JPH0181492U - - Google Patents
Info
- Publication number
- JPH0181492U JPH0181492U JP1987170751U JP17075187U JPH0181492U JP H0181492 U JPH0181492 U JP H0181492U JP 1987170751 U JP1987170751 U JP 1987170751U JP 17075187 U JP17075187 U JP 17075187U JP H0181492 U JPH0181492 U JP H0181492U
- Authority
- JP
- Japan
- Prior art keywords
- plating layer
- lead
- heat exchanger
- exchanger tube
- utility
- 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.)
- Pending
Links
- 238000007747 plating Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 229910000978 Pb alloy Inorganic materials 0.000 claims 1
- 229910001128 Sn alloy Inorganic materials 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例の説明図、第２図は
第１図の―矢視図、第３図および第４図は本
考案の他の実施例の説明図、第５図は従来伝熱管
と本考案の実施例との性能比較図、第６図は従来
の伝熱管の説明図である。
１……ボイラ用鋼管、２……めつき層、３……
鉛被覆、４……フイン。
Fig. 1 is an explanatory diagram of one embodiment of the present invention, Fig. 2 is a view taken along the - arrow in Fig. 1, Figs. 3 and 4 are explanatory diagrams of other embodiments of the present invention, and Fig. 5 is A performance comparison diagram between a conventional heat exchanger tube and an embodiment of the present invention, FIG. 6 is an explanatory diagram of the conventional heat exchanger tube. 1... Steel pipe for boiler, 2... Plating layer, 3...
Lead-coated, 4...fin.
Claims (1)
合金めつき層、および同めつき層の上に形成され
たフインを有する鉛被覆を備えたことを特徴とす
る鉛被覆伝熱管。 A lead-coated heat exchanger tube comprising: a Pb and Sn alloy plating layer formed on the surface of a boiler steel tube; and a lead coating having fins formed on the plating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170751U JPH0181492U (en) | 1987-11-10 | 1987-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170751U JPH0181492U (en) | 1987-11-10 | 1987-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181492U true JPH0181492U (en) | 1989-05-31 |
Family
ID=31461972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170751U Pending JPH0181492U (en) | 1987-11-10 | 1987-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181492U (en) |
-
1987
- 1987-11-10 JP JP1987170751U patent/JPH0181492U/ja active Pending
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