CN2585991Y - Self-priming device of centrifugal pump - Google Patents
Self-priming device of centrifugal pump Download PDFInfo
- Publication number
- CN2585991Y CN2585991Y CN 02292420 CN02292420U CN2585991Y CN 2585991 Y CN2585991 Y CN 2585991Y CN 02292420 CN02292420 CN 02292420 CN 02292420 U CN02292420 U CN 02292420U CN 2585991 Y CN2585991 Y CN 2585991Y
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- China
- Prior art keywords
- centrifugal pump
- pipe
- negative
- pressure cup
- liquid
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic sucking device of a centrifugal pump, which is composed of a sealing negative pressure tank, an inlet sucking pipe and a water outlet pipe. The pipe opening of one end of the water outlet pipe is communicated with the water inlet of the centrifugal pump on the other end of the bottom part of the negative pressure tank. The pipe opening on one end of the inlet sucking pipe is communicated with liquid to be extracted on the other end of the top part of the negative pressure tank. The centrifugal pump can work by being started only the negative pressure tank stores a proper amount of liquid by adopting the device. After the centrifugal pump is stopped, the liquid in the negative pressure tank can not flow out. Pump filling program used for each time is not required and the use is convenient. The device is particularly suitable for a liquid sucking system of automatic control and can be started and stopped for work at any time.
Description
Technical field
The utility model relates to the device that a kind of centrifugal pump uses, especially a kind of centrifugal pump self-priming apparatus.
Background technique
The centrifugal pump of prior art has simple in structure, compact, can be used for extracting the liquid medium that contains abrasive particle, and few easy workout part is convenient to guarantee, and low price is so be widely used.But centrifugal pump has a fatal shortcoming, is exactly can not self-priming.Limitting each use because of its principle all needs pump priming, makes centrifugal pump body will fill liquid exactly between the medium liquid level of extraction, like this could proper functioning.So, use the centrifugal pump inconvenience, particularly be not suitable for automatic control operation.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art, and a kind of centrifugal pump self-priming apparatus is provided, and pump priming operation that need not be each just can be extracted liquid medium.
The purpose of this utility model is achieved in that a kind of centrifugal pump self-priming apparatus; by airtight negative-pressure cup; suction pipe and outlet pipe are formed; the outlet pipe one end mouth of pipe is communicated with the centrifugal pump import at the bottom of the negative-pressure cup the other end; the suction pipe one end mouth of pipe is at the top of the negative-pressure cup the other end and the fluid connection that will extract; the volume of negative-pressure cup is greater than the suction pipe volume; the volume of general negative-pressure cup is 1.5 to 3 times of suction pipe volume; can avoid centrifugal pump that the liquid of negative-pressure cup is drained suction pipe does not so also draw up liquid and can not finish self-absorption function; the centrifugal pump effluent pipe mouth will be higher than and sucks the mouth of pipe or by the dress valve; like this can be when shutting down, the liquid of negative-pressure cup does not flow out from the centrifugal pump effluent pipe mouth.
As further improvement of the utility model, in the bottom of negative-pressure cup a blowdown valve is installed, negative-pressure cup can accumulate some precipitation dirts through work for a long time, can remove a jar interior dirt by blowdown valve.
Be further improved again as the utility model, between the centrifugal pump import, filter be installed at effluent pipe mouth.This filter can the bigger foreign material of filtering, and particularly the some fibre foreign material twine centrifugal pump impeller easily, filter is installed can be guaranteed the equipment proper functioning, and can increase the service life.
Advantage of the present utility model is: the utility model centrifugal pump self-priming apparatus, mainly form by negative-pressure cup, suction pipe and an outlet pipe, and simple in structure, with low cost, help extensive use.Do not need each pump priming program of using, just can work as long as negative-pressure cup stores an amount of centrifugal pump start, after the shutdown, the liquid that can not in the negative-pressure cup flows out, and is easy to use.Use the centrifugal pump of self-priming apparatus, can be used for the liquid suction system of control automatically, the shutdown work of can starting shooting at any time.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with schematic representation:
Show a specific embodiment of the present utility model as Fig. 1, be that an extraction well depth is 3 meters a suction engine, by 0.03 cubic metre of airtight negative-pressure cup 3, internal diameter is that the outlet pipe 11 that 0.08 meter suction pipe 1 and internal diameter are 0.08 meter is formed, the suction pipe 1 one end mouths of pipe 4 are communicated with underground water at the top of negative-pressure cup 3 the other end, the outlet pipe 11 1 end mouths of pipe 7 are communicated with centrifugal pump 10 imports 9 at the bottom of negative-pressure cup 3 the other end, centrifugal pump 10 pump housing tops are positioned at the middle and lower part of negative-pressure cup 3, the mouth of pipe 5 of centrifugal pump outlet pipe 6 is higher than the suction mouth of pipe 4, a blowdown valve 2 is installed in bottom at negative-pressure cup 3, arrives at negative-pressure cup 3 effluent pipe mouths 7 filter 8 is installed between centrifugal pump 10 imports 9.
Claims (3)
1, a kind of centrifugal pump self-priming apparatus, it is characterized in that: form by airtight negative-pressure cup (3), suction pipe (1) and outlet pipe (11), outlet pipe (11) the one end mouths of pipe (7) are communicated with centrifugal pump (10) import (9) at the bottom the other end of negative-pressure cup (3), suction pipe (1) the one end mouth of pipe (4) is at the top the other end of negative-pressure cup (3) and the fluid connection that will extract, the volume of negative-pressure cup (3) is 1.5 to 3 times of suction pipe (1) volume, and centrifugal pump (10) effluent pipe mouth (5) will be higher than the suction mouth of pipe (4) or press the dress valve.
2, centrifugal pump self-priming apparatus according to claim 1 is characterized in that: a blowdown valve (2) is installed in the bottom at negative-pressure cup (3).
3, centrifugal pump self-priming apparatus according to claim 1 is characterized in that: between the centrifugal pump import (9) filter (8) is installed at negative-pressure cup (3) effluent pipe mouth (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292420 CN2585991Y (en) | 2002-12-06 | 2002-12-06 | Self-priming device of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292420 CN2585991Y (en) | 2002-12-06 | 2002-12-06 | Self-priming device of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2585991Y true CN2585991Y (en) | 2003-11-12 |
Family
ID=33750776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02292420 Expired - Fee Related CN2585991Y (en) | 2002-12-06 | 2002-12-06 | Self-priming device of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2585991Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352954A (en) * | 2011-09-30 | 2012-02-15 | 自贡市华瑞过滤设备制造有限公司 | Special absorption-assisting device for thin-oil lubricating equipment |
| CN102777413A (en) * | 2012-08-06 | 2012-11-14 | 大连华能耐酸泵厂有限责任公司 | Straight-through type synchronous suction and exhaust device for pump |
| CN103016383A (en) * | 2011-09-23 | 2013-04-03 | 陈登云 | Horizontal pump with siphon pot |
| CN103537125A (en) * | 2013-09-25 | 2014-01-29 | 安徽省绿巨人环境技术有限公司 | Filter type negative pressure tank |
| CN106286479A (en) * | 2015-05-25 | 2017-01-04 | 常州市华立液压润滑设备有限公司 | A kind of overhead pump is anti-is emptied method and device |
| CN108869313A (en) * | 2018-06-27 | 2018-11-23 | 邵阳学院 | It is a kind of for centrifugal pump from lead device |
| CN108893194A (en) * | 2018-07-06 | 2018-11-27 | 安徽谷天下食品有限公司 | A kind of bleaching clay self-suction system and its application method |
-
2002
- 2002-12-06 CN CN 02292420 patent/CN2585991Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016383A (en) * | 2011-09-23 | 2013-04-03 | 陈登云 | Horizontal pump with siphon pot |
| CN102352954A (en) * | 2011-09-30 | 2012-02-15 | 自贡市华瑞过滤设备制造有限公司 | Special absorption-assisting device for thin-oil lubricating equipment |
| CN102777413A (en) * | 2012-08-06 | 2012-11-14 | 大连华能耐酸泵厂有限责任公司 | Straight-through type synchronous suction and exhaust device for pump |
| CN103537125A (en) * | 2013-09-25 | 2014-01-29 | 安徽省绿巨人环境技术有限公司 | Filter type negative pressure tank |
| CN106286479A (en) * | 2015-05-25 | 2017-01-04 | 常州市华立液压润滑设备有限公司 | A kind of overhead pump is anti-is emptied method and device |
| CN108425913A (en) * | 2015-05-25 | 2018-08-21 | 常州市华立液压润滑设备有限公司 | The overhead pump of the failure capable of reducing using of hydraulic power unit is anti-to be emptied device |
| CN108506282A (en) * | 2015-05-25 | 2018-09-07 | 常州市华立液压润滑设备有限公司 | The overhead pump of hydraulic station is anti-to be emptied method |
| CN108757600A (en) * | 2015-05-25 | 2018-11-06 | 常州市华立液压润滑设备有限公司 | The overhead pump that air sucking and equipment idle running can be reduced is prevented being emptied device |
| CN108869313A (en) * | 2018-06-27 | 2018-11-23 | 邵阳学院 | It is a kind of for centrifugal pump from lead device |
| CN108893194A (en) * | 2018-07-06 | 2018-11-27 | 安徽谷天下食品有限公司 | A kind of bleaching clay self-suction system and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |