CN111011688A - Processing technology of mulberry leaf ultrafine powder - Google Patents

Processing technology of mulberry leaf ultrafine powder Download PDF

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Publication number
CN111011688A
CN111011688A CN201911379605.5A CN201911379605A CN111011688A CN 111011688 A CN111011688 A CN 111011688A CN 201911379605 A CN201911379605 A CN 201911379605A CN 111011688 A CN111011688 A CN 111011688A
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CN
China
Prior art keywords
mulberry leaves
mulberry
powder
supporting
transmission shaft
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.)
Withdrawn
Application number
CN201911379605.5A
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Chinese (zh)
Inventor
李培源
徐玉刚
徐静
许胜�
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Xuancheng Heli Ecological Agriculture Co Ltd
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Xuancheng Heli Ecological Agriculture Co Ltd
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Publication date
Application filed by Xuancheng Heli Ecological Agriculture Co Ltd filed Critical Xuancheng Heli Ecological Agriculture Co Ltd
Priority to CN201911379605.5A priority Critical patent/CN111011688A/en
Publication of CN111011688A publication Critical patent/CN111011688A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/385Concentrates of non-alcoholic beverages
    • A23L2/39Dry compositions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10General methods of cooking foods, e.g. by roasting or frying
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10General methods of cooking foods, e.g. by roasting or frying
    • A23L5/17General methods of cooking foods, e.g. by roasting or frying in a gaseous atmosphere with forced air or gas circulation, in vacuum or under pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The invention discloses a processing technology of mulberry leaf ultrafine powder, which comprises the following specific processing steps: deactivating enzymes of small pieces of folium Mori, rapidly freezing at-18 deg.C for 3-5 hr, freezing, vacuum freezing for 12-18 hr, and controlling the temperature below 50 deg.C and the water content below 8%; adding the freeze-dried mulberry leaves into a common grinder for primary grinding and superfine grinding, and putting the mulberry leaf superfine powder into a powder sterilizer system for UHT sterilization; sieving the sterilized folium Mori micropowder with high efficiency sieving device, packaging, and labeling. After the fresh leaves of the mulberry leaves are subjected to enzyme deactivation, the invention dehydrates the fresh leaves of the mulberry leaves by vacuum freeze drying, the whole dehydration process is in an anaerobic low-temperature process, the mulberry leaves basically do not change color, the fragrance is not lost, the taste is kept fresh and cool, and compared with the existing hot air high-temperature drying dehydration, the product quality is greatly improved.

Description

Processing technology of mulberry leaf ultrafine powder
Technical Field
The invention belongs to the field of mulberry leaf processing, and relates to a processing technology of mulberry leaf ultrafine powder.
Background
The mulberry leaves are leaves of mulberry trees. The mulberry leaves have high nutritive value, and have the reputations of 'heat supplement of ginseng and clear supplement of mulberry leaves' since ancient times. The mulberry leaves are rich in 17 amino acids, crude proteins and crude fats of human bodies, are 'medicinal and edible' plants confirmed by the national ministry of health, are listed as 'one of ten health-care foods in the 21 st century' of human beings by the international food health organization, and become a green new food source for the human beings.
At present, the preparation process of mulberry leaves mainly comprises the following steps of dehydrating and drying fresh mulberry leaves, micronizing the fresh mulberry leaves into superfine powder, and using the superfine powder as a raw material of beverage drinks and food beverages, wherein the current processing technology comprises the following steps: the mulberry leaf fresh leaf → cleaning → slicing → hot air drying and dehydration → ultramicro pulverization → sieving → packaging → irradiation sterilization → labeling → finished product, however, the current product processing technology has the following defects: high-temperature drying dehydration is adopted in the dehydration of fresh leaves of mulberry leaves, so that the color, the aroma and the taste of the product are greatly damaged, the color and the luster can turn yellow and brown, the aroma is lost, and the taste is not fresh and cool; in addition, in the high-temperature hot air drying process, the loss of effective components is serious; meanwhile, the sterilization adopts irradiation sterilization, the product after sterilization has irradiation residue, the product has potential safety hazard, and partial consumers do not accept the food subjected to irradiation sterilization; moreover, some countries strictly restrict the import of food after irradiation sterilization. For the above reasons, this severely limits the market size of mulberry leaves sterilized using irradiation.
Use screening plant to sieve the mulberry leaf after smashing in the course of working, current screening plant realizes the screening through the motor vibration usually, and screening efficiency is low to the reel installation is taken out inconveniently.
Disclosure of Invention
The invention aims to provide a processing technology of mulberry leaf ultrafine powder, after the enzyme deactivation of fresh mulberry leaves, the dehydration is carried out through vacuum freeze drying, the whole dehydration process is in an anaerobic low-temperature process, the mulberry leaves basically do not change color, the fragrance is not lost, the taste is kept fresh and cool, and compared with the existing hot air high-temperature drying dehydration, the product quality is greatly improved.
The purpose of the invention can be realized by the following technical scheme:
a processing technology of mulberry leaf ultrafine powder is characterized by comprising the following specific processing steps:
firstly, deactivating enzymes of small-piece mulberry leaves, then quickly freezing the small-piece mulberry leaves for 3 to 5 hours at a freezing temperature of 18 ℃ below zero, freezing the small-piece mulberry leaves, then putting the frozen mulberry leaves into a vacuum freezing bin, freeze-drying the frozen mulberry leaves for 12 to 18 hours, and discharging the mulberry leaves out of the bin after the whole freeze-drying temperature is controlled to be below 50 ℃ and the moisture of the mulberry leaves is controlled to be below 8 percent;
secondly, adding the freeze-dried mulberry leaves into a common pulverizer for primary pulverization to obtain coarse powder with the fineness of 40-120 meshes;
thirdly, sending the coarse powder after primary crushing into an ultramicro crushing unit for ultramicro crushing to obtain a fine powder product of 300-mesh and 500-mesh;
fourthly, putting the mulberry leaf ultrafine powder into a powder sterilizer system for UHT sterilization;
fifthly, sieving the sterilized mulberry leaf superfine powder by a high-efficiency sieving device, then packaging, boxing and labeling;
the efficient screening device comprises a supporting frame, a transmission shaft is mounted in the middle of the top end of the supporting frame, an eccentric vibration seat and a vibration reinforcing assembly are fixedly mounted in the middle of the transmission shaft, a clamping and fixing mechanism is mounted at the top of the transmission shaft, a material receiving frame is mounted on the clamping and fixing mechanism in a clamping mode, and a screen frame is mounted at the top of the material receiving frame in a sleeved mode;
the eccentric vibration seat comprises a first connecting rod which is sleeved and fixed on the transmission shaft, rotating shafts are respectively installed on two sides of the surface of the first connecting rod, eccentric wheels are installed at two ends of the two rotating shafts, and meanwhile, one ends of the two rotating shafts are respectively connected with the power output end of the small speed reduction motor.
Further, the transmission shaft is installed at the center of the support bottom plate and the support top plate.
Further, braced frame includes supporting baseplate, and supporting baseplate's surface is installed through the support column in four corners and is supported the roof, installs the fixed axle between supporting baseplate and the supporting roof left and right sides.
Further, the subassembly is strengthened in the vibration establishes the second connecting rod of fixing on the transmission shaft including the cover, the articulated shaft is installed at the both ends of second connecting rod, all articulate on the articulated shaft and install the pull rod, the dog is installed to the one end of pull rod, the cover is equipped with vibrating spring on the pull rod simultaneously, the cover is equipped with a fender section of thick bamboo on the pull rod, the lateral wall of a fender section of thick bamboo is opened there is the mounting bar hole, the terminal surface of a fender section of thick bamboo simultaneously installs the piece of drawing, the piece of drawing articulates on the fixed axle, vibrating spring's one end meets with the bobbin base of a fender section of thick bamboo, the other end meets with the terminal surface.
Furthermore, the aperture of the sliding hole is smaller than the diameter of the pulling block by 1-2cm, and the diameter of the pulling block is smaller than the width of the mounting strip hole by 1-2 cm.
Further, press from both sides tight fixed establishment including the installation and fix the cross mount at transmission shaft top face, four equal vertical fixation in end on the surface of cross mount have spacing plate, the lateral wall of spacing plate is opened there is spacing hole, open on the surface of cross mount has the bar slide opening, simultaneously four ends of cross mount slidable mounting respectively have the pressure strip, the lateral wall of pressure strip install with spacing hole complex spacing post, fixation nut is installed to the one end of spacing post simultaneously, the bottom surface body coupling of pressure strip is fixed with bar slide opening complex sliding fixture block, spacing post is gone up the cover and is established and install and press from both sides tight pressure spring simultaneously.
The invention has the beneficial effects that:
1. after the fresh leaves of the mulberry leaves are subjected to enzyme deactivation, the invention dehydrates the fresh leaves of the mulberry leaves by vacuum freeze drying, the whole dehydration process is in an anaerobic low-temperature process, the mulberry leaves basically do not change color, the fragrance is not lost, the taste is kept fresh and cool, and compared with the existing hot air high-temperature drying dehydration, the product quality is greatly improved.
2. The invention uses vacuum freezing for drying, and because of low temperature and oxygen insulation in the vacuum freezing and drying process, the effective nutrient components of the mulberry leaves are not lost basically, and especially the functional components such as vitamins, amino acids, flavonoids, chlorophyll and the like are perfectly reserved.
3. The dried leaves of the mulberry leaves are subjected to superfine grinding to obtain superfine powder, the superfine powder passes through powder UHT sterilization equipment to realize sterilization operation, the sterilization process can enable the product to meet the sanitary requirements of direct drinking and export, and no irradiation residue is generated and no residue of fumigation gas is generated.
4. According to the invention, the efficient screening device is used for screening, two eccentric wheels of the device cause left and right shaking of two ends of the first connecting rod due to the eccentric action in the rotating process, the left and right shaking of two ends of the first connecting rod drives the transmission shaft to shake left and right, and meanwhile, the shaking frequency of the first connecting rod is enhanced through the back and forth vibration of the vibration spring in the vibration enhancement assembly in the left and right shaking process of the first connecting rod, so that the screening efficiency is improved.
5. According to the clamping and fixing mechanism, the pressing plate is compressed, the material receiving frame is placed on the surface of the cross-shaped fixing frame, and after the pressing plate is loosened, the pressing plate is pressed and fixed on the side wall of the material receiving frame through the elastic acting force of the clamping and pressing spring, so that the material receiving frame and the screen frame are convenient to mount and dismount.
6. The material receiving frame is clamped and fixed through the clamping and fixing mechanism, the clamping and fixing of the material receiving frame are realized through the clamping and pressing spring in the clamping and fixing mechanism, the cross-shaped fixing frame is driven to shake in the shaking process of the fixing shaft, the shaking of the clamping and pressing spring is realized in the shaking process of the cross-shaped fixing frame, the material receiving frame is pushed to further shake through the shaking of the clamping and pressing spring, the shaking efficiency of the material receiving frame can be further improved, and the screening efficiency is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a high efficiency screening device of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
FIG. 4 is a schematic view of a vibration enhancing assembly;
FIG. 5 is an exploded view of the partial structure of FIG. 4;
fig. 6 is an exploded view of the partial structure of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a processing technology of mulberry leaf ultrafine powder comprises the following specific processing processes:
firstly, de-enzyming small pieces of mulberry leaves (steam at 100 ℃ for 13 minutes), then quickly freezing for 3-5 hours in a freezing room at-18 ℃, freezing, then entering a vacuum freezing bin, freeze-drying for 12-18 hours, controlling the whole freeze-drying temperature to be below 50 ℃, and discharging the mulberry leaves with moisture below 8%;
secondly, adding the freeze-dried mulberry leaves into a common pulverizer for primary pulverization to obtain coarse powder with the fineness of 40-120 meshes;
thirdly, sending the coarse powder after primary crushing into an ultramicro crushing unit for ultramicro crushing to obtain a fine powder product of 300-mesh and 500-mesh;
fourthly, putting the mulberry leaf ultrafine powder into a powder sterilizer system, and performing UHT sterilization according to the parameters of 120-140 ℃/3-10 seconds;
and fifthly, screening the sterilized mulberry leaf ultrafine powder by a high-efficiency screening device, then packaging, boxing and labeling.
Example 2:
as shown in fig. 1 and 2, the efficient screening device comprises a supporting frame 1, a transmission shaft 2 is installed in the middle of the top end of the supporting frame 1, an eccentric vibration seat 3 and a vibration reinforcing component 4 are installed and fixed in the middle of the transmission shaft 2, a clamping and fixing mechanism 5 is installed at the top of the transmission shaft 2, a material receiving frame 6 is installed on the clamping and fixing mechanism 5 in a clamping mode, and a screen frame 7 is installed at the top of the material receiving frame 6 in a sleeved mode;
the supporting frame 1 comprises a supporting bottom plate 11, a supporting top plate 12 is installed on the surface of the supporting bottom plate 11 through supporting columns at four corners, a fixed shaft 13 is installed between the supporting bottom plate 11 and the left side and the right side of the supporting top plate 12, and a transmission shaft 2 is installed in the centers of the supporting bottom plate 11 and the supporting top plate 12;
as shown in fig. 3, the eccentric vibration seat 3 includes a first connecting rod 31 sleeved and fixed on the transmission shaft 2, two rotating shafts 32 are respectively installed on two sides of the surface of the first connecting rod 31, eccentric wheels 33 are installed on two ends of the two rotating shafts 32, and one end of each of the two rotating shafts 32 is connected to a power output end of a small deceleration motor, so that the two rotating shafts 32 are driven to rotate by the small deceleration motor, the two rotating shafts 32 respectively drive the two eccentric wheels 33 to rotate during rotation, the two eccentric wheels 33 cause the two ends of the first connecting rod 31 to shake left and right due to the eccentric action during rotation, and the two ends of the first connecting rod 31 shake left and right to drive the transmission shaft 2 to shake left;
as shown in fig. 4, 5 and 6, the vibration-reinforcing assembly 4 includes a second connecting rod 41 fixed on the transmission shaft 2 in a sleeved manner, hinge shafts 42 are installed at two ends of the second connecting rod 41, a pull rod 43 is installed on the hinge shafts 42 in a hinged manner, a stopper 44 is installed at one end of the pull rod 43, a vibration spring 45 is sleeved on the pull rod 43, a blocking cylinder 46 is sleeved on the pull rod 43, a mounting strip hole 461 is opened on a side wall of the blocking cylinder 46, a pull block 462 is installed on an end surface of the blocking cylinder 46, the pull block 462 is hinged on the fixed shaft 13, one end of the vibration spring 45 is connected with a cylinder bottom of the blocking cylinder 46, the other end is connected with an end surface of the pull block 462, a sliding hole 463 matched with the pull rod 43 is opened at the cylinder bottom of the blocking cylinder 46, the aperture of the sliding hole 463 is smaller than the diameter 1-2cm of the pull block 462, and the diameter of;
the clamping and fixing mechanism 5 comprises a cross fixing frame 51 which is fixedly arranged on the top end face of the transmission shaft 2, wherein four ends of the surface of the cross fixing frame 51 are vertically fixed with limiting plates 52, the side wall of each limiting plate 52 is provided with a limiting hole 521, the surface of the cross fixing frame 51 is provided with a strip-shaped sliding hole 53, meanwhile, four ends of the cross fixing frame 51 are respectively provided with a pressing plate 54 in a sliding mode, the side wall of each pressing plate 54 is provided with a limiting column 541 matched with the limiting hole 521, one end of each limiting column 541 is provided with a fixing nut, the bottom face of each pressing plate 54 is integrally connected and fixed with a sliding fixture block 542 matched with the strip-shaped sliding hole 53, and meanwhile, the limiting; during installation, the pressing plate 54 is compressed, the material receiving frame 6 is placed on the surface of the cross-shaped fixing frame 51, and after the pressing plate 54 is loosened, the pressing plate 54 enables the pressing plate 54 to be fixedly pressed on the side wall of the material receiving frame 6 through the elastic acting force of the clamping pressure spring 55;
clamping grooves are formed in the periphery of the bottom surface of the screen frame 7, and the top of the material receiving frame 6 is clamped in the clamping grooves;
the specific working process of the high-efficiency screening device is as follows:
firstly, compressing a compression plate 54, then placing the material receiving frame 6 on the surface of a cross-shaped fixed frame 51, and after loosening the compression plate 54, enabling the compression plate 54 to be fixedly pressed on the side wall of the material receiving frame 6 through the elastic acting force of a clamping compression spring 55 by the compression plate 54;
second step, open the little motor that slows down, two axis of rotation 32 rotations of drive through the little motor that slows down, two axis of rotation 32 rotate the in-process and drive two eccentric wheels 33 respectively and rotate, two eccentric wheels 33 are at the rotation in-process because eccentric action causes the both ends of head rod 31 to rock about, rock about the head rod 31 both ends and drive transmission shaft 2 and rock, rock through cross mount 51 when transmission shaft 2 rocks and drive and connect material frame 6 and reel 7 to rock, and then realize that the material in reel 7 sieves.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A processing technology of mulberry leaf ultrafine powder is characterized by comprising the following specific processing steps:
firstly, deactivating enzymes of small-piece mulberry leaves, then quickly freezing the small-piece mulberry leaves for 3 to 5 hours at a freezing temperature of 18 ℃ below zero, freezing the small-piece mulberry leaves, then putting the frozen mulberry leaves into a vacuum freezing bin, freeze-drying the frozen mulberry leaves for 12 to 18 hours, and discharging the mulberry leaves out of the bin after the whole freeze-drying temperature is controlled to be below 50 ℃ and the moisture of the mulberry leaves is controlled to be below 8 percent;
secondly, adding the freeze-dried mulberry leaves into a common pulverizer for primary pulverization to obtain coarse powder with the fineness of 40-120 meshes;
thirdly, sending the coarse powder after primary crushing into an ultramicro crushing unit for ultramicro crushing to obtain a fine powder product of 300-mesh and 500-mesh;
fourthly, putting the mulberry leaf ultrafine powder into a powder sterilizer system for UHT sterilization;
fifthly, sieving the sterilized mulberry leaf superfine powder by a high-efficiency sieving device, then packaging, boxing and labeling;
the efficient screening device comprises a supporting frame (1), wherein a transmission shaft (2) is installed in the middle of the top end of the supporting frame (1), an eccentric vibration seat (3) and a vibration reinforcing assembly (4) are installed and fixed in the middle of the transmission shaft (2), a clamping and fixing mechanism (5) is installed at the top of the transmission shaft (2), a material receiving frame (6) is installed on the clamping and fixing mechanism (5) in a clamping mode, and a screening frame (7) is installed on the top of the material receiving frame (6) in a sleeved mode;
the eccentric vibration seat (3) comprises a first connecting rod (31) which is sleeved and fixed on the transmission shaft (2), rotating shafts (32) are respectively installed on two sides of the surface of the first connecting rod (31), eccentric wheels (33) are respectively installed at two ends of the two rotating shafts (32), and meanwhile one ends of the two rotating shafts (32) are respectively connected with the power output end of the small speed reduction motor.
2. The process for preparing ultra-fine powder of mulberry leaves according to claim 1, wherein the transmission shaft (2) is installed at the center of the supporting bottom plate (11) and the supporting top plate (12).
3. The processing technology of the mulberry leaf ultrafine powder according to claim 1, wherein the supporting frame (1) comprises a supporting bottom plate (11), supporting top plates (12) are mounted on the surface of the supporting bottom plate (11) through four-corner supporting columns, and fixing shafts (13) are mounted between the left side and the right side of the supporting bottom plate (11) and the supporting top plates (12).
4. The processing technology of the mulberry leaf ultrafine powder according to claim 1, wherein the vibration reinforcement component (4) comprises a second connecting rod (41) sleeved and fixed on the transmission shaft (2), two ends of the second connecting rod (41) are provided with hinged shafts (42), the hinged shafts (42) are respectively provided with a pull rod (43) in a hinged manner, one end of each pull rod (43) is provided with a stop block (44), meanwhile, a vibration spring (45) is sleeved on the pull rod (43), a blocking cylinder (46) is sleeved on the pull rod (43), a mounting strip hole (461) is formed in the side wall of the blocking cylinder (46), meanwhile, a pull block (462) is installed on the end face of the blocking cylinder (46), the pull block (462) is hinged on the fixed shaft (13), one end of a vibration spring (45) is connected with the cylinder bottom of the blocking cylinder (46), the other end of the vibration spring is connected with the end face of the pull block (462), and a sliding hole (463) matched with the pull rod (43) is formed in the cylinder bottom of the blocking cylinder (46).
5. The process for preparing ultra-fine powder of mulberry leaves as claimed in claim 4, wherein the diameter of the sliding hole (463) is smaller than the diameter of the pulling block (462) by 1-2cm, and the diameter of the pulling block (462) is smaller than the width of the mounting strip hole (461) by 1-2 cm.
6. The processing technology of the mulberry leaf ultrafine powder according to claim 1, wherein the clamping and fixing mechanism (5) comprises a cross fixing frame (51) which is installed and fixed on the top end face of the transmission shaft (2), four ends of the surface of the cross fixing frame (51) are vertically fixed with limiting plates (52), the side walls of the limiting plates (52) are provided with limiting holes (521), the surface of the cross fixing frame (51) is provided with strip-shaped sliding holes (53), meanwhile, four ends of the cross fixing frame (51) are respectively provided with a pressing plate (54) in a sliding way, the side wall of the pressing plate (54) is provided with a limit post (541) matched with the limit hole (521), meanwhile, a fixing nut is installed at one end of the limiting column (541), a sliding clamping block (542) matched with the strip-shaped sliding hole (53) is fixedly connected to the bottom surface of the pressing plate (54) in an integrated mode, and a clamping pressure spring (55) is installed on the limiting column (541) in a sleeved mode.
CN201911379605.5A 2019-12-27 2019-12-27 Processing technology of mulberry leaf ultrafine powder Withdrawn CN111011688A (en)

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Application Number Priority Date Filing Date Title
CN201911379605.5A CN111011688A (en) 2019-12-27 2019-12-27 Processing technology of mulberry leaf ultrafine powder

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Publication Number Publication Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114468292A (en) * 2022-01-10 2022-05-13 宣城市合力生态农业有限公司 Extraction process of mulberry leaf concentrated solution and ready-to-drink mulberry leaf beverage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114468292A (en) * 2022-01-10 2022-05-13 宣城市合力生态农业有限公司 Extraction process of mulberry leaf concentrated solution and ready-to-drink mulberry leaf beverage

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