CN105040131A - Spinning channel system - Google Patents
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- CN105040131A CN105040131A CN201510572843.3A CN201510572843A CN105040131A CN 105040131 A CN105040131 A CN 105040131A CN 201510572843 A CN201510572843 A CN 201510572843A CN 105040131 A CN105040131 A CN 105040131A
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Abstract
The invention belongs to the technical field of spinning devices, and relates to a spinning channel system. The spinning channel system comprises a cylindrical channel body, an upper air feed mechanism, a flow correcting mechanism, a main air return mechanism, an auxiliary air return mechanism and a bottom air return mechanism. The upper air feed mechanism and the flow correcting mechanism are arranged at the top of the cylindrical channel body, and the upper air feed mechanism is arranged on the periphery of the flow correcting mechanism; the main air return mechanism is fixedly arranged in the middle of the cylindrical channel body and located between the upper air feed mechanism and the auxiliary air return mechanism; the auxiliary air return mechanism is arranged on the lower portion of the cylindrical channel body and located above the bottom air return mechanism; the bottom air return mechanism is arranged at the bottom of the cylindrical channel body. While increasing the air volume of the channel, the spinning channel system ensures stability of airflow, so that the character of final spandex fiber finished products tends to be stable, and product differentiation is reduced.
Description
Technical field
The invention belongs to technical field of spinning, be particularly related to a kind of spinning shaft system.
Background technology
Spandex, also known as polyurethane fibre, is a kind of highly elastic fiber, has been widely used in all kinds of elastic fabric, and as sportswear, townwear and other elasticity top-weight fabric etc. are the indispensable specialty fibers of the high-grade elastic textiles of development.
Spandex in process of production will through a lot of operation, and wherein last procedure is called spandex fiber.Dry spinning is a kind of spandex fiber method that range of application is wider, its process brief introduction is as follows: the stoste be made up of spandex, DMAC and other auxiliary agent is passed through and filtered in filament spinning component, be dispensed to spinnerets ejection, from the stoste of spinnerets ejection, after spinning shaft evaporative removal DMAC solvent wherein, obtain spandex tow by the high-temperature hot-air that can reach 300 DEG C.
In spinning shaft, solvent evaporates condition is the essential condition affecting spinning situation and end product quality index.Lateral blowing wind speed is excessive, wind speed is irregular will cause the concussion of strand and wave, and makes nascent strand produce the phenomenon such as doubling, evenness fault.Wind speed is too small, and strand setting rate slows down, and strand solvent evaporates is unclean.In addition, the stability, uniformity of spinning shaft temperature is also the deciding factor determining strand Forming Quality.Therefore, how to increase air quantity, accelerate solvent evaporates, ensure strand Forming Quality again, be the important research direction of spinning shaft simultaneously.
Traditional spinning shaft structure distribution is unreasonable, and hot blast temperature raises limited, and companion's heat is uneven, and spinning quality is unstable.In view of this, be necessary to be improved existing spinning shaft system, to solve the problem.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect mentioned and deficiency, and a kind of spinning shaft system is provided.
The technical scheme that the present invention realizes the employing of its object is as follows.
A kind of spinning shaft system, comprises cylindrical shape path body upper air inlet mechanism, Zheng Liu mechanism, main return air mechanism, secondary return air mechanism and end return air mechanism; Described upper air inlet mechanism and just flowing organization establishes in body top, cylindrical shape path, and upper air inlet organization establishes is peripheral in Zheng Liu mechanism; Described main return air mechanism to be fixedly installed in the middle part of the body of cylindrical shape path and between upper air inlet mechanism and secondary return air mechanism; Described time return air mechanism is arranged at body bottom, cylindrical shape path and is positioned at above end return air mechanism; Described end return air mechanism is arranged at bottom the body of cylindrical shape path.
Described upper air inlet mechanism to comprise under blast pipe, air supplying ring, wind-guiding pressed on ring, wind-guiding ring and adjusts vane; Body top, described cylindrical shape path circumference offers air inlet; Described air inlet has 3 row at least and circumference is distributed in body top, cylindrical shape path; Described air supplying ring is sheathed on body top, cylindrical shape path and forms air-inlet cavity, and air supplying ring is located in air inlet outside, and air-inlet cavity and air inlet are interconnected; Described blast pipe connects air supplying ring, and blast pipe is communicated with air-inlet cavity; Described wind-guiding pressed on ring is the cylindric of hollow, and described wind-guiding pressed on ring and cylindrical shape path body are coaxially arranged, and wind-guiding pressed on ring is fixed on inside body upper end, cylindrical shape path; Under described wind-guiding, ring is the truncated cone-shaped of hollow, and under wind-guiding, wind-guiding pressed on ring lower end is fixed in ring upper end, and under wind-guiding, cylindrical shape path body inwall is fixed in ring lower end; Under described wind-guiding pressed on ring, wind-guiding, ring and cylindrical shape path body surround equivalent pressure cavity, and described air inlet is connected with equivalent pressure cavity; Under described wind-guiding pressed on ring, wind-guiding, ring offers air guide hole; Described tune vane is reverse frustoconic, and under being fixedly installed on wind-guiding below ring; Under described wind-guiding, the angle of cut of ring and horizontal plane is 50 ° ~ 80 °; The angle of cut of described tune vane and horizontal plane is 50 ° ~ 80 °.
Described Zheng Liu mechanism is fixedly installed on axle center place, body top, cylindrical shape path; Zheng Liu mechanism upper periphery arranges spinneret component; Described Zheng Liu mechanism comprises positive fluidization tower, just flows head and positive flow; Described positive fluidization tower is cylindric, and its cross section is circular; Described positive fluidization tower hollow is arranged; Described positive fluidization tower outer wall radial equipartition has positive flow; The cross section of positive flow is radially laid in positive fluidization tower side in angularly radial; Describedly just flow a turbination, and be coaxially arranged at positive fluidization tower bottom.
Described positive flow has 6, and adjacent positive flow angle is 60 °; Described positive flow and the contour setting of positive fluidization tower; Described positive flow is connected with positive fluidization tower spot welding; Described positive fluidization tower and the contour setting of wind-guiding pressed on ring; Describedly just flowing the contour setting of ring under head and wind-guiding; Described positive flow is rectangular sheet; A described hollow that just flowing is arranged, and is wholely set with positive fluidization tower; The described maximum gauge just flowing head is identical with the external diameter of positive fluidization tower; The described outer wall just flowing head is shiny surface; Described positive fluidization tower top is fixedly installed just flows frame; Describedly just flowing the positive fluidization tower clamping of frame; The described frame that just flowing comprises underframe and snap ring; Described underframe is rounded, and described snap ring is the cylindric of hollow, and is integrally formed at underframe bottom center; Described snap ring inwall and positive fluidization tower outer wall fit tightly; The junction chamfering of described snap ring and underframe is arranged.
Described main return air mechanism comprises main backwind tube, main return air ring and master shield; Described main return air collar is located at cylindrical shape path body and is formed main return air chamber with cylindrical shape path body; Described cylindrical shape path body offers main return air inlet; It is outside that described main return air collar is located at main return air inlet, and main return air chamber and main return air inlet are interconnected; Described main backwind tube connects main return air ring and is interconnected with main return air chamber; Described main return air inlet has 3 row at least and annular is distributed in cylindrical shape path body; Described master shield is fixed on the air inlet of main backwind tube and is positioned at main return air chamber;
Described time return air mechanism comprises time backwind tube, secondary return air ring and secondary baffle plate; Described time return air collar is located at cylindrical shape path body and becomes time return air chamber with cylindrical shape path body; Described cylindrical shape path body offers time return air inlet; Described time return air collar is located at time return air inlet outside, and secondary return air chamber is interconnected with time return air inlet; Described time backwind tube connects time return air ring and is interconnected with secondary return air chamber; Described return air inlet has 2 row at least and annular is distributed in cylindrical shape path body; Described time baffle plate is fixed on the air inlet of time backwind tube and is positioned at time return air chamber;
Described end return air mechanism comprises end backwind tube and end return air ring; Return air collar of the described end is located at cylindrical shape path body and is formed return air chamber, the end with cylindrical shape path body; Described cylindrical shape path body offers end return air inlet; It is outside that return air collar of the described end is located at end return air inlet, and return air chamber, the end and end return air inlet are interconnected; Backwind tube of the described end connects end return air ring and is interconnected with return air chamber, the end; Return air inlet of the described end has 3 row at least and annular is distributed in cylindrical shape path body.
A kind of spinning shaft system, also comprises spinning hot air circulating mechanism; Described spinning hot air circulating mechanism comprises first paragraph heat exchanger, second segment heat exchanger, solvent recovery unit, gas reinforcing device, electric heater, the first oxygen sensor and the second oxygen sensor; Described main return air mechanism connects the lower inlet of first paragraph heat exchanger; Described return air mechanism connects the lower inlet of second segment heat exchanger; The lower end outlet of described first paragraph heat exchanger connects second segment heat exchanger lower inlet by the first butterfly valve; The outlet of described second segment heat exchanger lower end connects solvent recovery unit; Circulating fan is established in described solvent recovery unit; Described solvent recovery unit connects end entrance on second segment heat exchanger by the 4th butterfly valve; Described second segment heat exchanger upper end outlet connects end entrance on first paragraph heat exchanger; Described first paragraph heat exchanger upper end outlet connects electric heater; Described electric heater connects upper air inlet mechanism.
Described gas reinforcing device is connected to the upper end entrance of second segment heat exchanger; The porch, upper end of described second segment heat exchanger is equipped with the first oxygen sensor, and exit, second segment heat exchanger lower end is equipped with the second oxygen sensor; Described first paragraph heat exchanger second segment heat exchanger is surface-type heat exchanger.
A kind of spinning shaft system, also comprises spinning hot blast Wai Pai mechanism; Described spinning hot blast Wai Pai mechanism comprises the 3rd section of heat exchanger, exhaust fan and exhaust gas processing device; The lower inlet of described 3rd section of heat exchanger connects end return air mechanism; The lower end outlet of described 3rd section of heat exchanger connects exhaust fan; Described exhaust fan connects exhaust gas processing device; The upper end entrance of described 3rd section of heat exchanger connects solvent recovery unit, and the upper end outlet of described 3rd section of heat exchanger connects the entrance of second segment heat exchanger; The upper end entrance of described 3rd section of heat exchanger is equipped with the 3rd butterfly valve.
This spinning shaft system, while improve the air quantity in path, ensure that the stability of air-flow, last spandex fibre finished product proterties is tended towards stability, decreases product differentiation:
1., by arranging the buffering of air-inlet cavity and equivalent pressure cavity two chambers, ensure that the stability of the hot gas spraying to stoste thread; Air inlet arranges multirow and circumference is distributed in body top, cylindrical shape path, makes incoming air area obtain increase, and increase air quantity, and hot blast is divided with strand stable filling contact, solvent evaporates is even;
2. by arranging Zheng Liu mechanism, regular air-flow, when increasing the flow velocity of air-flow, prevents adjacent hot blast from mutually disturbing, and reduces strand and influences each other, ensure that the stability of side air admission;
3., by arranging main return air mechanism and time return air mechanism, improve the efficiency of return air, and ensure that the stability of return air, air-flow being all consistent at arbitrary cross section, avoiding the winding of tow; The setting of main return air mechanism, increases the hot gas flow area on top, path, adds solvent evaporates speed;
4., by arranging end return air mechanism, solvent is reclaimed comprehensively, not contaminated between spinning silk winding, and end return air mechanism participates in spinning hot air circulation, fully reclaims its heat energy;
5., by arranging spinning hot air circulating mechanism, according to the height of the temperature of main return air and time return air, stagger both initial heat exchanger, improves heat and change efficiency, save energy consumption; And arrange gas reinforcing device, the oxygen content in control path is in safe range;
6. by arranging spinning hot blast Wai Pai mechanism, take full advantage of the heat energy of outer thermal wind exhausting, and externally air draft processes, and meets environmental requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Tu2Shi upper air inlet mechanism and just flowing mechanism structure schematic diagram;
Fig. 3 is just flowing a barrel upward view structural representation;
Fig. 4 is main return fan element structure schematic diagram;
Fig. 5 is main return fan component plan structure schematic diagram;
Fig. 6 is time return fan element structure schematic diagram;
Fig. 7 is end return fan element structure schematic diagram;
In above figure, black arrow represents the direction of air-flow;
In figure: cylindrical shape path body 100, air inlet 101, main return air inlet 102, secondary return air inlet 103, end return air inlet 104, upper air inlet mechanism 200, blast pipe 201, air supplying ring 202, air-inlet cavity 203, wind-guiding pressed on ring 204, ring 205 under wind-guiding, equivalent pressure cavity 206, adjust vane 207, Zheng Liu mechanism 300, positive fluidization tower 301, just flowing 302, positive flow 303, just flowing frame 304, underframe 305, snap ring 306, spinneret component 307, main return air mechanism 400, main backwind tube 401, main return air ring 402, main return air chamber 403, master shield 404, secondary return air mechanism 500, secondary backwind tube 501, secondary return air ring 502, secondary return air chamber 503, secondary baffle plate 504, end return air mechanism 600, end backwind tube 601, end return air ring 602, return air chamber, the end 603, spinning hot air circulating mechanism 700, first paragraph heat exchanger 701, first butterfly valve 702, 4th butterfly valve 703, second butterfly valve 704, second segment heat exchanger 705, solvent recovery unit 706, gas reinforcing device 707, electric heater 708, first oxygen sensor 709, second oxygen sensor 710, spinning hot blast Wai Pai mechanism 800, 3rd section of heat exchanger 801, 3rd butterfly valve 802, exhaust fan 803, exhaust gas processing device 804.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
A kind of spinning shaft system, comprises cylindrical shape path body 100, upper air inlet mechanism 200, Zheng Liu mechanism 300, main return air mechanism 400, secondary return air mechanism 500, end return air mechanism 600, spinning hot air circulating mechanism 700 and spinning hot blast Wai Pai mechanism 800.
Described upper air inlet mechanism 200 and Zheng Liu mechanism 300 are arranged at body 100 top, cylindrical shape path, and upper air inlet mechanism 200 is arranged at Zheng Liu mechanism 300 periphery.Described main return air mechanism 400 to be fixedly installed in the middle part of cylindrical shape path body 100 and between upper air inlet mechanism 200 and secondary return air mechanism 500.Described time return air mechanism 500 is arranged at body 100 bottom, cylindrical shape path and is positioned at above end return air mechanism 600.Described end return air mechanism 600 is arranged at bottom cylindrical shape path body 100.
Described upper air inlet mechanism 200 to comprise under blast pipe 201, air supplying ring 202, wind-guiding pressed on ring 204, wind-guiding ring 205 and adjusts vane 207.
Body 100 top, described cylindrical shape path circumference offers air inlet 101.As preferably, described air inlet 101 has 3 row at least and circumference is distributed in body 100 top, cylindrical shape path.
Described air supplying ring 202 is sheathed on body 100 top, cylindrical shape path and forms air-inlet cavity 203, and air supplying ring 202 is located in air inlet 101 outside, and air-inlet cavity 203 and air inlet 101 are interconnected.Described blast pipe 201 connects air supplying ring 202, and blast pipe 201 is communicated with air-inlet cavity 203.
Described wind-guiding pressed on ring 204 is the cylindric of hollow, and described wind-guiding pressed on ring 204 is coaxially arranged with cylindrical shape path body 100, and wind-guiding pressed on ring 204 is fixed on inside body 100 upper end, cylindrical shape path.The truncated cone-shaped of ring 205 in hollow under described wind-guiding, under wind-guiding, wind-guiding pressed on ring 204 lower end is fixed in ring 205 upper end, and under wind-guiding, cylindrical shape path body 100 inwall is fixed in ring 205 lower end.Under described wind-guiding pressed on ring 204, wind-guiding, ring 205 and cylindrical shape path body 100 surround equivalent pressure cavity 206, and described air inlet 101 is connected with equivalent pressure cavity 206.
Under described wind-guiding pressed on ring 204, wind-guiding, ring 205 offers air guide hole.Described tune vane 207 is reverse frustoconic, and under being fixedly installed on wind-guiding below ring 205.
As preferably, under described wind-guiding, ring 205 is 50 ° ~ 80 ° with the angle of cut of horizontal plane; Described tune vane 207 is 50 ° ~ 80 ° with the angle of cut of horizontal plane.
Hot gas enters air-inlet cavity 203 from blast pipe 201, equivalent pressure cavity 206 is entered again by air inlet 101, then from the air guide hole on ring 205 wind-guiding pressed on ring 204 and wind-guiding with circumferential radial outflow, wind speed is even, while ensure that solvent volatilizees fast, make stoste thread evaporation rate homogeneous, thus ensure that the stability of spandex thread finished product proterties.
Described tune vane 207 suitably have adjusted spandex thread peripheral gas flow direction, impels the further heat exchange of spandex thread and hot-air, reduces spandex thread internal solvent survival rate.
Thermal current is through the buffering of air-inlet cavity 203 and equivalent pressure cavity 206 two chambers, ensure that the stability of the hot gas spraying to stoste thread, while increase wind speed, still can ensure that distribution of air flow is even, avoid because of the uneven interference to tow of wind speed, air-flow all can be consistent at arbitrary cross section, avoid the winding of tow.
Described Zheng Liu mechanism 300 is fixedly installed on axle center place, body 100 top, cylindrical shape path.Zheng Liu mechanism 300 upper periphery arranges spinneret component 307.
Described Zheng Liu mechanism 300, comprises positive fluidization tower 301, just flows 302 and a positive flow 303.
Described positive fluidization tower 301 is in cylindric, and its cross section is circular.As preferably, described positive fluidization tower 301 hollow is arranged, and decreases material usage, alleviates weight of equipment.Described positive fluidization tower 301 outer wall radial equipartition has positive flow 303.The cross section of positive flow 303 is radially laid in positive fluidization tower 301 side in angularly radial.As preferably, described positive flow 303 has 6, and therefore, the angle of adjacent positive flow 303 is 60 °.Certainly, positive flow 303 adopts other quantity to be also applicable, such as 4 or 5.As preferably, described positive flow 303 and the contour setting of positive fluidization tower 301.As more preferably, described positive flow 303 is rectangular sheet.As preferably, described positive flow 303 is connected with the spot welding of positive fluidization tower 301.Described positive fluidization tower 301 and the contour setting of wind-guiding pressed on ring 204.Described just flowing 302 with the contour setting of ring 205 under wind-guiding.
Describedly just flowing 302 in turbination, and be coaxially arranged at positive fluidization tower 301 bottom.As preferably, described 302 hollow that just flowing are arranged, and are wholely set with positive fluidization tower 301.Described just flowing 302 maximum gauge identical with the external diameter of positive fluidization tower 301.A described outer wall just flowing 302 is shiny surface.
Described positive fluidization tower 301 top is fixedly installed just flows frame 304.As preferably, describedly just flowing frame 304 and positive fluidization tower 301 clamping.The described frame 304 that just flowing comprises underframe 305 and snap ring 306.Described underframe 305 is rounded, and described snap ring 306 is the cylindric of hollow, and is integrally formed at underframe 305 bottom center.Described snap ring 306 inwall and positive fluidization tower 301 outer wall fit tightly.Described snap ring 306 is arranged with the junction chamfering of underframe 305, enhances both bonding strengths.
When this Zheng Liu mechanism 300 works, hot blast to radial outflow, thus makes the solvent on spandex tow effectively volatilize fast.This Zheng Liu mechanism 300, by arranging positive flow 303, can effectively guide tow to enter tow towing area, and regular air-flow, when increasing the flow velocity of air-flow, prevent adjacent hot blast from mutually disturbing, make hot-air flow then, finally make the wind containing a large amount of solvent draw from the bottom of Zheng Liu mechanism 300 downwards.Positive flow 303 and just flowing 302 arranging, achieve the function that seal wire and boundling are integrated.
Described main return air mechanism 400 comprises main backwind tube 401, main return air ring 402 and master shield 404.
Described main return air ring 402 is located in cylindrical shape path body 100 and forms main return air chamber 403 with cylindrical shape path body 100.Described cylindrical shape path body 100 offers main return air inlet 102; It is outside that described main return air ring 402 is located in main return air inlet 102, and main return air chamber 403 and main return air inlet 102 are interconnected.Described main backwind tube 401 connects main return air ring 402 and is interconnected with main return air chamber 403.Described main return air inlet 102 has 3 row at least and annular is distributed in cylindrical shape path body 100.Described master shield 404 is fixed on the air inlet of main backwind tube 401 and is positioned at main return air chamber 403.
Hot blast enters main return air chamber 403 by main return air inlet 102, and then enters main backwind tube 401.The setting of the main return air inlet 102 of multirow, and the structure of master shield 404, ensure that increase flow velocity time, the uniformity that air-flow is given vent to anger, air-flow all can be consistent at arbitrary cross section, and thus spandex thread proterties is more stable.
Described time return air mechanism 500 comprises time backwind tube 501, secondary return air ring 502 and secondary baffle plate 504.
Described time return air ring 502 is located in cylindrical shape path body 100 and forms time return air chamber 503 with cylindrical shape path body 100.Described cylindrical shape path body 100 offers time return air inlet 103; Described time return air ring 502 is located in time return air inlet 103 outside, and secondary return air chamber 503 is interconnected with time return air inlet 103.Described time backwind tube 501 connects time return air ring 502 and is interconnected with secondary return air chamber 503.Described return air inlet 103 has 2 row at least and annular is distributed in cylindrical shape path body 100.Described time baffle plate 504 is fixed on the air inlet of time backwind tube 501 and is positioned at time return air chamber 503.
Hot blast enters time return air chamber 503 by time return air inlet 103, and then enters time backwind tube 501.The setting of multirow time return air inlet 103, and the structure of secondary baffle plate 504, ensure that increase flow velocity time, the uniformity that air-flow is given vent to anger, air-flow all can be consistent at arbitrary cross section, and thus spandex thread proterties is more stable.
Described end return air mechanism 600 comprises end backwind tube 601 and end return air ring 602.
Return air ring of the described end 602 is located in cylindrical shape path body 100 and forms return air chamber, the end 603 with cylindrical shape path body 100.Described cylindrical shape path body 100 offers end return air inlet 104; It is outside that return air ring of the described end 602 is located in end return air inlet 104, and return air chamber, the end 603 and end return air inlet 104 are interconnected.Backwind tube of the described end 601 connects end return air ring 602 and is interconnected with return air chamber, the end 603.Return air inlet of the described end 104 has 3 row at least and annular is distributed in cylindrical shape path body 100.
Hot blast enters return air chamber, the end 603 by end return air inlet 104, and then enters end backwind tube 601.The setting of return air inlet 104 at the bottom of multirow, on the one hand, ensure that while increase flow velocity, the uniformity that air-flow is given vent to anger, on the other hand, sucks hot gas bottom path, prevent path internal gas from leaking.
Described spinning hot air circulating mechanism 700 comprises first paragraph heat exchanger 701, second segment heat exchanger 705, solvent recovery unit 706, gas reinforcing device 707, electric heater 708, first oxygen sensor 709 and the second oxygen sensor 710.
Described main backwind tube 401 connects the lower inlet of first paragraph heat exchanger 701; Described backwind tube 501 connects the lower inlet of second segment heat exchanger 705 by the second butterfly valve 704; The lower end outlet of described first paragraph heat exchanger 701 connects second segment heat exchanger 705 lower inlet by the first butterfly valve 702;
The outlet of described second segment heat exchanger 705 lower end connects solvent recovery unit 706.Circulating fan is established in described solvent recovery unit 706.Described solvent recovery unit 706 connects end entrance on second segment heat exchanger 705 by the 4th butterfly valve 703.Described second segment heat exchanger 705 upper end outlet connects end entrance on first paragraph heat exchanger 701; Described first paragraph heat exchanger 701 upper end outlet connects electric heater 708.Described electric heater 708 connects blast pipe 201.
Described gas reinforcing device 707 is connected to the upper end entrance of second segment heat exchanger 705.The porch, upper end of described second segment heat exchanger 705 is equipped with the first oxygen sensor 709, and exit, second segment heat exchanger 705 lower end is equipped with the second oxygen sensor 710.Gas reinforcing device 707 is in order to produce nitrogen.When the first oxygen sensor 709 detects that in circulated air, oxygen content is higher than certain value, such as oxygen content is higher than 7%, so gas reinforcing device 707 action, to cylindrical shape path body 100 nitrogen injection, to reduce the oxygen content in cylindrical shape path body 100, it is made to maintain in safe range.The setting of the second oxygen sensor 710, in order to detect the oxygen content after the backflow of path in hot gas, and coordinates the first oxygen sensor 709 to judge the duty of whole system, is convenient to the maintenance of system.
Described first paragraph heat exchanger 701 and second segment heat exchanger 705 are surface-type heat exchanger, and hot blast and cold wind are by metallic conduit transferring heat.
When from main backwind tube 401 hot gas out, temperature can be adjusted to about 220 DEG C, after first paragraph heat exchanger 701, temperature can be adjusted to about 150 DEG C, then by after second segment heat exchanger 705, temperature can be adjusted to about 65 DEG C, then by solvent recovery unit 706, DMAC is reclaimed in cooling.
When from secondary backwind tube 501 hot gas out, temperature is about 160 DEG C, and after second segment heat exchanger 705, temperature can be adjusted to 65 DEG C, then by solvent recovery unit 706, DMAC is reclaimed in cooling.
The setting of the first butterfly valve 702 and the second butterfly valve 704, in order to regulate and distribute hot air flow.
About solvent recovery unit 706 refrigerating gas to 2 DEG C, and the DMAC reclaimed wherein, then gas is by after second segment heat exchanger 705, temperature can regulate at about 110 DEG C, then by after first paragraph heat exchanger 701, temperature can regulate at about 186 DEG C, finally by electric heater 708, temperature is risen to about 400 DEG C, imports cylindrical shape path body 100.
This device arranges main return air mechanism 400 and time return air mechanism 500, with when increasing wind speed, improves the efficiency of return air, and the height of temperature according to upper and lower two-stage return air, the connection of the heat exchanger that staggers, changes efficiency with the heat improving heat exchanger.Because the hot blast temperature of main return air mechanism 400 is higher than the hot blast temperature of secondary return air mechanism 500, last heat exchanger when the first paragraph heat exchanger 701 be connected with main return air mechanism 400 is given vent to anger as spinning hot air circulating mechanism 700, to improve air outlet temperature further, carry high heat transfer efficiency.
Described spinning hot blast Wai Pai mechanism 800 comprises the 3rd section of heat exchanger 801, exhaust fan 803 and exhaust gas processing device 804.The lower inlet of described 3rd section of heat exchanger 801 connects end backwind tube 601; The lower end outlet of described 3rd section of heat exchanger 801 connects exhaust fan 803.Described exhaust fan 803 connects exhaust gas processing device 804.The upper end entrance of described 3rd section of heat exchanger 801 connects solvent recovery unit 706, and the upper end outlet of described 3rd section of heat exchanger 801 connects the entrance of second segment heat exchanger 705.The upper end entrance of described 3rd section of heat exchanger 801 is equipped with the 3rd butterfly valve 802.The temperature of the upper end arrival end of the 3rd section of heat exchanger 801 is at about 2 DEG C, and the temperature of the 3rd section of heat exchanger 801 upper end outlet end can be adjusted to about 25 DEG C.
The temperature at end backwind tube 601 place is at about 120 DEG C, and hot gas is after the 3rd section of heat exchanger 801, and temperature can be adjusted to about 30 DEG C, under the effect of exhaust fan 803, and outer row after the DMAC that exhaust gas processing device 804 is removed wherein.The gas that spinning hot blast Wai Pai mechanism 800 absorbs not only comprises the hot gas of inside, path, also comprises the extraneous air entered bottom path.The setting of spinning hot blast Wai Pai mechanism 800, in order to prevent extraneous air on the impact of path upper gas.
Said temperature data are only explanation operation principle, and real data fluctuates within the specific limits according to the opening and closing of valve.
The present invention is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technical scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection scope of the present invention.
Claims (8)
1. a spinning shaft system, is characterized in that, comprises cylindrical shape path body (100), upper air inlet mechanism (200), Zheng Liu mechanism (300), main return air mechanism (400), secondary return air mechanism (500) and end return air mechanism (600); Described upper air inlet mechanism (200) and Zheng Liu mechanism (300) are arranged at body (100) top, cylindrical shape path, and upper air inlet mechanism (200) is arranged at Zheng Liu mechanism (300) periphery; Described main return air mechanism (400) is fixedly installed on middle part, cylindrical shape path body (100) and is positioned between upper air inlet mechanism (200) and time return air mechanism (500); Described time return air mechanism (500) is arranged at body (100) bottom, cylindrical shape path and is positioned at top, end return air mechanism (600); Described end return air mechanism (600) is arranged at bottom, cylindrical shape path body (100).
2. a kind of spinning shaft system as claimed in claim 1, is characterized in that, described upper air inlet mechanism (200) to comprise under blast pipe (201), air supplying ring (202), wind-guiding pressed on ring (204), wind-guiding ring (205) and adjusts vane (207); Body (100) top, described cylindrical shape path circumference offers air inlet (101); Described air inlet (101) has 3 row at least and circumference is distributed in body (100) top, cylindrical shape path; Described air supplying ring (202) is sheathed on body (100) top, cylindrical shape path and forms air-inlet cavity (203), and air supplying ring (202) is located in air inlet (101) outside, and air-inlet cavity (203) and air inlet (101) are interconnected; Described blast pipe (201) connects air supplying ring (202), and blast pipe (201) is communicated with air-inlet cavity (203); Cylindric in hollow of described wind-guiding pressed on ring (204), described wind-guiding pressed on ring (204) and cylindrical shape path body (100) are coaxially arranged, and wind-guiding pressed on ring (204) is fixed on inside body (100) upper end, cylindrical shape path; Ring (205) truncated cone-shaped in hollow under described wind-guiding, under wind-guiding, wind-guiding pressed on ring (204) lower end is fixed in ring (205) upper end, and under wind-guiding, cylindrical shape path body (100) inwall is fixed in ring (205) lower end; Under described wind-guiding pressed on ring (204), wind-guiding, ring (205) and cylindrical shape path body (100) surround equivalent pressure cavity (206), and described air inlet (101) is connected with equivalent pressure cavity (206); Under described wind-guiding pressed on ring (204), wind-guiding, ring (205) offers air guide hole; Described tune vane (207) is in reverse frustoconic, and ring (205) below under being fixedly installed on wind-guiding; Under described wind-guiding, ring (205) is 50 ° ~ 80 ° with the angle of cut of horizontal plane; Described tune vane (207) is 50 ° ~ 80 ° with the angle of cut of horizontal plane.
3. a kind of spinning shaft system as claimed in claim 2, is characterized in that, described Zheng Liu mechanism (300) is fixedly installed on body (100) axle center, top, cylindrical shape path place; Zheng Liu mechanism (300) upper periphery arranges spinneret component (307); Described Zheng Liu mechanism (300) comprises positive fluidization tower (301), just flows head (302) and positive flow (303); Described positive fluidization tower (301) is in cylindric, and its cross section is circular; Described positive fluidization tower (301) hollow is arranged; Described positive fluidization tower (301) outer wall radial equipartition has positive flow (303); The cross section of positive flow (303) is radially laid in positive fluidization tower (301) side in angularly radial; The described head (302) that just flowing in turbination, and is coaxially arranged at positive fluidization tower (301) bottom.
4. a kind of spinning shaft system as claimed in claim 3, is characterized in that, described positive flow (303) has 6, and the angle of adjacent positive flow (303) is 60 °; Described positive flow (303) and positive fluidization tower (301) contour setting; Described positive flow (303) is connected with positive fluidization tower (301) spot welding; Described positive fluidization tower (301) and wind-guiding pressed on ring (204) contour setting; Describedly just flowing ring (205) contour setting under head (302) and wind-guiding; Described positive flow (303) is rectangular sheet; Described head (302) hollow that just flowing is arranged, and is wholely set with positive fluidization tower (301); The described maximum gauge just flowing head (302) is identical with the external diameter of positive fluidization tower (301); The described outer wall just flowing head (302) is shiny surface; Described positive fluidization tower (301) top is fixedly installed just flows frame (304); Describedly just flowing frame (304) and positive fluidization tower (301) clamping; The described frame (304) that just flowing comprises underframe (305) and snap ring (306); Described underframe (305) is rounded, cylindric in hollow of described snap ring (306), and is integrally formed at underframe (305) bottom center; Described snap ring (306) inwall and positive fluidization tower (301) outer wall fit tightly; Described snap ring (306) is arranged with the junction chamfering of underframe (305).
5. a kind of spinning shaft system as claimed in claim 1, is characterized in that, described main return air mechanism (400) comprises main backwind tube (401), main return air ring (402) and master shield (404); Described main return air ring (402) is located in cylindrical shape path body (100) and forms main return air chamber (403) with cylindrical shape path body (100); Described cylindrical shape path body (100) offers main return air inlet (102); It is outside that described main return air ring (402) is located in main return air inlet (102), and main return air chamber (403) and main return air inlet (102) are interconnected; Described main backwind tube (401) connects main return air ring (402) and is interconnected with main return air chamber (403); Described main return air inlet (102) has 3 row at least and annular is distributed in cylindrical shape path body (100); Described master shield (404) is fixed on the air inlet of main backwind tube (401) and is positioned at main return air chamber (403);
Described time return air mechanism (500) comprises time backwind tube (501), secondary return air ring (502) and time baffle plate (504); Described time return air ring (502) is located in cylindrical shape path body (100) and forms time return air chamber (503) with cylindrical shape path body (100); Described cylindrical shape path body (100) offers time return air inlet (103); Described time return air ring (502) is located in time return air inlet (103) outside, and secondary return air chamber (503) is interconnected with time return air inlet (103); Described time backwind tube (501) connects time return air ring (502) and is interconnected with secondary return air chamber (503); Described return air inlet (103) has 2 row at least and annular is distributed in cylindrical shape path body (100); Described time baffle plate (504) is fixed on the air inlet of time backwind tube (501) and is positioned at time return air chamber (503);
Described end return air mechanism (600) comprises end backwind tube (601) and end return air ring (602); Described end return air ring (602) is located in cylindrical shape path body (100) and forms return air chamber, the end (603) with cylindrical shape path body (100); Described cylindrical shape path body (100) offers end return air inlet (104); It is outside that described end return air ring (602) is located in end return air inlet (104), and return air chamber, the end (603) and end return air inlet (104) are interconnected; Backwind tube of the described end (601), connects end return air ring (602) and is interconnected with return air chamber, the end (603); Return air inlet of the described end (104), has 3 row at least and annular is distributed in cylindrical shape path body (100).
6. a kind of spinning shaft system as claimed in claim 1, is characterized in that, also comprises spinning hot air circulating mechanism (700); Described spinning hot air circulating mechanism (700) comprises first paragraph heat exchanger (701), second segment heat exchanger (705), solvent recovery unit (706), gas reinforcing device (707), electric heater (708), the first oxygen sensor (709) and the second oxygen sensor (710); Described main return air mechanism (400) connects the lower inlet of first paragraph heat exchanger (701); Described return air mechanism (500) connects the lower inlet of second segment heat exchanger (705); The lower end outlet of described first paragraph heat exchanger (701) connects second segment heat exchanger (705) lower inlet by the first butterfly valve (702); The outlet of described second segment heat exchanger (705) lower end connects solvent recovery unit (706); Described solvent recovery unit establishes circulating fan in (706); Described solvent recovery unit (706) connects the upper end entrance of second segment heat exchanger (705) by the 4th butterfly valve (703); Described second segment heat exchanger (705) upper end outlet connects the upper end entrance of first paragraph heat exchanger (701); Described first paragraph heat exchanger (701) upper end outlet connects electric heater (708); Described electric heater (708) connects upper air inlet mechanism (200).
7. a kind of spinning shaft system as claimed in claim 6, is characterized in that, described gas reinforcing device (707) is connected to the upper end entrance of second segment heat exchanger (705); The porch, upper end of described second segment heat exchanger (705) is equipped with the first oxygen sensor (709), and second segment heat exchanger (705) exit, lower end is equipped with the second oxygen sensor (710); Described first paragraph heat exchanger (701) and second segment heat exchanger (705) are surface-type heat exchanger.
8. a kind of spinning shaft system as claimed in claim 6, is characterized in that, also comprises spinning hot blast Wai Pai mechanism (800); Described spinning hot blast Wai Pai mechanism (800) comprises the 3rd section of heat exchanger (801), exhaust fan (803) and exhaust gas processing device (804); The lower inlet of described 3rd section of heat exchanger (801) connects end return air mechanism (600); The lower end outlet of described 3rd section of heat exchanger (801) connects exhaust fan (803); Described exhaust fan (803) connects exhaust gas processing device (804); The upper end entrance of described 3rd section of heat exchanger (801) connects solvent recovery unit (706), and the upper end outlet of described 3rd section of heat exchanger (801) connects the entrance of second segment heat exchanger (705); The upper end entrance of described 3rd section of heat exchanger (801) is equipped with the 3rd butterfly valve (802).
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| CN105040131B (en) | 2017-05-31 |
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