Equipment for efficiently drying expanded microspheres by using microwave technology
Through microwave technology and special equipment structure, the problems of slow drying speed and large energy consumption are solved, and the effect of efficient drying of expanded microspheres is achieved, while protecting the microsphere structure.
Patent Information
- Application Number
- CN202421977366.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing drying methods have slow drying speed, consume a lot of energy, and are prone to destroy the microstructure of the expanded microspheres.
Microwave technology is used to combine specific equipment structures, including silos, transportation pipes, screws, discharge components, microwave boxes, etc., to achieve efficient drying through microwave heating, and use screws to crush and conveyor belts to disperse the filter cake to avoid structural damage.
It improves drying efficiency, reduces energy consumption, and protects the microstructure integrity of the expanded microspheres.
Smart Images

Figure CN223243242U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-quality expanded microsphere preparation, in particular to a device for efficiently drying expanded microspheres using microwave technology. Background Art
[0002] High-quality expanded microspheres are composed of a thermoplastic polymer shell and an enclosed alkane gas. Commonly used drying equipment in the industry include box dryers, fluidized bed dryers, spray dryers, rotary flash dryers, drum dryers, vacuum dryers, infrared dryers, vacuum freeze dryers, etc. Expanded microspheres are composed of a thermoplastic polymer shell and an enclosed liquid alkane gas. They are typically 10 to 50 microns in diameter and have a true density of approximately 1000 to 1300 kg / m 3 At room temperature, the alkane gas inside the microspheres exists stably. When heated, the shell material softens and the internal gas pressure rises, causing the volume of the microspheres to expand rapidly, reaching 80 to 100 times the initial volume, and the density can be reduced to 30kg / m 3 After cooling, the shell hardens again, and the volume remains expanded and is not easy to collapse, making it an ideal lightweight filler and foaming agent, with a wide range of applications and functions in the fields of construction and chemical industry.
[0003] However, the above drying method has a slow drying speed, consumes a lot of energy, and easily causes the microstructure of the microspheres to be destroyed during the drying process. Utility Model Content
[0004] The purpose of the utility model is to provide a device for efficiently drying expanded microspheres using microwave technology, which solves the problems of existing drying methods, such as slow drying speed, high energy consumption, and easy destruction of the microstructure of the microspheres during the drying process.
[0005] To achieve the above-mentioned objectives, the utility model provides an apparatus for efficiently drying expanded microspheres using microwave technology, comprising a hopper, a transport pipe, a first motor, a screw and a discharging assembly, wherein the hopper is fixedly connected to the transport pipe and is located above the transport pipe, the first motor is fixedly connected to the transport pipe and is located on one side of the transport pipe, the screw is fixedly connected to the output end of the first motor and is located inside the transport pipe, the discharging assembly is arranged at an end of the transport pipe away from the first motor, the discharging assembly comprises a discharging pipe, a rotating disk, a circular disk, a second motor and a circular tube, the discharging pipe is fixedly connected to the transport pipe and is located below the transport pipe, the circular disk is arranged below the discharging pipe, the second motor is fixedly connected to the circular disk and is located below the circular disk, the rotating disk is fixedly connected to the output end of the second motor and is located above the circular disk, the circular tube is fixedly connected to the circular disk and is located below the circular disk, and a plurality of circular holes are evenly arranged on the surface of the rotating disk.
[0006] Among them, the equipment for efficiently drying expanded microspheres using microwave technology also includes a transportation component. The transportation component includes two rotating rollers, a conveyor belt and two baffles. The two rotating rollers are rotatably connected to the two baffles and are located between the two baffles. The conveyor belt is covered on the outside of the two rotating rollers.
[0007] The device for efficiently drying expanded microspheres using microwave technology further comprises a microwave box, which is fixedly connected to the two baffles and is located above the conveyor belt.
[0008] Wherein, the circular hole is adapted to the discharge pipe and the circular tube, and the circular tube is arranged above the conveyor belt.
[0009] Among them, the equipment for efficiently drying expanded microspheres using microwave technology also includes a funnel, a limiting plate and a storage box. The funnel is arranged at one end of the conveyor belt, the limiting plate is fixedly connected to the funnel and is located on one side of the conveyor belt, and the storage box is arranged below the funnel.
[0010] The utility model discloses an apparatus for efficiently drying expanded microspheres using microwave technology, wherein the discharge pipe is fixedly connected to the transport pipe and is located below the transport pipe, the disc is arranged below the discharge pipe, the second motor is fixedly connected to the disc and is located below the disc, the rotating disc is fixedly connected to the output end of the second motor and is located above the disc, the circular tube is fixedly connected to the disc and is located below the disc, a plurality of circular holes are evenly arranged on the surface of the rotating disc, filter cakes are placed into the hopper, the first motor drives the screw to rotate, the screw transports and crushes the filter cakes, the second motor drives the rotating disc to rotate, and the filter cakes are evenly transported to the inside of the circular holes in the discharge pipe, and when the rotating disc rotates, the filter cakes fall through the circular tube, so that the filter cakes are dispersed during drying, thereby improving the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0012] Figure 1 The utility model is a structural schematic diagram of the equipment for efficiently drying expanded microspheres using microwave technology.
[0013] Figure 2 This utility model Figure 1 A magnified view of the local structure at point A.
[0014] Figure 3 It is a side view of the device of the utility model for efficiently drying expanded microspheres using microwave technology.
[0015] Figure 4 This utility model Figure 3 BB line structural cross-sectional view.
[0016] 1- silo, 2- transport pipe, 3- first motor, 4- screw, 5- funnel, 6- limit plate, 7- storage box, 8- microwave box, 9- discharge pipe, 10- rotating disk, 11- circular disk, 12- second motor, 13- circular tube, 14- rotating roller, 15- conveyor belt, 16- baffle, 17- circular hole. DETAILED DESCRIPTION
[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.
[0018] See also Figures 1 to 4 ,in, Figure 1 This is a schematic diagram of the structure of the device for efficiently drying expanded microspheres using microwave technology. Figure 2 This utility model Figure 1 A magnified view of the local structure at point A. Figure 3 This is a side view of the device for efficiently drying expanded microspheres using microwave technology. Figure 4 This utility model Figure 3 BB line structural cross-sectional view.
[0019] The utility model provides an apparatus for efficiently drying expanded microspheres using microwave technology, comprising a silo 1, a transport pipe 2, a first motor 3, a screw 4, a transport assembly, a funnel 5, a limit plate 6, a storage box 7, a microwave box 8 and a discharge assembly, wherein the discharge assembly comprises a discharge pipe 9, a rotating disk 10, a circular disk 11, a second motor 12 and a circular pipe 13, and the transport assembly comprises two rotating rollers 14, a conveyor belt 15 and two baffles 16. The above-mentioned solution solves the problems of the existing drying method, which is slow in drying speed, consumes a lot of energy, and easily causes the microstructure of the microspheres to be damaged during the drying process.
[0020] According to this specific embodiment, the silo 1 is fixedly connected to the transport pipe 2 and is located above the transport pipe 2. The first motor 3 is fixedly connected to the transport pipe 2 and is located on one side of the transport pipe 2. The screw 4 is fixedly connected to the output end of the first motor 3 and is located inside the transport pipe 2. The discharge pipe 9 is fixedly connected to the transport pipe 2 and is located below the transport pipe 2. The disc 11 is arranged below the discharge pipe 9. The second motor 12 is fixedly connected to the disc 11 and is located below the disc 11. The rotating disc 10 is connected to the output end of the second motor 12. The outlet end is fixedly connected and located above the disc 11. The circular tube 13 is fixedly connected to the disc 11 and located below the disc 11. A number of circular holes 17 are evenly provided on the surface of the rotating disc 10. The filter cake is placed in the silo 1. The first motor 3 drives the screw 4 to rotate. The screw 4 transports and crushes the filter cake. The second motor 12 drives the rotating disc 10 to rotate. The filter cake is evenly transported to the inside of the circular hole 17 in the discharge pipe 9. When the rotating disc 10 rotates, the filter cake falls through the circular tube 13, so that the filter cake is dispersed during drying, thereby improving the drying efficiency.
[0021] The two rotating rollers 14 are rotatably connected to the two baffles 16 and are located between the two baffles 16. The conveyor belt 15 is wrapped around the outside of the two rotating rollers 14. The rotating rollers 14 are driven to rotate by the driving element, so that the conveyor belt 15 rotates accordingly to transport the filter cake. The baffles 16 block both sides of the conveyor belt 15 to prevent the filter cake from falling.
[0022] Secondly, the microwave box 8 is fixedly connected to the two baffles 16 and is located above the conveyor belt 15. During the transportation of the filter cake, the microwave box 8 dries the filter cake.
[0023] Then, the circular hole 17 is adapted to the discharge pipe 9 and the circular tube 13. The circular tube 13 is arranged above the conveyor belt 15. The filter cake falls into the circular hole 17 through the discharge pipe 9. The second motor 12 drives the rotating disk 10 to rotate, so that the filter cake moves accordingly and falls above the conveyor belt 15 through the circular tube 13.
[0024] In addition, the funnel 5 is arranged at one end of the conveyor belt 15, the limiting plate 6 is fixedly connected to the funnel 5 and is located on one side of the conveyor belt 15, and the storage box 7 is arranged below the funnel 5. The limiting plate 6 blocks the filter cake so that the filter cake falls into the storage box 7 through the funnel 5.
[0025] When using the present utility model, the filter cake is placed in the silo 1, the first motor 3 drives the screw 4 to rotate, the screw 4 transports and crushes the filter cake, and the filter cake falls into the circular hole 17 through the discharge pipe 9, the second motor 12 drives the rotating disk 10 to rotate, so that the filter cake moves accordingly and falls above the conveyor belt 15 through the circular tube 13, and the driving element drives the rotating roller 14 to rotate, so that the conveyor belt 15 rotates accordingly to transport the filter cake, the baffle 16 blocks both sides of the conveyor belt 15 to prevent the filter cake from falling, the microwave box 8 dries the filter cake, and the limit plate 6 blocks the filter cake so that the filter cake falls into the storage box 7 through the funnel 5.
[0026] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.
Claims
1. A device for efficiently drying expanded microspheres using microwave technology, characterized in that: The invention comprises a silo, a transport pipe, a first motor, a screw and a discharging assembly, wherein the silo is fixedly connected to the transport pipe and is located above the transport pipe, the first motor is fixedly connected to the transport pipe and is located on one side of the transport pipe, the screw is fixedly connected to the output end of the first motor and is located inside the transport pipe, and the discharging assembly is arranged at the end of the transport pipe away from the first motor; The discharging assembly includes a discharging pipe, a rotating disk, a circular disc, a second motor and a circular tube. The discharging pipe is fixedly connected to the transport pipe and is located below the transport pipe. The circular disc is arranged below the discharging pipe. The second motor is fixedly connected to the circular disc and is located below the circular disc. The rotating disk is fixedly connected to the output end of the second motor and is located above the circular disc. The circular tube is fixedly connected to the circular disc and is located below the circular disc. A number of circular holes are evenly arranged on the surface of the rotating disk.
2. The device for efficiently drying expanded microspheres using microwave technology as claimed in claim 1, characterized in that: The device for efficiently drying expanded microspheres using microwave technology also includes a transport component, which includes two rotating rollers, a conveyor belt and two baffles. The two rotating rollers are rotatably connected to the two baffles and are located between the two baffles. The conveyor belt is wrapped around the outside of the two rotating rollers.
3. The device for efficiently drying expanded microspheres using microwave technology as claimed in claim 2, characterized in that: The device for efficiently drying expanded microspheres using microwave technology also includes a microwave box, which is fixedly connected to the two baffles and is located above the conveyor belt.
4. The device for efficiently drying expanded microspheres using microwave technology as claimed in claim 3, characterized in that: The circular hole is adapted to the discharge pipe and the circular tube, and the circular tube is arranged above the conveyor belt.
5. The device for efficiently drying expanded microspheres using microwave technology as claimed in claim 4, characterized in that: The equipment for efficiently drying expanded microspheres using microwave technology also includes a funnel, a limiting plate and a storage box. The funnel is arranged at one end of the conveyor belt, the limiting plate is fixedly connected to the funnel and is located on one side of the conveyor belt, and the storage box is arranged below the funnel.