Keyence Sensor AP-C31W

07/31/2020

How should centralized air conditioners be used during epidemic prevention and control

Before using the centralized air-conditioning ventilation system, you should understand the type of the centralized air-conditioning ventilation system, the air supply range, and the air intake of the fresh air

06/14/2020

External balance thermal expansion valve

The difference between the external balance type thermal expansion valve and the internal balance type in structure and installation is that the space under the diaphragm of the external balance type valve is not in communication with the outlet of the va器2䀀
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09/15/2020

Technical characteristics of silent oil-free air compressor for laboratory

The silent oil-free air compressor used in the laboratory is specially matched with the precision instruments of the laboratory, which can provide pure air source and stable pressure. main feature

08/13/2020

Refrigeration system 41 essay questions, too comprehensive!

1. What are the three necessary conditions for the safe operation of the refrigeration system? 　　Answer: (1) The refrigerant pressure in the system must not be abnormally high to avoid equipment rupture.

10/05/2023

Freeze Drying vs Dehydration: Is a Freeze Dryer and a Dehydrator the Same Thing

When it comes to preserving food, there are a variety of methods that can be used. Two of the most common methods are freeze-drying and dehydrating.

08/04/2020

Anatomy of the pressure adjustment mode of the condenser of the small chiller

During the operation of a small chiller, changes in temperature will cause changes in condensing pressure.

07/15/2020

What is the principle of air conditioning and refrigeration

When the temperature is relatively high in the hot summer days, I believe many of them are also inseparable from the air conditioner. In the summer, it can be said that this life is given by the air conditioner. Everyone knows that the air conditioner can cool and heat, and can adjust the temperature according to your own settings to give yourself a comfortable feeling. However, few people know what is the principle of air conditioning and refrigeration? here we come to find out.

07/19/2020

Energy-saving techniques for refrigerator systems

Energy-saving techniques for refrigeration systems: Energy adjustment enables the cooling capacity of the compressor to change with changes in thermal load, which is one of the important contents of automatic refrigeration energy-saving control. Different refrigeration compressors or refrigeration units have different emphasis on energy-saving operation and energy regulation.

06/29/2020

Several causes of compressor burning

02/08/2023

Pros and Cons of Pneumatic, Electric and Hydraulic Actuators

The actuator used in the control valve are nothing more than pneumatic, electric, and hydraulic (electro-hydraulic) type.