RU2013125244A

RU2013125244A - METHOD FOR THERMAL PROCESSING OF ORGAN-CONTAINING RAW MATERIALS WITH FUEL GASES AND DEVICE FOR ITS IMPLEMENTATION

Info

Publication number: RU2013125244A
Application number: RU2013125244/05A
Authority: RU
Inventors: Александр Викторович Голубкович; Сергей Анатольевич Павлов; Андрей Юрьевич Измайлов
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2014-12-20

Abstract

1. Способ термической переработки органосодержащего сырья топочными газами, заключающийся в том, что сырье загружают, горизонтально перемещают, сушат, пиролизируют топочными газами, газообразные продукты конденсируют, а твердую фракцию охлаждают и удаляют, отличающийся тем, что температура топочных газов должна быть, по крайней мере, не ниже T, которую определяют выражением:,где θ- начальная температура сырья, °C;ΔU - содержание термонеустойчивой части в растительном материале, кг/кг;K - коэффициент теплопередачи,f- геометрическая поверхность частиц растительного материала,;q - удельная теплота пиролиза,.2. Устройство для переработки органосодержащего сырья, содержащее трубу, источник теплоты, поршень, камеры сушки, пиролиза, охлаждения и разгрузки твердой фракции, кожух, отличающееся тем, что радиус трубы выполнен переменным и определен выражением:R=(1,5…3,0)·b,где b - ширина фронта пиролиза,, м;h - характерный размер (элементарный слой), м; h=2R (R - радиус частицы);Ф; Ф- сопротивление конвективному и кондуктивному переносу тепла и массы,1. The method of thermal processing of organo-containing raw materials by flue gases, which means that the raw materials are loaded, horizontally moved, dried, pyrolyzed by flue gases, gaseous products are condensed, and the solid fraction is cooled and removed, characterized in that the temperature of the flue gases must be at least a measure not lower than T, which is determined by the expression: where θ is the initial temperature of the raw material, ° C; ΔU is the content of the thermally unstable part in the plant material, kg / kg; K is the heat transfer coefficient, f is the geometric surface l particles of plant material,; q - specific heat of pyrolysis, .2. A device for processing organo-containing raw materials containing a pipe, a heat source, a piston, drying, pyrolysis, cooling and unloading chambers of a solid fraction, a casing, characterized in that the radius of the pipe is made variable and defined by the expression: R = (1.5 ... 3.0) · B, where b is the width of the pyrolysis front ,, m; h is the characteristic size (elementary layer), m; h = 2R (R is the particle radius); Ф; F - resistance to convective and conductive heat and mass transfer,

Claims

1. The method of thermal processing of organo-containing raw materials by flue gases, which means that the raw materials are loaded, horizontally moved, dried, pyrolyzed by flue gases, gaseous products are condensed, and the solid fraction is cooled and removed, characterized in that the temperature of the flue gases must be at least least, not lower than T ₁ , which is determined by the expression:

T_{one} \geq θ_{0} + \frac{2 Δ U \cdot q}{K \cdot f_{0}}

,

where θ ₀ is the initial temperature of the raw material, ° C;

ΔU is the content of the thermally unstable part in the plant material, kg / kg;

K is the heat transfer coefficient,

\frac{B t}{m^{2} \cdot ° C};

f ₀ - the geometric surface of the particles of plant material,

\frac{m^{2}}{to g}

;

q is the specific heat of pyrolysis,

\frac{to D well}{to g}

.

2. A device for processing organo-containing raw materials containing a pipe, a heat source, a piston, drying, pyrolysis, cooling and unloading chambers, a casing, characterized in that the radius of the pipe is made variable and defined by the expression:

R = (1.5 ... 3.0) · b,

where b is the width of the pyrolysis front,

b = \frac{h \cdot F_{one}}{F_{2}}

, m;

h is the characteristic size (elementary layer), m; h = 2R (R is the particle radius);

F ₁ ; F ₂ - resistance to convective and conductive heat and mass transfer,

\frac{° C}{B t} .