CN115046371A - A drying device for ground rice processing - Google Patents
A drying device for ground rice processing Download PDFInfo
- Publication number
- CN115046371A CN115046371A CN202210715400.5A CN202210715400A CN115046371A CN 115046371 A CN115046371 A CN 115046371A CN 202210715400 A CN202210715400 A CN 202210715400A CN 115046371 A CN115046371 A CN 115046371A
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- Prior art keywords
- hot air
- rice flour
- bearing sleeve
- hanging
- drying chamber
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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
- 238000001035 drying Methods 0.000 title claims abstract description 113
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 114
- 235000013312 flour Nutrition 0.000 claims abstract description 82
- 235000012149 noodles Nutrition 0.000 claims abstract description 28
- 230000004323 axial length Effects 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 76
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 description 8
- 238000006297 dehydration reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012466 permeate Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
- F26B25/185—Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Noodles (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
Abstract
The invention relates to a drying device for processing rice noodles, belonging to the technical field of drying dry rice noodles, the drying room comprises an air heater, a drying room and a hanging rod, wherein an upper top cover is arranged at the upper end of the drying room, a lower bottom cover is arranged at the lower end of the drying room, a plurality of upper air holes are formed in the upper top cover at uniform intervals, the upper air holes and the air heater a are communicated through a pipeline network group a, a plurality of lower air holes are formed in the lower bottom cover at uniform intervals, the lower air holes and the air heater b are connected through a pipeline network group b, a bearing device is arranged in the drying room and used for hanging dried rice flour to be dried, the bearing device is used for hanging the hanging rod in the drying room, through holes penetrating through the axial length of the end portion of the hanging rod are coaxially formed in the end portion of the hanging rod, the hanging rod is axially divided into hanging sections and sleeved sections respectively arranged at two ends of the hanging sections, air holes are radially formed in the outer circular surface of the hanging sections, and the air holes are communicated with the through holes.
Description
Technical Field
The invention relates to the field of rice flour processing, in particular to the field of dried rice flour drying, and particularly relates to a drying device for rice flour processing.
Background
The preparation process of the dry rice noodles comprises the following steps: rice soaking, crushing, extruding, aging, scattering, drying and packaging, wherein rice flour is scattered and called loose silk, the loose silk is generally washed by water, a large amount of moisture exists on the surface of the rice flour after the loose silk, and the drying refers to drying the rice flour to remove the moisture and is divided into three stages: the rice noodle drying method comprises a low-temperature stage, a high-temperature stage and a cooling stage, wherein the low-temperature stage is to remove the surface moisture of rice noodles as much as possible in the low-temperature stage, gradually increase the temperature of the rice noodles to enable the temperature inside and outside the rice noodles to be consistent, the temperature is generally set to be about 25 ℃, the high-temperature stage is to gradually evaporate the moisture inside the rice noodles and discharge the moisture outside the rice noodles, the temperature is controlled to be 38-42 ℃, the cooling stage is to gradually decrease the temperature of the rice noodles, and the rice noodles are dried.
In the prior art, the following problems exist in the low-temperature stage and the high-temperature stage of rice flour drying: 1. the rice noodles are hung on the hanging rod, the hanging rod is solid and immobile, as shown in figure 14, the inner side of the section b of the rice noodles is in contact with the hanging rod and is limited by the hanging rod, the surface moisture of the inner side of the section b is blocked, effective dehydration cannot be obtained, in the next high-temperature stage, the inner side of the section b is in a high-temperature state with higher surface moisture, and the inner side of the section b is very easy to generate a 'stuffy boiling' phenomenon, so that the quality of the rice noodles in the section b is influenced; 2. the hot air for drying is blocked by the rice flour on two sides of the hanging rod, the circulation is not smooth, the moisture evaporated out cannot be quickly dehumidified, and is easy to accumulate near the lower part of the hanging rod, so that the drying result of the inner side of the b section of the rice flour in a high-temperature stage is influenced.
Disclosure of Invention
In order to solve the problems mentioned in the background, the invention provides a drying device for rice noodle processing.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The utility model provides a drying device for ground rice processing, its includes air heater, drying chamber and peg, and the upper end of drying chamber is provided with top cap, lower extreme and is provided with down the bottom, and the air heater is provided with two sets ofly: the upper top cover is uniformly provided with a plurality of upper air holes at intervals, the upper air holes are communicated with the air heater a through a pipeline net group a, the lower bottom cover is uniformly provided with a plurality of lower air holes at intervals, and the lower air holes are connected with the air heater b through a pipeline net group b;
a supporting device is arranged in the drying chamber, the hanging rod is used for hanging dried rice noodles to be dried, and the supporting device is used for hanging the hanging rod in the drying chamber;
the end part of the hanging rod is coaxially provided with a through hole penetrating through the axial length of the hanging rod, the hanging rod is divided into a hanging section and sleeved sections respectively arranged at two ends of the hanging section along the axial direction, the outer circular surface of the hanging section is radially provided with air holes, the air holes are communicated with the through hole, and the air holes are arrayed in a plurality of groups along the circumferential direction of the hanging rod.
Furthermore, the supporting device comprises a plurality of groups of supporting mechanisms, and each group of supporting mechanisms consists of two groups of symmetrically arranged supporting members;
the bearing component comprises a vertical rod vertically arranged in the drying chamber, a mounting hole horizontally arranged is formed in the top of the vertical rod, and a mounting sleeve is coaxially sleeved in the mounting hole in a rotating manner.
