CN107549852B - Fresh walnut drying device and drying method thereof - Google Patents
Fresh walnut drying device and drying method thereof Download PDFInfo
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- CN107549852B CN107549852B CN201710985214.2A CN201710985214A CN107549852B CN 107549852 B CN107549852 B CN 107549852B CN 201710985214 A CN201710985214 A CN 201710985214A CN 107549852 B CN107549852 B CN 107549852B
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Abstract
The invention relates to a fresh walnut drying device and a drying method thereof, wherein a uniquely designed drying chamber is adopted, the temperature of the drying chamber can be adjusted to a proper temperature before walnuts are dried, walnuts can be conveyed to the drying chamber under the condition that the drying environment temperature of the drying chamber is kept unchanged, meanwhile, under the condition that walnuts in the drying chamber are dynamically dried, the first drying air is dynamic air, and the second drying air and a circulating chain in the drying chamber continuously run, so that the uniform and thorough drying of the walnuts are ensured, and meanwhile, the dehydration degree of the walnuts is judged through weighing detection, and the problem that the walnuts are mildewed when being stored in a later period due to incomplete drying caused by empirical estimation is avoided.
Description
Technical Field
The invention relates to the field of fresh walnut processing, in particular to a fresh walnut drying device and a drying method thereof.
Background
Walnut, also known as walnut and walnut, is a walnut plant, is called four famous dry fruits in the world together with almond, cashew and hazelnut, walnut kernel contains rich nutrients, each hundred grams of walnut kernel contains 15 g of protein, 15 ~ 20 g of fat, 10 g of carbohydrate, various trace elements and mineral substances such as calcium, phosphorus, iron and the like which are necessary for human bodies, and various vitamins such as carotene, riboflavin and the like.
However, in order to facilitate the sale and transportation of walnuts, the walnuts need to be quickly dried, the traditional method is long in time consumption and time waste, the natural drying effect is poor, partial walnuts are not completely dried, and the walnuts are easy to go moldy and deteriorate in the transportation process.
The existing walnut drying device needs to place walnuts and then heat and dry the walnuts, and the temperature change in the drying chamber is uneven, so that the drying degree of the walnuts is different, and the walnuts which are not dried in place can also appear.
Disclosure of Invention
The invention aims to provide a fresh walnut drying device and a drying method thereof, aiming at solving the problems that when batch walnuts are dried, the drying is not uniform and the drying is not thorough easily caused by the existing walnut drying method.
In order to solve the technical problems, the invention adopts the technical scheme that:
a fresh walnut drying device comprises a control system for controlling each component to automatically work, and further comprises a U-shaped channel type drying chamber, wherein a high-temperature fan is arranged on the outer wall of the drying chamber so as to introduce high-temperature circulating air into the drying chamber, a plurality of temperature measuring units are uniformly distributed in the drying chamber, temperature information detected by the temperature measuring units is transmitted to the control system, and the control system controls the high-temperature fan to work so as to control the temperature in the drying chamber, a row of powerful fans with vertically upward air outlets are arranged at an inlet of the drying chamber and an outlet of the drying chamber, air blown out by the powerful fans is matched with the top of the drying chamber to form an air wall for sealing so as to prevent hot air in the drying chamber from flowing out of the drying chamber, at least one row of drying circulating conveying systems distributed along the length direction of the drying chamber is arranged in the drying chamber, an inlet circulating conveying system for supplying walnuts to be dried to the drying circulating, an outlet circulation system used for receiving the dried walnuts on the drying circulation conveying system is arranged at an outlet of the drying chamber, the drying circulation conveying system, the inlet circulation conveying system and the outlet circulation system all comprise circulation conveying frames, a plurality of rows of circulation chains which are symmetrically distributed in pairs at intervals are arranged on the circulation conveying frames from top to bottom, a plurality of hooks are arranged on each circulation chain, the hooks on each pair of circulation chains are mutually symmetrical, a plurality of walnut racks used for clamping the walnuts to be dried are arranged between each pair of circulation chains, two ends of each walnut rack are hung on the hooks, each pair of circulation chains are driven by the same stepping motor to ensure synchronous rotation of each pair of circulation chains, a pair of weighing mechanisms and a pair of rotary material shifting mechanisms are arranged at the tail ends of each pair of circulation chains in the inlet circulation conveying system and the drying circulation conveying system, and the walnuts are controlled by the action of the rotary material shifting mechanisms, The weighing mechanism comprises a weighing base, a supporting rib plate, a weighing device, a weighing disc and an electric push rod, wherein one end of the weighing base is fixed on the circulating conveying frame, an image acquisition device for recording the serial number of the corresponding weighing frame is further arranged on the top of the weighing base, one side of the supporting rib plate is fixed on the circulating conveying frame, the top of the supporting rib plate is arranged at the bottom of the weighing base in a propping manner, the weighing device is fixed on the top of the weighing base, the weighing disc is arranged on the top of the weighing device, the fixed end of the electric push rod is fixed on the top of the weighing disc, a U-shaped fork is fixed on the output end of the electric push rod, a rotary material stirring mechanism is arranged at the upper right side of each weighing mechanism, the weighing mechanism supports and weighs walnut racks on each pair of circulating chains under the action of the electric push rod through the U-shaped fork in the weighing mechanism, and sends the weight information and the image information, the control system sends an instruction to the rotary material stirring mechanism to control the work of the rotary material stirring mechanism.
The walnut rack comprises a rectangular rack body, support rods which are convenient to hang on the training strips are welded in the middle of two ends of the rack body in the length direction, the support rods are matched with the hooks, the rack body is a rectangular frame, a plurality of pairs of long bars distributed along the length direction are welded on the rack body, each pair of long bars are matched to form a slide way on which walnuts slide, the width of the slide way is equal to one fourth of the minimum outer diameter of the walnut, a plurality of hemispherical grooves which are distributed at intervals along the length direction of the slide way and used for containing the walnut are arranged on the slide way, the diameter of each hemispherical groove is equal to one half of the minimum outer diameter of the walnut, a press belt made of metal wave plates is covered on each slide way, two ends of each press belt are fixed on the frame body, a plurality of grooves matched with the hemispherical grooves are formed in each press belt, and the walnuts are fixed on the frame body through the matching of the hemispherical grooves and the grooves.
The rotary material shifting mechanism comprises a turntable and a shifting lever, wherein one end of the shifting lever is fixed on the turntable, an L-shaped groove is formed in the other end of the shifting lever, a shifting head is arranged at the position, located at the inlet of the L-shaped groove, of the shifting lever, and the walnut rack is shifted into the L-shaped groove to be transported under the action of the shifting head.
The drying method using the fresh walnut drying device comprises the following steps:
firstly, fixing walnuts to be dried within 8 hours after green husks are removed on a walnut rack, then hanging the walnut rack on a circulating chain on an inlet circulating conveying system, controlling the circulating chain on the inlet circulating conveying system to rotate through a control system after the circulating chain is fully hung with the walnut rack, and stopping when one of the walnut racks on the circulating chain moves to a position above a weighing mechanism;
step two, starting the high-temperature fan and the powerful fan, controlling the temperature in the drying chamber to be 30-35 ℃ through the temperature measuring unit, keeping the temperature, starting and adjusting a circulating chain of the drying circulating system, and enabling the circulating chain to be located at a position for bearing materials on the rotary material stirring mechanism and stop;
step three, starting a weighing mechanism at the tail end of a circulating chain on the inlet circulating conveying system in the step one, utilizing a U-shaped fork of the weighing mechanism to support and weigh walnut racks on each pair of circulating chains above the weighing mechanism under the action of an electric push rod, transmitting weighing information to a control system, recording the serial number x and the corresponding weight D1x of each walnut rack, then controlling a rotary material stirring mechanism at the upper right of the weighing mechanism to transfer materials to the circulating chain of a drying circulating system, resetting the weighing mechanism at the tail end of the circulating chain on the inlet circulating conveying system, and moving the circulating chain of the inlet circulating conveying system and the circulating chain of the drying circulating system to the position of the next walnut rack;
step four, repeating the step three until all walnut racks on the circulating chain of the inlet circulating conveying system are transferred to the circulating chain of the drying circulating system, stopping working of the circulating chain of the circulating conveying system, adjusting circulating action of the circulating chain of the drying circulating system, keeping the temperature in the drying chamber at 30-35 ℃, continuing for 12-15 hours, adjusting the temperature in the drying chamber to be 50 ℃, continuing for 12 hours, adjusting the temperature in the drying chamber to be 30 ℃, keeping the temperature for 10 hours, stopping working of the circulating chain of the drying circulating system, and moving the circulating chain to a position right above a weighing mechanism at the tail end of the circulating chain of the drying circulating system;
step five, starting a weighing mechanism at the tail end of a circulating chain of the drying circulating system, simultaneously starting the circulating chain of the outlet circulating system, adjusting the circulating chain to a position for bearing the walnut racks, utilizing a U-shaped fork of the weighing mechanism to support and weigh the walnut racks above the weighing mechanism on each pair of circulating chains under the action of an electric push rod, transmitting weighing information to a control system, recording the serial number x and the corresponding weight D2x of each walnut rack, comparing D2x with D1x,
when the D2x is not more than half of the D1x, the rotary material stirring mechanism on the upper right of the weighing mechanism is controlled to transfer the materials to the circulating chain of the outlet circulating system, then the weighing mechanism at the tail end of the circulating chain on the drying circulating conveying system is reset, the circulating chain of the outlet circulating conveying system and the circulating chain of the drying circulating system both move to the position of the next walnut rack and repeat the operation,
when the D2x is larger than half of the D1x, the weighing mechanism is controlled to reset, the walnut rack is placed on the circulating chain of the drying circulating system again, then the circulating chain of the drying circulating system is controlled to move to the position of the next walnut rack, weighing processing and judging are carried out on the walnut rack, and the fifth step is repeated;
and step six, finishing drying until all walnut racks on the circulating chain of the drying circulating system in the step five are transferred to the circulating chain of the outlet circulating system.
The weight D1x of the walnut rack in the third step is the sum of the results measured by the weighing mechanisms at the two ends of the walnut rack.
The invention has the beneficial effects that: according to the walnut drying device, the temperature of the drying chamber can be adjusted to a proper temperature before the walnuts are dried through the uniquely designed drying chamber, the walnuts can be conveyed to the drying chamber under the condition that the drying environment temperature of the drying chamber is kept unchanged, meanwhile, under the condition that the walnuts in the drying chamber are dynamically dried, the first drying air is dynamic air, and the second drying air and the circulating chain in the drying chamber continuously run, so that the walnuts are uniformly and thoroughly dried, meanwhile, the walnut dehydration degree is judged through weighing detection, and the problem that the walnuts are moldy during later-period storage due to incomplete drying caused by empirical estimation is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a side view of a drying chamber in the present invention.
Fig. 3 is a schematic structural view of a weighing mechanism in the present invention.
Fig. 4 is a schematic structural diagram of the rotary kick-out mechanism of the present invention.
Fig. 5 is a schematic structural view of the walnut rack of the invention.
Fig. 6 is a schematic structural diagram of the walnut rack pressing belt in the invention.
Graphic notation: 1. an inlet circulation conveying system; 2. a drying circulating conveying system; 201. a drying chamber; 202. a powerful fan; 3. an outlet circulation system; 4. rotating the material poking mechanism; 401. a turntable; 402. a deflector rod; 403. an L-shaped slot; 5. a weighing mechanism; 501. a support rib plate; 502. a weighing base; 503. a weighing device; 504. an electric push rod; 505. a U-shaped fork; 506. a weighing pan; 6. circulating the chain; 7. walnut shelves; 701. a support rod; 702. a frame body; 703. a hemispherical groove; 704. pressing the belt; 705. a groove; 8. and (5) circulating the conveying frame.
Detailed Description
The specific embodiment shown in the figure is as follows:
the utility model provides a bright walnut drying device, including a control system who is used for controlling each part automatic work, still include the drying chamber 201 of a U-shaped passageway formula, be provided with the high temperature fan on the outer wall of drying chamber 201 so that let in high temperature circulation wind toward the drying chamber in, a plurality of temperature cell have been evenly distributed in the drying chamber 201, the temperature information that the temperature cell detected transmits for control system and controls the work of high temperature fan so that control the temperature in the drying chamber through control system, the entrance of drying chamber and the exit of drying chamber all are provided with the vertical ascending powerful fan 202 of a row of air outlet, the wind that powerful fan 202 blew off forms with the top cooperation of drying chamber 201 and is used for the air wall of sealed in order to prevent the hot-blast outflow drying chamber 201 in the drying chamber, be provided with a row of stoving circulation conveying system 2 along drying chamber 201 length direction distribution in the drying chamber 201, be provided with an entrance circulation conveying system that is used for treating the stoving for The annular conveying system 1 is provided with an outlet circulating system 3 for receiving the dried walnuts on the drying circulating conveying system at an outlet of the drying chamber, the drying circulating conveying system 2, the inlet circulating conveying system 1 and the outlet circulating system 3 respectively comprise a circulating conveying frame 8, three rows of circulating chains 6 which are symmetrically distributed in pairs at intervals are arranged on the circulating conveying frame 8 from top to bottom, each circulating chain 6 is provided with a plurality of hooks, the hooks on each pair of circulating chains 6 are mutually symmetrical, a plurality of walnut racks 7 for clamping the walnuts to be dried are arranged between each pair of circulating chains 6, two ends of each walnut rack 7 are hung on the hooks, each pair of circulating chains 6 are driven by the same stepping motor to ensure the synchronous rotation of each pair of circulating chains 6, the tail ends of each pair of circulating chains 6 in the inlet circulating conveying system 1 and the drying circulating conveying system 2 are provided with a pair of weighing mechanisms 5 and a pair of rotary material stirring mechanisms 4, the walnut rack 7 is controlled to be transferred between the drying circulating conveying system 2, the inlet circulating conveying system 1 and the outlet circulating system 3 through the action of the rotary material shifting mechanism 4, the weighing mechanism 5 comprises a weighing base 502, a supporting rib plate 501, a weighing device 503, a weighing disc 506 and an electric push rod 504, one end of the weighing base 502 is fixed on the circulating conveying frame 8, an image acquisition device for recording the number of the corresponding weighing frame is further arranged on the top of the weighing base, one side of the supporting rib plate 501 is fixed on the circulating conveying frame 8, the top of the supporting rib plate 501 is arranged at the bottom of the weighing base 502 in a propping mode, the weighing device 503 is fixed on the top of the weighing base 502, the weighing disc 506 is arranged on the top of the weighing device 503, the fixed end of the electric push rod 504 is fixed on the top of the weighing disc 506, a U-shaped fork 505 is fixed on the output end of the electric push rod 504, the weighing mechanism 4 supports and weighs the walnut racks 7 on each pair of circulating chains 6 through the U-shaped fork 505 in the weighing mechanism under the action of the electric push rod 504, then sends the weight information and the image information acquired by the image acquisition device to the control system, and the control system sends an instruction to the rotary material shifting mechanism to control the work of the rotary material shifting mechanism.
The walnut rack 7 comprises a rectangular rack body 702, a support rod 701 which is convenient to hang on the training strip is welded at the middle part of the two ends of the rack body 702 in the length direction, the support rod 701 is matched with a hook, the rack body 702 is a rectangular frame, a plurality of pairs of long bars distributed along the length direction are welded on the rack body 702, each pair of long bars are matched to form a slide way for the walnut to slide on, the width of the slide way is equal to one fourth of the minimum outer diameter of the walnut, a plurality of hemispherical grooves 703 which are distributed at intervals along the length direction of the slide way and are used for containing the walnut are arranged on the slide way, the diameter of each hemispherical groove is equal to one half of the minimum outer diameter of the walnut, a press belt 704 made of a metal wave plate is covered on each slide way, two ends of the press belt 704 are fixed on the frame body, a plurality of grooves 705 which are matched with the hemispherical grooves are arranged on the press belt 704, the walnut is fixed on the frame body 702 through the matching of the semi-spherical groove 703 and the groove 705.
The rotary material shifting mechanism 4 comprises a rotary disc 402 and a shifting lever 403, one end of the shifting lever 403 is fixed on the rotary disc 402, an L-shaped groove is formed in the other end of the shifting lever 403, a shifting head is arranged at the inlet of the L-shaped groove of the shifting lever 403, and the walnut rack is shifted into the L-shaped groove to be transported under the action of the shifting head.
The drying method using the fresh walnut drying device comprises the following steps:
firstly, fixing walnuts to be dried within 8 hours after green husks are removed on a walnut rack, then hanging the walnut rack on a circulating chain on an inlet circulating conveying system, controlling the circulating chain on the inlet circulating conveying system to rotate through a control system after the circulating chain is fully hung with the walnut rack, and stopping when one of the walnut racks on the circulating chain moves to a position above a weighing mechanism;
step two, starting the high-temperature fan and the powerful fan, controlling the temperature in the drying chamber to be 30-35 ℃ through the temperature measuring unit, keeping the temperature, starting and adjusting a circulating chain of the drying circulating system, and enabling the circulating chain to be located at a position for bearing materials on the rotary material stirring mechanism and stop;
step three, starting a weighing mechanism at the tail end of a circulating chain on the inlet circulating conveying system in the step one, utilizing a U-shaped fork of the weighing mechanism to support and weigh walnut racks on each pair of circulating chains above the weighing mechanism under the action of an electric push rod, transmitting weighing information to a control system, recording the serial number x and the corresponding weight D1x of each walnut rack, then controlling a rotary material stirring mechanism at the upper right of the weighing mechanism to transfer materials to the circulating chain of a drying circulating system, resetting the weighing mechanism at the tail end of the circulating chain on the inlet circulating conveying system, and moving the circulating chain of the inlet circulating conveying system and the circulating chain of the drying circulating system to the position of the next walnut rack;
step four, repeating the step three until all walnut racks on the circulating chain of the inlet circulating conveying system are transferred to the circulating chain of the drying circulating system, stopping working of the circulating chain of the circulating conveying system, adjusting circulating action of the circulating chain of the drying circulating system, keeping the temperature in the drying chamber at 30-35 ℃, continuing for 12-15 hours, adjusting the temperature in the drying chamber to be 50 ℃, continuing for 12 hours, adjusting the temperature in the drying chamber to be 30 ℃, keeping the temperature for 10 hours, stopping working of the circulating chain of the drying circulating system, and moving the circulating chain to a position right above a weighing mechanism at the tail end of the circulating chain of the drying circulating system;
step five, starting a weighing mechanism at the tail end of a circulating chain of the drying circulating system, simultaneously starting the circulating chain of the outlet circulating system, adjusting the circulating chain to a position for bearing the walnut racks, utilizing a U-shaped fork of the weighing mechanism to support and weigh the walnut racks above the weighing mechanism on each pair of circulating chains under the action of an electric push rod, transmitting weighing information to a control system, recording the serial number x and the corresponding weight D2x of each walnut rack, comparing D2x with D1x,
when the D2x is not more than half of the D1x, the rotary material stirring mechanism on the upper right of the weighing mechanism is controlled to transfer the materials to the circulating chain of the outlet circulating system, then the weighing mechanism at the tail end of the circulating chain on the drying circulating conveying system is reset, the circulating chain of the outlet circulating conveying system and the circulating chain of the drying circulating system both move to the position of the next walnut rack and repeat the operation,
when the D2x is larger than half of the D1x, the weighing mechanism is controlled to reset, the walnut rack is placed on the circulating chain of the drying circulating system again, then the circulating chain of the drying circulating system is controlled to move to the position of the next walnut rack, weighing processing and judging are carried out on the walnut rack, and the fifth step is repeated;
and step six, finishing drying until all walnut racks on the circulating chain of the drying circulating system in the step five are transferred to the circulating chain of the outlet circulating system.
The weight D1x of the walnut rack in the third step is the sum of the results measured by the weighing mechanisms at the two ends of the walnut rack.
The technical solutions and embodiments of the present invention are not limited, and the same solutions or effects as those of the technical solutions and embodiments of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a bright walnut drying device, includes a control system who is used for controlling each part automatic work, its characterized in that: the drying device is characterized by further comprising a U-shaped channel type drying chamber, a high-temperature fan is arranged on the outer wall of the drying chamber to conveniently introduce high-temperature circulating air into the drying chamber, a plurality of temperature measuring units are uniformly distributed in the drying chamber, temperature information detected by the temperature measuring units is transmitted to a control system, and the control system controls the high-temperature fan to work so as to control the temperature in the drying chamber, a row of powerful fans with vertical and upward air outlets are arranged at the inlet of the drying chamber and the outlet of the drying chamber, air blown out by the powerful fans is matched with the top of the drying chamber to form a sealed air wall so as to prevent hot air in the drying chamber from flowing out of the drying chamber, at least one row of drying circulating conveying systems distributed along the length direction of the drying chamber is arranged in the drying chamber, an inlet circulating conveying system for supplying walnuts to be dried to the drying circulating conveying system is arranged at the inlet of the drying chamber, and one outlet The mouth circulation system, the drying circulation conveying system, the inlet circulation conveying system and the outlet circulation system all comprise circulation conveying frames, a plurality of rows of circulation chains which are symmetrically distributed in pairs at intervals are arranged on the circulation conveying frames from top to bottom, a plurality of hooks are arranged on each circulation chain, the hooks on each pair of circulation chains are mutually symmetrical, a plurality of walnut racks used for clamping walnuts to be dried are arranged between each pair of circulation chains, two ends of each walnut rack are hung on the hooks, each pair of circulation chains are driven by the same stepping motor to ensure the synchronous rotation of each pair of circulation chains, the tail ends of each pair of circulation chains in the inlet circulation conveying system and the drying circulation conveying system are respectively provided with a pair of weighing mechanisms and a pair of rotary material stirring mechanisms, and the walnut racks are controlled to be transferred among the drying circulation conveying system, the inlet circulation conveying system and the outlet circulation system through the action of the rotary, the weighing mechanism comprises a weighing base, a supporting rib plate, a weighing device, a weighing disc and an electric push rod, wherein one end of the weighing base is fixed on the circulating conveying frame, an image acquisition device for recording the serial number of the corresponding weighing frame is further arranged on the top of the weighing base, one side of the supporting rib plate is fixed on the circulating conveying frame, the top of the supporting rib plate is propped against the bottom of the weighing base, the weighing device is fixed on the top of the weighing base, the weighing disc is arranged on the top of the weighing device, the fixed end of the electric push rod is fixed on the top of the weighing disc, a U-shaped fork is fixed on the output end of the electric push rod, a rotary material shifting mechanism is arranged at the upper right side of each weighing mechanism, the weighing mechanism supports and weighs the walnut racks on each pair of circulating chains under the action of the electric push rod through the U-shaped forks in the weighing mechanism, the control system sends an instruction to the rotary material stirring mechanism to control the work of the rotary material stirring mechanism.
2. The fresh walnut drying device of claim 1, wherein: the walnut rack include the support body, the middle part welding at support body length direction's both ends is convenient for hang the die-pin of establishing on practicing the strip, the die-pin matches each other with the couple, the support body is a rectangular frame, the welding has many pairs of rectangular rod along its length direction distribution on the support body, every pair of rectangular rod cooperation forms a slide that supplies the walnut to slide on it, and the width of slide equals the quarter of the minimum external diameter of walnut, be provided with a plurality of hemisphere grooves that are used for holding the walnut along its length direction interval distribution on the slide, the diameter of hemisphere groove equals the half of the minimum external diameter of walnut, all cover on every slide and be equipped with a pressure area of being made by metal wave plate, the both ends of pressing the area are fixed on the support body, be provided with a plurality of recesses of mutually supporting with hemisphere groove on the pressure area, spherical half spherical groove and recess cooperation are fixed the walnut on the support body through half spherical groove.
3. The fresh walnut drying device of claim 1, wherein: the rotary material shifting mechanism comprises a rotary disc and a shifting lever, wherein one end of the shifting lever is fixed on the rotary disc, an L-shaped groove is formed in the other end of the shifting lever, a shifting head is arranged at the inlet of the L-shaped groove of the shifting lever, and the walnut rack is shifted into the L-shaped groove to be transported under the action of the shifting head.
4. The drying method of the fresh walnut drying device according to claim 1, characterized in that: the method comprises the following steps:
firstly, fixing walnuts to be dried within 8 hours after green husks are removed on a walnut rack, then hanging the walnut rack on a circulating chain on an inlet circulating conveying system, controlling the circulating chain on the inlet circulating conveying system to rotate through a control system after the circulating chain is fully hung with the walnut rack, and stopping when one of the walnut racks on the circulating chain moves to a position above a weighing mechanism;
step two, starting the high-temperature fan and the powerful fan, controlling the temperature in the drying chamber to be 30-35 ℃ through the temperature measuring unit, keeping the temperature, starting and adjusting a circulating chain of the drying circulating system, and enabling the circulating chain to be located at a position for bearing materials on the rotary material stirring mechanism and stop;
step three, starting a weighing mechanism at the tail end of a circulating chain on the inlet circulating conveying system in the step one, utilizing a U-shaped fork of the weighing mechanism to support and weigh walnut racks on each pair of circulating chains above the weighing mechanism under the action of an electric push rod, transmitting weighing information to a control system, recording the serial number x and the corresponding weight D1x of each walnut rack, then controlling a rotary material stirring mechanism at the upper right of the weighing mechanism to transfer materials to the circulating chain of a drying circulating system, resetting the weighing mechanism at the tail end of the circulating chain on the inlet circulating conveying system, and moving the circulating chain of the inlet circulating conveying system and the circulating chain of the drying circulating system to the position of the next walnut rack;
step four, repeating the step three until all walnut racks on the circulating chain of the inlet circulating conveying system are transferred to the circulating chain of the drying circulating system, stopping working of the circulating chain of the circulating conveying system, adjusting circulating action of the circulating chain of the drying circulating system, keeping the temperature in the drying chamber at 30-35 ℃, continuing for 12-15 hours, adjusting the temperature in the drying chamber to be 50 ℃, continuing for 12 hours, adjusting the temperature in the drying chamber to be 30 ℃, keeping the temperature for 10 hours, stopping working of the circulating chain of the drying circulating system, and moving the circulating chain to a position right above a weighing mechanism at the tail end of the circulating chain of the drying circulating system;
step five, starting a weighing mechanism at the tail end of a circulating chain of the drying circulating system, simultaneously starting the circulating chain of the outlet circulating system, adjusting the circulating chain to a position for bearing the walnut racks, utilizing a U-shaped fork of the weighing mechanism to support and weigh the walnut racks above the weighing mechanism on each pair of circulating chains under the action of an electric push rod, transmitting weighing information to a control system, recording the serial number x and the corresponding weight D2x of each walnut rack, comparing D2x with D1x,
when the D2x is not more than half of the D1x, the rotary material stirring mechanism on the upper right of the weighing mechanism is controlled to transfer the materials to the circulating chain of the outlet circulating system, then the weighing mechanism at the tail end of the circulating chain on the drying circulating conveying system is reset, the circulating chain of the outlet circulating conveying system and the circulating chain of the drying circulating system both move to the position of the next walnut rack and repeat the operation,
when the D2x is larger than half of the D1x, the weighing mechanism is controlled to reset, the walnut rack is placed on the circulating chain of the drying circulating system again, then the circulating chain of the drying circulating system is controlled to move to the position of the next walnut rack, weighing processing and judging are carried out on the walnut rack, and the fifth step is repeated;
and step six, finishing drying until all walnut racks on the circulating chain of the drying circulating system in the step five are transferred to the circulating chain of the outlet circulating system.
5. The drying method of claim 4 by using the fresh walnut drying device of claim 1, wherein the drying method comprises the following steps: the weight D1x of the walnut rack in the third step is the sum of the results measured by the weighing mechanisms at the two ends of the walnut rack.
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| CN106403501A (en) * | 2016-09-28 | 2017-02-15 | 青岛科技大学 | Drying system controlling feeding air quantity intelligently according to coal supply amount |
| KR101725953B1 (en) * | 2015-05-22 | 2017-04-11 | 농업회사법인 (주)썬드림 | Apparatus for keeping freshness and suppressing browning of peeling garlic |
| CN206165762U (en) * | 2016-07-28 | 2017-05-17 | 青海藏海工贸有限公司 | Chinese wolfberry drying dish |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204426637U (en) * | 2014-12-30 | 2015-07-01 | 云南云澳达坚果开发有限公司 | A kind of Queensland nut drying device with weighing device |
| KR101725953B1 (en) * | 2015-05-22 | 2017-04-11 | 농업회사법인 (주)썬드림 | Apparatus for keeping freshness and suppressing browning of peeling garlic |
| CN206165762U (en) * | 2016-07-28 | 2017-05-17 | 青海藏海工贸有限公司 | Chinese wolfberry drying dish |
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