Sewage treatment tank

Abstract

The invention relates to a sewage treatment tank, and relates to the technical field of sewage treatment. The device comprises a degradation tank body and a filtering tank body, the filtering tank body is communicated with the degradation tank body, a filtering cylinder is arranged in the filtering tank body in the height direction of the filtering tank body, the top of the filtering cylinder is sealed, and the bottom of the filtering cylinder penetrates through the communication position of the filtering tank body and the degradation tank body; a bearing plate is arranged between the periphery of the filter cylinder and the filter tank body, the height of the bearing plate far away from the filter cylinder is lower than the height of one side of the bearing plate close to the filter cylinder, and the filter tank body is communicated with a sewage inlet pipe; the cleaning assembly is used for cleaning the surface of the filtering barrel; the sewage treatment device has the effects of optimizing the sewage treatment effect and improving the sewage treatment efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment, and in particular to a sewage treatment pool. Background Art

[0002] Sewage treatment is the process of purifying sewage so that it meets the water quality requirements for discharge into a water body or reuse. The corresponding sewage treatment tank is a container used to carry and purify sewage. The sewage treatment in the sewage treatment tank generally includes filtration, flocculant degradation treatment, etc.

[0003] The existing sewage treatment pool generally includes a sewage inlet pipe connected to the sewage treatment pool, and a filter screen arranged in the sewage treatment pool. The filter screen divides the sewage treatment unit into a filtration area and a degradation area located below the filtration area, and also includes a conveying member for conveying flocculants to the degradation area. In actual use, the sewage is passed into the sewage treatment pool through the sewage inlet pipe, and the sewage is first filtered through the filter screen. The large particles of debris in the sewage are intercepted by the filter screen and retained on the surface of the filter screen. The filtered sewage flows into the degradation area, and the flocculant is passed into the degradation area through the conveying member. The flocculant is combined with the water body to form flocs and precipitate the impurities in the water body, so as to achieve a more thorough separation effect between the water body and the impurities.

[0004] With respect to the above-mentioned technology, impurities intercepted by the filter are deposited on the surface of the filter. As the amount of impurities deposited on the filter increases, the filtering speed of the filter for the subsequent sewage entering the sewage treatment pool will slow down, resulting in low overall sewage treatment efficiency. Summary of the invention

[0005] In order to improve the efficiency of sewage treatment, the present application provides a sewage treatment pool.

[0006] The present application provides a sewage treatment pool, which adopts the following technical solution:

[0007] A sewage treatment tank comprises a degradation tank body and a filtration tank body, wherein the filtration tank body is connected to the degradation tank body, a filtration cylinder is arranged inside the filtration tank body along its height direction, the top of the filtration cylinder is sealed, and the bottom of the filtration cylinder passes through the connection position between the filtration tank body and the degradation tank body; a receiving plate is arranged between the periphery of the filtration cylinder body and the filtration tank body, the height of all receiving plates away from the filtration cylinder body is lower than the height of one side of the receiving plate close to the filtration cylinder body, and the filtration tank body is connected to a sewage inlet pipe; and a cleaning component is also included, and the cleaning component is used to clean the surface of the filtration cylinder body.

[0008] By adopting the above technical solution, the filter cylinder is arranged along the height direction of the filter pool, that is, it is arranged vertically, so that part of the impurities intercepted in the sewage can fall under the action of their own weight, thereby reducing the amount of impurities attached to the surface of the filter cylinder. In addition, the receiving plate is used to receive the impurities filtered out of the sewage, and the present application limits the height of the receiving plate away from the filter cylinder to be lower than the height close to the filter cylinder. Therefore, impurities can be deposited on the side away from the filter cylinder under the guidance of the receiving plate, further reducing the influence of impurities on the filtering effect of the filter cylinder. In addition, the present application further adds a cleaning component for cleaning the surface of the filter cylinder, thereby further reducing the amount of impurities attached to the surface of the filter cylinder and optimizing the filtering effect on sewage.

[0009] Preferably, the receiving plate comprises two supporting plates connected to each other, the supporting plates are arranged sequentially along the height direction of the filter cylinder and have a stepped cross-section; the height of the supporting plate close to the filter cylinder is higher than the height of the supporting plate away from the filter cylinder; the sewage inlet pipe is facing the surface of the supporting plate at the bottom.

[0010] By adopting the above technical solution, this solution limits the outlet of the sewage inlet pipe to face the bottom support plate, so that impurities in the sewage entering the sewage treatment tank can fall directly on the support plate. Since the cross-section of the receiving plate formed by connecting all the support plates is stepped, this structure can be used to prevent impurities from moving toward the direction close to the filter cylinder, thereby reducing the problem of impurities blocking the filter holes of the filter cylinder.

[0011] Preferably, the support plate away from the filter cylinder is tilted downwardly on a side away from the filter cylinder.

[0012] By adopting the above technical solution, the inclination of the support plate is limited to further optimize the guiding effect of the support plate on the impurities retained on its surface, so that the impurities can be concentrated and accumulated on the side of the support plate away from the filter cylinder, further reducing the impact of the impurities on the filtering effect of the filter cylinder.

[0013] Preferably, one side of the support plate near the filter cylinder is hinged to the periphery of the filter cylinder, and the other side is hinged with a docking plate, and the other side of the docking plate is movably connected to the surface of another support plate, and the cleaning assembly includes a lifting member for driving the filter cylinder to move up and down along the height direction of the filter pool body.

[0014] By adopting the above technical solution, the support plate and the docking plate are driven to rotate around the hinge point through the lifting and lowering of the filter cylinder, so that the support plate close to the filter cylinder is tilted, and then the impurities on the surface of the support plate close to the filter cylinder are allowed to fall onto the bottom support plate under the inclined guidance, so that the impurities are away from the filter cylinder, further reducing the situation where impurities block the filter holes of the filter cylinder.

[0015] Preferably, a slide plate is hinged on one side of the docking plate away from the filter cylinder, and the slide plate is slidably connected to the surface of the support plate away from the filter cylinder; the lifting member includes a motor, a rotating rod, a pull rope, a docking gear, a docking rack and a lower pressure plate, the rotating rod is rotatably connected to the filter pool body, the motor driving end is connected to the end of the rotating rod to drive the rotating rod to rotate, one end of the pull rope is wound around the rotating rod, and the other end is connected to the top of the filter cylinder, the docking gear is sleeved on the rotating rod, the docking rack is meshed with the docking gear, and the docking rack is connected to the lower pressure plate, the lower pressure plate is slidably connected to the filter pool body with the transmission action of the docking gear and the docking rack, and the lower pressure plate is used to press the hinged position of the docking plate and the support plate close to the filter cylinder during the sliding process, so that the slide plate moves toward the direction close to the inner wall of the filter pool.

[0016] By adopting the above technical solution, when the moving part drives the filter cylinder to move upward and causes the support plate to tilt, the lower pressure plate moves downward under the rotation of the rotating rod and the transmission action of the docking gear and the docking rack and presses against the hinge position of the docking plate and the support plate close to the filter cylinder, so that the slide plate moves toward the direction close to the filter tank body, thereby scraping the surface of the support plate close to the filter tank body to further push the impurities away from the filter cylinder.

[0017] Preferably, the cleaning assembly further comprises a limiting plate, which is inserted into the inner side of the filter cylinder and fits against the inner wall of the filter cylinder.

[0018] By adopting the above technical solution, a limit plate is used to limit the lifting and lowering movement of the filter cylinder to ensure that the lower pressure plate can be accurately pressed at the hinge position of the docking plate and the support plate close to the filter cylinder when pressed down, and the slide plate can slide relative to the support plate in the direction away from the filter cylinder.

