Plate And Frame Heat Exchanger
Removable Plate Heat Exchanger (RPHE) is a type of heat exchanger composed of a series of plates which are held together with gaskets. The plates are connected in a plate pack that forms a sealed Pressure Vessel. The plate pack is assembled between a fixed frame plate and a movable pressure plate and is compressed by tightening bolts.
RPHEs are quite efficient as they have a large surface area compared to other heat exchangers. Heat transfer within the heat exchanger occurs between the plates and the fluids that flow through them. One fluid flows through the plate openings in each of them, and the heat transferred is determined by the size and number of plates in the exchanger. The heat -exchanging process is repeated in each of the plates and the collected heat is transferred to the other fluid.
Plate and Frame Heat Exchangers have proved beneficial in the food and beverage industries where they are used to maintain a safe temperature during the processing and storage of foods. In addition, they are used in chemical manufacturing to cool the various chemicals that are used in this industry.
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Refrigerator compressor realizes high efficiency products of aluminum wire technology
In the refrigerator compressor industry, high-efficiency products based on aluminum wire technology have appeared recently. In this regard, the relevant experts of China Household Electrical Appliances Association believe that the compressors using new energy-saving materials fully meet the needs of the Chinese home appliance market, and also comply with the latest home appliance technology issued by the China Household Electrical Appliances Association. The planning of the roadmap will bring huge benefits to the entire industry. From the perspective of terminal consumption demand, there is a problem of overcapacity in both the refrigerator industry and the refrigerator compressor industry, but the refrigerator compressor factory has established an industry status and is accustomed to using capacity. According to the investigation of the air-conditioning and refrigeration market, the low profit has hindered the development of the refrigerator compressor industry. Perhaps only when the industry competition is disorderly and orderly, China's refrigerator compressor manufacturing can truly occupy the global commanding heights.
It is understood that the main reason for the low profit of the refrigerator compressor factory is the price of raw materials such as copper and steel. A person in charge of the refrigerator compressor production company said: "I have calculated that due to the increase in raw material prices, compared with 2009, the cost of producing a refrigerator compressor in 2010 will increase by at least 30 yuan, and this part of the increased cost. It is completely digested by the compressor plant.". According to relevant industry sources: not only did the refrigerator compressors not increase in price, but in 2010, the supply price of many refrigerator compressor plants was even lower than in 2009. The competition in the refrigerator market is also fierce, and the whole machine factory has to work hard to reduce production costs. According to the reporter of the Refrigeration Express, some people in the industry believe that: in 2009, each refrigerator compressor factory has expanded its production capacity, and the supply capacity of refrigerator compressors in the whole industry has been greatly improved, directly causing fierce competition in the refrigerator compressor market in 2010. Poor bargaining power. Many refrigerator compressor factories are at the profit balance point, but the leading enterprises in the industry do not take the lead in raising the supply price. Small enterprises have no ability to drive price increases, and the overall profit level of the industry can only maintain the status quo.
From the perspective of the professional evaluation agency of China's home appliance industry, Jiejie, a related expert from China Household Electrical Appliances Research Institute, said that the energy efficiency of the fixed-frequency aluminum wire motor compressor series has reached the standard under the premise of satisfying stability and reliability, and can be used with copper wire. The use of motor compressors under the same performance is a technical breakthrough in the entire home appliance industry and a major leap in the efficient and sustainable development of the refrigerator compressor industry.