CN203452841U - Automatic water draining device for coal mine gas extraction pipeline - Google Patents
Automatic water draining device for coal mine gas extraction pipeline Download PDFInfo
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- CN203452841U CN203452841U CN201320569024.XU CN201320569024U CN203452841U CN 203452841 U CN203452841 U CN 203452841U CN 201320569024 U CN201320569024 U CN 201320569024U CN 203452841 U CN203452841 U CN 203452841U
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- storage tank
- coal mine
- gas extraction
- extraction pipeline
- mine gas
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Abstract
The utility model relates to an automatic water draining device for a coal mine gas extraction pipeline. The automatic water draining device comprises an explosive-proof control cabinet and a water storage tank, wherein the explosive-proof control cabinet is provided with a control panel and a circuit board with a CPU (Central Processing Unit); the water storage tank is provided with a water inlet/outlet pipe with an explosive-proof electric valve, a gas inlet pipe and a liquid level sensor and a pressure sensor. The device adopts a design combining the explosive-proof control cabinet, a control circuit, a signal acquisition sensor and the explosive-proof electric valve and is controlled by a CPU processing procedure to realize automatic control over deposited water drainage of the coal mine gas extraction pipeline. The liquid level sensor and the pressure sensor are used for monitoring the operation state of the water draining device so as to further improve the safety and the reliability of the water draining device. The device is reasonable in design, simple in structure, safe and reliable, stable to operate and convenient to maintain, and can acquire signals accurately and timely. The device can realize manual and automatic switching, and local and remote control; the deposited water of the coal mine gas extraction pipeline can be drained timely and automatically under positive and negative pressures so that the device is the very practical automatic water draining device for the coal mine gas extraction pipeline.
Description
Technical field
The utility model relates to the technical field of coal mine downhole safety prevention device, specifically a kind of coal mine gas extraction pipeline self-draining arrangement.
Background technology
The many collieries of China are all high gassies, in order to ensure Safety of Coal Mine Production, according to national regulation, coal production must be followed the principle of " first take out afterwards and adopt ", it is first gas extraction, and then produce, in the process of gas extraction, inconsistent because of conduit slope, add that rock crevice has water and aqueous vapor to exist, and will inevitably produce a large amount of ponding in methane gas extraction pipeline, ponding can directly affect gas pumping effect, meanwhile, pipeline ponding also can soak and corrosion monitoring sensor probe, affects methane monitoring system normal operation.
At present, most coal mine gas extraction pipelines all adopt valve manually to carry out draining, the tunnel that extraction pipeline is intensive, every 3 to 5 meters, just need one group of tailrace, hand-operated valve closing time is long, workman on duty need ceaselessly open and close valve, labour intensity is very big, job content is uninteresting loaded down with trivial details, valve opening and closing both cannot guarantee time time accurately to put in place, valve wearing and tearing turnover rate is high, the discharge of methane gas extraction pipeline ponding not in time, simultaneously, hand-actuated, information feedback is slow, control room is difficult to grasp the True Data of pipeline ponding discharge in gas drainage system, cannot monitor, greatly affecting Safety of Coal Mine Production carries out smoothly.
Summary of the invention
The purpose of this utility model is in order to solve above-mentioned problems of the prior art, and a kind of coal mine gas extraction pipeline self-draining arrangement is provided.
The utility model is achieved by the following technical solution:
A coal mine gas extraction pipeline self-draining arrangement, comprises flame proof control cabinet and storage tank, in flame proof control cabinet, circuit board is installed, and circuit board is provided with CPU, CPU supply module, 485 translation interfaces, relay, transformer and D.C. regulated power supply; On the sidewall of flame proof control cabinet, control panel is installed, control panel is provided with indicator lamp, the regulation and control button and display screen (be connected by H cable, controlled by the CPU on circuit board) being connected with circuit board; The liquid level sensor being connected with circuit board is installed on storage tank (to be connected by H cable with pressure sensor, controlled by the CPU on circuit board), the top of storage tank is provided with water inlet pipe and air inlet pipe, bottom are provided with outlet pipe, the flame proof motor operated valve (connect by H cable, controlled by the CPU on circuit board) being connected with circuit board is all installed in water inlet pipe, outlet pipe and air inlet pipe.
Wherein, on circuit board, to be connected be that those skilled in the art know and can realize in the installation of CPU, CPU supply module, 485 translation interfaces, relay, transformer and D.C. regulated power supply, and the flame proof motor operated valve on the indicator lamp on control panel, regulation and control button, display screen and water inlet pipe and water outlet pipe is also that those skilled in the art know also and can realize with being connected of corresponding module on circuit board.Detailed circuit connects as shown in Figure 3: circuit board forms integrated circuit by cpu control circuit IC1, flame proof junction box IC2, transformer IC3, power supply conversion voltage stabilizing rectification circuit IC4, CPU power supply unit IC circuit 5, display circuit IC6, flame proof motor operated valve control IC circuit 7, isolator IC circuit 8, signal indicating circuit IC9, liquid level sensor IC circuit 10, pressure sensor circuit IC11,485 interface conversion circuit IC12, relay unit circuit IC13, oscillator IC circuit 14, each parallel circuit is connected by wire, VCC end is power end, and GND end is earth terminal.
Core of the present utility model adopts CPU processor, by software, control program (this is that those skilled in the art know and can realize) is set, press drainage works sequence requirement, drive each valve opening and closing, simultaneously, with liquid level sensor, survey water tank water level inside information, realize coal mine gas extraction pipeline ponding discharge automation.Pressure sensor is surveyed the duty of Cistern valve.Reaching position, close and to put, to cross the guard signals such as moment in place in valve working process, is controlled and can further improve device reliability of operation, safety by CPU processor.
As shown in Figure 4, the water inlet pipe at storage tank top is connected with the low-lying place of mash gas extraction pipeline, and these ponding are the most serious, installs after dewatering installation, and drainage effect improves also obvious.During work, storage tank is in air-tight state, and the flame proof motor operated valve on the water inlet pipe of storage tank top is in normally open.When water level reaches certain position (adjustable), the flame proof motor operated valve that CPU on flame proof control cabinet interior circuit board controls on the water inlet pipe of storage tank top cuts out, now the flame proof motor operated valve on air inlet pipe and outlet pipe is opened successively, water in storage tank is discharged outside case, flame proof motor operated valve after water emptying on air inlet pipe and outlet pipe cuts out again, then opens the draining circulation of again having intake of flame proof motor operated valve on the water inlet pipe of storage tank top.In the whole course of work, liquid level sensor, for detection of water level height in storage tank, is realized the control of water level in storage tank by program.Pressure sensor is for detection of storage tank pressure changing, guarantees that whole drainage system, without leakage, monitors in real time to unsafe factor, by this function, can understand valve working state, makes system operation safety and reliability.When the ponding in storage tank is filled with, repeat said process, repeat ponding emptying.
Further, the base plate of storage tank is conical design, and offers cinder cleaning hole in the center of base plate, and scarfing cinder valve is installed on cinder cleaning hole.Bottom storage tank, for conical design, be conducive to the concentrated deposition of waste residue in ponding, be convenient to cleaning, convenient and swift.
Manual maintenance valve is also installed on the water inlet pipe at the top of storage tank, when manually maintenance valve is repaired for pipe-line maintenance, uses, safe and reliable.
The sidewall of storage tank is provided with for observing the peep hole of storage tank inside.
The utility model compared with prior art has obvious superiority, and it is the self-draining arrangement designing according to methane gas in coal mine gas extraction pipeline and ponding actual state.The design that adopts flame proof control cabinet, control circuit, signals collecting sensor, flame proof motor operated valve to combine, adopts CPU processor program to control, and realizes the self-draining control of coal mine gas extraction pipeline.Wherein valve reaches position, closes and to put, to cross the signals such as moment, the safety that has further improved dewatering installation, reliability in place.This device is reasonable in design, simple in structure, safe and reliable, stable, easy to maintenance, signals collecting accurately and timely, can realize hand control and automation and switch, install 485 interface circuits additional, can realize telecommunication and control.As many covering device combinations, also can form ground gas extraction pumping plant centralized monitoring system.Ensure the automatic-discharging of coal mine gas extraction pipeline ponding under positive/negative-pressure state, greatly alleviated the heavy manual labor of manpower.The most practical a kind of, the safest, the most reliable, optimal coal mine gas extraction pipeline self-draining arrangement at present.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is A-A sectional drawing in Fig. 1.
Fig. 3 is the circuit connection diagram of circuit board of the present utility model.
Fig. 4 is work schematic diagram of the present utility model.
In figure: 1-flame proof control cabinet, 2-storage tank, 3-circuit board, 4-CPU, 5-CPU supply module, 6-485 translation interface, 7-relay, 8-transformer, 9-D.C. regulated power supply, 10-control panel, 11-indicator lamp, 12-regulates and controls button, 13-display screen, 14-liquid level sensor, 15-pressure sensor, 16-water inlet pipe, 17-outlet pipe, 18-flame proof motor operated valve, 19-cinder cleaning hole, 20-scarfing cinder valve, the manual maintenance valve of 21-, 22-peep hole, 23-mash gas extraction pipeline, 24-air inlet pipe,
IC1-CPU control circuit, IC2-flame proof junction box, IC3-transformer, IC4-power supply conversion voltage stabilizing rectification circuit, IC5-CPU power supply unit circuit, IC6-display circuit, IC7-flame proof motor operated valve are controlled circuit, IC8-isolator circuit, IC9-signal indicating circuit, IC10-liquid level sensor circuit, IC11-pressure sensor circuit, IC12-485 interface conversion circuit, IC13-relay unit circuit, IC14-oscillator circuit.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1 to Figure 3, a kind of coal mine gas extraction pipeline self-draining arrangement, comprise flame proof control cabinet 1 and storage tank 2, circuit board 3 is installed in flame proof control cabinet 1, and circuit board 3 is provided with CPU4, CPU supply module 5,485 translation interfaces 6, relay 7, transformer 8 and D.C. regulated power supply 9; Control panel 10 is installed on the sidewall of flame proof control cabinet 1, and control panel 10 is provided with indicator lamp 11, regulation and control button 12 and the display screen 13 being connected with circuit board 3; The liquid level sensor 14 and the pressure sensor 15 that are connected with circuit board 3 are installed on storage tank 2, the top of storage tank 2 is provided with water inlet pipe 16 and air inlet pipe 24, bottom are provided with outlet pipe 17, and the flame proof motor operated valve 18 being connected with circuit board 3 is all installed in water inlet pipe 16, outlet pipe 17 and air inlet pipe 24.
During concrete enforcement, the base plate of storage tank 2 is conical design, and offers cinder cleaning hole 19 in the center of base plate, and scarfing cinder valve 20 is installed on cinder cleaning hole 19; Manual maintenance valve 21 is also installed on the water inlet pipe 16 at the top of storage tank 2; The sidewall of storage tank 2 is provided with for observing the peep hole 22 of storage tank 2 inside.
Claims (5)
1. a coal mine gas extraction pipeline self-draining arrangement, it is characterized in that: comprise flame proof control cabinet (1) and storage tank (2), circuit board (3) is installed in flame proof control cabinet (1), and circuit board (3) is provided with CPU(4), CPU supply module (5), 485 translation interfaces (6), relay (7), transformer (8) and D.C. regulated power supply (9); Control panel (10) is installed on the sidewall of flame proof control cabinet (1), and control panel (10) is provided with indicator lamp (11), regulation and control button (12) and the display screen (13) being connected with circuit board (3); The liquid level sensor (14) and the pressure sensor (15) that are connected with circuit board (3) are installed on storage tank (2), the top of storage tank (2) is provided with water inlet pipe (16) and air inlet pipe (24), bottom are provided with outlet pipe (17), and the flame proof motor operated valve (18) being connected with circuit board (3) is all installed in water inlet pipe (16), outlet pipe (17) and air inlet pipe (24).
2. coal mine gas extraction pipeline self-draining arrangement according to claim 1, it is characterized in that: the base plate of storage tank (2) is conical design, and in the center of base plate, offer cinder cleaning hole (19), scarfing cinder valve (20) is installed on cinder cleaning hole (19).
3. coal mine gas extraction pipeline self-draining arrangement according to claim 1 and 2, is characterized in that: on the water inlet pipe (16) at the top of storage tank (2), manual maintenance valve (21) is also installed.
4. coal mine gas extraction pipeline self-draining arrangement according to claim 1 and 2, is characterized in that: the sidewall of storage tank (2) is provided with for observing the inner peep hole (22) of storage tank (2).
5. coal mine gas extraction pipeline self-draining arrangement according to claim 3, is characterized in that: the sidewall of storage tank (2) is provided with for observing the inner peep hole (22) of storage tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569024.XU CN203452841U (en) | 2013-09-14 | 2013-09-14 | Automatic water draining device for coal mine gas extraction pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569024.XU CN203452841U (en) | 2013-09-14 | 2013-09-14 | Automatic water draining device for coal mine gas extraction pipeline |
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| Publication Number | Publication Date |
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| CN203452841U true CN203452841U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320569024.XU Expired - Fee Related CN203452841U (en) | 2013-09-14 | 2013-09-14 | Automatic water draining device for coal mine gas extraction pipeline |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507948A (en) * | 2015-12-29 | 2016-04-20 | 常熟市亨达电子器材厂 | Mining slag and water discharging device |
| CN105527900A (en) * | 2015-12-29 | 2016-04-27 | 常熟市亨达电子器材厂 | Mine deslagging and drainage host |
| CN106523024A (en) * | 2017-01-06 | 2017-03-22 | 平安煤炭开采工程技术研究院有限责任公司 | Water discharging device used for gas extraction system |
| CN107044586A (en) * | 2016-02-05 | 2017-08-15 | 秦皇岛首钢机械厂 | Leak-proof intelligent coal gas drainer |
| CN107724980A (en) * | 2017-09-30 | 2018-02-23 | 河南理工大学 | To drilling Auto-drainage equipment under one kind |
| CN109505651A (en) * | 2018-12-27 | 2019-03-22 | 重庆工程职业技术学院 | A kind of full-automatic positive/negative-pressure tailrace of monitor-type |
| CN110670612A (en) * | 2019-09-18 | 2020-01-10 | 中国电建集团山东电力建设第一工程有限公司 | Drainage device and method for construction of thermal power plant confined space deep foundation pit water tank |
| CN111364946A (en) * | 2020-03-18 | 2020-07-03 | 河南理工大学 | Airfoil type gas-water-slag separation device with drill rod sealing function and using method thereof |
| CN111456656A (en) * | 2020-03-18 | 2020-07-28 | 河南理工大学 | Coal mine underground bottom suction roadway cross-layer drilling blowout prevention hole construction method |
| CN111852834A (en) * | 2020-07-31 | 2020-10-30 | 上海广联环境岩土工程股份有限公司 | Water pump management and control method for foundation pit dewatering system |
-
2013
- 2013-09-14 CN CN201320569024.XU patent/CN203452841U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527900A (en) * | 2015-12-29 | 2016-04-27 | 常熟市亨达电子器材厂 | Mine deslagging and drainage host |
| CN105507948A (en) * | 2015-12-29 | 2016-04-20 | 常熟市亨达电子器材厂 | Mining slag and water discharging device |
| CN107044586A (en) * | 2016-02-05 | 2017-08-15 | 秦皇岛首钢机械厂 | Leak-proof intelligent coal gas drainer |
| CN106523024A (en) * | 2017-01-06 | 2017-03-22 | 平安煤炭开采工程技术研究院有限责任公司 | Water discharging device used for gas extraction system |
| CN107724980A (en) * | 2017-09-30 | 2018-02-23 | 河南理工大学 | To drilling Auto-drainage equipment under one kind |
| CN109505651B (en) * | 2018-12-27 | 2024-05-24 | 重庆工程职业技术学院 | Full-automatic positive negative pressure of control formula ware that drains |
| CN109505651A (en) * | 2018-12-27 | 2019-03-22 | 重庆工程职业技术学院 | A kind of full-automatic positive/negative-pressure tailrace of monitor-type |
| CN110670612A (en) * | 2019-09-18 | 2020-01-10 | 中国电建集团山东电力建设第一工程有限公司 | Drainage device and method for construction of thermal power plant confined space deep foundation pit water tank |
| CN110670612B (en) * | 2019-09-18 | 2024-01-19 | 中国电建集团山东电力建设第一工程有限公司 | Drainage device and method for construction of thermal power plant confined space deep foundation pit pond |
| CN111456656A (en) * | 2020-03-18 | 2020-07-28 | 河南理工大学 | Coal mine underground bottom suction roadway cross-layer drilling blowout prevention hole construction method |
| CN111456656B (en) * | 2020-03-18 | 2022-04-05 | 河南理工大学 | Coal mine underground bottom suction roadway cross-layer drilling blowout prevention hole construction method |
| CN111364946B (en) * | 2020-03-18 | 2024-01-19 | 河南理工大学 | Wing type air-water-slag separation device with drill rod sealing function and application method thereof |
| CN111364946A (en) * | 2020-03-18 | 2020-07-03 | 河南理工大学 | Airfoil type gas-water-slag separation device with drill rod sealing function and using method thereof |
| CN111852834A (en) * | 2020-07-31 | 2020-10-30 | 上海广联环境岩土工程股份有限公司 | Water pump management and control method for foundation pit dewatering system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20160914 |