CN206111570U - Double feed inlet horizontal split -case centrifugal pump - Google Patents

Double feed inlet horizontal split -case centrifugal pump Download PDF

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Publication number
CN206111570U
CN206111570U CN201620965448.1U CN201620965448U CN206111570U CN 206111570 U CN206111570 U CN 206111570U CN 201620965448 U CN201620965448 U CN 201620965448U CN 206111570 U CN206111570 U CN 206111570U
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China
Prior art keywords
pump
impeller
double
feed inlet
double suction
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Active
Application number
CN201620965448.1U
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Chinese (zh)
Inventor
吴哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN CHANGYI PUMP CO.,LTD.
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Hunan Long Pump Industry Co Ltd
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Priority to CN201620965448.1U priority Critical patent/CN206111570U/en
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Abstract

The utility model discloses a double feed inlet horizontal split -case centrifugal pump, including the pump body, pump cover, seal up through gland between the pump body and the pump cover, its characterized in that respectively has a water sucking mouth at the both ends with one side of the pump body, and the delivery port is at pump body opposite side and lie in axial central authorities, inside chopped -off head double suction impeller and the secondary impeller of being equipped with of pump, chopped -off head double suction impeller is connected to the water sucking mouth, the secondary impeller of chopped -off head double suction impeller relinking, chopped -off head impeller and secondary impeller are fixed through the sealing ring, the back -to -back setting of two chopped -off head double suction impellers. This centrifugal pump is equivalent to the parallelly connected simultaneous working together of two double entry pumps, all can increase the one time at same double entry pump impeller outer diameter lowered flow lift, exit do benefit to arranging and installing of pump and business turn over water pipe in same direction and the perpendicular to pump shaft, impeller structure symmetry does not have the axial force, operates steadily.

Description

A kind of double feed inlet horizontal split-case centrifugal pump
Technical field
This utility model is related to centrifugal pump field, more particularly to a kind of double feed inlet horizontal split-case centrifugal pump.
Background technology
Middle-opening pump is a kind of a large amount of wide workalike equipment in face, and it is widely used in oil, chemical industry, electric power smelting Gold, mine, ship, light industry, agricultural, civilian and national defence all departments are selected, occupied an important position in national economy.The master of middle-opening pump It is characterized as that the flow of pumped (conveying) medium is big, the operation principle of lift middle-opening pump operation:Impeller is arranged in pump case, and is fastened on pump On axle, pump shaft is directly driven by motor.Pump case central authorities have liquid suction to be connected with suction tube.Liquid Jing bottom valves and suction tube enter Enter in pump.Liquid outlet on pump case is connected with discharge pipe.When the timing of rotating speed one of pump, its pressure head, flow and impeller diameter It is relevant.But the lift and flow of the middle-opening pump of currently available technology still suffer from the space that can be lifted, high-lift, big flow is always The focus pursued in industry.
Utility model content
To solve above-mentioned at least one problem that existing centrifugal pump is present, main purpose of the present utility model is raising one Plant big flow, high-lift double feed inlet horizontal split-case centrifugal pump.
For achieving the above object, this utility model provides technical scheme below:
A kind of double feed inlet horizontal split-case centrifugal pump, including the pump housing, pump cover, are entered between the pump housing and pump cover by gland Row sealing, respectively has a water sucking mouth at the two ends of the same side of the pump housing, and outlet is in pump housing opposite side and positioned at axial central authorities, pump Inside is provided with first-stage double suction impeller and secondary impeller, water sucking mouth connection first-stage double suction impeller, first-stage double suction impeller reconnection time Level impeller, first stage impeller and secondary impeller are fixed by sealing ring, the back-to-back setting of two first-stage double suction impellers.
Further, double stators are provided with inside the pump cover, stator is symmetrical along vertical center axis, and stator is provided with leads Leaf set.
Further, the intracavity of the pump housing and pump cover composition is packing seal, is additionally provided with and is installed with filler water seal dress Want the packing ring for coordinating in hole.
Further, also including rotor part, the rotor part includes axle and impeller interstage sleeve, for fixing first-stage double-absorption Impeller and secondary impeller, are additionally provided with axle two ends and are equipped with pump shaft coupling, and pump shaft coupling is connected with parts of bearings, and dash is additionally provided with axle Circle, the retaining ring is located between impeller and parts of bearings.
This utility model has the advantages that:(1)Two suction inlets of pump and outlet are opened under face with being respectively positioned in pump Square pump case bottom, is horizontally located at both sides with axial line into vertical direction, and motor and pipeline need not be pulled down during maintenance, and operation is very It is convenient;(2)The water sucking mouth of pump and outlet under the vertical lower of axis, same rotating speed and flow, because reduce inlet velocity, Pump is not susceptible to cavitation, and this form is directly affected into water direction, equivalent to being combined by two horizontally-opposed impellers, together When from impeller flow out current import a spiral case in, go into higher-pressure region;(3)It is connected in parallel together equivalent to two double entry pumps When work, can all increase in same double-suction pump impeller external diameter down-off lift and be twice;(4)Import and export in the same direction and hang down Directly in pump shaft, beneficial to arrangement and the installation of pump and water inlet pipe and water outlet pipe;(5)Blade wheel structure is symmetrical, can well balance single single suction leaf The axial force produced because of lateral pressure difference before and after the back shroud at suction inlet is taken turns, without axial force, is run more steady.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art does simple introduction, it should be apparent that, drawings in the following description are these Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to these accompanying drawings.
Accompanying drawing 1 is the profile of this utility model embodiment;
Accompanying drawing 2 is the left view of this utility model embodiment;
Accompanying drawing 3 is the axonometric chart of this utility model embodiment;
Accompanying drawing 4 is the rotor part structural representation of this utility model embodiment.
In accompanying drawing 1,1 is the pump housing, and 2 is pump cover, and 3 is gland, and 4 is sealing ring, and 5 is sealing ring, and 6 is stator, and 7 is to lead Leaf, 8 is guide blade sleeve, and 9 is rotor part, and 10 is packing ring;11 is axle, and 12 is impeller interstage sleeve, and 13 is impeller interstage sleeve, and 14 is chopped-off head Double-entry impeller, 15 is first-stage double suction impeller, and 16 is secondary impeller, and 17 is packing sleeve, and 18 is parts of bearings first, and 19 is bearing portion Part second, 20 is retaining ring, and 21 is pump shaft coupling.
Specific embodiment
This utility model is further described below by specific embodiment.
A kind of double feed inlet horizontal split-case centrifugal pump, as shown in Figures 1 and 2, including the pump housing 1, pump cover 2, the pump housing with Sealed by gland 3 between pump cover, respectively had a water sucking mouth at the two ends of the same side of the pump housing, outlet is in the pump housing Opposite side and positioned at axial central authorities, is provided with first-stage double suction impeller and secondary impeller, water sucking mouth connection first-stage double-absorption leaf inside pump Wheel, first-stage double suction impeller reconnects secondary impeller, and first stage impeller and secondary impeller are fixed by sealing ring 4,5, two head The back-to-back setting of level double-entry impeller.
Wherein, double stators 6,7 are provided with inside pump cover, stator is symmetrical along vertical center axis, and stator is provided with guide blade sleeve 8。
Wherein, the intracavity of the pump housing and pump cover composition is packing seal, is additionally provided with and wants to coordinate with filler water seal dress installing hole Packing ring 10.Including pad bearing 17.
Wherein, also including rotor part 9, as shown in Figure 4, the rotor part includes axle 11 and impeller interstage sleeve 13, uses In fixed first-stage double suction impeller 14,15 and secondary impeller 16, it is additionally provided with axle two ends and is equipped with pump shaft coupling 21, pump shaft coupling is connected with Parts of bearings 18,19, is additionally provided with retaining ring 20 on axle, the retaining ring is located between impeller and parts of bearings.
Specific embodiment used herein is set forth to principle of the present utility model and embodiment, and the above is implemented The explanation of example is only intended to help and understands method of the present utility model and its core concept.The above is only of the present utility model Preferred implementation, it is noted that due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for this For the those of ordinary skill of technical field, on the premise of without departing from this utility model principle, can also make some improvement, Retouching changes, it is also possible to be by rights combined above-mentioned technical characteristic;These improve retouching, change or combine, Or it is not improved the design of utility model and technical scheme are directly applied to into other occasions, be regarded as of the present utility model Protection domain.

Claims (4)

1. a kind of double feed inlet horizontal split-case centrifugal pump, including the pump housing, pump cover, are carried out between the pump housing and pump cover by gland Sealing, it is characterised in that respectively have a water sucking mouth at the two ends of the same side of the pump housing, outlet is in pump housing opposite side and positioned at axle To central authorities, first-stage double suction impeller and secondary impeller, water sucking mouth connection first-stage double suction impeller, first-stage double suction impeller are provided with inside pump Secondary impeller is reconnected, first stage impeller and secondary impeller are fixed by sealing ring, two first-stage double suction impellers are back-to-back to be set Put.
2. double feed inlet horizontal split-case centrifugal pump according to claim 1, it is characterised in that be provided with double inside the pump cover Stator, stator is symmetrical along vertical center axis, and stator is provided with guide blade sleeve.
3. double feed inlet horizontal split-case centrifugal pump according to claim 1, it is characterised in that the pump housing and pump cover are constituted Intracavity be packing seal, be additionally provided with filler water seal fill installing hole want coordinate packing ring.
4. the double feed inlet horizontal split-case centrifugal pump according to any one of claim 1-3, it is characterised in that also including rotor Part, the rotor part includes axle and impeller interstage sleeve, for fixing first-stage double suction impeller and secondary impeller, is additionally provided with axle two ends Pump shaft coupling is equipped with, pump shaft coupling is connected with parts of bearings, retaining ring is additionally provided with axle, the retaining ring is located at impeller and bearing Between part.
CN201620965448.1U 2016-08-29 2016-08-29 Double feed inlet horizontal split -case centrifugal pump Active CN206111570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620965448.1U CN206111570U (en) 2016-08-29 2016-08-29 Double feed inlet horizontal split -case centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620965448.1U CN206111570U (en) 2016-08-29 2016-08-29 Double feed inlet horizontal split -case centrifugal pump

Publications (1)

Publication Number Publication Date
CN206111570U true CN206111570U (en) 2017-04-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620965448.1U Active CN206111570U (en) 2016-08-29 2016-08-29 Double feed inlet horizontal split -case centrifugal pump

Country Status (1)

Country Link
CN (1) CN206111570U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122032A (en) * 2016-08-29 2016-11-16 湖南长泵业有限公司 A kind of double feed inlet horizontal split-case centrifugal pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122032A (en) * 2016-08-29 2016-11-16 湖南长泵业有限公司 A kind of double feed inlet horizontal split-case centrifugal pump

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210929

Address after: 313000 Kang Shan, Dipu street, Anji County, Huzhou City, Zhejiang Province (Anji Fengmao stone factory house)

Patentee after: Zhejiang Anke Industrial Technology Co.,Ltd.

Address before: 410000 bairuopu Town Development Zone, Wangcheng District, Changsha City, Hunan Province (in Hunan Changyi Pump Industry Co., Ltd.)

Patentee before: HUNAN CHANGYI PUMP Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211124

Address after: 410000 bairuopu Town Development Zone, Wangcheng District, Changsha City, Hunan Province (in Hunan Changyi Pump Industry Co., Ltd.)

Patentee after: HUNAN CHANGYI PUMP CO.,LTD.

Address before: 313000 Kang Shan, Dipu street, Anji County, Huzhou City, Zhejiang Province (Anji Fengmao stone factory house)

Patentee before: Zhejiang Anke Industrial Technology Co.,Ltd.