CN210343832U - Pitot tube pump with impeller flow channel having rectangular cross section - Google Patents
Pitot tube pump with impeller flow channel having rectangular cross section Download PDFInfo
- Publication number
- CN210343832U CN210343832U CN201920841120.2U CN201920841120U CN210343832U CN 210343832 U CN210343832 U CN 210343832U CN 201920841120 U CN201920841120 U CN 201920841120U CN 210343832 U CN210343832 U CN 210343832U
- Authority
- CN
- China
- Prior art keywords
- impeller
- pitot tube
- subassembly
- section
- rectangular cross
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an impeller runner is rectangular cross section's pitot tube pump, including changeing hub, pitot tube subassembly, impeller subassembly and machine seal seat, the inboard fixed mounting who changes the hub has the pitot tube subassembly, one side of pitot tube subassembly is changeed hub inside and is installed impeller subassembly through the fastener, change one side fixed mounting of hub and have the machine seal seat, and the machine seal seat passes through the fastener and is connected the constitution rotor part with the impeller subassembly, impeller front shroud attaches together the back with the impeller back shroud and forms the impeller subassembly runner on the circumferencial direction of clearance department. The utility model discloses rational in infrastructure, through having installed a series of structures and making this impeller runner be rectangular cross section's pitot tube pump impeller subassembly when the in-process starting drive that uses and pass through the driving machine and drive rotatoryly, fluid medium gets into impeller subassembly from the section of intaking, because the runner adopts uniform cross section or area degressive structure, can reduce the emergence of phenomenons such as swirl, indiscriminate flow and secondary flow to improve the efficiency of pitot tube pump.
Description
Technical Field
The utility model belongs to the technical field of the pitot tube pump, concretely relates to impeller runner is rectangular cross section's pitot tube pump.
Background
The pitot tube pump is a novel low-flow high-pressure pump with unique structure and working principle, belongs to a pump with extremely low specific revolution, and can be used in various fields of petrochemical industry, papermaking, boiler water supply and the like; two pitot tube pumps are introduced from the United states for the first time in China ten years ago and are used for conveying raw oil of a carbon black production line, and the pitot tube pumps are obviously superior to other types of pumps in the aspects of stable operation, service life and the like.
At present, a pitot tube pump mostly adopts an impeller with a blade configuration, and the impeller of the pitot tube pump with the blade configuration has the phenomena of vortex, turbulent flow, secondary flow and the like generated along with the change of working conditions, so that the energy loss of a medium is increased, and the energy conversion rate of the pump is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an impeller runner is rectangular cross section's pitot tube pump to solve at present that proposes in the above-mentioned background art, the pitot tube pump adopts the impeller form that has the blade configuration more, and the impeller department of the pitot tube pump of taking the blade configuration has the phenomenon such as swirl, turbulent flow and secondary flow that produce along with the change of operating mode, has increased the energy loss of medium, causes the problem that the energy conversion rate of pump reduces.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an impeller runner is rectangular cross section's pitot tube pump, includes hub, pitot tube subassembly, impeller subassembly and mechanical seal seat, the inboard fixed mounting who changes the hub has the pitot tube subassembly, the impeller subassembly is installed through the fastener to one side hub turning portion inside of pitot tube subassembly, one side fixed mounting who changes the hub has the mechanical seal seat, and the mechanical seal seat passes through the fastener and is connected with the impeller subassembly and constitutes the rotor part, impeller front shroud attaches together the back with the impeller back shroud and forms the impeller subassembly runner on the circumferencial direction of clearance department.
Preferably, the impeller assembly is formed by pre-tightening and welding an impeller front cover plate and an impeller rear cover plate.
Preferably, a plurality of curved or linear flow channels are machined in the impeller rear cover plate through a machining center.
Preferably, the curved flow channel is a rectangular flow channel, and the area of the rectangular flow channel may be of a uniform cross section or may be gradually decreased.
Preferably, a water inlet section which is vertically distributed is arranged on the pump body on one side of the machine seal seat.
Preferably, a water outlet section which is horizontally distributed is arranged on the pump body on one side of the machine seal seat.
Compared with the prior art, the utility model provides an impeller runner is rectangular cross section's pitot tube pump possesses following beneficial effect:
1. the utility model discloses when starting equipment, impeller assembly passes through the driving machine and drives rotatoryly, and fluid medium gets into impeller assembly from the section of intaking, because cross-section such as runner adoption or area degressive structure can reduce the emergence of phenomenons such as swirl, indiscriminate flow and secondary flow to improve the efficiency of pitot tube pump.
2. The utility model discloses an impeller runner adopts rectangular cross section's pitot tube pump simple structure, and operation process wholeness ability is reliable and more stable.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the impeller assembly of the present invention;
fig. 3 is a schematic view of a curved flow passage of the impeller assembly according to the present invention;
fig. 4 is a schematic view of the flow channel of the impeller assembly according to the present invention being a direct flow channel;
in the figure: 1-rotating hub; 2-a pitot tube assembly; 3-an impeller assembly; 4-front cover plate of impeller; 5-impeller rear cover plate; 6-mechanical sealing seat; 7-water inlet section; 8-water outlet section; 9-impeller assembly flow channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the lampshade body or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which can be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a pitot tube pump with an impeller flow passage with a rectangular cross section comprises a rotary hub 1, a pitot tube assembly 2, an impeller assembly 3 and a mechanical seal seat 6, wherein the pitot tube assembly 2 is fixedly arranged on the inner side of the rotary hub 1, the impeller assembly 3 is arranged in the rotary hub 1 on one side of the pitot tube assembly 2 through a fastener, the mechanical seal seat 6 is fixedly arranged on one side of the rotary hub 1, and the mechanical seal seat 6 is connected with the impeller component 3 through a fastener to form a rotor component, an impeller component flow passage 9 is formed in the circumferential direction of a clearance after the impeller front cover plate 4 and the impeller rear cover plate 5 are assembled together, when the equipment is started, the impeller component 3 is driven to rotate by the driving machine, the fluid medium enters the impeller component 3 from the water inlet section, because the impeller assembly flow passage 9 adopts a structure with an equal cross section or a gradually decreased area, the phenomena of vortex, turbulent flow, secondary flow and the like can be reduced, and the efficiency of the pitot tube pump is improved.
The utility model discloses in, preferred, impeller subassembly 3 is formed by welding behind impeller front shroud 4 and the 5 pretensions of impeller back shroud, makes the leakproofness of runner better and bearing capacity stronger more stable.
The utility model discloses in, preferred, through machining center processing several crooked or the linear runner of straight line on the impeller back shroud 5, can make the impact strength that rivers were stabilized more to the rivers flow obtain certain buffering.
The utility model discloses in, preferred, crooked runner is the rectangle runner, and rectangle runner area can be cross-section such as, also can be degressive, can reduce the emergence of phenomenons such as swirl, indiscriminate flow and secondary flow.
The utility model discloses in, preferred, be provided with the section of intaking 7 of vertical distribution on one side pump body of machine seal seat 6.
The utility model discloses in, preferred, be provided with horizontal distribution's play water section 8 on one side pump body of machine seal seat 6.
The utility model discloses a theory of operation and use flow: before the pitot tube pump with the rectangular impeller flow channel is used, the pitot tube pump with the rectangular impeller flow channel needs to be checked, whether each part of the pitot tube pump is intact is checked, and the pitot tube pump can be used after the checking is finished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an impeller runner is pitot tube pump of rectangular cross section, includes hub (1), pitot tube subassembly (2), impeller subassembly (3) and quick-witted seal seat (6), its characterized in that: the inboard fixed mounting who changes hub (1) has pitot tube subassembly (2), one side of pitot tube subassembly (2) is changeed hub (1) inside and is installed impeller subassembly (3) through the fastener, one side fixed mounting who changes hub (1) has sealing seat (6), and seals seat (6) and be connected through fastener and impeller subassembly (3) and constitute the rotor part, impeller subassembly (3) are formed by welding behind impeller front shroud (4) and impeller back shroud (5) pretension, impeller front shroud (4) and impeller back shroud (5) attach together the back and form impeller subassembly runner (9) on the circumferencial direction of clearance department.
2. The pitot tube pump of claim 1 having an impeller flow channel of rectangular cross-section, wherein: and a plurality of bent or linear flow channels are processed on the impeller rear cover plate (5) through a processing center.
3. A pitot tube pump with an impeller flow passage of rectangular cross section as claimed in claim 1 or 2, wherein: the curved flow channel is a rectangular flow channel, and the area of the rectangular flow channel can be of a uniform section.
4. The pitot tube pump of claim 1 having an impeller flow channel of rectangular cross-section, wherein: and a water inlet section (7) which is vertically distributed is arranged on the pump body on one side of the machine seal seat (6).
5. The pitot tube pump of claim 1 having an impeller flow channel of rectangular cross-section, wherein: and a water outlet section (8) which is horizontally distributed is arranged on the pump body on one side of the machine seal seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841120.2U CN210343832U (en) | 2019-06-05 | 2019-06-05 | Pitot tube pump with impeller flow channel having rectangular cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841120.2U CN210343832U (en) | 2019-06-05 | 2019-06-05 | Pitot tube pump with impeller flow channel having rectangular cross section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343832U true CN210343832U (en) | 2020-04-17 |
Family
ID=70184751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920841120.2U Active CN210343832U (en) | 2019-06-05 | 2019-06-05 | Pitot tube pump with impeller flow channel having rectangular cross section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210151476A (en) * | 2020-06-05 | 2021-12-14 | 충남대학교산학협력단 | Rotor cover and pitot pump with blade-shaped flow channel |
| CN114321001A (en) * | 2022-03-15 | 2022-04-12 | 四川川工泵业有限公司 | Impeller for rotary jet pump |
-
2019
- 2019-06-05 CN CN201920841120.2U patent/CN210343832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210151476A (en) * | 2020-06-05 | 2021-12-14 | 충남대학교산학협력단 | Rotor cover and pitot pump with blade-shaped flow channel |
| KR102397489B1 (en) * | 2020-06-05 | 2022-05-11 | 충남대학교산학협력단 | Rotor cover and pitot pump with blade-shaped flow channel |
| CN114321001A (en) * | 2022-03-15 | 2022-04-12 | 四川川工泵业有限公司 | Impeller for rotary jet pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100404874C (en) | Food pump molded by punching and welding | |
| CN210343832U (en) | Pitot tube pump with impeller flow channel having rectangular cross section | |
| CN203476740U (en) | Double-air-inflow high-speed centrifugal blower | |
| CN114941623A (en) | Roots vacuum pump | |
| CN100572819C (en) | A kind of single stage centrifugal pump | |
| CN107120314A (en) | Axle envelope formula core main pump pumping chamber | |
| CN216111465U (en) | Guide shell of multistage centrifugal pump | |
| CN205605492U (en) | Impeller | |
| CN207975012U (en) | A kind of water pump front-end bearing pedestal | |
| CN114135523B (en) | Filter mechanism arranged at front end of submersible pump | |
| CN217602947U (en) | Direct-drive high-speed centrifugal pump | |
| CN220687678U (en) | Cast guide vane structure | |
| CN217354881U (en) | Energy-saving and consumption-reducing auxiliary blade structure of centrifugal ventilator | |
| CN211343474U (en) | Efficient three-dimensional flow energy-saving impeller | |
| CN214196517U (en) | Impeller of high-performance brushless electric fuel pump | |
| CN213063975U (en) | Micro-flow low-noise horizontal multi-stage centrifugal pump | |
| CN219795670U (en) | Sealing member cooling structure for pump | |
| CN218325354U (en) | Sealing structure of small-flow centrifugal compressor | |
| CN208473980U (en) | A kind of engine water pump | |
| CN218934752U (en) | Vertical vortex pipeline pump | |
| CN215672849U (en) | High-lift two-stage slurry pump one-stage and two-stage impeller gap sealing structure | |
| CN212867932U (en) | DG type multi-stage boiler feed pump | |
| CN220828369U (en) | Water pump outlet | |
| CN219672871U (en) | High-heat-dissipation vertical stainless steel pump | |
| CN219605651U (en) | Volute of centrifugal cabinet fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |