CN211955204U - Photocatalytic material in-situ infrared pond system - Google Patents
Photocatalytic material in-situ infrared pond system Download PDFInfo
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- CN211955204U CN211955204U CN202020729407.9U CN202020729407U CN211955204U CN 211955204 U CN211955204 U CN 211955204U CN 202020729407 U CN202020729407 U CN 202020729407U CN 211955204 U CN211955204 U CN 211955204U
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Abstract
The utility model relates to a photocatalysis material normal position infrared pond system, this system is including arranging normal position infrared sample transmission cell, external light source and the gas control system on the interior base of Fourier transform infrared spectrometer sample room in. The in-situ infrared sample transmission tank comprises a tank body, a sample bracket and a heating coil; a sample bracket is arranged in the heating coil; the pool body is provided with a cooling water inlet and a cooling water outlet which are connected with the water cooling machine; the cooling water inlet and the cooling water outlet are connected together through a condensing coil; the rear wall of the tank body is provided with a reaction gas inlet and a reaction gas outlet which are connected together through a gas control system; the front wall of the tank body is provided with an illumination window; the side wall of the pool body is symmetrically provided with transmission windows; the gas control system comprises a gas distribution system connected with a gas cylinder and a mechanical pump connected with a vacuum tube; the external light source comprises a light source controller, a light source generator and an ultraviolet lamp light source probe; the ultraviolet lamp light source probe is arranged on the illumination window. The utility model discloses can realize illumination real-time supervision.
Description
Technical Field
The utility model relates to a photocatalysis technical field especially relates to a infrared pond system of photocatalysis material normal position.
Background
The infrared spectroscopy is an analysis method for determining the molecular structure of a substance and identifying a compound according to information such as relative vibration between atoms in a molecule, molecular rotation and the like, and is applied to the fields of materials science, polymer chemistry, biology, environmental science and the like. Sufficient solar energy can be utilized by photocatalysis to decompose water to produce hydrogen and degrade various organic pollutants, and CO can be used2Reducing the carbon into organic low-carbon fuel is one of the most ideal technical approaches for solving the energy and environmental problems faced by the present day. At present, an infrared spectrometer can only carry out conventional analysis on the molecular structure of a photocatalytic material, cannot carry out real-time monitoring on the molecular structure of the photocatalytic material in an illumination process, and cannot realize real-time detection and characterization of a photocatalytic reaction mechanism in illumination.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a realize illumination real-time supervision's infrared pond system of photocatalysis material normal position is provided.
In order to solve the problem, the utility model relates to a photocatalysis material normal position infrared pond system, its characterized in that: the system comprises an in-situ infrared sample transmission cell, an external light source and a gas control system, wherein the in-situ infrared sample transmission cell is arranged on a base in a sample chamber of the Fourier transform infrared spectrometer; the in-situ infrared sample transmission tank comprises a tank body with a top cover, a sample support connected with the top cover and a heating coil arranged in the tank body; the sample bracket is arranged in the heating coil; a cooling water inlet and a cooling water outlet which are connected with the water cooler are formed in one side wall of the pool body and the top cover; the cooling water inlet and the cooling water outlet are connected together through a condensing coil arranged in the tank body; the rear wall of the tank body is provided with a reaction gas inlet and a reaction gas outlet which are connected together through the gas control system; the front wall of the tank body is provided with an illumination window; the side wall of the pool body is symmetrically provided with transmission windows; the gas control system comprises a gas distribution system connected with a gas cylinder and a mechanical pump connected with a vacuum tube; the gas distribution system is connected with the reaction gas inlet through a pipeline I; the vacuum tube is connected with the reaction gas outlet through a pipeline II; the external light source comprises a light source controller, a light source generator and an ultraviolet lamp light source probe; one end of the light source generator is connected with the light source controller, and the other end of the light source generator is connected with the ultraviolet lamp light source probe; the ultraviolet lamp light source probe is arranged on the illumination window.
The base is connected with an accessory connecting port of the infrared spectrometer.
And a temperature control probe connected with a temperature controller is arranged on the heating coil.
And the pipeline I and the pipeline II are both provided with three-way valves.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses in be equipped with external light source, can carry out the real-time supervision of illumination process to the photocatalytic material in the test procedure, the analysis photocatalytic material is at the structural change of illumination in-process, divides the analytic group structure in peak to analytic normal position infrared catalysis's reaction mechanism, the real-time detection and the sign of photocatalytic reaction mechanism when realizing illumination.
