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Method for gasification reduction and three-phase separation of pulverized coal and activated carbon preparation

A three-phase separation, activated carbon technology, applied in chemical instruments and methods, granular/powder fuel gasification, gasification process, etc., can solve the problems of difficult industrial application, small processing capacity, etc., achieve low ash content, reduce materials The effect of friction, reducing work intensity

Pending Publication Date: 2019-07-12
浙江天禄环境科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

This equipment can decompose pulverized coal into gas, tar gas and coal with high calorific value, but the processing capacity is small and it is difficult to be applied industrially

Method used

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  • Method for gasification reduction and three-phase separation of pulverized coal and activated carbon preparation
  • Method for gasification reduction and three-phase separation of pulverized coal and activated carbon preparation

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Embodiment Construction

[0120] Such as figure 1 Shown, a kind of pulverized coal gasification reduction and three-phase separation and the method for making activated carbon comprise the following steps:

[0121] (1) Under the action of the reclaimer, the coal in the raw coal yard is screened by the screening machine, crushed by the crusher, and then enters the fine coal silo through the conveying device.

[0122]The coal stacked in the raw coal yard is reclaimed by a side-type scraper reclaimer with a reclaiming capacity of 400t / h, and the working time is calculated as 10h. Mainly for the lump coal to enter the lump coal yard for storage, and the under-sieve material with a particle size of ≤30mm will enter the roller crusher for crushing, with an optional output of 200t / h, and the crushed material with a particle size of ≤13mm will pass through the belt conveyor. It is sent to the powder coal silo, and the length of the belt conveyor is 55m.

[0123] (2) The pulverized coal in the powder coal sil...

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Abstract

The invention provides a method for gasification reduction and three-phase separation of pulverized coal and activated carbon preparation. The method is characterized by comprising following steps: (1), coal is screened by a screening machine and pulverized by a pulverizer successively under the action of a material taking machine and pulverized coal enters a slack coal silo through a conveying device; 2), the pulverized coal is dried by a pre-dewatering device and then enters a primary gasification reduction device and a secondary gasification reduction device successively for reaction; solids enter a cold slag humidification system and then enter the silo; (3), high-temperature oil and gas are subjected to gas-solid separation and oil-gas cooling; a liquid enters a tar ash removing and separation system, and coal tar and wastewater are obtained; gas enters an electrical tar precipitator and a desulfurization system, and is compressed by a rich gas compression system; (4), rich gas passes through primary and secondary pressure reducing devices, and is gasified to supply heat to a reaction system, and the other rich gas dries materials after being dewatered; (5), flue gas containing dust and steam is subjected to bag dust removing and condensing recovery, and is discharged up to standard after treatment; (6), reuse water enters a waste heat boiler and is used as an activating agent to be subjected to an activation reaction with semi-coke entering an activating oven, and a finished activated carbon product is obtained.

Description

technical field [0001] The invention relates to the technical fields of coal clean pretreatment, comprehensive utilization, energy saving and emission reduction, and in particular relates to a method for pulverized coal gasification reduction, three-phase separation and activated carbon production. Background technique [0002] According to the "Action Plan for Clean and Efficient Utilization of Coal (2015-2020)" issued by the National Energy Administration, it will promote the clean and efficient utilization mechanism of coal, build a clean, efficient, low-carbon and sustainable coal clean utilization system, and encourage low-rank coal classification R&D and demonstration of fractional technology. In the future, the main direction of the utilization of coal by grade and quality is to make clean fuels and high-quality raw materials, which can not only be independently industrialized for deep processing, but also coupled with coal chemical industry to change the traditional ...

Claims

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Application Information

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IPC IPC(8): C10J3/48C10B53/04C10J3/72C10J3/84F26B3/06C01B32/336C01B32/33
CPCC10B53/04C10J3/48C10J3/72C10J3/84C10J2300/093C01B32/33C01B32/336F26B3/06Y02P20/129
Inventor 马倩吕彬峰潘建波金飞伟李正平
Owner 浙江天禄环境科技有限公司
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