A coal-fired refrigerating boiler, comprising a boiler body; the boiler body is provided with a combustion chamber (17) therein; the combustion chamber (17) is provided with an evaporation chamber (18) thereon; the boiler body is connected to a coal feeder (1) on one side, and to a flue gas heat recovery device (13) on the other side; the flue gas heat recovery device (13) is connected to a desulfurization precipitator (14); the evaporation chamber (18) is connected to a refrigeration unit (12); the evaporation chamber (18) is provided with a flue pipe (7) therein; the flue pipe (7) is immersed in a lithium bromide aqueous solution (8); the flue pipe (7) communicates with a flue chamber (19); the flue chamber (19) communicates with a flue gas channel (20) disposed at the lower part of the evaporation chamber (18); the flue gas channel (20) is provided with a flue gas outlet (11) at the top; the flue gas outlet (11) is connected to the flue gas heat recovery device (13); a steel heat transfer pipe (6) is immersed in the lithium bromide aqueous solution (8) at one end, and exposed in the flue gas channel (20) at the other end; the evaporation chamber (18) is provided with a steam-liquid separation chamber (9) at the upper part; the steam-liquid separation chamber (9) is provided with a steam outlet (10) at the top; and the steam outlet (10) is connected to the refrigeration unit (12).
F23B 30/00 - Combustion apparatus with driven means for agitating the burning fuelCombustion apparatus with driven means for advancing the burning fuel through the combustion chamber
F25B 15/06 - Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
A novel energy-saving boiler, comprising a hearth (11); the hearth (11) is provided with a furnace tank (12) on the upper part; the furnace tank (12) is provided with a flue pipe (7) therein; the furnace tank (12) is filled with liquid and is provided with a hot water outlet (16) at the top; the hearth (11) is provided with a cold water tank (3) on one side, and an open truncated cone (6) therein; a closed water circulating system is formed in a chamber between an inner surface and an outer surface of the cone; the truncated cone (6) is provided with an evaporator (5) on one side; the upper bottom surface of the truncated cone (6) faces the evaporator (5), and the lower bottom surface faces a front arch (9); the furnace tank (12) is connected to a flue gas heat recovery device (14); and the flue gas heat recovery device (14) is connected to a three-tandem-tower desulphurization precipitator (15). The boiler effectively increases heat absorption area, and has the advantages of high combustion efficiency, fast temperature rise, low exhaust fume temperature, smooth flue gas flow, good comprehensive operation effect and easy maintenance.
F24H 1/38 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water contained in separate elements, e.g. radiator-type element
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
3.
ENERGY-SAVING COAL BURNING BOILER WITH MULTI-SECTION FURNACE ARCH
An energy-saving coal burning boiler with a multi-section furnace arch, comprising a hearth body; the hearth body is provided with a furnace tank (6) thereon and a cold water wall (2) on the inner wall thereof; the water inlet of the cold water wall (2) is connected to a water tank (7), and the other end of the cold water wall is connected to the furnace tank (6); the hearth body is provided with a front arch (1) and a back arch (3) therein; the back arch (3) is of a sectional type structure, and is provided with an ash removing hole (4) thereon; the hearth body is also provided with a manhole (5) thereon; the furnace tank (6)is connected to a heat recovery unit (9) via a pipeline; and the heat recovery unit (9) is connected to a three-Tandem-tower desulfurization precipitator (10). The coal burning boiler has the advantages of split high temperature flue gas flow, adjustable hearth temperature, equalized combustion point temperature, increased effective furnace arc length, full combustion of highly volatile coal, improved adaptability of coal types, and simple ash removal and maintenance.
F23M 5/06 - Crowns or roofs for combustion chambers
F23B 30/00 - Combustion apparatus with driven means for agitating the burning fuelCombustion apparatus with driven means for advancing the burning fuel through the combustion chamber
B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
4.
NOVEL EFFICIENT ENERGY-SAVING BOILER WITH COLD WATER WALL
An energy-saving boiler with a cold water wall, comprising a hearth body; the hearth body is provided with a furnace tank (7) thereon, and a front hearth arch (1), a back hearth arch (4) and a cold water wall (3) therein; the front hearth arch (1) is provided with a first cold water pipe (2) therein; the back hearth arch (4) is provided with a second cold water pipe (5) therein; the cold water wall (3) is provided with a cold water pipe set (6) between the upper and the lower walls thereof; the hearth body is connected to a cold water tank (8); the cold water tank (8) is connected to the cold water wall (3); the furnace tank (7)is connected to a heat recovery unit (10) via a pipeline; and the heat recovery unit (10) is connected to a three-tandem-tower desulfurization precipitator (11). The boiler increases heat radiation area, effectively controls the temperature in the hearth, reduces coking, enhances furnace arch durability, and increases service life.
F24H 1/44 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with combinations of two or more of the types covered by groups
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL Details
A coal-fired boiler provided with a fire-ejecting plate, comprising a hearth body (1); the hearth body (1) is provided with a furnace tank (9) on the upper part thereof, a chain grate (2) on the lower part thereof, and a front arch (3) and a back arch (5) therein; a fire-ejecting plate (7) is disposed between the back arch (5) and the furnace tank (9); the fire-ejecting plate (7) is provided with a fire-through hole (8) therein; a cold water pipe (6) is disposed at the back section of the back arch (5) and in the fire-ejecting plate (7); the furnace tank (9) is connected to a heat recovery device (11) via a pipeline; and the heat recovery device (11) is connected to a three-part tower desulfurization precipitator (12). The coal-fired boiler extends coal application scope, increases combustion efficiency, reduces the discharge of coal slag and noxious substances, and effectively reduces and avoids the coking problem of the fire-ejecting plate (7).
B01D 53/00 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
An oxygen supply device for a coal-fired exchanger, comprising a fire grate (6) disposed in a hearth (10); the fire grate (6) is provided with air bellows (9) on the two sides; the air bellows (9) are connected to a blower (4) disposed on the fire grate (6); an air chamber (2) is formed between the air bellows channels of the air bellows (9); the air chamber (2) is provided with a plurality of air funnels (7) therein; the air funnels (7) communicate with each other via air pipes (8); the air bellows (9) is connected to the blower (4) at one end, and connected to the air pipes (8) disposed in the middle of the fire grate (6) at the other end; the number of the air funnels (7) is two or more; the bottom surfaces of the air funnels (7) form an enclosed space all around, with an upper opening facing toward the fire grate (6); a lateral opening of the air funnel (7) communicates with the air pipes (8); the blower (4) is disposed at the front or back end of the fire grate (6); the hearth (10) is provided with an air suction mechanism therein; and the air pipes (8) are provided with regulating valves (5) thereon. The oxygen supply device for the coal combustor can effectively balance the oxygen supply in the hearth, thus achieving full combustion of the coal.
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