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Tube Furnace

A tubular heating furnace and furnace bottom technology, applied in the direction of furnaces, lighting and heating equipment, furnace types, etc., can solve the problems of only 78% thermal efficiency, unreasonable structural design, and high exhaust gas temperature, so as to reduce equipment weight and increase The combustion adjustment range and the effect of reducing the flue gas temperature

Inactive Publication Date: 2017-06-20
江阴市澄阳新技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the structural design of the traditional tubular heating furnace is unreasonable. The normal exhaust gas temperature is as high as 400°C, the thermal efficiency is only 78%, the heat load is low, and there is a huge waste of energy.

Method used

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Embodiment Construction

[0074] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0075] Such as Figure 1~Figure 10As shown, a tube type heating furnace in this embodiment includes a radiation section 1, a convection section 2 and a chimney 9, and the radiation section 1 includes a furnace bottom 1.1, an intermediate shell 1.2 and a furnace roof 1.3, and the furnace The center of the bottom 1.1 is provided with a radiating column 22, the radiating column 22 includes an annular support 22.1, the top outside of the annular support 22.1 is provided with a relief angle 22.2, and the outer side of the annular support 22.1 is provided with a support cylinder 22.3, The outer wall of the supporting cylinder 22.3 is provided with a plurality of I-shaped brackets 22.4 and Y-shaped brackets 22.5, the plurality of I-shaped brackets 22.4 and Y-shaped brackets 22.5 are arranged alternately and at intervals, and the outer side of the sup...

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Abstract

The invention relates to a tube heating furnace and belongs to the technical field of metallurgical coking equipment. The tube heating furnace comprises a radiation section (1), a convection section (2) and a chimney (9). The radiation section (1) comprises a furnace bottom (1.1), a middle shell (1.2) and a furnace top (1.3). A radiation column (22) is arranged at the center of the furnace bottom (1.1), a plurality of burners (14) are arranged around the radiation column (22), and the burners (14) are provided with burner air openings (18) and coke oven gas inlets (20). According to the tube heating furnace, the heat efficiency of the heating furnace can be effectively improved, the exhaust gas temperature can be lowered easily, and the operation stability and safety of equipment are strengthened.

Description

technical field [0001] The invention relates to a tubular heating furnace, which belongs to the technical field of metallurgical coking equipment. Background technique [0002] The tubular heating furnace is an industrial heating furnace used in petroleum refining, petrochemical, coal chemical, tar processing, crude oil transportation and other industries. The material to be heated flows in the tube as a gas or liquid, and is flammable and explosive. , the operating conditions are harsh, and at the same time, it operates continuously for a long period of time. The heating method is direct fire, and the heat transfer method is mainly radiation heat transfer. Its energy consumption accounts for about 70% of the total energy consumption of the device. The thermal load of the heating furnace directly determines the processing capacity of the petrochemical plant. Under the condition of the same shape and structure, it is particularly important to increase the thermal load of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B17/00F23L15/00
CPCY02E20/34
Inventor 吴蔚然吕海峰毛国银陈红王斌
Owner 江阴市澄阳新技术有限公司