RU105012U1 - CASSETTE REFRIGERATOR - Google Patents

Abstract

 1. A cassette refrigerator containing a fixed grating and subsequent cascades of movable cassette gratings, while at the location of the first material along the moving zone of the reciprocating threshold of the cassette grate, a crushing shaft is installed that rotates freely in the fixed supports, and the end of the cassette grate the mentioned place is typed in crushing plates. ! 2. The cassette refrigerator according to claim 1, characterized in that the crushing shaft consists of a pipe to which plates are mounted on the outside, forming its crushing cylindrical surface, and a flow of cooling air is organized inside the shaft. ! 3. Cassette refrigerator according to claim 1, characterized in that the crushing shaft is equipped with a drive.

Description

The utility model relates to clinker coolers used as part of kiln units (when firing cement clinker).

No analogues were found by the authors.

The objective of the utility model is to increase the efficiency of the clinker cooler, which consists in crushing large pieces of clinker (“welds”) in the hot zone of the refrigerator.

The technical result consists in the application of:

a) crushing hollow cylindrical shaft. The shaft is mounted in fixed bearings at the location of the first (in the direction of movement of the material) moving reciprocating threshold of the cassette grate (in the hot zone);

b) crushing plates mounted on the surface of the shaft and fastened to each other through bolt joints;

c) cooling air flow inside the shaft pipe. The technical result is achieved by the fact that in a cassette refrigerator containing a fixed grid and subsequent cascades of movable cassette grids:

a) a crushing shaft is installed at the location of the first (in the direction of movement of the material) moving reciprocating threshold of the cassette grate (in the hot zone). The shaft rotates freely in fixed bearings, and the end face of the cassette lattice in this place is typed in crushing plates;

b) the crushing shaft is made of a pipe to which plates are attached outside, forming its crushing cylindrical surface, and a flow of cooling air is organized inside the pipe;

c) the crushing shaft is equipped with a drive.

Figure 1 shows a structural diagram of a cassette refrigerator; figure 2 - remote element A in figure 1.

In the cassette refrigerator, a cascade of movable cassette lattices 1 and 2 forms the first threshold (in the direction of movement of the material) threshold P. In the vicinity of threshold P, the crushing shaft 3 (freely turning) is installed in the fixed supports (not shown in Fig. 1). Between the end crushing plate 4 of the cartridge 1 and the shaft 3 there is a variable clearance B (see figure 2). The size of the gap B varies between the minimum and maximum values due to the reciprocating movement of the cassette grids 1 and 2. The shaft 3 (see figure 2) is made of pipe 5, to which the plates 6 and 7 are attached to the outside, forming its crushing surface D The crushing surfaces of the plates 4, 6 and 7 are formed by the spikes of W. The cooling air current B is organized inside the pipe 5. To ensure the necessary rigidity of the shaft 3 structure, the crushing plates 6 and 7 are fastened to each other through the pipe 5 through bolt connections 8.

The proposed device operates as follows.

If large pieces of clinker (“welds”) get into the refrigerator, they are transported by the cassette grate 1 to threshold P. At the moment the grating 1 goes back (variable gap B takes its maximum value), a large piece falls through the gap B to cassette grate 2. When the movement returns (forward) of the cassette grill 1, the clearance B decreases. As a result, the piece is squeezed with spikes Ш of the outer surfaces of the plates 4, 6 and 7; a large piece of material breaks into smaller ones. To increase the resistance of the structure to high temperature conditions, a current of cooling air B is organized inside the cavity of the pipe 5 of the crushing shaft 3. When the portion of the material is moved by the cartridge 2 under the action of friction, the crushing shaft 3 is rotated in the fixed supports.

The proposed device will allow:

a) reduce energy consumption for clinker crushing, since this whole process takes place in the hot zone of the refrigerator, with non-cooling material (the breaking stress of the hot material at high temperature is much less than after cooling);

b) increase the resistance of the design of the crushing shaft to high temperatures, since the parts are made of heat-resistant materials. In addition, heat removal is provided by forced current of cooling air inside the hollow shaft;

c) exclude the hammer crusher (located at the outlet of the refrigerators currently used types) as a mandatory unit of construction.

Claims (3)

1. A cassette refrigerator containing a fixed grating and subsequent cascades of movable cassette gratings, while at the location of the first material along the moving zone of the reciprocating threshold of the cassette grate, a crushing shaft is installed that rotates freely in the fixed supports, and the end of the cassette grate the mentioned place is typed in crushing plates. 2. The cassette refrigerator according to claim 1, characterized in that the crushing shaft consists of a pipe to which plates are mounted on the outside, forming its crushing cylindrical surface, and a flow of cooling air is organized inside the shaft. 3. Cassette refrigerator according to claim 1, characterized in that the crushing shaft is equipped with a drive.