CN218923842U

CN218923842U - Ethanol leaching system for powdery material

Info

Publication number: CN218923842U
Application number: CN202221187611.8U
Authority: CN
Inventors: 李普选; 郭立; 孙婧; 庞伟红; 常永青; 胡庆涛
Original assignee: Zhengzhou Yuanyang Edible Oils Engineering & Technology Co ltd
Current assignee: Zhengzhou Yuanyang Edible Oils Engineering & Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-04-28
Anticipated expiration: 2032-05-18

Abstract

The utility model belongs to the technical field of powder material extraction, and particularly relates to an ethanol extraction system of powder materials, which comprises a raw material bin, a first multi-stage extraction filter, wherein each stage of extraction filter comprises an extraction tank and a filter, each extraction tank is provided with a material inlet, a fresh solvent inlet, a mixed oil inlet and a discharge port, the discharge port of each stage of extraction tank is communicated with a filter feed port through a pump, each filter is provided with a compressed gas inlet, a filtrate outlet and a filter residue outlet, the filter residue outlet of each upper stage of filter is communicated with the material inlet of a lower stage of extraction tank, the mixed oil inlet of each upper stage of extraction tank is communicated with the filtrate outlet of the lower stage of filter, the filter outlet of the first stage of extraction filter is communicated with the mixed oil temporary storage tank, and the filter residue outlet of the last stage of extraction filter is dried and sent to other procedures after being washed by fresh solvent.

Description

Ethanol leaching system for powdery material

Technical Field

The utility model belongs to the technical field of powder material extraction, and particularly relates to an ethanol leaching system for powder materials.

Background

When the components of the powdery material are leached, the powdery material is finer, the permeability is poorer, the traditional grease leaching process and equipment cannot be used, the traditional grease leaching process and equipment are often limited to small-scale experimental production, the separation time of the solid material and the liquid material is long, the solid material contains more dissolved matters, the subsequent drying is difficult, and the daily production capacity is less than 400 kg.

Disclosure of Invention

The utility model aims to provide an ethanol leaching system for powdery materials, which enables the effective components in the powdery materials to be quickly released through multistage repeated extraction and forced pressure filtration, thereby shortening the extraction time of the powdery materials and greatly improving the production scale of the extraction of the powdery materials.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ethanol leaching system of powdery material, including former feed bin, the at least one-stage extraction filter that links to each other in proper order, every-stage extraction filter all includes an extraction jar and a filter, all be equipped with the material import on every extraction jar, fresh solvent import, mixed oil import and discharge gate, and the extraction jar discharge gate of every-stage passes through pump and filter feed inlet UNICOM, every filter all is equipped with compressed gas import, filtrate export and filter residue export, former feed bin is linked together with the material import of the extraction jar of first-stage extraction filter, the filter residue export of every last-stage filter is linked together with the material import of next-stage extraction jar, the mixed oil import of every last-stage extraction jar is linked together with the filtrate export of next-stage filter, the filter residue export of last-stage extraction filter is dried after fresh solvent washs and is sent other processes for later use.

Furthermore, a raw material temporary storage box is further arranged between the raw material bin and the extraction tank of the first-stage extraction filter, and two parallel fine filters are further arranged at the front end feed inlet of the mixed liquor temporary storage tank.

Further, each filter is internally provided with a 500-1200 mesh screen, each extraction tank is externally provided with a jacket, a spiral coil is arranged in the jacket, each extraction tank is internally provided with a stirrer, the top of each extraction tank is provided with a gas-liquid mixing pipeline, the outlet of the gas-liquid mixing pipeline is connected with the inlet of a gas-liquid separator, the gas-liquid separator is provided with a gas outlet and a liquid outlet, the gas outlet is connected with an ethanol gas collecting tank, and the liquid outlet is connected with a mixed oil temporary storage tank.

