The liquid refrigerant in the condenser is connected to the capillary through the regulating valve and the capillary is a normally closed device. The pressure value is set according to the temperature of the refrigerant, the mechanical degree of the fluid is increased, and the pressure is also increased. When the pressure exceeds this value, the regulating valve opens to inject liquid refrigerant to the compressor, and the capillary is used to adjust the amount of injection.
The liquid refrigerant entering the compressor is mixed with the normal return gas, absorbs the heat of the superheated refrigerant gas and evaporates, so that the suction temperature is lowered, and the compressor motor winding is effectively cooled, so that the system can work normally under the environment of 5 ° C. To extend the life of the compressor.
Vibration and noise control. The vehicle air conditioner is a split structure, the indoor unit is installed on the inner compartment wall, and the outdoor unit is connected to the compartment wall through the mounting bracket. Since the compartment and the mounting bracket are all metal members, the internal damping is small, and the vibration and radiation noise are easily excited. The inner surface material of the compartment is also made of metal material, and the sound absorption coefficient is very small. After a sound is emitted, the multiple reflections through the wall of the compartment will be lost, and the operation of the air conditioner is continuous, under continuous noise and vibration response. The compartment is equivalent to a speaker. Once the excitation frequency of the air conditioner is close to the natural frequency of the cabin, it will cause resonance, resulting in higher airborne sound, which affects the normal work of the staff.
The links of the acoustic system are the sound source, the way to spread the sound, and the receptor of the sound, that is, the source of the sound source. Control noise is carried out in three aspects: sound source, pathway, and receiver protection. Controlling noise from a sound source is the most fundamental and effective means of controlling noise.
Aluminium Sulphate are sweet white shiny crystals, granules or powder. It's stable in the air.but easily soluble in water, almost insoluble in ethanol, and the solution is acidic. Aluminum sulfate is a widely used flocculant in the purification of drinking water and sewage treatment equipment, as well as in the paper industry.
Aluminium Sulfate is a new, high-quality, high-efficiency iron salt inorganic polymer flocculant. The water purification effect of Aluminium Sulfate is perfect.The water treated by Aluminium Sulfate is free of harmful substances such as aluminum, chlorine and heavy metal ions, and no water phase transfer of iron ions, non-toxic, harmless, safe and reliable.
Aluminium Sulfate produced by JINHE Industry has obvious effect on purification of micro-pollution, algae-containing, low temperature and low turbidity raw water, especially for high turbidity raw water.And the dosage is small, the cost is low, and the processing cost can be saved by 20% -50%.
In the paper industry, it is used as a precipitant for rosin gum, wax emulsion and other rubber materials, as a flocculant in Water Treatment, and as an internal retention agent for foam fire extinguishers. It is also used as a raw material for the production of industrial aluminum sulfate alum and aluminum white. Raw materials for certain drugs, etc. Aluminium Sulfate can also be used in manufacturing artificial gems and high-grade ammonium alum. Aluminium Sulfate produced by Jinhe Industry can be used in water treatment flocculants too.
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