JPH0341191U - - Google Patents
Info
- Publication number
- JPH0341191U JPH0341191U JP10019089U JP10019089U JPH0341191U JP H0341191 U JPH0341191 U JP H0341191U JP 10019089 U JP10019089 U JP 10019089U JP 10019089 U JP10019089 U JP 10019089U JP H0341191 U JPH0341191 U JP H0341191U
- Authority
- JP
- Japan
- Prior art keywords
- branch pipe
- vertical shaft
- shaft pump
- pipe
- water level
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
第１図は本考案の一実施例を示す立軸ポンプの
概略図、第２Ａ図、第２Ｂ図、第２Ｃ図はそれぞ
れ空気導入部の変形例を示す図、第３図は従来の
立軸ポンプの概略図、第４図は比較例の説明図で
ある。
２……吸込みケーシング、３……分岐管、４…
…タンク装置、４Ｃ……排出口、６……羽根車室
、７……空気導入部、８……分岐管の折返し部、
９……吐出側のケーシング、１０……分岐管の垂
下管部、１１……洗浄管、１２……開閉装置、Ｐ
……吸水井。
Fig. 1 is a schematic diagram of a vertical shaft pump showing an embodiment of the present invention, Figs. 2A, 2B, and 2C are views showing modified examples of the air introduction section, and Fig. 3 is a diagram of a conventional vertical pump. The schematic diagram, FIG. 4, is an explanatory diagram of a comparative example. 2... Suction casing, 3... Branch pipe, 4...
... Tank device, 4C ... Discharge port, 6 ... Impeller chamber, 7 ... Air introduction part, 8 ... Turning part of branch pipe,
9...Discharge side casing, 10...Drop pipe part of branch pipe, 11...Washing pipe, 12...Switching device, P
...Water well.
Claims (1)
状の分岐管の一端を連通接続し、分岐管の他端の
空気導入部を、吸水井の水位が当該立軸ポンプの
最低水位付近において空気が入るように立軸ポン
プの最低水位付近に設定し、分岐管の折返し部を
上記羽根車室に発生する最大負圧による吸込み揚
程よりも高い位置に設定した立軸ポンプであつて
、その立軸ポンプの吐出側のケーシングに一端を
連通接続し他端を上記分岐管の他端側の垂下管部
に連通接続し途中に開閉装置を具備する洗浄管を
設けたことを特徴とする立軸ポンプ。 One end of the inverted U-shaped branch pipe is connected to the suction casing that communicates with the impeller chamber, and air enters the air introduction part at the other end of the branch pipe when the water level in the suction well is near the lowest water level of the vertical pump. A vertical shaft pump that is set near the lowest water level of the vertical shaft pump, and the turned part of the branch pipe is set at a position higher than the suction lift due to the maximum negative pressure generated in the impeller chamber, and the discharge side of the vertical shaft pump is A vertical shaft pump characterized in that a cleaning pipe is provided, one end of which is connected in communication with the casing of the branch pipe, the other end of which is connected to the hanging pipe portion at the other end of the branch pipe, and the cleaning pipe is provided with an opening/closing device in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10019089U JPH0341191U (en) | 1989-08-28 | 1989-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10019089U JPH0341191U (en) | 1989-08-28 | 1989-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0341191U true JPH0341191U (en) | 1991-04-19 |
Family
ID=31649210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10019089U Pending JPH0341191U (en) | 1989-08-28 | 1989-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341191U (en) |
-
1989
- 1989-08-28 JP JP10019089U patent/JPH0341191U/ja active Pending