CN102235348A - Centralized control system for coalmine fully-mechanized working face pump station - Google Patents
Centralized control system for coalmine fully-mechanized working face pump station Download PDFInfo
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- CN102235348A CN102235348A CN2010101677463A CN201010167746A CN102235348A CN 102235348 A CN102235348 A CN 102235348A CN 2010101677463 A CN2010101677463 A CN 2010101677463A CN 201010167746 A CN201010167746 A CN 201010167746A CN 102235348 A CN102235348 A CN 102235348A
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- 239000007788 liquid Substances 0.000 claims abstract description 111
- 239000003245 coal Substances 0.000 claims abstract description 80
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000004945 emulsification Methods 0.000 claims abstract description 18
- 239000000839 emulsion Substances 0.000 claims description 70
- 238000005065 mining Methods 0.000 claims description 39
- 238000011001 backwashing Methods 0.000 claims description 37
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000011010 flushing procedure Methods 0.000 abstract 4
- 239000003595 mist Substances 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 201000004569 Blindness Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a centralized control system for a coalmine fully-mechanized working face pump station. The centralized control system comprises a liquid level acquisition device, a first pressure acquisition device, a flow acquisition device, a pressure acquisition device group and a controller, wherein the liquid level acquisition device is connected to the controller and is arranged in an emulsified liquid inlet tank; the first pressure acquisition device is connected to the controller and is arranged at a liquid outlet of an emulsification pump; the flow acquisition device is connected to the controller and is arranged at a mist spray port of a mist spraying pump of a coal machine; the pressure acquisition device group comprises two second pressure acquisition devices, one second pressure acquisition device is connected to the controller and is arranged at a liquid outlet of a back-flushing filter, and the other second pressure acquisition device is connected to the controller and is arranged at a liquid inlet of the back-flushing filter; and the controller is connected to a switch device of the emulsification pump, a driving solenoid valve of a supply pump, a first power output device of the emulsification pump, a second power output device of the mist spraying pump of the coal machine and a back-flushing starting device of the back-flushing filter. By using the technical field provided by the invention, the aim of monitoring a pump and other relevant matched equipment in the coalmine fully-mechanized working face pump station in real time is achieved.
Description
Technical Field
The invention relates to the technical field of coal mine engineering, in particular to a centralized control system for a pump station of a fully mechanized coal mining face of a coal mine.
Background
In the prior art, various types of pumps in a coal mine fully mechanized mining face play an important role in engineering construction, wherein a coal mine fully mechanized mining face pump station mainly comprises an emulsion pump, a coal machine spray pump and related supporting equipment, such as an emulsion inlet box, a back flush filter and a supply pump for providing emulsion for the emulsion tank. In the process of realizing the invention, the inventor finds that the pump used in the fully mechanized coal mining face of the coal mine has certain breakthrough in performance, but the monitoring equipment configuration of the pump and the related matched equipment is incomplete, so that the integrated control process of the modern fully mechanized coal mining face is blocked, the overhaul time of professional workers is prolonged, and the production efficiency is influenced.
Disclosure of Invention
The invention provides a centralized control system for a coal mine fully mechanized mining face pump station, which is used for solving the technical defects that in the prior art, the maintenance time of professional workers is prolonged and the production efficiency is influenced because the monitoring equipment configuration of a pump and related supporting equipment in the coal mine fully mechanized mining face pump station is incomplete.
