CN102912330B - Processing process for coating copper to steel pipe - Google Patents
Processing process for coating copper to steel pipe Download PDFInfo
- Publication number
- CN102912330B CN102912330B CN201210377677.8A CN201210377677A CN102912330B CN 102912330 B CN102912330 B CN 102912330B CN 201210377677 A CN201210377677 A CN 201210377677A CN 102912330 B CN102912330 B CN 102912330B
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- Prior art keywords
- copper
- groove
- color
- covering
- cover
- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 239000010949 copper Substances 0.000 title claims abstract description 162
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 162
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000011248 coating agent Substances 0.000 title abstract description 15
- 238000000576 coating method Methods 0.000 title abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 21
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002932 luster Substances 0.000 claims abstract description 10
- 229910000365 copper sulfate Inorganic materials 0.000 claims abstract description 9
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 8
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 7
- -1 limit edged stirs Chemical compound 0.000 claims description 7
- 230000003020 moisturizing effect Effects 0.000 claims description 7
- 238000002161 passivation Methods 0.000 claims description 7
- 235000012736 patent blue V Nutrition 0.000 claims description 7
- 230000008685 targeting Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 2
- 229910000928 Yellow copper Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Chemical Treatment Of Metals (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a steel pipe processing technology in the field of refrigeration, in particular to a processing process for coating copper to a steel pipe. The processing process comprises the steps as follows: uniformly laying a layer of solid copper sulfate at the bottom of a copper coating reaction groove, controlling the usage amount of the solid copper sulfate to be 38-42 kg, starting a circulating pump, driving groove liquid in a copper coating groove into the copper coating reaction groove, when the groove liquid in the copper coating reaction groove reaches a certain liquid level, reflowing to the copper coating groove through a guide hole, controlling an inlet valve of the circulating pump, and keeping the liquid levels of the copper coating groove and the copper coating reaction groove to be stable; placing a pipe into the copper coating reaction groove, guaranteeing the groove liquid to fully immerse the pipe by 20-30 mm, and observing the liquid levels of the reaction groove and the copper coating groove so as to promptly adjust the liquid levels; observing the color and the luster of the surface of the pipe after being coated with the copper; and if the color and the luster of the surface of the pipe are found to be bright and the color is found to be golden yellow, stopping copper coating, taking out the pipe, and carrying out subsequent processing such as washing and passivating. The processed product has the characteristics as follows: the quality is higher, the color and the luster of the surface are bright, the color is golden yellow, the adhesion force is compact, and phenomena such as missing coating, stripping, dropping, porphyritic block stacking and the like of a coating on the surface are avoided.
Description
Technical field
The present invention relates to refrigerating field steel pipe processing technology, specifically relate to a kind of steel pipe and cover Copper fabrication technique.
Background technology
In refrigeration technology field, for the steel pipe of refrigeration equipment, in its course of processing, need to cover Copper treatment to its surface, to form the general golden yellow copper coating of bright in color.Phenomenons such as existingly covering in copper processing techniques, copper clad steel pipe after treatment, top coat easily exists holiday, peel off and come off occurs, has a strong impact on quality product.
Summary of the invention
In order to solve the technical problem existed in prior art, the good steel pipe of a kind for the treatment of effect is the object of the present invention is to provide to cover Copper fabrication technique.
The technical solution used in the present invention is as follows:
Steel pipe covers Copper fabrication technique, it is characterized in that, step is as follows:
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove adding water to half liquid level, adding and covering copper agent 75 ~ 85kg, 45 ~ 55kg vitriol oil fast, then moisturizing is to notch 50 ~ 80mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 20 ~ 35 DEG C, then add 70 ~ 80kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 38 ~ 42kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 20 ~ 30mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 9 ~ 11kg solid sulphuric acid copper, 4 ~ 6kg vitriol oil and 4 ~ 6kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Cover the tubing after Copper fabrication processes through steel pipe of the present invention, quality product is higher, its surface color light, the general golden yellow of color, and sticking power is tight, top coat without holiday, peel off, come off, the phenomenon such as plaque-like block accumulation.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, and wherein, all raw materials are commercial grade.
Embodiment 1
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove add water to half liquid level, add and cover copper agent 75kg, 55kg vitriol oil fast, then moisturizing is to notch 50 ~ 55mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 20 DEG C, then add 75kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 42kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 20 ~ 24mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 9kg solid sulphuric acid copper, the 4kg vitriol oil and 5.5kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Embodiment 2
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove add water to half liquid level, add and cover copper agent 78kg, 53kg vitriol oil fast, then moisturizing is to notch 60 ~ 65mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 24 DEG C, then add 70kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 38kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 23 ~ 25mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 10kg solid sulphuric acid copper, the 5kg vitriol oil and 6kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Embodiment 3
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove add water to half liquid level, add and cover copper agent 80kg, 50kg vitriol oil fast, then moisturizing is to notch 70 ~ 80mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 26 DEG C, then add 80kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 39kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 25 ~ 28mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 11kg solid sulphuric acid copper, the 5.5kg vitriol oil and 4kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Embodiment 4
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove add water to half liquid level, add and cover copper agent 82kg, 48kg vitriol oil fast, then moisturizing is to notch 65 ~ 75mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 30 DEG C, then add 78kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 40kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 26 ~ 30mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 10.5kg solid sulphuric acid copper, the 4.5kg vitriol oil and 4.5kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Embodiment 5
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove add water to half liquid level, add and cover copper agent 85kg, 45kg vitriol oil fast, then moisturizing is to notch 55 ~ 70mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 35 DEG C, then add 72kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 41kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 28 ~ 30mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 9.5kg solid sulphuric acid copper, the 6kg vitriol oil and 5kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Above content is only conceive example and explanation to the present invention; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the design of invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (1)
1. steel pipe covers Copper fabrication technique, it is characterized in that, step is as follows:
1., by 10m
3cover copper groove and 10m
3cover copper reactive tank to clean up, ensure in groove without any impurity, booty; Inspection covers copper groove and covers copper reactive tank whether have damage, leak phenomenon, runs well in order to avoid affect unit; Whether inspection recycle pump, heat pump work well;
2., to covering in copper groove adding water to half liquid level, adding and covering copper agent 75 ~ 85kg, 45 ~ 55kg vitriol oil fast, then moisturizing is to notch 50 ~ 80mm place;
Then open heat pump, will cover tank liquor temperature in copper groove and be raised to 20 ~ 35 DEG C, then add 70 ~ 80kg solid sulphuric acid copper, limit edged stirs, and copper sulfate can fully be dissolved, and now tank liquor color is general sky blue;
3., to covering copper reaction tank bottom even lay one deck solid sulphuric acid copper, solid sulphuric acid copper consumption is 38 ~ 42kg, start recycle pump, being squeezed into by the tank liquor covered in copper groove covers in copper reactive tank, when covering that in copper reactive tank, tank liquor reaches certain liquid level, be back to by targeting port and cover copper groove, controlled circulation pump inlet valve, keep covering copper groove and covering copper reactive tank level stability;
4., by tubing be positioned over and cover in copper reactive tank, guarantee the complete submergence tubing of tank liquor 20 ~ 30mm, observing response groove and cover copper tank liquor position, to adjust in time;
5., observing tubing covers copper rear surface color and luster, if when finding more shallow, the tarnish of color, add 9 ~ 11kg solid sulphuric acid copper, 4 ~ 6kg vitriol oil and 4 ~ 6kg and cover copper agent fast to covering in copper reactive tank, and stir, continuous observation color;
If 6. find tube surfaces bright in color, the general golden yellow of color, then stop covering copper, take out tubing, carry out follow-up washing, passivation processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377677.8A CN102912330B (en) | 2012-09-30 | 2012-09-30 | Processing process for coating copper to steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377677.8A CN102912330B (en) | 2012-09-30 | 2012-09-30 | Processing process for coating copper to steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102912330A CN102912330A (en) | 2013-02-06 |
| CN102912330B true CN102912330B (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210377677.8A Expired - Fee Related CN102912330B (en) | 2012-09-30 | 2012-09-30 | Processing process for coating copper to steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102912330B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876697A (en) * | 2017-11-27 | 2018-04-06 | 安徽省岳西缸套有限公司 | The production technology of gold cylinder sleeve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075174A (en) * | 1993-01-17 | 1993-08-11 | 河北工学院 | Rust-resisting process technology for copper-platedwelding-wire |
| CN102029089A (en) * | 2010-08-31 | 2011-04-27 | 北大方正集团有限公司 | System and method for circulating and filtering chemical copper deposition solution |
-
2012
- 2012-09-30 CN CN201210377677.8A patent/CN102912330B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075174A (en) * | 1993-01-17 | 1993-08-11 | 河北工学院 | Rust-resisting process technology for copper-platedwelding-wire |
| CN102029089A (en) * | 2010-08-31 | 2011-04-27 | 北大方正集团有限公司 | System and method for circulating and filtering chemical copper deposition solution |
Non-Patent Citations (1)
| Title |
|---|
| 置换镀铜气保焊丝生产工艺研究;陈启武;《金属制品》;20011231;第27卷(第6期);17-19 * |
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| Publication number | Publication date |
|---|---|
| CN102912330A (en) | 2013-02-06 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Processing process for coating copper to steel pipe Effective date of registration: 20161209 Granted publication date: 20150422 Pledgee: Merchants Bank of Hefei Economic Development Zone Branch Pledgor: Hefei Great Wall Refrigeration Technology Co., Ltd. Registration number: 2016340000100 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170809 Granted publication date: 20150422 Pledgee: Merchants Bank of Hefei Economic Development Zone Branch Pledgor: Hefei Great Wall Refrigeration Technology Co., Ltd. Registration number: 2016340000100 |
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Effective date of registration: 20190213 Address after: 230601 Tiandu Road 139, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: HEFEI TAITONG REFRIGERATING TECHNOLOGY CO., LTD. Address before: 230601 Peach Blossom Industrial Zone, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: Hefei Great Wall Refrigeration Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20190930 |