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Coal tar treatment system

A treatment system, coal tar technology, applied in the treatment of hydrocarbon oil, hydroprocessing process, petroleum industry, etc., can solve the problems of high harshness of raw materials, high solid content, etc.

Inactive Publication Date: 2016-07-13
郭米慧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coal tar has a high solid content, and it directly enters the suspension bed hydrogenation unit without a reasonable deslagging process, and the raw material is highly harsh

Method used

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  • Coal tar treatment system

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Comparison scheme
Effect test

Embodiment 1

[0071] The present embodiment provides a kind of processing system of coal tar, and its structure is as follows figure 2 shown.

[0072] The coal tar processing system includes: raw oil buffer tank 1, coal tar pump 2, first filter 3, first heat exchanger 4, dehydration tower 5, first air cooler 6, separator 7, second heat exchanger Device 8, coal tar feed furnace 9, coal tar decompression tower 10, light oil mixing tank 11, light oil pump 12, heavy oil mixing tank 13, heavy oil pump 14, second filter 15, raw material mixing tank 16, raw oil pump 17 , new hydrogen compressor 18, suspension bed reactor unit, fixed bed reactor 20, decompression tower 21, third heat exchanger 22, fixed bed heat high pressure separator 23, fourth heat exchanger 24, second air cooler 25. Fixed bed cold high pressure separator 26, circulating hydrogen compressor inlet separator tank 27, circulating hydrogen compressor 28, suspended bed reactor unit includes suspended bed cracking reactor 19-1, hot ...

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Abstract

The invention relates to a coal tar treatment system. The coal tar treatment system comprises a raw oil buffer tank, a coal tar pump, a first filter, a first heat exchanger, a dehydration tower, a first air cooler, a separator, a second heat exchanger, a coal tar charging furnace, a coal tar pressure reduction tower, a light oil blending tank, a light oil pump, a heavy oil blending tank, a heavy oil pump, a second filter, a raw material blending tank, a raw material oil pump, a make-up hydrogen compressor, a suspended-bed reactor unit, a fixed bed reactor, a pressure reduction tower, a fixed bed hot high pressure separator, a third heat exchanger, a fixed bad cold high pressure separator, a forth heat exchanger, a second air cooler, a circulating hydrogen compressor and a circulating hydrogen compressor inlet liquid separator pot. The suspended-bed reactor unit comprises a suspended-bed cracker, a hot high pressure separator, a hot low pressure separator and a cold low pressure separator. The coal tar treatment system realizes treatment on coal tar and coal tar integrated utilization product diversification and adapts to market demands.

Description

technical field [0001] The invention relates to a coal tar processing system, which belongs to the technical field of coal chemical industry and petrochemical industry. Background technique [0002] Coal tar is a by-product of coal pyrolysis to make coke, which occupies a certain share in coal production. At present, China produces about 9 million tons of tar annually, but the actual processing capacity is only 3 million tons. Due to the constraints of backward technology in the downstream chemical industry of coke, it is difficult to effectively utilize the huge amount of coal tar. [0003] The traditional processing method of coal tar aims at physical separation and extraction of single-component or narrow-component products, and extracts washing oil, light oil, anthracene oil, industrial naphthalene, crude phenol and inferior asphalt from coal tar. Due to the complex components of coal tar, the content of high value-added components is low, and the low value-added compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/00
Inventor 郭米慧
Owner 郭米慧
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