CN204153335U - A kind of seamless steel pipe for boiler blow-off pipeline - Google Patents
A kind of seamless steel pipe for boiler blow-off pipeline Download PDFInfo
- Publication number
- CN204153335U CN204153335U CN201420458063.7U CN201420458063U CN204153335U CN 204153335 U CN204153335 U CN 204153335U CN 201420458063 U CN201420458063 U CN 201420458063U CN 204153335 U CN204153335 U CN 204153335U
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- steel pipe
- magnesium alloy
- alloy layer
- resistant magnesium
- casting heat
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Abstract
The utility model discloses a kind of seamless steel pipe for boiler blow-off pipeline, comprise: steel pipe body, detachable anti-soil sleeve-board pipe, antifouling adhering coating and Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, the inwall of described steel pipe body is coated with described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, the outer wall of described steel pipe body being coated with described antifouling adhering coating, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer exterior ring cap have described detachable anti-soil sleeve-board pipe.By the way, the utility model tube wall attachment dirt is few, and cleaning dirt is also very convenient, brings facility to actual production and application.
Description
Technical field
The utility model relates to seamless steel pipe field, particularly relates to a kind of seamless steel pipe for boiler blow-off pipeline.
Background technique
Steam boiler blowdown divides continuous blowdown and periodical blowdown two kinds, periodical blowdown is owing to being periodic, and blowing time is short again, therefore UTILIZATION OF VESIDUAL HEAT IN is worth little, usually be introduced in blowdown cooling tank with after cold water mix and enter sewerage again, in order to avoid sewerage, after being heated, spalling occurs.The hot location of continuous blowdown water, should use up location and be utilized.Normally introduced respectively in blowdown system by the continuous blowdown pipeline of each steam boiler and be down to 0.12-0.2MPa gauge pressure, the secondary steam of formation can be introduced in thermal deaerator or feed tank and heat feedwater, or in order to heat domestic water.Every platform steam boiler should adopt independently periodical blowdown pipeline, and is connected to blowdown cooling tank respectively.
But the seamless steel pipe at present for boiler blow-off pipeline is attached to very difficult cleaning on tube wall with just having dirt after a period of time, has had a strong impact on actual production and application.
Summary of the invention
The technical problem that the utility model mainly solves is to provide a kind of seamless steel pipe for boiler blow-off pipeline, and tube wall attachment dirt is few, and cleaning dirt is also very convenient, brings facility to actual production and application.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: provide a kind of seamless steel pipe for boiler blow-off pipeline, comprise: steel pipe body, detachable anti-soil sleeve-board pipe, antifouling adhering coating and Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, the inwall of described steel pipe body is coated with described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, the outer wall of described steel pipe body is coated with described antifouling adhering coating, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer exterior ring cap have described detachable anti-soil sleeve-board pipe.
In the utility model preferred embodiment, described steel pipe body is 15CrMoG alloy steel pipe or 12CrMoV alloy steel pipe.
In the utility model preferred embodiment, the thickness of described detachable anti-soil sleeve-board pipe is 3 ~ 8mm.
In the utility model preferred embodiment, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) thickness of casting heat-resistant magnesium alloy layer is 0.5 ~ 1mm.
The beneficial effects of the utility model are: the utility model is provided with detachable anti-soil sleeve-board pipe, antifouling adhering coating and Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, resistance to high temperature is good, tube wall attachment dirt is few, and cleaning dirt is also very convenient, bring facility to actual production and application.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of the utility model for seamless steel pipe one preferred embodiment of boiler blow-off pipeline;
In accompanying drawing, the mark of each parts is as follows: 1, steel pipe body, 2, detachable anti-soil sleeve-board pipe, 3, antifouling adhering coating, 4, Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer.
Embodiment
Be clearly and completely described to the technological scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model is embodiment comprise:
A kind of seamless steel pipe for boiler blow-off pipeline, comprise: steel pipe body 1, detachable anti-soil sleeve-board pipe 2, antifouling adhering coating 3 and Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer 4, the inwall of described steel pipe body 1 is coated with described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer 4, the outer wall of described steel pipe body 1 being coated with described antifouling adhering coating 3, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer 4 exterior ring cap has described detachable anti-soil sleeve-board pipe 2.
Preferably, described steel pipe body 1 is 15CrMoG alloy steel pipe or 12CrMoV alloy steel pipe.
Preferably, the thickness of described detachable anti-soil sleeve-board pipe 2 is 3 ~ 8mm.
Preferably, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) thickness of casting heat-resistant magnesium alloy layer 4 is 0.5 ~ 1mm.
The beneficial effect that the utility model is used for the seamless steel pipe of boiler blow-off pipeline is: the utility model is provided with detachable anti-soil sleeve-board pipe, antifouling adhering coating and Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, resistance to high temperature is good, tube wall attachment dirt is few, and cleaning dirt is also very convenient, bring facility to actual production and application.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. the seamless steel pipe for boiler blow-off pipeline, it is characterized in that, comprise: steel pipe body, detachable anti-soil sleeve-board pipe, antifouling adhering coating and Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, the inwall of described steel pipe body is coated with described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer, the outer wall of described steel pipe body being coated with described antifouling adhering coating, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) casting heat-resistant magnesium alloy layer exterior ring cap have described detachable anti-soil sleeve-board pipe.
2. the seamless steel pipe for boiler blow-off pipeline according to claim 1, is characterized in that, described steel pipe body is 15CrMoG alloy steel pipe or 12CrMoV alloy steel pipe.
3. the seamless steel pipe for boiler blow-off pipeline according to claim 1, is characterized in that, the thickness of described detachable anti-soil sleeve-board pipe is 3 ~ 8mm.
4. the seamless steel pipe for boiler blow-off pipeline according to claim 1, is characterized in that, described Mg-11Y-5Gd-2Zn-0.5Zr(wt.%) thickness of casting heat-resistant magnesium alloy layer is 0.5 ~ 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458063.7U CN204153335U (en) | 2014-08-14 | 2014-08-14 | A kind of seamless steel pipe for boiler blow-off pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458063.7U CN204153335U (en) | 2014-08-14 | 2014-08-14 | A kind of seamless steel pipe for boiler blow-off pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204153335U true CN204153335U (en) | 2015-02-11 |
Family
ID=52511450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420458063.7U Expired - Fee Related CN204153335U (en) | 2014-08-14 | 2014-08-14 | A kind of seamless steel pipe for boiler blow-off pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204153335U (en) |
-
2014
- 2014-08-14 CN CN201420458063.7U patent/CN204153335U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |