CN101724661B - Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws - Google Patents

Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws Download PDF

Info

Publication number
CN101724661B
CN101724661B CN2008101524653A CN200810152465A CN101724661B CN 101724661 B CN101724661 B CN 101724661B CN 2008101524653 A CN2008101524653 A CN 2008101524653A CN 200810152465 A CN200810152465 A CN 200810152465A CN 101724661 B CN101724661 B CN 101724661B
Authority
CN
China
Prior art keywords
distillation
solid
column plate
state
fermentation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2008101524653A
Other languages
Chinese (zh)
Other versions
CN101724661A (en
Inventor
许勤虎
王祥河
宋继田
安峰
李占勇
徐庆
魏呐
许晓菁
赵琼
武晓炜
晋明芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN SF-BIO INDUSTRIAL BIO-TECH Co Ltd
Tianjin University of Science and Technology
Original Assignee
TIANJIN SF-BIO INDUSTRIAL BIO-TECH Co Ltd
Tianjin University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN SF-BIO INDUSTRIAL BIO-TECH Co Ltd, Tianjin University of Science and Technology filed Critical TIANJIN SF-BIO INDUSTRIAL BIO-TECH Co Ltd
Priority to CN2008101524653A priority Critical patent/CN101724661B/en
Publication of CN101724661A publication Critical patent/CN101724661A/en
Application granted granted Critical
Publication of CN101724661B publication Critical patent/CN101724661B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/12Bioreactors or fermenters specially adapted for specific uses for producing fuels or solvents
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/16Solid state fermenters, e.g. for koji production
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M43/00Combinations of bioreactors or fermenters with other apparatus
    • C12M43/02Bioreactors or fermenters combined with devices for liquid fuel extraction; Biorefineries
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M45/00Means for pre-treatment of biological substances
    • C12M45/02Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The invention relates to a process and a system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws, wherein the process comprises a raw material pulverizing and preprocessing step, a strain adding step, a solid-state fermentation step and a solid-state distillation step; the solid-state fermentation step is continuously finished in a multilayer multisection solid-state continuous fermentation device, and the solid-state distillation step is continuously finished in a multilayer differential pressure type solid-state continuous distillation device, thereby radically overcoming the abuse that the past solid-state fermentation and distillation processes can not continuously produce, realizing continuous, mass and automated production and processing, greatly improving the production efficiency of preparing the fuel ethanol from the sorgo straws, and achieving the purposes for lowering the production cost, improving the yield and improving the economic benefit; an adopted continuous production system device is particularly suitable for industrialized large-scale production, thereby promoting the generalization and the application of a biological energy source technology.

