WO2020082607A1 - 粉体液体混合机 - Google Patents

粉体液体混合机 Download PDF

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Publication number
WO2020082607A1
WO2020082607A1 PCT/CN2019/070235 CN2019070235W WO2020082607A1 WO 2020082607 A1 WO2020082607 A1 WO 2020082607A1 CN 2019070235 W CN2019070235 W CN 2019070235W WO 2020082607 A1 WO2020082607 A1 WO 2020082607A1
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WO
WIPO (PCT)
Prior art keywords
tank
powder
liquid
tube
ring plate
Prior art date
Application number
PCT/CN2019/070235
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English (en)
French (fr)
Inventor
高志坚
马剑
王琳
刘建国
孙翔
舒泓宾
徐程
成鹏荣
Original Assignee
常州机电职业技术学院
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Publication of WO2020082607A1 publication Critical patent/WO2020082607A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
    • B01F35/531—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components with baffles, plates or bars on the wall or the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer

Definitions

  • the invention relates to a mixing machine, in particular to a machine for dissolving and mixing powder and liquid.
  • powder and liquid mixers are widely used in processing and manufacturing fields such as food, medicine, chemical industry, synthetic fiber and environmental protection. Their purpose is to uniformly mix powder and liquid at a certain ratio to form a homogenized solution or Pasty products. For example, in the manufacturing process of reconstituted milk, a powder and liquid mixer is required to fully mix the milk powder and clean water into a milk solution.
  • the invention with authorization announcement number CN103432918B discloses a powder-liquid dissolving mixer.
  • the technical solution and working principle of the invention are: constant pressure and quantitative input of liquid in a liquid infusion tube.
  • the right spiral blade wing quickly enters the expansion mixing chamber in a left / right-handed shape, the powder pneumatic conveying tube is inserted into the middle of the expansion mixing chamber, and the powder is quantitatively input into the squirrel cage mixing mechanism in the expansion mixing chamber by pneumatic force.
  • the powder-containing gas in the liquid in the mechanism is bubbled and turned left / right to dissolve and mix in the liquid.
  • the squirrel cage mixing mechanism plays a role in blocking rotation and facilitating stirring, so as to accelerate the dissolution and mixing of the powder.
  • the dissolved liquid enters the second diameter-reducing pipe containing the right / left spiral blade wings, and the liquid forms a baffle along the right / left spiral line to further dissolve, homogenize, and mix the powder.
  • the mixed liquid flows into the storage tank.
  • the invention has the following deficiencies: 1
  • the powder is mixed with the liquid in the expansion mixing chamber through pneumatic input, and a large amount of air will also enter the expansion mixing chamber to mix with the liquid, so a large number of bubbles will be generated in the liquid.
  • Liquid separation 2
  • the bubble contains dust, and the bubble film separates the liquid from the dust in the bubble, which is not conducive to the mixing and dissolution of the powder and liquid;
  • the small powder mass can only be dissolved in the solution by natural force in the liquid storage barrel, thus affecting the quality of the powder and liquid mixed and dissolved.
  • the conical tube is provided in the inner cavity of the tank, the small-diameter nozzle of the conical tube faces downward and the large-diameter nozzle faces upward, and the edge of the large-diameter nozzle of the conical tube constitutes the overflow edge.
  • the overflow edge is kept at a distance from the inner wall surface of the side wall of the tank in the radial direction.
  • the entire overflow edge is in the same horizontal plane.
  • the connecting plates are respectively connected to the tank wall of the tank and the conical tube.
  • the number of connecting plates is Two or more, and distributed in a circular array around the axis of the conical tube;
  • the agitator is composed of a shaft sleeve, an upper ring plate, a lower ring plate, a long mixing blade, a short mixing blade, an upper inlet pipe and a lower inlet pipe, the shaft sleeve is cylindrical, and the inner hole of the shaft sleeve is opened There is a keyway, the upper ring plate and the lower ring plate are both coaxial with the sleeve, and the long stirring blade and the short stirring blade are provided between the upper ring plate and the lower ring plate
  • the number of long mixing blades is two or more, and the number of short mixing blades is two or more.
  • Each long mixing blade and short mixing blade are along the diameter of the upper and lower circular plates Layout, all the long mixing blades and short mixing blades are distributed in an annular array around the axis of the upper ring plate and the lower ring plate, the long mixing blades and the short mixing blades are respectively with the bottom surface of the upper ring plate and the top of the lower ring plate
  • the surface is fixedly connected, one end of the long stirring blade protrudes from the inner cylindrical surface of the upper ring plate and the lower ring plate along the radial direction of the shaft sleeve and is fixedly connected with the outer cylindrical surface of the sleeve, and the other end of the long stirring blade is along the axis
  • the radial direction of the sleeve protrudes from the outer cylindrical surface of the upper and lower ring plates, and one end of the short stirring blade protrudes from the upper and lower ring plates along the radial direction of the sleeve
  • the inner cylindrical surface of the plate and the other end protrudes out of
  • the motor is fixed on the tank body, and the rotating shaft of the motor is arranged along the height direction of the tank body and connected with the upper end of the transmission shaft arranged along the height direction of the tank body, and the lower end of the transmission shaft passes through the cone
  • the tube extends from the small diameter orifice of the conical tube.
  • the agitator is installed at the lower end of the drive shaft.
  • the upper inlet of the upper inlet tube of the agitator is opposite to the small diameter orifice of the conical tube and the upper inlet tube Maintain a gap between the upper nozzle of the cone and the small diameter nozzle of the conical tube;
  • the first discharge pipe is connected to the bottom of the tank body and communicates with the lowest part of the bottom surface of the inner cavity of the tank body.
  • the powder liquid mixer is further provided with a powder tube, which is located beside the motor and above the conical tube, and the powder tube is fixed on the tank.
  • the powder-liquid mixer is further provided with a liquid inlet pipe, the liquid inlet pipe passes through the tank wall from the outside of the tank wall of the tank body, extends into the cavity of the tank body and is fixed on the tank wall of the tank body
  • the nozzle of the liquid inlet pipe extending into the inner cavity of the tank is located above the inner wall surface of the conical pipe.
  • a spoiler is provided on the wall surface of the inner cavity of the tank, and the spoiler is a strip-shaped thin plate, and one side of the strip-shaped spoiler is connected to the tank wall of the tank in the height direction of the tank.
  • the powder-liquid mixer further includes a second discharge pipe fixed on the tank wall of the tank body, and the second discharge pipe passes through the tank wall in the lower middle part of the tank body and extends into the tank In the inner cavity of the body, the nozzle of the second discharge tube in the inner cavity of the tank is kept at a large distance from the wall of the tank and the center of the tank.
  • the powder liquid mixer is also provided with a liquid guide tube and a rib plate, the liquid guide tube is arranged under the agitator along the height direction of the tank, and the upper nozzle of the liquid guide tube is connected with The lower orifice of the lower inlet pipe of the agitator is opposite, and the gap between the upper orifice of the catheter and the lower orifice of the lower inlet pipe is maintained.
  • the ribs are respectively connected to the catheter and the tank. The number of ribs is two or more, and they are distributed in a circumferential array around the outer cylindrical surface of the catheter.
  • the powder-liquid mixing machine is further provided with a powder uniformity spreading device.
  • the powder uniformity spreading device includes a rotating drum and a brush drum, and the rotating drum is rotatably supported on the tank and located in the powder tube Below the nozzle of the powder tube, the shape of the nozzle of the powder tube is rectangular and a gap is maintained between the nozzle of the powder tube and the outer cylindrical surface of the rotating drum.
  • the axis of the brush cylinder is parallel to the axis of the rotating cylinder.
  • a large number of bristles are inlaid on the brush cylinder.
  • the tip of the bristles inlaid on the brush cylinder is in contact with the cylindrical surface of the rotating cylinder.
  • the conical tube is also provided with a liquid-conducting groove suitable for solution flow.
  • the cross-sectional shape of the liquid-conducting groove is U-shaped.
  • the liquid-conducting groove penetrates the wall of the conical tube from the inside of the conical tube outward So that one port of the liquid guiding groove is located outside the conical tube and the other port is located inside the conical tube and close to the transmission shaft.
  • the gap between the port of the liquid guiding groove close to the transmission shaft and the cylindrical surface of the transmission shaft is maintained.
  • the height of the near drive shaft end of the liquid tank is slightly lower than that of the far drive shaft end.
  • the powder-liquid mixed solution contains small powder that has not been completely dissolved, it can be sucked into the stirrer 7 again and stirred and mixed, so the mixing quality of the powder and liquid is high;
  • Example 1 is a front view of Example 1 of the present invention, the arrowed short line in the figure indicates the direction of circulation of the solution in the inner cavity of the tank;
  • Fig. 2 is a top view of Fig. 1, showing the structure of a conical tube, a connecting plate, a spoiler, and also showing the direction in which the connecting plate is arranged on a horizontal plane, and the connecting plate is suitable for the radial direction of the tank body on the horizontal plane
  • the angle of inclination is for concise expression.
  • the motor, transmission shaft and agitator are not shown in the picture;
  • FIG. 3 is a half cross-sectional view of the agitator of the present invention, showing the structure of the agitator;
  • FIG. 4 is a top view of FIG. 3, showing the structure of the agitator
  • FIG. 5 is a front view of Embodiment 2 of the present invention, showing that the present invention adds a powder uniformity spreading device, a liquid guide tube and a rib on the basis of the structure shown in FIG. 1, and also shows a cone tube
  • the structure of the liquid guide tank is added, and the short line with arrows in the figure indicates the direction of circulation of the solution in the inner cavity of the tank;
  • FIG. 6 is a top view of FIG. 5 showing the structure of the powder uniformity distribution device and the liquid-conducting tank. For concise expression, the motor and agitator are not shown in the figure;
  • Fig. 8 shows the structure of the powder uniformity distribution device.
  • tank 1 base 2, conical tube 3, overflow edge 4, liquid guide groove 5, connecting plate 6, agitator 7, bushing 8, upper ring plate 9, lower ring plate 10.
  • Long mixing blade 11 short mixing blade 12, upper inlet pipe 13, lower inlet pipe 14, motor 15, transmission shaft 16, nut 17, powder pipe 18, liquid inlet pipe 19, first discharge pipe 20, first The second discharge tube 21, spoiler 22, liquid guide tube 23, rib 24, rotating drum 25, brush cylinder 26, bristles 27.
  • the powder liquid mixer described in this embodiment includes a tank 1, a base 2, a conical tube 3, an overflow edge 4, a connecting plate 6, an agitator 7, a motor 15, and a transmission shaft 16 ⁇ Nut 17 and the first discharge tube 20.
  • the tank 1 is the main body of the powder-liquid mixer.
  • the tank 1 is provided with an inner cavity for storing the solution obtained after mixing the powder and liquid.
  • the bottom of the inner cavity is the bottom with the lowest arc surface in the center.
  • the side wall of the tank 1 of this embodiment is circular (but not limited to circular, oval or polygonal), the bottom of the inner cavity of the tank 1 is semi-ellipsoidal, and the bottom of the tank 1 is provided with
  • the base 2 is adapted to support the tank 1 on the ground.
  • the conical tube 3 is provided in the inner cavity of the tank body 1, the small-diameter nozzle of the conical tube 3 faces downward and the large-diameter nozzle faces upward, and the conical tube 3 of this embodiment
  • the axis of is set along the height direction of the tank body 1, but is not limited to being set completely along the height direction of the tank body 1.
  • the conical tube 3 has a larger cone angle and the diameter of the large-diameter nozzle is larger.
  • the overflow edge 4 is provided at the large-diameter nozzle of the conical tube 3, and the overflow edge 4 has a ring shape.
  • the overflow of this embodiment The side 4 is composed of the nozzle edge of the large-diameter nozzle of the conical tube 3, and the overflow edge 4 and the inner wall surface of the side wall of the tank 1 are in the radial direction (that is, the radial direction of the large-diameter nozzle of the conical tube 3) Maintain a suitable distance, the entire overflow edge 4 is in the same horizontal plane, or the overflow edge 4 is located in the same horizontal plane, that is, the height of the overflow edge 4 is equal. Please refer to FIG.
  • the connecting plate 6 is respectively connected to the side wall of the tank 1 and the inner wall surface of the conical tube 3, so as to fix the conical tube 3 in the inner cavity of the tank 1, the connecting plate 6
  • the number is two or more and is distributed in an annular array around the axis of the conical tube 3.
  • Each connecting plate 6 stands upright and the connecting plate 6 has an appropriate inclination with respect to the radial direction of the tank 1, ie, each connecting plate 6 Both are arranged vertically and the connecting plate 6 has an appropriate inclination angle with the radial direction of the tank body 1, and the degree of this angle is greater than 0 ° and less than 90 °.
  • the agitator 7 is composed of a sleeve 8, an upper ring plate 9, a lower ring plate 10, a long mixing blade 11, a short mixing blade 12, an upper inlet pipe 13 and a lower inlet
  • the tube 14 is composed of the sleeve 8 having a cylindrical shape, the inner hole of the sleeve 8 is keyed, and the upper ring plate 9 and the lower ring plate 10 are both coaxially arranged with the sleeve 8 at The long agitating blade 11 and the short agitating blade 12 are provided between the upper annular plate 9 and the lower annular plate 10.
  • the shapes of the long agitating blade 11 and the short agitating blade 12 are rectangular thin plates, and the long agitating blade 11
  • the number of short mixing blades 12 is two or more, and the number of short mixing blades 12 is two or more.
  • Each long mixing blade 11 and short mixing blade 12 are along the upper ring plate 9 and the lower ring plate 10. Radially arranged, all the long mixing blades 11 and the short mixing blades 12 are distributed in an annular array around the axes of the upper ring plate 9 and the lower ring plate 10, and the long mixing blades 11 and the short mixing blades 12 are alternately arranged.
  • the short stirring blade 12 is vertically fixed to the bottom surface of the upper annular plate 9 and the top surface of the lower annular plate 10 respectively, and one end of the long stirring blade 11 protrudes from the upper annular plate 9 and the lower circle along the radial direction of the sleeve 8
  • the inner cylindrical surface of the ring plate 10 Fixedly connected to the outer cylindrical surface of the sleeve 8, the other end of the long stirring blade 11 protrudes from the outer cylindrical surface of the upper and lower ring plates 9 and 10 along the radial direction of the sleeve 8, and one end of the short stirring blade 12
  • the radial direction of the sleeve 8 protrudes from the inner cylindrical surface of the upper ring plate 9 and the lower ring plate 10 and the other end protrudes from the upper ring plate 9 and the lower ring plate 10 along the radial direction of the sleeve 8
  • the upper inlet tube 13 is placed on the top surface of the upper ring plate 9 and fixed coaxially with the upper ring plate 9,
  • the motor 15 is fixed on the tank body 1, the rotation axis of the motor 15 is arranged along the height direction of the tank body 1 and the transmission shaft arranged along the height direction of the tank body 1
  • the upper end of 16 is connected, the lower end of the transmission shaft 16 passes through the conical tube 3 and protrudes from the small diameter nozzle of the conical tube 3
  • the agitator 7 is installed at the lower end of the transmission shaft 16 and fastened with the nut 17 ,
  • the upper nozzle of the upper inlet pipe 13 of the agitator 7 is opposite to the small diameter nozzle of the conical pipe 3 (in other words, the axis of the upper inlet pipe 13 of the agitator 7 is aligned with the small diameter of the conical pipe 3 The center of the nozzle), and maintain an appropriate gap between the upper nozzle of the upper inlet tube 13 and the small-diameter nozzle of the conical tube 3, and the motor 15 drives the agitator 7 to rotate through the transmission shaft 16.
  • the first discharge pipe 20 is connected to the bottom of the tank body 1 and communicates with the lowest part of the bottom surface of the inner cavity of the tank body 1.
  • the powder-liquid mixer described in this embodiment further includes a powder tube 18.
  • the powder tube 18 is disposed beside the motor 15 and located on the conical tube 3. Above, the powder tube 18 is fixed on the tank 1.
  • the powder-liquid mixer described in this embodiment further includes a liquid inlet pipe 19, and the liquid inlet pipe 19 passes through the outside of the tank wall of the tank 1
  • the tank wall extends into the inner cavity of the tank body 1 and is fixed on the tank wall of the tank body 1.
  • the nozzle of the liquid inlet pipe 19 extending into the inner cavity of the tank body 1 is located above the inner wall surface of the conical tube 3.
  • the wall surface of the inner cavity of the tank 1 is provided with a spoiler 22, the spoiler 22 is a thin strip-shaped plate, and the spoiler 22 is strip-shaped One side is connected to the tank wall of the tank 1 along the height direction of the tank 1.
  • the powder-liquid mixer of this embodiment further includes a second discharge pipe 21 fixed on the tank wall of the tank 1.
  • the second discharge pipe 21 passes through the tank wall of the lower part of the tank body 1 and extends into the inner cavity of the tank body 1, and the second discharge pipe 21 is located at the nozzle of the inner cavity of the tank body 1 and the tank
  • the tank wall of the body 1 and the center of the tank body 1 maintain a large distance.
  • the motor 15 is started to rotate the agitator 7, and then the powder tube 18 is used to sprinkle powder onto the inner wall surface of the conical tube 3, because There is a liquid film on the inner wall surface of the conical tube 3, so the powder is sprinkled on the liquid film, and flows with the liquid film to the small diameter nozzle of the conical tube 3, and then flows into the upper inlet tube 13 of the agitator 7, powder and liquid Stirred vigorously by the stirrer 7 to mix into a solution and thrown out from between the upper ring plate 9 and the lower ring plate 10 in the radial direction of the stirrer 7, the thrown solution rotates in the inner cavity of the tank 1 , The direction of rotation coincides with the direction of rotation of the agitator 7.
  • the amount of powder to be sprayed onto the inner wall surface of the conical tube 3 can be increased, and the spraying of the liquid from the liquid inlet pipe 19 to the inner wall surface of the conical tube 3 can be reduced or even stopped until the powder to liquid ratio of the solution reaches the standard.
  • the mixed solution may contain small powder clusters that have not been mixed evenly. The small powder clusters with more gas content are lighter in weight and float on the liquid surface. It is easy to cross the overflow edge 4 and enter the stirring through the small diameter nozzle of the conical tube 3 The mixer 7 is again stirred by the stirrer 7 to crush and mix the small dough with light specific gravity.
  • the small powder mass with low gas content has a large specific gravity, which is deposited in the center of the bottom of the inner cavity of the tank 1 and can be sucked in by the lower inlet pipe 14 of the agitator 7 and stirred again by the agitator 7 to stir the small powder mass with a large specific gravity. Crush and mix.
  • the mixed solution is discharged out of the inner cavity of the tank 1 from the first discharge pipe 20 or the second discharge pipe 21.
  • the working principle and beneficial effects of the agitator 7 please refer to FIGS. 3 and 4.
  • the high-speed rotating agitator 7 causes the solution in the agitator 7 to generate centrifugal force.
  • the centrifugal force causes the solution to move from the upper annular plate 9 along the radial direction of the agitator 7 It is thrown away from the lower ring plate 10, and at the same time, the solution containing small powder balls is sucked into the agitator 7 by the upper inlet pipe 13 and the lower inlet pipe 14.
  • the protrusions of the short stirring blades 12 protrude from the inner cylindrical surfaces of the upper and lower annular plates 9 and 10.
  • the function of the protruding portions of the long stirring blade 11 and the short stirring blade 12 protruding from the outer cylindrical surface of the upper ring plate 9 and the lower ring plate 10 is to cause the solution thrown out of the stirrer 7 in the radial direction to generate a strong vortex
  • the solution in the inner cavity of the tank 1 is rotated, and the violent vortex will smash the remaining small powder balls out of the agitator 7 again, further improving the mixing efficiency of the powder and liquid.
  • the connecting plate 6 is respectively connected to the side wall of the tank body 1 and the inner wall surface of the conical tube 3, thereby fixing the conical tube 3 to the inner cavity of the tank body 1 in.
  • the connecting plate 6 that fixes the conical tube 3 stands upright and the connecting plate 6 has an appropriate inclination with respect to the radial direction of the tank 1.
  • the optimal inclination direction of the connecting plate 6 is the same direction as the swirling direction of the vortex, which helps The turbulent vortex is formed on the inner wall surface of the conical tube 3 by the solution. The more turbulent the vortex formed by the solution on the inner wall surface of the conical tube 3 is, the more favorable the powder-liquid mixing is.
  • the spoiler 22 is provided on the wall surface of the inner cavity of the tank 1 so that the solution rotating in the inner cavity of the tank 1 encounters the spoiler
  • the plate 22 generates a vortex, which helps the powder and liquid to be further mixed.
  • the mouth of the second discharge pipe 21 located in the inner cavity of the tank body 1 is kept at a large distance from the tank wall of the tank body 1 and the center of the tank body 1 so that the nozzle hole is located away from the side wall of the tank body 1 and
  • the area of the center of the tank 1 avoids the small dust near the side wall of the tank 1 and the small dust near the center of the tank 1, which helps reduce the discharge from the second discharge pipe 21 The amount of small dough in the solution.
  • the powder liquid mixer described in this embodiment has the following advantages.
  • the powder-liquid mixer described in this embodiment does not aerate the liquid during the powder-liquid mixing process, nor does it mix the gas and the liquid, so it does not generate a large number of bubbles, and does not require defoaming treatment or Gas-liquid separation. This is very beneficial for preventing solution oxidation and controlling the gas content in the solution.
  • the powder-liquid mixed solution contains small powders that have not yet been completely dissolved, it can be sucked into the stirrer 7 again for stirring and mixing, so the mixing quality of the powder and liquid is high.
  • the powder-liquid mixer described in this embodiment can perform discontinuous production (that is, one-pot production) or continuous production.
  • discontinuous production that is, one-pot production
  • the first discharge pipe 20 and the second discharge pipe 21 are closed.
  • the first discharge pipe 20 is opened to discharge Clean all the solution in tank 1 before proceeding to the next tank production.
  • the use of discontinuous production can achieve a high degree of uniformity in the mixing of powder and liquid. The probability of containing small powder in the solution is extremely low, but the production efficiency is slightly lower.
  • the first discharge pipe 20 When performing continuous production in this embodiment, the first discharge pipe 20 must be closed. When the liquid level of the solution in the inner cavity of the tank 1 exceeds the overflow side 4 of the conical tube 3 and the powder-liquid ratio of the solution reaches the standard, the powder tube 18 and the liquid-inlet tube 19 are respectively matched with the powder and liquid of the solution Compared with adding powder and adding liquid, and opening the second discharge pipe 21 at the same time, continuous production can be realized in this embodiment, and the solution after mixing is discharged from the second discharge pipe 21 provided in the middle and lower parts of the tank body 1.
  • the purpose of using the second discharge pipe 21 instead of the first discharge pipe 20 to discharge the solution is to prevent small powder pellets deposited on the bottom surface of the inner cavity of the tank 1 from being discharged with the solution. Using continuous production, higher production efficiency can be obtained, but the probability of small powder in the discharged solution is slightly higher than that of discontinuous production.
  • the powder liquid mixer of the present invention can add a liquid guide tube 23 and a rib 24.
  • the liquid guide tube 23 is along the height direction of the tank 1 Set below the agitator 7 and make the upper port of the catheter 23 and the lower port of the lower inlet tube 14 of the agitator 7 (in other words, make the axis of the lower inlet tube 14 of the agitator 7) Align the center of the upper nozzle of the catheter 23), maintain an appropriate gap between the upper nozzle of the catheter 23 and the lower nozzle of the lower inlet tube 14, the lower nozzle of the catheter 23 is close to the The center of the bottom surface of the inner cavity of the tank 1.
  • the catheter 23 is a circular tube, but it is not limited to a circular tube, and an elliptical or rectangular tube may be used.
  • the ribs 24 are respectively connected to the catheter 23 and the bottom surface of the inner cavity of the tank 1 so as to fix the catheter 23 in the cavity of the tank 1, the number of ribs 24 is two or more and A circumferential array surrounding the outer cylindrical surface of the catheter 23 is distributed. It should be noted here that if a circular tube is used for the catheter 23, the ribs 24 are distributed around the circumferential array of the outer cylindrical surface of the catheter 23, in other words, the ribs 24 are guided around the axis of the catheter 23
  • the liquid tubes 23 are distributed in an annular array on the outer cylindrical surface.
  • each rib 24 is upright and the rib 24 is properly inclined with respect to the radial direction of the catheter 23, that is, each rib 24 is vertically arranged and the rib 24 and the catheter 23 are
  • the radial direction has a suitable angle of inclination. The degree of this angle is greater than 0 ° and less than 90 °.
  • the function and beneficial effect of the catheter 23 small powders of specific gravity are deposited at the bottom of the inner cavity of the tank 1, and the function of the catheter 23 is to let the small powders of the bottom of the internal cavity of the tank 1 pass through the catheter 23 is sucked into the lower inlet pipe 14 of the agitator 7 (please refer to FIG. 5), which can greatly improve the efficiency of the agitator 7 to absorb the small powder balls at the bottom of the inner cavity of the tank 1, thereby further improving the agitating efficiency of the agitator 7 .
  • the rib 24 is connected to the liquid guide tube 23 and the bottom surface of the inner cavity of the tank 1 respectively, so as to fix the liquid guide tube 23 in the inner cavity of the tank 1.
  • the ribs 24 stand upright and the ribs 24 have an appropriate inclination with respect to the radial direction of the liquid guide tube 23, and their function is to guide the solution so that the small powder at the bottom of the inner cavity of the tank 1 leads to the liquid guide tube 23 The lower nozzle gathers.
  • the powder-liquid mixer of the present invention can be additionally provided with a powder uniformity spreading device.
  • the powder uniformity spreading device includes a rotating drum 25 and a brush drum 26.
  • the rotating drum 25 is rotatably supported on the can body 1 and is located below the nozzle of the powder pipe 18, please refer to FIGS. 6 and 8.
  • the shape of the nozzle of the powder tube 18 is rectangular and is adapted to the outer cylindrical surface of the rotating drum 25, and an appropriate gap is maintained between the outer cylindrical surface of the rotating drum 25 and the nozzle of the powder tube 18.
  • the brush barrel 26 is rotatably supported on the can body 1 and is located on the side of the rotary drum 25.
  • the axis of the brush barrel 26 is parallel to the axis of the rotary drum 25.
  • a large number of bristles 27 are inlaid on the brush barrel 26.
  • the cylindrical surface formed by the bristle tips of a large number of bristles 27 is in rotational contact with the cylindrical surface of the drum 25, in other words, the bristle tips of the bristles 27 inlaid on the drum 26 are in contact with the cylindrical surface of the drum 25.
  • the rotating drum 25 of the powder spreading device does not rotate, and the mouth of the powder tube 18 is changed by the rotating drum 25 The cylindrical surface is blocked, and the powder tube 18 cannot discharge the powder.
  • the rotating drum 25 rotates clockwise.
  • the powder at the mouth of the powder tube 18 is brought out of the cylindrical surface of the rotating drum 25 by friction.
  • a thin layer of powder is distributed on the cylindrical surface of the rotating drum 25 and rotates with it.
  • the cylindrical surface of the barrel 25 is turned into contact with the brush barrel 26, the brush barrel 26 rotates counterclockwise and the linear velocity of the bristle tip of the bristles 27 is greater than the linear speed of the cylindrical surface of the rotary barrel 25, attached to the rotary barrel 25
  • the powder on the cylindrical surface is broken up and dropped by the bristles 27 on the brush cylinder 26, and the powder is scattered into the vortex of the solution on the inner wall surface of the conical tube 3. Because the powder is dispersed into the vortex of the solution, the mixing effect of the powder and liquid is better.
  • the powder evenly spreading device also functions as a valve of the powder tube 18.
  • the speed of the rotating speed of the rotating drum 25 the speed of the powder output of the powder tube 18 can be controlled, so the powder evenly spreading device can also play a role in controlling the flow rate of the powder output of the powder tube 18.
  • the conical tube 3 may be provided with a liquid guide groove 5 suitable for the solution flow.
  • the cross-sectional shape of the liquid guiding groove 5 is U-shaped, and the liquid guiding groove 5 penetrates the wall of the conical tube 3 from the inside of the conical tube 3 outwards, so that one port of the liquid guiding groove 5 is located outside the conical tube 3 and The other port is located inside the conical tube 3 and close to the transmission shaft 16.
  • the shape of the port of the liquid guide groove 5 near the transmission shaft 16 matches the cylindrical surface of the transmission shaft 16. Maintain a proper gap between the two, and the height of the end of the liquid guide groove 5 near the transmission shaft 16 is slightly lower than the height of the end of the far transmission shaft 16.
  • the solution outside the conical tube 3 can flow into the liquid guide groove 5 through the port of the liquid guide groove 5 outside the conical tube 3, and then flow to the transmission shaft 16 through the liquid guide groove 5
  • the liquid flowing down on the transmission shaft 16 and along the cylindrical surface of the transmission shaft 16 can wash away the powder adhered to the transmission shaft 16. Because the transmission shaft 16 is rotating, the solution poured on the transmission shaft 16 will form a liquid film on the cylindrical surface of the transmission shaft 16 and the liquid film will surround the cylindrical surface of the transmission shaft 16 to prevent the powder from sticking to the transmission shaft 16 on.
  • connection In the present invention, unless otherwise clearly specified and defined, the terms “installation”, “connection”, “connection”, “fixation” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , Or integrated; can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
  • horizontal does not mean that the components are required to be absolutely horizontal or overhanging, but may be slightly inclined.
  • horizontal only means that its direction is more horizontal than “vertical”, it does not mean that the structure must be completely horizontal, but it can be slightly inclined.
  • the first feature above or below the second feature may include the direct contact of the first and second features, or may include the first and second features not directly in contact It is through the contact of additional features between them.
  • the first feature above, above and above the second feature includes the first feature directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • the first feature is below, below, and below the second feature, including that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontal than the second feature.

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Abstract

本发明涉及一种粉体液体混合机，粉体液体混合机的罐体（1）设有储存溶液的内腔，在罐体（1）的底部设有底座（2），圆锥管（3）设于罐体（1）的内腔中，圆锥管（3）的大直径管口朝上且管口边缘构成溢流边（4），电动机（15）的转轴与传动轴（16）的上端连接，搅拌器（7）安装于传动轴（16）的下端且其上进口管（13）的管口与圆锥管（3）的小直径管口相对，第一出料管（20）连接于罐体（1）的底部。本发明在粉液混合时不会产生大量气泡，尚未被完全溶解的小粉团还能再次被搅拌器（7）混合。

Description

粉体液体混合机 技术领域
本发明涉及一种混合机器，具体涉及一种粉体与液体溶解混合的机器。
背景技术
目前，粉体与液体混合机广泛应用于食品、医药、化工、合成纤维及环保等加工制造业领域，其用途在于将粉体与液体按一定比例进行均匀混合，从而形成均质化的溶液或浆状产品。例如，在复原奶制造过程中，需使用粉体与液体混合机将奶粉与清洁水充分混合成奶液。
授权公告号为CN103432918B的发明公开了一种粉液体溶解混合器，该发明的技术方案及工作原理是：液体输液管定压、定量输入液体，通过缩小管径第一缩径管道内的左/右螺旋叶翅以左/右旋状快速进入扩大混合室，粉体气力输送管插入扩大混合室中部，通过气力将粉体定量输入设置在扩大混合室中的鼠笼混合机构内，鼠笼混合机构内液体中的含粉气体在气液动能双作用下，鼓泡翻腾左/右旋转溶解混合于液体内。鼠笼混合机构在此处起到了阻滞旋转和利于搅拌的作用，使粉体的溶解混合加快。溶解后的液体进入含有右/左螺旋叶翅的第二缩径管道，液体沿着右/左螺旋线形成折流进一步溶解、均化、混合粉体。混合后的液体流入储液桶。
可以看出，该发明有以下不足：①粉体通过气力输入扩大混合室中与液体混合，大量空气也会进入扩大混合室中与液体混合，因而会在液体中产生大量气泡，后续必须进行气液分离；②气泡中含有粉尘，而气泡膜又将液体与气泡中的粉尘隔离，不利于粉液混合溶解；③粉液混合后的溶液中很可能含有尚未被完全溶解的小粉团，这些小粉团在储液桶中只能靠自然力溶解于溶液中，因而影响了粉液混合溶解的质量。
发明内容
本发明的目的是提供一种粉体液体混合机，该粉体液体混合机在粉液混合时不会产生大量气泡，故不需要进行气液分离。另外，粉液混合后的溶液中若含有尚未被完全溶解的小粉团，还能再次被混合，故粉液的混合质量较高。
本发明的粉体液体混合机的技术方案如下。
一种粉体液体混合机，包括：罐体、底座、圆锥管、溢流边、连板、搅拌器、电动机、传动轴和第一出料管；
所述罐体设有储存粉液混合后所得溶液的内腔，在罐体的底部设有适于将罐体支撑于地面上的所述底座；
所述圆锥管设于所述罐体的内腔中，圆锥管的小直径管口朝下而大直径管口朝上，圆锥管的大直径管口的管口边缘构成所述溢流边，溢流边与罐体的侧壁的内壁面在径向上保持距离，整个溢流边均处于同一个水平面内，所述连板分别与罐体的罐壁以及圆锥管连接，连板的数量为两个或两个以上，且绕圆锥管的轴线环形阵列分布；
所述搅拌器由轴套、上圆环板、下圆环板、长搅拌叶、短搅拌叶、上进口管和下进口管组成，所述轴套为圆筒形，轴套的内孔开有键槽，所述上圆环板及所述下圆环板均与轴套同轴线设置，在上圆环板与下圆环板之间设有所述长搅拌叶及所述短搅拌叶，长搅拌叶的数量为两个或两个以上，短搅拌叶的数量为两个或两个以上，每一个长搅拌叶及短搅拌叶都沿着上圆环板和下圆环板的径向布置，所有长搅拌叶及短搅拌叶均绕上圆环板和下圆环板的轴线 环形阵列分布，长搅拌叶及短搅拌叶分别与上圆环板的底面及下圆环板的顶面固连，长搅拌叶的一端沿轴套的径向凸出于上圆环板及下圆环板的内圆柱面且与轴套的外圆柱面固连，长搅拌叶的另一端沿轴套的径向凸出于上圆环板及下圆环板的外圆柱面，短搅拌叶的一端沿轴套的径向凸出于上圆环板及下圆环板的内圆柱面而另一端沿轴套的径向凸出于上圆环板及下圆环板的外圆柱面，所述上进口管置于上圆环板的顶面并与上圆环板同轴线固连，上进口管的管孔与上圆环板的通孔相连通，所述下进口管置于下圆环板的底面并与下圆环板同轴线固连，下进口管的管孔与下圆环板的通孔相连通；
所述电动机固定于所述罐体上，电动机的转轴沿所述罐体的高度方向布置并与沿罐体的高度方向布置的所述传动轴的上端连接，传动轴的下端穿过所述圆锥管并从圆锥管的小直径管口伸出，所述搅拌器安装于传动轴的下端，搅拌器的上进口管的上管口与所述圆锥管的小直径管口相对并使上进口管的上管口与圆锥管的小直径管口之间保持间隙；
所述第一出料管连接于所述罐体的底部，并与罐体的内腔的底面的最低处连通。
进一步的，所述粉体液体混合机还设有粉料管，所述粉料管设于所述电动机的旁侧且位于圆锥管的上方，粉料管固定于所述罐体上。
进一步的，所述粉体液体混合机还设有进液管，所述进液管从所述罐体的罐壁外侧穿过罐壁而伸入罐体内腔并固定于罐体的罐壁上，伸入罐体内腔的进液管的管口位于所述圆锥管的内壁面的上方。
进一步的，所述罐体内腔的壁面上设有扰流板，所述扰流板为带状的薄板，带状的扰流板的一边沿罐体的高度方向与罐体的罐壁连接。
进一步的，所述粉体液体混合机还包括固定于所述罐体的罐壁上的第二出料管，所述第二出料管穿过罐体的中下部的罐壁而伸入罐体的内腔中，并使第二出料管位于罐体内腔中的管口与罐体的罐壁及罐体的中心保持较大的距离。
进一步的，所述粉体液体混合机还设有导液管和筋板，所述导液管沿罐体的高度方向设置于所述搅拌器的下方，并使导液管的上管口与搅拌器的下进口管的下管口相对，导液管的上管口与下进口管的下管口之间保持间隙，导液管的下管口接近于所述罐体内腔的底面，所述筋板分别与导液管以及罐体连接，筋板的数量为两个或两个以上，且围绕着导液管的外柱面的周向阵列分布。
进一步的，所述粉体液体混合机还设有粉体匀撒装置，粉体匀撒装置包括转筒和刷筒，所述转筒转动支承于所述罐体上并位于所述粉料管的管口的下方，粉料管的管口的形状为矩形且粉料管的管口与转筒的外圆柱面之间保持间隙，所述刷筒转动支承于所述罐体上且位于转筒的旁侧，刷筒的轴线与转筒的轴线平行，刷筒上镶嵌有大量刷毛，镶嵌在刷筒上的刷毛的毛尖端与转筒的圆柱面接触。
进一步的，所述圆锥管还设有适于溶液流趟的导液槽，所述导液槽的横截面的形状呈U形，导液槽从圆锥管的内侧向外贯穿圆锥管的管壁，使导液槽的一端口位于圆锥管的外侧而另一端口位于圆锥管的内侧并靠近所述传动轴，导液槽的靠近传动轴的端口与传动轴的圆柱面之间保持间隙，导液槽的近传动轴端的高度比远传动轴端的高度略低。
本发明所述的粉体液体混合机有以下优点：
①在粉液混合过程中不会产生大量气泡，不需要进行消泡处理，也不需要进行气液分离。这对预防溶液氧化、控制溶液中的含气量是非常有益的；
②粉液混合后的溶液中若含有尚未被完全溶解的小粉团，还能再次被吸入搅拌器7搅拌混合，故粉液的混合质量较高；
③既可进行非连续性生产，也可进行连续性生产。
附图说明
下面对本说明书各附图所表达的内容及附图中的标记作简要说明：
图1是本发明的实施例1的主视图，图中的带箭头短线表示溶液在罐体的内腔中循环流动的方向；
图2是图1的俯视图，示出了圆锥管、连板、扰流板的结构，还示出了连板在水平面上的设置方向，在水平面上连板相对于罐体的径向有适宜的倾斜角度，为简明表达，图中没有画出电动机、传动轴、搅拌器；
图3是本发明的搅拌器的半剖视图，示出了搅拌器的结构；
图4是图3的俯视图，示出了搅拌器的结构；
图5是本发明的实施例2的主视图，示出了本发明在图1所示结构的基础上，增加了粉体匀撒装置、导液管以及筋板，还示出了圆锥管上增设导液槽的结构，图中的带箭头短线表示溶液在罐体的内腔中循环流动的方向；
图6是图5的俯视图，示出了粉体匀撒装置及导液槽的结构，为简明表达，图中没有画出电动机、搅拌器；
图7是图5的A-A剖视图，示出了导液管及筋板的结构，还示出了筋板在水平面上的设置方向，在水平面上筋板相对于导液管的径向有适宜的倾斜角度；
图8示出了粉体匀撒装置的结构。
附图中的标记为：罐体1、底座2、圆锥管3、溢流边4、导液槽5、连板6、搅拌器7、轴套8、上圆环板9、下圆环板10、长搅拌叶11、短搅拌叶12、上进口管13、下进口管14、电动机15、传动轴16、螺母17、粉料管18、进液管19、第一出料管20、第二出料管21、扰流板22、导液管23、筋板24、转筒25、刷筒26、刷毛27。
具体实施方式
为使本发明实施方式的目的、技术方案和优点更加清楚，下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式是本发明一部分实施方式，而不是全部的实施方式。因此，以下对在附图中提供的本发明的实施方式的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施方式。基于本发明中的实施方式，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施方式，都属于本发明保护的范围。
实施例1：
请参阅图1、图2，本实施例所述的粉体液体混合机包括罐体1、底座2、圆锥管3、溢流边4、连板6、搅拌器7、电动机15、传动轴16、螺母17和第一出料管20。
请参阅图1，所述罐体1是所述粉体液体混合机的主体，罐体1设有储存粉液混合后所得溶液的内腔，内腔的底面为中心部最低的弧面形底，本实施例的罐体1的侧壁为圆形(但不限于圆形，椭圆形、多边形也可)，罐体1的内腔的底面为半椭球面形，罐体1的底部设有所述底座2，底座2适于将罐体1支撑于地面上。
请参阅图1、图2，所述圆锥管3设于所述罐体1的内腔中，圆锥管3的小直径管口朝下而大直径管口朝上，本实施例的圆锥管3的轴线沿罐体1的高度方向设置，但不限于完全沿罐体1的高度方向设置。圆锥管3具有较大的锥角且其大直径管口的直径较大，所述溢流边4设于圆锥管3的大直径管口，溢流边4呈环形，本实施例的溢流边4就是由圆锥管3的大直径管口的管口边缘构成，溢流边4与罐体1的侧壁的内壁面在径向(即圆锥管3的大直径管口的径向)上保持适宜的距离，整个溢流边4均处于同一个水平面内，或者说溢流边4的各处均位于同一个水平面内，即溢流边4的各处的高度均相等。请参阅图2，所述连板6分别与所述罐体1的侧壁以及所述圆锥管3的内壁面连接，从而将圆锥管3固定于罐体1的内腔中，连板6的数量为两个或两个以上且绕圆锥管3的轴线环形阵列分布，每一个连板6均立置且连板6相对于罐体1的径向有适宜的倾斜，即每一个连板6均垂直设置且连板6与罐体1的径向有适宜的倾斜角度，此角度的度数大于0°度小于90°。
请参阅图1、图3、图4，所述搅拌器7由轴套8、上圆环板9、下圆环板10、长搅拌叶11、短搅拌叶12、上进口管13和下进口管14组成，所述轴套8为圆筒形，轴套8的内孔开有键槽，所述上圆环板9及所述下圆环板10均与轴套8同轴线设置，在上圆环板9与下圆环板10之间设有所述长搅拌叶11及所述短搅拌叶12，长搅拌叶11及短搅拌叶12的形状均为矩形的薄片，长搅拌叶11的数量为两个或两个以上，短搅拌叶12的数量为两个或两个以上，每一个长搅拌叶11及短搅拌叶12都沿着上圆环板9和下圆环板10的径向布置，所有长搅拌叶11及短搅拌叶12均绕上圆环板9和下圆环板10的轴线环形阵列分布且长搅拌叶11与短搅拌叶12交替配置，长搅拌叶11及短搅拌叶12分别与上圆环板9的底面及下圆环板10的顶面垂直固连，长搅拌叶11的一端沿轴套8的径向凸出于上圆环板9及下圆环板10的内圆柱面且与轴套8的外圆柱面固连，长搅拌叶11的另一端沿轴套8的径向凸出于上圆环板9及下圆环板10的外圆柱面，短搅拌叶12的一端沿轴套8的径向凸出于上圆环板9及下圆环板10的内圆柱面而另一端沿轴套8的径向凸出于上圆环板9及下圆环板10的外圆柱面，所述上进口管13置于上圆环板9的顶面并与上圆环板9同轴线固连，上进口管13的管孔与上圆环板9的通孔(即上圆环板9的内圆柱面所围成的孔)相连通，所述下进口管14置于下圆环板10的底面并与下圆环板10同轴线固连，下进口管14的管孔与下圆环板10的通孔(即下圆环板10的内圆柱面所围成的孔)相连通。
请参阅图1、图3，所述电动机15固定于所述罐体1上，电动机15的转轴沿所述罐体1的高度方向布置并与沿罐体1的高度方向布置的所述传动轴16的上端连接，传动轴16的下端穿过所述圆锥管3并从圆锥管3的小直径管口伸出，所述搅拌器7安装于传动轴16的下端并使用所述螺母17紧固，搅拌器7的上进口管13的上管口与所述圆锥管3的小直径管口相对(换句话说,搅拌器7的上进口管13的轴线对准所述圆锥管3的小直径管口的中心),并使上进口管13的上管口与圆锥管3的小直径管口之间保持适宜的间隙，电动机15通过传动轴16带动搅拌器7旋转。
请参阅图1、图2，所述第一出料管20连接于所述罐体1的底部，并与罐体1的内腔的底面的最低处连通。
实施例1的优化，请参阅图1，本实施例所述的粉体液体混合机还包括粉料管18，所述粉料管18设于所述电动机15的旁侧且位于圆锥管3的上方，粉料管18固定于所述罐体1上。
实施例1的优化，请参阅图1、图2，本实施例所述的粉体液体混合机还包括进液管19，所述进液管19从所述罐体1的罐壁外侧穿过罐壁而伸入罐体1内腔并固定于罐体1的罐壁上，伸入罐体1内腔的进液管19的管口位于所述圆锥管3的内壁面的上方。
实施例1的优化，请参阅图1、图2，所述罐体1内腔的壁面上设有扰流板22，所述扰流板22为带状的薄板，带状的扰流板22的一边沿罐体1的高度方向与罐体1的罐壁连接。
实施例1的进一步优化，请参阅图1、图2，本实施例所述的粉体液体混合机还包括固定于所述罐体1的罐壁上的第二出料管21。所述第二出料管21穿过罐体1的中下部的罐壁而伸入罐体1的内腔中，并使第二出料管21位于罐体1内腔中的管口与罐体1的罐壁及罐体1的中心保持较大的距离。
本实施例的工作原理：请参阅图1、图2，本实施例所述的粉体液体混合机刚开始工作时，首先通过所述进液管19往所述圆锥管3的内壁面上喷液体，使圆锥管3的内壁面上形成流动的液膜，圆锥管3内壁面上的液体流入所述罐体1的内腔，罐体1内腔中的液体的液位逐渐升高。当罐体1内腔中的液体完全淹没所述搅拌器7后，启动所述电动机15让搅拌器7旋转，再通过所述粉料管18往圆锥管3的内壁面上撒粉体，因为圆锥管3的内壁面上有液膜，所以粉体撒在液膜上，并随液膜流至圆锥管3的小直径管口，再流入搅拌器7的上进口管13，粉体和液体被搅拌器7剧烈搅拌而混合成溶液并沿搅拌器7的径向从所述上圆环板9和下圆环板10之间甩出，甩出的溶液在罐体1的内腔中旋转，其旋转方向与搅拌器7的旋转方向一致。当罐体1内腔中的溶液的液位超过圆锥管3的溢流边4时，圆锥管3外侧的溶液从各个方向 越过环形的溢流边4进入圆锥管3的内侧并会在圆锥管3的内壁面上形成漩涡(漩涡的旋转方向与搅拌器7的旋转方向一致)，然后涌向圆锥管3的小直径管口并被吸入搅拌器7。此时，可以加大往圆锥管3的内壁面上撒粉体的量，减少甚至停止进液管19往圆锥管3的内壁面上喷液体，直至溶液的粉、液配比达标。混合过的溶液中可能含有尚未混合均匀的小粉团，含气量多的小粉团比重轻，漂浮在液面上，很容易越过溢流边4并通过圆锥管3的小直径管口进入搅拌器7，再次被搅拌器7搅拌，将比重轻的小粉团搅碎混合。含气量少的小粉团比重大，沉淀在罐体1内腔底的中心部位，能被搅拌器7的下进口管14吸进去，再次被搅拌器7搅拌，将比重大的小粉团搅碎混合。混合均匀后的溶液从第一出料管20或第二出料管21排出罐体1的内腔。
搅拌器7的工作原理及有益效果：请参阅图3、图4，高速旋转的搅拌器7使搅拌器7内的溶液产生离心力，离心力使溶液沿搅拌器7的径向从上圆环板9和下圆环板10之间甩出，同时，含有小粉团的溶液被上进口管13及下进口管14吸入搅拌器7。短搅拌叶12的凸出于上圆环板9及下圆环板10的内圆柱面的凸出部的作用是使吸入搅拌器7的溶液产生剧烈的涡流，长搅拌叶11的凸出于上圆环板9及下圆环板10的内圆柱面的凸出部的作用也是使吸入搅拌器7的溶液产生剧烈的涡流，剧烈的涡流有助于将小粉团打碎，提高粉液混合的效率。另外，长搅拌叶11的凸出于上圆环板9及下圆环板10的内圆柱面的凸出部还起到与轴套8固连的作用。长搅拌叶11及短搅拌叶12的凸出于上圆环板9及下圆环板10的外圆柱面的凸出部的作用是使沿径向甩出搅拌器7的溶液产生剧烈的涡流并推动罐体1内腔中的溶液旋转，剧烈的涡流将甩出搅拌器7的尚存的小粉团再次打碎，进一步提高粉液混合的效率。
圆锥管3以及溢流边4的作用及有益效果：请参阅图1、图2，圆锥管3设于罐体1的内腔中且溢流边4与罐体1侧壁的内壁面在径向上保持适宜的距离。当罐体1内腔中的溶液的液位超过圆锥管3的溢流边4时，圆锥管3外侧的溶液从各个方向越过环形的溢流边4进入圆锥管3的内侧并会在圆锥管3的内壁面上形成漩涡，从粉料管18往圆锥管3的内壁面撒下的粉体就撒在了漩涡中，然后溶液带着粉体涌向圆锥管3的小直径管口并吸入搅拌器7而被搅拌。粉体撒在漩涡中有助于粉液混合。
连板6的作用及有益效果：请参阅图1、图2，连板6分别与罐体1的侧壁以及圆锥管3的内壁面连接，从而将圆锥管3固定于罐体1的内腔中。另外，固定圆锥管3的连板6立置且连板6相对于罐体1的径向有适宜的倾斜，连板6最佳的倾斜方向是与漩涡的旋向同方向，这样，有助于溶液在圆锥管3的内壁面上形成湍急的漩涡，溶液在圆锥管3的内壁面上形成的漩涡越湍急，越有利于粉液混合。
设置扰流板22的作用及有益效果：请参阅图1、图2，在罐体1内腔的壁面上设置扰流板22，使在罐体1的内腔中旋转的溶液碰到扰流板22而产生涡流，涡流有助于粉液进一步混合。
“第二出料管21位于罐体1内腔中的管口与罐体1的罐壁及罐体1的中心保持较大的距离”的目的及有益效果：溶液在罐体1的内腔中旋转，在离心力的作用下，溶液中比重大的小粉团会向罐体1的侧壁移动而比重小的小粉团会向罐体1的中心移动。在远离罐体1的侧壁及罐体1的中心的区域，溶液中小粉团的含量比罐体1的侧壁附近及罐体1的中心附近的小粉团的含量少。第二出料管21位于罐体1内腔中的管口与罐体1的罐壁及罐体1的中心保持较大的距离，是为了让该管口位于远离罐体1的侧壁及罐体1的中心的区域，这样既避开罐体1的侧壁附近的小粉团也避开罐体1的中心附近的小粉团，有助于减少从第二出料管21排出的溶液中的小粉团的含量。
本实施例所述的粉体液体混合机有以下优点。
本实施例所述的粉体液体混合机在粉液混合过程中没有往液体中鼓气，也没有进行气体和液体混合，故不会产生大量气泡，不需要进行消泡处理，也不需要进行气液分离。这对预防溶液氧化、控制溶液中的含气量是非常有益的。另外，粉液混合后的溶液中若含有尚未被 完全溶解的小粉团，还能再次被吸入搅拌器7搅拌混合，故粉液的混合质量较高。
本实施例所述的粉体液体混合机既可进行非连续性生产(即一罐一罐地生产)，也可进行连续性生产。进行非连续性生产时，关闭第一出料管20以及第二出料管21，当一罐溶液按上述过程混合并达到所要求的配比及均匀度后，打开第一出料管20排净罐体1内的所有溶液，然后再进行下一罐生产。采用非连续性生产，可使粉液的混合达到很高的均匀度，溶液内含有小粉团的概率极低，但生产效率略低。
本实施例进行连续性生产时必须关闭第一出料管20。当罐体1内腔中的溶液的液位超过圆锥管3的溢流边4且溶液的粉、液配比达标时，使粉料管18与进液管19分别按溶液的粉、液配比加粉、加液，同时打开第二出料管21，本实施例就可以实现连续生产，混合均匀后的溶液从设在罐体1中下部的第二出料管21排出。使用第二出料管21而不用第一出料管20排溶液的目的是防止沉淀在罐体1内腔的底面处的小粉团随溶液排出。采用连续性生产，可获得较高的生产效率，但排出的溶液内含有小粉团的概率比采用非连续性生产略高。
实施例2：
请参阅图5、图7，在实施例1的基础上，本发明所述的粉体液体混合机可增加导液管23和筋板24，所述导液管23沿罐体1的高度方向设置于所述搅拌器7的下方，并使导液管23的上管口与搅拌器7的下进口管14的下管口相对(换句话说，使搅拌器7的下进口管14的轴线对准导液管23的上管口的中心)，导液管23的上管口与下进口管14的下管口之间保持适宜的间隙，导液管23的下管口接近于所述罐体1内腔的底面的中心。此处要说明，导液管23最佳的实施方案是圆形管，但不限于圆形管，椭圆形、矩形管都可以。所述筋板24分别与导液管23以及罐体1内腔的底面连接，从而将导液管23固定于罐体1的内腔中，筋板24的数量为两个或两个以上且围绕着导液管23的外柱面的周向阵列分布。此处要说明，导液管23若使用圆形管，筋板24围绕着导液管23的外圆柱面的周向阵列分布，换句话说，筋板24绕导液管23的轴线在导液管23的外圆柱面上环形阵列分布。请参阅图7，每一个筋板24均立置且筋板24相对于导液管23的径向有适宜的倾斜，即每一个筋板24均垂直设置且筋板24与导液管23的径向有适宜的倾斜角度，此角度的度数大于0°度小于90°。
导液管23的作用及有益效果：比重大的小粉团沉淀在罐体1的内腔的底部，导液管23的作用是让罐体1的内腔底部的小粉团通过导液管23被搅拌器7的下进口管14吸进去(请参阅图5)，可大幅度提高搅拌器7吸取罐体1的内腔底部的小粉团的效率，从而进一步提高搅拌器7的搅拌效率。
筋板24的作用及有益效果：筋板24分别与导液管23以及罐体1内腔的底面连接，从而将导液管23固定于罐体1的内腔中。另外，筋板24立置且筋板24相对于导液管23的径向有适宜的倾斜，其作用是对溶液进行导流，使罐体1的内腔底部的小粉团向导液管23的下管口聚集。
请参阅图5、图6、图8，在实施例1的基础上，本发明所述的粉体液体混合机可增设粉体匀撒装置。粉体匀撒装置包括转筒25和刷筒26，所述转筒25转动支承于所述罐体1上并位于所述粉料管18的管口的下方，请参阅图6、图8，粉料管18的管口的形状为矩形并与转筒25的外圆柱面相适配，转筒25的外圆柱面与粉料管18的管口之间保持适宜的间隙。所述刷筒26转动支承于所述罐体1上且位于转筒25的旁侧，刷筒26的轴线与转筒25的轴线平行，刷筒26上镶嵌有大量刷毛27，刷筒26的由大量刷毛27的毛尖端所形成的圆柱面与转筒25的圆柱面转动接触，换句话说，镶嵌在刷筒26上的刷毛27的毛尖端与转筒25的圆柱面接触。
粉体匀撒装置的工作原理及有益效果：请参阅图5、图6、图8，粉体匀撒装置的转筒25不转，所述粉料管18的管口则被转筒25的圆柱面遮挡，粉料管18排不出粉体。转筒25顺时针旋转，粉料管18的管口处的粉体依靠摩擦力被转筒25的圆柱面带出，一层薄薄的粉体分布在转筒25的圆柱面上并随转筒25的圆柱面转到与所述刷筒26接触的位置，刷筒26逆 时针旋转且所述刷毛27的毛尖端的线速度大于转筒25的圆柱面的线速度，附在转筒25的圆柱面上的粉体被刷筒26上的刷毛27打散并落下，粉体分散落入所述圆锥管3内壁面上的溶液漩涡中。因为粉体是分散落入溶液漩涡中的，所以粉液的混合效果更好。通过控制转筒25转与不转，可以控制粉料管18出粉与不出粉，故粉体匀撒装置还起到粉料管18的阀门的作用。通过控制转筒25转速的快慢，可以控制粉料管18出粉的快慢，故粉体匀撒装置还能起控制粉料管18出粉的流量的作用。
请参阅图5、图6，在实施例1的基础上，所述圆锥管3可增设适于溶液流趟的导液槽5。所述导液槽5的横截面的形状呈U形，导液槽5从圆锥管3的内侧向外贯穿圆锥管3的管壁，使导液槽5的一端口位于圆锥管3的外侧而另一端口位于圆锥管3的内侧并靠近所述传动轴16，导液槽5的靠近传动轴16的端口的形状与传动轴16的圆柱面相适配且该端口与传动轴16的圆柱面之间保持适宜的间隙，导液槽5的近传动轴16端的高度比远传动轴16端的高度略低。
导液槽5的工作原理及有益效果：圆锥管3外侧的溶液可经过导液槽5的位于圆锥管3外侧的端口流入导液槽5，再通过导液槽5流向传动轴16，最后淋在传动轴16上并顺着传动轴16的圆柱面向下流淌，向下流淌的溶液可以冲刷掉粘在传动轴16上的粉体。因为传动轴16是旋转的，所以淋在传动轴16上的溶液会在传动轴16的圆柱面上形成液膜，液膜将传动轴16的圆柱面包围起来，防止粉体粘结在传动轴16上。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。
在本发明的描述中，需要理解的是，指示方位或位置关系的术语为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“直立”、“立置”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该发明产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
此外，术语“水平”、“竖直”、“直立”、“立置”、“悬垂”等术语并不表示要求部件绝对水平或悬垂，而是可以稍微倾斜。如“水平”仅仅是指其方向相对“竖直”而言更加水平，并不是表示该结构一定要完全水平，而是可以稍微倾斜。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之上或之下可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征之上、上方和上面包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征之下、下方和下面包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。

Claims (8)

  1. 一种粉体液体混合机，其特征在于，包括：罐体(1)、底座(2)、圆锥管(3)、溢流边(4)、连板(6)、搅拌器(7)、电动机(15)、传动轴(16)和第一出料管(20)；
    所述罐体(1)设有储存粉液混合后所得溶液的内腔，在罐体(1)的底部设有适于将罐体(1)支撑于地面上的所述底座(2)；
    所述圆锥管(3)设于所述罐体(1)的内腔中，圆锥管(3)的小直径管口朝下而大直径管口朝上，圆锥管(3)的大直径管口的管口边缘构成所述溢流边(4)，溢流边(4)与罐体(1)的侧壁的内壁面在径向上保持距离，整个溢流边(4)均处于同一个水平面内，所述连板(6)分别与罐体(1)的罐壁以及圆锥管(3)连接，连板(6)的数量为两个或两个以上，且绕圆锥管(3)的轴线环形阵列分布；
    所述搅拌器(7)由轴套(8)、上圆环板(9)、下圆环板(10)、长搅拌叶(11)、短搅拌叶(12)、上进口管(13)和下进口管(14)组成，所述轴套(8)为圆筒形，轴套(8)的内孔开有键槽，所述上圆环板(9)及所述下圆环板(10)均与轴套(8)同轴线设置，在上圆环板(9)与下圆环板(10)之间设有所述长搅拌叶(11)及所述短搅拌叶(12)，长搅拌叶(11)的数量为两个或两个以上，短搅拌叶(12)的数量为两个或两个以上，每一个长搅拌叶(11)及短搅拌叶(12)都沿着上圆环板(9)和下圆环板(10)的径向布置，所有长搅拌叶(11)及短搅拌叶(12)均绕上圆环板(9)和下圆环板(10)的轴线环形阵列分布，长搅拌叶(11)及短搅拌叶(12)分别与上圆环板(9)的底面及下圆环板(10)的顶面固连，长搅拌叶(11)的一端沿轴套(8)的径向凸出于上圆环板(9)及下圆环板(10)的内圆柱面且与轴套(8)的外圆柱面固连，长搅拌叶(11)的另一端沿轴套(8)的径向凸出于上圆环板(9)及下圆环板(10)的外圆柱面，短搅拌叶(12)的一端沿轴套(8)的径向凸出于上圆环板(9)及下圆环板(10)的内圆柱面而另一端沿轴套(8)的径向凸出于上圆环板(9)及下圆环板(10)的外圆柱面，所述上进口管(13)置于上圆环板(9)的顶面并与上圆环板(9)同轴线固连，上进口管(13)的管孔与上圆环板(9)的通孔相连通，所述下进口管(14)置于下圆环板(10)的底面并与下圆环板(10)同轴线固连，下进口管(14)的管孔与下圆环板(10)的通孔相连通；
    所述电动机(15)固定于所述罐体(1)上，电动机(15)的转轴沿所述罐体(1)的高度方向布置并与沿罐体(1)的高度方向布置的所述传动轴(16)的上端连接，传动轴(16)的下端穿过所述圆锥管(3)并从圆锥管(3)的小直径管口伸出，所述搅拌器(7)安装于传动轴(16)的下端，搅拌器(7)的上进口管(13)的上管口与所述圆锥管(3)的小直径管口相对并使上进口管(13)的上管口与圆锥管(3)的小直径管口之间保持间隙；
    所述第一出料管(20)连接于所述罐体(1)的底部，并与罐体(1)的内腔的底面的最低处连通。
  2. 根据权利要求1所述的粉体液体混合机，其特征在于，还设有粉料管(18)，所述粉料管(18)设于所述电动机(15)的旁侧且位于圆锥管(3)的上方，粉料管(18)固定于所述罐体(1)上。
  3. 根据权利要求1所述的粉体液体混合机，其特征在于，还设有进液管(19)，所述进液管(19)从所述罐体(1)的罐壁外侧穿过罐壁而伸入罐体(1)内腔并固定于罐体(1)的罐壁上，伸入罐体(1)内腔的进液管(19)的管口位于所述圆锥管(3)的内壁面的上方。
  4. 根据权利要求1所述的粉体液体混合机，其特征在于，所述罐体(1)内腔的壁面上设有扰流板(22)，所述扰流板(22)为带状的薄板，带状的扰流板(22)的一边沿罐体(1)的高度方向与罐体(1)的罐壁连接。
  5. 根据权利要求1所述的粉体液体混合机，其特征在于，还包括固定于所述罐体(1)的罐壁上的第二出料管(21)，所述第二出料管(21)穿过罐体(1)的中下部的罐壁而伸入罐体(1)的内腔中，并使第二出料管(21)位于罐体(1)内腔中的管口与罐体(1)的罐壁及罐体(1)的中心保持较大的距离。
  6. 根据权利要求1所述的粉体液体混合机，其特征在于，还设有导液管(23)和筋板(24)，所述导液管(23)沿罐体(1)的高度方向设置于所述搅拌器(7)的下方，并使导液管(23)的上管口与搅拌器(7)的下进口管(14)的下管口相对，导液管(23)的上管口与下进口管(14)的下管口之间保持间隙，导液管(23)的下管口接近于所述罐体(1)内腔的底面，所述筋板(24)分别与导液管(23)以及罐体(1)连接，筋板(24)的数量为两个或两个以上，且围绕着导液管(23)的外柱面的周向阵列分布。
  7. 根据权利要求2所述的粉体液体混合机，其特征在于，还设有粉体匀撒装置，粉体匀撒装置包括转筒(25)和刷筒(26)，所述转筒(25)转动支承于所述罐体(1)上并位于所述粉料管(18)的管口的下方，粉料管(18)的管口的形状为矩形且粉料管(18)的管口与转筒(25)的外圆柱面之间保持间隙，所述刷筒(26)转动支承于所述罐体(1)上且位于转筒(25)的旁侧，刷筒(26)的轴线与转筒(25)的轴线平行，刷筒(26)上镶嵌有大量刷毛(27)，镶嵌在刷筒(26)上的刷毛(27)的毛尖端与转筒(25)的圆柱面接触。
  8. 根据权利要求1所述的粉体液体混合机，其特征在于，所述圆锥管(3)还设有适于溶液流趟的导液槽(5)，所述导液槽(5)的横截面的形状呈U形，导液槽(5)从圆锥管(3)的内侧向外贯穿圆锥管(3)的管壁，使导液槽(5)的一端口位于圆锥管(3)的外侧而另一端口位于圆锥管(3)的内侧并靠近所述传动轴(16)，导液槽(5)的靠近传动轴(16)的端口与传动轴(16)的圆柱面之间保持间隙，导液槽(5)的近传动轴(16)端的高度比远传动轴(16)端的高度略低。
PCT/CN2019/070235 2018-10-23 2019-01-03 粉体液体混合机 WO2020082607A1 (zh)

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