2. The utility model discloses a control light source generator control illumination time sets up scanning frequency through Fourier transform infrared spectrometer transmission procedure simultaneously, effectively catches a series of spectrograms of the middle reactant and the resultant of photocatalytic material.
3. The utility model discloses there is the three-way valve control in normal position infrared pond system side, and external gas control system that can the controlled flow, consequently, can stable control pressure, realize the reaction control under dynamic or static condition.
4. Will the utility model discloses link to each other with infrared spectrometer, through the middle reactant of monitoring, can obtain complete monitoring data, distinguish spectrogram characteristic group structure, accurate judgement target product.
5. The utility model discloses in through setting up external light source, gas control system and heating coil, not only can carry out the structural analysis of photocatalysis material, but also can carry out the survey of solid surface acid-base centrality, metal catalyst's chemical characterization, the active phase research of catalyst, the metal-carrier interaction research within a definite time utilizes probe molecule to carry out the photocatalysis normal position characterization like CO, NO etc..
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a base; 2-a tank body; 3-sample holder; 4-heating coil; 5-cooling water inlet; 6-cooling water outlet; 7-inlet of reaction gas; 8-reaction gas outlet; 9-light window; 10-a transmission window; 11-temperature controller; 12-a gas cylinder; 13-a gas distribution system; 14-a mechanical pump; 15-a light source controller; 16 — a light source generator; 17-ultraviolet lamp light source probe.
Detailed Description
As shown in figure 1, the system comprises an in-situ infrared sample transmission cell, an external light source and a gas control system, wherein the in-situ infrared sample transmission cell is arranged on a base 1 in a sample chamber of a Fourier transform infrared spectrometer.
The in-situ infrared sample transmission tank comprises a tank body 2 with a top cover, a sample support 3 connected with the top cover and a heating coil 4 arranged in the tank body 2; a sample bracket 3 is arranged in the heating coil 4; a side wall and a top cover of the tank body 2 are both provided with a cooling water inlet 5 and a cooling water outlet 6 which are connected with a water cooler; a cooling water inlet 5 and a cooling water outlet 6 are connected together through a condensing coil arranged in the tank body 2; the rear wall of the tank body 2 is provided with a reaction gas inlet 7 and a reaction gas outlet 8 which are connected together through a gas control system; the front wall of the tank body 2 is provided with a sapphire material illumination window 9; the side wall of the tank body 2 is symmetrically provided with transmission (zinc selenide) windows 10.
The gas control system comprises a gas distribution system 13 connected with a gas bottle 12 and a mechanical pump 14 connected with a vacuum tube; the gas distribution system 13 is connected with the reaction gas inlet 7 through a pipeline I; the vacuum tube is connected to the reaction gas outlet 8 via line II.
The external light source comprises a light source controller 15, a light source generator 16 and an ultraviolet lamp light source probe 17; one end of the light source generator 16 is connected with the light source controller 15, and the other end is connected with the ultraviolet lamp light source probe 17; the ultraviolet lamp light source probe 17 is arranged on the illumination window 9.
Wherein: the base 1 is connected with an accessory connector of the infrared spectrometer.
The heating coil 4 is provided with a temperature control probe connected with a temperature controller 11.
And the pipeline I and the pipeline II are both provided with three-way valves.
A knob is arranged on the top cover of the tank body 2 so as to be convenient for sealing.
The using method comprises the following steps: firstly, opening the infrared spectrometer, calling a transmission program mode, and connecting the base 1 with an accessory connector of the infrared spectrometer. And opening the top cover, taking out the sample support 3, loading the pressed sample, placing the sample into the in-situ infrared sample transmission cell, and screwing the top cover knob.
And opening a water cooler and a temperature controller 11, leading out the reaction gas from a gas distribution system 13 to enter an in-situ infrared sample transmission cell, leading the reaction gas to enter the surface of a sample according to the set flow and pressure, and then discharging the reaction gas from a reaction gas outlet 8. If the sample needs to be subjected to vacuum treatment, the cell body 2 can be vacuumized through the vacuum tube by controlling the three-way valve.
