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Home Service FAQs FAQ of gas-fired(oil-fired) boilers What are the common methods for boiling the gas-fired boiler?

What are the common methods for boiling the gas-fired boiler?

13 Jan 2023

The common methods for boiling the gas-fired boiler:

1. Sodium carbonate (Na2CO3) or trisodium phosphate (Na3PO412H2O) and other drugs are used, and the dosage is calculated as per cubic meter of boiler volume, with the former being 5 kg and the latter being 3 kg;

2. Close the front manhole, hand hole and main steam valve (main water outlet valve), open the manhole of the upper drum, inject the prepared solution into the drum at one time, then close the manhole and open the emptying valve, so that the air and steam in the drum can be discharged outwards;

3. Inject the treated water into the boiler through the economizer, and the water feeding speed should be slow. When feeding water, check whether there is water leakage in the manhole cover, flange joint surface and drain valve of the boiler and economizer, and tighten the bolts if there is water leakage;

4. Open the ignition door to ignite the ignitor, and the fire should be gradually strengthened to avoid sudden heating, and the pressure in the pot should be slowly increased. If the pressure rises above 0.1MPa, the exhaust valve should be opened to release steam;

5. The boiler pressure shall be maintained for 24 hours when it rises to 0.4MPa, and then the combustion shall be stopped to gradually reduce the pressure to zero. When the water temperature is below 60℃, open the drain valve and discharge all the boiler water. After the boiler is cooled, open manholes and handholes, and rinse the inside of the drum with clean water until there is no oil stain in the drum.

 

The above are the common methods for boiling the gas-fired boiler, welcome to get more details on the gas-fired boilers from ZOZEN.

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