A water treatment sedimentation equipment

Abstract

The utility model relates to the technical field of water treatment sedimentation, specifically a water treatment sedimentation device, comprising a support bracket; a mixing barrel, a sedimentation component, and an impurity collecting component are respectively installed in the bracket through fixing parts, and the other end of the water inlet pipe is evenly distributed with dispersion holes, an inner barrel is arranged in the outer barrel, an overflow tray is installed on the outer side of the top opening of the outer barrel, and the connecting vertical pipe is vertically installed on the sedimentation barrel. After the sedimentation barrel is filled with water flow, the water discharged from the water inlet pipe will overflow from the opening at the upper part of the inner barrel into the outer barrel, the filtered water will be discharged through the water outlet pipe, and the agglomerated impurities will fall downward in the inner barrel under the action of gravity, and the remaining fine agglomerated impurities will fall on the bottom of the outer barrel, and the impurities will fall into the sedimentation barrel for collection, so as to achieve the effect of water treatment sedimentation. Compared with traditional water treatment sedimentation equipment, it is easier to clean the precipitated impurities and avoid the accumulation of impurities affecting the water treatment sedimentation effect.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment precipitation, in particular to water treatment precipitation equipment. Background Art

[0002] Factories, coal mines and other fields will generate a large amount of wastewater and sewage during the production process. In order to avoid the deterioration of the natural environment caused by direct discharge of sewage, the sewage needs to be treated before discharge to remove the harmful substances contained in the sewage. During the sewage treatment process, the impurities contained in it will be precipitated first, and the sewage will be separated into solid and liquid. Therefore, a water treatment sedimentation equipment is needed.

[0003] A patent with announcement number CN 207404989 discloses a sewage sedimentation water treatment equipment, including a water inlet and a coal slag filter layer, a filter screen is installed below the water inlet, a waste collection box is installed on the left side of the primary filter tank, a water delivery pipe is connected to the bottom of the primary filter tank, a medicine feeding box is installed above the stirring tank, a sedimentation tank is installed on the right side of the stirring tank, an acrylic cotton filter layer is installed below the coal slag filter layer, an ion exchange resin filter layer is installed below the activated carbon filter layer, an outlet pipe is installed on the left side of the water reservoir, a water quality observation tank is arranged above the safety observation valve, and a small valve is arranged on the left side of the safety observation valve. The sewage sedimentation water treatment equipment is provided with a small valve, which can extract water quality samples from the water pipe for inspection, thereby increasing the practicality of the equipment.

[0004] However, the existing water treatment sedimentation is not convenient for cleaning the filtered impurities, the accumulation of impurities will affect the water treatment effect, and it occupies a large space and is not convenient for use in areas with small space capacity, resulting in inconvenience in use; therefore, a water treatment sedimentation equipment is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and to address the problems existing in the prior art, the utility model proposes a water treatment sedimentation device.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a water treatment sedimentation device described in the utility model comprises a support bracket; a mixing barrel, a sedimentation assembly, and an impurity collection assembly are respectively installed in the bracket through fixing parts, a stirring mechanism for mixing is arranged in the mixing barrel, a water inlet pipe is installed under the mixing barrel, and the other end of the water inlet pipe is evenly distributed with dispersed holes, and the other end of the water inlet pipe is vertically downwardly arranged in the sedimentation assembly, and the impurity collection assembly is connected under the sedimentation assembly through a connecting vertical pipe;

[0007] The sedimentation assembly comprises an outer cylinder, an inner cylinder is arranged inside the outer cylinder, one end of the water inlet pipe with a dispersion hole is vertically arranged inside the inner cylinder, an overflow tray is installed outside the top opening of the outer cylinder, an annular filter plate is installed inside the overflow tray, an outlet pipe is installed under the overflow tray, and the outlet pipe is installed outside the annular filter plate and the outer cylinder;

[0008] The impurity collection assembly includes a sedimentation barrel, the connecting vertical pipe is vertically installed on the sedimentation barrel, a No. 1 solenoid valve is installed on the connecting vertical pipe, a funnel is provided at the bottom of the sedimentation barrel, and a sewage pipe is installed under the funnel of the sedimentation barrel, and a No. 2 solenoid valve is installed on the sewage pipe;

[0009] A scraping assembly is arranged in the sedimentation assembly, and a driving assembly for driving the scraping assembly is arranged on the bracket, which cooperates to achieve the effect of water treatment sedimentation. Compared with traditional water treatment sedimentation equipment, it is easier to clean the precipitated impurities and avoid the accumulation of impurities affecting the water treatment sedimentation effect.

[0010] Preferably, a funnel is provided at the bottom end of the inner cylinder and passes through the bottom end of the outer cylinder. The connecting vertical pipe is vertically installed under the funnel end of the inner cylinder. The center line of the inner cylinder coincides with the center line of the outer cylinder. The center lines of the overflow tray and the annular filter plate coincide with the center line of the inner cylinder. A No. 3 solenoid valve and a delivery pump are installed on the water inlet pipe, which cooperate to facilitate the falling of impurities in the inner cylinder and ensure the reaction effect of the liquid entering the mixing barrel with the flocculant and the normal delivery of the liquid after the reaction.

[0011] Preferably, the driving assembly includes a support plate, and the support plate is installed on the bracket in an L shape, the vertical section of the support plate is installed on the bracket, and an annular slide rail is installed at the end of the horizontal section, a rotating ring is slidably arranged in the annular slide rail, and a rotating sleeve is installed in the rotating ring, and the cooperation achieves the function of driving the rotating sleeve to limit the position, so as to ensure the normal operation of the scraper assembly.

[0012] Preferably, a No. 1 transmission wheel is installed on the outer wall of the rotating sleeve, a motor is installed under the horizontal section of the support plate through a fixing part, a No. 2 transmission wheel is installed on the output shaft of the motor and passes through the horizontal section of the support plate, and a transmission chain for transmission is provided between the No. 2 transmission wheel and the No. 1 transmission wheel, the rotating sleeve is sleeved on the outside of the water inlet pipe, and the center line of the rotating sleeve coincides with the center line of the water inlet pipe, and the transmission effect is achieved by cooperation, so as to drive the rotating sleeve.

[0013] Preferably, sewage branch pipes are evenly distributed around the outside of the inner cylinder at the bottom of the outer cylinder, and the bottom ends of the sewage branch pipes are connected to the connecting vertical pipes, and the connection position is located on the No. 1 solenoid valve, which achieves the effect of improving the impurity cleaning and improves the convenience of equipment use.

[0014] Preferably, the scraping assembly includes fixed rods, which are evenly distributed and installed under the rotating sleeve, and the bottom ends of the fixed rods extend downwardly and are arranged in the outer cylinder, and are arranged around the outside of the inner cylinder, so as to achieve the scraping effect, so as to scrape impurities at the bottom of the inner cylinder.

[0015] Preferably, a V-shaped scraper is installed at the bottom end of the fixed rod, and the movement trajectory of the bottom side of the V-shaped scraper intersects with the inner bottom of the outer cylinder. The movement trajectory of the V-shaped scraper is located on the connecting opening between the sewage branch pipe and the outer cylinder, which cooperates to achieve the function of cleaning impurities in the outer cylinder and improve the impurity cleaning effect.

[0016] The utility model is beneficial in that:

