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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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How Does H.Stars Group Produce A High Quality Water Cooled Chiller
2020-09-18
Since H.Stars Group has been established for more than 28 years so far, some of you might wonder how H.Stars produces a high quality water cooled chiller. Below is the detailed production process with strict quality control system and 100% testing before delivery. 1. Chiller Frame welding: clean the bracket and select the appropriate welding method according to the specifications of the welding ma...
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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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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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Application of water chiller in concrete mixing
2021-03-26
In 2004, the Ministry of Construction issued a document that chilled water must be used in the concrete mixer projects such as subways, bridges, and dams. The chilled water varies according to the outdoor temperature across the country, and the general temperature is 2℃-7℃ . H.Stars Group has not been involved in this market before, and customers know little about chillers, so ordinary customers b...
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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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Energy Saving Chiller System with Heat Recovery Unit of 70℃ Hot Water
2021-04-13
The heat recovery chiller is a new type of energy recovery chiller. It has one more heat recovery device than conventional chillers，it is an economical chiller. It can produce hot water for free at the same time when making cold water. The hot water temperature can reach up to 70 degrees. It is very suitable for hotels, guesthouses and pharmaceuticals, electronic constant temperature and humidity ...
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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 measure brine concentration for the brine chiller
2021-05-21
How to measure brine concentration for the brine chiller ? Saltwater brine chillers are also one of the more commonly used refrigeration equipment. Its refrigerant is the so-called brine solution, which has a low freezing point. It is especially suitable for medium and low temperature chillers to carry cold capacity. The temperature is generally required to be controlled at 0 Below ℃, it is usuall...
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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 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 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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H.Stars Group developed a series of new refrigerant equipment with low GWP for carbon reduction and energy saving in 2021
2021-12-07
According to the news on December 23, Chemours announced that from January 1, 2020, they will stop supplying high-GWP R404A and R507A refrigerants to the European Union. At the time of this announcement, Europe is preparing to implement a ban on high-GWP refrigerants in accordance with the European F-gas regulations (517/2014) implemented on January 1. According to the European F-gas phase-out sch...
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How to design cooling system for commercial office building to reduce the emission of carbon dioxide
2022-02-15
First of all we need to understand what is meaning by "carbon dioxide " here. Generally speaking, carbon dioxide emissions refer to the emissions of greenhouse gases such as carbon dioxide and methane. Carbon reduction action is to reduce greenhouse gas emissions, thereby reducing the greenhouse effect. If too much greenhouse gas emissions cause the earth's average temperature to be too high...
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How to design the energy saving cooling system for factory production line and office building
2022-06-15
Project Overview This project is for one of the new factory buildings for one of the 500 fortune company of Dairy industry . The factory new workshop building area is about 17,000 square meters, with a total of 2 floors. H.Stars Group has helped this company to design the energy saving cooling system by adopting low-temperature chiller and low-ambient temperature air source heat pump unit Pr...
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