CN113355234B

CN113355234B - Reation kettle is used in preparation of quality of water enzyme-based modifier

Info

Publication number: CN113355234B
Application number: CN202110818966.6A
Authority: CN
Inventors: 盖振芳; 李晋; 于海舰; 赵凯
Original assignee: Shandong Yiyuan Environmental Engineering Co ltd
Current assignee: Shandong Yiyuan Environmental Engineering Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-11-08
Anticipated expiration: 2041-07-20
Also published as: CN113355234A

Abstract

The invention belongs to the field of water quality improvement, and particularly relates to a reaction kettle for preparing a water quality enzyme-based modifier, which comprises a kettle body, wherein the upper end, the middle part and the lower end of the kettle body are respectively and fixedly connected with: the upper end cover assembly comprises an upper cover and a stirring shaft which is arranged in the middle of the inner part of the kettle body in a penetrating manner; the water storage assembly comprises a refrigeration ring fixedly connected to the upper part of the inner wall of the kettle body and a water guide ring arranged below the refrigeration ring; a lower end cap assembly including a first sealing plate, a second sealing plate, and a third sealing plate. According to the invention, the heat dissipation is more uniform by drying through the bubbles, so that direct electric heating is avoided, the phenomenon that the activity of enzyme is influenced due to nonuniform drying and concentrated heat dissipation caused by direct contact of the raw materials and a heat source is avoided, the activity of the enzyme can be effectively ensured while heating is carried out, and the effect of the produced enzyme-based modifier is improved.

Description

Reation kettle is used in preparation of quality of water enzyme-based modifier

Technical Field

The invention belongs to the field of water quality improvement, and particularly relates to a reaction kettle for preparing a water quality enzyme-based modifier.

Background

With the rapid development of science and technology, various chemical products appear in the aspects of life, bring convenience to people and cause certain pollution, pollutants discharged into water can cause the change of the properties of the water body, and the polluted water body is improved by using a water quality modifier for reducing the pollution. The water quality substrate modifying agent is a preparation for reducing the amount of harmful substances, ammonia nitrogen nitrite, sulfide and the like which influence the growth and the reproduction of aquatic animals in water by adding substances with physical activity, chemical activity or biological activity into the water, so that the water body is recovered to be healthy.

In the production process of the traditional water quality substrate modifying agent, a reaction kettle is required to be used for mixing, heating and other processing of various raw materials, however, the traditional reaction kettle has a single heat source, and in the process of heating the raw materials containing the enzyme, due to the characteristic that the enzyme is volatile and alive in a high-temperature environment, when the traditional reaction kettle is used for heating, the enzyme is easily inactivated as the heat quantity received by the enzyme closer to the heat source is larger, so that the effect of the produced modifying agent on improving the water quality is influenced.

Therefore, a reaction kettle for preparing the water enzyme-based modifier is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems and provides a reaction kettle for preparing a water quality enzyme-based modifier, which can effectively avoid enzyme inactivation and further effectively improve the effect of the produced modifier on improving water quality.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a quality of water enzyme-based modifier preparation is with reation kettle, includes the cauldron body, the upper end of the cauldron body, middle part and lower extreme fixedly connected with respectively:

the upper end cover assembly comprises an upper cover and a stirring shaft penetrating through the middle part of the inside of the kettle body, stirring blades are fixedly connected to the ring side of the stirring shaft, and a stirring rod is arranged at the lower end of the stirring shaft;

the water storage assembly comprises a refrigeration ring fixedly connected to the upper part of the inner wall of the kettle body and a water guide ring arranged below the refrigeration ring, and a water guide groove is formed between the water guide ring and the refrigeration ring;

lower end cover subassembly, lower end cover subassembly includes first closing plate, second closing plate and third closing plate, the downside of first closing plate is provided with the lower cover, be provided with the heating chamber between lower cover and the first closing plate, the symmetry is provided with two air guide mechanisms that are used for transmitting gas between first closing plate and the second closing plate, be provided with a plurality of outlet ducts between second closing plate and the third closing plate, row's material pipe is worn to be equipped with at the middle part of third closing plate.

In foretell quality of water enzyme-based modifier preparation is with reation kettle, the upper end middle part of upper cover is provided with the shaft coupling, the upper end of shaft coupling is provided with driving motor, driving motor's lower extreme output shaft passes through shaft coupling and (mixing) shaft fixed connection, the upper end left and right sides of upper cover is provided with feed inlet and gas vent respectively.

In the above reaction kettle for preparing the water quality enzyme-based modifier, the stirring blade is of a spiral structure, and the stirring rod is perpendicular to the stirring shaft.

In the reaction kettle for preparing the water quality enzyme-based modifier, the section of the refrigeration ring is T-shaped, and the refrigeration ring adopts a semiconductor refrigeration sheet.

In foretell quality of water enzyme base improver preparation uses reation kettle, the heating intracavity is provided with the heating wire that a plurality of equidistance set up, the upper end fixed connection of heating wire is at the downside of first closing plate, the right side of lower cover is just being provided with the air-blower to the position in heating chamber, pass through pipe connection between air-blower and the heating chamber.

In the above reaction kettle for preparing the water quality enzyme-based modifier, the gas outlet pipe is radially distributed by taking the discharge pipe as the center of a circle, the middle part of the gas outlet pipe is provided with a gas-liquid one-way valve which can only be communicated upwards, and the discharge pipe is provided with an electromagnetic valve at a position close to the third sealing plate.

In foretell quality of water enzyme base improver reation kettle for preparation, air guide mechanism includes the stock solution storehouse and the air guide piece of fixed connection in the second sealing plate downside of fixed connection at first sealing plate upside, the stock solution storehouse is hollow annular structure, the inside in stock solution storehouse is provided with the evaporating liquid, the air duct is worn to be equipped with in the middle part in stock solution storehouse, the air duct passes first sealing plate and heats intracavity portion and communicates with each other, the upper end of air duct is provided with flexible pipe.

In foretell water quality enzyme base improver reation kettle for preparation, the upper end of flexible pipe is provided with the movable block, the inside of air guide block is just to the position fixedly connected with spacing ring above the movable block, the inside of movable block is provided with the air guide groove of U-shaped, the inside of air guide block is just to being provided with the air duct to the position of air guide groove, the upper and lower both ends of air duct all are provided with the air guide hole, the downside fixedly connected with control lever of movable block, the upper end of stock solution storehouse is just to being provided with the sleeve pipe to the position of control lever, the lower extreme setting of control lever is at the sheathed tube middle part, sheathed tube lower extreme communicates with each other with the stock solution storehouse is inside.

Compared with the prior art, the reaction kettle for preparing the water quality enzyme-based modifier has the advantages that:

1. according to the invention, the heat dissipation is more uniform by drying through the bubbles, so that direct electric heating is avoided, the phenomenon that the drying is uneven due to the fact that the raw materials are directly contacted with a heat source, the heat dissipation is concentrated, and the activity of the enzyme is influenced is avoided, so that the activity of the enzyme can be effectively ensured while heating is carried out, and the effect of the produced enzyme-based modifier is improved;

2. according to the invention, the refrigeration ring is arranged, after heat is transferred to the raw material through the bubbles, the bubbles rise, cold air generated by the refrigeration ring forms convection with hot air containing water vapor, the cold air falls, the hot air containing water vapor rises, and the hot air rises, is discharged through the upper pipeline on one hand, and on the other hand, part of water vapor is condensed on the refrigeration ring arranged in an annular manner when being connected with the refrigeration ring, so that the backflow of water is avoided; on the other hand, the cold air is reduced, so that the raw material on the upper side can be cooled, and the phenomenon that the produced modifying agent is affected due to enzyme inactivation caused by overhigh temperature is avoided;

3. the invention adopts the bubbles to transfer heat, and because the heat source is not directly contacted with the raw material, the condensation of the raw material on the heat source can not be caused, thereby being convenient for long-term use and not influencing the effect along with the increase of the use time;

4. when the bubbles contact with the stirring shaft in the ascending process, the turbulence effect can be improved through the bubbles, so that the contact area of the bubbles and the raw material is increased, the mixing is more uniform, and meanwhile, the raw material is prevented from being attached to the stirring shaft; meanwhile, in the process of rising the bubbles, the mixing effect of the raw materials can be further improved through the rising and moving of the bubbles, and the processing efficiency is improved; in the rising process of the bubbles, the retention time of the bubbles in the raw materials can be prolonged under the action of the stirring blades, so that the heat exchange efficiency is improved;

5. according to the invention, the refrigeration ring can be opened as required, and the temperature of the gas can be controllably changed by changing the components of the evaporating liquid according to the stirring environment requirements of different raw materials, so that the method is suitable for the processing requirements of different types of enzymes, and has a wide application range.

Drawings

FIG. 1 is a schematic structural diagram of a reaction kettle for preparing a water quality enzyme-based modifier provided by the invention;

FIG. 2 is a schematic diagram showing the separation of each structure of a reaction kettle for preparing a water quality enzyme-based modifier provided by the invention;

FIG. 3 is a schematic view of the internal structure of a kettle body of a reaction kettle for preparing the water quality enzyme-based modifier, which is provided by the invention;

FIG. 4 is a schematic structural diagram of an upper end cover assembly of a reaction kettle for preparing the water quality enzyme-based modifier, which is provided by the invention;

FIG. 5 is a schematic view of the connection between the first sealing plate and the second sealing plate of the reaction kettle for preparing the water quality enzyme-based modifier provided by the invention;

FIG. 6 is a schematic diagram of the external structure of the gas guide mechanism of the reaction kettle for preparing the water quality enzyme-based modifier provided by the invention;

FIG. 7 is a schematic diagram of the internal structure of the gas guide mechanism of the reaction kettle for preparing the water quality enzyme-based modifier.

In the figure, 1, a kettle body; 2. an upper end cap assembly; 3. a water storage assembly; 4. a lower end cap assembly; 5. an upper cover; 6. a stirring shaft; 7. stirring blades; 8. a stirring rod; 9. a refrigeration loop; 10. a water guide ring; 11. a water chute; 12. a reservoir chamber; 13. a water discharge joint; 14. a first sealing plate; 15. a second sealing plate; 16. a third sealing plate; 17. a lower cover; 18. a heating chamber; 19. an air guide mechanism; 20. an air outlet pipe; 21. a discharge pipe; 22. a coupling; 23. a drive motor; 24. a feed inlet; 25. an exhaust port; 26. an electric heating wire; 27. a blower; 28. a support leg; 29. a gas-liquid one-way valve; 30. an electromagnetic valve; 31. a liquid storage bin; 32. a gas guide block; 33. a gas-guide tube; 34. a telescopic pipe; 35. a movable block; 36. a limiting ring; 37. a gas guide groove; 38. a vent groove; 39. an air vent; 40. a control lever; 41. a sleeve.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-7, a reaction kettle for preparing a water quality enzyme-based modifier comprises a kettle body 1 for heating, mixing and other processing of raw materials, wherein the upper end, the middle part and the lower end of the kettle body 1 are fixedly connected with:

the upper end cover assembly 2 is used for sealing the upper end of the kettle body 1, the upper end cover assembly 2 comprises an upper cover 5 and a stirring shaft 6 penetrating through the middle part of the interior of the kettle body 1, the upper end of the stirring shaft 6 is movably connected with the middle part of the upper cover 5, the ring side of the stirring shaft 6 is fixedly connected with a stirring blade 7, the lower end of the stirring shaft 6 is provided with a stirring rod 8, the stirring blade 7 and the stirring rod 8 rotate along with the rotation of the stirring shaft 6, raw material liquid can be stirred through the stirring rod 8, and raw materials can be turned through the stirring blade 7;

the water storage component 3 is used for storing condensed water, the water storage component 3 comprises a refrigeration ring 9 fixedly connected to the upper part of the inner wall of the kettle body 1 and a water guide ring 10 arranged below the refrigeration ring 9, a water guide groove 11 is arranged between the water guide ring 10 and the refrigeration ring 9, the water guide groove 11 is arranged on the inner wall of the kettle body 1, a water storage chamber 12 is arranged at the position, close to the water guide groove 11, of the outer ring side of the kettle body 1, a water drainage connector 13 is arranged at the bottom of the water storage chamber 12, when hot air containing moisture is connected with the refrigeration ring 9, the hot air is condensed on the refrigeration ring 9 arranged in an annular mode and drops to the upper side of the water guide ring 10 under the action of gravity, the condensed water enters the water storage chamber 12 through the water guide groove 11 through the guide of the water guide ring 10, the condensed water can be conveniently discharged through the water drainage connector 13 when needed, and the backflow of the moisture is avoided;

the lower end cover assembly 4 is used for sealing the lower end of the kettle body 1, the lower end cover assembly 4 comprises a first sealing plate 14, a second sealing plate 15 and a third sealing plate 16, the second sealing plate 15 and the first sealing plate 14 are sequentially arranged at the lower end of the interior of the kettle body 1 from top to bottom, the second sealing plate 15 is of a hollow box structure and is internally used for transmitting gas, a lower cover 17 used for sealing is arranged on the lower side of the first sealing plate 14, a heating cavity 18 used for heating the gas is arranged between the lower cover 17 and the first sealing plate 14, two gas guide mechanisms 19 used for transmitting the gas are symmetrically arranged between the first sealing plate 14 and the second sealing plate 15, the gas reaching the appropriate temperature can be conveniently transmitted into the second sealing plate 15 from the heating cavity 18 through the gas guide mechanisms 19, a plurality of gas outlet pipes 20 used for discharging the gas are arranged between the second sealing plate 15 and the third sealing plate 16, the heat is transmitted into raw material liquid through the gas, the direct contact between the heat source and the raw material is avoided, the gas outlet pipes 20 are communicated with the interior of the second sealing plate 15, the gas transmission is convenient, the discharge pipe 21 used for passing through the processed after the middle of the third sealing plate 16, and the raw material discharge pipe passes through the lower end cover 21 communicated with the external discharge pipe.

The upper end middle part of upper cover 5 is provided with shaft coupling 22, and the upper end of shaft coupling 22 is provided with driving motor 23, and driving motor 23's lower extreme output shaft passes through shaft coupling 22 and (mixing) shaft 6 fixed connection, and it is rotatory to drive (mixing) shaft 6 through driving motor 23 and shaft coupling 22, and the upper end left side of upper cover 5 is provided with the feed inlet 24 that is used for putting into the raw materials of treating processing, and the upper end right side of upper cover 5 is provided with gas vent 25 that is used for exhaust gas.

Stirring leaf 7 is helical structure, and puddler 8 sets up with (mixing) shaft 6 is perpendicular, is convenient for improve turn and stirring effect to improve mixed effect.

The cross-section of refrigeration ring 9 is T shape, and refrigeration ring 9 adopts the semiconductor refrigeration piece, and the cross-section of water guide ring 10 is slope form arc plate structure, and the discharge of the comdenstion water of being convenient for avoids the backward flow.

A plurality of heating wires 26 are arranged in the heating cavity 18 at equal intervals, the upper ends of the heating wires 26 are fixedly connected to the lower side of the first sealing plate 14, a blower 27 is arranged at the position, right facing the heating cavity 18, of the right side of the lower cover 17, the blower 27 is connected with the heating cavity 18 through a pipeline, outside air is introduced into the heating cavity 18 through the blower 27, and air is heated through the heating wires 26.

The ring side fixedly connected with a plurality of landing legs 28 of lower cover 17, landing leg 28 equidistance distributes each other, improves the holistic job stabilization nature of reation kettle.

The gas outlet pipe 20 is radially distributed by taking the discharge pipe 21 as a circle center, the middle part of the gas outlet pipe 20 is provided with a gas-liquid one-way valve 29 which can only be communicated upwards to prevent raw material liquid from entering the gas outlet pipe 20, and the position of the discharge pipe 21 close to the third sealing plate 16 is provided with an electromagnetic valve 30 to facilitate liquid discharge control.

The gas guide mechanism 19 comprises a liquid storage bin 31 fixedly connected to the upper side of the first sealing plate 14 and a gas guide block 32 fixedly connected to the lower side of the second sealing plate 15, the liquid storage bin 31 is of a hollow annular structure, evaporated liquid is arranged inside the liquid storage bin 31, the evaporated liquid is a mixture of multiple solutions, the multiple solutions can be matched and mixed according to the inactivation temperature of the enzyme and the boiling point temperature of the multiple solutions, and the boiling point of a substance with the highest boiling point temperature in the multiple solutions is lower than the inactivation temperature of the enzyme, so that the inactivation of the enzyme caused by overhigh gas temperature can be effectively avoided; an air guide pipe 33 penetrates through the middle of the liquid storage bin 31, the air guide pipe 33 penetrates through the first sealing plate 14 to be communicated with the inside of the heating cavity 18, an expansion pipe 34 is arranged at the upper end of the air guide pipe 33, a movable block 35 is arranged at the upper end of the expansion pipe 34, a limiting ring 36 is fixedly connected to the position, right above the movable block 35, of the air guide block 32, a U-shaped air guide groove 37 is formed in the movable block 35, an air guide groove 38 is formed in the position, right above the air guide groove 37, of the inside of the air guide block 32, air guide holes 39 are formed in the upper end and the lower end of the air guide groove 38, a control rod 40 is fixedly connected to the lower side of the movable block 35, a sleeve 41 is arranged at the position, right above the control rod 40, the upper end of the control rod 40 is arranged in the middle of the sleeve 41, the lower end of the sleeve 41 is communicated with the inside of the liquid storage bin 31, evaporated liquid in the liquid storage bin 31 volatilizes after air reaches a preset temperature, the pressure of the air, the control rod 40 rises, the control rod 40, the control rod 34 stretches, when the air guide groove 37 and the air guide holes 39 are overlapped, air enters the second air guide pipe 16, and bubbles are transmitted to the upper end of the second air guide pipe 16.

The working principle is as follows:

when the device is used, raw material liquid containing enzyme is firstly put into the kettle body 1 from the feed inlet 24, the raw material enters the kettle body 1 and falls to the upper side of the third sealing plate 16 under the action of gravity, the electromagnetic valve 30 and the feed inlet 24 are closed, the electric heating wire 26 is conducted, the driving motor 23 and the air blower 27 are started at the same time, the refrigerating ring 9 is conducted, outside air is led into the heating cavity 18 through the air blower 27, after the air is heated through the electric heating wire 26, hot air rises and enters the air guide pipe 33, meanwhile, evaporating liquid in the liquid storage bin 31 is synchronously heated, the evaporating liquid is a mixture of various solutions, the various solutions can be matched and mixed according to the inactivation temperature of the enzyme and the boiling point temperature of the various solutions, the boiling point of a substance with the highest boiling point temperature in the various solutions is lower than the inactivation temperature of the enzyme, and therefore, the phenomenon that the gas temperature is too high to cause enzyme inactivation can be effectively avoided.

After the air reaches a preset temperature, evaporating liquid in the liquid storage bin 31 volatilizes, the internal gas pressure is increased, the control rod 40 is pushed to rise in the sleeve 41, the movable block 35 rises along with the rise of the control rod 40, the extension tube 34 stretches, when the air guide groove 37 coincides with the air guide hole 39, the gas in the air guide tube 33 enters the second sealing plate 15 through the extension tube 34, the air guide groove 37, the air guide hole 39 and the air guide groove 38, is transmitted to the upper part of the third sealing plate 16 through the air outlet tube 20, and is diffused into the raw material liquid in a bubble form through the upper end of the third sealing plate 16, and the raw material liquid around the bubbles can be heated in the process of contacting the raw material liquid, so that the heat dissipation is more uniform, the direct electric heating is avoided, the raw material is prevented from directly contacting a heat source, the uneven drying is avoided, the heat dissipation is concentrated, the activity of the enzyme is influenced, and the activity of the enzyme can be effectively ensured while the heating is carried out; drive (mixing) shaft 6 rotatory through driving motor 23 and shaft coupling 22, stirring leaf 7 and puddler 8 rotate along with the rotation of (mixing) shaft 6, can stir raw materials liquid through puddler 8, and along with the rotation of stirring leaf 7, the bubble can improve the dwell time in the raw materials under the effect of stirring leaf 7 at the in-process that rises to improve heat exchange efficiency.

In the rising process, when the bubbles contact with the stirring shaft 6, the turbulent flow effect can be improved through the bubbles, so that the contact area of the bubbles and the raw materials is increased, the mixing is more uniform, the raw materials are prevented from being attached to the stirring shaft 6, and the later-stage cleaning is facilitated; the hot air containing water vapor rises, the hot air rises and is discharged through an upper pipeline, on the other hand, when part of water vapor is connected with the refrigeration ring 9, the water vapor is condensed on the refrigeration ring 9 which is arranged annularly and drops to the upper side of the water guide ring 10 under the action of gravity, and the condensed water enters the water storage chamber 12 through the water guide groove 11 by the guide of the water guide ring 10 and can be conveniently discharged through the water discharge joint 13 when needed, so that the backflow of the water is avoided; on the other hand, the cold air is reduced, so that the raw material on the upper side can be cooled, and the inactivation of enzyme caused by overhigh temperature is avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides a quality of water enzyme-based modifier is reation kettle for preparation, includes the cauldron body (1), its characterized in that, the upper end, the middle part and the lower extreme of the cauldron body (1) are fixedly connected with respectively:

the upper end cover assembly (2) comprises an upper cover (5) and a stirring shaft (6) penetrating through the middle part in the kettle body (1), the annular side of the stirring shaft (6) is fixedly connected with a stirring blade (7), and the lower end of the stirring shaft (6) is provided with a stirring rod (8);

the water storage assembly (3) comprises a refrigeration ring (9) fixedly connected to the upper part of the inner wall of the kettle body (1) and a water guide ring (10) arranged below the refrigeration ring (9), and a water guide groove (11) is arranged between the water guide ring (10) and the refrigeration ring (9);

the lower end cover assembly (4) comprises a first sealing plate (14), a second sealing plate (15) and a third sealing plate (16), a lower cover (17) is arranged on the lower side of the first sealing plate (14), a heating cavity (18) is arranged between the lower cover (17) and the first sealing plate (14), two gas guide mechanisms (19) for transmitting gas are symmetrically arranged between the first sealing plate (14) and the second sealing plate (15), a plurality of gas outlet pipes (20) are arranged between the second sealing plate (15) and the third sealing plate (16), and a discharge pipe (21) penetrates through the middle of the third sealing plate (16);

a coupler (22) is arranged in the middle of the upper end of the upper cover (5), a driving motor (23) is arranged at the upper end of the coupler (22), an output shaft at the lower end of the driving motor (23) is fixedly connected with the stirring shaft (6) through the coupler (22), and a feeding hole (24) and an exhaust hole (25) are respectively formed in the left side and the right side of the upper end of the upper cover (5);

the stirring blade (7) is of a spiral structure, and the stirring rod (8) is perpendicular to the stirring shaft (6);

the section of the refrigerating ring (9) is T-shaped, and the refrigerating ring (9) adopts a semiconductor refrigerating sheet;

a plurality of heating wires (26) are arranged in the heating cavity (18) at equal intervals, the upper ends of the heating wires (26) are fixedly connected to the lower side of the first sealing plate (14), a blower (27) is arranged at the position, right opposite to the heating cavity (18), of the right side of the lower cover (17), and the blower (27) is connected with the heating cavity (18) through a pipeline;

the gas outlet pipe (20) is radially distributed by taking the discharge pipe (21) as a circle center, a gas-liquid one-way valve (29) which can only be communicated upwards is arranged in the middle of the gas outlet pipe (20), and an electromagnetic valve (30) is arranged at the position, close to the third sealing plate (16), of the discharge pipe (21);

the air guide mechanism (19) comprises a liquid storage bin (31) fixedly connected to the upper side of the first sealing plate (14) and an air guide block (32) fixedly connected to the lower side of the second sealing plate (15), the liquid storage bin (31) is of a hollow annular structure, evaporated liquid is arranged inside the liquid storage bin (31), an air guide pipe (33) penetrates through the middle of the liquid storage bin (31), the air guide pipe (33) penetrates through the first sealing plate (14) to be communicated with the inside of the heating cavity (18), and an extension pipe (34) is arranged at the upper end of the air guide pipe (33);

the upper end of flexible pipe (34) is provided with movable block (35), the inside of air guide block (32) is just to position fixedly connected with spacing ring (36) above movable block (35), the inside of movable block (35) is provided with air guide groove (37) of U-shaped, the inside of air guide block (32) is just being provided with air duct (38) to the position of air guide groove (37), the upper and lower both ends of air duct (38) all are provided with air guide hole (39), the downside fixedly connected with control lever (40) of movable block (35), the upper end of stock solution storehouse (31) is just being provided with sleeve pipe (41) to the position of control lever (40), the lower extreme setting of control lever (40) is at the middle part of sleeve pipe (41), the lower extreme and stock solution storehouse (31) inside of sleeve pipe (41) communicate with each other.