CN221268133U - Radio frequency-based continuous flow device for improving heating uniformity of liquid - Google Patents
Radio frequency-based continuous flow device for improving heating uniformity of liquid Download PDFInfo
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- CN221268133U CN221268133U CN202322205425.3U CN202322205425U CN221268133U CN 221268133 U CN221268133 U CN 221268133U CN 202322205425 U CN202322205425 U CN 202322205425U CN 221268133 U CN221268133 U CN 221268133U
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- continuous flow
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000011160 research Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 abstract description 7
- 230000001954 sterilising effect Effects 0.000 abstract description 7
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 6
- 102000004190 Enzymes Human genes 0.000 abstract description 4
- 108090000790 Enzymes Proteins 0.000 abstract description 4
- 230000009849 deactivation Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000006193 liquid solution Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 32
- 230000000694 effects Effects 0.000 description 6
- 239000011344 liquid material Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model relates to the technical field of radio frequency treatment solutions, in particular to a radio frequency-based continuous flow device for improving the heating uniformity of liquid, which comprises a motor, a screw propeller, a peristaltic pump, a reaction cavity and the like. The continuous treatment is favorable for promoting the development of industrial treatment, the heating uniformity of the liquid solution and the high-viscosity solution in the radio frequency field can be improved by stirring by the screw, and the subsequent intensive researches of solution sterilization, extraction, enzyme deactivation and modification in the radio frequency field and the industrialized large-scale application can be facilitated by improving the uniformity research.
Description
Technical Field
The utility model relates to the technical field of radio frequency treatment solutions, in particular to a radio frequency-based continuous flow device for improving liquid heating uniformity.
Background
The advantages of large penetration energy depth, integral heating, no chemical residue and the like of radio frequency heating are widely studied in agricultural product processing, such as drying, insect killing, sterilization, enzyme deactivation, extraction and the like, and at present, the greatest problem of the radio frequency heating material is still the phenomenon of uneven heating. In the research of solid materials, the heating uniformity of the materials is improved mainly by changing the position of the materials, the shape of a container and the state of a polar plate; the research on heating liquid materials in radio frequency shows that the liquid sterilization, enzyme deactivation, extraction and modification of radio frequency have better effect and less time than the conventional method, but the liquid materials are heated unevenly in radio frequency, hot spots are easy to form at corners and wall surfaces of a container, cold spots are formed in areas where the liquid materials cannot be radiated, the hot spots can cause the property change of the materials, the extracts can be pyrolyzed during extraction, the sterilization effect at the cold spots is poor, the extraction yield is reduced, and the treatment effect of the materials is seriously affected, so that the intensive research is needed in the aspect of improving the liquid heating uniformity of the radio frequency.
When the liquid material is processed by the radio frequency, when solid particles and the viscosity are larger in the solution, the liquid material and the liquid can generate more uneven heating phenomena due to different dielectric constants, unobvious viscosity convection phenomenon and lower heat transfer, and the application of sterilization, enzyme deactivation, extraction and the like is seriously influenced.
Disclosure of utility model
The utility model aims to make a basic research for realizing industrialization by placing a radio frequency treatment liquid material in a continuous flowing state, and also relates to treatment of a liquid-liquid mixture and a solid-liquid mixture, wherein different positions of different forms of materials for different time are changed in a stirring mode, so that the materials cannot be heated at a certain point all the time, the heat conduction of a solution is increased while the heating of the materials is improved, the overall temperature of the solution is more uniform, and the effects of sterilizing, extracting and the like of the solution are effectively improved. A radio frequency based continuous flow device for improving the uniformity of liquid heating is provided.
The technical principle of the utility model is as follows:
A continuous flow device for improving liquid heating uniformity based on radio frequency is characterized in that a material solution is placed in a material box, stirring and mixing are carried out at a certain rotating speed, the solution is pumped into a reaction cavity by a peristaltic pump according to a certain flow speed, a radio frequency generator and a propeller power supply are turned on for processing after the solution reaches a certain height, the whole device is in a continuous working state, an optical fiber is used for measuring temperature at an outlet, the temperature does not reach a target temperature, the solution is circulated into the material box, the circulation loop is closed when the temperature reaches a set temperature, and the material flows into a collecting box for post-processing.
The technical scheme of the utility model is as follows:
The utility model provides a continuous flow device based on improvement liquid heating homogeneity of radio frequency, includes reaction chamber and servo motor, the reaction chamber is connected with servo motor in the horizontal direction, servo motor is by power, drive and 32 singlechip control rotational speed and turn to, servo motor connects the shaft coupling, the screw shaft is connected in shaft coupling and the reaction chamber, the screw shaft supports through the supporting seat, the screw shaft is supported by the bearing in the reaction chamber, the bearing is fixed by end cover, screw shaft and bearing frame, install helical blade on the screw shaft and stir. The left end of the reaction cavity is connected with a solution input pipeline, the solution input pipeline is provided with pressure by a peristaltic pump, the peristaltic pump is connected with a material box, and the material box is provided with a stirring device for mixing materials in different forms. The upper part of the reaction cavity is provided with an air pressure balance opening. The right end of the reaction cavity is connected with a solution output pipeline, the solution output pipeline is connected with a three-way joint, the three-way joint determines the switch of the three-way joint according to the temperature of the solution measured by the optical fiber, the temperature does not reach a set temperature, the solution enters the circulating pipe from the three-way joint and flows into the material box, the temperature reaches the set temperature, and the solution flows into the material collecting box from the three-way joint.
Further, the screw shaft is supported by a ceramic bearing.
Further, the screw shaft and the reaction cavity are sealed by a USH fluorine rubber lip-shaped sealing ring.
Further, a vent hole is formed above the reaction cavity, and the reaction cavity is arranged at the center of the polar plate of the radio frequency reactor.
Furthermore, the spiral blades on the spiral shaft can be replaced by blades with different shapes and sizes according to different research contents.
The utility model has the beneficial effects that:
The continuous flow device for improving the heating uniformity of the liquid based on the radio frequency has the following advantages: (1) The novel technology of radio frequency is utilized, so that the treatment effect is improved, and the energy consumed by the traditional hot water heating is saved; (2) The servo motor is adopted for driving, so that the rotating speed of the screw shaft can be accurately controlled, and errors caused by load changes can be avoided; (3) The propeller is used for stirring, so that the position of the material can be changed, the sinking or floating solid material can be mixed into the solution, the radio frequency heating temperature of the solution is more uniform, and the sterilization, extraction or modification effects are better; (4) The research of the continuous flow circulation system has more guiding significance on industrialization and is oriented to future industrialized development.
Drawings
FIG. 1 is a schematic illustration of a radio frequency based continuous flow apparatus for improving liquid heating uniformity;
FIG. 2 is a partial cross-sectional view of a reaction chamber.
In the figure, 1, a direct current power supply; 2. a servo motor; 3. a coupling; 4. a screw shaft; 5. a support base; 6. a reaction chamber; 7. a radio frequency generator; 8. an outflow conduit; 9. optical fiber temperature measurement; 10. a three-way pipe joint; 11. a material collection box; 12. a circulation pipe; 13. an input pipe; 14. a material box; 15. a stirrer; 16. a peristaltic pump; 17.32 singlechip; 18. driving; 19. an end cap; 20. a seal ring; 21. a ceramic bearing; 22. a bearing seat; a USH fluorine rubber lip seal ring; 24. helical blades.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1, the present utility model provides a continuous flow device for improving the uniformity of heating of a liquid based on radio frequency. Including reaction chamber 6 and servo motor 2, reaction chamber 6 horizontal direction fixedly connected with servo motor 2, servo motor 2 is by power 1, drive 18 and 32 singlechip 17 control rotational speed and turn to, and servo motor 2 connects shaft coupling 3, the screw shaft 4 is connected in shaft coupling 3 and the reaction chamber, and screw shaft 4 carries out the outside through supporting seat 5 to be supported, and screw shaft 4 is supported through ceramic bearing 21 in the intracavity, and ceramic bearing 21 is fixed by end cover 19, screw shaft 4 and bearing frame 22, seals through sealing washer 20 between end cover 19 and the bearing frame 22, and fixed helical blade 24 stirs on the screw shaft. The left end of the reaction cavity 6 is connected with a solution input pipeline 13, the solution input pipeline 13 is provided with pressure by a peristaltic pump 16, the peristaltic pump 16 is connected with a material box 14, and the material box 14 is provided with a stirring device 15 for mixing materials in different forms. The upper part of the reaction chamber 6 is provided with an air pressure balance opening. The right end of the reaction cavity 6 is connected with a solution output pipeline 8, the solution output pipeline 8 is connected with a three-way pipe joint 10, the three-way pipe joint 10 determines the switch of the three-way pipe joint according to the temperature of the solution measured by the optical fiber 9, the temperature does not reach the set temperature, the solution flows into a material box 14 from the three-way pipe joint 10 through a circulating pipeline 12, the temperature reaches the set temperature, and the solution flows into a material collecting box 11 from the three-way pipe joint 10.
As an embodiment of the present utility model, the ceramic bearing is used to support the screw shaft in the reaction chamber, so as to ensure that the bearing is not heated in the rf chamber.
As an embodiment of the utility model, the rotary seal between the reaction cavity and the screw shaft adopts a USH fluorine rubber lip seal ring for sealing, so that the solution is ensured not to leak out.
As an embodiment of the utility model, the upper part of the reaction cavity is provided with a vent hole for balancing the internal and external air pressure, so that the solution can flow continuously; the reaction cavity is arranged at the center of the polar plate of the radio frequency reactor, and radio frequency heating is adopted, so that the reaction cavity can be used for exploring the exploration of the uniformity of solution heating by continuous flow and mixing.
As one embodiment of the utility model, the spiral blade is formed by combining a plurality of blades, and can be used for different test materials with different shapes and sizes, and the spiral blade is convenient to replace and clean.
The specific use process of the utility model is as follows:
The method comprises the steps of installing a spiral blade 24 on a spiral shaft 4, sealing a solution by adopting lip-shaped sealing rings 23 at two ends, installing a bearing seat 22 on a reaction cavity 6 through threaded connection, fixing a ceramic bearing 21 and an end cover 19, connecting an input pipeline 13 and an output pipeline 8 on the reaction cavity 6, opening a peristaltic pump 16 for sealing inspection, ensuring that the reaction cavity 6 is arranged in a radio frequency generator 7 after sealing is good, placing test materials in a material box 14, fully stirring and mixing through a stirrer 15, opening the radio frequency generator 7 for preheating, inputting codes for designating steering and rotating speed into a 32 single chip microcomputer 17, temporarily closing a power supply 1 after detecting, opening the peristaltic pump 16, pumping the mixed solution into the reaction cavity 6, starting a radio frequency generator 7 after the mixed solution reaches a certain height, simultaneously opening the power supply 1 to enable the spiral shaft 4 to rotate, simultaneously, opening the spiral blade 24 for in-cavity mixing and stirring, heating the radio frequency, detecting the temperature of the solution in the output pipeline 8 through a tube joint 10 when the temperature of the solution is lower than a set temperature, introducing the test materials into the circulation pipeline 12, flowing into the material box 14 through the circulation pipeline 12, continuously pumping the solution into the peristaltic pump 6 through the three-way pipe joint 6 after the temperature is set up to the temperature of the peristaltic pump 6, and continuing to reach the set temperature after the peristaltic pump 6, and continuing to heat until the temperature reaches the set temperature, and the three-way joint is turned off when the temperature reaches the set temperature, and the peristaltic pump 11 is turned off, and the temperature is turned off. After the test was completed, peristaltic pump 16 was turned on and rinsed with high-speed tap water.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A radio frequency-based continuous flow device for improving liquid heating uniformity, characterized by: the reaction chamber (6) and the servo motor (2), the servo motor (2) is fixedly connected with the servo motor (2) in the horizontal direction of the reaction chamber (6), the servo motor (2) is controlled by a power supply (1), a drive (18) and a 32 single chip microcomputer (17) to rotate and steer, the servo motor (2) is connected with a coupler (3), the coupler (3) is connected with a screw shaft (4) in the reaction chamber, the screw shaft (4) is supported by a supporting seat (5), the screw shaft (4) is supported in the chamber by a ceramic bearing (21), the ceramic bearing (21) is fixed by an end cover (19), the screw shaft (4) and a bearing seat (22), the bearing seat (22) is fixed in the reaction chamber (6) through threaded connection, a sealing ring (20) is used for sealing, a screw blade (24) is fixed on the screw shaft (4) for stirring, the left end of the reaction chamber (6) is connected with a solution input pipeline (13), the solution input pipeline (13) is provided with pressure by a peristaltic pump (16), the peristaltic pump (16) is connected with a material box (14), the material box (14) is provided with stirring devices (15) for carrying out different openings, the reaction chamber (6) is provided with different air pressure openings, the material can be dismounted, the right end of the reaction cavity (6) is connected with a solution output pipeline (8), the solution output pipeline (8) is connected with a three-way pipe joint (10), the three-way pipe joint (10) determines a three-way switch according to the temperature of the solution measured by the optical fiber (9), the temperature does not reach the set temperature, the solution flows into a material box (14) from the three-way pipe joint (10) through a circulating pipeline (12), the temperature reaches the set temperature, and the solution flows into a material collecting box (11) from the three-way pipe joint (10).
2. A radio frequency based continuous flow device for improving uniformity of heating of a liquid according to claim 1, wherein: the screw shaft (4) is supported by a ceramic bearing (21).
3. A radio frequency based continuous flow device for improving uniformity of heating of a liquid according to claim 1, wherein: the screw shaft (4) and the reaction cavity (6) are dynamically sealed by a USH fluorine rubber lip-shaped sealing ring (23).
4. A radio frequency based continuous flow device for improving uniformity of heating of a liquid according to claim 1, wherein: the upper part of the reaction cavity (6) is provided with a vent hole, and the reaction cavity (6) is arranged at the center of a polar plate of the radio frequency reactor (7).
5. A radio frequency based continuous flow device for improving uniformity of heating of a liquid according to claim 1, wherein: the spiral blades (24) on the spiral shaft (4) can be replaced by blades with different shapes and sizes according to the research content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322205425.3U CN221268133U (en) | 2023-08-16 | 2023-08-16 | Radio frequency-based continuous flow device for improving heating uniformity of liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322205425.3U CN221268133U (en) | 2023-08-16 | 2023-08-16 | Radio frequency-based continuous flow device for improving heating uniformity of liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221268133U true CN221268133U (en) | 2024-07-05 |
Family
ID=91698487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322205425.3U Active CN221268133U (en) | 2023-08-16 | 2023-08-16 | Radio frequency-based continuous flow device for improving heating uniformity of liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221268133U (en) |
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2023
- 2023-08-16 CN CN202322205425.3U patent/CN221268133U/en active Active
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