CN101858337A - Intelligent control device for mine-used emulsion pump station - Google Patents
Intelligent control device for mine-used emulsion pump station Download PDFInfo
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- CN101858337A CN101858337A CN 201010171786 CN201010171786A CN101858337A CN 101858337 A CN101858337 A CN 101858337A CN 201010171786 CN201010171786 CN 201010171786 CN 201010171786 A CN201010171786 A CN 201010171786A CN 101858337 A CN101858337 A CN 101858337A
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Abstract
The invention discloses an intelligent control device for mine-used emulsion pump station, comprising an intelligent control device master piece and an accessory, wherein the intelligent control device master piece is composed of a liquid distributing box component, a power accumulator, an output pressure sensor and a flame-proof intelligent controller; the liquid distributing box component comprises an emulsion tank, a clean water filter, a liquid distributing pump, an emulsified oil filter, a liquid distributing magnetic valve, a liquid distributing pump state sensor and an emulsified oil liquid level sensor; the accessory is composed of an emulsified liquid level sensor and a unloading electromagnetic valve; the sensor interface is connected with the emulsified liquid level sensor, and each unloading electromagnetic valve interface is connected with each control end of the unloading electromagnetic valve. The advantages of the invention lie in that by program setup of the intelligent control device component, the device realizes unloading and startup of an emulsion pump, achieves small starting current, small grid impact and stable motor startup, ensures accurate concentration proportioning for emulsion, lowers the cost, prolongs the service life of the emulsion pump, and has reasonable structure, simple appearance and convenient inlet and outlet lines.
Description
Technical field
The present invention relates to a kind of intelligent control device for mine-used emulsion pump station, be used for intelligent control mine-used emulsion pump station.
Background technique
Current society enters " low-carbon economy " epoch, and energy-conservation and environmental protection more and more is subject to people's attention.Coal Production, safety are the sky.In order to ensure production safety, it all is running continuously in 24 hours that many downhole safety equipment are arranged, and the emulsion power pack of power is provided such as the hydraulic support for coal-face.Long-term continuous operation not only consumes a large amount of electric energy, and system is generated heat in a large number, and long-time high pressurized overflow has strengthened the mechanical wear of equipment and shortened working life, has also increased equipment and personnel's potential safety hazard simultaneously.Artificial dosing operation also makes the concentration of emulsion used proportioning inaccurate easily, thereby the hydraulic support of harm working surface shortens its rate of fault increase, working life.
At present, such status of equipment colliery ubiquity throughout the country.And the cost that adopts the intelligent pumping station system of new frequency conversion type too high (be existing pumping plant several times), and to eliminate old equipment, cause the very big waste on the resource.
Summary of the invention
The present invention aims to provide a kind of intelligent control device for mine-used emulsion pump station, and the equipment work intensity that exists with the solution prior art is big, power consumption is high, rate of fault is high, working life is short, have potential safety hazard; And artificial dosing is inaccurate, causes the problem of system's corrosion easily.Reach energy-saving and cost-reducing, improve system reliability and prolong the purpose of service life of equipment greatly.
Technological scheme of the present invention is: comprise intelligence controlling device main part and annex, described intelligence controlling device main part comprises the dispensing box assembly, accumulator, pressure sensor output and flame-proof intelligent controller, this dispensing box assembly comprises emulsion tank, clear water filter, the dosing pump, the oil emulsion filter, the dosing solenoid valve, dosing pump state sensor and oil emulsion liquid level sensor, the oil-in of dosing pump is connected with emulsion tank by the oil emulsion filter, one clear water inlet is connected with the water inlet of dosing solenoid valve with the dosing pump by the clear water filter of series connection, and this dosing delivery side of pump exports as emulsified liquid; At this dosing pump dosing pump state sensor is housed, the oil emulsion liquid level sensor is installed on this emulsion tank, this dosing pump state sensor, oil emulsion liquid level sensor and pressure sensor output are connected with the different input ends of flame-proof intelligent controller respectively, and another input end of this flame-proof intelligent controller is as sensor interface; An output terminal of this flame-proof intelligent controller is connected with the control end of this dosing solenoid valve, and many each to other output terminals of this flame-proof intelligent controller are respectively emulsion pump control interface and unloading solenoid valve interface to output terminal; This pressure sensor output is connected with the interface of accumulator and as pressure export pipeline interface;
This annex comprises the emulsified liquid liquid level sensor and is connected the unloading solenoid valve of each emulsion pump outlet of mine-used emulsion pump station, the sensor interface of described flame-proof intelligent controller is connected with this emulsified liquid liquid level sensor, and the control end of this unloading solenoid valve of unloading solenoid valve interface and each of each described flame-proof intelligent controller is connected.
It is the control core device that described flame-proof intelligent controller adopts with the programmable logic controller (PLC), and is installed in the flame proof housing, is provided with function key on the flame proof housing of this flame-proof intelligent controller.
The invention has the beneficial effects as follows: this device has realized that by the program setting of PLC the unloading of emulsion pump starts, and it is little to have reached inrush current, and little to the electrical network impact, the motor smooth starting is effectively protected motor; Accurate dosing pump is combined with sensor transformation, guaranteed the accurate proportioning of concentration of emulsion used, reduced the high price input of mining concentration sensor; In use realize the reasonable disposition of many pumps one case, distribute every pump operation time automatically, prolong the working life of emulsion pump; Automatically the operating time of each pump of record emulsified liquid, require to show power savings according to work on the spot; Rational in infrastructure, outward appearance is simple and easy, and the turnover circuit is convenient.
Description of drawings
Fig. 1 is an overall formation schematic representation of the present invention;
Fig. 2 is a form structure plan view of the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the circuit diagram of flame-proof intelligent controller of the present invention;
Fig. 5 is system's formation schematic representation that the present invention is applied to mine-used emulsion pump station;
Fig. 6 is the circuit connection diagram of flame-proof intelligent controller of the present invention.
Description of reference numerals: 1, the flame-proof intelligent controller, 2, the dispensing box assembly, 3, emulsion tank, 4, accumulator, 5, return liquid filter, 7, the dosing pump, 8, emulsion box, 9, function key, 10, display device, 11, first emulsion pump, 12, second emulsion pump, 13, the 3rd emulsion pump, 14, the emulsified liquid filter, 15, the oil emulsion filter, 16, pressure gauge, 17, clear water filter, 18, the pressure export pipeline, QD1, first magnetic starter, QD2, second magnetic starter, QD3, the 3rd magnetic starter, A, the clear water inlet, B, the face pressure interface, C, support backflow interface, D, the emulsified liquid outlet, E, power interface, F, pressure export pipeline interface, G, sensor interface, M1, the first emulsion pump motor, M2, the second emulsion pump motor, M3, the 3rd emulsion pump motor, V1, the first unloading solenoid valve, V2, the second unloading solenoid valve, V3, the 3rd unloading solenoid valve, V4, the dosing solenoid valve, LL, dosing pump state sensor, Pa, pressure sensor output, Pb, the emulsified liquid liquid level sensor, Pc, the oil emulsion liquid level sensor, P1, the intelligence controlling device main part, P2, the intelligence controlling device annex, K, one-way valve, Y, shuttle valve.
Embodiment
Referring to Fig. 1～Fig. 4, the present invention includes intelligence controlling device main part P1 and annex P2, described intelligence controlling device main part P1 comprises dispensing box assembly 2, accumulator 4, pressure sensor output Pa and flame-proof intelligent controller 1, this dispensing box assembly 2 comprises emulsion tank 3, clear water filter 17, dosing pump 7, oil emulsion filter 15, dosing solenoid valve V4, dosing pump state sensor LL and oil emulsion liquid level sensor Pc, the oil-in of dosing pump 7 is connected with emulsion tank 3 by oil emulsion filter 15, one clear water inlet A is connected with the water inlet of dosing pump 7 with dosing solenoid valve V4 by the clear water filter 17 of series connection, and the outlet of this dosing pump 7 exports D as emulsified liquid; At this dosing pump 7 dosing pump state sensor LL is housed, oil emulsion liquid level sensor Pc is installed on this emulsion tank 3.This dosing pump state sensor LL, oil emulsion liquid level sensor Pc are connected with the different input ends of flame-proof intelligent controller 1 respectively with pressure sensor output Pa, and another input end of this flame-proof intelligent controller 1 is as sensor interface G; An output terminal of this flame-proof intelligent controller 1 is connected with the control end of this dosing solenoid valve V4; Many each to other output terminals of this flame-proof intelligent controller 1 are respectively emulsion pump control interface (a1, a2, a3) and unloading solenoid valve interface (b1, b2, b3) to output terminal; This pressure sensor output Pa is connected with the interface of accumulator 4 and as pressure export pipeline interface F.
This annex P2 is installed on the cover emulsion box 8, the unloading solenoid valve (first～the 3rd unloading solenoid valve V1-V3) that comprises emulsified liquid liquid level sensor Pb and each emulsion pump outlet that is connected mine-used emulsion pump station, the sensor interface G of described flame-proof intelligent controller 1 is connected with this emulsified liquid liquid level sensor Pb, and the unloading solenoid valve interface b1 of each described flame-proof intelligent controller 1, b2, b3 should the corresponding connections of unloading solenoid valve V1-V3 control end with each.
It is the control core device that described flame-proof intelligent controller 1 adopts with the programmable logic controller (PLC), and is installed in the flame proof housing (referring to Fig. 2 and Fig. 3), is provided with function key 9 on the flame proof housing of this flame-proof intelligent controller 1.The critical piece of flame-proof intelligent controller 1 comprises: PLC programmable controller U1, analog amount function expanding module U2, display screen XL, auxiliary reclay K1～K7, stabilized power supply SI, A.C. contactor KD, fus RL1～RL5, air circuit breaker QF, stop button 1AT, start button 2AQ, screen switching push button QH.The conventional connection.
Referring to Fig. 5 and Fig. 6, be the present invention when using, with the supporting installation of emulsion power pack, be used to control the work of emulsion power pack.Controlled each emulsion power pack structural type is not quite similar, but similar.Generally (this embodiment is two groups to emulsion power pack by 1～3 group of emulsion pump assembly, also can increase the 3rd group as required, below be that example describes with three groups of emulsion pump assemblies), each emulsion pump assembly is made up of a magnetic starter QD, an emulsion pump and the one-way valve K that connects with this emulsified liquid delivery side of pump, is installed on the cover emulsion box 8.Three groups of emulsion pump assemblies comprise three emulsion pumps 11～13 and three magnetic starter QD1～QD3.The pumping station system that discharge capacity is bigger also has joins 3 emulsion pumps and two emulsion box, but consumption is few, and conventional is two emulsion pumps and an emulsion box, and vacant not the connecing of the 3rd cover gets final product.The output terminal of magnetic starter QD is connected with the drive motor M of emulsion pump, and the liquid sucting port of emulsion pump is connected with emulsion box 8, and the liquid port of this emulsion pump is connected with pressure export pipeline 18 by one-way valve K.
On emulsion box 8, also be provided with new proportioning emulsified liquid inlet H and return liquid interface C, in returning liquid interface C, be connected with and parallel with one another return liquid filter 5 and one and return the liquid one-way valve.Be connected with emulsified liquid filter 14 in this new emulsified liquid inlet H, this emulsified liquid inlet H is connected with emulsified liquid outlet D of the present invention by pipeline.
Pressure export pipeline interface F of the present invention is connected with an end of the pressure export pipeline 18 of pumping plant, and the other end of pressure export pipeline 18 is that pressure output is as working surface interface B.
Emulsified liquid liquid level sensor Pb of the present invention is installed on the emulsion box 8.
Three emulsion pump control interface a1, a2 of the present invention and a3 respectively with corresponding connection of " long-range " control terminal of three magnetic starter QD1～QD3 of three emulsion pumps 11～13.
The two ends of the 1st～the 3rd unloading solenoid valve V1～V3 of the present invention are connected between the discharge opeing output terminal and emulsion box 8 of three emulsion pumps 11～13.
Characteristics of the present invention are:
1) do not change the fundamental function of former emulsion power pack, on the basis of former pumping plant,, realize intelligent control by " long-range " control terminal on the former flame proof starter.And can change back " short range " control at any time, revert to original working method;
2) every pump increases the hydraulic pressure feather valve, opens the feather valve of this pump when certain pump startup automatically, and to the motor unloading, motor cuts out feather valve after reaching rotating speed, makes pumping plant smooth starting operation.The infringement that machinery when avoiding starting under load, electrical impact cause equipment and electrical network;
3) set up the larger capacity accumulator and store hydraulic pressure energy more than needed, when pump quits work,, prolong dead time, reduce frequent starting for system provides pressure;
4) carry out in good time data capture in continually varying analog amount mode.Adopt highi degree of accuracy flame proof pressure transducer, flow transducer that the major parameter (pressure, liquid level, flow) of pumping plant in service is gathered in good time, after the PLC comprehensive analysis and judgement, send control command;
5) increase positive displacement dosing pump 7, this pump need not electric drive, and by 0.03～0.6MPa clear water pressure-driven, matched proportion density can be set arbitrarily in 1～5% scope, and distributing precision is not subjected to the influence of water pressure fluctuations.Emulsified liquid is accurately proportioning control automatically, guarantees the internal environment that whole hydraulic system is good, reduces equipment failure, prolongs life of equipment;
6) adopt PLC, comprise that also the intelligence controlling device assembly controls pumping plant comprehensively, under the prerequisite that guarantees safety in production, reduce Running pump time to greatest extent, the purpose that reaches economize on electricity and reduce equipment attrition, increase the service life.Thoroughly change the running continuously in 24 hours of former pumping plant,, cause the undesirable condition of a large amount of energy wastes by relief valve control system pressure;
7) software programming uniqueness, the control program of PLC is fully expanded the PLC function, makes this control gear that original intelligent control performance be arranged.Its main feature and function are as follows:
A. automatically control mainly contains: system pressure is controlled automatically, emulsified liquid automatic control of liquid, dosing are controlled automatically, each pump operation time autobalance coupling, add pump control automatically; Main service data writes down automatically, adds up and shows; The emulsion power pack power saving rate is added up automatically, calculates, is shown; The automatic record of emulsified liquid consumption; Emulsion power pack automatic record working time; Current date, time showing;
B. have the resultant fault diagnostic function, diagnosablely go out various most common failures, and divide the rank caution, report to the police, in emergency circumstances autostop: system pressure is under-voltage, the overvoltage caution; Emulsified liquid lacks liquid, overfill caution; Oil emulsion lacks liquid, overfill caution; The frequent starting diagnosis, accumulator nitrogen leakage alarm; Dosing fault diagnosis, circuit water alarm also stop dosing; Emulsified liquid lacks liquid (inhaling empty) protection, reports to the police, shuts down; Booster diagnosis, warning, shutdown;
8) " color liquid crystal display screen, unique display frame come into plain view the running state of pumping plant to adopt 5.6; Divide 2 screens to show, first screen shows pumping station operation state (seeing picture 1): 3 simulation length bar figure show bars are arranged, represent system pressure, emulsified liquid liquid level and oil emulsion liquid level respectively; 3 have the tutorial light that Chinese character shows, represent that respectively system pressure is under-voltage, normal, overvoltage, and the emulsified liquid liquid level lacks liquid, normal, overfill, and the oil emulsion liquid level lacks liquid, normal, overfill; 1# pump, 2# pump " running ", the indication of " stopping " state, each pump continuous operation time, accumulated running time show that yesterday, power saving rate showed; Dosing pump " startup ", " stopping " state show that the dosing metering shows; The upper right of screen shows caution, warning message in " a lantern adorned with a revolving circle of paper horses " mode with different colours.Second screen shows counting statistics data (seeing picture 2): month to date, totally power saving rate demonstration always on each pump; Emulsified liquid this month, last month, always add up consumption and show; Equipment amounts to days running and shows; Amount of electricity saving formula and in good time date, time showing;
9) this device adopts market popularity, the versatile material of technology comparative maturity, components and parts.Satisfy the use of avoiding expensive raw materials under the technical requirements prerequisite as far as possible, effectively control cost, give full play to common material, device performance and function.Compared with similar products, device integral body has high cost performance.
Working principle of the present invention is:
1. pressure control circuit: at the pressure transducer Pa that goes to install on the pressure line 24 tunnel of working surface, first emulsion pump 11 (hereinafter to be referred as the 1# pump), second emulsion pump 12 (hereinafter to be referred as the 2# pump) is when satisfying condition:
1) start and stop control:
When Pa＜breakout pressure, start 1# pump (or 2# pump);
As Pa＞when stopping pressure, stop the operation of 1# pump (or 2# pump).
2) mend pump control:
Program is provided with mends pump regularly (T104) and benefit pump pressure force, regularly overtime when mending pump:
Pa＜benefit pumping pressure starts another pump 2# pump (or 1# pump);
Pa＞stop mending pumping pressure stops to mend pump operation (2# pump or 1# pump).
3) two pump equilibrium operatings:
Every pump (1# pump and 2# pump) is provided with running time counter, and the data of last time are by accumulative total, when system pressure satisfies starting condition once more after shutting down:
1# pump operation time＞2# pump operation time, start the 2# pump;
1# pump operation time＜2# pump operation time, start the 1# pump.
4) unloading starts: every pump is furnished with the feather valve that starts timer and correspondence, when the needs pump startup, open the feather valve of this pump earlier, motor cuts out feather valve after reaching rated speed, load to motor, avoid mechanical shock that the motor starting under load produces and the rush of current of electrical network.Unloading time is according to concrete setting of size of motor.
5) judgement of pumping plant frequent starting and processing: when accumulator 4 inefficacies, system pressure is with unusual fluctuations, and program is provided with unit time number of starts record, and when surpassing setting value, screen provides and " starts frequently, please check the accumulator nitrogen pressure! " warning.
2. dosing control loop: the dosing loop is made up of dosing pump 7, dosing pump state sensor LL, emulsified liquid liquid level sensor Pb, oil emulsion liquid level sensor Pc, solenoid valve V4 and emulsion tank 3 etc., finishes dosing, fluid infusion process automatically.When satisfying condition:
1) Pb＜fluid infusion liquid level, solenoid valve V4 opens, beginning dosing and to emulsion box 8 fluid infusion;
2) Pb＞stop fluid infusion, solenoid valve V4 closes, and stops dosing;
3) Pb＜scarce liquid liquid level is closed emulsion pump 11,12, and the while screen sends red alarm, and " emulsified liquid lacks liquid, system-down.Please check system! ";
4) Pb＞overfill liquid level, display device XL shows the yellow prompting of emulsified liquid " overfill ";
5) Pc＜scarce liquid liquid level is closed solenoid valve V4, stops dosing.Display device XL shows that " emulsified liquid lacks liquid, system-down in yellow warning.Please check system! ";
6) Pc＞overfill liquid level, the yellow prompting of On Screen Display oil emulsion " overfill ";
7) dosing water route fault: V4 opens when solenoid valve, and dosing starts, and sensor LL does not have signal to return, and display device shows that " the dosing fault please be checked the water route to orange caution bar! "
3. display device shows: adopt 5.6 o'clock colored man-machine interfaces, two screen displaying contents are arranged:
First screen, running state shows:
1) emulsified liquid liquid level rod figure demonstration, the demonstration of percentage numeral and emulsified liquid liquid level " normally ", " overfill ", " lacking liquid ", show;
2) pressure bar figure demonstration, pressure on the number demonstration and pressure " normally ", " overvoltage ", " under-voltage " show;
3) oil emulsion liquid level rod figure demonstration, the demonstration of percentage numeral and oil emulsion liquid level " normally ", " overfill ", " lacking liquid ", show;
4) dosing solenoid valve V4 " startup ", " stopping " showing;
5) working state of dosing pump 7 shows;
6) show each warning message in " a lantern adorned with a revolving circle of paper horses " mode;
7) running state of 1# pump: " running ", " stopping ", continuous operating time, accumulated running time, power saving rate;
8) running state of 2# pump: " running ", " stopping ", continuous operating time, accumulated running time, power saving rate.
Second screen, the service data statistics:
1) power saving rate statistics:
1# pump power saving rate last month %, always add up %
2# pump power saving rate last month %, always add up %
2) emulsified liquid consumption statistics:
This month, last month, always add up emulsified liquid consumption (liter)
3) single pump economize on electricity formula:
Amount of electricity saving (degree)=motor rated power * power saving rate (%) * 24 (hour)
4) current date, time showing
5) equipment accumulated running time:
Automatically statistics adds up days running, as long as transmission operation just has log.
4. self diagnosis, warning, caution: program has fault self-diagnosis function to system running state, analyze by information each sensor acquisition, in time find fault, and according to the urgency level of fault, use redness, yellow, orange colour to show the Chinese character alarm content in " a lantern adorned with a revolving circle of paper horses " mode respectively, guiding operation personnel fix a breakdown.Failure and special is directly shut down, and waits for that the maintenance man handles, and most of faults are without shutdown system, and fault is resumed operation after getting rid of automatically.
Show when 1) not having fault that " system works is normal! ";
2) when emulsion pump when the unit time number of starts surpasses setting value, show " to start frequently, please check the accumulator nitrogen pressure! ";
3) be lower than when lacking the liquid value when the oil emulsion liquid level, show that " oil emulsion lacks liquid, please mend oil emulsion! ";
4) open and dosing pump 7 when not working as dosing solenoid valve V4, show that " the dosing fault please be checked the water route! ";
5) be lower than when lacking liquid value (liquid level is lower than the liquid sucting port of pump) when the emulsion box liquid level, show that " emulsified liquid lacks liquid, system-down.Please check system! ";
6) when emulsified liquid lacks liquid pressure is under-voltage simultaneously, show " booster! System-down.Please check pipeline! ".
5. the dosing pump 7: high-precision fixed volume dosing pump, hydro powered need not power supply.Only need the pressure of water self just can work.Distributing precision is not subjected to influence of hydraulic pressure, as long as flow out the water of unit volume, just can allocate the oil emulsion of preset proportion into.Cut off the water and stop dosing automatically.
A. clear water working pressure: 0.03～0.6MPa
B. water flow: 10～2500L/h (the proportioning ability reaches as high as per hour 2500 liters)
C. ratio range: the 1-5% ratio of the oil emulsion (set adjustable)
The present invention can realize following functions:
1, with programmable controller (PLC), as core processor, carry out precise information and process and discriminatory analysis, realize system intelligence control;
2, high accuracy, highly reliable concentration of emulsion used proportioning. Adopt no motor-driven high-precision quantitative proportioning pump, automatically as required dosing. The matched proportion density value can be regulated arbitrarily 1～5%;
3, under the prerequisite that satisfies the required system pressure of working face and flow, reduce or stop the work of pump, save energy and reduce the cost and the extension device purpose (when pump quits work, providing system pressure by accumulator) in service life thereby reach. According to the actual operating position of coal work in the face of hydraulic system, amount of electricity saving generally can both reach more than 40%;
4, empty load of motor starts. When the needs pump work, open earlier electromagnetic unloading valve, lay down the pressure of this pump and restart motor, make this pump No Load Start, reload after reaching desired speed, make equipment work in kilter, also reduce the impact of large equipment startup to electrical network, also effectively protected motor simultaneously;
5, colorful display screen. Show the duty of hydraulic system with vivid color/graphics directly perceived, the change at random of various s main working parameters is very clear, and the result that each sensor collection signal and work present situation are calculated, analyze is with the mode alert of caveat. The Energy-saving Data random display;
6, store equipment work data and energy-conservation data more than 1 year, in order to inquiry;
7, simple to operate, intelligent degree height.Have only 3 operating buttons: " system start-up ", " system stops " and " screen switching ", everything is finished automatically;
8, outward appearance is simple and direct small and exquisite, novel and reasonable structure, and the cable leading device all comes dispensing box inside, and cable pipeline is all drawn from bottom half, thereby makes device appearance spick-and-span;
9, structure is formed simply, and engineering cost is low, and energy-saving effect is remarkable.Amount of electricity saving is according to the use condition difference at scene, generally 30～40%.With the discharge capacity for the 200L/min pumping plant is an example, adapted 125kW motor, the electricity charge of saving half a year can the Returning equipment money.
Claims (2)
1. intelligent control device for mine-used emulsion pump station, it is characterized in that, comprise intelligence controlling device main part and annex, described intelligence controlling device main part comprises the dispensing box assembly, accumulator, pressure sensor output and flame-proof intelligent controller, this dispensing box assembly comprises emulsion tank, clear water filter, the dosing pump, the oil emulsion filter, the dosing solenoid valve, dosing pump state sensor and oil emulsion liquid level sensor, the oil-in of dosing pump is connected with emulsion tank by the oil emulsion filter, one clear water inlet is connected with the water inlet of dosing solenoid valve with the dosing pump by the clear water filter of series connection, and this dosing delivery side of pump exports as emulsified liquid; At this dosing pump dosing pump state sensor is housed, the oil emulsion liquid level sensor is installed on this emulsion tank, this dosing pump state sensor, oil emulsion liquid level sensor and pressure sensor output are connected with the different input ends of flame-proof intelligent controller respectively, and another input end of this flame-proof intelligent controller is as sensor interface; An output terminal of this flame-proof intelligent controller is connected with the control end of this dosing solenoid valve, and many each to other output terminals of this flame-proof intelligent controller are respectively emulsion pump control interface and unloading solenoid valve interface to output terminal; This pressure sensor output is connected with the interface of accumulator and as pressure export pipeline interface;
This annex comprises the emulsified liquid liquid level sensor and is connected the unloading solenoid valve of each emulsion pump outlet of mine-used emulsion pump station, the sensor interface of described flame-proof intelligent controller is connected with this emulsified liquid liquid level sensor, and the control end of this unloading solenoid valve of unloading solenoid valve interface and each of each described flame-proof intelligent controller is connected.
2. intelligent control device for mine-used emulsion pump station according to claim 1, it is characterized in that, it is the control core device that described flame-proof intelligent controller adopts with the programmable logic controller (PLC), and is installed in the flame proof housing, is provided with function key on the flame proof housing of this flame-proof intelligent controller.
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| CN102493950A (en) * | 2011-12-01 | 2012-06-13 | 无锡新矿微控电子科技有限公司 | Pressure control system and method for no-load starting of emulsion pump |
| CN103890396A (en) * | 2011-10-28 | 2014-06-25 | 德卡产品有限公司 | Product dispensing system with PWM controlled solenoid pump |
| CN105240033A (en) * | 2015-09-17 | 2016-01-13 | 徐州矿务集团有限公司 | Portable multipurpose pneumatic pump station device |
| CN106988982A (en) * | 2017-04-10 | 2017-07-28 | 安徽恒源煤电股份有限公司 | A kind of emulsion liquid-feed device |
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| CN109613881A (en) * | 2018-10-31 | 2019-04-12 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of mining explosion-proof type emulsion system energy-saving protective controller |
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