[0019] Preferably, bristles are provided on one side of the scraper facing the filter cylinder, and the bristles abut against the surface of the filter cylinder.

[0020] By adopting the above technical solution, when the filter cylinder moves up and down, the filter cylinder moves relative to the scraper, so that the bristles on the surface of the scraper scrape the filter cylinder, thereby cleaning the surface of the filter cylinder.

[0021] Preferably, a stirring rod is rotatably connected in the degradation tank body, a stirring blade is arranged on the stirring rod, and a rotating part for driving the stirring rod to rotate is arranged in the degradation tank body.

[0022] By adopting the above technical solution, the stirring rod is driven to rotate by the rotating part, and then the stirring rod and the stirring blades on its surface are used to fully mix the flocculant and water in the degradation tank, thereby optimizing the sedimentation and separation effect of the flocculant on the water.

[0023] Preferably, a push plate and a push member are provided on the filter tank body, and the push member is used to drive the push plate to penetrate the filter tank body and slide back and forth along the length direction of the support plate, and when the push plate slides, the push plate is attached to the surface of the support plate away from the filter cylinder.

[0024] By adopting the above technical solution, the pushing member is used to drive the pushing plate to slide, and during the sliding process of the pushing plate, the pushing plate is attached to the surface of the supporting plate, so that impurities on the surface of the supporting plate can be pushed out of the filter tank body by the pushing plate.

[0025] Preferably, the pushing member includes a linkage rod and a return spring, the return spring is arranged between the pushing plate and the filter tank body, and the expansion and contraction direction of the return spring is parallel to the sliding direction of the pushing plate, the linkage rod is arranged on the stirring rod, and when the return spring is not deformed, the pushing plate is located at the end of the filter tank body, and at this time the pushing plate is located on the rotation path of the linkage rod when it rotates with the stirring rod.

[0026] By adopting the above technical solution, the rotation of the stirring rod is used to drive the linkage rod to rotate. When the linkage rod rotates to contact the push plate, the linkage rod pushes the push plate to make the push plate slide along the length direction of the support plate, thereby pushing impurities on the surface of the support plate out of the filter tank body.

[0027] In summary, this application includes the following beneficial technical effects:

[0028] The filter cylinder is arranged along the height direction of the filter pool, that is, it is arranged vertically, so some impurities intercepted in the sewage can fall under the action of their own weight, thereby reducing the amount of impurities attached to the surface of the filter cylinder. In addition, the receiving plate is used to receive the impurities filtered out of the sewage, and the present application limits the height of the receiving plate away from the filter cylinder to be lower than the height close to the filter cylinder. Therefore, impurities can be deposited on the side away from the filter cylinder under the guidance of the receiving plate, further reducing the influence of impurities on the filtering effect of the filter cylinder. In addition, the present application further adds a cleaning component for cleaning the surface of the filter cylinder, thereby further reducing the amount of impurities attached to the surface of the filter cylinder and optimizing the filtering effect on sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a sewage treatment pool disclosed in an embodiment of the present application.

[0030] Figure 2 yes Figure 1 Sectional view along AA direction.

[0031] Figure 3 yes Figure 1 Cross-sectional view along the BB axis.

[0032] Explanation of the reference numerals: 1. Filter tank body; 11. Sewage inlet pipe; 12. Filter cylinder; 13. Receiver plate; 131. Support plate; 1311. Receiving groove; 132. Docking plate; 133. Slide plate; 14. Push plate; 15. Pusher; 151. Return spring; 152. Linkage rod; 2. Degradation tank body; 21. Water outlet pipe; 22. Pumping pump; 23. Stirring rod; 231. Stirring blade; 232. Rotating part; 3. Cleaning component; 31. Lifting part; 311. Motor; 312. Rotating rod; 313. Pull rope; 314. Docking gear; 315. Docking rack; 316. Lower pressure plate; 32. Limiting plate; 321. Bristles. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-3 This application is described in further detail.

[0034] The present application embodiment discloses a sewage treatment pool. Figure 1 and Figure 2 The sewage treatment tank includes a degradation tank body 2 and a filter tank body 1 arranged on the top of the inner wall of the degradation tank body 2, and the bottom of the filter tank body 1 is connected to the degradation tank body 2. The top of the filter tank body 1 is connected to a sewage inlet pipe 11, and the side wall at the top of the degradation tank body 2 is connected to an outlet pipe 21, and a valve for opening and closing the outlet pipe 21. A filter cylinder 12 is arranged inside the filter tank body 1, and the filter cylinder 12 divides the filter tank body 1 into a filter area and an impurity retention area, and the filter area is connected to the degradation tank body 2. Sewage enters the sewage treatment tank from the sewage inlet pipe 11 and flows into the degradation tank body 2 after being filtered by the filter cylinder 12, and is mixed with the chemical agent in the degradation tank body 2 to achieve further purification treatment.

[0035] Reference Figure 2 and Figure 3 The lower end of the filter cylinder 12 is connected to a receiving plate 13, which includes two supporting plates 131 and a docking plate 132 hinged between the two supporting plates 131, one of the supporting plates 131 is hinged to the lower end of the filter cylinder 12, and a slide plate 133 is provided between the other supporting plate 131 and the docking plate 132, the slide plate 133 is connected to the support plate by spring sliding, and the slide plate 133 is hinged to the docking plate 132; and the supporting plate 131 away from the filter cylinder 12 is fixedly connected to the inner wall of the filter tank body 1, and the side of the supporting plate 131 used for fixed connection with the filter tank body 1 is tilted downward. The pipe mouth of the sewage inlet pipe 11 faces the upper surface of the supporting plate 131 away from the filter cylinder 12.

[0036] Reference Figure 2 and Figure 3, and also includes a cleaning component 3, the cleaning component 3 includes a lifting member 31 and a limit plate 32, there can be several limit plates 32, and the limit plates 32 are evenly distributed along the height direction of the filter cylinder 12, the limit plates 32 are fixedly connected to the inner wall of the filter pool body 1, and are inserted into the inner side of the filter cylinder 12, and the side wall of the limit plate 32 facing the filter cylinder 12 is provided with bristles 321, and the bristles 321 are in contact with the surface of the filter cylinder 12.

[0037] Reference Figure 2 and Figure 3 The lifting member 31 is used to drive the filter cylinder 12 to rise and fall. Specifically, the lifting member 31 includes a motor 311, a rotating rod 312, a pull rope 313, a docking gear 314, a docking rack 315 and a lower pressure plate 316; the motor 311 is installed on the side wall of the filter pool body 1, and the driving shaft of the motor 311 is connected to the rotating rod 312. The rotating rod 312 is driven by the motor 311 to rotate and is connected to the filter pool body 1. One end of the pull rope 313 is wrapped around the rotating rod 312, and the other end is fixedly connected to the top of the filter cylinder 12. The docking gear 314 is fixedly sleeved on the rotating rod 312, the docking rack 315 is meshed with the docking gear 314, and the docking rack 315 is slidably connected to the filter pool body 1 in the direction parallel to the lifting and lowering direction of the filter cylinder 12, and the lower pressure plate 316 is connected to the lower end of the docking rack 315, and the lower pressure plate 316 is used to press the hinge position of the docking plate 132 and the support plate close to the filter cylinder 12 when it moves down together with the docking rack 315, so that the slide plate 133 slides in the direction close to the inside of the filter pool body 1, thereby causing the spring connected between the slide plate 133 and the support plate 131 to deform, and when the lower pressure plate 316 moves up and releases the pressure on the aforementioned hinge position, the slide plate 133 will move in the direction close to the filter cylinder 12 under the action of the spring force until it moves to Figure 3 The status shown, Figure 3 The state shown is the initial state before the filter cylinder 12 is moved upward.

