CN204087657U - A kind of experimental provision probing into combustible burning condition - Google Patents
A kind of experimental provision probing into combustible burning condition Download PDFInfo
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- CN204087657U CN204087657U CN201420612590.9U CN201420612590U CN204087657U CN 204087657 U CN204087657 U CN 204087657U CN 201420612590 U CN201420612590 U CN 201420612590U CN 204087657 U CN204087657 U CN 204087657U
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- rubber stopper
- hot water
- drying tube
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Abstract
The utility model provides a kind of experimental provision probing into combustible burning condition, it is characterized in that: it is by the wide-necked bottle (1) that hot water is housed, the Boiling tube (2) of the improvement of hot water and a small amount of white phosphorus is housed, first drying tube (3), first small test tube (4) of a small amount of red phosphorus is housed, first rubber stopper (9), second rubber stopper (10), second drying tube (11), second small test tube (12) of a small amount of manganese dioxide is housed, 3rd rubber stopper (14), the syringe (15) of superoxol is housed, first perforated plastic plate (16), second perforated plastic plate (17) composition.Respectively digging an aperture in the test tube wall bottom of the Boiling tube (2) improved and top, is water inlet and gas outlet respectively.The utility model is used to test, safety, environmental protection, pollution-free.The utility model is not only suitable for teacher and does lecture experiment, is also suitable for student and does grouping experiment.
Description
one, technical field
the utility model belongs to chemical field, relates to a kind of chemical experiment device, particularly for demonstrating experiment junior middle school chemistry textbook being probed into combustible burning condition.
two, background technology
the existing experimental provision existing defects probing into combustible burning condition.As ninth grade chemistry the 99th page, the textbook exercise of publishing Shanghai education publishing house in January, 2012 with put into practice the 2nd inscribe in experiment: be equipped with in the large beaker of hot water at one and put a white phosphorus, beaker upper cover one copper sheet, white phosphorus is put in one end of copper sheet, and the other end puts red phosphorus.By observing the white phosphorus burning on copper sheet, red phosphorus does not burn to prove that combustible combustion need meet two conditions simultaneously: 1, combustible contacts with oxygen; 2, the temperature of combustible will reach kindling point.The experiment existing defects of condition needed for combustible combustion is probed into: produce a large amount of white cigarettes when the white phosphorus 1, on copper sheet burns and pollute the environment with this device.The heat of 2, releasing during white phosphorus burning passes to red phosphorus by copper sheet, and the temperature of red phosphorus likely reaches kindling point and blazes up.3, during white phosphorus burning, splashes also may make red phosphorus blaze up and produce more white cigarette.This device is not more suitable for student and does grouping experiment.
three, utility model content
the purpose of this utility model is to provide a kind of experimental provision probing into combustible burning condition.Make device not be only applicable to classroom does lecture experiment, but also be applicable to student and do grouping experiment, safety, environmental protection, pollution-free.
the purpose of this utility model realizes by the following method:
a kind of experimental provision probing into combustible burning condition, be primarily characterized in that: it is by the wide-necked bottle (1) that hot water is housed, the Boiling tube (2) of the improvement of a small amount of white phosphorus and hot water is housed, first drying tube (3), first small test tube (4) of a small amount of red phosphorus is housed, first rubber stopper (9), second rubber stopper (10), second drying tube (11), second small test tube (12) of a small amount of manganese dioxide is housed, 3rd rubber stopper (14), the syringe (15) of superoxol is housed, first perforated plastic plate (16), second perforated plastic plate (17) composition.Digging an aperture from the test tube wall bottom of the Boiling tube (2) improved, this aperture is water inlet, and digging an aperture from the test tube wall top of the Boiling tube (2) improved, this hole is gas outlet.
experimentation: connect instrument, the impermeability of testing fixture, second plastic plate (17) is put in the second drying tube (11), the second small test tube (12) that a small amount of manganese dioxide (13) then will be housed to be put in the second drying tube (11) and is erected on the second perforated plastic plate (17), with the upper end mouth of pipe of the 3rd rubber stopper (14) jam-pack second drying tube (11).The lower end of the second drying tube (11) connects the second rubber stopper (10) and the first rubber stopper (9), regulates the distance between the second rubber stopper (10) and the first rubber stopper (9); First perforated plastic plate (16) is put in the first drying tube (3), then the first small test tube (4) that a small amount of red phosphorus is housed put in the first drying tube (3) and be erected on the first perforated plastic plate, with the upper end mouth of pipe of the first rubber stopper (9) jam-pack first drying tube (3) be connected on the second drying tube (11).Appropriate hot water is filled in the Boiling tube (2) improved, a small amount of white phosphorus (8) is put in the Boiling tube (2) improved, first drying tube (3) is put in the Boiling tube (2) of improvement, regulate height, white phosphorus (8) in the Boiling tube (2) that the lower end mouth of pipe aligning of the first drying tube (3) is improved, the Boiling tube (2) improved with the second rubber stopper (10) jam-pack be connected on the second drying tube (11).The needle pierces the 3rd rubber stopper (14) of syringe (15) of superoxol being housed and the manganese dioxide aimed in the second small test tube (12).The Boiling tube (2) that hot water and white phosphorus are housed is placed in the wide-necked bottle (1) that hot water is housed, and the hot water water surface in wide-necked bottle (1) is a little more than the red phosphorus in the first small test tube (4), but red phosphorus is not with hot water contacts.Because the kindling point of red phosphorus is higher, and white phosphorus does not contact with oxygen in the hot water, so red phosphorus, white phosphorus do not burn when starting.When touching syringe (15), appropriate superoxol instills that the second small test tube (12) is inner to be contacted with manganese dioxide (13) and produce bubble, the red phosphorus (7) that the oxygen generated enters the first drying tube (3) inner with the first small test tube (4) contacts, but the temperature of red phosphorus (7) does not reach kindling point, so red phosphorus does not still burn, when the oxygen generated is by the lower end mouth of pipe of the first drying tube (3) and when contacting with the white phosphorus in hot water, the white phosphorus in hot water blazes up and produces a large amount of white cigarettes.This experiment sufficient proof combustible combustion needs to meet two conditions simultaneously: 1, combustible contacts with oxygen; 2, the temperature of combustible will reach kindling point.
the beneficial effects of the utility model are: the experiment 1, probing into combustible burning condition with the utility model demonstration, because white phosphorus burns in the hot water, the white cigarette produced is dissolved in hot water and generates nontoxic phosphoric acid with hot water reaction, is not easily diffused in air, because this reducing environmental pollution.2, the amount of superoxol can be controlled by syringe, reach the object controlling reaction rate, make reaction occur at any time to stop at any time, save medicine.3, the utility model highly versatile, can reuse, and is not only suitable on classroom 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: the second small test tube (13) manganese dioxide (14) the 3rd rubber stopper (15) that the first small test tube (5) gas outlet (6) water inlet (7) red phosphorus (8) white phosphorus (9) first rubber stopper (10) second rubber stopper (11) second drying tube (12) that the Boiling tube (3) first drying tube (4) that the wide-necked bottle (2) that (1) is equipped with hot water is equipped with the improvement of a small amount of white phosphorus and hot water is equipped with a small amount of red phosphorus is equipped with a small amount of manganese dioxide is equipped with syringe (16) first perforated plastic plate (17) the second perforated plastic plate of superoxol
five, embodiment
below in conjunction with embodiment, the utility model is described in further detail:
a kind of experimental provision probing into condition needed for combustible combustion, it is characterized in that: it is by the wide-necked bottle (1) that hot water is housed, the Boiling tube (2) of the improvement of a small amount of white phosphorus and hot water is housed, first drying tube (3), first small test tube (4) of a small amount of red phosphorus is housed, first rubber stopper (9), second rubber stopper (10), second drying tube (11), second small test tube (12) of a small amount of manganese dioxide is housed, 3rd rubber stopper (14), the syringe (15) of superoxol is housed, first perforated plastic plate (16), second perforated plastic plate (17) composition.
when improving Boiling tube, dig an aperture in the test tube wall bottom of Boiling tube, this aperture is water inlet, and dig an aperture on the test tube wall top of Boiling tube, this hole is gas outlet.
using method of the present utility model: connect instrument, the impermeability of testing fixture, second perforated plastic plate (17) is put in the second drying tube (11), the second small test tube (12) that a small amount of manganese dioxide (13) then will be housed to be put in the second drying tube (11) and is erected on the second perforated plastic plate (17), with the upper end mouth of pipe of the 3rd rubber stopper (14) jam-pack second drying tube (11).The lower end of the second drying tube (11) connects the second rubber stopper (10) and the first rubber stopper (9), regulates the distance between the second rubber stopper (10) and the first rubber stopper (9).First perforated plastic plate (16) is put in the first drying tube (3), then the first small test tube (4) that a small amount of red phosphorus is housed put in the first drying tube (3) and be erected on the first perforated plastic plate (16), with the upper end mouth of pipe of the first rubber stopper (9) jam-pack first drying tube (3) be connected on the second drying tube (11).Appropriate hot water is filled in the Boiling tube (2) improved, a small amount of white phosphorus (8) is put in the Boiling tube (2) improved, first drying tube (3) is put in the Boiling tube (2) of improvement, regulate height, white phosphorus in the Boiling tube (2) that the lower end mouth of pipe aligning of the first drying tube (3) is improved, the Boiling tube (2) improved with the second rubber stopper (10) jam-pack be connected on the second drying tube (11).The needle pierces the 3rd rubber stopper (14) of syringe (15) of superoxol being housed and the manganese dioxide aimed in the second small test tube (12).The Boiling tube (2) that hot water and white phosphorus are housed is placed in the wide-necked bottle (1) that hot water is housed, and the hot water water surface in wide-necked bottle (1) is a little more than the red phosphorus in small test tube (4), but red phosphorus is not with hot water contacts.Because the kindling point of red phosphorus is higher, and white phosphorus does not contact with oxygen in the hot water, so red phosphorus, white phosphorus do not burn when starting.When touching syringe (15), appropriate superoxol instills that the second small test tube (12) is inner to be contacted with manganese dioxide (13) and produce bubble, the red phosphorus (7) that the oxygen generated enters the first drying tube (3) inner with the first small test tube (4) contacts, but the temperature of red phosphorus (7) does not reach kindling point, so red phosphorus does not still burn, the oxygen generated is contacted with the white phosphorus in hot water by the lower end mouth of pipe of the first drying tube (3), and the white phosphorus in hot water blazes up and produces a large amount of white cigarettes.Experiment sufficient proof combustible combustion needs to meet two conditions simultaneously: 1, combustible contacts with oxygen; 2, the temperature of combustible will reach kindling point.Because white phosphorus burns in the hot water in experimentation, the white cigarette of generation is dissolved in hot water and generates nontoxic phosphoric acid with hot water reaction, is not easily diffused in air, because this reducing environmental pollution.Controlled the amount of superoxol by syringe, make reaction occur at any time to stop at any time, save medicine.
the utility model can be reused, applied widely, is not only suitable on classroom and does lecture experiment, is also suitable for student and does grouping experiment.
Claims (1)
1. probe into an experimental provision for combustible burning condition, it is characterized in that: it by being equipped with the wide-necked bottle (1) of hot water, the Boiling tube (2) that the improvement of hot water and a small amount of white phosphorus is housed, the first drying tube (3), the first small test tube (4) that a small amount of red phosphorus is housed, the first rubber stopper (9), the second rubber stopper (10), the second drying tube (11), the second small test tube (12) that a small amount of manganese dioxide is housed, the 3rd rubber stopper (14), the syringe (15) that superoxol is housed, the first perforated plastic plate (16), the second perforated plastic plate (17) form, an aperture is respectively dug in the test tube wall bottom of the Boiling tube (2) improved and top, water inlet and gas outlet respectively, second perforated plastic plate (17) is housed in the second drying tube (11), the second small test tube (12) that a small amount of manganese dioxide is housed is erected on the second perforated plastic plate (17) in the second drying tube (11), with the upper end of the 3rd rubber stopper (14) jam-pack second drying tube (11), the lower end of the second drying tube (11) connects the second rubber stopper (10) and the first rubber stopper (9), regulate the distance between the second rubber stopper (10) and the first rubber stopper (9), first perforated plastic plate (16) is housed in the first drying tube (3), the first small test tube (4) that a small amount of red phosphorus is housed is erected on the first perforated plastic plate (16) in the first drying tube (3), with the upper end of the first rubber stopper (9) jam-pack first drying tube (3) be connected on the second drying tube (11), appropriate hot water and a small amount of white phosphorus (8) is filled in the Boiling tube (2) improved, first drying tube (3) puts in the Boiling tube (2) of improvement, the lower end mouth of pipe of the first drying tube (3) aims at the white phosphorus in hot water, with the Boiling tube (2) that the 3rd rubber stopper (10) jam-pack be connected on the second drying tube (11) improves, syringe (15) syringe needle that superoxol is housed passes the 3rd rubber stopper (14) and the manganese dioxide aimed in the second small test tube (12), the Boiling tube (2) that the improvement of hot water and white phosphorus is housed is placed in the wide-necked bottle (1) that hot water is housed, the hot water water surface in wide-necked bottle (1) is a little more than the red phosphorus in the first small test tube (4), red phosphorus is not with hot water contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612590.9U CN204087657U (en) | 2014-10-22 | 2014-10-22 | A kind of experimental provision probing into combustible burning condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612590.9U CN204087657U (en) | 2014-10-22 | 2014-10-22 | A kind of experimental provision probing into combustible burning condition |
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| Publication Number | Publication Date |
|---|---|
| CN204087657U true CN204087657U (en) | 2015-01-07 |
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| CN201420612590.9U Expired - Fee Related CN204087657U (en) | 2014-10-22 | 2014-10-22 | A kind of experimental provision probing into combustible burning condition |
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| CN (1) | CN204087657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590528A (en) * | 2014-10-22 | 2016-05-18 | 林师龙 | Experiment apparatus exploring combustion conditions of combustible matters |
| CN105976684A (en) * | 2016-05-23 | 2016-09-28 | 周维保 | Combustion experiment device |
-
2014
- 2014-10-22 CN CN201420612590.9U patent/CN204087657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105590528A (en) * | 2014-10-22 | 2016-05-18 | 林师龙 | Experiment apparatus exploring combustion conditions of combustible matters |
| CN105976684A (en) * | 2016-05-23 | 2016-09-28 | 周维保 | Combustion experiment device |
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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: 20150107 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |