JPS58193085A - Cooling device for powdered and granular body at high temperature - Google Patents

Abstract

PURPOSE:To prevent the channel of cooling air, and to cool the powdered and granular bodies at a high temperature uniformly by properly inclining an axis of a packed bed type cooler proper to a vertical line and rotatably mounting the cooler proper centering around said axis. CONSTITUTION:When an inner diameter of the main body 9 of a packed bed type cooler (a) shall be D and one point on the most left side of the inner surface of the side wall of said main body 9 is watched, the one point is brought to the most right section when said main body 9 is turned at 180 deg. at a central angle on viewing from the axis (b), but the main body seems to be upward moved only by Dsintheta in the most right section because the axis (b) inclines only by an angle theta to the vertical line (c). When the main body is rotated at 360 deg. from said 180 deg., it returns to the original most left section, but it seems to be downward moved only by Dsintheta. Since the operation is repeated at every one revolution, clinker changed to the upper section of said main body 9 is also dispersed onto an approximately plane under the state in which there is hardly segregation by the relationship of said revolution and an angle of rest, there is no channel of cooling air, and the powdered and granular bodies are cooled uniformly.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a photonic layer type cooling device for cooling high-temperature granular materials such as cement barrels.

As a cooling device for high-temperature powder and granular materials, the optical layer type cooler has been known since X' for its excellent heat regeneration rate. It is difficult to phase-separate particles uniformly, causing uneven flow of cooling air,
I wonder if it's cooling or not. In order to prevent this, measures have been taken to, for example, increase the length of the cooler body in the vertical direction, but increasing the length of the cooler body is not a good method.

The present invention has been made in order to take advantage of the advantages of conventional filled stratified coolers and eliminate their disadvantages. Namely, it does not require increasing the length of the cooler body, and it prevents the cooling air from drifting, thereby reducing the amount of high-temperature powder particles. The object of the present invention is to provide a packed layer type cooling device that can uniformly cool a body.

For this reason, the configuration of the present invention is such that the axis of the filling type cooler body is tilted by 1 °C and 2 degrees with respect to the lead A ridge, and the cooler body is rotatable about the narrow center. The fact that it is provided is a percentage mark.

υ Below, one embodiment of the present invention will be described with reference to the drawings.

In the figure, 1 is the mouth for cement firing - tari kiln, 2
4 is a kiln burner, a kiln foot installed on the cement clinker outlet side of the kiln 1, and 4 is a fluidized bed type partially used as a cooler for rapidly cooling the cement clinker, which is a pot-heated powder granule from the kiln 1. The cooler 4 is provided with a crusher 5, an upper cooling air blowing vibro, a lower cooling air blowing pigua, etc. Reference numeral 8 denotes an air extraction duct provided in a part of the kiln foot 3, which is used to supply cooler exhaust air, which will be described later, as combustion air for a calciner (not shown).

In the figure, a is a single-layer cooler with a filling layer A as a secondary cooler, and the filling layer cooler main body 9, which is the main body of the cooler a, is located below the air bleed tact 8, and the cooler Is the axis of main body 9 vertical? #, is inclined by an angle θ (20 to 30 degrees) with respect to C, and moreover, the arrow d
As shown in , it is provided rotatably around the IIIL-b. That is, on the outer periphery of the Mit-marked roller body 9, there is a rotary drive binocular plate (not shown).
A ring-shaped tire 11 is fixed to the lower blade of the link kino 10 that meshes with the link kino 10 and the kia 10 of the link kino 10 . 12 is a lower support roller that receives the downward load of the cooler main body 9; 13;
are side support rollers that receive the load in the lateral direction of the cooler main body 9, and these rollers 12 and 13 are in contact with the tire 11, and although not shown, are attached to respective bearings fixed to a frame or the like. rotatably supported. Reference numeral 14 denotes a central cooling air introduction pipe, which is connected to a stationary side air pipe 17 via a rotary cup link 15 and a flexible pipe 16. Reference numeral 18 denotes cooling air blowing pipes, which are open at the bottom and arranged in large numbers radially with respect to the shaft -6b.
A portion of each L is connected to the cooling air pipe 14, respectively. Reference numeral 19 denotes a number of nut pipes provided below from the bottom of the main body 9 mentioned above.
The lower end opening of 9 is assembled on an annular table 20 (in this example, there are two low membranes, an inner table 2o and a removable table 20), and the cold-welled powder and granule cage is , it is designed to be scraped out with a scraper 21. Additionally, 22 is a puff conveyor.

In the structure shown in the figure, the temperature and humidity are transferred to the upper layer of cold confinement, and the cement clinker, which is a high-temperature granular material, from the rotary kiln 1 is transferred to the fluidized bed cooler 4, which is a hot and cold granule. It is rapidly cooled, a large chunk of which is crushed in the t* cooler 4, and the rest is cooled again in the packed stratified cooler a, which is a secondary cooler.

In other words, the fluidized bed cooler 4Ii, the overflow set 1 at the top, and the packed layer at the bottom swell, and the glaucoma layer is pulled out at a rising wind speed that is high enough to pull out the large lumps sinking to the bottom of the fluidized bed. Klatsung with. By doing so, it is possible to rapidly cool the tarinka and to supply the tarin power without large lumps to the subsequent photonic layered cooler main body 9. In addition, in the lower filling layer, a small amount of tarinka (for example, 0.1 to 9) is cooled with the majority of the kiln air, so
Negative effects such as drifting are also quite strong...-nl.

At the end, Koten Kanameshiki Tala a is po, and its headquarters 9 is arrow d.
As shown in , it rotates around the Nl core which is inclined at an angle θ about the vertical line c, and the tarinka placed in the main body 9 cools uniformly while forming a packed layer. [Leave]
It is taken out by passing through a multi-V, no-shoot height 19 attached to the bottom plate of the main body 9 to a table 20, and scraping it out with a scraper 21. That is,
The inner diameter of the main body 9 is D, and -1 0III of the main body 9
If you pay attention to the leftmost point on the inner surface of the wall, you can see that the main body 9 is 180i at the center corner and corner when viewed from the center. Since the tombstone is tilted by an angle θ, it appears that the tombstone has moved upward by Dsinθ, and furthermore, from that 180 degrees, it is tilted by an angle θ.
When rotated 0 degrees, it returns to the original leftmost position, but during this time,
It appears to have moved downward by Dsinθ, and this is repeated every rotation, so that the tarinka placed at the top of the main body 9 is also mostly segregated on the plane due to the relationship between the rotation and the angle of repose. Without dispersion tL, the cooling air 'IJM v
There is no need to worry about cooling. In addition, even for one discharge point, the stagnation area becomes smaller due to the action of rotation, and even one discharge point becomes possible.

In the above-mentioned method, the present invention introduces powder and granular material from above, cools the packed layer without warping, and discharges the cooled granular material from the bottom. In a built-in cooler, the axial center of the main body of which the optical fiber layer is formed is evenly inclined with respect to the vertical line, and the axial center of the main body with the ``n:'' mark is centered on the axial center 17 (, L, Because it is rotatably installed, the relationship between the inclined rotation action and the angle of repose of the powder and granules creates a uniformly distributed packed layer, which prevents the flow of cooling air and ensures uniform cooling. Therefore, there is no need to increase the length of the cooler body.

[Brief explanation of the drawing]

The figure is an elevational view of a portion of the present invention, partially shown in cross section. a... - filled with waste - b... shame on the cooler body,
My heart... lead! , LW, d...Arrow indicating the direction of rotational force, θ...Inclination angle, 4...Bind movement angle,
9...Butten stratified cooler, 10.@Ring gear, 11@e.Tire, 12.13-.Support roller,
14...Central cooling air introduction pipe, 15...Rotary cup link, 16...Flexible pipe, 17
... Fixed side air pipe, 18 ... Cooling air blowing pipe, 19 --- Chute pipe, 20 ... Working table

Claims (1)

[Claims] ② Heat the powder and granules from the top and bottom and cool them while forming a phosphorescent layer. 1. 1. In addition, in a light-bulb type cooler for discharging powder and granules, if the axis of the light-bulb cooler main body is tilted to the vertical line, the cooler body A cylindrical convergence granular cooling device characterized in that the cooling device is provided in a rotary position with the center as the center.