[0038] Reference Figure 2 and Figure 3 A pumping pump 22 is provided at the top of the degradation tank body 2. The water inlet of the pumping pump 22 is connected to the chemical agent supply source. The chemical agent in the embodiment of the present application is specifically a flocculant. The water outlet of the pumping pump 22 is connected to the degradation tank body 2. A stirring rod 23 is provided in the degradation tank body 2. A stirring blade 231 is integrally formed on the peripheral wall of the stirring rod 23 along its height direction. A rotating member 232 for driving the stirring rod 23 to rotate is provided at the top of the degradation tank body 2. The rotating member 232 can be specifically a motor 311 installed at the top of the degradation tank body 2. The driving shaft of the motor 311 is connected to the top of the stirring rod 23.

[0039] Reference Figure 2 and Figure 3A push plate 14 is inserted through the end of the filter tank body 1, and the push plate 14 is located above the end of the support plate 131 away from the filter cylinder 12. A push piece 15 is also provided. The push piece 15 is used to drive the push plate 14 to penetrate the filter tank body 1 and slide back and forth along the length direction of the support plate 131. During the movement of the push plate 14, the push plate 14 is attached to the upper surface of the support plate 131, so that the impurities on the support plate 131 can be pushed by the push plate 14 to the receiving groove 1311 located at the end of the support plate 131, so that the operator can open the unloading door preset on the end wall of the filter tank body 1 and discharge the impurities from the receiving groove 1311 in a centralized manner.

[0040] Reference Figure 2 and Figure 3 The pusher 15 includes a linkage rod 152 and a return spring 151, the return spring 151 is connected between the pusher plate 14 and the filter tank body 1, and the linkage rod 152 is arranged on the side wall of the stirring rod 23. When the return spring 151 is not deformed, the pusher plate 14 is located at the end of the filter tank body 1. At this time, the pusher plate 14 is located on the path where the linkage rod 152 rotates with the stirring rod 23, so that the pusher plate 14 can slide by virtue of the resistance of the linkage rod 152 to the pusher plate 14.

[0041] The implementation principle of a sewage treatment pool in the embodiment of the present application is as follows: the sewage is transported to the filter tank body 1 through the sewage inlet pipe 11, and the sewage directly flows into the bottom support plate 131. Some impurities in the sewage will be retained on the bottom support plate 131 under the interception of the docking plate 132, and then the sewage is filtered by the filter cylinder 12 and flows into the degradation tank body 2, and the chemical agent is extracted by the pumping pump 22 to mix with the sewage, so as to further separate the impurities in the sewage from the water body. After being used for a period of time, the filter cylinder 12 is driven to move upward by the lifting member 31, and the support plate 131 located at the top is tilted during this process, and the lower pressure plate 316 is pressed down near the hinge position of the support plate 131 and the docking plate 132, so that the docking plate 132 is further tilted, and then the slide plate 133 slides relative to the bottom support plate 131, so as to use the slide plate 133 to push the impurities located on the bottom support plate to the side away from the filter cylinder 12.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sewage treatment tank, comprising a degradation tank body (2) and a filtration tank body (1), wherein the filtration tank body (1) is connected to the degradation tank body (2), characterized in that: A filter cylinder (12) is arranged inside the filter tank body (1) along its height direction; the top of the filter cylinder (12) is sealed, and the bottom of the filter cylinder (12) passes through the connection position between the filter tank body (1) and the degradation tank body (2); a receiving plate (13) is provided between the periphery of the filter cylinder (12) and the filter tank body (1); the height of all receiving plates (13) away from the filter cylinder (12) is lower than the height of one side of the receiving plate (13) close to the filter cylinder (12); the filter tank body (1) is connected to a sewage inlet pipe (11); and a cleaning component (3) is also included, and the cleaning component (3) is used to clean the surface of the filter cylinder (12).

