TH6617A - Heat exchanger - Google Patents

Abstract

A heat exchanger in a manner that is a container for exchange. Solid particle heat with gas For example For heating raw materials It was initially combustion by using hot gas to feed the container. Which consists of A hollow cylindrical center (1) with a contact gas inlet (3), a conical base (2) with a solid outlet (5), and a downward gas outlet (4), section. Concave top (7, 7 ') facing the center And with at least one entrance of solid substance (8) The downward gas exit (4) was formed axially. At the beginning it was the center tube in the side of the container. And shall have male tabs (6) with the height of the upper part, the distance of the solid inlet from the vertical axis of the exchanger. Change in heat And the angle at the entrance of the solids to the level, height of the inlet The center gas inlet (4) above the lower end of the center (1) of the container and the angle that the male bar (6) makes to the line is all determined In order to provide optimum conditions, partly for the counter radial heat exchange between the solid substance and the gas, and part for the separation of the solid substance from the gas stream inside the container due to Axial downward velocity of gas With in the contact line

Claims (1)

1. Heat exchanger in a containerized manner. Which has a cylindrical center (1) a slanted conical base (2) an upside-down top portion (7) facing the center and forms the upper zone of the contact gas inlet heat exchanger. (3) at the wall of the cylindrical center part And gas outlet Is in the axial direction when initially facing down at the least (4), which contributes to Eddy gas inside the container Heat resistance edge (6) installed at the upper end of the gas outlet (4) and at an angle between 40 ํ and 70 ํ with the horizontal plane. At least one solid substance inlet (8) was formed at the top of the container and the solid substance outlet (5) was at the bottom of the container. Fed solids In the heat exchanger there is centrifugal momentum in the transport of the solid substance. While there is heat exchange with gas via a countercurrent heat exchanger with gas moving centrally from the gas inlet (3) to the gas outlet pipe (4), it is characterized that the opening of the pipe Inlet of substance (8) the topmost part (7) is connected to the wall of this section. The inlet pipe is tilted in the same direction as the The movement of gas streams gardening inside the container. And looks like the beta angle made to the plane The level is less than 90 ํ and the optimum solid inlet position in the level plane is at a distance g with a range of 0 < g < 1.5d from the vertical axis of the heat exchanger, where the chemical formula is the diameter of the outlet pipe. The chamber conical base gas (2) is shortened. Such a shortened conical base with the underside of the heat resistance male band (6) forms an annular cavity (9) with the pipe (4) constituting the lower portion of the container and radius b of the concentricity. (1) A range from 1.5 d is less than or equal to b, less than or equal to 3.0 d, distance a from the upper end of the gas outlet pipe (4) to the top of the upper part (7) of the heat exchanger. Range from 2 d is less than or equal to a is less than or equal to 5d the gas outlet In the axial direction is a descending pipe (4) that follows from the initial axial center position at least its inside the container and passes through the conical base (2) of the heat exchanger at distance f. Within the range 0 is less than or equal to f is less than or equal to 2.0d inside the container. In the center of the cylinder (1) from the lower edge of the section.