1400 * 400 stainless steel fish belly adjustable weir

1400 * 400 fish belly adjustable weir

Product Description:

　　1400 * 400 stainless steel fish belly adjustable weirThe overall material is made of 304 stainless steel, which is economical, durable, and has a long service life. It is mainly used in sewage wells with harsh environments and severe corrosion. The adjustable weir made of 304 stainless steel has overcome this problem.

A fish belly adjustable overflow weir comprises a pool body, which includes a storage area and an overflow area. An overflow weir body is set between the storage area and the overflow area to separate them. An overflow weir gate is set on the overflow weir body, with an inlet pipe in the storage area and an outlet pipe in the overflow area. The overflow weir gate is located at the top of the overflow weir body and can rotate vertically under the action of gravity and water pressure. The side of the overflow weir gate near the overflow area is curved, and the side near the storage area is flat.

The overflow dam gate is equipped with a cavity inside, which is connected to a water injection hole.

Sealing gaskets are installed between the two ends of the overflow dam gate and the inner wall of the pool body, which are used to seal and increase the rotational resistance of the overflow dam body.

The overflow1400 * 400 stainless steel fish belly adjustable weirIt is fixed on the overflow dam body through hinges, and a sealing gasket is also set between the hinge and the overflow dam door for sealing. The water storage area is also equipped with interception pipes.

From the above technical problems, it can be seen that the present utility model has the following advantages: the fish belly type hydraulic adjustable barrier gate does not require external power, preventing backflow of water; By injecting different weights of water into the fish belly structure through the water injection hole, the weight of the dam gate can be adjusted to control the specific gravity of the dam, achieving the goal of automatic floating and gravity sinking through the rotating shaft.

Illustration of the drawings

Provide a schematic diagram of the structure of this utility model;

Specific implementation method

The specific implementation mode of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in Figures 1 and 2, the fish belly adjustable overflow weir of the present utility model comprises a pool body 6, which includes a storage area and an overflow area. An overflow weir body 7 is set between the storage area and the overflow area to separate them. An overflow weir gate 3 is set on the overflow weir body 7, and the storage area is equipped with an inlet pipe 5 and a cutoff pipe 4. The overflow area is equipped with an outlet pipe 2, and the overflow weir gate 3 is located at the top of the overflow weir body and can rotate vertically under the action of gravity and water pressure. The side of the overflow dam gate near the overflow area is curved, while the side near the water storage area is flat. The curved surface can be fish belly shaped, and the overflow dam gate is made of stainless steel material.

The rotation of the overflow dam gate can be achieved through hinges, that is, the overflow dam gate is fixed to the overflow dam body through hinges, and a sealing gasket is also set between the hinge and the overflow dam gate for sealing. A cavity is set inside the overflow weir gate, which is connected to a water injection hole. Through the water injection hole, different weights of water can be injected into the fish belly structure to adjust the weight of the weir gate and control its specific gravity, achieving the purpose of automatic upward movement and gravity sinking by rotating the shaft.

When overflow occurs under normal circumstances, the fish belly area is subjected to gravity, and the overflow barrier gate is in an open state. As the rainwater in the overflow area gradually increases and there is accumulated water, the water pressure on the flat area is greater than the buoyancy on the fish belly area, and the overflow barrier gate is in an open state, allowing rainwater to flow from the water flow area to the overflow area.

When rainwater flows back, the water level in the overflow area rises, driving the fish belly area to rise. The buoyancy and pressure on the fish belly area are greater than those on the flat area, causing the overflow barrier to close and preventing rainwater from flowing back.

The control of the fish belly overflow weir gate does not require external power, for example, it can be controlled by springs and water flow pressure. The opening and closing of the overflow weir gate is controlled by a mechanical control device that adjusts the water flow pressure, and they rise or fall proportionally with the water level/pressure. The mechanical control device can calculate the water level/pressure and other parameters required to take action based on different tasksThe accurate maintenance of the retention water level plays a decisive role.

When back pressure occurs, customers can choose to upgrade the mechanical control device. The adjustability of overflow water ensures a constant water level for the pipeline network. Therefore, the overflow weir gate can play a role in flood control.

Sealing gaskets 8 are installed between the two ends of the overflow dam gate and the inner wall of the pool body. The sealing gaskets 8 are used to seal and increase the rotational resistance of the overflow dam body, which can generate a large frictional force.

Product Name: 1400 * 400 fish belly adjustable weir

Nominal pressure: 6-10m impact water column (0.1MPa)

Applicable media: water, river water, sewage, seawater

Applicable temperature: ≤ 50 ℃

Main component materials: carbon steel, stainless steel

Caliber: 1400 * 400