CN219051173U - Powder-liquid feeding and mixing system - Google Patents

Powder-liquid feeding and mixing system Download PDF

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Publication number
CN219051173U
CN219051173U CN202222687641.1U CN202222687641U CN219051173U CN 219051173 U CN219051173 U CN 219051173U CN 202222687641 U CN202222687641 U CN 202222687641U CN 219051173 U CN219051173 U CN 219051173U
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powder
liquid
mixing
stirring
feeder
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CN202222687641.1U
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彭铭坚
杨亚萍
黎永刚
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Guangzhou Good Mechanical And Electrical Equipment Engineering Co ltd
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Guangzhou Good Mechanical And Electrical Equipment Engineering Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a powder-liquid feeding and mixing system which comprises a powder feeding device, a liquid feeding device, a mixing homogenizer, a stable stirrer and a slurry container. The powder feeding device, the liquid feeding device, the mixing homogenizer and the stable stirrer are fixed on the top surface of the slurry container, the powder feeding device is used for adding powder in the process into the system, metering and applying the powder so as to mix with liquid, the liquid feeding device is used for metering and applying the liquid, the mixing homogenizer is used for mixing and homogenizing the powder and the liquid, the stable stirrer is used for stirring finished slurry so as to prevent the powder from agglomerating and precipitating, and the slurry container is used for temporarily holding the finished slurry. The mixing uniformity is high, two stirring links are provided, the dual functions of stirring and homogenizing are provided, and the stirring and homogenizing effect and the production efficiency are improved; the device has the characteristics of simple structure and high reliability, and is low in maintenance cost and high in economic benefit.

Description

Powder-liquid feeding and mixing system
Technical Field
The utility model relates to the field of powder and liquid mixing and homogenizing, in particular to a powder-liquid feeding and mixing system.
Background
The powder-liquid mixing process is widely applied in various fields such as light industry, chemical industry and the like, and the mixing homogenizing process has high requirements on mixing uniformity so as not to influence the production process and the quality of the final product.
However, the powder-liquid mixing technology and the fluid mixing equipment in the prior art have a plurality of defects that firstly, the feeding mode of powder and liquid is unreasonable, the existing feeding mode of powder and liquid is to directly put the powder and liquid into a stirring container, the powder is easy to agglomerate, the powder is difficult to stir uniformly again, and the mixing quality of slurry is influenced from the source; and secondly, mixing uniformity is not up to standard and equipment is too complex, the quality of products can be affected due to the fact that the mixing uniformity is not up to standard, and initial cost and maintenance cost are too high due to the fact that the equipment is too complex. The equipment with good stirring effect has poor homogenization and low production efficiency with good homogenization effect. For example, the powder-liquid mixing process of talcum powder and water has higher requirements on stirring and homogenizing effects and production efficiency, and the stirring paddles of the process are turbine type, push type, frame type or twist paddles, and the average effect is poor although the stirring efficiency is higher; if special homogenizing equipment is used, although the homogenizing effect is improved, the production efficiency is reduced; if the traditional stirrer is combined with the homogenizing device, the equipment is too huge, the energy consumption of the equipment is increased, the reliability is poor, and the cost is quite high. Therefore, the performance of the stirring and mixing equipment in the prior art can not well meet the requirements of the production process, and the stirring and homogenizing effect and the production efficiency of the stirring and mixing equipment are required to be improved.
Disclosure of Invention
In order to solve the problems, the utility model provides a powder-liquid feeding and mixing system which can well solve the defects of the prior art such as unsatisfactory stirring and homogenizing effect and production efficiency, complex structure, high operation and maintenance cost and the like.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a powder-liquid feeding and mixing system comprises a powder feeding device, a liquid feeding device, a mixing homogenizer, a stable stirrer and a slurry container; the powder feeding device is used for feeding powder in the process into the system, metering and applying the powder so as to mix with liquid, the liquid feeding device is used for metering and applying the liquid, the mixing homogenizer is used for mixing and homogenizing the powder and the liquid, the stable stirrer is used for stirring finished slurry so as to prevent the powder from agglomerating and separating out, and the slurry container is used for temporarily holding the finished slurry;
the powder feeding device comprises a spiral feeder, a feeder speed reducer and a feeder motor, wherein the spiral feeder is connected with the feeder motor through the feeder speed reducer; the spiral feeder is provided with a powder inlet at one end and a powder outlet at the other end, wherein the powder inlet faces upwards, and the powder outlet faces downwards; a side plate is vertically arranged on one side of the powder outlet, and a baffle plate is obliquely arranged next to the side plate;
the liquid feeding device comprises a liquid inlet pipe, a flowmeter and a valve, wherein a liquid outlet is formed in one end, close to the spiral feeder, of the liquid inlet pipe, the liquid outlet is fixed on the side plate, and the liquid outlet faces the baffle plate; the flowmeter and the valve are arranged between the liquid inlet pipes and are connected with the liquid inlet pipes.
The mixing homogenizer comprises a centrifugal blade, a shearing cylinder, a homogenizing shaft and a mixing motor, wherein the centrifugal blade is sleeved on the homogenizing shaft, the centrifugal blade is connected with the mixing motor through the homogenizing shaft, the centrifugal blade is arranged in the shearing cylinder, and a plurality of rectangular holes which are internally and externally communicated are formed in the lower part of the shearing cylinder along the circumference of the cylinder wall and are used for overflowing a medium;
the stable stirrer comprises a stirring paddle, a stirring shaft and a stirring motor, wherein the stirring paddle is connected with the stirring motor through the stirring shaft, and the stirring paddle is sleeved on the stirring shaft;
the top of the slurry container is horizontally provided with a top surface, the middle of the slurry container is provided with a horizontal plate, and a vertical plate which is vertical to the top surface and the horizontal plate and is connected with the top surface and the horizontal plate is arranged in the slurry container; a sloping plate is obliquely arranged between the top surface and the horizontal plate; the top surface is provided with a powder falling port, and the powder falling port is opposite to the powder outlet.
As a further improvement of the utility model, the mixing motor and the stirring motor are provided with speed reducers.
As a further improvement of the utility model, the lower edge of the inclined plate is connected with the edge of the cylinder opening of the shearing cylinder, and the width of the upper edge of the inclined plate is slightly larger than the same-directional width of the powder falling opening.
As a further improvement of the present utility model, the shearing cylinder is suspended from the lower surface of the horizontal plate.
As a further development of the utility model, the horizontal plate is located above the highest level in the slurry vessel.
As a further improvement of the utility model, the centrifugal blade is located higher than the stirring blade.
As a further improvement of the present utility model, the axis of the screw feeder is arranged obliquely, and one end of the motor drive of the feeder is higher than the other end.
Compared with the prior art, the utility model has the beneficial effects that:
1. the degree of mixing uniformity is high: the two stirring links have double functions of stirring and homogenizing, and the stirring and homogenizing effect and the production efficiency are improved.
2. Simple structure, the reliability is high: the maintenance cost is low and the economic benefit is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:
fig. 1 is a front cross-sectional view of the present utility model.
Fig. 2 is a left side cross-sectional view of the present utility model.
In the figure: 1. powder feeding device 2, liquid feeding device 3, mixing homogenizer 4, stable stirrer 5, slurry container 11, screw feeder 12, feeder speed reducer 13, feeder motor 21, flowmeter 22, valve 23, liquid outlet 24, liquid inlet pipe 31, centrifugal blade 32, shearing cylinder 33, homogenizing shaft 34, mixing motor 41, stirring paddle 42, stirring shaft 43, stirring motor 51, sloping plate 52, powder falling port 53, vertical plate 54, horizontal plate 55, top surface 111, powder inlet 112, powder outlet 113, baffle plate 114 and side plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the mechanical connection can be welding, riveting, threaded connection or flange connection, etc.; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 2, the present utility model provides a powder-liquid feeding and mixing system comprising a powder feeding device 1, a liquid feeding device 2, a mixing homogenizer 3, a stabilizing mixer 4 and a slurry container 5. The powder feeding device 1, the liquid feeding device 2, the mixing homogenizer 3 and the stabilizing stirrer 4 are fixed on the top surface 55 of the slurry container 5, the powder feeding device 1 is used for adding powder in the process into the system, metering and applying the powder so as to mix with the liquid, the liquid feeding device 2 is used for metering and applying the liquid, the mixing homogenizer 3 is used for mixing and homogenizing the powder and the liquid, the stabilizing stirrer 4 is used for stirring the finished slurry so as to prevent the powder from agglomerating and precipitating, and the slurry container 5 is used for temporarily holding the finished slurry. The utility model is provided with two stirring links, the first is the mixing homogenizer 3, which plays roles of mixing, stirring and shearing homogenization, and the rotating speed is higher; the second path is a stable stirrer 4 which plays a role in stable stirring, the rotating speed is low, and the action range is the slurry in the whole slurry container 5.
The powder charging device 1 includes a screw feeder 11, a feeder speed reducer 12, and a feeder motor 13, and the screw feeder 11 and the feeder motor 13 are connected through the feeder speed reducer 12. The rotor of the screw feeder 11 consists of a rotating shaft and a screw, a small gap is kept between the outer edge of the screw and the shell of the screw feeder 11, powder advances under the pushing of a screw surface when the rotor rotates, the flow rate of the conveyed powder is related to the diameter and the rotating speed of the rotor, and the flow rate of the powder is in direct proportion to the sectional area and the rotating speed of the rotor; under the condition of a certain rotor diameter, the powder flow is in direct proportion to the rotating speed. Therefore, the powder flow rate can be determined by knowing the rotation speed. The screw feeder 11 has a powder inlet 111 at one end and a powder outlet 112 at the other end, the powder inlet 111 facing upward and the powder outlet 112 facing downward. The powder inlet 111 is connected to the raw material tube, and powder enters the screw feeder 11 from the raw material tube through the powder inlet 111. The axis of the screw feeder 11 is arranged obliquely, and one end driven by the feeder motor 13 is higher than the other end, so that powder can not fall freely under the action of gravity to cause inaccurate metering.
The slurry container 5 is horizontally provided with a top surface 55 at the top thereof, a horizontal plate 54 is provided in the middle of the slurry container 5, and a vertical plate 53 perpendicular to and connected with the top surface 55 and the horizontal plate 54 is provided in the slurry container 5. A sloping plate 51 is provided obliquely between the top surface 55 and the horizontal plate 54. The top surface 55 is provided with a powder falling port 52, and the powder falling port 52 is opposite to the powder outlet 112. The lower edge of the sloping plate 51 is connected with the edge of the nozzle of the shearing cylinder 32, and the width of the upper edge of the sloping plate 51 is slightly larger than the same-directional width of the powder falling opening 52.
A side plate 114 is vertically arranged on one side of the powder outlet 112, a baffle plate 113 is obliquely arranged next to the side plate 114, the baffle plate 113 divides the space at the powder outlet 112 into two parts, the part between the baffle plate 113 and the side plate 114 is a liquid channel, and the other part is a powder channel.
The liquid feeding device 2 comprises a liquid inlet pipe 24, a flowmeter 21 and a valve 22, wherein a liquid outlet 23 is formed in one end, close to the screw feeder 11, of the liquid inlet pipe 21, the liquid outlet 23 is fixed to the side plate 114, and the liquid outlet 23 faces the baffle plate 113. The flow meter 21 is used for metering the flow of liquid, and the valve 22 is used for regulating the flow of liquid.
The mixing homogenizer 3 comprises a centrifugal blade 31, a shearing cylinder 32, a homogenizing shaft 33 and a mixing motor 34, wherein the centrifugal blade 31 is sleeved on the homogenizing shaft 33, the centrifugal blade 31 is connected with the mixing motor 34 through the homogenizing shaft 33, and the centrifugal blade 31 is arranged in the shearing cylinder 32 and mutually matched with each other to realize stirring and homogenizing functions. The lower part of the shearing cylinder 32 is provided with a plurality of rectangular holes which are internally and externally communicated along the circumference of the cylinder wall and are used for overflowing the paddle liquid. The shearing cylinder 32 is suspended from the lower surface of the horizontal plate 54, and the horizontal plate 54 is positioned above the highest liquid level in the slurry container 5, so that the slurry container 5 does not affect the mixing, stirring and homogenization of the powder and the liquid in the mixing homogenizer 3.
The centrifugal blade 31 is swept back, and the number of blades of the centrifugal blade 31 is 2 or more. The centrifugal blade 31 is slightly turned back from top to bottom so that the centrifugal blade 31 generates an upward thrust when rotating, and rises upwards from a place with a large radius of the centrifugal blade 31 and finally falls down from a place with a small radius to form a three-dimensional vortex, thereby enhancing the stirring and mixing effects. The shearing effect between the shearing cylinder 32 and the centrifugal blade 31 depends on the clearance between the inner bore of the shearing cylinder 32 and the outer circumference of the centrifugal blade 31, the smaller the clearance the better the shearing effect.
The stabilizing stirrer 4 comprises a stirring paddle 41, a stirring shaft 42 and a stirring motor 43, wherein the stirring paddle 41 is connected with the stirring motor 43 through the stirring shaft 42, and the stirring shaft 42 is sleeved with the stirring paddle 41. The rotation speed of the stirring paddle 41 is low, and the action range is the slurry in the whole slurry container 5. The centrifugal blade 31 is positioned higher than the stirring paddle 41 to ensure that the two-stage stirring is performed in the process flow.
Both the hybrid motor 34 and the agitator motor 43 are provided with a speed reducer, which can reduce the rotational speed and thereby increase the torque of the rotor.
The working principle of the embodiment is as follows: powder stored in the external raw material barrel falls into the powder feeding device 1 through the powder inlet 111, and is vertically dropped onto the inclined plate 51 from the powder outlet 112 under the spiral pushing of the inclined upward direction, and the powder is uniformly distributed on the inclined plate 51. The powder flow rate of the conveying is related to the diameter and the rotating speed of the rotor, the powder flow rate is in direct proportion to the sectional area and the rotating speed of the spiral rotor, and under the condition that the diameter of the rotor is fixed, the powder flow rate is in direct proportion to the rotating speed, so that the powder flow rate can be determined by knowing the rotating speed. The liquid flows into the powder liquid feeding and mixing system from the liquid inlet pipe 24, the flowmeter 21 arranged in the liquid inlet pipe 24 is used for metering the liquid, and the valve 22 can be used for adjusting the flow. After flowing out from the liquid outlet 23, the liquid is deflected by the baffle plate 113 and falls vertically on the inclined plate 51, and at the same time, the liquid is uniformly distributed on the inclined plate 51 and uniformly flows down along the inclined plate 51. The liquid flowing downward at this time just washes away the powder distributed on the inclined plate 51 and is primarily mixed with the powder. The liquid-powder mixture flows down along the inclined surface 51 until it falls into the shearing cylinder 32, and the powder-liquid mixture becomes homogeneous slurry under the stirring, dispersing and homogenizing action of the centrifugal blade 31, and finally the slurry flows out from the rectangular hole in the lower portion of the shearing cylinder 32 into the slurry container 5. In the slurry container 5, the rotation speed of the stirring paddle of the stabilizing stirrer 4 is low, and the action range is the slurry in the whole slurry container 5, so as to stabilize the slurry and keep the slurry uniform, thereby preventing the powder from being dehydrated, agglomerated and separated out.
Compared with the prior art, the utility model has the following advantages:
the mixing uniformity is high, and the two stirring links have double functions of stirring and homogenizing, so that the stirring and homogenizing effect and the production efficiency are improved; simple structure, high reliability, low maintenance cost and high economic benefit.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a powder liquid is reinforced and mixing system which characterized in that: comprises a powder feeding device, a liquid feeding device, a mixing homogenizer, a stable stirrer and a slurry container; the powder feeding device is used for feeding powder in the process into the system, metering and applying the powder so as to mix with liquid, the liquid feeding device is used for metering and applying the liquid, the mixing homogenizer is used for mixing and homogenizing the powder and the liquid, the stable stirrer is used for stirring finished slurry so as to prevent the powder from agglomerating and separating out, and the slurry container is used for temporarily holding the finished slurry;
the powder feeding device comprises a spiral feeder, a feeder speed reducer and a feeder motor, wherein the spiral feeder is connected with the feeder motor through the feeder speed reducer; the spiral feeder is provided with a powder inlet at one end and a powder outlet at the other end, wherein the powder inlet faces upwards, and the powder outlet faces downwards; a side plate is vertically arranged on one side of the powder outlet, and a baffle plate is obliquely arranged next to the side plate;
the liquid feeding device comprises a liquid inlet pipe, a flowmeter and a valve, wherein a liquid outlet is formed in one end, close to the spiral feeder, of the liquid inlet pipe, the liquid outlet is fixed on the side plate, and the liquid outlet faces the baffle plate; the flowmeter and the valve are arranged between the liquid inlet pipes and are connected with the liquid inlet pipes;
the mixing homogenizer comprises a centrifugal blade, a shearing cylinder, a homogenizing shaft and a mixing motor, wherein the centrifugal blade is sleeved on the homogenizing shaft, the centrifugal blade is connected with the mixing motor through the homogenizing shaft, the centrifugal blade is arranged in the shearing cylinder, and a plurality of rectangular holes which are internally and externally communicated are formed in the lower part of the shearing cylinder along the circumference of the cylinder wall and are used for overflowing a medium;
the stable stirrer comprises a stirring paddle, a stirring shaft and a stirring motor, wherein the stirring paddle is connected with the stirring motor through the stirring shaft, and the stirring paddle is sleeved on the stirring shaft;
the top of the slurry container is horizontally provided with a top surface, the middle of the slurry container is provided with a horizontal plate, and a vertical plate which is vertical to the top surface and the horizontal plate and is connected with the top surface and the horizontal plate is arranged in the slurry container; a sloping plate is obliquely arranged between the top surface and the horizontal plate; the top surface is provided with a powder falling port, and the powder falling port is opposite to the powder outlet.
2. The powder-liquid feeding and mixing system according to claim 1, wherein: the mixing motor and the stirring motor are provided with speed reducers.
3. The powder-liquid feeding and mixing system according to claim 1, wherein: the lower edge of the inclined plate is connected with the edge of the cylinder opening of the shearing cylinder, and the width of the upper edge of the inclined plate is larger than the same-direction width of the powder falling opening.
4. The powder-liquid feeding and mixing system according to claim 1, wherein: the shearing cylinder is suspended on the lower surface of the horizontal plate.
5. The powder-liquid feeding and mixing system according to claim 1, wherein: the horizontal plate is located above the highest level in the slurry vessel.
6. The powder-liquid feeding and mixing system according to claim 1, wherein: the position of the centrifugal blade is higher than the position of the stirring blade.
7. The powder-liquid feeding and mixing system according to claim 1, wherein: the axis of the screw feeder is arranged in an inclined way, and one end of the motor drive of the feeder is higher than the other end of the motor drive of the feeder.
CN202222687641.1U 2022-10-12 2022-10-12 Powder-liquid feeding and mixing system Active CN219051173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222687641.1U CN219051173U (en) 2022-10-12 2022-10-12 Powder-liquid feeding and mixing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222687641.1U CN219051173U (en) 2022-10-12 2022-10-12 Powder-liquid feeding and mixing system

Publications (1)

Publication Number Publication Date
CN219051173U true CN219051173U (en) 2023-05-23

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ID=86347553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222687641.1U Active CN219051173U (en) 2022-10-12 2022-10-12 Powder-liquid feeding and mixing system

Country Status (1)

Country Link
CN (1) CN219051173U (en)

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