Fertilizer production drying machine

Abstract

The utility model discloses a fertilizer production drying machine, and relates to the technical field of fertilizer preparation. The fertilizer production drying machine comprises a base, a cylindrical drying cylinder fixed on the base, a stirrer rotationally arranged in the cylindrical drying cylinder, and a motor for driving the stirrer to rotate, the stirrer comprises a hollow rotating shaft, a hollow stirring rod, a reinforcing rib and a scraper block; the hollow rotating shaft is arranged in the cylindrical drying cylinder in the axial direction of the cylindrical drying cylinder, and the two ends of the hollow rotating shaft are rotationally connected to the two end walls of the cylindrical drying cylinder correspondingly. A main air channel distributed in the axial direction of the hollow rotating shaft is formed in the hollow rotating shaft, one end of the main air channel is of an open structure, and the other end is of a closed structure; the plurality of hollow stirring rods are fixed on the hollow rotating shaft at intervals. According to the drying machine for fertilizer production, hot air can enter the fertilizer from multiple directions when being introduced into the drying machine, the fertilizer is directly dried from multiple directions, and the drying effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer preparation, and particularly relates to a fertilizer production dryer. Background Art

[0002] In the production of fertilizers, a drying process is required to remove the moisture in the fertilizers, so as to improve their storage stability, improve their physical properties, increase the concentration of the fertilizers and reduce the transportation cost.

[0003] At present, there are various ways to dry fertilizers. The most common drying method is to directly introduce hot air into the fertilizers to evaporate the moisture for drying. However, in this drying method of directly introducing hot air into the fertilizers, since the route of the hot air entry is fixed, some fertilizers in some positions may not directly contact the hot air during the drying process, affecting the drying effect.

[0004] In view of this, the inventor believes that how to design a fertilizer production dryer that can introduce hot air into the fertilizers from multiple directions for multi-directional direct drying of the fertilizers is a technical problem that needs to be solved in the current technical field of fertilizer preparation.

[0005] The information disclosed in this background art section is only intended to enhance the overall understanding of the utility model and should not be construed as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0006] In view of the above technical problems, an embodiment of the utility model provides a fertilizer production dryer to solve the problems raised in the above background art.

[0007] The utility model provides the following technical solutions:

[0008] A fertilizer production dryer includes: a base, a cylindrical drying cylinder fixed on the base, a stirrer rotatably arranged in the cylindrical drying cylinder, and a motor for driving the stirrer to rotate;

[0009] The stirrer includes a hollow rotating shaft, hollow stirring rods, reinforcing ribs, and scraping plates;

[0010] The hollow rotating shaft is arranged axially in the cylindrical drying cylinder along the axis of the cylindrical drying cylinder, and both ends of the hollow rotating shaft are rotatably connected to the two end walls of the cylindrical drying cylinder; a main air duct is arranged on the hollow rotating shaft along its axial direction, one end of the main air duct is an open structure, and the other end is a closed structure;

[0011] There are multiple hollow stirring rods, and the multiple hollow stirring rods are fixedly arranged on the hollow rotating shaft at intervals; an auxiliary air duct is arranged on the hollow stirring rod along its axial direction; one end of the auxiliary air duct on the hollow stirring rod is communicated with the main air duct, and the other end of the air duct opening is communicated with the outside;

[0012] There is a reinforcing rib fixedly connected between the cylindrical drying cylinder and the hollow stirring rod; a scraping plate is arranged at the end of the hollow stirring rod.

[0013] Wherein, one end of the hollow rotating shaft is fixedly connected to the main shaft of the motor, and the other end of the hollow rotating shaft is inserted with a hot air pipe, and the external hot air is sent into the main air duct of the hollow rotating shaft through the hot air pipe.

[0014] Preferably, a feed inlet is arranged at the top of the cylindrical drying cylinder; air outlets are respectively arranged on both sides of the feed inlet at the top of the cylindrical drying cylinder, and control valves are arranged on the air outlets.

[0015] Preferably, one end of the cylindrical drying cylinder is fixedly connected with a fixing ring through two L-shaped fixing rods, and the hot air pipe is inserted and fixed on the fixing ring; wherein, the external diameter value of the hot air pipe is less than or equal to the inner diameter value of the main air duct on the hollow rotating shaft.

[0016] Preferably, multiple groups of support frames are arranged at intervals on the base, each group of support frames includes two symmetrically arranged legs, and the tops of the two legs in each group of support frames are fixedly connected to the cylindrical drying cylinder.

[0017] A fertilizer production dryer provided by an embodiment of the present invention has the following beneficial effects: The present invention designs a fertilizer production dryer, which can enter the fertilizer from multiple directions when hot air is introduced, directly dry the fertilizer from multiple directions, and improve the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the first angle of the present invention;

[0019] Figure 2 It is a schematic structural diagram of the second angle of the present invention;

[0020] Figure 3 It is a perspective view of the present invention;

[0021] Figure 4 It is a schematic sectional structural diagram of the present invention;

[0022] Figure 5 It is a schematic structural diagram of the first angle of the stirrer in the present invention;

[0023] Figure 6 It is a schematic structural diagram of the second angle of the stirrer in the present invention;

[0024] Figure 7 It is the present invention Figure 2 Partial enlarged view of A in the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present utility model.

[0026] Refer to Figures 1-7 。

[0027] In view of the problems mentioned in the above background technology, the embodiments of the present utility model provide a fertilizer production dryer to solve the above technical problems, and the technical solutions are as follows:

[0028] A fertilizer production dryer includes: a base 110, a cylindrical drying cylinder 120 fixed on the base 110, a stirrer rotatably arranged in the cylindrical drying cylinder 120, and a motor 140 for driving the stirrer to rotate;

[0029] The stirrer includes a hollow rotating shaft 131, hollow stirring rods 132, reinforcing ribs 134, and scraping plates 133;

[0030] The hollow rotating shaft 131 is axially arranged in the cylindrical drying cylinder 120 along the axis of the cylindrical drying cylinder 120, and both ends of the hollow rotating shaft 131 are rotatably connected to the two end walls of the cylindrical drying cylinder 120; a main air duct is arranged on the hollow rotating shaft 131 along its axis; one end of the main air duct is an open structure, and the other end is a closed structure;

[0031] There are multiple hollow stirring rods 132, and the multiple hollow stirring rods 132 are fixedly arranged on the hollow rotating shaft 131 at intervals; an auxiliary air duct is arranged on the hollow stirring rod 132 along its axis; one end of the auxiliary air duct on the hollow stirring rod 132 is communicated with the main air duct, and the other end of the air duct opening 132a is communicated with the outside;

[0032] Reinforcing ribs 134 are fixedly connected between the cylindrical drying cylinder 120 and the hollow stirring rod 132; since the cylindrical drying cylinder 120 is a hollow structure, the reinforcing ribs 134 are provided to enhance the structural stability of the hollow stirring rod 132; scraping plates 133 are arranged at the end positions of the hollow stirring rod 132;

[0033] Among them, one end of the hollow rotating shaft 131 is fixedly connected to the main shaft of the motor 140, and the other end of the hollow rotating shaft 131 is inserted with a hot air pipe 160, and the external hot air is sent into the main air duct of the hollow rotating shaft 131 through the hot air pipe 160.

[0034] It should be noted that there are various ways to obtain the hot air and they are all prior arts; for example, a blower can be used for heating and air supply, or an electric heater can be used to generate hot air, etc.

[0035] In this embodiment, a feed inlet 122 is provided at the top of the cylindrical drying cylinder 120; air outlets 121 are respectively provided on both sides of the feed inlet 122 at the top of the cylindrical drying cylinder 120, and control valves 150 are provided on the air outlets 121;

[0036] If hot air is continuously introduced into the cylindrical drying cylinder 120, the volume of the gas in the cylindrical drying cylinder 120 will increase, which may cause the pressure to rise; in order to prevent excessive pressure, the control valve 150 can be periodically opened for exhaust;

[0037] Preferably, a pressure sensor is provided in the cylindrical drying cylinder 120 to monitor the air pressure in real time and automatically control the control valve 150 for exhaust; at the same time, exhaust can also remove the moisture in the fertilizer.

[0038] In this embodiment, one end of the cylindrical drying cylinder 120 is fixedly connected with a fixing ring 171 through two L-shaped fixing rods 172, and the hot air pipe 160 is inserted and fixed on the fixing ring 171; wherein, the external diameter value of the hot air pipe 160 is less than or equal to the inner diameter value of the main air duct on the hollow rotating shaft 131; here, the hot air pipe 160 is not fixedly connected to the hollow rotating shaft 131, and the hot air pipe 160 will not interfere with the rotation of the hollow rotating shaft 131.

[0039] In this embodiment, multiple groups of support frames are arranged at intervals on the base 110, and each group of support frames includes two symmetrically arranged legs 111, and the tops of the two legs 111 in each group of support frames are fixedly connected to the cylindrical drying cylinder 120.

[0040] The working method of the fertilizer production dryer provided by the embodiment of the present utility model is as follows: Pour the fertilizer into the cylindrical drying cylinder 120 from the feed inlet 122, the hot air is sent to the main air duct of the hollow rotating shaft 131 through the hot air pipe 160, and then the hot air enters the auxiliary air ducts on the multiple hollow stirring rods 132 from the main air duct, and overflows from the air duct openings 132a on the multiple azimuth auxiliary air ducts to dry the fertilizer. As the hollow rotating shaft 131 rotates, the fertilizer can be dried in all directions, improving the drying effect.

[0041] A fertilizer production dryer provided by the embodiment of the present utility model has the following beneficial effects: The present utility model designs a fertilizer production dryer, which can enter the fertilizer from multiple directions when introducing hot air, directly dry the fertilizer from multiple directions, and improve the drying effect.

[0042] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units. They may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0043] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "rotation connection", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. It may be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solution of the present utility model and the concept of the present utility model, and all such changes or substitutions should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A fertilizer production dryer, comprising: A base, a cylindrical drying cylinder fixed on the base, a stirrer rotatably arranged in the cylindrical drying cylinder, and a motor driving the stirrer to rotate; characterized in that: The agitator comprises a hollow rotating shaft, a hollow agitating rod, a reinforcing rib and a scraping plate; The hollow rotating shaft is arranged in the cylindrical drying cylinder along the axial direction of the cylindrical drying cylinder, and the two ends of the hollow rotating shaft are rotatably connected to the two end walls of the cylindrical drying cylinder respectively; the hollow rotating shaft is provided with a main airway distributed along its axial direction, one end of the main airway is an open structure, and the other end is a closed structure; The hollow stirring rods include a plurality of hollow stirring rods, which are fixed at intervals on the hollow rotating shaft; the hollow stirring rods are provided with auxiliary air passages distributed along the axial direction thereof; one end of the auxiliary air passage on the hollow stirring rod is connected to the main air passage, and the air passage opening at the other end is connected to the outside; A reinforcing rib is fixedly connected between the cylindrical drying cylinder and the hollow stirring rod; a scraper plate is arranged at the end of the hollow stirring rod; One end of the hollow shaft is fixedly connected to the main shaft of the motor, and the other end of the hollow shaft is plugged with a hot air pipe, and external hot air is delivered to the main airway of the hollow shaft through the hot air pipe.

2. The fertilizer production dryer according to claim 1, characterized in that: A feed inlet is arranged at the top of the columnar drying cylinder; air outlets are arranged at both sides of the feed inlet at the top of the columnar drying cylinder, and control valves are arranged on the air outlets.

3. The fertilizer production dryer according to claim 1, characterized in that: One end of the cylindrical drying cylinder is fixedly connected to a fixing ring through two L-shaped fixing rods, and the hot air pipe is plugged and fixed on the fixing ring; wherein the outer diameter of the hot air pipe is less than or equal to the inner diameter of the main airway on the hollow rotating shaft.

4. The fertilizer production dryer according to claim 1, characterized in that: A plurality of groups of support frames are arranged at intervals on the base, each group of support frames comprises two symmetrically arranged support legs, and the top ends of the two support legs in each group of support frames are fixedly connected to the columnar drying cylinder.

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