CN114209003B

CN114209003B - Bran processing equipment for steam explosion process

Info

Publication number: CN114209003B
Application number: CN202111453818.5A
Authority: CN
Inventors: 李祥; 梁慧星; 陆子琦
Original assignee: Yancheng Teachers University
Current assignee: Yancheng Teachers University
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2023-06-23
Anticipated expiration: 2041-12-01
Also published as: CN114209003A

Abstract

The invention belongs to the technical field of bran processing, in particular to bran processing equipment for a steam explosion process, which comprises a barrel body, a supporting module for supporting the barrel body, a feeding module, a discharging module and a processing module, wherein the processing module comprises one or more of a steam explosion unit for providing steam for the barrel body or a crushing unit which is formed by matching a crushing roller with a crushing ring for crushing and is arranged in the barrel body; according to the invention, through the mutual matching between the crushing unit and the steam explosion unit, the wheat bran is crushed, the volume of the wheat bran is reduced, steam is continuously introduced into the air channel, and the steam is sprayed out from the convex part on the crushing roller through the interaction among the channel I, the air channel and the air pipe, so that the contact area between the wheat bran and the steam is increased, the steam is enabled to better penetrate the wheat bran, the compact structure of the wheat bran is broken, and the explosion of the wheat bran is realized, thereby improving the crushing performance and the processing performance of the wheat bran.

Description

Bran processing equipment for steam explosion process

Technical Field

The invention belongs to the technical field of bran processing, and particularly relates to bran processing treatment equipment for a steam explosion process.

Background

Cereal is the most important component of the human diet, and is the main source of nutrition and energy for human intake; cereal bran is widely concerned by nutritionists and food markets because of having unique functional nutritive value; in order to reduce the risk of chronic diseases that refined cereal is prone to be suffered by eating for a long time, changing the diet pattern of consumers, developing cereal bran-enriched products is an effective way to meet the increasing demands of functional health foods; wherein wheat is the most widely planted food crop in the world, the population of the wheat which is frequently eaten accounts for more than 30% of the total population of the world, and the wheat provides daily caloric intake up to 60%; while China is a large country for wheat production, wheat bran is used as a large byproduct for wheat processing, and the annual output is more than 2000 ten thousand tons at present;

wheat bran is a raw material rich in fiber matrix, and the dietary fiber content is 35% -50%; in addition, the food also contains 12 to 18 percent of protein and 10 to 15 percent of starch; the wheat bran dietary fiber is the best dietary fiber type in the known nature, and the main functional component of the wheat bran dietary fiber is pentosan (also called arabinoxylan) accounting for more than 60% of the total dietary fiber; pentosan has the functions of common dietary fiber, and has the activities of immunity enhancement, cancer resistance and the like; the wheat bran is mainly of a cell wall structure, the content of soluble substances is low, particularly the content of soluble polysaccharide is low, for example, the proportion of the soluble pentosan to the total polysaccharide is less than 10%, which affects the bioavailability of the wheat bran and the exertion of the activity of the functional polysaccharide in the wheat bran; therefore, the processing of the bran is related to national life counts, and is also a civil industry and a national health industry which are closely related to public dietary nutrition and dietary safety;

in the prior art, the bran is processed in the following ways:

1) By means of lye (e.g. KOH, naOH, ba (OH) ₂ ) The dissolution of pentosan in wheat bran is promoted, but the alkaline method has serious pollution and has adverse effects of destroying substances such as protein, polyphenol and the like, and the application of the alkaline method is limited in production;

2) The method is the simplest and effective method for reducing the particle size of the raw materials, changing the structure of the raw materials, increasing the surface area of the raw materials and improving the bioavailability of the nutrient substances by adopting crushing; wheat bran is usually added to foods in the form of powder, so that the crushing result of wheat bran has an important effect on the food processing process and the product quality; however, the wheat bran has higher content of dietary fibers such as lignin, hemicellulose and cellulose, has heterogeneity and toughness in tissue structure and strength, and the supermolecular body of the dietary fibers presents a complex physical structure and chemical mechanism to resist external attack and use, so that the wheat bran is not easy to be ground into fine particles and has high processing energy consumption;

therefore, a bran processing device for researching how to break the dietary fiber compact structure and improve the bran crushing performance and the processing performance is urgently needed.

Disclosure of Invention

In order to overcome the defects in the prior art, and solve the problems that the wheat bran is difficult to grind into fine particles due to the fact that a dietary fiber compact structure in the wheat bran is difficult to break, and the wheat bran crushing performance and the processing performance are poor, the invention provides a steam explosion process wheat bran processing treatment device.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a steam explosion technology bran processing equipment, includes staving and carries out the support module that supports to the staving, still includes:

the feeding module is arranged on the barrel body and is used for adding bran to be processed into the barrel body;

the discharging module corresponds to the feeding module and is arranged on the barrel body, and the discharging module is used for outputting the processed bran to the barrel body;

and the processing module comprises one or more of a steam explosion unit for providing steam for the barrel body or a crushing unit which is formed by matching a crushing roller with a crushing ring, and is arranged in the barrel body.

Specifically, the crushing ring is arranged on the inner wall of the barrel body, and a notch is arranged at the position of the crushing ring corresponding to the feeding module so that bran enters the barrel body; the two end surfaces of the crushing roller are rotatably arranged on the inner wall of the barrel body through rotating shafts, and one rotating shaft is connected with a motor.

Specifically, the inside of smashing the roller has been seted up the air channel, and the air channel is through the trachea that runs through another pivot and steam explosion unit intercommunication, and smashing the passageway one that every convex part position was seted up on the roller and is linked together with the air channel, through the cooperation between passageway one, air channel and trachea, realizes that steam lets in between smashing roller and the crushing ring.

Specifically, the feeding module comprises a storage box arranged on the top of the barrel body, a box cover movably arranged on the storage box and a control valve for controlling bran in the storage box to enter the barrel body.

Specifically, a crushing auxiliary ring is arranged between the crushing roller and the crushing ring, and a movable cavity provided with a heating component is reserved between the crushing auxiliary ring and the crushing ring; the crushing auxiliary ring consists of an elastic ring arranged on the crushing ring and a crushing piece connected to the elastic ring, and a group of first air passages communicated with the movable cavity are uniformly formed in the elastic ring and the crushing piece.

Specifically, the cross section of the first air passage is of an S shape, one end of the S shape positioned in the movable cavity is obliquely upward, and one end of the S shape positioned between the crushing piece and the crushing roller is obliquely downward.

Specifically, air springs corresponding to the first air passage are uniformly arranged in the movable cavity, a group of air spraying holes are uniformly formed in each air spring, and each air spraying hole faces the first air passage.

Specifically, a second channel is symmetrically arranged at the position of each first channel, one end of the second channel is communicated with the first channel, and the other end of the second channel is communicated with the concave part on the crushing roller.

Specifically, every set up flutedly on the lateral wall of convex part on the crushing roller, the recess internal rotation is installed and is had the crushing dish of cross-section "T" type form, and has seted up the helicla flute on the crushing dish, be equipped with in the helicla flute with helicla flute matched with bull stick, the cover is equipped with reset torsion spring on the bull stick, makes crushing dish rotate through steam promotion bull stick.

The beneficial effects of the invention are as follows:

1. according to the bran processing equipment for the steam explosion process, a large amount of steam is introduced into the barrel body through the steam explosion unit, the bran is heated to a certain temperature by using hot steam in a high-pressure airtight environment, and is instantaneously decompressed after being kept under a certain pressure for a plurality of seconds to a plurality of minutes, so that explosion is generated along with sudden pressure drop and moisture vaporization; the chemical decomposition, mechanical splitting, structural rearrangement and other multiple functions of the bran components are realized by blasting, so that the separation and structural change of the fibrous raw material components are realized, the utilization of the bran nutrition components is improved, and the processability and the crushing performance of the bran are further improved.

2. According to the wheat bran processing equipment for the steam explosion process, provided by the invention, the wheat bran is crushed through the mutual matching between the crushing unit and the steam explosion unit, the wheat bran volume is reduced, and meanwhile, steam is continuously introduced into the air channel, and the steam is sprayed out from the convex part on the crushing roller through the interaction among the channel I, the air channel and the air pipe, so that the contact area between the wheat bran and the steam is increased, the steam is enabled to better penetrate the wheat bran, the compact structure of the wheat bran is broken, the wheat bran explosion is realized, and the crushing performance and the processing performance of the wheat bran are improved.

3. According to the bran processing equipment for the steam explosion process, the crushing auxiliary ring is arranged, when the crushing roller extrudes the crushing auxiliary ring, hot air in the movable cavity is sprayed out through the first air passage and acts between the crushing roller and the crushing auxiliary ring, the sprayed dry hot air can reduce the relative content and the mutual strength of dietary fibers in the bran, the compact structure of the bran is broken, the bran tissue is loosened further under the action of steam explosion, and the crushing is more sufficient and convenient under the action of the crushing roller and the crushing auxiliary ring, so that the processing performance and the crushing performance of the bran are improved.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of one view of the present invention;

FIG. 2 is a perspective view of another view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is a partial enlarged view at B in FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

FIG. 7 is a partial enlarged view at D in FIG. 5;

in the figure: barrel 1, feeding module 2, storage box 21, box cover 22, crushing unit 3, crushing roller 31, air passage 311, passage one 312, passage two 313, crushing ring 32, crushing auxiliary ring 33, movable cavity 331, elastic ring 332, crushing member 333, air passage one 334, air spring 34, crushing disc 35, rotating rod 36.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless otherwise explicitly defined as one embodiment of the present invention. Furthermore, the terms "mounted," "connected," "coupled," 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

the invention relates to bran processing equipment for a steam explosion process, which is shown in fig. 1-3, and comprises a barrel body 1, a supporting module for supporting the barrel body 1, and further comprises:

the feeding module 2 is arranged on the barrel body 1, and the feeding module 2 is used for adding bran to be processed into the barrel body 1;

the discharging module corresponds to the feeding module 2 and is arranged on the barrel body 1, and the discharging module is used for outputting the processed bran to the barrel body 1;

a processing module including a pulverizing unit 3 which is pulverized by a pulverizing roller 31 in cooperation with a pulverizing ring 32 and mounted inside the tub 1;

the crushing ring 32 is arranged on the inner wall of the barrel body 1, and a notch is arranged at the position of the crushing ring 32 corresponding to the feeding module 2 so that bran enters the barrel body 1; the two end surfaces of the crushing roller 31 are rotatably arranged on the inner wall of the barrel body 1 through rotating shafts, and one rotating shaft is connected with a motor;

through the cooperation between the crushing roller 31 and the crushing ring 32, the bran between the crushing roller 31 and the crushing ring 32 is crushed, so that the utilization of nutritional ingredients in the bran is realized, and the processing quality of the bran is improved.

The specific working flow is as follows:

firstly, closing a discharging module, opening a feeding module 2, throwing bran to be treated into a barrel body 1 from the feeding module 2, and enabling the bran entering the barrel body 1 to be positioned between a crushing roller 31 and a crushing ring 32, wherein a motor is started to drive the crushing roller 31 to rotate, and the crushing ring 32 is arranged on the inner wall of the barrel body 1, so that the bran between the crushing roller 31 and the crushing ring 32 is crushed through the mutual matching between the rotating crushing roller 31 and the fixed crushing ring 32; the crushed bran falls into the discharging module and is conveyed away from the barrel body 1 through the discharging module.

Embodiment two:

and the processing module comprises a steam explosion unit for providing steam into the barrel body 1.

