CN106710400A - Experimental device for quickly investigating corrosion condition of iron - Google Patents
Experimental device for quickly investigating corrosion condition of iron Download PDFInfo
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- CN106710400A CN106710400A CN201510418127.XA CN201510418127A CN106710400A CN 106710400 A CN106710400 A CN 106710400A CN 201510418127 A CN201510418127 A CN 201510418127A CN 106710400 A CN106710400 A CN 106710400A
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- tube
- wireway
- drying
- rubber stopper
- thin wire
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Abstract
The invention provides an experimental device for quickly investigating a corrosion condition of iron. The device is characterized in that the device is formed by a wide mouth bottle (1) containing manganese dioxide, a double-hole rubber plug (3), a separatory funnel (4) containing hydrogen peroxide, a first gas-guide tube (5), a first latex tube (6), a second gas-guide tube (7), a second latex tube (8), a first drying tube (9) containing calcium chloride, a first single-hole rubber plug (11), a Y-shaped tube (12), a third latex tube (13), a first spring clamp (14), a second drying tube (16) containing a wet thin iron wire 1, a fourth latex tube (17), a third drying tube (19) containing a dry thin iron wire, a second single-hole rubber plug (20), a third gas-guide tube (21), a fifth latex tube (22), a second spring clamp (23), and a fourth drying tube (25) containing a wet thin iron wire 2. A teaching material device has the defect of a long experiment time. The experimental device of the invention has the advantage of a short experiment time.
Description
First, technical field
The invention belongs to chemical field, it is related to a kind of chemical experiment device, particularly probes into the experiment of the corrosion condition of iron on junior middle school chemistry textbook for demonstrating.
2nd, background technology
2012
Year
1
The ninth grade chemistry textbook that month Shanghai education publishing house publishes the
127
Page probes into the corrosion experiment of iron, is so demonstration in textbook：Take
5
Piece rustless iron nail of cleaning, is respectively put into
5
In branch test tube, following experiment is carried out.
1
, add a small amount of drier test tube is 1. middle, then put a dry cotton ball, iron nail is placed on dry cotton ball, stopper rubber stopper；
2
, test tube 2. in fill the boiling water of rapid cooling, be totally submerged iron nail, stopper rubber stopper；
3
, add a small amount of distilled water test tube is 3. middle, make the half of iron nail submerged in water；
4
, test tube 4. it is middle add dilute sulfuric acid or acetum, submergence iron nail after, remove solution；
5
, add a small amount of sodium chloride solution test tube is 5. middle, the half of iron nail is submerged in the solution.The corrosion condition existing defects of iron are so probed into teaching material：Experimental period is long, to spend several days time just it is observed that phenomenon, it is impossible to this experiment is completed on classroom.Textbook experiment device is improved, shortens experimental period, the experiment for probing into the corrosion condition of iron is completed on classroom, improve classroom efficiency.
3rd, the content of the invention
Present invention aim at a kind of experimental provision of the quick corrosion condition for probing into iron is provided, experimental period is greatly shortened, improve classroom efficiency.Make device be applicable not only to do lecture experiment on classroom, but also grouping experiment is done suitable for student.
The purpose of the present invention is realized by the following method：
A kind of experimental provision of the quick corrosion condition for probing into iron, it is characterized in that：It is by equipped with manganese dioxide powder（
2
）Wide-mouth bottle（
1
）, rubber stopper with double hole（
3
）, the separatory funnel equipped with hydrogenperoxide steam generator（
4
）, the first wireway（
5
）, the first emulsion tube（
6
）, the second wireway（
7
）, the second emulsion tube（
8
）, equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）, the first single hole rubber stopper（
11
）、
Y
Shape pipe（
12
）, the 3rd emulsion tube（
13
）, the first spring clip（
14
）, the thin wire one equipped with moist light（
15
）The second drying tube（
16
）, the 4th emulsion tube（
17
）, equipped with dry light thin wire（
18
）The 3rd drying tube（
19
）, the second single hole rubber stopper（
20
）, the 3rd wireway（
21
）, the 5th emulsion tube（
22
）, second spring folder（
23
）, the thin wire two equipped with moist light（
24
）The 4th drying tube（
25
）Composition.
In rubber stopper with double hole（
3
）Upper slotting first wireway（
5
）And separatory funnel（
4
）, with the first wireway（
5
）And separatory funnel（
4
）Rubber stopper with double hole（
3
）Stopper equipped with manganese dioxide powder（
2
）Wide-mouth bottle（
1
）.First emulsion tube（
6
）Connection rubber stopper with double hole（
3
）First wireway of outer end（
5
）With the second wireway（
7
）One end, the second emulsion tube（
8
）Connect the second wireway（
7
）The other end and equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Less that end pipe mouthful.
Y
Shape pipe（
12
）House steward and the first single hole rubber stopper（
11
）Connection, band
Y
Shape pipe（
12
）The first single hole rubber stopper（
11
）Stopper equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Larger that end pipe mouthful.The first spring clip of band（
14
）The 3rd emulsion tube（
13
）Will be equipped with the thin wire one of moist light（
15
）The second drying tube（
16
）With
Y
Shape pipe（
12
）A branch pipe couple together.4th emulsion tube（
17
）Will be equipped with drying the thin wire of light（
18
）The 3rd drying tube（
19
）Less that end pipe mouthful with
Y
Shape pipe（
12
）Another branch pipe couple together.The 3rd wireway of band（
21
）The second single hole rubber stopper（
20
）Stopper equipped with the thin wire for drying light（
18
）The 3rd drying tube（
19
）Larger that end pipe mouthful.Band second spring folder（
23
）The 5th emulsion tube（
22
）Will be equipped with the thin wire two of moist light（
24
）The 4th drying tube（
25
）Less that end pipe mouthful is coupled together.
Experimentation：Connect instrument, the air-tightness of check device.In wide-mouth bottle（
1
）Middle loading characteristic of modest manganese powder（
2
）, in rubber stopper with double hole（
3
）Upper slotting first wireway（
5
）And separatory funnel（
4
）, with the first wireway（
5
）And separatory funnel（
4
）Rubber stopper with double hole（
3
）Stopper equipped with manganese dioxide powder（
2
）Wide-mouth bottle（
1
）.First emulsion tube（
6
）Connection rubber stopper with double hole（
3
）First wireway of outer end（
5
）With the second wireway（
7
）One end.By appropriate anhydrous calcium chloride（
10
）Put into the first drying tube（
9
）In, the second emulsion tube（
8
）Connect the second wireway（
7
）The other end and equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Less that end pipe mouthful.
Y
Shape pipe（
12
）House steward and the first single hole rubber stopper（
11
）Connection, band
Y
Shape pipe（
12
）The first single hole rubber stopper（
11
）Stopper equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Larger that end pipe mouthful.By the thin wire one of moist light（
15
）Put into the second drying tube（
16
）In, the first spring clip of band（
14
）The 3rd emulsion tube（
13
）Will be equipped with the thin wire one of moist light（
15
）The second drying tube（
16
）With
Y
Shape pipe（
12
）A branch pipe couple together.The thin wire of light will be dried（
18
）Put into the 3rd drying tube（
19
）In, the 4th emulsion tube（
17
）Will be equipped with drying the thin wire of light（
18
）The 3rd drying tube（
19
）Less that end pipe mouthful with
Y
Shape pipe（
12
）Another branch pipe couple together.The 3rd wireway of band（
21
）The second single hole rubber stopper（
20
）Stopper equipped with the thin wire for drying light（
18
）The 3rd drying tube（
19
）Larger that end pipe mouthful.By the thin wire two of moist light（
24
）Put into the 4th drying tube（
25
）In, band second spring folder（
23
）The 5th emulsion tube（
22
）Will be equipped with the thin wire two of moist light（
24
）The 4th drying tube（
25
）Less that end couples together.During experiment, the first spring clip is opened（
14
）, close second spring folder（
23
）, then toward separatory funnel（
4
）In plus hydrogenperoxide steam generator, open separatory funnel（
4
）Switch, allow proper amount of hydrogen peroxide solution to flow to wide-mouth bottle（
1
）In, hydrogenperoxide steam generator and wide-mouth bottle（
1
）In manganese dioxide powder contact produce a large amount of bubbles immediately, this is oxygen, and the oxygen of generation passes through the first wireway（
5
）With the second wireway（
7
）Enter the first drying tube afterwards（
9
）, the first drying tube（
9
）In anhydrous calcium chloride（
10
）There is very strong water imbibition, so from the first drying tube（
9
）Oxygen out is dry, and dry oxygen passes through
Y
Shape pipe（
12
）Branch pipe enter the thin wire one equipped with moist light（
15
）The second drying tube in, after a few minutes, the second drying tube（
16
）The thin wire one of middle moist light（
15
）Surface becomes gloomy, generation corrosion, and the 3rd drying tube（
19
）The thin wire of middle dry light（
18
）With the 4th drying tube（
25
）In humidity light thin wire two（
24
）Surface is still bright, without generation corrosion.Then, the first spring clip is closed（
14
）, open second spring folder（
23
）, continue logical oxygen, a few minutes, the 4th drying tube（
25
）The thin wire two of middle moist light（
24
）Surface is dimmed, and corrosion also occurs, and the 3rd drying tube（
19
）The thin wire of middle dry light（
18
）Surface is still bright, without generation corrosion.Above-mentioned phenomenon fully proves the corrosion of iron, and actually iron is with the coefficient result of oxygen gas and water, and the corrosion of iron is also relevant with the concentration of oxygen, and the concentration of oxygen is bigger, and the speed of iron rust erosion is also faster.
Beneficial effects of the present invention are：The corrosion condition of iron is probed into invention, material is easy to get, assembling is simple, operation is easy, and experimental period is short, phenomenon substantially, improves classroom efficiency.Highly versatile of the present invention, had both been applicable on classroom and had done lecture experiment, student is applicable again and does grouping experiment.
4th, illustrate
Figure
1
It is structure chart of the invention.
Mark in figure is represented respectively：
（
1
）Wide-mouth bottle
（
2
）Manganese dioxide powder
（
3
）Rubber stopper with double hole
（
4
）Separatory funnel equipped with hydrogenperoxide steam generator（
5
）First wireway
（
6
）First emulsion tube
（
7
）Second wireway
（
8
）Second emulsion tube
（
9
）First drying tube
（
10
）Anhydrous calcium chloride
（
11
）First single hole rubber stopper
（
12
）
Y
Shape pipe
（
13
）3rd emulsion tube
（
14
）First spring clip
（
15
）The thin wire one of moist light
（
16
）Second drying tube
（
17
）4th emulsion tube
（
18
）Dry the thin wire of light
（
19
）3rd drying tube
（
20
）Second single hole rubber stopper
（
21
）3rd wireway
（
22
）5th emulsion tube
（
23
）Second spring is pressed from both sides
（
24
）The thin wire two of moist light（
25
）4th drying tube
5th, specific embodiment
With reference to specific embodiment, the invention will be further described：
A kind of experimental provision of the quick corrosion condition for probing into iron, it is characterized in that：It is by equipped with manganese dioxide powder（
2
）Wide-mouth bottle（
1
）, rubber stopper with double hole（
3
）, the separatory funnel equipped with hydrogenperoxide steam generator（
4
）, the first wireway（
5
）, the first emulsion tube（
6
）, the second wireway（
7
）, the second emulsion tube（
8
）, equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）, the first single hole rubber stopper（
11
）、
Y
Shape pipe（
12
）, the 3rd emulsion tube（
13
）, the first spring clip（
14
）, the thin wire one equipped with moist light（
15
）The second drying tube（
16
）, the 4th emulsion tube（
17
）, equipped with dry light thin wire（
18
）The 3rd drying tube（
19
）, the second single hole rubber stopper（
20
）, the 3rd wireway（
21
）, the 5th emulsion tube（
22
）, second spring folder（
23
）, the thin wire two equipped with moist light（
24
）The 4th drying tube（
25
）Composition.
In rubber stopper with double hole（
3
）Upper slotting first wireway（
5
）And separatory funnel（
4
）, with the first wireway（
5
）And separatory funnel（
4
）Rubber stopper with double hole（
3
）Stopper equipped with manganese dioxide powder（
2
）Wide-mouth bottle（
1
）.First emulsion tube（
6
）Connection rubber stopper with double hole（
3
）First wireway of outer end（
5
）With the second wireway（
7
）One end, the second emulsion tube（
8
）Connect the second wireway（
7
）The other end and equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Less that end pipe mouthful.
Y
Shape pipe（
12
）House steward and the first single hole rubber stopper（
11
）Connection, band
Y
Shape pipe（
12
）The first single hole rubber stopper（
11
）Stopper equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Larger that end pipe mouthful.The first spring clip of band（
14
）The 3rd emulsion tube（
13
）Will be equipped with the thin wire one of moist light（
15
）The second drying tube（
16
）Less that end pipe mouthful with
Y
Shape pipe（
12
）A branch pipe couple together.4th emulsion tube（
17
）Will be equipped with drying the thin wire of light（
18
）The 3rd drying tube（
19
）With
Y
Shape pipe（
12
）Another branch pipe couple together.The 3rd wireway of band（
21
）The second single hole rubber stopper（
20
）Stopper equipped with the thin wire for drying light（
18
）The 3rd drying tube（
19
）That larger mouth of pipe.Band second spring folder（
23
）The 5th emulsion tube（
22
）Will be equipped with the thin wire two of moist light（
24
）The 4th drying tube（
25
）Less that end couples together.
Application method of the invention：Connect instrument, the air-tightness of check device.In wide-mouth bottle（
1
）Middle loading characteristic of modest manganese powder（
2
）, in rubber stopper with double hole（
3
）Upper slotting first wireway（
5
）And separatory funnel（
4
）, with the first wireway（
5
）And separatory funnel（
4
）Rubber stopper with double hole（
3
）Stopper equipped with manganese dioxide powder（
2
）Wide-mouth bottle（
1
）.First emulsion tube（
6
）Connection rubber stopper with double hole（
3
）First wireway of outer end（
5
）With the second wireway（
7
）One end.By appropriate anhydrous calcium chloride（
10
）Put into the first drying tube（
9
）In, the second emulsion tube（
8
）Connect the second wireway（
7
）The other end and equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Less that end pipe mouthful.
Y
Shape pipe（
12
）House steward and the first single hole rubber stopper（
11
）Connection, band
Y
Shape pipe（
12
）The first single hole rubber stopper（
11
）Stopper equipped with anhydrous calcium chloride（
10
）The first drying tube（
9
）Larger that end pipe mouthful.By the thin wire one of moist light（
15
）Put into the second drying tube（
16
）In, the first spring clip of band（
14
）The 3rd emulsion tube（
13
）Will be equipped with the thin wire one of moist light（
15
）The second drying tube（
16
）Less that end pipe mouthful with
Y
Shape pipe（
12
）A branch pipe couple together.The thin wire of light will be dried（
18
）Put into the 3rd drying tube（
19
）In, the 4th emulsion tube（
17
）Will be equipped with drying the thin wire of light（
18
）The 3rd drying tube（
19
）Less that end pipe mouthful with
Y
Shape pipe（
12
）Another branch pipe couple together.The 3rd wireway of band（
21
）The second single hole rubber stopper（
20
）Stopper equipped with the thin wire for drying light（
18
）The 3rd drying tube（
19
）Larger that end pipe mouthful.By the thin wire two of moist light（
24
）Put into the 4th drying tube（
25
）In, band second spring folder（
23
）The 5th emulsion tube（
22
）Will be equipped with the thin wire two of moist light（
24
）The 4th drying tube（
25
）Less that end couples together.During experiment, the first spring clip is opened（
14
）, close second spring folder（
23
）, then toward separatory funnel（
4
）In plus hydrogenperoxide steam generator, open separatory funnel（
4
）Switch, allow proper amount of hydrogen peroxide solution to flow to wide-mouth bottle（
1
）In, hydrogenperoxide steam generator and wide-mouth bottle（
1
）In manganese dioxide powder contact produce a large amount of bubbles immediately, this is oxygen, and the oxygen of generation passes through the first wireway（
5
）With the second wireway（
7
）Enter the first drying tube afterwards（
9
）, the first drying tube（
9
）In anhydrous calcium chloride（
10
）There is very strong water imbibition, so from the first drying tube（
9
）Place's oxygen out is dry, and dry oxygen passes through
Y
Shape pipe（
12
）Branch pipe enter the thin wire one equipped with moist light（
15
）The second drying tube in, after a few minutes, the second drying tube（
16
）The thin wire one of middle moist light（
15
）Surface becomes gloomy, and corrosion, the 3rd drying tube occur（
19
）The thin wire of middle dry light（
18
）With the 4th drying tube（
25
）In humidity light thin wire two（
24
）Surface is still bright, without generation corrosion.Then, the first spring clip is closed（
14
）, open second spring folder（
23
）, continue logical oxygen, a few minutes, the 4th drying tube（
25
）The thin wire two of middle moist light（
24
）Surface is dimmed, and corrosion also occurs, and the 3rd drying tube（
19
）The thin wire of middle dry light（
18
）Surface is still bright, without generation corrosion.Above-mentioned phenomenon fully proves the corrosion of iron, and actually iron is with the coefficient result of oxygen gas and water, and the corrosion of iron is also relevant with the concentration of oxygen, and the concentration of oxygen is bigger, and iron corrosion rate is faster.It is an advantage of the invention that：Material is easy to get, and assembling is simple, and operation is easy, and experimental period is greatly shortened, and phenomenon substantially, improves classroom efficiency；Highly versatile, had both been applicable on classroom and had done lecture experiment, student is applicable again and does grouping experiment.
Claims (1)
1. a kind of experimental provision of the quick corrosion condition for probing into iron, it is characterized in that：It is by equipped with manganese dioxide powder（2）Wide-mouth bottle（1）, rubber stopper with double hole（3）, the separatory funnel equipped with hydrogenperoxide steam generator（4）, the first wireway（5）, the first emulsion tube（6）, the second wireway（7）, the second emulsion tube（8）, equipped with anhydrous calcium chloride（10）The first drying tube（9）, the first single hole rubber stopper（11）, Y tube（12）, the 3rd emulsion tube（13）, the first spring clip（14）, the thin wire one equipped with moist light（15）The second drying tube（16）, the 4th emulsion tube（17）, equipped with dry light thin wire（18）The 3rd drying tube（19）, the second single hole rubber stopper（20）, the 3rd wireway（21）, the 5th emulsion tube（22）, second spring folder（23）, the thin wire two equipped with moist light（24）The 4th drying tube（25）Composition, in rubber stopper with double hole（3）Upper slotting first wireway（5）And separatory funnel（4）, with the first wireway（5）And separatory funnel（4）Rubber stopper with double hole（3）Stopper equipped with manganese dioxide powder（2）Wide-mouth bottle（1）, the first emulsion tube（6）Connection rubber stopper with double hole（3）First wireway of outer end（5）With the second wireway（7）One end mouth of pipe, the second emulsion tube（8）Connect the second wireway（7）The other end mouth of pipe and equipped with anhydrous calcium chloride（10）The first drying tube（9）Less that end pipe mouthful, Y tube（12）House steward and the first single hole rubber stopper（11）Connection, band Y tube（12）The first single hole rubber stopper（11）Stopper equipped with anhydrous calcium chloride（10）The first drying tube（9）Larger that end pipe mouthful, the first spring clip of band（14）The 3rd emulsion tube（13）Thin wire one of the connection equipped with moist light（15）The second drying tube（16）Less that end pipe mouthful and Y tube（12）A branch pipe, the 4th emulsion tube（17）Connection is equipped with the thin wire for drying light（18）The 3rd drying tube（19）Less that end pipe mouthful and Y tube（12）Another branch pipe, band the 3rd wireway（21）The second single hole rubber stopper（20）Stopper equipped with the thin wire for drying light（18）The 3rd drying tube（19）Larger that end pipe mouthful, band second spring folder（23）The 5th emulsion tube（22）Thin wire two of the connection equipped with moist light（24）The 4th drying tube（25）Less that end pipe mouthful and the second single hole rubber stopper（20）3rd wireway of outer end（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418127.XA CN106710400A (en) | 2015-07-16 | 2015-07-16 | Experimental device for quickly investigating corrosion condition of iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418127.XA CN106710400A (en) | 2015-07-16 | 2015-07-16 | Experimental device for quickly investigating corrosion condition of iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106710400A true CN106710400A (en) | 2017-05-24 |
Family
ID=58894354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510418127.XA Pending CN106710400A (en) | 2015-07-16 | 2015-07-16 | Experimental device for quickly investigating corrosion condition of iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110813196A (en) * | 2019-11-30 | 2020-02-21 | 陈序龙 | Gas experimental device and using method |
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|---|---|---|---|---|
| CN203616933U (en) * | 2013-12-24 | 2014-05-28 | 王江龙 | Rapid iron-rusting experiment presenting device |
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| CN204759875U (en) * | 2015-07-16 | 2015-11-11 | 林师龙 | Experimental device for probe corrosion condition of iron fast |
-
2015
- 2015-07-16 CN CN201510418127.XA patent/CN106710400A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203616933U (en) * | 2013-12-24 | 2014-05-28 | 王江龙 | Rapid iron-rusting experiment presenting device |
| CN204375304U (en) * | 2015-01-20 | 2015-06-03 | 林师龙 | The environment-friendly type experimental provision of a kind of sulphur and oxygen reaction |
| CN204759875U (en) * | 2015-07-16 | 2015-11-11 | 林师龙 | Experimental device for probe corrosion condition of iron fast |
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|---|---|---|---|---|
| CN110813196A (en) * | 2019-11-30 | 2020-02-21 | 陈序龙 | Gas experimental device and using method |
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