CN206003422U - A kind of experimental provision producing ammonia with ammonium chloride and calcium hydroxide reaction - Google Patents

Abstract

This utility model provides a kind of ammonium chloride and calcium hydroxide reaction to produce the experimental provision of ammonia, is primarily characterized in that：It is made up of the improvement Boiling tube of a groove, two single hole rubber closures, four airways, five latex tubings, the first drying tube equipped with soda lime, Y tube, three alligator clamps, the second drying tube equipped with Cotton Gossypii, rubber stopper with double hole, gas collecting bottle, the little funnels equipped with moistening litmus red test paper the iron stand with iron clamp, alcohol burner, the bottom equipped with ammonium chloride and calcium hydroxide hybrid solid.Do experiment existing defects with the device in teaching material：Not environmentally；Hybrid solid in Boiling tube during heating is easily moved；Textbook device is not suitable for student and does grouping experiment.The defect of textbook device can be overcome using this utility model, safe and environment-friendly, pollution-free；This utility model is applicable not only to teacher and does lecture experiment, applies also for student and does grouping experiment.

Description

A kind of experimental provision producing ammonia with ammonium chloride and calcium hydroxide reaction

First, technical field

This utility model belongs to chemical field, is related to a kind of chemical experiment device, is particularly used for demonstrating senior chemistry class The experiment of ammonia is produced using ammonium chloride and calcium hydroxide reaction under lab on basis.

2nd, background technology

The senior I chemistry 1 that Shandong science tech publishing house in July, 2014 publishes（Required）Textbook page 79 with ammonium chloride with Calcium hydroxide reaction produces the experiment of a small amount of ammonia：The mixture of appropriate ammonium chloride and calcium hydroxide is filled in a Boiling tube, Stopper Boiling tube mouth with the rubber closure with airway, Boiling tube is fixed on iron stand, iron clamp is clipped in from Boiling tube mouth about three At/mono-, test tube mouth is slightly downward-sloping.Heated to the hybrid solid in Boiling tube with the flame envelope of alcohol burner, airway is put in In another test tube and make inducing QI pipe end near test tube bottom, put a Cotton Gossypii in this test tube mouth, received with downward air-discharging method Collection ammonia, and whether collected full with moistening litmus red test paper inspection ammonia.Do experiment presence with the device in teaching material following Defect：1st, the ammonia that reaction generates easily is revealed and is polluted environment in atmosphere.Hybrid solid in Boiling tube when the 2nd, heating easily moves Dynamic, impact experiment.3rd, because there being pollution, teaching material device is not suitable for student and does grouping experiment.

3rd, utility model content

This utility model purpose is to provide a kind of ammonium chloride and calcium hydroxide reaction to produce the experimental provision of ammonia.Make Device is applicable not only to do lecture experiment on classroom, applies also for student and does grouping experiment, and can reduce environmental pollution.

The purpose of this utility model to be realized by the following method：

A kind of experimental provision producing ammonia with ammonium chloride and calcium hydroxide reaction, is primarily characterized in that：It is by carrying ferrum The iron stand of folder（1）, alcohol burner（2）, equipped with ammonium chloride and calcium hydroxide hybrid solid（4）Bottom have the improvement of a groove big Test tube（3）, the first single hole rubber closure（5）, the first airway（6）, the first latex tubing（7）, equipped with soda lime（9）First be dried Pipe（8）, the second single hole rubber closure（10）, the second airway（11）, the second latex tubing（12）, Y tube（13）, the first alligator clamp （14）, the 3rd latex tubing（15）, equipped with Cotton Gossypii（17）The second drying tube（16）, second spring folder（18）, the 4th latex tubing （19）, rubber stopper with double hole（20）, the 3rd airway（21）, gas collecting bottle（22）, the 4th airway（23）, the 3rd alligator clamp（24）、 5th latex tubing（25）, equipped with moistening litmus red test paper（27）Little funnel（26）Composition.

Equipped with ammonium chloride and calcium hydroxide hybrid solid（4）Bottom have the improvement Boiling tube of a groove（3）It is fixed on band The iron stand of iron clamp（1）On, the improvement Boiling tube of a groove is arranged at bottom（3）The mouth of pipe is slightly downward-sloping.Carry the first airway（6）'s First single hole rubber closure（5）Stoppering bottom has the improvement Boiling tube of a groove（3）The mouth of pipe.First latex tubing（7）Connect first Single hole rubber closure（5）First airway of outer end（6）With equipped with soda lime（9）The first drying tube（8）That end pipe mouth less. Carry the second airway（11）The second single hole rubber closure（10）Stopper equipped with soda lime（9）The first drying tube（8）Larger that End pipe mouth.Second latex tubing（12）Connect the second single hole rubber closure（10）Second airway of outer end（11）And Y tube（13）'s House steward.Carry the first alligator clamp（14）The 3rd latex tubing（15）Connect Y tube（13）An arm and equipped with Cotton Gossypii（17）'s Second drying tube（16）That end pipe mouth less.Carry the 3rd airway（21）With the 4th airway（23）Rubber stopper with double hole（20） Stopper gas collecting bottle（22）.Band second spring folder（18）The 4th latex tubing（19）Connect Y tube（13）Another arm and double Hole rubber closure（20）3rd airway of outer end（21）.Carry the 3rd alligator clamp（24）The 5th latex tubing（25）Connect diplopore rubber Plug（20）4th airway of outer end（23）With equipped with moistening litmus red test paper（27）Little funnel（26）The lower end mouth of pipe.Wine Smart lamp（2）It is placed on equipped with ammonium chloride and calcium hydroxide hybrid solid（4）The improvement Boiling tube of one groove is arranged at bottom（3）Lower section.

Experimentation：First connect instrument, the air-tightness of check device.Equal to appropriate chloride solid and calcium hydroxide solid Putting into bottom after even mixing has the improvement Boiling tube of a groove（3）In, make solid mixture in the grooves.Will be equipped with ammonium chloride With calcium hydroxide hybrid solid（4）Bottom have the improvement Boiling tube of a groove（3）It is fixed on the iron stand with iron clamp（1）On, The improvement Boiling tube of one groove is arranged at bottom（3）The mouth of pipe is slightly downward-sloping.By the first airway（6）It is inserted in the first single hole rubber closure （5）On, with carrying the first airway（6）The first single hole rubber closure（5）Stoppering bottom has the improvement Boiling tube of a groove（3）Pipe Mouthful.By desiccant soda lime（9）Put into the first drying tube（8）In, then use the first latex tubing（7）Connect the first single hole rubber closure （5）First airway of outer end（6）With equipped with soda lime（9）The first drying tube（8）That end pipe mouth less.By the second inducing QI Pipe（11）It is inserted in the second single hole rubber closure（10）On, with carrying the second airway（11）The second single hole rubber closure（10）Stopper equipped with Soda lime（9）The first drying tube（8）That larger end pipe mouth.Use the second latex tubing（12）Connect the second single hole rubber closure（10） Second airway of outer end（11）And Y tube（13）House steward.The Cotton Gossypii of dilute sulfuric acid will be soaked with（17）Put into the second drying tube （16）In, then with band the first alligator clamp（14）The 3rd latex tubing（15）Connect Y tube（13）An arm and equipped with cotton Flower（17）The second drying tube（16）That end pipe mouth less.By the 3rd airway（21）With the 4th airway（23）It is inserted in diplopore Rubber closure（20）On, carry the 3rd airway（21）With the 4th airway（23）Rubber stopper with double hole（20）Stopper gas collecting bottle（22）, Gas collecting bottle（22）In the 4th airway（23）End close to bottom of bottle.With band second spring folder（18）The 4th latex tubing（19） Connect Y tube（13）Another arm and rubber stopper with double hole（20）3rd airway of outer end（21）.By moistening red stone Stamen reagent paper（27）Put into little funnel（26）In, with carrying the 3rd alligator clamp（24）The 5th latex tubing（25）Connect rubber stopper with double hole （20）4th airway of outer end（23）With equipped with moistening litmus red test paper（27）Little funnel（26）The lower end mouth of pipe.Experiment When, clamp the first alligator clamp（14）, open second spring folder（18）With the 3rd alligator clamp（24）.Light alcohol burner（2）, first pre- Heat, then by alcohol burner（2）Flame envelope is directed at bottom the improvement Boiling tube of a groove（3）In ammonium chloride mix with calcium hydroxide Solid（4）Heating, due to ammonium chloride and calcium hydroxide hybrid solid（4）Place in a groove, so heating when hybrid solid not Easily it is moved.Ammonium chloride and calcium hydroxide hybrid solid（4）There occurs chemical reaction in heating, the ammonia of generation is through alkali stone Ash eliminates vapor after being dried.Little funnel can be seen after a period of time（26）In moistening litmus red test paper（27）Become Blueness, this proves gas collecting bottle（22）In collected full ammonia.At this moment, extinguish alcohol burner（2）, stop heating.Meanwhile, open One alligator clamp（14）, clamping second spring folder（18）With the 3rd alligator clamp（24）.Unnecessary ammonia is by the second drying tube（16）In It is soaked with the Cotton Gossypii of dilute sulfuric acid（17）Absorb, it is thus eliminated that environmental pollution.

The beneficial effects of the utility model are：1st, the ammonia that reaction generates is difficult to reveal in atmosphere, very environmental protection.2nd, solid Mixture is placed in the groove of improvement Boiling tube, will not be moved during heating.3rd, pass through to observe moistening red Herba Cladoniae rangiferinae examination Paper becomes blue it was demonstrated that ammonia has been collected completely.4th, this utility model is applicable not only to teacher and does lecture experiment, applies also for student and does Grouping experiment.

4th, brief description

Fig. 1 is structure chart of the present utility model.

The mark of in figure represents respectively：

（1）Iron stand with iron clamp（2）Alcohol burner（3）The improvement Boiling tube of one groove is arranged at bottom（4）Ammonium chloride and hydrogen Calcium oxide hybrid solid（5）First single hole rubber closure（6）First airway（7）First latex tubing（8）First drying tube （9）Soda lime（10）Second single hole rubber closure（11）Second airway（12）Second latex tubing（13）Y tube（14）First Alligator clamp（15）3rd latex tubing（16）Second drying tube（17）Cotton Gossypii（18）Second spring is pressed from both sides（19）4th latex tubing （20）Rubber stopper with double hole（21）3rd airway（22）Gas collecting bottle（23）4th airway（24）3rd alligator clamp（25）The Five latex tubings（26）Little funnel（27）Moistening litmus red test paper

5th, specific embodiment

With reference to specific embodiment, the utility model is described in further detail：

A kind of experimental provision producing ammonia with ammonium chloride and calcium hydroxide reaction, is primarily characterized in that：It is by carrying ferrum The iron stand of folder（1）, alcohol burner（2）, equipped with ammonium chloride and calcium hydroxide hybrid solid（4）Bottom have the improvement of a groove big Test tube（3）, the first single hole rubber closure（5）, the first airway（6）, the first latex tubing（7）, equipped with soda lime（9）First be dried Pipe（8）, the second single hole rubber closure（10）, the second airway（11）, the second latex tubing（12）, Y tube（13）, the first alligator clamp （14）, the 3rd latex tubing（15）, equipped with Cotton Gossypii（17）The second drying tube（16）, second spring folder（18）, the 4th latex tubing （19）, rubber stopper with double hole（20）, the 3rd airway（21）, gas collecting bottle（22）, the 4th airway（23）, the 3rd alligator clamp（24）、 5th latex tubing（25）, equipped with moistening litmus red test paper（27）Little funnel（26）Composition.

Equipped with ammonium chloride and calcium hydroxide hybrid solid（4）Bottom have the improvement Boiling tube of a groove（3）It is fixed on band The iron stand of iron clamp（1）On, the improvement Boiling tube of a groove is arranged at bottom（3）The mouth of pipe is slightly downward-sloping.Carry the first airway（6）'s First single hole rubber closure（5）Stoppering bottom has the improvement Boiling tube of a groove（3）The mouth of pipe.First latex tubing（7）Connect first Single hole rubber closure（5）First airway of outer end（6）With equipped with soda lime（9）The first drying tube（8）That end pipe mouth less. Carry the second airway（11）The second single hole rubber closure（10）Stopper equipped with soda lime（9）The first drying tube（8）Larger that End pipe mouth.Second latex tubing（12）Connect the second single hole rubber closure（10）Second airway of outer end（11）And Y tube（13）'s House steward.Carry the first alligator clamp（14）The 3rd latex tubing（15）Connect Y tube（13）An arm and equipped with Cotton Gossypii（17）'s Second drying tube（16）That end pipe mouth less.Carry the 3rd airway（21）With the 4th airway（23）Rubber stopper with double hole（20） Stopper gas collecting bottle（22）.Band second spring folder（18）The 4th latex tubing（19）Connect Y tube（13）Another arm and double Hole rubber closure（20）3rd airway of outer end（21）.Carry the 3rd alligator clamp（24）The 5th latex tubing（25）Connect diplopore rubber Plug（20）4th airway of outer end（23）With equipped with moistening litmus red test paper（27）Little funnel（26）The lower end mouth of pipe.Wine Smart lamp（2）It is placed on equipped with ammonium chloride and calcium hydroxide hybrid solid（4）The improvement Boiling tube of one groove is arranged at bottom（3）Lower section.

Using method of the present utility model：First connect instrument, the air-tightness of check device.Appropriate chloride solid and hydrogen Calcium oxide solid puts into bottom after uniformly mixing the improvement Boiling tube of a groove（3）In, make solid mixture in the grooves. Will be equipped with ammonium chloride and calcium hydroxide hybrid solid（4）Bottom have the improvement Boiling tube of a groove（3）It is fixed on iron clamp Iron stand（1）On, the improvement Boiling tube of a groove is arranged at bottom（3）The mouth of pipe is slightly downward-sloping.By the first airway（6）It is inserted in first Single hole rubber closure（5）On, with carrying the first airway（6）The first single hole rubber closure（5）Stoppering bottom has the improvement of a groove big Test tube（3）The mouth of pipe.By desiccant soda lime（9）Put into the first drying tube（8）In, then use the first latex tubing（7）Connect the One single hole rubber closure（5）First airway of outer end（6）With equipped with soda lime（9）The first drying tube（8）That end pipe less Mouthful.By the second airway（11）It is inserted in the second single hole rubber closure（10）On, with carrying the second airway（11）The second single hole rubber Plug（10）Stopper equipped with soda lime（9）The first drying tube（8）That larger end pipe mouth.Use the second latex tubing（12）Connect second Single hole rubber closure（10）Second airway of outer end（11）And Y tube（13）House steward.The Cotton Gossypii of dilute sulfuric acid will be soaked with（17）Dress Enter the second drying tube（16）In, then with band the first alligator clamp（14）The 3rd latex tubing（15）Connect Y tube（13）One Arm and equipped with Cotton Gossypii（17）The second drying tube（16）That end pipe mouth less.By the 3rd airway（21）With the 4th airway （23）It is inserted in rubber stopper with double hole（20）On, carry the 3rd airway（21）With the 4th airway（23）Rubber stopper with double hole（20）Stopper Gas collecting bottle（22）, gas collecting bottle（22）In the 4th airway（23）End close to bottom of bottle.With band second spring folder（18）? Four latex tubings（19）Connect Y tube（13）Another arm and rubber stopper with double hole（20）3rd airway of outer end（21）.Will Moistening litmus red test paper（27）Put into little funnel（26）In, with carrying the 3rd alligator clamp（24）The 5th latex tubing（25）Connect Rubber stopper with double hole（20）4th airway of outer end（23）With equipped with moistening litmus red test paper（27）Little funnel（26）Lower end The mouth of pipe.During experiment, clamp the first alligator clamp（14）, open second spring folder（18）With the 3rd alligator clamp（24）.Light alcohol burner （2）, first preheat, then by alcohol burner（2）Flame envelope is directed at bottom the improvement Boiling tube of a groove（3）In ammonium chloride and hydrogen-oxygen Change calcium hybrid solid（4）Heating, due to ammonium chloride and calcium hydroxide hybrid solid（4）Place in a groove, thus mixed during heating Close solid to be not susceptible to move.Ammonium chloride and calcium hydroxide hybrid solid（4）There occurs chemical reaction, the ammonia of generation in heating Gas eliminates vapor after being dried through soda lime.Little funnel can be seen after a period of time（26）In moistening litmus red test paper （27）Become blue, this proves gas collecting bottle（22）In collected full ammonia.At this moment, extinguish alcohol burner（2）, stop heating.With When, open the first alligator clamp（14）, clamping second spring folder（18）With the 3rd alligator clamp（24）.Unnecessary ammonia is dried by second Pipe（16）In be soaked with the Cotton Gossypii of dilute sulfuric acid（17）Absorb, it is thus eliminated that environmental pollution.The utility model has the advantages that：Reaction life The ammonia becoming is difficult to reveal in atmosphere, very environmental protection；Solid mixture is placed in the groove of improvement Boiling tube, will not during heating It is moved；Become blue it was demonstrated that ammonia has been collected completely by observing moistening litmus red test paper；This utility model is not only suitable for Yu teacher does lecture experiment, applies also for student and does grouping experiment.

Claims (1)

1. a kind of experimental provision producing ammonia with ammonium chloride and calcium hydroxide reaction, is primarily characterized in that：It is by carrying iron clamp Iron stand（1）, alcohol burner（2）, equipped with ammonium chloride and calcium hydroxide hybrid solid（4）The bottom improvement that has a groove try greatly Pipe（3）, the first single hole rubber closure（5）, the first airway（6）, the first latex tubing（7）, equipped with soda lime（9）The first drying tube （8）, the second single hole rubber closure（10）, the second airway（11）, the second latex tubing（12）, Y tube（13）, the first alligator clamp （14）, the 3rd latex tubing（15）, equipped with Cotton Gossypii（17）The second drying tube（16）, second spring folder（18）, the 4th latex tubing （19）, rubber stopper with double hole（20）, the 3rd airway（21）, gas collecting bottle（22）, the 4th airway（23）, the 3rd alligator clamp（24）、 5th latex tubing（25）, equipped with moistening litmus red test paper（27）Little funnel（26）Composition, equipped with ammonium chloride and calcium hydroxide Hybrid solid（4）Bottom have the improvement Boiling tube of a groove（3）It is fixed on the iron stand with iron clamp（1）On, bottom has one recessed The improvement Boiling tube of groove（3）The mouth of pipe is slightly downward-sloping, carries the first airway（6）The first single hole rubber closure（5）Stoppering bottom has The improvement Boiling tube of one groove（3）The mouth of pipe, the first latex tubing（7）Connect the first single hole rubber closure（5）First inducing QI of outer end Pipe（6）With equipped with soda lime（9）The first drying tube（8）That end pipe mouth less, carries the second airway（11）The second single hole Rubber closure（10）Stopper equipped with soda lime（9）The first drying tube（8）That larger end pipe mouth, the second latex tubing（12）Connect the Two single hole rubber closures（10）Second airway of outer end（11）And Y tube（13）House steward, carry the first alligator clamp（14）The 3rd Latex tubing（15）Connect Y tube（13）An arm and equipped with Cotton Gossypii（17）The second drying tube（16）That end pipe less Mouthful, carry the 3rd airway（21）With the 4th airway（23）Rubber stopper with double hole（20）Stopper gas collecting bottle（22）, carry second spring Folder（18）The 4th latex tubing（19）Connect Y tube（13）Another arm and rubber stopper with double hole（20）3rd inducing QI of outer end Pipe（21）, carry the 3rd alligator clamp（24）The 5th latex tubing（25）Connect rubber stopper with double hole（20）4th airway of outer end（23） With equipped with moistening litmus red test paper（27）Little funnel（26）The lower end mouth of pipe, alcohol burner（2）It is placed on equipped with ammonium chloride and hydrogen Calcium oxide hybrid solid（4）Bottom have the improvement Boiling tube of a groove（3）Lower section.