CN110639968B - Oil removing equipment for titanium metal pipe - Google Patents
Oil removing equipment for titanium metal pipe Download PDFInfo
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- CN110639968B CN110639968B CN201910964334.3A CN201910964334A CN110639968B CN 110639968 B CN110639968 B CN 110639968B CN 201910964334 A CN201910964334 A CN 201910964334A CN 110639968 B CN110639968 B CN 110639968B
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- cavity
- chamber
- control valve
- degreasing agent
- automatic control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
- B21B45/0278—Cleaning devices removing liquids
- B21B45/0284—Cleaning devices removing liquids removing lubricants
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses oil removing equipment for a titanium metal pipe, which mainly comprises a shell and a cleaning cavity arranged in the shell, wherein the cleaning cavity is upwards opened, an ultrasonic generating mechanism is arranged in the rear wall of the cleaning cavity, the titanium metal pipe is placed in the cleaning cavity during cleaning, alkaline degreasing agent is added into the cleaning cavity, the ultrasonic generating mechanism is started to clean and remove oil, and a mixing cavity is arranged in the shell.
Description
Technical Field
The invention relates to the technical field of metal pipe cleaning, in particular to oil removing equipment for a titanium metal pipe.
Background
Because the titanium metal material has the known excellent characteristics of good toughness, small specific gravity, wear resistance, corrosion resistance, high temperature resistance and the like, the titanium metal material is known as space metal, in the production process of the titanium metal pipe, a rolling process and a heat treatment process after rolling exist, because the inner wall and the outer wall of the titanium metal pipe are adhered with oil dirt after rolling, the heat treatment of the titanium metal pipe is different from the heat treatment of a common steel pipe, vacuum annealing is adopted, the oil dirt adhered on the inner wall and the outer wall is required to be fully removed, the oil removing method of the titanium metal pipe in the prior art is to place the titanium metal pipe in an oil removing pool filled with cleaning solution for removing oil, the cleaning solution uses more general alkaline degreasing agents, the oil removing principle is that alkaline substances in the degreasing agent, such as sodium hydroxide and grease generate saponification reaction to achieve the purpose of removing oil, in the oil removing process, the degreasing agent in the degreasing pool is generally replaced at one time in the prior art, so that the cost is higher.
Disclosure of Invention
The technical problem to be solved by the invention is to provide oil removing equipment for a titanium metal pipe, and the oil removing equipment overcomes the problems.
The invention is realized by the following technical scheme.
The degreasing equipment for the titanium metal pipe mainly comprises a shell and a cleaning cavity arranged in the shell, wherein the cleaning cavity is upwards opened, an ultrasonic generating mechanism is arranged in the rear wall of the cleaning cavity, the titanium metal pipe is placed in the cleaning cavity during cleaning, alkaline degreasing agent is added into the cleaning cavity, the ultrasonic generating mechanism is started to clean and degrease, a mixing cavity is arranged in the shell, the mixing cavity is communicated with the cleaning cavity through a first connecting pipe, a first automatic control valve is arranged in the first connecting pipe, a container cavity is arranged in the shell, a second automatic control valve is arranged at the communication position of the container cavity and the mixing cavity, an ammonium salt solution is filled in the container cavity, a detection cavity is arranged in the shell, the detection cavity is communicated with the mixing cavity through a second connecting pipe, and a gas quantity detection mechanism is arranged in the detection cavity, after the first automatic control valve is opened, a certain volume of degreasing agent enters the mixing cavity, the second automatic control valve is opened, a certain volume of ammonium salt enters the mixing cavity, the effective component in the alkaline degreasing agent is alkaline substance sodium hydroxide, gas can be released through reaction with ammonium salt solution, and the gas quantity detection mechanism can judge the content of the effective component in the degreasing agent at the moment through detecting the quantity of the gas;
be equipped with in the casing and store the chamber, be equipped with unused alkaline degreasing agent in storing the chamber, store the chamber with wash through the filling tube intercommunication between the chamber, be equipped with the solenoid valve in the filling tube, be equipped with the first piston that can slide from top to bottom in storing the chamber, first piston upwards slides will the degreasing agent in storing the chamber adds wash in the chamber, gas amount detection mechanism detects the gas amount more, first piston upwards slides the distance and is shorter.
Further, the gas quantity detection mechanism comprises a second piston which is arranged in the detection cavity in a sliding mode, the detection cavity is opened upwards, a sensor is arranged in the left wall of the detection cavity and can detect the rising position of the second piston, and therefore the volume of gas entering the detection cavity is judged.
Further, a power cavity is arranged in the shell, a motor is fixedly arranged on the rear wall of the power cavity, signal transmission is arranged between the motor and the sensor, a power shaft is in power connection with the front side of the motor, a winding wheel is fixedly arranged on the power shaft, a pull wire is wound on the winding wheel, a support rod is fixedly arranged on the left wall of the power cavity, a hollow rotating shaft is rotatably arranged on the lower end surface of the support rod, a left belt wheel is fixedly arranged on the lower end of the hollow rotating shaft, a transmission cavity is arranged in the shell, a threaded rod with the lower end extending into the transmission cavity is fixedly arranged on the lower end surface of the first piston, a threaded sleeve is rotatably arranged on the bottom wall of the transmission cavity, the threaded rod is in threaded connection with the threaded sleeve, a right belt wheel is fixedly arranged on the threaded sleeve, the right belt wheel is in transmission connection with the left belt wheel, and, rotating electrical machines upside power connection has the rotation axis, be equipped with the open-ended spline chamber that makes progress in the rotation axis, spline connection has the integral key shaft in the spline chamber, the integral key shaft with be connected with the spring between the spline chamber diapire, the splined hole that runs through about being equipped with in the left side band pulley, the integral key shaft can up-and-down motion, the integral key shaft can with splined hole splined connection, the integral key shaft upper end is rotated and is equipped with the transfer line, be equipped with the mounting hole that runs through from top to bottom in the bracing piece, the transfer line passes the mounting hole, be equipped with in the mounting hole with transfer line complex damping piece, the lower extreme of acting as go-between with.
Furthermore, a first water discharge pipe is connected to the lower side of the mixing cavity, a third automatic control valve is arranged in the first water discharge pipe, and the third automatic control valve is opened to discharge the solution in the mixing cavity.
Furthermore, the lower side of the cleaning cavity is connected with a second water drainage pipe, and a fourth automatic control valve is arranged in the second water drainage pipe.
Further, a first filling valve is arranged in the top wall of the container cavity, and a second filling valve is arranged in the right wall of the storage cavity.
The invention has the beneficial effects that: according to the invention, after the degreasing agent in the degreasing tank is used for a period of time, a part of the degreasing agent is automatically taken out to detect the content of active ingredients in the degreasing agent, and then a certain amount of new degreasing agent is added into the degreasing tank according to the detection result, so that the reduction of the degreasing effect caused by the overlong use time of the degreasing agent is avoided, the use time of the degreasing agent is prolonged, and the degreasing cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B-B in FIG. 1;
fig. 4 is a schematic diagram of the structure at C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-4, the oil removing apparatus for a titanium metal pipe mainly includes a housing 10 and a cleaning chamber 25 disposed in the housing 10, the cleaning chamber 25 is opened upward, an ultrasonic generating mechanism 52 is installed in a rear wall of the cleaning chamber 25, the titanium metal pipe 26 is placed in the cleaning chamber 25 during cleaning, an alkaline degreasing agent is added into the cleaning chamber 25, the ultrasonic generating mechanism 52 is started to clean and remove oil, a mixing chamber 27 is disposed in the housing 10, the mixing chamber 27 is communicated with the cleaning chamber 25 through a first connecting pipe 29, a first automatic control valve 28 is disposed in the first connecting pipe 29, a container chamber 31 is disposed in the housing 10, the container chamber 31 is communicated with the mixing chamber 27 and a second automatic control valve 55 is disposed at a communication position, an ammonium salt solution is disposed in the container chamber 31, a detection chamber 38 is disposed in the housing 10, the detection cavity 38 is communicated with the mixing cavity 27 through a second connecting pipe 40, a gas quantity detection mechanism 80 is arranged in the detection cavity 38, after the first automatic control valve 28 is opened, a certain volume of degreasing agent enters the mixing cavity 27, the second automatic control valve 55 is opened, a certain volume of ammonium salt enters the mixing cavity 27, as the effective component in the alkaline degreasing agent is alkaline substance sodium hydroxide, gas can be released through reaction with an ammonium salt solution, and the gas quantity detection mechanism 80 can judge the content of the effective component in the degreasing agent at the moment through detecting the gas quantity;
the casing 10 is provided with a storage cavity 22, the storage cavity 22 is filled with unused alkaline degreasing agent, the storage cavity 22 is communicated with the cleaning cavity 25 through a feed pipe 23, the feed pipe 23 is provided with an electromagnetic valve 24, the storage cavity 22 is provided with a first piston 20 capable of sliding up and down, the first piston 20 slides upwards to add the degreasing agent in the storage cavity 22 into the cleaning cavity 25, the gas quantity detection mechanism detects more gas quantity, and the upwards sliding distance of the first piston 20 is shorter.
Advantageously, the gas quantity detection means 80 comprises a second piston 39 slidingly disposed in the detection chamber 38, the detection chamber 38 being open upwards, and a sensor 56 being disposed in the left wall of the detection chamber 38, the sensor 56 being capable of detecting the raised position of the second piston 39, and thus determining the volume of gas entering the detection chamber 38.
Beneficially, a power cavity 11 is arranged in the casing 10, a motor 34 is fixedly arranged on the rear wall of the power cavity 11, signal transmission is arranged between the motor 34 and the sensor 56, a power shaft 36 is in power connection with the front side of the motor 34, a winding wheel 35 is fixedly arranged on the power shaft 36, a pull wire 37 is wound on the winding wheel 35, a support rod 46 is fixedly arranged on the left wall of the power cavity 11, a hollow rotating shaft 47 is rotatably arranged on the lower end surface of the support rod 46, a left belt pulley 48 is fixedly arranged on the lower end of the hollow rotating shaft 47, a transmission cavity 18 is arranged in the casing 10, a threaded rod 19 with the lower end extending into the transmission cavity 18 is fixedly arranged on the lower end surface of the first piston 20, a threaded sleeve 17 is rotatably arranged on the bottom wall of the transmission cavity 18, the threaded rod 19 is in threaded connection with the threaded sleeve 17, a right belt pulley 16 is fixedly arranged on the threaded sleeve 17, and the right belt pulley 16, the fixed rotating electrical machines 51 that is equipped with of power cavity 11 diapire, the upside power connection of rotating electrical machines 51 has rotation axis 50, be equipped with upwards open-ended spline cavity 45 in the rotation axis 50, spline connection has spline shaft 49 in spline cavity 45, spline shaft 49 with be connected with spring 44 between the spline cavity 45 diapire, be equipped with the spline hole 42 that runs through from top to bottom in the left side band pulley 48, spline shaft 49 can the up-and-down motion, spline shaft 49 can with spline hole 42 splined connection, spline shaft 49 upper end rotates and is equipped with transfer line 43, be equipped with the mounting hole 54 that runs through from top to bottom in the bracing piece 46, transfer line 43 passes mounting hole 54, be equipped with in the mounting hole 54 with transfer line 43 complex damping piece 53, 37 lower extreme of acting as go-between with transfer line 43 upper end fixed connection.
Advantageously, a first drain pipe 12 is connected to the lower side of the mixing chamber 27, a third automatic control valve 41 is arranged in the first drain pipe 12, and the third automatic control valve 41 is opened to drain the solution in the mixing chamber 27.
Advantageously, a second water discharge pipe 13 is connected to the lower side of the cleaning cavity 25, and a fourth self-control valve 14 is arranged in the second water discharge pipe 13.
Advantageously, a first filling valve 30 is provided in the top wall of the container chamber 31 and a second filling valve 21 is provided in the right wall of the storage chamber 22.
Sequence of mechanical actions of the whole device:
in the initial state, all valves are in a closed state, and the spline shaft 49 is not in transmission fit with the spline hole 42;
1. the container cavity 31 is filled with ammonium salt solution, and the storage cavity 22 is filled with alkaline degreasing agent solution;
2. placing the titanium metal tube 26 in the cleaning cavity 25, adding an alkaline degreasing agent solution into the cleaning cavity 25, and starting the ultrasonic generation mechanism 52 to vibrate the alkaline degreasing agent solution in the cleaning cavity 25 for cleaning;
3. after the alkaline degreasing agent solution in the cleaning cavity 25 is used for a period of time, the first automatic control valve 28 is opened, so that the alkaline degreasing agent solution in the cleaning cavity 25 enters the mixing cavity 27 for a certain volume;
4. the second automatic control valve 55 is started to make the ammonium salt solution in the container cavity 31 enter the mixing cavity 27 for a certain volume to be mixed with the alkaline degreasing agent solution, and the higher the sodium hydroxide content in the alkaline degreasing agent solution is, the more gas is generated in the mixing cavity 27 by reaction;
5. the gas enters the detection cavity 38 through the second connecting pipe 40 to enable the second piston 39 to move upwards, and after a period of time and the reaction in the mixing cavity 27 is finished, the sensor 56 detects the position of the second piston 39;
6. the higher the position of the second piston 39, the longer the motor 34 is activated;
7. the motor 34 is started to rotate the power shaft 36, and the wire 37 is wound by the winding wheel 35;
8. the pull wire 37 drives the spline shaft 49 to ascend through the transmission rod 43, and the spline shaft 49 enters the spline hole 42 and is in spline connection with the spline hole 42;
9. after the motor 34 stops, the rotating motor 51 is started, the electromagnetic valve 24 is started, the spline shaft 49 is driven to rotate through the rotating shaft 50, the left belt wheel 48 is driven to rotate, the right belt wheel 16 is driven to rotate through the belt 15, the spline shaft 49 drives the threaded sleeve 17 to rotate, the threaded rod 19 drives the first piston 20 to ascend, and the alkaline degreasing agent solution in the storage cavity 22 is added into the cleaning cavity 25;
10. the spline shaft 49 slowly descends under the action of the spring 44 and the damping piece 53, when the spline shaft 49 is separated from the spline hole 42, the first piston 20 stops ascending, and the electromagnetic valve 24 is closed, so that new alkaline degreasing agent solution is added into the cleaning cavity 25 according to the content of the effective components of the alkaline degreasing agent solution in the mixing cavity 27;
11. opening the third automatic control valve 41 to discharge the solution in the mixing chamber 27;
12. after the cleaning is finished, the fourth automatic control valve 14 is opened to discharge the solution in the cleaning cavity 25 through the second water discharge pipe 13.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a deoiling equipment of titanium tubular metal resonator, include the casing and set up in washing chamber in the casing, wash the upwards opening in chamber, install ultrasonic wave generation mechanism in the wall behind the washing chamber, place the titanium tubular metal resonator in during the washing chamber, to add alkaline degreasing agent in the washing chamber, start ultrasonic wave generation mechanism washs deoiling, its characterized in that: a mixing cavity is arranged in the shell, the mixing cavity is communicated with the cleaning cavity through a first connecting pipe, a first automatic control valve is arranged in the first connecting pipe, a container cavity is arranged in the shell, the container cavity is communicated with the mixing cavity, a second automatic control valve is arranged at the communication position of the container cavity and the mixing cavity, the container cavity is filled with ammonium salt solution, the shell is internally provided with a detection cavity, the detection cavity is communicated with the mixing cavity through a second connecting pipe, a gas quantity detection mechanism is arranged in the detection cavity, after the first automatic control valve is opened, a certain volume of degreasing agent enters the mixing cavity, the second automatic control valve is opened to enable a certain volume of ammonium salt to enter the mixing cavity, because the effective component in the alkaline degreasing agent is alkaline substance sodium hydroxide which can release gas through the reaction with ammonium salt solution, the gas quantity detection mechanism can judge the content of the effective components in the degreasing agent at the moment by detecting the gas quantity; be equipped with in the casing and store the chamber, be equipped with unused alkaline degreasing agent in storing the chamber, store the chamber with wash through the filling tube intercommunication between the chamber, be equipped with the solenoid valve in the filling tube, be equipped with the first piston that can slide from top to bottom in storing the chamber, first piston upwards slides will the degreasing agent in storing the chamber adds wash in the chamber, gas amount detection mechanism detects the gas amount more, first piston upwards slides the distance and is shorter.
2. The oil removing apparatus for the titanium metal pipe according to claim 1, wherein: the gas quantity detection mechanism comprises a second piston which is arranged in the detection cavity in a sliding mode, the detection cavity is opened upwards, a sensor is arranged in the left wall of the detection cavity and can detect the rising position of the second piston, and therefore the gas volume entering the detection cavity is judged.
3. The oil removing apparatus for the titanium metal pipe according to claim 2, wherein: the power transmission device is characterized in that a power cavity is arranged in the shell, a motor is fixedly arranged on the rear wall of the power cavity, signal transmission is arranged between the motor and the sensor, the front side of the motor is in power connection with a power shaft, a winding wheel is fixedly arranged on the power shaft, a pull wire is wound on the winding wheel, a support rod is fixedly arranged on the left wall of the power cavity, a hollow rotating shaft is rotatably arranged on the lower end surface of the support rod, a left belt wheel is fixedly arranged at the lower end of the hollow rotating shaft, a transmission cavity is arranged in the shell, a threaded rod with the lower end extending into the transmission cavity is fixedly arranged on the lower end surface of the first piston, a threaded sleeve is rotatably arranged on the bottom wall of the transmission cavity, the threaded rod is in threaded connection with the threaded sleeve, a right belt wheel is fixedly arranged on the threaded sleeve, the right belt wheel is, rotating electrical machines upside power connection has the rotation axis, be equipped with the open-ended spline chamber that makes progress in the rotation axis, spline connection has the integral key shaft in the spline chamber, the integral key shaft with be connected with the spring between the spline chamber diapire, the splined hole that runs through about being equipped with in the left side band pulley, the integral key shaft can up-and-down motion, the integral key shaft can with splined hole splined connection, the integral key shaft upper end is rotated and is equipped with the transfer line, be equipped with the mounting hole that runs through from top to bottom in the bracing piece, the transfer line passes the mounting hole, be equipped with in the mounting hole with transfer line complex damping piece, the lower extreme of acting as go-between with.
4. The oil removing apparatus for the titanium metal pipe according to claim 3, wherein: the lower side of the mixing cavity is connected with a first drainage pipe, a third automatic control valve is arranged in the first drainage pipe, and the third automatic control valve is opened to discharge the solution in the mixing cavity.
5. The oil removing apparatus for the titanium metal pipe according to claim 1, wherein: the lower side of the cleaning cavity is connected with a second water drainage pipe, and a fourth automatic control valve is arranged in the second water drainage pipe.
6. The oil removing apparatus for the titanium metal pipe according to claim 1, wherein: a first filling valve is arranged in the top wall of the container cavity, and a second filling valve is arranged in the right wall of the storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964334.3A CN110639968B (en) | 2019-10-11 | 2019-10-11 | Oil removing equipment for titanium metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910964334.3A CN110639968B (en) | 2019-10-11 | 2019-10-11 | Oil removing equipment for titanium metal pipe |
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| Publication Number | Publication Date |
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| CN110639968A CN110639968A (en) | 2020-01-03 |
| CN110639968B true CN110639968B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910964334.3A Active CN110639968B (en) | 2019-10-11 | 2019-10-11 | Oil removing equipment for titanium metal pipe |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111745354A (en) * | 2020-06-01 | 2020-10-09 | 张家港海岸钛业有限公司 | Titanium alloy thick-wall pipe machining method |
| CN112264470A (en) * | 2020-11-03 | 2021-01-26 | 杭州萧山钱鸿交通器材有限公司 | Full-automatic strip steel cold rolling system and cold rolling process thereof |
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| US6006765A (en) * | 1997-06-02 | 1999-12-28 | Micron Technology, Inc. | Megasonic cleaning methods and apparatus |
| CN1248642A (en) * | 1998-09-08 | 2000-03-29 | 日本巴可莱新株式会社 | Alkali degrease treating liquid for metal material and use method thereof |
| KR20000032100A (en) * | 1998-11-09 | 2000-06-05 | 이구택 | Method for removing fat from cold rolled steel sheet at a low temperature |
| CN102007579A (en) * | 2008-04-16 | 2011-04-06 | 栗田工业株式会社 | Cleaning water for electronic material, method for cleaning electronic material and system for supplying water containing dissolved gas |
| CN104624595A (en) * | 2014-11-20 | 2015-05-20 | 大连现代辅机开发制造有限公司 | Cleaning manipulator |
| CN205110222U (en) * | 2015-11-04 | 2016-03-30 | 陈加云 | Multifunctional cleaning integrated machines |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8092613B2 (en) * | 2002-05-31 | 2012-01-10 | Ecolab Usa Inc. | Methods and compositions for the removal of starch |
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2019
- 2019-10-11 CN CN201910964334.3A patent/CN110639968B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6006765A (en) * | 1997-06-02 | 1999-12-28 | Micron Technology, Inc. | Megasonic cleaning methods and apparatus |
| CN1248642A (en) * | 1998-09-08 | 2000-03-29 | 日本巴可莱新株式会社 | Alkali degrease treating liquid for metal material and use method thereof |
| KR20000032100A (en) * | 1998-11-09 | 2000-06-05 | 이구택 | Method for removing fat from cold rolled steel sheet at a low temperature |
| CN102007579A (en) * | 2008-04-16 | 2011-04-06 | 栗田工业株式会社 | Cleaning water for electronic material, method for cleaning electronic material and system for supplying water containing dissolved gas |
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Effective date of registration: 20201030 Address after: 252000 south head, Jia Zhuang Cun, Xuying Town, high tech Zone, Liaocheng City, Shandong Province Applicant after: Liaocheng Haoxin Machinery Accessories Co., Ltd Address before: 312000 Nancun 31, Xiaguan Town, Shangyu District, Shaoxing City, Zhejiang Province Applicant before: Shaoxing Shangyu C Fang Environmental Protection Equipment Co.,Ltd. |
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