CN104294381A - Melt direct spinning cationic spinning box online cleaning device - Google Patents
Melt direct spinning cationic spinning box online cleaning device Download PDFInfo
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- CN104294381A CN104294381A CN201410559750.2A CN201410559750A CN104294381A CN 104294381 A CN104294381 A CN 104294381A CN 201410559750 A CN201410559750 A CN 201410559750A CN 104294381 A CN104294381 A CN 104294381A
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- communicated
- melt
- boiler
- arranges
- melt arm
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/04—Cleaning spinnerettes or other parts of the spinnerette packs
Abstract
The invention relates to a melt direct spinning cationic spinning box online cleaning device comprising heating solvent for a boiler. The inlet of a centrifugal pump is communicated with the boiler through a pipeline; a first connecting component comprises a first joint seat; the first joint seat is communicated with the other end of a first connecting ring in a screwed manner, a first joint pipe is communicated with and fixed to the first joint seat, one end of a first hose is communicated with and fixed to the first joint pipe through a clamp, and the other end of the first hose is communicated with the output end of the centrifugal pump; a second connecting component and an auxiliary shunt component are fixedly connected to a metering pump seat, the auxiliary shunt component is provided with a first opening and a plurality of second openings, a first melt branch pipe is fixedly connected to the first opening, and the other ends of a plurality of second melt branch pipes are communicated with the auxiliary shunt component through the second openings. The device is capable of removing residuals or coke attached to the inner wall of the melt pipes of a spinning box effectively without production line shutdown.
Description
Technical field
The present invention relates to chemical fiber field, particularly a kind of on-line cleaning device of fused mass directly spinning CATION spinning manifold.
Background technology
In CATION POY/FDY produces, the cation copolymer in melt can remain in spinning manifold melt pipe wall gradually, affects the flowing of melt in pipeline, increases spining melt pressure and falls and the time of staying.Need regularly (about 1 year) to be cleaned melt pipe in casing for this reason.Current main wash mode is stopped by production line, from 310 DEG C of high-temperature solvents (triethylene glycol) after measuring pump interface injection heating, stay for some time, catch at filament spinning component link container, injected by measuring pump interface again, single scavenging period 8-12h.So three to four times repeatedly, can clean up.Because each box house measuring pump is connected to assembly by 8-12 root melt arm, the method wastes time and energy, and is difficult to ensure to clean up each melt arm.
Summary of the invention
For solving the problem, the invention provides a kind of residue or the coking that effectively can remove melt arm group inwall attachment in spinning manifold, the on-line cleaning device producing the fused mass directly spinning CATION spinning manifold that line does not stop production can be ensured simultaneously.
The invention provides a kind of on-line cleaning device of fused mass directly spinning CATION spinning manifold, for the removing of melt arm group inwall coking in spinning manifold; Described melt arm group comprises: the first melt arm and multiple second melt arm; Described spinning manifold inside arranges the first assembly chamber and multiple second assembly chamber; Described first assembly chamber arranges the first connecting ring; One end of described first melt arm is communicated with one end of described first connecting ring; Described multiple second assembly chamber arranges multiple second connecting ring respectively; Described multiple second melt arm is communicated with one end of described multiple second connecting ring respectively; Described on-line cleaning device comprises:
Boiler, described boiler is used for the solvent that heating energy removes coking;
Centrifugal pump, the entrance of described centrifugal pump is communicated with described boiler by pipeline, for pressurizeing and carrying described solvent;
First coupling assembling, described first coupling assembling comprises:
First plinth, described first plinth inside arranges the first through hole; Described first via top arranges internal thread; Described first connecting ring arranges external screw thread; Described first plinth is communicated with by the other end of threaded engagement with described first connecting ring;
First junction block, described first junction block is communicated with fixing with described first plinth;
First flexible pipe, one end of described first flexible pipe is communicated with fixing by clip with described first junction block; The other end of described first flexible pipe is communicated with described centrifugal delivery side of pump;
Multiple second coupling assembling, described second coupling assembling comprises:
Second plinth, described second plinth inside arranges the second through hole; Described second via top arranges internal thread; Described second connecting ring arranges external screw thread; Described second plinth is communicated with by the other end of threaded engagement with described second connecting ring;
Second junction block, described second junction block is communicated with fixing with described second plinth;
Second flexible pipe, one end of described second flexible pipe is communicated with fixing by clip with described second junction block; The other end of described second flexible pipe is communicated with described boiler;
Auxiliary separating stream unit, arranges metering pump seat in described spinning manifold; Described auxiliary separating stream unit and described metering pump seat are connected; Cavity is offered in described auxiliary separating stream unit inside; Described auxiliary separating stream unit arranges the first perforate and multiple second perforate; Described first melt arm is communicated with described first perforate; The other end of described multiple second melt arm is communicated with described auxiliary separating stream unit respectively by described multiple second perforate;
Wherein, described centrifugal pump is communicated with described first melt arm by described first coupling assembling; The described solvent of heating is sent into described first melt arm by described centrifugal pump by described boiler, and then flow in the cavity of described auxiliary separating stream unit, enter in described multiple second melt arm by described multiple second perforate, described multiple second melt arm is communicated with described boiler respectively by described multiple second coupling assembling, therefore, described solvent flows back to described boiler by described multiple second melt arm, forms described solvent circulating in described on-line cleaning device.
As preferably, described boiler internal arranges electrically heated rod, by described electrically heated rod to described solvothermal;
Described boiler bottom arranges roller, facilitates the movement of described boiler.
As preferably, described on-line cleaning device also comprises:
First stop valve, described first stop valve is arranged on described centrifugal delivery side of pump, controls opening or closing of described first flexible pipe;
Multiple second stop valve, described multiple second stop valve respectively correspondence is arranged on described multiple second flexible pipe, controls opening or closing of described multiple second flexible pipe.
As preferably, described solvent is triethylene glycol.
As preferably, described auxiliary separating stream unit is circular slab; Described circular slab inside arranges closed toroidal cavity; Described toroidal cavity is arranged the first perforate and multiple second perforate; Described circular slab is communicated with described first melt arm by described first perforate; Described circular slab is communicated with described multiple second melt arm by described multiple second perforate is corresponding respectively;
Described circular slab is connected in described metering pump seat by screw.
The on-line cleaning device of a kind of fused mass directly spinning CATION spinning manifold provided by the invention is by arranging the structure of boiler, centrifugal pump, the first coupling assembling, auxiliary separating stream unit and multiple second coupling assembling, and centrifugal pump is communicated with the first melt arm by the first coupling assembling, high-temperature solvent after heating is sent into the first melt arm by centrifugal pump by boiler, and then flow through measuring pump and enter in the cavity of auxiliary separating stream unit, enter in multiple second melt arm by multiple second perforate, multiple second melt arm is communicated with boiler respectively by multiple second coupling assembling, therefore, solvent flows back to boiler by multiple second melt arm, form high-temperature solvent the circulating in this on-line cleaning device after heating, high-temperature solvent flows in device by the pressurization of centrifugal pump is continuous afterwards, can the effectively residue of the first melt branch pipe wall and multiple second melt branch pipe wall attachment in dissolving spinning casing or coking, and make it to flow out with high-temperature solvent, residue in guarantee spinning manifold or coking are removed efficiently.This on-line cleaning device can realize cleaning separately on straight spinning production line, do not affect other spinning threadlings to produce, high-temperature solvent forms the fluid path of closed circulation at the first melt arm to be cleaned and multiple second melt arm, centrifugal pump can control cleaning pressure and the scavenging period of high-temperature solvent, greatly can improve CATION and directly spins the business efficiency of production and improve the cleaning performance of spinning manifold.
Accompanying drawing explanation
The structure of the on-line cleaning device of the fused mass directly spinning CATION spinning manifold that Fig. 1 provides for the embodiment of the present invention is always schemed.
The structural representation of the first coupling assembling in the on-line cleaning device of the fused mass directly spinning CATION spinning manifold that Fig. 2 provides for the embodiment of the present invention.
The left view of auxiliary separating stream unit in the on-line cleaning device of the fused mass directly spinning CATION spinning manifold that Fig. 3 provides for the embodiment of the present invention.
The front view of auxiliary separating stream unit in the on-line cleaning device of the fused mass directly spinning CATION spinning manifold that Fig. 4 provides for the embodiment of the present invention.
(in diagram, the parts of each label representative are followed successively by: 1 spinning manifold, 2 first melt arms, 3 second melt arms, 4 first coupling assemblings, 5 first flexible pipes, 6 first stop valves, 7 centrifugal pumps, 8 auxiliary separating stream units, 9 metering pump seats, 10 first assembly chambeies, 11 second coupling assemblings, 12 second assembly chambeies, 13 second flexible pipes, 14 boilers, 15 second stop valves, 16 rollers, 17 first plinths, 18 first pipe joints, 19 clips, 20 cavitys, 21 screws)
Detailed description of the invention
See accompanying drawing 1 ~ 4, the invention provides a kind of on-line cleaning device of fused mass directly spinning CATION spinning manifold, for the removing of melt arm group inwall coking in spinning manifold 1; Melt arm group comprises: the first melt arm 2 and multiple second melt arm 3; Spinning manifold 1 inside arranges the first assembly chamber 10 and multiple second assembly chamber 12; First assembly chamber 10 arranges the first connecting ring; One end of first melt arm 2 is communicated with one end of the first connecting ring; Multiple second assembly chamber 12 arranges multiple second connecting ring respectively; Multiple second melt arm 3 is communicated with one end of multiple second connecting ring respectively; As a kind of preferred embodiment, spinning manifold 1 comprises 10,1 the first melt arm in 1 the first assembly chamber, 2,1 the first connecting ring, 12,7 the second melt arms 3 in 7 the second assembly chambeies and 7 the second connecting rings, and this on-line cleaning device comprises:
Boiler 14, boiler 14 removes the solvent of coking for heating energy; As a kind of preferred embodiment, solvent is triethylene glycol, and boiler 14 inside arranges electrically heated rod, by electrically heated rod to solvothermal; Triethylene glycol is heated to 310 DEG C by this boiler 14.Roller 16 is set bottom boiler 14, facilitate the movement of boiler 14, when needing to use this on-line cleaning device to clean spinning manifold 1, boiler 14 is pushed to and produces on line, on-line cleaning device and spinning manifold 1 are assembled, complete the preparation of the front equipment of cleaning, roller 16 can save the labour intensity of operating personnel, lifting means dismounting efficiency.
Centrifugal pump 7, the entrance of centrifugal pump 7 is communicated with boiler 14 by pipeline, for pressurization and delivery solvent; Centrifugal pump 7 can control cleaning pressure and the scavenging period of high-temperature solvent, greatly can improve CATION and directly spins the business efficiency of production and improve the cleaning performance of spinning manifold 1.
See accompanying drawing 2, the first coupling assembling 4, first coupling assembling 4 comprises: the first plinth 17, first plinth 17 inside arranges the first through hole; First via top arranges internal thread; First connecting ring arranges external screw thread; First plinth 17 is communicated with by the other end of threaded engagement with the first connecting ring; Such first melt arm 2 and the first connecting ring and the first plinth 17 form path.
First junction block 18, first junction block 18 is communicated with fixing with the first plinth 17; One end of first flexible pipe 5, first flexible pipe 5 is communicated with fixing with the first junction block 17 by clip 19; One end of first flexible pipe 5 is enclosed within the end of the first junction block 18, and the connecting portion of the first flexible pipe 5 and the first junction block 18 is locked by clip 19.The other end of the first flexible pipe 5 is communicated with the output of centrifugal pump 7.
Multiple second coupling assembling 11, second coupling assembling 11 comprises: the second plinth, and the second plinth inside arranges the second through hole; Second via top arranges internal thread; Second connecting ring arranges external screw thread; Second plinth is communicated with by the other end of threaded engagement with the second connecting ring; Multiple like this second melt arm 3 forms path with multiple second connecting ring and multiple second plinth respectively.
Second junction block, the second junction block is communicated with fixing with the second plinth; One end of second flexible pipe 13, second flexible pipe 13 is communicated with fixing by clip with the second junction block; One end of second flexible pipe 13 is enclosed within the end of the second junction block, and the connecting portion of the second flexible pipe 13 and the second junction block is locked by clip.The other end of multiple second flexible pipe 13 is communicated with boiler 14 respectively.
Wherein, as a kind of preferred embodiment, comprise 7 the second coupling assemblings, 11,7 the second coupling assemblings 11 difference correspondences and be communicated with 7 the second melt arms 13 and 7 the second connecting rings.
Auxiliary separating stream unit 8, arranges metering pump seat 9 in spinning manifold 1, auxiliary separating stream unit 8 is connected and measures pump seat 9; Cavity 20 is offered in auxiliary separating stream unit 8 inside; Auxiliary separating stream unit 8 arranges the first perforate and multiple second perforate; First melt arm 2 and the first perforate are connected; The other end of multiple second melt arm 3 is communicated with auxiliary separating stream unit 8 respectively by multiple second perforate; High-temperature solvent is sent from the first melt arm 2 output, is entered the cavity 20 of auxiliary separating stream unit 8 inside by the first perforate, and then high-temperature solvent enters corresponding multiple second melt arms 3 inside respectively by multiple second perforate.As a kind of preferred embodiment, comprise 7 the second perforates, 7 the second melt arms 3 are connected in 7 the second perforates respectively.
Wherein, centrifugal pump 7 is communicated with the first melt arm 2 by the first coupling assembling 4, the solvent of heating is sent into the first melt arm 2 by centrifugal pump 7 by boiler 14, and then flow in the cavity 20 of auxiliary separating stream unit 8, enter in multiple second melt arm 3 by multiple second perforate, multiple second melt arm 3 is communicated with boiler 14 respectively by multiple second coupling assembling 11, therefore, solvent flows back to boiler 14 by multiple second melt arm 3, form solvent circulating in this on-line cleaning device, high-temperature solvent flows in device by the pressurization of centrifugal pump 7 is continuous afterwards, can the effectively residue of the first melt arm 2 inwall and multiple second melt arm 3 inwall attachment in dissolving spinning casing 1 or coking, and make it to flow out with high-temperature solvent, residue in guarantee spinning manifold 1 or coking are removed efficiently.Meanwhile, the high-temperature solvent closed circuit formed due to this device and other equipment of the straight spinning production line of CATION are independently, can realize cleaning separately on straight spinning production line, do not affect other spinning threadlings and produce.
As preferably, on-line cleaning device also comprises:
First stop valve 6, first stop valve 6 is arranged on the output of centrifugal pump 7, controls opening or closing of the first flexible pipe 5; After the cleaning of this on-line cleaning device, centrifugal pump 7 quits work, and cuts off the first stop valve 6, stops the circulation of high-temperature solvent in the first flexible pipe 5, produces the ready work of line for dismantling this on-line cleaning device and shifting out spinning.
Multiple second stop valve 15, multiple second stop valve 15 respectively correspondence is arranged on multiple second flexible pipe 13, controls opening or closing of multiple second flexible pipe 13.As a kind of preferred embodiment, comprise 7 the second stop valves 15,7 the second stop valves 15 are separately positioned on 7 the second flexible pipes 13, the turnover of high-temperature solvent can be controlled separately, and the high-temperature solvent pressure of flowing can be controlled separately in each second melt arm 3, guarantee to the first melt arm 2 inwall and every root second melt arm 3 inner wall washing clean.
See accompanying drawing 3 and 4, as preferably, auxiliary separating stream unit 8 is circular slab; Circular slab inside arranges closed toroidal cavity 20; Toroidal cavity 20 is arranged the first perforate and multiple second perforate; Circular slab is communicated with the first melt arm 2 by the first perforate; Circular slab is communicated with multiple second melt arm 3 by multiple second perforate is corresponding respectively; Circular slab is connected by screw 21 and measures pump seat 9.
The on-line cleaning device of a kind of fused mass directly spinning CATION spinning manifold 1 provided by the invention is by arranging the structure of boiler 14, centrifugal pump 7, first coupling assembling 4, auxiliary separating stream unit 8 and multiple second coupling assembling 11, and centrifugal pump 7 is communicated with the first melt arm 2 by the first coupling assembling 4, high-temperature solvent after heating is sent into the first melt arm 2 by centrifugal pump 7 by boiler 14, and then flow in the cavity 20 of auxiliary separating stream unit 8, enter in multiple second melt arm 3 by multiple second perforate, multiple second melt arm 3 is communicated with boiler 14 respectively by multiple second coupling assembling 11, therefore, solvent flows back to boiler 14 by multiple second melt arm 3, form high-temperature solvent the circulating in this on-line cleaning device after heating, high-temperature solvent flows in device by the pressurization of centrifugal pump 7 is continuous afterwards, can the effectively residue of the first melt arm 2 inwall and multiple second melt arm 3 inwall attachment in dissolving spinning casing 1 or coking, and make it to flow out with high-temperature solvent, residue in guarantee spinning manifold 1 or coking are removed efficiently.This on-line cleaning device can realize cleaning separately on straight spinning production line, do not affect other spinning threadlings to produce, high-temperature solvent forms the fluid path of closed circulation at the first melt arm 2 to be cleaned and multiple second melt arm 3, centrifugal pump 7 can control cleaning pressure and the scavenging period of high-temperature solvent, greatly can improve CATION and directly spins the business efficiency of production and improve the cleaning performance of spinning manifold 1.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an on-line cleaning device for fused mass directly spinning CATION spinning manifold, for the removing of melt arm group inwall coking in spinning manifold; Described melt arm group comprises: the first melt arm and multiple second melt arm; Described spinning manifold inside arranges the first assembly chamber and multiple second assembly chamber; Described first assembly chamber arranges the first connecting ring; One end of described first melt arm is communicated with one end of described first connecting ring; Described multiple second assembly chamber arranges multiple second connecting ring respectively; Described multiple second melt arm is communicated with one end of described multiple second connecting ring respectively; It is characterized in that, comprising:
Boiler, described boiler is used for the solvent that heating energy removes coking;
Centrifugal pump, the entrance of described centrifugal pump is communicated with described boiler by pipeline, for pressurizeing and carrying described solvent;
First coupling assembling, described first coupling assembling comprises:
First plinth, described first plinth inside arranges the first through hole; Described first via top arranges internal thread; Described first connecting ring arranges external screw thread; Described first plinth is communicated with by the other end of threaded engagement with described first connecting ring;
First junction block, described first junction block is communicated with fixing with described first plinth;
First flexible pipe, one end of described first flexible pipe is communicated with fixing by clip with described first junction block; The other end of described first flexible pipe is communicated with described centrifugal delivery side of pump;
Multiple second coupling assembling, described second coupling assembling comprises:
Second plinth, described second plinth inside arranges the second through hole; Described second via top arranges internal thread; Described second connecting ring arranges external screw thread; Described second plinth is communicated with by the other end of threaded engagement with described second connecting ring;
Second junction block, described second junction block is communicated with fixing with described second plinth;
Second flexible pipe, one end of described second flexible pipe is communicated with fixing by clip with described second junction block; The other end of described second flexible pipe is communicated with described boiler;
Auxiliary separating stream unit, arranges metering pump seat in described spinning manifold; Described auxiliary separating stream unit and described metering pump seat are connected; Cavity is offered in described auxiliary separating stream unit inside; Described auxiliary separating stream unit arranges the first perforate and multiple second perforate; Described first melt arm is communicated with described first perforate; The other end of described multiple second melt arm is communicated with described auxiliary separating stream unit respectively by described multiple second perforate;
Wherein, described centrifugal pump is communicated with described first melt arm by described first coupling assembling; The described solvent of heating is sent into described first melt arm by described centrifugal pump by described boiler, and then flow in the cavity of described auxiliary separating stream unit, enter in described multiple second melt arm by described multiple second perforate, described multiple second melt arm is communicated with described boiler respectively by described multiple second coupling assembling, therefore, described solvent flows back to described boiler by described multiple second melt arm, forms described solvent circulating in described on-line cleaning device.
2. on-line cleaning device according to claim 1, is characterized in that:
Described boiler internal arranges electrically heated rod, by described electrically heated rod to described solvothermal;
Described boiler bottom arranges roller, facilitates the movement of described boiler.
3. on-line cleaning device according to claim 1, is characterized in that, described on-line cleaning device also comprises:
First stop valve, described first stop valve is arranged on described centrifugal delivery side of pump, controls opening or closing of described first flexible pipe;
Multiple second stop valve, described multiple second stop valve respectively correspondence is arranged on described multiple second flexible pipe, controls opening or closing of described multiple second flexible pipe.
4. on-line cleaning device according to claim 1, is characterized in that:
Described solvent is triethylene glycol.
5. on-line cleaning device according to claim 1, is characterized in that:
Described auxiliary separating stream unit is circular slab; Described circular slab inside arranges closed toroidal cavity; Described toroidal cavity is arranged the first perforate and multiple second perforate; Described circular slab is communicated with described first melt arm by described first perforate; Described circular slab is communicated with described multiple second melt arm by described multiple second perforate is corresponding respectively;
Described circular slab is connected in described metering pump seat by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559750.2A CN104294381B (en) | 2014-10-20 | A kind of on-line cleaning device of fused mass directly spinning cation spinning manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559750.2A CN104294381B (en) | 2014-10-20 | A kind of on-line cleaning device of fused mass directly spinning cation spinning manifold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104294381A true CN104294381A (en) | 2015-01-21 |
| CN104294381B CN104294381B (en) | 2017-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671653A (en) * | 2016-04-07 | 2016-06-15 | 天津华清健坤膜科技有限公司 | Hollow fiber spinning nozzle or spinning plate washing device and application method |
| CN109078942A (en) * | 2018-08-22 | 2018-12-25 | 中船广西船舶及海洋工程有限公司 | A kind of marine boiler water cavity cleaning device |
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| DD215590A1 (en) * | 1983-05-24 | 1984-11-14 | Schwarza Chemiefaser | DEVICE FOR CLEANING SPIN FACILITIES |
| JPS63282305A (en) * | 1987-05-13 | 1988-11-18 | Kasen Nozuru Seisakusho:Kk | Method for removing attached resin from metallic part |
| JP2010104903A (en) * | 2008-10-30 | 2010-05-13 | Teikoku Electric Mfg Co Ltd | Cleansing apparatus and cleansing method |
| CN103952776A (en) * | 2014-04-25 | 2014-07-30 | 张家港锦亿化纤有限公司 | Spinning component hydrolysis washing device and washing method thereof |
| CN204401154U (en) * | 2014-10-20 | 2015-06-17 | 北京中丽制机工程技术有限公司 | A kind of on-line cleaning device of fused mass directly spinning CATION spinning manifold |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD215590A1 (en) * | 1983-05-24 | 1984-11-14 | Schwarza Chemiefaser | DEVICE FOR CLEANING SPIN FACILITIES |
| JPS63282305A (en) * | 1987-05-13 | 1988-11-18 | Kasen Nozuru Seisakusho:Kk | Method for removing attached resin from metallic part |
| JP2010104903A (en) * | 2008-10-30 | 2010-05-13 | Teikoku Electric Mfg Co Ltd | Cleansing apparatus and cleansing method |
| CN103952776A (en) * | 2014-04-25 | 2014-07-30 | 张家港锦亿化纤有限公司 | Spinning component hydrolysis washing device and washing method thereof |
| CN204401154U (en) * | 2014-10-20 | 2015-06-17 | 北京中丽制机工程技术有限公司 | A kind of on-line cleaning device of fused mass directly spinning CATION spinning manifold |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671653A (en) * | 2016-04-07 | 2016-06-15 | 天津华清健坤膜科技有限公司 | Hollow fiber spinning nozzle or spinning plate washing device and application method |
| CN105671653B (en) * | 2016-04-07 | 2018-07-31 | 天津华清健坤膜科技有限公司 | A kind of hollow fiber spinneret or cleaning device for spinning plate and application method |
| CN109078942A (en) * | 2018-08-22 | 2018-12-25 | 中船广西船舶及海洋工程有限公司 | A kind of marine boiler water cavity cleaning device |
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