Cast pipe annealing furnace flue gas collection and purification device for chemical smelting

Abstract

The invention relates to the technical field of chemical smelting, and discloses a flue gas collection and purification device for cast pipe annealing furnaces in chemical smelting. An upper heat-absorbing pipe is fixedly installed on the top of the furnace, and the top of the upper heat-absorbing pipe is connected with a first water inlet pipe, and the right side of the first water inlet pipe is connected with a hot water communication pipe located on the front surface of the annealing furnace. The left side of the hot water communication pipe communicates with a lower heat absorbing pipe located at the bottom of the annealing furnace, the bottom of the lower heat absorbing pipe communicates with a first water outlet pipe, and the bottom of the first water outlet pipe communicates with a water storage tank. A slow cooling section is fixedly installed on the left side of the annealing furnace. The flue gas collection and purification device for chemical smelting cast tube annealing furnace can effectively ensure that the flue gas discharged from the heat preservation section can be effectively filtered and purified, and effectively reduce the impact of the flue gas on the human body and the air.

Description

technical field [0001] The invention relates to the technical field of chemical smelting, in particular to a flue gas collection and purification device for cast pipe annealing furnaces in chemical smelting. Background technique [0002] The heat treatment furnace is divided into annealing furnace, quenching furnace, tempering furnace, normalizing furnace and quenching and tempering furnace. It is mainly used for annealing of large carbon steel and alloy steel parts, tempering of surface hardened parts, stress relief annealing and aging of weldments and other heat treatment processes. The heating methods include electric heating, oil, gas, coal and hot air circulation. The annealing furnace is a new type of heat exchange equipment. The annealing furnace is an energy-saving periodic operation furnace. ten. [0003] At present, the existing annealing furnaces on the market are mainly improved in terms of heat utilization efficiency. For example, the Chinese patent CN205223311...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a flue gas collection and purification device for chemical smelting casting tube annealing furnace, which has the advantages of effectively purifying and filtering the collected flue gas, and solves the problem that the flue gas collected by the annealing furnace cannot Filter and purify issues that affect air quality and human health

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