Combined landscape water treatment device

Abstract

The invention 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. Under the same treatment load, the combined landscape water treatment device disclosed by the invention occupies the smallest area, can realize pre-precipitation of pollutants in sewage, can effectively reduce the treatment load of the fiber rotary disc filter, and is beneficial to stable and efficient operation of the cloth filter.

Description

Technical Field

[0001] The invention relates to the technical field of filter cloth filter pools, and in particular to a combined landscape water treatment device. Background Art

[0002] The filter cloth filter tank is a water treatment equipment that uses a fiber rotary disc filter to treat and purify sewage. It is mainly used for the physical purification of river and lake water, landscape water, etc. and is widely used in sewage treatment.

[0003] During the operation of the fiber rotary filter, as the operating time increases, sludge accumulates on the surface of the rotary disc, thus affecting the filtration efficiency. The existing mature process is that when the filtration efficiency of the filter decreases, the water level in the filter cloth filter tank will rise. When the water level rises to a certain height, the fiber rotary filter starts backwashing to clean the sludge on the surface of the fiber rotary filter, thereby ensuring the process efficiency. In the actual operation process, in order to ensure the treatment load of sewage, multiple filter cloth filter tanks are often required to be connected in parallel, which makes the entire equipment occupy a large area and increases the land cost; on the other hand, in the process of sewage treatment, due to the large number of pollutants in the sewage, the fiber rotary filter backwashes frequently, affecting the treatment efficiency of the fiber rotary filter.

[0004] Therefore, the present invention specifically 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 floor space of the filter cloth filter tank and reduce the land cost. On the other hand, it can pre-precipitate pollutants in sewage, thereby greatly reducing the processing load of the rear-end fiber filter cloth filter tank, which plays a positive role in ensuring the efficient and stable operation of the tank body. Summary of the invention

[0005] The purpose of the present invention is to provide a combined landscape water treatment device to solve the problems that the existing filter cloth filter tank occupies a large area, the fiber rotary filter has a large workload, and is prone to equipment failure and reduced operating efficiency.

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

[0007] The sewage to be treated directly enters the first tank body, and after a primary sedimentation in the first tank body, it enters the third area. The sewage radiates from the inside to the outside in the third area, and after a secondary sedimentation in the third area, it enters the fiber rotary filter. The water outlet end of the fiber rotary filter is connected to the first area.

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

[0009] Furthermore, a mud discharge channel is provided at the bottom of the first tank body, and the sewage is transported to the third area from the water distribution pipe at the upper part of the first tank body after being precipitated once in the first tank body.

[0010] Furthermore, a baffle is provided in the third area, and the baffle enables the water flow to baffle up and down in the third area.

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

[0012] Furthermore, an overflow weir is arranged between the periphery of the third area and the fiber disc filter, and the sewage outside the third area overflows to the water 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] Beneficial effects of the present invention:

[0015] 1. The structure of the present invention is reasonable and ingenious. While ensuring a certain sewage treatment capacity, it can greatly reduce the floor space of the filter cloth filter tank, effectively reduce the land cost, and is convenient for use in actual engineering;

[0016] 2. The present invention performs multi-stage sedimentation on sewage and then enters the filter cloth filter tank for treatment, which can effectively reduce the processing load of the filter cloth filter tank, ensure the long-term healthy and stable operation of the equipment, and effectively ensure the filtration efficiency of the equipment, thereby realizing efficient and stable operation of the entire filter cloth filter tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a top view of the pool body of the present invention;

[0018] Figure 2 It is a schematic diagram of the structural arrangement of the deflector baffles in the third area of ​​the present invention.

[0019] The names corresponding to the marks in the figure are:

[0020] 1. The first tank body; 2. The second tank body; 3. The third tank body; 4. The water inlet pipe; 5. The water distribution pipe; 6. The baffle plate; 7. The fiber rotary disc filter. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[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 an agitator is arranged, and sewage enters the first tank body 1 through an inlet pipe 4; a circular second tank body 2 is arranged outside the first tank body 1, and a circular third tank body 3 is arranged outside the second tank body 2, a first area is formed between the first tank body 1 and the second tank body 2, and a second area is formed between the second tank body 2 and the third tank body 3.

[0023] A plurality of fiber disc filters 7 are evenly distributed in the second area, and a third area is formed between adjacent fiber disc filters 7. The third area is directly connected to the first tank body 1 through a water distribution pipe 5, and a baffle 6 is provided in the third area, which makes the water flow baffled; the water flow diffuses to the outer periphery of the third area through the baffle 6 and overflows to the water inlet end of the fiber disc filter 7 through the overflow weir (the overflow weir is only provided on one side of the periphery of the third area, and one third area corresponds to one fiber disc filter 7), and the water outlet end of the fiber disc filter 7 is connected to the first area, and an outlet pipe is provided at the bottom of the first area.

[0024] In another embodiment of the present invention, the first cell body 1 , the second cell body 2 and the third cell body 3 are concentrically arranged.

[0025] In another embodiment of the present invention, the number of the fiber disk filters 7 in the second zone is eight, the corresponding number of the third zones is eight, and the corresponding number of the water distribution pipes 5 is eight.

[0026] In another embodiment of the present invention, mud discharge channels are provided at the bottom of the first tank body 1 , the third area and each fiber rotary disc filter 7 .

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

[0028] The principle of the present invention is:

[0029] During use of the present invention, the sewage to be treated enters the first tank body 1 through the water inlet pipe 4. During the sewage inlet process, or after the sewage enters the first tank body 1, PAC and PAM are added to the sewage and stirred and mixed in the first tank body 1. During the process, the coagulant and the flocculant flocculate with the pollutants in the sewage, so that the pollutants flocculate and precipitate, and the generated part of the precipitate is regularly pumped away through the mud discharge pipe at the bottom (the sewage is introduced from the central cylinder in the first tank body 1, and the water after flocculation and precipitation is turned up from the bottom of the central cylinder from the periphery); and the upper water body after partial precipitation is connected to the third area through the water distribution pipe 5. A control valve can be set on the water distribution pipe 5 for the corresponding fiber rotary filter 7. Maintenance work.

[0030] In the third area, the sewage is baffled by the baffle plate 6, which prolongs the flow time of the sewage. On the one hand, it helps to reduce the impact of hydraulic force, and on the other hand, it also allows the pollutants in the sewage to further settle, thereby reducing the processing load of the fiber rotary filter 7 at the rear end. The sediment at the bottom of the third area is also regularly pumped away through the sludge discharge pipe.

[0031] When the sewage flows to the outermost part of the third area, the pollutant content in the sewage is greatly reduced, thereby effectively reducing the processing load of the fiber rotary filter 7, reducing the cleaning frequency and ensuring the processing efficiency, and contributing to the efficient and stable operation of the filter cloth filter tank.

[0032] At the same time, the present invention can greatly reduce the floor space of the filter cloth filter tank while ensuring the processing load, which helps to reduce the floor space and maintenance costs of equipment and is more convenient for use in production operations.

[0033] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that are the same or similar to those of the present application fall within the protection scope of the present invention.

Claims

1. Combined landscape water treatment device, characterized by: The invention comprises a circular first tank body, a circular second tank body and a circular third tank body, wherein the second tank body is arranged outside the first tank body, and the third tank body is arranged outside the second tank body; a first area is formed between the first tank body and the second tank body, and a second area is formed between the second tank body and the third tank body; fiber rotary disc filters are evenly distributed in the second area, and a third area is formed between adjacent fiber rotary disc filters; The sewage to be treated directly enters the first tank body, and after a primary sedimentation in the first tank body, it enters the third area. The sewage radiates from the inside to the outside in the third area, and after a secondary sedimentation in the third area, it enters the fiber rotary filter. The water outlet end of the fiber rotary filter is connected to the first area.

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

3. The combined landscape water treatment device according to claim 1 is characterized in that: The bottom of the first tank body is provided with a mud discharge channel. After the sewage is precipitated once in the first tank body, it is transported to the third area through the water distribution pipe at the upper part of the first tank body.

4. The combined landscape water treatment device according to claim 1, characterized in that: The third area is provided with a baffle, which enables the water flow to baffle up and down in the third area.

5. The combined landscape water treatment device according to claim 4 is characterized in that: A mud discharge channel is arranged 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 arranged between the periphery of the third area and the fiber rotary disk filter, and sewage outside the third area overflows to the water inlet end of the fiber rotary disk filter through the overflow weir.

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

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