CN108707988B - Post-spinning equipment for producing high-performance fibers based on melt spinning method - Google Patents
Post-spinning equipment for producing high-performance fibers based on melt spinning method Download PDFInfo
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- CN108707988B CN108707988B CN201810558068.XA CN201810558068A CN108707988B CN 108707988 B CN108707988 B CN 108707988B CN 201810558068 A CN201810558068 A CN 201810558068A CN 108707988 B CN108707988 B CN 108707988B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
Abstract
The invention provides a post-spinning device for producing high-performance fibers based on a melt spinning method, which comprises a high-pressure fan, a heater, an insulation can, a nitrogen heating cylinder, a filter, an oil tank, an oil pump, a water cooler, an oil cooler, a water tank, an oil return basin, a connecting pipeline and an electrical appliance control system, wherein the high-pressure fan, the heater, the nitrogen heating cylinder, the filter and part of connecting pipelines can form hot nitrogen circulation, the oil tank, the oil pump, the water cooler, the oil cooler, the water tank, the oil return basin, the insulation can and part of connecting pipelines can form oil circulation and cool hot oil and hot nitrogen, the water cooler, the water tank and part of connecting pipelines can form cooling water circulation and cool hot oil, and the electrical appliance control system is arranged on the connecting pipelines and used for controlling the opening and closing of the pipelines and detecting the temperature, the pressure and the oxygen content of the. The invention can improve the tensile strength, the wear resistance, the heat resistance and the fatigue resistance of the tows treated by the pre-spinning equipment by circularly heating the tows by hot nitrogen.
Description
Technical Field
The invention belongs to the technical field of melt spinning, and particularly relates to post-spinning equipment for producing high-performance fibers based on a melt spinning method.
Background
At present, the high-performance special fiber mainly comprises meta-aramid fiber (also known as PMIA fiber and aramid fiber 1313 fiber) and para-aramid fiber (also known as PPTA fiber and aramid fiber 1414 fiber), and the meta-aramid fiber and the para-aramid fiber can be used for preparing fishing nets, bulletproof clothes, sports goods, brake pads, optical fiber level display materials and the like, and can also be used for preparing films, soft printed circuit boards, food packages and the like. However, the preparation equipment for the two fibers has complex structure, large floor area, long preparation process flow, large consumption of manpower and material resources, and certain pollution to the natural environment, and the adverse factors seriously influence the application and popularization of the high-performance special fibers in the fields.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide the post-spinning equipment for producing the high-performance fiber based on the melt spinning method, which has the advantages of simple structure, short preparation process and better tow quality.
In order to solve the technical problem, the invention provides a post-spinning device for producing high-performance fibers based on a melt spinning method, which comprises a high-pressure fan, a heater, an insulation box, a nitrogen heating cylinder, a filter, an oil tank, an oil pump, a water cooler, an oil cooler, a water tank, an oil return basin, a connecting pipeline and an electric appliance control system, wherein the high-pressure fan is connected with the heater; the air inlet of the high-pressure fan can be connected with a nitrogen source through a filter, two ends of the heater are respectively connected with the high-pressure fan and the nitrogen heating cylinder through the heat insulation box, and two ends of the filter are respectively connected with the nitrogen heating cylinder and the high-pressure fan to form hot nitrogen circulation for aligning and carrying out heat treatment; the oil pump is arranged in the oil tank, two ends of the water cooler are respectively connected with the oil pump and the oil return basin through the heat insulation box, and the oil return basin is connected with the oil tank and used for forming oil circulation; the oil return basin is arranged in the water tank, and the water cooler is respectively connected with the oil cooler and the water tank and is used for respectively forming oil circulation and cooling water circulation to cool oil; the electric appliance control system is arranged on the connecting pipeline and used for controlling the on-off of the pipeline and detecting the temperature, pressure and oxygen content of nitrogen in the connecting pipeline.
Furthermore, the connecting pipelines comprise a hot nitrogen circulating connecting pipeline, an oil circulating connecting pipeline and a cooling water circulating connecting pipeline; hot nitrogen gas circulation connecting line includes nitrogen source in proper order and advances pipe, fan air-supply line, fan play tuber pipe, hot-blast main, hot-blast distributing pipe I, hot-blast branch pipe, hot-blast distributing pipe II, nitrogen gas cartridge heater air-supply line, nitrogen gas cartridge heater return air pipe, return air pipe I and return air pipe II, the nitrogen source advances the one end of pipe and is connected with the nitrogen source and the other end with the filter is connected, the one end of fan air-supply line with high-pressure positive blower is connected and the other end passes through the filter with return air pipe II is connected, the one end that the fan goes out the tuber pipe with high-pressure positive blower is connected and the other end with heater connection, the one end of hot-blast main with heater connection and the other end with hot-blast distributing pipe I is connected, the one end of hot-blast branch pipe with hot-blast distributing pipe I is connected and the other end with hot-blast distributing pipe II is connected, the one One end of a return air pipe of the nitrogen heating cylinder is connected with the nitrogen heating cylinder, the other end of the return air pipe is connected with the return air pipe I, and the other end of the return air pipe I is connected with the return air pipe II; the oil circulation connecting pipeline sequentially comprises an oil pump inlet pipe, an oil pump outlet pipe, a heat conduction oil pipe I, a heat conduction oil pipe II, a heat conduction oil branch pipe and a heat conduction oil return pipe II, the oil pump inlet pipe is arranged in the oil tank, one end of the oil pump inlet pipe is connected with the oil pump, one end of the oil pump outlet pipe is connected with the oil pump, the other end of the oil pump outlet pipe is connected with the water cooler, one end of the heat conduction oil pipe I is connected with the water cooler, the other end of the heat conduction oil pipe I is connected with the heat conduction oil pipe II, one end of the heat conduction oil pipe II is connected with the oil cooler, the other end of the heat conduction oil pipe II is connected with the heat conduction oil branch pipe, the heat conducting oil branch pipes are divided into three paths and are respectively connected with the hot air distribution pipe I, the hot air distribution pipe II and the return air pipe I, the heat conducting oil return pipe II is also divided into three paths, one end of the heat conducting oil return pipe II is respectively connected with the hot air distribution pipe I, the hot air distribution pipe II and the return air pipe I, and the other end of the heat conducting oil return pipe II is connected with the oil return basin; the cooling water circulation connecting pipeline sequentially comprises a water inlet pipe, a water outlet pipe and a water outlet pipe orifice, one end of the water inlet pipe is connected with the water cooler, one end of the water outlet pipe is connected with the water cooler, the other end of the water outlet pipe is connected with the water tank, and one end of the water outlet pipe orifice is connected with the water tank.
Furthermore, hot nitrogen gas circulation connecting line still includes exhaust pipe import, exhaust pipe export, the one end of exhaust pipe import with the fan goes out the tuber pipe and connects and the other end with the oil cooler is connected, the one end of exhaust pipe export with the oil cooler is connected.
Furthermore, the hot nitrogen circulating connecting pipeline also comprises a manual exhaust pipe, one end of which is connected with the air outlet pipe of the fan.
Furthermore, the oil circulation connecting pipeline further comprises a heat conduction oil return pipe I, one end of the heat conduction oil return pipe I is connected with the oil cooler, and the other end of the heat conduction oil return pipe I is connected with the oil tank.
Further, electrical apparatus control system is including installing in proper order nitrogen source advances relief pressure valve, self-operated governing valve and governing valve on managing, installs manual butterfly valve I on the fan goes out the tuber pipe, installs manual butterfly valve II on the manual exhaust pipe, install exhaust pipe solenoid valve on the exhaust pipe import, install be close to on the heat conduction oil pipe II solenoid valve I, installation of oil cooler one end solenoid valve III and solenoid valve IV on the heat conduction oil pipe branch pipe are installed manual ball valve on the oil pump outlet pipe, install solenoid valve II on the inlet tube, install pressure detector and temperature detector I on the hot-blast main, install temperature detector II on hot-blast distribution pipe II and the return air pipe I, install oxygen content detector on the return air pipe II, install keep away from on the heat conduction oil pipe II temperature detector IV of oil cooler one end and install temperature on the hot-blast distribution pipe I is examined And (5) measuring an instrument III.
Further, the maximum temperature of the heater for heating the nitrogen is controlled within 270 +/-1 ℃.
Furthermore, the oxygen content detector detects that the oxygen content of the nitrogen in the pipeline is not more than 2000 ppm.
Compared with the prior art, the invention has the beneficial effects that: the structure is simpler, the preparation process is shorter, the required manpower and material resources are less, the manufacturing cost is lower, and the energy-saving and environment-friendly effects are achieved; in addition, the tensile strength, the wear resistance, the heat resistance and the fatigue resistance of the tows processed by the pre-spinning equipment can be improved by circularly heating the tows by hot nitrogen, so that the tows processed by circularly heating by hot nitrogen are more suitable for application and popularization of high-performance special fibers.
Drawings
FIG. 1 is a schematic structural diagram of a post-spinning device for producing high-performance fibers based on a melt spinning method.
FIG. 2 is a flow chart of the operation of the post-spinning equipment for producing high-performance fiber based on the melt spinning method.
Illustration of the drawings: 1-a high-pressure fan, 2-a fan air inlet pipe, 3-a fan air outlet pipe, 4-an exhaust pipe inlet, 5-an exhaust pipe electromagnetic valve, 6-a manual exhaust pipe, 7-a manual butterfly valve I, 8-a manual butterfly valve II, 9-a heater, 10-an electromagnetic valve I, 11-an oil cooler, 12-a heat conduction oil pipe I, 13-a heat conduction oil return pipe I, 14-an exhaust pipe outlet, 15-a heat conduction oil pipe II, 16-a water cooler, 17-an electromagnetic valve II, 18-an water inlet pipe, 19-a manual ball valve, 20-an oil pump outlet pipe, 21-an oil pump inlet pipe, 22-an water outlet pipe, 23-an oil pump, 24-an oil tank, 25-a water tank, 26-a water outlet pipe orifice, 27-an oil return basin and 28-a heat, 29-hot air pipe, 30-heat conducting oil branch pipe, 31-heat preservation box, 32-air return pipe I, 33-electromagnetic valve III, 34-pressure detector, 35-temperature detector I, 36-hot air distribution pipe I, 37-hot air branch pipe, 38-temperature detector II, 39-oxygen content detector, 40-air return pipe II, 41-filter, 42-regulating valve, 43-self-operated regulating valve, 44-nitrogen source inlet pipe, 45-reducing valve, 46-nitrogen heating cylinder air return pipe, 47-hot air distribution pipe II, 48-nitrogen heating cylinder air inlet pipe, 49-union, 50-nitrogen heating cylinder, 51-electromagnetic valve IV, 52-temperature detector III and 53-temperature detector IV.
Detailed Description
The invention will be further described with reference to the drawings and preferred embodiments.
Fig. 1 is a schematic structural diagram of a post-spinning device for producing high-performance fibers based on a melt spinning method, which comprises a high-pressure fan 1, a heater 9, an incubator 31, a nitrogen heating cylinder 50, a filter 41, an oil tank 24, an oil pump 23, a water cooler 16, an oil cooler 11, a water tank 25, an oil return basin 27, a connecting pipeline and an electrical appliance control system.
The air inlet of the high pressure fan 1 may be connected to a nitrogen source through a filter 41, both ends of the heater 9 are connected to the high pressure fan 1 and the nitrogen heating cylinder 50 through the heat insulation box 31, respectively, and both ends of the filter 41 are connected to the nitrogen heating cylinder 50 and the high pressure fan 1, respectively, to form a hot nitrogen circulation to perform a heat treatment on the filament bundle 49. The oil pump 23 is installed in the oil tank 24, both ends of the water cooler 16 are connected to the oil pump 23 and the oil return pan 27 through the heat insulating box 31, and the oil return pan 27 is connected to the oil tank 24 to form an oil circulation. The oil return pan 27 is installed in the water tank 25, and the water cooler 16 is connected to the oil cooler 11 and the water tank 25, respectively, to form an oil circulation and a cooling water circulation, respectively, to cool the oil. The electric appliance control system is arranged on the connecting pipeline and used for controlling the opening and closing of the pipeline and detecting the temperature, the pressure and the oxygen content of nitrogen in the connecting pipeline.
The connecting pipeline comprises a hot nitrogen circulating connecting pipeline, an oil circulating connecting pipeline and a cooling water circulating connecting pipeline.
The hot nitrogen circulating connecting pipeline sequentially comprises a nitrogen source inlet pipe 44, a fan air inlet pipe 2, a fan air outlet pipe 3, a hot air pipe 29, a hot air distribution pipe I36, a hot air branch pipe 37, a hot air distribution pipe II 47, a nitrogen heating cylinder air inlet pipe 48, a nitrogen heating cylinder return air pipe 46, a return air pipe I32 and a return air pipe II 40. One end of the nitrogen source inlet pipe 44 is connected to a nitrogen source and the other end is connected to the filter 41, one end of the fan inlet pipe 2 is connected to the high pressure fan 1 and the other end is connected to the return air pipe ii 40 through the filter 41, one end of the fan outlet pipe 3 is connected to the high pressure fan 1 and the other end is connected to the heater 9, one end of the hot air pipe 29 is connected to the heater 9 and the other end is connected to the hot air distribution pipe i 36, one end of the hot air branch pipe 37 is connected to the hot air distribution pipe i 36 and the other end is connected to the hot air distribution pipe ii 47, one end of the nitrogen heating cylinder inlet pipe 48 is connected to the hot air distribution pipe ii 47 and the other end is connected to the nitrogen heating cylinder 50, one end of the nitrogen heating cylinder return air pipe 46 is connected to the nitrogen heating cylinder 50 and the other end is connected to the return air pipe i, the other end of the return air duct I32 is connected with the return air duct II 40.
The oil circulation connecting pipeline sequentially comprises an oil pump inlet pipe 21, an oil pump outlet pipe 20, a heat conduction oil pipe I12, a heat conduction oil pipe II 15, a heat conduction oil branch pipe 30 and a heat conduction oil return pipe II 28. The oil pump inlet pipe 21 is disposed in the oil tank 24, and has one end connected to the oil pump 23, one end of the oil pump outlet pipe 20 is connected to the oil pump 23, and the other end connected to the water cooler 16, one end of the heat transfer oil pipe i 12 is connected to the water cooler 16, and the other end connected to the heat transfer oil pipe ii 15, one end of the heat transfer oil pipe ii 15 is connected to the oil cooler 11, and the other end connected to the heat transfer oil branch pipe 30, the heat transfer oil branch pipe 30 is divided into three paths and is connected to the hot air distribution pipe i 36, the hot air distribution pipe ii 47, and the return air pipe i 32, and the heat transfer oil return pipe ii 28 is also divided into three paths and has one end connected to the hot air distribution pipe i 36, the hot air distribution pipe ii 47, and the return air pipe i 32.
The cooling water circulation connection pipeline comprises a water inlet pipe 18, a water outlet pipe 22 and a water outlet pipe orifice 26 in sequence. One end of the inlet pipe 18 is connected to the water cooler 16, one end of the outlet pipe 22 is connected to the water cooler 16, the other end is connected to the water tank 25, and one end of the outlet pipe orifice 26 is connected to the water tank 25.
In addition, the hot nitrogen circulating connection pipeline further comprises an exhaust pipe inlet 4 and an exhaust pipe outlet 14, one end of the exhaust pipe inlet 4 is connected with the fan air outlet pipe 3, the other end of the exhaust pipe inlet 4 is connected with the oil cooler 11, and one end of the exhaust pipe outlet 14 is connected with the oil cooler 11. The hot nitrogen circulating connecting pipeline also comprises a manual exhaust pipe 6, one end of which is connected with the fan air outlet pipe 3. The oil circulation connecting pipeline further comprises a heat conduction oil return pipe I13, one end of the heat conduction oil return pipe I13 is connected with the oil cooler 11, and the other end of the heat conduction oil return pipe I13 is connected with the oil tank 24.
The electrical appliance control system comprises a pressure reducing valve 45, a self-operated regulating valve 43 and a regulating valve 42 which are sequentially arranged on the nitrogen source inlet pipe 44, a manual butterfly valve I7 arranged on the fan outlet pipe 3, a manual butterfly valve II 8 arranged on the manual exhaust pipe 6, an exhaust pipe electromagnetic valve 5 arranged on the exhaust pipe inlet 4, an electromagnetic valve I10 arranged on the heat conducting oil pipe II 15 and close to one end of the oil cooler 11, an electromagnetic valve III 33 and an electromagnetic valve IV 51 arranged on the heat conducting oil branch pipe 30, a manual ball valve 19 arranged on the oil pump outlet pipe 20, an electromagnetic valve II 17 arranged on the water inlet pipe 18, a pressure detector 34 and a temperature detector I35 arranged on the hot air pipe 29, a temperature detector II 38 arranged on the hot air distribution pipe II 47 and the air return pipe I32, an oxygen content detector 39 arranged on the air return pipe II 40, an oxygen content detector, A temperature detector IV 53 arranged on one end of the heat-conducting oil pipe II 15 far away from the oil cooler 11 and a temperature detector III 52 arranged on the hot air distribution pipe I36.
Fig. 2 is a flow chart of the operation of the post-spinning device for producing high-performance fiber based on the melt spinning method, and the operation of the post-spinning device is as follows:
1. before starting the machine, putting the filament bundle 49 into a nitrogen heating cylinder 50, closing a manual butterfly valve II 8, opening a manual butterfly valve I7, opening an electromagnetic valve I10, opening a manual ball valve 19, adjusting an adjusting valve 42 to control the air inlet pressure of nitrogen to be 0.4Mpa, and closing the rest electromagnetic valves;
2. starting the high-pressure fan 1, when the pressure detector 34 is observed to display that the high-pressure fan 1 reaches the maximum negative pressure, closing the manual butterfly valve I7, opening the manual butterfly valve II 8, inputting a nitrogen source to enable the nitrogen source to sequentially pass through the nitrogen source inlet pipe 44, the pressure reducing valve 45, the self-operated regulating valve 43, the regulating valve 42, the filter 41, the fan air inlet pipe 2, the high-pressure fan 1, the fan air outlet pipe 3, the heater 9, the hot air pipe 29 and the hot air distribution pipe I36;
3. the heater 9 is started to heat the nitrogen gradually, and then the oil pump 23 is started:
1) at the moment, the temperature control of the heater 9 is automatically adjusted according to the difference between the temperature detected by the temperature detector I35 on the hot air pipe 29 and the set temperature (the set temperature at the point is higher than the process temperature by 2-3 ℃), and the electromagnetic valve IV 51 of the hot air in the hot air distribution pipe I36 is automatically opened by the system according to the difference between the temperature detected by the temperature detector III 52 on the pipe and the set temperature (the set temperature at the point is higher than the process temperature by 0.5-1 ℃), so that the cold oil in the heat conduction oil pipe II 15 further adjusts the air temperature in the hot air distribution pipe I36;
2) at this time, the oil trend is divided into two paths: one path is that the oil pump 21 pumps oil from the oil tank 24 through the oil pump inlet pipe 21, then the oil is pumped from the oil pump outlet pipe 20 and enters the water cooler 16 through the manual ball valve 19 for cooling, then the oil is discharged from the heat conduction oil pipe I12 on the water cooler 16 and sequentially enters the oil return basin 27 through the heat conduction oil pipe II 15, the heat conduction oil branch pipe 30, the hot air distribution pipe I36 and the heat conduction oil return pipe II 28, and finally the oil is discharged into the oil tank 24, so that oil circulation is realized; the other path of the oil is discharged from a heat conduction oil pipe I12 on the water cooler 16, enters the oil cooler 11 through an electromagnetic valve I10 for cooling again, and is finally discharged into an oil tank 24 from a heat conduction oil return pipe I13 on the oil cooler 11, so that oil circulation is realized;
3) the direction of the cooling water at this time is: when the actual temperature detected by the electromagnetic valve II 17 on the water inlet pipe 18 through the temperature detector IV 53 on the heat-conducting oil pipe II 15 is higher than the set temperature by 40 ℃, the actual temperature is automatically opened, then the oil is discharged from the water cooler 16, enters the water tank 25 through the water outlet pipe 22, and is discharged from the water tank 25 through the water outlet pipe orifice 26, so that the hot oil pumped out from the oil tank 34 and in the oil return basin 27 can be cooled;
4) in the process of nitrogen temperature rise and after the temperature reaches the requirement, the oxygen content of the nitrogen in the pipeline can be detected by the oxygen content detector 39, when the detected oxygen content of the nitrogen is more than 2000ppm, the system can automatically fill the nitrogen, overpressure gas and impurities can enter the oil cooler 11 from the exhaust pipe inlet 4 through the exhaust pipe electromagnetic valve 5 which is automatically opened, then the overpressure gas and the impurities are discharged from the exhaust pipe outlet 14 on the oil cooler 11, and the discharged gas is cooled to be low-temperature gas;
4. after the air temperature in the hot air distribution pipe I36 reaches the set temperature, the air temperature enters a hot air distribution pipe II 47 through a hot air branch pipe 37, and the difference between the temperature detected by a temperature detector II 38 on the pipe and the set temperature is automatically opened by a system, so that the cold oil in a heat conduction oil pipe II 15 further adjusts the air temperature in the hot air distribution pipe II 47, and the air temperature in the hot air distribution pipe II 47 is controlled within 270 +/-1 ℃;
5. after the air temperature in the hot air distribution pipe II 47 reaches the process temperature, the hot air enters a nitrogen heating cylinder 50 through a nitrogen heating cylinder air inlet pipe 48 to penetrate through the filaments and 49 to carry out heat treatment on the filaments 49, then enters a filter 41 through a nitrogen heating cylinder air return pipe 46, an air return pipe I32 and an air return pipe II 40 in sequence, and finally returns to the high-pressure fan 1 through a fan air inlet pipe 2 by the filter 41 to realize hot nitrogen air circulation;
6. after the silk union 49 is subjected to heat treatment for a set time, the heater 9 and the high-pressure fan 1 automatically stop working, the nitrogen source and the electromagnetic valve I10 are closed, the electromagnetic valve III 33 and the electromagnetic valve IV 51 are opened, the cold oil can rapidly cool the hot air in the hot air distribution pipe I36 and the hot air distribution pipe II 47, and the processed silk union 49 can be taken out when the air temperature is reduced to be below 100 ℃.
The foregoing merely represents preferred embodiments of the invention, which are described in some detail and detail, and therefore should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A post-spinning device for producing high-performance fibers based on a melt spinning method is characterized in that: the device comprises a high-pressure fan (1), a heater (9), an insulation can (31), a nitrogen heating cylinder (50), a filter (41), an oil tank (24), an oil pump (23), a water cooler (16), an oil cooler (11), a water tank (25), an oil return basin (27), a connecting pipeline and an electric appliance control system; an air inlet of the high-pressure fan (1) can be connected with a nitrogen source through a filter (41), two ends of the heater (9) are respectively connected with the high-pressure fan (1) and the nitrogen heating cylinder (50) through the heat insulation box (31), two ends of the filter (41) are respectively connected with the nitrogen heating cylinder (50) and the high-pressure fan (1) to form hot nitrogen circulation so as to carry out heat treatment on the filament bundle (49);
the oil pump (23) is installed in the oil tank (24), two ends of the water cooler (16) are respectively connected with the oil pump (23) and the oil return basin (27) through the heat insulation box (31), and the oil return basin (27) is connected with the oil tank (24) to form oil circulation;
the oil return basin (27) is installed in the water tank (25), and the water cooler (16) is respectively connected with the oil cooler (11) and the water tank (25) and used for respectively forming oil circulation and cooling water circulation to cool oil;
the electric appliance control system is arranged on the connecting pipeline and used for controlling the switch of the connecting pipeline and detecting the temperature, the pressure and the oxygen content of nitrogen in the connecting pipeline.
2. The post-spinning device for producing high-performance fiber based on the melt spinning method according to claim 1, characterized in that: the connecting pipeline comprises a hot nitrogen circulating connecting pipeline, an oil circulating connecting pipeline and a cooling water circulating connecting pipeline; the hot nitrogen circulating connection pipeline sequentially comprises a nitrogen source inlet pipe (44), a fan air inlet pipe (2), a fan air outlet pipe (3), a hot air pipe (29), a hot air distribution pipe I (36), a hot air branch pipe (37), a hot air distribution pipe II (47), a nitrogen heating cylinder air inlet pipe (48), a nitrogen heating cylinder air return pipe (46), an air return pipe I (32) and an air return pipe II (40), one end of the nitrogen source inlet pipe (44) is connected with a nitrogen source and the other end is connected with the filter (41), one end of the fan air inlet pipe (2) is connected with the high-pressure fan (1) and the other end is connected with the air return pipe II (40) through the filter (41), one end of the fan air outlet pipe (3) is connected with the high-pressure fan (1) and the other end is connected with the heater (9), one end of the hot air pipe (29) is connected with the heater (9) and the other end is connected with the hot air distribution pipe I (36), one end of the hot air branch pipe (37) is connected with the hot air distribution pipe I (36) while the other end is connected with the hot air distribution pipe II (47), one end of the nitrogen heating cylinder air inlet pipe (48) is connected with the hot air distribution pipe II (47) while the other end is connected with the nitrogen heating cylinder (50), one end of the nitrogen heating cylinder air return pipe (46) is connected with the nitrogen heating cylinder (50) while the other end is connected with the air return pipe I (32), and the other end of the air return pipe I (32) is connected with the air return pipe II (40);
the oil circulation connecting pipeline sequentially comprises an oil pump inlet pipe (21), an oil pump outlet pipe (20), a heat conduction oil pipe I (12), a heat conduction oil pipe II (15), a heat conduction oil branch pipe (30) and a heat conduction oil return pipe II (28), wherein the oil pump inlet pipe (21) is arranged in the oil tank (24), one end of the oil pump inlet pipe is connected with the oil pump (23), the other end of the oil pump outlet pipe (20) is connected with the water cooler (16), one end of the heat conduction oil pipe I (12) is connected with the water cooler (16), the other end of the heat conduction oil pipe I (15) is connected with the heat conduction oil pipe II (15), one end of the heat conduction oil pipe II (15) is connected with the oil cooler (11), the other end of the heat conduction oil pipe II (30) is connected with the heat conduction oil branch pipe I (36), the hot air distribution pipe II (47) and the heat return pipe I (32) respectively, the heat conducting oil return pipe II (28) is also divided into three paths, one end of the heat conducting oil return pipe II is respectively connected with the hot air distribution pipe I (36), the hot air distribution pipe II (47) and the air return pipe I (32), and the other end of the heat conducting oil return pipe II is respectively connected with the oil return basin (27);
the cooling water circulation connecting pipeline sequentially comprises a water inlet pipe (18), a water outlet pipe (22) and a water outlet pipe orifice (26), one end of the water inlet pipe (18) is connected with the water cooler (16), one end of the water outlet pipe (22) is connected with the water cooler (16), the other end of the water outlet pipe is connected with the water tank (25), and one end of the water outlet pipe orifice (26) is connected with the water tank (25).
3. The post-spinning device for producing high-performance fiber based on the melt spinning method as claimed in claim 2, characterized in that: hot nitrogen gas circulation connecting line still includes exhaust pipe import (4), exhaust pipe export (14), the one end of exhaust pipe import (4) with the fan goes out tuber pipe (3) and connects and the other end with oil cooler (11) are connected, the one end of exhaust pipe export (14) with oil cooler (11) are connected.
4. The post-spinning device for producing high-performance fiber based on the melt spinning method as claimed in claim 2, characterized in that: hot nitrogen gas circulation connecting line still include one end with manual exhaust pipe (6) that fan air-out pipe (3) are connected.
5. The post-spinning device for producing high-performance fiber based on the melt spinning method as claimed in claim 2, characterized in that: the oil circulation connecting pipeline further comprises a heat conduction oil return pipe I (13), one end of the heat conduction oil return pipe I (13) is connected with the oil cooler (11), and the other end of the heat conduction oil return pipe I (13) is connected with the oil tank (24).
6. The post-spinning device for producing high-performance fiber based on the melt spinning method as claimed in claim 2, characterized in that: electrical apparatus control system is including installing in proper order relief pressure valve (45), self-operated regulating valve (43) and governing valve (42) on nitrogen gas source advances pipe (44), install manual butterfly valve I (7) on fan air-out pipe (3), install manual butterfly valve II (8) on manual exhaust pipe (6), install exhaust pipe solenoid valve (5) on exhaust pipe import (4), install be close to on heat conduction oil pipe II (15) solenoid valve I (10), the installation of oil cooler (11) one end solenoid valve III (33) and solenoid valve IV (51) on heat conduction oil pipe (30) are installed manual ball valve (19) on oil pump outlet pipe (20), are installed solenoid valve II (17) on inlet tube (18), install pressure detector (34) and temperature detector I (35) on hot-blast main (29), Install temperature detector II (38) on hot-blast distributing pipe II (47) and return air pipe I (32), install oxygen content detector (39) on return air pipe II (40), install keep away from on heat conduction oil pipe II (15) temperature detector IV (53) of oil cooler (11) one end and install temperature detector III (52) on hot-blast distributing pipe I (36).
7. The post-spinning device for producing high-performance fiber based on the melt spinning method according to claim 1, characterized in that: the highest temperature of the heater (9) for heating the nitrogen is controlled within 270 +/-1 ℃.
8. The post-spinning device for producing high-performance fibers based on the melt spinning method according to claim 6, characterized in that: the oxygen content detector (39) detects that the oxygen content of the nitrogen in the pipeline is not more than 2000 ppm.
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2018
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| US6206908B1 (en) * | 1994-09-16 | 2001-03-27 | United States Surgical Corporation | Absorbable polymer and surgical articles fabricated therefrom |
| CN102051697A (en) * | 2009-11-05 | 2011-05-11 | 陈如巧 | Aramid fiber high-temperature forming machine |
| CN201567398U (en) * | 2009-12-07 | 2010-09-01 | 中国科学院山西煤炭化学研究所 | Chemical fiber drying hot roller unit |
| CN204370066U (en) * | 2014-11-19 | 2015-06-03 | 四川辉腾科技有限公司 | Nitrogen Control Units in a kind of heat treatment of fiber |
| CN105738601A (en) * | 2014-12-11 | 2016-07-06 | 中国石油化工股份有限公司 | On-line detection method of oxygen content of high-performance polyethylene fiber prepared through dry spinning |
| CN106591979A (en) * | 2015-10-14 | 2017-04-26 | 中国石化仪征化纤有限责任公司 | Tension heat setting equipment |
| CN206244954U (en) * | 2016-11-29 | 2017-06-13 | 中维化纤股份有限公司 | One kind production air bag silk device for spinning |
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| CN108707988A (en) | 2018-10-26 |
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