Method for recycling waste heat of boiler
A boiler waste heat and boiler technology, applied in heat recovery systems, combustion methods, heat exchangers, etc., can solve the problems of polluting the environment, inability to realize energy utilization, and inability to fully utilize energy, and achieve the effect of full utilization
Active Publication Date: 2019-01-11
高密利朗明德环保科技有限公司
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Problems solved by technology
[0003] In the process of boiler combustion, the exhaust gas generated inside the boiler contains a lot of heat, and people often directly discharge the exhaust gas containing heat into the air, which not only pollutes the environment, but also cannot realize the full utilization of energy
[0004] There are also some exhaust gas utilization equipment in the existing equipment, but the heat utilization rate of these equipment is not high, and the maximum energy utilization cannot be realized
Method used
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[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0027] Such as figure 1 , image 3 and Figure 4 As shown, a method for recovering and reusing boiler waste heat according to the present invention comprises the following steps:
[0028] S1, the boiler tail gas is passed into the desulfurization dust collector, and the hot water is used in the desulfurization dust collector to absorb the sulfide gas in the tail gas;
[0029] S2, the tail gas discharged from S1 is passed into the water heater, and the tail gas is added to the water in the water heater. Part of the hot water in the water heater is used for domestic water, and the other part is used to pass into the desulfurization dust collector for desulfurization;
[0030] S3, exhausting the tail gas discharged in S2 into the atmosphere;
[0...
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The invention relates to the field of waste heat utilization, in particular to a method for recycling waste heat of a boiler. The method comprises the following steps: S1, introducing boiler tail gasinto a desulfurization dust remover, and adopting hot water in the desulfurization dust remover to absorb sulfide gas in the tail gas; S2, introducing the tail gas discharged from the step S1 into a water heater and heating water in the water heater through the tail gas, wherein some hot water in the water heater is used as domestic water, and the rest of hot water is used for desulfurization after being introduced into the desulfurization dust remover; and S3, discharging the tail gas discharged from the step S2 into the atmosphere. According to the method, the tail gas is subject to desulfurizing and dedusting treatment first and is then introduced into the water heater to heat the water, so that corrosion of equipment is avoided, the heat utilization rate is improved, and a good use effect is achieved.
Description
technical field [0001] The invention relates to the field of waste heat utilization, in particular to a method for recovering and reusing boiler waste heat. Background technique [0002] The boiler is a kind of energy conversion equipment. The energy input to the boiler includes chemical energy and electric energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of heat energy. The original meaning of the pot refers to the water container heated on the fire, and the furnace refers to the place where fuel is burned. The boiler includes two parts: the pot and the furnace. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, and can also be converted into mechanical energy through a steam power device, or converted into electrical energy through a generator. [0003] During the combustion process of the boiler, the exhaust gas gene...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F23J15/02F28D21/00
CPCF23J15/02F23J2215/20F28D21/0003Y02B30/56
Inventor 蔡素真
Owner 高密利朗明德环保科技有限公司