CN107035404A - A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction - Google Patents
A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction Download PDFInfo
- Publication number
- CN107035404A CN107035404A CN201710453135.7A CN201710453135A CN107035404A CN 107035404 A CN107035404 A CN 107035404A CN 201710453135 A CN201710453135 A CN 201710453135A CN 107035404 A CN107035404 A CN 107035404A
- Authority
- CN
- China
- Prior art keywords
- head
- chopped
- pump
- centrifugal
- subduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000010358 mechanical oscillation Effects 0.000 abstract description 3
- 230000003020 moisturizing effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000008676 import Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction, including chopped-off head submersible pump section, soft connecting leg, centrifugal multistage pump multiple centrifugal pump, gate valve and the sump being sequentially communicated by pipeline, chopped-off head submersible pump section is placed under the liquid level of lower sump, centrifugal multistage pump multiple centrifugal pump is connected with a speed regulator, speed regulator and a motor connection, water-level gauge is provided with lower sump, chopped-off head submersible pump Duan Yuyi frequency controls start cabinet connection, motor and water-level gauge and are connected with a switch board.The easy impeller for producing negative pressure cavitation is extended subduction below the liquid level of break cistern by the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction of the present invention, form malleation moisturizing, therefore toggle speed is fast, and avoid the condition of negative pressure of cavitation formation, prevent flow passage components cavitation from damaging, mechanical oscillation are reduced, bearing and load surface is reduced abrasion and mechanical fatigue, extends the service life of multi stage pumping station.
Description
Technical field
The present invention relates to no bottom valve systems technology field, more particularly to a kind of full malleation of chopped-off head subduction is efficiently mining
Multistage centrifugal pumping plant.
Background technology
No bottom valve system is widely used in the fields such as mine, oil, chemical industry.
Although water hammer when the water pump of existing no bottom valve system is not because having bottom valve to avoid unexpected termination of pumping, it is to avoid
Drainage system is damaged, but this water pump needs when opening pump to carry out filling pump first, start slower with duration speed, water pump relies on shape
Into negative pressure by water suction pump inner chamber, the air-tightness to water pump requires high, and auxiliary equipment is more, and complicated, fault rate is high, the longevity
Life is short.
In summary, the startup that how to solve the water pump generally existing of the existing mining multistage drainage system of centrifugation is slow, the life-span
Short, fault rate it is high the problem of, become those skilled in the art's urgent problem to be solved.
The content of the invention
It is above-mentioned existing to solve it is an object of the invention to provide a kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction
The problem of with the presence of technology, make the starting mode of pump of the multistage drainage system of centrifugation faster, the life-span is longer, fault rate is lower.
To achieve the above object, the invention provides following scheme：The invention provides a kind of full malleation of chopped-off head subduction is high
Mining centrifugal multistage pump station, including chopped-off head submersible pump section, centrifugal multistage pump multiple centrifugal pump and the upper sump being sequentially communicated by pipeline are imitated, it is described
Chopped-off head submersible pump section is placed under the liquid level of lower sump, and the centrifugal multistage pump multiple centrifugal pump is connected with a speed regulator, the speed regulator and one
Water-level gauge, the chopped-off head submersible pump section, speed regulator, motor and water-level gauge and a control are provided with motor connection, the lower sump
Cabinet connection processed.
Preferably, flowmeter is provided with the pipeline that the chopped-off head submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump.
Preferably, soft connecting leg is provided with the pipeline that the chopped-off head submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump.
Preferably, the chopped-off head submersible pump section starts cabinet equipped with independent frequency control.
Preferably, first pressure table is provided with the pipeline that the chopped-off head submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump.
Preferably, it is provided with second pressure table on the centrifugal multistage pump multiple centrifugal pump and the pipeline of the upper sump connection.
Preferably, it is provided with gate valve on the centrifugal multistage pump multiple centrifugal pump and the pipeline of the upper sump connection.
Preferably, it is provided with non-return valve on the centrifugal multistage pump multiple centrifugal pump and the pipeline of the upper sump connection.
Preferably, the pipeline that the chopped-off head submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump is bend pipe, the bend pipe and ground
The position of face connection has been provided with the base of fixation.
The present invention achieves following technique effect relative to prior art：
The efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction of the present invention is by the first stage impeller and pump of mining multistage pump
Body, with other rear class pump housing separate designs, by connecting line, subduction is extended in water suction by the easy impeller for producing negative pressure cavitation
Below the liquid level in pond, malleation moisturizing is formed, therefore toggle speed is fast, and the condition of negative pressure of cavitation formation is avoided, prevent
Flow passage components cavitation is damaged, and reduces mechanical oscillation, bearing and load surface is reduced abrasion and mechanical fatigue, is extended multistage pump
The service life stood.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram at the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction of the present invention；
Wherein, 1 is chopped-off head submersible pump section, and 2 be lower sump, and 3 be flowmeter, and 4 be base, and 5 be pipeline, and 6 be soft connecting leg, 7
It is centrifugal multistage pump multiple centrifugal pump for first pressure table, 8,9 be upper sump, and 10 be non-return valve, and 11 be gate valve, and 12 be second pressure table, and 13 are
Motor, 14 be switch board, and 15 be speed regulator, and 16 be water-level gauge.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in figure 1, the invention provides a kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction, including chopped-off head
Submersible pump section 1, centrifugal multistage pump multiple centrifugal pump 8, upper sump 9 and lower sump 2.Chopped-off head submersible pump section 1, centrifugal multistage pump multiple centrifugal pump 8 and upper sump 9 pass through
Pipeline 5 is connected, and chopped-off head submersible pump section 1 is placed under the liquid level of lower sump 2, and when chopped-off head submersible pump section 1 is flooded under water, chopped-off head is dived
Import to the liquid level of lower sump 2 for not having pump section 1 has certain height, so can have certain at the import of chopped-off head submersible pump section 1
Hydraulic pressure, the malleation at the import of this hydraulically-formed chopped-off head submersible pump section 1, it is ensured that the malleation moisturizing of chopped-off head submersible pump section 1.Chopped-off head
The purpose of submersible pump 1 subduction of section is to eliminate negative pressure, prevents cavitation from producing, increases import rate of water make-up, improves pump efficiency, it is to avoid
Mechanical oscillation, reduce abrasion and the mechanical fatigue of bearing and load surface, it is ensured that mining multistage pump station longtime running.Secondary pumps section
The malleation of import at impeller is the pressure of chopped-off head submersible pump 1 impeller outlet of section, the pressure of other grade of impeller the like.
Centrifugal multistage pump multiple centrifugal pump 8 is connected with speed regulator 15, and speed regulator 15 is connected with motor 13, and speed regulator 15 is permanent-magnet speed governor,
For adjusting the impeller sets rotating speed of centrifugal multistage pump multiple centrifugal pump 8.Chopped-off head submersible pump section 1 is connected with frequency control startup cabinet and (not drawn in figure
Go out), frequency converter is installed in chopped-off head submersible pump section 1, starting cabinet control frequency converter frequency conversion by frequency control adjusts chopped-off head submersible pump
The wheel speed of section 1, and then ensure that pumping plant is run in high efficient district all the time.
Water-level gauge is provided with lower sump 2, for measuring the water level in lower sump 2.Speed regulator 15 and water-level gauge 16 and control
Cabinet 14 processed is connected.The frequency converter in speed regulator 15 and chopped-off head submersible pump section 1 is controlled to work by switch board 14.Switch board 14 can
The numerical value of water-level gauge 16 is shown, and monitors the liquid level situation in lower sump 2, when chopped-off head submersible pump section 1 is higher than liquid level, pumping plant stops
Only work.
Flowmeter 3 is provided with the pipeline 5 that chopped-off head submersible pump section 1 is connected with centrifugal multistage pump multiple centrifugal pump 8, flowmeter 3 is shown in real time
Flow through the water-carrying capacity of pipeline 5.Soft connecting leg 6, soft connecting leg are provided with the pipeline 5 that chopped-off head submersible pump section 1 is connected with centrifugal multistage pump multiple centrifugal pump 8
6 close to the impeller eye position of centrifugal multistage pump multiple centrifugal pump 8, can effectively eliminate the vibration of chopped-off head submersible pump section 1 to centrifugal multistage pump multiple centrifugal pump 8
Influence.
First pressure table 7, first pressure table 7 are provided with the pipeline 5 that chopped-off head submersible pump section 1 is connected with centrifugal multistage pump multiple centrifugal pump 8
Pressure for the water of the porch of detecting centrifugal multistage pump multiple centrifugal pump 8.It is provided with the pipeline 5 that centrifugal multistage pump multiple centrifugal pump 8 and upper sump 9 are connected
Second pressure table 12, second pressure table 12 is used for the pressure for detecting the water in the exit of centrifugal multistage pump multiple centrifugal pump 8.The He of centrifugal multistage pump multiple centrifugal pump 8
Gate valve 11 and non-return valve 10 are additionally provided with the connecting pipe 5 of upper sump 9, non-return valve 10 is positioned close to the position of sump 9.
Non-return valve 10 prevents the water adverse current in sump 9 from washing out water pump, and gate valve 11 is used to control the different opening needed for pumping plant.
The pipeline 5 that chopped-off head submersible pump section 1 is connected with centrifugal multistage pump multiple centrifugal pump 8 is bend pipe, the position that the bend pipe is connected with ground
The base 4 of fixation has been provided with, has driven pipeline 5 to rock when preventing chopped-off head submersible pump section 1 from working, influence chopped-off head submersible pump section
The stability of 1 work and the life-span of connecting pipe 5.
When the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction of the present invention is opened, start chopped-off head submersible pump section first
1 motor, makes water be full of pump chamber, then starts the motor 13 of secondary and later pump, starts whole pump group.During termination of pumping, first
The motor 13 of secondary and later pump is closed, the motor of chopped-off head submersible pump section 1 is turned off.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention；Simultaneously for those of ordinary skill in the art, according to
According to the thought of the present invention, it will change in specific embodiments and applications.In summary, this specification content
It should not be construed as limiting the invention.
Claims (9)
1. a kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction, it is characterised in that：Including being sequentially communicated by pipeline
Chopped-off head submersible pump section, centrifugal multistage pump multiple centrifugal pump and upper sump, the chopped-off head submersible pump section is placed under the liquid level of lower sump, described many
Level centrifugal pump is connected with a speed regulator, the speed regulator and a motor connection, and water-level gauge, the head are provided with the lower sump
Level submersible pump Duan Yuyi frequency controls start cabinet connection, and motor and water-level gauge are connected with a switch board.
2. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：The head
Flowmeter is provided with the pipeline that level submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump.
3. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：The head
Soft connecting leg is provided with the pipeline that level submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump.
4. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：The head
Level submersible pump section starts cabinet equipped with independent frequency control.
5. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction, it is characterised in that：Chopped-off head submersible pump section with it is described many
First pressure table is provided with the pipeline of level centrifugal pump connection.
6. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：It is described many
Second pressure table is provided with level centrifugal pump and the pipeline of the upper sump connection.
7. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：It is described many
Gate valve is provided with level centrifugal pump and the pipeline of the upper sump connection.
8. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：It is described many
Non-return valve is provided with level centrifugal pump and the pipeline of the upper sump connection.
9. the efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction according to claim 1, it is characterised in that：The head
The pipeline that level submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump is bend pipe, and the position that the bend pipe is connected with ground has been provided with solid
Tailor-made base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453135.7A CN107035404A (en) | 2017-06-15 | 2017-06-15 | A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453135.7A CN107035404A (en) | 2017-06-15 | 2017-06-15 | A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107035404A true CN107035404A (en) | 2017-08-11 |
Family
ID=59541222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453135.7A Pending CN107035404A (en) | 2017-06-15 | 2017-06-15 | A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035404A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882675A (en) * | 2017-11-21 | 2018-04-06 | 黑龙江工业学院 | A kind of PLC controls mine water generates electricity and electric supply installation |
| CN116428150A (en) * | 2023-03-18 | 2023-07-14 | 锦州重型水泵有限公司 | Cavitation-free constant-flow water feeding pump set and operation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2083894A2 (en) * | 1992-04-07 | 1996-04-16 | Tena Angel Fernandez | Apparatus and process for pumping liquids |
| CN101446281A (en) * | 2007-11-27 | 2009-06-03 | 周宝星 | Drainage device for coal bed gas well electric submersible centrifugal pump |
| CN204239281U (en) * | 2014-10-11 | 2015-04-01 | 南京梅山冶金发展有限公司 | A kind of high-lift multi-stage centrifugal pump water supply installation |
| CN106194253A (en) * | 2016-08-31 | 2016-12-07 | 北京和利时智能技术有限公司 | Transfer sump integration drainage system under a kind of mine |
| CN206987884U (en) * | 2017-06-15 | 2018-02-09 | 张昱朔 | A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction |
-
2017
- 2017-06-15 CN CN201710453135.7A patent/CN107035404A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2083894A2 (en) * | 1992-04-07 | 1996-04-16 | Tena Angel Fernandez | Apparatus and process for pumping liquids |
| CN101446281A (en) * | 2007-11-27 | 2009-06-03 | 周宝星 | Drainage device for coal bed gas well electric submersible centrifugal pump |
| CN204239281U (en) * | 2014-10-11 | 2015-04-01 | 南京梅山冶金发展有限公司 | A kind of high-lift multi-stage centrifugal pump water supply installation |
| CN106194253A (en) * | 2016-08-31 | 2016-12-07 | 北京和利时智能技术有限公司 | Transfer sump integration drainage system under a kind of mine |
| CN206987884U (en) * | 2017-06-15 | 2018-02-09 | 张昱朔 | A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882675A (en) * | 2017-11-21 | 2018-04-06 | 黑龙江工业学院 | A kind of PLC controls mine water generates electricity and electric supply installation |
| CN107882675B (en) * | 2017-11-21 | 2020-01-14 | 黑龙江工业学院 | PLC (programmable logic controller) controlled mine water power generation and supply device |
| CN116428150A (en) * | 2023-03-18 | 2023-07-14 | 锦州重型水泵有限公司 | Cavitation-free constant-flow water feeding pump set and operation method |
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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 |
Application publication date: 20170811 |
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| RJ01 | Rejection of invention patent application after publication |