System for regulating solid content of concrete wastewater

Abstract

The utility model relates to the technical field of concrete wastewater sediment separation and reconfiguration, in particular to a concrete wastewater solid content adjusting system, which comprises a sand-stone separator, a stirring water collecting tank, a stirring adjusting box and a rapid sediment box which are sequentially arranged, slurry separated by the rapid settling tank enters the slurry tank to be stored, and clear water separated by the rapid settling tank enters the clear water tank to be stored; the slurry in the slurry box and the clear water in the clear water tank are input into the slurry preparation box in proportion for preparing waste water with specific solid content; and the sand warehouse is provided with a sand-water separator, after slurry preparation is completed, residual slurry in the slurry box can be input into the sand-water separator, the slurry separated by the sand-water separator is stored in the sand warehouse, and separated wastewater flows back to the stirring water collecting tank. By using the system, the treated wastewater can be recycled, and the technical effects of saving resources and recycling materials in a targeted manner are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of separation and reconfiguration of concrete wastewater sediments, in particular to a system for adjusting the solid content of concrete wastewater. Background Art

[0002] The main pollutants in concrete mixing plant wastewater come from three main sources: first, from the cleaning of mixer trucks at the end of production; second, from the cleaning of mechanical equipment such as mixers during production; and third, from the flushing of factory sites to prevent dust. The sources of the wastewater reveal that its main pollutants are suspended sand and gravel particles and powders, including cement, mineral powder, fly ash, and other material particles. These materials can be used again in concrete production after treatment. Currently, the treatment of concrete mixing plant wastewater involves adding new clean water to dilute it, thereby reducing its solid content. This increases the amount of wastewater and is not conducive to treatment, storage, and water conservation. Utility Model Content

[0003] The purpose of the utility model is to provide a system for adjusting the solid content of concrete wastewater to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A system for adjusting the solid content of concrete wastewater, comprising:

[0006] A sand and gravel separator, a mixing and slurry collecting tank, a mixing and regulating tank, and a rapid sedimentation tank are arranged in sequence. The sand and gravel separator is used to perform preliminary separation on the mixture of concrete waste residue and waste slurry. The separated waste slurry will flow into the mixing and slurry collecting tank. The mixing and slurry collecting tank is used to store the waste slurry. The mixing and regulating tank is used to store the wastewater pumped out of the mixing and slurry collecting tank. The rapid sedimentation tank is used to quickly separate the clean water and mud in the wastewater pumped into the mixing and regulating tank.

[0007] The mud separated by the rapid sedimentation tank will enter the mud tank for storage, and the clean water separated by the rapid sedimentation tank will enter the clean water tank for storage;

[0008] A slurry mixing box, which inputs the slurry in the slurry box and the clean water in the clean water tank into the slurry mixing box in proportion to prepare wastewater with a specific solid content; and

[0009] The sand warehouse is equipped with a sand-water separator. After the slurry mixing is completed, the remaining mud in the mud box will be input into the sand-water separator. The mud separated by the sand-water separator is stored in the sand warehouse, and the separated wastewater flows back to the mixing and collecting tank.

[0010] Preferably, the sand and gravel separator includes a sand and gravel separator body, a separator hopper and a pipe. The separator hopper and the sand and gravel separator body are connected to each other. The sand and gravel separator body is provided with a gravel discharge port, a sand discharge port and a wastewater outlet. The two ends of the pipe are respectively connected to the wastewater outlet and the mixing and collecting tank.

[0011] Preferably, the stirring and collecting tank includes a stirrer, a submersible pump, an ultrasonic level meter, a stirring blade and a pipe. The stirrer is used to drive the stirring blade to rotate, the ultrasonic level meter is used to detect the liquid level of the stirring and collecting tank, the submersible pump is arranged in the stirring and collecting tank, and the two ends of the pipe are respectively connected to the submersible pump and the stirring adjustment box.

