CN108869313A - It is a kind of for centrifugal pump from lead device - Google Patents
It is a kind of for centrifugal pump from lead device Download PDFInfo
- Publication number
- CN108869313A CN108869313A CN201810680231.XA CN201810680231A CN108869313A CN 108869313 A CN108869313 A CN 108869313A CN 201810680231 A CN201810680231 A CN 201810680231A CN 108869313 A CN108869313 A CN 108869313A
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- China
- Prior art keywords
- cylinder
- centrifugal pump
- inlet tube
- lead device
- outlet
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of for centrifugal pump from lead device, for providing diversion for centrifugal pump.It include cylinder, inlet tube and outlet from lead device, one end of the inlet tube is set to the outside of the cylinder, the inside of the cylinder is arranged in the other end of the inlet tube, the inlet tube is for inserting the liquid into the cylinder, the distance between the top of the inlet tube and the top surface of the cylinder 20-30mm, one end of the outlet is set in the cylinder, and the other end is connected to the suction line connection of centrifugal pump.This can shorten the starting time of centrifugal pump from lead device, easy to operate, reduce the workload of worker；And have many advantages, such as to save water, protection impeller and the cavitation erosion and air sinuses phenomenon for preventing centrifugal pump.
Description
Technical field
The present invention relates to water pump technologies, and in particular to it is a kind of for centrifugal pump from lead device.
Background technique
Centrifugal pump is the mechanical device for conveying liquid or being pressurized liquid.It is by the mechanical energy of prime mover or other external energies
Amount send liquid to, increase liquid energy, be mainly used to convey liquid include water, oil, acid & alkali liquid, emulsion, suspended emulsion and
Liquid metal etc..Certainly, centrifugal pump also can transport the admixture of gas in addition to liquid and the liquid containing suspended solids.
Under the action of centrifugal pump is the centrifugal force caused by the high speed rotation of impeller, liquid is collected in pump case, and
So that liquid is obtained biggish kinetic energy, kinetic energy is become pressure energy in the diffuser below, is hoisted so that liquid be mentioned.
However, centrifugal pump before starting, needs first to fill liquid in pump case, after centrifugal pump operating, revolved in impeller high speed
Then under the action of the centrifugal force generated, the liquid in impeller channel is thrown toward surrounding, is pressed into pump case, and the shape at impeller eye
At vacuum, the liquid in pond is inhaled into along suction hose supplemented with this vacuum space under external atmospheric pressure.The liquid of sucking
It is thrown away again by impeller through pump case and enters outlet pipe.
It can be appreciated that centrifugal pump before activation plus water process it is cumbersome, not only extend the starting time, but also increase work
The workload of people.
Summary of the invention
The purpose of the present invention is to provide a kind of for centrifugal pump from lead device, to solve existing starting centrifugal pump when
Between long and heavy workload the problem of.
To achieve the above object, the technical scheme is that provide it is a kind of for centrifugal pump from lead device, for for from
Heart pump provides diversion, and described from lead device includes cylinder, inlet tube and outlet, and one end of the inlet tube is set to the cylinder
The inside of the cylinder is arranged in outside, the other end of the inlet tube, and the inlet tube is used to insert the liquid into the cylinder,
One end of the distance between the top of the inlet tube and the top surface of the cylinder 20-30mm, the outlet are set to the cylinder
In vivo, the suction line connection of other end connection centrifugal pump.
Preferably, the inlet tube protrudes into cylinder from the bottom of the cylinder.
Preferably, the outlet is arranged in the side wall of the cylinder and is close to the bottom of the cylinder, and it is described go out
The center line of the suction line of the center line and centrifugal pump of mouth pipe is contour.
Preferably, described from lead device further includes aqueduct, and the aqueduct is set to the top of the cylinder, the diversion
One end of pipe is protruded into the cylinder, and the other end is set to the outside of the cylinder.
Preferably, the aqueduct uses the painting zinc pipe of model DN15.
Preferably, described from lead device further includes support frame, and support frame as described above is set to the bottom of the cylinder, is used to support
The cylinder.
Preferably, the making material of the cylinder is stainless steel or ordinary steel.
Preferably, the wall thickness of the cylinder is 0.5-1.0mm.
Preferably, the inlet tube and the outlet use model DN100 or DN80 seamless steel pipe.
Preferably, the size of the inlet tube is 100 × 4mm of Ф, and the size of the outlet is 80 × 4mm of Ф.
The invention has the advantages that：
Provided by the present invention for being connected to from lead device, inlet tube and outlet with cylinder for centrifugal pump, inlet tube is used for will
Liquid introduces the cylinder, and the outlet is used to draw the intracorporal liquid of the cylinder, due to the suction of outlet and centrifugal pump
Enter pipe connection, when centrifugal pump is out of service, the water in pipeline is flowed back into cylinder, and the top on the top of inlet tube and cylinder
The distance between face 20-30mm will not flow out so the water of reflux is stored in cylinder from inlet tube, be centrifuged when being again started up
When pump, centrifugal pump first extracts the intracorporal water of cylinder out, and vacuum area is formed in cylinder, and the water in pond leads under atmospheric pressure
Inlet tube is crossed continuously to be pressed into cylinder, it is easy to operate so as to shorten the starting time of centrifugal pump, reduce worker
Workload.In addition, diversion usage amount should can be reduced from lead device, saves and used water；Make the impeller one of centrifugal pump from lead device
It is directly covered with water, reduces the corrosion rate of impeller, effectively protect impeller；And the cavitation erosion of centrifugal pump is effectively prevented
With air sinuses phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram from lead device provided in an embodiment of the present invention for centrifugal pump.
Fig. 2 is the sectional view from lead device provided in an embodiment of the present invention for centrifugal pump.
Drawing reference numeral：
1- cylinder, 2- inlet tube, 3- outlet, 4- support frame, 5- aqueduct.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The present embodiment provides a kind of for centrifugal pump from lead device, for providing diversion for centrifugal pump.Such as Fig. 1 and Fig. 2 institute
Show, include cylinder 1, inlet tube 2 and outlet 3 from lead device, one end of inlet tube 2 is set to the outside of cylinder 1, inlet tube 2 it is another
One end is arranged in the inside of cylinder 1, inlet tube 2 for inserting the liquid into cylinder 1, the top surface of the top of inlet tube 2 and cylinder 1 it
Between distance H be 20-30mm, one end of outlet 3 is set in cylinder 1, and the suction line of other end connection centrifugal pump (does not show in figure
It is connected to out).
In the present embodiment, the making material of cylinder 1 is stainless steel or ordinary steel.The wall thickness of cylinder is 0.5-1.0mm.Into
Mouth pipe 2 and outlet 3 use model DN100 or DN80 seamless steel pipe, and the size of inlet tube 2 is 100 × 4mm of Ф, outlet 3
Size be 80 × 4mm of Ф.
Preferably, inlet tube 2 directly protrudes into cylinder 1 from the bottom of cylinder 1.The side of the cylinder 1 is arranged in outlet 3
Wall and the bottom for being close to the cylinder 1, and the center line of the suction line of the center line and centrifugal pump of the outlet 3 is contour.
It in the present embodiment, further include support frame 4 from lead device, support frame as described above 4 is set to the bottom of the cylinder 1, uses
In the support cylinder 1.
It should be noted that the size of cylinder 1, inlet tube 2 and outlet 3 is not limited to ruler provided in this embodiment
It is very little, in fact, the size of cylinder 1, inlet tube 2 and outlet 3 can be determines according to actual conditions.
Embodiment 2
The present embodiment provides another for centrifugal pump from lead device, for providing diversion for centrifugal pump.Such as Fig. 1 and Fig. 2
It is shown, it include cylinder 1, inlet tube 2 and outlet 3 from lead device, one end of inlet tube 2 is set to the outside of cylinder 1, inlet tube 2
The inside of cylinder 1 is arranged in the other end, and inlet tube 2 is for inserting the liquid into cylinder 1, the top of inlet tube 2 and the top surface of cylinder 1
The distance between H be 20-30mm, one end of outlet 3 is set in cylinder 1, and the other end is connected to the suction line of centrifugal pump (in figure not
Show) connection.
In the present embodiment, the making material of cylinder 1 is stainless steel or ordinary steel.The wall thickness of cylinder is 0.5-1.0mm.Into
Mouth pipe 2 and outlet 3 use model DN100 or DN80 seamless steel pipe, and the size of inlet tube 2 is 100 × 4mm of Ф, outlet 3
Size be 80 × 4mm of Ф.
Preferably, inlet tube 2 directly protrudes into cylinder 1 from the bottom of cylinder 1.The side of the cylinder 1 is arranged in outlet 3
Wall and the bottom for being close to the cylinder 1, and the center line of the suction line of the center line and centrifugal pump of the outlet 3 is contour.
It in the present embodiment, further include support frame 4 from lead device, support frame as described above 4 is set to the bottom of the cylinder 1, uses
In the support cylinder 1.
Aqueduct 5 is set to the top of the cylinder 1, and one end of the aqueduct 5 is protruded into the cylinder 1, the other end
It is set to the outside of the cylinder 1.When first use is from lead device, water is poured into cylinder 1 by aqueduct 5, with start from
Heart pump.Centrifugal pump can be started using recirculation water of centrifugal pump when out of service in pipeline later.
Preferably, aqueduct uses the painting zinc pipe of model DN15.
Being connected to cylinder from lead device, inlet tube and outlet for centrifugal pump provided by the above embodiment, import is effective
In inserting the liquid into the cylinder, the outlet is used to draw the intracorporal liquid of the cylinder, due to outlet and centrifugal pump
Suction line connection, when centrifugal pump is out of service, the water in pipeline is flowed back into cylinder, and the top of inlet tube and cylinder
The distance between top surface 20-30mm will not be flowed out from inlet tube so the water of reflux is stored in cylinder, when being again started up
When centrifugal pump, centrifugal pump first extracts the intracorporal water of cylinder out, and vacuum area is formed in cylinder, effect of the water in pond in atmospheric pressure
It is continuously pressed into cylinder by inlet tube down, it is easy to operate so as to shorten the starting time of centrifugal pump, reduce
The workload of worker.In addition, diversion usage amount should can be reduced from lead device, saves and used water；Make the leaf of centrifugal pump from lead device
Wheel is covered with water always, is reduced the corrosion rate of impeller, is effectively protected impeller；And centrifugal pump is effectively prevented
Cavitation erosion and air sinuses phenomenon.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. it is a kind of for centrifugal pump from lead device, for providing diversion for centrifugal pump, which is characterized in that it is described from lead device include cylinder
Body, inlet tube and outlet, one end of the inlet tube are set to the outside of the cylinder, and the other end setting of the inlet tube exists
The inside of the cylinder, the inlet tube is for inserting the liquid into the cylinder, the top of the inlet tube and the cylinder
One end of the distance between top surface 20-30mm, the outlet are set in the cylinder, and the other end is connected to the suction line of centrifugal pump
Connection.
2. it is according to claim 1 for centrifugal pump from lead device, which is characterized in that the inlet tube is from the cylinder
Bottom is protruded into cylinder.
3. it is according to claim 2 for centrifugal pump from lead device, which is characterized in that the outlet is arranged in the cylinder
The side wall of body and the bottom for being close to the cylinder, and the center line etc. of the suction line of the center line and centrifugal pump of the outlet
It is high.
4. it is according to claim 1 for centrifugal pump from lead device, which is characterized in that it is described from lead device further include diversion
Pipe, the aqueduct are set to the top of the cylinder, and one end of the aqueduct is protruded into the cylinder, and the other end is set to
The outside of the cylinder.
5. it is according to claim 4 for centrifugal pump from lead device, which is characterized in that the aqueduct uses model
The painting zinc pipe of DN15.
6. it is according to claim 1 for centrifugal pump from lead device, which is characterized in that it is described from lead device further include support
Frame, support frame as described above are set to the bottom of the cylinder, are used to support the cylinder.
7. it is according to claim 1 for centrifugal pump from lead device, which is characterized in that the making material of the cylinder is not
Become rusty steel or ordinary steel.
8. it is according to claim 7 for centrifugal pump from lead device, which is characterized in that the wall thickness of the cylinder is 0.5-
1.0mm。
9. it is according to claim 1 for centrifugal pump from lead device, which is characterized in that the inlet tube and the outlet
Using model DN100 or DN80 seamless steel pipe.
10. it is according to claim 9 for centrifugal pump from lead device, which is characterized in that the size of the inlet tube is Ф
100 × 4mm, the size of the outlet are 80 × 4mm of Ф.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680231.XA CN108869313A (en) | 2018-06-27 | 2018-06-27 | It is a kind of for centrifugal pump from lead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680231.XA CN108869313A (en) | 2018-06-27 | 2018-06-27 | It is a kind of for centrifugal pump from lead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108869313A true CN108869313A (en) | 2018-11-23 |
Family
ID=64296129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810680231.XA Pending CN108869313A (en) | 2018-06-27 | 2018-06-27 | It is a kind of for centrifugal pump from lead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869313A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053263U (en) * | 1989-07-24 | 1990-02-21 | 刘希平 | Non-bottom valve device for centrifugal pump |
| CN2585991Y (en) * | 2002-12-06 | 2003-11-12 | 赵建国 | Self-priming device of centrifugal pump |
| CN2861562Y (en) * | 2005-11-29 | 2007-01-24 | 郗腾来 | Negative pressure water diversion device for eccentric water pump |
| CN202379860U (en) * | 2011-12-15 | 2012-08-15 | 上海城投污水处理有限公司桃浦污水处理厂 | Automatic primer with sludge centrifugal pump |
| CN202579358U (en) * | 2012-04-20 | 2012-12-05 | 铜陵顶科镀锡铜线有限公司 | Vacuum priming device of wire drawing machine |
| CN205823660U (en) * | 2016-07-28 | 2016-12-21 | 唐山三友硅业有限责任公司 | Liquid collector before centrifugal pump pump |
| WO2017111213A1 (en) * | 2015-12-22 | 2017-06-29 | 주식회사 일성 | Air discharging device for vacuum self-priming pump |
-
2018
- 2018-06-27 CN CN201810680231.XA patent/CN108869313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053263U (en) * | 1989-07-24 | 1990-02-21 | 刘希平 | Non-bottom valve device for centrifugal pump |
| CN2585991Y (en) * | 2002-12-06 | 2003-11-12 | 赵建国 | Self-priming device of centrifugal pump |
| CN2861562Y (en) * | 2005-11-29 | 2007-01-24 | 郗腾来 | Negative pressure water diversion device for eccentric water pump |
| CN202379860U (en) * | 2011-12-15 | 2012-08-15 | 上海城投污水处理有限公司桃浦污水处理厂 | Automatic primer with sludge centrifugal pump |
| CN202579358U (en) * | 2012-04-20 | 2012-12-05 | 铜陵顶科镀锡铜线有限公司 | Vacuum priming device of wire drawing machine |
| WO2017111213A1 (en) * | 2015-12-22 | 2017-06-29 | 주식회사 일성 | Air discharging device for vacuum self-priming pump |
| CN205823660U (en) * | 2016-07-28 | 2016-12-21 | 唐山三友硅业有限责任公司 | Liquid collector before centrifugal pump pump |
Non-Patent Citations (1)
| Title |
|---|
| 上海市政工程设计研究院: "《给水排水设计手册 第9册 专用机械 第2版》", 30 June 2000, 中国建筑工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |