CN107781167A - Novel vertical seal-free self priming pump - Google Patents
Novel vertical seal-free self priming pump Download PDFInfo
- Publication number
- CN107781167A CN107781167A CN201610730650.0A CN201610730650A CN107781167A CN 107781167 A CN107781167 A CN 107781167A CN 201610730650 A CN201610730650 A CN 201610730650A CN 107781167 A CN107781167 A CN 107781167A
- Authority
- CN
- China
- Prior art keywords
- impeller
- accessory impeller
- self priming
- vertical seal
- pump
- 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.)
- Pending
Links
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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D9/02—Self-priming pumps
Abstract
Novel vertical seal-free self priming pump, it is made up of blade, impeller etc..The liquid in runner is formed one due to the turning effort of accessory impeller has certain thickness Breakup of Liquid Ring, and in pump operation, centrifugal pressure caused by Breakup of Liquid Ring will balance each other with accessory impeller surrounding medium pressure；Using 10 blade constructions, accessory impeller is fabricated to the sealing structure of two-stage accessory impeller series connection；Former single-stage sealing pair blade wheel structure is have changed, goes to optimize sealing property using two-stage sealing accessory impeller cascaded structure, reduces the operation power consumption of accessory impeller；Novel vertical seal-free self priming pump employs efficient hydraulic structure, and in reasonable selection shell and the setting height(from bottom) of pump housing outlet section, while ensureing its self-priming performance, reduces hydraulic loss of the medium from shell to outlet.
Description
Art
The present invention relates to Novel vertical seal-free self priming pump, is applied especially to the engineering fields such as petrochemical industry.
Background technology
Self priming pump refers to that prestart only need to be to being to add a certain amount of water in vivo, without water inlet pipe is full of into water, after starting
Gas in water inlet pipe can be arranged light through certain time, into a kind of water pump of normal work.Its as a kind of special centrifugal pump,
The important industrial or agricultural field such as the row of having been widely used for Ji, irrigation, petrochemical industry, metallurgy, electric power, papermaking, sewage disposal.Compare
Compared with submerged pump and major axis immersible pump, self priming pump have it is stable, have a safety feature, low cost, service life are long, are easy to tie up
Shield, the clear superiority such as vibrating noise is low, it is especially useful in the work such as frequent starting, the safe transportation of contaminated liquids and mobile difficulty
Condition.Self-priming system can be divided into gas-liquid mixed by action principle point（Including internal-mixing and exterior mixing）, water ring is wheeled and jetting type
（Including liquid jet and gas jet）Three kinds.In view of manufacturing cost, self-priming performance, service life and hydraulic efficiency, work
Relatively broad using gas-liquid mixed self priming pump in journey, wherein the exterior mixing overwhelming majority does not block up return port operationally, causes pump
Efficiency and lift is relatively low, high energy consumption；Rubber piston structure of the internal-mixing return duct generally use with spring, it is typically complete in self-priming system
Armrest carrys out the tight bolt in Chinese catalpa after into self-priming process, improves the efficiency of self priming pump to block return port, but be unfavorable for realization and automatically control.
Self-priming system can be divided into horizontal self-sucking pump, vertical self-sucking pump, sub-impeller seal self priming pump and multistage self-priming system by structure type point.
Self priming pump experienced the development of long period in China, and domestic the is developed into from Shenyang water pump at the beginning of the age in last century
One agricultural self priming pump, since half a century, the kind series and hydraulic performance of self priming pump have obtained larger abundant and lifting.
At self priming pump production development initial stage, horizontal self-sucking pump is widely used in the engineering fields such as irrigation and drainage, petrochemical industry, food, environmental protection treatment；It is sleeping
Formula self priming pump is gone back Shortcomings, hardly results in and be widely applied, and studied out in recent years in some aspects due to the limitation of structure
The vertical self-sucking pump of hair is because of the advantages that its simple, attractive in appearance reliable, working service rational in infrastructure facilitates and increasingly by the same industry
Attention.Some scholars and researcher exploitation devises some Self-priming pumps, such as guide-vane self-priming system, just tear open it is vertical from
Sucking pump etc..
