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Super thermal conductivity energy-saving device
Super thermal conductivity energy-saving device
Product details
Main purpose:The super thermal conductivity energy-saving device is mainly used for the recovery and utilization of flue heat from vertical and horizontal coal-fired, gas-fired, and oil fired boilers, as well as kilns, ovens, and other facilities.
Function Description:The super thermal conductivity high-efficiency energy-saving device is suitable for vertical and horizontal steam boilers, installed on the boiler flue, and does not require external power. It can efficiently recover the waste heat of the flue gas to improve the thermal efficiency of the boiler. The core component is a heat transfer element that uses aviation phase change thermal storage material as the heat transfer medium. One end of the heat transfer element is welded in the flue of the device, and the other end is immersed in softened water. As the high-temperature flue gas passes through, the heat transfer medium inside the heat transfer element absorbs a large amount of heat from the flue gas. From 60 ℃, a phase change occurs, transforming from a solid to a liquid and undergoing high-speed and intense motion, quickly transferring heat to the softened water. This causes the temperature of the softened water in the energy-saving device's storage tank to rise to around 95 ℃. By replacing the previous normal temperature water with high-temperature softened water, the boiler can be replenished with water, significantly reducing fuel consumption and achieving energy-saving goals.
Product advantages:This product is the first in China to adopt a separated and connected heat pipe design, which connects dozens of branch pipes with a main pipe on the basis of the original single heat pipe to form a heat exchange unit. The heat absorption unit and the heat dissipation unit are then connected through a connecting pipe passing through the partition, reducing the density of openings on the water chamber partition and the welding difficulty caused by over density, further improving product quality. The internal volume of each heat exchange unit in the separated and connected heat pipe is several tens of times that of a single heat pipe. To increase the heating area, fins are added to the outer surface of the heating section of the heat pipe to expand its heat transfer area, making the equipment more compact in appearance and easier to install. Its heat transfer capacity is more than twice that of ordinary heat pipes, greatly improving heat transfer efficiency.
The product has the following significant features:
1. High heat transfer efficiency: The super thermal conductive material used in the super thermal conductive energy-saving device has the characteristics of fast heat transfer speed, large latent heat of vaporization, low starting temperature, and stable performance.
2. Corrosion resistance and anti gambling ash: The pressure difference between the steam in the saturated state inside the heat pipe flowing from the evaporation section to the condensation section is very small, so the temperature difference of the entire heat pipe group is only about 5 ℃. During operation, the wall temperature of the pipe is relatively high. At the same time, in the design, the surface temperature of the heat pipe can be controlled by adjusting the heat transfer area of the evaporation section and condensation section. The exhaust temperature of the super thermal conductivity energy-saving device can be controlled at around 120 ℃, fundamentally avoiding the occurrence of condensation corrosion and greatly reducing the maintenance cost of the equipment. Moreover, the smoke flow rate of the heat pipe can be controlled by adjusting the spacing of the heat pipe to achieve self cleaning effect on the smoke side of the heat pipe, without the need for frequent cleaning, thus ensuring the normal operation of the heat pipe system. The designed service life of the equipment is 10 years. However, the circulation tube inside the original energy-saving device had a low outer wall temperature due to the contact between the inner wall of the tube and normal temperature water at around 30 ℃. The sulfur dioxide in the boiler flue gas formed dilute sulfuric acid when it came into contact with the tube wall, causing corrosion to the tube wall and reducing the service life of the energy-saving device
3. Low operating costs: After the installation of energy-saving devices, they fully absorb the waste heat from boiler flue gas without the need for additional power, bringing maximum economic benefits to customers.
4. Short investment payback period: Under normal operation of the boiler, the entire investment can generally be recovered within six months.
5. Low flow resistance: Due to the compact design structure, flexible heat transfer method, small volume, light weight, small footprint, and low flue gas resistance, the heat pipe energy-saving device is very suitable for the recovery of flue gas waste heat in various types of boilers.
6. Safe and reliable work: Due to the fact that heat pipes do not require power, have no moving parts, and do not produce noise, both hot and cold fluids flow outside the pipes and are completely separated by partitions. A single set of heat pipes works independently without affecting each other, and even if a single set of heat pipes fails, fluid mixing will not occur, which will endanger the safe operation of the boiler. Therefore, energy-saving devices for heat pipes are highly safe and reliable, with a long service life, when used in heat exchange environments with fluids that are prone to combustion, explosion, corrosion, and dust. This is also the main reason why heat pipes can be used in space.
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