CN203588550U - Demonstrating device of catalytic mechanism in ethanol catalytic oxidation and ethanol catalytic product verification - Google Patents
Demonstrating device of catalytic mechanism in ethanol catalytic oxidation and ethanol catalytic product verification Download PDFInfo
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- CN203588550U CN203588550U CN201320799016.4U CN201320799016U CN203588550U CN 203588550 U CN203588550 U CN 203588550U CN 201320799016 U CN201320799016 U CN 201320799016U CN 203588550 U CN203588550 U CN 203588550U
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Abstract
The utility model belongs to the technical field of chemical teaching aids and relates to a demonstrating device of the catalytic mechanism of ethanol catalytic oxidation and ethanol catalytic product verification. The demonstrating device includes an iron stand (1), an alcohol lamp (2), a test tube (3), a test tube with a side tube (4), a spherical drying tube (5), an air bag (6), an inlet tube (7) and an air guide tube (8). The demonstrating device is characterized in that the alcohol lamp (2) is arranged on the iron stand (1); the test tube (3) which is connected with the iron stand (1) is arranged just above the alcohol lamp (2); one side of the opening end of the test tube (3) is provided with the spherical drying tube (5); the air bag (6) is arranged above the spherical drying tube (5); and the test tube with the side tube (4) is arranged below the spherical drying tube (5). The demonstrating device of the utility model is made from materials in daily life. The demonstrating device of the utility model is advantageous in low cost, easiness in manufacture and easiness in implementation. With the demonstrating device adopted, teachers and students can use the materials locally; the students can be attracted; difficulties in teaching can be reduced for the teacher; and teaching efficiency of each class can be improved.
Description
Technical field
The utility model belongs to chemical teaching aid technical field, is specifically related to catalytic mechanism in Catalytic oxidation of ethanol and verifies the apparatus for demonstrating of its product.
Background technology
Chemical experiment is the important method that student understands, studies the natural law, it is the basis of whole chemistry teaching, it is the main path of cultivating student's hands-on and thinking ability, also be the effective means that help student understands chemical key concept, ultimate principle, the forward position of quality-oriented education and innovative education and the basis of basic educational reform, precondition and guarantee especially.
Because chemical experiment and current techique practice, in conjunction with carrying out, can creativeness be carried out current techique teaching, can promote again the experimental teaching of New Curriculum of Chemistry; Designing Self-made Realia can cultivate student's innovation ability, improve its comprehensive attainment, homemade various teaching aid can supplement again the deficiency of existing instrument, so teaching aid that current techique practice and chemistry, chemical experiment innovation realization are merged, it has embodied design concept, Green Chemistry theory and the chemical knowledge principle of current techique, has really reached material and has been easy to get, makes simple, environmental protection, is easy to the standard promoted.This teaching aid is suitable for student to be made personally, to cultivate its innovation and integrated practice ability.
The catalytic of ethanol is one of important lecture experiment of middle school chemistry, in teaching, not to demonstrate complexity, the check of catalytic mechanism and product can not have been put together exactly, so just cause the time inadequate, so a kind of, complete the probing into and the checking of catalysate of catalytic oxidation mechanism of ethanol in can be at one time, allow student more know this reaction, simultaneously also for teacher gains time, make this device introduce the experiment used time, can strengthen interest, can produce fascinating effect, this situation of founding, bring out problem, extend and expand, the method of introducing new class can reduce the knowledge difficulty on teaching material, strengthen the teaching efficiency of this class.
Summary of the invention
It is a kind of simple in structure, practical strong that the purpose of this utility model will provide exactly, in can be at one time, complete the probing into and the checking of catalysate of catalytic oxidation mechanism of ethanol, and experimental phenomena is obvious, is convenient to catalytic mechanism in the Catalytic oxidation of ethanol of observation of students and verifies the apparatus for demonstrating of its product.
The utility model is achieved through the following technical solutions:
Catalytic mechanism and verify the apparatus for demonstrating of its product in Catalytic oxidation of ethanol, comprise that iron stand 1, spirit lamp 2, test tube 3, tool prop up test tube 4, spherical drying tube 5, air bag 6, draft tube 7 and wireway 8, it is characterized in that: on described iron stand 1, be placed with spirit lamp 2, directly over being positioned at spirit lamp 2, be provided with the test tube 3 being connected on iron stand 1, in test tube 3 openend one sides, be provided with spherical drying tube 5, above spherical drying tube 5, be provided with air bag 6, below spherical drying tube 5, be provided with tool and prop up test tube 4.
In described test tube 3, be also provided with the draft tube 7 being connected with air bag 6, wherein draft tube 7 penetrates test tube plug to test tube 3 middle parts.
Described wireway 8 one end penetrate test tube 3 test tube plugs, and its other end is connected with spherical drying tube 5.
The wireway 8 that draw described spherical drying tube 5 one end extends to tool always and props up test tube 4 bottoms.
Compared with prior art, the beneficial effects of the utility model are:
The beneficial effects of the utility model are: material source is in life, cost is lower, it is easy, simple to make, teacher, student gather materials on the spot, the geographical teaching aid aided education of doing it yourself to make can reach teaching efficiency directly perceived, vivid, lively, interesting equally, can attract student, also alleviate the difficulty of teacher in teaching, improved the efficiency of teaching of every class.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
In figure: iron stand 1, spirit lamp 2, test tube 3, tool prop up test tube 4, spherical drying tube 5, air bag 6, draft tube 7, wireway 8.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Catalytic mechanism and verify the apparatus for demonstrating of its product in Catalytic oxidation of ethanol, comprises that iron stand 1, spirit lamp 2, test tube 3, tool prop up test tube 4, spherical drying tube 5, air bag 6, draft tube 7 and wireway 8.
As shown in Figure 1, wherein on iron stand 1, be placed with spirit lamp 2, be provided with the test tube 3 being connected on iron stand 1 directly over being positioned at spirit lamp 2, in test tube 3 openend one sides, be provided with spherical drying tube 5, above spherical drying tube 5, be provided with air bag 6, below spherical drying tube 5, be provided with tool and prop up test tube 4.
Wherein in test tube 3, be also provided with the draft tube 7 being connected with air bag 6, draft tube 7 penetrates test tube plug to test tube 3 middle parts.
Wherein wireway 8 one end penetrate test tube 3 test tube plugs, and wireway 8 other ends are connected with spherical drying tube 5.
The wireway 8 that draw described spherical drying tube 5 one end extends to tool always and props up test tube 4 bottoms.
The utility model is when concrete use, in advance cotton mass is soaked into absolute ethyl alcohol, be placed on the bottom of test tube 3, at tool, prop up in test tube 4 and place bromine water, at test tube 3 front ends, near the mouth of pipe, place anhydrous cupric sulfate, in spherical drying tube 5, place soda-lime, at test tube 3 middle parts, place copper wire, start with spirit lamp 2, copper wire to be heated, and start in a moment to test tube 3, to utilize air bag 6 to blast air rhythmically at heating copper wire, after heating 3 a period of times of test tube, can see bright copper wire blackening, after a while, copper wire becomes light, again with air bag 6 to blasting air in test tube 3, now the copper wire of light becomes black again, so circulation, it is the process that blackening-brighten alternately appears in observable copper wire, the anhydrous cupric sulfate of test tube 3 mouths of pipe becomes blueness simultaneously, and the bromine water that tool props up in test tube 4 is faded.
Thereby the experimental result drawing is the effect that absolute ethyl alcohol has played catalytic oxidation in experimentation, when catalytic oxidation, also need certain temperature; From anhydrous cupric sulfate, turn blue phenomenon, can know absolute ethyl alcohol by inference and be oxidized to acetaldehyde.
The teaching efficiency that the utility model is directly perceived, interesting, can attract student, has also alleviated the difficulty of teacher in teaching, has improved the efficiency of teaching of every class.
Claims (4)
1. catalytic mechanism and verify the apparatus for demonstrating of its product in Catalytic oxidation of ethanol, comprise iron stand (1), spirit lamp (2), test tube (3), tool props up test tube (4), spherical drying tube (5), air bag (6), draft tube (7) and wireway (8), it is characterized in that: on described iron stand (1), be placed with spirit lamp (2), directly over being positioned at spirit lamp (2), be provided with the test tube (3) being connected on iron stand (1), in test tube (3) openend one side, be provided with spherical drying tube (5), in spherical drying tube (5) top, be provided with air bag (6), in spherical drying tube (5) below, be provided with tool and prop up test tube (4).
2. catalytic mechanism and verify the apparatus for demonstrating of its product in Catalytic oxidation of ethanol as claimed in claim 1, it is characterized in that: in described test tube (3), be also provided with the draft tube (7) being connected with air bag (6), wherein draft tube (7) penetrates test tube plug to test tube (3) middle part.
3. catalytic mechanism and verify the apparatus for demonstrating of its product in Catalytic oxidation of ethanol as claimed in claim 1, is characterized in that: described wireway (8) one end penetrates test tube (3) test tube plug, and its other end is connected with spherical drying tube (5).
4. catalytic mechanism and verify the apparatus for demonstrating of its product in Catalytic oxidation of ethanol as claimed in claim 1, is characterized in that: the wireway (8) that draw described spherical drying tube (5) one end extends to tool always and props up test tube (4) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799016.4U CN203588550U (en) | 2013-12-05 | 2013-12-05 | Demonstrating device of catalytic mechanism in ethanol catalytic oxidation and ethanol catalytic product verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799016.4U CN203588550U (en) | 2013-12-05 | 2013-12-05 | Demonstrating device of catalytic mechanism in ethanol catalytic oxidation and ethanol catalytic product verification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588550U true CN203588550U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320799016.4U Expired - Fee Related CN203588550U (en) | 2013-12-05 | 2013-12-05 | Demonstrating device of catalytic mechanism in ethanol catalytic oxidation and ethanol catalytic product verification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139737A (en) * | 2014-05-27 | 2015-12-09 | 林师龙 | Environment-friendly experimental device for heating ammonium bicarbonate and testing product of ammonium bicarbonate |
| CN105935614A (en) * | 2016-06-29 | 2016-09-14 | 江阴市正中科教器材有限公司 | Test tube support for class presentation |
-
2013
- 2013-12-05 CN CN201320799016.4U patent/CN203588550U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139737A (en) * | 2014-05-27 | 2015-12-09 | 林师龙 | Environment-friendly experimental device for heating ammonium bicarbonate and testing product of ammonium bicarbonate |
| CN105935614A (en) * | 2016-06-29 | 2016-09-14 | 江阴市正中科教器材有限公司 | Test tube support for class presentation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |