CN102277588A - Deoiling method of oxygen free copper with complex structure for superconducting material - Google Patents
Deoiling method of oxygen free copper with complex structure for superconducting material Download PDFInfo
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- CN102277588A CN102277588A CN2011102219556A CN201110221955A CN102277588A CN 102277588 A CN102277588 A CN 102277588A CN 2011102219556 A CN2011102219556 A CN 2011102219556A CN 201110221955 A CN201110221955 A CN 201110221955A CN 102277588 A CN102277588 A CN 102277588A
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- free copper
- oxygen free
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Abstract
The invention relates to a deoiling method of oxygen free copper with a complex structure for a superconducting material. The method is characterized by comprising the following steps: adding a chemical deoiling cleaning agent and water into a tank body, and heating to 40-50 DEG C; immersing an oxygen free copper material to be cleaned in a liquid according to a technical requirement; assembling ultrasonic vibration plates on two sides and bottom of the tank body to generate ultrasonic wave by ultrasonic frequency, closing an ultrasonic power supply after the cleaning time is reached, and taking out the cleaned oxygen free copper to wash with tap water so as to complete cleaning of the cleaned oxygen free copper material. According to the method, mechanical scrubbing is avoided, and the quality uniformity of the cleaning surface can be ensured; and a suction nozzle, a fine pipe and other structural complex materials can be cleaned smoothly. Therefore, the technical quality bottleneck in the whole production process of the superconducting material is solved, and higher economical benefit is generated.
Description
Technical field
The present invention relates to a kind of method of deoiling that is used for the complex construction oxygen free copper of superconducting material, belong to technical field of chemical engineering, relate to the method that a kind of superconducting material cleans with high-end material oxygen free copper surface chemistry oil removing.
Background technology
Niobium titanium and niobium three tin low temperature superconducting material industries are field of new forefront industries, and Potential as a researcher and vigor are very big, also are the new high-tech industries of listing the national strategy evolutionary operation(EVOP) recent years in.Though research has obtained bigger progress but its industrialization just just begins, Production Flow Chart is long, and it is many to relate to technical field, has more technology and quality bottleneck, and especially the surface quality requirement is also very high to the quality of material.Various structure and specification oxygenless copper material surface and oil contaminants are serious, guarantee that before assembling the cleaning of deoiling is thorough, are the prerequisites that guarantees the processing of superconducting material process, quality control and final performance.The surface cleaning technology of material and quality have become the technical bottleneck of restriction superconducting material industrialization, its achievement in research also has very big transport property in whole material field, so this several years superconducting material surface cleaning and the technical study of all kinds of novel material surface cleaning also more and more obtain industry scientific and technical personnel's attention.
The state of surface and oil contaminant is mainly all kinds of organic greases, according to greasy breediness, the performance of material own and machining process, the method of deoiling is not quite similar again, but at present the most conventional method of taking mainly is that metal cleaner or organic solvent soak and with gauze mechanical scrub repeatedly, this method can effectively be deoiled, but mainly be limited by personnel's operation, inefficiency, the homogeneity of quality is relatively poor, and for porous oxygen free copper, oxygen free copper elongated tubular, the thin plug of mass etc., operation easier is big especially, can't ensure the quality of products, let alone industrialization.Though the new technology of chemical deoiling and degreasing has obtained industry personage's generally attention and has also opened a lot of laboratory studyes, but the technological process of cleaning owing to deoil control and final quality are limited by the own performance of component variety characteristic, material, the specification framework of material own, the course of processing and the greasy dirt of surface and oil contaminant produces principle, the technological feasibility of purging method, parameter selection and the coupling and the project equipment etc. of cleaning, difficulty at differing materials research is big, and the paces that the mass industrialization is cleaned just just begin.
Problems of the prior art: (1) needs mechanical scrub, and operation easier great purge efficient is low; (2) quality deterioration phenomenons such as surface tear bending often appear in material in the scouring process; (3) clean surface quality homogeneity can't guarantee; (4) bleed mouth, elongated tubular etc. can't clean.
Summary of the invention
The technical problem that solves
For fear of the deficiencies in the prior art part, the present invention proposes a kind of method of deoiling that is used for the complex construction oxygen free copper of superconducting material, proposed to clean superconducting material with key equipment topology layout and processing parameter in the method for suppersonic cleaning of specific complex construction oxygen free copper and bronze material, these parameters selections and coupling are the critical aspects of technological invention.
Technical scheme
A kind of method of deoiling that is used for the complex construction oxygen free copper of superconducting material is characterized in that step is as follows:
Step 1: water is added in the cell body, and water level is higher than the ultrasonic vibration plate of sidepiece top 2～5cm; Add the chemical deoiling and degreasing clean-out system then, the concentration of the matting dosage of adding is: 6～10kg/l;
Step 2: with liquid heat to 40～50 that mix in the cell body ℃;
Step 3: be cleaned the oxygen free copper material and be placed into liquid and submergence according to processing requirement;
Step 4: both sides and bottom at cell body are provided with the ultrasonic wave vibration plate, and with the ultrasonic frequency generation ultrasonic wave of 25～35KHz, the ultrasonic vibration time is 15～20min; Ultrasonic power is distributed as: 2 of bottoms, every 4000W, each 1 every 3000W of both sides;
Step 5: close ultrasonic-frequency power supply after scavenging period reaches, taking-up is cleaned the oxygen free copper material and with the tap water flushing, finishes the cleaning that is cleaned the oxygen free copper material.
Described cell body is long to be 900mm, and wide is 500mm, and height is 600mm.
Beneficial effect
A kind of method of deoiling that is used for the complex construction oxygen free copper of superconducting material that the present invention proposes is prepared chemical solvents in specific cell body; Chemical solvents is heated to processing requirement temperature and constant temperature; Open the ultrasonic work of ultrasonic power; Be cleaned material and be placed into liquid and submergence according to processing requirement; Close ultrasonic-frequency power supply after scavenging period reaches, taking-up is cleaned material and washes with tap water.
The invention has the beneficial effects as follows:
Meet the chemical reaction mechanism that greasy dirt emulsification is decomposed from technological principle; Avoided mechanical scrub, the efficient height has been liberated operator; Can not influence the structure property of material own and quality deterioration phenomenons such as surface tear bending can not occur; Can guarantee clean surface quality homogeneity; The material with complex structure such as mouth, elongated tubular of bleeding can clean smoothly.Solve the technical quality bottleneck in the superconducting material whole production flow process, produced stronger economic benefit.
Description of drawings
Fig. 1: the sectional view of porous oxygenless copper material
Embodiment
Now in conjunction with the embodiments, accompanying drawing is further described the present invention:
The present invention is that the embodiment steps flow chart is:
Dosing → intensification constant temperature → unlatching is ultrasonic → and material places and location → cleaning → discharging
Step 1: (the effective inside dimension of cell body is the high 600mm of the wide 500mm* of long 900mm*) obtain solution in specific cell body, add tap water earlier, water level is higher than the ultrasonic vibration plate of sidepiece top 2～5cm, add the chemical deoiling and degreasing clean-out system for preparing, the composition of the chemical of selecting includes promising tensio-active agent+sodium hydroxide+superfluous mixture+chemical assistant, the effect of tensio-active agent is to reduce greasy dirt and solution interface surface tension, makes greasy dirt pass through chemical emulsification, dispersion and solubilising and removes; The sodium hydroxide effect is to guarantee alkaline condition so that improve the power of chemical reaction; The effect of superfluous mixture and chemical assistant is to form complex compound in case hard water reduces the solution quality with calcium ion in the solution and magnesium ion, keeps the stable and stable effect of solution property of solution PH simultaneously.The concentration of matting dosage is: 6～10kg/l slowly adds and stirs;
Step 2: chemical solvents is heated to processing requirement temperature and constant temperature, and wherein well heater is arranged on side bottom; The temperature controlling range of chemical solvents is 40～50 ℃, and wherein S3.38 plug cleaning temperature is controlled at 40～45 ℃, and material with complex structure temperature such as porous oxygen free copper are controlled at 45～50 ℃;
Step 3: open the ultrasonic work of ultrasonic power, the ultrasonic wave vibration plate be distributed as both sides and bottom totally three parts so that can both realize cleaning for all kinds of complex construction materials such as porous copper, the thin plugs of mass; Ultrasonic frequency is 25～35KHz, and wherein effects such as the mutual interference of generation ultrasonic wave phase, counteracting, influence guarantee the maximum efficiency performance of ultrasonic ability for fear of the different directions frequency is identical, and three part power produce certain difference; Ultrasonic power is distributed as: end 4000W/ piece * 2+ side 3000W/ piece * 2 guarantees all can reach higher cleaning quality inside and outside all size material surface;
Step 4: be cleaned material and be placed into liquid and submergence according to processing requirement, scavenging period is 15～20min;
Step 5: close ultrasonic-frequency power supply after scavenging period reaches, taking-up is cleaned material and washes with tap water.
This invents theoretic feasibility and beneficial effect: the chemical solvents main component is tensio-active agent (emulsifying agent), can do the time spent with specific grease and reduce surface tension, can carry out the chemical emulsification reaction fully comprehensively, and is feasible on the mechanism; Ultrasonic wave has stronger mechanically peel effect to grease simultaneously, helps the mechanical dispersion grease, has strengthened the active area of grease and chemical solvents; Simultaneously in order in specific rule cell body, to clean the specific standard structural materials, be provided with bottom and the ultrasonic distribution in both sides, ultrasonic frequency suitably staggers in case the phase mutual interference simultaneously, so both guaranteed that the structure complex feedstock can guarantee cleaning quality, the placement of having avoided the complicacy of specification framework and material again produces restriction to the core process effect of ultrasonic cleaning and impacts, and is the critical aspects of invention; Selected simultaneously parameter area by experiment, this also is the main aspect of invention.
The specific embodiment of the inventive method is described:
Embodiment 1: the in batches cleaning of S3.38 oxygen free copper plug: S3.38mm (opposite side distance 3.38mm), length are that 769～780 copper plug disperses to be placed in the cell body, and put into quantity is 600 at every turn, and putting into total surface area is 8.25m
2, its power density is 1700W/m
2(0.17W/cm
2); Ultrasonic unlatching is that open simultaneously bottom, both sides, has guaranteed all can reach cleaning performance preferably on all plug all directions; Clean rear surface acetone wiping, no smeary existence, surface wettability is tested and is shown and deoil more thoroughly, does not also have oil residues in the follow-up cleaning process and swims in fluid surface; Under specific ultrasonic layout and parameter were selected, the cleaning quality homogeneity on each face of plug was strong, and better, the suitable overlap joint between the plug does not have obvious influence to the surface quality of deoiling;
Embodiment 2: the cleaning of porous oxygenless copper material: the have an appointment porous oxygenless copper material of 160 ￠ 10mm endoporus of long 570mm, uniform distribution, and droping to the ground is placed in the cell body, and put into quantity is 1 at every turn, and putting into total surface area is 3.5m
2, its power density is 4000W/m
2(0.4W/cm
2);
Ultrasonic unlatching is that open simultaneously bottom, both sides, rule was put into the cell body middle part when material crouched and to put, the location that guarantees to reach up and down left and right directions make the ultrasonic vibration plate in both sides and two end faces of material over against, thereby make each endoporus that ultransonic effect be arranged again, at utmost effectively guaranteed ultransonic ability; Clean rear surface acetone wiping, no smeary existence, surface wettability is tested and is shown and deoil more thoroughly, does not also have oil residues in the follow-up cleaning process and swims in fluid surface; Under specific ultrasonic layout and parameter selection, material all surface cleaning quality homogeneity is strong; Porous copper cross section structure such as Fig. 1.
Claims (2)
1. method of deoiling that is used for the complex construction oxygen free copper of superconducting material is characterized in that step is as follows:
Step 1: water is added in the cell body, and water level is higher than the ultrasonic vibration plate of sidepiece top 2～5cm; Add the chemical deoiling and degreasing clean-out system then, the concentration of the matting dosage of adding is: 6～10kg/l;
Step 2: with liquid heat to 40～50 that mix in the cell body ℃;
Step 3: be cleaned the oxygen free copper material and be placed into liquid and submergence according to processing requirement;
Step 4: both sides and bottom at cell body are provided with the ultrasonic wave vibration plate, and with the ultrasonic frequency generation ultrasonic wave of 25～35KHz, the ultrasonic vibration time is 15～20min; Ultrasonic power is distributed as: 2 of bottoms, every 4000W, each 1 every 3000W of both sides;
Step 5: close ultrasonic-frequency power supply after scavenging period reaches, taking-up is cleaned the oxygen free copper material and with the tap water flushing, finishes the cleaning that is cleaned the oxygen free copper material.
2. a kind of method of deoiling that is used for the complex construction oxygen free copper of superconducting material according to claim 1 is characterized in that: described cell body is long to be 900mm, and wide is 500mm, and height is 600mm.
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|---|---|---|---|
| CN2011102219556A CN102277588A (en) | 2011-08-04 | 2011-08-04 | Deoiling method of oxygen free copper with complex structure for superconducting material |
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|---|---|---|---|
| CN2011102219556A CN102277588A (en) | 2011-08-04 | 2011-08-04 | Deoiling method of oxygen free copper with complex structure for superconducting material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032825A (en) * | 2015-07-09 | 2015-11-11 | 成都点石创想科技有限公司 | Deoiling method for preparing superconducting material base material |
| CN110923724A (en) * | 2019-12-31 | 2020-03-27 | 无锡隆达金属材料有限公司 | Surface degreasing process for small-caliber copper alloy pipe |
| CN113373483A (en) * | 2021-06-10 | 2021-09-10 | 中国科学院近代物理研究所 | Preparation method of copper-based thick-wall niobium-based superconducting cavity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728203U (en) * | 2010-06-23 | 2011-02-02 | 上海科邦医用乳胶器材有限公司 | Ultrasonic cleaning tank |
-
2011
- 2011-08-04 CN CN2011102219556A patent/CN102277588A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201728203U (en) * | 2010-06-23 | 2011-02-02 | 上海科邦医用乳胶器材有限公司 | Ultrasonic cleaning tank |
Non-Patent Citations (1)
| Title |
|---|
| 周光天: "超声波技术在柴油机机体清洗上的应用", 《柴油机》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032825A (en) * | 2015-07-09 | 2015-11-11 | 成都点石创想科技有限公司 | Deoiling method for preparing superconducting material base material |
| CN110923724A (en) * | 2019-12-31 | 2020-03-27 | 无锡隆达金属材料有限公司 | Surface degreasing process for small-caliber copper alloy pipe |
| CN113373483A (en) * | 2021-06-10 | 2021-09-10 | 中国科学院近代物理研究所 | Preparation method of copper-based thick-wall niobium-based superconducting cavity |
| CN113373483B (en) * | 2021-06-10 | 2022-11-15 | 中国科学院近代物理研究所 | Preparation method of copper-based thick-wall niobium-based superconducting cavity |
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Application publication date: 20111214 |