Vacuum drying equipment with efficient filtering function

Abstract

The utility model relates to the technical field of vacuum drying equipment, and provides vacuum drying equipment with an efficient filtering function, which comprises a drying tank and a feeding cylinder, the feeding cylinder is arranged at the top of the drying tank, a feeding filtering component is arranged between the outside of the drying tank and the feeding cylinder, an outer convex layer is arranged on the outer surface of the drying tank, and a material box is fixed on the outer convex layer. The processing box is connected to the upper end of the drying tank, a pair of outer frames is arranged on the outer surface of the drying tank, telescopic cylinders are arranged on the outer frames, and the output ends of the telescopic cylinders are connected with a top cover. By means of the technical scheme, the problems that in the prior art, when existing drying equipment treats liquid, the liquid cannot be filtered firstly, the liquid needs to be dried after being treated, the liquid needs to be switched again after being filtered, the number of procedures is large, time consumption is long, and pollution is likely to happen are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum drying equipment, in particular to a vacuum drying equipment with a high-efficiency filtering function. Background Art

[0002] The vacuum drying oven is a drying equipment commonly used in the research and development and inspection processes of the chemical, pharmaceutical and other industries. Compared with the hot air drying oven, it has the advantages of fast drying speed and low drying temperature. It is suitable for drying substances that are volatile, decomposable, and not suitable for drying at high temperatures.

[0003] Current drying equipment does not filter the liquid first when processing it. Instead, it needs to be processed before drying. After filtering, the liquid needs to be replaced again. This process is time-consuming and easily contaminated.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model proposes a vacuum drying device with an efficient filtering function, which solves the problem in the related art that the current drying equipment does not filter the liquid first when processing the liquid, and needs to process it first and then dry it. After filtering, the liquid needs to be replaced again, the process is time-consuming and easily contaminated.

[0006] The technical solution of the utility model is as follows:

[0007] A drying tank and a feeding cylinder, wherein the feeding cylinder is arranged on the top of the drying tank;

[0008] A feed filter assembly, the feed filter assembly being arranged between the outside of the drying tank and the feed cylinder;

[0009] an outer convex layer and a material box, wherein the outer convex layer is arranged on the outer surface of the drying tank, and the material box is fixed on the outer convex layer;

[0010] The feed filter assembly includes a processing box connected to the upper end of the drying tank. A pair of outer frames are provided on the outer surface of the drying tank. A telescopic cylinder is provided on the outer frame. The output end of the telescopic cylinder is connected to a top cover.

[0011] As a further technical solution, a support layer is provided on the inner wall of the processing box, a filter plate is placed on the support layer, the top cover is installed on the top of the processing box, and support rods are provided at the four relative corners of the bottom surface of the top cover.

[0012] As a further technical solution, the lower end of the support rod is pressed against the surface of the filter plate, a first one-way valve is connected between the feed barrel and the top cover, and a movable column is connected to the movable sleeve in the top of the feed barrel.

[0013] As a further technical solution, a piston plate is provided at the lower end of the movable column, a cross frame is provided at the upper end of the movable column, one end of the cross frame is rotatably connected to a transmission rod, and a fixing frame is provided on the outer end surface of the top cover.

[0014] As a further technical solution, a drive motor is provided on the fixed frame, a drive shaft is provided at the output end of the drive motor, the drive shaft is rotatably connected to the lower end of the transmission rod, and an outer pipe is provided on the outer surface of the feed barrel.

[0015] As a further technical solution, a telescopic rod is provided on the top of the outer pipe, the upper end of the telescopic rod is connected to the bottom of the horizontal frame, an extension pipe is provided inside the material box, and a telescopic tube is provided at one end of the extension pipe.

[0016] As a further technical solution, a second one-way valve is provided between the telescopic tube and the outer pipeline, a feed pump is provided at the bottom of the material box, and a connecting pipeline is provided at the suction end of the feed pump.

[0017] As a further technical solution, a gap is provided at the connection between the movable column and the feeding barrel.

[0018] As a further technical solution, a reinforcement layer is provided on the outer surface of the drying tank, and a plurality of supporting legs are provided around the bottom of the reinforcement layer.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] The utility model is provided with a feed filter assembly. Through the interaction of structures such as a processing box, a telescopic cylinder, a filter plate, a first one-way valve, a piston plate, a transmission rod, a telescopic tube and a second one-way valve, the liquid in the material box can be continuously drawn into the feed barrel by repeated suction, and then squeezed downward into the drying tank. In the process, residual impurities are filtered out by the filter plate, and then the drying process can be directly carried out, which can save processing steps and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0022] Figure 1 This is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is the axonometric drawing of the utility model;

[0024] Figure 3 This is an axonometric sectional view of the utility model;

[0025] Figure 4 For this utility model Figure 3 A partial enlarged view of part A;

[0026] In the figure: 1. Drying tank; 2. Feed cylinder; 3. Outer convex layer; 4. Material box; 5. Feed filter assembly; 5-1. Processing box; 5-2. External frame; 5-3. Telescopic cylinder; 5-4. Top cover; 5-5. Support layer; 5-6. Filter plate; 5-7. Support rod; 5-8. First one-way valve; 5-9. Movable column; 5-10. Piston plate; 5-11. Cross frame; 5-12. Transmission rod; 5-13. Fixed frame; 5-14. Drive motor; 5-15. Drive shaft; 5-16. External pipeline; 5-17. Telescopic rod; 5-18. Extension pipeline; 5-19. Telescopic tube; 5-20. Second one-way valve; 5-21. Feed pump; 5-22. Connecting pipeline; 6. Reinforcement layer; 7. Support leg. DETAILED DESCRIPTION

[0027] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0028] like Figures 1 to 4 As shown, this embodiment proposes a vacuum drying device with high efficiency filtering function, including

[0029] A drying tank 1 and a feeding cylinder 2, wherein the feeding cylinder 2 is arranged on the top of the drying tank 1;

[0030] The feed filter assembly 5 is arranged between the outside of the drying tank 1 and the feed cylinder 2;

[0031] The outer convex layer 3 and the material box 4, the outer convex layer 3 is arranged on the outer surface of the drying tank 1, and the material box 4 is fixed on the outer convex layer 3;

[0032] The feed filter assembly 5 includes a processing box 5-1, which is connected to the upper end of the drying tank 1. A pair of outer frames 5-2 are provided on the outer surface of the drying tank 1. A telescopic cylinder 5-3 is provided on the outer frame 5-2. The output end of the telescopic cylinder 5-3 is connected to a top cover 5-4. A support layer 5-5 is provided on the inner wall of the processing box 5-1. A filter plate 5-6 is placed on the support layer 5-5. The top cover 5-4 is installed on the top of the processing box 5-1. Support rods 5-7 are provided at the four opposite corners of the bottom surface of the top cover 5-4. The lower end of the support rod 5-7 is pressed against the surface of the filter plate 5-6. A first one-way valve 5-8 is connected between the feed cylinder 2 and the top cover 5-4. A movable column 5-9 is connected to the movable sleeve in the top of the feed cylinder 2. A piston plate 5-10 is provided at the lower end of the movable column 5-9. A cross frame 5-11 is provided at the upper end of the movable column 5-9. The cross frame 5-1 1 is rotatably connected with a transmission rod 5-12 at one end, a fixing frame 5-13 is provided on the outer end surface of the top cover 5-4, a driving motor 5-14 is provided on the fixing frame 5-13, a driving shaft 5-15 is provided at the output end of the driving motor 5-14, and the driving shaft 5-15 is rotatably connected with the lower end of the transmission rod 5-12. An outer pipe 5-16 is provided on the outer surface of the feeding cylinder 2, a telescopic rod 5-17 is provided on the top of the outer pipe 5-16, and the upper end of the telescopic rod 5-17 is connected to the bottom of the horizontal frame 5-11. An extension pipe 5-18 is provided inside the material box 4, and a telescopic tube 5-19 is provided at one end of the extension pipe 5-18. A second one-way valve 5-20 is provided between the telescopic tube 5-19 and the outer pipe 5-16. A feeding pump 5-21 is provided at the bottom of the material box 4, and a connecting pipe 5-22 is provided at the suction end of the feeding pump 5-21.

[0033] In this embodiment, in order to achieve the filtering effect during the feeding process, a feed filter assembly 5 is designed. A processing box 5-1 is connected to the feeding port of the drying tank 1. Two outer frames 5-2 are provided on the outer frame 5-2. A telescopic cylinder 5-3 is installed on the outer frame and is connected to a top cover 5-4. The top cover 5-4 can be controlled to rise and fall with the processing box 5-1 by the telescopic cylinder 5-3. A supporting layer 5-5 is provided around the inside of the processing box 5-1. A filter plate 5-6 is placed on the supporting layer 5-5 and is sealed. Support rods 5-7 are provided at the four corners relative to each other on the bottom surface of the top cover 5-4. The support rods 5-7 can press the filter plate 5-6 to prevent liquid from leaking out of the gap. A movable set is connected to a movable column 5-9 and a piston plate 5-10 in the feeding barrel 2. A cross frame 5-11 is provided on the top of the movable column 5-9. A driving motor 5-14 is fixed to the surface through a fixed frame 5-13, and a transmission rod 5-12 and a driving shaft 5-15 are arranged between the output end of the driving motor 5-14 and the cross frame 5-11. The transmission rod 5-12 can be controlled by the driving motor 5-14 to repeatedly push and pull the movable column 5-9 up and down. Suction can be performed when it moves upward, and liquid can be squeezed into the drying tank 1 when it moves downward, and it will be filtered through the filter plate 5-6. In order to cooperate with the suction, an extension pipe 5-18, a telescopic tube 5-19 and a second one-way valve 5-20 are provided in the material box 4. An outer cover is provided on the outer surface of the feed barrel 2 and is connected to the second one-way valve 5-20. A first one-way valve 5-8 is provided at the bottom discharge point of the feed barrel 2. The suction feed is formed by the effect of one-way flow, and the filtration density of the filter plate 5-6 is large, which can accelerate the filtration by extrusion.

[0034] Furthermore, there is a gap at the connection between the movable column 5-9 and the feeding cylinder 2.

[0035] In this embodiment, a gap is left to facilitate air intake and exhaust when the piston plate 5-10 moves up and down.

[0036] Furthermore, a reinforcement layer 6 is provided on the outer surface of the drying tank 1 , and a plurality of support legs 7 are provided around the bottom of the reinforcement layer 6 .

[0037] In this embodiment, the reinforcement layer 6 and the support legs 7 are provided to improve the stability of the drying tank 1 during operation.

[0038] When feeding and drying is required, the feed pump 5-21 is started to suck the material into the material box 4, and then the drive motor 5-14 is started to control the piston plate 5-10 to move up and down repeatedly. During the process, the liquid is repeatedly drawn in and squeezed out. During extrusion, the liquid is filtered and processed through the filter plate 5-6, and then enters the drying tank 1. The top of the drying tank 1 is provided with a control valve which is not shown in the drawings. The control valve is closed during drying, and the liquid can be discharged from the bottom after the processing is completed. When the filter screen is replaced, the telescopic cylinder 5-3 is started to lift the top cover 5-4, and the telescopic tube 5-19 cooperates with the telescopic tube 5-19 to be opened and taken out for replacement.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vacuum drying device with high efficiency filtration function, characterized in that: include A drying tank (1) and a feeding cylinder (2), wherein the feeding cylinder (2) is arranged on the top of the drying tank (1); A feed filter assembly (5), the feed filter assembly (5) being arranged between the outside of the drying tank (1) and the feed cylinder (2); An outer convex layer (3) and a material box (4), wherein the outer convex layer (3) is arranged on the outer surface of the drying tank (1), and the material box (4) is fixed on the outer convex layer (3); The feed filter assembly (5) comprises a processing box (5-1), the processing box (5-1) is connected to the upper end of the drying tank (1), the outer surface of the drying tank (1) is provided with a pair of external frames (5-2), the external frames (5-2) are provided with a telescopic cylinder (5-3), and the output end of the telescopic cylinder (5-3) is connected to a top cover (5-4).

2. The vacuum drying equipment with high efficiency filtration function according to claim 1, characterized in that: The inner wall of the processing box (5-1) is provided with a support layer (5-5), a filter plate (5-6) is placed on the support layer (5-5), the top cover (5-4) is installed on the top of the processing box (5-1), and support rods (5-7) are provided at four opposite corners of the bottom surface of the top cover (5-4).

3. The vacuum drying equipment with high efficiency filtration function according to claim 2, characterized in that: The lower end of the support rod (5-7) is pressed tightly against the surface of the filter plate (5-6); a first one-way valve (5-8) is connected between the feed cylinder (2) and the top cover (5-4); and a movable column (5-9) is movably connected to the top of the feed cylinder (2).

4. The vacuum drying equipment with high efficiency filtration function according to claim 3, characterized in that: A piston plate (5-10) is provided at the lower end of the movable column (5-9), a cross frame (5-11) is provided at the upper end of the movable column (5-9), one end of the cross frame (5-11) is rotatably connected to a transmission rod (5-12), and a fixing frame (5-13) is provided on the outer end surface of the top cover (5-4).

5. The vacuum drying equipment with high efficiency filtration function according to claim 4, characterized in that: A driving motor (5-14) is provided on the fixing frame (5-13), a driving shaft (5-15) is provided at the output end of the driving motor (5-14), the driving shaft (5-15) is rotatably connected to the lower end of the transmission rod (5-12), and an outer pipe (5-16) is provided on the outer surface of the feeding barrel (2).

6. The vacuum drying equipment with high efficiency filtration function according to claim 5, characterized in that: A telescopic rod (5-17) is provided on the top of the outer pipe (5-16), the upper end of the telescopic rod (5-17) is connected to the bottom of the horizontal frame (5-11), an extension pipe (5-18) is provided inside the material box (4), and a telescopic tube (5-19) is provided at one end of the extension pipe (5-18).

7. The vacuum drying equipment with high efficiency filtration function according to claim 6, characterized in that: A second one-way valve (5-20) is provided between the telescopic tube (5-19) and the outer pipe (5-16), a feed pump (5-21) is provided at the bottom of the material box (4), and a connecting pipe (5-22) is provided at the suction end of the feed pump (5-21).

8. The vacuum drying equipment with high efficiency filtration function according to claim 3, characterized in that: There is a gap at the connection between the movable column (5-9) and the feeding cylinder (2).

9. The vacuum drying equipment with high efficiency filtration function according to claim 1, characterized in that: The outer surface of the drying tank (1) is provided with a reinforcement layer (6), and a plurality of supporting legs (7) are provided around the bottom of the reinforcement layer (6).

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