A dust removal device for high-temperature dusty exhaust gas and its application method

Abstract

The invention discloses a dust removal device for high-temperature dust-containing waste gas and a use method thereof, relates to the technical field of waste gas treatment, and solves the technical problem that waste heat in the high-temperature dust-containing waste gas cannot be recovered. Its technical points include the main body of the dust removal device. The main body of the dust removal device includes a shell with air inlets and exhaust ports at both ends and a filter assembly arranged in the shell. The air inlet of the shell is set in a cone shape. A heat exchanger is installed, and the refrigerant inlet of the heat exchanger is connected with the external water source. A water storage tank connected with the heat medium outlet of the heat exchanger is arranged outside the shell. "-shaped tube, and the end of the "U"-shaped tube away from the shell is lower than the horizontal plane of the bottom of the shell; the invention has the advantage of being able to recover waste heat in high-temperature dusty exhaust gas.

Description

technical field [0001] The invention relates to the technical field of waste gas treatment, more specifically, it relates to a dust removal device for high-temperature dust-laden waste gas and its application method. Background technique [0002] A dust removal device is a device used to remove or reduce the dust content in a dusty airflow. The types of filter dust removal devices can be divided into bag dust removal devices, cyclone dust removal devices, electrostatic dust removal devices, desulfurization dust removal devices, etc., which are widely used in chemical, petroleum, metallurgy, construction, mining, machinery, textile and other industries. [0003] The Chinese patent with the authorized notification number CN204767936U discloses a filter and dust removal device, which includes a housing, one end of the housing is provided with an air inlet, the other end is provided with an air outlet, and a fan is connected, and the lower part of the housing is connected with a...

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Problems solved by technology

[0004] Similar to the above-mentioned filter and dust removal device in the prior art, it includes a housing and a filter assembly formed by a combination of filter components and a connection cover. The filter component includes a plurality of filter bags. When the dusty gas passes through the filter assembly, the dust in the gas It will be filtered out by each filter bag; however, in chemical, petroleum and metallurgical industries, the waste gas produced will carry a large amount of waste heat. If the high-temperature waste gas is only filtered by dust and then discharged directly, it will cause a certain waste of resources. Therefore, it is necessary to Improve

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