Furthermore, a rotating shaft is coaxially and fixedly arranged at one opening end of the mounting sleeve, and two ends of the rotating shaft are opened;
the mounting sleeve is internally sleeved with a bearing sleeve, the opening end of the mounting sleeve, which is provided with a rotating shaft, is also provided with an internal step, two ends of the bearing sleeve are opened, one end of the bearing sleeve is positioned in the rotating shaft, the other end of the bearing sleeve sequentially penetrates through the internal step and the mounting sleeve and then is positioned outside the mounting sleeve and is provided with an external step, and the bearing sleeve and the internal step form sliding guide fit;
the outer portion of the bearing sleeve is sleeved with a spring, one end of the spring is in contact with the built-in step, and the other end of the spring is in contact with the external step.
Furthermore, a linkage piece is arranged between the bearing sleeve and the rotating shaft, the linkage piece is in power connection with the rotating shaft through the linkage piece, when the bearing sleeve is displaced, the rotating shaft continuously outputs power to the bearing sleeve through the linkage piece, and the linkage piece comprises an external spline arranged on the outer wall of the bearing sleeve and an internal spline arranged on the inner wall of the rotating shaft;
the one end that the mounting sleeve was stretched out to the bearing sleeve pipe is provided with the spout, and the spout runs through to the sheathed tube inner wall of bearing and the direction of guide of spout is on a parallel with the sheathed tube axial of bearing, and the spout is provided with at least a set of.
Furthermore, the bearing sleeves in the two groups of bearing components in each group of bearing mechanisms are arranged in opposite directions;
and a power connecting piece is arranged between rotating shafts in the bearing components in the two adjacent groups of bearing mechanisms and is in belt transmission with a transmission ratio of one.
The drying chamber is characterized by further comprising a driving source, wherein the driving source comprises a motor and two groups of transmission shafts, and the axial directions of the two groups of transmission shafts are parallel to the axial direction of the rotating shaft and are arranged on the drying chamber through a support;
two groups of transmission shafts: the input end of the transmission shaft b is positioned outside the drying chamber, and the output end of the transmission shaft b extends into the drying chamber;
the motor and the transmission shaft a form power connection through a power transmission piece a, the transmission shaft a and the input end of the transmission shaft b form power connection through a power transmission piece b, and the output end of the transmission shaft b and the rotating shaft in any group of bearing mechanisms form power connection through a power transmission piece c;
the transmission shaft b, the power transmission piece b and the power transmission piece c are arranged in two groups corresponding to the two groups of rotating shafts in the bearing mechanism.
Furthermore, the free end of each group of rotating shafts in the supporting device is rotatably provided with a joint, a pipeline network group c is arranged between the joint and the pipeline network group a, and hot air provided by the hot air blower a can flow into the rotating shafts through the pipeline network group a, the pipeline network group c and the joints.
Furthermore, the sleeving section of the hanging rod can be sleeved in the bearing sleeve in a sliding manner;
the outer disc of the cup joint section is provided with a sliding protrusion, and the sliding protrusion is correspondingly matched with a sliding groove formed in the bearing sleeve.
A drying method of a drying device for rice flour processing, which comprises the following steps:
the method comprises the following steps: hanging the rice flour to be dried on the hanging section of the hanging rod;
step two: hanging a hanging rod between two groups of supporting components in the supporting mechanism;
step three: the motor is started to drive the rotating shaft to rotate in a reciprocating manner after rotating in a forward rotation manner and in a reverse rotation manner, and the rotating shaft drives the bearing sleeve and the hanging rod to rotate in a reciprocating manner together in a reciprocating manner;
meanwhile, the heater in the hot air blower b does not operate, but the blower operates, and the moisture in the drying chamber is sucked and exhausted outwards through the lower air hole and the pipeline network group b;
the hot air blower a operates to provide hot air divided into two parts: one hot air flows into the drying chamber through the pipeline net group a and the upper air holes, forms hot air from top to bottom by matching with the hot air blower b, carries out low-temperature surface dehydration on the outer sides of the sections a and b of the rice flour to remove moisture on the surface of the rice flour, flows into the drying chamber through the pipeline net group c, the joint, the rotating shaft, the bearing sleeve, the through hole and the air hole, forms hot air from top to bottom by matching with the hot air blower b, carries out low-temperature surface dehydration on the inner sides of the sections a and b of the rice flour to remove moisture on the surface of the rice flour;
step four: the motor is turned off;
the heater in the hot air blower a does not operate but the blower operates, the moisture in the drying chamber is sucked and exhausted outwards through the upper air hole and the pipeline network group a, and meanwhile, the moisture in the drying chamber is sucked and exhausted outwards through the vent hole, the through hole, the bearing sleeve, the rotating shaft, the joint and the pipeline network group c;
meanwhile, hot air provided by the operation of the hot air blower b flows into the drying chamber through the pipeline net group b and the lower air hole, and the hot air blower a is matched to form hot air from bottom to top in the drying chamber, and the hot air is also divided into two parts: one hot air is used for drying the outer sides of the sections a and b of the rice flour at high temperature and then is discharged out of the pipeline net group a through an upper air hole, and the other hot air is used for drying the inner sides of the sections a and b of the rice flour at high temperature and then is discharged out of the pipeline net group c through an air hole, a through hole, a bearing sleeve, a rotating shaft, a connector and a pipeline net group;
step five: stopping the air heaters a and b, naturally cooling and reducing the temperature in the drying chamber, and taking out the rice noodles after the preset time.
Compared with the prior art, the invention has the beneficial effects that:
1. in the low-temperature stage of the third step of the scheme: two hot air streams are formed, and one hot air stream is in full contact with the inner sides of the sections a and b of the rice flour;
the other strand of hot air is in full contact with the inner side of the section a of the rice flour and the part in the inner side of the section b of the rice flour and in full contact with the part in the vent hole, and meanwhile, the hanging rod is driven to rotate in a forward rotation and a reverse rotation in a reciprocating rotation by a circle due to the operation of the motor;
in addition, after the moisture on the inner side of the section b permeates out, formed water drops can also drop downwards through the vent holes and the through holes to be drained;
in summary, the following can be found: in the low-temperature stage of the scheme, hot air can be in full contact with the inner side and the outer side of the rice flour, so that the surface dehydration effect of the rice flour can be improved, and the problems that in the prior art, the inner side of the section b cannot be effectively dehydrated, and the inner side of the section b is very easy to be subjected to the 'stuffy boiling' phenomenon in the next high-temperature stage under the state of high temperature and high surface moisture are solved;
2. in the high-temperature drying stage of the fourth step of the scheme: two hot air streams are formed, and one hot air stream is in full contact with the inner sides of the sections a and b of the rice flour;
the other strand of hot air is in full contact with the inner side of the section a of the rice flour and the part in the vent hole in the inner side of the section b, and because the moisture in the rice flour is evaporated and removed in the high-temperature drying stage, when the hot air is in full contact with the part in the vent hole in the inner side of the section b, the heat can gradually permeate into other parts in the inner side of the section b to be evaporated and removed, the inner side of the section b can be well dried at high temperature, and the moisture generated by high-temperature drying and evaporation can be quickly dehumidified;
3. in the scheme: the hot air in the third step is from top to bottom, the hot air in the fourth step is from bottom to top, the hot air and the hot air form a balance complementation, and the internal moisture of each part of the rice noodles is basically kept consistent after the rice noodles are finally dried at high temperature.
Drawings
FIG. 1 is a schematic view of the present invention when the door is closed;
FIG. 2 is a schematic structural view of the present invention after the sealing door is opened;
FIG. 3 is an exploded view of a drying chamber, an upper top cover and a lower bottom cover;
FIG. 4 is a schematic view of the driving source, the supporting device, the ventilation duct and the hanging rod;
FIG. 5 is a schematic view of the driving source, the supporting device and the ventilation duct;
FIG. 6 is a schematic view of the supporting device;
FIG. 7 is a schematic view of the support member;
FIG. 8 is a schematic view of the structure of the mounting sleeve, the bearing sleeve, the rotating shaft and the spring;
FIG. 9 is an exploded view of the mounting cup, bearing sleeve, pivot shaft and spring;
FIG. 10 is a cross-sectional view of the mounting cup, bearing sleeve and rotating shaft;
fig. 11 is a schematic structural view of a driving source;
FIG. 12 is a schematic view of the structure of the vent tube;
FIG. 13 is a schematic view of the structure of the hanging rod;
FIG. 14 is a front view of rice noodles hanging on a hanging bar.
The reference numbers in the drawings are:
100. a drying chamber; 101. sealing the door; 102. a top cover is arranged; 103. a pipeline network group a; 104. a bottom cover is arranged; 105. supporting legs; 106. a pipeline network group b;
200. a supporting device; 201. a power connection; 202. erecting a rod; 203. installing a sleeve; 204. a rotating shaft; 205. supporting a sleeve; 206. a spring; 207. a built-in step; 208. an external step; 209. a chute;
300. a drive source; 301. a motor; 302. a power transmission member a; 303. a transmission shaft a; 304. a power transmission member b; 305. a transmission shaft b; 306. a power transmission member c;
400. an air duct; 401. a joint; 402. a pipeline network group c;
500. a hanging rod; 501. a hanging section; 502. a sleeving section; 503. a sliding projection; 504. a through hole; 505. and (4) a vent hole.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 3, a drying device for processing rice noodles comprises an air heater, a drying chamber 100 and a hanging rod 500, wherein an upper top cover 102 is arranged at the upper end of the drying chamber 100, a lower bottom cover 104 is arranged at the lower end of the drying chamber, supporting legs 105 extend from the bottom of the lower bottom cover 104, the drying chamber 100 is placed on the ground through the supporting legs 105, and a sealing door 101 is arranged on the side surface of the drying chamber 100 and used for opening or closing the drying chamber 100.
The air heater is provided with two sets: hot air blower a and hot air blower b (the hot air blower is not shown in the figure), the hot air blower is used for providing hot air, and the hot air can be realized in the prior art without redundant description, wherein the temperature of the hot air provided by the hot air blower a is 25 ℃, which corresponds to the low temperature stage in the drying of the dried rice noodles, and the temperature range of the hot air provided by the hot air blower b is 38-42 ℃, which corresponds to the high temperature stage in the drying of the dried rice noodles; in addition, the hot air blower is a conventional technology, and is composed of three major parts, namely, a blower, a heater and a control circuit, and can provide hot air, and when the heater is not operated and the blower is operated alone, air can be sucked, that is, air in the drying chamber 100 can be sucked and discharged to the outside.
