CN208003919U - A kind of anthraquinone hydrogenation catalyst evaluating apparatus - Google Patents
A kind of anthraquinone hydrogenation catalyst evaluating apparatus Download PDFInfo
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- CN208003919U CN208003919U CN201721790041.0U CN201721790041U CN208003919U CN 208003919 U CN208003919 U CN 208003919U CN 201721790041 U CN201721790041 U CN 201721790041U CN 208003919 U CN208003919 U CN 208003919U
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- hydrogenation catalyst
- evaluating apparatus
- anthraquinone hydrogenation
- filled column
- inlet tube
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Abstract
The utility model discloses a kind of anthraquinone hydrogenation catalyst evaluating apparatus, including filled column, insulation jacket, return duct, anthraquinone hydrogenation catalyst is loaded inside the filled column, the filled column both ends are reticular structure, and filled column both ends are separately connected inlet tube and outlet, hydrogenation pipe is connected to one end that filled column is connected directly with inlet tube by inlet tube, and the both ends of return duct are separately connected inlet tube and outlet, and the insulation jacket is wrapped on the outer wall of filled column.The evaluating apparatus is simple in structure, easily operated, and evaluation data can effecting reaction catalyst performance.
Description
Technical field
The utility model is related to a kind of anthraquinone hydrogenation catalyst evaluating apparatus, and hydrogen peroxide is produced especially suitable for anthraquinone hydrogenation
Use catalyst test apparatus.
Background technology
Anthraquinone hydrogenation technique is the link of most critical in anthraquinone Hydrogen Peroxide Production, wherein palladium Al catalysts are current anthracenes
The most important catalyst of quinone hydrogenation technique.Use for laboratory palladium Al catalysts evaluating apparatus is catalyst research and development, production, using process
In the key equipment that must all use, main function is：Quickly, accurately, the Hydrogenation of easy evaluation palladium Al catalysts,
Anthraquinone transformation efficiency, anthraquinone degradation products content.
Chinese patent (application number CN201420800663.7) discloses a kind of to be commented for the miniature of anthraquinone hydrogenation catalyst
Valence device, including autoclave, magneton, heating coil, catalyst basket, the autoclave are that the cylindric of sealing is held
Device.The evaluating apparatus catalyst frame is arranged in autoclave, since hydrogen is evenly dispersed by the high speed rotation of magneton, improves
The dissolving and diffusion of hydrogen also results in hydrogen partial and is easy filling to the region between autoclave and catalyst frame
It is interior so that part material has no idea to be reacted, and wastes hydrogen partial, so that detection data is unstable, repeats
Property is poor.
Industry Hydrogen Peroxide Production generally uses anthraquinone hydrogenation technique at present, and palladium catalyst is the core of this technique productions.It urges
The on-road efficiency of the quality of agent performance directly determination device.A kind of new anthraquinone hydrogenation catalyst evaluating apparatus thus is provided,
There is preferable guiding value to experimental study and test of product performance.
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 anthraquinone hydrogenation catalyst and comments
Valence device, simple in structure, easily operated, evaluation data can effecting reaction catalyst performance.
To achieve the goals above, the technical solution of the utility model is：
A kind of anthraquinone hydrogenation catalyst evaluating apparatus, including filled column, insulation jacket, return duct, inside the filled column
Anthraquinone hydrogenation catalyst is loaded, the filled column both ends are reticular structure, and filled column both ends are separately connected inlet tube and outlet
Pipe, hydrogenation pipe are connected to one end that filled column is connected directly with inlet tube by inlet tube, and the both ends of return duct are separately connected
Inlet tube and outlet, the insulation jacket are wrapped on the outer wall of filled column.
Preferably, including surge flask, the surge flask are connect with outlet.
Preferably, one end of the filled column includes packing layer, anthraquinone hydrogenation catalyst layer and filler successively to the other end
Layer.
It is further preferred that the glass marble that the filler in described filler layer is a diameter of 2~3mm.
Preferably, including heating equipment, the heat medium of heating equipment flow into insulation jacket.
Preferably, material is glass.
Preferably, inlet tube opens up sample tap.
It is further preferred that including oxygen cylinder, the injection port of oxygen cylinder connects sample tap.
Still more preferably, the shape of the oxygen cylinder is identical as separatory funnel shape.
Still more preferably, aeration tube is inserted into the oxygen cylinder, the sudden and violent air pipe outlet is spherical shape, spherical surface
Open up the hole of 10~50 0.5mm.
The beneficial effects of the utility model：
1. being heat medium using circulating hot water, directly heated by chuck, temperature controls ± 0.1 DEG C, and precision is high.
2. using unstripped gas as power source, add meter return duct, realizes automatic back flow cycle.
3. gas vent designs surge flask, recyclable air-flow passes through the working solution carried secretly when filler and liquid level.
4. evaluating apparatus is easy to operate, data stabilization, reproducible.
5, evaluating apparatus uses glass material, can intuitively observe bed response situation.
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 evaluating apparatus structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of oxygen cylinder；
Wherein, 1, surge flask, 2, filled column, 3, insulation jacket, 4, return duct, 5, sampling valve, 6, hydrogenation pipe, 7, air inlet
Valve, 8, water-bath heater, 9, sudden and violent tracheae, 10, oxygen cylinder.
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, exist in the prior art that detection data is unstable, deficiency of poor repeatability, in order to
Technical problem as above is solved, present applicant proposes a kind of anthraquinone hydrogenation catalyst evaluating apparatus.
A kind of exemplary embodiment of the application, provides a kind of anthraquinone hydrogenation catalyst evaluating apparatus, including filled column,
Anthraquinone hydrogenation catalyst is loaded in insulation jacket, return duct, the filled column inside, and the filled column both ends are reticular structure, and
Filled column both ends are separately connected inlet tube and outlet, and hydrogenation pipe is connected to by inlet tube is connected directly filler with inlet tube
The both ends of one end of column, return duct are separately connected inlet tube and outlet, and the insulation jacket is wrapped on the outer wall of filled column.
The gas outlet of hydrogenation pipe and return duct one end nozzle are connected to different location by the application, can prevent part hydrogen
Gas enters in return duct, while so that liquid charging stock is realized automatic back flow between filled column and return duct by power source of hydrogen
Cycle, to keep detection data more stable, improves the repeatability of detection data.
Gas carries working solution secretly in order to prevent, it is preferred that including surge flask, the surge flask is connect with outlet.
In order to which anthraquinone hydrogenation catalyst is fixed in filled column, it is preferred that one end of the filled column to the other end according to
Secondary includes packing layer, anthraquinone hydrogenation catalyst layer and packing layer.
It is further preferred that the glass marble that the filler in described filler layer is a diameter of 2~3mm.
Preferably, including heating equipment, the heat medium of heating equipment flow into insulation jacket.
Preferably, material is glass.
In order to facilitate sampling, it is preferred that inlet tube opens up sample tap.
In order to facilitate the effect of evaluation catalyst, it is further preferred that including oxygen cylinder, the injection port connection of oxygen cylinder takes
Sample mouth.Still more preferably, the shape of the oxygen cylinder is identical as separatory funnel shape.
Still more preferably, aeration tube is inserted into the oxygen cylinder, the sudden and violent air pipe outlet is spherical shape, spherical surface
Open up the hole of 10~50 0.5mm.
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 1
A kind of anthraquinone hydrogenation catalyst evaluating apparatus, material are glass, and structure is as shown in Figure 1, including filled column 2, heat preservation
Chuck 3, return duct 4, one end of filled column, successively including packing layer, anthraquinone hydrogenation catalyst layer and packing layer, are filled out to the other end
The glass marble that filler in the bed of material is a diameter of 2~3mm, wherein packing layer 2cm, anthraquinone hydrogenation catalyst layer are 15cm.It fills out
2 both ends of stock column are reticular structure, and 2 both ends of filled column are separately connected inlet tube and outlet, and hydrogenation pipe 6 is connected by inlet tube
It is connected to one end that filled column 2 is connected directly with inlet tube, the both ends of return duct 4 are separately connected inlet tube and outlet, thermal insulation clamp
Set 3 is wrapped on the outer wall of filled column, and the water after water-bath heater 8 heats flows into insulation jacket 3.Further include surge flask 1,
Surge flask 1 is connect with outlet.Inlet tube opens up sample tap, and the connecting pipe of sample tap is equipped with sampling valve 5.Hydrogenation pipe 6
Equipped with intake valve 7.
Its application method is：
1, a kind of anthraquinone hydrogenation catalyst evaluating apparatus is erect and is placed, made under inlet tube row, outlet is upward.
2, water-bath heater is opened, the water after heating is flowed into insulation jacket, is passed through hydrogen at an established temperature
Prereduction is carried out to catalyst.
3, anthraquinone working solution is prepared to obtain by the addition of filled column outlet, until working solution is to return duct filled column upper end.
4, think to be passed through hydrogen in filled column by hydrogenation pipe.Wait for that working solution reaches required temperature in filled column.It is passed through hydrogen
Gas makes bubble uniformly through filled column by intake valve adjusting gas flow.
5,5~20mL of working solution after answering is negated from sample tap every 20min, is taken altogether 3~5 times.
Embodiment 2
The present embodiment is same as Example 1, the difference is that, further include oxygen cylinder 10, as shown in Fig. 2, oxygen cylinder
Injection port connects sample tap.The shape of oxygen cylinder is identical as separatory funnel shape.Aeration tube 9, sudden and violent tracheae 9 are inserted into oxygen cylinder 10
Gas outlet is spherical shape, and spherical surface opens up the hole of 10~50 0.5mm.
10~50mL deionized waters are added into oxygen cylinder, oxygen cylinder is added in the working solution of taking-up.Logical oxygen carries out oxygen
Change to working solution and becomes light yellow transparent liquid.Water phase hydrogen peroxide concentration is analyzed, catalyst hydrogen effect is calculated.
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 anthraquinone hydrogenation catalyst evaluating apparatus, characterized in that including filled column, insulation jacket, return duct, the filler
Anthraquinone hydrogenation catalyst is loaded inside column, the filled column both ends are reticular structure, and filled column both ends are separately connected inlet tube
And outlet, hydrogenation pipe are connected to one end that filled column is connected directly with inlet tube, the both ends point of return duct by inlet tube
Not Lian Jie inlet tube and outlet, the insulation jacket is wrapped on the outer wall of filled column.
2. anthraquinone hydrogenation catalyst evaluating apparatus as described in claim 1, characterized in that including surge flask, the surge flask
It is connect with outlet.
3. anthraquinone hydrogenation catalyst evaluating apparatus as described in claim 1, characterized in that one end of the filled column is to another
End includes packing layer, anthraquinone hydrogenation catalyst layer and packing layer successively.
4. anthraquinone hydrogenation catalyst evaluating apparatus as claimed in claim 3, characterized in that the filler in described filler layer is straight
Diameter is the glass marble of 2~3mm.
5. anthraquinone hydrogenation catalyst evaluating apparatus as described in claim 1, characterized in that including heating equipment, heating equipment
Heat medium flow into insulation jacket.
6. anthraquinone hydrogenation catalyst evaluating apparatus as described in claim 1, characterized in that material is glass.
7. anthraquinone hydrogenation catalyst evaluating apparatus as described in claim 1, characterized in that inlet tube opens up sample tap.
8. anthraquinone hydrogenation catalyst evaluating apparatus as claimed in claim 7, characterized in that including oxygen cylinder, oxygen cylinder into
Sample mouth connects sample tap.
9. anthraquinone hydrogenation catalyst evaluating apparatus as claimed in claim 8, characterized in that the shape of the oxygen cylinder and liquid separation
Funnel shaped is identical.
10. anthraquinone hydrogenation catalyst evaluating apparatus as claimed in claim 8, characterized in that be inserted into aeration in the oxygen cylinder
Pipe, the aeration tube gas outlet are spherical shape, and spherical surface opens up the hole of 10~50 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790041.0U CN208003919U (en) | 2017-12-19 | 2017-12-19 | A kind of anthraquinone hydrogenation catalyst evaluating apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790041.0U CN208003919U (en) | 2017-12-19 | 2017-12-19 | A kind of anthraquinone hydrogenation catalyst evaluating apparatus |
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| CN208003919U true CN208003919U (en) | 2018-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441465A (en) * | 2019-07-22 | 2019-11-12 | 鲁西催化剂有限公司 | A kind of anthraquinone hydrogenation catalyst selective evaluation device and evaluation method |
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2017
- 2017-12-19 CN CN201721790041.0U patent/CN208003919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441465A (en) * | 2019-07-22 | 2019-11-12 | 鲁西催化剂有限公司 | A kind of anthraquinone hydrogenation catalyst selective evaluation device and evaluation method |
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