CN204990963U - Experimental device for prepare carbon dioxide and verify its nature - Google Patents
Experimental device for prepare carbon dioxide and verify its nature Download PDFInfo
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- CN204990963U CN204990963U CN201520792374.1U CN201520792374U CN204990963U CN 204990963 U CN204990963 U CN 204990963U CN 201520792374 U CN201520792374 U CN 201520792374U CN 204990963 U CN204990963 U CN 204990963U
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Abstract
(B, ) the utility model provides an experimental device for prepare carbon dioxide and verify its nature, its main characterized in that: it is by the wide -necked bottle (b) (b) 1 (b) (b) that is equipped with watery hydrochloric acid, lime stone (b) (b) 2 (b) (b's) porose plastic bottle (b) (b) 3 (b) (b) is equipped with, rubber stopper (b) (b) 4 (b) (b), bar copper (b) (b) 5 (b) (b), first air duct (b) (b) 6 (b) (b), first emulsion tube (b) (b) 7 (b) (b), first (b) (b) V (b) (b) the shape glass pipe (b) (b) 8 (b) (b) of purple litmus test solution is equipped with, alcohol burner (b) (b) 9 (b) (b), second emulsion tube (b) (b) 10 (b) (b), second (b) (b) V (b) (b) the shape glass pipe (b) (b) 11 (b) (b) of clarification lime wash is equipped with, third emulsion tube (b) (b) 12 (b) (b), second air duct (b) (b) 13 (b) (b), beaker (b) (b) 14 (b) (b), glass piece (b) (b) 15 (b) (b), first candle (b) (b) 16 (b) (b), second candle (b) (b) 17 (b) (b), iron sheet frame (b) (b) 18 (b) (b) is constituteed. Prepare carbon dioxide and verify that there is the defect in its nature with the textbook experimental apparatus: the medicine quantity is big, can not take place at any time and stop at any time by controlled reaction, the instrument that uses is many, wastes time and energy. Use the utility model discloses can overcome above defect. (B, )
Description
one, technical field
the utility model belongs to chemical field, relates to a kind of chemical experiment device, particularly for demonstrating the experiment of product in laboratory carbon dioxide and checking properties of carbon dioxide on junior middle school chemistry textbook.
two, background technology
the laboratory preparation of ninth grade chemistry textbook the 44th page of carbon dioxide that Shanghai in January, 2012 education publishing house publishes, operate like this in textbook: in conical flask, fill appropriate lime stone, then the rubber stopper with double hole of long neck funnel and wireway is with beyond the Great Wall, in long neck funnel, add appropriate watery hydrochloric acid, use upwards air-discharging method to collect carbon dioxide.Following defect is there is: drug dosage is large with the experimental provision preparing CO 2 gas in textbook; Reaction can not be controlled occur at any time and stop at any time.In addition, verify in textbook that the experiment of properties of carbon dioxide is demonstration like this: 1, passed into by carbon dioxide in purple reindeer moss test solution, observe the change of solution colour, then to the solution heating after variable color, observe phenomena.2, carbon dioxide is passed into the lime water of clarification, observe phenomena.3, carbon dioxide is slowly poured in the beaker being placed with two candles that ignite, observe phenomena, verify the character also existing defects of carbon dioxide in textbook like this: use multiple instrument, many covering devices, waste time and energy.Improve the experimental provision producing and verify properties of carbon dioxide in textbook, make the device after improvement no longer include above defect.
three, utility model content
the utility model object is to provide a kind of experimental provision produced carbon dioxide and verify its character, uses the utility model preparing CO 2 gas, can not only control reaction and occurs at any time and stop at any time, can also save medicine.Use three chemical property and a physical property of the disposable checking carbon dioxide of the utility model energy, easy to use.
the purpose of this utility model realizes by the following method:
a kind of experimental provision produced carbon dioxide and verify its character, be primarily characterized in that: it is by the wide-necked bottle (1) that watery hydrochloric acid is housed, the apertured plastic bottle (3) of lime stone (2) is housed, rubber stopper (4), copper rod (5), first wireway (6), first emulsion tube (7), first V-arrangement glass tube (8) of purple reindeer moss test solution is housed, spirit lamp (9), second emulsion tube (10), second V-arrangement glass tube (11) of clarification lime water is housed, 3rd emulsion tube (12), second wireway (13), beaker (14), glass sheet (15), first candle (16), second candle (17), iron sheet frame (18) forms.
rubber stopper (4) jam-pack with copper rod (5) and the first wireway (6) is equipped with the wide-necked bottle (1) of watery hydrochloric acid, and the copper rod (5) of rubber stopper (4) inner end connects the apertured plastic bottle (3) that lime stone (2) is housed.First emulsion tube (7) connects first wireway (6) of rubber stopper (4) outer end and the left end of the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed; Second emulsion tube (10) connects the left end of the right-hand member that the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed and the second V-arrangement glass tube (11) that clarification lime water is housed; 3rd emulsion tube (12) connects the right-hand member of the second V-arrangement glass tube (11) and the second wireway (13) that clarification lime water is housed, and the end of the second wireway (13) is near the bottom of beaker (14).Glass sheet (15) is placed on the beaker (14) being arranged in the second wireway (13) right side, and space is arranged at the lower end of glass sheet (15) and the bottom of beaker (14).Iron sheet frame (18) is placed on the beaker being arranged in glass sheet (15) right side, the upper strata ladder of iron sheet frame (18) puts the first candle (16), lower floor's ladder of iron sheet frame (18) puts the second candle (17).Spirit lamp (9) is placed on the first V-arrangement glass tube (8) below that appropriate purple reindeer moss test solution is housed.
experimentation: connect instrument, the impermeability of testing fixture.In wide-necked bottle (1), pour appropriate watery hydrochloric acid into, be inserted on rubber stopper (4) by copper rod (5) and the first wireway (6), copper rod (5) can move up and down.In apertured plastic bottle (3), fill appropriate lime stone (2), then the copper rod (5) of apertured plastic bottle (3) with rubber stopper (4) inner end that lime stone (2) is housed is connected.The wide-necked bottle (1) of watery hydrochloric acid rubber stopper (4) jam-pack with copper rod (5) and the first wireway (6) is equipped with.Draw appropriate purple reindeer moss test solution with syringe and inject the first V-arrangement glass tube (8), then connect first wireway (6) of rubber stopper (4) outer end with the first emulsion tube (7) and the left end of the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed, purple reindeer moss test solution does not seal the first V-arrangement glass tube (8) completely, gas also by.Draw appropriate clarification lime water with another syringe and inject the second V-arrangement glass tube (11), clarification lime water does not seal the second V-arrangement glass tube (11) completely, gas yet by, then connect the right-hand member of the first V-arrangement glass tube (8) that purple reindeer moss test solution is housed with the second emulsion tube (10) and the left end of the second V-arrangement glass tube (11) of clarification lime water be housed.Connect the right-hand member of the second V-arrangement glass tube (11) and the second wireway (13) that clarification lime water is housed with the 3rd emulsion tube (12), the end of the second wireway (13) is near the bottom of beaker (14).Glass sheet (15) is placed on the beaker (14) being arranged in the second wireway (13) right side, the space of beaker (14) is divided into left and right two parts, and space is left in the lower end of glass sheet (15) and the bottom of beaker (14).The upper strata ladder of iron sheet frame (18) puts the first candle (16), lower floor's ladder of iron sheet frame (18) puts the second candle (17), then iron sheet frame (18) is placed on the beaker (14) being arranged in glass sheet (15) right side.Spirit lamp (9) is placed on the first V-arrangement glass tube (8) below that purple reindeer moss test solution is housed.During experiment, light two candles on iron sheet frame (18), then copper rod (5) is moved down, stop mobile when the plastic bottle (3) that lime stone (2) are housed is immersed in watery hydrochloric acid, at this moment watery hydrochloric acid enters porose plastic bottle (3) and contacts with lime stone (2), lime stone (2) surface produces a large amount of bubble, this is that lime stone and watery hydrochloric acid react the carbon dioxide produced, in a moment, can see: the purple reindeer moss test solution in the first V-arrangement glass tube (8) becomes red, this is because carbon dioxide and water react generate carbonic acid, the cause that carbonic acid makes purple reindeer moss test solution become red, clarification lime water in second V-arrangement glass tube (11) becomes muddy, and this is because carbon dioxide and lime water react the cause generating water-fast white solid calcium carbonate, in beaker (14), two candles all extinguish, and the candle of lower floor first extinguishes, this is because when carbon dioxide leads in beaker (14), carbon dioxide enters the beaker (14) on glass sheet (15) right side from the space between the lower end and beaker (14) of glass sheet (15), and be greater than air due to the density of carbon dioxide, so carbon dioxide first fills up the lower layer space of beaker (14), again because carbon dioxide can not burn can not support burning, so two candles all extinguish, and the candle of lower floor first extinguishes.Up moved by copper rod (5) after two candles all extinguish, stop mobile when the plastic bottle (3) that appropriate lime stone (2) are housed disengages with watery hydrochloric acid, watery hydrochloric acid spills from plastic bottle (3), and reaction stops carrying out immediately.Then spirit lamp (9) is lighted, heat a moment to the red liquid in the first V-arrangement glass tube (8) with the flame envelope of spirit lamp (9), can see that the liquid in the first V-arrangement glass tube (8) becomes purple again, this is because carbonic acid is unstable, can occur after heating to decompose and generate water and carbon dioxide, so solution becomes purple again.
the beneficial effects of the utility model are: can not only control reaction and occur at any time and stop at any time, can also save medicine; The character that the disposable checking carbon dioxide of energy and the lime water that water reacts, carbon dioxide can make clarification become muddy and carbon dioxide gas physical efficiency is put out a fire; Highly versatile, can reuse, and is not only suitable for teacher and does lecture experiment, is also suitable for student and does grouping experiment.
four, accompanying drawing explanation
fig. 1 is structural drawing of the present utility model.
mark in figure represents respectively:
(1) the first V-arrangement glass tube (9) spirit lamp (10) second emulsion tube (11) that wide-necked bottle (2) lime stone (3) apertured plastic bottle (4) rubber stopper (5) copper rod (6) first wireway (7) first emulsion tube (8) that watery hydrochloric acid is housed is equipped with purple reindeer moss test solution is equipped with the second V-arrangement glass tube (12) the 3rd emulsion tube (13) second wireway (14) beaker (15) glass sheet (16) first candle (17) second candle (18) iron sheet frame of clarification lime water
five, embodiment
below in conjunction with embodiment, the utility model is described in further detail:
a kind of experimental provision produced carbon dioxide and verify its character, be primarily characterized in that: it is by the wide-necked bottle (1) that watery hydrochloric acid is housed, the apertured plastic bottle (3) of lime stone (2) is housed, rubber stopper (4), copper rod (5), first wireway (6), first emulsion tube (7), first V-arrangement glass tube (8) of purple reindeer moss test solution is housed, spirit lamp (9), second emulsion tube (10), second V-arrangement glass tube (11) of clarification lime water is housed, 3rd emulsion tube (12), second wireway (13), beaker (14), glass sheet (15), first candle (16), second candle (17), iron sheet frame (18) forms.
rubber stopper (4) jam-pack with copper rod (5) and the first wireway (6) is equipped with the wide-necked bottle (1) of watery hydrochloric acid, and the copper rod (5) of rubber stopper (4) inner end connects the apertured plastic bottle (3) that lime stone (2) is housed.First emulsion tube (7) connects first wireway (6) of rubber stopper (4) outer end and the left end of the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed; Second emulsion tube (10) connects the left end of the right-hand member that the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed and the second V-arrangement glass tube (11) that clarification lime water is housed; 3rd emulsion tube (12) connects the right-hand member of the second V-arrangement glass tube (11) and the second wireway (13) that clarification lime water is housed, and the end of the second wireway (13) is near the bottom of beaker (14).Glass sheet (15) is placed on the beaker (14) being arranged in the second wireway (13) right side, and space is arranged at the lower end of glass sheet (15) and the bottom of beaker (14).Iron sheet frame (18) is placed on the beaker being arranged in glass sheet (15) right side, the upper strata ladder of iron sheet frame (18) puts the first candle (16), lower floor's ladder of iron sheet frame (18) puts the second candle (17).Spirit lamp (9) is placed on the first V-arrangement glass tube (8) below that purple reindeer moss test solution is housed.
using method of the present utility model: connect instrument, the impermeability of testing fixture.In wide-necked bottle (1), pour appropriate watery hydrochloric acid into, be inserted on rubber stopper (4) by copper rod (5) and the first wireway (6), copper rod (5) can move up and down.In apertured plastic bottle (3), fill appropriate lime stone (2), then the copper rod (5) of apertured plastic bottle (3) with rubber stopper (4) inner end that appropriate lime stone (2) is housed is connected.The wide-necked bottle (1) of watery hydrochloric acid rubber stopper (4) jam-pack with copper rod (5) and the first wireway (6) is equipped with.Draw appropriate purple reindeer moss test solution with syringe and inject the first V-arrangement glass tube (8), then connect first wireway (6) of rubber stopper (4) outer end with the first emulsion tube (7) and the left end of the first V-arrangement glass tube (8) of appropriate purple reindeer moss test solution is housed, purple reindeer moss test solution does not seal the first V-arrangement glass tube (8) completely, gas also by.Draw appropriate clarification lime water with another syringe and inject the second V-arrangement glass tube (11), clarification lime water does not seal the second V-arrangement glass tube (11) completely, gas is yet by, the left end of the right-hand member then connecting the first V-arrangement glass tube (8) that appropriate purple reindeer moss test solution is housed with the second emulsion tube (10) and the second V-arrangement glass tube (11) that appropriate clarification lime water is housed.Connect right-hand member and second wireway (13) of the second V-arrangement glass tube (11) that appropriate clarification lime water is housed with the 3rd emulsion tube (12), the end of the second wireway (13) is near the bottom of beaker (14).Glass sheet (15) is placed on the beaker (14) being arranged in the second wireway (13) right side, the space of beaker (14) is divided into left and right two parts, and space is left in the lower end of glass sheet (15) and the bottom of beaker (14).The upper strata ladder of iron sheet frame (18) puts the first candle (16), lower floor's ladder of iron sheet frame (18) puts the second candle (17), then iron sheet frame (18) is placed on the beaker (14) being arranged in glass sheet (15) right side.Spirit lamp (9) is placed on the first V-arrangement glass tube (8) below that appropriate purple reindeer moss test solution is housed.During experiment, light two candles on iron sheet frame (18), then copper rod (5) is moved down, stop mobile when the plastic bottle (3) that appropriate lime stone (2) are housed is immersed in watery hydrochloric acid, at this moment watery hydrochloric acid enters porose plastic bottle (3) and contacts with lime stone (2), lime stone (2) surface produces a large amount of bubble, this is that lime stone and watery hydrochloric acid react the carbon dioxide produced, in a moment, can see: the purple reindeer moss test solution in the first V-arrangement glass tube (8) becomes red, this is because carbon dioxide and water react generate carbonic acid, the cause that carbonic acid makes purple reindeer moss test solution become red, clarification lime water in second V-arrangement glass tube (11) becomes muddy, and this is because carbon dioxide and lime water react the cause generating water-fast white solid calcium carbonate, in beaker (14), two candles all extinguish, and the candle of lower floor first extinguishes, this is because when carbon dioxide leads in beaker (14), carbon dioxide enters the beaker (14) on glass sheet (15) right side from the space between the lower end and beaker (14) of glass sheet (15), and be greater than air due to the density of carbon dioxide, so carbon dioxide first fills up the lower layer space of beaker (14), again because carbon dioxide can not burn can not support burning, so two candles all extinguish, and the candle of lower floor first extinguishes.Up moved by copper rod (5) after two candles all extinguish, stop mobile when the plastic bottle (3) that appropriate lime stone (2) are housed disengages with watery hydrochloric acid, watery hydrochloric acid spills from plastic bottle (3), and reaction stops carrying out immediately.Then spirit lamp (9) is lighted, heat a moment to the red liquid in the first V-arrangement glass tube (8) with the flame envelope of spirit lamp (9), can see that the liquid in the first V-arrangement glass tube (8) becomes purple again, this is because carbonic acid is unstable, can occur after heating to decompose and generate water and carbon dioxide, so solution becomes purple again.The utility model has the advantages that: reaction can not only be controlled and occur at any time and stop at any time, can also medicine be saved; The character that the disposable checking carbon dioxide of energy and the lime water that water reacts, carbon dioxide can make clarification become muddy and carbon dioxide gas physical efficiency is put out a fire; Highly versatile, can reuse, and is not only suitable for teacher and does lecture experiment, is also suitable for student and does grouping experiment.
Claims (1)
1. the experimental provision produced carbon dioxide and verify its character, be primarily characterized in that: it is by the wide-necked bottle (1) that watery hydrochloric acid is housed, the apertured plastic bottle (3) of lime stone (2) is housed, rubber stopper (4), copper rod (5), first wireway (6), first emulsion tube (7), first V-arrangement glass tube (8) of purple reindeer moss test solution is housed, spirit lamp (9), second emulsion tube (10), second V-arrangement glass tube (11) of clarification lime water is housed, 3rd emulsion tube (12), second wireway (13), beaker (14), glass sheet (15), first candle (16), second candle (17), iron sheet frame (18) forms, rubber stopper (4) jam-pack with copper rod (5) and the first wireway (6) is equipped with the wide-necked bottle (1) of watery hydrochloric acid, the copper rod (5) of rubber stopper (4) inner end connects the apertured plastic bottle (3) that lime stone (2) is housed, first emulsion tube (7) connects first wireway (6) of rubber stopper (4) outer end and the left end of the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed, second emulsion tube (10) connects the left end of the right-hand member that the first V-arrangement glass tube (8) of purple reindeer moss test solution is housed and the second V-arrangement glass tube (11) that clarification lime water is housed, 3rd emulsion tube (12) connects right-hand member and second wireway (13) of the second V-arrangement glass tube (11) that clarification lime water is housed, the end of the second wireway (13) is near the bottom of beaker (14), glass sheet (15) is placed on the beaker (14) being arranged in the second wireway (13) right side, space is arranged at the lower end of glass sheet (15) and the bottom of beaker (14), iron sheet frame (18) is placed on the beaker (14) being arranged in glass sheet (15) right side, the upper strata ladder of iron sheet frame (18) is put the first candle (16), lower floor's ladder of iron sheet frame (18) is put the second candle (17), spirit lamp (9) be placed on purple reindeer moss test solution is housed the first V-arrangement glass tube (8) immediately below.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792374.1U CN204990963U (en) | 2015-10-15 | 2015-10-15 | Experimental device for prepare carbon dioxide and verify its nature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520792374.1U CN204990963U (en) | 2015-10-15 | 2015-10-15 | Experimental device for prepare carbon dioxide and verify its nature |
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| CN204990963U true CN204990963U (en) | 2016-01-20 |
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| CN201520792374.1U Expired - Fee Related CN204990963U (en) | 2015-10-15 | 2015-10-15 | Experimental device for prepare carbon dioxide and verify its nature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862955A (en) * | 2017-12-15 | 2018-03-30 | 芜湖润蓝生物科技有限公司 | A kind of laboratory high concentration carbon dioxide preparation facilities |
-
2015
- 2015-10-15 CN CN201520792374.1U patent/CN204990963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862955A (en) * | 2017-12-15 | 2018-03-30 | 芜湖润蓝生物科技有限公司 | A kind of laboratory high concentration carbon dioxide preparation facilities |
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| Date | Code | Title | Description |
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| 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: 20160120 Termination date: 20161015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |