Active filtering structure for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an active filtering structure for sewage treatment, which is characterized in that an active filtering cylinder is provided with an upper opening and a lower opening, the upper opening of the active filtering cylinder is provided with a dispersed filtering cylinder, and the middle of the upper part of the dispersed filtering cylinder is provided with a sewage treatment inlet; the lower portion of the sewage treatment inlet is communicated with a dispersing pipeline, the lower portion of the sewage treatment inlet is detachably provided with a filtering assembly, a fixed screen plate is arranged at a lower port of the active filtering cylinder, U-shaped connecting pieces are arranged on the two sides of the fixed screen plate, the U-shaped connecting pieces are clamped on the wall of the active filtering cylinder and fixed through fixing bolts B, and activated carbon is placed on the upper portion of the fixed screen plate. The movable screen plate is arranged on the upper portion of the activated carbon, the limiting assembly is arranged on the upper end face of the fixed screen plate, the movable screen plate and the activated carbon are limited, sewage entering is dispersed and filtered through the dispersing pipeline and the filtering assembly, the position of the activated carbon is limited through the limiting assembly and the movable screen plate, and the filtering efficiency is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment field, specifically speaking, it is a kind of active filter structure of sewage treatment. BACKGROUND

[0002] Sewage treatment is the process that is purified to sewage to meet the water quality requirement when being discharged into a certain water body or reused, active filtration is needed in the sewage treatment process, and it mainly plays the role of removing pollutants, when the existing active filter structure carries out activated carbon filtration, sundries in sewage is easily attached to the surface of activated carbon, thereby leading to uneven active filtration, activated carbon is easily scattered, leading to poor active filtration effect, and it is not convenient to replace activated carbon regularly, therefore, how to overcome the technical problems and defects existing in the above becomes the problem that needs to be solved. SUMMARY

[0003] The application purpose of the utility model is to overcome the defects described in the background art, so as to realize a kind of active filter structure of sewage treatment with the advantages of convenient replacement of activated carbon and good filtration effect.

[0004] To realize the application purpose described above, the technical scheme of the utility model is as follows: a kind of active filter structure of sewage treatment, including active filter cylinder, the active filter cylinder is set to the shape of upper and lower end opening, and active filter cylinder upper portion port is provided with dispersion filter cylinder, the dispersion filter cylinder upper portion middle is provided with sewage treatment inlet, and the sewage treatment inlet lower portion is communicated with dispersion pipeline, and the lower portion is detachably provided with filter assembly, and active filter cylinder lower portion port is provided with fixed net plate, and the both sides of fixed net plate are provided with U-shaped connecting piece, the U-shaped connecting piece is clamped on the wall body of active filter cylinder, and fixed bolt B is fixed on active filter cylinder by passing through U-shaped connecting piece, and activated carbon is placed on the upper portion of fixed net plate, and movable net plate is arranged on the upper portion of activated carbon, and limiting assembly is arranged on the upper end surface of fixed net plate, so as to limit movable net plate and activated carbon.

[0005] Further, the dispersion filter cylinder includes upper cylinder and lower cylinder, the size of the upper cylinder is equal to that of the active filter cylinder, and the upper cylinder is clamped on the upper end surface of the wall body of the active filter cylinder, the size of the lower cylinder is smaller than that of the active filter cylinder, and the lower cylinder is clamped inside the active filter cylinder, so as to separate the dispersion filter cylinder from the active filter cylinder, thereby taking out the dispersion filter cylinder.

[0006] Further, the filter assembly includes filter screen, and the both sides of the filter screen are provided with connecting plate, and fixed bolt A is fixed on the inner wall of the lower cylinder by passing through the connecting plate, after separating the lower cylinder from the active filter cylinder, the filter screen is disassembled by disassembling the fixed bolt A, so as to realize the role of regularly cleaning the filter screen.

[0007] Further, the dispersion pipeline is arranged in an umbrella shape, sewage enters from the sewage treatment inlet, is evenly dispersed on the filter screen plate through the dispersion pipeline, the filter screen plate can filter the sewage and further disperse the sewage, and the sewage falls through the screen holes of the filter screen plate.

[0008] Further, the limiting assembly comprises limiting baffle plates arranged in the left-right direction and middle partition plates arranged in the front-back direction, the middle partition plates are between the adjacent limiting baffle plates, gaps exist between the middle partition plates and the limiting baffle plates on the two sides, the limiting assembly further comprises limiting plates arranged on the upper part of the movable screen plate, the limiting plates are arranged on the two sides of the corresponding limiting baffle plates, limiting rubbers are arranged on the inner sides of the limiting plates, the limiting rubbers are in contact with the limiting baffle plates to increase the friction, and the clamping of the limiting baffle plates and the limiting plates is in the gaps between the middle partition plates and the limiting baffle plates on the two sides, so that the movable screen plate is limited, the movable carbon is clamped between the movable screen plate and the fixed screen plate and is not easy to shake and change position, the movable carbon is limited in each small space by the limiting baffle plates and the middle partition plates, so that the position of the movable carbon is prevented from changing greatly and the uniformity of active filtration is affected, and the filtering effect is good.

[0009] Further, the height of the middle partition plate is consistent with the height of the movable carbon, the position of the movable carbon in the horizontal direction can be limited, and the movable screen plate and the fixed screen plate do not affect the limiting of the movable carbon in the vertical direction.

[0010] Further, a drainage main pipe is arranged on the upper part of the sewage treatment inlet, drainage branch pipes A and B are connected to the drainage main pipe in a branched manner, valves are arranged on the drainage branch pipes A and B, the other ends of the drainage branch pipes A and B are communicated with the sewage treatment inlet through corrugated hoses, at least two sewage treatment active filtration structures are arranged, and the sewage treatment active filtration structures are communicated with the drainage branch pipes A and B, when a filtration assembly or active carbon of one sewage treatment active filtration structure needs to be replaced, the valve corresponding to the sewage treatment active filtration structure is closed, the valve of another sewage treatment active filtration structure is opened, and the other sewage treatment active filtration structure starts to work.

[0011] The sewage treatment active filtration structure has the following beneficial effects:

[0012] 1. The sewage treatment active filtration structure comprises an active filtration cylinder body, a fixed screen plate arranged at the lower part of the active filtration cylinder body, a movable screen plate arranged on the upper part of the active carbon, and a limiting assembly arranged on the upper end surface of the fixed screen plate, the fixed screen plate is fixed on the active filtration cylinder body through a U-shaped connecting piece and a fixed bolt B, the active carbon is placed on the upper part of the fixed screen plate, the movable screen plate is arranged on the upper part of the active carbon, and the limiting assembly is arranged on the upper end surface of the fixed screen plate to limit the movable screen plate and the active carbon, when the active carbon needs to be replaced, the fixed bolt B is disassembled, the fixed screen plate is taken out, the movable screen plate is taken off, the active carbon is poured out, and new active carbon is replaced, so that the operation is convenient.

[0013] 2.The active filter structure for sewage treatment of the utility model, set up movable net board and fixed net board will movable carbon be sandwiched in the middle and not easy to sway, movable net board and fixed net board carry out the spacing of movable carbon in vertical direction, each spacing baffle and intermediate partition plate will movable carbon be restricted in each small space, can carry out the spacing of movable carbon position in horizontal direction, thereby avoid movable carbon position change greatly, influence the uniformity of active filtration, and the filtering effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view structure schematic diagram of the active filter structure for sewage treatment of the utility model;

[0015] Figure 2 It is Figure 1 The enlarged structure schematic diagram of A in it;

[0016] Figure 3 It is the fixed net board overhead position relation structure schematic diagram of the active filter structure for sewage treatment of the utility model;

[0017] Figure 4 It is the fixed net board and movable net board position relation left view structure schematic diagram of the active filter structure for sewage treatment of the utility model.

[0018] In the drawing: 1-drainage main pipe, 21-drainage branch pipe A, 22-drainage branch pipe B, 3-valve, 23-corrugated hose;

[0019] Dispersed filter cylinder: 31-upper cylinder, 311-sewage treatment inlet, 32-lower cylinder;

[0020] 4-dispersed pipeline;

[0021] Filter assembly: 51-filter net board, 52-connection plate, 53-fixed bolt A;

[0022] 6-active filter cylinder; 71-fixed net board, 72-U-shaped connecting piece, 73-fixed bolt B, 8-movable net board;

[0023] Spacing assembly: 91-limiting plate, 92-limiting rubber pad, 93-limiting baffle, 94-intermediate partition plate;

[0024] 10-movable carbon. DETAILED DESCRIPTION

[0025] The active filter structure for sewage treatment of the utility model is described in more detail below in combination with the drawings and through specific implementation manners.

[0026] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.

[0027] Referring to Figures 1-4 The active filter structure for sewage treatment of the embodiment comprises an active filter cylinder 6, which is arranged in an open shape at the upper and lower ends, and a dispersion filter cylinder is arranged at the upper end of the active filter cylinder 6, wherein the dispersion filter cylinder comprises an upper cylinder 31 and a lower cylinder 32, the size of the upper cylinder 31 is equal to that of the active filter cylinder 6, and the upper cylinder 31 is clamped on the upper end face of the wall of the active filter cylinder 6, and the size of the lower cylinder 32 is smaller than that of the active filter cylinder 6, and the lower cylinder 32 is clamped in the active filter cylinder 6, so that the dispersion filter cylinder can be separated from the active filter cylinder 6, and the dispersion filter cylinder can be taken out.

[0028] Referring to Figure 1 The upper middle part of the dispersion filter cylinder is provided with a sewage treatment inlet 311, and a dispersion pipeline 4 is communicated with the lower part of the sewage treatment inlet 311, wherein the dispersion pipeline 4 is arranged in an umbrella-shaped structure, sewage enters from the sewage treatment inlet 311, and a filter assembly is detachably arranged at the lower part, wherein the filter assembly comprises a filter screen plate 51, and connecting plates 52 are arranged on both sides of the filter screen plate 51, and the connecting plates 52 are fixed on the inner wall of the lower cylinder 32 through fixing bolts A53, after the lower cylinder 32 and the active filter cylinder 6 are separated, the filter screen plate 51 is disassembled by disassembling the fixing bolts A53, and the filter screen plate 51 can be cleaned regularly. The filter screen plate 51 can uniformly disperse on the filter screen plate 51 through the dispersion pipeline 4, and can further disperse the sewage through the filter screen plate 51 and fall through the mesh of the filter screen plate 51.

[0029] Referring to Figures 1-4The lower end of the active filter cylinder 6 is provided with a fixed mesh plate 71, and the two sides of the fixed mesh plate 71 are provided with U-shaped connectors 72 which are clamped on the wall of the active filter cylinder 6, and the U-shaped connectors 72 are fixed on the active filter cylinder 6 through fixed bolts B73. The active carbon 10 is placed on the upper part of the fixed mesh plate 71, and the upper part of the active carbon 10 is provided with a movable mesh plate 8. The upper end surface of the fixed mesh plate 71 is provided with a limiting assembly for limiting the movable mesh plate 8 and the active carbon 10. The limiting assembly includes left and right limiting baffles 93 and a middle partition plate 94 arranged in the front and back direction, and the middle partition plate 94 is between the adjacent limiting baffles 93. There is a gap between the middle partition plate 94 and the limiting baffles 93 on both sides. The limiting assembly further includes a limiting plate 91 arranged on the upper part of the movable mesh plate 8. The limiting plate 91 is arranged on the two sides corresponding to the limiting baffles 93, and a limiting rubber 92 is arranged on the inner side of the limiting plate 91. The limiting rubber 92 and the limiting baffles 93 are in contact to increase the friction. The clamping of the limiting baffles 93 and the limiting plate 91 is in the gap between the middle partition plate 94 and the limiting baffles 93 on both sides, thereby limiting the movable mesh plate 8. The movable mesh plate 8 and the fixed mesh plate 71 sandwich the active carbon in the middle and are not easy to shake, change position, and each limiting baffle 93 and the middle partition plate 94 limit the active carbon in each small space, thereby avoiding the position of the active carbon 10 from changing greatly, affecting the uniformity of the active filtration, and achieving good filtration effect. The height of the middle partition plate 94 is consistent with the height of the active carbon, which can limit the position of the active carbon in the horizontal direction, and does not affect the limiting of the active carbon by the movable mesh plate 8 and the fixed mesh plate 71 in the vertical direction.

[0030] Referring to Figure 1 The upper part of the sewage treatment inlet 311 is provided with a drainage main pipe 1, and the drainage main pipe 1 is connected with a drainage branch pipe A21 and a drainage branch pipe B22 through diversion, and a valve 3 is arranged on the drainage branch pipe A21 and the drainage branch pipe B22. The other ends of the drainage branch pipe A21 and the drainage branch pipe B22 are communicated with the sewage treatment inlet 311 through corrugated hoses 23. The corrugated hoses 23 are provided to facilitate the replacement of the filter mesh plate 51. At least two active filtration structures for sewage treatment are arranged and are communicated with the drainage branch pipe A21 and the drainage branch pipe B22, respectively. When the filter assembly or the active carbon 10 of one active filtration structure needs to be replaced, the valve 3 corresponding to the active filtration structure is closed, and the valve 3 of another active filtration structure is opened, and the other active filtration structure starts to work. The size of the drainage main pipe 1 and the size of the drainage branch pipe A21 and the drainage branch pipe B22 are not standard according to the drawings, but are set according to actual needs. If the amount of sewage is too large, multiple active filtration structures can work at the same time, and multiple active filtration structures can be connected together to perform multiple active filtration on the sewage.

[0031] The principle and method of using the embodiment: in use, open the valve 3 on the drainage branch pipe A21, sewage enters the sewage treatment inlet 311 from the drainage branch pipe A21, and then is uniformly dispersed on the filter screen plate 51 through the dispersion pipe 4. The filter screen plate 51 can filter the sewage and continue to disperse the sewage, which falls through the filter screen plate 51 mesh and uniformly falls on the activated carbon 10 between the movable screen plate 8 and the fixed screen plate 71. The activated carbon 10 performs active filtration on the falling sewage, and the filtered sewage passes through the movable screen plate 8 and the fixed screen plate 71 and is discharged from the lower part of the active filter cylinder 6.

[0032] When the filter screen plate 51 needs to be cleaned, the dispersion filter cylinder is pulled upward, the corrugated hose 23 is shortened, the lower cylinder 32 and the active filter cylinder 6 are separated, the filter screen plate 51 is disassembled by disassembling the fixed bolt A53, and the filter screen plate 51 is periodically cleaned.

[0033] When the activated carbon 10 needs to be replaced, the fixed bolt B73 is disassembled, the fixed screen plate 71 is taken out, the movable screen plate 8 is taken out, the activated carbon 10 is poured out, the new activated carbon 10 is replaced, the movable screen plate 8 is correspondingly clamped on the limiting baffle 93, and the fixed screen plate 71 and the upper structure are fixed on the active filter cylinder 6 by the fixed bolt B73.

[0034] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the usual meaning understood by a person skilled in the art to which the present application belongs. The application file of the present application uses "one" or "a" and the like similar words, which do not necessarily mean quantity limitation. The words "include" or "contain" and the like similar words mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, without excluding other elements or objects. The words "connect" or "connect" and the like similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect.

[0035] The exemplary embodiments of the present application are described in detail above with reference to the preferred embodiments, however, those skilled in the art can understand that various modifications and improvements can be made to the above specific embodiments without departing from the concept of the present application, and various combinations of the technical features and structures proposed by the present application can be made without exceeding the protection scope of the present application.

Claims

1. An activated filtration structure for wastewater treatment, comprising an activated filtration cylinder, characterized in that: The activated filter cylinder is designed with openings at both the top and bottom. A dispersion filter cylinder is located at the upper port of the activated filter cylinder. A sewage treatment inlet is located in the middle of the upper part of the dispersion filter cylinder. A dispersion pipe is connected to the lower part of the sewage treatment inlet. A filter assembly is detachably installed at the lower part. A fixed mesh plate is located at the lower port of the activated filter cylinder. U-shaped connectors are located on both sides of the fixed mesh plate. The U-shaped connectors are snapped onto the wall of the activated filter cylinder and fixed to the activated filter cylinder by fixing bolts B passing through the U-shaped connectors. Activated carbon is placed on the upper part of the fixed mesh plate. A movable mesh plate is located on the upper part of the activated carbon. A limit component is provided on the upper surface of the fixed mesh plate to limit the movement of the movable mesh plate and the activated carbon.

2. The activated filtration structure for wastewater treatment according to claim 1, characterized in that: The dispersion filter cylinder includes an upper cylinder and a lower cylinder. The upper cylinder is the same size as the active filter cylinder and is fitted onto the upper end face of the active filter cylinder wall. The lower cylinder is smaller than the active filter cylinder and is fitted inside the active filter cylinder.

3. The activated filtration structure for wastewater treatment according to claim 2, characterized in that: The filter assembly includes a filter screen plate, and connecting plates are provided on both sides of the filter screen plate. The filter screen plate is fixed to the inner wall of the lower cylinder by fixing bolts A passing through the connecting plates.

4. The activated filtration structure for wastewater treatment according to claim 3, characterized in that: The dispersion pipe is configured as an umbrella-shaped structure, and sewage enters from the sewage treatment inlet and is evenly dispersed on the filter screen through the dispersion pipe.

5. The activated filtration structure for wastewater treatment according to claim 1, characterized in that: The limiting assembly includes limiting baffles arranged in the left-right direction and intermediate partitions arranged in the front-back direction. The intermediate partitions are located between adjacent limiting baffles, and there is a gap between the intermediate partitions and the two side limiting baffles. It also includes limiting plates arranged on the upper part of the movable mesh plate. The limiting plates are located on both sides of the corresponding limiting baffles, and limiting rubber is provided on the inner side of the limiting plates. The limiting rubber contacts the limiting baffles, and the limiting baffles are engaged in the gap between the intermediate partitions and the two side limiting baffles.

6. The activated filtration structure for wastewater treatment according to claim 5, characterized in that: The height of the middle partition is the same as the height of the movable carbon.

7. The activated filtration structure for wastewater treatment according to any one of claims 1-6, characterized in that: A main drain pipe is installed above the sewage treatment inlet. The main drain pipe is branched into drain pipe A and drain pipe B. Valves are installed on drain pipe A and drain pipe B. The other ends of drain pipe A and drain pipe B are connected to the sewage treatment inlet through corrugated hoses. At least two activated filtration structures for sewage treatment are provided, which are respectively connected to drain pipe A and drain pipe B.

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