CN201567300U - Continuous natural cellulose raw material acid hydrolysis device - Google Patents
Continuous natural cellulose raw material acid hydrolysis device Download PDFInfo
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- CN201567300U CN201567300U CN2009201091055U CN200920109105U CN201567300U CN 201567300 U CN201567300 U CN 201567300U CN 2009201091055 U CN2009201091055 U CN 2009201091055U CN 200920109105 U CN200920109105 U CN 200920109105U CN 201567300 U CN201567300 U CN 201567300U
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Abstract
The utility model provides a continuous natural cellulose raw material acid hydrolysis device. The device comprises a mechanical bulking machine (5) provided with a discharge opening, a feed opening and a steam inlet, an expansion tank (2) provided with a steam outlet, a feed opening, a discharge opening as well as a diluted acid spray jet and a mechanical multi-stage spiral transverse pipe (7) provided with a feed opening, a discharge opening and a steam inlet; the discharge opening of the mechanical bulking machine (5) is connected with the feed opening of the expansion tank (2); the discharge opening of the expansion tank (2) is connected with the feed opening of the mechanical multi-stage spiral transverse pipe (7); and the steam outlet of the expansion tank (2) is connected with the steam inlet of the mechanical multi-stage spiral transverse pipe (7). The device has the advantages of simple structure, sufficient hydrolysis, high yield, good quality of the feed liquid, low steam consumption, high utilization ratio of equipment and automatic and continuous large-scale industrial production.
Description
Technical field
The utility model relates to biomass processes and utilization (biochemical industry) equipment, specifically, relates to a kind of equipment of natural cellulosic feedstocks processing and utilization.
Background technology
The world today faces crisis in food and energy dilemma two big outstanding problems simultaneously.People begin sight invested agricultural wastes such as agricultural crop straw, corn cob, its not only alternative grain carries out biochemical industry and produces Xylitol, multiple organic acid, amino acid and their derivative etc., also can produce clean energy such as alcohol fuel, butanols and alternative part petroleum resources by means such as biochemical industries and carry out the production of chemical, or the like.
But components such as the hemicellulose in the natural cellulosic feedstocks, Mierocrystalline cellulose, xylogen mutually combine tightr, the degree of crystallinity height, to effectively utilize with the biochemical industry method, must at first carry out pre-treatment, present pretreatment process or effect are relatively poor, energy consumption is higher, otherwise invest huge, plant factor is low, labour productivity is low etc.
The utility model content
The purpose of this utility model is the defective at above-mentioned prior art, the continuous acid hydrolysis device of a kind of natural cellulosic feedstocks that provides, this apparatus structure is simple, the abundant yield height of hydrolysis, the feed liquid quality better, safe and reliable, energy consumption is low, easy to operate.
Natural cellulosic feedstocks continuous acidolysis device of the present utility model, it comprise have discharge port, the mechanical bulking machine of opening for feed and steam inlet, expansion drum with vapour outlet, opening for feed and discharge port and band diluted acid spray, and has a multistage transverse tube of mechanical spiral of opening for feed, discharge port and steam inlet, the discharge port of described mechanical swelling machine is connected with the opening for feed of described expansion drum, the discharge port of described expansion drum links to each other with the opening for feed of the multistage transverse tube of described mechanical spiral, and described expansion drum vapour outlet links to each other with the steam inlet of the multistage transverse tube of described mechanical spiral.
Wherein, described expansion drum vapour outlet links to each other with the vapour pipe import, common again and described machine.
The multistage transverse tube of described mechanical spiral is a 3-6 level transverse tube.Natural cellulosic feedstocks described in the utility model does not comprise cereals for pulverizing maize straw, bagasse, corn cob or the sweet sorghum straw slag etc. of (or chopping).
Described diluted acid is the dilute sulphuric acid of 0.8-1%.
The multistage transverse tube of described mechanical spiral is used for natural cellulosic feedstocks to be handled as the acid hydrolysis of the maize straw of pulverizing (or chopping), bagasse, corn cob, sweet sorghum straw slag etc., but not other play compression, stirring, conveying effect as the processing of the fibrous material of boiling etc.
Through the acid hydrolysis of continuous acidolysis device of the present utility model, maize straw, bagasse, corn cob, sweet sorghum straw etc. can be produced wood sugar, Xylitol and their derivative.Its acidolysis slag (further handle or do not handle) carries out enzymolysis (or and rare wood sugar liquid enzymolysis) together Closed Circulation in Sugar Production organic acid, amino acid, ethanol, butanols and other alcohols.
Continuous acidolysis device of the present utility model adopts the acid hydrolysis of expanded back, and the fast and objectionable impurities of its hydrolysis generates few, feed liquid quality better, the abundant yield height of hydrolysis.Heat pump vapor recovery energy consumption is low, mechanical screw extrusion the gap of most storerooms, improved unit equipment volumetrical loading amount, realized continuous operation.And the utility model continuous acidolysis apparatus structure is simple, and hydrolysis is abundant, the yield height, and the feed liquid quality better, the plant factor height, safe and reliable, energy consumption is low, and is easy to operate, can carry out automatization, serialization large-scale commercial production.
Description of drawings
Fig. 1 is the structural representation of natural cellulosic feedstocks continuous acidolysis device described in the utility model.
Among the figure:
1 diluted acid charging valve, 2 expansion drums, 3 heat pumps, 4 steam admission valves
The multistage transverse tube of 5 mechanical bulking machine 6 bulking machine admission valves, 7 mechanical spirals
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, natural cellulosic feedstocks continuous acidolysis device of the present utility model, comprise and have discharge port, the mechanical bulking machine 5 of opening for feed and steam inlet, has vapour outlet, the expansion drum 2 of opening for feed and discharge port and band diluted acid spray, and has an opening for feed, the multistage transverse tube 7 of the mechanical spiral of discharge port and steam inlet (being 4 grades of transverse tubes), the discharge port of mechanical swelling machine 5 is connected with the opening for feed of expansion drum 2, the discharge port of expansion drum 2 links to each other with the opening for feed of the multistage transverse tube 7 of mechanical spiral, expansion drum 2 vapour outlets link to each other with the heat pump 3 that vapor recovery is utilized again, wherein enter the steam inlet of the multistage transverse tube 7 of mechanical spiral after steam and the living vapor mixing by steam valve 4 controls.
Wherein, the quantity of the multistage transverse tube 7 of mechanical spiral can be adjusted at 3-6 level transverse tube.
The used bulking machine of the utility model is selected the existing bulking equipment of feedstuff industry for use, the continuously cooking multiple coil transverse tube that the multistage transverse tube of mechanical spiral selects for use present paper industry generally to adopt, and heat pump is selected the heat pump that is used for the heating power concentration and evaporation in biochemical industry for use.
The operating process of its continuous acidolysis device is as follows: open bulking machine admission valve 6, the raw material of chopping or pulverizing is dropped into bulking machine 5 through cleaning (or not cleaning) from opening for feed, material enters expansion drum 2 after heating, push, shear, rub formation certain temperature and pressure under the acting in conjunction of steam and mechanical force, sudden pressure reduction is damaged the cell walls of raw material.Open diluted acid charging valve 1 this moment, makes diluted acid and material thorough mixing in the multistage transverse tube 7 of the continuous acid hydrolysis of mechanical spiral carry out acid hydrolysis.The multistage transverse tube 7 of the machinery continuous acid hydrolysis of spiral has temperature adjustment, compression, stirring and conveying function concurrently, and revolution speed of screw (being the material acid hydrolysis time) also can be arranged to adjustable.Material after the acid hydrolysis is discharged automatically from discharge port.Bulking machine 5 enters the steam of expansion drum 2 treated (in the expansion drum or jar outer) back and reuses after by heat pump 3 compressions, enters the steam port of the multistage transverse tube 7 of the continuous acid hydrolysis of mechanical spiral.
Application examples
1, enters continuous acidolysis device of the present utility model after maize straw coarse breaking, chopping, the cleaning, carry out continuous acidolysis, as shown in Figure 1.Feed dilute sulphuric acid 0.8-1%, solid-to-liquid ratio 1: 3.5, material stopped (acid hydrolysis) time 1-2 hour under the 110-130 ℃ of condition, and material acid hydrolysis rate is greater than 90%.Get the mixing solutions of diluted acid and wood sugar etc. after the solid-liquid separation, solution can be produced wood sugar, Xylitol etc. through disacidify, purification.Material is transferred the dilute sulphuric acid of 0.8-1% in expansion drum after bulking machine is expanded, keep in the multistage transverse tube of the continuous acid hydrolysis of mechanical spiral under 110-130 ℃ the condition, and boiling 1-2 hour discharging is carried out obtaining wood sugar liquid after the solid-liquid separation.
2, handle through above-mentioned acidolysis after, with after the solid-liquid separation the acidolysis slag with solution acid hydrolysis (reduce water consumption and improve sugared concentration) the sugaring fermentative production of ethanol of disacidify, purification, enzymatic hydrolyzation is greater than 85%, the sugar alcohol transformation efficiency is greater than 80%.
3, the acidolysis slag enzymic hydrolysis that gets after the solid-liquid separation is got the liquid glucose fermentation production of citric acid, glucose acid invert ratio is greater than 85%.
4, the acidolysis slag that gets after the solid-liquid separation is removed xylogen and residual half assorted fiber etc. with the boiling of 3-5%NaOH solution, lactic acid is produced in the hydrolysis of gained cellulase, and glucose acid invert ratio is greater than 92%.
In sum, after maize straw, bagasse, corn cob, sweet sorghum straw etc. are handled through continuous acidolysis device of the present utility model, because its hydrolysis is abundant, the yield height, the feed liquid quality better, therefore, the material enzymatic hydrolyzation height after the acidolysis, conversion rate of products height.
Though, above with a general description of the specific embodiments the utility model having been done detailed description, on the utility model basis, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements on the basis of not departing from the utility model spirit all belong to the claimed scope of the utility model.
Claims (3)
1. natural cellulosic feedstocks continuous acidolysis device, it is characterized in that, it comprises having discharge port, the mechanical bulking machine (5) of opening for feed and steam inlet, has vapour outlet, the expansion drum (2) of opening for feed and discharge port and band diluted acid spray, and has an opening for feed, the multistage transverse tube of mechanical spiral (7) of discharge port and steam inlet, the discharge port of described mechanical swelling machine (5) is connected with the opening for feed of described expansion drum (2), the discharge port of described expansion drum (2) links to each other with the opening for feed of the multistage transverse tube of described mechanical spiral (7), and described expansion drum (2) vapour outlet links to each other with the steam inlet of the multistage transverse tube of described mechanical spiral (7).
2. according to the described natural cellulosic feedstocks continuous acidolysis of claim 1 device, it is characterized in that described expansion drum (2) vapour outlet links to each other with the vapour pipe import, link to each other with the steam inlet of the multistage transverse tube of described mechanical spiral (7) jointly again.
3. according to claim 1 or 2 described natural cellulosic feedstocks continuous acidolysis devices, it is characterized in that the multistage transverse tube of described mechanical spiral is a 3-6 level transverse tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091055U CN201567300U (en) | 2009-06-12 | 2009-06-12 | Continuous natural cellulose raw material acid hydrolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091055U CN201567300U (en) | 2009-06-12 | 2009-06-12 | Continuous natural cellulose raw material acid hydrolysis device |
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| CN201567300U true CN201567300U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201091055U Expired - Lifetime CN201567300U (en) | 2009-06-12 | 2009-06-12 | Continuous natural cellulose raw material acid hydrolysis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045765A (en) * | 2011-10-11 | 2013-04-17 | 济南圣泉集团股份有限公司 | Acidolysis processing method for improving comprehensive utilization of lignocellulose biomass |
| CN103529021A (en) * | 2012-07-03 | 2014-01-22 | 山东省科学院生物研究所 | Quick analyzing method of total sugar |
-
2009
- 2009-06-12 CN CN2009201091055U patent/CN201567300U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045765A (en) * | 2011-10-11 | 2013-04-17 | 济南圣泉集团股份有限公司 | Acidolysis processing method for improving comprehensive utilization of lignocellulose biomass |
| CN103045765B (en) * | 2011-10-11 | 2014-11-19 | 济南圣泉集团股份有限公司 | Acidolysis processing method for improving comprehensive utilization of lignocellulose biomass |
| CN103529021A (en) * | 2012-07-03 | 2014-01-22 | 山东省科学院生物研究所 | Quick analyzing method of total sugar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |