Emerson Nidec Servo Drive DBE-750

09/03/2025

Air Compressor Troubleshooting and Solutions

With the development of motor technology, compressor is considered as "general machinery", especially in coal chemical industry, machinery industry and other industries.

07/07/2020

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

08/20/2020

Common problems that should be paid attention to in the selection of cold storage forklifts

With the development of the Chinese economy and the increase in the urban population, the consumption level of the people continues to increase, and the demand for refrigerated food in the society is also showing explosive growth.

07/23/2020

How to reduce the discharge temperature of refrigeration compressor

The refrigeration compressor is the core and heart of the refrigeration system. The capacity and characteristics of the compressor lead to the capacity and characteristics of the refrigeration system. In a sense, the design and matching of the refrigeration system is to reflect the capacity of the compressor.

09/14/2020

Application of synthetic compressor oil

At present, synthetic lubricants are widely used in the compressor field. Among them, oil-injected and oil-immersed rotary screw air compressors and large reciprocating compressors are one of the most used markets.

06/21/2020

Common failure and analysis of centrifugal air compressor

Common failure and analysis of centrifugal air compressor 1. Abnormal vibration and noise: ① Misalignment ② The compressor rotor is unbalanced ③ The impeller is damaged ④ The bearing is abnormal ⑤ The coupling is faulty or unbalanced ⑥ The sealing ring is bad ⑦ The oil pressure and oil temperature are abnormal ⑧ There is dirt in the oil Clean, wear out the bearing ⑨ Surge ⑩ The stress of the gas pipeline is transmitted to the casing, which causes misalignment ⑪ There is a machine working near the compressor<img src="{{media url=&quot;Common_failure_and_analysis_of_centrifugal_air_compressor.jpg&quot;}}" alt="" />

07/30/2020

What should be paid attention to to make cold storage more energy-efficient?

1. The index to reduce the unit heat flow of the enclosure structure of the cold storage. In the design of the cold storage, the unit heat flow q of the outer wall of the low-temperature cold storage is generally about 11.63W.

08/24/2020

What are the profits behind the cold storage Why do so many people choose to build cold storage

Nowadays, the weather has gradually become hot. Everyone turns on the air conditioner to cool down indoors. It is not only humans who need to cool down, but also fruits, vegetables, ice cream, poultry, medicine,

09/04/2020

Experts teach you to distinguish six major misunderstandings in the installation and use of inverters and their countermeasures

Today we introduce the six major misunderstandings and countermeasures in the installation and use of inverters. 　　 frequency converter

10/05/2023

Freeze Drying vs Dehydration: Is a Freeze Dryer and a Dehydrator the Same Thing

When it comes to preserving food, there are a variety of methods that can be used. Two of the most common methods are freeze-drying and dehydrating.