The content of the invention
In order to overcome existing vertical self-sucking pump sealing property poor, and work when reliability it is poor the problem of, the present invention
Novel vertical seal-free self priming pump is provided, the type Novel vertical seal-free self priming pump has good sealing property, improves branch
Support performance；Ensure sealing pressure head, it is ensured that the envelope pressure performance of accessory impeller.
The technical solution adopted for the present invention to solve the technical problems is：Novel vertical seal-free self priming pump employs efficiently
The hydraulic structure of rate, and in the setting height(from bottom) of reasonable selection shell and pump housing outlet section, while ensureing its self-priming performance, subtract
Hydraulic loss of the medium from shell to outlet is lacked；Using teapot nozzle type outlet, ensure self-priming performance；Accessory impeller uses one
Level or multistage installation, ensure that sealing property, while reduce energy consumption；Whole is that body is installed from top to bottom by pump shaft, is protected
The wildcard interchangeability of whole pump has been demonstrate,proved, has both been easy to process, there is easy disassembly.
The pump housing is installed using cylinder, improves the stability of strutting system of pump；Pump housing outlet pipe increases flange at horizontal-extending section
Connection, the wildcard of increase self priming pump series exchange；The new-type pump housing mainly includes impeller, shell, gas-liquid separation chamber's, Peng water pipes, gone out
The critical piece such as water pipe and sealing accessory impeller；Structure inside self priming pump, its structure include motor, be axle, record body and
Inlet/outlet pipe：Motor is connected by pump shaft with vane rotor in highest point：The pump housing includes impeller, shell and accessory lobes wheel apparatus.
The present invention beneficial effect pump be：The New-type safety valve accessory impeller adds self-balancing ability, and vertical self-sucking pump is based on
This sealing principle realizes the reliable sealing of rotary shaft, can meet high temperature, impure liquid delivery requirements；The pump housing is using circle
Cylinder installation, improve the stability of strutting system of pump；Ensure sealing pressure head, it is ensured that the envelope pressure performance of accessory impeller.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is accessory impeller runner illustraton of model.
Fig. 2 is fit structure schematic diagram.
In Fig. 1,1. runners, 2. accessory impellers.
In Fig. 2,3. drainpipes, 4. spiral cases, 5. vapour-liquid partial pressure rooms.
Embodiment
Preferably, when the pump is operated, the sealed chamber of highly pressurised liquid at impeller outlet enters in secondary foreign steamer runner, together
When because the turning effort of accessory impeller makes liquid in runner form one there is certain thickness Breakup of Liquid Ring, in pump operation,
Centrifugal pressure caused by Breakup of Liquid Ring will balance each other with accessory impeller surrounding medium pressure, and the thickness change that ensure that Breakup of Liquid Ring is in pair
Carry out in impeller channel, poised state will not be destroyed, medium would not side leakage, add self-balancing ability for accessory impeller,
Vertical self-sucking pump realizes the reliable sealing of rotary shaft based on this sealing principle, can meet high temperature, the conveying of impure liquid
Demand.
Preferably, using 10 blade constructions, accessory impeller is fabricated to the sealing structure of two-stage accessory impeller series connection.
Preferably, former single-stage sealing pair blade wheel structure is have changed, goes to optimize using two-stage sealing accessory impeller cascaded structure close
Sealing property, reduce the operation power consumption of accessory impeller.
Preferably, pumping chamber is completely newly manufactured into a pot type section shell；In order to ensure the self-priming performance of self priming pump, self priming pump profit
Water conservation is shut down to self priming pump gas-liquid separation chamber interior with spout of a teapot service branch structure, instead of former self priming pump profit Photo shells outlet
With the structure of pump housing outlet pipe difference in height, the loss that fluid enters gas-liquid separation chamber from shell outlet is so substantially reduced.
Preferably, Novel vertical seal-free self priming pump employs efficient hydraulic structure, and in reasonable selection shell
With the setting height(from bottom) of pump housing outlet section, while ensureing its self-priming performance, reduce waterpower damage of the medium from shell to outlet
Lose；The pump housing is installed using cylinder, improves the stability of strutting system of pump；Pump housing outlet pipe increases flange connection at horizontal-extending section,
The wildcard for increasing self priming pump series exchanges；Using teapot nozzle type outlet, ensure self-priming performance；Accessory impeller uses one-level or more
Level installation, ensure that sealing property, while reduce energy consumption；Whole is that body is installed from top to bottom by pump shaft, ensure that whole
The wildcard interchangeability of pump, both it is easy to process, there is easy disassembly.
Preferably, the new-type pump housing mainly includes impeller, shell, gas-liquid separation chamber, Peng water pipes, outlet pipe and sealing accessory lobes
The critical pieces such as wheel；Structure inside self priming pump, its structure include motor, are axle, record body and inlet/outlet pipe：Motor is most
Eminence, it is connected by pump shaft with vane rotor：The pump housing includes impeller, shell and accessory lobes wheel apparatus；Main impeller and two-stage pair
It is on axle that impeller is sequentially arranged at from below to up；Shell is directly installed on cylinder by tapered disk；Shell outlet is directly right
Quasi- pump housing outlet pipe import, and shell exit face is kept certain gap with outlet inlet face；The pump housing uses cylinder knot
Structure, directly support whole self priming pump.
Claims (5)
1. Novel vertical seal-free self priming pump, it is made up of blade, impeller etc., it is characterized in that：Highly pressurised liquid warp at impeller outlet
Annular seal space enters in secondary foreign steamer runner；Using 10 blade constructions；Using two-stage sealing accessory impeller cascaded structure；Employ efficiently
The hydraulic structure of rate.
2. Novel vertical seal-free self priming pump according to claim 1, it is characterized in that：Because the turning effort of accessory impeller makes
Liquid in runner, which forms one, has certain thickness Breakup of Liquid Ring, and in pump operation, centrifugal pressure caused by Breakup of Liquid Ring will be with
Accessory impeller surrounding medium pressure balances each other.
3. Novel vertical seal-free self priming pump according to claim 1, it is characterized in that：Using 10 blade constructions, by pair
Impeller is fabricated to the sealing structure of two-stage accessory impeller series connection.
4. Novel vertical seal-free self priming pump according to claim 1, it is characterized in that：It has changed former single-stage sealing accessory impeller
Structure, go to optimize sealing property using two-stage sealing accessory impeller cascaded structure, reduce the operation power consumption of accessory impeller.
5. Novel vertical seal-free self priming pump according to claim 1, it is characterized in that：Novel vertical seal-free self priming pump is adopted
With efficient hydraulic structure, and in reasonable selection shell and the setting height(from bottom) of pump housing outlet section, ensure its self-priming performance
While, reduce hydraulic loss of the medium from shell to outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730650.0A CN107781167A (en) | 2016-08-26 | 2016-08-26 | Novel vertical seal-free self priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730650.0A CN107781167A (en) | 2016-08-26 | 2016-08-26 | Novel vertical seal-free self priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781167A true CN107781167A (en) | 2018-03-09 |
Family
ID=61439669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610730650.0A Pending CN107781167A (en) | 2016-08-26 | 2016-08-26 | Novel vertical seal-free self priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107781167A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573919A (en) * | 2022-10-08 | 2023-01-06 | 利欧集团浙江泵业有限公司 | Vertical self-priming pump structure with cavitation and hydraulic performance |
-
2016
- 2016-08-26 CN CN201610730650.0A patent/CN107781167A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573919A (en) * | 2022-10-08 | 2023-01-06 | 利欧集团浙江泵业有限公司 | Vertical self-priming pump structure with cavitation and hydraulic performance |
| CN115573919B (en) * | 2022-10-08 | 2024-03-15 | 利欧集团浙江泵业有限公司 | Vertical self-priming pump structure with cavitation and hydraulic performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |