CN107268094A - A kind of special gas of spandex fibre wraps up in silk spinning silk device - Google Patents

A kind of special gas of spandex fibre wraps up in silk spinning silk device Download PDF

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Publication number
CN107268094A
CN107268094A CN201710676547.7A CN201710676547A CN107268094A CN 107268094 A CN107268094 A CN 107268094A CN 201710676547 A CN201710676547 A CN 201710676547A CN 107268094 A CN107268094 A CN 107268094A
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China
Prior art keywords
air
spinning
spinneret
tow
silk
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CN201710676547.7A
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Chinese (zh)
Inventor
张所俊
王敏
徐宁
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Zhejiang Huafeng Spandex Co Ltd
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Zhejiang Huafeng Spandex Co Ltd
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Priority to CN201710676547.7A priority Critical patent/CN107268094A/en
Publication of CN107268094A publication Critical patent/CN107268094A/en
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/084Heating filaments, threads or the like, leaving the spinnerettes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

The present invention is that a kind of special gas of spandex fibre wraps up in silk spinning silk device, blowpipe (102.3) in the device supply air system (102) is fixed on blowing device (103) and inserted in the wind chamber (103.1) in blowing device (103), blowing device (103) is arranged at the top of square spinning cylinder (101), component spinneret (104) is arranged in spinneret holder (103.6), component spinneret (104) is located at the top of square spinning cylinder (101), electric heat tracing device (105) is located in square spinning cylinder (101), air-returning device (106) is located at spinning filament mouth (107) top.The wind chamber air quantity of the device is homogeneous, overcomes former hot blast perpendicular to tow direct of travel, causes tow windward side to differ with lee face evaporation rate, tow is in abnormity;Former hot blast is overcome after each column tow heat release, each column tow blowing not first-class defect of temperature;Also overcome the defects such as round path component spinneret low-density arrangement, high energy consumption.

Description

A kind of special gas of spandex fibre wraps up in silk spinning silk device
Technical field
The present invention relates to elastic spandex fiber spinning field, and in particular to is a kind of device for spinning.
Background technology
Spandex stoste is exported by measuring pump, into component spinneret, and spinneret extrusion stoste thread enters spinning shaft, Spinning shaft blows out hot blast, heats hazardous solvent in stoste thread, stoste thread and volatilizees, stoste thread solidify to form spandex thread Beam.
48 head square spinning shafts, the square spinning shaft master disclosed in prior art China patent 200810020520.3 Will be by square tube shape path body, upside inlet air plenum, 48 filament spinning components, upside return air chamber, lower air-returning device, bottom nitrogen envelope curtain dresses Put, filament mouth, tow are constituted.The device hot blast enters square tube shape path body by upside inlet air plenum, and tow is from 48 filament spinning components Square tube shape path body is extruded into, hot blast is side-blown to tow perpendicular to tow direct of travel, its solvent is volatilized rapidly, generation High concentration solvent mixed gas is drawn through upside return air chamber, and remaining hot blast downwards, is drawn along square tube body path from lower air-returning device. The shortcoming of above-mentioned 48 head square spinning shaft includes:
1. hot blast is perpendicular to tow direct of travel, side-blown tow, tow windward side with lee face is heated differs, tow is windward Differ with lee face solvent evaporation rate, cause tow to be in peanut or ellipse in face;
2. square path sets two row spinneret orifices, two row spinneret orifices extrude two row tow, and the hot blast side of certain temperature is blown out, After first row tow heat release, heat temperature decline, then side-blown secondary series tow, cause each column tow evaporating temperature difference, solvent Evaporation rate is different, row have differences with row tow performance;
3. upside inlet air plenum area is big, internal structure is complicated, assembling is difficult, hot blast blowout homogeneity is poor, easily cause and silk Etc. failure.
