Fuji Belt A-29

06/14/2020

There is a market for air-conditioning sterilization, and innovation is helping the market pick up

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06/29/2020

How the compressor works

09/09/2020

Classification of air filters

Air filter has three methods: inertia, filtration and oil bath. 　　①Inertial type: Since the density of impurities is higher than that of air, when the impurities rotate or make sharp turns with the air, the centrifugal inertial force can separate the impurities from the airflow.

08/16/2020

How to effectively heat the roof of cold storage

In order to reduce the influence of outdoor air temperature on the interior, the cold storage roof must be insulated. Currently, there are usually the following two approaches.

06/20/2020

Working principle of scroll compressor_Characteristics of scroll compressor

Working principle of scroll compressor <img src="{{media url=&quot;Working_principle_of_scroll_compressor_Characteristics_of_scroll_compressor.jpg&quot;}}" alt="" /> 　　 Scroll compressor is a kind of positive displacement compression compressor, the compression part is composed of movable scroll and static scroll. This includes many structural features that divert the flow of gas through the compressor housing to reduce entrained oil.

07/23/2020

Shallow oil return method of parallel refrigeration compressors

Compressor oil return is one of the key problems in piping design, and it is also a troublesome problem that must be solved; the solubility of refrigerant and lubricating oil should be miscible, slightly soluble, and miscible at high pressure and separate at low pressure. ; The problem of oil return often occurs in the exhaust pipe and return pipe. Today, the analysis is the oil return problem of parallel compressors

12/23/2024

Rexroth Servo Drive Fault Codes and Troubleshooting Methods

Common faults of Rexroth servo drives / servo controllers include: no display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage, etc.

02/12/2024

Range Hoods: Basic Knowledge and Analysis of Related Common Problems

Range hood, also known as extractor hood, is a kitchen appliance that purifies the kitchen environment. It is installed above the kitchen stove.

08/26/2020

Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the oil tiger!

Oil-injected rotary screw air Compressors have become the mainstream of air compressors due to their advantages of stability, high efficiency, low vibration and low noise. However, the generally higher oil change frequency of oil-injected

07/30/2024

Air Conditioning & Refrigeration Solenoid Valves: Structure and Principle

The article describes the structure and working principle of the three-way two-position solenoid valve used in refrigerators and the four-way reversing valve used in heat pumps (i.e. heat pump reversing valve).