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An energy-saving device and method for producing activated carbon from traditional Chinese medicine residue rhizomes

A technology for the production of activated carbon and traditional Chinese medicine dregs, which is applied in chemical instruments and methods, energy input, climate sustainability, etc., can solve the problems of energy consumption per unit output, high cost, and low utilization rate of raw materials, and achieve basic waste gas emissions. Improvement of thermal energy utilization rate and high thermal energy utilization rate

Inactive Publication Date: 2018-02-27
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0005] The invention is an energy-saving device for producing activated carbon from rhizomes of traditional Chinese medicine, which solves the technical problems of high cost of producing activated carbon with wood and coal, low utilization rate of raw materials, high energy consumption per unit output, etc.

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  • An energy-saving device and method for producing activated carbon from traditional Chinese medicine residue rhizomes

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with specific examples, but the embodiments of the present invention are not limited thereto, and for process parameters not specifically indicated, conventional techniques can be referred to.

[0027] Such as figure 1 As shown, the various components in the figure are as follows: the first water washer 1, the first dryer 2, the pulverizer 3, the raw material preheater 4, the raw material mixing tank 5, the vacuum filter 6, the second dryer 7, and the carbonization furnace 8 , activation furnace 9, cooler 10, pickling device 11, water washer 12, third dryer 13, waste heat boiler 14, first heat exchanger 15, second heat exchanger 16.

[0028] The connection relationship of the present invention is as follows:

[0029] An energy-saving device for producing activated carbon from rhizomes of traditional Chinese medicine, including a first water washer 1, a raw material preheater 4, a raw materia...

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Abstract

The invention discloses an energy-saving device and method for producing activated carbon from traditional Chinese medicine slag rhizome. The device comprises a water scrubber, a dryer, a pulverizer, a raw material preheater, a heat exchanger, a raw material mixing tank, a vacuum filter, a carbonization furnace, an activation furnace, a cooler and a waste heat boiler. A phosphoric acid activation process and flue gas residual heat are utilized to heat the materials and supply heat to the outside, and the surplus steam energy can enter the raw material preheater to be fully utilized, thereby solving the problems of high unit yield energy consumption, high exhaust emission, environment pollution and the like. The heat utilization efficiency is greatly enhanced: the flue gas of the carbonization furnace and activation furnace is recycled, high-temperature steam generated by the dryer is fully utilized, and thus, the heat utilization efficiency is very high.

Description

technical field [0001] The invention relates to the field of activated carbon preparation and chemical process flow, in particular to an energy-saving device and method for producing activated carbon from rhizomes of traditional Chinese medicine residue. Background technique [0002] Activated carbon is a carbonaceous material with special microcrystalline structure, developed pore structure, huge specific surface area and strong adsorption capacity, and is widely used in various industries. However, the cost of activated carbon prepared from coal, wood, etc. as raw materials is too high, and the country has implemented policies to protect forests and restrict mining in recent years, which limits its use. For this reason, people try to find other raw materials to replace coal, wood, etc. to prepare gac. [0003] At the same time, with the vigorous development of Chinese medicine in my country, a large number of innovations in traditional Chinese medicine, and the gradual im...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/39C01B32/342
CPCY02P20/10Y02P20/129
Inventor 方利国李子洋
Owner SOUTH CHINA UNIV OF TECH