CN113915954A - Bean dreg drying process and device based on automatic two-pole drying technology - Google Patents
Bean dreg drying process and device based on automatic two-pole drying technology Download PDFInfo
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- CN113915954A CN113915954A CN202111066733.1A CN202111066733A CN113915954A CN 113915954 A CN113915954 A CN 113915954A CN 202111066733 A CN202111066733 A CN 202111066733A CN 113915954 A CN113915954 A CN 113915954A
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Beans For Foods Or Fodder (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an automatic two-pole drying technology-based bean dreg drying process and device, and relates to the technical field of bean dreg drying processes. This bean dregs stoving process and device based on automatic two poles of earth drying technique, the first step is taken off most free moisture content with wet bean dregs through the hydroextractor, the second step is entered into bean dregs drying device with wet bean dregs, the third step bean dregs is 30% ~35% in bean dregs drying device fully dries 25min back bean dregs water content, discharge the half wet bean dregs in the bean dregs drying device by screw conveyer, half wet bean dregs enter the freeze-drying incasement, the fourth step is opened by the vacuum pump and is carried out the evacuation operation, begin to sublimate, after the step five rises the china and dries, get into desorption drying stage, after the step six desorption, unload to the bean dregs. According to the bean dreg drying process based on the automatic two-pole drying technology, the bean dreg drying mode is a cold and hot two-pole mode to uniformly dry the bean dreg, the bean dreg is prevented from being denatured when being dried at a high temperature for a long time, and the freeze drying speed is reduced.
Description
Technical Field
The invention relates to the technical field of bean dregs drying technology, in particular to an automatic two-pole drying technology-based bean dregs drying technology and an automatic two-pole drying device.
Background
The bean dregs are by-products obtained by separating soybean milk in the process of processing soybean milk (soymilk), bean curd, soymilk and the like with soybeans. With the improvement of living standard, the drastic increase of soybean processing amount leads to the increase of the yield of the soybean dregs. However, due to poor taste, the bean dregs are used as animal feed more in the past, are not fully utilized, and the nutrition of the bean dregs is very rich. Research shows that the bean dregs contain 20-30% of protein, 9-20% of crude fat, more than 50% of carbohydrate (the content of dietary fiber is 9-20%), a plurality of vitamins and mineral substances, and functional substances such as soybean isoflavone, soybean saponin, phytic acid and the like, and are ideal natural dietary fiber sources, and if the bean dregs are not used in time, the bean dregs are easy to rot, so that the problem of environmental pollution is caused. Therefore, the bean dregs are reasonably utilized, thereby being beneficial to improving the added value of the soybeans and protecting the ecological environment;
comparison application number: CN201510837265.1 discloses an okara drying process, which is to dry okara by adopting a jet impact drying technology, wherein the drying temperature is 50-80 ℃, the air outlet rate is 1.0-2.5 m/s, the whole drying process of okara is placed in a high-temperature state for drying, but the material of the known substance can be easily denatured when the substance is in a high temperature state for a long time, so that the bioactivity is reduced after drying, and the effect of maximally retaining the nutrient substances in the okara cannot be achieved by the scheme.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the prior art, provides an automatic two-pole drying technology-based bean dregs drying process and device, and can solve the problem that the effect of maximally retaining nutrient substances in the bean dregs cannot be achieved.
In order to achieve the purpose, the invention provides the following technical scheme: the bean dreg drying process based on the automatic two-pole drying technology is operated and produced according to the following steps:
s1, removing most of free water from the wet bean dregs through a dehydrator to form wet bean dregs with the water content of 60-70%;
s2, feeding wet bean dregs containing 60-70% of water into a bean dregs drying device, wherein the drying temperature in the bean dregs drying device is 85-90 degrees, and the air outlet speed is 3-4 m/S;
s3, after the bean dregs are fully dried for 25min in the bean dregs drying device, the water content of the bean dregs is 30% -35%, semi-wet bean dregs in the bean dregs drying device are discharged by a screw conveyer, the semi-wet bean dregs enter a freeze-drying box, after the bean dregs are cooled to the lowest pre-freezing temperature, the bean dregs are kept for 0.5-2 hours at the temperature, the bean dregs are completely frozen, and the bean dregs are transferred to a sublimation stage;
s4, when the temperature of the cold trap is lower than-40 ℃, starting a vacuum pump to perform vacuum pumping operation, pumping the freeze-drying box to the pressure of about 10-30 Pa from the atmospheric pressure by a vacuum system, heating the bean dregs in the box to provide heat required by water sublimation, and starting sublimation;
s5, when sublimation drying is finished, entering a desorption drying stage, rapidly increasing the temperature of the bean dregs to 50-60 degrees, and ending freeze drying of the bean dregs after the bean dregs are kept at the temperature for 15-20 min;
and S6, discharging the bean dregs after the desorption is finished, and performing post-treatment on the bean dregs in a vacuum packaging or vacuum gas-filled packaging mode and the like.
Preferably, the bean dregs are continuously stirred up and scattered under the shoveling plate in the bean dregs drying device and advance in a spiral advancing manner, and the built-in stirring paddle device fully stirs, scatters and crushes the wet bean dregs, so that the heat exchange area between the materials and hot gas is fully enlarged.
Preferably, about 10-30 minutes before the pre-freezing of the bean dregs is finished, a cold trap in the freeze-drying equipment starts to cool to prepare for entering a sublimation stage, and the temperature in the cooling temperature of the cold trap is continuously below-40 ℃.
Preferably, the pre-freezing temperature in the freeze-drying box is 5-10 ℃ lower than the eutectic point of the bean dregs, and the pre-freezing process is carried out at the temperature of 10-15 ℃ per minute for rapid cooling.
Preferably, the bean dregs drying device comprises a shell, wherein the lower end of the shell is respectively and fixedly connected with two groups of supporting legs which are taken as one group, the upper surface of the shell is fixedly connected with a feeding pipe of which a feeding hole extends into the shell, the right side surface of the shell is provided with a discharging pipe, the left side surface of the shell is fixedly connected with a driving motor of which an output shaft penetrates through the left side surface of the shell and extends into the shell, the inside of the shell is rotatably connected with a movable shaft, the outer surface of the movable shaft is fixedly sleeved with a stirring paddle, and the outer surface of the shell of the roller dryer is provided with a vibration element;
the equal fixedly connected with buffering subassembly of lower surface of two sets of supporting legs, the buffering subassembly includes the backup pad, and the last fixed surface of backup pad connects the lower extreme at two support columns, and the lower surface of backup pad rotates respectively and connects the second regulating plate, and the below of backup pad is provided with mounting plate, and mounting plate's upper surface rotates to be connected with and is the first regulating plate of cross arrangement with the second regulating plate.
Preferably, the right end of loose axle rotates to be connected on the right side inner wall of casing, the left side surface of loose axle and driving motor's output shaft fixed connection, and stirring paddle's structure sets up to the screw thread form.
Preferably, the inner wall of the shell is fixedly connected with two heat supply elements respectively, and the upper surface of the shell is fixedly connected with an air inlet which penetrates through the blower in the shell.
Preferably, two movable sliding chutes are respectively formed in the opposite surfaces of the mounting bottom plate and the supporting plate, two movable sliding rods are respectively and fixedly connected between the inner walls of the front side and the rear side of each movable sliding chute, sliding blocks are movably sleeved on the two movable sliding rods, sliding holes in sliding connection with the movable sliding rods are formed in the sliding blocks, and one ends, opposite to the two sliding blocks, of the two sliding blocks are respectively and rotatably connected with the first adjusting plate and the second adjusting plate.
Preferably, the rear side surface of the sliding block is fixedly connected with a buffer element which is movably sleeved on the movable sliding rod, and the rear end of the buffer element is fixedly connected to the inner wall of the rear side of the movable sliding chute.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the bean dreg drying process based on the automatic two-pole drying technology, the bean dreg drying mode is a cold and hot two-pole mode to uniformly dry the bean dreg, the bean dreg is prevented from being denatured when being dried at a high temperature for a long time, the freeze drying speed is reduced, so that the bean dreg drying time is short, the bean dreg is not saccharified and gelatinized in the drying process, the color difference between the appearance color and the luster of the dried bean dreg and the appearance color and the luster of the dried bean dreg is small, and the blackening condition is avoided.
(2) This bean dregs stoving technology based on automatic two poles of earth stoving technique, the dry process in earlier stage of bean dregs is gone on under the high temperature state, and then has accelerated the dry speed of moisture in the bean dregs, the time of bean dregs later stage low temperature drying has been reduced, thereby the dry speed of wet bean dregs has been ensured, the dry process in bean dregs later stage is gone on under the low temperature state, the process is little to the destruction degree of component, the heat distortion is extremely weak, thereby ensured that the nutritive substance in the bean dregs can not run off, quality when having ensured the bean dregs use.
(3) This bean dregs stoving technology based on automatic two poles of earth stoving technique, vacuum system need be through pressure regulating, the pressure of control freeze-drying incasement such as gas charging method in the process, make it can guarantee sublimed speed, will do benefit to thermal transmission simultaneously, and the heating need be guaranteed that sublimation temperature can not exceed the eutectic point of material, is less than the temperature of disintegrating of dry material simultaneously, has ensured that the nutrient substance in the bean dregs can not run off.
(4) This bean dregs drying device based on automatic two poles of earth stoving technique, bean dregs constantly have been copied under the flight in getting into bean dregs drying device, it advances to scatter to be the formula of advancing of spiral, built-in stirring paddle leaf device breaks up wet bean dregs intensive mixing, fully enlarge material and steam heat exchange area, the condition of glutinous wall has just so been solved, the quality of bean dregs thermal power stoving has been ensured, be provided with vibrations component simultaneously, prevent like this that material and section of thick bamboo wall from bonding and the material curtain is even, heating area is big, the throughput rate is high, to a great extent has avoided the emergence of thickener.
(5) This bean dregs drying device based on automatic two poles of earth stoving technique through being provided with buffering subassembly, reduces the device produced noise and vibrations in the use, has further ensured the fastness that each spare part is connected in the device, has avoided appearing not hard up condition in long-time use, has ensured the device's life and result of use.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of a bean dregs drying device based on an automatic two-pole drying technology;
FIG. 2 is a schematic top view of the housing of the present invention;
FIG. 3 is a schematic view of a cushion assembly according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
Reference numerals: 1 shell, 2 supporting legs, 3 heat supply elements, 4 feeding pipes, 5 discharging pipes, 6 driving motors, 7 movable shafts, 8 stirring blades, 9 blowers, 10 vibration elements, 11 buffer assemblies, 111 supporting plates, 112 first adjusting plates, 113 second adjusting plates, 114 mounting bottom plates, 115 movable sliding grooves, 116 movable sliding rods, 117 sliding blocks and 118 buffer elements.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The first embodiment is as follows:
the invention provides a technical scheme that: the bean dregs drying process based on the automatic two-pole drying technology comprises the following specific operation steps:
s1, removing most of free water from the wet bean dregs through a dehydrator to form wet bean dregs with the water content of 60%;
s2, enabling wet bean dregs containing 60% of water to enter a bean dregs drying device, enabling the drying temperature in the bean dregs drying device to be 85 degrees, enabling the air outlet speed to be 3/S, enabling the bean dregs to enter the bean dregs drying device, continuously stirring up and scattering under a stirring plate and advancing in a spiral advancing manner, fully stirring, scattering and crushing the wet bean dregs by a built-in stirring paddle device, and fully enlarging the heat exchange area between materials and hot air, so that the problem of wall adhesion is solved;
s3, after the bean dregs are fully dried for 25min in the bean dregs drying device, the water content of the bean dregs is 30%, semi-wet bean dregs in the bean dregs drying device are discharged by a screw conveyer, the semi-wet bean dregs enter a freeze-drying box, the pre-freezing temperature in the freeze-drying box is lower than 10 ℃ of the eutectic point of the bean dregs, the pre-freezing process is carried out for cooling at 15 ℃ per minute for rapid cooling, after the bean dregs are cooled to the minimum temperature of the pre-freezing, the bean dregs are kept for 0.5 hour at the temperature, the bean dregs are completely frozen, the sublimation stage is carried out, about 30 minutes before the pre-freezing is finished, a cold trap in the freeze-drying device starts to be cooled for entering the sublimation stage, and the temperature in the cooling temperature of the cold trap is continuously lower than-40 ℃;
s4, when the temperature of the cold trap is lower than-40 ℃, starting a vacuum pump to perform vacuum pumping operation, pumping the freeze-drying box to the pressure of about 10-30 Pa from the atmospheric pressure by a vacuum system, heating the bean dregs in the box to provide heat required by water sublimation, and starting sublimation;
s5, when sublimation drying is finished, entering a desorption drying stage, and rapidly increasing the temperature of the bean dregs to 60 degrees, so that bound water in the bean dregs and water adsorbed in a drying layer can be rapidly removed, and the bean dregs can be freeze-dried after 15min at the temperature;
s6, discharging the bean dregs after desorption, and performing post-treatment on the bean dregs in a vacuum packaging or vacuum gas-filled packaging mode;
in the bean dreg drying process based on the automatic two-pole drying technology, the bean dreg is not saccharified and gelatinized in the drying process, the color difference between the appearance and the color of the dried bean dreg and the appearance and the color before drying is small, and the condition of blackening does not exist;
the invention also provides an embodiment II, which makes corresponding improvement on the basis of the embodiment I, and the specific operation steps of the embodiment are as follows:
s1, removing most of free water from the wet bean dregs through a dehydrator to form wet bean dregs with the water content of 70%;
s2, enabling wet bean dregs containing 70% of water to enter a bean dregs drying device, wherein the drying temperature in the bean dregs drying device is 85 degrees, and the air outlet speed is 4 m/S;
s3, after the bean dregs are fully dried for 25min in the bean dregs drying device, the water content of the bean dregs is 35%, semi-wet bean dregs in the bean dregs drying device are discharged by a screw conveyer, the semi-wet bean dregs enter a freeze-drying box, the pre-freezing temperature in the freeze-drying box is lower than 10 ℃ of the eutectic point of the bean dregs, the pre-freezing process is carried out for cooling at 15 ℃ per minute for rapid cooling, after the bean dregs are cooled to the minimum temperature of the pre-freezing, the bean dregs are completely frozen after staying for 2 hours at the temperature, the bean dregs are transferred to a sublimation stage, about 10 minutes before the pre-freezing is finished, a cold trap in the freeze-drying device starts to be cooled for entering a sublimation stage, and the temperature in the cooling temperature of the cold trap is continuously lower than-40 ℃;
s4, when the temperature of the cold trap is lower than-40 ℃, starting a vacuum pump to perform vacuum pumping operation, pumping the freeze-drying box to the pressure of about 10-30 Pa from the atmospheric pressure by a vacuum system, heating bean dregs in the box to provide heat required by water sublimation, and starting sublimation, wherein the pressure in the freeze-drying box needs to be controlled by the vacuum system through pressure regulation, an inflation method and the like in the process, so that the sublimation rate can be ensured, and heat transfer is facilitated;
s5, when the sublimation drying is finished, entering a desorption drying stage, and rapidly increasing the temperature of the bean dregs to 60 degrees, so that the combined water in the bean dregs and the water adsorbed in the drying layer can be rapidly removed, and the freeze-drying can be finished after the temperature is kept for a period of time;
s6, discharging the bean dregs after desorption, and performing post-treatment on the bean dregs in a vacuum packaging or vacuum gas-filled packaging mode;
according to the bean dreg drying process based on the automatic two-pole drying technology, the later drying process of the bean dreg is carried out at a low temperature, the damage degree of the process to components is small, and the thermal distortion is very weak, so that the loss of nutrient substances in the bean dreg is avoided, and the using quality of the bean dreg is guaranteed;
the invention also provides a third embodiment, which is a corresponding improvement on the basis of the first embodiment, and the specific operation steps of the third embodiment are as follows:
s1, removing most of free water from the wet bean dregs through a dehydrator to form wet bean dregs with the water content of 70%;
s2, enabling wet bean dregs containing 70% of water to enter a bean dregs drying device, wherein the drying temperature in the bean dregs drying device is 90 degrees, and the air outlet speed is 4 m/S;
s3, after the bean dregs are fully dried for 25min in the bean dregs drying device, the water content of the bean dregs is 30%, semi-wet bean dregs in the bean dregs drying device are discharged by a screw conveyer, the semi-wet bean dregs enter a freeze-drying box, the pre-freezing temperature in the freeze-drying box is lower than 5 ℃ of the eutectic point of the bean dregs, the pre-freezing process is rapidly cooled by 10 ℃ per minute, after the bean dregs are cooled to the minimum temperature of the pre-freezing, the bean dregs are completely frozen after staying for 2 hours at the temperature, the bean dregs are transferred to a sublimation stage, about 10 minutes before the pre-freezing is finished, a cold trap in the freeze-drying device starts to be cooled to enter a sublimation stage, and the temperature in the cooling temperature of the cold trap is continuously lower than-40 ℃;
s4, when the temperature of the cold trap is lower than-40 ℃, starting a vacuum pump to perform vacuum pumping operation, pumping the freeze-drying box to the pressure of about 10-30 Pa from the atmospheric pressure by a vacuum system, heating bean dregs in the box to provide heat required by water sublimation, and starting sublimation, wherein the pressure in the freeze-drying box needs to be controlled by the vacuum system through pressure regulation, an inflation method and the like in the process, so that the sublimation rate can be ensured, and heat transfer is facilitated;
s5, when the sublimation drying is finished, entering a desorption drying stage, and rapidly increasing the temperature of the bean dregs to 60 degrees, so that the combined water in the bean dregs and the water adsorbed in the drying layer can be rapidly removed, and the freeze-drying can be finished after the temperature is kept for a period of time;
s6, discharging the bean dregs after desorption, and performing post-treatment on the bean dregs in a vacuum packaging or vacuum gas-filled packaging mode;
according to the bean dreg drying process based on the automatic two-pole drying technology, the early-stage drying process of the bean dregs is carried out at a high temperature, so that the drying speed of water in the bean dregs is increased, the low-temperature drying time of the bean dregs at the later stage is shortened, and the drying speed of wet bean dregs is guaranteed;
the scheme simultaneously provides a bean dreg drying device based on the automatic two-pole drying technology;
please refer to fig. 1-4, bean dregs drying device based on automatic two-pole drying technology, including casing 1, the lower extreme of casing 1 is four supporting legs 2 of fixedly connected with respectively, four supporting legs 2 use two to be a set of two-sets, two sets of supporting legs 2 set up the left and right sides at casing 1 lower extreme respectively, the last fixed surface of casing 1 is connected with the inlet pipe 4 that the feed inlet extends into casing 1, the right side fixed surface of casing 1 is connected with discharging pipe 5, be provided with the opening valve in discharging pipe 5 simultaneously, open the valve and do not do too much for current structure and describe again, and the discharge gate of discharging pipe 5 extends into casing 1's inside inlet pipe 4
Further, a driving motor 6 is fixedly connected to the left side surface of the shell 1, an output shaft of the driving motor 6 penetrates through the left side surface of the shell 1 and extends into the shell 1, a movable shaft 7 is rotatably connected to the inside of the shell 1, the right end of the movable shaft 7 is rotatably connected to the right side inner wall of the shell 1, the left side surface of the movable shaft 7 is fixedly connected with the output shaft of the driving motor 6, a stirring paddle 8 is fixedly sleeved on the outer surface of the movable shaft 7, the stirring paddle 8 is in a threaded structure, bean dregs are continuously stirred up and scattered under the stirring paddle 8 when entering the shell and advance in a spiral advancing manner, the built-in stirring paddle 8 fully stirs and scatters and breaks wet bean dregs, the heat exchange area of materials and hot gas is fully enlarged, and the problem of wall adhesion is solved;
further, the outer surface of the shell 1 is provided with a vibration element 10, so that materials are prevented from being bonded with the cylinder wall, the material curtain is uniform, the heating area is large, the passing rate is high, and paste is avoided to a great extent;
in order to reduce the noise and vibration generated by the device in the using process, two buffer assemblies 11 are further arranged at the lower ends of two groups of supporting legs 2 respectively, the connecting structures in the two buffer assemblies 11 are the same, so that the following description mainly describes a connecting structure in one buffer assembly 11, each buffer assembly 11 comprises a supporting plate 111, the upper surface of each supporting plate 111 is fixedly connected to the lower ends of two supporting columns 2, the lower surface of each supporting plate 111 is rotatably connected with a second adjusting plate 113 respectively, a mounting bottom plate 114 is arranged below each supporting plate 111, and the upper surface of each mounting bottom plate 114 is rotatably connected with a first adjusting plate 112 which is arranged to intersect with the second adjusting plate 113;
further, two movable sliding grooves 115 are respectively formed in the opposite surfaces of the mounting bottom plate 114 and the support plate 111, two movable sliding rods 116 are respectively and fixedly connected between the inner walls of the front side and the rear side of the two movable sliding grooves 115, sliding blocks 117 are movably sleeved on the two movable sliding rods 116, sliding holes which are in sliding connection with the movable sliding rods 116 are formed in the sliding blocks 117, the opposite ends of the two sliding blocks 117 are respectively and rotatably connected with the first adjusting plate 112 and the second adjusting plate 113, the rear side surface of each sliding block 117 is fixedly connected with a buffer element 118 which is movably sleeved on the movable sliding rod 116 and the rear end of each buffer element is fixedly connected to the inner wall of the rear side of the movable sliding groove 115, and in the scheme, the buffer elements 118 can be springs or rubber with elastic deformation, so that the buffer elements 118 can be arranged according to actual production requirements;
when the housing 1 vibrates, the distance between the supporting plate 111 and the mounting base plate 114 increases or decreases along with the vibration direction, and when the distance between the supporting plate 111 and the mounting base plate 114 decreases, the first adjusting plate 112 and the second adjusting plate 113 rotate outward respectively, so that the sliding block 117 can be pushed to move rightward on the movable sliding rod 116, and the buffer element 118 is squeezed to deform, thereby achieving the buffer effect on the housing 1, otherwise, when the distance between the supporting plate 111 and the mounting base plate 114 increases, the buffer effect on the housing 1 can be achieved according to the above principle.
The working principle is as follows: when the bean dregs drying device based on the automatic two-pole drying technology is used;
the first step is as follows: bean dregs enter the shell 1 through the feeding pipe 4, meanwhile, the driving motor 6 drives the stirring blades 8 to stir and scatter the bean dregs, meanwhile, the heat supply element 3 and the blower 9 are started, so that the bean dregs in the shell 1 are dried, meanwhile, the vibration element 10 is started to generate vibration force on the outer surface of the shell 1, and therefore, the bean dregs on the inner wall of the shell 1 are shaken off, and the situation that the bean dregs are adhered to the wall is avoided;
the second step is that: when the housing 1 vibrates, the distance between the supporting plate 111 and the mounting base plate 114 increases or decreases along with the vibration direction, and when the distance between the supporting plate 111 and the mounting base plate 114 decreases, the first adjusting plate 112 and the second adjusting plate 113 respectively rotate in the outward direction, so that the sliding block 117 is pushed to move rightwards on the movable sliding rod 116, and the buffer element 118 is squeezed to deform, thereby achieving the buffer effect on the housing 1, otherwise, when the distance between the supporting plate 111 and the mounting base plate 114 increases, the buffer effect on the housing 1 can be achieved according to the above principle.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. Bean dregs drying process based on automatic two-pole drying technology is characterized in that: the production method comprises the following steps:
s1, removing most of free water from the wet bean dregs through a dehydrator to form wet bean dregs with the water content of 60-70%;
s2, feeding wet bean dregs containing 60-70% of water into a bean dregs drying device, wherein the drying temperature in the bean dregs drying device is 85-90 degrees, and the air outlet speed is 3-4 m/S;
s3, after the bean dregs are fully dried for 25min in the bean dregs drying device, the water content of the bean dregs is 30% -35%, semi-wet bean dregs in the bean dregs drying device are discharged by a screw conveyer, the semi-wet bean dregs enter a freeze-drying box, after the bean dregs are cooled to the lowest pre-freezing temperature, the bean dregs are kept for 0.5-2 hours at the temperature, the bean dregs are completely frozen, and the bean dregs are transferred to a sublimation stage;
s4, when the temperature of the cold trap is lower than-40 ℃, starting a vacuum pump to perform vacuum pumping operation, pumping the freeze-drying box to the pressure of about 10-30 Pa from the atmospheric pressure by a vacuum system, heating the bean dregs in the box to provide heat required by water sublimation, and starting sublimation;
s5, when sublimation drying is finished, entering a desorption drying stage, rapidly increasing the temperature of the bean dregs to 50-60 degrees, and ending freeze drying of the bean dregs after the bean dregs are kept at the temperature for 15-20 min;
and S6, discharging the bean dregs after the desorption is finished, and performing post-treatment on the bean dregs in a vacuum packaging or vacuum gas-filled packaging mode and the like.
2. The bean dregs drying process based on the automatic two-pole drying technology as claimed in claim 1, which is characterized in that: the bean dregs are continuously stirred up and scattered under the shoveling plate in the bean dregs drying device and advance in a spiral advancing manner, and the built-in stirring paddle device fully stirs, scatters and crushes the wet bean dregs.
3. The bean dregs drying process based on the automatic two-pole drying technology as claimed in claim 1, which is characterized in that: and (3) about 10-30 minutes before the pre-freezing of the bean dregs is finished, cooling a cold trap in the freeze-drying equipment to prepare for entering a sublimation stage, wherein the temperature in the cooling temperature of the cold trap is continuously below-40 ℃.
4. The bean dregs drying process based on the automatic two-pole drying technology as claimed in claim 1, which is characterized in that: the pre-freezing temperature in the freeze-drying box is 5-10 ℃ lower than the eutectic point of the bean dregs, and the pre-freezing process is carried out by cooling at 10-15 ℃ per minute.
5. The bean dregs drying device provided by claim 1, comprising a shell (1), wherein the lower end of the shell (1) is respectively and fixedly connected with two groups of supporting legs (2) which are taken as one group, the upper surface of the shell (1) is fixedly connected with a feeding pipe (4) of which a feeding hole extends into the shell (1), the right side surface of the shell (1) is provided with a discharging pipe (5), the left side surface of the shell (1) is fixedly connected with a driving motor (6) of which an output shaft penetrates through the left side surface of the shell (1) and extends into the shell (1), the interior of the shell (1) is rotatably connected with a movable shaft (7), the outer surface of the movable shaft (7) is fixedly sleeved with a stirring paddle (8), and the outer surface of the shell of the roller dryer is provided with a vibration element (10);
the equal fixedly connected with buffering subassembly (11) of lower surface of two sets of supporting legs (2), buffering subassembly (11) are including backup pad (111), the last fixed surface of backup pad (111) is connected at the lower extreme of two support columns (2), the lower surface of backup pad (111) rotates respectively and connects second regulating plate (113), the below of backup pad (111) is provided with mounting plate (114), the last rotate surface of mounting plate (114) is connected with and is first regulating plate (112) that the intersection set up with second regulating plate (113).
6. The bean dregs drying device based on the automatic two-pole drying technology as claimed in claim 5, characterized in that: the right-hand member of loose axle (7) rotates to be connected on the right side inner wall of casing (1), the left side surface of loose axle (7) and driving motor's (6) output shaft fixed connection, and stirring paddle leaf (8)'s structure sets up to the screw thread form.
7. The bean dregs drying device based on the automatic two-pole drying technology as claimed in claim 5, characterized in that: the inner wall of the shell (1) is fixedly connected with two heat supply elements (3) respectively, and the upper surface of the shell (1) is fixedly connected with a blower (9) with an air inlet penetrating through the shell (1).
8. The bean dregs drying device based on the automatic two-pole drying technology as claimed in claim 5, characterized in that: two movable sliding grooves (115) are respectively formed in the opposite faces of the mounting bottom plate (114) and the supporting plate (111), two movable sliding rods (116) are fixedly connected between the inner walls of the front side and the rear side of the two movable sliding grooves (115) respectively, sliding blocks (117) are movably sleeved on the two movable sliding rods (116), sliding holes which are connected with the movable sliding rods (116) in a sliding mode are formed in the sliding blocks (117), and one ends, opposite to the two sliding blocks (117), of the two sliding blocks are rotatably connected with the first adjusting plate (112) and the second adjusting plate (113) respectively.
9. The bean dregs drying device based on the automatic two-pole drying technology as claimed in claim 8, characterized in that: the rear side surface of the sliding block (117) is fixedly connected with a buffer element (118) which is movably sleeved on the movable sliding rod (116) and the rear end of the buffer element is fixedly connected on the inner wall of the rear side of the movable sliding chute (115).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118532894A (en) * | 2024-07-23 | 2024-08-23 | 江苏嘉莱宝医疗科技有限公司 | Freeze-drying device is used in processing of liquid dressing |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051845A (en) * | 2005-08-19 | 2007-03-01 | Nishimura Tekkosho:Kk | Wet matter dryer and drying method |
| CN102715600A (en) * | 2011-09-20 | 2012-10-10 | 福建立兴食品有限公司 | Preparation method of vacuum freeze-dried instant tomato-egg soup |
| CN103988891A (en) * | 2014-05-07 | 2014-08-20 | 太原理工大学 | Method for improving vacuum freeze drying rate of fruits and vegetables |
| CN105616466A (en) * | 2016-01-12 | 2016-06-01 | 昆明中农贸易有限公司 | Preparation method of freeze-dried angelica |
| CN107300309A (en) * | 2017-07-21 | 2017-10-27 | 苏州宇希新材料科技有限公司 | A kind of swinging drying device organised towards fertilizer |
| CN207019410U (en) * | 2017-07-21 | 2018-02-16 | 苏州宇希新材料科技有限公司 | A kind of swinging drying device to be organised towards fertilizer |
| CN207395365U (en) * | 2017-08-12 | 2018-05-22 | 安徽乐农环保科技有限公司 | A kind of fertilizer drying device |
| CN108759392A (en) * | 2018-05-30 | 2018-11-06 | 金寨益企学农业科技有限公司 | A kind of organic fertilizer production drying device |
| CN209131343U (en) * | 2018-03-08 | 2019-07-19 | 辽宁豆华天宝食品科技股份有限公司 | A kind of bean dregs dehydration device |
| CN214147314U (en) * | 2020-12-31 | 2021-09-07 | 威海诚悦光电科技有限公司 | Irregular sample supporting device for spectrometer |
-
2021
- 2021-09-13 CN CN202111066733.1A patent/CN113915954A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051845A (en) * | 2005-08-19 | 2007-03-01 | Nishimura Tekkosho:Kk | Wet matter dryer and drying method |
| CN102715600A (en) * | 2011-09-20 | 2012-10-10 | 福建立兴食品有限公司 | Preparation method of vacuum freeze-dried instant tomato-egg soup |
| CN103988891A (en) * | 2014-05-07 | 2014-08-20 | 太原理工大学 | Method for improving vacuum freeze drying rate of fruits and vegetables |
| CN105616466A (en) * | 2016-01-12 | 2016-06-01 | 昆明中农贸易有限公司 | Preparation method of freeze-dried angelica |
| CN107300309A (en) * | 2017-07-21 | 2017-10-27 | 苏州宇希新材料科技有限公司 | A kind of swinging drying device organised towards fertilizer |
| CN207019410U (en) * | 2017-07-21 | 2018-02-16 | 苏州宇希新材料科技有限公司 | A kind of swinging drying device to be organised towards fertilizer |
| CN207395365U (en) * | 2017-08-12 | 2018-05-22 | 安徽乐农环保科技有限公司 | A kind of fertilizer drying device |
| CN209131343U (en) * | 2018-03-08 | 2019-07-19 | 辽宁豆华天宝食品科技股份有限公司 | A kind of bean dregs dehydration device |
| CN108759392A (en) * | 2018-05-30 | 2018-11-06 | 金寨益企学农业科技有限公司 | A kind of organic fertilizer production drying device |
| CN214147314U (en) * | 2020-12-31 | 2021-09-07 | 威海诚悦光电科技有限公司 | Irregular sample supporting device for spectrometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118532894A (en) * | 2024-07-23 | 2024-08-23 | 江苏嘉莱宝医疗科技有限公司 | Freeze-drying device is used in processing of liquid dressing |
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