CN114345510B

CN114345510B - Oil blanket nanometer PVA breaker for fibre production based on cavitation effect

Info

Publication number: CN114345510B
Application number: CN202111588593.4A
Authority: CN
Inventors: 江沐风; 吴登钱; 肖苏萍; 万云辉
Original assignee: Shanghai Tianxin Nanotechnology Co ltd
Current assignee: Shanghai Tianxin Nanotechnology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-12-13
Anticipated expiration: 2041-12-23
Also published as: CN114345510A

Abstract

The invention discloses a crushing device for oil seal nanometer PVA fiber production based on cavitation effect, which comprises an equipment box body, a cavity cavitation cooperative variable-pressure uniform crushing mechanism, a synchronous centrifugal oil seal separation atomization drying mechanism and a transmission refrigeration primary crushing mechanism, wherein a vertical shaft is rotatably arranged in the equipment box body, the cavity cavitation cooperative variable-pressure uniform crushing mechanism is annularly arrayed on the side wall of the vertical shaft, the synchronous centrifugal oil seal separation atomization drying mechanism is arranged on the side wall of the cavity cavitation cooperative variable-pressure uniform crushing mechanism, and the transmission refrigeration primary crushing mechanism is arranged on the upper wall of the equipment box body. The invention belongs to the field of nano material production, and particularly provides a crushing device for oil seal nano PVA fiber production based on cavitation effect, which applies cavitation phenomenon and cavitation effect to efficient and uniform crushing of PVA fiber, and improves the crushing efficiency of nano PVA fiber; the multipurpose principle is applied to oil seal treatment and separation drying of the nano PVA fibers, and the production efficiency of the oil seal nano PVA fibers is improved.

Description

Oil blanket nanometer PVA breaker for fibre production based on cavitation effect

Technical Field

The invention belongs to the field of nano material production, and particularly relates to a crushing device for oil seal nano PVA fiber production based on a cavitation effect.

Background

In the development of modified concrete, PVA fiber has good affinity and bridging effect with cement, and has good mechanical property and durability, and can generate certain slippage in the bridging process to enable fiber concrete to have strain hardening performance, so that the PVA fiber is widely used in concrete with flexibility requirement, but the PVA fiber diameter doped in the concrete at present is about 30 μm mostly, the fiber size is larger, the specific surface area of the fiber in the concrete is smaller, the bridging capability of the fiber can not be fully exerted, the total doping amount of the fiber is larger, the concrete production process is more difficult and the production cost is higher, and the nano PVA fiber after oil treatment can effectively solve the problems.

In the prior art, the electrostatic spinning mode is mostly adopted for producing the nano fibers by the organic polymer, but the produced nano fibers are in a continuous state, the fiber length is too long, the nano fibers can be used for modifying concrete by further crushing, the mechanical crushing mode cannot meet the nano-scale requirement, the size distribution is dispersed, a crushing and oil sealing integrated device for producing the nano PVA fibers is absent at present, uniform graded crushing of the electrostatic spinning nano PVA fibers can be realized, meanwhile, the oil treatment can be synchronously completed by means of the graded crushing process, and the aims of drying and dispersing the treated oil sealing nano PVA fibers are fulfilled.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides a crushing device for oil seal nano PVA fiber production based on cavitation effect, which applies the air pressure and hydraulic structure principle (air and hydraulic technology is used for replacing common system elements or functions) and the cavitation effect of ultrasonic waves (the dynamic process of growth and collapse when micro gas nuclear cavitation bubbles in liquid vibrate under the action of sound waves and sound pressure reaches a certain value) to the efficient and uniform crushing of PVA fiber, creatively arranges a cavity cavitation cooperative variable pressure uniform crushing mechanism, adopts chemical fiber oiling agent as a crushing medium, provides more gas media for the ultrasonic cavitation process by combining the modes of pressurizing dissolved air and reducing cavity explosion, provides raw materials for oil seal treatment and obviously improves the crushing efficiency of nano PVA fiber; with the application of versatility principle (making an object possess the multinomial function) and porous material principle (making the object become porous, perhaps use supplementary porous part) to the oil blanket of nanometer PVA fibre and handle and separate in dry, set up synchronous centrifugal oil blanket separation atomizing drying mechanism ingeniously, effectively solved the technical problem that is difficult to the dispersion after the fibre finish is handled, promoted oil blanket nanometer PVA fibre production efficiency, reduced the cost that nanometer PVA fibre oil blanket was handled.

The technical scheme adopted by the invention is as follows: the scheme provides a crushing device for oil seal nanometer PVA fiber production based on cavitation effect, which comprises an equipment box body, a cavity cavitation cooperative variable-pressure uniform crushing mechanism, a synchronous centrifugal oil seal separation atomization drying mechanism and a transmission refrigeration primary crushing mechanism, wherein a vertical shaft is arranged in the center of the equipment box body in a rotating mode, the cavity cavitation cooperative variable-pressure uniform crushing mechanism is arranged on the side wall of the vertical shaft in an annular array mode, the synchronous centrifugal oil seal separation atomization drying mechanism is arranged on the side wall, far away from the vertical shaft, of the cavity cavitation cooperative variable-pressure uniform crushing mechanism, the transmission refrigeration primary crushing mechanism is fixedly arranged on the upper wall of the outer part of the equipment box body, the transmission refrigeration primary crushing mechanism, the cavity cavitation cooperative variable-pressure uniform crushing mechanism and the synchronous centrifugal oil seal separation atomization drying mechanism are sequentially connected in a through mode, the cavity cavitation cooperative variable-pressure uniform crushing mechanism applies the cavitation effect of air pressure, hydraulic structure principle and ultrasonic wave to the efficient uniform crushing of PVA fibers, chemical fiber oil is used as a crushing agent, more gas media are provided for the ultrasonic cavitation process by combining the cavitation gas pressurization, the cavity explosion and oil seal separation drying mechanism, the centrifugal oil seal separation drying mechanism applies the centrifugal oil seal to the PVA fiber to the ultrasonic oil seal separation drying mechanism, the ultrasonic oil seal for extracting the nano fiber, the centrifugal oil seal drying mechanism and the ultrasonic drying mechanism, the ultrasonic drying process of the ultrasonic oil seal. The technical problem that the fiber oil is difficult to disperse after treatment is effectively solved, the production efficiency of oil seal nano PVA fibers is improved, and the cost of nano PVA fiber oil seal treatment is reduced; the cavity cavitation cooperative variable-pressure uniform crushing mechanism comprises a variable-pressure air-increasing cavitation reaction box, an ultrasonic cavitation generating device and a low-temperature oil circuit circulating device, wherein the variable-pressure air-increasing cavitation reaction box is annularly arrayed on the side wall of a vertical shaft, the ultrasonic cavitation generating device is respectively arranged on the lower wall of the variable-pressure air-increasing cavitation reaction box in a penetrating manner, the low-temperature oil circuit circulating device is arranged on the side wall of the variable-pressure air-increasing cavitation reaction box, the synchronous centrifugal oil seal separation and atomization drying mechanism comprises a centrifugal oil seal separation and filtration device and an ultrasonic atomization drying and dispersion device, the centrifugal oil seal separation and filtration device is arranged on the side wall of the variable-pressure air-increasing cavitation reaction box in a penetrating manner and far away from the vertical shaft, the ultrasonic atomization drying and dispersion device is arranged on the side wall of the centrifugal oil seal separation and filtration device in a penetrating manner, the conveying freezing primary crushing mechanism comprises a conveying box, a counter-jet freezing device and a multi-layer rotary-cutting centrifugal dispersion device, the conveying box is fixedly arranged on the upper wall of an equipment box, the counter-jet freezing device penetrates through the side wall of the conveying box, the multi-layer rotary-cutting centrifugal dispersion device is arranged on the upper end of the vertical shaft, and the rotary-jet freezing device in a penetrating manner, and the rotary-jet centrifugal-jet cavitation reaction box are sequentially connected with the variable-pressure air-jet cavitation reaction box.

Wherein, the pressure-changing and gas-increasing cavitation reaction box comprises a cavitation crushing reaction box, a pressure regulating component and a liquid circulation auxiliary crushing component, the pressure regulating component is fixedly arranged on the side wall of the vertical shaft, the cavitation crushing reaction box is arranged at the end part of the pressure regulating component far away from the vertical shaft in a run-through manner, the liquid circulation auxiliary crushing component is fixedly arranged in the cavitation crushing reaction box, the upper wall of the cavitation crushing reaction box is provided with a nano-fiber receiving groove in a run-through manner, the nano-fiber receiving groove is connected with the multi-layer rotary-cutting centrifugal dispersing device in a run-through manner, a cross beam is arranged above the side wall in the cavitation crushing reaction box, the center of the upper wall of the cross beam is fixedly provided with a receiving groove sealing electric push rod, the upper end of the receiving groove sealing electric push rod is fixedly provided with a receiving groove sealing plate, the receiving groove sealing plate is arranged below the nano-fiber receiving groove, and the interior of the cavitation crushing reaction box is filled with chemical fiber oil agent, the pressure adjusting assembly comprises a pressure adjusting cylinder, a pressure adjusting electric push rod and a pressure adjusting plate, the end part of the pressure adjusting cylinder is fixedly arranged on the side wall of the vertical shaft, the end part of the pressure adjusting cylinder far away from the vertical shaft is communicated with the cavitation crushing reaction box, the pressure adjusting electric push rod is fixedly arranged on the side wall of the vertical shaft, the pressure adjusting plate is fixedly arranged on the end part of the pressure adjusting electric push rod, the pressure adjusting plate is slidably attached inside the pressure adjusting cylinder, the liquid circulation auxiliary crushing assembly comprises a side wall liquid flow machine and an axis liquid flow machine, the annular array of the side wall liquid flow machine is arranged on the side wall inside the cavitation crushing reaction box, the axis liquid flow machine is rotatably arranged in the center of the lower wall of the cross beam, the side wall liquid flow machine comprises a side wall stirring fan and a side wall liquid flow motor, and the side wall liquid flow motor is fixedly arranged on the side wall inside the cavitation crushing reaction box, the output ends of the side wall stirring fan and the side wall liquid flow motor are coaxially and fixedly connected, the axis liquid flow machine comprises an axis liquid flow motor and an axis liquid flow fan, the axis liquid flow motor is fixedly arranged on the lower wall of the cross beam, the axis liquid flow fan is rotatably arranged on the bottom wall inside the cavitation crushing reaction box, and the output ends of the axis liquid flow fan and the axis liquid flow motor are coaxially and fixedly connected; when the device operates, the pressure adjusting assembly firstly pressurizes the inside of the cavitation and crushing reaction box, the closed electric push rod of the receiving groove pushes the sealing plate of the receiving groove to move, the upper wall of the sealing plate of the receiving groove is tightly attached to the lower end of the receiving groove for nanofibers, so that a closed space is formed inside the cavitation and crushing reaction box, the pressure adjusting electric push rod extends to drive the pressure adjusting plate to move along the inner wall of the pressure adjusting cylinder, the inner volume of the cavitation and crushing reaction box is reduced, the pressure of chemical fiber oiling agents and air inside the cavitation and crushing reaction box is increased, more air is dissolved in the chemical fiber oiling agents, and a power source is added for the subsequent ultrasonic cavitation and cavity explosion and crushing processes.

Further, the ultrasonic cavitation generating device comprises an ultrasonic generator and an ultrasonic probe, the ultrasonic generator is fixedly arranged on the lower wall outside the cavitation and fragmentation reaction box, the ultrasonic probe penetrates through the bottom wall of the cavitation and fragmentation reaction box, and the end part of the ultrasonic probe is arranged inside the cavitation and fragmentation reaction box; when PVA fiber crushing is started, the upper wall of a sealing plate of the receiving groove is still tightly attached to the lower end of a receiving groove for nano fibers, the inside of a cavitation crushing reaction box is a closed space, a pressure adjusting electric push rod contracts to drive a pressure adjusting plate to move along the inner wall of a pressure adjusting cylinder, so that the volume of the inside of the cavitation crushing reaction box is increased, the chemical fiber oiling agent and the air pressure in the cavitation crushing reaction box are reduced, the chemical fiber oiling agent generates a cavitation phenomenon and releases a large amount of micro bubbles, an ultrasonic generator transmits ultrasonic signals to an ultrasonic probe, the ultrasonic probe emits ultrasonic waves, the ultrasonic waves are transmitted in the cavitation crushing reaction box, the chemical fiber oiling agent generates a cavitation effect and generates a large amount of micro bubbles, and the micro bubbles generated by the cavitation effect jointly generate a bursting phenomenon and tear and crush the PVA fibers near the micro bubbles.

Preferably, the conveying box comprises a fiber placing channel and a fiber conveying belt, the fiber placing channel is fixedly arranged on the upper wall of the equipment box body, the fiber conveying belt is symmetrically arranged on the upper wall and the lower wall inside the fiber placing channel, the opposite-spraying freezing device comprises an opposite-spraying freezing cylinder, a liquid nitrogen storage tank and a freezing opposite-spraying component, the opposite-spraying freezing cylinder is fixedly arranged on the upper wall of the equipment box body in a penetrating manner, the opposite-spraying freezing cylinder is fixedly connected with the fiber placing channel in a penetrating manner, the liquid nitrogen storage tank is fixedly arranged on the upper wall of the equipment box body, the freezing opposite-spraying component is fixedly arranged on the side wall of the opposite-spraying freezing cylinder in a penetrating manner, the freezing opposite-spraying component comprises a freezing crushing conveying pipe and a freezing crushing nozzle, the freezing crushing nozzle is symmetrically arranged on the side wall of the opposite-spraying freezing cylinder in a penetrating manner, the freezing crushing conveying pipe is arranged on the side wall of the liquid nitrogen storage tank in a penetrating manner, the end, far away from the liquid nitrogen storage tank, is connected with the freezing crushing nozzle in a penetrating manner, the middle of the freezing crushing conveying pipe is provided with a freezing crushing solenoid valve, and the freezing crushing liquid nitrogen solenoid valve is electrically connected with the fiber conveying belt; after an operator puts untreated PVA fiber yarn rolls into a fiber placing channel, a fiber conveying belt runs and drives the PVA fiber yarn rolls to move, a freezing and crushing liquid nitrogen electromagnetic valve is opened, liquid nitrogen in a liquid nitrogen storage tank is sprayed out through a freezing and crushing conveying pipe and a freezing and crushing spray head, and after the PVA fiber yarn rolls enter a spraying and freezing cylinder body, the liquid nitrogen quickly cools the PVA fiber yarn rolls so that the brittleness of the PVA fiber yarn rolls is enhanced.

Preferably, the low-temperature oil path circulating device comprises a liquid nitrogen coupling conveying assembly and a liquid nitrogen cooling assembly, the liquid nitrogen coupling conveying assembly is slidably sleeved on the outer side wall of the opposite-spraying freezing cylinder body, the liquid nitrogen cooling assembly is fixedly arranged on the side wall of the cavitation and fragmentation reaction box, the liquid nitrogen coupling conveying assembly comprises an oil path cooling conveying pipe and a conveying pipe supporting lifting frame, the conveying pipe supporting lifting frame is slidably sleeved on the outer side wall of the opposite-spraying freezing cylinder body, the oil path cooling conveying pipe is arranged on the upper wall of the conveying pipe supporting lifting frame, the end part of the oil path cooling conveying pipe penetrates through the side wall of the liquid nitrogen storage tank, a conveying pipe lifting electric push rod is arranged on the lower wall, close to the opposite-spraying freezing cylinder body, of the conveying pipe lifting electric push rod, the end part of the conveying pipe lifting electric push rod is fixedly connected with the upper wall of the equipment box body, a conveying coupling spray nozzle is arranged in an annular array on the end part, far away from the opposite-spraying freezing cylinder body, of the oil path cooling conveying lifting frame is respectively communicated with the liquid nitrogen conveying coupling nozzle, and a liquid nitrogen cooling solenoid valve is arranged in the middle part of the oil path cooling lifting frame; the liquid nitrogen cooling assembly comprises an oil path circulating pipe, an oil path circulating pump, a liquid nitrogen cooling box and an oil path cooling spray pipe, wherein the liquid nitrogen cooling box is fixedly arranged on the side wall of the cavitation and crushing reaction box, two ends of the oil path circulating pipe are respectively arranged on the side wall of the cavitation and crushing reaction box in a penetrating manner, the oil path circulating pump is arranged in the liquid nitrogen cooling box, the oil path circulating pump is fixedly arranged on the side wall of the cavitation and crushing reaction box, the oil path circulating pump is arranged in the middle of the oil path circulating pipe in a penetrating manner, the oil path cooling spray pipe is arranged on the upper wall of the liquid nitrogen cooling box in a penetrating manner, the upper end of the oil path cooling spray pipe is arranged on the upper wall of an equipment box body in a penetrating manner, the lower end of the oil path cooling spray pipe is provided with an oil path cooling spray head in a penetrating manner, the upper end of the oil path cooling spray pipe is provided with a nitrogen injection coupling groove, the liquid nitrogen conveying coupling spray head is arranged above the motion track of the nitrogen injection coupling groove, and the oil path cooling electromagnetic valve is electrically connected with the oil path cooling spray pipe; when the oil-way circulating pump is started, the chemical fiber oil in the oil-way circulating pipe is driven to flow, so that the chemical fiber oil in the cavitation and crushing reaction box generates microcirculation, the conveying pipe lifting electric push rod pushes the conveying pipe supporting lifting frame to move downwards, the liquid nitrogen conveying coupling spray head and the oil-way cooling conveying pipe move downwards, after the liquid nitrogen conveying coupling spray head is inserted into the nitrogen injection coupling groove and tightly attached to each other, the conveying pipe lifting electric push rod stops running, the oil-way cooling liquid nitrogen electromagnetic valve is opened, liquid nitrogen in the liquid nitrogen storage tank is released and conveyed to the oil-way cooling spray pipe along the oil-way cooling conveying pipe, the liquid nitrogen conveying coupling spray head and the nitrogen injection coupling groove, and is sprayed to the oil-way circulating pipe through the oil-way cooling spray head, the oil-way cooling spray head cools the oil-way circulating pipe, so that the chemical fiber oil flowing in the oil-way circulating pipe is cooled, the chemical fiber oil in the cavitation and crushing reaction box is kept in a low-temperature state, the brittleness of PVA fibers is enhanced through the low-temperature chemical fiber oil, and the PVA fibers are easier to be crushed in the pressure ultrasonic cavitation process.

Further, the centrifugal oil seal separation and filtration device comprises a semi-permeable filtration collection component and a centrifugal oil liquid relay return component, the semi-permeable filtration collection component is arranged on the side wall of the cavitation and fragmentation reaction box, the centrifugal oil liquid relay return component is arranged on the side wall of the semi-permeable filtration collection component, the semi-permeable filtration collection component comprises a semi-permeable filtration tube and a spiral lifting and conveying auger, the semi-permeable filtration tube is arranged on the side wall of the cavitation and fragmentation reaction box far away from the vertical shaft in a penetrating manner, the spiral lifting and conveying auger is arranged inside the semi-permeable filtration tube in a rotating manner, the side wall of the semi-permeable filtration tube far away from the cavitation and fragmentation reaction box is provided with a semi-permeable filtration wall, the surface array of the semi-permeable filtration wall is provided with oiling agent centrifugal through holes in a penetrating manner, semi-permeable glassine passes through the oiling agent centrifugal through holes, and a lifting power plate is arranged above the inner side wall of the semi-permeable filtration tube, the central authorities of lift power board run through and are equipped with worm coupling screw, semi-permeable cartridge filter lateral wall top runs through and is equipped with the fibre and collects the through-hole, spiral lift conveying auger includes conveying auger axle and auger power motor, conveying auger axle rotates and locates the inside diapire of semi-permeable cartridge filter, conveying auger axle rotates and locates inside the worm coupling screw, auger power motor fixes and locates the inside upper wall of semi-permeable cartridge filter, conveying auger axle is coaxial fixed nanofiber tray, helical blade, finish sealed dish, lift power worm and fibre in proper order from bottom to top and collects power gear, nanofiber tray and semi-permeable cartridge filter inside lateral wall below slip laminating, the helical blade outside and semi-permeable cartridge filter inside wall middle part slip laminating, sealed dish finish and semi-permeable cartridge filter inside wall top slip laminating, the lifting power worm is meshed with the inner side wall of the worm coupling screw hole, a auger driving gear is coaxially and fixedly arranged at the output end of the auger power motor, and the auger driving gear is meshed with the fiber collection power gear; the semi-permeable glass paper allows chemical fiber oil to pass through, the nano PVA fiber is filtered, the oil sealing disc seals the upper part of the semi-permeable filter cylinder, and a closed space is provided for the pressure-variable air-increasing cavitation reaction box.

Preferably, the centrifugal oil relay return assembly comprises a centrifugal oil agent temporary storage tank, an oil agent return pump and an oil agent return pipe, the centrifugal oil agent temporary storage tank is arranged on the side wall of the semi-permeable filter cartridge, the semi-permeable filter wall is arranged at the joint of the centrifugal oil agent temporary storage tank and the semi-permeable filter cartridge, the oil agent return pump is arranged on the lower wall outside the centrifugal oil agent temporary storage tank, the oil agent return pipe is arranged on the lower wall outside the centrifugal oil agent temporary storage tank and the cavitation and crushing reaction tank, the centrifugal oil agent temporary storage tank, the oil agent return pump, the oil agent return pipe and the cavitation and crushing reaction tank are sequentially connected in a penetrating manner, and a one-way oil filling hole is formed in the upper wall of the centrifugal oil agent temporary storage tank; when centrifugal operation is carried out on the centrifugal oil seal separation and filtration device, the semi-permeable glass paper blocks and filters broken nano PVA fibers, the nano PVA fibers are gathered in the semi-permeable filter cylinder, chemical fiber oiling agents enter the centrifugal oiling agent temporary storage box through the oiling agent centrifugal through hole and the semi-permeable glass paper, after most of the chemical fiber oiling agents in the cavitation and breakage reaction box enter the centrifugal oiling agent temporary storage box, the auger power motor is started to drive the auger driving gear to rotate to drive the fiber collection power gear to rotate, the conveying auger shaft rotates to drive the nano fiber tray, the helical blade, the oiling agent sealing disc and the lifting power worm to rotate, when the lifting power worm rotates in the worm coupling screw hole, the conveying auger shaft is lifted, when the lifting power worm is lifted above the lifting power plate, the lower wall of the oiling agent sealing disc is lifted above the fiber collection through hole, the helical blade drives the nano PVA fibers to lift, separation of the nano PVA fibers is finished, after the centrifugation is finished, the oiling agent return pump runs to enable the chemical fiber holes in the centrifugal oiling agent storage box to return to the cavitation and breakage reaction box through the semi-permeable glass paper, and the semi-permeable glass paper is prevented from blocking the chemical fiber temporary storage box by the semi-permeable glass paper through negative pressure regulation electric push rod.

As a further preferred aspect of the present invention, the ultrasonic atomizing, drying and dispersing device includes an atomizing and dispersing box, an ultrasonic atomizing sheet and an airflow dispersing assembly, the atomizing and dispersing box is fixedly disposed on an upper wall of the centrifugal oil agent temporary storage box, the ultrasonic atomizing sheet is fixedly disposed on a side wall of the atomizing and dispersing box in an array manner, the airflow dispersing assembly is disposed on an inner side wall of the atomizing and dispersing box, the atomizing and dispersing box is connected to the semipermeable filter cartridge through a fiber collecting through hole, a condensate guiding inclined plate and a condensate collecting semi-through hole are disposed on an inner bottom wall of the atomizing and dispersing box, the condensate collecting semi-through hole is disposed on a bottom wall of the atomizing and dispersing box close to the filter cartridge, a material taking sealing cover plate is rotatably disposed on the upper wall of the atomizing and dispersing box, the ultrasonic atomizing sheet is electrically connected to the ultrasonic generator, the airflow dispersing assembly includes a colliding turbulence blade and a turbulence motor, the turbulence motor is symmetrically disposed on an inner opposite side wall of the atomizing and dispersing box, and the colliding turbulence blade is coaxially and fixedly connected to an output end of the turbulence motor; when the nanometer PVA fiber rises to the fiber collection through hole along the conveying auger shaft, the nanometer PVA fiber is thrown into the atomization dispersion box under the centrifugal action, after the centrifugal operation is finished, the ultrasonic generator acts to enable the ultrasonic atomization sheet to send ultrasonic waves, the ultrasonic atomization sheet quickly atomizes redundant chemical fiber oiling agents remained on the surface of the nanometer PVA fiber and completes oil sealing and drying, the turbulent motor drives the clash turbulent flow blades to rotate, the dried oil sealing nanometer PVA fiber is dispersed, the redundant chemical fiber oiling agents after atomization are attached to the inner wall of the atomization dispersion box, and the semi-permeable holes are collected by the condensation oiling agent guide inclined plate and the condensation oiling agent to permeate into the centrifugal temporary storage box.

Furthermore, the multilayer rotary-cut centrifugal dispersing device comprises a high-speed rotary-cut crushing assembly, a rotary receiving cavity and a horizontal dispersing pipe, wherein the rotary receiving cavity is fixedly arranged at the upper end of the vertical shaft, the upper wall of the rotary receiving cavity is rotationally connected with the opposite-spraying freezing cylinder, the high-speed rotary-cut crushing assembly is arranged on the upper wall inside the rotary receiving cavity, the high-speed rotary-cut crushing assembly is arranged below the freezing opposite-spraying assembly, the annular array of the horizontal dispersing pipe penetrates through the side wall of the rotary receiving cavity, the end part, far away from the rotary receiving cavity, of the horizontal dispersing pipe is communicated with the upper end of the nanofiber receiving groove, the high-speed rotary-cut crushing assembly comprises a rotary-cut motor and rotary-cut crushing auxiliary blowing blades, the annular array of the rotary-cut motor is fixedly arranged on the upper wall inside the rotary receiving cavity, and the rotary-cut crushing auxiliary blowing blades are coaxially and fixedly connected with the output end of the rotary-cut motor; the PVA fiber reel that cools down through freezing broken shower nozzle drops along spouting freezing barrel inside, and the broken supplementary blade of blowing of rotary-cut motor drive rotates, and when the broken supplementary blade of blowing of rotary-cut was passed through to the PVA fiber reel, the PVA fiber reel was tentatively cut broken and dropped to rotating and receives the inside diapire of intracavity, and the dispersion motion is intraductal to horizontal dispersion under the blowing effect of the broken supplementary blade of blowing of rotary-cut to the PVA fiber after the breakage.

Preferably, a crushing and separating base is coaxially and fixedly arranged at the middle lower part of the vertical shaft, the cavitation crushing reaction box, the semi-permeable filter cartridge and the centrifugal oil temporary storage box are sequentially and fixedly arranged on the upper wall of the crushing and separating base from the vertical shaft from near to far, a magnetic absorption speed reducing block is arranged at the end part, far away from the vertical shaft, of the crushing and separating base, a centrifugal power gear is coaxially and fixedly arranged at the lower end of the vertical shaft, a centrifugal power motor is arranged at the bottom wall inside the equipment box body, a centrifugal driving gear is coaxially and fixedly arranged at the output end of the centrifugal power motor, the centrifugal driving gear is meshed with the centrifugal power gear, a transparent material taking cover is arranged on the annular array of the upper wall of the equipment box body, a static-position magnetic block is arranged on the annular array of the side wall of the inner wall of the equipment box body, and the static-position magnetic block is arranged in the motion plane of the magnetic absorption speed reducing block; after the primarily cut and crushed PVA fibers fall to the bottom wall of the inner part of the rotating receiving cavity, a centrifugal power motor drives a centrifugal driving gear to rotate to drive a centrifugal power gear to rotate, so that a vertical shaft rotates, the vertical shaft drives a crushing and separating base to rotate, so that a variable-pressure air-increasing cavitation reaction box synchronously rotates, the primarily cut and crushed PVA fibers move in a horizontal dispersion tube under the action of centrifugal force and enter the cavitation crushing reaction box through a nano-fiber receiving groove, the centrifugal power motor stops running, the variable-pressure air-increasing cavitation reaction box ultrasonically crushes the primarily cut and crushed PVA fibers, when the nano-PVA fibers are crushed, the nano-PVA fibers are centrifugally separated, the centrifugal power motor drives the vertical shaft to rotate, so that the variable-pressure air-increasing cavitation reaction box, a centrifugal oil seal separation and filtration device and an ultrasonic atomization drying and dispersing device synchronously rotate, the nanometer PVA fiber is separated under the centrifugal action, when the centrifugal power motor stops running, the magnetic absorption speed reducing block continuously passes through the side edge of the static position magnetic block, the static position magnetic block and the magnetic absorption speed reducing block attract each other, so that the centrifugal oil liquid relay return assembly drives the crushing separation base and the vertical shaft to continuously reduce the speed, when the rotating speed of the vertical shaft is slow, the magnetic absorption speed reducing block passes through the side edge of the static position magnetic block again, the rotating inertia force of the vertical shaft is not enough to resist the attraction force between the static position magnetic block and the magnetic absorption speed reducing block, so that the vertical shaft is gradually static, when the vertical shaft is static, the distance between the magnetic absorption speed reducing block and the static position magnetic block is nearest, the nitrogen injection coupling groove is static below the liquid nitrogen conveying coupling nozzle, and the material taking sealing cover plate is static below the transparent material taking cover.

The invention with the structure has the following beneficial effects:

(1) The cavitation cooperative variable-pressure uniform crushing mechanism applies the cavitation effect of ultrasonic waves to the efficient uniform crushing of PVA fibers, the ultrasonic waves are used for enabling a crushing medium to generate the cavitation effect and generate a large number of micro bubbles, the micro bubbles generate a bursting phenomenon and tear and crush the PVA fibers near the micro bubbles, and the technical problem that the nano PVA fibers are difficult to uniformly crush is effectively solved;

(2) The pressure-changing gas-increasing cavitation reaction box applies the pressure-increasing dissolved gas and the pressure-reducing cavity explosion expansion to the storage and the auxiliary crushing of micro bubbles, provides more gas media for the ultrasonic cavitation process, enhances the ultrasonic cavitation degree, and obviously improves the crushing efficiency of the nano PVA fiber;

(3) The chemical fiber oiling agent is used as a crushing medium, and the chemical fiber oiling agent is used for sealing oil on the surface of the nano PVA fiber, so that the material waste generated in the fiber crushing process is obviously reduced, the drying procedure before fiber oil sealing treatment is saved, and the cost of nano PVA fiber oil sealing treatment is reduced;

(4) The nano PVA fibers are subjected to cooling treatment by the spraying and freezing device and the low-temperature oil circuit circulating device, so that the brittleness of the nano PVA fibers is improved, and the nano PVA fibers are easier to break;

(5) The synchronous centrifugal oil seal separation atomization drying mechanism applies the porous material principle to the separation and drying of the nano PVA fiber, and adopts a semi-permeable membrane material to separate and extract the nano PVA fiber, so that the filtration completeness of the nano PVA fiber is improved;

(6) The ultrasonic atomization drying and dispersing device is used for drying and dispersing the separated and extracted nano PVA fibers by an ultrasonic atomization principle, so that the technical problem that the fibers are difficult to disperse after being treated by fiber oiling agents is effectively solved, and the production efficiency of the oil seal nano PVA fibers is improved;

(7) The static position magnetic block and the magnetic absorption speed reduction block reduce the speed of the counter shaft, and meanwhile, the nitrogen injection coupling tank is static below the liquid nitrogen conveying coupling spray head and the material taking sealing cover plate is static below the transparent material taking cover without electronic positioning.

Drawings

FIG. 1 is a schematic structural diagram of a crushing device for oil seal nano PVA fiber production based on cavitation effect, which is provided by the invention;

FIG. 2 is a schematic structural diagram of the interior of the equipment cabinet according to the present invention;

FIG. 3 is a schematic structural view of a vertical shaft and a centrifugal power motor according to the present invention;

FIG. 4 is a schematic view of a crushing separating base according to the present invention;

FIG. 5 is a side sectional view of the cavitation cooperative variable pressure uniform crushing mechanism and the synchronous centrifugal oil seal separation atomization drying mechanism provided by the invention;

FIG. 6 is a schematic cross-sectional structural view of a cavitation cooperative variable pressure uniform crushing mechanism according to the present invention;

FIG. 7 is a schematic structural diagram of a liquid nitrogen coupling conveying assembly and a counter-jet freezing device according to the present invention;

FIG. 8 is a schematic cross-sectional view of the centrifugal oil seal separation atomization drying mechanism of the invention;

fig. 9 is a side sectional view of a transfer freeze primary crusher mechanism according to the present invention.

Wherein, 1, an equipment box body, 11, a vertical shaft, 111, a crushing and separating base, 1110, a magnetic absorption speed reducing block, 112, a centrifugal power gear, 12, a centrifugal power motor, 121, a centrifugal driving gear, 13, a transparent material taking cover, 14, a static position magnetic block, 2, a cavity cavitation cooperative type pressure-changing uniform crushing mechanism, 21, a pressure-changing air-increasing cavitation reaction box, 211, a cavitation crushing reaction box, 2110, a nanofiber receiving groove, 2111, a cross beam, 2112, a receiving groove sealing electric push rod, 2113, a receiving groove sealing plate, 212, a pressure adjusting component, 2120, a pressure adjusting cylinder, 2121, a pressure adjusting electric push rod, 2122, a pressure adjusting plate, 213, a liquid circulation auxiliary crushing component, 2130, a side wall liquid flow machine, 2131, an axis liquid flow machine, 2132, a side wall stirring fan, 2133, a side wall liquid flow motor, 2134, an axis liquid flow motor, 2135, an axis liquid flow fan, 22 and an ultrasonic cavitation generating device, 221, an ultrasonic generator, 222, an ultrasonic probe, 23, a low-temperature oil circuit circulating device, 231, a liquid nitrogen coupling conveying assembly, 2310, an oil circuit cooling conveying pipe, 2311, a conveying pipe supporting lifting frame, 2312, a conveying pipe lifting electric push rod, 2313, a liquid nitrogen conveying coupling spray head, 2314, an oil circuit cooling liquid nitrogen electromagnetic valve, 232, the liquid nitrogen cooling assembly, 2320, an oil circuit circulating pipe, 2321, an oil circuit circulating pump, 2322, a liquid nitrogen cooling box, 2323, an oil circuit cooling spray pipe, 2324, an oil circuit cooling spray head, 2325, a nitrogen injection coupling groove, 3, a synchronous centrifugal oil seal separation and atomization drying mechanism, 31, a centrifugal oil seal separation and filtration device, 311, a semi-permeable filtration and collection assembly, 3110, a semi-permeable filtration cylinder, 3111, a spiral lifting conveying auger, 3112, a semi-permeable filtration wall, 3113, an oil agent centrifugal through hole, 3114, semi-permeable glass paper, 3115, a lifting power plate, 3116 and a worm coupling screw hole, 3117. fiber collecting through hole 3118, conveying auger shaft 3119, auger power motor 3120, nano fiber tray 3121, helical blade 3122, oil sealing disc 3123, lifting power worm 3124, fiber collecting power gear 3125, auger driving gear 313, centrifugal oil liquid relay return assembly 3130, centrifugal oil liquid temporary storage box 3131, oil liquid return pump 3132, oil liquid return tube 3133, one-way oil filling hole, 32, ultrasonic atomizing, drying and dispersing device 321, atomizing and dispersing box 3210, condensed oil liquid guiding inclined plate 3211, condensed oil liquid collecting semi-through hole 3212, sealing cover plate 321322, ultrasonic atomizing sheet 3212, gas flow dispersing assembly 3230, impinging turbulent blade, turbulent flow motor 412, conveying freezing primary crushing mechanism 41, conveying box 411, fiber placing channel, 412, fiber conveying belt 42, opposing-spraying freezing device 421, opposing-spraying cylinder 422, storage tank 423, liquid nitrogen opposing-spraying assembly, 4230, conveying pipe 4231, rotary-cutting, freezing dispersion nozzle 4232, rotary-cutting, freezing dispersion device 4310, rotary-cutting, freezing dispersion-cutting and rotary-cutting and auxiliary-cutting and rotary-crushing device 4311.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in figures 1-9, the crushing device for oil seal nanometer PVA fiber production based on cavitation effect provided by the present scheme comprises an equipment box body 1, a cavity cavitation cooperative variable pressure uniform crushing mechanism 2, a synchronous centrifugal oil seal separation atomization drying mechanism 3 and a transmission refrigeration primary crushing mechanism 4, wherein the vertical shaft 11 is rotatably arranged at the center inside the equipment box body 1, an annular array of the cavity cavitation cooperative variable pressure uniform crushing mechanism 2 is arranged on the side wall of the vertical shaft 11, the synchronous centrifugal oil seal separation atomization drying mechanism 3 is arranged on the side wall of the cavity cavitation cooperative variable pressure uniform crushing mechanism 2 far away from the vertical shaft 11, the transmission refrigeration primary crushing mechanism 4 is fixedly arranged on the upper wall outside the equipment box body 1, the transmission refrigeration primary crushing mechanism 4, the cavity cavitation cooperative variable pressure uniform crushing mechanism 2 and the synchronous centrifugal oil seal separation atomization drying mechanism 3 are sequentially communicated and connected, the cavity cavitation cooperative variable pressure uniform crushing mechanism 2 comprises a variable pressure gas cavitation reaction tank 21, an ultrasonic cavitation generation device 22 and a low temperature oil circuit circulating device 23, the variable pressure gas filtration and atomization drying device 21 is arranged on the side wall of the vertical shaft 11, the centrifugal filtration and atomization drying device 31, the centrifugal cavitation separation and the centrifugal atomization drying device 21 and the centrifugal oil seal separation device 32 is arranged on the side wall of the vertical shaft 11, the centrifugal cavitation cooperative centrifugal cavitation centrifugal oil seal separation and the centrifugal oil seal separation and separation device 32, the conveying box 41 is fixedly arranged on the upper wall of the equipment box body 1, the opposite spraying freezing device 42 penetrates through the side wall of the conveying box 41 and is arranged on the upper wall of the equipment box body 1, the multi-layer rotary cutting centrifugal dispersing device 43 is arranged at the upper end of the vertical shaft 11, the multi-layer rotary cutting centrifugal dispersing device 43 is rotatably connected with the opposite spraying freezing device 42, and the conveying box 41, the opposite spraying freezing device 42, the multi-layer rotary cutting centrifugal dispersing device 43 and the variable-pressure air-increasing cavitation reaction box 21 are sequentially connected in a penetrating manner.

As shown in fig. 5 and 6, the pressure-varying and air-increasing cavitation reaction tank 21 includes a cavitation crushing reaction tank 211, a pressure regulating assembly 212 and a liquid circulation auxiliary crushing assembly 213, the pressure regulating assembly 212 is fixedly disposed on the side wall of the vertical shaft 11, the cavitation crushing reaction tank 211 is disposed through the end of the pressure regulating assembly 212 away from the vertical shaft 11, the liquid circulation auxiliary crushing assembly 213 is fixedly disposed inside the cavitation crushing reaction tank 211, the upper wall of the cavitation crushing reaction tank 211 is disposed through a nanofiber receiving tank 2110, the nanofiber receiving tank 2110 is connected to the multi-layer rotary-cutting centrifugal dispersing device 43, a cross beam 2111 is disposed above the side wall of the cavitation crushing reaction tank 211, a receiving tank sealing electric push rod 2112 is fixedly disposed in the center of the upper wall of the cross beam 2111, a receiving tank sealing plate 2113 is fixedly disposed at the upper end of the receiving tank sealing electric push rod 2112, the receiving tank 2113 is disposed below the nanofiber receiving tank 2110, a chemical fiber oiling agent is filled inside the cavitation crushing reaction tank 211, the pressure adjusting assembly 212 comprises a pressure adjusting cylinder 2120, a pressure adjusting electric push rod 2121 and a pressure adjusting plate 2122, the end of the pressure adjusting cylinder 2120 is fixedly arranged on the side wall of the vertical shaft 11, the end of the pressure adjusting cylinder 2120 far away from the vertical shaft 11 is communicated with the cavitation crushing reaction box 211, the pressure adjusting electric push rod 2121 is fixedly arranged on the side wall of the vertical shaft 11, the pressure adjusting electric push rod 2121 is arranged inside the pressure adjusting cylinder 2120, the pressure adjusting plate 2122 is fixedly arranged on the end of the pressure adjusting electric push rod 2121, the pressure adjusting plate 2122 is arranged inside the pressure adjusting cylinder 2120 in a sliding fit manner, the liquid circulation auxiliary crushing assembly 213 comprises a side wall liquid flow machine 2130 and an axial center liquid flow machine 2131, the side wall liquid flow machine 2130 is arranged on the side wall inside the cavitation crushing reaction box 211 in an annular array manner, the axial center liquid flow machine 2131 is rotatably arranged in the center of the lower wall of the cross beam 2111, the side wall liquid flow machine 2130 comprises a side wall stirring fan 2132 and a side wall liquid flow motor 2133, the side wall liquid flow motor 2133 is fixedly arranged on the side wall in the cavitation and crushing reaction box 211, the output ends of the side wall toggle fan 2132 and the side wall liquid flow motor 2133 are coaxially and fixedly connected, the axis liquid flow motor 2131 comprises an axis liquid flow motor 2134 and an axis liquid flow fan 2135, the axis liquid flow motor 2134 is fixedly arranged on the lower wall of the cross beam 2111, the axis liquid flow fan 2135 is rotatably arranged on the bottom wall in the cavitation and crushing reaction box 211, and the output ends of the axis liquid flow fan 2135 and the axis liquid flow motor 2134 are coaxially and fixedly connected; the pressure regulating assembly 212 enables more air to be dissolved in the chemical fiber oiling agent, and a power source is added for the subsequent ultrasonic cavitation and hole explosion and crushing process.

As shown in fig. 5 and 6, the ultrasonic cavitation generator 22 includes an ultrasonic generator 221 and an ultrasonic probe 222, the ultrasonic generator 221 is fixedly disposed on the outer lower wall of the cavitation-fragmentation reaction box 211, the ultrasonic probe 222 penetrates through the bottom wall of the cavitation-fragmentation reaction box 211, and the end of the ultrasonic probe 222 is disposed inside the cavitation-fragmentation reaction box 211; the pressure adjusting component 212 enables the chemical fiber oiling agent to generate cavitation and release a large amount of micro bubbles, the ultrasonic cavitation generating device 22 enables the chemical fiber oiling agent to generate cavitation effect and generate a large amount of micro bubbles, and the micro bubbles generated by the cavitation effect and the cavitation effect jointly generate bursting phenomenon and tear and break the PVA fibers near the micro bubbles.

As shown in fig. 7 and 9, the delivery box 41 includes a fiber placing passage 411 and a fiber delivery belt 412, the fiber placing passage 411 is fixedly disposed on the upper wall of the equipment box 1, the fiber delivery belt 412 is symmetrically disposed on the upper and lower walls inside the fiber placing passage 411, the opposite-spraying freezing device 42 includes an opposite-spraying freezing cylinder 421, a liquid nitrogen storage tank 422 and a freezing opposite-spraying component 423, the opposite-spraying freezing cylinder 421 is fixedly penetrated through the upper wall of the equipment box 1, the opposite-spraying freezing cylinder 421 is connected with the fiber placing passage 411 in a penetrating manner, the liquid nitrogen storage tank 422 is fixedly disposed on the upper wall of the equipment box 1, the freezing opposite-spraying component 423 is fixedly penetrated through the side wall of the opposite-spraying freezing cylinder 421, the freezing opposite-spraying component 423 includes a freezing crushing delivery pipe 4230 and a freezing crushing spray nozzle 4231, the freezing crushing spray nozzle 4231 is symmetrically penetrated through the side wall of the opposite-spraying freezing cylinder 421, the freezing crushing delivery pipe 4230 is penetrated through the side wall of the liquid nitrogen storage tank 422, the end of the freezing crushing delivery pipe 4230 far away from the liquid nitrogen storage tank 422 is connected with the freezing crushing delivery pipe 4231 in a penetrating manner, the middle of the freezing crushing delivery pipe 4230, and the freezing crushing electromagnetic valve 4232 is electrically connected with the fiber delivery pipe 42412.

As shown in fig. 4 and 7, the low-temperature oil circuit circulating device 23 includes a liquid nitrogen coupling conveying assembly 231 and a liquid nitrogen cooling assembly 232, the liquid nitrogen coupling conveying assembly 231 is slidably sleeved on the outer side wall of the opposite-spraying freezing cylinder 421, the liquid nitrogen cooling assembly 232 is fixedly arranged on the side wall of the cavitation crushing reaction box 211, the liquid nitrogen coupling conveying assembly 231 includes an oil circuit cooling conveying pipe 2310 and a conveying pipe supporting lifting frame 2311, the conveying pipe supporting lifting frame 2311 is slidably sleeved on the outer side wall of the opposite-spraying freezing cylinder 421, the oil circuit cooling conveying pipe 2310 is arranged on the upper wall of the conveying pipe supporting lifting frame 2311, the end of the oil circuit cooling conveying pipe 2310 penetrates through the side wall of the liquid nitrogen storage tank 422, the conveying pipe lifting frame 2311 is provided with a conveying pipe lifting electric push rod 2312 near the lower wall of the opposite-spraying freezing cylinder 421, the end of the conveying pipe lifting electric push rod 2312 is fixedly connected with the upper wall of the equipment box 1, the conveying pipe supporting lifting frame 2311 is provided with a liquid nitrogen conveying coupling spray head 2313 in an annular array far away from the end of the opposite-spraying freezing cylinder 421, the oil circuit cooling conveying pipe 2310 is respectively communicated with the liquid nitrogen conveying coupling spray head 2313, and an oil circuit cooling electromagnetic valve 2314 is arranged in the middle of the oil circuit cooling conveying pipe cooling electromagnetic valve 2310; the liquid nitrogen cooling assembly 232 comprises an oil path circulating pipe 2320, an oil path circulating pump 2321, a liquid nitrogen cooling box 2322 and an oil path cooling spray pipe 2323, the liquid nitrogen cooling box 2322 is fixedly arranged on the side wall of the cavitation and crushing reaction box 211, two ends of the oil path circulating pipe 2320 are respectively arranged on the side wall of the cavitation and crushing reaction box 211 in a penetrating manner, the oil path circulating pipe 2320 is arranged inside the liquid nitrogen cooling box 2322, the oil path circulating pump 2321 is fixedly arranged on the side wall of the cavitation and crushing reaction box 211, the oil path circulating pump 2321 is arranged in the middle of the oil path circulating pipe 2320 in a penetrating manner, the oil path cooling spray pipe 2323 is arranged on the upper wall of the liquid nitrogen cooling box 2322 in a penetrating manner, the upper end of the oil path cooling spray pipe 2323 is arranged on the upper wall of the equipment box body 1 in a penetrating manner, the lower end of the oil path cooling spray pipe 2323 is provided with an oil path cooling spray nozzle 2324 arranged above the oil path circulating pipe 2320, the upper end of the oil path cooling spray pipe 2323 is provided with a nitrogen injection coupling groove 2325, the liquid nitrogen delivery coupling spray nozzle 2313 is arranged above the movement track of the nitrogen injection coupling groove 2325, and the oil path cooling solenoid valve 2314 is electrically connected with the oil path cooling spray pump 2321.

As shown in fig. 5 and 8, the centrifugal oil-seal separation filter device 31 includes a semi-permeable filter collection assembly 311 and a centrifugal oil liquid relay return assembly 313, the semi-permeable filter collection assembly 311 is disposed on a side wall of the cavitation-breaking reaction tank 211, the centrifugal oil liquid relay return assembly 313 is disposed on a side wall of the semi-permeable filter collection assembly 311, the semi-permeable filter collection assembly 311 includes a semi-permeable filter cartridge 3110 and a spiral lifting transmission auger 3111, the semi-permeable filter cartridge 3110 is disposed on a side wall of the cavitation-breaking reaction tank 211 away from the vertical shaft 11, the spiral lifting transmission auger 3111 is rotatably disposed inside the semi-permeable filter cartridge 3110, a semi-permeable filter wall 3112 is disposed on a side wall of the semi-permeable filter 3110 away from the cavitation-breaking reaction tank 211, a surface array of the semi-permeable filter wall 3112 is disposed with oil liquid centrifugal through holes 3113, a semi-permeable glass 3114 is disposed inside the semi-permeable filter 3112, the semi-permeable glass 3114 passes through the oil liquid centrifugal through holes 3113, a lifting power plate 3115 is disposed above an inner side wall of the semi-permeable filter 3110, a worm coupling screw hole 3116 is arranged in the center of the lifting power plate 3115 in a penetrating manner, a fiber collecting through hole 3117 is arranged above the side wall of the semi-permeable filter cartridge 3110 in a penetrating manner, a spiral lifting conveying auger 3111 comprises a conveying auger shaft 3118 and an auger power motor 3119, the conveying auger shaft 3118 is rotatably arranged at the bottom wall of the semi-permeable filter cartridge 3110, the conveying auger shaft 3118 is rotatably arranged inside the worm coupling screw hole 3116, the auger power motor 3119 is fixedly arranged at the upper wall of the semi-permeable filter cartridge 3110, the conveying auger shaft 3118 is sequentially and coaxially provided with a nanofiber tray 3120, a spiral blade 3121, an oil sealing disc 3122, a lifting power worm 3123 and a fiber collecting power gear 3124 from bottom to top, the nanofiber tray 3120 and the lower side wall of the inner side wall of the semi-permeable filter cartridge 3110 are in a sliding manner, the outer side of the spiral blade 3121 and the middle inner side wall of the semi-permeable filter cartridge 3110 are in a sliding manner, the oil sealing disc 3122 and the inner side wall of the semi-permeable filter cartridge are in a sliding manner, the lifting power worm 3123 is meshed with the inner side wall of the worm coupling screw 3116, the output end of the auger power motor 3119 is coaxially and fixedly provided with an auger driving gear 3125, and the auger driving gear 3125 is meshed with the fiber collection power gear 3124.

As shown in fig. 8, the centrifugal oil return relay module 313 includes a centrifugal oil temporary storage tank 3130, an oil return pump 3131, and an oil return pipe 3132, the centrifugal oil temporary storage tank 3130 is provided on a side wall of the semi-permeable filter cartridge 3110, the semi-permeable filter wall 3112 is provided at a junction of the centrifugal oil temporary storage tank 3130 and the semi-permeable filter cartridge 3110, the oil return pump 3131 is provided on an outer lower wall of the centrifugal oil temporary storage tank 3130, the oil return pipe 3132 is provided on an outer lower wall of the centrifugal oil temporary storage tank 3130 and the cavitation breaking reaction tank 211, the centrifugal oil temporary storage tank 3130, the oil return pump 3131, the oil return pipe 3132, and the cavitation breaking reaction tank 211 are sequentially connected through, and a one-way oil filling hole 3133 is provided on an upper wall of the centrifugal oil temporary storage tank 3130.

As shown in fig. 5 and 8, the ultrasonic atomizing, drying and dispersing device 32 includes an atomizing and dispersing box 321, an ultrasonic atomizing sheet 322 and an airflow dispersing assembly 323, the atomizing and dispersing box 321 is fixedly disposed on the upper wall of a centrifugal oil temporary storage box 3130, the ultrasonic atomizing sheet 322 is fixedly disposed on the side wall of the atomizing and dispersing box 321 in an array manner, the airflow dispersing assembly 323 is disposed on the side wall of the atomizing and dispersing box 321, the atomizing and dispersing box 321 is connected to a semi-permeable filter cartridge 3110 through a fiber collecting through hole 3117, a condensate oil guiding inclined plate 3210 and a condensate oil collecting semi-permeable hole 3211 are disposed on the bottom wall of the atomizing and dispersing box 321 near the filter cartridge, a material taking sealing cover plate 3212 is rotatably disposed on the upper wall of the atomizing and dispersing box 321, the ultrasonic atomizing sheet 322 is electrically connected to an ultrasonic generator 221, the airflow dispersing assembly 323 includes an impinging turbulence blade 3230 and a turbulence motor 3231, the turbulence motor 3231 is symmetrically disposed on the opposite side wall of the atomizing and the dispersing box 321, and the impinging blade 3230 is fixedly connected to the output end of the turbulence motor 3231.

As shown in fig. 9, the multi-layer rotary-cut centrifugal dispersing device 43 includes a high-speed rotary-cut crushing assembly 431, a rotary receiving cavity 432 and a horizontal dispersing pipe 433, the rotary receiving cavity 432 is fixedly disposed at the upper end of the vertical shaft 11, the upper wall of the rotary receiving cavity 432 is rotatably connected to the opposite-spraying freezing cylinder 421, the high-speed rotary-cut crushing assembly 431 is disposed at the upper wall of the rotary receiving cavity 432, the high-speed rotary-cut crushing assembly 431 is disposed below the freezing opposite-spraying assembly 423, the horizontal dispersing pipe 433 is annularly arranged to penetrate through the side wall of the rotary receiving cavity 432, the end of the horizontal dispersing pipe 433 away from the rotary receiving cavity 432 is connected to the upper end of the nanofiber receiving groove 2110 in a penetrating manner, the high-speed rotary-cut crushing assembly 431 includes a rotary-cut motor 4310 and a rotary-cut auxiliary blowing blade 4311, the rotary-cut motor 4310 is fixedly disposed at the upper wall of the rotary receiving cavity 432 in a penetrating manner, and the rotary-cut auxiliary blowing blade 4311 is coaxially and the output end of the rotary-cut motor 4310.

As shown in fig. 2 and 3, a crushing and separating base 111 is coaxially and fixedly arranged at the lower middle part of the vertical shaft 11, a cavitation crushing reaction tank 211, a semi-permeable filter cartridge 3110 and a centrifugal oiling agent temporary storage tank 3130 are sequentially and fixedly arranged on the upper wall of the crushing and separating base 111 from the vertical shaft 11 from near to far, a magnetic absorption speed reduction block 1110 is arranged at the end part of the crushing and separating base 111 far from the vertical shaft 11, a centrifugal power gear 112 is coaxially and fixedly arranged at the lower end of the vertical shaft 11, a centrifugal power motor 12 is arranged at the bottom wall inside the equipment box 1, a centrifugal drive gear 121 is coaxially and fixedly arranged at the output end of the centrifugal power motor 12, the centrifugal drive gear 121 is meshed with the centrifugal power gear 112, a transparent material taking cover 13 is arranged on the upper wall of the equipment box 1 in an annular array, a static position magnetic block 14 is arranged on the side wall of the inner wall of the equipment box 1 in an annular array, and the static position magnetic block 14 is arranged in the moving plane of the magnetic absorption speed reduction block 1110.

When the device is used specifically, an operator firstly opens the transparent material taking cover 13, chemical fiber oiling agents are injected into the centrifugal oiling agent temporary storage box 3130 through the one-way oiling hole 3133, in an initial state, the magnetic attraction speed reduction block 1110 is closest to the static position magnetic block 14, the nitrogen injection coupling groove 2325 is static below the liquid nitrogen conveying coupling spray head 2313, the material taking sealing cover plate 3212 is static below the transparent material taking cover 13, and the oiling agent return pump 3131 is started to enable the chemical fiber oiling agents in the centrifugal oiling agent temporary storage box 3130 to enter the cavitation crushing reaction box 211 through the oiling agent return pipe 3132.

Firstly, chemical fiber oiling agent is pressurized, a receiving groove closing electric push rod 2112 pushes a receiving groove sealing plate 2113 to move, the upper wall of the receiving groove sealing plate 2113 is tightly attached to the lower end of a nanofiber receiving groove 2110, so that a closed space is formed inside the cavitation and crushing reaction box 211, a pressure adjusting electric push rod 2121 extends to drive a pressure adjusting plate 2122 to move along the inner wall of a pressure adjusting cylinder 2120, the inner volume of the cavitation and crushing reaction box 211 is reduced, the pressure of the chemical fiber oiling agent and air inside the cavitation and crushing reaction box 211 is increased, more air is dissolved in the chemical fiber oiling agent, and a power source is added for the subsequent ultrasonic cavitation and cavity explosion and crushing processes.

After the pressurization treatment is completed, the pressure adjusting electric push rod 2121 stops running, the receiving groove sealing electric push rod 2112 contracts to drive a receiving groove sealing plate 2113 to descend, an operator puts the PVA fiber coil into the fiber placing channel 411, the fiber conveyor belt 412 and the freezing and crushing liquid nitrogen electromagnetic valve 4232 are started, the fiber conveyor belt 412 drives the PVA fiber coil to move towards the opposite-spraying freezing cylinder 421, liquid nitrogen in the liquid nitrogen storage tank 422 is sprayed out through the freezing and crushing conveying pipe 4230 and the freezing and crushing nozzle 4231, after the PVA fiber coil enters the opposite-spraying freezing cylinder 421, the liquid nitrogen rapidly cools the PVA fiber coil to enhance brittleness of the PVA fiber coil, the PVA fiber coil cooled by the freezing and crushing nozzle 4231 drops along the inside of the opposite-spraying freezing cylinder 421, the rotary cutting motor 4310 drives the rotary cutting and crushing auxiliary blowing blades 4311 to rotate, when the PVA fiber coil passes through the rotary cutting and crushing auxiliary blowing blades 4311, the PVA fiber coil is primarily cut and crushed and drops to the inner bottom wall of the rotary receiving cavity 432, the crushed PVA fiber coil is horizontally cut and crushed by the centrifugal power motor 433 is started, the centrifugal power motor drives the centrifugal blowing fan to rotate, the vertical shaft 111 to rotate horizontally and the vertical shaft 111 to rotate, the vertical shaft 111 rotates and the vertical shaft 111 and horizontally disperses, the vertical shaft 111 rotates under the centrifugal reaction nano fiber reaction power tube 2110 action of the centrifugal reaction tank.

The pressure-changing air-increasing cavitation reaction box 21 carries out ultrasonic crushing on PVA fibers which are primarily cut and crushed, after a centrifugal power motor 12 stops running, a receiving groove is started again to close an electric push rod 2112, a receiving groove sealing plate 2113 is pushed to move, the upper wall of the receiving groove sealing plate 2113 is enabled to be tightly attached to the lower end of a nanofiber receiving groove 2110, the inside of the cavitation crushing reaction box 211 is a closed space, a pressure adjusting electric push rod 2121 contracts to drive a pressure adjusting plate 2122 to move along the inner wall of a pressure adjusting cylinder 2120, the internal volume of the cavitation crushing reaction box 211 is increased, so that chemical fiber oiling agents and air pressure in the cavitation crushing reaction box 211 are reduced, the chemical fiber oiling agents generate cavitation, a large amount of micro bubbles are released, an ultrasonic generator 221, an oil path circulating pump 2321, a side wall liquid flow motor 2133 and an axis liquid flow motor 2134 are started, the ultrasonic generator 221 transmits an ultrasonic signal to an ultrasonic probe 222, the ultrasonic probe 222 emits ultrasonic waves, the ultrasonic waves which are transmitted in the cavitation crushing reaction box 211 to generate cavitation effect, the chemical fiber oiling agents to generate cavitation effect and generate cavitation effect, the micro bubbles which are blown out to push the liquid flow fan 2313 to push the liquid circulation pump 2310 to push the liquid circulation pump 2312 to rotate, the liquid flow of the PVA fibers, the liquid circulation pump 2312 to drive the liquid flow of the liquid circulation pump 2130, the liquid circulation pump 2312 to generate cavitation crushing reaction, the liquid circulation pump 2310, the liquid circulation pump 2312, the liquid circulation pump 2310, the liquid pump 2312 to generate cavitation crushing reaction, the liquid circulation pump 2310, the liquid circulation pump to drive the liquid circulation pump 2312 to generate cavitation crushing of the liquid circulation pump 2310 to further drive the liquid circulation pump 2310 to generate cavitation crushing of the liquid circulation pump for driving the liquid circulation pump to generate cavitation crushing of the liquid circulation pump 2310, after the liquid nitrogen delivery coupling nozzle 2313 is inserted into the nitrogen injection coupling groove 2325 and tightly attached to each other, the delivery pipe lifting electric push rod 2312 stops running, the oil path cooling liquid nitrogen electromagnetic valve 2314 is opened, liquid nitrogen in the liquid nitrogen storage tank 422 is released and is delivered to the oil path cooling spray pipe 2323 along the oil path cooling delivery pipe 2310, the liquid nitrogen delivery coupling nozzle 2313 and the nitrogen injection coupling groove 2325 and is sprayed to the oil path circulating pipe 2320 through the oil path cooling spray head 2324, the oil path cooling spray head 2324 cools the oil path circulating pipe 2320, and chemical fiber oil flowing in the oil path circulating pipe 2320 is cooled, so that the chemical fiber oil in the cavitation and fragmentation reaction box 211 is kept in a low-temperature state, the brittleness of PVA fibers is enhanced through the low-temperature chemical fiber oil, and the PVA fibers are more easily fragmented in the pressure reduction ultrasonic cavitation process.

After the nano PVA fiber is crushed, centrifugal separation is carried out on the nano PVA fiber, a centrifugal power motor 12 drives a vertical shaft 11 to rotate, so that a pressure-variable air-increasing cavitation reaction box 21, a centrifugal oil seal separation and filtration device 31 and an ultrasonic atomization drying and dispersion device 32 synchronously rotate, a chemical fiber oiling agent enters a centrifugal oiling agent temporary storage box 3130 through an oiling agent centrifugal through hole 3113 and semi-permeable glass paper 3114, the semi-permeable glass paper 3114 blocks and filters the crushed nano PVA fiber, the nano PVA fiber is gathered in a semi-permeable filter barrel 3110, when most of the chemical fiber oil in the cavitation crushing reaction tank 211 enters the centrifugal oil temporary storage tank 3130, the auger power motor 3119 is started to drive the auger drive gear 3125 to rotate, the fiber collection power gear 3124 is driven to rotate, the conveying auger shaft 3118 drives the nanofiber tray 3120, the helical blade 3121, the finish oil sealing disc 3122 and the lifting power worm 3123 to rotate, when the lifting power worm 3123 rotates in the worm coupling screw 3116, the conveying auger shaft 3118 is lifted, when the lifting power worm 3123 rises above the lifting power plate 3115, the lower wall of the oil agent sealing disc 3122 rises above the fiber collection through hole 3117, the helical blade 3121 drives the nano PVA fiber to rise, the nano PVA fiber is thrown into the atomization dispersion box 321 under the centrifugal action, after the centrifugation is finished, finish oil return pump 3131 is started to return the chemical fiber finish oil in centrifugal finish oil temporary storage tank 3130 to the inside of cavitation-crushing reaction tank 211 through finish oil return pipe 3132, meanwhile, the pressure-adjusting electric push rod 2121 contracts to generate negative pressure inside the cavitation-breaking reaction tank 211, the chemical fiber oiling agent passes through the semi-permeable glass paper 3114 through the oiling agent centrifugal through hole 3113 and flows into the cavitation-breaking reaction tank 211, the semi-permeable glassine paper 3114 is subjected to hole cleaning to prevent the semi-permeable glassine paper 3114 from being permanently clogged.

After the centrifugal operation is finished, the ultrasonic generator 221 acts to make the ultrasonic atomization sheet 322 send out ultrasonic waves, the ultrasonic atomization sheet 322 atomizes the redundant chemical fiber oiling agent remained on the surface of the nano PVA fiber rapidly and completes oil sealing and drying, the turbulent flow motor 3231 drives the colliding turbulent flow blade 3230 to rotate, the dried oil sealing nano PVA fiber is dispersed, the redundant chemical fiber oiling agent after atomization is attached to the inner wall of the atomization dispersion box 321 and permeates into the centrifugal oiling agent temporary storage box 3130 through the coagulation oiling agent guide inclined plate 3210 and the coagulation oiling agent collection semi-permeable hole 3211, and an operator takes out the nano PVA fiber after oiling agent treatment by opening the transparent material taking cover 13 and the material taking sealing cover plate 3212.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an oil blanket nanometer PVA is breaker for fibre production based on cavitation effect which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the device comprises an equipment box body (1), wherein a vertical shaft (11) is rotatably arranged in the center of the inside of the equipment box body (1);

the cavity cavitation cooperative variable-pressure uniform crushing mechanism (2) comprises a variable-pressure and air-increasing cavitation reaction box (21), an ultrasonic cavitation generation device (22) and a low-temperature oil circuit circulation device (23), wherein the variable-pressure and air-increasing cavitation reaction box (21) is annularly arrayed on the side wall of a vertical shaft (11), the ultrasonic cavitation generation device (22) penetrates through the lower wall of the variable-pressure and air-increasing cavitation reaction box (21), and the low-temperature oil circuit circulation device (23) is arranged on the side wall of the variable-pressure and air-increasing cavitation reaction box (21);

the synchronous centrifugal oil seal separation atomization drying mechanism (3) comprises a centrifugal oil seal separation filtering device (31) and an ultrasonic atomization drying dispersion device (32), wherein the centrifugal oil seal separation filtering device (31) is arranged on the side wall of the pressure-variable air-increasing cavitation reaction box (21) in a penetrating manner, and the ultrasonic atomization drying dispersion device (32) is arranged on the side wall of the centrifugal oil seal separation filtering device (31) in a penetrating manner;

the conveying and freezing primary crushing mechanism (4), wherein the conveying and freezing primary crushing mechanism (4) is fixedly arranged on the upper wall of the equipment box body (1);

the pressure-changing and air-increasing cavitation reaction box (21) comprises a cavitation crushing reaction box (211), a pressure adjusting assembly (212) and a liquid circulation auxiliary crushing assembly (213), the pressure adjusting assembly (212) is fixedly arranged on the side wall of a vertical shaft (11), the cavitation crushing reaction box (211) is arranged at the end part of the pressure adjusting assembly (212) far away from the vertical shaft (11) in a penetrating manner, the liquid circulation auxiliary crushing assembly (213) is fixedly arranged inside the cavitation crushing reaction box (211), the upper wall of the cavitation crushing reaction box (211) is provided with a nanofiber receiving groove (2110) in a penetrating manner, a cross beam (2111) is arranged above the side wall inside the cavitation crushing reaction box (211), the center of the upper wall of the cross beam (2111) is fixedly provided with a receiving groove closed electric push rod (2112), the upper end of the receiving groove closed electric push rod (2112) is fixedly provided with a sealing plate (2113), the receiving groove (2113) is arranged below the nanofiber receiving groove (2110), the cavitation crushing reaction box (211) is filled with chemical fiber oiling agent inside, the pressure adjusting assembly (212) comprises a pressure adjusting cylinder (2120), the pressure adjusting push rod (2120), the pressure adjusting assembly (2121) and a pressure adjusting plate (2120) which is connected with the vertical shaft (11) and is arranged at the end part of the vertical shaft (11), the pressure adjusting electric push rod (2121) is fixedly arranged on the side wall of the vertical shaft (11), the pressure adjusting electric push rod (2121) is arranged in the pressure adjusting cylinder (2120), the pressure adjusting plate (2122) is fixedly arranged at the end part of the pressure adjusting electric push rod (2121), the pressure adjusting plate (2122) is arranged in the pressure adjusting cylinder (2120) in a sliding fit manner, the liquid circulation auxiliary crushing assembly (213) comprises a side wall liquid flow machine (2130) and an axial center liquid flow machine (2131), the side wall liquid flow machines (2130) are arranged on the inner side wall of the cavitation and crushing reaction box (211) in an annular array, the axial center liquid flow machine (2131) is rotatably arranged in the center of the lower wall of the cross beam (2111), the side wall fluid flow machine (2130) comprises a side wall stirring fan (2132) and a side wall fluid flow motor (2133), the side wall liquid flow motor (2133) is fixedly arranged on the inner side wall of the cavitation and crushing reaction box (211), the output ends of the side wall poking fan (2132) and the side wall liquid flow motor (2133) are coaxially and fixedly connected, the axial center liquid flow machine (2131) comprises an axial center liquid flow motor (2134) and an axial center liquid flow fan (2135), the axial center liquid flow motor (2134) is fixedly arranged on the lower wall of the cross beam (2111), the axial flow fan (2135) is rotatably arranged on the bottom wall inside the cavitation and crushing reaction box (211), the output end of the axial center liquid flow fan (2135) is coaxially and fixedly connected with the output end of the axial center liquid flow motor (2134);

the ultrasonic cavitation generating device (22) comprises an ultrasonic generator (221) and an ultrasonic probe (222), wherein the ultrasonic generator (221) is fixedly arranged on the outer lower wall of the cavitation and fragmentation reaction box (211), the ultrasonic probe (222) penetrates through the bottom wall of the cavitation and fragmentation reaction box (211), and the end part of the ultrasonic probe (222) is arranged in the cavitation and fragmentation reaction box (211);

the conveying freezing primary crushing mechanism (4) comprises a conveying box (41), a spraying freezing device (42) and a multi-layer rotary cutting centrifugal dispersing device (43), the conveying box (41) is fixedly arranged on the upper wall of the equipment box body (1), the spraying freezing device (42) penetrates through the side wall of the conveying box (41) and is arranged on the upper wall of the equipment box body (1), the multi-layer rotary cutting centrifugal dispersing device (43) is arranged at the upper end of a vertical shaft (11), the multi-layer rotary cutting centrifugal dispersing device (43) is in through connection with a nanofiber receiving groove (2110), the conveying box (41) comprises a fiber placing channel (411) and a fiber conveying belt (412), the fiber placing channel (411) is fixedly arranged on the upper wall of the equipment box body (1), the fiber conveying belt (412) is symmetrically arranged on the upper and lower walls inside the fiber placing channel (411), the spraying freezing device (42) comprises a spraying freezing cylinder body (421), a liquid nitrogen storage tank (422) and a freezing spraying opposite spraying component (423), the spraying freezing cylinder body (421) is fixedly arranged on the upper wall of the equipment box body (1), the spraying freezing cylinder body (421) and the freezing cylinder body (422) are fixedly arranged on the side wall of the spraying freezing cylinder body, the freezing and opposite-spraying assembly (423) comprises a freezing and crushing delivery pipe (4230) and a freezing and crushing spray head (4231), the freezing and crushing spray head (4231) symmetrically penetrates through the side wall of the opposite-spraying freezing cylinder body (421), the freezing and crushing delivery pipe (4230) penetrates through the side wall of the liquid nitrogen storage tank (422), the end part, far away from the liquid nitrogen storage tank (422), of the freezing and crushing delivery pipe (4230) is connected with the freezing and crushing spray head (4231) in a penetrating manner, and a freezing and crushing liquid nitrogen electromagnetic valve (4232) is arranged in the middle of the freezing and crushing delivery pipe (4230);

the low-temperature oil path circulating device (23) comprises a liquid nitrogen coupling conveying assembly (231) and a liquid nitrogen cooling assembly (232), the liquid nitrogen coupling conveying assembly (231) is slidably sleeved on the outer side wall of the opposite-spraying freezing cylinder (421), the liquid nitrogen cooling assembly (232) is fixedly arranged on the side wall of the cavitation crushing reaction box (211), the liquid nitrogen coupling conveying assembly (231) comprises an oil path cooling conveying pipe (2310) and a conveying pipe supporting lifting frame (2311), the conveying pipe supporting lifting frame (2311) is slidably sleeved on the outer side wall of the opposite-spraying freezing cylinder (421), the oil path cooling conveying pipe (2310) is arranged on the upper wall of the conveying pipe supporting lifting frame (2311), the end part of the oil path cooling conveying pipe (2310) penetrates through the side wall of the liquid nitrogen storage tank (422), a conveying pipe lifting electric push rod (2312) is arranged on the lower wall of the opposite-spraying freezing cylinder (421) close to the conveying pipe supporting lifting frame (2311), the end part of the conveying pipe lifting electric push rod (2312) is fixedly connected with the upper wall of the equipment box body (1), a liquid nitrogen coupling conveying pipe (2313) is arranged on the end part of the conveying pipe supporting lifting frame (2311) far away from the opposite-spraying freezing cylinder (421), and a liquid nitrogen coupling cooling electromagnetic valve (2313) is connected with the oil path cooling electromagnetic valve (2310) and a liquid nitrogen coupling cooling spray head, and a liquid nitrogen coupling cooling electromagnetic valve (2313) respectively;

centrifugal oil seal separation filter equipment (31) is including semi-permeable filtration collection subassembly (311) and centrifugal fluid relay return subassembly (313), the semi-permeable filtration is collected subassembly (311) and is located cavitation breakage reaction case (211) lateral wall, centrifugal fluid relay returns subassembly (313) and locates the semi-permeable filtration and collects subassembly (311) lateral wall, the semi-permeable filtration is collected subassembly (311) and is included semi-permeable cartridge filter (3110) and spiral lift conveying auger (3111), semi-permeable cartridge filter (3110) link up and locate cavitation breakage reaction case (211) and keep away from the lateral wall of vertical scroll (11), spiral lift conveying auger (3111) rotates and locates semi-permeable cartridge filter (3110) inside, the lateral wall of keeping away from cavitation breakage reaction case (211) of semi-permeable cartridge filter (3110) is equipped with semi-permeable filtration wall (3112), semi-permeable filtration wall (3112) surface array runs through and is equipped with centrifugal oil through hole (3113), semi-permeable filtration wall (3112) inside is equipped with semi-permeable glass fiber (3114), semi-permeable cartridge filter (3114) passes through centrifugal oil filter 3113), semi-permeable cartridge filter (3114) passes through power 3115) and is equipped with spiral lift conveying screw 3115, semi-permeable fiber lift conveying auger (3116) passes through and is equipped with semi-permeable power auger (3116) and is equipped with semi-permeable power auger (3117) and is equipped with semi-permeable power auger shaft The power motor (3119), the conveying auger shaft (3118) is rotatably arranged at the bottom wall inside the semi-permeable filter barrel (3110), the conveying auger shaft (3118) is rotatably arranged inside the worm coupling screw hole (3116), the auger power motor (3119) is fixedly arranged at the upper wall inside the semi-permeable filter barrel (3110), the conveying auger shaft (3118) is sequentially and coaxially fixedly provided with a nanofiber tray (3120), a helical blade (3121), an oiling sealing disc (3122), a lifting power worm (3123) and a fiber collecting power gear (3124) from bottom to top, the nanofiber tray (3120) is slidably attached to the lower side of the inner side wall of the semi-permeable filter barrel (3120), the outer side of the helical blade (3121) is slidably attached to the middle of the inner side wall of the semi-permeable filter barrel (3110), the oiling sealing disc (3122) is slidably attached to the upper side of the inner side wall of the semi-permeable filter barrel (3110), the lifting power worm (3123) is engaged with the inner side wall of the worm coupling screw hole (3116), the auger shaft (3119) is fixedly provided with the output end of the auger shaft (3119), and the auger shaft (3115) is fixedly provided with the screw gear (3125), and the fiber collecting power gear (3124) is engaged with the power gear;

the centrifugal oil liquid relay return assembly (313) comprises a centrifugal oil liquid temporary storage tank (3130), an oil liquid return pump (3131) and an oil liquid return pipe (3132), wherein the centrifugal oil liquid temporary storage tank (3130) is arranged on the side wall of the semi-permeable filter cylinder (3110), the semi-permeable filter wall (3112) is arranged at the joint of the centrifugal oil liquid temporary storage tank (3130) and the semi-permeable filter cylinder (3110), the oil liquid return pump (3131) is arranged on the outer lower wall of the centrifugal oil liquid temporary storage tank (3130), the oil liquid return pipe (3132) is arranged on the outer lower wall of the centrifugal oil liquid temporary storage tank (3130) and the cavitation and crushing reaction tank (211), the centrifugal oil liquid temporary storage tank (3130), the oil liquid return pump (3131), the oil liquid return pipe (3132) and the cavitation and crushing reaction tank (211) are sequentially connected in a penetrating manner, and a one-way oil filling hole (3133) is arranged on the upper wall of the centrifugal oil liquid temporary storage tank (3130);

the ultrasonic atomization drying and dispersing device (32) comprises an atomization dispersing box (321), an ultrasonic atomization sheet (322) and an airflow dispersing assembly (323), the atomization dispersing box (321) is fixedly arranged on the upper wall of a centrifugal oil temporary storage box (3130), the ultrasonic atomization sheet (322) is fixedly arranged on the side wall of the atomization dispersing box (321) in an array distribution mode, the airflow dispersing assembly (323) is arranged on the inner side wall of the atomization dispersing box (321), the atomization dispersing box (321) is connected with a semi-permeable through hole (3110) through a fiber collecting through hole (3117), the inner bottom wall of the atomization dispersing box (321) is provided with a condensed oil guiding inclined plate (3210) and a condensed oil collecting semi-through hole (3211), the condensed oil collecting semi-through hole (3211) is arranged on the bottom wall of the atomization dispersing box (321) close to a filter cartridge, the upper wall of the atomization dispersing box (321) is provided with a rotary material taking sealing cover plate (3212), the ultrasonic atomization sheet (322) is electrically connected with an ultrasonic generator (221), the airflow dispersing assembly (323) comprises a counter turbulence blade (3230) and a turbulence motor (3231) which is symmetrically connected with an atomization dispersing motor and a turbulence collision motor (3231) which is symmetrically arranged on the inner side wall of the turbulence dispersing box.

2. The crushing device for oil-sealed nano PVA fiber production based on cavitation effect as claimed in claim 1, wherein: the multilayer rotary-cut centrifugal dispersing device (43) comprises a high-speed rotary-cut crushing assembly (431), a rotary receiving cavity (432) and a horizontal dispersing pipe (433), the rotary receiving cavity (432) is fixedly arranged at the upper end of a vertical shaft (11), the upper wall of the rotary receiving cavity (432) is rotatably connected with a spraying freezing cylinder body (421), the high-speed rotary-cut crushing assembly (431) is arranged on the inner upper wall of the rotary receiving cavity (432), the high-speed rotary-cut crushing assembly (431) is arranged below the freezing spraying assembly (423), the annular array of the horizontal dispersing pipe (433) penetrates through the side wall of the rotary receiving cavity (432), the end part of the horizontal dispersing pipe (433) far away from the rotary receiving cavity (432) is connected with the upper end of a nanofiber receiving groove (2110), the high-speed rotary-cut crushing assembly (431) comprises a rotary-cut motor (4310) and a rotary-cut crushing auxiliary air blowing blade (4311), the annular array of the rotary-cut motor (4310) is fixedly arranged on the inner upper wall of the rotary receiving cavity (432), and the rotary-cut auxiliary air blowing blade (4311) is fixedly connected with a rotary-cut coaxial air blowing motor (4310).

3. The oil-sealed nano PVA fiber production crushing device based on the cavitation effect as claimed in claim 2, characterized in that: the device is characterized in that a crushing and separating base (111) is coaxially and fixedly arranged at the middle lower part of a vertical shaft (11), a cavitation crushing reaction box (211), a semi-permeable filter cartridge (3110) and a centrifugal oiling agent temporary storage box (3130) are sequentially and fixedly arranged on the upper wall of the crushing and separating base (111) from the vertical shaft (11) from near to far, a magnetic absorption speed reduction block (1110) is arranged at the end part, far away from the vertical shaft (11), of the crushing and separating base (111), a centrifugal power gear (112) is coaxially and fixedly arranged at the lower end of the vertical shaft (11), a centrifugal power motor (12) is arranged on the inner bottom wall of the device box body (1), a centrifugal driving gear (121) is coaxially and fixedly arranged at the output end of the centrifugal power motor (12), the centrifugal driving gear (121) is meshed with the centrifugal power gear (112), a transparent material taking cover (13) is arranged on the upper wall of the device box body (1), and a static position magnetic block (14) is arranged on the inner wall of the device box body (1).