CN208669633U - A kind of electric pump increasing pipeline pump suction - Google Patents
A kind of electric pump increasing pipeline pump suction Download PDFInfo
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- CN208669633U CN208669633U CN201821187823.XU CN201821187823U CN208669633U CN 208669633 U CN208669633 U CN 208669633U CN 201821187823 U CN201821187823 U CN 201821187823U CN 208669633 U CN208669633 U CN 208669633U
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Abstract
A kind of electric pump increasing pipeline pump suction, it is made of small power electric immersed pump, pedestal, annular bottom valve, annular outer flow passage, electric pump shell and cable tube, it is characterized in that, there are the entrance of annular outer flow passage and the entrance of small power electric immersed pump runner on pedestal, small power electric immersed pump is installed on the pedestal of small power electric immersed pump flow channel entry point, annular bottom valve is installed on the pedestal of annular outer flow passage entrance.Thus constitute two flow channel for liquids, i.e., the runner of annular outer flow passage and small-power immersed pump.When work, the electric pump that first starting increases pipeline pump suction restarts pipeline pump after the intake line of pipeline pump is hydraulically full.Annular bottom valve is opened at this time, and liquid passes through annular outer flow passage and small power electric immersed pump runner conveys liquid jointly.The utility model thoroughly solves the problems, such as that pipeline pump suction is small.
Description
(1) technical field:
The utility model relates to convey the electric pump of liquid, in particular to be in conveying liquid, one kind slips into
It is operated in liquid, increases the electric pump of pipeline pump suction.
(2) background technique:
Currently, the advantages such as universal pipes pump is convenient for installation and maintenance as possessed by it, the wide, technology maturation of use scope.
It is all largely being used in many industry and civil field, pipeline pump.In centrifugal pump class, the market share is very big.Conventional
Pipeline pump, the inlet and outlet of liquid are a kind of centrifugal pumps being located along the same line.It can be directly installed on pipeline as pipeline
Liquid is pressurized.What pipeline pump utilized is that liquid is transported to pipeline pump by the principle of negative pressure self-suction.Operated by pipeline pump
The negative pressure generated afterwards, draws liquid into pipeline pump, after being pressurized in pipeline pump, then is transported to another place.In addition, pipeline pump
In oil depot and chemical storage, usually as buried liquid tank and vertical liquid tank, it is used as mutual liquid conveying.
Using the system of above-mentioned pipeline pump conveying liquid.Its major defect is that the suction of pipeline pump is small.When buried liquid tank
Position embedment relatively depth or tank level be in low level, at this time needed for suction with regard to bigger, when starting, can be highly difficult.Especially exist
In the operation for conveying volatile liquid, such as when gasoline, stupid class, especially during the broiling summer or when high altitude localities.It is inhaling
Enter in system, the vaporization phenomenon that boils will occur for the liquid of conveying, will form vapour lock at the position for being easy to accumulated gases.Due to pipe
The suction very little of road pump can hinder the flowing of even completely blocking liquid after there is vapour lock.Infusion flow is caused to decline, very
To the job interruption for causing conveying liquid, it has to be solved using the reversed method for filling pump.Cause working efficiency degradation
With the waste of resource.There is also security risks simultaneously.
(3) utility model content:
The purpose of the utility model is to overcome the deficiencies of above-mentioned technology, provide a kind of electricity for increasing pipeline pump suction
Pump.
The technical solution for solving above-mentioned technical problem is: a kind of electric pump increasing pipeline pump suction, it is characterised in that it is wrapped
It includes: small power electric immersed pump, pedestal, annular bottom valve, annular outer flow passage, electric pump shell, the cable tube for increasing pipeline pump suction；
There are the entrance of annular outer flow passage and the entrance of small-power immersed pump runner on the pedestal；The entrance and ring of the annular outer flow passage
The inner space of shape outer flow passage is corresponding, and small power electric immersed pump is installed on the entrance of the small power electric immersed pump；Institute
The bottom for stating annular outer flow passage is equipped with bottom check valve.
Entrance, bottom check valve, annular outer flow passage and the infusion for increasing pipeline pump suction electric pump of the annular outer flow passage
Outlet, runner are sequentially connected in series, and are interconnected, and the annular outer flow passage for increasing pipeline pump suction electric pump is constituted.
The entrance of the small-power immersed pump runner, the outlet non-return valve of small-power immersed pump runner and increase pipeline pump are inhaled
The infusion of journey electric pump exports, and runner is sequentially connected in series, and is interconnected, and constitutes the runner of small-power immersed pump.
The small power electric immersed pump cable tube connects exterior power supply plant.
The electric pump for increasing pipeline pump suction immerses in buried liquid tank；The infusion for increasing pipeline pump suction electric pump
Outlet, is connect by liquid-transport pipe-line with pipeline pump intake；The delivery outlet of the pipeline pump and the perfusion tube of output liquid connect.
The liquid is gasoline, diesel oil, kerosene, methanol or ethyl alcohol and low-viscosity (mobile) liquid.
The beneficial effects of the utility model are: the 1, present invention provides a kind of electric pump for increasing pipeline pump suction, it utilizes increasing
Add small-power immersed pump in the electric pump of pipeline pump suction, provides positive pressure conveying pouring liquid into the intake system of pipeline pump, make
It is filled with liquid in vacant duct originally, eliminates vapour lock, when thoroughly solving pipeline pump negative pressure suction type conveying liquid, institute
The vapour lock problem of generation；2, it is filled simultaneously using the effective combination for the annular outer flow passage and pipeline pump for increasing pipeline pump suction electric pump
Distribution has waved that pipeline pump discharge is big, lift is high, structure is simple, advantage at low cost and high-power；3, using above-mentioned two measures,
When having reached pipeline pump conveying liquid, no vapour lock, the beneficial effect for efficiently and quickly conveying liquid.
(4) Detailed description of the invention:
Fig. 1 is the utility model and when pipeline pump is used in series, the system schematic of the conveying liquid of composition；
Fig. 2 is the structural schematic diagram of the utility model.
" the main number explanation in attached drawing ":
1: buried liquid tank；2: increasing the electric pump of pipeline pump suction；3: the liquid-transport pipe-line of pipeline Pump Suction Nozzle；4: pipeline
Pump；5: the liquid-transport pipe-line of pipeline pump discharge；6: increasing the infusion entrance of small-power immersed pump in the electric pump of pipeline pump suction；7:
The infusion entrance of annular outer flow passage；8: pedestal；9: circular bottom part check-valves；10: increasing small-power in the electric pump of pipeline pump suction
Immersed pump；11: annular outer flow passage；12: increasing the electric pump shell of pipeline pump suction；13: increasing small in the electric pump of pipeline pump suction
The infusion of power immersed pump exports；14: increasing the infusion outlet of pipeline pump suction electric pump；15: cable tube.
(5) specific embodiment:
The embodiments of the present invention are discussed further with reference to the accompanying drawing.
Fig. 1 is the utility model and when pipeline pump is used in series, the system schematic of the conveying liquid of composition；Fig. 2 is this
The structural schematic diagram of utility model.
As shown in Figure 1, when the utility model and pipeline pump are used in series, about the system status of conveying liquid, below more
Specifically describe the structure on lower connector road.
The offer of described the utility model, the electric pump 2 for increasing pipeline pump suction is mounted on the bottom of buried liquid tank 1；
The electric pump 2 for increasing pipeline pump suction is connected with the liquid-transport pipe-line 3 of pipeline Pump Suction Nozzle；The liquid-transport pipe-line 3 of pipeline Pump Suction Nozzle
Be connected with pipeline pump 4: pipeline pump 4 is connected with the liquid-transport pipe-line 5 of pipeline pump discharge.
As shown in Fig. 2, the structure of the utility model includes: the defeated of small-power immersed pump in the electric pump for increase pipeline pump suction
Liquid entrance 6, the infusion entrance 7 of annular outer flow passage, pedestal 8, circular bottom part check-valves 9 increase small in the electric pump of pipeline pump suction
Power immersed pump 10, annular outer flow passage 11 increase the electric pump shell 12 of pipeline pump suction, increase small in the electric pump of pipeline pump suction
The infusion outlet 13 of power immersed pump increases infusion outlet 14 and the cable tube 15 of pipeline pump suction electric pump.
There are the entrance 7 of annular outer flow passage and the entrance 6 of small-power immersed pump runner on the pedestal 8；The annular outflow
The entrance 7 in road is corresponding with the annular inner space of outer flow passage；Small-power is installed on the entrance 6 of the small power electric immersed pump
Electronic immersed pump 10；Circular bottom part check-valves 9 is installed on the pedestal 8；The infusion entrance 7 of the annular outer flow passage, annular
Bottom check valve 9, annular outer flow passage 11 and the infusion outlet 13 for increasing pipeline pump suction electric pump, runner is sequentially connected in series, mutually
Connection constitutes the annular outer flow passage for increasing pipeline pump suction electric pump liquid communication；
The entrance 6 of the small-power immersed pump runner, the infusion outlet 13 of small-power immersed pump runner, and increase pipeline pump
The infusion of suction electric pump exports, and runner is sequentially connected in series, and is interconnected, and constitutes the inner flow passage of small-power immersed pump；
The runner of the annular outer flow passage for increasing pipeline pump suction electric pump liquid communication and small-power immersed pump,
It is connected with for the liquid-transport pipe-line 3 of pipeline Pump Suction Nozzle.
The course of work for increasing pipeline pump suction electric pump in the utility model is illustrated below:
(1) when pipeline pump 4 does not work, the electric pump 2 for increasing pipeline pump suction is immersed in the liquid of buried liquid tank 1,
Because of the weight of circular bottom part check-valves 9 itself, the circular bottom part check-valves in the electric pump 2 for increasing pipeline pump suction has been automatically closed
9, the liquid increased in the annular outer flow passage 11 in the electric pump 2 of pipeline pump suction can not pass through.
(2) when needing pipeline pump 4 to work, first starting increases small-power immersed pump 10 in the electric pump of pipeline pump suction, opens
Beginning positive pressure conveys liquid, the infusion entrance 6 of small-power immersed pump in electric pump of the liquid by increasing pipeline pump suction, through small-power
The infusion outlet 13 of immersed pump runner enters annular outer flow passage 11, and reaches the infusion outlet for increasing pipeline pump suction electric pump
13, it enters in the liquid-transport pipe-line 3 of 4 suction inlet of pipeline pump, carries out fluid injection, in the liquid-transport pipe-line 3 for eliminating pipeline Pump Suction Nozzle
Vapour lock；At this point, increasing the circular bottom part check-valves 9 in pipeline pump suction electric pump, compressed by this partially liq, prevents liquid reflux
Into buried tank.
(3) after hydraulically full in the liquid-transport pipe-line 3 of pipeline Pump Suction Nozzle, pipeline pump 4 is opened；Pipeline Pump Suction Nozzle at this time
Liquid-transport pipe-line 3 in, produce very big negative pressure.The negative pressure passes through the liquid-transport pipe-line 3 of pipeline Pump Suction Nozzle, and increases pipeline
The annular outer flow passage for pumping suction electric pump 2 is transmitted on the circular bottom part check-valves 9 for increasing the electric pump 2 of pipeline pump suction；
(4) negative pressure caused by the pipeline pump 4, when reaching the negative pressure opening point for the circular bottom part check-valves 9 being pre-designed,
Automatically open the circular bottom part check-valves 9 in the electric pump 2 for increasing pipeline pump suction；
(5) liquid in buried liquid tank 1 at this time, by the entrance 7 of annular outer flow passage, the circular bottom part non-return having turned on
Valve 9 enters in the annular outer flow passage for increasing pipeline pump suction electric pump 2；
(6) the activity duration section in face, liquid are flowed via two arranged side by side in the electric pump 2 for increasing pipeline pump suction behind
Road, the i.e. runner of the annular outer flow passage of increase pipeline pump suction electric pump and small-power immersed pump, by for pipeline Pump Suction Nozzle
Liquid-transport pipe-line 3, pipeline pump 4, the liquid-transport pipe-line 5 of pipeline pump discharge are common to complete conveying liquid.Due to increasing pipeline pump suction
Electric pump can be effectively protected pipeline pump, do not run in the case where idle running has vapour lock, efficiently pacify to reach pipeline pump
The beneficial effect of row for the national games.
Claims (2)
1. a kind of electric pump for increasing pipeline pump suction, by small power electric immersed pump, pedestal, annular bottom valve, annular outer flow passage, electricity
Pump case and cable tube composition, which is characterized in that have the entrance and small power electric immersed pump runner of annular outer flow passage on pedestal
Entrance, small power electric immersed pump, annular outer flow passage entrance are installed on the pedestal of small power electric immersed pump flow channel entry point
Pedestal on annular bottom valve is installed.
2. a kind of electric pump for increasing pipeline pump suction described in accordance with the claim 1, which is characterized in that annular outer flow passage enters
Mouth, bottom check valve, annular outer flow passage and the infusion outlet for increasing pipeline pump suction electric pump, runner are sequentially connected in series, mutually interconnect
It is logical, constitute the annular outer flow passage for increasing pipeline pump suction electric pump, and the entrance of small-power immersed pump runner, small-power immersed pump stream
The outlet in road and the infusion outlet for increasing pipeline pump suction electric pump, runner are sequentially connected in series, are interconnected, and constitute the latent liquid of small-power
The runner of pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821187823.XU CN208669633U (en) | 2018-07-26 | 2018-07-26 | A kind of electric pump increasing pipeline pump suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821187823.XU CN208669633U (en) | 2018-07-26 | 2018-07-26 | A kind of electric pump increasing pipeline pump suction |
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| Publication Number | Publication Date |
|---|---|
| CN208669633U true CN208669633U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821187823.XU Active CN208669633U (en) | 2018-07-26 | 2018-07-26 | A kind of electric pump increasing pipeline pump suction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757500A (en) * | 2018-07-26 | 2018-11-06 | 天津加马电潜泵有限责任公司 | A kind of electric pump increasing pipeline pump suction |
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2018
- 2018-07-26 CN CN201821187823.XU patent/CN208669633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757500A (en) * | 2018-07-26 | 2018-11-06 | 天津加马电潜泵有限责任公司 | A kind of electric pump increasing pipeline pump suction |
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