CN102321520A - Module coupling biomass microwave dry or semidry pretreatment reactor - Google Patents

Module coupling biomass microwave dry or semidry pretreatment reactor Download PDF

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Publication number
CN102321520A
CN102321520A CN201110163346A CN201110163346A CN102321520A CN 102321520 A CN102321520 A CN 102321520A CN 201110163346 A CN201110163346 A CN 201110163346A CN 201110163346 A CN201110163346 A CN 201110163346A CN 102321520 A CN102321520 A CN 102321520A
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conveying belt
microwave
resonator cavity
pretreatment
spiral
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Granted
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CN201110163346A
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CN102321520B (en
Inventor
徐建
李宏强
彭华栋
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Institute of Process Engineering of CAS
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Institute of Process Engineering of CAS
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    • 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
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02Stirrer or mobile mixing elements
    • C12M27/06Stirrer or mobile mixing elements with horizontal or inclined stirrer shaft or axis
    • 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
    • C12M33/00Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/20Ribbons
    • 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
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/34Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas

Abstract

The invention discloses a module coupling biomass microwave dry or semidry pretreatment reactor, which structurally comprises a material continuous input system, a material humidity regulating system, a microwave treatment system and a material output system after pretreatment. In the invention, a material is continuously conveyed through a spiral material stirrer and is continuously regulated in a required humidity range through the material humidity regulating system; moisture is uniformly distributed; and the material after humidity control is subjected to wall breaking treatment through early preheating and back-end high-power microwave in the microwave treatment system and is exported through the material output system, so that continuous pretreatment of biomass is realized. The system is of module coupling; and a plurality of systems can be connected in parallel for use to increase treatment speed and treatment capacity and can also be connected in series for use to meet the special pretreatment requirement of some biomasses. Through the reactor, continuous pretreatment of the biomass under normal pressure is realized; the equipment investment is low; the energy consumption is low; the speed is high; and the pretreatment cost is greatly reduced.

Description

Module manifold type biomass microwave dry method or semidrying pretreatment reaction device
Technical field
The invention belongs to biological chemical field, particularly a kind of modular bio matter dry microwave or semidrying pretreatment reaction device.
Background technology
Along with the exhaustion day by day of petrochemical industry resource, development of human society will inevitably will transform to renewable resources from the petrochemical industry resource for the demand of the energy and resource.Biomass are renewable resourcess, and output is huge on earth for it, if can well utilize, might satisfy human a big chunk demand to the resource and the energy.Therefore the importance of biorefinery highlights day by day, and a pre-treatment that key problem is exactly biomass of biorefinery, biomass material, especially lignocellulosic material, and only obtaining just maybe be by cost-effective utilization after the appropriate pre-treatment.At present, the pretreatment process of existing various biomass and corresponding pretreatment reaction device, but these methods all have an identical problem with reactor drum, and the cost that is exactly processing is higher, when adopting these technology, the utilization of biomass is often lost more than gain.Therefore also need further exploiting economy pretreatment process and special-purpose reactor drum efficiently.
Utilize microwave to realize that the continuous pre-treatment of biomass possibly be the means of an efficient energy-saving.The patent No. is that the patent of ZL02143336.4 discloses a kind of microwave continuous heating unit; This device is used for the drying of ceramic-like product; This invention utilizes transport tape to realize being back to back of material, simultaneously, uses the L bracket that is fixed on the transport tape to be used to prevent the leakage of microwave.This device is inappropriate for the processing of biomass class raw material.Application number is that 200710090845.4 patent of invention discloses a kind of continuous microwave heating apparatus, and this device makes single microwave source can heat a plurality of positions mainly through the design of microwave delivery device, can reduce space and manufacturing cost that system occupies.Such device is applicable to the processing and manufacturing of food.
Summary of the invention
The application number that [goal of the invention] the objective of the invention is to propose for the contriver is previous is that 201110154426.9 patent of invention " method of dry microwave or semidrying preprocessing biomass " provides a kind of special-purpose pretreatment reaction device; Use this reactor drum to match with it, the original pretreatment process that proposes of better implement.
It is big that [design of the present invention] existing pretreatment mode generally has energy consumption, the problem that cost is high.In order to address this problem, the method for dry microwave or semidrying preprocessing biomass has been proposed, the ultimate principle of this method is; Suitable at material moisture, and under the equally distributed situation, first preheating material; Superpower heating then makes in the raw material moisture expansion of gasifying fast like this, and then the quick-fried structure of the vapour in the raw material is burst; Destroy the internal structure of biomass, improve the porosity of raw material, increase the degradability of raw material.In order to reach such purpose, in the absence of specific equipment, at first need regulate the moisture of raw material; Carry out preheating then, carry out the superpower heating then, though so also can achieve the goal; But need between different equipment, move material, production efficiency is not high.In order to address this problem, can the method that equipment is integrated be passed through in moisture adjustment and the preheating and three different processes of superpower heating of material, combine, thereby increase pretreated efficient.
[technical scheme of the present invention] essential structure of the present invention is following:
This reactor drum is by forming with lower component: drive-motor (1); Speed reduction unit (2); Feeding warehouse (3); Tank (4); Control manifold solenoid valve (5); MCGS touch-screen (6); Housing (7); Magnetron (8); Infrared temperature sensor (9); Conveying belt motion-work wheel (11); Conveying belt drive-motor (12); Resonator cavity (13); Conveying belt follow-up pulley (14); Microwave reflection plate (15); Spiral material whisking appliance (16); Support (17); Conveying belt (18); Waveguide (19); Sleeve (20) is formed, and drive-motor (1) drives spiral material whisking appliance (16) through speed reduction unit (2) and rotates, after material gets into spiral material whisking appliance (16) from feeding warehouse (3); Needs according to the water cut adjusting; How much what the water cut that a certain amount of tap water of input is regulated material from tank (4), moisture added is controlled by control manifold solenoid valve (5), and material is from the end output of spiral material whisking appliance (16); Fall on the conveying belt (18); Conveying belt (18) is driven by conveying belt motion-work wheel (11), and except motion-work wheel also disposes conveying belt follow-up pulley (14), both play a supportive role to conveying belt (18); The conveying belt of erecting (18) passes from the resonator cavity (13) of both ends open; Resonator cavity (13) top is equipped with magnetron (8), is used for the preheating and the superpower heating of material, and the principle of magnetron configuration is that magnetron can be heated to required temperature with material in the time that material passes through; Resonator cavity (13) top also is equipped with infrared temperature sensor (9) and is used to monitor the material temperature variation; The import and the exit that get into resonator cavity (13) at conveying belt are equipped with the leakage that microwave reflection plate (15) is used to prevent microwave, and the transfer rate of the monitoring of the adjusting of the adjusting of moisture and microwave and temperature and material is controlled by configuration software in the treating processes, and configuration software is selected the embedded configuration software of MCGS touch-screen (6) for use.
The present invention has following characteristics and advantage:
1. simple in structure, in conjunction with compact, no pressurized vessel, equipment manufacturing cost is low;
2. can operate continuously, production efficiency is high;
3. the employing modular organization is convenient to the technology adjustment, applicable to the processing of multiple biomass material.
Description of drawings
Fig. 1 modular bio matter dry microwave or semidrying pretreatment reaction device;
Fig. 2 modular bio matter dry microwave or semidrying pretreatment reaction device (series connection of two modules).
1, drive-motor; 2, speed reduction unit; 3, feeding warehouse; 4, tank; 5, the control manifold solenoid valve; 6, the MCGS touch-screen; 7, housing; 8, magnetron; 9, infrared temperature sensor; 10, material; 11, the conveying belt motion-work wheel; 12, the conveying belt drive-motor; 13, resonator cavity; 14, the conveying belt follow-up pulley; 15, the microwave reflection plate; 16, the spiral material whisking appliance; 17, support; 18, conveying belt; 19, waveguide; 20, sleeve.
Embodiment
Through embodiment the present invention is further specified below.
Embodiment 1
Per hour handle the module manifold type biomass microwave dry method or the semidrying pretreatment reaction device of 100kg wheat straw.
Like accompanying drawing 1, drive-motor 1 drives spiral material whisking appliance 16 through speed reduction unit 2 and rotates.After material gets into spiral material whisking appliance 16 from feeding warehouse 3; Needs according to the water cut adjusting; The water cut of a certain amount of tap water adjusting of input material is 30% (w/w) from tank 4; How much what moisture added is controlled by control manifold solenoid valve 5, and material moisture content in the process of spiral material whisking appliance 16 operations is adjusted, and the distribution of moisture simultaneously also becomes even.Material is fallen on the conveying belt 18 from the end output of spiral material whisking appliance 16, and conveying belt is processed by the glass wool of plating Teflon.Conveying belt 18 is driven by conveying belt motion-work wheel 11, and except motion-work wheel also disposes conveying belt follow-up pulley 14, both play a supportive role to conveying belt 18, and the conveying belt of erecting 18 passes from the resonator cavity 13 of both ends open.Resonator cavity 13 tops are equipped with German MUEGGE industry magnetron 8; Being used for preheating and the superpower heating of material, is the preheating section of material near inlet part in the resonator cavity, the magnetron of 2 5kw of configuration; Be the Pintsch process section of material near exit portion in the resonator cavity; The magnetron of 6 10kw of configuration, the residence time of material in resonator cavity is 10min, resonator cavity 13 tops also are equipped with infrared temperature sensor 9 and are used to monitor the material temperature variation; Material is heated to 95 ℃ after through preheating section, is heated to 135 ℃ and keep this temperature after the cracking section rapidly.In order to prevent the leakage of microwave, increase the heating efficiency of equipment, the import and the exit that get into resonator cavity 13 at conveying belt are equipped with the leakage that microwave reflection plate 15 is used to prevent microwave, and reflector is used has the stainless steel of better reflecting properties to process to microwave.The transfer rate of the monitoring of the adjusting of the adjusting of moisture and microwave and temperature and material is controlled by configuration software in the treating processes, and configuration software is selected the embedded configuration software of MCGS touch-screen 6 for use.
Pretreated raw material water cut is 20%, is used for cellulosic enzymolysis after adding 20IU cellulase/g Mierocrystalline cellulose in proportion, and behind the enzymolysis 48h, cellulosic enzymatic hydrolyzation is 85%.Corresponding corn straw without microwave treatment, its enzymatic hydrolyzation has only 25%.
Embodiment 2
Per hour handle the module manifold type biomass microwave dry method or the semidrying pretreatment reaction device of 150kg corn straw.
Like accompanying drawing 1, drive-motor 1 drives spiral material whisking appliance 16 through speed reduction unit 2 and rotates.After material gets into spiral material whisking appliance 16 from feeding warehouse 3; Needs according to the water cut adjusting; The water cut of a certain amount of tap water adjusting of input material is 28% (w/w) from tank 4; How much what moisture added is controlled by control manifold solenoid valve 5, and material moisture content in the process of spiral material whisking appliance 16 operations is adjusted, and the distribution of moisture simultaneously also becomes even.Material is fallen on the conveying belt 18 from the end output of spiral material whisking appliance 16, and conveying belt is processed by polymeric amide.Conveying belt 18 is driven by conveying belt motion-work wheel 11, and except motion-work wheel also disposes conveying belt follow-up pulley 14, both play a supportive role to conveying belt 18, and the conveying belt of erecting 18 passes from the resonator cavity 13 of both ends open.Resonator cavity 13 tops are equipped with German MUEGGE industry magnetron 8; Being used for preheating and the superpower heating of material, is the preheating section of material near inlet part in the resonator cavity, the magnetron of 2 10kw of configuration; Be the Pintsch process section of material near exit portion in the resonator cavity; The magnetron of 6 15kw of configuration, the residence time of material in resonator cavity is 8min, resonator cavity 13 tops also are equipped with infrared temperature sensor 9 and are used to monitor the material temperature variation; Material is heated to 98 ℃ after through preheating section, is heated to 138 ℃ and keep this temperature after the cracking section rapidly.In order to prevent the leakage of microwave, increase the heating efficiency of equipment, the import and the exit that get into resonator cavity 13 at conveying belt are equipped with the leakage that microwave reflection plate 15 is used to prevent microwave, and reflector is used has the aluminium sheet of better reflecting properties to process to microwave.The transfer rate of the monitoring of the adjusting of the adjusting of moisture and microwave and temperature and material is controlled by configuration software in the treating processes, and configuration software is selected the embedded configuration software of MCGS touch-screen 6 for use.
Pretreated raw material water cut is 18%, and the product enzyme substratum that is used as cellulase carries out the viride solid state fermentation.Raw material after the processing and wheat bran carried out proportioning according to 4: 1, added inorganic salt solution (ammonium sulfate 6% (w/w), the sal epsom 3% (w/w) of 1: 2.5 (w/w); Potassium hydrogenphosphate 1.5% (w/w)), behind the 30min that sterilizes under 121 ℃, cooling; The viride seed liquor of inoculating 1: 0.5 (w/v) is fermented, and temperature is 30 ℃, ferments after 5 days; Enzyme is lived and is the 66IU/g dry medium, considerably beyond contrast (being untreated) 12IU/g dry medium.
Embodiment 3
Per hour handle the module manifold type biomass microwave dry method or the semidrying pretreatment reaction device of 50kg weeds in field.
Like accompanying drawing 1, drive-motor 1 drives spiral material whisking appliance 16 through speed reduction unit 2 and rotates.After material gets into spiral material whisking appliance 16 from feeding warehouse 3; Needs according to the water cut adjusting; The water cut of a certain amount of tap water adjusting of input material is 25% (w/w) from tank 4; How much what moisture added is controlled by control manifold solenoid valve 5, and material moisture content in the process of spiral material whisking appliance 16 operations is adjusted, and the distribution of moisture simultaneously also becomes even.Material is fallen on the conveying belt 18 from the end output of spiral material whisking appliance 16, and conveying belt is processed by polymeric amide.Conveying belt 18 is driven by conveying belt motion-work wheel 11, and except motion-work wheel also disposes conveying belt follow-up pulley 14, both play a supportive role to conveying belt 18, and the conveying belt of erecting 18 passes from the resonator cavity 13 of both ends open.Resonator cavity 13 tops are equipped with German MUEGGE industry magnetron 8; Being used for preheating and the superpower heating of material, is the preheating section of material near inlet part in the resonator cavity, the magnetron of 2 3kw of configuration; Be the Pintsch process section of material near exit portion in the resonator cavity; The magnetron of 4 10kw of configuration, the residence time of material in resonator cavity is 6min, resonator cavity 13 tops also are equipped with infrared temperature sensor 9 and are used to monitor the material temperature variation; Material is heated to 96 ℃ after through preheating section, is heated to 130 ℃ and keep this temperature after the cracking section rapidly.In order to prevent the leakage of microwave, increase the heating efficiency of equipment, the import and the exit that get into resonator cavity 13 at conveying belt are equipped with the leakage that microwave reflection plate 15 is used to prevent microwave, and reflector is used has the aluminium sheet of better reflecting properties to process to microwave.The transfer rate of the monitoring of the adjusting of the adjusting of moisture and microwave and temperature and material is controlled by configuration software in the treating processes, and configuration software is selected the embedded configuration software of MCGS touch-screen 6 for use.
Pretreated raw material water cut is 18%, and this raw material is used for biogas fermentation, and with respect to the raw material of disregarding, improved 5 days on the aerogenesis peak, 7 days in advance completion gas generation processes.
Embodiment 4
Per hour handle the module manifold type biomass microwave dry method or the semidrying pretreatment reaction device of 75kg corn straw.
Be connected through sleeve 20 like 2, two pre-processing module of accompanying drawing, material after first reactor for treatment gets into the feeding warehouse of second reactor drum and handles, and the appointed condition in each module is with embodiment 2, with enhancement process intensity, and compound particular demands.

Claims (2)

1. module manifold type biomass microwave dry method or semidrying pretreatment reaction device, it is characterized in that: this reactor drum is by forming with lower component: drive-motor (1); Speed reduction unit (2); Feeding warehouse (3); Tank (4); Control manifold solenoid valve (5); MCGS touch-screen (6); Housing (7); Magnetron (8); Infrared temperature sensor (9); Conveying belt motion-work wheel (11); Conveying belt drive-motor (12); Resonator cavity (13); Conveying belt follow-up pulley (14); Microwave reflection plate (15); Spiral material whisking appliance (16); Support (17); Conveying belt (18); Waveguide (19); Sleeve (20) is formed, and drive-motor (1) drives spiral material whisking appliance (16) through speed reduction unit (2) and rotates, after material gets into spiral material whisking appliance (16) from feeding warehouse (3); Needs according to the water cut adjusting; How much what the water cut that a certain amount of tap water of input is regulated material from tank (4), moisture added is controlled by control manifold solenoid valve (5), and material is from the end output of spiral material whisking appliance (16); Fall on the conveying belt (18); Conveying belt (18) is driven by conveying belt motion-work wheel (11), and except motion-work wheel also disposes conveying belt follow-up pulley (14), both play a supportive role to conveying belt (18); The conveying belt of erecting (18) passes from the resonator cavity (13) of both ends open; Resonator cavity (13) top is equipped with magnetron (8), is used for the preheating and the superpower heating of material, and the principle of magnetron configuration is that magnetron can be heated to required temperature with material in the time that material passes through; Resonator cavity (13) top also is equipped with infrared temperature sensor (9) and is used to monitor the material temperature variation; The import and the exit that get into resonator cavity (13) at conveying belt are equipped with the leakage that microwave reflection plate (15) is used to prevent microwave, and the transfer rate of the monitoring of the adjusting of the adjusting of moisture and microwave and temperature and material is controlled by configuration software in the treating processes, and configuration software is selected the embedded configuration software of MCGS touch-screen (6) for use.
2. a kind of module manifold type biomass microwave dry method according to claim 1 or semidrying pretreatment reaction device; It is characterized in that: this reactor drum can use separately; Also can the series connection of 2-3 platform use; Each reactor drum to increase pretreated intensity, meets specific demand as the submodule of a treatment system.
CN 201110163346 2011-06-17 2011-06-17 Module coupling biomass microwave dry or semidry pretreatment reactor Expired - Fee Related CN102321520B (en)

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CN102728281A (en) * 2012-07-04 2012-10-17 中国科学院过程工程研究所 Continuous feeding device for normal-pressure biomass pretreatment reactor
CN102816811A (en) * 2011-06-10 2012-12-12 中国科学院过程工程研究所 Method for pre-treating biomass by means of microwave dry method or semidry method

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CN102816811A (en) * 2011-06-10 2012-12-12 中国科学院过程工程研究所 Method for pre-treating biomass by means of microwave dry method or semidry method
CN102816811B (en) * 2011-06-10 2014-11-05 中国科学院过程工程研究所 Method for pre-treating biomass by means of microwave dry method or semidry method
CN102641092A (en) * 2012-02-06 2012-08-22 湖南海尚环境生物科技有限公司 Source separated recycling water-free ecological restroom
CN102641092B (en) * 2012-02-06 2014-02-12 湖南海尚环境生物科技有限公司 Source separated recycling water-free ecological restroom
CN102658077A (en) * 2012-04-12 2012-09-12 中国科学院过程工程研究所 Biomass microwave continuous pretreatment reactor
CN102728281A (en) * 2012-07-04 2012-10-17 中国科学院过程工程研究所 Continuous feeding device for normal-pressure biomass pretreatment reactor

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