Heat exchanger units at heating stations
Heat exchange units in heating stations are the core heat exchange equipment in centralized heating systems. They transfer heat energy from the primary network (high-temperature heat sources, such as municipal heating networks and boiler hot water) to the secondary network (low-temperature user side, such as building heating and domestic hot water systems) through high-efficiency heat exchangers.It simultaneously enables intelligent control of temperature, pressure, and flow, making it a key hub connecting heat sources and end users.The unit integrates core components such as heat exchangers, circulating pumps, makeup water pumps, valves, instruments, and control systems, and adopts a modular design.It can be flexibly configured according to actual needs and is widely used in various centralized heating scenarios.
Competitive advantage
The company conducted a competitive advantage analysis to identify its strengths and weaknesses compared to its rivals.
Highly efficient and energy-saving with outstanding heat exchange efficiency
It uses plate heat exchangers or shell-and-tube heat exchangers as the core heat exchange elements.High heat transfer coefficient (the heat transfer coefficient of plate heat exchangers can reach 3000-5000W/(㎡・℃)), heat exchange efficiency is improved by 15%-30%, which can maximize the utilization of heat source heat energy and reduce energy loss;With the addition of variable frequency energy-saving technology, the circulating pump and water supply pump can dynamically adjust their operating power according to the load, further reducing energy consumption.
01
Intelligent control, stable and reliable operation
Equipped with a PLC intelligent control system, integrating detection elements such as temperature sensors, pressure sensors, and flow meters.It can monitor the temperature, pressure, and flow parameters of the primary and secondary networks in real time, automatically adjust the valve opening and pump speed, and achieve unattended automatic operation;The system has multiple safety protection functions, including overload protection, water shortage protection, and over-temperature and over-pressure alarms, effectively preventing equipment failure and ensuring operational stability.
02
Modular design for convenient installation and maintenance:
The unit adopts an integrated modular design, prefabricated and commissioned in the factory before shipment as a complete unit.Only inlet and outlet pipes and power supply need to be connected on site to put it into use, shortening the installation cycle by more than 50%;The core components are rationally laid out, with reserved space for maintenance, and the easily damaged parts are highly interchangeable, making subsequent maintenance and replacement convenient and reducing operation and maintenance costs.
03
Wide adaptability and flexible customization
The heat exchanger type (plate type, shell and tube type), pump set specifications, and control mode (manual/semi-automatic/fully automatic) can be flexibly configured according to the user's heat source parameters (temperature, pressure), heating area, load requirements, etc.It is compatible with heating stations of different sizes (residential communities, commercial complexes, industrial plants, etc.), and the heating area of a single unit can cover 500-100,000㎡.
04
Environmentally friendly and low-noise, green and friendly
Adopting a low-noise pump set and optimized airflow design, the operating noise is ≤75dB (A), which meets indoor and outdoor noise standards;The equipment is made of food-grade stainless steel and carbon steel with anti-corrosion treatment, with no pollutant emissions and high thermal energy utilization rate, reducing fossil energy consumption and contributing to green heating.
05
Product Functions
The core function is to achieve efficient heat exchange between high-temperature hot water in the primary network and low-temperature hot water in the secondary network.The secondary network water temperature is raised to the temperature required by users (heating water supply temperature 45-60℃, domestic hot water temperature 50-60℃) to meet the heating needs for heating and domestic hot water.
The intelligent control system automatically adjusts the opening of the primary network regulating valve to control the heat exchange rate; and adjusts the speed of the circulating pump to ensure stable secondary network flow.Adjust the operation of the water supply pump to maintain the secondary network system pressure within the set range (usually 0.3-0.6 MPa) to prevent system water shortage or overpressure.
It has multiple safety protections: water shortage protection (automatic shutdown and alarm when the secondary network water level is lower than the set value), over-temperature protection (close the regulating valve and alarm when the primary or secondary network water temperature exceeds the limit), over-pressure protection (automatic opening of the pressure relief valve when the system pressure exceeds the standard), and overload protection (automatic shutdown when the pump current is overloaded), ensuring the safety of equipment and system.
Integrates flow meters and heat meters, enabling real-time monitoring of flow and heat consumption in the primary and secondary networks. Data can be stored and exported.This system facilitates energy consumption statistics and billing calculations for heating companies; it also displays real-time parameters such as temperature and pressure, allowing maintenance personnel to monitor equipment operating status in real time.
When the equipment operates abnormally (such as sensor failure, pump set failure, valve jamming, etc.), the system will automatically issue an audible and visual alarm.It displays fault codes on the control panel for quick problem identification; it also supports periodic self-checks to proactively identify potential faults and reduce downtime risks.
Scope of Application
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In the civil building sector
suitable for centralized heating and domestic hot water supply in residential communities, apartment buildings, villas, office buildings, hospitals, schools, hotels, shopping malls, and other civil buildings.It is the core equipment of the terminal heating station of the urban centralized heating network, and can also be used as a supporting heat exchange system for regional boiler rooms.
Industrial production sector
Used for process heat in industrial plants (such as heating and temperature control processes in chemical, textile, food processing, and electronics manufacturing industries), workshop heating, and hot water supply for employees.Specialized units can be customized according to the specific parameters of industrial heating (such as high temperature, high pressure, and large flow rate) to meet the personalized heating needs of industrial production.
In the field of public facilities
suitable for heat exchange in heating and air conditioning systems of large public facilities such as stadiums, convention centers, airports, railway stations, and subway stations, ensuring a comfortable temperature environment in public spaces.
Other applications
It can be used in conjunction with new energy heating systems (such as secondary heat exchange in ground source heat pump and air source heat pump heating systems), for the renovation and upgrading of old heating systems (replacing inefficient heat exchange equipment and improving heating efficiency), and in scenarios such as centralized heating and distributed heating in rural areas.
If you want to know more about heat exchanger units or are interested in purchasing, please send an email to 9988xiaoshuai@gmail.com, we will reply you in time after seeing the message!
Professional team
Our company is equipped with a high-quality after-sales service team with technical personnel as the core, and will provide timely feedback upon receiving service information notifications from users.
7x24 hours delivery
Our company provides free technical support for the products we sell and organizes technical training for relevant personnel.
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