CN210073096U - Environment-friendly experimental device for demonstrating combustion of sulfur in oxygen - Google Patents
Environment-friendly experimental device for demonstrating combustion of sulfur in oxygen Download PDFInfo
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- CN210073096U CN210073096U CN201920422774.1U CN201920422774U CN210073096U CN 210073096 U CN210073096 U CN 210073096U CN 201920422774 U CN201920422774 U CN 201920422774U CN 210073096 U CN210073096 U CN 210073096U
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Abstract
The utility model provides an environment-friendly experimental apparatus for demonstrating sulfur burning in oxygen, its main characterized in that: the device is composed of a conical flask (2) filled with manganese dioxide (1), a first single-hole rubber plug (3), an injector (4) filled with hydrogen peroxide solution, a first air duct (5), a latex tube (6), a spring clamp (7), a second air duct (8), a combustion spoon (9) filled with sulfur powder (14), a second single-hole rubber plug (10), a balloon (11), a third air duct (12), a third single-hole rubber plug (13), and a wide-mouth bottle (16) provided with a hole dug on the wall of the middle upper part filled with fuchsin solution and magnesium strips (15). The experimental device for sulfur and oxygen reaction in textbooks has the following defects: is not environment-friendly and is not suitable for students to do grouping experiments. The utility model has the advantages that: safety and environmental protection; the device is not only suitable for teachers to perform demonstration experiments, but also suitable for students to perform grouping experiments.
Description
One, the technical field
The utility model belongs to a chemistry field relates to a chemistry experimental apparatus, and is specifically used for demonstrating the experiment that sulphur burns in oxygen on the chemistry textbook.
Second, background Art
The experiment of burning sulfur in oxygen on page 12 of a three-year primary middle school chemistry textbook of nine-year obligate education published by the people education press 2001, 3 months, is demonstrated in a textbook: a small amount of sulfur is put into a combustion spoon, heated until combustion occurs, and the phenomenon occurring when sulfur is combusted in the air is observed. Then a burning spoon containing burning sulfur is extended into a gas collecting bottle containing oxygen, and the phenomenon of sulfur burning in oxygen is observed to compare what the sulfur burning in air is different from that in oxygen. The textbook device has defects in experiments: sulfur dioxide generated after sulfur combustion is easy to leak in air to pollute the environment; the experimental facility in textbook is not suitable for students to do grouping experiment.
Third, the contents of the utility model
The utility model aims to provide an environment-friendly experimental device for demonstrating the combustion of sulfur in oxygen. The utility model discloses not only be applicable to the teacher and do the demonstration experiment on the classroom, still be applicable to the student and do grouping experiment to can reduce environmental pollution.
The purpose of the utility model is realized by the following method:
the utility model provides an environmental protection type experimental apparatus of demonstration sulphur burning in oxygen which main characterized in that: the device is composed of a conical flask (2) filled with manganese dioxide (1), a first single-hole rubber plug (3), an injector (4) filled with hydrogen peroxide solution, a first air duct (5), a latex tube (6), a spring clamp (7), a second air duct (8), a combustion spoon (9) filled with sulfur powder (14), a second single-hole rubber plug (10), a balloon (11), a third air duct (12), a third single-hole rubber plug (13), and a wide-mouth bottle (16) provided with a hole dug on the wall of the middle upper part filled with fuchsin solution and magnesium strips (15).
A conical bottle (2) filled with manganese dioxide (1) is tightly plugged by a first single-hole rubber plug (3) with an injector (4) and a first air duct (5). A second single-hole rubber plug (10) with a second air duct (8) and a combustion spoon (9) is tightly plugged with a wide-mouth bottle (16) with a hole dug on the wall of the middle upper part of the bottle, wherein the wall of the middle upper part of the bottle is filled with fuchsin solution and magnesium strips (15). A third single-hole rubber plug (13) with a third air duct (12) is tightly plugged in the hole on the middle upper wall of the wide-mouth bottle (16). The latex tube (6) with the spring clamp (7) is connected with a first air duct (5) at the outer end of the first single-hole rubber plug (3) and a second air duct (8) at the outer end of the second single-hole rubber plug (10). The balloon (11) is fixed on a third air duct (12) at the outer end of a third single-hole rubber plug (13).
The experimental process comprises the following steps: a hole is drilled in the middle upper wall of the jar (16) with a glass drill. Connecting an instrument, checking the air tightness of the device, filling a proper amount of manganese dioxide (1) in a conical flask (2), sucking a proper amount of hydrogen peroxide solution by using an injector (4), then inserting a first air guide pipe (5) and the injector (4) on a first single-hole rubber plug (3), and tightly plugging the conical flask (2) filled with the manganese dioxide (1) by using the first single-hole rubber plug (3) with the injector (4) and the first air guide pipe (5). A proper amount of fuchsin solution and magnesium strips (15) are filled in a wide-mouth bottle (16) with a hole dug in the wall of the middle upper part, a second air duct (8) and a combustion spoon (9) are inserted on a second single-hole rubber plug (10), a proper amount of sulfur powder (14) is filled in the combustion spoon (9), and the wide-mouth bottle (16) with a hole dug in the wall of the middle upper part filled with the fuchsin solution and the magnesium strips (15) is tightly plugged by the second single-hole rubber plug (10) with the second air duct (8) and the combustion spoon (9). And inserting a third air duct (12) on the third single-hole rubber plug (13), and tightly plugging the hole on the middle upper wall of the wide-mouth bottle (16) by using the third single-hole rubber plug (13) with the third air duct (12). A latex tube (6) with a spring clamp (7) is connected with a first air duct (5) at the outer end of the first single-hole rubber plug (3) and a second air duct (8) at the outer end of the second single-hole rubber plug (10). The balloon (11) is fixed on a third air duct (12) at the outer end of a third single-hole rubber plug (13). During the experiment, pull out third haplopore rubber stopper (13), open spring clamp (7), squeeze injector (4), drop into proper amount hydrogen peroxide solution in erlenmeyer flask (2), can see and produce a large amount of bubbles in erlenmeyer flask (2), press from both sides tight spring clamp (7) when no longer producing the bubble in erlenmeyer flask (2), put the match of taking the mars in hole department on the upper portion wall in jars (16), if the match relights, prove to be full of oxygen in jars (16), at this moment, put the end of third air duct (12) on alcohol burner flame and heat, then stretch into jars (16) through the hole on the upper portion wall in jars (16) hot third air duct (12), make the end of third air duct (12) contact sulfur powder (14) in burning spoon (9), can see following phenomenon: the sulfur powder (14) is burnt to generate bright bluish purple flame; the magenta solution faded gradually; a large number of bubbles were generated on the surface of the magnesium strip. This is because sulfur is burned in oxygen to produce sulfur dioxide gas, which can discolor the magenta solution; the sulfur dioxide reacts with the water to form an acid, and the acid reacts with the magnesium strips (15) to form hydrogen.
The utility model has the advantages that: the amount of the hydrogen peroxide solution can be controlled by the injector (4), so that the medicine is saved; the phenomenon is more obvious, safe and environment-friendly; it was observed that not only was the produced sulfur dioxide discolored the magenta solution, but also a large number of bubbles were produced on the surface of the magnesium strip, demonstrating that the sulfur dioxide dissolved in water produced an acid. The utility model discloses the commonality is strong, both is suitable for the teacher to do the demonstration experiment, is suitable for the student again and does the experiment of grouping.
Description of the drawings
Fig. 1 is a structural view of the present invention.
The symbols in the figures represent:
(1) a manganese dioxide (2) conical bottle (3), a first single-hole rubber plug (4), an injector (5) filled with hydrogen peroxide solution, a first air duct (6), a latex tube (7), a spring clamp (8), a second air duct (9), a combustion spoon (10), a second single-hole rubber plug (11), a balloon (12), a third air duct (13), a third single-hole rubber plug (14), sulfur powder (15) and a wide-mouth bottle with a hole dug on the wall of the middle upper part of a magnesium strip (16)
Fifth, detailed description of the invention
The present invention will be further described with reference to the following detailed description:
the utility model provides an environmental protection type experimental apparatus of demonstration sulphur burning in oxygen which main characterized in that: the device is composed of a conical flask (2) filled with manganese dioxide (1), a first single-hole rubber plug (3), an injector (4) filled with hydrogen peroxide solution, a first air duct (5), a latex tube (6), a spring clamp (7), a second air duct (8), a combustion spoon (9) filled with sulfur powder (14), a second single-hole rubber plug (10), a balloon (11), a third air duct (12), a third single-hole rubber plug (13), and a wide-mouth bottle (16) provided with a hole dug on the wall of the middle upper part filled with fuchsin solution and magnesium strips (15).
A conical bottle (2) filled with manganese dioxide (1) is tightly plugged by a first single-hole rubber plug (3) with an injector (4) and a first air duct (5). A second single-hole rubber plug (10) with a second air duct (8) and a combustion spoon (9) is tightly plugged with a wide-mouth bottle (16) with a hole dug on the wall of the middle upper part of the bottle, wherein the wall of the middle upper part of the bottle is filled with fuchsin solution and magnesium strips (15). A third single-hole rubber plug (13) with a third air duct (12) is tightly plugged in the hole on the middle upper wall of the wide-mouth bottle (16). The latex tube (6) with the spring clamp (7) is connected with a first air duct (5) at the outer end of the first single-hole rubber plug (3) and a second air duct (8) at the outer end of the second single-hole rubber plug (10). The balloon (11) is fixed on a third air duct (12) at the outer end of a third single-hole rubber plug (13).
The utility model discloses a use method: a hole is drilled in the middle upper wall of the jar (16) with a glass drill. Connecting an instrument, checking the air tightness of the device, filling a proper amount of manganese dioxide (1) in a conical flask (2), sucking a proper amount of hydrogen peroxide solution by using an injector (4), then inserting a first air guide pipe (5) and the injector (4) on a first single-hole rubber plug (3), and tightly plugging the conical flask (2) filled with the manganese dioxide (1) by using the first single-hole rubber plug (3) with the injector (4) and the first air guide pipe (5). A proper amount of fuchsin solution and magnesium strips (15) are filled in a wide-mouth bottle (16) with a hole dug in the wall of the middle upper part, a second air duct (8) and a combustion spoon (9) are inserted on a second single-hole rubber plug (10), a proper amount of sulfur powder (14) is filled in the combustion spoon (9), and the wide-mouth bottle (16) with a hole dug in the wall of the middle upper part filled with the fuchsin solution and the magnesium strips (15) is tightly plugged by the second single-hole rubber plug (10) with the second air duct (8) and the combustion spoon (9). And inserting a third air duct (12) on the third single-hole rubber plug (13), and tightly plugging the hole on the middle upper wall of the wide-mouth bottle (16) by using the third single-hole rubber plug (13) with the third air duct (12). A latex tube (6) with a spring clamp (7) is connected with a first air duct (5) at the outer end of the first single-hole rubber plug (3) and a second air duct (8) at the outer end of the second single-hole rubber plug (10). The balloon (11) is fixed on a third air duct (12) at the outer end of a third single-hole rubber plug (13). During the experiment, pull out third haplopore rubber stopper (13), open spring clamp (7), squeeze injector (4), drop into proper amount hydrogen peroxide solution in erlenmeyer flask (2), can see and produce a large amount of bubbles in erlenmeyer flask (2), press from both sides tight spring clamp (7) when no longer producing the bubble in erlenmeyer flask (2), put the match of taking the mars in hole department on the upper portion wall in jars (16), if the match relights, prove to be full of oxygen in jars (16), at this moment, put the end of third air duct (12) on alcohol burner flame and heat, then stretch into jars (16) through the hole on the upper portion wall in jars (16) hot third air duct (12), make the end of third air duct (12) contact sulfur powder (14) in burning spoon (9), can see following phenomenon: the sulfur powder (14) is burnt to generate bright bluish purple flame; the magenta solution faded gradually; a large number of bubbles were generated on the surface of the magnesium strip. This is because sulfur is burned in oxygen to produce sulfur dioxide gas, which can discolor the magenta solution; the sulfur dioxide reacts with the water to form an acid, and the acid reacts with the magnesium strips (15) to form hydrogen. The utility model has the advantages that: the amount of the hydrogen peroxide solution can be controlled by the injector (4), so that the medicine is saved; the phenomenon is more obvious, safe and environment-friendly; not only can the produced sulfur dioxide be observed to fade the fuchsin solution, but also a large amount of bubbles are observed to be produced on the surface of the magnesium strip, which proves that the sulfur dioxide is dissolved in water to produce acid; the universality is strong, and the device is suitable for teachers to perform demonstration experiments and is also suitable for students to perform grouping experiments.
Claims (1)
1. The utility model provides an environmental protection type experimental apparatus of demonstration sulphur burning in oxygen which main characterized in that: it is composed of a conical bottle (2) filled with manganese dioxide (1), a first single-hole rubber plug (3), an injector (4) filled with hydrogen peroxide solution, a first air duct (5), a latex tube (6), a spring clamp (7), a second air duct (8), a combustion spoon (9) filled with sulfur powder (14), a second single-hole rubber plug (10), a balloon (11), a third air duct (12), a third single-hole rubber plug (13), a wide-necked bottle (16) provided with a hole dug on the wall of the middle upper part of a fuchsin solution and a magnesium strip (15), the conical bottle (2) filled with the fuchsin solution (1) is tightly plugged with the first single-hole rubber plug (3) provided with the injector (4) and the first air duct (5), the wide-necked bottle (16) provided with a hole dug on the wall of the middle upper part of the fuchsin solution and the magnesium strip (15) is tightly plugged with the second single-hole rubber plug (10) provided with the second air duct (8) and the combustion spoon (9), a third single-hole rubber plug (13) with a third air duct (12) tightly plugs a hole in the wall of the middle upper part of the wide-mouth bottle (16), a latex tube (6) with a spring clamp (7) is connected with a first air duct (5) at the outer end of the first single-hole rubber plug (3) and a second air duct (8) at the outer end of the second single-hole rubber plug (10), and a balloon (11) is fixed on the third air duct (12) at the outer end of the third single-hole rubber plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422774.1U CN210073096U (en) | 2019-03-31 | 2019-03-31 | Environment-friendly experimental device for demonstrating combustion of sulfur in oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422774.1U CN210073096U (en) | 2019-03-31 | 2019-03-31 | Environment-friendly experimental device for demonstrating combustion of sulfur in oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210073096U true CN210073096U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920422774.1U Expired - Fee Related CN210073096U (en) | 2019-03-31 | 2019-03-31 | Environment-friendly experimental device for demonstrating combustion of sulfur in oxygen |
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| Country | Link |
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| CN (1) | CN210073096U (en) |
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2019
- 2019-03-31 CN CN201920422774.1U patent/CN210073096U/en not_active Expired - Fee Related
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Granted publication date: 20200214 Termination date: 20210331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |