CN203882518U - Improved sodium peroxide and carbon dioxide reaction experiment demonstration device - Google Patents
Improved sodium peroxide and carbon dioxide reaction experiment demonstration device Download PDFInfo
- Publication number
- CN203882518U CN203882518U CN201420313989.7U CN201420313989U CN203882518U CN 203882518 U CN203882518 U CN 203882518U CN 201420313989 U CN201420313989 U CN 201420313989U CN 203882518 U CN203882518 U CN 203882518U
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- China
- Prior art keywords
- vertical tube
- tube
- sodium peroxide
- carbon dioxide
- diameter
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Abstract
The utility model provides an improved sodium peroxide and carbon dioxide reaction experiment demonstration device. The device comprises a U-shaped tube, the U-shaped tube comprises a vertical tube I, a vertical tube II and a bottom tube, the vertical tube II is connected with a fixed tube disposed over the vertical tube II, the diameter of the fixed tube is greater than the diameter of the vertical tube II, the bottom of the fixed tube is provided with a copper wire fixing mesh, and the radius of the copper wire fixing mesh is not less than the diameter of the vertical tube II. Through clever arrangement and reasonable combination, energy changes of the experiment process is visually reflected; and the device has the advantages of simple structure, convenient operation, the obvious effect, good safety and environmental protection, and is in favor of cultivating students' learning interests and building an active learning atmosphere.
Description
Technical field
The utility model belongs to chemical demonstrator experimental teaching field, relates in particular to a kind of improved sodium peroxide and carbon dioxide reaction experimental demonstration device.
Background technology
At present, in chemical experiment, the experiment that sodium peroxide and carbon dioxide reaction can generate oxygen does not relate to, this is the critical nature of sodium peroxide, but phenomenon confirms by experiment, is unfavorable for like this cultivating student's learning interest, is unfavorable for improving teaching efficiency.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of chemistry teaching demonstrating experiment device, is particularly useful for sodium peroxide and carbon dioxide reaction experimental demonstration device.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of improved sodium peroxide and carbon dioxide reaction experimental demonstration device, comprise U-shaped pipe, described U-shaped pipe comprises vertical tube one, vertical tube two and bottom tube, described vertical tube one, described vertical tube two is connected by described bottom tube, described vertical tube one top is provided with rubber plug, in the middle of described rubber plug, be provided with circular hole, constant pressure funnel stretches in described U-shaped pipe by described circular hole, described constant pressure funnel is provided with cock, described vertical tube two is connected with side's placed on it stationary pipes, the diameter of described stationary pipes is greater than the diameter of described vertical tube two, described stationary pipes bottom is provided with copper wire fixed network, the radius of described copper wire fixed network is not less than the diameter of described vertical tube two.
Described Circularhole diameter mates with the recess diameter size of described constant pressure funnel.
Described copper wire fixed network top is made as the absorbent cotton that dips sodium peroxide powder.
In described bottom tube, be provided with the block solid of calcium carbonate.
Described stationary pipes and described vertical tube two are glass material integrated formed structure.
This practicality, by the combination of setting and science cleverly, reflects the energy variation of experimentation intuitively, and this practicality has simple in structure, easy to operate, successful, the advantage of safety, environmental protection, contributes to cultivate student's learning interest and builds positive Learning atmosphere.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
In figure:
1, U-shaped pipe 2, rubber plug 3, constant pressure funnel
4, cock 5, copper wire fixed network 6, absorbent cotton
7, bracing frame 8, the block solid 9 of calcium carbonate, stationary pipes
Embodiment
As shown in Figure 1, a kind of improved sodium peroxide and carbon dioxide reaction experimental demonstration device, comprise U-shaped pipe 1, U-shaped pipe 1 comprises vertical tube one, vertical tube two and bottom tube, described vertical tube one, described vertical tube two is connected by described bottom tube, described vertical tube one top is provided with rubber plug 2, in the middle of rubber plug 2, be provided with circular hole, constant pressure funnel 3 stretches in vertical tube one by described circular hole, described Circularhole diameter mates with the recess diameter size of constant pressure funnel 3, constant pressure funnel 3 is provided with cock 4, vertical tube two is connected with side's placed on it stationary pipes 9, the diameter of stationary pipes 9 is greater than the diameter of vertical tube two, stationary pipes 9 is glass material integrated formed structure with vertical tube two.In constant pressure funnel 3, be placed with quantitative rare HCl solution, U-shaped pipe 1 bottom is provided with the block solid 8 of calcium carbonate; Stationary pipes 9 bottoms are provided with copper wire fixed network 5, and the radius of copper wire fixed network 5 is more than or equal to the diameter of vertical tube two, and copper wire fixed network 5 tops are the absorbent cotton 6 that dips sodium peroxide powder.