The upper top cover 102 is provided with a plurality of upper air holes at regular intervals, the upper air holes are communicated with the hot air blower a through a pipeline network group a103, hot air provided by the hot air blower a flows into the drying chamber 100 through the pipeline network group a103 and the upper air holes, concretely, as shown in fig. 3, the upper air holes can be divided into a plurality of groups of upper air hole rows, the pipeline network group a103 comprises a gas distribution pipe a, a gas distribution pipe b and a main air pipe, the gas distribution pipe a is provided with a plurality of groups corresponding to the upper air hole rows, the outer part of the gas distribution pipe a is provided with a plurality of groups of connecting nozzles a which are communicated with the upper air holes in the upper air hole rows in a one-to-one correspondence, the outer part of the gas distribution pipe b is provided with a plurality of groups of connecting nozzles b communicated with the gas distribution pipe a in one-to-one correspondence, the gas distribution pipe b is also communicated with the main air pipe, and the main air pipe is communicated with the hot air blower a.
A plurality of lower air holes are uniformly formed in the lower bottom cover 104 at intervals, the lower air holes are connected with the hot air blower b through a pipeline network group b106, hot air provided by the hot air blower b flows into the drying chamber 100 through the pipeline network group b106 and the lower air holes, the connection relationship between the pipeline network group b106 and the lower air holes is consistent with the connection relationship between the pipeline network group a103 and the upper air holes, and the pipeline network group b106 is not described in more detail.
As shown in fig. 2, 4 and 5, a supporting device 200 is disposed in the drying chamber 100, a hanging rod 500 is used for hanging dried rice noodles to be dried, and the supporting device 200 is used for hanging the hanging rod 500 in the drying chamber 100.
As shown in fig. 6-10, the racking device 200 includes multiple sets of racking mechanisms, each set of racking mechanisms consisting of two sets of symmetrically arranged racking members.
Specifically, as shown in fig. 7-10, the supporting member includes a vertical rod 202 vertically disposed in the drying chamber 100, a horizontally disposed mounting hole is opened at the top of the vertical rod 202, and a mounting sleeve 203 is coaxially rotatably sleeved in the mounting hole, for example, the rotating sleeve can be implemented by a bearing.
One open end of the mounting sleeve 203 is coaxially and fixedly provided with a rotating shaft 204, and the rotating shaft 204 is in a hollow shaft shape with two open ends.
A bearing sleeve 205 is coaxially and slidably arranged in the mounting sleeve 203, specifically, an opening end of the mounting sleeve 203, which is provided with the rotating shaft 204, is also provided with an internal step 207, two ends of the bearing sleeve 205 are opened, one end of the bearing sleeve 205 is positioned in the rotating shaft 204, the other end of the bearing sleeve 205 sequentially penetrates through the internal step 207 and the mounting sleeve 203 and then is positioned outside the mounting sleeve 203 and is provided with an external step 208, and a sliding guide fit is formed between the bearing sleeve 205 and the internal step 207.
A spring 206 is sleeved outside the bearing sleeve 205, one end of the spring 206 is in contact with the built-in step 207, the other end of the spring 206 is in contact with the external step 208, and the compression elasticity of the spring 206 drives the bearing sleeve 205 to move away from the rotating shaft 204.
A linkage is arranged between the bearing sleeve 205 and the rotating shaft 204, and the linkage and the rotating shaft 204 form a power connection, and when the bearing sleeve 205 is displaced, the rotating shaft 204 continuously outputs power to the bearing sleeve 205 through the linkage, preferably, the linkage comprises an external spline arranged on the outer wall of the bearing sleeve 205 and an internal spline arranged on the inner wall of the rotating shaft 204.
The one end that the bearing sleeve pipe 205 stretches out the installation cover 203 is provided with spout 209, and spout 209 runs through to the inner wall of bearing sleeve pipe 205 and the direction of guide of spout 209 is on a parallel with the axial of bearing sleeve pipe 205, and spout 209 is provided with at least one group.
As shown in fig. 6, the bearer sleeves 205 of the two sets of bearer members in each set of bearer mechanisms are arranged in opposition.
And a power connecting piece 201 is arranged between the rotating shafts 204 in the supporting members in the two adjacent groups of supporting mechanisms, the power connecting pieces 201 form power connection, the transmission ratio of the power connecting pieces 201 is one, and the power connecting pieces 201 are in belt transmission.
As shown in fig. 2-4 and 11, the drying device further includes a driving source 300, and the driving source 300 is used for providing power for the rotation of the rotating shaft 204.
Specifically, as shown in fig. 11, the driving source 300 includes a motor 301 and two sets of transmission shafts: the axial directions of the transmission shaft a303 and the transmission shaft b305 are parallel to the axial direction of the rotating shaft 204 and are both mounted on the drying chamber 100 through a bracket, wherein the transmission shaft a303 is mounted on the side wall of the drying chamber 100 through a bracket, the input end of the transmission shaft b305 is located outside the drying chamber 100, and the output end thereof extends into the drying chamber 100.
The motor 301 and the transmission shaft a303 are connected by a power transmission element a302, the transmission shaft a303 and the input end of the transmission shaft b305 are connected by a power transmission element b304, the output end of the transmission shaft b305 and the rotation shaft 204 of any one set of the bearer mechanism are connected by a power transmission element c306, and the two sets of the rotation shafts 204 of the bearer mechanism are provided, so that the two sets of the transmission shaft b305, the power transmission element b304, and the power transmission element c306 are uniformly provided in one-to-one correspondence.
The motor 301 runs to drive the rotating shaft 204 to rotate sequentially through the power transmission piece a302, the transmission shaft a303, the power transmission piece b304, the transmission shaft b305 and the power transmission piece c306, the rotating shaft 204 rotates, and the adjacent rotating shafts 204 are driven to synchronously rotate at the same direction and speed through the power connecting piece 201, that is: the motor 301 is operated to drive all the rotating shafts 204 in the supporting device 200 to rotate together at the same direction and the same speed at a low speed, wherein the transmission ratio of the power transmission member a302 is greater than one, and the rotating shafts 204 can rotate at the low speed because of the speed reduction structure, and in addition, as shown in fig. 11, the power transmission member a302 and the power transmission member b304 are gear sets, and the power transmission member c306 is belt transmission, but other existing power transmission technologies can also be used.
As shown in fig. 5 and 12, the air duct 400 is provided between the rotary shaft 204 and the main air duct in the supporting device 200.
Specifically, a joint 401 is rotatably mounted on the free end of each set of rotating shafts 204 in the supporting device 200, and a piping network group c402 is provided between the joint 401 and the main air pipe.
Specifically, the plurality of sets of supporting members in the supporting apparatus 200 may be divided into two sets of supporting member rows, and the supporting members in each set of supporting member rows are located on the same side of the drying chamber 100.
The duct network group c402 is provided in two groups corresponding to the supporting member rows.
Each group of pipe network groups c402 is composed of a connecting pipe a and a connecting pipe b, wherein the outside of the connecting pipe a is provided with a plurality of groups of connecting nozzles c which are correspondingly communicated with the joints 401 in the bearing member row one by one, one end of the connecting pipe b is communicated with the connecting pipe a, the other end of the connecting pipe b is communicated with the main air pipe in the pipe network group a103, and the connecting pipe b is provided with an electromagnetic valve.
When the electromagnetic valve is opened, the hot air provided by the hot air blower a can flow into the rotating shaft 204 through the main air pipe, the connecting pipe b, the connecting pipe a and the joint 401 in sequence, and then flow out through the inner cavity of the rotating shaft 204 and the supporting sleeve 205 in sequence.
As shown in fig. 13, a through hole 504 is coaxially opened at an end of the hanging rod 500 so as to penetrate the axial length thereof.
The hanging rod 500 is axially divided into a hanging section 501 and sleeved sections 502 respectively arranged at two ends of the hanging section 501.
Wherein, the outer circular surface of the hanging section 501 is radially provided with vent holes 505, the vent holes 505 are communicated with the through holes 504, and the vent holes 505 are arrayed in multiple groups along the circumferential direction of the hanging rod 500.
The telescoping section 502 is slidably nested within the bolster sleeve 205.
The outer circular surface of the sleeve joint section 502 is provided with a sliding protrusion 503, and the sliding protrusion 503 is correspondingly matched with the sliding groove 209 arranged on the bearing sleeve 205.
As shown in fig. 4, the hanging section 501 of the hanging rod 500 is used for hanging rice noodles to be dried, and the sleeving section 502 is used for hanging the hanging rod 500 between two sets of supporting members in the supporting mechanism in cooperation with the supporting sleeve 205.
The support member is provided with a spring 206 for engaging the hanging rod 500 with the support sleeve 205.
Specifically, the method comprises the following steps: firstly, a worker can select to press the bearing sleeve 205 by hand or directly press the bearing sleeve 205 by using the hanging rod 500, so that the end part of the bearing sleeve 205 retracts into the mounting sleeve 203, then, the sliding protrusion 503 is aligned to the sliding groove 209, and the sleeved section 502 of the hanging rod 500 is inserted into the bearing sleeve 205, so that the two sleeved sections 502 of the hanging rod 500 are sequentially inserted into the two bearing sleeves 205 in the bearing mechanism respectively, wherein the whole length of the hanging rod 500 is equal to the maximum distance between the two corresponding sliding grooves 209 in the bearing mechanism, specifically, the distance between the opposite end surfaces of the two bearing sleeves 205 in the bearing mechanism is equal to the axial length of the suspended section 501 of the hanging rod 500, the length dimension of the sliding groove 209 along the axial direction of the bearing sleeve 205 is equal to the axial length of the sleeved section 502 of the hanging rod 500, and the distance between the external step 208 and the mounting sleeve 203 is equal to twice the axial length of the sleeved section 502;
then, after the pressing on the bearing sleeve 205 is released, the spring 206 releases the elastic force, the hanging rod 500 is hung in the two groups of bearing members of the bearing mechanism under the action of the elastic force of the spring 206 in the two groups of bearing members in the bearing mechanism, the hanging rod 500 forms power connection with the bearing sleeve 205 under the matching of the sliding groove 209 and the sliding protrusion 503, when the rotating shaft 204 rotates, the rotating shaft drives the bearing sleeve 205 to rotate together through the linkage, and the bearing sleeve 205 rotates and drives the hanging rod 500 to rotate together.
The drying process of the rice flour is divided into three stages: a low temperature stage, a high temperature stage, and a cooling stage, wherein:
and (3) low-temperature stage: removing the surface moisture of the rice flour as much as possible in the stage, and gradually increasing the temperature of the rice flour to make the temperature inside and outside the rice flour consistent, wherein the temperature is generally set to be about 25 ℃;
and (3) high-temperature stage: gradually evaporating the water in the rice flour and discharging the water out of the rice flour, wherein the temperature is controlled between 38 ℃ and 42 ℃;
and (3) a cooling stage: the temperature is gradually decreased, and the rice noodles are dried.
The drying method of the drying device comprises the following steps:
the method comprises the following steps: hanging rice flour to be dried on a hanging section 501 of a hanging rod 500;
step two: opening the sealing door 101, hanging the hanging rod 500 between two groups of supporting members in the supporting mechanism, and closing the sealing door 101;
step three (low temperature stage):
the motor 301 is started to drive the rotating shaft 204 to rotate sequentially through the power transmission piece a302, the transmission shaft a303, the power transmission piece b304, the transmission shaft b305 and the power transmission piece c306, so that the rotating shaft 204 rotates in a reciprocating manner after rotating in a forward rotation manner and in a reverse rotation manner, the rotating shaft 204 rotates in a reciprocating manner through the linkage piece to drive the bearing sleeve 205 to rotate in a reciprocating manner, and the bearing sleeve 205 rotates in a reciprocating manner and drives the hanging rod 500 to rotate in a reciprocating manner;
meanwhile, the heater in the hot air blower b does not operate and the blower operates, and the moisture in the drying chamber 100 is sucked and discharged to the outside through the lower air holes and the pipe network group b 106;
the electromagnetic valve is opened, and the hot air is provided by the operation of the hot air blower a and divided into two parts: a strand of the rice flour flows into the drying chamber 100 through the pipe network a103 and the upper air holes, and forms a strand of hot air from top to bottom in cooperation with the hot air blower b as shown in fig. 14, so as to perform low-temperature surface dehydration on the outer sides of the section a and the section b of the rice flour and remove moisture on the surface of the rice flour; the other strand of rice flour flows into the drying chamber 100 through the pipe network group c402, the joint 401, the rotating shaft 204, the bearing sleeve 205, the through hole 504 and the vent 505, and forms a hot air from top to bottom in cooperation with the hot air blower b as shown in fig. 14, so as to dehydrate the inner sides of the sections a and b of the rice flour at low temperature and remove the water on the surface of the rice flour; wherein, the outer side or the inner side of the section a refers to the side of fig. 14 where the two sections a are opposite or opposite, and the outer side or the inner side of the section b refers to the side of the section b departing from the hanging rod or the side contacting with the hanging rod in fig. 14;
in the low-temperature stage of step three of the scheme: two hot air streams are formed, and one hot air stream is in full contact with the inner sides of the sections a and b of the rice flour;
the other strand of hot air is in full contact with the inner side of the section a of the rice flour and the part in the inner side of the section b of the rice flour in the vent hole 505, and meanwhile, the hanging rod is driven to rotate in a forward rotation and a reverse rotation in a reciprocating rotation in a circle by the operation of the motor;
in addition, after moisture on the inner side of the section b permeates out, formed water drops can be drained downwards through the vent holes 505 and the through holes 504;
in summary, the following can be found: in the low-temperature stage of the scheme, hot air can be in full contact with the inner side and the outer side of the rice flour, so that the surface dehydration effect of the rice flour can be improved, in the prior art, the rice flour is hung on a hanging rod, and the hanging rod is solid and immobile, so that the inner side of the section b of the rice flour is in contact with the hanging rod, the inner side of the section b cannot be effectively dehydrated, and in the next high-temperature stage, the inner side of the section b is in a high-temperature environment with high surface moisture, the inner side of the section b is very easy to generate a 'stuffy boiling' phenomenon, and the quality of the rice flour of the section b is influenced;
step four (high temperature stage):
the motor 301 is turned off;
the heater in the hot air blower a is not operated, but the blower is operated, the moisture in the drying chamber 100 is sucked and exhausted outwards through the upper air holes and the pipe network group a103, and the moisture in the drying chamber 100 is sucked and exhausted outwards through the vent holes 505, the through holes 504, the bearing sleeve 205, the rotating shaft 204, the joint 401 and the pipe network group c 402;
meanwhile, the hot air provided by the operation of the hot air blower b flows into the drying chamber 100 through the pipe network b106 and the lower air hole, and a hot air from bottom to top is formed in the drying chamber 100 by matching with the hot air blower a, and the hot air is also divided into two parts: as shown in fig. 14, one strand of rice flour is dried at high temperature on the outer side of the section a and the outer side of the section b and then discharged through the upper air hole and the duct net group a103, and the other strand of rice flour is dried at high temperature on the inner side of the section a and the inner side of the section b and then discharged through the vent hole 505, the through hole 504, the bearing sleeve 205, the rotating shaft 204, the joint 401 and the duct net group c 402;
in the high-temperature drying stage of the fourth step of the scheme:
two hot air streams are formed, and one hot air stream is in full contact with the inner sides of the sections a and b of the rice flour;
the other strand of hot air is in full contact with the inner side of the section a of the rice flour and the part, positioned in the vent hole 505, of the inner side of the section b, and because the moisture in the rice flour is evaporated and removed in the high-temperature drying stage, when the hot air is in full contact with the part, positioned in the vent hole 505, of the inner side of the section b, heat can gradually permeate into other parts of the inner side of the section b to be evaporated and removed of moisture, and the high-temperature drying of the inner side of the section b is not influenced;
in the scheme: the hot air in the third step is from top to bottom, and the hot air in the fourth step is from bottom to top, and the significance lies in:
although the hot air from top to bottom in the third step can remove the moisture on the surface of the rice flour, as time goes on, the moisture on the surface above the rice flour continuously permeates and moves downwards under the action of gravity and osmosis, so that the surface dehydration is completed in one step before the moisture on the surface below the rice flour, that is, the dehydration rate above the rice flour is higher than that below the rice flour;
although the hot air from bottom to top in the fourth step can continuously evaporate the rice flour to remove internal moisture, on one hand, the heat of the hot air continuously exchanges heat with the rice flour, and the heat continuously decreases with the continuous upward movement of the hot air, and on the other hand, the hot air continuously moves upward to contact with the rice flour to take away the evaporated moisture, and the internal humidity of the rice flour also continuously increases, namely, the high-temperature drying effect of the hot air on the rice flour continuously moves upward, the effect continuously decreases, and although the decrease exists, the range is smaller;
in the scheme, a balance complementation is formed by matching the third step with the fourth step, so that the internal moisture of each part of the rice flour is basically kept consistent after the rice flour is finally dried at high temperature;
step five (cooling stage):
the operation of the hot air blower a and the hot air blower b is stopped, the temperature in the drying chamber 100 is naturally cooled and reduced, and the rice flour is taken out after the preset time.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a drying device for ground rice processing, its includes air heater, drying chamber (100) and peg (500), and the upper end of drying chamber (100) is provided with top cap (102), lower extreme are provided with down bottom (104), its characterized in that, the air heater is provided with two sets ofly: the air heater comprises an air heater a and an air heater b, wherein a plurality of upper air holes are uniformly formed in an upper top cover (102) at intervals, the upper air holes are communicated with the air heater a through a pipeline network group a (103), a plurality of lower air holes are uniformly formed in a lower bottom cover (104) at intervals, and the lower air holes are connected with the air heater b through a pipeline network group b (106);
a supporting device (200) is arranged in the drying chamber (100), the hanging rod (500) is used for hanging dried rice noodles to be dried, and the supporting device (200) is used for hanging the hanging rod (500) in the drying chamber (100);
the end part of the hanging rod (500) is coaxially provided with a through hole (504) penetrating through the axial length of the hanging rod, the hanging rod (500) is axially divided into a hanging section (501) and sleeved sections (502) respectively arranged at two ends of the hanging section (501), the outer circular surface of the hanging section (501) is radially provided with vent holes (505), the vent holes (505) are communicated with the through hole (504), and the vent holes (505) are arrayed along the circumferential direction of the hanging rod (500) to form a plurality of groups.
2. The drying device for rice flour processing as claimed in claim 1, wherein the supporting device (200) comprises a plurality of groups of supporting mechanisms, each group of supporting mechanisms is composed of two groups of symmetrically arranged supporting members;
the supporting component comprises a vertical rod (202) vertically arranged in the drying chamber (100), a mounting hole horizontally arranged is formed in the top of the vertical rod (202), and a mounting sleeve (203) is coaxially sleeved in the mounting hole in a rotating mode.
3. The drying device for rice flour processing as claimed in claim 2, wherein an open end of the mounting sleeve (203) is coaxially and fixedly provided with a rotating shaft (204), and two ends of the rotating shaft (204) are open;
a bearing sleeve (205) is sleeved in the mounting sleeve (203), an opening end of the mounting sleeve (203) provided with a rotating shaft (204) is also provided with a built-in step (207), two ends of the bearing sleeve (205) are opened, one end of the bearing sleeve (205) is positioned in the rotating shaft (204), the other end of the bearing sleeve (205) sequentially penetrates through the built-in step (207) and the mounting sleeve (203) and then is positioned outside the mounting sleeve (203) and is provided with an external step (208), and the bearing sleeve (205) and the built-in step (207) are in sliding guide fit;
a spring (206) is sleeved outside the bearing sleeve (205), one end of the spring (206) is in contact with the inner step (207), and the other end of the spring (206) is in contact with the outer step (208).
4. The drying device for rice flour processing as claimed in claim 3, wherein a linkage is provided between the bearing sleeve (205) and the rotating shaft (204) and the linkage constitutes a power connection with the rotating shaft (204), and when the bearing sleeve (205) is displaced, the rotating shaft (204) continuously outputs power to the bearing sleeve (205) through the linkage, the linkage comprises an external spline provided on the outer wall of the bearing sleeve (205) and an internal spline provided on the inner wall of the rotating shaft (204);
one end of the bearing sleeve (205) extending out of the mounting sleeve (203) is provided with a sliding groove (209), the sliding groove (209) penetrates through the inner wall of the bearing sleeve (205) and the guiding direction of the sliding groove (209) is parallel to the axial direction of the bearing sleeve (205), and the sliding groove (209) is provided with at least one group.
5. The drying device for rice flour processing according to claim 4, wherein the supporting sleeves (205) of the two groups of supporting members in each group of supporting mechanisms are arranged in opposite directions;
a power connecting piece (201) is arranged between rotating shafts (204) in the supporting components in two adjacent groups of supporting mechanisms, and the power connecting piece (201) is in belt transmission with a transmission ratio of one.
