CN200964456Y - Device for preparing fusion spinning fire resistant special type elastic spandex fiber - Google Patents
Device for preparing fusion spinning fire resistant special type elastic spandex fiber Download PDFInfo
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- CN200964456Y CN200964456Y CN 200620077076 CN200620077076U CN200964456Y CN 200964456 Y CN200964456 Y CN 200964456Y CN 200620077076 CN200620077076 CN 200620077076 CN 200620077076 U CN200620077076 U CN 200620077076U CN 200964456 Y CN200964456 Y CN 200964456Y
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Abstract
The utility model is a production equipment for melt-extrusion and direct spinning high-temperature resistance special elastic spandex fiber, the structure is that the first and the third purification pots are provided with the first and the fourth material-feeding valves, and the first purification pot is connected with the second high-speed mixer together with the third purification pot through the first reaction pot; the output pipe of the second high-speed mixer is connected in series with the twin screw extruder, the conveying pump, the melt filter and the first input pipe of the dynamic mixer; the additive pot is connected with the second input pipe of the dynamic mixer; the output pipe of the dynamic mixer is connected in series with the spinning conveying-pump, the spinning general pump, the spinning branch-pump and the spinning box, each spinning box is correspondingly provided with two sets of air duct boxes, and the spandex filament of each air duct box is correspondingly connected with the lower and upper guide rollers of the guide roller, and the upper guide roller is connected with the winding end. The utility model has the advantages of low production cost, heat resistance, and hot-water resistance, high elastic recovery and high extension rate, the fiber uniformity of the utility model is improved, and the utility model can be widely used in all technical fields.
Description
Technical field
The utility model relates to the production equipment of fusion spinning fire resistant special type elastic spandex fiber, belong to melt spun spandex spining technology field.
Background technology
Spandex formal name used at school<POLYUTETHANE〉fiber, be a kind of spandex of development in recent years, be also referred to as: Si Pandesi<SPANDEX fiber, PTMG accounts for 80% (quality molecules) of final polymer, is described as people's " second skin ".Generally adopt both at home and abroad at present: chemical method spins, wet method is spun, dry method is spun, more than these three kinds of spinning process all can produce environmental pollution aborning, complex process, energy consumption is big, floor space is many, investment is big, cost is high, and the elasticity spandex fibre silk of producing contains harmful material.Known manufacturing thermoplasticity elastic spandex fiber, fusion slice spinning etc., because its producing cost height of elastomer that the fusion slice spinning obtains, energy resource consumption is big, heat resistance, hot water resistance, elastic recovery etc. are all unsatisfactory.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned existence, propose a kind ofly can effectively overcome the existing in prior technology contaminated environment, the production equipment of the fusion spinning fire resistant special type elastic spandex fiber of defectives such as complex process, energy consumption is big, floor space is many, investment is big, cost height.Thoroughly solve the adverse consequences that is produced in the above-mentioned production spandex fibre silk process, produce the fibre-grade elasticity spandex silk of environmental type.
Technical solution of the present utility model: the production equipment of fusion spinning fire resistant special type elastic spandex fiber, its structure is first to purify jar, the 3rd be respectively equipped with the first reinforced valve, the 4th reinforced valve on purifying jar, first efferent duct of purifying jar connects the input pipe of first reaction tube, and the efferent duct of the 3rd purification jar and the input pipe of second retort join; The efferent duct of the efferent duct of first reaction tube, second retort joins by first input pipe, second input pipe of the 3rd metering conveying pump, the 4th metering conveying pump and second super mixer respectively; The efferent duct of second super mixer is connected in series with double screw extruder, delivery pump, fondant filter, and first efferent duct of fondant filter connects the input pipe of making material conveying pump and joins, the processing section; Second efferent duct of fondant filter is connected in series with first input pipe of the 6th metering conveying pump and dynamic mixer; Additive tank is provided with nitrogen valve, and the efferent duct of additive tank joins by second input pipe of the 5th metering conveying pump and dynamic mixer; The efferent duct of dynamic mixer is connected in series with spinning delivery pump, spinning master cylinder, spinning wheel cylinder and manifold, every cover manifold correspondence is provided with two cover air channel casees, spandex silk correspondence in the case of every cover air channel is connected on the following godet roller of godet roller, the last godet roller, the spandex wire connection winding head on the last godet roller.
Advantage of the present utility model: producing cost is low, it is 1/2 of section molten spinning method of the prior art, energy consumption is 2/3 of a section molten spinning method, heat resistance improves more than 15% than section molten spinning method, hot water resistance has improved 24% than section molten spinning method, and elastic recovery has improved 8% than section molten spinning method, and percentage elongation has improved 12% than section molten spinning method, the uniformity of fiber is improved, and the time spent can keep above-mentioned premium properties.Stability, heat resistance, hot water resistance, elastic recovery, percentage elongation and the uniformity of thermoplastic fusion directly being spun the spinning of elasticity spandex fibre all improve a lot, because their good characteristic is widely used in various fields.
Description of drawings
Accompanying drawing 1 is the structured flowchart of fusion spinning fire resistant special type elastic spandex fiber production equipment.
Accompanying drawing 2 is structural representations of fusion spinning fire resistant special type elastic spandex fiber production equipment.
Among the figure 1 is that conduction oil goes out, the 2nd, conduction oil advances, 3 is first purification jars, 4 is second purification jars, 5 is the 3rd purification jars, 6 is first cooling tanks, 7 is second cooling tanks, 8 is the 3rd cooling tanks, 9 is first reaction storage tanks, 10 is second reaction storage tanks, 11 is first retort, 12 is second reinforced valves, 13 is first reinforced valves, 14 is the 3rd reinforced valves, the 15th, liquid-level switch, 16 is first to vacuumize, 17 is second to vacuumize, 18 is the 3rd to vacuumize, the 19th, pneumatics gas, the 20th, the carrene cleaning of evaporator, 21 is first super mixers, 22 is second super mixers, the 23rd, dynamic mixer, the 24th, measuring pump, the 25th, nitrogen valve, 26 is first pressure sensors, the 27th, delivery pump, the 28th, fondant filter, 29 is second pressure sensors, 30 is the 3rd pressure sensors, the 31st, additive tank, the 32nd, manifold, the 33rd, pipeline, the 34th, the spinning delivery pump, the 35th, the air channel, the 36th, the spandex silk, the 37th, wind direction, the 38th, godet roller, the 39th, winding head, the 40th, cooling water goes out, the 41st, nitrogen, 42 is second retort, the 43rd, temperature measuring equipment, the 44th, double screw extruder, the 45th, lubricating system, the 46th, cooling system, the 47th, vacuum system, 48 is first metering conveying pumps, 49 is second metering conveying pumps, 50 is the 3rd metering conveying pumps, 51 is the 4th metering conveying pumps, 52 is the 5th metering conveying pumps, 53 is the 4th charging valves, 54 is the 6th metering conveying pumps, the 55th, the spinning master cylinder, the 56th, the spinning wheel cylinder.
The specific embodiment
Described first purified for jar the 3, the 3rd corresponding the joining of input pipe of purifying valve that jars 5 efferent duct also can be by separately and first cooling tank 6 and the 3rd cooling tank 8, and the efferent duct of first cooling tank 6 connects first input pipe of first super mixer 21 by first metering conveying pump 48; The efferent duct of first super mixer 21 connects the input pipe of the first reaction storage tank 9, the efferent duct of the first reaction storage tank 9 connects the input pipe of first retort 11, and the efferent duct of first retort 11 joins by first input pipe of the 3rd metering conveying pump 50 and second super mixer 22; The 3rd purification jar 5 input pipes by valve and the 3rd cooling tank 8 join, and the input pipe of the efferent duct of the 3rd cooling tank 8 and second retort 42 joins; The efferent duct of second retort 42 joins by second input pipe of the 4th metering conveying pump 51 and second super mixer 22;
The described first purification jar 3 also can and connect the second purification jar 4, on the second purification jar 4, establish the second reinforced valve 12, second purifies jars 4 is connected in series with second cooling tank 7, second metering conveying pump 49, and the efferent duct of second metering conveying pump 49 connects second input pipe of first super mixer 21.
This equipment also is provided with reactor switch board, double screw extruder switch board, manifold switch board, coiling switch board.Wherein reactor switch board connection first purification jar 3, second purification jar the 4, the 3rd purification jar 5, first cooling tank 6, second cooling tank 7, the 3rd cooling tank 8, the first reaction storage tank 9, second react the rotating speed of storage tank 10, first retort 11, second retort 42, first super mixer 21, second super mixer 22, first metering conveying pump 48, second metering conveying pump 49, the 3rd metering conveying pump 50, the 4th metering conveying pump 51, and in order to the temperature of controlling them and stirring, rotating speed, frequency.
The double screw extruder switch board connects delivery pump 27, cooling and vacuum system, granulating system, and in order to control extruder electrical heating temperature, extruder rotating speed.
The manifold switch board connects the 5th metering conveying pump 52, spinning delivery pump 34 and spinning manifold, the dynamic mixer of the 6th metering conveying pump 54, spinning master cylinder 55, spinning wheel cylinder 56, additive part, and in order to control their temperature, pressure.
The coiling switch board is in order to spinning speed, up-coiler and the oil tanker of control godet roller.
Embodiment 1, divides two groups, and every group of mixed material 100Kg gets polyester polyol (model PBA-44) 62Kg, 75Kg by proportioning, isocyanates (model MDI) 30Kg, 20Kg, butanediol (model BDO-1,4) 8Kg, 5Kg.
Negative pressure feeding: be evacuated to and bear 1 kilogram of pressure, by in the first reinforced valve 13 addings first purification jar 3, isocyanates adds in the 3rd purification jar 5 by the 4th charging valve 53 with polyester polyol, butanediol;
To heat-conducting oil heating, make first purification jar 3 interior raw materials be heated to 90 ℃, vacuum was purified 0.5 hour; The 3rd purification jar 5 interior raw materials are heated to 70 ℃; Vacuum was purified 0.5 hour, added 1 kilogram of pressure after the end of purifying;
Metering, mix, reaction: first raw materials of purifying in jars 3 send second retort 42 through purify raw materials in jars 5 of heating, pressurization back direct sending first retort 11, the three through heating, after pressurizeing; Material insulation in first retort 11 is at 80 ℃; Material insulation in second retort 42 is at 50 ℃; The material of first retort 11 and second retort 42 is delivered to second super mixer 22 through the 3rd metering conveying pump 50, the 4th metering conveying pump 51 delicate meterings respectively to be mixed fully;
Extrude: undertaken sending into after secondary fully mixes by second super mixer 22 and carry out the continuous bulk melt polymerization in the double screw extruder 44,25 kilograms of the pressure in the double screw extruder 44, temperature is controlled at 180 ℃, 60 rev/mins of rotating speeds; The material that double screw extruder 44 is extruded in delivery pump 27 is sent into fondant filter 28,180 ℃ of the temperature in the fondant filter 28;
Melt mixed, spinning: the polyisocyanates that in additive tank 31, adds 11Kg earlier.Material is carried to incorporate into by the 5th metering conveying pump 52 positive battery meterings by the polyisocyanates of delivery pump positive battery metering conveying in additive tank 31 and is carried out the melt high-speed mixing in the dynamic mixer 23 in the fondant filter 28, mix after 34 meterings of spinning delivery pump, and be delivered to each spinning master cylinder 55 through pipeline, enter in the manifold through spinning wheel cylinder 56 again, 180 ℃ of spinning the temperature inside the box, every cover manifold 32 correspondences are provided with two cover air channel casees 35, spandex silk 36 correspondences in the case of every cover air channel are connected to the following godet roller of the godet roller 38 in the lead group of motors, on the last godet roller, spandex silk 36 on the last godet roller is reeled by winding head 39, a slaking that falls, vanning again after sampling Detection is qualified.
Negative pressure feeding: be evacuated to negative 1 kilogram of pressure, polyester polyol, butanediol are added first by first reinforced valve 13, the second reinforced valve 12 respectively purifies and jar 3, second purifies in jars 4, isocyanates adds in the 3rd purification jar 5 by the 4th charging valve 53, and polyether polyol adds the first purification jar by the first reinforced valve;
To heat-conducting oil heating, make first purification jar 3, second a purification jar 4 be heated to 100 ℃, vacuum was purified 1 hour; The 3rd purification jar 5 is heated to 80 ℃; Vacuum was purified 1 hour, purification adds 1 kilogram of nitrogen pressure after finishing, raw material in first purification jar 3, second purification jar the 4, the 3rd purification jar 5 correspondence respectively is depressed in first cooling tank 6, second cooling tank 7, the 3rd cooling tank 8, the temperature of first cooling tank 6, second cooling tank 7 is cooled to 55 ℃, insulation was protected nitrogen pressure one hour, the temperature of the 3rd cooling tank 8 is cooled to 50 ℃, and insulation was protected nitrogen pressure one hour;
Metering, mixing, reaction: after heating, pressurization, cooling, first cooling tank 6, second cooling tank, 7 interior raw materials enter super mixer 21 by first metering conveying pump 48, second metering conveying pump 49 respectively; Enter the first reaction storage tank 9 and the second reaction storage tank 10 after the mixing, 70 ℃ of degassing insulations, prepolymerization in 3 hours, two jars are used alternatingly; Deliver to first retort 11 then, insulation is at 80 ℃; Raw material in the 3rd cooling tank 8 is delivered to second retort 42, and insulation is at 55 ℃; The material of first retort 11 and second retort 42 mixes fully through the 3rd metering conveying pump 50, the 4th metering conveying pump 51 delicate metering delivery pump to the second super mixers 22 respectively;
Extrude: carry out the continuous bulk melt polymerization in the double screw extruder 44 by sending into after the second time, super mixer 22 fully mixed, 75 kilograms of the pressure in the double screw extruder 44, temperature is controlled at 220 ℃, 100 rev/mins of rotating speeds; The material that double screw extruder 44 is extruded in delivery pump 27 is sent into fondant filter 28,220 ℃ of the temperature in the fondant filter 28;
Melt mixed, spinning: add additive polyisocyanates 10Kg in the first additive tank 31, material is carried polyisocyanates 1 with additive tank 31 in to incorporate dynamic mixer 23 into by the conveying of the 5th metering conveying pump 52 positive battery meterings by the delivery pump positive battery metering to carry out the melt high-speed mixing in fondant filter 28, mix after 34 meterings of spinning delivery pump, and after being delivered to each spinning manifold master cylinder 55, pipeline enters in the manifold through spinning wheel cylinder 56 again, 220 ℃ of spinning the temperature inside the box, every cover manifold 32 correspondences are provided with two cover air channel casees 35, spandex silk 36 correspondences in the case of every cover air channel are connected to the following godet roller of the godet roller 38 in the lead group of motors, on the last godet roller, spandex silk 36 on the last godet roller is reeled by winding head 39, a slaking that falls, vanning again after sampling Detection is qualified.
Effect: the method has realized the purpose that spandex directly spins, and has reduced intermediate link, reduces cost, and has reached zero disposal of pollutants.
The product main performance index:
Project unit's technical indicator
Intensity CN/dtex 1.00-1.50
Elongation % 450-550
Elastic recovery rate % 92-96
Heat resistance (2mch) ℃ 150
Boiling water shrinkage (60mm) % 84
Use effectiveness: solved that existing dry spinning, wet spinning, chemical reaction spinning and chemical reaction spin that in its spinning process environmental pollution is big, complex process, problem that cost is high; Simultaneously, also solved the problem of fusion slice spinning product non-refractory and hot water resistance difference.
Claims (3)
1, the production equipment of fusion spinning fire resistant special type elastic spandex fiber, it is characterized in that first purifying jar, the 3rd be respectively equipped with the first reinforced valve, the 4th reinforced valve on purifying jar, first efferent duct of purifying jar connects the input pipe of first retort, the efferent duct of the 3rd purification jar and the input pipe of second retort join, and the efferent duct of the efferent duct of first retort, second retort joins by first input pipe, second input pipe of the 3rd metering conveying pump, the 4th metering conveying pump and second super mixer respectively; The efferent duct of second super mixer is connected in series with the input pipe of double screw extruder, delivery pump, fondant filter; First efferent duct of fondant filter connects the input pipe of making material conveying pump; Second efferent duct of fondant filter joins by first input pipe of the 6th metering conveying pump and dynamic mixer; Additive tank is provided with nitrogen valve, and the efferent duct of additive tank joins by second input pipe of the 5th metering conveying pump and dynamic mixer; The efferent duct of dynamic mixer is connected in series with spinning delivery pump, spinning master cylinder, spinning wheel cylinder and manifold, every cover manifold correspondence is provided with two cover air channel casees, spandex silk correspondence in the case of every cover air channel is connected on the following godet roller of godet roller, the last godet roller, and last godet roller connects winding head.
2, the production equipment of fusion spinning fire resistant special type elastic spandex fiber according to claim 1, the valve of it is characterized in that described first purifying jar, the 3rd efferent duct of purifying jar also can be by separately and corresponding the joining of input pipe of first cooling tank and the 3rd cooling tank, the efferent duct of first cooling tank connects first input pipe of first super mixer by first metering conveying pump; The efferent duct of first super mixer connects the input pipe of the first reaction storage tank, and the efferent duct of the first reaction storage tank connects the input pipe of first retort, and the efferent duct of first retort joins by first input pipe of the 3rd metering conveying pump and second super mixer; The 3rd purification jar input pipe by valve and the 3rd cooling tank joins, and the input pipe of the efferent duct of the 3rd cooling tank and second retort joins; The efferent duct of second retort joins by second input pipe of the 4th metering conveying pump (51) with second super mixer (22);
3, the production equipment of fusion spinning fire resistant special type elastic spandex fiber according to claim 1, it is characterized in that the described first purification jar can and connect the second purification jar, on the second purification jar, establish the second reinforced valve, the second purification jar is connected in series with second cooling tank, second metering conveying pump, and the efferent duct of second metering conveying pump connects second input pipe of first super mixer.
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CN 200620077076 CN200964456Y (en) | 2006-09-04 | 2006-09-04 | Device for preparing fusion spinning fire resistant special type elastic spandex fiber |
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CN 200620077076 CN200964456Y (en) | 2006-09-04 | 2006-09-04 | Device for preparing fusion spinning fire resistant special type elastic spandex fiber |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102021666A (en) * | 2010-12-10 | 2011-04-20 | 太仓市金祥氨纶纤维有限公司 | Method for producing melt direct spinning superfine denier polyurethane fibers through guide yarn stretching of double godet rollers |
CN102051699A (en) * | 2010-12-10 | 2011-05-11 | 太仓市金祥氨纶纤维有限公司 | Equipment for producing molten direct spun superfine denier polyurethane fibers by guide silk stretching of double-way silk guide roller |
CN102115919A (en) * | 2010-12-10 | 2011-07-06 | 太仓市金祥氨纶纤维有限公司 | Melting and direct-spinning superfine denier (4.6-5.5 denier) high-elastic modulus polyurethane fiber equipment |
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2006
- 2006-09-04 CN CN 200620077076 patent/CN200964456Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102021666A (en) * | 2010-12-10 | 2011-04-20 | 太仓市金祥氨纶纤维有限公司 | Method for producing melt direct spinning superfine denier polyurethane fibers through guide yarn stretching of double godet rollers |
CN102051699A (en) * | 2010-12-10 | 2011-05-11 | 太仓市金祥氨纶纤维有限公司 | Equipment for producing molten direct spun superfine denier polyurethane fibers by guide silk stretching of double-way silk guide roller |
CN102115919A (en) * | 2010-12-10 | 2011-07-06 | 太仓市金祥氨纶纤维有限公司 | Melting and direct-spinning superfine denier (4.6-5.5 denier) high-elastic modulus polyurethane fiber equipment |
CN102021666B (en) * | 2010-12-10 | 2012-05-23 | 太仓市金祥氨纶纤维有限公司 | Method for producing melt direct spinning superfine denier polyurethane fibers through guide yarn stretching of double godet rollers |
CN102051699B (en) * | 2010-12-10 | 2012-05-23 | 太仓市金祥氨纶纤维有限公司 | Equipment for producing molten direct spun superfine denier polyurethane fibers by guide silk stretching of double-way silk guide roller |
CN102115919B (en) * | 2010-12-10 | 2013-02-13 | 太仓市金祥氨纶纤维有限公司 | Melting and direct-spinning superfine denier (4.6-5.5 denier) high-elastic modulus polyurethane fiber equipment |
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C14 | Grant of patent or utility model | ||
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C17 | Cessation of patent right | ||
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Granted publication date: 20071024 Termination date: 20110904 |