Oil shale and organic solid waste poly-generation utilization system and process thereof
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A technology for organic solids and wastes, which is applied in the petroleum industry, the preparation of liquid hydrocarbon mixtures, special forms of dry distillation, etc., to achieve the effects of wide adaptability, reduction of chemical pollution and thermal pollution, and increase of additional benefits
Inactive Publication Date: 2016-02-03
SHANGHAI JIAO TONG UNIV
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[0005] In order to increase the output of combustible gas in the oil shale carbonization process and solve the material transfer problem of solid heat carrier, the purpose of this invention is to provide a polygeneration utilization system and its technology
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[0041] The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.
[0042] Such as figure 1As shown, the dried and crushed oil shale is mixed with organic solid waste in a certain proportion and then sent to silo 1, then descends into carbonization furnace 2, and low-temperature carbonization produces combustible gas, oil vapor and solid waste semi-coke. Combustible gas and oil vapor leave from the top of the carbonization furnace 2, and are separated into combustible gas and oil by the oil-gas separation device 3. The combustible gas is purified by the gas purification device 6 and stored in the gas storage tank 7, and the oil is stored in the oil tank 4; The feeder 15 enters the circulating fluidized bed boiler 14 for combustion; the gas storage tank 7 divides the combustible gas into three parts...
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Abstract
The present invention discloses an oil shale and organic solid waste poly-generation utilization system, which comprises a material bin, a dry distillation furnace, an oil tank, an oil-gas separation device, a gas purification device, a high-temperature gas heating furnace, a gas storage tank, a gas burner, a low-temperature gas heating furnace, a gas turbine, a heat exchanger, a fuel cylinder, a steam turbine, a circulating fluidized bed boiler and a material feeder, wherein an oil shale and organic solid waste mixture is used to be subjected to dry distillation. The present invention further discloses a process, wherein combustible gas is divided into three parts through the gas storage tank, the first part is adopted as the gas heat carrier, the second part is adopted as the fuel so as to be burned in the gas burner and the generated high-temperature flue gas is used for heating the gas heat carrier in the high-temperature gas heating furnace, and the third part is conveyed into the gas turbine so as to be burned and the generated high-temperature flue gas enters the low-temperature gas heating furnace after the work so as to heat the gas heat carrier. According to the present invention, the oil shale and the organic solid waste are subjected to mixed dry distillation, such that the yield of the combustible gas is improved, and the purposes of heat supply, mass transfer and the heat carrying of the combustible gas burning are achieved.
Description
technical field [0001] The invention belongs to the technical field of oil shale resource utilization, and in particular relates to a polygeneration utilization system of oil shale accompanied by organic solid waste and a process thereof. Background technique [0002] Oil shale is an important unconventional oil and gas resource with huge reserves. After pyrolysis in a retort device at 400-600 °C, shale oil with properties similar to natural oil can be obtained. In the era of tight crude oil supply in the world, it has been As a very important petroleum supplementary energy. At present, the world's proven shale oil reserves are more than 400 billion tons (calculated based on in-situ reserves of oil shale), far higher than the world's proven recoverable reserves of crude oil. my country is a country with large reserves of oil shale resources. The proven reserves of oil shale resources are 719.937 billion tons, and the reserves converted into shale oil are 47.644 billion tons...
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