CN211315804U - Intelligent automatic reset leakage-proof coal gas drainage monitoring system - Google Patents
Intelligent automatic reset leakage-proof coal gas drainage monitoring system Download PDFInfo
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- CN211315804U CN211315804U CN201922364495.7U CN201922364495U CN211315804U CN 211315804 U CN211315804 U CN 211315804U CN 201922364495 U CN201922364495 U CN 201922364495U CN 211315804 U CN211315804 U CN 211315804U
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Abstract
The utility model discloses an intelligent automatic reset leakage-proof coal gas drainage monitoring system, which comprises an automatic exhaust resetting device and an explosion-proof electromagnetic valve which are fixed on a device shell of a coal gas leakage-proof device; the coal gas leakage-proof device is connected with the bottom of the drainer shell of the drainer through a drainer water outlet pipe; the top surface of the drainer shell is provided with an explosion-proof liquid level sensor, an explosion-proof terminal box, an explosion-proof alarm lamp and a condensed water inlet valve; the side surface of the shell of the drainer is provided with an anti-explosion pressure transmitter, an electric water replenishing valve and an anti-explosion temperature sensor from top to bottom in sequence; the front surface of the drainer shell is provided with an explosion-proof control box. The utility model discloses it is convenient to operate, maintain, multiple functional. Good universality and the product can be designed in series. Meanwhile, the application range is wide, the method is suitable for industries such as coal gas preparation, coal gas conveying and coal gas use, industrial production can be realized, and considerable social and economic benefits can be created.
Description
Technical Field
The utility model relates to an intelligent automatic re-setting prevents leaking coal gas drainage monitoring system.
Background
At present, a coal gas drainer is used in a coal gas pipe network system in the steel industry, although the tail end of the drainer is provided with a leakage-proof device, and meanwhile, the drainer in a low-temperature area is provided with a heat tracing device, when the coal gas of the system is in overpressure and the water seal is broken down, the coal gas can be blocked through the leakage-proof device, and meanwhile, when the environmental temperature reaches the freezing point or below the freezing point, the electric heat tracing device or the steam heat tracing device is started, so that the inner cavity of the drainer can be prevented from freezing and normally drains water. The traditional method in the steel and iron industry at present is as follows: and the real-time working state of the drainer is checked and recorded one by one in a regular inspection mode by personnel. However, as the gas pipe network in the steel industry has a large coverage area, a large number of water drainers and a wide distribution range, the inspection workload is large, and the inspection cannot be continuously performed for 24 hours, so that the water drainers in a certain area can be missed to be inspected under the existing conditions, and potential safety hazards are generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an intelligent automatic reset anti-leakage coal gas drainage monitoring system which has reasonable structure, complete functions, obvious use effect and convenient use and maintenance, and can realize the automatic closing of an anti-leakage device when a coal gas drainer works on line and the coal gas of the system has instantaneous overpressure and a water seal is broken down, thereby preventing the coal gas from leaking outside; the anti-leakage device automatically resets when the gas pressure recovers to normal, and simultaneously, the automatic water replenishing of the drainer ensures the safe operation of the system. If the pipe network system is overpressured for a long time, the anti-leakage device and the anti-explosion electromagnetic valve are closed, so that gas is prevented from leaking, and automatic alarm is given to remind inspection personnel. Meanwhile, the working state (water level, pressure, temperature and carbon monoxide concentration) of the online-running drainer can be monitored and analyzed in a one-to-one real-time mode through the mobile phone APP or the central data processing system (Internet of things), inspection personnel can be helped to timely deal with emergency events to ensure safe running of the drainer, and the monitoring system has the functions of system interlocking, inspection recording, data tracing and alarming.
In order to achieve the above purpose, the utility model provides an intelligent automatic reset leakage-proof gas drainage monitoring system, which comprises an automatic exhaust resetting device and an explosion-proof electromagnetic valve; the side surface of the automatic exhaust resetting device is communicated with the lower part of the device shell of the gas leakage-proof device through an accident stop valve, and the top part of the automatic exhaust resetting device is communicated with the upper part of the device shell of the gas leakage-proof device through an explosion-proof electromagnetic valve; the coal gas leakage-proof device is connected with the bottom of the drainer shell of the drainer through a drainer water outlet pipe; the top surface of the drainer shell is provided with an explosion-proof liquid level sensor, an explosion-proof terminal box, an explosion-proof alarm lamp and a condensed water inlet valve; the side surface of the shell of the drainer is provided with an anti-explosion pressure transmitter, an electric water replenishing valve and an anti-explosion temperature sensor from top to bottom in sequence; a gas concentration detector is arranged at the top of the side surface of the drainer shell; the front surface of the drainer shell is provided with an explosion-proof control box.
