Concrete gravel cleaning and recycling device

Abstract

The utility model relates to the technical field of concrete recycling, in particular to a concrete gravel cleaning and recycling device. The concrete gravel cleaning and recycling device comprises a cleaning box, the interior of the cleaning box is sequentially divided into a liquid return cavity, a slurry cavity and a mounting cavity through two partition plates, and supporting frames are fixedly mounted at the top ends of the two partition plates; the control box is mounted at one corner of the top end of the cleaning box; the cleaning cylinder is obliquely erected on the supporting frame, a plurality of through grooves are formed in the cleaning cylinder, a first screen is embedded in the through grooves, a spiral impeller is rotationally installed in the cleaning cylinder, a protective cover is erected on the supporting frame, and a spraying assembly is embedded in the protective cover; the two groups of sand guide frames are symmetrically mounted in the slurry cavity, a screen frame is fixedly mounted at the top ends of the two groups of sand guide frames, a second screen is embedded in the screen frame, and a stirring assembly is mounted between the two groups of sand guide frames in the slurry cavity. The concrete gravel cleaning and recycling device has the advantage of being efficient in cleaning and screening.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete recycling, in particular to a concrete sand and gravel cleaning and recycling device. Background Art

[0002] Concrete gravel recycling refers to the process of treating and reusing discarded concrete materials. Waste concrete generated during construction, demolition, or reconstruction projects can be recycled to generate economic and environmental benefits. It plays a vital role in resource recycling, waste reduction, and environmental protection. It can enhance the sustainability of the construction industry and contribute to the goal of a more environmentally friendly and sustainable development.

[0003] Existing concrete recycling and cleaning devices mostly use the method of washing to clean and recycle concrete. This cleaning method is inefficient and cannot achieve continuous operation of concrete sand and gravel recycling and cleaning. In addition, the slurry after cleaning contains cement, and direct sedimentation treatment can easily cause the bottom of the sedimentation tank to stick together and form clumps, resulting in material waste.

[0004] Therefore, it is necessary to provide a new concrete sand and gravel cleaning and recovery device to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a concrete sand and gravel cleaning and recovery device.

[0006] The concrete sand and gravel cleaning and recovery device provided by the utility model comprises: a cleaning box, wherein the cleaning box is sequentially divided into a return liquid chamber, a slurry chamber and an installation chamber by two partitions, and a support frame is fixedly installed on the top of the two partitions;

[0007] A control box is installed at a top corner of the cleaning box;

[0008] A cleaning cylinder is obliquely mounted on the support frame, and is provided with a plurality of through slots, wherein first screens are embedded in the plurality of through slots, and a spiral impeller is rotatably mounted in the cleaning cylinder, a protective cover is mounted on the support frame, the bottom end of the protective cover is open, and the cleaning cylinder cover is disposed therein, and a spray assembly is embedded in the protective cover;

[0009] There are two groups of sand guide frames, which are symmetrically installed in the slurry chamber, and a screen frame is fixedly installed on the top of the two groups of sand guide frames. The screen frame is in an inverted V shape, and a second screen is embedded in the screen frame. A stirring assembly is installed in the slurry chamber between the two groups of sand guide frames.

[0010] Preferably, a driving motor for driving the spiral impeller to rotate is installed on the support frame, the driving motor is electrically connected to the control box, and a feeding funnel is installed on the top of the lower end of the cleaning cylinder.

[0011] Preferably, the high end bottom of the cleaning cylinder is provided with a discharging funnel, and a guide frame is arranged on the support frame near the discharging funnel.

[0012] Preferably, the spraying assembly comprises a spraying pipe, which is fixedly installed at the top end of the inner cavity of the protective cover, and a plurality of spraying heads are uniformly embedded at the bottom end of the spraying pipe, the water flow of the spraying heads is directed towards the cleaning cylinder, a delivery pump is communicated with the liquid inlet end of the spraying pipe, the delivery pump is fixedly installed on the cleaning box, the liquid inlet end of the delivery pump is communicated with the liquid return cavity, and the delivery pump is electrically connected with the control box.

[0013] Preferably, a plurality of return flow holes are formed in the partition plate for separating the liquid return cavity and the slurry cavity, and a third screen is embedded in the return flow holes, and the mesh size of the third screen is smaller than that of the second screen.

[0014] Preferably, the mesh size of the second screen is smaller than that of the first screen.

[0015] Preferably, the vertical plate of the sand guide frame and the side wall of the cleaning box form a sand return cavity, and a fourth screen is embedded at the bottom end of the sand return cavity.

[0016] Preferably, the stirring assembly comprises a transmission rod, which is rotatably installed in the slurry cavity, and a plurality of stirring rods are uniformly installed on the transmission rod, a power motor for driving the transmission rod to rotate is installed in the installation cavity, and the power motor is electrically connected with the control box.

[0017] Compared with the related art, the concrete sand cleaning and recycling device has the following beneficial effects:

[0018] 1. The concrete sand cleaning and recycling device provided by the utility model has the advantages that the spiral impeller and the first screen are arranged in the cleaning cylinder, the recycled concrete slurry is guided into the cleaning cylinder through the feeding funnel, the spiral impeller is driven by the driving motor to upwardly convey the slurry while the spraying assembly is used to flush the slurry, thereby facilitating the separation of the large-particle stone aggregate in the concrete from the discharging funnel, the conveying and flushing are simultaneously performed, and the concrete cleaning efficiency is improved.

[0019] 2. The sand guide frame is arranged in the slurry cavity, the inverted V-shaped screen frame is arranged on the sand guide frame, and the second screen is arranged on the screen frame, so that the separated slurry is further screened and washed, the fine sand in the slurry is separated, and the fine sand is conveniently separated and recycled.

[0020] 3. The stirring assembly is arranged in the slurry cavity, the slurry containing cement after cleaning is stirred, cement settlement and agglomeration are avoided, the cement slurry can be collected and recycled for secondary use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structural diagram of a preferred embodiment of the concrete sand and gravel cleaning and recovery device provided by the utility model;

[0022] Figure 2 This is a structural schematic diagram of the concrete sand and gravel cleaning and recovery device provided by the utility model from another perspective;

[0023] Figure 3 This is a schematic diagram of the axial cross-section of the concrete sand and gravel cleaning and recovery device provided by the utility model;

[0024] Figure 4 A schematic diagram of the internal structure of the slurry chamber provided by the utility model;

[0025] Figure 5 This is a structural schematic diagram of a material guide rack installed on the support rack provided by the utility model.

[0026] Numbers in the figure: 1. Cleaning box; 11. Support frame; 12. Third screen; 13. Slurry discharge pipe; 101. Return liquid chamber; 102. Slurry chamber; 103. Installation chamber; 104. Return sand chamber; 2. Cleaning cylinder; 21. First screen; 22. Spiral impeller; 23. Drive motor; 24. Feed funnel; 25. Discharge funnel; 3. Protective cover; 4. Spray assembly; 41. Spray pipe; 42. Spray head; 43. Conveying pump; 5. Sand guide frame; 51. Screen frame; 52. Second screen; 6. Stirring assembly; 61. Transmission rod; 62. Stirring rod; 63. Power motor; 7. Material guide frame; 8. Fourth screen; 9. Control box. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0029] See also Figures 1 to 5 The embodiment of the present invention provides a concrete sand and gravel cleaning and recovery device, which includes: a cleaning box 1, wherein the cleaning box 1 is sequentially divided into a return liquid chamber 101, a slurry chamber 102 and an installation chamber 103 by two partitions, and a support frame 11 is fixedly installed on the top of each of the two partitions;

[0030] A control box 9 is installed at a top corner of the cleaning box 1;

[0031] The cleaning cylinder 2 is tilted and mounted on the support frame 11. The cleaning cylinder 2 is provided with a plurality of through slots, in which a first screen 21 is embedded. A spiral impeller 22 is rotatably mounted in the cleaning cylinder 2. A protective cover 3 is mounted on the support frame 11. The bottom end of the protective cover 3 is open and covers the cleaning cylinder 2. A spray assembly 4 is embedded in the protective cover 3.

[0032] There are two groups of sand guide frames 5, which are symmetrically installed in the slurry chamber 102, and a screen frame 51 is fixedly installed on the top of the two groups of sand guide frames 5. The screen frame 51 is in an inverted V shape, and a second screen 52 is embedded in the screen frame 51. A stirring assembly 6 is installed between the two groups of sand guide frames 5 in the slurry chamber 102. The stirring assembly 6 includes a transmission rod 61, which is rotatably installed in the slurry chamber 102, and a number of stirring rods 62 are evenly installed on the transmission rod 61. A power motor 63 for driving the transmission rod 61 to rotate is installed in the installation cavity 103, and the power motor 63 is electrically connected to the control box 9.

[0033] Among them, a driving motor 23 for driving the spiral impeller 22 to rotate is installed on the support frame 11, and the driving motor 23 is electrically connected to the control box 9. A feeding funnel 24 is installed on the top of the lower end of the cleaning cylinder 2, and a discharging funnel 25 is installed on the bottom of the high end of the cleaning cylinder 2, and a material guide frame 7 is installed on the support frame 11 close to the side of the discharging funnel 25.

[0034] The mesh size of the second sieve 52 is smaller than that of the first sieve 21 .

[0035] It should be noted that: when in use, the recycled concrete is introduced into the cleaning drum 2 from the feed funnel 24, and then the drive motor 23 and the spray assembly 4 are started. The spiral impeller 22 is driven by the drive motor 23 to transport the concrete introduced into the lower end of the cleaning drum 2 upward along the cleaning drum 2. During the transportation process, the spray assembly 4 flushes the transported concrete. The flushed slurry is shielded by the protective cover 3, screened by the first screen 21, and then vertically introduced into the inverted V-shaped screen frame 51, and then screened through the second screen 52 and introduced into the slurry chamber 102. The stone aggregate intercepted by the first screen 21 is transported from the discharge funnel 25 to the guide frame 7 through the spiral impeller 22, thereby completing the recovery of large-particle stone aggregate. The slurry after screening by the second screen 52 is driven by the power motor 63 to drive the transmission rod 61, and the transmission rod 61 drives the stirring rod 62 to stir the cement slurry in the slurry chamber 102 to prevent the cement from settling and agglomerating at the bottom of the slurry chamber 102.

[0036] Furthermore, a slurry discharge pipe 13 connected to the slurry chamber 102 is installed at the bottom of the cleaning box 1. A control valve electrically connected to the control box 9 is embedded in the slurry discharge pipe 13. When concrete needs to be produced, the control valve can be directly opened to discharge the cement slurry in the slurry chamber 102, thereby realizing secondary recycling of the cement slurry.

[0037] It should also be noted that here, by controlling the mesh size of the second sieve 52 to be smaller than that of the first sieve 21 , the large-grained stone aggregate and the small-grained fine sand in the concrete can be graded and screened.

[0038] In the embodiments of the present invention, please refer to Figures 1 to 5 The spray assembly 4 includes a spray pipe 41, which is fixedly mounted on the top of the inner cavity of the protective cover 3. A plurality of spray heads 42 are evenly embedded at the bottom end of the spray pipe 41. The water flow of the plurality of spray heads 42 is directed toward the cleaning cylinder 2. The liquid inlet end of the spray pipe 41 is connected to a delivery pump 43. The delivery pump 43 is fixedly mounted on the cleaning box 1, and the liquid inlet end of the delivery pump 43 is connected to the return liquid chamber 101. The delivery pump 43 is electrically connected to the control box 9.

[0039] A plurality of reflux holes are provided on the partition plate for separating the return liquid chamber 101 and the slurry chamber 102. A third screen 12 is embedded in the reflux hole. The mesh size of the third screen 12 is smaller than that of the second screen 52.

[0040] It should be noted that: when the spray assembly 4 is in use, clean water is initially injected into the return liquid chamber 101 for the delivery pump 43 to pump water, and then the water is introduced into the spray pipe 41 through the conduit, and then sprayed from the spray head 42 to the cleaning cylinder 2, thereby flushing the concrete in the cleaning cylinder 2. Later, when a certain amount of clean water is injected, the slurry in the slurry chamber 102 can be introduced into the return liquid chamber 101 through the reflux hole to realize water circulation, which saves cleaning water and increases the cement content concentration of the cement slurry.

[0041] In the embodiments of the present invention, please refer to Figures 1 to 5 The vertical plate of the sand guide frame 5 and the side wall of the cleaning box 1 form a sand return chamber 104, and the bottom end of the sand return chamber 104 is embedded with a fourth screen 8;

[0042] It should be noted that: the slurry introduced into the inverted V-shaped screen frame 51 in this way, the fine sand screened and intercepted by the second screen 52 is flushed to the sand return chamber 104 on both sides, and then the fourth screen 8 is used to intercept the fine sand, and the moisture in the fine sand is further screened out by the fourth screen 8, thereby realizing the cleaning and recovery of the fine sand.

[0043] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0044] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A concrete sand and gravel cleaning and recovery device, characterized in that: include: A cleaning box (1), wherein the cleaning box (1) is sequentially divided into a liquid return chamber (101), a slurry chamber (102), and an installation chamber (103) by two partitions, and a support frame (11) is fixedly installed on the top of each of the two partitions; A control box (9) is installed at a top corner of the cleaning box (1); It is characterized by further comprising: A cleaning cylinder (2) is tiltedly mounted on the support frame (11), and a plurality of through slots are provided on the cleaning cylinder (2), a first screen (21) is embedded in the plurality of through slots, and a spiral impeller (22) is rotatably mounted in the cleaning cylinder (2), a protective cover (3) is mounted on the support frame (11), the bottom end of the protective cover (3) is open, and the cleaning cylinder (2) is covered therein, and a spray assembly (4) is embedded in the protective cover (3); Two groups of sand guide frames (5) are provided. The two groups of sand guide frames (5) are symmetrically installed in the slurry chamber (102), and a screen frame (51) is fixedly installed on the top of the two groups of sand guide frames (5). The screen frame (51) is in an inverted V shape, and a second screen (52) is embedded in the screen frame (51). A stirring assembly (6) is installed in the slurry chamber (102) between the two groups of sand guide frames (5).

2. The concrete sand and gravel cleaning and recovery device according to claim 1, characterized in that: A driving motor (23) for driving the spiral impeller (22) to rotate is installed on the support frame (11), and the driving motor (23) is electrically connected to the control box (9). A feeding funnel (24) is installed on the top of the lower end of the cleaning cylinder (2).

3. The concrete sand and gravel cleaning and recovery device according to claim 1, characterized in that: A discharge funnel (25) is installed at the bottom of the upper end of the cleaning cylinder (2), and a material guide frame (7) is installed on the support frame (11) close to the discharge funnel (25).

4. The concrete sand and gravel cleaning and recovery device according to claim 1, characterized in that: The spray assembly (4) includes a spray pipe (41), the spray pipe (41) is fixedly mounted on the top end of the inner cavity of the protective cover (3), a plurality of spray heads (42) are evenly embedded at the bottom end of the spray pipe (41), the water flow of the plurality of spray heads (42) is directed toward the cleaning cylinder (2), and the liquid inlet end of the spray pipe (41) is connected to a delivery pump (43), the delivery pump (43) is fixedly mounted on the cleaning box (1), and the liquid inlet end of the delivery pump (43) is connected to the return liquid cavity (101), and the delivery pump (43) is electrically connected to the control box (9); A plurality of reflux holes are provided on a partition plate for separating the return liquid chamber (101) and the slurry chamber (102), wherein a third screen (12) is embedded in the reflux holes, and the mesh size of the third screen (12) is smaller than that of the second screen (52).

5. The concrete sand and gravel cleaning and recovery device according to claim 1, characterized in that: The mesh size of the second sieve (52) is smaller than that of the first sieve (21).

6. The concrete sand and gravel cleaning and recovery device according to claim 1, characterized in that: The vertical plate of the sand guide frame (5) and the side wall of the cleaning box (1) form a sand return chamber (104), and a fourth screen (8) is embedded at the bottom end of the sand return chamber (104).

7. The concrete sand and gravel cleaning and recovery device according to claim 1, characterized in that: The stirring assembly (6) includes a transmission rod (61), the transmission rod (61) is rotatably mounted in the slurry chamber (102), and a plurality of stirring rods (62) are evenly mounted on the transmission rod (61), and a power motor (63) for driving the transmission rod (61) to rotate is mounted in the mounting chamber (103), and the power motor (63) is electrically connected to the control box (9).

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