Half-tube vacuum dryer

Abstract

The utility model discloses a half-tube vacuum dryer which comprises a machine base, an upper support is arranged on the upper side of the machine base, a half-tube drying shell is rotationally arranged on the upper portion of the upper support through a bearing seat and a connecting shaft, the half-tube drying shell is arranged to be a J-shaped tube, and blocking protrusions are arranged on the inner wall of the half-tube drying shell. A half-pipe drying shell is rotatably arranged on the upper portion of the upper support through a bearing seat and a connecting shaft, one end of the connecting shaft is in transmission connection with a motor through a gear set, and a vacuumizing pump is connected to a top cover at the upper end of the machine base through a pipeline. The motor and the gear set drive the connecting shaft to rotate forwards and backwards for adjustment, longitudinal rotation or swing adjustment treatment can be conducted on the half-pipe drying shell, materials can be fully scattered conveniently, and the plastic particle drying efficiency can be improved easily.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum dryers, in particular to a half-tube vacuum dryer. Background Art

[0002] A vacuum dryer is a device that removes moisture from the parts inside a packaging container by extracting the air inside the container to a predetermined vacuum degree. It is specially designed for drying heat-sensitive, easily decomposable and easily oxidizable substances. It can be filled with inert gas, and can especially quickly dry items with complex ingredients.

[0003] In the prior art, there is a vacuum dryer with application number 201620057109.3, which includes a body, and the body includes two layers of stainless steel plates, an inner layer and an outer layer, and a heating layer is formed between the two layers of stainless steel plates, and the heating layer includes a carbon fiber heating tube bonded to the inner layer, and asbestos fibers are separated between the carbon fiber heating tube and the outer layer. This scheme provides a vacuum dryer, which improves the heating structure of the body, and the heat is not easily transferred to the outer wall of the body, and the heat preservation effect is good and more energy-saving. However, it is difficult to fully disperse the materials, and the materials piled together are prone to uneven drying or increased drying time, thereby affecting the drying efficiency of plastic particles. Utility Model Content

[0004] The utility model aims to provide a half-tube vacuum dryer to solve the problem in the prior art that it is difficult to fully disperse materials, and the materials piled together are prone to cause uneven drying or increase drying time, thereby affecting the drying efficiency of plastic particles.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a half-tube vacuum dryer, comprising a machine base, an upper bracket is provided on the upper side of the machine base, a half-tube drying shell is rotatably provided on the upper part of the upper bracket through a bearing seat and a connecting shaft, the half-tube drying shell is configured as a J-tube, and a blocking protrusion is provided on the inner wall of the half-tube drying shell, one end of the connecting shaft is connected to a motor through a gear set, and a vacuum pump is connected to the top cover at the upper end of the machine base through a pipeline.

[0006] Furthermore, a discharge port is provided on one side of the bottom of the half-tube drying shell, and a discharge valve is provided on the discharge port.

[0007] Furthermore, the gear set includes a driven gear arranged on the outside of the connecting shaft, and one end of the motor is provided with a driving gear meshingly connected with the driven gear.

[0008] Furthermore, the motor is fixedly arranged on the outside of the upper bracket, and a PLC control cabinet for overall control is also arranged on the outside of the upper bracket.

[0009] Furthermore, an electric heating layer is provided on the inner wall of the half-tube drying shell, and a heat preservation layer is provided on the outer side of the half-tube drying shell.

[0010] Furthermore, the blocking protrusions are evenly distributed inside the half-tube drying shell, and the blocking protrusions are configured as spiral protrusions, and the cross-section of the blocking protrusions is an isosceles trapezoid.

[0011] Furthermore, the half-tube drying shell includes a vertical blanking section and a slow blanking section, and the slow blanking section is arranged at one end of the vertical blanking section.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model also has a half-tube drying shell rotatably arranged on the upper part of the upper bracket through a bearing seat and a connecting shaft, and one end of the connecting shaft is connected to a motor through a gear set transmission, so that the motor and the gear set drive the connecting shaft to rotate forward and reversely, and the half-tube drying shell can be longitudinally rotated or swung to adjust the processing, which is convenient for fully breaking up the materials and is beneficial to improving the efficiency of drying plastic particles.

[0014] 2. The utility model configures a half-tube drying shell into a J-shaped tube, and the half-tube drying shell includes a vertical dropping section and a slow dropping section, and the slow dropping section is arranged at one end of the vertical dropping section, so that the material can fall and be mixed at different speeds in the half-tube drying shell, which is beneficial to further improve the mixing efficiency.

[0015] 3. The utility model provides blocking protrusions on the inner wall of the half-tube drying shell, the blocking protrusions are evenly distributed inside the half-tube drying shell, and the blocking protrusions are arranged as spiral protrusions, and the cross-section of the blocking protrusions is isosceles trapezoidal, so that the material can fall and be processed on the inner wall of the half-tube drying shell, which is convenient for the material to be fully spread, which is beneficial to further improve the mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the half-tube drying shell of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the half-tube drying shell of the utility model.

[0020] In the figure: 1. machine base; 2. upper bracket; 3. half-tube drying shell; 301. vertical blanking section; 302. slow blanking section; 4. top cover; 5. insulation layer; 6. discharge port; 7. discharge valve; 8. pipeline; 9. vacuum pump; 10. connecting shaft; 11. driven gear; 12. driving gear; 13. motor; 14. PLC control cabinet; 15. electric heating layer; 16. blocking protrusion. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In an embodiment of the utility model, a half-tube vacuum dryer includes a machine base 1, an upper bracket 2 is provided on the upper side of the machine base 1, a half-tube drying shell 3 is rotatably provided on the upper part of the upper bracket 2 through a bearing seat and a connecting shaft 10, and the half-tube drying shell 3 is configured as a J-tube. The half-tube drying shell 3 includes a vertical dropping section 301 and a slow dropping section 302, and the slow dropping section 302 is arranged at one end of the vertical dropping section 301, so that the material can fall and mix at different speeds in the half-tube drying shell 3, increasing the probability of material collision and scattering, which is conducive to further improving the efficiency of mixing.

[0023] like Figure 1 As shown, one end of the connecting shaft 10 is connected to a motor 13 through a gear set, the gear set includes a driven gear 11 arranged on the outside of the connecting shaft 10, one end of the motor 13 is provided with a driving gear 12 meshing with the driven gear 11, the motor 13 is fixedly arranged on the outside of the upper bracket 2, and a PLC control cabinet 14 for overall control is also provided on the outside of the upper bracket 2, so that the connecting shaft 10 can be driven by the motor 13 and the gear set to rotate forward and reverse, and the semi-tube drying shell 3 can be longitudinally rotated or swung to adjust processing, so that the material can be fully dispersed, which is beneficial to improving the efficiency of plastic particle drying.

[0024] like Figure 2 As shown, the inner wall of the half-tube drying shell 3 is provided with a blocking protrusion 16, which is evenly distributed inside the half-tube drying shell 3, and the blocking protrusion 16 is configured as a spiral protrusion, and the cross-section of the blocking protrusion 16 is an isosceles trapezoid, so that the material can be processed by falling down the inner wall of the half-tube drying shell 3, which is convenient for the material to be fully spread, which is beneficial to further improve the mixing efficiency.

[0025] like Figure 1 , Figure 2 As shown, the top cover 4 at the upper end of the base 1 is connected to a vacuum pump 9 through a pipeline 8, which is used to vacuum the interior of the half-tube drying shell 3. A discharge port 6 is provided on one side of the bottom of the half-tube drying shell 3, and a discharge valve 7 is provided on the discharge port 6 to facilitate discharge processing. An electric heating layer 15 is provided on the inner wall of the half-tube drying shell 3 to heat and dry the material on the inner wall of the half-tube drying shell 3, and the heating uniformity is strong. A heat preservation layer 5 is provided on the outer side of the half-tube drying shell 3 to reduce heat loss and facilitate energy saving.

[0026] The working principle and use process of the utility model are as follows: when in use, plastic particles are put into the half-tube drying shell 3 from the upper feed port, and the top cover is closed and sealed. The interior of the half-tube drying shell 3 is vacuumed through the pipeline 8 and the vacuum pump 9, and the electric heating layer 15 is used for heating and drying at the same time. In addition, one end of the connecting shaft 10 at both ends of the half-tube drying shell 3 is connected to the motor 13 through a gear group transmission, so that the motor 13 and the gear group drive the connecting shaft 10 to rotate forward and reversely, and the half-tube drying shell 3 can be longitudinally rotated or swung to adjust the processing, so that the material can be fully dispersed, which is beneficial to improving the efficiency of drying plastic particles.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above 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 utility model shall be included in the protection scope of the utility model.

Claims

1. A half-tube vacuum dryer, comprising a base (1), characterized in that: An upper bracket (2) is provided on the upper side of the machine base (1); a half-tube drying shell (3) is rotatably provided on the upper part of the upper bracket (2) via a bearing seat and a connecting shaft (10); the half-tube drying shell (3) is configured as a J-shaped tube, and a blocking protrusion (16) is provided on the inner wall of the half-tube drying shell (3); one end of the connecting shaft (10) is connected to an electric motor (13) via a gear train; and a vacuum pump (9) is connected to the top cover (4) at the upper end of the machine base (1) via a pipeline (8).

2. A half-tube vacuum dryer according to claim 1, characterized in that: A discharge port (6) is provided on one side of the bottom of the half-tube drying shell (3), and a discharge valve (7) is provided on the discharge port (6).

3. A half-tube vacuum dryer according to claim 1, characterized in that: The gear set comprises a driven gear (11) arranged outside the connecting shaft (10), and one end of the motor (13) is provided with a driving gear (12) meshingly connected with the driven gear (11).

4. A half-tube vacuum dryer according to claim 3, characterized in that: The electric motor (13) is fixedly arranged on the outside of the upper bracket (2), and a PLC control cabinet (14) for overall control is also provided on the outside of the upper bracket (2).

5. A half-tube vacuum dryer according to claim 1, characterized in that: An electric heating layer (15) is provided on the inner wall of the half-tube drying shell (3), and a heat-insulating layer (5) is provided on the outer side of the half-tube drying shell (3).

6. A half-tube vacuum dryer according to claim 1, characterized in that: The blocking protrusions (16) are evenly distributed inside the half-tube drying shell (3), and the blocking protrusions (16) are configured as spiral protrusions. The cross section of the blocking protrusions (16) is an isosceles trapezoid.

7. A half-tube vacuum dryer according to claim 1, characterized in that: The half-tube drying shell (3) comprises a vertical blanking section (301) and a slow blanking section (302), and the slow blanking section (302) is arranged at one end of the vertical blanking section (301).

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