HONGFA Relay HFD31-3

07/18/2020

Common faults and solutions of refrigeration compressors

Liquid shock refers to the situation where the refrigerant fails to absorb heat or evaporates sufficiently, and the refrigerant liquid or wet steam is sucked into the compressor by the compressor. It is called liquid shock.

08/24/2020

Utilize the cold storage management system to reduce the work of entering and leaving the warehouse

At present, domestic cold storage management generally adopts manual + paper documents + excel management mode to complete daily billing, storage, delivery, warehouse adjustment, expense settlement, data collection, report production and other business links.

08/03/2020

What is refrigeration？

What is refrigeration?<br></br> 　　Refrigeration: The method of using mechanical equipment to lower the temperature object to the required temperature is called refrigeration.

09/06/2020

Filter structure and material selection

Generally speaking, a filter refers to an accessory that filters impurities or gases through filter paper; according to different filtering functions, it can be divided into: oil filter, fuel filter, air filter, air conditioning filter Wait

06/29/2020

How the compressor works

08/14/2024

The Cold Storage Built in This Way Actually Saves Nearly Half of the Electricity Bill!

Compared with ordinary freezers, the cold storage has a larger cooling area. Because of the large cooling area of the cold storage, the power consumption is relatively large. Today, we will introduce to you how to make cold storage more energy-saving. Learning these skills can reduce operating costs and save energy.

09/18/2020

Copeland compressor scroll series product introduction

The simple concept of Copeland Scroll compressor scroll was first invented in 1905. The scroll is an involute spiral, which meshes with the matching scroll as shown above, forming a series of gradually expanding spaces between the two components.

06/14/2020

Refrigeration unit in artificial environment simulation laboratory

The artificial environment simulation laboratory can simulate the temperature and humidity environment, as well as the climatic environment of rainfall, snowfall, sunshine, wind, sand and dust.

08/20/2020

Switching on and off frequently, you are murdering your air conditioner

In summer, it is inevitable to turn on and off the air conditioner. If it feels cold, you have to turn off the air conditioner. When the temperature in the room becomes hot, you have to turn on the air conditioner.

06/24/2022

HMI Troubleshooting and Maintenance?

HMI (human-machine interface) devices are crucial components of automated systems. An HMI makes it possible for a human to interact with a machine efficiently and productively.