Finally, placing the ultraviolet lamp light source probe 17 in the illumination window 9, turning on the light source controller 15, and irradiating the emitted light to the surface of the sample through the ultraviolet lamp light source probe 17; meanwhile, infrared light in the fourier transform infrared spectrometer is irradiated to the surface of the sample through the transmission window 10. And after the pretreatment of the sample is finished, the illumination monitoring can be carried out, and a series of illumination process spectrograms are collected. And after the detection is finished, the ultraviolet lamp light source probe 17, the temperature controller 11, the gas distribution system 13 and the water cooling machine are sequentially turned off.
The in-situ infrared pond system can measure the acid-base centrality of the solid surface by adsorbing pyridine or carbon dioxide; by using CO as a probe molecule, the surface chemical properties of the metal catalyst can be characterized, such as metal-carrier interaction; photocatalytic processes, such as the photoreduction of carbon dioxide, can also be studied.
Claims (4)
1. The utility model provides a photocatalysis material normal position infrared pond system which characterized in that: the system comprises an in-situ infrared sample transmission cell, an external light source and a gas control system, wherein the in-situ infrared sample transmission cell is arranged on a base (1) in a sample chamber of a Fourier transform infrared spectrometer; the in-situ infrared sample transmission tank comprises a tank body (2) with a top cover, a sample support (3) connected with the top cover and a heating coil (4) arranged in the tank body (2); the sample support (3) is arranged in the heating coil (4); a cooling water inlet (5) and a cooling water outlet (6) which are connected with a water cooler are arranged on one side wall of the tank body (2) and the top cover; the cooling water inlet (5) and the cooling water outlet (6) are connected together through a condensing coil arranged in the tank body (2); the rear wall of the tank body (2) is provided with a reaction gas inlet (7) and a reaction gas outlet (8) which are connected together through the gas control system; the front wall of the tank body (2) is provided with an illumination window (9); the side wall of the tank body (2) is symmetrically provided with transmission windows (10); the gas control system comprises a gas distribution system (13) connected with a gas bottle (12) and a mechanical pump (14) connected with a vacuum tube; the gas distribution system (13) is connected with the reaction gas inlet (7) through a pipeline I; the vacuum tube is connected with the reaction gas outlet (8) through a pipeline II; the external light source comprises a light source controller (15), a light source generator (16) and an ultraviolet lamp light source probe (17); one end of the light source generator (16) is connected with the light source controller (15), and the other end of the light source generator is connected with the ultraviolet lamp light source probe (17); the ultraviolet lamp light source probe (17) is arranged on the illumination window (9).
2. The in-situ infrared pool system of photocatalytic material of claim 1, wherein: the base (1) is connected with an accessory connecting port of the infrared spectrometer.
3. The in-situ infrared pool system of photocatalytic material of claim 1, wherein: and a temperature control probe connected with a temperature controller (11) is arranged on the heating coil (4).
4. The in-situ infrared pool system of photocatalytic material of claim 1, wherein: and the pipeline I and the pipeline II are both provided with three-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020729407.9U CN211955204U (en) | 2020-05-07 | 2020-05-07 | Photocatalytic material in-situ infrared pond system |
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| CN202020729407.9U CN211955204U (en) | 2020-05-07 | 2020-05-07 | Photocatalytic material in-situ infrared pond system |
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| CN211955204U true CN211955204U (en) | 2020-11-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697722A (en) * | 2020-12-02 | 2021-04-23 | 武汉理工大学 | Transmission type multipurpose multivariable coupling in-situ optical absorption testing device and method |
| CN112945854A (en) * | 2021-02-03 | 2021-06-11 | 武汉理工大学 | Multivariable coupling in-situ optical reflection and conductance testing device and testing method |
| CN113624708A (en) * | 2020-05-07 | 2021-11-09 | 中国科学院兰州化学物理研究所 | Photocatalytic material in-situ infrared pond system |
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2020
- 2020-05-07 CN CN202020729407.9U patent/CN211955204U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624708A (en) * | 2020-05-07 | 2021-11-09 | 中国科学院兰州化学物理研究所 | Photocatalytic material in-situ infrared pond system |
| CN112697722A (en) * | 2020-12-02 | 2021-04-23 | 武汉理工大学 | Transmission type multipurpose multivariable coupling in-situ optical absorption testing device and method |
| CN112945854A (en) * | 2021-02-03 | 2021-06-11 | 武汉理工大学 | Multivariable coupling in-situ optical reflection and conductance testing device and testing method |
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