Anti-coking structure of double furnace heat transfer oil boiler

Abstract

The invention discloses an anti-coking structure for a heat-conducting oil boiler with double furnaces, which comprises a furnace body, a flue and a heat-conducting oil pipe; the interior of the furnace body is divided into two furnaces by a partition wall, and the number of flues is two; There are combustion chambers, and pulverized coal burners are arranged on the side of each combustion chamber. U-shaped horizontal coil tubes are closely arranged on the inner wall of each combustion chamber, and rectangular tubes are closely arranged on the inner wall of the upper furnace cavity above the combustion chamber in the furnace. Horizontal coil tubes, U-shaped horizontal coil tubes and rectangular horizontal coil tubes are connected with heat-conducting oil pipes; a number of supporting beams are arranged at intervals along the height direction on the partition wall, at the same height between the combustion chamber and the upper furnace chamber on the two furnace side walls There is a U-shaped ventilation pipe, and the supporting beam at the same height as the U-shaped ventilation pipe on the partition wall is a hollow tubular structure, which is connected in series in the two U-shaped ventilation pipes and serves as a part of the two U-shaped ventilation pipes. Fins extending outward are provided, and the fins are embedded in the wall body of the partition wall, and air outlet pipes are provided on opposite sides of the supporting beam. Adopting it can effectively improve the heating efficiency, and can avoid coking at the upper edge of the combustion chamber.

Description

technical field [0001] The invention relates to an anti-coking structure of a heat-conducting oil boiler with double furnace chambers, belonging to the technical field of boiler structure design. Background technique [0002] The existing heat-conducting oil boiler is a forced circulation boiler. Its working principle is that the low-temperature heat-conducting oil enters the boiler and is heated to become a high-temperature heat-conducting oil, which takes out the heat generated by combustion in the furnace and transfers it to the heat-consuming equipment. Circulation pump circulation heating. The existing heat-conducting oil boiler has only one furnace, and some pipelines of the heat-conducting oil pipe are arranged in the furnace. The problems existing in the existing heat-conducting oil boiler are that the structure is not reasonable enough, the heating efficiency is low, and the problem of coking at the upper edge of the combustion chamber is relatively serious. Cont...

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Problems solved by technology

The problems existing in the existing heat-conducting oil boiler are that the structure is not reasonable enough, the heating efficiency is low, and the problem of coking at the upper edge of the combustion chamber is more serious

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