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What's the difference between condenser and cooler?
2018-10-25
Today both Condenser and Cooler are very important heat exchanging components in commmercial or industrial refrigeration equipments, which are widely applied in many fields. Lots of customers who look for UAR for model selection are curious about the difference between Condenser and Cooler. So let’s make a brief introduction. 1)Phase change doesn’t occur in Cooler while it happens in Condenser. Ge...
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What is the application for industrial chillers
2020-09-15
Industrial Water Chillers are used in many Industries The cooling pump of industrial chilled water or other liquid is through process or laboratory equipment. Industrial water chillers are used to control the products, mechanisms and factory machinery industries. The industrial water chiller can be centralized; each unit cooling meets a variety of needs, or dispersed in each application or device,...
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What should I do if the air source heat pump unit is frosted in winter?
2018-12-11
What should I do if the air source heat pump unit is frosted in winter? How to quickly defrosting it ? Every heating season, there is always frosting problem, because once the frost can not be timely defrosted, the heating effect will be affected, and it might break down the system . However, there is no product that does not frost, and whether it is possible to defrost in time is the key. If the ...
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Indoor Artificial Ice Rink Refrigeration System Design And Selection
2021-03-11
Indoor Artificial Ice Rink Refrigeration System Design And Selection 1.Refrigeration System Features The refrigeration system of indoor ice skating rink usually adopts two refrigeration methods: direct expansion and indirect cooling. Direct expansion adopts "Hstars" brand condensing unit; indirect cooling adopts "Hstars" brand screw type low-temperature chiller, Glycol is used as a refrigerant to ...
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How to descale the water-cooled condenser
2024-04-11
How does the chiller descale the water-cooled condenser? Many refrigeration units adpot water-cooled cooling system. The inner wall of the water-cooled condenser is easy to scale. These scales will affect the heat exchange effect, resulting in an increase the condensing temperature, which will badly lower cooling capacity and increased unit power consumption. Water-cooled condensers should be regu...
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How dose sewage source heat pump works?
2019-04-16
Using domestic sewage? We are saving your MONEY! Sewage source heat pump is one of the most promising heat pump technologies in the world.It is estimated that by 2020, the new residential heating demand area in seven major provinces and cities in north China will exceed 400 million square meters.At present, the area of central heating (non-clean energy) in north China is 5.13 billion square meters...
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UNITED (GUANGZHOU) A / C & R CO.LTD. Muestra Fuerza de Tecnología Avanzada con Nuevos Intercambiadores de Calor en Exposición de Refrigeración China
2019-04-19
El 9 de abril de 2019, UNITED (GUANGZHOU) A / C & R CO.LTD. participó en la 30ª Exposición de Refrigeración de China, llevándose la intercambiador de calor para unidades de tipo spray y la intercambiador de calo...
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The difference between square type crossflow closed circuit cooling tower and traditional open cooling tower
2019-05-08
H.Stars Group water cooled chiller unit always need to adopt cooling tower to supply water to the cooling system . Hence, H.Stars has summarizes the difference between square type cross flow closed circuit cooling tower and traditional open cooling tower. The cooling water of the open cooling tower is directly contact with the air for heat exchange in the packing process, so the purity of the...
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Square Type Contra-flow closed Circuit Cooling Tower Working Principle
2019-05-14
Regarding to water cooled chiller working system, normally it needs to adopt water cooled chiller, cooling tower, water pump or tank etc. To familiar with H.Stars Group water cooled chiller system, here we are introducing you the working principle of square type contra-flow closed circuit cooling towers first. The working fluid (water, oil or other liquid) flows in the coil clock, ...
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Pharmaceutical Factories, by Using These Ways, Can Clean the Air Conditioning System to Save 40% of the Operating Costs.
2019-05-21
Pharmaceutical factories need to meet the relevant requirements of GMP in the production process, and the temperature, humidity and cleanliness must be controlled within a certain range. Under normal circumstances, when there is no special requirement, the temperature should be controlled between 18 ° C ~ 26 ° C; the relative humidity is controlled at 45% ~ 65%. The clean area of pharmaceutical fa...
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Summary of the Characteristics of Common Used Refrigerants
2021-03-11
The nature of the refrigerant is directly related to the refrigeration effect of the refrigerating equipment, and even personal safety. As refrigerating men, we should understand what the commonly used refrigerants are and how to operate and manage them. 1. R22 Refrigerant The aliases of R22 refrigerant are monochlorodifluoromethane, Freon 22, F-22, refrigerant HCFC-22. Freon R22 is one of the mos...
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The Reason Why the Temperature of Condensers of Water Cooled Chillers are Abnormally High
2019-06-28
Why are the temperature of condensers of water cooled chiller are abnormally high? The water-cooled condenser we mention here is mainly used in water-cooled chillers. Its function is to use the high-temperature refrigerant vapor condenser discharged from the compressor as a liquid refrigerant, which is an important part of the refrigeration system to release heat to the surrounding envir...
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How to help pharmaceutical factories to save electricity on HVACR system
2019-08-30
The raw material medicine is mainly produced by raw material fermentation or chemical synthesis. No matter which production process needs to be carried out at a relatively stable low temperature. Different medicines require different temperatures, such as antibiotic raw materials need to be maintained at around 25 °C during fermentation, other chemical raw materials are produced at tempe...
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How can pharmaceutical air conditioning systems reduce operating costs by 40%
2019-08-30
Pharmaceutical factories need to meet GMP requirements in the production process, and the temperature, humidity and cleanliness should be controlled within a certain range. Under general circumstances, the temperature should be controlled at 18℃~26℃, the relative humidity should be controlled at 45%~65%, the pharmaceutical factory clean area is divided into ABCD level. The C and D level of the wor...
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H.Stars High precision chiller can control temperature within 0.1℃
2019-09-09
1. Some special production processes such as: testing, precision material testing, precision instrument cooling water system, etc., need to ensure that the circulating cooling water inlet water constant temperature or high precision, so that the data or product performance is stable. 2. Water for food and medicine must ensure the temperature of the mixing water to ensure the stability of...
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How to manufacture the shell and tube heat exchanger I
2019-12-20
How to manufacture the shell and tube heat exchanger I Shell and tube heat exchanger is a kind of heat transfer device, which is composed of shell, tube plate, tube bundle, baffle and cover; How is the manufacture to produce the shell and tube heat exchanger? In the manufacturing of heat exchanger, the manufacturing process of cylinder, head and other parts is the same as that of general con...
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How to manufacture the shell and tube heat exchanger II
2019-12-20
How to manufacture the shell and tube heat exchanger II 4. Machining: after checking whether the dimension (outer diameter, thickness) and material of the tube sheet meet the requirements of the drawing, the surface roughness of the machined tube sheet shall not be greater than 25 μ m, and the tube sheet plane shall be visible. 5. Tube plate hole processing: after the tube plate hole of the ...
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The Difference between sewage source heat pump and air source heat pump
2020-01-16
The heat pump is based on the reverse Carnot cycle principle. It doesn’t cost many electricity by refrigerant system. Using refrigerant as carrier to continuously absorb the free low-grade heat energy in the heat source and convert it into high-grade heat energy, thus realizing the transfer of low-temperature heat energy to high-temperature heat energy. According to the different heat source ,H.St...
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