CN209034390U - A kind of multifunctional chemical instructional device - Google Patents

Abstract

It include experimental framework the utility model discloses a kind of multifunctional chemical instructional device, reaction unit and purification collection device are provided on the experimental framework, the reaction unit includes solid reaction device and liquid reactions device, and emergency set and the pullable carrying platform for adjusting heat source position are respectively arranged with above and below the solid reaction device and liquid reactions device；The liquid reactions device includes two and is oppositely arranged, the sliding sash of supporting test tube one end respectively, two sliding sashes can move up and down on experimental framework, the adjustable plate that can limit test tube horizontal position is slidably fitted on the sliding sash, the opposite face of the adjustable plate and side sliding sash is equipped with the fastening rubber block for clamping test tube, the utility model is suitable for a variety of different types of chemical reactions, and purification discharge can be carried out to the exhaust gas generated in experimentation, emergency processing can also be carried out to emergency situations.

Description

A kind of multifunctional chemical instructional device

Technical field

The utility model relates to instructional device field, specially a kind of multifunctional chemical instructional device.

Background technique

Currently, often will do it various experiments in chemical experiment classroom, usually apply to various experiment equipments and Chemical reagent.Since experiment type different in chemistry experiment is commonly applied to different experiment equipments, not only increase Instruction cost and Renovation expense, and waste experiment equipment conversion time.Therefore many schools are badly in need of having now There is multi-functional chemistry teaching device, to simplify experimental procedure, improves the utilization rate of experimental provision, save cost.

For example, patent name is a kind of reality of instructional device for chemical experiment application No. is 201621329591.8 With new patent:

It provides a kind of instructional device for chemical experiment, and structure designs advantages of simple, easy to operate, can put simultaneously The laboratory apparatus of multiple chemical experiments is set, and experiment conversion can easily be carried out, high conversion efficiency does not delay instructional blocks of time, tool There is good practical value.

But existing chemistry teaching device has the following deficiencies:

(1) function of existing chemistry teaching device is generally relatively simple, and a kind of equipment is typically only capable to be applied to a kind of spy Fixed experiment, different experiments need replacing different experimental provisions, not only increase the time of transition experiment equipment, and Increase instruction cost；

(2) if the exhaust gas generated in experimentation be easy to cause environmental pollution without processing direct emission, or even exist Security risk, therefore the exhaust gas timely generated in cleaning experiment seems very necessary；

(3) process tested has many uncontrollable factors, the experiment of especially some vigorous reactions, if situation one Denier is out of control, is easy to cause safety accident, therefore chemistry teaching device should be equipped with necessary emergency measure.

Summary of the invention

In order to overcome the shortcomings of prior art, the utility model provides a kind of multifunctional chemical instructional device, can have Effect solves the problems, such as that background technique proposes.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of multifunctional chemical instructional device includes experimental framework, is provided on the experimental framework suitable for a variety of differences The reaction unit of type chemical reaction and to reaction after waste gas and waste liquid be collected the purification collection device of processing, the reaction Device includes arranged side by side it is anti-can being located at the solid with the solid reaction device and liquid reactions device of up and down adjustment position It answers and is respectively arranged with emergency set above and below device and liquid reactions device and can pull for adjust heat source position The carrying platform of formula.

The liquid reactions device includes two and is oppositely arranged, respectively the sliding sash of supporting test tube one end, two cunnings Frame can move up and down on experimental framework, and the adjustable plate that can limit test tube horizontal position is slidably fitted on the sliding sash, The opposite face of the adjustable plate and side sliding sash is equipped with the fastening rubber block for clamping test tube.

Further, the emergency set includes the loading box for storing fire extinguishing matrix, is provided in the loading box For discharging the pulling plate for matrix of putting out a fire in loading box, the side of the pulling plate is equipped with the pull ring for facilitating extraction pulling plate.

Further, the solid reaction device includes being slidably mounted on the experimental framework for loading reactant Reaction platform, the top of the reaction platform are equipped with exhaust tube, are equipped with aspiration pump on the exhaust tube, the exhaust tube One end is connected to purification collection device.

Further, the purification collection device includes several exhaust gas filtering flasks for filtering polluted gas and right The gas collection bottle or exhaust pipe that filtered gas is collected.

Further, limited block is equipped with below the solid reaction device and liquid reactions device.

Further, the bottom surface of the loading box is equipped with several leak holes.

Compared with prior art, the utility model has the beneficial effects that

(1) the chemistry teaching device of the utility model has multiple functions, can be suitable for a variety of different types of chemistry Teaching experiment, different experiments do not need frequently to replace experimental provision, save the time of transition experiment equipment, reduce teaching Cost；

(2) device of the utility model possesses exhaust treatment system, the exhaust gas generated in experiment can be cleared up in time, be kept away Exempt from unnecessary security risk, while having reduced environmental pollution, builds safe and healthy experimental situation；

(3) emergency system for different experiments is mounted in the reaction unit of the utility model, there are larger in experiment Fault, or will cause to open emergency system before safety accident in time, avoid the generation of accident.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the side structure schematic diagram of the utility model；

Fig. 3 is the partial structural diagram of the utility model.

Figure label:

1- experimental framework；2- reaction unit；3- purifies collection device；4- solid reaction mechanism；5- liquid reactions device；6- Emergency set；7- carrying platform；8- limited block；

301- exhaust gas filtering flask；302- gas collection bottle；303- exhaust pipe；401- reaction platform；402- exhaust tube；403- Aspiration pump；

501- sliding sash；502- adjustable plate；503- fastens rubber block；

601- loading box；602- pulling plate；603- pull ring；604- leak hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1 to Figure 3, it includes experimental framework 1 that the utility model, which provides a kind of multifunctional chemical instructional device, real Waste gas and waste liquid after being provided on frame 1 suitable for the reaction unit 2 of a variety of different types chemical reaction and to reaction is tested to carry out The purification collection device 3 of processing is collected, reaction unit 2 can be with the solid reaction device of up and down adjustment position including what is be arranged side by side 4 and liquid reactions device 5.User can select different reaction classes according to the setting of course in the same instructional device Type.In view of solid reaction is usually the reaction between solid and gas or between solid and solid, and liquid reactions are mostly liquid Body and liquid, the reaction between liquid and solid, so 4 opposing seal of solid reaction device is arranged, liquid reactions device 5 is opened Open form setting.It is respectively arranged with emergency set 6 above and below solid reaction device 4 and liquid reactions device 5 and uses In the pullable carrying platform 7 for adjusting heat source position.Just be moved to heat source by carrying platform 7 when which kind of is reacted The lower end of which kind of reaction unit.

Wherein, liquid reactions device 5 is oppositely arranged including two, respectively the sliding sash 501 of supporting test tube one end.Two cunnings Frame 501 can move up and down on experimental framework 1, to adjust the inclination reaction angle of test tube.Here test tube can also replace It is changed to other reaction units, or even the reaction vessel for installing solid matter.In view of experimental provision should have relatively by force Applicability, to adapt to the fixation of the reaction vessels of different thicknesses, be slidably installed on sliding sash 501 can limit test tube level The adjustable plate 502 of position.

Preferably, the opposite face of adjustable plate 502 and side sliding sash 501 is equipped with the fastening rubber block 503 for clamping test tube.Fastening The advantage of rubber block 503 is not only there is anti-skidding effect, but also has certain debugging range.Same set of fastening rubber block 503 can With the fixation for the similar test tube of multiple bores or container.It is further preferable that fastening rubber block 503 is demountable knot Structure to replace in time in the decline of its performance, or is suitable for different reactions by replacing different fastening rubber blocks 503 Vessel.

The risk as present in experimentation, especially some violent chemical reactions are special usually with security risk Ground is mounted with the emergency set 6 of urgent danger prevention on chemistry teaching device.Emergency set 6 includes the dress for storing fire extinguishing matrix Carry case 601.Common fire extinguishing matrix is fine sand, has the function of temperature of putting out a fire and reduce.The bottom surface of loading box 601 is equipped with several Leak hole 604.The pulling plate 602 for discharging matrix of putting out a fire in loading box 601, the side peace of pulling plate 602 are provided in loading box 601 Equipped with the pull ring 603 for facilitating extraction pulling plate 602.When the process of experiment is in uncontrollable form, rate pulls open pull ring 603, The effect of allowing fire extinguishing matrix to flow out from the uniformly distributed leak hole 604 in 601 bottom of loading box, reach fire extinguishing cooling.

Solid reaction device 4 includes being slidably mounted on for loading the reaction platform 401 of reactant on experimental framework 1, instead That answers the top of platform 401 is equipped with exhaust tube 402, and aspiration pump 403, one end connection of exhaust tube 402 are equipped on exhaust tube 402 Purification collection device 3.The lower section of solid reaction device 4 and liquid reactions device 5 is equipped with limited block 8.The setting of limited block 8 It is to provide certain reaction compartment to the heat source under it.

Solid reaction is sometimes associated with the generation of gas, some gases have toxicity, and harmful to human while pollutes environment. If experimental situation will be polluted without processing arbitrarily discharge.Aspiration pump 403 passes through the gas generated in solid reaction device 4 Exhaust tube 402 is focused in purification collection device 3 and is handled, and is reduced environmental pollution.

It being explained further, purification collection device 3 includes several exhaust gas filtering flasks 301 for filtering polluted gas, All device has the chemical reagent for purifying gas with various in every kind of exhaust gas filtering flask 301, goes back in these preferred exhaust gas filtering flasks 301 Reagent comprising can be used for detection gas purge condition.Gas collection bottle can be collected into for the gas after cleaned In 302, or it is directly discharged in atmosphere using exhaust pipe 303.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of multifunctional chemical instructional device, including experimental framework (1), it is characterised in that: be arranged on the experimental framework (1) Waste gas and waste liquid is collected the net of processing after having suitable for the reaction unit (2) of a variety of different types chemical reaction and to reaction Change collection device (3), the reaction unit (2) include it is arranged side by side can be with the solid reaction device (4) of up and down adjustment position With liquid reactions device (5), it is located above and below the solid reaction device (4) and liquid reactions device (5) and sets respectively It is equipped with emergency set (6) and the pullable carrying platform (7) for adjusting heat source position；

The liquid reactions device (5) includes two and is oppositely arranged, respectively the sliding sash (501) of supporting test tube one end, two institutes Stating sliding sash (501) can move up and down on experimental framework (1), and test tube can be limited by being slidably fitted on the sliding sash (501) The opposite face of the adjustable plate (502) of horizontal position, the adjustable plate (502) and side sliding sash (501), which is equipped with, clamps the tight of test tube Gu rubber block (503).

2. a kind of multifunctional chemical instructional device according to claim 1, it is characterised in that: emergency set (6) packet The loading box (601) for storing fire extinguishing matrix is included, is provided on the loading box (601) for discharging in loading box (601) The pulling plate (602) for matrix of putting out a fire, the side of the pulling plate (602) are equipped with the pull ring (603) for facilitating extraction pulling plate (602).

3. a kind of multifunctional chemical instructional device according to claim 1, it is characterised in that: the solid reaction device It (4) include being slidably mounted on the experimental framework (1) for loading the reaction platform (401) of reactant, the reaction platform (401) top is equipped with exhaust tube (402), is equipped with aspiration pump (403), the exhaust tube on the exhaust tube (402) (402) one end is connected to purification collection device (3).

4. a kind of multifunctional chemical instructional device according to claim 1, it is characterised in that: the purification collection device (3) include several exhaust gas filtering flasks (301) for filtering polluted gas, and to the gas that filtered gas is collected Receiving flask (302) or exhaust pipe (303).

5. a kind of multifunctional chemical instructional device according to claim 1, it is characterised in that: the solid reaction device (4) and below liquid reactions device (5) it is equipped with limited block (8).

6. a kind of multifunctional chemical instructional device according to claim 2, it is characterised in that: the loading box (601) Bottom surface is equipped with several leak holes (604).