Wastewater treatment device for concrete production

Abstract

The invention relates to the technical field of concrete production, in particular to a wastewater treatment device for concrete production, which comprises a treatment barrel mounted on a box body and a discharge pipe fixedly communicated with the bottom of the treatment barrel and penetrating through the bottom of the box body, and a filtering mechanism for quickly and thoroughly discharging solid particles in wastewater after the solid particles are filtered out is arranged on the treatment barrel. The filtering-out mechanism comprises a plurality of filter plates which are arranged in the treatment barrel and distributed at equal intervals, the pore diameters of the filter plates are sequentially decreased from top to bottom, the included angle between each filter plate and the horizontal plane is 5-15 degrees, and a first inclined baffle and a second inclined baffle which are vertically arranged at intervals are fixed to the two sides of the interior of the discharging pipe correspondingly. The device is helpful for avoiding accumulation of excessive solid particles on the filter plate, ensuring continuous and efficient work of wastewater treatment equipment, reducing reduction of filtering efficiency caused by blockage, regularly cleaning the solid particles on the filter plate, effectively avoiding abrasion and corrosion of the device due to long-term accumulation of particulate matters, prolonging the service life of the device, and improving the working efficiency of the wastewater treatment equipment. And the maintenance frequency and the device replacement cost are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of concrete production, and in particular to a wastewater treatment device for concrete production. Background Art

[0002] In the process of concrete production, a certain amount of wastewater will be generated, especially when concrete is mixed and cleaned. The wastewater usually contains solid particles such as cement and mortar. Currently, the large particles of sand and gravel slurry contained in the wastewater are settled through the sedimentation tank, and then the wastewater is passed into the treatment device to filter out some suspended particles that have not been completely settled. The filtered particles will accumulate on the filter medium, which will lead to reduced filtration efficiency. In the long run, it may cause the filter medium to be blocked, so that workers need to clean the filter medium frequently to ensure the normal use of the treatment device. This not only increases the maintenance cost of the device, but also increases the labor intensity of the workers. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a wastewater treatment device for concrete production, which solves the problem of the prior art that the filter medium needs to be cleaned regularly, thereby increasing maintenance costs.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A wastewater treatment device for concrete production, comprising a treatment barrel installed on a box body, a discharge pipe fixedly connected to the bottom of the treatment barrel and penetrating the bottom of the box body, the treatment barrel is provided with a filtering mechanism for removing solid particles in the wastewater and quickly discharging them, the filtering mechanism comprises a plurality of filter plates arranged in the treatment barrel with equal spacing, the apertures of the plurality of filter plates decrease in sequence from top to bottom, and the angle between the filter plates and the horizontal plane is set to 5-15°, and a first oblique baffle plate and a second oblique baffle plate arranged at intervals from top to bottom are fixed on both sides of the inner part of the discharge pipe, and the oblique baffle plates 1 and 2 are arranged at intervals from top to bottom ... The two filter plates are inclined at opposite angles, and a movable baffle in contact with the bottom of the second oblique baffle is provided at the bottom of the first oblique baffle. A rotating component is provided on the outside of the processing barrel for synchronously driving multiple filter plates to rotate so that the filtered solid particles fall into the discharge pipe. A pulling component is provided on one side of the discharge pipe for driving the movable baffle away from the first oblique baffle and the second oblique baffle to discharge the solid particles. A servo cylinder is fixedly installed at one end of the bottom of the box body, and an upper rack connected to the rotating component and the pulling component respectively is fixed on the output shaft of the servo cylinder. The rotating component and the pulling component move synchronously when discharging the fixed particles.

[0006] As a further optimization scheme of the present invention, the rotating component includes limiting vertical pipes respectively fixed on both sides of the processing barrel, the bottom ends of the limiting vertical pipes are inserted into the bottom of the box body and fixed thereto, movable vertical rods are respectively slidably arranged on the inner sides of the two limiting vertical pipes, and rotating shafts are respectively fixed on both sides of the multiple filter plates, the rotating shafts pass through the processing barrel and are rotatably connected thereto through sealed bearings, and a lifting component for simultaneously pushing the two movable vertical rods upward to rotate the multiple filter plates is provided at the bottom of the box body.

[0007] As a further optimization scheme of the present invention, the lifting component includes limiting cross rails respectively fixed on both sides of the bottom of the box body, and lifting sliders respectively slidably arranged on the two limiting cross rails, one end of the lifting slider is arranged as an arc ramp, and one end of the upper rack is fixed with a connecting cross bar whose two ends are respectively fixed to the two lifting sliders, a limiting slide groove is provided on the top of the lifting slider, and movable rollers are respectively rotatably arranged at the bottom of the two movable vertical rods, and the movable rollers slide in the limiting slide groove.

[0008] As a further optimization scheme of the present invention, a limit plate is fixed at one end of the rotating shaft, and a circular shell fixed to the limit vertical tube is rotatable on the outer side of the limit plate, a plurality of equidistantly arranged transmission racks are fixed on the movable vertical rod, and a transmission gear fixed to the middle part of the rotating shaft is meshed with one side of the transmission rack.

[0009] As a further optimization scheme of the present invention, the pulling component includes a movable connecting rod fixed on one side of the movable baffle, the movable connecting rod passes through the discharge pipe and is slidably connected thereto, and a limiting horizontal plate slidably arranged on the top of the movable baffle and fixed to the discharge pipe, a supporting vertical frame fixed to the box body is arranged at the bottom of one end of the upper rack, a lower rack is fixed to one end of the movable connecting rod, and a driven gear is meshed between the upper rack and the lower rack.

[0010] As a further optimization scheme of the present invention, the lower rack passes through the supporting vertical frame and is slidably connected thereto, and the upper rack and the lower rack are arranged alternately, and a limiting shaft that rotates with the supporting vertical frame through a bearing is fixed to the axis of the driven gear.

[0011] As a further optimization scheme of the present invention, the top of the treatment barrel is fixedly connected to a water inlet pipe, a diverter plate is arranged at the bottom of the water inlet pipe, the cross-section of the diverter plate is arranged to be triangular, and the bottom of the diverter plate is fixed with a plurality of support rods distributed in a circular array and fixed to the treatment barrel.

[0012] As a further optimization scheme of the present invention, the side of the discharge pipe close to the second inclined baffle is fixedly connected with a water outlet pipe, the top of the water outlet pipe passes through the box body and is fixedly connected thereto, and a water pump with an input end fixed to the top of the water outlet pipe is fixed on the top of the box body.

[0013] By means of the above technical solution, the present invention provides a wastewater treatment device for concrete production, which has at least the following beneficial effects compared with the prior art:

[0014] 1. The present invention filters out solid particles in wastewater and discharges them quickly by setting a filtering mechanism, filters out solid particles in wastewater through multiple filter plates with different apertures, and discharges wastewater, drives the filter plate to rotate a certain angle through a rotating component, so that the solid particles on it roll into a discharge pipe, and at the same time, the sealing between the inclined baffle plate 1 and the inclined baffle plate 2 is lacking by pulling the component, and the solid particles are discharged through the discharge pipe again, which helps to avoid excessive accumulation of solid particles on the filter plate, ensures that the wastewater treatment equipment works continuously and efficiently, reduces the decrease in filtration efficiency caused by blockage, regularly cleans the solid particles on the filter plate, and effectively avoids the wear and corrosion of the device caused by long-term accumulation of particles, thereby extending the service life of the device and reducing the maintenance frequency and the cost of replacing the device.

[0015] 2. The present invention sets a rotating component to synchronously drive multiple filter plates to rotate so that the filtered solid particles fall into the discharge pipe, and the movable vertical rod is pushed upward by the lifting component. The movable vertical rod drives the rotating shaft to rotate through the transmission rack and the transmission gear, thereby driving the filter plate to rotate a certain angle. The solid particles on the filter plate roll into the discharge pipe, which can quickly and thoroughly clean the solid particles, reduce equipment failures and downtime caused by dirt accumulation, reduce the cost of manual cleaning and equipment repair, and maintain the stability and reliability of the equipment.

[0016] 3. The present invention discharges solid particles by arranging a pulling component to drive the movable baffle to separate from the inclined baffle one and the inclined baffle two. When the rotating component is running, the movable connecting rod pulls the movable baffle so that its two ends are separated from the two ends of the inclined baffle one and the inclined baffle two respectively, and the solid particles are quickly discharged from the discharge pipe, and the solid particles on the filter plate are automatically discharged without manual operation, thereby reducing the labor intensity of workers and improving the automation level and operation efficiency of the device.

[0017] 4. The present invention sets a diverter plate at the bottom of the water inlet pipe. Wastewater enters the treatment barrel through the water inlet pipe and is diverted by the diverter plate. This can disperse the impact of the water flow on the uppermost filter plate and make the filtration of solid particles more dispersed without accumulation. The subsequent discharge of solid particles is also more thorough, ensuring the stability and reliability of the wastewater treatment process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a front perspective cross-sectional view of the present invention;

[0021] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0022] Figure 4 It is a side perspective cross-sectional view of the present invention;

[0023] Figure 5 It is a partial exploded view of the filtering mechanism of the present invention;

[0024] Figure 6 for Figure 5 A schematic diagram of the enlarged structure of part B;

[0025] Figure 7 It is an exploded schematic diagram of the pulling component of the present invention.

[0026] In the figure: 1. Box body; 2. Processing barrel; 3. Discharge pipe;

[0027] 4. Filtering mechanism; 41. Filter plate; 42. Inclined baffle plate 1; 43. Inclined baffle plate 2; 44. Movable baffle plate;

[0028] 45. Rotating component; 451. Position-limiting vertical tube; 452. Movable vertical rod; 453. Rotating shaft; 454. Position-limiting plate; 455. Circular housing; 456. Transmission rack; 457. Transmission gear;

[0029] 458, lifting component; 4581, limit rail; 4582, lifting slider; 4583, limit slide; 4584, movable roller; 4585, connecting cross bar; 4586, upper rack; 4587, servo cylinder;

[0030] 46, pulling component; 461, movable connecting rod; 462, limiting horizontal plate; 463, supporting vertical frame; 464, lower rack; 465, driven gear;

[0031] 5. Water inlet pipe; 6. Diverter plate; 7. Water outlet pipe; 8. Water pump. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] First embodiment

[0034] Wastewater generated during the concrete production process contains solid particles such as cement, mortar and fine aggregates. The solid particles in these wastewaters can only be discharged after sedimentation and filtration. Since the filtered particles accumulate on the filter medium for a long time, it may cause blockage, requiring workers to frequently clean the filter medium, which increases the maintenance cost of the device. In order to avoid excessive accumulation of solid particles on the filter plate 41, reduce the maintenance frequency and the cost of replacing the device, such as Figure 1 - Figure 4 As shown, this embodiment provides a wastewater treatment device for concrete production, which consists of a box body 1, a treatment barrel 2, a discharge pipe 3 and a filtering mechanism 4. The treatment barrel 2 is fixedly installed on the inner side of the box body 1, and the discharge pipe 3 is fixedly connected to the bottom of the treatment barrel 2 and passes through the bottom of the box body 1. The bottom of the treatment barrel 2 is set to be funnel-shaped, and the cross-section of the discharge pipe 3 is set to be square. The bottom end of the treatment barrel 2 is fixedly connected to the top end of the discharge pipe 3, which can ensure that the filtered solid particles are completely discharged.

[0035] The top of the treatment barrel 2 is fixedly connected to a water inlet pipe 5, through which the supernatant of the sedimentation tank is added to the treatment barrel 2, and a diverter plate 6 is arranged at the bottom of the water inlet pipe 5, the cross section of the diverter plate 6 is arranged in a triangular shape, the diverter plate 6 diverts the wastewater, can disperse the impact of the water flow on the uppermost filter plate 41, and at the same time make the filtration of solid particles more dispersed, and will not produce accumulation, and the bottom of the diverter plate 6 is fixed with four support rods distributed in a circumferential array fixed to the treatment barrel 2, and the side of the discharge pipe 3 close to the inclined baffle plate 2 43 is fixedly connected to a water outlet pipe 7, and a filter screen is detachably arranged on the inner side of one end of the discharge pipe 7 close to the discharge pipe 3, the top of the outlet pipe 7 passes through the box body 1 and is fixedly connected thereto, and a water pump 8 is fixed at the top of the box body 1 with an input end and the top of the outlet pipe 7, and the input end of the water pump 8 is connected to the outlet pipe 7, and the filtered wastewater is pumped away by the water pump 8.

[0036] In order to ensure that the wastewater treatment equipment works continuously and efficiently and reduce the decrease in filtration efficiency caused by blockage, the filtering mechanism 4 is arranged on the treatment barrel 2 for filtering out solid particles in the wastewater and discharging them quickly and thoroughly. The filtering mechanism 4 includes three filter plates 41 arranged in the treatment barrel 2 with equal spacing. The apertures of the three filter plates 41 decrease from top to bottom. The apertures of the three filter plates 41 are set to 10 mesh, 30 mesh and 50 mesh respectively. The rotation angle of the filter plate 41 is less than 30°, and the filter plate 41 is sandwiched between the horizontal plane and the filter plate 41. The angle is set to 10°, which can make the solid particles filtered more thoroughly. The inner sides of the discharge pipe 3 are respectively fixed with inclined baffles 1 42 and inclined baffles 2 43 spaced apart from each other, and the inclined baffles 1 42 and inclined baffles 2 43 are inclined at opposite angles to form a specific space. The bottom of the inclined baffle 1 42 is provided with a movable baffle 44 in contact with the bottom of the inclined baffle 2 43. The movable baffle 44 is vertically arranged to seal the inclined baffles 1 42 and the inclined baffles 2 43 to ensure that the filtered wastewater can be completely discharged.

[0037] By rotating the three filter plates 41 at the same time, the inclination angles of the three filter plates 41 are increased, so that the solid particles on the filter plates 41 roll to the bottom of the processing barrel 2 and are discharged through the discharge pipe 3, which can avoid excessive accumulation of solid particles on the filter plates 41 and reduce the decrease in filtration efficiency caused by blockage.

[0038] Second embodiment

[0039] In order to quickly and thoroughly clean solid particles, reduce equipment failure and downtime caused by contamination, and reduce the cost of manual cleaning and equipment repair, such as Figure 4 - Figure 6 As shown, in this embodiment, a rotating component 45 for synchronously driving the three filter plates 41 to rotate so that the filtered solid particles fall into the discharge pipe 3 is provided on the outer side of the processing barrel 2. The specific implementation method is that the rotating component 45 includes limit vertical pipes 451 respectively fixed on both sides of the processing barrel 2, and the bottom ends of the limit vertical pipes 451 are inserted into the bottom of the box body 1 and fixed thereto. Movable vertical rods 452 are respectively slidably provided on the inner sides of the two limit vertical pipes 451. Rotating shafts 453 are respectively fixed on both sides of the three filter plates 41. The rotating shafts 453 penetrate the processing barrel 2 and It is rotatably connected to it through a sealed bearing, one end of the rotating shaft 453 is fixed with a limit plate 454, and the outer side of the limit plate 454 is rotatably provided with a circular shell 455 fixed to the limit vertical pipe 451, and the limit plate 454 can only rotate 30° in the circular shell 455, so as to limit the rotating shaft 453 and ensure the stability of the rotation of the filter plate 41, and a plurality of equidistantly arranged transmission racks 456 are fixed on the movable vertical rod 452, and one side of the transmission rack 456 is meshed with a transmission gear 457 fixed to the middle part of the rotating shaft 453.

[0040] By pushing the movable vertical rod 452 to move upward, the movable vertical rod 452 simultaneously drives the three transmission racks 456 to move upward, and the three transmission racks 456 respectively drive the transmission gears 457 on one side to rotate, and the transmission gear 457 drives the rotating shaft 453 at its axis to rotate, thereby driving the filter plate 41 to rotate a certain angle, so that the solid particles on the filter plate 41 roll into the discharge pipe 3.

[0041] A lifting component 458 is provided at the bottom of the box body 1 for simultaneously pushing the two movable vertical rods 452 upward to rotate the three filter plates 41. The lifting component 458 includes limit rails 4581 respectively fixed to both sides of the bottom of the box body 1, and lifting sliders 4582 respectively slidably arranged on the two limit rails 4581. The lifting sliders 4582 move more stably on the limit rails 4581, and the top of the lifting sliders 4582 is provided with limit slots 4583. The bottoms of the two movable vertical rods 452 are respectively rotatably provided with movable rollers 4584, and the movable rollers 4584 slide in the limit slots 4583. The end is an arc-shaped ramp, which pushes the movable roller 4584 to move upward when moving, and the movable roller 4584 pushes the movable vertical rod 452 to move upward. A connecting cross bar 4585 is fixed at one end in the middle of the two lifting sliders 4582, and an upper rack 4586 is fixed in the middle of one side of the connecting cross bar 4585. A servo cylinder 4587 for driving the upper rack 4586 to move is fixedly installed at one end of the bottom of the box body 1, and the output end of the servo cylinder 4587 is fixed to one end of the upper rack 4586. The upper rack 4586 and the connecting cross bar 4585 are pushed to move by the servo cylinder 4587, and the connecting cross bar 4585 pushes the lifting sliders 4582 at both ends thereof to move.

[0042] Third embodiment

[0043] In order to automatically clean the solid particles on the filter plate 41 and reduce the labor intensity of the workers, Figure 5 and Figure 7As shown, in this embodiment, a pulling component 46 for driving the movable baffle 44 away from the inclined baffle 1 42 and the inclined baffle 2 43 to discharge solid particles is provided on one side of the discharge pipe 3. The specific implementation method is that the pulling component 46 includes a movable connecting rod 461 fixed to one side of the movable baffle 44, the movable connecting rod 461 passes through the discharge pipe 3 and is slidably connected thereto, and a limiting horizontal plate 462 slidably arranged on the top of the movable baffle 44 and fixed to the discharge pipe 3. The bottom of one end of the upper rack 4586 is provided with a A support vertical frame 463 is fixed to the box body 1, and a lower rack 464 is fixed at one end of the movable connecting rod 461. The lower rack 464 penetrates the support vertical frame 463 and is slidably connected thereto, and the upper rack 4586 and the lower rack 464 are alternately arranged, and a driven gear 465 is meshed between the upper rack 4586 and the lower rack 464. The movement directions of the upper rack 4586 and the lower rack 464 are opposite, and a limiting shaft that rotates with the support vertical frame 463 through a bearing is fixed at the axis center of the driven gear 465.

[0044] When the upper rack 4586 moves toward the direction of the discharge pipe 3, it drives the driven gear 465 to rotate, and the driven gear 465 drives the lower rack 464 to move. The lower rack 464 pulls the movable baffle 44 through the movable connecting rod 461, so that its two ends are separated from the two ends of the inclined baffle 1 42 and the inclined baffle 2 43 respectively, and the solid particles are quickly discharged from the discharge pipe 3, reducing the labor intensity of workers and improving the automation level and operation efficiency of the device.

[0045] The present invention filters out solid particles in wastewater by setting a plurality of filter plates 41 with different pore sizes, and discharges the wastewater. The rotating component 45 and the pulling component 46 cooperate with each other to drive the three filter plates 41 to rotate a certain angle at the same time, so that the solid particles on them roll into the discharge pipe 3, and there is a lack of sealing between the inclined baffle plate 1 42 and the inclined baffle plate 2 43. The solid particles are then discharged through the discharge pipe 3, which helps to avoid excessive accumulation of solid particles on the filter plate 41, reduce the decrease in filtration efficiency caused by blockage, regularly clean the solid particles on the filter plate 41, and reduce the maintenance frequency and the cost of replacing the device.

[0046] During use of the treatment device, the wastewater precipitated in the sedimentation tank is added to the treatment barrel 2 through the water inlet pipe 5, the wastewater is diverted through the diverter plate 6, and the three filter plates 41 are used to completely filter the solid particles, and the filtered wastewater flows into the bottom of the treatment barrel 2, and the water pump 8 pumps the wastewater out through the outlet pipe 7. When the wastewater in the treatment barrel 2 is completely discharged; the servo cylinder 4587 is turned on, and the output shaft of the servo cylinder 4587 pushes the upper rack 4586 to move, and the upper rack 4586 pushes the connecting cross bar 4585 at one end thereof to move, and the connecting cross bar 4585 pushes the lifting sliders at both ends thereof 4582 moves, and when the lifting slider 4582 moves, it pushes the movable roller 4584 to move upward, and the movable roller 4584 pushes the movable vertical rod 452 on its top to move upward, and the movable vertical rod 452 simultaneously drives the three transmission racks 456 to move upward, and the three transmission racks 456 respectively drive the transmission gears 457 on one side to rotate, and the transmission gear 457 drives the rotating shaft 453 at its axis to rotate, and the rotating shaft 453 drives the filter plate 41 to rotate a certain angle, so that the solid particles on the filter plate 41 roll down into the discharge pipe 3 and fall on the inclined baffle plate 1 42 and the inclined baffle plate 2 43;

[0047] At the same time, when the upper rack 4586 moves toward the direction of the discharge pipe 3, it drives the driven gear 465 meshing with it to rotate, and the driven gear 465 drives the lower rack 464 at its bottom to move, and the lower rack 464 pulls the movable baffle 44 through the movable connecting rod 461, so that its two ends are separated from the two ends of the inclined baffle 1 42 and the inclined baffle 2 43 respectively, and the solid particles are quickly discharged from the discharge pipe 3.

[0048] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wastewater treatment device for concrete production, comprising a treatment barrel (2) mounted on a housing (1), a discharge pipe (3) fixedly connected to the bottom of the treatment barrel (2) and penetrating the bottom of the housing (1), characterized in that: The treatment barrel (2) is provided with a filtering mechanism (4) for removing solid particles in the wastewater and rapidly discharging them; The filtering mechanism (4) comprises a plurality of filter plates (41) arranged in an equidistant manner in the processing barrel (2), the apertures of the plurality of filter plates (41) decreasing from top to bottom, and the angle between the filter plates (41) and the horizontal plane is set to be 5-15°, and the inner sides of the discharge pipe (3) are respectively fixed with inclined baffle plate 1 (42) and inclined baffle plate 2 (43) arranged at intervals from top to bottom, and the inclined baffle plate 1 (42) and the inclined baffle plate 2 (43) are inclined at opposite angles, and the bottom of the inclined baffle plate 1 (42) is provided with a movable baffle plate (44) in contact with the bottom of the inclined baffle plate 2 (43), and the outer side of the processing barrel (2) is provided with a rotating component (45) for synchronously driving the plurality of filter plates (41) to rotate so that the filtered solid particles fall into the discharge pipe (3), and one side of the discharge pipe (3) is provided with a pulling component (46) for driving the movable baffle plate (44) away from the inclined baffle plate 1 (42) and the inclined baffle plate 2 (43) to discharge the solid particles; A servo cylinder (4587) is fixedly mounted at one end of the bottom of the box body (1), and an upper rack (4586) connected to the rotating component (45) and the pulling component (46) is fixed on the output shaft of the servo cylinder (4587). When the fixed particles are discharged, the rotating component (45) and the pulling component (46) move synchronously.

2. A wastewater treatment device for concrete production according to claim 1, characterized in that: The rotating component (45) comprises limiting vertical pipes (451) respectively fixed on both sides of the processing barrel (2); the bottom ends of the limiting vertical pipes (451) are inserted into the bottom of the box body (1) and fixed thereto; movable vertical rods (452) are respectively slidably arranged on the inner sides of the two limiting vertical pipes (451); rotating shafts (453) are respectively fixed on both sides of the plurality of filter plates (41); the rotating shafts (453) penetrate the processing barrel (2) and are rotatably connected thereto via sealed bearings; and a lifting component (458) for simultaneously pushing the two movable vertical rods (452) upwards to rotate the plurality of filter plates (41) is arranged at the bottom of the box body (1).

3. A wastewater treatment device for concrete production according to claim 2, characterized in that: The lifting component (458) comprises limit rails (4581) respectively fixed to the two sides of the bottom of the box body (1), and lifting sliders (4582) respectively slidably arranged on the two limit rails (4581), one end of the lifting slider (4582) is arranged as an arc ramp, and one end of the upper rack (4586) is fixed with a connecting cross bar (4585) whose two ends are respectively fixed to the two lifting sliders (4582).

4. A wastewater treatment device for concrete production according to claim 3, characterized in that: A limiting slide groove (4583) is provided at the top of the lifting slide block (4582), and movable rollers (4584) are rotatably provided at the bottoms of the two movable vertical rods (452), and the movable rollers (4584) slide in the limiting slide groove (4583).

5. A wastewater treatment device for concrete production according to claim 2, characterized in that: A limit plate (454) is fixed to one end of the rotating shaft (453), and a circular shell (455) fixed to the limit vertical tube (451) is rotatably disposed outside the limit plate (454). A plurality of transmission racks (456) arranged at equal intervals are fixed to the movable vertical rod (452), and a transmission gear (457) fixed to the middle of the rotating shaft (453) is meshed with one side of the transmission rack (456).

6. A wastewater treatment device for concrete production according to claim 1, characterized in that: The pulling component (46) includes a movable connecting rod (461) fixed to one side of the movable baffle (44), the movable connecting rod (461) passes through the discharge pipe (3) and is slidably connected thereto, and a limiting horizontal plate (462) slidably arranged on the top of the movable baffle (44) and fixed to the discharge pipe (3), a supporting vertical frame (463) fixed to the box body (1) is arranged at the bottom of one end of the upper rack (4586), a lower rack (464) is fixed to one end of the movable connecting rod (461), and a driven gear (465) is arranged in meshing relationship between the upper rack (4586) and the lower rack (464).

7. A wastewater treatment device for concrete production according to claim 6, characterized in that: The lower rack (464) passes through the supporting vertical frame (463) and is slidably connected thereto, and the upper rack (4586) and the lower rack (464) are arranged alternately, and a limiting shaft that rotates with the supporting vertical frame (463) through a bearing is fixed at the axis of the driven gear (465).

8. A wastewater treatment device for concrete production according to claim 1, characterized in that: The top of the treatment barrel (2) is fixedly connected to a water inlet pipe (5), the bottom of the water inlet pipe (5) is provided with a diverter plate (6), the cross section of the diverter plate (6) is arranged in a triangular shape, and the bottom of the diverter plate (6) is fixed with a plurality of support rods distributed in a circumferential array and fixed to the treatment barrel (2).

9. A wastewater treatment device for concrete production according to claim 1, characterized in that: A water outlet pipe (7) is fixedly connected to one side of the discharge pipe (3) close to the second inclined baffle plate (43); the top of the water outlet pipe (7) passes through the box body (1) and is fixedly connected thereto; a water pump (8) whose input end is fixed to the top of the water outlet pipe (7) is fixed on the top of the box body (1).

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