Dust removal device and dust removal method for high-temperature flue gas

A dust removal device and high-temperature flue gas technology, applied in the direction of combination devices, separation methods, chemical instruments and methods, etc., can solve the problems of vacuum pump damage, reduced lubrication function, carbonization of engine oil, etc., to improve dust removal efficiency, reduce flue gas temperature, Avoid the effect of carbonation
CN102861495BActive Publication Date: 2014-12-24PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
Publication Date
2014-12-24

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Abstract

The invention provides a dust removal device and a dust removal method for high-temperature flue gas. The dust removal device comprises a first dust removal system and a second dust removal system; the first dust removal system comprises a first barrel, a flue gas inlet, a flue gas outlet and a cooling water component, the flue gas inlet and the flue gas outlet are communicated with the inside of the first barrel, and the cooling water component encircles the first barrel and cools down the first barrel; and the second dust removal system comprises a second barrel, an engine-oil dust removal component, a flue gas inlet and a flue gas outlet, the engine-oil dust removal component is arranged in the second barrel and consists of a base and engine oil attached on the surface of the base, the flue gas inlet is arranged on the lower side of the base, the flue gas outlet is arranged on the upper side of the base, and the flue gas outlet of the first dust removal system is communicated with the flue gas inlet of the second dust removal system. The dust removal method includes cooling the flue gas and removing dust from the flue gas by gravity simultaneously; removing dust by the engine oil; and feeding the flue gas of which the dust is removed by the engine oil into a vacuum system. Power of the flue gas is supplied by the vacuum system. By the dust removal device, the temperature of the flue gas is reduced, the dust removal engine oil is prevented from being carbonized, and the dust removal efficiency is greatly improved.
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Description

technical field

[0001] The invention relates to the technical field of dedusting high-temperature gas powered by a vacuum system, and more specifically, relates to a device and method for dedusting high-temperature gas in the inner cavity of a sponge titanium distillation electric furnace extracted by a vacuum system. Background technique

[0002] When using the magnesia thermal reduction method to produce sponge titanium, in order to shorten the distillation time and reduce the energy consumption of distillation, the method of vacuum distillation is used in the production. The internal vacuum treatment is called anti-vacuum operation. Because there are many fine refractory particles in the distillation furnace, refractory particles will be mixed in the flue gas of the distillation furnace. These solid particles will greatly damage the vacuum pump and easily affect the vacuum degree of the system. Therefore, before entering the vacuum pump, it is necessary to Dust removal o...

Claims

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