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Impact of New Coronavirus (COVID-19) on Refrigeration
2020-07-23
The current epidemic situation has changed both China and the world. Many companies are facing severe crises, and some large companies cannot bear it. They have begun to reduce personnel costs. News broke out one after another, Hisense Haier layoffs, and some companies laid off 500 people on the first day of resumption of work. In the next six months or longer, regardless of whether large, medium ...
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H.Stars ±0.1℃ high-precision chiller for Laboratory of the university
2020-09-03
Project Background The Synchrotron Radiation Laboratory of the University of Science and Technology of China has built China's first dedicated synchrotron radiation source mainly based on vacuum ultraviolet and soft X-rays. To ensure the reliability and stability of the light source, it is necessary to provide stable constant-temperature cooling water in the device. The temperature should be contr...
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Meet in Chongqing,Meet in Refrigeration Exhibition | Hstarschiller.com
2020-09-03
The 31st International Exhibition on Refrigeration, Air Conditioning, Heating, Ventilation and Food Frozen Exhibition (abbreviated as China Refrigeration Expo 2020) will be held at Chongqing International Expo Center from August 19 to 21, 2020. At that time, Guangzhou United A/C&R Co., Ltd. will bring its self-developed all-stainless steel products, titanium tube evaporator, and H.Stars ...
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Basic requirements for structural design of low temperature heat exchanger
2020-09-09
Carbon steel and low-alloy steel heat exchangers (design temperature lower than -20℃), austenitic stainless steel heat exchangers (design temperature lower than -196℃) are low temperature heat exchangers, and the structural design should follow the following in principle. Material selection of low temperature heat exchanger: 1. Use temperature of plastic materials Polyvinyl chloride (PVC) -15℃~+80...
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The Difference of Three Types Heat Exchanger in Hot Water unit
2020-10-26
In general, tube heat exchanger in hot water unit has long life span. Shell and tube heat exchanger structure: The shell and tube heat exchanger is composed of shell, heat transfer tube bundle, tube sheet, baffle plate (baffle plate), and tube box. The shell is mostly cylindrical with a tube bundle inside, and both ends of the tube bundle are fixed on the tube plate. There are two types of heat tr...
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Comparison Between Magnetic Centrifugal Chiller with Screw Chiller Difference Point and Advantage
2024-04-11
It is understood that the magnetic bearing chiller is a new type of centrifuge equipment appearing in the international market. Compare to screw chillerIts main characteristics are fast speed, low noise, energy saving, intelligent management, in line with the trend of green development, and the magnetic levitation technology is in the world's leading level. Magnetic levitation compressor . bearing...
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The Role and Characteristics of Condenser in Refrigeration System
2020-11-16
The four major components of the refrigeration system are compressor, evaporator, condenser and throttling device. The role of the condenser in the refrigeration system is mainly to cool and liquefy the gaseous refrigerant in the high temperature and high pressure state discharged from the compressor, so as to meet the requirements of the circulating use of the refrigerant in the system. The selec...
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What is a plate and shell heat exchanger | Hstarschiller.com
2020-12-07
The plate and shell heat exchanger is composed of a plate bundle composed of a plate group and a shell. It is a plasma arc welded corrugated plate group placed in the shell instead of the heat exchange tube of the original shell and tube heat exchanger. The plate group is used as the heat exchanger of the heat transfer element. The two fluid media respectively flow through the plate side and the s...
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H.Stars Screw Chiller Cools Rubber Seals and Reduces Electricity Bills
2020-12-18
In the production process of rubber and plastic seals and special rubber products, 15℃ constant temperature water is required to cool the rubber mixing process, so that the semi-finished product shape is fixed and instantly formed. If accurate low-temperature water cooling is not provided, the output and quality of the product will be seriously affected . At this time, a rubber-plastic screw chill...
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Tips for seasonal water chiller system shutdown in winter
2021-03-12
Introduction: Winter is coming, and the ambient temperature is about to drop below zero. This will cause great damage to the chillers, water pumps, cooling towers, terminals and other equipment. In order to ensure that chillers work normally during winter, the chiller has to survive in the low temperature environment, because it will cause a great loss to users if the unit is not maintained with p...
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Upgraded high-efficiency plate and shell heat exchanger advantages
2021-04-02
The plate and shell heat exchanger is composed of a plate bundle and a shell composed of a plate group. The corrugated plate group is put into the shell by plasma arc welding, instead of the heat exchange tube of the original shell and tube heat exchanger, with corrugated The plate group is used as the heat exchanger of the heat transfer element. The two fluid media respectively flow through the p...
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How to reduce the initial investment and operation cost of low-temperature chiller for chemical plants
2021-04-23
Nowadays, chemical plants always consider how to reduce the initial investment and operation cost when they need to install a low-temperature chiller system for the factory. Because low temperature refrigeration unit is a very important equipment in chemical plant, which plays an important role in safety production. The initial investment of low-temperature refrigeration unit is large, and i...
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How to design a reliable artificial ice rink refrigeration system
2021-06-11
Nowadays, as the increasing economy of peoples life, more and more people are in need of ice rink . Therefore, many engineer company is worried about designing a best ice rink refrigeration system with reliability and energy efficient goal. Here are some best suggestions for you before you build an ice rink. Better take a look and it will help you save your time and money. 1. Refrigeration system ...
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What is the energy saving and cost saving cooling system for sand mill in printing ink factory
2021-07-15
The development of Chinese ink industry can be traced back to the beginning of the 20th century. Since the reform and opening up, the domestic ink market has developed rapidly, and inks have been widely used in various media such as paper, metal, glass, and plastic. In recent years, affected by the further advancement of environmental protection work, the price of some chemical raw materials has r...
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How to design a water chiller system with AHU for pharmaceutical factory workshop
2021-08-20
Nowadays, it’s become more and more aware of pharmaceutical enterprises to realize the significance of building an efficient and green to environment cooling system in the factory, because it can not only help the owner to save the running cost but also contribute to the society by reducing the emissions, especially for those developed countries . But how to design a simple but energy saving cooli...
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How to design an intelligent high efficiency air cooled chiller especially for Offshore Drilling Platform
2021-08-27
Nowadays, oil and gas has become very important and essential to our lives. However, how does the workers to work at the drilling platform with comfortable air conditioning system ? It’s very important for HVAC engineers to make sure how to design an intelligent high efficiency air cooled chiller especially for Offshore Drilling Platform. Today H.Stars Group will give you an actual real case to di...
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How to select the qualified chiller for an Ice skating rink
2022-09-23
Ice sports cannot be separated from ice rinks. With the development of technology, artificial ice rinks are constantly emerging. The design of the artificial ice rink should consider the location conditions of the ice rink, the purpose of the ice rink, and the geographical location of the ice rink. The design of artificial ice rink should pay special attention to the requirements of ice rink struc...
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How to design a water cooled chiller for UHV electrode foil production line
2022-09-23
A proper water cooled chiller system for UHV electrode foil production line is very essential and important to the industry. However some HVAC engineers still have doubts on how to design a cooling system. Here we will bring a case reference for you. Project Overview This plan is designed for the aluminum foil production line one of the Western Electronic Technology Co., Ltd. The project is ...
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