CN108953158A - Multi-outlet centrifugal pump - Google Patents
Multi-outlet centrifugal pump Download PDFInfo
- Publication number
- CN108953158A CN108953158A CN201811103206.1A CN201811103206A CN108953158A CN 108953158 A CN108953158 A CN 108953158A CN 201811103206 A CN201811103206 A CN 201811103206A CN 108953158 A CN108953158 A CN 108953158A
- Authority
- CN
- China
- Prior art keywords
- resistance
- pressure cylinder
- sub
- cavity
- centrifugal pump
- 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.)
- Granted
Links
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of multi-outlet centrifugal pumps, including the pump housing, the pump housing includes resistance to pressure cylinder, the inner space of the resistance to pressure cylinder is successively separated into bottom cavity and at least one sub- chamber from top to bottom, cavity separation structure is equipped between each sub- chamber and cavity below the sub- chamber, the side wall of the resistance to pressure cylinder, which is equipped with, corresponds the sub-export being connected to each sub- chamber;Deflector is provided in the resistance to pressure cylinder, the bottom end of resistance to pressure cylinder is connected with disengaging water body and pedestal, and the top of resistance to pressure cylinder is equipped with motor, and the motor is connect with deflector by shaft coupling to transmit torque.The high-floor feedwater that the composite can be widely applied to classification pressurization, is suitable for the occasion of multiple flow lift demands, and difficulty of processing is low, appearance looks elegant.
Description
Technical field
The present invention relates to conveying equipment for fluid substances technical field more particularly to a kind of multi-outlet centrifugal pumps.
Background technique
Existing centrifugal multistage pump multiple centrifugal pump is mostly the pump of single inlet single-outlet, and inlet and outlet are in the same horizontal line and one
As on the same part, motor is connected with pump shaft by shaft coupling, have multiple impellers on pump shaft, impeller number (series) it is more
Its lift is determined less how much, user can select the series of pump, disadvantage according to the actual situation are as follows: pump only has single outlet,
If under the occasion for needing multiple lift demands, it is necessary to use more pumps, costly, inefficiency.
The applying date is the Chinese patent of on 07 25th, 2014, Patent No. CN201420415491.1, discloses one kind
High-pressure outlet and low tension outlet stablize the multistage pump of water outlet, including the vertical pump housing, and the upper end of the pump housing is equipped with motor, the lower end of the pump housing
Equipped with end cap, the center of the pump housing is equipped with a shaft, and the upper end of shaft is connected to motor, and the inside of the pump housing is divided into upper chamber under
Chamber, the inside of each chamber are equipped with impeller, and the water inlet of the pump housing is located in lower chambers, and the high-pressure outlet of the pump housing is located at epicoele
On room, the low tension outlet of the pump housing is located in lower chambers;The diameter of the impeller of bottom chamber be upper chamber's internal lobe wheel diameter 1.2~
1.3 again.Although the patent can achieve the purpose of single pump multi output, but only there are two outlets, therefore use scope is not wide, separately
Its outer pump housing is sectional type, and processing difficulties are at high cost.
Summary of the invention
The present invention proposes a kind of multi-outlet centrifugal pump to solve the above technical problems.
In order to achieve the above object, the technical scheme adopted by the invention is as follows: a kind of multi-outlet centrifugal pump, including the pump housing,
The pump housing includes resistance to pressure cylinder, and the inner space of the resistance to pressure cylinder is successively separated into bottom cavity and at least one sub- chamber from top to bottom,
It is equipped with cavity separation structure between each sub- chamber and cavity below the sub- chamber, the side wall of the resistance to pressure cylinder is equipped with
The sub-export being connected to is corresponded with sub- chamber;Deflector is provided in the resistance to pressure cylinder, the bottom end of resistance to pressure cylinder is connected with pedestal
And it is connected to the disengaging water body of bottom cavity, seal receptacle is sealedly connected at the top of resistance to pressure cylinder, the top of the seal receptacle is equipped with motor, institute
Motor is stated to be connect with deflector by shaft coupling to transmit torque.
If preferably, the deflector include pump shaft and several impellers on pump shaft, several support guide vanes,
Dry guide vane, the guide vane are located above support guide vane, and the guide vane matches with impeller, and the pump shaft and motor pass through shaft coupling
Connection is to transmit torque.
Preferably, being sealedly connected with seal receptacle at the top of the resistance to pressure cylinder, the pump shaft passes through the centre bore of seal receptacle,
The gap location of the pump shaft and seal receptacle is equipped with mechanical seal;It is equipped with pull rod between the seal receptacle and disengaging water body, it is described
Pull rod is placed in outside resistance to pressure cylinder.
Preferably, several impellers, several support guide vanes, several guide vanes are evenly distributed in bottom cavity and sub- chamber.
Preferably, the quantity of the sub- chamber and sub-export is 2 to 6.
Preferably, multiple sub-exports are located at the same side of resistance to pressure cylinder when the sub-export is more than one.
Preferably, being equipped with O shape slot at the outer circle of the cavity separation structure, O-ring, the O are equipped in the O shape slot
Shape circle will seal between cavity separation structure and resistance to pressure cylinder.
Preferably, being connected with choma seat at the top of the cavity separation structure, the choma seat is connected with floating choma,
Choma gland is removably connected on the outside of the choma seat.
Preferably, several guide piles are arranged at the bottom of the cavity separation structure, the circumferencial direction of the guide pile is set
There is return flow line.
Preferably, the gap location of the pump shaft and seal receptacle is equipped with mechanical seal.
Preferably, being additionally provided with several impeller spacers on the pump shaft, the impeller spacer is set to two leaves of arbitrary neighborhood
Between wheel.
Preferably, being provided with protection seal receptacle and shaft coupling on the outside of the seal receptacle and shaft coupling and supporting motor
Bracket.
Preferably, the sub-export and the connection type of resistance to pressure cylinder are cutting ferrule, flange or threaded connection.
Compared with prior art, the high-floor feedwater that the composite can be widely applied to classification pressurization, is suitable for multiple flows
The occasion of lift demand, and difficulty of processing is low, appearance looks elegant.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multi-outlet centrifugal pump of the present invention;
Fig. 2 is the enlarged structure schematic diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram of cavity separation structure in multi-outlet centrifugal pump of the present invention;
Fig. 4 is the cross-sectional view of K-K in Fig. 3.
In figure, 1- motor, the resistance to pressure cylinder of 2-, 3- disengaging water body, 4- shaft coupling, 5- mechanical seal, 6- pump shaft, 7- seal receptacle,
8- pull rod, 9- bracket, 10- bottom cavity, 11- chamber, 12- sub-export, 13- impeller, 14- support guide vane, 15- guide vane, 16- cavity point
Every structure, 17-O shape circle, 18- choma seat, 19- floating retaining ring, 20- choma lid, 21- guide pile, the return flow line 22-, the bottom 23-
Seat.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
As shown in Figure 1, a kind of multi-outlet centrifugal pump, including the pump housing, pump housing top are equipped with motor 1, the pump housing includes resistance to pressure cylinder 2
With the deflector being set in resistance to pressure cylinder 2, the bottom end of resistance to pressure cylinder 2 is connected with disengaging water body 3 and pedestal 23, deflector and motor
1 is connected by shaft coupling 4 to transmit torque.The pump housing can be vertical, or the other structures such as horizontal.
At least one cavity separation structure 16 is provided in resistance to pressure cylinder 2, cavity separation structure 16 is empty by the inside of resistance to pressure cylinder 2
Between be successively separated into bottom cavity 10 and at least one sub- chamber 11 from top to bottom, the connection disengaging water body 3 of bottom cavity 10, resistance to pressure cylinder 2 is equipped with
The sub-export 12 being connected to is corresponded with sub- chamber 11.Wherein, resistance to pressure cylinder 2 can be made of stainless steel, sub-export 12 and resistance to pressure cylinder 2
Connection type can be cutting ferrule, flange or threaded connection.
As shown in Fig. 2, deflector may include that pump shaft 6 and several impellers 13 on pump shaft 6, several supports are led
Leaf 14, several guide vanes 15.Wherein, support guide vane 14 can be located at 16 top of cavity separation structure, and guide vane 15 is located at support guide vane
14 tops, guide vane 15 match with impeller 13, and pump shaft 6 is connect with motor 1 by shaft coupling 4 to transmit torque.In addition, pump shaft 6
On can also set several impeller spacers, impeller spacer is set between two impellers 13 of arbitrary neighborhood.
At this point, the top of resistance to pressure cylinder 2 can be sealedly connected with seal receptacle 7, pump shaft 6 passes through the centre bore of seal receptacle 7, sealing
It is equipped with pull rod 8 between seat and 7 disengaging water bodys 3, pull rod 8 is placed in outside resistance to pressure cylinder 2.The gap location of pump shaft 6 and seal receptacle 7 is equipped with machine
Tool sealing 5.Bracket 9 can be set on the outside of seal receptacle 7 and shaft coupling 4 to protect seal receptacle 7 and shaft coupling 4 and support motor 1.
It is equipped with O shape slot at the outer circle of cavity separation structure 16, O-ring 17 is equipped in O shape slot, O-ring 17 is used for cavity
It is sealed between 2 inner wall of separation structure 16 and resistance to pressure cylinder.As shown in figure 3, several guide piles are arranged at the bottom of cavity separation structure 16
21, play the role of installation positioning.As shown in figure 4, the top (Fig. 4 is reversed) of cavity separation structure 16 is connected with choma seat
18, choma seat 18 is connected with floating choma 19, and the outside of choma seat 18 is removably connected with choma gland 20, and floating choma 19 is used
In reducing the leakage between cavity separation structure 16 and impeller 13, the efficiency of pump is improved.The circumferencial direction of guide pile 21 is equipped with back
Circulation road 22, a part of liquid are pooled to apopore by return flow line 22 and flow out, and another part liquid is by choma seat 18
Through-hole enter at the first stage impeller 13 of next cavity, to be further pressurized.
Cavity separation structure 16 of the invention will be separated into the pressure chamber of different pressures inside resistance to pressure cylinder 2, bottom cavity 10 and each
The pressure of a sub- chamber 11 is different, can adjust the lift of cavity by the quantity of the impeller 13 and guide vane 15 that adjust each cavity.
It is of course also possible to which several impellers 13, several support guide vanes 14, several guide vanes 15 are evenly distributed in bottom cavity 10 and each sub- chamber 11.
The quantity of sub- chamber 11 and sub-export 12 can be set according to actual needs, for example can choose 2 to 6.When separating
When mouth 12 is more than one, multiple sub-exports 12 can be located at the same side of resistance to pressure cylinder 2.
In this way, several sub-exports 12 are arranged on resistance to pressure cylinder 2, to have 2 or more water outlets, each in the present invention
The lift of water outlet is each different, can satisfy 2 or more lift demands, and use scope is wider, can meet high pressure, in
The different demand such as pressure, low pressure has saved equipment and pipe-line system, and the efficiency of pump is also than high-efficient, the Er Qiejia of former more pumps
Work difficulty is low, appearance looks elegant, and outlet port can be customized by customer requirement, very flexibly.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by the application
Claim point out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (9)
1. a kind of multi-outlet centrifugal pump, which is characterized in that including the pump housing, the pump housing includes resistance to pressure cylinder, the resistance to pressure cylinder it is interior
Portion space is successively separated into bottom cavity and at least one sub- chamber, each sub- chamber and the cavity being located at below the sub- chamber from top to bottom
Between be equipped with cavity separation structure, the side wall of the resistance to pressure cylinder is equipped with and corresponds separating of being connected to each sub- chamber
Mouthful;
Deflector is provided in the resistance to pressure cylinder, the bottom end of resistance to pressure cylinder is connected with pedestal and is connected to the disengaging water body of bottom cavity, resistance to
Seal receptacle is sealedly connected at the top of pressure cylinder, the top of the seal receptacle is equipped with motor, and the motor passes through shaft coupling and water conservancy diversion
Mechanism is connected to transmit torque.
2. multi-outlet centrifugal pump according to claim 1, which is characterized in that the deflector includes pump shaft and is set to
Several impellers, several support guide vanes, several guide vanes on pump shaft, the guide vane are located above support guide vane, the guide vane and leaf
Wheel matches, and the pump shaft is connect with motor by shaft coupling to transmit torque.
3. multi-outlet centrifugal pump according to claim 2, which is characterized in that the pump shaft passes through the centre bore of seal receptacle,
Pull rod is connected between the seal receptacle and pedestal, the pull rod is placed in outside resistance to pressure cylinder.
4. multi-outlet centrifugal pump according to claim 1, which is characterized in that be equipped at the outer circle of the cavity separation structure
O shape slot, the O shape slot is interior to be equipped with O-ring, and the O-ring will seal between cavity separation structure and resistance to pressure cylinder.
5. multi-outlet centrifugal pump according to claim 1 or 4, which is characterized in that connect at the top of the cavity separation structure
It is connected to choma seat, the choma seat is connected with floating choma, is removably connected with choma gland on the outside of the choma seat.
6. multi-outlet centrifugal pump according to claim 1 or 4, which is characterized in that the bottom of the cavity separation structure has
The circumferencial direction of several guide piles, the guide pile is equipped with return flow line.
7. multi-outlet centrifugal pump according to claim 1, which is characterized in that the connection type of the sub-export and resistance to pressure cylinder
For cutting ferrule, flange or threaded connection.
8. multi-outlet centrifugal pump according to claim 3, which is characterized in that the gap location of the pump shaft and seal receptacle is equipped with
Mechanical seal.
9. multi-outlet centrifugal pump according to claim 1, which is characterized in that the setting of the outside of the seal receptacle and shaft coupling
There are protection seal receptacle and shaft coupling and the bracket for supporting motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811103206.1A CN108953158B (en) | 2018-09-20 | Multi-outlet centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811103206.1A CN108953158B (en) | 2018-09-20 | Multi-outlet centrifugal pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108953158A true CN108953158A (en) | 2018-12-07 |
CN108953158B CN108953158B (en) | 2024-07-12 |
Family
ID=
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110359518A (en) * | 2019-05-16 | 2019-10-22 | 戚长胜 | A kind of variable-flow multi-stage-multi-outlet water pump constant pressure water supply system and control method |
CN112901511A (en) * | 2021-01-29 | 2021-06-04 | 绍兴市雪花机电有限公司 | Variable frequency pump |
CN114278570A (en) * | 2022-02-07 | 2022-04-05 | 诺赛水泵系统(江苏)有限公司 | Vertical centrifugal pump and water supply system with same |
CN114962272A (en) * | 2022-06-09 | 2022-08-30 | 烟台龙港泵业股份有限公司 | High-pressure water injection pump with adjustable marine floating platform reposition of redundant personnel |
CN117823415A (en) * | 2024-03-04 | 2024-04-05 | 山东华立供水设备有限公司 | Multistage centrifugal pump |
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FR2277256A1 (en) * | 1974-07-03 | 1976-01-30 | Sulzer Ag | MULTI-STAGE CENTRIFUGAL PUMP |
CN202157969U (en) * | 2011-07-11 | 2012-03-07 | 山东博泵科技股份有限公司 | Multi-stage multi-outlet suspension arm type centrifugal pump |
EP2505842A1 (en) * | 2011-03-29 | 2012-10-03 | Grundfos Management a/s | Multi stage centrifugal pump system |
WO2014187648A1 (en) * | 2013-05-22 | 2014-11-27 | Grundfos Holding A/S | Multistage self-suctioning centrifugal pump unit |
CN204041467U (en) * | 2014-09-30 | 2014-12-24 | 大福泵业有限公司 | Efficient deep well submerged pump |
CN204041476U (en) * | 2014-07-25 | 2014-12-24 | 上海瑞邦机械集团有限公司 | A kind of high-pressure outlet and low tension outlet stablize the multistage pump of water outlet |
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CN104612976A (en) * | 2015-01-27 | 2015-05-13 | 中国海洋石油总公司 | Horizontal type and single suction segment type multi-stage and double-outlet centrifugal pump |
CN204476777U (en) * | 2012-05-25 | 2015-07-15 | 安德烈·尤利维奇·亚济科夫 | Multi-impeller Centrifugal electro-pump |
CN204692112U (en) * | 2015-05-22 | 2015-10-07 | 戚长胜 | Punching press vertical multi-stage multiple exit ports water pump |
WO2016083382A1 (en) * | 2014-11-25 | 2016-06-02 | Ksb Aktiengesellschaft | Centrifugal pump comprising a conducting device |
CN205533264U (en) * | 2016-01-28 | 2016-08-31 | 绵阳博凡科技有限公司 | Vertical multi -stage centrifugal pump |
CN107461339A (en) * | 2016-06-03 | 2017-12-12 | 苏州赟羽机电科技有限公司 | A kind of intelligent centrifugal multistage pump multiple centrifugal pump |
CN207513842U (en) * | 2017-11-28 | 2018-06-19 | 浙江克瑞丰球泵业有限公司 | A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band |
CN108457865A (en) * | 2018-03-21 | 2018-08-28 | 浙江南元泵业有限公司 | High-temperature resistant pump and its cooling structure |
CN208816343U (en) * | 2018-09-20 | 2019-05-03 | 浙江南元泵业有限公司 | Multi-outlet centrifugal pump |
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FR2277256A1 (en) * | 1974-07-03 | 1976-01-30 | Sulzer Ag | MULTI-STAGE CENTRIFUGAL PUMP |
EP2505842A1 (en) * | 2011-03-29 | 2012-10-03 | Grundfos Management a/s | Multi stage centrifugal pump system |
CN202157969U (en) * | 2011-07-11 | 2012-03-07 | 山东博泵科技股份有限公司 | Multi-stage multi-outlet suspension arm type centrifugal pump |
CN204476777U (en) * | 2012-05-25 | 2015-07-15 | 安德烈·尤利维奇·亚济科夫 | Multi-impeller Centrifugal electro-pump |
WO2014187648A1 (en) * | 2013-05-22 | 2014-11-27 | Grundfos Holding A/S | Multistage self-suctioning centrifugal pump unit |
CN204041476U (en) * | 2014-07-25 | 2014-12-24 | 上海瑞邦机械集团有限公司 | A kind of high-pressure outlet and low tension outlet stablize the multistage pump of water outlet |
CN104314827A (en) * | 2014-08-25 | 2015-01-28 | 南方泵业股份有限公司 | Middle discharging section of multi-outlet horizontal single-suction sectional multistage centrifugal pump |
CN204041467U (en) * | 2014-09-30 | 2014-12-24 | 大福泵业有限公司 | Efficient deep well submerged pump |
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CN104612976A (en) * | 2015-01-27 | 2015-05-13 | 中国海洋石油总公司 | Horizontal type and single suction segment type multi-stage and double-outlet centrifugal pump |
CN204692112U (en) * | 2015-05-22 | 2015-10-07 | 戚长胜 | Punching press vertical multi-stage multiple exit ports water pump |
CN205533264U (en) * | 2016-01-28 | 2016-08-31 | 绵阳博凡科技有限公司 | Vertical multi -stage centrifugal pump |
CN107461339A (en) * | 2016-06-03 | 2017-12-12 | 苏州赟羽机电科技有限公司 | A kind of intelligent centrifugal multistage pump multiple centrifugal pump |
CN207513842U (en) * | 2017-11-28 | 2018-06-19 | 浙江克瑞丰球泵业有限公司 | A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band |
CN108457865A (en) * | 2018-03-21 | 2018-08-28 | 浙江南元泵业有限公司 | High-temperature resistant pump and its cooling structure |
CN208816343U (en) * | 2018-09-20 | 2019-05-03 | 浙江南元泵业有限公司 | Multi-outlet centrifugal pump |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110359518A (en) * | 2019-05-16 | 2019-10-22 | 戚长胜 | A kind of variable-flow multi-stage-multi-outlet water pump constant pressure water supply system and control method |
CN112901511A (en) * | 2021-01-29 | 2021-06-04 | 绍兴市雪花机电有限公司 | Variable frequency pump |
CN112901511B (en) * | 2021-01-29 | 2022-08-09 | 绍兴市雪花机电有限公司 | Variable frequency pump |
CN114278570A (en) * | 2022-02-07 | 2022-04-05 | 诺赛水泵系统(江苏)有限公司 | Vertical centrifugal pump and water supply system with same |
CN114962272A (en) * | 2022-06-09 | 2022-08-30 | 烟台龙港泵业股份有限公司 | High-pressure water injection pump with adjustable marine floating platform reposition of redundant personnel |
CN117823415A (en) * | 2024-03-04 | 2024-04-05 | 山东华立供水设备有限公司 | Multistage centrifugal pump |
CN117823415B (en) * | 2024-03-04 | 2024-05-03 | 山东华立供水设备有限公司 | Multistage centrifugal pump |
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