CN111437970A - Concrete waste recovery device for civil engineering - Google Patents

Concrete waste recovery device for civil engineering Download PDF

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Publication number
CN111437970A
CN111437970A CN202010278079.XA CN202010278079A CN111437970A CN 111437970 A CN111437970 A CN 111437970A CN 202010278079 A CN202010278079 A CN 202010278079A CN 111437970 A CN111437970 A CN 111437970A
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CN
China
Prior art keywords
box
recovery
recovery box
recycling
crushing
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Pending
Application number
CN202010278079.XA
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Chinese (zh)
Inventor
曹鸽
冯国海
赵兰英
鲍金红
王玉柱
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Shangqiu Institute of Technology
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Shangqiu Institute of Technology
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Filing date
Publication date
Application filed by Shangqiu Institute of Technology filed Critical Shangqiu Institute of Technology
Priority to CN202010278079.XA priority Critical patent/CN111437970A/en
Publication of CN111437970A publication Critical patent/CN111437970A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/18Knives; Mountings thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2216Discharge means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/16Mills provided with vibrators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00Control arrangements specially adapted for crushing or disintegrating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions

Abstract

The invention provides a concrete waste recovery device for civil engineering, which belongs to the technical field of concrete and comprises the following components: the primary treatment unit comprises a first recovery box and a first group of horizontal crushing mechanisms, a primary filter screen is arranged at the bottom of the first recovery box, a first material pushing mechanism is arranged on one side wall of the first recovery box close to the bottom, and a first outlet is arranged on the other side wall of the first recovery box close to the bottom; the secondary treatment unit comprises a second recovery tank and a second group of horizontal crushing mechanisms, the top of the second recovery tank is communicated with the first outlet through a feeding channel, a secondary filter screen is arranged at the bottom of the second recovery tank, a second material pushing mechanism is arranged on one side wall of the second recovery tank close to the bottom of the second recovery tank, a second outlet is arranged on the other side wall of the second recovery tank close to the bottom of the second recovery tank, and a waste material conveying belt is arranged at the second outlet; the third-stage processing unit is arranged below the first-stage processing unit and the second-stage processing unit. The device can carry out many times breakage, filtration recovery to uncured residue material in the concrete through hierarchical processing, has improved concrete waste recycling rate.

Description

Concrete waste recovery device for civil engineering
Technical Field
The invention belongs to the technical field of concrete, and particularly relates to a concrete waste recovery device for civil engineering.
Background
Concrete, abbreviated as "concrete (t Yi NG)", is a general term for engineering composite materials formed by cementing aggregates into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.
During the construction of civil engineering works, some concrete waste is often produced. Concrete waste material takes up an area of bulky and difficult degradation, often needs to carry out recovery processing to the waste material of concrete, and concrete processing mode adopts recovery unit to smash concrete waste material usually, recycles the processing to the material after smashing. With the increasing expansion of civil engineering construction scale, reinforced concrete structures form a building structure main body, and further, the generated concrete waste materials are increased day by day, the existing recovery device is generally only used for one-time treatment, the treatment process is rough, the recovery rate is low, and the true recovery purpose is not achieved.
Therefore, the present application provides a concrete waste recovery device for civil engineering.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a concrete waste recovery device for civil engineering.
In order to achieve the above purpose, the invention provides the following technical scheme:
a concrete waste recovery device for civil engineering comprises a primary treatment unit, a secondary treatment unit and a tertiary treatment unit which are arranged from top to bottom in sequence;
the primary treatment unit comprises a first recovery box and a first group of horizontal crushing mechanisms arranged in the first recovery box, the top of the first recovery box is provided with a feed hopper, the bottom of the first recovery box is provided with a primary filter screen, one side wall of the first recovery box is provided with a first material pushing mechanism close to the bottom, the other side wall of the first recovery box is provided with a first outlet close to the bottom, and the inner side of the first outlet is provided with a first automatic sealing door;
the secondary treatment unit is arranged below one side of the primary treatment unit and comprises a second recovery box and a second group of horizontal crushing mechanisms arranged in the second recovery box, the top of the second recovery box is communicated with the first outlet through a feeding channel, a secondary filter screen is arranged at the bottom of the second recovery box, a second material pushing mechanism is arranged on one side wall of the second recovery box close to the bottom of the second recovery box, a second outlet is arranged on the other side wall of the second recovery box close to the bottom of the second recovery box, a second automatic sealing door is arranged on the inner side of the second outlet, and a waste conveying belt is arranged at the second outlet;
the three-stage treatment unit is arranged below the primary treatment unit and the secondary treatment unit and comprises a vibration crushing unit, a three-stage filtering unit and a collecting box, the bottoms of the first recovery box and the second recovery box are communicated with the top of the vibration crushing unit, the three-stage filtering unit is arranged below the vibration crushing unit, and the bottom of the three-stage filtering unit is communicated with the collecting box.
Preferably, the broken unit of vibrations includes the broken mechanism that two sets of symmetries set up, every group broken mechanism all includes riser, first electric telescopic handle and splint, first electric telescopic handle fixes the riser is inboard, first electric telescopic handle's tip with splint outer wall fixed connection, two splint set up relatively and form feedstock channel, the splint inner wall is provided with presss from both sides garrulous tooth, first collection box and second collection box bottom all with feedstock channel top intercommunication.
Preferably, the first horizontal crushing mechanism and the second horizontal crushing mechanism both comprise two horizontally arranged crushing rollers and a motor for driving the crushing rollers to rotate, the crushing rollers are provided with spiral cutters, the motor is fixed on the outer wall of the first recycling bin or the second recycling bin, one end of each crushing roller is in transmission connection with an output shaft of the motor, and the other end of each crushing roller is in rotation connection with the first recycling bin or the second recycling bin.
Preferably, first pushing equipment and second pushing equipment all include push pedal and second electric telescopic handle, second electric telescopic handle sets up first collection box or second collection box one side outer wall, the push pedal sets up inside and being located first group of horizontal crushing mechanism or the horizontal crushing mechanism below of second group of first collection box or second collection box one side outer wall, second electric telescopic handle's member tip with push pedal fixed connection.
Preferably, the third-stage filtering unit comprises a collecting cover and a third-stage filtering net arranged at the bottom of the collecting cover, the collecting cover is arranged below the feeding channel, and the third-stage filtering net is communicated with the collecting box.
Preferably, the upper part of the collecting box is of a reverse funnel structure, and the inner wall of the upper part of the collecting box is provided with a plurality of spraying units.
Preferably, the dust collecting device further comprises a controller, dust concentration sensors are arranged in the first recovery box and the second recovery box, dust removing openings are formed in the tops of the first recovery box and the second recovery box, electric one-way valves are arranged at the dust removing openings and electrically connected with the controller, and the electric one-way valves are communicated with dust collecting bags through dust removing channels.
The concrete waste recovery device for civil engineering provided by the invention comprises a primary treatment unit, a secondary treatment unit and a tertiary treatment unit which are sequentially arranged from top to bottom, and uncured residue materials in concrete can be crushed, filtered and recovered for multiple times through grading treatment, so that the later-stage concrete waste treatment is facilitated, and the recovery utilization rate of the concrete waste is greatly improved; the dust that produces when can handling the waste material is collected through setting up the dust and collecting the bag, avoids destroying the environment around among the recovery process.
Drawings
FIG. 1 is a schematic configuration view of a concrete waste reclamation apparatus for civil engineering in example 1 of the present invention;
FIG. 2 is a schematic diagram of a primary processing unit.
Description of reference numerals:
first collection box 1, feeder hopper 2, one-level filter screen 3, first pushing equipment 4, first self sealing door 5, second collection box 6, second grade filter screen 7, second pushing equipment 8, second self sealing door 9, waste conveyor 10, collecting box 11, riser 12, splint 13, press from both sides garrulous tooth 14, crushing roller 15, motor 16, cutter 17, collect cover 18, tertiary filter screen 19, spray unit 20, dust concentration sensor 21, electronic check valve 22, dust collection bag 23, first electric telescopic handle 24.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention and can practice the same, the present invention will be described in detail with reference to the accompanying drawings and specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.
Example 1
The invention provides a concrete waste recovery device for civil engineering, which is specifically shown in fig. 1 and 2 and comprises a primary treatment unit, a secondary treatment unit and a tertiary treatment unit which are sequentially arranged from top to bottom;
the primary treatment unit comprises a first recovery box 1 and a first group of horizontal crushing mechanisms arranged in the first recovery box 1, a feed hopper 2 is arranged at the top of the first recovery box 1, a primary filter screen 3 is arranged at the bottom of the first recovery box 1, a first pushing mechanism 4 is arranged on one side wall of the first recovery box 1 close to the bottom of the first recovery box, a first outlet is arranged on the other side wall of the first recovery box close to the bottom of the first recovery box, and a first automatic sealing door 5 is arranged on the inner side of the first outlet. Can carry out preliminary breakage to concrete waste through the broken mechanism of first set of level, carry out the breakage with great waste material piece to filter through one-level filter screen, the residue after the filtration goes on to the secondary treatment unit through first export.
The secondary treatment unit is arranged below one side of the primary treatment unit and comprises a second recovery tank 6 and a second group of horizontal crushing mechanisms arranged in the second recovery tank 6, the top of the second recovery tank 6 is communicated with the first outlet through a feeding channel, a secondary filter screen 7 is arranged at the bottom of the second recovery tank, a second material pushing mechanism 8 is arranged on one side wall of the second recovery tank 6 close to the bottom of the second recovery tank, a second outlet is arranged on the other side wall of the second recovery tank close to the bottom of the second recovery tank, a second automatic sealing door 9 is arranged on the inner side of the second outlet, and a waste conveying belt 10 is arranged at the second outlet; the residue after the primary treatment unit is processed can be broken step once more through the horizontal broken mechanism of second group, carries out the breakage with the residue to filter through the second grade filter screen, the residue after the filtration passes through waste material conveyer belt and discharges, and the concrete treatment material that passes primary filter screen and second grade filter screen enters into tertiary treatment unit.
The tertiary processing unit sets up in the below of one-level processing unit and secondary processing unit, and the tertiary processing unit includes vibrations broken unit, tertiary filter unit and collecting box 11, and first collection box 1 and 6 bottoms of second collection box all communicate with vibrations broken unit top, and tertiary filter unit sets up in vibrations broken unit below, tertiary filter unit bottom and collecting box 11 intercommunication.
Specifically, in this embodiment, vibrations broken unit includes the broken mechanism that two sets of symmetries set up, and every broken mechanism of group all includes riser 12, first electric telescopic handle 24 and splint 13, and first electric telescopic handle 24 is fixed in riser 12 inboardly, and first electric telescopic handle 24's tip and 13 outer wall fixed connection of splint, two splint 13 set up relatively and form feedstock channel, and splint 13 inner wall is provided with and presss from both sides garrulous tooth 14, and first collection box 1 and 6 bottoms of second collection box all communicate with the feedstock channel top. The two first electric telescopic rods 24 drive the clamping plates to relatively advance or backward, and finally crushing the processed objects passing through the feeding channel. The crushed materials enter the third-stage filtering unit, and are filtered by the third-stage filtering unit and then enter the collecting box 11.
Further, in this embodiment, the first horizontal crushing mechanism and the second horizontal crushing mechanism each include two horizontally disposed crushing rollers 15 and a motor 16 for driving the crushing rollers 15 to rotate, a spiral cutter 17 is disposed on each crushing roller 15, the motor 16 is fixed on the outer wall of the first recycling bin 1 or the second recycling bin 6, one end of each crushing roller 15 is in transmission connection with an output shaft of the motor 16, and the other end of each crushing roller is in rotation connection with the first recycling bin 1 or the second recycling bin 6. The motor 16 drives the crushing roller 15 to rotate, and the crushing roller 15 further drives the spiral cutter 17 to rotate, so that the concrete waste is cut and crushed.
Further, in this embodiment, the first pushing mechanism 4 and the second pushing mechanism 8 both include a push plate and a second electric telescopic rod, the second electric telescopic rod is disposed on the outer wall of one side of the first recycling bin 1 or the second recycling bin 6, the push plate is disposed inside the outer wall of one side of the first recycling bin 1 or the second recycling bin 6 and below the first group of horizontal crushing mechanisms or the second group of horizontal crushing mechanisms, and the end of the rod of the second electric telescopic rod is fixedly connected with the push plate. In this embodiment, drive the push pedal through second electric telescopic handle and advance, push away first export or second exit with the residue that one-level filter screen and second grade filter screen filtered out, then enter into the secondary treatment unit through first export, or discharge the waste material conveyer belt through the second export on, discharge garbage collection department through the conveyer belt, this part is the waste material that can not reuse.
In this embodiment, the third stage filtering unit includes a collecting cover 18 and a third stage filtering net 19 arranged at the bottom of the collecting cover 18, the collecting cover 18 is arranged below the feeding channel, and the third stage filtering net 19 is communicated with the collecting box 11.
In order to reduce dust in the collecting box, in the embodiment, the upper part of the collecting box 11 is of a reverse funnel structure, the inner wall of the upper part of the collecting box 11 is provided with a plurality of spraying units 20, and water mist is sprayed into the collecting box 11 through the spraying units 20 to reduce dust.
Further, in this embodiment, still include the controller, all be provided with dust concentration sensor 21 in first collection box 1 and the second collection box 6, the dust removal mouth has all been seted up at first collection box 1 and the 6 tops of second collection box, and dust removal mouth department is provided with electronic check valve 22, and electronic check valve 22 is connected with the controller electricity, and electronic check valve 22 has dust collection bag 23 through dust removal passageway intercommunication. The collected value of the dust concentration sensor 21 is received through the controller, the collected value is compared with a set value, and the opening and closing of the electric one-way valve 22 are controlled according to the comparison result, so that the dust is automatically collected.
The concrete waste recovery device for civil engineering that this embodiment provided can carry out many times breakage, filtration recovery to the residue material of solidifying in the concrete through stage treatment, makes things convenient for the concrete waste processing in later stage, has improved the recycle ratio of concrete waste greatly, and the practicality is strong, is fit for promoting.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims (7)

1. A concrete waste recovery device for civil engineering is characterized by comprising a primary treatment unit, a secondary treatment unit and a tertiary treatment unit which are sequentially arranged from top to bottom;
the primary treatment unit comprises a first recovery box (1) and a first group of horizontal crushing mechanisms arranged in the first recovery box (1), wherein a feed hopper (2) is arranged at the top of the first recovery box (1), a primary filter screen (3) is arranged at the bottom of the first recovery box, a first material pushing mechanism (4) is arranged on one side wall of the first recovery box (1) close to the bottom, a first outlet is arranged on the other side wall of the first recovery box close to the bottom, and a first automatic sealing door (5) is arranged on the inner side of the first outlet;
the secondary treatment unit is arranged below one side of the primary treatment unit and comprises a second recovery box (6) and a second group of horizontal crushing mechanisms arranged in the second recovery box (6), the top of the second recovery box (6) is communicated with the first outlet through a feeding channel, a secondary filter screen (7) is arranged at the bottom of the second recovery box (6), a second material pushing mechanism (8) is arranged on one side wall of the second recovery box (6) close to the bottom of the second recovery box, a second outlet is arranged on the other side wall of the second recovery box close to the bottom of the second recovery box, a second automatic sealing door (9) is arranged on the inner side of the second outlet, and a waste material conveying belt (10) is arranged at the second outlet;
the three-stage treatment unit is arranged below the primary treatment unit and the secondary treatment unit and comprises a vibration crushing unit, a three-stage filtering unit and a collecting box (11), the bottoms of the first recovery box (1) and the second recovery box (6) are communicated with the top of the vibration crushing unit, the three-stage filtering unit is arranged below the vibration crushing unit, and the bottom of the three-stage filtering unit is communicated with the collecting box (11).
2. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein said vibration crushing unit comprises two sets of symmetrically arranged crushing mechanisms, each set of said crushing mechanism comprises a vertical plate (12), a first electric telescopic rod (24) and a clamping plate (13), said first electric telescopic rod (24) is fixed inside said vertical plate (12), the end of said first electric telescopic rod (24) is fixedly connected with the outer wall of said clamping plate (13), two said clamping plates (13) are oppositely arranged to form a feeding channel, the inner wall of said clamping plate (13) is provided with clamping teeth (14), and the bottoms of said first recycling box (1) and said second recycling box (6) are communicated with the top of said feeding channel.
3. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein said first and second horizontal crushing mechanisms each comprise two horizontally arranged crushing rollers (15) and a motor (16) for driving said crushing rollers (15) to rotate, said crushing rollers (15) are provided with helical cutters (17), said motor (16) is fixed on the outer wall of said first recycling box (1) or said second recycling box (6), one end of said crushing roller (15) is in transmission connection with the output shaft of said motor (16), and the other end is in rotation connection with said first recycling box (1) or said second recycling box (6).
4. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein the first pushing mechanism (4) and the second pushing mechanism (8) each comprise a push plate and a second electric telescopic rod, the second electric telescopic rod is arranged on the outer wall of one side of the first recycling box (1) or the second recycling box (6), the push plate is arranged inside the outer wall of one side of the first recycling box (1) or the second recycling box (6) and below the first group of horizontal crushing mechanisms or the second group of horizontal crushing mechanisms, and the rod end of the second electric telescopic rod is fixedly connected with the push plate.
5. The concrete waste recycling device for civil engineering as claimed in claim 2, wherein said tertiary filtration unit comprises a collecting hood (18) and a tertiary filtration screen (19) disposed at the bottom of said collecting hood (18), said collecting hood (18) being disposed below said feeding passage, said tertiary filtration screen (19) being in communication with said collection tank (11).
6. The concrete waste recycling device for civil engineering as claimed in claim 1, wherein the collecting box (11) is above a hopper structure, and the inner wall above the collecting box (11) is provided with a plurality of spraying units (20).
7. The concrete waste recycling device for civil engineering as claimed in claim 4, further comprising a controller, wherein a dust concentration sensor (21) is disposed in each of the first recycling bin (1) and the second recycling bin (6), a dust removing opening is disposed at the top of each of the first recycling bin (1) and the second recycling bin (6), an electric check valve (22) is disposed at the dust removing opening, the electric check valve (22) is electrically connected with the controller, and the electric check valve (22) is communicated with a dust collecting bag (23) through a dust removing channel.
CN202010278079.XA 2020-04-10 2020-04-10 Concrete waste recovery device for civil engineering Pending CN111437970A (en)

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CN112427078A (en) * 2020-11-11 2021-03-02 胡爱生 Crushing device of urban intelligent garbage classification system

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CN205388319U (en) * 2016-03-24 2016-07-20 红河学院 Breaker dust recovery device
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CN110560211A (en) * 2019-09-20 2019-12-13 陕西新意达建材产业发展有限公司 Concrete waste recovery device

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