Rotational flow desilting device for sewage plant

Abstract

The utility model relates to the technical field of rotational flow desilting devices, in particular to a rotational flow desilting device for a sewage plant, which reduces the condition of dirt blockage, improves the convenience of automatically discharging silt, reduces the complexity of disassembly and cleaning by personnel, and improves the working efficiency. Comprising a support and a tank, the support is mounted on the outer side wall of the tank, and a water inlet is formed in the top end of the tank; the drainage pipe is communicated with the upper part of the outer side wall of the tank body, a plurality of groups of sand discharge ports are formed in the bottom end of the tank body, the top ends of the plurality of groups of conveying pipes are respectively communicated with the plurality of groups of sand discharge ports of the tank body, and the bottom ends of the plurality of groups of conveying pipes are all communicated with the separation device; the separating device is used for separating and discharging settled sand, the multiple groups of valves are respectively arranged on the outer side wall of the conveying pipe in a communicating manner, a stirring device is arranged in the tank body and is used for stirring sewage, and the filtering device is arranged at the water inlet of the tank body and is used for filtering large dirt in the sewage.

Description

Technical Field

[0001] The utility model relates to the technical field of cyclone sand settling devices, in particular to a cyclone sand settling device for a sewage plant. Background Art

[0002] The cyclone sand settling device uses the principles of fluid mechanics to form a rotating water flow inside the device, so that impurities such as sand in the sewage can quickly settle and be effectively separated under the action of centrifugal force. This device has the advantages of high treatment efficiency, small footprint, and stable operation, and has gradually become an indispensable equipment in sewage treatment plants.

[0003] As in the patent with prior art authorization announcement number CN216404015U, the utility model relates to the technical field of water conservancy projects, specifically a cyclone sand settling device for water conservancy projects, including a base; a cyclone sand settling machine, the cyclone sand settling machine is located above the base; columns, the columns are installed around the bottom of the cyclone sand settling machine; a connecting port, the connecting port is installed at the bottom of the cyclone sand settling machine; a sand settling tank, the sand settling tank is located at the bottom of the connecting port; a connecting assembly, the connecting assembly includes a first clamping block, a second clamping block is arranged on the outer side of the first clamping block, and one end of the bolt passes through the side plate and is threadedly connected to a nut.

[0004] However, during the use of the device, it was found that when cleaning the inside of the grit chamber, personnel were required to manually disassemble and open the grit chamber, which increased the complexity of cleaning and maintenance of the device and reduced work efficiency and ease of use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a cyclone sedimentation device for a sewage treatment plant which reduces dirt blockage, improves the convenience of automatically discharging mud and sand, reduces the complexity of disassembly and cleaning by personnel, and improves work efficiency.

[0006] The utility model discloses a cyclone sedimentation device for a sewage treatment plant, comprising a bracket and a tank body, wherein the bracket is mounted on the outer side wall of the tank body, and a water inlet is arranged at the top of the tank body; the utility model also comprises a separation device, a stirring device, a filtering device, a drainage pipe, a delivery pipe and a valve, wherein the drainage pipe is connected and arranged at the upper part of the outer side wall of the tank body, a plurality of groups of sediment discharge ports are arranged at the bottom end of the tank body, the top ends of the plurality of groups of delivery pipes are respectively connected with the plurality of groups of sediment discharge ports of the tank body, the bottom ends of the plurality of groups of delivery pipes are all connected with the separation device, the separation device is used for separating and discharging sediment, the plurality of groups of valves are respectively connected and arranged on the outer side wall of the delivery pipe, a stirring device is arranged in the tank body, the stirring device is used for stirring sewage, and the filtering device is arranged in the tank At the water inlet of the tank, the filtering device is used to filter out large pieces of dirt in the sewage; the sewage is transported to the inside of the tank through the filtering device, and the sewage is filtered by the filtering device to remove large pieces of dirt in the sewage, thereby reducing the clogging of the device by the dirt; then the sewage in the tank is stirred by the stirring device, and the edge of the water surface rises after the sewage generates a vortex, and the silt in the sewage is deposited downward due to the centrifugal effect, and then the silt is discharged into the separation device through multiple groups of conveying pipes, and the silt is separated by the separation device and discharged outward, thereby improving the convenience of the device to automatically discharge silt, reducing the complexity of personnel disassembling and cleaning the device, and improving the working efficiency of the device.

