CN212111290U - Deoxidation catalyst activity detection device - Google Patents
Deoxidation catalyst activity detection device Download PDFInfo
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- CN212111290U CN212111290U CN202020473965.3U CN202020473965U CN212111290U CN 212111290 U CN212111290 U CN 212111290U CN 202020473965 U CN202020473965 U CN 202020473965U CN 212111290 U CN212111290 U CN 212111290U
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Abstract
The utility model provides a deoxidation catalyst activity detection device, which comprises a reactor, a cold trap and an X-ray diffractometer; the reactor comprises an outer pipe and a thermocouple sleeve, the thermocouple sleeve is arranged in the outer pipe, a reducing gas inlet and a reaction liquid inlet are arranged on the reactor, and a deoxidation catalyst is filled between the outer pipe and the thermocouple sleeve; the cold trap comprises a reactant inlet and a reactant outlet, and the reactant inlet is connected with the reactor. The utility model provides a can detect deoxidation catalyst activity detection device of deoxidation catalyst deoxidation activity.
Description
Technical Field
The utility model belongs to the technical field of catalyst activity detects, especially, relate to a deoxidation catalyst activity detection device.
Background
The deoxidation catalyst is used for deoxidation generally in a hydrogenation mode, desiccant particles are prepared by mixing hydrogen, a desiccant and the like, the deoxidation catalyst generates water through the reaction of hydrogen and oxygen, the oxygen in a sealed container is removed, substances in the sealed container are reduced to react with the oxygen, the substances in the container deteriorate, the deoxidation catalyst can be used in numerous fields at present, but the deoxidation catalyst can be used along with the increase of service life, dust and other viscous substances can be adsorbed on the surface of the deoxidation catalyst, sample storage can cause the activity of the deoxidation catalyst to be weakened, and finally the deoxidation catalyst can fail.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can detect deoxidation catalyst activity detection device of deoxidation catalyst deoxidation activity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a deoxidation catalyst activity detection device comprises a reactor, a cold trap and an X-ray diffractometer; the reactor comprises an outer pipe and a thermocouple sleeve, the thermocouple sleeve is arranged in the outer pipe, a reducing gas inlet and a reaction liquid inlet are arranged on the reactor, and a deoxidation catalyst is filled between the outer pipe and the thermocouple sleeve; the cold trap comprises a reactant inlet and a reactant outlet, and the reactant inlet is connected with the reactor.
Preferably, the upper end of the reactor is provided with a mounting flange, the mounting flange is provided with a thermocouple mounting port, and the reaction liquid inlet is formed in the mounting flange.
Preferably, the reaction liquid inlet is connected with a reaction liquid inlet pipe, and the reaction liquid inlet pipe is provided with a advection pump.
Preferably, a temperature sensor is arranged in the reactor, the temperature sensor is connected with a controller, and the controller is connected with the thermocouple.
Preferably, the reducing gas inlet is provided at a lower portion of the outer pipe.
Preferably, the reducing gas inlet is connected with a reducing gas inlet pipe, the reducing gas inlet pipe is provided with a pressure pump, the reactor is internally provided with an air pressure sensor, the air pressure sensor is connected with a controller, and the controller is connected with the pressure pump.
After the technical scheme is adopted, the utility model has the advantages of as follows:
the utility model discloses a deoxidation catalyst activity detection device can detect deoxidation catalyst deoxidation activity, and detection method is as follows:
under normal pressure, filling a deoxidation catalyst in a reactor, reducing in situ for 1.5-2.5 h in a reducing gas atmosphere at 350-450 ℃, reducing to the reaction temperature, increasing the system pressure to 3.5-4.5 MPa, and introducing a reaction liquid into the reactor by using an advection pump for reaction. After the reaction is stable for a period of time, collecting the reactant condensed by the cold trap, and analyzing the sample by an X-ray diffractometer.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a device for detecting the activity of a deoxygenation catalyst according to the present invention;
FIG. 2 is a schematic structural view of a reactor according to the present invention;
in the figure:
1-a reactor; 11-an outer tube; 12-thermocouple well casing; 13-a thermocouple; 14-reducing gas inlet; 15-reaction liquid inlet; a 16-deoxygenation catalyst; 2-cold trap; 21-reactant inlet; 22-a reactant outlet; 3-a reaction liquid inlet pipe; 4-advection pump; 5-reducing gas inlet pipe; 6-pressure pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the deoxygenation catalyst activity detection device comprises a reactor 1, a cold trap 2 and an X-ray diffractometer. In this embodiment, an X-ray diffractometer is used for XRD characterization, and a Cu target and Ni filter are used.
The reactor 1 comprises an outer tube 11 and a thermocouple well 12, the thermocouple well 12 is arranged in the outer tube 11, and a thermocouple 13 is arranged in the thermocouple well 12. A deoxygenation catalyst 16 is filled between the outer tube 11 and the thermocouple well 12.
The reactor 1 is provided with a reducing gas inlet 14 and a reaction liquid inlet 15, and the reducing gas inlet 14 is arranged at the lower part of the outer pipe 11. In this example, the reducing gas is hydrogen.
The upper end of the reactor 1 is provided with a mounting flange 17, the mounting flange 17 is provided with a thermocouple mounting port 171, and the reaction liquid inlet 15 is arranged on the mounting flange 17. The reaction liquid inlet 15 is connected with a reaction liquid inlet pipe 3, and the reaction liquid inlet pipe 3 is provided with a advection pump 4. In this example, in order to simulate hydrodeoxygenation of a fischer-tropsch oil, an alcohol and acid heptane solution was used as a reaction solution. The heptane is saturated alkane, does not react with the oxide, can be mixed and dissolved in any ratio, is convenient for mixing and feeding, and can be used for easily analyzing the product after reaction.
The reducing gas inlet 14 is connected with a reducing gas inlet pipe 5, and a booster pump 6 is arranged on the reducing gas inlet pipe 5. An air pressure sensor is arranged in the reactor 1 and is connected with a controller, and the controller is connected with a pressure pump 6. The pressure sensor is used for detecting the pressure in the reactor 1, and the controller controls the booster pump 6 to make the pressure in the reactor 1 reach the pressure required by the reaction.
A temperature sensor is arranged in the reactor 1 and is connected with a controller, and the controller is connected with a thermocouple 13. The temperature sensor is used for detecting the temperature in the reactor 1, and the controller controls the thermocouple 13 to make the temperature in the reactor 1 reach the temperature required by the reaction.
The cold trap 2 comprises a reactant inlet 21 and a reactant outlet 22, and the reactant inlet 21 is connected with the reactor 1. The cold trap 2 is a trap that traps gas in a condensed manner on a cooled surface.
The utility model is used for deoxidation catalyst activity detects, and the detection method is as follows:
under normal pressure, filling a deoxidation catalyst in a reactor, reducing in situ for 1.5-2.5 h in a reducing gas atmosphere at 350-450 ℃, reducing to the reaction temperature, increasing the system pressure to 3.5-4.5 MPa, and introducing a reaction liquid into the reactor by using an advection pump for reaction. After the reaction is stable for a period of time, collecting the reactant condensed by the cold trap, and analyzing the sample by an X-ray diffractometer.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (6)
1. The deoxygenation catalyst activity detection device is characterized by comprising a reactor (1), a cold trap (2) and an X-ray diffractometer; the reactor (1) comprises an outer pipe (11) and a thermocouple sleeve (12), the thermocouple sleeve (12) is arranged in the outer pipe (11), a thermocouple (13) is arranged in the thermocouple sleeve (12), a reducing gas inlet (14) and a reaction liquid inlet (15) are arranged on the reactor (1), and a deoxygenation catalyst (16) is filled between the outer pipe (11) and the thermocouple sleeve (12); the cold trap (2) comprises a reactant inlet (21) and a reactant outlet (22), and the reactant inlet (21) is connected with the reactor (1).
2. The deoxygenation catalyst activity detection device of claim 1, wherein a mounting flange (17) is provided at an upper end of the reactor (1), the mounting flange (17) is provided with a thermocouple mounting port (171), and the reaction liquid inlet (15) is provided on the mounting flange (17).
3. The deoxygenation catalyst activity detection device of claim 1 or 2, wherein the reaction solution inlet (15) is connected to a reaction solution inlet pipe (3), and a advection pump (4) is arranged on the reaction solution inlet pipe (3).
4. The deoxygenation catalyst activity detection device of claim 1, wherein a temperature sensor is disposed within the reactor, the temperature sensor being connected to a controller, the controller being connected to the thermocouple (13).
5. The deoxygenation catalyst activity detection device of claim 1, wherein the reducing gas inlet (14) is disposed at a lower portion of the outer tube (11).
6. The deoxygenation catalyst activity detection device of claim 1 or 5, wherein the reducing gas inlet (14) is connected to a reducing gas inlet pipe (5), a pressure pump (6) is disposed on the reducing gas inlet pipe (5), a pressure sensor is disposed in the reactor (1), the pressure sensor is connected to a controller, and the controller is connected to the pressure pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473965.3U CN212111290U (en) | 2020-04-03 | 2020-04-03 | Deoxidation catalyst activity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473965.3U CN212111290U (en) | 2020-04-03 | 2020-04-03 | Deoxidation catalyst activity detection device |
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| Publication Number | Publication Date |
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| CN212111290U true CN212111290U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020473965.3U Active CN212111290U (en) | 2020-04-03 | 2020-04-03 | Deoxidation catalyst activity detection device |
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| Country | Link |
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| CN (1) | CN212111290U (en) |
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2020
- 2020-04-03 CN CN202020473965.3U patent/CN212111290U/en active Active
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