Danfoss Compressor SH242A4ABS

07/02/2020

In the post-new crown era, what are the market opportunities for refrigeration companies

In the post-new crown era, what are the market opportunities for refrigeration companies When we thought that the fear and anxiety caused by the new crown epidemic were going away, when we set up stalls in full swing to prepare for the development of the night economy, the small-scale counterattack of the new epidemic in Beijing made the originally slightly relaxed nerves tense again.

08/13/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.

06/14/2020

Twin screw compressor

Twin screw compressor

07/01/2020

Three major causes of compressor cracks in winter

Three major causes of compressor cracks in winter When using the compressor in winter, we may encounter some problems, such as cracks in the compressor body. There are many ways to cause cracks in the compressor. After summing up, the specifics can be summarized as the following three points:

09/10/2020

In the next two years, the world's bearing demand will reach 76 billion US dollars

According to the forecast analysis report of the global bearing market by the industry research company, the global demand for ball bearings, roller bearings and sliding bearings is expected to grow at an annual rate of 8.5%, reaching 76 billion US dollars by 2014, of which unloading The largest demand for ball bearings and roller bearings.

06/23/2020

The air conditioner suddenly stopped cooling.

1.The air conditioner remote control may not adjust the temperature. 2. It may be that the air conditioner has not been cleaned for too long, which causes dust to accumulate on the filter net, so that the cold air blocking the air conditioner cannot be blown out. 3. There may be leakage of freon in the air conditioner, resulting in too little freon, and the air conditioner is not cooled. 4. Energy saving is due to unstable voltage, which causes the air conditioner to not be cooled. 5. It may be that the number of air conditioners is insufficient, and the small number of horses is not used for cooling in a large area of the house.

07/29/2020

Briefly talk about scroll, screw, piston, centrifugal refrigeration compressor Piston refrigeration compressor

Piston refrigeration compressor<br></br> Piston type (ie, reciprocating) refrigeration compressors are widely used, but the displacement is not large. Generally, they are small and medium-sized compressors. The cooling capacity of general air-conditioning conditions is less than 300kW.

08/06/2020

The frosting direction of the refrigeration system is exquisite, do you know

The frosting direction of the refrigeration system is exquisite, do you know<br></br> 1. If the frosting direction is the compressor return port, it will gradually frost toward the evaporator. The possible reasons are:

09/09/2020

Detailed introduction of air compressor equipment and units in petrochemical industry

In petrochemical enterprises, for the three units of oil refineries (smoke, main fan, air pressure and hydrogen compressor), the five units of fertilizer plants (air compressor, synthesis gas, ammonia compressor, CO2, raw gas or nitrogen pressure) The three units (pyrolysis gas, ethylene, propylene) of the ethylene plant are customarily called large units or key units.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start