Plate heat exchanger
Plate heat exchangers are a type of efficient and compact heat exchange equipment. Their core structure consists of a series of metal heat transfer plates with specific corrugated shapes, gaskets, clamping plates, and fasteners.During operation, two or more fluids at different temperatures flow in the channels on both sides of the plate, and the heat is efficiently transferred through the heat conduction of the metal plate, thereby achieving the process objectives of heating, cooling, condensation, evaporation, etc.Compared with traditional shell and tube heat exchangers, plate heat exchangers, with their unique plate structure design, significantly improve heat transfer efficiency and space utilization, making them key equipment for energy recovery and temperature control in industrial production and civilian applications.
Product Features
High-efficiency heat transfer
The plate surface adopts a corrugated design (such as herringbone or corrugated shape), which enables the fluid to form a strong turbulent state in the flow channel, breaks the laminar boundary layer, and greatly improves the heat transfer coefficient.With the same heat exchange area, the heat transfer efficiency is 2-5 times that of traditional shell-and-tube heat exchangers, which can significantly reduce equipment size and investment costs.
Compact structure
It adopts a plate stacking structure, which has a highly concentrated heat exchange area. The heat exchange area per unit volume can reach 200-1000㎡/m³, which is much higher than that of shell and tube heat exchangers (usually 10-100㎡/m³).This makes the equipment small in footprint and lightweight, easy to install, transport and maintain, and especially suitable for space-constrained scenarios.
Flexible and controllable
The heat exchange area can be flexibly adjusted by increasing or decreasing the number of heat transfer plates according to actual heat exchange needs, so as to meet the heat exchange requirements under different operating conditions.Meanwhile, it supports heat exchange with multiple fluid combinations, enabling simultaneous heat exchange between multiple fluids and adapting to complex process flows.
Easy to clean and maintain
The equipment has a detachable structure; the plates can be removed for cleaning, maintenance, or replacement after the clamping bolts are loosened.The plate surface is smooth, not easy to accumulate scale, and no complicated special tools are required for cleaning, which can effectively shorten downtime and reduce maintenance costs.
Energy conservation and consumption reduction
High-efficiency heat transfer performance can reduce the energy consumption of heat exchange medium transportation, and at the same time facilitate the recovery and utilization of waste heat, thereby improving energy efficiency.In addition, the plates are made of high-strength, corrosion-resistant metal materials, which have a long service life and further reduce the total life cycle cost of the equipment.
Safe and reliable
High-performance sealing gaskets are used between the plates, providing excellent sealing performance and effectively preventing fluid leakage.Meanwhile, the reasonable structural design ensures that the equipment has low pressure loss and high stability during operation, and can adapt to the working conditions of different pressure levels.
Product Functions
1. Heat exchange: This is the core function of a plate heat exchanger, which can efficiently transfer heat between hot and cold fluids, transferring the heat of the high-temperature fluid to the low-temperature fluid, thus achieving the rational distribution and utilization of energy.
2. Heating and temperature rise: In industrial production or civil applications, low-temperature fluids (such as cold water, cold air, process materials, etc.) can be heated to the required temperature, such as preheating raw materials in industrial production and heating cold water in civil heating systems.
3. Cooling and temperature reduction:Cooling high-temperature fluids (such as industrial wastewater, hydraulic oil, and chemical reaction products) generated during the production process reduces their temperature to the level required by the process or emission standards, ensuring the normal operation of production equipment and reducing energy waste.
4. Condensation recovery:It can be used for the condensation of steam or other gaseous media, converting gaseous media into liquid media, realizing the recycling and reuse of the media, and recovering the heat released during the condensation process to improve energy efficiency.
5. Evaporation and concentration:In industries such as chemical and food processing, heat transfer can be used to evaporate liquid media, thereby concentrating materials and meeting the concentration requirements of production processes.
6. Waste heat recovery:Waste heat from industrial production or daily life (such as waste heat from flue gas and wastewater) can be recovered and transferred to fluids that need heating, thereby achieving secondary use of energy and reducing energy consumption and operating costs for enterprises
Scope of Product Application
Industrial manufacturing sector
Widely used in chemical, petrochemical, metallurgical, machinery manufacturing, power, electronics and other industries.For example, heating and cooling of process materials in chemical production, cooling of rolling oil in the metallurgical industry, and cooling of turbine lubricating oil and waste heat recovery in the power industry.
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Heating, Ventilation and Air Conditioning (HVAC) sector
Central air conditioning systems suitable for office buildings, shopping malls, hotels, residences and other buildings can realize heat exchange between chiller units and air conditioning terminals, as well as heat exchange between boiler hot water and circulating water in heating systems.It can also be used in the heat exchange stage of ground source heat pump and air source heat pump systems.
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Food and Beverage Sector
Because the plates are easy to clean and have good hygiene, they can be used in sterilization, cooling, and preheating processes for products such as milk, juice, beer, and beverages, ensuring product quality and hygiene safety.It is also applicable to the recycling of cooling water during food processing.
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Medical and health field
It is used for heating and cooling of raw materials and intermediates in the pharmaceutical production process, as well as for heat exchange in hospital disinfection equipment and central air conditioning systems; due to its high cleanliness, it can meet the strict hygiene standards of the pharmaceutical industry.
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Water treatment sector
It is applicable to waste heat recovery in industrial wastewater treatment, heat exchange in seawater desalination, and secondary heat exchange in urban centralized heating and cooling systems, thereby improving the efficiency of water and energy utilization.
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