6. The drying device for rice flour processing as claimed in claim 5, further comprising a driving source (300), wherein the driving source (300) comprises a motor (301) and two sets of transmission shafts, the axial directions of the two sets of transmission shafts are parallel to the axial direction of the rotating shaft (204) and are mounted on the drying chamber (100) through a bracket;
two groups of transmission shafts: the drying device comprises a transmission shaft a (303) and a transmission shaft b (305), wherein the transmission shaft a (303) is arranged on the side wall of the drying chamber (100) through a support, the input end of the transmission shaft b (305) is positioned outside the drying chamber (100), and the output end of the transmission shaft b (305) extends into the drying chamber (100);
the motor (301) and the transmission shaft a (303) form power connection through a power transmission piece a (302), the transmission shaft a (303) and the input end of the transmission shaft b (305) form power connection through a power transmission piece b (304), and the output end of the transmission shaft b (305) and the rotating shaft (204) in any one group of supporting mechanisms form power connection through a power transmission piece c (306);
two sets of transmission shafts b (305), two sets of power transmission members b (304), and two sets of power transmission members c (306) are provided corresponding to the two sets of rotation shafts (204) in the supporting mechanism.
7. The drying device for rice flour processing as claimed in claim 6, wherein the free end of each group of rotating shafts (204) in the supporting device (200) is rotatably provided with a joint (401), a pipe network group c (402) is arranged between the joint (401) and the pipe network group a (103), and hot air provided by the hot air blower a can flow into the rotating shafts (204) through the pipe network group a (103), the pipe network group c (402) and the joint (401).
8. The drying device for rice flour processing as claimed in claim 7, wherein the sleeving section (502) of the hanging rod (500) is slidably sleeved in the supporting sleeve (205);
the outer circular surface of the sleeving section (502) is provided with a sliding bulge (503), and the sliding bulge (503) is correspondingly matched with a sliding groove (209) arranged on the bearing sleeve (205).
9. A drying method of a drying device for rice flour processing according to claim 8, characterized in that: which comprises the following steps:
the method comprises the following steps: hanging rice flour to be dried on a hanging section (501) of a hanging rod (500);
step two: hanging a hanging rod (500) between two sets of supporting members in the supporting mechanism;
step three: the motor (301) is started to drive the rotating shaft (204) to rotate in a reciprocating manner after rotating in a forward rotation manner for one circle and then rotating in a reverse rotation manner for one circle, and the rotating shaft (204) drives the bearing sleeve (205) and the hanging rod (500) to rotate in a reciprocating manner together in a reciprocating manner;
meanwhile, the heater in the hot air blower b does not operate, but the blower operates, and the moisture in the drying chamber (100) is sucked and exhausted outwards through the lower air hole and the pipe network group b (106);
the hot air blower a operates to provide hot air divided into two parts: one strand of hot air flows into the drying chamber (100) through the pipeline net group a (103) and the upper air hole, forms hot air from top to bottom by matching with the hot air blower b, dehydrates the low-temperature surface of the outer side of the section a and the outer side of the section b of the rice flour to remove the moisture on the surface of the rice flour, flows into the drying chamber (100) through the pipeline net group c (402), the joint (401), the rotating shaft (204), the bearing sleeve (205), the through hole (504) and the air hole (505), forms hot air from top to bottom by matching with the hot air blower b, dehydrates the low-temperature surface of the inner side of the section a and the inner side of the section b of the rice flour to remove the moisture on the surface of the rice flour;
step four: the motor (301) is turned off;
the heater in the hot air blower a does not operate, the blower operates, moisture in the drying chamber (100) is sucked and exhausted outwards through the upper air holes and the pipe network group a (103), and meanwhile, moisture in the drying chamber (100) is sucked and exhausted outwards through the vent holes (505), the through holes (504), the bearing sleeve (205), the rotating shaft (204), the joint (401) and the pipe network group c (402);
meanwhile, hot air provided by the operation of the hot air blower b flows into the drying chamber (100) through the pipe network group b (106) and the lower air hole, and forms a hot air from bottom to top in the drying chamber (100) by matching with the hot air blower a, and the hot air is also divided into two parts: one hot blast is used for drying the outer sides of the sections a and b of the rice flour at high temperature and then discharging the dried rice flour through an upper air hole and a pipeline net group a (103), and the other hot blast is used for drying the inner sides of the sections a and b of the rice flour at high temperature and then discharging the dried rice flour through a vent hole (505), a through hole (504), a bearing sleeve (205), a rotating shaft (204), a connector (401) and a pipeline net group c (402);
step five: and (3) stopping the operation of the hot air blower a and the hot air blower b, naturally cooling and reducing the temperature in the drying chamber (100), and taking out the rice noodles after preset time.
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| CN202210715400.5A CN115046371B (en) | 2022-06-23 | 2022-06-23 | A drying device for ground rice processing |
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| CN216282421U (en) * | 2021-11-09 | 2022-04-12 | 广西品冠食品有限责任公司 | Rice flour is drying device for production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109425209A (en) * | 2017-08-25 | 2019-03-05 | 成都佳源大繁生态农业发展有限公司 | Edible wild bacterium drying equipment |
| CN209042935U (en) * | 2018-11-09 | 2019-06-28 | 南阳理工学院 | Drying unit is used in a kind of production and processing of vermicelli |
| CN210520027U (en) * | 2019-08-14 | 2020-05-15 | 江西麻姑食品科技有限公司 | Rice noodle cooling support |
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| CN216282421U (en) * | 2021-11-09 | 2022-04-12 | 广西品冠食品有限责任公司 | Rice flour is drying device for production line |
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