Beckhoff Module EL7211

08/07/2020

How to vent the industrial chiller of the refrigerant refrigeration system

1. When using an air separator to discharge air, place the return valve of the air separator in a normally open state to reduce the pressure of the air separator to the suction pressure, and other valves should be closed.

06/25/2020

Talking about the working process and working principle of screw compressor

Screw compressors, also known as screw compressors, are divided into single screw compressors and twin screw compressors. The single-screw compressor was developed by Sinn of France in the 1970s. Because its structure is more reasonable, it is quickly applied to the field of national defense and protected by the developing country.

08/15/2020

Causes and solutions of central air conditioner's air volume and noise failure

Causes and solutions of central air conditioner's air volume and noise failure 1. The dew point temperature of the machine is normal or low, and the reason and solution for slow indoor cooling.

08/09/2020

Do you know the selection criteria of electronic valves for cold storage systems

In the cold storage refrigeration system, the selection of components must strictly abide by the four basic principles of safety, reliability, applicability and economy.

09/02/2020

Do you know Q345 and 16Mn steel for pressure vessels‘

In the air compressor industry, the most common pressure vessels are the gas storage tanks and the oil and gas barrels in the air compressor. So, do you know the material of these pressure vessels?

08/18/2020

Causes and removal methods of scale formation in the condenser of the chiller

In industrial production, it is easy for the condenser pipes to form scale in the chillers used. If not treated in time, these scales will affect the heat exchange effect and cause the condensing temperature of the unit to increase

09/04/2020

Talking about the Management of Large Precision Equipment in Modern Enterprises

1. Current status of equipment maintenance and management 　　 1. Enterprise's understanding of equipment management needs to be strengthened

09/14/2020

Analysis of the consequences of refrigerant liquid entering the compressor

When the refrigerant liquid entering the evaporator is too much or the evaporation pressure is too low, the cold The medium liquid will be sucked into the compressor. Since the refrigerant liquid is incompressible,

08/12/2020

How to calculate the current carrying capacity of refrigeration equipment wires

The working temperature is 30℃ and the current carrying capacity under continuous 90% load for a long time is as follows:

06/29/2020

Several causes of compressor burning