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Device and method for heating rich oil to remove benzene by using coke oven riser pipe waste heat

An oil-rich, coke oven technology, which is applied in the heating of coke ovens, carbonization gas discharge devices, coke ovens, etc., can solve the problems of incomplete combustion, energy consumption, air pollution, etc., achieve fast heating speed, and realize environmental protection production , High heat exchange efficiency

Pending Publication Date: 2020-02-11
LINHUAN COKING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the vast majority of domestic coking plants use tube furnaces to heat rich oil or medium-pressure steam to heat oil-rich debenzene processes. When using traditional tube furnaces to heat oil-rich debenzene processes, due to the use Using coal gas as a heating source will waste a lot of gas. At the same time, due to incomplete combustion of gas during combustion, the exhaust gas contains a large amount of harmful substances such as sulfur dioxide and nitrogen oxides, which may cause air pollution.
When medium-pressure steam is used to heat rich oil, since a large amount of medium-pressure steam is needed to heat and distill rich oil, a large amount of medium-pressure steam will be consumed in production, resulting in energy waste

Method used

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  • Device and method for heating rich oil to remove benzene by using coke oven riser pipe waste heat

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Embodiment Construction

[0019] Referring to the accompanying drawings, through the description of the embodiments, the specific implementation of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the function and working principle of each part, and the manufacturing process And the method of operation and use, etc., are described in further detail to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present invention.

[0020] figure 1 It is a schematic diagram of a device for heating rich oil and removing benzene by using the waste heat of the coke oven riser, such as figure 1 Shown is a device for heating rich oil to remove benzene by using the waste heat of the coke oven riser tube, including a rich oil processor for heat exchange and distillation of rich oil, a rich oil regenerator, and lean oil processing for heat exchange and coo...

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Abstract

The invention discloses a device for heating rich oil to remove benzene by using coke oven riser pipe waste heat, wherein the device comprises a rich oil processor for performing heat exchange distillation on rich oil, a rich oil regenerator, a lean oil processor for performing heat exchange cooling benzene washing on lean oil, an after-heat-exchange rich oil pipeline and a rich oil pump, and therich oil processor, the rich oil regenerator, the lean oil processor, the after-heat-exchange rich oil pipeline and the rich oil pump are sequentially connected through oil pipes. The invention further discloses a method for heating rich oil to remove benzene by using coke oven riser pipe waste heat, wherein rich oil is heated by using a coke oven riser pipe so as to overcome the consumption of alarge amount of steam and coal gas in the use process of the traditional tubular furnace and the medium-pressure steam and achieve the purposes of energy saving, consumption reducing and raw coke ovengas temperature reducing, and the rich oil is heated by the coke oven riser pipe and the traditional tubular furnace is not used so as to eliminate atmospheric pollution accidents caused by incomplete combustion of coal gas and achieve environment-friendly production.

Description

technical field [0001] The invention belongs to the field of equipment in the coal coking industry, and in particular relates to a device and method for heating rich oil and removing benzene by using the waste heat of a rising pipe of a coke oven. Background technique [0002] At present, the vast majority of domestic coking plants use tube furnaces to heat rich oil or medium-pressure steam to heat oil-rich debenzene processes. When using traditional tube furnaces to heat oil-rich debenzene processes, due to the use Using coal gas as a heating source will waste a lot of gas. At the same time, due to incomplete combustion of gas during combustion, the exhaust gas contains a large amount of harmful substances such as sulfur dioxide and nitrogen oxides, which may cause air pollution. When the medium-pressure steam is used to heat the rich oil, since a large amount of medium-pressure steam is needed to heat and distill the rich oil, a large amount of medium-pressure steam will b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10K1/18C10K1/00C10B27/00
CPCC10K1/18C10K1/002C10B27/00Y02P20/129Y02P20/10
Inventor 范孝豆姚良雨李枫丁峰峰张颂
Owner LINHUAN COKING
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