szl coal fired 8 ton steam boiler

szl coal fired 8 ton steam boiler

6 tons gas szl coal fired 8 ton steam boiler steam pressure adjusting a boiler operation, must frequently monitor the pressure gauge indicated. To maintain stable steam pressure, boiler pressure must not exceed the design pressure. Second, increasing boiler load: Steam pressure decreased boiler load is increased, if the level is high at this time, the amount of water should be reduced to a water supply or suspend, the amount of coal and increase the air volume. Gradually increase the amount of water at the same time to strengthen the burning, keep the steam pressure and the water level is normal. Third, the boiler load reduction: the vapor pressure rises to reduce boiler load, if the level is high at this time, the amount of coal should be reduced and the air volume, reduced combustion. Then the appropriate water reduction or suspension of water supply to the water vapor pressure and stability in the nominal range. Then press the normal combustion and the amount of feed water 8 to adjust. If the actual water level within the boiler is low, to increase the amount of water should, until the water level returns to normal after the combustion and needs to be adjusted according to the water vapor pressure and load changes.

Factors that affect factors superheated steam temperature changes affect food factory superheated szl coal fired 8 ton steam boiler plant food temperature variation effects superheated steam boiler temperature variation food factory, 1, 2 changes, and the air volume ratio of 3 changes, burner fuel properties and 4, 6, 7, change the saturated steam temperature change and desuperheating water flow operation mode change in water temperature in the pulverizing system 5, the heating surface cleanliness variation boiler load variations. Change in fuel volatile carbon content, calorific value and the like: 1. Variations in the nature of the fuel. When the roughening coal, fuel combustion in the furnace a long time, the center of the flame increases, the steam temperature. When the fuel water is increased, the heat absorption of water evaporation furnace, the furnace temperature is lowered, the increase in humidity, but also increases the volume of the flue gas, the flue gas flow increases, reducing the superheater heat radiation, convection superheater heat absorption is increased. 2. And change the air volume ratio: when increasing the oxygen content of the furnace, the low temperature due to heat absorption of cold air, the furnace temperature is lowered, the furnace outlet temperature. At a total gas flow is constant, a change will also cause shifts air distribution steam temperature. When a low flow rate is insufficient, part of incomplete combustion of pulverized coal, the flame center is moved upward, the furnace exit gas temperature. 3, changing the operating mode of the burners and pulverizing system: operating system will result in an upper pulverizing the steam temperature is increased, the swing angle of the burner changes, the change in center of the flame, steam temperature changes.

In order to implement the CPC Central Committee stressed that the spirit of environmental protection, and improve ambient air quality, Zigong City, Sichuan Province, along the beach area Market Supervisory Authority vigorously upgrading coal-fired boilers, coal-fired and successfully completed in 2018 within the jurisdiction of the county built-up area boiler out of the task.

It is reported that, along the beach area at the beginning of market Administration issued the "Notice on coal-fired boilers to establish long-term mechanism of control", strictly review the coal-fired boilers within the jurisdiction registered good customs, the illegal construction of coal-fired boilers firmly prohibit the registration, not be released "using the registration certificate." According to statistics, in 2018 a total cancellation of 38 coal-fired boiler units, which use the unit actively kills six, lost to corporate announcements of cancellation 32; guide the completion of the upgrading of clean energy companies working two boilers. Coal-fired boiler built in the region's county area have been "cleared."

This year, the beach area along Market Authority will also continue to promote the long-term control mechanisms coal-fired boilers, the "look back" checks that have been written off non-removal of equipment companies to speed up the removal of facilities and equipment, have been banned to prevent the resurgence of coal-fired boilers; non coal-fired boiler built in the county area, program of work, to prevent companies using untested boiler, timely elimination of scrap cancellation of registration.

Henan gas boilers and waste heat boilers have different it as long as the difference between Henan gas boilers and waste heat boilers are: 1 boiler heat source Henan gas is to use the medium of combustion (coal oil gas, etc...) Is obtained, and the heat source waste heat boiler is the use of industrial combustion waste heat waste heat. 2. Structure of Henan gas boiler and a bit more complex ancillary equipment, and waste heat boiler structure is relatively simple, the kind of industrial boilers and more, waste heat boiler is now more straight-through waste heat boiler. 3. parameters Henan gas boiler (pressure, level, temperature) and the like can be easily controlled because the combustion control, the operating parameters of the waste heat boiler is difficult to control, the operation of the heat source is a waste heat boiler with a combustion cycle in an industrial furnace varies . 4. Henan gas-fired boiler is mainly used for gas and steam turbine power generation and other support, waste heat boilers are generally equipment industrial furnace, that there are energy saving and environmental protection.

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