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What is the role of refrigerant in a chiller?
The refrigerant itself circulates continuously in the refrigeration system, and then achieves refrigeration through its own state changes. The refrigerant absorbs the heat of the cooled medium in the evaporator and vaporizes, while in the condenser, the heat is transferred to the surrounding air or water and condensed. When the refrigeration cycle system of the chiller is running, the refrigerant is also indispensable. The refrigerant flows continu
Details of the main accessories of a low temperature Chillers
Main accessories of low temperature Chillers 1. Main structure The unit mainly consists of a semi enclosed screw compressor, water-cooled condenser, filter, liquid control valve, electronic expansion valve, dry evaporator, electrical control system, etc. in Hanzhong, Taiwan. Compressor
How to carry out the maintenance of industrial chiller compressor?
(1) The purpose and content of maintenance 1. Purpose of maintenance The piston refrigeration compressor of the Keno industrial chiller should not only be operated and adjusted correctly and reasonably during use, but also undergo regular maintenance and repair work to ensure that the chillers is in good working condition. The normal operation of a piston refrigeratio
Introduction to maintenance rules and regulations for chillers
The air-cooled chiller was initially designed with multiple protective devices, which played a significant role in its use. However, regardless of how many protective devices are designed, as the service life of the chiller equipment increases, various problems may arise with the service life of its various components. In order to ensure high refrigeration efficiency and long service life of the chiller equipment, we need to carry out daily mainten
How to deal with the compressor of the screw chiller unit not returning oil?
If the oil return of the screw chiller compressor is not smooth, it is a very headache. Generally speaking, the main reason for the poor oil return of the screw compressor is due to the phenomenon of gas mixture between lubricating oil and refrigerant during operation. Specifically, during the operation of the refrigeration system, encountering refrigerant and refrigeration machine lubricating oil immiscibility can cause the lubricating oil in the refrigeration compressor to be discharged into the condenser in the form of mist a
Can industrial chillers be cleaned with acid?
In normal applications, refrigerators require regular and scientific cleaning and cleaning, which is also an indispensable part of maintenance. The main components include the condenser, evaporator, and various pipelines. The condenser and evaporator, especially the water-cooled condenser and evaporator, must be regularly cleaned and cleaned, which is beyond doubt. However, air-cooled condensers and evaporators, as they do not directly come into contact with cooling water on the outer layer, only need to pay attention to the cle
What is the relationship between the refrigeration efficiency and time of industrial chillers?
The exhaust temperature of an chiller unit is too high and can directly affect the service life of the equipment, because the speed of chemical reactions inside the equipment will continuously increase with the increase of temperature. Generally, the insulation material used will reduce its service life by half for every 10 degrees Celsius or more increase in temperature. Today, we will focus on discussing the relationship between the refrigeration efficiency and time of industrial chiller. Interested friends can take a look tog
How to determine the temperature of throttling liquid in industrial chillers?
Supercooling the liquid before throttling is generally beneficial for improving the economic efficiency of industrial chiller refrigeration cycles, but it increases equipment investment and direct operating costs. In actual use, specific conditions should be considered and a technical and economic analysis should be conducted to determine whether liquid subcooling should be used. 1. How to determine the temperature of throttling liquid in industria
What are the reasons and treatment methods for the odor generated by the chiller?
Unconsciously, spring has quietly arrived, and the arrival of summer is not far away. As the ambient temperature rises, the use of chillers becomes more and more frequent, and sometimes it is found that the chillers produce an odor. What is an odor? It refers to the abnormal odor produced by the chiller through physical and chemical changes under the influence of external factors. There are generally several reasons for the odor generated by the chiller, which you can refer to:
Six reasons why the chiller does not cool down are explained to you
Enterprises and individuals often encounter various problems when using chillers in their daily lives. Today, chiller manufacturers will talk to you about a common problem with ice water refrigeration unit, which is that the chiller does not cool. What's wrong with the chiller not cooling? After conducting experiments with technical personnel from my chiller manufacturer, it was found that there are usually six reasons why centrifugal chillers do n
How can a chiller be used to save costs more?
Many enterprises require a low-temperature environment to complete production tasks, as the cost of using air-cooled chillers to reduce environmental temperature is relatively low and is very suitable for long-term use by enterprises. In addition, influenced by the production technology of domestic chillers, the environmental performance of many chiller equipment continues to improve. On the basis of excellent environmental performance, using chillers can create a high-quality low-temperature environment for enterprises in a sho
What are the conditions that must be met when installing industrial chillers?
With the continuous development of society, many enterprises have a great demand for refrigeration. The continuous development of technology also makes enterprises prioritize choosing industrial chillers to meet their refrigeration needs, and in the process of use, they are more efficient and energy saving, creating higher economic benefits for enterprises. The refrigeration principle of an industrial chiller is to inject a certain amount of water
What are the clever shutdown methods for screw chillers?
People often ask the editor: What is a good way to safely shut down a screw chiller? Today, the editor will share with you the following tips for shutting down screw chillers, hoping to be useful to everyone! 1. Screw chiller unit - normal shutdown 1. Slowly close the suction valve of the compressor.
How to control the noise of the chiller?
During the operation of the chiller, significant vibrations are generated during the operation of the equipment. These vibrations have already affected the surrounding environment and normal human life. The noise generated by these vibrations also needs to be promptly addressed. It is recommended to pay attention to the following issues when controlling the noise of the chiller unit: 1. Attention should be paid to the source of noise in the refrige
What is the temperature control method of industrial chiller?
We have been specializing in industrial chiller products for many years and have a certain understanding of refrigeration unit. Next, let`s talk about industrial chiller, which are commonly used refrigeration equipment in the industrial refrigeration industry. They have many types, complete models, affordable prices, and can be specially customized with a wide range of applications. What's more important is that the industrial chiller has high temperature control accuracy and a wide temperature control range. So, what is the tem
How to disassemble and repair a screw chiller
To repair the screw chiller, first close the suction and exhaust check valves, and remove the refrigerant from the vent valve on the oil separator. You can also collect the Freon into the empty cylinder through the fluorine collector from the bottom joint of the evaporator, and dismantle it. Remove the coupling, then remove the oil pipe connected to the compressor, the compressor foot plate bolts and the compressor suction and exhaust port connecting bolts, take out the suction filter, and use the lifting eye screws to lift the
What is the actual cooling capacity of the screw chiller related to and its use?
During the operation of the screw chiller, the main parameters to be controlled are the refrigeration performance coefficient, its rated cooling capacity, its input power and refrigerant type, etc. The selection of the screw chiller should be considered based on the cooling load and purpose. . For refrigeration systems that operate at low load for a long time, a multi-head piston compressor unit or a screw compressor unit should be used to facilitate adjustment and save energy.
Main accessories of cryogenic freezer in detail
Main accessories of cryogenic chillers 1. Main structure The unit is mainly composed of Taiwan Hanzhong semi hermetic screw compressor, water cooled condenser, filter, liquid control valve, electronic expansion valve, dry evaporator, electrical control system, etc. Compressor
Working principle of screw chiller
The screw chiller is named screw chiller because its key component, the compressor, uses a screw. The refrigerant that comes out of the evaporator of the unit is gas; after adiabatic compression by the compressor, it becomes a high temperature and high pressure state. The compressed gas refrigerant is isobarically cooled and condensed in the condenser. After condensation, it changes into liquid refrigerant, and then expands to low pressure through the throttle valve and becomes a gas liquid mixture. The liquid refrigerant under low temp
How to choose the expansion valve of the chiller
The expansion valve of the Refrigeration Unit an important role in its operation. Through the refrigeration and heating temperature control system, the whole machine can operate normally. Therefore, the correct selection of the expansion valve of the air cooled chiller is very critical. What should we pay attention to? This can first be paired based on the size of the evaporator compound and the evaporation temperature. There are many specifications of expansion val
How can manufacturers ensure the quality of chillers under normal circumstances
Before producing a chiller, the chiller manufacturer will consider the industry, refrigeration capacity, structure, etc. that the product is suitable for, and consider the actual usage environment for certain optimizations during design and assembly. To ensure the quality of the cooler product, it is necessary to use high quality accessories, including the most important compressor components, as well as the selection of condenser, evaporator, expansion valve, and other parts, al
What are the common causes of low-pressure alarms in chillers?
The low pressure alarm of the chiller is usually caused by the low suction pressure of the compressor. Under normal circumstances, the suction pressure of the compressor should be within a certain range. When the suction pressure is below a specific value, the low pressure protection relay will be triggered, resulting in insufficient return air volume, insufficient cooling capacity, and unnecessary power loss. The common causes of low-pressure alarms in chillers include the follo
How can manufacturers ensure the quality of chillers under normal circumstances
A good chiller manufacturer needs a professional R&D team to design stable, efficient, and energy-saving chillers based on market demand and user feedback. During the design process, it is necessary to consider factors such as the operating environment, frequency, and load changes of the equipment to ensure that the chiller can operate stably under various conditions. High quality raw materials and accessories are the foundation for ensuring the quality of Screw Chiller. Manuf
How does a chiller control the temperature of chemical reactions?
The operator sets the target temperature of the chiller according to the requirements of the chemical reaction. This temperature is usually determined based on the kinetics, thermodynamics, and required product mass of chemical reactions. The chillers operates by circulating coolant (usually water or ethylene glycol solution). After being cooled in the chiller, the coolant is transported
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.