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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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The difference between square type crossflow closed circuit cooling tower and traditional open cooling tower
2019-05-08
H.Stars Group water cooled chiller unit always need to adopt cooling tower to supply water to the cooling system . Hence, H.Stars has summarizes the difference between square type cross flow closed circuit cooling tower and traditional open cooling tower. The cooling water of the open cooling tower is directly contact with the air for heat exchange in the packing process, so the purity of the...
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Square Type Contra-flow closed Circuit Cooling Tower Working Principle
2019-05-14
Regarding to water cooled chiller working system, normally it needs to adopt water cooled chiller, cooling tower, water pump or tank etc. To familiar with H.Stars Group water cooled chiller system, here we are introducing you the working principle of square type contra-flow closed circuit cooling towers first. The working fluid (water, oil or other liquid) flows in the coil clock, ...
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Pharmaceutical Factories, by Using These Ways, Can Clean the Air Conditioning System to Save 40% of the Operating Costs.
2019-05-21
Pharmaceutical factories need to meet the relevant requirements of GMP in the production process, and the temperature, humidity and cleanliness must be controlled within a certain range. Under normal circumstances, when there is no special requirement, the temperature should be controlled between 18 ° C ~ 26 ° C; the relative humidity is controlled at 45% ~ 65%. The clean area of pharmaceutical fa...
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Magnetic Oil Free Centrifugal Chiller Advantages
2019-08-26
With the rapid development of the times and economy, energy conservation, environmental protection, and emission reduction have become an indispensable new era mission. For a long time, the problems of “high energy consumption and secondary pollution” of central air-conditioning have brought great burdens to various industries. In the process of product operation, oil pollution, greenhouse ef...
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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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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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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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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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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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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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What is the DC Inverter VRF System and what's the Advantages of VRF System
2023-04-26
A DC Inverter VRF System is a type of Variable Refrigerant Flow (VRF) system. It is a type of air conditioning system that uses DC Inverter technology to optimize the operation of the system and reduce energy consumption. Unlike conventional AC systems, the DC Inverter VRF system has a variable speed compressor which allows it to provide more precise temperature control and better energy efficienc...
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Explore China's Mid-Autumn Festival
2023-09-28
The Mid-Autumn Festival is approaching, and H.Stars Group invites you to learn about its celebration and delicious mooncakes. Celebration The Mid-Autumn Festival is a time for family reunions. Families gather from far and wide to share dinner and joyful moments, emphasizing the importance of family and kinship in Chinese culture. On the night of the festival, people come together to enjoy mooncake...
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Effective Refrigerant Charging Techniques for HVACR product Systems
2024-04-19
It comes to charging refrigerant in HVAC systems, there are various techniques that be utilized for accurate results. Each method has its advantages and is suitable for different scenarios. In this article, we will explore six charging techniques and their applications. 1. Weighing Method: The weighing method is the most accurate approach, involving the direct addition of the required amount of re...
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A Guide to Select Heat Exchanger Material for Sea Water Marine Applications of Offshore Platforms
2024-04-30
The rapid development of petrochemical equipment on marine platforms all over the world, driven by the implementation of the national marine development strategy and the success of projects like the National Offshore Oil Corporation, underscores the importance of seawater heat exchangers. These devices are crucial for the smooth operation and economic performance of offshore platforms, impacting s...
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