4results about "Coke ovens heating" patented technology

To provide a control apparatus and method using a pyrolysis raw material and product image information.SOLUTION: A pyrolysis reaction method comprises: a raw material input step of acquiring first data while inputting a raw material; a pyrolysis reaction step of moving the raw material while pyrolyzing the same; a reaction product discharge step of acquiring second data while discharging a pyrolysis reaction product; an image sample collection step of additionally securing the number of image samples of the first data and the second data; a DB storage step of normalizing the secured image samples into time-series data and storing RGB code values in a DB; a labeling step of assigning labels to the first data and the second data based on the stored DB values; a data processing step of generating third data as estimated moisture content and fourth data as estimated calorific value by utilizing the first data and the second data; and a control value derivation step of deriving control values for pyrolysis temperature and pyrolysis time required to ensure a calorific value-based quality of the pyrolyzed reaction product based on the third data and the fourth data.SELECTED DRAWING: Figure 1

The application discloses a biomass pyrolysis method and device driven by solar heat and photovoltaic green electricity, which comprises a solar light condensing unit, a spectrum separation unit is arranged on an exit path of the solar light condensing unit, and the spectrum separation unit separates light energy into a first wave band and a second wave band; a photoelectric conversion unit and a photo-thermal conversion unit are arranged on an output path of the spectrum separation unit; the photoelectric conversion unit converts the first wave band into electric energy output; the photo-thermal conversion unit converts the second wave band into thermal energy output; wherein the photo-thermal conversion unit and the photoelectric conversion unit cooperate to pyrolyze biomass materials; by separating solar radiation into short-wave light and long-wave light and guiding the short-wave light and the long-wave light to photovoltaic power generation and photo-thermal heating paths respectively, step-by-step efficient utilization of full spectrum of solar energy is realized, and the energy conversion efficiency of a unit area is greatly improved.

The application discloses a low-temperature plasma reinforced coal fluidized bed hydrogenation pyrolysis device and method, and belongs to the field of coal pyrolysis technology. The low-temperature plasma reinforced coal fluidized bed hydrogenation pyrolysis device comprises a reaction tube body, a heating furnace, a product collecting device and a low-temperature plasma generator. The lower end of the reaction tube body is provided with a feeding port for hydrogen-rich gas carrying coal powder to enter. The lower end of the product collecting device is connected with the upper end of the reaction tube body in a butt joint mode, and the upper end of the product collecting device is provided with a discharging pipe. The low-temperature plasma generator can form a discharge area in the reaction tube body, and can activate part of the hydrogen-rich gas in the discharge area to generate low-temperature plasma. Free radicals in the low-temperature plasma can stabilize free radicals generated in the coal pyrolysis process. The application can effectively solve the problems of harsh activation conditions and high energy consumption of hydrogen-rich gas in the traditional hydrogenation pyrolysis, effectively reduce the generation of semi-coke, and improve the tar yield.

The application discloses a production process of high-combustion-efficiency coke and belongs to the technical field of coking. The process comprises the following steps: S1, controlling the granularity and moisture of coal; S2, spraying preparation A containing an iron source, a calcium source and citric acid, and realizing anchoring of active components through low-temperature solidification; S3, coating preparation B containing micro SiO2 and a pore-forming agent, and constructing connected channels; S4, controlling the charging density; S5, adopting three-stage temperature rising coking of 350-450 DEG C, 450-600 DEG C and 950-1100 DEG C; and S6, immersing in slurry containing calcium carbonate and kaolin, and performing surface layer treatment. Through the anchoring catalysis of preparation A, the channel construction and skeleton maintenance of preparation B and the ash film inhibition of the surface layer slurry, and the coupling of the three-stage thermal system, the coke can keep low diffusion resistance and high reaction interface utilization rate in the whole combustion cycle, and high-combustion-efficiency is realized, that is, fast ignition, stable combustion and full burnout.