Bell-type furnace heating mantle and operation method thereof

An operation method and a heating hood technology, which are applied in the field of hood furnace heating hoods, can solve problems such as blockage of pipes and auxiliary equipment, and achieve the effects of simple structure, blockage solving and high reliability.

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 embodiments of the present application is to provide a bell-type furnace heating hood to solve the technical problem of blockage of the bell-type furnace heating hood pipes and ancillary equipment in the prior art

Method used

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

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Embodiment Construction

[0029] 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.

[0030] 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.

[0031] 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 invention provides a bell-type furnace heating mantle and an operation method thereof. The bell-type furnace heating mantle comprises a body, a burner arranged in the body and a gas inlet pipelinearranged outside the body; and the gas inlet pipeline communicates with the burner to supply gas, and the gas inlet pipeline is provided with a gas preheating mechanism for preheating mixed gas in the pipeline of the gas inlet pipeline. According to the bell-type furnace heating mantle, by preheating the mixed gas received by the gas inlet pipeline, salt substances in the mixed gas can be in an aerosol state, and the probability that the salt substances crystallize at places such as elbows, reducing parts and valves on the gas pipeline and the bell-type furnace heating mantle, which cause theconductance change of the mixed gas, to form blockage can be reduced; and meanwhile, naphthalene and tar are in an aerosol state, and the viscosity is reduced, so that the probability of blockage caused by adhesion at the gas conductance change places is reduced, and therefore, a bell-type furnace heating mantle pipeline and accessory equipment are not prone to blockage.

Description

technical field [0001] The present application relates to the field of steel coil production equipment, more specifically, to the heating mantle and operation method of a mantle furnace. Background technique [0002] The bell-type furnace heating hood includes a gas pipeline, a bell-type furnace heating hood and a smoke exhaust pipeline. The gas pipeline burns the gas through the burner of the 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 the continuity of the heating mantle production. Usually the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B11/00F23D14/66
CPCF27B11/00F23D14/66Y02E20/34
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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