CN110685023A - Spinneret cleaning device and method - Google Patents
Spinneret cleaning device and method Download PDFInfo
- Publication number
- CN110685023A CN110685023A CN201810727452.8A CN201810727452A CN110685023A CN 110685023 A CN110685023 A CN 110685023A CN 201810727452 A CN201810727452 A CN 201810727452A CN 110685023 A CN110685023 A CN 110685023A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- electromagnetic valve
- spinneret
- feeding
- liquid filling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009987 spinning Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000011084 recovery Methods 0.000 claims abstract description 22
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 239000012528 membrane Substances 0.000 description 8
- 239000012510 hollow fiber Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Images
Classifications
-
- 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
A spinneret cleaning device comprises a feeding pipeline (1), a spinneret (4) and a pressure gauge (41), and is characterized by further comprising a control box (5), an exhaust pipeline (2), a liquid filling pipeline (3) and a recovery tank (36), wherein the liquid filling pipeline (3) is communicated with the feeding pipeline (1) and a material feeding end is connected with a storage tank (33) for placing an organic solvent, and a power pump (32) and a third electromagnetic valve (31) are arranged on the liquid filling pipeline (3); the recovery tank (36) is located below the spinneret (4). The application also discloses a spinneret cleaning method. Compared with the prior art, the invention has the advantages that: through exhaust pipe and liquid filling pipeline cooperateing, can realize not moving when equipment, exempt from to dismantle the washing to the spinning jet, start production once more and can directly carry out the spinning, solve the problem that the spinning jet is long-term not spun and is blockked up.
Description
Technical Field
The invention relates to a cleaning device of a spinning nozzle, which is applied to a spinning nozzle for manufacturing a hollow fiber membrane. The invention also relates to a method for cleaning the spinneret.
Background
The hollow fiber membrane is a core component of equipment in the fields of water treatment, hemodialysis, seawater desalination, gas separation, liquid separation and the like, is an important new material applied to the aspects of reverse osmosis membranes, microfiltration membranes, nanofiltration membranes, ultrafiltration membranes and the like, and is gradually and widely applied in the fields of environment-friendly water treatment, hemodialysis, gas separation and the like.
The brief summary of the production and formation process of hollow fiber membrane is that the spinning solution and core solution are injected into the spinneret from different positions of the spinneret base, and the hollow fiber filament-commonly called membrane filament-is ejected from the spinneret cover through the special structure in the spinneret. From the whole film making process, except that the film making equipment and the technological parameters influence the performance of the film yarns, the quality of the spinning nozzle directly influences some key performances and parameters of the film yarns.
The existing spinning head needs to be disassembled for cleaning and used when in shutdown and maintenance, and the used spinning head is still difficult to disassemble even the screw is completely disassembled due to the adoption of precise tight fit and the vacuum adsorption effect of feed liquid in the cavity of the spinning head.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cleaning device of a non-detachable spinning head aiming at the technical current situation.
In view of the above technical problem, another object of the present invention is to provide a method for cleaning a non-detachable spinneret.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cleaning device for a spinning nozzle comprises a feeding pipeline, the spinning nozzle and a pressure gauge, wherein a first electromagnetic valve is arranged at the feeding end of the feeding pipeline, the spinning nozzle is arranged at the tail end of the feeding pipeline, the pressure gauge is arranged on the feeding pipeline, the cleaning device is characterized by further comprising a control box, an exhaust pipeline, a liquid filling pipeline and a recovery tank, the exhaust pipeline is communicated with the feeding pipeline, the air inlet end of the exhaust pipeline is connected with an air source, and a second electromagnetic valve is arranged on the exhaust pipeline;
the liquid filling pipeline is communicated with the feeding pipeline, and the feeding end of the liquid filling pipeline is connected with a storage tank for placing an organic solvent;
the recovery tank is positioned below the spinneret;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the power pump are all in control connection with the control box.
In order to realize solvent recovery, a recovery pipe is arranged between the recovery tank and the storage tank, and a filter is arranged on the recovery pipe.
Furthermore, the recovery pipe on be equipped with the gear pump that is used for the measurement, this gear pump with control box control connection.
Further, an ultrasonic generator is arranged in the material storage tank.
A cleaning method is characterized by comprising the following steps:
closing the first electromagnetic valve, the third electromagnetic valve and the second electromagnetic valve, wherein the gas source provides compressed gas, and the compressed gas enters the feeding pipeline from the gas exhaust pipeline and discharges residual feed liquid in the spinneret;
and closing the second electromagnetic valve, opening the third electromagnetic valve, opening the power pump, enabling the organic solvent to enter the feeding pipeline from the storage tank through the liquid charging pipeline and reach the spinning nozzle, and enabling the redundant organic solvent to enter the recovery tank.
Compared with the prior art, the invention has the advantages that: through exhaust pipe and liquid filling pipeline cooperateing, can realize not moving when equipment, exempt from to dismantle the washing to the spinning jet, start production once more and can directly carry out the spinning, solve the problem that the spinning jet is long-term not spun and is blockked up. The production can be freely switched when the production is stopped, no damage is caused to a spinning nozzle, and continuous production or shutdown can be carried out.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the cleaning device for the spinneret in this embodiment includes a feeding pipeline 1, an exhaust pipeline 2, a liquid filling pipeline 3, a recycling pipe 6, a spinneret 4, a pressure gauge 41, a control box 5 and a recycling tank 36, a feeding end of the feeding pipeline 1 is provided with a first electromagnetic valve 11 and a gear pump 12 for metering, the spinneret 4 is arranged at a tail end of the feeding pipeline 1, the pressure gauge 41 is arranged on the feeding pipeline 1, the exhaust pipeline 2 is communicated with the feeding pipeline 1 and an air inlet end of the exhaust pipeline is connected with an air source 22, and the exhaust pipeline 2 is provided with a second electromagnetic valve 21. The gas source in this embodiment is preferably nitrogen or an inert gas.
The liquid filling pipeline 3 is communicated with the feeding pipeline 1, and the feeding end is connected with a storage tank 33 for placing an organic solvent, and the liquid filling pipeline 3 is provided with a power pump 32 and a third electromagnetic valve 31; the recovery tank 36 is located below the spinneret 4; the first electromagnetic valve 11, the second electromagnetic valve 21, the third electromagnetic valve 31 and the power pump 32 are all in control connection with the control box 5.
The power pump 32 in this embodiment is a peristaltic pump,
the recovery pipe 6 is arranged between the recovery tank 36 and the stock tank 33, the recovery pipe 6 is provided with a filter 35 and a gear pump 34 for metering, and the gear pump 34 is in control connection with the control box 5.
In order to make the organic solvent uniform, the ultrasonic generator is arranged in the storage tank 33, which is not shown in the figure.
The cleaning process comprises the following steps:
closing the first electromagnetic valve 11, the third electromagnetic valve 31, opening the second electromagnetic valve 21, providing compressed gas by the gas source 22, enabling the compressed gas to enter the feeding pipeline 1 from the exhaust pipeline 2, and discharging residual feed liquid in the spinning nozzle 4;
the second electromagnetic valve 21 is closed, the third electromagnetic valve 31 is opened, the power pump 32 is opened, the organic solvent enters the feeding pipeline 1 from the storage tank 33 through the liquid charging pipeline and reaches the spinning nozzle 4, and the redundant organic solvent enters the recovery tank 36.
Claims (5)
1. A spinneret cleaning device comprises a feeding pipeline (1), a spinneret (4) and a pressure gauge (41), wherein a first electromagnetic valve (11) is arranged at the feeding end of the feeding pipeline (1), the spinneret (4) is arranged at the tail end of the feeding pipeline (1), the pressure gauge (41) is arranged on the feeding pipeline (1), the spinneret cleaning device is characterized by further comprising a control box (5), an exhaust pipeline (2), a liquid filling pipeline (3) and a recovery tank (36),
the exhaust pipeline (2) is communicated with the feeding pipeline (1), the air inlet end of the exhaust pipeline is connected with an air source (22), and a second electromagnetic valve (21) is arranged on the exhaust pipeline (2);
the liquid filling pipeline (3) is communicated with the feeding pipeline (1) and the feeding end is connected with a storage tank (33) for placing an organic solvent, and a power pump (32) and a third electromagnetic valve (31) are arranged on the liquid filling pipeline (3);
the recovery tank (36) is positioned below the spinneret (4);
the first electromagnetic valve (11), the second electromagnetic valve (21), the third electromagnetic valve (31) and the power pump (32) are all in control connection with the control box (5).
2. A spinneret washing device according to claim 1, characterized in that a recovery tube (6) is provided between the recovery tank (36) and the stock tank (33), and a filter (35) is provided on the recovery tube (6).
3. A spinneret washing device according to claim 2, characterized in that the recovery tube (6) is provided with a gear pump (34) for metering, the gear pump (34) being in control connection with the control box (5).
4. A spinneret washing device according to claim 1, characterized in that the storage tank (33) is provided with an ultrasonic generator.
5. A cleaning method using a spinneret cleaning device according to any one of claims 1-4, comprising the steps of:
closing the first electromagnetic valve (11), opening the third electromagnetic valve (31), opening the second electromagnetic valve (21), providing compressed gas by the gas source (22), enabling the compressed gas to enter the feeding pipeline (1) from the exhaust pipeline (2), and exhausting residual feed liquid in the spinning nozzle (4);
and (3) closing the second electromagnetic valve (21), opening the third electromagnetic valve (31), opening the power pump (32), enabling the organic solvent to enter the feeding pipeline (1) from the storage tank (33) through the liquid charging pipeline and reach the spinning nozzle (4), and enabling the redundant organic solvent to enter the recovery tank (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727452.8A CN110685023A (en) | 2018-07-05 | 2018-07-05 | Spinneret cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727452.8A CN110685023A (en) | 2018-07-05 | 2018-07-05 | Spinneret cleaning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110685023A true CN110685023A (en) | 2020-01-14 |
Family
ID=69106557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810727452.8A Pending CN110685023A (en) | 2018-07-05 | 2018-07-05 | Spinneret cleaning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110685023A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344392A (en) * | 2023-12-06 | 2024-01-05 | 西南石油大学 | Light heat-resistant PIPD nanofiber preparation equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5526217A (en) * | 1978-08-07 | 1980-02-25 | Unitika Ltd | Cleaning of melt spinning device |
| JPS60173109A (en) * | 1984-02-17 | 1985-09-06 | Toray Ind Inc | Circulation washing device in polymerizing and spinning apparatus |
| US5728226A (en) * | 1996-07-22 | 1998-03-17 | Basf Corporation | Process for cleaning an assembled spin pack of a melt spinning assembly |
| US5961734A (en) * | 1996-03-04 | 1999-10-05 | Basf Corporation | Methods for purging process lines of additives for thermoplastic materials |
| CN103014884A (en) * | 2012-11-29 | 2013-04-03 | 桐昆集团浙江恒盛化纤有限公司 | Online cleaning device and cleaning method for cation POY (pre-oriented yarn) spinning box body |
| CN203304252U (en) * | 2013-05-23 | 2013-11-27 | 龙岩烟草工业有限责任公司 | Nozzle washing device and washing device of perfuming and material feeding system |
| CN204380530U (en) * | 2014-11-27 | 2015-06-10 | 天津华清健坤膜科技有限公司 | The spray silk purging system of hollow-fibre membrane |
| 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 |
| CN205393119U (en) * | 2016-02-22 | 2016-07-27 | 河南中烟工业有限责任公司 | Tobacco producion is cleaning device and tobacco producion dust pelletizing system for cleaning tube |
| CN208577805U (en) * | 2018-07-05 | 2019-03-05 | 宁波方太厨具有限公司 | Spinning head cleaning device |
-
2018
- 2018-07-05 CN CN201810727452.8A patent/CN110685023A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5526217A (en) * | 1978-08-07 | 1980-02-25 | Unitika Ltd | Cleaning of melt spinning device |
| JPS60173109A (en) * | 1984-02-17 | 1985-09-06 | Toray Ind Inc | Circulation washing device in polymerizing and spinning apparatus |
| US5961734A (en) * | 1996-03-04 | 1999-10-05 | Basf Corporation | Methods for purging process lines of additives for thermoplastic materials |
| US5728226A (en) * | 1996-07-22 | 1998-03-17 | Basf Corporation | Process for cleaning an assembled spin pack of a melt spinning assembly |
| CN103014884A (en) * | 2012-11-29 | 2013-04-03 | 桐昆集团浙江恒盛化纤有限公司 | Online cleaning device and cleaning method for cation POY (pre-oriented yarn) spinning box body |
| CN203304252U (en) * | 2013-05-23 | 2013-11-27 | 龙岩烟草工业有限责任公司 | Nozzle washing device and washing device of perfuming and material feeding system |
| CN204380530U (en) * | 2014-11-27 | 2015-06-10 | 天津华清健坤膜科技有限公司 | The spray silk purging system of hollow-fibre membrane |
| CN205393119U (en) * | 2016-02-22 | 2016-07-27 | 河南中烟工业有限责任公司 | Tobacco producion is cleaning device and tobacco producion dust pelletizing system for cleaning tube |
| 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 |
| CN208577805U (en) * | 2018-07-05 | 2019-03-05 | 宁波方太厨具有限公司 | Spinning head cleaning device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344392A (en) * | 2023-12-06 | 2024-01-05 | 西南石油大学 | Light heat-resistant PIPD nanofiber preparation equipment |
| CN117344392B (en) * | 2023-12-06 | 2024-02-02 | 西南石油大学 | Light heat-resistant PIPD nanofiber preparation equipment |
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Application publication date: 20200114 |