CN115769837B - Irradiation-based rice embryo retaining preservation method - Google Patents
Irradiation-based rice embryo retaining preservation method Download PDFInfo
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- CN115769837B CN115769837B CN202211553975.8A CN202211553975A CN115769837B CN 115769837 B CN115769837 B CN 115769837B CN 202211553975 A CN202211553975 A CN 202211553975A CN 115769837 B CN115769837 B CN 115769837B
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 115
- 235000009566 rice Nutrition 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 59
- 210000001161 mammalian embryo Anatomy 0.000 title claims abstract description 18
- 238000004321 preservation Methods 0.000 title description 3
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 114
- 239000000463 material Substances 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims description 28
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000003890 embryo preservation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 238000012840 feeding operation Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 229930003451 Vitamin B1 Natural products 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229960003495 thiamine Drugs 0.000 description 1
- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 description 1
- 239000011691 vitamin B1 Substances 0.000 description 1
- 235000010374 vitamin B1 Nutrition 0.000 description 1
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Abstract
The invention discloses a method for preserving rice embryo based on irradiation, wherein a preserving device adopted by the preserving method comprises a quantitative distribution mechanism and an irradiation mechanism, the quantitative distribution mechanism comprises a receiving disc, the receiving disc is uniformly connected with a receiving pipe, the end part of the receiving pipe is in contact installation with a bracket, a discharging hole is arranged on the bracket, a driving assembly is arranged between the bracket and the receiving disc, and a spacing feeding assembly is arranged in the receiving disc; the irradiation mechanism comprises an irradiation tube, an electron accelerator is coaxially and fixedly arranged in the irradiation tube, and a guide round table is arranged on the accelerator; the quantitative distribution and interval feeding of the rice are realized through the quantitative distribution mechanism, so that the rice is orderly fed into the irradiation mechanism along the material guiding pipe, and the rice is dispersed by combining the guide circular table, so that the irradiation treatment quality of the rice is ensured, the irradiation intensity is reduced, and the quality of the treated rice is ensured.
Description
Technical Field
The invention relates to the technical field of rice preservation, in particular to a method for preserving rice embryo based on irradiation.
Background
The embryo-retaining rice is refined rice which retains embryo parts of the rice in the processing process and has embryo retaining rate of more than 80%, the embryo-retaining rice contains rich fat, protein, vitamin B1 and the like, the nutrition value is high, but the embryo-retaining rice has more fat, microorganisms are easy to reproduce under the condition of proper temperature and moisture content, so that the shelf life of the embryo-retaining rice is shortened, the embryo-retaining rice is usually sterilized by irradiation, killed by insects, prevented from mildew, prevented from sprouting and prolonged in shelf life, but the irradiation intensity is usually increased for thorough sterilization in the irradiation process, the moisture content of the rice is reduced due to overlarge irradiation intensity, the breakage of the rice is caused, and meanwhile, the taste of the rice is influenced by high-intensity irradiation treatment.
The existing rice irradiation treatment is carried out after the rice is packaged, and the packaged and compacted bagged rice has increased thickness, so that the irradiation treatment intensity is further increased by a producer, and the rice quality is reduced.
Disclosure of Invention
The invention aims to provide a method for preserving rice embryo based on irradiation, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a method for preserving the embryo of rice based on irradiation, the preserving device used in the said preserving method includes quantitative distribution mechanism and irradiation mechanism;
the quantitative distribution mechanism comprises a receiving disc, wherein the receiving disc is uniformly connected with a receiving pipe, an extending column is arranged at the central axis of the receiving disc, the receiving disc and the extending column are rotatably installed, the extending column is coaxially connected with a supporting column, a bracket is fixedly arranged on the supporting column, the end part of the receiving pipe is in contact installation with the bracket, a discharging hole is formed in the bracket, the distance between the central axis of the receiving pipe and the central axis of the extending column is equal to the distance between the center of the discharging hole and the central axis of the supporting column, a scraping plate is installed on the extending column, the radius of the scraping plate is identical to the inner diameter of the receiving disc, a driving assembly is arranged between the bracket and the receiving disc, and a spacing feeding assembly is arranged in the receiving disc;
the irradiation mechanism comprises an irradiation tube, a material guide tube is connected to the irradiation tube, a connecting flange is arranged at the end part of the material guide tube, the connecting flange is installed in cooperation with a blanking hole, an electron accelerator is arranged in the irradiation tube, the electron accelerator is arranged on the central axis of the irradiation tube, a connecting column is coaxially installed on the electron accelerator, fixing supports are uniformly arranged on the connecting column in the circumferential direction, the fixing supports are fixedly connected with the inner wall of the irradiation tube, and a guide round table is arranged at the end part of the connecting column;
the fresh-keeping method comprises the following steps:
s1, quantitatively distributing, starting an interval feeding assembly, conveying rice to be processed into a receiving pipe, starting a driving assembly after the rice falls into the receiving pipe, rotating a receiving disc, rotating the receiving pipe filled with the rice around the central axis of an extending column, and scraping excessive rice on the receiving pipe by a scraper when the receiving pipe reaches the position of the scraper;
s2, carrying out irradiation treatment, namely enabling the rice in the material receiving pipe to fall into the blanking hole when the material receiving pipe rotates to reach the blanking hole, enabling the rice to enter the irradiation pipe through the material guiding pipe, starting an electron accelerator in the irradiation pipe, enabling the rice in the falling process to fall along the edge of the guide circular table under the guide action of the guide circular table, and carrying out irradiation treatment on the rice in the falling process by using electron rays generated by the electron accelerator.
As a further scheme of the invention: the drive assembly comprises a second extension plate arranged at the edge of the bracket, the second extension plate is fixedly connected with a drive motor, the drive motor is connected with a drive gear, the receiving disc is provided with an outer gear ring, and the drive gear is meshed with the outer gear ring.
As still further aspects of the invention: the interval feeding assembly comprises a first extension plate arranged at the edge of the bracket, a mounting column is arranged on the first extension plate, a feeding pipe is fixedly arranged on the mounting column, the tail end of the feeding pipe points to the receiving disc, a first fixing frame is uniformly arranged on the inner ring of the receiving disc, clamping plates are symmetrically arranged on the first fixing frame, conductive spring columns are arranged between the clamping plates, a second fixing frame is arranged on the feeding pipe, and a conductive plate is arranged on the second fixing frame.
As still further aspects of the invention: the scraper blade corresponds to the material receiving pipe part and is provided with a clearance groove, and the width of the clearance groove is equal to the inner diameter of the material receiving pipe.
As still further aspects of the invention: be provided with first spacing groove and second spacing groove on the bracket, first spacing groove sets up with the second spacing groove is concentric, distance between first spacing groove and the second spacing groove is greater than the internal diameter of unloading hole, the tip of receiving material pipe is provided with antifriction bearing, antifriction bearing is provided with two, two antifriction bearing distributes on the coplanar with the central axis of extension post, and two antifriction bearing mutually support with first spacing groove and second spacing groove respectively.
As still further aspects of the invention: the bottom of bracket evenly is provided with the stiffening rib, the stiffening rib extension at first extension board and second extension board position sets up.
As still further aspects of the invention: the irradiation mechanism further comprises a shielding assembly, the shielding assembly comprises a shielding cover arranged on the outer side of the irradiation tube, shielding liquid is filled in the shielding cover, and a filling tube is arranged on the shielding cover.
As still further aspects of the invention: a discharging auger is arranged in the material guide pipe, and the discharging auger is fixedly arranged on the inner wall of the material guide pipe.
Compared with the prior art, the invention has the beneficial effects that:
(1) The support column and the extension column are utilized to respectively mount the bracket and the receiving disc, the receiving disc is driven by the driving assembly to rotate around the extension column, the receiving tube is uniformly arranged in the receiving disc, the bottom of the receiving tube is in contact with the bracket to form a closed structure, after the interval feeding assembly conveys rice into the receiving tube, the receiving tube drives the rice to move in the rotating process of the bracket, when the receiving tube moves to the blanking hole of the bracket, the rice in the receiving tube falls down through the blanking hole and enters the irradiation mechanism to carry out irradiation treatment, wherein the inner diameter of the receiving tube is smaller than the inner diameter of the blanking hole, and rice residues in the blanking process can be avoided; the central axis of the material receiving pipe is mutually overlapped with the circle center of the blanking hole in the moving process of the material receiving pipe, so that the reliable blanking without residues is further ensured;
(2) The irradiation intensity is reduced by dispersing the rice, an electron accelerator is coaxially arranged in a vertically arranged irradiation tube, a connecting column and a fixed support are utilized for fixed installation, meanwhile, a guide round table is arranged at the top of the connecting column, the fallen rice falls along the lower edge of the guide round table under the guide action of the guide round table, irradiation treatment is carried out in the falling process, compared with the irradiation treatment mode of stacking after packaging is finished, the irradiation intensity required by uniformly fallen rice is obviously reduced, the irradiation sterilization and disinsection treatment requirements of the rice are ensured, and the rice processing quality and edible taste are ensured;
(3) The gap groove is formed in the scraping plate, the scraping plate is prevented from being contacted with the surface of the bracket at the edge part of the blanking hole in the scraping process, rice is sheared and rolled to be cracked, the first limiting groove and the second limiting groove are formed in the bracket, the rolling bearing arranged at the bottom of the receiving pipe is matched, the receiving pipe is matched with the first limiting groove and the second limiting groove respectively along with the rolling bearing in the rotating process of the receiving disc, the reliable rotation of the rice is driven by the receiving pipe, the rotation resistance is reduced, the blanking auger is arranged in the feeding pipe, the falling speed of the rice can be delayed, the too fast falling of the rice is avoided, the rice is effectively dispersed, the rice uniformly and orderly falls from the edge of the guide round table, and the irradiation treatment quality is improved;
(4) The shielding component is arranged on the outer side of the irradiation tube, and the irradiation tube is shielded by filling shielding liquid into the shielding cover sleeved on the outer side of the irradiation tube, so that the safety in the irradiation treatment process is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a method for preserving rice embryo based on irradiation.
Fig. 2 is a schematic structural view of a bracket in a method for preserving rice embryo based on irradiation.
Fig. 3 is a schematic diagram of the structure of a receiving disc in a method for preserving the embryo of rice based on irradiation.
Fig. 4 is a schematic structural view of a receiving pipe in a method for preserving the embryo of rice based on irradiation.
Fig. 5 is a schematic structural diagram of a spacer feeding assembly in a method for preserving rice embryo based on irradiation.
Fig. 6 is a schematic diagram showing the cooperation between the scraper and the receiving pipe in the irradiation-based rice embryo preservation method.
Fig. 7 is a schematic diagram showing the distribution and installation of reinforcing ribs in a method for preserving rice embryo based on irradiation.
Fig. 8 is a schematic structural view of a material guiding pipe in a method for preserving the embryo of rice based on irradiation.
Fig. 9 is a schematic structural view of an irradiation mechanism in a method for preserving rice embryo based on irradiation.
In the figure: 1. a support column; 100. an extension column; 101. a scraper; 1010. a clearance groove; 102. reinforcing ribs; 2. a quantitative distribution mechanism; 20. a bracket; 21. a first limit groove; 22. the second limit groove; 23. a blanking hole; 24. a first extension plate; 25. a second extension plate; 250. a driving motor; 251. a drive gear; 26. a receiving disc; 260. an outer ring gear; 261. a first fixing frame; 262. a clamping plate; 263. a conductive spring post; 27. a material receiving pipe; 270. a rolling bearing; 28. a feed pipe; 280. a second fixing frame; 281. a conductive plate; 29. a mounting column; 3. a material guiding pipe; 30. discharging auger; 31. a connecting flange; 4. an irradiation mechanism; 40. an electron accelerator; 41. a connecting column; 42. a fixed bracket; 43. guiding round platform; 44. a shield; 45. a filling pipe; 46. the tube is irradiated.
Detailed Description
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the 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 such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
As shown in fig. 1-9, a method for preserving the embryo of the rice based on irradiation, wherein a preserving device adopted by the preserving method comprises a quantitative distribution mechanism 2 and an irradiation mechanism 4;
the quantitative distribution mechanism 2 comprises a receiving disc 26, wherein the receiving disc 26 is uniformly connected with a material receiving tube 27, an extension column 100 is arranged at the central axis of the receiving disc 26, the receiving disc 26 and the extension column 100 are rotatably installed, the extension column 100 is coaxially connected with a support column 1, a bracket 20 is fixedly arranged on the support column 1, the end part of the material receiving tube 27 is in contact installation with the bracket 20, a blanking hole 23 is arranged on the bracket 20, the distance between the central axis of the material receiving tube 27 and the central axis of the extension column 100 is equal to the distance between the center of the blanking hole 23 and the central axis of the support column 1, a scraping plate 101 is installed on the extension column 100, the radius of the scraping plate 101 is the same as the inner diameter of the receiving disc 26, a driving component is arranged between the bracket 20 and the receiving disc 26, and a spacing feeding component is arranged in the receiving disc 26;
specifically, as shown in fig. 1 and 3, a bracket 20 is fixedly arranged on a support column 1, an extension column 100 is arranged on the support column 1 and used for rotatably mounting a receiving disc 26, the receiving disc 26 is driven by a driving assembly to rotate around the extension column 100, a receiving pipe 27 is uniformly arranged in the receiving disc 26, the bottom of the receiving pipe 27 is in contact with the bracket 20 and is mounted to form a closed structure, after a feeding assembly is used for conveying rice into the receiving pipe 27, the receiving pipe 27 drives the rice to move in the rotating process of the bracket 20, when the receiving pipe 27 moves to the position of a blanking hole 23 of the bracket 20, the rice in the receiving pipe 27 falls down through the blanking hole 23 and enters an irradiation mechanism 4 for irradiation treatment, wherein the inner diameter of the receiving pipe 27 is smaller than the inner diameter of the blanking hole 23, and rice residues in the blanking process can be avoided; the center axis of the receiving pipe 27 coincides with the center of the blanking hole 23 in the moving process of the receiving pipe 27, so that the reliable blanking without residues is further ensured.
More specifically, the feeding is performed at intervals through the material receiving pipe 27, so that the accuracy of quantitative packaging can be ensured while the radiation is thorough.
The irradiation mechanism 4 comprises an irradiation tube 46, the irradiation tube 46 is connected with a material guide tube 3, the end part of the material guide tube 3 is provided with a connecting flange 31, the connecting flange 31 is matched with the blanking hole 23, an electron accelerator 40 is arranged in the irradiation tube 46, the electron accelerator 40 is arranged on the central axis of the irradiation tube 46, the electron accelerator 40 is coaxially provided with a connecting column 41, the connecting column 41 is circumferentially and uniformly provided with a fixed support 42, the fixed support 42 is fixedly connected with the inner wall of the irradiation tube 46, and the end part of the connecting column 41 is provided with a guide round table 43;
specifically, as shown in fig. 8 and 9, the rice enters the guide pipe 3 through the blanking hole 23, enters the irradiation mechanism 4 along the guide pipe 3, and is fixedly installed by coaxially arranging the electron accelerator 40 in the irradiation pipe 46 which is vertically arranged in order to reduce irradiation intensity, meanwhile, the guide round table 43 is arranged at the top of the connecting column 41, the fallen rice falls along the lower edge of the guide round table 43 under the guiding action of the guide round table 43, irradiation treatment is performed in the falling process, and compared with the irradiation treatment mode of stacking after packaging, the irradiation intensity required by the uniformly fallen rice is obviously reduced, so that the rice irradiation sterilization and disinsection treatment requirements are ensured, and the rice processing quality and edible taste are ensured.
The fresh-keeping method comprises the following steps:
s1, quantitatively distributing, starting an interval feeding assembly, conveying rice to be processed into a receiving pipe 27, starting a driving assembly after the rice falls into the receiving pipe 27, rotating a receiving disc 26, rotating the receiving pipe 27 filled with the rice around the central axis of an extension column 100, and scraping excessive rice on the receiving pipe 27 by a scraper 101 when the receiving pipe 27 reaches the position of the scraper 101;
s2, carrying out irradiation treatment, namely when the material receiving pipe 27 rotates to reach the position of the blanking hole 23, enabling the rice in the material receiving pipe 27 to fall into the blanking hole 23, enabling the rice to enter the irradiation pipe 46 through the material receiving pipe 3, starting the electron accelerator 40 in the irradiation pipe 46, enabling the rice in the falling process to fall along the edge of the guide round table 43 under the guide action of the guide round table 43, and carrying out irradiation treatment on the rice in the falling process by using electron rays generated by the electron accelerator 40.
Further, as shown in fig. 3, the driving assembly includes a second extension plate 25 disposed at an edge of the bracket 20, the second extension plate 25 is fixedly connected with a driving motor 250, the driving motor 250 is connected with a driving gear 251, the receiving disc 26 is provided with an outer gear ring 260, and the driving gear 251 is meshed with the outer gear ring 260.
Specifically, the outer ring gear 260 is arranged on the outer ring of the receiving disc, the second extension plate 25 is arranged on the bracket 20, the driving motor 250 is fixedly installed, and the receiving disc 26 is driven to rotate by the mutual engagement of the driving gear 251 on the driving motor 250 and the outer ring gear 260, so that the intermittent feeding and discharging operations are realized.
Further, the interval feeding assembly comprises a first extension plate 24 arranged at the edge of the bracket 20, a mounting column 29 is arranged on the first extension plate 24, a feeding pipe 28 is fixedly arranged on the mounting column 29, the tail end of the feeding pipe 28 points to the receiving disc 26, a first fixing frame 261 is uniformly arranged on the inner ring of the receiving disc 26, clamping plates 262 are arranged on the first fixing frame 261, the clamping plates 262 are symmetrically arranged, a conductive spring column 263 is arranged between the clamping plates 262, a second fixing frame 280 is arranged on the feeding pipe 28, and a conductive plate 281 is arranged on the second fixing frame 280.
Specifically, as shown in fig. 2, 3 and 5, the feeding pipe 28 is fixedly installed through the first extension plate 24, the first fixing frame 261 is uniformly arranged on the inner ring of the receiving disc 26, the first fixing frame 261 is arranged on a plane formed by the extension column 100 and the central axis of the receiving tube 27, the clamping plate 262 is arranged in combination with the first fixing frame 261, the opposite conductive spring column 263 is arranged on the clamping plate 262, meanwhile, the second fixing frame 280 is arranged on one side of the feeding pipe 28 facing the first fixing frame 261, the conductive plate 281 is installed by the second fixing frame 280, the receiving disc 26 rotates along with the first fixing frame 261 in the rotating process, when the receiving disc 26 rotates to the position of the feeding pipe 28, the conductive plate 281 arranged on the second fixing frame 280 enters between the clamping plates 262, the conductive spring column 263 is connected, the driving assembly stops working after the connection, the receiving disc 26 stops rotating, the feeding pipe 28 conveys rice into the receiving tube 27, and the driving assembly continues to drive the receiving disc 26 to rotate after the conveying operation, and the feeding operation is performed on the next receiving tube 27.
Further, a clearance groove 1010 is provided at a portion of the scraper 101 corresponding to the receiving pipe 27, and the width of the clearance groove 1010 is equal to the inner diameter of the receiving pipe 27.
Specifically, as shown in fig. 6, by providing the clearance groove 1010 on the scraper 101, the scraper 101 is prevented from contacting the surface of the bracket 20 at the edge portion of the blanking hole 23 during scraping, and the rice is prevented from being crushed by shearing and rolling.
Further, a first limit groove 21 and a second limit groove 22 are arranged on the bracket 20, the first limit groove 21 and the second limit groove 22 are concentrically arranged, the distance between the first limit groove 21 and the second limit groove 22 is larger than the inner diameter of the blanking hole 23, rolling bearings 270 are arranged at the end part of the material receiving pipe 27, two rolling bearings 270 are arranged, the two rolling bearings 270 and the central axis of the extension column 100 are distributed on the same plane, and the two rolling bearings 270 are respectively matched with the first limit groove 21 and the second limit groove 22.
