Drying machine for bactericide production

Abstract

The invention discloses a drying machine for bactericide production, and relates to the technical field of bactericide processing, the drying machine comprises a first drying bin and a second drying bin, a first storage bin is arranged on the material conveying side of the first drying bin, a first material conveying pipe is arranged on an outer shell of the first storage bin, and the first material conveying pipe is used for continuously supplying materials to the first storage bin; a first storage bin is arranged on the conveying side of the first drying bin, a first medium is stored in the first storage bin, a second storage bin is arranged on the conveying side of the second drying bin, a second conveying pipe is arranged on an outer shell of the second storage bin and used for continuously supplying materials to the second storage bin, a second medium is stored in the second storage bin, and the first drying bin and the second drying bin are both connected with a heat source. The first medium and the second medium are mixed to form the complete bactericide, the first medium is a heat-sensitive material in the bactericide, the second medium is a non-heat-sensitive material in the bactericide, the two mediums are separately dried, different drying processes are used, the drying speed is increased, and meanwhile the drying energy consumption is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of fungicide processing, in particular to a dryer for fungicide production. Background Art

[0002] In the production process of fungicides, the drying process directly affects the active ingredient retention rate, particle uniformity and storage stability of the product. At present, the industry generally adopts hot air circulation drying, spray drying or vacuum drying equipment, but there are significant defects: the traditional hot air drying temperature gradient control accuracy is low (±5℃ or more), which easily leads to the decomposition of the active ingredients of heat-sensitive fungicides (such as quaternary ammonium salts); although spray drying can achieve continuous production, the atomization process easily causes uneven particle size distribution (D90>50μm), and has poor adaptability to high-viscosity suspensions; the existing vacuum drying equipment has high energy consumption (unit energy consumption ≥1.2kW·h / kg), and the drying cycle is as long as 8-12 hours, so it is urgent to develop a drying equipment that combines high efficiency and energy saving, precise temperature control and intelligent regulation. Summary of the invention

[0003] The object of the present invention is to provide a dryer for producing bactericides to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: A dryer for producing fungicides, comprising a first drying bin and a second drying bin, wherein a first storage bin is arranged on the feeding side of the first drying bin, a first feeding pipe is arranged on the outer shell of the first storage bin, the first feeding pipe is used to continuously feed the first storage bin, and a first medium is stored in the first storage bin; A second storage bin is arranged on the feeding side of the second drying bin, a second feeding pipe is arranged on the outer shell of the second storage bin, the second feeding pipe is used to continuously feed the second storage bin, and the second medium is stored in the second storage bin; The first drying chamber and the second drying chamber are both connected to a heat source.

[0005] According to the above technical solution, a hydraulic lifting assembly is arranged on one side of the first drying bin and the second drying bin, and the hydraulic lifting assembly includes a support frame standing on the ground, a hydraulic press is installed in the inner frame of the support frame, the output end of the hydraulic press faces upward and a first connecting rod is fixedly installed, the first connecting rod extends toward the drying bin and a support plate is fixedly installed, a plurality of empty pipes are evenly and equidistantly installed at the bottom of the support plate, a feed bin is fixedly installed at the bottom of the plurality of empty pipes, and a first conduit is arranged between the feed bin and the storage bin.

[0006] According to the above technical solution, a first track is arranged in the empty tube, a second connecting rod is slidably connected to the first track, a material guide pipe is fixedly installed at the bottom of the second connecting rod, the material guide pipe is a hollow structure, the bottom is not closed, a plurality of guide holes are arranged on the side wall of the material guide pipe, material guide troughs are arranged on the tops of the first drying bin and the second drying bin, the specifications of the material guide troughs match the specifications of the feed bin, a plurality of feed holes are arranged in the material guide trough, a plurality of micro valves are arranged at the bottom of the feed bin, and the micro valves are vertically aligned with the axis of the material guide pipe.

[0007] According to the above technical solution, a preheating device is provided in the feed bin, the preheating device is installed on the inner wall of the feed bin, and the preheating device is connected to the hydraulic lifting assembly.

[0008] According to the above technical solution, heat recovery devices are arranged at the exhaust ports of the first drying bin and the second drying bin, and the heat recovery devices are divided into two groups. The first group of heat recovery devices is arranged in the internal upper area of ​​the material guide pipe, including a third connecting rod fixedly installed in the material guide pipe, a second motor is installed at the end of the third connecting rod, and a first fan assembly is fixedly installed at the output end of the second motor.

[0009] According to the above technical solution, the second group of heat energy recovery devices is a heat exchange chamber arranged on one side of the drying chamber, a first heat conduction pipe is extended from the top of the heat exchange chamber to be connected to the drying chamber, a fourth connecting rod is fixedly installed in the first heat conduction pipe, a third motor is fixedly installed at the end of the fourth connecting rod, a second fan assembly is fixedly installed at the output end of the third motor, and a second heat conduction pipe is extended from the bottom of the heat exchange chamber to be connected to the drying chamber; A fifth connecting rod is fixedly installed in the second heat conducting pipe, a fourth motor is fixedly installed at the end of the fifth connecting rod, and a third fan assembly is fixedly installed at the output end of the fourth motor; A high temperature resistant filter is provided at the connection between the second heat conducting pipe and the heat exchange chamber.

[0010] According to the above technical solution, temperature sensors are installed in the first drying bin and the second drying bin, and several groups of temperature sensors are arranged in sequence from top to bottom.

[0011] According to the above technical solution, a discharge bin is set on one side of the heat exchange bin, the bottom of the discharge bin is connected to the bottom of the drying bin by setting a third feed pipe, a second pump is set at the connection between the third feed pipe and the drying bin, and a directional fourth fan assembly is set on the fourth feed pipe.

[0012] According to the above technical solution, a number of vertical poles are fixedly installed at the bottom of the discharge bin, a number of short poles are arranged on the side wall of each vertical pole, and a fifth motor is arranged at the bottom of the vertical pole.

[0013] According to the above technical solution, the discharge bins matched with the first drying bin and the second drying bin are connected to the mixing bin together, and a stirring device is installed in the mixing bin.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention, by providing a first drying chamber and a second drying chamber, the first medium and the second medium are mixed to form a complete fungicide, the first medium is a heat-sensitive material in the fungicide, and the second medium is a non-heat-sensitive material in the fungicide, the two media are dried separately, and different drying processes are used to speed up the drying speed while reducing the drying energy consumption; By providing a guide tube and micro valves, the number of opened micro valves and the number of guide tubes driven into place are controlled to control the medium delivery amount. The setting of the guide tube provides a buffer process for the medium delivery, and increases the link of the medium entering the guide tube through the guide hole and then entering the drying bin, so that the medium has more links to extend the time to enter the drying bin. During this time, a preheating process can be provided for the medium. The setting of the guide hole prevents the medium from stacking together and entering the drying bin, and physically loosens the medium to avoid the medium from sticking in the drying bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the back structure of the storage bin of the present invention; Figure 3 It is a schematic diagram of the guide trough of the present invention; Figure 4 It is a schematic top view of the overall structure of the present invention; Figure 5 The present invention Figure 4 A schematic diagram of the enlarged structure of the middle A area; Figure 6 It is a schematic diagram of the internal structure of the air tube of the present invention; Figure 7 It is a schematic diagram of the material guide tube of the present invention; Figure 8 is a schematic diagram of a first heat conducting pipe of the present invention; Fig. 9 is a schematic diagram of a second heat conducting pipe of the present invention; Fig.10 It is a schematic diagram of a discharge bin of the present invention; In the figure: 1, first drying bin; 2, second drying bin; 3, first storage bin; 4, first feed pipe; 5, second storage bin; 6, second feed pipe; 7, support frame; 8, hydraulic press; 9, first connecting rod; 10, support plate; 11, empty pipe; 12, feed bin; 13, first conduit; 14, first pump; 15, first track; 16, second connecting rod; 17, guide pipe; 18, guide hole; 19, guide trough; 20, feed hole; 21, third connecting rod; 22, second motor; 2 3. Heat exchange chamber; 24. First heat pipe; 25. Fourth connecting rod; 26. Third motor; 27. Second fan assembly; 28. Fifth connecting rod; 29. ​​Fourth motor; 30. Third fan assembly; 31. Discharge chamber; 32. Heat source; 33. Mixing chamber; 34. Third feed pipe; 35. Vertical rod; 36. Short rod; 37. Fifth motor; 38. Electric telescopic rod; 39. Press plate; 40. Protruding structure; 41. Fourth feed pipe; 42. Second heat pipe; 43. First fan assembly. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-10 The present invention provides a technical solution: a dryer for producing a fungicide, comprising a first drying bin 1 and a second drying bin 2, a first storage bin 3 is arranged on the feeding side of the first drying bin 1, a first feeding pipe 4 is arranged on the outer shell of the first storage bin 3, the first feeding pipe 4 is used to continuously feed the first storage bin 3, and a first medium is stored in the first storage bin 3; The first drying chamber 1 and the second drying chamber 2 are connected to a matching heat source 32, and the heat source 32 supplies energy to the first drying chamber 1 and the second drying chamber 2. The heat source 32 transports heat medium through a connecting pipe to heat the first drying chamber 1 and the second drying chamber 2. A second storage bin 5 is provided on the feeding side of the second drying bin 2. A second feeding pipe 6 is provided on the outer shell of the second storage bin 5. The second feeding pipe 6 is used to continuously feed the second storage bin 5. The second medium is stored in the second storage bin 5. The first medium and the second medium are mixed to form a complete fungicide. The first medium is a heat-sensitive material in the fungicide, and the second medium is a non-heat-sensitive material in the fungicide. The two media are dried separately and different drying processes are used to speed up the drying process while reducing the drying energy consumption. The first drying chamber 1 uses a low temperature drying heat source; A hydraulic lifting assembly is provided on one side of the first drying bin 1 and the second drying bin 2. The hydraulic lifting assembly includes a support frame 7 standing on the ground, a hydraulic press 8 is installed in the inner frame of the support frame 7, the output end of the hydraulic press 8 faces upward and a first connecting rod 9 is fixedly installed, the first connecting rod 9 extends toward the drying bin and a support plate 10 is fixedly installed, a plurality of empty pipes 11 are evenly and equidistantly installed at the bottom of the support plate 10, a feed bin 12 is fixedly installed at the bottom of the plurality of empty pipes 11, a first conduit 13 is provided between the feed bin 12 and the storage bin, a telescopic structure is provided in the middle part of the first conduit 13, and the first pump 14 is provided in the part of the first conduit 13 in the storage bin, and the function of the first pump 14 is to transport the medium in the storage bin from the first conduit 13 to the first drying bin 1 and the second drying bin 2, and dry the medium in the first drying bin 1 and the second drying bin 2; A first track 15 is arranged in the empty tube 11, and a second connecting rod 16 is slidably connected to the first track 15. A guide tube 17 is fixedly installed at the bottom of the second connecting rod 16. The guide tube 17 is a hollow structure without a closed bottom. A plurality of guide holes 18 are arranged on the side wall of the guide tube 17. A guide groove 19 is arranged on the top of the first drying bin 1 and the second drying bin 2. The specification of the guide groove 19 matches that of the feed bin 12. A plurality of feed holes 20 are arranged in the guide groove 19. The specification of the feed holes 20 matches that of the guide tube 17. A plurality of micro valves are arranged at the bottom of the feed bin 12. The micro valves are vertically aligned with the axis of the guide tube 17, and their specifications match. Before medium transmission, the control system drives the hydraulic press 8 to operate, driving the first connecting rod 9 to descend. The descent of the first connecting rod 9 drives the support plate 10 to descend. The descent of the support plate 10 drives the empty tube 11 to descend. The descent of the empty tube 11 drives the feed bin 12 to descend, until the feed bin 12 descends and fits the guide groove 19. Then the control system drives the micro valve to open. Then drive the second connecting rod 16 to descend along the first track 15, and the second connecting rod 16 descends to drive the guide tube 17 to descend, and the guide tube 17 descends to a state of matching and plugging with the feed hole 20. At this time, the medium can enter the drying bin through the guide hole 18, and the diameter of each guide tube 17 is fixed, which means that the amount of medium transported by each guide tube 17 is fixed. The medium is directly transported to the drying bin instead of being transported by a plurality of guide tubes 17. The medium transport amount can be controlled by controlling the number of opened microvalves and the number of guide tubes 17 driven in place. The setting of the guide tube 17 provides a buffer process for the medium transport, increases the link of the medium entering the guide tube 17 through the guide hole 18 and then entering the drying bin, so that the medium has more links to extend the time to enter the drying bin. During this time, a preheating process can be provided for the medium. The setting of the guide hole 18 prevents the medium from being stacked together and entering the drying bin, and physically loosens the medium to avoid the situation where the medium is bonded in the drying bin. A rubber pad is provided at the joint between the feed bin 12 and the guide trough 19 to achieve a sealing effect; A preheating device is provided in the feed bin 12. The preheating device may include an electric heating wire or a hot air circulation system and is installed on the inner wall of the feed bin 12. The preheating device is linked to the hydraulic lifting assembly through a control system. When the hydraulic press 8 starts to descend, the preheating device automatically starts to preheat the medium entering the feed bin 12. The synchronous operation of the preheating device and the hydraulic lifting assembly ensures that the medium has reached a certain temperature before entering the drying bin, reducing the heating time in the drying bin, thereby further reducing energy consumption. The preheating system can significantly improve the drying efficiency, reduce the heating time in the drying bin, reduce energy consumption, and prevent heat-sensitive media from being damaged by sudden high temperatures. Temperature sensors are installed in the first drying chamber 1 and the second drying chamber 2 to monitor the temperature in the drying chamber in real time. The temperature sensors are connected to the control system. The control system automatically adjusts the heating power in the drying chamber and the heating intensity of the preheating device according to the data fed back by the sensors. The temperature monitoring system is linked with the preheating system and the heating system of the drying chamber to ensure that the medium is always within the optimal temperature range during the drying process to avoid overheating or overcooling. The temperature monitoring and feedback system can accurately control the temperature during the drying process to ensure that both heat-sensitive media and non-heat-sensitive media can be dried under optimal conditions to improve product quality. The upper limit value of the preheating temperature of the heat-sensitive medium by the preheating device is pre-set in the control system; A heat recovery device is arranged at the exhaust port of the first drying bin 1 and the second drying bin 2. The heat recovery device is divided into two groups. The first group is arranged in the upper inner area of ​​the guide pipe 17, including a third connecting rod 21 fixedly installed in the guide pipe 17, a second motor 22 is installed at the end of the third connecting rod 21, and a first fan assembly 43 is fixedly installed at the output end of the second motor 22. When preheating the feed bin 12, the control system drives the second motor 22 to rotate the first fan assembly 43 to rotate the blowing direction upward. The first fan assembly 43 in this direction runs through the feed hole 20 to draw the hot air flow in the drying bin into the feed bin 12, which serves the purpose of auxiliary heating. The effect of the extracted heat energy on the drying bin can be ignored. If there is no need to transport the medium to the drying bin, the control system drives the second motor 22 to rotate the first fan assembly 43 to rotate the blowing direction downward. The first fan assembly 43 in this direction runs through the feed hole 20 to draw the hot air flow in the feed bin 12 into the drying bin, avoiding the ineffective waste of heat energy in the feed bin 12. The second group is a heat exchange chamber 23 arranged on one side of the drying chamber. A first heat conduction pipe 24 is extended from the top of the heat exchange chamber 23 to be connected to the drying chamber. A fourth connecting rod 25 is fixedly installed in the first heat conduction pipe 24. A third motor 26 is fixedly installed at the end of the fourth connecting rod 25. A second fan assembly 27 is fixedly installed at the output end of the third motor 26. A second heat conduction pipe 42 is extended from the bottom of the heat exchange chamber 23 to be connected to the drying chamber. A high-temperature resistant filter is arranged at the connection between the second heat conduction pipe 42 and the heat exchange chamber 23 to prevent the medium from leaking into the second heat conduction pipe 42. A second heat conduction pipe 42 is fixedly installed in the second heat conduction pipe 42. A fifth connecting rod 28 is installed, a fourth motor 29 is fixedly installed at the end of the fifth connecting rod 28, a third fan assembly 30 is fixedly installed at the output end of the fourth motor 29, and air flow interaction is formed between the drying chamber, the first heat conducting pipe 24, the heat exchange chamber 23, and the second heat conducting pipe 42, and a vent hole equipped with an intelligent valve is provided at the bottom of the heat exchange chamber 23, through which the control system can realize air flow interaction between the heat exchange chamber 23 and the outside, and the heat energy recovery device exchanges heat between the hot air and the fresh air outside through the heat exchange chamber 23, recovering part of the heat energy and replacing the heated air flow at the same time; The temperature sensors are arranged in several groups from top to bottom, and the detection values ​​of each group of temperature sensors are independent values, which are independently obtained by the control system. The control system obtains the temperature of all temperature sensors in the drying chamber in real time. The control system sets the temperature value detected by the temperature sensor of the top layer as H1, and the control system sets the temperature value detected by the temperature sensor of the bottom layer as H2. If the temperature value of H1 is much greater than H2, the control system drives the second fan assembly 27 to first draw the airflow in the drying chamber through the first heat conducting pipe 24 to the heat exchange chamber 23, and then uses the third fan assembly 30 to draw the airflow in the heat exchange chamber 23 through the second heat conducting pipe. The heat pipe 42 is transported to the drying chamber to avoid a large difference between the temperature above the medium in the drying chamber and the temperature that the medium can actually contact, resulting in uneven drying of the medium. If the temperature difference between H1 and H2 is within the preset range, the control system drives the third fan assembly 30 to first transport the airflow in the drying chamber to the heat exchange chamber 23 through the second heat pipe 42, and then drives the second fan assembly 27 to extract the airflow in the heat exchange chamber 23 to the drying chamber through the first heat pipe 24, to avoid the temperature at the bottom of the drying chamber being too high, resulting in excessive drying of the medium, or the medium being bonded to the bottom of the drying chamber due to direct contact with high temperature; The temperature data difference between H1 and H2 is pre-entered into the control system; For example, if H1-H2>10℃ is much greater than; The heat recovery system can significantly reduce energy consumption during the drying process, reduce energy waste, and meet environmental protection requirements. Through temperature monitoring by temperature sensors, the temperature fluctuations in the drying chamber can be controlled in real time, and the medium can be dried at a continuous and stable temperature, thereby improving the retention rate of the active ingredients of the fungicide.

[0018] A discharge bin 31 is provided on one side of the heat exchange bin 23, and the bottom of the discharge bin 31 is connected to the bottom of the drying bin through a third delivery pipe 34. A second pump is provided at the connection between the third delivery pipe 34 and the drying bin, and the medium is delivered to the discharge bin 31 through the second pump. The top of the discharge bin 31 is connected to the top of the drying bin through a fourth delivery pipe 41. The fourth delivery pipe 41 is provided with a directional fan assembly, and the airflow in the drying bin is delivered to the discharge bin 31 through the fourth fan assembly. The bottom of the discharge bin 31 is fixed A plurality of vertical poles 35 are installed, and a plurality of short rods 36 are arranged on the side wall of each vertical pole 35. A fifth motor 37 is arranged at the bottom of the vertical pole 35. The output end of the fifth motor 37 is connected to the vertical pole 35. The fifth motor 37 is driven to operate by the control system, so as to drive the vertical pole 35 to rotate, and then drive the short rods 36 to operate, so as to achieve stirring of the medium. An electric control telescopic rod 38 is fixedly installed on the top of the discharge bin 31, and a pressing plate 39 is fixedly installed on the end of the electric control telescopic rod 38. A protruding structure 40 is arranged at the bottom of the pressing plate 39. The control system drives the vertical rod 35 to rotate and stir the medium as a fixed frequency process. When the vertical rod 35 is not running, the electric control telescopic rod 38 is driven to descend to drive the pressing plate 39 to descend and then press the medium. If the medium is not dried sufficiently, the pressing plate 39 cannot crush the medium. If the medium is too dry, the pressing plate 39 presses the medium so that the medium is too finely crushed. The condition of the medium after being pressed by the pressing plate 39 is obtained by the camera component set in the outgoing material bin 31. After the camera component obtains the data, it is determined by the control system whether the medium is dried to be qualified. If the medium is dried to be qualified, the mixing process is started for all the media in the drying bin. If the medium is not dried sufficiently, the fourth fan component is driven to transport the airflow in the drying bin to the discharge bin 31 to continue drying the medium until the medium in the discharge bin 31 is pressed and tested to be qualified by the pressing plate 39. At this time, the drying bin continues to dry the medium inside it at the same time. If the medium is too dry, it means that this batch of medium has failed to dry. After the medium is discharged, a new batch of raw materials is replaced and dried again. After the pressing plate 39 presses the medium, the camera component analyzes the particle breakage rate to obtain medium data and transmits it to the control system for judgment; The pressing plate 39 descends by a preset distance and has no contact with the vertical pole 35; The discharge bin 31 matched with the first drying bin 1 and the second drying bin 2 are connected to the mixing bin 33. A stirring device is installed in the mixing bin 33. The stirring device is driven by the control system and can evenly mix the drying media from the first drying bin 1 and the second drying bin 2. The mixing bin 33 is connected to the outlet of the discharge bin 31 through a pipeline. The dried media automatically enters the mixing bin 33 for mixing. The control system of the stirring device is linked to the outlet valve of the drying bin to ensure that the media are fully mixed in the mixing bin, which can ensure that the heat-sensitive media and the non-heat-sensitive media are evenly mixed after drying to form a complete fungicide, thereby improving the consistency and stability of the product.

[0019] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dryer for producing a fungicide, comprising a first drying chamber (1) and a second drying chamber (2), characterized in that: A first storage bin (3) is arranged on the material delivery side of the first drying bin (1), a first material delivery pipe (4) is arranged on the outer shell of the first storage bin (3), the first material delivery pipe (4) is used to continuously supply material to the first storage bin (3), and a first medium is stored in the first storage bin (3); A second storage bin (5) is arranged on the material delivery side of the second drying bin (2), a second material delivery pipe (6) is arranged on the outer shell of the second storage bin (5), the second material delivery pipe (6) is used to continuously supply material to the second storage bin (5), and a second medium is stored in the second storage bin (5); The first drying chamber (1) and the second drying chamber (2) are both connected to a heat source (32); A hydraulic lifting assembly is provided on one side of each of the first drying bin (1) and the second drying bin (2), the hydraulic lifting assembly comprising a support frame (7) standing on the ground, a hydraulic press (8) being installed in an inner frame of the support frame (7), an output end of the hydraulic press (8) facing upward and a first connecting rod (9) being fixedly installed, the first connecting rod (9) extending toward the drying bin and a supporting plate (10) being fixedly installed, a plurality of empty pipes (11) being evenly installed at equal intervals at the bottom of the supporting plate (10), a feed bin (12) being fixedly installed at the bottom of the plurality of empty pipes (11), and a first guide tube (13) being provided between the feed bin (12) and the storage bin; A first track (15) is arranged in the empty tube (11), a second connecting rod (16) is slidably connected to the first track (15), a material guide tube (17) is fixedly installed at the bottom of the second connecting rod (16), a plurality of guide holes (18) are arranged on the side wall of the material guide tube (17), a material guide groove (19) is arranged on the top of the first drying bin (1) and the second drying bin (2), the specification of the material guide groove (19) matches that of the feed bin (12), and a plurality of feed holes (20) are arranged in the material guide groove (19); A preheating device is provided in the feed bin (12), the preheating device is mounted on the inner wall of the feed bin (12), and the preheating device is connected to the hydraulic lifting assembly.

2. A dryer for producing bactericide according to claim 1, characterized in that: The material guide pipe (17) is a hollow structure with no sealing at the bottom.

3. A dryer for producing bactericide according to claim 2, characterized in that: A plurality of micro valves are arranged at the bottom of the feed bin (12), and the micro valves are vertically aligned with the axis of the feed guide pipe (17).

4. A dryer for producing bactericide according to claim 3, characterized in that: Heat recovery devices are arranged at the exhaust ports of the first drying bin (1) and the second drying bin (2), and the heat recovery devices are divided into two groups. The first group of heat recovery devices is arranged in the upper inner region of the material guide pipe (17), and comprises a third connecting rod (21) fixedly installed in the material guide pipe (17), a second motor (22) being installed at the end of the third connecting rod (21), and a first fan assembly (43) being fixedly installed at the output end of the second motor (22).

5. A dryer for producing bactericide according to claim 4, characterized in that: The heat energy recovery device of the second group is a heat exchange chamber (23) arranged on one side of the drying chamber, a first heat conduction pipe (24) extends from the top of the heat exchange chamber (23) and is connected to the drying chamber, a fourth connecting rod (25) is fixedly installed in the first heat conduction pipe (24), a third motor (26) is fixedly installed at the end of the fourth connecting rod (25), a second fan assembly (27) is fixedly installed at the output end of the third motor (26), and a second heat conduction pipe (42) extends from the bottom of the heat exchange chamber (23) and is connected to the drying chamber; A fifth connecting rod (28) is fixedly mounted in the second heat conducting pipe (42), a fourth motor (29) is fixedly mounted on the end of the fifth connecting rod (28), and a third fan assembly (30) is fixedly mounted on the output end of the fourth motor (29); A high temperature resistant filter is provided at the connection between the second heat conducting pipe (42) and the heat exchange chamber (23).

6. A dryer for producing bactericide according to claim 5, characterized in that: Temperature sensors are installed in the first drying bin (1) and the second drying bin (2), and the temperature sensors are arranged in groups from top to bottom.

7. A dryer for producing bactericide according to claim 6, characterized in that: A discharge bin (31) is provided on one side of the heat exchange bin (23); the bottom of the discharge bin (31) is connected to the bottom of the drying bin by means of a third feed pipe (34); a second pump is provided at the connection between the third feed pipe (34) and the drying bin; a fourth feed pipe (41) is provided between the top of the discharge bin (31) and the top of the drying bin; and a directional fourth fan assembly is provided on the fourth feed pipe (41).

8. A dryer for producing bactericide according to claim 7, characterized in that: A plurality of vertical rods (35) are fixedly installed at the bottom of the discharge bin (31), a plurality of short rods (36) are arranged on the side wall of each vertical rod (35), and a fifth motor (37) is arranged at the bottom of the vertical rod (35).

9. A dryer for producing bactericide according to claim 8, characterized in that: The discharge bins (31) matched with the first drying bin (1) and the second drying bin (2) are connected to a mixing bin (33) together, and a stirring device is installed in the mixing bin (33).

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