Circular corridor for spinning of urethane elastic fiber, the circular spandex fiber disclosed in the prior art China patent No. 200510041146.1 Path is main by cylindrical shape path body, spinneret component, annular hair-dryer, circular air inlet rectifier, annular return air rectifier, heat Wind inlet, hot gas flow export and tow composition, spinning pack is set to be arranged at cylinder path crown center, annular hair-dryer Spinneret component periphery at the top of the body of cylindrical shape path.The shortcoming of above-mentioned circular corridor for spinning of urethane elastic fiber includes:
1. individual pen annular hair-dryer spinneret component periphery, spinneret component in the middle of path, inner ring spinneret component The surface of the outer ring of tow of extrusion directly contacts the hot blast of outer-ring ventilation device blowout, causes tow inner and outer ring surface evaporation temperature Differ, solvent evaporation rate differs, performance is not good;
2. annular hair-dryer in spinneret periphery, cause spinneret component arrangement can only individual pen, maximum height limit density spinning The development of technology.
Cylindrical shape path in a kind of spinning shaft system disclosed in the prior art China patent No. 201510572843.3, should Cylindrical shape path is main by cylindrical shape path body, main return air mechanism, secondary return air mechanism, bottom return air mechanism, top air-inlet cavity, air intake Guan Zhengliu mechanisms, spinneret component, the composition such as ring, equivalent pressure cavity under ring, wind-guiding on wind-guiding.The Zheng Liu mechanisms work when, hot blast from Blast pipe is directly entered top air-inlet cavity, side-blown to spinning shaft center, and hot blast passes through multiple row spinneret component, so that spandex Solvent on tow is quickly effectively waved, and it is downward that the positive regular air-flow of flow changes flow direction.The shortcoming in above-mentioned cylindrical shape path includes:
1. hot blast is perpendicular to tow direct of travel, side-blown tow, tow windward side with lee face is heated differs, tow is same Section internal solvent evaporation rate differs, causes tow to be in peanut or ellipse;
2. two circles or three circle spinneret components, hot blast side blowout, after the heating of the first coil assembly tow, hot blast temperature are set Degree declines, then side-blown second circle, the 3rd circle tow, cause that every circle tow evaporating temperature is different, solvent evaporation rate is different, circle with Circle tow performance has differences;
Flowed to 3. hot blast is changed by positive flow, easily cause flow perturbation, form the simultaneously failure such as silk.
The content of the invention
Technical problem:Present invention aims to overcome that defect and deficiency mentioned above, and it is special to provide a kind of spandex fibre Gas wraps up in silk spinning silk device.The wind chamber air quantity of the device is homogeneous, overcomes former hot blast perpendicular to tow direct of travel, causes Tow windward side is differed with lee face evaporation rate, tow is in abnormity;Former hot blast is overcome after each column tow heat release, each column The tow blowing not first-class defect of temperature;Also overcome the defects such as round path component spinneret low-density arrangement, high energy consumption.
Technical scheme:In order to solve the above technical problems, a kind of special gas of spandex fibre of the present invention wraps up in silk spinning silk device Including square spinning cylinder, supply air system, blowing device, component spinneret, electric heat tracing device, air-returning device, spinning filament mouth; Blowpipe in supply air system is fixed on blowing device and inserted in the wind chamber in blowing device, and blowing device is arranged on At the top of square spinning cylinder, component spinneret is arranged in spinneret holder, and component spinneret is located at the top of square spinning cylinder, Electric heat tracing device is located in square spinning cylinder, and air-returning device is located at spinning filament mouth top.
Described supply air system has many sets, and each of which set includes header pipe and the header pipe distributes multichannel air-supply Branch pipe pipeline, each blowpipe pipeline include air-supply regulating valve, with blow regulating valve be connected blowpipe, respectively with air-supply Many distribution pipes of branch pipe connection, the exhaust vent exported positioned at distribution pipe lower end and the distribution pipe envelope exported positioned at exhaust vent lower end Head, blast detection valve is located on blowpipe.
Hot blast sends into wherein one blowpipe by header pipe and distributes to three distribution pipes, and every distribution pipe is by dividing Pipe arrangement exhaust vent is by annular air blower wind chamber outside hot blast feeding unit spinneret, described blowpipe pipeline preferably 20 ~40 sets.
Described blowing device has multigroup, and it is many that every group of blowing device includes wind chamber, homogenating plate, air-supply pressure stabilizing chamber, annular Hole exhausting plate, air-supply housing, spinneret holder;Homogenating plate, pressure stabilizing chamber, annular porous exhausting plate constitute an annular entirely through spiral shell Line rotation is fixed between air-supply housing and spinneret base.
Preferably 60~120 groups of described blowing device.
Described component spinneret has multiple row, preferably 3~6 row, each column spinneret number 30~40.
Described electric heat tracing device has multistage, and quantity is 2~8 sections, and every section all can independent temperature control.
Described air-returning device has a multiple tracks, preferably 4~5 roads and per pass return air inlet device is by the isobaric air inducing of four air-vents.
Described many sets air-supply pipe-line system includes header pipe one and header pipe distributes many set blowpipe pipes Road.Often set blowpipe pipeline includes air-supply regulating valve, blowpipe one, distribution pipe three, blast detection valve, every distribution Pipe is constituted with exhaust vent and end socket.Hot blast sends into wherein one blowpipe by header pipe, and blowpipe divides hot blast Three distribution pipes of dispensing, every distribution pipe enters annular outside each self-corresponding monolithic element spinneret by distribution pipe exhaust vent and blown In wind apparatus wind chamber, ensure that every blowpipe flow is homogeneous and detects that valve is examined by blast by regulation valve regulation of blowing Survey every blowpipe pressure.Preferably 20~40 sets of blowpipe pipeline;
Described multigroup blowing device is arranged at the top of square spinning cylinder, and every group includes air-supply body, wind chamber, equal wind Plate, pressure stabilizing chamber, annular porous exhausting plate composition.Every group of blowing device is wrapped in a block assembly spinneret, and hot blast enters every group of wind The equal wind of chamber, into blowing pressure stabilizing chamber voltage stabilizing and through annular porous exhausting plate blow out hot blast, circular hot air be wrapped in spinneret squeeze The tow gone out, flows together along tow direct of travel, and hot blast, which is wrapped in tow, ensures that be heated homogeneous, solvent of the same section of tow steams Hair speed is homogeneous, tow is rounded, index is homogeneous.Preferably 60~120 groups of blowing device.
Described blowing device is arranged at the top of square spinning cylinder, and annular porous exhausting plate corresponds the spray per block assembly Filament plate, it is ensured that the tow of every piece of spinneret extrusion is all wrapped in by single circular hot air, reduces tow shake, improves and can spin Property.
Described blowing device is arranged at the top of square spinning cylinder, and annular porous exhausting plate corresponds the spray per block assembly Filament plate, it is ensured that the tow of every piece of spinneret extrusion is all wrapped in by single circular hot air, tow evaporation is homogeneous, ensure component sprays Filament plate row are not limited by temperature uniformity, realize the breakthrough of high density spining technology.
Described multiple row component spinneret, multiple row spinneret can be set according to square spinning cylinder top opening size, height is realized Density spinning, each column spinneret equidistantly misplace arrangement, it is ensured that multiple rows of tow tow when filament mouth converges a row is equidistant.Component sprays The row of filament plate preferably 3~6, each column spinneret number 30~40.
Described multistage electric heat tracing device, can require to set the different temperature control of multistage according to spinning technique, preferably 2~8 sections, make Spinning cylinder body outer wall holding temperature is consistent with air themperature gradient in spinning cylinder, it is ensured that spinning technique is controllable.
Described middle and lower part multiple tracks air-returning device, using multiple tracks return air, preferably 4~5 roads, reduces centralized return air system, reduces back Wind is disturbed to spinning cylinder interior air-flow, meanwhile, every group of road air-returning device sets four return air inlets, it is ensured that the side return air of spinning cylinder four It is homogeneous.