Specifically, as shown in fig. 2 and fig. 4, a first limiting groove 21 and a second limiting groove 22 are formed in the bracket 20, the rolling bearing 270 is arranged at the bottom of the receiving pipe 27 in a matched manner, the rolling bearing 270 is respectively matched with the first limiting groove 21 and the second limiting groove 22 along with the rotation of the receiving disk 26 in the receiving pipe 27, the reliable rotation of the rice driven by the receiving pipe 27 is ensured, and meanwhile, the rotation resistance is reduced.
Further, the bottom of the bracket 20 is uniformly provided with a reinforcing rib 102, and the reinforcing ribs 102 at the first extension plate 24 and the second extension plate 25 are disposed in an extended manner.
Further, the irradiation mechanism 4 further comprises a shielding assembly, the shielding assembly comprises a shielding cover 44 arranged on the outer side of the irradiation tube 46, shielding liquid is filled in the shielding cover 44, and a filling tube 45 is arranged on the shielding cover 44.
Specifically, as shown in fig. 9, in order to avoid radiation leakage affecting the health of operators, a shielding component is arranged on the outer side of the radiation tube 46, and the radiation tube 46 is shielded by filling shielding liquid into the shielding cover 44 sleeved on the outer side of the radiation tube 46, so that the safety in the radiation treatment process is ensured.
Further, a discharging auger 30 is arranged in the material guiding pipe 3, and the discharging auger 30 is fixedly installed on the inner wall of the material guiding pipe 3.
Specifically, as shown in fig. 8, the blanking auger 30 is arranged in the material guiding pipe 3, so that the falling speed of the rice can be delayed, the too fast falling of the rice is avoided, the rice is effectively dispersed, the rice uniformly and orderly falls from the edge of the guiding circular table 43, and the irradiation treatment quality is improved.
The working principle of the embodiment of the invention is as follows:
as shown in fig. 1-9, by fixedly arranging the bracket 20 on the support column 1 and arranging the extension column 100 on the support column 1 at the same time for rotatably mounting the receiving disc 26, the receiving disc 26 is driven by the driving component to rotate around the extension column 100, the receiving pipes 27 are uniformly arranged in the receiving disc 26, the bottoms of the receiving pipes 27 are in contact with the bracket 20 to form a closed structure for receiving rice, after the feeding component conveys the rice into the receiving pipes 27 at intervals, the receiving pipes 27 drive the rice to move in the rotating process of the bracket 20, when the receiving pipes 27 move to the position of the blanking hole 23 of the bracket 20, the rice in the receiving pipes 27 falls down through the blanking hole 23 and enters the irradiation mechanism 4 for irradiation treatment, wherein the inner diameter of the receiving pipes 27 is smaller than the inner diameter of the blanking hole 23, so that rice residues in the blanking process can be avoided; the center axis of the receiving pipe 27 coincides with the center of the blanking hole 23 in the moving process of the receiving pipe 27, so that the reliable blanking without residues is further ensured. The material is fed at intervals through the material receiving pipe 27, so that the irradiation is thorough, and meanwhile, the accuracy of quantitative packaging can be ensured. The rice enters the guide pipe 3 through the blanking hole 23, enters the irradiation mechanism 4 along the guide pipe 3, and is subjected to irradiation treatment in the process of falling, so that the irradiation intensity required by uniformly falling rice is obviously reduced compared with the stacked irradiation treatment mode after packaging is finished, the irradiation sterilization and disinsection treatment requirements of the rice are ensured, and the processing quality and the edible taste of the rice are ensured. Through setting up outer ring gear 260 at the outer lane of receiving disc, set up second extension board 25 fixed mounting driving motor 250 simultaneously on bracket 20, utilize driving gear 251 and the intermeshing of outer ring gear 260 on the driving motor 250, drive receiving disc 26 and rotate, realize interval pay-off and unloading operation. The first extension plate 24 is combined to fixedly mount the feeding pipe 28, the first fixing frame 261 is uniformly arranged on the inner ring of the receiving disc 26, the first fixing frame 261 is arranged on a plane formed by the extension column 100 and the central axis of the receiving tube 27, the clamping plate 262 is arranged in combination with the first fixing frame 261, the opposite conductive spring column 263 is arranged on the clamping plate 262, meanwhile, the second fixing frame 280 is arranged on one side of the feeding pipe 28, which faces the first fixing frame 261, the second fixing frame 280 is used for mounting the conductive plate 281, the receiving disc 26 rotates along with the first fixing frame 261 in the rotating process, when the receiving disc 26 rotates to the position of the feeding pipe 28, the conductive plate 281 arranged on the second fixing frame 280 enters between the