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Heating metering system
Heating is quite common in urban areas of northern China, and thermal companies use heat meters as the basis and means of pricing and charging, in order to save energy20%~30%However, the heat used for centralized heating in industrial parks has a large diameter (which can only be achieved by civilian heat meters)DN20）This field has always lacked scientificity, especially this year when the national policy vigorously promoted heating in the south. Therefore, Guangzhou Xisen Automation Control Equipment Co., Ltd. has independently developed a thermal energy metering system, hoping to make its own contribution to China's energy-saving field. The Xiamen Jingchuan Thermal Energy Measurement System can use several products to measure its heat:
1、 Composition of ultrasonic flowmeter, thermistor (two), heat accumulator and other instruments Xiamen Jingchuan Ultrasonic Flow Meter+Thermal Resistance+Thermal Accumulator
① Ultrasonic flowmeterIt adopts the principle of low voltage and multi pulse time difference, and uses high-precision and ultra stable dual balanced signal differential transmission and differential reception patented digital detection technology to measure the sound wave transmission time in the forward and backward directions, and calculate the flow velocity based on the time difference. The product has the characteristics of good stability, small zero drift, high measurement accuracy, wide range ratio, and strong anti-interference ability. Measurement medium: a single, uniform, and stable liquid that can transmit ultrasonic waves, such as water, sewage, seawater, alcohol, and various oils. Ultrasonic flow meters can be divided into two types: integrated and split type. ② Thermistor is used to measure the surface temperature of liquids, vapors, gases, and solids within the range of -200 ℃ to -500 ℃ A in various production processes.③ The heat accumulator is a product designed to solve the measurement of fluid flow and heat, and improve the accuracy of flow measurement. Collecting, displaying, controlling, remote transmission, communication, printing and other processing of various signals such as temperature and flow rate on site, forming a digital acquisition system and control system, suitable for heating systems and heat exchange systems such as thermal oil boilers and water heating, realizing online measurement of heat and mass transfer, and providing a basis for enterprise energy management, energy consumption measurement, and technical economy.④ The installation diagram of the thermal energy metering system is shown below (for reference only)
Installation diagram of integrated ultrasonic flowmeter thermal energy metering system
Installation diagram of plug-in ultrasonic flowmeter heat metering system
Installation diagram of pipeline ultrasonic flowmeter heat metering system
2、 Electromagnetic thermal energy meterFLDC series electromagnetic sensor+thermistor+Composed of electromagnetic thermal energy flow converter (thermal energy integrator) and other components
①Electromagnetic thermal energy meter is a measuring instrument that measures the heat released by the heat transfer fluid in a thermal conversion system. It uses a high-precision and high reliability electromagnetic flowmeter for flow measurement, and uses a high-precision and high stability platinum thermistor for temperature measurement, making the thermal energy meter have excellent measurement performance. It can be widely used for the measurement of heat in residential areas, office buildings, and centralized heating, heating, and air conditioning in enterprises and institutions. ②The installation diagram of the thermal energy metering system is shown below (for reference only)
3、 Xiamen Jingchuan series electromagnetic flowmeter+thermistor+heat accumulator and other components
Successful operation!
