CN113652757B - Steam heating device of short fiber production line - Google Patents
Steam heating device of short fiber production line Download PDFInfo
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- CN113652757B CN113652757B CN202110909483.7A CN202110909483A CN113652757B CN 113652757 B CN113652757 B CN 113652757B CN 202110909483 A CN202110909483 A CN 202110909483A CN 113652757 B CN113652757 B CN 113652757B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The application relates to a steam heating device of a short fiber production line, which belongs to the technical field of polyester short fiber production and comprises a heating box for steam heating of polyester fibers, wherein the heating box comprises a lower box body which is horizontally arranged, an upper box body is detachably connected to the lower box body, the upper box body and the lower box body are arranged in parallel and are arranged at intervals in the vertical direction, a heating cavity is formed between the upper box body and the lower box body, and the polyester fibers penetrate through the heating cavity; the lower box body is fixedly connected with a backflow assembly, the backflow assembly is communicated with the heating cavity, an air inlet groove is horizontally arranged on the upper surface of the lower box body and communicated with the heating cavity, the backflow assembly is communicated with the air inlet groove, and an air guide groove penetrates through the lower box body; be provided with heat preservation mechanism on the box down, heat preservation mechanism is located backflow component and deviates from box one side down, and heat preservation mechanism and air guide groove intercommunication. This application has the effect that improves polyester fiber heating effect to improve dacron draft quality.
Description
Technical Field
The application relates to the field of polyester staple fiber production technology, in particular to a steam heating device of a staple fiber production line.
Background
The polyester staple fiber is obtained by spinning polyester into tows and then cutting the yarns, the wear resistance of the polyester is only second to that of chinlon, and the polyester is the second place in synthetic fiber, and meanwhile, the polyester has the advantages of low water absorption and moisture regain and good insulating property, so the polyester staple fiber has very wide application.
In the related art, the chinese patent application with publication number CN105887232A discloses a method for preparing black polyester staple fiber specially used for wiring harness material, comprising the following steps: firstly, polyester bottle flakes and environment-friendly PET type black master batches are used as spinning raw materials, and nascent fibers with specified fineness are obtained through spinning; secondly, sequentially winding, barreling and bundling the primary fiber, drafting in an oil bath, drafting in steam, curling, and finally performing heat setting to obtain the black polyester staple fiber special for the wiring harness; wherein the oil bath drafting multiple is 2.8-2.9, and the steam drafting multiple is 1.02-1.05.
In the steam drafting process, the polyester fiber firstly enters a steam heating box for heating, the polyester fiber is heated to a softening point by the steam, and then the polyester fiber is drafted by a drafting machine. Referring to fig. 1, the steam heating box includes lower bearing plate 11, and lower bearing plate 11 upper surface passes through interval fixedly connected with upper cover plate 12, and polyester fiber passes between lower bearing plate 11 and upper cover plate 12, is provided with steam spray pipe 13 on the upper cover plate 12, and steam spray pipe 13 is located upper cover plate 12 intermediate position, thereby steam spray pipe 13 is connected with the boiler and spouts steam to between lower bearing plate 11 and the upper cover plate 12.
In view of the above-mentioned related technologies, the inventor thinks that the steam nozzle sprays steam onto the polyester fiber, and the steam nozzle is located at the middle position, so that each part of the polyester fiber is not uniformly heated, and the polyester fiber located at the edge is not heated well compared with the polyester fiber located at the middle position, thereby resulting in poor drafting quality of the polyester fiber.
Disclosure of Invention
In order to improve polyester fiber heating effect to improve dacron drafting quality, this application provides a steam heating device of short-staple production line.
The application provides a steam heating device of short fiber production line adopts following technical scheme:
a steam heating device of a short fiber production line comprises a heating box for steam heating of polyester fibers, wherein the heating box comprises a lower box body which is horizontally arranged, an upper box body is detachably connected to the lower box body, the upper box body and the lower box body are arranged in parallel and are arranged at intervals in the vertical direction, a heating cavity is formed between the upper box body and the lower box body, and the polyester fibers penetrate through the heating cavity; the lower box body is fixedly connected with a backflow assembly, the backflow assembly is communicated with the heating cavity, an air inlet groove is horizontally arranged on the upper surface of the lower box body and communicated with the heating cavity, the backflow assembly is communicated with the air inlet groove, an air guide groove is formed in the lower box body, and the lower box body is penetrated through by the air guide groove; the lower box body is provided with a heat preservation mechanism, the heat preservation mechanism is located on one side, away from the lower box body, of the backflow assembly, and the heat preservation mechanism is communicated with the air guide groove.
Through adopting above-mentioned technical scheme, steam gets into the heating intracavity and heats polyester fiber, and from heating chamber both sides exhaust steam through the backward flow subassembly get into the air inlet duct in to heating polyester fiber in the polyester fiber below, improving polyester fiber heating effect, steam gets into in the heat preservation mechanism through the air guide groove, thereby effectively reduces heating intracavity temperature falling speed, improves heating chamber heat preservation effect, further improves polyester fiber heating effect, thereby improves dacron draft quality.
Optionally, the lower box body is a cuboid plate horizontally arranged, the length direction of the lower box body is parallel to the length direction of the polyester fibers, the length direction of the air inlet groove is parallel to the length direction of the lower box body, and the two sides of the length direction of the lower box body are fixedly connected with the backflow assemblies.
Through adopting above-mentioned technical scheme, two sets of backward flow subassemblies will heat chamber both sides exhaust steam and flow back to heating polyester fiber, improving polyester fiber heating effect, it is extravagant to reduce steam simultaneously.
Optionally, the backflow component comprises a backflow cylinder arranged horizontally, two ends of the backflow cylinder are sealed, the length direction of the backflow cylinder is parallel to the length direction of the lower box, an air groove is formed in one side, facing the lower box, of the backflow cylinder, the backflow cylinder is communicated with the heating cavity through the air groove, and one side, facing the lower box, of the backflow cylinder is communicated with the air inlet groove through a connecting pipe.
Through adopting above-mentioned technical scheme, in the steam that follow heating chamber both sides exhaust got into the backward flow section of thick bamboo through the air duct, rethread connecting pipe got into the air inlet duct to the realization heats polyester fiber in the polyester fiber below.
Optionally, the upper box body is a cuboid plate horizontally arranged, the length direction of the upper box body is parallel to that of the lower box body, a steam guide pipe is fixedly connected to the upper box body, steam is guided into the heating cavity through the steam guide pipe, the upper box body is located between the two sets of backflow assemblies, and the upper box body is abutted to one side of the lower box body towards the backflow cylinder.
By adopting the technical scheme, the steam enters the heating cavity through the steam guide pipe, the polyester fiber penetrates through the heating cavity, and the steam in the heating cavity enables the polyester fiber to be heated and softened, so that the subsequent polyester fiber is convenient to stretch.
Optionally, the heat preservation mechanism includes the gas collection box of fixed connection in box lower surface down, the gas collection box passes through air guide groove and heating chamber intercommunication, the equal fixedly connected with heat preservation subassembly in the backward flow section of thick bamboo deviates from box one side, heat preservation subassembly and gas collection box intercommunication.
By adopting the technical scheme, steam firstly enters the gas collecting box from the gas guide groove and then enters the heat insulation assembly through the gas collecting box, and the heat insulation assembly effectively reduces the falling speed of the temperature of the steam in the reflux cylinder and the heating cavity, so that the heating effect of the polyester fiber is improved.
Optionally, the heat preservation subassembly includes a heat preservation section of thick bamboo, heat preservation section of thick bamboo length direction is parallel with backward flow section of thick bamboo length direction, heat preservation section of thick bamboo both ends are sealed, and steam is snakelike orbit flow along the direction of keeping away from backward flow section of thick bamboo in a heat preservation section of thick bamboo.
By adopting the technical scheme, steam flows in the heat-insulating cylinder in a snake-shaped track manner, so that the temperature descending trend in the heat-insulating cylinder is gradually reduced towards the direction far away from the reflux cylinder, and the temperature descending speed in the reflux cylinder and the heating cavity is effectively reduced.
Optionally, a plurality of first flow baffle plates and a plurality of second flow baffle plates are vertically and fixedly connected in the heat-insulating cylinder, the first flow baffle plates and the second flow baffle plates are sequentially arranged in a staggered and spaced manner along the direction away from the reflux cylinder, the lower end face of the first flow baffle plate is fixedly connected with the inner wall of the heat-insulating cylinder, the upper end face of the first flow baffle plate is arranged at a spaced manner with the inner wall of the heat-insulating cylinder, the upper end face of the second flow baffle plate is fixedly connected with the inner wall of the heat-insulating cylinder, and the lower end face of the second flow baffle plate is arranged at a spaced manner with the inner wall of the heat-insulating cylinder.
By adopting the technical scheme, the flow direction of the steam is limited by the first flow baffle plate and the second flow baffle plate, so that the temperature in the heat-preserving cylinder is gradually decreased step by step, and the falling speed of the temperature of the steam in the reflux cylinder is effectively reduced.
Optionally, the box both ends are provided with throat mechanism down, throat mechanism includes vertical fixed connection in the first enclosed plate at box both ends down, go up the vertical fixedly connected with second enclosed plate in box both ends, second enclosed plate and adjacent first enclosed plate joint, first enclosed plate and second enclosed plate will heat the chamber both ends and seal, set up the through-hole that supplies polyester fiber to pass on the first enclosed plate.
Through adopting above-mentioned technical scheme, reduce the steam of following heating chamber both ends exhaust through first closing plate and second closing plate, reduce the energy waste.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the steam exhausted from the two sides of the heating cavity flows back into the air inlet groove through the reflux cylinder, so that the polyester fibers are heated below the polyester fibers, then the steam exhausted from the air guide groove enters the heat-insulating cylinder, and the steam flows in the heat-insulating cylinder in a snake-shaped track, so that the heat of the steam in the heating cavity and the reflux cylinder is preserved, the heating effect of the polyester fibers is improved, and the drafting quality of the polyester fibers is improved;
2. the first flow baffle and the second flow baffle guide the flow of the steam, so that the steam flows in a snake-shaped track in the heat preservation cylinder, the temperature in the heat preservation cylinder is gradually decreased, and the falling speed of the temperature of the steam in the reflux cylinder is reduced;
3. the necking mechanism reduces the steam exhausted from the two ends of the heating cavity, thereby reducing the energy consumption.
Drawings
FIG. 1 is a drawing of the related art of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic view of a portion of the structure of the embodiment of the present application, which is mainly used for showing a heating box;
FIG. 4 is a schematic cross-sectional view of a part of the structure of the embodiment of the present application, which is mainly used for showing the lower box;
FIG. 5 is a schematic view, partially in section, of an embodiment of the present application, and is primarily used to show a backflow assembly and an upper tank;
FIG. 6 is a schematic view of a partial structure of an embodiment of the present application, which is mainly used for showing an upper box;
FIG. 7 is an exploded view of a portion of the structure of an embodiment of the present application, primarily for the purpose of illustrating the locking assembly;
FIG. 8 is an exploded view of a portion of the structure of the embodiment of the present application, primarily illustrating the necking mechanism;
fig. 9 is a schematic partial structural section view in the embodiment of the present application, and is mainly used for showing a heat preservation mechanism.
Description of reference numerals: 11. a lower deck plate; 12. an upper cover plate; 13. a steam nozzle; 2. a support frame; 3. a heating box; 31. a lower box body; 311. an air inlet groove; 312. a gas guide groove; 313. an air intake; 314. a groove; 32. an upper box body; 321. a steam conduit; 322. a support bar; 33. a reflow assembly; 331. a reflux drum; 332. a connecting pipe; 333. a vent channel; 334. a butting rod; 335. an abutment bar; 34. a locking assembly; 341. a first connection block; 342. a rotating shaft; 343. a bolt; 344. a second connecting block; 345. a clamping groove; 346. a yielding groove; 35. a connecting assembly; 351. a connecting strip; 352. connecting grooves; 36. a heating cavity; 4. a necking mechanism; 41. a first closing plate; 411. a closure strip; 42. a second closing plate; 421. closing the groove; 422. a through hole; 5. a heat preservation mechanism; 51. a flow guide assembly; 511. a gas collection box; 512. an air duct; 52. a heat preservation assembly; 521. a heat-preserving cylinder; 522. a first flow baffle; 523. a second flow baffle; 524. a water conduit; 525. a drain valve; 526. an exhaust port; 6. a condensing mechanism; 61. a condensing cylinder; 62. a water guide hole; 63. and (6) sealing the block.
Detailed Description
The present application is described in further detail below with reference to figures 2-9.
The embodiment of the application discloses short fiber production line's steam heating device. Referring to fig. 2, a steam heating device of short-staple production line includes support frame 2, be provided with the heating cabinet 3 of being connected with the steam source on the support frame 2, the steam source provides steam for heating cabinet 3, polyester fiber passes from heating cabinet 3 in, polyester fiber penetrates the end of penetrating that one end is heating cabinet 3, polyester fiber wears out the end of penetrating that one end is heating cabinet 3, heating cabinet 3 penetrates the end and all is provided with throat mechanism 4 with the end of penetrating, be provided with heat preservation mechanism 5 on the heating cabinet 3, the 3 lower surfaces of heating cabinet are provided with condensation mechanism 6.
Polyester fiber passes from heating cabinet 3 in, and steam heats polyester fiber and makes polyester fiber soften, and the drawing in-process of being convenient for is carried out the draft to polyester fiber, and the mechanism 5 that keeps warm at this in-process reduces the temperature falling speed in the heating cabinet 3 to make the heating temperature in the heating cabinet 3 satisfy the polyester fiber and soften the demand, the drop of water that steam temperature reduction condensation becomes gets into and stores in the condensation mechanism 6, conveniently carries out recycle to the comdenstion water.
Referring to fig. 3, the heating box 3 includes a lower box 31, the lower box 31 is a horizontally disposed rectangular plate, and the length direction of the lower box 31 is parallel to the polyester fiber conveying direction. The equal fixedly connected with backward flow subassembly 33 in lower box 31 length direction both sides, lower box 31 upper surface can be dismantled and is connected with box 32, goes up box 32 and forms the heating chamber 36 that supplies polyester fiber to pass between the box 31 down, goes up box 32 and is located between two sets of backward flow subassemblies 33, goes up box 32 and passes through coupling assembling 35 and backward flow subassembly 33 butt, goes up and is provided with locking subassembly 34 on the box 32.
Referring to fig. 4, three air inlet grooves 311 are horizontally arranged on the upper surface of the lower box 31, the length direction of the air inlet grooves 311 is perpendicular to the polyester fiber conveying direction, the three air inlet grooves 311 are arranged at intervals along the length direction of the lower box 31, and air inlet holes 313 are formed in two ends of the air inlet grooves 311 in the length direction. The upper surface of the lower box 31 is vertically provided with an air guide groove 312, an air guide groove 312 is arranged between two adjacent air guide grooves 311, and the air guide groove 312 penetrates through the lower box 31.
Referring to fig. 5, the backflow assembly 33 includes a backflow cylinder 331 fixedly connected to one side of the lower case 31 in the length direction, the backflow cylinder 331 is a square cylinder, the length direction of the backflow cylinder 331 is parallel to the length direction of the lower case 31, and two ends of the backflow cylinder 331 are closed. The side of the backflow cylinder 331 facing the lower box 31 is fixedly connected with the lower box 31, the side of the backflow cylinder 331 facing the lower box 31 is horizontally and fixedly connected with a connecting pipe 332, the length direction of the connecting pipe 332 is parallel to the length direction of the air inlet slot 311, the connecting pipe 332 slides into the air inlet hole 313, and the outer wall of the connecting pipe 332 is abutted against the inner wall of the air inlet hole 313. The side of the reflux drum 331 facing the lower case 31 is provided with a ventilation groove 333 along the length direction of the reflux drum 331, both ends of the ventilation groove 333 are not opened, and the ventilation groove 333 is communicated with the heating chamber 36.
The steam escaping from the two sides of the heating cavity 36 in the length direction enters the reflux drum 331 through the air vent 333 and then enters the air inlet 311 through the connecting pipe 332, so that the polyester fiber is heated under the polyester fiber, and the heating effect is improved.
Referring to fig. 5 and 6, the upper case 32 is a rectangular parallelepiped plate having a longitudinal direction parallel to a longitudinal direction of the lower case 31, and the upper case 32 is horizontally disposed. The upper surface of the upper box body 32 is fixedly connected with a steam guide pipe 321, one end of the steam guide pipe 321 penetrates through the upper box body 32, the other end of the steam guide pipe 321 is connected with a steam source, and the steam source is a boiler. Four support rods 322 are vertically and fixedly connected to the lower surface of the upper box body 32, a groove 314 is formed in the upper surface of the lower box body 31 corresponding to the support rods 322, the lower ends of the support rods 322 slide into the groove 314, and each support rod 322 is provided with one support rod 322 corresponding to the support rod 322. The backflow cylinder 331 is horizontally and fixedly connected with a butt rod 334 towards one side of the upper box 32, the length direction of the butt rod 334 is parallel to that of the backflow cylinder 331, a rubber butt strip 335 is fixedly connected to the upper surface of the butt rod 334 along the length direction of the butt rod 334, the lower surface of the upper box 32 is in butt joint with the butt strip 335, and a ventilation groove 333 is located below the butt rod 334 in the vertical direction. The upper box body 32 is abutted with the backflow cylinder 331, and the abutting strip 335 is used for reducing steam escaping from the joint of the upper box body 32 and the backflow cylinder 331, so that the waste of the steam is reduced.
Referring to fig. 5, coupling assembling 35 includes connecting strip 351 that fixed connection is in last box 32 towards a backward flow section of thick bamboo 331 one side, and connecting strip 351 is wedge design and vertical setting, goes up box 32 towards a connecting strip 351 of the equal fixedly connected with in length direction both ends of a backward flow section of thick bamboo 331 one side, and a connecting groove 352 has vertically been seted up towards last box 32 one side to a backward flow section of thick bamboo 331, and connecting groove 352 is the dovetail, and in connecting strip 351 vertical slided in connecting groove 352.
Referring to fig. 6 and 7, the locking assembly 34 includes a first connecting block 341 fixedly connected to the upper surface of the backflow cylinder 331, a rotating shaft 342 is rotatably connected to the first connecting block 341, the axial direction of the rotating shaft 342 is parallel to the length direction of the backflow cylinder 331, a bolt 343 is threadedly connected to the rotating shaft 342, the axial direction of the bolt 343 is perpendicular to the axial direction of the rotating shaft 342, a second connecting block 344 is fixedly connected to one side of the upper case 32 facing the backflow cylinder 331, a clamping groove 345 is formed in the lower surface of the second connecting block 344, and the first connecting block 341 is clamped in the clamping groove 345. The second connecting block 344 is provided with a receding groove 346 on the side away from the upper case 32, the screw of the bolt 343 is rotatably connected in the receding groove 346, and when the head of the bolt 343 abuts against the upper surface of the second connecting block 344, the bolt 343 fixes the first connecting block 341 and the second connecting block 344.
After the upper box 32 is placed on the supporting rod 322, the lower surface of the upper box 32 abuts against the abutting strip 335, the connecting strip 351 slides into the connecting groove 352, the first connecting block 341 is clamped in the clamping groove 345, the bolt 343 is rotated to be in a vertical state, the bolt 343 is screwed down, the head of the bolt 343 abuts against the upper surface of the second connecting block 344, and therefore the upper box 32 is fixed.
Referring to fig. 1 and 8, the necking mechanism 4 includes a first closing plate 41 vertically and fixedly connected to two ends of the upper box 32, the first closing plate 41, a second closing plate 42 vertically and fixedly connected to two ends of the lower box 31, a closing strip 411 fixedly connected to a lower end of the first closing plate 41, a closing groove 421 is provided on an upper end surface of the second closing plate 42, the closing strip 411 is clamped in the closing groove 421, and a through hole 422 for the polyester fiber to pass through is provided on the second closing plate 42. The area of the openings at the two ends of the heating cavity 36 is reduced by the first closing plate 41 and the second closing plate 42, so that the waste of steam is reduced.
Referring to fig. 1 and 9, the heat preservation mechanism 5 includes a flow guide assembly 51 fixedly connected to the lower surface of the lower box 31, a heat preservation assembly 52 fixedly connected to one side of the backflow cylinder 331 away from the upper box 32, and the heat preservation assembly 52 is fixedly connected and communicated with the flow guide assembly 51.
Referring to fig. 9, the flow guiding assembly 51 includes a gas collecting box 511 fixedly connected to the lower surface of the lower box 31, and a gas guiding tube 512 is fixedly connected to one side of the gas collecting box 511 facing the heat insulation assembly 52.
Referring to fig. 9, the heat insulation assembly 52 includes a heat insulation cylinder 521 fixedly connected to a side of the backflow cylinder 331 away from the lower box 31, the heat insulation cylinder 521 is a square cylinder with a length direction parallel to the length direction of the backflow cylinder 331, and two ends of the heat insulation cylinder 521 are closed. A plurality of first flow baffle plates 522 and a plurality of second flow baffle plates 523 are vertically and fixedly connected to the inner wall of the heat-insulating cylinder 521, the first flow baffle plates 522 and the second flow baffle plates 523 are arranged in a staggered and spaced manner, in this embodiment, four first flow baffle plates 522 are provided, and three second flow baffle plates 523 are provided. The lower end surface of the first flow baffle 522 is fixedly connected with the bottom wall of the heat-insulating cylinder 521, and the upper end surface of the first flow baffle 522 is arranged at intervals with the top wall of the heat-insulating cylinder 521. The upper end surface of the second flow baffle 523 is fixedly connected with the top wall of the heat-insulating cylinder 521, and the lower surface of the second flow baffle 523 is arranged at intervals with the bottom wall of the heat-insulating cylinder 521. The four first flow baffles 522 divide the interior of the heat insulation cylinder 521 into five heat insulation cavities, the lower surface of the heat insulation cylinder 521 is vertically and fixedly connected with a water guide pipe 524, the water guide pipe 524 is communicated with the heat insulation cavities, each water guide pipe 524 corresponds to one heat insulation cavity, and a drain valve 525 is fixedly connected to the water guide pipe 524. An air outlet 526 is formed in one side of the heat preservation cylinder 521, which is far away from the lower box body 31.
Steam enters the gas collecting box 511 through the gas guide groove 312 and then enters the heat preservation cylinder 521 through the gas guide pipe 512, and the steam flows in a serpentine shape in the heat preservation cylinder 521 under the influence of the first flow baffle plate 522 and the second flow baffle plate 523, so that the temperature in the heat preservation cylinder 521 gradually decreases from the direction close to the lower box body 31 to the direction far away from the lower box body 31, the temperature decrease speed in the heating cavity 36 is effectively reduced, the temperature in the heating cavity 36 is kept at the polyester fiber softening temperature, the heating effect is improved, and the energy waste is reduced.
Referring to fig. 9, the condensing mechanism 6 includes a condensing cylinder 61 fixedly connected to the lower surface of the gas collecting box 511, the condensing cylinder 61 is in a shape of a reversed frustum, the lower end of the condensing cylinder 61 is not opened, a water guiding hole 62 is formed in the lower end of the condensing cylinder 61, a rubber sealing block 63 is clamped in the water guiding hole 62, and the side wall of the sealing block 63 abuts against the side wall of the water guiding hole 62.
The implementation principle of the steam heating device of the short fiber production line is as follows: in the heating process, steam is discharged from the two sides of the heating cavity 36 in the length direction, and then enters the reflux cylinder 331 through the air vent 333, the steam entering the reflux cylinder 331 enters the air inlet 311 through the connecting pipe 332, and the polyester fibers are heated from the lower side of the polyester fibers.
After entering the gas collecting box 511 through the gas guiding groove 312, water drops formed by steam condensation accumulate at the lower end of the condensation cylinder 61, the steam enters the heat-insulating cylinder 521 through the gas guiding pipe 512, the steam flows in a serpentine shape in the heat-insulating cylinder 521 and is finally discharged from the gas outlet 526, and the water drops formed by steam condensation in the process are discharged through the drain valve 525.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (4)
1. A steam heating device of short fiber production line is characterized in that: the polyester fiber heating device comprises a heating box (3) for carrying out steam heating on polyester fibers, wherein the heating box (3) comprises a lower box body (31) which is horizontally arranged, an upper box body (32) is detachably connected onto the lower box body (31), the upper box body (32) and the lower box body (31) are arranged in parallel and are arranged at intervals in the vertical direction, a heating cavity (36) is formed between the upper box body (32) and the lower box body (31), and the polyester fibers penetrate through the heating cavity (36);
a backflow component (33) is fixedly connected to the lower box body (31), the backflow component (33) is communicated with the heating cavity (36), an air inlet groove (311) is horizontally formed in the upper surface of the lower box body (31), the air inlet groove (311) is communicated with the heating cavity (36), the backflow component (33) is communicated with the air inlet groove (311), an air guide groove (312) is formed in the lower box body (31), and the lower box body (31) is penetrated through by the air guide groove (312);
the lower box body (31) is provided with a heat preservation mechanism (5), the heat preservation mechanism (5) is positioned on one side, away from the lower box body (31), of the backflow component (33), and the heat preservation mechanism (5) is communicated with the air guide groove (312);
the lower box body (31) is a horizontally arranged cuboid plate, the length direction of the lower box body (31) is parallel to the length direction of the polyester fibers, the length direction of the air inlet groove (311) is parallel to the length direction of the lower box body (31), and two sides of the length direction of the lower box body (31) are fixedly connected with backflow assemblies (33);
the backflow component (33) comprises a backflow barrel (331) which is horizontally arranged, two ends of the backflow barrel (331) are closed, the length direction of the backflow barrel (331) is parallel to the length direction of the lower box body (31), a vent groove (333) is formed in one side, facing the lower box body (31), of the backflow barrel (331), the backflow barrel (331) is communicated with the interior of the heating cavity (36) through the vent groove (333), and one side, facing the lower box body (31), of the backflow barrel (331) is communicated with the air inlet groove (311) through a connecting pipe (332);
the heat preservation mechanism (5) comprises a gas collection box (511) fixedly connected to the lower surface of the lower box body (31), the gas collection box (511) is communicated with the heating cavity (36) through a gas guide groove (312), one side, deviating from the lower box body (31), of the backflow cylinder (331) is fixedly connected with a heat preservation component (52), and the heat preservation component (52) is communicated with the gas collection box (511);
the heat insulation assembly (52) comprises a heat insulation barrel (521), the length direction of the heat insulation barrel (521) is parallel to the length direction of the backflow barrel (331), two ends of the heat insulation barrel (521) are closed, and steam flows in the heat insulation barrel (521) along a snake-shaped track in a direction far away from the backflow barrel (331);
heating cabinet (3) lower surface is provided with condensation mechanism (6), and condensation mechanism (6) are including condensation section of thick bamboo (61) of fixed connection in gas collection box (511) lower surface, and condensation section of thick bamboo (61) shape is the frustum of a pyramid shape, and condensation section of thick bamboo (61) lower extreme is not opened, and water guide hole (62) have been seted up to condensation section of thick bamboo (61) lower extreme, and water guide hole (62) department joint has rubber to seal piece (63), seals piece (63) lateral wall and water guide hole (62) lateral wall butt.
2. A steam heating apparatus for short fiber production line according to claim 1, characterized in that: go up box (32) for the cuboid board of level setting, go up box (32) length direction and be parallel with lower box (31) length direction, go up fixedly connected with steam pipe (321) on box (32), steam pipe (321) are with steam guide heating chamber (36) in, it is located between two sets of backward flow subassembly (33) to go up box (32), go up box (32) and backward flow section of thick bamboo (331) towards box (31) one side butt down.
3. A steam heating apparatus for short fiber production line according to claim 1, characterized in that: the heat-insulation barrel is characterized in that a plurality of first flow blocking plates (522) and a plurality of second flow blocking plates (523) are vertically and fixedly connected into the heat-insulation barrel (521), the first flow blocking plates (522) and the second flow blocking plates (523) are sequentially arranged in a staggered and spaced mode along the direction far away from the backflow barrel (331), the lower end faces of the first flow blocking plates (522) are fixedly connected with the inner wall of the heat-insulation barrel (521), the upper end faces of the first flow blocking plates (522) are arranged at intervals with the inner wall of the heat-insulation barrel (521), the upper end faces of the second flow blocking plates (523) are fixedly connected with the inner wall of the heat-insulation barrel (521), and the lower end faces of the second flow blocking plates (523) are arranged at intervals with the inner wall of the heat-insulation barrel (521).
4. A steam heating apparatus for short fiber production line according to claim 1, characterized in that: lower box (31) both ends are provided with throat mechanism (4), throat mechanism (4) include vertical fixed connection in first closing plate (41) at lower box (31) both ends, go up vertical fixedly connected with second closing plate (42) in box (32) both ends, second closing plate (42) and adjacent first closing plate (41) joint, first closing plate (41) and second closing plate (42) are with heating chamber (36) both ends are sealed, offer through-hole (422) that supply polyester fiber to pass on first closing plate (41).
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| CN202110909483.7A CN113652757B (en) | 2021-08-09 | 2021-08-09 | Steam heating device of short fiber production line |
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|---|---|---|---|
| CN202110909483.7A CN113652757B (en) | 2021-08-09 | 2021-08-09 | Steam heating device of short fiber production line |
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| CN113652757A CN113652757A (en) | 2021-11-16 |
| CN113652757B true CN113652757B (en) | 2022-09-02 |
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| US3093955A (en) * | 1958-06-28 | 1963-06-18 | Bemberg Spa | Device for the twisting and heat setting of threads or yarns of synthetic material, constituted preferably of numerous elementary filaments or fibers |
| CN103205819A (en) * | 2013-04-08 | 2013-07-17 | 北京中纺优丝特种纤维科技有限公司 | Detachable spinning manifold heated by biphenyl steam which is heating medium |
| CN204281914U (en) * | 2014-11-24 | 2015-04-22 | 东莞市拓展实业有限公司 | A kind of saturated vapor drafting system |
| CN107447270A (en) * | 2017-08-31 | 2017-12-08 | 中安信科技有限公司 | A kind of polyacrylonitrile fibril for carbon fiber production pressurize steam pipe type drafting system and method |
| CN211367884U (en) * | 2019-10-16 | 2020-08-28 | 张家港市永兴机械设备制造有限公司 | Steam heating device |
| CN212688262U (en) * | 2020-06-08 | 2021-03-12 | 江苏三联新材料有限公司 | Steam heating device for polyester fiber tows |
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2021
- 2021-08-09 CN CN202110909483.7A patent/CN113652757B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3093955A (en) * | 1958-06-28 | 1963-06-18 | Bemberg Spa | Device for the twisting and heat setting of threads or yarns of synthetic material, constituted preferably of numerous elementary filaments or fibers |
| CN103205819A (en) * | 2013-04-08 | 2013-07-17 | 北京中纺优丝特种纤维科技有限公司 | Detachable spinning manifold heated by biphenyl steam which is heating medium |
| CN204281914U (en) * | 2014-11-24 | 2015-04-22 | 东莞市拓展实业有限公司 | A kind of saturated vapor drafting system |
| CN107447270A (en) * | 2017-08-31 | 2017-12-08 | 中安信科技有限公司 | A kind of polyacrylonitrile fibril for carbon fiber production pressurize steam pipe type drafting system and method |
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| CN212688262U (en) * | 2020-06-08 | 2021-03-12 | 江苏三联新材料有限公司 | Steam heating device for polyester fiber tows |
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| CN113652757A (en) | 2021-11-16 |
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