This device is placed into device on bracing frame 7 in the time of demonstration, add the block solid 8 of calcium carbonate to U-shaped pipe 1, rare HCl solution adds from 3 mouthfuls of constant pressure funnel, cock 4 can be controlled the inlet of rare HCl solution, the carbon dioxide producing reacts with sodium peroxide fully and generates oxygen, oxygen has combustibility, can make the rapid zoom of absorbent cotton 6 burning.
In the time that needs are demonstrated sodium peroxide and carbon dioxide reaction experiment, this practicality is by the combination of setting and science cleverly, reflect intuitively the energy variation of experimentation, this practicality has simple in structure, easy to operate, successful, the advantage of safety, environmental protection, contributes to cultivate student's learning interest and builds positive Learning atmosphere.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (5)
1. an improved sodium peroxide and carbon dioxide reaction experimental demonstration device, it is characterized in that: comprise U-shaped pipe, described U-shaped pipe comprises vertical tube one, vertical tube two and bottom tube, described vertical tube one, described vertical tube two is connected by described bottom tube, described vertical tube one top is provided with rubber plug, in the middle of described rubber plug, be provided with circular hole, constant pressure funnel stretches in described U-shaped pipe by described circular hole, described constant pressure funnel is provided with cock, described vertical tube two is connected with side's placed on it stationary pipes, the diameter of described stationary pipes is greater than the diameter of described vertical tube two, described stationary pipes bottom is provided with copper wire fixed network, the radius of described copper wire fixed network is not less than the diameter of described vertical tube two.
2. the improved sodium peroxide of one according to claim 1 and carbon dioxide reaction experimental demonstration device, is characterized in that: described Circularhole diameter mates with the recess diameter size of described constant pressure funnel.
3. the improved sodium peroxide of one according to claim 2 and carbon dioxide reaction experimental demonstration device, is characterized in that: described copper wire fixed network top is made as the absorbent cotton that dips sodium peroxide powder.
4. the improved sodium peroxide of one according to claim 3 and carbon dioxide reaction experimental demonstration device, is characterized in that: described bottom tube inner bottom part is provided with the block solid of calcium carbonate.
5. the improved sodium peroxide of one according to claim 4 and carbon dioxide reaction experimental demonstration device, is characterized in that: described stationary pipes and described vertical tube two are glass material integrated formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313989.7U CN203882518U (en) | 2014-06-13 | 2014-06-13 | Improved sodium peroxide and carbon dioxide reaction experiment demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313989.7U CN203882518U (en) | 2014-06-13 | 2014-06-13 | Improved sodium peroxide and carbon dioxide reaction experiment demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882518U true CN203882518U (en) | 2014-10-15 |
Family
ID=51682994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313989.7U Expired - Fee Related CN203882518U (en) | 2014-06-13 | 2014-06-13 | Improved sodium peroxide and carbon dioxide reaction experiment demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882518U (en) |
-
2014
- 2014-06-13 CN CN201420313989.7U patent/CN203882518U/en not_active Expired - Fee Related
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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: 20141015 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |