CN113019576B - Medicinal polyethylene glycol pulverizer and use method thereof - Google Patents
Medicinal polyethylene glycol pulverizer and use method thereof Download PDFInfo
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- CN113019576B CN113019576B CN202110232144.XA CN202110232144A CN113019576B CN 113019576 B CN113019576 B CN 113019576B CN 202110232144 A CN202110232144 A CN 202110232144A CN 113019576 B CN113019576 B CN 113019576B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/13—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a medicinal polyethylene glycol crusher and a using method thereof, and the medicinal polyethylene glycol crusher comprises an external crushing fixing body, an internal elastic self-adaptive centrifugal swinging type crushing mechanism, an external eccentric rotating type unstable roller, a two-stage thread crushing mechanism, a gas-liquid mixing type micro-flow liquid nitrogen cooling dust suppression atomizing mechanism and a self-rising separation type material receiving sampling inspection device. The invention belongs to the technical field of medicinal polyethylene glycol processing, and particularly provides a medicinal polyethylene glycol pulverizer and a use method thereof, wherein elastic self-adaptive hammer type crushing is combined with irregular eccentric rotation, unstable eccentric hammer type crushing is carried out on materials by generating unstable centrifugal force, the materials are conveniently crushed to be comprehensive and thorough, the temperature of the whole device is reduced by gasifying and heat absorption cooling of liquid nitrogen, the technical problem that polyethylene glycol is crushed and aggregated is solved, the technical effect that polyethylene glycol materials are crushed and reduced is realized, and the material crushing quality is conveniently inspected by combining the Brazilian fruit effect.
Description
Technical Field
The invention belongs to the technical field of medicinal polyethylene glycol processing, and particularly relates to a medicinal polyethylene glycol crusher and a using method thereof.
Background
At present, the demand of pharmaceutical excipients in the pharmaceutical industry is increasing, which not only puts higher requirements on the indexes of the pharmaceutical excipients, but also puts more strict requirements on the granularity and the fluidity of the pharmaceutical excipients. The crushing technology of domestic pharmaceutic adjuvant (polyethylene glycol 4000, polyethylene glycol 6000) is immature, the dust production is great during production, influence the health of staff, and because the melting point of this material is lower, the material easily melts and forms the lump material during crushing, the sizing influences finished product quality, current reducing mechanism is when smashing medicinal polyethylene glycol, local friction heat, the temperature rises, very easily cause melting of polyethylene glycol material, current reducing mechanism is difficult to solve the contradiction difficult problem that medicinal polyethylene glycol both need smash and can not melt, in addition current reducing mechanism is when turning over the material and smashing, the dust in the material is very easily raised, can't reach the technological effect that both will turn over and smash and will descend.
Disclosure of Invention
In order to solve the existing problems, the invention provides an elastic self-adaptive hammer type crushing device which combines irregular eccentric rotation to generate unstable eccentric hammer type crushing to materials by generating unstable centrifugal force, is convenient for completely crushing the materials and generates gas-liquid mixed nitrogen fluid by liquid nitrogen atomization, the device is wholly cooled through liquid nitrogen gasification heat absorption cooling, the solid state of the material is guaranteed, the technical problem that polyethylene glycol is crushed and gathered is solved, liquid nitrogen fluid of gas-liquid mixture drives raised dust to fall due to low temperature sinking, the technical effect that the polyethylene glycol material is not only lifted and crushed but also falls is achieved, the separation of the mixed material is achieved by combining Brazil effect to vibrate the crushed material, the quality of crushed material is convenient to be sampled and inspected, and the medicinal polyethylene glycol crusher for polyethylene glycol crushing inspection and the using method thereof apply the physical theory.
The technical scheme adopted by the invention is as follows: the invention relates to a medicinal polyethylene glycol crusher and a using method thereof, which comprises an external crushing fixed body, an internal elastic self-adaptive centrifugal swinging crushing mechanism, an external eccentric rotating type unstable roller, a secondary thread crushing mechanism, a gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism and a self-lifting separation type material receiving and sampling device, wherein the external crushing fixed body is arranged in a hollow cavity, the upper wall of the external crushing fixed body is provided with a feed hopper, the internal elastic self-adaptive centrifugal swinging crushing mechanism and the external eccentric rotating type unstable roller are arranged in the external crushing fixed body, the internal elastic self-adaptive centrifugal swinging crushing mechanism is arranged in the external eccentric rotating type unstable roller, the secondary thread crushing mechanism is arranged in the external crushing fixed body, the secondary thread crushing mechanism is arranged below the external eccentric rotating type unstable roller, and the lower part of the side wall of the external crushing fixed body is provided with a discharge port, the self-rising separation type material receiving sampling inspection device penetrates through the discharge port and is arranged in the crushing external fixed body, the self-rising separation type material receiving sampling inspection device is arranged below the second-stage thread crushing mechanism, and the gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism is arranged on one side of the external eccentric rotating type unstable roller, the second-stage thread crushing mechanism and the self-rising separation type material receiving sampling inspection device; the inner elastic self-adaptive centrifugal swinging type crushing mechanism comprises a swinging motor, a rotating shaft, a plugging side plate, a swinging shaft and an elastic self-adaptive rotating swinging hammer, wherein the rotating shaft is rotatably arranged on one side wall of a crushing outer fixing body, the plugging side plate is sleeved on the rotating shaft, the swinging shaft is arranged on the plugging side plate, the swinging shaft is circumferentially arrayed around the rotating shaft and is arranged in parallel with the rotating shaft, the elastic self-adaptive rotating swinging hammers are uniformly distributed on the swinging shaft at equal intervals, the outer side wall of the crushing outer fixing body is provided with a control box, the swinging motor is arranged in the control box, an output shaft of the swinging motor penetrates through the side wall of the control box and the side wall of the crushing outer fixing body and is connected with the rotating shaft, the swinging motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the plugging side plate to rotate, the plugging side plate drives the swinging shaft to circumferentially rotate around the axis of the rotating shaft, and the swinging shaft drives the elastic self-adaptive rotating swinging hammers to do centrifugal rotation to perform swinging beating crushing on materials, the outer eccentric rotary type unstable-state roller comprises an eccentric rotary table, a roller, an eccentric rotary shaft, an eccentric rotary motor, a rotary sleeve and a sleeve feed hopper, wherein the eccentric rotary table is symmetrically arranged on the side walls at two opposite sides of a crushing outer fixed body in a rotating manner, the eccentric rotary shaft is eccentrically arranged on the side walls of the eccentric rotary table, the eccentric rotary shaft is arranged between the eccentric rotary tables, the rotary sleeve is rotatably sleeved outside the eccentric rotary shaft, the roller is fixedly connected below the rotary sleeve, the lower wall of the roller is provided with a semicircular primary crushing screen, the sleeve feed hopper is obliquely arranged on the upper wall of the roller, the sleeve feed hopper is arranged on one side of the rotary sleeve, an elastic blanking pipe is arranged between the sleeve feed hopper and the feed hopper, a material poured from the feed hopper slides into the roller through the elastic blanking pipe, and an elastic self-adaptive rotary swinging hammer arranged in the roller performs centrifugal rotation to perform swinging beating and crushing on the material, the eccentric rotation motor is arranged in the control box, an output shaft of the eccentric rotation motor penetrates through the side wall of the control box and is connected with a central shaft part of the eccentric rotary table, the eccentric rotation motor drives the eccentric rotary table to rotate, the eccentric rotary table drives the eccentric rotary shaft to rotate around the central axis of the eccentric rotary table in a circumferential rotation mode, under the action of gravity, the roller is always kept in a vertical downward state, the eccentric rotary shaft drives the rotary sleeve to rotate in a circumferential rotation mode, the rotary sleeve drives the roller to rotate in an up-and-down left-and-right unstable state mode, the side wall of the roller rotates the elastic self-adaptive rotation throwing hammer to rotate in an unstable state and is close to extrusion, and therefore materials located at different positions of the roller can be crushed by extrusion, the elastic self-adaptive rotation throwing hammer generates an asymmetric irregular centrifugal force, and comprehensive and thorough crushing of the materials is facilitated.
Further, elasticity self-adaptation rotates gets rid of the hammer and includes turning handle, sliding sleeve, adaptive spring and gets rid of the hammer, the turning handle rotates to be located and gets rid of epaxially, sliding sleeve locates on the turning handle lateral wall, get rid of the hammer and slide and locate in the sliding sleeve, adaptive spring locates and gets rid of between hammer and the sliding sleeve, gets rid of the hammer along with getting rid of when an circumference rotates, slides to the direction of keeping away from the axle of getting rid of under the effect of centrifugal force, and when the eccentric rotation of cylinder was close to the extrusion and gets rid of the hammer, get rid of in the hammer is promoted back sliding sleeve, the centrifugal force that its swing produced reduces, gets rid of the hammer and cylinder lateral wall simultaneously and produces the extrusion and smashes the material to cylinder and get rid of between the hammer lateral wall, and the extrusion is smashed and is smashed the thorough comprehensive of realization to the material with the combination of rotating the hammer piece formula.
Further, second grade screw thread rubbing crusher constructs including smashing motor, crushing driving gear, crushing driven gear, initiative screw thread crushing roller, driven screw thread crushing roller and second grade crushing case, the second grade is smashed the case rigid coupling and is located and smashes the external fixation internal, the cavity setting that the second grade is smashed the case and is link up from top to bottom, the driven screw thread crushing roller of initiative screw thread crushing roller rotates and locates the second grade and smashes the incasement, initiative screw thread crushing roller and driven screw thread crushing roller meshing, it is equipped with crushing control chamber to smash external fixation external wall, crushing motor locates crushing control intracavity, smash driving gear and crushing driven gear and rotate and locate one side lateral wall that crushing control chamber is close to crushing external fixation body, crushing driving gear runs through crushing control chamber lateral wall and smashes external fixation body lateral wall and initiative screw thread crushing roller coaxial coupling, it runs through crushing control chamber lateral wall and smashes external fixation body lateral wall and is the same with driven screw thread crushing roller with crushing roller to smash external fixation body lateral wall, smash driven gear The output shaft of the crushing motor is coaxially connected with the central shaft part of the crushing driving gear, the crushing motor drives the crushing driving gear to rotate, the crushing driving gear drives the crushing driven gear to reversely rotate, the crushing driving gear and the crushing driven gear respectively drive the driving thread crushing shaft and the driven thread crushing shaft to reversely rotate so as to further crush the primarily crushed materials sliding down from the first-level crushing screen, a second-level crushing screen is arranged in the hollow part of the lower end of the second-level crushing box and is in contact connection with the second-level crushing screen below the driving thread crushing shaft and the driven thread crushing shaft, the second-level crushing screen is convenient for screening the materials crushed by the driving thread crushing shaft and the driven thread crushing shaft, the completely crushed materials slide down to the self-rising separation type material receiving sampling inspection device through the second-level crushing screen, and the un-crushed materials are left on the second-level crushing screen to rotate along with the driving thread crushing shaft and the driven thread crushing shaft for carrying out sampling inspection And (4) completely crushing.
Further, the gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism comprises a liquid nitrogen tank, a liquid nitrogen pump, a liquid pumping pipe, a liquid feeding pipe and a cooling and dust suppression atomizing assembly, wherein the liquid nitrogen tank is arranged on one side wall of the crushing external fixing body, the liquid nitrogen pump is arranged above the liquid nitrogen tank, the liquid pumping pipe is communicated between the input end of the liquid nitrogen pump and the liquid nitrogen tank, the cooling and dust suppression atomizing assembly is arranged in the crushing external fixing body, the liquid feeding pipe is communicated between the output end of the liquid nitrogen pump and the cooling and dust suppression atomizing assembly, the cooling and dust suppression atomizing assembly comprises an atomizing cavity and an atomizing sheet, the atomizing cavity is arranged in the crushing external fixing body, an atomizing opening is arranged on one side wall of the atomizing cavity, which is far away from the crushing external fixing body, the atomizing sheet is arranged in the atomizing opening, the liquid feeding pipe penetrates through the side wall of the crushing external fixing body and is communicated with the atomizing cavity, and the liquid nitrogen in the liquid nitrogen tank is pumped into the atomizing cavity by the liquid nitrogen pump through the liquid pumping pipe and the liquid feeding pipe, the atomizing piece releases to smashing the external fixation internal after atomizing the liquid nitrogen of atomizing intracavity, liquid nitrogen after the atomizing is gas-liquid mixture's two-phase fluid, on the one hand liquid nitrogen gasification heat absorption makes and smashes the internal temperature reduction of external fixation, thereby avoid the polyethylene glycol to melt, avoid local friction to heat up and lead to the polyethylene glycol to melt, on the other hand liquid nitrogen in the fluid after the atomizing absorbs the dust that floats in the air and subsides, on the one hand, under the action of gravity, the liquid nitrogen that adsorbs the dust sinks, the opposite side, because the liquid nitrogen temperature is low makes the air current downflow, the liquid nitrogen that absorbs the dust flows downwards, thereby guarantee that the dust sinks, avoid the dust to raise, the conflict that has not only solved and has not dug up to smash but also will descend has effectively been solved.
Further, the upper wall of the roller is communicated with an atomization dust suppression cavity which is obliquely arranged, three groups of cooling dust suppression atomization components are respectively arranged in the crushing outer fixed body, the three groups of cooling dust suppression atomization components are respectively a first-stage cooling dust suppression atomization component, a second-stage cooling dust suppression atomization component and a third-stage cooling dust suppression atomization component, the first-stage cooling dust suppression atomization component is arranged in the atomization dust suppression cavity, the second-stage cooling dust suppression component is arranged between the outer eccentric rotary type unstable roller and the second-stage thread crushing mechanism, the third-stage cooling dust suppression component is arranged between the second-stage thread crushing mechanism and the self-rising separation type material carrying and sampling device, the first-stage cooling dust suppression atomization component, the second-stage cooling dust suppression atomization component and the third-stage cooling dust suppression atomization component form a gas-liquid mixed two-phase fluid through micro-flow liquid nitrogen atomization, and the material melting caused by local friction heating is avoided, the quality is smashed to the assurance polyethylene glycol, and the internal dust of external fixation is smashed in the effective absorption of liquid nitrogen in the liquid nitrogen fluid of atomizing simultaneously, avoids the dust to scatter all around and influences the staff healthy.
Further, from ascending disconnect-type material accept selective examination device including bearing workbin and vibrating motor, vibrating motor locates and smashes external fixation body diapire, it runs through the top that vibrating motor was located to the discharge gate to hold the workbin, and vibrating motor drives and holds the workbin vibration, holds the workbin and accepts the material after the second grade is smashed, and vibrating motor drives and holds the workbin vibration with large granule material vibration to holding the workbin upper end, and small granule material vibration to holding workbin lower extreme to be convenient for carry out the selective examination to crushing quality at crushing back staff.
Further, be equipped with the controller in the control box, the controller respectively with throw motor, eccentric rotation motor, crushing motor, atomizing piece and liquid nitrogen pump electric connection, the control box lateral wall is equipped with the touch-control screen, touch-control screen and controller electric connection, the touch-control screen is convenient for controlling means.
The use method of the medicinal polyethylene glycol pulverizer comprises the following steps:
1) pre-cooling: sending an instruction to a controller through a touch screen to control an atomizing sheet and a liquid nitrogen pump to work, pumping liquid nitrogen in a liquid nitrogen tank into an atomizing cavity through a liquid pumping pipe and a liquid feeding pipe micro-flow pump by the liquid nitrogen pump, atomizing the liquid nitrogen in the atomizing cavity by the atomizing sheet to form a gas-liquid mixed two-phase fluid, and releasing the gas-liquid mixed two-phase fluid to a position between an atomizing dust suppression cavity, an outer eccentric rotation type unstable roller, a two-stage thread grinding mechanism and a self-lifting separation type material receiving and sampling device, wherein gasified liquid nitrogen absorbs heat and is cooled so that the whole device is in a low-temperature state;
2) feeding: pouring polyethylene glycol to be crushed from a feeding hopper and sliding downwards into the roller through the sleeve feeding hopper along the elastic blanking pipe;
3) crushing: the touch screen sends an instruction to the controller to control the swinging motor, the eccentric rotating motor and the crushing motor to rotate simultaneously, the swinging motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the plugging side plate to rotate, the plugging side plate drives the swinging shaft to circumferentially rotate around the axis of the rotating shaft, the swinging shaft drives the elastic self-adaptive rotating swinging hammer to centrifugally rotate to perform swinging beating crushing on materials, meanwhile, the eccentric rotating motor drives the eccentric turntable to rotate, the eccentric turntable drives the eccentric rotating shaft to circumferentially rotate around the central axis of the eccentric turntable, the roller is always kept in a vertical downward state under the action of gravity, the rotating sleeve is driven to circumferentially rotate along with the driving of the eccentric rotating shaft, the rotating sleeve drives the roller to perform unstable and horizontal rotating, the side wall of the roller performs unstable and irregular rotation on the elastic self-adaptive rotating swinging hammer to approach extrusion, and therefore materials arranged at different positions of the roller can be crushed by extrusion, the rotary drum extrudes the throwing hammer to enable the throwing hammer at the position in contact with the rotary drum to retract into the sliding sleeve, and the overall length of the elastic self-adaptive rotating throwing hammer is reduced, so that the elastic self-adaptive rotating throwing hammer on the throwing shaft generates asymmetric irregular centrifugal force, and the materials are conveniently and thoroughly crushed; the material which is thoroughly crushed at the first stage slides down to a second-stage crushing box through a first-stage crushing screen, and the primary crushed material which slides down from the first-stage crushing screen is further crushed by the reverse rotation of the driving threaded crushing shaft and the driven threaded crushing shaft;
4) material receiving: the material bearing box bears the material after the second-stage crushing to obtain a primary medicinal polyethylene glycol finished product;
5) and (4) sampling and inspecting finished products: sending an instruction to a controller through a touch screen to control vibration of a vibration motor, driving the material bearing box to vibrate by the vibration motor, vibrating large-particle materials to the upper end of the material bearing box, vibrating small-particle materials to the lower end of the material bearing box, after vibrating for 60-90 minutes, extracting upper-layer materials by a worker to check the crushing degree of the material particles, and checking to be qualified to obtain a finished medicinal polyethylene glycol product.
The invention with the structure has the following beneficial effects: the scheme has reasonable design and simple and convenient operation, can effectively improve the working efficiency and the crushing quality of polyethylene glycol crushing, combines elastic self-adaptive hammer type crushing with irregular eccentric rotation, generates unstable eccentric hammer type crushing to materials by generating unstable centrifugal force, is convenient for the materials to be crushed completely, generates gas-liquid mixed nitrogen fluid by liquid nitrogen atomization, cools the whole device by liquid nitrogen gasification heat absorption and cooling, ensures the solid state of the materials, solves the technical problem that the polyethylene glycol is crushed and aggregated, drives raised dust to fall due to the sinking of the liquid nitrogen fluid due to low temperature, realizes the technical effects that the polyethylene glycol material is lifted and crushed and falls, applies the physical theory to polyethylene glycol crushing inspection, and vibrates the crushed materials by combining the Brazilian fruit effect to realize the separation of the mixed materials so as to ensure that the large-particle materials vibrate and rise to the upper end of the material bearing box, the sampling inspection of the material crushing quality is convenient.
Drawings
FIG. 1 is a front view of a medicinal polyethylene glycol pulverizer of the present invention;
FIG. 2 is a schematic view of the internal structure of the pulverizer for medicinal polyethylene glycol of the present invention;
FIG. 3 is a schematic view of the combination structure of an elastic self-adaptive centrifugal swinging type pulverizing mechanism and an external eccentric rotating type unstable roller in the medical polyethylene glycol pulverizer of the present invention;
FIG. 4 is a schematic structural view of an elastic self-adaptive centrifugal swinging type pulverizing mechanism in the medicinal polyethylene glycol pulverizer of the present invention;
FIG. 5 is a front view of an elastic self-adaptive centrifugal swinging type pulverizing mechanism in the medicinal polyethylene glycol pulverizer of the present invention;
FIG. 6 is a side view of an external eccentric rotation type unstable cylinder of the medicinal polyethylene glycol pulverizer of the present invention;
FIG. 7 is a schematic view of the internal structure of the elastic self-adaptive rotary drop hammer of the medical polyethylene glycol pulverizer of the present invention;
FIG. 8 is a schematic structural view of a two-stage threaded pulverizing mechanism of the medicinal polyethylene glycol pulverizer of the present invention;
FIG. 9 is a schematic view of the cooling and dust suppressing atomizing assembly of the medical polyethylene glycol pulverizer of the present invention.
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. In the drawings: 1. crushing an external fixed body, 2, an internal elastic self-adaptive centrifugal swinging crushing mechanism, 3, an external eccentric rotating type unstable roller, 4, a secondary thread crushing mechanism, 5, a gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism, 6, a self-lifting separation type material receiving and sampling device, 7, a feed hopper, 8, a swinging motor, 9, a rotating shaft, 10, a plugging side plate, 11, a swinging shaft, 12, an elastic self-adaptive rotating swinging hammer, 13, an eccentric rotating disc, 14, a roller, 15, an eccentric rotating shaft, 16, an eccentric rotating motor, 17, a rotating sleeve, 18, a sleeve feed hopper, 19, a primary crushing screen, 20, an elastic blanking pipe, 21, a rotating handle, 22, a sliding sleeve, 23, an adaptive spring, 24, a swinging hammer, 25, a crushing motor, 26, a crushing driving gear, 27, a crushing driven gear, 28, a driving thread crushing shaft, 29 and a driven thread crushing shaft, 30. the second grade crushing case, 31, smash the control chamber, 32, the atomizing chamber, 33, the liquid nitrogen container, 34, the liquid nitrogen pump, 35, the liquid suction pipe, 36, liquid delivery pipe, 37, the cooling presses down dirt atomizing subassembly, 38, the atomizing piece, 39, the atomizing mouth, 40, the atomizing presses down the dirt chamber, 41, the first grade cooling presses down dirt atomizing subassembly, 42, the second grade cooling presses down dirt atomizing subassembly, 43, tertiary cooling presses down dirt atomizing subassembly, 44, the holding box, 45, vibrating motor, 46, the controller, 47, the touch screen, 48, the discharge gate, 49, the control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
As shown in figures 1-9, the medicinal polyethylene glycol crusher and the using method thereof of the invention comprises a crushing external fixing body 1, an internal elastic self-adaptive centrifugal swinging type crushing mechanism 2, an external eccentric rotating type unstable roller 3, a secondary screw thread crushing mechanism 4, a gas-liquid mixing type micro-flow liquid nitrogen temperature reduction and dust suppression atomizing mechanism 5 and a self-rising separation type material receiving and sampling inspection device 6, wherein the crushing external fixing body 1 is arranged in a hollow cavity, the upper wall of the crushing external fixing body 1 is provided with a feed hopper 7, the internal elastic self-adaptive centrifugal swinging type crushing mechanism 2 and the external eccentric rotating type unstable roller 3 are arranged in the crushing external fixing body 1, the internal elastic self-adaptive centrifugal swinging type crushing mechanism 2 is arranged in the external eccentric rotating type unstable roller 3, the secondary screw thread crushing mechanism 4 is arranged in the crushing external fixing body 1, the secondary screw thread crushing mechanism 4 is arranged below the external eccentric rotating type unstable roller 3, the lower part of the side wall of the crushing external fixing body 1 is provided with a discharge hole 48, the self-rising separated material receiving sampling inspection device 6 penetrates through the discharge hole 48 and is arranged in the crushing external fixing body 1, the self-rising separated material receiving sampling inspection device 6 is arranged below the second-stage thread crushing mechanism 4, and the gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomization mechanism 5 is arranged on one side of the external eccentric rotation type unstable-state roller 3, the second-stage thread crushing mechanism 4 and the self-rising separated material receiving sampling inspection device 6; the internal elasticity self-adaptation centrifugal swing type crushing mechanism 2 comprises a swing motor 8, a rotating shaft 9, a blocking side plate 10, a swing shaft 11 and an elasticity self-adaptation rotating swing hammer 12, wherein the rotating shaft 9 is rotatably arranged on the side wall of one side of a crushing external fixing body 1, the blocking side plate 10 is sleeved on the rotating shaft 9, the swing shaft 11 is arranged on the blocking side plate 10, the swing shaft 11 is distributed around the circumference array of the rotating shaft 9, the swing shaft 11 is parallel to the rotating shaft 9, the elasticity self-adaptation rotating swing hammer 12 is equidistantly and uniformly distributed on the swing shaft 11, the outer side wall of the crushing external fixing body 1 is provided with a control box 49, the swing motor 8 is arranged in the control box 49, the output shaft of the swing motor 8 penetrates through the side wall of the control box 49 and the side wall of the crushing external fixing body 1 to be connected with the rotating shaft 9, and the outer eccentric rotation type unstable-state roller 3 comprises an eccentric rotating disc 13, a roller 14 and an eccentric rotating shaft 15, An eccentric rotating motor 16, a rotating sleeve 17 and a sleeve feed hopper 18, wherein the eccentric rotating discs 13 are symmetrically and rotatably arranged on the side walls at two opposite sides of the crushing outer fixed body 1, the eccentric rotating shaft 15 is eccentrically arranged on the side wall of the eccentric rotating disk 13, the eccentric rotating shaft 15 is arranged between the eccentric rotating disks 13, the rotating sleeve 17 is rotatably sleeved outside the eccentric rotating shaft 15, the roller 14 is fixedly connected below the rotating sleeve 17, the lower wall of the roller 14 is provided with a primary crushing screen 19 which is arranged in a semicircular way, the sleeve feed hopper 18 is obliquely arranged on the upper wall of the roller 14, the sleeve feed hopper 18 is arranged on one side of the rotating sleeve 17, an elastic blanking pipe 20 is arranged between the sleeve feed hopper 18 and the feed hopper 7, the eccentric rotating motor 16 is arranged in the control box 49, and an output shaft of the eccentric rotating motor 16 penetrates through the side wall of the control box 49 and the side wall of the crushing outer fixing body 1 to be connected with the central shaft part of the eccentric rotating disc 13.
The elastic self-adaptive rotating flail hammer 12 comprises a rotating handle 21, a sliding sleeve 22, a self-adaptive spring 23 and a flail hammer 24, wherein the rotating handle 21 is rotatably arranged on the flail shaft 11, the sliding sleeve 22 is arranged on the side wall of the rotating handle 21, the flail hammer 24 is slidably arranged in the sliding sleeve 22, and the self-adaptive spring 23 is arranged between the flail hammer 24 and the sliding sleeve 22.
The second-stage thread grinding mechanism 4 comprises a grinding motor 25, a grinding driving gear 26, a grinding driven gear 27, a driving thread grinding shaft 28, a driven thread grinding shaft 29 and a second-stage grinding box 30, the second-stage grinding box 30 is fixedly connected with the inside of the grinding external fixed body 1, the second-stage grinding box 30 is provided with a hollow cavity which is communicated from top to bottom, the driving thread grinding shaft 28 and the driven thread grinding shaft 29 are rotatably arranged in the second-stage grinding box 30, the driving thread grinding shaft 28 is meshed with the driven thread grinding shaft 29, the outer wall of the grinding external fixed body 1 is provided with a grinding control cavity 31, the grinding motor 25 is arranged in the grinding control cavity 31, the grinding driving gear 26 and the grinding driven gear 27 are rotatably arranged on the side wall of the grinding control cavity 31 close to the grinding external fixed body 1, the grinding driving gear 26 penetrates through the side wall of the grinding control cavity 31 and the side wall of the grinding external fixed body 1 to be coaxially connected with the driving thread grinding shaft 28, the crushing driven gear 27 penetrates through the side wall of the crushing control cavity 31 and the side wall of the crushing outer fixing body 1 to be coaxially connected with the driven threaded crushing shaft 29, the output shaft of the crushing motor 25 is coaxially connected with the central shaft part of the crushing driving gear 26, a second-stage crushing screen is arranged in the hollow part of the lower end of the second-stage crushing box 30, and the second-stage crushing screen is in contact connection with the lower parts of the driving threaded crushing shaft 28 and the driven threaded crushing shaft 29.
The gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism 5 comprises a liquid nitrogen tank 33, a liquid nitrogen pump 34, a liquid pumping pipe 35, a liquid feeding pipe 36 and a cooling and dust suppression atomizing assembly 37, the liquid nitrogen tank 33 is arranged on the side wall of one side of the crushing external fixing body 1, the liquid nitrogen pump 34 is arranged above the liquid nitrogen tank 33, the liquid pumping pipe 35 is communicated between the input end of the liquid nitrogen pump 34 and the liquid nitrogen tank 33, the cooling and dust suppression atomization component 37 is arranged in the crushing external fixing body 1, the liquid delivery pipe 36 is communicated between the output end of the liquid nitrogen pump 34 and the temperature-reducing and dust-suppressing atomizing component 37, the cooling and dust suppressing atomizing assembly 37 comprises an atomizing cavity 32 and an atomizing plate 38, the atomizing cavity 32 is arranged in the crushing outer fixing body 1, one side lateral wall that crushing external fixation body 1 was kept away from in atomizing chamber 32 is equipped with atomizing mouth 39, atomizing piece 38 is located in atomizing mouth 39, liquid delivery pipe 36 runs through and smashes external fixation body 1 lateral wall and atomizing chamber 32 intercommunication.
14 upper wall intercommunication of cylinder is equipped with the atomizing of slope setting and presses down dirt chamber 40, smash and be equipped with three cooling down in the external fixation body 1 respectively and press down dirt atomization component 37, three cooling down of group press down dirt atomization component 37 and press down dirt atomization component 41, second grade cooling for the one-level cooling respectively and press down dirt atomization component 42 and tertiary cooling and press down dirt atomization component 43, the one-level cooling presses down dirt atomization component 41 and locates the atomizing and press down in the dirt chamber 40, the second grade cooling presses down dirt component and locates between outer eccentric rotation type unstable state cylinder 3 and the second grade screw thread rubbing crusher structure 4, tertiary cooling presses down dirt component and locates second grade screw thread rubbing crusher structure 4 and accepts between the selective examination device 6 from the rising disconnect-type material.
From rising disconnect-type material and accepting selective examination device 6 is including holding workbin 44 and vibrating motor 45, vibrating motor 45 locates and smashes external fixation body 1 diapire, hold workbin 44 and run through discharge gate 48 and locate vibrating motor 45's top.
The inner side of the control box 49 is provided with a controller 46, the controller 46 is electrically connected with the throwing motor 8, the eccentric rotating motor 16, the crushing motor 25, the atomizing sheet 38 and the liquid nitrogen pump 34, the side wall of the control box 49 is provided with a touch screen 47, and the touch screen 47 is electrically connected with the controller 46.
The use method of the medicinal polyethylene glycol pulverizer comprises the following steps:
1) pre-cooling: sending an instruction to a controller 46 through a touch screen 47 to control the atomization sheet 38 and the liquid nitrogen pump 34 to work, wherein the liquid nitrogen pump 34 pumps liquid nitrogen in the liquid nitrogen tank 33 into the atomization cavity 32 through a liquid pumping pipe 35 and a liquid feeding pipe 36 in a micro-flow manner, the atomization sheet 38 atomizes the liquid nitrogen in the atomization cavity 32 to form a gas-liquid mixed two-phase fluid, and the gas-liquid mixed two-phase fluid is released to the atomization dust suppression cavity 40, the outer eccentric rotation type unstable roller 3, the secondary thread grinding mechanism 4 and the self-rising separation type material receiving and sampling device 6, and the gasified liquid nitrogen absorbs heat and cools to enable the whole device to be in a low-temperature state;
2) feeding: pouring polyethylene glycol to be crushed from the feeding hopper 7 and sliding downwards along the elastic blanking pipe 20 to the roller 14 through the sleeve feeding hopper 18;
3) crushing: the touch screen 47 sends instructions to the controller 46 to control the swinging motor 8, the eccentric rotating motor 16 and the crushing motor 25 to rotate simultaneously, the swinging motor 8 rotates to drive the rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive the plugging side plate 10 to rotate, the plugging side plate 10 drives the swinging shaft 11 to rotate circumferentially around the axis of the rotating shaft 9, the swinging shaft 11 drives the elastic self-adaptive rotating swinging hammer 12 to do centrifugal rotation to perform swinging beating crushing on materials, meanwhile, the eccentric rotating motor 16 drives the eccentric rotating disc 13 to rotate, the eccentric rotating disc 13 drives the eccentric rotating shaft 15 to rotate circumferentially around the central axis of the eccentric rotating disc 13, under the action of gravity, the roller 14 always keeps a vertical downward state, as the eccentric rotating shaft 15 drives the rotating sleeve 17 to rotate circumferentially, the rotating sleeve 17 drives the roller 14 to perform unstable state rotation up and down and left and right, and the side wall of the roller 14 performs unstable state rotation and close extrusion on the elastic self-adaptive rotating swinging hammer 12, therefore, materials arranged at different positions of the roller 14 can be crushed in an extrusion mode, the roller 14 extrudes the swinging hammer 24 to enable the swinging hammer 24 at the position, in contact with the roller 14, to retract into the sliding sleeve 22, the whole length of the elastic self-adaptive rotating swinging hammer 12 is reduced, and therefore the elastic self-adaptive rotating swinging hammer 12 on the swinging shaft 11 generates asymmetric irregular centrifugal force, and the materials can be conveniently and thoroughly crushed; the material which is completely crushed at the first stage slides downwards to a second stage crushing box 30 through a first stage crushing screen 19, and the primary crushed material which slides downwards from the first stage crushing screen 19 is further crushed by the reverse rotation of a driving threaded crushing shaft 28 and a driven threaded crushing shaft 29;
4) material receiving: the material bearing box 44 bears the material after the second-stage crushing to obtain a primary medicinal polyethylene glycol finished product;
5) and (4) sampling and inspecting finished products: sending an instruction to the controller 46 through the touch screen 47 to control the vibration of the vibration motor 45, driving the material bearing box 44 by the vibration motor 45 to vibrate the large-particle material to the upper end of the material bearing box 44, vibrating the small-particle material to the lower end of the material bearing box 44, vibrating for 60-90 minutes, extracting the upper-layer material by a worker to check the crushing degree of the material particles, and checking to be qualified to obtain the finished medicinal polyethylene glycol product.
When the device is used, firstly, an instruction is sent to the controller 46 through the touch screen 47 to control the atomization sheet 38 and the liquid nitrogen pump 34 to work, the liquid nitrogen pump 34 pumps liquid nitrogen in the liquid nitrogen tank 33 into the atomization cavity 32 through the liquid pumping pipe 35 and the liquid feeding pipe 36 in a micro-flow mode, the atomization sheet 38 atomizes the liquid nitrogen in the atomization cavity 32 to form a gas-liquid mixed two-phase fluid, the gas-liquid mixed two-phase fluid is released to the atomization dust suppression cavity 40, the outer eccentric rotating type unstable roller 3, the secondary thread grinding mechanism 4 and the self-rising separation type material receiving sampling inspection device 6, and the gasified liquid nitrogen absorbs heat and cools to enable the whole device to be in a low-temperature state; polyethylene glycol to be crushed is poured from a feeding hopper 7 and slides down into a roller 14 through a sleeve feeding hopper 18 along an elastic blanking pipe 20, a touch screen 47 sends an instruction to a controller 46 to control a swinging motor 8, an eccentric rotating motor 16 and a crushing motor 25 to rotate simultaneously, the swinging motor 8 rotates to drive a rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive a plugging side plate 10 to rotate, the plugging side plate 10 drives a swinging shaft 11 to rotate circumferentially around the axis of the rotating shaft 9, the swinging shaft 11 drives an elastic self-adaptive rotating swinging hammer 12 to rotate centrifugally to beat and crush materials, meanwhile, the eccentric rotating motor 16 drives an eccentric rotating disc 13 to rotate, the eccentric rotating disc 13 drives an eccentric rotating shaft 15 to rotate circumferentially around the central axis of the eccentric rotating disc 13, the roller 14 is always kept in a vertical downward state under the action of gravity, and the rotating sleeve 17 rotates circumferentially along with the eccentric rotating shaft 15, the rotating sleeve 17 drives the roller 14 to rotate in an up-and-down and left-right unstable state, the side wall of the roller 14 rotates and closely extrudes the elastic self-adaptive rotating flail hammer 12 irregularly, so that materials arranged at different positions of the roller 14 can be crushed in an extrusion mode, the roller 14 extrudes the flail hammer 24 to enable the flail hammer 24 at the position in contact with the roller 14 to retract into the sliding sleeve 22, the whole length of the elastic self-adaptive rotating flail hammer 12 is reduced, the centrifugal force generated by the flail is reduced, so that the elastic self-adaptive rotating flail hammer 12 on the flail shaft 11 generates asymmetric irregular centrifugal force, the flail hammer 24 and the side wall of the roller 14 extrude and crush the materials between the side wall of the roller 14 and the flail hammer 24, the extruding and crushing and the rotating hammer sheet type crushing are combined to realize complete and complete crushing of the materials, the complete and complete crushing of the materials is facilitated, the primary cooling and dust suppression atomizing component 41 atomizes micro-flow liquid nitrogen to form gas-liquid mixed two-phase fluid which is released into the atomizing and dust suppression cavity 40, the material melting caused by local friction temperature rise is avoided, the polyethylene glycol crushing quality is ensured, meanwhile, the liquid nitrogen in the atomized liquid nitrogen fluid effectively absorbs dust in the roller 14, the dust is prevented from dispersing to affect the health of workers, the first-stage crushing screen 19 sieves the first-stage crushed material, the first-stage crushed material falls into the second-stage crushing box 30 from the first-stage crushing screen 19, the crushing motor 25 drives the crushing driving gear 26 to rotate, the crushing driving gear 26 drives the crushing driven gear 27 to rotate reversely, the crushing driving gear 26 and the crushing driven gear 27 respectively drive the driving thread crushing shaft 28 and the driven thread crushing shaft 29 to rotate reversely to further crush the primarily crushed material sliding down from the first-stage crushing screen 19, and the second-stage crushing screen sieves the material subjected to second-stage crushing by the driving thread crushing shaft 28 and the driven thread crushing shaft 29, the completely crushed materials slide down to the self-lifting separate type material receiving sampling inspection device 6 through the secondary crushing screen, and the materials which are not completely crushed are left on the secondary crushing screen to be completely crushed along with the rotation of the driving threaded crushing shaft 28 and the driven threaded crushing shaft 29; the material bearing box 44 bears the material after the second-stage crushing to obtain a primary medicinal polyethylene glycol finished product; the second-level cooling dust suppression atomizing assembly 42 and the third-level cooling dust suppression atomizing assembly 43 form a gas-liquid mixed two-phase fluid through micro-flow liquid nitrogen atomization, material melting caused by local friction heating is avoided, the smashing quality of polyethylene glycol is guaranteed, meanwhile, liquid nitrogen in the atomized liquid nitrogen fluid effectively absorbs dust in the smashed external fixing body 1, an instruction is sent to the controller 46 through the touch screen 47 to control the vibration motor 45 to vibrate, the vibration motor 45 drives the material bearing box 44 to vibrate, large-particle materials are vibrated to the upper end of the material bearing box 44, small-particle materials are vibrated to the lower end of the material bearing box 44, after vibration is carried out for 60-90 minutes, workers extract upper-layer materials to check the smashing degree of the material particles, and the qualified medical polyethylene glycol finished product is obtained.
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.
Claims (4)
1. The utility model provides a medicinal polyethylene glycol rubbing crusher which characterized in that: the device comprises a crushing external fixing body, an internal elastic self-adaptive centrifugal swinging type crushing mechanism, an external eccentric rotary type unstable roller, a second-stage thread crushing mechanism, a gas-liquid mixed micro-flow liquid nitrogen cooling dust suppression atomizing mechanism and a self-rising separation type material receiving and sampling device, wherein the crushing external fixing body is arranged in a hollow cavity, the upper wall of the crushing external fixing body is provided with a feed hopper, the internal elastic self-adaptive centrifugal swinging type crushing mechanism and the external eccentric rotary type unstable roller are arranged in the crushing external fixing body, the internal elastic self-adaptive centrifugal swinging type crushing mechanism is arranged in the external eccentric rotary type unstable roller, the second-stage thread crushing mechanism is arranged in the crushing external fixing body, the second-stage thread crushing mechanism is arranged below the external eccentric rotary type unstable roller, the lower part of the side wall of the crushing external fixing body is provided with a discharge port, and the self-rising separation type material receiving and sampling device penetrates through the discharge port and is arranged in the crushing external fixing body, the self-rising separation type material receiving and sampling inspection device is arranged below the secondary thread grinding mechanism, and the gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism is arranged on one side of the external eccentric rotating type unstable roller, the secondary thread grinding mechanism and the self-rising separation type material receiving and sampling inspection device; the inner elastic self-adaptive centrifugal swinging type crushing mechanism comprises a swinging motor, a rotating shaft, a plugging side plate, a swinging shaft and an elastic self-adaptive rotating swinging hammer, wherein the rotating shaft is rotatably arranged on one side wall of the crushing outer fixing body, the plugging side plate is sleeved on the rotating shaft, the swinging shaft is arranged on the plugging side plate, the swinging shaft is distributed on the circumferential array of the swinging shaft, the swinging shaft is arranged in parallel with the rotating shaft, the elastic self-adaptive rotating swinging hammer is uniformly distributed on the swinging shaft at equal intervals, the outer side wall of the crushing outer fixing body is provided with a control box, the swinging motor is arranged in the control box, an output shaft of the swinging motor penetrates through the side wall of the control box and the side wall of the crushing outer fixing body to be connected with the rotating shaft, the outer eccentric rotating type unstable-state roller comprises an eccentric rotating disc, a roller, an eccentric rotating shaft, an eccentric rotating motor, a rotating sleeve and a sleeve feeding hopper, the eccentric rotating disc is symmetrically arranged on the side walls at two opposite sides of the crushing outer fixing body, the eccentric rotating shaft is eccentrically arranged on the side wall of the eccentric rotating disc, the eccentric rotating shaft is arranged between the eccentric rotating discs, the rotating sleeve is rotatably sleeved outside the eccentric rotating shaft, the roller is fixedly connected below the rotating sleeve, the lower wall of the roller is provided with a semicircular primary crushing screen, the sleeve feeding hopper is obliquely arranged on the upper wall of the roller, the sleeve feeding hopper is arranged on one side of the rotating sleeve, an elastic blanking pipe is arranged between the sleeve feeding hopper and the feeding hopper, the eccentric rotating motor is arranged in the control box, and the output shaft of the eccentric rotating motor penetrates through the side wall of the control box and the side wall of the crushing outer fixing body to be connected with the central shaft part of the eccentric rotating disc; the elastic self-adaptive rotating throwing hammer comprises a rotating handle, a sliding sleeve, a self-adaptive spring and a throwing hammer, wherein the rotating handle is rotatably arranged on a throwing shaft, the sliding sleeve is arranged on the side wall of the rotating handle, the throwing hammer is slidably arranged in the sliding sleeve, and the self-adaptive spring is arranged between the throwing hammer and the sliding sleeve; the two-stage screw thread crushing mechanism comprises a crushing motor, a crushing driving gear, a crushing driven gear, a driving screw thread crushing shaft, a driven screw thread crushing shaft and a two-stage crushing box, wherein the two-stage crushing box is fixedly connected in the crushing external fixing body, the two-stage crushing box is arranged in a hollow cavity which is communicated up and down, the driving screw thread crushing shaft is rotatably arranged in the two-stage crushing box, the driving screw thread crushing shaft is meshed with the driven screw thread crushing shaft, the outer wall of the crushing external fixing body is provided with a crushing control cavity, the crushing motor is arranged in the crushing control cavity, the crushing driving gear and the crushing driven gear are rotatably arranged on one side wall of the crushing control cavity, which is close to the crushing external fixing body, and the crushing driving gear penetrates through the side wall of the crushing control cavity and the side wall of the crushing external fixing body to be coaxially connected with the driving screw thread crushing shaft, and the crushing driven gear penetrates through the side wall of the crushing control cavity and the side wall of the crushing external fixing body to be coaxially connected with the driven screw thread crushing shaft, an output shaft of the crushing motor is coaxially connected with a central shaft part of the crushing driving gear, a second-stage crushing screen is arranged in the hollow part of the lower end of the second-stage crushing box and is in contact connection with the lower parts of the driving threaded crushing shaft and the driven threaded crushing shaft; the gas-liquid mixed micro-flow liquid nitrogen cooling and dust suppression atomizing mechanism comprises a liquid nitrogen tank, a liquid nitrogen pump, a liquid pumping pipe, a liquid feeding pipe and a cooling and dust suppression atomizing assembly, wherein the liquid nitrogen tank is arranged on one