Combined landscape water treatment device

Abstract

The utility model relates to the technical field of cloth filter tanks, in particular to a combined landscape water treatment device. The cloth filter comprises a first tank body, a second tank body and a third tank body which are sequentially arranged from inside to outside, a first area is formed between the first tank body and the second tank body, a second area is formed between the second tank body and the third tank body, and fiber rotary disc filters are uniformly distributed in the second area. A third area is formed between every two adjacent fiber rotary disc filters, and sewage inlet water is directly introduced into the first tank body, then is distributed to the third area, is dispersed from inside to outside in the third area, is filtered by the fiber rotary disc filters and then is introduced into the first area. The combined landscape water treatment device disclosed by the utility model has the advantages that under the same treatment load, the occupied area is minimum, meanwhile, pollutants in sewage can be pre-precipitated, the treatment load of the fiber rotary disc filter can be effectively reduced, and the stable and efficient operation of the cloth filter is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of filter cloth and filter bed technology, and specifically to a combined landscape water treatment device. Background Technology

[0002] Filter cloth filter beds are water treatment equipment that uses fiber disc filters to treat and purify sewage. They are mainly used for the physical purification of river and lake water, landscape water, etc., and are widely used in sewage treatment.

[0003] During operation, sludge accumulates on the surface of the rotating disc filter as the operating time increases, affecting filtration efficiency. Existing mature processes involve raising the water level in the filter cloth filter tank when the filter efficiency decreases. When the water level reaches a certain height, the fiber disc filter initiates backwashing to remove the sludge from its surface, thus ensuring process efficiency. In actual operation, to ensure the wastewater treatment load, multiple filter cloth filter tanks are often connected in parallel, resulting in a large footprint and increased land costs. Furthermore, the high pollutant content in wastewater necessitates frequent backwashing of the fiber disc filter, further impacting its treatment efficiency.

[0004] Therefore, this utility model proposes a circular filter cloth filter tank, which optimizes the existing square filter cloth filter tank in terms of structure and function. On the one hand, it can greatly reduce the footprint of the filter cloth filter tank and reduce the land cost. On the other hand, it can pre-sediment pollutants in sewage, thereby greatly reducing the treatment load of the downstream fiber filter cloth filter tank and playing a positive role in ensuring the efficient and stable operation of the tank. Utility Model Content

[0005] The purpose of this invention is to provide a combined landscape water treatment device to solve the problems of existing filter cloth filter pools having a large footprint, fiber disc filters having a high workload, which easily leads to equipment failure and reduced operating efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a combined landscape water treatment device, comprising a circular first pool, a circular second pool, and a circular third pool, wherein the second pool is arranged outside the first pool, and the third pool is arranged outside the second pool; a first region is formed between the first pool and the second pool, and a second region is formed between the second pool and the third pool; fiber disc filters are evenly distributed in the second region, and a third region is formed between adjacent fiber disc filters;

[0007] The wastewater to be treated enters the first tank directly. After one sedimentation in the first tank, it is then introduced into the third zone. In the third zone, the wastewater diffuses from the inside out and undergoes a second sedimentation before entering the fiber disc filter. The outlet of the fiber disc filter is connected to the first zone.

[0008] Furthermore, the first pool, the second pool, and the third pool are arranged concentrically.

[0009] Furthermore, a sludge discharge channel is provided at the bottom of the first pool. After sedimentation in the first pool, the sewage is transported to the third area through the water distribution pipe at the top of the first pool.

[0010] Furthermore, a baffle plate is provided in the third region, which causes the water flow to move up and down in the third region.

[0011] Furthermore, a sludge discharge channel is provided at the bottom of the third region.

[0012] Furthermore, an overflow weir is provided between the periphery of the third region and the fiber disc filter, and the sewage from the periphery of the third region overflows to the inlet end of the fiber disc filter through the overflow weir.

[0013] Furthermore, a water outlet channel is provided at the bottom of the first area.

[0014] The beneficial effects of this utility model are:

[0015] 1. The structure of this utility model is reasonable and ingenious. While ensuring a certain sewage treatment capacity, it can greatly reduce the footprint of the filter cloth filter tank, effectively reduce the cost of land use, and facilitate its use in actual engineering projects.

[0016] 2. This utility model effectively reduces the treatment load of the filter cloth filter by performing multi-stage sedimentation on the wastewater before it enters the filter cloth filter for treatment. This ensures the long-term healthy and stable operation of the equipment and also effectively guarantees the filtration efficiency of the equipment, thus achieving efficient and stable operation of the entire filter cloth filter. Attached Figure Description

[0017] Figure 1 This is a top view of the pool body of this utility model;

[0018] Figure 2 This is a schematic diagram of the baffle structure arrangement in the third region of this utility model.

[0019] The names corresponding to each mark in the diagram:

[0020] 1. First pool; 2. Second pool; 3. Third pool; 4. Inlet pipe; 5. Distribution pipe; 6. Baffle plate; 7. Fiber disc filter. Detailed Implementation

[0021] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings of the embodiments thereof.

[0022] like Figure 1-2 As shown, in this embodiment, the filter cloth filter tank of the present invention includes a circular first tank body 1, in which a stirrer is provided, and sewage enters the first tank body 1 through an inlet pipe 4; a circular second tank body 2 is provided outside the first tank body 1, and a circular third tank body 3 is provided outside the second tank body 2; a first region is formed between the first tank body 1 and the second tank body 2, and a second region is formed between the second tank body 2 and the third tank body 3.

[0023] Multiple fiber disc filters 7 are evenly distributed in the second region. A third region is formed between adjacent fiber disc filters 7. The third region is directly connected to the first pool 1 through a water distribution pipe 5. A baffle plate 6 is set in the third region to make the water flow deflected. The water flow diffuses to the outer periphery of the third region through the baffle plate 6 and overflows to the inlet end of the fiber disc filter 7 through the overflow weir (an overflow weir is set only on one side of the outer periphery of the third region, and one third region corresponds to one fiber disc filter 7). The outlet end of the fiber disc filter 7 is connected to the first region. An outlet pipe is set at the bottom of the first region.

[0024] In another embodiment of this utility model, the first pool 1, the second pool 2, and the third pool 3 are arranged concentrically.

[0025] In another embodiment of this utility model, the number of fiber disc filters 7 in the second region is eight, the number of corresponding third regions is eight, and the number of corresponding water distribution pipes 5 is eight.

[0026] In another embodiment of this utility model, sludge discharge channels are provided at the bottom of the first pool body 1, the third region, and each fiber disc filter 7.

[0027] In another embodiment of this utility model, a reagent dosing pipeline is provided in the first pool body 1, including a PAC dosing pipeline and a PAM dosing pipeline, which are used for the dosing of PAC and PAM respectively.

[0028] The principle of this utility model is as follows:

[0029] In the process of using this utility model, the sewage to be treated enters the first tank 1 through the inlet pipe 4. During the sewage inlet process, or after the sewage enters the first tank 1, PAC and PAM are added to the sewage and stirred and mixed in the first tank 1. During the process, the coagulant and flocculant react with the pollutants in the sewage, causing the pollutants to flocculate and settle. Part of the sediment is periodically pumped away through the bottom sludge discharge pipe (sewage enters from the central cylinder in the first tank 1, and the flocculated and settled water rises from the bottom of the central cylinder). The upper water after partial sedimentation is connected to the third area through the water distribution pipe 5. A control valve can be installed on the water distribution pipe 5 for the maintenance of the corresponding fiber disc filter 7.

[0030] In the third zone, the sewage flows through the baffle plate 6, which prolongs the flow time of the sewage. On the one hand, this helps to reduce the impact of water flow, and on the other hand, it allows the pollutants in the sewage to settle further, thereby reducing the treatment load of the fiber disc filter 7 at the back end. The sediment at the bottom of the third zone is also periodically pumped away through the sludge discharge pipe.

[0031] When the wastewater reaches the outermost edge of the third zone, the pollutant content in the wastewater is greatly reduced, thereby effectively reducing the treatment load of the fiber disc filter 7, reducing the cleaning frequency and ensuring treatment efficiency, which helps the filter cloth filter bed to operate efficiently and stably.

[0032] At the same time, this utility model can greatly reduce the footprint of the filter cloth filter tank while ensuring the processing load, which helps to reduce the land occupation and equipment maintenance costs, and makes it more convenient to use in production operation.

[0033] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A modular landscape water treatment device, characterized in that: It includes a circular first pool, a circular second pool, and a circular third pool. The second pool is arranged outside the first pool, and the third pool is arranged outside the second pool. A first region is formed between the first pool and the second pool, and a second region is formed between the second pool and the third pool. Fiber disc filters are evenly distributed in the second region, and a third region is formed between adjacent fiber disc filters. The wastewater to be treated enters the first tank directly. After one sedimentation in the first tank, it is then introduced into the third zone. In the third zone, the wastewater diffuses from the inside out and undergoes a second sedimentation before entering the fiber disc filter. The outlet of the fiber disc filter is connected to the first zone.

2. The combined landscape water treatment device according to claim 1, characterized in that: The first pool, the second pool, and the third pool are arranged concentrically.

3. The combined landscape water treatment device according to claim 1, characterized in that: The bottom of the first pool is provided with a sludge discharge channel. After the sewage undergoes sedimentation in the first pool, it is transported to the third area through the water distribution pipe at the top of the first pool.

4. The combined landscape water treatment device according to claim 1, characterized in that: A baffle plate is provided in the third region, which causes the water flow to move up and down in the third region.

5. The combined landscape water treatment device according to claim 4, characterized in that: A sludge discharge channel is provided at the bottom of the third area.

6. The combined landscape water treatment device according to claim 1, characterized in that: An overflow weir is provided between the periphery of the third area and the fiber disc filter, and the sewage from the periphery of the third area overflows to the inlet end of the fiber disc filter through the overflow weir.

7. The combined landscape water treatment device according to claim 1, characterized in that: A water outlet channel is provided at the bottom of the first area.

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