CN207742008U - A kind of dehydrogenation catalyst performance evaluation processing unit - Google Patents
A kind of dehydrogenation catalyst performance evaluation processing unit Download PDFInfo
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- CN207742008U CN207742008U CN201721790045.9U CN201721790045U CN207742008U CN 207742008 U CN207742008 U CN 207742008U CN 201721790045 U CN201721790045 U CN 201721790045U CN 207742008 U CN207742008 U CN 207742008U
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- degasifier
- dehydrogenation catalyst
- performance evaluation
- processing unit
- gas
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Abstract
The utility model discloses a kind of dehydrogenation catalyst performance evaluation processing units, include air humidifier successively by gas flow, hybrid heater and degasifier, the gas access of the air humidifier and hybrid heater is arranged at top, the gas access of the degasifier is arranged at top, the gas access of the degasifier is arranged in bottom, the gas access pipeline of the air humidifier connects nitrogen pipeline, hydrogen gas lines and air line, the gas access of the air humidifier and hybrid heater is arranged at bottom, the degasifier is tubular structure, dehydrogenation catalyst is filled inside the tubular structure.The apparatus structure is simple, can realize oxygen content 3% dehydrogenation catalyst below performance evaluation.
Description
Technical field
The utility model is related to a kind of dehydrogenation catalyst device for evaluating performance.
Background technology
It is commonly present some in petrochemical process and contains oxygen gas mixture, since there are mixed gas to recycle for oxygen
It utilizes, and increases the risk that gas phase fires.High-purity gas manufacturing process, there is also the feelings containing micro amount of oxygen in gaseous mixture
Condition so that gas purity cannot reach expectation index.It is micro to remove that the mode of catalytic deoxidation is mostly used faced with this situation
It is anti-so that catalysis occurs for the gases such as oxygen and hydrogen, the carbon monoxide in environment under the catalytic action of dehydrogenation catalyst for oxygen
It answers, to reduce the oxygen concentration in environment and then achieve the purpose that remove oxygen.
Chinese patent (application number CN201510496074.3) discloses a kind of hydrogenation deoxidation catalyst evaluating apparatus, mesh
Be for solve in the prior art can not on-line determination hydrogenation deoxidation efficiency, can not to detect hydrogenation deoxidation catalyst in time active
Problem.However hydrogen and oxygen are passed directly into blending bin by it, there are two types of components due to being contained only in gas, cannot achieve low
The performance evaluation of dehydrogenation catalyst when oxygen content.
Utility model content
In order to solve the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of dehydrogenation catalyst performance and comments
Valence device, the apparatus structure is simple, can realize oxygen content 3% dehydrogenation catalyst below performance evaluation.
To achieve the goals above, the technical scheme is that：
A kind of dehydrogenation catalyst device for evaluating performance, by gas flow successively include air humidifier, hybrid heater and
The gas access of degasifier, the air humidifier and hybrid heater is arranged at top, the gas access of the degasifier
Setting is at top, and in bottom, the gas access pipeline of the air humidifier connects nitrogen for the gas access setting of the degasifier
The gas access of gas pipeline, hydrogen gas lines and air line, the air humidifier and hybrid heater is arranged at bottom, institute
It is tubular structure to state degasifier, and dehydrogenation catalyst is filled inside the tubular structure.
Preferably, the hybrid heater is cylindrical tank, the cylindrical tank outer wall cladding heating mantle or electric heating
Cloth.
It is further preferred that the hybrid heater is internally provided with several baffle plates.
Preferably, the mode of heating of the hybrid heater is electrical heating.
Preferably, the pipeline that the hybrid heater is connect with degasifier is equipped with gas flowmeter.
Preferably, the pipeline that the hybrid heater is connect with degasifier is equipped with hydrogen analyser and oxygen analyser.
Preferably, catalyst layer height is the 2/3 of degasifier height in the degasifier.
Preferably, the top of catalyst layer is equipped with packing layer in the degasifier.
It is further preferred that the filler that described filler layer uses is spherical hollow filler.
Preferably, gas distributor is equipped at the gas access of the degasifier.
The beneficial effects of the utility model are：
1. the utility model is simple in structure, can realize oxygen content 3% dehydrogenation catalyst below performance evaluation.
2. nitrogen, hydrogen and air are added into air humidifier the utility model, after humidification, can not only incite somebody to action
Nitrogen, hydrogen and air are uniformly mixed, and are moisturized and be conducive to the performance of the catalytic performance of dehydrogenation catalyst in degasifier.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the structural schematic diagram of the application dehydrogenation catalyst device for evaluating performance；
Wherein, 1. air humidifier, 2. hybrid heaters, 3. degasifiers, 4. gas flowmeters, 5. hydrogen analysers, 6.
Oxygen analyser.
Specific implementation mode
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, the performance of dehydrogenation catalyst when cannot achieve low oxygen content exists in the prior art
The deficiency of evaluation, in order to solve technical problem as above, present applicant proposes a kind of dehydrogenation catalyst device for evaluating performance.
A kind of exemplary embodiment of the application provides a kind of dehydrogenation catalyst device for evaluating performance, by gas flow
Include air humidifier, hybrid heater and degasifier successively, the gas access of the air humidifier and hybrid heater is equal
Setting is at top, and at top, the gas access setting of the degasifier is described in bottom for the gas access setting of the degasifier
The gas access pipeline of air humidifier connects nitrogen pipeline, hydrogen gas lines and air line, the air humidifier and mixing
The gas access of heater is arranged at bottom, and the degasifier is tubular structure, fills deoxidation inside the tubular structure and urges
Agent.
Nitrogen, hydrogen and air are added into air humidifier the application, after humidification, can not only by nitrogen,
Hydrogen and air are uniformly mixed, and are moisturized and be conducive to the performance of the catalytic performance of dehydrogenation catalyst in degasifier, to
The performance evaluation of dehydrogenation catalyst when realizing low oxygen content.
Hybrid heater described herein is the equipment that can realize heating effect, due to the application be to gaseous mixture into
Row heating, in order to reinforce heating effect, the application is preferred, and the hybrid heater is cylindrical tank, the cylindrical tank
External wall cladding heating mantle or electric heating cloth.
In order to further strengthen the heating effect to mixed gas, the application is it is further preferred that the hybrid heater
It is internally provided with several baffle plates.The flow path for increasing mixed gas, to increase the heating time of mixed gas.
In order to reduce the performance evaluation time of dehydrogenation catalyst, the application is preferred, the heating side of the hybrid heater
Formula is electrical heating.
In order to keep the performance evaluation of dehydrogenation catalyst more accurate, the application is preferred, the hybrid heater and deoxidation
The pipeline of device connection is equipped with gas flowmeter.
Preferably, the pipeline that the hybrid heater is connect with degasifier is equipped with hydrogen analyser and oxygen analyser.
Preferably, catalyst layer height is the 2/3 of degasifier height in the degasifier.
Preferably, the top of catalyst layer is equipped with packing layer in the degasifier.It can make mixed gas by packing layer
It can be more uniformly through catalyst layer.
It is further preferred that the filler that described filler layer uses is spherical hollow filler.
In order to make mixed gas more uniformly pass through from dehydrogenation catalyst layer, to enhance catalytic efficiency, the application is preferred
, gas distributor is equipped at the gas access of the degasifier.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
Embodiment
A kind of dehydrogenation catalyst device for evaluating performance, as shown in Figure 1, including air humidifier 1 successively by gas flow, mixed
The gas access of conjunction heater 2 and degasifier 3, air humidifier 1 and hybrid heater 2 is arranged at top, the gas of degasifier 3
The setting of body entrance is at top, and in bottom, the gas access pipeline of air humidifier 1 connects nitrogen for the gas access setting of degasifier 3
The gas access of gas pipeline, hydrogen gas lines and air line, air humidifier 1 and hybrid heater 2 is arranged at bottom, deoxidation
Device 3 is tubular structure, and dehydrogenation catalyst is filled inside tubular structure.
Hybrid heater 2 is cylindrical tank, and the cylindrical tank outer wall coats electric heating cloth.Inside hybrid heater 2
Equipped with several baffle plates.The mode of heating of hybrid heater 2 is electrical heating.On the pipeline that hybrid heater 2 is connect with degasifier 3
Equipped with gas flowmeter 4.The pipeline that hybrid heater is connect with degasifier is equipped with hydrogen analyser 5 and oxygen analyser 6.
Catalyst layer height is the 2/3 of 3 height of degasifier in degasifier 3.The top of catalyst layer is equipped with and fills out in degasifier 3
The bed of material.Pressure detector and temperature detector are equipped in degasifier 3.3 outer wall of degasifier coats insulation jacket simultaneously.
The filler that packing layer uses is spherical hollow filler.
Gas distributor is equipped at the gas access of degasifier 3.
Its detection process is：Hydrogen, carrier nitrogen and it is located at air humidifier bottom with oxygen air intlet, gas mixing is equal
Even hydrogen and oxygen ratio meets after evaluation requires draws through air humidifier overhead line, enters hybrid heater by bottom, passes through
Cross and be heated to certain temperature, measured through gas flowmeter by top exit, hydrogen, oxygen analyzer analysis are qualified, through pipeline into
Enter and enter at the top of degasifier, gas through pipeline and carries out residual oxygen analysis by lower part after dehydrogenation catalyst layer carries out deoxygenation
After discharged.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of dehydrogenation catalyst performance evaluation processing unit, characterized in that include air humidifier successively by gas flow, mixed
The gas access of conjunction heater and degasifier, the air humidifier and hybrid heater is arranged at top, the degasifier
Gas access setting at top, the gas access of the degasifier is arranged in bottom, the gas access of the air humidifier
The gas access of pipeline connection nitrogen pipeline, hydrogen gas lines and air line, the air humidifier and hybrid heater is all provided with
It sets in bottom, the degasifier is tubular structure, and dehydrogenation catalyst is filled inside the tubular structure.
2. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that the hybrid heater is circle
Cylindricality tank body, the cylindrical tank outer wall cladding heating mantle or electric heating cloth.
3. dehydrogenation catalyst performance evaluation processing unit as claimed in claim 2, characterized in that inside the hybrid heater
Equipped with several baffle plates.
4. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that the hybrid heater adds
Hot mode is electrical heating.
5. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that the hybrid heater with it is de-
The pipeline of oxygen device connection is equipped with gas flowmeter.
6. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that the hybrid heater with it is de-
The pipeline of oxygen device connection is equipped with hydrogen analyser and oxygen analyser.
7. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that catalyst in the degasifier
Layer height is the 2/3 of degasifier height.
8. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that catalyst in the degasifier
The top of layer is equipped with packing layer.
9. dehydrogenation catalyst performance evaluation processing unit as claimed in claim 8, characterized in that described filler layer used fills out
Material is spherical hollow filler.
10. dehydrogenation catalyst performance evaluation processing unit as described in claim 1, characterized in that the gas of the degasifier
Inlet is equipped with gas distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721790045.9U CN207742008U (en) | 2017-12-19 | 2017-12-19 | A kind of dehydrogenation catalyst performance evaluation processing unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721790045.9U CN207742008U (en) | 2017-12-19 | 2017-12-19 | A kind of dehydrogenation catalyst performance evaluation processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164202A (en) * | 2018-11-09 | 2019-01-08 | 中国船舶重工集团公司第七八研究所 | A kind of solid catalyst evaluating apparatus and its application method |
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2017
- 2017-12-19 CN CN201721790045.9U patent/CN207742008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164202A (en) * | 2018-11-09 | 2019-01-08 | 中国船舶重工集团公司第七八研究所 | A kind of solid catalyst evaluating apparatus and its application method |
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