CN101943010A - Remote-monitoring high pressure water injection system - Google Patents

Remote-monitoring high pressure water injection system Download PDF

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Publication number
CN101943010A
CN101943010A CN 201010283444 CN201010283444A CN101943010A CN 101943010 A CN101943010 A CN 101943010A CN 201010283444 CN201010283444 CN 201010283444 CN 201010283444 A CN201010283444 A CN 201010283444A CN 101943010 A CN101943010 A CN 101943010A
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CN
China
Prior art keywords
high pressure
water
injecting pump
water injection
water injecting
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Pending
Application number
CN 201010283444
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Chinese (zh)
Inventor
武予鲁
翟源涛
田富军
郑企
李国旗
于聚旺
仝矿伟
王英璞
兀帅东
李莉
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Yima Coal Industry Group Co Ltd
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Yima Coal Industry Group Co Ltd
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Application filed by Yima Coal Industry Group Co Ltd filed Critical Yima Coal Industry Group Co Ltd
Priority to CN 201010283444 priority Critical patent/CN101943010A/en
Publication of CN101943010A publication Critical patent/CN101943010A/en
Pending legal-status Critical Current

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Abstract

The invention provides an unattended and remote-monitoring automatic control high pressure water injection system. The system comprises at least two water injection pumps, a water tank, controllers and a monitoring system, wherein a liquid returning and precipitating cavity, a liquid supply cavity and a high pressure cavity are formed in the water tank; each water injection pump is connected with the high pressure cavity, the liquid returning and precipitating cavity and the liquid supply cavity through a high pressure hose, a liquid returning hose and a liquid suction hose respectively; each water injection pump and the water tank are provided with a working condition sensor respectively; the output end of the working condition sensor is connected with the controllers; the controllers are connected to and control each water injection pump; the monitor system comprises a camera and a monitor; the camera which is arranged on a working surface and shoots the working conditions of the working surface and each water injection pump is connected with the monitor in a controller room.

Description

Remote monitoring high pressure water injection system
Technical field
The present invention relates to a kind of high-pressure water injecting pump station, be applicable to the hydraulic system of colliery comprehensive mechanical coal mining work plane.
Background technology
In the comprehensive mechanical coal mining process of colliery, water flooding pump station is an indispensable power source in the coal-face hydraulic system.Water injecting pump is used for coal-face, and for hydraulic support etc. provides working solution, operating principle drives plunger by the rotation of bent axle and moves reciprocatingly, and realizes imbibition and discharge opeing.Hydraulic support is used for roof supporting, and certain space is provided when mining for coal-winning machine, prevents that top board from collapsing.Hydraulic support supports flexible (, medium difference identical with the jack principle) by hydraulic cylinder.
Existing water flooding pump station is not also realized remote monitoring, and water flooding pump station also needs its operation of Artificial Control.Because water flooding pump station is the work plane that is rich in gas, dust by being installed in, from improving safety, reducing working strength of workers and have in mind, need a kind of safe and reliable, unmanned, can remote monitoring water flooding pump station.
Summary of the invention
Purpose of the present invention provide a kind of unmanned, can remote monitoring automatic control high pressure water injection system.
This remote monitoring high pressure water injection system comprises at least 2 water injecting pumps, and 1 water tank, controller and surveillance have back liquid precipitate chamber, feed flow chamber, high pressure chest in the water tank; Each water injecting pump and high pressure chest, return between liquid precipitate chamber, the feed flow chamber and be connected by high-pressure hose, return flexible hose and pipetting hose respectively; Each water injecting pump and water tank are provided with the duty sensor, and the output of duty sensor connects controller; Controller connects each water injecting pump of control; Surveillance comprises camera, monitor; Being installed in the camera that work plane and each water injecting pump working condition are made a video recording at work plane place links to each other with monitor in the control room.
Above-mentioned remote monitoring high pressure water injection system, camera is with the infrared pick-up head of explosion-proof cage chair or with the camera of explosion-proof shot-light.
Above-mentioned remote monitoring high pressure water injection system, the duty sensor comprises lubricating oil temperature sensor, lubrication oil level sensor and the lubricant pressure sensor that is arranged on each water injecting pump; And, be arranged in the feed flow chamber liquid level sensor, be arranged in the high pressure chest system pressure sensor with fluid pressure in the reflection high pressure chest with reflection feed flow intraluminal fluid position height.
Above-mentioned remote monitoring high pressure water injection system is provided with float valve in the feed flow chamber; When feed flow intraluminal fluid face was lower than normal height, ball float sank by deadweight, and the spool in the float valve is opened, and this moment, water can enter the feed flow chamber; When liquid level reached normal height, ball float floated by buoyancy, and spool is closed, and made the water source close.
Above-mentioned remote monitoring high pressure water injection system, one is 2 for a water injecting pump, certainly, water tank also can connect 3 water injecting pumps.
Above-mentioned remote monitoring high pressure water injection system, water injecting pump is the horizontal five plunger reciprocating pumps that driven by flame-proof electric motor.
Beneficial effect: be installed in the camera that work plane and each water injecting pump working condition are made a video recording at work plane place and link to each other, realize remote-controlled operation control with monitor in the control room.
The camera that disposes in the surveillance is installed in work plane, image is sent to control room (Master Control Room) in real time, reaches the working condition of remote monitoring work plane and pumping plant, thereby has improved safety, reduce working strength of workers, accomplished safe and reliable, the unmanned of pumping station operation.
Water injecting pump has forcedlubricating system, and lubricating oil temperature sensor, lubricant pressure sensor, lubrication oil level sensor are installed in the system, is used for the various parameters of lubricating system are measured.System on the water tank (working solution) pressure sensor, liquid level sensor.After controller configured pressure stage, water injecting pump automatically started and stops, and pressure increases water injecting pump when being lower than the pressure of setting, reduces water injecting pump when pressure is higher than the pressure of setting, makes face pressure remain on the pressure stage of setting always.The system pressure sensor is measured the pressure that removes work plane, and controller judges whether to start/stop an other water injecting pump pump in view of the above, realizes energy conservation and the purpose of controlling automatically.
Liquid level sensor is measured the liquid level in the water tank, gives controller to the result who measures and calculates, if when liquid level is reduced to the minimum liquid level of setting, controller starts automatic liquid matching device, the feed flow chamber fluid infusion in the feed tank; When liquid level rose to the highest liquid level of setting, controller stopped feed liquor.Among the present invention, each sensor all is connected with controller by holding wire.
The available kind of controller is a lot, and for example PLC+ industrial computer system etc. is not described in detail.
Description of drawings
Fig. 1 is the control principle figure of remote monitoring high pressure water injection system;
Fig. 2 is the structure block diagram of remote monitoring high pressure water injection system.
Among the figure, water injecting pump 1,2; Infrared pick-up head 3; Water tank 4; Controller 5; Monitor 6; High- pressure hose 7,8; Return flexible hose 10,11; Pipetting hose 13,14.
The specific embodiment
Referring to Fig. 1, this remote monitoring high pressure water injection system comprises 2 water injecting pumps, 1 water tank, controller and surveillance.Be connected by high-pressure hose, return flexible hose and pipetting hose respectively between each water injecting pump and the water tank.Liquid precipitate chamber, feed flow chamber, high pressure chest are arranged back in the water tank.
Water injecting pump and water tank are provided with the duty sensor: the lubricating oil temperature sensor that all is provided with on each water injecting pump, lubricant level sensor and lubricant pressure sensor.Lubricating oil temperature sensor and lubricant pressure sensor level are installed; The lubrication oil level sensor is vertically installed.Liquid level sensor is arranged in the feed flow chamber with reflection feed flow intraluminal fluid position height, and the system pressure sensor is arranged in the high pressure chest with fluid pressure in the reflection high pressure chest.Y-type filter communicates with the feed flow chamber, is used to filter the liquid of carrying in the feed flow chamber.
Controller connects described duty sensor; Controller connects each pump of control and automatic liquid matching device.In the feed flow chamber, float valve is set; When feed flow intraluminal fluid face was lower than normal height, ball float sank by deadweight, and the spool in the float valve is opened, and this moment, water can enter the feed flow chamber; When liquid level reached normal height, ball float floated by buoyancy, and spool is closed, and made the water source close.
Surveillance comprises infrared pick-up head 3, monitor 6.Camera is installed in the work plane place, with making a video recording to work plane and each water injecting pump working condition; Camera links to each other with monitor in the control room.Display screen links to each other with controller.
This system realizes centralized Control except that monitoring and control, realize the pumping plant key data to be transmitted at a distance by ModbusRTU (Slave) communication protocol the interlock to every water injecting pump on the spot.
This pumping station system can be installed in and be rich in gas, dust work plane, and from improving safety, reducing working strength of workers and have in mind, design safety is reliable, unmanned, remote monitoring.The infrared pick-up head of long distance control system configuration is installed in work plane, and image is sent to Master Control Room in real time, reaches the working condition of remote monitoring work plane and pumping plant.
Water injecting pump is horizontal five plunger reciprocating pumps, drive by horizontal four utmost point flame-proof electric motors of three-phase alternating current, slow down through shaft coupling and a pair of helical gears, drive five crank throw crankshaft rotating, it is reciprocating to drive plunger through connecting rod slider (cross head) again, make hydraulic fluid suck and discharge, thereby make electric energy convert the hydraulic pressure energy to, the output highly pressurised liquid through suction, tapping valve.The high-pressure safety valve of adjusting is equipped with in the high pressure discharge opeing exit of pump, thereby has guaranteed the reliability of hydraulic work system.Safety valve is little stroke spring-loaded safety valve, is used to prevent the hydraulic system overload.
Water tank is the memory of remote monitoring high pressure water injection system works medium, plays a part recovery system and overflows back liquid and precipitation, filtration, provides clean working solution to pumping plant.The structure of water tank is divided back liquid precipitate chamber, feed flow chamber, high pressure chest.The water source enters in the water tank through y-type filter and feed liquor float valve, enters go back to the liquid precipitate chamber, and precipitation is fine impurity and every suspension firmly down, filter fibrous and non-metal particle through the board plug type strainer again, last clean working solution enters the feed flow chamber, by the feed flow valve, sucks use for each pump.The effect of float valve: when liquid level was lower than normal height, ball float sank by deadweight, and the spool in the valve is drawn back to the right, and this moment, water can enter water tank; When liquid level reached normal height, ball float floated by buoyancy, and spool is closed, and made the water source close, thereby reached the purpose of liquid level in the water tank.
The use of controller can increase substantially the reliability and the service efficiency of pumping plant; make energy saving in pumping station about 35%; and to pumping plant provide low oil level, oil temperature too high, inhale empty protection, interlock more than two machines, work plane shows without liquid autostop, system's booster autostop, fault with liquid Auto Power On, work plane and provide functions such as troubleshooting methodology by the help hurdle, has realized the automatic control of pumping station operation.
The setting of operating pressure in the system, it is fixed to come according to the actual conditions in each ore deposit, but must not surpass the design work pressure of pumping plant.System limits pressure is to the protection after the pumping plant safety valve fault, and it is to be slightly larger than design work pressure that maximum is provided with numerical value.
Press ' program ' button on the display control panel, can adjust the pumping plant duty, every shake-up once changes once, and DISPLAY ORDER is " unit ", " 1# main frame ", " 2# main frame ", " manually ".
Press " 1# main frame " on the control panel during manual state, water injecting pump 1 starts, and by water injecting pump 1 button, water injecting pump 1 stops again, and the display frame meeting is done corresponding startup-shutdown and shown.In like manner can start or stop water injecting pump 2.
System's automatic diagnosis reason that is out of order when water injecting pump 1 breaks down, and on display screen with the form of roll titles, the fault that takes place is illustrated.In like manner above-mentioned demonstration appears in water injecting pump 2 Shi Douhui that breaks down, and after fixing a breakdown, restarts machine, and picture can show initial picture.If two pumps shows fault simultaneously, at this moment be the system failure, as inhale empty protection, booster protection.The literal of reporting to the police can appear in this moment, according to the prompting of warning literal, restarts the machine picture after fixing a breakdown and gets back to initial picture.
During unit, water injecting pump 1, water injecting pump 2 equal unit operations, dosing is carried out automatically.Dosing motor button, dosing electromagnetic valve button are all inoperative.
When ' 1# main frame ' appearred in the upper left corner of picture, water injecting pump 1 was a main frame, and water injecting pump 2 is a slave.When system pressure does not reach rated value in the delay time of setting after the main frame start, start water injecting pump 2 automatically, at this moment two pumps moves simultaneously.When system pressure reaches rated value, excise water injecting pump 2 automatically earlier, excise main frame at last.Liquid mixing system moves automatically.Water injecting pump 2 in like manner can be set respectively be main frame, operating principle is same as above.
Parameters such as system limits pressure, the setting of dosing concentration, lubricating oil temperature scope, lubricating oil pressure scope, unit shutdown time-delay can also be set by display screen.(time can be provided with in 4000s) do not reach higher limit in the time that pressure after the start of water injecting pump main frame is being set, and starts second water injecting pump automatically.After reaching higher limit, system pressure, can close second pump automatically in 4000s until main frame through the time-delay (time can be provided with) of certain hour.
