Salt bath furnace waste gas treatment device

Abstract

The invention discloses a salt bath furnace waste gas treatment device which comprises an air suction pipe, a suction ventilator, an observation window, a spray pipe, an exhaust opening, a spray valve, a blow-down valve, a sewer ditch, an alkali solution pool, a spray pump, a door, a slag stopping wall and a closed chamber, wherein the middle of the air suction pipe is connected with the suction ventilator; one end of the air suction pipe stretches into the alkali solution pool; the observation window is positioned above the suction ventilator and is arranged in the closed chamber; the exhaust opening is formed in the top of the closed chamber; part of the spray pipe is positioned in the closed chamber; the other part of the spray pipe is positioned outside the closed chamber; the spray valve and the blow-down valve are arranged on the spray pipe; the sewer ditch and the spray pump are connected with the spray pipe; the slag stopping wall is positioned in the alkali solution pool; the door is positioned in the alkali solution pool and is arranged at the bottom end of the closed chamber. The salt bath furnace waste gas treatment device is simple in structure; because the volume space of the closed chamber is far larger than that of an absorption tower, the manufacturing cost of the whole device is very low, and the device is suitable for being used in actual conditions of medium-sized and small enterprises, can be constructed in each enterprise and is convenient to use.

Description

technical field [0001] The invention relates to a treatment device, in particular to a treatment device for waste gas of a salt dissolution furnace. Background technique [0002] In the tool industry, high-speed steel knives are generally quenched by high-temperature salt-dissolving furnaces. The salt-dissolving furnaces used for heat treatment mainly use barium chloride and sodium chloride as working media. They will emit a large amount of salt mist composed of chlorine, hydrogen chloride and barium chloride in a high-temperature molten state. These salt mist small and medium-sized enterprises have been blown into high chimneys by blowers and then discharged into the air, which will cause large-scale environmental pollution. Nowadays, environmental protection requirements are getting higher and higher, and salt mist is not allowed to be discharged at will. The treatment method of environmental protection factories generally adopts the method of neutralization and absorption...

AI Technical Summary

Problems solved by technology

[0003] Nowadays, production plants generally use chimneys to discharge exhaust gas, which does not meet environmental protection requirements and must be improved. The salt mist absorption tower pipes used by environmental protection factories usually occupy a large area, and the volume of the salt mist tower that can neutralize the reaction is not large, and the neutralization effect is not good. It is very ideal, and the cost of equipment is also high, which is generally unaffordable for small and medium-sized enterprises

Images