CN213192687U

CN213192687U - Waste recovery system of concrete mixing plant

Info

Publication number: CN213192687U
Application number: CN202021676050.9U
Authority: CN
Inventors: 左蛟; 王占山; 辜虹月; 张恩朋
Original assignee: Beijing Urban Construction Yatai Jintong Concrete Co ltd
Current assignee: Beijing Urban Construction Yatai Jintong Concrete Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-14
Anticipated expiration: 2030-08-12

Abstract

The application relates to the technical field of concrete waste recovery, and discloses a waste recovery system of a concrete mixing plant, which comprises a separator, a first box body and a second box body; the separator is provided with a feed inlet and a screen for separating sand and slurry; the separator is provided with a first discharging pipe for discharging sand and stone and a second discharging pipe for discharging slurry, the first discharging pipe is connected to the first box body, the second discharging pipe is connected to the second box body, and a connecting pipe is arranged between the first box body and the second box body; a first-stage cleaning device is arranged in the separator, and a second-stage cleaning device is arranged in the first box body. The concrete recycling system can completely recycle the waste solid and the slurry of the concrete, and reduces the waste of resources.

Description

Waste recovery system of concrete mixing plant

Technical Field

The application relates to the technical field of concrete waste recycling, in particular to a waste recycling system of a concrete mixing plant.

Background

At present, a concrete mixing plant is a place for intensively producing concrete, a mixer truck is required to be transported to a construction site for use after the concrete is synthesized, but residual and waste concrete can be produced in the production process of the mixing plant, and residual quantity can not be poured out in the mixer truck, so that the residual concrete not only causes resource waste, but also can be changed into solidified waste garbage once the concrete is solidified without recycling or improper treatment, and economic loss and environmental damage can be caused to enterprises and social environments. At present, all concrete proportioning materials are machine-made sand, and the use of recycled grout is favorable for improving the workability of concrete and improving the compressive strength and the impermeability of concrete, so that the mixed grout needs to be subjected to sand-stone separation and the grout is recycled. The existing mixing plant does not fully realize the reutilization of solid wastes at present, and slurry discharged from the sand-stone separator is directly thrown away to cause resource waste.

In view of the above-mentioned related art, the inventors considered that there was a defect that recovery of concrete waste solids and slurry water was incomplete.

SUMMERY OF THE UTILITY MODEL

In order to carry out comparatively complete recovery to the waste material of concrete, this application provides a concrete mixing plant waste recycling system.

The application provides a concrete mixing plant waste recovery system adopts following technical scheme:

a waste recovery system of a concrete mixing plant comprises a separator, a first box body and a second box body;

the separator is provided with a feed inlet and a screen for separating sand and slurry;

the separator is provided with a first discharging pipe for discharging sand and stone and a second discharging pipe for discharging slurry, the first discharging pipe is connected to the first box body, the second discharging pipe is connected to the second box body, and a connecting pipe is arranged between the first box body and the second box body;

a first-stage cleaning device is arranged in the separator, and a second-stage cleaning device is arranged in the first box body.

By adopting the technical scheme, the waste materials are put into the separator from the feeding hole for separation, and the sand and stone are left on the screen in the separator and discharged from the first discharging pipe to enter the first box body communicated with the first discharging pipe; the mud falls down from the aperture on the screen, can be discharged from the second discharge pipe and enters a second box connected with the second discharge pipe to collect the mud, so that the separation effect is achieved; be provided with one-level belt cleaning device in the separator and can spray water in to the separator, make the better separation of mud and grit, the second grade cleaning device who sets up in the first box can clear up adnexed thick liquids on the grit, and the water that has cleared up can enter into the second box and retrieve mud and utilize.

Preferably, the primary cleaning device comprises a water inlet pipe arranged on two opposite inner walls of the separator and a spray header arranged on the water inlet pipe at intervals.

Through adopting above-mentioned technical scheme, one-level belt cleaning device's effect dilutes the concrete, makes grit and the better breaking away from of mud, realizes the effect of separation sooner, also can clear up the mud that glues on the grit simultaneously to recycle grit.

Preferably, two opposite side walls in the first box body are provided with strip-shaped plates, the strip-shaped plates are provided with filter plates, and the secondary cleaning device is arranged above the filter plates.

Through adopting above-mentioned technical scheme, the effect of supporting the filter plate is played to the bar shaped plate, and the grit enters into first box, falls on the filter plate, and mud enters into the below of filter plate, and filter plate detachable connects in first box, is convenient for take out the filter plate in following first box, conveniently takes out the grit and collects.

Preferably, the secondary cleaning device comprises a hard pipe arranged on the inner wall of the first box body, a hose arranged in the hard pipe and a through hole arranged at the coincident position of the hard pipe and the hose;

the hose intercommunication is on the water source, the through-hole interval sets up and the opening orientation diverse.

Through adopting above-mentioned technical scheme, second grade belt cleaning device washs the grit in the first box, and hose switch-on water source, hose setting are in the hard tube, and the hard tube plays the effect of support, is provided with the through-hole on hard tube and the corresponding position of hose, sprays water in to the first box through the through-hole, make grit clearance effect better.

Preferably, a discharge port is arranged on the side wall of the first box body, and the discharge port is used for taking out the filter plate.

Through adopting above-mentioned technical scheme, when the grit clean up in the first box, need take out the grit and retrieve, the setting of bin outlet is used for making the filter plate take out from the box in, is convenient for take off the grit on the filter plate after taking out.

Preferably, a baffle plate is vertically and upwards arranged at one end, far away from the discharge port, of the filter plate.

Through adopting above-mentioned technical scheme, the filter plate is at the in-process of taking out, and the baffle can play the effect of keeping off the grit, prevents that the grit from dropping in the filter plate below.

Preferably, be provided with the axis of rotation in the first box, the axis of rotation overcoat is equipped with the axle sleeve, be provided with the flat board on the axle sleeve, dull and stereotyped upper surface flushes with the bar shaped plate, forms the U-shaped structure, the lower surface overlap joint of filter plate is on the flat board, and with the axis of rotation is the upset under the axial.

By adopting the technical scheme, when the filter plate is pulled outwards from the discharge port, the filter plate inclines downwards due to self gravity after being pulled out for a certain distance, at the moment, the flat plate, the shaft sleeve and the rotating shaft which are lapped on the lower surface of the filter plate rotate, so that the filter plate keeps an inclined state, and gravels on the filter plate roll down along the inclined filter plate for collection.

Preferably, the connecting pipe is located on a side wall of the first tank and below the filter plate.

Through adopting above-mentioned technical scheme, the below at the filter plate is connected to the one end of connecting pipe, and the filter plate below in the first box is the mud that erodees the grit and leave, and mud can enter into the second box through the connecting pipe and collect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the problem that sand and slurry are generated in the production process of concrete is solved, the sand and the slurry are respectively recycled, solid waste and waste liquid which cause the environment are reduced for reutilization, and environmental pollution is reduced;

2. the first box body is convenient for cleaning the sand and taking out the sand for recycling;

3. the recycling device is low in manufacturing cost and has strong practicability.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the separator in the embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the first casing in the embodiment of the present application.

FIG. 4 is a schematic structural diagram of a secondary cleaning device in an embodiment of the present application.

Fig. 5 is a schematic view of a connection structure of the filter plate and the first tank in the embodiment of the present application.

Fig. 6 is a schematic structural view of the filter plate in an inclined state in the embodiment of the present application.

Fig. 7 is a schematic structural diagram of a plate and a rotating shaft in the embodiment of the present application.

Description of reference numerals: 1. a separator; 11. a feed inlet; 12. screening a screen; 13. a first discharge pipe; 14. a second discharge pipe; 15. a water inlet pipe; 16. a shower head; 2. a first case; 21. a strip plate; 22. filtering the plate; 221. a baffle plate; 23. a hard tube; 24. a hose; 25. a through hole; 26. a discharge outlet; 27. a rotating shaft; 28. a shaft sleeve; 29. a flat plate; 3. a second case; 41. and (4) connecting the pipes.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses concrete mixing plant waste recovery system. Referring to fig. 1, a waste recycling system of a concrete mixing plant includes a separator 1, a first tank 2, and a second tank 3. The separator 1 is used for separating sand and mud in the concrete, collects respectively after the separation, is provided with first discharging pipe 13 and second discharging pipe 14 on the separator 1, and sand enters into and is connected in first box 2 with first discharging pipe 13 from first discharging pipe 13 discharge, collects sand and stone in the first box 2 of follow. The slurry is discharged from the second discharge pipe 14 into the second tank 3, and the slurry is collected from the second tank 3.

Referring to fig. 2, the separator 1 is a core device for a concrete recycling system, and is mainly used for cleaning, separating and recycling sewage from a tank car and sand in residual concrete. The upper surface of the separator 1 is provided with a feed inlet 11 for placing concrete into the separator. The separator 1 is provided with a screen 12 and a driving mechanism for driving the screen 12 to vibrate, the screen 12 is obliquely arranged on the inner wall of the separator 1, when sand and slurry enter the screen 12 through the feed port 11, the sand rolls down along the oblique screen 12, the sand cannot fall from the screen 12, and the slurry can pass through the screen 12, so that the sand and the slurry can be separated.

Referring to fig. 2, a primary cleaning device is provided in the separator 1, and the primary cleaning device includes a water inlet pipe 15 and a shower head 16. Both ends of the water inlet pipe 15 are connected to two opposite inner walls of the separator 1, and the water inlet pipe 15 is disposed along the length direction of the separator 1. The spray headers 16 are arranged at intervals along the length direction of the water inlet pipe 15, the spray headers 16 are communicated with the water inlet pipe 15, and the openings of the spray headers 16 are different in direction and are sprayed onto the screen in the separator 1. The sand and the slurry are washed away, so that the sand and the slurry can be separated more quickly, and a better separation effect is achieved.

Referring to fig. 1, a first discharge pipe 13 is provided on the side wall of the separator 1 above the screen 12, and the first discharge pipe 13 is located at the lower end of the screen 12. A second discharge pipe 14 is arranged below the screen 12, and the lower discharge pipe 14 is located below the first discharge pipe 13. The other ends of the first and

second discharge pipes

13 and 14 are located on the top walls of the first and

second tank bodies

2 and 3, respectively.

Referring to fig. 3, the first box 2 is square, and two strip-shaped plates 21 are fixedly arranged at two longer positions of the inner wall, the number of the strip-shaped plates 21 is two, and the two strip-shaped plates 21 are located at the same height. A filter sheet 22 is placed on the upper surface of the strip plate 21, and the strip plate 21 functions to support the filter sheet 22. When sand enters the first tank 2 from the first discharge pipe 13, the sand remains on the filter plate 22. A secondary cleaning device is arranged in the first tank body 2 above the filter plate 22 to clean the sand and wash away slurry on the sand and stone. The water is flushed on the sand and falls through the holes on the filter plate 22 and is temporarily stored in the first tank 2.

Referring to fig. 3 and 4, the secondary cleaning apparatus includes a pipe 23, a hose 24, and a through hole 25, the hose 24 is disposed inside the pipe 23, one end of the hose 24 extends from the inner wall of the first casing 2 for communicating with a water source, and both ends of the pipe 23 are connected to two parallel side walls of the first casing 2. The quantity of through-hole 25 is a plurality of, sets up along the length direction interval of hard tube 23, and the opening direction diverse, can spray the grit from a plurality of angles. The through hole 25 is arranged at the position where the hard pipe 23 and the hose 24 are superposed, namely, water in the hose 24 can flow to the filter plate 22 through the through hole 25 to flush sand and stone, so that the sand and mud can be better separated.

In order to further separate sand from stone in the first tank 2, a strainer may be provided below the filter plate 22, the strainer having a smaller aperture to further separate sand from stone. The stones remain on the filter plate 22 and the sand passes through the filter plate and into the screen. The net that leaks is detachable connects in first box 2, also conveniently will leak the grit on the net and take out from first box 2, also can add to leak the net or cancel to leak the net as required, when needs separate the grit, will leak the net and install in first box 2, if need not when separating the grit, can not add to leak the net.

Referring to fig. 5, in order to facilitate taking out the sand in the first casing 2, a discharge opening 26 is provided on a side wall of the first casing 2, the discharge opening 26 is located on a side wall of a shorter side of the first casing 2, and a cover plate is provided on the discharge opening 26 to open the discharge opening 26. When the discharge opening 26 is opened, the filter plate 22 used in the first tank 2 can protrude outward through the discharge opening 26, so that sand on the filter plate 22 can be taken out. A baffle 221 is vertically arranged upwards on the filter plate 22 at the end far away from the discharge port 26, and during the process of drawing out the filter plate 22, the baffle 221 can play a role of blocking sand and stone, and the sand and stone are prevented from falling below the filter plate 22.

Referring to fig. 5 and 6, a rotating shaft 27 is disposed at an end of the strip-shaped plate 21 close to the discharge opening 26, the rotating shaft 27 is perpendicular to the length direction of the strip-shaped plate 21, a shaft sleeve 28 is fixedly connected to the outside of the rotating shaft 27, and a flat plate 29 is fixedly connected to the shaft sleeve 28. The flat plate 29 is flush with the upper surfaces of the two strips 21 and the three form a U-shaped structure for receiving the filter plate 22. The lower surface of the filter sheet 22 is overlapped on the upper surface of the flat plate 29 and can be turned upside down with the rotation shaft 27 as an axis.

Referring to fig. 6 and 7, when the filter plate 22 is drawn out by opening the discharge opening 26, the filter plate 22 is inclined downward by its own weight after being drawn out for a certain distance, and at this time, the flat plate 29, the boss 28 and the rotary shaft 27, which are overlapped on the lower surface of the filter plate 22, are rotated downward to keep the filter plate 22 in an inclined state, and sand on the filter plate 22 is rolled down along the inclined filter plate 22 to be collected.

Referring to fig. 3, in order to collect the slurry in the first tank 2, a connection pipe 41 is connected between the first tank 2 and the second tank 3, and one end of the connection pipe 41 located in the first tank 2 is located below the filter plate 22, and since the slurry is located below the filter plate 22 in the first tank 2, the slurry can enter the second tank 3 through the connection pipe 41 to be recycled.

The implementation principle of the waste recovery system of the concrete mixing plant in the embodiment of the application is as follows:

when the concrete separator is used, concrete enters the separator 1 from the feeding hole 11, and sand and slurry are separated under the washing of the primary cleaning device. The sand and stone are discharged from the first discharge pipe 13 and enter the first box body 2 after being discharged, and the slurry is discharged from the second discharge pipe 14 and enters the second box body 3 for collection. The grit that enters into in the first box 2 carries out better separation with mud and grit under second grade belt cleaning device's washing, and mud enters into in the second box 3 through connecting pipe 41 and collects. The grit discharges through bin outlet 26 on the first box 2 lateral wall, collects, has reduced the waste of resource.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete mixing plant waste recovery system which characterized in that: comprises a separator (1), a first box body (2) and a second box body (3);

a feed inlet (11) is formed in the separator (1), and a screen (12) is arranged in the separator (1) and used for separating sand and stone from slurry;

a first discharging pipe (13) used for discharging sand and stone and a second discharging pipe (14) used for discharging slurry are arranged on the separator (1), the first discharging pipe (13) is connected to the first box body (2), the second discharging pipe (14) is connected to the second box body (3), and a connecting pipe (41) is arranged between the first box body (2) and the second box body (3);

a primary cleaning device is arranged in the separator (1), and a secondary cleaning device is arranged in the first box body (2).

2. The waste recycling system of a concrete mixing plant according to claim 1, characterized in that: the primary cleaning device comprises a water inlet pipe (15) arranged on two opposite inner walls of the separator (1) and spray headers (16) arranged on the water inlet pipe (15) at intervals.

3. The waste recycling system of a concrete mixing plant according to claim 1, characterized in that: the two opposite side walls in the first box body (2) are provided with strip-shaped plates (21), the strip-shaped plates (21) are provided with filter plates (22), and the secondary cleaning device is arranged above the filter plates (22).

4. The waste recycling system of a concrete mixing plant according to claim 1, characterized in that: the secondary cleaning device comprises a hard pipe (23) arranged on the inner wall of the first box body (2), a hose (24) arranged in the hard pipe (23) and a through hole (25) arranged at the overlapped position of the hard pipe (23) and the hose (24);

the hose (24) is communicated with a water source, and the through holes (25) are arranged at intervals and have different opening directions.

5. The waste recycling system of a concrete mixing plant according to claim 3, characterized in that: the side wall of the first box body (2) is provided with a discharge opening (26), and the discharge opening (26) is used for taking out the filter plate (22).

6. The waste recycling system of a concrete mixing plant according to claim 3, characterized in that: and a baffle (221) is vertically and upwards arranged at one end of the filter plate (22) far away from the discharge port (26).

7. The concrete batching plant waste recovery system according to claim 5, wherein: be provided with axis of rotation (27) in first box (2), axis of rotation (27) overcoat is equipped with axle sleeve (28), be provided with flat board (29) on axle sleeve (28), the upper surface and the bar shaped plate (21) of flat board (29) flush, form the U-shaped structure, the lower surface overlap joint of filter plate (22) is on flat board (29), and with axis of rotation (27) overturn under for the axial.

8. The waste recycling system of a concrete mixing plant according to claim 3, characterized in that: the connecting pipe (41) is positioned on the side wall of the first box body (2) and below the filter plate (22).