Biological aerated filter

Abstract

The utility model discloses a biological aerated filter, which belongs to the technical field of sewage treatment and comprises a filter body, suspended filler balls are filled on the inner side of the filter body, and a filler layer is mounted on the inner side of the filter body and positioned above the suspended filler balls. A filter plate assembly is mounted on the inner side of the filter tank main body and above the filler layer, a water outlet pipe is arranged obliquely above the filter tank main body, a water inlet pipe is mounted on one side of the filter tank main body, and a water conveying pipe is arranged obliquely above the water inlet pipe; according to the utility model, through the arrangement of the capacity-adjusting purification device, a worker can adjust the overall capacity of the filter tank to a certain extent through the matching of structures such as the lead screw and the lifting cylinder as required, so that the working requirements under different conditions can be better met; and a worker can treat peculiar smell brought by sewage to a certain degree through cooperation of structures such as a net-shaped box and activated carbon when needed, so that the working capacity of the filter tank is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field, concretely relates to a biological aerated filter. BACKGROUND

[0002] Sewage treatment: for making sewage reach the water quality requirement of being discharged into a water body or being used again, carries out the process of purification.

[0003] Chinese patent application number 201822188096.5 discloses a kind of high-efficiency biological aerated filter, including filter main part, the inner cavity side wall of filter main part is opened with first ladder groove and second ladder groove from bottom to top, a plurality of threaded columns are fixedly connected on second ladder groove, filter main part is fixed with filler layer at first ladder groove, suspended filler ball is filled in the inner cavity of the lower end of filter main part at filler layer, water filter plate is fixedly connected with the clamping of filter main part at second ladder groove, water filter plate includes fixed frame and filter plate, filter plate is fixedly connected in the inner cavity of fixed frame.The utility model can realize the disassembly of water filter plate, installation and fixed, to facilitate cleaning water filter plate, can also efficiently filter sewage, ensure the filtration efficiency of sewage;Through the suspended filler ball filled in the inner cavity bottom end of filter main part runs in suspended state, can efficiently cut water gas, increase water distribution uniformity, improve oxygen utilization, so as to save cost.

[0004] 1, the above-mentioned published patent has the problems of inconveniently adjusting the overall capacity of filter pool when needed and inconveniently treating odor brought by sewage when needed, thereby reducing the working capacity of filter pool;2, the above-mentioned published patent has the problem that when there may be large impurities in sewage, it cannot be treated, thereby easily leading to phenomena such as blockage, thereby reducing the practicality of filter pool. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background art, the utility model provides a kind of biological aerated filter, with the characteristics of high working capacity and strong practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of biological aerated filter, including filter main body, the inner side of filter main body is filled with suspended filler ball, filler layer is installed at the position of the inner side of filter main body and above suspended filler ball, filter plate assembly is installed at the position of the inner side of filter main body and above filler layer, outlet pipe is arranged in the oblique upper side of filter main body, inlet pipe is installed on one side of filter main body, water delivery pipe is arranged in the oblique upper side of inlet pipe, filter main body and outlet pipe are connected by capacity-adjusting purification device, inlet pipe and water delivery pipe are connected by filtration treatment device.

[0007] Preferably, the capacity-adjusting and purifying device comprises a fixed plate, a lifting plate, a lead screw, a purifying assembly and a lifting cylinder, the fixed plate is installed on one side of the filter tank body and above the water inlet pipe, the lead screw is installed above the fixed plate through a bearing, the lifting plate is installed on the outer side of the lead screw through a thread, the lifting cylinder is installed between the lifting plate and the water outlet pipe and on the outer side of the filter tank body, and the purifying assembly is installed above the lifting cylinder.

[0008] Preferably, the shape and size of the cross section of the outer side of the filter tank body are the same as the shape and size of the cross section of the inner side of the lifting cylinder.

[0009] Preferably, the purifying assembly comprises a mesh box, a mesh plate and activated carbon, the mesh box is installed above the lifting cylinder, the mesh box is filled with activated carbon on the inner side, and the mesh plate is installed on the mesh box through a hinge.

[0010] Preferably, the filtering treatment device comprises a connecting box, a moving cylinder, a filter screen, a screw rod and a blocking block, the water inlet pipe and the water outlet pipe are connected through the connecting box, the screw rod is installed on the side of the connecting box away from the filter tank body through a thread, the moving cylinder is installed on one side of the screw rod and in the inner side of the connecting box through a bearing, the filter screen is installed in the moving cylinder, and the blocking block is installed on the top of the connecting box and on the side of the water outlet pipe through a thread.

[0011] Preferably, the height of the inner top surface of the connecting box is equal to the height of the outer top surface of the moving cylinder.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a filter tank, which comprises a filter tank body, a water inlet pipe, a water outlet pipe and a filter screen, the filter tank body is installed on the water inlet pipe and the water outlet pipe, and the filter screen is installed on the filter tank body.

[0014] 2、The utility model discloses a filter tank, which comprises a filter tank body, a water inlet pipe, a water outlet pipe and a filter screen, the filter tank body is installed on the water inlet pipe and the water outlet pipe, and the filter screen is installed on the filter tank body. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a perspective view of the utility model;

[0017] Figure 3 It is the three-dimensional section view of the filter treatment device of the utility model.

[0018] Figure 4 It is the three-dimensional section view of the filter treatment device of the utility model.

[0019] In the drawing: 1, filter main body;2, filler layer;3, water outlet pipe;4, filter plate assembly;5, capacity adjusting and purifying device;51, fixed plate;52, lifting plate;53, screw;54, purifying assembly;541, net box;542, net plate;543, activated carbon;55, lifting cylinder;6, water delivery pipe;7, filter treatment device;71, connecting box;72, moving cylinder;73, filter screen;74, screw;75, blockage block;8, water inlet pipe;9, suspended filler ball. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment 1

[0021] Please refer to Figures 1-4 The utility model provides the following technical scheme: an aerated biological filter, including filter main body 1, the inside of filter main body 1 is filled with suspended filler ball 9, the inside of filter main body 1 and the position of being located above suspended filler ball 9 are installed with filler layer 2, the inside of filter main body 1 and the position of being located above filler layer 2 are installed with filter plate assembly 4, the oblique upper side of filter main body 1 is provided with water outlet pipe 3, one side of filter main body 1 is installed with water inlet pipe 8, the oblique upper side of water inlet pipe 8 is provided with water delivery pipe 6, filter main body 1 and water outlet pipe 3 are connected through capacity adjusting and purifying device 5, water inlet pipe 8 and water delivery pipe 6 are connected through filter treatment device 7.

[0022] Specifically, capacity adjusting and purifying device 5 includes fixed plate 51, lifting plate 52, screw rod 53, purifying assembly 54 and lifting cylinder 55, one side of filter main body 1 and the position of being located above water inlet pipe 8 are installed with fixed plate 51, the upper side of fixed plate 51 is installed with screw rod 53 through bearing, the outside of screw rod 53 is installed with lifting plate 52 through thread, lifting cylinder 55 is installed between lifting plate 52 and water outlet pipe 3 and the position of being located outside filter main body 1, and purifying assembly 54 is installed above lifting cylinder 55.

[0023] Through the above technical scheme, the staff can adjust the overall capacity of the filter tank when needed through the cooperation of the lead screw 53 and the lifting cylinder 55 and the like, so as to better meet the work needs in different situations.

[0024] Specifically, the shape and size of the outer cross section of the filter tank main body 1 are the same as the shape and size of the inner cross section of the lifting cylinder 55.

[0025] Through the above technical scheme, the filter tank can ensure that the outer side of the filter tank main body 1 and the inner side of the lifting cylinder 55 are mutually fitted, thereby preventing the lifting cylinder 55 from rotating and deviating during movement, and preventing accidental leakage.

[0026] Specifically, the purification assembly 54 includes a mesh box 541, a mesh plate 542, and activated carbon 543. The mesh box 541 is installed above the lifting cylinder 55, the inner side of the mesh box 541 is filled with activated carbon 543, and the mesh plate 542 is installed above the mesh box 541 through a hinge.

[0027] Through the above technical scheme, the staff can process the odor brought by the sewage when needed through the cooperation of the mesh box 541 and the activated carbon 543 and the like, thereby reducing the possibility of adverse effects on surrounding personnel caused by the odor.

[0028] When the biological aerated filter is needed during use of the present embodiment, the staff can rotate the lead screw 53 in the capacity-adjusting and purifying device 5. The lead screw 53 is threadedly connected with the lifting plate 52, is bearing-connected with the fixed plate 51, and the inner side of the lifting cylinder 55 on the lifting plate 52 is mutually fitted with the outer side of the filter tank main body 1. Therefore, the lead screw 53 drives the lifting plate 52 and the lifting cylinder 55 to move, so as to adjust the overall capacity of the filter tank. Then, the sewage enters the filter tank main body 1 from the water inlet pipe 6 and the water inlet pipe 8, and the suspended filler balls 9, the filler layer 2, and the filter plate assembly 4 process the sewage. Then, the sewage is discharged from the water outlet pipe 3, so as to be used. The activated carbon 543 in the mesh box 541 in the purification assembly 54 can purify the odor brought by the sewage, and the staff can open the mesh plate 542 to replace the activated carbon 543. Embodiment 2

[0029] The embodiment differs from embodiment 1 in that the filtering device 7 comprises a connecting box 71, a moving cylinder 72, a filter screen 73, a screw rod 74 and a blocking block 75, the water inlet pipe 8 is connected to the water delivery pipe 6 through the connecting box 71, the screw rod 74 is installed on the side of the connecting box 71 away from the filter tank body 1 through screwing, the moving cylinder 72 is installed on one side of the screw rod 74 and inside the connecting box 71 through a bearing, the filter screen 73 is installed inside the moving cylinder 72, and the blocking block 75 is installed on the top of the connecting box 71 and on the side of the water delivery pipe 6 through screwing.

[0030] By adopting the above technical scheme, the staff can filter the sewage that may contain large impurities through the cooperation of the moving cylinder 72 and the filter screen 73 and other structures when needed, thereby reducing the possibility of blockage and other phenomena.

[0031] Specifically, the height of the inner top surface of the connecting box 71 is equal to the height of the outer top surface of the moving cylinder 72.

[0032] By adopting the above technical scheme, the filter tank can ensure that the inner top surface of the connecting box 71 and the outer top surface of the moving cylinder 72 are in close contact with each other, thereby preventing the moving cylinder 72 from rotating and deviating during movement and ensuring normal work.

[0033] When large impurities may exist in the sewage during use of the embodiment, the staff can rotate the screw rod 74 in the filtering device 7, the screw rod 74 is connected to the connecting box 71 through screwing, the screw rod 74 is connected to the moving cylinder 72 through a bearing, and the inner top surface of the connecting box 71 and the outer top surface of the moving cylinder 72 are in close contact with each other, so the screw rod 74 drives the moving cylinder 72 to move below the water delivery pipe 6, the sewage falls into the moving cylinder 72 after passing through the water delivery pipe 6, and then enters the water inlet pipe 8 after being filtered by the filter screen 73, thereby reducing the possibility of blockage and other phenomena, when no further filtering is needed, the staff can rotate the screw rod 74 in the opposite direction, so that the moving cylinder 72 moves away from below the water delivery pipe 6 to below the blocking block 75, the filtering stops, and the staff can remove the blocking block 75 to clean the inside of the moving cylinder 72.

[0034] The structure and principle of the filter tank main body 1, the upper structure, the filler layer 2, the water outlet pipe 3, the filter plate assembly 4 composed of a fixed frame, a filter plate, a through hole, a threaded column and a nut, the water delivery pipe 6, the water inlet pipe 8 and the suspended filler ball 9 have been disclosed in a high-efficiency biological aerated filter with Chinese patent application No. 201822188096.5, and the working principle is that when the filter tank main body is used, the manual valves on the water inlet pipe and the water outlet pipe are opened, the water inlet pipe of the filter tank main body is connected to the sewage pipe first, at this time, the sewage enters the filter tank main body, the sewage is impacted by the suspended filler ball and is stirred, the water and gas are efficiently cut, the water distribution uniformity is increased, the oxygen utilization rate is improved, and the microbial membrane on the filler layer filters the sewage, and the clean water at the top end of the filter tank main body is discharged from the water outlet pipe; when the water filter plate needs to be replaced or cleaned, the nut on the threaded column is unscrewed, and then the water filter plate is disassembled for cleaning or replacing the water filter plate; when the sludge in the inner cavity of the filter tank main body needs to be cleaned, the water filter plate is disassembled first, and then the filler layer is disassembled, and finally the sludge in the filter tank main body can be cleaned.