A process for leaching a powdered material in an ethanol leaching system, comprising the steps of: mixing the materials and the mixed oil according to the volume ratio of 1:1 to 1:20 are extracted in a first-stage extraction tank at 40-100 ℃ and then are sent to a first-stage filter for filtration, the filtrate is sent to a mixed oil temporary storage tank for separation to obtain a product for use after being forcedly filtered by the filter under the nitrogen pressure of 0-0.8 MPa, the filter residue is sent to a second-stage extraction tank for continuous extraction, and the solvent of the second-stage extraction tank is the mixed oil of the filtrate from the next-stage filter, and the volume ratio of the mixed oil to the filtrate is 1:1 to 1:20 are extracted in a second-stage extraction tank at 40-100 ℃ and then are filtered by a second-stage filter, the filtrate is taken as mixed oil to be sent to an upper-stage extraction tank to be used as solvent for cyclic extraction after being forcedly filtered by the filter under the nitrogen pressure of 0-0.8 MPa, the filter residue is filtered by the last-stage filter after being extracted by fresh solvent ethanol when the operation is repeated to the last-stage extraction tank, and the filtrate is sent to the upper stage to be used as the mixed oil solvent for continuous use.

Further, the fresh solvent is food grade ethanol with concentration not lower than 90%.

The utility model has the advantages that: the utility model uses the low-concentration mixed oil filtered by the later stage as the extraction liquid of the former stage for recycling until the mixed oil is separated from the first stage as the thickest mixed oil, and adopts a forced pressurizing and separating mode to blow and dry the middle filter with nitrogen gas, thereby shortening the leaching time, greatly improving the yield, realizing industrialized mass production, maximally dissolving and extracting the effective components in the powdery material, improving the production efficiency, and realizing at least 3 tons of treatment capacity per day after using the technology and the equipment under the condition that the traditional technology only can produce less than 400 kilograms of material per day.

Drawings

FIG. 1 is a schematic diagram of a five stage extraction filter according to the present utility model.

Detailed Description

As shown in fig. 1, an ethanol leaching system for powdery materials comprises a raw material bin 1, and a combination of one or more stages of extraction filters, such as a first stage extraction filter, a second stage extraction filter, a third stage extraction filter, a fourth stage extraction filter, a fifth stage extraction filter and the like, which are sequentially connected with the raw material bin 1, wherein each stage of extraction filter comprises an extraction tank 2 and a filter 3, each extraction tank 2 is provided with a material inlet, a fresh solvent inlet, a mixed oil inlet and a discharge port, the discharge port of each stage of extraction tank is communicated with the feed port of the filter 3 through a pump 4, each filter 3 is provided with a compressed gas inlet, a filtrate outlet and a filter residue outlet, the raw material bin 1 is communicated with the material inlet of the extraction tank of the first stage of extraction filter, the filter residue outlet of each upper stage of the extraction filter is communicated with the material inlet of the next stage of the extraction tank, the mixed oil inlet of each upper stage of the extraction tank is communicated with the filtrate outlet of the next stage of the extraction tank, the filter filtrate outlet of the first stage of the extraction filter is communicated with the mixed oil temporary storage tank 6 inlet, the mixed oil is used as a product after being separated, and the filter residue is washed by the filter residue outlet of the first stage of the extraction filter is sent to fresh for further drying process; a raw material temporary storage box 5 is further arranged between the raw material bin 1 and the extraction tank 2 of the first-stage extraction filter, the raw material temporary storage box 5 is used for controlling the adding speed of raw materials according to the actual extraction condition, two parallel fine filters 7 are further arranged at the front end feed inlet of the mixed liquor temporary storage tank 6, and the fine filters 7 are used for ensuring the minimum content of impurities and filter residues in the finally obtained mixed oil, so that the separation treatment of the later-stage extraction products is facilitated; the inside screen cloth that all is equipped with 50-1200 meshes of every filter, the solid-liquid separation that the screen cloth cooperation high pressure compressed nitrogen gas can accelerate extraction mixing boring shortens the duration of whole extraction cycle, all be equipped with the clamp cover outside every extraction jar, be equipped with spiral coil pipe in the clamp cover, the superheated steam that lets in the coil pipe, can promote the quick progress of extraction process, be equipped with the agitator in every extraction jar, the setting of agitator is also in order to promote extraction reaction, accelerate extraction process, every extraction jar top all is equipped with a gas-liquid mixing pipeline, the setting of gas-liquid pipeline is in order to collect the filter residue and carry a part when getting into the extraction jar and sweep nitrogen gas and reuse, gas-liquid mixing pipeline export links to each other with the gas-liquid separator import, the gas-liquid separator is equipped with gas outlet and liquid export, the gas outlet links to each other with the ethanol gas collection jar, the liquid export links to each other with the mixed oil temporary storage jar.

