Frequency conversion and automatically controlled dual-purpose boiler with built-in precombustion chamber using coal water slurry or oil as fuel

A technology of burning water and pre-combustion chamber, which is applied in the direction of using a variety of fuel combustion, burners, and combustion methods, and can solve problems such as low control level, poor heat resistance, wear resistance and rigidity of the nozzle, and accidents in the heating system. Achieve the effect of complete configuration, strong integration and compact overall structure

CN1731014AActive Publication Date: 2006-02-08JIANGSU SHUANGLIANG BOILER +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2006-02-08

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Abstract

The automatically controlled frequency varying burning two-purpose coal water slurry and oil boiler with pre-combustor includes one boiler body and one combustor connected to the front end of the boiler body. In the front part inside the boiler body, there is one pre-combustor integrated with the boiler body. The combustor is automatic split two-purpose one capable of burning coal water slurry and oil, and includes casing, spray gun assembly, spray gun executing part, controlling valve assembly, air door mechanism, oil pump and oil pump motor. The present invention has fast ignition, stable combustion, automatic control and capability of burning both coal water slurry and oil.
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Description

Technical field:

[0001] The present invention relates to a fully automatic control boiler, in particular to a frequency conversion automatic control combustion coal water slurry and oil dual-purpose boiler with a built-in pre-combustion chamber, which mainly burns about 67% of coal powder, about 32% of water and 1% additive made of fluidized coal-based fuel - coal water slurry or oil. Background technique:

[0002] At present, the high price of oil in the international market has caused many enterprises and institutions to face the situation of doubled fuel prices and increased economic burdens. At the same time, in recent years, environmental issues have been related to the sustainable development of the economy. In order to reduce the pollution of industrial boilers to the atmosphere, the use of coal-fired boilers has been restricted, and the use of coal-fired boilers has been changed to fuel oil (gas). Changing from burning coal to fuel oil (gas) will undoubtedly reduce ...

Examples

Embodiment Construction

[0049] Such as Figure 1~2 , The invention is a dual-purpose boiler with a built-in pre-combustion chamber for automatic control of combustion of coal-water slurry and oil. It is mainly composed of a boiler body 40, a burner 37 and a pre-combustion chamber 39. The burner 37 is connected to the front wall 38 of the boiler body 40 .

[0050] The pre-combustion chamber 39 is designed integrally with the boiler body 40 , is built in the front portion of the boiler furnace, and is integrated with the front wall 38 of the boiler body 40 . The pins are reasonably arranged on the water-cooled wall, and the refractory material 43, which is resistant to high temperature and permeability, is integrally poured to prevent the coking and fusion of the stable combustion chamber and prolong the service life of the stable combustion section. Set a certain width and height on both sides of the pre-combustion chamber The fire-retaining wall 41 makes the pre-combustion chamber form a semi-open ...