side wall of the crushing external fixing body, the liquid nitrogen pump is arranged above the liquid nitrogen tank, the liquid pumping pipe is communicated between the input end of the liquid nitrogen pump and the liquid nitrogen tank, the cooling and dust suppression atomizing assembly is arranged in the crushing external fixing body, the liquid feeding pipe is communicated between the output end of the liquid nitrogen pump and the cooling and dust suppression atomizing assembly, the cooling and dust suppression atomizing assembly comprises an atomizing cavity and an atomizing sheet, the atomizing cavity is arranged in the crushing external fixing body, one side wall of the atomizing cavity, which is far away from the crushing external fixing body, is provided with an atomizing opening, the atomizing sheet is arranged in the atomizing opening, and the liquid feeding pipe penetrates through the side wall of the crushing external fixing body and is communicated with the atomizing cavity; from rising disconnect-type material and accept selective examination device is including holding workbin and vibrating motor, vibrating motor locates and smashes external fixation body diapire, it runs through the discharge gate and locates vibrating motor's top to hold the workbin.
2. The medicinal polyethylene glycol pulverizer as claimed in claim 1, wherein: the cylinder upper wall intercommunication is equipped with the atomizing of slope setting and presses down dirt chamber, and the atomizing presses down dirt chamber and sleeve feeder hopper symmetry and locates the both sides that rotate the sleeve, smash the internal three cooling that are equipped with respectively of external fixation and press down dirt atomization component, three cooling of group press down dirt atomization component and tertiary cooling and press down dirt atomization component for the one-level cooling respectively, the one-level cooling presses down dirt atomization component and locates the atomizing and press down the dirt intracavity, the second grade cooling presses down dirt component and locates between outer eccentric rotary type unstability cylinder and the second grade screw thread rubbing crusher structure, the tertiary cooling presses down dirt component and locates between second grade screw thread rubbing crusher structure and the self-rising disconnect-type material accepts the selective examination device.
3. The medicinal polyethylene glycol pulverizer as claimed in claim 1, wherein: the liquid nitrogen crushing machine is characterized in that a controller is arranged in the control box, the controller is electrically connected with the throwing motor, the eccentric rotating motor, the crushing motor, the atomizing sheet and the liquid nitrogen pump respectively, a touch screen is arranged on the side wall of the control box, and the touch screen is electrically connected with the controller.
4. The use method of the medicinal polyethylene glycol pulverizer as claimed in any one of claims 1 to 3, comprising the steps of:
1) pre-cooling: sending an instruction to a controller through a touch screen to control an atomizing sheet and a liquid nitrogen pump to work, pumping liquid nitrogen in a liquid nitrogen tank into an atomizing cavity through a liquid pumping pipe and a liquid feeding pipe micro-flow pump by the liquid nitrogen pump, atomizing the liquid nitrogen in the atomizing cavity by the atomizing sheet to form a gas-liquid mixed two-phase fluid, releasing the gas-liquid mixed two-phase fluid to positions among an atomizing dust suppression cavity, an outer eccentric rotation type unstable roller, a secondary thread crushing mechanism and a self-lifting separation type material receiving and sampling device, and cooling the device by the heat absorption of the gasified liquid nitrogen;
2) feeding: pouring polyethylene glycol to be crushed from a feeding hopper and sliding downwards into the roller through the sleeve feeding hopper along the elastic blanking pipe;
3) crushing: the touch screen sends an instruction to the controller to control the swinging motor, the eccentric rotating motor and the crushing motor to rotate simultaneously, the swinging motor rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the plugging side plates to rotate, the plugging side plates drive the swinging shaft to rotate circumferentially around the axis of the rotating shaft, the swinging shaft drives the elastic self-adaptive rotating swinging hammer to do centrifugal rotation to perform swinging, hammering and crushing on materials, meanwhile, the eccentric rotating motor drives the eccentric rotating disc to rotate, the eccentric rotating disc drives the eccentric rotating shaft to do circumferential rotation around the central axis of the eccentric rotating disc, the roller is always kept in a vertical downward state under the action of gravity, the rotating sleeve drives the roller to rotate in an up-and-down, left-and-right unstable state along with the circumferential rotation of the rotating sleeve driven by the eccentric rotating shaft, the side wall of the roller performs unstable-state irregular rotation on the elastic self-adaptive rotating swinging hammer to be close to extrusion, and the roller extrudes the swinging hammer at the position in contact with the roller to retract into the sliding sleeve, the overall length of the elastic self-adaptive rotating throwing hammer is reduced, the elastic self-adaptive rotating throwing hammer on the throwing shaft generates asymmetric irregular centrifugal force, the material which is thoroughly crushed at the first stage slides down into a second-stage crushing box through a first-stage crushing screen, and the driving threaded crushing shaft and the driven threaded crushing shaft rotate reversely to further crush the initially crushed material which slides down from the first-stage crushing screen;
4) carrying materials: the material bearing box bears the material after the second-stage crushing to obtain a primary medicinal polyethylene glycol finished product;
5) and (4) product sampling inspection: sending an instruction to a controller through a touch screen to control vibration of a vibration motor, driving the material bearing box to vibrate by the vibration motor, vibrating large-particle materials to the upper end of the material bearing box, vibrating small-particle materials to the lower end of the material bearing box, after vibrating for 60-90 minutes, extracting upper-layer materials by a worker to check the crushing degree of the material particles, and checking to be qualified to obtain a finished medicinal polyethylene glycol product.
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