Delta Fan DFB0912H

06/24/2020

What's wrong with the freezer not cooling

There are four main reasons: the first is the lack of refrigerant and the compressor has problems; the second is the problem of the power cord of the freezer; the third is the frost in the evaporator of the freezer; the fourth is that the storage in the freezer is too full. Of course, no matter what the reason is, you should find a professional to help repair the loophole or add refrigerant.

07/30/2020

Precautions for cold storage installation

Library refers to the use of artificial means to create an environment different from outdoor temperature or humidity. Pay attention to the following points when installing cold storage:

08/09/2020

Common fault solutions and improvement measures of air energy heat pump compressor

The air energy heat pump system is widely used in hot water, heating, drying and other fields. Its characteristic is that most of the heat energy comes from the low temperature heat energy in the air energy,

08/06/2020

Basic knowledge of air source heat pump

Brief introduction of heat pump<br></br> 　　 There are many applications of pumps in daily life. The pump is a device to increase the potential energy. There are water pumps, air pumps, oil pumps, etc. according to different uses.

09/03/2020

What should be paid attention to in the safety monitoring and management of air separation plants in petrochemical enterprises

Users of air separation equipment in petrochemical enterprises should focus on strengthening management and monitoring of air separation equipment in the following links:

09/06/2020

Enterprise Guide-Purchase Air Compressor Pre-test

1. The feasibility of power saving transformation of air compressor The energy consumption of air compressors during use is obvious to all. The Zhongtian high-pressure fan power saver developed by okmarts.com based on the principle of frequency conversion can save electricity for all motor-driven air compressors. The overall power saving effect is remarkable, with a power saving rate of 20-50%.

06/14/2020

Characteristics of scroll compressor

(1) High efficiency: 90～98%. The suction, compression, and exhaust processes of the scroll compressor are continuous and unidirectional, and the harmful overheating of the suction gas is small; the pressure difference between the adjacent working chamb器2䀀
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08/09/2020

New Explanation of Basic Knowledge of Small Chiller System

Small water chiller is a kind of water cooling equipment, small water chiller is a kind of cooling water equipment that can provide constant temperature, constant current and constant pressure.

07/07/2020

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

07/23/2020

The influence of capillary tube length on refrigeration system parameters and troubleshooting

The capillary tube generally refers to a slender copper tube with an inner diameter of 0.4~2.0mm. As the throttling mechanism of the refrigeration system, the capillary tube is the simplest one. Because of its low price and flexible selection, it is widely used in small refrigeration devices.