The refrigeration heating cycle refers to a circular device that provides heat and cold sources for reactors, grooves, etc. and laboratory equipment with a heating and refrigeration dual-function. The high and low-temperature cycle produced by our company guides the thermal media to heat or cool the required objects in a closed circular system, which is the so-called establishment of the second constant-temperature field. The kettle, rotating evaporation, fermentation tank, and heat meter; are widely used in research departments such as oil, metallurgy, medicine, biochemical, physical, testing, and chemical synthesis, and other research departments, colleges, factories laboratories, and measurement quality inspection departments. Intelligent control system (conventional type): The intelligent control system adopts a self-set PID algorithm, which can apply various environments and equipment, with high-temperature control accuracy. The equipment has a temperature correction function, which is more accurate than the temperature measurement of ordinary thermostats. The eye-catching control panel is simple and has fast operation.
The cooling-heating cycle is the cycle process that moves the heat from a low -temperature object (such as cold storage) to high-temperature objects through refrigerant, so as to cool the object to a lower-than-ambient temperature and maintain this low temperature.
The important parameter of the refrigeration heating cycle is the refrigeration coefficient, which is also called the working performance coefficient of the refrigeration device, which is represented by the symbol COP. So, what advantages does it have?
The entire liquid cycle is closed, with expansion containers, expansion containers, and liquid circulation are insulation, and do not participate in liquid circulation. It is just a mechanical connection. Regardless of whether the temperature of the liquid cycle is high or low -the temperature expansion container is lower than 60 degrees, which Essence There is no water vapor absorption at low temperatures, no oil fog generated at high temperatures, and the heat conduction oil can be widely working temperature; there is no mechanical and electronic valve in the entire circulation system.
1. Compressed air refrigeration cycle: Because air is heated and the fixed temperature is not easy to achieve, it cannot be operated in reverse circulation. In the compressed air refrigeration cycle, two fixed pressure processes are used instead of the two fixed temperature processes of the reverse cycle, so it can be regarded as a reverse cycle. In engineering applications, the compressor can be a piston or impeller.
2. Compressed steam refrigeration cycle: The reverse refrigeration cycle of compressed vapor can be theoretically realized, but it will occur with a low dryness, which is not conducive to the compression of the two-phase substance. In order to avoid adverse factors, increase refrigeration efficiency, and simplify the equipment, the throwing valve (or expansion valve) is often used in practical applications to replace the expander. The compressed steam refrigeration cycle uses a low-boiling point material as a refrigerant. The characteristics of fixed pressure in the wet vapor area, that is, the temperature of the temperature. At low temperatures, air-to-heat absorption and refrigeration can overcome some of the shortcomings of compressed air and heating the compressed air circulation.
3. Absorption refrigeration cycle: The absorption refrigeration cycle uses the characteristics of different solubility under different temperatures in the solution in the solution so that the refrigerant is absorbed by the absorbent (ie the solvent) at a lower temperature and pressure, and at the same time makes it Evaporate from the solution under higher temperature and pressure to complete the cycle to achieve refrigeration.