Barrier type biological membrane sewage treatment bed

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a barrier type biological membrane sewage treatment bed which comprises a box body, an aeration head and a barrier type filtering mechanism, one end of the box body is provided with a water inlet pipe, and the other end is provided with an overflow port; the input end of the aeration head is connected with an external aerator through a hose; the barrier type filtering mechanism consists of a bracket and a plurality of groups of filtering components which are uniformly mounted on the bracket. According to the sewage treatment device, sewage needing to be treated is conveniently gathered through the box body, then the sewage is intensively treated through the barrier type filtering mechanism, the sewage treatment device is convenient to use, and structural adjustment does not need to be carried out according to the environment where raw sewage is located; by arranging the driving mechanism, multiple groups of filtering mechanisms in the barrier type filtering mechanism can be conveniently driven to reciprocate in a staggered manner, so that the effect of stirring the sewage is achieved, the activity of microorganisms on the filtering assembly is improved, the microorganisms on the filtering assembly can sufficiently and quickly treat and purify pollutants in the sewage, and the sewage treatment efficiency is further improved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically a grid-type biofilm wastewater treatment bed. Background Technology

[0002] Biofilm wastewater treatment involves attaching microorganisms to the surface of a carrier. As wastewater flows through the carrier, pollutants are decomposed through the adsorption of organic nutrients, the diffusion of oxygen into the biofilm, and biological oxidation within the biofilm.

[0003] Chinese Patent Publication No. CN116177725B discloses a hollow fiber composite biofilm wastewater treatment device. This invention provides a hollow fiber composite biofilm wastewater treatment device that can more fully and thoroughly purify wastewater in rivers using the hollow fiber composite biofilm, effectively improving wastewater treatment efficiency. A pump sprays wastewater onto a collection frame, allowing the wastewater to fully contact with air and the hollow fiber composite biofilm, providing oxygen to the microorganisms, increasing their activity, and enabling them to fully and quickly process and purify pollutants in the wastewater, thereby treating the wastewater in the river.

[0004] However, the above-mentioned publicly available solutions have the following shortcomings: the above-mentioned biofilm wastewater treatment equipment needs to be placed in the river when in use, and the manufacturing size needs to be adapted to the river to fully achieve the filtration effect, which has certain limitations in use. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a grid-type biofilm wastewater treatment bed.

[0006] The technical solution of this utility model is as follows: A grid-type biofilm wastewater treatment bed includes a tank with an inlet pipe installed at one end and an overflow port at the top of the other end, on which a filter screen is detachably installed; an aeration head located at the bottom of the tank, with its input end connected to an external aerator via a flexible hose; and a grid-type filtration mechanism consisting of a support frame and multiple sets of filter components evenly installed on the support frame. Each filter component consists of a first biofilm body installed on one side of the support frame and multiple sets of second biofilm bodies evenly installed on the support frame. The multiple sets of second biofilm bodies are arranged side by side with the first biofilm body, and gaps are provided between the first biofilm body and the second biofilm body, as well as between two adjacent sets of second biofilm bodies. The bottom ends of the first biofilm body and the second biofilm body are in contact with the bottom of the tank. The first biofilm body and the second biofilm body have different sizes but the same structure.

[0007] Preferably, multiple sets of sliding rods are evenly installed at the top of the support, and a connecting seat is provided at the top of the second biofilm body, with the top of the connecting seat connected to the sliding rod; a vertical plate is provided on the side wall of the support, and the first biofilm body is connected to the vertical plate by bolts.

[0008] Preferably, the two corresponding first biofilm bodies in two adjacent filter components are staggered.

[0009] Preferably, the outer wall of the enclosure is provided with a drive mechanism, which consists of a protective box installed on the outer wall of the enclosure, multiple sets of partitions evenly installed inside the protective box, and a drive assembly disposed between corresponding sets of partitions.

[0010] Preferably, multiple sets of sliding rods are provided for connecting brackets. The sliding rods pass through the side wall of the box and are slidably connected to the box. The corresponding two sets of sliding rods are driven by corresponding drive components to move back and forth along the box for adjustment.

[0011] Preferably, the drive assembly includes a rotating rod driven to rotate by a stepper motor mounted on the protective box, the rotating rod being L-shaped; a sliding plate slidably connected between two corresponding sets of partitions, the sliding plate having a clearance opening, the bottom end of the rotating rod being rotatably connected to the clearance opening; a gear rotatably connected to the protective box via a rotating shaft, the gear being located below the sliding plate; and two sets of sliding blocks, the two sets of sliding blocks being slidably connected to the bottom end of the protective box, the two corresponding sets of sliding rods being respectively mounted on the corresponding sliding blocks, both sets of sliding blocks having toothed plates, the two sets of toothed plates being meshed with the side walls of the gear, one set of sliding blocks having a connecting rod mounted at the top, the top end of the connecting rod being connected to the bottom end of the sliding plate.

[0012] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: This utility model facilitates the collection of sewage to be treated through the box, and then treats the sewage in a centralized manner through the grid-type filter mechanism, which is more convenient to use and does not require structural adjustment according to the environment of the original sewage; the setting of the drive mechanism facilitates the repeated movement of multiple filter mechanisms in the grid-type filter mechanism, thereby achieving the effect of stirring the sewage, improving the activity of microorganisms on the filter components, allowing the microorganisms on the filter components to fully and quickly treat and purify pollutants in the sewage, and further improving the sewage treatment efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the internal structure of the box of this utility model;

[0014] Figure 2 This is a schematic diagram of the grid-type filter mechanism of this utility model;

[0015] Figure 3 This is a top view of the grid-type filter mechanism and bracket installation method of this utility model;

[0016] Figure 4 This is a schematic diagram of the drive mechanism structure of this utility model.

[0017] Reference numerals in the attached drawings: 1. Box body; 101. Inlet pipe; 102. Overflow port; 103. Filter screen; 2. Aeration head; 3. Support; 301. Vertical plate; 4. Protective box; 401. Partition plate; 5. Rotating rod; 501. Slide plate; 502. Clearance port; 503. Slide seat; 504. Gear; 505. Connecting rod; 6. Slide rod; 601. Connecting seat; 7. First biofilm body; 8. Second biofilm body. Detailed Implementation

[0018] Example 1

[0019] like Figures 1 to 3 As shown, the present invention proposes a grid-type biofilm wastewater treatment bed, comprising a tank 1, an aeration head 2, and a grid-type filtration mechanism; an inlet pipe 101 is installed at one end of the tank 1, and an overflow port 102 is provided at the top of the other end, on which a filter screen 103 is detachably installed; the aeration head 2 is located at the bottom of the tank 1, and the input end of the aeration head 2 is connected to an external aerator via a flexible hose; the grid-type filtration mechanism consists of a support 3 and multiple sets of filter components evenly installed on the support 3, wherein the filter components consist of a first biofilm body 7 installed on one side of the support 3 and multiple sets of filter components evenly installed on the support 3. The system consists of multiple sets of second biofilm bodies 8 mounted on the support 3. These sets of second biofilm bodies 8 are arranged side by side with the first biofilm body 7. Gaps are provided between the first biofilm body 7 and the second biofilm body 8, as well as between two adjacent sets of second biofilm bodies 8. The bottom ends of the first biofilm body 7 and the first biofilm body 8 are in contact with the bottom end of the interior of the box 1. The first biofilm body 7 and the second biofilm body 8 have different sizes but the same structure. Both the second biofilm body 8 and the first biofilm body 7 are composed of two sets of fixing seats and multiple sets of hollow fibers evenly installed between the two sets of fixing seats.

[0020] Furthermore, multiple sets of sliding rods 6 are evenly installed at the top of the support 3, and a connecting seat 601 is provided at the top of the second biofilm body 8. The top of the connecting seat 601 is connected to the sliding rod 6. A vertical plate 301 is provided on the side wall of the support 3, and the first biofilm body 7 is connected to the vertical plate 301 by bolts.

[0021] Furthermore, the two sets of first biofilm bodies 7 in adjacent sets of filter components are staggered.

[0022] In this embodiment, sewage from rivers or other locations is pumped into the tank 1 via the inlet pipe 101, ensuring the sewage level is just above the required number of filtration components. This eliminates the need for structural adjustments based on the original sewage's environment, making it more convenient to use. Activated sludge and large organic molecules in the sewage are sequentially trapped on the first biofilm body 7 and the second biofilm body 8 within the multiple filtration components, forming a membrane-like biological sludge-biofilm. This increases the concentration of activated sludge in the sewage, while organic pollutants are treated by the microorganisms within the multiple filtration components, resulting in sewage purification. The working principle is detailed in patent publication CN116177725B and will not be repeated here. Oxygen is supplied to the aeration head 2 via an external aerator and hose. Oxygen enters the wastewater, providing oxygen to the microorganisms on the multiple filter components, thereby increasing the activity of the microorganisms on the filter components. This allows the microorganisms on the filter components to fully and quickly process and purify the pollutants in the wastewater. As oxygen is introduced, it promotes the flow of wastewater to a certain extent. Due to the special structure of the multiple filter components, the gaps in the previous filter component correspond to the first biofilm body 7 or the second biofilm body 8 in the next filter mechanism, preventing the unfiltered wastewater from directly reaching the overflow port 102. This ensures that the wastewater is in full contact with the grid filter mechanism, improving the wastewater treatment efficiency. The gap setting does not interfere with the flow of wastewater. After being treated and purified by the grid filter mechanism, the wastewater is discharged through the overflow port 102. Solid impurities floating on the water surface can be intercepted by the filter screen 103.

[0023] Example 2

[0024] like Figure 1 , Figure 3 and Figure 4 As shown, the grid-type biofilm wastewater treatment bed proposed in this utility model, compared with Embodiment 1, has a drive mechanism provided on the outer wall of the box 1. The drive mechanism consists of a protective box 4 installed on the outer wall of the box 1, multiple sets of partitions 401 evenly installed inside the protective box 4, and a drive component disposed between corresponding sets of partitions 401.

[0025] Furthermore, multiple sets of sliding rods 6 are slidably connected to the brackets 3. The sliding rods 6 penetrate the side wall of the housing 1 and are slidably connected to the housing 1. The corresponding two sets of sliding rods 6 are driven by the corresponding drive components to move back and forth along the housing 1 in an alternating manner for adjustment.

[0026] Furthermore, the drive assembly includes a rotating rod 5, a sliding plate 501, a gear 504, and a slide block 503; the rotating rod 5 is driven to rotate by a stepper motor mounted on the protective box 4, and the rotating rod 5 is L-shaped; the sliding plate 501 is slidably connected between two corresponding sets of partitions 401, and a clearance opening 502 is provided on the sliding plate 501, and the bottom end of the rotating rod 5 is rotatably connected to the clearance opening 502; the gear 504 is rotatably connected to the protective box 4 through a rotating shaft, and the gear 504 is located below the sliding plate 501; two sets of slide blocks 503 are provided, and the two sets of slide blocks 503 are slidably connected to the bottom end of the interior of the protective box 4, and two corresponding sets of sliding rods 6 are respectively installed on the corresponding slide blocks 503, and both sets of slide blocks 503 are provided with toothed plates, and the two sets of toothed plates are meshed with the two side walls of the gear 504, and a connecting rod 505 is installed at the top of one set of slide blocks 503, and the top end of the connecting rod 505 is connected to the bottom end of the sliding plate 501.

