JPS626025Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for distributing high-temperature solids into the cooling chamber of a counterflow vertical cooling system.

In order to improve the processing capacity of counterflow vertical cooling equipment, which recovers heat by bringing high-temperature solids and cooling gas into contact with each other in a cooling chamber through counterflow,
A choice must be made to either increase the number of cooling chambers or to leave the number unchanged and increase the volume, but the former is not a good idea from a cost standpoint, so research is progressing in the latter direction. There is.

However, in counter-flow vertical cooling equipment that handles high-temperature solids with various particle size distributions, increasing the internal diameter of the cooling chamber promotes particle size segregation of the high-temperature solids within the cooling chamber, and as a result, cooling of the high-temperature solids becomes difficult. Since the heat transfer is not carried out uniformly, there is a problem in that the heat transfer coefficient between the cooling gas and the high-temperature solid is extremely reduced.

The purpose of this invention is to solve the above-mentioned conventional problems. A cone is disposed between the drop port for high-temperature solids and the cooling chamber, and a plurality of collecting hoppers are disposed around the outer circumference of the cone. A charging hopper is arranged below the lower opening of each collecting hopper, a particle size segregation prevention fitting is arranged in each charging hopper so as to be located below each lower opening, and each A high-temperature solid, characterized in that the lower charging nozzles of the charging hopper are connected to the cooling chamber, and a rotating chute that rotates around the dropping port is provided between the dropping port and the cone. This is related to the distribution and charging device.

Embodiments of the present invention will be described below with reference to the drawings.

Figures 1 and 2 show the present invention, in which a distribution cone 2 is provided with its top located directly below the drop opening 1 for hot solids;
Four collecting hoppers 3 are arranged around the outer periphery of the distribution cone 2 so as to surround it from all sides. In addition, by rolling a plurality of rollers 4 supported on the lower surface on an annular rail 5, the rollers 4 can be rotated around the drop opening 1, that is, around the distribution cone 2. A large diameter gear 6 installed between
A swing chute 7 is provided at the center of the shaft, and a swing drive device 10 is connected via a bevel gear 9 to a small-diameter gear 8 that meshes with the gear 6, and the drive device 10 rotates the large-diameter gear 6 to open the drop opening. The chute 7 can be rotated continuously on the distribution cone 2 at a constant rotation speed, or can be rotated intermittently by stopping at each position of the collecting hopper 3 for an arbitrary fixed period of time. , four pipes each having a charging hopper 13 at the top for receiving the high-temperature solids 12 that have fallen from the lower opening (charging port) 11 of the collecting hopper 3 via the drop port 1, the rotating chute 7, the distribution cone 2, and the collecting hopper 3. A charging nozzle 14 is inserted into the top of the cooling chamber 15. Reference numeral 16 indicates a metal fitting for preventing grain size segregation provided in the charging hopper 13, and reference numeral 17 indicates a cooling gas outlet provided in the cooling chamber 15.

In the above embodiment, the high temperature solid 12 is placed in the cooling chamber 15.
When charging, the high-temperature solids 12 are dropped from the drop port 1 into the rotating chute 7 while rotating the rotating chute 7 at a constant rotation speed, or the rotating chute 7 is rotated at an arbitrary constant speed at each position of the collecting hopper 3. The high-temperature solid 12 is dropped from the drop port 1 into the rotating chute 7 while being rotated intermittently so as to stop for a certain period of time.

High-temperature solid 12 flowing out from the rotating chute 7 when the rotating chute 7 is rotated at a constant speed
descends in an even distribution over the surface of the distribution cone 2, and an equal amount of hot solid 12 is collected in each collecting hopper 3.
In addition, when the rotating chute 7 is rotated intermittently, the high temperature solid 12 flowing out from the rotating chute 7
is lowered with the surface of the distribution cone 2 toward the collecting hopper 3 at the target location, and each collecting hopper 3 similarly collects an equal amount of high-temperature solid 12.

The high temperature solids collected in the collecting hopper 3 fall into the charging hopper 13 directly below from the lower opening. That is, the high-temperature solid 12 that has descended radially downward through the rotating chute 7 and the distribution cone 2 is turned directly downward by the lower opening 11. Furthermore, the particles are uniformly dispersed in the radial direction by the metal fitting 16 in the charging hopper 13 to prevent grain size segregation, and the grains are evenly distributed in the charging hopper 13.
3. Furthermore, since the charging nozzles 14 of the four charging hoppers 13 are evenly discharged into the cooling chamber 15, the high-temperature solids are almost completely discharged into the cooling chamber 15.
5 is charged uniformly.

The high-temperature solid 12 charged into the cooling chamber 15 is sequentially cut out from the lower part of the cooling chamber 15, descends within the cooling chamber 15, and is cooled by contacting the cooling gas blown in from the lower part of the cooling chamber 15 and rising. On the other hand, the cooling gas becomes a high-temperature gas and is taken out from the cooling gas outlet 17.

As described above, in the present invention, the high-temperature solids 12 can be evenly distributed to each charging hopper 13, and therefore an equal amount of high-temperature solids 12 can be charged into the cooling chamber 15 from each charging nozzle 14. Particle size segregation of the high-temperature solid 12 within the temperature range is not promoted.

In the above embodiment, the number of collecting hoppers and charging nozzles was four each, but it is sufficient to have two or more, and it goes without saying that various changes can be made without departing from the gist of the present invention. be.

According to the present invention, as mentioned above, high-temperature solids are distributed evenly on the surface of a cone (distribution cone) by a rotating chute, or are lowered by a fixed amount toward each collecting hopper, thereby ensuring that an equal amount is delivered to each collecting hopper. The high-temperature solids can be collected, dispersed by particle size segregation prevention fittings when charging from each collecting hopper to each charging hopper, and the high-temperature solids can be evenly distributed to multiple charging nozzles, so that each charging Since the inlet nozzle can charge the same amount of high-temperature solids into the cooling chamber, when high-temperature solids with various particle size distributions are charged into a large-diameter cooling chamber, particle size segregation of the high-temperature solids in the cooling chamber is promoted. Therefore, it is possible to achieve the excellent effect of making it possible to uniformly cool the high-temperature solid.

[Brief explanation of the drawing]

1 and 2 show an embodiment of the present invention, FIG. 1 is a longitudinal sectional view, and FIG. 2 is a -
It is an arrow view. 1... Falling port, 2... Distribution cone, 3... Collection hopper, 7... Rotating chute, 12... High temperature solid, 13... Charging hopper, 14... Charging nozzle,
15...Cooling room.

Claims (1)

[Scope of utility model registration request] A cone is disposed between the high-temperature solids fall port and the cooling chamber, a plurality of collecting hoppers are disposed around the outer periphery of the cone, and a charging hopper is disposed below the lower opening of each collecting hopper. Particle size segregation prevention fittings are arranged in each charging hopper so as to be located below each of the lower openings, the lower charging nozzle of each charging hopper is connected to the cooling chamber, and the lower charging nozzle of each charging hopper is connected to the cooling chamber, and A distributing and charging device for high-temperature solids, characterized in that a rotating chute that rotates around the drop port is disposed between the port and the cone.