CN111389814A - Vibrating plate type ultrasonic cleaning device and cleaning method for chemical fiber spinneret plate - Google Patents
Vibrating plate type ultrasonic cleaning device and cleaning method for chemical fiber spinneret plate Download PDFInfo
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- CN111389814A CN111389814A CN202010267361.8A CN202010267361A CN111389814A CN 111389814 A CN111389814 A CN 111389814A CN 202010267361 A CN202010267361 A CN 202010267361A CN 111389814 A CN111389814 A CN 111389814A
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- cleaning
- plate
- spinneret
- spinneret plate
- vibrating plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
Abstract
The invention discloses a vibrating plate type ultrasonic cleaning device and a cleaning method for a chemical fiber spinneret plate, wherein the vibrating plate type ultrasonic cleaning device comprises a cleaning tank and a vibrating plate type ultrasonic device, the vibrating plate type ultrasonic device comprises an ultrasonic power supply, an energy converter, an amplitude transformer and a vibrating plate which are sequentially connected, a first opening and a fastener for placing the spinneret plate are formed in the vibrating plate, and the spinneret plate and the vibrating plate are fixedly connected through the fastener; the energy converter converts electric energy into mechanical vibration, and the vibration plate and the spinneret plate are driven to vibrate integrally through the amplitude transformer. According to the invention, the vibrating plate drives the spinneret plate to vibrate in a high-frequency mechanical manner, so that the spinneret plate becomes a device for providing ultrasonic radiation for a cleaning medium, which is beneficial to improving the cleaning effect of the spinneret plate and achieving the purpose of batch and efficient cleaning of the spinneret plate; in addition, the invention also provides a spinneret plate cleaning method.
Description
Technical Field
The invention relates to the technical field of spinneret plate cleaning in the chemical fiber manufacturing industry, in particular to a vibrating plate type ultrasonic cleaning device and a cleaning method.
Background
The spinneret plate is a core component in spinning equipment in the chemical fiber industry. With the continuous improvement of the spinneret processing technology, the number of micropores of one spinneret can reach tens of thousands, the pore diameter is only 50-100 micrometers, and the spinneret has the characteristics of small pore diameter and large length-diameter ratio. In the spinning process, tiny impurities remained in spinneret plate holes directly influence the appearance of fibers, and even generate broken ends and broken filaments to influence fiber forming. Therefore, the cleaning degree of the spinneret plate directly influences the quality and the production efficiency of the fiber, and how to effectively clean the spinneret plate is important for producing the fiber with uniform fineness and high quality.
The cleaning method of spinneret plate commonly used in chemical fiber industry at present is mainly divided into physical and chemical methods, such as calcination method, vacuum-pyrolysis method and Al2O3Fluidized bed method, salt bath method, dissolution method, ultrasonic cleaning method, and the like (peyronie, research on spinneret plate micropore cleaning robot, tohua university, 2014). If a high-temperature method is used, the spinning solution is easy to carbonize at high temperature, so that an ideal cleaning effect is difficult to achieve, and the energy consumption is high; if the dissolution method is adopted, the disadvantages are that the cleaning solution generally needs to be selected from strong acid, strong base or strong polar organic solvent, and the dissolution cleaning time is too long.
The ultrasonic cleaning method is a method widely applied to cleaning spinneret plates in the chemical fiber industry. The working principle of ultrasonic cleaning is that under the vibration of ultrasonic waves, a large number of micro-bubbles are generated in cleaning liquid, and strong impact force is generated instantly through the expansion and the breakage of the micro-bubbles so as to achieve the purpose of cleaning dirt on the surface of an object (easy sun shaking, experimental research and the influence mechanism of ultrasonic characteristic parameters on the Wafer cleaning effect, Tianjin university, 2013).
The conventional ultrasonic cleaning machine with cleaning tank is characterized in that a plurality of ultrasonic transducers are arranged at the bottom of a cleaning tank, and a spinneret plate in the cleaning tank is cleaned by ultrasonic from bottom to top. Due to the small ultrasonic power density, the efficient cleaning effect on the spinneret plate with tens of thousands of micron-sized apertures is difficult to achieve. Patent CN203227628U has adopted an energy-gathered formula ultrasonic cleaning device, and ultrasonic frequency is high, but the during operation need fix a position the washing to reach the cleaning performance to single spinneret, and when the device washd polylith spinneret simultaneously, energy-gathered formula ultrasonic vibration head can only reciprocate the washing in proper order, and the scavenging period is longer.
Therefore, it is highly desirable to develop an ultrasonic cleaning apparatus capable of rapidly cleaning spinneret plates in batch while improving the cleaning effect.
Disclosure of Invention
The vibrating plate type ultrasonic cleaning device for the spinneret plate is simple to operate, high in efficiency and good in cleaning effect, the vibrating plate is provided with a plurality of openings for placing the spinneret plate, and the spinneret plate is fixed on the ultrasonic vibrating plate through fasteners and synchronously ultrasonically vibrates in cleaning liquid with the vibrating plate so as to achieve the purpose of efficient cleaning.
The technical scheme provided by the invention for solving the technical problems is as follows:
the utility model provides a shake board formula ultrasonic device, includes transducer and the board that shakes rather than linking to each other, the board that shakes on be equipped with and be used for placing the first trompil and the fastener of waiting to wash the piece, the fastener will wait to wash a piece and shake board fixed connection.
The piece to be cleaned is a spinneret plate.
The invention realizes hard connection of the spinneret plate and the vibrating plate through the fastening piece, can ensure that the spinneret plate and the vibrating plate are integrally vibrated at the same ultrasonic frequency, and obviously improves the cleaning effect.
The number of the first openings is single or multiple, and single or multiple groups can be arranged according to actual cleaning requirements. The size and shape of the first opening can be any one or more of the size and shape of the spinneret plate.
The fastener includes but is not limited to fastening plate, fastening washer, fastening buckle and other components and connecting pair. Preferably, the fastening member is a fastening plate.
And a second opening is formed in the fastening plate, and the second opening corresponds to the first opening in position.
The opening size of the second opening is set according to the size of the cleaned spinneret plate.
The vibrating plate is connected with the transducer through a variable amplitude rod; the transducer is connected with an ultrasonic power supply through a high-frequency cable.
The invention also provides a vibrating plate type ultrasonic cleaning device which comprises a cleaning tank and the vibrating plate type ultrasonic device, wherein the amplitude transformer of the vibrating plate type ultrasonic device penetrates through the side surface of the tank body of the cleaning tank and is connected with the tank body through a sealing element.
The sealing element is a nested sealing element.
The vibrating plate is parallel to the bottom surface of the cleaning tank.
In order to facilitate the discharge of the dirt and the cleaning liquid in the cleaning tank, preferably, a drain valve is arranged at the bottom of the cleaning tank.
The inner cavity of the cleaning tank, the amplitude transformer, the vibrating plate and the fastening piece are made of stainless steel.
The sealing member is made of a fluorine glue material.
The invention also provides a spinneret plate cleaning method adopting the vibrating plate type ultrasonic cleaning device, which comprises the following steps:
(1) pretreating a spinneret plate, and removing attachments visible on the surface of the spinneret plate;
(2) soaking a spinneret plate in cleaning solution 1;
(3) washing the soaked spinneret plate with a cleaning solution 2, and fixing the spinneret plate on a vibrating plate of a vibrating plate type ultrasonic cleaning device through a fastening plate;
(4) enabling the cleaning liquid 2 to submerge the vibrating plate, and cleaning the spinneret plate by using a vibrating plate type ultrasonic cleaning device;
(5) after ultrasonic cleaning, washing the spinneret plate by deionized water;
(6) blowing the spinneret plate by pure compressed air until no obvious visible liquid exists;
(7) drying the purged spinneret plate and then cooling;
(8) and (5) checking the cleaning effect of the spinneret plate by adopting a spinneret plate mirror inspection instrument.
The clearing is manual clearing.
Preferably, the ultrasonic power supply of the vibrating plate type ultrasonic cleaning device adopts a frequency sweeping working mode.
The frequency sweeping working mode can enable the ultrasonic frequency to sweep back and forth in a reasonable range in the cleaning process, the problem of sound field uniformity is solved, the spinneret plates placed at all positions of the vibrating plate vibrate more uniformly, meanwhile, the cleaning liquid forms a fine reflux under the action of frequency sweeping, dirt stripped by the ultrasonic can be timely taken away from the spinneret plates, and therefore a quicker and more thorough cleaning effect is achieved.
The power of the ultrasonic power supply is adjustable within the range of 100-5000 w, and the working frequency is adjustable within the range of 15-60 KHz.
The soaking time in the step (2) is 1-8 hours, and the soaking temperature is 50-70 ℃.
The cleaning solution 1 in the step (2) is a good solvent or a combination of a plurality of good solvents of the spinning raw materials.
And (4) the cleaning solution 2 in the step (4) is a good solvent of the spinning raw material or a combination of a plurality of good solvents or deionized water. And (4) the ultrasonic cleaning time in the step (4) is 5-60 min. Preferably, the time of the sound wave cleaning is 5-20 min.
The temperature of ultrasonic cleaning is 40-60 ℃.
The drying temperature in the step (7) is 100-120 ℃, and the drying time is 60-120 min.
The invention has the beneficial effects that:
1. the vibrating plate type ultrasonic cleaning device drives the spinneret plate to integrally vibrate in a high-frequency mechanical mode through the ultrasonic vibrating plate, so that the spinneret plate becomes a device for providing ultrasonic radiation for a cleaning medium, the cleaning effect of the spinneret plate is improved beneficially, and the purpose of cleaning the spinneret plate in a batch and high-efficiency mode is achieved.
2. The invention realizes the effect of uniformly cleaning the spinneret plate at each position on the vibrating plate by utilizing a frequency sweeping working mode.
3. The vibrating plate type ultrasonic cleaning device has the advantages of simple structure, reliable performance and high efficiency, and is suitable for spinneret plates with different sizes and shapes.
4. The spinneret plate cleaning method disclosed by the invention can achieve the cleaning effect by using deionized water as an ultrasonic cleaning solution, reduces the using amount of an organic solvent and is environment-friendly.
Drawings
FIG. 1 is a side view of the structure of a vibrating plate type ultrasonic cleaning device according to the present invention.
FIG. 2 is a top view of the cleaning tank according to the present invention.
The reference numerals shown in the figures are as follows:
1-ultrasonic power supply 2-transducer 3-sealing member 4-amplitude transformer
5-fastening plate 6-spinneret plate 7-vibrating plate 8-cleaning tank
9-Drain valve
Detailed description of the invention
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications to the invention as taught herein may be contemplated by those skilled in the art and fall within the scope of the invention as defined in the appended claims.
EXAMPLE 1 vibrating plate type ultrasonic cleaning apparatus
A vibrating plate type ultrasonic cleaning apparatus, as shown in fig. 1, includes: a cleaning tank and a vibrating plate type ultrasonic device.
The vibrating plate type ultrasonic device comprises a vibrating plate, a fastening plate, an amplitude transformer, an energy converter and an ultrasonic power supply; the vibrating plate is provided with an opening for placing a piece to be cleaned, and the fastening plate is provided with opening positions and number corresponding to the opening of the vibrating plate; the vibrating plate is connected with an energy converter outside the box body through an amplitude transformer, and the energy converter is connected with an ultrasonic power supply through a high-frequency cable.
As shown in fig. 2, the amplitude transformer penetrates through the side surface of the cleaning tank body and is connected with the tank body through a nested sealing element; a vibration plate which is horizontally arranged is arranged in the cleaning tank body. And a drain valve is arranged at the bottom of the cleaning tank and used for draining dirt and cleaning liquid in the cleaning tank.
(1) And (3) manually removing the attachments visible on the surface of the spinneret plate for polyacrylonitrile spinning.
(2) And putting the spinneret plate into dimethyl sulfoxide to be soaked for 4 hours, and keeping the soaking temperature at 60 ℃.
(3) And taking out the soaked spinneret plate, washing with deionized water, and fixing the spinneret plate on the vibrating plate through the fastening plate.
(4) Deionized water is added to immerse the vibrating plate, an ultrasonic power supply 1000w is arranged, and the spinneret plate is cleaned for 15min in a frequency sweeping mode within the range of 19-21 kHz.
(5) And after the ultrasonic cleaning is finished, taking out the spinneret plate and washing the spinneret plate for 2min by using deionized water.
(6) The spinneret was again purged with pure compressed air until no visible liquid was evident.
(7) Drying in a 110 deg.C oven for 120min, and cooling.
(8) After the spinneret plate is cooled, the spinneret plate after cleaning is detected by a spinneret plate microscopic detector, all spinneret holes are not blocked, and the cleaning effect is achieved.
Comparative example 1 spinneret was cleaned using a general tank type ultrasonic cleaner
(1) And (3) manually removing the attachments visible on the surface of the spinneret plate for polyacrylonitrile spinning.
(2) And putting the spinneret plate into dimethyl sulfoxide to be soaked for 4 hours, and keeping the soaking temperature at 60 ℃.
(3) And taking out the soaked spinneret plate, and washing with dimethyl sulfoxide.
(4) A common groove type ultrasonic cleaner is adopted to clean the spinneret plate, the cleaning liquid is dimethyl sulfoxide, the temperature and the power of the ultrasonic cleaner are respectively set to be 60 ℃ and 100W, and the cleaning time is 4 h.
(5) And after the ultrasonic cleaning is finished, washing the spinneret plate for 2min by using deionized water.
(6) And then pure compressed air is adopted to blow the spinneret plate for 2min, and no obvious liquid is visible.
(7) And putting the purged spinneret plate into a drying oven at 110 ℃, drying for 120min, and cooling to room temperature.
(8) And a spinneret plate is detected by a spinneret plate mirror inspection instrument, and the hole blocking rate is 1.7 per mill.
Claims (10)
1. The utility model provides a shake board formula ultrasonic device, includes transducer and the board that shakes that links to each other rather than, its characterized in that shakes and be equipped with first trompil and the fastener that is used for placing the piece of waiting to wash on the board, the fastener will wait to wash a piece and shake board fixed connection.
2. The vibrating plate ultrasonic device according to claim 1, wherein the fastening member is a fastening plate.
3. The vibrating plate ultrasonic device according to claim 2, wherein a second opening is provided in the fastening plate, the second opening corresponding to the first opening.
4. The vibrating plate ultrasonic device according to claim 1, wherein the vibrating plate is connected to the transducer through a horn; the transducer is connected with an ultrasonic power supply through a high-frequency cable.
5. A vibrating plate type ultrasonic cleaning device is characterized by comprising the vibrating plate type ultrasonic cleaning device and a cleaning tank according to any one of claims 1 to 4, wherein a horn of the vibrating plate type ultrasonic cleaning device penetrates through the side face of the tank body of the cleaning tank and is connected with the tank body through a sealing piece.
6. A method for cleaning a spinneret plate using the vibrating plate type ultrasonic device according to claim 5, comprising the steps of:
(1) pretreating a spinneret plate, and removing attachments visible on the surface of the spinneret plate;
(2) soaking a spinneret plate in cleaning solution 1;
(3) washing the soaked spinneret plate with a cleaning solution 2, and fixing the spinneret plate on a vibrating plate of a vibrating plate type ultrasonic cleaning device through a fastening plate;
(4) enabling the cleaning liquid 2 to submerge the vibrating plate, and ultrasonically cleaning the spinneret plate by using a vibrating plate type ultrasonic cleaning device;
(5) after ultrasonic cleaning, washing the spinneret plate by deionized water;
(6) blowing the spinneret plate by pure compressed air until no obvious visible liquid exists;
(7) drying the purged spinneret plate and then cooling;
(8) and (5) checking the cleaning effect of the spinneret plate by adopting a spinneret plate mirror inspection instrument.
7. The spinneret plate cleaning method according to claim 6, wherein in the step (4), the ultrasonic power supply of the vibrating plate type ultrasonic cleaning device adopts a frequency sweeping operation mode.
8. The spinneret plate cleaning method according to claim 6, wherein the power of the ultrasonic power supply is adjustable within a range of 100-5000 w, and the working frequency is adjustable within a range of 15-60 KHz.
9. The spinneret plate cleaning method according to claim 6, wherein the cleaning solution 2 is a good solvent or a combination of a plurality of good solvents of the spinning raw material or deionized water.
10. The spinneret plate cleaning method according to any one of claims 6 to 9, wherein the time for the ultrasonic cleaning in the step (4) is 5 to 60 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010267361.8A CN111389814A (en) | 2020-04-07 | 2020-04-07 | Vibrating plate type ultrasonic cleaning device and cleaning method for chemical fiber spinneret plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010267361.8A CN111389814A (en) | 2020-04-07 | 2020-04-07 | Vibrating plate type ultrasonic cleaning device and cleaning method for chemical fiber spinneret plate |
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| CN111389814A true CN111389814A (en) | 2020-07-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391684A (en) * | 2020-11-17 | 2021-02-23 | 广西德福莱医疗器械有限公司 | Method for processing hole plugging of spinning template |
| CN114054423A (en) * | 2021-09-08 | 2022-02-18 | 中复神鹰碳纤维股份有限公司 | Automatic spinneret plate cleaning method and device |
| CN114318554A (en) * | 2022-02-08 | 2022-04-12 | 安徽红爱实业股份有限公司 | Die head automatic cleaning equipment for melt-blown fabric production |
-
2020
- 2020-04-07 CN CN202010267361.8A patent/CN111389814A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391684A (en) * | 2020-11-17 | 2021-02-23 | 广西德福莱医疗器械有限公司 | Method for processing hole plugging of spinning template |
| CN114054423A (en) * | 2021-09-08 | 2022-02-18 | 中复神鹰碳纤维股份有限公司 | Automatic spinneret plate cleaning method and device |
| CN114318554A (en) * | 2022-02-08 | 2022-04-12 | 安徽红爱实业股份有限公司 | Die head automatic cleaning equipment for melt-blown fabric production |
| CN114318554B (en) * | 2022-02-08 | 2022-12-09 | 安徽红爱实业股份有限公司 | Die head automatic cleaning equipment for melt-blown fabric production |
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