Description

Ethanol and system are produced in sweet sorghum stalk solid-state continuous fermentation and distillation
Technical field
Ethanol and system are produced in technique and the system, particularly a kind of sweet sorghum stalk solid-state continuous fermentation and the distillation that the present invention relates to sweet sorghum stalk solid state fermentation distillation preparation ethanol.
Background technology
For accelerating the Energy restructuring paces, realize that the energy, environment, economic sustained coordination develop, the exploitation of renewable energy source all is devoted in countries in the world, to explore the new way of petroleum replacing equal energy source.At present, contain a large amount of sugar parts in the stalk of the green energy resource crops such as research discovery sweet sorghum and wait active substance, reach by fermentation distillation and can make alcohol fuel.Sweet sorghum stalk is produced ethanol mainly can adopt solid state fermentation, distillation and liquid state fermentation, distillation mode.Liquid state fermentation, distillation method are stalk to be squeezed gained juice ferment, distill preparation ethanol, and after it presses, the residual effective ingredient of stalk is more and juice is difficult for storing, alcohol yied is lower and form a large amount of waste water and cause environmental pollution; Solid state fermentation, distillation mode are that stalk is carried out fermenting and distilling with solid form after fragmentation, and in its raw material, utilization rate of active components is high, can significantly improve alcohol yied, more are fit to suitability for industrialized production than liquid state fermentation, distillation method.But, present stalk solid state fermentation, distillation method prepares ethanol and mostly imitates traditional solid state fermentation and distil process and equipment, it is the batch production mode, have small scale, the cycle is long, level of automation is low, work does that intensity is large, production cost is crossed high deficiency, hinders to a great extent the development of straws used for preparing fuel ethanol technology.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of basic sweet sorghum stalk solid-state continuous fermentation and distillation to produce ethanol, but it has the outstanding advantages of operate continuously, and the cycle is short, productive rate is high, and providing a kind of sweet sorghum stalk solid-state continuous fermentation and distillation to produce the ethanol system, it has advantages of, and treatment capacity is large, efficient is high, level of automation is high.
The present invention solves its technical problem and takes following technical scheme to realize:
Ethanol is produced in a kind of sweet sorghum stalk solid-state continuous fermentation and distillation, comprises that raw material pulverizing pre-treatment step, bacterial classification add step, solid state fermentation step and solid state distillation step, is characterized in that:
The solid state fermentation step is specially:
The raw material of pulverizing and add bacterial classification adopt is promoted e Foerderanlage be promoted to multilayer multi-stage type solid-state fermentation installation top, the distribution device of installing through this fermentation unit top evenly is scattered in it inner material-supporting device top and ferments and regularly fall to lower one deck material-supporting device, through the 1-10 continuous stirring of layer material-supporting device and fermentative processing, fermented total time 40-55 hour, rear material obtains fermenting;
The solid state distillation step is specially:
It is inner that the rear material that will ferment adopts the lifting e Foerderanlage to promote and be delivered to multistage differential pressure type solid continuous distillation device, complete successively material preheating, intensifying distillation and residual steaming three phases on upper column plate, middle column plate and lower column plate that material is installed in this water distilling apparatus inside, carry out steam in the intensifying distillation stage and escape and enter the condensing works condensation, make alcohol product.
And in described solid state distillation step, the operational condition of material pre-heating stage is: temperature: 80~100 ℃, and warm up time: 20~40min; The operational condition in material intensifying distillation stage is: temperature: 70~90 ℃, and distillation time: 30~50min; The operational condition in residual steaming stage of material is: temperature: 90~110 ℃, and distillation time: 20~40min.
And in described solid state distillation step, the intensifying distillation stage adopts steam jet heat pump with the material pre-heating stage of the supreme column plate of the part opposing steam flow of drawing top, and reflux ratio is 0.05~0.33.
The ethanol system is produced in a kind of sweet sorghum stalk solid-state continuous fermentation and distillation, comprises crushing rubber, mixed bacterium device, solid-state fermentation installation, solid state distillation device, steam-generating installation and condensing works, it is characterized in that:
Solid-state fermentation installation is multilayer, multi-stage solid state continuous fermentation apparatus, but be horizontally installed with the multilayer switched attenuator switched-mode material-supporting device that casing is divided into the multilayer fermentation chamber in the casing of this fermentation unit, be fixed with at every layer of material-supporting device upper surface equal interval a plurality of vertical baffles that every layer of proving room are divided into the multistage proving room, horizontal embedded scraper transporter and distribution device are installed in the casing top, and bottom half is installed drawing mechanism;
The solid state distillation device is multistage differential pressure type solid continuous distillation device, but in the tower body of this water distilling apparatus coaxial column plate on switched attenuator switched-mode, middle column plate and the lower column plate of being fixed with successively from top to bottom; Upper column plate and lower column plate are the sandwich-type column plate, and this sandwich-type column plate is made of upper strata orifice plate and lower floor's dividing plate, and the inlet pipe that passes into for steam is installed in the interlayer of orifice plate and dividing plate; Middle column plate is an individual layer orifice plate; Be fixed with feeding unit on the tower body above upper column plate; The escape pipe of discharging for steam is installed on the tower body between upper column plate and middle column plate; The tower body bottom is shaped with discharging bin;
Mixed bacterium device and one promotes e Foerderanlage and is connected, and promotes the e Foerderanlage the other end and is connected with the embedded scraper transporter of multilayer, multi-stage solid state continuous fermentation apparatus;
The drawing mechanism of multilayer, multi-stage solid state continuous fermentation apparatus bottom installation promotes e Foerderanlage with another and is connected, and the other end of this lifting e Foerderanlage is connected with the feeding unit of multistage differential pressure type solid continuous distillation device.
And, but the switched attenuator switched-mode material-supporting device of described multilayer, multi-stage solid state continuous fermentation apparatus is installed in the fixedly supporting board that is shaped with interval discharging perforate in casing by one and is slidably mounted on fixedly the supporting board bottom surface and is shaped with the drawable supporting board of the corresponding perforate of above-mentioned discharging perforate and consists of.
And fixedly supporting board is the fixedly supporting board that a spaced and parallel is fixedly mounted with the arc batten of epirelief, fixedly all axially is provided with blast pipe below the arc batten convex arc of supporting board in every layer of proving room, at the surperficial uniform ventilating pit that is shaped with of arc batten; The drawable supporting board is the drawable supporting board that a spaced and parallel is fixedly mounted with horizontal slats; Fixedly above supporting board, induced exhaust is installed all in every layer of proving room.
And, the distribution device of described multilayer, multi-stage solid state continuous fermentation apparatus is made of the scraper plate group that laterally is slidably mounted on the horizontal rectangular car frame in casing and is installed in this rectangle car frame bottom, this scraper plate group is made of the inclination scraper plate that many groups symmetry is fixedly mounted with, and distribution device is by the hydraulic oil cylinder driving that is installed in casing one side.
And, the escape pipe that described multistage differential pressure type solid continuous distillation device is discharged for steam is communicated with the import of condensing works and a steam jet heat pump simultaneously, the outlet of this steam jet heat pump is communicated to the top of upper column plate in tower body by an opposing steam flow pipe, and is positioned at an end mounting spray head of tower body at this return line.
And, but all be shaped with corresponding discharge port on the orifice plate of column plate and dividing plate under column plate on described switched attenuator switched-mode, equal coaxial mounted rotary type discharging switching motherboard below dividing plate discharge port position; But in described switched attenuator switched-mode, column plate also is shaped with discharge port, and coaxial installation rotary type discharging switching motherboard.
