china coal fired hot water boiler machine

china coal fired hot water boiler machine

The central heating boiler is especially suitable for schools, department, hotels, public bathhouse and such projects with hot water supplies. Our boiler forheatingare mainly WNS oil & gas fired boiler, coal fired boiler, biomass fired boiler etc. The fuels of oil & gas fired boiler shall be natural gas, city gas, LPG, methane, methane, ethanol and other flammable gases, light oil, diesel etc. And the biomass fuels shall be rice husk, peanut shells, bark, sawdust, bagasse, coconut shells, straw etc. All these boilers are quite economy, but people prefer oil gas fired boiler and biomass fired boiler due to the environment protection policies.

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Water tube horizontal boiler( DZL coal & biomass fired type)

This type of boiler is generally preferred in high pressure applications because the high pressure water/steam can be contained within narrow pipes which can contain the pressure with a thinner wall. The thinner wall allows better heat transfer, however can be susceptible to damage by vibration caused by flue gas flow.

Main contents of boiler energy efficiency test:

1. Boiler thermal efficiency test: a) determination of boiler evaporation; b) boiler excess air coefficient detection; c) exhaust smoke temperature detection; d) fuel combustion efficiency test; e) boiler thermal efficiency test; f) fuel consumption; g) Steam to coal ratio.

2. Boiler new product stereotyped energy efficiency test: Determine whether the boiler thermal performance indicators are consistent with the design and determine the operation mode of the equipment. Such as boiler evaporation, boiler thermal efficiency, combustion efficiency, various heat losses and so on.

3. Boiler operation adjustment test: Determine the most economical operation mode of the boiler and identify defects in the boiler operation. Such as boiler maximum load, boiler minimum load, fuel requirements, economic load, reasonable exhaust gas temperature, optimum wind coal ratio, excess air ratio, secondary air ratio and so on.

4. Comparative test of thermal performance before and after boiler reform: changes in evaporation, effects of combustion, thermal efficiency of boilers, etc.

5, fuel industry analysis, elemental analysis: to judge the quality of oil, gas and other fuels, easy for enterprises to control the quality of fuel into the plant.

6, water quality testing, scale analysis: determine the quality of water, control the boiler water indicators to prevent boiler fouling.

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