5 results about "Boiler furnace" patented technology

The invention discloses a soot-blowing control device for a boiler furnace based on heat flow online measurement, which comprises a heat flow sensor, a multiplexer, a data collector and an industrial personal computer, wherein the heat flow sensor is arranged on a film-type water wall fin at the periphery of the boiler furnace and connected to the input end of the multiplexer and used for transmitting collected heat flow to the multiplexer; the multiplexer is sequentially connected with the data collector and the industrial personal computer and used for multi-channel switching, signal amplifying and filtering; the data collector is used for converting a heat flow analog signal to a digital signal; and the industrial personal computer is used for analyzing the digital signal transmitted from the multiplexer and sending a soot-blowing signal. The invention can be used for various coal-fired power plants; and according to fouling conditions of heating surfaces in each region of the boiler furnace, realizes the sweeping in a demand quantity for the required region, improves the accuracy and the real time of fouling diagnosis for the heating surfaces of the boiler furnace, reduces the boiler failure, prolongs the lifetime of a soot-blower, saves the maintenance workload of the soot-blower, and the like.

The invention discloses an incrustation cleaning system for a boiler. The incrustation cleaning system for the boiler comprises a boiler body. The incrustation cleaning system for the boiler is characterized in that a water tank is arranged in the boiler body, and a control device is arranged on the outer surface of the boiler body; a water inflow pipe is arranged on the upper portion of one side of the water tank, and a water outflow pipe is arranged on the lower portion of the other side of the water tank; a temperature sensor is arranged in the water tank; a telescopic type stirring device is arranged on the top face in the water tank; and the control device is connected with the temperature sensor and the telescopic type stirring device. The incrustation cleaning system for the boiler has the advantages that the temperature and the temperature rising speed of the water tank are monitored, cleanliness of the water tank is adjusted, incrustation in the water tank is cleaned in time, the inner corrosion of the water tank is prevented, and the service life of the boiler is prolonged.

The invention discloses a novel million-tower boiler top sealing structure and a mounting method thereof. A mechanical sealing device is adopted for the top of a traditional tower type boiler, a membrane type wall pipe is adopted for welding sealing, the design and manufacturing cost of the boiler is increased, and since the phenomena of smoke leakage and ash leakage of the top of the boiler are caused by the difference of the field actual welding quality and the welding quality problem, the overall safety of a unit is affected. The novel million-tower boiler top sealing structure comprises asealing steel plate (1), the periphery of the sealing steel plate is connected with a boiler front wall (2), a boiler right wall (3), a boiler rear wall (4) and a boiler left wall (5) in a welded mode, and the boiler front wall, the boiler right wall, the boiler rear wall and the boiler left wall are each composed of a medium-free water cooling wall pipe (6). The medium-free water cooling wall pipes are connected through fins (8), and a set of medium-free hanging pipes (7) are evenly arranged on the sealing steel plate in a welded mode. The novel million-tower boiler top sealing structure is used for novel million-tower boiler top sealing.