Further, the condensed water inlet valve is connected with the condensed water inlet pipe flange of the drainer through a sealing gasket and a fastening piece.
Further, the drain includes: the drainage device comprises a drainage device internal connecting pipe, a drainage device bottom drainage hand hole, a drainage device water outlet pipe, a condensed water overflow pipe, a drainage device condensed water drainage pipe and a drainage device shell; a water outlet pipe of the drainer extends out of the bottom of the drainer shell on the opposite surface of the anti-explosion temperature sensor, a drainer condensed water drain pipe is arranged on the water outlet pipe of the drainer, and an upper flange of the drainer condensed water drain pipe is connected with a lower flange of the gas anti-leakage device through a sealing gasket and a fastening piece, so that the drainer is communicated with the anti-leakage device and the condensed water is discharged; the condensed water overflow pipe receives the condensed water flowing out of the overflow port of the gas leakage-proof device.
Further, explosion-proof pressure transmitter passes through the maintenance valve and communicates with the drainer inner chamber, and explosion-proof pressure transmitter is fixed in drainer casing upper portion through the pressure transmitter mount.
Further, electronic water supply valve establishes at drainer casing middle part, includes: a water replenishing check valve, a water replenishing pipe and a water replenishing pipe flange; one end of the water replenishing pipe is welded with the drainer shell and is communicated with the inner cavity of the drainer, and the other end of the water replenishing pipe is connected with the electric water replenishing valve through a sealing gasket, a fastening piece and a water replenishing pipe flange; the electric water replenishing valve and the water replenishing check valve are connected through a sealing gasket and a fastening piece.
Further, explosion-proof temperature sensor passes through service valve and drainer inner chamber intercommunication, and explosion-proof temperature sensor is fixed in drainer casing lower part through the temperature sensor mount.
Further, the gas leakage preventing device comprises: the device comprises a device shell, an anti-leakage device indicating rod, an accident cut-off valve, an exhaust pipe, a signal switch and a signal switch connecting frame; one end of the exhaust pipe is connected with the accident stop valve through threads, the other end of the exhaust pipe is welded on a device shell of the gas leakage prevention device, the signal switch is fixed on a signal switch connecting frame, and the signal switch connecting frame is connected to the top of the device shell through a fastening piece.
Further, the automatic exhaust resetting device includes: an inlet flange of the automatic resetting device, a pollution discharge screw plug, a sealing ring, a sealing plate, a guide rod, a spring, a cover, an adjusting rod, an outlet pipe of the resetting device and an explosion-proof electromagnetic valve; the inlet flange of the automatic resetting device is communicated with the inner cavity of the automatic exhaust resetting device and is welded on the shell of the automatic resetting device, and the blowdown screw plug is arranged at the bottom of the automatic exhaust resetting device; the sealing ring is embedded and fixed on the shell of the automatic exhaust resetting device, and the shell and the circular flat plate of the cover are connected and fastened through a sealing gasket and a fastening piece; the sealing plate is fixed on the guide rod, the spring is arranged in the circular tube of the cover, the guide rod penetrates through an inner hole of the spring, and the adjusting rod is screwed into the circular tube of the cover through threads and presses the spring; the guide rod is inserted into the inner hole of the adjusting rod for guiding and positioning; the outlet pipe of the resetting device is welded on the circular flat plate of the cover; the explosion-proof electromagnetic valve is respectively connected and fastened with the outlet pipe of the resetting device and the exhaust pipe through fastening and sealing gaskets. When the drainer works normally and the coal gas leakage-proof device is in an opening state, condensed water is drained normally through the drainer and the leakage-proof device. The sealing plate presses the sealing ring under the action of the spring, and the automatic resetting device is in a closed state; meanwhile, the explosion-proof electromagnetic valve is in a closed state. When the coal gas overpressure water seal is broken down, the anti-leakage device is closed, the indicating rod extends upwards, the upper part of the indicating rod is close to the signal switch, the signal switch transmits a feedback signal of closing the anti-leakage device to the anti-explosion control box, meanwhile, overpressure coal gas airflow pushes the sealing plate open, the sealing plate is pushed open by the 'gas building' (overpressure coal gas) sealed between the anti-leakage device and the outlet of the drainer, overpressure coal gas enters the anti-explosion electromagnetic valve through the automatic exhaust resetting device, the anti-explosion control box sends out an instruction, the anti-explosion electromagnetic valve is opened in a delayed mode (set for 5 s), and the 'gas building' is discharged completely outwards instantly (. After the gas pressure returns to normal, the anti-leakage device automatically resets, the indication rod of the anti-leakage device falls back, the feedback signal of the signal switch disappears, and meanwhile, the sealing plate falls back under the action of the spring to compress the sealing ring; the explosion-proof control box sends out an instruction, and the explosion-proof electromagnetic valve is automatically closed.
Furthermore, the gas concentration detector is arranged at the top of the drainer shell through a gas concentration detector fixing frame.
Further, the explosion-proof liquid level sensor is communicated with a drainer (a low-pressure chamber) through a liquid level sensor connecting pipe.
Furthermore, the explosion-proof terminal box is welded and fixed on the drainer shell through the terminal box connecting frame.
Furthermore, the explosion-proof control box is connected and fixed on the front surface of the drainer shell through a fastener and is connected with the instrument, the valve, the explosion-proof alarm lamp and the external power supply through a control line and an explosion-proof terminal box.
Furthermore, the explosion-proof alarm lamp is fixed at the top of the drainer shell through an explosion-proof alarm lamp fixing frame.
The utility model discloses to seal "feel suffocated" (superpressure coal gas) between preventing leaking device and drainer export and get rid of, realize preventing leaking device automatic re-setting, drainer automatic water supply. Meanwhile, the working state (liquid level, pressure, temperature and carbon monoxide concentration) of the online-running drainer can be monitored in one-to-one real time through the mobile phone APP or the central data processing system (Internet of things), data transmission and comparison analysis are carried out, the monitoring system has the functions of system interlocking, routing inspection recording, data tracing, interface warning and alarming, and routing inspection personnel can be helped to take safety disposal measures in time to ensure the safe running of the drainer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a functional panel diagram of the explosion-proof control box of the present invention.
In the figure, 1, a condensate water inlet valve, 2, a drainer, 3, a pressure transmitter connecting pipe, 4, a service valve, 5, an explosion-proof pressure transmitter, 6, a pressure transmitter fixing frame, 7, a water supplementing check valve, 8, an electric water supplementing valve, 9, a water supplementing pipe, 10, a water supplementing pipe flange, 11, an explosion-proof temperature sensor, 12, a temperature sensor connecting pipe, 13, a service valve, 14, a temperature sensor fixing frame, 15, a drainer internal connecting pipe, 16, a sewage discharging hand hole, 17, a drainer water discharging pipe, 18, a condensate water overflow pipe, 19, a drainer condensate water discharging pipe, 20, a coal gas leakage prevention device, 201, a leakage prevention device indicating rod, 21, an accident stop valve, 22, an automatic resetting device inlet flange, 23, an automatic exhausting resetting device, 24, a sewage discharging screw plug, 25, a sealing ring, 26, a sealing plate, 27, a guiding rod, 28, a, 30. The gas concentration detector comprises an adjusting rod, 31, an outlet pipe of a reset device, 32, an explosion-proof electromagnetic valve, 33, an exhaust pipe, 34, a signal switch, 35, a signal switch connecting frame, 36, a gas concentration detector, 37, a gas concentration detector fixing frame, 38, an explosion-proof liquid level sensor, 39, a liquid level sensor connecting pipe, 40, an explosion-proof terminal box, 41, a terminal box connecting frame, 42, an explosion-proof control box, 43, an explosion-proof alarm lamp, 44, an explosion-proof alarm lamp fixing frame and 45 and a drainer shell.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are only used for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, an intelligent automatic-reset leakage-proof gas drainage monitoring system comprises an automatic exhaust resetting device 23 and an explosion-proof electromagnetic valve 32; the side surface of the automatic exhaust resetting device 23 is fixed at the lower part of the device shell of the gas leakage-proof device 20 through an accident cut-off valve 21, and the top part is fixed at the upper part of the device shell of the gas leakage-proof device 20 through an explosion-proof electromagnetic valve 32; the coal gas leakage-proof device 20 is connected with the bottom of the drainer shell 45 of the drainer 2 through the drainer water outlet pipe 17; the top surface of the drainer shell 45 is provided with an explosion-proof liquid level sensor 38, an explosion-proof terminal box 40, an explosion-proof alarm lamp 43 and a condensed water inlet valve 1. The side surface of the drainer shell 45 is sequentially provided with an explosion-proof pressure transmitter 5, an electric water supply valve 8 and an explosion-proof temperature sensor 11 from top to bottom; the explosion-proof control box 42 is arranged on the front surface of the drainer shell 45.
The condensate inlet valve 1 is flanged to the condensate inlet pipe of the drainer 2 by means of a gasket, fasteners and the like. The condensed water inlet valve 1 is used as a condensed water cut-off device, the inlet end of the condensed water inlet valve is connected with a condensed water descending pipe, and the outlet end of the condensed water inlet valve is connected with the inlet end of a drainer 2. When the drainer 2 works normally, the condensed water inlet valve 1 is in an open state; when the gas and the gas of the pipe network are continuously over-pressurized or the drainer needs to be overhauled and cleaned, the condensed water inlet valve 1 is closed.
The drainer 2 includes: a drainer internal connecting pipe 15, a sewage draining hand hole 16 at the bottom of the drainer 2, a drainer water outlet pipe 17, a condensed water overflow pipe 18, a drainer condensed water drain pipe 19 and a drainer shell 45; a drainer water outlet pipe 17 extends out of the bottom of the drainer shell 45 on the opposite surface of the anti-explosion temperature sensor 11, and a drainer condensed water drain pipe 19 is arranged on the drainer water outlet pipe 17. Drainer internal connection pipe 15 respectively with drainer casing 45 internal weld, drainer casing 45 is a closed container, 2 inner chambers of drainer are filled with water, form the water seal of effective height, outside pipe network and pipeline comdenstion water get into 2 inner chambers of drainer, through effective water seal with the coal gas shutoff, the comdenstion water passes through drainer internal connection pipe 15, drainer outlet pipe 17, drainer comdenstion water drain pipe 19, the outflow of coal gas leak protection device 20, concentrate the emission after the collection of comdenstion water overflow pipe 18. When the inner cavity of the drainer 2 needs to be cleaned, the sewage discharging hand holes 16 at the bottom of the drainer 2 are respectively opened, and the sewage discharging hand holes 16 are sealed and closed after the cleaning is finished.
The explosion-proof pressure transmitter 5 is communicated with the inner cavity of the drainer 2 through the service valve 4. One end of the pressure transmitter connecting pipe 3 is welded on the inner cavity of the drainer 2 (the upper part of the first chamber) and the inner cavity of the drainer 2, the other end of the pressure transmitter connecting pipe is connected with the explosion-proof pressure transmitter 5 through the maintenance valve 4, the pressure transmitter fixing frame 6 is connected with the explosion-proof pressure transmitter 5 through a bolt, and the pressure transmitter fixing frame 6 is welded and fixed on the drainer shell 45. The explosion-proof pressure transmitter 5 detects the gas pressure in the inner cavity of the drainer 2 and transmits real-time pressure data to a terminal user through the Internet of things platform.
Electric water replenishing valve 8 is arranged in the middle of drainer 2 and comprises: a water supplementing check valve 7, a water supplementing pipe 9 and a water supplementing pipe flange 10; one end of the water replenishing pipe 9 is welded with the drainer shell 45 and is communicated with the inner cavity of the drainer 2, and the other end of the water replenishing pipe is connected with the electric water replenishing valve 8 through a sealing gasket, a fastening piece and a water replenishing pipe flange 10; the electric water replenishing valve 8 and the water replenishing check valve 7 are connected through a sealing gasket and a fastening piece. The electric water replenishing valve 8 is automatically closed when the liquid level is high, and the electric water replenishing valve 8 is automatically opened when the liquid level is low and the liquid level is alarmed. When the gas in the inner cavity of the drainer 2 is in overpressure and is at a low liquid level or an alarm liquid level, the electric water replenishing valve 8 is in an open state, and meanwhile, when an external water replenishing pipe network fails and the gas pressure in the inner cavity of the drainer is greater than the water pressure of the water replenishing pipe, the water replenishing check valve 7 is automatically closed to prevent the gas from flowing backwards into the water replenishing pipe network, so that potential safety hazards are eliminated.
Explosion-proof temperature sensor 11 installs in the first room lower part of drainer 2, detects the temperature of drainer inner chamber, transmits real-time temperature data to end user through thing networking platform. One end of the temperature sensor connecting pipe 12 is welded on the drainer 2 (the lower part of the first chamber) and communicated with the inner cavity of the drainer 2, the other end of the temperature sensor connecting pipe is connected with the explosion-proof temperature sensor 11 through the maintenance valve 13, the temperature sensor fixing frame 14 is connected with the explosion-proof temperature sensor 11 through bolts, and the temperature sensor fixing frame 14 is welded and fixed on the drainer shell 45.
The gas leakage prevention device 20 is a well-established art. The gas leakage preventing device 20 includes: the device shell, an indication rod 201 of the leakage-proof device, an accident cut-off valve 21, an exhaust pipe 33, a signal switch 34 and a signal switch connecting frame 35; the accident cutoff valve 21 and the exhaust pipe 33 are respectively welded to the device case of the gas leakage preventing device 20. The signal switch 34 is fixed on a signal switch connecting frame 35, and the signal switch connecting frame 35 is connected to the top of the device shell through a fastener. The lower part of the device shell is connected with a condensate water drain pipe 19 of the drainer, and when the external pipe network coal gas is in overpressure or the drainer is in a water shortage state (alarm water level), the coal gas leakage-proof device 20 is closed, and the coal gas leakage is reliably cut off. The gas leakage preventing device 20 is connected with an inlet flange 22 of the automatic resetting device through an accident stop valve 21. The sealed overpressure gas in the inner cavity of the drainer 2 enters the automatic exhaust resetting device 23. The accident cut-off valve 21 can be manually closed on line when the automatic exhaust resetting device 23 or the explosion-proof electromagnetic valve 32 is in failure or needs to be repaired. The coal gas leakage prevention device is closed under the impact of overpressure coal gas flow, the leakage prevention device indication rod 201 extends upwards, the upper portion of the leakage prevention device indication rod 201 is close to the signal switch 34, meanwhile, the signal switch 34 sends a feedback signal that the leakage prevention device 20 is closed, the real-time working state of the drainer is transmitted to an end user through the Internet of things platform, and the drainer water seal of inspection personnel is informed to be in a breakdown state, the drainer is in an alarm liquid level state or the coal gas is in a continuous overpressure state. When the overpressure condition is continuously kept, the alarm can be simultaneously given on site.
The automatic exhaust resetting device 23 includes: the automatic resetting device comprises an inlet flange 22, a pollution discharge screw plug 24, a sealing ring 25, a sealing plate 26, a guide rod 27, a spring 28, a cover 29, an adjusting rod 30, an outlet pipe 31 of the resetting device and an explosion-proof electromagnetic valve 32. The cover 29 is composed of a circular flat plate and a circular tube to which the flat plate is welded. An inlet flange 22 of the automatic resetting device is communicated with the inner cavity of the automatic exhaust resetting device 23 and is welded on the shell of the automatic resetting device, and a pollution discharge screw plug 24 is arranged at the bottom of the automatic exhaust resetting device 23; the sealing ring 25 is an annular rubber ring and is embedded and fixed on the shell of the automatic exhaust resetting device 23; the shell of the automatic exhaust resetting device 23 is tightly connected with the circular flat plate of the cover 29 through a sealing gasket and a fastening piece; the sealing plate 26 is fixed on the guide rod 27, the sealing plate 26 is a circular flat plate, the outer diameter of the sealing plate 26 is larger than the outer circle of the sealing ring 25, and the outer diameter of the sealing plate 26 is smaller than the inner hole of the shell of the automatic exhaust resetting device 23; the spring 28 is arranged in the round tube of the cover 29, the guide rod 27 passes through the inner hole of the spring 28, and the adjusting rod 30 is screwed into the round tube of the cover 29 by screw threads and presses the spring 28; the guide rod 27 is inserted into the inner hole of the adjusting rod 30 for guiding and positioning; the outlet pipe 31 of the resetting device is welded with the round flat plate of the cover 29 and is communicated with the inner cavity of the automatic exhaust resetting device 23; the explosion-proof electromagnetic valve 32 is respectively connected and fastened with the outlet pipe 31 of the resetting device and the exhaust pipe 33 through fasteners and sealing gaskets. When the drainer 2 works normally, the gas leakage preventing device 20 is in an open state, and the condensed water is drained normally through the drainer 2 and the overflow port of the gas leakage preventing device 20. The seal plate 26 is pressed against the seal ring 25 by the spring 28 while the explosion-proof solenoid valve 32 is in a closed state. When the coal gas overpressure water seal is broken down, the indication rod 201 of the leakage prevention device extends upwards, the upper part of the indication rod 201 of the leakage prevention device is close to the signal switch 34, the signal switch 34 sends a feedback signal that the leakage prevention device 20 is closed, the overpressure coal gas flow pushes the sealing plate 26 open, the sealing plate 26 is separated from the sealing ring 25, the 'gas holdback' (overpressure coal gas) sealed in the outlet of the leakage prevention device and the drainer enters the explosion-proof electromagnetic valve 32 through the automatic exhaust resetting device 23 and the outlet pipe 31 of the resetting device, the explosion-proof control box 42 sends a command, the explosion-proof electromagnetic valve 32 is opened in a delayed (set for 5 s), and the 'gas holdback' is discharged. After the gas pressure returns to normal, the sealing plate 26 presses the sealing ring 25 under the action of the spring 28, meanwhile, the anti-leakage device is reset, the anti-leakage device indicates that the rod 201 falls back, the feedback signal of the signal switch 34 disappears, the anti-explosion control box 42 sends a command, and the anti-explosion electromagnetic valve 32 is automatically closed.
The monitoring system detects the liquid level according to an explosion-proof liquid level sensor 38 arranged at the top of the low-pressure chamber of the drainer 2, makes judgment and transmits data to an end user. When the water level is low or alarm, the electric water replenishing valve 8 is automatically opened to automatically replenish water to the drainer 2, and when the water level is high (time delay 2 s), the electric water replenishing valve 8 is automatically closed. The spring 28 adjusts the pretightening force of the adjusting rod 30 through the lifting of the adjusting rod according to the gas pressure, and determines the opening and resetting time of the sealing plate 26. When the gas is continuously over-pressurized, the sealing plate 26 and the anti-explosion electromagnetic valve 32 are always in an open state, the gas anti-leakage device 20 cannot be automatically reset, the upper part of the anti-leakage device indication rod 201 is continuously close to the signal switch 34, in order to prevent the gas from continuously leaking out through the automatic exhaust resetting device 23 to generate potential safety hazards and environmental pollution, the time delay of 50s (setting and adjustment) is sent out through the anti-explosion control box 42, the anti-explosion electromagnetic valve 32 is automatically closed, the site alarm is carried out, and the working state data is transmitted to an end user.
The gas concentration detector 36 is mounted at the top of the side face of the drainer shell 45, detects the gas concentration in real time, and transmits real-time gas concentration data to a terminal user through an Internet of things platform. The gas concentration detector fixing frame 37 and the gas concentration detector 36 are connected through bolts, and the fixing frame 37 is welded and fixed on the top of the drainer shell 45.
Explosion-proof level sensor 38 installs at the low-pressure chamber top of drainer 2, and real-time detection drainer 2 liquid level height transmits real-time liquid level data to end user through thing networking platform. And alarming on site when the alarm liquid level is reached. The upper part of the liquid level sensor connecting pipe 39 is connected with the explosion-proof liquid level sensor 38 through a flange and a sealing gasket by adopting a fastening piece, and the lower part of the liquid level sensor connecting pipe 39 is communicated with the low-pressure chamber of the drainer 2 and is firmly welded.
The explosion-proof terminal box 40 is fixed to the drain case 45 through the terminal box connecting frame 41, the explosion-proof terminal box 40 is connected to the terminal box connecting frame 41 through a fastener, and the terminal box connecting frame 41 is welded and fixed to the drain case 45. The explosion-proof terminal box 40 is used for connecting a power line and an explosion-proof pipe and switching control lines among an internal instrument, a valve, an explosion-proof alarm lamp and an explosion-proof electric cabinet.
The explosion-proof control box 42 is connected and fixed on the front surface of the drainer shell 45 through a fastener and is connected with an internal instrument, a valve, an explosion-proof alarm lamp and an external power supply through a control line and an explosion-proof terminal box 40. Relevant monitoring signals are displayed on site, the monitoring signals and data are processed and transmitted, the signals are transmitted to a terminal user through an Internet of things platform, the working state (water level, pressure, temperature and carbon monoxide concentration) of the online-running water drainer is monitored and analyzed in real time in a one-to-one mode, and inspection personnel are helped to timely handle emergency events to ensure the safe running of the water drainer. The functions of interlocking, routing inspection recording, data tracing and alarming of the monitoring system are realized.
The explosion-proof alarm lamp 43 is fixed on the drainer housing 45 through an explosion-proof alarm lamp fixing frame 44. The explosion-proof alarm lamp 43 is connected with the explosion-proof control box through a control line, and the sound and light alarm is carried out on site when the drainer is in the alarm liquid level, the coal gas is continuously overpressured and the coal gas concentration exceeds the standard.
As shown in fig. 2, a functional panel diagram of the explosion proof control box 42. The device is respectively provided with indicator lamps such as a high liquid level, a low liquid level, an alarm liquid level, a heating start, coal gas overpressure, a water replenishing valve opening, a water replenishing valve closing, an electromagnetic valve opening, an electromagnetic valve closing, a power supply indication, a fault alarm, coal gas concentration overproof and the like. When the drainer 2 is in the state of alarm liquid level, excessive gas concentration or excessive gas pressure, the site gives an audible and visual alarm, which is convenient for the workers to observe on site and make relevant safety measures in time.
The device is respectively provided with a power supply on/off switch, a remote/local change-over switch, a routing inspection switch, an emergency cut-off button, a water replenishing valve on/off button and a solenoid valve on/off button.
● is realized by power on/off: the intelligent automatic reset anti-leakage coal gas drainer and the monitoring system are powered on or powered off.
● by switching of remote/local transfer switches, in the local state: and when the system is debugged, the manual button realizes the opening/closing of the water replenishing valve and the opening/closing of the electromagnetic valve. In the remote state: the water replenishing valve and the electromagnetic valve can be automatically opened/closed according to the working state of the drainer, and relevant monitoring signals and data are transmitted to a terminal user through the Internet of things platform.
● emergency disconnect button: under the condition of an accident state or abnormal conditions, the system power supply can be cut off emergently to prevent potential safety hazards.
● patrol switch: the inspection switch is turned on to realize the inspection recording function and the expert analysis system of the working state of the drainer, the real-time working state of the drainer is continuously monitored and recorded, the monitored data is compared and analyzed by the expert analysis system (after the related data is subjected to alarm interval setting), and the monitoring page of the terminal user is provided with three colors of yellow, orange and red according to the hazard level and alarms by ringing. And warning workers to take relevant safety disposal measures.
The utility model discloses set up and prevent leaking the device, can prevent that coal gas from leaking outward when the coal gas superpressure water seal is punctured. The automatic exhaust resetting device 23 and the explosion-proof electromagnetic valve 32 are arranged to remove the 'suffocated' (overpressure gas) sealed in the outlet of the leakage-proof device and the drainer, automatically reset the leakage-proof device and automatically supplement water to the drainer. Meanwhile, the working state (liquid level, pressure, temperature and carbon monoxide concentration) of the online-running drainer is monitored, recorded and transmitted to a terminal user in a one-to-one real-time mode through the Internet of things platform of the explosion-proof control box, comparison and analysis of data and signals are carried out, the functions of interface warning and alarming are achieved, and patrol personnel are warned to adopt safety measures in time. The utility model discloses setting up and preventing leaking the device and can realizing drainer online intelligent monitoring, automatic safe operation under the condition that reduces the cost of labor by a wide margin.
The utility model discloses fundamentally solves 24 hours and carries out real time monitoring and automatic recording to drainer operating condition in succession, carries out real time monitoring to drainer inside gas pressure, temperature, liquid level and carbon monoxide concentration simultaneously, and data processing, transmission, be equipped with the control and report to the police, through central data processing system or cell-phone APP, the personnel of patrolling and examining can master every drainer working condition in real time. The utility model discloses reduce a large amount of manual works and patrol and examine the cost, ensure gas pipe network system safe operation.
The utility model discloses it is convenient to operate, maintain, multiple functional. Good universality and the product can be designed in series. Meanwhile, the application range is wide, the method is suitable for industries such as coal gas preparation, coal gas conveying and coal gas use, industrial production can be realized, and considerable social and economic benefits can be created.
Claims (9)
1. The utility model provides an intelligent automatic re-setting prevents leaking coal gas drainage monitoring system which characterized in that: comprises an automatic exhaust resetting device and an explosion-proof electromagnetic valve; the side surface of the automatic exhaust resetting device is fixed at the lower part of the device shell of the gas leakage-proof device through an accident stop valve, and the top part of the automatic exhaust resetting device is connected with the upper part of the device shell of the gas leakage-proof device through an explosion-proof electromagnetic valve; the coal gas leakage-proof device is connected with the bottom of the drainer shell of the drainer through a drainer water outlet pipe; the top surface of the drainer shell is provided with an explosion-proof liquid level sensor, an explosion-proof terminal box, an explosion-proof alarm lamp and a condensed water inlet valve; the side surface of the shell of the drainer is provided with an anti-explosion pressure transmitter, an electric water replenishing valve and an anti-explosion temperature sensor from top to bottom in sequence; a gas concentration detector is arranged at the top of the side surface of the drainer shell; the front surface of the drainer shell is provided with an explosion-proof control box.
2. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: the condensed water inlet valve is connected with a condensed water inlet pipe flange of the drainer through a sealing gasket and a fastener.
3. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: the drainer includes: the drainage device comprises a drainage device internal connecting pipe, a drainage hand hole at the bottom of the drainage device, a drainage device water outlet pipe, a condensed water overflow pipe, a drainage device condensed water drainage pipe and a drainage device shell; the water outlet pipe of the drainer extends out of the bottom of the drainer shell on the opposite surface of the anti-explosion temperature sensor, a drainer condensate water drain pipe is arranged on the water outlet pipe of the drainer, the coal gas leakage prevention device realizes condensate water discharge through a sealing gasket, a fastening piece and the flange connection of the drainer condensate water drain pipe, and the condensate water overflow pipe receives condensate water flowing out of an overflow port of the coal gas leakage prevention device.
4. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: the explosion-proof pressure transmitter is communicated with the inner cavity of the drainer through the maintenance valve, and the explosion-proof pressure transmitter is fixed on the upper part of the drainer shell through the pressure transmitter fixing frame.
5. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: electric water replenishing valve is established at drainer casing middle part, includes: a water replenishing check valve, a water replenishing pipe and a water replenishing pipe flange; one end of the water replenishing pipe is welded with the drainer shell and is communicated with the inner cavity of the drainer, and the other end of the water replenishing pipe is connected with the electric water replenishing valve through a sealing gasket, a fastening piece and a water replenishing pipe flange; the electric water replenishing valve and the water replenishing check valve are connected through a sealing gasket and a fastening piece.
6. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: the explosion-proof temperature sensor is communicated with the inner cavity of the drainer through the maintenance valve, and the explosion-proof temperature sensor is fixed on the lower part of the drainer shell through the temperature sensor fixing frame.
7. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: the automatic exhaust resetting device comprises: an inlet flange of the automatic resetting device, a pollution discharge screw plug, a sealing ring, a sealing plate, a guide rod, a spring, a cover, an adjusting rod, an outlet pipe of the resetting device and an explosion-proof electromagnetic valve; the inlet flange of the automatic resetting device is communicated with the inner cavity of the automatic exhaust resetting device and is welded on the shell of the automatic resetting device, and the blowdown screw plug is arranged at the bottom of the automatic exhaust resetting device; the sealing ring is fixed on the shell of the automatic exhaust resetting device, and the shell is connected with the circular flat plate of the cover through a sealing gasket and a fastening piece; the sealing plate is fixed on the guide rod, the spring is arranged in the circular tube of the cover, the guide rod penetrates through an inner hole of the spring, and the adjusting rod is screwed into the circular tube of the cover through threads and presses the spring; the guide rod is inserted into the inner hole of the adjusting rod for guiding and positioning; an outlet pipe of the resetting device is welded with the circular flat plate of the cover; the explosion-proof electromagnetic valve is respectively connected and fastened with the outlet pipe of the resetting device and the exhaust pipe through a fastening piece and a sealing gasket.
8. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: and a gas concentration detector is arranged at the top of the side surface of the drainer shell.
9. An intelligent automatic-resetting leak-proof gas drainage monitoring system according to claim 1, characterized in that: and the explosion-proof liquid level sensor is communicated with the low-pressure chamber of the drainer through a liquid level sensor connecting pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922364495.7U CN211315804U (en) | 2019-12-25 | 2019-12-25 | Intelligent automatic reset leakage-proof coal gas drainage monitoring system |
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| CN201922364495.7U CN211315804U (en) | 2019-12-25 | 2019-12-25 | Intelligent automatic reset leakage-proof coal gas drainage monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906168A (en) * | 2019-12-25 | 2020-03-24 | 江苏沃泰冶金设备有限公司 | Intelligent automatic reset leakage-proof coal gas drainage monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906168A (en) * | 2019-12-25 | 2020-03-24 | 江苏沃泰冶金设备有限公司 | Intelligent automatic reset leakage-proof coal gas drainage monitoring system |
| CN110906168B (en) * | 2019-12-25 | 2024-08-16 | 江苏沃泰冶金设备有限公司 | Intelligent automatic reset leakage-proof gas drainage monitoring system |
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