CN206987884U - 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
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- CN206987884U CN206987884U CN201720696335.0U CN201720696335U CN206987884U CN 206987884 U CN206987884 U CN 206987884U CN 201720696335 U CN201720696335 U CN 201720696335U CN 206987884 U CN206987884 U CN 206987884U
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- subduction
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Abstract
The utility model 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 utility model, 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, reduce mechanical oscillation, bearing and load surface is reduced abrasion and mechanical fatigue, extend the service life of multi stage pumping station.
Description
Technical field
No bottom valve systems technology field is the utility model is related to, it is efficient more particularly to a kind of full malleation of chopped-off head subduction
Mining centrifugal multistage pump station.
Background technology
No bottom valve system is widely used in the fields such as mine, oil, chemical industry.
Water hammer when although the water pump of existing no bottom valve system is not because having bottom valve to avoid unexpected termination of pumping, is avoided
Drainage system is damaged, but needs to carry out filling pump first when this water pump opens pump, starts slower with duration speed, water pump relies on shape
Into negative pressure by water suction pump inner chamber, high is required to the air-tightness of water pump, and auxiliary equipment is more, and complicated, fault rate is high, the longevity
Order short.
In summary, the startup that how to solve the water pump generally existing of the multistage drainage system of existing mining 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.
Utility model content
The purpose of this utility model is to provide a kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction, with solution
State the problem of prior art is present, make the starting mode of pump of centrifugation multistage drainage system faster, the life-span is longer, fault rate is lower.
To achieve the above object, the utility model provides following scheme：The utility model provides a kind of chopped-off head subduction
The complete efficient mining centrifugal multistage pump station of malleation, including be sequentially communicated by pipeline chopped-off head submersible pump section, centrifugal multistage pump multiple centrifugal pump and on
Sump, the chopped-off head submersible pump section are placed under the liquid level of lower sump, and the centrifugal multistage pump multiple centrifugal pump is connected with a speed regulator, the tune
Fast device and a motor connection, water-level gauge, chopped-off head submersible pump section, speed regulator, motor and the water level are provided with the lower sump
Meter is connected with a switch board.
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, second pressure gauge is provided with the pipeline that the centrifugal multistage pump multiple centrifugal pump connects with the upper sump.
Preferably, gate valve is provided with the pipeline that the centrifugal multistage pump multiple centrifugal pump connects with the upper sump.
Preferably, non-return valve is provided with the pipeline that the centrifugal multistage pump multiple centrifugal pump connects with the upper sump.
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 utility model 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 utility model is by the first stage impeller of mining multistage pump
And the pump housing, with other rear class pump housing separate designs, by connecting line, the easy impeller extension subduction for producing negative pressure cavitation is existed
Below the liquid level of break cistern, 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 from damaging, reduce mechanical oscillation, bearing and load surface is reduced abrasion and mechanical fatigue, extend more
The service life of level pumping plant.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
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 utility model；
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 gauge, 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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As shown in figure 1, the utility model 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
Connected by pipeline 5, chopped-off head submersible pump section 1 is placed under the liquid level of lower sump 2, first when chopped-off head submersible pump section 1 is flooded under water
Import to the liquid level of lower sump 2 of level submersible pump section 1 has certain height, can so have in the entrance of chopped-off head submersible pump section 1
Certain hydraulic pressure, the malleation of the entrance of this hydraulically-formed chopped-off head submersible pump section 1, ensure the malleation moisturizing of chopped-off head submersible pump section 1.
The purpose of the subduction of chopped-off head submersible pump section 1 is to eliminate negative pressure, prevents cavitation from producing, and increases import rate of water make-up, improves pump efficiency, keeps away
Exempt from mechanical oscillation, reduced abrasion and the mechanical fatigue of bearing and load surface, ensure mining multistage pump station longtime running.It is secondary
The malleation of import at pump section impeller is the pressure of the impeller outlet of chopped-off head submersible pump section 1, 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, cabinet control frequency converter frequency conversion adjustment chopped-off head submersible pump is started by frequency control
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 connects.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, the real-time display of flowmeter 3 are provided with the pipeline 5 that chopped-off head submersible pump section 1 is connected with centrifugal multistage pump multiple centrifugal pump 8
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 connect
Second pressure gauge 12, second pressure gauge 12 are 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 prevented from driving pipeline 5 to rock when chopped-off head submersible pump section 1 from working, influences 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 utility model is opened, start chopped-off head subduction first
The motor of pump section 1, water is full of pump chamber, then start the motor 13 of secondary and later pump, start whole pump group.During termination of pumping,
The motor 13 of secondary and later pump is first shut off, turns off the motor of chopped-off head submersible pump section 1.
Apply specific case in the utility model to be set forth principle of the present utility model and embodiment, the above
The explanation of embodiment is only intended to help and understands method and its core concept of the present utility model；Meanwhile for the one of this area
As technical staff, according to thought of the present utility model, there will be changes in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to limitation of the present utility model.
Claims (9)
- A kind of 1. 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 more 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 according to claim 1, it is characterised in that：The head First pressure table is provided with the pipeline that level submersible pump section is connected with the centrifugal multistage pump multiple centrifugal pump.
- 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 more Second pressure gauge is provided with the pipeline that level centrifugal pump connects with the upper sump.
- 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 more Gate valve is provided with the pipeline that level centrifugal pump connects with the upper sump.
- 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 more Non-return valve is provided with the pipeline that level centrifugal pump connects with the upper sump.
- 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 |
|---|---|---|---|
| CN201720696335.0U CN206987884U (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 |
|---|---|---|---|
| CN201720696335.0U CN206987884U (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 |
|---|---|
| CN206987884U true CN206987884U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720696335.0U Expired - Fee Related CN206987884U (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 |
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| Country | Link |
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| CN (1) | CN206987884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035404A (en) * | 2017-06-15 | 2017-08-11 | 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 CN201720696335.0U patent/CN206987884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035404A (en) * | 2017-06-15 | 2017-08-11 | 张昱朔 | A kind of efficient mining centrifugal multistage pump station of the full malleation of chopped-off head subduction |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20190615 |