CN101074673A - Self-circulating gas-liquid separated sucker of centrifugal pump - Google Patents
Self-circulating gas-liquid separated sucker of centrifugal pump Download PDFInfo
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- CN101074673A CN101074673A CN 200710024619 CN200710024619A CN101074673A CN 101074673 A CN101074673 A CN 101074673A CN 200710024619 CN200710024619 CN 200710024619 CN 200710024619 A CN200710024619 A CN 200710024619A CN 101074673 A CN101074673 A CN 101074673A
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- liquid
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- centrifugal pump
- self
- knockout drum
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Abstract
The characteristic of the centrifugal pump self-circulation gas-liquid separated inhaler is that there are water inlets and outlets on top of the reservoir, under a nozzle that is located in the return exit, there is a gas-liquid hybrid tube, it is joined to the gas-liquid separator by a valve circulation line then they form a jet circulating system. The gas-liquid separator, which is an inner structure, can accelerate gas-liquid separating .this invention is simple-set, convenience-service and easy-made. It can replace the underwater bottom valve and also connect with an ordinary centrifugal pump fleetly, as a result, the ordinary centrifugal pump become self-inhale. Thus, it is easy to popularize because it can satisfy many industries, like chemical transfers, farm irrigation, fire control, and so on.
Description
Technical field
The invention belongs to the match equipment of centrifugal pump, refer in particular to self-circulating gas-liquid separated sucker of centrifugal pump, be mainly used in occasions such as chemical industry transmission, fire-fighting fire extinguishing, agricultural sprinkling irrigation.
Background technique
At present, common self-priming pump volume is big, and complex structure is made difficulty, the cost height, and self-priming time is long; In the occasion of many application Ordinary Centrifugal Pumps, need to install bottom valve or build underground pump station, underwater maintenance inconvenience or maintenance cost height.99224614.8), gas-liquid separation self-sucking device (number of patent application: 200420032184.1) etc. at present existingly can mainly contain waterfall with the supporting self-sucking device of Ordinary Centrifugal Pumps and fall ejector pump self-sucking device (number of patent application:, its deficiency is, the former just apparent in view effect can occur when the flow of inletting device is big; And the latter's gas-liquid mixed mode causes mixing velocity slower.Generally speaking, present self-sucking device kind is single, the processing cost height, though theoretical preferably value and practical application effect arranged, improvement in performance still has than large space.
Summary of the invention
In order to address the above problem, the invention provides a kind of circulating gas-liquid and separate self-priming apparatus, it not only inhales the journey height, and self-priming time is short, and is simple in structure, and low cost of manufacture is good in economic efficiency, reliable performance, installation and maintenance are convenient, also can directly link to each other with Ordinary Centrifugal Pumps.After the self-priming process is finished, need the valve on the jet circulatory system is shut, guarantee the centrifugal pump proper functioning.
The present invention solves the technological scheme that its technical problem is taked: spout, liquid return hole are arranged above liquid container, establish nozzle in the liquid return hole, it under nozzle the gas-liquid mixed pipe, liquid container links to each other by the water return pipeline that has the backflow stop valve with knockout drum, forms the self-loopa fluidic system.Interior cover is arranged in the knockout drum, improved the speed of gas-liquid separation.Its working principle is: fill it up with liquid when using first in casing, open the backflow stop valve.Behind the pump operation, liquid is drawn in the knockout drum by centrifugal pump in the casing, produces certain degree of vacuum simultaneously in casing, and the interior gas of inlet ductwork this moment can enter casing under the barometric pressure effect.Liquid in the knockout drum turns back to the nozzle place through water return pipeline, through causing local depression after the nozzle ejection in the gas-liquid mixed pipe, thereby the gas in the device is mixed in the gas-liquid mixed pipe with liquid.Gas liquid mixture is evacuated to through behind the knockout drum by centrifugal pump once more, and the less gas of severe is discharged from, and liquid is through returning again with proceed to circulate in casing next time with water lines.Until the gas on pump suction pipe road is discharged, liquid is full of casing once more so repeatedly, and centrifugal pump enters normal working, and the self-priming process is finished.After the self-priming process is finished, need the backflow stop valve of circulation fluidic system is closed,, improve the working efficiency of pump to reduce return loss.
Advantage of the present invention is:
The gas-liquid mixed system of device can make the gas of centrifugal pump inlet ductwork fully mix with liquid fast, easily, makes its quick separation by knockout drum in addition, reaches the purpose of quick eliminating gas.
Description of drawings
Fig. 1 is a kind of structure principle chart of the present invention.
Among the figure: 1 spout, 2. import, 3. liquid return hole, 4. nozzle, 5. backflow stop valve, 6. knockout drum 7. gas-liquid mixed pipes, 8. liquid container 9. connects pumping hole 10. liquid ports.
Embodiment
In Fig. 1, in the top of liquid container (8) spout (1) is arranged, liquid return hole (3), establish nozzle (4) in the liquid return hole, under nozzle (4) gas-liquid mixed pipe (7), knockout drum has interior cover in (6), liquid container (8) links to each other by the water return pipeline that has backflow stop valve (5) with knockout drum (6), with the centrifugal pump suction flange with connect pumping hole (9) and be connected, outlet(discharge) flange is with after knockout drum (6) is connected, knockout drum, backflow stop valve (5), nozzle (4), gas-liquid mixed pipe (7) and liquid container (8) form the jet circulatory system, after the centrifugal pump operation, liquid is discharged from the knockout drum outlet.
Claims (2)
1. self-circulating gas-liquid separated sucker of centrifugal pump, it is characterized in that spout (1), liquid return hole (3) are arranged in the top of liquid container (8), establish nozzle (4) in the liquid return hole, under nozzle (4) gas-liquid mixed pipe (7), liquid container (8) links to each other by the water return pipeline that has backflow stop valve (5) with knockout drum (6), the centrifugal pump suction flange with connect pumping hole (9) and be connected, outlet(discharge) flange is connected with knockout drum (6), and knockout drum, backflow stop valve (5), nozzle (4), gas-liquid mixed pipe (7) and liquid container (8) form the jet circulatory system.
2. self-circulating gas-liquid separated sucker of centrifugal pump according to claim 1 is characterized in that being provided with interior cover in the knockout drum (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710024619 CN101074673A (en) | 2007-06-25 | 2007-06-25 | Self-circulating gas-liquid separated sucker of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710024619 CN101074673A (en) | 2007-06-25 | 2007-06-25 | Self-circulating gas-liquid separated sucker of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101074673A true CN101074673A (en) | 2007-11-21 |
Family
ID=38975899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710024619 Pending CN101074673A (en) | 2007-06-25 | 2007-06-25 | Self-circulating gas-liquid separated sucker of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101074673A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423166A (en) * | 2013-08-12 | 2013-12-04 | 刘希元 | Self-suction device with air exhausted in circulating mode |
-
2007
- 2007-06-25 CN CN 200710024619 patent/CN101074673A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423166A (en) * | 2013-08-12 | 2013-12-04 | 刘希元 | Self-suction device with air exhausted in circulating mode |
| CN103423166B (en) * | 2013-08-12 | 2016-04-20 | 刘希元 | Circulation air draft self-sucking device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20071121 |