A building material production wastewater recycling treatment device

Abstract

The present application relates to the technical field of industrial wastewater multi-stage treatment, in particular to a building material production wastewater recycling treatment equipment, which comprises a flocculation tank, a filter box and a lifting flocculation assembly are arranged, and the equipment is developed based on the research and test results of environmental protection technology under the background of advanced environmental protection industry. Wastewater flows through a first filter screen and a second filter screen in sequence for physical interception. The intercepted substances slide along the inclined end. Filtered water enters a flow guide channel through a drain pipe, mixes with reagents, and is then divided into flocculation grids. A stepping control motor drives a lead screw to rotate, which makes a limiting plate move along a guide rod and drives a grid plate to reciprocate up and down. Water flows through the grid holes to generate micro-vortexes to promote chemical flocculation and avoid shear force damage to large flocs. A limiting scraper and an adjusting scraper move up and down synchronously with the grid plate and slide closely along the inner wall to scrape off hydrated substances. This pure materialization collaborative multi-stage treatment mechanism can effectively prevent pool wall scaling. The corresponding equipment is a typical application of special equipment for environmental protection in the fields of water pollution and solid waste pollution control.

Description

Technical Field

[0001] This invention relates to the field of multi-stage industrial wastewater treatment technology, specifically to a wastewater recycling treatment device for building materials production. Background Technology

[0002] In the production of building materials such as concrete, water-stabilized materials, and aggregates, multi-stage physicochemical recycling equipment is typically used to purify flushing wastewater to reduce the amount of fresh water needed and the risk of wastewater discharge. This type of equipment falls under the category of specialized environmental protection equipment manufacturing in the fields of water pollution control and solid waste pollution control. It primarily relies on a multi-stage combination of physical interception, chemical flocculation, and gravity sedimentation to achieve closed-loop water resource reuse. With the rapid development of advanced environmental protection industries, and based on research and experimental development in environmental protection technologies, existing equipment often consists of a primary screening filter box, a chemical dosing flocculation tank, a horizontal flow sedimentation tank, and a bottom sludge discharge pipeline connected in series. The equipment uses the addition of chemicals to cause suspended particles to aggregate into flocs and settle and separate. The entire process employs a multi-stage purification mechanism combining pure physical and chemical processes to achieve efficient recycling of building material wastewater.

[0003] However, existing multi-stage wastewater treatment equipment for building materials has significant structural defects in actual operation. On the one hand, cement hydration products in the wastewater easily adhere to the tank walls, hardening and forming scale. Furthermore, the existing fixed mesh components, when left submerged for extended periods, are prone to accumulating high concentrations of microparticles and flocs, clogging the mesh and reducing water flow efficiency and the effective volume of the tank. On the other hand, mechanically rotating flocculation components cannot achieve effective mixing when close to the tank walls, and the macroscopic centrifugal shear force they generate easily crushes the already formed fragile large flocs, leading to a sharp drop in subsequent physicochemical sedimentation efficiency and severely restricting the long-term stable operation of the multi-stage circulation system. Summary of the Invention

[0004] The purpose of this invention is to provide a wastewater recycling treatment device for building materials production, in order to solve the problems mentioned in the background art, such as the fixed grid being prone to clogging and scaling, leading to a reduction in pool volume, and the rotating components having mixing dead angles and easily damaging large flocs.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a wastewater recycling treatment device for building materials production, comprising a flocculation tank, a horizontal flow sedimentation tank disposed on one side of the flocculation tank, and a transition tank connecting the flocculation tank and the horizontal flow sedimentation tank. A flow guide channel is provided in the middle of the flocculation tank. A support frame is fixed to the top outer wall of the flocculation tank near the flow guide channel. A filter box is fixed to the top of the support frame. A filter assembly is disposed inside the filter box. Several flocculation grids are evenly spaced and connected on both sides of the flow guide channel inside the flocculation tank. A lifting flocculation assembly is disposed at the top of each of the several flocculation grids. The lifting flocculation assembly includes a fixed frame, a screw rod, and a grid plate. The fixed frame is fixed to the middle of the top of the flocculation grid. The screw rod is vertically rotatably mounted on one side of the top of the fixed frame. The grid plate is disposed inside the flocculation grid. A drive unblocking component is disposed at the bottom center of the grid plate.

[0006] Furthermore, the filter assembly includes a first filter disc and a second filter disc. The first filter disc is obliquely and fixedly installed inside the filter box near the top, and the second filter disc is obliquely and fixedly installed inside the filter box near the bottom. The oblique ends of the first filter disc and the second filter disc both extend through to the outside of the filter box.

[0007] Furthermore, a wastewater inlet pipe is fixedly connected to the top of the filter box, and several drain pipes are fixedly connected to the bottom of the filter box. A flocculant addition pipe is fixedly connected to the flocculation tank near the bottom of the filter box by a bracket. Several drainage nozzles are fixedly connected to the side of the flocculant addition pipe facing the guide channel.

[0008] Furthermore, an installation cavity is provided at the bottom of the flocculation tank, and several sludge discharge pipes are fixed inside the installation cavity by a bracket. A sludge collection pipe is passed through the middle of the bottom end of each flocculation grid, and the bottom end of each sludge collection pipe is fixedly connected to the sludge discharge pipe on the corresponding side.

[0009] Furthermore, a limiting frame is fixedly installed at the top of the fixed frame, an mounting frame is fixedly installed at the top of the limiting frame, a stepper control motor is fixedly installed at the top of the mounting frame, the output end of the stepper control motor is coaxially fixedly connected to the top of the lead screw, a guide rod is fixed between the mounting frame and the end of the fixed frame away from the lead screw, and a limiting plate is provided between the guide rod and the lead screw.

[0010] Furthermore, one end of the limiting plate is slidably sleeved on the outside of the guide rod, and the other end of the limiting plate is threaded on the outside of the lead screw. A through hole is provided in the middle of the fixing frame, and a limiting slide is fixed at each corner of the through hole. A limiting rod is vertically slidably installed inside each limiting slide. The top end of the limiting rod is fixedly connected to the bottom end of the limiting plate, and the bottom end of the limiting rod is fixedly connected to the top end of the mesh plate.

[0011] Furthermore, limiting scrapers are fixedly installed on both outer walls of the grid plate, and adjusting scrapers are provided on the other two outer walls of the grid plate. A drive control motor is fixed in the middle of the top surface of the limiting plate, and a rotating frame is fixed in the bottom surface of the limiting plate.

[0012] Furthermore, a rotating shaft is vertically and rotatably mounted inside the rotating frame, and one end of the rotating shaft is coaxially and fixedly connected to the output end of the drive control motor.

[0013] Furthermore, the drive unblocking assembly includes a mounting box, a gear, and an unblocking rod. The mounting box is fixedly installed at the bottom center of the grid plate. The gear is located in the middle of the inside of the mounting box. The unblocking rod is fixedly installed at the bottom center of the mounting box. Several scraping teeth are fixedly arranged around the outside of the unblocking rod. The end of the rotating shaft away from the drive control motor is rotatably installed inside the mounting box. One side of the gear is fixedly connected to one end of the rotating shaft inside the mounting box.

[0014] Furthermore, two racks are symmetrically and interlocked on both sides of the gear. A positioning slide is fixed on one side of each rack inside the mounting box. One side of each rack is slidably installed inside the positioning slide on the corresponding side. A stop block is fixed on the end of each rack near the gear. A slide rod is fixed on the end of each rack away from the gear. One end of the slide rod slides through the mounting box and extends to its outside. The extended end of the slide rod is fixedly connected to the adjusting scraper on the corresponding side.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention, through the setting of a filter box and a lifting flocculation component, relies on the research and experimental development achievements of environmental protection technology under the background of advanced environmental protection industry. Wastewater flows sequentially through the first and second filter screens for physical interception. The intercepted material slides down along the inclined end. The filtered water enters the guide channel through the drain pipe and is mixed with the agent before being diverted to the flocculation grid. The stepper motor drives the lead screw to rotate, causing the limiting plate to move along the guide rod and drive the grid plate to move up and down reciprocally. The water flow through the mesh generates micro-vortices to promote chemical flocculation and avoid shear force from destroying large flocs. At the same time, the limiting scraper and the adjusting scraper rise and fall synchronously with the grid plate and slide close to the inner wall to scrape off the water-soluble substances. This purely physical and chemical synergistic multi-stage treatment mechanism can effectively prevent scale formation on the pool wall. The corresponding equipment is a typical application of environmental protection special equipment in the field of water pollution and solid waste pollution treatment, and improves sedimentation efficiency.

[0017] 2. This invention, by setting up a drive-and-dredging component, allows the dredging rod to insert into the sludge collection pipe when the grid plate descends. The scraper teeth agitate the pipe opening to break up sludge bridging and prevent blockage. After a period of operation, the stepper motor is turned off, allowing the grid plate to remain at the bottom. Then, the drive-and-dredging motor is activated, rotating the shaft and gears. The gears drive the rack to slide within the positioning slide block. The rack's travel is limited by a stop block. The rack drives the slide rod through the mounting box and pushes the adjusting scraper to extend and adhere to the bottom wall of the flocculation grid, thereby gathering and scraping away the deposited sludge towards the center. This independent control process optimizes the collection process without affecting overall operation. Based on research and experimental development in environmental protection technologies, it demonstrates the technical advantages of specialized environmental protection equipment in the field of water pollution and solid waste pollution control, ensuring the stability of the multi-stage physicochemical recycling system. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a three-dimensional structural diagram of the support frame and filter box of the present invention;

[0020] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 This is a partial cross-sectional three-dimensional structural diagram of the flocculation grid and mesh plate of the present invention;

[0022] Figure 5 This is a three-dimensional structural diagram of the fixing frame and lead screw of the present invention;

[0023] Figure 6 This is a bottom-view perspective view of the three-dimensional structure of the grid plate and mounting box of the present invention;

[0024] Figure 7 For the present invention Figure 5 Enlarged structural diagram at point B;

[0025] Figure 8 For the present invention Figure 6 Enlarged structural diagram at point C;

[0026] Figure 9 This is a partial cross-sectional perspective view of the mounting box and adjusting scraper of the present invention.

[0027] Figure 10 For the present invention Figure 9 Enlarged structural diagram at point D;

[0028] Figure 11 This is a side view of the flocculation grid and adjusting scraper of the present invention.

[0029] In the attached diagram, the components represented by each number are as follows: 1. Flocculation tank; 2. Support frame; 3. Filter box; 4. Wastewater inlet pipe; 5. Flow guide channel; 6. Flocculation grid; 7. Horizontal flow sedimentation tank; 8. Installation cavity; 9. Transition tank; 10. Drainage pipe; 11. First filter screen; 12. Second filter screen; 13. Flocculant addition pipe; 14. Drainage nozzle; 15. Fixing frame; 16. Sludge discharge pipe; 17. Sludge collection pipe; 18. Limiting frame; 19. Installation box. 20. Mounting frame; 21. Guide rod; 22. Lead screw; 23. Stepper motor; 24. Limiting plate; 25. Limiting rod; 26. Grid plate; 27. Through hole; 28. Limiting slide; 29. ​​Limiting scraper; 30. Mounting box; 31. Adjusting scraper; 32. Drive control motor; 33. Rotating frame; 34. Shaft; 35. Scraper teeth; 36. Slide rod; 37. Gear; 38. Positioning slide; 39. Rack; 40. Stop block. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example 1: Please refer to Figure 1 - Figure 8 A wastewater recycling treatment device for building materials production includes a flocculation tank 1, a horizontal flow sedimentation tank 7 disposed on one side of the flocculation tank 1, and a transition tank 9 connecting the flocculation tank 1 and the horizontal flow sedimentation tank 7. A flow guide channel 5 is provided in the middle of the flocculation tank 1. A support frame 2 is fixed on the top outer wall of the flocculation tank 1 near the flow guide channel 5. A filter box 3 is fixed on the top of the support frame 2. A filter assembly is provided inside the filter box 3. Several flocculation grids 6 are evenly spaced and connected on both sides of the flow guide channel 5 inside the flocculation tank 1. A lifting flocculation assembly is provided on the top of each of the several flocculation grids 6. The lifting flocculation assembly includes a fixed frame 15, a screw rod 21, and a grid plate 25. The fixed frame 15 is fixed in the middle of the top of the flocculation grid 6. The screw rod 21 is vertically rotated and installed on one side of the top of the fixed frame 15. The grid plate 25 is disposed inside the flocculation grid 6.

[0032] The filter assembly includes a first filter disc 11 and a second filter disc 12. The first filter disc 11 is obliquely and fixedly installed inside the filter box 3 near the top, and the second filter disc 12 is obliquely and fixedly installed inside the filter box 3 near the bottom. The oblique ends of the first filter disc 11 and the second filter disc 12 both extend through to the outside of the filter box 3.

[0033] Wastewater inlet pipe 4 is fixed through the top of filter box 3, and several drain pipes 10 are fixed through the bottom of filter box 3. Flocculant addition pipe 13 is fixed by bracket near the bottom of filter box 3 in flocculation tank 1. Several drain nozzles 14 are fixedly connected to the side of the flow guide channel 5 of flocculant addition pipe 13.

[0034] The bottom of the flocculation tank 1 is provided with an installation cavity 8. Several sludge discharge pipes 16 are fixed inside the installation cavity 8 by a bracket. A sludge collection pipe 17 is passed through the middle of the bottom of the flocculation grid 6. The bottom of the sludge collection pipe 17 is fixedly connected to the sludge discharge pipe 16 on the corresponding side.

[0035] A limiting frame 18 is fixedly installed at the top of the fixed frame 15, and an installation frame 19 is fixedly installed at the top of the limiting frame 18. A stepper control motor 22 is fixedly installed at the top of the installation frame 19. The output end of the stepper control motor 22 is coaxially fixedly connected to the top of the lead screw 21. A guide rod 20 is fixed between the installation frame 19 and the end of the fixed frame 15 away from the lead screw 21. A limiting plate 23 is provided between the guide rod 20 and the lead screw 21.

[0036] One end of the limiting plate 23 is slidably sleeved on the outside of the guide rod 20, and the other end of the limiting plate 23 is threaded on the outside of the lead screw 21. A through hole 26 is provided in the middle of the fixing frame 15. Each corner of the through hole 26 is fixed with a limiting slide seat 27. A limiting rod 24 is vertically slidably installed inside the limiting slide seat 27. The top end of the limiting rod 24 is fixedly connected to the bottom end of the limiting plate 23, and the bottom end of the limiting rod 24 is fixedly connected to the top end of the grid plate 25.

[0037] Limiting scrapers 28 are fixedly installed on both outer walls of the grid plate 25, and adjusting scrapers 30 are provided on the other two outer walls of the grid plate 25. A drive control motor 31 is fixed in the middle of the top surface of the limiting plate 23, and a rotating frame 32 is fixed in the bottom surface of the limiting plate 23.

[0038] In this embodiment, the building material production wastewater recycling treatment equipment is a typical application of specialized equipment for environmental protection such as water pollution and solid waste pollution in the advanced environmental protection industry. Its overall workflow relies on a multi-stage treatment mechanism that combines pure physical and chemical processes.

[0039] First, wastewater from building material production is pumped into the filter box 3 through the wastewater inlet pipe 4. The wastewater flows sequentially through the inclined first filter screen 11 and second filter screen 12 for two-stage physical interception and filtration. Since both the first filter screen 11 and the second filter screen 12 are inclined and their inclined ends extend to the outside of the filter box 3, the intercepted coarse building material particles and solid waste such as sand and gravel can automatically slide down the inclined surface to the outside for centralized collection and recycling, effectively reducing the solid load of subsequent treatment units. After physical filtration, the wastewater passes through the mesh and is discharged from multiple drain pipes 10 at the bottom of the filter box 3, and collects in the guide channel 5 in the middle of the flocculation tank 1.

[0040] Subsequently, as the wastewater enters the guide channel 5, the existing metering pump delivers flocculant to the drain nozzle 14 via the flocculant addition pipe 13. The drain nozzle 14 then evenly sprays the flocculant into the guide channel 5 to initially mix with the wastewater. The mixed wastewater is then evenly distributed through the guide channel 5 and enters multiple flocculation cells 6 located on both sides for deep chemical flocculation treatment.

[0041] During this process, the stepper motor 22 starts and drives the lead screw 21 to rotate. The rotation of the lead screw 21 is converted into the vertical linear movement of the limiting plate 23 along the guide rod 20, which in turn drives the grid plate 25 to perform a smooth up-and-down reciprocating motion inside the flocculation grid 6 through the limiting rod 24. When the grid plate 25 moves up and down, the wastewater is forced to pass through the mesh on its surface, generating uniform micro-eddies to promote the collision and combination of the reagent and suspended particles. At the same time, since the edge of the grid plate 25 is close to the inner wall of the flocculation grid 6, this vertical reciprocating motion covers the entire vertical section of the flocculation space, effectively eliminating the dead corners that traditional mechanical rotating components cannot effectively flip and mix when close to the pool wall, and avoiding the macroscopic centrifugal shear force generated by rotation, effectively preventing the already formed fragile large flocs from being crushed, and significantly improving the efficiency and quality of chemical flocculation.

[0042] In addition, during the reciprocating motion of the grid plate 25, the limiting scraper 28 fixedly installed on its two outer walls and the adjusting scraper 30 set on the other two outer walls rise and fall synchronously with the grid plate 25.

[0043] The outer edges of the limiting scraper 28 and the adjusting scraper 30 slide close to the inner wall of the flocculation grid 6, scraping away the cement hydration products and sticky flocs attached to the pool wall in real time. This effectively avoids the problem of reduced effective pool volume caused by scaling and hardening, and ensures the long-term stable operation of the equipment.

[0044] After chemical flocculation treatment, the water carries a large amount of dense flocs, which overflow from the flocculation grid 6 and flow through the transition tank 9 for water flow buffering and stabilization, and then enter the horizontal flow sedimentation tank 7 for gravity physical sedimentation.

[0045] Inside the flocculation chamber 6, some of the pre-sedimented sludge is collected through the sludge collection pipe 17 at its bottom and discharged through the sludge discharge pipe 16 in the installation chamber 8. Meanwhile, in the horizontal flow sedimentation tank 7, the remaining large flocs settle to the bottom under gravity and are collected and discharged through other external pipes. The supernatant is then reused as purified circulating water in building materials production. The entire system, through a multi-stage combination of physical interception, chemical flocculation, and gravity sedimentation, fully embodies the achievements of research and experimental development in environmental protection technologies, achieving efficient purification and recycling of building materials wastewater without involving any biological treatment processes.

[0046] Example 2: Please refer to Figure 7 - Figure 11 This embodiment further illustrates Example 1, wherein a drive unblocking component is provided at the bottom center of the grid plate 25.

[0047] A rotating shaft 33 is vertically mounted inside the rotating frame 32, and one end of the rotating shaft 33 is coaxially and fixedly connected to the output end of the drive control motor 31.

[0048] The drive unblocking assembly includes a mounting box 29, a gear 37, and an unblocking rod 34. The mounting box 29 is fixedly installed at the bottom center of the grid plate 25. The gear 37 is located in the middle of the interior of the mounting box 29. The unblocking rod 34 is fixedly installed at the bottom center of the mounting box 29. Several scraping teeth 35 are fixedly fixed around the outside of the unblocking rod 34. The end of the rotating shaft 33 away from the drive control motor 31 is rotatably installed inside the mounting box 29. One side of the gear 37 is fixedly connected to one end of the rotating shaft 33 inside the mounting box 29.

[0049] Two racks 39 are symmetrically and interlocked on both sides of the gear 37. A positioning slide 38 is fixed on one side of each rack 39 inside the mounting box 29. One side of each rack 39 is slidably installed inside the positioning slide 38 on the corresponding side. A stop block 40 is fixed on the end of each rack 39 near the gear 37. A slide rod 36 is fixed on the end of each rack 39 away from the gear 37. One end of the slide rod 36 slides through the mounting box 29 and extends to its outside. The extended end of the slide rod 36 is fixedly connected to the adjusting scraper 30 on the corresponding side.

[0050] In this embodiment, in response to the problem that high-concentration sludge in building material wastewater is prone to deposit at the bottom and cause pipeline blockage, the structure and working principle of the drive unblocking component have been further optimized.

[0051] During the normal up-and-down reciprocating motion, when the grid plate 25 descends to the lowest point of its stroke, the unblocking rod 34, which is fixedly installed at the bottom center of the mounting box 29, is inserted downwards into the mud collection pipe 17 at the bottom of the flocculation grid 6.

[0052] At this time, the scraper teeth 35 fixed around the outside of the dredging rod 34 mechanically agitate and dredge the opening and inside of the sludge collection pipe 17, effectively destroying the bridging structure of the sludge and preventing high-viscosity cement particles and flocs from accumulating and clogging the pipe opening, thereby ensuring the smoothness of the physical sludge discharge process.

[0053] After the equipment has been running continuously for a certain period of time, a large amount of sludge that is difficult to slide off naturally will accumulate at the bottom of the flocculation grid 6. At this time, the stepper motor 22 corresponding to the flocculation grid 6 can be turned off independently through the external control system, so that the grid plate 25 stays at the bottom position and the adjusting scraper 30 adheres to the inner bottom wall of the flocculation grid 6. Then, the drive control motor 31 is started, and the output end of the drive control motor 31 drives the rotating shaft 33 to rotate, which in turn drives the gear 37 inside the mounting box 29 to rotate. The rotation of the gear 37 drives the symmetrically interlocking racks 39 on both sides to slide horizontally inside the positioning slide 38. When the racks 39 move to the set stroke, they are limited by the stop block 40. The horizontal movement of the racks 39 causes the slide rod 36 to slide through the mounting box 29 and extend to its outside, thereby driving the adjusting scrapers 30 on both sides to move towards the middle of the mounting box 29. The adjusting scraper 30, through its gathering action, scrapes and gathers the sludge accumulated around the bottom wall towards the sludge collection pipe 17 in the center, greatly improving the efficiency of centralized discharge of bottom sludge.

[0054] During this sludge collection process, each flocculation cell 6 can be individually controlled by its independent drive control motor 31. While a single flocculation cell 6 is being treated for bottom wall sludge collection, the grid plates 25 in the remaining flocculation cells 6 can still maintain normal up-and-down reciprocating flocculation operations, with minimal impact on the continuous operation of the overall equipment. This design not only optimizes the sludge collection process after solid-liquid separation but also further enhances the equipment's automated maintenance capabilities. Through the multi-stage combination of physical interception, chemical flocculation, gravity sedimentation, and mechanical dredging, the overall equipment fully demonstrates the technological advantages of advanced environmental protection industry in manufacturing specialized environmental protection equipment for water pollution and solid waste pollution. Relying on research and experimental development in environmental protection technologies, it ensures the efficient and stable operation of the multi-stage physicochemical recycling treatment system for building material wastewater without involving any biological treatment processes.

[0055] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wastewater recycling treatment device for building materials production, comprising a flocculation tank, a horizontal flow sedimentation tank disposed on one side of the flocculation tank, and a transition tank connecting the flocculation tank and the horizontal flow sedimentation tank, characterized in that: A flow guide channel is provided in the middle of the flocculation tank. A support frame is fixed on the top outer wall of the flocculation tank near the flow guide channel. A filter box is fixed on the top of the support frame. A filter assembly is provided inside the filter box. Several flocculation cells are equally spaced and connected on both sides of the flow guide channel inside the flocculation tank. A lifting flocculation assembly is provided on the top of each of the several flocculation cells. The lifting flocculation assembly includes a fixed frame, a lead screw, and a grid plate. The fixed frame is fixed to the middle of the top of the flocculation grid. The lead screw is vertically rotatably installed on one side of the top of the fixed frame. The grid plate is set inside the flocculation grid, and a drive unblocking component is set at the middle of the bottom of the grid plate.

2. The wastewater recycling treatment equipment for building materials production according to claim 1, characterized in that: The filter assembly includes a first filter disc and a second filter disc. The first filter disc is obliquely and fixedly installed inside the filter box near the top, and the second filter disc is obliquely and fixedly installed inside the filter box near the bottom. The oblique ends of the first filter disc and the second filter disc both extend through to the outside of the filter box.

3. The wastewater recycling treatment equipment for building materials production according to claim 2, characterized in that: A wastewater inlet pipe is fixed through the top of the filter box, and several drain pipes are fixed through the bottom of the filter box. A flocculant addition pipe is fixed to the flocculation tank near the bottom of the filter box by a bracket. Several drainage nozzles are fixedly connected to the side of the flocculant addition pipe facing the flow guide channel.

4. The wastewater recycling treatment equipment for building materials production according to claim 1, characterized in that: The flocculation tank has an installation cavity at its bottom. Several sludge discharge pipes are fixed inside the installation cavity by a bracket. A sludge collection pipe runs through the middle of the bottom of each flocculation grid. The bottom end of each sludge collection pipe is fixedly connected to the sludge discharge pipe on the corresponding side.

5. The wastewater recycling treatment equipment for building materials production according to claim 1, characterized in that: A limiting frame is fixedly installed at the top of the fixed frame, an mounting frame is fixedly installed at the top of the limiting frame, a stepper motor is fixedly installed at the top of the mounting frame, the output end of the stepper motor is coaxially fixedly connected to the top of the lead screw, a guide rod is fixed between the mounting frame and the end of the fixed frame away from the lead screw, and a limiting plate is provided between the guide rod and the lead screw.

6. The wastewater recycling treatment equipment for building materials production according to claim 5, characterized in that: One end of the limiting plate is slidably sleeved on the outside of the guide rod, and the other end of the limiting plate is threaded on the outside of the lead screw. A through hole is opened in the middle of the fixing frame, and a limiting slide is fixed at each corner of the through hole. A limiting rod is vertically slidably installed inside the limiting slide. The top end of the limiting rod is fixedly connected to the bottom end of the limiting plate, and the bottom end of the limiting rod is fixedly connected to the top end of the grid plate.

7. The wastewater recycling treatment equipment for building materials production according to claim 5, characterized in that: Limiting scrapers are fixedly installed on two outer walls of the mesh plate, and adjusting scrapers are provided on the other two outer walls of the mesh plate. A drive control motor is fixed in the middle of the top surface of the limiting plate, and a rotating frame is fixed in the bottom surface of the limiting plate.

8. The wastewater recycling treatment equipment for building materials production according to claim 7, characterized in that: A rotating shaft is vertically mounted inside the rotating frame, and one end of the rotating shaft is coaxially and fixedly connected to the output end of the drive control motor.

9. The wastewater recycling treatment equipment for building materials production according to claim 8, characterized in that: The drive unblocking assembly includes a mounting box, a gear, and an unblocking rod. The mounting box is fixedly installed at the bottom center of the grid plate. The gear is located in the middle of the inside of the mounting box. The unblocking rod is fixedly installed at the bottom center of the mounting box. Several scraping teeth are fixedly fixed around the outside of the unblocking rod. The end of the rotating shaft away from the drive control motor is rotatably installed inside the mounting box. One side of the gear is fixedly connected to one end of the rotating shaft inside the mounting box.

10. The wastewater recycling treatment equipment for building materials production according to claim 9, characterized in that: Two racks are symmetrically and interlocked on both sides of the gear. A positioning slide is fixed on one side of each rack inside the mounting box. One side of each rack is slidably installed inside the positioning slide on the corresponding side. A stop block is fixed on the end of each rack near the gear. A slide rod is fixed on the end of each rack away from the gear. One end of the slide rod slides through the mounting box and extends to its outside. The extended end of the slide rod is fixedly connected to the adjusting scraper on the corresponding side.

Images