CN113915135A - Impeller pump capable of being started quickly - Google Patents
Impeller pump capable of being started quickly Download PDFInfo
- Publication number
- CN113915135A CN113915135A CN202111314503.2A CN202111314503A CN113915135A CN 113915135 A CN113915135 A CN 113915135A CN 202111314503 A CN202111314503 A CN 202111314503A CN 113915135 A CN113915135 A CN 113915135A
- Authority
- CN
- China
- Prior art keywords
- impeller
- liquid
- pump
- inlet buffer
- pump body
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Images
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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/007—Preventing loss of prime, siphon breakers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- 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
Abstract
A rapidly actuatable impeller pump comprising: a pump body and a liquid inlet buffer tank; the liquid inlet buffer box is arranged at a water inlet of the pump body, a flow guide pipe is arranged in the liquid inlet buffer box, the lower end of the flow guide pipe penetrates out of the liquid inlet buffer box and is connected with a water inlet pipe, a limiting spring is arranged in the liquid inlet buffer box, a liquid blocking plug is fixed at the lower end of the limiting spring, and the liquid blocking plug is positioned at the upper end of the flow guide pipe; after the pump body starts, feed liquor surge-box internal pressure reduces for the separation of liquid blocking plug and the honeycomb duct upper end mouth on honeycomb duct upper portion, because pressure effect makes liquid enter into the feed liquor surge-box by the inlet tube, the honeycomb duct in, when the pump body was shut down, liquid blocking plug can the quick closure on the honeycomb duct under spacing spring's effect, effectively prevent the inside liquid backward flow of the pump body, can ensure impeller pump quick start when starting impeller pump next time, and need not external check valve, save conveying system's installation cost.
Description
Technical Field
The invention relates to the technical field of impeller pumps, in particular to a quick-start impeller pump.
Background
The impeller pump drives liquid to rotate at high speed by a working impeller, and mechanical energy is transferred to the liquid, so that the aim of conveying the liquid is fulfilled. When the existing impeller pump is stopped after being used, liquid in a pump cavity of the impeller pump can flow back due to the self-siphoning effect of the liquid, and when the impeller pump is started again, the liquid needs to be injected into the impeller pump so as to ensure that the impeller pump can be started normally. In the prior art, a check valve is additionally arranged at a water inlet of the impeller pump to prevent liquid in a pump cavity from flowing back after the impeller pump is stopped, so that the installation cost of a conveying system is increased.
Disclosure of Invention
The invention aims to solve the problem that the installation cost of a liner conveying system is increased by additionally arranging a check valve at a water inlet of an impeller pump, and aims to provide a quick-starting impeller pump.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a rapidly actuatable impeller pump comprising:
a pump body and a liquid inlet buffer tank;
the liquid inlet buffer box is arranged at a water inlet of the pump body, a flow guide pipe is arranged in the liquid inlet buffer box, the lower end of the flow guide pipe penetrates out of the liquid inlet buffer box and is connected with a water inlet pipe, a limiting spring is arranged in the liquid inlet buffer box, a liquid blocking plug is fixed at the lower end of the limiting spring, and the liquid blocking plug is positioned at the upper end of the flow guide pipe;
the utility model discloses a filter screen, including feed liquor surge tank, pump shaft, draft tube, guide tube, first impeller and second impeller, be connected with the draft tube between feed liquor surge tank and the pump body, install the pump shaft on the pump body, the pump shaft end inserts to the draft tube in, install first impeller and second impeller on the pump shaft, first impeller is located the draft tube, and the second impeller is located inside the pump body, the draft tube upper end is located second impeller upper portion, first impeller outer ring side is fixed with initiative ring gear, the inside isolating cylinder that is equipped with of feed liquor surge tank, the isolating cylinder upper end is fixed on the feed liquor surge tank inside wall, feed liquor surge tank lower part is rotated and is installed the support sleeve, fixed mounting has the separator plate rail on the support sleeve, separator plate rail upper portion is fixed with filter screen, filter screen upper end outer ring gear side is fixed with driven ring gear, driven ring gear meshing initiative ring gear, the filter screen setting is hugged closely to the isolating cylinder lower extreme.
Furthermore, a gap is reserved between the isolation cylinder and the side wall of the liquid inlet buffer tank, and the driven gear ring is located in the gap.
Furthermore, a drain outlet is formed in the bottom of the liquid inlet buffer tank.
Further, the filter screen middle part is the annular array and is provided with the inlet, the inlet all is located inside the isolation cylinder, drainage plate is installed to inlet department, the contained angle is 45 degrees between drainage plate and the filter screen.
Further, feed liquor surge-tank upper portion is equipped with the water filling port, the water filling valve is installed to the water filling port.
Furthermore, the liquid inlet buffer tank is internally fixed with a brush plate, and the brush plate is tightly attached to the lower end face of the filter screen.
The invention has the beneficial effects that:
the liquid inlet buffer box is arranged at the water inlet of the pump body, after the pump body is started, the internal pressure of the liquid inlet buffer box is reduced, the liquid blocking plug at the upper part of the flow guide pipe is separated from the upper end opening of the flow guide pipe, liquid enters the liquid inlet buffer box from the water inlet pipe and the flow guide pipe due to the pressure, when the pump body is stopped, the liquid blocking plug can be quickly closed on the flow guide pipe under the action of the limiting spring, liquid backflow inside the pump body is effectively prevented, the impeller pump can be quickly started when the impeller pump is started next time, an external check valve is not needed, the installation cost of a conveying system is saved, the liquid entering the liquid inlet buffer box penetrates through the filtering screen and enters the pump body, the liquid entering the pump body can be filtered, and the impeller is prevented from being damaged due to blockage of sundries in the liquid.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a structural diagram of a liquid inlet buffer tank of the invention;
FIG. 3 is a top view of a filter screen according to the present invention;
in the figure: 1. a pump body; 2. a liquid inlet buffer tank; 12. a flow guide pipe; 13. a water inlet pipe; 14. a limiting spring; 15. liquid blocking; 21. a draft tube; 22. a pump shaft; 23. a first impeller; 24. a second impeller; 25. a driving gear ring; 26. an isolation cylinder; 27. a support sleeve; 28. separating the tray frame; 29. filtering the screen; 30. a driven gear ring; 41. a sewage draining outlet; 42. a liquid inlet; 43. a drainage plate; 44. a water injection port; 45. a water injection valve; 46. a brush plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Example 1
As shown in fig. 1-2, a rapidly actuatable impeller pump comprises:
the pump body 1 and the liquid inlet buffer tank 2;
the liquid inlet buffer box 2 is arranged at a water inlet of the pump body 1, a flow guide pipe 12 is arranged in the liquid inlet buffer box 2, the lower end of the flow guide pipe 12 penetrates out of the liquid inlet buffer box 2 to be connected with a water inlet pipe 13, a limiting spring 14 is arranged in the liquid inlet buffer box 2, a liquid blocking plug 15 is fixed at the lower end of the limiting spring 14, and the liquid blocking plug 15 is positioned at the upper end of the flow guide pipe 12;
a guide shell 21 is connected between the liquid inlet buffer tank 2 and the pump body 1, a pump shaft 22 is installed on the pump body 1, the end of the pump shaft 22 is inserted into the guide shell 21, the pump shaft 22 is provided with a first impeller 23 and a second impeller 24, the first impeller 23 is positioned in the guide shell 21, second impeller 24 is located the pump body 1 inside, honeycomb duct 12 upper end is located 24 upper portions of second impeller, 23 outer ring sides of first impeller are fixed with initiative ring gear 25, 2 inside isolation cylinder 26 that are equipped with of feed liquor baffle-box, the upper end of isolation cylinder 26 is fixed on 2 inside walls of feed liquor baffle-box, 2 lower parts of feed liquor baffle-box are rotated and are installed supporting sleeve 27, fixed mounting has separation plate rail 28 on the supporting sleeve 27, separation plate rail 28 upper portion is fixed with filter screen 29, 29 upper ends of filter screen outer ring sides are fixed with driven ring gear 30, driven ring gear 30 meshes initiative ring gear 25, filter screen 29 sets up is hugged closely to isolation cylinder 26 lower extreme.
A rapidly-started impeller pump works according to the following working principle:
through set up feed liquor baffle box 2 in the water inlet department at the pump body 1, pump body 1 starts the back, 2 internal pressure of feed liquor baffle box reduce, make the separation of liquid blocking plug 15 and the honeycomb duct 12 upper end mouth on honeycomb duct 12 upper portion, because pressure effect makes liquid by inlet tube 13, honeycomb duct 12 enters into to feed liquor baffle box 2, when the pump body 1 stops, liquid blocking plug 15 can the quick closure on honeycomb duct 12 under spacing spring 14's effect, effectively prevent the inside liquid reflux of pump body 1, can ensure impeller pump quick start when starting impeller pump next time, and need not external check valve, save conveying system's installation cost, the liquid that gets into to feed liquor baffle box 2 passes filter screen 29 and gets into to pump body 1 inside can filter the liquid that gets into in the pump body 1, prevent debris in the liquid from blockking up the impeller damage.
Example 2
On the basis of embodiment 1, as shown in fig. 1 to 3, a gap is left between the isolation cylinder 26 and the side wall of the liquid inlet buffer tank 2, and the driven toothed ring 30 is located in the gap.
The bottom of the liquid inlet buffer tank 2 is provided with a sewage outlet 41.
The middle part of the filter screen 29 is provided with liquid inlets 42 in an annular array, the liquid inlets 42 are all positioned in the isolation cylinder 26, the liquid inlets 42 are provided with drainage plates 43, and the included angle between the drainage plates 43 and the filter screen 29 is 45 degrees. When filter screen 29 rotated, drive drainage plate 43 and rotate, drainage plate 43 can promote the inside liquid of feed liquor buffer tank 2 and remove to pump chamber inside, increased the suction of pump, and impurity in the liquid can be flowed to filter screen 29 lower part by inlet 42 again, when needs wash, can discharge through drain 41 promptly, is convenient for collect the clearance.
The upper part of the liquid inlet buffer tank 2 is provided with a water filling port 44, and the water filling port 44 is provided with a water filling valve 45.
A brush plate 46 is fixed inside the liquid inlet buffer tank 2, and the brush plate 46 is closely attached to the lower end surface of the filter screen 29. When the filter screen 29 rotates, the brush plate 46 scrapes the lower end surface of the filter screen 29 to prevent the filter screen 29 from being clogged.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A rapidly actuatable impeller pump, comprising:
a pump body and a liquid inlet buffer tank;
the liquid inlet buffer box is arranged at a water inlet of the pump body, a flow guide pipe is arranged in the liquid inlet buffer box, the lower end of the flow guide pipe penetrates out of the liquid inlet buffer box and is connected with a water inlet pipe, a limiting spring is arranged in the liquid inlet buffer box, a liquid blocking plug is fixed at the lower end of the limiting spring, and the liquid blocking plug is positioned at the upper end of the flow guide pipe;
the utility model discloses a filter screen, including feed liquor surge tank, pump shaft, draft tube, guide tube, first impeller and second impeller, be connected with the draft tube between feed liquor surge tank and the pump body, install the pump shaft on the pump body, the pump shaft end inserts to the draft tube in, install first impeller and second impeller on the pump shaft, first impeller is located the draft tube, and the second impeller is located inside the pump body, the draft tube upper end is located second impeller upper portion, first impeller outer ring side is fixed with initiative ring gear, the inside isolating cylinder that is equipped with of feed liquor surge tank, the isolating cylinder upper end is fixed on the feed liquor surge tank inside wall, feed liquor surge tank lower part is rotated and is installed the support sleeve, fixed mounting has the separator plate rail on the support sleeve, separator plate rail upper portion is fixed with filter screen, filter screen upper end outer ring gear side is fixed with driven ring gear, driven ring gear meshing initiative ring gear, the filter screen setting is hugged closely to the isolating cylinder lower extreme.
2. A rapidly actuatable vane pump as recited in claim 1, wherein said spacer cylinder is spaced from said inlet buffer chamber sidewall and said driven ring gear is disposed in said gap.
3. A rapidly starting vane pump as claimed in claim 1 wherein the inlet buffer tank is provided with a drain outlet at the bottom.
4. The impeller pump of claim 1, wherein the filtering screen is provided with liquid inlets in an annular array at the middle part, the liquid inlets are all located inside the isolating cylinder, a flow guide plate is installed at the liquid inlet, and the included angle between the flow guide plate and the filtering screen is 45 degrees.
5. The rapidly starting vane pump of claim 1 wherein said inlet buffer tank is provided at an upper portion thereof with a fill port, said fill port being fitted with a fill valve.
6. The impeller pump of claim 1, wherein a brush plate is fixed inside the inlet buffer tank, and the brush plate is closely attached to the lower end face of the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314503.2A CN113915135B (en) | 2021-11-08 | 2021-11-08 | Impeller pump capable of being started quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314503.2A CN113915135B (en) | 2021-11-08 | 2021-11-08 | Impeller pump capable of being started quickly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113915135A true CN113915135A (en) | 2022-01-11 |
| CN113915135B CN113915135B (en) | 2024-03-26 |
Family
ID=79245793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111314503.2A Active CN113915135B (en) | 2021-11-08 | 2021-11-08 | Impeller pump capable of being started quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113915135B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB520773A (en) * | 1938-03-07 | 1940-05-02 | Herbert Edmund Rupp | Centrifugal self-priming pump |
| GB918798A (en) * | 1960-10-13 | 1963-02-20 | Josef Eisele | Improvements in or relating to self-priming centrifugal pumps |
| CN2090442U (en) * | 1990-12-07 | 1991-12-11 | 温岭县部渎前溪机械厂 | Automatic water pump |
| EP2420677A1 (en) * | 2010-08-18 | 2012-02-22 | Grundfos Management A/S | Multi-layer circulation pump |
| CN107806418A (en) * | 2016-09-08 | 2018-03-16 | 沈阳鼓风机集团申蓝机械有限公司 | Marine vertical internal-mixing self priming pump |
| CN208311059U (en) * | 2018-06-08 | 2019-01-01 | 安徽阿莫斯泵业有限公司 | Vacuum aided self priming pump |
| CN214145918U (en) * | 2020-12-01 | 2021-09-07 | 广州全一泵业有限公司 | Water diversion device of centrifugal pump |
-
2021
- 2021-11-08 CN CN202111314503.2A patent/CN113915135B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB520773A (en) * | 1938-03-07 | 1940-05-02 | Herbert Edmund Rupp | Centrifugal self-priming pump |
| GB918798A (en) * | 1960-10-13 | 1963-02-20 | Josef Eisele | Improvements in or relating to self-priming centrifugal pumps |
| CN2090442U (en) * | 1990-12-07 | 1991-12-11 | 温岭县部渎前溪机械厂 | Automatic water pump |
| EP2420677A1 (en) * | 2010-08-18 | 2012-02-22 | Grundfos Management A/S | Multi-layer circulation pump |
| CN107806418A (en) * | 2016-09-08 | 2018-03-16 | 沈阳鼓风机集团申蓝机械有限公司 | Marine vertical internal-mixing self priming pump |
| CN208311059U (en) * | 2018-06-08 | 2019-01-01 | 安徽阿莫斯泵业有限公司 | Vacuum aided self priming pump |
| CN214145918U (en) * | 2020-12-01 | 2021-09-07 | 广州全一泵业有限公司 | Water diversion device of centrifugal pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113915135B (en) | 2024-03-26 |
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| SE01 | Entry into force of request for substantive examination | ||
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