CN108707984B - Cooling method for producing polyester fiber spinning - Google Patents
Cooling method for producing polyester fiber spinning Download PDFInfo
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- CN108707984B CN108707984B CN201810685791.4A CN201810685791A CN108707984B CN 108707984 B CN108707984 B CN 108707984B CN 201810685791 A CN201810685791 A CN 201810685791A CN 108707984 B CN108707984 B CN 108707984B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
Abstract
The invention discloses a cooling method for producing polyester spinning, which comprises the steps of air cooling, cold air introduction, air inlet direction changing, circulating air recovery, air refrigerating box replacement and the like. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of polyester fiber production, in particular to a cooling method for producing polyester fiber spinning.
Background
In the process of producing polyester spinning, raw materials need to be heated and melted, and are cooled during extrusion molding, a common cooling device cools air through an air conditioner or other refrigeration equipment and directly blows the air into a cooling box to cool the air, and then discharges cold air into the atmosphere, so that on one hand, the air is polluted, and on the other hand, extra consumption of electric energy is caused.
Disclosure of Invention
The invention aims to solve the problems and designs a cooling method for producing polyester spinning.
The technical scheme of the invention is that the cooling method for producing the polyester spinning comprises the following steps:
the method comprises the following steps: cooling air, namely arranging cooling boxes behind a spinneret plate and outside a polyester spinning winding drum, arranging two air refrigerating boxes on one side of each cooling box, arranging a heat insulating layer outside each air refrigerating box, arranging a refrigerator in each air refrigerating box, arranging a temperature sensor in each air refrigerating box, refrigerating the air in each air refrigerating box through the refrigerator, and detecting the air through the temperature sensor;
step two: cold air is introduced, a square opening is arranged below the cooling box, an air inlet box is arranged on the lower surface of the cooling box, a square opening corresponding to the square opening is arranged at the upper end of the air inlet box, air inlets are arranged on two sides of the lower surface of the air inlet box, an electric valve is arranged at each air inlet, an exhaust fan is arranged in the air refrigeration box, an air inlet pipe fixedly connected with the electric valve is arranged at the outlet end of the exhaust fan, one electric valve is opened, and the corresponding exhaust fan is started to exhaust the cold air into the air inlet box;
step three: changing the air inlet direction, arranging a circular groove at one side of the square opening of the air inlet box, arranging a circular through hole at the other side of the square opening corresponding to the circular groove, arranging small fixed bearings at the inlet ends of the circular groove and the circular through hole, arranging a small rotating shaft with one end penetrating through the small fixed bearing in the circular through hole and inserting into the small fixed bearing in the circular groove, arranging an air inlet plate in the square opening on the small rotating shaft, arranging mutually meshed small driven gears at one end of the small rotating shaft at the outer side of the air inlet box, arranging a small servo motor at the outer side of the air inlet box, arranging a small driving gear meshed with the outermost small driven gear at the rotating end of the small servo motor, driving the small driving gear to rotate a certain angle through the small servo motor when the spinneret plate just sprays terylene spinning, and enabling the air inlet plate to rotate a certain angle, the direction of the wind is changed to be along the advancing direction of the polyester spinning, on one hand, the wind cools the polyester spinning, on the other hand, the polyester spinning can be lifted upwards to prevent the polyester spinning from falling down, after a period of time, the small servo motor is started again to rotate reversely, the direction of the air inlet plate is changed, the direction of the wind is opposite to the advancing direction of the polyester spinning, the contact area is increased, and the cooling efficiency is improved;
step four; the circulating air is recycled, an air outlet is arranged on one side of the lower end of the cooling box, a multi-way air outlet pipe is arranged at the air outlet, electromagnetic valves are arranged at two outlet ends of the multi-way air outlet pipe, one end of the multi-way air outlet pipe is fixedly connected with the outlet end of the electromagnetic valve, the other end of the multi-way air outlet pipe extends into an air outlet pipe of the air refrigerating box, after cold air entering the cooling box body cools the polyester spinning, the corresponding electromagnetic valve is opened, and the cold air returns to the air cooling box through the air outlet, the multi-way air outlet pipe;
step five: and when the air temperature is too high, the corresponding electric valve is closed, the other electromagnetic valve is opened, and the other air refrigerating box is used for cooling the air refrigerating box.
The refrigerator in the step one is a low-temperature constant-temperature refrigerator.
And a plurality of signal indicating lamps are arranged on the outer sides of the two air refrigerating boxes in the first step.
And an electric adjusting switch is arranged on the exhaust fan in the step two, and the wind power can be adjusted according to specific conditions.
And in the third step, the cold air entering the cooling box body through the air inlet plate cools the polyester spinning below the box body, and is discharged from the air outlet after moving to the upper surface of the cooling box body and rebounding to cool the upper part of the polyester spinning.
And the small servo motor in the third step rotates in a reciprocating mode within a certain angle.
And the two electromagnetic valves and the two electric valves in the fourth step are respectively and correspondingly grouped and are simultaneously controlled.
If the temperature of the air returning to the air refrigerating box in the fourth step is higher than that of the air in the external environment, the air can be processed by the air purifier and then discharged into the atmosphere.
And detecting the air temperature in the fifth step by a temperature sensor, and displaying the running state of the air refrigerating box by a signal indicator lamp.
The cooling box is characterized in that a controller is arranged on one side of the cooling box body, and the controller is electrically connected with all electric equipment, can be automatically controlled and can also be manually operated.
The cooling method for producing the polyester spinning, which is manufactured by the technical scheme of the invention, recycles the polyester spinning after cooling the polyester spinning by the generated cold air to the air refrigeration box, refrigerates the air with very low temperature, saves electric energy, can improve the refrigeration efficiency, can purify the recycled air and discharge the purified air into the atmosphere if the outside air has lower temperature than the recycled air, protects the atmospheric environment, is provided with two air refrigeration boxes, can be freely replaced, ensures the cooling efficiency, can change the air inlet direction according to the actual requirement by using the method, ensures more uniform air inlet and improves the product quality.
Drawings
FIG. 1 is a schematic flow chart of a cooling method for producing polyester spinning according to the invention;
FIG. 2 is a schematic flow chart of the air cooling according to the present invention;
FIG. 3 is a schematic view of the flow of the cool air introduced according to the present invention;
FIG. 4 is a schematic flow diagram of the present invention for changing the direction of air intake;
FIG. 5 is a schematic flow diagram of the recycle air recovery according to the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1-5, a cooling method for producing polyester fiber spinning specifically comprises the following steps: the method comprises the following steps: cooling air, namely arranging cooling boxes behind a spinneret plate and outside a polyester spinning winding drum, arranging two air refrigerating boxes on one side of each cooling box, arranging a heat insulating layer outside each air refrigerating box, arranging a refrigerator in each air refrigerating box, arranging a temperature sensor in each air refrigerating box, refrigerating the air in each air refrigerating box through the refrigerator, and detecting the air through the temperature sensor; step two: cold air is introduced, a square opening is arranged below the cooling box, an air inlet box is arranged on the lower surface of the cooling box, a square opening corresponding to the square opening is arranged at the upper end of the air inlet box, air inlets are arranged on two sides of the lower surface of the air inlet box, an electric valve is arranged at each air inlet, an exhaust fan is arranged in the air refrigeration box, an air inlet pipe fixedly connected with the electric valve is arranged at the outlet end of the exhaust fan, one electric valve is opened, and the corresponding exhaust fan is started to exhaust the cold air into the air inlet box; step three: changing the air inlet direction, arranging a circular groove at one side of the square opening of the air inlet box, arranging a circular through hole at the other side of the square opening corresponding to the circular groove, arranging small fixed bearings at the inlet ends of the circular groove and the circular through hole, arranging a small rotating shaft with one end penetrating through the small fixed bearing in the circular through hole and inserting into the small fixed bearing in the circular groove, arranging an air inlet plate in the square opening on the small rotating shaft, arranging mutually meshed small driven gears at one end of the small rotating shaft at the outer side of the air inlet box, arranging a small servo motor at the outer side of the air inlet box, arranging a small driving gear meshed with the outermost small driven gear at the rotating end of the small servo motor, driving the small driving gear to rotate a certain angle through the small servo motor when the spinneret plate just sprays terylene spinning, and enabling the air inlet plate to rotate a certain angle, the direction of the wind is changed to be along the advancing direction of the polyester spinning, on one hand, the wind cools the polyester spinning, on the other hand, the polyester spinning can be lifted upwards to prevent the polyester spinning from falling down, after a period of time, the small servo motor is started again to rotate reversely, the direction of the air inlet plate is changed, the direction of the wind is opposite to the advancing direction of the polyester spinning, the contact area is increased, and the cooling efficiency is improved; step four; the circulating air is recycled, an air outlet is arranged on one side of the lower end of the cooling box, a multi-way air outlet pipe is arranged at the air outlet, electromagnetic valves are arranged at two outlet ends of the multi-way air outlet pipe, one end of the multi-way air outlet pipe is fixedly connected with the outlet end of the electromagnetic valve, the other end of the multi-way air outlet pipe extends into an air outlet pipe of the air refrigerating box, after cold air entering the cooling box body cools the polyester spinning, the corresponding electromagnetic valve is opened, and the cold air returns to the air cooling box through the air outlet, the multi-way air outlet pipe; step five: when one air refrigeration box is used for a period of time, the refrigerator cannot run in time, when the air temperature is too high, the corresponding electric valve is closed, the other electromagnetic valve is opened, and the other air refrigeration box is used for cooling the air refrigeration box; the refrigerator in the step one is a low-temperature constant-temperature refrigerator; a plurality of signal indicating lamps are arranged on the outer sides of the two air refrigerating boxes in the first step; an electric adjusting switch is arranged on the exhaust fan in the second step, and the wind power can be adjusted according to specific conditions; in the third step, the cold air entering the cooling box body through the air inlet plate cools the polyester spun yarn below the box body, and is discharged from the air outlet after moving to the upper surface of the cooling box body and rebounding to cool the upper part of the polyester spun yarn; the small servo motor in the third step circularly rotates in a reciprocating way within a certain angle; the two electromagnetic valves and the two electric valves in the fourth step are respectively and correspondingly grouped and are simultaneously controlled; if the temperature of the air returned to the air refrigerating box in the fourth step is higher than that of the air in the external environment, the air can be treated by an air purifier and then discharged into the atmosphere; the air temperature in the fifth step is detected by a temperature sensor, and the running state of the air refrigerating box is displayed by a signal indicator lamp; the cooling box is characterized in that a controller is arranged on one side of the cooling box body, and the controller is electrically connected with all electric equipment, can be automatically controlled and can also be manually operated.
The implementation scheme is characterized by comprising the following steps: the method comprises the following steps: cooling air, namely arranging cooling boxes behind a spinneret plate and outside a polyester spinning winding drum, arranging two air refrigerating boxes on one side of each cooling box, arranging a heat insulating layer outside each air refrigerating box, arranging a refrigerator in each air refrigerating box, arranging a temperature sensor in each air refrigerating box, refrigerating the air in each air refrigerating box through the refrigerator, and detecting the air through the temperature sensor; step two: cold air is introduced, a square opening is arranged below the cooling box, an air inlet box is arranged on the lower surface of the cooling box, a square opening corresponding to the square opening is arranged at the upper end of the air inlet box, air inlets are arranged on two sides of the lower surface of the air inlet box, an electric valve is arranged at each air inlet, an exhaust fan is arranged in the air refrigeration box, an air inlet pipe fixedly connected with the electric valve is arranged at the outlet end of the exhaust fan, one electric valve is opened, and the corresponding exhaust fan is started to exhaust the cold air into the air inlet box; step three: changing the air inlet direction, arranging a circular groove at one side of the square opening of the air inlet box, arranging a circular through hole at the other side of the square opening corresponding to the circular groove, arranging small fixed bearings at the inlet ends of the circular groove and the circular through hole, arranging a small rotating shaft with one end penetrating through the small fixed bearing in the circular through hole and inserting into the small fixed bearing in the circular groove, arranging an air inlet plate in the square opening on the small rotating shaft, arranging mutually meshed small driven gears at one end of the small rotating shaft at the outer side of the air inlet box, arranging a small servo motor at the outer side of the air inlet box, arranging a small driving gear meshed with the outermost small driven gear at the rotating end of the small servo motor, driving the small driving gear to rotate a certain angle through the small servo motor when the spinneret plate just sprays terylene spinning, and enabling the air inlet plate to rotate a certain angle, the direction of the wind is changed to be along the advancing direction of the polyester spinning, on one hand, the wind cools the polyester spinning, on the other hand, the polyester spinning can be lifted upwards to prevent the polyester spinning from falling down, after a period of time, the small servo motor is started again to rotate reversely, the direction of the air inlet plate is changed, the direction of the wind is opposite to the advancing direction of the polyester spinning, the contact area is increased, and the cooling efficiency is improved; step four; the circulating air is recycled, an air outlet is arranged on one side of the lower end of the cooling box, a multi-way air outlet pipe is arranged at the air outlet, electromagnetic valves are arranged at two outlet ends of the multi-way air outlet pipe, one end of the multi-way air outlet pipe is fixedly connected with the outlet end of the electromagnetic valve, the other end of the multi-way air outlet pipe extends into an air outlet pipe of the air refrigerating box, after cold air entering the cooling box body cools the polyester spinning, the corresponding electromagnetic valve is opened, and the cold air returns to the air cooling box through the air outlet, the multi-way air outlet pipe; step five: when one air refrigeration box is used for a period of time, the refrigerator cannot run in time, when the air temperature is too high, the corresponding electric valve is closed, the other electromagnetic valve is opened, and the other air refrigeration box is used for cooling the air refrigeration box; the cooling method for producing the polyester spinning, which recycles cold air, changes the air inlet direction and purifies waste gas, saves electric energy, improves the refrigeration efficiency, protects the atmospheric environment and improves the product quality.
In the embodiment, a controller controls and starts a refrigerator in an air refrigeration box to refrigerate air, a temperature sensor detects the air temperature in the air refrigeration box, a signal indicator lamp is lightened after the air temperature reaches a certain degree, production equipment is started to produce polyester spinning, the controller controls and opens a corresponding electromagnetic valve capable of being controlled by an electric valve, an exhaust fan is started to pump the air in the air refrigeration box into an air inlet box, a small servo motor is controlled and started by the controller, a small driving gear is driven by the small servo motor to rotate for a certain angle, an air inlet plate rotates for a certain angle, the direction of the air is changed to be along the advancing direction of the polyester spinning, one side cools the polyester spinning, the other side can lift the polyester spinning upwards to prevent the polyester spinning from falling, the small servo motor is started again to rotate reversely after a period of time, and the direction of the air inlet plate is changed, the direction of air is opposite to the advancing direction of the polyester spinning, the contact area is increased, the cooling efficiency is improved, cold air entering the cooling box body by the air inlet plate cools the polyester spinning below, when the cold air moves to the upper surface of the cooling box body and cools the upper part of the polyester spinning after rebounding, the cold air is exhausted from the air outlet and returns to the air cooling box through the air outlet, the multi-way air outlet pipe, the electric valve and the air outlet pipe, if the temperature of the air returning to the air cooling box is higher than that of the air in the external environment, the air can be treated by the air purifier and then exhausted to the atmosphere, along with the cooling, the temperature of the air in the air cooling box can be gradually increased, along with the temperature increase of the air, the refrigerator in the other air cooling box is started to refrigerate the air, and after reaching a certain degree, the opened electric valve, the electromagnetic valve, the exhaust fan and the like are closed, and another group of electric valves, electromagnetic valves, exhaust fans and the like are opened and switched, so that the cooling efficiency is guaranteed, and the working process is completed.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A cooling method for producing polyester spinning is characterized by comprising the following steps:
the method comprises the following steps: cooling air, namely arranging cooling boxes behind a spinneret plate and outside a polyester spinning winding drum, arranging two air refrigerating boxes on one side of each cooling box, arranging a heat insulating layer outside each air refrigerating box, arranging a refrigerator in each air refrigerating box, arranging a temperature sensor in each air refrigerating box, refrigerating the air in each air refrigerating box through the refrigerator, and detecting the air through the temperature sensor;
step two: cold air is introduced, a square opening is arranged below the cooling box, an air inlet box is arranged on the lower surface of the cooling box, a square opening corresponding to the square opening is arranged at the upper end of the air inlet box, air inlets are arranged on two sides of the lower surface of the air inlet box, an electric valve is arranged at each air inlet, an exhaust fan is arranged in the air refrigeration box, an air inlet pipe fixedly connected with the electric valve is arranged at the outlet end of the exhaust fan, one electric valve is opened, and the corresponding exhaust fan is started to exhaust the cold air into the air inlet box;
step three: changing the air inlet direction, arranging a circular groove at one side of the square opening of the air inlet box, arranging a circular through hole at the other side of the square opening corresponding to the circular groove, arranging small fixed bearings at the inlet ends of the circular groove and the circular through hole, arranging a small rotating shaft with one end penetrating through the small fixed bearing in the circular through hole and inserting into the small fixed bearing in the circular groove, arranging an air inlet plate in the square opening on the small rotating shaft, arranging mutually meshed small driven gears at one end of the small rotating shaft at the outer side of the air inlet box, arranging a small servo motor at the outer side of the air inlet box, arranging a small driving gear meshed with the outermost small driven gear at the rotating end of the small servo motor, driving the small driving gear to rotate a certain angle through the small servo motor when the spinneret plate just sprays terylene spinning, and enabling the air inlet plate to rotate a certain angle, the direction of the wind is changed to be along the advancing direction of the polyester spinning, on one hand, the wind cools the polyester spinning, on the other hand, the polyester spinning can be lifted upwards to prevent the polyester spinning from falling down, after a period of time, the small servo motor is started again to rotate reversely, the direction of the air inlet plate is changed, the direction of the wind is opposite to the advancing direction of the polyester spinning, the contact area is increased, and the cooling efficiency is improved;
step four; the circulating air is recycled, an air outlet is arranged on one side of the lower end of the cooling box, a multi-way air outlet pipe is arranged at the air outlet, electromagnetic valves are arranged at two outlet ends of the multi-way air outlet pipe, one end of the multi-way air outlet pipe is fixedly connected with the outlet end of the electromagnetic valve, the other end of the multi-way air outlet pipe extends into an air outlet pipe of the air refrigerating box, after cold air entering the cooling box body cools the polyester spinning, the corresponding electromagnetic valve is opened, and the cold air returns to the air cooling box through the air outlet, the multi-way air outlet pipe;
step five: and when the air temperature is too high, the corresponding electric valve is closed, the other electromagnetic valve is opened, and the other air refrigerating box is used for cooling the air refrigerating box.
2. The cooling method for producing polyester spun yarn according to claim 1, wherein the refrigerator in the first step is a low temperature constant temperature refrigerator.
3. The cooling method for producing polyester spun yarn according to claim 1, wherein a plurality of signal indicating lamps are arranged on the outer sides of the two air cooling boxes in the first step.
4. The cooling method for producing polyester spinning yarns according to claim 1, wherein an electric adjusting switch is arranged on the exhaust fan in the second step, and the wind power can be adjusted according to specific conditions.
5. The cooling method for producing polyester spun yarns according to claim 1, wherein the cold air entering the cooling box through the air inlet plate in the third step cools the polyester spun yarns below the cooling box, and the cold air moves to the upper surface of the cooling box, rebounds the cold air, cools the upper part of the polyester spun yarns, and then is discharged from the air outlet.
6. The cooling method for producing polyester spun yarn according to claim 1, wherein the small servo motor in the third step rotates in a reciprocating manner within a certain angle.
7. The cooling method for producing polyester yarns according to claim 1, wherein the two electromagnetic valves and the two electric valves in the fourth step are respectively grouped correspondingly and controlled simultaneously.
8. The cooling method for producing polyester fiber spinning yarns according to claim 1, wherein the air returned to the air cooling box in the fourth step is discharged to the atmosphere after being processed by an air purifier if the temperature of the air is higher than that of the air in the external environment.
9. The cooling method for producing polyester spinning yarns according to claim 1, wherein the air temperature in the fifth step is detected by a temperature sensor, and the operating state of the air cooling box is displayed by a signal indicator lamp.
10. The cooling method for producing polyester spun yarn according to claim 1, wherein a controller is arranged on one side of the cooling box body, and the controller is electrically connected with all electric equipment, can be automatically controlled and can also be manually operated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685791.4A CN108707984B (en) | 2018-06-28 | 2018-06-28 | Cooling method for producing polyester fiber spinning |
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| CN201810685791.4A CN108707984B (en) | 2018-06-28 | 2018-06-28 | Cooling method for producing polyester fiber spinning |
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| CN108707984B true CN108707984B (en) | 2020-06-26 |
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| CN112410901A (en) * | 2020-11-09 | 2021-02-26 | 天长市大发化纤有限公司 | Polyester staple fiber production and processing is with loop type cooling system that bloies |
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| CN106319656A (en) * | 2016-08-25 | 2017-01-11 | 宁波大发化纤有限公司 | Preparation method for two-component side-by-side composite fibres |
| CN106894102A (en) * | 2017-04-12 | 2017-06-27 | 江苏江南高纤股份有限公司 | Efficient polyolefin/polyester sheath core is combined direct spinning system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477714A (en) * | 1977-12-01 | 1979-06-21 | Teijin Ltd | Spinning of synthetic filament yarn |
| US4978485A (en) * | 1988-07-25 | 1990-12-18 | Amoco Corporation | Method for controlling a quench fluid velocity in a polymer melt spinning process |
| KR100404542B1 (en) * | 1996-07-19 | 2004-01-07 | 주식회사 효성생활산업 | Method of manufacturing polyester microfiber |
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