CN219308994U - Concrete waste sand and stone separation system - Google Patents

Abstract

The application relates to a concrete waste sand and stone separation system, which is applied to the field of concrete waste treatment and comprises a feeding unit, a concrete waste conveying and separating unit, a water flushing unit, a vibrating unit and a concrete sand receiving unit; the concrete waste conveying and separating unit comprises a conveying and separating frame and a conveying and separating screen mesh which is obliquely arranged; the feeding unit is arranged at the feeding end of the concrete waste conveying and separating unit and can convey the concrete waste to the conveying and separating screen; the water flushing unit and the vibration unit are arranged on the concrete waste conveying and separating unit, concrete waste can be separated to obtain concrete sand and stones, the concrete sand receiving unit is arranged below the concrete waste conveying and separating unit, the concrete sand falls into the concrete sand receiving unit, and the stones fall into the discharge end of the concrete waste conveying and separating unit. The utility model provides a concrete waste grit piece-separating system utilizes water to wash the combined action of unit and vibrating unit, can promote the effect of concrete waste grit piece-separating.

Description

Concrete waste sand and stone separation system

Technical Field

The present application relates to the field of concrete waste treatment, and in particular to a concrete waste sand and stone separation system.

Background

Along with the continuous acceleration of urban construction pace, the concrete is widely applied, and in urban construction engineering, more concrete waste (also called waste concrete) is generated in the early stage of concrete production, the middle stage of building construction or the later stage of building demolition, and the concrete waste is difficult to treat, and if the concrete waste is directly discarded, the concrete waste can cause great pollution and space occupation, so that the concrete waste can be recycled and reused on a large scale. The concrete waste material mainly comprises two parts of sand and stone, the current common mode is to firstly crush the sand and stone, then separate the sand and stone by adopting a sand-stone separation technology, and finally recycle the obtained sand and stone resources.

The Chinese patent with the publication number of CN213255884U discloses a concrete waste sand-stone separation device, which is characterized in that concrete waste is firstly added into a feeding device, the feeding device is uniformly distributed on a conveyor belt, the conveyor belt is mainly composed of two rubber belts which are arranged side by side and a plurality of connecting rods which are uniformly distributed among the rubber belts, the distance between the adjacent connecting rods is smaller than the size of stones in the concrete waste, the conveyor belt conveys the concrete waste into a separation tank, sand and stones in the concrete waste can be separated in a flushing mode under the action of a water pump and a spray head, and the concrete sand falls into the separation tank below after passing through the conveyor belt, so that sand and stone resources can be finally obtained for recycling. However, only through the mode of water washing to sand, stone in the concrete waste material separate, separation effect is relatively poor, has the dead angle that partial water washed can not reach, and has partial concrete sand to mix between the stone, is difficult to wash and separates.

Disclosure of Invention

In order to improve the defect that the sand and stone separation effect is poor in the concrete waste, the application provides a concrete waste sand and stone separation system.

The application provides a concrete waste material grit piece-rate system adopts following technical scheme:

the concrete waste sand and stone separation system comprises a feeding unit, a concrete waste conveying and separating unit, a water flushing unit, a vibrating unit and a concrete sand receiving unit; the concrete waste conveying and separating unit comprises a conveying and separating frame and a conveying and separating screen mesh arranged on the conveying and separating frame, and the conveying and separating screen mesh is obliquely downwards arranged from the feeding end of the concrete waste conveying and separating unit towards the discharging end of the concrete waste conveying and separating unit; the feeding unit is arranged at the feeding end of the concrete waste conveying and separating unit and can be used for conveying the crushed concrete waste to the conveying and separating screen; the water flushing unit is arranged above the concrete waste conveying and separating unit, the vibrating unit is arranged on the concrete waste conveying and separating unit, concrete waste can be separated to obtain concrete sand and stones through the water flushing unit and the vibrating unit, the concrete sand receiving unit is arranged below the concrete waste conveying and separating unit, the concrete sand falls into the concrete sand receiving unit through the conveying and separating screen, and the stones are conveyed to the discharge end of the concrete waste conveying and separating unit.

Through adopting above-mentioned technical scheme, send into the feeding unit with the concrete waste material after smashing the processing, send to on carrying the separation screen by feeding unit, carry the separation screen itself slope setting, add vibrating unit's vibrating action, make the concrete waste material can obtain carrying on carrying the separation screen, in this process, water flushing unit and vibrating unit combined action, can make the concrete waste material separate on carrying the separation screen and obtain concrete sand and stone, the concrete sand falls into the concrete sand receiving element of below through carrying the separation screen, the stone then carries the discharge end of separation unit to the concrete waste material through carrying the separation screen, finally pile up subaerial, realize the purpose of concrete waste material grit separation, this application utilizes water flushing unit and vibrating unit's combined action, can promote the effect of concrete waste grit separation, the condition at the dead angle of grit unable separation appears is avoided.

Optionally, the feeding unit comprises a feeding frame crossing the conveying separation screen and a feeding hopper fixed on the feeding frame, a discharge hole at the bottom of the feeding hopper is aligned to the conveying separation screen, and crushed concrete waste in the feeding hopper is conveyed onto the conveying separation screen through the discharge hole of the feeding hopper.

Through adopting above-mentioned technical scheme, the concrete waste material after smashing in the feed hopper can evenly send to on carrying the separation screen through its discharge gate, paves evenly, promotes the effect of concrete waste material grit separation.

Optionally, the concrete sand receiving unit includes that the top is the concrete sand receiving box of open structure and locates the concrete sand receiving net of concrete sand receiving box, the concrete sand receiving box is located under the transport separation screen cloth, the concrete sand falls on the concrete sand receiving net of concrete sand receiving box, the waste water that the water flushing unit produced falls into the space of concrete sand receiving net below in the concrete sand receiving box.

Through adopting above-mentioned technical scheme, the concrete sand receiving box can receive the waste water that concrete sand and water flushing unit produced, and concrete sand falls on the concrete sand receiving net of concrete sand receiving box in, and the waste water that water flushing unit produced then falls into the space of concrete sand receiving net below in the concrete sand receiving box for waste water can obtain the cyclic utilization, and concrete sand can be with waste water separation, the recycle of the concrete sand of being convenient for.

Optionally, the water flushing unit includes water pump, delivery pipe, spray coil and shower head, the water pump is installed in the concrete sand receiving box in the space of concrete sand receiving net below, the water flushing frame is installed to the top of carrying the separation frame, spray coil is snakelike and arranges in the water flushing frame, the shower head distributes on the spray coil, delivery pipe switch-on water outlet end and the spray coil of water pump.

Through adopting above-mentioned technical scheme, the waste water that falls into in the concrete sand receiving box can be sucked to the delivery water pipe to the water pump, finally spray out from the shower head through the spray coil, carry out water washing to the concrete waste on the delivery separation screen for grit in the concrete waste obtains separating.

Optionally, the both ends of carrying the separation screen cloth extend concrete waste material and carry the feed end and the discharge end of separation unit, carry and all set up the support platen on the both sides inner wall of separation frame, carry the separation screen cloth to take and put on the support platen of both sides, just carry the separation screen cloth and carry the inner wall interval setting of separation frame, carry the separation screen cloth with be equipped with damping spring between the support platen, vibrating unit installs carry the separation screen cloth is last.

Through adopting above-mentioned technical scheme, vibrating element installs on carrying the separation screen, can carry out the grit separation to the concrete waste material of carrying on the separation screen, promotes the effect of concrete waste material grit separation. The damping spring plays a role in damping between the conveying separation screen and the conveying separation frame, and reduces the influence of the conveying separation screen on the conveying separation frame in the vibration process.

Optionally, the vibration unit is the vibrator, the vibrator distributes in the both sides of carrying the separation screen cloth, it has the buckler that can shelter from the vibrator to carry on the inner wall of separation frame to extend.

Through adopting above-mentioned technical scheme, the vibrator is continuous vibration when operating, can make the concrete waste material separate on carrying the separation screen cloth and obtain concrete sand and stone, and it combines together with the water flushing unit, promotes concrete waste material grit separation effect. The waterproof cover shields the vibrator and prevents the vibrator from being damaged due to the fact that the vibrator is wetted by water.

