CN201117157Y

CN201117157Y - Box type combustion gas reactor

Info

Publication number: CN201117157Y
Application number: CNU2007200911166U
Authority: CN
Inventors: 贺荣芬; 聂玉功
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-23
Filing date: 2007-07-23
Publication date: 2008-09-17
Anticipated expiration: 2017-07-23

Abstract

The utility model relates to a box type gas reactor, which comprises a box boy, a gas carrier pipe which is arranged in the box body and an air pump whose tail end is communicated with the carrier pipe, wherein a gas escape pipe nozzle is arranged on a table of the box body, an exploder whose top end is provided with a burning core or a fulmination device are directly landed on the table of the nozzle, and an inner cavity of the exploder or the fulmination device is communicated with a gas escape pipe through the nozzle. The box type gas reactor is characterized in that the box is separated into a gas pipeline box which is located on an upper layer and a teaching appliance arranging box which is located on a lower layer through a baffle plate, a port of a gas inlet pipe and the front end of the air pump are arranged on a front vertical plate of a gas pipeline box, and the gas inlet pipe and the gas escape pipe are vertical and are mutually communicated with a gas outlet on the tail portion of the air pump through a tee component. The box type gas reactor has compact and rational structure, the cost is low, the use is convenient, the box type gas reactor not only can be used in burning experiments, but also can safely and conveniently carry out exploring and fulmination experiments, thereby the purpose for exciting the learning interest of students and increasing the ability of observing, operating and thinking is achieved, all experimental appliances can be installed in the box body when the appliances are not used, and the gas reactor is tidy and clean.

Description

Box combustion gas reactor

Technical field

The utility model relates to a kind of teaching aid, relates to the box combustion gas reactor that a kind of chemical experiment teaching is used specifically.

Background technology

The high school chemistry teaching outline requires to cultivate student ability and initiative spirit, junior school teaching material requires to cultivate student's learning chemistry interest, and observe memory, thinking, experiment, self-learning ability and the combustibility experiment of inflammable gas is one of emphasis experiment content of junior school teaching material.At present, the unique method for the combustion experiment of inflammable gas is to utilize kipp gas generator to carry out operation experiments in the chemical teaching material.Because kipp gas generator is a kind of instruments used for education that adopt glass material to make, the method of utilizing kipp gas generator to carry out combustion experiment is to light purified hydrogen at the Jian Zuichu of grass tube, therefore, must check the purity of hydrogen before lighting, and the purity of check inflammable gas is very loaded down with trivial details thing, danger is bigger, do not note slightly, entrained air promptly may set off an explosion, and causes kipp gas generator to destroy.That is to say be not easy to do the originally combustion experiment of inflammable gas of kipp gas generator, but, not having other experimental provision at present again replaces kipp gas generator to test, for these reasons, many teachers are clear-cut just not to do this experiment, replace experiment in the mode of telling about text often, and the student also can only replace testing the character that is drawn with the method for memorize mechanicalling.Often this has not only increased the difficulty of teaching and student's learning burden in the past, and the observation of also having controlled the student is started, and the ability that beats one's brains also directly has influence on the raising of innovation ability of students.

At the problems referred to above, the inventor is a kind of inflammable gas generator of specialized designs once, and applied for and obtained Chinese patent, its patent No. is 00229714.0, its contour structures comprises the detonator and the blast device that are arranged side by side on casing as Figure 1-1, and is respectively arranged with two cover vent lines, be communicated with detonator and blast device respectively, and by being arranged on two retaining valve control air inlets in the pipeline.Though this inflammable gas generator can satisfy student's testing requirements, but have following defective: two cover air inlets, outlet pipe, detonator and blast device split and cause the casing volume bigger, there is no need to establish two circuits, cabinets cavity also fails to make full use of, whole apparatus cost is higher, should not promote the use of.

Summary of the invention

The weak point that the purpose of this utility model exists at above-mentioned prior art just and improve a kind of new box combustion gas reactor of design, this apparatus structure compact and reasonable, cheap, easy to use, not only can do combustion experiment, also can be safely, explode easily, detonating experiment excites student's learning interest thereby reach, strengthen the ability that it is observed, starts, beats one's brains, satisfy its strong desire for knowledge, and all experiments are neatly agile with the utensil time spent casing of can packing into not.

The purpose of this utility model is achieved through the following technical solutions: this box combustion gas reactor comprises casing, be arranged in the casing gas supply pipe with and the air pump that is communicated with delivery pipe of tail end gas outlet, combustion gas escape pipe nozzle is arranged on the casing table top, its top has the blast device or direct seat of detonator of firing core and is placed on the table top at nozzle place, blast device or detonator inner chamber are communicated with by nozzle with the combustion gas escape pipe, wherein: casing is separated into the fuel gas pipeline case that is positioned at the upper strata by dividing plate and is positioned at the teaching aid placing box of lower floor, gas inlet pipe mouth and air pump front end are arranged on the preceding cant board of fuel gas pipeline case, and gas inlet pipe is vertical with the combustion gas escape pipe and is interconnected by three-way piece and air pump tail end gas outlet.

In the utility model, gas inlet pipe and air pump are the horizontal Tile setting; Described air pump is the piston type manual pump, and air pump piston porch front end end cover is provided with the pump wing of rotatable sealing gas inlet pipe mouth; Be provided with two connecting rods that can cooperate with pump housing convex-concave in piston handle inboard, when piston is pushed into the end, connecting rod cooperates with the pump housing is concavo-convex, and this moment, the rotating piston handle can drive pump housing rotation, and the pump wing just can seal the gas inlet pipe mouth.

One side box plate of described fuel gas pipeline case and teaching aid placing box is sliding push-pull formula boxboard (also can be designed to the structure of other known technology), can draw back at any time, make the observation of students vent line or be used for pipeline and safeguard, or cognition is placed on the various equipment of lower floor's teaching aid placing box.

Described detonator can be spherical cavity; Also can be circular cylindrical cavity, described blast device can be square cavity, also can be the cylindricality cavity that has block.

Description of drawings

Fig. 1-1 is the inflammable gas generator construction profile figure of prior art.

Fig. 1 is a front view of the present utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is Fig. 2 escape pipe position cut-open view.

Fig. 4 is Fig. 1 air pump position cut-open view.

Fig. 5 is the blast device cut-open view that has block.

Fig. 6 is the cut-open view of square blast device.

Fig. 7 is the cut-open view of spherical detonator.

Fig. 8 is the cut-open view of right cylinder detonator.

Among the figure: 1 is gas inlet pipe, and 2 are the combustion gas escape pipe, and 3 is nozzle, 4 is the gas inlet pipe mouth, and 5 is air pump, and 6 is the pump wing, 7 is connecting rod, and 8 is three-way piece, and 9 is the fuel gas pipeline case, 10 is the teaching aid placing box, and 11 is dividing plate, and 12 is detonator, 13 are the blast device, and 14 are block, and 15 are the combustion core, 16 is air pump tail end gas outlet, and 17 is table top, and 18 is the piston handle.

Embodiment

The utility model is described further below in conjunction with accompanying drawing:

Shown in Fig. 1-4: this box combustion gas reactor comprises casing, be arranged in the casing gas supply pipe with and the air pump 5 that is communicated with delivery pipe of tail end gas outlet 16, gas inlet pipe 1 is the horizontal Tile setting with air pump 5, combustion gas escape pipe nozzle 3 is arranged on the casing table top, its top has the blast device 13 or detonator 12 direct seats of firing core 15 and is placed on the table top 17 at nozzle 3 places, blast device or detonator inner chamber are communicated with by nozzle 3 with combustion gas escape pipe 2, wherein: casing is separated into fuel gas pipeline case 9 that is positioned at the upper strata and the teaching aid placing box 10 that is positioned at lower floor by dividing plate 11, gas inlet pipe mouth 4 and air pump 5 front ends are arranged on the preceding cant board of fuel gas pipeline case 9, and gas inlet pipe 1 is vertical with combustion gas escape pipe 2 and is interconnected by three-way piece 8 and air pump 5 tail end gas outlets 16; Described air pump 5 is the piston type manual pump, and air pump piston porch front end end cover is provided with the pump wing 6 of rotatable sealing gas inlet pipe mouth 4; Be provided with two connecting rods 7 that can cooperate with pump housing convex-concave in piston handle inboard, when piston is pushed into the end, connecting rod 7 cooperates with the pump housing is concavo-convex, and rotating piston handle 18 can drive pump housing rotation at this moment, and the pump wing 6 just can be with 4 sealings of gas inlet pipe mouth.

One side box plate of described fuel gas pipeline case and teaching aid placing box is a sliding push-pull formula boxboard, can draw back at any time, make the observation of students vent line or be used for pipeline to safeguard, or cognition is placed on the various equipment of lower floor's teaching aid placing box.

Principle of the present utility model and experimentation are as follows:

1, combustion experiment

The device (structure as shown in Figure 6) that will explode is placed on nozzle 3 tops of gas supply pipe, pure hydrogen by in gas inlet pipe mouth 4 input reactors, rotate the pump housing, the pump wing 6 covers gas inlet pipe mouth 4, at this moment light the combustion core 15 that is positioned on the blast device 13, hydrogen just can burn imperturbably, until from horizontal blanking.

2, detonating experiment

Detonator (structure as shown in Figure 7) is placed on nozzle 3 tops of gas inlet pipe mouth 4, with hydrogen by in gas inlet pipe mouth 4 input reactors, rotate the pump housing, the pump wing 6 covers gas inlet pipe mouth 4, light the combustion core 15 that is positioned on the detonator 12, when the combustion core fires to the 2-3 millimeter, rotate the pump housing again, open gas inlet pipe mouth 4, when the hydrogen in detonator had just reduced, air entered gas inlet pipe mouth 4, after enter in the detonator 12 and form mixed gas, when the moment that the sound of puff puff finishes, just can hear loud explosion.

If also want to do detonating experiment with this detonator this moment, this detonator (just having lighted the detonator of detonation) can be placed on gas nozzle 3 tops, rotate the pump housing, make the pump wing 6 cover gas inlet pipe mouth 4, draw and push away air pump piston, remove after the gas residual in the detonator 12, block sealing above the detonator (not having combustion core 15 this moment) with finger, at gas inlet pipe mouth 4 places input hydrogen, the match of lighting is shifted near sealing above the detonator, remove finger, light, just can hear explosion after a little while.

If carry out detonating experiment with structure as shown in Figure 8, its method of operating is the same.

3, explosion test

The device (structure as shown in Figure 6) that will explode is placed on the top of the nozzle 3 of gas inlet pipe mouth 4, rotate the pump housing this moment, make the pump wing 6 cover gas inlet pipe mouth 4, draw to push away air pump piston, change the gas in the blast device 13, rotate the pump housing again, open gas inlet pipe mouth 4, input hydrogen rotates the pump housing, and the pump wing 6 covers gas inlet pipe mouth 4.Light combustion core 15, when the combustion core burns to the 2-3 millimeter, rotate the pump housing, the pump wing changes 90 ° approximately, can open gas inlet pipe mouth 4, when the hydrogen in the blast device has just reduced, air enters in the blast device 13 by gas supply pipe and forms mixed gas, when the moment that Pop finishes, just can hear loud explosive sound, see the phenomenon of blast device fragmentation.

4, carry out explosion test with structure as shown in Figure 5

The device (structure as shown in Figure 5) that will explode is placed on nozzle 3 tops of gas inlet pipe mouth 4, after hydrogen input blast device, rotate the pump housing, make the pump wing close gas inlet pipe mouth 4, light the combustion core 15 that is positioned on the block 14, when the combustion core fires to the 2-3 millimeter, rotate the pump housing again, open gas inlet pipe mouth 4, when hydrogen reduced in the blast device, air entered the blast device from gas inlet pipe mouth 4, form mixed gas, just hear loud explosive sound a moment, observes blast simultaneously and will explode that device is high to be started and phenomenon that the device that explodes is divided into two, 14 phenomenons of separating with the cylinder of the device that explodes of promptly blocking a shot.

Claims

1. box combustion gas reactor, it comprises casing, be arranged in the casing gas supply pipe with and the air pump (5) that is communicated with delivery pipe of tail end gas outlet, combustion gas escape pipe nozzle (3) is arranged on the casing table top (17), blast device (13) or direct seat of detonator (12) that its top has combustion core (15) are placed on the table top at nozzle place, blast device or detonator inner chamber are communicated with by nozzle (3) with combustion gas escape pipe (2), it is characterized in that: casing is separated into fuel gas pipeline case (9) that is positioned at the upper strata and the teaching aid placing box (10) that is positioned at lower floor by dividing plate (11), gas inlet pipe mouth (4) and air pump front end are arranged on the preceding cant board of fuel gas pipeline case (9), and gas inlet pipe (1) is vertical with combustion gas escape pipe (2) and is interconnected by three-way piece (8) and air pump tail end gas outlet (16).

2. box combustion gas reactor according to claim 1 is characterized in that: gas inlet pipe (1) is the horizontal Tile setting with air pump (5).

3. box combustion gas reactor according to claim 1 and 2 is characterized in that: air pump (5) is the piston type manual pump, and air pump piston porch front end end cover is provided with the pump wing (6) of rotatable sealing gas inlet pipe mouth (4).

4. box combustion gas reactor according to claim 3 is characterized in that: the piston handle inboard of piston type manual pump is provided with two connecting rods (7) that can cooperate with pump housing convex-concave.

5. box combustion gas reactor according to claim 1 and 2 is characterized in that: a side box plate of fuel gas pipeline case (9) and teaching aid placing box (10) is a sliding push-pull formula structure.

6. box combustion gas reactor according to claim 1 is characterized in that: described detonator (12) is a spherical cavity.

7. box combustion gas reactor according to claim 1 is characterized in that: described detonator (12) is the cylindricality cavity.

8. box combustion gas reactor according to claim 1 is characterized in that: described blast device (13) is square cavity.

9. box combustion gas reactor according to claim 1 is characterized in that: described blast device is the cylindricality cavity, and button is put a block (14) above the cylindricality cavity.