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Multi-stage refrigeration small temperature control compressor description
The function of the compressor in the multi-stage refrigeration small temperature control station system is to draw the refrigerant vapor of the evaporator and increase its temperature and pressure, which is discharged into the condenser. In the condenser, the high pressure superheated refrigerant vapor condenses at the condenser temperature. Then, through the throttling element, the liquid mixture after the natural gas is reduced flows into the evaporator, and the refrigerant liquid absorbs ...
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How to solve the frosting of the low temperature circulation device?
The failure of the low temperature circulation device frosting is mainly because the compressor return air temperature is too low, which may be that the throttle valve liquid refrigerant supply is in a normal state in the low temperature circulation device, but the low temperature circulation device evaporator cannot normally absorb the heat supply refrigerant expansion; It may also be because the evaporator is in a normal working state but the refrigerant supply throttle valve is too large, ...
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Motor test chiller compressor causes wear
Motor testing chiller oil quality may be one of the main reasons affecting crankshaft wear. If the engine oil is used in the chiller refrigeration system, the engine oil that does not meet the requirements and is of poor quality may cause crankshaft wear. High-speed multi-cylinder compressors have high requirements for the quality and lubrication performance of the motor test chiller oil due to high speed, high load and high exhaust gas temperature. Motor test chiller refrigeration compressor...
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How to choose the lubricant for the injection molding machine?
The injection molding machine cooling system lubricating oil needs to pay attention to the type of compressor when selecting. The compressor has three types: piston type, screw type and centrifugal type. The first two kinds of lubricating oil are in direct contact with the compressed refrigerant, and the lubricating oil should be considered. The problem of interaction between the refrigerant and the refrigerant. The lubricating oil used in the centrifugal injection molding machine cooling sys...
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High temperature fault treatment of temperature shock test equipment
The whole function of Wuxi Guanya LNEYA thermal shock test chamber is computer controlled. It is a self-developed software with a good operation interface, which makes the operation and monitoring of the user simpler and more intuitive. The maintenance function can keep the running program in your operation. In the current state, the value of this block can be temporarily changed. The time parameter can be set on the screen to make the cooling, heating, and blue transfer switch automatically,...
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Linear rapid temperature change tester emptying and filling instructions
Before starting the linear rapid temperature change tester, check whether the relevant protective measures are in place, such as fire protection, protection, leak prevention and other tools. Check whether the power supply is in place according to the power supply installation and equipment grounding, whether the phase sequence is correct, and whether the grounding is good. Then power on the equipment, and then check whether the relevant valve is open. Otherwise, the circulating pump will be b...
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Start-up work for new energy thermal management
In the pipeline selection of new energy thermal management, if the use of improper/damaged hoses and/or hose joints will result in injury, the new energy thermal management is limited by the temperature, caliber, installation method, etc. Tube, metal insulation hose temperature range -60 ~ 250 ° C; pressure ≤ 2.5 bar. When the new energy thermal management configures the metal insulation hose and other pipelines carefully, when referring to its pressure and overpressure capability, caliber an...
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Fully closed cycle high viscosity fluid refrigeration heating flow control system
Application:1. The tested object is connected to a test platform adapter.2. The internal parts of the parts are cooled, heated, flow controlled, and pressure controlled by various lubricating oils, hydraulic oils, aviation fuel, fuel oil, and coolant.3. The test component needs to go through a specific temperature profile and record the change in temperature.4. When conducting the tolerance test, perform the thermal shock test, and the rapid temperature drop control usually takes place in...
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Semiconductor laser automatic temperature control equipment accessories fault solution
Semiconductor laser automatic temperature control compressor frosting, may be circulating water circulation or valve is not open, check the water valve, all pipelines, to ensure smooth, install short-circuit pipeline. It may be that the circulating water pipe is too small, and the diameter of the circulating water pipe is increased to ensure the normal water circulation. Semiconductor laser automatic temperature control icing in the circulating water tank may be set too low to correct the set...
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How to choose the price of semiconductor constant temperature system?
Now, it can be said that most of the industrial productions require semiconductor constant temperature systems to provide professional refrigeration. An efficient semiconductor constant temperature system can provide great help for various industrial production. So, what kind of semiconductor constant temperature system is cost-effective? Is it higher? This may be a key issue that many companies want to know. Many technicians of semiconductor constant temperature systems believe that when cho...
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