CN111473621B - Short fiber heating drum - Google Patents
Short fiber heating drum Download PDFInfo
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- CN111473621B CN111473621B CN202010301058.5A CN202010301058A CN111473621B CN 111473621 B CN111473621 B CN 111473621B CN 202010301058 A CN202010301058 A CN 202010301058A CN 111473621 B CN111473621 B CN 111473621B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 117
- 239000000835 fiber Substances 0.000 title claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 97
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 101
- 238000007789 sealing Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 13
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 6
- 238000010408 sweeping Methods 0.000 description 5
- 239000000565 sealant Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- 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
-
- 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
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to a short fiber heating drum, which relates to the technical field of production of regenerated polyester fibers and comprises a rack, an outer cylinder, a heating device, a cooling device, a separating device, a vacuumizing device and a feeding device, wherein the separating device comprises a first separating plate, a second separating plate, a plurality of movable separating plates and hydraulic cylinders with the same number as the movable separating plates, the heating device and the cooling device are separated by the movable separating plates, the movable separating plates are movably connected with the outer cylinder, one hydraulic cylinder corresponds to one movable separating plate, the cylinder body of the hydraulic cylinder is connected with the inner wall of the outer cylinder, and the piston rod of the hydraulic cylinder is connected with the movable separating plates. The invention can improve the cooling efficiency, simultaneously avoid waste of waste heat in the heating cylinder and improve the utilization rate of resources; and the heated raw materials have longer time for cooling, thereby reducing the temperature of the raw materials during discharging, improving the cooling effect, reducing the water absorption capacity of the raw materials which absorb water from the air again, and improving the dryness of the raw materials.
Description
Technical Field
The invention relates to the technical field of production of regenerated polyester fibers, in particular to a short fiber heating drum.
Background
In the spinning operation, the recycled bottle chips or short fiber raw materials need to be preheated for 8-12 hours, and the method mainly aims to dry the moisture in the bottle chips or short fiber raw materials and then pump the separated moisture out by vacuumizing. After the bottle piece or the short fiber raw materials are dried, the bottle piece or the short fiber raw materials need to be cooled, transported and stored, and after the cooling is finished, the temperature of the bottle piece or the short fiber raw materials is not higher than 90 ℃ so as to avoid that the bottle piece or the short fiber raw materials absorb moisture in the air during the transportation.
Referring to fig. 5, most of the existing short fiber heating drums comprise a rack 11, a heating device 2 and a vacuumizing device 5, wherein the heating device 2 comprises an outer cylinder 12 and a heating cylinder 21, the outer cylinder 12 is fixedly connected to the rack 11, the heating cylinder 21 is coaxially arranged in the outer cylinder 12, the heating cylinder 21 is coaxially and rotatably connected with the outer cylinder 12, a heating cavity 24 is formed between the outer cylinder 12 and the inner cylinder, heating oil is filled in the heating cavity 24, the heating device 2 further comprises a first oil inlet pipe 22 and a first oil outlet pipe 23, and the first oil inlet pipe 22 and the first oil outlet pipe 23 are both communicated with the heating cavity 24; the vacuum pumping device 5 comprises a first vacuum pump 51 and a first exhaust pipe 52, and two ends of the exhaust pipe are respectively communicated with the heating cylinder 21 and the first vacuum pump 51.
When bottle flakes or short fiber raw materials are heated, the raw materials are put into a heating cylinder 21, heating oil is introduced into a heating cavity 24, the heating cylinder 21 rotates to heat the raw materials, and a first vacuum pump 51 vacuumizes the heating cylinder 21 during heating so as to separate evaporated water; after heating, discharging the heating oil in the heating cavity 24, then naturally cooling or introducing cold oil into the heating cavity 24, after the temperature in the heating cylinder 21 is lower than 90 ℃, communicating the heating cylinder 21 with the atmosphere, introducing air into the heating cylinder 21, and then discharging the raw materials after water removal for standby.
The above prior art solutions have the following drawbacks: the heating cavity needs to be cooled after heating is finished, so that the cooling time is long, the waste heat of the inner barrel is wasted, the time is wasted, and the resources are wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a short fiber heating drum which can cool raw materials on the premise of not cooling a heating cavity, so that the cooling time can be saved, and the resources can be saved.
The above object of the present invention is achieved by the following technical solutions:
a short fiber heating drum comprises a rack, an outer barrel, a heating device, a cooling device, a separating device and a vacuumizing device, wherein the outer barrel is fixedly connected to the rack; the cooling device comprises a cooling cylinder, a second oil inlet pipe and a second oil outlet pipe, the cooling cylinder is coaxially and rotatably connected in the outer cylinder, the cooling cylinder is communicated with the heating cylinder, the second oil inlet pipe and the second oil outlet pipe are fixedly connected to the outer cylinder, the second oil inlet pipe and the second oil outlet pipe are communicated at two ends of the cooling cavity, the separating device comprises a first separating plate, a second separating plate, a plurality of movable separating plates and hydraulic cylinders with the same number as the movable separating plates, the first separating plate and the second separating plate are fixedly connected to the inner circumferential surface of the outer cylinder, the first separating plate is abutted against the outer circumferential surface of the heating cylinder, and the second separating plate is abutted against the outer circumferential surface of the cooling cylinder; the plurality of movable separation plates are arranged between the first separation plate and the second separation plate, the movable separation plates separate the heating cylinder from the cooling cylinder, the movable separation plates are movably connected with the outer cylinder, one hydraulic cylinder corresponds to one movable separation plate, the cylinder body of each hydraulic cylinder is connected with the inner wall of the outer cylinder, and the piston rod of each hydraulic cylinder is connected with the movable separation plate; the vacuumizing device comprises a first vacuum pump and a first exhaust pipe, the first vacuum pump is fixedly connected with the rack, two ends of the first exhaust pipe are respectively communicated with the heating cylinder and the first vacuum pump, and a first air inlet pipe is communicated with the heating cylinder.
By adopting the technical scheme, when the raw materials are heated, the heating cylinder is separated from the cooling cylinder by the movable partition plates, the raw materials are put into the heating cylinder, heating oil is introduced into the heating cavity, and the heating cylinder is vacuumized by the vacuum pump while being heated; after the moisture in the raw materials is completely evaporated and extracted, opening the movable partition plate, communicating the heating cylinder with the cooling cylinder, introducing the heated raw materials into the cooling cylinder, after the heated raw materials are completely sent into the cooling cylinder, separating the heating cylinder from the cooling cylinder again by the movable partition plate, and then putting the unheated raw materials into the heating cylinder; then the heating cylinder and the cooling cylinder run synchronously, and the heating cylinder does not need to be cooled, so that the cooling efficiency is improved, the waste of waste heat in the heating cylinder is avoided, and the utilization rate of resources is improved; and the heated raw materials have longer time for cooling, thereby reducing the temperature of the raw materials during discharging, improving the cooling effect, reducing the water absorption capacity of the raw materials which absorb water from the air again, and improving the dryness of the raw materials.
The present invention in a preferred example may be further configured to: the movable partition plates are provided with front end faces, rear end faces and outer end faces, the front end faces and the rear end faces of the movable partition plates are abutted in sequence, one ends of the movable partition plates are rotatably connected with the inner wall of the outer barrel, the cylinder body of the hydraulic cylinder is rotatably connected with the outer barrel, and the piston rod of the hydraulic cylinder is rotatably connected with the outer end faces of the movable partition plates.
By adopting the technical scheme, when the movable partition plate is closed to separate the heating cylinder from the cooling cylinder, the front end surface and the rear end surface of the movable partition plate are sequentially abutted, so that the sealing effect is achieved; when the movable partition plate is opened to communicate the heating cylinder and the cooling cylinder, the front end face of the movable partition plate is always abutted to the intersection line of the rear end face and the outer end face of the adjacent movable partition plate, and therefore when the raw material is transferred to the cooling cylinder from the heating cylinder, the raw material is leaked from the movable partition plate.
The present invention in a preferred example may be further configured to: the vacuumizing device further comprises a second vacuum pump and a second exhaust pipe, the second vacuum pump is also fixedly connected with the rack, two ends of the second exhaust pipe are respectively communicated with the cooling cylinder and the second vacuum pump, and a second air inlet pipe is communicated with the cooling cylinder.
Through adopting above-mentioned technical scheme, when needs follow the cartridge heater to transporting the material in the cooling cylinder, earlier with evacuation in the cooling cylinder, make the cooling cylinder the same with the atmospheric pressure in the cartridge heater, so both be convenient for opening of movable partition board can take out the moisture in the cooling cylinder simultaneously, avoid the raw materials to absorb moisture when the cooling, improved the aridity of raw materials.
The present invention in a preferred example may be further configured to: still be provided with material feeding unit in the frame, material feeding unit includes the pay-off axle, first spiral board and second spiral board, the coaxial rotation of pay-off axle is in heating cylinder and cooling cylinder, the equal fixed connection of first spiral board and second spiral board is on the outer peripheral face of pay-off axle, and first spiral board sets up in the heating cylinder, the second spiral board sets up in the cooling cylinder, movable partition board sets up between first spiral board and second spiral board, movable partition board still includes interior terminal surface, and movable partition board's interior terminal surface and the butt of pay-off axle outer peripheral face.
Through adopting above-mentioned technical scheme, when relative rotation takes place for pay-off axle and cartridge heater, first spiral plate alright carry the raw materials in the cartridge heater to the cooling cylinder in, when pay-off axle and cooling cylinder take place relative rotation, the second spiral plate alright discharge the raw materials in the cooling cylinder, and then realize the transport of raw materials.
The present invention in a preferred example may be further configured to: the inner end surface and the front end surface of the movable partition plate are provided with guide surfaces.
Through adopting above-mentioned technical scheme, when first spiral plate carried the raw materials to the cooling cylinder in, activity division board department can pile up a small amount of raw materials, the offering of spigot surface for the raw materials that are located activity division board department are dispersed to the heating cylinder and the cooling cylinder in, avoid unable closure between the activity division board, avoid activity division board and the unable closure of pay-off axle simultaneously, improved the gas tightness.
The present invention in a preferred example may be further configured to: the separating device further comprises an air sweeping mechanism, the air sweeping mechanism comprises an air pump and an air pipe, the air pump is fixedly connected to the inner circumferential surface of the outer barrel, the movable partition plate is arranged in a hollow mode, two ends of the air pipe are communicated with the inside of the movable partition plate and an air outlet of the air pump respectively, and a plurality of air outlets are uniformly formed in the inner end surface and the front end surface of the movable partition plate.
By adopting the technical scheme, when the piston rod of the hydraulic cylinder extends out, the air outlet starts to jet air under the action of the air pump, when the movable partition plate is gradually closed, the air outlet blows the rear end face and the raw materials on the feeding shaft, the raw materials are prevented from being clamped between the movable partition plate and between the movable partition plate and the feeding shaft, and the air tightness is improved.
The present invention in a preferred example may be further configured to: the outer peripheral face of the feeding shaft is provided with a first clamping groove matched with the guide face, the rear end face of the movable partition plate is provided with a second clamping groove matched with the guide face, the movable partition plate is clamped with the feeding shaft, and the movable partition plate are sequentially clamped.
By adopting the technical scheme, when the movable partition plate is gradually closed, the air outlet jets air towards the first clamping groove and the second clamping groove, and the air flow reversely blows the guide surface under the guide effect of the first clamping groove and the second clamping groove, so that the cleanliness of the guide surface is improved, and further the sealing degree between the movable partition plate and between the movable partition plate and the feeding shaft is improved; meanwhile, the movable partition plates are clamped with the feeding shaft and are sequentially clamped, and when the air pressure in the heating cylinder is different from that in the cooling cylinder, the movable partition plates are not easy to extrude and deform, so that the pressure resistance of the movable partition plates is improved.
The present invention in a preferred example may be further configured to: the first clamping groove, the second clamping groove and the guide surface are fixedly connected with polytetrafluoroethylene sealing gaskets.
By adopting the technical scheme, the polytetrafluoroethylene sealing gasket has good wear resistance and sealing property, so that the sealing property of the movable partition plate can be improved, the feeding shaft can conveniently rotate when the movable partition plate is closed, and the flexibility of feeding and discharging is improved; and the raw materials are not easy to adhere to the outer surface of the polytetrafluoroethylene sealing gasket, so that the probability that the movable separation plate is blocked by the raw materials is reduced.
In summary, the invention includes at least one of the following beneficial technical effects:
1. through movable partition's setting, separate cartridge heater and cooling cylinder, when the cartridge heater heats the dewatering to the short-staple, the cooling cylinder can cool off the short-staple, so need not discharge the heating oil that heats the intracavity again, also need not cool off the cartridge heater, the energy has been practiced thrift, and the cooling efficiency has been improved, the cooling time of the cooling cylinder has been prolonged simultaneously, the cooling effect of short-staple has been improved, the quantity that the short-staple absorbs water once more has been reduced, the quality of short-staple raw materials has been improved.
2. Through the arrangement of the guide surface, the first clamping groove and the second clamping groove, when the first spiral plate conveys the raw materials into the cooling cylinder, a small amount of raw materials can be accumulated at the movable partition plate, and the guide surface is arranged, so that the raw materials at the movable partition plate are dispersed into the heating cylinder and the cooling cylinder, the movable partition plates are prevented from being closed, meanwhile, the movable partition plates and the feeding shaft are prevented from being closed, and the air tightness is improved; meanwhile, the movable partition plates are clamped with the feeding shaft and are sequentially clamped, and when the air pressure in the heating cylinder is different from that in the cooling cylinder, the movable partition plates are not easy to extrude and deform, so that the pressure resistance of the movable partition plates is improved.
3. Through the setting of air sweep mechanism, when the movable separation board gradually closed, the gas outlet was jet-propelled towards first draw-in groove and second draw-in groove, and under the guide effect of first draw-in groove and second draw-in groove, the air current reversed blowing spigot surface has improved the cleanliness factor of spigot surface, and then has improved the seal degree between movable separation board and the movable separation board, between movable separation board and the pay-off axle.
4. By arranging the polytetrafluoroethylene sealing gasket, the sealing performance of the movable partition plate can be improved, the feeding shaft can conveniently rotate when the movable partition plate is closed, and the flexibility of feeding and discharging is improved; and the raw materials are not easy to adhere to the outer surface of the polytetrafluoroethylene sealing gasket, so that the probability that the movable separation plate is blocked by the raw materials is reduced.
Drawings
FIG. 1 is a partial cross-sectional view of the entire structure of the present embodiment;
FIG. 2 is a schematic cross-sectional view of the divider for illustrating the connection of the movable divider plates;
FIG. 3 is a schematic view of a portion of the structure from the heating cartridge toward the cooling cartridge; aiming at embodying the connection mode of the separating device;
FIG. 4 is an exploded view of the movable partition plate, aiming at embodying the structure of the movable partition plate;
fig. 5 is a partial cross-sectional schematic view of the overall structure of the prior art.
Reference numerals: 11. a frame; 12. an outer cylinder; 2. a heating device; 21. a heating cylinder; 22. a first oil inlet pipe; 23. a first oil outlet pipe; 24. a heating cavity; 25. a first gear; 26. a second gear; 27. a first drive motor; 3. a cooling device; 31. a cooling cylinder; 32. a second oil inlet pipe; 33. a second oil outlet pipe; 34. a cooling chamber; 4. a partitioning means; 41. a first partition plate; 42. a second partition plate; 43. a movable partition plate; 431. a front end face; 432. a rear end face; 433. an inner end surface; 434. an outer end face; 435. a hinge ear; 436. a guide surface; 437. a second card slot; 44. a hydraulic cylinder; 45. a support arm; 46. an air sweeping mechanism; 461. an air pump; 462. a gas delivery pipe; 463. an air outlet; 5. a vacuum pumping device; 51. a first vacuum pump; 52. a first exhaust tube; 53. a second vacuum pump; 54. a second extraction tube; 6. a feeding device; 61. a feed shaft; 611. a first card slot; 62. a first spiral plate; 63. a second spiral plate; 64. a third gear; 65. a fourth gear; 66. a second drive motor; 7. and a polytetrafluoroethylene sealing gasket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment proposes a short fiber heating drum, which comprises a frame 11, an outer cylinder 12, a heating device 2, a cooling device 3, a separating device 4, and a vacuum-pumping device 5. The outer cylinder 12 is erected on the frame 11 and fixedly connected by bolts, and the outer cylinder 12 is horizontally arranged.
The heating device 2 comprises a heating cylinder 21, a first oil inlet pipe 22 and a first oil outlet pipe 23, wherein the heating cylinder 21 is coaxially and rotatably connected in the outer cylinder 12, so that a heating cavity 24 is formed between the heating cylinder 21 and the outer cylinder 12. The first oil inlet pipe 22 and the first oil outlet pipe 23 are welded or fixedly connected to the outer barrel 12 through bolts and flanges, and the first oil inlet pipe 22 is communicated with the first oil outlet pipe 23 at two ends of the heating cavity 24.
The cooling device 3 comprises a cooling cylinder 31, a second oil inlet pipe 32 and a second oil outlet pipe 33, and the cooling cylinder 31 is also coaxially and rotatably connected in the outer cylinder 12. The cooling cylinder 31 has the same diameter and length as the heating cylinder 21, and the cooling cylinder 31 communicates with the heating cylinder 21. The second oil inlet pipe 32 and the second oil outlet pipe 33 are welded or fixedly connected to the outer barrel 12 by bolts and flanges, and the second oil inlet pipe 32 and the second oil outlet pipe 33 are communicated with both ends of the cooling cavity 34.
The cooling device 3 further includes a first gear 25, a second gear 26, and a first driving motor 27, and the first gear 25 is coaxially welded to the outer circumferential surface of the heating cylinder 21. The first driving motor 27 is fixedly connected to the frame 11 through a bolt, the second gear 26 is coaxially keyed on an output shaft of the first driving motor 27, the first gear 25 is engaged with the second gear 26, and the first driving motor 27 is used for driving the heating cylinder 21 to rotate. The driving method of the cooling cylinder 31 is the same as that of the heating cylinder 21, and is not described herein.
The vacuum pumping device 5 comprises a first vacuum pump 51, a first air pumping pipe 52, a second vacuum pump 53 and a second air pumping pipe 54, wherein the first vacuum pump 51 and the second vacuum pump 53 are fixedly connected to the frame 11 through bolts. The first exhaust pipe 52 has both ends respectively communicating with the inside of the heating cylinder 21 and the intake pipe of the first vacuum pump 51, and the second exhaust pipe 54 has both ends respectively communicating with the inside of the cooling cylinder 31 and the intake pipe of the second vacuum pump 53.
The partition device 4 includes a first partition plate 41 and a second partition plate 42, and the first partition plate 41 and the second partition plate 42 are both annular. The outer circumferential surfaces of the first partition plate 41 and the second partition plate 42 are welded to the inner circumferential surface of the outer cylinder 12, the inner circumferential surface of the first partition plate 41 is rotatably connected to the outer circumferential surface of the heating cylinder 21, and the inner circumferential surface of the second partition plate 42 is rotatably connected to the outer circumferential surface of the cooling cylinder 31. The first partition plate 41 is provided at an end of the heating drum 21 close to the cooling drum 31, and the second partition plate 42 is provided at an end of the cooling drum 31 close to the heating drum 21.
Referring to fig. 1 and 2, the frame 11 is further provided with a feeding device 6, the feeding device 6 includes a feeding shaft 61, a first spiral plate 62 and a second spiral plate 63, and the feeding shaft 61 coaxially rotates in the heating cylinder 21 and the cooling cylinder 31. The first spiral plate 62 and the second spiral plate 63 are welded to the outer peripheral surface of the feeding shaft 61, and the spiral directions of the first spiral plate 62 and the second spiral plate 63 are the same. The first spiral plate 62 is disposed in the heating cylinder 21, and the second spiral plate 63 is disposed in the cooling cylinder 31.
The feeding device 6 further comprises a third gear 64, a fourth gear 65 and a second driving motor 66, the third gear 64 is coaxially welded on the outer peripheral surface of the feeding shaft 61, the second driving motor 66 is fixedly connected to the frame 11 through bolts, the fourth gear 65 is coaxially connected to an output shaft of the second driving motor 66 in a key mode, the third gear 64 is meshed with the fourth gear 65, and the second driving motor 66 is used for driving the feeding shaft 61 to rotate.
Referring to fig. 3 and 4, the dividing device further includes a plurality of movable dividing plates 43, hydraulic cylinders 44 in the same number as the movable dividing plates 43, and support arms 45 in the same number as the movable dividing plates 43, and six movable dividing plates 43 are provided in this embodiment. The movable partition plate 43 is provided between the heating cylinder 21 and the cooling cylinder 31, both the heating cylinder 21 and the cooling cylinder 31 are in contact with the movable partition plate 43, and the first spiral plate 62 and the second spiral plate 63 are provided on both sides of the movable partition plate 43.
The movable partition plate 43 is provided with a front end face 431, a rear end face 432, an inner end face 433 and an outer end face 434, one side of the outer end face 434 of the movable partition plate 43 close to the front end face 431 is welded with a hinge lug 435, the cylinder body of the hydraulic cylinder 44 is rotatably connected with the inner wall of the outer cylinder 12, and the piston rod of the hydraulic cylinder 44 is hinged with the hinge lug 435. One end of the supporting arm 45 is welded or fixedly connected to the inner wall of the outer cylinder 12 by a bolt, and the other end of the supporting arm 45 is rotatably connected to the movable partition plate 43. It should be noted that the rotational axes of the support arms 45 and the movable partition plates 43 should be on the circumferential surfaces of the heating cylinder 21 and the cooling cylinder 31.
The front end faces 431 are outward convex arc-shaped, the rear end faces 432 are inward concave arc-shaped, the front end faces 431 are matched with the rear end faces 432, and the front end faces 431 and the rear end faces 432 of the six movable partition plates 43 are sequentially abutted. The arc center of the front end surface 431 is coaxial with the rotational axis between the support arm 45 and the movable partition plate 43, and the radius of the front end surface 431 is the same as the distance between the rotational axes of two adjacent support arms 45 and movable partition plates 43.
The front end face 431 of the movable partition plate 43 is provided with a guide surface 436, and the rear end face 432 of the movable partition plate 43 is provided with a second clamping groove 437 matched with the front end face 431. The second groove 437 of the rear end face 432 of the movable partition plate 43 is fixedly connected with a polytetrafluoroethylene sealing gasket 7 through a screw and a sealant, the guide surface 436 of the front end face 431 of the movable partition plate 43 is also fixedly connected with the polytetrafluoroethylene sealing gasket 7 through a screw and a sealant, and the polytetrafluoroethylene sealing gaskets 7 at the two positions are mutually abutted.
Referring to fig. 2 and 4, the inner end surface 433 of the movable partition plate 43 abuts against the outer peripheral surface of the feeding shaft 61, the inner end surface 433 of the movable partition plate 43 is also provided with a guide surface 436, and the outer peripheral surface of the feeding shaft 61 is provided with a first engaging groove 611 adapted to the inner end surface 433 of the movable partition plate 43. The guiding surface 436 of the inner end surface 433 of the movable partition plate 43 is also fixedly connected with a polytetrafluoroethylene sealing gasket 7 through a screw and a sealant, the first clamping groove 611 on the outer peripheral surface of the feeding shaft 61 is also fixedly connected with the polytetrafluoroethylene sealing gasket 7 through a screw and a sealant, and the polytetrafluoroethylene sealing gaskets 7 at the two positions are mutually abutted.
Referring to fig. 3, the separating device 4 further includes an air sweeping mechanism 46, the air sweeping mechanism 46 includes an air pump 461 and an air pipe 462, the air pump 461 is fixedly connected to the inner circumferential surface of the outer cylinder 12 through bolts, the movable partition plate 43 is hollow, two ends of the air pipe 462 are respectively communicated with the inside of the movable partition plate 43 and an air outlet 463 of the air pump 461, and a plurality of air outlets 463 are uniformly formed on the inner end surface 433 and the front end surface 431 of the movable partition plate 43.
The implementation principle of the embodiment is as follows:
when the short fibers are heated and dried, the short fibers are firstly put into the heating cylinder 21, then the heating cylinder 21 is sealed, then the first driving motor 27 drives the heating cylinder 21 to rotate, the heating oil filled in the heating cavity 24 evaporates water in the short fibers, then the heating cylinder 21 is vacuumized through the first vacuum pump 51, and further water vapor in the heating cylinder 21 is pumped away; then the second vacuum pump 53 vacuumizes the cooling cylinder 31, and then the piston rod of the hydraulic cylinder 44 is retracted, the movable partition plate 43 is opened, and the heating cylinder 21 is communicated with the cooling cylinder 31; then the second driving motor 66 drives the feeding shaft 61 to rotate, and the heated short fibers are fed into the cooling cylinder 31; then the piston rod of the hydraulic cylinder 44 is extended out, and simultaneously the air pump 461 blows air to blow off the short fibers adhered on the inner end surface 433, the front end surface 431 and the rear end surface 432 of the movable separation plate 43; after the inner end surface 433 of the partition plate abuts against the outer end surface 434 of the feed shaft 61, the heating cylinder 21 and the cooling cylinder 31 are separated again, at this time, the air pressure in the heating cylinder 21 is restored to the atmospheric pressure by the first vacuum pump 51, and the short fiber material is fed into the heating cylinder 21 again; then the cooling cylinder 31 and the heating cylinder 21 rotate simultaneously, the heating cylinder 21 heats the newly thrown short fibers for dewatering, and the cooling cylinder 31 cools the heated short fibers; after the short fibers in the cooling cylinder 31 are completely cooled, the air pressure in the cooling cylinder 31 is returned to the atmospheric pressure by the second vacuum pump 53, the raw material in the cooling cylinder 31 is discharged, and the next cooling is prepared, and the processes are sequentially circulated.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The short fiber heating drum is characterized by comprising a rack (11), an outer cylinder (12), a heating device (2), a cooling device (3), a separating device (4) and a vacuumizing device (5), wherein the outer cylinder (12) is fixedly connected to the rack (11), the heating device (2) comprises a heating cylinder (21), a first oil inlet pipe (22) and a first oil outlet pipe (23), the heating cylinder (21) is coaxially and rotatably connected into the outer cylinder (12), a heating cavity (24) is formed between the heating cylinder (21) and the outer cylinder (12), the first oil inlet pipe (22) and the first oil outlet pipe (23) are fixedly connected to the outer cylinder (12), and the first oil inlet pipe (22) and the first oil outlet pipe (23) are communicated with two ends of the heating cavity (24); the cooling device (3) comprises a cooling cylinder (31), a second oil inlet pipe (32) and a second oil outlet pipe (33), the cooling cylinder (31) is coaxially and rotatably connected in the outer cylinder (12), the cooling cylinder (31) is communicated with the heating cylinder (21), the second oil inlet pipe (32) and the second oil outlet pipe (33) are fixedly connected on the outer cylinder (12), the second oil inlet pipe (32) and the second oil outlet pipe (33) are communicated at two ends of the cooling cavity (34), the separating device (4) comprises a first separating plate (41), a second separating plate (42), a plurality of movable separating plates (43) and hydraulic cylinders (44) with the same number as the movable separating plates (43), the first separating plate (41) and the second separating plate (42) are fixedly connected on the inner circumferential surface of the outer cylinder (12), the first partition plate (41) is abutted against the outer peripheral surface of the heating cylinder (21), and the second partition plate (42) is abutted against the outer peripheral surface of the cooling cylinder (31); a plurality of movable partition plates (43) are arranged between the first partition plate (41) and the second partition plate (42), the heating cylinder (21) and the cooling cylinder (31) are separated by the movable partition plates (43), the movable partition plates (43) are movably connected with the outer cylinder (12), one hydraulic cylinder (44) corresponds to one movable partition plate (43), the cylinder body of the hydraulic cylinder (44) is connected with the inner wall of the outer cylinder (12), and the piston rod of the hydraulic cylinder (44) is connected with the movable partition plates (43); the vacuumizing device (5) comprises a first vacuum pump (51) and a first exhaust pipe (52), the first vacuum pump (51) is fixedly connected with the rack (11), and two ends of the first exhaust pipe (52) are respectively communicated with the heating cylinder (21) and the first vacuum pump (51).
2. A staple fiber heated drum as claimed in claim 1, wherein: the movable partition plates (43) are provided with front end faces (431), rear end faces (432) and outer end faces (434), the front end faces (431) and the rear end faces (432) of the movable partition plates (43) are sequentially abutted, one ends of the movable partition plates (43) are rotatably connected with the inner wall of the outer cylinder (12), the cylinder body of the hydraulic cylinder (44) is rotatably connected with the outer cylinder (12), and the piston rod of the hydraulic cylinder (44) is rotatably connected with the outer end faces (434) of the movable partition plates (43).
3. A staple fiber heated drum as claimed in claim 2, wherein: the vacuumizing device (5) further comprises a second vacuum pump (53) and a second air exhaust pipe (54), the second vacuum pump (53) is also fixedly connected with the rack (11), and two ends of the second air exhaust pipe (54) are respectively communicated with the cooling cylinder (31) and the second vacuum pump (53).
4. A staple fiber heated drum as claimed in claim 3, wherein: still be provided with material feeding unit (6) on frame (11), material feeding unit (6) include pay-off axle (61), first spiral plate (62) and second spiral plate (63), pay-off axle (61) coaxial rotation is in heating cylinder (21) and cooling cylinder (31), first spiral plate (62) and second spiral plate (63) all fixed connection are on the outer peripheral face of pay-off axle (61), and first spiral plate (62) set up in heating cylinder (21), second spiral plate (63) set up in cooling cylinder (31), activity division board (43) set up between first spiral plate (62) and second spiral plate (63), activity division board (43) still include interior terminal surface (433), and interior terminal surface (433) and pay-off axle (61) outer peripheral face butt of activity division board (43).
5. A staple fiber heated drum as claimed in claim 4, wherein: and guide surfaces (436) are arranged on the inner end surface (433) and the front end surface (431) of the movable partition plate (43).
6. A staple fiber heated drum as claimed in claim 5, wherein: separator (4) still include air sweep mechanism (46), air sweep mechanism (46) include air pump (461) and gas-supply pipe (462), air pump (461) fixed connection is on the inner peripheral surface of urceolus (12), movable separation board (43) are the cavity setting, the both ends of gas-supply pipe (462) communicate with gas outlet (463) of movable separation board (43) inside and air pump (461) respectively, evenly seted up a plurality of gas outlets (463) on interior terminal surface (433) of movable separation board (43) and preceding terminal surface (431).
7. A staple fiber heated drum as claimed in claim 4, wherein: the outer circumferential surface of the feeding shaft (61) is provided with a first clamping groove (611) matched with the guide surface (436), the rear end surface (432) of the movable partition plate (43) is provided with a second clamping groove (437) matched with the guide surface (436), the movable partition plate (43) is clamped with the feeding shaft (61), and the movable partition plate (43) are sequentially clamped.
8. A staple fiber heated drum as claimed in claim 7, wherein: and polytetrafluoroethylene sealing gaskets (7) are fixedly connected to the first clamping groove (611), the second clamping groove (437) and the guide surface (436).
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| CN202010301058.5A CN111473621B (en) | 2020-04-16 | 2020-04-16 | Short fiber heating drum |
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| CN202010301058.5A CN111473621B (en) | 2020-04-16 | 2020-04-16 | Short fiber heating drum |
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| CN111473621B true CN111473621B (en) | 2021-07-02 |
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