Shandong Zhilin Environmental Protection Technology Co., Ltd.

Let me explain the characteristics of the heating network heater.

Release time:

2021-09-24 12:37

Source:

This presentation will explain the characteristics of heat network heaters. Heat network heaters are one of the main pieces of equipment in thermal power plants. They include basic heat network heaters and peak heat network heaters. Their main function is to heat the return water in the heating network using steam extracted from the turbine or new steam extracted from the boiler as a heat source to meet user needs. Our company has been producing heat network heaters for several years, with heat exchange areas ranging from 40m2 to 2450m2. They have now become a series of products.

　　 Heating Network Heater

　　The heating network heater is one of the main equipment in thermal power plants. It includes basic heating network heaters and peak heating network heaters. Its main function is to heat the return water in the heating network using steam extracted from the turbine or new steam extracted from the boiler as a heat source to meet user needs. Our company has been producing heating network heaters for several years, with heat exchange areas ranging from 40m2 to 2450m2, and they have now become a series of products.

　　Products are divided into eddy current thermal film heat transfer tube heating network heaters, stainless steel threaded tube heating network heaters, nickel-titanium based surface heat transfer tube heating network heaters, and ordinary steel pipe heating network heaters. Among them, the eddy current thermal film heat transfer tube heater uses stainless steel heat transfer tubes, which have the characteristics of high thermal efficiency and automatic cleaning. Characteristics of nickel-based surface heat exchangers:

　　The heating network heater with a high heat transfer coefficient of a titanium-based surface heat transfer tube is a new type of heat transfer tube with high heat exchange efficiency. Based on the eddy current thermal film heat transfer tube, it has undergone deep processing using advanced magnetron sputtering plasma technology. A nickel-based layer is formed on the surface of the carbon steel tube, and its surface and penetration ability are greatly reduced. The steam changes from film condensation to droplet condensation. Under the action of the blowing force of the steam and gravity, the condensate quickly separates from the heat transfer tube, and the subsequent steam directly contacts the heat transfer tube, thereby increasing the heat dissipation coefficient. Through the in-tube fluid heat transfer technology, the overall heat transfer coefficient of the nickel-titanium matrix surface heat exchanger can reach 4500-5500W/m2.

　　A Brief Analysis of the Design Characteristics of Heating Network Heaters

　　The heating network heater is a new type of high-efficiency and energy-saving peak heat exchange product for heating networks, developed based on China's new heat exchange research results and combined with high-efficiency double-threaded turbulent heat exchanger equipment. It is widely used in heating, heating network peak regulation, production, and daily systems, and is suitable for different heat exchange situations such as steam-water and water-water. This product has a reasonable structure, complete types, and convenient selection. It can also be specially designed according to specific circumstances.

　　Three-dimensional spiral, three-dimensional guide rail: This product uses three-dimensional rotating micro-components for efficient replacement of heat transfer tubes. When the front and back walls of the heat tube are spiral corrugated pipes, the parts away from the pipe wall maintain their original movement, while the parts close to the pipe wall exhibit spiral movement with constantly changing speed and size. This part of the spiral movement fluid changes the movement of the fluid away from the original pipe wall, and the two interact, resulting in instantaneous changes in the speed, size, and direction on the front and back of the pipe.

　　Double-sided turbulence, double-layer enhancement: Single-phase fluid performs spiral ternary movement on the front and back of the pipe, exhibiting a turbulent state. The turbulent fluid continuously destroys the laminar boundary layer on the pipe wall, reducing thermal resistance and improving the heat transfer coefficient on the front and back of the pipe. Double-layer enhanced heat transfer: On the phase-change fluid side, the spiral corrugated structure of the three-dimensional spiral tube cuts the condensate film, causing the condensate film to form over a large area along the pipe wall without thickening, thereby reducing the thermal resistance on the condensation side, improving the heat transfer coefficient, enhancing heat exchange, reducing fouling resistance, and preventing scaling. The special structure of the three-dimensional spiral heat transfer tube greatly enhances the degree of fluid turbulence, causing the fluid to form eddy currents on the heat transfer tube wall, making it less prone to fouling and reducing fouling thermal resistance; the turbulent fluid high-speed washes the pipe wall, preventing scaling, and the heat exchange effect is efficient and continuous.

　　Compact and stable operation: Due to the improvement of the heat transfer coefficient of this product, the heat exchange area required to transfer the same amount of heat is reduced, the size is reduced, and therefore the installation area is reduced.

　　From a structural point of view, this product adopts a fixed tube plate structure without moving parts, and the thermal stress impact is significantly reduced. Summarizing the product life and operating cost analysis, the product has a high price-performance ratio.

　　The above is a description of the characteristics of the heating network heater plan. For a simple understanding, please contact our manufacturer for inquiries, for your reference.

Below is an explanation of the characteristics of the heating network heater

Positive displacement heat exchanger - suitable for hot water supply systems in industrial and residential buildings