[0017] 1. The utility model adds flocculants to sewage, and when the mixed liquid enters the sedimentation component, it flows into the inner cylinder through the dispersed holes evenly opened in the vertical section of the water inlet pipe. When the sedimentation barrel is filled with water, the water discharged from the water inlet pipe will overflow from the opening at the upper part of the inner cylinder into the outer cylinder, and when the water in the outer cylinder is full, it will be filtered by the annular filter plate and overflow into the overflow tray. Finally, the filtered water will be discharged through the outlet pipe. After the mixed liquid enters the inner cylinder through the dispersed holes, the impurities agglomerated in the mixed liquid will fall downward in the inner cylinder under the action of gravity and pass through The impurities will fall into the sedimentation barrel through the inner barrel and the connecting vertical pipe, and the remaining fine agglomerated impurities will fall on the bottom of the outer barrel. Finally, the impurities that fall on the bottom of the outer barrel will be scraped and collected by the driving component and the scraping component. Finally, the impurities will fall into the sedimentation barrel for collection. After a certain amount of impurities are collected, the No. 1 solenoid valve will be closed and the No. 2 solenoid valve will be opened to discharge the impurities remaining in the sedimentation barrel. The effect of water treatment sedimentation is achieved through cooperation. Compared with traditional water treatment sedimentation equipment, it is easier to clean the precipitated impurities and avoid the accumulation of impurities affecting the water treatment sedimentation effect.

[0018] 2. The utility model drives the No. 1 transmission wheel through the transmission chain through the No. 2 transmission wheel. When the No. 1 transmission wheel rotates, it will drive the rotating sleeve to rotate on the annular slide rail through the rotating ring. The fixed rod drives the V-shaped scraper to scrape the bottom of the outer cylinder. Under the continuous scraping of the V-shaped scraper, the impurities collected in the V-shaped opening will enter the connecting vertical pipe through the sewage branch pipe when passing through the opening of the sewage branch pipe, and finally enter the sedimentation barrel through the connecting vertical pipe. The cooperation achieves the effect of scraping slag, improves the cleaning effect of precipitated impurities, avoids the accumulation of impurities in the outer cylinder and affects the normal use of the equipment, and effectively improves the convenience of equipment use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 is a schematic diagram of a first three-dimensional structure;

[0021] Figure 2 This is an enlarged schematic diagram of the main structure of the sedimentation component;

[0022] Figure 3 It is a cutaway and enlarged schematic diagram of the main structure of the sedimentation component;

[0023] Figure 4 It is a cutaway and enlarged schematic diagram of the main structure of the inner tube;

[0024] Figure 5 It is a schematic diagram of the main structure of the water inlet pipe and the inner tube;

[0025] Figure 6 It is a partially cutaway enlarged schematic diagram of the scraper assembly structure;

[0026] Figure 7 This is an enlarged schematic diagram of the impurity collection component structure.

[0027] In the figure: 1. bracket; 2. mixing barrel; 3. sedimentation component; 4. impurity collection component; 5. driving component; 6. outer cylinder; 7. inner cylinder; 8. connecting vertical pipe; 9. overflow tray; 10. annular filter plate; 11. outlet pipe; 12. No. 1 solenoid valve; 13. inlet pipe; 14. dispersion hole; 15. sedimentation barrel; 16. sewage pipe; 17. No. 2 solenoid valve; 18. sewage branch pipe; 19. rotating sleeve; 20. rotating ring; 21. support plate; 22. annular slide rail; 23. No. 1 transmission wheel; 24. motor; 25. No. 2 transmission wheel; 26. transmission chain; 27. fixing rod; 28. V-shaped scraper; 29. ​​No. 3 solenoid valve; 30. delivery pump. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-7As shown, a water treatment sedimentation device comprises a support bracket 1 for supporting; a mixing barrel 2, a sedimentation component 3, and an impurity collection component 4 are respectively installed in the bracket 1 through fixing parts, a stirring mechanism for mixing is arranged in the mixing barrel 2, a water inlet pipe 13 is installed under the mixing barrel 2, and the other end of the water inlet pipe 13 is evenly distributed with dispersion holes 14, and the other end of the water inlet pipe 13 is vertically downwardly arranged in the sedimentation component 3, and the impurity collection component 4 is connected to the bottom of the sedimentation component 3 through a connecting vertical pipe 8;

[0030] The sedimentation assembly 3 includes an outer cylinder 6, an inner cylinder 7 is arranged inside the outer cylinder 6, one end of the water inlet pipe 13 with a dispersion hole 14 is vertically arranged inside the inner cylinder 7, an overflow tray 9 is installed outside the top opening of the outer cylinder 6, an annular filter plate 10 is installed inside the overflow tray 9, and an outlet pipe 11 is installed under the overflow tray 9, and the installation position of the outlet pipe 11 is located outside the annular filter plate 10 and the outer cylinder 6;

[0031] The impurity collection assembly 4 includes a sedimentation barrel 15, the connecting vertical pipe 8 is vertically installed on the sedimentation barrel 15, a first solenoid valve 12 is installed on the connecting vertical pipe 8, a funnel is provided at the bottom of the sedimentation barrel 15, and a sewage pipe 16 is installed under the funnel of the sedimentation barrel 15, and a second solenoid valve 17 is installed on the sewage pipe 16;

[0032] A scraping assembly is disposed in the sedimentation assembly 3 , and a driving assembly 5 for driving the scraping assembly is disposed on the bracket 1 .

[0033] During operation, since the existing water treatment sedimentation is not convenient for cleaning the filtered impurities, the accumulation of impurities will affect the water treatment effect, and it occupies a large space, which is not convenient for use in areas with small space capacity, resulting in inconvenience in use. In this solution, the sewage is transported into the mixing barrel 2, and flocculants are added to the sewage, and then a stirring reaction is carried out through a stirring mechanism. After the stirring reaction, the impurity colloid substances in the sewage will agglomerate, and then the mixed liquid in the mixing barrel 2 is transported into the sedimentation component 3 through the water inlet pipe 13. When the mixed liquid When entering the sedimentation component 3, the water flows into the inner cylinder 7 through the dispersed holes 14 evenly opened in the vertical section of the water inlet pipe 13, and then the water flow fills the impurity collection component 4 and the sedimentation component 3. When the sedimentation barrel 15 is filled with water, the water discharged from the water inlet pipe 13 overflows from the opening at the top of the inner cylinder 7 into the outer cylinder 6, and when the water in the outer cylinder 6 is full, it is filtered by the annular filter plate 10 and overflows into the overflow tray 9. Finally, the filtered water is discharged through the water outlet pipe 11, and when the mixed liquid enters the inner cylinder 7 through the water inlet pipe 13, the water is evenly distributed in the inner cylinder 7. The evenly distributed dispersion holes 14 will slow down the water discharge speed under the dispersion of the water flow. When the mixed liquid enters the inner tube 7 through the dispersion holes 14, the impurities in the mixed liquid will fall downward in the inner tube 7 under the action of gravity, and fall into the sedimentation barrel 15 through the inner tube 7 and the connecting vertical pipe 8. The agglomerated impurities in the liquid that cannot fall in time will follow the water flow and overflow from the upper opening of the inner tube 7 into the outer tube 6. At this time, they will remain in the outer tube 6 under the filtration of the annular filter plate 10. Finally, the remaining fine agglomerated impurities will fall to the bottom of the outer tube 6. Finally, the impurities that fall on the bottom of the outer tube 6 are scraped and collected through the driving component 5 and the scraping component, and enter the connecting vertical pipe 8 through the sewage branch pipe 18. Finally, the impurities will fall into the sedimentation barrel 15 for collection. When a certain amount of impurities are collected, the No. 1 solenoid valve 12 is closed, and then the No. 2 solenoid valve 17 is opened to discharge the impurities retained in the sedimentation barrel 15. The effect of water treatment sedimentation is achieved. Compared with traditional water treatment sedimentation equipment, it is easier to clean the precipitated impurities and avoid the accumulation of impurities affecting the water treatment sedimentation effect.

[0034] A funnel is arranged at the bottom end of the inner cylinder 7 and passes through the bottom end of the outer cylinder 6. The connecting vertical pipe 8 is vertically installed under the funnel end of the inner cylinder 7. The center line of the inner cylinder 7 coincides with the center line of the outer cylinder 6. The center lines of the overflow tray 9 and the annular filter plate 10 coincide with the center line of the inner cylinder 7. A No. 3 solenoid valve 29 and a delivery pump 30 are installed on the water inlet pipe 13.

[0035] See also Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, the driving assembly 5 includes a support plate 21, and the support plate 21 is installed on the bracket 1 in an L shape, the vertical section of the support plate 21 is installed on the bracket 1, and an annular slide rail 22 is installed at the end of the horizontal section, a rotating ring 20 is slidably arranged in the annular slide rail 22, and a rotating sleeve 19 is installed in the rotating ring 20.

[0036] A first transmission wheel 23 is installed on the outer wall of the rotating sleeve 19, a motor 24 is installed under the horizontal section of the support plate 21 through a fixing piece, a second transmission wheel 25 is installed on the output shaft of the motor 24 that passes through the horizontal section of the support plate 21, and a transmission chain 26 for transmission is provided between the second transmission wheel 25 and the first transmission wheel 23, the rotating sleeve 19 is sleeved on the outside of the water inlet pipe 13, and the center line of the rotating sleeve 19 coincides with the center line of the water inlet pipe 13.

[0037] The bottom of the outer cylinder 6 is evenly distributed with sewage branch pipes 18 around the outside of the inner cylinder 7, and the bottom ends of the sewage branch pipes 18 are connected to the connecting vertical pipe 8, and the connection position is located on the No. 1 solenoid valve 12.

[0038] The scraper assembly includes fixed rods 27 , which are evenly distributed and installed under the rotating sleeve 19 , and the bottom ends of the fixed rods 27 extend downwardly and are arranged in the outer cylinder 6 , and are arranged around the outer side of the inner cylinder 7 .

[0039] A V-shaped scraper 28 is installed at the bottom end of the fixing rod 27 , and the movement trajectory of the bottom side of the V-shaped scraper 28 intersects with the inner bottom of the outer tube 6 . The movement trajectory of the V-shaped scraper 28 is located on the connection opening between the sewage branch pipe 18 and the outer tube 6 .

[0040] During operation, in order to improve the treatment effect of precipitated impurities in this solution, avoid the accumulation of impurities in the outer cylinder to affect the water treatment precipitation effect, and avoid the accumulation of impurities affecting the normal use of the equipment, in this solution, by controlling the operation of the motor 24 during the use of the equipment, the motor 24 will drive the No. 2 transmission wheel 25 to rotate, and the No. 2 transmission wheel 25 is linked to the No. 1 transmission wheel 23 through the transmission chain 26. When the No. 2 transmission wheel 25 rotates, it will drive the No. 1 transmission wheel 23 to rotate, and when the No. 1 transmission wheel 23 rotates, it will drive the rotating sleeve 19 to rotate on the annular slide rail 22 through the rotating ring 20, and when the rotating sleeve 19 rotates, it will drive the scraper assembly installed thereunder to rotate in the outer cylinder 6 and rotate around the inner cylinder 7. When the scraping assembly rotates, it will drive the V-shaped scraper 28 to scrape the bottom of the outer cylinder 6 through the fixed rod 27, and the V-shaped scraper 28 will collect the impurities falling into the outer cylinder 6 in the V-shaped opening of the V-shaped scraper 28 during the scraping process. Under the continuous scraping of the V-shaped scraper 28, the impurities collected in the V-shaped opening will enter the connecting vertical pipe 8 through the sewage branch pipe 18 when passing through the opening of the sewage branch pipe 18, and finally enter the sedimentation barrel 15 through the connecting vertical pipe 8, thereby achieving the scraping effect, improving the cleaning effect of the precipitated impurities, avoiding the accumulation of impurities in the outer cylinder to affect the normal use of the equipment, and effectively improving the convenience of equipment use.

