CN102489214A - Automatic proportioning system for coal mine emulsion pump station - Google Patents
Automatic proportioning system for coal mine emulsion pump station Download PDFInfo
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- CN102489214A CN102489214A CN2011104508495A CN201110450849A CN102489214A CN 102489214 A CN102489214 A CN 102489214A CN 2011104508495 A CN2011104508495 A CN 2011104508495A CN 201110450849 A CN201110450849 A CN 201110450849A CN 102489214 A CN102489214 A CN 102489214A
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Abstract
The invention discloses an automatic proportioning system for a coal mine emulsion pump station, which belongs to the field of coal mine equipment. The system comprises a centrifugal pump solenoid valve, a water supply solenoid valve and a PLC system and further comprises an emulsion box, an upper liquid level switch, a lower liquid level switch, a centrifugal pump and a metering pump, wherein the emulsion box is connected with a feed flow pipeline through a connecting pipe which is installed below the lower liquid level switch, the upper liquid level switch is arranged at an upper part in the emulsion box and is connected with the PLC system through electric signals, the lower liquid level switch is provided at the lower part in the emulsion box and is connected with the PLC system through electric signals, the centrifugal pump is arranged on the feed flow pipeline located at the downstream of the centrifugal pump solenoid valve and is connected with the PLC system through electric signals and the metering pump is arranged on an oil supply pipeline. The automatic proportioning system for a coal mine emulsion pump station has high precision in emulsification proportioning, enables proportioned emulsion to meet concentration requirements of coal mine equipment, is stable and reliable and has a long service life.
Description
Technical field
The present invention relates to a kind of pumping plant automatic mixing system, specifically is that the emulsion power pack automatic mixing system is used in a kind of colliery, belongs to the coal mine equipment field.
Background technology
Reinforcement, the hydraulic technique technological along with coal mining reach its maturity, and the large number quipments in colliery has adopted hydraulic technique, and in order to realize environmental protection, a lot of equipment adopt the emulsion hybrid technologies to replace hydraulic oil.Existing concentration of emulsion used proportion technique mainly adopts Artificial Control or fluidics, and distributing precision is low, does not reach the concentration that the colliery requires, and can cause the damage to proportioning equipment simultaneously, reduces the service life of proportioning equipment.For above-mentioned reasons, cause these existing proportion techniques under coal mine, not to be fully used.
Summary of the invention
Problem to above-mentioned prior art existence; The present invention provides a kind of colliery to use the emulsion power pack automatic mixing system, and this system's emulsification distributing precision is high, and the emulsion of allotting can reach the concentration that coal mine equipment requires; Simultaneously, reliable and stable, the long service life of matching system.
To achieve these goals, the technical scheme of the present invention's employing is: the emulsion power pack automatic mixing system is used in a kind of colliery, comprises centrifugal pump magnetic valve, water supply electromagnetic valve and PLC system; Also comprise emulsion box, last liquid-level switch, following liquid-level switch, centrifugal pump and measuring pump; Emulsification tank is connected through tube connector with feed liquid pipeline, and the tube connector installation site is below following liquid-level switch, and last liquid-level switch is arranged on the top of emulsion box inside; Be connected with PLC system telecommunications; Following liquid-level switch is arranged on the inner below of emulsion box, is connected with PLC system telecommunications, and centrifugal pump is arranged on the feed liquid pipeline in centrifugal pump magnetic valve downstream; Be connected with PLC system telecommunications, measuring pump is arranged on the oil supply pipe.
The invention has the beneficial effects as follows: this system is through the accurate fluid injection concentration of measuring pump, emulsion reached meet the concentration of coal mine equipment requirement; Receive liquid-level switch signal and control magnetic valve up and down through the PLC system simultaneously; Make whole system form a closed-system; And oil temperature, the oil pressure of work pumping plant, the operational factor of motor read and arbitration functions, on display screen, make and showing and warning, thereby guaranteed the reliability of equipment; Improved the service life of equipment, this proportion technique can be fully used under coal mine.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, emulsion box, 2, go up liquid-level switch, 3, liquid-level switch down, 4, centrifugal pump, 5, the centrifugal pump magnetic valve, 6, measuring pump, 7, water supply electromagnetic valve, 8, the PLC system.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
As shown in Figure 1, the emulsion power pack automatic mixing system is used in this colliery, comprises centrifugal pump magnetic valve 5, water supply electromagnetic valve 7 and PLC system 8, also comprises emulsion box 1, last liquid-level switch 2, following liquid-level switch 3, centrifugal pump 4 and measuring pump 6.Emulsion box 1 is connected through tube connector 10 with feed liquid pipeline 9, and the installation site of tube connector 10 is below following liquid-level switch 3; Last liquid-level switch 2 is arranged on the inner top of emulsion box 1, is connected with PLC system 8 signals of telecommunication; Following liquid-level switch 2 is arranged on the inner below of emulsion box 1, is connected with PLC system 8 signals of telecommunication; Liquid-level switch can adopt the float inductive switch, and preferred ultrasonic type liquid-level switch can be installed on the outer wall of emulsion box 1, avoids because the influence that extraneous factors such as the pressure in the emulsion box 1, temperature cause; Centrifugal pump 4 is arranged on the feed liquid pipeline in centrifugal pump magnetic valve 5 downstream; Measuring pump 6 is arranged on the oil supply pipe.The present invention adopts plunger type metering pump, because the plunger type metering pump metering accurately, distributing precision is high.
At work, at first first state the time, last liquid-level switch 2 do not move and down liquid-level switch 3 move, show that emulsion box is a sky.At this moment, PLC system 8 sends instruction, makes measuring pump 6 inject oil emulsion on request.Simultaneously, PLC system 8 sends instruction unpack water supply electromagnetic valve 7, and clear water is injected.At this moment, following liquid-level switch 3 has moved, and does not move but go up liquid-level switch 2.After last liquid-level switch 2 moves, show that emulsion box 1 filled with.PLC system 8 sends instruction, and water supply electromagnetic valve 7 is closed, and centrifugal pump magnetic valve 5 is opened, and opened centrifugal pump 4, and the emulsion in the case is pumped into work station.After emulsion is pumped fully, get into circulation again.Instantly liquid-level switch 3 action but when going up liquid-level switch 2 for action, show be filled with emulsion in the case but less than.At this moment, PLC system 8 sends instruction, keeps water supply electromagnetic valve 7 to close, and centrifugal pump magnetic valve 5 and centrifugal pump 4 are opened simultaneously, and the liquid in the case is thought that work station is emptied completely.Get into first state this moment, circulates.But the measuring pump 6 signalization reponse systems in the system like decoder, are connected with PLC telecommunications, realize remote monitoring.
This system is through the accurate fluid injection concentration of measuring pump, emulsion reached meet the concentration of coal mine equipment requirement; Receive liquid-level switch signal and control magnetic valve up and down through the PLC system simultaneously; Make whole system form a closed-system; And oil temperature, the oil pressure of work pumping plant, the operational factor of motor read and arbitration functions, on display screen, make and showing and warning, thereby guaranteed the reliability of equipment; Improved the service life of equipment, this proportion technique can be fully used under coal mine.
Claims (5)
1. emulsion power pack automatic mixing system; Comprise centrifugal pump magnetic valve (5), water supply electromagnetic valve (7) and PLC system (8); It is characterized in that also comprise emulsion box (1), last liquid-level switch (2), following liquid-level switch (3), centrifugal pump (4) and measuring pump (6), described emulsification tank (1) is connected through tube connector (10) with feed liquid pipeline (9); And tube connector (10) installation site is in the below of following liquid-level switch (3); The described liquid-level switch (2) of going up is arranged on the inner top of emulsion box (1), is connected with PLC system (8) signal of telecommunication, and described liquid-level switch (3) down is arranged on the below of emulsion box (1) inside; Be connected with PLC system (8) signal of telecommunication; Described centrifugal pump (4) is arranged on the feed liquid pipeline in centrifugal pump magnetic valve (5) downstream, is connected with PLC system (8) signal of telecommunication, and described measuring pump (6) is arranged on the oil supply pipe.
2. the emulsion power pack automatic mixing system is used in the described a kind of colliery of claim 1, it is characterized in that, described upward liquid-level switch (2) is the ultrasonic type liquid-level switch.
3. require 1 described a kind of colliery to use the emulsion power pack automatic mixing system, it is characterized in that, described liquid-level switch (3) down is the ultrasonic type liquid-level switch.
4. require 1 described a kind of colliery to use the emulsion power pack automatic mixing system, it is characterized in that described measuring pump (6) is a plunger type metering pump.
5. require 1 described a kind of colliery to use the emulsion power pack automatic mixing system, it is characterized in that described measuring pump (6) is provided with decoder, be connected with PLC system (8) signal of telecommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104508495A CN102489214A (en) | 2011-12-30 | 2011-12-30 | Automatic proportioning system for coal mine emulsion pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104508495A CN102489214A (en) | 2011-12-30 | 2011-12-30 | Automatic proportioning system for coal mine emulsion pump station |
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| CN102489214A true CN102489214A (en) | 2012-06-13 |
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| CN2011104508495A Pending CN102489214A (en) | 2011-12-30 | 2011-12-30 | Automatic proportioning system for coal mine emulsion pump station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289150A (en) * | 2014-09-23 | 2015-01-21 | 新汶矿业集团有限责任公司协庄煤矿 | Multi-level supply and distribution system of mine emulsion and liquid supplying method |
| CN104632256A (en) * | 2014-12-08 | 2015-05-20 | 新汶矿业集团有限责任公司 | Automatic preparation and supply system and method for emulsion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289150A (en) * | 2014-09-23 | 2015-01-21 | 新汶矿业集团有限责任公司协庄煤矿 | Multi-level supply and distribution system of mine emulsion and liquid supplying method |
| CN104632256A (en) * | 2014-12-08 | 2015-05-20 | 新汶矿业集团有限责任公司 | Automatic preparation and supply system and method for emulsion |
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Application publication date: 20120613 |