How does the coal yard safety monitoring system work?

Coal yard safety monitoring systems have been used more and more widely. It is mainly used in coal-fired enterprises such as thermal power, coal chemical, metallurgy (steel, coking), port terminals, coal blending centers. In order to strengthen the safety monitoring of power plant engineering, ensure the safety of personnel and smooth production, the closed coal field spontaneous combustion safety monitoring system developed by the combination of infrared thermal image monitoring technology, flammable gas monitoring technology and artificial intelligence expert diagnosis system can Early detection of self-heating and spontaneous combustion signs of coal piles, judging self-heating and spontaneous combustion conditions, realizing on-line monitoring of spontaneous combustion of coal piles, reducing serious threats caused by coal-fired temperature to power plant production safety, and ensuring normal production of power plants.

The coal mine safety monitoring system needs to monitor and calculate the data: whether the internal temperature of the coal burning on the side of the coal yard of the circular coal yard is too high, whether the concentration of toxic gas and oxygen including CO and CH4 is too thick, and the inflow and out Is there a bright fire point in the coal burning of the coal yard?

Specifically, the system is mainly composed of four parts: open fire coal safety monitoring and alarm system, stacker and reclaimer toxic gas safety monitoring and alarm system, temperature safety monitoring and alarm system and data acquisition safety control system. Simply put, the components of the coal yard safety monitoring system include three categories: data acquisition terminals, data transmission systems and data processing control systems.

Due to the large coal storage and long storage time of the closed coal yard, no matter what kind of stacker and reclaimer is adopted, there is a certain distance between the reclaimer arm and the coal retaining wall, and this distance is exactly the dead angle of the reclaimer; The coal in the center position of the coal yard cannot be discharged â€œfirst in, first outâ€, so the coal in the middle and lower part of the coal retaining wall is prone to spontaneous combustion.

System composition:

Acquisition terminal equipment - temperature sensor, coal seam multi-point temperature measuring cable sensor, CH4 sensor, CO sensor, open flame sensor.

Acquisition system - monitoring host, intelligent acquisition module, intelligent acquisition instrument.

Processing and control system - all kinds of cables, communication networks, industrial computer + configuration software.

Data acquisition, data processing and control systems:

The probe (analog/switching signal) of various measured parameters (temperature, gas, smoke, open flame, etc.) of the closed (circular, strip) coal yard is monitored by the coal yard for safety, closed (round, strip shape) The pre-embedded cable of the coal yard is transmitted to the PLC controller and the intelligent acquisition module in the monitoring host; the monitoring host communicates with the operation station via the RS485 bus, and the operation station is composed of an industrial computer and industrial configuration software.

Among them, the software has functions such as realistic picture display, man-machine dialogue, alarm record, accident recall query, print report and data curve.

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Flow-chat of Batch Waste Plastic Pyrolysis Plant

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Technical Parameter of Batch Waste Plastic Pyrolysis Plant

NO.	ITEM	PROJECT
1	Equipment Model	XY-7	XY-8
2	Door Model	Full Open Door	Full Open Door
3	Suitable Raw Materials	Rubber/Plastic Products	Rubber/Plastic Products
4	Structure	Horizontal Type Revolves	Horizontal Type Revolves
5	Reactor Size	Î¦22006000mm Î¦26006600mm	Î¦22006000mm Î¦26006600mm
6	Capacity for One Batch	5-6Mt; 8-10Mt	5-6Mt; 8-10Mt
7	Oil Yield of Tires	40%-45%	40%-45%
8	Work Pressure	Normal Pressure	Normal Pressure
9	Reactor Rotation Speed	0.4R/M	0.4R/M
10	Fuels Choice	Coal, Wood	Coal, Wood, Gas, Oil
11	Power	18KW/H	18-25KW/H
12	Cooling Method	Water Cycling	Water Cycling
13	Type of Drive	External Annular Gear	External Annular Gear
14	Heating Method	Direct	Direct
15	Type of Installation	With Foundation	With Foundation/Integrated Base
16	Noise dB(A)	â‰¦85	â‰¦85
17	Operation Mode	Intermittent Operation	Intermittent Operation
18	Total Weight(MT)	25-40	25-40
19	Installation Space Required	30m*10m	30m*10m
20	Manpower	3~4/batch	3~4/batch
21	Shipment	Ð¤2200Ã—6000=140HC+140FR Ð¤2600Ã—6600=240HC+140FR	Ð¤2200Ã—6000=140HC+140FR Ð¤2600Ã—6600=240HC+140FR

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