CN209995318U - kinds of fruit and vegetable drying machine - Google Patents
kinds of fruit and vegetable drying machine Download PDFInfo
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- CN209995318U CN209995318U CN201920544633.7U CN201920544633U CN209995318U CN 209995318 U CN209995318 U CN 209995318U CN 201920544633 U CN201920544633 U CN 201920544633U CN 209995318 U CN209995318 U CN 209995318U
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Abstract
The utility model relates to the technical field of agricultural product processing machinery, in particular to fruit and vegetable dryers, which comprise a frame, a conveying device, a heating device, an airflow circulating device and a measurement and control system, wherein the conveying device is used for conveying materials to be dried, a drying chamber is fixedly arranged on the frame, a conveying belt of the conveying device penetrates through the drying chamber, at least three partition plates are arranged in the drying chamber and divides the drying chamber into at least four drying chambers, the heating device is used for heating the materials on the conveying belt, the airflow circulating device is used for selectively providing dry air or humidifying air for the drying chambers, a dehumidifying fan is arranged in the drying chamber and used for outwards discharging the air in the drying chamber, the measurement and control system is used for collecting temperature and humidity information in the drying chambers, and the control device is respectively connected with a control valve, a stepping motor , a stepping motor II and the dehumidifying fan so as to control the.
Description
Technical Field
The utility model relates to an agricultural product processing machinery technical field especially relates to kinds of fruit vegetables drying-machine.
Background
The fruits and vegetables are not only beneficial to the health of human bodies, but also have important significance for regulating the tastes of people because the fruits and vegetables contain various organic acids, aromatic substances and various pigment components. Although fresh fruits and vegetables have relatively great benefits for human bodies, the defects of short preservation time and easy damage exist, and dried fruit and vegetable foods such as shiitake crisps, banana chips, hawthorn chips and the like are generated, wherein in the processing process of the foods, a dryer is adopted to dry the foods.
However, the current dryer mainly dries through control temperature, and easy material surface drying takes place the crust too fast, leads to the stoving effect unsatisfactory, and the temperature of drying chamber is for unifying temperature moreover, is unfavorable for controlling the drying process of fruit vegetables to influence the stoving effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an kind fruit vegetables drying-machine, main aim at carries out the subregion control to the temperature and the humidity of drying chamber, carries out the segmentation drying to the fruit vegetables, realizes the continuous drying to the fruit vegetables.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides an kinds of fruit and vegetable drying machines, which comprises a frame, a conveying device, a heating device, an airflow circulating device and a measurement and control system;
the conveying device comprises a driving shaft, a driven shaft, a conveying belt and a stepping motor ;
the driving shaft is rotatably arranged on the rack;
the driven shaft is rotatably arranged on the rack;
the conveyer belt is arranged on the driving shaft and the driven shaft and is driven by the driving shaft to rotate so as to convey materials to be dried; the conveying belt is of a net structure;
the stepping motor is arranged on the frame and used for driving the driving shaft to rotate;
a drying chamber is fixedly arranged on the rack; the drying chamber is a closed chamber; openings are respectively arranged at the two ends of the drying chamber, so that the conveying belt can pass through the openings; a partition plate is arranged in the drying chamber; the partition plates are arranged at intervals along the conveying direction of the conveying belt; the number of the partition plates is at least three, and the drying chamber is divided into at least four drying chambers;
the heating device includes: the infrared radiation heater, the stepping motor II and the steel wire;
the infrared radiation heater is positioned in the drying chamber and used for heating the materials on the conveying belt;
the infrared radiation heaters are multiple; the infrared radiation heaters are respectively arranged in the drying chambers;
the second stepping motor is arranged on the rack; a winding roller is arranged on the stepping motor II; the hoisting roller is driven to rotate by the second stepping motor;
the end of the steel wire is connected with the infrared radiation heater, and the end of the steel wire is connected with the winding roller;
the winding roller rotates to contract or release the steel wire, so that the infrared radiation heater is lifted or lowered, and the distance between the infrared radiation heater and the conveying belt is adjusted;
the air circulation device comprises: the device comprises an axial flow fan, an air inlet pipe, a heating mechanism, a humidifying mechanism and a return air pipe;
the air outlet of the axial flow fan is communicated with the air inlet pipe, the air inlet pipe is communicated with the drying chamber through the heating mechanism and the humidifying mechanism in sequence, the end of the air return pipe is communicated with the drying chamber, and the other end of the air return pipe is communicated with the air inlet of the axial flow fan;
the heating mechanism is used for heating to heat and dry the airflow;
the humidification mechanism includes: a wet curtain and a water supply mechanism;
the wet curtain is arranged on the air inlet pipe and is positioned between the heating mechanism and the drying chamber; the airflow output by the axial flow fan flows to the drying chamber after being heated and dried by the heating mechanism and/or humidified by the wet curtain;
the water supply mechanism is used for supplying water to the wet curtain so as to keep the wet curtain wet; a control valve is arranged between the water supply mechanism and the wet curtain to control the water supply to the wet curtain;
the axial flow fan is respectively communicated with the drying chambers through the air inlet pipe and is used for selectively providing hot dry air or humidifying air to the drying chambers;
a moisture exhausting fan is arranged in the drying chamber, is communicated with the outside of the drying chamber and is used for exhausting air in the drying chamber outwards;
the measurement and control system comprises: a temperature sensor, a humidity sensor and a control device;
the temperature sensor is arranged in the drying chamber and used for detecting the temperature in the drying chamber;
the humidity sensor is arranged in the drying chamber and used for detecting the humidity in the drying chamber;
the control device is respectively connected with the temperature sensor and the humidity sensor to acquire temperature and humidity information in the drying chamber, and the control device is respectively connected with the control valve, the stepping motor , the stepping motor II and the dehumidifying fan to control the action of the dehumidifying fan.
, the wet curtain comprises a bracket and a sterile cotton thread;
the bracket is arranged on the frame;
the aseptic cotton thread winding form the filter screen structure on the support to when the air current of air-supply line passes through, carry out the humidification to the air current.
, the water supply mechanism comprises a water tank, a water pump, a water inlet pipe and a water return pipe;
the water tank is used for containing water;
the end of the water inlet pipe is communicated with the water pump, and the end of the water inlet pipe is communicated with the wet curtain;
the water pump is arranged in the water tank and used for pumping water in the water tank to the wet curtain;
an end of the water return pipe is communicated with the wet curtain, and another end of the water return pipe is communicated with the water tank and used for guiding water in the wet curtain to the water tank.
, the number of the drying chambers is four, and the length ratio of the four drying chambers along the conveying direction of the conveying belt is 3: 3: 2: 4.
, the infrared radiation heater is a direct-heating carbon fiber infrared radiation plate, the upper layer of the radiation plate is polyethylene terephthalate resin, the lower layer of the radiation plate is epoxy resin glass fiber cloth, and the middle layer of the radiation plate is carbon fiber conductive paper.
, the wall of the drying chamber is a plate structure, the plate structure comprises a stainless steel layer, a heat insulation layer and a second stainless steel layer, and the heat insulation layer is arranged between the stainless steel layer and the second stainless steel layer.
Borrow by above-mentioned technical scheme, the utility model discloses fruit vegetables drying-machine has following advantage at least:
the temperature and the humidity of the drying chamber can be controlled in a partitioned mode, segmented drying is conducted on the fruits and vegetables, and continuous drying of the fruits and vegetables is achieved.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of kinds of fruit and vegetable dryers provided by the embodiment of the present invention;
fig. 2 is a schematic top view of kinds of fruit and vegetable dryers provided by the embodiment of the present invention;
FIG. 3 is a schematic view in full section taken along line A-A of FIG. 2;
fig. 4 is a left side view schematically illustrating an kinds of fruit and vegetable drying machines provided by an embodiment of the present invention.
Shown in the figure:
1 is a rack, 2 is a conveying device, 2-1 is a conveying belt, 2-2 is a driving shaft, 2-3 is a driven shaft, 2-4 is a stepping motor , 3 is an airflow circulating device, 3-1 is an axial flow fan, 3-2 is an air inlet pipe, 3-3 is an air return pipe, 3-4 is a heating mechanism, 3-5 is a humidifying mechanism, 3-51 is a wet curtain, 3-52 is a water supply mechanism, 4 is a heating device, 4-1 is an infrared radiation heater, 4-2 is a steel wire, 4-3 is a stepping motor II, 5 is a measurement and control system, 5-1 is a temperature sensor, 5-2 is a humidity sensor, 5-3 is a control device, 6 is a drying chamber, and 7 is a humidity exhaust fan.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments, wherein different in the following description of " embodiment" or "embodiment" refers to different embodiment, and furthermore, specific features, structures or characteristics of or more embodiments can be combined in any suitable manner.
As shown in figures 1 to 4, the fruit and vegetable drying machine provided by embodiments of the invention comprises a frame 1, a conveying device 2, a heating device 4, an airflow circulating device 3 and a measurement and control system 5, wherein the frame 1 is of a frame structure, the conveying device 2 comprises a driving shaft 2-2, a driven shaft 2-3, a conveying belt 2-1 and a stepping motor 2-4, the driving shaft 2-2 is rotatably arranged on the frame 1 and is preferably connected through a bearing, the driven shaft 2-3 is rotatably arranged on the frame 1 and is preferably connected through a bearing, the conveying belt 2-1 is arranged on the driving shaft 2-2 and the driven shaft 2-3 and is driven to rotate by the driving shaft 2-2 to convey materials to be dried, the conveying belt 2-1 is of a net structure, so that airflow can flow up and down when the materials are conveyed on the conveying belt 2-1, the material drying is facilitated, and the stepping motor 2-4 is arranged on the frame 1 and is used for driving the driving shaft 2-2 to rotate so as to drive the conveying belt 2-1 to convey the.
A drying chamber 6 is fixedly arranged on the frame 1; the drying chamber 6 is a closed chamber; openings are respectively arranged at two ends of the drying chamber 6 for the conveying belt 2-1 to pass through; the conveyer belt 2-1 conveys the materials to be dried into the drying chamber 6 for drying; a clapboard is arranged in the drying chamber 6; the partition plates are arranged at intervals along the conveying direction of the conveying belt 2-1; the number of the partition plates is at least three, and the drying chamber 6 is divided into at least four drying chambers; the baffle divides drying chamber 6 into four at least drying chamber to carry out temperature and humidity control respectively, be favorable to carrying out continuous drying to the material.
The heating device 4 comprises an infrared radiation heater 4-1, a plurality of stepping motors 4-3 and a steel wire 4-2, wherein the infrared radiation heater 4-1 is positioned in the drying chamber and used for heating materials on the conveying belt 2-1, the infrared radiation heaters 4-1 are arranged in the drying chambers, the plurality of infrared radiation heaters 4-1 are respectively arranged in the drying chambers, the stepping motors 4-3 are arranged on the rack 1, the stepping motors 4-3 are provided with hoisting rollers, the hoisting rollers are driven to rotate by the stepping motors 4-3, the ends of the steel wire 4-2 are connected with the infrared radiation heater 4-1, and the other ends of the steel wire 4-2 are connected with the hoisting rollers;
the airflow circulating device 3 comprises an axial flow fan 3-1, an air inlet pipe 3-2, a heating mechanism 3-4, a humidifying mechanism 3-5 and an air return pipe 3-3, wherein an air outlet of the axial flow fan 3-1 is communicated with the air inlet pipe 3-2, the air inlet pipe 3-2 is communicated with a drying chamber sequentially through the heating mechanism 3-4 and the humidifying mechanism 3-5, an end of the air return pipe 3-3 is communicated with the drying chamber, the other end of the air return pipe is communicated with an air inlet of the axial flow fan 3-1, and the air return pipe 3-3 is communicated with a plurality of drying chambers respectively.
The heating mechanism 3-4 is used for heating to heat and dry the airflow flowing out of the axial flow fan 3-1;
the humidifying mechanism 3-5 includes: a wet curtain 3-51 and a water supply mechanism 3-52; the wet curtain 3-51 is arranged on the air inlet pipe 3-2 and is positioned between the heating mechanism 3-4 and the drying chamber and used for humidifying the drying chamber; airflow output by the axial flow fan 3-1 flows to a drying chamber after being heated and dried by the heating mechanism 3-4 and/or humidified by the wet curtain 3-51;
the water supply mechanism 3-52 is used for supplying water to the wet curtain 3-51 so as to keep the wet curtain 3-51 wet; a control valve is arranged between the water supply mechanism 3-52 and the wet curtain 3-51 to control the water supply to the wet curtain 3-51; a wet curtain 3-51 may be installed at the air intake of each drying chamber. The water inlet pipe of the wet curtain 3-51 is connected with a control valve, when humidification is needed, the humidification control valve is opened, water in the water tank flows into the sterile cotton thread through the water inlet pipe under the action of gravity or through the suction of a water pump, and enters the drying chamber along with hot air of the air inlet pipe 3-2, so that the humidification of dry air is realized. Excess water is discharged from the water outlet pipe, and the control valve is closed when humidification is stopped.
The drying temperature is increased in the drying process to rapidly heat the material, but the higher drying temperature is easy to cause the material surface to dry too fast and generate crusting, and the energy consumption is higher. Therefore, the lower drying temperature and the higher relative humidity are adopted, the enthalpy value of the drying medium is high, the temperature rise of the material is fast, and the material can be prevented from crusting.
The axial flow fan 3-1 is respectively communicated with the plurality of drying chambers through an air inlet pipe 3-2 and is used for selectively providing hot dry air or humidifying air to the drying chambers; a moisture exhausting fan 7 is arranged in the drying chamber 6, and the moisture exhausting fan 7 is communicated with the outside of the drying chamber 6 and used for exhausting air in the drying chamber 6 outwards.
The measurement and control system 5 comprises a temperature sensor 5-1, a humidity sensor 5-2 and a control device 5-3, wherein the temperature sensor 5-1 is arranged in the drying cavity and used for detecting the temperature in the drying cavity, the humidity sensor 5-2 is arranged in the drying cavity and used for detecting the humidity in the drying cavity, the control device 5-3 is respectively connected with the temperature sensor 5-1 and the humidity sensor 5-2 to acquire the temperature and humidity information in the drying cavity, and the control device 5-3 is respectively connected with a control valve, a stepping motor 2-4, a stepping motor II 4-3 and a dehumidifying fan 7 to control the action of the control device 5-3.
When drying, the axial flow fan 3-1 is started, the processed materials are conveyed to the conveying belt 2-1, the drying temperature and the relative humidity of each drying chamber, the radiation distance of the infrared radiation heater 4-1 and the conveying speed of the conveying belt 2-1 are set on the control device 5-3 of the equipment, and drying is started. When the temperature sensor 5-1 detects that the temperature of a certain drying chamber is not in the set range in the drying process, the control device 5-3 adjusts the output power of the infrared radiation heater 4-1 to make the temperature return to the set range. When the relative humidity of a certain drying chamber is higher than a set value, the control device 5-3 controls the control valve to enable the water supply mechanism 3-52 to stop supplying water to the wet curtain 3-51, and the moisture exhaust fan 7 is opened until the humidity returns to the set range. And (5) after the material passes through the four drying chambers in sequence, finishing drying.
As a preference of the above embodiment, the wet curtains 3 to 51 include: a scaffold and sterile cotton thread; the bracket is arranged on the frame 1; the aseptic cotton thread is wound on the support to form a filter screen structure, so that when the air flow of the air inlet pipe passes through, the air flow is humidified.
As a preference of the above embodiment, the water supply mechanism 3-52 comprises a water tank, a water pump, a water inlet pipe and a water return pipe, wherein the water tank is used for containing water, the end of the water inlet pipe is communicated with the water pump, the end of the water inlet pipe is communicated with the wet curtain 3-51, the water pump is arranged in the water tank and is used for pumping the water in the water tank to the wet curtain 3-51, the end of the water return pipe is communicated with the wet curtain 3-51, the end of the water return pipe is communicated with the water tank and is used for guiding the water in the wet curtain 3-51 to the water tank, and alternatively, the water tank is arranged on the frame, so that the water level in the water tank is higher than the wet curtain 3-51.
As a preference of the above embodiment, the number of the drying chambers is four; the ratio of the lengths of the four drying chambers in the conveying direction of the conveyor belt 2-1 is 3: 3: 2: 4, when the conveyer belt 2-1 moves at a constant speed, the materials in different drying states are dried for different time lengths, and the humidity and the temperature of the materials can be respectively controlled, so that the drying process of the materials can be better controlled.
As a preference of the above embodiment, the infrared radiation heater 4-1 is a direct-heating carbon fiber infrared radiation plate; the upper layer of the radiation plate is made of polyethylene glycol terephthalate resin, the lower layer of the radiation plate is made of epoxy resin glass fiber cloth, and the middle layer of the radiation plate is made of carbon fiber conductive paper.
Preferably, the wall of the drying chamber 6 is a plate structure, the plate structure comprises an th stainless steel layer, a heat insulation layer and a second stainless steel layer, and the heat insulation layer is arranged between the th stainless steel layer and the second stainless steel layer.
further illustrates that, although the terms , second, etc. may be used herein to describe various elements, these terms should not be limited to these elements.these terms are used solely to distinguish elements from another element.for example, the element may be referred to as the second element, and similarly, the second element may be referred to as the element, these terms are used solely to distinguish elements from another element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
- The fruit and vegetable drying machine of kinds is characterized in that the machine comprises a frame, a conveying device, a heating device, an airflow circulating device and a measurement and control system;the conveying device comprises a driving shaft, a driven shaft, a conveying belt and a stepping motor ;the driving shaft is rotatably arranged on the rack;the driven shaft is rotatably arranged on the rack;the conveyer belt is arranged on the driving shaft and the driven shaft and is driven by the driving shaft to rotate so as to convey materials to be dried; the conveying belt is of a net structure;the stepping motor is arranged on the frame and used for driving the driving shaft to rotate;a drying chamber is fixedly arranged on the rack; the drying chamber is a closed chamber; openings are respectively arranged at the two ends of the drying chamber, so that the conveying belt can pass through the openings; a partition plate is arranged in the drying chamber; the partition plates are arranged at intervals along the conveying direction of the conveying belt; the number of the partition plates is at least three, and the drying chamber is divided into at least four drying chambers;the heating device includes: the infrared radiation heater, the stepping motor II and the steel wire;the infrared radiation heater is positioned in the drying chamber and used for heating the materials on the conveying belt;the infrared radiation heaters are multiple; the infrared radiation heaters are respectively arranged in the drying chambers;the second stepping motor is arranged on the rack; a winding roller is arranged on the stepping motor II; the hoisting roller is driven to rotate by the second stepping motor;the end of the steel wire is connected with the infrared radiation heater, and the end of the steel wire is connected with the winding roller;the winding roller rotates to contract or release the steel wire, so that the infrared radiation heater is lifted or lowered, and the distance between the infrared radiation heater and the conveying belt is adjusted;the air circulation device comprises: the device comprises an axial flow fan, an air inlet pipe, a heating mechanism, a humidifying mechanism and a return air pipe;the air outlet of the axial flow fan is communicated with the air inlet pipe, the air inlet pipe is communicated with the drying chamber through the heating mechanism and the humidifying mechanism in sequence, the end of the air return pipe is communicated with the drying chamber, and the other end of the air return pipe is communicated with the air inlet of the axial flow fan;the heating mechanism is used for heating to heat and dry the airflow;the humidification mechanism includes: a wet curtain and a water supply mechanism;the wet curtain is arranged on the air inlet pipe and is positioned between the heating mechanism and the drying chamber; the airflow output by the axial flow fan flows to the drying chamber after being heated and dried by the heating mechanism and/or humidified by the wet curtain;the water supply mechanism is used for supplying water to the wet curtain so as to keep the wet curtain wet; a control valve is arranged between the water supply mechanism and the wet curtain to control the water supply to the wet curtain;the axial flow fan is respectively communicated with the drying chambers through the air inlet pipe and is used for selectively providing hot dry air or humidifying air to the drying chambers;a moisture exhausting fan is arranged in the drying chamber, is communicated with the outside of the drying chamber and is used for exhausting air in the drying chamber outwards;the measurement and control system comprises: a temperature sensor, a humidity sensor and a control device;the temperature sensor is arranged in the drying chamber and used for detecting the temperature in the drying chamber;the humidity sensor is arranged in the drying chamber and used for detecting the humidity in the drying chamber;the control device is respectively connected with the temperature sensor and the humidity sensor to acquire temperature and humidity information in the drying chamber, and the control device is respectively connected with the control valve, the stepping motor , the stepping motor II and the dehumidifying fan to control the action of the dehumidifying fan.
- 2. The fruit and vegetable dryer of claim 1,the wet curtain includes: a scaffold and sterile cotton thread;the bracket is arranged on the frame;the aseptic cotton thread winding form the filter screen structure on the support to when the air current of air-supply line passes through, carry out the humidification to the air current.
- 3. The fruit and vegetable dryer of claim 1,the water supply mechanism includes: the water tank, the water pump, the water inlet pipe and the water return pipe;the water tank is used for containing water;the end of the water inlet pipe is communicated with the water pump, and the end of the water inlet pipe is communicated with the wet curtain;the water pump is arranged in the water tank and used for pumping water in the water tank to the wet curtain;an end of the water return pipe is communicated with the wet curtain, and another end of the water return pipe is communicated with the water tank and used for guiding water in the wet curtain to the water tank.
- 4. The fruit and vegetable dryer of claim 1,the number of the drying chambers is four; the length ratio of the four drying chambers along the conveying direction of the conveying belt is 3: 3: 2: 4.
- 5. the fruit and vegetable dryer of claim 1,the infrared radiation heater is a direct-heating carbon fiber infrared radiation plate; the radiation plate comprises a radiation plate body and is characterized in that the upper layer of the radiation plate body is made of polyethylene glycol terephthalate resin, the lower layer of the radiation plate body is made of epoxy resin glass fiber cloth, and the middle layer of the radiation plate body is made of carbon fiber conductive paper.
- 6. The fruit and vegetable dryer of claim 1,the wall of the drying chamber is of a plate structure, the plate structure comprises an th stainless steel layer, a heat insulation layer and a second stainless steel layer, and the heat insulation layer is arranged between the th stainless steel layer and the second stainless steel layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920544633.7U CN209995318U (en) | 2019-04-19 | 2019-04-19 | kinds of fruit and vegetable drying machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920544633.7U CN209995318U (en) | 2019-04-19 | 2019-04-19 | kinds of fruit and vegetable drying machine |
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| CN209995318U true CN209995318U (en) | 2020-01-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120070A (en) * | 2020-09-25 | 2020-12-25 | 山东省农业机械科学研究院 | Material infrared enzyme deactivating-drying integrated processing equipment and method |
| CN113261588A (en) * | 2021-06-15 | 2021-08-17 | 石河子大学 | Fruit vegetables stoving storage device based on air source air heater |
-
2019
- 2019-04-19 CN CN201920544633.7U patent/CN209995318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112120070A (en) * | 2020-09-25 | 2020-12-25 | 山东省农业机械科学研究院 | Material infrared enzyme deactivating-drying integrated processing equipment and method |
| CN113261588A (en) * | 2021-06-15 | 2021-08-17 | 石河子大学 | Fruit vegetables stoving storage device based on air source air heater |
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