Basket filter blowdown device of aerobic tank

Abstract

The utility model discloses a basket type filter blowdown device of aerobic pool, relates to blowdown device technical field, including: filter body, support and collection tray, the bottom wall of collection tray is fixedly equipped with the support, the top of support is equipped with filter body, the outer wall of collection tray is equipped with sewage pipe through, the sewage pipe passes through the bottom wall of collection tray. A second blow-down valve is arranged on the sewage pipe, and a liquid level sensor is installed on the outer wall of the collecting tray in a penetrating mode. By installing the collecting tray, sewage flows out and is collected by the collecting tray in the process of removing the cover plate and taking out the lifting basket, the liquid level sensor detects the water quantity in the collecting tray, and when the sewage quantity exceeds the liquid level sensor, the audible and visual alarm gives an alarm to prompt a worker to open the second blow-down valve in time, so that the work efficiency is improved. The sewage in the collection tray flows into the aerobic tank along the drainage pipe, so that the effect of completely collecting the sewage is achieved, and the phenomenon that the overflowed sewage pollutes the ground when the filter body is cleaned is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage discharge devices, in particular to a sewage discharge device of a basket filter of an aerobic pool. Background Art

[0002] When the aerobic pool is circulating with the anoxic pool, there are impurities in the sludge in the aerobic pool. A basket filter is usually used to filter the impurities. After the basket filter has been used for a long time, the internal basket mesh will be clogged, and the impurities in the filter need to be cleaned regularly. However, when the upper cover of the existing basket filter is opened to remove the basket and the sewage outlet, the overflowing sewage will flow on the ground, causing ground pollution. Therefore, a basket filter sewage discharge device is needed to avoid ground pollution caused by sewage outflow during the cleaning of the basket filter.

[0003] In the patent document CN211273783U, the main consideration is how to reduce the frequency of cleaning the filter core, and the problem that the sewage flowing out during the filter disassembly and cleaning process will pollute the ground is not taken into account. Utility Model Content

[0004] The utility model aims to provide a basket filter sewage discharge device for an aerobic pool, so as to solve the technical problem that sewage overflowing from the filter cleaning process mentioned in the background technology will flow on the ground and cause ground pollution.

[0005] To achieve the above object, the utility model provides the following technical solution: a basket filter sewage discharge device for an aerobic pool, comprising: a filter body, a bracket and a collection tray, wherein the bottom wall of the collection tray is fixedly mounted with the bracket, the top of the bracket is mounted with the filter body, and the bracket provides support for the filter body;

[0006] A sewage pipe is installed through the outer wall of the filter body, and a sewage valve 1 is arranged on the sewage pipe. A sewage pipe is installed through the outer wall of the collecting tray, and the right end of the sewage pipe is connected with the outer wall of the sewage pipe, and a sewage valve 2 is arranged on the sewage pipe. A liquid level sensor is installed through the outer wall of the collecting tray, and the liquid level sensor is located above the sewage pipe. A controller is installed on the outer wall of the collecting tray, and the controller is located in front of the sewage pipe. An audible and visual alarm is arranged on the outer wall of the controller, and the audible and visual alarm is electrically connected to the controller and the liquid level sensor.

[0007] Preferably, a basket is detachably mounted on the inner wall of the filter body for filtering impurities.

[0008] Preferably, a water inlet and a water outlet are provided through the outer wall of the filter body, and the water outlet is located on the right side of the water inlet.

[0009] Preferably, a support frame is installed on the top of the bracket, and the inner wall of the support frame is in contact with the outer wall of the filter body, and the support frame is used to provide support for the filter body.

[0010] Preferably, the inner wall of the collection tray is slidably connected to a scraper, the inner wall of the scraper is slidably connected to a telescopic plate, a protective frame is fixedly installed on the top of the scraper, an electric push rod is installed on the inner wall of the protective frame, and the telescopic end of the electric push rod passes through the inner wall of the protective frame and is connected to the outer wall of the telescopic plate, a connecting frame is installed on the top of the scraper, and the connecting frame is located on one side of the protective frame, and the inner wall of the connecting frame is slidably connected to the outer wall of the collection tray, the connecting frame is sleeved on the outer wall of the screw rod, and the left end of the screw rod is connected to the output end of the servo motor.

[0011] Preferably, a mounting frame is installed on the outer wall of the scraper, a nozzle is installed through the bottom of the mounting frame, a water supply pipe is connected through the top of the mounting frame, and a water supply valve is provided on the water supply pipe.

[0012] Preferably, the scrapers are installed in two groups, and the front side of the front scraper is slidably connected to the front side of the inner wall of the collecting tray, the back side of the rear scraper is slidably connected to the back side of the inner wall of the collecting tray, and the bottoms of the scraper and the telescopic plate are both in contact with the bottom wall of the collecting tray.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is equipped with a collection tray, a liquid level sensor and a sewage pipe. When the filter body is blocked, sewage will flow out during the process of removing the cover plate and taking out the basket. The sewage will be collected by the collection tray under the filter body. The water volume inside the collection tray is detected by the liquid level sensor. When the sewage volume exceeds the liquid level sensor, the controller controls the sound and light alarm to sound an alarm, prompting the staff to open the second sewage valve in time, so that the sewage in the collection tray flows into the aerobic pool along the drainage pipe, so as to achieve the effect of collecting all the sewage and avoid the phenomenon of ground pollution caused by overflowing sewage when cleaning the filter body;

[0015] 2. The utility model is equipped with a scraper, a telescopic plate and a nozzle. After the sewage in the collection tray flows out, the water supply valve is opened, water is pumped by the water pump, and water is supplied to the installation frame through the inner wall of the water supply pipe. Clean water is sprayed along the nozzle to the bottom wall of the collection tray to clean the collection tray. The water pump and the water supply valve are closed, and the servo motor is turned on to drive the screw rod to rotate. The scraper and the telescopic plate are driven to slide to the right through the connecting frame to scrape and clean the inside of the collection tray. A small amount of clean water is used to rinse the collection tray, and the scraper and the telescopic plate are used to scrape and clean the inner wall of the collection tray, which is convenient to reduce ground cleaning and avoid cleaning waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a front structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the screw rod part of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the scraper part of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the installation frame of the utility model;

[0021] Figure 6 This is the circuit connection diagram of the liquid level sensor of the utility model.

[0022] In the figure: 1. filter body; 2. bracket; 3. collecting tray; 4. drain pipe; 5. drain valve 1; 6. sewage pipe; 7. drain valve 2; 8. liquid level sensor; 9. controller; 10. sound and light alarm; 11. support frame; 12. basket; 13. water inlet; 14. water outlet; 15. scraper; 16. telescopic plate; 17. protective frame; 18. electric push rod; 19. connecting frame; 20. screw rod; 21. servo motor; 22. installation frame; 23. nozzle; 24. water supply pipe; 25. water supply valve. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 and Figure 2 , a basket filter sewage discharge device for an aerobic pool, comprising: a basket 12 is detachably mounted on the inner wall of a filter body 1 for filtering impurities, a water inlet 13 and a water outlet 14 are penetrated through the outer wall of the filter body 1, and the water outlet 14 is located on the right side of the inlet, and the water inlet 13 and the water outlet 14 are symmetrically distributed on both sides of the basket 12, an upper cover is detachably connected to the top of the filter body 1 by bolts, a handle is installed on the top of the upper cover for easy movement of the upper cover, a support frame 11 is installed on the top of the bracket 2, and the inner wall of the support frame 11 is in contact with the outer wall of the filter body 1, the support frame 11 is used to provide support for the filter body 1, and the support frame 11 is located below the water inlet 13 and the water outlet 14.

[0027] See also Figure 1 , Figure 2 and Figure 6 , a basket filter sewage discharge device for an aerobic pool, comprising: a filter body 1, a bracket 2 and a collecting tray 3, the bottom wall of the collecting tray 3 is fixedly mounted with the bracket 2, the lower half of the bracket 2 is cylindrical, the upper half of the bracket 2 is truncated, and the bracket 2 is mounted at the center of the bottom wall of the collecting tray 3, the filter body 1 is mounted on the top of the bracket 2, and the bracket 2 provides support for the filter body 1;

[0028] A sewage pipe 4 is installed through the outer wall of the filter body 1, and the sewage pipe 4 is close to the bottom wall of the filter body 1. The bottom end of the sewage pipe 4 extends into the aerobic tank. A sewage valve 5 is provided on the sewage pipe 4. The sewage valve 5 is used to control the opening or closing state of the sewage pipe 4. A sewage pipe 6 is installed through the outer wall of the collection tray 3. The drainage pipe is located near the bottom wall of the collection tray 3, and the right end of the sewage pipe 6 is connected to the outer wall of the sewage pipe 4. A sewage valve 2 7 is provided on the sewage pipe 6. The sewage valve 2 7 is used to control the sewage pipe 6 is in the open or closed state, the collecting tray 3, the sewage pipe 4, the sewage pipe 6, the sewage valve 1 5, and the sewage valve 2 7 are all made of stainless steel. A liquid level sensor 8 is installed through the outer wall of the collecting tray 3, and the liquid level sensor 8 is located above the sewage pipe 6. A controller 9 is installed on the outer wall of the collecting tray 3, and the controller 9 includes a control circuit, and the controller 9 is located in front of the sewage pipe 6. An audible and visual alarm 10 is arranged on the outer wall of the controller 9, and the audible and visual alarm 10 is electrically connected to the controller 9 and the liquid level sensor 8;

[0029] Furthermore, when the filter body 1 is clogged, first open the drain valve 5 to release the internal pressure of the filter body 1. After the pressure is released, the cover plate on the top of the filter body 1 can be removed, and the basket 12 in the filter body 1 can be taken out. During the process of removing the cover plate, sewage will flow out and will be collected by the collecting tray 3 under the filter body 1. The water volume inside the collecting tray 3 is detected by the liquid level sensor 8. When the sewage volume exceeds the liquid level sensor 8, the controller 9 controls the sound and light alarm 10 to sound an alarm, prompting the staff to open the drain valve 7 in time, so that the sewage in the collecting tray 3 flows into the aerobic tank along the drain pipe, so as to achieve the effect of collecting all the sewage and avoid the phenomenon of ground pollution caused by overflowing sewage when cleaning the filter body 1.

[0030] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 , a basket filter sewage discharge device for an aerobic pool, comprising: a scraper 15 is slidably connected to the inner wall of the collection tray 3, and a telescopic plate 16 is slidably connected to the inner wall of the scraper 15. The scraper 15 is installed in two groups, and the front of the front scraper 15 is slidably connected to the front of the inner wall of the collection tray 3, and the back of the rear scraper 15 is slidably connected to the back of the inner wall of the collection tray 3. The bottoms of the scraper 15 and the telescopic plate 16 are both in contact with the bottom wall of the collection tray 3. A protective frame 17 is fixedly installed on the top of the scraper 15, and an electric push rod 18 is installed on the inner wall of the protective frame 17, and the telescopic end of the electric push rod 18 passes through the inner wall of the protective frame 17 and is connected to the outer wall of the telescopic plate 16. A connecting frame 19 is installed on the top of the scraper 15, and the connecting frame 19 is located on one side of the protective frame 17, and the inner wall of the connecting frame 19 is slidably connected to the outer wall of the collection tray 3, and the connecting frame 19 is sleeved on the outer wall of the screw rod 20, and the left end of the screw rod 20 is connected to the output end of the servo motor 21;

[0031] The outer wall of the scraper 15 is installed with a mounting frame 22, and a nozzle 23 is installed through the bottom of the mounting frame 22. The number of installation groups of the nozzles 23 is several groups, and the nozzles 23 are arranged obliquely downward, and are used to spray water to the bottom wall of the collection tray 3. The top of the mounting frame 22 is connected with a water supply pipe 24, and the end of the water supply pipe 24 away from the mounting frame 22 is connected to the water outlet pipe of the water pump, and the water inlet pipe of the water pump is connected to the tap water pipe, or extends to the water tank. A water supply valve 25 is arranged on the water supply pipe 24, and the water supply valve 25 is used to supply water to the mounting frame 22;

[0032] After the sewage in the collection tray 3 flows out, the water supply valve 25 is opened, and water is pumped through the water pump to supply water to the installation frame 22 through the inner wall of the water supply pipe 24. The clean water is sprayed toward the bottom wall of the collection tray 3 along the nozzle 23 to clean the collection tray 3. The water pump and the water supply valve 25 are closed, and the servo motor 21 is turned on to drive the screw rod 20 to rotate, and the scraper 15 and the telescopic plate 16 are driven to slide to the right through the connecting frame 19 to scrape and clean the inside of the collection tray 3. When the telescopic plate 16 moves to fit the left outer wall of the bracket 2, the electric push rod 18 is shortened and the telescopic plate 16 is pulled back to the inner wall of the scraper 15. Then the scraper 15 continues to move to the right. When the scraper 15 moves to the right side of the bracket 2, the electric push rod 18 is extended to push the telescopic plate 16 to move. The outer walls of the two sets of telescopic plates 16 that are close to each other fit together, and then the scraper 15 is moved to drive the telescopic plate 16 to slide to the right to clean the inner wall of the collection tray 3.

[0033] Working principle: When a basket filter drainage device for an aerobic pool is used, the collecting tray 3 is installed on one side of the aerobic pool, and the bottom end of the drainage pipe 4 is extended into the aerobic pool. When the filter body 1 is blocked, the drainage valve 1 5 is first opened to release the internal pressure of the filter body 1. After the pressure is released, the cover plate on the top of the filter body 1 can be removed, and the basket 12 in the filter body 1 can be taken out. During the process of removing the cover plate, sewage flows out and is collected by the collecting tray 3 under the filter body 1. The water volume inside the collecting tray 3 is detected by the liquid level sensor 8. When the sewage volume exceeds the liquid level sensor 8, the controller 9 controls the sound and light alarm 10 to sound an alarm, prompting the staff to open the drainage valve 2 7 in time, so that the sewage in the collecting tray 3 flows into the aerobic pool along the drainage pipe, so as to achieve the effect of collecting all the sewage, avoid the phenomenon that the overflowing sewage causes ground pollution when cleaning the filter body 1, and use a small amount of clean water to rinse the collecting tray 3, and use the scraper 15 and the telescopic plate 16 to scrape and clean the inner wall of the collecting tray 3, so as to reduce ground cleaning and avoid cleaning waste.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A basket filter sewage discharge device for an aerobic pool, characterized in that: include: A filter body (1), a bracket (2) and a collection tray (3), wherein the bracket (2) is fixedly mounted on the bottom wall of the collection tray (3), the filter body (1) is mounted on the top of the bracket (2), and the bracket (2) provides support for the filter body (1); A sewage pipe (4) is installed through the outer wall of the filter body (1), and a sewage valve (5) is provided on the sewage pipe (4). A sewage pipe (6) is installed through the outer wall of the collection tray (3), and the right end of the sewage pipe (6) is connected to the outer wall of the sewage pipe (4). A sewage valve (7) is provided on the sewage pipe (6). A liquid level sensor (8) is installed through the outer wall of the collection tray (3), and the liquid level sensor (8) is located above the sewage pipe (6). A controller (9) is installed on the outer wall of the collection tray (3), and the controller (9) is located in front of the sewage pipe (6). An audible and visual alarm (10) is provided on the outer wall of the controller (9), and the audible and visual alarm (10) is electrically connected to the controller (9) and the liquid level sensor (8).

2. The basket filter sewage discharge device for an aerobic pool according to claim 1, characterized in that: A basket (12) is detachably mounted on the inner wall of the filter body (1) for filtering impurities.

3. The basket filter sewage discharge device for an aerobic pool according to claim 1, characterized in that: A water inlet (13) and a water outlet (14) are provided through the outer wall of the filter body (1), and the water outlet (14) is located on the right side of the inlet.

4. The basket filter sewage discharge device for an aerobic pool according to claim 1, characterized in that: A support frame (11) is installed on the top of the bracket (2), and the inner wall of the support frame (11) is in contact with the outer wall of the filter body (1), and the support frame (11) is used to provide support for the filter body (1).

5. The basket filter sewage discharge device for an aerobic pool according to claim 1, characterized in that: The inner wall of the collection tray (3) is slidably connected to a scraper (15), and the inner wall of the scraper (15) is slidably connected to a telescopic plate (16). A protective frame (17) is fixedly installed on the top of the scraper (15). An electric push rod (18) is installed on the inner wall of the protective frame (17), and the telescopic end of the electric push rod (18) passes through the inner wall of the protective frame (17) and is connected to the outer wall of the telescopic plate (16). A connecting frame (19) is installed on the top of the scraper (15), and the connecting frame (19) is located on one side of the protective frame (17). The inner wall of the connecting frame (19) is slidably connected to the outer wall of the collection tray (3). The connecting frame (19) is sleeved on the outer wall of the screw rod (20), and the left end of the screw rod (20) is connected to the output end of the servo motor (21).

6. The basket filter sewage discharge device for an aerobic pool according to claim 5, characterized in that: The outer wall of the scraper (15) is installed with a mounting frame (22), the bottom of the mounting frame (22) is penetrated by a nozzle (23), the top of the mounting frame (22) is penetrated by a water supply pipe (24), and the water supply pipe (24) is provided with a water supply valve (25).

7. The basket filter sewage discharge device for an aerobic pool according to claim 5, characterized in that: The scrapers (15) are installed in two groups, and the front side of the front scraper (15) is slidably connected to the front side of the inner wall of the collection tray (3), and the back side of the rear scraper (15) is slidably connected to the back side of the inner wall of the collection tray (3), and the bottoms of the scraper (15) and the telescopic plate (16) are both in contact with the bottom wall of the collection tray (3).

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