Coagulative precipitation tank structure convenient to clean

Abstract

The utility model discloses a coagulative precipitation tank structure convenient to clean. The coagulative precipitation tank structure comprises a precipitation tank body, a moving assembly, a mounting plate, a scraper I and a scraper II, a drain outlet is formed in the middle of the inner bottom surface of the sedimentation tank body, and a sealing plate is screwed on the lower surface of the sedimentation tank body relative to the drain outlet; mounting plates are vertically and symmetrically arranged in the sedimentation tank body in a rectangular shape, and the four mounting plates do horizontal transverse movement in the sedimentation tank body through moving assemblies; a scraper I is vertically arranged between each mounting plate and the corresponding front and rear inner side walls of the sedimentation tank body, and a scraper II is horizontally and longitudinally arranged between the lower surface of each front and rear adjacent mounting plate and the inner bottom surface of the sedimentation tank body; the scraper I and the scraper II are used for scraping silt on the front inner side wall, the rear inner side wall and the bottom of the sedimentation tank body. According to the sedimentation tank, silt on the peripheral side walls and the bottom of the sedimentation tank body can be scraped conveniently, time and labor are saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete sedimentation tanks, in particular to a structure of a concrete sedimentation tank that is convenient for cleaning. Background Art

[0002] A large amount of sewage is generated during the production process of concrete. The sewage contains components such as sediment, aggregate, and admixture, and needs to be recycled and treated before being discharged. Currently, the sewage is usually treated by combining chemical treatment and sedimentation. After treatment, the impurities in the sewage will form sediment and surface suspended matter.

[0003] To remove the sediment in the sewage, the sewage is usually injected into a sedimentation tank for sedimentation, so that the sediment in the sewage sinks under its own gravity. After sedimentation, the original sediment such as sediment in the sewage will accumulate at the bottom of the sedimentation tank and needs to be manually cleaned with a bucket. Moreover, sediment will also adhere to the side walls of the sedimentation tank, and the side walls of the sedimentation tank need to be cleaned. This process is labor-intensive, time-consuming and laborious, and the work efficiency is low. Therefore, the above problems need to be solved urgently. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a structure of a concrete sedimentation tank that is convenient for cleaning, which is convenient for scraping sediment on the surrounding side walls and the bottom of the sedimentation tank body and cleaning it to the sewage outlet for discharge, reducing the labor intensity of workers, saving time and effort, and improving work efficiency.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: A structure of a concrete sedimentation tank that is convenient for cleaning, the innovation of which lies in: including a sedimentation tank body, a moving component, a mounting plate, a scraper I and a scraper II; the sedimentation tank body is a horizontally transverse hollow cuboid structure, and its upper surface is open; a sewage outlet is vertically and penetratingly embedded in the middle position of the inner bottom surface of the sedimentation tank body along the longitudinal direction, and a sealing plate matching the sewage outlet is horizontally screwed on the lower surface of the sedimentation tank body relative to the sewage outlet position, and the sewage outlet is blocked by the sealing plate; mounting plates are vertically and symmetrically arranged in a rectangle in the sedimentation tank body, and the four mounting plates move horizontally and synchronously inside the sedimentation tank body through the moving component; the two front mounting plates are arranged at the front inner side wall of the sedimentation tank body, and the two rear mounting plates are arranged at the rear inner side wall of the sedimentation tank body, and a scraper I is vertically arranged between each mounting plate and the corresponding front and rear inner side walls of the sedimentation tank body, and a scraper II is horizontally and longitudinally arranged between the lower surfaces of each adjacent front and rear mounting plates and the inner bottom surface of the sedimentation tank body, and through the horizontal and transverse movement of the mounting plate, the scraper I and the scraper II scrape sediment on the front and rear inner side walls and the bottom of the sedimentation tank body respectively.

[0006] Preferably, vertical plates are provided vertically at the left and right edges of the upper surface of the sedimentation tank body, the thickness of each vertical plate is less than the wall thickness of the sedimentation tank body, and the inner side surfaces thereof are respectively arranged coplanar with the corresponding inner side walls of the sedimentation tank body; the longitudinal length of each vertical plate matches the longitudinal width of the sedimentation tank body, and the two are aligned.

[0007] Preferably, a plurality of first reinforcing plates are vertically arranged at intervals in the longitudinal direction between the lower position of the outer side surface of each vertical plate and the upper surface of the sedimentation tank, and the corresponding vertical plates are fixed and reinforced by the first reinforcing plates.

[0008] Preferably, the cross-section of the sewage outlet is an isosceles trapezoid, and the upper end thereof is a large-diameter end, thereby facilitating the guided discharge of the scraped and cleaned mud and sand.

[0009] Preferably, a sealing ring matching the sealing plate is horizontally provided between the sealing plate and the lower surface of the sedimentation tank body, and the sealing ring ensures the sealing performance of the sealing plate when it is sealed.

[0010] Preferably, the moving assembly includes a threaded rod, a guide rail, a motor and a slider; threaded rods are horizontally and laterally symmetrically arranged on the front and rear sides between the two vertical plates, and the two threaded rods are respectively arranged at the front and rear edge positions corresponding to the upper surface of the sedimentation tank body; each of the threaded rods is provided with left-right symmetrical reverse threads, and its left and right reverse threads are symmetrically arranged with respect to the sewage outlet, the left end of each of the threaded rods is rotatably connected to the corresponding position of the left vertical plate, and the right end thereof is horizontally and vertically extended out of the right vertical plate, and is respectively linked to the output end of the corresponding motor; the two motors act synchronously, and are horizontally and laterally connected to the corresponding vertical plate The outer surface is screwed and fixed at the corresponding position, and is spaced apart just above the corresponding first reinforcing plate; guide rails are horizontally spaced apart and symmetrically arranged on the upper and lower sides of each threaded rod, and each guide rail is arranged in a square area surrounded by the two vertical plates, and its left and right ends are respectively screwed and fixed to the corresponding vertical plates; sliders are respectively sleeved on the left and right reverse threads of each threaded rod, and each slider is respectively screwed to the corresponding threaded rod, and is respectively connected to the corresponding two guide rails for horizontal and transverse sliding, and then, under the drive of the motor, the slider on the same threaded rod performs horizontal and transverse synchronous reverse motion, and ensures that each two adjacent sliders in front and behind move horizontally and transversely synchronously.

[0011] Preferably, one side of each slider adjacent to the center of the sedimentation tank body extends beyond the vertical planes where the corresponding front and rear inner sidewalls of the sedimentation tank body are located. The upper end of each mounting plate is fixedly connected to the corresponding position on the lower surface of the corresponding slider and moves horizontally and transversely with the corresponding slider. The position of each mounting plate is set to ensure that the scraping ends of each scraper I are in contact with the corresponding front and rear inner sidewalls of the sedimentation tank body respectively, and the length of each scraper I matches the internal depth of the sedimentation tank body. The longitudinal width of each mounting plate matches the wall thickness of the sedimentation tank body, and its length is set to ensure that the scraping ends of the scraper II are in contact with the bottom of the sedimentation tank body respectively. The length of each scraper II matches the internal longitudinal width of the sedimentation tank body, and its fixed ends are fixedly connected to the lower surfaces of the corresponding adjacent front and rear mounting plates respectively, and are arranged to not interfere with the corresponding scraper I respectively.

[0012] Preferably, it further includes fixing plates, electric push rods, lifting plates and scrapers III. In the middle position of the inner side surface of each vertical plate, a fixing plate is horizontally and longitudinally arranged, and each fixing plate does not interfere with the horizontal and longitudinal sliding of the slider. On the upper surface of each fixing plate, electric push rods are vertically and symmetrically arranged at intervals in the front and rear directions respectively, and the actions of each adjacent front and rear pair of electric push rods are synchronized. The pushing ends of each adjacent front and rear pair of electric push rods extend vertically downward from the lower surface of the corresponding fixing plate respectively, and extend into the interior of the sedimentation tank body respectively, and are screwed and fixed to the upper surface of the corresponding horizontally and longitudinally arranged lifting plate respectively, thereby driving the corresponding lifting plate to move vertically up and down in the sedimentation tank body respectively and ensuring that it does not interfere with the horizontal and transverse movement of the mounting plate. On the side surface of each lifting plate away from the center of the sedimentation tank body, a scraper III is horizontally and longitudinally arranged. The length of each scraper III matches the internal longitudinal width of the sedimentation tank body, and its scraping ends are in contact with the corresponding left and right inner sidewalls of the sedimentation tank body respectively. Thus, under the drive of the electric push rod, the left and right inner sidewalls of the sedimentation tank body are scraped for sediment by the scraper III.

[0013] Preferably, the upper limit position of each scraper III is set to ensure that it can avoid upward interference with the horizontal and transverse scraping action of the scraper I, and its lower limit position is set to ensure that the scraper III performs comprehensive sediment scraping on the corresponding left and right inner sidewalls of the sedimentation tank body. Between the upper surface of each fixing plate and the inner side surface of the corresponding vertical plate, several second reinforcing plates are vertically arranged at intervals along the longitudinal direction. Each second reinforcing plate is arranged at an interval from the corresponding electric push rod, and the corresponding fixing plate is fixed and strengthened by the second reinforcing plate.

[0014] Advantages of the present utility model: The present utility model facilitates scraping the sediment on the peripheral side walls and the bottom of the sedimentation tank body, cleaning it to the sewage outlet for discharge, reducing the labor intensity of workers, saving time and effort, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic structural view of a coagulation sedimentation tank structure convenient for cleaning according to the present utility model.

[0017] Figure 2 is Figure 1 the A-A view in

[0018] Among them, 1 - sedimentation tank body; 2 - sewage outlet; 3 - sealing plate; 4 - vertical plate; 5 - first reinforcing plate; 6 - threaded rod; 7 - guide rail; 8 - motor; 9 - slider; 10 - mounting plate; 11 - scraper I; 12 - scraper II; 13 - fixing plate; 14 - electric push rod; 15 - second reinforcing plate; 16 - lifting plate; 17 - scraper III. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will clearly and completely describe the technical solutions of the present utility model through specific embodiments.

[0020] A coagulation sedimentation tank structure convenient for cleaning according to the present utility model includes a sedimentation tank body 1, a moving assembly, a mounting plate 10, a scraper I 11 and a scraper II 12; the specific structure is as Figure 1 、 Figure 2 shown. The sedimentation tank body 1 is a horizontally transverse hollow cuboid structure, and its upper surface is open; a sewage outlet 2 is vertically and penetratingly embedded and opened in the middle position of the inner bottom surface of the sedimentation tank body 1 along the longitudinal direction, and a sealing plate 3 matching the sewage outlet 2 is horizontally screwed on the lower surface thereof relative to the position of the sewage outlet 2, and the sewage outlet 2 is blocked by the sealing plate 3; among them, the cross-section of the sewage outlet 2 is an isosceles trapezoid, and its upper end is the large-diameter end, so as to facilitate the guiding and discharging of the scraped and cleaned sediment.

[0021] As Figure 1 、 Figure 2 shown, a sealing ring matching it is also horizontally provided between the sealing plate 3 and the lower surface of the sedimentation tank body 1, and the sealing performance of the sealing plate 3 during blocking is ensured through the sealing ring.

[0022] On the upper surface of the sedimentation tank body 1 of the present utility model, vertical longitudinal plates 4 are also provided on the left and right side edges, as Figure 1 , Figure 2 shown. The thickness of each vertical plate 4 is less than the wall thickness of the sedimentation tank body 1, and its inner side surfaces are respectively arranged coplanarly with the corresponding inner side walls of the sedimentation tank body 1 up and down; the longitudinal length of each vertical plate 4 matches the longitudinal width of the sedimentation tank body 1, and the two are aligned; at the lower position on the outer side surface of each vertical plate 4 and the upper surface of the sedimentation tank, several first reinforcing plates 5 are vertically arranged at intervals along the longitudinal direction, and the corresponding vertical plates 4 are respectively fixed and strengthened by the first reinforcing plates 5.

[0023] In the sedimentation tank body 1 of the present utility model, installation plates 10 are also vertically and symmetrically arranged in a rectangular shape, and the four installation plates 10 move horizontally and synchronously inside the sedimentation tank body 1 through a moving component; as Figure 1 , Figure 2 shown. The two front installation plates 10 are arranged at the front inner side wall of the sedimentation tank body 1, and the two rear installation plates 10 are arranged at the rear inner side wall of the sedimentation tank body 1. A scraping shovel I 11 is also vertically arranged between each installation plate 10 and the corresponding front and rear inner side walls of the sedimentation tank body 1. A scraping shovel II 12 is also horizontally and longitudinally arranged between the lower surfaces of each adjacent front and rear installation plates 10 and the inner bottom surface of the sedimentation tank body 1. Through the horizontal and transverse movement of the installation plates 10, the scraping shovel I 11 and the scraping shovel II 12 respectively scrape the sediment on the front and rear inner side walls and the bottom of the sedimentation tank body 1.

[0024] Among them, the moving component includes a threaded rod 6, a guide rail 7, a motor 8 and a slider 9; as Figure 1 , Figure 2As shown in the figure, horizontal and transverse threaded rods 6 are symmetrically arranged on the front and rear sides between the two vertical plates 4, and the two threaded rods 6 are respectively arranged at the corresponding front and rear edge positions relative to the upper surface of the sedimentation tank body 1; each threaded rod 6 is provided with left and right symmetric reverse threads, and the left and right reverse threads are symmetrically arranged relative to the sewage outlet 2. The left end of each threaded rod 6 is rotationally connected to the corresponding position of the left vertical plate 4, and the right end thereof horizontally and perpendicularly extends out of the right vertical plate 4 and is respectively linked to the output end of the corresponding motor 8; the actions of the two motors 8 are synchronized, and they are horizontally and transversely screwed and fixed to the corresponding outer side surfaces of the vertical plates 4 and are arranged at intervals directly above the corresponding first reinforcing plates 5; horizontal guide rails 7 are symmetrically arranged at intervals above and below each threaded rod 6. Each guide rail 7 is arranged within the square area surrounded by the two vertical plates 4, and its left and right ends are respectively screwed and fixed to the corresponding vertical plates 4; sliders 9 are respectively sleeved on the left and right reverse threads of each threaded rod 6. Each slider 9 is screwed to the corresponding threaded rod 6 and is horizontally and transversely slidably connected to the corresponding two guide rails 7. Thus, under the drive of the motor 8, the sliders 9 on the same threaded rod 6 perform horizontal and transverse synchronous reverse movements, and it is ensured that every two adjacent front and rear sliders 9 perform horizontal and transverse synchronous movements.

[0025] As Figure 1 , Figure 2 shown in the figure, one side surface of each slider 9 close to the center of the sedimentation tank body 1 extends out of the vertical plane where the corresponding front and rear inner side walls of the sedimentation tank body 1 are located, and the upper end of each mounting plate 10 is fixedly connected to the corresponding position of the lower surface of the corresponding slider 9 and moves horizontally and transversely with the corresponding slider 9; the installation position of each mounting plate 10 needs to ensure that the scraping ends of each scraper I 11 are respectively in contact with the corresponding front and rear inner side walls of the sedimentation tank body 1, and the length of each scraper I 11 matches the internal depth of the sedimentation tank body 1; the longitudinal width of each mounting plate 10 matches the wall thickness of the sedimentation tank body 1, and its length needs to ensure that the scraping ends of the scraper II 12 are respectively in contact with the bottom of the sedimentation tank body 1; the length of each scraper II 12 matches the internal longitudinal width of the sedimentation tank body 1, and its fixed ends are respectively fixedly connected to the lower surfaces of the corresponding two adjacent front and rear mounting plates 10 and are ensured to be non-interfering with the corresponding scrapers I 11.

[0026] In the present utility model, a fixing plate 13 is horizontally and longitudinally arranged at the middle position of the inner side surface of each vertical plate 4, and each fixing plate 13 does not interfere with the horizontal and longitudinal sliding of the slider 9; as Figure 1 , Figure 2As shown in the figure, on the upper surface of each fixed plate 13, electric push rods 14 are vertically symmetrically arranged at intervals before and after. The actions of every two adjacent electric push rods 14 before and after are synchronous. The pushing ends of every two adjacent electric push rods 14 before and after respectively extend vertically downward from the lower surface of the corresponding fixed plate 13, and extend into the inside of the sedimentation tank body 1 respectively, and are respectively screwed and fixed to the upper surface of the corresponding lifting plate 16 arranged horizontally and longitudinally, thereby driving the corresponding lifting plate 16 to move vertically up and down in the sedimentation tank body 1 respectively, and ensuring that it does not interfere with the horizontal and transverse movement of the mounting plate 10; on one side surface of each lifting plate 16 away from the center of the sedimentation tank body 1, a scraping shovel III 17 is arranged horizontally and longitudinally. The length of each scraping shovel III 17 matches the internal longitudinal width of the sedimentation tank body 1, and its scraping ends are respectively in contact with the corresponding left and right inner side walls of the sedimentation tank body 1. Thus, under the drive of the electric push rod 14, the left and right inner side walls of the sedimentation tank body 1 are scraped for sediment by the scraping shovel III 17.

[0027] As Figure 1 , Figure 2 shown in the figure, the upper limit position of each scraping shovel III 17 needs to ensure that it can avoid upward interference with the horizontal and transverse scraping action of the scraping shovel I 11, and its lower limit position needs to ensure that the scraping shovel III 17 performs all-round sediment scraping on the corresponding left and right inner side walls of the sedimentation tank body 1; between the upper surface of each fixed plate 13 and the inner side surface of the corresponding vertical plate 4, several second reinforcing plates 15 are vertically arranged at intervals longitudinally. Each second reinforcing plate 15 is arranged at an interval from the corresponding electric push rod 14, and the corresponding fixed plate 13 is fixed and strengthened by the second reinforcing plate 15.

[0028] The working principle of the present utility model: When cleaning is required, first remove the sealing plate 3, and under the forward drive of the motor 8, the four mounting plates 10 move horizontally and transversely and away from the left and right inner side walls of the sedimentation tank body 1; then under the drive of the electric push rod 14, the scraping shovel III 17 descends and scrapes the sediment on the left and right inner side walls of the sedimentation tank body 1; then the scraping shovel III 17 rises with the lifting plate 16 to the upper limit position, and then under the reverse drive of the motor 8, the two mounting plates 10 on the same side respectively move horizontally and transversely to the positions close to the corresponding left and right inner side walls of the sedimentation tank body 1, and then under the forward drive of the motor 8, the scraping shovels I 11 and II 12 move horizontally and transversely in the direction of the center of the sedimentation tank body 1 with the mounting plate 10, and during this process, the front and rear inner side walls and the bottom of the sedimentation tank body 1 are scraped for sediment respectively and pushed to the sewage outlet 2 for discharge.

[0029] The beneficial effects of the present utility model: The present utility model is convenient for scraping the sediment on the peripheral side walls and the bottom of the sedimentation tank body 1, cleaning it to the sewage outlet 2 for discharge, reducing the labor intensity of workers, saving time and effort, and improving work efficiency.

[0030] The above-described embodiments are only described as the preferred embodiments of the present utility model, and do not limit the concept and scope of the present utility model. Without departing from the design concept of the present utility model, various modifications and improvements made by ordinary engineering and technical personnel in the field to the technical solutions of the present utility model should fall within the protection scope of the present utility model. The technical content for which the present utility model requests protection has been fully recorded in the claims.

Claims

1. A coagulation sedimentation tank structure that is convenient for cleaning, characterized in that: It includes a sedimentation tank body, a moving component, a mounting plate, a scraper I and a scraper II; the sedimentation tank body is a horizontally transverse hollow cuboid structure with an open upper surface; a sewage outlet is vertically and penetratingly embedded in the middle position of the inner bottom surface of the sedimentation tank body along the longitudinal direction, and a sealing plate matching the sewage outlet is horizontally screwed at the position of the lower surface of the sedimentation tank body corresponding to the sewage outlet, and the sewage outlet is blocked by the sealing plate; mounting plates are vertically and symmetrically arranged in a rectangle in the sedimentation tank body, and the four mounting plates move horizontally and synchronously inside the sedimentation tank body through the moving component; the two front mounting plates are arranged at the front inner side wall of the sedimentation tank body, and the two rear mounting plates are arranged at the rear inner side wall of the sedimentation tank body, and a scraper I is vertically arranged between each mounting plate and the corresponding front and rear inner side walls of the sedimentation tank body, and a scraper II is horizontally and longitudinally arranged between the lower surfaces of every two adjacent front and rear mounting plates and the inner bottom surface of the sedimentation tank body, and through the horizontal and transverse movement of the mounting plate, the scraper I and the scraper II respectively scrape the sediment on the front and rear inner side walls and the bottom of the sedimentation tank body.

2. The structure of a coagulation sedimentation tank that is easy to clean according to claim 1, wherein: Vertical plates are vertically and longitudinally arranged at the left and right side edges of the upper surface of the sedimentation tank body. The thickness of each vertical plate is less than the wall thickness of the sedimentation tank body, and its inner side surface is coplanar with the corresponding inner side wall of the sedimentation tank body up and down; the longitudinal length of each vertical plate matches the longitudinal width of the sedimentation tank body and they are aligned.

3. The structure of a coagulation sedimentation tank that is convenient for cleaning according to claim 2, wherein: A plurality of first reinforcing plates are vertically arranged at intervals along the longitudinal direction between the lower position of the outer side surface of each vertical plate and the upper surface of the sedimentation tank, and the corresponding vertical plates are fixed and strengthened by the first reinforcing plates respectively.

4. A structure of a coagulation sedimentation tank facilitating cleaning according to claim 1, characterized in that: The cross section of the sewage outlet is an isosceles trapezoid, and its upper end is the large-diameter end, which is convenient for guiding and discharging the scraped and cleaned sediment.

5. The structure of a coagulation sedimentation tank that is convenient for cleaning according to claim 4, wherein: A sealing ring matching the sealing plate is horizontally arranged between the sealing plate and the lower surface of the sedimentation tank body, and the sealing performance of the sealing plate during blocking is ensured by the sealing ring.

6. The structure of a coagulation sedimentation tank that is convenient for cleaning according to claim 3, wherein: The moving component includes a threaded rod, a guide rail, a motor and a slider; horizontally and symmetrically in the front and rear sides between the two vertical plates, there are also threaded rods, and the two threaded rods are respectively arranged at the corresponding front and rear edge positions relative to the upper surface of the sedimentation tank body; on each of the threaded rods, there are left and right symmetric reverse threads, and the left and right reverse threads are symmetrically arranged relative to the sewage outlet left and right. The left end of each threaded rod is rotatably connected to the corresponding position of the left vertical plate, and its right end horizontally and vertically extends out of the right vertical plate and is respectively linked to the output end of the corresponding motor; the actions of the two motors are synchronized, and they are both horizontally and laterally screwed and fixed to the corresponding outer side surface of the vertical plate and are spaced above the corresponding first reinforcing plate; horizontally and at intervals and in parallel and symmetrically above and below each of the threaded rods, there are guide rails. Each guide rail is arranged within the square area enclosed by the two vertical plates, and its left and right ends are respectively screwed and fixed to the corresponding vertical plates; on the left and right reverse threads of each threaded rod, there are also respectively sleeved with sliders. Each slider is respectively screwed to the corresponding threaded rod and is respectively horizontally and laterally slidably connected to the corresponding two guide rails. Thus, under the drive of the motor, the sliders on the same threaded rod move horizontally and synchronously in the reverse direction, and it is ensured that every two adjacent sliders in the front and rear move horizontally and synchronously.

7. The structure of a coagulation sedimentation tank that is convenient for cleaning according to claim 6, characterized in that: On one side of each slider close to the center of the sedimentation tank body, it extends out of the vertical plane where the corresponding front and rear inner side walls of the sedimentation tank body are located. And the upper end of each mounting plate is fixedly connected to the corresponding position of the lower surface of the corresponding slider and moves horizontally and laterally with the corresponding slider; the installation position of each mounting plate needs to ensure that the scraping ends of each scraper I are respectively in contact with the corresponding front and rear inner side walls of the sedimentation tank body, and the length of each scraper I matches the internal depth of the sedimentation tank body; the longitudinal width of each mounting plate matches the wall thickness of the sedimentation tank body, and its length needs to ensure that the scraping ends of the scraper II are respectively in contact with the bottom of the sedimentation tank body; the length of each scraper II matches the internal longitudinal width of the sedimentation tank body, and its fixed ends are respectively fixedly connected to the lower surfaces of the corresponding two adjacent front and rear mounting plates and are ensured to be non-interfering with the corresponding scraper I.

8. A structure of a coagulation sedimentation tank facilitating cleaning according to claim 7, characterized in that: It further includes fixed plates, electric push rods, lifting plates and scraping shovels III; in the middle position of the inner side surface of each of the vertical plates, fixed plates are horizontally and longitudinally arranged, and each of the fixed plates does not interfere with the horizontal and longitudinal sliding of the sliders; on the upper surface of each of the fixed plates, electric push rods are vertically and symmetrically arranged at intervals before and after, and the actions of every two adjacent electric push rods before and after are synchronized. The pushing ends of every two adjacent electric push rods before and after vertically extend downward from the lower surface of the corresponding fixed plate, and extend into the interior of the sedimentation tank body respectively, and are respectively screwed and fixed to the upper surface of the corresponding horizontally and longitudinally arranged lifting plate, so as to drive the corresponding lifting plate to move vertically up and down in the sedimentation tank body respectively, and ensure that it does not interfere with the horizontal and transverse movement of the mounting plate; on the side surface of each of the lifting plates away from the center of the sedimentation tank body, scraping shovels III are horizontally and longitudinally arranged. The length of each of the scraping shovels III matches the internal longitudinal width of the sedimentation tank body, and their scraping ends are respectively in contact with the corresponding left and right inner side walls of the sedimentation tank body. Thus, under the drive of the electric push rods, the left and right inner side walls of the sedimentation tank body are scraped for sediment by the scraping shovels III.

9. The structure of a coagulation sedimentation tank that is convenient for cleaning according to claim 8, wherein: The upper limit position of each of the scraping shovels III needs to ensure that it can avoid upward interference with the horizontal and transverse scraping action of the scraping shovel I, and its lower limit position needs to ensure that the scraping shovels III scrape the corresponding left and right inner side walls of the sedimentation tank body for all-round sediment; between the upper surface of each of the fixed plates and the inner side surface of the corresponding vertical plate, several second reinforcing plates are vertically arranged at intervals along the longitudinal direction in sequence, and each of the second reinforcing plates is arranged at an interval from the corresponding electric push rod, and the corresponding fixed plate is fixed and strengthened by the second reinforcing plate.

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