2. The sewage treatment tank according to claim 1, characterized in that: The receiving plate (13) comprises two mutually connected supporting plates (131), the supporting plates (131) being arranged in sequence along the height direction of the filter cylinder (12) and having a stepped cross-section; the height of the supporting plate (131) close to the filter cylinder (12) is higher than the height of the supporting plate (131) far from the filter cylinder (12); the sewage inlet pipe (11) faces the surface of the supporting plate (131) at the bottom.

3. The sewage treatment tank according to claim 2, characterized in that: The support plate (131) at a position away from the filter cylinder (12) is arranged to be tilted downward on a side away from the filter cylinder (12).

4. The sewage treatment tank according to claim 2, characterized in that: One side of a support plate (131) near the filter cylinder (12) is hinged to the periphery of the filter cylinder (12), and the other side is hinged to a docking plate (132), and the other side of the docking plate (132) is movably connected to the surface of another support plate (131). The cleaning component (3) includes a lifting member (31) for driving the filter cylinder (12) to move up and down along the height direction of the filter tank body (1).

5. The sewage treatment tank according to claim 4, characterized in that: A slide plate (133) is hingedly connected to one side of the docking plate (132) away from the filter cylinder (12), and the slide plate (133) is slidably connected to the surface of the support plate (131) away from the filter cylinder (12); the lifting member (31) comprises a motor (311), a rotating rod (312), a pull rope (313), a docking gear (314), a docking rack (315) and a lower pressure plate (316); The rotating rod (312) is rotatably connected to the filter tank body (1); the driving end of the motor (311) is connected to the end of the rotating rod (312) to drive the rotating rod (312) to rotate; one end of the pull rope (313) is wound around the rotating rod (312) and the other end is connected to the top of the filter cylinder (12); the docking gear (314) is sleeved on the rotating rod (312); the docking rack (315) is meshed with the docking gear (314); The docking rack (315) is connected to the lower pressure plate (316), and the lower pressure plate (316) is slidably connected to the filter tank body (1) due to the transmission action of the docking gear (314) and the docking rack (315). The lower pressure plate (316) is used to press the hinge position of the docking plate (132) and the support plate (131) close to the filter cylinder (12) during the sliding process, so that the slide plate (133) moves in a direction close to the inner wall of the filter tank body (1).

6. The sewage treatment tank according to claim 1, characterized in that: The cleaning assembly (3) further comprises a limiting plate (32), wherein the limiting plate (32) is inserted into the inner side of the filter cylinder (12) and fits against the inner wall of the filter cylinder (12).

7. The sewage treatment tank according to claim 6, characterized in that: Brushes (321) are provided on one side of the scraper facing the filter cylinder (12), and the brushes (321) are in contact with the surface of the filter cylinder (12).

8. The sewage treatment tank according to claim 1, characterized in that: A stirring rod (23) is rotatably connected in the degradation tank body (2), a stirring blade (231) is provided on the stirring rod (23), and a rotating member (232) for driving the stirring rod (23) to rotate is provided in the degradation tank body (2).

9. The sewage treatment tank according to claim 8, characterized in that: A push plate (14) and a push member (15) are provided on the filter tank body (1), and the push member is used to drive the push plate (14) to penetrate the filter tank body (1) and slide back and forth along the length direction of the support plate (131), and when the push plate (14) slides, the push plate (14) is in contact with the surface of the support plate (131) away from the filter cylinder (12).

10. The sewage treatment tank according to claim 9, characterized in that: The pusher (15) comprises a linkage rod (152) and a return spring (151); the return spring (151) is arranged between the pusher plate (14) and the filter tank body (1); and the expansion and contraction direction of the return spring (151) is parallel to the sliding direction of the pusher plate (14); the linkage rod (152) is arranged on the stirring rod (23); when the return spring (151) is not deformed, the pusher plate (14) is located at the end of the filter tank body (1); and at this time, the pusher plate (14) is located on the rotation path of the linkage rod (152) when it rotates with the stirring rod (23).

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