A process for leaching a powdered material in an ethanol leaching system, comprising the steps of: mixing the materials and the mixed oil according to the volume ratio of 1:18 to 1:20 are extracted in a first-stage extraction tank at 40-100 ℃ and then are sent to a first-stage filter for filtration, the filtrate is sent to a mixed oil temporary storage tank for separation to obtain a product for use after being forcedly filtered by the filter under the nitrogen pressure of 0-0.8 MPa, the filter residue is sent to a second-stage extraction tank for continuous extraction, and the solvent of the second-stage extraction tank is the mixed oil of the filtrate from the next-stage filter, and the volume ratio of the mixed oil to the filtrate is 1:1 to 1:20 is extracted in a second-stage extraction tank at 40-100 ℃ and then is filtered by a second-stage filter, the filtrate is taken as mixed oil to be sent to an upper-stage extraction tank to be used as solvent for circulating extraction after being subjected to forced filtration under the nitrogen pressure of 0-0.8 MPa, the filter residue is filtered by a final-stage filter after being extracted by fresh solvent ethanol when the operation is repeated to a final-stage extraction tank, the filter residue is sent to the upper stage to be used as mixed oil solvent for continuous use, the fresh solvent is food-grade ethanol with the concentration not lower than 90%, the fresh solvent is used for enabling the whole system to stably operate when the whole system is used for the first time, and after the system operates stably, the filtrate at the later stage is taken as the solvent at the former stage according to the process route of the utility model to be continuously extracted until the concentration of extracted mixed oil is maximized and then separated to obtain a product, and the fresh solvent is taken as the solvent to be used for extracting the effective components in the filter residue to the maximum extent when the last-stage extraction is performed.

Claims

1. An ethanol leaching system for powdery materials, characterized in that: including former feed bin, the at least one-stage extraction filter that links to each other in proper order, every one-stage extraction filter all includes an extraction tank and a filter, all be equipped with material inlet on every extraction tank, fresh solvent import, mixed oil import and discharge gate, and the extraction tank discharge gate of every one-stage passes through pump and filter feed inlet UNICOM, every filter all is equipped with compressed gas import, filtrate export and filter residue export, former feed bin is linked together with the material inlet of the extraction tank of first-stage extraction filter, the filter residue export of every last-stage filter is linked together with the material inlet of next-stage extraction tank, the mixed oil import of every last-stage extraction tank is linked together with the filtrate export of next-stage filter, the filter filtrate export of first-stage extraction filter is linked together with mixed oil temporary storage tank import, the filter residue export of last-stage extraction filter is dried after fresh solvent washs and is reserve.

2. The ethanol leaching system of a powdered material according to claim 1, wherein: the mixed oil temporary storage tank is characterized in that a raw material temporary storage tank is further arranged between the raw material bin and the extraction tank of the first-stage extraction filter, and two parallel fine filters are further arranged at the front end feed inlet of the mixed oil temporary storage tank.

3. An ethanol leaching system for powdery materials as claimed in claim 2, wherein: the inside screen cloth that all is equipped with 500-1200 meshes of every filter, every extraction jar all is equipped with the clamp cover outward, is equipped with spiral coil pipe in the clamp cover, is equipped with the agitator in every extraction jar, and every extraction jar top all is equipped with a gas-liquid mixing pipeline, and gas-liquid mixing pipeline export links to each other with the gas-liquid separator import, and the gas-liquid separator is equipped with gas outlet and liquid outlet, and gas outlet links to each other with ethanol gas collection tank, and liquid outlet links to each other with the mixed oil temporary storage tank.