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H.Stars Group has launched the first batch of catalogs with 9 different types
2020-03-25
H.Stars Group has launched the first batch of catalogs with 9 different types. For more details or soft copy of our catalogs, welcome to contact us sales@hstars.com.cn . After launching the first batch of 9 new catalogs, H.Stars Group has been informed by clients overseas that they start to understand our products more. The first batch of catalogs is mainly for medium and large centrifugal and scr...
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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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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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Application of double source heat pump unit in automobile painting workshop
2020-07-16
Automobile production and manufacturing process includes stamping, welding, coating and general assembly. According to relevant statistics, coating workshop involves heating, cooling, power, communication control, lighting, etc. energy consumption accounts for a large proportion in the whole manufacturing process (stamping, welding, coating, etc.), accounting for more than 70% of the cost. The gen...
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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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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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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 select and design with industrial low temperature chiller unit
2021-04-20
Recently, when communicating with some customers, we found that we were not very clear about the type selection and system design of low temperature units. However, the low temperature chiller is a very important equipment for chemical industry, raw material pharmaceutical factory and other enterprises, and it is also the place with the largest energy consumption for such enterprises. Therefore, h...
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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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90℃ dual source heat pump | Hstarschiller.com
2021-12-07
H.Stars Group has recently signed a contract with 90℃ dual source heat pump unit project for one of the famous automobile factory to replace the traditional boiler. Below are the features of high-efficiency 90-degree dual source heat pump: 1. Special design and customized size for easy installation. 2. Adopt the special compressor of Hanbell high temperature heat pump, with high compression ratio,...
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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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How does the chiller manufacturer guarantee the quality of the chiller
2021-06-04
Before manufacturing water chillers, chiller manufacturers will design considerations for the industry, cooling capacity, structure, etc. of a product, and consider the actual use environment to make certain optimizations when designing and assembling. . So how does the industrial water chiller manufacturer ensure the quality of the water chiller? To ensure the quality of chiller products, it is n...
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