Alkali liquor is usually adopted in the prior art to promote the dissolution of pentosan in wheat bran, but the alkali method has serious pollution and has adverse effects of destroying substances such as protein, polyphenol and the like; or, the conventional crushing equipment is adopted to crush the bran, but the conventional crushing equipment cannot completely crush the bran, so that the crushing performance and the processing performance of the bran are lower; the chemical decomposition, mechanical splitting, structural rearrangement and other multiple functions of the bran components are realized by blasting, so that the separation and structural change of the fibrous raw material components are realized, the utilization of the bran nutrition components is improved, and the processability and the crushing performance of the bran are further improved.

The specific working flow is as follows:

firstly, closing a discharging module, opening a feeding module 2, putting bran to be treated into a barrel body 1 from the feeding module 2, then closing the feeding module 2 to enable the barrel body 1 to be in a closed environment, and at the moment, introducing a large amount of steam into the barrel body 1 through a steam explosion unit to enable multiple functions of chemical decomposition, mechanical splitting, structural rearrangement and the like of bran components to realize separation and structural change of fibrous raw material components; under the action of high temperature and high pressure, on one hand, hemicellulose is hydrolyzed and converted into monosaccharide and oligomer, lignin is softened and partially degraded to form phenolic compounds, and the content of soluble matters is increased; on the other hand, as the instantaneous pressure is reduced, high-temperature liquid water in the material quickly boils to form flash evaporation, so that cellulose crystals and fiber bundles are physically burst, and the sensitivity of the fiber-based raw material to the action of biological enzymes or chemical reagents is improved; the bran after steam explosion falls into the discharging module and is conveyed away from the barrel body 1 through the discharging module.

Embodiment III:

a processing module including a steam explosion unit for supplying steam into the tub 1 and a pulverizing unit 3 which is pulverized by the pulverizing roller 31 in cooperation with the pulverizing ring 32 and is installed inside the tub 1;

the inside of the crushing roller 31 is provided with an air channel 311, the air channel 311 is communicated with the steam explosion unit through an air pipe penetrating through another rotating shaft, each convex part on the crushing roller 31 is provided with a channel I312 communicated with the air channel 311, and steam is introduced between the crushing roller 31 and the crushing ring 32 through the mutual matching among the channel I312, the air channel 311 and the air pipe.

Through the cooperation between crushing unit 3 and steam explosion unit, smash the bran, when reducing the bran volume, through constantly letting in steam to gas channel 311 in to at passageway one 312, interaction between gas channel 311 and trachea, make steam spout from the convex part on the crushing roller 31, increased the area of contact between bran and steam, make steam better pierce through the bran, break the compact structure of bran, realize the blasting of bran, thereby improved crushing performance and processability to the bran.

The specific working flow is as follows:

firstly, closing a discharging module, opening a feeding module 2, putting bran to be treated into a barrel body 1 from the feeding module 2, then closing the feeding module 2 to enable the barrel body 1 to be in a closed environment, at the moment, introducing a large amount of steam into the barrel body 1 through a steam explosion unit, and simultaneously, starting a motor, wherein the motor drives a crushing roller 31 to rotate, and as a crushing ring 32 is arranged on the inner wall of the barrel body 1, the crushing roller 31 and the crushing ring 32 are mutually matched, so that the size of the bran is reduced by crushing the bran between the crushing roller 31 and the crushing ring 32; when steam is introduced into the barrel body 1 through the steam explosion unit, the steam enters the air channel 311 through the air pipe, the air channel 311 can store more steam and is sprayed out from the convex parts on the crushing roller 31 through the channel I312, when the steam is sprayed out, the bran crushed by the crushing roller 31 and the crushing ring 32 can be blown away from a crushing area, in the blowing-away process, the bran can be contacted with the steam in a more omnibearing manner, the steam can better act on the bran, the penetrability of the bran by the steam is increased, and after the steam is subjected to over-pressurization and pressure relief, the multiple actions such as chemical decomposition, mechanical splitting, structural rearrangement and the like of the bran component are realized to separate and change the structure of the fibrous raw material component; under the action of high temperature and high pressure, on one hand, hemicellulose is hydrolyzed and converted into monosaccharide and oligomer, lignin is softened and partially degraded to form phenolic compounds, and the content of soluble matters is increased; on the other hand, as the instantaneous pressure is reduced, high-temperature liquid water in the material quickly boils to form flash evaporation, so that cellulose crystals and fiber bundles are physically burst, and the sensitivity of the fiber-based raw material to the action of biological enzymes or chemical reagents is improved; the processed bran falls into the discharging module and is conveyed away from the barrel body 1 from the discharging module.

Embodiment four:

unlike the first to third embodiments, the feeding module 2 includes a storage tank 21 mounted on the top of the tub 1, a cover 22 movably mounted on the storage tank 21, and a control valve for controlling the bran in the storage tank 21 to enter the tub 1, as shown in fig. 1 to 2 and 4.

The specific working flow is as follows:

the specific working procedures of the first to third embodiments are different in that the movable area between the storage tank 21 and the tub 1 is closed by controlling the valve, then the cover 22 is opened, bran to be treated is continuously added into the storage tank 21, and when the bran in the storage tank 21 is filled, the cover 22 is closed; then, according to actual conditions, the movable area between the storage box 21 and the barrel body 1 is opened through the control valve, the bran in the storage box 21 is put into some barrel bodies 1 for processing, after some bran is put into the barrel body 1, the movable area between the storage box 21 and the barrel body 1 is continuously closed through the control valve, at the moment, the bran in the storage box 21 and the box cover 22 are used for sealing the barrel body 1, a completely sealed space can be provided for steam explosion, and the bran can be prevented from being thrown out of the barrel body 1 due to the rotation of the crushing roller 31 when being crushed, so that the bran is fully and uniformly processed in the barrel body 1, and the processing performance and the crushing performance of the bran are improved.

Fifth embodiment:

as shown in fig. 4-6, a pulverizing auxiliary ring 33 is disposed between the pulverizing roller 31 and the pulverizing ring 32, and a movable cavity 331 is provided between the pulverizing auxiliary ring 33 and the pulverizing ring 32, wherein a heating member is disposed; the crushing auxiliary ring 33 is composed of an elastic ring 332 mounted on the crushing ring 32 and a crushing member 333 connected to the elastic ring 332, and a group of air passages 334 communicated with the movable cavity 331 are uniformly formed on the elastic ring 332 and the crushing member 333;

through setting up crushing auxiliary ring 33, when crushing roller 31 extrudees crushing auxiliary ring 33, make the steam in the activity cavity 331 spout through air flue one 334, and act on between crushing roller 31 and the crushing auxiliary ring 33, the dry hot-blast relative content and the mutual intensity of dietary fiber in the bran that have been spun can be reduced, broken the compact structure of bran, make the bran tissue more loose, and under the effect that steam exploded, further make the bran tissue become loose, and under the effect of crushing roller 31 and crushing auxiliary ring 33, smash more fully and conveniently, thereby improved the processability and the crushing performance to the bran.

The specific working flow is as follows:

unlike the first to third embodiments, when the pulverizing roller 31 is rotated by the motor, the pulverizing roller 31 presses the pulverizing auxiliary ring 33, and since the pulverizing auxiliary ring 33 is mounted on the pulverizing ring 32 through the elastic ring 332, the pulverizing auxiliary ring 33 moves to a side close to the inner wall of the tub 1, so that more bran can be introduced between the pulverizing auxiliary ring 33 and the pulverizing roller 31 and the bran can be pulverized; when smashing auxiliary ring 33 to be close to staving 1 inner wall one side when moving, can extrude movable cavity 331 for gas in the movable cavity 331 is spouted from air flue one 334, simultaneously, owing to be provided with heating element in the movable cavity 331, makes from air flue one 334 spun gas for dry hot gas, dry hot air can reduce the relative content and the mutual intensity of dietary fiber in the bran, has broken the compact structure of bran, makes the bran tissue more loose, thereby is convenient for smash the bran.

Example six:

unlike the fifth embodiment, as shown in fig. 4-6, the cross-section of the first air channel 334 is "S" shaped, one end of the "S" shaped located in the movable cavity 331 is inclined upwards, and one end of the "S" shaped located between the crushing member 333 and the crushing roller 31 is inclined downwards;

an air spring 34 corresponding to the first air passage 334 is uniformly disposed in the movable cavity 331, a group of air holes are uniformly formed in each air spring 34, and each air hole faces the first air passage 334.

The specific working flow is as follows:

by arranging the air passage I334 with the S-shaped cross section, as the air passage I334 is provided with the two concave parts, even if the air passage I334 is positioned at the bottom of the barrel body 1, crushed bran cannot enter the movable cavity 331 from the air passage I334 to cause blockage in the movable cavity 331, and the crushing auxiliary ring 33 is influenced to move to one side of the crushing ring 32 under the action of the crushing roller 31, so that the air passage I334 is ensured to have certain dry hot air to spray and act on the bran, the compact structure of the bran is broken, the bran tissue becomes more loose, and the crushing of the bran is facilitated; in addition, the first air passage 334 with the section of S is arranged by a numerical control machine tool, a milling cutter, etc. to feed along a set S-shaped route; meanwhile, because one end of the first air passage 334 is inclined downwards towards the position between the crushing part 333 and the crushing roller 31, the sprayed dry hot air presses the bran downwards and enables the bran to float, the contact area between the bran and the dry hot air is increased, and under the cooperation of the rotating crushing roller 31, steam is sprayed out along the first air passage 312 to generate acting force on the bran, breaking of the dense structure of the bran is further increased, the other end of the first air passage 334 is inclined upwards, so that the bran still remains in the first air passage 334 and does not enter the movable cavity 331 even if entering the first air passage 334, in addition, in the movement of the crushing auxiliary ring 33 towards the side close to the crushing ring 32, the air spring 34 can be extruded, on one hand, the vibration amplitude of the crushing auxiliary ring 33 can be increased, so that the bran still enters the next area to be crushed, on the other hand, the air spring 34 is extruded to be blown outwards through the hole, and the hole is further prevented from entering the first air passage 334, even if the bran initially enters the first air passage 334, the first air passage 334 is kept in the air passage 334, and the gas sprayed out of the hole is carried away from the first air passage 334, so that the bran still can be prevented from entering the movable cavity 331, and the crushing cavity is prevented from being influenced.

Embodiment seven:

as shown in fig. 4-5 and 7, a second channel 313 is symmetrically disposed at a position of each first channel 312, and one end of the second channel 313 is communicated with the first channel 312, and the other end is communicated with the concave portion of the pulverizing roller 31.

The specific working flow is as follows:

the specific working procedure of the sixth embodiment is different from that of the sixth embodiment in that when steam enters the first channel 312 from the air channel 311, the first channel 312 is communicated with the second channel 313, so that the steam is ejected from the concave portion of the crushing roller 31 along the second channel 313, the bran in the concave portion of the crushing roller 31 is blown away, so that the bran is crushed better, and meanwhile, when the bran is blown away, the steam can be further contacted with the bran, the penetrability of the bran by the steam is improved, and the steam explosion effect on the bran is improved; in addition, because steam is externally introduced and steam power is large, no bran enters the first channel 312 and the second channel 313.

Example eight:

the difference from the seventh embodiment is that, as shown in fig. 4, a groove is formed on the side wall of the protruding portion on each crushing roller 31, a crushing disc 35 with a T-shaped cross section is rotatably mounted in the groove, a spiral groove is formed on the crushing disc 35, a rotating rod 36 matched with the spiral groove is disposed in the spiral groove, a reset torsion spring is sleeved on the rotating rod 36, and the crushing disc 35 is rotated by pushing the rotating rod 36 through steam.

The specific working flow is as follows:

the difference from the specific working procedure of the seventh embodiment is that, when steam enters the first channel 312 through the air channel 311, the steam acts on the first channel 312 and pushes the first channel 312 to move to a side far away from the inner wall of the first channel 312 because the sliding position of the first channel 312 is communicated with the first channel 312, and the first channel 36 is matched with the spiral groove on the second channel 35 to form a screw pair, so that the second channel 35 rotates, the crushing force of the bran is increased, and when the first channel 36 moves to a limit, the end of the first channel 36 does not pass through the second channel 35, so that the crushing of the bran by the cooperation between the crushing roller 31 and the crushing auxiliary ring 33 is prevented from being influenced; when the pressure in the barrel body 1 is maintained for a certain time and the pressure is released, no steam acts on the rotating rod 36, and the rotating rod 36 is reset under the action of the reset torsion spring.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steam explosion technology bran processing equipment, includes staving (1) and carries out the support module that supports staving (1), its characterized in that: and also comprises

The feeding module (2) is arranged on the barrel body (1), and the feeding module (2) is used for adding bran to be processed into the barrel body (1);

the discharging module corresponds to the feeding module (2) and is arranged on the barrel body (1), and the discharging module is used for outputting processed bran to the barrel body (1);

the processing module comprises a steam explosion unit for providing steam into the barrel body (1) and a crushing unit (3) which is matched with the crushing ring (32) by the crushing roller (31) for crushing and is arranged in the barrel body (1);

the crushing ring (32) is arranged on the inner wall of the barrel body (1), and a notch is arranged at the position of the crushing ring (32) corresponding to the feeding module (2) so that bran enters the barrel body (1); the two end surfaces of the crushing roller (31) are rotatably arranged on the inner wall of the barrel body (1) through rotating shafts, and one rotating shaft is connected with a motor;

an air channel (311) is formed in the crushing roller (31), the air channel (311) is communicated with the steam explosion unit through an air pipe penetrating through the other rotating shaft, a channel I (312) communicated with the air channel (311) is formed in each protruding part position on the crushing roller (31), and steam is introduced between the crushing roller (31) and the crushing ring (32) through the mutual matching among the channel I (312), the air channel (311) and the air pipe;

a crushing auxiliary ring (33) is arranged between the crushing roller (31) and the crushing ring (32), and a movable cavity (331) provided with a heating component is reserved between the crushing auxiliary ring (33) and the crushing ring (32); the crushing auxiliary ring (33) consists of an elastic ring (332) arranged on the crushing ring (32) and a crushing piece (333) connected to the elastic ring (332), and a group of first air passages (334) communicated with the movable cavity (331) are uniformly formed in the elastic ring (332) and the crushing piece (333).

2. The bran processing apparatus for steam explosion process according to claim 1, wherein: the feeding module (2) comprises a storage box (21) arranged on the top of the barrel body (1), a box cover (22) movably arranged on the storage box (21) and a control valve for controlling bran in the storage box (21) to enter the barrel body (1).

3. The bran processing apparatus for steam explosion process according to claim 1, wherein: the section of the first air passage (334) is of an S-shaped structure, one end of the S-shaped structure, which is positioned in the movable cavity (331), is obliquely upwards, and one end of the S-shaped structure, which is positioned between the crushing piece (333) and the crushing roller (31), is obliquely downwards.

4. A steam explosion process bran processing apparatus according to claim 3, wherein: air springs (34) corresponding to the first air passage (334) are uniformly arranged in the movable cavity (331), a group of air spraying holes are uniformly formed in each air spring (34), and each air spraying hole faces the first air passage (334).

5. The bran processing apparatus for steam explosion process according to claim 1, wherein: and a second channel (313) is symmetrically arranged at the position of each first channel (312), one end of the second channel (313) is communicated with the first channel (312), and the other end is communicated with the concave part on the crushing roller (31).

6. The bran processing apparatus for steam explosion process according to claim 5, wherein: every set up flutedly on the lateral wall of convex part on crushing roller (31), the recess rotation is installed and is installed crushing dish (35) that the cross-section is "T" type, and has been seted up the helicla flute on crushing dish (35), be equipped with in the helicla flute with helicla flute matched with bull stick (36), the cover is equipped with reset torsion spring on bull stick (36), promotes bull stick (36) through steam and makes crushing dish (35) rotate.