Helical ribbon vacuum dryer with pre-stirring structure

Abstract

According to the helical ribbon vacuum drying machine with the pre-stirring structure, a feeding pipe is arranged at the upper end of a top cover, a conical barrel is arranged at the upper end of the feeding pipe, a motor is fixedly arranged on one side of the conical barrel, a shell is fixedly arranged above the conical barrel, and a second rotating shaft is rotationally arranged at one end of the shell; a driven block located in the shell is arranged at the top end of the second rotating shaft, a driving block located in the shell is arranged at the output end of the motor, the second rotating shaft can drive the stirring rod and the material conveying screw rod to rotate, and the stirring rod can provide a pre-stirring effect on materials in the conical barrel in the rotating process; and materials which are bonded into blocks can be crushed before being added into the tank body.

Description

Technical Field

[0001] The utility model relates to the field of screw belt vacuum dryers, in particular to a screw belt vacuum dryer with a pre-mixing structure. Background Art

[0002] The spiral vacuum dryer is a derivative of the conical mixer. It introduces a drying function on top of the original single mixing function. It can dry and stir the material at the same time, achieving a dual-function effect.

[0003] When the existing spiral vacuum dryer is in use, before the wet material is added to the dryer, part of the material will stick together into blocks. When it enters the interior of the dryer, the time required for the drying process will increase, which will reduce the drying efficiency of the material. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a spiral ribbon vacuum dryer with a pre-mixing structure.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spiral ribbon vacuum dryer with a pre-mixing structure, comprising a tank body and a top cover, the top cover is fixed to the upper end of the tank body, a feed pipe is provided at the upper end of the top cover, a conical barrel is provided at the upper end of the feed pipe, a motor is fixedly arranged on one side of the conical barrel, a shell is fixedly arranged above the conical barrel, a second rotating shaft is rotatably arranged at one end of the shell, a driven block located inside the shell is provided at the top end of the second rotating shaft, a driving block located inside the shell is provided at the output end of the motor, the driving block and the driven block are connected by a chain, a stirring rod located inside the conical barrel is provided at the bottom of the second rotating shaft, and a feeding screw located inside the feed pipe is provided at the bottom end of the second rotating shaft.

[0008] In order to provide a preheating effect for the material, the improvement of the utility model is that a heating pipe is embedded in the interior of the feed pipe, and a feed pipe electrically connected to the heating pipe is provided on one side of the feed pipe.

[0009] Furthermore, the present invention has the following improvements: the heating tube is an electric heating tube.

[0010] Furthermore, the utility model is improved in that the motor is a servo motor.

[0011] Furthermore, the utility model has the following improvements: a fixing ring is fixedly arranged on the top of the conical cylinder, an air outlet ring is fixedly arranged on the fixing ring, a plurality of air outlet pipes penetrating the conical cylinder are arranged on the air outlet ring, a fan is arranged on the upper end of the top cover, and the air outlet end of the fan is connected to the air outlet ring through a duct.

[0012] Furthermore, the present invention is improved in that the plurality of air outlet pipes are all arranged at an angle.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a spiral ribbon vacuum dryer with a pre-mixing structure, which has the following beneficial effects:

[0015] The second rotating shaft of the spiral ribbon vacuum dryer with a pre-mixing structure can drive the stirring rod and the feeding screw to rotate. During the rotation of the stirring rod, the material in the conical barrel can be pre-mixed, and the material that is bonded into blocks can be crushed before being added into the tank body, thereby improving the drying efficiency of the material in the tank body. During the rotation of the feeding screw, the material in the feed pipe can be fed, which can avoid the material from being blocked in the feed pipe, and make the structure smoother during the feeding process.

[0016] The controller can energize the heating tube to stabilize the heating tube, thereby generating temperature on the inner wall of the feeding tube, thus providing a preheating effect for the material in the feeding tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view of the three-dimensional structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The main view;

[0019] Figure 3 This is a schematic diagram of the internal structure of the conical cylinder in the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the driving wheel in the utility model;

[0021] In the figure: 1. tank body; 2. top cover; 3. feed pipe; 4. conical cylinder; 5. fixing ring; 6. air outlet ring; 7. air outlet pipe; 8. fan; 9. second rotating shaft; 10. stirring rod; 11. feeding screw; 12. shell; 13. motor; 14. first rotating shaft; 15. controller; 16. heating tube. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 A spiral ribbon vacuum dryer with a pre-mixing structure comprises a tank body 1 and a top cover 2, wherein the top cover 2 is fixed to the upper end of the tank body 1, a feed pipe 3 is provided at the upper end of the top cover 2, a conical barrel 4 is provided at the upper end of the feed pipe 3, a motor 13 is fixedly provided on one side of the conical barrel 4, a shell 12 is fixedly provided above the conical barrel 4, a second rotating shaft 9 is rotatably provided at one end of the shell 12, a driven block located inside the shell 12 is provided at the top end of the second rotating shaft 9, a driving block located inside the shell 12 is provided at the output end of the motor 13, the driving block and the driven block are connected by a chain, a stirring rod 10 located inside the conical barrel 4 is provided at the bottom of the second rotating shaft 9, and a feeding screw 11 located inside the feed pipe 3 is provided at the bottom end of the second rotating shaft 9;

[0024] In the present structure, the material is added to the interior of the tank body 1 through the conical barrel 4 from the feed pipe 3. During this process, starting the motor 13 can make the first rotating shaft 14 drive the driving block to rotate. The driving block has the same structure as the driven block. At this time, the driving block can drive the driven block to rotate through the chain, and then the second rotating shaft 9 can drive the stirring rod 10 and the feeding screw 11 to rotate. During the rotation of the stirring rod 10, it can provide a pre-stirring effect to the material in the conical barrel 4, and can crush the material bonded into blocks before adding it to the tank body 1, thereby improving the drying efficiency of the material in the tank body 1. During the rotation of the feeding screw 11, it can provide a feeding effect to the material in the feed pipe 3, which can avoid the material from being blocked in the feed pipe 3, and can make the present structure smoother during the feeding process.

[0025] In the present structure, a heating tube 16 is embedded inside the feed tube 3, and a feed tube 3 electrically connected to the heating tube 16 is provided on one side of the feed tube 3. The heating tube 16 is an electric heating tube, and the controller 15 can energize the heating tube 16 to stabilize the heating tube 16, thereby generating temperature on the inner wall of the feed tube 3, thereby providing a preheating effect for the material in the feed tube 3.

[0026] Furthermore, the motor 13 can be a servo motor.

[0027] Furthermore, a fixing ring 5 is fixedly arranged on the top of the conical cylinder 4, and an air outlet ring 6 is fixedly arranged on the fixing ring 5. The air outlet ring 6 is provided with a plurality of air outlet pipes 7 penetrating the conical cylinder 4. A fan 8 is provided at the upper end of the top cover 2. The air outlet end of the fan 8 is connected to the air outlet ring 6 through a conduit. The plurality of air outlet pipes 7 are all arranged at an angle. When the fan 8 is started, hot air can be blown out at the plurality of air outlet pipes 7, which can provide a hot air drying effect on the material in the conical cylinder 4. Moreover, the air outlet pipe 7 blows air downward, which can make the material in the conical cylinder 4 enter the feed pipe 3 more smoothly, and can improve the smoothness of the material during the unloading process.

[0028] In the description of this article, it should be noted that 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", "comprises" or any other variations 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.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ribbon vacuum dryer with a pre-mixing structure, comprising a tank body (1) and a top cover (2), wherein the top cover (2) is fixed to the upper end of the tank body (1), characterized in that: A feed pipe (3) is provided at the upper end of the top cover (2), a conical barrel (4) is provided at the upper end of the feed pipe (3), a motor (13) is fixedly provided on one side of the conical barrel (4), a shell (12) is fixedly provided above the conical barrel (4), a second rotating shaft (9) is rotatably provided at one end of the shell (12), a driven block located inside the shell (12) is provided at the top end of the second rotating shaft (9), a driving block located inside the shell (12) is provided at the output end of the motor (13), the driving block and the driven block are connected via a chain, a stirring rod (10) located inside the conical barrel (4) is provided at the bottom of the second rotating shaft (9), and a feeding screw (11) located inside the feed pipe (3) is provided at the bottom end of the second rotating shaft (9).

2. The spiral ribbon vacuum dryer with a pre-mixing structure according to claim 1, characterized in that: A heating pipe (16) is embedded inside the feed pipe (3), and a feed pipe (3) electrically connected to the heating pipe (16) is provided on one side of the feed pipe (3).

3. The ribbon vacuum dryer with a pre-mixing structure according to claim 2, characterized in that: The heating tube (16) is an electric heating tube.

4. The ribbon vacuum dryer with a pre-mixing structure according to claim 3, characterized in that: The motor (13) is a servo motor.

5. The spiral ribbon vacuum dryer with a pre-mixing structure according to claim 4, characterized in that: A fixing ring (5) is fixedly arranged at the top of the conical cylinder (4), an air outlet ring (6) is fixedly arranged on the fixing ring (5), a plurality of air outlet pipes (7) penetrating the conical cylinder (4) are arranged on the air outlet ring (6), a fan (8) is arranged at the upper end of the top cover (2), and an air outlet end of the fan (8) is connected to the air outlet ring (6) through a conduit.

6. The spiral ribbon vacuum dryer with a pre-mixing structure according to claim 5, characterized in that: The plurality of air outlet pipes (7) are all arranged at an angle.

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