UTP Welding Wire UTP A 3545 Nb

08/03/2020

HVAC essential! Three steps to accurately calculate the cooling capacity of central air conditioning

The cooling capacity calculation of central air-conditioning is divided into three steps: 1. Calculate the actual cooling capacity required: Calculate according to the practical area of ​​the room (carpet area, the floor area of ​​the home can be deducted from the floor area); 150 watts per square meter;

06/22/2020

The difference between centrifugal compressor and reciprocating compressor

The difference between centrifugal compressor and reciprocating compressor Centrifugal compressor overview 　　 Centrifugal compressor is also called "vortex compressor", a type of compressor. The structure and operation principle are similar to the centrifugal blower, but it is always multi-stage, which can make the gas obtain higher pressure, larger processing capacity and higher efficiency.<img src="{{media url=&quot;The_difference_between_centrifugal_compressor_and_reciprocating_compressor.jpg&quot;}}" alt="" />

09/07/2020

What happens if the air compressor uses three filters and one oil for an extended period of time

The "three filters and one oil" of the air compressor have a specified service life, which is generally replaced after 2000 hours of use. If you continue to use it beyond the service period, it will bring a lot of harm to the normal operation of the air compressor,

09/03/2021

How to Communicate PLC to VFD

PLC (Programmable Logic Controller) and VFD (Variable Frequency Drive) play an important role in industrial production and technological development.

08/05/2020

Problems of evaporator defrosting and improvement methods

Although the evaporator is very useful, the evaporator defrosting electric heating tube burned out and the water collecting tray heating chamber burned out successively during use. So I will introduce the problems of the evaporator equipment and analyze the problems.

06/29/2020

Several causes of compressor burning

09/08/2020

Introduction of micro heat regeneration adsorption dryer

The non-thermal regeneration suction dryer uses the compressed air pressure change, adsorption under high moisture pressure, and desorption under low moisture pressure to regenerate the adsorbent.

08/17/2020

Problems that need attention in the use, installation and maintenance of air-cooled chillers

Air-cooled chillers have many advantages in terms of performance, which makes it more and more widely used, and its advantages such as small footprint and fully computerized automatic control operation management mode have been favored by more enterprise 碌7館

08/15/2020

Failure Forms and Preventive Measures of Parts of Shell and Tube Heat Exchanger

1. The structure of the shell and tube heat exchanger<br></br> The shell and tube heat exchanger is a traditional and most widely used heat exchange equipment. Because it has a strong structure and can be made of a variety of materials

07/31/2020

Failure Analysis of Air Conditioner Button Circuit

Where is the button circuit in the inverter air conditioner? The first is the function keys on the display board, and the second is the automatic switch on the main board. The main purpose is to transmit user instructions and achieve the purpose of information interaction.