CN204783849U - A new space diffuser device for vertical installation long axis pump - Google Patents
A new space diffuser device for vertical installation long axis pump Download PDFInfo
- Publication number
- CN204783849U CN204783849U CN201520482332.8U CN201520482332U CN204783849U CN 204783849 U CN204783849 U CN 204783849U CN 201520482332 U CN201520482332 U CN 201520482332U CN 204783849 U CN204783849 U CN 204783849U
- Authority
- CN
- China
- Prior art keywords
- stator
- shell
- blade
- inner casing
- guide blade
- 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.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a new space diffuser device for vertical installation long axis pump, it includes the stator inner shell that stator shell and inside center set up, be provided with space stator blade between stator shell and the stator inner shell, stator inner shell center is provided with the guide vane shaft cover, the stator shell is rotator casing, the smooth inside sunken arc surface of round that is of its conch wall that is close to mounting flange one end, the stator inner shell is the rotator casing, and its conch wall that is close to guide vane shaft cover one end smoothly inwards caves in and is the sunken arc surface of round, and it overlaps the junction with guide vane shaft and is smooth transition, mounting flange's external diameter is not more than the maximum outer diameter of stator shell, the width of the leading -in end of blade is less than the blade is derived the end. It has reduced whole external diameter, has kept original power effect, does not influence vertical long axis pump's running behaviour, and its simple structure is reliable, and low in production cost has improved the long axis pump fitting limit, has improved the efficiency of construction.
Description
Technical field
The present invention relates to pumps design technical field, be specifically related to a kind of new spatial guide blade body device for vertical installation long-shaft pump.
Background technique
Spatial guide blade is turn energy device for water pump, and its effect is that water pump vane is thrown away the liquid collection come, and the flow velocity of liquid is reduced, and is after pressure energy by liquid kinetic energy, then introduces next stage equably or discharge through diffusing tube.Vertical long shaft pump is generally arranged in Deep Underground.As shown in Figure 1, its diffuser shell 8 is cylindrical tube shape structure to the diffuser of traditional vertical installation long-shaft pump design, and one end is with adpting flange 5.In transformation project, the internal diameter placing the well head 9 of vertical long shaft pump generally pre-sets, because the adpting flange 5 that diffuser is arranged causes long-shaft pump entire outer diameter bigger than normal, cause diffuser cannot enter in well head, long-shaft pump cannot be installed into smoothly, if and again change well head size, then need the manpower and materials that cost a lot of money, improve construction cost, reduce efficiency of construction, if and diffuser entirety is reduced, then cannot meet the performance requirement of water pump.
By patent retrieval, there is following known prior art:
Patent 1:
Application number: 200910264362.0, the applying date: 2009.12.21, Shen Qing Publication day: 2010.11.10, a kind of axial flow pump guide vane body with high specific speed of this disclosure of the invention, can overcome existing axial flow pump guide vane body with high specific speed hydraulic loss and cause more greatly the deficiency that pump efficiency is lower.The angle of flare of diffuser conical pipe expands by the present invention, make its monolateral angle of flare at 6 ° ~ 10 °, due to the increase of diffuser diffusance, do not cause on the basis of the limit wall separation of flow in guarantee and reduce flow velocity, so the hydraulic loss of diffuser effectively can be reduced, improve the efficiency of pump; Simultaneously due to increasing and the outlet diameter increase of diffuser diffusion angle, make the fluid space of crossing of outlet passage below have also been obtained increase, reduce the hydraulic loss of outlet passage, pump assembly efficiency is further improved.
Patent 2:
Application number: 201320303715.5, the applying date: 2013.05.29, authorized announcement date: 2013.11.13, this model utility discloses a kind of diffuser of axial-flow pump, comprises housing, inner barrel and several guide vane.Housing comprises diameter and becomes large first portion and isodiametric second portion gradually, and the diameter of second portion is equal with the maximum diameter of first portion, and the first end of housing stretches out formation first flange, and the second end of housing stretches out formation second flange.Inner barrel is connected to housing by guide vane, and inner barrel comprises the cylinder head of columniform stack shell and frustum type, and cylinder head offers axis hole.Several guide vane is connected between the stack shell of inner barrel and the first portion of housing.The stator physical efficiency of axial-flow pump of the present utility model effectively eliminates the rotary motion of liquid, and liquid is become axial motion, and exports axial-flow pump via Discharging bent-tube.
Patent 3:
Application number: 201320525038.1, the applying date: 2013-08-27, the open day for announcing: 2014-02-12, this model utility discloses a kind of diffuser and has the vertical sea water pump of this diffuser.In order to the wall thickness problems of too of the inner core and urceolus that solve existing diffuser, described diffuser comprises inner core and urceolus; The feed-water end of described urceolus is provided with suction flange, and the feed-water end of described inner core is provided with guide bearing body; The feed-water end of described inner core is connected by connecting plate with between described guide bearing body; The wall thickness of described inner core is 12mm ~ 16mm; The wall thickness on described urceolus top is 12mm ~ 16mm.Described vertical sea water pump has above-mentioned diffuser.The utility model structure is simple, and quality is light, Maintenance and Repair are convenient, and the way is high, reliable, long service life, can be widely used in the fields such as petroleum and petrochemical industry, ocean platform, power plant, Iron And Steel Plant and drainage works.
Found by above retrieval, above technological scheme can not affect novelty of the present invention; And the mutual combination of above patent document can not destroy creativeness of the present invention.
Summary of the invention
For above problem, the invention provides a kind of new spatial guide blade body device for vertical installation long-shaft pump, it can reduce spatial guide blade external diameter, original hydraulic performance of spatial guide blade can be kept again, ensure that the smooth transition of long shaft pump impeller outlet and vane inlet, and the ride quality of vertical long shaft pump can not be affected, it is simple and reliable for structure, cost of production is low, ensure that the smooth installation of long-shaft pump, ensure that efficiency of construction.
For realizing above object, the technical solution used in the present invention is: a kind of new spatial guide blade body device for vertical installation long-shaft pump, and it comprises the stator inner casing (4) of stator shell (3) and inside center setting thereof; Spatial guide blade blade (2) is provided with between described stator shell (3) and stator inner casing (4); Described stator inner casing (4) center is provided with stator axle sleeve (6); Described spatial guide blade blade (2) comprises blade and imports end (11) and blade derivation end (12), and described stator shell (3) is rotor case, and its shell wall near mounting flange (5) one end is smooth to cave inward in a circle depression arc surface; Described stator inner casing (4) is rotor case, and its shell wall near stator axle sleeve (6) one end is smooth to cave inward in a circle depression arc surface, and itself and stator axle sleeve (6) joint are smooth transition; The external diameter of described mounting flange (5) is not more than the maximum outside diameter of stator shell (3); The width that described blade imports end (11) is less than blade derivation end (12).
Further, the shell wall cross section of described stator shell (3) is S type; The shell wall cross section of described stator inner casing (4) is S type; Described spatial guide blade blade (2) is S type.
Further, described stator shell (3), stator inner casing (4) are near importing the radian depression direction, shell wall cross section of end (1) all toward the periphery, and the crooked radian of stator shell (3) is less than the crooked radian of stator inner casing (4).
Further, described stator shell (3), stator inner casing (4) are all enclosed towards interior near the radian depression direction, shell wall cross section of deriving end (7), and the crooked radian of stator shell (3) is greater than the crooked radian of stator inner casing (4).
Further, the axle sleeve of described stator axle sleeve (6) imports end (61) with the joint of stator inner casing (4) is acute angle linkage structure.
Further, the axle sleeve of described stator axle sleeve (6) is derived and is held (62) to maintain an equal level with the joint of stator inner casing (4).
Further, described spatial guide blade blade (2) is provided with and is no less than three.
Beneficial effect of the present invention.
The present invention is while reduction space guide vane body entire outer diameter, ensure that original water conservancy diversion amount and the performance of space guide vane body, do not affect operation and the power of vertical long shaft pump, it is simple and reliable for structure, cost of production is low, improve fitting limit and the installation progress of long-shaft pump, improve engineering construction efficiency.
Accompanying drawing explanation
Fig. 1 is traditional space guide vane body structural representation.
Fig. 2 is the structural representation of the space guide vane body in the present invention.
Fig. 3 is the structural representation of spatial guide blade blade in the present invention.
Fig. 4 is the schematic diagram that the present invention is installed into well head.
Shown in figure, numerical reference is expressed as: 1, import end, 2, spatial guide blade blade, and 3, stator shell, 4, stator inner casing, 5, mounting flange, 6, stator axle sleeve, 7, derive end, 8, diffuser shell, 9, well head, 11, blade import end, 12, blade derive end, 61, axle sleeve import end, 62, axle sleeve derive end.
Embodiment
In order to make those skilled in the art understand technological scheme of the present invention better, describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
As in Figure 2-4, structural relation of the present invention is: a kind of new spatial guide blade body device for vertical installation long-shaft pump, and it comprises the stator inner casing 4 of stator shell 3 and inside center setting thereof; Spatial guide blade blade 2 is provided with between described stator shell 3 and stator inner casing 4; Described stator inner casing 4 center is provided with stator axle sleeve 6; Described spatial guide blade blade 2 comprises blade and imports end 11 and blade derivation end 12, and described stator shell 3 is rotor case, and its shell wall near mounting flange 5 one end is smooth to cave inward in a circle depression arc surface; Described stator inner casing 4 is rotor case, and its shell wall near stator axle sleeve 6 one end is smooth to cave inward in a circle depression arc surface, and itself and stator axle sleeve 6 joint are smooth transition; The external diameter of described mounting flange 5 is not more than the maximum outside diameter of stator shell 3; The width that described blade imports end 11 is less than blade derivation end 12.
Preferably, the shell wall cross section of described stator shell 3 is S type; The shell wall cross section of described stator inner casing 4 is S type; Described spatial guide blade blade 2 is S type.
Preferably, described stator shell 3, stator inner casing 4 are near importing the radian depression direction, shell wall cross section of end 1 all toward the periphery, and the crooked radian of stator shell 3 is less than the crooked radian of stator inner casing 4.
Preferably, described stator shell 3, stator inner casing 4 all enclose towards interior near the radian depression direction, shell wall cross section of deriving end 7, and the crooked radian of stator shell 3 is greater than the crooked radian of stator inner casing 4.
Preferably, the axle sleeve of described stator axle sleeve 6 imports end 61 with the joint of stator inner casing 4 is acute angle linkage structure.
Preferably, the axle sleeve derivation end 62 of described stator axle sleeve 6 maintains an equal level with the joint of stator inner casing 4.
Preferably, described spatial guide blade blade 2 is provided with and is no less than five.
Importing end 1 of the present invention is provided with water pump vane, and the collar bush of water pump vane is connected in stator axle sleeve 6, and the importing end 1 of space guide vane body is entered in liquid suction by water pump vane, and liquid flows out from derivation end 7 after spatial guide blade blade 2 rectification.Importing end width due to spatial guide blade blade 2 in the present invention is less than derives end width, and be set to the S type shape of flowing water wire, therefore although stator shell 3 is near the reduced diameter of mounting flange end, but its conversion potential energy effect does not become, and importing flow does not reduce, and does not affect the normal operation of former installation water pump.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above example just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristics can be combined by rights; These improve retouching, change or combination, or the design of invention and technological scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.
Claims (7)
1., for a new spatial guide blade body device for vertical installation long-shaft pump, it comprises the stator inner casing (4) of stator shell (3) and inside center setting thereof; Spatial guide blade blade (2) is provided with between described stator shell (3) and stator inner casing (4); Described stator inner casing (4) center is provided with stator axle sleeve (6); Described spatial guide blade blade (2) comprises blade and imports end (11) and blade derivation end (12), it is characterized in that, described stator shell (3) is rotor case, and its shell wall near mounting flange (5) one end is smooth to cave inward in a circle depression arc surface; Described stator inner casing (4) is rotor case, and its shell wall near stator axle sleeve (6) one end is smooth to cave inward in a circle depression arc surface, and itself and stator axle sleeve (6) joint are smooth transition; The external diameter of described mounting flange (5) is not more than the maximum outside diameter of stator shell (3); The width that described blade imports end (11) is less than blade derivation end (12).
2. a kind of new spatial guide blade body device for vertical installation long-shaft pump according to claim 1, it is characterized in that, the shell wall cross section of described stator shell (3) is S type; The shell wall cross section of described stator inner casing (4) is S type; Described spatial guide blade blade (2) is S type.
3. a kind of new spatial guide blade body device for vertical installation long-shaft pump according to claim 2, it is characterized in that, described stator shell (3), stator inner casing (4) are near importing the radian depression direction, shell wall cross section of end (1) all toward the periphery, and the crooked radian of stator shell (3) is less than the crooked radian of stator inner casing (4).
4. a kind of new spatial guide blade body device for vertical installation long-shaft pump according to claim 2, it is characterized in that, described stator shell (3), stator inner casing (4) are all enclosed towards interior near the radian depression direction, shell wall cross section of deriving end (7), and the crooked radian of stator shell (3) is greater than the crooked radian of stator inner casing (4).
5. a kind of new spatial guide blade body device for vertical installation long-shaft pump according to claim 1, is characterized in that, it is acute angle linkage structure that the axle sleeve of described stator axle sleeve (6) imports end (61) with the joint of stator inner casing (4).
6. a kind of new spatial guide blade body device for vertical installation long-shaft pump according to claim 1, is characterized in that, the axle sleeve of described stator axle sleeve (6) is derived end (62) and maintained an equal level with the joint of stator inner casing (4).
7. a kind of new spatial guide blade body device for vertical installation long-shaft pump according to claim 1, it is characterized in that, described spatial guide blade blade (2) is provided with and is no less than five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520482332.8U CN204783849U (en) | 2015-07-07 | 2015-07-07 | A new space diffuser device for vertical installation long axis pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520482332.8U CN204783849U (en) | 2015-07-07 | 2015-07-07 | A new space diffuser device for vertical installation long axis pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204783849U true CN204783849U (en) | 2015-11-18 |
Family
ID=54523905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520482332.8U Expired - Fee Related CN204783849U (en) | 2015-07-07 | 2015-07-07 | A new space diffuser device for vertical installation long axis pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204783849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963897A (en) * | 2015-07-07 | 2015-10-07 | 湖南南方长河泵业有限公司 | New space guide blade device used for vertical installation of long-shaft pump |
-
2015
- 2015-07-07 CN CN201520482332.8U patent/CN204783849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963897A (en) * | 2015-07-07 | 2015-10-07 | 湖南南方长河泵业有限公司 | New space guide blade device used for vertical installation of long-shaft pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105673553A (en) | Diagonal flow pump | |
| CN213175916U (en) | Hollow shaft pipeline type hydroelectric generation device | |
| CN204783849U (en) | A new space diffuser device for vertical installation long axis pump | |
| CN102182706B (en) | S-shaped downwards horizontal axis-extending tubular pump device | |
| CN206233172U (en) | A kind of two-way pump station structural shape of integral hoisting | |
| CN205714923U (en) | A kind of diagonal pumps | |
| CN104564694B (en) | Compact axial flow pump | |
| CN203146425U (en) | Water pump with fluid director | |
| CN205349865U (en) | Novel blower inlet casing structure | |
| CN103438025A (en) | Pump with double-layer sleeve-type inlet and outlet flow channels | |
| CN204942089U (en) | A kind of through-flow pump diffusion diffuser | |
| CN101660478B (en) | Multi-nozzle high-efficiency large capacity inclined jet turbine | |
| CN103603763A (en) | Bulb tubular turbine for micro-head power generation of water plant | |
| CN104963897A (en) | New space guide blade device used for vertical installation of long-shaft pump | |
| CN103953491B (en) | A kind of hydrodynamic(al) cooling tower directly drives radial water turbine | |
| CN105863930A (en) | Small-size integrated water turbine generator set | |
| CN208073856U (en) | A kind of vertical long impeller of pump fixed structure | |
| CN106979115B (en) | Reaction type hydraulic turbine and main shaft sealing system thereof | |
| CN201531351U (en) | Multi-nozzle high-efficiency and high-capacity inclined jet water turbine | |
| CN206495741U (en) | A kind of packaged axial flow formula water-turbine unit structure | |
| CN219774372U (en) | Full through-flow submersible pump with bent water inlet guide body | |
| CN107514366B (en) | Sealing system for low-lift high-temperature pump | |
| CN205383033U (en) | Cylindrical valve axial flow turbine | |
| CN218624484U (en) | Novel pipeline through-flow turbine device | |
| CN203412813U (en) | Pump with double-layer sleeve type inlet and outlet channels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180707 |