CN115053967B - Preparation method of nutritional meal bag based on fat reduction - Google Patents

Preparation method of nutritional meal bag based on fat reduction Download PDF

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CN115053967B
CN115053967B CN202210933064.1A CN202210933064A CN115053967B CN 115053967 B CN115053967 B CN 115053967B CN 202210933064 A CN202210933064 A CN 202210933064A CN 115053967 B CN115053967 B CN 115053967B
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central control
reaction chamber
crushing
preset
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CN115053967A (en
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逯明福
张秀平
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Beijing Doctor Lu Behavioral Medicine Science And Technology Research Institute Co ltd
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Beijing Doctor Lu Behavioral Medicine Science And Technology Research Institute Co ltd
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
    • A23L33/22—Comminuted fibrous parts of plants, e.g. bagasse or pulp
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L25/00—Food consisting mainly of nutmeat or seeds; Preparation or treatment thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/117—Flakes or other shapes of ready-to-eat type; Semi-finished or partly-finished products therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, 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
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/143—Cereal granules or flakes to be cooked and eaten hot, e.g. oatmeal; Reformed rice products
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Mycology (AREA)
  • Botany (AREA)
  • Seeds, Soups, And Other Foods (AREA)

Abstract

The invention relates to a preparation method of a nutritional meal bag based on fat reduction, which comprises the following steps of S1, injecting potato residues into a first crushing and drying chamber, and injecting dried potato residues into a first reaction chamber; s2, injecting water into the first reaction chamber, uniformly stirring the water and the potato residues to form a potato residue liquid, and injecting mixed enzyme and neutral protease; s3, cooling and filtering the potato residue liquid subjected to the secondary enzyme treatment, and injecting filter residues into a second crushing and drying chamber to crush and dry dietary fibers to form the dietary fibers; s4, injecting dietary fibers into a second reaction chamber, heating and gelatinizing the dietary fibers with resistant dextrin, oatmeal, chia seeds and psyllium powder to form mixed paste, cooling, injecting skimmed milk powder, fructo-oligosaccharide, virgin coconut oil, concentrated whey protein and the mixed paste into the second reaction chamber, and stirring to form a mixture; and S5, pumping the mixture into a second crushing and drying chamber for drying, and subpackaging the mixture meeting the standard to form the nutritional meal packet.

Description

Preparation method of nutritional meal bag based on fat reduction
Technical Field
The invention relates to the field of nutritional buns, in particular to a preparation method of a nutritional bun based on fat reduction.
Background
With the continuous improvement of physical life, obesity, hypertension, hyperlipidemia and cardiovascular and cerebrovascular diseases become topics which are frequently appeared when people talk about health, wherein the obesity problem caused by irregular life style, diet and the like not only affects the body health, but also affects the work life, and the main methods for losing weight at present comprise: exercise promotes fat consumption, promotes fat burning by means of fat burning factors, food inhibitors, and the like. However, as the life rhythm of modern urban people is fast, and time and energy are lacked, the exercise for losing weight is generally difficult to persist; fat burning factors, such as L-carnitine, are effective only when being matched with sports, otherwise, the fat burning factors are metabolized and discharged by the body; most of the food inhibitors are unscientific in formula, so that malnutrition is easily caused while weight is reduced, and hidden troubles are brought to body health. Therefore, providing a nutritional meal bag which can satisfy satiety and provide daily nutrition becomes a new paradigm of fat reduction.
Chinese patent CN111938161A discloses a weight-reducing meal replacement nutrition fee and a production process thereof, which is beneficial to reducing weight but not unbalanced nutrition of eaters by using materials with nutritional components, the production process comprises dividing the materials into plant fruit raw materials and synthetic powder raw materials, wherein the plant fruit raw materials are ground by a wet method to replace starch, and the plant fruit raw materials are crushed after microwave puffing and then mixed with the synthetic powder raw materials to obtain a product with better uniformity, but still solves the technical problem of how to improve the particle size of main raw materials in a nutrition meal bag.
Disclosure of Invention
Therefore, the invention provides a preparation method of a nutrition meal bag based on fat reduction, which can solve the technical problem that the particle size of main raw materials of the nutrition meal bag can not be controlled according to the adjustment of the crushing and drying degree so as to enable the nutrition meal bag to meet the standard.
In order to achieve the above object, the present invention provides a method for preparing a nutritional diet based on fat reduction, comprising:
step S1, potato residues are injected into a first crushing and drying chamber, a first supporting mechanism in the first crushing and drying chamber supports the potato residues on a first screen, the first crushing mechanism is started to crush the potato residues, after crushing, the first supporting mechanism is separated from the screen, the potato residues with qualified particle sizes stay on the first supporting plate to be dried, and the dried potato residues are injected into a first reaction chamber;
step S2, injecting water into the first reaction chamber, uniformly stirring the water and the potato residues to form potato residue liquid, injecting mixed enzyme, heating the first reaction chamber to perform primary enzyme treatment on the potato residue liquid, injecting neutral protease into the first reaction chamber after the potato residue liquid is cooled to a preset temperature, uniformly stirring, and heating the first reaction chamber again to perform secondary enzyme treatment on the potato residue liquid;
s3, cooling and filtering the potato residue liquid after the secondary enzyme treatment, injecting filter residues into a second crushing and drying chamber to crush and dry dietary fibers to form the dietary fibers, wherein the second crushing and drying chamber is provided with a detection mechanism used for acquiring the qualification rate of the dietary fibers, and when the qualification rate of the dietary fibers does not meet a preset standard, a central control unit improves the rotation speed of the second crushing mechanism of the second crushing and drying chamber, improves the rotation speed of the first crushing mechanism of the step S1 and prolongs the time of the primary enzyme treatment and the secondary enzyme treatment of the step S2;
s4, injecting dietary fibers into a second reaction chamber, heating and gelatinizing the dietary fibers with resistant dextrin, oatmeal, chia seeds and psyllium powder to form mixed paste, cooling, injecting skimmed milk powder, fructo-oligosaccharide, virgin coconut oil, concentrated whey protein and the mixed paste into the second reaction chamber, and stirring to form a mixture, wherein a central control unit obtains a gelatinizing curve of the mixed paste according to the viscosity of the mixed paste in each time period, and adjusts the stirring rate of the second reaction chamber and the rotation rate of a second crushing mechanism in the step S3 according to the gelatinizing curve;
and S5, pumping the mixture into a second crushing and drying chamber for drying, and subpackaging the mixture meeting the standard to form the nutritional meal packet.
Further, in the step S3, the detecting mechanism includes a first weight sensor disposed on the second screen and a second weight sensor disposed on the second support plate, the detecting mechanism obtains a total extract amount M of dietary fiber according to an extract amount M1 of dietary fiber with unqualified particle size obtained by the first weight sensor and an extract amount M2 of dietary fiber with qualified particle size obtained by the second weight sensor, M = M1+ M2 is set, the central control unit compares the obtained total extract amount M of dietary fiber with a preset total extract amount M, and adjusts the cooling efficiency and the enzyme treatment time of the step S2, wherein,
when M is less than or equal to M1, the central control unit increases the rotation speed v1 to v11 of the first crushing mechanism in the step S1, and simultaneously prolongs the time of primary enzyme treatment and the time of secondary enzyme treatment;
when M1 is more than M and less than M2, the central control unit increases the rotation speed v1 to v11 of the first crushing mechanism in the step S1;
when M is larger than or equal to M2, the central control unit judges that the total extraction amount of the dietary fiber meets the standard, and determines whether the current crushing degree of the dietary fiber meets the standard according to the qualified rate of the dietary fiber;
the central control unit presets a total extraction amount M, and sets a first preset total extraction amount M1 and a second preset total extraction amount M2.
Further, when the central control unit judges that the total extraction amount of the dietary fiber meets the standard, the detection mechanism acquires the qualification rate of the dietary fiber, and sets the qualification rate of the dietary fiber to be delta m = m2/m, the central control unit judges whether the crushing degree of the dietary fiber meets the standard or not according to the comparison between the acquired qualification rate of the dietary fiber and the preset qualification rate, wherein,
when the delta M is less than or equal to the delta M1, the central control unit judges that the crushing degree of the current dietary fiber does not meet the standard, and the central control unit increases the rotation speed v2 to v21 of the second crushing mechanism;
when the delta M1 is smaller than the delta M and smaller than the delta M2, the central control unit judges that the crushing degree of the current dietary fiber does not meet the standard, and the central control unit increases the rotating speed v to v22 of the second crushing mechanism;
when the delta M is more than or equal to the delta M2, the central control unit judges that the crushing degree of the current dietary fiber meets the standard;
the central control unit presets a qualified rate delta M, and sets a first preset qualified rate delta M1 and a second preset qualified rate delta M2.
Further, in the step S4, the central control unit draws a pasting curve according to the real-time viscosity of the mixed paste at each time, the central control unit obtains the slope K1 of the pasting curve at the current time, compares the slope K with the preset pasting standard curve of the central control unit, and adjusts the stirring rate and the heating temperature of the second reaction chamber, wherein,
when K1 is less than or equal to K-delta K, the central control unit increases the heating temperature w of the second reaction chamber to w1;
when K-delta K is less than K1 and less than K plus delta K, the central control unit judges that the heating temperature of the second reaction chamber is not adjusted;
when K1 is more than or equal to K plus delta K, the central control unit reduces the heating temperature w of the second reaction chamber to w2;
where Δ k is a predetermined slope error.
Further, the central control unit presets a second reaction chamber heating temperature W, the central control unit compares the adjusted second reaction chamber heating temperature with the preset second reaction chamber heating temperature, and adjusts the stirring rate of the second reaction chamber, wherein,
when wj is less than or equal to W1, the central control unit judges that the stirring speed of the second reaction chamber is reduced;
when W1 is more than wj and less than W2, the central control unit does not adjust the stirring speed of the second reaction chamber;
when wj is larger than or equal to W2, the central control unit judges that the heating temperature of the second reaction chamber is set as W2, and simultaneously improves the stirring speed of the second reaction chamber;
the central control unit presets a heating temperature W, sets a first preset heating temperature W1 and a second preset heating temperature W2.
Further, when the central control unit obtains that the viscosity Y at the current time point is greater than or equal to the preset viscosity reference value Y0, the central control unit compares the obtained slope change degree d with the preset change degree to judge whether the gelatinization stage is finished, wherein,
when D is less than or equal to D1, the central control unit judges that the current gelatinization stage is finished, and the second reaction chamber is cooled;
when D1 is greater than D and less than D2, the central control unit judges that the current gelatinization stage is continued, prolongs the gelatinization time t to t1, and sets t1= t + (D2-D) x (D-D1)/(D1 × D2);
when D is larger than or equal to D2, the central control unit judges that the current gelatinization stage is continued, prolongs the gelatinization time t to t2, and sets t2= t +0.5 x (D-D2)/D2;
the central control unit presets a variation degree D, sets a first preset variation degree D1, and sets a second preset variation degree D2, wherein t is the current time point.
Further, the central control unit acquires a slope k1 of the gelatinization curve at the current time point and a slope k0 of the gelatinization curve at the last time point to acquire a slope change degree d, and sets d = (k 1-k 0)/k 0.
Further, when the central control unit obtains the slope change degree which is greater than or equal to a second preset change degree, the central control unit adjusts the rotation speed of the second crushing mechanism in the second crushing and drying chamber in the step S3 according to the slope change degree, wherein,
when d is less than or equal to Dmax, the central control unit reduces the rotation speed v2q to v2q1 of the second crushing mechanism, and sets v2q1= v2q x (1-0.5 x (Dmax-d)/Dmax);
when d is larger than or equal to Dmax, the central control unit reduces the rotation speed v2q to v2q2 of the second crushing mechanism, and sets v2q2= v2q (1-0.75 x (d-Dmax)/Dmax);
wherein q =1,2.
Further, the first crushing mechanism comprises a first telescopic unit for controlling the distance between the first crusher and the first screen, the second crushing mechanism comprises a second telescopic unit for controlling the distance between the second crusher and the second screen, the central control unit is provided with a stirring speed limit value Vrmin and Vrmax, wherein,
when vr' is more than or equal to Vrmax, the central control unit sets the current stirring speed to Vrmax and shortens the distance between the current crusher and the r-th screen;
when Vrmin is less than Vrr' < Vrmax, the central control unit does not adjust the distance between each pulverizer and the screen;
when vr' is less than or equal to Vrmin, the central control unit sets the current stirring speed to Vrmin and enlarges the distance between the current pulverizer and the r-th screen;
the central control unit presets a first limit value V1min of a first crushing mechanism stirring speed, a second limit value V1max of the first crushing mechanism stirring speed, a first limit value V2min of a second crushing mechanism stirring speed, a second limit value V2max of the second crushing mechanism stirring speed, and r =1,2.
Furthermore, each crushing and drying chamber inner wall is provided with a heating and drying mechanism, when the central control unit judges that the material to be dried on each supporting mechanism is dried, the central control unit controls each supporting mechanism to slide along each sliding mechanism so as to uniformly dry the material to be dried, and the central control unit adjusts the sliding speed of each supporting mechanism according to the current drying temperature g, wherein,
when gr is less than or equal to G1, the central control unit reduces the sliding speed of each supporting mechanism;
when G1 is more than gr and less than G2, the central control unit does not adjust the sliding speed of each supporting mechanism;
when gr is larger than or equal to G2, the central control unit improves the sliding speed of each supporting mechanism;
the central control unit presets a drying temperature G, sets a first preset drying temperature G1 and a second preset drying temperature G2.
Compared with the prior art, the nutritional steamed stuffed bun has the beneficial effects that the dietary fibers are prepared by carrying out enzymolysis on potato residues, the rotation speed of the second crushing mechanism of the second crushing and drying chamber is controlled to control the particle size of the currently prepared dietary fibers within a preset range, the cooling efficiency and the processing time in the enzymolysis processing process are controlled simultaneously, so that the particle size of the next dietary fiber meets the standard, the dietary fibers with the particle sizes meeting the standard, resistant dextrin, oatmeal, chia seeds and psyllium seed powder are cooked to form mixed paste, the stirring speed of the second reaction chamber is adjusted according to the gelatinization degree of the mixed paste so that the gelatinization degree of the current mixed paste meets the standard, the rotation speed of the second crushing mechanism in the step S3 is adjusted simultaneously, so that the gelatinization process of the next mixed paste meets the standard, and the mixture formed by stirring and drying the cooled mixed paste by injecting skimmed milk powder, fructo-oligosaccharide, virgin coconut oil and concentrated protein is filled into the nutritional steamed stuffed bun to prepare the nutritional steamed stuffed bun.
In particular, the invention is provided with a detection mechanism, the sum of the weight of the dietary fiber on the second screen and the weight of the dietary fiber on the second support plate which are respectively obtained is the total extraction amount of the dietary fiber, the central control unit evaluates whether the extraction of the dietary fiber in the step S2 meets the standard or not through the total extraction amount of the dietary fiber obtained by the detection mechanism, wherein when the total extraction amount of the dietary fiber is less than or equal to a first preset total extraction amount, which indicates that the extraction of the dietary fiber is too low in the step S2, the central control unit increases the raw material amount of the step S2 by simultaneously increasing the rotation rate of the first crushing mechanism in the step S1, simultaneously prolongs the time of two enzyme reactions, greatly increases the extraction amount of the dietary fiber, when the total extraction amount of the dietary fiber is between the first preset total extraction amount and a second preset total extraction amount, which indicates that the extraction amount of the dietary fiber in the step S2 is slightly low, the central control unit determines that the rotation rate of the first crushing mechanism in the step S1 is increased to increase the extraction amount of the dietary fiber, and when the total extraction amount of the dietary fiber is greater than or equal to a second preset total extraction amount, which indicates that the current dietary fiber meets the standard, and the central control unit determines that the dietary fiber yield is qualified condition through the dietary fiber.
In particular, the invention is provided with a detection mechanism, the weight of dietary fiber on the second support plate is taken as the dietary fiber amount with qualified particle size, the ratio of the dietary fiber amount with qualified particle size to the total extraction amount of the dietary fiber is taken as the dietary fiber qualification rate, the central control unit obtains the dietary fiber qualification rate and compares the dietary fiber qualification rate with the preset qualification rate to determine whether the crushing degree of the dietary fiber meets the standard, wherein the central control unit obtains the dietary fiber qualification rate which is less than or equal to the first preset qualification rate and indicates that the extraction amount of the dietary fiber with qualified particle size currently accounts for too low the total extraction amount of the dietary fiber, the central control unit increases the rotation speed of the second crushing mechanism to enable the particle size of the dietary fiber staying on the screen to meet the standard, the central control unit obtains the dietary fiber qualification rate which is between the first preset qualification rate and the second preset qualification rate and indicates that the extraction amount of the dietary fiber with qualified particle size currently accounts for a little low total extraction amount of the dietary fiber, and the central control unit slightly increases the rotation speed of the second crushing mechanism to enable the particle size of the dietary fiber staying on the screen to meet the standard until the qualification rate of the dietary fiber obtained by the central control unit.
The central control unit is used for determining whether the viscosity of the current mixed paste meets the standard or not according to the drawn current mixed paste-gelatinization curve, wherein the slope of the current mixed paste-gelatinization curve obtained by the central control unit is smaller than or equal to the difference between the slope of the current time point of the gelatinization standard curve and the slope error, which indicates that the current viscosity change of the current mixed paste is low, the central control unit is used for increasing the heating temperature of the second reaction chamber to increase the viscosity change rate of the mixed paste, the slope of the current mixed paste-gelatinization curve obtained by the central control unit is within the range of the gelatinization standard curve and the slope error, which indicates that the viscosity change of the current mixed paste meets the standard, the central control unit is not used for adjusting the heating temperature in the second reaction chamber, the central control unit is used for obtaining the slope of the current time point of the mixed paste which is larger than or equal to the sum of the standard curve and the slope error, which indicates that the viscosity change of the current mixed paste meets the standard, the central control unit is used for not adjusting the heating temperature in the second reaction chamber, and the gelatinization temperature of the mixed paste is reduced, so as to avoid the gelatinization material to be cooked quickly.
Particularly, the heating temperature of the second reaction chamber is set, the adjusted heating temperature is compared with the preset heating temperature, the stirring speed of the second reaction chamber is adjusted, firstly, the gelatinization speed is controlled, secondly, the temperature is prevented from being too high, the mixing and gelatinization are not uniform due to non-uniform stirring, thirdly, the temperature is prevented from being too low, and part of materials are prevented from being heated non-uniformly due to too-high stirring, wherein when the heating temperature of the second reaction chamber after being adjusted is less than or equal to the first preset heating temperature obtained by the central control unit, the current temperature is lower, in order to prevent the materials to be cooked from being heated non-uniformly due to too high stirring speed and further prevent the gelatinization degree of the materials from being uniform, the central control unit reduces the stirring speed of the second reaction chamber, when the heating temperature of the second reaction chamber after being adjusted is between the first preset heating temperature and the second preset heating temperature obtained by the central control unit, the current heating temperature is controllable within a controllable range, the central control unit does not adjust the stirring speed of the second reaction chamber, and the heating temperature of the second reaction chamber after being adjusted is greater than or equal to the second preset heating temperature, and the materials to be cooked are prevented from being heated, and the stirring speed is controlled and deformed, so that the materials to be cooked are mixed and uniformly mixed.
Particularly, the invention is provided with a viscosity reference value for evaluating whether the viscosity of the mixed paste is about to reach the standard, when the viscosity of the mixed paste is about to reach the standard, the central control unit determines the gelatinization degree according to the slope change degree of the adjacent time period, wherein the slope change degree of the adjacent time period is less than or equal to a first preset change degree, which indicates that the current viscosity is not changed too much, the gelatinization stage is stable, and the gelatinization degree is high, the central control unit determines to finish the current gelatinization stage, starts to start a cooling system to cool the second reaction chamber, the central control unit determines that the slope change degree of the adjacent time period is between the first preset change degree and a second preset change degree, which indicates that the viscosity of the current mixed paste is not changed much, and then enters the gelatinization stable stage, the central control unit determines to prolong the gelatinization time, and defines the gelatinization stage, the slope change degree of the adjacent time period is greater than or equal to the second preset change degree, which indicates that the current viscosity is changed in a very large space, and the central control unit prolongs the gelatinization time, so that the gelatinization degree is about to meet the standard.
Particularly, the control unit acquires that the slope change degree is more than or equal to a second preset change degree, and proves that the current mixture has a rising trend under the condition that the viscosity is about to reach the standard, so that the current gelatinization has certain problems, and the gelatinization problem is caused because the particle size of the dietary fiber in the preorder step is too low, so that the viscosity of the mixed paste is too high, and therefore, the central control unit determines to adjust the rotation rate of the second crushing mechanism through the slope change degree so as to improve the particle size of the dietary fiber.
Particularly, each crushing mechanism is provided with a telescopic unit for controlling the distance between the crusher and the drying net, the stirring speed can not reach the condition of adjusted parameters by controlling the distance between the crusher and the screen, specifically, the stirring speed acquired by the central control unit is less than or equal to a preset first limit value of each crushing mechanism, which indicates that the stirring speed after current adjustment is too low, the central control unit enlarges the gap between the crusher and the screen to compensate the stirring degree of which the stirring speed does not reach a preset minimum value, the stirring speed acquired by the central control unit is more than or equal to a preset second limit value of each crushing mechanism, which indicates that the stirring speed after current adjustment is too high, and the central control unit reduces the gap between the crusher and the screen to compensate the stirring degree of which the stirring speed does not reach a preset maximum value.
Particularly, the invention controls the movement of the supporting mechanism through the arranged specific heating and drying structure and the sliding mechanism for controlling the movement of the supporting mechanism, so that the drying is uniform, the effect of stirring the drying temperature in the crushing and drying chamber is achieved, the sliding speed is adjusted through the drying temperature and the preset temperature, so that the material to be dried is dried uniformly, and the drying efficiency is improved, wherein if the current drying temperature is less than or equal to the first preset drying temperature, the central control unit reduces the sliding speed of the supporting mechanism, so that the problem that the drying effect is poor due to the excessively fast sliding speed is avoided, and if the current drying temperature is greater than or equal to the second preset drying temperature, the central control unit improves the sliding speed of the supporting mechanism, so that the drying temperature in the crushing and drying chamber is kept at the temperature, and the problem that the drying is excessive due to the excessively high temperature is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a fat-reducing nutritional bun making device according to an embodiment of the invention;
FIG. 2 is a schematic view of a first pulverizing and drying chamber according to an embodiment of the present invention;
FIG. 3 is a schematic view of the first reaction chamber and filter chamber of the embodiment of the invention;
FIG. 4 is a schematic diagram of a method for making a fat-reduced nutritional bun according to an embodiment of the invention;
FIG. 5 is a diagram of a gelatinization curve in an embodiment of the invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, there is shown a schematic structural diagram of a fat-reduced nutritional bun making apparatus according to an embodiment of the present invention, including,
the first crushing and drying chamber 1 is used for crushing and drying the potato residues;
the first reaction chamber 2 is connected with the first crushing and drying chamber and is used for carrying out enzymolysis reaction on the potato dregs;
a second crushing and drying chamber 3 connected with the first reaction chamber and used for crushing and drying the dietary fiber;
and the second reaction chamber 4 is connected with the second crushing and drying chamber and is used for gelatinizing the dietary fibers with qualified particle sizes, the resistant dextrin, the oatmeal, the chia seeds and the plantain seed powder to form mixed paste, and stirring the mixed paste, the skimmed milk powder, the fructo-oligosaccharide, the virgin coconut oil and the concentrated whey protein to form the nutritional meal packet.
Please refer to fig. 2, which is a schematic diagram of a first pulverizing and drying chamber according to an embodiment of the present invention, including a first pulverizing mechanism disposed at the top of the first pulverizing and drying chamber, a first heating and drying mechanism 105 disposed on the inner wall of the first pulverizing and drying chamber, a first support mechanism disposed at the bottom of the first pulverizing and drying chamber, and a first sliding mechanism controlling the drying position of the first support mechanism, wherein the first pulverizing mechanism includes a first pulverizer 104, a first motor 103 controlling the rotation rate of the first pulverizer, a second motor 102 controlling the distance between the first pulverizer and a first screen 106, the first pulverizer further includes a plurality of protrusions for accelerating pulverizing, the first support mechanism includes a first heater 107 disposed above the first support plate 108, a first lantern ring 110 connected to the first sliding mechanism, a second lantern ring connected to the second sliding mechanism, and a third motor 115 controlling the movement rate of the first support plate, the first sliding mechanism includes a first heater 107 disposed on one side of the inner wall of the first pulverizing and drying chamber, a first lantern ring 110 connected to the first slide rod 111 for controlling the movement of the first set, a fourth slide rod 111 for controlling the movement of the second slide rod, and a discharge port for discharging potato residue from the first pulverizing and drying chamber, and discharging the potato residue from the second drying chamber, and discharging the first slide rod 112 for discharging the drying chamber, and discharging the potato residue from the first drying chamber.
Please refer to fig. 3, which is a schematic structural diagram of a first reaction chamber and a filtering chamber according to an embodiment of the present invention, the first reaction chamber includes a first stirrer 24 and a sixth motor 23 for controlling a stirring rate of the first stirrer, the first reaction chamber further includes a second feeding port 21 and a third feeding port 22, wherein the second feeding port is used for injecting water into the first reaction chamber, the second feeding port is used for injecting mixed enzyme and neutral protease into the first reaction chamber, the filtering chamber includes a third screen 53, which is used for separating filter residue from filtrate in potato residue liquid injected into the filtering chamber through the second discharging port 51 after enzyme treatment, and is used for pushing the filter residue to a pushing mechanism 52 of the second crushing and drying chamber, and the filtering chamber further includes a third discharging port 54, which is used for recovering the filtrate.
When in use, potato residues are injected into a first crushing and drying chamber through a first feed port, a first support mechanism pushes a first support plate to the lower part of a screen under the control of a fourth motor and a fifth motor, a second motor controls the distance between a crusher and the screen to a preset distance, the first motor controls the crusher to rotate to crush the potato residues on the screen, wherein the aperture of the first screen is 300-800 mu m, the crushed potato residues with qualified particle sizes fall onto the first support plate through the first screen after crushing, the first heating and drying mechanism heats and dries the potato residues on the first support plate until the water content of the potato residues on the first support plate meets the standard, the fourth motor and the fifth motor control the support plate to form a certain inclination angle, and the potato residues are injected into a first reaction chamber through a second discharge port; injecting water into a first reaction chamber, starting a first stirrer to stir water and potatoes, then injecting mixed enzyme into the first reaction chamber, after the first stirrer continuously stirs for 1-2 hours, increasing the temperature of the first reaction chamber to 80-100 ℃, continuously stirring for 0.5-1 hour, cooling the temperature of the first reaction chamber to 50-60 ℃, injecting neutral protease into the first reaction chamber, after the first stirrer continuously stirs for 1-2 hours, increasing the temperature of the first reaction chamber to 80-100 ℃, continuously stirring for 0.5-1 hour, cooling, injecting potato residues into a filter chamber after two times of enzymolysis, and pushing filter residues to a second crushing and drying chamber by a pushing mechanism in the filter chamber to crush and dry dietary fibers; after the dietary fibers are injected into the second grinding and drying chamber, the second supporting mechanism moves to the position below the second screen mesh for supporting, the second grinding mechanism is started to grind the dietary fibers on the second screen mesh, the dietary fibers with the particle sizes meeting the standard fall onto the second supporting mechanism, wherein the aperture of the first screen mesh is 75-300 mu m, the second heating and drying mechanism is started to dry the dietary fibers with the qualified particle sizes on the second supporting mechanism, and the dietary fibers meeting the standard are injected into the second reaction chamber through a discharge hole of the second grinding and drying chamber; injecting resistant dextrin, oatmeal, chia seed and psyllium seed powder into a second reaction chamber, starting a second stirrer, simultaneously heating the temperature of the second reaction chamber to 90-100 ℃ until the viscosity of the mixed paste meets the standard, cooling the temperature of the second reaction chamber to 50-60 ℃, injecting skimmed milk powder, fructo-oligosaccharide, coconut oil and concentrated whey protein into the second reaction chamber, and continuously stirring until the temperature is reduced to room temperature; pumping the stirred mixture into a second crushing and drying chamber, crushing and drying the mixture, wherein the steps are the same as the crushing and drying process of the dietary fiber; the produced mixture is subpackaged and packaged to form the nutritional meal bag.
Please refer to fig. 4, which is a schematic diagram of a method for preparing a fat-reduced nutritional bun according to an embodiment of the present invention, including,
step S1, potato residues are injected into a first crushing and drying chamber, a first supporting mechanism in the first crushing and drying chamber supports the potato residues on a first screen, the first crushing mechanism is started to crush the potato residues, after crushing, the first supporting mechanism is separated from the screen, the potato residues with qualified particle sizes stay on the first supporting plate to be dried, and the dried potato residues are injected into a first reaction chamber;
step S2, injecting water into the first reaction chamber, uniformly stirring the water and the potato residues to form potato residue liquid, injecting mixed enzyme, heating the first reaction chamber to perform primary enzyme treatment on the potato residue liquid, injecting neutral protease into the first reaction chamber after the potato residue liquid is cooled to a preset temperature, uniformly stirring, and heating the first reaction chamber again to perform secondary enzyme treatment on the potato residue liquid;
s3, cooling and filtering the potato residue liquid after the secondary enzyme treatment, injecting filter residues into a second crushing and drying chamber to crush and dry dietary fibers to form the dietary fibers, wherein the second crushing and drying chamber is provided with a detection mechanism used for acquiring the qualification rate of the dietary fibers, and when the qualification rate of the dietary fibers does not meet a preset standard, a central control unit improves the rotation speed of the second crushing mechanism of the second crushing and drying chamber, improves the rotation speed of the first crushing mechanism of the step S1 and prolongs the time of the primary enzyme treatment and the secondary enzyme treatment of the step S2;
s4, injecting dietary fibers into a second reaction chamber, heating and gelatinizing the dietary fibers with resistant dextrin, oatmeal, chia seeds and psyllium powder to form mixed paste, cooling, injecting skimmed milk powder, fructo-oligosaccharide, virgin coconut oil, concentrated whey protein and the mixed paste into the second reaction chamber, and stirring to form a mixture, wherein a central control unit obtains a gelatinizing curve of the mixed paste according to the viscosity of the mixed paste in each time period, and adjusts the stirring rate of the second reaction chamber and the rotation rate of a second crushing mechanism in the step S3 according to the gelatinizing curve;
and S5, pumping the mixture into a second crushing and drying chamber for drying, and subpackaging the mixture meeting the standard to form the nutritional meal packet.
Specifically, in the embodiment of the invention, the mixed enzyme in the step S2 is alpha-amylase and glucoamylase, wherein the enzyme activity of the alpha-amylase is 35000-45000u/ml, the enzyme activity of the glucoamylase is 100000-110000u/ml, and the mass ratio of the alpha-amylase: 1% saccharifying enzyme, 3%, wherein the added mass of the mixed enzyme is 0.1% -0.5% of the mixed mass of the potatoes and the water, the enzyme activity of the neutral protease is 160000-170000u/ml, and the added amount of the mixed enzyme is 0.01-0.05% of the mixed mass of the potatoes and the water.
Specifically, in the nutritional steamed bread in the embodiment of the invention, 25-45 parts of potato dietary fiber, 5-8 parts of resistant dextrin, 15-30 parts of oatmeal, 4-20 parts of chia seed, 4-20 parts of Plantago ovata seed powder, 5-8 parts of skimmed milk powder, 8-12 parts of fructo-oligosaccharide, 10-15 parts of freshly-pressed coconut oil and 10-15 parts of concentrated whey protein are used.
Specifically, the embodiment of the invention uses the nutritional meal pack for 1234 obese users, wherein 664 people are taken as a conditioning group, 365 men and 299 women are taken at an average age of 45.27 +/-9.84 years, 570 people are taken as a control group, 329 men and 241 women are taken at an average age of 45.47 +/-9.29 years, the nutritional meal pack is taken instead of breakfast in the conditioning group, the control group normally takes breakfast, and after 3 months, 364 overweight and obese people are taken before conditioning, wherein 89 overweight people, 275 obese people, 96 obese people after intervention, 70 overweight people and 198 people return to normal weight. The conditioning group data changes are shown in table one, and the control group data changes are shown in table two;
Figure 288457DEST_PATH_IMAGE001
Figure 152508DEST_PATH_IMAGE002
specifically, the method comprises the steps of preparing dietary fibers by carrying out enzymolysis on potato residues, controlling the rotation speed of a second crushing mechanism of a second crushing and drying chamber to control the particle size of the currently prepared dietary fibers within a preset range, controlling the cooling efficiency and the treatment time in the enzymolysis treatment process to enable the particle size of the next dietary fiber to meet the standard, cooking the dietary fibers with the particle size meeting the standard, resistant dextrin, oatmeal, chia seeds and psyllium seed powder to form a mixed paste, adjusting the stirring speed of a second reaction chamber according to the gelatinization degree of the mixed paste to enable the gelatinization degree of the current mixed paste to meet the standard, adjusting the rotation speed of the second crushing mechanism in the step S3 to enable the gelatinization process of the next mixed paste to meet the standard, injecting a mixture formed by stirring and drying defatted milk powder, fructo-oligosaccharide, virgin coconut oil and concentrated whey protein into the cooled mixed paste, and packaging the mixture into a nutritional meal bag.
Wherein, in the step S3, the detection mechanism comprises a first weight sensor arranged on the second screen and a second weight sensor arranged on the second support plate, the detection mechanism obtains the total extraction amount M of the dietary fiber according to the extraction amount M1 of the dietary fiber with unqualified particle diameter obtained by the first weight sensor and the extraction amount M2 of the dietary fiber with qualified particle diameter obtained by the second weight sensor, M = M1+ M2 is set, the central control unit compares the obtained total extraction amount M of the dietary fiber with the preset total extraction amount M, and adjusts the cooling efficiency and the enzyme treatment time in the step S2, wherein,
when M ≦ M1, the center control unit increases the rotation rate v1 to v11 of the first pulverizing mechanism in step S1, sets v11= v1 × (1 + (M1-M)/M1), while extending the primary enzyme treatment time t1 to t11, sets t11= t1 × (1 + (M1-M)/M1), and extends the secondary enzyme treatment time t2 to t21, sets t21= t1 × (1 + (M1-M)/M1);
when M1 < M2, the center control unit increases the rotation speed v1 to v11 of the first crushing mechanism in step S1, setting v11= v1 × (1 + (M2-M) × (M-M1)/(M1 × M2));
when M is larger than or equal to M2, the central control unit judges that the total extraction amount of the dietary fibers meets the standard, and determines whether the current crushing degree of the dietary fibers meets the standard or not according to the qualification rate of the dietary fibers;
the central control unit presets a total extraction amount M, and sets a first preset total extraction amount M1 and a second preset total extraction amount M2.
Specifically, in the embodiment of the invention, each enzymolysis time is the time of continuously stirring and reacting after the enzyme preparation is added.
Specifically, the detection mechanism is arranged, the sum of the weight of the dietary fiber on the second screen and the weight of the dietary fiber on the second support plate which are respectively obtained is the total extraction amount of the dietary fiber, the central control unit evaluates whether the extraction of the dietary fiber in the step S2 meets the standard or not through the total extraction amount of the dietary fiber obtained by the detection mechanism, wherein when the total extraction amount of the dietary fiber is less than or equal to a first preset total extraction amount, the extraction of the dietary fiber is indicated to be too low in the step S2, the central control unit increases the raw material amount of the step S2 by simultaneously increasing the rotation speed of the first crushing mechanism in the step S1, the time of two times of enzyme reaction is prolonged, the extraction amount of the dietary fiber is greatly increased, when the total extraction amount of the dietary fiber is between the first preset total extraction amount and a second preset total extraction amount, the extraction amount of the dietary fiber in the step S2 is indicated to be slightly low, the central control unit determines that the rotation speed of the first crushing mechanism in the step S1 is increased to increase the extraction amount of the dietary fiber, and when the total extraction amount of the dietary fiber is greater than or equal to the second preset total extraction amount, the current dietary fiber, and the central control unit determines that the dietary fiber is qualified condition through the dietary fiber extraction rate.
When the central control unit judges that the total extraction amount of the dietary fibers meets the standard, the detection mechanism acquires the qualification rate of the dietary fibers, and sets the qualification rate of the dietary fibers to be delta m = m2/m, and the central control unit judges whether the crushing degree of the dietary fibers meets the standard or not according to the comparison between the acquired qualification rate of the dietary fibers and the preset qualification rate, wherein,
when the delta M is less than or equal to the delta M1, the central control unit judges that the crushing degree of the current dietary fiber does not meet the standard, the central control unit increases the rotation speed v2 to v21 of the second crushing mechanism, and sets v21= v2 x (1 + (. DELTA M1-delta M)/. DELTA.M 1);
when the delta M1 is less than delta M and less than delta M2, the central control unit judges that the crushing degree of the current dietary fiber does not meet the standard, the central control unit increases the rotation speed v to v22 of the second crushing mechanism, and sets v22= v2 x (1 +0.75 x ([ delta ] M- [ delta ] M1) × ([ delta ] M2- [ delta ] M)/([ delta ] M1 x [ delta ] M2));
when the delta M is more than or equal to the delta M2, the central control unit judges that the crushing degree of the current dietary fiber meets the standard;
the central control unit presets a qualified rate delta M, and sets a first preset qualified rate delta M1 and a second preset qualified rate delta M2.
Specifically, the detection mechanism is arranged, the weight of dietary fiber on the second support plate is taken as the amount of dietary fiber with qualified particle size, the ratio of the amount of dietary fiber with qualified particle size to the total extraction amount of dietary fiber is set as the dietary fiber qualified rate, the central control unit obtains the dietary fiber qualified rate and compares the dietary fiber qualified rate with the preset qualified rate to determine whether the crushing degree of the dietary fiber meets the standard, wherein the central control unit obtains that the dietary fiber qualified rate is less than or equal to the first preset qualified rate, which indicates that the extraction amount of the dietary fiber with qualified current particle size accounts for the total extraction amount of the dietary fiber, and increases the rotation speed of the second crushing mechanism to enable the particle size of the dietary fiber staying on the screen to meet the standard, the central control unit obtains that the dietary fiber qualified rate is between the first preset qualified rate and the second preset qualified rate, which indicates that the extraction amount of the dietary fiber with qualified current particle size accounts for the total extraction amount of the dietary fiber, and slightly increases the rotation speed of the second crushing mechanism to enable the particle size of the dietary fiber on the screen to meet the standard until the dietary fiber qualified rate obtained by the central control unit is greater than or equal to the second preset qualified rate, and the crushing degree of the dietary fiber before the dietary fiber is determined by the central control unit.
In the step S4, the central control unit draws a pasting curve according to the real-time viscosity of the mixed paste at each time, the central control unit obtains the slope K1 of the pasting curve at the current time and compares the slope K of the pasting curve at the current time with the slope K of the pasting curve at the preset pasting standard curve of the central control unit, and adjusts the stirring rate and the heating temperature of the second reaction chamber, wherein,
when K1 is less than or equal to K-delta K, the central control unit increases the heating temperature w to w1 of the second reaction chamber, and sets w1= w x (1 + (K-delta K-K1)/K);
when K-delta K is less than K1 and less than K plus delta K, the central control unit judges that the heating temperature of the second reaction chamber is not adjusted;
when K1 is more than or equal to K +. DELTA.k, the central control unit reduces the heating temperature w to w2 of the second reaction chamber, and sets w2= w x (1- (K1-K-DELTA.k)/K);
wherein Δ k is a predetermined slope error.
Fig. 5 is a schematic diagram of a pasting curve according to an embodiment of the present invention, in which the abscissa is time, the unit minute, the ordinate is viscosity, and the unit mPa · s, and the control unit in the embodiment of the present invention presets the pasting curve according to an ideal condition, that is, when each step meets the standard, the viscosity at each time interval in the pasting process is a standard value, and the pasting curve is drawn according to the viscosity at each time interval.
The central control unit is used for determining whether the viscosity of the current mixed paste meets the standard or not according to the drawn current mixed paste and gelatinization curve, acquiring the slope of the gelatinization curve at the current time point, comparing the acquired slope of the gelatinization curve at the current time point with the slope of the gelatinization standard curve at the current time point, and determining whether the viscosity of the current mixed paste meets the standard or not, wherein the slope of the gelatinization curve at the current time point acquired by the central control unit is smaller than or equal to the difference value between the slope and the slope error of the gelatinization standard curve at the current time point, which indicates that the viscosity change of the current mixed paste is lower, the central control unit is used for increasing the heating temperature of the second reaction chamber to increase the viscosity change rate of the mixed paste, the slope of the gelatinization curve at the current time point acquired by the central control unit is within the error range of the gelatinization standard curve and the slope, which indicates that the viscosity change of the current mixed paste meets the standard, the central control unit is not used for adjusting the gelatinization heating temperature in the second reaction chamber, and the gelatinization control unit is used for acquiring that the slope of the mixed paste at the current time point is larger than or equal to be equal to the sum of the error of the standard curve and the slope error, thereby avoiding that the viscosity change of the material to be cooked in the second reaction chamber.
Wherein the central control unit presets a second reaction chamber heating temperature W, compares the regulated second reaction chamber heating temperature with the preset second reaction chamber heating temperature, and regulates the stirring speed of the second reaction chamber, wherein,
when wj is less than or equal to W1, the central control unit judges that the stirring speed p of the second reaction chamber is reduced to p1, and sets p1= pxx (1- (W1-wj)/W1);
when W1 is more than wj and less than W2, the central control unit does not adjust the stirring speed of the second reaction chamber;
when wj is larger than or equal to W2, the central control unit judges that the heating temperature of the second reaction chamber is set as W2, and simultaneously increases the stirring speed p of the second reaction chamber to p2, and sets p2= p x (1 + (wj-W2)/W2);
the central control unit presets a heating temperature W, sets a first preset heating temperature W1 and a second preset heating temperature W2.
Specifically, the heating temperature of the second reaction chamber is set, the adjusted heating temperature is compared with the preset heating temperature, the stirring speed of the second reaction chamber is adjusted, firstly, the gelatinization speed is controlled, secondly, the temperature is prevented from being too high, the mixing and gelatinization are not uniform due to non-uniform stirring, thirdly, the temperature is prevented from being too low, and part of materials are prevented from being heated non-uniformly due to too-high stirring, wherein when the heating temperature of the second reaction chamber after being adjusted is less than or equal to the first preset heating temperature obtained by the central control unit, the current temperature is lower, in order to prevent the materials to be cooked from being heated non-uniformly due to too high stirring speed and further prevent the gelatinization degree of the materials from being uniform, the central control unit reduces the stirring speed of the second reaction chamber, when the heating temperature of the second reaction chamber after being adjusted is between the first preset heating temperature and the second preset heating temperature obtained by the central control unit, the current heating temperature is controllable within a controllable range, the central control unit does not adjust the stirring speed of the second reaction chamber, and the heating temperature of the second reaction chamber after being adjusted is greater than or equal to the second preset heating temperature, and the materials to be cooked are prevented from being heated, and the mixing and the stirring speed is controlled and deformed, so that the materials are mixed and the materials are uniformly mixed.
Wherein, when the central control unit obtains the viscosity Y at the current time point and is more than or equal to a preset viscosity reference value Y0, the central control unit obtains the slope k1 of the gelatinization curve at the current time point and the slope k0 of the gelatinization curve at the last time point to obtain a slope change degree d, d = (k 1-k 0)/k 0 is set, the central control unit compares the obtained slope change degree with the preset change degree to judge whether the gelatinization stage is finished, wherein,
when D is less than or equal to D1, the central control unit judges that the current gelatinization stage is finished, and the second reaction chamber is cooled;
when D1 is less than D and less than D2, the central control unit judges that the current gelatinization stage is continued, prolongs the gelatinization time t to t1, and sets t1= t + (D2-D) x (D-D1)/(D1 × D2);
when D is larger than or equal to D2, the central control unit judges that the current gelatinization stage is continued, prolongs the gelatinization time t to t2, and sets t2= t +0.5 x (D-D2)/D2;
the central control unit presets a variation degree D, sets a first preset variation degree D1, and sets a second preset variation degree D2, wherein t is the current time point.
Specifically, the viscosity reference value is set for evaluating whether the viscosity of the mixed paste is about to reach the standard, when the viscosity of the mixed paste is about to reach the standard, the central control unit determines the gelatinization degree according to the slope change degree of the adjacent time period, wherein the slope change degree of the adjacent time period is less than or equal to a first preset change degree, which indicates that the current viscosity is not changed too much, the gelatinization stage is stable, the gelatinization degree is high, the central control unit determines that the current gelatinization stage is finished, the cooling system starts to cool the second reaction chamber, the central control unit obtains the slope change degree of the adjacent time period between the first preset change degree and a second preset change degree, which indicates that the viscosity of the current mixed paste is not changed much, the gelatinization stage is about to enter, the central control unit determines to prolong the gelatinization time, the gelatinization stage is clear, the slope change degree of the adjacent time period is greater than or equal to the second preset change degree, which indicates that the current viscosity is changed in a large space, and the central control unit prolongs the gelatinization time, so that the gelatinization degree is about to meet the standard.
Wherein when the central control unit obtains that the slope change degree is more than or equal to a second preset change degree, the central control unit adjusts the rotation speed of the second crushing mechanism in the second crushing and drying chamber in the step S3 according to the slope change degree, wherein,
when d is less than or equal to Dmax, the central control unit reduces the rotation speed v2q to v2q1 of the second crushing mechanism, and sets v2q1= v2q x (1-0.5 x (Dmax-d)/Dmax);
when d is larger than or equal to Dmax, the central control unit reduces the rotation speed v2q to v2q2 of the second crushing mechanism, and sets v2q2= v2q x (1-0.75 x (d-Dmax)/Dmax);
wherein q =1,2.
Specifically, the control unit acquires that the slope change degree is greater than or equal to a second preset change degree, and proves that the current mixture has a rising trend under the condition that the viscosity is about to reach the standard, so that the current gelatinization has certain problems, and the gelatinization problem is caused because the particle size of the dietary fiber in the preorder step is too low, so that the viscosity of the mixed paste is too high, and therefore, the central control unit determines to adjust the rotation rate of the second crushing mechanism through the slope change degree so as to improve the particle size of the dietary fiber.
Wherein, the first crushing mechanism comprises a first telescopic unit for controlling the distance between the first crusher and the first screen, the second crushing mechanism comprises a second telescopic unit for controlling the distance between the second crusher and the second screen, the central control unit is provided with a stirring speed limit value Vrmin and Vrmax, wherein,
when vr 'is more than or equal to Vrmax, the central control unit sets the current stirring speed to Vrmax, shortens the distance hr between the current pulverizer and the r-th screen to hr1, and sets hr1= hr x (1- (vr' -Vrmax)/Vrmax);
when Vrmin is less than vr' < Vrmax, the central control unit does not adjust the distance between each pulverizer and the screen;
when vr 'is less than or equal to Vrmin, the central control unit sets the current stirring speed to Vrmin, enlarges the distance between the current pulverizer and the r-th screen mesh from hr to hr2, and sets hr2= hr x (1 + (Vrmin-vr')/Vrmin);
the central control unit presets a first limit value V1min of a first crushing mechanism stirring speed, a second limit value V1max of the first crushing mechanism stirring speed, a first limit value V2min of a second crushing mechanism stirring speed, a second limit value V2max of the second crushing mechanism stirring speed, and r =1,2.
Specifically, each crushing mechanism is provided with a telescopic unit for controlling the distance between the crusher and the drying net, the stirring speed can not reach the condition of adjusted parameters by controlling the distance between the crusher and the screen, specifically, the stirring speed obtained by the central control unit is less than or equal to a preset first limit value of each crushing mechanism, which indicates that the stirring speed after current adjustment is too low, the central control unit enlarges the gap between the crusher and the screen to compensate the stirring degree of which the stirring speed does not reach a preset minimum value, the stirring speed obtained by the central control unit is more than or equal to a preset second limit value of each crushing mechanism, which indicates that the stirring speed after current adjustment is too high, and the central control unit reduces the gap between the crusher and the screen to compensate the stirring degree of which the stirring speed does not reach a preset maximum value.
Specifically, each crushing and drying chamber inner wall is provided with a heating and drying mechanism, when the central control unit judges that the material to be dried on each supporting mechanism is dried, the central control unit controls each supporting mechanism to slide along each sliding mechanism so as to uniformly dry the material to be dried, and adjusts the sliding speed of the supporting mechanism according to the current drying temperature g, wherein,
when gr is less than or equal to G1, the central control unit reduces sliding rates vh to vh1 of the support mechanisms, and sets vh1= vh x (1- (G1-gr)/G1);
when G1 is more than gr and less than G2, the central control unit does not adjust the sliding speed of each supporting mechanism;
when gr is larger than or equal to G2, the central control unit increases the sliding speed vh to vh2 of each supporting mechanism, and sets vh2= vh x (1 + (gr-G2)/G2);
the central control unit presets a drying temperature G, sets a first preset drying temperature G1 and a second preset drying temperature G2.
Specifically, the invention controls the movement of the supporting mechanism through the arranged specific heating and drying structure and the sliding mechanism for controlling the movement of the supporting mechanism, so that the drying is uniform, and the invention also has the function of stirring the drying temperature in the crushing and drying chamber, and adjusts the sliding speed through the drying temperature and the preset temperature so as to uniformly dry the material to be dried and improve the drying efficiency, wherein if the current drying temperature is less than or equal to the first preset drying temperature, the central control unit reduces the sliding speed of the supporting mechanism so as to avoid poor drying effect caused by too fast sliding speed, and if the current drying temperature is greater than or equal to the second preset drying temperature, the central control unit improves the sliding speed of the supporting mechanism so as to keep the drying temperature in the crushing and drying chamber at the same time, and avoid over-drying caused by too high temperature.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (9)

1. A preparation method of a nutritional meal packet based on fat reduction is characterized by comprising the following steps:
step S1, potato residues are injected into a first crushing and drying chamber, a first supporting mechanism in the first crushing and drying chamber supports the potato residues on a first screen, the first crushing mechanism is started to crush the potato residues, after crushing, the first supporting mechanism is separated from the screen, the potato residues with qualified particle sizes stay on the first supporting plate to be dried, and the dried potato residues are injected into a first reaction chamber;
step S2, injecting water into the first reaction chamber, uniformly stirring the water and the potato residues to form potato residue liquid, injecting mixed enzyme, heating the first reaction chamber to perform primary enzyme treatment on the potato residue liquid, injecting neutral protease into the first reaction chamber after the potato residue liquid is cooled to a preset temperature, uniformly stirring, and heating the first reaction chamber again to perform secondary enzyme treatment on the potato residue liquid;
s3, cooling and filtering the potato residue liquid subjected to secondary enzyme treatment, injecting filter residues into a second crushing and drying chamber to crush and dry dietary fibers to form the dietary fibers, wherein the second crushing and drying chamber is provided with a detection mechanism which is used for obtaining the qualification rate of the dietary fibers;
s4, injecting dietary fibers into a second reaction chamber, heating and gelatinizing the dietary fibers with resistant dextrin, oatmeal, chia seeds and psyllium powder to form mixed paste, cooling, injecting skim milk powder, fructo-oligosaccharide, virgin coconut oil, concentrated whey protein and the mixed paste into the second reaction chamber, and stirring to form a mixture, wherein a central control unit obtains a gelatinizing curve of the mixed paste according to the viscosity of the mixed paste in each time period, and adjusts the stirring rate of the second reaction chamber and the rotation rate of a second crushing mechanism in the step S3 according to the gelatinizing curve;
s5, pumping the mixture into a second crushing and drying chamber for drying, and subpackaging the mixture meeting the standard to form a nutritional meal packet;
in the step S3, the detection mechanism includes a first weight sensor disposed on the second screen and a second weight sensor disposed on the second support plate, the detection mechanism obtains a total extraction amount M of dietary fiber according to the extraction amount M1 of dietary fiber with unqualified particle size obtained by the first weight sensor and the extraction amount M2 of dietary fiber with qualified particle size obtained by the second weight sensor, M = M1+ M2 is set, the central control unit compares the obtained total extraction amount M of dietary fiber with a preset total extraction amount M, and adjusts the cooling efficiency and the enzyme treatment time of the step S2, wherein,
when M is less than or equal to M1, the central control unit increases the rotation speed v1 to v11 of the first crushing mechanism in the step S1, and simultaneously prolongs the time of primary enzyme treatment and the time of secondary enzyme treatment;
when M1 is more than M and less than M2, the central control unit increases the rotation speed v1 to v11 of the first crushing mechanism in the step S1;
when M is larger than or equal to M2, the central control unit judges that the total extraction amount of the dietary fiber meets the standard, and determines whether the current crushing degree of the dietary fiber meets the standard according to the qualified rate of the dietary fiber;
the central control unit presets a total extraction amount M, and sets a first preset total extraction amount M1 and a second preset total extraction amount M2.
2. The method of preparing a diet-based nutritional bun according to claim 1, wherein when the central control unit determines that the total extraction amount of dietary fiber meets the criteria, the detecting means obtains the dietary fiber pass rate Δ m, and sets Δ m = m2/m, and the central control unit determines whether the pulverization degree of dietary fiber meets the criteria by comparing the obtained dietary fiber pass rate with a preset pass rate, wherein,
when the delta M is less than or equal to the delta M1, the central control unit judges that the crushing degree of the current dietary fiber does not meet the standard, and the central control unit increases the rotation speed v2 to v21 of the second crushing mechanism;
when the delta M1 is smaller than the delta M and smaller than the delta M2, the central control unit judges that the crushing degree of the current dietary fiber does not meet the standard, and the central control unit increases the rotating speed v to v22 of the second crushing mechanism;
when the delta M is more than or equal to the delta M2, the central control unit judges that the crushing degree of the current dietary fiber meets the standard;
the central control unit presets a qualified rate delta M, and sets a first preset qualified rate delta M1 and a second preset qualified rate delta M2.
3. The method for preparing a fat-reducing nutritional meal package according to claim 2, wherein in the step S4, the central control unit draws a gelatinization curve according to the real-time viscosity of the mixed paste at each time, the central control unit obtains the slope K1 of the gelatinization curve at the current time and compares the slope K1 with the slope K of the gelatinization curve at the current time of a preset gelatinization standard curve of the central control unit, and the stirring rate and the heating temperature of the second reaction chamber are adjusted,
when K1 is less than or equal to K-delta K, the central control unit increases the heating temperature w of the second reaction chamber to w1;
when K-delta K is less than K1 and less than K plus delta K, the central control unit judges that the heating temperature of the second reaction chamber is not adjusted;
when K1 is more than or equal to K plus delta K, the central control unit reduces the heating temperature w of the second reaction chamber to w2;
where Δ k is a predetermined slope error.
4. The method of preparing a fat-reduced nutritious meal package according to claim 3, wherein the central control unit presets a second reaction chamber heating temperature W, and the central control unit compares the adjusted second reaction chamber heating temperature with the preset second reaction chamber heating temperature to adjust the stirring rate of the second reaction chamber, wherein,
when wj is less than or equal to W1, the central control unit judges that the stirring speed of the second reaction chamber is reduced;
when W1 is more than wj and less than W2, the central control unit does not adjust the stirring speed of the second reaction chamber;
when wj is larger than or equal to W2, the central control unit judges that the heating temperature of the second reaction chamber is set as W2, and simultaneously the stirring speed of the second reaction chamber is increased;
the central control unit presets a heating temperature W, sets a first preset heating temperature W1 and a second preset heating temperature W2.
5. The method for preparing a fat-reduced nutritious meal package according to claim 4, wherein when the central control unit obtains that the viscosity Y at the current time point is greater than or equal to the preset viscosity reference value Y0, the central control unit compares the obtained slope degree d with the preset degree d to determine whether the gelatinization stage is finished, wherein,
when D is less than or equal to D1, the central control unit judges that the current gelatinization stage is finished, and the second reaction chamber is cooled;
when D1 is less than D and less than D2, the central control unit judges that the current gelatinization stage is continued, prolongs the gelatinization time t to t1, and sets t1= t + (D2-D) x (D-D1)/(D1 × D2);
when D is larger than or equal to D2, the central control unit judges that the current gelatinization stage is continued, prolongs the gelatinization time t to t2, and sets t2= t +0.5 x (D-D2)/D2;
the central control unit presets a variation degree D, sets a first preset variation degree D1, and sets a second preset variation degree D2, wherein t is the current time point.
6. The fat-reduction-based nutritional meal package preparation method according to claim 5, wherein the central control unit obtains the slope k1 of the gelatinization curve at the current time point and the slope k0 of the gelatinization curve at the last time point to obtain the slope change degree d, and sets d = (k 1-k 0)/k 0.
7. The method of claim 6, wherein when the slope change degree obtained by the central control unit is greater than or equal to a second predetermined change degree, the central control unit adjusts the rotation rate of the second pulverizing mechanism in the second pulverizing and drying chamber in step S3 according to the slope change degree, wherein,
when d is less than or equal to Dmax, the central control unit decreases the rotation rates v2q to v2q1 of the second pulverizing mechanism, setting v2q1= v2q × (1-0.5 × (Dmax-d)/Dmax);
when d is larger than or equal to Dmax, the central control unit reduces the rotation speed v2q to v2q2 of the second crushing mechanism, and sets v2q2= v2q x (1-0.75 x (d-Dmax)/Dmax);
wherein q =1,2.
8. A method for preparing a fat-reduced nutritional meal package according to claim 7, wherein the first comminuting mechanism comprises a first telescopic unit for controlling the distance between the first comminuting device and the first sieve, the second comminuting mechanism comprises a second telescopic unit for controlling the distance between the second comminuting device and the second sieve, the central control unit is provided with agitation rate limits Vrmin and Vrmax, wherein,
when vr' is more than or equal to Vrmax, the central control unit sets the current stirring speed to Vrmax and shortens the distance between the current pulverizer and the r-th screen;
when Vrmin is less than vr' < Vrmax, the central control unit does not adjust the distance between each pulverizer and the screen;
when vr' is less than or equal to Vrmin, the central control unit sets the current stirring speed to Vrmin and enlarges the distance between the current pulverizer and the r-th screen;
the central control unit presets a first limit value V1min of the stirring speed of the first crushing mechanism, a second limit value V1max of the stirring speed of the first crushing mechanism, a first limit value V2min of the stirring speed of the second crushing mechanism, a second limit value V2max of the stirring speed of the second crushing mechanism, and r =1,2.
9. The fat-reduction-based nutritional bun preparation method according to claim 8, wherein each of the pulverizing and drying chambers is provided with a heating and drying mechanism on the inner wall, when the central control unit determines to dry the material to be dried on each of the support mechanisms, the central control unit controls each of the support mechanisms to slide along each of the sliding mechanisms to uniformly dry the material to be dried, and the central control unit adjusts the sliding rate of the support mechanisms according to the current drying temperature g, wherein,
when gr is less than or equal to G1, the central control unit reduces the sliding speed of each supporting mechanism;
when G1 is more than gr and less than G2, the central control unit does not adjust the sliding speed of each supporting mechanism;
when gr is larger than or equal to G2, the central control unit improves the sliding speed of each supporting mechanism;
the central control unit presets a drying temperature G, sets a first preset drying temperature G1 and a second preset drying temperature G2.
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