CN212068697U - High-density light reaction box and photocatalytic equipment - Google Patents
High-density light reaction box and photocatalytic equipment Download PDFInfo
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- CN212068697U CN212068697U CN201922324971.2U CN201922324971U CN212068697U CN 212068697 U CN212068697 U CN 212068697U CN 201922324971 U CN201922324971 U CN 201922324971U CN 212068697 U CN212068697 U CN 212068697U
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Abstract
The utility model relates to a high density photoreaction box and photocatalytic equipment. The light reaction box comprises a box body, a reaction channel and a light source device, wherein the reaction channel and the light source device are arranged in the box body, the reaction channel and the light source device are respectively arranged at intervals in a layered mode, and the layer where the reaction channel is located is adjacent to the layer where the light source device is located. The photocatalysis equipment comprises a liquid reaction premixing reaction system and the high-density light reaction box, wherein the reaction channels of the liquid reaction premixing reaction system and the high-density light reaction box are connected through a pump. The equipment of the utility model adopts modularized connection, can flexibly adjust the parameters between modules, and is suitable for the requirements of various fields, directions or scales of photocatalytic reactions; because the reaction separates the photoreaction system from the reaction mixed system, the photoreaction under high temperature and high pressure can be realized, the photoreaction under low temperature can be realized, the amplification effect can be reduced and even eliminated, and the method has extremely high industrial application value.
Description
Technical Field
The utility model relates to a photocatalysis technical field, concretely relates to high density light reaction case and photocatalysis equipment.
Background
The existing photocatalytic devices are designed more in scientific research, and generally comprise the following types:
one type of equipment can only be used for laboratory research and can control the power of a light source, but the utilization rate of the light source is low, and the light reaction at higher temperature or lower temperature cannot be realized. The amplification effect is evident when a magnification experiment is carried out using this type of equipment.
The other type of equipment is simple, the light source can only provide a single wavelength, the light source can only be used for small-amount photoreaction, the photoreaction at higher temperature or lower temperature cannot be realized, the problem of serious light pollution is caused, and the experimental amplification effect caused by the equipment is obvious.
The other type of equipment has low light utilization rate, the illumination of a reaction system is not uniform, the equipment is not suitable for a large number of reaction systems, and the problem of serious light pollution can be caused; the experimental amplification effect caused by the equipment is obvious.
The light source with the required wavelength is selectively reserved by adding the optical filter, but the light utilization rate is low, the energy waste is serious, the reaction light source and the reaction system are difficult to cool or preserve heat, so that the experimental stability and the influence factors are more, the photoreaction at higher temperature or lower temperature cannot be realized, the serious light pollution problem is caused, and the experimental amplification effect caused by the equipment is obvious.
The other type of equipment has large scale, single light source type, low light utilization rate, serious energy waste and difficult temperature reduction or heat preservation of a reaction light source and a reaction system, so that more experiment stability and influencing factors exist; the photoreaction at higher temperature or lower temperature can not be realized, the problem of serious light pollution can be caused, and the experimental amplification effect caused by equipment is obvious.
The above devices are usually point light source side irradiation or immersion type irradiation structures, and have the problems of low light utilization rate, poor reaction effect caused by uneven light distribution, and the like. In summary, the following problems generally occur to a greater or lesser extent with current photocatalytic devices:
the production capacity of the equipment is low, and the equipment cannot be applied to chemical industry large-scale production; the power and wavelength of the light source are not controllable; heat dissipation of a light source and heat preservation of a reaction system; the photoreaction at higher temperature or lower temperature cannot be realized; the uniformity of a reaction system cannot be ensured, and the light permeability is ensured at the same time, particularly under the condition of industrial production; the production cost of the reactor is high; the production efficiency of the reactor is low; the demand-based assembly requirements cannot be achieved.
Therefore, in order to solve one or more of the above problems, it is necessary to provide a new photocatalytic device.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a photo reaction chamber and a photo catalytic apparatus to solve one or more of the above problems.
First, the utility model provides a light reaction box, light reaction box includes box, reaction fluid channel, light source device, reaction channel and light source device set up in the box, wherein, can layering interval modularization link between reaction channel board and the light source board. The light reaction box can also be provided with a box body temperature control device to adjust and control the temperature of the reaction.
The reaction channels and the light source devices are respectively arranged at intervals in a layered mode, and the layers where the reaction channels are located are adjacent to the layers where the light source devices are located.
The flow control of the reaction mixed liquid, the wavelength and power control of the reaction light source and the reaction temperature control in the box body can be carried out in the light reaction box.
The utility model discloses can separate reaction accuse temperature, pressurization, mixing system and photoreaction system, form the modularization system, make things convenient for reaction parameter's regulation and control, reaction channel and light source layering set up in photoreaction system (high density photoreaction case), and but the modularization is linked between reaction channel or the light source board, can adjust required reaction channel board number and light source board number according to the reaction needs for this equipment has stronger adaptability to different photoreactions. In addition, the design can improve the light utilization rate, and the light distribution is more uniform, so that the reaction control is more perfect, and a plurality of problems in the design of the existing equipment are avoided. It is worth noting that the design of the high-density light reaction box separately from the reaction liquid mixing and heat preserving device enables the equipment to be highly compatible with the existing heating reaction equipment for combined use.
In the high-density optical reaction box, each layer of the reaction channel can be arranged in a bent multi-turn or multi-fold trend mode.
According to an embodiment of the present invention, each layer of the reaction channel is in a zigzag shape, a random shape or a transparent hollow thin plate advection.
According to an embodiment of the present invention, the longitudinal section of the pipeline of the reaction channel is a linear type, a curved type, a spiral type, or the like.
According to an embodiment of the present invention, the reaction channel has a pipe with an internal barrier. Of course, no internal barrier may be provided.
According to an embodiment of the present invention, a bubbler is disposed in the reaction channel.
According to the utility model discloses an embodiment, light source device includes the light source board, and every layer of light source device sets up the light source board that a plurality of arrays were arranged.
According to the utility model discloses an embodiment, the light source device still includes thermal module, so that right the heat dissipation of light source board.
According to one embodiment of the present invention, each layer of light source device and each layer of reaction channel are detachably connected, and the box body is made of opaque reflective material; and a temperature sensor and a light source monitor are arranged in the box body.
The utility model also provides a photocatalysis equipment, including liquid reaction mix the pre-reaction system with high density light reaction case, liquid reaction mix the pre-reaction system with high density light reaction case's reaction channel passes through the pump and connects.
According to an embodiment of the present invention, the photocatalytic apparatus further comprises a light source control system and a box body temperature control device, wherein the light source control system is connected to the light source device of the photoreaction box; the box body temperature control device is connected with the reaction channel of the light reaction box; the photoreaction box is provided with a reaction inlet and a reaction outlet, the liquid reaction premixing reaction system is connected with the reaction channel through the reaction inlet, and the reaction channel is connected with the liquid reaction premixing reaction system or the recoverer through the reaction outlet; the box body temperature control device is arranged outside the photoreaction box.
The utility model separates the photoreaction system from the reaction mixing system, so that the photoreaction under high temperature and high pressure can be realized; since the photoreaction system is separated from the reaction mixture system, photoreaction at a low temperature can be realized.
The utility model discloses equipment adopts the detachable modularization to connect, can adjust the parameter between the module in a flexible way.
The utility model discloses also can connect through the modularization between each inside part of module, conveniently overhaul and change the part, reduce equipment cost and maintenance cost.
The utility model discloses the design theory of equipment is fit for the demand of each field of photocatalytic reaction and direction, can satisfy the small dose reaction of scientific research experiment, also can be fit for the production of the medium dosage on the industrial production, more can be used for the large dose reaction of photocatalytic industrial production.
The utility model discloses equipment adopts the similar continuous flow micro-reactor's thinking for this equipment has the partial characteristic of flow chemistry (microchannel), if reduce or even eliminate the amplification effect, reduces the side reaction and takes place.
The utility model discloses equipment can realize multichannel photoreaction through the design for in control experiment and condition screening, high efficiency and stability have been guaranteed.
The utility model discloses equipment can realize the accurate control to light source wavelength and power through the design for in control experiment and condition screening, guaranteed high efficiency and stability, and the completeness of experimental facilities function.
Drawings
FIG. 1 is a schematic structural view of a photocatalytic apparatus according to an embodiment of the present invention;
FIG. 2a is a schematic top view of a reaction channel on a floor according to an embodiment of the present invention;
FIG. 2b is a schematic diagram of a vertical structure of a reaction channel of a straight tube according to an embodiment of the present invention;
FIG. 2c is a schematic top view of a spiral type reaction channel according to an embodiment of the present invention;
FIG. 2d is a schematic view of a spiral-type three-dimensional structure of a pipeline of a reaction channel according to an embodiment of the present invention;
FIG. 2e is a schematic diagram of a turbulent flow barrier reaction channel according to an embodiment of the present invention;
fig. 2f shows a different shape of the turbulence blocking block according to an embodiment of the present invention;
fig. 3 is a schematic top view of a light source device according to an embodiment of the present invention;
FIG. 4a is a schematic structural diagram of a prototype of an LED integrated catalytic device according to the present invention;
FIG. 4b is another schematic perspective view of a prototype LED integrated catalytic device of FIG. 4 a;
reference numerals:
10 light reaction box, 103 box body, 101 reaction channel, 102 light source device, 1011 reaction channel monomer and 1012 connector;
20 liquid reaction premixing reaction system;
the system comprises an A LED catalytic device model, an A1 LED cooling liquid inlet, an A2 LED cooling liquid outlet, an A3 cooling liquid box body, an A31 catalytic liquid cooling coil, an A4 catalytic liquid inlet, an A5 catalytic liquid outlet, an A6 catalytic device pump and an A7 liquid storage box.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
The utility model mainly aims at the problems that the reaction liquid and the light source of the existing photocatalysis equipment are in the same space, and the condition parameters required by the reaction are difficult to ensure by the existing photocatalysis equipment when the difference between the reaction temperature or the reaction pressure and the working temperature or the pressure of the light source is overlarge, and especially the temperature control of the photoreaction at higher temperature or lower temperature is more difficult; because the photic reaction is at the industrialization in-process, can't effectively realize the light transmissivity of reaction system homogeneous and guarantee light simultaneously, consequently, the utility model discloses the light catalytic equipment that a light catalytic reaction does not receive liquid reaction and mixes reaction system influence in advance is planned to explore, improves the homogeneity of light reaction moreover as far as possible to ensure its light transmissivity.
The utility model discloses abandon the present liquid reaction and mix the integrative photocatalysis equipment structure of reaction system and light source in advance, separate reaction system and light source system in advance with the liquid reaction, carry out reconfiguration and design to each equipment, especially carry out new structural design to photocatalysis equipment.
As shown in fig. 1, the present invention provides a light reaction box 10, wherein the light reaction box 10 mainly includes a box body 103, a reaction channel 101 and a light source device 102, and the reaction channel and the light source device are disposed in the box body.
In order to make the light reaction arrange that density is higher and illumination is more even as far as possible, the utility model discloses a mode of layering arranges reaction channel and light source device interval.
As shown in fig. 1, the reaction channels 101 and the light source devices 102 are arranged in a layered manner at intervals, and the layer on which the reaction channels are located is adjacent to the layer on which the light source devices are located.
That is, each layer of reaction channel is provided with at least one layer of light source device 102 to illuminate it, so that the liquid in the reaction channel can generate photocatalytic reaction.
According to the utility model discloses an embodiment, reaction channel and light source device layering are arranged, follow supreme interval arrangement in proper order down.
According to the utility model discloses an embodiment, reaction channel and light source device layering are arranged, from a left side to the right side interval arrangement in proper order.
Of course, the present invention does not exclude the structure of only the single-layer reaction channel 101 and the light source device 102.
The utility model discloses set up reaction channel and light source layering for light source or photon distribute more evenly and stable. In addition, the distribution mode is beneficial to reducing the influence of the reaction amplification effect. Moreover, the design of the photoreactor separately from the mixing pre-reaction system makes the apparatus easy to control the reaction temperature, pressure, mixing effect and continuous reaction. In addition, the equipment design can save the occupied space of the equipment to the maximum extent.
In order to improve the arrangement density of the reaction channels as much as possible, increase the illumination time and the illumination uniformity of the liquid passing through the reaction channels and integrally improve the effectiveness of the structure, each layer of the reaction channels of the light reaction box can be in various arrangement modes such as bending for multiple circles or folding directions or internal blocking.
According to an embodiment of the present invention, each layer of the reaction channel may have a zigzag shape, a random shape, or the like.
As shown in FIG. 2a, the reaction channels run in a zigzag pattern on the same layer. The other trend structure schematics are not listed one by one.
The utility model discloses the setting of similar continuous flow micro-reactor is taken to the photoreaction passageway for this equipment has flow chemistry's partial characteristic, if reduce or even eliminate the amplification effect, reduces the emergence of side reaction.
According to an embodiment of the present invention, the connection between each layer of light source device and between each layer of reaction channel can be disassembled respectively.
According to the utility model discloses an embodiment, the utility model discloses through modularization series connection between the reaction channel.
According to the utility model discloses an embodiment, also connect through the joint modularization between the reaction channel layer and the layer and on every layer between the reaction channel to reach through control reaction channel overall length, further prolong the effect of photoreaction time.
That is, the reaction channel in each layer may be formed by connecting a plurality of channels.
According to an embodiment of the present invention, the longitudinal section of the pipeline profile of the reaction channel is linear, curved, spiral, or other regular or irregular.
The reaction channel structure in which the longitudinal section of the outer shape of the reaction channel is linear is schematically shown in FIGS. 2a and 2 b.
According to the utility model discloses an embodiment, reaction channel self can adopt spiral advancing, or guarantees with other modes that the reaction mixes the liquid and forms the torrent in the process, ensures the reaction thick liquid misce bene in reaction sequence.
According to an embodiment of the present invention, the reaction channel structure with the longitudinal section of the pipeline profile of the reaction channel being a spiral line is shown in fig. 2c and 2 d.
The structure form which generates liquid turbulence effect in other ways is shown in fig. 2e, and the structure is that the reaction liquid is blocked in the flowing process, so that the flowing direction of the liquid is changed to form a turbulent state to facilitate the mixing of the reaction liquid.
The shape of the blocking block generating turbulence is not limited, and may be triangular, square, circular, semicircular, heart-shaped, etc. as shown in fig. 2f, and may also be implemented by other shape structures.
The reaction channel can be added with a bubbling device so as to uniformly mix the reaction liquid in the reaction channel.
The reaction channel can be made of high light transmittance materials, such as quartz, glass and the like. If high temperature or pressure is required, the material should meet the experimental requirements.
As shown in fig. 3, according to an embodiment of the present invention, the light source device includes a light source board, and each layer of light source device is provided with a plurality of light source boards arranged in an array.
The light source plates can be connected in a modularized manner through joints, so that the liquid holdup of the reaction channel is further increased by controlling the number of the light source plates.
The individual light source boards on each layer of light source devices may be connected in series. The light source boards between layers may also be connected in series.
The arrangement form of the light source device is different according to the arrangement form of the reaction channel so as to achieve the purpose of irradiating the reaction channel.
According to the utility model discloses an embodiment, the light source device still includes thermal module, so that right the heat dissipation of light source board. The light source plate is cooled by the heat dissipation block or the heat dissipation cavity through water cooling so as to ensure the temperature required by the reaction system and the light source equipment.
The light reaction box body can be made of opaque reflecting materials so as to reduce light pollution and improve the utilization rate of a light source.
A temperature sensor and a light source monitor can be arranged in the box body.
A temperature sensor can be added in the box body, and the temperature in the box body can be monitored and adjusted in real time
A light source monitoring device can be added in the box body, so that the problem that the light source equipment has defects or cannot illuminate is solved.
An exhaust fan or other temperature control equipment can be added outside the box body to ensure the stability of the reaction equipment.
The shape of the box is not limited, and can be different according to the arrangement of the reaction channel and the light source device.
The utility model also provides a photocatalysis equipment, including liquid reaction system and foretell photoreaction case in advance. According to an embodiment of the present invention, the liquid reaction premixing reaction system and the reaction channel of the light reaction box are connected by a pump.
According to the utility model discloses an embodiment, continuously stably advance the appearance through micropump or sampling pump between reaction system and the photoreaction case in advance in the liquid reaction to the velocity of flow of control continuous reaction process reaches the reaction process velocity of flow controllable, and stabilizes effectual purpose.
The photoreaction box can be provided with a reaction inlet and a reaction outlet, the liquid reaction premixing reaction system is connected with the reaction channel through the reaction inlet, and the reaction channel is connected with the liquid reaction premixing reaction system or the recoverer through the reaction outlet.
The liquid reaction mixing pre-reaction system mainly comprises a mechanical stirring or magnetic stirrer, a heating/cooling system, a pressurizing/depressurizing system, a temperature control device, a reflux control device and the like, is basically similar to or identical to the existing heating reaction kettle and other equipment, and mainly plays roles of mixing a reaction system, heating, pressurizing or cooling, depressurizing and the like so as to ensure that reaction liquid is uniformly mixed to reach the conditions required by photoreaction before entering a photoreaction box. Since this part can be realized by using the existing heating reaction kettle and other equipment, the details are not described here.
According to the utility model discloses an embodiment, the photocatalysis equipment still includes light source control system, light source control system with the light source device of high density light reaction box connects. The control system controls the wavelength, power and working temperature of the light source through the controller.
The light source control system can be arranged outside the light reaction box and interacts with the light source device in a wired connection mode or a wireless connection mode.
In order to adjust or control the temperature of the liquid in the reaction channel, the photocatalytic equipment further comprises a box body temperature control device. The box body temperature control device is connected with the reaction channel of the light reaction box. The box body temperature control device can be arranged outside the light reaction box and is connected and interacted with the heater in the reaction channel in a wired connection mode or a wireless connection mode.
The utility model discloses if the reaction is mixed after liquid passes through the light reaction case, the reaction has been accomplished or reaches required reaction requirement and can retrieve the purification alone with reaction mixed liquid.
If the reaction mixed liquid passes through the light reaction box, the reaction mixed liquid can be circulated back to the liquid reaction premixing reaction system after the reaction is not completed or the required reaction requirement is not met, and the reaction mixed liquid is further mixed and then circulated into the light reaction box for the light catalytic reaction until the reaction is completed or the required reaction requirement is met.
Fig. 4a is a schematic structural diagram of a prototype of an LED integrated catalytic device according to an embodiment of the present invention, which separates an internal photoreaction system from a reaction solution premixing system, but is integrated in a large system, and fig. 4b is a schematic structural diagram of another perspective of the prototype of the LED integrated catalytic device. The catalytic device A is mainly provided with an LED cooling liquid inlet A1, an LED cooling liquid outlet A2, a cooling liquid box body A3, a catalytic liquid cooling coil A31, a catalytic liquid inlet A4, a catalytic liquid outlet A5, a catalytic device pump A6, a liquid storage box A7 and the like besides an internal photoreaction system and a reaction liquid premixing system.
The utility model separates the photoreaction system from the reaction mixing system, so that the photoreaction under high temperature and high pressure can be realized; since the photoreaction system is separated from the reaction mixture system, photoreaction at a low temperature can be realized.
The utility model discloses equipment adopts the detachable modularization to connect, can adjust the parameter between the module in a flexible way.
The utility model discloses also can connect through the modularization between each inside part of module, conveniently overhaul and change the part, reduce equipment cost and maintenance cost.
The utility model discloses the design theory of equipment is fit for the demand of each field of photocatalytic reaction and direction, can satisfy the small dose reaction of scientific research experiment, also can be fit for the production of the medium dosage on the industrial production, more can be used for the large dose reaction of photocatalytic industrial production.
The utility model discloses equipment adopts the similar continuous flow micro-reactor's thinking for this equipment has the partial characteristic of flow chemistry (microchannel), if reduce or even eliminate the amplification effect, reduces the side reaction and takes place.
The utility model discloses equipment can realize multichannel photoreaction through the design for in control experiment and condition screening, high efficiency and stability have been guaranteed.
The utility model discloses equipment can realize the accurate control to light source wavelength and power through the design for in control experiment and condition screening, guaranteed high efficiency and stability, and the completeness of experimental facilities function.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used for illustrating the present invention, and all the components and devices of the embodiments can be changed, and all equivalent changes and improvements based on the technical solution of the present invention should not be excluded from the scope of the present invention.
Claims (10)
1. The utility model provides a light reaction box, its characterized in that, light reaction box includes box, reaction channel and light source device set up in the box, wherein, reaction channel with light source device is layered interval arrangement respectively, on the layer of reaction channel place and/or under adjacent the layer of light source device place.
2. A chamber according to claim 1, wherein each of the reaction channels is arranged in a curved or multi-turn arrangement.
3. A light reaction chamber according to claim 2, wherein each layer of the reaction channel has a bow-shaped orientation, a zigzag orientation, a random orientation or a transparent hollow thin plate advection orientation.
4. A light reaction box according to any one of claims 1 to 3, wherein the longitudinal section of the outer shape of the pipe of the reaction channel is a straight line type, a curved line type or a spiral line type; and a barrier is or is not arranged in the reaction channel.
5. A light reaction chamber according to any one of claims 1 to 3, wherein a bubbler is provided in the reaction channel.
6. A light reaction box according to any one of claims 1 to 3, wherein the light source device comprises a light source plate, and each layer of light source device is provided with a plurality of light source plates arranged in an array.
7. The light reaction box of claim 6, wherein the light source device further comprises a heat dissipation module to dissipate heat from the light source board.
8. The optical reaction box according to any one of claims 1 to 3 or 7, wherein each layer of light source device and each layer of reaction channel are detachably connected, and the box body is made of opaque reflective material; and a temperature sensor and a light source monitor are arranged in the box body.
9. A photocatalytic device characterized by comprising a liquid reaction premixing reaction system and a photoreaction tank of any one of claims 1 to 8, the liquid reaction premixing reaction system and a reaction channel of the photoreaction tank being connected by a pump.
10. The photocatalytic device according to claim 9, further comprising a light source control system and a box body temperature control device, wherein the light source control system is connected with the light source device of the light reaction box; the box body temperature control device is connected with the reaction channel of the light reaction box; the photoreaction box is provided with a reaction inlet and a reaction outlet, the liquid reaction premixing reaction system is connected with the reaction channel through the reaction inlet, and the reaction channel is connected with the liquid reaction premixing reaction system or the recoverer through the reaction outlet; the box body temperature control device is arranged outside the photoreaction box.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115155483A (en) * | 2022-07-08 | 2022-10-11 | 山东蓝湾新材料有限公司 | Photo-initiated ultrasonic stirring polymerization reactor and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115155483A (en) * | 2022-07-08 | 2022-10-11 | 山东蓝湾新材料有限公司 | Photo-initiated ultrasonic stirring polymerization reactor and use method thereof |
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