CN114950311B - Polylactic acid controllable hydrolysis production equipment and method thereof - Google Patents
Polylactic acid controllable hydrolysis production equipment and method thereof Download PDFInfo
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- CN114950311B CN114950311B CN202210452406.8A CN202210452406A CN114950311B CN 114950311 B CN114950311 B CN 114950311B CN 202210452406 A CN202210452406 A CN 202210452406A CN 114950311 B CN114950311 B CN 114950311B
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- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 25
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 25
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 19
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 238000007667 floating Methods 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/002—Nozzle-type elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses polylactic acid controllable hydrolysis production equipment and a method thereof, which relate to the technical field of polylactic acid production equipment and solve the problem of low hydrolysis efficiency in the prior art, and comprise a bin body, wherein the top surface of the bin body is fixedly connected with a motor, the top of the bin body is fixedly communicated with a water injection pipe, the bottom of the bin body is fixedly communicated with a water outlet pipe, and a valve is arranged on the water outlet pipe; the adjusting assembly is used for adjusting the water injection angle and is arranged at the end part of the water injection pipe; the stirring assembly is matched with the adjusting assembly to stir, and is arranged in the middle of the bin body.
Description
Technical Field
The invention relates to the technical field of polylactic acid production equipment, in particular to polylactic acid controllable hydrolysis production equipment and a method thereof.
Background
Polylactic acid, also called polylactic acid, is a novel biodegradable material, and is prepared by polymerizing lactic acid as a main raw material, and has good thermal stability, processing temperature of 170-230 ℃ and good solvent resistance, and can be processed in various modes, such as extrusion, spinning, biaxial stretching and injection blow molding. The product made of polylactic acid has good biocompatibility, glossiness, transparency, hand feeling and heat resistance besides being biodegradable.
The existing stirring equipment for producing polylactic acid needs to continuously add a large amount of water for decomposition, and the hydrolysis efficiency is poor due to uneven water dispersion in the added polylactic acid in the initial stirring stage, so that the equipment and the method for producing the polylactic acid by controllable hydrolysis are provided.
Disclosure of Invention
The invention aims to provide polylactic acid controllable hydrolysis production equipment capable of uniformly feeding water and a method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the controllable polylactic acid hydrolysis production equipment comprises a bin body, wherein a motor is fixedly connected to the top surface of the bin body, a water injection pipe is fixedly communicated with the top of the bin body, a water outlet pipe is fixedly communicated with the bottom of the bin body, and a valve is arranged on the water outlet pipe; the device also comprises an adjusting component, wherein the adjusting component for adjusting the water injection angle is arranged at the end part of the water injection pipe; the stirring assembly is matched with the adjusting assembly to stir, and the stirring assembly is arranged in the middle of the bin body.
Preferably, the adjusting component comprises a sliding plate and a hose communicated with the water injection pipe, a fixed ring is fixedly communicated with the bottom end of the hose, a rotating rod is rotationally connected to the outer surface of the fixed ring, a first elastic pull rope is connected between the fixed ring and the bin body in a hanging fit mode, a fixed plate is fixedly connected to the end portion of the sliding plate, a first sliding groove which is vertically distributed and is in sliding fit with the rotating rod is formed in the fixed plate, and a movable component which drives the hose to reciprocate back and forth is arranged in the middle of the sliding plate.
Preferably, the movable assembly comprises a sleeve, the motor output shaft penetrates into the bin body and is fixedly connected with the sleeve, a turntable is fixedly connected to the outer surface of the sleeve, a first latch group is fixedly connected to the outer surface of the turntable, a second latch group in meshed contact with the first latch group is fixedly connected to the middle of the sliding plate, a second sliding groove is formed in the bottom of the sliding plate, a limiting plate fixedly connected with the bin body is in sliding fit with the second sliding groove, a second elastic pull rope is connected between the sliding plate and the bin body in a hanging fit mode, and two pushing assemblies used for leveling the top of the solution and enabling water to be dispersed uniformly are arranged on the side face of the sliding plate.
Preferably, the pushing assembly comprises a connecting rod fixedly connected with the sliding plate, a sleeve rod is fixedly connected with the end part of the connecting rod, a sleeve pipe is sleeved on the outer surface of the sleeve rod, a floating plate is fixedly connected to the bottom of the sleeve pipe, and a scraping rod is fixedly connected to the outer surface of the floating plate.
Preferably, the stirring assembly comprises a stirring plate fixedly connected with the sleeve, a movable groove is formed in the side face of the stirring plate in a penetrating mode, a rotating plate is rotationally matched in the movable groove, a first rotating rod penetrating out of the stirring plate and penetrating into the sleeve is fixedly connected to the middle of the rotating plate, a limiting disc rotating in the stirring plate is fixedly connected to the first rotating rod, a fixing rod fixedly connected with the bottom of the bin body is movably matched in the sleeve, a plurality of first bevel gears are fixedly connected to the fixing rod, a second bevel gear meshed with the first bevel gears is arranged in the sleeve, and a middle shaft of the second bevel gear penetrates into the sleeve to be fixedly connected with the first rotating rod.
Preferably, the bull stick tip fixedly connected with stopper, limiting plate both ends are equipped with spacing slide, increase activity stability.
Preferably, the side of the floating plate is provided with a baffle, a connecting rod is fixedly connected between the baffle and the sleeve, and the top of the floating plate is of a structure with high middle and low outer, so that the floating plate is prevented from being influenced.
Preferably, the other end fixedly connected with of revolving plate wears out the second dwang of stirring board, second dwang tip fixedly connected with fan blade increases stirring efficiency.
The application method of the polylactic acid controllable hydrolysis production equipment comprises the following steps of;
s1, injecting water, wherein the water injection pipe is used for injecting the water into the bin body;
s2, running, wherein the motor drives the stirring assembly and the adjusting assembly to run, so that water entering the bin body is sprayed to the periphery of the plane of the bin body, and uniform stirring is facilitated;
s3, discharging, opening a valve, and discharging the uniformly stirred and hydrolyzed solution through a discharging pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the hose is enabled to reciprocate back and forth through the movable sliding plate, and the stirring device and the scraping rod for pushing and pulling the top surface of the solution back and forth are matched, so that water entering the bin body is uniformly dispersed on the solution, and the hydrolysis efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the bin of the invention;
FIG. 4 is a schematic view of the partial structure of FIG. 3;
FIG. 5 is a schematic view of the left portion of FIG. 4;
FIG. 6 is a cross-sectional side view of the mounting plate structure of FIG. 5;
FIG. 7 is a schematic cross-sectional view of the stirring assembly of FIG. 4;
fig. 8 is an enlarged view of the left end structure of fig. 7.
In the figure: 1-a bin body; 2-an electric motor; 3-a water injection pipe; 4-a water outlet pipe; 5-valve; 6-an adjustment assembly; 7-a skateboard; 8-hose; 9-a fixing ring; 10-rotating rods; 11-a first elastic pull rope; 12-fixing plates; 13-a first sliding groove; 14-a movable assembly; 15-sleeve; 16-a turntable; 17-a first set of latches; 18-a second set of latches; 19-a second sliding groove; 20-limiting plates; 21-a push assembly; 22-connecting rods; 23-loop bar; 24-sleeve; 25-floating plates; 26-scraping rod; 27-a stirring assembly; 28-stirring plate; 29-a movable groove; 30-rotating plates; 31-a first rotating lever; 32-limiting plates; 33-a second elastic pull rope; 34-a fixed rod; 35-a first bevel gear; 36-a second bevel gear; 37-limiting blocks; 38-limiting sliding plates; 39-baffle; 40-connecting rods; 41-a second rotating lever; 42-fan blades.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3, a controllable hydrolysis production device for polylactic acid in the drawings comprises a bin body 1, wherein a motor 2 is fixedly connected to the top surface of the bin body 1, a water injection pipe 3 is fixedly communicated with the top of the bin body 1, a water outlet pipe 4 is fixedly communicated with the bottom of the bin body 1, and a valve 5 is arranged on the water outlet pipe 4; the device also comprises an adjusting assembly 6, wherein the adjusting assembly 6 for adjusting the water injection angle is arranged at the end part of the water injection pipe 3; the stirring assembly 27 is matched with the adjusting assembly 6 to stir, and the stirring assembly 27 is arranged in the middle of the bin body 1.
Referring to fig. 4 and 6, the adjusting assembly 6 in the drawing includes a sliding plate 7 and a hose 8 communicated with the water injection pipe 3, a fixing ring 9 is fixedly communicated with the bottom end of the hose 8, a rotating rod 10 is rotatably connected to the outer surface of the fixing ring 9, a first elastic pull rope 11 is connected between the fixing ring 9 and the bin 1 in a hanging fit manner, a fixing plate 12 is fixedly connected to the end portion of the sliding plate 7, a first sliding groove 13 which is vertically distributed and is slidably matched with the rotating rod 10 is formed in the fixing plate 12, and a movable assembly 14 which drives the hose 8 to reciprocate back and forth is arranged in the middle of the sliding plate 7.
Referring to fig. 5, the movable assembly 14 in the drawing includes a sleeve 15, an output shaft of the motor 2 penetrates into the bin body 1 and is fixedly connected with the sleeve 15, a turntable 16 is fixedly connected to an outer surface of the sleeve 15, a first latch group 17 is fixedly connected to an outer surface of the turntable 16, a second latch group 18 in meshed contact with the first latch group 17 is fixedly connected to a middle part of the sliding plate 7, a second sliding groove 19 is formed in the bottom of the sliding plate 7, a limiting plate 20 fixedly connected with the bin body 1 is slidably matched in the second sliding groove 19, a second elastic pull rope 33 is fixedly connected between the sliding plate 7 and the bin body 1 in a hanging manner, and two pushing assemblies 21 for leveling the top of the solution to uniformly disperse water are arranged on side surfaces of the sliding plate 7.
Referring to fig. 7-8, the stirring assembly 27 in the drawings includes a stirring plate 28 fixedly connected with a sleeve 15, a movable slot 29 is penetrated through the side surface of the stirring plate 28, a rotating plate 30 is rotatably matched in the movable slot 29, a first rotating rod 31 penetrating out of the stirring plate 28 and penetrating into the sleeve 15 is fixedly connected in the middle of the rotating plate 30, a limiting plate 32 rotating in the stirring plate 28 is fixedly connected to the first rotating rod 31, a fixing rod 34 fixedly connected with the bottom of the bin body 1 is movably matched in the sleeve 15, a plurality of first bevel gears 35 are fixedly connected to the fixing rod 34, a second bevel gear 36 meshed with the first bevel gears 35 is arranged in the sleeve 15, and the center shaft of the second bevel gear 36 is fixedly connected with the first rotating rod 31 penetrating into the sleeve 15.
The end of the rotating rod 10 is fixedly connected with a limiting block 37, two ends of the limiting plate 20 are provided with limiting sliding plates 38, and the other end of the first rotating rod 31 is fixedly connected with a fan blade 42.
The application method of the polylactic acid controllable hydrolysis production equipment comprises the following steps of;
s1, injecting water, and injecting the water into the bin body 1 through the water injection pipe 3;
s2, running, namely driving the stirring assembly 27 and the adjusting assembly 6 to run through the motor 2, so that water entering the bin body 1 is sprayed to the periphery of the plane of the bin body 1, and uniform stirring is facilitated;
s3, discharging, opening a valve 5, and discharging the uniformly stirred and hydrolyzed solution through a discharging pipe;
in this embodiment, the motor 2 rotates to drive the sleeve 15 to rotate, so that the turntable 16 drives the first latch set 17 to rotate, the slide plate 7 can only slide under the action of the limiting plate 20 and the second sliding groove 19, the slide plate 7 can reciprocate back and forth under the action of the first latch set 17, the second latch set 18 and the second elastic pull rope 33, the fixed plate 12 reciprocates back and forth, the fixed ring 9 slides back and forth along the first sliding groove 13, the flexible tube 8 with elastic contraction capability is adjusted adaptively, the sleeve 15 rotates and drives the stirring plate 28 to rotate, the rotating stirring plate 28 rotates the second bevel gear 36 horizontally with the fixed rod 34 as a rotating shaft, and simultaneously the second bevel gear 36 rotates under the meshing action of the fixed first bevel gear 35, so that the rotating plate 30 rotates along the movable groove 29 to facilitate stirring the circulated solution.
Example two
Referring to fig. 1-3, a controllable hydrolysis production device for polylactic acid in the drawings comprises a bin body 1, wherein a motor 2 is fixedly connected to the top surface of the bin body 1, a water injection pipe 3 is fixedly communicated with the top of the bin body 1, a water outlet pipe 4 is fixedly communicated with the bottom of the bin body 1, and a valve 5 is arranged on the water outlet pipe 4; the device also comprises an adjusting assembly 6, wherein the adjusting assembly 6 for adjusting the water injection angle is arranged at the end part of the water injection pipe 3; the stirring assembly 27 is matched with the adjusting assembly 6 to stir, and the stirring assembly 27 is arranged in the middle of the bin body 1.
Referring to fig. 4 and 6, the adjusting assembly 6 in the drawing includes a sliding plate 7 and a hose 8 communicated with the water injection pipe 3, a fixing ring 9 is fixedly communicated with the bottom end of the hose 8, a rotating rod 10 is rotatably connected to the outer surface of the fixing ring 9, a first elastic pull rope 11 is connected between the fixing ring 9 and the bin 1 in a hanging fit manner, a fixing plate 12 is fixedly connected to the end portion of the sliding plate 7, a first sliding groove 13 which is vertically distributed and is slidably matched with the rotating rod 10 is formed in the fixing plate 12, and a movable assembly 14 which drives the hose 8 to reciprocate back and forth is arranged in the middle of the sliding plate 7.
Referring to fig. 5, the movable assembly 14 in the drawing includes a sleeve 15, an output shaft of the motor 2 penetrates into the bin body 1 and is fixedly connected with the sleeve 15, a turntable 16 is fixedly connected to an outer surface of the sleeve 15, a first latch group 17 is fixedly connected to an outer surface of the turntable 16, a second latch group 18 in meshed contact with the first latch group 17 is fixedly connected to a middle part of the sliding plate 7, a second sliding groove 19 is formed in the bottom of the sliding plate 7, a limiting plate 20 fixedly connected with the bin body 1 is slidably matched in the second sliding groove 19, a second elastic pull rope 33 is fixedly connected between the sliding plate 7 and the bin body 1 in a hanging manner, and two pushing assemblies 21 for leveling the top of the solution to uniformly disperse water are arranged on side surfaces of the sliding plate 7.
Referring to fig. 5, the pushing assembly 21 in the drawing includes a connecting rod 22 fixedly connected with the sliding plate 7, a sleeve rod 23 fixedly connected with an end of the connecting rod 22, a sleeve 24 sleeved on an outer surface of the sleeve rod 23, a floating plate 25 fixedly connected with a bottom of the sleeve 24, and a scraping rod 26 fixedly connected with an outer surface of the floating plate 25.
Referring to fig. 7-8, the stirring assembly 27 in the drawings includes a stirring plate 28 fixedly connected with a sleeve 15, a movable slot 29 is penetrated through the side surface of the stirring plate 28, a rotating plate 30 is rotatably matched in the movable slot 29, a first rotating rod 31 penetrating out of the stirring plate 28 and penetrating into the sleeve 15 is fixedly connected in the middle of the rotating plate 30, a limiting plate 32 rotating in the stirring plate 28 is fixedly connected to the first rotating rod 31, a fixing rod 34 fixedly connected with the bottom of the bin body 1 is movably matched in the sleeve 15, a plurality of first bevel gears 35 are fixedly connected to the fixing rod 34, a second bevel gear 36 meshed with the first bevel gears 35 is arranged in the sleeve 15, and the center shaft of the second bevel gear 36 is fixedly connected with the first rotating rod 31 penetrating into the sleeve 15.
In this embodiment, the sliding plate 7 that reciprocates back and forth drives the connecting rod 22 and the scraping rod 26 to reciprocate back and forth, and under the action of the floating plate 25, the scraping rod 26 is always attached to the top surface of the solution, and the sleeve rod 23 and the sleeve 24 are subjected to adaptive telescopic adjustment, so that the scraping rod 26 is convenient for scraping the solution level, and water flows on the solution level uniformly.
Example III
Referring to fig. 1-3, a controllable hydrolysis production device for polylactic acid in the drawings comprises a bin body 1, wherein a motor 2 is fixedly connected to the top surface of the bin body 1, a water injection pipe 3 is fixedly communicated with the top of the bin body 1, a water outlet pipe 4 is fixedly communicated with the bottom of the bin body 1, and a valve 5 is arranged on the water outlet pipe 4; the device also comprises an adjusting assembly 6, wherein the adjusting assembly 6 for adjusting the water injection angle is arranged at the end part of the water injection pipe 3; the stirring assembly 27 is matched with the adjusting assembly 6 to stir, and the stirring assembly 27 is arranged in the middle of the bin body 1.
Referring to fig. 4 and 6, the adjusting assembly 6 in the drawing includes a sliding plate 7 and a hose 8 communicated with the water injection pipe 3, a fixing ring 9 is fixedly communicated with the bottom end of the hose 8, a rotating rod 10 is rotatably connected to the outer surface of the fixing ring 9, a first elastic pull rope 11 is connected between the fixing ring 9 and the bin 1 in a hanging fit manner, a fixing plate 12 is fixedly connected to the end portion of the sliding plate 7, a first sliding groove 13 which is vertically distributed and is slidably matched with the rotating rod 10 is formed in the fixing plate 12, and a movable assembly 14 which drives the hose 8 to reciprocate back and forth is arranged in the middle of the sliding plate 7.
Referring to fig. 5, the movable assembly 14 in the drawing includes a sleeve 15, an output shaft of the motor 2 penetrates into the bin body 1 and is fixedly connected with the sleeve 15, a turntable 16 is fixedly connected to an outer surface of the sleeve 15, a first latch group 17 is fixedly connected to an outer surface of the turntable 16, a second latch group 18 in meshed contact with the first latch group 17 is fixedly connected to a middle part of the sliding plate 7, a second sliding groove 19 is formed in the bottom of the sliding plate 7, a limiting plate 20 fixedly connected with the bin body 1 is slidably matched in the second sliding groove 19, a second elastic pull rope 33 is fixedly connected between the sliding plate 7 and the bin body 1 in a hanging manner, and two pushing assemblies 21 for leveling the top of the solution to uniformly disperse water are arranged on side surfaces of the sliding plate 7.
Referring to fig. 5, the pushing assembly 21 in the drawing includes a connecting rod 22 fixedly connected with the sliding plate 7, a sleeve rod 23 fixedly connected with an end of the connecting rod 22, a sleeve 24 sleeved on an outer surface of the sleeve rod 23, a floating plate 25 fixedly connected with a bottom of the sleeve 24, and a scraping rod 26 fixedly connected with an outer surface of the floating plate 25.
Referring to fig. 5, a baffle 39 is disposed at a side of the floating plate 25 in the drawing, a connecting rod 40 is fixedly connected between the baffle 39 and the sleeve 24, and the top of the floating plate 25 has a structure with a middle height and a lower outer height.
Referring to fig. 7-8, the stirring assembly 27 in the drawings includes a stirring plate 28 fixedly connected with a sleeve 15, a movable slot 29 is penetrated through the side surface of the stirring plate 28, a rotating plate 30 is rotatably matched in the movable slot 29, a first rotating rod 31 penetrating out of the stirring plate 28 and penetrating into the sleeve 15 is fixedly connected in the middle of the rotating plate 30, a limiting plate 32 rotating in the stirring plate 28 is fixedly connected to the first rotating rod 31, a fixing rod 34 fixedly connected with the bottom of the bin body 1 is movably matched in the sleeve 15, a plurality of first bevel gears 35 are fixedly connected to the fixing rod 34, a second bevel gear 36 meshed with the first bevel gears 35 is arranged in the sleeve 15, and the center shaft of the second bevel gear 36 is fixedly connected with the first rotating rod 31 penetrating into the sleeve 15.
In this embodiment, the baffle 39 prevents the polylactic acid with slow softening from adhering to the floating plate 25, which affects the floating plate 25, and the top of the floating plate 25 is in a structure with high middle and low outer, so as to prevent moisture from accumulating on the floating plate 25.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A polylactic acid controllable hydrolysis production device, comprising:
the water injection device comprises a bin body (1), wherein a motor (2) is fixedly connected to the top surface of the bin body (1), a water injection pipe (3) is fixedly communicated with the top of the bin body (1), a water outlet pipe (4) is fixedly communicated with the bottom of the bin body (1), and a valve (5) is arranged on the water outlet pipe (4);
characterized by further comprising:
the adjusting component (6) is used for adjusting the water injection angle, and the adjusting component (6) is arranged at the end part of the water injection pipe (3);
the stirring assembly (27) is matched with the adjusting assembly (6) to stir, and the stirring assembly (27) is arranged in the middle of the bin body (1);
the adjusting component (6) comprises a sliding plate (7) and a hose (8) communicated with the water injection pipe (3), a fixed ring (9) is fixedly communicated with the bottom end of the hose (8), a rotating rod (10) is rotationally connected to the outer surface of the fixed ring (9), a first elastic pull rope (11) is connected between the fixed ring (9) and the bin body (1) in a hanging fit mode, a fixed plate (12) is fixedly connected to the end portion of the sliding plate (7), a first sliding groove (13) which is vertically distributed and is in sliding fit with the rotating rod (10) is formed in the fixed plate (12), and a movable component (14) which drives the hose (8) to reciprocate back and forth is arranged in the middle of the sliding plate (7);
the movable assembly (14) comprises a sleeve (15), an output shaft of the motor (2) penetrates into the bin body (1) and is fixedly connected with the sleeve (15), a rotary table (16) is fixedly connected to the outer surface of the sleeve (15), a first latch group (17) is fixedly connected to the outer surface of the rotary table (16), a second latch group (18) which is in meshed contact with the first latch group (17) is fixedly connected to the middle of the sliding plate (7), a second sliding groove (19) is formed in the bottom of the sliding plate (7), a limiting plate (20) which is fixedly connected with the bin body (1) is in sliding fit with the second sliding groove (19), a second elastic pull rope (33) is connected between the sliding plate (7) and the bin body (1) in a hanging fit mode, and two pushing assemblies (21) which are used for leveling the top of a solution and enabling water to be dispersed uniformly are arranged on the side face of the sliding plate (7).
The pushing assembly (21) comprises a connecting rod (22) fixedly connected with the sliding plate (7), a sleeve rod (23) is fixedly connected to the end part of the connecting rod (22), a sleeve pipe (24) is sleeved on the outer surface of the sleeve rod (23), a floating plate (25) is fixedly connected to the bottom of the sleeve pipe (24), and a scraping rod (26) is fixedly connected to the outer surface of the floating plate (25);
stirring subassembly (27) include with fixed stirring board (28) are connected to sleeve (15), stirring board (28) side runs through and is equipped with movable groove (29), movable groove (29) internal rotation cooperation has rotating plate (30), rotating plate (30) middle part fixedly connected with wear out stirring board (28) and penetrate first dwang (31) in sleeve (15), fixedly connected with on first dwang (31) in stirring board (28) internal rotation spacing dish (32), movable fit has in sleeve (15) with fixed dead lever (34) are connected to storehouse body (1) bottom, fixedly connected with first bevel gear (35) on dead lever (34), be equipped with in sleeve (15) with second bevel gear (36) of first bevel gear (35) meshing, second bevel gear (36) axis with penetrate in sleeve (15) first dwang (31) are connected fixedly.
2. The polylactic acid controllable hydrolysis production device according to claim 1, wherein: the end part of the rotating rod (10) is fixedly connected with a limiting block (37), and limiting sliding plates (38) are arranged at two ends of the limiting plate (20).
3. The polylactic acid controllable hydrolysis production device according to claim 1, wherein: the side of the floating plate (25) is provided with a baffle (39), a connecting rod (40) is fixedly connected between the baffle (39) and the sleeve (24), and the top of the floating plate (25) is of a structure with middle height and outer low height.
4. The polylactic acid controllable hydrolysis production device according to claim 1, wherein: the other end of the rotating plate (30) is fixedly connected with a second rotating rod (41) penetrating out of the stirring plate (28), and the end part of the second rotating rod (41) is fixedly connected with a fan blade (42).
5. The method of using a polylactic acid controlled hydrolysis production apparatus according to any one of claims 1 to 4, comprising the steps of;
s1, injecting water, and injecting the water into the bin body (1) through the water injection pipe (3);
s2, running, wherein the motor (2) drives the stirring assembly (27) and the adjusting assembly (6) to run, so that water entering the bin body (1) is sprayed to the periphery of the plane of the bin body (1), and uniform stirring is facilitated;
s3, discharging, opening a valve (5), and discharging the uniformly stirred and hydrolyzed solution through a discharging pipe.
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Denomination of invention: A controllable hydrolysis production equipment and method for polylactic acid Granted publication date: 20240209 Pledgee: Industrial and Commercial Bank of China Limited Longquan Sub branch Pledgor: Zhejiang Longquan Hongye New Material Co.,Ltd. Registration number: Y2024330001148 |