阅读说明：本技术 一种农产品的环保型烘干系统及其应用设备 (Environment-friendly drying system of agricultural products and application equipment thereof ) 是由 李相宏 潘清安 于 2021-07-01 设计创作，主要内容包括：本申请提供了一种农产品的环保型烘干系统及其应用设备,属于节能型农产品干燥机械,包括主控制模块,所述主控制模块上设有六个输出端以及三个输入端,所述主控制模块的一号输入端与电源电路连接,所述主控制模块的一号输出端与温度检测模块的输入端连接,所述温度检测模块的输出端与主控制模块的二号输入端连接,所述主控制模块的二号输出端与温度控制模块的输入端连接。本申请通过进风模块和冷凝模块的配合实现利用进入模块的冷风对冷凝模块降温,高温潮湿空气经过冷凝模块后,空气中的水蒸气在冷凝模块上凝结,空气再次进入风扇模块和加热模块对输送模块中农作物进行烘干,解决了现有技术中不能对热空气进行再利用的问题。(The application provides an environment-friendly drying system of agricultural product and application equipment thereof belongs to energy-saving agricultural product drying machinery, including main control module, last six outputs and the three input of being equipped with of main control module, main control module's an input and power supply circuit are connected, main control module's an output and temperature detection module's input are connected, temperature detection module's output and main control module's No. two inputs are connected, main control module's No. two outputs and temperature control module's input are connected. This application realizes utilizing the cold wind that gets into the module to cool down to the condensation module through the cooperation of air inlet module and condensation module, and high temperature humid air is behind the condensation module, and vapor in the air condenses on the condensation module, and the air gets into fan module and heats the module again and dries the crops in to carrying the module, has solved the problem that can not recycle the hot-air among the prior art.)

1. An environment-friendly drying system for agricultural products comprises a main control module and is characterized in that six output ends and three input ends are arranged on the main control module, the first input end of the main control module is connected with a power circuit, the first output end of the main control module is connected with the input end of a temperature detection module, the output end of the temperature detection module is connected with the second input end of the main control module, the second output end of the main control module is connected with the input end of the temperature control module, the output end of the temperature control module is connected with the input end of a heating module, the third output end of the main control module is connected with the input end of a fan control module, the output end of the fan control module is connected with the fan module, the fourth output end of the main control module is connected with the input end of a temperature abnormity alarm module, and the fourth output end of the main control module is connected with the input end of a humidity detection module, the output end of the humidity detection module is connected with the third input end, the sixth output end of the main control module is connected with the input end of the material conveying control module, and the output end of the material conveying control module is connected with the input end of the material conveying module.

2. The environment-friendly agricultural product drying system of claim 1, wherein the heating module is specifically an electric heating wire (72) for generating heat to heat ambient air and dry crops, the temperature control module is used for controlling the power of the electric heating wire (72) and changing the heating temperature of the electric heating wire (72), the fan module is specifically a blowing fan (73) for blowing the air heated by the heating module to the crops, the fan control module is used for controlling the rotation speed of a fan motor in the blowing fan (73) and changing the wind speed of the blowing fan (73), the material conveying module is specifically a conveying structure (3) for conveying the crops to move, the material conveying control module is used for controlling the operation speed of the conveying structure (3) and changing the material conveying speed of the conveying structure (3), and the temperature detection module is specifically a temperature sensor, the temperature detection module is specifically a humidity sensor and is used for detecting the humidity of air blowing through crops and achieving the effect of indirectly detecting the water content of the crops.

3. The environment-friendly drying system for agricultural products of claim 1, wherein the fan module is connected with the air inlet module, the fan module is connected with the heating module, the material conveying module of the heating module is connected, the material conveying module is connected with the condensing module, the condensing module is specifically a heat dissipation plate (44) for reducing moisture in high-temperature humid air, the condensing module is connected with the air inlet module, and the air inlet module comprises an air inlet box (41), an air inlet grille (42), an air inlet pipe (43) and an air delivery pipe (45).

4. The utility model provides an environment-friendly stoving application apparatus of agricultural product, includes shell body (1), its characterized in that, the inside of shell body (1) is fixed and is equipped with interior casing (2), the inside of interior casing (2) is equipped with transport structure (3), the inside of transport structure (3) is equipped with hot-blast structure (7), the top of transport structure (3) is equipped with air backflow structure (8), the top of shell body (1) is equipped with air transport structure (4), one side of shell body (1) is equipped with switch board (10), the front end and the rear end of interior casing (2) inside are fixed and are equipped with a plurality of strip (5) that keep out the wind.

5. The agricultural product environment-friendly drying application device of claim 4, wherein the conveying structure (3) comprises two side baffles (31) fixedly connected with the inner parts of the two sides of the inner shell (2), the hot air structure (7) is positioned between the two side baffles (31), the front end and the rear end of the hot air structure (7) are respectively provided with a conveyor (32), and the two conveyors (32) are sleeved with annular gauze belts (33).

6. The agricultural product environment-friendly drying application device of claim 5, wherein the hot air structure (7) comprises a hot air box (71) fixedly connected with the side baffle (31), and a plurality of heating wires (72) and a blowing fan (73) positioned at the tops of the heating wires (72) are arranged inside the hot air box (71).

7. The agricultural product environment-friendly drying application device according to claim 4, wherein the air backflow structure (8) comprises a plate body (81), arc-shaped grooves (82) fixedly connected with the outer shell (1) are fixedly arranged at both ends of the plate body (81), and a plurality of arc-shaped grooves (82) are formed in the bottom end of the plate body (81).

8. The agricultural product environment-friendly drying application device according to claim 6, wherein two ventilation openings (9) are formed in the top of the inner shell (2), the air delivery structure (4) comprises an air inlet box (41) fixedly inserted into the top of the outer shell (1), an air inlet grille (42) is installed on the top of the air inlet box (41), a plurality of air inlet pipes (43) located between the outer shell (1) and the inner shell (2) are communicated with two sides of the air inlet grille (42), a plurality of heat dissipation plates (44) are fixedly connected to the outside of the air inlet pipes (43), a plurality of ventilation holes are formed in the heat dissipation plates (44), the end portions of the air inlet pipes (43) sequentially penetrate through the inner shell (2) and the side baffle (31) to be communicated with the heating wires (72), and the end portions of the air inlet pipes (43) are located at the bottom of the heating wires (72), the air inlet box (41) is provided with a plurality of air conveying pipes (45) which are arranged outside the outer shell (1) in a communicating mode on two sides, and the end portions of the air conveying pipes (45) are fixedly inserted into the bottoms of the two sides of the outer shell (1).

9. The agricultural product environment-friendly drying application equipment as claimed in claim 8, wherein a diversion trench located on the surface of the heat dissipation plate (44) is formed between two adjacent vent holes, and heat insulation cotton is sleeved on the air conveying pipe (45).

10. The agricultural product environment-friendly drying application device of claim 4, wherein the outer shell (1) and the inner shell (2) are provided with inclined surfaces on both sides of the top, the bottom of the inner walls on both sides of the outer shell (1) is provided with a water outlet (11), the water outlet (11) is arranged in an inclined manner, and one side of the water outlet (11) away from the inner shell (2) is provided with a wind shield (6) hinged to the outside of the outer shell (1).

Technical Field

The invention relates to the field of agricultural product processing, belongs to energy-saving agricultural product drying machinery, and particularly relates to an environment-friendly drying system for agricultural products and application equipment thereof.

Background

Agricultural products are produced in agriculture, such as sorghum, rice, peanuts, corns, wheat, local special products of various regions and the like; the agricultural products contain much moisture, which causes mildew and rot during storage, so that the agricultural products need to be dried before storage to reduce the moisture contained in the agricultural products, thereby prolonging the storage time of the agricultural products.

The agricultural product drying system comprises a drying room, a heating system arranged at one end of the drying room and an air channel arranged between the heating system and the drying room, wherein the heating system is used for providing heat required by baking agricultural products, the heat is fed into the drying room through an axial flow fan set in the air channel, a charging door is arranged on one side of the agricultural product drying room, four axial flow fans are arranged in the air channel, the axial flow fans are controlled by two groups of switches, two groups of temperature and humidity sensors are arranged in the drying room, an adjustable drying frame is arranged in the drying room, three uniform air distribution plates are arranged at the top of the drying room, a waste heat recovery device is arranged at a moisture exhaust port of the drying room, and the waste heat recovery device is used for preheating fresh air. The invention solves the problems of inconsistent drying speed, uneven drying and heat waste in the drying process of the existing drying room, and improves the drying quality of agricultural products.

However, the drying system does not adjust the wind power of the fan according to the humidity, discharges the humid air as soon as possible, does not recycle the hot air, and cannot adjust the material conveying speed according to the drying degree of crops.

The energy-saving and environment-friendly agricultural product processing drying device provided by the Chinese practical patent (application number: 202022280209.1) comprises a drying box and a vertical rod, wherein a base is fixedly installed at the bottom of the drying box. This energy-concerving and environment-protective type's drying device for agricultural product processing, when accepting the stoving wall to dry after grain gets into the stoving case, stirring motor can drive the puddler rotatory, then make the returning face plate overturn at the stoving incasement, can effectually mix the upset with grain middle part and outside, make to be heated more evenly, effectively promote the speed of drying, furthermore, exhaust fan has been installed at the top of stoving case, can be timely quick with the steam discharge stoving case that grain dried and distributed out, avoid steam to gather at the stoving incasement, further promote the stoving effect, when the ejection of compact, the movable block moves right, driving stirring motor together, puddler and arm-tie remove, the arm-tie can once only be once excavated out the grain of stoving incasement portion, the effectual ejection of compact speed that has promoted.

However, the drying device cannot reuse heat generated during drying in the using process, which causes energy waste and is not in accordance with the idea of energy conservation and environmental protection.

Therefore, the improvement is made, and an environment-friendly drying system for agricultural products and application equipment thereof are provided.

Disclosure of Invention

The invention aims to: aiming at the problems that the existing drying system can not adjust the wind power of a fan according to the humidity, discharge humid air as soon as possible, can not recycle hot air and can not adjust the material conveying speed according to the drying degree of crops; and the problem of energy waste caused by the fact that heat generated in the drying process cannot be reused.

In order to achieve the above purpose, the invention provides the following technical scheme:

an environment-friendly drying system for agricultural products and application equipment thereof are provided to improve the problems.

The present application is specifically such that:

the temperature control device comprises a main control module, wherein six output ends and three input ends are arranged on the main control module, the first input end of the main control module is connected with a power circuit, the first output end of the main control module is connected with the input end of a temperature detection module, the output end of the temperature detection module is connected with the second input end of the main control module, the second output end of the main control module is connected with the input end of a temperature control module, the output end of the temperature control module is connected with the input end of a heating module, the third output end of the main control module is connected with the input end of a fan control module, the output end of the fan control module is connected with the fan module, the fourth output end of the main control module is connected with the input end of a temperature abnormity alarm module, and the fourth output end of the main control module is connected with the input end of a humidity detection module, the output end of the humidity detection module is connected with the third input end, the sixth output end of the main control module is connected with the input end of the material conveying control module, and the output end of the material conveying control module is connected with the input end of the material conveying module.

As the preferred technical scheme of this application, heating module specifically is the heating wire, generates heat and heats surrounding air to dry crops, temperature control module is used for to the control of heating wire power, changes the heating temperature of heating wire, fan module specifically is the fan of blowing for blow to crops with the air after heating module heating, fan control module is used for controlling the rotational speed of fan motor in the fan of blowing, changes the wind speed of the fan of blowing, defeated material module specifically is transport structure for carry crops to remove, defeated material control module is used for controlling transport structure's functioning speed, changes transport structure's defeated material speed, and temperature detection module specifically is temperature sensor for whether the detection temperature reaches the stoving requirement, and temperature anomaly alarm module sends out the warning staff when temperature detection module detects that the temperature does not conform to the stoving requirement, the humidity detection module is specifically a humidity sensor and is used for detecting the humidity of air blown through crops and achieving the effect of indirectly detecting the water content of the crops.

As the preferred technical scheme of this application, fan module is connected with the air inlet module, fan module is connected with heating module, the defeated material module of heating module is connected, defeated material module is connected with condensation module, and condensation module specifically is the heating panel for reduce the moisture in the humid air of high temperature, condensation module is connected with the air inlet module, and the air inlet module includes air-supply line case, air-supply grille, air-supply line and gas-supply pipe.

The utility model provides an environment-friendly stoving application apparatus of agricultural product, includes the shell body, the fixed interior casing that is equipped with in inside of shell body, the inside of interior casing is equipped with transport structure, transport structure's inside is equipped with hot-blast structure, transport structure's top is equipped with the air reflux structure, the top of shell body is equipped with air transport structure, one side of shell body is equipped with the switch board, the inside front end of interior casing and rear end are fixed and are equipped with a plurality of strip that keeps out the wind.

As the preferred technical scheme of this application, transport structure includes respectively with two side shields of the inside fixed connection in interior casing both sides, hot-blast structure is located between two side shields, the front end and the rear end of hot-blast structure all are equipped with the conveyer, two the cover is equipped with annular gauze area on the conveyer.

As the preferred technical scheme of this application, hot-blast structure include with side shield fixed connection's hot-blast case, the internally mounted of hot-blast case is equipped with a plurality of heating wire and is located the fan of blowing at a plurality of heating wire top.

As the preferred technical scheme of this application, the air reflux structure package rubbing board body, the both ends of plate body are all fixed be equipped with shell body fixed connection's arc wall, a plurality of arc wall has been seted up to the bottom of plate body.

As the preferred technical scheme of this application, two vents have been seted up at interior casing top, air transport structure is including fixed interlude in the air inlet case at shell body top, the top installation of air inlet case is equipped with air-inlet grille, is that air-inlet grille's both sides intercommunication is equipped with a plurality of air-supply line that is located between shell body and the interior casing, a plurality of heating panel of outside fixedly connected with of air-supply line, a plurality of air vent has been seted up on the heating panel, interior casing and side shield and heating wire intercommunication are passed in proper order to the tip of air-supply line, the tip of air-supply line is located the bottom of heating wire, the both sides intercommunication of air inlet case is equipped with a plurality of gas-supply pipes that are located the shell body outside, the end fixing interlude of gas-supply pipe is in the bottom of shell body both sides.

As the preferred technical scheme of this application, adjacent two set up the guiding gutter that is located the radiating plate surface between the air vent, the cover is equipped with the heat preservation cotton on the gas-supply pipe.

As the preferred technical scheme of this application, the both sides at shell body and interior casing top all are equipped with the inclined plane, the delivery port has been seted up to the bottom of shell body both sides inner wall, the delivery port sets up for the slope, one side that interior casing was kept away from to the delivery port is equipped with the deep bead that articulates in the shell body outside.

Compared with the prior art, the invention has the beneficial effects that:

in the scheme of the application:

1. according to the environment-friendly drying system for agricultural products and the application equipment thereof, the condensation module is cooled by utilizing cold air entering the module through the matching of the air inlet module and the condensation module, water vapor in the air is condensed on the condensation module after high-temperature humid air passes through the condensation module, the air enters the fan module and the heating module again to dry the agricultural products in the conveying module, and the problem that the hot air cannot be reused in the prior art is solved;

2. the humidity in the hot air passing through crops is detected through the matching of the arranged humidity detection module and the fan module, when the humidity is higher, the rotating shaft of a fan motor in the fan module is accelerated through the fan control module, the moist air is quickly discharged, and the drying efficiency is improved;

3. the conveying speed of the conveying module can be adjusted according to the drying time or drying degree of crops by the aid of the conveying control module, and the problem that the conveying speed cannot be adjusted according to the drying degree of the crops in the prior art is solved;

4. through the arranged conveying structure, hot air can pass through the annular gauze belt, crops can be prevented from passing through the annular gauze belt, and the annular gauze can be ensured to have enough strength to convey the crops;

5. the air conveying structure is arranged, so that moisture in the humid high-temperature air after the crops is reduced, and then the air is reused for drying, and the problem that the heat generated during drying cannot be reused to cause energy waste in the prior art is solved;

6. through the air backflow structure who sets up, realized returning the steam that blows off the fan of will blowing and blown back again to the crops on the annular gauze area, realize the secondary and dry.

Description of the drawings:

FIG. 1 is a schematic diagram of a system of an environmentally friendly drying system for agricultural products according to the present application;

FIG. 2 is a flow chart of the operation of the system for drying agricultural products in an environment-friendly manner;

FIG. 3 is a schematic view illustrating an air flow process in the environment-friendly agricultural product drying system provided by the present application;

FIG. 4 is a schematic structural view of an environmentally friendly drying application apparatus for agricultural products according to the present application;

FIG. 5 is a schematic structural diagram of a conveying structure in an environmentally friendly drying application apparatus for agricultural products according to the present application;

FIG. 6 is a schematic structural view of a front cross-section of an environmentally friendly drying application apparatus for agricultural products according to the present application;

FIG. 7 is a schematic view of a heat dissipation plate structure in an environment-friendly drying application apparatus for agricultural products according to the present application;

fig. 8 is a schematic structural view of an air backflow structure in the environment-friendly agricultural product drying application apparatus provided by the present application.

The following are marked in the figure:

1. an outer housing; 2. an inner housing; 3. a conveying structure; 31. a side dam; 32. a conveyor; 33. an annular gauze band; 4. an air delivery structure; 41. an air inlet box; 42. an air inlet grille; 43. an air inlet pipe; 44. a heat dissipation plate; 45. a gas delivery pipe; 5. a weather strip; 6. a wind deflector; 7. a hot air structure; 71. a hot air box; 72. an electric heating wire; 73. a blower fan; 8. an air return structure; 81. a plate body; 82. an arc-shaped slot; 83. a wind limiting plate; 9. a vent; 10. a control cabinet; 11. and (7) a water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in FIG. 1, FIG. 2 and FIG. 3, the present embodiment provides an environment-friendly drying system for agricultural products, comprising a main control module, wherein the main control module is provided with six output terminals and three input terminals, the first input terminal of the main control module is connected with a power circuit, the first output terminal of the main control module is connected with the input terminal of a temperature detection module, the output terminal of the temperature detection module is connected with the second input terminal of the main control module, the second output terminal of the main control module is connected with the input terminal of the temperature control module, the output terminal of the temperature control module is connected with the input terminal of a heating module, the third output terminal of the main control module is connected with the input terminal of a fan control module, the output terminal of the fan control module is connected with the fan module, the fourth output terminal of the main control module is connected with the input terminal of a temperature abnormality alarm module, and the fourth output terminal of the main control module is connected with the input terminal of a humidity detection module, the output end of the humidity detection module is connected with the input end III, the sixth output end of the main control module is connected with the input end of the material conveying control module, and the output end of the material conveying control module is connected with the input end of the material conveying module.

As a preferred embodiment, on the basis of the above-mentioned manner, further, the heating module is specifically an electric heating wire 72, generates heat to heat ambient air and dry crops, the temperature control module is used for controlling the power of the electric heating wire 72 to change the heating temperature of the electric heating wire 72, the fan module is specifically a blowing fan 73 for blowing the air heated by the heating module to the crops, the fan control module is used for controlling the rotation speed of a fan motor in the blowing fan 73 and changing the wind speed of the blowing fan 73, the material conveying module is specifically a conveying structure 3 for conveying the crops to move, the material conveying control module is used for controlling the operation speed of the conveying structure 3 and changing the material conveying speed of the conveying structure 3, the temperature detection module is specifically a temperature sensor for detecting whether the temperature meets the drying requirement, the temperature abnormality alarm module sends an alarm to remind a worker when the temperature detected by the temperature detection module does not meet the drying requirement, the humidity detection module is specifically a humidity sensor and is used for detecting the humidity of air blown through crops and achieving the effect of indirectly detecting the water content of the crops.

As a preferred embodiment, on the basis of the above manner, further, the fan module is connected to the air intake module, the fan module is connected to the heating module, the material conveying module of the heating module is connected to the condensing module, the condensing module is specifically a heat dissipation plate 44 for reducing moisture in high-temperature humid air, and is used for connecting the condensing module to the air intake module, and the air intake module includes an air intake box 41, an air intake grille 42, an air intake pipe 43 and an air pipe 45.

As shown in fig. 4, 5, 6, 7 and 8, the present embodiment provides an environment-friendly drying application device for agricultural products, which includes an outer casing 1, an inner casing 2 is fixedly disposed inside the outer casing 1, a space is formed between the inner casing 2 and the outer casing 1, which is beneficial to heat preservation of the inner casing 2, and at the same time, a pipeline is conveniently installed in the space, a conveying structure 3 is disposed inside the inner casing 2, the conveying structure 3 conveys crops, a hot air structure 7 is disposed inside the conveying structure 3, the hot air structure 7 blows hot air to dry the crops, an air backflow structure 8 is disposed on the top of the conveying structure 3, the hot air after drying is blown out to the crops for secondary drying, an air conveying structure 4 is disposed on the top of the outer casing 1, air is input into the hot air structure 7, moisture in high-temperature humid air is reduced, and then the air is conveyed to the hot air structure 7, one side of shell body 1 is equipped with switch board 10, utilizes switch board 10 controlgear operation, and the inside front end of interior casing 2 and rear end are fixed and are equipped with a plurality of weather strip 5, reduce the inside steam of interior casing 2 and run out.

As a preferred embodiment, on the basis of the above manner, further, the conveying structure 3 includes two side baffles 31 respectively fixedly connected with the inside of two sides of the inner shell 2, the hot air structure 7 is located between the two side baffles 31, the front end and the rear end of the hot air structure 7 are both provided with a conveyor 32, the two conveyors 32 are sleeved with annular gauze strips 33, the conveyors 32 support the annular gauze strips 33, and prevent the hot air structure 7 from blocking hot air, so as to limit the escape of hot air, crops are poured on the annular gauze strips 33 during drying, the conveyors 32 drive the annular gauze strips 33 to complete the conveying of the crops, and the annular gauze strips 33 can allow the hot air to penetrate through.

In addition to the above-described embodiments, the hot air structure 7 further includes a hot air box 71 fixedly connected to the side guard 31, the hot air box 71 moves the input air to the opening thereof, a plurality of heating wires 72 and a blowing fan 73 located at the top of the plurality of heating wires 72 are installed inside the hot air box 71, the heating wires 72 heat the input air to the hot air box 71, and the blowing fan 73 blows the heated air to the crops on the loop-shaped gauze belt 33.

As the preferred embodiment, on the basis of the above-mentioned mode, further, the air backflow structure 8 includes a plate 81, the two ends of the plate 81 are both fixedly provided with the arc-shaped grooves 82 fixedly connected with the outer shell 1, the bottom end of the plate 81 is provided with a plurality of arc-shaped grooves 82, after the hot air is blown onto the arc-shaped grooves 82, the hot air is blown along the arc surfaces of the arc-shaped grooves 82 and the blocking of the arc-shaped grooves 82 to blow the hot air annular gauze belt 33, and the crops are dried again.

As a preferable embodiment, on the basis of the above-mentioned mode, further, two ventilation openings 9 are formed at the top of the inner housing 2, the hot air inside the inner housing 2 enters the space between the outer housing 1 and the inner housing 2 through the ventilation openings 9, the air delivery structure 4 includes an air inlet box 41 fixedly inserted at the top of the outer housing 1, an air inlet grille 42 is installed at the top of the air inlet box 41, the air inlet grille 42 blocks foreign matters from entering the air inlet box 41, a plurality of air inlet pipes 43 located between the outer housing 1 and the inner housing 2 are communicated with two sides of the air inlet grille 42, a plurality of heat dissipation plates 44 are fixedly connected to the outside of the air inlet pipes 43, a plurality of ventilation holes are formed on the heat dissipation plates 44, the end portions of the air inlet pipes 43 sequentially penetrate the inner housing 2 and the side baffle plates 31 to communicate with the heating wires 72, the end portions of the air inlet pipes 43 are located at the bottoms of the heating wires 72, the air in the air inlet box 41 is delivered into the hot air box 71 through the air inlet pipes 43, the cold air in the air-supply line 43 cools down the heating panel 44, the both sides intercommunication of air-supply tank 41 is equipped with a plurality of air-supply pipes 45 that are located the shell body 1 outside, the end fixing of air-supply pipe 45 alternates in the bottom of shell body 1 both sides, air-supply pipe 45 carries the air-supply tank 41 between shell body 1 and the interior casing 2 in, the stoving in-process, the air in the air-supply tank 41 is heated and is blown to crops after through hot-blast structure 7 behind the air-supply line 43, moist high temperature air passes through vent 9 and gets into the space between shell body 1 and the interior casing 2, high temperature air does benefit to interior casing 2's heat preservation this moment, the air temperature is lower in the air-supply line 43. The heat dissipation plate 44 is cooled, after the moist high-temperature air passes through the heat dissipation plate 44, water vapor in the moist high-temperature air is condensed into water drops to the surfaces of the heat dissipation plate 44 and the air inlet pipe 43, the heat generated in the condensation process of the water vapor heats the air in the air inlet pipe 43 and then drops to the bottom of the inner shell 2, the dried air enters the concave air box 41 again through the air conveying pipe 45, and the air at the moment is still higher than the air outside the equipment, so that the energy-saving effect is achieved.

As a preferable embodiment, on the basis of the above manner, further, a diversion trench located on the surface of the heat dissipation plate 44 is formed between two adjacent vent holes, so that water drops on the surface of the heat dissipation plate 44 are converged together and then drop, and the air pipe 45 is sleeved with heat insulation cotton to reduce heat dissipation of air in the air pipe 45.

As preferred embodiment, on the basis of above-mentioned mode, it is further, the both sides at shell body 1 and interior casing 2 top all are equipped with the inclined plane, make the drop of water landing along the inclined plane, delivery port 11 has been seted up to the bottom of shell body 1 both sides inner wall, delivery port 11 sets up for the slope, the water that drips to the inside bottom of shell body 1 passes through delivery port 11 and discharges, one side that interior casing 2 was kept away from to delivery port 11 is equipped with and articulates in shell body 1 outside deep bead 6, avoid the inside air of shell body 1 to pass through delivery port 11 and discharge when delivery port 11 does not discharge.

The equipment aims at responding to energy-saving calls, so the application designs an energy-saving agricultural product drying machine, in particular to an environment-friendly drying system for agricultural products.

The above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.