RU2015121985A

RU2015121985A - AIR HEATER

Info

Publication number: RU2015121985A
Application number: RU2015121985A
Authority: RU
Inventors: Борис Алексеевич Анферов; Александр Романович Богомолов
Priority date: 2015-06-08
Filing date: 2015-06-08
Publication date: 2016-12-27
Also published as: RU2606291C2

Abstract

Воздухонагреватель, содержащий цилиндрический корпус и цилиндрическую камеру сгорания, установленные концентрично, конвективную поверхность нагрева, выполненную из труб, установленных равномерно вокруг камеры сгорания параллельно ее оси, спиральный канал в межтрубном пространстве конвективной поверхности нагрева, огибающий снаружи камеру сгорания от патрубка подвода воздуха до патрубка его отвода, горелочное устройство и патрубок отвода дымовых газов, отличающийся тем, что в качестве горелочного устройства установлена циклонная топка, камера сгорания преобразована в камеру догорания, между циклонной топкой и камерой догорания установлен соединительный газоход, ось цилиндрического корпуса ориентирована вертикально, между цилиндрическим корпусом и камерой догорания установлена аналогичным образом промежуточная труба, делящая конвективную поверхность нагрева на две - первую, расположенную между стенками промежуточной трубы и камеры догорания, и вторую, расположенную между стенками промежуточной трубы и цилиндрического корпуса, в верхней части промежуточной трубы между последними витками промежуточной трубной доски, образующей спиральный канал, выполнен проем, соединяющий воздушные пространства второй конвективной поверхности нагрева и первой, в нижней части промежуточной трубы выполнен проем, соединяющий в створе с выходным патрубком воздушное пространство первой конвективной поверхности нагрева с воздушным пространством второй, спиральный канал в межтрубном пространстве второй конвективной поверхности нагрева выполнен восходящим от входного патрубка до верхнего проема в промежуточнойAn air heater comprising a cylindrical body and a cylindrical combustion chamber, mounted concentrically, a convective heating surface made of pipes installed uniformly around the combustion chamber parallel to its axis, a spiral channel in the annular space of the convective heating surface, enveloping the combustion chamber from the outside from the air supply pipe to its pipe exhaust, burner device and flue gas outlet pipe, characterized in that a cyclone t is installed as a burner device flask, combustion chamber converted to a combustion chamber, a connecting gas duct is installed between the cyclone furnace and the combustion chamber, the axis of the cylindrical body is oriented vertically, an intermediate pipe is similarly installed between the cylindrical body and the combustion chamber, dividing the convective heating surface into two - the first, located between the walls of the intermediate pipes and combustion chambers, and the second, located between the walls of the intermediate pipe and the cylindrical body, in the upper part of the intermediate t between the last turns of the intermediate tube plate forming a spiral channel, an opening is made connecting the air spaces of the second convective heating surface and the first, an opening is made in the lower part of the intermediate pipe, connecting the air space of the first convective heating surface with the air space of the second in the alignment with the outlet pipe, the spiral channel in the annulus of the second convective heating surface is made ascending from the inlet to the upper opening in between Noah

Claims

An air heater comprising a cylindrical body and a cylindrical combustion chamber, mounted concentrically, a convective heating surface made of pipes installed uniformly around the combustion chamber parallel to its axis, a spiral channel in the annular space of the convective heating surface, enveloping the combustion chamber from the outside from the air supply pipe to its pipe exhaust, burner device and flue gas outlet pipe, characterized in that a cyclone t is installed as a burner device flask, combustion chamber converted to a combustion chamber, a connecting gas duct is installed between the cyclone furnace and the combustion chamber, the axis of the cylindrical body is oriented vertically, an intermediate pipe is similarly installed between the cylindrical body and the combustion chamber, dividing the convective heating surface into two - the first, located between the walls of the intermediate pipes and combustion chambers, and the second, located between the walls of the intermediate pipe and the cylindrical body, in the upper part of the intermediate t between the last turns of the intermediate tube plate forming a spiral channel, an opening is made connecting the air spaces of the second convective heating surface and the first, an opening is made in the lower part of the intermediate pipe, connecting the air space of the first convective heating surface with the air space of the second in the alignment with the outlet pipe, the spiral channel in the annulus of the second convective heating surface is made ascending from the inlet to the upper opening in between pipe, the spiral channel in the annulus of the first convective heating surface is made descending from the upper opening in the intermediate pipe to the lower one, and the connecting duct is equipped with two or more pipes with seats for mounting cyclone furnaces.