CN210965151U

CN210965151U - Experimental device for chemical reaction gas

Info

Publication number: CN210965151U
Application number: CN201921883192.XU
Authority: CN
Inventors: 刘志慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-10
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to a teaching aid technical field just discloses a gaseous experimental apparatus of chemical reaction, including the experimental box, the middle part fixedly connected with handle of experimental box upper surface, the front side of right side wall rotates through the left surface of two sets of hinges and panel in the experimental box to be connected, the air intake has been seted up to the bottom of experimental box left surface, the left side of air intake is provided with the dust cover. This chemical reaction gas's experimental apparatus, through the experimental box, the panel, the absorbent cotton layer, activated carbon layer and exhaust fan cooperation, make whole reaction process all go on in the closed environment, the harmful tail gas that produces in the chemical experiment process filters poisonous harmful solid particle through the absorbent cotton layer, poisonous harmful gas and steam are filtered on the activated carbon layer, clean gas passes through the exhaust fan at last and discharges outside experimental apparatus, thereby realized the poisonous harmful gas filtration treatment to production in the chemical reaction, master and student's is healthy to have been protected.

Description

Experimental device for chemical reaction gas

Technical Field

The utility model relates to a teaching aid technical field specifically is a gaseous experimental apparatus of chemical reaction.

Background

In the chemical teaching process, chemical experiments can be the most intuitive embodiment of the chemical reaction principle, students can have deeper memory on the teaching contents of a classroom through the demonstration of the experiment process by teachers, and the chemical experiments are often accompanied with dangers, so that an experiment device for chemical reaction gas is increasingly needed; the general reaction gas experiment is carried out in a relatively closed indoor environment; the chemical reaction gas device in the prior art has insufficient protection for teachers and students, and the treatment of harmful gas is difficult.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a gaseous experimental apparatus of chemical reaction has solved prior art chemical reaction gaseous device and has been insufficient to teacher and student's protectiveness, the comparatively difficult problem of harmful gas's processing.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an experimental device of chemical reaction gas comprises an experimental box, wherein a handle is fixedly connected to the middle of the upper surface of the experimental box, the front side of the right side wall in the experimental box is rotatably connected with the left side surface of a panel through two groups of hinges, an air inlet is formed in the bottom of the left side surface of the experimental box, a dust cover is arranged on the left side of the air inlet, a filter is arranged in the middle of the right side wall in the experimental box and comprises a filter cover, a degreasing cotton layer and an active carbon layer are arranged in the filter cover, an exhaust fan is fixedly connected to the middle of the right side surface of the experimental box, a conical reaction bottle is arranged on the left side of the inner side wall of the experimental box, test tube supporting tables are arranged on the middle and the right sides of the inner side wall of the experimental box, test tubes are arranged on the upper surfaces of the test tube supporting tables, a communicating, an operation glove is arranged in the operation hole.

Preferably, the dust screen is arranged inside the air inlet, the dust screen is made of stainless steel, and the hole density of the dust screen is sixty meshes.

Preferably, the front side of the middle part of the left side surface outside the experimental box is fixedly connected with a locking ring, and the front side of the middle part of the right side surface of the panel is fixedly connected with a locking hook matched with the locking ring.

Preferably, the handle surface is provided with the skid resistant course, and the skid resistant course material is silica gel, and the skid resistant course surface is provided with anti-skidding line.

Preferably, four corners of the lower surface of the experimental box are fixedly connected with gaskets made of rubber.

Preferably, the panel and the experimental box are both made of transparent acrylic plates, and the wall thickness of the panel and the wall thickness of the experimental box are both five millimeters.

(III) advantageous effects

Compared with the prior art, the utility model provides a gaseous experimental apparatus of chemical reaction possesses following beneficial effect:

1. this chemical reaction gas's experimental apparatus, through the experimental box, the panel, the absorbent cotton layer, activated carbon layer and exhaust fan cooperation, make whole reaction process all go on in the closed environment, the harmful tail gas that produces in the chemical experiment process filters poisonous harmful solid particle through the absorbent cotton layer, poisonous harmful gas and steam are filtered on the activated carbon layer, clean gas passes through the exhaust fan at last and discharges outside experimental apparatus, thereby realized the poisonous harmful gas filtration treatment to production in the chemical reaction, master and student's is healthy to have been protected.

2. This chemical reaction gas's experimental apparatus through setting up the handle hole for the teacher can install and operate experimental apparatus through the operation gloves in the handle hole, thereby has stopped corrosive liquids and has made whole experimentation safer to teacher's injury.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

fig. 3 is a schematic view of the closed structure of the present invention.

In the figure: 1. an experimental box; 2. a handle; 3. a hinge; 4. a panel; 5. an air inlet; 6. a filter; 601. a filter housing; 602. a layer of absorbent cotton; 603. an activated carbon layer; 7. an exhaust fan; 8. a conical reaction flask; 9. a test tube support table; 10. a test tube; 11. a communicating pipe; 12. a locking ring; 13. a latch hook; 14. a gasket; 15. an operation hole; 16. a dust cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an experimental device for chemical reaction gas comprises an experimental box 1, wherein a handle 2 is fixedly connected to the middle of the upper surface of the experimental box 1, the front side of the right side wall in the experimental box 1 is rotatably connected with the left side surface of a panel 4 through two groups of hinges 3, an air inlet 5 is formed in the bottom of the left side surface of the experimental box 1, a dust cover 16 is arranged on the left side of the air inlet 5, a filter 6 is arranged in the middle of the right side wall in the experimental box 1, the filter 6 comprises a filter cover 601, a degreasing cotton layer 602 and an active carbon layer 603 are arranged inside the filter cover 601, an exhaust fan 7 is fixedly connected to the middle of the right side surface of the experimental box 1, the whole reaction process is carried out in a closed environment through the cooperation of the experimental box 1, the panel 4, the degreasing cotton layer 602, the active carbon layer 603 and the exhaust fan 7, toxic and harmful gas are filtered by harmful tail gas generated in the chemical experimental process through the degreasing, at last clean gas discharges outside experimental apparatus through exhaust fan 7, thereby realized the poisonous and harmful gas filtration treatment to producing in the chemical reaction, teachers and students 'is protected healthy, the left side of 1 inner bottom lateral wall of experimental box is provided with toper reaction bottle 8, the middle part and the right side of 1 inner bottom lateral wall of experimental box all are provided with test tube supporting platform 9, test tube supporting platform 9 upper surface is provided with test tube 10, be provided with communicating pipe 11 between toper reaction bottle 8 and the test tube 10, operation hole 15 has all been seted up to the left and right sides at the 1 back of experimental box, operation hole 15 inside is provided with operating glove, through setting up operation hole 15, make the teacher install and operate experimental apparatus through operating glove in the operation hole 15, thereby stopped corrosive liquids to teacher's injury, make whole experimentation safer.

The utility model discloses in, in order to prevent the impurity particle interference experiment in the outside air, consequently at 5 inside dust screens that are provided with of air intake, the material of dust screen is 304 stainless steel, and the hole density of dust screen is sixty meshes, through setting up the dust screen, has reduced the possibility that outside impurity particle gets into reaction unit.

The utility model discloses in, in order to further improve chemical reaction's security, consequently at the outer front side fixedly connected with lock collar 12 in left surface middle part of experimental box 1, the front side fixedly connected with in the middle part of the 4 right flank of panel and the latch hook 13 of 12 looks adaptations of lock collar 12 cooperate through lock collar 12 and latch hook 13 for panel 4 can lock on experimental box 1, thereby has reduced the reaction unit and has turned on one's side and has spilt the possibility of hindering the people.

The utility model discloses in, for making the gaseous experimental apparatus of chemical reaction have the portability, consequently be provided with the skid resistant course at 2 surfaces of handle, the skid resistant course material is silica gel, and the skid resistant course surface is provided with anti-skidding line, has increased the frictional force between hand and the handle 2 to experimental apparatus from the possibility of landing in the hand has been reduced.

The utility model discloses in, for further improvement chemical reaction gas experimental apparatus's stability, consequently at the equal fixedly connected with in four corners gasket 14 chemical reaction gas's of experimental box 1 chemical reaction gas's experimental apparatus lower surface experimental apparatus, gasket 14 chemical reaction gas's experimental apparatus's material is rubber, has increased the frictional force of reaction gas experimental apparatus to the desktop through setting up gasket 14 chemical reaction gas's experimental apparatus, has improved stability.

The utility model discloses in, in order to make the gaseous reaction in the gaseous experimental apparatus of the observation reaction that the student is clear, consequently panel 4 and experimental box 1's material is transparent ya keli board, and panel 4 and experimental box 1's wall thickness is five millimeters, through the material setting to panel 4 and experimental box 1 for whole gaseous reaction is observed by the student is clear.

When using, take off dust cover 16, pass operation hole 15 with the hand, dress operation hole 15 internal operation gloves, to 8 internal inclinations of toper reaction bottle reaction liquid, closing panel 4, with lock collar 12 straining latch hook 13, reaction gas is collected in test tube 10 through communicating pipe 11, control exhaust fan 7 starts, the inside and outside atmospheric pressure difference that forms of chemical reaction gas experimental apparatus, outside gas is by in 5 entering chemical reaction experimental apparatus of air intake, the harmful tail gas that produces passes through absorbent cotton layer 602 and filters poisonous harmful solid particle among the chemical experiment process, activated carbon layer 603 filters poisonous harmful gas and steam, final clean gas discharges outside experimental apparatus through exhaust fan 7.

To sum up, this chemical reaction gas's experimental apparatus, through experimental box 1, panel 4, absorbent cotton layer 602, activated carbon layer 603 and exhaust fan 7 cooperation, make whole reaction process all go on in the closed environment, harmful tail gas that produces in the chemical experiment process filters poisonous harmful solid particle through absorbent cotton layer 602, activated carbon layer 603 filters poisonous harmful gas and steam, clean gas passes through exhaust fan 7 at last and discharges outside experimental apparatus, thereby realized the poisonous harmful gas filtration treatment who produces in the chemical reaction, the healthy of teachers and students has been protected.

This gaseous experimental apparatus of chemical reaction is through setting up handle hole 15 for the teacher can install and operate experimental apparatus through the operation gloves in the handle hole 15, thereby has stopped corrosive liquids and has made whole experimentation safer to teacher's injury.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An experimental device for chemical reaction gas, which comprises an experimental box (1) and is characterized in that: the middle part fixedly connected with handle (2) of experimental box (1) upper surface, the front side of right side wall rotates with the left surface of panel (4) through two sets of hinges (3) in experimental box (1) to be connected, air intake (5) have been seted up to the bottom of experimental box (1) left surface, the left side of air intake (5) is provided with dust cover (16), the middle part of right side wall is provided with filter (6) in experimental box (1), filter (6) include filter mantle (601), filter mantle (601) inside is provided with absorbent cotton layer (602) and active carbon layer (603), experimental box (1) right side middle part fixedly connected with exhaust fan (7), the left side of experimental box (1) inner bottom lateral wall is provided with toper reaction bottle (8), the middle part and the right side of experimental box (1) inner bottom lateral wall all are provided with test tube supporting bench (9), test tube (10) are provided with to test tube supporting bench (9) upper surface, be provided with communicating pipe (11) between toper reaction bottle (8) and test tube (10), operation hole (15) have all been seted up to the left and right sides at experimental box (1) back, and operation gloves are provided with to operation hole (15) inside.

2. The chemical reaction gas experimental apparatus according to claim 1, wherein: the dust screen is arranged inside the air inlet (5), the dust screen is made of 304 stainless steel, and the hole density of the dust screen is sixty meshes.

3. The chemical reaction gas experimental apparatus according to claim 1, wherein: the front side fixedly connected with lock ring (12) in the middle part of the outer left side of experimental box (1), the front side fixedly connected with lock hook (13) with lock ring (12) looks adaptation in the middle part of the right side of panel (4).

4. The chemical reaction gas experimental apparatus according to claim 1, wherein: handle (2) surface is provided with the skid resistant course, and the skid resistant course material is silica gel, and the skid resistant course surface is provided with the anti-skidding line.

5. The chemical reaction gas experimental apparatus according to claim 1, wherein: all fixedly connected with gasket (14) in the four corners of experimental box (1) lower surface, the material of gasket (14) is rubber.

6. The chemical reaction gas experimental apparatus according to claim 1, wherein: the panel (4) and the experimental box (1) are both made of transparent acrylic plates, and the wall thickness of the panel (4) and the wall thickness of the experimental box (1) are both five millimeters.