Premixed concrete mixing plant wastewater treatment device

Abstract

The invention discloses a premixed concrete mixing plant wastewater treatment device, which comprises a coagulating basin, a flocculation basin and a sedimentation basin, the coagulating basin, the flocculation basin and the sedimentation basin are sequentially communicated, the outer side of the coagulating basin is fixedly connected with a chemical agent box, the chemical agent box is provided with a chemical agent feeding assembly, the coagulating basin is fixedly connected with a support frame, and the support frame is provided with a chemical agent feeding assembly. A coagulation assembly is arranged on the support frame, the dosing assembly is connected with the coagulation assembly through a pipeline, a connecting pipe is arranged at the lower end of the flocculation tank, and a sludge discharge pipe is arranged at the lower end of the sedimentation tank. Sludge at the bottom of the equipment is collected to the center of the bottom of the tank by arranging the spiral blade and the sludge scraping assembly and is accumulated in the connecting pipe or the sludge discharge pipe, and when the sludge level meter detects that the sludge amount exceeds a threshold value, the sludge discharge valve is opened to discharge the sludge out of the equipment, so that flocculated and precipitated sludge in wastewater is cleaned in time, and the sewage treatment efficiency is improved. Sludge accumulation and secondary pollution are avoided, so that the wastewater treatment cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of wastewater treatment devices, and in particular relates to a wastewater treatment device for a ready-mixed concrete mixing station. Background Art

[0002] The wastewater of ready-mixed concrete is mainly generated from: Mixer cleaning: After the mixer completes the production task of the day, or before the next batch of different types of concrete production tasks, it must be rinsed with clean water to avoid residual concrete from contaminating the mixer and causing adverse effects on the performance of the next batch of concrete. This process will produce wastewater containing concrete residues.

[0003] Transport vehicle cleaning: After the concrete transport vehicle completes the transportation task, the tank of the transport vehicle must also be rinsed with clean water to prevent the residual concrete from hardening and agglomerating, making it difficult to clean. At the same time, the residual concrete may also have an adverse effect on the performance of the next batch of different types of concrete. This link also produces wastewater.

[0004] Sand and gravel conveying process: During the sand and gravel conveying process, if the conveyor belt is not fully enclosed, some dust (mainly mud) in the sand and gravel will fall under the conveyor belt corridor, causing pollution to the production space. In order to clean up the dust, a certain amount of wastewater will be generated.

[0005] Other sources: Some rainwater may also be mixed into the wastewater system of the concrete mixing plant. In addition, the residues and wastewater generated after the production and testing of concrete test blocks, as well as the solid accumulation generated during the production process of the mixer, are also part of the wastewater sources.

[0006] Therefore, these wastewaters usually contain a large amount of hydrated or unhydrated cement and admixture particles, are generally strongly alkaline, and have a high pH value, generally around 10-12. In addition, the wastewater also contains other cementitious material particles, clay particles brought in by aggregates, soluble inorganic salts, and admixture ions, etc. If discharged directly, it will not only cause great social harm, but also waste precious water resources.

[0007] Wastewater treatment equipment is a kind of equipment specially used for wastewater treatment. Its core is to fully mix the pollutants in the wastewater with chemical additives through stirring, thereby improving the efficiency of wastewater treatment. Such equipment usually includes key components such as treatment tanks, agitators, and drive mechanisms, and can be customized according to the characteristics of the wastewater and treatment requirements. According to the different stirring methods, stirring wastewater treatment equipment can be divided into two categories: mechanical stirring and air flow stirring, among which mechanical stirring is more common.

[0008] However, there are some problems with the prior art: when the equipment is treating wastewater, it is necessary to continuously input wastewater, so it is necessary to continuously add coagulant agents. If the wastewater input amount does not match the agent input amount, it is easy to cause incomplete treatment effect, or excessive agent input causes cost waste. In addition, the sludge flocculated and precipitated from the wastewater contains a large amount of organic matter, inorganic matter and microorganisms. If it is not treated in time, it will cause secondary pollution, thereby increasing the wastewater treatment cost. Therefore, we propose a wastewater treatment device for a ready-mixed concrete mixing station. Summary of the invention

[0009] In view of the problems existing in the prior art, the purpose of the present invention is to provide a wastewater treatment device for a ready-mixed concrete mixing station, which automatically adjusts the amount of coagulant added through a dosing component to match the wastewater input to avoid incomplete treatment or excessive agent. At the same time, the sludge scraping component cleans the sludge in time to prevent secondary pollution and reduce treatment costs.

[0010] The present invention is implemented as follows: a wastewater treatment device for a ready-mixed concrete mixing station includes a coagulation tank, a flocculation tank and a sedimentation tank, wherein the coagulation tank, the flocculation tank and the sedimentation tank are connected in sequence, a medicine box is fixedly connected to the outside of the coagulation tank, a medicine dosing assembly is arranged on the medicine box, a support frame is fixedly connected to the coagulation tank, a coagulation assembly is arranged on the support frame, the medicine dosing assembly is connected to the coagulation assembly pipeline, a connecting pipe is arranged at the lower end of the flocculation tank, a mud discharge pipe is arranged at the lower end of the sedimentation tank, a mud level meter is fixedly installed on the outside of the sedimentation tank, a water outlet pipe is arranged on the outside of the sedimentation tank, and a mud scraping assembly is arranged on the sedimentation tank.

[0011] Optionally, the medication assembly includes a connecting plate, the connecting plate is fixedly connected to the medication box, a cylinder is fixedly installed on the connecting plate, a metering tube is fixedly connected to the connecting plate, a medication feed tube is provided on the metering tube, the medication feed tube is fixedly connected to the medication box, and an output tube is fixedly connected to the metering tube.

[0012] Optionally, the output end of the cylinder is slidably connected to the quantitative tube, a rubber plug is fixedly connected to the output end of the cylinder, the rubber plug is slidably connected to the quantitative tube, and both the medicine inlet tube and the output tube are provided with a one-way valve.

[0013] Optionally, the coagulation component includes a first motor, a first connecting shaft is fixedly connected to the output shaft of the first motor, a fan blade is fixedly connected to the first connecting shaft, a first drug delivery tube is rotatably connected to the support frame, a second drug delivery tube is rotatably connected to the support frame, the first drug delivery tube and the second drug delivery tube are both provided with small drug delivery tubes, the small drug delivery tubes are distributed in a circle, the first drug delivery tube and the second drug delivery tube are both rotatably connected with sealing rings, the sealing rings are fixedly connected to the output tube, the first connecting shaft and the first drug delivery tube are gear-meshed, and the first connecting shaft and the second drug delivery tube are gear-meshed.

[0014] Optionally, a bearing is provided on the coagulation tank, a support ring is provided on the bearing, a support rod is fixedly connected to the outer side of the first connecting shaft, a scraper is fixedly connected to the support rod, the scraper contacts the inner wall of the coagulation tank, one end of the scraper is fixedly connected to the support ring, and the other end of the scraper is fixedly connected to the support rod.

[0015] Optionally, a mud storage chamber is formed at the bottom of the flocculation tank, one end of the connecting pipe is connected to the mud storage chamber, and the other end of the connecting pipe is connected to the mud discharge pipe. Mud discharge valves are provided on the connecting pipe and the mud discharge pipe, and the detection end of the mud level meter is located at the bottom of the sedimentation tank.

[0016] Optionally, a second motor is fixedly installed on the flocculation tank, a second connecting shaft is fixedly connected to the output end of the second motor, a stirring impeller is fixedly connected to the outer side of the second connecting shaft, a spiral impeller is fixedly connected to the second connecting shaft, and the spiral impeller is located in the mud storage chamber.

[0017] Optionally, air holes are provided on the stirring impeller, and hinged blades are provided at both ends of the stirring impeller. The number of the hinged blades is multiple and distributed in a circle.

[0018] Optionally, a baffle is fixedly connected to the inside of the sedimentation tank, an avoidance hole is opened on the baffle, a water inlet chamber and a water outlet chamber are formed between the baffle and the sedimentation tank, an inclined plate group is arranged in the water outlet chamber, the inclined plate group is fixedly connected to the baffle, and a filter plate is plugged into the water outlet pipe.

[0019] Optionally, the scraper assembly includes a third motor, a third connecting shaft is fixedly connected to the output end of the third motor, the third connecting shaft passes through the avoidance hole, a support rod is provided on the third connecting shaft, a steel wire is provided between the support rod and the third connecting shaft, and a scraper plate is provided at the lower end of the support rod.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By setting spiral blades and scraper components, when working, the sludge at the bottom of the equipment is collected to the center of the pool bottom through stirring and rotation, and accumulated in the connecting pipe or sludge discharge pipe. When the mud level meter detects that the sludge amount exceeds the threshold, the sludge discharge valve on the connecting pipe and the sludge discharge pipe is opened, and the sludge is discharged from the equipment through wastewater discharge, so as to clean up the flocculated and precipitated sludge in the wastewater in time, avoid sludge accumulation and secondary pollution, and reduce the cost of wastewater treatment.

[0022] 2. By setting up a cylinder, a metering tube and a set of one-way valves, the precise output of the cylinder is used to ensure the accuracy of the cooperation between the rubber plug and the metering tube. The output end of the cylinder is retracted to drive the rubber plug to move in the metering tube, and the medicine is drawn from the medicine box through the medicine inlet pipe. The medicine enters the metering tube through the one-way valve and is then output through the cylinder. The quantitative medicine is discharged through the one-way valve on the output tube and enters the first drug delivery tube and the second drug delivery tube.

[0023] 3. By setting up the coagulation component and the dosing component, the first motor runs continuously to drive the fan blades to stir the wastewater in the coagulation tank, and at the same time drives the first drug delivery tube and the second drug delivery tube to rotate through the gear transmission, and the small infusion tubes on the first drug delivery tube and the second drug delivery tube are used to assist in stirring, so that the wastewater in the coagulation tank and the agent react more fully. At the same time, when the dosing component is working, since the small infusion tubes on the first drug delivery tube and the second drug delivery tube are respectively located on the upper and lower sides, the agent is added more evenly in the coagulation tank.

[0024] Further features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] FIG1 is a schematic diagram of the overall structure provided by the present invention;

[0026] FIG2 is a schematic cross-sectional view of the sedimentation tank structure provided by the present invention;

[0027] FIG3 is a schematic diagram of the structure of a coagulation assembly provided by the present invention;

[0028] FIG4 is a schematic cross-sectional view of a drug delivery assembly provided by the present invention;

[0029] FIG5 is an enlarged schematic diagram of the stirring impeller structure provided by the present invention;

[0030] FIG. 6 is a schematic diagram of the baffle structure provided by the present invention.

[0031] In the figure: 1, coagulation tank; 11, reagent box; 12, support frame; 13, support ring; 14, bearing; 15, connecting pipe; 16, mud discharge pipe; 17, mud level meter; 18, mud discharge valve; 19, water outlet pipe; 2, dosing assembly; 21, connecting plate; 22, cylinder; 23, quantitative pipe; 24, drug inlet pipe; 25, output pipe; 26, rubber plug; 27, one-way valve; 3, coagulation assembly; 31, first motor; 32, first connecting shaft; 33, fan blade; 34, first drug delivery pipe; 35, second drug delivery pipe; 36. Small tube for drug delivery; 37. Sealing ring; 38. Scraper; 39. Support rod; 4. Flocculation tank; 41. Mud storage chamber; 42. Second motor; 43. Second connecting shaft; 44. Agitator impeller; 45. Air hole; 46. Folding blade; 47. Spiral impeller; 5. Sedimentation tank; 51. Baffle; 52. Avoidance hole; 53. Water inlet chamber; 54. Water outlet chamber; 55. Inclined plate group; 56. Filter plate; 6. Mud scraping assembly; 61. Third motor; 62. Third connecting shaft; 63. Steel wire; 64. Support rod; 65. Mud scraping plate. DETAILED DESCRIPTION

[0032] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0033] As shown in Figures 1 to 6, a ready-mixed concrete mixing station wastewater treatment device provided by an embodiment of the present invention includes a coagulation tank 1, a flocculation tank 4 and a sedimentation tank 5. The coagulation tank 1, the flocculation tank 4 and the sedimentation tank 5 are connected in sequence. A medicine box 11 is fixedly connected to the outer side of the coagulation tank 1, and a dosing component 2 is arranged on the medicine box 11. A support frame 12 is fixedly connected to the coagulation tank 1, and a coagulation component 3 is arranged on the support frame 12. The dosing component 2 is connected to the coagulation component 3 by a pipeline. A connecting pipe 15 is arranged at the lower end of the flocculation tank 4, a mud discharge pipe 16 is arranged at the lower end of the sedimentation tank 5, a mud level meter 17 is fixedly installed on the outer side of the sedimentation tank 5, a water outlet pipe 19 is arranged on the outer side of the sedimentation tank 5, and a mud scraper component 6 is arranged on the sedimentation tank 5.

[0034] Furthermore, when the equipment is working, the wastewater is added to the coagulation tank 1 after coarse filtration. It takes a certain amount of time to react and treat the wastewater, so the input speed of the wastewater is slow. The equipment adds the corresponding agent through the dosing component 2, and then stirs it through the coagulation component 3. After the mixed reaction, the water flows through the connection between the coagulation tank 1, the flocculation tank 4 and the sedimentation tank 5 to form a water flow, and finally the purified water is discharged through the outlet pipe 19, and the sludge settled at the bottom is discharged in time through the sludge discharge component.

[0035] Specifically, the dosing assembly 2 includes a connecting plate 21, which is fixedly connected to the dosing box, a cylinder 22 is fixedly installed on the connecting plate 21, a metering tube 23 is fixedly connected to the connecting plate 21, a drug inlet tube 24 is provided on the metering tube 23, the drug inlet tube 24 is fixedly connected to the dosing box, an output tube 25 is fixedly connected to the metering tube 23, the output end of the cylinder 22 is slidably connected to the metering tube 23, a rubber plug 26 is fixedly connected to the output end of the cylinder 22, the rubber plug 26 is slidably connected to the metering tube 23, and a one-way valve 27 is provided on both the drug inlet tube 24 and the output tube 25.

[0036] As shown in FIG4 , when the output end of the air cylinder 22 is retracted, the rubber stopper 26 will be driven to move in the metering tube 23. This action is like a precise pump, which extracts the required medicine from the medicine feeding box through the medicine feeding tube 24. In this process, the one-way valve 27 ensures that the medicine can only flow from the medicine feeding box to the metering tube 23, preventing the backflow and leakage of the medicine, thereby ensuring the accuracy and safety of the medicine feeding process. When the metering tube 23 is filled with the coagulation medicine, the output end of the air cylinder 22 will move again, pushing the rubber stopper 26 forward, and the medicine in the metering tube 23 will be compressed and discharged through the one-way valve 27 on the output tube 25, entering the first medicine delivery tube 34 and the second medicine delivery tube 35, and finally discharged through the small medicine delivery tube 36;

[0037] It should be noted that the small drug delivery tubes 36 on the first drug delivery tube 34 and the second drug delivery tube 35 are both distributed in the lower half of the pipe, and the first drug delivery tube 34 is shorter and the second drug delivery tube 35 is longer, so that the upper and lower parts of the coagulation tank 1 are both distributed with small drug delivery tubes 36, making the addition of the agent more uniform.

[0038] Furthermore, when the dosing assembly 2 starts working, the small drug delivery tubes 36 on the first drug delivery tube 34 and the second drug delivery tube 35 are respectively located on the upper and lower sides of the coagulation tank 1. This layout ensures that the reagents can be added to the coagulation tank 1 evenly and comprehensively, avoiding the problem of excessive or low local concentration of the reagents, thereby further improving the efficiency and quality of wastewater treatment. In addition, due to the uniform distribution of the reagents, the coagulation reaction is also more stable, which helps to reduce the complexity and cost of subsequent treatment steps.

[0039] Specifically, the coagulation component 3 includes a first motor 31, a first connecting shaft 32 is fixedly connected to the output shaft of the first motor 31, a fan blade 33 is fixedly connected to the first connecting shaft 32, a first drug delivery tube 34 is rotatably connected to the support frame 12, a second drug delivery tube 35 is rotatably connected to the support frame 12, small drug delivery tubes 36 are provided on the first drug delivery tube 34 and the second drug delivery tube 35, and the small drug delivery tubes 36 are distributed in a circle, the first drug delivery tube 34 and the second drug delivery tube 35 are rotatably connected to the sealing ring 37, the sealing ring 37 is fixedly connected to the output tube 25, the first connecting shaft 32 and the first drug delivery tube 34 are gear-meshed, and the first connecting shaft 32 and the second drug delivery tube 35 are gear-meshed.

[0040] Furthermore, the first motor 31 runs continuously, and drives the fan blades 33 to stir the wastewater in the coagulation tank 1 through the first connecting shaft 32. At the same time, the first drug delivery tube 34 and the second drug delivery tube 35 are linked to rotate through gear transmission. The densely distributed infusion tubes on the first drug delivery tube 34 and the second drug delivery tube 35 play an auxiliary stirring role in the wastewater stirring process, thereby enhancing the mixing effect between the wastewater and the agent, and making the coagulation reaction more sufficient and efficient.

[0041] Specifically, a second motor 42 is fixedly installed on the flocculation tank 4, a second connecting shaft 43 is fixedly connected to the output end of the second motor 42, a stirring impeller 44 is fixedly connected to the outer side of the second connecting shaft 43, an air hole 45 is opened on the stirring impeller 44, and folding blades 46 are arranged at both ends of the stirring impeller 44, and the number of the folding blades 46 is multiple and distributed in a circle.

[0042] Furthermore, the second motor 42 drives the second connecting shaft 43 to rotate, and the outer side of the second connecting shaft 43 is fixedly connected to the stirring impeller 44. The air holes 45 provided on the stirring impeller 44 can introduce air during the stirring process to form tiny bubbles, which help the suspended particles in the wastewater to collide with each other and aggregate into larger flocs, thereby accelerating the flocculation process.

[0043] In addition, a plurality of folding blades 46 distributed in a circular pattern are provided at both ends of the impeller 44. These folding blades 46 not only enhance the stirring effect of the impeller 44, but also can generate a certain shear force during the rotation process, which helps to break the colloidal structure in the wastewater, making it easier to react with the agent and generate flocs, so as to ensure the uniformity and efficiency of the stirring and flocculation process.

[0044] Specifically, a baffle 51 is fixedly connected to the inside of the sedimentation tank 5, and an avoidance hole 52 is opened on the baffle 51. A water inlet chamber 53 and a water outlet chamber 54 are formed between the baffle 51 and the sedimentation tank 5. An inclined plate group 55 is arranged in the water outlet chamber 54, and the inclined plate group 55 is fixedly connected to the baffle 51. A filter plate 56 is inserted into the water outlet pipe 19.

[0045] Furthermore, the baffle 51 plays the role of separating spaces, so that the sedimentation tank 5 forms two independent spaces, namely the water inlet chamber 53 and the water outlet chamber 54, which is helpful for the wastewater to be fully precipitated and separated in the sedimentation tank 5. The water inlet chamber 53 is the first area for the wastewater to enter the sedimentation tank 5, so that the wastewater can flow in smoothly, avoiding the redispersion of suspended particles caused by the impact of the water flow, while the water outlet chamber 54 is located on the other side of the baffle 51, and the water outlet pipe 19 is located at the end of the water outlet chamber 54, so that the wastewater has a longer sedimentation time and is finally discharged from the water outlet pipe 19;

[0046] Furthermore, the inclined plate group 55 is fixedly connected to the baffle 51 to form an inclined filtering surface, which increases the contact area between the wastewater and the sediment. The sediment can slide down the inclined plate to the bottom of the sedimentation tank 5 more easily by gravity, thereby improving the sedimentation efficiency.

[0047] In addition, a filter plate 56 is plugged into the outlet pipe 19. When wastewater flows out of the outlet cavity 54, it needs to be filtered by the filter plate 56 before it can be finally discharged from the sedimentation tank 5, further ensuring that the outlet water quality meets the discharge standard.

[0048] Specifically, a bearing 14 is provided on the coagulation tank 1, a support ring 13 is provided on the bearing 14, a support rod 39 is fixedly connected to the outer side of the first connecting shaft 32, a scraper 38 is fixedly connected to the support rod 39, the scraper 38 contacts the inner wall of the coagulation tank 1, one end of the scraper 38 is fixedly connected to the support ring 13, and the other end of the scraper 38 is fixedly connected to the support rod 39.

[0049] Furthermore, a bearing 14 is installed at the upper end of the coagulation tank 1 to stably support the ring 13, so that when the first connecting shaft 32 drives the scraper 38 to rotate through the support rod 39, the support ring 13 can ensure the stable operation of the scraper 38.

[0050] Furthermore, the scraper 38 fits tightly against the inner wall of the coagulation tank 1. When the first connecting shaft 32 rotates, the scraper 38 moves accordingly and scrapes along the inner wall of the coagulation tank 1, thereby removing sludge and residues on the inner wall of the coagulation tank 1 and preventing sludge accumulation and secondary pollution.

[0051] Specifically, a mud storage chamber 41 is formed at the bottom of the flocculation tank 4, a spiral impeller 47 is fixedly connected to the second connecting shaft 43, one end of the connecting pipe 15 is connected to the mud storage chamber 41, and the other end of the connecting pipe 15 is connected to the mud discharge pipe 16, and mud discharge valves 18 are provided on the connecting pipe 15 and the mud discharge pipe 16. The detection end of the mud level meter 17 is located at the bottom of the sedimentation tank 5; the mud scraper assembly 6 includes a third motor 61, a third connecting shaft 62 is fixedly connected to the output end of the third motor 61, the third connecting shaft 62 passes through the avoidance hole 52, a support rod 64 is provided on the third connecting shaft 62, a steel wire 63 is provided between the support rod 64 and the third connecting shaft 62, and a mud scraper plate 65 is provided at the lower end of the support rod 64.

[0052] Furthermore, when the third motor 61 is started, the third connecting shaft 62 will rotate accordingly, and the third connecting shaft 62 passes through the avoidance hole 52 of the sedimentation tank 5, which not only ensures the stable operation of the mud scraping assembly 6, but also avoids interference with other parts of the sedimentation tank 5. By arranging the steel wire 63 and the support rod 64, the support rod 64 can stably drive the mud scraping blade 65 to operate when the connecting shaft rotates;

[0053] Furthermore, the scraper blade 65 fits tightly to the bottom of the sedimentation tank 5. When the support rod 64 drives the scraper blade 65 to move, the scraper blade 65 will scrape along the inner wall of the sedimentation tank 5, scrape off the accumulated sludge and push it to the sludge discharge port. The function of the spiral impeller 47 is similar to that of the scraper blade 65. Through stirring and rotation, the sludge at the bottom of the equipment is gathered to the center of the bottom of the tank and accumulated in the connecting pipe 15 or the sludge discharge pipe 16. When the mud level meter 17 detects that the sludge amount exceeds the threshold, the sludge discharge valve 18 on the connecting pipe 15 and the sludge discharge pipe 16 is opened, and the sludge is discharged from the equipment through the wastewater discharge, thereby timely cleaning the sludge flocculated and precipitated in the wastewater, avoiding sludge accumulation and secondary pollution, and reducing the cost of wastewater treatment.

[0054] 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 a ready-mixed concrete mixing station, comprising a coagulation tank (1), a flocculation tank (4) and a sedimentation tank (5), characterized in that: The coagulation tank (1), the flocculation tank (4) and the sedimentation tank (5) are connected in sequence; a medicine box (11) is fixedly connected to the outside of the coagulation tank (1); a medicine dosing assembly (2) is arranged on the medicine box (11); a support frame (12) is fixedly connected to the coagulation tank (1); a coagulation assembly (3) is arranged on the support frame (12); the medicine dosing assembly (2) and the coagulation assembly (3) are connected by a pipeline; a connecting pipe (15) is arranged at the lower end of the flocculation tank (4); a mud discharge pipe (16) is arranged at the lower end of the sedimentation tank (5); a mud level meter (17) is fixedly installed on the outside of the sedimentation tank (5); a water outlet pipe (19) is arranged on the outside of the sedimentation tank (5); and a mud scraping assembly (6) is arranged on the sedimentation tank (5).

2. A ready-mixed concrete mixing station wastewater treatment device according to claim 1, characterized in that: The drug administration assembly (2) comprises a connecting plate (21), the connecting plate (21) being fixedly connected to a drug administration box, a cylinder (22) being fixedly mounted on the connecting plate (21), a quantitative tube (23) being fixedly connected to the connecting plate (21), a drug inlet tube (24) being arranged on the quantitative tube (23), the drug inlet tube (24) being fixedly connected to the drug administration box, and an output tube (25) being fixedly connected to the quantitative tube (23).

3. A ready-mixed concrete mixing station wastewater treatment device according to claim 2, characterized in that: The output end of the cylinder (22) is slidably connected to the quantitative tube (23), a rubber plug (26) is fixedly connected to the output end of the cylinder (22), the rubber plug (26) is slidably connected to the quantitative tube (23), and both the medicine inlet tube (24) and the output tube (25) are provided with a one-way valve (27).

4. A ready-mixed concrete mixing station wastewater treatment device according to claim 1, characterized in that: The coagulation component (3) comprises a first motor (31), a first connecting shaft (32) is fixedly connected to the output shaft of the first motor (31), a fan blade (33) is fixedly connected to the first connecting shaft (32), a first drug delivery tube (34) is rotatably connected to the support frame (12), a second drug delivery tube (35) is rotatably connected to the support frame (12), the first drug delivery tube (34) and the second drug delivery tube (35) are both provided with drug delivery tubes (36), the drug delivery tubes (36) are distributed in a circumferential manner, the first drug delivery tube (34) and the second drug delivery tube (35) are both rotatably connected to a sealing ring (37), the sealing ring (37) is fixedly connected to the output tube (25), the first connecting shaft (32) and the first drug delivery tube (34) are gear-engaged, and the first connecting shaft (32) and the second drug delivery tube (35) are gear-engaged.

5. A ready-mixed concrete mixing station wastewater treatment device according to claim 4, characterized in that: A bearing (14) is provided on the coagulation tank (1), a support ring (13) is provided on the bearing (14), a support rod (39) is fixedly connected to the outer side of the first connecting shaft (32), a scraper (38) is fixedly connected to the support rod (39), the scraper (38) is in contact with the inner wall of the coagulation tank (1), one end of the scraper (38) is fixedly connected to the support ring (13), and the other end of the scraper (38) is fixedly connected to the support rod (39).

6. A ready-mixed concrete mixing station wastewater treatment device according to claim 1, characterized in that: A mud storage chamber (41) is formed at the bottom of the flocculation tank (4), one end of the connecting pipe (15) is connected to the mud storage chamber (41), and the other end of the connecting pipe (15) is connected to a mud discharge pipe (16). Mud discharge valves (18) are provided on both the connecting pipe (15) and the mud discharge pipe (16), and a detection end of the mud level meter (17) is located at the bottom of the sedimentation tank (5).

7. The wastewater treatment device for a ready-mixed concrete mixing station according to claim 1, characterized in that: A second motor (42) is fixedly mounted on the flocculation tank (4); a second connecting shaft (43) is fixedly connected to the output end of the second motor (42); a stirring impeller (44) is fixedly connected to the outer side of the second connecting shaft (43); a spiral impeller (47) is fixedly connected to the second connecting shaft (43); and the spiral impeller (47) is located in the mud storage chamber (41).

8. A ready-mixed concrete mixing station wastewater treatment device according to claim 7, characterized in that: The stirring impeller (44) is provided with an air hole (45), and both ends of the stirring impeller (44) are provided with folding blades (46), and the number of the folding blades (46) is multiple and distributed in a circular pattern.

9. The wastewater treatment device for a ready-mixed concrete mixing station according to claim 1, characterized in that: A baffle (51) is fixedly connected to the interior of the sedimentation tank (5), and an avoidance hole (52) is provided on the baffle (51). A water inlet chamber (53) and a water outlet chamber (54) are formed between the baffle (51) and the sedimentation tank (5). An inclined plate group (55) is provided in the water outlet chamber (54), and the inclined plate group (55) is fixedly connected to the baffle (51). A filter plate (56) is plugged into the water outlet pipe (19).

10. The wastewater treatment device for a ready-mixed concrete mixing station according to claim 1, characterized in that: The mud scraping assembly (6) comprises a third motor (61), a third connecting shaft (62) being fixedly connected to the output end of the third motor (61), the third connecting shaft (62) passing through the avoidance hole (52), a support rod (64) being arranged on the third connecting shaft (62), a steel wire (63) being arranged between the support rod (64) and the third connecting shaft (62), and a mud scraping plate (65) being arranged at the lower end of the support rod (64).

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