Efficient low-discharging heat accumulating gas boiler
A gas-fired boiler and low-emission technology, applied to steam boilers, combustion chambers, combustion methods, etc., can solve the problems of large footprint, high cost, and high energy consumption for starting, and achieve high thermal efficiency, low cost, and low energy consumption Effect
Inactive Publication Date: 2007-08-22
梁兆志
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Problems solved by technology
[0003] 1. Slow start, high energy consumption and long time consumption
[0004] 2. There are many pipes in the convection section, the evaporator must be large and thick, the consumption of steel is large, the cost is high, the equipment is huge, and the floor area is large
[0005] 3. When the burner is a little faulty, the incompletely burned black ash will adhere to the inner wall of the cooler convection tube, causing the thermal resistance of the dirt to increase rapidly, and the thermal efficiency of the boiler is much lower than the design value
[0006] 4. There is no soot blowing function, and it is necessary to stop the furnace and manually vent the ash
[0007] 5. After black smoke is deposited in the convection section, the thermal efficiency of the boiler is greatly reduced, and the output of the boiler cannot meet the needs of the user. At this time, the user often forcibly increases the power of the burner, and the temperature of the furnace increases, generating a large amount of NOx and carcinogenic Multi-ring organic matter, black smoke from the chimney, black ash will adhere to the inner wall of the cooler convection tube, deteriorating the heat transfer condition
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[0022] Referring to Fig. 1 and Fig. 2, the high-efficiency and low-emission regenerative gas boiler provided by the present invention consists of a burner [1], a combustion chamber [11], a gas inlet pipe [14], an air inlet pipe [4], a gas nozzle [12] and other components, the combustion chamber [11] is U-shaped, double-layer jacketed structure, the outer layer is an evaporator [10], and the burner [1] is filled with a heat storage layer, which alternately burns and stores heat. The burner [1] has two, is installed in combustion chamber [11] two ends respectively. The heat storage layer includes a honeycomb ceramic layer [13] and a stainless steel porous plate layer [2], wherein the honeycomb ceramic layer [13] is filled in the lower part of the burner [1], and the stainless steel porous plate layer [2] is composed of several The blocks are arranged in parallel at certain intervals and filled in the upper part of the burner [1].
[0023] One end of the air inlet pipe [4] is co...
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The present invention relates to a high-efficiency low-discharge heat storage type gas boiler. It is composed of combustor, combustion chamber, gas inlet pipe, air inlet pipe and gas nozzle. The described combustion chamber is U-type double-layer cover-mounted structure, its external layer is evaporator, the interior of the described combustor is filled up with heat storage layer. Said invention has two combustors capable of alternatively making combustion and heat storage, said two combustors are respectively mounted at two ends of said combustion chamber. The described heat storage layer includes honeycomb ceramic layer and stainless steel perforated plate layer, the honeycomb ceramic layer is filled in the lower of combustor, and the stainless steel perforated plate layer is filled in the upper portion of combustor.
Description
technical field [0001] The invention relates to a boiler, in particular to a high-efficiency and low-emission heat-storage gas-fired boiler, which can use heat-storage materials to store waste heat from tail gas for preheating the air used for next combustion. Background technique [0002] The gas (oil) boilers currently in use are all non-regenerative, and their structures are all equipped with a combustion chamber as the radiation section, and then turn back from the tube box behind the two tubes as the convection section, and then the flue gas flows through the smokestack. row away. These boilers generally have the following problems: [0003] 1. Slow start, high energy consumption and long time consumption. [0004] 2. There are many pipes in the convection section, the evaporator must be large and thick, the consumption of steel is large, the cost is high, the equipment is huge, and the floor area is large. [0005] 3. When the burner has some problems, the incomplet...
Claims
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IPC IPC(8): F22B31/04F23C6/00F23C7/00
Inventor 梁兆志
Owner 梁兆志