Wastewater treatment system for mixing station

Abstract

The utility model discloses a mixing station wastewater treatment system which comprises a first-stage sedimentation tank, a second-stage sedimentation tank, a third-stage reaction tank, a fourth-stage fiber filter tank and a fifth-stage clean water tank which are sequentially arranged from left to right, a T-shaped dismounting seat is welded on the surface of the top end of a lower supporting strip, and a T-shaped dismounting groove for the T-shaped dismounting seat to slide in is formed in the surface of a top supporting plate in a penetrating manner. A limiting structure is further arranged at the top end of the lower supporting strip. According to the utility model, a mixing station wastewater treatment system in the prior art is improved and optimized, and structures such as the T-shaped dismounting seat, the T-shaped dismounting groove and the limiting structure are designed between the lower supporting strip and the top supporting plate, so that an operator can directly transversely move and split the lower supporting strip and the top supporting plate without entering the inner side of a four-stage fiber filter tank subsequently, and the operation is convenient. And then the lower supporting strip and the hanging plate main body are taken out from the four-stage fiber filter tank, so that the hanging plate main body can be overhauled, dismounted and mounted in an open external environment, and the dismounting and mounting mode of the hanging plate main body is rapid and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment, and in particular relates to a wastewater treatment system for a mixing station. Background Art

[0002] The wastewater from the mixing station has the characteristics of high alkalinity, high suspended matter and high sediment. The wastewater treatment system of the mixing station can realize real-time monitoring and automatic adjustment of various parameters of the wastewater through computers, automatic instruments and controllers. This system can improve the efficiency of wastewater treatment, reduce operating costs, and reduce the error rate of manual operation. At the same time, it also ensures the stability of wastewater treatment. The system consists of hardware and software. The hardware includes five-stage sedimentation tanks, sludge pumps, filter presses, dosing devices, filter cloth turntables, water quality online monitoring modules, various sensors, etc. The software includes data processing and feedback systems. Water quality monitoring modules and various sensors are installed in sedimentation tanks at all levels, and then the monitored data is transmitted to the processor in real time. After the data is analyzed and processed, the instructions are output to the dosing system, thereby realizing intelligent control of the dosing amount and stirring rate, so that the final effluent meets the standards. The system also has the functions of sedimentation monitoring in the sedimentation tank, drug dosage monitoring, etc., to achieve dredging reminders and dosing reminders;

[0003] However, in actual use of this wastewater treatment system of the mixing station, each turntable of the fiber turntable in the four-stage pool is designed with a scraper on one side for subsequent mud scraping, but the scraper is mostly fixed directly to the inner side of the four-stage pool with a support rod. Every time the scraper is inspected and replaced, maintenance personnel are required to enter the pool for disassembly and assembly operations. On the one hand, the operating space for disassembly and assembly in the pool is narrow, and on the other hand, there is a certain degree of difficulty in disassembly and assembly in the filtrate in the pool. For this reason, the utility model needs to improve and optimize the wastewater treatment system of the mixing station. Utility Model Content

[0004] The purpose of the utility model is to provide a wastewater treatment system for a mixing station to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wastewater treatment system of a mixing station, comprising a primary sedimentation tank, a secondary sedimentation tank, a tertiary reaction tank, a fourth fiber filter tank and a fifth clean water tank which are arranged in sequence from left to right, and also comprising a sewage main pipe and a filter press, wherein the sewage main pipe is arranged at the bottom of the primary sedimentation tank, the secondary sedimentation tank, the tertiary reaction tank and the fourth fiber filter tank, and is connected with the mud collecting tanks at the bottom of the primary sedimentation tank, the secondary sedimentation tank, the tertiary reaction tank and the fourth fiber filter tank through a sewage branch pipe, the sewage main pipe is also connected to the filter press through a mud pump, a fiber turntable is installed in the fourth fiber filter tank, a top support plate is fixed above the fourth fiber filter tank, a plurality of lower support bars are installed at the bottom of the top support plate, and a hanging plate body is installed on the right surface of the lower support bar, The top end of the lower support bar is provided with a T-shaped disassembly seat, and the surface of the top support bar is penetrated by a T-shaped disassembly slot for the T-shaped disassembly seat to slide into. The top end of the lower support bar is also provided with a limiting structure, and the limiting structure includes a movable sleeve arranged on the surface of the lower support bar, and the top surface of the movable sleeve has two limiting blocks symmetrically fixed on the top surface of the movable sleeve. The bottom surface of the top support plate is provided with limiting slots corresponding to the limiting blocks on both sides of the T-shaped disassembly slot, and the limiting blocks are inserted into the limiting slots. The limiting structure also includes a spring, an inner slide groove and an inner sliding block, and the inner slide groove is opened on the surface of the lower support bar, and the inner sliding block is movably installed in the inner slide groove by a spring, and the two ends of the inner sliding block respectively penetrate to the two sides of the lower support bar and are fixed to the movable sleeve.

[0006] Preferably, a circular top groove is formed on the bottom surface of the inner sliding block, and the top end of the spring is inserted into the circular top groove; a circular bottom groove is formed on the inner wall of the bottom end of the inner sliding groove, and the bottom end of the spring is inserted into the circular bottom groove.

[0007] Preferably, two screws are fixed on the left side surface of the hanging plate body, and a strip-shaped disassembly opening corresponding to the screw is opened at the bottom end of the lower support bar, and the bottom end of the strip-shaped disassembly opening is communicated with the bottom surface of the lower support bar. The left end of the screw passes through the strip-shaped disassembly opening to the left side of the lower support bar, and a nut is sleeved on the left end surface of the screw.

[0008] Preferably, a water inlet is provided on the left surface of the first-stage sedimentation tank, and a clean water outlet is provided on the right surface of the fifth-stage clean water tank.

[0009] Preferably, an inclined tube is provided in the secondary sedimentation tank, and a stirring structure is provided in the tertiary reaction tank. The stirring structure consists of a motor installed on the outer surface of the tertiary reaction tank, a stirring shaft installed on the inner side of the tertiary reaction tank, and stirring blades on the surface of the stirring shaft. It also includes a drug-dosing main pipe, which is arranged above the secondary sedimentation tank and the tertiary reaction tank, and two drug-dosing branches are installed on the drug-dosing main pipe, and the two drug-dosing branches are respectively inserted into the inner side of the secondary sedimentation tank and the tertiary reaction tank.

[0010] Preferably, a water level sensor is also provided in the first-stage sedimentation tank, a turbidity sensor and a pH sensor are provided in the second-stage sedimentation tank, a pH sensor is provided in the third-stage reaction tank, a turbidity sensor is provided in the fourth-stage fiber filter tank, and a turbidity sensor and a pH sensor are provided in the fifth-stage clear water tank.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model improves and optimizes the mixing station wastewater treatment system in the prior art, and designs a T-shaped disassembly and assembly seat, a T-shaped disassembly and assembly groove, a limit structure and other structures between the lower support bar and the top support plate, so that the operator does not need to enter the inner side of the four-stage fiber filter tank later, and can directly move the lower support bar and the top support plate horizontally and split them, and then take out the lower support bar and the hanging plate body from the four-stage fiber filter tank to inspect and disassemble the hanging plate body in an open external environment, and the disassembly and assembly method of the hanging plate body is fast and convenient, which effectively improves the convenience of maintenance and use of the entire mixing station wastewater treatment system in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional view of the utility model;

[0013] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle A area;

[0014] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle B area;

[0015] Figure 4 For this utility model Figure 2 A partial enlarged view of the middle C area;

[0016] In the figure: 1. primary sedimentation tank; 11. water inlet; 2. secondary sedimentation tank; 21. inclined pipe; 3. tertiary reaction tank; 31. stirring structure; 4. fourth-stage fiber filter; 41. fiber turntable; 42. top support plate; 421. T-shaped disassembly and assembly groove; 43. lower support bar; 431. strip disassembly and assembly port; 44. hanging plate body; 441. screw rod; 442. nut; 45. T-shaped disassembly and assembly seat; 46. limiting structure; 461. movable sleeve; 462. limiting block; 463. limiting slot; 464. inner slide; 465. spring; 466. inner slide; 5. fifth-stage clean water tank; 51. clean water outlet; 6. filter press; 7. sewage main pipe; 71. sewage branch pipe; 8. mud pump; 9. dosing main pipe; 91. dosing branch pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example 1

[0019] See also Figures 1 to 3, which is the first embodiment of the utility model, and the embodiment provides a technical solution: a wastewater treatment system of a mixing station, comprising a primary sedimentation tank 1, a secondary sedimentation tank 2, a tertiary reaction tank 3, a fourth fiber filter 4 and a fifth clean water tank 5 arranged in sequence from left to right, and also comprising a sewage main pipe 7 and a filter press 6. The sewage main pipe 7 is arranged at the bottom of the primary sedimentation tank 1, the secondary sedimentation tank 2, the tertiary reaction tank 3 and the fourth fiber filter 4, and is connected to the mud collecting tank at the bottom of the primary sedimentation tank 1, the secondary sedimentation tank 2, the tertiary reaction tank 3 and the fourth fiber filter 4 through a sewage branch pipe 71. The sewage main pipe 7 is also connected to the filter press 6 through a mud pump 8. A fiber turntable 41 is installed in the fourth fiber filter 4, and a top support plate 42 is fixed above the fourth fiber filter 4. A plurality of lower support bars 43 are installed at the bottom of the plate 42, and a hanging plate body 44 is installed on the right side surface of the lower support bar 43, and the hanging plate body 44 is in contact with the fiber turntable 41. When the fiber turntable 41 rotates in the later stage, the hanging plate body 44 can scrape the sludge on the surface of the fiber turntable 41, and a T-shaped disassembly seat 45 is welded on the top surface of the lower support bar 43. A T-shaped disassembly groove 421 for the T-shaped disassembly seat 45 to slide into is provided on the surface of the top support plate 42. A limiting structure 46 is also provided on the top of the lower support bar 43. The limiting structure 46 includes a movable sleeve 461 slidably sleeved on the surface of the lower support bar 43, and two limiting blocks 462 are symmetrically welded and fixed to the top surface of the movable sleeve 461. The bottom surface of the top support plate 42 is provided with a limit block 462 on both sides of the T-shaped disassembly groove 421. 462, the limiting card block 462 is inserted into the limiting card slot 463, which can stabilize the lower support bar 43. In the later stage, it is only necessary to press the movable sleeve 461 downward to make the limiting card block 462 move out of the limiting card slot 463, and the lower support bar 43 and the top support plate 42 can be directly disassembled by horizontal movement, so that the lower support bar 43 and the hanging plate body 44 can be taken out from the four-stage fiber filter tank 4 for inspection and disassembly. The limiting structure 46 also includes a spring 465, an inner slide groove 464 and an inner slider 466. The inner slide groove 464 is provided on the surface of the lower support bar 43, and the inner slider 466 is movably installed in the inner slide groove 464 by the spring 465. The two ends of the inner slider 466 respectively penetrate the two sides of the lower support bar 43 and are fixed to the movable sleeve 461. The limit block 462 can be stably stuck in the limit slot 463 under the action of the limit block 462, ensuring the installation stability of the lower support bar 43 and the hanging plate body 44. When the hanging plate body 44 needs to be inspected and disassembled in the future, it is only necessary to press the movable sleeve 461 downward, so that the inner sliding block 466 moves downward to compress the spring 465, so that the limit block 462 moves out of the limit slot 463, and the limit on the lower support bar 43 is released. At this time, the lower support bar 43 can be slid back and forth, so that the T-shaped disassembly seat 45 can slide out from the opening at one end of the T-shaped disassembly slot 421, and the lower support bar 43 can be separated from the top support plate 42. Then the lower support bar 43 is taken out from the four-stage fiber filter tank 4, and the inspection and disassembly of the hanging plate body 44 can be completed in an open external environment, thereby improving the convenience of later maintenance.And there is no need for operators to enter the inner side of the four-stage fiber filter tank 4 for disassembly and assembly.

[0020] Among them, a circular top groove is opened on the bottom surface of the inner sliding block 466, and the top end of the spring 465 is inserted into the circular top groove. A circular bottom groove is opened on the inner wall of the bottom end of the inner sliding groove 464, and the bottom end of the spring 465 is inserted into the circular bottom groove. The design of the two circular grooves can limit the upper and lower ends of the spring 465 to prevent the spring 465 from deviating.

[0021] Among them, a water inlet 11 is arranged on the left surface of the first-stage sedimentation tank 1 for the entry of waste water, and a clean water outlet 51 is arranged on the right surface of the fifth-stage clean water tank 5 for the discharge of clean water.

[0022] Among them, an inclined tube 21 is arranged in the secondary sedimentation tank 2 to improve the sedimentation efficiency, and a stirring structure 31 is arranged in the tertiary reaction tank 3. The stirring structure 31 is composed of a motor installed on the outer surface of the tertiary reaction tank 3, a stirring shaft installed on the inner side of the tertiary reaction tank 3, and stirring blades on the surface of the stirring shaft. The motor drives the stirring shaft and the stirring blades to rotate later to achieve stirring and mixing of the wastewater in the tertiary reaction tank 3. It also includes a dosing main pipe 9, and the dosing main pipe 9 is connected to an external dosing device. The dosing main pipe 9 is arranged above the secondary sedimentation tank 2 and the tertiary reaction tank 3, and two dosing branches 91 are installed on the dosing main pipe 9. The two dosing branches 91 are respectively inserted into the inner sides of the secondary sedimentation tank 2 and the tertiary reaction tank 3 for subsequent dosing of the secondary sedimentation tank 2 and the tertiary reaction tank 3.

[0023] Among them, a water level sensor is also provided in the first-level sedimentation tank 1, a turbidity sensor and a pH sensor are provided in the second-level sedimentation tank 2, a pH sensor is provided in the third-level reaction tank 3, a turbidity sensor is provided in the fourth-level fiber filter tank 4, and a turbidity sensor and a pH sensor are provided in the fifth-level clear water tank 5.

[0024] In summary, in actual use, the wastewater from the mixing station will enter the primary sedimentation tank 1 through the water inlet 11 to complete primary sedimentation, and the precipitated sludge will be discharged through the sewage branch pipe 71, the sewage main pipe 7 and the sludge pump 8 for filtration by the filter press 6, and then the wastewater that has undergone primary sedimentation in the primary sedimentation tank 1 will enter the secondary sedimentation tank 2 through the overflow port for secondary sedimentation, and the precipitated sludge will be discharged through the sewage branch pipe 71, the sewage main pipe 7 and the sludge pump 8 for filtration by the filter press 6, and then the wastewater after secondary sedimentation in the secondary sedimentation tank 2 will enter the tertiary reaction tank 3 through the overflow port, and undergo a drug-adding neutralization reaction. During the reaction, the stirring structure 31 will stir to increase the reaction effect, and during the neutralization reaction, the drug-adding main pipe 9 and the drug-adding branch pipe 91 will be added to make the pH of the wastewater after the reaction meet the standard, and then enter the fourth-stage fiber filter tank 4 for further filtration and treatment through the fiber turntable 41, and the filtered clean water enters the fifth-stage clean water tank 5 for external discharge or reuse according to actual conditions.

[0025] Example 2

[0026] See also Figures 1 to 4 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that the hanging plate body 44 and the lower support bar 43 can be stably fixed by the provided screw 441, nut 442 and strip disassembly opening 431, and the subsequent rapid disassembly of the hanging plate body 44 and the lower support bar 43 is convenient.

[0027] Specifically, two screws 441 are welded and fixed on the left surface of the hanging plate body 44, and a strip-shaped disassembly opening 431 corresponding to the screw 441 is opened at the bottom end of the lower support bar 43, and the bottom end of the strip-shaped disassembly opening 431 is communicated with the bottom surface of the lower support bar 43, and the left end of the screw 441 passes through the strip-shaped disassembly opening 431 to the left side of the lower support bar 43, and a nut 442 is sleeved on the left end surface of the screw 441 to achieve stable fixation of the hanging plate body 44 and the lower support bar 43. Subsequently, the hanging plate body 44 and the lower support bar 43 can be directly disassembled by simply rotating and unscrewing the nut 442.

[0028] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), 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 wastewater treatment system of a mixing station, comprising a primary sedimentation tank (1), a secondary sedimentation tank (2), a tertiary reaction tank (3), a quaternary fiber filter tank (4) and a quintuple clear water tank (5) arranged in sequence from left to right, and also comprising a sewage main pipe (7) and a filter press (6), wherein the sewage main pipe (7) is arranged at the bottom of the primary sedimentation tank (1), the secondary sedimentation tank (2), the tertiary reaction tank (3) and the quaternary fiber filter tank (4), and is connected to the mud collecting tank at the bottom of the primary sedimentation tank (1), the secondary sedimentation tank (2), the tertiary reaction tank (3) and the quaternary fiber filter tank (4) through a sewage branch pipe (71), the sewage main pipe (7) is also connected to the filter press (6) through a mud pump (8), and a fiber rotating disk (41) is installed in the quaternary fiber filter tank (4), characterized in that: A top support plate (42) is fixed above the four-stage fiber filter tank (4), a plurality of lower support bars (43) are installed at the bottom of the top support plate (42), a hanging plate body (44) is installed on the right side surface of the lower support bar (43), the hanging plate body (44) is in contact with the fiber turntable (41), a T-shaped disassembly seat (45) is welded on the top surface of the lower support bar (43), a T-shaped disassembly slot (421) for the T-shaped disassembly seat (45) to slide into is opened through the surface of the top support plate (42), and the lower support bar (43) is installed on the right side surface of the lower support bar (43). A limiting structure (46) is also provided at the top of the bar (43), and the limiting structure (46) includes a movable sleeve (461) slidably mounted on the surface of the lower support bar (43), and two limiting blocks (462) are symmetrically fixed on the top surface of the movable sleeve (461), and limiting slots (463) corresponding to the limiting blocks (462) are provided on the bottom surface of the top support plate (42) relative to both sides of the T-shaped disassembly and assembly groove (421), and the limiting blocks (462) are inserted into the limiting slots (463).

2. A wastewater treatment system for a mixing plant according to claim 1, characterized in that: The limiting structure (46) also includes a spring (465), an inner slide groove (464) and an inner slider (466), wherein the inner slide groove (464) is provided on the surface of the lower support bar (43), and the inner slider (466) is movably installed in the inner slide groove (464) by means of the spring (465), and the two ends of the inner slider (466) respectively penetrate the two sides of the lower support bar (43) and are fixed to the movable sleeve (461).

3. A wastewater treatment system for a mixing plant according to claim 2, characterized in that: A circular top groove is formed on the bottom surface of the inner sliding block (466), and the top end of the spring (465) is inserted into the circular top groove.

4. A wastewater treatment system for a mixing plant according to claim 3, characterized in that: The inner wall at the bottom end of the inner slide groove (464) is provided with a circular bottom groove, and the bottom end of the spring (465) is inserted into the circular bottom groove.

5. A wastewater treatment system for a mixing plant according to claim 1, characterized in that: Two screw rods (441) are fixed on the left side surface of the hanging plate body (44); a strip-shaped disassembly opening (431) corresponding to the screw rods (441) is provided at the bottom end of the lower support bar (43); the bottom end of the strip-shaped disassembly opening (431) is communicated with the bottom surface of the lower support bar (43); the left end of the screw rod (441) passes through the strip-shaped disassembly opening (431) to the left side of the lower support bar (43); and a nut (442) is sleeved on the left end surface of the screw rod (441).

6. A wastewater treatment system for a mixing plant according to claim 1, characterized in that: The left side surface of the primary sedimentation tank (1) is provided with a water inlet (11), and the right side surface of the fifth-stage clean water tank (5) is provided with a clean water outlet (51).

7. A wastewater treatment system for a mixing plant according to claim 1, characterized in that: The secondary sedimentation tank (2) is provided with an inclined tube (21), and the tertiary reaction tank (3) is provided with a stirring structure (31), the stirring structure (31) is composed of a motor installed on the outer surface of the tertiary reaction tank (3), a stirring shaft installed on the inner side of the tertiary reaction tank (3), and stirring blades on the surface of the stirring shaft, and also includes a drug adding main pipe (9), the drug adding main pipe (9) is arranged above the secondary sedimentation tank (2) and the tertiary reaction tank (3), and two drug adding branch pipes (91) are installed on the drug adding main pipe (9), and the two drug adding branch pipes (91) are respectively inserted into the inner side of the secondary sedimentation tank (2) and the tertiary reaction tank (3).

8. A wastewater treatment system for a mixing plant according to claim 1, characterized in that: The first-stage sedimentation tank (1) is also provided with a water level sensor, the second-stage sedimentation tank (2) is provided with a turbidity sensor and a pH sensor, the third-stage reaction tank (3) is provided with a pH sensor, the fourth-stage fiber filter tank (4) is provided with a turbidity sensor, and the fifth-stage clear water tank (5) is provided with a turbidity sensor and a pH sensor.

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