CN108000083A - A kind of production technology for rolling monolithic devices stainless steel steel finned tube - Google Patents
A kind of production technology for rolling monolithic devices stainless steel steel finned tube Download PDFInfo
- Publication number
- CN108000083A CN108000083A CN201711266482.5A CN201711266482A CN108000083A CN 108000083 A CN108000083 A CN 108000083A CN 201711266482 A CN201711266482 A CN 201711266482A CN 108000083 A CN108000083 A CN 108000083A
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- Prior art keywords
- rolling
- finned tube
- tube
- coating
- steel
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Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 239000010935 stainless steel Substances 0.000 title claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000000084 colloidal system Substances 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000005461 lubrication Methods 0.000 claims description 17
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 5
- 238000010129 solution processing Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Steel (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of production technology for rolling monolithic devices stainless steel steel finned tube, which includes the following steps：Special colloid lubricant coating is carried out in raw material inside pipe wall, then using through mode heating in medium frequency mode, coating drying and other treatment is carried out to the materials in the tube after inside coating, the steel pipe after heating carries out outer surface lubricant coating；Rolling mill practice carries out mould and technique adjustment by pass schedule；Finned tube carries out solution treatment by the online spraying cooling water circulation system automatically controlled after rolling；Finned tube is sent into Runout area by roller-way, carries out initial survey, sawing, end Vehicle Processing, deburring etc.；Finned tube must be carried out before storage by the root water pressure test；After above-mentioned technique, the overall production in order of rolling monolithic devices stainless steel steel finned tube is realized, rolling monolithic finned tube application is wider, improves the service life of rolling monolithic devices stainless steel steel finned tube production technology.
Description
Technical field
The present invention relates to a kind of heating tube field, more particularly to a kind of life for rolling monolithic devices stainless steel steel finned tube
Production. art.
Background technology
Monolithic finned tube has incomparable superiority.The domestic monolithic finned tube for having developed common steel rolls at present
Production technology processed, but the kind produced is only limitted to carbon steel material.
Since many occasions using finned tube are there is serious corrosive environment, the countermeasure one of use is surface anticorrosion,
On the other hand it is exactly to select anti-corrosion new material.It is very big using above receiving because of factors such as the performance of surface anticorrosion mode, service lifes
Limitation, therefore, the monolithic devices rolled finned tube of stainless steel have the application scenarios of uniqueness.
At present, it is domestic and fail to realize in the world produce rolled applied to the monolithic devices of the industries such as boiler, power generation it is stainless
The finned tube of steel material.
The content of the invention
The problem to be solved in the present invention be propose it is a kind of by using materials in the tube inner wall and the lubricating layer coating process of appearance
Method and the method for stainless steel finned tube on-line solution processing realize the overall orderly of rolling monolithic devices stainless steel steel finned tube
Production so that and raising rolling monolithic devices stainless steel steel finned tube production technology wider with rolling monolithic finned tube application
Service life.
To achieve the above object, the present invention provides it is a kind of roll monolithic devices stainless steel steel finned tube production technology,
The production technology includes the following steps：
Step 1：The processing of mother tube inside coating
Raw material inside pipe wall carries out special colloid lubricant coating, applies layer thickness degree≤0.2mm, and the melting temperature of coating after desiccation≤
900℃；
Step 2：Drying and processing
Using through mode heating in medium frequency mode, 250 ± 20 DEG C, 30 ± 3m/min of speed of temperature, to the materials in the tube after inside coating into
Row coating drying and other treatment；
Step 3：Heat
Full-automatic Frequency Induction Heating is used before rolling, heating-up temperature is at 1210 ± 10 DEG C；And by detecting carry out closed loop in real time
Automatically control sensing electric current, control accuracy ± 10 DEG C；
Step 4：Mother tube periphery coating treatment
Outer surface of steel tube lubricant coating after heating, using 850 ± 50 DEG C of special solid lubrication squares of fusing point, in contact high temperature
The appearance coating of lubricating layer after tube body；When the materials in the tube after detecting heating are reached below lubrication square, lubrication square is by machine
Tool hand falls and contacts high temperature tube body automatically after unclamping, and with the rotation of tube body, is allowed to melt and is spread evenly across tube body appearance,
When materials in the tube are left, lubrication square is clamped automatically by manipulator and fixed, the wait subsequent work cycle；
Step 5：Rolling process
Rolling mill practice carries out mould and technique adjustment by pass schedule；Rolling plug uses open water-cooling pattern, and Shui Ya≤
0.3MPa；
Step 6：Solution treatment
Using the high-temperature residual heat for rolling rear finned tube, in rolling exit, there is open plug cooling water to flow through fin pipe orifice；Together
When be provided with the online spraying cooling water circulation system equipment of the through mode automatically controlled, the periphery coating of high temperature finned tube is given
The chilling of certain pressure and water, Shui Ya≤0.3MPa, Liu Liang≤150L/min, so as to achieve the purpose that on-line solution is handled；
Step 7：Finishing is handled
Finned tube passes through is sent into Runout area by roller-way, carries out initial survey, sawing, end Vehicle Processing, deburring；
Step 8：Examine
Inspection content includes：The sampling of size, specification, surface quality and mechanical performance, metallographic structure detection project；
Step 9：The water pressure test
Finned tube must be carried out before storage by the root water pressure test.
Preferably, rolling plug uses open water-cooling pattern, Shui Ya≤0.3MPa.
Preferably, finned tube carries out solid solution by the online spraying cooling water circulation system automatically controlled after the rolling
Reason, Shui Ya≤0.3 MPa, Liu Liang≤150L/min.
Preferably, the outer surface lubricant coating that the steel pipe after the heating carries out, using 850 ± 50 DEG C of special solids of fusing point
Square is lubricated, the appearance coating of lubricating layer is realized after high temperature tube body is contacted.
Compared with prior art, it is of the invention that there are following advantages：
Outer surface of steel tube lubricant coating after heating, using 850 ± 50 DEG C of special solid lubrication squares of fusing point, in contact high temperature
The appearance coating of lubricating layer after tube body；When the materials in the tube after detecting heating are reached below lubrication square, lubrication square is by machine
Tool hand falls and contacts high temperature tube body automatically after unclamping, and with the rotation of tube body, is allowed to melt and is spread evenly across tube body appearance,
When materials in the tube are left, lubrication square is clamped and fixed by manipulator automatically, waits the subsequent work cycle, which can ensure to roll
The overall production in order of monolithic devices stainless steel steel finned tube processed.
Using the high-temperature residual heat for rolling rear finned tube, in rolling exit, there is open plug cooling water to flow through in finned tube
Hole；The online spraying cooling water circulation system equipment of the through mode automatically controlled is provided with the same time, the periphery of high temperature finned tube is applied
Layer gives certain pressure and the chilling of water, Shui Ya≤0.3MPa, Liu Liang≤150L/min, so as to reach on-line solution processing
Purpose, the technique cause and raising rolling monolithic devices stainless steel steel finned tube wider with rolling monolithic finned tube application to give birth to
The service life of production. art.
Brief description of the drawings
Fig. 1 is the fin tube structure schematic diagram of the present invention.
Fig. 2 is the production technological process of present invention rolling monolithic devices stainless steel steel finned tube.
Embodiment
A kind of production technology of rolling monolithic devices stainless steel steel finned tube of the embodiment of the present invention comprises the following steps：
Step 1：The processing of mother tube inside coating
Raw material inside pipe wall carries out special colloid lubricant coating, applies layer thickness degree≤0.2mm, and the melting temperature of coating after desiccation≤
900℃；
Step 2：Drying and processing
Using through mode heating in medium frequency mode, 250 ± 20 DEG C, 30 ± 3m/min of speed of temperature, to the materials in the tube after inside coating into
Row coating drying and other treatment；
Step 3：Heat
Full-automatic Frequency Induction Heating is used before rolling, heating-up temperature is at 1210 ± 10 DEG C；And by detecting carry out closed loop in real time
Automatically control sensing electric current, be allowed to temperature uniformly, stablize, within control accuracy ± 10 DEG C；
Step 4：Mother tube periphery coating treatment
The outer surface lubricant coating that steel pipe after heating carries out, using 850 ± 50 DEG C of special solid lubrication squares of fusing point, is connecing
Realize that the appearance of lubricating layer is coated with after touching high temperature tube body；When the materials in the tube after detecting heating are reached below " lubrication square ", " profit
Sliding square " falls and contacts high temperature tube body automatically after being unclamped by manipulator, with the rotation of tube body, is allowed to melt simultaneously even spread
In tube body appearance, when materials in the tube are left, " lubrication square " is clamped automatically by manipulator and fixed, the wait subsequent work cycle；
Step 5：Rolling process
Rolling mill practice carries out mould and technique adjustment by pass schedule；Rolling plug uses open water-cooling pattern, and Shui Ya≤
0.3MPa；
Step 6：Solution treatment
Using the high-temperature residual heat for rolling rear finned tube, in rolling exit, there is open plug cooling water to flow through fin pipe orifice；Together
When be provided with the online spraying cooling water circulation system equipment of the through mode automatically controlled, the periphery coating of high temperature finned tube is given
The chilling of certain pressure and water, Shui Ya≤0.3MPa, Liu Liang≤150L/min, so as to achieve the purpose that on-line solution is handled；
Step 7：Finishing is handled
Finned tube passes through is sent into Runout area by roller-way, carries out initial survey, sawing, end Vehicle Processing, deburring etc.；
Step 8：Examine
Inspection content includes：The sampling etc. of size, specification, surface quality and mechanical performance, metallographic structure detection project；
Step 9：The water pressure test
Finned tube must be carried out before storage by the root water pressure test.
In the step, mother tube is using the steel pipe for the stainless steel for meeting GB5310 standards, rolling plug use
Open water-cooling pattern, Shui Ya≤0.3MPa, the outer surface lubricant coating that the steel pipe after heating carries out, using fusing point 850 ± 50
DEG C special solid lubrication square, realizes the appearance coating of lubricating layer, finned tube by controlling automatically after rolling after high temperature tube body is contacted
The online spraying cooling water circulation system of system carries out solution treatment, Shui Ya≤0.3MPa, Liu Liang≤150L/min.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (4)
- A kind of 1. production technology for rolling monolithic devices stainless steel steel finned tube, it is characterised in that：The technique includes the following steps：Step 1：The processing of mother tube inside coatingRaw material inside pipe wall carries out special colloid lubricant coating, applies layer thickness degree≤0.2mm, and the melting temperature of coating after desiccation≤ 900℃；Step 2：Drying and processingUsing through mode heating in medium frequency mode, 250 ± 20 DEG C, 30 ± 3m/min of speed of temperature, to the materials in the tube after inside coating into Row coating drying and other treatment；Step 3：HeatFull-automatic Frequency Induction Heating is used before rolling, heating-up temperature is at 1210 ± 10 DEG C；And by detecting carry out closed loop in real time Automatically control sensing electric current, control accuracy ± 10 DEG C；Step 4：Mother tube periphery coating treatmentOuter surface of steel tube lubricant coating after heating, using 850 ± 50 DEG C of special solid lubrication squares of fusing point, in contact high temperature The appearance coating of lubricating layer after tube body；When the materials in the tube after detecting heating are reached below lubrication square, lubrication square is by machine Tool hand falls and contacts high temperature tube body automatically after unclamping, and with the rotation of tube body, is allowed to melt and is spread evenly across tube body appearance, When materials in the tube are left, lubrication square is clamped automatically by manipulator and fixed, the wait subsequent work cycle；Step 5：Rolling processRolling mill practice carries out mould and technique adjustment by pass schedule；Rolling plug uses open water-cooling pattern, and Shui Ya≤ 0.3MPa；Step 6：Solution treatmentUsing the high-temperature residual heat for rolling rear finned tube, in rolling exit, there is open plug cooling water to flow through fin pipe orifice；Together When be provided with the online spraying cooling water circulation system equipment of the through mode automatically controlled, the periphery coating of high temperature finned tube is given The chilling of certain pressure and water, Shui Ya≤0.3MPa, Liu Liang≤150L/min, so as to achieve the purpose that on-line solution is handled；Step 7：Finishing is handledFinned tube passes through is sent into Runout area by roller-way, carries out initial survey, sawing, end Vehicle Processing, deburring；Step 8：ExamineInspection content includes：The sampling of size, specification, surface quality and mechanical performance, metallographic structure detection project；Step 9：The water pressure testFinned tube must be carried out before storage by the root water pressure test.
- A kind of 2. production technology for rolling monolithic devices stainless steel steel finned tube according to claim 1, it is characterised in that： Rolling plug uses open water-cooling pattern, Shui Ya≤0.3MPa.
- A kind of 3. production technology for rolling monolithic devices stainless steel steel finned tube according to claim 1, it is characterised in that： The outer surface lubricant coating that steel pipe after heating carries out is high in contact using 850 ± 50 DEG C of special solid lubrication squares of fusing point The appearance coating of lubricating layer is realized after warm tube body.
- A kind of 4. production technology for rolling monolithic devices stainless steel steel finned tube according to claim 1, it is characterised in that： Finned tube carries out solution treatment, water pressure≤0.3MPa, flow by the online spraying cooling water circulation system automatically controlled after rolling ≧150L/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266482.5A CN108000083B (en) | 2017-12-05 | 2017-12-05 | Production process for rolling integral stainless steel finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266482.5A CN108000083B (en) | 2017-12-05 | 2017-12-05 | Production process for rolling integral stainless steel finned tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108000083A true CN108000083A (en) | 2018-05-08 |
| CN108000083B CN108000083B (en) | 2020-04-24 |
Family
ID=62056398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711266482.5A Active CN108000083B (en) | 2017-12-05 | 2017-12-05 | Production process for rolling integral stainless steel finned tube |
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| Country | Link |
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| CN (1) | CN108000083B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650143A (en) * | 2008-08-14 | 2010-02-17 | 张诗林 | Finned tube and method for processing same |
| CN102581583A (en) * | 2011-01-14 | 2012-07-18 | 浙江宏天铜业有限公司 | Copper heat tube with high-tooth fins and production technology of copper heat tube |
| DE102013220031A1 (en) * | 2012-10-02 | 2014-04-03 | Behr Gmbh & Co. Kg | Heat exchanger |
| CN104646978A (en) * | 2015-01-06 | 2015-05-27 | 广东万和新电气股份有限公司 | Manufacturing method for tube fin-type stainless steel heat exchanger |
| CN105251787A (en) * | 2015-09-23 | 2016-01-20 | 中国钢研科技集团有限公司 | Clean production method for rolled type finned heat radiation pipe |
| CN105964695A (en) * | 2016-06-12 | 2016-09-28 | 黄卫国 | Production process for steel-based rolled integral type finned tube |
-
2017
- 2017-12-05 CN CN201711266482.5A patent/CN108000083B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650143A (en) * | 2008-08-14 | 2010-02-17 | 张诗林 | Finned tube and method for processing same |
| CN102581583A (en) * | 2011-01-14 | 2012-07-18 | 浙江宏天铜业有限公司 | Copper heat tube with high-tooth fins and production technology of copper heat tube |
| DE102013220031A1 (en) * | 2012-10-02 | 2014-04-03 | Behr Gmbh & Co. Kg | Heat exchanger |
| CN104646978A (en) * | 2015-01-06 | 2015-05-27 | 广东万和新电气股份有限公司 | Manufacturing method for tube fin-type stainless steel heat exchanger |
| CN105251787A (en) * | 2015-09-23 | 2016-01-20 | 中国钢研科技集团有限公司 | Clean production method for rolled type finned heat radiation pipe |
| CN105964695A (en) * | 2016-06-12 | 2016-09-28 | 黄卫国 | Production process for steel-based rolled integral type finned tube |
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| Publication number | Publication date |
|---|---|
| CN108000083B (en) | 2020-04-24 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200311 Address after: 225300 69-5 Century Avenue, Jiulong Town, Taizhou City, Jiangsu Province Applicant after: Zang Dongsheng Address before: 225312 Jiangsu Taizhou Hailin District Jiulong Town Shuangyang precision seamless steel tube company Applicant before: Huang Weiguo |
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| TA01 | Transfer of patent application right | ||
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| GR01 | Patent grant |