CN212758310U

CN212758310U - Stirring device

Info

Publication number: CN212758310U
Application number: CN202020926490.9U
Authority: CN
Inventors: 薛永
Original assignee: Truking Watertown Pharmaceutical Equipment Co Ltd
Current assignee: Truking Watertown Pharmaceutical Equipment Co Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-03-23
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to a stirring device, the agitator includes first open end, (mixing) shaft and second open end. The stirring shaft is hollow, and comprises a first end and a second end which are communicated. The stirring shaft is used for rotating and stirring the medium. The first open end is communicated with the first end, and the second end is communicated with the second open end. Either one of the first open end and the second open end is used for inputting a temperature control fluid, and the other one of the first open end and the second open end is used for outputting the temperature control fluid. The (mixing) shaft is at the container internal rotation, with medium stirring, the temperature control fluid of circulation in the (mixing) shaft also can heat or cool off the medium at the rotatory in-process of (mixing) shaft, guarantees that the medium in each region all can be heated or cooled off, and the temperature of medium can accurate control, avoids appearing the inhomogeneous phenomenon of medium temperature, is favorable to improving the homogeneity and the accuracy of medium temperature.

Description

Stirring device

Technical Field

The utility model relates to a medium stirring technical field especially relates to a stirring apparatus.

Background

At present, a stirring device generally comprises a speed reducer and a stirring shaft, wherein the speed reducer drives the stirring shaft to stir a medium in a container, so that the medium in the container is uniformly mixed.

When the stirring device is applied to working conditions such as heating, cooling and the like, the current method is generally that a heating jacket or a cooling jacket is added on the outer side of a container for containing a medium and is used for heating or cooling the medium; it is also common practice to add heat exchangers to the vessel to perform heating or cooling functions. However, both of the two methods can cause a large temperature difference gradient to be formed near the heating area or the cooling area, and the temperature of the medium in the container changes unevenly, so that the requirement of precise temperature control cannot be met. When the medium belongs to a medium sensitive to temperature (for example, the medium is a cell medium in the pharmaceutical industry), the requirement of accurate temperature difference control cannot be met, and overheating or supercooling occurs, so that the physical properties of the medium are damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a stirring device capable of performing uniform heating or cooling operation on a medium and performing precise temperature control on the stirred medium.

An agitation apparatus comprising:

the stirrer comprises a first opening end, a stirring shaft and a second opening end, the stirring shaft is hollow, the stirring shaft comprises a first end and a second end which are communicated, the stirring shaft is used for rotating and stirring the medium, the first opening end is communicated with the first end, and the second end is communicated with the second opening end; either one of the first open end and the second open end is used for inputting a temperature control fluid, and the other one of the first open end and the second open end is used for outputting the temperature control fluid.

The technical solution is further explained below:

in one embodiment, the agitator further comprises a first conduit and a second conduit, the first open end being in communication with the first end through the first conduit and the second end being in communication with the second open end through the second conduit.

In one embodiment, the stirring device further comprises a first lip seal, the first opening end is butted with one end of the first pipeline, the first lip seal is arranged at the joint of the first opening end and the first pipeline, and the other end of the first pipeline is connected with the first end of the stirring shaft in a sealing mode.

In one embodiment, the stirring device further comprises a first sleeve, the first pipeline is arranged in the first sleeve in a penetrating mode, and the first pipeline can rotate in the first sleeve.

In one embodiment, the first pipeline is sleeved in the second pipeline, a sandwich channel is formed between the outer wall of the first pipeline and the inner wall of the second pipeline, and sealing plates are arranged at two ends of the sandwich channel and used for sealing the two ends of the sandwich channel; the side wall of the second pipeline is provided with a first through hole and a second through hole, the interlayer channel is communicated with the second opening end through the first through hole, and the second end of the stirring shaft is communicated with the interlayer channel through the second through hole.

In one embodiment, the stirring device further comprises a second sleeve, a second lip seal and a third lip seal, the second lip seal and the third lip seal are respectively arranged above and below the first through hole of the second pipeline in an encircling manner, the second pipeline is sleeved in the second sleeve, and the second lip seal and the third lip seal are both installed in the second sleeve; the outer wall of the second lip-shaped sealing element is tightly attached to the inner wall of the second sleeve, the outer wall of the third lip-shaped sealing element is tightly attached to the inner wall of the second sleeve, and the second pipeline can rotate in the second sleeve.

In one embodiment, the second sleeve is provided with a third through hole, the second opening end is inserted into the third through hole, and the second opening end is communicated with the interlayer channel through the third through hole and the first through hole in sequence.

In one embodiment, the second lip-shaped seal and the third lip-shaped seal are made of modified teflon, and the first through hole is a round hole, a square hole or a long hole.

In one embodiment, the stirring device further comprises a driving member, and the outer wall of the second pipeline is connected to the driving member through a flat key.

In one embodiment, the stirring shaft rotates around a rotation axis thereof, and the stirring shaft comprises a transverse pipe arranged perpendicular to the rotation axis; along the length direction of the transverse pipe, a first spoiler blade and a second spoiler blade are arranged on the transverse pipe; first vortex blade with the length direction of second vortex blade all is on a parallel with the axis of rotation, second vortex blade is located first vortex blade with between the axis of rotation, the width direction of second vortex blade with the length direction of horizontal pipe is the acute angle, the width direction of second vortex blade with the width direction one-tenth contained angle of first vortex blade.

The stirring device at least has the following beneficial effects:

the stirring device provided by the embodiment comprises a stirrer, wherein the stirrer comprises a stirring shaft, and the stirring shaft is hollow inside. When the stirrer works, only the temperature control fluid needs to be injected into any one of the first opening end and the second opening end, the temperature control fluid flows through the stirring shaft, and then the temperature control fluid is output from the other one of the first opening end and the second opening end. So, the (mixing) shaft is at the container internal rotation, with medium stirring, the temperature control fluid of circulation in the (mixing) shaft also can heat or cool off the medium at the rotatory in-process of (mixing) shaft, guarantees that the medium in each region all can be heated or cooled off, and the temperature of medium can be accurately controlled, avoids appearing the inhomogeneous phenomenon of medium temperature, is favorable to improving the homogeneity and the accuracy of medium temperature.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a stirring apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a stirring device according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure at P in FIG. 2;

fig. 4 is a schematic structural diagram of a stirrer according to an embodiment of the present invention;

fig. 5 is a schematic top view of the stirring shaft in fig. 4.

Description of reference numerals: 100. a stirring device; 110. a stirrer; 111. a first open end; 112. a second open end; 113. a stirring shaft; 1131. a first end; 1132. a second end; 1133. a rotation shaft; 1134. a transverse tube; 1135. a first spoiler blade; 1136. a second spoiler blade; 114. a first conduit; 115. a second conduit; 1151. a first through hole; 1152. a second through hole; 1153. a first keyway; 116. an interlayer channel; 120. a first lip seal; 130. a second lip seal; 140. a third lip seal; 150. a first sleeve; 160. a second sleeve; 161. a third through hole; 170. a drive member; 171. a flat bond.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The present embodiment provides a stirring device 100, which has the advantages of being capable of performing uniform heating or cooling operation on a medium and performing precise temperature control on the stirred medium, and will be described in detail with reference to the accompanying drawings.

In one embodiment, referring to fig. 1, a stirring device 100 is used for stirring a medium, and the stirring device 100 includes a stirrer 110. The agitator 110 includes a first open end 111, an agitator shaft 113, and a second open end 112. The stirring shaft 113 is hollow inside, and the stirring shaft 113 includes a first end 1131 and a second end 1132 which are communicated with each other. The stirring shaft 113 is used to rotate and stir the medium. The first open end 111 is connected to the first end 1131, and the second end 1132 is connected to the second open end 112. Either one of the first open end 111 and the second open end 112 is used for inputting a temperature-controlled fluid, and the other one of the first open end 111 and the second open end 112 is used for outputting the temperature-controlled fluid. The temperature control fluid is a fluid with a certain temperature. For example, when the medium placed in the container needs to be heated, a hot temperature-control fluid may be injected from the first open end 111 or the second open end 112, the temperature-control fluid flows into the stirring shaft 113, and the stirring shaft 113 may heat the medium while stirring the medium. When the medium placed in the container needs to be cooled, a cold temperature-control fluid may be injected from the first open end 111 or the second open end 112, the temperature-control fluid flows into the stirring shaft 113, and the stirring shaft 113 may cool the medium while stirring the medium. And when the stirring device is operated, the temperature control fluid can be continuously introduced into the stirrer.

The stirring device 100 provided in this embodiment includes a stirrer 110, where the stirrer 110 includes a stirring shaft 113, and the stirring shaft 113 is hollow inside. When the stirrer 110 is operated, only the temperature control fluid needs to be injected into any one of the first open end 111 and the second open end 112, the temperature control fluid flows through the stirring shaft 113, and the temperature control fluid is output from the other one of the first open end 111 and the second open end 112. So, (mixing) shaft 113 is at the container internal rotation, with the medium stirring, and the temperature control fluid of circulation also can heat or cool off the medium at the 113 rotatory in-process of (mixing) shaft 113, guarantees that the medium in each region all can be heated or cooled off, and the temperature of medium can accurately be controlled, avoids appearing the inhomogeneous phenomenon of medium temperature, is favorable to improving the homogeneity and the accuracy of medium temperature.

In one embodiment, referring to fig. 1, 3 and 4, the agitator 110 further includes a first conduit 114 and a second conduit 115, the first open end 111 is connected to the first end 1131 through the first conduit 114, and the second end 1132 is connected to the second open end 112 through the second conduit 115.

In one embodiment, referring to fig. 1, 3 and 4, the first pipeline 114 is sleeved in the second pipeline 115. A sandwich channel 116 is formed between the outer wall of the first duct 114 and the inner wall of the second duct 115. Seal plates (not shown) are provided at both ends of the sandwich passage 116. The sealing plates are used to close both ends of the sandwich passage 116. Specifically, first conduit 114 and second conduit 115 form a single sleeve. The sealing plate is an annular plate with a central opening equal to the end opening of the first conduit 114. Seal plates are welded to the end faces of the first duct 114 and the second duct 115 for closing both ends of the sandwich passage 116. Further, referring to fig. 3 and 4, a first through hole 1151 and a second through hole 1152 are formed in a sidewall of the second duct 115, and the interlayer channel 116 is communicated with the second open end 112 through the first through hole 1151. The second end 1132 of the stirring shaft 113 is communicated with the interlayer channel 116 through the second through hole 1152. Taking the first opening end 111 for injecting the temperature control fluid and the second opening end 112 for outputting the temperature control fluid as an example, the fluid flow in the stirrer 110 will be specifically described: the temperature control fluid injected from the first open end 111 flows from the first conduit 114 into the first end 1131 of the mixing shaft 113, then flows from the second end 1132 of the mixing shaft 113 to the second through hole 1152 of the second conduit 115, and enters the sandwiched passage 116; the temperature control fluid in the interlayer channel 116 flows from the first through hole 1151 to the second open end 112, and finally the temperature control fluid is output from the second open end 112, so that the unidirectional flow of the temperature control fluid is completed.

In one embodiment, referring to fig. 2 to 3, the stirring device 100 further includes a first lip seal 120, the first open end 111 is abutted to one end of the first pipe 114, the first lip seal 120 is disposed at a joint of the first open end 111 and the first pipe 114, and the other end of the first pipe 114 is hermetically connected to the first end 1131 of the stirring shaft 113. Specifically, the first lip-shaped sealing element 120 is a lip-shaped sealing ring made of modified teflon, so as to ensure that the temperature control fluid is not adhered to the first lip-shaped sealing element 120. The first lip seal 120 functions to seal the interface of the first open end 111 and the first conduit 114 and prevent the escape of temperature control fluid from the interface of the first open end 111 and the first conduit 114. The other end of the first pipe 114 and the first end 1131 of the stirring shaft 113 may be made into an integral structure, or a sealing member may be installed at the joint of the first pipe 114 and the first end 1131 of the stirring shaft 113 to ensure that the temperature control fluid does not leak out from the joint of the first pipe 114 and the stirring shaft 113.

In one embodiment, referring to fig. 1 and 3, the stirring device 100 further includes a first sleeve 150, the first pipe 114 is disposed in the first sleeve 150, and the first pipe 114 can rotate in the first sleeve 150. The first lip seal 120 is mounted within the first sleeve 150. Specifically, the sleeve formed by the first and

second conduits

114, 115 is disposed through the first sleeve 150, and the first lip seal 120 is also mounted within the first sleeve 150. The sleeve formed by the first conduit 114 and the second conduit 115 may rotate within the first sleeve 150, with the first sleeve 150 remaining stationary.

In one embodiment, referring to fig. 1 and 3, the stirring device 100 further includes a second sleeve 160, a second lip seal 130, and a third lip seal 140. The second lip seal 130 and the third lip seal 140 are respectively provided around and under the first through hole 1151 of the second duct 115. The second pipe 115 is sleeved in the second sleeve 160, and the second lip seal 130 and the third lip seal 140 are both installed in the second sleeve 160. The outer wall of the second lip seal 130 is closely attached to the inner wall of the second sleeve 160, the outer wall of the third lip seal 140 is closely attached to the inner wall of the second sleeve 160, and the second pipe 115 is rotatable in the second sleeve 160. The second sleeve 160 is provided with a third through hole 161, the second opening end 112 is inserted into the third through hole 161, and the second opening end 112 is communicated with the interlayer channel 116 through the third through hole 161 and the first through hole 1151 in sequence. Specifically, the second lip seal 130 and the third lip seal 140 are lip seals made of modified teflon. The second lip seal 130, the outer wall of the second sleeve 160, the third lip seal 140, and the outer wall of the second duct 115 form a chamber. When the temperature control fluid is introduced from the first open end 111, the temperature control fluid flows into the sandwich channel 116, only from the first through hole 1151 to the chamber, and then from the third through hole 161 of the second sleeve 160 to the second open end 112.

Further, the first through hole 1151 may be opened in a plurality along the circumferential direction of the second duct 115, and the first through hole 1151 may be a circular hole, a square hole or a long hole, and the specific shape and number thereof are not particularly limited herein. The shape of the stirring shaft 113 may be other than a serpentine shape, and is not particularly limited herein.

In one embodiment, referring to fig. 1 to 3, the stirring device 100 further includes a driving member 170, and an outer wall of the second duct 115 is connected to the driving member 170 through a flat key 171. Specifically, a first key groove 1153 is formed in an outer wall of the second pipe 115, a second key groove (not shown) is formed in a rotating member (not shown) of the driver 170, and the flat key 171 is engaged with the first key groove 1153 and the second key groove, so that the driver 170 and the second pipe 115 are mounted. When the rotating component of the driving component 170 rotates, the second pipeline 115 can be driven to rotate, the first pipeline 114 and the second pipeline 115 rotate simultaneously, and the stirring shaft 113 is driven by the first pipeline 114 to rotate. The first sleeve 150 is disposed on one end of the second sleeve 160, and the other end of the second sleeve 160 may be secured to the driver 170 using fasteners such as screws. Further, the driving member 170 may be a speed reducer, an electric motor, a pneumatic motor, or the like.

In one embodiment, referring to fig. 1, 3 and 5, the stirring shaft 113 is a serpentine pipe with a winding bend. The contact area of the snake-shaped bent pipe and the medium is large, so that the snake-shaped bent pipe is beneficial to contacting more media, the stirring efficiency is improved, and the heating efficiency or the cooling efficiency is improved. The stirring shaft 113 rotates around its rotation axis 1133, and the stirring shaft 113 includes a transverse tube 1134 disposed perpendicular to the rotation axis 1133. Along the length direction of the cross tube 1134, a first spoiler blade 1135 and a second spoiler blade 1136 are installed on the cross tube 1134. The length directions of the first spoiler blade 1135 and the second spoiler blade 1136 are both parallel to the rotation shaft 1133. The second spoiler blade 1136 is disposed between the first spoiler blade 1135 and the rotation shaft 1133. The width direction of the second spoiler blade 1136 and the length direction of the transverse tube 1134 form an acute angle. The width direction of the second spoiler blade 1136 and the width direction of the first spoiler blade 1135 form an included angle. Specifically, the first spoiler blade 1135 and the second spoiler blade 1136 are both rectangular strip-shaped sheet structures, and both include a long side and a wide side. The first spoiler blade 1135 has a length direction as a long side, and a width direction as a wide side.

Taking the transverse pipe 1134 and the second spoiler blade 1136 in fig. 5 as an example, the width direction of the second spoiler blade 1136 in fig. 5 and the length direction of the transverse pipe 1134 form an acute angle, the width direction of the first spoiler blade 1135 is perpendicular to the length direction of the transverse pipe 1134, and two sets of the first spoiler blade 1135 and the second spoiler blade 1136 are arranged on the stirrer 110. When the stirrer 110 rotates clockwise, the fluid between the first spoiler blade 1135 and the second spoiler blade 1136 may pass through the process of narrowing the space from wide to narrow, the local volume is compressed, and the flow speed is increased. According to the bernoulli principle, when the flow velocity of the fluid is increased, the pressure intensity is reduced, the ambient pressure outside the region is unchanged, the fluid can rapidly flow to the wide-mouth part of the included angle formed by the first spoiler blade 1135 and the second spoiler blade 1136 due to the pressure difference to form a local turbulent flow, the rotation direction of the medium in the turbulent flow is opposite to the rotation direction of the stirrer 110, so that the steady state of the unidirectional radial fluid is broken, the diffusion speed of the turbulent flow is accelerated, the mixing efficiency and the mixing quality of the medium are improved, and the temperature of the medium is more uniform. It is understood that a plurality of sets of the first spoiler blades 1135 and the second spoiler blades 1136 may be provided, and the number of the sets is not particularly limited herein. The first spoiler blade 1135 and the second spoiler blade 1136 may also be strip-shaped blades with other shapes.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A stirring device for stirring a medium, comprising:

2. The blending device of claim 1, wherein the blender further comprises a first conduit and a second conduit, the first open end being in communication with the first end through the first conduit and the second end being in communication with the second open end through the second conduit.

3. The mixing device of claim 2, further comprising a first lip seal, wherein the first open end terminates at one end of the first conduit, wherein the first lip seal is disposed at a junction of the first open end and the first conduit, and wherein the other end of the first conduit is sealingly connected to the first end of the mixing shaft.

4. The stirring device of claim 2, further comprising a first sleeve, wherein the first conduit is disposed within the first sleeve, and wherein the first conduit is rotatable within the first sleeve.

5. The stirring device as recited in claim 2, wherein the first pipeline is sleeved in the second pipeline, a sandwich channel is formed between an outer wall of the first pipeline and an inner wall of the second pipeline, and sealing plates are arranged at two ends of the sandwich channel and used for sealing two ends of the sandwich channel; the side wall of the second pipeline is provided with a first through hole and a second through hole, the interlayer channel is communicated with the second opening end through the first through hole, and the second end of the stirring shaft is communicated with the interlayer channel through the second through hole.

6. The mixing device of claim 5, further comprising a second sleeve, a second lip seal, and a third lip seal, wherein the second lip seal and the third lip seal are respectively disposed around the second pipe above and below the first through hole, wherein the second pipe is sleeved in the second sleeve, and wherein the second lip seal and the third lip seal are both mounted in the second sleeve; the outer wall of the second lip-shaped sealing element is tightly attached to the inner wall of the second sleeve, the outer wall of the third lip-shaped sealing element is tightly attached to the inner wall of the second sleeve, and the second pipeline can rotate in the second sleeve.

7. The stirring device as recited in claim 6, wherein the second sleeve is provided with a third through hole, the second opening end is inserted into the third through hole, and the second opening end is communicated with the interlayer channel through the third through hole and the first through hole in sequence.

8. The mixing device of claim 6, wherein the second and third lip seals are of modified Teflon material and the first through hole is a round, square or elongated hole.

9. The mixing device of claim 5, further comprising a drive member, wherein an outer wall of the second conduit is connected to the drive member by a flat key.

10. The stirring device of claim 1, wherein said stirring shaft rotates about its axis of rotation, said stirring shaft comprising a transverse tube disposed perpendicular to said axis of rotation; along the length direction of the transverse pipe, a first spoiler blade and a second spoiler blade are arranged on the transverse pipe; first vortex blade with the length direction of second vortex blade all is on a parallel with the axis of rotation, second vortex blade is located first vortex blade with between the axis of rotation, the width direction of second vortex blade with the length direction of horizontal pipe is the acute angle, the width direction of second vortex blade with the width direction one-tenth contained angle of first vortex blade.