CN220143154U - Powder-liquid mixing equipment and pulping system - Google Patents

Abstract

The utility model provides powder-liquid mixing equipment and a pulping system, wherein the powder-liquid mixing equipment comprises a machine body, a mixing cavity is arranged in the machine body, a blanking channel extending along the vertical direction is arranged in the machine body, one end of the blanking channel is communicated with the mixing cavity, and a liquid inlet communicated with the blanking channel is arranged on the side wall of the machine body; the flow guide piece is arranged in the blanking channel and is positioned between the liquid inlet and the mixing cavity, a part of the flow guide piece, which is close to the liquid inlet, defines a first flow channel extending along the vertical direction, another part of the flow guide piece defines a second flow channel extending along the vertical direction, and the width of the second flow channel is larger than that of the first flow channel. According to the powder-liquid mixing device, the first flow channel and the second flow channel which are defined by the flow guide piece can shunt the liquid material close to the liquid inlet to a position far away from the liquid inlet, so that the solid-liquid mixing effect of the powder-liquid mixing device can be improved.

Description

Powder-liquid mixing equipment and pulping system

Technical Field

The utility model relates to the technical field of battery production equipment, in particular to powder-liquid mixing equipment and a pulping system.

Background

The slurry of the battery is formed by highly mixing some solid powder materials with liquids such as solvents, and the uniformity of the slurry mixing of the battery is very high. At present, the slurry of the battery is generally mixed by adopting powder-liquid mixing equipment, but a liquid feed inlet of the existing powder-liquid mixing equipment is arranged on one side of the machine body, most of materials can directly fall from a side close to an inlet when blanking downwards after liquid materials enter the machine body, blanking is concentrated, powder mixing in the next stage is unfavorable, and uniformity of the slurry cannot be guaranteed.

Disclosure of Invention

The first aim of the utility model is to provide a new technical scheme of powder-liquid mixing equipment, which at least can solve the problem of centralized discharging of liquid materials of the existing powder-liquid mixing equipment.

A second object of the present utility model is to provide a pulping system comprising a powder-liquid mixing device as described above.

According to a first aspect of the present utility model, there is provided a powder-liquid mixing apparatus comprising: the machine body is internally provided with a mixing cavity, a blanking channel extending along the vertical direction is arranged in the machine body, one end of the blanking channel is communicated with the mixing cavity, and the side wall of the machine body is provided with a liquid inlet communicated with the blanking channel; the flow guide piece is arranged in the blanking channel and is positioned between the liquid inlet and the mixing cavity, a part of the flow guide piece, which is close to the liquid inlet, defines a first flow channel extending along the vertical direction, another part of the flow guide piece defines a second flow channel extending along the vertical direction, and the width of the second flow channel is larger than that of the first flow channel.

Optionally, the number of the flow guiding pieces is two, and the two flow guiding pieces are spaced apart in the vertical direction; the second flow passage defined by the flow guiding piece far away from the liquid inlet is staggered with the second flow passage defined by the other flow guiding piece.

Optionally, the width of the first flow channel defined by the flow guiding piece far away from the liquid inlet is smaller than the width of the first flow channel defined by the other flow guiding piece; the width of the second flow passage defined by the flow guiding piece far away from the liquid inlet is smaller than that of the second flow passage defined by the other flow guiding piece.

Optionally, in the vertical direction, the projection of the second flow channel defined by one of the flow guiding elements is located in the middle of the first flow channel defined by the other flow guiding element.

Optionally, the blanking channel includes: a first flow-through section and a second flow-through section, the radial dimension of the first flow-through section being smaller than the radial dimension of the second flow-through section, the first end of the first flow-through section being in communication with the mixing chamber, the second end of the first flow-through section being in communication with the second flow-through section, the liquid inlet being in communication with the second flow-through section; one of the flow guiding pieces is arranged on the first flow section, and the other flow guiding piece is arranged on the second flow section.

Optionally, an end of the flow guiding member near the mixing cavity extends along a horizontal direction, so that a stop part is formed by the end surface of the flow guiding member near the mixing cavity.

Optionally, the first end of the first flow channel and the first end of the second flow channel face the mixing chamber; the width of the first flow channel gradually expands from the first end of the first flow channel to the second end of the first flow channel; the width of the second flow channel gradually expands from the first end of the second flow channel to the second end of the second flow channel.

Optionally, the blanking channel is formed into an annular channel, the flow guiding piece extends along the circumferential direction of the annular channel, and a part of the flow guiding piece, which is far away from the liquid inlet, is provided with a notch penetrating along the vertical direction; the circumferential wall surface of the flow guiding piece forms the inner wall surface of the first flow channel, and the end surface of the flow guiding piece, which faces the notch, forms the inner wall surface of the second flow channel.

Optionally, the powder-liquid mixing device further comprises: the powder feeding barrel is characterized in that the powder feeding barrel is provided with a barrel extending along the vertical direction, a powder feeding port is formed in the first end of the powder feeding barrel, the second end of the powder feeding barrel is arranged in the mixing cavity, the machine body is far away from the mixing cavity, and an annular channel is defined between the outer peripheral surface of the powder feeding barrel and the inner wall surface of the machine body.

Optionally, the mixing cavity is provided with a liquid outlet, and the powder inlet cylinder is respectively provided with a cleaning liquid inlet and a purging air inlet.

Optionally, the powder-liquid mixing device further comprises: the liquid level detection module is arranged on the powder inlet cylinder to detect the liquid level, the liquid level detection module is electrically connected with a control system of the powder-liquid mixing equipment, and the control system of the powder-liquid mixing equipment controls the opening and closing of the powder-liquid mixing equipment according to a detection signal of the liquid level detection module.

Optionally, a visual window for observing the interior of the powder inlet barrel is arranged on one side of the powder inlet barrel.

Optionally, the mixing chamber comprises: the first mixing section is far away from the blanking channel, the second mixing section is close to the blanking channel, and at least part of the first mixing section has an inner diameter larger than that of the second mixing section.

Optionally, the machine body includes: the first section of dismantling, second dismantle section and third dismantlement section, the first end of section is dismantled with the one end of first dismantlement section to the second and is connected, the second end of section is dismantled with the one end of section is dismantled to the third and is connected.

Optionally, the powder-liquid mixing device is a slurry mixing machine.

According to a second aspect of the present utility model there is provided a pulping system comprising a powder-liquid mixing apparatus as described above.

According to the powder-liquid mixing equipment, the guide piece is arranged in the blanking channel, the guide piece is limited with the first flow channel and the second flow channel, the first flow channel and the second flow channel are matched to guide and equalize liquid materials, the liquid materials close to the liquid inlet can be shunted to a position far away from the liquid inlet, so that the liquid materials can uniformly fall into the mixing cavity, the solid-liquid mixing effect of the powder-liquid mixing equipment can be improved, and the uniformity of slurry can be ensured; when the powder-liquid mixing equipment is cleaned, the first flow channel and the second flow channel are matched to boost and split the cleaning liquid, so that the powder-liquid mixing equipment is convenient to clean thoroughly.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic view of a powder-liquid mixing apparatus according to one embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a powder-liquid mixing apparatus according to one embodiment of the present utility model;

FIG. 3 is a schematic view of a portion of the interior of a powder-liquid mixing apparatus according to one embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a flow guide of a powder-liquid mixing apparatus according to one embodiment of the present utility model;

FIG. 5 is a flow diagram of a liquid material of a powder-liquid mixing apparatus according to one embodiment of the present utility model;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a schematic view of a structure of a rotor of a powder-liquid mixing apparatus according to an embodiment of the present utility model;

fig. 9 is a schematic view of the internal structure of a body of a powder-liquid mixing apparatus according to an embodiment of the present utility model.

Fig. 10 is a schematic view of a powder-liquid mixing apparatus according to an embodiment of the present utility model.

Reference numerals

A powder-liquid mixing apparatus 100;

a body 10; a mixing chamber 11; a first mixing section 111; a second mixing section 112; a blanking passage 12; a first flow-through section 121; a second flow-through section 122; a liquid inlet 13; a discharge port 14; a first removal section 15; a second removal section 16; a second connection portion 161; a third removal section 17;

a deflector 20; a first flow passage 21; a second flow passage 22; a first connection portion 23;

a powder inlet cylinder 30; a powder inlet 31; a visual window 32;

a liquid level detection module 40; cleaning the valve 50; a blow valve 60; a rotor 70; a motor 80; and a drain valve 90.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

The powder-liquid mixing apparatus 100 according to the embodiment of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 9, the powder-liquid mixing apparatus 100 according to the embodiment of the present utility model includes a body 10 and at least one flow guide 20.

Specifically, a mixing cavity 11 is arranged in the machine body 10, a blanking channel 12 extending along the vertical direction is arranged in the machine body 10, one end of the blanking channel 12 is communicated with the mixing cavity 11, a liquid inlet 13 communicated with the blanking channel 12 is arranged on the side wall of the machine body 10, a flow guide piece 20 is arranged in the blanking channel 12 and located between the liquid inlet 13 and the mixing cavity 11, a part of the flow guide piece 20, which is close to the liquid inlet 13, defines a first flow channel 21 extending along the vertical direction, another part of the flow guide piece 20 defines a second flow channel 22 extending along the vertical direction, and the width of the second flow channel 22 is larger than that of the first flow channel 21.

In other words, as shown in fig. 1 to 9, the powder-liquid mixing apparatus 100 according to the embodiment of the present utility model mainly includes a body 10 and at least one guide 20, wherein a mixing chamber 11 for mixing slurry and a blanking passage 12 communicating with the mixing chamber 11 are provided in the body 10, the blanking passage 12 extends in a vertical direction, a liquid inlet 13 extending in a horizontal direction is provided at a side wall of the body 10, and the liquid inlet 13 communicates with the blanking passage 12.

As shown in fig. 2 to 5, the flow guide 20 is disposed in the blanking passage 12, and in the vertical direction, the flow guide 20 is located between the liquid inlet 13 and the mixing chamber 11. The flow guide 20 defines a first flow passage 21 and a second flow passage 22 extending in a vertical direction, and the manner in which the first flow passage 21 and the second flow passage 22 are defined by the flow guide 20 includes, but is not limited to, the following two cases:

in the first case, the flow guiding member 20 is provided with a first through groove and a second through groove penetrating in the vertical direction, a first flow channel 21 is defined by the first through groove, and a second flow channel 22 is defined by the second through groove;

in the second case, the width of the guide member 20 is smaller than that of the blanking channel 12, and the side surface of the guide member 20 is matched with the inner wall surface of the machine body 10 to define a first flow channel 21 and a second flow channel 22.

Wherein, the width of the second flow channel 22 is larger than the width of the first flow channel 21, so that the flow rate of the first flow channel 21 is smaller than the flow rate of the second flow channel 22, and in the horizontal direction, the first flow channel 21 is close to the liquid inlet 13, and the second flow channel 22 is far away from the liquid inlet 13. The positions of the first flow passage 21 and the second flow passage 22 include, but are not limited to, the following two cases:

in the first case, in the horizontal direction, when the liquid inlet 13 is located at the middle position of the blanking channel 12, the second flow channels 22 are located at two ends of the first flow channel 21;

in the second case, in the horizontal direction, when the liquid inlet 13 is located at one end of the blanking passage 12, the second flow passage 22 is located at one end of the first flow passage 21 away from the liquid inlet 13.

As shown in fig. 5 to 7, when the liquid material is added to the mixing chamber 11, the liquid material flows to the position of the second flow channel 22 due to the smaller flow rate of the first flow channel 21, and flows into the mixing chamber 11 from the second flow channel 22, so that the liquid material is prevented from falling only from the position close to the liquid inlet 13, and the liquid material can flow into the mixing chamber 11 more uniformly.

As shown in fig. 8 and 9, the mixing chamber 11 is provided with a rotor 70, blades are arranged in the circumferential direction of the rotor 70, the rotor 70 can rotate around an axis extending in the vertical direction, a motor 80 is arranged on the outer side of the mixing chamber 11, and the motor 80 is in transmission connection with the rotor 70 to drive the rotor 70 to rotate.

When the powder-liquid mixing device 100 mixes materials, the liquid materials fall along the inner walls of the first flow channel 21 and the second flow channel 22 under the influence of the negative pressure cavity environment formed by the rotation of the rotor 70 and the dead weight of the liquid materials, so that the liquid materials can be uniformly contacted with the solid materials in the mixing cavity 11, and the solid materials and the liquid materials can be uniformly mixed conveniently when the rotor 70 rotates.

Wherein, the solid material can be placed in the mixing cavity 11 in advance, also can add when the liquid material gets into the mixing cavity 11, and it can be confirmed according to actual demand, and the structure of organism 10 can be adjusted along with the mode of adding of solid material, and this embodiment is not repeated.

When the powder-liquid mixing device 100 is cleaned, the first flow channel 21 can have a pressurizing effect on the cleaning liquid, and the first flow channel 21 and the second flow channel 22 can have a flow dividing effect on the cleaning liquid in a matching manner, so that the interior of the powder-liquid mixing device 100 is cleaned more thoroughly. The cleaning liquid used for cleaning can be clean water, lithium electric solvent, DIW and the like, and can be selected according to the materials of liquid materials and solid materials.

It should be noted that the stirring structure formed by the rotor 70 and the driving motor 80 may be a stirring structure of the powder-liquid mixing apparatus 100 in the prior art, and the stirring structure and the non-mentioned portion of the powder-liquid mixing apparatus 100 in this embodiment are known to those skilled in the art, and will not be described in detail herein.

Therefore, according to the powder-liquid mixing device 100 provided in this embodiment, by arranging the flow guiding member 20 in the blanking channel 12, the flow guiding member 20 defines the first flow channel 21 and the second flow channel 22, the first flow channel 21 and the second flow channel 22 cooperate to guide and flow-equalize the liquid material, and the liquid material close to the liquid inlet 13 can be split to a position far from the liquid inlet 13, so that the liquid material can uniformly fall into the mixing cavity 11, thereby improving the solid-liquid mixing effect of the powder-liquid mixing device 100 and ensuring the uniformity of the slurry; when the powder-liquid mixing device 100 is cleaned, the first flow passage 21 and the second flow passage 22 are matched to boost and split the cleaning liquid, so that the interior of the powder-liquid mixing device 100 is cleaned thoroughly.

According to one embodiment of the utility model, the blanking passage 12 has a width L, the first flow passage 21 has a width L1, L1 is 2/3 times L, and the second flow passage 22 has a width L.

In some embodiments of the present utility model, the number of the flow guiding elements 20 is two, and the two flow guiding elements 20 are spaced apart in the vertical direction, and the second flow passage 22 defined by the flow guiding element 20 far from the liquid inlet 13 is staggered from the second flow passage 22 defined by the other flow guiding element 20.

That is, as shown in fig. 3 to 7, two flow guiding members 20 are provided in the blanking passage 12, the two flow guiding members 20 are spaced apart in the vertical direction, and the second flow passages 22 defined by the two flow guiding members 20 are staggered in the vertical direction. In the horizontal direction, the second flow passage 22 defined by the upper flow guiding element 20 is far away from the liquid inlet 13, and the second flow passage 22 defined by the lower flow guiding element 20 is close to the liquid inlet 13, so that the liquid material is equalized again after passing through the lower flow guiding element 20, a complete equalizing effect is formed, and the liquid material can fall into the mixing cavity 11 more uniformly.

In addition, three or more flow guide members 20 may be provided in the blanking passage 12, as long as the positions of the second flow passages 22 defined by adjacent flow guide members 20 are staggered.

According to one embodiment of the utility model, the width of the first flow channel 21 defined by the flow guiding element 20 remote from the inlet 13 is smaller than the width of the first flow channel 21 defined by the other flow guiding element 20, and the width of the second flow channel 22 defined by the flow guiding element 20 remote from the inlet 13 is smaller than the width of the second flow channel 22 defined by the other flow guiding element 20.

Specifically, as shown in fig. 5, the width of the first flow channel 21 defined by the lower flow guiding member 20 is smaller than the width of the first flow channel 21 defined by the upper flow guiding member 20, and the width of the second flow channel 22 defined by the lower flow guiding member 20 is smaller than the width of the second flow channel 22 defined by the upper flow guiding member 20, so that the lower flow guiding member 20 can receive the partially dropped liquid material, and the flow dividing effect can be further improved.

In some embodiments of the present utility model, the projection of the second flow passage 22 defined by one flow guide 20 is located in the middle of the first flow passage 21 defined by the other flow guide 20 in the vertical direction.

That is, as shown in fig. 4, when the number of the flow guiding members 20 is two, the projection of the second flow channel 22 defined by one flow guiding member 20 in the vertical direction is located in the middle of the first flow channel 21 defined by the other flow guiding member 20, so that the flow guiding member 20 located below can uniformly split the liquid material to the two ends of the first flow channel 21, and the falling position of the liquid material can be more uniform.

According to one embodiment of the utility model, the blanking passage 12 comprises: a first flow-through section 121 and a second flow-through section 122, the radial dimension of the first flow-through section 121 being smaller than the radial dimension of the second flow-through section 122, the first end of the first flow-through section 121 being in communication with the mixing chamber 11, the second end of the first flow-through section 121 being in communication with the second flow-through section 122, the liquid inlet 13 being in communication with the second flow-through section 122; one of the flow-guiding elements 20 is arranged in the first flow-through section 121 and the other flow-guiding element 20 is arranged in the second flow-through section 122.

Specifically, as shown in fig. 3, the blanking channel 12 is composed of a first flow section 121 and a second flow section 122, wherein the first flow section 121 is located below the second flow section 122 and is communicated with the mixing chamber 11, the radial dimension of the first flow section 121 is smaller than that of the second flow section 122, and the liquid inlet 13 is formed in the second flow section 122. The first flow section 121 and the second flow section 122 are respectively provided with the flow guiding element 20, so that the flow guiding element 20 arranged in the first flow section 121 can receive liquid materials falling partially, and the flow equalizing effect can be further improved.

In some embodiments of the present utility model, the end of the baffle 20 adjacent to the mixing chamber 11 extends in a horizontal direction such that the end of the baffle 20 adjacent to the mixing chamber 11 forms a stop.

That is, as shown in fig. 3, the end surface of at least one flow guiding member 20 near the mixing chamber 11 extends along the horizontal direction to form a straight-edge structure, and the straight-edge structure can be used as a stop portion, in this embodiment, the stop portion can effectively prevent the material in the mixing chamber 11 from rising, so as to ensure the normal operation of the powder-liquid mixing apparatus 100.

According to one embodiment of the utility model, the first end of the first flow channel 21 and the first end of the second flow channel 22 are directed towards the mixing chamber 11; the width of the first flow channel 21 gradually expands from the first end of the first flow channel 21 to the second end of the first flow channel 21; the width of the second flow channel 22 expands from the first end of the second flow channel 22 to the second end of the second flow channel 22.

Specifically, as shown in fig. 3 and fig. 4, one end of the first flow channel 21 facing the mixing cavity 11 is a first end, one end of the first flow channel 21 away from the mixing cavity 11 is a second end, and a part of the flow guiding member 20 near the liquid inlet 13 is gradually narrowed from the first end of the first flow channel 21 to the second end of the first flow channel 21, so that the width of the first flow channel 21 defined by the flow guiding member 20 is gradually enlarged from the first end of the first flow channel 21 to the second end of the first flow channel 21, thereby improving the smoothness of the liquid material flowing through the first flow channel 21.

The end of the second flow channel 22 facing the mixing cavity 11 is a first end, the end of the second flow channel 22 away from the mixing cavity 11 is a second end, and the width of a part of the flow guiding piece 20 away from the liquid inlet 13 is gradually reduced from the first end of the second flow channel 22 to the second end of the second flow channel 22, so that the width of the second flow channel 22 defined by the flow guiding piece 20 is gradually enlarged from the first end of the second flow channel 22 to the second end of the second flow channel 22, and the smoothness of the liquid material flowing through the second flow channel 22 can be improved.

In some embodiments of the present utility model, the side of the flow guiding member 20 facing the first flow channel 21 is provided with a flow guiding groove, and the liquid material may fall along the track of the flow guiding groove, so that the liquid material may be effectively prevented from falling too fast, and the falling time of the liquid material in the first flow channel 21 and the second flow channel 22 may be balanced, so that the liquid material may fall into the mixing cavity 11 more uniformly.

According to one embodiment of the utility model, the blanking channel 12 is formed as an annular channel, the flow guide 20 extends in the circumferential direction of the annular channel, a part of the flow guide 20 away from the liquid inlet 13 is provided with a notch penetrating in the vertical direction, the circumferential wall surface of the flow guide 20 forms the inner wall surface of the first flow channel 21, and the end surface of the flow guide 20 facing the notch forms the inner wall surface of the second flow channel 22.

Specifically, as shown in fig. 5 to 7, the blanking channel 12 is an annular channel, the annular channel extends along the vertical direction and is communicated with the mixing cavity 11, the shape of the flow guiding member 20 is matched with that of the blanking channel 12, the flow guiding member 20 is formed into an annular structure, and a part of the flow guiding member 20 away from the liquid inlet 13 is provided with a notch.

In the present embodiment, the width of the flow guiding member 20 is smaller than the width of the annular channel, such that the flow guiding member 20 defines the first flow passage 21 at the circumferential outer wall surface or the inner wall surface and the wall surface defining the annular channel, such that the flow guiding member 20 forms the inner wall surface of the first flow passage 21 at the circumferential outer wall surface or the inner wall surface, such that both ends of the first flow passage 21 extend around the axis of the annular channel, and the two end surfaces of the flow guiding member 20 facing the notch define the second flow passage 22 with the wall surface defining the annular channel, such that the two end surfaces of the flow guiding member 20 facing the notch form the inner wall surface of the second flow passage 22.

The length of the first flow channel 21 extending from both ends and the length of the second flow channel 22 are adjusted according to the viscosity and type of the slurry.

Alternatively, the inner wall surface of the liquid inlet 13 is tangential to the inner wall surface of the annular channel.

According to one embodiment of the present utility model, the powder-liquid mixing apparatus 100 further includes: the powder inlet cylinder 30, the powder inlet cylinder 30 is formed into a cylinder extending along the vertical direction, the first end of the powder inlet cylinder 30 is provided with a powder inlet 31, the second end of the powder inlet cylinder 30 is arranged in the machine body 10 far away from the interior of the mixing cavity 11, and an annular channel is defined between the outer peripheral surface of the powder inlet cylinder 30 and the inner wall surface of the machine body 10.

That is, as shown in fig. 2, one end of the body 10 away from the mixing chamber 11 is provided with a powder inlet tube 30 extending in a vertical direction, a first end of the powder inlet tube 30 is provided with a powder inlet 31, a second end of the powder inlet tube 30 extends into the body 10, and an annular passage is defined between an outer circumferential surface of the powder inlet tube 30 located in the body 10 and an inner wall surface of the body 10.

In this embodiment, the guide member 20 is fixedly connected to the machine body 10, the inner wall surface of the guide member 20 in the circumferential direction and the outer circumferential surface of the powder inlet barrel 30 define a first flow channel 21, and two end surfaces of the guide member 20 facing the notch and the outer circumferential surface of the powder inlet barrel 30 define a second flow channel 22.

When the powder feeding device is used, solid materials can be added into the mixing cavity 11 from the powder feeding cylinder 30, and liquid materials uniformly fall from the circumference of the solid materials, so that the solid materials and the liquid materials can be uniformly mixed in the circumferential direction, and good effects are achieved on mixing, homogenizing and dispersing of the rear section.

Alternatively, as shown in fig. 1 and 2, the side wall of the mixing chamber 11 is provided with a discharge port 14, and the slurry can directly flow out of the discharge port 14 after the liquid material and the solid material are mixed.

In some embodiments of the present utility model, the mixing chamber 11 is provided with a liquid outlet, and the powder inlet cylinder 30 is provided with a cleaning liquid inlet and a purging air inlet, respectively.

Specifically, as shown in fig. 1 and 10, a liquid outlet is formed in the bottom of the mixing chamber 11, an evacuation valve 90 is connected to the liquid outlet, a cleaning liquid inlet and a purge air inlet are formed in the side wall of the powder inlet cylinder 30, the cleaning liquid inlet is connected with a first end of a cleaning valve 50, a second end of the cleaning valve 50 is connected with a cleaning liquid conveying pipeline, the purge air inlet is connected with a first end of an air blowing valve 60, and a second end of the air blowing valve 60 is connected with air blowing equipment.

When the powder-liquid mixing equipment 100 is cleaned, the feeding valve and the discharging valve are closed, the evacuation valve 90 is opened in proportion, the cleaning valve 50 is opened, cleaning liquid flows into the machine body 10 from the cleaning liquid inlet, when the liquid level reaches the material level monitoring position, the cleaning liquid is stopped, the motor 80 is started, the rotor 70 rotates, the inner wall and the blades of the machine body 10 are cleaned, after a period of time, the evacuation valve 90 is completely opened, the cleaning valve 50 is closed, and the cleaning liquid in the machine body 10 is evacuated. After the cleaning liquid is emptied, the air blowing valve 60 is opened, the air blowing inlet blows dry gas into the machine body 10, and the interior of the machine body 10 is dried.

According to one embodiment of the present utility model, the powder-liquid mixing apparatus 100 further includes: the liquid level detection module 40, the liquid level detection module 40 is located into the powder section of thick bamboo 30 in order to detect liquid level, and the control system electricity of powder liquid mixing apparatus 100 is connected to liquid level detection module 40, and the control system of powder liquid mixing apparatus 100 is according to the detection signal control powder liquid mixing apparatus 100 of liquid level detection module 40 opens and close.

That is, as shown in fig. 1, the powder inlet 31 is provided with a liquid level detection module 40, the liquid level detection module 40 may be a liquid level sensor, the liquid level sensor is electrically connected with the control system of the powder-liquid mixing apparatus 100, the detection end of the liquid level sensor is disposed in the powder inlet cylinder 30, the liquid level in the machine body 10 can be detected by the liquid level sensor, when the liquid level reaches the detection end of the liquid level sensor, the powder-liquid mixing apparatus 100 stops running due to a trigger signal, and the material can be effectively prevented from entering the conveyor connected with the powder inlet cylinder 30.

In some embodiments of the present utility model, one side of the powder feeding barrel 30 is provided with a viewing window 32 for viewing the inside of the powder feeding barrel 30.

Specifically, as shown in fig. 2 and 3, the visible window 32 includes a transparent cover, an observation port is formed on a side wall of a portion of the powder inlet barrel 30 located outside the machine body 10, the transparent cover is fixedly connected to the observation port, the transparent cover can be transparent glass, the observation port can be closed through the transparent cover, and a user can observe the material blanking condition inside the powder inlet barrel 30 through the transparent cover. The scraper can scrape the material on the inner side surface of the transparent cover at the inner side of the transparent cover, so that a user can observe the material blanking condition inside the powder inlet barrel 30 conveniently.

According to one embodiment of the utility model, the mixing chamber 11 comprises: a first mixing section 111 and a second mixing section 112, the first mixing section 111 being remote from the blanking passage 12, the second mixing section 112 being close to the blanking passage 12, at least part of the first mixing section 111 having an inner diameter greater than the inner diameter of the second mixing section 112.

That is, as shown in fig. 3, the mixing chamber 11 may be composed of a first mixing section 111 and a second mixing section 112, wherein the first mixing section 111 is located below the second mixing section 112, and a portion of the first mixing section 111 away from the second mixing section 112 has an inner diameter larger than that of the second mixing section 112, and a portion of the first mixing section 111 close to the second mixing section 112 has an inner diameter gradually decreasing from bottom to top to form a tapered transition section.

In this embodiment, the inner diameter of at least part of the first mixing section 111 is larger than the inner diameter of the second mixing section 112, so that the problem of returning materials can be effectively prevented.

In some embodiments of the present utility model, the body 10 includes: the first section 15, the second section 16 and the third section 17 of dismantling, the first end of second section 16 and the one end of first section 15 of dismantling can dismantle the connection, the second end of second section 16 and the one end of third section 17 of dismantling can dismantle the connection.

Specifically, as shown in fig. 2 and 3, the machine body 10 mainly comprises a first disassembly section 15, a second disassembly section 16 and a third disassembly section 17, wherein a first end of the first disassembly section 15 is provided with a first flange portion, a first end of the second disassembly section 16 is provided with a second flange portion, the first flange portion and the second flange portion are connected together through bolts, the mixing cavity 11 is formed in the first disassembly section 15 and the second disassembly section 16, and further, the first mixing section 111 is formed in the first disassembly section 15. The second end of the second disassembly section 16 is provided with a third flange part, the first end of the third disassembly section 17 is provided with a fourth flange part, the third flange part and the fourth flange part are connected together through bolts, and the blanking channel 12 and the liquid inlet 13 are respectively arranged on the third disassembly section 17.

In this embodiment, two ends of the second disassembling section 16 are detachably connected with the first disassembling section 15 and the third disassembling section 17 respectively, so that the machine body 10 is more convenient to disassemble, and the structure in the machine body 10 is convenient to install and replace.

According to one embodiment of the utility model, one of the flow guides 20 is fixedly connected to the third dismounting section 17, and the flow guide 20 extends towards the outside of the third dismounting section 17 with a first connection portion 23, and the second end of the second dismounting section 16 is provided with a second connection portion 161 extending in its circumferential direction, the first connection portion 23 being detachably connected to the second connection portion 161 by means of a bolt.

In some embodiments of the present utility model, the powder-liquid mixing apparatus 100 is a slurry mixer.

As shown in fig. 1 to 9, when the powder-liquid mixing device 100 of the present utility model is in use, solid materials enter the mixing cavity 11 from the powder inlet cylinder 30, liquid materials enter the blanking channel 12 from the liquid inlet 13, the liquid materials can uniformly drop in the circumferential direction of the solid materials under the action of the flow guide member 20, the first flow channel 21 and the second flow channel 22, the rotating rotor 70 can scatter the solid materials in the circumferential direction, the solid materials are fully contacted with the liquid materials, the solid materials and the liquid materials are uniformly mixed to form slurry under the action of the rotor 70, and the slurry flows out from the discharge port 14 after the slurry is formed.

Embodiments of the present utility model also provide a pulping system including the powder-liquid mixing apparatus 100 described in any of the above embodiments. The powder-liquid mixing device 100 according to the embodiment of the present utility model can solve the problem of centralized blanking of liquid materials, so that the pulping system of the embodiment of the present utility model also has the advantages described above, can improve the solid-liquid mixing effect, can ensure the uniformity of the slurry, and is not described in detail in this embodiment.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (16)

1. A powder-liquid mixing apparatus, characterized by comprising:

the device comprises a machine body (10), wherein a mixing cavity (11) is arranged in the machine body (10), a blanking channel (12) extending along the vertical direction is arranged in the machine body (10), one end of the blanking channel (12) is communicated with the mixing cavity (11), and a liquid inlet (13) communicated with the blanking channel (12) is formed in the side wall of the machine body (10);

at least one water conservancy diversion piece (20), water conservancy diversion piece (20) are located blanking passageway (12), and are located inlet (13) with between mixing chamber (11), water conservancy diversion piece (20) are close to a part of inlet (13) defines first runner (21) along vertical direction extension, another part of water conservancy diversion piece (20) defines second runner (22) along vertical direction extension, the width of second runner (22) is greater than the width of first runner (21).

2. Powder-liquid mixing apparatus according to claim 1, characterized in that the number of said flow guides (20) is two, two of said flow guides (20) being vertically spaced apart;

the second flow passage (22) defined by the flow guiding piece (20) far away from the liquid inlet (13) is staggered with the second flow passage (22) defined by the other flow guiding piece (20).

3. The powder-liquid mixing apparatus according to claim 2, wherein the width of the first flow passage (21) defined by the flow guide (20) remote from the liquid inlet (13) is smaller than the width of the first flow passage (21) defined by the other flow guide (20);

the width of the second flow passage (22) defined by the flow guiding piece (20) far away from the liquid inlet (13) is smaller than the width of the second flow passage (22) defined by the other flow guiding piece (20).

4. The powder-liquid mixing apparatus according to claim 2, wherein the projection of the second flow passage (22) defined by one of the flow guides (20) is located in the middle of the first flow passage (21) defined by the other flow guide (20) in the vertical direction.

5. The powder-liquid mixing apparatus according to claim 2, wherein the blanking passage (12) comprises:

-a first flow-through section (121) and a second flow-through section (122), the radial dimension of the first flow-through section (121) being smaller than the radial dimension of the second flow-through section (122), the first end of the first flow-through section (121) being in communication with the mixing chamber (11), the second end of the first flow-through section (121) being in communication with the second flow-through section (122), the liquid inlet (13) being in communication with the second flow-through section (122);

one of the flow guiding pieces (20) is arranged on the first flow section (121), and the other flow guiding piece (20) is arranged on the second flow section (122).

6. Powder-liquid mixing apparatus according to claim 1, characterized in that the end of the flow guide (20) adjacent to the mixing chamber (11) extends in a horizontal direction such that the end of the flow guide (20) adjacent to the mixing chamber (11) forms a stop.

7. The powder-liquid mixing device according to claim 1, characterized in that the first end of the first flow channel (21) and the first end of the second flow channel (22) are directed towards the mixing chamber (11);

the width of the first flow channel (21) gradually expands from the first end of the first flow channel (21) to the second end of the first flow channel (21);

the width of the second flow channel (22) gradually enlarges from the first end of the second flow channel (22) to the second end of the second flow channel (22).

8. Powder-liquid mixing apparatus according to claim 1, characterized in that the blanking channel (12) is formed as an annular channel, the flow guide (20) extends in the circumferential direction of the annular channel, and a portion of the flow guide (20) remote from the liquid inlet (13) is provided with a gap penetrating in the vertical direction;

the circumferential wall surface of the flow guide member (20) forms the inner wall surface of the first flow channel (21), and the end surface of the flow guide member (20) facing the notch forms the inner wall surface of the second flow channel (22).

9. The powder-liquid mixing apparatus of claim 8, further comprising:

the powder feeding barrel (30), the powder feeding barrel (30) is formed into a barrel extending along the vertical direction, a powder feeding port (31) is formed in the first end of the powder feeding barrel (30), the second end of the powder feeding barrel (30) is arranged in the machine body (10) and far away from the inside of the mixing cavity (11), and an annular channel is defined between the outer peripheral surface of the powder feeding barrel (30) and the inner wall surface of the machine body (10).

10. Powder-liquid mixing apparatus according to claim 9, characterized in that the mixing chamber (11) is provided with a liquid outlet, and the powder inlet cartridge (30) is provided with a cleaning liquid inlet and a purge air inlet, respectively.

11. The powder-liquid mixing apparatus of claim 9, further comprising:

the liquid level detection module (40), liquid level detection module (40) are located advance powder section of thick bamboo (30) in order to detect liquid level, liquid level detection module (40) with powder liquid mixing equipment's control system electricity is connected, powder liquid mixing equipment's control system is according to the detection signal control of liquid level detection module (40) powder liquid mixing equipment's start-stop.

12. The powder-liquid mixing apparatus according to claim 9, wherein one side of the powder inlet barrel (30) is provided with a visual window (32) for observing the inside of the powder inlet barrel (30).

13. Powder-liquid mixing device according to claim 1, characterized in that the mixing chamber (11) comprises:

a first mixing section (111) and a second mixing section (112), the first mixing section (111) being remote from the blanking channel (12), the second mixing section (112) being close to the blanking channel (12), at least part of the first mixing section (111) having an inner diameter larger than the inner diameter of the second mixing section (112).

14. The powder-liquid mixing apparatus according to claim 1, wherein the machine body (10) includes:

a first disassembly section (15);

the second dismantles section (16) and third dismantlement section (17), the first end of second dismantlement section (16) can dismantle with the one end of first dismantlement section (15) and be connected, the second end of second dismantlement section (16) with the one end of third dismantlement section (17) can dismantle and be connected.

15. The powder-liquid mixing apparatus according to any one of claims 1 to 14, wherein the powder-liquid mixing apparatus is a slurry mixer.

16. A pulping system comprising a powder-liquid mixing apparatus according to any one of claims 1 to 15.