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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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Dry Type and Flooded Type evaporator structure, principle, difference and advantages and disadvantages
2023-06-12
As we all know, the four major components of the refrigeration system are: compressor, evaporator, condenser, and throttling device. Among them, the type and characteristics of the compressor as the heart of the refrigeration system are more well known than the other three components. In addition, the evaporator is another key component. Do you know about the type and characteristics of the evapor...
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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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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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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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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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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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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 a best purification workshop for edible fungus factory
2022-10-14
A clean room must be built for the industrialization of edible fungi. The clean rooms that need to be built include: laboratory, pre-cooling room, cooling room, and inoculation room. In addition to conforming to the basic specifications of the clean room, the clean room for edible mushroom production should also incorporate the concept and production process of edible mushroom production into the ...
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What Size Heat Pump Do I Need
2023-07-12
Choosing the right size heat pump is essential for optimal performance and energy efficiency in industrial applications. As an industrial user in the HVAC industry, it's crucial to understand the benefits of correctly sizing a heat pump, the problems associated with undersized and oversized units, and why relying on rules of thumb and online calculators can lead to inaccurate results. In this blog...
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How Noisy are Heat Pumps
2023-07-12
Introduction: For users in the industrial sector considering the installation of a cooling system, noise levels are an important consideration. In this blog post, we will explore the topic of heat pump noise and address common questions such as how noisy heat pumps are, how much noise they actually make, and where the noise originates from. By understanding these aspects, users can make informed d...
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How to Build an Ice Skating Rink
2023-07-20
Introduction: Building an ice skating rink requires careful planning and execution to create a safe and enjoyable experience for skaters. Whether you are looking to construct an ice rink for recreational purposes or professional events, understanding the key aspects involved is crucial. In this blog post, we will explore three important topics related to building an ice skating rink: the thickness...
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