[0027] In this embodiment, since the bottom end of the rotating rod 5 is rotatably connected to the clearance port 502, when the stepper motor is started by the controller to drive the rotating rod 5 to rotate, it will drive the slide plate 501 to slide back and forth along the two sets of partitions 401. The slide plate 501 is connected to one set of slide seats 503 through the connecting rod 505, thereby driving one set of slide seats 503 to slide back and forth along the protective box 4, thereby driving the gear 504 to rotate clockwise and counterclockwise, thereby driving the other set of slide seats 503 to slide back and forth along the protective box 4, so that the two sets of slide seats 503 perform reciprocating motion in opposite directions, thereby driving the two sets of slide rods 6 to slide alternately along the box 1, so that the multiple sets of second biofilm bodies 8 on the two sets of slide rods 6 move alternately, which can play a stirring role for sewage and oxygen, further improving the contact efficiency between sewage and oxygen and the contact efficiency between the filter components and oxygen, further improving the activity of microorganisms on the filter components, and improving sewage treatment efficiency.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A grid-type biofilm wastewater treatment bed, characterized in that, include The box (1) has a water inlet pipe (101) installed at one end and an overflow port (102) at the top of the other end. A filter screen (103) can be detachably installed on the overflow port (102). Aeration head (2) is located at the bottom of the box (1). The input end of the aeration head (2) is connected to the external aerator through a hose. And a grid-type filter mechanism, which consists of a support (3) and multiple sets of filter components evenly installed on the support (3). The filter components consist of a first biofilm body (7) installed on one side of the support (3) and multiple sets of second biofilm bodies (8) evenly installed on the support (3). The multiple sets of second biofilm bodies (8) are arranged side by side with the first biofilm body (7). There are gaps between the first biofilm body (7) and the second biofilm body (8) and between two adjacent sets of second biofilm bodies (8). The bottom of the first biofilm body (7) and the first biofilm body (7) are in contact with the bottom of the box (1). The first biofilm body (7) and the second biofilm body (8) have different sizes but the same structure.

2. The grid-type biofilm wastewater treatment bed according to claim 1, characterized in that, Multiple sets of sliding rods (6) are evenly installed at the top of the support (3). A connecting seat (601) is provided at the top of the second biofilm body (8). The top of the connecting seat (601) is connected to the sliding rod (6). A vertical plate (301) is provided on the side wall of the support (3). The first biofilm body (7) is connected to the vertical plate (301) by bolts.

3. The grid-type biofilm wastewater treatment bed according to claim 1, characterized in that, The two sets of first biofilm bodies (7) in adjacent filter components are staggered.

4. The grid-type biofilm wastewater treatment bed according to claim 1, characterized in that, The outer wall of the housing (1) is provided with a drive mechanism, which consists of a protective box (4) installed on the outer wall of the housing (1), multiple sets of partitions (401) evenly installed inside the protective box (4), and a drive assembly set between two corresponding sets of partitions (401).

5. A grid-type biofilm wastewater treatment bed according to claim 4, characterized in that, Multiple sets of sliding rods (6) are connected to the bracket (3). The sliding rods (6) pass through the side wall of the box (1) and are slidably connected to the box (1). The corresponding two sets of sliding rods (6) are driven by the corresponding drive components to move back and forth along the box (1) for adjustment.

6. A grid-type biofilm wastewater treatment bed according to claim 5, characterized in that, Driver components include The rotating rod (5) is driven to rotate by a stepper motor mounted on the protective box (4), and the rotating rod (5) is L-shaped; The slide plate (501) is slidably connected between the two sets of partitions (401). The slide plate (501) has a clearance opening (502). The bottom end of the rotating rod (5) is rotatably connected to the clearance opening (502). Gear (504), which is rotatably connected to the protective box (4) via a rotating shaft, is located below the slide plate (501); And a slide (503), which is provided in two sets. The two sets of slides (503) are slidably connected to the bottom of the protective box (4). The corresponding two sets of slide rods (6) are respectively installed on the corresponding slides (503). Both sets of slides (503) are provided with toothed plates. The two sets of toothed plates are meshed with the two side walls of the gear (504). A connecting rod (505) is installed at the top of one set of slides (503). The top of the connecting rod (505) is connected to the bottom of the slide plate (501).

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