Gas turbine engine electricity generation method and system using electric furnace phosphor preparation tail gas
A gas turbine and tail gas compressor technology, which is applied in the direction of gas turbine devices, machines/engines, mechanical equipment, etc., can solve the problem of low conversion efficiency and achieve the effects of avoiding a lot of waste, high cycle thermal efficiency, and low energy consumption
Inactive Publication Date: 2010-10-27
TSINGHUA UNIV
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The above two utilization methods use the exhaust gas from phosphorus production to generate steam, and use steam turbines to generate electricity. Since the parameters of the generated steam are not high, the conversion efficiency of chemical energy into electrical energy in phosphorus production tail gas is not very high.
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[0020] The principle, structure and specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as figure 1 As shown, a gas turbine power generation system that utilizes an electric furnace to produce phosphorus tail gas proposed by the present invention includes a phosphorus melting electric furnace 1, a purification absorption tower 2, a phosphorus production tail gas compressor 3, a gas regulator 4, a combustion chamber 5, a gas turbine 6, Air compressor 7, heat exchanger 8 and generator 9, described melting phosphorus electric furnace is successively connected with described purification absorption tower, phosphorus making tail gas compressor, gas pressure stabilizer, combustor, gas turbine and alternator through gas pipeline Heater is connected, and air compressor 7, generator 9 and gas turbine 6 are installed on the same rotating shaft. The CO-rich tail gas from the phosphorus melting elec...
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The invention relates to a gas turbine engine electricity generation method and a system using electric furnace phosphor preparation tail gas. The electricity generation system sequentially comprises a phosphor melting electric furnace, a purification absorption tower, a phosphor preparation tail gas compressor, a gas pressure stabilizer, a combustion chamber, a gas turbine engine, an air compressor, a heat exchanger and an electricity generator, wherein the combustion chamber adopts a double-layer sleeve tube type structure, and a high-temperature-resistance and corrosion-resistance ceramic coating layer is respectively sprayed and coated on the inner wall of an inner sleeve tube and blades of the gas turbine engine. The purified electric furnace phosphor preparation tail gas with rich CO is mixed with the compressed air in the combustion chamber, and then is combusted for forming high-temperature and high-pressure fuel gas to push the gas turbine engine for applying work and driving the electricity generator to generate electricity, and the high-temperature smoke gas is exhausted after preheating the air. The invention can realize the large-scale high-efficiency clean utilization of the phosphor preparation tail gas, changes the environment pollution of the direct gas combustion and exhaust in the prior art, has the characteristics of energy source saving, pollution exhaust reduction, obvious economic benefits and good social benefits, and has wide application prospects in the utilization of electric furnace phosphor preparation tail gas.
Description
technical field [0001] The invention belongs to the technical field of recovery and utilization of heat energy, and in particular relates to a gas turbine power generation technology utilizing the phosphorus production tail gas discharged from the phosphorus production process of an electric furnace method. Background technique [0002] Phosphorus and phosphoric acid are important basic chemical raw materials for the production of phosphides and phosphates. Phosphorus is extracted from ore by means of electric furnace method. Mix phosphate rock, silica, and coke according to a certain proportion. In the electric furnace, the phosphorus element in the phosphate rock is reduced to simple phosphorus, and the coke is oxidized to CO. After three-stage spray cooling, the gas phase Elemental phosphorus condenses into liquid phosphorus and enters the phosphorus recovery system with the spray water together with most of the dust. In addition to phosphorus products, there are also a...
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Login to View More IPC IPC(8): F02C3/20F01D15/10
Inventor 龚景松宋耀祖
Owner TSINGHUA UNIV