Danfoss Compressor SM185W3PAJ

09/01/2020

Analysis of heat recovery of oil-free air compressor

1.The working principle of oil-free air compressor cooling The air enters the first-stage low-pressure rotor pressurization and intercooler cooling through the filter, and then enters the second-stage high-pressure rotor pressurization and aftercooler

09/08/2020

How to classify air compressors

According to the compression method: Screw air compressor (screw air compressor), piston air compressor (piston air compressor, reciprocating air compressor), sliding vane air compressor (sliding vane air compressor), centrifugal air compressor ( Centrifugal air compressor)

08/05/2020

20 years of HVAC master conscientious summary, radiator installation these 4 points are very important, novices should keep in mind!

It is wise to install radiators in the spring season to avoid rushing when the severe cold comes. What are the precautions for installing the radiator?

08/24/2020

What kind of equipment is generally used in cold storage How to select the refrigeration equipment

The cost of cold storage with a refrigeration capacity of less than 60kw is relatively large, and it is generally suitable for small cold storage and air conditioning units. The cost of such small cold storage within 100 square meters ranges from 30,000 to 100,000.

08/18/2020

Central air-conditioning chiller water system and ventilation system cleaning method

The central air-conditioning ventilation system mainly includes air ducts, fresh air ducts, central air-conditioning wind cabinets, air supply openings, air sealing openings, air handling units, fan coils, etc.

08/15/2022

What is DC Motor and How Does It Work?

A DC motor (direct current motor) refers to a rotating electrical machine that can convert direct current electrical energy into mechanical energy (DC motor) or convert mechanical energy into direct current electrical energy (DC generator).

08/16/2020

The correct method and detailed steps of cold system blowdown

The purpose of sewage discharge in the refrigeration system of the computer room is to remove the dirt in the refrigeration system so as to prevent the dirt in the system from entering the compressor and the throttle valve.

11/03/2021

Do You Really Understand Human Machine Interface (HMI) - HMI Q&A

Q1: Is HMI only used to connect to PLC? That’s not true. HMI products are originally produced to solve the problem of PLC human-computer interaction.

07/07/2020

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

08/28/2020

What are the principles of air compressor frequency conversion How to apply

As we all know, the application of frequency conversion air compressors on the market is becoming more and more extensive.