CN103184212B - Drying method for active solid-sate fermentation materials - Google Patents
Drying method for active solid-sate fermentation materials Download PDFInfo
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- CN103184212B CN103184212B CN201110457710.3A CN201110457710A CN103184212B CN 103184212 B CN103184212 B CN 103184212B CN 201110457710 A CN201110457710 A CN 201110457710A CN 103184212 B CN103184212 B CN 103184212B
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Abstract
The invention discloses a drying method for active solid-sate fermentation materials. According to the method, a fluidized drying method is used to dry the active solid-sate fermentation materials. Since the active solid-sate fermentation materials are put into a fluidized drying machine for drying, production efficiency is increased greatly, labor intensity is reduced, and product quality is stable. Usually, the fluidized drying machine is a closed drying space, so that the problem of environment pollution caused by excessive dust during a drying process can be prevented.
Description
Technical field
The present invention relates to the manufacture field of solid state fermentation thing, in particular to a kind of drying means of reactive solid fermented product.
Background technology
Solid state fermentation cultivates the mould (rhizopus) produced containing carrier, and conventional drying mode is that thin layer radiative oven dry or thick layer ventilation are dried.Thin layer radiative oven dry mode is that heated by air, open humidity discharging fan, artificial interval stirring, until moisture content volatilizees reach requirement index by Material control at 1-2 cm thick; Thick layer ventilation is dried as cement pit places apertured partition, and dividing plate is placed material 15 cm, hot blast enters from dividing plate, and artificial interval stirring, until product meets the requirements of moisture content index.But all there is larger defect in these two kinds of drying meanss.Thin layer radiative oven dry floor space is large, and labour intensity is large, and production efficiency is low, and sanitary index is poor, the large contaminate environment of aftertreatment dust.Thick layer ventilation bake out temperature difference is large, and labour intensity is large, and production efficiency is low, and sanitary index is poor, the large contaminate environment of aftertreatment dust.The quality product causing two kinds of drying modes to be produced due to poor controllability is all very unstable.
Fluidized drying is applicable to the drying of bulk granular material, as: the bulk drug in medicines, tableting granulation material, instant particles as Chinese medicine, the desiccant dehumidification of the Plastic Resin in industrial chemicals, citric acid and other powdery, granular material, in addition, also for the drying of food-drink electuary, grain processing, maize germ, feed etc.
In prior art, reactive solid fermented product adopts thin layer radiative oven dry or thick layer ventilation to dry usually, drying temperature is lower than 45 DEG C, because mould material is generally the uneven lumpy material of size, and temperature can decline even lethal more than 45 DEG C of mould vigor, so those skilled in the art it has been generally acknowledged that reactive solid fermented product can not adopt boiling drier to carry out drying.The present invention, by simultaneous test, determines the aperture of granulation screen cloth, determines inlet temperature and the final material temperature of drying process, by installing the rapping of bypass door opening additional, solves the problem of powder material blocking filter cloth bag.
Preferably; fluid-bed drying is completed by boiling drier; reactive solid fermented product is put into before boiling drier carries out drying and is also comprised granulation step, and granulation step comprises: reactive solid fermented product is carried out granulation by tablets press, and the mesh size of tablets press is 1-4 millimeter.Because, the uneven lumpy material of size presents good boiling state by material after the screen cloth granulation of aperture 1-4 millimeter in ebullated bed, raw meal particle size is little contributes to the moisture content volatilization accelerating material, but material more easily accelerates blocking filter cloth bag after being less than the screen cloth granulation of 1 millimeter by aperture, even cannot implement drying process.
According to a kind of typical embodiment of the present invention, reactive solid fermented product is mould material, is generally the rhizopus material of ground rice fermentation culture.Preferably, before granulation step, also comprise the sterilisation step to tablets press, sterilisation step comprises: position granulation function contacted with the mould material alcohol of 75% carries out disinfection, and can guarantee the security of this material as food like this.The air inlet of boiling drier is provided with high efficiency filter, high efficiency filter to being greater than 0.3 micron particle filtration efficiency >=99.97%, to ensure that the microorganism in air can not pollute this food material.Preferably, the inlet temperature of boiling drier is 94 DEG C ~ 96 DEG C, so just can ensure reactive solid fermented product non-inactivation in the process of drying, its drying in the short period of time can be made again to complete, increase work efficiency.When the temperature of reactive solid fermented product rises to 48 DEG C ~ 55 DEG C, the cold-air flap opening boiling drier makes the temperature of reactive solid fermented product be down to 34 DEG C ~ 36 DEG C, closes blower fan discharging, obtains dried reactive solid fermented product.
According to a kind of typical embodiment of the present invention, the material outlet place of boiling drier is provided with collection cloth bag.Preferably, also comprise the every 5 minutes air intakes to boiling drier in drying step and carry out a bypass conversion, and open rapping cylinder, close bypass door opening inlet air door after half a minute, close rapping cylinder, to clear up the reactive solid fermented product on collecting bag.
Beneficial effect of the present invention is further illustrated below in conjunction with embodiment.
Summary of the invention
The present invention aims to provide a kind of drying means of reactive solid fermented product, low to solve the dry production efficiency of reactive solid fermented product in prior art, and labour intensity is large, the technical problem of unstable product quality.
To achieve these goals, according to an aspect of the present invention, a kind of drying means of reactive solid fermented product is provided.This drying means comprises and utilizes fluid-bed drying dried active solid state fermentation thing.
Further; fluid-bed drying is completed by boiling drier; reactive solid fermented product is put into before boiling drier carries out drying and is also comprised granulation step, and granulation step comprises: reactive solid fermented product is carried out granulation by tablets press, and the mesh size of tablets press is 1-4 millimeter.
Further, wherein reactive solid fermented product is mould material.
Further, before granulation step, also comprise the sterilisation step to tablets press, sterilisation step comprises: position granulation function contacted with mould (rhizopus) the material alcohol of 75% carries out disinfection.
Further, the air inlet of boiling drier is provided with high efficiency filter, and high efficiency filter is to being greater than 0.3 micron particle filtration efficiency >=99.97%.
Further, the inlet temperature of boiling drier is 94 DEG C ~ 96 DEG C.
Further, when the temperature of reactive solid fermented product rises to 48 DEG C ~ 55 DEG C, the cold-air flap opening boiling drier makes the temperature of reactive solid fermented product be down to 34 DEG C ~ 36 DEG C, closes blower fan discharging, obtains dried reactive solid fermented product.
Further, the material outlet place of boiling drier is provided with collection cloth bag.
Further, also comprise the every 5 minutes air intakes to boiling drier in drying step and carry out a bypass conversion, and open rapping cylinder, close bypass door opening inlet air door after half a minute, close rapping cylinder.
The drying means of reactive solid fermented product of the present invention, owing to being reactive solid fermented product is put into boiling drier carry out drying, production efficiency is greatly improved, and labour intensity reduces, constant product quality.Because boiling drier is generally closed dry place, therefore, the excessive contaminate environment of dust in drying process is avoided.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.The present invention is described in detail below in conjunction with embodiment.
" high efficiency filter " in the present invention refers to the strainer to being greater than 0.3 micron particle filtration efficiency >=99.97%.
According to a kind of typical embodiment of the present invention, the drying means of reactive solid fermented product utilizes fluid-bed drying dried active solid state fermentation thing.The drying means of reactive solid fermented product of the present invention, owing to being reactive solid fermented product is put into boiling drier carry out drying, production efficiency is greatly improved, and labour intensity reduces, constant product quality.Because boiling drier is generally closed dry place, therefore, the excessive contaminate environment of dust in drying process is avoided.
Embodiment 1
Reactive solid fermented product is the rhizopus material of ground rice fermentation culture.
1) granulation: position granulation function contacted with the mould material alcohol of 75% carries out disinfection, and reactive solid fermented product is carried out granulation by tablets press, and the mesh size of tablets press is 1-4 millimeter;
2) dry: the air inlet of boiling drier is provided with high efficiency filter, air outlet place after boiling drier cleaning is arranged collection cloth bag, and dry, mould (rhizopus) material (240 kilograms) that granulation is good enters boiling drier, unlatching hot air disperser and air intake blower fan are boiling state by material, inlet temperature is regulated to be 94 DEG C ~ 96 DEG C, a bypass conversion was carried out to open the material that rapping cleaning cloth bag is collected to air intake in every 5 minutes, when the temperature of reactive solid fermented product rises to 51 DEG C, the cold-air flap opening boiling drier makes the temperature of reactive solid fermented product be down to 34 DEG C ~ 36 DEG C, close blower fan discharging, obtain dried reactive solid fermented product (180 kilograms).
Embodiment 2
Reactive solid fermented product is the yeast of ground rice fermentation culture.
1) granulation: position granulation function contacted with the mould material alcohol of 75% carries out disinfection, and reactive solid fermented product is carried out granulation by tablets press, and the mesh size of tablets press is 1-4 millimeter;
2) dry: the air inlet of boiling drier is provided with high efficiency filter, air outlet place after boiling drier cleaning is arranged collection cloth bag, and dry, (yeast) material (220 kilograms) that granulation is good enters boiling drier, unlatching hot air disperser and air intake blower fan are boiling state by material, inlet temperature is regulated to be 94 DEG C ~ 96 DEG C, a bypass conversion was carried out to open the material that rapping cleaning cloth bag is collected to air intake in every 5 minutes, when the temperature of reactive solid fermented product rises to 48 DEG C, the cold-air flap opening boiling drier makes the temperature of reactive solid fermented product be down to 34 DEG C ~ 36 DEG C, close blower fan discharging, obtain dried reactive solid fermented product (165 kilograms).
Interpretation of result
By the method for embodiment 1, dry 1 ton of product about needs 3.9 hours, and product examination meal pol is 31 grams/100 grams, and acidity is 0.3 gram/gram, moisture content 6.8%, miscellaneous bacteria number 100/gram.Namely the product pol obtained is high, acidity is low, sanitation degree is high.
By the method for embodiment 2, dry 1 ton of product about needs 4 hours, and yeast count is 3,000,000,000/gram, living cell rate is 75%, moisture content 7.0%, miscellaneous bacteria number 100/gram.Namely the product viable count obtained is high, sanitation degree is high.
By thin layer radiative oven dry method of the prior art, the drying area that the rhizopus product needed of dry 1 ton of ground rice fermentation culture is very large, 48 hours time of drying, then carry out pulverizing and obtain product, product examination meal pol is 29 grams/100 grams, acidity is 0.4 gram/gram, moisture content 10%, miscellaneous bacteria number 1000000/gram.Namely the product pol obtained is lower slightly, acidity is slightly high, sanitation degree is very poor, pulverize the large easily contaminate environment of generation dust.
By thick layer ventilation furnace drying method of the prior art, the rhizopus product needed of dry 1 ton of ground rice fermentation culture 24 hours, then carries out pulverizing and obtains product, product examination meal pol is 28 grams/100 grams, acidity is 0.45 gram/gram, moisture content 10%, miscellaneous bacteria number 100000/gram.Namely the product pol obtained is lower, acidity is higher, sanitation degree is poor, pulverize the large easily contaminate environment of generation dust.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a drying means for reactive solid fermented product, is characterized in that, utilizes the dry described reactive solid fermented product of fluid-bed drying; Described fluid-bed drying is completed by boiling drier, described reactive solid fermented product is put into before boiling drier carries out drying and is also comprised granulation step, described granulation step comprises: described reactive solid fermented product is carried out granulation by tablets press, and the mesh size of described tablets press is 1-4 millimeter; Described reactive solid fermented product is mould material; Described mould material is the rhizopus material of ground rice fermentation culture; The inlet temperature of described boiling drier is 94 DEG C ~ 96 DEG C; When the temperature of described reactive solid fermented product rises to 48 DEG C ~ 55 DEG C, the cold-air flap opening described boiling drier makes the temperature of described reactive solid fermented product be down to 34 DEG C ~ 36 DEG C, closes blower fan discharging.
2. drying means according to claim 1; it is characterized in that; before described granulation step, also comprise the sterilisation step to described tablets press, described sterilisation step comprises: the position described granulation function contacted with the described mould material alcohol of 75% carries out disinfection.
3. drying means according to claim 1, is characterized in that, the air inlet of described boiling drier is provided with high efficiency filter, and described high efficiency filter is to being greater than 0.3 micron particle filtration efficiency >=99.97%.
4. drying means according to claim 1, is characterized in that, the material outlet place of described boiling drier is provided with collection cloth bag.
5. drying means according to claim 4, it is characterized in that, also comprise the every 5 minutes air intakes to described boiling drier in described drying step and carry out a bypass conversion, and open rapping cylinder, close bypass door opening inlet air door after half a minute, close rapping cylinder.
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| CN106186349A (en) * | 2016-07-19 | 2016-12-07 | 信阳农林学院 | A kind of compound microecological water conditioner and preparation method thereof |
| CN106754377A (en) * | 2016-12-28 | 2017-05-31 | 江苏天石生物科技有限公司 | A kind of clostridium butyricum fluidized drying method |
| CN107686401A (en) * | 2017-09-14 | 2018-02-13 | 内蒙古汇祥生物科技有限公司 | One kind utilizes microbial manure and preparation method thereof made from yeast fermentation broth |
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| CN101209088A (en) * | 2006-12-28 | 2008-07-02 | 上海创博生态工程有限公司 | Microorganism polyzyme additive agent for improving pigling growth and development |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101209088A (en) * | 2006-12-28 | 2008-07-02 | 上海创博生态工程有限公司 | Microorganism polyzyme additive agent for improving pigling growth and development |
| CN101886054A (en) * | 2010-06-22 | 2010-11-17 | 上海邦成生物科技有限公司 | Production method of bacillus subtilis by solid state fermentation using fermented waste |
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| 大蒜提取物沸腾干燥过程研究;邹芝芳;《当代化工》;20071031;第36卷(第5期);全文 * |
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