Danfoss Compressor SM090T9PJ

07/17/2020

Identify the authenticity of the compressor

If this article is of great help to you. Don't be angry when you are a refurbished machine, please leave footprints below. Honesty, doing business must talk about honesty, this can only be done better and stronger. Teach you the most useful tips to identify whether to renovate the compressor;

07/18/2020

Process and cause of liquid shock in piston refrigeration compressor

1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil damage the suction valve plate when the gas is sucked into the cylinder of the compressor, and it is produced when the piston is compressed when the piston is close to the top dead center and is not quickly discharged during the exhaust process after entering the cylinder.

03/01/2021

Basic principle and optimization algorithm of BLDC

Brushless direct current motor (BLDCM,) gets rid of the inherent shortcomings of the brushless DC motor, and replaces the mechanical motor rotor with the electronic motor rotor. Therefore, the brushless DC motor not only has the excellent speed characteristics of the DC motor, but also has the advantages of simple structure, no commutation flame, reliable operation and easy maintenance.

09/09/2020

Calculation method for determining air consumption of air compressor

The traditional method of determining the compressed air requirements of a new plant is to add up the air consumption (m³/min) of all air-consuming equipment, and then consider adding a safety, leakage and development factor.

07/31/2020

Is the refrigerant gas or liquid

Regarding whether to charge the refrigerant, whether it is gas or liquid, many masters must have known for a long time. I often see people inquiring about this refrigerant when charging, is it gas or liquid? Here is a summary. For your reference

06/14/2020

Scroll compressor 2020 or will enter the dark moment

Scroll compressor 2020 or will enter the dark moment Affected by factors such as product competition and the weakening of downstream demand, in the context of the overall downturn in the HVAC industry,

06/24/2020

What is the problem with the poor cooling effect of the air conditioner

In the hot summer, I believe that many people can not do without air conditioning, air conditioning can allow us to spend this summer in a cool environment. However, in the process of using air conditioners, I believe that many people have encountered a situation where the cooling effect of the air conditioner is not good, so why is the cooling effect of the air conditioner not good? What needs to be solved.

09/08/2020

The function and basic performance of the pressure reducing valve of the compressed air filter

The filter, pressure reducing valve and lubricator together form a pneumatic triplet. The filter is mainly responsible for filtering the liquid water, oil and impurities in the compressed air, the pressure reducing valve is mainly responsible for controlling the system pressure, and the oil mist device is responsible for the oil lubrication of the back-end components.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/08/2020

What factors need to be considered in the selection of quick freezers

How should food processors choose a freezing system to ensure the best solution and the most suitable business development? When deciding which food freezing process to apply to the food processor’s production line,