JPS63142498U - - Google Patents
Info
- Publication number
- JPS63142498U JPS63142498U JP3524087U JP3524087U JPS63142498U JP S63142498 U JPS63142498 U JP S63142498U JP 3524087 U JP3524087 U JP 3524087U JP 3524087 U JP3524087 U JP 3524087U JP S63142498 U JPS63142498 U JP S63142498U
- Authority
- JP
- Japan
- Prior art keywords
- pulverized coal
- bent part
- transport pipe
- pipe
- flow rate
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Pipe Accessories (AREA)
Description
第１図は本考案による微粉炭輸送管を備えてい
る微粉炭焚きボイラの一例を示す図、第２図は第
１図の一部分を拡大して断面で示す図、第３図は
微粉炭輸送管の曲り部分の中心とその上流側に設
けられる流量調整用オリフイスとの間の距離Ｌと
前記曲り部分の管内径Ｄとの比（Ｌ／Ｄ）とかか
る曲り部分が微粉炭混合気により摩耗される量と
の関係を示す図、第４図及び第５図はそれぞれ第
１図及び第２図に対応して従来例を示す図である
。
１…微粉炭輸送管、１ａ…垂直部分、１ｂ…水
平部分、１ｃ…曲り部分、２…微粉炭機、３…微
粉炭出口ポート、４…ボイラ、５…微粉炭バーナ
、６…床、７…流量調整用オリフイス、８…微粉
炭混合気。
Figure 1 is a diagram showing an example of a pulverized coal-fired boiler equipped with a pulverized coal transport pipe according to the present invention, Figure 2 is an enlarged cross-sectional view of a portion of Figure 1, and Figure 3 is a diagram showing pulverized coal transportation. The ratio (L/D) between the distance L between the center of the bent portion of the pipe and the flow rate adjustment orifice provided upstream thereof and the inner diameter D of the bent portion 4 and 5 are diagrams showing a conventional example corresponding to FIGS. 1 and 2, respectively. 1...Pulverized coal transport pipe, 1a...Vertical section, 1b...Horizontal section, 1c...Curved section, 2...Pulverized coal machine, 3...Pulverized coal outlet port, 4...Boiler, 5...Pulverized coal burner, 6...Floor, 7 ...Orifice for flow rate adjustment, 8...Pulverized coal mixture.
Claims (1)
いて、流量調整用オリフイスを前記曲り部分の中
心から上流側に少なくとも前記曲り部分の管内径
の３倍以上離れた位置に設けたことを特徴とする
微粉炭輸送管。 A pulverized coal transport pipe having a bent part in the middle, characterized in that a flow rate adjusting orifice is provided upstream from the center of the bent part at a distance of at least three times the inner diameter of the pipe of the bent part. Charcoal transport pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3524087U JPH0452557Y2 (en) | 1987-03-12 | 1987-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3524087U JPH0452557Y2 (en) | 1987-03-12 | 1987-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63142498U true JPS63142498U (en) | 1988-09-20 |
| JPH0452557Y2 JPH0452557Y2 (en) | 1992-12-10 |
Family
ID=30844548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3524087U Expired JPH0452557Y2 (en) | 1987-03-12 | 1987-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452557Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008196511A (en) * | 2007-02-08 | 2008-08-28 | Takuma Co Ltd | Dust collecting pipe structure |
-
1987
- 1987-03-12 JP JP3524087U patent/JPH0452557Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008196511A (en) * | 2007-02-08 | 2008-08-28 | Takuma Co Ltd | Dust collecting pipe structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0452557Y2 (en) | 1992-12-10 |
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