Environment-friendly sewage isolation device for water taking engineering

Abstract

The utility model discloses an environment-friendly sewage isolation device for water taking engineering, which comprises an anti-fouling screen, a plurality of steel lantern rings are arranged at the top end of the anti-fouling screen, the same main connecting rope is inserted into the steel lantern rings, a plurality of self-floating bodies are arranged in the top end of the anti-fouling screen, a plurality of connecting steel rings are vertically distributed on two sides of the anti-fouling screen, and the connecting steel rings are connected with the main connecting rope. Anchor pulling ropes are arranged on the two sides and the middle portion of the bottom end of the anti-fouling screen, a first balancing weight is arranged at the bottom end of each anchor pulling rope, and a second balancing weight is arranged at the bottom end of the anti-fouling screen. Through combination of the second balancing weights, the area, located between the two first balancing weights, of the anti-fouling screen provides falling pulling force, the overall strength of the anti-fouling screen is improved, damage caused by water flow is reduced, the flatness of the anti-fouling screen in water is guaranteed, and the anti-fouling effect is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water area environmental protection, in particular to an environmental protection pollution isolation device used in water intake projects. Background Art

[0002] Considering that the water intake head of the water treatment plant is located within the water source protection area, in order to prevent water pollution during the construction operation, a "watertight PVC anti-fouling screen" is used to enclose the construction water area to ensure that the water quality of the reservoir is not affected by the construction.

[0003] The application with publication number CN206562603U discloses an anti-fouling screen, including a floating body, an anti-fouling curtain and a counterweight; the anti-fouling curtain is connected to the bottom of the floating body, including a frame and a curtain cloth attached to the frame; the counterweight is connected to the bottom of the anti-fouling curtain through an anchoring detail rope; the anchoring detail rope is fixedly connected to the upper and lower ends of the anti-fouling curtain respectively. According to the technical solution provided in the embodiment of the present application, the frame and the curtain cloth attached to the frame are used as the anti-fouling curtain as a whole, which significantly increases the strength of the anti-fouling curtain, making it difficult to tear the anti-fouling curtain, and the frame can prevent some foreign objects from contacting the curtain cloth, so it can prevent the anti-fouling curtain from being punctured to a certain extent. By extending the anchoring detail rope used to connect the counterweight to the top of the anti-fouling curtain and covering the entire anti-fouling curtain in the vertical direction, it not only plays an anchoring role, but also can remove the floating body when the wind and waves are strong, and roll up the anti-fouling curtain through the anchoring detail rope and sink it to the bottom of the sea to prevent the anti-fouling curtain from being damaged by strong winds and waves such as typhoons.

[0004] When the existing technology is used, the middle part of the anti-fouling screen is easily damaged under the impact of water flow, resulting in reduced anti-fouling effect. Therefore, an environmentally friendly pollution isolation device for water intake projects is needed to meet the demand. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly pollution isolation device for water intake projects, so as to solve the problem that the middle part of the anti-fouling screen is easily damaged under the impact of water flow in the prior art proposed in the above background technology, resulting in reduced anti-fouling effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly pollution isolation device for water intake projects, including an anti-fouling screen, a plurality of steel rings are arranged on the top of the anti-fouling screen, the same main connecting rope is inserted in the plurality of steel rings, a plurality of self-floating bodies are arranged in the top of the anti-fouling screen, a plurality of connecting steel rings are vertically distributed on both sides of the anti-fouling screen, anchor ropes are arranged on both sides and the middle of the bottom end of the anti-fouling screen, a first counterweight block is arranged on the bottom end of each anchor rope, a second counterweight block is arranged on the bottom end of the anti-fouling screen, and the second counterweight blocks are evenly distributed between two adjacent first counterweight blocks.

[0007] Preferably, the anti-fouling screen is composed of geotextile and PVC water-retaining cloth.

[0008] Preferably, the self-floating body is a floating foam plastic.

[0009] Preferably, the main connecting rope is a 6×19 round steel wire rope with a diameter of 20 mm.

[0010] Preferably, the anchor rope is made of super-strong polyethylene rope with a diameter of 25 mm and a distribution interval of 10 m, and the first counterweight block is made of 50-100 kg stone.

[0011] Preferably, the second counterweight block is made of 20-50kg stone and is connected to the bottom end of the anti-fouling screen through bamboos distributed at intervals of 2m.

[0012] Preferably, the anti-fouling screen is connected to vertically distributed steel pipes by ropes every 50m. The steel pipe has a diameter of 42mm, the top of the steel pipe is more than 0.5m above the water surface, and the bottom is more than 1m into the riverbed soil. Two adjacent steel pipes are staggered on both sides of the anti-fouling screen.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the first counterweight block is provided to provide a downward pulling force for the anti-fouling screen as a whole, thereby ensuring the overall flatness. Through the combination of the second counterweight block, the area of ​​the anti-fouling screen between the two first counterweight blocks provides a downward pulling force, thereby improving the overall strength of the anti-fouling screen, reducing the damage caused by the water flow, ensuring the flatness of the anti-fouling screen in the water, and greatly improving the anti-fouling effect.

[0015] In the utility model, the anti-fouling screen is effectively restrained by the cooperation between the steel pipe and the rope, and the anti-fouling screen is prevented from moving and tilting under the water flow, thereby improving the effective depth of anti-fouling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the anti-fouling screen assembly structure of an environmentally friendly pollution isolation device for water intake engineering proposed by the utility model;

[0017] Figure 2 The utility model is a schematic diagram of the front cross-sectional structure of an anti-fouling screen of an environmentally friendly pollution isolation device for water intake engineering proposed by the utility model.

[0018] In the figure: 1. anti-fouling screen; 2. steel ring; 3. main connecting rope; 4. self-floating body; 5. connecting steel ring; 6. anchor rope; 7. first counterweight; 8. second counterweight; 9. rope; 10. steel pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-2 An environmentally friendly pollution isolation device for water intake projects includes an anti-fouling screen 1, a plurality of steel rings 2 are arranged on the top of the anti-fouling screen 1, the same main connecting rope 3 is inserted in the plurality of steel rings 2, a plurality of self-floating bodies 4 are arranged in the top of the anti-fouling screen 1, a plurality of connecting steel rings 5 ​​are vertically distributed on both sides of the anti-fouling screen 1, anchor ropes 6 are arranged on both sides and the middle of the bottom end of the anti-fouling screen 1, a first counterweight block 7 is arranged on the bottom end of each anchor rope 6, a second counterweight block 8 is arranged on the bottom end of the anti-fouling screen 1, and the second counterweight blocks 8 are evenly distributed between two adjacent first counterweight blocks 7.

[0021] The first counterweight block 7 is provided to provide a downward pulling force for the anti-fouling screen 1 as a whole, ensuring the overall flatness. Through the combination of the second counterweight block 8, the area of ​​the anti-fouling screen 1 located between the two first counterweight blocks 7 provides a downward pulling force, thereby improving the overall strength of the anti-fouling screen 1, reducing the damage caused by the water flow, ensuring the flatness of the anti-fouling screen 1 in the water, and greatly improving the anti-fouling effect;

[0022] The cooperation of the steel ring 2 and the main connecting rope 3 improves the integrity of several anti-fouling screens 1 when connected. The steel ring 5 is connected by ropes to facilitate the disassembly and movement of the anti-fouling screen 1. After the anti-fouling screen 1 is laid, the anchor rope 6 is adjusted according to the water depth to keep an appropriate space between the bottom of the anti-fouling screen 1 and the bottom of the water to ensure the normal use of the anti-fouling screen 1. After the anti-fouling screen 1 is laid, it is inspected regularly. If it is damaged, it is repaired in time to avoid affecting the anti-fouling effect, and the debris and mud around the anti-fouling screen 1 are cleaned up.

[0023] Specifically, in this embodiment, the anti-fouling screen 1 is composed of geotextile and PVC water retaining cloth.

[0024] Specifically, in this embodiment, the self-floating body 4 is a floating foam plastic.

[0025] Specifically, in this embodiment, the main connecting rope 3 is a 6×19 round steel wire rope with a diameter of 20 mm.

[0026] Specifically, in this embodiment, the anchor rope 6 is made of super strong polyethylene rope with a diameter of 25 mm and a distribution interval of 10 m. The first counterweight block 7 is made of 50-100 kg stone. The flexible connection facilitates the adjustment of the depth of the first counterweight block 7 to control the distance between the bottom end of the anti-fouling screen 1 and the bottom of the water.

[0027] Specifically, in this embodiment, the second counterweight 8 is made of 20-50 kg stone and is connected to the bottom end of the anti-fouling screen 1 through bamboos distributed at intervals of 2 m.

[0028] Specifically, in this embodiment, the anti-fouling screen 1 is connected to vertically distributed steel pipes 10 by ropes 9 every 50 m. The diameter of the steel pipe 10 is 42 mm. The top of the steel pipe 10 is more than 0.5 m above the water surface, and the bottom is more than 1 m into the riverbed soil. Two adjacent steel pipes 10 are staggered on both sides of the anti-fouling screen 1.

[0029] The rope 9 reserves a certain restraining length to reduce the damage of the anti-fouling screen 1 by the impact force of the water flow, and prevents the anti-fouling screen 1 from moving and tilting under the impact of the water flow, thereby increasing the effective depth of anti-fouling.

[0030] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An environmentally friendly pollution isolation device for water intake engineering, comprising an anti-fouling screen (1), characterized in that: A plurality of steel rings (2) are arranged on the top of the anti-fouling screen (1), and a main connecting rope (3) is inserted into the plurality of steel rings (2). A plurality of self-floating bodies (4) are arranged in the top of the anti-fouling screen (1). A plurality of connecting steel rings (5) are vertically distributed on both sides of the anti-fouling screen (1). Anchor ropes (6) are arranged on both sides and in the middle of the bottom of the anti-fouling screen (1), and a first counterweight (7) is arranged at the bottom end of each anchor rope (6). A second counterweight (8) is arranged at the bottom end of the anti-fouling screen (1), and the second counterweights (8) are evenly distributed between two adjacent first counterweights (7).

2. The environmentally friendly pollution isolation device for water intake engineering according to claim 1, characterized in that: The anti-fouling screen (1) is composed of geotextile and PVC water retaining cloth.

3. The environmentally friendly pollution isolation device for water intake engineering according to claim 1, characterized in that: The self-floating body (4) is a floating foam plastic.

4. The environmentally friendly pollution isolation device for water intake engineering according to claim 1, characterized in that: The main connecting rope (3) is a 6×19 round steel wire rope with a diameter of 20 mm.

5. The environmentally friendly pollution isolation device for water intake engineering according to claim 1, characterized in that: The anchor rope (6) is made of super strong polyethylene rope with a diameter of 25 mm and a spacing of 10 m. The first counterweight block (7) is made of 50-100 kg stone.

6. The environmentally friendly pollution isolation device for water intake engineering according to claim 1, characterized in that: The second counterweight (8) is made of 20-50 kg stone and is connected to the bottom end of the anti-fouling screen (1) via bamboos distributed at intervals of 2 m.

7. The environmentally friendly pollution isolation device for water intake engineering according to claim 1, characterized in that: The anti-fouling screen (1) is connected to a vertically distributed steel pipe (10) via a rope (9) every 50 m. The steel pipe (10) has a diameter of 42 mm, the top of the steel pipe (10) is exposed above the water surface by more than 0.5 m, and the bottom is inserted into the riverbed soil by more than 1 m. Two adjacent steel pipes (10) are staggered on both sides of the anti-fouling screen (1).

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