The application of vacuum system for heat exchanger unit is the choice of most enterprises at present. The heat exchange unit is composed of heat exchanger, vacuum system, temperature control valve group, steam trap group (when the heat medium is steam), circulating pump, electric control cabinet, base, pipeline, valve, instrument, etc., and can be equipped with expansion tank, water treatment equipment, frequency control of water pump, temperature control valve, remote communication control, etc., so as to form a complete heat exchange station. The heat exchange unit has standardized and modular design, complete configuration, convenient installation, high efficiency and energy saving. The heat exchanger unit has the advantages of compact structure, reliable operation, simple and intuitive operation, and is the first choice of high-efficiency and energy-saving products.
What is the working principle of heat exchange unit?
The working principle of the heat exchange unit is to automatically and continuously convert the heat from the primary network to the domestic water and heating water needed by the users. That is, the hot water enters the plate heat exchanger from the inlet of the primary side of the unit for heat exchange, and then flows out from the outlet of the primary side of the unit; after the dirt is removed by the filter, the return water from the secondary side enters the plate heat exchanger for heat exchange through the circulating water pump at the secondary side to produce hot water with different temperatures such as heating, air conditioning, floor heating or domestic water to meet the needs of users.
After filtration and decontamination, the secondary water circulates into the heat exchanger and is heated by steam or high temperature water for heating. After steam or high temperature water enters the plate heat exchanger, it turns into condensate or high-temperature backwater and returns to the heat source to carry out the loop circulation of primary and secondary heating system. The make-up pump pumps the soft water into the system to keep the system pressure constant.
Application characteristics of vacuum system for heat exchanger unit：
1. The industrial control calculation or intelligent temperature regulator is used to make the water supply temperature intelligent control, that is, the water supply temperature can be set according to the program, which can change with the outdoor environment temperature, standard room temperature and time, with high heating quality and energy saving.
2. Industrial computer displays, stores and prints various operating parameters, including: heat medium flow rate, heat medium temperature, heat medium pressure, heat supply quantity, outdoor temperature, standard room temperature, water supply temperature, condensate temperature, water supply pressure, etc.
3. During steam water heat exchange, condensate heat exchange section and condensate temperature control are set to make full use of condensate heat.
4. The system adopts frequency conversion control, automatic water supply and voltage stabilization.
5. Adopting high-performance stainless steel plate heat exchanger, the unit has small volume and small floor area.
6. The circulating water pump can operate with variable frequency.
7. Standard modular design, according to the user’s situation, flexible selection of control content, reduce investment.
8. The operation parameters are displayed in a centralized way, which is convenient and reliable.
9. KL plate heat exchanger unit is compact in structure. The plate heat exchanger with high energy efficiency ratio and small volume designed and manufactured by our company is selected. The water pump adopts imported or domestic high-quality vertical water pump, with compact structure and small installation space.
10. The operation is simple and the installation and maintenance are convenient. The control and heat exchange regulation of the heat exchange unit adopts imported or domestic famous brand control elements and systems, with reliable operation, excellent performance and high degree of automation. The operation of heat exchange unit can be mastered by simple training.
The vacuum system application products for heat exchanger unit are suitable for heating, bathing and air conditioning system in residence, office, factory, mine, hospital, hotel, school and so on. The integral heat exchanger unit can be used for water exchange and steam water exchange.
The unit is composed of heat exchanger, circulating pump, make-up water pump, electric control cabinet, filter, base, pipeline, valve, instrument, etc., and can be equipped with automatic constant pressure water supply device, water treatment equipment, water tank, frequency control of water pump, temperature control valve, remote communication control, etc., thus forming a complete heat exchange station. The unit has standardized and modular design, complete configuration, convenient installation, high efficiency and energy saving. It has been widely used in district central heating, central air conditioning, domestic water, enterprise production process water and other systems.
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