System pressure meets or exceeds set booster pressure in 60s after the pump start, and then picture shows " system does not have booster ".System pressure does not reach set booster pressure in 60s after the pump start, and then picture shows " there is booster in system ".All all fail to starts of water injecting pump after booster takes place, the dosing motor, the dosing electromagnetic valve can start and stop.
When the liquid level in water tank feed flow chamber was higher than the position that sets, system showed " system does not have the sky of suction "; When the liquid level in feed flow chamber was lower than the position that sets, system showed " there is the sky of suction in system ", and this moment, all water injecting pumps all can not start, but the dosing motor, the dosing electromagnetic valve can start, and stops.
Water injecting pump 1 lubrication oil shows that when oil starvation not oil level is normal, if lubricated oil level drops to more than the 4mm of institute's detecting position, then shows " water injecting pump 1 oil level fault ".At this moment water injecting pump 1 autostop can not start.But water injecting pump 2 can start, stop.All can as above-mentionedly make demonstration when in like manner water injecting pump 2 oil levels are lower than detecting position.The dosing motor, the dosing electromagnetic valve can start, stop.
Water injecting pump 1 lubricating oil temperature is being no more than demonstration in limited time on the oily temperature that sets " water injecting pump 1 oil temperature is normal ", if after lubricating oil temperature surpasses the oily temperature upper limit 5s of setting, then show " water injecting pump 1 oily reviewing knowledge already acquired barrier ".At this moment water injecting pump 1 autostop, can not start, but water injecting pump 2 can start, stop.In like manner water injecting pump 2 oily temperature are higher than when setting value and all can as above-mentionedly make demonstration.The dosing motor, the dosing electromagnetic valve can start, stop.
Water injecting pump 1 starts back 5s lubrication pressure and shows " water injecting pump 1 oil pressure is normal " down in limited time above the oil pressure that sets, if lubrication pressure is no more than the oil pressure lower limit of setting, shows then " water injecting pump 1 oil pressure fault " that at this moment water injecting pump 1 autostop can not start.But water injecting pump 2 can start, stop.In like manner water injecting pump 2 oil pressure are lower than when setting value and all can as above-mentionedly make demonstration.The dosing motor, the dosing electromagnetic valve can start, stop.
3 infrared pick-up heads of configuration are installed in work plane, install by fixed support for 2, manually adjust monitoring direction; 1 infrared pick-up head is installed on the explosion-proof cage chair, and controller also links to each other remote controlled its 360 ° of revolutions with the motor that drives explosion-proof cage chair rotation.3 infrared pick-up heads all have explosion-proof shot-light.The image of 3 infrared pick-up head shootings is sent to Master Control Room in real time, reaches the working condition of remote monitoring work plane and pumping plant.This system realizes centralized Control except that monitoring and control, realize the pumping plant key data to be transmitted at a distance by ModbusRTU (Slave) communication protocol the interlock to every water injecting pump on the spot.
Controller is monitored the liquid level in feed flow chamber, if when working solution is reduced to the minimum liquid level of setting in the feed flow chamber, controller starts automatic liquid matching device, feed tank fluid infusion; When working solution rose to the highest liquid level of setting, controller stopped the automatic liquid matching device.The enabling signal that the automatic liquid matching device is given according to controller starts the dosing electromagnetic valve, when current, discharge is calculated, and starts the emulsification oil pump according to result of calculation.When current are big, the motor speed height of emulsification oil pump, current hour, the motor speed of emulsification oil pump is low, can be according to the ratio of the setting concentration that automatically adjust.When controller provided stop signal, the dosing electromagnetic valve quit work, and when water pipe did not have current, promptly anhydrous state then stopped the work of automatic liquid matching device.
The inlet of water injecting pump links to each other with the feed flow chamber by pipetting hose respectively; Liquid outlet links to each other with high pressure chest by high-pressure hose, behind high pressure filter, is going work plane to use, and removes the working solution of the high-pressure work liquid of work plane for cleaning.The relief circuit of water injecting pump feather valve has offloading pipeline (being return flexible hose) to get back in the water tank.Lubricant level sensor on the water injecting pump, lubrication oil oil temperature sensor are connected with controller by bus cable with the lubrication oil oil pressure sensor.Liquid level sensor on the water tank, system pressure sensor are connected with controller by cable.Controller decomposes, compares, calculates the signal of each sensor and result transmission is arrived host computer.When water injecting pump is worked, with working solution sucking-off from water tank, after regulating, pressure is connected to water tank through high pressure liquid outlet and high-pressure hose again by pipette; High pressure filter, accumulator are installed on the water tank, and highly pressurised liquid uses for work plane after the voltage stabilizing after filtration.The highly pressurised liquid that uses on the work plane cleans, and is pure, adopts pillar effect is preferably arranged protecting to combine.
This remote monitoring high pressure water injection system has multi-machine interaction, work plane with liquid Auto Power On, the work plane function without the liquid autostop, has increased substantially the service efficiency of pumping plant, makes energy saving in pumping station about about 35%.And have fault diagnosis, transfer of data, water tank and inhale functions such as empty protection, system's booster autostop, pump lubricating oils oil level and oil pressure and the warm protection of oil.Display screen can show the trouble point that pumping plant operating mode and automatic diagnosis go out in real time, and method of fixing a breakdown etc. can be provided, for the operation and maintenance of pumping plant provides a great convenience.The automatic control of pumping station operation, safe and reliable, unmanned, remote monitoring have been realized, for colliery modernization coal winning technology provides powerful guarantee.

Claims (6)

1. remote monitoring high pressure water injection system, it is characterized in that: it comprises at least 2 water injecting pumps, 1 water tank, controller and surveillance have back liquid precipitate chamber, feed flow chamber, high pressure chest in the water tank; Each water injecting pump and high pressure chest, return between liquid precipitate chamber, the feed flow chamber and be connected by high-pressure hose, return flexible hose and pipetting hose respectively; Each water injecting pump and water tank are provided with the duty sensor, and the output of duty sensor connects controller; Controller connects each water injecting pump of control; Surveillance comprises camera, monitor; Being installed in the camera that work plane and each water injecting pump working condition are made a video recording at work plane place links to each other with monitor in the control room.
2. remote monitoring high pressure water injection as claimed in claim 1 system is characterized in that: camera is with the infrared pick-up head of explosion-proof cage chair or with the camera of explosion-proof shot-light.
3. remote monitoring high pressure water injection as claimed in claim 1 system, it is characterized in that: the duty sensor comprises lubricating oil temperature sensor, lubrication oil level sensor and the lubricant pressure sensor that is arranged on each water injecting pump; And, be arranged in the feed flow chamber liquid level sensor, be arranged in the high pressure chest system pressure sensor with fluid pressure in the reflection high pressure chest with reflection feed flow intraluminal fluid position height.
4. remote monitoring high pressure water injection as claimed in claim 1 system is characterized in that: in the feed flow chamber float valve is set; When feed flow intraluminal fluid face was lower than normal height, ball float sank by deadweight, and the spool in the float valve is opened, and this moment, water can enter the feed flow chamber; When liquid level reached normal height, ball float floated by buoyancy, and spool is closed, and made the water source close.
5. remote monitoring high pressure water injection as claimed in claim 1 system, it is characterized in that: water injecting pump is 3.
6. remote monitoring high pressure water injection as claimed in claim 1 system is characterized in that: the horizontal five plunger reciprocating pumps of water injecting pump for being driven by flame-proof electric motor.
CN 201010283444 2010-09-15 2010-09-15 Remote-monitoring high pressure water injection system Pending CN101943010A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110821491A (en) * 2019-11-10 2020-02-21 徐州秩润矿山设备科技有限公司 Wireless control's coal seam high pressure water injection car
CN113867251A (en) * 2021-10-09 2021-12-31 贵州盘江矿山机械有限公司 Ground centralized control system of liquid distribution station

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2731089Y (en) * 2004-09-08 2005-10-05 中国石油天然气股份有限公司 Monitor for water injection system
CN101328797A (en) * 2008-06-26 2008-12-24 胜利油田胜利动力机械集团有限公司 Remote monitoring apparatus of natural gas machine water injection system
CN201771520U (en) * 2010-09-15 2011-03-23 义马煤业集团股份有限公司 Remote monitoring high-pressure water injection system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2731089Y (en) * 2004-09-08 2005-10-05 中国石油天然气股份有限公司 Monitor for water injection system
CN101328797A (en) * 2008-06-26 2008-12-24 胜利油田胜利动力机械集团有限公司 Remote monitoring apparatus of natural gas machine water injection system
CN201771520U (en) * 2010-09-15 2011-03-23 义马煤业集团股份有限公司 Remote monitoring high-pressure water injection system

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《农业机械学报》 20060430 邓鸿英等 油田高压注水泵站节能监控***设计 167-168 1-6 第37卷, 第4期 2 *
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110821491A (en) * 2019-11-10 2020-02-21 徐州秩润矿山设备科技有限公司 Wireless control's coal seam high pressure water injection car
CN113867251A (en) * 2021-10-09 2021-12-31 贵州盘江矿山机械有限公司 Ground centralized control system of liquid distribution station

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Application publication date: 20110112