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Innocent treatment method for traditional Chinese medicinal dregs

A technology of harmless treatment and traditional Chinese medicine slag, which is applied in the preparation of liquid hydrocarbon mixtures, special forms of dry distillation, biofuels, etc., can solve the problems of high energy consumption, secondary pollution, and low safety, so as to improve efficiency and increase Yield, effect of preventing volatilization

Inactive Publication Date: 2013-07-03
HARBIN INST OF TECH
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a harmless treatment method for traditional Chinese medicine dregs in order to solve the problems of secondary pollution, low safety and high energy consumption caused by the current treatment method of traditional Chinese medicine dregs

Method used

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Effect test

specific Embodiment approach 1

[0011] Specific implementation mode one: In this embodiment, the traditional Chinese medicine dregs is harmlessly treated according to the following steps: one, adding 10% to 20% of the quality of the traditional Chinese medicine dregs to the Chinese medicinal dregs; two, oxygen-isolated microwave irradiation, the microwave frequency is 2450MHz, the microwave power is 1kW~2kW, and the microwave irradiation time is 10~15min; 3. Pass the pyrolysis products irradiated by microwave into the reactor with condensate and methanol from the bottom in turn, and the condensate is divided into two layers. The upper layer is water, and the lower layer is dichloromethane; 4. Recover the solid residue of microwave irradiation and use it as a wave-absorbing substance in step 1. The recovered non-condensable combustible gas that is insoluble in condensate and methanol has an air excess coefficient of 0.3 to 0.5 Carry out gasification and incineration under certain conditions, and then distill a...

specific Embodiment approach 2

[0016] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the solid residue recovered from microwave irradiation in Step 4 is mainly porous carbon. Other steps and parameters are the same as those in Embodiment 1.

[0017] The purity of the porous carbon in this embodiment is ≥50%, which can be used to make activated carbon and has strong wave absorption.

specific Embodiment approach 3

[0018] Embodiment 3: The difference between this embodiment and Embodiment 1 is that in Step 1, the moisture content of the traditional Chinese medicine dregs is 80% to 85%. Other steps and parameters are the same as those in Embodiment 1.

[0019] Traditional Chinese medicine dregs can be divided into alkaloid-containing traditional Chinese medicine dregs, glycoside-containing traditional Chinese medicine dregs, and volatile oil-containing traditional Chinese medicine dregs according to their components.

[0020] In this embodiment, the drug dregs (traditional Chinese medicine dregs containing volatile oil) for preparing Duliang pills are selected for treatment (the total weight of gas production, fuel oil production and solid residues is 100%, excluding water and added wave-absorbing substances) , the same kind of traditional Chinese medicine decoction pieces dregs under the same water content conditions, gas production, fuel oil production and solid residue ratio are basica...

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Abstract

An innocent treatment method for traditional Chinese medicinal dregs relates to a treatment method for medicinal dregs. The present invention solves the problems caused by the existing treatment method for traditional Chinese medicinal dregs, such as secondary pollution, low safety and high energy consumption. The treatment method comprises the following steps: adding wave absorbing substances; isolating oxygen and irradiating with microwaves; condensing and absorbing products of microwave irradiation pyrolysis; recycling and utilizing solid residues, non-condensable combustible gas and dichloromethane. The use of the method for processing traditional Chinese medicinal dregs has the advantages of high safety, no secondary pollution, no land occupation, low energy consumption, waste utilization, etc.

Description

technical field [0001] The invention relates to a treatment method of medicinal dregs. Background technique [0002] It is a unique treatment method of traditional Chinese medicine in my country to make decoction with herbal decoction pieces, which has remarkable effects on the treatment of many diseases and the maintenance of the human body. Along with the popularization and general approval of Chinese medicine, more and more Chinese patent medicines prepared by Chinese medicine decoction and Chinese medicine decoction pieces are used, thus producing a large amount of Chinese medicine dregs, especially Chinese medicine factories. Traditional Chinese medicine dregs are all treated by incineration. Since the dregs contain a lot of water, if they are dried and then incinerated, the energy consumption is high, and the gain is not worth the loss. If they are directly incinerated, a higher combustion temperature is required, and the heat loss is large; The secondary pollution an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/02C10G1/00
CPCY02E50/32Y02E50/14Y02E50/10Y02E50/30
Inventor 田禹赵博研左薇任正元
Owner HARBIN INST OF TECH
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