CN203440272U - Device for separating biomass raw materials in wheat straws - Google Patents
Device for separating biomass raw materials in wheat straws Download PDFInfo
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- CN203440272U CN203440272U CN201320565255.3U CN201320565255U CN203440272U CN 203440272 U CN203440272 U CN 203440272U CN 201320565255 U CN201320565255 U CN 201320565255U CN 203440272 U CN203440272 U CN 203440272U
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Abstract
The utility model relates to a device for separating biomass raw materials in wheat straws. The separating process comprises the following steps: 1), adding smashed wheat straws into a mixing and stirring pond, stirring by adding water; 2), pumping the obtained mixed slurry into a high-pressure hydrolytic kettle for hydrolysis; 3), pumping the hydrolyzed mixed materials into a high-temperature standing separator, performing evaporative crystallization on the supernatant liquid, and separating, so as to obtain hemicellulose; 4), pumping solid material on the lower layer of the high-temperature standing separator into an extraction pond, and filtering the extracted lower-layered solid material, so as to obtain cellulose; 5), pouring the supernatant liquid into an acid-base regulating tank, adding acid to stir, standing for separation, taking the solid material on the lower layer to be transferred to a filter, and filtering, so as to obtain the lignin product. According to the separating device provided by the utility model, various constituted biomass raw materials in the wheat straws can be separated out, so that the effective conversion and utilization of various components of the wheat straws can be realized, therefore, the difficulty that the various components cannot be all separated out by adopting the traditional separating method is solved, and besides, the resource waste is avoided.
Description
Technical field
The utility model relates to the separation technology field of agricultural-forestry biomass raw material, is specifically related to the tripping device of biomass material in a kind of wheat stalk.
Background technology
Minimizing gradually along with fossil resource reserves such as coal, oil, and the increase of various countries' energy and Raw Material Demand amount, only depend on fossil resource can not meet the needs of economy and social development, the substitute of finding fossil resource has become the development trend of current and expected future.China's wheat straw resource is abundant, produces approximately 1.5 hundred million tons of wheat stalks per year.If can utilize fully efficiently the abundant renewable resources of these reserves, convert it into high-valued product or the energy, to supplementing the deficiency of the fossil resource reducing gradually, promote the Sustainable development of China's economy to there is vital role.
The main ingredient of wheat stalk is Mierocrystalline cellulose, hemicellulose and xylogen.To these components, there is object to transform, can obtain the novel material, industrial chemicals, high performance fuel, functional food and the medicine that in modern society and economic life, there are use value.Cellulose conversion can obtain various functional materialss (as bio-medical material, energy-accumulating material, luminescent material, liquid crystal display material of new generation), foodstuff additive (as various oligose, glucose), various Chemicals (as ethanol, acetic acid, acetone, butanols, 1-(2-furyl)-2-hydroxyl-ethyl ketone) etc.Hemicellulose transforms can obtain various xylans, anticancer and antitumor pharmaceutical prod (as 4-O-methyl glucoside aldehydic acid xylan, carboxymethylation xylan, the different xylan of acetic acid etc.), pentose, Xylitol, furfuryl alcohol, butyleneglycol etc.Xylogen, except as rubber reinforcing filler, drilling mud additives, cement water reducing agent, fertilizer agricultural mulching, can also obtain by conversion the Chemicals such as phenols, aromatic aldehyde, ketone.
It is pointed out that the key that each component in wheat stalk is converted into use value product is that its each component is separated in advance.But owing to lacking effective isolation technique, effective conversion of each component that in wheat stalk, using value has a high potential is still a difficult problem.Although difficult, researcher is still adhered to the research work of this respect both at home and abroad, and has obtained certain achievement in research.Chinese patent CN 1208514 C disclose a kind of method of biomass of separating lignocellulose-containing, this patent is that water or water vapor are by wheat stalk prehydrolysis, with water-bearing media, extract the hemicellulose of hydrolysis, with alkanolamine, be extracted in the xylogen of the process modification staying in resistates, separating lignin, reclaim alkanolamine, obtain Mierocrystalline cellulose coarse fodder.Chinese patent CN 101580522 B disclose a kind of method and apparatus that uses superfluorescent fiber element solvent and high volatile volatile solvent pre-treatment lignocellulose, and this patent is to use superfluorescent fiber element solvent (Tripyrophosphoric acid, or strong phosphoric acid and P
2o
5mixture, or P
2o
5steam, or H
3pO
4/ P
2o
5mixture) and high volatile volatile solvent (containing CO
2, SO
2, O
3, or the ethanolic soln of the mixture of the two or all three kinds in them) lignocellulose biomass (comprising wheat stalk) is classified as to Mierocrystalline cellulose, hemicellulose and xylogen.Chinese patent CN 103061179 A disclose a kind of comprehensive utilization process of lignocellulose biomass, and this patent is at H
2o
2katalysis under, by the mixed organic acid boiling wheat stalk raw material of formic acid and acetic acid, in preparing the process of paper pulp, reclaim xylogen and wood sugar in black liquor.Chinese patent CN 101580522 B disclose xylogen and cellulosic method in the separated lignocellulose of a kind of ion liquid solvent, this patent is that the liquid-phase system forming at glyoxaline ion liquid and water adds wheat stalk, in autoclave, under certain temperature and pressure, carry out xylogen with cellulosic separated.The H such as Papatheofanous
2sO
4the aqueous solution and H
2sO
4/ aqueous ethanolic solution is separated is step by step separated into Mierocrystalline cellulose, hemicellulose sugar and xylogen oligomer (Bioresour. Technol. 1995,54,305) by wheat stalk.Use dioxane/salt aqueous acids such as Sun and dimethyl sulfoxide (DMSO) are isolated hemicellulose and xylogen (J. Agric. Food Chem., 2005,53,860) from wheat stalk.The aqueous acetic acid that the use such as Pan contain sulfuric acid is separated by wheat stalk, obtains Mierocrystalline cellulose, xylogen and hemicellulose sugar monose (Bioresour. Technol. 2005,96,1256).Chen etc. isolate each component (Bioresour. Technol. 2007,98,666) by steam explosion associating alcohol extraction technology from wheat stalk.Someone dissolves wheat stalk with ionic liquid 1-ethyl-3-methylimidazole acetate, then by adding hydrochloric acid soln and ethanolic soln each component to be separated to (Bioresour. Technol. 2013,142,198).
According to existing present Research, still there is serious defect or deficiency in the isolation technique of wheat stalk: in wheat stalk, each component can not all be separated, and result causes wastage of material; Although some separation method can be separated three components, but use corrodibility or volatility chemical reagent in wheat stalk processing or sepn process, can change like this xylogen or cellulosic chemical structure, cause severe environmental pollution, or because using corrosion-resistant or high pressure resistant equipment to cause equipment cost to increase; The separation agent of some separation method can not efficient recovery or recycle, even or separation agent can reclaim, but recovery method is complicated, is unfavorable for promoting and using.
Utility model content
The purpose of this utility model is the deficiency for solving the problems of the technologies described above, the device of biomass material in a kind of separation wheat stalk is provided, can successfully each component in wheat stalk be separated, and do not use polluted and corrosive or volatility chemical reagent, zero release of pollutant, and technique is simple, production cost is low, separating effect is high, practical, is applicable to industrial mass production.
The utility model is the deficiency solving the problems of the technologies described above, the technical scheme adopting is: the tripping device of biomass material in a kind of wheat stalk, and described tripping device comprises mix and blend pond, highly pressured hydrolysis still, quiescence in high temperature separator, abstraction pool, evaporative crystallizer, centrifuge separator, solid-liquid standing separation device, acid-alkali accommodation pond, a plurality of pump and two filters taken out, described mix and blend pond has stalk charging opening and filler, the outlet in mix and blend pond is connected to highly pressured hydrolysis still by the pump housing, highly pressured hydrolysis still is connected to quiescence in high temperature separator by the pump housing, the liquid-phase outlet of quiescence in high temperature separator is connected to evaporative crystallizer by the pump housing, the solid phase outlet of evaporative crystallizer is connected to centrifuge separator, the solid phase outlet of quiescence in high temperature separator is connected to abstraction pool by the pump housing, abstraction pool has choline carboxylic acid salt solution charging opening, the outlet of abstraction pool is connected to solid-liquid standing separation device by the pump housing, the liquid-phase outlet of solid-liquid standing separation device is connected to acid-alkali accommodation pond, the solid phase outlet in acid-alkali accommodation pond connects filter, solid-liquid standing separation device solid phase outlet be connected to filter.
The liquid-phase outlet in described acid-alkali accommodation pond is connected to pH regulator tank, and the outlet of pH regulator tank is connected to the choline carboxylic acid salt solution charging opening of abstraction pool.
beneficial effect
1, tripping device of the present utility model can be separated each component biomass material in wheat stalk, thereby can realize effective conversion and the utilization of each component of wheat stalk, thereby solved in traditional separation method and can not, by a difficult problem of all separating for each component, avoid again the waste of resource simultaneously;
2, tripping device of the present utility model is in the process of separated hemicellulose, the separation agent using is the water solvent of environmental protection, in the process of separating lignin, the separation agent using is the aqueous solution of choline carboxylate salt, choline carboxylate salt is also environmental protection reagent, nontoxic, and can biological degradation.Although used acid while regulating pH value, the acidic aqueous solution of isolating after xylogen carries out acid-base neutralisation with choline hydroxide again, the acid in solution changes into choline carboxylate salt raw material with alkali reaction again, can recycle and reuse; Therefore, in whole sepn process, do not use and pollute poisonous chemical reagent, do not discharge pollutants again, so just solved a difficult problem of using polluted and corrosive or volatility chemical reagent to cause environmental pollution in traditional method;
That 3, tripping device of the present utility model uses when separating lignin and Mierocrystalline cellulose is choline carboxylic acid salt solution, choline carboxylate salt does not react with xylogen or Mierocrystalline cellulose, therefore xylogen and the Mierocrystalline cellulose separated remain unchanged substantially in chemical structure, therefore to xylogen and cellulosic further autotelic trans-utilization, provide raw material assurance;
4, the technological process of tripping device of the present utility model and lock out operation are simple, therefore the water of the recovery in sepn process and choline carboxylic acid salt solution can be recycled, and can economize in raw materials, reduce costs low, and separating effect is high, practical, be applicable to industrial mass production.
Accompanying drawing explanation
Fig. 1 is depicted as the schematic diagram of tripping device of the present utility model;
Mark in figure: 1, mix and blend pond, 2, highly pressured hydrolysis still, 3, quiescence in high temperature separator, 4, abstraction pool, 5, evaporative crystallizer, 6, centrifuge separator, 7, solid-liquid standing separation device, 8, acid-alkali accommodation pond, 9, pH regulator tank, 10, filter.
Embodiment
As shown in the figure: the tripping device of biomass material in a kind of wheat stalk, described tripping device comprises mix and blend pond 1, highly pressured hydrolysis still 2, quiescence in high temperature separator 3, abstraction pool 4, evaporative crystallizer 5, centrifuge separator 6, solid-liquid standing separation device 7, acid-alkali accommodation pond 8, a plurality of pump and two filters 10 taken out, described mix and blend pond 1 has stalk charging opening and filler, the outlet in mix and blend pond 1 is connected to highly pressured hydrolysis still 2 by the pump housing, highly pressured hydrolysis still 2 is connected to quiescence in high temperature separator 3 by the pump housing, the liquid-phase outlet of quiescence in high temperature separator 3 is connected to evaporative crystallizer 5 by the pump housing, the solid phase outlet of evaporative crystallizer 5 is connected to centrifuge separator 6, the solid phase outlet of quiescence in high temperature separator 3 is connected to abstraction pool 4 by the pump housing, abstraction pool 4 has choline carboxylic acid salt solution charging opening, the outlet of abstraction pool 4 is connected to solid-liquid standing separation device 7 by the pump housing, the liquid-phase outlet of solid-liquid standing separation device 7 is connected to acid-alkali accommodation pond 8, the solid phase outlet in acid-alkali accommodation pond 8 connects filter 10, solid-liquid standing separation device 7 solid phase outlet be connected to filter 10.The liquid-phase outlet in described acid-alkali accommodation pond 8 is connected to pH regulator tank 9, and the outlet of pH regulator tank 9 is connected to the choline carboxylic acid salt solution charging opening of abstraction pool 4.
The separating technology that utilizes biomass material in a kind of wheat stalk of above-mentioned tripping device, comprises the following steps:
1), add in mix and blend pond after wheat stalk is crushed to 40 orders, in mix and blend pond, pass into after water, stir and obtain mixed slurry;
2), mixed slurry is pumped in highly pressured hydrolysis still, control pressure is 0.15Mpa, hydrolysis treatment 30min;
3), by hydrolysis after mixture pump into quiescence in high temperature separator, after standing separation, the supernatant liquid of quiescence in high temperature separator pumps in evaporative crystallizer by liquid-phase outlet, then after centrifuge separator, obtains hemicellulose product; The recycle-water of evaporative crystallization re-uses in step 1).
4), the lower floor of quiescence in high temperature separator expects to be exported and pumped in abstraction pool by solid phase admittedly, in abstraction pool, add choline carboxylic acid salt solution, temperature is controlled at 80 ℃, stir 120min, material after extraction pumps in solid-liquid standing separation device, treat that standing separation Hou， lower floor expects to enter filter through the solid phase outlet of solid-liquid standing separation device admittedly, after filtration, obtain cellulose prods; In described choline carboxylic acid salt solution, the weight ratio of choline carboxylate salt and water is 9:1.
The negatively charged ion of choline carboxylate salt is glucose acid group, lactate, citrate, ethanol acid group, acetate, propionate, butyric acid root, propylene acid group, tartrate anion or amber acid radical.
5), the supernatant liquid in solid-liquid standing separation device enters acid-alkali accommodation pond, add acid solution to regulate pH value to 2.0, being stirred to solid matter precipitation separates out completely, after standing separation, the solid substances that takes off layer moves to filter, obtains lignin product after filtration, and supernatant liquid moves to pH regulator tank, add choline hydroxide to regulate pH value to neutral, can be used as choline carboxylic acid salt solution and recycle.Regulating the acid of pH value use is gluconic acid, lactic acid, citric acid, oxyacetic acid, acetic acid, propionic acid, butyric acid, vinylformic acid, tartrate or succsinic acid.
As calculated, the separation rate of hemicellulose is 83%, and cellulosic separation rate is 98%, the separation rate 93% of xylogen.
Claims (2)
1. a tripping device for biomass material in wheat stalk, is characterized in that: described tripping device comprises mix and blend pond (1), highly pressured hydrolysis still (2), quiescence in high temperature separator (3), abstraction pool (4), evaporative crystallizer (5), centrifuge separator (6), solid-liquid standing separation device (7), acid-alkali accommodation pond (8), a plurality of pump and two filters taken out, described mix and blend pond (1) has stalk charging opening and filler, the outlet in mix and blend pond (1) is connected to highly pressured hydrolysis still (2) by the pump housing, highly pressured hydrolysis still (2) is connected to quiescence in high temperature separator (3) by the pump housing, the liquid-phase outlet of quiescence in high temperature separator (3) is connected to evaporative crystallizer (5) by the pump housing, the solid phase outlet of evaporative crystallizer (5) is connected to centrifuge separator (6), the solid phase outlet of quiescence in high temperature separator (3) is connected to abstraction pool (4) by the pump housing, abstraction pool (4) has choline carboxylic acid salt solution charging opening, the outlet of abstraction pool (4) is connected to solid-liquid standing separation device (7) by the pump housing, the liquid-phase outlet of solid-liquid standing separation device (7) is connected to acid-alkali accommodation pond (8), the solid phase outlet in acid-alkali accommodation pond (8) connects filter, the solid phase outlet of solid-liquid standing separation device (7) is connected to filter.
2. the tripping device of biomass material in a kind of wheat stalk as claimed in claim 1, it is characterized in that: the liquid-phase outlet in described acid-alkali accommodation pond (8) is connected to pH regulator tank, the outlet of pH regulator tank is connected to the choline carboxylic acid salt solution charging opening of abstraction pool (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565255.3U CN203440272U (en) | 2013-09-12 | 2013-09-12 | Device for separating biomass raw materials in wheat straws |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565255.3U CN203440272U (en) | 2013-09-12 | 2013-09-12 | Device for separating biomass raw materials in wheat straws |
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| CN203440272U true CN203440272U (en) | 2014-02-19 |
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| CN201320565255.3U Expired - Fee Related CN203440272U (en) | 2013-09-12 | 2013-09-12 | Device for separating biomass raw materials in wheat straws |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435719B (en) * | 2013-09-12 | 2015-09-02 | 河南科技大学 | The tripping device of biomass material and technique thereof in a kind of wheat stalk |
| CN104921277A (en) * | 2015-06-18 | 2015-09-23 | 成都衔石科技有限公司 | Preparation system of cellulose food material with precisely quantified straw powder |
| CN109944109A (en) * | 2019-04-11 | 2019-06-28 | 北京鑫泽清源植物秸杆技术有限公司 | Three element cleaning combined production device of stalk and its energy conservation and environmental protection construction |
| CN112211023A (en) * | 2020-01-08 | 2021-01-12 | 北京鑫泽清源植物秸杆技术有限公司 | Straw three-element method and device by hot pressing method |
-
2013
- 2013-09-12 CN CN201320565255.3U patent/CN203440272U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435719B (en) * | 2013-09-12 | 2015-09-02 | 河南科技大学 | The tripping device of biomass material and technique thereof in a kind of wheat stalk |
| CN104921277A (en) * | 2015-06-18 | 2015-09-23 | 成都衔石科技有限公司 | Preparation system of cellulose food material with precisely quantified straw powder |
| CN104921277B (en) * | 2015-06-18 | 2017-03-15 | 成都衔石科技有限公司 | The preparation system of stalk powder accurate quantification fiber type vegetarian diet material |
| CN109944109A (en) * | 2019-04-11 | 2019-06-28 | 北京鑫泽清源植物秸杆技术有限公司 | Three element cleaning combined production device of stalk and its energy conservation and environmental protection construction |
| CN112211023A (en) * | 2020-01-08 | 2021-01-12 | 北京鑫泽清源植物秸杆技术有限公司 | Straw three-element method and device by hot pressing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |