CN219849020U - Mixing impeller and pulping equipment - Google Patents

Abstract

The utility model relates to the technical field of pulping, and discloses a mixing impeller and pulping equipment. The mixing impeller comprises an impeller body, a cavity extending towards the top end direction is formed in the bottom end of the impeller body, a gap communicated with the cavity is formed in the side wall of the impeller body, and the extending direction of the gap is along the rotating direction of the impeller body. In the rotating process of the impeller body, solid materials are conveyed from top to bottom along an external flow channel of the impeller body; the liquid material is carried from bottom to top from the cavity of impeller body, and the liquid material flows through the cavity, flows out from the gap of seting up on the lateral wall of impeller body, mixes with the solid material, and the setting up of cavity and gap of impeller body makes the liquid level of liquid material improve to improved the mixed interface height of solid material and liquid material, further improved mixing efficiency.

Description

Mixing impeller and pulping equipment

Technical Field

The utility model relates to the technical field of pulping, in particular to a mixing impeller and pulping equipment.

Background

Pulping equipment is widely used in the industries of pharmacy, food, chemical industry and the like, and in the preparation process stage, liquid and solid are fully mixed to obtain a prefabricated mixture, so that the subsequent processing efficiency is improved.

In the existing equipment, the dispersion and mixing of solid and liquid are integrated on the same equipment, and as the interface between the solid and the liquid in the existing structure is lower, the contact area between the solid and the liquid is small and the contact time is short, the problems of low mixing degree of the solid and the liquid and low mixing efficiency are caused, and the pulping efficiency is influenced.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects of low solid-liquid mixing degree and low mixing efficiency caused by low solid-liquid interface in the prior art, thereby providing a mixing impeller and pulping equipment.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the present utility model provides a mixing impeller comprising:

the impeller comprises an impeller body, wherein a cavity extending towards the top end direction is formed in the bottom end of the impeller body, a gap communicated with the cavity is formed in the side wall of the impeller body, and the extending direction of the gap is along the rotating direction of the impeller body.

In the technical scheme of the utility model, a plurality of blades are arranged on the peripheral side of the outer wall of the impeller body at intervals, the gap is an annular gap arranged around the peripheral side of the impeller body, and the annular gap penetrates through the plurality of blades.

In the technical scheme of the utility model, the impeller body is provided with a central through hole along the axial direction of the impeller body, the cavity comprises a plurality of sub-cavities which are arranged around the periphery of the central through hole at intervals, and the plurality of sub-cavities jointly form the cavity.

In the technical scheme of the utility model, the number of the gaps is a plurality, a plurality of blades are arranged on the peripheral side of the outer wall of the impeller body at intervals, and the gaps are arranged around the side wall of the impeller body at intervals and are positioned in the area between every two adjacent blades.

In the technical scheme of the utility model, the impeller body is provided with a central through hole along the axial direction of the impeller body, the cavity is an annular cavity which is arranged around the periphery of the central through hole, the annular cavity and the impeller body are coaxially arranged, or the cavity comprises a plurality of sub-cavities which are arranged around the periphery of the central through hole at intervals, and the plurality of sub-cavities jointly form the cavity.

In the technical scheme of the utility model, the gap is inclined from the top end of the impeller body to the bottom end of the impeller body along the direction of the inner wall of the impeller body towards the outer wall.

In the technical scheme of the utility model, the gap is inclined from the bottom end of the impeller body to the top end of the impeller body along the direction of the inner wall of the impeller body towards the outer wall.

In the technical scheme of the utility model, the gap is arranged along the radial direction of the impeller body.

In the technical scheme of the utility model, the impeller body comprises a cylindrical section and a frustum section smoothly connected with the cylindrical section, the large end of the frustum section is connected with the cylindrical section, and the cavity penetrates through the cylindrical section and extends into the frustum section.

In the technical scheme of the utility model, the gap is arranged on the side wall of the conical section, and the width of the gap is 2-5mm.

The utility model also provides a pulping apparatus comprising:

a housing;

the mixing impeller is arranged in the shell.

The technical scheme of the utility model has the following advantages:

1. according to the mixing impeller provided by the utility model, the impeller body can rotate around the axis of the impeller body, and in the rotating process, solid materials such as powder are conveyed from top to bottom along the external flow channel of the impeller body; the liquid material is conveyed from bottom to top from the cavity of the impeller body, flows through the cavity, flows out from the gap formed in the side wall of the impeller body, and is mixed with the solid material. The cavity and the gap on the impeller body enable the flow path of the liquid material to be prolonged and lifted, so that the liquid level of the liquid material flowing out of the impeller body is improved, the height of the mixing interface of the solid material and the liquid material is improved, the solid material and the liquid material can be fully mixed, and the mixing efficiency is further improved.

2. According to the mixing impeller provided by the utility model, the gap is formed in the side wall of the impeller body close to the top end, the liquid material is conveyed from bottom to top, flows out of the gap after flowing through the cavity, namely flows out of the top side wall of the impeller, so that the mixing interface of the solid material and the liquid material is improved; the gap is annular gap or gap interval multistage surrounding impeller body's week side setting, when impeller body rotated around its self axis, liquid material in the cavity received centrifugal force effect and throws away from annular gap or a plurality of gaps that are annular arrangement, plays the dispersion effect to liquid material, and gap itself is long and narrow moreover, and liquid material can disperse and be the annular liquid level around impeller body when throwing away from the gap, and area of contact is big, and solid material falls down from the whichever direction of mixing impeller, homoenergetic and liquid material contact mix, further improves solid material and liquid material's mixing efficiency.

3. According to the mixing impeller provided by the utility model, along the direction that the inner wall of the impeller body faces the outer wall, the gap is inclined from the top end of the impeller body to the bottom end of the impeller body, and the inclined surface is formed at the junction of the solid material and the liquid material, so that the mixing contact area of the solid material and the liquid material is increased, the mixing efficiency of the solid material and the liquid material is improved, the downward conveying speed of the solid material is accelerated, the returning probability is reduced, the mixing quality of the solid material and the liquid material is improved, and the pulping efficiency is improved. In addition, the blocking of the gap caused by the caking generated by mixing the solid material and the liquid material can be avoided, so that the mixing efficiency is influenced.

4. According to the mixing impeller provided by the utility model, the gap is inclined from the bottom end of the impeller body to the top end of the impeller body along the direction of the inner wall of the impeller body towards the outer wall, so that the height of the mixing interface of liquid materials and solid materials is improved, and the mixing efficiency is further improved.

5. According to the pulping equipment provided by the utility model, the mixing impeller is arranged in the shell, so that the height of the mixing interface of the solid material and the liquid material of the pulping equipment is improved, the blanking speed is increased, and the pulping efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a mixing impeller according to one embodiment of the present utility model, wherein a slit extends through the blades;

FIG. 2 is a schematic diagram of the front view structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of B-B of FIG. 3;

FIG. 5 is a perspective view of a mixing impeller according to another embodiment of the present utility model, wherein a gap is located between adjacent blades;

FIG. 6 is a schematic diagram of the front view of FIG. 5;

FIG. 7 is a schematic cross-sectional view of C-C of FIG. 6;

FIG. 8 is a schematic view in section D-D of FIG. 6;

fig. 9 is an axial sectional view of a pulping apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a mixing impeller; 1. an impeller body; 2. a blade; 3. a slit; 11. a central through hole; 12. a sub-cavity; 13. a conical section; 14. a cylindrical section; 20. a housing; 21. a liquid inlet; 22. a mixture outlet; 23. a solids inlet; 30. a liquid dispersing device; 40. a solid dispersing device.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; 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.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 8, the present utility model discloses a mixing impeller 10 comprising: the impeller body 1, the bottom of impeller body 1 has offered the cavity that extends to the top direction, and the gap 3 with the cavity intercommunication has been seted up to the lateral wall of impeller body 1, and the direction of extension of gap 3 is along the direction of rotation of impeller body 1, and the gap 3 extends along the annular surface of impeller body 1 promptly, of course, the specific length of extension does not do not specifically limit here, and gap 3 can be continuous annular, also can be intermittent annular.

In this embodiment, the impeller body 1 is provided with a central through hole 11 along the axial direction thereof, the impeller body 1 is sleeved on the driving shaft through the central through hole 11, and the driving shaft drives the impeller body 1 to rotate around the axis thereof. It will be appreciated, of course, that the cavity is disposed around the central through hole 11 and is spaced from the central through hole 11 by a wall thickness that forms a sleeve-like structure.

In the rotating process, solid materials such as powder are conveyed from top to bottom along the external flow channel of the impeller body 1; the liquid material is conveyed from bottom to top from the cavity of the impeller body 1, flows through the cavity, flows out from the gap 3 formed on the side wall of the impeller body 1, and is mixed with the solid material. The cavity on the impeller body 1 and the arrangement of the gap 3 enable the flow path of the liquid material to be prolonged and lifted, so that the liquid level of the liquid material flowing out of the impeller body 1 is improved, the height of the mixing interface of the solid material and the liquid material is improved, the solid material and the liquid material can be fully mixed, and the mixing efficiency is further improved.

Referring to fig. 1 to 4, in some embodiments of the present utility model, a plurality of blades 2 are provided at intervals on the peripheral side of the outer wall of the impeller body 1, and the slit 3 is an annular slit 3 provided around the peripheral side of the impeller body 1, the annular slit 3 penetrating the plurality of blades 2. In order to ensure that the arrangement of the annular gap 3 does not divide the impeller body 1 into two independent parts, i.e. to maintain the integrity of the impeller body 1, the cavity correspondingly comprises a plurality of sub-cavities 12 which are arranged around the periphery of the central through hole 11 at intervals, and the plurality of sub-cavities 12 jointly form the cavity. The wall thickness is equal to that between a plurality of sub-cavities 12 and is separated by the wall thickness, the wall thickness forms a structure similar to a supporting rib, and the annular gap 3 is connected through a plurality of separated supporting ribs, so that the integrity of the impeller body 1 is not affected.

As shown in fig. 5 to 8, in some embodiments, the number of the slits 3 is plural, and the slits 3 are disposed around the sidewall of the impeller body 1 at intervals and located in the area between every two adjacent blades 2, that is, the slits 3 are broken by the blades 2, so that the integrity of the impeller body 1 is not affected, and the performance of the impeller body 1 is not affected under the scouring action of materials. The arrangement of the slit 3 is not particularly limited to a cavity, and the cavity may be an annular cavity (not shown) provided around the outer periphery of the central through hole 11 or a cavity formed by a plurality of sub-cavities 12.

The slit 3 is preferably provided at a side wall of the impeller body 1 near the tip. The slit 3 may be formed by grooving the impeller body 1, with a grooving width of 2-5mm.

The liquid material is conveyed from bottom to top, flows out of the gap 3 after flowing through the cavity, namely flows out of the top side wall of the impeller, so that the mixing interface of the solid material and the liquid material is improved; the gap 3 is annular gap 3 or gap 3 interval multistage encircle impeller body 1's week side setting, when impeller body 1 rotates around its self axis, liquid material in the cavity is thrown away from annular gap 3 or a plurality of gaps 3 that are annular and arrange by centrifugal force effect, play the dispersion effect to liquid material, and gap 3 is long and narrow by itself, liquid material can disperse when throwing away from gap 3 and be the annular liquid level around impeller body 1, area of contact is big, the solid material falls down from the whichever direction of mixing impeller 10, homoenergetic and liquid material contact mix, further improve the mixing efficiency of solid material and liquid material.

Referring to fig. 2 to 4, fig. 6 to 8 show that in some embodiments of the present utility model, the slit 3 is inclined from the top end of the impeller body 1 toward the bottom end of the impeller body 1 in a direction in which the inner wall of the impeller body 1 faces the outer wall.

Specifically, when the gap 3 is inclined from the top end of the impeller body 1 to the bottom end of the impeller body 1, after the liquid material is thrown out from the overflow port, the flowing direction is downward, and the flowing direction of the solid material is also downward, so that the mixing interface of the solid material and the liquid material forms an inclined surface, the mixing contact area of the solid material and the liquid material is increased, the mixing efficiency of the solid material and the liquid material is improved, the downward conveying speed of the solid material is accelerated, the returning probability is reduced, and the mixing quality of the solid material and the liquid material is improved; in addition, the blocking of the gap 3 caused by caking generated by mixing the solid material and the liquid material can be avoided, and the mixing efficiency is influenced.

In some embodiments of the present utility model, the slit 3 is inclined from the bottom end of the impeller body 1 toward the top end of the impeller body 1 in the direction of the inner wall toward the outer wall of the impeller body 1 (not shown in the drawings). The gap 3 is obliquely arranged from the bottom end of the impeller body 1 to the top end direction of the impeller body 1, so that the height of a mixing interface of liquid materials and solid materials is further improved, the mixing quality is improved, and the mixing speed is accelerated.

In some embodiments, a baffle can be arranged above the gap 3, and the baffle is inclined from the top end of the impeller body 1 towards the bottom end, under the barrier effect of the baffle, the liquid level of the liquid material thrown out by the gap 3 is controlled, so that the discharge height of the liquid material is controlled in a reasonable height range, the solid material and the liquid material are mixed at a proper liquid level, and the mixing efficiency is improved.

In some embodiments of the utility model, the slits 3 may also be arranged in the radial direction of the impeller body 1.

Referring to fig. 1 to 8, in some embodiments of the present utility model, the impeller body 1 includes a cylindrical section 14 and a frustum section 13 smoothly connected to the cylindrical section 14, a large end of the frustum section 13 is connected to the cylindrical section 14, and a cavity penetrates the cylindrical section 14 and extends into the frustum section 13.

In some embodiments of the utility model, the slit 3 is provided in the side wall of the cone section 13.

Specifically, the conical section 13 is beneficial to downward conveying of solid materials, and the side wall of the conical section 13 is an inclined surface, so that the solid blanking speed is improved; the below of frustum section 13 sets up cylindrical section 14, increases impeller body 1 height, and the cavity runs through cylindrical section 14 and frustum section 13, and gap 3 setting is on the lateral wall of frustum section 13 and with the cavity intercommunication, and when liquid material was carried from bottom to top, the gap 3 that flows through on the lateral wall of frustum section 13 was thrown away from the cavity to the cavity, mixes with the solid material of frustum section 13 lateral wall, because the lateral wall of frustum section 13 is the inclined plane, increased the mixed interface area of solid material and liquid material, improves the unloading rate, improves mixing efficiency.

Specifically, the cavity is used for providing a temporary storage space for the liquid material, and when the impeller body 1 rotates, the liquid material temporarily stored in the cavity can be thrown out from the gap 3 under the action of centrifugal force.

Referring to fig. 9, the present utility model also provides a pulping apparatus comprising: a casing 20, and the mixing impeller 10 is provided in the casing 20.

Specifically, the liquid inlet 21 is formed in the peripheral wall of the bottom of the casing 20, the liquid material enters from the liquid inlet 21, the liquid dispersing device 30 is arranged at the bottom of the casing 20, the liquid material flows to the mixing impeller 10 after being dispersed by the liquid dispersing device 30, the solid inlet 23 is formed in the top of the casing 20, the solid dispersing device 40 is arranged at the top of the casing 20, and the solid material flows to the mixing impeller 10 after being dispersed by the solid dispersing device 40. The dispersed liquid material is hollow from the bottom of the impeller body 1, is thrown out from the gap 3 under the action of centrifugal force, is conveyed downwards from the external flow channel of the impeller body 1, and flows out from the mixture outlet 22 on the side wall of the shell 20 after being fully mixed with the side wall of the top of the impeller body 1.

The liquid material enters from the liquid inlet 21, after being dispersed by the dispersing device, flows upwards under the action of the driving pump, a guide plate is arranged between the liquid dispersing device 30 and the mixing impeller 10, and the guide plate is used for enabling the liquid to flow into the cavity of the impeller; after being dispersed by the solid dispersing device 40, the solid flows to the mixing impeller 10, and when the mixing impeller 10 rotates, the solid materials are conveyed downwards along the flow channel between two adjacent blades 2 under the guiding and pressing action of the blades 2, and are mixed near the gap 3. The mixing impeller 10 increases the height of the mixing interface between the solid and the liquid, thereby increasing the blanking speed and improving the pulping efficiency.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (11)

1. A mixing impeller (10), characterized by comprising:

impeller body (1), the cavity that extends to top direction has been seted up to the bottom of impeller body (1), just the lateral wall of impeller body (1) seted up with gap (3) of cavity intercommunication, the extending direction of gap (3) is followed the direction of rotation of impeller body (1).

2. The mixing impeller (10) according to claim 1, wherein a plurality of blades (2) are arranged at intervals on the peripheral side of the outer wall of the impeller body (1), the slit (3) is an annular slit (3) arranged around the peripheral side of the impeller body (1), and the annular slit (3) penetrates through the plurality of blades (2).

3. The mixing impeller (10) according to claim 2, wherein the impeller body (1) is provided with a central through hole (11) along the axial direction thereof, and the cavity comprises a plurality of sub-cavities (12) which are circumferentially arranged around the central through hole (11) and are arranged at intervals, and the plurality of sub-cavities (12) jointly form the cavity.

4. The mixing impeller (10) according to claim 1, wherein the number of the slits (3) is plural, a plurality of blades (2) are provided at intervals on the peripheral side of the outer wall of the impeller body (1), and the slits (3) are provided at intervals around the side wall of the impeller body (1) and in the region between every two adjacent blades (2).

5. The mixing impeller (10) according to claim 4, wherein the impeller body (1) is provided with a central through hole (11) along the axial direction thereof, the cavity is an annular cavity arranged around the periphery of the central through hole (11), the annular cavity is coaxially arranged with the impeller body (1), or the cavity comprises a plurality of sub-cavities (12) arranged around the periphery of the central through hole (11) at intervals, and the plurality of sub-cavities (12) jointly form the cavity.

6. The mixing impeller (10) according to any one of claims 1-5, characterized in that the gap (3) is inclined from the top end of the impeller body (1) towards the bottom end of the impeller body (1) in the direction of the inner wall of the impeller body (1) towards the outer wall.

7. The mixing impeller (10) according to any one of claims 1-5, characterized in that the gap (3) is inclined from the bottom end of the impeller body (1) towards the top end of the impeller body (1) in the direction of the inner wall of the impeller body (1) towards the outer wall.

8. A mixing impeller (10) according to any one of claims 1-5, characterized in that the slits (3) are arranged in the radial direction of the impeller body (1).

9. The mixing impeller (10) of any one of claims 1-5, wherein the impeller body (1) comprises a cylindrical section (14) and a frustum section (13) smoothly connected to the cylindrical section (14), the frustum section (13) being connected at its large end to the cylindrical section (14), the cavity extending through the cylindrical section (14) and into the frustum section (13).

10. The mixing impeller (10) according to claim 9, wherein the gap (3) is provided in a side wall of the frustum section (13), the width of the gap (3) being 2-5mm.

11. A pulping apparatus comprising:

a housing (20);

the mixing impeller (10) of any one of claims 1-10, the mixing impeller (10) being provided in the housing (20).