CN108457908A - A kind of sucking air deflector of centrifugal pump - Google Patents
A kind of sucking air deflector of centrifugal pump Download PDFInfo
- Publication number
- CN108457908A CN108457908A CN201810450046.1A CN201810450046A CN108457908A CN 108457908 A CN108457908 A CN 108457908A CN 201810450046 A CN201810450046 A CN 201810450046A CN 108457908 A CN108457908 A CN 108457908A
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- CN
- China
- Prior art keywords
- fixed plate
- air deflector
- threaded hole
- fixedly connected
- motor
- Prior art date
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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
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers 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
- 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
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- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
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- 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 sucking air deflectors of centrifugal pump,Including motor,The left side of the motor is fixedly connected with terminal box,It is fixedly connected with rotation axis in the middle part of the motor bottom,The bottom of the motor is fixedly connected with protective cover,The rotation axis is located at the inside of protective cover,The one end of the protective cover far from motor is fixedly connected with the first fixed plate,The upper surface of first fixed plate is opened up there are two the first symmetrical threaded hole,The middle part of first fixed plate upper surface is fixed and is inlaid with first bearing,The bottom of first fixed plate is equipped with the second fixed plate,The upper surface of second fixed plate is opened up there are two the second symmetrical threaded hole,Middle part at the top of second fixed plate, which is fixed, is inlaid with second bearing,Second threaded hole is internally threaded bar,The threaded rod sequentially passes through the second threaded hole and the first threaded hole and the top for extending to the first fixed plate close to one end of the second threaded hole.The sucking air deflector of the centrifugal pump, has anti-clogging pipeline, the advantages of convenient for user installation and being conducive to marketing and use.
Description
Technical field
The present invention relates to pump technical field, the sucking air deflector of specially a kind of centrifugal pump.
Background technology
Pump is trandfer fluid or makes the machinery of fluid pressurized, it sends the mechanical energy of prime mover or other external energies to
Liquid makes liquid energy increase, and pump is mainly used to convey the liquid such as water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid metal,
Also liquid, gas mixture and the liquid containing suspended solids are can transport, pump can be usually divided into positive displacement pump, dynamical type by operation principle
Pump and other types pump three classes, in addition to classifying by operation principle, can also be classified and be named by other methods, such as can by driving method
It is divided into electrodynamic pump and turbine pump etc., can be divided into single-stage pump and multistage pump by structure, can be divided into boiler feed pump and metering by purposes
Pump etc. can be divided into water pump, oil pump and slush pump etc. by the property of conveying liquid, according to whether there is or not axle construction, straight line can be divided to pump and pass
System pump, water pump can only convey the logistics using fluid as medium, be unable to conveying solid substance, and impeller pump is to drive liquid at high speed by impeller
It turns round and mechanical energy is passed to conveyed liquid, can be divided again according to the impeller of pump and the different vane types of flow passage structure feature
For centrifugal pump, axial-flow pump, mixed-flow pump and peripheral pump etc., pump has application, people in agricultural, mining industry, metallurgy and electric power etc.
A pump is possible to when using centrifugal pump cannot reach requirement multistage pump is needed to be used cooperatively, or use water conservancy diversion
Device is pressurized, and sucking air deflector and control valve can be coordinated to be used during centrifugal pump use, especially in natural gas
Transmission process in.
Air deflector is mounted between marine riser and turntable, is fixed on turntable crossbeam, impeller outlet liquid can be received
Collection gets up to be transported to next stage impeller inlet or export pipeline, and playing, which reduces liquid velocity, is converted to pressure energy, existing sucking
Air deflector exists in use easily blocks pipeline, production cost height and the problem of be not easy to user installation, need we into
Row solves, and a kind of existing sucking diversion pipe of centrifugal pump can solve the problems, such as this.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of sucking air deflector of centrifugal pump, have anti-clogging pipeline, be convenient for
The advantages of user installation is with being conducive to marketing and using solves existing air deflector and does not have anti-clogging pipeline, be not easy to
User installation and it is unfavorable for the problem of market uses and promotes.
（Two）Technical solution
To achieve the above object, the present invention provides the following technical solutions：A kind of sucking air deflector of centrifugal pump, including motor, institute
The left side for stating motor is fixedly connected with terminal box, and rotation axis is fixedly connected in the middle part of the motor bottom, the motor
Bottom is fixedly connected with protective cover, and the rotation axis is located at the inside of protective cover, and the one end of the protective cover far from motor is fixed
It is connected with the first fixed plate, the upper surface of first fixed plate is opened up there are two the first symmetrical threaded hole, and described first
The middle part of fixed plate upper surface, which is fixed, is inlaid with first bearing, and the bottom of first fixed plate is equipped with the second fixed plate, described
The upper surface of second fixed plate is opened up there are two the second symmetrical threaded hole, and edge is fixed at the middle part at the top of second fixed plate
Embedded with second bearing, second threaded hole is internally threaded bar, the threaded rod close to one end of the second threaded hole according to
Secondary to run through the second threaded hole and the first threaded hole and the top for extending to the first fixed plate, the threaded rod extends to the first fixation
Threaded one end above plate is connected with the first nut.
The bottom of second fixed plate is fixed and is communicated with impeller casing, and the one end of the rotation axis far from motor sequentially passes through
First bearing and second bearing and the inside for extending to impeller casing, the rotation axis, which extends to one end inside impeller casing and fixes, to be connected
It is connected to impeller, the left side of the impeller casing is fixedly connected with efferent duct, and the bottom of the impeller casing, which is fixed, is communicated with input pipe,
The inner bottom wall of the input pipe is fixedly connected with drain plug, and the one end of the input pipe far from impeller casing, which is fixed, is communicated with the first method
The right side of blue disk, the first flange disk is equipped with air deflector ontology, and the left side of the air deflector ontology, which is fixed, is communicated with second
The medial surface of ring flange, the air deflector ontology is fixedly connected with supporting rod, and the outer surface of the supporting rod is socketed with deflector,
The bottom of the baffle ontology, which is fixed, is communicated with pressure reducing valve, and the upper surface of the air deflector ontology, which is fixed, is communicated with water inlet pipe,
The water inlet pipe is mutually perpendicular to air deflector ontology.
Preferably, the diameter value of first threaded hole is equal with the diameter value of the second threaded hole, first threaded hole
It is respectively positioned in same perpendicular with the second threaded hole.
Preferably, one end that the rotation axis extends to inside impeller casing has been respectively fixedly connected with retaining ring and machinery is close
Envelope, the mechanical seal is located at the top of retaining ring, and the upper surface of mechanical seal is fixedly connected with the second fixed plate.
Preferably, the diameter value of the input pipe and the diameter value of efferent duct are equal, and the input pipe is far from impeller casing
One end is fixedly connected with filter screen.
Preferably, the left side of the first flange disk be equipped with bolt, the bolt close to one end of first flange disk successively
Through first flange disk and second flange disk and the right side for extending to second flange disk, it is right that the bolt extends to second flange disk
The threaded one end of side is connected with the second nut.
Preferably, the outer surface of deflector shape in curved surface, the deflector is fixedly connected with several inlet dampers.
（Three）Advantageous effect
The present invention provides a kind of sucking air deflectors of centrifugal pump, have following advantageous effect：
（1）The sucking air deflector of the centrifugal pump effectively can enter protective cover by barrier liquid by mechanical seal and retaining ring
Inside, can effectively prevent liquid entry into the inside of motor, can effectively avoid the damage of electric part, can play
The effect of sealing and protection, is conducive to extend the service life of centrifugal pump, is conducive to improve marketing and usability, by the
One threaded hole and the second threaded hole can facilitate user installation impeller casing, can facilitate user by the second fixed plate together with impeller casing
It is fixed together together with motor, is conducive to improve electric part being combined with pressure portion, is conducive to marketing
With use, can effectively stop the entrance of impurity by installing filter screen in the water inlet of input pipe, can effectively avoid
The appearance of line clogging phenomenon is conducive to user-friendly and uses, while impeller casing, efferent duct and input pipe form one
Closed cavity collectively forms the pump housing and becomes a pressure chamber, plays the effect of centrifugal pump, while being also convenient for and air deflector
Ontology is attached, and is conducive to marketing and use.
（2）The sucking air deflector of the centrifugal pump, can be by first flange disk and second flange by bolt and the second nut
Disk links together, and the pump housing that input pipe forms can be connected to the fixation of air deflector ontology, liquid can be made in air deflector sheet
The inside of body is pressurized, and is improved the pressure values of impeller casing internal liquid, is connected by screw bolts and is conducive to facilitate user installation, is led to
The conversion that a flow velocity and pressure energy are carried out into the liquid of air deflector body interior can be made by crossing deflector and inlet damper, can
Stressed to play the role of increasing, when liquid enters the inside of air deflector ontology by water inlet pipe, inlet damper is by gravity
The effect lower sucking and conversion that drive deflector rotation to realize liquid, are conducive to the changing effect for improving pressure energy, are conducive to city
Field is promoted and is used, and has anti-clogging pipeline, the advantages of convenient for user installation and being conducive to marketing and use.
Description of the drawings
Fig. 1 is impeller casing sectional view of the present invention；
Fig. 2 is structure enlargement diagram at A in Fig. 1 of the present invention.
In figure：1 motor, 2 terminal boxes, 3 rotation axis, 4 protective covers, 5 first fixed plates, 6 first threaded holes, 7 first bearings,
8 second fixed plates, 9 second bearings, 10 second threaded holes, 11 threaded rods, 12 first nuts, 13 impeller casings, 14 impellers, 15 water blocking
Circle, 16 mechanical seals, 17 efferent ducts, 18 input pipes, 19 drain plugs, 20 filter screens, 21 first flange disks, 22 air deflector ontologies,
23 second flange disks, 24 bolts, 25 second nuts, 26 supporting rods, 27 deflectors, 28 inlet dampers, 29 pressure reducing valves, 30 water inlets
Pipe.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of sucking air deflector of centrifugal pump, including motor 1,
The left side of motor 1 is fixedly connected with terminal box 2, and rotation axis 3 is fixedly connected in the middle part of 1 bottom of motor, and rotation axis 3 extends to
One end inside impeller casing 13 has been respectively fixedly connected with retaining ring 15 and mechanical seal 16, and mechanical seal 16 is located at retaining ring 15
Top, and the upper surface of mechanical seal 16 is fixedly connected with the second fixed plate 8, can be had by mechanical seal 16 and retaining ring 15
The barrier liquid of effect enters the inside of protective cover 4, can effectively prevent liquid entry into the inside of motor 1, can effectively keep away
Exempt from the damage of electric part, sealing and protection can be played the role of, be conducive to extend the service life of centrifugal pump, is conducive to carry
The bottom of high marketing and usability, motor 1 is fixedly connected with protective cover 4, and rotation axis 3 is located at the inside of protective cover 4, protection
4 one end far from motor 1 of cover are fixedly connected with the first fixed plate 5, and the upper surface of the first fixed plate 5 opens up that there are two symmetrical
First threaded hole 6, the diameter value of the first threaded hole 6 is equal with the diameter value of the second threaded hole 10, the first threaded hole 6 and the second spiral shell
Pit 10 is respectively positioned in same perpendicular, can facilitate user installation impeller by the first threaded hole 6 and the second threaded hole 10
Case 13 can facilitate user to be fixed together the second fixed plate 8 together with impeller casing 13 and motor 1, be conducive to carry
High electric part is combined with pressure portion, is conducive to marketing and use, and the middle part of 5 upper surface of the first fixed plate is fixed
It is inlaid with first bearing 7, the bottom of the first fixed plate 5 is equipped with the second fixed plate 8, and the upper surface of the second fixed plate 8 offers two
A the second symmetrical threaded hole 10, the middle part at 8 top of the second fixed plate, which is fixed, is inlaid with second bearing 9, the second threaded hole 10
Be internally threaded bar 11, threaded rod 11 sequentially passes through the second threaded hole 10 and the first spiral shell close to one end of the second threaded hole 10
Pit 6 and the top for extending to the first fixed plate 5, the threaded one end that threaded rod 11 extends to 5 top of the first fixed plate are connected with
First nut 12.
The bottom of second fixed plate 8, which is fixed, is communicated with impeller casing 13, and the one end of rotation axis 3 far from motor 1 sequentially passes through the
One bearing 7 and second bearing 9 and the inside for extending to impeller casing 13, one end that rotation axis 2 extends to inside impeller casing 13 are fixed
It is connected with impeller 14, the left side of impeller casing 13 is fixedly connected with efferent duct 17, and the bottom of impeller casing 13, which is fixed, is communicated with input
The diameter value of pipe 18, input pipe 18 is equal with the diameter value of efferent duct 17, and the one end of input pipe 18 far from impeller casing 13, which is fixed, to be connected
It is connected to filter screen 20, can effectively stop the entrance of impurity by installing filter screen 20 in the water inlet of input pipe 18, it can be with
The effective appearance for avoiding line clogging phenomenon is conducive to user-friendly and uses, while impeller casing 13,17 and of efferent duct
Input pipe 18 forms a closed cavity, collectively forms the pump housing and becomes a pressure chamber, plays the effect of centrifugal pump, together
When be also convenient for being attached with air deflector ontology 22, be conducive to marketing and use, the inner bottom wall of input pipe 18 is fixedly connected
There is drain plug 19, the one end of input pipe 18 far from impeller casing 13, which is fixed, is communicated with first flange disk 21, a left side for first flange disk 21
Side is equipped with bolt 24, and bolt 24 sequentially passes through first flange disk 21 and second flange disk 23 simultaneously close to one end of first flange disk 21
The right side of second flange disk 23 is extended to, the threaded one end that bolt 24 extends to 23 right side of second flange disk is connected with the second nut
25, first flange disk 21 and second flange disk 23 can be linked together by bolt 24 and the second nut 25, it can will be defeated
The pump housing for entering the composition of pipe 18 is connected to the fixation of air deflector ontology 22, and liquid can be made to be increased in the inside of air deflector ontology 22
Pressure improves the pressure values of 13 internal liquid of impeller casing, is conducive to facilitate user installation, first flange disk 21 using the connection of bolt 24
Right side be equipped with air deflector ontology 22, the left side of air deflector ontology 22 is fixed and is communicated with second flange disk 23, air deflector ontology
22 medial surface is fixedly connected with supporting rod 26, and the outer surface of supporting rod 26 is socketed with deflector 27,27 shape in curved surface of deflector,
The outer surface of deflector 27 is fixedly connected with several inlet dampers 28, can make entrance by deflector 27 and inlet damper 28
Liquid inside air deflector ontology 22 carries out the conversion of a flow velocity and pressure energy, can play the role of increasing stressed, works as liquid
Inlet damper 28 is in lower drive deflector 27 affected by gravity when body is entered the inside of air deflector ontology 22 by water inlet pipe 30
The sucking and conversion of liquid are realized in rotation, are conducive to the changing effect for improving pressure energy, are conducive to marketing and use, water conservancy diversion
The bottom of body ontology 22, which is fixed, is communicated with pressure reducing valve 29, and the upper surface of air deflector ontology 22, which is fixed, is communicated with water inlet pipe 30, intakes
Pipe 30 is mutually perpendicular to air deflector ontology 22.
Operation principle：The inside of air deflector ontology 22 and input pipe 18 is filled water by user first, then by motor 1 and power supply
Connection, 3 impeller 14 of rotation axis carry out quick rotation, liquid shape under the quick rotation of impeller 14 in the inside of impeller casing 13
Liquid is transported to the outside of efferent duct 17 at centrifugal force, liquid will be driven constantly to enter when motor 1 constantly rotates and led
The inside for flowing device ontology 22 and impeller casing 13, gradually forms the process of supercharging and conveying.
In conclusion the sucking air deflector of the centrifugal pump, can effectively be stopped by mechanical seal 16 and retaining ring 15
Liquid enters the inside of protective cover 4, can effectively prevent liquid entry into the inside of motor 1, can effectively avoid electrical part
The damage divided, can play the role of sealing and protection, be conducive to extend the service life of centrifugal pump, be conducive to raising market and push away
Wide and usability, can facilitate user installation impeller casing 13 by the first threaded hole 6 and the second threaded hole 10, can facilitate user
Second fixed plate 8 is fixed together together with impeller casing 13 and motor 1, is conducive to improve electric part and pressure portion
That divides is combined, and is conducive to marketing and use, can be effective by installing filter screen 20 in the water inlet of input pipe 18
The entrance for stopping impurity, can effectively avoid the appearance of line clogging phenomenon, be conducive to user-friendly and use, simultaneously
Impeller casing 13, efferent duct 17 and input pipe 18 form a closed cavity, collectively form the pump housing and become a pressure chamber,
The effect of centrifugal pump is played, while being also convenient for being attached with air deflector ontology 22, is conducive to marketing and use, passes through spiral shell
Bolt 24 and the second nut 25 can link together first flange disk 21 and second flange disk 23, can form input pipe 18
The fixation of the pump housing and air deflector ontology 22 be connected to, liquid can be made to be pressurized in the inside of air deflector ontology 22, raising impeller
The pressure values of 13 internal liquid of case are conducive to facilitate user installation, pass through deflector 27 and inlet damper using the connection of bolt 24
28 can make to enter the conversion that the liquid inside air deflector ontology 22 carries out a flow velocity and pressure energy, can play increase pressure
Effect, when liquid enters the inside of air deflector ontology 22 by water inlet pipe 30, inlet damper 28 is in lower band affected by gravity
The sucking and conversion of liquid are realized in the dynamic rotation of deflector 27, are conducive to the changing effect for improving pressure energy, are conducive to marketing
With use, solve existing air deflector and do not have anti-clogging pipeline, be not easy to user installation and be unfavorable for market and use and promote
The problem of.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of sucking air deflector of centrifugal pump, including motor（1）, it is characterised in that：The motor（1）Left side fix connect
It is connected to terminal box（2）, the motor（1）Rotation axis is fixedly connected in the middle part of bottom（3）, the motor（1）Bottom fix
It is connected with protective cover（4）, the rotation axis（3）Positioned at protective cover（4）Inside, the protective cover（4）Far from motor（1）One
End is fixedly connected with the first fixed plate（5）, first fixed plate（5）Upper surface open up there are two the first symmetrical screw thread
Hole（6）, first fixed plate（5）The middle part of upper surface is fixed and is inlaid with first bearing（7）, first fixed plate（5）'s
Bottom is equipped with the second fixed plate（8）, second fixed plate（8）Upper surface open up there are two the second symmetrical threaded hole
（10）, second fixed plate（8）The middle part at top is fixed and is inlaid with second bearing（9）, second threaded hole（10）It is interior
Portion is equipped with threaded rod（11）, the threaded rod（11）Close to the second threaded hole（10）One end sequentially pass through the second threaded hole（10）
With the first threaded hole（6）And extend to the first fixed plate（5）Top, the threaded rod（11）Extend to the first fixed plate（5）
The threaded one end of top is connected with the first nut（12）；
Second fixed plate（8）Bottom fix be communicated with impeller casing（13）, the rotation axis（3）Far from motor（1）One
End sequentially passes through first bearing（7）And second bearing（9）And extend to impeller casing（13）Inside, the rotation axis（2）Extend
To impeller casing（13）Internal one end is fixedly connected with impeller（14）, the impeller casing（13）Left side be fixedly connected with output
Pipe（17）, the impeller casing（13）Bottom fix be communicated with input pipe（18）, the input pipe（18）Inner bottom wall fix connect
It is connected to drain plug（19）, the input pipe（18）Far from impeller casing（13）One end fix be communicated with first flange disk（21）, institute
State first flange disk（21）Right side be equipped with air deflector ontology（22）, the air deflector ontology（22）Left side fix be communicated with
Second flange disk（23）, the air deflector ontology（22）Medial surface be fixedly connected with supporting rod（26）, the supporting rod（26）
Outer surface be socketed with deflector（27）, the baffle ontology（22）Bottom fix be communicated with pressure reducing valve（29）, described to lead
Flow device ontology（22）Upper surface fix be communicated with water inlet pipe（30）, the water inlet pipe（30）With air deflector ontology（22）Mutually hang down
Directly.
2. a kind of sucking air deflector of centrifugal pump according to claim 1, it is characterised in that：First threaded hole（6）
Diameter value and the second threaded hole（10）Diameter value it is equal, first threaded hole（6）With the second threaded hole（10）It is respectively positioned on
In same perpendicular.
3. a kind of sucking air deflector of centrifugal pump according to claim 1, it is characterised in that：The rotation axis（3）Extend
To impeller casing（13）Internal one end has been respectively fixedly connected with retaining ring（15）And mechanical seal（16）, the mechanical seal（16）
Positioned at retaining ring（15）Top, and mechanical seal（16）Upper surface and the second fixed plate（8）It is fixedly connected.
4. a kind of sucking air deflector of centrifugal pump according to claim 1, it is characterised in that：The input pipe（18）It is straight
Diameter value and efferent duct（17）Diameter value it is equal, the input pipe（18）Far from impeller casing（13）One end be fixedly connected with filtering
Net（20）.
5. a kind of sucking air deflector of centrifugal pump according to claim 1, it is characterised in that：The first flange disk（21）
Left side be equipped with bolt（24）, the bolt（24）Close to first flange disk（21）One end sequentially pass through first flange disk（21）
With second flange disk（23）And extend to second flange disk（23）Right side, the bolt（24）Extend to second flange disk（23）
The threaded one end on right side is connected with the second nut（25）.
6. a kind of sucking air deflector of centrifugal pump according to claim 1, it is characterised in that：The deflector（27）In song
Face shape, the deflector（27）Outer surface be fixedly connected with several inlet dampers（28）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450046.1A CN108457908A (en) | 2018-05-11 | 2018-05-11 | A kind of sucking air deflector of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450046.1A CN108457908A (en) | 2018-05-11 | 2018-05-11 | A kind of sucking air deflector of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108457908A true CN108457908A (en) | 2018-08-28 |
Family
ID=63214704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810450046.1A Pending CN108457908A (en) | 2018-05-11 | 2018-05-11 | A kind of sucking air deflector of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108457908A (en) |
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| CN110666678A (en) * | 2019-09-23 | 2020-01-10 | 黄建中 | Chemical mechanical planarization equipment |
| CN113074136A (en) * | 2021-05-13 | 2021-07-06 | 天津赛鸥泵业有限公司 | Double suction pump water inflow water conservancy diversion integrator |
| CN113833663A (en) * | 2021-08-30 | 2021-12-24 | 安徽凯特泵业有限公司 | Anti-blocking centrifugal pump |
| CN114396611A (en) * | 2021-12-06 | 2022-04-26 | 淄博昂洋节能环保科技有限公司 | Energy-saving and carbon-reducing process for steam-injection boiler of oil field |
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| CN110666678A (en) * | 2019-09-23 | 2020-01-10 | 黄建中 | Chemical mechanical planarization equipment |
| CN110666678B (en) * | 2019-09-23 | 2021-06-15 | 黄建中 | Chemical mechanical planarization equipment |
| CN113074136A (en) * | 2021-05-13 | 2021-07-06 | 天津赛鸥泵业有限公司 | Double suction pump water inflow water conservancy diversion integrator |
| CN113833663A (en) * | 2021-08-30 | 2021-12-24 | 安徽凯特泵业有限公司 | Anti-blocking centrifugal pump |
| CN113833663B (en) * | 2021-08-30 | 2023-11-21 | 安徽凯特泵业有限公司 | Anti-blocking centrifugal pump |
| CN114396611A (en) * | 2021-12-06 | 2022-04-26 | 淄博昂洋节能环保科技有限公司 | Energy-saving and carbon-reducing process for steam-injection boiler of oil field |
| CN114396611B (en) * | 2021-12-06 | 2024-04-09 | 淄博昂洋节能环保科技有限公司 | Energy-saving and carbon-reducing process for oilfield steam injection boiler |
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Application publication date: 20180828 |