CN107165802A - Common axis centrifugal blower-pump and plunger pump high pressure pump group - Google Patents

Common axis centrifugal blower-pump and plunger pump high pressure pump group Download PDF

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Publication number
CN107165802A
CN107165802A CN201710589396.1A CN201710589396A CN107165802A CN 107165802 A CN107165802 A CN 107165802A CN 201710589396 A CN201710589396 A CN 201710589396A CN 107165802 A CN107165802 A CN 107165802A
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CN
China
Prior art keywords
pump
centrifugal blower
plunger
centrifugal
plunger pump
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Granted
Application number
CN201710589396.1A
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Chinese (zh)
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CN107165802B (en
Inventor
孟力
浦燕新
杨康定
王飞彪
程振华
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Ctekcom Electromechanical Technology (Changzhou) Co. Ltd.
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Beijing Province Science And Technology Development Co Ltd
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Priority to CN201710589396.1A priority Critical patent/CN107165802B/en
Publication of CN107165802A publication Critical patent/CN107165802A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00Pumping installations or systems
    • F04B23/04Combinations of two or more pumps
    • F04B23/08Combinations of two or more pumps the pumps being of different types
    • F04B23/10Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22Arrangements for enabling ready assembly or disassembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/106Shaft 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 common axis centrifugal blower-pump and plunger pump high pressure pump group, including motor, plunger pump, shaft coupling, the centrifugal blower-pump set gradually from bottom to top;Wherein, the bottom connection of the rotary shaft of the output shaft of motor and plunger pump, the top of the rotary shaft of plunger pump is then connected by the rotary shaft of shaft coupling and centrifugal blower-pump;And the rotary shaft and the rotating shaft coaxle heart spread configuration of centrifugal blower-pump of plunger pump;Motor is used for the rotary shaft for driving plunger pump while driving the rotary shaft common rotation of centrifugal blower-pump.Common axis centrifugal blower-pump that the present invention is provided and plunger pump high pressure pump group, with equipment cost is low, equipment investment is few, good airproof performance, reliability be high, safe, the low all many technical advantages of fault rate.

Description

Common axis centrifugal blower-pump and plunger pump high pressure pump group
Technical field
The present invention relates to technical field of sewage treatment equipment, more particularly to common axis centrifugal blower-pump and plunger pump high-pressure pump Group.
Background technology
It is well known that the water treatment system such as extra large light system and zero discharge of industrial waste water needs pump to provide hyperbaric environment, it is used for Reverse osmosis membrane filtration, the water more cleaned.Above-mentioned reverse osmosis technology is generally used for the fresh water of seawater and brackish water, water it is soft Change is handled;In terms of wastewater treatment and food, medical industry, the purification of chemical industry, concentration, separation.Counter-infiltration is also known as inverse Infiltration, one kind isolates the UF membrane operation of solvent using pressure differential as motive force from solution.Thus, reverse osmosis membrane is utilized Filtering needs the pump group in water treatment system to provide high pressure support.
Wherein, above-mentioned water treatment system high pressure is provided by high-pressure plunger pump, in higher-pressure region, and centrifugal pump adds again to liquid Pressure, maintains the high performance operation of counter-infiltration system.Therefore, it can be said that plunger pump and centrifugal pump are the cores of such water treatment system One of equipment.
But it is clear that still having the objective technical disadvantages of some in existent technique:For example:Existing water Plunger pump coordinates with centrifugal blower-pump and occurred in processing system, then is driven respectively by respective motor, thus cause water process Space is larger shared by system, while can also draw the problem of equipment investment is big, energy consumption is higher, equipment cost is higher.Meanwhile, from Heart booster pump is related to high pressure shaft seal problem in high-pressure system, because centrifugal pump is chronically at high water pressure condition, it usually needs (i.e. high-pressure mechanical seal part) is sealed using high-pressure unit, this has been resulted in, and cost is high, and reliability is low, and the short technology of maintenance cycle is asked Topic.
In summary, the above-mentioned technological deficiency for how overcoming prior art is that those skilled in the art are badly in need of asking for solution Topic.
The content of the invention
It is an object of the invention to provide a kind of common axis centrifugal blower-pump and plunger pump high pressure pump group, to solve above-mentioned ask Topic.
In order to achieve the above object, the technical proposal of the invention is realized in this way:
The invention provides a kind of common axis centrifugal blower-pump and plunger pump high pressure pump group, including set gradually from bottom to top Motor, plunger pump, shaft coupling, centrifugal blower-pump;
Wherein, the output shaft of the motor is connected with the bottom of the rotary shaft of the plunger pump, the rotation of the plunger pump The top of axle is then connected by the shaft coupling with the rotary shaft of the centrifugal blower-pump;And rotary shaft and the institute of the plunger pump State the rotating shaft coaxle heart spread configuration of centrifugal blower-pump;
The motor is used for the rotary shaft for driving the plunger pump while driving the rotary shaft of the centrifugal blower-pump common Rotate.
It is preferred that, can embodiment as one kind;Centrifugal pump inlet is provided with the centrifugal blower-pump and centrifugation is pumped out Mouthful;Wherein, the centrifugal pump inlet of the centrifugal blower-pump is positioned close to the plunger pump side, the centrifugal blower-pump from Heart pump outlet is arranged far from the plunger pump side.
It is preferred that, can embodiment as one kind;The centrifugal pump inlet side axle envelope of the centrifugal blower-pump is close using gap Envelope, the outlet of centrifugal pump side of the centrifugal blower-pump uses static seal.
It is preferred that, can embodiment as one kind;The centrifugal pump inlet side axle envelope of the centrifugal blower-pump is specially labyrinth Sealing.
It is preferred that, can embodiment as one kind;Also include external connecting pipe;One end of the external connecting pipe with Connected at the centrifugal pump inlet side axle envelope of the centrifugal blower-pump, the other end of the external connecting pipe then with the plunger pump Housing in connect.
It is preferred that, can embodiment as one kind;The motor is variable-frequency motor.
It is preferred that, can embodiment as one kind;Flange is additionally provided between the centrifugal blower-pump and the plunger pump Disk component;The flange component is used to realize and detachably connected between the housing of centrifugal blower-pump and the housing of the plunger pump Connect.
It is preferred that, can embodiment as one kind;The flange component include two opposition set ring flange and Bolt assembly;One ring flange connects the housing bottom of the centrifugal blower-pump, and another ring flange connects the plunger pump Case top;And the bolt assembly is used to connect two ring flanges being oppositely arranged.
It is preferred that, can embodiment as one kind;The external connecting pipe is arranged on the outside of the shaft coupling, and position In the flange component internal layer.
It is preferred that, can embodiment as one kind;The centrifugal blower-pump is specially centrifugal multistage pump multiple centrifugal pump.
Compared with prior art, this have the advantage that:
A kind of common axis centrifugal blower-pump that the present invention is provided and plunger pump high pressure pump group, analyze above-mentioned common axis centrifugation and increase Press pump and the primary structure of plunger pump high pressure pump group are understood:Above-mentioned common axis centrifugal blower-pump is mainly wrapped with plunger pump high pressure pump group Include the motor set gradually from bottom to top, plunger pump, shaft coupling, centrifugal blower-pump;
Wherein, the output shaft of the motor is connected with the bottom of the rotary shaft of the plunger pump, the rotation of the plunger pump The top of axle is then connected by the shaft coupling with the rotary shaft of the centrifugal blower-pump;And rotary shaft and the institute of the plunger pump State the rotating shaft coaxle heart spread configuration of centrifugal blower-pump;The motor is used to drive the rotary shaft of the plunger pump to drive simultaneously The rotary shaft common rotation of the centrifugal blower-pump.
In specifically used because motor output shaft and plunger pump rotary shaft bottom connect, while the plunger pump The top of rotary shaft be then connected by the shaft coupling with the rotary shaft of the centrifugal blower-pump;Thus, shaft coupling is connected Be the rotary shaft of plunger pump and the rotary shaft of centrifugal blower-pump;Shaft coupling connection is that (i.e. plunger pump and centrifugation increases two pumps Press pump) rotary shaft;Meanwhile, the rotary shaft of the plunger pump and the rotating shaft coaxle heart spread configuration of the centrifugal blower-pump; So after motor output shaft is rotated, the rotary shaft that just can directly drive plunger pump is rotated, and then indirect by shaft coupling again Ground drives the rotary shaft of centrifugal blower-pump, so the common axis centrifugal blower-pump and plunger pump high pressure pump group, just can be realized altogether With same motor, the drawbacks of so avoiding that two individual motors are used alone in existing water treatment system, while its The space-consuming of water treatment system is also saved, equipment investment is reduced, equipment energy consumption is reduced, equipment cost is overcome higher The problem of.
It will be apparent that common axis centrifugal blower-pump and plunger pump high pressure pump group, the specific device portion of each of which that the present invention is provided Divide all with connection, layout etc. between special structure design, and concrete structure device also all to have and cleverly design;Therefore, Common axis centrifugal blower-pump provided in an embodiment of the present invention and plunger pump high pressure pump group, its design are more reasonable, and system architecture is more Plus novel, function is more perfect.
In addition, in specific technical scheme, centrifugal pump inlet and outlet of centrifugal pump are provided with centrifugal blower-pump;Its In, the centrifugal pump inlet of centrifugal blower-pump is positioned close to the plunger pump side, and the outlet of centrifugal pump of centrifugal blower-pump is set Away from the plunger pump side.The centrifugal pump inlet side axle envelope of centrifugal blower-pump uses clearance seal, centrifugal blower-pump from Heart pump outlet side uses static seal.Traditional machine instead of by above-mentioned sealing structure and seal form, it uses the same of clearance seal When can make a small amount of leaked liquid, reduce born pressure load, can only need to using clearance seal coordinate static seal knot Structure, without using mechanical sealing member, thus further reduces cost, while its reliability is also obviously improved.
To sum up, the common axis centrifugal blower-pump that provides of the present invention and plunger pump high pressure pump group, with equipment cost is low, equipment Small investment, energy-conservation (i.e. energy consumption is low), good airproof performance, reliability are high, safe, the low all many technologies of fault rate are excellent Gesture.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that common axis centrifugal blower-pump provided in an embodiment of the present invention and the overall structure of plunger pump high pressure pump group are illustrated Figure;
Fig. 2 is that common axis centrifugal blower-pump provided in an embodiment of the present invention and the primary structure of plunger pump high pressure pump group are illustrated Figure;
Fig. 3 be common axis centrifugal blower-pump provided in an embodiment of the present invention and the plunger pump high pressure pump group in Fig. 2 A-A to Cross section structure diagram;
Fig. 4 is the common axis centrifugal blower-pump provided in an embodiment of the present invention in Fig. 3 and the part of plunger pump high pressure pump group Mplifying structure schematic diagram.
Label:
1- motors;
2- plunger pumps;The rotary shaft of 21- plunger pumps;22- plunger pump intakes;23- outlet of plunger pump;
3- shaft couplings;
4- centrifugal blower-pumps;The rotary shaft of 41- centrifugal blower-pumps;42- centrifugal pump inlets;43- outlet of centrifugal pump;
5- flange components;
6- labyrinth seal structures.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Referring to Fig. 1 (concrete structure is referring to Fig. 2, Fig. 3 and Fig. 4), a kind of common axis centrifugation provided in an embodiment of the present invention Booster pump and plunger pump high pressure pump group, including motor 1 (i.e. position in Fig. 1 where M), the plunger pump set gradually from bottom to top 2nd, shaft coupling 3, centrifugal blower-pump 4;
Wherein, the output shaft of the motor 1 is connected with the bottom of the rotary shaft 21 of the plunger pump, the rotation of the plunger pump The top of rotating shaft 21 is then connected by the shaft coupling 3 with the rotary shaft 41 of the centrifugal blower-pump;And the rotation of the plunger pump Rotating shaft 21 and the concentric spread configuration of rotary shaft 41 of the centrifugal blower-pump;
The motor 1 is used for the rotary shaft 21 for driving the plunger pump while driving the rotary shaft 41 of the centrifugal blower-pump Common rotation.
At the same time, above-mentioned Fig. 3 and Fig. 4 also respectively illustrate plunger pump intake 22;Outlet of plunger pump 23;Centrifugal blower-pump 4;Centrifugal pump inlet 42;Outlet of centrifugal pump 43;The structures such as flange component 5.
It should be noted that;That is, shaft coupling connection be plunger pump rotary shaft and the rotation of centrifugal blower-pump Axle;What shaft coupling was connected is the rotary shaft of two pumps;But the actual housing of two pumps is then realized by flange component and connected.
In specifically used, because, the bottom connection of the output shaft of motor and the rotary shaft of plunger pump, while the plunger pump The top of rotary shaft be then connected by the shaft coupling with the rotary shaft of the centrifugal blower-pump;Thus, shaft coupling is connected Be the rotary shaft of plunger pump and the rotary shaft of centrifugal blower-pump;Shaft coupling connection is that (i.e. plunger pump and centrifugation increases two pumps Press pump) rotary shaft;Meanwhile, the rotary shaft of the plunger pump and the rotating shaft coaxle heart spread configuration of the centrifugal blower-pump; So after motor output shaft is rotated, the rotary shaft that just can directly drive plunger pump is rotated, and then indirect by shaft coupling again Ground drives the rotary shaft of centrifugal blower-pump, so the common axis centrifugal blower-pump and plunger pump high pressure pump group, just can be realized altogether With same motor, the drawbacks of so avoiding that two individual motors are used alone in existing water treatment system, while its The space-consuming of water treatment system is also saved, equipment investment is reduced, equipment energy consumption is reduced, equipment cost is overcome higher The problem of.
Below to the concrete structure of common axis centrifugal blower-pump provided in an embodiment of the present invention and plunger pump high pressure pump group with And particular technique effect is done and described in detail:
In the concrete technical scheme of the embodiment of the present invention;As shown in Figure 3 and 4, set on the centrifugal blower-pump 4 There are centrifugal pump inlet 42 and outlet of centrifugal pump 43;Wherein, the centrifugal pump inlet 42 (or suction inlet) on the centrifugal blower-pump 4 The outlet of centrifugal pump 43 being positioned close on the side of plunger pump 2, the centrifugal blower-pump 4 is arranged far from the plunger pump 2 sides.It should be noted that above-mentioned Position Design is more reasonable.
In the concrete technical scheme of the embodiment of the present invention;As shown in figure 4, the centrifugal pump inlet of the centrifugal blower-pump 4 42 side axles envelope uses non-contacting seal (or clearance seal) (for example:Labyrinth seal structure 6, the floating ring of use in figure are close Envelope etc.), the side of outlet of centrifugal pump 43 of the centrifugal blower-pump 4 uses static seal.
It should be noted that conventional art seals mode using machine;But the present invention uses above-mentioned non-contacting seal mode; The above-mentioned sealing means of the present invention mainly have the technique effect of two aspects;On the one hand, non-contacting seal can not prevent completely Leaked liquid, liquid can ooze out, technical scheme exactly utilize this above-mentioned technical essential, then when liquid from from When being leaked at the centrifugal pump inlet side axle envelope of heart booster pump, its liquid still has certain pressure, and it can be directly (specific logical Cross external connecting pipe) enter plunger pump, overbottom pressure can as plunger pump motive force, to help the efficiency for improving plunger pump.
On the other hand, using clearance seal, because it belongs to non-contacting seal, so reducing centrifugal blower-pump axle envelope The deterioration at place.
At the same time, as preferred technical scheme;The side axle of centrifugal pump inlet 42 envelope of the centrifugal blower-pump 4 is specific It is preferred to use labyrinth seal structure 6 to be sealed.
It should be noted that labyrinth seal is that have perhaps flexuose cell to subtract leakage between rotational parts and retaining element Small sealing.Labyrinth seal is that several belt sealing teeth being arranged in order are set around rotating shaft, and one is formed between tooth and tooth and is Row dam gap with expansion cavity, and sealed medium produces throttle effect at the gap by tortuous labyrinth and reaches Drain Resistance Purpose.Due to there is gap between the rotary shaft and casing of labyrinth seal, no solid contact needn't lubricate, so it is especially adapted to High temperature, high pressure, the occasion of high speed-frequency.
In the concrete technical scheme of the embodiment of the present invention;Common axis centrifugal blower-pump and post provided in an embodiment of the present invention Pump high pressure pump group is filled in, it also includes external connecting pipe (not shown);
Above-mentioned external connecting pipe is as follows in the specific annexation of the embodiment of the present invention;
One end of the external connecting pipe at the side axle envelope of centrifugal pump inlet 42 of the centrifugal blower-pump 4 with connecting, institute The other end for stating external connecting pipe is then connected with the housing of the plunger pump 2.Above-mentioned external connecting pipe is of the invention real The specific installation site for applying example is as follows;The external connecting pipe is arranged on the outside of the shaft coupling 3, and positioned at the flange The internal layer of disk component 5.
It should be noted that the external connecting pipe be used for will be from the centrifugal blower-pump by being let out at clearance seal In the liquid with pressure of leakage, the housing for being conducting to the plunger pump;Again because the liquid of above-mentioned leakage is actually also carried Certain pressure, so the liquid is directed to after plunger pump can also continue to press on the rotation in the housing of plunger pump using overbottom pressure Axis of rotation (i.e. the overbottom pressure can as plunger pump motive force, to help the efficiency for improving plunger pump).
It will be apparent that (i.e. external connecting pipe) is designed by special plunger pump shell, from the leakage of centrifugal blower-pump axle envelope Water can be directly entered plunger pump.During equipment operation, centrifugal blower-pump is in higher-pressure region, and plunger pump has higher-pressure region and low simultaneously Liquid in nip, centrifugal blower-pump leaks into plunger pump on a small quantity by clearance seal, overbottom pressure can as plunger pump promotion Power, to help the efficiency for improving plunger pump.
In the concrete technical scheme of the embodiment of the present invention;The motor 1 is variable-frequency motor.
It should be noted that centrifugal blower-pump is identical with the rotating speed of plunger pump, the flow of plunger pump by variable-frequency motor control, It is different from the flow of different rotating speeds lower plunger pump and the flow and lift of centrifugal blower-pump.When motor speed is relatively low, plunger Pump discharge is small, and the water treatment system pressure loss is smaller under this operating mode, and required centrifugal blower-pump lift and flow can reduce; When motor speed is higher, plunger pump discharge is big, and the water treatment system pressure loss is larger under this operating mode, required centrifugation supercharging Pump lift and flow are both needed to increase, are aided with the control devices such as throttle, bypath valve (above-mentioned throttle, bypath valve one As be installed in before centrifugal blower-pump), it is ensured that plunger pump and centrifugal pump can match work under various rotating speed.
Centrifugal blower-pump need to pass through Specialty Design, it is ensured that different rotating speeds operating mode can be matched with water treatment system, can use and turn Fast wider range, can stable operation in certain range of speeds.According to the characteristic curve of centrifugal blower-pump and water treatment system Characteristic, creates Algorithm of Active Control and strategy so that this equipment matching system characteristic.
In the concrete technical scheme of the embodiment of the present invention;As shown in Figure 3 and 4, the centrifugal blower-pump 4 with it is described Flange component 5 is additionally provided between plunger pump 2;The flange component 5 be used to realizing the housing of centrifugal blower-pump 4 with it is described It is detachably connected between the housing of plunger pump 2.
Detachably connect it should be noted that being realized between the centrifugal blower-pump and the plunger pump by flange component Connect.Thus, it after any part is damaged, can be disassembled, and with spare part replacement work, making for another part not influenceed With and performance.
In the concrete technical scheme of the embodiment of the present invention;As shown in figure 4, the flange component 5 includes two opposition The ring flange and bolt assembly of setting;One ring flange connects the housing bottom of the centrifugal blower-pump, another ring flange Connect the case top of the plunger pump;And the bolt assembly is used to connect two ring flanges being oppositely arranged.
In the concrete technical scheme of the embodiment of the present invention;The centrifugal blower-pump 4 is specially centrifugal multistage pump multiple centrifugal pump.
It should be noted that centrifugal pump is flow media (gas and liquid or suspended particulate and gas or liquid Mixture) from blade rotor root (import) enter, medium by high-speed rotation blade obtain centrifugal force, produce it is one high Pressure, the medium conveying apparatus flowed out from pressure relief opening (outlet).Centrifugal multistage pump multiple centrifugal pump is by more than two pumps with said function Gather together, on fluid channel structure, show that the medium pressure relief opening of the first order is communicated with the import of the second level, the second level Medium pressure relief opening is communicated with the import of the third level, and the mechanism so connected forms centrifugal multistage pump multiple centrifugal pump.Its is main for centrifugal multistage pump multiple centrifugal pump Effect is to improve setting pressure.
Multistage centrifugal pump lift can meet different requirements by changing pump stage number (impeller quantity), therefore applied widely. Centrifugal multistage pump multiple centrifugal pump also has wide energy-efficient, performance range, operation safety and steady, low noise, long-life, convenient to install and maintain etc. Advantage.Therefore, common axis centrifugal blower-pump provided in an embodiment of the present invention and plunger pump high pressure pump group, centrifugal blower-pump therein Preferably use centrifugal multistage pump multiple centrifugal pump.
Common axis centrifugal blower-pump provided in an embodiment of the present invention has the technology of following aspect with plunger pump high pressure pump group Advantage:
First, common axis centrifugal blower-pump and plunger pump high pressure pump group provided in an embodiment of the present invention, it is mainly by motor, post Fill in the structure divisions such as pump, shaft coupling, centrifugal blower-pump to constitute, each of which device part all has special structure design, and tool Connection, layout etc., which all have, between body structure device cleverly designs;Therefore, common axis centrifugation provided in an embodiment of the present invention increases Press pump and plunger pump high pressure pump group, its design are more reasonable, and system architecture is more novel, function is more perfect.
2nd, common axis centrifugal blower-pump and plunger pump high pressure pump group provided in an embodiment of the present invention, is exactly based on shaft coupling The plunger pump of connection and the rotary shaft of centrifugal blower-pump;The housing of two pumps is connected using flange component simultaneously.It shares same One motor, the drawbacks of so avoiding that two individual motors are used alone in existing water treatment system, while it is also saved The space-consuming of water treatment system has been saved, equipment investment is reduced, equipment energy consumption is reduced, has overcome that equipment cost is higher to ask Topic.
3rd, common axis centrifugal blower-pump and plunger pump high pressure pump group provided in an embodiment of the present invention, its centrifugal blower-pump Centrifugal pump inlet side axle envelope uses clearance seal, and the outlet of centrifugal pump side of centrifugal blower-pump uses static seal.Pass through above-mentioned sealing Structure instead of traditional machine envelope form, and it, which is used, can make a small amount of leaked liquid while clearance seal, reduce and born Pressure load, can only need to using clearance seal coordinate static seal structure, without using mechanical sealing member, thus enter One step reduces cost, while its reliability is also obviously improved.When liquid is sealed from the centrifugal pump inlet side axle of centrifugal blower-pump When place leaks, its liquid still has certain pressure, and it directly can enter plunger pump (especially by external connecting pipe), Overbottom pressure can as plunger pump motive force, to help the efficiency for improving plunger pump.And clearance seal its belong to contactless Sealing, so reducing the deterioration at centrifugal blower-pump axle envelope.
Many significant technical advantages based on more than, the common axis centrifugal blower-pump that the present invention is provided and plunger pump high-pressure pump Group will bring good market prospects and economic benefit.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (10)

1. a kind of common axis centrifugal blower-pump and plunger pump high pressure pump group, it is characterised in that including what is set gradually from bottom to top Motor, plunger pump, shaft coupling, centrifugal blower-pump;
Wherein, the output shaft of the motor is connected with the bottom of the rotary shaft of the plunger pump, the rotary shaft of the plunger pump Top is then connected by the shaft coupling with the rotary shaft of the centrifugal blower-pump;And the rotary shaft of the plunger pump with it is described from The rotating shaft coaxle heart spread configuration of heart booster pump;
The motor is used for the rotary shaft for driving the plunger pump while driving the rotary shaft common rotation of the centrifugal blower-pump.
2. common axis centrifugal blower-pump as claimed in claim 1 and plunger pump high pressure pump group, it is characterised in that
Centrifugal pump inlet and outlet of centrifugal pump are provided with the centrifugal blower-pump;
Wherein, the centrifugal pump inlet of the centrifugal blower-pump is positioned close to the plunger pump side, the centrifugal blower-pump Outlet of centrifugal pump is arranged far from the plunger pump side.
3. common axis centrifugal blower-pump as claimed in claim 2 and plunger pump high pressure pump group, it is characterised in that
The centrifugal pump inlet side axle envelope of the centrifugal blower-pump uses clearance seal, the outlet of centrifugal pump side of the centrifugal blower-pump Using static seal.
4. common axis centrifugal blower-pump as claimed in claim 3 and plunger pump high pressure pump group, it is characterised in that
The centrifugal pump inlet side axle envelope of the centrifugal blower-pump is specially labyrinth seal.
5. common axis centrifugal blower-pump as claimed in claim 1 and plunger pump high pressure pump group, it is characterised in that
The common axis centrifugal blower-pump also includes external connecting pipe with plunger pump high pressure pump group;The external connecting pipe One end with being connected at the centrifugal pump inlet side axle envelope of the centrifugal blower-pump, the other end of the external connecting pipe then with it is described Connected in the housing of plunger pump.
6. common axis centrifugal blower-pump as claimed in claim 1 and plunger pump high pressure pump group, it is characterised in that
The motor is variable-frequency motor.
7. common axis centrifugal blower-pump as claimed in claim 5 and plunger pump high pressure pump group, it is characterised in that
Flange component is additionally provided between the centrifugal blower-pump and the plunger pump;The flange component be used for realize from It is detachably connected between the housing of the housing of heart booster pump and the plunger pump.
8. common axis centrifugal blower-pump as claimed in claim 7 and plunger pump high pressure pump group, it is characterised in that
The flange component includes the ring flange and bolt assembly that two opposition are set;One ring flange connects the centrifugation The housing bottom of booster pump, another ring flange connects the case top of the plunger pump;And the bolt assembly is used to connect Two ring flanges for being oppositely arranged.
9. common axis centrifugal blower-pump as claimed in claim 7 and plunger pump high pressure pump group, it is characterised in that
The external connecting pipe is arranged on the outside of the shaft coupling, and positioned at the flange component internal layer.
10. common axis centrifugal blower-pump as claimed in claim 1 and plunger pump high pressure pump group, it is characterised in that
The centrifugal blower-pump is specially centrifugal multistage pump multiple centrifugal pump.
CN201710589396.1A 2017-07-19 2017-07-19 Common shaft centrifugal booster pump and plunger pump high-pressure pump set Active CN107165802B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024061383A1 (en) * 2022-09-19 2024-03-28 烟台杰瑞石油装备技术有限公司 Well cementing device and control method

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CN101644269A (en) * 2009-07-16 2010-02-10 浙江大学 High pressure centrifugal pump for desalinizing sea water
CN203685509U (en) * 2013-12-13 2014-07-02 四川盛堡机电科技有限责任公司 Extra high pressure axial plunger pump
CN203939646U (en) * 2014-07-21 2014-11-12 浙江沃尔液压科技有限公司 Small reverse osmosis water purification system and high pressure pumping apparatus thereof
CN105090741A (en) * 2015-09-02 2015-11-25 三一重型能源装备有限公司 Liquid nitrogen pump casting device and liquid nitrogen pump truck
KR20170061822A (en) * 2015-11-27 2017-06-07 이재본 Axial fluid pump
CN207048916U (en) * 2017-07-19 2018-02-27 赛腾机电科技(常州)有限公司 Common axis centrifugal blower-pump and plunger pump high pressure pump group

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Publication number Priority date Publication date Assignee Title
CN101644269A (en) * 2009-07-16 2010-02-10 浙江大学 High pressure centrifugal pump for desalinizing sea water
CN203685509U (en) * 2013-12-13 2014-07-02 四川盛堡机电科技有限责任公司 Extra high pressure axial plunger pump
CN203939646U (en) * 2014-07-21 2014-11-12 浙江沃尔液压科技有限公司 Small reverse osmosis water purification system and high pressure pumping apparatus thereof
CN105090741A (en) * 2015-09-02 2015-11-25 三一重型能源装备有限公司 Liquid nitrogen pump casting device and liquid nitrogen pump truck
KR20170061822A (en) * 2015-11-27 2017-06-07 이재본 Axial fluid pump
CN207048916U (en) * 2017-07-19 2018-02-27 赛腾机电科技(常州)有限公司 Common axis centrifugal blower-pump and plunger pump high pressure pump group

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024061383A1 (en) * 2022-09-19 2024-03-28 烟台杰瑞石油装备技术有限公司 Well cementing device and control method

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