CN111437970A - A kind of concrete waste recycling device for civil engineering - Google Patents

Abstract

The invention provides a concrete waste recycling device for civil engineering, which belongs to the technical field of concrete technology. One side wall of the first recovery box is provided with a first pushing mechanism near the bottom, and the other side wall is provided with a first outlet near the bottom; the secondary processing unit includes a second recovery box and a second group of horizontal crushing mechanisms, the second recovery box The top is communicated with the first outlet through the feeding channel, and the bottom is provided with a secondary filter screen. A waste conveyor belt is arranged at the outlet; the tertiary processing unit is arranged below the primary processing unit and the secondary processing unit. The device can crush, filter and recycle the uncured residual material in the concrete for many times through grading treatment, thereby improving the recycling rate of concrete waste.

Description

A kind of concrete waste recycling device for civil engineering

technical field

The invention belongs to the technical field of concrete technology, and particularly relates to a concrete waste recycling device for civil engineering.

Background technique

Concrete, abbreviated as "concrete (tóng)": refers to a general term for engineering composite materials in which aggregates are cemented into a whole by cementitious materials. The term concrete usually refers to cement concrete as cementitious material, sand and stone as aggregate; it is mixed with water (which may contain admixtures and admixtures) in a certain proportion, and the cement concrete obtained by stirring is also called ordinary concrete. Concrete, which is widely used in civil engineering.

In the construction process of civil engineering, some concrete waste is often generated. Concrete waste occupies a large area and is difficult to degrade. It is often necessary to recycle the concrete waste. The specific treatment method is usually to use a recycling device to pulverize the concrete waste and reuse the pulverized materials. With the increasing scale of civil engineering construction, the reinforced concrete structure has become the main body of the building structure, and the resulting concrete waste is increasing day by day. The existing recycling device generally only processes once, the processing process is rough, the recycling rate is low, and the real recycling rate is not achieved. recycling purpose.

Therefore, the present application provides a concrete waste recycling device for civil engineering.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides a concrete waste recycling device for civil engineering.

In order to achieve the above object, the present invention provides the following technical solutions:

A concrete waste recycling device for civil engineering, comprising a primary processing unit, a secondary processing unit and a tertiary processing unit arranged in sequence from top to bottom;

The primary treatment unit includes a first recovery box and a first group of horizontal crushing mechanisms arranged in the first recovery box. The first recovery box is provided with a feeding hopper at the top and a primary filter at the bottom. One side wall of the first recovery box is provided with a first pushing mechanism near the bottom, the other side wall is provided with a first outlet near the bottom, and a first automatic sealing door is provided inside the first outlet;

The secondary processing unit is arranged under one side of the primary processing unit, and the secondary processing unit includes 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 the feeding channel, and the bottom is provided with a secondary filter screen. A second outlet is arranged, a second automatic sealing door is arranged inside the second outlet, and a waste conveyor belt is arranged at the second outlet;

The tertiary processing unit is arranged below the primary processing unit and the secondary processing unit, the tertiary processing unit includes a vibration crushing unit, a tertiary filtering unit and a collection box, the first recovery box and the second The bottom of the recovery box communicates with the top of the vibration crushing unit, the tertiary filter unit is arranged below the vibration crushing unit, and the bottom of the tertiary filter unit communicates with the collection box.

Preferably, the vibration crushing unit includes two sets of symmetrically arranged crushing mechanisms, each group of the crushing mechanisms includes a vertical plate, a first electric telescopic rod and a splint, and the first electric telescopic rod is fixed on the inner side of the vertical plate , the end of the first electric telescopic rod is fixedly connected with the outer wall of the splint, the two splints are arranged opposite to form a feeding channel, the inner wall of the splint is provided with crushing teeth, the first recovery box and the second The bottom of the recovery box communicates with the top of the feed channel.

Preferably, the first group of horizontal crushing mechanisms and the second group of horizontal crushing mechanisms each include two horizontally arranged crushing rollers and a motor that drives the crushing rollers to rotate, and the crushing rollers are provided with a helical cutter, The motor is fixed on the outer wall of the first recovery box or the second recovery box, one end of the crushing roller is drivingly connected with the output shaft of the motor, and the other end is rotatably connected with the first recovery box or the second recovery box.

Preferably, both the first pushing mechanism and the second pushing mechanism include a push plate and a second electric telescopic rod, and the second electric telescopic rod is arranged on the outer wall of one side of the first recovery box or the second recovery box , the push plate is arranged inside the outer wall of one side of the first recovery box or the second recovery box and is located below the first group of horizontal crushing mechanisms or the second group of horizontal crushing mechanisms, the rod of the second electric telescopic rod The end of the piece is fixedly connected with the push plate.

Preferably, the tertiary filter unit comprises a collection cover and a tertiary filter screen arranged at the bottom of the collection cover, the collection cover is arranged below the feed channel, the tertiary filter screen is connected to the collection box Connected.

Preferably, the upper part of the collection box is an inverted funnel structure, and a plurality of spray units are arranged on the inner wall above the collection box.

Preferably, it also includes a controller, a dust concentration sensor is arranged in the first recovery box and the second recovery box, a dust removal port is opened on the top of the first recovery box and the second recovery box, and the dust removal port is located at the top of the first recovery box and the second recovery box. An electric check valve is provided, the electric check valve is electrically connected with the controller, and a dust collection bag is communicated with the electric check valve through a dust removal channel.

The concrete waste recycling device for civil engineering provided by the present invention comprises a primary processing unit, a secondary processing unit and a tertiary processing unit which are arranged in sequence from top to bottom, and the uncured residual material in the concrete can be crushed multiple times through grading treatment , filtration and recycling, which is convenient for the later disposal of concrete waste, and greatly improves the recycling rate of concrete waste; by setting up a dust collection bag, the dust generated during waste disposal can be collected to avoid damage to the surrounding environment during the recycling process.

Description of drawings

1 is a schematic structural diagram of a concrete waste recycling device for civil engineering according to Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a first-level processing unit.

Description of reference numbers:

The first recovery box 1, the feeding hopper 2, the primary filter screen 3, the first material pushing mechanism 4, the first automatic sealing door 5, the second recovery box 6, the secondary filter screen 7, the second material pushing mechanism 8, The second automatic sealing door 9, the waste conveyor belt 10, the collection box 11, the vertical plate 12, the clamping plate 13, the crushing teeth 14, the crushing roller 15, the motor 16, the cutter 17, the collection cover 18, the tertiary filter 19, the spray Unit 20 , dust concentration sensor 21 , electric check valve 22 , dust collection bag 23 , first electric telescopic rod 24 .

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention and implement them, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

In the description of the present invention, it should 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 The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the technical solutions of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, It is constructed and operated in a particular orientation and is therefore not to be construed as a limitation of the present invention.

Furthermore, the terms "first," "second," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance. In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more, which will not be described in detail here.

Example 1

The present invention provides a concrete waste recycling device for civil engineering, as shown in Fig. 1 and Fig. 2 specifically, comprising a primary processing unit, a secondary processing unit and a tertiary processing unit sequentially arranged from top to bottom;

The primary treatment unit includes a first recovery box 1 and a first group of horizontal crushing mechanisms arranged in the first recovery box 1. The top of the first recovery box 1 is provided with a feeding hopper 2, and the bottom is provided with a primary filter screen 3. One side wall of the recovery box 1 is provided with a first pushing mechanism 4 near the bottom, the other side wall is provided with a first outlet near the bottom, and a first automatic sealing door 5 is provided inside the first outlet. The concrete waste can be preliminarily crushed by the first group of horizontal crushing mechanisms, the relatively large waste blocks are crushed, and filtered through the primary filter screen, and the filtered residue is sent to the secondary processing unit through the first outlet.

The secondary processing unit is arranged under one side of the primary processing unit, and the secondary processing unit includes 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 passes through the inlet. The material channel is communicated with the first outlet, the bottom is provided with a secondary filter screen 7, one side wall of the second recovery box 6 is provided with a second pushing mechanism 8 near the bottom, and the other side wall is provided with a second outlet near the bottom. A second automatic sealing door 9 is arranged inside the outlet, and a waste conveyor belt 10 is arranged at the second outlet; through the second group of horizontal crushing mechanisms, the residues processed by the primary treatment unit can be crushed again, and the residues are crushed and passed through. The secondary filter screen is used for filtration, and the filtered residue is discharged through the waste conveyor belt, and the concrete treatment material passing through the primary filter screen and the secondary filter screen enters the tertiary processing unit.

The tertiary processing unit is arranged below the primary processing unit and the secondary processing unit. The tertiary processing unit includes a vibration crushing unit, a tertiary filtering unit and a collection box 11. The bottoms of the first recovery box 1 and the second recovery box 6 are The top of the vibration crushing unit is communicated with, the tertiary filter unit is arranged below the vibration crushing unit, and the bottom of the tertiary filter unit is communicated with the collection box 11 .

Specifically, in this embodiment, the vibration crushing unit includes two sets of symmetrically arranged crushing mechanisms, each set of crushing mechanisms includes a vertical plate 12, a first electric telescopic rod 24 and a clamping plate 13, and the first electric telescopic rod 24 is fixed on the vertical plate 12 inside, the end of the first electric telescopic rod 24 is fixedly connected with the outer wall of the splint 13, the two splints 13 are arranged opposite to form a feeding channel, the inner wall of the splint 13 is provided with crushing teeth 14, the first recovery box 1 and the second recovery box 6 The bottoms are all communicated with the top of the feed channel. The two first electric telescopic rods 24 drive the splint to move forward or backward, so as to perform final crushing on the processed material passing through the feeding channel. The crushed material enters the tertiary filter unit, and then enters the collection box 11 after being filtered by the tertiary filter unit.

Further, in this embodiment, the first group of horizontal crushing mechanisms and the second group of horizontal crushing mechanisms each include two horizontally arranged crushing rollers 15 and a motor 16 that drives the crushing rollers 15 to rotate. The cutter 17 and the motor 16 are fixed on the outer wall of the first recovery box 1 or the second recovery box 6. One end of the crushing roller 15 is connected with the output shaft of the motor 16, and the other end is connected to the first recovery box 1 or the second recovery box 6. Turn the connection. The crushing roller 15 is driven by the motor 16 to rotate, and the crushing roller 15 further drives the helical cutter 17 to rotate, so as to cut and crush the concrete waste.

Further, in this embodiment, both the first pushing mechanism 4 and the second pushing mechanism 8 include a push plate and a second electric telescopic rod, and the second electric telescopic rod is arranged in the first recovery box 1 or the second recovery box 6 . One side of the outer wall, the push plate is arranged inside the outer wall of the first recovery box 1 or the second recovery box 6 and is located below the first group of horizontal crushing mechanisms or the second group of horizontal crushing mechanisms, the end of the rod of the second electric telescopic rod Fixed connection with push plate. In this embodiment, the push plate is driven forward by the second electric telescopic rod, and the residue filtered by the primary filter screen and the secondary filter screen is pushed to the first outlet or the second outlet, and then enters the secondary outlet through the first outlet. The processing unit, or through the second outlet to the waste conveyor belt, through the conveyor belt to the waste collection place, this part is non-reusable waste.

In this embodiment, the tertiary filter unit includes a collection cover 18 and a tertiary filter screen 19 arranged at the bottom of the collection cover 18 .

In order to reduce the dust in the collection box, in this embodiment, the upper part of the collection box 11 is an inverted funnel structure, and the inner wall above the collection box 11 is provided with a plurality of spray units 20 , through which water mist is sprayed into the collection box 11 , reduce dust.

Further, in this embodiment, a controller is also included, a dust concentration sensor 21 is arranged in the first recovery box 1 and the second recovery box 6, and a dust removal port is opened on the top of the first recovery box 1 and the second recovery box 6. , An electric check valve 22 is arranged at the dust removal port, the electric check valve 22 is electrically connected with the controller, and the electric check valve 22 communicates with a dust collection bag 23 through the dust removal passage. The controller receives the collected value of the dust concentration sensor 21, compares the collected value with the set value, and controls the opening and closing of the electric check valve 22 according to the comparison result, so as to realize the automatic collection of dust.

The concrete waste recycling device for civil engineering provided in this embodiment can crush, filter and recycle the uncured residual material in concrete for many times through grading treatment, which is convenient for the treatment of concrete waste in the later stage, greatly improves the recycling rate of concrete waste, and is practical Strong sex, suitable for promotion.

The above-mentioned embodiments are only preferred specific embodiments of the present invention, and the protection scope of the present invention is not limited thereto. Any person skilled in the art can obviously obtain the simplicity of the technical solution within the technical scope disclosed in the present invention. Changes or equivalent replacements all belong to the protection 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.

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