[0035] The working principle and use process of the utility model are as follows: when the biological aerated filter needs to be used, the staff can rotate the screw rod 53 in the container adjusting and purifying device 5, the screw rod 53 is in threaded connection between the lifting plate 52, the screw rod 53 is in bearing connection between the fixed plate 51, and the inner side of the lifting cylinder 55 on the lifting plate 52 is mutually attached to the outer side of the filter tank main body 1, so the screw rod 53 drives the lifting plate 52 and the lifting cylinder 55 to move, thereby adjusting the overall capacity of the filter tank, and then the sewage enters the filter tank main body 1 from the water delivery pipe 6 and the water inlet pipe 8, the suspended filler ball 9, the filler layer 2 and the filter plate assembly 4 treat the sewage, and then the sewage is discharged from the water outlet pipe 3, thereby being used, the activated carbon 543 in the mesh box 541 in the purifying assembly 54 can purify the peculiar smell brought by the sewage, and the staff can open the mesh plate 542 to replace the activated carbon 543; when there may be larger impurities in the sewage, the staff can rotate the screw rod 74 in the filter treatment device 7, the screw rod 74 is in threaded connection between the connecting box 71, the screw rod 74 is in bearing connection between the moving cylinder 72, and the inner top surface of the connecting box 71 and the outer top surface of the moving cylinder 72 are mutually attached, so the screw rod 74 drives the moving cylinder 72 to move to the lower side of the water delivery pipe 6, when the sewage passes through the water delivery pipe 6, it will fall into the moving cylinder 72, and then it enters the water inlet pipe 8 after being filtered by the filter screen 73, thereby reducing the possibility of phenomena such as blockage, when it is not necessary to continue filtering, the staff can reversely rotate the screw rod 74, so that the moving cylinder 72 moves away from the lower side of the water delivery pipe 6 to the lower side of the blockage block 75, the filtering stops, and the staff can unscrew the blockage block 75 to clean the inside of the moving cylinder 72.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An aerated biological filter, comprising a filter main body (1), the inside of the filter main body (1) being filled with suspended filler balls (9), a filler layer (2) being installed at a position on the inside of the filter main body (1) and above the suspended filler balls (9), a filter plate assembly (4) being installed at a position on the inside of the filter main body (1) and above the filler layer (2), a water outlet pipe (3) being arranged obliquely above the filter main body (1), a water inlet pipe (8) being installed on one side of the filter main body (1), and a water delivery pipe (6) being arranged obliquely above the water inlet pipe (8), characterized in that: The filter pool body (1) is connected with the water outlet pipe (3) through the capacity adjusting and purifying device (5), and the water inlet pipe (8) is connected with the water conveying pipe (6) through the filtering treatment device (7); The capacity adjusting and purifying device (5) comprises a fixed plate (51), a lifting plate (52), a lead screw (53), a purifying assembly (54) and a lifting cylinder (55), the fixed plate (51) is installed on one side of the filter pool body (1) and above the water inlet pipe (8), the lead screw (53) is installed above the fixed plate (51) through a bearing, the lifting plate (52) is installed on the outer side of the lead screw (53) through a thread, the lifting cylinder (55) is installed between the lifting plate (52) and the water outlet pipe (3) and on the outer side of the filter pool body (1), and the purifying assembly (54) is installed above the lifting cylinder (55).

2. The biological aerated filter according to claim 1, characterized in that: The shape and size of the cross section of the outer side of the filter pool body (1) are the same as those of the inner side of the lifting cylinder (55).

3. The biological aerated filter of claim 1 wherein: The purifying assembly (54) comprises a mesh box (541), a mesh plate (542) and activated carbon (543), the mesh box (541) is installed above the lifting cylinder (55), the activated carbon (543) is filled in the inner side of the mesh box (541), and the mesh plate (542) is installed above the mesh box (541) through a hinge.

4. The biological aerated filter of claim 1 wherein: The filtering treatment device (7) comprises a connecting box (71), a moving cylinder (72), a filter screen (73), a screw rod (74) and a blocking block (75), the water inlet pipe (8) is connected with the water conveying pipe (6) through the connecting box (71), the screw rod (74) is installed on the edge of the side of the connecting box (71) away from the filter pool body (1) through a thread, the moving cylinder (72) is installed on one side of the screw rod (74) and inside the connecting box (71) through a bearing, the filter screen (73) is installed in the inner side of the moving cylinder (72), and the blocking block (75) is installed on the top of the connecting box (71) and on the side of the water conveying pipe (6) through a thread.

5. A biological aerated filter according to claim 4, characterised in that: The height of the inner top surface of the connecting box (71) is equal to that of the outer top surface of the moving cylinder (72).

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