Boiler water preheating device

Abstract

The invention discloses a boiler water preheating device. The boiler water preheating device comprises a bracket assembly (1), a heat collecting pipe (2), a focusing convex lens assembly (3) and a focusing concave reflector (4), wherein the focusing convex lens assembly (3) is positioned above the heat collecting pipe (2); the focus of the focusing convex lens assembly (3) is converged on the heatcollecting pipe (2); the focusing concave reflector (4) is positioned below the heat collecting pipe (2); the focus of the focusing concave reflector (4) is converged on the heat collecting pipe (2);a water inlet (10) and a water outlet (20) are correspondingly formed in two ends of the heat collecting pipe (2); boiler water enters the heat collecting pipe (2) through the water inlet (10), is heated and preheated by solar energy converged by the focusing convex lens assembly (3) and solar energy reflected and converged by the focusing concave reflector (4) in the heat collecting pipe (2), and then flows into a coal economizer of a boiler through the water outlet (20). The boiler water preheating device can be widely applied to the field of boilers.

Description

technical field [0001] The invention relates to a boiler water preheating device. Background technique [0002] Boiler is a kind of energy conversion equipment and an important heat energy supply equipment in the national economy. It is widely used in electric power, machinery, metallurgy, chemical industry, textile, papermaking, food and other industries, as well as industrial and civil heating. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, and can also be converted into mechanical energy through a steam power device, or converted into electrical energy through a generator. Boilers that provide hot water are called hot water boilers, which are mainly used in daily life and have a small amount of application in industrial production; boilers that generate steam are called steam boilers, often referred to as boilers, and are mostly used in thermal power stations, ships, locomotives, an...

AI Technical Summary

Problems solved by technology

However, the existing boiler water preheating method consumes a lot of energy, so the fuel demand is large

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