CN218554061U - T-shaped single-mode microwave chemical reaction unit - Google Patents
T-shaped single-mode microwave chemical reaction unit Download PDFInfo
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- CN218554061U CN218554061U CN202223217957.0U CN202223217957U CN218554061U CN 218554061 U CN218554061 U CN 218554061U CN 202223217957 U CN202223217957 U CN 202223217957U CN 218554061 U CN218554061 U CN 218554061U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000001629 suppression Effects 0.000 claims abstract description 25
- 230000005284 excitation Effects 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000005672 electromagnetic field Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000012780 transparent material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model provides a T-shaped single-mode microwave chemical reaction unit, which structurally comprises a T-shaped waveguide power divider (1), a microwave excitation cavity (2), a microwave magnetron (3), a microwave suppression tube (4) and a liquid reaction tube (5); the liquid reaction tube (5) passes through the central position of the T-shaped waveguide power divider (1) through the microwave suppression tube (4); the liquid reaction tube (5) is made of wave-transparent material; the waveguide power divider with the T-shaped design adopts a single-mode microwave source, a high-power density area can be formed in the center of the waveguide power divider, the central design of the magnetron can ensure that the microwave field mode in the waveguide power divider is single, the power density distribution is uniform and consistent, liquid chemical reaction can be efficiently heated or catalyzed, and chemical products with good product consistency can be obtained; the T-shaped single-mode microwave chemical reaction unit has the advantages of simple structure, strong universality, low manufacturing cost and high safety, and is favorable for popularization of the microwave chemical reactor in the industrial field.
Description
Technical Field
The utility model belongs to the technical field of microwave reaction unit, specifically be a T type single mode microwave chemical reaction unit.
Background
The microwave is an electromagnetic wave with the frequency of 300MHz to 300GHz, and has the characteristics of selective heating, simultaneous heating inside and outside, high heating speed and the like, different from the characteristics of heating from outside to inside in the traditional heating mode such as heat conduction, heat radiation and the like, and the microwave is heated in the modes of dipole rotation and ion conduction; at first, microwave is applied to heating in the chemical reaction process, and more research experiments prove that after microwave acts on most of chemical reactions, not only can medium heating be realized, but also the chemical reaction rate can be greatly improved, and the microwave heating device has a series of characteristics of shortening the reaction time, reducing the reaction energy consumption and the like which are obviously superior to the traditional reaction mode, and has wide application prospect.
At present, the household microwave oven is already well-developed and widely used for food heating, and there are many small microwave experimental equipments used in laboratory research, but there is still a lack of a relatively well-developed general microwave chemical reactor in the industrial aspect, and the existing microwave heating equipments have the following problems:
1. the microwave cavities are various in shape, so that a plurality of microwave modes and poor stability are caused in the reaction cavity, and uniform heating or catalytic effects are difficult to generate on batch fluid;
2. the reaction equipment is unreasonable in design, low in universality and poor in adaptability;
3. the reaction equipment has complex structure and high manufacturing cost;
4. microwave reflection and radiation leakage prevention are not good, and potential safety hazards exist in use.
Disclosure of Invention
In order to solve the above problem, the utility model provides a T type single mode microwave chemical reaction unit, T type single mode microwave chemical reaction unit simple structure, the commonality is strong, low in manufacturing cost, the microwave mode is single in the T type waveguide merit divides the ware cavity, central area power density is high, stability is good, can realize even unanimous heating or catalytic effect, obtains the chemical products that the product is unanimous good, the parallelly connected use of a plurality of reaction units can be applied to large batch chemical production.
In order to achieve the above object, the present invention provides a T-type single-mode microwave chemical reaction unit, which is characterized in that it comprises the following structure: the microwave power divider comprises a T-shaped waveguide power divider, a microwave excitation cavity, a microwave magnetron, a microwave suppression tube and a liquid reaction tube;
the microwave excitation cavity is arranged at the center of the T-shaped waveguide power divider, microwave suppression tubes are arranged at the two horizontal ends of the T-shaped waveguide power divider, and the liquid reaction tube passes through the microwave suppression tubes and penetrates through the microwave excitation cavity.
Further, the size of the inner cavity of the T-shaped waveguide power divider is standard rectangular waveguide BJ9, BJ22 or BJ26, a high-power-density electromagnetic field region can be formed in the central region by the design of the T-shaped waveguide power divider, the magnetron is as long as the two horizontal ends of the T-shaped waveguide power divider, the microwave field mode in the T-shaped waveguide power divider is single, the power density distribution is uniform and consistent, and the liquid chemical reaction can be efficiently heated or catalyzed.
Furthermore, the microwave suppression tube is arranged at the center of the end faces of the two horizontal ends of the T-shaped waveguide power divider, the microwave suppression tube and the T-shaped waveguide power divider are connected through a flange or directly welded together, and the microwave suppression tube can prevent microwaves from leaking out of the cavity of the T-shaped waveguide power divider.
Furthermore, the liquid reaction tube is made of one of glass, ceramic and plastic and has microwave transmission characteristic; the T-shaped waveguide power divider, the microwave excitation cavity and the microwave suppression tube are all made of conductor materials;
optionally, the liquid reaction tube is made of quartz, high-temperature-resistant glass, corundum, ceramic, polytetrafluoroethylene or polypropylene;
optionally, the T-shaped waveguide power divider, the microwave excitation cavity, and the microwave suppression tube are made of aluminum, stainless steel, or copper, or different materials are used for different parts.
Furthermore, the liquid reaction tube keeps a certain distance from the peripheral inner walls of the T-shaped waveguide power divider, so that uniform microwave transmission and uniform heating of liquid in the liquid reaction tube are facilitated.
Furthermore, the working frequency of the microwave magnetron is 915MHz or 2450MHz.
The beneficial effects of the utility model are that: the power density of the central area of the cavity of the T-shaped waveguide power divider is high, a microwave field with good stability and uniformity can be formed in the T-shaped waveguide power divider by utilizing a single-mode microwave source, and a product with good uniformity can be obtained when the single-mode microwave source is used for chemical industrial batch production; the T-shaped single-mode microwave chemical reaction unit has simple structure, strong universality and low manufacturing cost, and is beneficial to popularization of the microwave chemical reactor in the industrial field; the T-shaped single-mode microwave chemical reaction unit is especially designed for preventing microwave leakage, and the safety of the use process is higher.
Description of the drawings:
FIG. 1 is a schematic view of a structure of a T-shaped single-mode microwave chemical reaction unit in a front view direction (a microwave source is arranged on a rectangular narrow surface of a T-shaped waveguide power divider)
FIG. 2 is a schematic diagram showing the side view of a T-shaped single-mode microwave chemical reaction unit (microwave source is installed on the rectangular narrow surface of a T-shaped waveguide power divider)
FIG. 3 is a schematic view of the structure of the T-shaped single-mode microwave chemical reaction unit in the front view direction (microwave source is installed on the rectangular broad surface of the T-shaped waveguide power divider)
FIG. 4 is a schematic diagram showing the side view of a T-shaped single-mode microwave chemical reaction unit (microwave source is installed on the rectangular broad surface of a T-shaped waveguide power divider)
In the figure: 1. a T-shaped waveguide power divider; 2. a microwave excitation cavity; 3. a microwave magnetron; 4. a microwave suppression tube; 5. a liquid reaction tube.
The specific implementation mode is as follows:
the following embodiments are only a part of the embodiments of the present invention, but not all of the embodiments, and the terms describing the relative positions such as horizontal, vertical, etc. related to the orientation may vary with the arrangement of the components.
Example (b): the present embodiment provides a T-type single-mode microwave chemical reaction unit, see fig. 1 and fig. 2, where fig. 1 is a schematic structural diagram of a T-type single-mode microwave chemical reaction unit in a front view direction (a microwave source is installed on a rectangular narrow surface of a T-type waveguide power divider), fig. 2 is a schematic structural diagram of a T-type single-mode microwave chemical reaction unit in a side view direction (a microwave source is installed on a rectangular narrow surface of a T-type waveguide power divider), fig. 3 is a schematic structural diagram of a T-type single-mode microwave chemical reaction unit in a front view direction (a microwave source is installed on a rectangular wide surface of a T-type waveguide power divider), and fig. 4 is a schematic structural diagram of a T-type single-mode microwave chemical reaction unit in a side view direction (a microwave source is installed on a rectangular wide surface of a T-type waveguide power divider).
The T-shaped single-mode microwave chemical reaction unit comprises: the microwave power divider comprises a T-shaped waveguide power divider 1, a microwave excitation cavity 2, a microwave magnetron 3, a microwave suppression tube 4 and a liquid reaction tube 5;
the microwave magnetron 3 is installed at one end of the symmetrical axis of the T-shaped waveguide power divider 1, the microwave suppression tubes 4 are arranged at the two horizontal ends of the T-shaped waveguide power divider 1, and the liquid reaction tube 5 passes through the microwave excitation cavity 1 through the microwave suppression tubes 4.
The size of the inner cavity of the T-shaped waveguide power divider is a standard rectangular waveguide BJ26, the design of the T-shaped waveguide power divider can form a high-power density region in the central region, the magnetron has equal length with the two horizontal ends of the power divider, the microwave field mode in the cavity of the power divider is single, the power density distribution is uniform and consistent, and the liquid chemical reaction can be efficiently heated or catalyzed;
the microwave suppression tube 4 is arranged at the center of the end faces of the two horizontal ends of the T-shaped waveguide power divider 1, the microwave suppression tube 4 and the T-shaped waveguide power divider 1 are connected together through a flange, and the microwave suppression tube can prevent microwave from leaking out of the microwave excitation cavity.
The liquid reaction tube 5 is made of quartz, has microwave permeability and high hardness, cannot pollute chemical substances passing through the liquid reaction tube, and can be made of polytetrafluoroethylene or polypropylene when the reaction liquid is alkaline;
the T-shaped waveguide power divider 1, the microwave excitation cavity 2 and the microwave suppression tube 4 are all made of cast aluminum; the liquid reaction tube 5 keeps a certain distance from the peripheral inner wall of the T-shaped waveguide power divider 1, so that uniform microwave transmission and uniform heating of liquid in the liquid reaction tube 5 are facilitated; the microwave magnetron 3 is a 915MHz high-power magnetron.
Claims (6)
1. A T-shaped single-mode microwave chemical reaction unit is characterized by comprising the following structures: the microwave power divider comprises a T-shaped waveguide power divider (1), a microwave excitation cavity (2), a microwave magnetron (3), a microwave suppression tube (4) and a liquid reaction tube (5); the microwave excitation cavity (2) is arranged at the center of the T-shaped waveguide power divider (1), microwave suppression tubes (4) are arranged at the two horizontal ends of the T-shaped waveguide power divider (1), and the liquid reaction tube (5) penetrates through the T-shaped waveguide power divider (1) through the microwave suppression tubes (4).
2. The T-type single-mode microwave chemical reaction unit according to claim 1, wherein the size of the inner cavity of the T-type waveguide power divider is a standard rectangular waveguide BJ9, BJ22 or BJ26, the T-type waveguide power divider is designed to form a high-power-density electromagnetic field region in the central region, the magnetron has equal length from the two horizontal ends of the T-type waveguide power divider, the microwave field mode in the T-type waveguide power divider is single, the power density distribution is uniform, and the liquid chemical reaction can be efficiently heated or catalyzed.
3. The T-shaped single-mode microwave chemical reaction unit according to claim 1, characterized in that the microwave suppression tube (4) is arranged at the center of the end faces at the two horizontal ends of the T-shaped waveguide power divider (1), the microwave suppression tube (4) and the T-shaped waveguide power divider (1) are connected by flanges or directly welded together, and the microwave suppression tube can prevent the microwave from leaking out of the T-shaped waveguide power divider.
4. The T-type single-mode microwave chemical reaction unit according to claim 1, wherein the liquid reaction tube (5) is made of one of glass, ceramic and plastic, and has microwave transmission characteristics; the T-shaped waveguide power divider (1), the microwave excitation cavity (2) and the microwave suppression tube (4) are all made of conductor materials.
5. The T-shaped single-mode microwave chemical reaction unit according to claim 1, characterized in that the liquid reaction tube (5) keeps a certain distance from the peripheral inner wall of the T-shaped waveguide power divider (1), so as to facilitate uniform microwave transmission and uniform heating of the liquid inside the liquid reaction tube (5).
6. A T-type single mode microwave chemical reaction unit according to claim 1, characterized in that the operating frequency of the microwave magnetron (3) is 915MHz or 2450MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223217957.0U CN218554061U (en) | 2022-12-02 | 2022-12-02 | T-shaped single-mode microwave chemical reaction unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223217957.0U CN218554061U (en) | 2022-12-02 | 2022-12-02 | T-shaped single-mode microwave chemical reaction unit |
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| Publication Number | Publication Date |
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| CN218554061U true CN218554061U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223217957.0U Active CN218554061U (en) | 2022-12-02 | 2022-12-02 | T-shaped single-mode microwave chemical reaction unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686598A (en) * | 2018-07-14 | 2018-10-23 | 深圳市星聚工业自动化有限公司 | One kind being longitudinally arranged High-Power Microwave single mode reactor |
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2022
- 2022-12-02 CN CN202223217957.0U patent/CN218554061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686598A (en) * | 2018-07-14 | 2018-10-23 | 深圳市星聚工业自动化有限公司 | One kind being longitudinally arranged High-Power Microwave single mode reactor |
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