CN1924366A - Method for manufacturing valveless siphon prevention vertical self-suction pump - Google Patents
Method for manufacturing valveless siphon prevention vertical self-suction pump Download PDFInfo
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- CN1924366A CN1924366A CN 200610041576 CN200610041576A CN1924366A CN 1924366 A CN1924366 A CN 1924366A CN 200610041576 CN200610041576 CN 200610041576 CN 200610041576 A CN200610041576 A CN 200610041576A CN 1924366 A CN1924366 A CN 1924366A
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- liquid
- gas
- pump
- chamber
- liquid separation
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Abstract
This invention relates to one stand automatic absorptive pump process method without valve and siphon, which comprises the following steps: the turbine is at pump gas and liquid isolation bottom part; the liquid tube is above gas and liquid isolation chamber top part; the liquid tube mouth is on one side of isolator chamber and designs the chamber into one inverse pear shape with hollow volume and bottom connected to turbine entrance.
Description
Technical field
The present invention is applied to a kind of simple, effective, the reliable method that all kinds of vertical self-sucking pumps improve its anti-siphon measure, especially a kind of manufacture method of valveless siphon prevention vertical self-suction pump.
Background technique
At present, all kinds of vertical self-sucking pumps flow backwards because of siphonage makes the liquid in the pump housing in order to prevent after shutdown, just adopt valve arrangement to solve problem:
1, adopts check valves such as on suction line, installing flap valve additional;
2, employing is installed check valve on the fluid pipeline;
3, employing adds automatic one control air valve on " U " shape suction line top.
More than the method for several anti-siphons all adopt the valve arrangement pattern, so there are problems such as the sealability of valve and working life, and the restricted problem of using scope under antifreeze and other the explosion-proof media environment of the valve of cold area, so all kinds of vertical self-sucking pump operational safeties of band valve are poor, the life-span is short, maintenance cost is high, and are subjected to the restriction of nature and working condition.
Summary of the invention
Technical problem to be solved by this invention: be to provide a kind of anti-siphon reliable performance, long service life, using scope wide, and can reduce the manufacture method of a kind of valveless siphon prevention vertical self-suction pump of user's later maintenance expense.
For solving the technological scheme that above technical problem adopts is such: the impeller of design pump is positioned at the foot of pump gas-liquid separation chamber, the feed liquor mouth of pipe is positioned at the topmost part of top intake chamber of gas-liquid separation chamber, the fluid mouth of pipe is positioned at top one side of gas-liquid separation chamber, and intake chamber is designed to a structure of being inverted pyriform, and the cavity volume with setting, its bottom directly communicates with impeller inlet.
Owing to adopt above technological scheme, produced beyond thought effect:
1, make traditional usefulness in case the valve arrangement of siphon is exempted, simple in structure, cost of production is low, the reliability height.
2, do not have the possibility of shutting down the back leaked liquid, operation and maintenance cost reduces greatly.
3, as long as liquid can flow in the pump, the operation of just starting shooting need not to consider in the past because of the affected relevant issues of valve.
Description of drawings
Fig. 1 is a section of structure of the present invention.
Fig. 2 is liquid level figure of the present invention.
Among the figure: 1, motor 2, coupling 3, motor cabinet 4, bearing 5, bearing support 6, mechanical seal 7, the feed liquor mouth of pipe 8, intake chamber 9, gas-liquid separation chamber 10, main shaft 11, impeller 12, stator 13, aiding support 14, basic liquid level 15, the fluid mouth of pipe 16, base
Embodiment
With reference to Fig. 1, the present invention is equipped with bearing (4), bearing support (5), mechanical seal (6), intake chamber (8), impeller (11) successively in the below of motor cabinet (3), and is run through wherein up and down by main shaft (10).In Fig. 1, the impeller (11) that designs this pump is positioned at the foot of pump gas-liquid separation chamber (9), the right side feed liquor mouth of pipe (7) is positioned at the topmost part of top intake chamber of gas-liquid separation chamber (9) (8), allows the left side fluid mouth of pipe (15) be positioned at top one side of gas-liquid separation chamber (9).Intake chamber (8) is designed to one is inverted the structure of pyriform, and have the cavity volume of setting, its bottom directly communicates with impeller inlet.
Pump is when starting for the first time, need in pump, to pour into liquid, make the interior all fulls of liquid of gas-liquid separation chamber (9) and pump intake chamber (8) of pump, during pump startup, under the effect of impeller (11), liquid in the intake chamber (8) is discharged in the gas-liquid separation chamber (9), at this moment, intake chamber has been full of air in (8), air mixes with the liquid that impeller (11) is located in the intake chamber (8), forms gas-liquid mixture, is discharged in the gas-liquid separation chamber (9) by stator (12) under the continuation effect of impeller (11), because the space of gas-liquid separation chamber (9) is bigger, gas-liquid mixture flow velocity when entering gas-liquid separation chamber (9) can reduce suddenly, like this, because the proportion of liquid is greater than the proportion of air, heavy liquid separates in gas-liquid separation chamber (9) with light gas, gas floats on the top of gas-liquid separation chamber (9), is discharged from outside the pump by the fluid mouth of pipe (15), and liquid then is sunken to the below of gas-liquid separation chamber, be back to again in the impeller (11) by stator (12), mix once more with air in the intake chamber (8).So circulation, air in the feed liquor pipeline constantly is discharged from, pressure reduces gradually, and be lower than barometric pressure, at this moment, liquid in the feed liquor pond has then entered in the feed liquor pipeline under atmospheric effect, after this part liquid enters into intake chamber (8), the self-priming process of pump also just finishes, and enter normal working, the liquid in the feed liquor pond will enter intake chamber (8) by liquid inlet pipe along right side arrow direction among Fig. 1, then under the effect of impeller (11), enter gas-liquid separation chamber (9) by stator (12), be discharged from along the direction of arrow from the left side drain pipe then.After pump is shut down; because siphonage; liquid in drain pipe and the gas-liquid separation chamber (9); through stator (12); impeller (11); the liquid inlet pipe on intake chamber (8) and intake chamber right side flows backwards to the feed liquor pond; liquid level in drain pipe drops to impeller (11) inlet; when being the neck of intake chamber (8); be in threshold state; owing to have certain cavity and full of liquid in the intake chamber (8); air just rises to the top of feed liquor chamber and enters liquid inlet pipe at the neck formation bubble of intake chamber (8); by this bubbling process; the gas that enters liquid inlet pipe is more and more; when being full of by gas in the liquid inlet pipe, siphonage also interrupts at this point, and the most of liquid in intake chamber (8) cavity is retained in the pump housing; liquid level forms as shown in Figure 2; for starting of pump stored the liquid of q.s next time, thereby realized need not again the using effect of pump priming after pump priming of this pump.
Claims (2)
1, a kind of manufacture method of valveless siphon prevention vertical self-suction pump, it is characterized in that: the impeller (11) of design pump is positioned at the foot of pump gas-liquid separation chamber (9), the feed liquor mouth of pipe (7) is positioned at the topmost part of top intake chamber of gas-liquid separation chamber (8), and the fluid mouth of pipe is positioned at top one side of gas-liquid separation chamber.
2, the manufacture method of a kind of valveless siphon prevention vertical self-suction pump according to claim 1: it is characterized in that: described intake chamber (8) is designed to one and is inverted the pyriform structure, and has the cavity volume of setting, and its bottom directly communicates with impeller inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610041576 CN1924366A (en) | 2006-09-15 | 2006-09-15 | Method for manufacturing valveless siphon prevention vertical self-suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610041576 CN1924366A (en) | 2006-09-15 | 2006-09-15 | Method for manufacturing valveless siphon prevention vertical self-suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1924366A true CN1924366A (en) | 2007-03-07 |
Family
ID=37817134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610041576 Pending CN1924366A (en) | 2006-09-15 | 2006-09-15 | Method for manufacturing valveless siphon prevention vertical self-suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1924366A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937097A (en) * | 2012-11-13 | 2013-02-20 | 镇江正汉泵业有限公司 | Anti-explosion vertical type self-sucking pump |
| CN103527494A (en) * | 2013-09-30 | 2014-01-22 | 合肥工业大学 | Self-absorption device for centrifugal pump |
-
2006
- 2006-09-15 CN CN 200610041576 patent/CN1924366A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937097A (en) * | 2012-11-13 | 2013-02-20 | 镇江正汉泵业有限公司 | Anti-explosion vertical type self-sucking pump |
| CN103527494A (en) * | 2013-09-30 | 2014-01-22 | 合肥工业大学 | Self-absorption device for centrifugal pump |
| CN103527494B (en) * | 2013-09-30 | 2015-12-23 | 合肥工业大学 | A kind of self-priming apparatus for centrifugal pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |