CN203463144U - Automatic gas drainage controlling and monitoring system - Google Patents
Automatic gas drainage controlling and monitoring system Download PDFInfo
- Publication number
- CN203463144U CN203463144U CN201320546905.XU CN201320546905U CN203463144U CN 203463144 U CN203463144 U CN 203463144U CN 201320546905 U CN201320546905 U CN 201320546905U CN 203463144 U CN203463144 U CN 203463144U
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- valve
- pump
- gas drainage
- under suction
- drainage under
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Abstract
The utility model discloses an automatic gas drainage controlling and monitoring system, which comprises a PLC (programmable logic controller), a frequency converter, a current and voltage acquisition module, a gas drainage monitoring module, an electric control butterfly valve controller and a sensor, wherein the current and voltage acquisition module is connected with the PLC through the frequency converter, and the gas drainage monitoring module is connected with the PLC through the electric control butterfly valve controller. After the gas drainage system provided by the utility model is used, the operation condition is automatically controlled, the operation state is very stable, the labor intensity of operators is greatly reduced, the safety coefficient of a complete machine is increased, the failure rate of equipment is reduced, and the operation and maintenance cost is lowered.
Description
Technical field
The utility model relates to mining electromechanical equipment technical field, is specifically related to a kind of gas drainage under suction and automatically controls and monitoring system.
Background technology
Gas drainage system of coal mine is generally the manual method of operation at present, and mostly is the open loop method of operation, even if change electric operation mode into, mostly also is open loop operation.This common gas drainage system exists major defect to be: the state that 1, can not guarantee inlet valve, sometimes because the lack of water of water-ring vacuum pump loses the situation of sealing, cause system decompression, cause the paralysis of the whole extraction decorum, have a strong impact on the safety in production of down-hole.2, the duty due to gas drainage under suction can not show, operating personnel do not understand the duty of each parts of gas drainage system, easily occurs maloperation existing hidden danger.3, because gas drainage system is not closed-loop control, system needs operator ceaselessly to patrol and examine, and pinpoints the problems and processes in time, and artificial going realizes the simple closed-loop control of system, so not only increased operative employee's labour intensity, also exists hidden danger.
utility model content
In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of gas drainage under suction automatically to control and monitoring system, the overall process that realizes mining gas discharging system is controlled automatically, monitoring and state show, thereby has improved the safety factor of gas drainage under suction.
The utility model is by the following technical solutions:
A kind of gas drainage under suction is controlled and monitoring system automatically, wherein, described PLC controller, frequency converter, current/voltage acquisition module, gas drainage under suction monitoring module, automatically controlled butterfly valve controller and the sensor of comprising, described current/voltage acquisition module connects PLC controller through frequency converter, and gas drainage under suction monitoring module connects PLC controller through automatically controlled butterfly valve controller.
As preferably, described gas drainage under suction monitoring module comprises the first vacuum pump, the second vacuum pump, the 3rd vacuum pump, the first water pump and the second water pump, described the first water pump, the second water pump connect the first vacuum pump through the first water intaking valve, and the first vacuum pump connects respectively 1# pump admission valve, 1# pumps air valve and the first outlet valve; Described the second vacuum pump connects respectively 2# pump admission valve, 2# pumps air valve, the second water intaking valve and the second outlet valve; Described the 3rd vacuum pump connects respectively 3# pump admission valve, 3# pumps air valve, the 3rd water intaking valve and the 3rd outlet valve; 1# pump admission valve, 2# pump admission valve and 3# pump admission valve are connected through the outlet of pipeline and device in Gas, and 1# pumps air valve, 2# and pumps air valve and 3# and pump air valve and be connected with device in Gas import through total admission valve.
As preferably, described sensor comprises temperature pick up, flow transmitter, B/P EGR Back Pressure Transducer EGR and concentration sensor.
As preferably, also comprise the touch-screen being connected with PLC controller.
As preferably, described 1# pump admission valve, 2# pump admission valve, 3# pump admission valve, 1# pump that air valve, 2# pump air valve, 3# pumps air valve, the first outlet valve, the second outlet valve, the 3rd outlet valve, the first water intaking valve, the second water intaking valve and the 3rd water intaking valve and is automatically controlled butterfly valve.
The beneficial effects of the utility model are:
The utility model is to be control core by PLC, by be connected in whole system various sensors by various data feedbacks to PLC controller, system adopts that a key opens, stop mode operation, touch-screen shows whole service monitoring state, thereby reduced greatly gas drainage under suction pump operator's labour intensity, be applicable to colliery or other mines are applied.Use the gas drainage system operation conditions after the utility model to realize automatic control, running status is very steady, greatly reduces operating personnel's labour intensity, has improved the safety factor of complete machine, has reduced the fault rate of equipment, has reduced operation and maintenance cost.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other advantages can be by below manual or accompanying drawing in specifically noted structure realize and obtain.
Accompanying drawing explanation
Fig. 1 is system control structure block diagram of the present utility model;
Fig. 2 is the structured flowchart of the utility model gas drainage under suction monitoring module.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, described in the utility model is main, comprise PLC controller, touch-screen, frequency converter, current/voltage acquisition module, gas drainage under suction monitoring module, automatically controlled butterfly valve controller and sensor, described current/voltage acquisition module connects PLC controller through frequency converter, gas drainage under suction monitoring module connects PLC controller through automatically controlled butterfly valve controller, and touch-screen is connected with PLC controller.Sensor comprises temperature pick up, flow transmitter, B/P EGR Back Pressure Transducer EGR and concentration sensor.
As shown in Figure 2, gas drainage under suction monitoring module comprises vacuum pump 1, vacuum pump 2,3, No. 1 water pump of vacuum pump and No. 2 water pumps, No. 1 water pump, No. 2 water pumps connect vacuum pump 1 through water intaking valve 102, and vacuum pump 1 connects respectively 1# pump admission valve 103,1# pumps air valve 101 and outlet valve 104.Vacuum pump 2 connects respectively 2# pump admission valve 203,2# pumps air valve 201, water intaking valve 202 and outlet valve 204.Vacuum pump 3 connects respectively 3# pump admission valve 303,3# pumps air valve 301, water intaking valve 302 and outlet valve 304.1# pump admission valve 103,2# pump admission valve 203 and 3# pump admission valve 303 are connected with device in Gas import through total admission valve 4, and 1# pumps air valve 101,2# and pumps air valve 201 and pump air valve 301 with 3# and export and be connected with device in Gas through pipeline.
The utility model passes through according to the technological requirement of gas drainage under suction, operative employee's operation only need to click start button, after system starts, water pump starts automatically, then butterfly valve, drainage pump also start accordingly, in the process of operation, system can regulate the operating condition of gas suction pump according to the negative pressure condition in pipeline, realize the dynamic equilibrium of whole pipeline.In the design of system, also added monitoring and protection mechanism, made the system can be under improper state, autostop be also reported to the police, and completes self-protection.
The utility model is by the real-time monitor current voltage data of current/voltage acquisition module, according to the proportional relation of electric current and pipeline negative pressure, regulate in real time the given frequency of frequency converter, when pipeline negative pressure increases, motor operating current raises, by current feedback, can reduce frequency given, maintain pipeline negative-pressure balancing.Native system is also concentrated and is placed on a picture by touch screen operation picture, parameter display picture and warning picture, the daily monitoring of handled easily work.
The utility model can be realized following functions:
(1) realization that gas drainage system is controlled
Realize gas drainage system by detecting gas density, temperature, negative pressure, flow, the CO concentration of extraction pipeline, pump house environment gas density, pump and motor axle temperature, supply channel discharge parameter are transferred in PCL controller, realize the automatic control of pumping plant.
In gas drainage under suction monitoring module, pipe negative pressure and two important parameters of pipeline CO concentration, pipe negative pressure has determined the quality of extraction effect, has also determined that can water-ring vacuum pump work simultaneously; Pipeline CO concentration is the assurance of downhole safety, and CO concentration is when down-hole coal bed air content is too high, and the probability of spontaneous combustion of coal seam increases greatly, so must strictly control these two parameters.System, according to pipe negative pressure feedback signal adjustment control, forces PLC controller to regulate negative pressure by changing the output frequency of frequency converter, guarantees that the fluctuation of extraction pipeline negative pressure of suction is stable.
(2) gas drainage system is reported to the police and interlock protection
When water-ring vacuum pump normally moves, temperature must not surpass 75
.c, once pump shaft temperature reaches 65
.during C, send warning, if rise to again 70
.c stops this pump operation automatically according to termination of pumping order.By detecting the discharge of water-ring vacuum pump inlet pipeline, judge whether lack of water of gas suction pump, if lack of water is sent warning, if continue to report to the police, surpass 10S, stop extraction and move.By detecting the temperature of environment gas in pump house, when environment gas density surpasses 1.0%, cut off the power supply of related electric equipment in gas drainage under suction pump house, guarantee device security.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in claim scope of the present utility model.
Claims (5)
1. a gas drainage under suction is controlled and monitoring system automatically, it is characterized in that: described in comprise PLC controller, frequency converter, current/voltage acquisition module, gas drainage under suction monitoring module, automatically controlled butterfly valve controller and sensor, described current/voltage acquisition module connects PLC controller through frequency converter, and gas drainage under suction monitoring module connects PLC controller through automatically controlled butterfly valve controller.
2. a kind of gas drainage under suction according to claim 1 is controlled and monitoring system automatically, it is characterized in that: described gas drainage under suction monitoring module comprises the first vacuum pump, the second vacuum pump, the 3rd vacuum pump, the first water pump and the second water pump, described the first water pump, the second water pump connect the first vacuum pump through the first water intaking valve, and the first vacuum pump connects respectively 1# pump admission valve, 1# pumps air valve and the first outlet valve; Described the second vacuum pump connects respectively 2# pump admission valve, 2# pumps air valve, the second water intaking valve and the second outlet valve; Described the 3rd vacuum pump connects respectively 3# pump admission valve, 3# pumps air valve, the 3rd water intaking valve and the 3rd outlet valve; 1# pump admission valve, 2# pump admission valve and 3# pump admission valve are connected through the outlet of pipeline and device in Gas, and 1# pumps air valve, 2# and pumps air valve and 3# and pump air valve and be connected with device in Gas import through total admission valve.
3. a kind of gas drainage under suction according to claim 1 is controlled and monitoring system automatically, it is characterized in that: described sensor comprises temperature pick up, flow transmitter, B/P EGR Back Pressure Transducer EGR and concentration sensor.
4. a kind of gas drainage under suction according to claim 1 is controlled and monitoring system automatically, it is characterized in that: also comprise the touch-screen being connected with PLC controller.
5. a kind of gas drainage under suction according to claim 2 is automatically controlled and monitoring system, it is characterized in that: described 1# pump admission valve, 2# pump admission valve, 3# pump admission valve, 1# pump that air valve, 2# pump air valve, 3# pumps air valve, the first outlet valve, the second outlet valve, the 3rd outlet valve, the first water intaking valve, the second water intaking valve and the 3rd water intaking valve and is automatically controlled butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546905.XU CN203463144U (en) | 2013-09-04 | 2013-09-04 | Automatic gas drainage controlling and monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546905.XU CN203463144U (en) | 2013-09-04 | 2013-09-04 | Automatic gas drainage controlling and monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463144U true CN203463144U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320546905.XU Expired - Lifetime CN203463144U (en) | 2013-09-04 | 2013-09-04 | Automatic gas drainage controlling and monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790958A (en) * | 2015-04-01 | 2015-07-22 | 北京科技大学 | Oxygen-free outburst-prevention green and efficient tunneling technology suitable for gas-outburst coal road |
| CN105736948A (en) * | 2014-12-12 | 2016-07-06 | 四川省科建煤炭产业技术研究院有限公司 | Coal seam gas extraction pipe control device and control method |
| CN106917605A (en) * | 2017-02-25 | 2017-07-04 | 太原理工大学 | A kind of abandoned mine goaf coal bed gas flooring-safe intelligent extraction system |
| CN109372573A (en) * | 2018-12-26 | 2019-02-22 | 山东理工大学 | A kind of gas discharge in mine Water-ring vacuum pump fluid temperature adjustment control method |
| CN109372574A (en) * | 2018-12-26 | 2019-02-22 | 山东理工大学 | Water ring vacuum pump and extraction main line control method in a kind of gas discharge in mine |
-
2013
- 2013-09-04 CN CN201320546905.XU patent/CN203463144U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736948A (en) * | 2014-12-12 | 2016-07-06 | 四川省科建煤炭产业技术研究院有限公司 | Coal seam gas extraction pipe control device and control method |
| CN104790958A (en) * | 2015-04-01 | 2015-07-22 | 北京科技大学 | Oxygen-free outburst-prevention green and efficient tunneling technology suitable for gas-outburst coal road |
| CN106917605A (en) * | 2017-02-25 | 2017-07-04 | 太原理工大学 | A kind of abandoned mine goaf coal bed gas flooring-safe intelligent extraction system |
| CN109372573A (en) * | 2018-12-26 | 2019-02-22 | 山东理工大学 | A kind of gas discharge in mine Water-ring vacuum pump fluid temperature adjustment control method |
| CN109372574A (en) * | 2018-12-26 | 2019-02-22 | 山东理工大学 | Water ring vacuum pump and extraction main line control method in a kind of gas discharge in mine |
| CN109372574B (en) * | 2018-12-26 | 2019-10-29 | 山东理工大学 | Water ring vacuum pump and extraction main line control method in a kind of gas discharge in mine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Hospital of Yangcheng Industrial Zone, Dengfeng City, Zhengzhou City, Henan Province Patentee after: Zhongmei Xindeng Zhengzhou Coal Industry Co.,Ltd. Address before: No.1 Hospital of Yangcheng Industrial Zone, Dengfeng City, Zhengzhou City, Henan Province Patentee before: SDIC XINDENG ZHENGZHOU COAL Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |