Method for producing synthetic oil by self-supplementing carbon by using dry distillation gas as raw material

A technology for dry distillation of coal gas and synthetic oil, which is applied in the preparation of liquid hydrocarbon mixtures and the petroleum industry. It can solve the problems of difficult coal dry distillation enterprise promotion, complicated process, and large one-time investment, and achieves improved environmental quality, simple process, and The effect of low equipment investment

Active Publication Date: 2016-01-20
科瑞康洁净能源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The above-mentioned existing technologies are complicated in process and large in one-time investment, so it is difficult to popularize them in coal dry distillation enterprises in my country

Method used

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  • Method for producing synthetic oil by self-supplementing carbon by using dry distillation gas as raw material
  • Method for producing synthetic oil by self-supplementing carbon by using dry distillation gas as raw material
  • Method for producing synthetic oil by self-supplementing carbon by using dry distillation gas as raw material

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Experimental program
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Effect test

Embodiment 1

[0089] Carry out a kind of method that is raw material through self-replenishing carbon to produce synthetic oil with dry distillation coal gas, the specific steps of its described method are as follows:

[0090] Raw limestone ore composition (wt%): CaO54.3%, burning loss rate 42.7%, impurity 3.0%.

[0091] Composition of raw materials into the furnace coal (wt%): The furnace coal is composed of 30% lean coal, 35% 1 / 3 coking coal, 20% fat coal and 15% main coking coal; its quality index (wt% ): V adf 30.0%, A d 13.5%, FC d 60.6%, S t,d 0.67%, cohesion index G=74, fineness (≤3mm)=73.6%.

[0092] Carbon replenishment method: The coal in the furnace is tested in a 40kg small coke oven (the furnace charge is isolated from the air and continuously heated for 24 hours, the center temperature of the furnace charge reaches 1100°C before being released from the furnace, and it is cooled to normal temperature after coke quenching): the gas production rate of the furnace charge is 35...

Embodiment 2

[0101] Dolomite ore composition (wt%): CaO30.4%, MgO21.7%, burning loss rate 47.4%, impurity 0.46%.

[0102] The furnace coal is composed of 30% lean coal, 35% 1 / 3 coking coal, 20% fat coal and 15% main coking coal; its quality index (wt%): V adf 30.0%, A d 13.5%, FC d 60.6%, S t,d 0.67%, cohesion index G=74, fineness (≤3mm)=73.6%.

[0103] The coal into the furnace was tested in a 40kg small coke oven (the furnace charge was isolated from the air and continued to heat for 20 hours, the temperature of the center of the furnace charge reached 1050°C before being released from the furnace, and it was cooled to room temperature after coke quenching): the gas production rate of the furnace charge was 353.4Nm 3 / t; In dry distillation gas before adding carbonate carbon replenishing raw materials: H 2 57.5%, CH 4 24.5%, CO7.5%, CO 2 2.8%, the rest is N 2 、C m h n , O 2 Wait. CO 2 The conversion ratio is calculated as 0.55, and the hydrogen-to-carbon ratio R before alkane...

Embodiment 3

[0113] Dolomite ore composition (wt%): CaO30.4%, MgO21.7%, burning loss rate 47.4%, impurity 0.46%.

[0114] The furnace coal is composed of 30% lean coal, 35% 1 / 3 coking coal, 20% fat coal and 15% main coking coal; its quality index (wt%): V adf 30.0%, A d 13.5%, FC d 60.6%, S t,d 0.67%, cohesion index G=74, fineness (≤3mm)=73.6%.

[0115] The coal into the furnace was tested in a 40kg small coke oven (the charge was continuously heated for 15 hours in isolation from the air, the center temperature of the charge reached 950°C, and then it was released from the furnace, and it was cooled to room temperature after coke quenching): the gas production rate of the coal into the furnace was 353.4Nm 3 / t; In dry distillation gas before adding carbonate carbon replenishing raw materials: H 2 54.5%, CH 4 25.5%, CO10.7%, CO2 3.7%, the rest is N 2 、C m h n , O 2 Wait. CO 2 The conversion ratio is calculated as 0.55, and the hydrogen-to-carbon ratio R before alkane conversion ...

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Abstract

A method for producing synthetic oil by self-supplementing carbon by using retort coal gas as a raw material. The method is to add carbonate carbon supplement raw materials with a particle size of ≤80 mesh into the furnace coal in proportion, mix them, put them into a retort furnace for heating, and then After coke quenching and cooling to normal temperature, and then sieving, it becomes a solid clean fuel, and the generated CO2 and CO gas are directly entered into the dry distillation gas to match with the excess H2 gas to achieve the purpose of carbon replenishment. In the present invention, carbonate minerals are directly added to dry distillation furnace coal, and CO2 and CO gases generated by thermal decomposition thereof are used to replenish carbon for dry distillation coal gas. It has the characteristics of rich sources of raw materials, simple process, low equipment investment, low cost of carbon supplementation, and good economy. It can be widely used in comprehensive utilization projects of high and medium temperature dry distillation gas.

Description

technical field [0001] The invention relates to a method for producing synthetic oil, in particular to a method for producing synthetic oil by self-supplementing carbon by using dry distillation gas as a raw material. Background technique [0002] Synthetic oil is a clean and efficient liquid fuel with high added value produced by Fischer-Tropsch synthesis technology, and it is an excellent substitute for petroleum products. The most important advantage of synthetic oil is that it does not contain non-ideal components such as sulfur, nitrogen, nickel impurities, and aromatics. It is a clean fuel and fully meets the strict requirements of modern engines and increasingly stringent environmental regulations. Converting dry distillation gas into synthetic oil through the F-T process has opened up a new way for the production of clean fuels, which has important strategic significance for alleviating the pressure on national oil imports and ensuring energy security. [0003] Coal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G2/00
Inventor 杜文广刘守军张智聪上官炬杨颂
Owner 科瑞康洁净能源技术有限公司
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