CN118564499B - Self-cleaning axial flow pump - Google Patents
Self-cleaning axial flow pump Download PDFInfo
- Publication number
- CN118564499B CN118564499B CN202410694255.6A CN202410694255A CN118564499B CN 118564499 B CN118564499 B CN 118564499B CN 202410694255 A CN202410694255 A CN 202410694255A CN 118564499 B CN118564499 B CN 118564499B
- Authority
- CN
- China
- Prior art keywords
- filter base
- axial flow
- flow pump
- filter
- self
- 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.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 34
- 238000005086 pumping Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/648—Mounting; Assembling; Disassembling of axial pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明涉及潜水轴流泵技术领域，公开了一种自清洁轴流泵，包括轴流泵主体，过滤底座设置在轴流泵主体的进水端，过滤底座内转动配合有具有多个过滤孔且呈空心球状的过滤件，过滤件上固定连接有与过滤件同轴的轴杆，且轴杆伸出过滤底座并固定连接有转桨，排污流道设置在过滤底座外侧壁，排污流道连通有开设在过滤底座侧壁上并与过滤底座内腔相连通的排泄孔，排泄孔位于轴杆的下方，射流管设置在过滤底座外侧壁上并与过滤底座内腔相连通，射流管远离过滤底座的一端朝向转桨，本发明能够实现自清洁能力，使得过滤底座内部过滤件保持良好的过滤效率，提高了抽水效率和过滤底座的使用寿命。
The present invention relates to the technical field of submersible axial flow pumps, and discloses a self-cleaning axial flow pump, comprising an axial flow pump body, a filter base arranged at the water inlet end of the axial flow pump body, a filter element having a plurality of filter holes and in the shape of a hollow sphere rotatably fitted in the filter base, a shaft rod coaxial with the filter element fixedly connected to the filter element, the shaft rod extends out of the filter base and is fixedly connected to a rotating paddle, a sewage discharge channel is arranged on the outer wall of the filter base, the sewage discharge channel is connected to a discharge hole provided on the side wall of the filter base and connected to an inner cavity of the filter base, the discharge hole is located below the shaft rod, a jet tube is arranged on the outer wall of the filter base and connected to the inner cavity of the filter base, an end of the jet tube away from the filter base faces the rotating paddle, the present invention can realize self-cleaning capability, so that the filter element inside the filter base maintains good filtering efficiency, thereby improving the water pumping efficiency and the service life of the filter base.
Description
Technical Field
The invention relates to the technical field of submersible axial flow pumps, in particular to a self-cleaning axial flow pump.
Background
Axial flow pumps are the most dominant pump types for low lift pump stations. The axial flow pump has simple structure, flexible installation and various forms. Axial flow pumps are widely used in diversion and agricultural irrigation of large watercourses and ships. The flow inside an axial flow pump is typically a complex three-dimensional unsteady turbulent flow. The flow conditions determine whether the pump assembly can be safely operated. The efficient operation of the axial flow pump is beneficial to the efficient utilization of energy. The working principle of an axial flow pump is different from that of a centrifugal pump, and the axial flow pump works by means of lifting force generated by water flow when an impeller rotates. Such pumps are referred to as axial flow pumps because the water flow into the impeller and out of the vanes is axial.
The existing axial flow pump generally rotates through the motor driving impeller to suck liquid into the axial flow pump, however, when the axial flow pump conveys sewage or liquid containing impurities, the sewage entering the axial flow pump is often filtered through the filter screen, and a large amount of impurities are easily accumulated on the surface and in meshes of the filter screen in the long-time use process, so that the circulation speed of the liquid is influenced, and therefore, workers are required to stop for replacement, and the efficiency of conveying the liquid is reduced.
Disclosure of Invention
The present invention aims to provide a self-cleaning axial flow pump which aims to solve or improve at least one of the technical problems.
