Floating bed biofilter with backwashing function

Abstract

The utility model discloses a floating bed biofilter with a backwashing function, which comprises a filter shell and a water guide pipe, the water guide pipe is arranged on one side of the filter shell, an inlet pipe is arranged at the top of the filter shell, a water storage cylinder is arranged outside the filter shell, and an annular pipe is arranged at the top end of the water storage cylinder. A water spraying pipe is arranged at one end of the annular pipe, a corrugated circular pipe is arranged at one end of the water spraying pipe, a lead screw is arranged in the filter shell, and through the arrangement of the annular pipe, the corrugated circular pipe, a straight plate, the lead screw, a flow guide disc and a circular ring, after a water pump is started, water stored in a water storage barrel is sprayed upwards through a plurality of flushing pipes and spraying assemblies; a circular ring and a spraying assembly are driven to move up and down at the same time, then the distance between a flushing pipe and the floating bed can be adjusted, when the distance between the flushing pipe and the floating bed is small, the impact force for cleaning the surface of the floating bed is large, and the practicability of the filter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of floating bed biological filters, in particular to a floating bed biological filter with a backwashing function. Background Art

[0002] The floating bed biofilter is a wastewater treatment system based on biological treatment, which is particularly suitable for industrial and urban sewage treatment. A floating bed is arranged inside the filter. The floating bed is located at the upper part of the filter. When the wastewater enters the bed, the water will encounter a series of buoyant particles (such as plastic particles with a density less than that of water) when flowing through the bed. The density of these small particles is smaller than that of water, so they can float on the water surface and adsorb the suspended solids and sediments in the water onto their own surface.

[0003] The floating bed will adsorb more dirt on its surface after a long period of time, and it is inconvenient to clean the floating bed. The solid suspended matter and sediment will clog the surface of the floating bed, thereby reducing the filtration area of ​​the wastewater and slowing down the filtration speed of the wastewater. Therefore, the solid suspended matter and sediment on the surface of the floating bed need to be cleaned from time to time, and the attached solid suspended matter and sediment are difficult to clean. Therefore, it is particularly important to design a floating bed biofilter with backwashing function. Utility Model Content

[0004] The purpose of the utility model is to provide a floating bed biofilter with a backwashing function to solve the problem proposed in the above background technology that suspended solids and sediments may clog the surface of the floating bed, thereby reducing the filtration area of ​​the wastewater and the attached suspended solids and sediments are difficult to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a floating bed biological filter with a backwashing function, comprising a filter housing and a water guide pipe, the water guide pipe is arranged on one side of the filter housing, the top of the filter housing is arranged with an inlet pipe, the outside of the filter housing is arranged with a water storage cylinder, the top of the water storage cylinder is arranged with an annular pipe, one end of the annular pipe is arranged with a water spray pipe, one end of the water spray pipe is arranged with a corrugated circular pipe, a screw rod is arranged inside the filter housing, one end of the screw rod is sleeved with a straight plate, a circular ring is arranged inside the filter housing, a spray assembly is arranged inside the filter housing, a plurality of flushing pipes are arranged on the surface of the circular ring, and a floating bed is arranged inside the filter housing.

[0006] As a preferred technical solution of the utility model, a micro motor is arranged on one side of the top of the filter housing, and the straight plate and one end of the screw rod are threadedly sleeved.

[0007] As a preferred technical solution of the utility model, the output shaft of the micro motor is transmission-connected to one end of the screw rod.

[0008] As a preferred technical solution of the utility model, a guide plate is provided at one end of the corrugated circular tube, a clamping sleeve is sleeved on one end of the guide plate, and one end of a plurality of flushing pipes are respectively fixedly and interlacedly connected with the surface of the ring.

[0009] As a preferred technical solution of the utility model, a plurality of flushing pipes are arranged at equal intervals, and one side of the straight plate is fixedly connected to one side of the clamping sleeve.

[0010] As a preferred technical solution of the present utility model, one side of the guide plate is fixedly interlaced with one side of the ring.

[0011] As a preferred technical solution of the utility model, a water pump is provided on one side of the annular tube, one end of the water spray pipe is fixedly connected with one end of the annular tube, and one side of the spray assembly is connected with one side of the circular ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model discloses a floating bed biological filter with a backwashing function. By arranging an annular tube, a corrugated circular tube, a straight plate, a screw rod, a guide plate and a circular ring, after starting the water pump, the water stored in the water storage cylinder will spray water upward through a plurality of flushing pipes and a spray assembly, so that the dirt on the surface of the floating bed can be backwashed. With the start-up of the micro motor, the straight plate is driven to move up and down at one end of the screw rod, so that under the action of the clamping sleeve, the circular ring and the spray assembly are driven to move up and down at the same time, and then the distance between the flushing pipe and the floating bed can be adjusted. When the distance between the two is small, the impact force on the cleaning of the floating bed surface is larger, thereby improving the practicability of the filter.

[0014] 2. The utility model discloses a floating bed biofilter with a backwashing function, which is provided with a water spray pipe, a clamping sleeve, a flushing pipe and a spray assembly. The clamping sleeve and one end of the guide plate are fixedly sleeved. With the rotation of the screw rod, the outer surface of the straight plate fits with the inner wall of the filter housing, and the straight plate can move up and down on one end of the screw rod, thereby transmitting force to the clamping sleeve. Since the corrugated circular tube is composed of foldable corrugated sheets, the corrugated circular tube will gradually extend and stretch as the clamping sleeve moves upward, thereby steadily driving the ring and the spray assembly to move upward. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2It is a partial side view structural schematic diagram of the utility model;

[0017] Figure 3 For the utility model Figure 2 The enlarged view of point A in the middle;

[0018] Figure 4 It is a partial front view structural schematic diagram of the utility model.

[0019] In the figure: 1. filter housing; 2. water guide pipe; 3. water storage cylinder; 4. annular pipe; 5. water pump; 6. water spray pipe; 7. corrugated circular pipe; 8. clamping sleeve; 9. straight plate; 10. screw rod; 11. micro motor; 12. guide plate; 13. ring; 14. flushing pipe; 15. spray assembly; 16. inlet pipe. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution of a floating bed biofilter with backwashing function:

[0022] Embodiment 1:

[0023] like Figure 1-3 As shown, a floating bed biofilter with a backwashing function comprises a filter housing 1 and a water guide pipe 2, the water guide pipe 2 is arranged on one side of the filter housing 1, an inlet pipe 16 is arranged on the top of the filter housing 1, a water storage cylinder 3 is arranged outside the filter housing 1, an annular pipe 4 is arranged on the top of the water storage cylinder 3, a water spray pipe 6 is arranged at one end of the annular pipe 4, a corrugated circular pipe 7 is arranged at one end of the water spray pipe 6, a screw rod 10 is arranged inside the filter housing 1, a straight plate 9 is sleeved on one end of the screw rod 10, a circular ring 13 is arranged inside the filter housing 1, a spray assembly 15 is arranged inside the filter housing 1, a plurality of flushing pipes 14 are arranged on the surface of the circular ring 13, a floating bed is arranged inside the filter housing 1, driving the straight plate 9 to move up and down at one end of the screw rod 10, so that under the action of the clamping sleeve 8, the circular ring 13 and the spray assembly 15 will be driven to move up and down at the same time, and then the distance between the flushing pipe 14 and the floating bed can be adjusted. When the distance between the two is small, the impact force on the cleaning of the floating bed surface is large, thereby improving the practicality of the filter.

[0024] Embodiment 2:

[0025] Based on the first embodiment, Figure 1 and Figure 4 As shown, a guide plate 12 is provided at one end of the corrugated circular tube 7, and a clamping sleeve 8 is provided at one end of the guide plate 12. One ends of several flushing pipes 14 are respectively fixedly inserted and connected with the surface of the circular ring 13. A water pump 5 is provided on one side of the annular tube 4. One end of the water spray pipe 6 is fixedly inserted and connected with one end of the annular tube 4. One side of the spray assembly 15 is inserted and connected with one side of the circular ring 13. The utility model provides a floating bed biofilter with a backwashing function. The water spray pipe 6, the clamping sleeve 8, the flushing pipe 14 and the spray assembly 15 are provided. The clamping sleeve 8 and one end of the guide plate 12 are fixedly sleeved. With the rotation of the screw rod 10, since the outer surface of the straight plate 9 fits with the inner wall of the filter housing 1, the straight plate 9 can move up and down on one end of the screw rod 10, thereby transmitting force to the clamping sleeve 8.

[0026] Working principle: The floating bed biofilter is a wastewater treatment system based on biological treatment, which is particularly suitable for industrial and urban sewage treatment. A floating bed is arranged inside the filter. The floating bed is located on the upper part of the filter. When the wastewater enters the bed, it will encounter a series of buoyant particles when flowing through the bed. The density of these small particles is smaller than that of water, so they can float on the water surface and adsorb the suspended solids and sediments in the water onto their own surface. The floating bed will adhere to more dirt on its surface after a long period of adsorption of suspended solids and sediments, and the floating bed is difficult to clean. The floating bed is relatively inconvenient, and the solid suspended matter and sediment will clog the surface of the floating bed, thereby reducing the filtration area of ​​the wastewater and slowing down the filtration speed of the wastewater. Therefore, the solid suspended matter and sediment on the surface of the floating bed need to be cleaned from time to time, and the attached solid suspended matter and sediment are relatively laborious to clean. At this time, the water storage cylinder 3 is connected to an external water source. After the water pump 5 is started, the water in the water storage cylinder 3 will first be guided to the inside of the corrugated circular pipe 7 through the annular pipe 4 and the water spray pipe 6, and then guided to the inside of the guide plate 12. The water stored in the water storage cylinder 3 will pass through several flushing The washing pipe 14 and the spray assembly 15 spray water upward, so that the dirt on the surface of the floating bed can be backwashed. After the solid suspended matter and sediment are washed down by the water, it is convenient for the subsequent staff to pick up and collect the suspended matter and sediment. With the start of the micro motor 11, the straight plate 9 is driven to move up and down at one end of the screw rod 10, so that under the action of the clamping sleeve 8, the ring 13 and the spray assembly 15 will be driven to move up and down at the same time, and then the distance between the washing pipe 14 and the floating bed can be adjusted. When the distance between the two is small, the impact force on the cleaning of the floating bed surface is relatively large. The cleaning quality of the floating bed is improved, and the practicality of the filter is improved. The clamping sleeve 8 and one end of the guide plate 12 are fixedly sleeved. As the screw 10 rotates, the outer surface of the straight plate 9 fits the inner wall of the filter housing 1, and the straight plate 9 can move up and down on one end of the screw 10, thereby transmitting the force to the clamping sleeve 8. Since the corrugated circular tube 7 is composed of foldable corrugated sheets, as the clamping sleeve 8 moves upward, the corrugated circular tube 7 will gradually extend and stretch, and can also steadily drive the ring 13 and the spray assembly 15 to move upward.

[0027] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] 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 floating bed biofilter with backwashing function, comprising a filter housing (1) and a water conduit (2), wherein the water conduit (2) is arranged on one side of the filter housing (1), and characterized in that: The top of the filter housing (1) is provided with an inlet pipe (16), the outside of the filter housing (1) is provided with a water storage cylinder (3), the top of the water storage cylinder (3) is provided with an annular pipe (4), one end of the annular pipe (4) is provided with a water spray pipe (6), one end of the water spray pipe (6) is provided with a corrugated circular pipe (7), the inside of the filter housing (1) is provided with a screw rod (10), one end of the screw rod (10) is sleeved with a straight plate (9), the inside of the filter housing (1) is provided with a circular ring (13), the inside of the filter housing (1) is provided with a spray assembly (15), the surface of the circular ring (13) is provided with a plurality of flushing pipes (14), and the inside of the filter housing (1) is provided with a floating bed.

2. The floating bed biofilter with backwashing function according to claim 1, characterized in that: A micro motor (11) is provided on one side of the top of the filter housing (1), and the straight plate (9) and one end of the screw rod (10) are threadedly sleeved.

3. A floating bed biofilter with backwashing function according to claim 2, characterized in that: The output shaft of the micro motor (11) is drivingly connected to one end of the screw rod (10).

4. The floating bed biofilter with backwashing function according to claim 1, characterized in that: A guide plate (12) is provided at one end of the corrugated circular tube (7), a clamping sleeve (8) is sleeved on one end of the guide plate (12), and one end of a plurality of flushing pipes (14) are respectively fixedly connected to the surface of the circular ring (13).

5. The floating bed biofilter with backwashing function according to claim 4, characterized in that: The flushing pipes (14) are arranged at equal intervals, and one side of the straight plate (9) is fixedly connected to one side of the clamping sleeve (8).

6. The floating bed biofilter with backwashing function according to claim 4, characterized in that: One side of the guide plate (12) is fixedly interlaced with one side of the circular ring (13).

7. The floating bed biofilter with backwashing function according to claim 1, characterized in that: A water pump (5) is provided on one side of the annular tube (4), one end of the water spray pipe (6) is fixedly connected to one end of the annular tube (4), and one side of the spray assembly (15) is connected to one side of the circular ring (13).

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