CN100542698C - A kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube - Google Patents
A kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube Download PDFInfo
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- CN100542698C CN100542698C CNB2006100950052A CN200610095005A CN100542698C CN 100542698 C CN100542698 C CN 100542698C CN B2006100950052 A CNB2006100950052 A CN B2006100950052A CN 200610095005 A CN200610095005 A CN 200610095005A CN 100542698 C CN100542698 C CN 100542698C
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- aviation
- pipe
- degreasing agent
- filler
- tube
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention discloses a kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube, at first the aviation pipe is fully immersed in 50-95 ℃ the degreasing agent 20-60 minute, takes out the aviation pipe then, with high pressure water washing aviation pipe inside and outside wall; When the flushing inwall, the aviation inside pipe wall of earlier filler being packed into is used high pressure water washing again.Described filler is one or more the mixture in foam, plastics, the chemical fibre.In the aviation pipe, be incorporated with filler when the special feature of this method is to clean inwall, use high pressure water washing again.Because filler has increased the friction with tube wall, make the degreasing of aviation inside pipe wall more thorough, clean totallyer, it is stronger to remove aviation pipe greasy dirt ability, can prevent effectively that more the aviation pipe from producing intercrystalline corrosion, improve the quality and the lumber recovery of aviation pipe, thereby increase economic efficiency.
Description
Technical field
The present invention relates to a kind of cleaning method, be specifically related to a kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube.
Background technology
Aviation pipe (mainly comprising high temperature alloy GH163 aviation pipe and 1Cr18Ni9Ti stainless steel tube) is the special-purpose manufactured materials of Aeronautics and Astronautics engine, is mainly used in the leading-edge fields such as space flight, aviation and nuclear energy.The aviation pipe belongs to the long product of high-tech and life cycle, and is very high to its quality requirement, therefore to the control of its production process particular importance that just seems.Because the production technology of aviation pipe is complicated, from the melting to tubing, its production process is various, in these production processes, adheres to greasy dirt easily on the aviation pipe inside and outside wall, contains more chlorinated paraffin wax in the greasy dirt, removes the comparison difficulty.And the existence of greasy dirt can cause the aviation pipe to produce intercrystalline corrosion in high-temperature heat treatment process, and intercrystalline corrosion is defective will directly to influence the quality of aviation pipe product.Therefore, removing greasy dirt is the indispensable treatment step of aviation pipe.Existing processing method is to utilize degreasing agent to remove the strong characteristics of greasy dirt ability, and the aviation pipe is immersed in the degreasing agent that keeps uniform temperature, treats after a while after grease dissolves fully the aviation pipe to be taken out, and gets final product with the clear water pressure flush.Because the aviation bore is less, the only several millimeters that have only soak by degreasing agent and greasy dirt can not be thoroughly removed in common flushing.
Summary of the invention
Exist at existing method and to clean halfway deficiency, the purpose of this invention is to provide cleaner, the method more completely of a kind of usefulness degreasing agent cleaning out of dirt on surface of aviation tube with the degreasing agent cleaning out of dirt on surface of aviation tube.
The object of the present invention is achieved like this: a kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube, at first the aviation pipe is fully immersed in 50-95 ℃ the degreasing agent 20-60 minute, and take out the aviation pipe then, with high pressure water washing aviation pipe inside and outside wall; When the flushing inwall, the aviation inside pipe wall of earlier filler being packed into is used high pressure water washing again.
Described filler is one or more the mixture in foam, plastics, the chemical fibre.
The filler of packing in the aviation pipe when special feature of this method is to clean inwall is used high pressure water washing again.Because filler has increased the friction with tube wall, make the degreasing of aviation inside pipe wall more thorough, clean totallyer, it is stronger to remove aviation pipe greasy dirt ability, can prevent effectively that more the aviation pipe from producing intercrystalline corrosion, improve the quality and the lumber recovery of aviation pipe, thereby increase economic efficiency.
The specific embodiment
Below in conjunction with embodiment this method is elaborated.
This cleaning method at first is fully immersed in the aviation pipe in 50-95 ℃ the degreasing agent 20-60 minute, takes out the aviation pipe then, with giant flushing aviation pipe inside and outside wall.When the flushing inwall, the aviation inside pipe wall of earlier filler being packed into washes with giant again.
Below provide three specific embodiments to help understanding the present invention.
| Embodiment | Degreaser is formed | Additive | The degreasing agent temperature (℃) | Soak time (minute) | Effect |
| 1 | 80g/L?NaOH+40g/L?Na 2CO 3+30g/L Na 3PO 412H 2O+15g/L?Na 2SiO 3 | In right amount | 50 | 60 | Better |
| 2 | 80g/L?NaOH+40g/L?Na 2CO 3+30g/L Na 3PO 412H 2O+15g/L?Na 2SiO 3 | In right amount | 70 | 30 | Better |
| 3 | 80g/L?NaOH+40g/L?Na 2CO 3+30g/L Na 3PO 412H 2O+20g/L?Na 2SiO 3 | In right amount | 95 | 20 | Fine |
Experimental result shows that the degreasing effect of embodiment 2 is good than embodiment 1, and the degreasing effect of embodiment 3 is best.Promptly along with the rising of degreasing agent temperature, the increase of degreasing agent concentration, degreasing effect improves, and degreasing time shortens.Because the degreasing agent temperature can not be too high, one is difficult to realize that two come the energy consumption height, so the degreasing agent temperature upper limit is 95 ℃ in this method.And the degreasing agent temperature can not be too low, otherwise chemical reaction is difficult to carry out, and saponification can't reach, so the degreasing agent lowest temperature is 50 ℃ in this method.Soak time is fully reacted with degreasing agent and greasy dirt and is advisable, and experiment shows that 20-60 minute soak time satisfies the degreasing needs fully.
Filler can be one or more the mixture in foam, plastics, the chemical fibre.
Additive in the last table refers to washing agent and corrosion inhibiter, and washing agent plays surfactant, improves clean result, and washing agent can be a neopelex.Corrosion inhibiter can be the derivative of thiocarbamide and thiocarbamide in order to delay aviation pipe corrosion process, can also be thioether and derivative thereof, pyridine and derivative thereof etc.
Claims (1)
1, a kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube is characterized in that: at first the aviation pipe is fully immersed in 50-95 ℃ the degreasing agent 20-60 minute, takes out the aviation pipe then, with high pressure water washing aviation pipe inside and outside wall; During inwall, the aviation inside pipe wall of earlier filler being packed into is used high pressure water washing again in flushing, and described filler is one or more the mixture in foam, plastics, the chemical fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100950052A CN100542698C (en) | 2006-07-31 | 2006-07-31 | A kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100950052A CN100542698C (en) | 2006-07-31 | 2006-07-31 | A kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1903454A CN1903454A (en) | 2007-01-31 |
| CN100542698C true CN100542698C (en) | 2009-09-23 |
Family
ID=37672903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100950052A Expired - Fee Related CN100542698C (en) | 2006-07-31 | 2006-07-31 | A kind of method with the degreasing agent cleaning out of dirt on surface of aviation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100542698C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019283B (en) * | 2011-01-06 | 2012-04-18 | 重庆钢铁(集团)有限责任公司 | Degreasing method for preventing intercrystalline corrosion of aeronautic stainless pipe |
| CN107671039A (en) * | 2017-09-04 | 2018-02-09 | 沃苏特电子科技（苏州）有限公司 | One kind efficiently washes edition technique |
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2006
- 2006-07-31 CN CNB2006100950052A patent/CN100542698C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1903454A (en) | 2007-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHONGQING IRON & STEEL INSTITUTE CO., LTD. Assignor: Chongqing iron and steel Refco Group Ltd Contract record no.: 2012500000058 Denomination of invention: Method for cleaning out of dirt on surface of aviation tube by using degreasing agent Granted publication date: 20090923 License type: Exclusive License Open date: 20070131 Record date: 20120703 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20120731 |