CN116817572B - Drying equipment for food processing with heat recycling function - Google Patents
Drying equipment for food processing with heat recycling function Download PDFInfo
- Publication number
- CN116817572B CN116817572B CN202311114172.7A CN202311114172A CN116817572B CN 116817572 B CN116817572 B CN 116817572B CN 202311114172 A CN202311114172 A CN 202311114172A CN 116817572 B CN116817572 B CN 116817572B
- Authority
- CN
- China
- Prior art keywords
- frame
- drying
- detection
- heat
- fastening connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001035 drying Methods 0.000 title claims abstract description 121
- 235000013305 food Nutrition 0.000 title claims abstract description 29
- 238000004064 recycling Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000000034 method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000013324 preserved food Nutrition 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 235000021404 traditional food Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
-
- 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
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
-
- 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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- 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
-
- 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
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
- F26B25/225—Controlling the drying process in dependence on liquid content of solid materials or objects by repeated or continuous weighing of the material or a sample thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
Abstract
The invention discloses a food processing drying device with a heat recycling function, which comprises a frame, a conveying device, a heat recycling device, a drying device, a detection device and a control system, wherein the conveying device is fixedly connected with the frame, the heat recycling device is fixedly connected with the frame, the drying device is fixedly connected with the frame, a working chamber is arranged in the frame, the heat recycling device is communicated with the drying device, the conveying device is positioned in the working chamber, the drying device is positioned in the working chamber, the detection device is fixedly connected with the frame, the detection device is electrically connected with the drying device, the detection device is positioned in the working chamber, the detection device is electrically connected with the control system, the heat recycling device is used for recycling hot air flow generated during drying, and the hot air flow is used for assisting the detection device to detect fruit slices.
Description
Technical Field
The invention relates to the technical field of food drying, in particular to a food processing drying device with a heat recycling function.
Background
In order to prolong the shelf life of food, the food is often stored after being dried, the moisture of the dried food is reduced, the food is favorable for long-term storage at room temperature, the weight and the volume of the dried food are reduced, the packaging, storage and transportation cost can be obviously saved, the carrying and the storage and transportation are convenient, the traditional food drying method basically adopts a sun-drying method, a boiler method, a fire drying method and the like for drying, and the problems of high manual labor amount, difficult guarantee of sanitary quality and the like exist.
The existing food drying generally adopts methods such as air energy heat pump drying, microwave drying and the like, and the microwave drying heats food by utilizing electromagnetic waves, when microwave energy contacts with the food, the microwave energy can be absorbed by the food, because water molecules in the food have polarity and can act with microwaves, the microwave energy can cause the vibration of the water molecules in the food to generate heat energy, so that the internal temperature of the food is increased, the moisture in the food is evaporated, and the microwave drying device has the advantages of high drying speed, high efficiency and the like, and has been widely applied to the field of food processing.
Most foods are inconsistent in size and different in weight, the foods are often dried by microwaves with fixed power in the drying process, smaller foods are easy to excessively dry, larger foods are not completely dried, the moisture content of the foods is difficult to be kept consistent after the foods are dried, and heat generated by drying is not effectively recovered, so that energy waste is caused.
Disclosure of Invention
The invention aims to provide a food processing drying device with a heat recycling function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: drying equipment includes frame, conveyor, heat cycle device, drying device, detection device, control system, conveyor and frame fastening connection, heat cycle device and frame fastening connection, drying device and frame fastening connection are equipped with the working chamber in the frame, heat cycle device and drying device intercommunication, and conveyor is located the working chamber, and drying device is located the working chamber, and detection device and frame fastening connection, detection device and drying device electricity are connected, and detection device is located the working chamber, and detection device and control system electricity are connected.
The invention mainly aims at drying sliced fruits, the rack provides stable support for other devices, the rack is made of stainless steel, the service life of equipment is ensured, the working chamber provides a relatively airtight space for drying, the dissipation of hot air is prevented, the energy consumption is reduced, the conveying device is used for conveying the fruit slices to be dried to the drying device for drying, the thermal circulation device is used for recycling hot air generated during drying, the hot air is used for assisting the detection device to detect the fruit slices, the detection device is mainly used for detecting the moisture and the weight of the fruit slices and transmitting the water to the control system, thereby adjusting the power of the drying device in real time and ensuring the uniformity of drying.
Further, the conveying device comprises a driving motor, a conveying belt, a driving roller and a fixing frame, the fixing frame is fixedly connected with the frame, the driving motor is fixedly connected with the fixing frame, the driving roller is in transmission connection with the output end of the driving motor, the driving roller is in rotation connection with the fixing frame, the conveying belt is in transmission connection with the driving roller, and ventilation holes and storage grooves are formed in the conveying belt.
The mount is conveyor's support piece, fixes conveyor in the frame, and driving motor is conveyor's main power supply, and driving motor starts to drive the driving roller and rotates, and then drives the conveyer belt and rotate, carries fruit piece, is equipped with the bleeder vent on the conveyer belt for guaranteeing drying efficiency, improves air flow efficiency, and put the size in thing groove and the size of fruit piece and cooperate, just so can place fruit piece in proper order on the conveyer belt, prevent that fruit piece from piling up together.
Further, the thermal cycle device comprises a circulating fan, a heat conducting pipeline, a dehumidifier and a heat exhausting pipeline, the circulating fan is fixedly connected with the frame, an air inlet of the heat conducting pipeline is communicated with the drying device, an air outlet of the heat conducting pipeline is communicated with the air inlet of the circulating fan, the dehumidifier is communicated with the heat conducting pipeline, the air inlet of the heat exhausting pipeline is communicated with the air outlet end of the circulating fan, and the air outlet of the heat exhausting pipeline faces the storage groove.
The heat circulation device is used for recycling heat generated during drying, hot air containing water vapor can be generated during drying, the water vapor needs to be removed for recycling, the circulation fan is a main power source of the heat circulation device, the circulation fan is started, redundant heat generated during the working of the drying device is sucked out through the heat conducting pipeline, the water vapor is removed through the dehumidifier arranged on the heat conducting pipeline, the hot air which is dehumidified is guided to the lower part of the conveying belt through the heat exhausting pipeline, hot air is blown to the fruit slices in the storage groove through the air holes, the fruit slices can be pre-dried, and the fruit slices can be blown to prevent adhesion on the conveying belt.
Further, the drying device comprises a microwave generator, a waveguide tube, a drying bin and a fan, the drying bin is fixedly connected with the frame, the conveying belt penetrates through the drying bin, the waveguide tube is connected with the output end of the microwave generator, the waveguide tube is communicated with the drying bin, and the fan is arranged at the output end of the waveguide tube.
The drying device converts electric energy into microwave energy through the microwave generator, generated microwaves can be transmitted into the drying bin through the waveguide tube, and the drying bin and the fan are made of stainless steel materials because the microwaves cannot penetrate through the metal materials, so that the microwaves guided by the waveguide tube can be uniformly reflected into the drying bin after touching the rotating fan, and the fan forms air flow in the drying bin, so that the drying efficiency is improved.
Further, detection device includes moisture detection subassembly, weight detection subassembly, moisture detection subassembly and weight detection subassembly are arranged in proper order in the working chamber, moisture detection subassembly includes the infrared light source, brushless motor, the optical filtering runner, the focusing mirror, the detector, the reflector, the support frame, support frame and frame fastening connection, infrared light source and support frame fastening connection, infrared light source goes out light towards the reflector, brushless motor and support frame fastening connection, the optical filtering runner is connected with brushless motor's output transmission, focusing mirror and support frame fastening connection, detector and support frame fastening connection, the detection end of detector is arranged in to the light focus of focusing mirror, the detector is connected with the drying device electricity.
The detection device is used for detecting the moisture content and the weight of the fruit piece, and then the power of the drying device is controlled in real time to ensure the drying effect, the support frame is fixed on the frame to provide a stable working environment for the moisture detection component, the moisture detection component utilizes water to show strong absorption characteristics to infrared light of certain specific wavelength, the infrared light source emits infrared light, after the infrared light is filtered by the filtering rotating wheel, the infrared light of the specific wavelength is emitted to the reflective mirror and is reflected to the fruit piece, a certain amount of light is reflected after the fruit piece is absorbed, the infrared light reflected by the fruit piece is gathered to the detection end of the detector through the focusing mirror, the detector detects the intensity of the infrared light, and if the intensity of the infrared light is lower, the moisture content of the fruit piece is higher, the power of the drying device is required to be improved to ensure the drying effect.
Furthermore, three optical filters are arranged on the optical filtering rotating wheel, and the infrared wavelength transmitted by the three optical filters is inconsistent.
Because the reflectivity of the fruit piece to the infrared ray is different because of its different absorption characteristic and stray characteristic, if only detect with the absorption wavelength of water, factors such as the surface condition of fruit piece, colour, structure can influence moisture measurement's accuracy, through setting up three kinds of light filters on the filter runner, the infrared light of a certain wavelength is only allowed to pass through to different light filters, the filter runner is rotated at a high speed under brushless motor's drive, make the infrared light of measuring wavelength and reference wavelength alternate to the fruit piece, these infrared light are partly absorbed by the material, partly reflect to the focusing mirror, be received and convert into the electrical signal by the detector, the moisture of fruit piece is calculated by subsequent circuit processing, reduce detection error.
Further, the weight detection component comprises a protective shell, a slide rod, a conductive sliding block, a resistance sliding rail and a spring, wherein the protective shell is fixedly connected with the frame, the slide rod is fixedly connected with the protective shell in a sliding manner, the conductive sliding block is positioned at the top end of the slide rod and is fixedly connected with the protective shell, the conductive sliding block is fixedly connected with the resistance sliding rail in a sliding manner, the spring is sleeved on the slide rod, and the conductive sliding block and the resistance sliding rail are communicated with the control system through a wire.
The fruit piece is in the in-process of cutting, the thickness can be different, thereby result in the weight difference, if adopt the same power to remove the stoving, stoving effect can be inconsistent, weight detection subassembly is used for detecting the weight of fruit piece, heat extraction pipeline exhaust hot gas flow can be with the fruit piece that is located the thing inslot of putting, and rise a take the altitude, and under the influence of gravity, the ascending altitude of the fruit piece that weight is big is less than the fruit piece that weight is light, through setting up weight detection subassembly to the conveyer belt top, and press close to the conveyer belt, the slide bar just can be touched to the short distance that rises of fruit piece like this, the slide bar atress upwards moves, thereby drive electrically conductive slider and upwards slide along the resistance slide rail, the spring is used for resetting the slide bar, and control system lets on the detection current for electrically conductive slider and resistance slide rail, like this at electrically conductive slider in-process that upwards moves, the electric current flow resistance slide rail's distance can shorten, the electric current can increase gradually, and the ascending distance of the fruit piece that weight is big is shorter, electrically conductive slider ascending distance is less than the fruit piece that weight is light, the resistance slide rail distance that the electric current flows just is longer, the detection current is just weak current is according to the electric current, the control system is strong and the power that can be judged in real-time to the stoving effect is passed to the control.
The bottom end of the sliding rod is provided with a contact block, and the cross section area of the contact block is one fourth of the cross section area of the storage groove.
Further, in order to avoid deflection of the fruit piece in the ascending process under the action of wind force, the detection precision is affected, the contact block at the bottom end of the sliding rod is set to be one fourth of the cross section area of the storage groove, the fruit piece is matched with the storage groove, the center of the storage groove is aligned with the center of the contact block in the conveying process by the conveying belt, and therefore the contact block can naturally abut against the center of gravity of the fruit piece when the fruit piece touches the contact block under the action of wind force, and deflection of the fruit piece is prevented.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the redundant heat generated during the operation of the drying device is sucked out through the heat conducting pipeline by the circulating fan, the water vapor is removed by the dehumidifier arranged on the heat conducting pipeline, the dehumidified hot air is guided to the lower part of the conveying belt by the heat exhausting pipeline, and the hot air flow is blown to the fruit slices in the storage groove by the air holes, so that the fruit slices can be pre-dried, the fruit slices can be blown to prevent adhesion on the conveying belt, and the waste of energy sources is reduced.
2. The infrared light with specific wavelength is reflected to the reflective mirror after being filtered by the filtering rotating wheel, the moisture content of the fruit slices can be judged according to the intensity of the reflected infrared light, and the power of the drying device is further adjusted in real time to ensure the drying effect; and three filters are arranged on the filtering rotating wheel, so that infrared light with measuring wavelength and reference wavelength alternately irradiates the fruit slices, and the energy ratio of the reflected light with the three wavelengths is detected and calculated, so that the interference of other factors on water measurement can be eliminated, and the detection error is reduced.
3. The hot air flow of the thermal circulation device is utilized to blow the fruit slices, the rising distance of the fruit slices with larger weight is shorter, the rising distance of the conductive sliding blocks is shorter, the distance of the resistance sliding rail through which current flows is longer, the detection current is smaller, and the control system can judge the weight of the fruit slices according to the intensity of the current, so that the power of the drying device is controlled in real time to ensure the drying effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic view of the transport apparatus and thermal cycling apparatus of the present invention;
FIG. 3 is a schematic view of the heat cycle apparatus and the drying apparatus of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 2;
FIG. 5 is a schematic view of the conveyor of the present invention;
FIG. 6 is a schematic view of the weight sensing assembly of the present invention;
FIG. 7 is an enlarged schematic view of portion B of FIG. 6;
FIG. 8 is a C-C cross-sectional view of FIG. 7;
in the figure: 1-rack, 11-studio, 2-conveyor, 21-driving motor, 22-conveyor belt, 221-vent, 222-storage tank, 23-driving roller, 24-fixing frame, 3-heat circulation device, 31-circulation fan, 32-heat conduction pipeline, 33-dehumidifier, 34-heat extraction pipeline, 4-drying device, 41-microwave generator, 42-waveguide, 43-drying bin, 44-fan, 5-detection device, 51-moisture detection component, 511-infrared light source, 512-brushless motor, 513-filter runner, 514-focusing mirror, 515-detector, 516-reflector, 517-support frame, 52-weight detection component, 521-protective shell, 522-slide bar, 523-conductive slide block, 524-resistance slide rail, 525-spring, 5221-contact block, 6-control system.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides the technical scheme that:
as shown in fig. 1 and 2, the drying equipment comprises a frame 1, a conveying device 2, a heat circulation device 3, a drying device 4, a detection device 5 and a control system 6, wherein the conveying device 2 is in fastening connection with the frame 1, the heat circulation device 3 is in fastening connection with the frame 1, the drying device 4 is in fastening connection with the frame 1, a working chamber 11 is arranged in the frame 1, the heat circulation device 3 is communicated with the drying device 4, the conveying device 2 is positioned in the working chamber 11, the drying device 4 is positioned in the working chamber 11, the detection device 5 is in fastening connection with the frame 1, the detection device 5 is electrically connected with the drying device 4, the detection device 5 is positioned in the working chamber 11, and the detection device 5 is electrically connected with the control system 6.
The invention mainly aims at drying sliced fruits, the rack 1 provides stable support for other devices on the basis of the installation of each device, the rack 1 is made of stainless steel, the service life of equipment is ensured, the working chamber 11 provides a relatively airtight space for drying, the dissipation of hot air is prevented, the energy consumption is reduced, the conveying device 2 is used for conveying the fruit slices to be dried to the drying device 4 for drying, the thermal circulation device 3 is used for recycling hot air generated during drying, the hot air is used for assisting the detection device 5 in detecting the fruit slices, the detection device 5 is mainly used for detecting the moisture and the weight of the fruit slices and transmitting the moisture and the weight to the control system 6, so that the power of the drying device 4 is regulated in real time, and the uniformity of drying is ensured.
As shown in fig. 2, 5 and 6, the conveying device 2 comprises a driving motor 21, a conveying belt 22, a driving roller 23 and a fixing frame 24, the fixing frame 24 is fixedly connected with the frame 1, the driving motor 21 is fixedly connected with the fixing frame 24, the driving roller 23 is in transmission connection with the output end of the driving motor 21, the driving roller 23 is in rotation connection with the fixing frame 24, the conveying belt 22 is in transmission connection with the driving roller 23, and the conveying belt 22 is provided with an air hole 221 and a storage groove 222.
The mount 24 is the support piece of conveyor 2, fixes conveyor 2 on frame 1, and driving motor 21 is the main power supply of conveyor 2, and driving motor 21 starts to drive driving roller 23 and rotates, and then drives conveyer belt 22 and rotate, carries fruit piece, is equipped with bleeder vent 221 on conveyer belt 22 for guaranteeing drying efficiency, improves air flow efficiency, and puts the size of thing groove 222 and the size of fruit piece and cooperate, just so can place fruit piece on conveyer belt 22 in proper order, prevents that fruit piece from piling up together.
As shown in fig. 2 and 3, the thermal circulation device 3 includes a circulation fan 31, a heat conducting pipe 32, a dehumidifier 33, and a heat exhausting pipe 34, the circulation fan 31 is fixedly connected with the frame 1, an air inlet of the heat conducting pipe 32 is communicated with the drying device 4, an air outlet of the heat conducting pipe 32 is communicated with an air inlet of the circulation fan 31, the dehumidifier 33 is communicated with the heat conducting pipe 32, an air inlet of the heat exhausting pipe 34 is communicated with an air outlet end of the circulation fan 31, and an air outlet of the heat exhausting pipe 34 faces the storage groove 222.
The heat circulation device 3 is used for recycling heat generated during drying, hot air containing water vapor can be generated during drying, the water vapor needs to be removed for recycling, the circulation fan 31 is a main power source of the heat circulation device 3, the circulation fan 31 is started, redundant heat generated during operation of the drying device 4 is sucked out through the heat conducting pipeline 32, the water vapor is removed through the dehumidifier 33 arranged on the heat conducting pipeline 32, the dehumidified hot air is guided to the lower side of the conveying belt 22 through the heat exhausting pipeline 34, hot air is blown to fruit slices in the storage groove 222 through the air holes 221, the fruit slices can be pre-dried, and the fruit slices can be blown to prevent adhesion on the conveying belt 22.
As shown in fig. 2 and 3, the drying device 4 comprises a microwave generator 41, a waveguide 42, a drying bin 43 and a fan 44, the drying bin 43 is fixedly connected with the frame 1, the conveyor belt 22 passes through the drying bin 43, the waveguide 42 is connected with the output end of the microwave generator 41, the waveguide 42 is communicated with the drying bin 43, and the fan 44 is arranged at the output end of the waveguide 42.
The drying device 4 converts electric energy into microwave energy through the microwave generator 41, the generated microwaves are transmitted into the drying bin 43 through the waveguide tube 42, and the drying bin 43 and the fan 44 are made of stainless steel materials because the microwaves cannot penetrate through the metal materials, so that the microwaves guided by the waveguide tube 42 are uniformly reflected into the drying bin 43 after touching the rotating fan 44, and the fan 44 forms air flow in the drying bin 43, thereby improving the drying efficiency.
As shown in fig. 2 and 4, the detection device 5 includes a moisture detection component 51 and a weight detection component 52, where the moisture detection component 51 and the weight detection component 52 are sequentially disposed in the working chamber 11, the moisture detection component 51 includes an infrared light source 511, a brushless motor 512, a filtering rotating wheel 513, a focusing mirror 514, a detector 515, a reflective mirror 516, and a supporting frame 517, the supporting frame 517 is fastened to the frame 1, the infrared light source 511 is fastened to the supporting frame 517, the infrared light source 511 emits light toward the reflective mirror 516, the brushless motor 512 is fastened to the supporting frame 517, the filtering rotating wheel 513 is fastened to an output end of the brushless motor 512, the focusing mirror 514 is fastened to the supporting frame 517, the detector 515 is fastened to the supporting frame 517, a light focus of the focusing mirror 514 is disposed at a detection end of the detector 515, and the detector 515 is electrically connected to the drying device 4.
The detection device 5 is used for detecting the moisture content and weight of the fruit slices, and further controlling the power of the drying device 4 in real time to ensure the drying effect, the support frame 517 is fixed on the frame 1 to provide a stable working environment for the moisture detection component 51, the moisture detection component 51 shows strong absorption characteristics to infrared light with specific wavelengths by using water, the infrared light is emitted by the infrared light source 511, after being filtered by the filtering rotating wheel 513, the infrared light with specific wavelengths is emitted to the reflective mirror 516 and reflected to the fruit slices, a certain amount of light is reflected after being absorbed by the fruit slices, the infrared light reflected by the fruit slices is collected to the detection end of the detector 515 by the focusing mirror 514, the intensity of the infrared light is detected by the detector 515, and if the intensity of the infrared light is lower, the higher the moisture content of the fruit slices is indicated, the power of the drying device 4 needs to be improved to ensure the drying effect.
As shown in fig. 4, the filter wheel 513 is provided with three filters, and the infrared wavelengths transmitted by the three filters are not uniform.
Because the reflectivity of the fruit piece to the infrared ray is different due to the different absorption characteristics and the stray characteristics, if the fruit piece is detected by only using the absorption wavelength of water, factors such as the surface state, color, structure and the like of the fruit piece can influence the accuracy of water measurement, by arranging three optical filters on the optical filter rotating wheel 513, the optical filter rotating wheel 513 only allows infrared light with a certain wavelength to pass through, the optical filter rotating wheel 513 rotates at a high speed under the driving of the brushless motor 512, so that the infrared light with the measurement wavelength and the reference wavelength alternately irradiates the fruit piece, part of the infrared light is absorbed by materials, part of the infrared light is reflected to the focusing mirror 514, is received by the detector 515 and converted into an electric signal, and is processed by a subsequent circuit to calculate the water content of the fruit piece, thereby reducing the detection error.
As shown in fig. 3, 6, 7 and 8, the weight detecting assembly 52 includes a protective housing 521, a slide bar 522, a conductive slider 523, a resistance slide rail 524, and a spring 525, the protective housing 521 is fixedly connected with the frame 1, the slide bar 522 is slidably connected with the protective housing 521, the conductive slider 523 is fixedly connected with the slide bar 522, the conductive slider 523 is located at the top end of the slide bar 522, the resistance slide rail 524 is fixedly connected with the protective housing 521, the conductive slider 523 is slidably connected with the resistance slide rail 524, the spring 525 is sleeved on the slide bar 522, and the conductive slider 523 is communicated with the resistance slide rail 524 through a wire to control the system 6.
The fruit piece has the difference in thickness at the in-process of cutting to lead to the weight to be different, if adopt the same power to dry, the stoving effect can be inconsistent, weight detection subassembly 52 is used for detecting the weight of fruit piece, heat extraction pipeline 34 exhaust hot gas flow can blow the fruit piece that is located in putting thing groove 222, and rise a take the altitude, and under the influence of gravity, the ascending altitude of fruit piece that weight is big is less than the fruit piece that weight is light, through setting up weight detection subassembly 52 above conveyer belt 22, and press close to conveyer belt 22, so fruit piece rise shorter distance just can touch slide bar 522, slide bar 522 atress upwards moves, thereby drive conductive slider 523 upwards slides along resistance slide 524, spring 525 is used for resetting slide bar 522, and control system 6 leads to the detection current for conductive slider 523 and resistance slide 524, in the in-process that conductive slider upwards moves, the distance that the electric current flows through resistance slide 524 can be shortened, the electric current can progressively increase, and the ascending distance of fruit piece that weight is big is less than the ascending distance of weight is short, the electric current is more short for the conductive slider 523, the electric current is more current is passed through the resistance slide rail 524 is more than 6, the power is controlled, the real-time is more than the power is controlled, the real-time is guaranteed to be just the drying device is just to the time is controlled, the power is just about the weak, according to the power is controlled, the drying device is just is 4.
As shown in fig. 6 and 7, the bottom end of the sliding rod 522 is provided with a contact block 5221, and the cross-sectional area of the contact block 5221 is one-fourth of the cross-sectional area of the storage groove 222.
In order to avoid deflection of the fruit piece in the ascending process under the action of wind force and influence the detection precision, the contact block 5221 at the bottom end of the sliding rod 522 is set to be one fourth of the cross section area of the storage groove 222, the fruit piece is matched with the storage groove 222, the center of the storage groove 222 is aligned with the center of the contact block 5221 in the conveying process by the conveying belt 22, and therefore when the fruit piece touches the contact block 5221 under the action of wind force, the contact block 5221 naturally abuts against the center of gravity of the fruit piece, and deflection of the fruit piece is prevented.
The working principle of the invention is as follows: fruit pieces are placed on the conveyor belt 22 to be conveyed, the air flow channel efficiency is improved through the air holes 221 and the object placing grooves 222, the fruit pieces are prevented from being stacked together, the fruit pieces sequentially pass through the moisture detection assembly 51 and the weight detection assembly 52 under the conveying of the conveyor belt 22, the moisture detection assembly 51 shows strong absorption characteristics of water to infrared light with specific wavelengths, the infrared light is emitted by the infrared light source 511, after being filtered by the filtering rotating wheel 513, the infrared light with specific wavelengths is emitted to the reflective mirror 516 and reflected to the fruit pieces, a certain amount of light is reflected after being absorbed, the infrared light reflected by the fruit pieces is collected to the detection end of the detector 515 through the focusing mirror 514, the intensity of the infrared light is detected by the detector 515, so that the water content is judged according to the intensity of the infrared light, the weight detecting component 52 detects the height of the fruit slices under the blowing of the air flow, and the heavier fruit slices are smaller in rising height, the detection current is smaller, so that the control system 6 can judge the weight of the fruit slices according to the intensity of the current, the power of the drying device 4 is controlled in real time, the circulating fan 31 sucks out the surplus heat generated during the operation of the drying device 4 through the heat conducting pipeline 32, removes the water vapor through the dehumidifier 33 arranged on the heat conducting pipeline 32, guides the dehumidified hot air to the lower part of the conveying belt 22 through the heat exhausting pipeline 34, blows the hot air to the fruit slices in the object placing groove 222 through the air holes 221, pre-dries the fruit slices, the drying device 4 converts the electric energy into the microwave energy through the microwave generator 41 to dry the fruit slices in the drying bin 43, and the conveying belt 22 conveys the fruit slices out of the equipment after the drying is finished.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Food processing drying equipment with heat recycling function, its characterized in that: the drying equipment comprises a frame (1), a conveying device (2), a thermal circulation device (3), a drying device (4), a detection device (5) and a control system (6), wherein the conveying device (2) is in fastening connection with the frame (1), the thermal circulation device (3) is in fastening connection with the frame (1), the drying device (4) is in fastening connection with the frame (1), a working chamber (11) is arranged in the frame (1), the thermal circulation device (3) is communicated with the drying device (4), the conveying device (2) is positioned in the working chamber (11), the drying device (4) is positioned in the working chamber (11), the detection device (5) is in fastening connection with the frame (1), the detection device (5) is electrically connected with the drying device (4), the detection device (5) is positioned in the working chamber (11), and the detection device (5) is electrically connected with the control system (6), and the detection device (5) is arranged above a conveying belt (22).
The detection device (5) comprises a moisture detection component (51) and a weight detection component (52), wherein the moisture detection component (51) and the weight detection component (52) are sequentially arranged in the working chamber (11);
the weight detection assembly (52) comprises a protection shell (521), a slide bar (522), a conductive slide block (523), a resistance slide rail (524) and a spring (525), wherein the protection shell (521) is fixedly connected with the frame (1), the slide bar (522) is in sliding connection with the protection shell (521), the conductive slide block (523) is fixedly connected with the slide bar (522), the conductive slide block (523) is positioned at the top end of the slide bar (522), the resistance slide rail (524) is fixedly connected with the protection shell (521), the conductive slide block (523) is in sliding connection with the resistance slide rail (524), the spring (525) is sleeved on the slide bar (522), and the conductive slide block (523) is communicated with the resistance slide rail (524) through a wire to control a system (6);
the conveying device (2) comprises a driving motor (21), a conveying belt (22), a driving roller (23) and a fixing frame (24), wherein the fixing frame (24) is fixedly connected with the frame (1), the driving motor (21) is fixedly connected with the fixing frame (24), the driving roller (23) is in transmission connection with the output end of the driving motor (21), the driving roller (23) is in rotary connection with the fixing frame (24), the conveying belt (22) is in transmission connection with the driving roller (23), an air hole (221) and a storage groove (222) are formed in the conveying belt (22), and the air hole (221) is formed in the storage groove (222);
the heat circulation device (3) comprises a circulation fan (31), a heat conduction pipeline (32), a dehumidifier (33) and a heat extraction pipeline (34), wherein the circulation fan (31) is fixedly connected with the frame (1), an air inlet of the heat conduction pipeline (32) is communicated with the drying device (4), an air outlet of the heat conduction pipeline (32) is communicated with an air inlet of the circulation fan (31), the dehumidifier (33) is communicated with the heat conduction pipeline (32), an air inlet of the heat extraction pipeline (34) is communicated with an air outlet end of the circulation fan (31), and an air outlet of the heat extraction pipeline (34) faces to the storage groove (222).
2. A food processing drying apparatus with heat recycling function as set forth in claim 1, wherein: drying device (4) include microwave generator (41), wave guide (42), stoving storehouse (43), fan (44), stoving storehouse (43) and frame (1) fastening connection, conveyer belt (22) pass stoving storehouse (43), wave guide (42) are connected with the output of microwave generator (41), wave guide (42) and stoving storehouse (43) intercommunication, fan (44) set up the output at wave guide (42).
3. A food processing drying apparatus with heat recycling function as set forth in claim 1, wherein: the utility model provides a moisture detection subassembly (51) includes infrared light source (511), brushless motor (512), optical filtering runner (513), focusing mirror (514), detector (515), reflector (516), support frame (517) and frame (1) fastening connection, infrared light source (511) and support frame (517) fastening connection, infrared light source (511) light-emitting orientation reflector (516), brushless motor (512) and support frame (517) fastening connection, optical filtering runner (513) are connected with the output transmission of brushless motor (512), focusing mirror (514) and support frame (517) fastening connection, detector (515) and support frame (517) fastening connection, the light focus of focusing mirror (514) is arranged in the detection end of detector (515), detector (515) are connected with drying device (4) electricity.
4. A food processing drying apparatus with heat recycling function according to claim 3, wherein: three optical filters are arranged on the optical filtering rotating wheel (513), and the infrared wavelengths transmitted by the three optical filters are inconsistent.
5. A food processing drying apparatus with heat recycling function as set forth in claim 1, wherein: the bottom end of the sliding rod (522) is provided with a contact block (5221), and the cross section area of the contact block (5221) is one quarter of the cross section area of the storage groove (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311114172.7A CN116817572B (en) | 2023-08-31 | 2023-08-31 | Drying equipment for food processing with heat recycling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311114172.7A CN116817572B (en) | 2023-08-31 | 2023-08-31 | Drying equipment for food processing with heat recycling function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116817572A CN116817572A (en) | 2023-09-29 |
| CN116817572B true CN116817572B (en) | 2023-12-15 |
Family
ID=88139632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311114172.7A Active CN116817572B (en) | 2023-08-31 | 2023-08-31 | Drying equipment for food processing with heat recycling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116817572B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT160408B (en) * | 1941-05-26 | Albert Patin | Ring-like resistor, especially for potentiometers. | |
| JP2006012605A (en) * | 2004-06-25 | 2006-01-12 | Shimada Phys & Chem Ind Co Ltd | Microwave irradiation treating device |
| JP2008281434A (en) * | 2007-05-10 | 2008-11-20 | Alps Electric Co Ltd | Weight sensor |
| CN101338968A (en) * | 2007-07-07 | 2009-01-07 | 吴琦 | Intelligentized static microwave vacuum drying machine |
| CN104048738A (en) * | 2014-07-01 | 2014-09-17 | 山东理工大学 | Device for detecting ball stone weight inside oil hydraulic type ball mill and ball stone estimation method |
| CN105627716A (en) * | 2015-12-29 | 2016-06-01 | 柳州市自动化科学研究所 | Humidity-controlled microwave pupa drying method and device |
| CN105817298A (en) * | 2016-05-19 | 2016-08-03 | 王远 | Smashing machine capable of controlling weight |
| CN106403502A (en) * | 2016-09-28 | 2017-02-15 | 青岛科技大学 | Drying system for intelligently controlling rotation speed of motor through inlet temperature |
| CN207317456U (en) * | 2017-08-14 | 2018-05-04 | 潍坊润安化学科技有限公司 | A kind of microwave dryer |
| CN109007530A (en) * | 2018-06-27 | 2018-12-18 | 包旭红 | A kind of food thawing equipment |
| CN109606764A (en) * | 2019-02-19 | 2019-04-12 | 崔正义 | A kind of pharmacist of traditional Chinese medicine's Chinese medicine weighing packing apparatus |
| CN212059902U (en) * | 2020-01-14 | 2020-12-01 | 漳州佳卓自动化设备有限公司 | Online near infrared moisture measurement zero-error device |
| CN112197563A (en) * | 2020-10-14 | 2021-01-08 | 武汉美味源生物工程有限公司 | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment |
| JP6840316B1 (en) * | 2020-12-10 | 2021-03-10 | 株式会社アイエムイー | Weighing equipment and packaging production line |
| EP3798355A1 (en) * | 2019-09-27 | 2021-03-31 | Whirlpool Corporation | Laundry treating appliance having sensors |
| CN112730450A (en) * | 2020-12-20 | 2021-04-30 | 刘金发 | Ceramic crafts processing detection device of portable |
| CN213514893U (en) * | 2020-09-27 | 2021-06-22 | 永州市地天泰环保科技有限公司 | Drying equipment is used in environmental protection brick production |
| CN116045638A (en) * | 2023-03-02 | 2023-05-02 | 王彦军 | Biomass fuel processingequipment |
-
2023
- 2023-08-31 CN CN202311114172.7A patent/CN116817572B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT160408B (en) * | 1941-05-26 | Albert Patin | Ring-like resistor, especially for potentiometers. | |
| JP2006012605A (en) * | 2004-06-25 | 2006-01-12 | Shimada Phys & Chem Ind Co Ltd | Microwave irradiation treating device |
| JP2008281434A (en) * | 2007-05-10 | 2008-11-20 | Alps Electric Co Ltd | Weight sensor |
| CN101338968A (en) * | 2007-07-07 | 2009-01-07 | 吴琦 | Intelligentized static microwave vacuum drying machine |
| CN104048738A (en) * | 2014-07-01 | 2014-09-17 | 山东理工大学 | Device for detecting ball stone weight inside oil hydraulic type ball mill and ball stone estimation method |
| CN105627716A (en) * | 2015-12-29 | 2016-06-01 | 柳州市自动化科学研究所 | Humidity-controlled microwave pupa drying method and device |
| CN105817298A (en) * | 2016-05-19 | 2016-08-03 | 王远 | Smashing machine capable of controlling weight |
| CN106403502A (en) * | 2016-09-28 | 2017-02-15 | 青岛科技大学 | Drying system for intelligently controlling rotation speed of motor through inlet temperature |
| CN207317456U (en) * | 2017-08-14 | 2018-05-04 | 潍坊润安化学科技有限公司 | A kind of microwave dryer |
| CN109007530A (en) * | 2018-06-27 | 2018-12-18 | 包旭红 | A kind of food thawing equipment |
| CN109606764A (en) * | 2019-02-19 | 2019-04-12 | 崔正义 | A kind of pharmacist of traditional Chinese medicine's Chinese medicine weighing packing apparatus |
| EP3798355A1 (en) * | 2019-09-27 | 2021-03-31 | Whirlpool Corporation | Laundry treating appliance having sensors |
| CN212059902U (en) * | 2020-01-14 | 2020-12-01 | 漳州佳卓自动化设备有限公司 | Online near infrared moisture measurement zero-error device |
| CN213514893U (en) * | 2020-09-27 | 2021-06-22 | 永州市地天泰环保科技有限公司 | Drying equipment is used in environmental protection brick production |
| CN112197563A (en) * | 2020-10-14 | 2021-01-08 | 武汉美味源生物工程有限公司 | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment |
| JP6840316B1 (en) * | 2020-12-10 | 2021-03-10 | 株式会社アイエムイー | Weighing equipment and packaging production line |
| CN112730450A (en) * | 2020-12-20 | 2021-04-30 | 刘金发 | Ceramic crafts processing detection device of portable |
| CN116045638A (en) * | 2023-03-02 | 2023-05-02 | 王彦军 | Biomass fuel processingequipment |
Non-Patent Citations (2)
| Title |
|---|
| 干燥过程中树盘含水率的在线检测;付宗营;赵景尧;杨叶丽;蔡英春;;东北林业大学学报(第08期);全文 * |
| 李绪益.《电磁场与微波技术-下-第2版》.华南理工大学出版社,214-215. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116817572A (en) | 2023-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4567340A (en) | Apparatus and method for drying solid materials | |
| KR100454328B1 (en) | Device for heat-treating bulk materials in feed screws | |
| CN111203394B (en) | Food quality rapid detection device | |
| JP2018141768A (en) | Moisture amount sensor and clothing dryer | |
| CN105135851A (en) | Belt-type infrared radiation drying system as well as mounting method and drying method thereof | |
| CN116817572B (en) | Drying equipment for food processing with heat recycling function | |
| CN209600955U (en) | A kind of dust-proof used in glass products film sticking equipment | |
| WO2011090448A1 (en) | Improvement made in the vacumm wood drying kiln that dries the wood by means of the electromagnetic wave energy | |
| CN208963891U (en) | Fiber cement board flat-sheet material automatic sorting system | |
| CN211041706U (en) | Wood working drying device | |
| CN206576217U (en) | Novel foodstuff dehydration dryer | |
| CN116481263A (en) | Cereal microwave drying method and device | |
| CN212390780U (en) | A drying equipment for rice flour processing | |
| CN209371539U (en) | A kind of heat collection type solar drying mechanism | |
| CN210262492U (en) | Drying and pressing equipment in paper processing process | |
| CN218999476U (en) | Efficient dewatering equipment for fruit and vegetable production | |
| CN212778485U (en) | Microwave drying device | |
| CN207096027U (en) | A kind of cereal moisture percentage detection means | |
| CN117006821B (en) | Food additive production desiccator | |
| CN220251689U (en) | Hot air aging box convenient to take a breath | |
| CN107397302B (en) | Intelligence shoes material oven | |
| CN219065282U (en) | Portable lossless shaddock sugar degree detection device | |
| CN214111054U (en) | Device capable of adjusting material level of dryer according to usage amount | |
| CN220750698U (en) | Microwave infrared drying equipment for plate production | |
| KR0119307Y1 (en) | Sefety device of microwave oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |