Horizontal agricultural special hot air environmental protection boiler

Abstract

A horizontal hot-air environment-friendly boiler dedicated to agriculture comprises a boiler body, return smoke discharge heating tube bundles, a combustion chamber and a fixed fire grate. The independent combustion chamber provided with the fixed fire grate is arranged on the lower portion in the boiler body, and the upper portion is designed into a chamber of at least three return smoke discharge heating tube bundles. A high-temperature smoke abatement chamber is arranged on the right side of the combustion chamber, an independent right smoke channel is arranged on the right side of the high-temperature smoke abatement chamber, and an independent left smoke discharge channel is arranged on the left side of the chamber of the at least three return smoke discharge heating tube bundles. Smoke returns for at least three times along the return smoke discharge heating tube bundles under the action of a thermal insulation smoke return board arranged in the right smoke channel and a smoke stop wall of the left smoke discharge channel, so that hot air generated by the boiler body is subjected to heat convection through the at least three return smoke discharge heating tube bundles, and then a large amount of generated hot air is discharged out of the boiler body to enter a heat utilization area. According to the boiler, combustion is conducted in the lower combustion chamber, and the tube bundles on the upper portion are subjected to multi-return heating, accordingly, the smoke moving distance is increased, the thermal efficiency of the boiler is improved, the boiler is environmentally friendly, and smoke discharge channels and the heating pipe bundles are long in service life.

Description

technical field [0001] The invention relates to a hot air boiler, in particular to a horizontal hot air environment-friendly boiler dedicated to agriculture. Background technique [0002] In the past, the common small hot air boilers in China used the chimney to directly discharge the flue gas in the furnace. The distance of the flue gas is short, the temperature of the exhaust gas is high, and the thermal efficiency of the boiler is low, only about 50% to 60%, and the thermal efficiency reaches 70%. difficult. High energy consumption, not environmentally friendly, large heat loss, and extremely low thermal efficiency. When the furnace is in a high-temperature combustion state, it is easy to burn through the boiler exhaust pipe and heated tube bundle. In addition, the structure is not reasonable enough, and the amount of steel consumed in processing and production is large, which is unfavorable for saving material costs. Contents of the invention [0003] The technical ...

AI Technical Summary

Problems solved by technology

In addition, the structure is not reasonable enough, and the amount of steel consumed in processing and production is large, which is not conducive to saving material costs

Images