CN210815197U - Photochemical flow pipe device - Google Patents
Photochemical flow pipe device Download PDFInfo
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- CN210815197U CN210815197U CN201921499888.2U CN201921499888U CN210815197U CN 210815197 U CN210815197 U CN 210815197U CN 201921499888 U CN201921499888 U CN 201921499888U CN 210815197 U CN210815197 U CN 210815197U
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Abstract
The utility model discloses a photochemistry flow tube device, include: the reaction assembly is a reaction chamber or a plurality of reaction chambers connected in a sectional manner, a reaction chamber outer cover is arranged outside the reaction chamber, surrounds the reaction chamber and forms an interlayer for simulating illumination and cooling; the sheath gas protection assembly is arranged at one end of the reaction assembly and is used for introducing sheath gas into the reaction chamber, and the sheath gas forms a laminar flow protection layer around the wall of the reaction chamber; the sample gas inlet assembly is arranged at one end of the reaction assembly, is positioned inside the sheath gas protection assembly and is used for introducing the sample gas into the reaction chamber, and the sample gas is arranged in a laminar flow protection layer formed by the sheath gas; the simulated illumination component is used for simulating monochromatic illumination or composite illumination to ensure that the reaction sample gas is fully and uniformly illuminated; a gas cooling assembly for regulating the temperature of the reaction chamber; and the sample gas collection assembly is used for collecting sheath gas in the reaction chamber and sample gas after reaction.
Description
Technical Field
The utility model relates to an experimental apparatus technical field, concretely relates to photochemistry flow pipe device.
Background
In order to develop photochemical reaction research, a small indoor photochemical reaction simulation device is needed; the device has the characteristics of small volume and flexible operation, and can effectively avoid the deposition of sample gas and high-activity intermediate products on the tube wall; the existing devices for simulating photochemical reaction with the same scale cannot simultaneously meet the requirements.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned problem, the utility model provides a photochemistry flow tube device to the device of solving current small-size indoor simulation photochemical reaction is because the reactor volume is little, the sample gas reaction is insufficient, the sample gas is serious at the wall deposit in the experimentation, and brings the problem of showing experimental error.
The utility model discloses a photochemistry flow tube device, include:
the reaction assembly is a reaction chamber or a plurality of reaction chambers connected in a sectional manner, and a reaction chamber outer cover is arranged outside the reaction chamber and surrounds the reaction chamber to form a partition layer for simulating illumination and cooling;
the sheath gas protection assembly is arranged at one end of the reaction assembly and is used for introducing sheath gas into the reaction chamber, and the sheath gas forms a laminar flow protection layer around the wall of the reaction chamber;
the sample gas inlet assembly is arranged at one end of the reaction assembly, is positioned in the sheath gas protection assembly, is used for introducing the sample gas into the reaction chamber, and is arranged in a laminar flow protection layer formed by the sheath gas;
the simulated illumination component is arranged in the interlayer of the reaction component and is used for simulating monochromatic illumination or composite illumination so as to enable the reaction sample gas to be fully and uniformly illuminated;
the gas cooling assembly penetrates through the reaction assembly and is used for introducing cooling gas into the interlayer of the reaction assembly to adjust the temperature of the reaction chamber;
the sample gas acquisition assembly is arranged at the other end of the reaction assembly and used for acquiring sheath gas in the reaction chamber and sample gas after reaction.
As a further improvement of the utility model, two ends of the reaction chamber and the reaction chamber outer cover are provided with flange plates, and a fixing rib is arranged between the two flange plates;
and the flange plate is provided with a central hole for the sheath gas and the sample gas in the reaction chamber to pass through and a gas passing hole for the cooling gas to pass through.
As a further improvement of the utility model, the sheath gas protection component comprises a conical cylinder protection section;
a plurality of sheath gas inlets are uniformly distributed on the conical small end surface of the conical cylinder protection section;
the large cylindrical end face of the conical cylinder protection section is connected to a flange plate at the end part of the reaction chamber, and the inner cavity of the conical cylinder protection section is communicated with the reaction chamber;
the conical cylinder protection section is internally provided with a sheath gas buffer zone and a guide plate, and is used for uniformly distributing sheath gas and reducing the initial flow rate of the sheath gas, and finally a stable and proper speed is achieved.
As a further improvement of the utility model, the sample gas inlet assembly comprises a conical cylinder gas inlet section, and the conical cylinder gas inlet section and the conical cylinder protection section are concentrically arranged;
a sample gas inlet is arranged on the small conical end surface of the gas inlet section of the conical cylinder;
the large cylindrical end face of the air inlet section of the conical cylinder is connected to a flange plate at the end part of the reaction chamber, and the inner cavity of the air inlet section of the conical cylinder is communicated with the reaction chamber.
As a further improvement of the utility model, a sample gas mixing fin group is arranged in the air inlet section of the conical cylinder and is used for fully mixing the sample gas.
As a further improvement of the present invention, the simulated illumination assembly includes a lamp tube and a lamp tube fixing seat, the lamp tube is disposed in the partition, the lamp tube fixing seat is installed on the end flange of the reaction chamber, and the lamp tube is installed on the lamp tube fixing seat.
As a further improvement of the utility model, the gas cooling component comprises a cooling gas inlet and a cooling gas outlet;
the cooling gas inlet is arranged on a flange plate at one end of the reaction assembly, the cooling gas outlet is arranged on a flange plate at the other end of the reaction assembly, and the cooling gas inlet and the cooling gas outlet are communicated with the interlayer.
As a further improvement of the utility model, the sample gas collecting assembly comprises a conical sampling section;
a sample gas sampling port is arranged on the conical tip of the conical sampling section;
an external pipe is mounted at the conical tip of the conical sampling section, and a temperature and humidity sensor is mounted on the external pipe and used for detecting the temperature and the gas humidity in the reaction chamber;
the big end face of the toper of toper sampling section is connected on the tip ring flange of reaction chamber, the inner chamber of toper sampling section with reaction chamber communicates with each other.
As a further improvement of the present invention, the present invention further comprises:
the supporting component is arranged below the reaction component and used for supporting the reaction component.
As a further improvement of the utility model, the supporting component comprises a supporting fixed seat and a platform;
the reaction assembly is installed on the platform through the supporting fixing seat, and movable trundles are installed at the bottom of the platform.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the characteristics of the volume is little, the reaction of sample gas is abundant, the flexible operation and can effectively avoid sample gas and high activity intermediate product at the deposit of pipe wall, can reduce experimental error.
Drawings
Fig. 1 is a perspective view of a photochemical flow tube apparatus according to an embodiment of the present invention;
FIG. 2 is a front view of a photochemical flow tube apparatus according to one embodiment of the present disclosure;
FIG. 3 is a rear view of a photochemical flow tube apparatus according to one embodiment of the present disclosure;
FIG. 4 is a cross-sectional view of a photochemical flow tube apparatus according to one embodiment of the present disclosure;
fig. 5 is a schematic structural view of a sheath gas buffer strip according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a deflector according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a sample gas mixing fin set according to an embodiment of the present invention.
In the figure:
10. a reaction assembly; 11. a reaction chamber; 12. a reaction chamber housing; 13. fixing the ribs; 14. a flange plate;
20. a sheath gas shielding assembly; 21. a conical cylinder protection section; 22. a sheath gas inlet; 23. a sheath gas buffer zone; 24. a baffle;
30. a sample gas inlet assembly; 31. a conical barrel air inlet section; 32. a sample gas inlet; 33. a sample gas mixing fin set;
40. a simulated illumination assembly; 41. a lamp tube; 42. a lamp tube fixing seat;
50. a gas cooling assembly; 51. a cooling gas inlet; 52. a cooling gas outlet;
60. a sample gas collection assembly; 61. a conical sampling section; 62. a sample gas sampling port; 63. a temperature and humidity sensor;
70. a support assembly; 71. a supporting fixed seat; 72. a platform; 73. the caster can be moved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-4, the present invention provides a photochemical flow tube apparatus that can be installed indoors to simulate photochemical reactions; it includes: the device comprises a reaction component 10, a sheath gas protection component 20, a sample gas inlet component 30, a simulation illumination component 40, a gas cooling component 50, a sample gas collection component 60 and a support component 70; wherein:
the reaction assembly 10 of the present invention is composed of a reaction chamber 11 or a plurality of reaction chambers 11 connected in a sectional manner, a reaction chamber housing 12 is arranged outside the reaction chamber 11, and the reaction chamber housing 12 surrounds the reaction chamber 11 and forms an interlayer for simulating illumination and cooling; the utility model can realize the volume adjustment of the reaction component 10 through the multi-section detachable reaction chamber 11, and can allow the retention time of the sample gas in the chamber to be adjustable; so as to adapt to different reaction conditions, and the reaction of the sample gas is more sufficient; specifically, the method comprises the following steps:
the reaction chamber 11 of the utility model is a cylindrical device with the diameter of 300mm or other diameter sizes, a reaction chamber outer cover 12 is coaxially arranged outside the reaction chamber 11, two ends of the reaction chamber 11 with the reaction chamber outer cover 12 are provided with flange plates 14, and a fixing rib 13 is arranged between the two flange plates 14; the flange plate 14 is provided with a central hole communicated with the reaction chamber 11, and the central hole of the flange plate 14 at one end is used as an air inlet hole for sheath gas and sample gas of the reaction chamber 11 and is used for installing a sheath gas protection component 20 and a sample gas inlet component 30; the central hole of the flange plate 14 at the other end is used as a sampling hole for sheath gas and sample gas in the reaction chamber 11 and is used for installing the sample gas collecting assembly 60; a partition layer is formed between the reaction chamber outer cover 12 and the reaction chamber 11, and the simulated illumination assembly 40 is arranged in the partition layer; the flange 14 is provided with a gas passing hole communicated with the partition for installing the gas cooling assembly 50.
Further, when the installation is needed, a plurality of flanges of the reaction chamber 11 with the reaction chamber housing 12 are butted and then fixed through bolts; after the reaction chambers 11 are connected, a flange plate at one end of a reaction assembly 10 consisting of a plurality of reaction chambers 11 is provided with a sheath gas protection assembly 20 and a sample gas inlet assembly 30, and a flange plate at the other end is provided with a sample gas collecting assembly 60; and then installing the gas cooling assembly 50 on the corresponding gas passing hole to complete the assembly of the whole device.
The sheath gas protection component 20 of the present invention is disposed at one end of the reaction component 10, and is used for introducing sheath gas into the reaction chamber 11, and the sheath gas forms a laminar flow protection layer around the wall of the reaction chamber 11; specifically, the method comprises the following steps:
the utility model discloses a sheath gas protection subassembly 20 includes a toper section of thick bamboo protection section 21, toper section of thick bamboo protection section 21 comprises toper section and cylindric section, the equipartition has a plurality of sheath gas air inlets 22 on the toper small end face of toper section of thick bamboo protection section 21, the big terminal surface of cylindric of toper section of thick bamboo protection section 21 is connected on reaction chamber 11's tip ring flange, the inner chamber of toper section of thick bamboo protection section 21 communicates with each other with reaction chamber 11, make the sheath gas pass through inside sheath gas air inlet 22 gets into toper section of thick bamboo protection section 21, then in getting into reaction chamber 11, form laminar flow protective layer around reaction chamber 11's wall, its purpose is to prevent that the deposit of sample gas is serious on reaction chamber 11's wall; wherein, the sheath gas is inert gas which does not participate in the reaction of the sample gas, such as nitrogen, helium and the like.
The conical cylinder protection section 21 of the utility model is internally provided with a sheath gas buffer zone 23 and a guide plate 24; the function is as follows: the sheath gas is uniformly distributed and the initial flow velocity of the sheath gas is reduced, and finally the sheath gas reaches a stable and proper velocity. The sheath gas buffer zone 23 is shown in fig. 4 and 5, the sheath gas buffer zone 23 is made of annular foam nickel, and is distributed between the sheath gas protection component 20 and the sample gas inlet component 30, the flow rate of the sheath gas can be controlled by adjusting the distance between the annular structures of the buffer zone to achieve a stable and appropriate speed, and the structure is a three-dimensional mesh structure (sponge-like porous structure). As shown in fig. 4 and 6, the baffle 24 is disposed at the peripheral end of the sample gas inlet assembly 30 (between the sheath gas protecting assembly 20 and the sample gas inlet assembly 30), and guides the sheath gas that has been laminar, so as to guide the sheath gas to be close to the wall of the reaction chamber, thereby increasing the space for the sample gas reaction. The guide plate is a conical barrel shape, one end of the guide plate is sleeved on the sample gas inlet assembly, and the large opening faces the reaction chamber.
The sample gas inlet assembly 30 of the present invention is disposed at one end of the reaction assembly 10 and inside the sheath gas protection assembly 20, for introducing the sample gas into the reaction chamber 11, and the sample gas is disposed in the laminar flow protection layer formed by the sheath gas; specifically, the method comprises the following steps:
the sample gas inlet assembly 30 of the present invention comprises a conical cylinder gas inlet section 31, the conical cylinder gas inlet section 31 is composed of a conical section and a cylindrical section, and the conical cylinder gas inlet section 31 and the conical cylinder protection section 21 are concentrically arranged; a sample gas inlet 32 is arranged on the small conical end surface of the conical cylinder gas inlet section 31; the cylindrical big end surface of the conical cylinder air inlet section 31 is connected to the end flange of the reaction chamber 11, and the inner cavity of the conical cylinder air inlet section 31 is communicated with the reaction chamber 11; the sample gas enters the conical cylinder gas inlet section 31 through the sample gas inlet 32 and then enters the reaction chamber 11, and the sample gas is placed in the laminar flow protective layer formed by the sheath gas.
The sample gas mixing fin group 33 is arranged in the conical cylinder gas inlet section 31 of the utility model and is used for fully mixing the sample gas; the sample gas mixing fin group 33 is shown in fig. 4 and 7, the sample gas mixing fin group 33 comprises eight groups of fins, the fins are connected with the fins in a twisted 90-degree mode, the fins are formed by connecting a plurality of stainless steel thin strips in a 90-degree cross mode, the sample gas mixing fin group is arranged in a cylindrical structure of the sample gas inlet assembly and fixed through a protruding structure of a guide plate, and the effect of the sample gas mixing fin group is that sample gas can be efficiently mixed.
The simulated illumination component 40 of the utility model is arranged in the interlayer of the reaction component 10 and is used for simulating monochromatic illumination or composite illumination, so that the reaction sample gas is fully and uniformly illuminated; specifically, the method comprises the following steps:
the utility model discloses a simulation illumination subassembly 40 includes fluorescent tube 41 and fluorescent tube fixing base 42, sets up a fluorescent tube 41 in every reaction chamber 11's the interlayer, and fluorescent tube 41 both ends are installed on the fluorescent tube fixing base 42 on the ring flange of both ends, and fluorescent tube 41 can simulate monochromatic illumination or compound illumination.
The gas cooling assembly 50 of the present invention is penetrated on the reaction assembly 10, and is used for introducing cooling gas into the interlayer of the reaction assembly 10 to adjust the temperature of the reaction chamber; specifically, the method comprises the following steps:
the utility model discloses a gas cooling subassembly 50 includes cooling gas inlet 51 and cooling gas outlet 52, and cooling gas inlet 51 is installed on reaction unit's one end ring flange, and cooling gas outlet 52 is installed on reaction unit's other end ring flange, and cooling gas inlet 51, cooling gas outlet 52 communicate with each other with the interlayer.
Further, the cooling gas can be replaced by water bath cooling, and when the water bath cooling is adopted, a waterproof protective cover needs to be added to the lamp tube.
The sample gas collecting assembly 60 of the present invention is disposed at the other end of the reaction assembly 10, and is used for collecting the sheath gas and the reacted sample gas in the reaction chamber 11; specifically, the method comprises the following steps:
the sample gas collecting assembly 60 of the utility model comprises a conical sampling section 61, adopts a conical structure, collects sample gas at the center, and does not affect the laminar flow state and the speed distribution of sheath gas and sample gas; a sample gas sampling port 62 is arranged on the conical tip of the conical sampling section 61; an external connecting pipe is arranged at the conical tip of the conical sampling section 61, and a temperature and humidity sensor 63 is arranged on the external connecting pipe, so that the temperature and humidity of the gas can be detected, the speed of the gas cannot be influenced, and the gas is prevented from forming a vortex at the end head to influence various gas states in the reaction chamber; the big end face of the cone-shaped sampling section 61 is connected with the end flange of the reaction chamber 11, and the inner cavity of the cone-shaped sampling section 61 is communicated with the reaction chamber 11.
The support assembly 70 of the present invention is installed below the reaction assembly 10 for supporting the reaction assembly 10; the method specifically comprises the following steps:
the utility model discloses a supporting component 70 is including supporting fixing base 71 and platform 72, and reaction unit 10 installs on platform 72 through supporting fixing base 71, and movable caster 73 is installed to the bottom of platform 72.
The utility model discloses a photochemistry flow pipe device's application method does:
1. selecting a reaction cavity with a proper volume according to requirements, and then assembling a plurality of selected reaction cavities 11 with reaction cavity outer covers 12 together to form a reaction assembly 10; wherein, the reaction assembly 10 is internally provided with a simulation illumination assembly 40;
2. mounting the reaction block 10 on the support block 70;
3. a sheath gas protection component 20 and a sample gas inlet component 30 are arranged at one end of the reaction component 10, and a sample gas collection component 60 is arranged at the other end; a gas cooling assembly 50 is connected to the cooling interface of the reaction assembly 10;
4. after the installation is finished, a photochemical flow tube device is formed;
5. introducing sheath gas at the sheath gas inlet 22, passing the sample gas at the sample gas inlet 32, forming a laminar flow protective layer on the wall of the reaction chamber 11 at the sheath gas inlet 22, and wrapping the sample gas in the laminar flow protective layer;
6. the simulated illumination assembly 40 is turned on to perform simulated illumination, and the gas cooling assembly 50 can be selected to be turned on to perform cooling; simulating photochemical reaction of the sample gas;
7. after the reaction is completed, the sample gas is collected through the sample gas sampling port 62 for subsequent analysis.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A photochemical flow tube apparatus comprising:
the reaction assembly is a reaction chamber or a plurality of reaction chambers connected in a sectional manner, and a reaction chamber outer cover is arranged outside the reaction chamber and surrounds the reaction chamber to form a partition layer for simulating illumination and cooling;
the sheath gas protection assembly is arranged at one end of the reaction assembly and is used for introducing sheath gas into the reaction chamber, and the sheath gas forms a laminar flow protection layer around the wall of the reaction chamber;
the sample gas inlet assembly is arranged at one end of the reaction assembly, is positioned in the sheath gas protection assembly, is used for introducing the sample gas into the reaction chamber, and is arranged in a laminar flow protection layer formed by the sheath gas;
the simulated illumination component is arranged in the interlayer of the reaction component and is used for simulating monochromatic illumination or composite illumination so as to enable the reaction sample gas to be fully and uniformly illuminated;
the gas cooling assembly penetrates through the reaction assembly and is used for introducing cooling gas into the interlayer of the reaction assembly to adjust the temperature of the reaction chamber;
the sample gas acquisition assembly is arranged at the other end of the reaction assembly and used for acquiring sheath gas in the reaction chamber and sample gas after reaction.
2. The optical chemical flow tube apparatus of claim 1, wherein said reaction chamber and said reaction chamber housing have flanges at both ends, and a securing rib is disposed between said flanges;
and the flange plate is provided with a central hole for the sheath gas and the sample gas in the reaction chamber to pass through and a gas passing hole for the cooling gas to pass through.
3. The photochemical flow tube apparatus of claim 2, wherein the sheath gas guard assembly comprises a conical barrel guard section;
a plurality of sheath gas inlets are uniformly distributed on the conical small end surface of the conical cylinder protection section;
the large cylindrical end face of the conical cylinder protection section is connected to a flange plate at the end part of the reaction chamber, and the inner cavity of the conical cylinder protection section is communicated with the reaction chamber;
be equipped with sheath gas buffering area and guide plate in the toper section of thick bamboo protection section for evenly distributed sheath gas reduces the initial velocity of flow of sheath gas, finally reaches a stable speed.
4. The photochemical flow tube apparatus of claim 3, wherein the sample gas inlet assembly comprises a conical cartridge gas inlet section, the conical cartridge gas inlet section being disposed concentrically with the conical cartridge guard section;
a sample gas inlet is arranged on the small conical end surface of the gas inlet section of the conical cylinder;
the large cylindrical end face of the air inlet section of the conical cylinder is connected to a flange plate at the end part of the reaction chamber, and the inner cavity of the air inlet section of the conical cylinder is communicated with the reaction chamber.
5. The optical chemical flow tube apparatus of claim 4, wherein a sample gas mixing fin set is disposed in the gas inlet section of the conical barrel for thorough mixing of the sample gas.
6. The optical chemical flow tube apparatus of claim 2, wherein said simulated light assembly comprises a light tube and a light tube holder, said light tube being disposed within said partition, said light tube holder being mounted to an end flange of said reaction chamber, said light tube being mounted to said light tube holder.
7. The optical chemical flow tube apparatus of claim 2, wherein the gas cooling assembly comprises a cooling gas inlet and a cooling gas outlet;
the cooling gas inlet is arranged on a flange plate at one end of the reaction assembly, the cooling gas outlet is arranged on a flange plate at the other end of the reaction assembly, and the cooling gas inlet and the cooling gas outlet are communicated with the interlayer.
8. The photochemical flow tube apparatus of claim 2, wherein the sample gas collection assembly comprises a conical sampling section;
a sample gas sampling port is arranged on the conical tip of the conical sampling section;
an external pipe is mounted at the conical tip of the conical sampling section, and a temperature and humidity sensor is mounted on the external pipe and used for detecting the temperature and the gas humidity in the reaction chamber;
the big end face of the toper of toper sampling section is connected on the tip ring flange of reaction chamber, the inner chamber of toper sampling section with reaction chamber communicates with each other.
9. The photochemical flow tube apparatus of claim 2, further comprising:
the supporting component is arranged below the reaction component and used for supporting the reaction component.
10. The optical chemical flow tube apparatus of claim 9, wherein said support assembly comprises a support mount and a platform;
the reaction assembly is installed on the platform through the supporting fixing seat, and movable trundles are installed at the bottom of the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499888.2U CN210815197U (en) | 2019-09-10 | 2019-09-10 | Photochemical flow pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499888.2U CN210815197U (en) | 2019-09-10 | 2019-09-10 | Photochemical flow pipe device |
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| Publication Number | Publication Date |
|---|---|
| CN210815197U true CN210815197U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499888.2U Active CN210815197U (en) | 2019-09-10 | 2019-09-10 | Photochemical flow pipe device |
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| CN (1) | CN210815197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433749A (en) * | 2019-09-10 | 2019-11-12 | 北京康威能特环境技术有限公司 | A kind of photochemistry flowing pipe device |
-
2019
- 2019-09-10 CN CN201921499888.2U patent/CN210815197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433749A (en) * | 2019-09-10 | 2019-11-12 | 北京康威能特环境技术有限公司 | A kind of photochemistry flowing pipe device |
| CN110433749B (en) * | 2019-09-10 | 2024-08-02 | 北京康威能特环境技术有限公司 | Photochemical flow tube device |
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