Co-production system for methanol and deeply processed ethanol gasoline and use method of co-production system

A technology of ethanol gasoline and methanol, which is applied in chemical instruments and methods, gasification technology, petroleum industry, etc., and can solve the problems of inability to adjust, large investment in the fertilizer industry, and high transportation costs

Inactive Publication Date: 2015-01-07
ANHUI HUAIHUA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the production of chemical fertilizers and chemicals basically uses coal as raw material, resulting in large investment and high energy consumption in the chemical fertilizer industry
And often the product is single, once the main product is blocked, it cannot be adjusted
At the same time, most of my

Method used

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  • Co-production system for methanol and deeply processed ethanol gasoline and use method of co-production system

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Embodiment 1

[0026] Such as figure 1 As shown, the co-production system of methanol and deep-processed ethanol gasoline of the present invention includes a gasification furnace, a washing tower, a shift furnace, a first purification tower, a first compression device, a methanol synthesis tower, an acetic acid synthesis device and an ethanol synthesis device in series; The washing tower is also connected in series with a second purification tower, a low-temperature cold box, and a second compression device, and the second compression device is connected with the acetic acid synthesis device; the conversion tower is also connected in series with a third purification device, a PSA Hydrogen production device, the outlet of the PSA hydrogen production device is connected to the ethanol synthesis device, the tail gas outlet of the PSA hydrogen production device is connected to the shift furnace, and the tail gas outlet of the low-temperature cold box is connected to the shift furnace ; The syste...

Embodiment 2

[0031] A method for co-production of methanol and deep-processed ethanol gasoline, comprising the steps of:

[0032] (1) raw material is coal or coal-water slurry, and described coal is the dry coal powder that particle size is controlled between 8 mesh-325 mesh after being crushed by holding mill, and the concentration of described coal-water slurry is 60% (percentage by weight) The raw material is gasified in a gasification furnace, the temperature of the gasification furnace is 50°C higher than the melting point of the raw material, and the operating pressure is 6.5-8.7Mpa; the reacted gas is washed by a washing tower to remove entrainment Coal particles and dust are obtained after the raw synthesis gas, which includes more than 76% by volume of CO and H 2 effective gas, the rest is CO 2 , N 2 、CH 4 , Ar, H 2S, the crude synthesis gas is divided into three parts, which are used to produce CO, methanol and H 2 ;

[0033] The part used to produce CO directly enters the ...

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Abstract

The invention discloses a co-production system for methanol and deeply processed ethanol gasoline. The system comprises a gasification furnace, a washing tower, a conversion furnace, a first purification tower, a first compressing device, a methanol synthesis tower, an acetic acid synthesis device and an ethanol synthesis device which are connected in series sequentially, wherein the washing tower is further connected with a second purification tower, a low-temperature cooling box and a second compressing device in series sequentially, and the second compressing device is connected with the acetic acid synthesis device; and the conversion tower is further connected with a third purification device and a PSA (pressure swing adsorption) hydrogen production device in series sequentially, an outlet of the PSA hydrogen production device is connected with the ethanol synthesis device, and a tail gas outlet of the PSA hydrogen production device and a tail gas outlet of the low-temperature cooling box are connected with the conversion furnace respectively. The invention further provides a method for performing co-production by adopting the system. The method is simple, convenient, low in cost and capable of producing methanol and fuel ethanol, and the product structure can be completely adjusted according to market requirements.

Description

technical field [0001] The invention relates to the field of chemical product production equipment, in particular to a system for methanol and deep-processed ethanol gasoline and a method for using the same. Background technique [0002] With the reform of my country's energy policy and the rapid economic development for more than 30 years, a large amount of funds have poured into the construction of energy development field (especially coal resources). my country's existing energy structure is a basic pattern of lack of oil, little gas, and rich coal. At present, the production of chemical fertilizers and chemicals basically uses coal as raw material, resulting in large investment and high energy consumption in the chemical fertilizer industry. Moreover, the product is often single, and once the main product is blocked, it cannot be adjusted. At the same time, most of my country's coal production areas are distributed in western regions such as Inner Mongolia, Shaanxi, an...

Claims

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Application Information

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IPC IPC(8): C10J3/00C10J3/84C10K1/00C07C29/151C07C31/04C07C29/149C07C31/08
CPCC10J3/00C07C29/149C07C29/151C10J3/84C10J2300/1603C10K1/00C07C31/04C07C31/08
Inventor 方凤银
Owner ANHUI HUAIHUA
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