High-shear-force sea-island type nanofiber extraction equipment

Abstract

The utility model provides high-shear-force sea-island type nanofiber extraction equipment, and belongs to mechanical equipment. The high-shear-force sea-island nanofiber extraction equipment comprises a liquid storage tank, an extractor and a waste liquid tank which are sequentially communicated through a pipeline, wherein the extractor comprises a chamber and a motor, and a shearing mechanism driven by the motor is arranged in the chamber; the shearing mechanism comprises a rotating assembly and a blade assembly connected with the rotating assembly; and the axial section of a rotating body formed by the blade assembly in a rotating state is rhombic. According to the high-shear-force sea-island type nanofiber extraction equipment, high shear force and extrusion force can be provided in the extraction process, thorough extraction of sea-island type composite fiber sea facies is achieved, and then the performance of follow-up island phase nanofibers after dispersion and film forming is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical equipment, in particular to a high-shear island type nanofiber extraction equipment. BACKGROUND

[0002] The island nanofiber extraction equipment is a key equipment for the industrialization of nanofibers, and its extraction efficiency directly affects the production efficiency of nanofibers and their derivative products. Currently, the functions of the equipment for industrial use include static water extraction or alcohol extraction, and some are equipped with stirring equipment, but the extraction efficiency is low and the extraction effect is not good.

[0003] In the prior art, the island nanofiber extraction equipment lacks sufficient shear force in the application process, so that the solvent cannot completely enter the inside of the composite fiber to realize the dissolution of the marine phase, and the island phase nanofiber cannot be completely extracted, resulting in residual marine phase in the island phase nanofiber, which affects the dispersion of the subsequent island phase nanofiber and the performance after film formation.

[0004] Therefore, it is necessary to provide a high-shear island type nanofiber extraction equipment to solve the above problems. SUMMARY

[0005] In view of the problems in the background art, the present application provides a high-shear island type nanofiber extraction equipment, which can provide high shear force and extrusion force during the extraction of island nanofibers, and realize the complete extraction of the marine phase of the island type composite fiber.

[0006] The embodiment of the present application provides a high-shear island type nanofiber extraction equipment, which comprises a liquid storage tank, an extractor and a waste liquid tank connected in sequence through pipelines; wherein the extractor comprises a cavity and a motor, and a shearing mechanism driven by the motor is arranged in the cavity; the shearing mechanism comprises a rotating assembly and a blade assembly connected with the rotating assembly; and the axial section of the rotating body formed by the blade assembly in the rotating state is rhombic.

[0007] In the technical scheme of the embodiment of the present application, the solvent in the liquid storage tank enters the cavity through the pipeline, the blade assembly in the cavity rotates around the horizontal axis under the driving of the motor through the rotating assembly, the axial section of the rotating body formed by the blade assembly in the rotating process is rhombic, a large shear force can be generated, and the area of friction and extrusion of the island type composite fiber with the inner wall of the cavity during the rotating process can be increased, so that the probability of friction and extrusion of the island type composite fiber with the inner wall of the cavity is increased, the solvent enters the inside of the fiber to fully dissolve the marine phase. When the marine phase in the solvent reaches the saturation state, the solvent in the cavity is discharged into the waste liquid tank through the pipeline. When the waste liquid is emptied, the solvent in the liquid storage tank enters the cavity again through the pipeline, and the cycle continues until the marine phase in the island type composite fiber is completely extracted.

[0008] In some embodiments, the rotating assembly comprises a rotating shaft horizontally arranged in the middle of the chamber; one end of the rotating shaft is connected with the motor, and the other end is connected with a bearing.

[0009] In this embodiment, the rotating shaft is connected with the motor, the motor can drive the rotating shaft to rotate along its axial direction, and the bearing horizontally fixes the rotating shaft in the middle of the chamber.

[0010] In some embodiments, the blade assembly comprises a first blade and a second blade, the first blade and the second blade are respectively arranged on both sides of the axial direction of the rotating shaft; the first end of the first blade and the second blade is respectively connected with the two ends of the rotating shaft; the second end of the first blade and the second blade is connected with the rotating shaft through a fixing assembly.

[0011] In this embodiment, the first end of the first blade and the second blade is connected with the rotating shaft, and can rotate around the rotating shaft under the driving of the rotating shaft; the second end of the first blade and the second blade is connected with the rotating shaft through the fixing assembly, which can ensure that the two ends of the blade can move synchronously with the rotating shaft.

[0012] In some embodiments, the fixing assembly comprises a first fixing rod and a second fixing rod which are perpendicular to the rotating shaft; the two ends of the first fixing rod are respectively connected with the second end of the first blade and the middle of the second blade, and the two ends of the second fixing rod are respectively connected with the second end of the second blade and the middle of the first blade.

[0013] In this embodiment, the two ends of the first fixing rod are respectively connected with the second end of the first blade and the middle of the second blade, and the two ends of the second fixing rod are respectively connected with the second end of the second blade and the middle of the first blade, which can ensure that the blade will not be broken during high-speed rotation.

[0014] In some embodiments, the distance between the second end of the first blade and the second blade and the inner wall of the chamber is 8-12 mm.

[0015] In this embodiment, the distance between the second end of the first blade and the second blade and the inner wall of the chamber is small, which can generate a larger extrusion force between the island-type composite fiber and the inner wall of the chamber during rotation.

[0016] In some embodiments, the motor is a forward and reverse motor.

[0017] In this embodiment, the first blade and the second blade are driven to rotate forward and backward by the forward and reverse motor, so that the island-type composite fiber is fully mixed with the solution and has a greater probability of friction and extrusion with the inner wall of the chamber.

[0018] In some embodiments, the top end and the bottom end of the chamber are respectively provided with a liquid inlet and a liquid outlet; the liquid outlet is provided with a filtering device.

[0019] In this embodiment, the solvent in the liquid storage tank enters the chamber through the liquid inlet, and after the stirring is completed, the mixed solution is filtered through the filtering device of the liquid outlet, and then the waste liquid dissolved with the marine phase is separated from the sea-island composite fiber dissolved with the marine phase, and is discharged from the liquid outlet.

[0020] In some embodiments, the pipeline includes a first pipeline connecting the liquid inlet and the liquid storage tank, and a second pipeline connecting the liquid outlet and the waste liquid tank; a water inlet pump is arranged on the first pipeline, and a water outlet pump is arranged on the second pipeline.

[0021] In this embodiment, the solvent in the liquid storage tank is pumped into the chamber through the first pipeline by the water inlet pump, and the waste liquid in the chamber is pumped into the waste liquid tank through the second pipeline by the water outlet pump.

[0022] In order to more clearly understand the technical means of the present application, the specific embodiments of the present application can be implemented according to the content of the specification, and in order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings used in the present application. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0024] Figure 1 It is a simulation structure schematic diagram of a high-shear sea-island nanofiber extraction equipment in an embodiment of the present application.

[0025] Figure 2 It is a simulation structure schematic diagram of an extractor of a high-shear sea-island nanofiber extraction equipment in an embodiment of the present application.

[0026] Explanation of reference numerals: 1, liquid storage tank; 2, first pipeline; 3, extractor; 31, motor; 32, chamber; 33, bearing; 341, rotating shaft; 351, first blade; 352, second blade; 361, first fixed rod; 362, second fixed rod; 37, liquid inlet; 38, liquid outlet; 4, second pipeline; 5, waste liquid tank; 6, water inlet pump; 7, water outlet pump. DETAILED DESCRIPTION

[0027] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items.

[0029] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features.

[0030] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, or to an embodiment that is exclusive of other embodiments. It is explicitly understood that the embodiments described herein can be combined with each other, implicitly or explicitly.

[0031] In the description of the embodiments of the present application, the technical terms "left", "right", "top", "bottom", "axial", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0032] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "fixing", etc. should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0033] At present, the extraction of island-type nanofiber has the problem that the solvent cannot completely enter the inside of the composite fiber to realize the complete dissolution of the sea phase, resulting in residual sea phase of the island phase nanofiber, which further affects the dispersion of the island phase nanofiber and the performance after film formation.

[0034] In order to solve the technical problem that the extraction effect of island-type nanofiber is not good, the present application provides a high-shear island-type nanofiber extraction equipment, which can realize that the solution completely enters the inside of the composite fiber, so that the sea phase is completely dissolved.

[0035] The application will be further described below in conjunction with the specific embodiments.

[0036] Please refer to Figure 1 The application provides a high-shear island-type nanofiber extraction device, comprising: a liquid storage tank 1, an extractor 3 and a waste liquid tank 5 connected in sequence through pipelines respectively; wherein the extractor 3 comprises a chamber 32 and a motor 31, and a shearing mechanism driven by the motor 31 is arranged in the chamber 32; the shearing mechanism comprises a rotating assembly and a blade assembly connected with the rotating assembly; and the axial section of a rotating body formed by the blade assembly in a rotating state is rhombic.

[0037] In the above manner, the solvent in the liquid storage tank 1 enters the chamber 32 through the pipeline, the blade assembly in the chamber 32 rotates around the horizontal axis under the driving of the motor through the rotating assembly, the axial section of the rotating body formed by the blade assembly in the rotating process is rhombic, a larger shear force can be generated, and the area of friction and extrusion between the island-type composite fiber and the inner wall of the chamber 32 in the rotating process can be increased, so that the probability of friction and extrusion between the island-type composite fiber and the inner wall of the chamber 32 is increased, the solvent enters the fiber interior to fully dissolve the marine phase. When the marine phase in the solvent reaches a saturated state, the solvent in the chamber 32 is discharged into the waste liquid tank 5 through the pipeline. When the waste liquid is emptied, the solvent in the liquid storage tank 1 enters the chamber 32 again through the pipeline, and the cycle continues until the marine phase in the island-type composite fiber is completely extracted.

[0038] Further, in the embodiment of the application, the rotating assembly comprises a rotating shaft 341 horizontally arranged in the middle of the chamber 32; one end of the rotating shaft 341 is connected with the motor 31, and the other end is connected with a bearing 33.

[0039] In this embodiment, the rotating shaft 341 is connected with the motor 31, the motor 31 can drive the rotating shaft 341 to rotate along its axial direction, and the bearing 33 horizontally fixes the rotating shaft 341 in the middle of the chamber 32.

[0040] Further, in the embodiment of the application, the blade assembly comprises a first blade 351 and a second blade 352, the first blade 351 and the second blade 352 are respectively located on both sides of the axial direction of the rotating shaft 341; the first ends of the first blade 351 and the second blade 352 are respectively connected with both ends of the rotating shaft 341; and the second ends of the first blade 351 and the second blade 352 are connected with the rotating shaft 341 through a fixing assembly.

[0041] In the embodiment, the first ends of the first blade 351 and the second blade 352 are connected with the rotating shaft 341, and can be flipped around the rotating shaft 341 under the driving of the rotating shaft 341; the second ends of the first blade 351 and the second blade 352 are connected with the rotating shaft 341 through the fixing assembly, so that the two ends of the blade can move synchronously with the rotating shaft 341.

[0042] Further, in the embodiment of the present application, the fixing assembly comprises a first fixing rod 361 and a second fixing rod 362 which are perpendicular to the rotating shaft 341; the two ends of the first fixing rod 361 are connected with the second end of the first blade 351 and the middle part of the second blade 352 respectively, and the two ends of the second fixing rod 362 are connected with the second end of the second blade 352 and the middle part of the first blade 351 respectively.

[0043] In the above manner, the two ends of the first fixing rod 361 are connected with the second end of the first blade 351 and the middle part of the second blade 352 respectively, and the two ends of the second fixing rod 362 are connected with the second end of the second blade 352 and the middle part of the first blade 351 respectively, so that the blade will not be broken during high-speed rotation.

[0044] Further, in the embodiment of the present application, the distance between the second ends of the first blade 351 and the second blade 352 and the inner wall of the chamber 32 is 8-12mm.

[0045] In the above manner, the distance between the second ends of the first blade 351 and the second blade 352 and the inner wall of the chamber 32 is small, so that a large extrusion force can be generated between the island-in-sea composite fiber and the inner wall of the chamber 32 during rotation.

[0046] Further, in the embodiment of the present application, the motor 31 is a forward and reverse motor.

[0047] In the above manner, the forward and reverse rotation of the motor 31 drives the first blade 351 and the second blade 352 to rotate forward and backward, so that the island-in-sea composite fiber is fully mixed with the solution, and a greater probability of friction and extrusion with the inner wall of the chamber 32 is generated.

[0048] Further, in the embodiment of the present application, the top end and the bottom end of the chamber 32 are respectively provided with a liquid inlet 37 and a liquid outlet 38; the liquid outlet 38 is provided with a filtering device.

[0049] In the above manner, the solvent in the liquid storage tank 1 enters the chamber 32 through the liquid inlet 37, and after the stirring is completed, the mixed liquid is filtered by the filtering device of the liquid outlet 38, so that the waste liquid dissolved with the sea phase is separated from the island-in-sea composite fiber dissolved with the sea phase, and is discharged from the liquid outlet 38.

[0050] Further, in the embodiment of the present application, the filtering device is a filter screen.

[0051] Further, in the embodiment of the present application, the pipeline includes a first pipeline 2 connecting the liquid inlet 37 and the liquid storage tank 1, and a second pipeline 4 connecting the liquid outlet 38 and the waste liquid tank 5; the first pipeline 2 is provided with a water inlet pump 6, and the second pipeline 4 is provided with a water outlet pump 7.

[0052] In the above manner, the water inlet pump 6 pumps the solvent in the liquid storage tank 1 into the chamber 32 through the first pipeline 2, and the water outlet pump 7 pumps the waste liquid in the chamber 32 into the waste liquid tank 5 through the second pipeline 4.

[0053] The working process of the high-shear island-type nanofiber extraction equipment provided by the present application is roughly as follows:

[0054] The water inlet pump 6 pumps the solvent in the liquid storage tank 1 into the chamber 32 of the extractor 3 through the first pipeline 2, and the first blade 351 and the second blade 352 in the chamber 32 rotate in opposite directions under the driving of the motor 31, and the axial section of the rotating body formed by the first blade 351 and the second blade 352 in the rotating process is rhombic, which can generate a larger shear force and increase the area of friction and extrusion of the island-type composite fiber with the inner wall of the chamber 32 in the rotating process, thereby increasing the probability of friction and extrusion of the island-type composite fiber with the inner wall of the chamber 32, so that the solvent enters the fiber and fully dissolves the marine phase. When the marine phase in the solvent reaches a saturated state, the water outlet pump 7 extracts the solvent inside the chamber 32, passes through the filtering device at the liquid outlet 38, and discharges the solvent containing the marine phase into the waste liquid tank 5 through the second pipeline 4. When the waste liquid in the chamber 32 is exhausted, the water inlet pump 6 pumps the solvent in the liquid storage tank 1 into the chamber 32 through the first pipeline 2, and the cycle continues until the marine phase in the island-type composite fiber is extracted completely.

[0055] It should be noted that the present application is not limited to the above-mentioned embodiments. The above-mentioned embodiments are only examples, and embodiments having the same technical idea and playing the same role and effect within the scope of the technical solution of the present application are all included in the technical scope of the present application. In addition, within the scope of the main idea of the present application, various modifications of the embodiments that can be thought of by those skilled in the art, and other ways constructed by combining part of the constituent elements of the embodiments are also included in the scope of the present application.

Claims

1. A high shear island-in-nanofiber extraction apparatus, comprising: a high shear device; a nanofiber extraction device; and a conduit connecting the high shear device to the nanofiber extraction device. The application relates to a liquid extraction device, which comprises a liquid storage tank, an extractor and a waste liquid tank connected in sequence through a pipeline; wherein the extractor comprises a chamber and a motor, a shearing mechanism driven by the motor is arranged in the chamber; the shearing mechanism comprises a rotating assembly and a blade assembly connected with the rotating assembly; the axial section of a rotating body formed by the blade assembly in a rotating state is in a rhombic shape.

2. The high shear island-in-nanofiber extraction apparatus of claim 1, wherein, The rotating assembly comprises a rotating shaft arranged horizontally in the middle of the chamber; one end of the rotating shaft is connected with the motor, and the other end is connected with a bearing.

3. The high shear island-in-nanofiber extraction apparatus of claim 2, wherein, The blade assembly comprises a first blade and a second blade, the first blade and the second blade are respectively arranged on the two sides of the rotating shaft in an axial direction; the first ends of the first blade and the second blade are respectively connected with the two ends of the rotating shaft; the second ends of the first blade and the second blade are connected with the rotating shaft through a fixing assembly.

4. The high shear island-in-nanofiber extraction apparatus of claim 3, wherein, The fixing assembly comprises a first fixing rod and a second fixing rod which are perpendicular to the rotating shaft; the two ends of the first fixing rod are respectively connected with the second end of the first blade and the middle of the second blade, and the two ends of the second fixing rod are respectively connected with the second end of the second blade and the middle of the first blade.

5. The high shear island-in-nanofiber extraction apparatus of claim 4, wherein, The distance between the second ends of the first blade and the second blade and the inner wall of the chamber is 8-12 mm.

6. The high shear island-in-nanofiber extraction apparatus of claim 1, wherein, The motor is a forward and reverse motor.

7. The high shear island-in-nanofiber extraction apparatus of claim 1, wherein, The top end and the bottom end of the chamber are respectively provided with a liquid inlet and a liquid outlet.

8. The high shear island-in-nanofiber extraction apparatus of claim 7, wherein, The liquid outlet is provided with a filtering device.

9. The high shear island-in-nanofiber extraction apparatus of claim 7, wherein, The pipeline comprises a first pipeline connecting the liquid inlet and the liquid storage tank and a second pipeline connecting the liquid outlet and the waste liquid tank.

10. The high shear island-in-nanofiber extraction apparatus of claim 9, wherein, A water inlet pump is arranged on the first pipeline, and a water outlet pump is arranged on the second pipeline.

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