Energy
Seals are widely used in the energy industry and play a key role in ensuring the safe and efficient operation of energy production, transmission and utilization.
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Oil and gas extraction
Drilling equipment: During the drilling process, the piston seal of the mud pump is crucial. It must withstand high-pressure and high-speed mud flushing to prevent mud leakage and ensure the normal operation of the pump. The seal of the blowout preventer is the key to ensuring the safety of the wellhead. In high-pressure oil and gas wells, it can quickly seal the wellhead in an emergency to prevent blowout accidents.
- Oil production equipment: The sealing device of the pumping unit is used to seal the gap between the bare rod and the wellhead to prevent crude oil from leaking to the ground and ensure the normal operation of the pumping unit. In addition, the seal of the water injection pump must withstand the action of high-pressure water to ensure the sealing of the water injection process and improve oil production efficiency.
- Petroleum refining
- Reactor: Various complex chemical reactions are carried out inside the reactor in petroleum refining. Seals are used to prevent leakage of reaction materials and prevent impurities such as outside air from entering the reactor and affecting the reaction. Magnetic seals and mechanical seals are widely used in reactors and can ensure sealing performance under harsh conditions such as high temperature, high pressure, and strong corrosion.
Pipeline connection: The pipeline system is the key to material transmission in petroleum refining. Seals are required for flange connections, threaded connections, and other parts of the pipeline. Such as gaskets and sealing rings are used to prevent material leakage at the pipeline connection to ensure the sealing and safety of the entire pipeline system.
Power industry
Thermal power generation: The shaft seal of the steam turbine is a key component to prevent steam leakage. It adopts sealing forms such as labyrinth seal and steam seal to ensure that steam works efficiently in the steam turbine under high temperature and high-speed rotation conditions, thereby improving power generation efficiency. In addition, the manhole and handhole seals of the boiler must withstand high temperature and high pressure flue gas and steam to ensure the sealing of the boiler and prevent heat loss and flue gas leakage.
Hydropower generation: The seals of the turbine mainly include the main shaft seal and the guide vane seal. The main shaft seal prevents water from leaking between the main shaft and the top cover to ensure the normal operation of the turbine; the guide vane seal prevents water from leaking from the guide vane gap when the guide vane is closed, thereby improving the efficiency of the turbine.
Nuclear power generation: The sealing of the nuclear reactor is crucial. Its seals must withstand extreme conditions such as high temperature, high pressure, and strong radiation to prevent the leakage of radioactive materials and ensure the safe operation of the nuclear power plant.
New energy field
Wind power generation: The cabin seals of wind turbines are used to prevent rain, dust, etc. from entering the cabin and protect key components such as generators and gearboxes. The seals of the yaw system and pitch system must ensure the sealing and reliability of the system and ensure that the wind turbine can accurately adjust the position and blade angle according to changes in wind direction and wind speed.
Solar power generation: The sealing of solar photovoltaic panels is mainly to prevent rain, dust, etc. from entering the interior of the photovoltaic panels, affecting their power generation efficiency and service life. The frame seals and junction box seals of photovoltaic panels require high-performance seals, such as silicone rubber sealants, EPDM sealing strips, etc.
Hydrogen energy: In hydrogen refueling stations, hydrogen compressors, hydrogen storage tanks, hydrogen refueling guns and other equipment all require seals. These seals must have good hydrogen permeation resistance, anti-aging performance and sealing performance to prevent hydrogen leakage and ensure the safe operation of hydrogen refueling stations.
D Eleven supply standard and customized seals for Aerospace industry. Include as below:
For more information, contact our expert technical team.
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