CN210068552U - Double-suction staggered four-runner impeller - Google Patents
Double-suction staggered four-runner impeller Download PDFInfo
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- CN210068552U CN210068552U CN201920749248.6U CN201920749248U CN210068552U CN 210068552 U CN210068552 U CN 210068552U CN 201920749248 U CN201920749248 U CN 201920749248U CN 210068552 U CN210068552 U CN 210068552U
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Abstract
The double-suction staggered four-runner impeller comprises two runners on each side, wherein the two runners are symmetrical about the center of an axial lead, namely one runner is obtained by rotating the other runner by 180 degrees by taking the axial lead as the center, and the runners on the two sides are distributed in a back-to-back staggered manner by 90 degrees. The impellers on the two sides are offset because the axial forces are equal and the directions are opposite, theoretically, the axial forces of the impellers are zero, and the impellers on the two sides are arranged in a staggered mode, so that the hydraulic vibration caused by uneven water distribution of 360 degrees in the circumferential direction due to the thickness of blade outlets of the impellers can be greatly reduced. The double-suction staggered four-runner impeller can effectively solve the problem of overlarge axial force of a single-suction pump, greatly improves the efficiency of the sewage pump, and has the advantages of excellent mechanical property and convenient assembly and disassembly.
Description
Technical Field
The utility model belongs to the water pump field, in particular to four runner impellers of double suction dislocation distribution.
Background
The sewage pump is mainly used for pumping domestic sewage, industrial wastewater and liquid containing solid particles and fibers, and is widely applied to the industries of municipal administration, light industry, chemical industry, building, mine and the like. The common sewage pump has a single-flow-channel impeller structure and a double-flow-channel impeller structure, but the two impeller structures are single-suction structures. Under same flow, lift and rotational speed, the impeller inlet flow of the single suction pump is twice of the single-side inlet flow of the impeller of the double suction pump, so compared with a double suction structure, the single suction pump has a large specific rotational speed, for a sewage pump with lower lift, the specific rotational speed of the single suction pump is too large, and when the specific rotational speed of the centrifugal pump is too large, the pump efficiency is lower, and the single suction structure has large axial force, which seriously affects the mechanical property of the water pump and the service life of parts, and also makes the application of the single suction pump suffer from great limitation.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the above-mentioned prior art, the utility model provides a four runner impellers of double suction dislocation distribution aims at promoting the efficiency of sewage pump greatly, solves the too big problem of single suction pump axial force simultaneously, has better mechanical properties and installs and remove convenient structural advantage.
The utility model provides a technical scheme that its technical problem adopted is:
a double-suction staggered four-runner impeller is provided, each side is provided with two runners, the two runners are symmetrical about the center of an axial lead, namely one runner is obtained by rotating the other runner for 180 degrees by taking the axial lead as the center, and the runners on the two sides are distributed by staggering 90 degrees back to back.
The impellers on the two sides are offset because the axial forces are equal and the directions are opposite, theoretically, the axial forces of the impellers are zero, and the impellers on the two sides are arranged in a staggered mode, so that the hydraulic vibration caused by uneven water distribution of 360 degrees in the circumferential direction due to the thickness of blade outlets of the impellers can be greatly reduced.
The utility model has the advantages that: the double-suction staggered four-runner impeller can effectively solve the problem of overlarge axial force of a single-suction pump, greatly improves the efficiency of a sewage pump, and has the advantages of excellent mechanical property and convenient assembly and disassembly.
Drawings
FIG. 1 is a prior art dual flow path sewage pump impeller.
Fig. 2 is a double-suction staggered four-runner impeller of the present invention.
In the figure: 1. and 2, a flow passage and an axial lead.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
The double-suction staggered four-runner impeller water pump is characterized in that the impeller is provided with four runners (1), two runners (1) on each side are symmetrical about an axis center, namely one runner (1) is obtained by rotating the other runner (1) for 180 degrees by taking the axis (2) as the center, and the runners (1) on two sides are distributed in a back-to-back staggered 90-degree manner.
Claims (1)
1. The utility model provides a four runner impellers of double suction dislocation distribution which characterized in that: each side is provided with two flow passages, and the two flow passages are symmetrical about the center of the shaft axis, namely one flow passage is obtained by rotating the other flow passage by 180 degrees by taking the shaft axis as the center, and the flow passages on the two sides are distributed by staggering 90 degrees back to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749248.6U CN210068552U (en) | 2019-05-23 | 2019-05-23 | Double-suction staggered four-runner impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749248.6U CN210068552U (en) | 2019-05-23 | 2019-05-23 | Double-suction staggered four-runner impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068552U true CN210068552U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920749248.6U Active CN210068552U (en) | 2019-05-23 | 2019-05-23 | Double-suction staggered four-runner impeller |
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| Country | Link |
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| CN (1) | CN210068552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005634A (en) * | 2019-05-23 | 2019-07-12 | 湖南机电职业技术学院 | Double suction is dislocatedly distributed four flow passage impellers |
-
2019
- 2019-05-23 CN CN201920749248.6U patent/CN210068552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005634A (en) * | 2019-05-23 | 2019-07-12 | 湖南机电职业技术学院 | Double suction is dislocatedly distributed four flow passage impellers |
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