CN107588008A - A kind of double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room - Google Patents
A kind of double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room Download PDFInfo
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- CN107588008A CN107588008A CN201710975741.5A CN201710975741A CN107588008A CN 107588008 A CN107588008 A CN 107588008A CN 201710975741 A CN201710975741 A CN 201710975741A CN 107588008 A CN107588008 A CN 107588008A
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 230000037452 priming Effects 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 230000008676 import Effects 0.000 claims description 23
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000002262 irrigation Effects 0.000 abstract description 2
- 238000003973 irrigation Methods 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 208000016285 Movement disease Diseases 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The invention provides a kind of double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room,Mainly include suction flange,The pump housing,Impeller,Gas-liquid separation pipe,Bonnet,Suspension body component,Outlet(discharge) flange,Blind flange,The pump housing sucks room by similar spiral shape,Integrally casting forms for spiral shape delivery chamber and fluid reservoir,And the pump housing has double outlets etc.,The present invention effectively improves the hydraulic performance of pump while self priming pump self-priming performance is improved,Significantly reduce flow losses of the fluid media (medium) in suction room and pumping chamber,With high efficiency and high reliability,It is compact-sized,It is convenient to install and maintain,Purposes is various,The advantages that horizontal pipeline self sucking pump passed in and out is used can be made by only needing somewhat to adjust mounting means,Suitable for agricultural drainage and irrigation,River embankment cultivates,Municipal blowdown,The fields such as petrochemical industry metallurgy and it can be arranged on mobile pump vehicle and be used for fire-fighting operation etc..
Description
Technical field
It is mixed outside more particularly to a kind of double outlet multipurposes with similar spiral shape suction room the present invention relates to field of fluid machinery
Formula self priming pump.
Background technology
External-mix self-priming pump is one kind of self priming pump, because its have it is compact-sized, easy to operate, easy to maintenance, have it is stronger
Self-priming performance the advantages that, be widely used in that agricultural drainage and irrigation, river embankment cultivation, municipal blowdown, petrochemical industry be metallurgical and food chemistry and electricity
The fields such as factory.
Traditional external-mix self-priming pump is mainly made up of impeller, pump shaft, the pump housing, bonnet, bearing body etc., and is set in the pump housing
Suction room more using S-shaped suction elbow formula suction room, as shown in Figure 1, it is this suction room current pass through in the short period of time
Change after 90 degree twice of directions, extreme shock can be caused to the pump housing, liquid movement disorder, causes impact loss serious, pump efficiency
Rate is low, and prolonged start and stop significantly increase plus the uneven impact of the unilateral waterpower of water, axial force of impeller, easily to bearing and close
Envelope part causes to damage, and the serious service life for reducing bearing and seal, is unfavorable for the operation steady in a long-term of pump.Meanwhile pass
The external-mix self-priming pump of system generally only opens a return port in the one side of spiral case, and impact of the one side backflow to impeller can also make impeller
Axial force significantly increases, the serious service life for reducing bearing and seal, also, the unilateral backflow effect of liquid can destroy snail
Symmetrically flow regime in shell, make to produce the unilateral spiral structure with time mechanical periodicity, this whirlpool in spiral case cross section
Vortex structure becomes more complicated under stator-rotor interaction of the impeller in spiral case, not only causes hydraulic loss in spiral case to increase, can also lure
The pressure fluctuation for sending out serious, trigger unit vibration and noise.
In addition, traditional external-mix self-priming pump only has a kind of mounting means, i.e. an axial inlet and one are vertically upward
Outlet, the purposes of mounting means and adaptation is more single, can not more preferably meet that fire-fighting such as is speedily carried out rescue work at the specific demand of operation.
Through retrieval, have no that the open of double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room is reported.
The content of the invention
To solve the above mentioned problem of prior art, the invention provides a kind of double outlets with similar spiral shape suction room
Multipurpose external-mix self-priming pump, the hydraulic performance of pump is effectively improved while self priming pump self-priming performance is improved, significantly
Degree reduces flow losses of the fluid media (medium) in suction room and pumping chamber, has high-lift, high efficiency and high reliability, structure
Compact, convenient to install and maintain, purposes is various, can be used not only as common self priming pump, can also make horizontal disengaging pipeline self sucking pump it
With the advantages that, in addition to making common self priming pump and using, it may also be used for mobile pump vehicle, fire-fighting are speedily carried out rescue work operation etc..
What the present invention was achieved through the following technical solutions：
A kind of double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room, mainly include suction flange and take over
(11), the pump housing (1), impeller (4), gas-liquid separation pipe (5), bonnet (6), suspension body component (10), outlet(discharge) flange adapter (18), method
Orchid lid (19)；
The pump housing sucks room (2) by similar spiral shape, and integrally casting forms for spiral shape delivery chamber (3) and fluid reservoir (20),
Similar spiral shape suction room (2) and spiral pressurized water chamber (3) communicate, and are respectively positioned on the pump housing (1) inside, and between the similar spiral
It is fluid reservoir (20) that shape, which sucks room (2) and the space of the outside and the pump housing (1) inside of spiral pressurized water chamber (3),；
The pump housing (1) has a pump housing import (21) higher than impeller inlet and positioned at pump housing side, and two go out
Mouth (22), (23), wherein the pump housing outlet (22) is located at the top of the pump housing, in the surface of spiral pressurized water chamber (3) outlet, and
Pump housing outlet (23) has in identical then in another side relative with pump housing import (21) with pump housing import (21)
The outlet mounting means of two kinds of forms can be achieved in heart height, the setting of two outlets, will suitable for different purposes and produce reality
Ask；
The two bottom sides of the spiral pressurized water chamber (3) are respectively provided with a return port (14), for bilateral backflow well format；
The top side of the pump housing (1) is provided with plus water plug (15), adds water first when being used for self priming pump；
In addition, the crest clearance s and the pump housing of the cut water and impeller (4) that the present invention gives spiral pressurized water chamber (3) enter
The recommendation calculation formula of mouth (21) and the centre-height difference H of impeller (4) suction inlet:
The cut water of the spiral pressurized water chamber (3) presses relationship below value with the crest clearance s of impeller (4)：
S=0.118D2 0.366；
In formula：
The gap of S-spiral pressurized water chamber cut water and impeller outer diameter, mm；
D2- impeller outer diameter, mm；
The pump housing import (21) and the centre-height difference H of impeller (4) suction inlet press relationship below value：
In formula：
The centre-height of H-pump housing import and suction eye is poor, mm；
D2- impeller outer diameter, mm；
DS- suction flange adapter internal diameter, mm；
Ns-impeller specific speed；
Mounting means：
Form one (is used as common self priming pump)：
The bonnet (6) is connected on suspension body component (10) by bolt installation, and the impeller (4) passes through shaft end nut
(8) one end of main shaft (9) is fixedly mounted on, is placed in the inner chamber of spiral pressurized water chamber (3), the other end of main shaft (9) passes through bearing
Deng in bonnet (6) and suspension body component (10), wherein the bonnet (6) is interior to be provided with mechanical seal (7), and suspension body
Part (10) is then achieved a fixed connection by bolt and the pump housing (1)；
The entrance that suction flange adapter (11) is arranged on the pump housing (1) makes it be communicated with similar spiral shape suction room (2),
Gas-liquid separation pipe (13) is arranged on the exit of spiral pressurized water chamber (3), and outlet(discharge) flange adapter (18) is arranged on the pump of the pump housing (1)
Body exports (22), is then blocked for the pump housing outlet (23) of the pump housing (1) with blind flange (19)；
Form two (is used as pipeline self sucking pump)：
It is overall identical with the mounting means of form one, only need to be by the outlet of spiral pressurized water chamber (3) described in form one
Gas-liquid separation pipe (5) is removed, and the outlet(discharge) flange adapter (18) in the pump housing outlet (22) is removed and attached it to described
In pump housing outlet (23), and then it is installed in pump housing outlet (22) in the blind flange (19) in pump housing outlet (23) originally.
Preferably, a flap valve (12) is installed between the suction flange adapter (11) and pump housing import (21).
Preferably, flow distribution plate (17) is provided with the F-L curve of similar spiral shape suction room (2), stream can be improved
Dynamic uniformity.
Preferably, the positive bottom of the pump housing (1) is provided with a draining plug (16), the row for self priming pump
Water.
Preferably, return port (14) size shape is identical, and radial dimension is symmetrically set at impeller outer edge
It is placed in spiral pressurized water chamber (3) two bottom sides.
Preferably, several strip gas-liquid separation holes (13), the gas are provided with the gas-liquid separation pipe (5)
The number of liquid sorting hole (13) is 4~8.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention effectively improves the hydraulic performance of pump while self priming pump self-priming performance is improved, significantly subtract
Flow losses of the small fluid media (medium) in suction room and pumping chamber, have high-lift, high efficiency and a high reliability, and structure is tight
Gather, convenient to install and maintain, purposes is various, can be used not only as common self priming pump, it is only necessary to which somewhat adjusting mounting means can make
The advantages that pipeline self sucking pump of level disengaging is used, and the application of the suction of the similar spiral shape due to laterally sucking room is relatively conventional
S-shaped suction room impact shock it is small, operate steadily, be advantageous to the long-term safety stable operation of complete machine.
2. the spiral pressurized water chamber two bottom sides of the pump housing of the present invention are respectively provided with a return port, it is big to share two shapes
Small identical and symmetrical return port, by the reservoir chamber and pumping chamber UNICOM so that the water in the reservoir chamber is returned
Flow at the outer rim of the impeller, because impact of the unilateral backflow to impeller can also significantly increase axial force of impeller, serious drop
The service life of low bearing and seal, and the symmetrically flowing shape that the unilateral backflow effect of liquid can be destroyed in spiral case
State, make to produce the unilateral spiral structure with time mechanical periodicity in spiral case cross section, this eddy structure is in impeller in spiral case
Become more complicated under stator-rotor interaction, not only cause hydraulic loss in spiral case to increase, can also induce serious pressure fluctuation, trigger
Unit vibration and noise, both sides are respectively provided with a return port, and this symmetrical structure can significantly improve the flow regime in spiral case,
The hydraulic loss in spiral case is reduced, while beneficial to the operation steady in a long-term of unit.
3. similar spiral shape suction interior of the present invention is provided with flow distribution plate, there are preferable guide functions to liquid stream, be beneficial to
The stable and uniform flowing of liquid.
Inhaled 4. the present invention gives the cut water of spiral pressurized water chamber and the gap s of impeller outer diameter and pump housing import with impeller
The centre-height difference H of entrance recommendation calculation formula, be advantageous to the improvement of pump self-priming performance, shorten self-priming time.
Brief description of the drawings
Fig. 1 is the S-shaped suction elbow formula suction room sketch of traditional self priming pump；
Fig. 2 is a kind of standard of double embodiments of outlet multipurpose external-mix self-priming pump one with similar spiral shape suction room of the present invention
Spiral shape sucks room plan；
Fig. 3 is a kind of double embodiment forms of outlet multipurpose external-mix self-priming pump one with similar spiral shape suction room of the present invention
One sectional view；
Fig. 4 is a kind of double embodiment patterns of outlet multipurpose external-mix self-priming pump one with similar spiral shape suction room of the present invention
One left view；
Fig. 5 is a kind of double embodiment patterns of outlet multipurpose external-mix self-priming pump one with similar spiral shape suction room of the present invention
Two left view；
In figure, 1. pump housings；2. similar spiral shape sucks room；3. spiral pressurized water chamber；4. impeller；5. gas-liquid separation pipe；After 6.
Lid；7. mechanical seal；8. shaft end nut；9. main shaft；10. suspension body component；11. suction flange is taken over；12. flap valve；13. gas-liquid
Sorting hole；14. return port；15. add water plug；16. draining plug；17. flow distribution plate；18. outlet(discharge) flange is taken over；19. blind flange；
20. fluid reservoir；21. pump housing import；22. pump housing outlet；23. pump housing outlet.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
Accompanying drawing 2 is a kind of double embodiments of outlet multipurpose external-mix self-priming pump one that room is sucked with similar spiral shape of the present invention
Similar spiral shape sucks room plan, and the fluid flow direction of similar spiral shape suction room in the present invention is shown in figure；
Accompanying drawing 3,4 is a kind of double embodiments of outlet multipurpose external-mix self-priming pump one that room is sucked with similar spiral shape of the present invention
The sectional view and left view of form one；
A kind of double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room, mainly include suction flange and take over
11, the pump housing 1, impeller 4, gas-liquid separation pipe 5, bonnet 6, suspension body component 10, outlet(discharge) flange adapter 18, blind flange 19；
The pump housing sucks room 2 by similar spiral shape, and spiral shape delivery chamber 3 and the one casting of fluid reservoir 20 form, the standard
Spiral shape sucks room 2 and spiral pressurized water chamber 3 communicates, and is respectively positioned on inside the pump housing 1, and sucks the He of room 2 between the similar spiral shape
The outside of spiral pressurized water chamber 3 is fluid reservoir 20 with the space inside the pump housing 1；
The pump housing 1 has a pump housing import 21 higher than impeller inlet and positioned at pump housing side, and two outlets 22,
23, wherein the pump housing outlet 22 is located at the top of the pump housing, in the surface that spiral pressurized water chamber 3 exports, and pump housing outlet 23 is then
There is an identical centre-height in another side relative with pump housing import 21, and with pump housing import 21, two outlets
The outlet mounting means that two kinds of forms can be achieved is set, suitable for different purposes and produce reality requirement；
The two bottom sides of the spiral pressurized water chamber 3 are respectively provided with a return port 14, for bilateral backflow well format；
The top side of the pump housing 1 is provided with plus water plug 15, adds water first when being used for self priming pump；
In addition, the present invention gives the cut water of spiral pressurized water chamber 3 and the crest clearance S of impeller 4 and pump housing import 21
With the centre-height difference H of the suction inlet of impeller 4 recommendation calculation formula:
The cut water of the spiral pressurized water chamber 3 presses relationship below value with the crest clearance S of impeller 4：
S=0.118D2 0.366；
In formula：
The gap of S-spiral pressurized water chamber cut water and impeller outer diameter, mm；
D2- impeller outer diameter, mm；
The pump housing import 21 and the centre-height difference H of the suction inlet of impeller 4 press relationship below value：
In formula：
The centre-height of H-pump housing import and suction eye is poor, mm；
D2- impeller outer diameter, mm；
DS- suction flange adapter internal diameter, mm；
Ns-impeller specific speed；
Mounting means：
Form one (is used as common self priming pump)：
The bonnet 6 is connected on suspension body component 10 by bolt installation, and the impeller 4 is fixed by shaft end nut 8
Installed in one end of main shaft 9, the inner chamber of spiral pressurized water chamber 3 is placed in, the other end of main shaft 9 is arranged on bonnet 6 by bearing etc.
In suspension body component 10, wherein mechanical seal 7 is provided with the bonnet 6, and suspension body component 10 then passes through bolt and pump
Body 1 achieves a fixed connection；
The entrance that suction flange adapter 11 is arranged on the pump housing 1 makes it be communicated with similar spiral shape suction room 2, gas-liquid point
From the exit that pipe 13 is arranged on spiral pressurized water chamber 3, outlet(discharge) flange adapter 18 is arranged on the pump housing outlet 22 of the pump housing 1, for
The pump housing outlet 23 of the pump housing 1 is then blocked with blind flange 19；
Form two (is used as pipeline self sucking pump)：
It is overall identical with the mounting means of form one, need to be by spiral pressurized water chamber 3 exports described in form one gas
Liquid separating pipe 5 is removed, and the outlet(discharge) flange adapter 18 in the pump housing outlet 22 is removed and attaches it to the pump housing outlet
On 23, and then it is installed in pump housing outlet 22 in the blind flange 19 in pump housing outlet 23 originally.
Preferably, a flap valve 12 is installed between the suction flange adapter 11 and pump housing import 21.
Preferably, flow distribution plate 17 is provided with the F-L curve of the similar spiral shape suction room 2, flowing can be improved
Uniformity.
Preferably, the positive bottom of the pump housing 1 is provided with a draining plug 16, the draining for self priming pump.
Preferably, the size shape of return port 14 is identical, and radial dimension is symmetrical arranged at impeller outer edge
In the two bottom sides of spiral pressurized water chamber 3.
Preferably, several strip gas-liquid separation holes 13, the gas-liquid point are provided with the gas-liquid separation pipe 5
Number from hole 13 is 4~8.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding.
Those listed above is a series of to describe illustrating only for possible embodiments of the invention in detail,
They simultaneously are not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change
It should be included in the scope of the protection.
Claims (6)
- A kind of 1. double outlet multipurpose external-mix self-priming pumps with similar spiral shape suction room, it is characterised in that：Mainly include import Flange connecting pipe (11), the pump housing (1), impeller (4), gas-liquid separation pipe (5), bonnet (6), suspension body component (10), outlet(discharge) flange connects Manage (18), blind flange (19)；The pump housing sucks room (2) by similar spiral shape, and integrally casting forms for spiral shape delivery chamber (3) and fluid reservoir (20), described Similar spiral shape sucks room (2) and spiral pressurized water chamber (3) communicates, and is respectively positioned on the pump housing (1) inside, and is inhaled between the similar spiral shape Enter the room (2) and the space of the outside of spiral pressurized water chamber (3) and the pump housing (1) inside is fluid reservoir (20)；The pump housing (1) has a pump housing import (21) higher than impeller inlet and positioned at pump housing side, and two outlets (22), (23), wherein the pump housing outlet (22) is located at the top of the pump housing, in the surface of spiral pressurized water chamber (3) outlet, and pump Body exports (23) then in another side relative with pump housing import (21), and has identical center with pump housing import (21) Highly；The two bottom sides of the spiral pressurized water chamber (3) are respectively provided with a return port (14), for bilateral backflow well format；The top side of the pump housing (1) is provided with plus water plug (15), adds water first when being used for self priming pump；In addition, the present invention gives the cut water of spiral pressurized water chamber (3) and the crest clearance S of impeller (4) and pump housing import (21) with the centre-height difference H of impeller (4) suction inlet recommendation calculation formula:The cut water of the spiral pressurized water chamber (3) presses relationship below value with the crest clearance S of impeller (4)：S=0.118D2 0.366；In formula：The gap of S-spiral pressurized water chamber cut water and impeller outer diameter, mm；D2- impeller outer diameter, mm；The pump housing import (21) and the centre-height difference H of impeller (4) suction inlet press relationship below value：<mrow> <mi>H</mi> <mo>=</mo> <mn>0.5</mn> <msub> <mi>D</mi> <mi>S</mi> </msub> <mo>+</mo> <mn>0.85</mn> <msubsup> <mi>D</mi> <mn>2</mn> <mn>0.94</mn> </msubsup> <mo>+</mo> <mn>0.19</mn> <msubsup> <mi>n</mi> <mi>S</mi> <mn>0.96</mn> </msubsup> <mo>;</mo> </mrow>In formula：The centre-height of H-pump housing import and suction eye is poor, mm；D2- impeller outer diameter, mm；DS- suction flange adapter internal diameter, mm；ns- impeller specific speed；Mounting means：Form one (is used as common self priming pump)：The bonnet (6) is connected on suspension body component (10) by bolt installation, and the impeller (4) passes through shaft end nut (8) One end of main shaft (9) is fixedly mounted on, is placed in the inner chamber of spiral pressurized water chamber (3), the other end of main shaft (9) is pacified by bearing etc. In bonnet (6) and suspension body component (10), wherein mechanical seal (7) is provided with the bonnet (6), and suspension body component (10) then achieved a fixed connection by bolt and the pump housing (1)；The entrance that suction flange adapter (11) is arranged on the pump housing (1) makes it be communicated with similar spiral shape suction room (2), gas-liquid Separating pipe (13) is arranged on the exit of spiral pressurized water chamber (3), and the pump housing that outlet(discharge) flange adapter (18) is arranged on the pump housing (1) goes out Mouth (22), is then blocked for the pump housing outlet (23) of the pump housing (1) with blind flange (19)；Form two (is used as pipeline self sucking pump)：It is overall identical with the mounting means of form one, only need to be by the gas-liquid in the outlet of spiral pressurized water chamber (3) described in form one Separating pipe (5) is removed, and the outlet(discharge) flange adapter (18) in the pump housing outlet (22) is removed and attaches it to the pump housing Export on (23), and be then installed in pump housing outlet (22) in the blind flange (19) in pump housing outlet (23) originally.
- 2. according to a kind of double outlet multipurpose external-mix self-priming pumps that room is sucked with similar spiral shape described in claim 1, its It is characterised by：A flap valve (12) is installed between the suction flange adapter (11) and pump housing import (21).
- 3. according to a kind of double outlet multipurpose external-mix self-priming pumps that room is sucked with similar spiral shape described in claim 1, its It is characterised by：Flow distribution plate (17) is provided with the F-L curve of similar spiral shape suction room (2), the uniform of flowing can be improved Property.
- 4. according to a kind of double outlet multipurpose external-mix self-priming pumps that room is sucked with similar spiral shape described in claim 1, its It is characterised by：The positive bottom of the pump housing (1) is provided with a draining plug (16), the draining for self priming pump.
- 5. according to a kind of double outlet multipurpose external-mix self-priming pumps that room is sucked with similar spiral shape described in claim 1, its It is characterised by：Return port (14) size shape is identical, and radial dimension is symmetricly set in spiral shape at impeller outer edge Pumping chamber (3) two bottom sides.
- 6. according to a kind of double outlet multipurpose external-mix self-priming pumps that room is sucked with similar spiral shape described in claim 1, its It is characterised by：Several strip gas-liquid separation holes (13), the gas-liquid separation hole are provided with the gas-liquid separation pipe (5) (13) number is 4~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975741.5A CN107588008B (en) | 2017-10-19 | 2017-10-19 | Double-outlet multipurpose external mixing self-priming pump with quasi-spiral suction chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710975741.5A CN107588008B (en) | 2017-10-19 | 2017-10-19 | Double-outlet multipurpose external mixing self-priming pump with quasi-spiral suction chamber |
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| CN107588008A true CN107588008A (en) | 2018-01-16 |
| CN107588008B CN107588008B (en) | 2024-04-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829689A (en) * | 2019-11-19 | 2020-02-21 | 兰州理工大学 | Hydraulic motor pump shell with liquid flow-air flow-fin combined heat dissipation function |
| CN111075730A (en) * | 2019-11-20 | 2020-04-28 | 嘉善天晟精密铸件有限公司 | Horizontal single-suction self-priming pump |
| CN112469904A (en) * | 2018-08-31 | 2021-03-09 | 翰昂汽车零部件德国有限公司 | Conveying device |
| CN113309730A (en) * | 2021-06-24 | 2021-08-27 | 襄阳五二五泵业有限公司 | Vertical pipeline pump with uniformly distributed inlet flow field speed |
| CN114233684A (en) * | 2021-11-24 | 2022-03-25 | 河南航天液压气动技术有限公司 | High-speed high-pressure centrifugal pump |
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