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Bell-type furnace heating mantle gas system and operation method thereof

The technology of a gas system and operation method is applied to bell-type furnaces, combustion methods, lighting and heating equipment, etc., and can solve problems such as blockage of bell-type furnace heating cover pipes and auxiliary equipment, and achieve simple structure, high reliability, Solve the effect of clogging

Pending Publication Date: 2021-03-09
湖南华菱涟源钢铁有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the embodiment of the present application is to provide a method for preventing the gas pipeline of the heating hood of the bell furnace from being blocked in the gas system of the heating hood of the bell furnace, so as to solve the technical problem of the heating hood pipeline and auxiliary equipment of the bell furnace being blocked in the prior art

Method used

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  • Bell-type furnace heating mantle gas system and operation method thereof
  • Bell-type furnace heating mantle gas system and operation method thereof
  • Bell-type furnace heating mantle gas system and operation method thereof

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Embodiment Construction

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0031] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0032] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and oth...

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Abstract

The embodiment of the invention provides a bell-type furnace heating mantle gas system and an operation method thereof. The bell-type furnace heating mantle gas system comprises a gas pipeline and a bell-type furnace heating mantle, wherein the gas pipeline is communicated with the bell-type furnace heating mantle; and in the conveying direction of mixed gas, the gas pipeline is sequentially provided with a filtering device and a gas preheating mechanism, the filtering device is used for filtering dust in the mixed gas, and the gas preheating mechanism is used for preheating the filtered mixedgas. Dust in the mixed gas is filtered through the filtering device on the gas pipeline, and then the filtered mixed gas is preheated through the gas preheating mechanism, so that salt substances inthe mixed gas are in an aerosol state, and the probability of blockage caused by crystallization of the salt substances at places such as elbows, reducing parts and valves on the gas pipeline and thebell-type furnace heating cover, which cause the conductance change of the mixed gas, can be reduced. Meanwhile, naphthalene and tar are in an aerosol state, and the viscosity is reduced, so that theprobability of blockage caused by adhesion at a gas conductance change place can be reduced.

Description

technical field [0001] The present application relates to the field of steel coil production equipment, more specifically, to a heating hood gas system of a bell furnace and an operation method of the heating hood gas system of a bell furnace. Background technique [0002] The gas system of bell-type furnace heating hood includes gas pipeline, bell-type furnace heating hood and smoke exhaust pipeline. The gas pipeline burns the gas through the burner of bell-type furnace heating hood. After the coal gas is burned in the heating mantle of the bell-type furnace, the flue gas is exhausted from the exhaust pipe. The gas fed into the gas pipeline is mixed gas composed of blast furnace gas and coke oven gas. There is a large amount of dust, tar, naphthalene and salts (in the form of aerosol) in the mixed gas. These substances block the heating mantle pipeline and ancillary equipment (such as gas solenoid valves, manual valves, burners, reducing diameters and elbows) and affect t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D14/68F23D14/66F27B11/00
CPCF23D14/68F23D14/66F27B11/00Y02E20/34
Inventor 王智炎蒋兴辰李光辉郑灵科张益龙
Owner 湖南华菱涟源钢铁有限公司
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