CN211294424U

CN211294424U - Simple experimental device for reaction of carbon monoxide and ferric oxide

Info

Publication number: CN211294424U
Application number: CN202020318070.2U
Authority: CN
Inventors: 林师龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-08-18
Anticipated expiration: 2030-03-16

Abstract

The utility model provides a simple and easy experimental apparatus of carbon monoxide and ferric oxide reaction, its main characterized in that: the device consists of an injector (1) filled with carbon monoxide gas, a first latex tube (2), a first spring clamp (3), a V-shaped tube (4) filled with iron oxide powder (5), an alcohol lamp (6) with a mesh cover, a second latex tube (7), a second spring clamp (8), a first air duct (9), a second air duct (10), a small balloon (11), a double-hole rubber plug (12) and a wide-mouth bottle (13) filled with clear lime water. Textbook devices have drawbacks: when heating, the iron oxide is easy to move; the dosage of the medicine is large; the device is complicated and cumbersome. The utility model has the advantages that: the device is simple and convenient to operate; the iron oxide is placed in the V-shaped pipe (4), and is not easy to move when being heated; the medicine is saved; the device is not only suitable for teachers to do demonstration experiments, but also suitable for students to do grouping experiments.

Description

Simple experimental device for reaction of carbon monoxide and ferric oxide

One, the technical field

The utility model belongs to a chemistry field relates to a chemistry experimental apparatus, and is specifically an experiment that is used for demonstrating carbon monoxide and ferric oxide reaction on junior high school chemistry textbooks.

Second, background Art

The reaction experiment of carbon monoxide and ferric oxide on page 124 of a three-year primary middle school chemistry textbook published by Shanghai education publisher 2012, 1 month is demonstrated in the textbook as follows: a small amount of reddish brown iron oxide powder is put into the hard coarse glass tube, carbon monoxide is firstly introduced, air in the device is exhausted, then an alcohol blast burner is ignited to heat the iron oxide in the glass tube, and the heating is stopped when the reddish brown iron oxide powder becomes black. After the material in the glass tube is cooled, the carbon monoxide is stopped to be introduced, and the change of the lime water is observed. The obtained black powder was poured on a white paper and observed to fail to be attracted by a magnet, and the black powder was added to dilute hydrochloric acid to observe the experimental phenomenon. The experiment in the teaching material has the following defects: during heating, iron oxide powder in the hard coarse glass tube is easy to move, so that the experiment is influenced; heating by using an alcohol blast lamp is troublesome; carbon monoxide is introduced before heating, and carbon monoxide gas is introduced continuously after the experiment is finished until the glass tube is cooled, which is tedious, and the dosage of the medicine is large, thereby causing waste.

Third, the contents of the utility model

The utility model aims to provide a simple and easy experimental apparatus of carbon monoxide and ferric oxide reaction. When the utility model is used for experiments, the ferric oxide powder is not easy to move, and the medicine is saved.

The purpose of the utility model is realized by the following method:

the utility model provides a simple and easy experimental apparatus of carbon monoxide and iron oxide reaction which main characterized in that: the device consists of an injector (1) filled with carbon monoxide gas, a first latex tube (2), a first spring clamp (3), a V-shaped tube (4) filled with iron oxide powder (5), an alcohol lamp (6) with a mesh cover, a second latex tube (7), a second spring clamp (8), a first air duct (9), a second air duct (10), a small balloon (11), a double-hole rubber plug (12) and a wide-mouth bottle (13) filled with clear lime water.

A wide-mouth bottle (13) filled with clear lime water is tightly plugged by a double-hole rubber plug (12) with a first air duct (9) and a second air duct (10), and a small balloon (11) is fixed on the second air duct (10) at the outer end of the double-hole rubber plug (12). The second latex tube (7) with the second spring clamp (8) is connected with the first air duct (9) at the outer end of the double-hole rubber plug (12) and one end of the V-shaped tube (4) filled with the ferric oxide powder (5), and the first latex tube (2) with the first spring clamp (3) is connected with the other end of the V-shaped tube (4) filled with the ferric oxide powder (5) and the injector (1) filled with carbon monoxide gas. The alcohol lamp (6) with the net cover is arranged right below the V-shaped pipe (4) filled with the ferric oxide powder (5).

The experimental process comprises the following steps: the instrument was connected and the air tightness of the device was checked. A proper amount of clear lime water is filled in the wide-mouth bottle (13), the first air duct (9) and the second air duct (10) are respectively inserted on the double-hole rubber plug (12), and the wide-mouth bottle (13) filled with the clear lime water is tightly plugged by the double-hole rubber plug (12) with the first air duct (9) and the second air duct (10). The small balloon (11) is fixed on a second air duct (10) at the outer end of the double-hole rubber plug (12). A proper amount of iron oxide powder (5) is filled into the V-shaped tube (4), and a second latex tube (7) with a second spring clamp (8) is connected with a first air duct (9) at the outer end of the double-hole rubber plug (12) and one end of the V-shaped tube (4) filled with the iron oxide powder (5). One end of a first latex tube (2) is connected to an injector (1), carbon monoxide gas is absorbed by the injector (1) with the first latex tube (2), then the first latex tube (2) is clamped by a first spring clamp (3) immediately, and the other end of the first latex tube (2) is connected to the other end of a V-shaped tube (4) filled with ferric oxide powder (5). An alcohol lamp (6) with a net cover is placed right below the V-shaped pipe (4) filled with iron oxide powder (5). During the experiment, open first spring clamp (3) and second spring clamp (8), nudge syringe (1), let appropriate amount carbon monoxide gas get into in V-arrangement pipe (4), ignite alcohol burner (6) with the screen panel and heat iron oxide (5) in V-arrangement pipe (4), can see soon: the reddish brown powder in the V-shaped tube (4) turns black, the clear lime water in the wide-mouth bottle (13) turns turbid, and the small balloon (11) slightly bulges. After the experiment is finished, the first spring clamp (3) and the second spring clamp (8) are clamped, the alcohol lamp (6) with the net cover is extinguished, and heating is stopped. After cooling to room temperature, the black powder in the V-shaped tube (4) was taken out, and whether the black powder was attracted was confirmed with a magnet, and then diluted hydrochloric acid was added to see whether bubbles were generated.

The utility model has the advantages that: the device is simple, the operation is simple and convenient, and the environment is protected; replacing an alcohol blast burner with an alcohol burner with a screen cover; the medicine is placed in the V-shaped pipe and cannot move when being heated; a carbon monoxide generating device is omitted, and the outflow and flow rate of carbon monoxide can be conveniently controlled by an injector; the V-shaped pipe is small in volume, a lot of carbon monoxide does not need to be introduced, after the experiment is finished, the spring clamps on the two sides are clamped, the carbon monoxide does not need to be stopped to be introduced after the temperature is cooled to the room temperature, and the medicine is saved.

Description of the drawings

Fig. 1 is a structural view of the present invention.

The symbols in the figures represent:

(1) an injector (2) with carbon monoxide, a first latex tube (3), a first spring clamp (4), a V-shaped tube (5), iron oxide powder (6), an alcohol lamp (7) with a mesh enclosure, a second latex tube (8), a second spring clamp (9), a first air duct (10), a second air duct (11), a small balloon (12), a double-hole rubber plug (13) and a wide-mouth bottle with clarified lime water

Fifth, detailed description of the invention

The present invention will be further described with reference to the following detailed description:

The utility model discloses a use method: the instrument was connected and the air tightness of the device was checked. A proper amount of clear lime water is filled in the wide-mouth bottle (13), the first air duct (9) and the second air duct (10) are respectively inserted on the double-hole rubber plug (12), and the wide-mouth bottle (13) filled with the clear lime water is tightly plugged by the double-hole rubber plug (12) with the first air duct (9) and the second air duct (10). The small balloon (11) is fixed on a second air duct (10) at the outer end of the double-hole rubber plug (12). A proper amount of iron oxide powder (5) is filled into the V-shaped tube (4), and a second latex tube (7) with a second spring clamp (8) is connected with a first air duct (9) at the outer end of the double-hole rubber plug (12) and one end of the V-shaped tube (4) filled with the iron oxide powder (5). One end of a first latex tube (2) is connected to an injector (1), carbon monoxide gas is absorbed by the injector (1) with the first latex tube (2), then the first latex tube (2) is clamped by a first spring clamp (3) immediately, and the other end of the first latex tube (2) is connected to the other end of a V-shaped tube (4) filled with ferric oxide powder (5). An alcohol lamp (6) with a net cover is placed right below the V-shaped pipe (4) filled with iron oxide powder (5). During the experiment, open first spring clamp (3) and second spring clamp (8), nudge syringe (1), let appropriate amount carbon monoxide gas get into in V-arrangement pipe (4), ignite alcohol burner (6) with the screen panel and heat iron oxide (5) in V-arrangement pipe (4), can see soon: the reddish brown powder in the V-shaped tube (4) turns black, the clear lime water in the wide-mouth bottle (13) turns turbid, and the small balloon (11) slightly bulges. After the experiment is finished, the first spring clamp (3) and the second spring clamp (8) are clamped, the alcohol lamp (6) with the net cover is extinguished, and heating is stopped. After cooling to room temperature, the black powder in the V-shaped tube (4) was taken out, and whether the black powder was attracted was confirmed with a magnet, and then diluted hydrochloric acid was added to see whether bubbles were generated. The utility model has the advantages that: the device is simple, the operation is simple and convenient, and the environment is protected; replacing an alcohol blast burner with an alcohol burner with a screen cover; the medicine is placed in the V-shaped pipe and cannot move when being heated; a carbon monoxide generating device is omitted, and the outflow and flow rate of carbon monoxide can be conveniently controlled by an injector; the V-shaped pipe is small in volume, a lot of carbon monoxide does not need to be introduced, after the experiment is finished, the spring clamps on the two sides are clamped, the carbon monoxide does not need to be stopped to be introduced after the temperature is cooled to the room temperature, and the medicine is saved.

Claims

1. The utility model provides a simple and easy experimental apparatus of carbon monoxide and iron oxide reaction which main characterized in that: the device consists of an injector (1) filled with carbon monoxide gas, a first latex tube (2), a first spring clamp (3), a V-shaped tube (4) filled with iron oxide powder (5), an alcohol lamp (6) with a mesh cover, a second latex tube (7), a second spring clamp (8), a first air duct (9), a second air duct (10), a small balloon (11), a double-hole rubber plug (12) and a wide-mouthed bottle (13) filled with clarified lime water, wherein the double-hole rubber plug (12) with the first air duct (9) and the second air duct (10) tightly plugs the wide-mouthed bottle (13) filled with the clarified lime water, the small balloon (11) is fixed on the second air duct (10) at the outer end of the double-hole rubber plug (12), the second latex tube (7) with the second spring clamp (8) is connected with the first air duct (9) at the outer end of the double-hole rubber plug (12) and one end of the V-shaped tube (4) filled with the iron oxide powder (5), the first latex tube (2) with the first spring clamp (3) is connected with the other end of the V-shaped tube (4) filled with iron oxide powder (5) and the injector (1) filled with carbon monoxide gas, and the alcohol lamp (6) with the mesh cover is placed under the V-shaped tube (4) filled with iron oxide powder (5).