls of the primary screening box are respectively provided with a vibration reduction block.
8. The construction waste classification and recovery method according to claim 1 or 2, characterized in that: bottom-padding square steel is arranged between the three-sided wall boards and the openable door body and the concrete foundation, and the bottom end of the supporting upright post frame is fixed on the bottom-padding square steel.
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