Beneficial effect:The invention has the advantages that structure is novel, using the air-supply branch road that set can be separately adjustable more, it is ensured that feeding Every group of wind chamber air quantity is homogeneous, it is ensured that corresponding annular porous exhausting plate blowing is homogeneous;Using multigroup blowing device, hot blast is blown out It is wrapped in the tow of each piece of spinneret extrusion of correspondence, it is ensured that it is homogeneous that tow evaporates homogeneous, performance.Break reason a blast of hot air straight Connect and blow to multi-filament beam;Former hot blast is overcome perpendicular to tow direct of travel, tow windward side and lee face evaporation rate is caused Differ, tow is in abnormity;Former hot blast is overcome after each column tow heat release, each column tow blowing not first-class defect of temperature; Overcome the defects such as round path component spinneret low-density arrangement, high energy consumption.
Brief description of the drawings
Fig. 1 is that a kind of special gas of spandex fibre of the invention wraps up in yarn spinning apparatus structure schematic diagram;
Fig. 2 is the schematic diagram of Fig. 1 supply air system blowing device structures;
Fig. 3 is the schematic diagram that Fig. 2 looks up graph structure;
Fig. 4 is the schematic diagram that Fig. 2 overlooks graph structure.
Including:
It is square spinning cylinder 101, many set supply air systems 102, multigroup blowing device 103, multiple row component spinneret 104, many Section electric heat tracing device 105, multiple tracks air-returning device 106, spinning filament mouth 107, tow 108.
Header pipe 102.1, air-supply regulating valve 102.2, blowpipe 102.3, distribution pipe 102.4, blast detection valve 102.5th, exhaust vent 102.6, distribution channel closure 102.7;
Wind chamber 103.1, homogenating plate 103.2, air-supply pressure stabilizing chamber 103.3, annular porous exhausting plate 103.4, air-supply housing 103.5, spinneret holder 103.6.
Embodiment
The present invention is using the air-supply branch road that set can be separately adjustable more, it is ensured that every group of wind chamber air quantity of feeding is homogeneous, it is ensured that every Individual annular porous exhausting plate blowing is homogeneous;The present invention uses multigroup blowing device, and the hot blast of every group of blowing device blowout is all wrapped up The tow of each piece of spinneret extrusion of correspondence, it is ensured that it is homogeneous that tow evaporates homogeneous, performance.Specifically:Hot blast passes through air-supply System distributes hot blast equivalent into respective blowing device wind pushing cavity, each independent multigroup blowing device wind pushing cavity by hot blast again Hot blast is blown out by the annular porous exhausting plate being each independently of the others, every group of separate annular porous exhausting plate is wrapped in respectively Corresponding component spinneret, the annular per the tow of block assembly spinneret extrusion, all wrapped up in respectively outside component spinneret itself is more The hot blast of hole exhausting plate blowout is wrapped in, and hot blast is moved in square spinning cylinder along tow direct of travel together with tow, is contained There is the solvent hot blast volatilized to be drawn according to technique by different proportion from middle and lower part multiple tracks air-returning device, tow is made in coiler device Go out under from device for spinning filament mouth drawing-off.The external multistage electric heat tracing device of spinning shaft, can require to set according to spinning technique Multistage difference temperature control, make spinning cylinder body outer wall insulation it is consistent with hot blast temperature gradient in spinning cylinder, it is ensured that spinning technique is controllable. The present invention effectively overcomes hot blast perpendicular to multiple row tow direct of travel, causes single-row tow windward side to be volatilized with lee face solvent Speed differs, tow is in abnormity;Hot blast is after each row tow, temperature drop, cause multiple row tow each column tow blowing hot wind Temperature differs, the not first-class defect of performance;It is high that the present invention also effectively overcomes outer annular air blower evaporation rate on the outside of tow On the inside of tow, evaporation heterogeneity, component spinneret low-density arrangement, high energy consumption defect are also overcomed.
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of special gas of spandex fibre of the present invention wraps up in silk spinning silk device, and the device includes square spinning cylinder 101, many Cover supply air system 102, multigroup blowing device 103, multiple row component spinneret 104, multistage electric heat tracing device 105, multiple tracks return air dress Put 106, spinning filament mouth 107, tow 108.
Described many set supply air systems 102, many set blowpipes are distributed by a header pipe 102.1 and header pipe Pipeline is constituted.Often set blowpipe pipeline includes air-supply regulating valve 102.2, blowpipe 102.3, three distribution pipes 102.4th, blast detection valve 102.5, exhaust vent 102.6, distribution channel closure 102.7 are constituted.Supply air system 102 is arranged on blowing dress 103 tops are put, blowpipe 102.3 is fixed on blowing device 103 and inserted in blowing device 103 in wind chamber;Hot blast leads to Cross header pipe 102.1 and send into wherein one blowpipe 102.3 and distribute to three distribution pipes 102.4, every distribution pipe 102.4 By distribution pipe exhaust vent 102.6 by the wind chamber of annular air blower 103 outside hot blast feeding unit spinneret, according to production, Preferably 20~40 sets of blowpipe pipeline;
Described multigroup blowing device 103, every group of blowing device 103 is steady by wind chamber 103.1, homogenating plate 103.2, air-supply Pressure chamber 103.3, annular porous exhausting plate 103.4, air-supply housing 103.5, spinneret holder 103.6 are constituted.It is homogenating plate 103.2, steady Pressure chamber 103.3, annular porous exhausting plate 103.4 constitute annular and are fixed on air-supply housing 103.5 entirely through the rotation of screw thread 103.7 With in spinneret base 103.6.Blowing device 103 is arranged on the square top of spinning cylinder 101, and component spinneret 104 is arranged on In spinneret holder 103.6, annular parcel is corresponding per block assembly spinneret alone respectively for each annular porous exhausting plate 103.4, According to production, preferably 60~120 groups of blowing device.
Described multiple row component spinneret 104, can be set according to square path top opening size multiple row spinneret, realize it is highly dense Degree spinning, each column spinneret equidistantly misplace arrangement, it is ensured that multiple rows of tow tow when filament mouth converges a row is equidistant.According to life Production, the row of component spinneret preferably 3~6, each column spinneret number 30~40.
Described multistage electric heat tracing device 105, can require to set the different temperature controls of multistage, preferably 2~8 according to spinning technique Section, make spinning cylinder body outer wall holding temperature consistent with air themperature gradient in spinning cylinder, it is ensured that spinning technique is controllable.
Described middle and lower part multiple tracks air-returning device 106, using multiple tracks return air, preferably 4~5 roads, reduces centralized return air system, reduces Return air is disturbed to path interior air-flow, meanwhile, every group of road air-returning device sets four return air inlets, it is ensured that the side return air of spinning cylinder four is equal One.
Described tow 108 is by the center of component spinneret 104 extrusion in spinneret holder 103.6;Specific work It is as process:It is many that hot blast equivalent is distributed into blowing device 103 multigroup separate annular by hot blast by supply air system 102 Hole exhausting plate blowout hot blast, every piece of separate annular porous exhausting plate is respectively around corresponding component spinneret 104, every piece The tow 108 of the extrusion of component spinneret 104, the heat all blown out respectively by the respective annular porous exhausting plate of component spinneret 104 Wind is wrapped in, and hot blast is moved in square spinning cylinder 101 along the direct of travel of tow 108 together with tow 108, containing volatilizing Solvent hot blast drawn according to technique by different proportion from middle and lower part multiple tracks air-returning device 106, tow coiler device effect under Go out from the drawing-off of device for spinning filament mouth 107.The external multistage electric heat tracing device 105 of spinning cylinder, can set according to spinning technique requirement Put the different temperature controls of multistage, make the insulation of spinning cylinder body outer wall consistent with hot blast temperature gradient in spinning cylinder, it is ensured that spinning technique can Control.Prior art hot blast effectively is overcome perpendicular to multiple row tow direct of travel, causes single-row tow windward side and lee face molten Agent evaporation rate differs, tow is in abnormity;Hot blast is after each row tow, temperature drop, cause multiple row tow each column tow Hot blow air temperature differs, the not first-class defect of performance.

Claims (6)

1. a kind of special gas of spandex fibre wraps up in silk spinning silk device, it is characterised in that the device includes square spinning cylinder (101), supply air system (102), blowing device (103), component spinneret (104), electric heat tracing device (105), air-returning device (106), spinning filament mouth (107);Blowpipe (102.3) in supply air system (102) is fixed on blowing device (103) simultaneously Insert in the wind chamber (103.1) in blowing device (103), blowing device (103) is arranged on square spinning cylinder (101) top Portion, component spinneret (104) is arranged in spinneret holder (103.6), and component spinneret (104) is located at square spinning cylinder (101) top, electric heat tracing device (105) is located in square spinning cylinder (101), and air-returning device (106) is located at spinning wire vent Mouth (107) top.
2. a kind of special gas of spandex fibre according to claim 1 wraps up in silk spinning silk device, it is characterised in that described send Wind system (102) has many sets, and each of which set includes header pipe (102.1) and the header pipe distributes multichannel blowpipe Pipeline, each blowpipe pipeline includes air-supply regulating valve (102.2), the blowpipe being connected with air-supply regulating valve (102.2) (102.3) many distribution pipes (102.4), being connected respectively with blowpipe (102.3), bring out under distribution pipe (102.4) The exhaust vent (102.6) of mouth and the distribution channel closure (102.7) exported positioned at exhaust vent (102.6) lower end, blast detection valve (102.5) it is located on blowpipe (102.3).
3. a kind of special gas of spandex fibre according to claim 1 wraps up in silk spinning silk device, it is characterised in that described blows Wind apparatus (103) has multigroup, and every group of blowing device (103) includes wind chamber (103.1), homogenating plate (103.2), air-supply pressure stabilizing chamber (103.3), annular porous exhausting plate (103.4), air-supply housing (103.5), spinneret holder (103.6);Homogenating plate (103.2), Pressure stabilizing chamber (103.3), annular porous exhausting plate (103.4) constitute an annular and are fixed on entirely through screw thread (103.7) rotation Blow between housing (103.5) and spinneret base (103.6).
4. a kind of spandex fibre special gas according to claim 1 wraps up in the device for spinning of silk, it is characterised in that described group Part spinneret (104) has multiple row, preferably 3~6 row, each column spinneret number 30~40.
5. a kind of spandex fibre special gas according to claim 1 wraps up in the device for spinning of silk, it is characterised in that described electricity Heating device (105) has multistage, and quantity is 2~8 sections, and every section all can independent temperature control.
6. a kind of spandex fibre special gas according to claim 1 wraps up in the device for spinning of silk, it is characterised in that described returns Wind apparatus (106) has a multiple tracks, preferably 4~5 roads and per pass return air inlet device is by the isobaric air inducing of four air-vents.
CN201710676547.7A 2017-08-09 2017-08-09 A kind of special gas of spandex fibre wraps up in silk spinning silk device Pending CN107268094A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114775074A (en) * 2022-03-29 2022-07-22 东华大学 Uniform and continuous hybrid gel filament forming equipment

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CN204918862U (en) * 2015-09-16 2015-12-30 江阴中绿化纤工艺技术有限公司 Square presss from both sides cover spandex spinning corridor
CN105350101A (en) * 2015-12-04 2016-02-24 浙江古纤道新材料股份有限公司 High-strength-type high-modulus low-shrinkage polyester industrial fiber and processing technology thereof
CN205676564U (en) * 2016-06-13 2016-11-09 新昌县卓远纺织有限公司 A kind of spinning-drawing machine air-flow constant temperature circulating system
CN205783529U (en) * 2016-06-20 2016-12-07 中铁第四勘察设计院集团有限公司 Large space Dynamic Thermal detection variable air rate supply air system
CN207159431U (en) * 2017-08-09 2018-03-30 浙江华峰氨纶股份有限公司 A kind of special gas of spandex fibre wraps up in silk spinning silk device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114775074A (en) * 2022-03-29 2022-07-22 东华大学 Uniform and continuous hybrid gel filament forming equipment
CN114775074B (en) * 2022-03-29 2023-07-04 东华大学 Uniform and continuous hybrid gel filament forming equipment

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Address after: No. 1788, Dongshan Economic Development Zone, Ruian, Wenzhou, Zhejiang, 326200

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Application publication date: 20171020