Efficient chemical fertilizer drying device for chemical fertilizer production

Abstract

The utility model discloses an efficient chemical fertilizer drying device for chemical fertilizer production, which comprises a case, a plurality of inclined dispersing plates are arranged on the left inner wall and the right inner wall of the case in a crossed manner, a barrel is arranged on the inner side wall of the case, and a drying mechanism for conveying hot air to the case and the barrel is arranged on the case. A plurality of discs distributed at equal intervals are arranged in the barrel, notches are formed in the tops of the discs, a rotating mechanism which extends into the barrel and is connected with the discs is arranged below the barrel, and a shaking mechanism connected with the rotating mechanism is arranged on the machine box. The outer side of the cylinder communicates with a feeding port extending to the upper portion, the drying mechanism comprises a draught fan, a box body, an electric heating pipe, an exhaust pipe, a first transverse pipe and a second transverse pipe, the draught fan and the box body are arranged at the top of the machine box, and an air outlet of the draught fan communicates with the box body. The drying device has the advantages of efficient drying and uniform drying.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer drying, in particular to a high-efficiency fertilizer drying device for fertilizer production. Background Art

[0002] Fertilizer refers to a type of fertilizer that has been artificially or industrially processed to promote plant growth and development by providing the nutrients needed by plants. It can provide the soil with the nutrients needed for plant growth, thereby increasing the yield and quality of crops. In order to facilitate application, fertilizer is made into granules.

[0003] For fertilizers made into granules, it is necessary to remove excess moisture from the granules to improve the storage stability of the fertilizers and prevent the granules from agglomerating or deteriorating during storage and transportation. However, the drying devices currently used for fertilizers are usually hot air drying. During the drying process, the granules will pile up on each other, and the drying area is small, resulting in uneven drying and a long drying time, which affects the overall efficiency of fertilizer production.

[0004] Therefore, a high-efficiency fertilizer drying device for fertilizer production is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-efficiency fertilizer drying device for fertilizer production to solve the above problems.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A high-efficiency fertilizer drying device for fertilizer production, comprising a chassis, the left and right inner walls of the chassis are cross-arranged with a plurality of inclined spreading plates, the inner side wall of the chassis is provided with a cylinder, the chassis is provided with a drying mechanism for conveying hot air to the chassis and the cylinder, the interior of the cylinder is provided with a plurality of equidistantly distributed discs, the tops of the discs are provided with notches, the lower part of the cylinder is provided with a rotating mechanism extending to the interior of the cylinder and connected to the plurality of discs, the chassis is provided with a shaking mechanism connected to the rotating mechanism, and the outer side of the cylinder is connected with a feed port extending upward.

[0008] Preferably, the drying mechanism includes a fan, a box, an electric heating pipe, an exhaust pipe, a transverse pipe 1 and a transverse pipe 2. A fan and a box are provided on the top of the box. The air outlet of the fan is connected to the box. An electric heating pipe is provided inside the box. The outside of the box is connected to an exhaust pipe extending downward. A plurality of transverse pipes 1 are connected between the exhaust pipe and the box. A plurality of transverse pipes 2 are connected between the exhaust pipe and the cylinder.

[0009] Preferably, the rotating mechanism includes a connecting shaft and a motor 1. The motor 1 is provided below the cylinder. The output shaft of the motor 1 is coaxially connected to a connecting shaft that passes through the cylinder and the disc in sequence upward. The connecting shaft is slidably connected to the penetration point of the cylinder, and the connecting shaft is fixedly connected to the penetration point of the disc.

[0010] Preferably, the feed port includes a feed frame, feed pipe 1, feed pipe 2 and feed pipe 3, a feed frame is provided below the lowest dispersion plate, feed pipe 1, feed pipe 2 and feed pipe 3 are respectively connected between the feed frame and the cylinder, the number of the discs is three, and the connection points between feed pipe 1, feed pipe 2, feed pipe 3 and the cylinder correspond one-to-one to the three discs and are located above them.

[0011] Preferably, the shaking mechanism includes a limit shaft, a spring, a rotating shaft, a cam, a cross plate, a connecting block and a second motor. A cross plate is provided at the bottom of the first motor, and connecting blocks located above the cross plate are provided on the left and right sides of the chassis. Limit shafts are provided at both ends of the top of the cross plate, penetrating to the top of the connecting block on the same side and slidably connected thereto. A spring is sleeved on the limit shaft, and its two ends are connected to the cross plate and the connecting block. A rotating shaft is rotatably connected to the left inner wall of the chassis, and a second motor is provided on the right side of the chassis, which is coaxially connected to the other end of the rotating shaft with an output shaft, and a cam is fixedly sleeved on the rotating shaft, and its outer end abuts against the cross plate.

[0012] Preferably, a slide groove is provided on the inner side wall of the cylinder, a cylinder is provided on the inner side wall of the chassis, a fixed block is provided at the telescopic end of the cylinder, a lifting plate extending to the inside of the slide groove is provided at the bottom of the fixed block, three horizontal plate bodies are provided on the left side of the lifting plate, and the multiple horizontal plate bodies correspond to the three discs one by one and are located above them.

[0013] Preferably, a discharge hopper extending into the interior of the cylinder and corresponding to the lowest notch is provided at the bottom of the chassis, a feed hopper is provided at the top of the chassis, and a column is provided at the bottom of the chassis.

[0014] Preferably, the outer side of the chassis is connected to an L-shaped frame, and a fan is provided inside the L-shaped frame.

[0015] Compared with the prior art, the beneficial effect of the utility model is that hot air can be blown into the interior of the chassis and the cylinder through the drying mechanism, and the fertilizer particles discharged into the chassis will be dispersed under the action of the crossed dispersion plates, and will not pile up on each other, so as to evenly dry the fertilizer particles. Then, the particles are discharged onto the disc through the feed port, and the disc is driven to rotate by the rotating mechanism, so that the particles are evenly distributed on the disc. At the same time, the particles on the disc are driven to shake by the shaking mechanism, thereby continuously changing the drying area, making the fertilizer particles dry more evenly and speeding up the drying time. The fertilizer particles placed on the disc will be dried secondary by the hot air, further speeding up the drying time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings further illustrate the present invention, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model Figure 3 ;

[0020] Figure 4 It is a front cross-sectional view of the utility model;

[0021] Figure 5 It is a left view of the feed port of the utility model.

[0022] In the attached drawings: 1. chassis; 2. dispersion plate; 4. cylinder; 51. fan; 52. box; 53. electric heating pipe; 54. exhaust pipe; 55. transverse pipe one; 56. transverse pipe two; 6. disc; 7. notch; 81. connecting shaft; 82. motor one; 91. limit shaft; 92. spring; 93. rotating shaft; 94. cam; 95. transverse plate; 96. connecting block; 97. motor two; 101. feed frame; 102. feed pipe one; 103. feed pipe two; 104. feed pipe three; 111. fixing block; 112. lifting plate; 113. cylinder; 114. transverse plate; 12. discharge hopper; 13. feed hopper; 141. L-shaped frame; 142. fan; 15. column. DETAILED DESCRIPTION

[0023] The following describes the embodiments of the utility model in detail, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, and "several" means one or more, unless otherwise clearly and specifically defined.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0027] In this embodiment, Figure 1-5 A high-efficiency fertilizer drying device for fertilizer production is provided. The utility model comprises a chassis 1, the left and right inner walls of the chassis 1 are cross-arranged with a plurality of inclined spreading plates 2, the inner wall of the chassis 1 is provided with a cylinder 4, the chassis 1 is provided with a drying mechanism for conveying hot air to the chassis 1 and the cylinder 4, the interior of the cylinder 4 is provided with a plurality of equidistantly distributed discs 6, the top of the disc 6 is provided with a notch 7, the lower part of the cylinder 4 is provided with a rotating mechanism extending to the interior of the cylinder 4 and connected to the plurality of discs 6, the chassis 1 is provided with a shaking mechanism connected to the rotating mechanism, and the outer side of the cylinder 4 is connected with a feed port extending upward.

[0028] In this embodiment, hot air can be blown into the interior of the chassis 1 and the cylinder 4 through the drying mechanism, and the fertilizer particles discharged into the chassis 1 will be dispersed under the action of the crossed dispersion plates 2, and will not pile up on each other, so as to evenly dry the fertilizer particles. Then, the particles are discharged into the disc 6 through the feed port, and the disc 6 is driven to rotate by the rotating mechanism, so that the particles are evenly distributed on the disc 6. At the same time, the particles on the disc 6 are shaken by the shaking mechanism to perform secondary drying on the fertilizer particles. At the same time, the shaken fertilizer particles can continuously change the drying area, so that the fertilizer particles are dried more evenly and the drying time is accelerated.

[0029] Preferably, as another embodiment of the utility model, the drying mechanism includes a fan 51, a box body 52, an electric heating pipe 53, an exhaust pipe 54, a transverse pipe one 55 and a transverse pipe two 56. The fan 51 and the box body 52 are provided on the top of the chassis 1, the air outlet of the fan 51 is connected to the box body 52, the interior of the box body 52 is provided with an electric heating pipe 53, the outer side of the box body 52 is connected to the exhaust pipe 54 extending downward, a plurality of transverse pipes 1 55 are connected between the exhaust pipe 54 and the chassis 1, and a plurality of transverse pipes 2 56 are connected between the exhaust pipe 54 and the cylinder body 4.

[0030] It should be noted that there are three transverse tubes 56, which correspond one to one with the three discs 6 and are located above. The electric heating tube 53 is started to generate heat and heat the air through heat conduction. The fan 51 is started to blow air into the box body 52, and the air heated by the electric heating tube 53 is discharged into the exhaust pipe 54, and discharged to the inside of the chassis 1 and the cylinder 4 through the transverse tube 1 55 and the transverse tube 2 56, so as to dry the fertilizer particles inside the chassis 1 and the cylinder 4.

[0031] Preferably, as another embodiment of the utility model, the rotating mechanism includes a connecting shaft 81 and a motor 82. A motor 82 is provided below the cylinder 4. The output shaft of the motor 82 is coaxially connected with the connecting shaft 81 which passes through the cylinder 4 and the disc 6 upward in sequence. The connecting shaft 81 is slidably connected to the penetration point of the cylinder 4, and the connecting shaft 81 is fixedly connected to the penetration point of the disc 6.

[0032] In this embodiment, since the connecting shaft 81 is connected to the disk 6, the rotation of the connecting shaft 81 can drive the disk 6 to rotate, and the motor 1 82 serves as a power device to drive the connecting shaft 81 to rotate.

[0033] Preferably, as another embodiment of the utility model, the feed port includes a feed frame 101, a feed pipe 102, a feed pipe 103 and a feed pipe 3 104, a feed frame 101 is provided below the lowest dispersion plate 2, and the feed frame 101 is connected to the cylinder 4 with feed pipe 1 102, feed pipe 2 103 and feed pipe 3 104 respectively, the number of discs 6 is three, and the connecting points between feed pipe 1 102, feed pipe 2 103, feed pipe 3 104 and the cylinder 4 correspond one by one to the three discs 6 and are located above them.

[0034] In this embodiment, the fertilizer particles discharged from the bottom spreading plate 2 will fall into the interior of the feed frame 101, and then be discharged onto the three discs 6 from the feed pipe 1 102, the feed pipe 2 103 and the feed pipe 3 104 respectively.

[0035] Preferably, as another embodiment of the utility model, the shaking mechanism includes a limit shaft 91, a spring 92, a rotating shaft 93, a cam 94, a cross plate 95, a connecting block 96 and a motor 2 97. A cross plate 95 is provided at the bottom of the motor 1 82, and connecting blocks 96 located above the cross plate 95 are provided on the left and right sides of the chassis 1. Both ends of the top of the cross plate 95 are provided with a limit shaft 91 that passes through the top of the connecting block 96 on the same side and is slidably connected thereto. The limit shaft 91 is sleeved with a spring 92 whose two ends are connected to the cross plate 95 and the connecting block 96. The left inner wall of the chassis 1 is rotatably connected to the rotating shaft 93. The right side of the chassis 1 is provided with a motor 2 97 whose output shaft is coaxially connected to the other end of the rotating shaft 93. A cam 94 whose outer end abuts against the cross plate 95 is fixedly sleeved on the rotating shaft 93.

[0036] It should be noted that the motor 2 97 can drive the coaxially connected rotating shaft 93 to rotate, and the cam 94 thereon rotates accordingly, and the horizontal plate 95, the rotating mechanism and the disc 6 are lifted up through the convex point on the cam 94 and move upward. During this process, the limit shaft 91 slides upward, and the horizontal plate 95 squeezes the spring 92. When the cam 94 rotates past the convex point, the spring 92 returns to its original state. Under the action of elastic force and gravity, the horizontal plate 95, the rotating mechanism and the disc 6 move downward, and this reciprocating process can make the disc 6 and the particles thereon shake continuously.

[0037] Preferably, as another embodiment of the utility model, a slide groove is provided on the inner wall of the cylinder 4, a cylinder 113 is provided on the inner wall of the chassis 1, a fixed block 111 is provided at the telescopic end of the cylinder 113, a lifting plate 112 extending to the inside of the slide groove is provided at the bottom of the fixed block 111, and three horizontal plates 114 are provided on the left side of the lifting plate 112, and the multiple horizontal plates 114 correspond to the three discs 6 one by one and are located above them.

[0038] It should be noted that the telescopic shaft of the cylinder 113 is in an extended state. During the rotation of the disc 6, the cylinder 113 drives the fixed block 111 and the lifting plate 112 to move downward, and the cross plate body 114 moves downward accordingly. During the rotation of the disc 6, the cross plate body 114 will push the fertilizer particles into the notch 7 to facilitate the discharge of the particles.

[0039] Preferably, as another embodiment of the utility model, a discharge hopper 12 extending into the interior of the cylinder 4 and corresponding to the lowest notch 7 is provided at the bottom of the chassis 1, a feed hopper 13 is provided at the top of the chassis 1, and a column 15 is provided at the bottom of the chassis 1.

[0040] In this embodiment, the particles discharged from the gap 7 will be discharged from the outside of the equipment through the discharge hopper 12, and the feed hopper 13 can be used to discharge fertilizer particles. There are four columns 15, which can be used to support the equipment.

[0041] Preferably, as another embodiment of the present invention, the outer side of the chassis 1 is connected to an L-shaped frame 141 , and a fan 142 is provided inside the L-shaped frame 141 .

[0042] In this embodiment, during the drying process of the fertilizer particles, the moisture in the fertilizer particles is evaporated, and the fan 142 can discharge the moisture out of the device through the L-shaped frame 141 .

[0043] Working principle: the electric heating tube 53 can generate heat and transfer it to the air to heat the air, and the fan 51 will blow the air into the box 52. Starting the fan 51 can blow the air into the box 52, and the air heated by the electric heating tube 53 will be discharged into the exhaust pipe 54, and discharged to the inside of the chassis 1 and the cylinder 4 through the cross pipe 1 55 and the cross pipe 2 56. Then, the fertilizer particles can be discharged into the chassis 1 through the feed hopper 13, and the fertilizer particles discharged into the chassis 1 will be dispersed under the action of the crossed dispersion plates 2, so that the particles will not accumulate on each other, so as to evenly dry the fertilizer particles. At the same time, the fertilizer particles are discharged onto the disc 6 through the feed port. At the same time, the motor 1 82 is started to drive the connecting shaft 81 to rotate, and the connecting shaft 81 will drive the disc 6 to rotate, so that the fertilizer particles are evenly discharged onto the disc 6. Then, the motor 2 97 drives the rotating shaft 93 and the The cam 94 rotates, and the convex point on the cam 94 lifts the cross plate 95, the rotating mechanism and the disc 6 and moves upward. During this process, the limit shaft 91 slides upward, and the cross plate 95 squeezes the spring 92. When the cam 94 rotates past the convex point, the spring 92 returns to its original state. Under the action of elastic force and gravity, the cross plate 95, the rotating mechanism and the disc 6 move downward. This reciprocating process can make the disc 6 and the particles thereon shake continuously. The shaking fertilizer particles can continuously change the drying area, making the fertilizer particles dry more evenly and speeding up the drying time. After the drying is completed, the cylinder 113 can drive the fixed block 111 and the lifting plate 112 to move downward, and the cross plate body 114 moves downward accordingly and abuts against the disc 6. During the rotation of the disc 6, the cross plate body 114 will push the fertilizer particles into the notch 7, and finally, they are discharged from the discharge hopper 12.

[0044] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment", "certain embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0045] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementations of the present invention without creative work, and these equivalent variations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A high-efficiency fertilizer drying device for fertilizer production, comprising a housing (1), characterized in that: The left and right inner walls of the chassis (1) are cross-arranged with a plurality of inclined dispersion plates (2); the inner wall of the chassis (1) is provided with a cylinder (4); the chassis (1) is provided with a drying mechanism for conveying hot air to the chassis (1) and the cylinder (4); the interior of the cylinder (4) is provided with a plurality of equidistantly distributed discs (6); the tops of the discs (6) are provided with notches (7); the bottom of the cylinder (4) is provided with a rotating mechanism extending into the interior of the cylinder (4) and connected to the plurality of discs (6); the chassis (1) is provided with a shaking mechanism connected to the rotating mechanism; the outer side of the cylinder (4) is connected to a feed port extending upward.

2. The high-efficiency fertilizer drying device for fertilizer production according to claim 1, characterized in that: The drying mechanism comprises a fan (51), a box (52), an electric heating pipe (53), an exhaust pipe (54), a first transverse pipe (55) and a second transverse pipe (56). The fan (51) and the box (52) are arranged on the top of the box (1); an air outlet of the fan (51) is connected to the box (52); an electric heating pipe (53) is arranged inside the box (52); an exhaust pipe (54) extending downward is connected to the outside of the box (52); a plurality of first transverse pipes (55) are connected between the exhaust pipe (54) and the box (1); and a plurality of second transverse pipes (56) are connected between the exhaust pipe (54) and the cylinder (4).

3. The high-efficiency fertilizer drying device for fertilizer production according to claim 1, characterized in that: The rotating mechanism comprises a connecting shaft (81) and a motor (82); the motor (82) is provided below the cylinder (4); the output shaft of the motor (82) is coaxially connected to the connecting shaft (81) which passes through the cylinder (4) and the disc (6) in sequence upward; the connecting shaft (81) is slidably connected to the through-hole of the cylinder (4); and the connecting shaft (81) is fixedly connected to the through-hole of the disc (6).

4. The high-efficiency fertilizer drying device for fertilizer production according to claim 1, characterized in that: The feed port comprises a feed frame (101), a feed pipe 1 (102), a feed pipe 2 (103) and a feed pipe 3 (104); a feed frame (101) is provided below the lowermost dispersion plate (2); a feed pipe 1 (102), a feed pipe 2 (103) and a feed pipe 3 (104) are respectively connected between the feed frame (101) and the cylinder (4); the number of the discs (6) is three; the connection points between the feed pipe 1 (102), the feed pipe 2 (103) and the feed pipe 3 (104) and the cylinder (4) correspond to the three discs (6) one by one and are located above them.

5. The high-efficiency fertilizer drying device for fertilizer production according to claim 3, characterized in that: The shaking mechanism comprises a limit shaft (91), a spring (92), a rotating shaft (93), a cam (94), a transverse plate (95), a connecting block (96) and a second motor (97). The bottom of the first motor (82) is provided with a transverse plate (95). The left and right sides of the chassis (1) are provided with connecting blocks (96) located above the transverse plate (95). The two ends of the top of the transverse plate (95) are provided with limit shafts (91) that penetrate to the top of the connecting block (96) on the same side and are slidably connected thereto. The limit shaft (91) is sleeved with a spring (92) whose two ends are connected to the transverse plate (95) and the connecting block (96). The left inner wall of the chassis (1) is rotatably connected with the rotating shaft (93). The right side of the chassis (1) is provided with a second motor (97) whose output shaft is coaxially connected to the other end of the rotating shaft (93). The rotating shaft (93) is fixedly sleeved with a cam (94) whose outer end abuts against the transverse plate (95).

6. The high-efficiency fertilizer drying device for fertilizer production according to claim 1, characterized in that: The inner wall of the cylinder (4) is provided with a slide groove, the inner wall of the chassis (1) is provided with a cylinder (113), the telescopic end of the cylinder (113) is provided with a fixed block (111), the bottom of the fixed block (111) is provided with a lifting plate (112) extending into the interior of the slide groove, and three horizontal plates (114) are provided on the left side of the lifting plate (112), and the plurality of horizontal plates (114) correspond to the three disks (6) one by one and are located above them.

7. The high-efficiency fertilizer drying device for fertilizer production according to claim 1, characterized in that: The bottom of the chassis (1) is provided with a discharge hopper (12) extending into the interior of the cylinder (4) and corresponding to the lowest notch (7), the top of the chassis (1) is provided with a feed hopper (13), and the bottom of the chassis (1) is provided with a column (15).

8. The high-efficiency fertilizer drying device for fertilizer production according to claim 1, characterized in that: The outer side of the chassis (1) is connected to an L-shaped frame (141), and a fan (142) is provided inside the L-shaped frame (141).

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