clamping plates 262, the conductive spring column 263 is connected, the driving assembly stops working after the connection, the receiving disc 26 stops rotating, the feeding pipe 28 conveys rice into the receiving tube 27, and the driving assembly continues to drive the receiving disc 26 to rotate after conveying is finished, and feeding operation is performed on the next receiving tube 27. By providing the clearance groove 1010 on the scraper 101, the scraper 101 is prevented from contacting the surface of the bracket 20 at the edge part of the blanking hole 23 in the scraping process, so that the rice is sheared and rolled to break the rice. The first limiting groove 21 and the second limiting groove 22 are formed in the bracket 20, the rolling bearing 270 is arranged at the bottom of the receiving pipe 27 in a matched mode, and the rolling bearing 270 is respectively matched with the first limiting groove 21 and the second limiting groove 22 along with the rotation of the receiving disc 26 in the receiving pipe 27, so that the receiving pipe 27 is guaranteed to drive rice to reliably rotate, and meanwhile rotation resistance is reduced. In order to avoid radiation leakage from affecting the health of operators, a shielding assembly is arranged on the outer side of the radiation tube 46, shielding liquid is filled into the radiation tube 46 in combination with a shielding cover 44 sleeved on the outer side of the radiation tube 46 to shield the radiation tube 46, and the safety in the radiation treatment process is ensured. The blanking auger 30 is arranged in the material guiding pipe 3, so that the falling speed of rice can be delayed, the too fast falling of rice is avoided, meanwhile, the rice is effectively dispersed, the rice uniformly and orderly falls from the edge of the guiding circular table 43, and the irradiation treatment quality is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The method is characterized in that a fresh-keeping device adopted by the fresh-keeping method comprises a quantitative distribution mechanism (2) and an irradiation mechanism (4);
the quantitative distribution mechanism (2) comprises a receiving disc (26), the receiving disc (26) is uniformly connected with a material receiving pipe (27), an extension column (100) is arranged at the central axis of the receiving disc (26), the receiving disc (26) and the extension column (100) are rotatably installed, the extension column (100) is coaxially connected with a support column (1), a bracket (20) is fixedly arranged on the support column (1), the end part of the material receiving pipe (27) is in contact installation with the bracket (20), a blanking hole (23) is arranged on the bracket (20), the distance between the central axis of the material receiving pipe (27) and the central axis of the extension column (100) is equal to the distance between the center of the blanking hole (23) and the central axis of the support column (1), a scraper (101) is installed on the extension column (100), the radius of the scraper (101) is the same as the inner diameter of the receiving disc (26), a driving assembly is arranged between the bracket (20) and the receiving disc (26), and a feeding assembly is arranged in the receiving disc (26).
The irradiation mechanism (4) comprises an irradiation tube (46), the irradiation tube (46) is connected with a material guide tube (3), the end part of the material guide tube (3) is provided with a connecting flange (31), the connecting flange (31) is matched with a blanking hole (23) for installation, an electron accelerator (40) is arranged in the irradiation tube (46), the electron accelerator (40) is arranged on the central axis of the irradiation tube (46), a connecting column (41) is coaxially arranged on the electron accelerator (40), a fixing support (42) is uniformly arranged on the connecting column (41) in the circumferential direction, the fixing support (42) is fixedly connected with the inner wall of the irradiation tube (46), and a guide round table (43) is arranged at the end part of the connecting column (41);
the fresh-keeping method comprises the following steps:
s1, quantitatively distributing, starting an interval feeding assembly, conveying rice to be processed into a receiving pipe (27), starting a driving assembly after the rice falls into the receiving pipe (27), rotating a receiving disc (26), rotating the receiving pipe (27) filled with the rice around the central axis of an extending column (100), and scraping excessive rice on the receiving pipe (27) by a scraper (101) when the receiving pipe (27) reaches the position of the scraper (101);
s2, carrying out irradiation treatment, namely enabling the rice in the material receiving pipe (27) to fall into the material discharging hole (23) when the material receiving pipe (27) rotates to reach the material discharging hole (23), enabling the rice to enter the irradiation pipe (46) through the material guiding pipe (3), starting the electron accelerator (40) in the irradiation pipe (46), enabling the rice in the falling process to fall along the edge of the guide circular table (43) under the guide action of the guide circular table (43), and carrying out irradiation treatment on the rice in the falling process by using electron rays generated by the electron accelerator (40).
2. The method for preserving the embryo of the rice based on the irradiation according to claim 1, wherein the driving assembly comprises a second extension plate (25) arranged at the edge of the bracket (20), the second extension plate (25) is fixedly connected with a driving motor (250), the driving motor (250) is connected with a driving gear (251), the receiving disc (26) is provided with an outer gear ring (260), and the driving gear (251) is meshed with the outer gear ring (260).
3. The method for preserving the rice germ based on irradiation according to claim 2, wherein the interval feeding assembly comprises a first extension plate (24) arranged at the edge of the bracket (20), a mounting column (29) is arranged on the first extension plate (24), a feeding pipe (28) is fixedly arranged on the mounting column (29), the tail end of the feeding pipe (28) points to the receiving disc (26), a first fixing frame (261) is uniformly arranged on the inner ring of the receiving disc (26), clamping plates (262) are arranged on the first fixing frame (261), the clamping plates (262) are symmetrically arranged, conductive spring columns (263) are arranged between the clamping plates (262), a second fixing frame (280) is arranged on the feeding pipe (28), and a conductive plate (281) is arranged on the second fixing frame (280).
4. The irradiation-based rice embryo preservation method according to claim 1, wherein a clearance groove (1010) is formed in a part of the scraper (101) corresponding to the receiving pipe (27), and the width of the clearance groove (1010) is equal to the inner diameter of the receiving pipe (27).
5. The method for preserving the rice germ based on irradiation according to claim 1, wherein a first limit groove (21) and a second limit groove (22) are arranged on the bracket (20), the first limit groove (21) and the second limit groove (22) are concentrically arranged, the distance between the first limit groove (21) and the second limit groove (22) is larger than the inner diameter of the blanking hole (23), rolling bearings (270) are arranged at the end part of the receiving pipe (27), two rolling bearings (270) are arranged, the two rolling bearings (270) and the central axis of the extension column (100) are distributed on the same plane, and the two rolling bearings (270) are respectively matched with the first limit groove (21) and the second limit groove (22).
6. A method of preserving rice germ as claimed in claim 3, wherein the bottom of the bracket (20) is uniformly provided with reinforcing ribs (102), and the reinforcing ribs (102) at the first extension plate (24) and the second extension plate (25) are extended.
7. The method for preserving rice germ as claimed in claim 1, wherein the irradiation mechanism (4) further comprises a shielding assembly, the shielding assembly comprises a shielding cover (44) arranged outside an irradiation pipe (46), shielding liquid is filled in the shielding cover (44), and a filling pipe (45) is arranged on the shielding cover (44).
8. The irradiation-based rice embryo preservation method according to claim 1, wherein a blanking auger (30) is arranged in the material guiding pipe (3), and the blanking auger (30) is fixedly arranged on the inner wall of the material guiding pipe (3).
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| CN114246210A (en) * | 2021-12-22 | 2022-03-29 | 黑龙江省原子能研究院 | Method for making irradiation process for preserving rice with germ |
| CN216906656U (en) * | 2022-03-29 | 2022-07-08 | 杨凌核盛辐照技术有限公司 | System device for irradiation fresh-keeping treatment of fresh agricultural products by X-ray |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103535431A (en) * | 2013-10-17 | 2014-01-29 | 常熟市梅李镇香园稻米专业合作社 | Irradiation insect-killing and mildew-prevention method for rice |
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