Concrete slurry recovery device

Abstract

The utility model discloses a concrete slurry recovery device which comprises a material barrel, a conveying mechanism and a rotary drum are arranged in the material barrel, the conveying mechanism comprises a fixed barrel, a spiral blade is arranged in the fixed barrel and used for conveying materials to the rotary drum, the rotary drum is used for solid-liquid separation of the materials, and a driving mechanism is arranged outside the material barrel. The driving mechanism is used for driving the rotary drum and the spiral blades to rotate. Slurry is conveyed into the rotary drum through the spiral blade, and is filtered by centrifugal force generated when the rotary drum rotates, so that the solid-liquid separation effect of the rotary drum is ensured; the rotary drum rotates to throw out liquid materials in the slurry and enable the liquid materials to return to the material barrel again, and solid materials are blocked in the rotary drum, so that the device can circularly filter the slurry and respectively store the solid materials and the liquid materials, the solid-liquid separation effect of the slurry is further guaranteed, and the slurry is convenient to recycle.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete slurry recovery, in particular to a concrete slurry recovery device. Background Art

[0002] Concrete is one of the most important civil engineering materials in modern times. However, during its production and use, a large amount of waste slurry water is often generated. If it is discharged arbitrarily without treatment, it will not only cause environmental pollution, but also waste a large amount of resources.

[0003] Concrete slurry recovery generally refers to the process of treating and reusing the waste slurry or waste water generated during the concrete construction process. Such treatment can adopt physical methods, chemical methods, mechanical methods, etc. The purpose is to separate the solid and liquid of the concrete slurry to recover the slurry, thereby reducing waste discharge, saving resources, reducing production costs and environmental pollution.

[0004] After retrieval, the Chinese utility model patent with the publication number CN213159583U discloses a concrete slurry water recovery device, including support legs, a separation box, a second box body, a box cover, a water pump, and a bushing. The upper end of the support legs is welded with a first box body, and a support rod is welded to the upper end of the first box body. This solution combines the primary filtration of the separation box and the sieve plate to simply separate the materials. The slurry water will flow into the lower first box body along the channel. At this time, the slurry water can be re-added to the finished concrete. And the stirring device and cleaning device in the second box body will wash the slurry water attached to the surface of the aggregate. The mixture of the slurry water and clean water can be directly used as the water for concrete mixing. This application separates the solid and liquid of the concrete slurry through the sieve plate and the filter plate to achieve the recovery effect. However, since the concrete slurry is often in a viscous state, when it flows on the surfaces of the sieve plate and the filter plate, it is easy to adhere to the surfaces of the two, and even a film-like structure may be formed at the mesh holes, thereby affecting the filtering effect of the slurry. Summary of the Utility Model

[0005] In view of the above-mentioned prior art, the utility model aims to provide a concrete slurry recovery device, and the main technical problem to be solved is how to improve the filtering effect of the concrete slurry.

[0006] To achieve the above object, the technical solution of the embodiment of the utility model is realized as follows:

[0007] A concrete slurry recovery device includes a material barrel. A conveying mechanism and a rotating drum are arranged inside the material barrel. The conveying mechanism includes a fixed barrel, and a spiral blade is arranged inside the fixed barrel. The spiral blade is used to convey materials to the rotating drum. The rotating drum is used for solid-liquid separation of the materials. A driving mechanism is arranged outside the material barrel, and the driving mechanism is used to drive the rotating drum and the spiral blade to rotate.

[0008] Furthermore, a support plate is fixedly connected to the inner top end of the material barrel. The support plate is annular, and the rotating drum is arranged inside the support plate. A baffle is fixedly connected to the outer top end of the rotating drum, and the diameter of the baffle is larger than the inner diameter of the support plate.

[0009] Furthermore, a number of spherical grooves are equidistantly arranged at the inner top end of the support plate, and a ball is arranged in each spherical groove of the support plate. An annular chute is arranged at the outer bottom end of the baffle, and the balls are vertically aligned and adapted to the chute.

[0010] Furthermore, a circular opening is arranged at the bottom end of the rotating drum, and a connecting cylinder is fixedly connected to the inner wall of the bottom end of the rotating drum at the circular opening. A fixed cylinder is fixedly connected to the inner wall of the bottom end of the material barrel, and the top end of the fixed cylinder extends into the interior of the rotating drum inside the connecting cylinder.

[0011] Furthermore, a rotating rod is arranged in the middle of the inner wall at the top end of the rotating drum. A circular through hole is arranged at the inner side of the fixed cylinder on the inner wall of the bottom end of the material barrel. The rotating rod penetrates through the fixed cylinder, and the bottom end of the rotating rod extends to the outside of the material barrel at the circular through hole. A spiral blade is fixedly connected to the outer part of the rod body of the rotating rod inside the fixed cylinder.

[0012] Furthermore, a base is arranged at the bottom end of the material barrel. A number of support rods are equidistantly and fixedly connected to the outer side between the base and the material barrel, and a motor is fixedly connected to the top end of the base. The top end of the output shaft of the motor is fixedly connected to the rotating rod.

[0013] Furthermore, the material barrel includes a barrel body and a barrel bottom. The barrel body is cylindrical, and a feed inlet is arranged at the top end of one side of the barrel body. The barrel bottom is in the shape of an inverted frustum of a cone, and a discharge outlet is arranged at the outer bottom end of the barrel bottom. A feed valve and a discharge valve are respectively arranged at the feed inlet and the discharge outlet of the material barrel.

[0014] Furthermore, a claw frame is fixedly connected to the top end of the rotating rod. The top end of the claw frame is fixedly connected to the rotating drum. Air blowing ports are arranged inside the claw frame at the top ends of the rotating drum and the material barrel. A high-pressure air pump is arranged at the top end of the material barrel. The air outlet end of the high-pressure air pump extends into the interior of the rotating drum at the air blowing port, and a number of exhaust holes are arranged on the material barrel.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. The device conveys the slurry into the rotating drum through the spiral blade, and uses the centrifugal force generated when the rotating drum rotates to filter the slurry, so as to ensure the solid-liquid separation effect; the rotation of the rotating drum will throw out the liquid material in the slurry and make it return to the material barrel again, while the solid material will be blocked inside the rotating drum. Therefore, the device can filter the slurry cyclically, store the solid and liquid materials separately, so as to further ensure the solid-liquid separation effect of the slurry and facilitate its recycling and treatment.

[0017] 2. By setting up a baffle and a supporting plate, and using the supporting of the supporting plate for the baffle, the rotating drum can be supported, making its rotation process more stable. Secondly, since a number of ball bearings are equidistantly arranged on the baffle, the ball bearings can be used to replace the contact between the baffle and the supporting plate, and the rotation of the ball bearings can reduce the friction force during relative rotation between the two, thereby ensuring the smoothness of the rotating drum during rotation.

[0018] 3. By setting up a high-pressure air pump, when the rotating drum rotates to filter the slurry, the high-pressure air pump can introduce high-pressure air flow into the rotating drum, and this air flow can promote the rapid discharge of the liquid material in the rotating drum, thereby further improving the effect of solid-liquid separation of the slurry. Description of the Drawings

[0019] Figure 1 It is a cross-sectional view of a concrete slurry recovery device in Embodiment 1 of the present application;

[0020] Figure 2 It is a perspective view of the supporting plate of a concrete slurry recovery device in Embodiment 1 of the present application;

[0021] Figure 3 It is a cross-sectional view of the fixed cylinder of a concrete slurry recovery device in Embodiment 1 of the present application;

[0022] Figure 4 It is a cross-sectional view of a concrete slurry recovery device in Embodiment 2 of the present application.

[0023] Description of the Reference Numerals in the Drawings:

[0024] Material barrel 1, barrel body 101, barrel bottom 102, support rod 2, base 3, motor 4, ball bearing 5, supporting plate 6, baffle 7, chute 701, rotating rod 8, rotating drum 9, connecting cylinder 10, fixed cylinder 11, spiral blade 1101, high-pressure air pump 12, claw bracket 13. Detailed Embodiments

[0025] The technical solution of the present invention will be further elaborated in detail below in conjunction with the drawings in the specification and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "inner", "outer", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

[0027] Embodiment 1

[0028] Referring to the attached Figures 1-3 , the present application provides a concrete slurry recovery device, including a material barrel 1. Inside the material barrel 1, there is a conveying mechanism and a drum 9. The drum 9 is usually present in a centrifuge, and drain holes are provided on both its outer side and bottom. Therefore, the centrifugal force generated by its own rotation can be used to promote the solid-liquid separation of the material. The conveying mechanism includes a fixed cylinder 11. Inside the fixed cylinder 11, there is a spiral blade 1101. The spiral blade 1101 is used to convey the material to the drum 9. The drum 9 is used for the solid-liquid separation of the material. The spiral blade 1101 can continuously supply the material to the drum 9, and then the drum 9 performs solid-liquid separation on the material. Since the drum 9 is inside the material barrel 1, the liquid material thrown out by the drum 9 will return to the material barrel 1. Therefore, the operation of the spiral blade 1101 and the drum 9 can perform cyclic filtration on the material to ensure the effect of solid-liquid separation. Outside the material barrel 1, there is a driving mechanism, and the driving mechanism is used to drive the drum 9 and the spiral blade 1101 to rotate.

[0029] Preferably, a support plate 6 is fixedly connected to the inner top of the material barrel 1. The support plate 6 is annular. The drum 9 is arranged inside the support plate 6. The outer top of the drum 9 is fixedly connected with a baffle 7. The diameter of the baffle 7 is larger than the inner diameter of the support plate 6. The support plate 6 is used to support the baffle 7, thereby realizing the support of the drum 9 and ensuring the stability of the drum 9 during rotation. A number of spherical grooves are equidistantly arranged at the inner top of the support plate 6, and a ball 5 is provided in each spherical groove of the support plate 6. An annular sliding groove 701 is provided on the outer bottom of the baffle 7. The ball 5 is vertically aligned and adapted to the sliding groove 701. The presence of the ball 5 can reduce the friction when relative rotation occurs between the support plate 6 and the baffle 7 through its own rolling, thereby ensuring the smoothness of the drum 9 during rotation.

[0030] Preferably, a circular opening is provided at the bottom end of the drum 9, and a connecting cylinder 10 is fixedly connected to the inner wall of the bottom end of the drum 9 at the circular opening. The presence of the connecting cylinder 10 can help store solid materials in the drum 9. Therefore, when the drum 9 is removed from the fixed cylinder 11, the connecting cylinder 10 can block the materials and prevent them from falling from the circular opening. The fixed cylinder 11 is fixedly connected to the inner wall of the bottom end of the material barrel 1, and the top end of the fixed cylinder 11 extends into the interior of the drum 9 at the inner side of the connecting cylinder 10. A rotational seal is provided between the connecting cylinder 10 and the fixed cylinder 11, that is, sealing rings are provided on either the inner side of the connecting cylinder 10 or the outer side of the fixed cylinder 11, so as to prevent liquid materials from splashing into the gap.

[0031] Preferably, a rotating rod 8 is provided at the middle part of the inner wall of the top end of the drum 9. A circular through-hole is provided at the inner side of the fixed cylinder 11 on the inner wall of the bottom end of the material barrel 1. The rotating rod 8 penetrates through the fixed cylinder 11, and the bottom end of the rotating rod 8 extends to the outside of the material barrel 1 at the circular through-hole. A spiral blade 1101 is fixedly connected to the outer part of the rod body of the rotating rod 8 inside the fixed cylinder 11. A plurality of feeding ports are provided at the outer bottom end of the fixed cylinder 11.

[0032] Preferably, a base 3 is provided at the bottom end of the material barrel 1. A plurality of support rods 2 are fixedly connected at equal intervals on the outer side between the base 3 and the material barrel 1, and a motor 4 is fixedly connected to the top end of the base 3. The top end of the output shaft of the motor 4 is fixedly connected to the rotating rod 8. The motor 4 drives the spiral blade 1101 and the drum 9 to rotate simultaneously through the rotating rod 8, and the power sources of the two are unified.

[0033] Preferably, the material barrel 1 includes a barrel body 101 and a barrel bottom 102. The barrel body 101 is cylindrical, and a feeding port is provided at the top end of one side of the barrel body 101. The barrel bottom 102 is in the shape of an inverted frustum of a cone. This shape of the barrel bottom 102 can help the materials converge towards the fixed cylinder 11, so as to ensure the continuity of conveying the materials into the drum 9. An outlet is provided at the outer bottom end of the barrel bottom 102. A feeding valve and a discharging valve are respectively provided at the feeding port and the discharging port of the material barrel 1.

[0034] Working principle: When recovering concrete slurry, the slurry can be loaded into the material barrel 1, and then an external power source is connected to the motor 4 and it is started. The motor 4 drives the spiral blade 1101 and the drum 9 to rotate through the rotating rod 8. The rotation of the spiral blade 1101 can pump the slurry in the material barrel 1 into the fixed cylinder 11 and convey it from bottom to top into the drum 9. At this time, the rotation of the drum 9 can generate a centrifugal force to separate the solid and liquid of the slurry;

[0035] Thereafter, the solid materials will be left in the drum 9, while the liquid materials will be thrown out of the drum 9 and return to the material barrel 1 again. Since the continuous rotation of the spiral blade 1101 can continuously pump the slurry, the continuous operation of this device can circulate and filter the slurry, so as to achieve a sufficient filtering effect on it.

[0036] Embodiment 2

[0037] Referring to the attached Figure 4 , the present application provides a concrete slurry recovery device. Compared with Embodiment 1, in order to further improve the effect of solid-liquid separation of the slurry, a claw frame 13 is fixedly connected to the top of the rotating rod 8. The claw frame 13 can leave a space for opening a blowing port at the top of the drum 9, so that the blowing port can be opened at the center of the top of the drum 9. In this case, the air outlet end of the high-pressure air pump 12 extends into the drum 9 at the blowing port and will not be affected by the rotation of the drum 9. The top of the claw frame 13 is fixedly connected to the drum 9. Blowing ports are opened at the inner sides of the tops of the drum 9 and the material barrel 1. A high-pressure air pump 12 is provided at the top of the material barrel 1. The air outlet end of the high-pressure air pump 12 extends into the interior of the drum 9 at the blowing port. A number of exhaust holes are opened on the material barrel 1.

[0038] Working principle: When using the device to perform solid-liquid separation on the slurry, the high-pressure air pump 12 can be started. The high-pressure air pump 12 can introduce high-pressure air flow into the drum 9, and the use of this air flow can accelerate the discharge of the liquid material, so the effect of solid-liquid separation of the slurry can be further improved.

[0039] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claimed rights.

Claims

1. A concrete slurry recovery device, comprising a material bucket (1), characterized in that: A conveying mechanism and a rotating drum (9) are provided inside the material barrel (1), wherein the conveying mechanism comprises a fixed barrel (11), wherein a spiral blade (1101) is provided inside the fixed barrel (11), wherein the spiral blade (1101) is used to convey material to the rotating drum (9), wherein the rotating drum (9) is used for solid-liquid separation of the material, and a driving mechanism is provided outside the material barrel (1), wherein the driving mechanism is used to drive the rotating drum (9) and the spiral blade (1101) to rotate.

2. A concrete slurry recovery device according to claim 1, characterized in that: A support plate (6) is fixedly connected to the inner top of the material barrel (1), and the support plate (6) is in a circular ring shape. The rotating drum (9) is arranged on the inner side of the support plate (6), and a baffle (7) is fixedly connected to the outer top of the rotating drum (9), and the diameter of the baffle (7) is greater than the inner diameter of the support plate (6).

3. A concrete slurry recovery device according to claim 2, characterized in that: A plurality of spherical grooves are equidistantly formed on the inner side of the top end of the support plate (6), and a ball (5) is provided in each spherical groove of the support plate (6). An annular sliding groove (701) is formed on the outer side of the bottom end of the baffle plate (7), and the ball (5) and the sliding groove (701) are aligned and matched with each other in the upper and lower directions.

4. A concrete slurry recovery device according to claim 1, characterized in that: The bottom end of the rotating drum (9) is provided with a circular opening, and the inner wall of the bottom end of the rotating drum (9) is fixedly connected to a connecting tube (10) at the circular opening; the fixing tube (11) is fixedly connected to the inner wall of the bottom end of the material barrel (1), and the top end of the fixing tube (11) extends from the inner side of the connecting tube (10) to the inside of the rotating drum (9).

5. A concrete slurry recovery device according to claim 4, characterized in that: A rotating rod (8) is provided at the middle of the inner wall at the top end of the rotating drum (9); a circular through hole is provided on the inner wall at the bottom end of the material barrel (1) at the inner side of the fixed cylinder (11); the rotating rod (8) passes through the fixed cylinder (11), and the bottom end of the rotating rod (8) extends to the outside of the material barrel (1) at the circular through hole; the spiral blade (1101) is fixedly connected to the outside of the rod body of the rotating rod (8) in the fixed cylinder (11).

6. A concrete slurry recovery device according to claim 5, characterized in that: A base (3) is provided at the bottom end of the material barrel (1), a plurality of support rods (2) are equidistantly fixedly connected to the outer side of the base (3) and the material barrel (1), and a motor (4) is fixedly connected to the top end of the base (3), and the top end of the output shaft of the motor (4) is fixedly connected to the rotating rod (8).

7. A concrete slurry recovery device according to claim 1, characterized in that: The material barrel (1) comprises a barrel body (101) and a barrel bottom (102); the barrel body (101) is cylindrical, and a feed port is provided at the top of one side of the barrel body (101); the barrel bottom (102) is in an inverted frustum, and a discharge port is provided at the outer bottom end of the barrel bottom (102); and the material barrel (1) is provided with a feed valve and a discharge valve at the feed port and the discharge port, respectively.

8. A concrete slurry recovery device according to claim 5, characterized in that: The top end of the rotating rod (8) is fixedly connected to a claw frame (13), the top end of the claw frame (13) is fixedly connected to the rotating drum (9), the top ends of the rotating drum (9) and the material barrel (1) are both provided with air outlets on the inner side of the claw frame (13), the top end of the material barrel (1) is provided with a high-pressure air pump (12), the air outlet end of the high-pressure air pump (12) extends to the interior of the rotating drum (9) at the air outlet, and a plurality of exhaust holes are provided on the material barrel (1).

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