Circulating biological aerated filter with various biological membrane fillers

Abstract

The utility model belongs to the technical field of biological aerated filters, and particularly relates to a circulating biological aerated filter with various biological membrane fillers, which comprises a filter body sequentially provided with a plurality of storage spaces, and a filter part, a collecting tank and a water guide mechanism are sequentially mounted above the filter body from top to bottom. A plurality of feeding mechanisms capable of extending into the corresponding storage spaces are arranged above the filter part in parallel, the feeding mechanisms are used for conveying sludge generated in the storage spaces to the filter part, and the filter part is used for carrying out solid-liquid separation on the sludge; by additionally arranging the filter part, the collecting tank, the water guide mechanism and the feeding mechanism which are matched with one another, part of sludge and liquid in the storage space are guided into the collecting tank through the feeding mechanism and are subjected to solid-liquid separation through the filter part, and the separated liquid is guided into the storage space again through the water guide mechanism; and the circulating type automatic pollution discharge function of the equipment is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of aerated biological filters, and in particular relates to a circulating aerated biological filter with multiple biofilm fillers. Background Art

[0002] The aerated biological filter is composed of the tank body, water distribution system, filter plate, air distribution system, supporting layer, filter layer, backwash system and other parts.

[0003] In order to improve the purification effect, the existing aerated biological filter will put a variety of biofilm fillers in the filter to improve the purification effect. In order to avoid the mixing of various biofilm fillers, multiple layers of filter plates for separating the biofilm fillers are generally installed in the filter, resulting in the filter being divided into multiple storage spaces. The biofilm filler in each storage space will produce a large amount of sludge during use. Too much sludge will affect the purification effect. Due to the large number of storage spaces, it takes a long time and low efficiency to clean the sludge, which greatly reduces the practicability of the equipment. Utility Model Content

[0004] The utility model aims to provide a circulating aerated biological filter tank with various biofilm fillers to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating aerated biological filter with multiple biofilm fillers, comprising: a filter body with multiple storage spaces arranged in sequence, a filter element, a collecting tank and a water guiding mechanism are installed on the top of the filter body in sequence from top to bottom, a plurality of feeding mechanisms that can extend to the corresponding storage spaces are arranged in parallel above the filter element, the feeding mechanism is used to transfer the sludge generated in the storage space to the filter element, the filter element is used to separate the sludge into solid and liquid, and the water guiding mechanism is used to guide the separated liquid into one of the storage spaces.

[0006] Preferably, the filter element comprises a conveyor belt, a collecting tank is arranged in parallel on one side of the filter tank body, and one end of the conveyor belt extends obliquely upward in the collecting trough to above the collecting tank.

[0007] Preferably, the water guiding mechanism comprises a collecting hopper, the collecting hopper is connected and installed at the bottom of the collecting tank, and the bottom end of the collecting hopper is arranged above one of the storage spaces.

[0008] Preferably, the feeding mechanism includes a circulation pipe and a feed pump installed on the circulation pipe, the bottom end of each circulation pipe extends to the corresponding storage space, the top end of the circulation pipe is bent downward to have a bending portion, and the discharge end of the bending portion is arranged above the conveyor belt.

[0009] Preferably, a filter bin is provided on the top of the filter tank body, and a plurality of filter plates are longitudinally arranged at equal distances in the filter bin. The plurality of filter plates are used to evenly divide the filter bin into a plurality of filter spaces of uniform size, and each of the storage spaces is formed in the corresponding filter space. The filter spaces at both ends are respectively a water inlet transition bin and a clean water discharge bin. The filter tank body is provided with a water inlet pipe and a clean water pipe extending to the water inlet transition bin and the clean water discharge bin, respectively. One end of the collecting bucket is arranged above the water inlet transition bin.

[0010] Preferably, aeration plates for aeration are installed at the bottom of the plurality of filtration spaces, aeration pipes extending to the outside of the filter tank body are installed between the plurality of aeration plates, and an aerator is installed on the aeration pipe.

[0011] Preferably, the collecting tank is a box-like structure with an open top and the other five sides being sealed, and a support frame is installed between the bottom of the collecting tank and the top of the filter tank body.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model adds a filter element, a collection tank, a water guide mechanism and a feeding mechanism that cooperate with each other. The feeding mechanism guides part of the sludge and liquid in the storage space into the collection tank, and separates the solid and liquid through the filter element. The separated liquid is reintroduced into the storage space through the water guide mechanism, thereby realizing the function of automatic sewage discharge in a circulating manner.

[0014] (2) The utility model adds a conveyor belt, which can discharge the solid separated from the solid-liquid in the collection tank into the collection tank, thereby realizing automatic collection of sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a rear view of the utility model;

[0016] Figure 2 It is a partial cross-sectional view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the collecting tank, conveyor belt and water guide mechanism of the utility model;

[0018] In the figure: 1. collecting tank; 2. collecting trough; 3. conveyor belt; 4. circulation pipe; 5. collecting bucket; 6. support frame; 7. filter chamber; 8. water purification pipe; 9. filter plate; 10. aerator; 11. aeration pipe; 12. aeration disc; 13. water inlet pipe; 14. filter tank body; 15. feed pump. DETAILED DESCRIPTION

[0019] 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.

[0020] refer to Figure 1-2 As shown, the utility model provides a circulating aerated biological filter with multiple biofilm fillers, including: a filter body 14 with multiple storage spaces in sequence, a filter element, a collecting tank 2 and a water guide mechanism are installed on the filter body 14 from top to bottom, a plurality of feeding mechanisms that can extend to the corresponding storage spaces are arranged in parallel above the filter element, the feeding mechanism is used to transfer the sludge generated in the storage space to the filter element, the filter element is used to separate the sludge into solid and liquid, and the water guide mechanism is used to guide the separated liquid into one of the storage spaces.

[0021] As mentioned above, when using the filter body 14, filter element, water guiding mechanism, and feeding mechanism provided by the utility model, the filter body 14 can filter and purify sewage through a variety of biofilm fillers through multiple storage spaces. After the equipment has been used for a period of time, the feeding mechanism lifts part of the sewage and sludge in each storage space to the filter element, and separates the solid and liquid through the filter element. The separated liquid re-enters the storage space through the collection tank 2 and the water guiding mechanism, thereby realizing the automatic separation of sludge and sewage by the equipment.

[0022] Further, in order to allow the filter body 14 to have a variety of biofilm fillers, refer to Figure 2 As shown, a filter chamber 7 is provided on the top of the filter tank body 14, and a plurality of filter plates 9 are longitudinally provided at a medium distance in the filter chamber 7. The plurality of filter plates 9 are used to evenly divide the filter chamber 7 into a plurality of filter spaces of the same size, and each storage space is formed in a corresponding filter space. The filter spaces at both ends are respectively the water inlet transition chamber and the clean water discharge chamber. The filter tank body 14 is provided with a water inlet pipe 13 and a clean water pipe 8 extending to the water inlet transition chamber and the clean water discharge chamber respectively, and one end of the collecting bucket 5 is arranged above the water inlet transition chamber. The filter chamber 7 can be divided into a plurality of filter spaces of the same size in parallel by a plurality of filter plates 9, and different biofilm fillers can be stored in each filter space, so that the filter tank body 14 has a plurality of biofilm fillers to perform multiple filtrations on the sewage.

[0023] Further, in order to aerate each filter space, refer to Figure 1-2As shown, aeration plates 12 for aeration are installed at the bottom of the plurality of filter spaces, aeration pipes 11 extending to the outside of the filter tank body 14 are installed between the plurality of aeration plates 12, and an aerator 10 is installed on the aeration pipes 11. The aeration pipes 11 allow the plurality of aeration plates 12 to be connected to the aerator 10, so that aeration treatment is performed in each storage space, thereby improving the purification effect in each storage space.

[0024] Further, in order to facilitate the storage and collection of the solid-liquid separated liquid, refer to Figure 1-3 As shown, the collecting tank 2 is a box-shaped structure with an open top and the other five sides sealed, and a support frame 6 is installed between the bottom of the collecting tank 2 and the top of the filter tank body 14. The collecting tank 2 is suspended above the filter tank body 14 by the support frame 6, and the liquid and sludge overflowing from the conveyor belt 3 can be collected by the collecting tank 2 to prevent the sludge and liquid from polluting the surrounding environment.

[0025] In the present utility model, combined with Figure 1-3 As shown, the filter element of this embodiment includes a conveyor belt 3, and a collection tank 1 is arranged in parallel on one side of the filter tank body 14. One end of the conveyor belt 3 extends obliquely upward in the collection tank 2 to the top of the collection tank 1.

[0026] As mentioned above, when using the filter element provided by the utility model, the filter element is a conveyor belt 3, and the conveyor belt 3 is distributed upwardly in an inclined manner toward one end in the collecting tank 2. When sewage and sludge fall onto the conveyor belt 3, the conveyor belt 3 drives the driver to transport them upward. During this process, the sewage enters the collecting tank 2 by gravity, and the sludge is discharged from the collecting tank 2 through the conveyor belt 3 and is collected by the collecting tank 1.

[0027] In the present utility model, combined with Figure 1-3 As shown, the water guiding mechanism of this embodiment includes a collecting hopper 5, which is connected and installed at the bottom of the collecting tank 2, and the bottom end of the collecting hopper 5 is arranged above one of the storage spaces.

[0028] As mentioned above, when using the water guiding mechanism provided by the utility model, the water guiding mechanism includes a collecting bucket 5, and the collecting bucket 5 is convenient for reintroducing the liquid and part of the sludge in the collecting tank 2 into the storage space, so that the liquid can be reused.

[0029] In the present utility model, combined with Figure 1-2 As shown, the feeding mechanism of this embodiment includes a circulation pipe 4 and a feed pump 15 installed on the circulation pipe 4. The bottom end of each circulation pipe 4 extends to the corresponding storage space, and the top end of the circulation pipe 4 is bent downward with a bending portion, and the discharge end of the bending portion is arranged above the conveyor belt 3.

[0030] As mentioned above, when using the feeding mechanism provided by the utility model, one end of the circulation pipe 4 in the feeding mechanism is at the bottom of the storage space, and the other end is above the conveyor belt 3, and the discharge end of the circulation pipe 4 is downward, so that when the feed pump 15 is started, part of the sewage and sludge in the storage space is lifted to the conveyor belt 3, and the sludge is discharged outward through the conveyor belt 3, and the liquid automatically falls into the collection tank 2 by gravity, and re-enters the storage space through the collection bucket 5 on the collection tank 2.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circulating aerated biological filter with multiple biofilm fillers, It is characterized in that include: A filter tank body (14) is provided with a plurality of storage spaces in sequence, a filter element, a collecting tank (2) and a water guide mechanism are installed in sequence from top to bottom on the filter tank body (14), a plurality of feeding mechanisms which can extend to the corresponding storage spaces are arranged in parallel above the filter element, the feeding mechanisms are used to transfer sludge generated in the storage space to the filter element, the filter element is used to perform solid-liquid separation on the sludge, and the water guide mechanism is used to guide the separated liquid into one of the storage spaces.

2. A circulating aerated biological filter with multiple biofilm fillers according to claim 1, Features: The filter element comprises a conveyor belt (3), a collection tank (1) is arranged in parallel on one side of the filter tank body (14), and one end of the conveyor belt (3) extends obliquely upward in the collection tank (2) to the top of the collection tank (1).

3. A circulating aerated biological filter with multiple biofilm fillers according to claim 1, Features: The water guiding mechanism comprises a collecting hopper (5), the collecting hopper (5) is connected and installed at the bottom of the collecting tank (2), and the bottom end of the collecting hopper (5) is arranged above one of the storage spaces.

4. A circulating aerated biological filter with multiple biofilm fillers according to claim 1, Features: The feeding mechanism comprises a circulation pipe (4) and a feeding pump (15) installed on the circulation pipe (4), the bottom end of each circulation pipe (4) extends to the corresponding storage space, the top end of the circulation pipe (4) is bent downward to form a bent portion, and the discharge end of the bent portion is arranged above the conveyor belt (3).

5. A circulating aerated biological filter with multiple biofilm fillers according to claim 3, Features: A filter chamber (7) is provided on the top of the filter tank body (14), and a plurality of filter plates (9) are longitudinally arranged at a medium distance in the filter chamber (7). The plurality of filter plates (9) are used to evenly divide the filter chamber (7) into a plurality of filter spaces of uniform size. Each storage space is formed in a corresponding filter space. The filter spaces at both ends are respectively a water inlet transition chamber and a clean water discharge chamber. The filter tank body (14) is provided with a water inlet pipe (13) and a clean water pipe (8) extending to the water inlet transition chamber and the clean water discharge chamber respectively. One end of the collecting hopper (5) is arranged above the water inlet transition chamber.

6. A circulating aerated biological filter with multiple biofilm fillers according to claim 5, Features: Aeration plates (12) for aeration are installed at the bottom of the plurality of filtration spaces, aeration pipes (11) extending to the outside of the filter tank body (14) are installed between the plurality of aeration plates (12), and an aerator (10) is installed on the aeration pipe (11).

7. A circulating aerated biological filter with multiple biofilm fillers according to claim 1, Features: The collecting tank (2) is a box-shaped structure with an open top and the other five sides being sealed. A support frame (6) is installed between the bottom of the collecting tank (2) and the top of the filter tank body (14).

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