[0012] Preferably, the stirring and regulating box is connected to a stirrer 2, an air-cooled water pump 1, an ultrasonic liquid level meter 2, a stirring blade 2 and a pipe 3, the stirrer 2 is used to drive the stirring blade 2 to rotate, the ultrasonic liquid level meter 2 is used to detect the liquid level of the stirring and regulating box, the stirring and regulating box is provided with a wastewater outlet 2, the air-cooled water pump 1 is connected to the wastewater outlet 2, and the two ends of the pipe 3 are respectively connected to the air-cooled water pump 1 and the rapid sedimentation box.

[0013] Preferably, the rapid sedimentation tank is provided with a sedimentation tank water inlet and a sedimentation tank mud outlet, and the rapid sedimentation tank is connected to a hose pump 1, a pipe 4 and a pipe 5, the sedimentation tank water inlet and the pipe 3 are connected to each other, the hose pump 1 is provided at the sedimentation tank mud outlet, the two ends of the pipe 4 are respectively connected to the hose pump 1 and the mud tank, and the two ends of the pipe 5 are respectively connected to the sedimentation tank clean water outlet and the clean water tank.

[0014] Preferably, the mud box is connected to a mixer three, a hose pump two, an ultrasonic level meter three, a stirring blade three, a pipeline six and a pipeline seven. The mixer three is used to drive the stirring blade three to rotate, the ultrasonic level meter three is used to detect the liquid level of the mud box, the mud box is provided with a mud outlet three, the hose pump two is connected to the mud outlet three, the hose pump two is connected to the slurry distribution box through the pipeline six, and the remaining mud in the mud box is input into the sand-water separator through the pipeline seven.

[0015] Preferably, the slurry mixing box is connected to a mixer four, an air-cooled water pump two, an ultrasonic liquid level meter four, a stirring blade four, a pipe eight, a weight sensor and a pipe ten. The mixer four is used to drive the stirring blade four to rotate, and the ultrasonic liquid level meter four is used to detect the liquid level of the slurry mixing box. The slurry mixing box is provided with a wastewater outlet four, the air-cooled water pump two is connected to the wastewater outlet four, the air-cooled water pump two is connected to a water storage stirring tank through a pipe eight, the weight sensor is provided at the bottom of the slurry mixing box, and the pipe ten is used to input the water in the clear water tank into the slurry mixing box.

[0016] Preferably, the water storage and stirring tank is used to store the wastewater flowing out of the slurry mixing box. The water storage and stirring tank is connected to a mixer five, a submersible pump two, an ultrasonic level meter five and a stirring blade five. The mixer five is used to drive the stirring blade five to rotate, the ultrasonic level meter five is used to detect the liquid level of the water storage and stirring tank, and the submersible pump two is used to output the wastewater in the water storage and stirring tank.

[0017] Preferably, the sand-water separator includes a sand-water separator water inlet, a sand-water separator water outlet and a sand-water separator mud outlet. The sand-water separator water inlet and the pipe seven are connected to each other, and the sand-water separator water outlet is connected to the stirring water collection tank through the pipe eleven.

[0018] Preferably, the rapid sedimentation tank is provided with a wastewater stirring platform, and the wastewater stirring platform is provided with an electric control box.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the wastewater flowing out of the sand and gravel separator, site washing wastewater and rainwater are quickly precipitated through a rapid sedimentation box, the precipitated mud and sand enter the mud box and the clean water enters the clean water tank, and then the slurry mixing box is used to reduce the ratio of water and mud and sand required for solid content according to user requirements, and the mud and sand that have been originally precipitated and the clean water are pumped into the slurry mixing box respectively, and after mixing, they are reused in the production of concrete; by using this system, the occupied area and environmental pollution are greatly reduced, and the treated wastewater can be recycled, thereby achieving the technical effects of saving resources and targeted recycling of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the position structure of each component of the utility model when viewed from the front;

[0021] Figure 2 This is a schematic diagram of the position structure of each component of the utility model when viewed from above;

[0022] Figure 3 This is a schematic diagram of the structure of the sand and gravel separator of the utility model;

[0023] Figure 4This is a schematic diagram of the structure of the stirring water collecting tank of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the stirring and regulating box of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the rapid sedimentation tank of the utility model (omitting the stirring wastewater platform connected to the rapid sedimentation tank);

[0026] Figure 7 This is a schematic diagram of the structure of the mud box of the utility model;

[0027] Figure 8 This is a schematic diagram of the structure of the slurry distribution box of the utility model;

[0028] Figure 9 This is a structural diagram of the sand-water separator of the utility model;

[0029] Figure 10 This is a schematic diagram of the structure of the rapid sedimentation box of the utility model from above.

[0030] In the figure: 1 sand and gravel separator, 2 sand and gravel separator body, 3 stone discharge port, 4 sand discharge port, 5 wastewater outlet 1, 6 separator hopper, 7 concrete waste slag and wastewater discharge port, 8 pipeline 1, 9 mixing water collection tank, 10 mixer 1, 11 submersible pump 1, 12 ultrasonic level gauge 1, 13 mixing blade 1, 14 pipeline 2, 15 mixing adjustment box, 16 mixer 2, 17 air cooling water pump 1, 18 ultrasonic level gauge 2, 19 mixing blade 2, 20 wastewater outlet 2, 21 pipeline 3, 22 rapid sedimentation box, 23 sedimentation box water inlet, 24 sedimentation box clean water outlet, 25 sedimentation box mud outlet, 26 hose pump 1, 27 pipeline 4, 28 pipeline 5, 29 mud box, 30 mixer 3, 31 hose pump 2, 3 2 Ultrasonic level gauge three, 33 Mixing blade three, 34 Mud outlet three, 35 Pipeline six, 36 Pipeline seven, 37 Electric control box, 38 Slurry mixing box, 39 Mixer four, 40 Air-cooled water pump two, 41 Ultrasonic level gauge four, 42 Mixing blade four, 43 Wastewater outlet four, 44 Pipeline eight, 45 Slurry inlet, 46 Water inlet, 47 Overflow, 48 Weight sensor, 49 Water storage mixing tank, 50 Mixer five, 51 Submersible pump two, 52 Ultrasonic level gauge five, 53 Mixing blade five, 54 Pipeline nine, 5 Clear water tank, 56 Pipeline ten, 57 Sand warehouse, 58 Pipeline eleven, 59 Sand-water separator, 60 Sand-water separator water inlet, 61 Sand-water separator water outlet, 62 Sand-water separator mud outlet, 100 Concrete mixing plant. DETAILED DESCRIPTION

[0031] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0032] See also Figure 1-10 , the utility model provides a technical solution:

[0033] A system for adjusting the solid content of concrete wastewater, as shown in the attached manual Figure 1 Shown, including:

[0034] The gravel separator 1, the mixing and collecting tank 9, the mixing and regulating box 15 and the rapid sedimentation tank 22 are arranged in sequence. The gravel separator 1 is used to perform preliminary separation on a mixture of concrete waste (including gravel and sand) and waste slurry (wastewater containing fine sand, powder and cement). The separated gravel flows out from the gravel discharge port 3 of the gravel separator 1, and the sand flows out from the sand discharge port 4 of the gravel separator 1. The separated waste slurry will flow into the mixing and collecting tank 9;

[0035] The mixing water collection tank 9 is a steel structure water tank, which is set under the ground and is used to store waste slurry and waste water and rainwater for cleaning the work site;

[0036] The stirring regulating tank 15 is a steel structure water tank. The stirring regulating tank 15 is set on the ground. The stirring regulating tank 15 is used to store the wastewater pumped out from the stirring collecting tank 9. The stirring regulating tank 15 is also used to adjust the water pump flow from the stirring collecting tank 9 to the rapid sedimentation tank 22, adjust the time for the rapid sedimentation tank 22 to be filled with water, and the interval between each water filling;

[0037] The rapid sedimentation tank 22 is used to quickly separate the clean water and mud in the wastewater pumped into the stirring and regulating tank 15. When in use, the powder, fine sand and water in the wastewater entering through the water inlet of the rapid sedimentation tank 22 are quickly precipitated. The powder, fine sand, etc. are settled to the bottom of the rapid sedimentation tank 22, while the clean water rises to the upper layer of the rapid sedimentation tank 22. The sediment (mud) after precipitation is regularly sucked away from the mud bin at the bottom of the rapid sedimentation tank 22 by a hose pump 26, and the clean water in the upper part of the rapid sedimentation tank 22 is pumped to the clean water tank 55 by the air-cooled water pump arranged in the middle.

[0038] The mud separated and settled by the rapid sedimentation tank 22 will enter the mud tank 29 for storage, and the clean water separated by the rapid sedimentation tank 22 will enter the clean water tank 55 for storage;

[0039] The slurry mixing box 38 is a steel structure water tank. The slurry mixing box 38 is set on the ground. The slurry in the slurry box 29 and the clean water in the clean water tank 55 are proportionally input into the slurry mixing box 38 to mix wastewater with a specific solid content to supply the concrete mixing plant for production. Therefore, the slurry mixing box 38 is used to reconfigure the ratio of sediment and water in the wastewater to meet the user's requirements for the solid content of the wastewater; and

[0040] Sand warehouse 57, the sand warehouse 57 is provided with a sand-water separator 59. After the slurry preparation is completed, the remaining mud in the mud box 29 will be input into the sand-water separator 59. The mud separated by the sand-water separator 59 is stored in the sand warehouse 57, and the separated wastewater is returned to the mixing and collecting tank 9.

[0041] The sand and gravel separator 1 includes a sand and gravel separator body 2, a separator hopper 6 and a pipe 8. The separator hopper 6 and the sand and gravel separator body 2 are connected to each other. The sand and gravel separator body 2 is provided with a stone discharge port 3, a sand discharge port 4 and a wastewater outlet 5. The two ends of the pipe 8 are respectively connected to the wastewater outlet 5 and the mixing and collecting tank 9. The sand and gravel separator body 2 is provided with a concrete waste slag and wastewater discharge port 7. The concrete waste slag and wastewater discharge port 7 and the sand and gravel separator body 2 are connected to each other.

[0042] The mixing and collecting tank 9 includes a mixer 10, a submersible pump 11, an ultrasonic level meter 12, a mixing blade 13 and a pipe 14. The mixer 10 is used to drive the mixing blade 13 to rotate, the ultrasonic level meter 12 is used to detect the liquid level of the mixing and collecting tank 9, the submersible pump 11 is arranged in the mixing and collecting tank 9, and the two ends of the pipe 14 are respectively connected to the submersible pump 11 and the mixing adjustment box 15.

[0043] In this embodiment, mixer 1 10, mixer 2 16, mixer 3 30, mixer 4 39 and mixer 5 50 are all Y200L series mixing motors, which have good operating stability and durability and can meet the mixing requirements required by this application.

[0044] In this embodiment, the ultrasonic level meter 12, the ultrasonic level meter 2, the ultrasonic level meter 18, the ultrasonic level meter 3, the ultrasonic level meter 4, the ultrasonic level meter 41, and the ultrasonic level meter 52 are all VEGAFLEX 86 ultrasonic level meters produced by Siemens.

[0045] In this embodiment, submersible pump 11 and submersible pump 2 51 are both VP cast stainless steel submersible pumps. This type of submersible pump can normally convey water with a sand content of less than 350 grams per cubic meter, and is very suitable for various water quality conditions that may be encountered in concrete production.

[0046] In this embodiment, the air-cooled water pump 17 and the air-cooled water pump 2 40 are FS-BLC-150 air-cooled centrifugal pumps. This type of air-cooled centrifugal pump uses air cooling to dissipate heat, which can effectively reduce the motor temperature during use and extend the service life of the water pump.

[0047] In this embodiment, hose pump 1 26 and hose pump 2 31 are YLRG series hose pumps produced by Xinxiang Yulong Engineering Machinery Co., Ltd. This type of hose pump is made of strong materials such as steel, has high durability and wear resistance, and is suitable for use in harsh environments such as concrete production.

[0048] The stirring and adjusting box 15 is connected to a stirrer 2 16, an air-cooled water pump 17, an ultrasonic level gauge 2 18, a stirring blade 2 19 and a pipe 3 21. The stirrer 2 16 is used to drive the stirring blade 2 19 to rotate to prevent the powder and fine sand of the waste slurry from settling at the bottom of the stirring and adjusting box 15. The ultrasonic level gauge 2 18 is used to detect the liquid level of the stirring and adjusting box 15. The stirring and adjusting box 15 is provided with a wastewater outlet 2 20. The air-cooled water pump 17 is connected to the wastewater outlet 20. The air-cooled water pump 17 is used to pump the wastewater in the stirring and adjusting box 15 into the rapid sedimentation tank 22. The two ends of the pipe 3 21 are respectively connected to the air-cooled water pump 17 and the rapid sedimentation tank 22. The work of the air-cooled water pump 17 to pump wastewater is controlled by the electronic control program in the electronic control box 37.

[0049] The rapid sedimentation tank 22 is provided with a sedimentation tank water inlet 23 and a sedimentation tank mud outlet 25. The rapid sedimentation tank 22 is connected to a hose pump 1 26, a pipe 4 27 and a pipe 5 28. The sedimentation tank water inlet 23 and the pipe 3 21 are connected to each other. The hose pump 1 26 is provided at the sedimentation tank mud outlet 25. The two ends of the pipe 4 27 are respectively connected to the hose pump 1 26 and the mud tank 29. The two ends of the pipe 5 28 are respectively connected to the sedimentation tank clean water outlet 24 and the clean water tank 55.

[0050] The mud box 29 is connected to a mixer three 30, a hose pump two 31, an ultrasonic level meter three 32, a stirring blade three 33, a pipe six 35 and a pipe seven 36. The mixer three 30 is used to drive the stirring blade three 33 to rotate, and the ultrasonic level meter three 32 is used to detect the liquid level of the mud box 29. The mud box 29 is provided with a mud outlet three 34. The hose pump two 31 is connected to the mud outlet three 34. The hose pump two 31 is connected to the slurry inlet 45 of the slurry mixing box 38 through the pipe six 35. The remaining mud in the mud box 29 is input into the sand-water separator 59 through the pipe seven 36.

[0051] The slurry mixing box 38 is connected to a mixer 4 39, an air-cooled water pump 2 40, an ultrasonic level meter 41, a stirring blade 42, a pipe 8 44, a weight sensor 48 and a pipe 10 56. The mixer 4 39 is used to drive the stirring blade 4 42 to rotate. The ultrasonic level meter 41 is used to detect the liquid level of the slurry mixing box 38. The slurry mixing box 38 is provided with a wastewater outlet 43. The air-cooled water pump 2 40 is connected to the wastewater outlet 43. The air-cooled water pump 2 40 is connected to the water storage mixing tank 49 through the pipe 8 44. The weight sensor 48 is provided. It is placed at the bottom of the slurry mixing box 38. The weight of the clean water and mud is recorded by the weight sensor 48 and then transmitted to the electric control box 37 for monitoring. The pipe 56 is used to input the water in the clean water tank 55 into the slurry mixing box 38 through the water inlet 46. The slurry mixing box 38 is provided with an overflow port 47. When the mud is pumped in, the water level rises. When it exceeds the overflow line, the excess water will flow out from the overflow port 47. This ensures that each time the total weight of the water and mud is weighed, the water and mud in the slurry mixing box 38 are of fixed volume, and the solid content of the wastewater can be calculated according to demand.

[0052] The water storage and mixing tank 49 is a steel structure water tank. The water storage and mixing tank 49 is set underground. The water storage and mixing tank 49 is used to store the re-mixed wastewater flowing out of the slurry box 38 for supplying the mixing plant to produce concrete. The water storage and mixing tank 49 is connected to a mixer 50, a submersible pump 51, an ultrasonic level meter 52 and a mixing blade 53. The mixer 50 is used to drive the mixing blade 53 to rotate, the ultrasonic level meter 52 is used to detect the liquid level of the water storage and mixing tank 49, and the submersible pump 2 51 is used to output the wastewater in the water storage and mixing tank 49. The water storage and mixing tank 49 is connected to the concrete mixing plant 100 through a pipe 9 54.

[0053] The sand-water separator 59 includes a sand-water separator water inlet 60, a sand-water separator water outlet 61 and a sand-water separator mud outlet 62. The sand-water separator water inlet 60 and pipe seven 36 are connected to each other, and the sand-water separator water outlet 61 is connected to the mixing water collection tank 9 through pipe eleven 58.

[0054] The rapid sedimentation tank 22 is provided with a wastewater stirring platform, and the wastewater stirring platform is provided with an electric control box 37. The electric control box 37 is used to store electric control equipment, and the electric control equipment is responsible for controlling the operation of the above-mentioned components.

[0055] Working principle: The mixer truck or other engineering machinery unloads the waste residue and waste slurry into the separator hopper 6, and enters the sand and gravel separator body 2 through the concrete waste residue and wastewater discharge port. After separation by the sand and gravel separator body 2, the powder, part of the fine sand and cement in the concrete wastewater flow out from the wastewater outlet to the mixing and collecting tank 9 for storage. The mixer 10 in the mixing and collecting tank 9 will continuously drive the mixing blade 13 to stir, and the wastewater in the submersible pump 11 will be pumped into the mixing and regulating tank 15 through the submersible pump 11, and then the wastewater in the mixing and regulating tank 15 will be pumped into the rapid sedimentation tank 22 through the air-cooled water pump 17. The mud separated by the rapid sedimentation tank 22 will enter the mud tank 29 for storage, and the clean water separated by the rapid sedimentation tank 22 will enter the clean water tank 55 for storage.

[0056] When preparing slurry, clean water is pumped from the clean water tank 55 to the slurry preparation box 38 until it reaches the clean water line and stops pumping in clean water. Then, the hose pump 2 31 of the mud box 29 pumps the slurry into the mud preparation box 38 until the weight of the mud and clean water reaches a preset weight, at which point the hose pump 2 31 stops pumping, and the slurry preparation is completed.

[0057] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A system for adjusting the solid content of concrete wastewater, characterized in that: include: A sand and gravel separator, a mixing and slurry collecting tank, a mixing and regulating tank, and a rapid sedimentation tank are arranged in sequence. The sand and gravel separator is used to perform preliminary separation on the mixture of concrete waste residue and waste slurry. The separated waste slurry will flow into the mixing and slurry collecting tank. The mixing and slurry collecting tank is used to store the waste slurry. The mixing and regulating tank is used to store the wastewater pumped out of the mixing and slurry collecting tank. The rapid sedimentation tank is used to quickly separate the clean water and mud in the wastewater pumped into the mixing and regulating tank. The mud separated by the rapid sedimentation tank will enter the mud tank for storage, and the clean water separated by the rapid sedimentation tank will enter the clean water tank for storage; A slurry mixing box, which inputs the slurry in the slurry box and the clean water in the clean water tank into the slurry mixing box in proportion to prepare wastewater with a specific solid content; as well as The sand warehouse is equipped with a sand-water separator. After the slurry mixing is completed, the remaining mud in the mud box will be input into the sand-water separator. The mud separated by the sand-water separator is stored in the sand warehouse, and the separated wastewater flows back to the mixing and collecting tank.

2. A system for adjusting the solid content of concrete wastewater according to claim 1, characterized in that: The sand and gravel separator includes a sand and gravel separator body, a separator hopper and a pipe. The separator hopper and the sand and gravel separator body are connected to each other. The sand and gravel separator body is provided with a gravel discharge port, a sand discharge port and a wastewater outlet. The two ends of the pipe are respectively connected to the wastewater outlet and the mixing and collecting tank.

3. The system for adjusting the solid content of concrete wastewater according to claim 2, characterized in that: The stirring and collecting tank includes a stirrer, a submersible pump, an ultrasonic liquid level meter, a stirring blade and a pipe. The stirrer is used to drive the stirring blade to rotate, the ultrasonic liquid level meter is used to detect the liquid level of the stirring and collecting tank, the submersible pump is arranged in the stirring and collecting tank, and the two ends of the pipe are respectively connected to the submersible pump and the stirring adjustment box.

4. A system for adjusting the solid content of concrete wastewater according to claim 3, characterized in that: The stirring and regulating box is connected to a second stirrer, an air-cooled water pump, a second ultrasonic level gauge, a second stirring blade and a third pipe. The second stirrer is used to drive the second stirring blade to rotate. The second ultrasonic level gauge is used to detect the liquid level of the stirring and regulating box. The stirring and regulating box is provided with a second wastewater outlet. The first air-cooled water pump is connected to the second wastewater outlet. The two ends of the third pipe are respectively connected to the first air-cooled water pump and the rapid sedimentation box.

5. The system for adjusting the solid content of concrete wastewater according to claim 4, characterized in that: The rapid sedimentation box is provided with a sedimentation box water inlet and a sedimentation box mud outlet. The rapid sedimentation box is connected to a hose pump 1, a pipe 4 and a pipe 5. The sedimentation box water inlet and the pipe 3 are connected to each other. The hose pump 1 is provided at the sedimentation box mud outlet. The two ends of the pipe 4 are respectively connected to the hose pump 1 and the mud box. The two ends of the pipe 5 are respectively connected to the sedimentation box clean water outlet and the clean water tank.

6. The system for adjusting the solid content of wastewater from concrete mixing according to claim 5, characterized in that: The mud box is connected to a mixer three, a hose pump two, an ultrasonic level meter three, a stirring blade three, a pipeline six and a pipeline seven. The mixer three is used to drive the stirring blade three to rotate, and the ultrasonic level meter three is used to detect the liquid level of the mud box. The mud box is provided with a mud outlet three, the hose pump two is connected to the mud outlet three, and the hose pump two is connected to the slurry mixing box through the pipeline six. The remaining mud in the mud box is input into the sand-water separator through the pipeline seven.

7. The system for adjusting the solid content of concrete wastewater according to claim 1, characterized in that: The slurry mixing box is connected to a mixer four, an air-cooled water pump two, an ultrasonic level meter four, a stirring blade four, a pipe eight, a weight sensor and a pipe ten. The mixer four is used to drive the stirring blade four to rotate, and the ultrasonic level meter four is used to detect the liquid level of the slurry mixing box. The slurry mixing box is provided with a wastewater outlet four, the air-cooled water pump two is connected to the wastewater outlet four, the air-cooled water pump two is connected to a water storage stirring tank through a pipe eight, the weight sensor is provided at the bottom of the slurry mixing box, and the pipe ten is used to input the water in the clear water tank into the slurry mixing box.

8. The system for adjusting the solid content of concrete wastewater according to claim 7, characterized in that: The water storage and stirring tank is used to store the wastewater flowing out of the slurry mixing box. The water storage and stirring tank is connected to a mixer five, a submersible pump two, an ultrasonic level meter five and a stirring blade five. The mixer five is used to drive the stirring blade five to rotate, the ultrasonic level meter five is used to detect the liquid level of the water storage and stirring tank, and the submersible pump two is used to output the wastewater in the water storage and stirring tank.

9. The system for adjusting the solid content of concrete wastewater according to claim 6, characterized in that: The sand-water separator includes a sand-water separator water inlet, a sand-water separator water outlet and a sand-water separator mud outlet. The sand-water separator water inlet and the pipe seven are connected to each other, and the sand-water separator water outlet is connected to the stirring water collection tank through the pipe eleven.

10. The system for adjusting the solid content of concrete wastewater according to claim 1, characterized in that: The rapid sedimentation tank is provided with a wastewater stirring platform, and the wastewater stirring platform is provided with an electric control box.

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