Optionally, a flexible baffle plate is arranged between the two sides of the conveying separation screen and the inner wall of the conveying separation frame, and the flexible baffle plate is obliquely downwards arranged towards the direction of conveying the separation screen.

By adopting the technical scheme, the flexible baffle plate can shield concrete waste on two sides of the conveying separation screen, so that the concrete waste at the position is prevented from falling into a gap between the conveying separation screen and the inner wall of the conveying separation frame, and dead angles, in which sand and stone cannot be separated, are avoided; and the flexible striker plate is obliquely arranged, so that the concrete waste at the position can be guided to move towards the middle part of the conveying and separating screen, and the sand-stone separation effect of the concrete waste is improved.

Optionally, two ends of the flexible baffle plate extend out of a feeding end and a discharging end of the concrete waste conveying and separating unit.

By adopting the technical scheme, on one hand, the concrete waste can be ensured not to fall from two sides of the conveying and separating screen immediately after falling on the conveying and separating screen from the feeding hopper; on the other hand, the separated stones can be ensured to be smoothly conveyed to the discharge end of the concrete waste conveying and separating unit through the conveying and separating screen, and the stones are prevented from falling from the two sides of the conveying and separating screen.

In summary, the present application includes the following beneficial technical effects:

1. the water flushing unit and the vibration unit act together, so that concrete waste can be separated on the conveying and separating screen to obtain concrete sand and stones, the sand-stone separation effect of the concrete waste can be improved, and the condition of dead angles, in which sand cannot be separated, is avoided;

2. the flexible baffle plate can shield concrete waste on two sides of the conveying separation screen, so that the concrete waste at the position is prevented from falling into a gap between the conveying separation screen and the inner wall of the conveying separation frame, and dead angles, in which sand and stone cannot be separated, are avoided; and the flexible striker plate is obliquely arranged, so that the concrete waste at the position can be guided to move towards the middle part of the conveying and separating screen, and the sand-stone separation effect of the concrete waste is improved.

Drawings

FIG. 1 is a schematic diagram of a concrete waste sand separation system in an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of a concrete sand receiving unit in an embodiment of the present application.

Reference numerals: 1. a feeding unit; 11. a feeding rack; 12. a hopper; 2. a concrete waste material conveying and separating unit; 21. conveying and separating a rack; 22. conveying the separating screen; 23. a support platen; 24. a damping spring; 25. a flexible dam; 3. a water flushing unit; 31. a water pump; 32. a delivery water pipe; 33. spraying a coil pipe; 34. a spray header; 35. washing the frame with water; 4. a vibration unit; 41. a vibrator; 42. a waterproof cover; 5. a concrete sand receiving unit; 51. a concrete sand receiving box; 52. a concrete sand receiving net.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a concrete waste sand and stone separation system. Referring to fig. 1, the concrete waste sand and gravel separation system comprises a feeding unit 1, a concrete waste conveying and separating unit 2, a water flushing unit 3, a vibrating unit 4 and a concrete sand receiving unit 5, wherein the feeding unit 1 is arranged at the feeding end of the concrete waste conveying and separating unit 2 and can receive crushed concrete waste, the crushed concrete waste is conveyed into the concrete waste conveying and separating unit 2, the water flushing unit 3 and the vibrating unit 4 are arranged on the concrete waste conveying and separating unit 2, the water flushing unit 3 and the vibrating unit 4 are combined, the concrete waste can be separated in the concrete waste conveying and separating unit 2 to obtain concrete sand and stones, the stones fall on the ground from the discharging end of the concrete waste conveying and separating unit 2 and are piled up, and the concrete sand falls into the concrete sand receiving unit 5 arranged below the concrete waste conveying and separating unit 2, so that the purpose of concrete waste sand and gravel separation is achieved. The combined action of the water flushing unit 3 and the vibrating unit 4 is utilized in the embodiment, the effect of separating sand and gravel of concrete waste can be improved, and the situation that sand and gravel cannot be separated dead angles is avoided.

Referring to fig. 1, the concrete waste conveying and separating unit 2 of the present embodiment includes a conveying and separating frame 21 and a conveying and separating screen 22, the conveying and separating frame 21 is composed of two side plates and four supporting legs, the conveying and separating screen 22 is disposed in the conveying and separating frame 21, specifically, the conveying and separating screen 22 is disposed obliquely downward from a feeding end of the conveying and separating frame 21 toward a discharging end of the conveying and separating frame 21, and an inclination angle is controlled to be 5 ° to 8 °, so that on one hand, concrete waste can be conveyed on the conveying and separating screen 22, and on the other hand, conveying speed is ensured not to be too fast, and concrete waste sand and gravel separation effect is improved. In addition, the two ends of the conveying and separating screen 22 are designed to extend out of the feeding end and the discharging end of the conveying and separating frame 21 for a certain distance, so that the feeding unit 1 can conveniently convey concrete waste to the conveying and separating screen 22, and the finally separated stones can be conveniently conveyed out of the discharging end of the conveying and separating frame 21.

Referring to fig. 1 and 2, the concrete waste transporting and separating unit 2 further includes a supporting platen 23, a damping spring 24 and a flexible dam 25, the supporting platen 23 is disposed on inner walls of both sides of the transporting and separating frame 21, the two supporting platens 23 are also disposed obliquely downward from a feed end of the transporting and separating frame 21 toward a discharge end of the transporting and separating frame 21, and an inclination angle of the supporting platen 23 is consistent with an inclination angle of the transporting and separating screen 22, the transporting and separating screen 22 is mounted on the two supporting platens 23, the damping spring 24 is uniformly distributed between the supporting platen 23 and the transporting and separating screen 22 to provide sufficient supporting force for the transporting and separating screen 22, and since the vibrating unit 4 is mounted on the transporting and separating screen 22 and keeps a distance from an inner wall of the transporting and separating frame 21, the transporting and separating screen 22 does not directly transfer vibration to the transporting and separating frame 21 in a process of continuously vibrating the transporting and separating screen 22 when the vibrating unit 4 is operated, so that the transporting and separating frame 21 can be ensured to maintain a stable state.

The flexible baffle plates 25 are respectively stuck on the inner walls of the two sides of the conveying and separating frame 21, the flexible baffle plates 25 are made of rubber with good flexibility, the inner walls of the conveying and separating frame 21 are obliquely downwards arranged towards the conveying and separating screen 22 and stuck with the conveying and separating screen 22, the two ends of the flexible baffle plates 25 are designed to extend out of the feeding end and the discharging end of the conveying and separating frame 21 for a certain distance (the design is consistent with the design of the conveying and separating screen 22), the flexible baffle plates 25 can shield gaps between the conveying and separating screen 22 and the inner walls of the conveying and separating frame 21 so as to prevent concrete waste from accumulating at the gaps, dead angles which cannot be separated by sand and stone are formed, and meanwhile, the concrete waste at the positions can be guided to move towards the middle part of the conveying and separating screen 22, so that the sand and stone separation effect of the concrete waste is improved.

Referring to fig. 1, the feeding unit 1 of the present embodiment includes a feeding frame 11 and a hopper 12, the feeding frame 11 spans over the conveying and separating screen 22, the hopper 12 is fixed on the feeding frame 11 and is located right above the conveying and separating screen 22, the hopper 12 is of a hopper-shaped structure with a top opening and a bottom opening, the size of the top opening of the hopper 12 is larger than that of the bottom opening, and crushed concrete waste is placed into the hopper 12 from the top opening (feed inlet) and is uniformly conveyed onto the conveying and separating screen 22 from the bottom opening (discharge outlet), and at this time, due to the action of flexible baffle plates 25 on both sides of the conveying and separating screen 22, the concrete waste cannot fall from both sides of the conveying and separating screen 22, so that smooth conveying of the concrete waste into the conveying and separating frame 21 is ensured.

Referring to fig. 1 and 2, the vibration unit 4 of the present embodiment includes a vibrator 41 and a waterproof cover 42, the vibrator 41 is provided at each of four corners of the conveying and separating screen 22, and the four vibrators 41 cooperate to ensure continuous vibration of the conveying and separating screen 22, so that concrete waste is separated on the conveying and separating screen 22 to obtain concrete sand and stones. The waterproof covers 42 are arranged in cooperation with the vibrators 41, namely, each vibrator 41 is provided with one waterproof cover 42, the waterproof covers 42 are fixed on the inner wall of the conveying and separating frame 21 and are arranged above the corresponding vibrator 41 to shield the vibrator 41, and the vibrator 41 is prevented from being damaged due to the fact that water sprayed by the water flushing unit 3 wets the vibrator 41.

Referring to fig. 1 and 3, the water flushing unit 3 of the present application includes a water flushing rack 35, a water pump 31, a water delivery pipe 32, a spray coil 33 and a spray header 34, the water flushing rack 35 is installed above the delivery separation rack 21, and is specifically installed on two side plates of the delivery separation rack 21, the spray coil 33 is disposed directly above the delivery separation screen 22, and is installed on the water flushing rack 35 in a serpentine shape, the spray header 34 is uniformly distributed along the spray coil 33, the spray header 34 can spray water on the delivery separation screen 22, one end of the water delivery pipe 32 is detachably connected with the spray coil 33 through a flange, the other end is connected with the water outlet end of the water pump 31, specifically, the water pump 31 is a submersible pump 31, which is installed in the concrete sand receiving unit 5, the concrete sand receiving unit 5 can receive separated concrete sand and waste water generated by the water flushing unit 3, the waste water can be recycled, that is pumped into the water delivery pipe 32 by the water pump 31, and finally discharged from the spray header 34 via the spray coil 33, and the sand and stone on the delivery separation screen 22 can separate sand and waste water. By utilizing the combined action of the water flushing unit 3 and the vibration unit 4, the effect of separating sand and stone of concrete waste can be improved, and the condition of dead angles, in which sand and stone cannot be separated, is avoided.

Referring to fig. 1 and 3, the concrete sand receiving unit 5 of the present application includes a concrete sand receiving box 51 and a concrete sand receiving net 52, and the concrete sand receiving net 52 is fixedly installed in the concrete sand receiving box 51, which is capable of receiving separated concrete sand without falling off. The concrete sand receiving box 51 is a rectangular box body with an opening at the top, is arranged under the conveying separation screen 22, and is provided with universal wheels at four corners at the bottom of the concrete sand receiving box 51, so that the concrete sand receiving box 51 can be conveniently moved, in particular, the water pump 31 is arranged in a space of the concrete sand receiving box 51 below the concrete sand receiving net 52, and the conveying water pipe 32 penetrates through the side wall of the concrete sand receiving box 51 and is fixedly connected with the side wall of the concrete sand receiving box 51. The concrete sand falls on the concrete sand receiving net 52 in the concrete sand receiving box 51, and the waste water generated by the water flushing unit 3 falls into the space below the concrete sand receiving net 52 in the concrete sand receiving box 51, so that the waste water can be recycled, and the concrete sand can be separated from the waste water, thereby being convenient for recycling the concrete sand.

The implementation principle of the concrete waste sand-stone separation system of the embodiment of the application is as follows: the crushed concrete waste is sent to the feeding unit 1, the feeding unit 1 is sent to the conveying and separating screen 22, the conveying and separating screen 22 is obliquely arranged, and the vibrating unit 4 is added to vibrate the conveying and separating screen 22, so that the concrete waste can be conveyed on the conveying and separating screen 22, in the process, the water flushing unit 3 and the vibrating unit 4 jointly act, the concrete waste can be separated on the conveying and separating screen 22 to obtain concrete sand and stones, the concrete sand falls into the concrete sand receiving unit 5 below through the conveying and separating screen 22, the stones are conveyed to the discharge end of the concrete waste conveying and separating unit 2 through the conveying and separating screen 22, and finally the stones are accumulated on the ground, so that the purpose of separating sand and stones of the concrete waste is achieved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The concrete waste sand and stone separation system is characterized by comprising a feeding unit (1), a concrete waste conveying and separating unit (2), a water flushing unit (3), a vibrating unit (4) and a concrete sand receiving unit (5); the concrete waste conveying and separating unit (2) comprises a conveying and separating frame (21) and a conveying and separating screen (22) arranged on the conveying and separating frame (21), wherein the conveying and separating screen (22) is obliquely downwards arranged from the feeding end of the concrete waste conveying and separating unit (2) towards the discharging end of the concrete waste conveying and separating unit (2); the feeding unit (1) is arranged at the feeding end of the concrete waste conveying and separating unit (2) and can convey crushed concrete waste to the conveying and separating screen (22); the water flushing unit (3) is arranged above the concrete waste conveying and separating unit (2), the vibrating unit (4) is arranged on the concrete waste conveying and separating unit (2), concrete waste can be separated to obtain concrete sand and stones through the water flushing unit (3) and the vibrating unit (4), the concrete sand receiving unit (5) is arranged below the concrete waste conveying and separating unit (2), the concrete sand falls into the concrete sand receiving unit (5) through the conveying and separating screen (22), and stones are conveyed to the discharge end of the concrete waste conveying and separating unit (2).

2. The concrete waste sand and gravel separation system according to claim 1, characterized in that the feeding unit (1) comprises a feeding frame (11) crossing a conveying separation screen (22) and a feeding hopper (12) fixed on the feeding frame (11), a discharge hole at the bottom of the feeding hopper (12) is aligned with the conveying separation screen (22), and crushed concrete waste in the feeding hopper (12) is fed onto the conveying separation screen (22) through the discharge hole thereof.

3. The concrete waste sand and stone separation system according to claim 1, wherein the concrete sand receiving unit (5) comprises a concrete sand receiving box (51) with an opening structure at the top and a concrete sand receiving net (52) arranged in the concrete sand receiving box (51), the concrete sand receiving box (51) is arranged right below the conveying separation screen (22), concrete sand falls on the concrete sand receiving net (52) in the concrete sand receiving box (51), and waste water generated by the water flushing unit (3) falls into a space below the concrete sand receiving net (52) in the concrete sand receiving box (51).

4. A concrete waste sand and stone separation system according to claim 3, characterized in that the water flushing unit (3) comprises a water pump (31), a conveying water pipe (32), a spray pipe (33) and a spray header (34), the water pump (31) is installed in a space below a concrete sand receiving net (52) in a concrete sand receiving box (51), a water flushing rack (35) is installed above the conveying separation rack (21), the spray pipe (33) is arranged on the water flushing rack (35) in a serpentine shape, the spray header (34) is distributed on the spray pipe (33), and the conveying water pipe (32) is communicated with a water outlet end of the water pump (31) and the spray pipe (33).

5. The concrete waste sand and stone separation system according to claim 1, wherein two ends of the conveying separation screen (22) extend out of a feeding end and a discharging end of the concrete waste conveying separation unit (2), supporting tables (23) are arranged on two inner walls of the conveying separation frame (21), the conveying separation screen (22) is arranged on the two supporting tables (23), the conveying separation screen (22) is arranged at intervals with the inner walls of the conveying separation frame (21), a damping spring (24) is arranged between the conveying separation screen (22) and the supporting tables (23), and the vibrating unit (4) is arranged on the conveying separation screen (22).

6. The concrete waste sand and stone separation system according to claim 5, characterized in that the vibration unit (4) is a vibrator (41), the vibrator (41) is distributed on two sides of the conveying separation screen (22), and a waterproof cover (42) capable of shielding the vibrator (41) extends on the inner wall of the conveying separation frame (21).

7. The concrete waste sand and gravel separation system according to claim 1, characterized in that a flexible dam (25) is provided between both sides of the transport separation screen (22) and the inner wall of the transport separation frame (21), and the flexible dam (25) is provided obliquely downward toward the transport separation screen (22).

8. The concrete waste sand separation system according to claim 7, characterized in that both ends of the flexible dam (25) extend beyond the feed end and the discharge end of the concrete waste transport separation unit (2).

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