[0041] The working principle is as follows: the sewage is transported into the mixing barrel 2, and a flocculant is added to the sewage, and then a stirring reaction is performed through a stirring mechanism. After the stirring reaction, the impurity colloid substances in the sewage will agglomerate, and then the mixed liquid in the mixing barrel 2 is transported into the sedimentation component 3 through the water inlet pipe 13. When the mixed liquid enters the sedimentation component 3, it flows into the inner cylinder 7 through the dispersion holes 14 evenly opened in the vertical section of the water inlet pipe 13, and then the water flow fills the impurity collection component 4 and the sedimentation component 3. When the sedimentation barrel 15 is filled with water flow, the water discharged from the water inlet pipe 13 will overflow from the opening at the top of the inner cylinder 7 into the outer cylinder 6, and when the water in the outer cylinder 6 is full, it will be filtered by the annular filter plate 10 and overflow into the overflow tray 9. Finally, the filtered water will be discharged through the outlet pipe 11, and when the mixed liquid enters the inner cylinder 7 through the water inlet pipe 13, the water discharge speed will be slowed down under the dispersion of the water flow in the evenly distributed dispersion holes 14. When the mixed liquid passes through the separation After the diffuse holes 14 enter the inner cylinder 7, the impurities agglomerated in the mixed liquid will fall downward in the inner cylinder 7 under the action of gravity, and fall into the sedimentation barrel 15 through the inner cylinder 7 and the connecting vertical pipe 8. The agglomerated impurities in the liquid that cannot fall in time will follow the water flow and overflow from the upper opening of the inner cylinder 7 into the outer cylinder 6. At this time, they will remain in the outer cylinder 6 under the filtration of the annular filter plate 10. Finally, the remaining fine agglomerated impurities will fall to the bottom of the outer cylinder 6. Finally, the impurities falling on the bottom of the outer cylinder 6 will be scraped and collected by the driving component 5 and the scraping component, and enter the connecting vertical pipe 8 through the sewage branch pipe 18. Finally, the impurities will fall into the sedimentation barrel 15 for collection. When a certain amount of impurities are collected, the No. 1 solenoid valve 12 is closed, and then the No. 2 solenoid valve 17 is opened to discharge the impurities retained in the sedimentation barrel 15. The effect of water treatment sedimentation is achieved by cooperation. Compared with traditional water treatment sedimentation equipment, it is easier to clean up the precipitated impurities and avoid the accumulation of impurities affecting the water treatment sedimentation effect.

[0042] By controlling the operation of the motor 24 during the use of the equipment, the motor 24 will drive the No. 2 transmission wheel 25 to rotate, and the No. 2 transmission wheel 25 is linked to the No. 1 transmission wheel 23 through the transmission chain 26. When the No. 2 transmission wheel 25 rotates, it will drive the No. 1 transmission wheel 23 to rotate. When the No. 1 transmission wheel 23 rotates, it will drive the rotating sleeve 19 to rotate on the annular slide rail 22 through the rotating ring 20. When the rotating sleeve 19 rotates, it will drive the scraper assembly installed thereunder to rotate in the outer cylinder 6 and rotate around the outer side of the inner cylinder 7. When the scraper assembly rotates, it will pass through the fixed rod 27 The V-shaped scraper 28 is driven to scrape the bottom of the outer cylinder 6, and the V-shaped scraper 28 will collect the impurities that fall into the outer cylinder 6 in the V-shaped opening of the V-shaped scraper 28 during the scraping process, and the impurities collected in the V-shaped opening under the continuous scraping of the V-shaped scraper 28 will enter the connecting vertical pipe 8 through the sewage branch pipe 18 when passing through the opening of the sewage branch pipe 18, and finally enter the sedimentation barrel 15 through the connecting vertical pipe 8, thereby achieving the function of scraping slag, improving the cleaning effect of precipitated impurities, avoiding the accumulation of impurities in the outer cylinder and affecting the normal use of the equipment, and effectively improving the convenience of equipment use.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A water treatment sedimentation device, characterized in that: The invention comprises a support bracket (1); a mixing barrel (2), a sedimentation assembly (3), and an impurity collection assembly (4) are respectively installed in the bracket (1) through fixing parts; a stirring mechanism for mixing is arranged in the mixing barrel (2); a water inlet pipe (13) is installed under the mixing barrel (2); the other end of the water inlet pipe (13) is evenly distributed with dispersion holes (14); and the other end of the water inlet pipe (13) is vertically downwardly arranged in the sedimentation assembly (3); and the impurity collection assembly (4) is connected to the bottom of the sedimentation assembly (3) through a connecting vertical pipe (8); The sedimentation assembly (3) comprises an outer cylinder (6), an inner cylinder (7) is arranged inside the outer cylinder (6), one end of the water inlet pipe (13) having a dispersion hole (14) is vertically arranged inside the inner cylinder (7), an overflow tray (9) is installed outside the top opening of the outer cylinder (6), an annular filter plate (10) is installed inside the overflow tray (9), an outlet pipe (11) is installed below the overflow tray (9), and the outlet pipe (11) is installed outside the annular filter plate (10) and the outer cylinder (6); The impurity collection assembly (4) comprises a sedimentation barrel (15), the connecting vertical pipe (8) is vertically mounted on the sedimentation barrel (15), a first solenoid valve (12) is mounted on the connecting vertical pipe (8), a funnel is arranged at the bottom of the sedimentation barrel (15), a sewage pipe (16) is mounted under the funnel of the sedimentation barrel (15), and a second solenoid valve (17) is mounted on the sewage pipe (16); A scraping assembly is arranged inside the sedimentation assembly (3), and a driving assembly (5) for driving the scraping assembly is arranged on the bracket (1).

2. A water treatment sedimentation device according to claim 1, characterized in that: A funnel is provided at the bottom end of the inner cylinder (7) and passes through the bottom end of the outer cylinder (6). The connecting vertical pipe (8) is vertically installed under the funnel end of the inner cylinder (7). The center line of the inner cylinder (7) coincides with the center line of the outer cylinder (6). The center lines of the overflow tray (9) and the annular filter plate (10) coincide with the center line of the inner cylinder (7). A No. 3 electromagnetic valve (29) and a delivery pump (30) are installed on the water inlet pipe (13).

3. A water treatment sedimentation device according to claim 2, characterized in that: The driving assembly (5) comprises a support plate (21), and the support plate (21) is mounted on the bracket (1) in an L shape, the vertical section of the support plate (21) is mounted on the bracket (1), and an annular slide rail (22) is mounted at the end of the horizontal section, a rotating ring (20) is slidably arranged in the annular slide rail (22), and a rotating sleeve (19) is mounted in the rotating ring (20).

4. A water treatment sedimentation device according to claim 3, characterized in that: A first transmission wheel (23) is mounted on the outer wall of the rotating sleeve (19); a motor (24) is mounted below the horizontal section of the support plate (21) via a fixing member; a second transmission wheel (25) is mounted on the output shaft of the motor (24) and passes through the horizontal section of the support plate (21); a transmission chain (26) for transmission is arranged between the second transmission wheel (25) and the first transmission wheel (23); the rotating sleeve (19) is sleeved on the outside of the water inlet pipe (13), and the center line of the rotating sleeve (19) coincides with the center line of the water inlet pipe (13).

5. A water treatment sedimentation device according to claim 1, characterized in that: The bottom of the outer cylinder (6) is evenly distributed with sewage branch pipes (18) around the outside of the inner cylinder (7), and the bottom ends of the sewage branch pipes (18) are connected to the connecting vertical pipe (8), and the connection position is located on the No. 1 solenoid valve (12).

6. A water treatment sedimentation device according to claim 1, characterized in that: The scraper assembly comprises fixed rods (27) which are evenly distributed and installed under the rotating sleeve (19), and the bottom ends of the fixed rods (27) extend downwardly and are arranged in the outer cylinder (6) and surround the outer side of the inner cylinder (7).

7. A water treatment sedimentation device according to claim 6, characterized in that: A V-shaped scraper (28) is installed at the bottom end of the fixing rod (27), and the movement trajectory of the bottom side of the V-shaped scraper (28) intersects with the inner bottom of the outer cylinder (6). The movement trajectory of the V-shaped scraper (28) is located on the connection opening between the sewage branch pipe (18) and the outer cylinder (6).

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