CN211487652U

CN211487652U - High school chemistry solid-liquid reaction unit

Info

Publication number: CN211487652U
Application number: CN201922068465.1U
Authority: CN
Inventors: 彭子墨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-15
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a reaction unit, specifically speaking relates to a chemistry solid-liquid reaction unit of high school. The high school chemistry solid-liquid reaction unit comprises a shell and a reaction cavity, wherein a feeding hopper is installed on one side of the upper surface of the shell, a liquid guide pipe is installed on the other side of the upper surface of the shell, the feeding hopper is provided with a cone hopper section, a transition section and a cylindrical section, and an included angle between the cylinder wall of the transition section and the horizontal direction is larger than or equal to 65 degrees and smaller than 90 degrees. The utility model provides a chemistry solid-liquid reaction unit in high school has solved in original reaction unit with the hopper unloading inhomogeneous, block up the problem that the hopper bottom leads to reinforced difficulty easily, can guarantee the natural unloading of solid powder nature material, fundamentally has solved the easy problem that blocks up and arouse reinforced difficulty of solid powder nature material unloading.

Description

High school chemistry solid-liquid reaction unit

Technical Field

The utility model relates to a reaction unit, specifically speaking relates to a chemistry solid-liquid reaction unit of high school.

Background

Chemistry is a natural science, and the composition, properties, structure and change rules of substances are researched on the molecular and atomic level; creating the science of new substances. The world is composed of substances, and chemistry is one of the main methods and means used by humans to recognize and reform the substance world. It is a long-standing and energetic subject, and its achievement is an important sign of social civilization, and there are two kinds of change forms of chemical change and physical change in chemistry.

At present, chemistry is a subject based on experiments, and the course and development of chemistry can not be separated from the experiments. Through the study of junior middle school, students have basic understanding of the subject of chemistry. But some students are at a loss for high school chemical learning.

The existing chemical experiment teaching device has the defects of difficulty in controlling the amount of chemical reactants, non-visual teaching process and low teaching efficiency, so that a high school chemical teaching device for students, which can well control the amount of the chemical reactants, visual teaching process and high teaching efficiency, is urgently needed to be researched and developed.

ZL201620417468.5 discloses a student is with high school chemistry teaching device, including glass case, the reaction box, rotating electrical machines I, the blade, the outlet duct, the feeder hopper, rotating electrical machines II, baffle I, rotating electrical machines III, the collecting vat, the deflector, the scale, the guide bar, the floater, the manganese dioxide case, electronic round, the connecting rod, baffle II, the hydrogen peroxide case, the drain pipe, automatically controlled valve I and automatically controlled valve II, be provided with the reaction box on the bottom of glass incasement, the bottom of reaction box is provided with rotating electrical machines I. The device has reached the volume of control chemical reactant that can be fine, the teaching process is directly perceived, the efficient effect of teaching.

ZL201520312291.8 discloses a novel chemical reaction device, which comprises a solid-liquid mixing tank, a reaction device, a controller and a base, wherein a reaction device placing tank is arranged above the base, a heat conducting tank is sleeved on the inner side of the reaction device placing tank, the reaction device is sleeved on the inner side of the heat conducting tank, a cylinder is vertically arranged on the left side of the reaction device placing tank above the base, a horizontal support is horizontally fixed at the top end of the cylinder, a horizontal support is fixed at the right end of the horizontal support through a bearing, the right end of the horizontal support is vertically and rotatably connected with an upright post through a bearing, a belt wheel at the upper part of the upright post is connected with a motor through a belt, the solid-liquid mixing tank is communicated with the bottom end of the upright post, a degassing cover is rotatably sleeved on the outer side of the upright post below the horizontal support, and a chemical liquid leading-in pipe is communicated with, and a controller is arranged on the left side of the air cylinder. The utility model discloses factor of safety is high, and degree of automation is high, can the reasonable control reaction rate.

In the chemical reaction device, the solid powder material is added into the reaction tank from the hopper to carry out chemical reaction with the liquid in the reaction tank. In actual operation, solid powder materials are not evenly discharged, are small and large in size and are always easy to block the bottom of the hopper, so that the feeding process is difficult. Although the device can well control the amount of chemical reactants to a certain extent, has the advantages of visual teaching quality and high teaching efficiency, but cannot solve the problem of difficult feeding.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a high school chemistry solid-liquid reaction unit, fundamentally has solved easy jam, the unloading is inhomogeneous, the time and time is little, the problem of reinforced difficulty among the reinforced process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high school chemical solid-liquid reaction device comprises a shell and a reaction cavity, wherein one side of the upper surface of the shell is provided with a feeding hopper, and the other side of the upper surface of the shell is provided with a liquid guide pipe; the loading hopper is provided with a cone hopper section, a transition section and a cylindrical section, and the included angle between the cylinder wall of the transition section and the horizontal direction is more than or equal to 65 degrees and less than 90 degrees.

In the chemical reaction device, solid powder materials are added into a reaction tank from a hopper to react with liquid in the reaction tank. In actual operation, solid powder materials are not evenly discharged, are small and large in size, and are always easy to block the bottom of a hopper or a feeding port, so that the feeding process is difficult. The inventor finds that the loading hopper generally consists of two parts, namely a cone hopper section and a cylindrical section, and the key part of the loading hopper is the cone hopper section. The cone of present loading hopper section generally adopts hopper section of thick bamboo wall and horizontal direction's angle to be not more than 45 feed bins, and the loading hopper of design like this provides great stock volume, but do not consider because the powder that has stored not flowing, the actual ability of unloading is little, can not accomplish in succession reinforced, the unloading is also uneven, time spent is little, often can arouse the jam, always block up the loading hopper bottom easily, the aggravation material flows inhomogeneously, the phenomenon of cutting off even takes place, make whole feeding process seem more difficult, thereby influence the reaction effect.

The utility model discloses in, add one section changeover portion again between the awl fill section of conventional loading hopper and the cylinder section, specifically speaking, the utility model discloses in, the loading hopper be equipped with awl fill section, changeover portion and cylinder section, the section of thick bamboo wall of awl fill section is conventional design with the contained angle of horizontal direction, is promptly not more than 45 angle promptly, and the section of thick bamboo wall of changeover portion and the contained angle more than or equal to 65 of horizontal direction be less than 90. The utility model discloses through the loading hopper after the improvement, according to the nature such as the angle of piling up of solid powder nature material, add one section changeover portion again between the awl fill section of loading hopper and cylinder section, like this when solid powder nature material from the loading hopper add the back, earlier through one section of section of thick bamboo wall be 45 feed bin with the contained angle of horizontal direction, be not less than 65 feed bin through the contained angle of one section of thick bamboo wall and horizontal direction again, then rethread cylinder section unloading to the reaction chamber, the nature unloading of solid powder nature material has been guaranteed like this, fundamentally has solved solid powder nature material unloading inhomogeneous, easy jam and the difficult problem of unloading that causes.

Preferably, the included angle between the cylinder wall of the transition section and the horizontal direction is greater than or equal to 67 degrees.

Furthermore, the included angle between the connecting line of the circle center of the upper opening and the circle center of the lower opening of the transition section and the vertical direction is 0-10 degrees.

Preferably, the included angle between the connecting line of the circle center of the upper opening and the circle center of the lower opening of the transition section and the vertical direction is 5-10 degrees.

Adopt the above-mentioned technical scheme of the utility model afterwards, the changeover portion of loading hopper then forms the eccentric oblique hopper shape of an upper shed centre of a circle and under shed centre of a circle disalignment, adopts the eccentric oblique hopper can improve the geometric shape of hopper, and the unbalanced transverse force of balanced hopper on horizontal cross section makes the whole of hopper unload and flow mutually harmoniously to solve the problem of the unloading difficulty that solid powder nature material unloading in-process caused because of blockking up.

Furthermore, a liquid adding pipe is arranged on the liquid guide pipe, and one end of the liquid adding pipe extends into the liquid guide pipe.

Adopt the above-mentioned technical scheme of the utility model afterwards, when the liquid that carries out chemical reaction still contained another kind of liquid, then can add to the reaction intracavity through the liquid feeding pipe of installation on the catheter, react with the material in the reaction intracavity.

Furthermore, the outer diameter of the liquid adding pipe is smaller than the inner diameter of the liquid guide pipe.

Furthermore, the end of the liquid adding pipe extending into one end of the liquid guide pipe is arranged at the axis position of the liquid guide pipe.

Adopt the technical scheme of the utility model afterwards, the position that liquid in the liquid feeding pipe flowed out from the liquid feeding pipe is in the axle center position of catheter to the ejection of compact direction after liquid in the liquid feeding pipe flowed out from the liquid feeding pipe is parallel with the ejection of compact direction after liquid flowed out from the catheter in the catheter, is favorable to the mixture of two kinds of reaction liquids.

Furthermore, one end of the liquid adding pipe extending into the liquid guide pipe is bent at the axis position of the liquid guide pipe, and the bent part extends along the axis of the liquid guide pipe.

Because the liquid adding pipe is arranged on the liquid guide pipe according to a certain inclination angle and a certain included angle is formed between the liquid adding pipe and the liquid guide pipe, the flow directions of the first reaction liquid flowing out of the liquid guide pipe and the second reaction liquid flowing out of the liquid adding pipe are not parallel when the first reaction liquid and the second reaction liquid are mixed, and the mixing effect of the first reaction liquid and the second reaction liquid is influenced. Through adopting the above technical scheme of the utility model, make the second reaction liquid follow the liquid feeding pipe and flow the back, not only be located the axle center position of catheter, still parallel with the ejection of compact direction of the first reaction liquid that flows from the catheter, be favorable to the mixing of first reaction liquid and second reaction liquid.

In the utility model, the axis of the part of the liquid feeding pipe extending along the axis of the liquid guide pipe and the axis of the liquid guide pipe are on the same straight line.

Furthermore, a supporting device is fixed at the bent part and is lapped with the inner wall of the catheter.

The utility model discloses in, guaranteed through strutting arrangement that the filling tube does not rock, make the end of filling tube can keep at the axis position of catheter.

Furthermore, the end of the bent part of the liquid feeding pipe is provided with a spray head.

Furthermore, the lower part of the liquid guide pipe is inclined rightwards, and the included angle between the lower part of the liquid guide pipe and the vertical direction is 35-45 degrees.

Adopt the above-mentioned technical scheme of the utility model afterwards, help reaction liquid to fall to the bottom of reaction chamber along the lateral wall of reaction chamber, avoid liquid to splash, and can promote chemical reaction's factor of safety to some more violent materials of solid-liquid reaction.

Furthermore, the distance H1 between the end of the part of the liquid adding pipe extending along the axis of the liquid guide pipe and the lower surface of the shell is smaller than the distance H3 between the right inclined part of the liquid guide pipe and the lower surface of the shell.

Further, the distance H2 between the lower end surface of the spray head and the lower surface of the shell is smaller than the distance H3 between the right inclined part of the liquid guide pipe and the lower surface of the shell.

Furthermore, a heat-conducting plate is fixed in the shell, a plurality of heating resistance wires are arranged on the lower surface of the heat-conducting plate, a cooling coil is installed at the edge of the upper surface of the heat-conducting plate, and the cooling coil is arranged between the shell and the reaction cavity.

Furthermore, a control switch is installed on the front face of the shell, a motor is fixed in the middle of the upper surface of the shell, a stirring shaft is fixed at the output end of the motor and located in the reaction cavity, a stirring blade is fixed at the bottom end of the stirring shaft, and the control switch is electrically connected with the heating resistance wire and the motor respectively.

Compared with the prior art, the utility model has the advantages of as follows:

(1) the high school chemical solid-liquid reaction device provided by the utility model solves the problem of difficult feeding of the feeding hopper in the original reaction device, can ensure the natural feeding of solid powder materials, and fundamentally solves the problem of difficult feeding caused by the fact that the solid powder materials are easy to block the bottom of the feeding hopper in the feeding process;

(2) the utility model discloses further through slope installation liquid feeding pipe on the catheter, the liquid feeding when being two kinds is provided convenience for reaction liquid, the design of the end position of liquid feeding pipe simultaneously and buckle and extend along the axis at the axis of catheter, make the second reaction liquid follow the liquid feeding pipe and flow the back, not only be located the axle center position of catheter, still parallel with the ejection of compact direction of the first reaction liquid that flows from the catheter, be favorable to the mixture of first reaction liquid and second reaction liquid.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a high school chemical solid-liquid reaction device according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a charging hopper of a high school chemical solid-liquid reaction device according to a first embodiment of the present invention;

fig. 3 is a schematic view of an external structure of a high school chemical solid-liquid reaction device according to a first embodiment of the present invention;

FIG. 4 is a schematic structural view of a hopper of a high school chemical solid-liquid reaction device according to an embodiment of the present invention;

fig. 5 is a schematic view of the overall structure of a high school chemical solid-liquid reaction device according to the third embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

wherein:

1-shell, 2-reaction chamber, 3-loading hopper, 31-cone hopper section, 32-transition section, 33-cylinder section, 4-liquid guide tube, 5-liquid feeding tube, 6-spray head, 7-heat conducting plate, 8-heating resistance wire, 9-cooling coil, 10-control switch, 11-motor, 12-stirring shaft, 13-stirring blade, 14-support.

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.

Example one

As shown in fig. 1, the present embodiment provides a high school chemistry test apparatus, including a housing 1 and a reaction chamber 2, a hopper 3 is installed on one side of the upper surface of the housing 1, a liquid guide tube 4 is installed on the other side of the upper surface of the housing 1, the hopper 3 is provided with a cone hopper section 31, a transition section 32 and a cylindrical section 33, and an included angle β between the cylinder wall of the transition section 32 and the horizontal direction is greater than or equal to 65 ° and smaller than 90 °.

The charging hopper is generally composed of a conical hopper section and a cylindrical section, and the key part of the charging hopper is the conical hopper section. At present, the cone hopper section of general loading hopper adopts hopper section of thick bamboo wall and the feed bin that the angle alpha of horizontal direction is not more than 45, the loading hopper of design like this provides great storage capacity, but does not consider because the powder that has stored not flowed, the actual ability of unloading is little, can not accomplish continuous feeding, the unloading is also inhomogeneous, time and time is little, often can arouse the jam, always block up the loading hopper bottom easily, lead to the material to flow inhomogeneous, the phenomenon of cutting off even takes place, make whole feeding process seem more difficult, thereby influence the reaction effect.

The utility model discloses in, add a section changeover portion again between the awl fill section of conventional loading hopper and cylinder section, specifically speaking, the utility model discloses in, loading hopper 3 be equipped with awl fill section 31, changeover portion 32 and cylinder section 33, the section of thick bamboo wall of awl fill section 31 and the contained angle alpha of horizontal direction are conventional design, be no more than 45 the angle promptly, design is 45 in this embodiment; the included angle beta between the cylinder wall of the transition section 32 and the horizontal direction is more than or equal to 65 degrees and less than 90 degrees. The utility model discloses loading hopper 3 after the improvement, according to the nature such as the angle of piling up of solid powder nature material, add one section changeover portion 32 again between the awl fill section 31 of loading hopper and cylinder section 33, like this when solid powder nature material from loading hopper 3 add the back, earlier through one section of thick bamboo wall and horizontal direction's contained angle be 45's feed bin, the contained angle of passing through one section of thick bamboo wall and horizontal direction is not less than 65's feed bin, then rethread cylinder section 33 unloading is to reaction chamber 2, the nature unloading of solid powder nature material has been guaranteed like this, fundamentally has solved solid powder nature material unloading inhomogeneous, easy jam and the difficult problem of unloading that causes.

In this embodiment, an included angle β between the cylinder wall of the transition section 32 and the horizontal direction is 67 °, as shown in fig. 2.

The lower part of liquid guide pipe 4 slope right, and be 35-45 with the contained angle of vertical direction, help reaction liquid to fall to the bottom of reaction chamber 2 along the lateral wall of reaction chamber 2 like this, avoid liquid to splash, and can promote chemical reaction's factor of safety to some more violent materials of solid-liquid reaction.

As shown in fig. 1, in this embodiment, a heat conducting plate 7 is further fixed inside the shell 1, a plurality of heating resistance wires 8 are arranged on the lower surface of the heat conducting plate 7, a cooling coil 9 is installed at the edge of the upper surface of the heat conducting plate 7, and the cooling coil 9 is arranged between the shell 1 and the reaction chamber 2.

As shown in fig. 1 and 3, a control switch 10 is installed on the front surface of the housing 1, a motor 11 is fixed in the middle of the upper surface of the housing 1, a stirring shaft 12 is fixed at the output end of the motor 11, the stirring shaft 12 is located in the reaction chamber 2, a stirring blade 13 is fixed at the bottom end of the stirring shaft 12, and the control switch 10 is electrically connected with the heating resistance wire 8 and the motor 11 respectively.

Example two

In this embodiment, on the basis of the structure of the chemical solid-liquid reaction apparatus in the first embodiment, an included angle θ between a connecting line between the center of the upper opening and the center of the lower opening of the transition section 32 of the charging hopper 3 and the vertical direction is set within a range of 0 to 10 °, preferably 5 to 10 °. When the optimal range is selected, the included angle between the cylinder wall on one side of the transition section 32 and the horizontal direction is different from the included angle between the cylinder wall on the other side and the horizontal direction, as shown in fig. 4, one side of the transition section can be 78 degrees, the other side of the transition section can be 67 degrees, so that the transition section 32 forms an eccentric oblique hopper shape with the upper opening circle center and the lower opening circle center being different from each other, the geometric shape of the hopper can be improved by adopting the eccentric oblique hopper, the unbalanced transverse force of the hopper on the horizontal cross section is balanced, the integral unloading and the self-flowing of the hopper are mutually coordinated, and the probability of blocking the bottom of the hopper.

EXAMPLE III

In this embodiment, on the basis of the high school chemical solid-liquid reaction device provided in the first embodiment or the second embodiment, a liquid adding pipe 5 is further installed on the liquid guide pipe 4, and one end of the liquid adding pipe 5 extends into the liquid guide pipe 4, as shown in fig. 5 and 6. When the liquid for chemical reaction contains another liquid, the liquid can be added into the reaction cavity 2 through the liquid adding pipe 5 arranged on the liquid guide pipe 4 in the embodiment to react with the materials in the reaction cavity 2.

The end of the liquid adding pipe 5 extending into one end of the liquid guide pipe 4 is arranged at the axial position of the liquid guide pipe 4. In this embodiment, the position where the liquid in the filler tube 5 flows out from the filler tube 5 is at the axial center position of the liquid guide tube 4, and the discharging direction of the liquid in the filler tube 5 after flowing out from the filler tube 5 is parallel to the discharging direction of the liquid in the liquid guide tube 4 after flowing out from the liquid guide tube 4, which is beneficial to the mixing of two reaction liquids.

One end of the liquid adding pipe 5 extending into the liquid guide pipe 4 is bent at the axis position of the liquid guide pipe 4, and the bent part extends along the axis of the liquid guide pipe 4. Because the liquid adding pipe 5 is arranged on the liquid guide pipe 4 according to a certain inclination angle and has a certain included angle with the liquid guide pipe 4, the flow directions of the first reaction liquid flowing out of the liquid guide pipe 4 and the second reaction liquid flowing out of the liquid adding pipe are not parallel when the first reaction liquid and the second reaction liquid are mixed, and the mixing effect of the first reaction liquid and the second reaction liquid is influenced. Through adopting the above technical scheme of the utility model, make the second reaction liquid follow liquid feeding pipe 5 and flow the back, not only be located catheter 4's axle center position, still parallel with the ejection of compact direction of the first reaction liquid that flows from catheter 4, be favorable to the mixture of first reaction liquid and second reaction liquid, improved mixed effect.

The outer diameter of the liquid adding pipe 5 is smaller than the inner diameter of the liquid guide pipe 4.

The axis of the part of the filling pipe 5 extending along the axis of the liquid guide pipe 4 is on the same straight line with the axis of the liquid guide pipe 4.

The distance H1 between the end of the part of the liquid adding pipe 5 extending along the axis of the liquid guide pipe 4 and the lower surface of the shell 1 is less than the distance H3 between the right inclined part of the liquid guide pipe 4 and the lower surface of the shell 1, as shown in figure 6. Thus, the second reaction liquid flowing out from the liquid adding pipe 5 can be mixed with the first reaction liquid flowing out from the liquid guide pipe 4 and then enter the reaction cavity 2 together, and the reaction effect is improved.

A support device is fixed at the bent part and is lapped with the inner wall of the catheter 4. The support device ensures that the filling pipe 5 does not shake, so that the bent part of the filling pipe 5 can be kept at the axial position of the liquid guide pipe 4. The supporting device is a bracket 14, one end of the bracket 14 is fixed with the bent part of the filling pipe 5, and the other end of the bracket 14 is lapped with the inner wall of the liquid guide pipe 4, so that the bent part of the filling pipe 5 can be kept at the axial position of the liquid guide pipe 4. The number of the brackets 14 can be two, three or four, but it is not preferable that too many brackets 14 are provided, which may affect the feeding effect of the catheter 4.

The end of the bent part of the liquid adding pipe 5 is provided with a spray head 6, and the spraying direction of the spray head 6 is the same as the discharging direction of the liquid guide pipe 4. The distance H2 between the lower end surface of the spray head 6 and the lower surface of the shell 1 is smaller than the distance H3 between the right inclined part of the liquid guide pipe 4 and the lower surface of the shell 1, as shown in figure 6.

Take the third high school chemistry solid-liquid reaction device that provides of embodiment as an example below, describe the process that adopts the utility model provides a high school chemistry solid-liquid reaction device carries out solid-liquid reaction:

(1) firstly, the first reaction liquid is led into the reaction cavity 2 through the liquid guide tube 4, the lower part of the liquid guide tube 4 inclines rightwards, and the included angle between the lower part of the liquid guide tube 4 and the vertical direction is 35-45 degrees, so that the first reaction liquid falls to the bottom of the reaction cavity 2 along the side wall of the reaction cavity 2, the liquid is prevented from splashing, and the safety coefficient of chemical reaction can be improved for some substances which have severe solid-liquid reaction;

(2) meanwhile, solid powder materials needing to be reacted are added into the reaction cavity 2 through the charging hopper 3, because the charging hopper 3 is provided with the cone hopper section 31, the transition section 32 and the cylindrical section 33, and the included angle between the cylinder wall of the transition section 32 and the horizontal direction is more than or equal to 65 degrees and less than 90 degrees, the natural blanking of the solid powder materials is ensured, and the problem of difficult blanking caused by uneven blanking and easy blockage of the solid powder materials is fundamentally solved;

(3) then, the control switch 10 is used for controlling the rotation of the motor 11, and the first reaction liquid and the solid powdery material in the reaction cavity 2 are stirred, so that the solid powdery material and the reaction liquid react;

(4) in the reaction process, when heating is needed, the heating resistance wire 8 arranged on the lower surface of the heat conducting plate 7 is controlled by the control switch 10 to carry out heating treatment; if cooling treatment is needed, cooling is carried out by using a cooling coil 9 arranged between the shell 1 and the reaction cavity 2;

(5) when the liquid to be chemically reacted also contains a second reaction liquid, the second reaction liquid is added into the reaction cavity 2 through a liquid adding pipe 5 arranged on the liquid guide pipe 4 and reacts with the materials in the reaction cavity 2. Because the liquid adding pipe 5 is arranged on the liquid guide pipe 4 according to a certain inclination angle and a certain included angle exists between the liquid adding pipe 5 and the liquid guide pipe 4, the flow directions of the first reaction liquid flowing out of the liquid guide pipe 4 and the second reaction liquid flowing out of the liquid adding pipe 5 are not parallel when the first reaction liquid and the second reaction liquid are mixed, and the mixing effect of the first reaction liquid and the second reaction liquid is influenced. The end of one end of the liquid adding pipe 5 extending into the liquid guide pipe 4 is arranged at the axis position of the liquid guide pipe 4, preferably bent at the axis position of the liquid guide pipe 4 and extended along the axis of the liquid guide pipe 4, so that the second reaction liquid is not only positioned at the axis position of the liquid guide pipe 4 but also parallel to the discharging direction of the first reaction liquid flowing out of the liquid guide pipe 4 after flowing out of the liquid adding pipe 5, and the mixing of the first reaction liquid and the second reaction liquid is facilitated. A support device is fixed at the bent part and is lapped with the inner wall of the catheter 4. The support device ensures that the filling pipe 5 does not shake, so that the bent part of the filling pipe 5 can be kept at the axial position of the liquid guide pipe 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high school chemical solid-liquid reaction device comprises a shell (1) and a reaction cavity (2), and is characterized in that one side of the upper surface of the shell (1) is provided with a feeding hopper (3), and the other side is provided with a liquid guide pipe (4); the loading hopper (3) is provided with a cone hopper section (31), a transition section (32) and a cylindrical section (33), and an included angle between the cylinder wall of the transition section (32) and the horizontal direction is more than or equal to 65 degrees and less than 90 degrees.

2. The high school chemical solid-liquid reaction device according to claim 1, wherein the angle between the vertical direction and the line connecting the center of the upper opening and the center of the lower opening of the transition section (32) is 0-10 °.

3. A high school chemical solid-liquid reaction device according to claim 1 or 2, characterized in that the liquid guide tube (4) is provided with a filling tube (5), and one end of the filling tube (5) extends into the liquid guide tube (4).

4. A high school chemical solid-liquid reaction device according to claim 3, wherein the end of the filler pipe (5) extending into one end of the liquid guide pipe (4) is arranged at the axial position of the liquid guide pipe (4).

5. The high school chemical solid-liquid reaction device according to claim 4, wherein the end of the filler pipe (5) extending into the liquid guide pipe (4) is bent at the axis position of the liquid guide pipe (4), and the bent part extends along the axis of the liquid guide pipe (4).

6. A high school chemical solid-liquid reaction device according to claim 5, characterized in that a support device is fixed at the bend, and the support device is lapped with the inner wall of the liquid guide pipe (4).

7. A chemical solid-liquid reaction device as claimed in any one of claims 4 to 6, wherein the end of the bent part of the filling pipe (5) is provided with a spray nozzle (6).

8. A chemical solid-liquid reaction device according to claim 7, characterized in that the lower part of the liquid guide tube (4) is inclined to the right and the angle between the lower part and the vertical direction is 35-45 degrees.

9. The high school chemical solid-liquid reaction device according to claim 8, wherein a heat conducting plate (7) is fixed inside the housing (1), a plurality of heating resistance wires (8) are arranged on the lower surface of the heat conducting plate (7), a cooling coil (9) is installed at the edge of the upper surface of the heat conducting plate (7), and the cooling coil (9) is arranged between the housing (1) and the reaction chamber (2).

10. The high school chemical solid-liquid reaction device according to claim 9, wherein the front of the housing (1) is provided with a control switch (10), the middle part of the upper surface of the housing (1) is fixed with a motor (11), the output end of the motor (11) is fixed with a stirring shaft (12), the stirring shaft (12) is positioned in the reaction chamber (2), the bottom end of the stirring shaft (12) is fixed with a stirring blade (13), and the control switch (10) is electrically connected with the heating resistance wire (8) and the motor (11) respectively.