JPS59110400U - Barrel type multistage centrifugal pump - Google Patents
Barrel type multistage centrifugal pumpInfo
- Publication number
- JPS59110400U JPS59110400U JP433983U JP433983U JPS59110400U JP S59110400 U JPS59110400 U JP S59110400U JP 433983 U JP433983 U JP 433983U JP 433983 U JP433983 U JP 433983U JP S59110400 U JPS59110400 U JP S59110400U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- casing
- stage
- barrel
- centrifugal pump
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図乃至第３図は従来のそれぞれ異なる多段゛遠心ポ
ンプの断面図、第４図は本考案の一実施例を示す断面図
である。
３２−−−−−−ポンプ吐出口、３９ａｔ ３９ ｂｔ
３９ｃｔ３９ｃＬ ３９ｅ””内部ケーシング、４１
ａ、４１ｂｔ４１ｃ、４１ｄｔ ４１６・・・・・・ボ
ルト、４４・・・・・・間隙、４７・・・・・・ポンプ
吸入口ζ５３・・・・・・外部ケーシング、５４．５６
・・・・・・通孔。1 to 3 are sectional views of different conventional multi-stage centrifugal pumps, and FIG. 4 is a sectional view showing an embodiment of the present invention. 32------Pump outlet, 39at 39bt
39ct39cL 39e""Inner casing, 41
a, 41bt41c, 41dt 416...Bolt, 44...Gap, 47...Pump suction port ζ53...External casing, 54.56
...through hole.
Claims (3)
ーシング内に、ポンプ渦室を形成する各段の内部ケーシ
ングを積み重ねて配設したバレル型多段遠心ポンプにお
いて、前記外部ケーシングに前記各段の内部ケーシング
を最終段から逆にボルトにて順次締結固定して積み重ね
、前記内部ケーシングの第１段と前記外部ケーシングと
をこの外部ケーシングと前記全内部ケーシングとの熱伸
縮量の差による軸方向摺動が可能となるように嵌合し、
前記ポンプの吐出圧力またはこれに近い圧力を前記第１
段の内部ケーシングの前側面に加えるよう構成したこと
を特徴とするバレル型多段遠心ポンプ。(1) In a barrel-type multistage centrifugal pump in which internal casings of each stage forming a pump vortex chamber are stacked and disposed within an external casing having a pump suction port and a pump discharge port, each stage The inner casings of the inner casings are sequentially fastened and fixed with bolts in reverse order from the last stage and stacked, and the first stage of the inner casings and the outer casing are separated in the axial direction due to the difference in thermal expansion and contraction between this outer casing and the entire inner casing. Fit together so that they can slide,
The discharge pressure of the pump or a pressure close to this is set to the first
A barrel-type multi-stage centrifugal pump characterized in that it is configured to be added to the front side of the internal casing of the stages.
シングの外周と前記外部ケーシングとの間隙を連通ずる
通孔を設け、この通孔および前記間隙を介してポンプの
吐出圧力またはこれに近い圧力を第１段の内部ケーシン
グの前側面に加えるよう構成したことを特徴とする実用
新案登録請求の範囲第１項記載のバレル型多段遠心ポン
プ。(2) The outer casing is provided with a through hole that communicates the gap between the outer periphery of each inner casing and the outer casing from the pump discharge port, and the pump discharge pressure or a pressure close to this is applied through the through hole and the gap. A barrel-type multi-stage centrifugal pump according to claim 1, characterized in that the pump is configured to be added to the front side of the first-stage internal casing.
の内部ケーシング内側から各内部ケーシング−、外周と
外部ケーシングとの間隙に連通ずる通孔を設け、この通
孔および前記間隙を介してポンプの吐出圧力またはこれ
に近い圧力を第１段の内部ケーシングの前側面に加える
よう構成したことを特徴とする実用新案登録請求の範囲
第１項記載のバレル型多段遠心ポンプ。(3) The final stage or the inner casing near the final stage is provided with a through hole that communicates from the inside of the internal casing to the gap between the outer periphery and the outer casing, and the pump is connected through the through hole and the gap. The barrel-type multistage centrifugal pump according to claim 1, characterized in that the pump is configured to apply discharge pressure or a pressure close to this to the front side of the first stage internal casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP433983U JPS59110400U (en) | 1983-01-17 | 1983-01-17 | Barrel type multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP433983U JPS59110400U (en) | 1983-01-17 | 1983-01-17 | Barrel type multistage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59110400U true JPS59110400U (en) | 1984-07-25 |
Family
ID=30135933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP433983U Pending JPS59110400U (en) | 1983-01-17 | 1983-01-17 | Barrel type multistage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59110400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014152742A (en) * | 2013-02-12 | 2014-08-25 | Ｋａｗａｍｏｔｏ Ｇｅｃ株式会社 | Casing of pump device |
-
1983
- 1983-01-17 JP JP433983U patent/JPS59110400U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014152742A (en) * | 2013-02-12 | 2014-08-25 | Ｋａｗａｍｏｔｏ Ｇｅｃ株式会社 | Casing of pump device |
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