CN207470444U - A kind of novel simple high-lift double-stage centrifugal pump - Google Patents
A kind of novel simple high-lift double-stage centrifugal pump Download PDFInfo
- Publication number
- CN207470444U CN207470444U CN201721130061.5U CN201721130061U CN207470444U CN 207470444 U CN207470444 U CN 207470444U CN 201721130061 U CN201721130061 U CN 201721130061U CN 207470444 U CN207470444 U CN 207470444U
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- Prior art keywords
- stage
- impeller
- pump
- centrifugal pump
- wear resistance
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to a kind of novel simple high-lift double-stage centrifugal pump, described device main parts size includes：Wear resistance disk (1), guide vane (3), stage casing (4), sencond stage impeller (5), pump case (6), pumps end cap (7), axis (8) and other auxiliary spare parts etc. at one stage impeller (2).The simple high-lift double-stage centrifugal pump of the utility model shares two-stage, in view of convenient processing and manufacture and take into account high lift, on the basis of using half-opened impeller, by designing a kind of special Wear resistance disk and middle section structure, impeller and their fit system are formed into a kind of combination similar to double shrouded wheel, Wear resistance disk (1) has axial water sucking mouth wherein in level-one chamber, and matched with one stage impeller (2), stage casing (4) are matched with sencond stage impeller (5) in secondary cavity.Compared with traditional centrifugal pump with semien closed impellerpump, this kind of combination makes the efficiency of pump and lift be improved, and compared with traditional enclosed two-stage pump, each parts of this kind of combination are simple, and processing and manufacturing expense is low and assembling is simple.
Description
Technical field：
The utility model patent is related to a kind of novel simple high-lift double-stage centrifugal pump, especially suitable for marine fire-fighting, gives
The purposes such as draining.
Background technology：
Centrifugal pump is divided into open type impeller centrifugal pump, centrifugal pump with semien closed impellerpump and enclosed impeller by blade wheel structure and centrifuges
Pump, open type impeller centrifugal pump are suitable for the higher liquid and paste liquid of conveying viscosity, are simple to manufacture, but efficiency low-power consumption
Greatly, half-opened impeller is suitable for the liquid of the suspended matters such as conveying solid substance particle, fiber, centrifugal pump with semien closed impellerpump manufacture difficulty compared with
Small, cost is relatively low, and adaptable, and application in recent years gradually increases, and the liquid for conveying clear water river approximation clear water, but imitates
Rate lift is also universal relatively low, it is impossible to meet specific engineering demand, centrifugal pump with shrouded impeller efficiency is higher, suitable for conveying clear water, molten
The viscositys such as liquid are smaller, cleaning liquid without particle, but manufacturing process is complicated, and manufacture is of high cost.
Invention content：
The utility model provides one kind and designs a kind of special construction, provides a kind of combination, both overcomes semi-open type
The shortcomings of deficiencies such as efficiency of centrifugal pump is low, lift is low, double shrouded wheel manufacture is complicated, realize a kind of one kind similar to double shrouded wheel
Combination, Simple And Practical are convenient for disassembly and assembly.The centrifugal pump, shares two-stage, and one stage impeller is mounted on inside guide vane and Wear resistance disk one end
The special construction formation of protrusion is similar to the combination of double shrouded wheel, while the special construction of sencond stage impeller and the protrusion of stage casing one end
Also the combination similar to double shrouded wheel is formed, the combination of this kind of form not only reduces difficulty of processing, while compared with same type centrifugal pump
Lift can be effectively improved, improve the efficiency of pump, in addition, the utility model parts are simple, difficulty of processing is low, compact-sized, warp
Ji is practical, suitable for the fire-fighting of fisherman sea, plumbing operation.
To realize above-mentioned function, the technical solution of the utility model is：
A kind of centrifugal sea water pump of Novel Bipolar, main parts size include：1. Wear resistance disk, 2. one stage impellers, 3. guide vanes,
4. stage casing, 5. sencond stage impellers, 6. pump cases, 7. pump end caps, 8. axis, 9. sunk screws.
Preferably, Wear resistance disk (1) left end is water inlet, right side protruding end end face is 4.37。Past inside it is recessed
Inclination anchor ring, matched one stage impeller (2) is intermediate high radially highly to be continuously decreased, and angle of inclination is also 4.37。, can
By adjusting the two gap, gap to be made to reach 0.5-0.7mm, the structure similar to double shrouded wheel is combined into both so as to make,
So as to improve efficiency, lift is improved.
Preferably, stage casing (4) the runner right side is 4.37。Indent tilt anchor ring, matched two level leaf
The same one stage impeller of (5) structure (2) is taken turns, can be formed by adjusting the two gap to 0.5-0.7mm and be similar to double shrouded wheel knot
Structure improves efficiency and lift.
Preferably, one stage impeller (2) diameter is smaller 2mm than guide vane (3) diameter, axial gap is 1- between the two
2mm, guide vane (3) are fixed on by two sunk screws (9) on stage casing (4).
Description of the drawings：
Figure one is the sectional view of the utility model twin-stage sea water pump.
Figure two is the Wear resistance disk schematic diagram of the utility model embodiment.
Figure three is the stage casing schematic diagram of the utility model embodiment.
Parts shown in attached drawing 1 are specially：1. Wear resistance disk, 2. one stage impellers, 3. guide vanes, 4. stage casings, 5. sencond stage impellers, 6.
Pump case, 7. pump end caps, 8. axis, 9. sunk screws.
Specific embodiment：
The utility model is described further below in conjunction with the accompanying drawings.As shown in Figure 1, the one stage impeller (2) of pump, two level leaf
Wheel (5) is connected on axis (8), and one stage impeller (2) left end gets close to the inclination anchor ring (1.2) of Wear resistance disk (1), and right end packet is in guide vane
(3) in, radially there are 1mm gaps in guide vane inner cavity chamber between impeller full-size, axially there is 1-2mm gaps, guide vane (3) installation
Internal in stage casing (4) and pass through 2 sunk screws (9) and be fixed on stage casing (4), stage casing (4) are mounted on Wear resistance disk (1) and pump case
(6) between, right side protruding end (4.1) gets close to sencond stage impeller.
As shown in Fig. 2, Wear resistance disk (1) left end is water inlet section (1.1), right side is to have the circle that low surrounding is high among inclination angle
Anchor ring (1.2), this one stage impeller (2) low with intermediate high surrounding match, and designed distance is 0.5-0.7mm between the two, can
To find out the effects that it is taken into account water suction and is formed the first order similar double shrouded wheel with one stage impeller cooperation.
As shown in figure 3, the level-one chamber and secondary cavity of stage casing (4) central passage connection pump, right side is has in inclination angle
Between the high anchor ring (4.1) of low surrounding, this sencond stage impeller (5) low with intermediate high surrounding matches, designed distance between ining succession
For 0.5-0.7mm, which takes into account fixed guide vane (3), one secondary cavity of connection, forms the second level with sencond stage impeller cooperation
The effects that similar double shrouded wheel.
Above-described specific embodiment is only the preferable embodiment of the utility model, not limits this practicality with this
Novel specific implementation range.The equivalence changes that all shape, structures according to the utility model are done ought to be all contained in this reality
Within novel protection domain.
Claims (1)
1. a kind of novel simple high-lift double-stage centrifugal pump, shares two chambers, level-one chamber includes Wear resistance disk (1), level-one
Impeller (2), guide vane (3), stage casing (4), axis (8), secondary cavity include sencond stage impeller (5), pump case (6), pump end cap (7), axis
(8)；Wear resistance disk (1) left end is water inlet, and right side protruding end end face is the recessed inclination anchor ring in 4.37 ° of past inside, matched
One stage impeller (2) it is intermediate high, radially highly continuously decrease, angle of inclination is also 4.37 °, can be by adjusting the two
Gap makes gap reach 0.5-0.7mm；It is protruded on the right side of stage casing (4) and its end face tilts anchor ring for 4.37 ° of indent, matched therewith
The sencond stage impeller (5) of conjunction is intermediate high, radially highly continuously decreases, and angle of inclination is also 4.37 °, can be by adjusting two
Person gap is to 0.5-0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130061.5U CN207470444U (en) | 2017-09-05 | 2017-09-05 | A kind of novel simple high-lift double-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130061.5U CN207470444U (en) | 2017-09-05 | 2017-09-05 | A kind of novel simple high-lift double-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207470444U true CN207470444U (en) | 2018-06-08 |
Family
ID=62268902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721130061.5U Expired - Fee Related CN207470444U (en) | 2017-09-05 | 2017-09-05 | A kind of novel simple high-lift double-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207470444U (en) |
-
2017
- 2017-09-05 CN CN201721130061.5U patent/CN207470444U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20190905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |