Fuel gas, fuel oil and fused salt integrated steam boiler
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A technology of steam boiler and molten salt, which is applied in the direction of steam superheating, steam generation, and burning fuel in a molten state, etc. It can solve the problems of waste of consumables, large heat loss of heat conduction medium, backward water supply mode, etc., and achieve the expansion of heat exchange area and increase The effect of service life and water saving
Inactive Publication Date: 2016-08-31
赖正平 +1
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[0006] The invention solves the problem of backward water supply mode and steam production mode of traditional boilers for hundreds of years, direct heating of heat transfer medium pipes by heat carrier furnaces, large heat loss of heat transfer medium, large amount of heat transfer medium, incomplete waste heat recovery, poor steam quality, and bulky boiler equipment , waste of consumables, etc.
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[0047] The present invention is a gas-fired, molten-salt integrated steam boiler using a brand-new structure. The main body is a molten-salt tank, and a steam coil is designed in the molten-salt tank. Molten salt is used as the convective internal circulation heat transfer medium to transmit heat energy and store energy at a constant temperature, and it can avoid excessive temperature difference between the inner and outer sides of the heating pipe, which greatly prolongs the service life of the equipment; the spray steam explosion and steam production mode is adopted to reduce the water pressure After atomization, it is sent to the high-temperature steam coil, which greatly increases the heat exchange area. The steam and mist explode and expand in the tube, generating a large amount of internal energy and generating steam at a very high speed; continuous water injection, the system is always in the state of heating a small amount of water, Avoid a lot of waste of heat energy, ...
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Abstract
The invention discloses a fuel gas, fuel oil and fused salt integrated steam boiler. The fuel gas, fuel oil and fused salt integrated steam boiler is mainly composed of a first fused salt groove, a second fused salt groove, an insulating layer, a combustion cavity, a combustor, an air preheating recoverer, a chimney, a waste heat recycling water tank, a high-pressure plunger pump, a steam pipe coil, a steam header, a steam generator body and a high-pressure spraying device. The fuel gas, fuel oil and fused salt integrated steam boiler has the advantages that firstly, steam mist jetting is adopted for water feed, the heat exchange area is increased, and the heat efficiency is improved; secondly, the temperature and the pressure of the steam can be adjusted, incrustation is avoided, the service life of the boiler is prolonged, boiler waste water is avoided, and a large number of water resources are saved; and thirdly, waste heat is recycled and utilized completely.
Description
technical field [0001] The invention belongs to a boiler and a steam generator. Specifically, it is a gas-fired, molten-salt integrated steam boiler. Background technique [0002] The whole world has been studying how to improve the thermal efficiency of the boiler body to save natural resources. Generally, it is the research on the manufacturing materials and the way of fuel entry, and then gradually produces subcritical, supercritical, and ultra-supercritical. Boiler, but it has not broken through the basic structure of the boiler and the way of steam water supply. At present, it still stays in the state of the traditional heating mode and the steam production mode of boiling bubbles. [0003] Traditional boilers are bulky and complex in structure, the steam water supply method is backward, the boiler startup and shutdown consumes a lot of energy, the operation is complicated and takes a long time, the selection and application of heat transfer medium is unreasonable, and...
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