CN104407637A - Automatic water level monitoring system for mining - Google Patents
Automatic water level monitoring system for mining Download PDFInfo
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- CN104407637A CN104407637A CN201410793999.XA CN201410793999A CN104407637A CN 104407637 A CN104407637 A CN 104407637A CN 201410793999 A CN201410793999 A CN 201410793999A CN 104407637 A CN104407637 A CN 104407637A
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Abstract
The invention discloses an automatic water level monitoring system for mining. The automatic water level monitoring system comprises a mining water level sensor for detecting parameters of the liquid level in a water seal container as well as a central processing unit for receiving liquid level parameters transmitted by the mining water level sensor. The mining liquid level sensor is adopted to acquire the real-time liquid level in the water seal container, the liquid level parameters are acquired accurately in real time, so that accurate data guarantee is provided for the water seal liquid level of a water seal flame-retarding and explosion-venting device; and the water level in the conventional water seal flame retarding and explosion venting device is monitored in real time, water replenishing and draining are controlled automatically, accordingly, the effectiveness of the water seal flame retarding and explosion venting device is guaranteed, potential safety hazards are eliminated, and the production safety is facilitated.
Description
Technical field
The present invention relates to a kind of supervisory system for liquid level in watch-dog, particularly the mining water level automatic monitoring system of one.
Background technology
Gas conveying is the necessary links of coal production, but gas belongs to flammable explosive gas, in course of conveying, inevitably will produce the security incidents such as blast; Therefore; according to the requirement of AQ1072-2009 " gas tube conveying water-sealing fire-retardant explosion venting device technical conditions "; adopt water-sealing fire-retardant explosion venting device; and water-sealing fire-retardant explosion venting device is mounted in a kind of safety convenience instrument of the positive pressure side of releasing pipe; when gas drainage pipeline meets accident explosion accident; the shock wave that can prevent explodes produces destroys drainage system, therefore can protect mine up and down, the safety of draw-off pump station equipment and user.
In prior art, water-sealing fire-retardant explosion venting device realizes back-fire relief venting of dust explosion by water seal, and suitable liquid level is the key ensureing water-sealing fire-retardant venting of dust explosion; And in actual use procedure, usually occur that water level not or do not have the situation of water, just do not have the effect of water seal yet, thus have potential safety hazard.
Therefore, need to monitor in real time the water level in existing water-sealing fire-retardant explosion venting device, obtain the water level conditions in water-sealing fire-retardant explosion venting device, and realize automatic controlled water replanishing and discharge, thus ensure the validity of water-sealing fire-retardant explosion venting device, eliminate safe hidden trouble, be beneficial to production safety.
Summary of the invention
In view of this, the object of this invention is to provide a kind of mining water level automatic monitoring system, water level in existing water-sealing fire-retardant explosion venting device is monitored in real time, obtain the water level conditions in water-sealing fire-retardant explosion venting device, and realize automatic controlled water replanishing and discharge, thus ensure the validity of water-sealing fire-retardant explosion venting device, eliminate safe hidden trouble, be beneficial to production safety.
Mining water level automatic monitoring system of the present invention, comprising:
Mining water level sensor, for detecting the level parameter in water-sealed container;
CPU (central processing unit), for receiving the level parameter that mining water level sensor transmits.
Further, also comprise water level control unit, comprising:
Automatically controlled water intaking valve, is installed on water-sealed container intake tunnel, and receives the control command of CPU (central processing unit);
Automatically controlled draining valve, is installed on water-sealed container exhalant canal, and receives the control command of CPU (central processing unit);
Water lev el control module, for receiving the command signal of CPU (central processing unit) and controlling the running status of the supply equipment of water-sealed container;
Further, described mining water level sensor is three and is along the circumferential direction evenly arranged in water-sealed container;
Further, between the inlet channel and exhaust passage of described water-sealed container, be also provided with the differential pressure pickup for detecting pressure reduction between admission pressure and discharge pressure, described differential pressure pickup is connected with CPU (central processing unit) signal;
Further, also comprise the flow sensor being arranged at water-sealed container exhalant canal, described flow sensor is connected with CPU (central processing unit) signal;
Further, the long distance control system of alternating transmission data between CPU (central processing unit) is also comprised;
Further, the bottom of described pressure transducer and water-sealed container has spacing, and described water-sealed container internal fixtion is provided with mounting bracket, and described water pressure sensor is arranged at mounting bracket with horizontal level and adjustable for height mode;
Further, also comprise alarm unit, described alarm unit is connected with CPU (central processing unit) signal and is used for sending alerting signal.
The invention has the beneficial effects as follows: mining water level automatic monitoring system of the present invention, adopt the real-time level in mining liquid level sensor acquisition water-sealed container, ensure that accurately obtaining in real time of level parameter, thus for ensureing that the water seal liquid level of water-sealing fire-retardant explosion venting device provides Data safeguard accurately; Water level in existing water-sealing fire-retardant explosion venting device is monitored in real time, realizes automatic controlled water replanishing and discharge, thus ensure the validity of water-sealing fire-retardant explosion venting device, eliminate safe hidden trouble, be beneficial to production safety.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is principle schematic of the present invention.
Embodiment
Fig. 1 is principle schematic of the present invention, as shown in the figure: mining water level automatic monitoring system of the present invention, comprising:
Mining water level sensor 10, for detecting the level parameter in water-sealed container;
CPU (central processing unit) 4, for receiving the level parameter that mining water level sensor transmits.
Mining water level sensor 10 can adopt all liquid level sensors of existing essential safety, transfers to CPU (central processing unit) 4 for the level parameter that detects in water-sealed container 1; Real-time water level information is obtained by mining water level sensor 10.
CPU (central processing unit) 4 can comprise the reception of data, conversion, amplification and processor, and can comprise the circuit such as transmitting as required, does not repeat them here;
In the present embodiment, also comprise water level control unit, comprising:
Automatically controlled water intaking valve 7, is installed on water-sealed container 1 intake tunnel, and receives the control command of CPU (central processing unit) 4, opens or close according to this control command;
Automatically controlled draining valve 8, is installed on water-sealed container 1 exhalant canal, and receives the control command of CPU (central processing unit) 4, opens or close according to this control command; Above-mentioned two valves all can adopt the electromagnetic valve for mine of essential safety, have good explosion-proof effect; Certainly, there is solenoid valve control module and realize opening and closing by central processing unit controls, not liking to repeat at this;
Water lev el control module 5, for receiving the command signal of CPU (central processing unit) 4 and controlling the running status of the supply equipment 6 of water-sealed container 1; Supply equipment 6 can be water pump or elevated tank etc., does not repeat them here; Water lev el control module 5 is the control circuit of water pump or the control of export solenoid valve etc. of water tank.
In the present embodiment, described mining water level sensor is three and is along the circumferential direction evenly arranged in water-sealed container, is namely uniformly distributed in hexagonal angle, when wherein lowest water level lower than standard value, then automatically starts and carries out moisturizing.
In the present embodiment, between the inlet channel 2 and exhaust passage 3 of described water-sealed container 1, be also provided with the differential pressure pickup 13 for detecting pressure reduction between admission pressure and discharge pressure, described differential pressure pickup 13 is connected with CPU (central processing unit) 4 signal; Because carried gaseous impurities is more, the blocking in water-sealed container may be caused, the setting of differential pressure pickup, be beneficial to the monitoring ensureing to pass through smoothly gas, as pressure reduction is comparatively large, then can processes at any time, avoid occurring security incident; As shown in the figure, differential pressure pickup 13 is connected between inlet channel 2 and exhaust passage 3 by arm, with exhaust passage be communicated with the gas vent that can be connected directly between water-sealed container 1, on any degassing container of the connection that yet can be connected to, do not repeat them here.
In the present embodiment, also comprise the flow sensor 9 being arranged at water-sealed container 1 exhalant canal, described flow sensor 9 is connected with CPU (central processing unit) 4 signal; Water leakage information can be obtained in time, the normal operation of assurance device.
In the present embodiment, also comprise the long distance control system 11 of alternating transmission data between CPU (central processing unit) 4; Pressure value, flow number and liquid level numerical value that reception CPU (central processing unit) 4 transmits also send remote control command to CPU (central processing unit) 4, and this order is mainly used in starting and switching off the pump; Long distance control system 11 can adopt network (wired or wireless) to monitor, and also can adopt line connection control, and send control command, is equipped with display system and can realizes by CPU (central processing unit) the parameter monitoring of water pump operation state and video monitoring.
In the present embodiment, also comprise alarm unit 12, described alarm unit 12 is connected with CPU (central processing unit) 4 signal and is used for sending alerting signal; When liquid level too low or too high time (set according to service condition, do not repeat them here), CPU (central processing unit) 4 sends alarm command to alarm unit, can be acoustic alarm or/and light is reported to the police.
When the present invention uses, detailed process is: CPU (central processing unit) processes mining water level sensor data-signal, draw water-sealed container liquid level, getting minimum liquid level numerical value (is three mining liquid level sensors in the present embodiment, if three all higher than the liquid level upper limit of setting, then start the liquid level scope of automatically controlled draining valve 8 draining to setting, if only have one of them lower than liquid level lower limit, then start supply equipment 6 and open the liquid level scope of automatically controlled water intaking valve 7 moisturizing to setting); Namely according to the water-sealed container liquid level obtained, the bound exporting water-sealed container controls signal to water supply control module, controls the start and stop of supply equipment.Export water-sealed container liquid level signal to long distance control system simultaneously; Long distance control system as required, realize Long-distance Control to CPU (central processing unit), owing to being provided with flow sensor in native system, can by leak and the information response such as proper drainage to supervisory system, so that managerial personnel dispose in time, the waste at water source and equipment is avoided to break ring.
The equipment such as motorized valve of the present invention, sensor, alarm are explosion-proof essential safe type, do not repeat them here.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a mining water level automatic monitoring system, is characterized in that: comprising:
Mining water level sensor, for detecting the level parameter in water-sealed container;
CPU (central processing unit), for receiving the level parameter that mining water level sensor transmits.
2. mining water level automatic monitoring system according to claim 1, is characterized in that: also comprise water level control unit, comprising:
Automatically controlled water intaking valve, is installed on water-sealed container intake tunnel, and receives the control command of CPU (central processing unit);
Automatically controlled draining valve, is installed on water-sealed container exhalant canal, and receives the control command of CPU (central processing unit);
Water lev el control module, for receiving the command signal of CPU (central processing unit) and controlling the running status of the supply equipment of water-sealed container.
3. mining water level automatic monitoring system according to claim 2, is characterized in that: described mining water level sensor is three and is along the circumferential direction evenly arranged in water-sealed container.
4. mining water level automatic monitoring system according to claim 1, it is characterized in that: between the inlet channel and exhaust passage of described water-sealed container, be also provided with the differential pressure pickup for detecting pressure reduction between admission pressure and discharge pressure, described differential pressure pickup is connected with CPU (central processing unit) signal.
5. mining water level automatic monitoring system according to claim 4, it is characterized in that: also comprise the flow sensor being arranged at water-sealed container exhalant canal, described flow sensor is connected with CPU (central processing unit) signal.
6. mining water level automatic monitoring system according to claim 4, is characterized in that: the long distance control system also comprising alternating transmission data between CPU (central processing unit).
7. mining water level automatic monitoring system according to claim 1, is characterized in that: also comprise alarm unit, and described alarm unit is connected with CPU (central processing unit) signal and is used for sending alerting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410793999.XA CN104407637A (en) | 2014-12-19 | 2014-12-19 | Automatic water level monitoring system for mining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410793999.XA CN104407637A (en) | 2014-12-19 | 2014-12-19 | Automatic water level monitoring system for mining |
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| CN104407637A true CN104407637A (en) | 2015-03-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104695538A (en) * | 2015-03-16 | 2015-06-10 | 西安长庆科技工程有限责任公司 | Automatic water-supplementing water seal technology of water-seal well |
| CN107692691A (en) * | 2017-10-31 | 2018-02-16 | 刘玉英 | A kind of double-deck gardening showing stand for being easy to draining |
| CN112328818A (en) * | 2020-10-15 | 2021-02-05 | 费斯托教学股份有限公司 | Wastewater simulation treatment device and installation error and correction recognition system thereof |
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| CN104695538A (en) * | 2015-03-16 | 2015-06-10 | 西安长庆科技工程有限责任公司 | Automatic water-supplementing water seal technology of water-seal well |
| CN107692691A (en) * | 2017-10-31 | 2018-02-16 | 刘玉英 | A kind of double-deck gardening showing stand for being easy to draining |
| CN112328818A (en) * | 2020-10-15 | 2021-02-05 | 费斯托教学股份有限公司 | Wastewater simulation treatment device and installation error and correction recognition system thereof |
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Application publication date: 20150311 |
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