QINGDAO HONGDI GROUP
17
2023
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10
Advantages and uses of stainless steel pipes
Stainless steel pipe in heat exchangers should have been developed in the 1970s. Stainless steel heat exchangers have many advantages over general heat exchangers
(1) The heat transfer efficiency is high, especially for gas-to-gas heat exchangers. Since the hot and cold gases on both sides can flow outside the tube, fins can be installed on both sides of the stainless steel heat exchange tube to increase heat transfer. area to make up for the weakness of low gas heat transfer coefficient. In addition, it is easy to design the heat exchanger into counter-flow, cross-row and other types to maximize the efficiency of the heat exchanger.
(2) The pressure loss is small because the flow is outside the tube, so the flow resistance inside the device is small and the pressure loss is small, which can reduce the power consumption of the fan.
(3) Because the work is reliable and there are no moving parts, there is no additional power consumption. Stainless steel pipe manufacturers
(4) The structure is compact, the unit heat exchange area is large, and the passage is simple.
(5) There is no mixed pollution. The middle partition can be used to effectively isolate the two fluids. When the requirements are high, two layers of partitions can be used to completely prevent the problem of lateral mixed pollution.
(6) The range of size changes is large, and it can be made into standard stainless steel pipe assembly models, which can change the direction of fluid flow and is easy to use.
(7) Low maintenance costs, no wearing parts, simple and reliable sealing, and easy to clean
Stainless steel heat exchangers have the above advantages and are widely used in industrial waste heat recovery, becoming one of the important means to save energy consumption. The recovered waste heat can be used to supply air for air conditioning and heating industrial processes. Data shows that stainless steel heat exchangers have been used in air dryers, paint drying furnaces, bleaching furnaces, brick kilns, grain dryers, chain drying furnaces, etc. In addition, stainless steel has also been practically used in welding and electroplating technology, molding technology, coating technology, pharmaceuticals, fertilizer production, pollution control, refrigeration technology, spray drying technology, tanning technology, heat treatment of textile raw materials, waste steam recovery, etc. Tube.
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