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How to produce a coil heat exchanger
2020-04-17
As we all know, coil heat exchangers are very important part of a air cooled chiller and air source heat pumps. How does a factory produce coil heat exchangers? Below are total 9 different procedures to maintain superior quality products. 1. Material preparation (copper tube, end plate, side plate, middle support plate, short U-head, gas / liquid tube, liquid distribution tube) 2. Fin stamping (pu...
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Magnetic Bearing Centrifugal Chiller Units
2020-04-30
Magnetic Bearing Centrifugal Chiller installed for one of the commercial building This is a central air-conditioning project for the Industrial bank commercial building. The office has a total air-conditioning area of 8,000 square meters and other supporting areas of 2000 square meters. Device configuration instructions of Magnetic Bearing Centrifugal Chiller Units This project has selected two un...
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Shell and tube heat exchanger gaskets options
2020-06-06
In the design and manufacturing process of UAR shell and tube heat exchangers, how to ensure the encapsulation of the product is a very important topic. At present, there are many seal materials available on the market, the media in the container are diversified, and the physical properties of various media vary greatly. Choosing the right sealing gasket according to the working conditions a...
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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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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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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 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 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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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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