CN204935963U - For the fibrous recovery unit of waste silk recycling - Google Patents
For the fibrous recovery unit of waste silk recycling Download PDFInfo
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- CN204935963U CN204935963U CN201520531917.4U CN201520531917U CN204935963U CN 204935963 U CN204935963 U CN 204935963U CN 201520531917 U CN201520531917 U CN 201520531917U CN 204935963 U CN204935963 U CN 204935963U
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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
- 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
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Abstract
The utility model relates to a kind of fibrous recovery unit for waste silk recycling, belongs to chemical fibre returns processing technique field.Be made up of the change feeding unit connected in turn, crushing mechanism, feed bin, feed screw, filter element, polycondensation unit and pelletizing unit, described change feeding unit is made up of conveyer belt and the metal detector be arranged on conveyer belt, crushing mechanism comprises housing, charging aperture, push pedal, mechanical arm, crushing cutter, feed opening and discharging mechanism, and filter element washes net net-changing device by backpulsing, booster pump, filer element type fondant filter three part are formed.The utility model is applied to the processing recycling of chemical fibre returns, there is the advantages such as raw material availability is high, easy to process.
Description
Technical field
The utility model relates to a kind of fibrous recovery unit for waste silk recycling, belongs to technical field.
Background technology
In production of chemical fibres, because the variation of material, equipment, technology and the switching of product variety inevitably produce waste silk.Along with the sharp increase of chemical fibre production capacity, chemical fibre waste material is also increasing.If be not used, can solid waste be formed on the one hand, or even white garbage; On the other hand, the fossil resources such as oil are non-renewable, and the chemical fiber industry as petrochemical industry downstream is needed badly and carried out recycling to this part waste material.In garbage collection, storage and transport process, meeting entrained solids impurity, if do not filtered and direct reuse, will cause the next procedure of regeneration feed, and regeneration spinning, directly spray again green sheet, injection moulding, bottle blowing etc. and cannot normally carry out, and affect the quality of final products.
Based on this, make subject application.
Utility model content
Under the prerequisite not affecting product quality, in order to the waste silks such as a large amount of civilian silks carry out secondary recycling, the utility model provides a kind of fibrous recovery unit for waste silk recycling, and this device, by after broken for the waste silk of civilian silk level melting, is stated to the level of primary polyester slice.
For achieving the above object, the technical scheme taked of the utility model is as follows:
For the fibrous recovery unit of waste silk recycling, by the change feeding unit connected in turn, crushing mechanism, feed bin, feed screw, filter element, polycondensation unit and pelletizing unit are formed, described change feeding unit is made up of conveyer belt and the metal detector be arranged on conveyer belt, described crushing mechanism comprises housing, charging aperture, push pedal, mechanical arm, crushing cutter, feed opening and discharging mechanism, charging aperture is arranged at housing upper end, push pedal, mechanical arm, crushing cutter is positioned at enclosure interior, push pedal is installed in inner walls by swing arm, and swing arm and charging aperture contour, crushing cutter is positioned at below charging aperture, feed opening is positioned at below crushing cutter, discharging mechanism is positioned at below feed opening, described filter element washes net net-changing device by backpulsing, booster pump, filer element type fondant filter three part are formed, booster pump is washed net net-changing device respectively and is connected with filer element type fondant filter with backpulsing, melt is washed net net-changing device through backpulsing and is entered booster pump, is entering filer element type fondant filter, described polycondensation unit is made up of booster pump, polycondensation vessel and vacuum system, and polycondensation vessel is horizontal, built-in squirrel-cage agitator, described pelletizing unit comprises booster pump and pelleter.
Further, as preferably:
Described crushing cutter comprises cutter hub, stationary knife and filter screen, and cutter hub is cylindrical structural, along its outer wall being provided with several cutter grooves, coordinate and be provided with cutting knife, and cutting knife outward flange being given prominence to outside cutter hub in cutter groove; Filter screen is semicircular structure, and bag is located at outside cutter hub, and stationary knife has two rows, is arranged at the outward flange at filter screen two ends respectively, and make stationary knife be positioned at above cutter hub, stationary knife coordinates the fragmentation realizing fiber with cutting knife.
Described cutter groove is spirally distributed on cutter hub outer wall, and this cutter groove extends (but not arriving axle center) by cutter hub outer wall to cutter hub axis direction and forms the little channel-shaped structure of outer imperial palace.
Described cutting knife is rhombus, and wherein one jiao is positioned at cutter groove, and another angle of correspondence is then given prominence to outside cutter hub.
Described discharging mechanism is made up of shell, discharge screw, entrance and exit, and entrance is positioned on shell, and is positioned at immediately below feed opening, and discharge screw is installed in shell.
Described feed bin comprises the warehouse, conical bottom and the tremie pipe that connect in turn, and warehouse is square column structure, and conical bottom is communicated with warehouse bottom, and tremie pipe is then communicated with conical bottom; Described warehouse top arranges square upper shed, upper shed forms antetheca, rear wall, Zuo Bi and You Bi by warehouse top respectively to downward-extension, antetheca, rear wall are arranged respectively deduster one, deduster two, and antetheca and rear wall extend respectively to both sides and and warehouse to form between dedusting between one and dedusting two, two to be communicated with by manifold trunk between one with dedusting between dedusting, the dust converged with collecting dust-removing device one, deduster two and chip; Warehouse and conical bottom junction have been horizontally disposed with some rollers, arrange and organize hired roughneck more below roller; Tremie pipe is communicated with conical bottom, and the position that tremie pipe is connected with conical bottom is provided with and sends on screw rod, send on screw rod to be horizontally disposed with, be divided into left section and right section, left section send on screw rod with right section to send on screw flight direction contrary, send on below screw rod and vertically conveyor screw be installed, and the initiating terminal of conveyor screw be positioned at left section send on screw rod and right section send on immediately below screw rod; In tremie pipe, arrange left section, right section two sections before this sidewards and send on screw rod, these two sections to send on screw flight direction contrary, waste silk after hired roughneck's shredding is squeezed toward middle, and two sections of places sent in the middle of screw rod are vertically provided with conveyor screw, waste silk down squeezes by this conveyor screw, completes blanking process.
Described backpulsing is washed net net-changing device and is comprised plunger, distribution plate, net-changing device cavity and hydraulic cylinder, and plunger at one end loads in net-changing device cavity, and the other end is then connected with the position bar of hydraulic cylinder; Plunger sidewall is symmetrically arranged with cavity, is provided with distribution plate, filter screen group and screen retainer from inside to outside successively in cavity, distribution plate is hemispherical dome structure, and its sphere is towards plunger body, and filter screen group is made up of skeleton and meticulous net, and is fixed by screen retainer; Be provided with melt flow channel in described net-changing device cavity, the cavity connects of this melt flow channel and plunger, this melt flow channel runs through net-changing device cavity and arranges, and its one end is entrance, and the other end is outlet; The net-changing device cavity of inlet side is provided with backwash mouth, this backwash mouth can with the cavity connects of plunger; Distribution plate or screen retainer are provided with pressure sensor, and this pressure sensor is connected with hydraulic cylinder, to realize the transmission of pressure signal.
Lower wall is provided with heating plate to described net-changing device cavity.
Described filer element type fondant filter is made up of urceolus, lower cover, filter core, upper cover plate and shell body, filter core is installed between upper cover plate and lower cover, urceolus is then set in after on filter core and loads in shell body, lower cover sidewall arranges melt inlet, top arranges multiple diffluence pass in filter core periphery, and each diffluence pass is all communicated with in lower cover with melt inlet; Filter core is made up of filter stick, filter medium and skeleton outer net, filter stick outer wall is provided with multiple aperture, middle part is then provided with melt canal, aperture communicates with melt canal, and bottom the not through filter stick in lower end, melt canal, filter stick top is then run through in upper end, and filter medium bag is located on filter stick, and skeleton outer net is then set up on filter medium; Upper cover plate is provided with melt outlet, and this melt outlet communicates with melt canal.
The utility model is applied to the processing of the reclaiming material such as chemical fiber waste filament, waste silk is by conveyer belt transmission, after metal detector detects, send in crushing mechanism through charging aperture, in this crushing mechanism, mechanical arm and crushing cutter start, chemical fiber waste filament is delivered to crushing cutter place by push pedal under the effect of mechanical arm, when chemical fiber waste filament drops on cutter hub, because cutter hub is in rotary state, and filter screen and stationary knife are stationary state, fiber runs in cutter groove, under the rubbing action of stationary knife and cutting knife, civilian silk waste silk ruptures and forms broken section, these broken section leaks to feed opening by filter screen, again through the entrance of feed opening to discharging mechanism, be delivered to after outlet through discharge screw, broken waste silk is when the upper shed of feed bin is sent into, fall on roller, after the broken section fibre fallen down being carried out extruding dispersion under the rolling of roller, fall into again in hired roughneck, under cross hired roughneck effect, broken section of fiber carries out shredding and after smashing again, drop and sending in screw rod, under the helical feed sending on screw rod, further pre-homogenize is carried out to fiber, until broken section of fiber after sending on and screw rod falls down, directly drop in conveyor screw, again homogenize is carried out under the rotation of conveyor screw, when fiber exports from tremie pipe, be clean not containing the uniform ground state of dust, broken section of the fiber of this state is directly sent in the twin-screw extruder melt element of feed screw and is carried out melting, article two, the size of screw rod is completely the same, rotating speed is reverse, adopt electrical heating, through being naturally vented, after the improving uniformity of melt of good spinning property can being formed after melting and vacuum draw, this melt first washes net net-changing device through backpulsing, melt enters melt flow channel from entrance, and after being filtered by filter screen group after distribution plate distributes, flowed out by the outlet of the net-changing device cavity other end, namely normal melt filtration and supply work is completed, then start booster pump, melt enters through the valve of shell body, first enters through melt inlet, enter between filter core and urceolus through diffluence pass, again after skeleton outer net and filter medium complete filtration, enter in the melt canal of filter stick, import through melt canal in upper cover plate, and discharge through melt outlet, the melt of discharging enters polycondensation unit through booster pump, under the effect of squirrel-cage agitator after polycondensation vessel polycondensation, is stated to the level of primary polyester slice, pelleter blank forms polyester slice.
In use, the main melting screw rod of feed screw adopts two-flight screw, increases nature exhaust outlet, and melting effect is better, screw speed: 300 turns/min, and screw rod end has temperature, pressure monitoring, generally at about 270 DEG C, and pressure 10 kilograms; Backpulsing washes the recoil in every 1 hour of net net-changing device once, and this backpulsing is washed net net-changing device and adopted electrical heating, and backwash efficiency is high, and avoid producing and pause, Increasing Production and Energy Saving, saves production cost; Significantly reduce draping frequency, avoid frequent draping; Melt booster pump adopts electrical heating, and in feeder process, pressure is about 10 kilograms, rotating speed 20 turns/min; In routine use, enter where organize filtration system by Valve controlling melt, when switching etc. needs, again by another group of valve transfer, and this group changed can be cleaned, and filer element type fondant filter is vertical polyester fondant filter, every 30h switches once, online switching, switches when pressure reaches 60 kilograms, adopts heating agent to be incubated in shell body; Filter core adopts filter stick, filters the layer structure of liner and filtration outer net three layers, filters liner and adopts stainless steel fibre sintering felt, filters outer net employing stainless steel insert net; Polycondensation unit does not add catalyst in course of reaction, heating medium for heating, and temperature is 260-265 DEG C, time of staying 5-60min, rotating speed 1.8 turns/min.
In the utility model, can adopt corresponding 4 screw rods of two cover breakers, after melting, in a thickening still, carry out thickening reaction, like this, define a complete system, uniformity also can improve.Thickening reactor can be increased in polycondensation unit, so, civilian silk can be reclaimed, inherent viscosity is the civilian silk of 0.67dl/g, and after melting, viscosity is down to about 0.51dl/g, by thickening still, viscosity can improve 0.1-0.2, reaches 0.67dl/g even about 0.7dl/g.So just the same with the viscosity of primary section, also expand purposes.And national industrial yarn production capacity only has 1,400,000 tons, and waste silk is at about 30,000 tons, and civilian silk has the production capacity of about 2,000 ten thousand tons, waste silk amount is large, has expanded the object reclaimed; If adopt industrial yarn raw material, after reclaiming, viscosity is 0.7dl/g, after polycondensation, can 0.8-0.9dl/g being reached, can be used for the civilian silk waste silk of nonfood grade bottle sheet through reclaiming, after thickening, viscosity can reach 0.67dl/g, and end carboxyl is that 26-35mol/t, b value is at about 10-12.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the perspective view of crushing mechanism in Fig. 1;
Fig. 3 is the structural representation of crushing cutter in the utility model;
Fig. 4 is the side view of crushing cutter in the utility model;
Fig. 5 is the structural representation of discharging mechanism in the utility model;
Fig. 6 is the longitudinal sectional view of feed bin in the utility model;
Fig. 7 is the longitudinal sectional view of another angle of the utility model;
Fig. 8 is the structural representation of plunger in the utility model;
Fig. 9 is the front view of the utility model when normally using;
Figure 10 is the side view of the utility model when normally using;
Figure 11 is the top view of the utility model when normally using;
Figure 12 is the top view of the utility model backwash state;
Figure 13 is the structural representation of filter core in the utility model;
Figure 14 is the fractionation structural representation of the utility model China and foreign countries' housing and urceolus.
Number in the figure: A. change feeding unit; B. filter element; C. polycondensation unit; D. pelletizing unit; 1. conveyer belt; 11. metal detectors; 2. crushing mechanism; 21. housings; 22. charging apertures; 23. push pedals; 231. swing arm; 24. mechanical arms; 25. crushing cutters; 251. cutter hub; 252. cutter grooves; 253. cutting knife; 254. stationary knife; 255. filter screen; 26. feed openings; 27. discharging mechanisms; 271. shell; 272. discharge screw; 273. entrance; 274. outlet; 28. baffle plates; 29. cover plates; 3. feed bin; 31. warehouses; 311. upper shed; The left wall of 31a.; The right wall of 31b.; 312. side opening; 32. conical bottom; 33. tremie pipes; 34. top covers; 35. dedusting mechanisms; 351. dedusters one; 352. dedusters two; Between 353. dedustings one; Between 354. dedustings two; 355. manifold trunk; 36. rollers; 37. hired roughnecks; 38. send on screw rod; 39. conveyor screw; 4. feed screw; 5. wash net net-changing device; 51. plungers; 51a. plunger one; 51b. plunger two; 511. cavitys one; 512. cavitys two; 52. distribution plates; 53. filter screen groups; 531. skeleton; 532. meticulous nets; 54. screen retainer; 55. backwash mouths; 551. backwash runners; 56. net-changing device cavitys; 561. entrance; 562. melt flow channel one; 563. melt flow channel two; 564. outlet; 57. heating plates; 58. hydraulic cylinders; 58a. hydraulic cylinder one; 58b. hydraulic cylinder two; 581. position bars; 6. booster pump; 7. fondant filter; 71. urceolus; 72. lower covers; 721. melt inlet; 722. diffluence pass; 73. filter cores; 731. skeleton outer nets; 732. filter medium; 733. filter stick; 734. melt canal; 74. upper cover plates; 741. melt outlet; 75. shell bodies; 751. valve; 752. accommodation chamber; 8. polycondensation vessel; 81. squirrel-cage agitators; 9. pelleter.
Detailed description of the invention
Embodiment 1
The present embodiment is used for the fibrous recovery unit of waste silk recycling, composition graphs 1, by the change feeding unit A connected in turn, crushing mechanism 2, feed bin 3, feed screw 4, filter element B, polycondensation unit C and pelletizing cells D are formed, change feeding unit A is made up of conveyer belt 1 and the metal detector 11 be arranged on conveyer belt 1, composition graphs 2, crushing mechanism 2 comprises housing 21, charging aperture 22, push pedal 23, mechanical arm 24, crushing cutter 25, feed opening 26 and discharging mechanism 27, charging aperture 22 is arranged at housing 21 upper end, push pedal 23, mechanical arm 24, it is inner that crushing cutter 25 is positioned at housing 21, push pedal 23 is installed on housing 21 inwall by swing arm 231, and swing arm 231 is contour with charging aperture 22, crushing cutter 25 is positioned at below charging aperture 22, feed opening 26 is positioned at below crushing cutter 25, discharging mechanism 27 is positioned at below feed opening 26, wherein, in conjunction with pattern 3 and Fig. 4, crushing cutter 25 comprises cutter hub 251, stationary knife 254 and filter screen 255, cutter hub 251 is cylindrical structural, along its outer wall being provided with several cutter grooves 252, cutter groove 252 is spirally distributed on cutter hub 251 outer wall, this cutter groove 252 extends (but not arriving axle center) by cutter hub 251 outer wall to cutter hub 251 axis direction and forms the little channel-shaped structure of outer imperial palace, coordinate in cutter groove 252 and cutting knife 253 is installed, this cutting knife 253 is rhombus, wherein one jiao is positioned at cutter groove 252, outward flange on the other side one jiao is then given prominence to outside cutter hub 251, filter screen 255 is semicircular structure, and bag is located at outside cutter hub 251, and stationary knife 254 has two rows, is arranged at the outward flange at filter screen 255 two ends respectively, and make stationary knife 254 be positioned at above cutter hub 251, stationary knife 254 coordinates with cutting knife 253 fragmentation realizing fiber, composition graphs 5, discharging mechanism 27 is made up of shell 271, discharge screw 272, entrance 273 and outlet 274, and entrance 273 is positioned on shell 271, and is positioned at immediately below feed opening 26, and discharge screw 272 is installed in shell 271, filter element B washes net net-changing device 5 by backpulsing, booster pump 6, filer element type fondant filter 7 three part are formed, and booster pump 6 is washed net net-changing device 5 respectively and is connected with filer element type fondant filter 7 with backpulsing, polycondensation unit C is made up of booster pump, polycondensation vessel 8 and vacuum system, and polycondensation vessel 8 is horizontal, built-in squirrel-cage agitator, pelletizing cells D comprises booster pump and pelleter 9.
Wherein, composition graphs 6 and Fig. 7, feed bin 3 comprises the warehouse 31, conical bottom 32 and the tremie pipe 33 that connect in turn, and warehouse 31 is square column structure, and conical bottom 32 is communicated with warehouse 31 bottom, and tremie pipe 33 is communicated with conical bottom 32; Warehouse 31 top arranges square upper shed 311, upper shed 311 forms antetheca, rear wall, left wall 31a and right wall 31b by warehouse 31 top respectively to downward-extension, antetheca, rear wall are arranged respectively deduster 1, deduster 2 352, and antetheca and rear wall extend respectively to both sides and and warehouse to form between dedusting between one 353 and dedusting 2 354,2 354 to be communicated with by manifold trunk 355 between one 353 with dedusting between dedusting, the dust converged with collecting dust-removing device 1, deduster 2 352 and chip; Warehouse 31 and conical bottom 32 junction have been horizontally disposed with some rollers 36, arrange many group hired roughnecks 37 below roller 36; Tremie pipe 33 is communicated with conical bottom 32, and tremie pipe 33 and conical bottom 32 junction are provided with and send on screw rod 38, send on screw rod 38 to be horizontally disposed with, be divided into left section and right section (being as the criterion with left and right in Fig. 6), left section send on screw rod with right section to send on screw flight direction contrary, send on below screw rod 38 and conveyor screw 39 is vertically installed, and the screw rod that sends on sending on screw rod and right section that the initiating terminal of conveyor screw 39 is positioned at left section crosses immediately below center; In tremie pipe 33, arrange left section, right section two sections before this sidewards and send on screw rod 38, these two sections of hand of spirals sending on screw rod 38 are contrary, waste silk after hired roughneck 37 shredding is squeezed toward middle, and two sections of places sent in the middle of screw rod 38 are vertically provided with conveyor screw 39, waste silk down squeezes by this conveyor screw 39, completes blanking process.
Composition graphs 8-11, backpulsing is washed net net-changing device 5 and is comprised plunger 51, distribution plate 52, net-changing device cavity 56 and hydraulic cylinder 58, and plunger 51 one end loads in net-changing device cavity 56, and the other end is then connected with the position bar 581 of hydraulic cylinder 58, plunger 51 sidewall is symmetrically arranged with cavity 1 and cavity 2 512, cavity 1, by being provided with distribution plate 52 in equal in cavity 2 512, filter screen group 53 and screen retainer 54, distribution plate 52, filter screen group 53 and screen retainer 54 set gradually from inside to outside, distribution plate 52 is hemispherical dome structure, and its sphere is inner towards plunger 51, filter screen group 53 is made up of skeleton 531 and meticulous net 532, skeleton 531 is provided with two-layer, the precision of meticulous net 532 is 10-100 micron, meticulous net 532 is provided with two-layer, in meticulous net 532 occupies, skeleton 531 is arranged at outside two layers of fine net 532, after skeleton 531 and meticulous net 532 install, fixed by screen retainer 54, melt flow channel 1 and melt flow channel 2 563 is provided with in net-changing device cavity 56, melt flow channel 1 and melt flow channel 2 563 with net-changing device cavity 56 center for symmetry axis is arranged in the inner, this melt flow channel is communicated with the cavity (cavity 1, cavity 2 512) of plunger 51, this melt flow channel (melt flow channel 1, melt flow channel 2 563) runs through net-changing device cavity 56 and arranges, its one end is entrance 561, and the other end is outlet 564, the net-changing device cavity 56 of entrance 561 side is provided with backwash mouth 55, by mobile plunger 51, the cavity connects of this backwash mouth 55 and plunger 51 can be made, lower wall is provided with heating plate 57 to net-changing device cavity 56, screen retainer 54 is provided with pressure sensor, and this pressure sensor is connected with hydraulic cylinder 58, to realize the transmission of pressure signal.In the present embodiment, plunger 51 is provided with two, be respectively plunger one 51a and plunger two 51b, plunger two 51b is positioned at immediately below plunger one 51a, and with the center line of net-changing device cavity 56 for symmetry axis is symmetrical arranged, the corresponding hydraulic cylinder 58 of each plunger 51, the hydraulic cylinder that wherein plunger one 51a is corresponding is called hydraulic cylinder one 58a, the hydraulic cylinder that plunger two 51b is corresponding is called hydraulic cylinder two 58b, and corresponding each hydraulic cylinder 58 arranges a position bar 581, the corresponding plunger of each position bar 581.
In conjunction with Figure 13 and Figure 14, filer element type fondant filter 7 is made up of urceolus 71, lower cover 72, filter core 73, upper cover plate 74 and shell body 75, filter core 73 is installed between upper cover plate 72 and lower cover 74, urceolus 71 is set on the filter core 73 between upper cover plate 72 and lower cover 74, again this urceolus 71 is placed in the accommodation chamber 752 of shell body 75 together with filter core 73, the sidewall of lower cover 72 is arranged melt inlet 721, top arranges multiple diffluence pass 722 in filter core 73 periphery, and each diffluence pass 722 is all communicated with in lower cover 72 with melt inlet 721; Filter core 73 is made up of skeleton outer net 731, filter medium 732 and filter stick 733, filter stick 733 outer wall is provided with multiple aperture, middle part is then provided with melt canal 734, aperture communicates with melt canal 734, and bottom the not through filter stick 733 in lower end, melt canal 734, filter stick 733 top is then run through in upper end, and filter medium 732 bag is located on filter stick 733, and skeleton outer net 731 is set up on filter medium 732; Upper cover plate 74 is provided with melt outlet 741, this melt outlet 741 communicates with melt canal 734; In the present embodiment, the seat type net filtration medium that filter medium 732 becomes for stainless steel fibre sintering felt, its filtering accuracy is 20 μm; Skeleton outer net 731 is stainless steel insert net, and its filtering accuracy is 100 orders.
The utility model is applied to the processing of the reclaiming material such as chemical fiber waste filament, waste silk is transmitted by conveyer belt 1, after metal detector 11 detects, send in crushing mechanism 2 through charging aperture 22, in this crushing mechanism 2, mechanical arm 24 and crushing cutter 25 start, chemical fiber waste filament is delivered to crushing cutter 25 place by push pedal 23 under the effect of mechanical arm 24, when chemical fiber waste filament drops on cutter hub 251, because cutter hub 251 is in rotary state, and filter screen 255 and stationary knife 254 are stationary state, fiber runs in cutter groove 252, at stationary knife 254 with under the rubbing action of cutting knife 253, civilian silk waste silk ruptures and forms broken section, these broken section leaks to feed opening 26 by filter screen 255, again through the entrance 273 of feed opening 26 to discharging mechanism 27, be delivered to after outlet 274 through discharge screw 272, broken waste silk is when the upper shed 311 of feed bin 3 is sent into, fall on roller 36, after the broken section fibre fallen down being carried out extruding dispersion under the rolling of roller 36, fall in hired roughneck 37 again, under hired roughneck 37 acts on, broken section of fiber carries out shredding and after smashing again, drop and sending in screw rod 38, under the helical feed sending on screw rod 38, further pre-homogenize is carried out to fiber, until broken section of fiber after sending on and screw rod 38 falls down, directly drop in conveyor screw 39, again homogenize is carried out under the rotation of conveyor screw 39, when fiber exports from tremie pipe 33, be clean not containing the uniform ground state of dust, broken section of the fiber of this state is directly sent in the twin-screw extruder melt element of feed screw 4 and is carried out melting, article two, the size of screw rod is completely the same, rotating speed is reverse, adopt electrical heating, through being naturally vented, after the improving uniformity of melt of good spinning property can being formed after melting and vacuum draw, this melt first washes net net-changing device 5 through backpulsing, melt enters melt flow channel 1 and melt flow channel 2 563 from entrance 561, and after being filtered by filter screen group 53 after distribution plate 52 distributes, flowed out by the outlet 564 of net-changing device cavity 56 other end, namely normal melt filtration and supply work is completed, then booster pump 6 is started, melt enters through the valve 751 of shell body 75, first enter through melt inlet 721, enter between filter core 73 and urceolus 71 through diffluence pass 722, again after skeleton outer net 731 and filter medium 732 complete filtration, enter in the melt canal 734 of filter stick 733, import through melt canal 734 in upper cover plate 74, and discharge through melt outlet 741, the melt of discharging enters polycondensation unit C through booster pump, under squirrel-cage agitator 81 acts on after polycondensation vessel 8 polycondensation, is stated to the level of primary polyester slice, pelleter 9 blank forms polyester slice.
In use, the main melting screw rod of feed screw 4 adopts two-flight screw, increases nature exhaust outlet, and melting effect is better, screw speed: 300 turns/min, and screw rod end has temperature, pressure monitoring, generally at about 270 DEG C, and pressure 10 kilograms; Backpulsing washes net net-changing device 5 recoil per hour once, and this backpulsing is washed net net-changing device 5 and adopted electrical heating, and backwash efficiency is high, and avoid producing and pause, Increasing Production and Energy Saving, saves production cost; Significantly reduce draping frequency, avoid frequent draping; Melt booster pump 6 adopts electrical heating, and in feeder process, pressure is about 10 kilograms, rotating speed 20 turns/min; In routine use, control melt by valve 751 and enter where organize filtration system, when switching etc. needs, switch another group by valve 751 again, and this group changed can be cleaned, filer element type fondant filter 7 is vertical polyester fondant filter, every 30h switches once, online switching, switches when pressure reaches 60 kilograms, in shell body 75, adopts heating agent to be incubated; Filter core 73 adopts filter stick 733, filters the layer structure of liner 732 and filtration outer net 731 3 layers, filters liner 732 and adopts stainless steel fibre to sinter felt, filter outer net 731 and adopt stainless steel insert net; Polycondensation unit C does not add catalyst, heating medium for heating in course of reaction, and temperature is 260-265 DEG C, time of staying 5-60min, rotating speed 1.8 turns/min.
In the utility model, composition graphs 1, can adopt corresponding 4 screw rods of two cover breakers, after melting, at a thickening, carry out thickening reaction in 8, and like this, define a complete system, uniformity also can improve.Thickening reactor can be increased in polycondensation unit C, so, civilian silk can be reclaimed, inherent viscosity is the civilian silk of 0.67dl/g, and after melting, viscosity is down to about 0.51dl/g, by thickening still 8, viscosity can improve 0.1-0.2, reaches 0.67dl/g even about 0.7dl/g.So just the same with the viscosity of primary section, also expand purposes.And national industrial yarn production capacity only has 1,400,000 tons, and waste silk is at about 30,000 tons, and civilian silk has the production capacity of about 2,000 ten thousand tons, waste silk amount is large, has expanded the object reclaimed; If adopt industrial yarn raw material, after reclaiming, viscosity is 0.7dl/g, after polycondensation, can 0.8-0.9dl/g being reached, can be used for the civilian silk waste silk of nonfood grade bottle sheet through reclaiming, after thickening, viscosity can reach 0.67dl/g, and end carboxyl is that 26-35mol/t, b value is at about 10-12.
Embodiment 2
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: in the structure of crushing mechanism 2, the below of push pedal 23 is provided with baffle plate 28, this baffle plate 28 is arc-shaped structure, upper end and charging aperture 22 contour, lower end is then positioned on shell 21 inwall below push pedal 23, at this baffle plate 28 when not affecting push pedal 23 normal feed, when avoiding push pedal 23 to return, civilian silk waste silk is brought in push pedal 23, both the leakage material phenomenon of civilian silk waste silk had been avoided, reduce cleaning work, simultaneously, in whole shattering process, do not have material to be taken back by push pedal 23, improve its operating efficiency, shell 21 sidewall corresponding to crushing cutter 25 is provided with cover plate 29, and this cover plate 29 can carry out activity dismounting.Crushing cutter 25 is groundwork positions of crushing mechanism 2, when this place there is solid accumulation or work complete need cleaning time, open cover plate 29, can clear up crushing cutter 25.
Embodiment 3
The present embodiment is identical with operation principle with the setting of embodiment 1, and difference is: in the structure of feed bin 3, and each roller 36 is arranged on differing heights in dislocation mode; Hired roughneck 37 is sheet blade structure.
Embodiment 4
The present embodiment is identical with operation principle with the setting of embodiment 1, and difference is: backpulsing is washed in the structure of net net-changing device 5, the outer wall of net-changing device cavity 56 is provided with one deck heating plate 57; Hydraulic cylinder 58 is provided with one, and this hydraulic cylinder 58 is provided with two position bars, the corresponding plunger 51 of each position bar 581.The setting of heating plate 57 guarantees that melt keeps constant temperature in conveying and filter process, and same hydraulic cylinder 58 can control the state of two plungers.
Embodiment 5
The present embodiment is identical with operation principle with the setting of embodiment 1, difference is: in the structure of crushing mechanism 2, the below of push pedal 23 is provided with baffle plate 28, this baffle plate 28 is arc-shaped structure, upper end and charging aperture 22 contour, lower end is then positioned on shell 21 inwall below push pedal 23, at this baffle plate 28 when not affecting push pedal 23 normal feed, when avoiding push pedal 23 to return, civilian silk waste silk is brought in push pedal 23, both the leakage material phenomenon of civilian silk waste silk had been avoided, reduce cleaning work, simultaneously, in whole shattering process, do not have material to be taken back by push pedal 23, improve its operating efficiency, shell 21 sidewall corresponding to crushing cutter 25 is provided with cover plate 29, and this cover plate 29 can carry out activity dismounting.Crushing cutter 25 is groundwork positions of crushing mechanism 2, when this place there is solid accumulation or work complete need cleaning time, open cover plate 29, can clear up crushing cutter 25; In the structure of feed bin 3, each roller 36 is arranged on sustained height; Backpulsing is washed in the structure of net net-changing device 5, the outer wall of net-changing device cavity 56 is provided with one deck heating plate 57; Hydraulic cylinder 58 is provided with one, and this hydraulic cylinder 58 is provided with two position bars, the corresponding plunger 51 of each position bar 581.The setting of heating plate 57 guarantees that melt keeps constant temperature in conveying and filter process, and same hydraulic cylinder 58 can control the state of two plungers.
Above content is the further description done provided technical scheme in conjunction with preferred embodiment of the present utility model; can not assert that the utility model is specifically implemented to be confined to these explanations above-mentioned; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (9)
1. for the fibrous recovery unit of waste silk recycling, it is characterized in that: by the change feeding unit connected in turn, crushing mechanism, feed bin, feed screw, filter element, polycondensation unit and pelletizing unit are formed, described change feeding unit is made up of conveyer belt and the metal detector be arranged on conveyer belt, described crushing mechanism comprises housing, charging aperture, push pedal, mechanical arm, crushing cutter, feed opening and discharging mechanism, charging aperture is arranged at housing upper end, push pedal, mechanical arm, crushing cutter is positioned at enclosure interior, push pedal is installed in inner walls by swing arm, and swing arm and charging aperture contour, crushing cutter is positioned at below charging aperture, feed opening is positioned at below crushing cutter, discharging mechanism is positioned at below feed opening, described filter element washes net net-changing device by backpulsing, booster pump, filer element type fondant filter three part are formed, and booster pump washes net net-changing device with backpulsing respectively, filer element type fondant filter is connected, described polycondensation unit is made up of booster pump, polycondensation vessel and vacuum system, and polycondensation vessel is horizontal, built-in squirrel-cage agitator, described pelletizing unit comprises booster pump and pelleter.
2. as claimed in claim 1 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described crushing cutter comprises cutter hub, stationary knife and filter screen, cutter hub is cylindrical structural, along its outer wall being provided with several cutter grooves, coordinate in cutter groove and cutting knife is installed, and cutting knife outward flange is given prominence to outside cutter hub; Filter screen is semicircular structure, and bag is located at outside cutter hub, and stationary knife has two rows, is arranged at the outward flange at filter screen two ends respectively, and make stationary knife be positioned at above cutter hub, stationary knife coordinates the fragmentation realizing fiber with cutting knife.
3., as claimed in claim 2 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described cutter groove is spirally distributed on cutter hub outer wall, this cutter groove extends to form the little channel-shaped structure of outer imperial palace by cutter hub outer wall to cutter hub axis direction.
4., as claimed in claim 2 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described cutting knife is rhombus, wherein one jiao is positioned at cutter groove, and another angle of correspondence is then given prominence to outside cutter hub.
5. as claimed in claim 1 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described discharging mechanism is made up of shell, discharge screw, entrance and exit, entrance is positioned on shell, and is positioned at immediately below feed opening, and discharge screw is installed in shell.
6. as claimed in claim 1 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described feed bin is made up of the warehouse connected in turn, conical bottom and tremie pipe, warehouse is square column structure, and conical bottom is communicated with warehouse bottom, and tremie pipe is then communicated with conical bottom; Described warehouse top arranges square upper shed, upper shed forms antetheca, rear wall, Zuo Bi and You Bi by warehouse top respectively to downward-extension, antetheca, rear wall are arranged respectively deduster one, deduster two, and antetheca and rear wall extend respectively to both sides and and warehouse to form between dedusting between one and dedusting two, two to be communicated with by manifold trunk between one with dedusting between dedusting, the dust converged with collecting dust-removing device one, deduster two and chip; Warehouse and conical bottom junction have been horizontally disposed with some rollers, arrange and organize hired roughneck more below roller; Tremie pipe is communicated with conical bottom, and tremie pipe and conical bottom junction are provided with and send on screw rod, send on screw rod to be horizontally disposed with, be divided into left section and right section, left section contrary with right section of hand of spiral, send on below screw rod and vertically conveyor screw be installed, and the initiating terminal of conveyor screw be positioned at left section with right section immediately below.
7. as claimed in claim 1 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described backpulsing is washed net net-changing device and comprised plunger, distribution plate, net-changing device cavity and hydraulic cylinder, plunger at one end loads in net-changing device cavity, and the other end is then connected with the position bar of hydraulic cylinder; Plunger sidewall is symmetrically arranged with cavity, is provided with distribution plate, filter screen group and screen retainer from inside to outside successively in cavity, distribution plate is hemispherical dome structure, and its sphere is towards plunger body, and filter screen group is made up of skeleton and meticulous net, and is fixed by screen retainer; Be provided with melt flow channel in described net-changing device cavity, the cavity connects of this melt flow channel and plunger, this melt flow channel runs through net-changing device cavity and arranges, and its one end is entrance, and the other end is outlet; The net-changing device cavity of inlet side is provided with backwash mouth, this backwash mouth can with the cavity connects of plunger; Distribution plate or screen retainer are provided with pressure sensor, and this pressure sensor is connected with hydraulic cylinder, to realize the transmission of pressure signal.
8., as claimed in claim 7 for the fibrous recovery unit of waste silk recycling, it is characterized in that: lower wall is provided with heating plate to described net-changing device cavity.
9. as claimed in claim 1 for the fibrous recovery unit of waste silk recycling, it is characterized in that: described filer element type fondant filter is made up of urceolus, lower cover, filter core, upper cover plate and shell body, filter core is installed between upper cover plate and lower cover, urceolus is then set in after on filter core and loads in shell body, wherein, lower cover sidewall arranges melt inlet, and top arranges multiple diffluence pass in filter core periphery, and each diffluence pass is all communicated with in lower cover with melt inlet; Filter core is made up of filter stick, filter medium and skeleton outer net, filter stick outer wall is provided with multiple aperture, middle part is then provided with melt canal, aperture communicates with melt canal, and bottom the not through filter stick in lower end, melt canal, filter stick top is then run through in upper end, and filter medium bag is located on filter stick, and skeleton outer net is then set up on filter medium; Upper cover plate is provided with melt outlet, and this melt outlet communicates with melt canal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520531917.4U CN204935963U (en) | 2015-07-21 | 2015-07-21 | For the fibrous recovery unit of waste silk recycling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520531917.4U CN204935963U (en) | 2015-07-21 | 2015-07-21 | For the fibrous recovery unit of waste silk recycling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082399A (en) * | 2015-07-21 | 2015-11-25 | 浙江绿宇环保有限公司 | Fiber recovery unit for reusing waste silk |
| CN105603586A (en) * | 2016-03-11 | 2016-05-25 | 吴江飞翔经编纺织有限公司 | Waste fiber filament recycling device for spinning |
| CN107675277A (en) * | 2017-10-20 | 2018-02-09 | 新凤鸣集团股份有限公司 | The recycling equipment and its reuse method of a kind of polyester waste silks |
| CN108556305A (en) * | 2018-04-16 | 2018-09-21 | 浙江绿宇环保股份有限公司 | A kind of filtration system |
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2015
- 2015-07-21 CN CN201520531917.4U patent/CN204935963U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082399A (en) * | 2015-07-21 | 2015-11-25 | 浙江绿宇环保有限公司 | Fiber recovery unit for reusing waste silk |
| CN105082399B (en) * | 2015-07-21 | 2018-03-13 | 浙江绿宇环保股份有限公司 | The fibrous recovery unit recycled for waste silk |
| CN105603586A (en) * | 2016-03-11 | 2016-05-25 | 吴江飞翔经编纺织有限公司 | Waste fiber filament recycling device for spinning |
| CN107675277A (en) * | 2017-10-20 | 2018-02-09 | 新凤鸣集团股份有限公司 | The recycling equipment and its reuse method of a kind of polyester waste silks |
| CN108556305A (en) * | 2018-04-16 | 2018-09-21 | 浙江绿宇环保股份有限公司 | A kind of filtration system |
| CN108556305B (en) * | 2018-04-16 | 2023-09-26 | 浙江绿宇环保有限公司 | Filtering system |
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