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System and method for preparing high-activity straw coke

A high activity, straw technology, used in coke ovens, special forms of dry distillation, petroleum industry, etc., can solve the problem of difficult to prepare reactive coke

Inactive Publication Date: 2012-10-10
XI AN JIAOTONG UNIV
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AI Technical Summary

Problems solved by technology

[0004] However, when using straw biomass to produce coke, because the process is affected by factors such as heating temperature, heating rate, fuel particle size, atmosphere and heating time, it is often difficult to produce coke with the best reactivity.

Method used

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  • System and method for preparing high-activity straw coke

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Embodiment Construction

[0022] see figure 1 , the present invention includes a high-temperature heating furnace 5 internally provided with a supporting fixture 7, a coking reactor 4 is installed in the high-temperature heating furnace 5, and a protective gas inlet, a protective gas Exit and coking reactor explosion-proof door 1, coking reactor 4 is also equipped with a lifting hook 3, the upper end of the side wall of coking reactor 4 is provided with an outlet connected to the flue 15, and the flue 15 passes through the flue valve 16. The condenser 14 is in communication with the tar collection container 8, and the upper end of the tar collection container 8 is also communicated with the pyrolysis gas collection container 9 with the exhaust pipe 10 through a pipeline, wherein the tar collection container 8 is equipped with a tar collection container Container explosion-proof door 13; pyrolysis gas collection container explosion-proof door 12 is installed on the pyrolysis gas collection container 9, ...

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Abstract

The invention relates to a system and a method for preparing high-activity straw coke. The method comprises the steps: filling granular straw biomass with higher alkali metal content in a high-temperature electric furnace, and controlling the reasonable heating rate and the constant heating temperature to prepare straw coke with high reaction activity; condensing and collecting tar and pyrolysis gas at the outlet of a coke preparing reactor; and after heating is finished, continuously introducing nitrogen gas until the coke preparing reactor is cooled to room temperature, and taking out the coke sample. The method is suitable for preparing coke with high reaction activity by utilizing the straw biomass with high alkali metal content.

Description

technical field [0001] The invention belongs to the field of coking and chemical industry, and in particular relates to a system and method for preparing high-activity straw coke. Background technique [0002] Biomass is widely regarded as a “CO 2 The world's annual biomass production is about 3 billion tons, and biomass energy accounts for 14% of the world's energy composition. Among the various biomass resources in China, straw biomass accounts for about Accounting for 65% of the total biomass production, the utilization of straw biomass has become the focus of China's biomass resource utilization. [0003] An important feature of straw biomass is the high alkali metal content, which leads to serious coking problems during high-temperature combustion, which affects the efficient utilization of straw biomass. In order to avoid serious coking problems, biomass with high alkali metal content is usually widely used to produce secondary chemical products such as coke, oil, an...

Claims

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Application Information

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IPC IPC(8): C10B53/02C10B57/00
CPCY02E50/14Y02E50/10
Inventor 王学斌谭厚章王新民徐通模
Owner XI AN JIAOTONG UNIV
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