Preheating type tungsten powder dryer
By preheating and fully drying with a rotating motor and heating fan in a tungsten powder dryer, combined with the design of the screw conveyor rod, the problems of uneven drying and loss of tungsten powder are solved, and a more efficient and uniform drying effect is achieved.
Patent Information
- Application Number
- CN202420842359.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-04-23
AI Technical Summary
During the drying process, existing tungsten powder dryers are prone to accumulation and uneven drying, and hot gas is difficult to drive the flow of tungsten powder, and the dry tungsten powder is easily sprayed and caused partial loss.
A preheated tungsten powder dryer is designed, and a rotating motor drives the stirring rod on the stirring rod to rotate. The heating fan heats air is transported through the connecting pipe, and the hot air and the stirring rod drive the tungsten powder to turn and dry thoroughly, and pass through the spiral. The conveyor rod is conveyed evenly, with preheating and filtration steps added to improve drying efficiency and accuracy.
By preheating and sufficient drying, the drying efficiency and accuracy of tungsten powder are improved, the loss of tungsten powder is avoided, and uniform discharge is ensured.
Smart Images
Figure CN222187629U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tungsten powder processing, in particular to a preheating type tungsten powder dryer. Background Art
[0002] Most of tungsten is used to produce hard alloy and tungsten iron. Tungsten and chromium, molybdenum, cobalt form heat-resistant and wear-resistant alloys for making cutting tools, metal surface hardening materials, gas turbine blades and combustion tubes, etc. Tungsten and tantalum, niobium, molybdenum, etc. form refractory alloys. Tungsten copper and tungsten silver alloys are used as electrical contact materials.
[0003] After searching, Chinese utility model patent CN214950465U discloses a multi-stage drying structure for tungsten powder, including a box, one side of the top of the box is fixedly connected with a feed pipe, the top of one side of the outer wall of the box is fixedly connected with a driving cylinder, the output end of the driving cylinder is fixedly connected with a filter screen frame corresponding to the feed pipe, both sides of the top of the filter screen frame are fixedly connected with a limited slider, and both sides of the inner wall of the box are fixedly connected with two sliding plates. The utility model drives the cylinder to make the filter screen frame shake continuously, so as to separate some tungsten powder clumps with more water, and fully absorbs the water therein through multiple sliding plates and water absorption surfaces, and can heat the air from the air outlet pipe of the fan through the heating wire, so as to dry the tungsten powder, and at the same time, the dried tungsten powder can be blown to the top of the discharge pipe for discharge.
[0004] The existing device will have the following problems when in use: when drying tungsten powder, the tungsten powder is easy to pile up together, and it is difficult for hot air to drive the tungsten powder to flow, resulting in uneven drying of the tungsten powder. In addition, the dried tungsten powder is easy to spray when feeding, resulting in partial loss of tungsten powder. Utility Model Content
[0005] The purpose of the utility model is to provide a preheating type tungsten powder dryer to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheating tungsten powder dryer, comprising a shell, a rotating motor, and a filter bin, the shell is equipped with a rotating motor, the output end of the rotating motor is tightly connected to a stirring rod, the stirring rod extends to the inside of the filter bin and is installed with a stirring rod, a heating fan is installed on one side of the shell, both sides of the heating fan are connected with connecting pipes, one end of the connecting pipe extends to the inside of the shell and is connected with an air port, a discharge pipe is arranged at the bottom of the shell, a rotating motor is installed at the bottom of the discharge pipe, the output end of the rotating motor is tightly connected to a spiral conveying rod, a discharge port is arranged on one side of the discharge pipe, and a solenoid valve is arranged on the discharge port.
[0007] By adopting the above technical scheme, tungsten powder is introduced into the filter bin in the shell through the feed port, the rotating motor is started to drive the stirring rod on the stirring rod to rotate, the heating fan is started to heat the air and transport it through the connecting pipe, the hot air heats and dries the tungsten powder in the filter bin through the air blowing port, the hot air and the stirring rod drive the tungsten powder to turn over, so that the tungsten powder is fully heated and dried, the tungsten powder is filtered through the filter bin, and the filtered tungsten powder enters the interior of the shell, so that the processed tungsten powder has higher precision.
[0008] Preferably, a discharge pipe is connected to the bottom of the filter bin, and one end of the discharge pipe extends to the bottom of the shell and is installed with a control valve.
[0009] By adopting the above technical solution, the unfiltered tungsten powder is discharged through the discharge pipe by opening the control valve.
[0010] Preferably, a filter is provided on the top of the shell, and a valve is provided on the filter.
[0011] By adopting the above technical solution, when the pressure is high, the valve is opened to filter the hot air through the filter to prevent the tungsten powder from being dispersed into the air.
[0012] Preferably, a feed port is provided on the shell, and the bottom end of the feed port extends to the interior of the filter bin.
[0013] Preferably, the stirring rod is provided with teeth, and a heating wire is provided inside the stirring rod.
[0014] By adopting the above technical solution, the heating wire on the stirring rod preheats the tungsten powder.
[0015] Preferably, a pressure gauge is installed on one side of the shell, and supporting legs are installed on the bottom of the shell.
[0016] By adopting the above technical solution, the interior of the shell is tested by a pressure gauge.
[0017] Preferably, the two groups of discharge pipes are symmetrical about the discharge pipe, and the two groups of air outlets are symmetrical about the filter bin.
[0018] By adopting the above technical solution, the two groups of discharge pipes improve the feeding efficiency, and the two groups of air blowing ports increase the drying speed of tungsten powder.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] 1. The heating wire on the stirring rod preheats the tungsten powder, and the heating fan is started to heat the air and transport it through the connecting pipe. The hot air heats and dries the tungsten powder in the filter bin through the air outlet. The hot air and the stirring rod drive the tungsten powder to turn over, so that the tungsten powder is fully heated and dried, improving the drying efficiency.
[0021] 2. The tungsten powder is filtered through the filter bin to improve the accuracy of the tungsten powder after processing. The spiral conveying rod rotates to convey the tungsten powder inside the shell to avoid the loss of tungsten powder caused by mixing tungsten powder with air. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.
[0024] Figure 3 It is a rear view structural schematic diagram of the utility model.
[0025] Figure 4 It is a schematic diagram of the local structure of the utility model.
[0026] In the figure: 1. feed port; 2. rotating motor; 3. housing; 4. valve; 5. filter; 6. pressure gauge; 7. connecting pipe; 8. air outlet; 9. filter bin; 10. stirring rod; 11. stirring rod; 12. supporting leg; 13. discharge pipe; 14. discharge pipe; 15. control valve; 16. heating fan; 17. screw conveying rod; 18. solenoid valve; 19. discharge port; 20. rotating motor. DETAILED DESCRIPTION
[0027] 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.
[0028] The utility model provides a technical solution: a preheating tungsten powder dryer, including a housing 3, a rotating motor 2, and a filter bin 9. Figure 1 , Figure 2 , Figure 3A rotating motor 2 is installed on the shell 3, and a stirring rod 11 is fastened to the output end of the rotating motor 2. The stirring rod 11 extends to the inside of the filter bin 9 and is installed with a stirring rod 10. The stirring rod 10 is provided with teeth, and a heating wire is provided inside the stirring rod 10. A heating fan 16 is installed on one side of the shell 3. Both sides of the heating fan 16 are connected with connecting pipes 7. One end of the connecting pipe 7 extends to the inside of the shell 3 and is connected with an air port 8. The two groups of air ports 8 are symmetrical with the filter bin 9. A filter 5 is provided on the top of the shell 3, and a valve 4 is provided on the filter 5. A pressure gauge 6 is installed on one side of the shell 3. The filtered tungsten powder enters the inside of the shell 3, and the pressure inside the shell 3 is measured by the pressure gauge 6. Test, when the pressure is high, open the valve 4 to filter the hot air through the filter 5 to prevent the tungsten powder from being scattered in the air. The bottom of the shell 3 is installed with a supporting leg 12, and the shell 3 is provided with a feed port 1. The bottom end of the feed port 1 extends to the inside of the filter bin 9. The tungsten powder enters the filter bin 9 in the shell 3 through the feed port 1, and the rotating motor 2 is started to drive the stirring rod 10 on the stirring rod 11 to rotate. The heating wire on the stirring rod 10 preheats the tungsten powder. The heating fan 16 is started to heat the air and transport it through the connecting pipe 7. The hot air heats and dries the tungsten powder in the filter bin 9 through the blowing port 8. The hot air and the stirring rod 10 drive the tungsten powder to turn over, so that the tungsten powder is fully heated and dried. The tungsten powder is filtered through the filter bin 9 to improve the accuracy of the tungsten powder after treatment.
[0029] See also Figure 1 , Figure 2 , Figure 4 A discharge pipe 13 is provided at the bottom of the shell 3, and a rotating motor 20 is installed at the bottom of the discharge pipe 13. The output end of the rotating motor 20 is fastened with a spiral conveying rod 17. A discharge port 19 is provided on one side of the discharge pipe 13, and a solenoid valve 18 is provided on the discharge port 19. A discharge pipe 14 is connected to the bottom of the filter bin 9, and one end of the discharge pipe 14 extends to the bottom of the shell 3 and is installed with a control valve 15. The unfiltered tungsten powder is discharged through the discharge pipe 14 by opening the control valve 15. The two groups of the discharge pipes 13 are symmetrical with the discharge pipe 14. The rotating motor 20 is started to drive the spiral conveying rod 17 to rotate, and the tungsten powder inside the shell 3 is transported. The solenoid valve 18 is opened to discharge through the discharge port 19, so that the tungsten powder is evenly transported.
[0030] Working principle: the tungsten powder is introduced into the filter bin 9 in the shell 3 through the feed port 1, the rotating motor 2 is started to drive the stirring rod 10 on the stirring rod 11 to rotate, the heating wire on the stirring rod 10 preheats the tungsten powder, the heating fan 16 is started to heat the air and transport it through the connecting pipe 7, the hot air heats and dries the tungsten powder in the filter bin 9 through the blowing port 8, the hot air and the stirring rod 10 drive the tungsten powder to turn over, so that the tungsten powder is fully heated and dried, the tungsten powder is filtered through the filter bin 9, and the filtered tungsten powder enters the interior of the shell 3, and the pressure test of the interior of the shell 3 is performed through the pressure gauge 6. When the pressure is high, the valve 4 is opened to filter the hot air through the filter 5 to prevent the tungsten powder from being scattered into the air, the rotating motor 20 is started to drive the spiral conveying rod 17 to rotate, and the tungsten powder inside the shell 3 is transported, the solenoid valve 18 is opened to discharge it through the discharge port 19, and the unfiltered tungsten powder is discharged through the discharge pipe 14 by opening the control valve 15.
[0031] 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 preheating tungsten powder dryer, comprising a housing (3), a rotating motor (2), and a filter bin (9), characterized in that: A rotating motor (2) is installed on the shell (3), and the output end of the rotating motor (2) is tightly connected to a stirring rod (11), and the stirring rod (11) extends to the inside of the filter bin (9) and is installed with a stirring rod (10). A heating fan (16) is installed on one side of the shell (3), and both sides of the heating fan (16) are connected to connecting pipes (7), and one end of the connecting pipe (7) extends to the inside of the shell (3) and is connected to an air port (8). A discharge pipe (13) is provided at the bottom of the shell (3), and a rotating motor (20) is installed at the bottom of the discharge pipe (13). The output end of the rotating motor (20) is tightly connected to a spiral conveying rod (17), and a discharge port (19) is provided on one side of the discharge pipe (13), and a solenoid valve (18) is provided on the discharge port (19).
2. The preheating tungsten powder dryer according to claim 1, characterized in that: The bottom of the filter bin (9) is connected to a discharge pipe (14), and one end of the discharge pipe (14) extends to the bottom of the housing (3) and is equipped with a control valve (15).
3. The preheating tungsten powder dryer according to claim 1 is characterized in that: A filter (5) is arranged on the top of the housing (3), and a valve (4) is arranged on the filter (5).
4. The preheating tungsten powder dryer according to claim 1, characterized in that: The shell (3) is provided with a feed inlet (1), and the bottom end of the feed inlet (1) extends to the interior of the filter bin (9).
5. The preheating tungsten powder dryer according to claim 1 is characterized in that: The stirring rod (10) is provided with teeth, and a heating wire is provided inside the stirring rod (10).
6. The preheating tungsten powder dryer according to claim 1, characterized in that: A pressure gauge (6) is installed on one side of the shell (3), and a supporting leg (12) is installed on the bottom of the shell (3).
7. The preheating tungsten powder dryer according to claim 1 is characterized in that: The two groups of discharge pipes (13) are symmetrical about the discharge pipe (14), and the two groups of air blowing ports (8) are symmetrical about the filter bin (9).