JPS61186901U - - Google Patents
Info
- Publication number
- JPS61186901U JPS61186901U JP7052085U JP7052085U JPS61186901U JP S61186901 U JPS61186901 U JP S61186901U JP 7052085 U JP7052085 U JP 7052085U JP 7052085 U JP7052085 U JP 7052085U JP S61186901 U JPS61186901 U JP S61186901U
- Authority
- JP
- Japan
- Prior art keywords
- fluidized bed
- bed boiler
- bubble crushing
- heat exchanger
- exchanger tube
- 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
- 230000001154 acute effect Effects 0.000 claims 2
- 239000006185 dispersion Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Description
第１図は本考案による流動層ボイラの一実施例
を示す断面図、第２図は上記実施例における伝熱
管配置部の詳細断面図、第３図は上記実施例によ
る気泡径を従来技術の気泡径と比較した図、第４
図は本発明の他の実施例における気体粉砕手段を
示す図、第５図は本発明のさらに他の実施例を示
す断面図、第６図は上記実施例による気泡径と従
来技術の気泡径とを比較した図、第７図は従来の
流動層ボイラの装置全体を示す概略図、第８図は
上記ボイラによる空塔速度と摩耗量との関係を示
す図、第９図は気泡径増大による摩耗促進を示す
模式図である。
３…流動層、４…伝熱管、１６…孔、１７，１
８…気泡粉砕板、１９…格子。
Fig. 1 is a sectional view showing an embodiment of the fluidized bed boiler according to the present invention, Fig. 2 is a detailed sectional view of the heat exchanger tube arrangement part in the above embodiment, and Fig. 3 shows the bubble diameter in the above embodiment compared to the conventional technology. Diagram comparing bubble diameter, 4th
The figure shows a gas crushing means in another embodiment of the present invention, FIG. 5 is a sectional view showing still another embodiment of the present invention, and FIG. 6 shows the bubble diameter according to the above embodiment and the bubble diameter according to the prior art. Figure 7 is a schematic diagram showing the entire device of a conventional fluidized bed boiler, Figure 8 is a diagram showing the relationship between the superficial velocity and wear amount in the boiler described above, and Figure 9 is a diagram showing the increase in bubble diameter. FIG. 3... Fluidized bed, 4... Heat exchanger tube, 16... Hole, 17,1
8... Bubble crushing plate, 19... Grid.
Claims (1)
において、上記伝熱管に衝突する気泡径を、少な
くとも上記伝熱管直径の３倍以下にできる気泡粉
砕手段を設けたことを特徴とする流動層ボイラ。 (2) 上記気泡粉砕手段は、伝熱管近傍に設けら
れた複数個の孔を有する気泡粉砕板であることを
特徴とする実用新案登録請求の範囲第１項に記載
した流動層ボイラ。 (3) 上記気泡粉砕手段は、伝熱管下部に設けた
鋭角な先端を有する気泡粉砕板であることを特徴
とする実用新案登録請求の範囲第１項に記載した
流動層ボイラ。 (4) 上記気泡紛砕手段は、上記流動層ボイラの
分散板と伝熱管との間に設けた格子であることを
特徴とする実用新案登録請求の範囲第１項に記載
した流動層ボイラ。 (5) 上記気泡粉砕手段は、伝熱管近傍に設けた
、複数個の孔を有する気泡粉砕板、または上記伝
熱管下部に設けた鋭角な先端を有する気泡粉砕板
に、上記流動層ボイラの分散板と伝熱管との間に
設けた格子を併用したものであることを特徴とす
る実用新案登録請求の範囲第１項に記載した流動
層ボイラ。[Claims for Utility Model Registration] (1) In a fluidized bed boiler in which a heat exchanger tube is disposed within a fluidized bed, there is provided a bubble crushing means that can reduce the diameter of bubbles colliding with the heat exchanger tube to at least three times the diameter of the heat exchanger tube. A fluidized bed boiler characterized by: (2) The fluidized bed boiler according to claim 1, wherein the bubble crushing means is a bubble crushing plate having a plurality of holes provided near the heat transfer tube. (3) The fluidized bed boiler according to claim 1, wherein the bubble crushing means is a bubble crushing plate having an acute tip provided at the lower part of the heat transfer tube. (4) The fluidized bed boiler according to claim 1, wherein the bubble crushing means is a grid provided between the distribution plate and the heat transfer tube of the fluidized bed boiler. (5) The bubble crushing means is a bubble crushing plate having a plurality of holes provided near the heat exchanger tube, or a bubble crushing plate having an acute tip provided at the lower part of the heat transfer tube for dispersion of the fluidized bed boiler. A fluidized bed boiler according to claim 1 of the utility model registration, characterized in that a grid is provided between the plate and the heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7052085U JPS61186901U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7052085U JPS61186901U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61186901U true JPS61186901U (en) | 1986-11-21 |
Family
ID=30607167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7052085U Pending JPS61186901U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186901U (en) |
-
1985
- 1985-05-15 JP JP7052085U patent/JPS61186901U/ja active Pending
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