Energy-saving air source heat pump dryer

Abstract

The application discloses an energy-saving air source heat pump dryer, which comprises an air source heat pump dryer body, a drying room, a shunt type heat conduction pipe, a shaking type drying disc and a moving and turning material assembly. The air source heat pump dryer body is connected with a gas guide main pipe at an air outlet end. The end of the gas guide main pipe is connected with one side of the drying room. The outer end of the shunt type heat conduction pipe is connected with the gas guide main pipe, and the inner end is laid in the drying room. The shaking type drying disc is divided into several groups and is distributed equidistantly in the drying room from top to bottom. The moving and turning material assembly is divided into two groups and is symmetrically installed on the front and back sides of the drying room. The two groups of moving and turning material assemblies are used in cooperation with the shaking type drying disc. The energy-saving air source heat pump dryer designed in the application adopts a bidirectional drying mode. The hot air flow can be disturbed at the position of the material while drying the upper and lower sides of the material, so that the drying effect on the material is improved. The material can be shaken and turned, and the drying efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air source heat pump dryers, in particular to an energy-saving air source heat pump dryer. BACKGROUND

[0002] The air source heat pump dryer is a device that uses air source heat pump technology for drying. It uses air source heat pump technology to absorb heat from outdoor air and transfer heat to the air in the drying chamber, thereby achieving the purpose of drying. Compared with traditional dryers, air source heat pump dryers have the advantages of low energy consumption, environmental protection, safety and reliability, multifunction, good drying effect, etc. It can be used for drying goods in the textile, food, chemical, pharmaceutical and other industries, and is a more energy-saving and environmentally friendly drying equipment. In order to facilitate the drying of materials, the air source heat pump dryer is connected to the drying room through a pipeline to transfer heat to the drying room and centrally dry the materials in the drying room.

[0003] However, the existing air source heat pump dryer has the following problems in the process of drying materials: the existing air source heat pump dryer mostly uses heat pump technology, the drying time of the air source heat pump dryer is longer than that of the traditional dryer, and because the internal space of the drying room is generally large, a large amount of heat needs to be provided, which delays the drying speed of the materials. In addition, the materials in the drying room are mostly placed on the drying disc in a stacking manner, and the static drying method will cause the drying effect of the contact surface between the materials and the drying disc to be poor, more heat needs to be provided and more time needs to be consumed for drying the materials, greatly increasing the heat source supply of the air source heat pump dryer and the energy consumption. Therefore, it is necessary to design a corresponding technical solution to solve the existing technical problems. SUMMARY

[0004] The purpose of the present application is to provide an energy-saving air source heat pump dryer, which solves the technical problem that the existing air source heat pump dryer mostly uses heat pump technology, the drying time of the air source heat pump dryer is longer than that of the traditional dryer, and because the internal space of the drying room is generally large, a large amount of heat needs to be provided, which delays the drying speed of the materials. In addition, the materials in the drying room are mostly placed on the drying disc in a stacking manner, and the static drying method will cause the drying effect of the contact surface between the materials and the drying disc to be poor, more heat needs to be provided and more time needs to be consumed for drying the materials, greatly increasing the heat source supply of the air source heat pump dryer and the energy consumption.

[0005] In order to achieve the above object, the present application provides the following technical scheme: an energy-saving air source heat pump dryer, comprising an air source heat pump dryer body, a drying room, a shunt type heat conduction pipe, a shaking type drying tray and a mobile material turning assembly, the air outlet end of the air source heat pump dryer body is connected with a gas guide main pipe, the tail end of the gas guide main pipe is connected with one side of the drying room, the outer end of the shunt type heat conduction pipe is connected with the gas guide main pipe and the inner end is laid in the drying room, the shaking type drying tray is divided into several groups and is equally distributed in the drying room from top to bottom, the mobile material turning assembly is divided into two groups and is symmetrically installed on the front and rear sides of the drying room, and the two groups of the mobile material turning assembly are used in cooperation with the shaking type drying tray;

[0006] The shunt type heat conduction pipe comprises an air inlet cover one, an air inlet cover two, a gas conveying pipe, a vertical pipe, an air outlet nozzle and a rotary heat conduction airflow pipe, the air inlet cover one and the air inlet cover two are installed at the tail end of the gas guide main pipe, the air inlet cover one is connected with several groups of vertical pipes through the gas conveying pipe, the several groups of vertical pipes are equally embedded on the inner wall of the drying room, the air outlet nozzle is divided into several groups and is uniformly installed on the vertical pipe, the air outlet nozzle is located above the shaking type drying tray, one end of the rotary heat conduction airflow pipe is rotationally connected with the gas conveying pipe and the other end is installed on the inner wall of the drying room;

[0007] The rotary heat conduction airflow pipe comprises a motor one installed on the drying room and a metal gas guide pipe installed on the power output end of the motor one, the metal gas guide pipe is located directly below the shaking type drying tray and a plurality of air outlet holes are uniformly formed on the surface of the metal gas guide pipe, and two ends of the metal gas guide pipe are also symmetrically provided with magnetic stirring columns one;

[0008] The shaking type drying tray comprises an outer frame and a screen embedded in the outer frame, the inner side of the screen is connected with an elastic pad and the outer side is connected with a magnetic stirring column two, the outer side of the screen is movably inserted into the side wall of the outer frame, the elastic pad is connected with the inner wall of the outer frame, and the magnetic stirring column two is used in cooperation with the magnetic stirring column one;

[0009] The mobile material turning assembly comprises a motor two, a screw rod, a sleeve ring, a vertical plate, a chain wheel type driver, a material stirring device, a pressure sensor and a controller, the motor two is divided into two groups and is symmetrically installed on the drying room, the power output end of the motor two is connected with the screw rod, the sleeve ring is threadedly embedded on the screw rod, the vertical plate is connected between the two groups of sleeve rings, the vertical plate is internally provided with a mounting groove, the chain wheel type driver is installed in the mounting groove and is used in cooperation with the material stirring device, the material stirring device is divided into several groups and is uniformly installed on the vertical plate from top to bottom, the pressure sensor is installed on the inner wall of the drying room and is used in cooperation with the sleeve ring, and the pressure sensor is connected with the controller through a line.

[0010] As a preferred form of the present application, the magnetic poking column one comprises a connecting column and a magnetic block mounted on the upper end of the connecting column, the upper end of the connecting column is shaped into a slope structure, the magnetic block is fixed on the connecting column in an inclined manner, the magnetic poking column two is the same as the magnetic poking column one in structure, and the opposite faces of the two groups of magnetic blocks have the same magnetic poles.

[0011] As a preferred form of the present application, the chain wheel type driver comprises a motor three, rollers, an annular rack and transmission gears, the rollers are symmetrically arranged in two groups, the motor three is fixed on the inner wall of the mounting groove and connected with one group of rollers through the power output end, the annular rack is sleeved between the two groups of rollers, and the transmission gears are symmetrically arranged in two groups and mounted on the poking device.

[0012] As a preferred form of the present application, the poking device is composed of two groups of flipping assemblies symmetrically arranged on the left and right sides of the vertical plate.

[0013] As a preferred form of the present application, the flipping assembly comprises an outer shell, rollers, clamping teeth and flipping blades, the outer shell is mounted on the vertical plate, the rollers are rotatably arranged in the outer shell, the clamping teeth are symmetrically arranged in several groups and evenly distributed on the two ends of the rollers in a ring shape, the clamping teeth are engaged with the transmission gears, and the flipping blades are symmetrically arranged in several groups and evenly mounted on the rollers.

[0014] As a preferred form of the present application, the flipping blades are in an arc shape and have a concave surface, and the flipping blades are located directly above the screen.

[0015] As a preferred form of the present application, the air outlet end of the air outlet nozzle is downward and faces the screen below.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. The present application designs an energy-saving air source heat pump dryer, which comprises an air source heat pump dryer body, a drying room, a shunt type heat conducting pipe, a shaking type drying tray and a moving and turning material component; when the material needs to be dried, the staff can uniformly place the material to be dried on the shaking type drying tray, and the hot air flow is delivered into the drying room through the air source heat pump dryer body; the hot air flow can be shunted and bidirectional heating treatment is carried out from the upper and lower parts of the drying tray through the built-in shunt type heat conducting pipe; the shunt type heat conducting pipe is also provided with a rotary heat conducting air flow pipe, which can deliver heat from the bottom of the drying tray and realize left and right swinging of the drying tray in cooperation with the shaking rod of the shaking type drying tray during rotation, so as to achieve better drying purpose; in addition, the moving and turning material component can move transversely along the drying room, and the installed poking component can realize automatic turning of the material during movement, greatly improving the uniformity of material heating and drying efficiency, reducing drying time consumption and energy consumption.

[0018] 2. The energy-saving air source heat pump dryer designed by the present application adopts a bidirectional drying mode, which can disturb the hot air flow at the upper and lower parts of the material while drying, improve the drying effect of the material, and can shake and turn the material, greatly improving the drying efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure diagram of the present application;

[0020] Figure 2 It is the internal structure diagram of the drying room of the present application;

[0021] Figure 3 It is the bottom structure diagram of the shaking type drying tray of the present application;

[0022] Figure 4 It is the structure diagram of the cooperation of the magnetic poking column two and the magnetic poking column one of the present application;

[0023] Figure 5 It is the structure diagram of the moving and turning material component of the present application;

[0024] Figure 6 It is the structure diagram of the turning component of the present application.

[0025] In the figure: 1, air source heat pump dryer body; 2, drying room; 3, air guide main pipe; 4, air inlet cover one; 5, air inlet cover two; 6, air conveying pipe; 7, vertical pipe; 8, air outlet nozzle; 9, motor one; 10, metal air guide pipe; 11, air outlet hole; 12, magnetic stirring column one; 13, outer frame; 14, screen; 15, elastic pad; 16, magnetic stirring column two; 17, motor two; 18, screw; 19, collar; 20, vertical plate; 21, chain wheel type driver; 22, stirrer; 23, pressure sensor; 24, controller; 25, connecting column; 26, magnetic block; 27, motor three; 28, roller; 29, ring rack; 30, transmission gear; 31, shell; 32, roller shaft; 33, clamping tooth; 34, turning blade. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-6 The present application provides a technical solution: an energy-saving air source heat pump dryer, comprising an air source heat pump dryer body 1, a drying room 2, a shunt type heat guide pipe, a shaking type drying disc and a mobile stirring assembly. The air source heat pump dryer body 1 is connected with an air guide main pipe 3 at the air outlet end, the end of the air guide main pipe 3 is connected with one side of the drying room 2, the outer end of the shunt type heat guide pipe is connected with the air guide main pipe 3 and the inner end is laid in the drying room 2, the shaking type drying disc is divided into several groups and is distributed equidistantly from top to bottom in the drying room 2, the mobile stirring assembly is divided into two groups and is symmetrically installed on the front and rear sides of the drying room 2, and the two groups of mobile stirring assemblies are used in cooperation with the shaking type drying disc.

[0028] The shunt heat conduction pipe comprises air inlet cover 4, air inlet cover 5, air conveying pipe 6, vertical pipe 7, air outlet nozzle 8 and rotary heat conduction airflow pipe. The air inlet cover 4 and the air inlet cover 5 are installed at the end of the air guide main pipe 3. The air inlet cover 4 is connected with a plurality of vertical pipes 7 through the air conveying pipe 6. The plurality of vertical pipes 7 are embedded on the inner wall of the drying room 2 at equal intervals. The air outlet nozzle 8 is divided into a plurality of groups and is uniformly installed on the vertical pipe 7. The air outlet nozzle 8 is located above the shaking drying disc. One end of the rotary heat conduction airflow pipe is rotationally connected with the air conveying pipe 6, and the other end is installed on the inner wall of the drying room 2. The incoming hot air flow can be guided through the air inlet cover 4 and the air inlet cover 5 and enter the vertical pipe 7 and the rotary heat conduction airflow pipe along the air conveying pipe 6. The vertical pipe 7 guides the heat to the upper part of the material through the air outlet nozzle 8. The rotary heat conduction airflow pipe guides the heat from the lower part of the material. Thus, the purpose of close-range drying of the upper and lower parts of the material is achieved. The heat loss and external dispersion to other positions of the drying room 2 are reduced. The heat utilization rate is improved. In the blowing process of the two opposite hot air flows, a better drying purpose can be achieved.

[0029] The rotary heat conduction airflow pipe comprises a motor 9 installed on the drying room 2 and a metal air guide pipe 10 installed on the power output end of the motor 9. The end of the metal air guide pipe 10 is rotationally connected with the air conveying pipe 6. The metal air guide pipe 10 is located directly below the shaking drying disc and is uniformly provided with a plurality of air outlet holes 11 on the surface. The metal air guide pipe 10 is also symmetrically provided with magnetic stirring columns 12 at both ends. The motor 9 drives the metal air guide pipe 10 to rotate. The metal air guide pipe 10 throws out airflow during rotation and delivers heat to the bottom of the screen 14.

[0030] The shaking drying disc comprises an outer frame 13 and a screen 14 built in the outer frame 13. The inner side of the screen 14 is connected with a spring pad 15, and the outer side is connected with a magnetic stirring column 16. The outer side of the screen 14 is movably inserted into the side wall of the outer frame 13. The spring pad 15 is connected with the inner wall of the outer frame 13. The spring pad 15 is made of elastic metal material and has a laminated surface structure. The magnetic stirring column 16 is used in cooperation with the magnetic stirring column 12. This design facilitates the reciprocating shaking of the screen 14 in the outer frame 13.

[0031] The mobile material turning assembly includes a second motor 17, a screw 18, a collar 19, a vertical plate 20, a sprocket driver 21, a material feeder 22, a pressure sensor 23, and a controller 24. Two sets of the second motor 17 are symmetrically installed on the drying chamber 2. The power output end of the second motor 17 is connected to the screw 18. The collar 19 is threaded onto the screw 18. The vertical plate 20 connects the two sets of collars 19. An installation groove is provided inside the vertical plate 20. The sprocket driver 21 is installed in the installation groove and works in conjunction with the material feeder 22. Several sets of the material feeder 22 are evenly installed on the vertical plate 20 from top to bottom. Pressure sensor 23 is installed on the inner wall of drying chamber 2 and used in conjunction with collar 19. Pressure sensor 23 is connected to controller 24 via a circuit. Motor 2 17 drives screw 18 to rotate. During the rotation of screw 18, collar 19 and vertical plate 20 move laterally, so that multiple sets of feeders 22 can simultaneously turn the material on multiple sets of shaking drying trays. When collar 19 moves and contacts pressure sensor 23, pressure sensor 23 transmits a signal to controller 24. Controller 24 controls motor 2 17 to rotate in the reverse direction and resets vertical plate 20 for the next turning process.

[0032] Further improvements, such as Figure 4 As shown: Magnetic actuating column one 12 includes a connecting column 25 and a magnetic block 26 installed on the upper end of the connecting column 25. The upper end of the connecting column 25 is processed into a sloping structure. The magnetic block 26 is fixed on the connecting column 25 in an inclined shape. Magnetic actuating column two 16 has the same structure as magnetic actuating column one 12. The magnetic poles of the opposite surfaces of the two sets of magnetic blocks 26 are the same. Every time magnetic actuating column one 12 rotates, when it approaches magnetic actuating column two 16, it can drive magnetic actuating column two 16 to move without contact, thereby pulling the screen 14 to adjust its position and achieve the purpose of shaking the material above.

[0033] Further improvements, such as Figure 5 As shown: The sprocket-type drive 21 includes a motor 27, rollers 28, annular rack 29, and transmission gears 30. The rollers 28 are arranged in two sets, symmetrically arranged. The motor 27 is fixed to the inner wall of the mounting groove and its power output end is connected to one set of rollers 28. The annular rack 29 is fitted between the two sets of rollers 28. The transmission gears 30 are arranged in two sets and are respectively installed on the feeders 22. The annular rack 29 meshes with the transmission gears 30. The motor 27 drives the rollers 28 to rotate. During the rotation of the rollers 28, the rollers 28 drive the annular rack 29. The rotation of the annular rack 29 can achieve the purpose of rotating multiple sets of transmission gears 30, thereby driving multiple sets of feeders 22 on the vertical plate 20 to operate and perform material turning, thereby improving the material drying effect.

[0034] Further improvements, such as Figure 5As shown: the material stirring device 22 is composed of two groups of symmetrical stirring assemblies, and the two groups of stirring assemblies are respectively installed on the two sides of the vertical plate 20.

[0035] Further improvement, as Figure 6 As shown: the stirring assembly includes a shell 31, a roller shaft 32, a tooth 33, and a stirring blade 34, the shell 31 is installed on the vertical plate 20, the roller shaft 32 is rotatably arranged in the shell 31, the tooth 33 is divided into several groups and is evenly distributed in a ring shape at both ends of the roller shaft 32, the tooth 33 is engaged with the transmission gear 30, the stirring blade 34 is divided into several groups and is evenly installed on the roller shaft 32, the rotation of the transmission gear 30 can drive the roller shaft 32 to rotate, and the roller shaft 32 rotates in the process of rotating to stir the material by using the stirring blade 34.

[0036] Further improvement, as Figure 6 As shown: the stirring blade 34 is in an overall arc shape and has a concave surface, and the stirring blade 34 is located directly above the screen 14, which facilitates the stirring of the material by the stirring blade 34.

[0037] Specifically, the air outlet end of the air outlet nozzle 8 faces downward and directly faces the screen 14 below, which facilitates the introduction of part of the airflow to the upper part of the material for drying treatment.

[0038] In use: when the material needs to be dried, the staff can evenly place the material on the screen 14, then open the air source heat pump dryer body 1 and guide the hot air flow into the drying room 2 along the air guide main pipe 3, the incoming hot air flow can be guided through the air inlet cover one 4 and the air inlet cover two 5 and enter the vertical pipe 7 and the rotating heat conduction air flow pipe along the air conveying pipe 6 respectively, the vertical pipe 7 conducts heat to the upper part of the material through the air outlet nozzle 8, and the rotating heat conduction air flow pipe conducts heat from the lower part of the material, so as to achieve the purpose of close-range drying of the upper and lower parts of the material, reduce the loss and external scattering of heat to other positions in the drying room 2, improve the utilization rate of heat, and the two opposite hot air flows can achieve better drying purpose in the blowing process, in addition, the motor one 9 drives the metal air guide pipe 10 to rotate, the metal air guide pipe 10 throws out the air flow in the rotating process, and conducts heat to the bottom of the screen 14, and the magnetic stirring column one 12 is moved once for every one revolution and acts on the magnetic stirring column two 16, the magnetic stirring column two 16 moves to displace, so as to pull the position adjustment of the screen 14 to achieve the purpose of shaking the material above, in addition, the motor two 17 drives the screw rod 18 to rotate, the screw rod 18 drives the sleeve ring 19 and the vertical plate 20 to move transversely in the rotating process, so that multiple groups of the material stirring type drying disc can be simultaneously subjected to the material stirring treatment, at the same time, the motor three 27 drives the roller 28 to rotate, the roller 28 drives the ring gear 29 in the rotating process, the rotation of the ring gear 29 can realize the purpose of rotating multiple groups of the transmission gear 30, so as to drive multiple groups of the material stirring device 22 on the vertical plate 20 to operate and stir the material, improve the material drying effect, when the sleeve ring 19 moves and contacts the pressure sensor 23, the pressure sensor 23 transmits a signal to the controller 24, and the controller 24 controls the motor two 17 to rotate reversely and resets the vertical plate 20 for the next material stirring treatment.

[0039] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0040] In addition, the terms "first", "second", "third", "fourth" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one of the features.

[0041] In this application, unless otherwise clearly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screwing" and other terms should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise clearly limited, the above terms in this application can be understood according to the specific meaning of the above terms in this application by those skilled in the art.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An energy-saving air source heat pump dryer, characterized in that: The dryer includes an air source heat pump dryer body (1), a drying chamber (2), a split-type heat pipe, a swaying drying tray, and a moving material turning assembly. The air outlet of the air source heat pump dryer body (1) is connected to a main air pipe (3). The end of the main air pipe (3) is connected to one side of the drying chamber (2). The outer end of the split-type heat pipe is connected to the main air pipe (3), and the inner end is laid in the drying chamber (2). The swaying drying tray is divided into several groups and is distributed equidistantly from top to bottom in the drying chamber (2). The moving material turning assembly is divided into two groups and is symmetrically installed on the front and rear sides of the drying chamber (2). The two groups of moving material turning assemblies are used in conjunction with the swaying drying tray. The diversion heat pipe includes an air inlet hood one (4), an air inlet hood two (5), an air supply pipe (6), a riser (7), an air outlet nozzle (8), and a rotary heat-conducting airflow pipe. The air inlet hood one (4) and the air inlet hood two (5) are installed at the end of the main air supply pipe (3). The air inlet hood one (4) is connected to several sets of risers (7) through the air supply pipe (6). Several sets of risers (7) are equidistantly embedded in the inner wall of the drying chamber (2). Several sets of air outlet nozzles (8) are evenly installed on the risers (7). The air outlet nozzles (8) are located above the swaying drying tray. One end of the rotary heat-conducting airflow pipe is rotatably connected to the air supply pipe (6), and the other end is installed on the inner wall of the drying chamber (2). The rotary heat-conducting airflow pipe includes a motor (9) installed on the drying room (2) and a metal air-conducting pipe (10) installed on the power output end of the motor (9). The metal air-conducting pipe (10) is located directly below the shaking drying tray and has several sets of air outlets (11) evenly opened on its surface. Magnetic actuating columns (12) are also symmetrically installed at both ends of the metal air-conducting pipe (10). The shaking drying tray includes an outer frame (13) and a screen (14) built into the outer frame (13). An elastic pad (15) is connected to the inner side of the screen (14) and a magnetic actuating column (16) is connected to the outer side. The outer side of the screen (14) is movably inserted into the side wall of the outer frame (13). The elastic pad (15) is connected to the inner wall of the outer frame (13). The magnetic actuating column (16) is used in conjunction with the magnetic actuating column (12). The magnetic actuating column one (12) includes a connecting column (25) and a magnetic block (26) installed on the upper end of the connecting column (25). The upper end of the connecting column (25) is processed into a slope structure. The magnetic block (26) is fixed on the connecting column (25) in an inclined position. The magnetic actuating column two (16) has the same structure as the magnetic actuating column one (12). The magnetic poles of the two sets of magnetic blocks (26) are the same on opposite sides. The moving material turning assembly includes a second motor (17), a screw (18), a collar (19), a vertical plate (20), a sprocket driver (21), a material feeder (22), a pressure sensor (23), and a controller (24). The second motor (17) is divided into two sets and symmetrically installed on the drying chamber (2). The power output end of the second motor (17) is connected to the screw (18). The collar (19) is threaded onto the screw (18). A vertical plate (20) is connected between the two sets of collars (19). The vertical plate (20) has an installation groove inside. The sprocket driver (21) The pressure sensor (23) is installed in the mounting slot and used in conjunction with the material feeder (22). The material feeder (22) is divided into several groups and is evenly installed on the vertical plate (20) from top to bottom. The pressure sensor (23) is installed on the inner wall of the drying room (2) and used in conjunction with the collar (19). The pressure sensor (23) is connected to the controller (24) through a line. When the collar (19) moves and contacts the pressure sensor (23), the pressure sensor (23) transmits a signal to the controller (24). The controller (24) controls the motor (17) to rotate in the reverse direction and resets the vertical plate (20) for the next material turning process.

2. The energy-saving air source heat pump dryer according to claim 1, characterized in that: The sprocket-type driver (21) includes a motor (27), rollers (28), an annular rack (29), and transmission gears (30). The rollers (28) are arranged in two sets and are symmetrically arranged. The motor (27) is fixed on the inner wall of the mounting groove and its power output end is connected to one set of rollers (28). The annular rack (29) is fitted between the two sets of rollers (28). The transmission gears (30) are arranged in two sets and are respectively installed on the feeder (22). The annular rack (29) meshes with the transmission gears (30).

3. The energy-saving air source heat pump dryer according to claim 2, characterized in that: The feeder (22) consists of two sets of symmetrical flipping components, which are respectively installed on both sides of the upright plate (20).

4. The energy-saving air source heat pump dryer according to claim 3, characterized in that: The flipping assembly includes a housing (31), a roller (32), a locking tooth (33), and flipping blades (34). The housing (31) is mounted on the upright plate (20). The roller (32) is rotatably disposed inside the housing (31). The locking tooth (33) is divided into several groups and evenly distributed in a ring at both ends of the roller (32). The locking tooth (33) meshes with the transmission gear (30). The flipping blades (34) are divided into several groups and evenly installed on the roller (32).

5. The energy-saving air source heat pump dryer according to claim 4, characterized in that: The agitating blade (34) has an overall arc-shaped structure and a concave surface, and the agitating blade (34) is located directly above the screen (14).

6. The energy-saving air source heat pump dryer according to claim 5, characterized in that: The air outlet end of the air nozzle (8) faces downward and is directly opposite the screen (14) below.

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