And, the axis place is equipped with a vertical stir shaft that is threaded onto column plate, middle column plate and place, lower column plate axle center in the tower body of multistage differential pressure type solid continuous distillation device, and all level is fixed with agitating vane on the stir shaft above upper column plate, middle column plate and lower column plate.
Advantage of the present invention and positively effect are:
1. the multilayer of this alcohol production system, multi-stage type solid-state fermentation installation inside is equivalent to a plurality of proving rooms, but realize the stirring processing by the automatic shutter of controlling the switch material-supporting device, but material descends on the switch material-supporting device in multilayer, multi-stage type solid-state fermentation installation from top to bottom successively, material can be scattered in the top layer material-supporting device continuously under fermentation unit top e Foerderanlage and distribution device effect, complete the fermentative processing of 48h after process multilayer material-supporting device from top to bottom, thereby effectively guarantee evenly reaching fully of material fermentation in enormous quantities.
2. but the multilayer differential pressure type solid water distilling apparatus of this alcohol production system is by its inner special switched attenuator switched-mode column plate of multilayer that arranges, complete preheating, intensifying distillation and residual steaming stage, can realize continous way solid state distillation complete processing fast and efficiently, and can improve yield of alcohol, thereby reduce costs.
3. the solid state fermentation step in this alcohol production system is in multilayer, complete continuously in multi-stage solid state continuous fermentation apparatus, the solid state distillation step is completed in multilayer differential pressure type solid continuous distillation device continuously, fundamentally overcome solid state fermentation in the past, distil process can not the quantity-produced drawback, realize continous way, in enormous quantities, automatic production processing, significantly improve the production efficiency of sweet sorghum straws used for preparing fuel ethanol, reduce production costs, improve output, the purpose of increasing economic efficiency, but the system and device that the continous way that it adopts is produced, be particularly suitable for large-scale industrialization production, thereby can promote the promotion and application of bioenergy technology.
Description of drawings
Fig. 1 is the composition schematic diagram of alcohol production of the present invention system;
Fig. 2 is alcohol production of the present invention system solid-state fermentation installation perspective view;
Fig. 3 is the three-dimensional structure for amplifying schematic diagram of alcohol production of the present invention system solid-state fermentation installation material-supporting device;
Fig. 4 is the three-dimensional structure for amplifying schematic diagram of alcohol production system's solid-state fermentation installation distribution device of the present invention;
Fig. 5 is alcohol production of the present invention system solid state distillation apparatus structure schematic diagram;
Fig. 6 is the A section enlarged diagram of Fig. 5;
Fig. 7 is that the B-B of Fig. 5 is to sectional view;
Fig. 8 is that the C-C of Fig. 5 is to sectional view (omit inlet pipe parts).
Embodiment
The invention will be further described below in conjunction with specific embodiment.Following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
For the clearer description alcohol production technique based on stalk solid continuous distillation and fermentation of the present invention, at first by reference to the accompanying drawings production system of the present invention is described in the present embodiment.
A kind of alcohol production system based on stalk solid-state continuous fermentation and distillation comprises crushing rubber 1, mixed bacterium device 2, solid-state fermentation installation 5, solid state distillation device 8, steam-generating installation 11 and condensing works 9.
Solid-state fermentation installation in this production system is multilayer, multi-stage solid state continuous fermentation apparatus, referring to Fig. 2-4.Rectangular box 16 upper levels at this fermentation unit are installed MS type embedded scraper transporters 4, at this embedded scraper transporter lower horizontal distribution device 13 that is slidably installed.This distribution device is made of the scraper plate group that laterally is slidably mounted on the horizontal rectangular car frame in casing and is installed in this rectangle car frame bottom, this scraper plate group is made of the inclination scraper plate 27 that many groups symmetry is fixedly mounted with, and distribution device is driven by the cylinder putter 28 that is installed in casing one side.But be horizontally installed with the multilayer switched attenuator switched-mode material-supporting device 15 that casing is divided into the multilayer fermentation chamber in the casing of this fermentation unit.But should switched attenuator switched-mode material-supporting device fixedly supporting board 23 and drawable supporting board 24 consist of by one, fixedly supporting board is the fixedly supporting board that a spaced and parallel is fixedly mounted with the arc batten 21 of epirelief, form interval discharging perforate 22 between the arc batten, at the surperficial uniform ventilating pit (not label) that is shaped with of arc batten; The drawable supporting board is the drawable supporting board that a spaced and parallel is fixedly mounted with horizontal slats, forms the discharge hole 25 at interval between each batten, and this drawable supporting board is driven by the oil cylinder 26 that is installed on wall box.Fixedly all axially be provided with blast pipe 18 below the arc batten convex arc of supporting board in every layer of proving room, fixedly above supporting board, induced exhaust 20 be installed all in every layer of proving room, control leavening temperature in casing by this ventilation system.
Be fixed with at every layer of material-supporting device upper surface equal interval a plurality of vertical baffles 17 that every layer of proving room are divided into the multistage proving room.The discharge bucket 19 belows installation drawing mechanisms that bottom half is fixedly mounted with, this drawing mechanism can adopt horizontal belt formula transfer roller 12.Cabinet wall on the first layer material-supporting device top is equipped with controlling level detector 14, and temperature sensor (not label) is installed all in each proving room, controlling level detector and temperature sensor all are connected with a controller, and controller is controlled the action of distribution device and material-supporting device.
Solid state distillation device in this production system is multistage differential pressure type solid continuous distillation device, referring to accompanying drawing 5-8.But coaxial column plate 31 on switched attenuator switched-mode, middle column plate 35 and the lower column plate 38 of being fixed with successively from top to bottom in the tower body 34 of this water distilling apparatus; Upper column plate and lower column plate are the sandwich-type column plate, and this sandwich-type column plate is made of upper strata orifice plate 41 and lower floor's dividing plate 42, and the inlet pipe 32 that passes into for steam is installed in the interlayer of orifice plate and dividing plate, and this steam inlet duct is connected with steam-generating installation.But all be shaped with the fan-shaped discharge port of corresponding symmetry (not label) on switched attenuator switched-mode on the orifice plate of column plate, lower column plate and dividing plate, equal rotary type discharging switching motherboard 43 of being driven by linkage assembly 45 of coaxial installation below dividing plate discharge port position, the driving lever 44 of linkage assembly stretch out the tower body outside.But in switched attenuator switched-mode, column plate is the orifice plate of an individual layer.But in switched attenuator switched-mode, column plate also is shaped with discharge port, and coaxial installation same structure rotary type discharging switching motherboard.Be fixed with feeding unit on the tower body above upper column plate, this feeding unit is feeding screw 7.The escape pipe 33 of discharging for steam is installed on the tower body between upper column plate and middle column plate.The tower body bottom is a taper discharging bin, and discharging bin is connected with spiral discharging device 10.The escape pipe that multistage differential pressure type solid continuous distillation device is discharged for steam is communicated with the import of condensing works and a steam jet heat pump 40 simultaneously, the outlet of this steam jet heat pump is communicated to the top of upper column plate in tower body by an opposing steam flow pipe 29, and is positioned at an end mounting spray head 30 of tower body at this return line.The axis place is equipped with a vertical stir shaft 37 that is threaded onto column plate, middle column plate and place, lower column plate axle center in the tower body of multistage differential pressure type solid continuous distillation device, this stir shaft is by motor 39 drivings that are installed in the tower body bottom, and all level is fixed with agitating vane 36 on the stir shaft above upper column plate, middle column plate and lower column plate.And the agitating vane of installing on every layer of column plate is two-layer, and the lower stirring paddle leaf can guarantee the even blanking of material, and upper agitating vane can guarantee material bed even thickness, thereby guarantees that material is heated evenly.
Mixed bacterium device is connected 3 with a lifting e Foerderanlage, and this lifting gear is chapelet, and the MS type embedded scraper transporter that install on chapelet top and multilayer, multi-stage solid state continuous fermentation apparatus top is connected.The belt type conveyer of multilayer, multi-stage solid state continuous fermentation apparatus is connected with another chapelet 6 bottoms, and the upper end of this chapelet is connected with the feeding screw that install on multistage differential pressure type solid continuous distillation device tower body top.
Alcohol production of the present invention system can realize continuous production, and fast, efficient, and structure is comparatively simple, and manufacturing cost is low, and energy consumption is low, is suitable for applying.
A kind of alcohol production technique based on stalk solid-state continuous fermentation and distillation comprises the following steps:
(1). raw material pulverizing pre-treatment step: as raw material, it is dropped into and be crushed into the long thread disintegrating slag of 1-5cm in crushing rubber with the sweet sorghum stalk of maturation.
(2). bacterial classification adds step: the raw material after pulverizing is inoculated in mixed bacterium device, and bacterial classification adopts the ethanol fermentation bacterium, and addition is: the 2-10% of fermentation material.
(3). solid state fermentation step: adopt chapelet to be promoted to multilayer, multi-stage type solid-state fermentation installation top the raw material of pulverizing and add bacterial classification, carry by MS type embedded scraper transporter, and above evenly being scattered in it box house the first layer material-supporting device, distribution device ferments, fall to lower one deck material-supporting device by the timing control raw material of opening of controlling material-supporting device, through the 1-10 continuous stirring of layer material-supporting device and fermentative processing, fermented total time 40-55 hour, and made evenly the rear material of fully fermentation.
(4). the solid state distillation step: it is inner that the rear material that will ferment adopts the lifting e Foerderanlage to promote and be delivered to multistage differential pressure type solid continuous distillation device, complete successively material preheating, intensifying distillation and residual steaming three phases on upper column plate, middle column plate and lower column plate that material is installed in the tower body inside of this water distilling apparatus, carry out steam in the intensifying distillation stage and escape and enter the condensing works condensation, make alcohol product.
The operational condition of material pre-heating stage is: temperature: 90 ℃, and warm up time: 30min, pre-heating stage can heat the material that initially enters in tower body, temperature of charge is increased to temperature required by room temperature, thereby shortens the distillation procedure required time.The operational condition in material intensifying distillation stage is: temperature: 80 ℃, distillation time: 40min, the material intensifying distillation stage utilizes the residual steam that steams the section rising to concentrate heating to material, and the steam that evaporates is led to condenser, in this stage, the vapour concentration on column plate top is 40%~60%.The operational condition in residual steaming stage of material is: temperature: 100 ℃, and distillation time: 30min.In the material that the residual steaming stage falls distilling period, residual ethanol continues to steam, and reaches the effect of auxiliary distillation, makes the ethanol content in material reach minimum.By operational conditions such as preheating section, distilling period and the set different temperature of residual steaming section, times, realize the still-process operate continuously, therefore can fast and efficiently effective ingredient evaporation in material be gone out.
Adopt steam jet heat pump with the material pre-heating stage above the supreme column plate of part opposing steam flow of drawing in the intensifying distillation stage, the per-cent of backflow steam is 0.3.Make the material concentration of contained effective constituent in the first layer material reach best concentration gradient, thereby effectively guarantee the stability of distillation final product concentration, and then guarantee the continuity of distillation.
This alcohol production technique fundamentally overcomes in the past solid state fermentation, distil process can not the quantity-produced drawback, realizes continous way, in enormous quantities, automatic production processing, significantly improves the production efficiency that sweet sorghum stalk prepares alcohol fuel, reduces production costs.

Claims (10)

1. ethanol is produced in a sweet sorghum stalk solid-state continuous fermentation and distillation, comprises that raw material pulverizing pre-treatment step, bacterial classification add step, solid state fermentation step and solid state distillation step, is characterized in that:
The solid state fermentation step is specially:
The raw material of pulverizing and add bacterial classification adopt is promoted e Foerderanlage be promoted to multilayer multi-stage type solid-state fermentation installation top, the distribution device of installing through this fermentation unit top evenly is scattered in it inner material-supporting device top and ferments and regularly fall to lower one deck material-supporting device, through the 1-10 continuous stirring of layer material-supporting device and fermentative processing, fermented total time 40-55 hour, rear material obtains fermenting;
The solid state distillation step is specially:
It is inner that the rear material that will ferment adopts the lifting e Foerderanlage to promote and be delivered to multistage differential pressure type solid continuous distillation device, complete successively material preheating, intensifying distillation and residual steaming three phases on upper column plate, middle column plate and lower column plate that material is installed in this water distilling apparatus inside, carry out steam in the intensifying distillation stage and escape and enter the condensing works condensation, make alcohol product.
2. ethanol is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 1 and distillation, and it is characterized in that: in described solid state distillation step, the operational condition of material pre-heating stage is: temperature: 80~100 ℃, and warm up time: 20~40min; The operational condition in material intensifying distillation stage is: temperature: 70~90 ℃, and distillation time: 30~50min; The operational condition in residual steaming stage of material is: temperature: 90~110 ℃, and distillation time: 20~40min.
3. ethanol is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 1 and distillation, it is characterized in that: in described solid state distillation step, the intensifying distillation stage adopts steam jet heat pump with the material pre-heating stage of the supreme column plate of the part opposing steam flow of drawing top, and reflux ratio is 0.05~0.33.
4. the ethanol system is produced in a sweet sorghum stalk solid-state continuous fermentation and distillation, comprises crushing rubber, mixed bacterium device, solid-state fermentation installation, solid state distillation device, steam-generating installation and condensing works, it is characterized in that:
Solid-state fermentation installation is multilayer, multi-stage solid state continuous fermentation apparatus, but be horizontally installed with the multilayer switched attenuator switched-mode material-supporting device that casing is divided into the multilayer fermentation chamber in the casing of this fermentation unit, be fixed with at every layer of material-supporting device upper surface equal interval a plurality of vertical baffles that every layer of proving room are divided into the multistage proving room, horizontal embedded scraper transporter and distribution device are installed in the casing top, and bottom half is installed drawing mechanism;
The solid state distillation device is multistage differential pressure type solid continuous distillation device, but in the tower body of this water distilling apparatus coaxial column plate on switched attenuator switched-mode, middle column plate and the lower column plate of being fixed with successively from top to bottom; Upper column plate and lower column plate are the sandwich-type column plate, and this sandwich-type column plate is made of upper strata orifice plate and lower floor's dividing plate, and the inlet pipe that passes into for steam is installed in the interlayer of orifice plate and dividing plate; Middle column plate is an individual layer orifice plate; Be fixed with feeding unit on the tower body above upper column plate; The escape pipe of discharging for steam is installed on the tower body between upper column plate and middle column plate; The tower body bottom is shaped with discharging bin;
Mixed bacterium device and one promotes e Foerderanlage and is connected, and promotes the e Foerderanlage the other end and is connected with the embedded scraper transporter of multilayer, multi-stage solid state continuous fermentation apparatus;
The drawing mechanism of multilayer, multi-stage solid state continuous fermentation apparatus bottom installation promotes e Foerderanlage with another and is connected, and the other end of this lifting e Foerderanlage is connected with the feeding unit of multistage differential pressure type solid continuous distillation device.
5. the ethanol system is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 4 and distillation, it is characterized in that: but the switched attenuator switched-mode material-supporting device of described multilayer, multi-stage solid state continuous fermentation apparatus is installed in the fixedly supporting board that is shaped with interval discharging perforate in casing by one and is slidably mounted on fixedly the supporting board bottom surface and is shaped with the drawable supporting board of the corresponding perforate of above-mentioned discharging perforate and consists of.
6. the ethanol system is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 5 and distillation, it is characterized in that: fixedly supporting board is the fixedly supporting board that a spaced and parallel is fixedly mounted with the arc batten of epirelief, fixedly all axially be provided with blast pipe below the arc batten convex arc of supporting board in every layer of proving room, at the surperficial uniform ventilating pit that is shaped with of arc batten; The drawable supporting board is the drawable supporting board that a spaced and parallel is fixedly mounted with horizontal slats; Fixedly above supporting board, induced exhaust is installed all in every layer of proving room.
7. the ethanol system is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 4 and distillation, it is characterized in that: the distribution device of described multilayer, multi-stage solid state continuous fermentation apparatus is made of the scraper plate group that laterally is slidably mounted on the horizontal rectangular car frame in casing and is installed in this rectangle car frame bottom, this scraper plate group is made of the inclination scraper plate that many groups symmetry is fixedly mounted with, and distribution device is by the hydraulic oil cylinder driving that is installed in casing one side.
8. the ethanol system is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 4 and distillation, it is characterized in that: the escape pipe that described multistage differential pressure type solid continuous distillation device is discharged for steam is communicated with the import of condensing works and a steam jet heat pump simultaneously, the outlet of this steam jet heat pump is communicated to the top of upper column plate in tower body by an opposing steam flow pipe, and is positioned at an end mounting spray head of tower body at this return line.
9. the ethanol system is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 4 and distillation, it is characterized in that: but all be shaped with corresponding discharge port on the orifice plate of column plate and dividing plate under column plate on described switched attenuator switched-mode, equal coaxial mounted rotary type discharging switching motherboard below dividing plate discharge port position; But in described switched attenuator switched-mode, column plate also is shaped with discharge port, and coaxial installation rotary type discharging switching motherboard.
10. the ethanol system is produced in sweet sorghum stalk solid-state continuous fermentation according to claim 4 and distillation, it is characterized in that: the axis place is equipped with a vertical stir shaft that is threaded onto column plate, middle column plate and place, lower column plate axle center in the tower body of multistage differential pressure type solid continuous distillation device, and all level is fixed with agitating vane on the stir shaft above upper column plate, middle column plate and lower column plate.
CN2008101524653A 2008-10-24 2008-10-24 Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws Active CN101724661B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101524653A CN101724661B (en) 2008-10-24 2008-10-24 Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101524653A CN101724661B (en) 2008-10-24 2008-10-24 Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws

Publications (2)

Publication Number Publication Date
CN101724661A CN101724661A (en) 2010-06-09
CN101724661B true CN101724661B (en) 2013-06-26

Family

ID=42446210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101524653A Active CN101724661B (en) 2008-10-24 2008-10-24 Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws

Country Status (1)

Country Link
CN (1) CN101724661B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102094045B (en) * 2010-11-18 2013-10-16 清华大学 Process and device for continuously separating ethanol from solid state fermentation materials
CN103966087B (en) * 2013-04-03 2016-01-20 浙江农林大学 A kind of biogas generation systems with whipping appts
CN103509713B (en) * 2013-08-07 2014-12-17 清华大学 Continuous solid separating device and technology for preparing fuel ethanol
CN103509712B (en) * 2013-08-07 2015-11-18 清华大学 A kind of device and technique possessing the continuous solid-state fermentation ethanol production of robot control system(RCS)
CN103710257B (en) * 2013-12-31 2015-06-17 肥城金塔机械有限公司 Method and apparatus for continuous preparation of alcohol from solid phase raw material
CN107651820B (en) * 2017-09-22 2021-03-16 陕西理福环保产业有限公司 Container formula drying fermentation device
CN109433795A (en) * 2018-11-06 2019-03-08 济源市众帮环境保洁有限公司 A kind of organic garbage treatment device systems
CN110129379A (en) * 2019-05-24 2019-08-16 刘同林 System and method containing sugared stalk continuous solid-state fermentation solid state distillation ethanol production

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1131498A (en) * 1995-03-22 1996-09-25 中岛茂次 Stereoscopic multi-layer multi-purpose fermentation device
CN2535414Y (en) * 2002-04-12 2003-02-12 中国农业大学 Straw solid state fermenting alcoho reactor
CN1699583A (en) * 2005-06-20 2005-11-23 郎咏梅 Process for preparing ethanol by solid fermentation and distillation of sweet sorghum stalks
CN101085995A (en) * 2007-06-08 2007-12-12 清华大学 Method and system for separating ethanol based on sweet sorghum stalk solid ferment material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1131498A (en) * 1995-03-22 1996-09-25 中岛茂次 Stereoscopic multi-layer multi-purpose fermentation device
CN2535414Y (en) * 2002-04-12 2003-02-12 中国农业大学 Straw solid state fermenting alcoho reactor
CN1699583A (en) * 2005-06-20 2005-11-23 郎咏梅 Process for preparing ethanol by solid fermentation and distillation of sweet sorghum stalks
CN101085995A (en) * 2007-06-08 2007-12-12 清华大学 Method and system for separating ethanol based on sweet sorghum stalk solid ferment material

Also Published As

Publication number Publication date
CN101724661A (en) 2010-06-09

Similar Documents

Publication Publication Date Title
CN101724661B (en) Process and system for producing ethanol through solid-state continuous fermentation and distillation of sorgo straws
CN102517199B (en) Multi-cycle stirring egg-shaped anaerobic fermentation system
CN103509713B (en) Continuous solid separating device and technology for preparing fuel ethanol
CN102441557B (en) Aerobic-anaerobic combined solid state fermentation device and fermentation method thereof
CN101041780A (en) Process and device for preparing gas by using carbonization decomposition of biomass
CN203451505U (en) Full-automatic white spirit brewing equipment
CN201292368Y (en) Multi-layer, multi-stage solid state continuous fermentation apparatus
CN101033476A (en) Method and system for preparing ethanol based on sweet broomcorn straw solid fermentation
CN203768195U (en) Bio-drying and dehumidification heat pump coupled flap tower type sludge drying system
CN102816690A (en) Spiral self-stirring dry fermenting device and method
CN104357315A (en) Vertical light wine solid-state continuous fermentation equipment and process
CN108627005B (en) Solar heat collection type garbage drying and screening system and using method thereof
CN107266139A (en) Kitchen garbage system fertilizer machine and fertilizer manufacture
CN101721831B (en) Differential pressure type solid continuous distillation process
CN101886036B (en) Full-ecological, intelligent and multifunctional environmental protection methane generator
CN202322659U (en) High-temperature aerobic fermentation device
CN108147858A (en) A kind of stage air blast composting device
CN205576158U (en) Two stage of solid -liquid anaerobic fermentation device
CN208055226U (en) A kind of stage air blast composting device
CN102311282B (en) High-temperature aerobic fermentation method and device thereof
CN102094045B (en) Process and device for continuously separating ethanol from solid state fermentation materials
CN201437052U (en) Desolventizing device
CN216837330U (en) Novel anaerobic reactor
CN201762225U (en) Full-ecological intelligent and multifunctional environment-friendly biogas generator
CN214244456U (en) Fermentation device for kitchen waste processor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant