CN211734294U - Photocatalytic reaction device for degrading peanut oil aflatoxin - Google Patents
Photocatalytic reaction device for degrading peanut oil aflatoxin Download PDFInfo
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- CN211734294U CN211734294U CN201921895812.1U CN201921895812U CN211734294U CN 211734294 U CN211734294 U CN 211734294U CN 201921895812 U CN201921895812 U CN 201921895812U CN 211734294 U CN211734294 U CN 211734294U
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Abstract
The utility model provides a photocatalytic reaction device for degrading peanut oil aflatoxin, which comprises a photocatalytic reactor and a circulating mechanism; the photocatalytic reactor comprises a reactor cavity, a heat dissipation mechanism and a photocatalytic mechanism arranged in the reactor cavity; the reactor cavity is provided with an oil inlet and an oil outlet, and the circulating mechanism is respectively connected with the oil inlet and the oil outlet so as to circulate the liquid in the reactor cavity; the photocatalytic mechanism comprises a hollow transparent tube body, a photocatalytic material unit arranged outside the transparent tube body and a light source module arranged inside the transparent tube body; the heat dissipation mechanism comprises a heat conduction pipe and a heat dissipation module arranged outside the reactor cavity body; the heat conduction pipe is connected with the heat dissipation module, is arranged in the transparent tube body and is in contact with the light source module so as to dissipate heat of the light source module. The utility model discloses can effectively reduce light source module's heat and pile up, reduce the temperature of light source module department, and then improve light source module's life, reduce the quality to peanut oil and cause the influence.
Description
Technical Field
The utility model relates to an agricultural product processing technology field, more specifically relates to a photocatalysis reaction unit of degradation peanut oil aflatoxin.
Background
Aflatoxin has strong toxicity to human, and the toxic effect is mainly damage to liver, and is one of the most carcinogenic chemical substances. Aflatoxins are present in a variety of nuts, particularly peanuts. In the freshly squeezed peanut oil in China, particularly in peanut oil workshops, the detection rate of aflatoxin is high, and the content of aflatoxin is higher than the limit regulation in the national food hygiene standard. For the peanut oil to be edible and safe, the peanut oil must be treated to remove aflatoxins before it is sold. The aflatoxin is heat-resistant and can be cleaved only at 280 ℃, so that the aflatoxin is difficult to damage at the general cooking temperature. The prior main methods for removing aflatoxin in peanut oil comprise a chemical method, a biological method and a physical method. The former two methods have the defects that the inherent fragrance of the peanut oil is removed while the aflatoxin content in the peanut oil reaches the standard, and the quality of the peanut oil is influenced. The ultraviolet irradiation technology of the physical method adopts a high-power ultraviolet high-pressure mercury lamp, but the oil temperature rises quickly, which affects the grease quality.
Compared with the method, the photocatalysis technology has the characteristics of mild reaction and rapid reaction, is regarded as a high-efficiency and low-consumption green advanced oxidation technology, and the catalyst excited by light irradiation can catalyze and oxidize most organic compounds or biotoxins. The prior art (2018 (11):253-257) discloses a device for photocatalytic degradation of aflatoxin in peanut oil, which adopts a thermal radiation or gas discharge ultraviolet lamp as a photocatalytic light source, wherein the ultraviolet lamp is arranged in a quartz glass tube to irradiate a photocatalyst loaded on the outer surface of the quartz glass tube, but the heat of the ultraviolet lamp cannot be effectively and timely dissipated because the ultraviolet lamp has large self heat dissipation and is arranged in the quartz glass tube, so that the service life of the ultraviolet lamp is influenced, and the oil quality is influenced because the oil temperature is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a photocatalysis reaction unit of degradation peanut oil aflatoxin, photocatalysis reaction unit can effectively dispel the heat to the light source module among the photocatalysis reaction unit, effectively improves light source module's life.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a photocatalytic reaction device for degrading aflatoxin in peanut oil comprises a photocatalytic reactor and a circulating mechanism; the photocatalytic reactor comprises a reactor cavity, a heat dissipation mechanism and a photocatalytic mechanism arranged in the reactor cavity; the reactor cavity is provided with an oil inlet and an oil outlet, and the circulating mechanism is respectively connected with the oil inlet and the oil outlet so as to circulate liquid in the reactor cavity; the photocatalytic mechanism comprises a hollow transparent tube body, a photocatalytic material unit arranged outside the transparent tube body and a light source module arranged inside the transparent tube body; the heat dissipation mechanism comprises a heat conduction pipe and a heat dissipation module arranged outside the reactor cavity body; the heat conduction pipe is connected with the heat dissipation module, and the heat conduction pipe is arranged in the transparent pipe body and is in contact with the light source module so as to dissipate heat of the light source module.
The utility model discloses in, the light source module connects the heat pipe, the heat pipe conducts light source module's heat to thermal module, and then fully dispels the heat through thermal module and air convection, can effectively reduce light source module's heat like this and pile up, reduces the temperature of light source module department, and then improves light source module's life, reduces to cause the influence to the quality of oil.
The light source module is an ultraviolet lamp or a LED lamp. Preferably, the light source module is an LED lamp. LED lamps and lanterns have that power consumption is little, photoelectric conversion efficiency is high, calorific capacity is little, long service life's advantage, the specially adapted the photocatalysis reaction unit.
Furthermore, the LED lamp is composed of a plurality of LED lamp beads, and the LED lamp beads are arranged on the surface of the heat conduction pipe. For the convenience of LED lamp pearl setting, the heat pipe adopts the cuboid structure, the cuboid structure is followed the axial lead direction of transparent body extends, many LED lamp pearl evenly distributed are in on four sides of cuboid, and follow the axial lead direction of cuboid extends to arrange. The quantity of the LED lamp beads can be set according to actual conditions.
In order to better conduct the heat of the LED lamp beads to the heat conduction pipe, further, a heat conduction material layer is arranged on the contact surface of the LED lamp beads and the heat conduction pipe. The heat conducting material is generally heat conducting silica gel.
The heat dissipation module is a finned radiator. Further, the finned radiator comprises a radiator main body and radiating fins arranged outside the radiator main body, wherein the inside of the radiator main body is communicated with the heat conduction pipe and is provided with phase-change heat conduction liquid. The finned radiator is formed by pressing an aluminum alloy material.
As one of the embodiments of the present invention, the reactor cavity is of a light-tight sleeve structure. The sleeve is made of stainless steel. In addition, in order to reduce light source module's light energy loss improves light source module's energy utilization, furtherly, the inner wall of reactor cavity is equipped with the light reflection layer. Specifically, the inner wall surface of the reactor chamber is mirror-finished.
The photocatalytic material unit is arranged on the photocatalytic material layer on the outer surface of the transparent pipe body. The photocatalytic material layer is loaded on the outer surface of the transparent tube body by adopting a sol-gel method. The photocatalytic material in the photocatalytic material layer is preferably TiO2Or doped modified TiO2。
The transparent tube body can effectively lead the light irradiation of the light source module to reach the photocatalytic material unit in the reactor cavity body. Preferably, the transparent tube body is a quartz glass tube which has stable chemical property, good light transmission and good combination with the photocatalytic material layer.
The oil inlet and the oil outlet of the reactor cavity are respectively arranged at two ends of the reactor cavity, and further the oil inlet and the oil outlet are arranged at the same side of the reactor cavity.
The circulation mechanism of the utility model comprises a pump and a circulation pipeline; the pump is arranged on the circulating pipeline and connected with the circulating pipeline, and the circulating pipeline is respectively connected with the oil inlet and the oil outlet of the reactor cavity.
The utility model discloses can establish ties a plurality of photocatalytic reactor according to actual demand. Specifically, the photocatalytic reaction apparatus includes a plurality of photocatalytic reactors connected in series by the circulation pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses improve photocatalytic reaction device, through setting up heat radiation module makes light source module with the heat pipe is connected, the heat conduction that the heat pipe produced light source module to heat radiation module, through heat radiation module and air convection and then fully dispel the heat, can effectively reduce light source module's heat like this and pile up, reduce the temperature of light source module department, and then improve light source module's life, reduce the quality to oil and cause the influence. Further, the utility model discloses still can adopt cold light source LED lamp as the light source of photocatalysis, LED lamp has that power consumption is little, photoelectric conversion efficiency is high, calorific capacity is little, long service life's advantage, can further effectively improve light source module's life.
Drawings
Fig. 1 is a schematic structural diagram of a photocatalytic reaction apparatus according to the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1, a photocatalytic reaction device for degrading aflatoxin in peanut oil comprises a photocatalytic reactor 1 and a circulation mechanism 2, wherein the photocatalytic reactor 1 comprises a reactor cavity 11, a heat dissipation mechanism 12 and a photocatalytic mechanism 13 arranged in the reactor cavity 11.
In this embodiment, the reactor chamber 11 is a stainless steel sleeve that is opaque to light. The reactor cavity 11 is provided with an oil inlet 111 and an oil outlet 112, the oil inlet 111 and the oil outlet 112 of the reactor cavity 11 are respectively arranged at two ends of the reactor cavity, and the oil inlet 111 and the oil outlet 112 are arranged at the same side of the reactor cavity.
The circulating mechanism 2 comprises a pump 21 and a circulating pipeline 22, the pump 21 is arranged on the circulating pipeline 22 and connected with the circulating pipeline, and the circulating pipeline 22 is respectively connected with an oil inlet 111 and an oil outlet 112 of the reactor cavity so as to circulate the liquid in the reactor cavity.
In order to facilitate the addition or removal of peanut oil, the reactor chamber 11 is also provided with an oil filling port 113 and the circulation pipe 22 is provided with an oil discharge port 221.
The photocatalytic mechanism 13 includes a hollow transparent tube 131, a photocatalytic material unit 132 disposed outside the transparent tube 131, and a light source module 133 disposed inside the transparent tube.
The transparent tube 131 canIt is effective to allow the light of the light source module 133 to irradiate the photocatalytic material unit 132 located in the reactor chamber 11. The transparent tube 131 is a quartz glass tube, which has stable chemical properties and good light transmittance. The photocatalytic material unit 132 is a photocatalytic material layer disposed on the outer surface of the transparent tube 131. The photocatalytic material layer is loaded on the outer surface of the transparent tube body by adopting a sol-gel method. The photocatalytic material in the photocatalytic material layer is preferably TiO2Or doped modified TiO2。
The heat dissipation mechanism 12 comprises a heat conduction pipe 121 and a heat dissipation module 122 arranged outside the reactor cavity; the heat pipe 121 is connected to the heat dissipation module 122, and the heat pipe 121 is disposed inside the transparent tube 131.
In the present embodiment, the light source module 133 is an LED lamp. The LED lamp comprises a plurality of LED lamp beads, the number of the LED lamp beads can be set according to actual conditions, and the plurality of LED lamp beads are arranged on the surface of the heat conduction pipe. For the convenience of LED lamp pearl setting, in this embodiment, heat pipe 121 adopts the cuboid structure, and the axial lead direction of transparent body is followed to the cuboid structure extends, and a plurality of LED lamp pearls evenly distributed are on four sides of cuboid to the axial lead direction along the cuboid extends and arranges. The heat pipe 121 conducts the heat of the light source module 133 to the heat dissipation module 122, and the heat is sufficiently dissipated by convection between the heat dissipation module 122 and the air, so that the heat accumulation of the light source module can be effectively reduced, the temperature of the light source module is reduced, the service life of the light source module is prolonged, and the influence on the quality of the oil is reduced.
The heat dissipation module 122 is a finned heat sink, which is formed by pressing aluminum alloy material, and includes a heat sink main body, and heat dissipation fins disposed outside the heat sink main body, wherein the inside of the heat sink main body is communicated with the heat conduction pipe and is provided with a phase-change heat conduction liquid.
Example 2
This embodiment is the utility model discloses a 2 nd embodiment, it is the same with embodiment 1 basically on technical scheme, the difference lies in, for the heat conduction with LED lamp pearl better for the heat pipe, LED lamp pearl is provided with the heat conduction material layer with the contact surface of heat pipe, and the heat conduction material adopts heat conduction silica gel.
Example 3
This embodiment is the utility model discloses a 3 rd embodiment, it is basically the same with embodiment 1 on technical scheme, the difference lies in, in order to reduce light source module's light energy loss, improves light source module's energy utilization, and the inner wall of this embodiment reactor cavity is equipped with the light reflection layer. Specifically, the inner wall surface of the reactor chamber was subjected to mirror surface treatment.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A photocatalytic reaction device for degrading aflatoxin in peanut oil is characterized by comprising a photocatalytic reactor and a circulating mechanism;
the photocatalytic reactor comprises a reactor cavity, a heat dissipation mechanism and a photocatalytic mechanism arranged in the reactor cavity;
the reactor cavity is provided with an oil inlet and an oil outlet, and the circulating mechanism is respectively connected with the oil inlet and the oil outlet so as to circulate liquid in the reactor cavity;
the photocatalytic mechanism comprises a hollow transparent tube body, a photocatalytic material unit arranged outside the transparent tube body and a light source module arranged inside the transparent tube body;
the heat dissipation mechanism comprises a heat conduction pipe and a heat dissipation module arranged outside the reactor cavity body; the heat conduction pipe is connected with the heat dissipation module, and the heat conduction pipe is arranged in the transparent pipe body and is in contact with the light source module so as to dissipate heat of the light source module.
2. The photocatalytic reaction device according to claim 1, wherein the light source module is an LED lamp.
3. The photocatalytic reaction device as set forth in claim 2, wherein the LED lamp is composed of a plurality of LED lamp beads disposed on the surface of the heat pipe.
4. The photocatalytic reaction device as set forth in claim 3, wherein the contact surface of the LED lamp bead and the heat pipe is provided with a heat conducting material layer.
5. The photocatalytic reaction device as set forth in claim 1, wherein the heat dissipation module is a finned heat sink.
6. The photocatalytic reaction device as set forth in claim 5, wherein the finned heat sink comprises a heat sink body, and heat dissipating fins disposed outside the heat sink body, the heat sink body being internally communicated with the heat pipe and being provided with a phase-change heat-conducting liquid.
7. A photocatalytic reaction device as set forth in any of claims 1-6, characterized in that the inner wall of the reactor cavity is provided with a light reflecting layer.
8. The photocatalytic reaction device as set forth in claim 1, wherein the photocatalytic material unit is a photocatalytic material layer disposed on an outer surface of the transparent tube body.
9. The photocatalytic reaction device according to claim 1, characterized in that the circulation mechanism includes a pump, a circulation pipe; the pump is arranged on the circulating pipeline and connected with the circulating pipeline, and the circulating pipeline is respectively connected with the oil inlet and the oil outlet of the reactor cavity.
10. The photocatalytic reaction device according to claim 9, characterized in that the photocatalytic reaction device includes a plurality of photocatalytic reactors connected in series by the circulation pipe.
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CN201921895812.1U CN211734294U (en) | 2019-11-05 | 2019-11-05 | Photocatalytic reaction device for degrading peanut oil aflatoxin |
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CN201921895812.1U CN211734294U (en) | 2019-11-05 | 2019-11-05 | Photocatalytic reaction device for degrading peanut oil aflatoxin |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114514979A (en) * | 2020-11-19 | 2022-05-20 | 中国农业科学院油料作物研究所 | Green method for reducing aflatoxin |
EP4241632A4 (en) * | 2020-11-05 | 2024-04-17 | Panasonic Intellectual Property Management Co., Ltd. | Food processing device |
EP4241582A4 (en) * | 2020-11-05 | 2024-04-17 | Panasonic Intellectual Property Management Co., Ltd. | Food processing device |
EP4241633A4 (en) * | 2020-11-06 | 2024-04-24 | Panasonic Intellectual Property Management Co., Ltd. | Operation method for food processing device, and food processing device |
-
2019
- 2019-11-05 CN CN201921895812.1U patent/CN211734294U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4241632A4 (en) * | 2020-11-05 | 2024-04-17 | Panasonic Intellectual Property Management Co., Ltd. | Food processing device |
EP4241582A4 (en) * | 2020-11-05 | 2024-04-17 | Panasonic Intellectual Property Management Co., Ltd. | Food processing device |
EP4241633A4 (en) * | 2020-11-06 | 2024-04-24 | Panasonic Intellectual Property Management Co., Ltd. | Operation method for food processing device, and food processing device |
CN114514979A (en) * | 2020-11-19 | 2022-05-20 | 中国农业科学院油料作物研究所 | Green method for reducing aflatoxin |
WO2022105831A1 (en) * | 2020-11-19 | 2022-05-27 | 中国农业科学院油料作物研究所 | Green method for eliminating aflatoxin |
CN114514979B (en) * | 2020-11-19 | 2024-03-29 | 中国农业科学院油料作物研究所 | Green method for reducing aflatoxin |
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Granted publication date: 20201023 Termination date: 20211105 |
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