CN207441091U - Sulfur dioxide property one experimental demonstration device - Google Patents
Sulfur dioxide property one experimental demonstration device Download PDFInfo
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- CN207441091U CN207441091U CN201720960119.2U CN201720960119U CN207441091U CN 207441091 U CN207441091 U CN 207441091U CN 201720960119 U CN201720960119 U CN 201720960119U CN 207441091 U CN207441091 U CN 207441091U
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- sulfur dioxide
- glass tube
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- property
- reagent bottles
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Abstract
The utility model discloses a kind of sulfur dioxide property one experimental demonstration devices, it is desirable to provide one kind is pollution-free, easy to operate, experiment effect is good, saves the class demonstration time, improves the integral experimental demonstration device of classroom experiment success rate.It includes iron stand, alcolhol burner is located at the bilateral glass tube on iron stand, sulfur dioxide generating means is respectively equipped at the both ends of bilateral glass tube and sulfur dioxide property probes into device, the bilateral glass tube is secured transverse on the iron clamp of iron stand, bilateral glass tube is equipped with first port and second port, the first end glass tube that first port probes into device by three-way pipe with sulfur dioxide gas generating means, sulfur dioxide gas volume property respectively is connected, and second port probes into device second end glass bend pipe with sulfur dioxide gas volume property and is connected.
Description
Technical field
The utility model belongs to chemical teaching aid technical field, refers in particular to a kind of sulfur dioxide property one experimental demonstration dress
It puts.
Background technology
The property experiment of sulfur dioxide is（Chemistry Soviet Union religion version required 1）Containing Sulfur in " sulphur, nitrogen and sustainable development " special topic
Close the property of object and a series of important experiments of applied teaching.Former lecture experiment is using separated property one by one on textbook
Matter experiment is demonstrated, and shortcoming is：
（1）Teacher is needing first to prepare sulfur dioxide gas before the class, and sulfur dioxide gas is a kind of toxic, irritant
The gas of smell, it is unfavorable to the health of teacher and student there are certain pollution.
（2）The Aqueous Solution of Sulfur Dioxide solution prepared in advance and the oxygen reaction in air are rotten, so as to influence experiment effect
Fruit.
（3）Teacher completed all property experiments of sulfur dioxide, it is necessary to 10 minutes, and time-consuming, and classroom inquiry is poor, so as to
Affect quality of instruction.
These problems annoying chemical education colleagues always, it is therefore necessary to make improvements design.
Utility model content
The purpose of this utility model seek to provide it is a kind of probed into from titanium dioxide magister of sulfur, property checking to property one
The experimental provision of body, reaction time consumption is short, and reacting phenomenon is apparent, and increase student experimenting is probed into and whole process is reacted in presentation process not
Sulfur dioxide effusion is had, when student can be allowed more to understand this substance of sulfur dioxide, while having been saved for the classroom of teacher
Between, improve classroom teaching efficiency.
The utility model is achieved through the following technical solutions：
A kind of sulfur dioxide property one experimental demonstration device, includes iron stand, the bilateral glass being located on iron stand
Pipe, sulfur dioxide generating means is respectively equipped at the both ends of bilateral glass tube and sulfur dioxide property probes into device, the iron
The alcolhol burner for being heated to bilateral glass tube is provided on pallet, the bilateral glass tube is secured transverse to iron stand
Iron clamp on, bilateral glass tube be equipped with first port and second port, first port by three-way pipe respectively with sulfur dioxide gas
The first end glass tube that body generating means, sulfur dioxide gas volume property probe into device is connected, second port and sulfur dioxide gas
Volume property probes into device second end glass bend pipe and is connected.
The gas generating unit has a spherical drying tube, and spherical drying tube is equipped with third port and the 4th port, and the 3rd
Port is connected with rubber head dropper by single hole rubber stopper seal, and No. 1 outlet in the 4th port and three-way pipe is connected by rubber tube,
No. 2 outlets of three-way pipe are connected with the first port of bilateral glass tube by single hole rubber stopper seal, and No. 2 in three-way pipe go out
Mouth is provided with gas control folder I.
The sulfur dioxide gas volume property probe into device include No. 1 reagent bottle for being both provided with double-hole rubber plug, No. 2
Reagent bottle, No. 3 reagent bottles and No. 4 reagent bottles；
The first end glass tube is inserted into the bottom of No. 1 reagent bottle, passes through between No. 1 reagent bottle and No. 2 reagent bottles
No. 1 double bending glass tube connection, the long end of this No. 1 double bending glass tubes are plugged to the bottom of No. 1 reagent bottle, No. 1 double bending glass
The short end of glass pipe is plugged to the top of No. 2 reagent bottles；
It is connected between No. 2 reagent bottles and No. 3 reagent bottles by No. 2 double bending glass tubes, the length of this No. 2 double bending glass tubes
End is plugged to the bottom of No. 2 reagent bottles, and the short end of No. 2 double bending glass tubes is plugged to the top of No. 3 reagent bottles；
It is connected between No. 3 reagent bottles and No. 4 reagent bottles by No. 3 double bending glass tubes, the length of this No. 3 double bending glass tubes
End is plugged to the bottom of No. 3 reagent bottles, and the short end of No. 3 double bending glass tubes is plugged to the top of No. 4 reagent bottles；
Second end glass bend pipe is inserted into the bottom of No. 4 reagent bottles.
No. 3 mouths of the three-way pipe probe into the first end glass seal of tube of device with the sulfur dioxide gas volume property
It is connected, and No. 3 mouths of three-way pipe is provided with gas control folder II.
Compared with prior art, the beneficial effects of the utility model are：
Iron stand provided by the utility model, bilateral glass tube, drying tube, three-way pipe, reagent bottle, glass bend pipe etc. is all
The article assembled configuration write with facility at one's side compared with previous experimental facilities, has reached material and has been easy to get, makes into complicated teaching aid
Make simple.And in daily teaching Process of experiment, which can be used continuously, simple in structure, can use on a large scale
It promotes, and in use, interest can be enhanced, probed into etc. and solved on textbook by set up situation, extraction problem, scene
Chemical knotty problem, improve the efficiency of teaching of teacher, be greatly facilitated the desire for knowledge of student's Scientific exploration.
The beneficial effects of the utility model are that device integrated design, experiment effect is good, saves the class demonstration time, carries
The success rate of height experiment, can also increase the inquiry of experiment, make student feel it is directly perceived, easily easily, deepen the understanding of knowledge, it is right
Teachers and students' nonhazardous of experiment is participated in, it is free from environmental pollution.
Description of the drawings
Fig. 1 is specific embodiment of the present invention structure diagram；
Fig. 2 is the enlarged drawing of three-way pipe.
Specific embodiment
Specific embodiment of the present utility model as shown in Figure 1,
A kind of sulfur dioxide property one experimental demonstration device, includes iron stand 1, the bilateral glass being located on iron stand 1
Glass pipe 3, sulfur dioxide generating means is respectively equipped at the both ends of bilateral glass tube 3 and sulfur dioxide property probes into device, brandreth
The alcolhol burner 5 heated to bilateral glass tube 3 is provided on platform 1, bilateral glass tube 3 is secured transverse to the iron of iron stand
On folder 11, bilateral glass tube 3 is equipped with first port 31 and second port 32, first port 31 by three-way pipe 6 respectively with dioxy
Change sulphur gas generating unit, sulfur dioxide gas volume property probes into the first end glass tube 43 of device and is connected, second port 32 with
Sulfur dioxide gas volume property probes into device second end glass bend pipe 41 and is connected.
Gas generating unit has a spherical drying tube 2, and spherical drying tube 2 is equipped with 22 and the 4th port 23 of third port, and the 3rd
Port 22 is connected with rubber head dropper 21 by single hole rubber stopper seal, and No. 1 outlet 63 in the 4th port 23 and three-way pipe passes through rubber
Pipe 7 is connected, and No. 2 outlets 64 of three-way pipe are connected with the first port 31 of bilateral glass tube by single hole rubber stopper seal, and
No. 2 64 mouthfuls in three-way pipe are provided with gas control folder I 61.
Sulfur dioxide gas volume property probes into device and includes No. 1 reagent bottle for being both provided with double-hole rubber plug, No. 2 reagents
Bottle, No. 3 reagent bottles and No. 4 reagent bottles；
First end glass tube 43 is inserted into the bottom of No. 1 reagent bottle 47, leads between No. 1 reagent bottle 47 and No. 2 reagent bottles 48
It crosses No. 1 double bending glass tubes 44 to connect, the long ends of this No. 1 double bending glass tubes 44 is plugged to the bottom of No. 1 reagent bottle 47, No. 1
The short end of double bending glass tubes 44 is plugged to the top of No. 2 reagent bottles 48；
It is connected between No. 2 reagent bottles 48 and No. 3 reagent bottles 49 by No. 2 double bending glass tubes 45, this No. 2 double bending glass
The long end of pipe 45 is plugged to the bottom of No. 2 reagent bottles 48, and the short ends of No. 2 double bending glass tubes 45 is plugged to No. 3 reagent bottles 49
Top；
It is connected between No. 3 reagent bottles 49 and No. 4 reagent bottles 42 by No. 3 double bending glass tubes 46, this No. 3 double bending glass
The long end of pipe 46 is plugged to the bottom of No. 3 reagent bottles 49, and the short ends of No. 3 double bending glass tubes 46 is plugged to No. 4 reagent bottles 42
Top；
Second end glass bend pipe 41 is inserted into the bottom of No. 4 reagent bottles 42.
As shown in Figure 2, No. 3 mouths 65 of three-way pipe probe into the first end glass of device with the sulfur dioxide gas volume property
The sealing of glass pipe 43 is connected, and No. 3 mouths 65 of three-way pipe are provided with gas control folder II 62.
The utility model is when specifically used, Preparatory work of experiment stage first：It is given by the third port 22 of spherical drying tube 2
Addition anhydrous sodium sulfite solid in the spheric region of spherical drying tube, the sucking concentrated sulfuric acid, passes through bilateral in rubber head dropper 21
The first port 31 of glass tube 3 adds in the purple reindeer moss examination of the cotton for being soaked with fuchsin solution and moistening in bilateral glass tube 3
Paper adds in sodium hydroxide solution in No. 1 reagent bottle 47, and liquor potassic permanganate is added in No. 2 reagent bottles 48, toward No. 3 reagents
The starch solution of iodine is added in bottle 49, barium chloride solution is added in No. 4 reagent bottles 42, according to 1 attachment device of attached drawing, examines gas
Close property.
Sulfur dioxide gas preparatory phase：Gas control valve 62 is closed, opens gas control valve 61, is squeezed equipped with the concentrated sulfuric acid
Rubber head dropper 21, the concentrated sulfuric acid is added dropwise in the spheric region of spherical drying tube 2, generates gas.
The sulfur dioxide property checking stage：The sulfur dioxide gas of generation passes through No. 1 outlet 63 of three-way pipe and three-way pipe 2
Outlet 64 is connected into bilateral glass tube 3, the cotton for being soaked with fuchsin solution of the inside is made to fade, purple litmus paper becomes
It is red, gas control valve 61 is closed, it is soaked with what is faded in the heating bilateral of alcolhol burner 5 glass tube 3 under the cotton of fuchsin solution
Side, cotton become red again from colourless.
The property exploration stage of sulfur dioxide：Gas control valve 61 is opened, the sulfur dioxide gas of generation passes through bilateral glass
32 director's conduit 41 of second port and No. 4 reagent bottles 42 of glass pipe 3 are tightly connected, and are sequentially entered to No. 4 42 barium chlorides of reagent bottle
Solution, the starch solution of No. 3 49 iodine of reagent bottle, No. 2 48 liquor potassic permanganates of reagent bottle and No. 1 47 sodium hydroxide of reagent bottle are molten
In liquid, corresponding reaction occurs, starch solution of the barium chloride solution without phenomenon, iodine fades, liquor potassic permanganate fades and hydrogen-oxygen
Change sulfur dioxide absorption gas in sodium solution, complete probing into for corresponding sulfur dioxide property.
It is finally the tail gas absorption stage of sulfur dioxide：Gas control valve 61 is closed, opens gas control valve 62, it is extra to allow
The gas of sulfur dioxide directly entered by first end glass tube 43 in No. 1 47 sodium hydroxide solution of reagent bottle, into end of line
Gas disposal.
Claims (4)
1. a kind of sulfur dioxide property one experimental demonstration device, includes iron stand（1）, it is located at iron stand（1）On bilateral
Glass tube（3）, in bilateral glass tube（3）Both ends be respectively equipped with sulfur dioxide generating means and sulfur dioxide property probes into dress
It puts, the iron stand（1）On be provided with for bilateral glass tube（3）The alcolhol burner heated（5）, it is characterised in that：
The bilateral glass tube（3）It is secured transverse to the iron clamp of iron stand（11）On, bilateral glass tube（3）Equipped with first port（31）
With second port（32）, first port（31）Pass through three-way pipe（6）Respectively with sulfur dioxide gas generating means, sulfur dioxide gas
Volume property probes into the first end glass tube of device（43）It is connected, second port（32）Device is probed into sulfur dioxide gas volume property
Second end glass bend pipe（41）It is connected.
A kind of 2. sulfur dioxide property one experimental demonstration device according to claim 1, which is characterized in that the gas
Body generating means has spherical drying tube（2）, spherical drying tube（2）Equipped with third port（22）With the 4th port（23）, the 3rd end
Mouthful（22）With rubber head dropper（21）It is connected by single hole rubber stopper seal, the 4th port（23）With No. 1 outlet of three-way pipe（63）It is logical
Cross rubber tube（7）It is connected, No. 2 outlets of three-way pipe（64）With the first port of bilateral glass tube（31）Pass through single hole rubber stopper
It is tightly connected, and at No. 2 of three-way pipe（64）Mouth is provided with gas control folder I（61）.
A kind of 3. sulfur dioxide property one experimental demonstration device according to claim 1, which is characterized in that described two
Sulfur oxide gas property probes into device and includes No. 1 reagent bottle for being both provided with double-hole rubber plug（47）, No. 2 reagent bottles（48）、3
Number reagent bottle（49）With No. 4 reagent bottles（42）；
The first end glass tube（43）It is inserted into No. 1 reagent bottle（47）Bottom, No. 1 reagent bottle（47）With No. 2 reagent bottles
（48）Between pass through No. 1 double bending glass tube（44）Connection, this No. 1 double bending glass tube（44）Long end plug to No. 1 reagent
Bottle（47）Bottom, No. 1 double bending glass tube（44）Short end plug to No. 2 reagent bottles（48）Top；
No. 2 reagent bottles（48）With No. 3 reagent bottles（49）Between pass through No. 2 double bending glass tubes（45）Connection, this No. 2 double bending glass
Glass pipe（45）Long end plug to No. 2 reagent bottles（48）Bottom, No. 2 double bending glass tubes（45）Short end plug to No. 3 examination
Agent bottle（49）Top；
No. 3 reagent bottles（49）With No. 4 reagent bottles（42）Between pass through No. 3 double bending glass tubes（46）Connection, this No. 3 double bending glass
Glass pipe（46）Long end plug to No. 3 reagent bottles（49）Bottom, No. 3 double bending glass tubes（46）Short end plug to No. 4 examination
Agent bottle（42）Top；
Second end glass bend pipe（41）It is inserted into No. 4 reagent bottles（42）Bottom.
A kind of 4. sulfur dioxide property one experimental demonstration device according to claim 3, which is characterized in that described three
No. 3 mouths of siphunculus（65）The first end glass tube of device is probed into the sulfur dioxide gas volume property（43）Sealing is connected, and
In No. 3 mouths of three-way pipe（65）It is provided with gas control folder II（62）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960119.2U CN207441091U (en) | 2017-08-03 | 2017-08-03 | Sulfur dioxide property one experimental demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960119.2U CN207441091U (en) | 2017-08-03 | 2017-08-03 | Sulfur dioxide property one experimental demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441091U true CN207441091U (en) | 2018-06-01 |
Family
ID=62301783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720960119.2U Expired - Fee Related CN207441091U (en) | 2017-08-03 | 2017-08-03 | Sulfur dioxide property one experimental demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187126A (en) * | 2018-09-05 | 2019-01-11 | 李海志 | Laboratory prepares the micro device and method of sulfur dioxide |
-
2017
- 2017-08-03 CN CN201720960119.2U patent/CN207441091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187126A (en) * | 2018-09-05 | 2019-01-11 | 李海志 | Laboratory prepares the micro device and method of sulfur dioxide |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190803 |