CN202838785U - Gas experiment micro environmental protection device - Google Patents
Gas experiment micro environmental protection device Download PDFInfo
- Publication number
- CN202838785U CN202838785U CN 201220518324 CN201220518324U CN202838785U CN 202838785 U CN202838785 U CN 202838785U CN 201220518324 CN201220518324 CN 201220518324 CN 201220518324 U CN201220518324 U CN 201220518324U CN 202838785 U CN202838785 U CN 202838785U
- Authority
- CN
- China
- Prior art keywords
- syringe
- syringe tube
- pipe
- protection device
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of teaching instruments and particularly relates to a gas experiment micro environmental protection device. The gas experiment micro environmental protection device comprises an injector (1), a first injector pipe (5), a second injector pipe (7), a t-branch pipe (9), an infusion guide pipe (8), a straight guide pipe (10) and a third injector pipe (11), and is characterized in that one end of the t-branch pipe (9) is connected with the first injector pipe (5) through the infusion guide pipe (8), one end of the t-branch pipe (9) is connected with the second injector pipe (7) through the infusion guide pipe (8), one end of the t-branch pipe (9) is connected with the straight guide pipe (10) through the infusion guide pipe (8), wherein the first injector pipe (5) and the second injector pipe (7) are arranged above the third injector pipe (11), and the second injector pipe (7) is arranged on one side of the first injector pipe (5). By means of the gas experiment micro environmental protection device, experiment progress can be controlled well, escape amount of carbon dioxide is reduced, and experiment environmental protection degrees can be improved.
Description
Technical field
The utility model belongs to technical field of teaching instruments, is specifically related to gas experiment Miniature environmental-protection device.
Background technology
Left experiment, the chemistry teaching reform of substance, essence of just being far from being, let alone implement in full quality-oriented education and advance the reform of fresh course.Therefore, experiment is the important component part of chemistry teaching, is the important step that improves the junior middle school chemistry quality of instruction, and tool is of great significance in chemistry teaching.
Design Self-made Realia and can cultivate student's innovation ability, improve its comprehensive attainment, can replenish again the deficiency of existing instrument.So with current techique practice and the teaching aid that the chemical experiment innovation realization merges, can embody design concept, Green Chemistry theory and the physical knowledge principle of current techique, can really reach the standard that material was easy to get, made simple, environmental protection, is easy to promote.This class teaching aid is suitable for the student to be made personally, can cultivate its innovation and integrated practice ability.
The living environment of environmental protection is that our common institute expects and has.Along with the theory of Green Chemistry is progressively accepted by numerous chemistry teachers, Greening of Chemistry Experiment has become new trend and the new problem of middle school chemical experiment reform.Improving original experimental provision, self-control Miniature environmental-protection chemistry teaching aid, also is one of important measures that realize Greening of Chemistry Experiment undoubtedly.Therefore, adopting the current techique thought and method, is material with easily available plastic injector and transfusion device part, designs and produces the gas experiment Miniature environmental-protection device with greenization theory, to a great extent positive response the requirement of green experiment link.
Summary of the invention
The purpose of this utility model will provide the fine control experiment of a kind of energy process exactly, can reduce the escaped quantity of carbon dioxide, can improve the gas experiment Miniature environmental-protection device of experiment environmental protection degree.
The utility model is achieved through the following technical solutions:
Gas experiment Miniature environmental-protection device, comprise syringe 1, the first syringe tube 5, the second syringe tube 7, three-way pipe 9, transfusion catheter 9, straight catheter 10 and the 3rd syringe tube 11, it is characterized in that: described three-way pipe 9 is connected with the first syringe tube 5 by transfusion catheter 9 one ends, one end is connected with the second syringe tube 7 by transfusion catheter 9, one end is connected with straight catheter 10 by transfusion catheter 9, wherein the first syringe tube 5 and the second syringe tube 7 are positioned at the 3rd syringe tube 11 tops, and the second syringe tube 7 is positioned at the first syringe tube 5 one sides.
Be provided with rubber piston 3 in described the first syringe tube 5, wherein the syringe needle of syringe 1 penetrates rubber piston 3 and syringe needle extends to the first syringe tube 5 bottoms.
Described straight catheter 10 is built in the 3rd syringe tube 11 and extends to its bottom, and the 3rd syringe tube 11 bottoms are provided with little Capsule 12.
Described the second syringe tube 7 upper ends are provided with cotton mass 6.
In the described syringe 1 watery hydrochloric acid 2 is housed, is placed with lime stone 4 in the first syringe tube 5 bottoms.
Described syringe 1 volume is 5ml, and the first syringe tube 5 volumes are 20ml, and the second syringe tube 7 and the 3rd syringe tube 11 volumes are 30ml.
Compared with prior art, the beneficial effects of the utility model are:
The gas experiment Miniature environmental-protection device that the syringe 1 that the utility model provides, the first syringe tube 5, the second syringe tube 7, three-way pipe 9, transfusion catheter 9, straight catheter 10 and the 3rd syringe tube 11 form, mainly be required for " character of carbon dioxide and method for making " inquiry activity, it has following characteristics:
1, finishes producing, collect and checking of carbon dioxide in the gas experiment Miniature environmental-protection device, vivo demonstrated the reaction of carbon dioxide and NaOH by fountain experiment, strengthened experiment interesting.
2, add speed and the amount that watery hydrochloric acid is controlled carbon dioxide generating by little syringe, can fine control test process, can reduce the escaped quantity of carbon dioxide, can improve experiment environmental protection degree.
3, experimental provision is miniature, agents useful for same is micro-, and the greenization theory got in this chemical experiment and demonstrates fully.
4, can saving funds, satisfy the teaching requirement, the creativity consciousness that can also inspire the student excites the interest of learning chemistry.
Description of drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Among the figure: syringe 1, watery hydrochloric acid 2, rubber piston 3, lime stone 4, the first syringe tube 5, cotton mass 6, the second syringe tube 7, transfusion catheter 8, three-way pipe 9, straight catheter 10, syringe tube 3 11, little Capsule 12.
Embodiment
Below in conjunction with Fig. 1 the utility model is described further:
Gas experiment Miniature environmental-protection device comprises syringe 1, watery hydrochloric acid 2, rubber piston 3, lime stone 4, the first syringe tube 5, cotton mass 6, the second syringe tube 7, transfusion catheter 8, three-way pipe 9, straight catheter 10, syringe tube 3 11, little Capsule 12.
As shown in Figure 1, wherein three-way pipe 9 is connected with the first syringe tube 5 by transfusion catheter 9 one ends, be provided with rubber piston 3 in the first syringe tube 5, the syringe needle of syringe 1 penetrates rubber piston 3 and syringe needle extends to the first syringe tube 5 bottoms, watery hydrochloric acid 2 is housed in the syringe 1, is placed with lime stone 4 in the first syringe tube 5 bottoms; One end is connected with the second syringe tube 7, the second syringe tubes 7 upper ends by transfusion catheter 9 and is provided with cotton mass 6; One end is connected with straight catheter 10 by transfusion catheter 9, and straight catheter 10 is built in the 3rd syringe tube 11 and extends to its bottom, and the 3rd syringe tube 11 bottoms are provided with little Capsule 12; Wherein the first syringe tube 5 and the second syringe tube 7 are positioned at the 3rd syringe tube 11 tops, and the second syringe tube 7 is positioned at the first syringe tube 5 one sides.
The utility model adds an amount of tiny lime stone 4 at first for the first syringe tube 5 interior bottoms in use, and syringe 1 interior suction capacity watery hydrochloric acid 2 is given a small amount of clear water of the 3rd syringe tube 11 interior Shengs, allows straight catheter 10 lower ends guarantee to insert in the water; Follow the gently push rod of pushing syringe 1, dropwise add watery hydrochloric acid 2 and produce carbon dioxide, carbon dioxide enters gas collection with in the second syringe tube 7 by three-way pipe 9, venting inner air tube and being collected upwards slowly, then take off after a while the cotton mass 6 of the second syringe tube 7 oral areas, check carbon dioxide with the batten that is firing at the mouth of pipe; Next is used rubber piston 3 instead and clogs gas collection with the second syringe tube 7 mouths of pipe, and straight catheter 10 is inserted respectively in the 3rd syringe tube 11 that fills a small amount of purple reindeer moss solution, clarification lime water, observes the variation of the two; Last again straight catheter 10 insertion fills in the 3rd syringe tube 11 of an amount of dilute solution of sodium hydroxide, the push rod of pushing syringe 1 again, watery hydrochloric acid 2 is wherein all added the first syringe tube 5 interior bottoms, to add fashionable attention suitably downward-sloping with the first syringe tube 5, prevent that liquid flows into the 3rd syringe tube 11 from peace pin mouth in it, treat lime stone 4 approach exhaustions, the push rod of push-and-pull syringe 1 gently again, impel the dissolving of carbon dioxide, to see that after a while the sodium hydroxide solution suck-back enters in the second syringe tube 7, almost is full of whole the second syringe tube 7 at last.
Should be noted that following item when using the utility model: the second syringe tube 7 of experimental provision keeps vertical state with straight catheter 10, is 45 ° of states with the first syringe tube 5; The concentration of sodium hydroxide solution is unsuitable excessive.
Claims (6)
1.
Gas experiment Miniature environmental-protection device, comprise syringe (1), the first syringe tube (5), the second syringe tube (7), three-way pipe (9), transfusion catheter (9), straight catheter (10) and the 3rd syringe tube (11), it is characterized in that: described three-way pipe (9) is connected with the first syringe tube (5) by transfusion catheter (9) one ends, one end is connected with the second syringe tube (7) by transfusion catheter (9), one end is connected with straight catheter (10) by transfusion catheter (9), wherein the first syringe tube (5) and the second syringe tube (7) are positioned at the 3rd syringe tube (11) top, and the second syringe tube (7) is positioned at the first syringe tube (5) one sides.
2. gas experiment Miniature environmental-protection device as claimed in claim 1, it is characterized in that: be provided with rubber piston (3) in described the first syringe tube (5), wherein the syringe needle of syringe (1) penetrates rubber piston (3) and syringe needle and extends to the first syringe tube (5) bottom.
3. gas experiment Miniature environmental-protection device as claimed in claim 1 is characterized in that: described straight catheter (10) is built in the 3rd syringe tube (11) and extends to its bottom, and the 3rd syringe tube (11) bottom is provided with little Capsule (12).
4. gas experiment Miniature environmental-protection device as claimed in claim 1 is characterized in that: be provided with cotton mass (6) on described the second syringe tube (7).
5. gas experiment Miniature environmental-protection device as claimed in claim 1 is characterized in that: watery hydrochloric acid (2) is housed in the described syringe (1), is placed with lime stone (4) in the first syringe tube (5) bottom.
6. gas experiment Miniature environmental-protection device as claimed in claim 1, it is characterized in that: described syringe (1) volume is 5ml, and the first syringe tube (5) volume is 20ml, and the second syringe tube (7) and the 3rd syringe tube (11) volume are 30ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518324 CN202838785U (en) | 2012-10-10 | 2012-10-10 | Gas experiment micro environmental protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220518324 CN202838785U (en) | 2012-10-10 | 2012-10-10 | Gas experiment micro environmental protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838785U true CN202838785U (en) | 2013-03-27 |
Family
ID=47950433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220518324 Expired - Fee Related CN202838785U (en) | 2012-10-10 | 2012-10-10 | Gas experiment micro environmental protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862957A (en) * | 2017-12-22 | 2018-03-30 | 魏凡博 | One kind experiment reaction integrated apparatus |
-
2012
- 2012-10-10 CN CN 201220518324 patent/CN202838785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862957A (en) * | 2017-12-22 | 2018-03-30 | 魏凡博 | One kind experiment reaction integrated apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202838785U (en) | Gas experiment micro environmental protection device | |
| CN203673734U (en) | Environment-friendly type demonstration apparatus for experiment of reducing copper oxide with carbon monoxide | |
| CN203966421U (en) | Reactive liquid solution produces fountain pilot demonstration device | |
| CN204229728U (en) | A kind of chlorella photosynthesis teaching and experimental demonstration device | |
| CN206471034U (en) | The experimental provision that acetylene occurs and purified | |
| CN202838786U (en) | Display device of decomposing of hypochlorous acid | |
| CN202808956U (en) | Multipurpose salt water electrolysis and chlorine double-absorption device | |
| CN207264658U (en) | Simulating plant root, Rhizosphere ecosystem simulator | |
| CN203588550U (en) | Demonstrating device of catalytic mechanism in ethanol catalytic oxidation and ethanol catalytic product verification | |
| CN202081110U (en) | Constant concentration cell culture device with micropump control function | |
| CN202332013U (en) | Improved demonstrator for Magdeburg hemispheres test | |
| CN204650877U (en) | The oxygenous experimental provision of photosynthesis | |
| CN206349057U (en) | It is nitric oxide production to produce and its property experiment device | |
| CN204495608U (en) | A kind of clinical laboratory Sputamentum sampler | |
| CN204010474U (en) | The modifying device of laboratory gas collection | |
| CN105582600B (en) | A kind of insect micro-injection method based on manual microinjector | |
| CN202490224U (en) | Novel liquid guiding bag | |
| CN202297795U (en) | Double-pipe injection type water electrolyzer | |
| CN200993837Y (en) | Chemistry experiment demonstrating device | |
| CN201812404U (en) | Osmosis demonstration device | |
| CN215814750U (en) | Two-in-one simple experimental device for verifying photosynthesis and respiration of plants | |
| CN203799553U (en) | Experimental apparatus of current chemical effect | |
| CN203706549U (en) | NO experimental device | |
| CN201035806Y (en) | Simple device for preparing oxygen | |
| CN201139829Y (en) | Infusion compression apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131010 |