In order to achieve the aim, the invention provides the scheme that the self-cleaning axial flow pump comprises:
An axial flow pump body;
The filtering base is arranged at the water inlet end of the axial flow pump main body, a hollow spherical filtering piece with a plurality of filtering holes is rotationally matched with the filtering base, a shaft rod coaxial with the filtering piece is fixedly connected to the filtering piece, and the shaft rod extends out of the filtering base and is fixedly connected with a rotating paddle;
the drainage flow passage is arranged on the outer side wall of the filtering base, is communicated with a drainage hole which is formed in the side wall of the filtering base and is communicated with the inner cavity of the filtering base, and is positioned below the shaft rod;
Jet pipe is arranged on the outer side wall of the filtering base and communicated with the inner cavity of the filtering base, and one end of the jet pipe, which is far away from the filtering base, faces the rotating paddle.
Optionally, the inlet end rigid coupling of axial-flow pump main part has the inlet tube and communicates, fixedly connected with second mounting panel on the inlet tube, set up a plurality of first connecting holes that have first fixing bolt on the second mounting panel, filtration base top detachably is connected with first mounting panel, set up a plurality of first fixed screw holes on the first mounting panel, a plurality of first fixed screw holes are used for with a plurality of first fixing bolt detachably is connected.
Optionally, the filter base is including surrounding to be cylindric first casing and second casing, first casing with be fixedly connected with a plurality of one-to-one connecting plates on the second casing respectively, corresponding two be connected through a plurality of third connecting holes, third fixing bolt and third fixing screw hole detachably between the connecting plate.
Optionally, a plurality of second connecting holes with second fixing bolts are formed in the first mounting plate, a plurality of second fixing threaded holes are formed in the top ends of the first shell and the second shell respectively, and the second fixing threaded holes are used for being detachably connected with the second fixing bolts.
Optionally, a bearing hole is formed in the side wall of the filtering base, and a bearing in running fit with the shaft rod is arranged in the bearing hole.
Optionally, the bearing hole is formed by two semicircular holes, and the two semicircular holes are respectively formed at the splicing position of the first shell and the second shell.
Optionally, the inner side wall of the filtering base is provided with a groove circumferentially around the maximum diameter of the filtering piece.
Optionally, the drainage holes are multiple and circumferentially arranged on the side wall of the filtering base.
Optionally, the width of the drain hole is 5mm-8mm.
Optionally, the diameter of the filtering holes is 4mm-5mm.
The invention has the following technical effects that the filter element which is provided with a plurality of filter holes and is hollow spherical is arranged in the filter base, when the axial flow pump main body works by electric drive, impurities in water flow are separated out by the filter element when the water flow passes through the filter base, and part of the water flow impacts the rotating paddle through the jet pipe, so that slurry drives the filter element to rotate, the filter element realizes self-cleaning capability while realizing the filtering effect, and the filtered impurities can be discharged by arranging the sewage draining flow channel outside the filter base, thereby avoiding the accumulation of the impurities, ensuring that the filter element in the filter base keeps good filtering efficiency, and improving the pumping efficiency and the service life of the filter base.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of the overall mechanism of the present invention;
FIG. 2 is a schematic view of the main structure of the axial flow pump of the present invention;
FIG. 3 is a schematic view of a first mounting plate structure according to the present invention;
FIG. 4 is a schematic view of a first housing structure according to the present invention;
FIG. 5 is a schematic view of a second housing structure according to the present invention;
FIG. 6 is a schematic view of a filter according to the present invention.
In the figure, 1, an axial flow pump main body, 11, a second mounting plate, 12, a first fixing bolt, 13, a water inlet pipe, 14, a first connecting hole, 2, a filter base, 21, a first mounting plate, 211, a first fixing threaded hole, 212, a second connecting hole, 213, a second fixing bolt, 22, a first shell, 221, a jet pipe, 222, a drain hole, 223, a groove, 224, a bearing hole, 225, a second fixing threaded hole, 226, a third fixing bolt, 227, a sewage drain flow channel, 228, a third connecting hole, 229, a connecting plate, 23, a second shell, 231, a third fixing threaded hole, 24, a filter element, 241, a rotating paddle, 242, a bearing, 243 and a filter hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, the present invention provides a self-cleaning axial flow pump comprising:
An axial flow pump body 1;
The filtering base 2 is arranged at the water inlet end of the axial flow pump main body 1, a hollow spherical filtering piece 24 with a plurality of filtering holes 243 is rotationally matched with the filtering base 2, a shaft rod coaxial with the filtering piece 24 is fixedly connected to the filtering piece 24, and the shaft rod extends out of the filtering base 2 and is fixedly connected with a rotating paddle 241;
the sewage drain flow channel 227 is arranged on the outer side wall of the filter base 2, the sewage drain flow channel 227 is communicated with a drain hole 222 which is arranged on the side wall of the filter base 2 and is communicated with the inner cavity of the filter base 2, and the drain hole 222 is positioned below the shaft rod;
Jet pipe 221 is arranged on the outer side wall of filter base 2 and is communicated with the inner cavity of filter base 2, and one end of jet pipe 221 away from filter base 2 faces to rotating paddle 241.
Through setting up the filter piece 24 that has a plurality of filtration holes 243 and be hollow globular in filter base 2, when axial pump main part 1 is by electric drive during operation, impurity in the rivers is separated out by filter piece 24 when the rivers pass through filter base 2, and, a portion rivers are through jet pipe 221 impact rotating paddle 241, thereby utilize its conversion of potential energy and kinetic energy to make rotating paddle 241 drive filter piece 24 rotate, thereby make filter piece 24 realize self-cleaning ability when realizing the filter effect, and thereby through arranging blowdown runner 227 outside filter base 2 so that the debris that is filtered can be discharged, avoided the accumulation of debris, make filter piece 24 keep good filtration efficiency in filter base 2, the life of filter base 2 has been improved pumping efficiency.
Further, the jet pipe 221 may be disposed on the first housing 22 or the second housing 23 at will.
Further optimizing scheme, the water inlet end rigid coupling of axial-flow pump main part 1 has inlet tube 13 to communicate, fixedly connected with second mounting panel 11 on the inlet tube 13, has seted up a plurality of first connecting holes 14 that have first fixing bolt 12 on the second mounting panel 11, and filtering base 2 top detachably is connected with first mounting panel 21, has seted up a plurality of first fixed screw holes 211 on the first mounting panel 21, and a plurality of first fixed screw holes 211 are used for being connected with a plurality of first fixing bolt 12 detachably.
The axial flow pump body 1 and the filter base 2 are convenient to assemble and disassemble by adopting the screw assembly mode of the first fixing bolt 12 and the first fixing screw hole 211.
Further optimizing scheme, the filter base 2 includes surrounding first casing 22 and second casing 23 that are cylindric, is fixedly connected with a plurality of connecting plates 229 that correspond one by one respectively on first casing 22 and the second casing 23, is detachably connected through a plurality of third connecting holes 228, third fixing bolt 226 and third fixing screw hole 231 between two corresponding connecting plates 229.
The filter base 2 is easily assembled and disassembled by using the third fixing bolt 226 and the third fixing screw hole 231.
In a further optimized scheme, a plurality of second connecting holes 212 with second fixing bolts 213 are formed in the first mounting plate 21, a plurality of second fixing threaded holes 225 are respectively formed in the top ends of the first shell 22 and the second shell 23, and the plurality of second fixing threaded holes 225 are used for being detachably connected with the plurality of second fixing bolts 213.
The first mounting plate 21 is easily assembled and disassembled with the first housing 22 and the second housing 23 by the screw-fitting manner of the second fixing bolts 213 and the second fixing screw holes 225.
Further optimizing scheme, set up bearing hole 224 on the filter base 2 lateral wall, be provided with in the bearing hole 224 with axostylus axostyle normal running fit's bearing 242.
The bearing 242 and the bearing hole 224 are fixed by interference fit, so that the bearing 242 supports the shaft rod and the filter element 24, and a pair of shaft rods are arranged on the filter element 24, thereby improving the stability of the filter element 24.
Further optimizing scheme, the bearing hole 224 comprises two semicircle holes, and two semicircle holes are seted up respectively in the concatenation department of first casing 22 and second casing 23, are convenient for the assembly of bearing 242.
Further optimizing scheme, the filter base 2 inside wall is walked around the biggest diameter department circumference of filter 24 and is seted up recess 223.
The groove 223 is divided into two parts, and is respectively formed on the inner side walls of the first shell 22 and the second shell 23, the groove 223 can enable the filter element 24 to be prevented from being blocked in rotation due to sundries to a greater extent in the rotation process, and the width and the depth of the groove are as small as possible under the condition of preventing the filter element 24 from being blocked in the rotation process.
Further optimizing scheme, the drain hole 222 is a plurality of, and circumference sets up on filtering base 2 lateral wall, improves the trash extraction efficiency.
Further optimizing, the width of the drain hole 222 is 5mm-8mm.
Further optimizing scheme, the diameter of the filtering holes 243 is 4mm-5mm.
The invention is placed in a water pumping area to drive the axial flow pump main body 1 to work by electric power, after water enters the filter base 2 in the water pumping process of the axial flow pump main body 1, a small amount of water can impact the rotating paddle 241 through the jet pipe 221 to drive the filter 24 to rotate, most of water is separated when passing through the filter 24, and part of blocked sand and stone roll along the surface of the filter 24 and are discharged through the drain hole 222 and the drain flow channel 227, and part of blocked sand and stone and other impurities are impacted by water flow in different directions in the rotating process of the filter 24, so that the self-cleaning capacity of the filter base 2 is improved, and meanwhile, the continuous working anti-blocking capacity of the filter base 2 is improved through the arrangement of the grooves 223 on the inner wall surfaces of the first shell 22 and the second shell 23.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410694255.6A CN118564499B (en) | 2024-05-31 | 2024-05-31 | Self-cleaning axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410694255.6A CN118564499B (en) | 2024-05-31 | 2024-05-31 | Self-cleaning axial flow pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118564499A CN118564499A (en) | 2024-08-30 |
| CN118564499B true CN118564499B (en) | 2024-12-13 |
Family
ID=92479065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410694255.6A Active CN118564499B (en) | 2024-05-31 | 2024-05-31 | Self-cleaning axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118564499B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207111541U (en) * | 2017-08-25 | 2018-03-16 | 杭州金氏泵业有限公司 | It is a kind of to carry the vertical-type axial-flow pump for rotating through filter screen |
| CN210186659U (en) * | 2019-03-07 | 2020-03-27 | 上海上龙供水设备有限公司 | Straight-flow filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1566094A1 (en) * | 1988-09-16 | 1990-05-23 | А К Мамедов | Pump inlet device |
| KR101340579B1 (en) * | 2012-10-23 | 2013-12-12 | 주식회사 엠에스테크 | Apparatus for water flow induction |
| CN214304326U (en) * | 2021-01-22 | 2021-09-28 | 无锡利格蒙特钢构制品有限公司 | Filtering mechanism for input end of water pump in sewage treatment |
| CN214533556U (en) * | 2021-03-12 | 2021-10-29 | 杭州金氏泵业有限公司 | Cutting type axial-flow pump with structure for preventing sundry winding and blocking |
| CN114607650B (en) * | 2022-04-27 | 2023-05-23 | 河北骞海鼓风机有限公司 | Vortex fan |
-
2024
- 2024-05-31 CN CN202410694255.6A patent/CN118564499B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207111541U (en) * | 2017-08-25 | 2018-03-16 | 杭州金氏泵业有限公司 | It is a kind of to carry the vertical-type axial-flow pump for rotating through filter screen |
| CN210186659U (en) * | 2019-03-07 | 2020-03-27 | 上海上龙供水设备有限公司 | Straight-flow filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118564499A (en) | 2024-08-30 |
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