Pneumatic shield gate

omposed of multi-layer NN66 or aramid skeleton materials and special rubber, manufactured using multiple authorized patents. Airbag performance: The working pressure is between 0.7 and 0.8 MPa, the designed safe inflation pressure is 8 kilograms, and the safety factor is 15 times that of rubber dams; The outer layer material is made of EPDM polymer with superior weather resistance and ozone aging resistance, with an aging resistance of over 50 years.

Material: stainless steel, carbon steel (surface polyurea or hot-dip zinc)

Specification: Each unit is 5m long, and high-strength rubber composite tape soft connection is used between units.

Structure: Made of steel plates with a thickness of over 16mm, curved, and reinforced with welded reinforcement ribs facing the water surface.

● Even when there is no electricity, the water level can be accurately and automatically controlled (especially suitable for hydroelectric power generation)

● Modular design can simplify the installation process and reduce later maintenance

● Simple structure, low cost, no water obstruction, no water leakage

● ltra thin shape, capable of good flood discharge through ice and debris, etc

●The protective plate can effectively protect the rubber airbag from floating objects and debris

●The gate system can achieve automatic control, low power consumption, and cost savings

●The control system uses air as the inflation medium, which does not have oil leakage problems and will not cause pollution to water and the surrounding environment

● Simple structure and easy installation:The modular and modular structure does not require the use of large construction equipment, saving manpower, material resources, and financial resources, and the construction cycle is small.

● Adequate safety:The steel shield fully protects the rubber dam bag, which can provide sufficient cushioning force and is not afraid of sudden impacts from large floating objects.

● Good ecological landscape effect:The overflow of the dam crest will form a waterfall, which is very beautiful.

● Low management and operation costs:there will be no jamming during operation, and there is no need for frequent maintenance and repair.

● Strong ability to clean and dredge:When the dam collapses, the shield plate is completely attached to the foundation, and the water blocking height is low.

● Stronger seismic resistance:The shield plate is a soft connection with the foundation, which will not cause system failure or loss of normal operation ability due to foundation deformation.

● Widely applicable:suitable for various river channels with complex hydrological conditions, suitable for urban beautification construction. It can be directly applied to the renovation of various rubber dams and automatic flap dams.

It can maintain a high water level upstream and increase the power generation capacity of hydropower stations; The depth of water passing through the top of the general discharge gate plate is 0.25-0.5m. This type of gate can create a higher water head and accurately control the upstream water level, ensuring safe flood discharge during the flood season. After the flood season, the gate rises to block water; In addition, a stable ice sheet can be formed upstream in winter to prevent ice from blocking the water intake of the power plant.

1. Pneumatic steel gates can effectively coordinate the relationship between the spillway's flood discharge capacity and the reservoir's water level, increasing the storage capacity of existing reservoirs; Reduce the policy and financial difficulties associated with increasing water storage capacity, such as flooding issues.

2. When the existing spillway has insufficient discharge capacity, this gate form of weir crest elevation can be used without affecting the reservoir's storage level and power generation efficiency.

3. Landscape lights can be installed in urban landscapes to create a great night view.

1. Gas shield gate is an ideal form of upstream and downstream gate for ship locks, which can accurately control the water level of upstream and downstream

2. During dam collapse, steel plates are covered on rubber airbags to ensure smooth passage of ships

3. Reduce complex gate opening and closing systems, with flexible and easy operation

4. Reduce the construction and maintenance costs of ship locks

1. Can accurately control the water level and diversion flow of irrigation channels

2. When the channel flow changes, the water level in front of the diversion structure can be automatically controlled to ensure the uniformity of the diversion

1. It can be applied to the flood diversion work of rivers, enabling automatic flow regulation in Jiangxi Province

2. Automatically control the upstream water level during the flood season to maintain a low water level, and use the flood to carry away the sediment and sand deposited upstream

1. This type of gate has been successfully applied in cold regions

2. Due to the steel panel being supported on independent rubber airbags, it allows ice and floating debris to pass through

1. A series of gas shield dams can be used to form a stepped fishway, controlling flow and velocity to ensure smooth passage of fish through the dam

2. Controlling the upstream water level can prevent sudden flooding of waterfowl nests in the reservoir area, and a stable water level can improve the natural landscape of the reservoir area

1. This gate system can be set at the entrance of garage and subway to prevent rainstorm and flood from entering

2. It can also be arranged at the gap of the flood control embankment and immediately closed when the flood comes