[0007] Preferably, the separation device includes a separation cylinder, a closed door, a rotating shaft, a spiral blade, a first motor and a filter screen, the bottom ends of the multiple groups of conveying pipes are connected to the separation cylinder, an opening is provided at the left end of the separation cylinder, the closed door is installed at the opening of the separation cylinder, the rotating shaft is rotatably installed on the inner wall of the separation cylinder, the spiral blade is installed on the outer wall of the rotating shaft, the first motor is installed on the outer wall of the separation cylinder, the output end of the first motor is connected to the rotating shaft, and the filter screen is connected and arranged at the bottom end of the separation cylinder; the multiple groups of conveying pipes convey and discharge the sediment at the bottom of the tank body into the interior of the separation cylinder, filter the sediment through the filter screen, and make the sewage entering the separation cylinder pass through the filter screen and be discharged downward, thereby improving the solid-liquid separation effect, and then by opening the closed door and the first motor, the first motor drives the rotating shaft to rotate, and the rotating shaft drives the spiral blade to rotate after the rotation, so that the spiral blade discharges the sediment in the separation cylinder outward, thereby improving the convenience of the device to automatically discharge the sediment.

[0008] Preferably, the stirring device includes a second motor, a support shaft, multiple groups of stirring blades and multiple groups of scrapers, the second motor is installed at the top of the tank body, the upper and lower ends of the support shaft are rotatably installed on the inner wall of the tank body, the output end of the second motor is connected to the top of the support shaft, the multiple groups of stirring blades are all installed on the upper part of the outer wall of the support shaft, the multiple groups of scrapers are all installed on the lower part of the outer wall of the support shaft, and the multiple groups of scrapers are in contact with the bottom of the inner wall of the tank body, and the bottom of the inner wall of the tank body is set to be conical; the support shaft is driven to rotate by the second motor, so that the support shaft drives the multiple groups of stirring blades and the multiple groups of scrapers to rotate, and the multiple groups of stirring blades stir the sewage in the tank body after rotating, so that the silt in the sewage is deposited downward, and the silt deposited at the bottom of the tank body is scraped after the scraper rotates, and at the same time cooperates with the conical slope of the bottom of the tank body, thereby improving the convenience of discharging the silt in the tank body through the multiple groups of conveying pipes.

[0009] Preferably, the filtering device includes a box body and a screen plate, the top of the box body is provided with an opening, the bottom of the box body is connected with the inner part of the tank body, and the screen plate is installed on the inner wall of the box body; the sewage is transported into the tank body through the inside of the box body, and the sewage is filtered and processed through the screen plate to improve the effect of removing large pieces of dirt in the sewage, and the convenience of cleaning the dirt on the top of the screen plate is improved by moving the screen plate upward and out of the box body.

[0010] Preferably, it also includes a trough body, which is arranged below the filter screen; sewage discharged from the filter screen is collected by the trough body, thereby improving the convenience of sewage recycling and treatment.

[0011] Preferably, it also includes a handle, which is installed on the outer side wall of the screen plate; by providing the handle, the convenience of taking the screen plate out is improved.

[0012] Preferably, it also includes a connecting flange, which is arranged at the bottom of the tank body; by arranging the connecting flange, the convenience of inspection and maintenance after the bottom of the tank body is separated and opened is improved.

[0013] Compared with the prior art, the utility model has the following beneficial effects: sewage is transported to the inside of the tank through the filtering device, the sewage is filtered through the filtering device to remove large pieces of dirt in the sewage, and the clogging of the device by the dirt is reduced; then the sewage in the tank is stirred by the stirring device, and the edge of the water surface rises after the sewage generates a vortex, and the silt in the sewage is deposited downward due to the centrifugal effect, and then the silt is discharged into the separation device through multiple groups of conveying pipes, and the silt is separated by the separation device and then discharged outward, thereby improving the convenience of the device to automatically discharge silt, reducing the complexity of personnel disassembling and cleaning the device, and improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2It is a schematic diagram of the axonometric local structure of the connection between the support shaft and the stirring blade;

[0016] Figure 3 It is a schematic diagram of the axonometric partial structure of the connection between the tank body and the drainage pipe, etc.;

[0017] Figure 4 It is a schematic diagram of the axonometric local structure of the connection between the conveying pipe and the separation cylinder;

[0018] Figure 5 It is a schematic diagram of the axonometric structure of the connection between the box body and the screen plate.

[0019] Markings in the attached drawings: 1. bracket; 2. tank body; 3. drain pipe; 4. delivery pipe; 5. valve; 6. separation cylinder; 7. closing door; 8. rotating shaft; 9. spiral blade; 10. first motor; 11. filter screen; 12. second motor; 13. supporting shaft; 14. stirring blade; 15. scraper; 16. box body; 17. screen plate; 18. trough body; 19. handle; 20. connecting flange. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0021] like Figures 1 to 5 As shown, the utility model of the cyclone sedimentation device for a sewage treatment plant comprises a bracket 1 and a tank body 2, wherein the bracket 1 is mounted on the outer wall of the tank body 2, and a water inlet is arranged at the top of the tank body 2; the utility model also comprises a separation device, a stirring device, a filtering device, a drain pipe 3, a delivery pipe 4 and a valve 5, wherein the drain pipe 3 is connected and arranged at the upper part of the outer wall of the tank body 2, a plurality of groups of sediment discharge ports are arranged at the bottom end of the tank body 2, the top ends of the plurality of groups of delivery pipes 4 are respectively connected with the plurality of groups of sediment discharge ports of the tank body 2, and the bottom ends of the plurality of groups of delivery pipes 4 are all connected with the separation device, the separation device is used to separate and discharge sediment, the plurality of groups of valves 5 are respectively connected and arranged on the outer wall of the delivery pipe 4, a stirring device is arranged in the tank body 2, the stirring device is used to stir the sewage, the filtering device is arranged at the water inlet of the tank body 2, and the filtering device is used to filter large pieces of dirt in the sewage;

[0022] like Figure 2As shown, the separation device includes a separation cylinder 6, a closed door 7, a rotating shaft 8, a spiral blade 9, a first motor 10 and a filter screen 11. The bottom ends of the multiple groups of conveying pipes 4 are all connected to the separation cylinder 6. The left end of the separation cylinder 6 is provided with an opening. The closed door 7 is installed at the opening of the separation cylinder 6. The rotating shaft 8 is rotatably installed on the inner wall of the separation cylinder 6. The spiral blade 9 is installed on the outer wall of the rotating shaft 8. The first motor 10 is installed on the outer wall of the separation cylinder 6. The output end of the first motor 10 is connected to the rotating shaft 8. The filter screen 11 is connected and arranged at the bottom end of the separation cylinder 6.

[0023] In this embodiment, the sewage is transported to the interior of the tank body 2 through a filtering device, the sewage is filtered by the filtering device to remove large pieces of dirt in the sewage and reduce the clogging of the device by the dirt, and then the sewage in the tank body 2 is stirred by a stirring device. After the sewage generates a vortex, the edge of the water surface rises, and the silt in the sewage is deposited downward due to the centrifugal effect. Then the silt is discharged into the separation device through multiple groups of conveying pipes 4, and the silt is separated by the separation device and discharged outward, thereby improving the convenience of the device to automatically discharge silt, reducing the complexity of personnel disassembling and cleaning the device, and improving the working efficiency of the device. Example 2

[0024] On the basis of Example 1, Figure 2 As shown, the utility model of the cyclone sedimentation device for a sewage treatment plant, the stirring device comprises a second motor 12, a support shaft 13, a plurality of stirring blades 14 and a plurality of scrapers 15, the second motor 12 is mounted on the top of the tank body 2, the upper and lower ends of the support shaft 13 are rotatably mounted on the inner wall of the tank body 2, the output end of the second motor 12 is connected to the top of the support shaft 13, the plurality of stirring blades 14 are all mounted on the upper part of the outer wall of the support shaft 13, the plurality of scrapers 15 are all mounted on the lower part of the outer wall of the support shaft 13, and the plurality of scrapers 15 are in contact with the bottom of the inner wall of the tank body 2, and the bottom of the inner wall of the tank body 2 is set to be conical;

[0025] like Figure 2 As shown, the filtering device includes a box body 16 and a screen plate 17. The top of the box body 16 is provided with an opening, the bottom of the box body 16 is connected with the tank body 2, and the screen plate 17 is installed on the inner wall of the box body 16;

[0026] like Figure 2 As shown, it also includes a tank body 18, which is arranged below the filter screen 11;

[0027] like Figure 2 As shown, it also includes a handle 19, which is installed on the outer side wall of the screen plate 17;

[0028] like Figure 2 As shown, it also includes a connecting flange 20, which is arranged at the bottom of the tank body 2;

[0029] In this embodiment, multiple groups of conveying pipes 4 convey and discharge the silt at the bottom of the tank body 2 to the inside of the separation cylinder 6, and filter the silt through the filter screen 11, so that the sewage entering the separation cylinder 6 passes through the filter screen 11 and is discharged downward, thereby improving the solid-liquid separation effect. Then, by opening the closed door 7 and the first motor 10, the first motor 10 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the spiral blade 9 to rotate after the rotation, so that the spiral blade 9 discharges the silt in the separation cylinder 6 outward, thereby improving the convenience of the device to automatically discharge the silt. The support shaft 13 is driven to rotate by the second motor 12, so that the support shaft 13 drives multiple groups of stirring blades 14 and multiple groups of scrapers 15 to rotate. After the multiple groups of stirring blades 14 rotate, they stir the sewage in the tank body 2, thereby causing the silt in the sewage to settle downward. After the scraper 15 rotates, the silt deposited at the bottom of the tank body 2 is scraped away, and at the same time, the conical slope at the bottom of the tank body 2 is cooperated, thereby improving the convenience of the silt in the tank body 2 being discharged through the multiple groups of conveying pipes 4.

[0030] The utility model of the cyclone sedimentation device for a sewage treatment plant, when working, conveys the sewage to the inside of the tank body 2 through the filtering device, and then stirs the sewage in the tank body 2 through the stirring device. After the sewage generates a vortex, the edge of the water surface rises, and the sediment in the sewage is deposited downward due to the centrifugal effect, and then the sediment is discharged into the separation device through multiple groups of conveying pipes 4, and the sediment is separated by the separation device and discharged to the outside.

[0031] The first motor 10 and the second motor 12 of the cyclone sedimentation device of the sewage treatment plant of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in the field to make creative efforts.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A cyclone sedimentation device for a sewage treatment plant, comprising a bracket (1) and a tank body (2), wherein the bracket (1) is mounted on the outer wall of the tank body (2), and a water inlet is arranged at the top of the tank body (2); the device is characterized in that: It also comprises a separation device, a stirring device, a filtering device, a drainage pipe (3), a delivery pipe (4) and a valve (5); the drainage pipe (3) is arranged in communication with the upper part of the outer wall of the tank body (2); a plurality of sand discharge ports are arranged at the bottom end of the tank body (2); the top ends of the plurality of delivery pipes (4) are respectively connected to the plurality of sand discharge ports of the tank body (2); the bottom ends of the plurality of delivery pipes (4) are all connected to the separation device; the separation device is used to separate and discharge the sediment; the plurality of valves (5) are respectively arranged in communication with the outer wall of the delivery pipe (4); a stirring device is arranged in the tank body (2); the stirring device is used to stir the sewage; the filtering device is arranged at the water inlet of the tank body (2); the filtering device is used to filter large pieces of dirt in the sewage.

2. The cyclone sedimentation device for a sewage treatment plant as claimed in claim 1, characterized in that: The separation device comprises a separation cylinder (6), a closed door (7), a rotating shaft (8), a spiral blade (9), a first motor (10) and a filter screen (11); the bottom ends of the plurality of delivery pipes (4) are all connected to the separation cylinder (6); an opening is provided at the left end of the separation cylinder (6); the closed door (7) is mounted at the opening of the separation cylinder (6); the rotating shaft (8) is rotatably mounted on the inner wall of the separation cylinder (6); the spiral blade (9) is mounted on the outer wall of the rotating shaft (8); the first motor (10) is mounted on the outer wall of the separation cylinder (6); the output end of the first motor (10) is connected to the rotating shaft (8); and the filter screen (11) is arranged in communication with the bottom end of the separation cylinder (6).

3. The cyclone sand settling device for a sewage treatment plant as claimed in claim 1, characterized in that: The stirring device comprises a second motor (12), a support shaft (13), a plurality of groups of stirring blades (14) and a plurality of groups of scrapers (15); the second motor (12) is mounted on the top of the tank body (2); the upper and lower ends of the support shaft (13) are rotatably mounted on the inner wall of the tank body (2); the output end of the second motor (12) is connected to the top of the support shaft (13); the plurality of groups of stirring blades (14) are mounted on the upper part of the outer wall of the support shaft (13); the plurality of groups of scrapers (15) are mounted on the lower part of the outer wall of the support shaft (13); and the plurality of groups of scrapers (15) are in contact with the bottom of the inner wall of the tank body (2); and the bottom of the inner wall of the tank body (2) is configured to be conical.

4. The cyclone sand settling device for a sewage treatment plant as claimed in claim 1, characterized in that: The filtering device comprises a box body (16) and a screen plate (17); the top end of the box body (16) is provided with an opening; the bottom end of the box body (16) is connected to the inside of the tank body (2); and the screen plate (17) is mounted on the inner side wall of the box body (16).

5. The cyclone sedimentation device for a sewage treatment plant as claimed in claim 2, characterized in that: It also includes a tank body (18), which is arranged below the filter screen (11).

6. The cyclone sedimentation device for a sewage treatment plant as claimed in claim 4, characterized in that: It also includes a handle (19), which is mounted on the outer side wall of the screen plate (17).

7. The cyclone sedimentation device for a sewage treatment plant as claimed in claim 1, characterized in that: It also includes a connecting flange (20), which is arranged at the bottom of the tank body (2).

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