CN114950311A - Controllable hydrolysis production equipment and method for polylactic acid - Google Patents
Controllable hydrolysis production equipment and method for polylactic acid Download PDFInfo
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- CN114950311A CN114950311A CN202210452406.8A CN202210452406A CN114950311A CN 114950311 A CN114950311 A CN 114950311A CN 202210452406 A CN202210452406 A CN 202210452406A CN 114950311 A CN114950311 A CN 114950311A
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- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 29
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 17
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 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 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 239000000243 solution Substances 0.000 claims abstract description 17
- 238000005903 acid hydrolysis reaction Methods 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 244000309464 bull Species 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000007790 scraping Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 7
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001727 in vivo 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
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 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
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- 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 controllable polylactic acid hydrolysis production equipment and a method thereof, relates to the technical field of polylactic acid production equipment, and solves the problem of low hydrolysis efficiency in the prior art, and the controllable polylactic acid hydrolysis production equipment comprises 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 the water outlet pipe is provided with a valve; the water injection pipe is characterized by also comprising 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 arranged in the middle of the bin body and is matched with the adjusting assembly for stirring, the flexible pipe is moved back and forth through the moving sliding plate, and the stirring device and the scraping rod which pushes and pulls 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.
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 known as polylactide, is a polyester polymer obtained by polymerizing lactic acid as a main raw material, is a novel biodegradable material, has good thermal stability and good solvent resistance at a processing temperature of 170-230 ℃, and can be processed in various ways, such as extrusion, spinning, biaxial stretching and injection blow molding. The product made of polylactic acid can be biodegraded, and has good biocompatibility, glossiness, transparency, hand feeling and heat resistance.
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 the fact that the polylactic acid is too viscous and the added water is not uniformly dispersed in the initial stirring stage.
Disclosure of Invention
The invention aims to provide controllable polylactic acid 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 purpose, the invention provides the following technical scheme: a controllable polylactic acid hydrolysis production device comprises 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 water injection pipe is characterized by also comprising an adjusting assembly, wherein the adjusting assembly 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 is arranged in the middle of the bin body.
Preferably, the adjusting part include the slide and with the hose of water injection pipe intercommunication, hose bottom mounting intercommunication has solid fixed ring, gu fixed ring surface rotates and is connected with the bull stick, gu fixed ring with it has first elasticity stay cord to articulate the cooperation between the storehouse body, slide tip fixedly connected with fixed plate, seted up on the fixed plate be vertical distribution and with a bull stick sliding fit's first sliding tray, the slide middle part is equipped with the drive the flexible subassembly of the reciprocal activity of making a round trip of hose.
Preferably, the movable assembly includes the sleeve, motor output shaft penetrate the storehouse in vivo with muffjoint is fixed, sleeve surface fixedly connected with carousel, the first latch group of carousel surface fixedly connected with, slide middle part fixedly connected with the second latch group of first latch group meshing contact, the second sliding tray has been seted up to the slide bottom, sliding fit has in the second sliding tray with the fixed limiting plate of bin body coupling, the slide with articulate the cooperation between the storehouse body and have second elasticity stay cord, the slide side is equipped with two promotion subassemblies that are used for flattening solution top messenger moisture dispersion uniformity.
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 is sleeved on the outer surface of the sleeve rod, a floating plate is fixedly connected with the bottom of the sleeve, and a scraping rod is fixedly connected with the outer surface of the floating plate.
Preferably, the stirring assembly comprises a stirring plate fixedly connected with the sleeve, a movable groove penetrates through the side face of the stirring plate, the rotating plate is rotationally matched in the movable groove, the middle part of the rotating plate is fixedly connected with a first rotating rod penetrating out of the stirring plate and penetrating into the sleeve, a limiting disc which is rotationally matched in the stirring plate is fixedly connected to the first rotating rod, a fixed 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 fixed 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 is fixedly connected with the first rotating rod penetrating into the sleeve.
Preferably, the rotating rod end is fixedly connected with a limiting block, and limiting sliding plates are arranged at two ends of the limiting plate, so that the activity stability is improved.
Preferably, a baffle is arranged on the side of the floating plate, a connecting rod is fixedly connected between the baffle and the sleeve, and the top of the floating plate is of a structure with a middle-high part and a low part, so that the floating plate is prevented from being influenced.
Preferably, the other end fixedly connected with of commentaries on classics board wears out the second dwang of stirring board, second dwang tip fixedly connected with fan blade increases stirring efficiency.
The use method of the polylactic acid controllable hydrolysis production equipment comprises the following steps;
s1, injecting water, namely injecting water into the bin body through the water injection pipe;
s2, operating, namely driving the stirring assembly and the adjusting assembly to operate through the motor, so that water entering the bin body is sprayed to the periphery of the plane of the bin body, and uniform stirring is facilitated;
and S3, discharging, namely 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:
the movable sliding plate enables the hose to move back and forth, and the stirring device and the scraping rod which pushes and pulls 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 view 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 cartridge body of the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIG. 5 is a schematic view of the left portion of FIG. 4;
FIG. 6 is a sectional side view of the fixing plate shown in FIG. 5;
FIG. 7 is a schematic sectional view of the stirring assembly shown in FIG. 4;
fig. 8 is an enlarged view of the left end structure of fig. 7.
In the figure: 1-a cabin body; 2, a motor; 3-water injection pipe; 4-water outlet pipe; 5-a valve; 6-a regulating component; 7-a sliding plate; 8-a hose; 9-a fixing ring; 10-a rotating rod; 11-a first elastic pull cord; 12-a fixing plate; 13-a first sliding groove; 14-a movable component; 15-a sleeve; 16-a turntable; 17-a first set of teeth; 18-a second set of teeth; 19-a second sliding groove; 20-a limiting plate; 21-a pushing assembly; 22-a connecting rod; 23-a loop bar; 24-a cannula; 25-a floating plate; 26-a scraping bar; 27-a stirring assembly; 28-stirring plate; 29-a movable slot; 30-rotating the plate; 31-a first turning lever; 32-a limiting disc; 33-a second elastic pull cord; 34-a fixing rod; 35-a first bevel gear; 36-a second bevel gear; 37-a limiting block; 38-limiting sliding plate; 39-a baffle; 40-a connecting rod; 41-a second swivelling lever; 42-fan blades.
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.
Example one
Referring to fig. 1-3, a controllable polylactic acid hydrolysis production device shown in the figure 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 water injection device also comprises an adjusting component 6, wherein the adjusting component 6 for adjusting the water injection angle is arranged at the end part of the water injection pipe 3; the stirring component 27 is matched with the adjusting component 6 to stir, and the stirring component 27 is arranged in the middle of the bin body 1.
Referring to fig. 4 and 6, the adjusting assembly 6 shown in the figure comprises a sliding plate 7 and a hose 8 communicated with the water injection pipe 3, the bottom end of the hose 8 is fixedly communicated with a fixing ring 9, the outer surface of the fixing ring 9 is rotatably connected with a rotating rod 10, a first elastic pull rope 11 is hung between the fixing ring 9 and the bin body 1 in a matching manner, the end part of the sliding plate 7 is fixedly connected with a fixing plate 12, a first sliding groove 13 which is vertically distributed and is in sliding fit 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 shown in the figure includes a sleeve 15, an output shaft of the motor 2 penetrates into the bin body 1 and is connected and fixed with the sleeve 15, an outer surface of the sleeve 15 is fixedly connected with a rotating disc 16, an outer surface of the rotating disc 16 is fixedly connected with a first clamping tooth group 17, a middle portion of the sliding plate 7 is fixedly connected with a second clamping tooth group 18 in meshing contact with the first clamping tooth group 17, 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 in sliding fit in the second sliding groove 19, a second elastic pull rope 33 is in hanging fit between the sliding plate 7 and the bin body 1, and two pushing assemblies 21 used for leveling the top of the solution and enabling the moisture to be uniformly dispersed are arranged on the side surface of the sliding plate 7.
Referring to fig. 7-8, the illustrated stirring assembly 27 includes a stirring plate 28 connected and fixed to the sleeve 15, a movable slot 29 is formed through a side surface of the stirring plate 28, a rotating plate 30 is rotatably fitted in the movable slot 29, a first rotating rod 31 penetrating through the stirring plate 28 and penetrating into the sleeve 15 is fixedly connected to a middle portion 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 to a bottom of the silo 1 is movably fitted in the sleeve 15, a plurality of first bevel gears 35 are fixedly connected to the fixing rod 34, a second bevel gear 36 engaged with the first bevel gear 35 is disposed in the sleeve 15, and a central axis of the second bevel gear 36 is fixedly connected to the first rotating rod 31 penetrating into the sleeve 15.
Wherein, 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 use method of the polylactic acid controllable hydrolysis production equipment comprises the following steps;
s1, injecting water, namely injecting water into a bin body 1 through a water injection pipe 3;
s2, operating, namely driving the stirring component 27 and the adjusting component 6 to operate 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, namely 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, under the action of the limit plate 20 and the second sliding groove 19, the sliding plate 7 can only slide, under the action of the first latch group 17, the second latch group 18 and the second elastic pull rope 33, the sliding plate 7 can reciprocate back and forth, the fixing plate 12 reciprocates back and forth, the fixing ring 9 can slide back and forth along the first sliding groove 13, the flexible pipe 8 with elastic contraction capacity is adjusted adaptively, the sleeve 15 rotates and drives the stirring plate 28 to rotate, the rotating stirring plate 28 enables the second bevel gear 36 to rotate horizontally by taking the fixed rod 34 as a rotating shaft, at the same time, the second bevel gear 36 is rotated by the meshing action of the fixed first bevel gear 35, so as to drive the rotating plate 30 to rotate along the movable slot 29, thereby facilitating the stirring of the circulated solution.
Example two
Referring to fig. 1-3, a controllable polylactic acid hydrolysis production device shown in the figure 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 water injection device also comprises an adjusting component 6, wherein the adjusting component 6 for adjusting the water injection angle is arranged at the end part of the water injection pipe 3; the stirring component 27 is matched with the adjusting component 6 to stir, and the stirring component 27 is arranged in the middle of the bin body 1.
Referring to fig. 4 and 6, the adjusting assembly 6 shown in the figure comprises a sliding plate 7 and a hose 8 communicated with the water injection pipe 3, the bottom end of the hose 8 is fixedly communicated with a fixing ring 9, the outer surface of the fixing ring 9 is rotatably connected with a rotating rod 10, a first elastic pull rope 11 is hung between the fixing ring 9 and the bin body 1 in a matching manner, the end part of the sliding plate 7 is fixedly connected with a fixing plate 12, a first sliding groove 13 which is vertically distributed and is in sliding fit 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 shown in the figure includes a sleeve 15, an output shaft of the motor 2 penetrates into the bin body 1 and is connected and fixed with the sleeve 15, an outer surface of the sleeve 15 is fixedly connected with a rotating disc 16, an outer surface of the rotating disc 16 is fixedly connected with a first clamping tooth group 17, a middle portion of the sliding plate 7 is fixedly connected with a second clamping tooth group 18 in meshing contact with the first clamping tooth group 17, 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 in sliding fit in the second sliding groove 19, a second elastic pull rope 33 is in hanging fit between the sliding plate 7 and the bin body 1, and two pushing assemblies 21 used for leveling the top of the solution and enabling the moisture to be uniformly dispersed are arranged on the side surface of the sliding plate 7.
Referring to fig. 5, the pushing assembly 21 shown in the figure includes a connecting rod 22 fixedly connected to the sliding plate 7, a sleeve rod 23 fixedly connected to 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 to a bottom of the sleeve 24, and a scraping rod 26 fixedly connected to an outer surface of the floating plate 25.
Referring to fig. 7-8, the illustrated stirring assembly 27 includes a stirring plate 28 connected and fixed to a sleeve 15, a movable slot 29 is formed through a side surface of the stirring plate 28, a rotating plate 30 is rotatably fitted in the movable slot 29, a first rotating rod 31 penetrating through the stirring plate 28 and penetrating into the sleeve 15 is fixedly connected to a middle portion 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 connected and fixed to a bottom of the silo 1 is movably fitted in the sleeve 15, a plurality of first bevel gears 35 are fixedly connected to the fixing rod 34, a second bevel gear 36 engaged with the first bevel gear 35 is arranged in the sleeve 15, and a central shaft of the second bevel gear 36 is connected and fixed to the first rotating rod 31 penetrating into the sleeve 15.
In this embodiment, the slide plate 7 reciprocating 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 loop bar 23 and the sleeve 24 are adjusted in an adaptive telescopic manner, so that the scraping rod 26 can scrape the solution surface evenly, and water can flow on the solution surface evenly.
EXAMPLE III
Referring to fig. 1-3, a controllable polylactic acid hydrolysis production device shown in the figure 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 water injection device also comprises an adjusting component 6, wherein the adjusting component 6 for adjusting the water injection angle is arranged at the end part of the water injection pipe 3; the stirring component 27 is matched with the adjusting component 6 to stir, and the stirring component 27 is arranged in the middle of the bin body 1.
Referring to fig. 4 and 6, the adjusting assembly 6 shown in the figure comprises a sliding plate 7 and a hose 8 communicated with the water injection pipe 3, the bottom end of the hose 8 is fixedly communicated with a fixing ring 9, the outer surface of the fixing ring 9 is rotatably connected with a rotating rod 10, a first elastic pull rope 11 is hung between the fixing ring 9 and the bin body 1 in a matching manner, the end part of the sliding plate 7 is fixedly connected with a fixing plate 12, a first sliding groove 13 which is vertically distributed and is in sliding fit 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 shown in the figure includes a sleeve 15, an output shaft of the motor 2 penetrates into the bin body 1 and is connected and fixed with the sleeve 15, an outer surface of the sleeve 15 is fixedly connected with a rotating disc 16, an outer surface of the rotating disc 16 is fixedly connected with a first clamping tooth group 17, a middle portion of the sliding plate 7 is fixedly connected with a second clamping tooth group 18 in meshing contact with the first clamping tooth group 17, 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 in sliding fit in the second sliding groove 19, a second elastic pull rope 33 is in hanging fit between the sliding plate 7 and the bin body 1, and two pushing assemblies 21 used for leveling the top of the solution and enabling the moisture to be uniformly dispersed are arranged on the side surface of the sliding plate 7.
Referring to fig. 5, the pushing assembly 21 shown in the figure includes a connecting rod 22 fixedly connected to the sliding plate 7, a sleeve rod 23 fixedly connected to 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 to a bottom of the sleeve 24, and a scraping rod 26 fixedly connected to 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, a connecting rod 40 is fixedly connected between the baffle 39 and the sleeve 24, and the top of the floating plate 25 is a structure with a middle height and a low height.
Referring to fig. 7-8, the illustrated stirring assembly 27 includes a stirring plate 28 connected and fixed to the sleeve 15, a movable slot 29 is formed through a side surface of the stirring plate 28, a rotating plate 30 is rotatably fitted in the movable slot 29, a first rotating rod 31 penetrating through the stirring plate 28 and penetrating into the sleeve 15 is fixedly connected to a middle portion 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 to a bottom of the silo 1 is movably fitted in the sleeve 15, a plurality of first bevel gears 35 are fixedly connected to the fixing rod 34, a second bevel gear 36 engaged with the first bevel gear 35 is disposed in the sleeve 15, and a central axis of the second bevel gear 36 is fixedly connected to the first rotating rod 31 penetrating into the sleeve 15.
In this embodiment, set up through baffle 39 and avoid softening slow polylactic acid to glue on floating plate 25, influence floating plate 25, and floating plate 25 top is the structure of height outside, avoids moisture to pile up on floating plate 25.
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 (9)
1. A controllable hydrolysis production device for polylactic acid comprises:
the bin body (1), the top surface of the bin body (1) is fixedly connected with a motor (2), the top of the bin body (1) is fixedly communicated with a water injection pipe (3), the bottom of the bin body (1) is fixedly communicated with a water outlet pipe (4), and a valve (5) is arranged on the water outlet pipe (4);
it is characterized by also comprising:
the adjusting assembly (6) is used for adjusting the water injection angle, and the adjusting assembly (6) is arranged at the end part of the water injection pipe (3);
the stirring component (27) is matched with the adjusting component (6) to stir, and the stirring component (27) is arranged in the middle of the bin body (1).
2. The controllable hydrolysis production equipment of polylactic acid according to claim 1, characterized in that: adjusting part (6) including slide (7) and with hose (8) of water injection pipe (3) intercommunication, hose (8) bottom mounting intercommunication has solid fixed ring (9), gu fixed ring (9) surface rotates and is connected with bull stick (10), gu fixed ring (9) with it has first elasticity stay cord (11) to articulate the cooperation between the storehouse body (1), slide (7) tip fixedly connected with fixed plate (12), seted up on fixed plate (12) be vertical distribution and with bull stick (10) sliding fit's first sliding tray (13), slide (7) middle part is equipped with the drive flexible pipe (8) make a round trip movable subassembly (14) of reciprocal activity.
3. The controllable hydrolysis production device of polylactic acid according to claim 2, characterized in that: the movable component (14) comprises a sleeve (15), the output shaft of the motor (2) penetrates into the bin body (1) and is fixedly connected with the sleeve (15), the outer surface of the sleeve (15) is fixedly connected with a rotary table (16), the outer surface of the rotary table (16) is fixedly connected with a first clamping tooth group (17), the middle part of the sliding plate (7) is fixedly connected with a second clamping tooth group (18) which is meshed and contacted with the first clamping tooth group (17), a second sliding groove (19) is formed at the bottom of the sliding plate (7), a limiting plate (20) fixedly connected with the bin body (1) is in sliding fit in the second sliding groove (19), a second elastic pull rope (33) is hung and matched between the sliding plate (7) and the bin body (1), two pushing assemblies (21) used for leveling the top of the solution and enabling the moisture to be uniformly dispersed are arranged on the side face of the sliding plate (7).
4. The controllable hydrolysis production device of polylactic acid according to claim 2, characterized in that: promote subassembly (21) include with slide (7) are connected fixed connecting rod (22), connecting rod (22) tip fixedly connected with loop bar (23), loop bar (23) surface cover is equipped with sleeve pipe (24), the bottom fixedly connected with kickboard (25) of sleeve pipe (24), kickboard (25) surface fixedly connected with scraper bar (26).
5. The controllable hydrolysis production device of polylactic acid according to claim 3, wherein: the stirring component (27) comprises a stirring plate (28) which is fixedly connected with the sleeve (15), a movable groove (29) is arranged on the side surface of the stirring plate (28) in a penetrating way, a rotating plate (30) is rotationally matched in the movable groove (29), the middle part of the rotating plate (30) is fixedly connected with a first rotating rod (31) which penetrates out of the stirring plate (28) and penetrates into the sleeve (15), the first rotating rod (31) is fixedly connected with a limiting disc (32) which rotates in the stirring plate (28), a fixed rod (34) which is 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 fixed rod (34), a second bevel gear (36) meshed with the first bevel gear (35) is arranged in the sleeve (15), the middle shaft of the second bevel gear (36) is fixedly connected with the first rotating rod (31) penetrating into the sleeve (15).
6. The controllable hydrolysis production device of polylactic acid according to claim 3, 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).
7. The controllable hydrolysis production device of polylactic acid according to claim 4, wherein: a baffle plate (39) is arranged on the side of the floating plate (25), a connecting rod (40) is fixedly connected between the baffle plate (39) and the sleeve (24), and the top of the floating plate (25) is of a structure with a middle height and a low outside.
8. The controllable polylactic acid hydrolysis production apparatus and the method thereof according to claim 5, wherein: the other end fixedly connected with of commentaries on classics board (30) wears out second dwang (41) of stirring board (28), second dwang (41) tip fixedly connected with fan blade (42).
9. The use method of the controllable hydrolysis production equipment for polylactic acid according to any one of claims 1 to 8, comprising the steps of;
s1, injecting water, namely injecting water into the bin body (1) through the water injection pipe (3);
s2, operating, namely driving a stirring component (27) and the adjusting component (6) to operate through the motor (2), so that water entering the cabin body (1) is sprayed to the periphery of the plane of the cabin body (1) to facilitate uniform stirring;
s3, discharging, namely 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 |
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