The invention provides a centralized control system for a coal mine fully mechanized coal mining face pump station, which comprises: the device comprises a controller, a liquid level acquisition device, a first pressure acquisition device, a flow acquisition device and a pressure acquisition device group;
the liquid level acquisition device is connected to the controller, arranged in the emulsion inlet box and used for acquiring the height information of the liquid level of the emulsion in the emulsion inlet box;
the first pressure acquisition device is connected to the controller, arranged at the liquid outlet of the emulsification pump and used for acquiring the pressure information of the emulsification liquid at the liquid outlet of the emulsification pump;
the flow acquisition device is connected to the controller, arranged at a spray nozzle of the coal spraying pump and used for acquiring spray flow information of the coal spraying pump;
the pressure acquisition device group comprises two second pressure acquisition devices; the second pressure acquisition device is connected to the controller, arranged at the liquid outlet of the backwashing filter and used for acquiring the pressure information of the liquid outlet of the backwashing filter; the other second pressure acquisition device is connected to the controller, arranged at the liquid inlet of the backwashing filter and used for acquiring the pressure information of the liquid inlet of the backwashing filter;
the controller is connected to a switching device of the emulsion pump and used for controlling the switching device according to the height information of the liquid level of the emulsion; the driving electromagnetic valve is connected with a supply pump and used for controlling the driving electromagnetic valve according to the height information of the liquid level of the emulsion, and the supply pump is used for providing the emulsion for the emulsion tank; the first power output device is connected with the emulsion pump and used for adjusting the first power output according to the emulsion pressure information; the second power output device is connected with the coal spraying pump and used for alarming the blockage of the coal spraying pump or adjusting the second power output device according to the spraying flow information; and the back washing starting device is connected with the back washing filter and used for controlling the back washing starting device according to the liquid outlet pressure information and the liquid inlet pressure information.
The centralized control system for the pump station of the fully mechanized coal mining face comprises a liquid level acquisition device, a first pressure acquisition device, a flow acquisition device and a pressure acquisition device which are respectively connected with a control device, wherein the liquid level acquisition device is arranged in an emulsion inlet box, the first pressure acquisition device is arranged at a liquid outlet of an emulsion pump, the flow acquisition device is arranged at a spray nozzle of a spray pump of a coal mining machine, one second pressure acquisition device in the pressure acquisition device group is arranged at a liquid outlet of a backwashing filter, and the other second pressure acquisition device is arranged at a liquid inlet of the backwashing filter; the technical defects that in the prior art, the maintenance time of professional workers is prolonged and the production efficiency is affected due to incomplete configuration of monitoring equipment of the pump and related supporting equipment in the coal mine fully-mechanized mining face pump station are overcome, and the purpose of monitoring the pump and the related supporting equipment in the coal mine fully-mechanized mining face pump station in real time is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a centralized control system of a coal mine fully mechanized coal mining face pump station according to the present invention;
fig. 2 is another structural schematic diagram of the centralized control system of the coal mine fully mechanized coal mining face pump station.
Detailed Description
In the invention, the inventor mainly monitors an emulsion pump and a coal machine spray pump in a coal mine fully mechanized mining working face in real time by using related supporting equipment, and adjusts related parameters according to actual requirements.
Example one
Fig. 1 is a schematic structural diagram of a centralized control system of a coal mine fully mechanized coal mining face pump station. As shown in fig. 1, the centralized control system for the pumping station of the fully mechanized mining face of the coal mine in the embodiment includes a controller 101, a liquid level collecting device 102, a first pressure collecting device 103, a flow collecting device 104, and a pressure collecting device group, where the pressure collecting device group includes a second pressure collecting device 105 and another second pressure collecting device 106; in practical applications, the liquid level collecting device 102 may be a KGU7 type drop-in liquid level sensor, and the first pressure collecting device 103 may be a KGY50 type pressure sensor; wherein,
the liquid level acquisition device 102 is connected to the controller 101, is arranged in the emulsion inlet box and acquires the height information of the liquid level of the emulsion in the emulsion inlet box; the first pressure acquisition device 103 is connected to the controller 101 and arranged at the liquid outlet of the emulsification pump, and is used for acquiring the pressure information of the emulsification liquid at the liquid outlet of the emulsification pump; the flow acquisition device 104 is connected to the controller 101, is arranged at a spray nozzle of the coal spraying pump, and acquires spray flow information of the coal spraying pump; a second pressure acquisition device 105 is connected to the controller 101 and is arranged at the liquid outlet of the backwashing filter, and is used for acquiring the pressure information of the liquid outlet of the backwashing filter; the other second pressure acquisition device is connected to the controller 101, is arranged at the liquid inlet of the backwashing filter and acquires pressure information of the liquid inlet of the backwashing filter;
the controller 101 is respectively connected with a switching device of the emulsion pump, a driving electromagnetic valve of the supply pump, a first power output device of the emulsion pump, a second power output device of the coal spraying pump and a back flush starting device of the back flush filter, wherein the supply pump is connected with the emulsion tank to provide emulsion for the emulsion tank; the controller 101 can control the switch device according to the emulsion liquid level height information, control the driving solenoid valve according to the emulsion liquid level height information, adjust the first power output power according to the emulsion liquid pressure information, alarm the blockage of the coal spraying pump or adjust the second power output device according to the spraying flow information, and control the backwashing starting device according to the liquid outlet pressure information and the liquid inlet pressure information.
The centralized control system for the pump station of the fully mechanized coal mining face of the embodiment is characterized in that a liquid level acquisition device, a first pressure acquisition device, a flow acquisition device and a pressure acquisition device are respectively connected with a control device, the liquid level acquisition device is arranged in an emulsion inlet box, the first pressure acquisition device is arranged at a liquid outlet of an emulsion pump, the flow acquisition device is arranged at a spray nozzle of a spray pump of a coal mining machine, one second pressure acquisition device in the pressure acquisition device group is arranged at a liquid outlet of a backwashing filter, and the other second pressure acquisition device is arranged at a liquid inlet of the backwashing filter; the technical defects that in the prior art, the maintenance time of professional workers is prolonged and the production efficiency is affected due to incomplete configuration of monitoring equipment of the pump and related supporting equipment in the coal mine fully-mechanized mining face pump station are overcome, and the purpose of monitoring the pump and the related supporting equipment in the coal mine fully-mechanized mining face pump station in real time is achieved.
Example two
Fig. 2 is another structural schematic diagram of the centralized control system of the coal mine fully mechanized coal mining face pump station. As shown in fig. 2, on the basis of the first embodiment,
the centralized control system for the coal mine fully-mechanized mining face pump station further comprises a display device 107, the display device 107 is connected to the controller 101, the height of the liquid level of the emulsion entering the tank can be displayed according to the height information of the liquid level of the emulsion collected by the liquid level collection device 102, the pressure of the liquid outlet of the emulsion pump is displayed according to the pressure information of the emulsion liquid collected by the first pressure collection device 103, the spraying flow of the spraying pump of the coal machine is displayed according to the spraying flow information collected by the flow collection device, and the pressure difference between the liquid outlet and the liquid inlet of the backwashing filter is displayed according to the pressure information of the liquid outlet and the pressure information of the liquid inlet respectively collected by one second pressure collection device 105 and the other second pressure collection device 106.
Further, the controller 101 includes a first control module 1011, a second control module 1012, a third control module 1013, and a fourth control module 1014, wherein,
the first control module 1011 is respectively connected with the liquid level acquisition device 102 and a switching device of the emulsion pump, and the first control module 1011 controls the switching device and the driving solenoid valve according to the height information of the liquid level of the emulsion; the second control module 1012 is respectively connected with the first pressure acquisition device 103 and the first power output device of the emulsification pump, and a worker can control the second control module 1012 to adjust the output power of the first power output device according to the pressure of the liquid outlet of the emulsification pump displayed by the display device 107, so that the liquid outlet pressure of the emulsification pump required by the coal mine fully-mechanized coal mining working face supporting system is achieved, the working efficiency of the emulsification pump is greatly improved, and meanwhile, the blindness of the constructor in the working process is reduced; the third control module 1013 is respectively connected to the flow collection device and a second power output device of the coal spraying pump, and the third control module 1013 adjusts the second power output according to the spraying flow information; the fourth control module 1014 is respectively connected to a second pressure acquisition device 105, another second pressure acquisition device 106, and the backwash starting device of the backwash filter, and the fourth control module 1014 controls the backwash starting device according to the liquid outlet pressure information and the liquid inlet pressure information. In particular, the amount of the solvent to be used,
the first control module 1011 includes a first determination unit 10111 and a first operation unit 10112, the first determination unit 10111 is connected to the liquid level collection device 102, the first operation unit 10112 is connected to the first determination unit 10111 and the switch device of the emulsion pump; the first judging unit 10111 can judge whether the liquid level of the emulsion entering the tank is lower than a dangerous preset value according to the liquid level height information of the emulsion collected by the liquid level collecting device 102, if so, the first operating unit 10112 controls the switching device of the emulsion pump to be turned off, so that the emulsion pump stops operating, and the support system of the coal fully mechanized mining working face is not supplied with liquid any more; if the first judging unit 10111 judges that the liquid level in the emulsion inlet box is higher than a dangerous preset value, whether the liquid level in the emulsion inlet box is lower than a supply preset value or not is continuously judged, if so, the first operating unit 10112 controls a driving electromagnetic valve of a supply pump to be opened so as to supply the emulsion to the emulsion inlet box pump, and a supporting system of the coal fully-mechanized mining working face can work safely and continuously;
the third control module 1013 includes a third determination unit 10131 and a third operation unit 10132, the third determination unit 10131 is connected to the flow collecting device 104, and the third operation unit 10132 is connected to the third determination unit 10131 and a second power output device of the coal spray pump; the third control module 1013 may determine whether the coal spray pump is blocked according to the spray flow information acquired by the flow acquisition device 104; if the third determining unit 10131 determines that the coal spraying pump is not blocked, the operator may control the third operating unit 10132 to adjust the output power of the second power output device according to the spraying flow rate of the coal spraying pump displayed by the display device 107, so as to achieve the required spraying flow rate of the coal spraying pump; if the third judging unit 10131 judges that the spray pump of the coal machine is blocked, the display device 107 can display a first blocking indication picture, so that great convenience is brought to the overhaul work of the spray pump of the coal machine, the time for judging an accident is shortened, and the working efficiency is improved;
the fourth control module 1014 includes a fourth judging unit 10141 and a fourth operating unit 10142, the fourth judging unit 10141 is connected to a second pressure collecting 105 and another second pressure collecting 106 in the pressure collecting device group, the fourth operating unit 10142 is connected to the fourth judging unit 10141 and the backwashing starting device; the fourth judging unit 10141 judges whether the backwash filter is blocked according to the liquid outlet pressure information acquired by one second pressure acquisition 105 and the liquid inlet pressure information acquired by the other second pressure acquisition 106; if the fourth judging unit 10141 judges that the backwashing filter is not blocked, the fourth operating unit 10142 controls the backwashing starting device to start, and the emulsion which is about to enter the coal mine fully mechanized coal mining face supporting system is filtered; and if the fourth determination unit 10141 determines that the backwash filter is clogged, the display device 107 may display a second clogging indication screen to provide an indication for timely backwash of the backwash filter, thereby greatly reducing blindness of construction personnel during work and improving work efficiency.
The centralized control system for the pump station of the fully mechanized coal mining face of the embodiment is characterized in that a liquid level acquisition device, a first pressure acquisition device, a flow acquisition device and a pressure acquisition device are respectively connected with a control device, the liquid level acquisition device is arranged in an emulsion inlet box, the first pressure acquisition device is arranged at a liquid outlet of an emulsion pump, the flow acquisition device is arranged at a spray nozzle of a spray pump of a coal mining machine, one second pressure acquisition device in the pressure acquisition device group is arranged at a liquid outlet of a backwashing filter, and the other second pressure acquisition device is arranged at a liquid inlet of the backwashing filter; the technical defects that in the prior art, the maintenance time of professional workers is prolonged and the production efficiency is affected due to incomplete configuration of monitoring equipment of the pump and related supporting equipment in the coal mine fully-mechanized mining face pump station are overcome, and the purpose of monitoring the pump and the related supporting equipment in the coal mine fully-mechanized mining face pump station in real time is achieved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a colliery is combined and is adopted working face pump station centralized control system which characterized in that includes: the device comprises a controller, a liquid level acquisition device, a first pressure acquisition device, a flow acquisition device and a pressure acquisition device group;
the liquid level acquisition device is connected to the controller, arranged in the emulsion inlet box and used for acquiring the height information of the liquid level of the emulsion in the emulsion inlet box;
the first pressure acquisition device is connected to the controller, arranged at the liquid outlet of the emulsification pump and used for acquiring the pressure information of the emulsification liquid at the liquid outlet of the emulsification pump;
the flow acquisition device is connected to the controller, arranged at a spray nozzle of the coal spraying pump and used for acquiring spray flow information of the coal spraying pump;
the pressure acquisition device group comprises two second pressure acquisition devices; the second pressure acquisition device is connected to the controller, arranged at the liquid outlet of the backwashing filter and used for acquiring the pressure information of the liquid outlet of the backwashing filter; the other second pressure acquisition device is connected to the controller, arranged at the liquid inlet of the backwashing filter and used for acquiring the pressure information of the liquid inlet of the backwashing filter;
the controller is connected to a switching device of the emulsion pump and used for controlling the switching device according to the height information of the liquid level of the emulsion; the driving electromagnetic valve is connected with a supply pump and used for controlling the driving electromagnetic valve according to the height information of the liquid level of the emulsion, and the supply pump is used for providing the emulsion for the emulsion tank; the first power output device is connected with the emulsion pump and used for adjusting the first power output according to the emulsion pressure information; the second power output device is connected with the coal spraying pump and used for alarming the blockage of the coal spraying pump or adjusting the second power output device according to the spraying flow information; and the back washing starting device is connected with the back washing filter and used for controlling the back washing starting device according to the liquid outlet pressure information and the liquid inlet pressure information.
2. The coal mine fully mechanized mining face pump station centralized control system according to claim 1, wherein the controller comprises a first control module, a second control module, a third control module and a fourth control module;
the first control module is respectively connected with the liquid level acquisition device and a switching device of the emulsion pump and is used for controlling the switching device and the driving electromagnetic valve according to the height information of the liquid level of the emulsion;
the second control module is respectively connected with the first pressure acquisition device and the first power output device of the emulsification pump and is used for controlling the first power output device according to the emulsification liquid pressure information;
the third control module is respectively connected with the flow acquisition device and a second power output device of the coal spraying pump and used for adjusting the second power output power according to the spraying flow information;
the fourth control module is respectively connected with the two second pressure acquisition devices and the back washing starting device of the back washing filter and is used for controlling the back washing starting device according to the liquid outlet pressure information and the liquid inlet pressure information.
3. The coal mine fully mechanized mining face pump station centralized control system according to claim 2, further comprising:
and the display device is connected with the controller and used for displaying the liquid level of the emulsion entering the tank according to the emulsion liquid level information, displaying the liquid outlet pressure of the emulsion pump according to the emulsion liquid pressure information, displaying the spraying flow of the coal spraying pump according to the spraying flow information, and displaying the pressure difference between the liquid outlet and the liquid inlet of the backwashing filter according to the liquid outlet pressure information and the liquid inlet pressure information.
4. The coal mine fully mechanized mining face pump station centralized control system according to claim 2 or 3, wherein the first control module comprises:
the first judgment unit is connected with the liquid level acquisition device and used for judging whether the liquid level of the emulsion entering the tank is lower than a dangerous preset value or not according to the height information of the liquid level of the emulsion, and if not, judging whether the liquid level of the emulsion entering the tank is lower than a supply preset value or not;
the first operation unit is connected with the first judgment unit and the switch device of the emulsion pump and used for closing the switch device when the first judgment unit judges that the liquid level of the emulsion in the tank is lower than the dangerous preset value, or opening the driving electromagnetic valve when the first judgment unit judges that the liquid level of the emulsion in the tank is higher than the dangerous preset value and lower than the supply preset value.
5. The coal mine fully mechanized mining face pump station centralized control system according to claim 2 or 3, wherein the third control module comprises:
the third judging unit is connected with the flow collecting device and the display and used for judging whether the coal spraying pump is blocked or not according to the spraying flow information;
and the third operation unit is connected with the third judging unit and the second power output device and is used for adjusting the output power of the second power output device according to the spray flow of the coal spraying pump displayed by the display device when the third judging unit judges that the coal spraying pump is not blocked.
6. The coal mine fully mechanized mining face pump station centralized control system according to claim 5, wherein the display device is further configured to display a first blockage indication picture when the third determination unit determines that the coal mine spray pump is blocked.
7. The coal mine fully mechanized mining face pump station centralized control system according to claim 2 or 3, wherein the fourth control module comprises:
the fourth judgment unit is connected with the pressure acquisition device group and the display and is used for judging whether the backwashing filter is blocked or not according to the liquid outlet pressure information and the liquid inlet pressure information;
and the fourth operation unit is connected with the fourth judgment unit and the backwashing starting device and is used for starting the backwashing starting device when the fourth judgment unit judges that the backwashing filter is not blocked.
8. The coal mine fully mechanized mining face pump station centralized control system according to claim 7, wherein the display device is further configured to display a second blockage indication screen when the fourth determination unit determines that the backwash filter is blocked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101677463A CN102235348A (en) | 2010-04-22 | 2010-04-22 | Centralized control system for coalmine fully-mechanized working face pump station |
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| CN2010101677463A CN102235348A (en) | 2010-04-22 | 2010-04-22 | Centralized control system for coalmine fully-mechanized working face pump station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487925A (en) * | 2018-05-07 | 2018-09-04 | 郑州煤矿机械集团股份有限公司 | Fully-mechanized mining working with fault diagnosis functions is for return liquid system |
| CN108591180A (en) * | 2018-04-12 | 2018-09-28 | 陕西陕煤黄陵矿业有限公司 | A kind of fully-mechanized mining working hydraulic system monitoring method |
| CN110566446A (en) * | 2019-09-16 | 2019-12-13 | 辽宁联胜机械制造有限公司 | integrated pump station liquid supply system |
| CN112432057A (en) * | 2020-10-29 | 2021-03-02 | 上海五航航空技术有限公司 | Remote liquid supply system for fully mechanized coal mining face of coal mine |
| CN114876570A (en) * | 2022-01-24 | 2022-08-09 | 北京天玛智控科技股份有限公司 | Backwashing control method, system and medium for fully mechanized coal mining face |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108591180A (en) * | 2018-04-12 | 2018-09-28 | 陕西陕煤黄陵矿业有限公司 | A kind of fully-mechanized mining working hydraulic system monitoring method |
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| CN110566446A (en) * | 2019-09-16 | 2019-12-13 | 辽宁联胜机械制造有限公司 | integrated pump station liquid supply system |
| CN112432057A (en) * | 2020-10-29 | 2021-03-02 | 上海五航航空技术有限公司 | Remote liquid supply system for fully mechanized coal mining face of coal mine |
| CN114876570A (en) * | 2022-01-24 | 2022-08-09 | 北京天玛智控科技股份有限公司 | Backwashing control method, system and medium for fully mechanized coal mining face |
| CN114876570B (en) * | 2022-01-24 | 2025-11-11 | 北京天玛智控科技股份有限公司 | Back flushing control method, system and medium of fully mechanized mining face |
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Application publication date: 20111109 |