CN114992995B - Pre-crystallization drying equipment and process for polyester chips - Google Patents
Pre-crystallization drying equipment and process for polyester chips Download PDFInfo
- Publication number
- CN114992995B CN114992995B CN202210686306.1A CN202210686306A CN114992995B CN 114992995 B CN114992995 B CN 114992995B CN 202210686306 A CN202210686306 A CN 202210686306A CN 114992995 B CN114992995 B CN 114992995B
- Authority
- CN
- China
- Prior art keywords
- tray
- polyester chip
- chip particles
- guide rail
- polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920000728 polyester Polymers 0.000 title claims abstract description 149
- 238000001035 drying Methods 0.000 title claims abstract description 51
- 238000002425 crystallisation Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 121
- 239000000428 dust Substances 0.000 claims abstract description 70
- 230000008025 crystallization Effects 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000012886 Vertigo Diseases 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
-
- 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 provides a device and a process for pre-crystallizing and drying polyester chips, wherein the device comprises: a guide rail; and a tray sliding on the guide rail; further comprises: the conveying component uniformly conveys the polyester chip particles to the tray; the dust removing chamber is used for removing dust from polyester chip particles on the tray; the pre-crystallization drying chamber is used for heating and drying the polyester chip particles on the tray; the collecting component collects polyester chip particles after being heated and dried by the pre-crystallization drying chamber. In the invention, polyester chip particles are uniformly conveyed to a tray through a conveying component; the dust removal chamber is used for removing dust from polyester chip particles on the tray, dust on the surfaces of the polyester chip particles is removed before the pre-crystallization drying process, the powder is prevented from melting, adhesion between the polyester chip particles in adjacent contact is prevented, and the product quality is improved.
Description
Technical Field
The invention relates to the technical field of polyester chip production, in particular to a device and a process for pre-crystallizing and drying polyester chips.
Background
The process for producing the polyester fiber generally comprises feeding, pre-crystallization, drying, melt extrusion, metering and post-spinning treatment, wherein the purpose of the pre-crystallization is to avoid the problems of polymer degradation, polymer macromolecule breakage, high spinning breakage rate, low finished product strength and the like caused by the high-temperature melting process of the polyester chip containing moisture, and the moisture content in the chip must be reduced before spinning, so that the pre-crystallization of the polyester chip is not necessary.
Chinese patent application No. 201910341083.3 discloses a polyester chip pre-crystallization system, the working principle of which is: the section drops to the conveyer belt through the inlet pipe, driving motor makes the section along with the conveyer belt forward movement, and first hot-blast main and second hot-blast main blow out hot air this moment, and hot air is along conveyer belt surface from the storage chamber bottom, and along the orbit motion of hot air flow roll, when section motion to conveyer belt side department, hot air in the second hot-blast main will be through the jet-propelled upwards slant of second to order about the section towards storage chamber middle part motion, finally will drop in first hot-blast main both sides, the section constantly circulates and rolls. Meanwhile, when the conveying belt moves, the rotating rod is driven to drive the pendulum bob to continuously strike the lower side of the conveying belt, so that the slice at the bottom of the storage cavity moves upwards, the first jet head is finally convenient to blow the slice to the edge of the conveying belt, the slice is dried through the gap between the slices when the slice rolls, the extrusion force between the slices is small, the possibility of adhesion after the slice is pressed is reduced, and the product quality is improved.
However, the following problems exist in the technical scheme: during transportation, the polyester chips are rubbed against each other to produce powders, which are fed and then transported together to pre-crystallize and dry, and during the pre-crystallize and dry process, the powders melt and bond between adjacent polyester chip particles, thereby affecting the quality of the product.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a pre-crystallization drying device for polyester chips, which is used for uniformly conveying polyester chip particles to a tray through a conveying component; the dust removal chamber is used for removing dust from polyester chip particles on the tray, dust on the surfaces of the polyester chip particles is removed before the pre-crystallization drying process, the powder is prevented from melting, adhesion between the polyester chip particles in adjacent contact is prevented, and the product quality is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions: a pre-crystallization drying device for polyester chips, comprising: a guide rail; and a tray sliding on the guide rail; further comprises: the conveying component uniformly conveys the polyester chip particles to the tray; the dust removing chamber is used for removing dust from polyester chip particles on the tray; the pre-crystallization drying chamber is used for heating and drying the polyester chip particles on the tray; a collecting part for collecting the polyester chip particles after being heated and dried by the pre-crystallization drying chamber; the tray includes: a bottom plate; the clamping jaws are arranged on the bottom plate in a plurality of groups, and clamp and fix the polyester chip particles along with the change of temperature.
Further, the clamping jaw comprises: two sets of first baffle plates which are oppositely arranged; and two groups of second baffle plates which are oppositely arranged, wherein the first baffle plates are made of materials with different thermal expansion coefficients of the inner layer and the outer layer, and the first baffle plates are inwards bent along with the change of temperature to clamp polyester chip particles.
Preferably, the feeding part includes: a loading hopper; a dithering assembly; a screeding assembly; and the feeding funnel conveys polyester chips to the tray, polyester chip particles on the tray are shaken through the shaking assembly, the scraping assembly scrapes redundant polyester chip particles on the tray, and the scraped polyester chip particles are conveyed back to the feeding funnel through the recycling assembly.
Further, the dithering assembly includes: a moving block sliding on the guide rail; the connecting plate a is arranged at the bottom of the tray; the guide rod is arranged on the moving block and penetrates through the connecting plate a; the elastic support piece is arranged on the guide rod; the wave-shaped track is arranged on one side of the guide rail; and the abutting rod is arranged at the bottom of the tray and abuts against the wavy track.
Preferably, the scraping assembly includes: the scraping plate is arranged above the guide rail and used for scraping redundant polyester chip particles on the tray; the scraper includes a pointed end, a square end, and a tapered end.
Further, the squeegee includes: the pushing plates are symmetrically arranged; the fixed plates are arranged on the pushing plate, and the two groups of fixed plates are connected through an elastic connecting piece; the square block is arranged at one end of the pushing plate, a sliding groove is formed in the square block, and the sliding groove comprises a first section, a second section and a third section; the two groups of connecting plates b are symmetrically arranged on the tray; and the sliding rod is arranged on the connecting plate b and slides in the sliding groove.
Preferably, the recycling assembly includes: a material collecting box; and the polyester chip particles collected in the material collecting box are conveyed into the material loading hopper through the material conveying pipeline.
Further, the dust removal chamber includes: an outer housing; the dust removing assembly is used for removing dust on the polyester chips from a plurality of directions by blowing towards the tray; the dust removal assembly includes: a fixed shaft; the arc-shaped guide rails are arranged at two ends of the fixed shaft; the rotating block is rotatably arranged on the arc-shaped guide rail; a worm wheel mounted on the fixed shaft; the worm is rotationally arranged on the rotating block; and the air injection rod is arranged at the bottom of the rotating block.
Preferably, the air injection bar includes: a fixed rod; the length of the fixed rod and the length of the adjusting rod can be adjusted; the air nozzle is arranged on the adjusting rod; the collecting member includes: the collecting box is arranged at the tail end of the guide rail, and the tail end of the guide rail is arc-shaped.
Further, an air inlet is formed in one of the first baffle plates, an air outlet is formed in the other one of the first baffle plates, the position of the air outlet is higher than that of the air inlet, and the air sprayed out of the dust removing assembly enters through the air inlet and then is discharged from the air outlet to form rotary air flow to drive polyester chip particles to rotate.
The invention further aims at overcoming the defects of the prior art, and provides a pre-crystallization drying process for polyester chips, wherein dust on the surfaces of polyester chip particles is removed before the pre-crystallization drying process by matching a feeding process step with a dust removing process step, so that the pre-crystallization drying process has the effects of preventing the powder from melting to cause adhesion between adjacent contacted polyester chip particles and improving the product quality.
In order to achieve the above purpose, the present invention provides the following technical solutions: a pre-crystallization drying process for polyester chips, comprising the following steps:
step one, a feeding procedure: polyester chip particles are discharged onto a tray through a feeding funnel, the tray slides on a guide rail, when an abutting rod slides on a wave-shaped track, the tray is driven to reciprocate along the axial direction of a guide rod, so that shaking is formed, the polyester chip particles uniformly fall into a clamping jaw, and redundant polyester chip particles on the tray are scraped through a scraping assembly, so that the redundant polyester chip particles are prevented from splashing on the tray and falling into a dust removing cavity in a dust removing process;
step two, a dust removal procedure: the tray slides on the guide rail to the dust removing cavity, the temperature is raised, the first baffle sheet bends inwards to clamp polyester chip particles, the worm is driven by the motor to rotate, the rotating block is driven to rotate around the axis of the fixed shaft, the air injection rod is driven to rotate, the angle of the air injection rod is regulated, and the air injection rod sprays gas to remove dust on the surfaces of polyester chip particles in the clamping jaw;
step three, a pre-crystallization drying procedure: the tray slides on the guide rail to a pre-crystallization drying chamber, and the pre-crystallization drying chamber heats polyester chip particles in the clamping jaw on the tray, so that the pre-crystallization and drying processes are completed, the polyester chip particles are mutually independent and do not contact, and adhesion between the adjacent polyester chip particles is effectively prevented;
step four, discharging procedure: the tray slides to the tail end of the guide rail, the temperature is reduced, the clamping jaw is restored to the original state, the tray rotates 180 degrees, and the pre-crystallized and dried polyester chip particles fall into the collecting box under the action of gravity to finish discharging work.
The invention has the beneficial effects that:
(1) According to the invention, polyester chip particles are uniformly conveyed to a tray through a conveying component; the dust removal chamber is used for removing dust from polyester chip particles on the tray, dust on the surfaces of the polyester chip particles is removed before the pre-crystallization drying process, the powder is prevented from melting, adhesion between the polyester chip particles in adjacent contact is prevented, and the product quality is improved.
(2) When the thermal expansion coefficient of the outer layer material of the first baffle plate is larger than that of the inner layer material, the temperature is raised to enable the first baffle plate to bend inwards to clamp the polyester chip particles, so that the effect of clamping the polyester chip particles is achieved in a dust removing process, the polyester chip particles are prevented from being separated from a tray by gas blowing, and the running stability of equipment is ensured.
(3) According to the invention, the polyester chip particles fall into the clamping jaw, and in the pre-crystallization and drying processes, the polyester chip particles are mutually independent and do not contact, so that adhesion between the adjacent polyester chip particles is effectively prevented.
(4) According to the invention, polyester chip particles falling onto the tray are dithered through the dithering assembly, so that the polyester chip particles uniformly fall into the clamping jaw, and then redundant polyester chip particles on the tray are scraped through the scraping assembly, so that the redundant polyester chip particles are prevented from splashing on the tray and falling into the dust removing cavity in the dust removing process.
(5) According to the invention, the angle of the air injection rod is regulated, air is injected, and the air enters through the air inlet and is discharged from the air outlet, so that a rotary air flow is formed, polyester chip particles are rotated by the rotary air flow, dust on the surfaces of the polyester chip particles is better removed, and the dust removal effect is enhanced.
(6) When the moving block slides on the guide rail, the sliding rod slides in the sliding groove, so that the two pushing plates are driven to move outwards, the distance H between the two pushing plates is larger than the width of the guide rail, and the falling polyester chip particles are mainly prevented from falling on the guide rail to influence the use of the guide rail.
In conclusion, the invention has the advantages of simple structure, ingenious design, dust removal of polyester chip particles, clamping of polyester chip particles and the like, and has compact structure and wide practicability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a pallet according to the present invention;
FIG. 3 is an enlarged schematic view of the invention at A;
FIG. 4 is an enlarged view of the first flap of the present invention at A when bent inwardly;
FIG. 5 is a view showing a state in which the first flap is bent inward according to the present invention;
FIG. 6 is a schematic view of the structure of the material conveying part of the present invention;
FIG. 7 is a schematic front view of a pallet of the present invention;
FIG. 8 is an enlarged schematic view of the present invention at B;
FIG. 9 is a schematic diagram of a dithering assembly of the present invention;
FIG. 10 is a schematic view of a screed according to the present invention;
FIG. 11 is an enlarged schematic view of the present invention at C;
FIG. 12 is a schematic view of a screed according to the present invention in a first state of use;
FIG. 13 is a schematic view of a second condition of the screed of the present invention in use;
FIG. 14 is a schematic view of a sliding tray structure according to the present invention;
FIG. 15 is a schematic view of a dust removing assembly according to the present invention;
FIG. 16 is a schematic view of the structure of the inlet and outlet ports of the present invention;
FIG. 17 is a schematic diagram of the intake state of the present invention;
fig. 18 is a schematic view of the structure of the jet rod according to the present invention.
Reference numerals
1. A guide rail; 2. a tray; 21. a bottom plate; 22. a clamping jaw; 221. a first baffle; 2211. an air inlet; 2212. an exhaust port; 222. a second baffle; 3. a material conveying component; 31. a loading hopper; 32. a dithering assembly; 321. a moving block; 322. a connecting plate a; 323. a guide rod; 324. an elastic support; 325. a wave track; 326. a touch-up rod; 33. a screeding assembly; 331. a scraper; 3311. a pointed end; 3312. square ends; 3313. a tapered end; 3314. a pushing plate; 3315. a fixing plate; 3316. an elastic connection member; 3317. a square block; 33171. a sliding groove; 331711, first section; 331712, second section; 331713, third section; 3318. a connecting plate b; 3319. a slide bar; 34. a recovery assembly; 341. a material collecting box; 342. a material conveying pipeline; 4. a dust removal chamber; 41. an outer housing; 42. a dust removal assembly; 421. a fixed shaft; 422. an arc-shaped guide rail; 423. a rotating block; 424. a worm wheel; 425. a worm; 426. a jet rod; 4261. a fixed rod; 4262. an adjusting rod; 4263. an air nozzle; 5. a pre-crystallization drying chamber; 6. a collecting member; 61. and (5) collecting a box.
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.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1, the present invention provides a pre-crystallization drying apparatus for a polyester chip, comprising: a guide rail 1; and a tray 2 sliding on the guide rail 1; further comprises: the conveying part 3 is used for uniformly conveying the polyester chip particles to the tray 2 by the conveying part 3; the dust removing chamber 4 is used for removing dust from the polyester chip particles on the tray 2; a pre-crystallization drying chamber 5, wherein the pre-crystallization drying chamber 5 heats and dries the polyester chip particles on the tray 2; a collecting part 6, wherein the collecting part 6 collects the polyester chip particles after being heated and dried by the pre-crystallization drying chamber 5; heaters are arranged in the pre-crystallization drying chamber 5 and the dedusting chamber 4.
Further, as shown in fig. 2, the tray 2 includes: a bottom plate 21; the clamping jaw 22, the clamping jaw 22 that the multiunit was located on the bottom plate 21 carries out the centre gripping to polyester chip granule along with the change of temperature and fixes.
According to the invention, polyester chip particles are uniformly conveyed to a tray 2 through a conveying part 3; the dust removal chamber 4 is used for removing dust from polyester chip particles on the tray 2; and then, the pre-crystallization drying chamber 5 is used for pre-crystallization drying of the polyester chip particles on the tray 2, dust on the surfaces of the polyester chip particles is removed before the pre-crystallization drying process, the powder is prevented from melting, adhesion between the adjacent polyester chip particles is prevented, and the product quality is improved.
Preferably, as shown in fig. 3, the jaw 22 comprises: two sets of first blocking pieces 221 disposed opposite to each other; and two sets of second blocking pieces 222 oppositely arranged, wherein the first blocking pieces 221 are made of materials with different thermal expansion coefficients of the inner layer and the outer layer, and the first blocking pieces 221 are bent inwards along with the change of temperature to clamp the polyester chips;
specifically, as shown in fig. 5, when the thermal expansion coefficient of the outer layer material on the first baffle 221 is greater than that of the inner layer material, the first baffle 221 will expand due to the increased temperature, but the thermal expansion coefficient of the outer layer material on the first baffle 221 is greater than that of the inner layer material, so that the expansion amount of the outer layer material is greater, the expansion amount of the inner layer material is smaller, and the first baffle 221 bends inwards to clamp the polyester chip particles, so that the effect of clamping the polyester chip particles is achieved in the dust removal process, the polyester chip particles are prevented from being blown away from the tray 2 by gas, and the stability of the operation of the equipment is ensured.
Secondly, in the pre-crystallization and drying process, the polyester chip particles fall into the clamping jaw 22, so that the polyester chip particles are mutually independent and do not contact, and adhesion between the adjacent polyester chip particles is effectively prevented.
Further, as shown in fig. 6, the material feeding section 3 includes: a loading hopper 31; a dithering component 32; a screeding assembly 33; and the recycling assembly 34, the feeding funnel 31 conveys the polyester chips to the tray 2, the shaking assembly 32 shakes the polyester chip particles on the tray 2, the scraping assembly 33 scrapes the redundant polyester chip particles on the tray 2, and the scraped polyester chip particles are returned to the feeding funnel 31 through the recycling assembly 34.
According to the invention, polyester chip particles falling onto the tray 2 are dithered through the dithering component 32, so that the polyester chip particles uniformly fall into the clamping jaw 22, and then excessive polyester chip particles on the tray 2 are scraped through the scraping component 33, so that the excessive polyester chip particles are prevented from splashing on the tray 2 and falling into the dust removing cavity 4 in the dust removing process.
Preferably, as shown in fig. 7 and 8, the dithering assembly 32 includes: a moving block 321, the moving block 321 sliding on the guide rail 1; the connecting plate a322, the connecting plate a322 is installed at the bottom of the tray 2; a guide bar 323, the guide bar 323 mounted on the moving block 321 passing through the connection plate a322; an elastic support 324, the elastic support 324 is mounted on the guide rod 323; a wave track 325, the wave track 325 being provided on one side of the guide rail 1; the contact rod 326, the contact rod 326 mounted at the bottom of the tray 2 contacts the wavy track 325, and the elastic support 324 is preferably a spring.
In the invention, when the moving block 321 slides on the guide rail 1 and the contact rod 326 slides on the wavy track 325, the tray 2 is driven to reciprocate along the axial direction of the guide rod 323, so that shaking is formed, and polyester chip particles uniformly fall into the clamping jaw 22.
Further, as shown in fig. 6, the screeding assembly 33 includes: the scraping plate 331 is arranged above the guide rail 1, and the scraping plate 331 scrapes redundant polyester chip particles on the tray 2; the scraper 331 includes a pointed end 3311, a square end 3312, and a tapered end 3313.
The squeegee 331 includes: the pushing plates 3314, the two groups of pushing plates 3314 are symmetrically arranged; the fixed plate 3315, the fixed plate 3315 is mounted on the pushing plate 3314, the two groups of fixed plates 3315 are connected by the elastic connecting piece 3316; a block 3317, the block 3317 being mounted on one end of the push plate 3314, the block 3317 being provided with a sliding groove 33171, the sliding groove 33171 comprising a first section 331711, a second section 331712 and a third section 331713; the two groups of connecting plates b3318 are symmetrically arranged on the tray 2; the sliding rod 3319, the sliding rod 3319 mounted on the connection plate b3318 slides in the sliding groove 33171, and the elastic connection member 3316 is preferably a spring.
As shown in fig. 12 and 13, when the scraper 331 contacts the tray 2, the sharp end 3311 and the square end 3312 split the polyester chip particles on the tray 2, and then fall into the collection box 341 in the recovery assembly 34 through the tapered end 3313, so as to scrape off the excessive polyester chip particles on the tray 2;
it should be noted that, when the moving block 321 slides on the guide rail 1, the sliding rod 3319 slides in the sliding groove 33171, so as to drive the two pushing plates 3314 to move outwards, so that the distance H between the two pushing plates 3314 is larger than the width of the guide rail 1, and the falling polyester chip particles are mainly prevented from falling on the guide rail 1 to affect the use of the guide rail 1, and in addition, the top of the pointed end 3311 is located far away from the tray 2 just before the pushing plates 3314 move outwards.
Preferably, as depicted in fig. 6, the recovery assembly 34 includes: a collection box 341; a conveying pipeline 342, wherein polyester chip particles collected in the collecting box 341 are conveyed into the feeding funnel 31 through the conveying pipeline 342;
the collecting member 6 includes: the collecting box 61, the end of guide rail 1 is located to the collecting box 61, and the end of guide rail 1 is the arc, and tray 2 moves to the end of guide rail 1, makes tray 2 take place 180 rotations, falls into the collecting box 61 with the polyester chip granule after the crystallization drying in advance under the effect of gravity, accomplishes the work of discharging.
Example two
As shown in fig. 1, wherein the same or corresponding parts as those in embodiment one are designated by the corresponding reference numerals as those in embodiment one, only the points of distinction from embodiment one will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
further, as shown in fig. 15, the dust removing chamber 4 of the present embodiment includes: an outer case 41; the dust removing assembly 42, the dust removing assembly 42 blows dust on the polyester chips to the tray 2 from a plurality of directions, so that the gas angle adjustment is realized;
as shown in fig. 15, the dust removing assembly 42 includes: a fixed shaft 421; an arc-shaped guide rail 422, the arc-shaped guide rail 422 being installed at both ends of the fixed shaft 421; the rotating block 423, the rotating block 423 is rotatably arranged on the arc-shaped guide rail 422; a worm wheel 424, the worm wheel 424 being mounted on the fixed shaft 421; the worm 425, the worm 425 rotates and locates on turning the piece 423; the air injection bar 426. The air injection bar 426 is installed at the bottom of the rotating block 423.
Specifically, when the tray 2 moves into the dust removing chamber 4, the temperature is raised, the first baffle 221 bends inwards to clamp the polyester chip particles, the worm 425 is driven by the motor to rotate, the rotating block 423 is driven to rotate around the axis of the fixed shaft 421, the air spraying rod 426 is further driven to rotate, the angle of the air spraying rod 426 is adjusted, and the air spraying rod 426 sprays out gas to remove dust on the surfaces of the polyester chip particles in the clamping jaw 22.
The air injection bar 426 includes: the fixed rod 4261 adjusts the rod 4262, and the length of the fixed rod 4261 and the length of the fixed rod 4262 can be adjusted; an air nozzle 4263, the air nozzle 4263 being mounted on the adjustment lever 4262; as shown in fig. 18, the fixed bar 4261 is preferably threaded with the adjustment bar 4262.
Preferably, as shown in fig. 16, one of the first baffle plates 221 is provided with an air inlet 2211, the other first baffle plate 221 is provided with an air outlet 2212, the position of the air outlet 2212 is higher than that of the air inlet 2211, and the air sprayed out of the dust removing assembly 42 enters through the air inlet 2211 and then is discharged from the air outlet 2212 to form a rotary air flow to drive polyester chip particles to rotate;
it should be noted that: as shown in fig. 17, the gas enters through the gas inlet 2211 and then is discharged from the gas outlet 2212, so that a rotating gas flow is formed, and the rotating gas flow rotates the polyester chip particles, so that dust on the surfaces of the polyester chip particles is better removed, and the dust removal effect is enhanced.
Example III
The embodiment provides a pre-crystallization drying process of a polyester chip, which comprises the following steps of
Step one, a feeding procedure: polyester chip particles are discharged onto the tray 2 through the feeding funnel 31, the tray 2 slides on the guide rail 1, when the contact supporting rod 326 slides on the wavy track 325, the tray 2 is driven to reciprocate along the axial direction of the guide rod 323, so that shaking is formed, the polyester chip particles uniformly fall into the clamping jaw 22, and redundant polyester chip particles on the tray 2 are scraped through the scraping component 33, so that the redundant polyester chip particles are prevented from splashing on the tray 2 and falling into the dust removing cavity 4 in the dust removing process;
step two, a dust removal procedure: the tray 2 slides on the guide rail 1 to the dust removing chamber 4, the temperature is raised, the first baffle piece 221 is bent inwards to clamp polyester chip particles, the motor drives the worm 425 to rotate, the rotating block 423 is driven to rotate around the axis of the fixed shaft 421, the air injection rod 426 is further driven to rotate, the angle of the air injection rod 426 is regulated, and the air injection rod 426 sprays gas to remove dust on the surfaces of polyester chip particles in the clamping jaw 22;
step three, a pre-crystallization drying procedure: the tray 2 slides on the guide rail 1 to the inside of the pre-crystallization drying chamber 5, the pre-crystallization drying chamber 5 heats polyester chip particles in the clamping jaw 22 on the tray 2 to complete the pre-crystallization and drying procedures, so that the polyester chip particles are mutually independent and do not contact, and the polyester chip particles in adjacent contact are effectively prevented from being adhered;
step four, discharging procedure: the tray 2 slides to the tail end of the guide rail 1, the temperature is reduced, the clamping jaw 22 is restored to the original state, the tray 2 rotates 180 degrees, and the pre-crystallized and dried polyester chip particles fall into the collecting box 61 under the action of gravity, so that the discharging work is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. A pre-crystallization drying device for polyester chips, comprising:
a guide rail; and
a tray sliding on the guide rail;
characterized by further comprising:
the conveying component uniformly conveys the polyester chip particles to the tray;
the dust removing chamber is used for removing dust on the surfaces of polyester chip particles on the tray;
the pre-crystallization drying chamber is used for heating and raising the temperature of the polyester chip particles on the tray;
a collecting part for collecting the polyester chip particles treated by the pre-crystallization drying chamber;
the tray includes:
a bottom plate;
the clamping jaws are arranged on the bottom plate in a plurality of groups and clamp and fix polyester chip particles along with the change of temperature;
the clamping jaw comprises:
two sets of first baffle plates which are oppositely arranged; and
two groups of second baffle plates which are oppositely arranged, wherein the first baffle plates are made of materials with different thermal expansion coefficients of an inner layer and an outer layer, and the first baffle plates are inwards bent along with the change of temperature to clamp polyester chip particles;
the material conveying component comprises:
the feeding hopper is arranged above the guide rail;
the shaking assembly is arranged on one side of the guide rail;
a screeding assembly; and
the feeding hopper conveys polyester chips to the tray, polyester chip particles on the tray are vibrated by the vibration assembly to uniformly fall into the clamping jaw, the scraping assembly scrapes redundant polyester chip particles on the tray, and the scraped polyester chip particles are returned to the feeding hopper through the recycling assembly;
the dithering assembly includes:
a moving block sliding on the guide rail;
the connecting plate a is arranged at the bottom of the tray;
the guide rod is arranged on the moving block and penetrates through the connecting plate a;
the elastic support piece is arranged on the guide rod;
the wave-shaped track is arranged on one side of the guide rail;
the abutting rod is arranged at the bottom of the tray and slides on the wavy track;
the screeding assembly includes:
the scraping plate is arranged above the guide rail and used for scraping redundant polyester chip particles on the tray;
the scraping plate comprises a pointed end, a square end and a conical end;
the squeegee includes:
the pushing plates are symmetrically arranged;
the fixed plates are arranged on the pushing plate, and the two groups of fixed plates are connected through an elastic connecting piece;
the square block is arranged at one end of the pushing plate, a sliding groove is formed in the square block, and the sliding groove comprises a first section, a second section and a third section;
the two groups of connecting plates b are symmetrically arranged on the tray;
a sliding rod which is arranged on the connecting plate b and slides in the sliding groove;
the dust removal chamber includes:
an outer housing;
the dust removing assembly is used for removing dust on the surfaces of the polyester chips from multiple directions by blowing the dust removing assembly to the tray;
the dust removal assembly includes:
a fixed shaft;
the arc-shaped guide rails are arranged at two ends of the fixed shaft;
the rotating block is rotatably arranged on the arc-shaped guide rail;
a worm wheel mounted on the fixed shaft;
the worm is rotationally arranged on the rotating block;
the air injection rod is arranged at the bottom of the rotating block;
the jet bar includes:
the fixed rod is arranged at the bottom of the rotating block;
the length of the fixed rod and the length of the adjusting rod can be adjusted;
the air nozzle is arranged on the adjusting rod;
the collecting member includes:
the collecting box is arranged below the tail end of the guide rail, and the tail end of the guide rail is arc-shaped;
one of the first baffle plates is provided with an air inlet, the other one of the first baffle plates is provided with an air outlet, the position of the air outlet is higher than that of the air inlet, and the air sprayed out of the dust removing assembly enters through the air inlet and then is discharged from the air outlet to form rotary air flow to drive polyester chip particles to rotate.
2. The apparatus for pre-crystallizing drying a polyester chip as claimed in claim 1, wherein said recovery assembly comprises:
the material collecting box is arranged below the guide rail;
and the polyester chip particles collected in the material collecting box are conveyed into the material loading hopper through the material conveying pipeline.
3. A pre-crystallization drying apparatus for producing polyester chips according to any one of claims 1 to 2, comprising the steps of:
step one, a feeding procedure: polyester chip particles are discharged onto a tray through a feeding funnel, the tray slides on a guide rail, when an abutting rod slides on a wave-shaped track, the tray is driven to reciprocate along the axial direction of a guide rod, so that shaking is formed, the polyester chip particles uniformly fall into a clamping jaw, and redundant polyester chip particles on the tray are scraped through a scraping assembly, so that the redundant polyester chip particles are prevented from splashing on the tray and falling into a dust removing cavity in a dust removing process;
step two, a dust removal procedure: the tray slides on the guide rail to the dust removing cavity, the temperature is raised, the first baffle sheet bends inwards to clamp polyester chip particles, the worm is driven by the motor to rotate, the rotating block is driven to rotate around the axis of the fixed shaft, the air injection rod is driven to rotate, the angle of the air injection rod is regulated, and the air injection rod sprays gas to remove dust on the surfaces of polyester chip particles in the clamping jaw;
step three, a pre-crystallization drying procedure: the tray slides on the guide rail to a pre-crystallization drying chamber, and the pre-crystallization drying chamber heats polyester chip particles in the clamping jaw on the tray, so that the pre-crystallization and drying processes are completed, the polyester chip particles are mutually independent and do not contact, and adhesion between the adjacent polyester chip particles is effectively prevented;
step four, discharging procedure: the tray slides to the tail end of the guide rail, the temperature is reduced, the clamping jaw is restored to the original state, the tray rotates 180 degrees, and the pre-crystallized and dried polyester chip particles fall into the collecting box under the action of gravity to finish discharging work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210686306.1A CN114992995B (en) | 2022-06-17 | 2022-06-17 | Pre-crystallization drying equipment and process for polyester chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210686306.1A CN114992995B (en) | 2022-06-17 | 2022-06-17 | Pre-crystallization drying equipment and process for polyester chips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114992995A CN114992995A (en) | 2022-09-02 |
| CN114992995B true CN114992995B (en) | 2024-02-13 |
Family
ID=83034932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210686306.1A Active CN114992995B (en) | 2022-06-17 | 2022-06-17 | Pre-crystallization drying equipment and process for polyester chips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114992995B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010081095A (en) * | 1998-10-23 | 2001-08-27 | 시바타 미노루 | Polymerization catalyst for polyester production, polyester, and process for producing polyester |
| CN206622398U (en) * | 2017-04-01 | 2017-11-10 | 浙江强盟实业股份有限公司 | Polyester slice dust arrester and polyester slice dust pelletizing system |
| CN110040450A (en) * | 2019-04-25 | 2019-07-23 | 浙江恒冠化纤有限公司 | A kind of feed system of polyester slice |
| CN111873231A (en) * | 2020-08-11 | 2020-11-03 | 山东建通土工材料有限公司 | Polyester chip's dry crystallization conveying system |
| CN212268780U (en) * | 2020-06-01 | 2021-01-01 | 上海原能细胞生物低温设备有限公司 | Flexible plate frame gripping device |
| CN112476841A (en) * | 2020-12-10 | 2021-03-12 | 安徽青藤再生资源有限公司 | Drying device is used in production of PET polyester granule |
-
2022
- 2022-06-17 CN CN202210686306.1A patent/CN114992995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010081095A (en) * | 1998-10-23 | 2001-08-27 | 시바타 미노루 | Polymerization catalyst for polyester production, polyester, and process for producing polyester |
| CN206622398U (en) * | 2017-04-01 | 2017-11-10 | 浙江强盟实业股份有限公司 | Polyester slice dust arrester and polyester slice dust pelletizing system |
| CN110040450A (en) * | 2019-04-25 | 2019-07-23 | 浙江恒冠化纤有限公司 | A kind of feed system of polyester slice |
| CN212268780U (en) * | 2020-06-01 | 2021-01-01 | 上海原能细胞生物低温设备有限公司 | Flexible plate frame gripping device |
| CN111873231A (en) * | 2020-08-11 | 2020-11-03 | 山东建通土工材料有限公司 | Polyester chip's dry crystallization conveying system |
| CN112476841A (en) * | 2020-12-10 | 2021-03-12 | 安徽青藤再生资源有限公司 | Drying device is used in production of PET polyester granule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114992995A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1826157A1 (en) | Method and device for washing conveyor belts | |
| JPH04506493A (en) | Equipment for cooling and granulating molten strands | |
| CN108394701A (en) | A kind of electronic component is transported away material device | |
| CN114992995B (en) | Pre-crystallization drying equipment and process for polyester chips | |
| CN110040450B (en) | Feeding system for polyester chips | |
| CN108176681A (en) | A kind of cleaner of electronic component | |
| CN108380592A (en) | A kind of dust-extraction unit of electronic component | |
| US5431740A (en) | Carbon dioxide precision cleaning system for cylindrical substrates | |
| NL9002755A (en) | METHOD AND APPARATUS FOR SEPARATING DIFFERENT PLASTIC PRODUCTS | |
| CN113814099B (en) | Automatic spraying device | |
| CA2076670C (en) | Powder coating system | |
| JPH07283185A (en) | Substrate cleaner | |
| JPS634947A (en) | Plate washing apparatus of typographic rotary press | |
| US3306958A (en) | Agglomerating process | |
| US4569388A (en) | Apparatus for the treatment of a contaminated gas of elevated temperature | |
| CN212266362U (en) | Reclaimed plastic processing conveyer | |
| EP0259459A4 (en) | Powder atomizing methods and apparatus. | |
| JP2009119737A (en) | Processing apparatus for agricultural multi-sheet | |
| CN213119947U (en) | Metal product surface dewatering structure | |
| JPH0723935B2 (en) | Liquid crystal display device alignment treatment method | |
| CN218982008U (en) | Automatic spraying device for surface of radiating fin | |
| CN109466912A (en) | A kind of powdered chemical materials transport device | |
| JP4381534B2 (en) | Abrasive removal device | |
| JP6929579B2 (en) | Work processing equipment | |
| CN105890335A (en) | Dust scraping device for conveyer belt of cloth drying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240101 Address after: No. 77 Beihu Road, Tianzihu Town, Anji County, Huzhou City, Zhejiang Province, 313300 (within Anji Huayi Chemical Fiber Co., Ltd.) Applicant after: Zhejiang Tiancheng New Materials Co.,Ltd. Address before: 313309 Room 203, 2 / F, building 13, Gaoyu Park, tianzihu Town, Anji County, Huzhou City, Zhejiang Province (house of Zhejiang Anji Huayi Chemical Fiber Co., Ltd.) Applicant before: Zhejiang Anji Junyi New Material Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |