What is the state of a burning oil-gas boiler after it is put out? How to judge whether the burning oil and gas boiler is extinguished? Oil-gas boiler manufacturer-gas-fired Fangkuai boiler for you to introduce in detail: The indicator value of the negative pressure gauge in the furnace of oil and gas fired boiler suddenly increases, the furnace blackens, the flame can not be seen from the fire hole, the combustion sound in the furnace disappears, the flame monitor sends out the fire extinguishing signal. Air temperature, air pressure drops sharply, water level drops first and then rises, etc., all of which are extinguished. Due to the auxiliary engine accident caused by the quenching, such as induced fans, blower power interruption, there is also an accident signal; if the fuel supply interruption, the boiler fuel or gas pressure is reduced to zero.
11.Steam exiting the high pressure steam turbine is called cold reheat.
It is reheated in the re-heater and sent back to the second steam turbine. By the time the flue gas exits the boiler most of the energy in the coal will be transferred to the water in the boiler. The hot gases are cleaned up before they are sent to a stack. Feed water is generally supplied by condensed steam from the low pressure steam turbine. Large amounts of cooling water are used to condense this steam into liquid water in the condenser.
Fuel gas steam boiler safety and the prevention of fuel gas steam boiler is the flagship product, installation and after many years of production experience, now a comprehensive summary of the accident prevention measures gas boiler fuel and steam to share: fireman who must operate by the quality and technology supervision department issued the use of a registered boiler. Fireman who operate independently of the operating permit required to hold a fireman, and you meet the operational requirements of furnaces and categories. Boiler ignition should be done before the body of the boiler, burners and other auxiliary equipment, all attachments, valves, water supply, gas supply system and the electric control circuit inspection departments, and confirm normal. Play an open air valve, water to the pot water level slightly lower than normal water level. With "manual" to start the fan, the furnace was purged, the control system is adjusted to "auto" position, and then press the "start" switch, the boiler will be according to a predetermined program: Purge - Ignition - combustion - temporarily shutdown. Such as a faulty ignition program, fans can continue to manually purge and re-ignition, such as three unsuccessful ignition, to cease firing and gas, to identify the cause of the fault elimination, in order to re-ignite. When the pot was raised slightly greater than atmospheric pressure, the air valve has steam coming, can close the air valve. Requirements fuel gas steam boiler boost process, according to the provisions of checks and do all the operations carried out in order to confirm or steam supply and the normal furnace. After normal operation, you should always adjust the air supply, air supply and water supply, to maintain the water level and pressure stability, the need to adapt to the load, to ensure that the steam supply. Operation inspection checks should be carried out once every hour, and carry out all the provisions of the recording, check to confirm the name. Class should be flushed sewage water table and each time, the exhaust valve test, pressure gauge should be required to flush the requirements of the trap and check the safety devices perform, record and fill in, sign name recognition. First stop during normal shutdown supply, air supply is stopped later, to keep the water level above the normal water level. Fuel gas steam boiler furnace and flue gas boiler explosions are common in accidents.
Xuchang coal-fired boiler governance objectives:
In Xuchang complete basic steam 10 t / h coal-fired boiler Chaigai, and gradually expand the boiler removal and clean energy transformation of coal-fired range, before the end of 2020, out of a planned urban area 35 steam tons / hour and coal-fired boiler.
Coal-fired boiler subsidy:
(1) the completion of the coal-fired boiler Chaigai before the end of October 2018, giving not less than 60,000 yuan / tons of steam financial awards complement;
(2) the completion of the coal-fired boiler Chaigai before the end of October 2019, giving not less than 40,000 yuan / tons of steam financial awards complement;
(3) complete Chaigai coal-fired boilers for the end of October 2020, the prize money will not give up.
Xuchang boiler out of the way:
Removal, central heating alternative, coal gas, coal to electricity, use geothermal, wind, solar, biomass with a bag filter, to burn not including clean coal, coal-water slurry, anthracite, charcoal blue, green coke, crude oil, coal-fired boiler removal must be removed chimney or flue physical cutting, it does not have the complex production conditions. Do not use has been shut down, eliminated waste coal-fired boilers to cash rewards and subsidies. In the process of new coal-fired boilers to switch to natural gas to be synchronized to achieve low nitrogen transformation.
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