CN209212574U - One kind is for High aititude without sealing vertical self-sucking pump - Google Patents
One kind is for High aititude without sealing vertical self-sucking pump Download PDFInfo
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- CN209212574U CN209212574U CN201821730167.3U CN201821730167U CN209212574U CN 209212574 U CN209212574 U CN 209212574U CN 201821730167 U CN201821730167 U CN 201821730167U CN 209212574 U CN209212574 U CN 209212574U
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- pump
- pump shaft
- high aititude
- impeller
- support tube
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Abstract
The utility model provides one kind for High aititude without sealing vertical self-sucking pump, it includes pump shaft, the first end of pump shaft connects motor, main impeller is connected on the second end of opposite first end on pump shaft, the pump housing is installed outside main impeller, accessory impeller is further sleeved at the center of pump shaft, mounting plate is provided with above accessory impeller, mounting plate is set on pump shaft, the bottom of mounting plate is connected with support tube, support tube is placed on pump shaft, and the side of support tube is connected with inlet tube, and the opposite other side of support tube is connected with outlet tube.The utility model can efficiently solve the low problem of self priming pump working efficiency in the case of High aititude compared to the prior art.
Description
Technical field
The utility model relates to a kind of self priming pumps, in particular to one kind for High aititude without sealing vertical self-sucking pump.
Background technique
Conventional Ordinary Centrifugal Pumps, if sucking liquid level is under impeller, when starting, should pour water in advance, very inconvenient.In order to
Liquid is saved in pump and in suction line, and suction line import needs to install bottom valve, and when pump work, bottom valve causes very big waterpower to damage
It loses.
So-called self priming pump is exactly to be not required to liquid filling before activation, by short-time running, liquid can be drunk up, investment
It works normally.However, atmospheric pressure constantly reduces, the pressure of self-priming Pump Suction Nozzle with the raising of height above sea level under altitude environment
Power is reduced accordingly, and inlet capacity decline influences the normal work of pump, causes working efficiency low.
Utility model content
In consideration of it, the utility model provides one kind for High aititude without sealing vertical self-sucking pump, it is intended to solve High aititude
In the case of the low problem of self priming pump working efficiency.
For this purpose, the utility model provides one kind for High aititude without sealing vertical self-sucking pump comprising pump shaft, pump shaft
First end connects motor, is connected with main impeller on pump shaft on the second end of opposite first end, pump is equipped with outside main impeller
Body is further sleeved with accessory impeller at the center of pump shaft, mounting plate is provided with above accessory impeller, and mounting plate is set on pump shaft, peace
The bottom of loading board is connected with support tube, and support tube is placed on pump shaft, and the side of support tube is connected with inlet tube, support tube it is opposite
The other side be connected with outlet tube.
Further, the above-mentioned pump housing is double volute pump body.
Further, impeller housing is installed outside above-mentioned accessory impeller, is connected to the bottom of mounting plate.
Further, solenoid valve is provided on above-mentioned inlet tube.
Further, the end of above-mentioned outlet tube connects non-return valve, and non-return valve includes valve body and to be set to valve intracorporal
Spool.
A kind of High aititude that is used for provided by the utility model is without sealing vertical self-sucking pump, after normal starting, gas and liquid
The specific gravity of body is different, and lighter gas is separated from mixed liquor and is discharged outside pump, and the liquid of degassing reenters work
Chamber mixes again with the air that impeller internal is sucked from suction line, under the turning effort of impeller, makes pump housing entrance quickly
Certain vacuum degree is formed, to achieve the purpose that self-priming；Since the pump has unique degassing function, which can be conveyed
Liquid containing gas simultaneously need not installation bottom valve；Therefore, which can efficiently solve High aititude compared to the prior art
In the case of the low problem of self priming pump working efficiency.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of structural representation for High aititude without sealing vertical self-sucking pump provided by the embodiment of the utility model
Figure.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1, one kind that the offer of the utility model embodiment one is shown in figure is vertical certainly without sealing for High aititude
Sucking pump comprising pump shaft 1, the first end of pump shaft 1 connect motor 11, connect on the second end of opposite first end on pump shaft 1
It is connected to main impeller 12, the pump housing 121 is installed outside main impeller 12；The pump housing 121 is double volute pump body, the characteristics of using double volute: diameter
To power kept in balance, pump operation is steady；The efficiency of double volute pump is close with single spiral case, lower than single spiral case under optimum operating condition
1%~1.5%, about higher by 2% than single spiral case under off-design behaviour, higher efficiency range is wide；Double volute, can be more due to being double-layer channel
The radial force of good ballast pump makes to pump even running；Accessory impeller 13, the top of accessory impeller 13 are further sleeved at the center of pump shaft 1
It is provided with mounting plate 14, impeller housing 131 is installed outside accessory impeller 13, is connected to the bottom of mounting plate 14, mounting plate 14 is set with
In on pump shaft 1, the bottom of mounting plate 14 is connected with support tube 15, and support tube 15 is placed on pump shaft 1, the side connection of support tube 15
There is inlet tube 16, the opposite other side of support tube 15 is connected with outlet tube 17.
One kind provided by the present embodiment is for High aititude without sealing vertical self-sucking pump, and after normal starting, impeller will be sucked
The air in liquid and suction line that room is deposited sucks together, and liquid mixed gas is in the high-speed rotating centrifugal force effect of impeller
Under, it is thrown into gas-liquid separation chamber through the pump housing, since flow velocity reduces suddenly, gas is different from the specific gravity of liquid, and lighter gas is from mixed
It closes and separates and be discharged in liquid outside pump, the liquid of degassing reenters working chamber and impeller internal is sucked from suction line
Air mix again, under the turning effort of impeller, pump housing entrance is made to form certain vacuum degree quickly, to reach self-priming
Purpose；Since the pump has unique degassing function, which can convey the liquid containing gas and need not installation bottom valve.
Therefore, which can efficiently solve that self priming pump working efficiency in the case of High aititude is low to ask compared to the prior art
Topic.
Embodiment two:
Referring to Fig. 1, one kind that the offer of the utility model embodiment two is shown in figure is vertical certainly without sealing for High aititude
Sucking pump, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: feed liquor
It is provided with solenoid valve 161 on pipe 16, when pump operation, control valve is closed, and realizes sealing；After shutdown, control valve is opened, and destroys suction
The vacuum for entering pipeline prevents suction line due to siphonage of the liquid after shutting down in pump chamber from flowing out, and makes to save in the pump housing enough
More liquid continues to complete self-priming process, drains for the first time to realize, permanent self-priming.
Vacuum pump principle is transplanted, self-priming performance is reliable and stable；Especially with " electric air control valve ", really realize
" primary drainage, lifelong self-priming " makes to close when pumping the solenoid valve when opening, ensure that the leakproofness in pipeline and pump chamber,
When termination of pumping, solenoid valve is opened, and air comes in, can block the reflux of suction inlet medium, block the siphonic effect of medium, used up
May more than medium there are in pump chamber, while pump discharge makes to export medium and can also be retained in pump chamber using non-return valve, makes pump chamber
Medium can be deposited to greatest extent, is prepared for starting next time, and " primary drainage, lifelong self-priming " just can be achieved.
Embodiment three:
Referring to Fig. 1, one kind that the offer of the utility model embodiment three is shown in figure is vertical certainly without sealing for High aititude
Sucking pump, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: go out liquid
The end of pipe 17 connects non-return valve 18, and non-return valve 18 includes valve body 181 and the spool 182 being set in valve body 181.It is opened in pump
Outlet medium jacks up spool when dynamic, and after normal operation, in pump stop moment, pump outlet check valve is closed rapidly, prevented
Aqueous reflux in pipeline and damage motor is overflowed by gap at accessory impeller, be suitable for Fraquent start occasion.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (5)
1. one kind is for High aititude without sealing vertical self-sucking pump, which is characterized in that including pump shaft (1), the first of the pump shaft (1)
End connects motor (11), is connected with main impeller (12), institute on the second end of the relatively described first end on the pump shaft (1)
It states and is equipped with the pump housing (121) outside main impeller (12), be further sleeved with accessory impeller (13), the accessory lobes at the center of the pump shaft (1)
It is provided with mounting plate (14) above wheel (13), the mounting plate (14) is set on the pump shaft (1), the mounting plate (14)
Bottom be connected with support tube (15), the support tube (15) is placed on the pump shaft (1), and the side of the support tube (15) connects
It is connected to inlet tube (16), the opposite other side of the support tube (15) is connected with outlet tube (17).
2. a kind of High aititude that is used for according to claim 1 is without sealing vertical self-sucking pump, which is characterized in that the pump housing
It (121) is double volute pump body.
3. a kind of High aititude that is used for according to claim 1 is without sealing vertical self-sucking pump, which is characterized in that the accessory impeller
(13) impeller housing (131) are installed outside, are connected to the bottom of the mounting plate (14).
4. a kind of High aititude that is used for according to claim 1 is without sealing vertical self-sucking pump, which is characterized in that the inlet tube
(16) solenoid valve (161) are provided on.
5. a kind of High aititude that is used for according to claim 1 is without sealing vertical self-sucking pump, which is characterized in that the outlet tube
(17) end connects non-return valve (18), and the non-return valve (18) includes valve body (181) and is set in the valve body (181)
Spool (182).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730167.3U CN209212574U (en) | 2018-10-24 | 2018-10-24 | One kind is for High aititude without sealing vertical self-sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730167.3U CN209212574U (en) | 2018-10-24 | 2018-10-24 | One kind is for High aititude without sealing vertical self-sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212574U true CN209212574U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821730167.3U Active CN209212574U (en) | 2018-10-24 | 2018-10-24 | One kind is for High aititude without sealing vertical self-sucking pump |
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| CN (1) | CN209212574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757713A (en) * | 2021-09-02 | 2021-12-07 | 东方电气集团东方锅炉股份有限公司 | Powder making system of coal mill with staged combustion furnace smoke mixing and drying fan for power |
-
2018
- 2018-10-24 CN CN201821730167.3U patent/CN209212574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757713A (en) * | 2021-09-02 | 2021-12-07 | 东方电气集团东方锅炉股份有限公司 | Powder making system of coal mill with staged combustion furnace smoke mixing and drying fan for power |
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