Sintered ore cooling device

Abstract

The utility model discloses a sinter cooling device which comprises a cooling cylinder, a cooling supporting column is vertically arranged in the cooling cylinder, a spiral groove channel is formed in the cooling cylinder, the lower end of the cooling supporting column is connected with an air supply fan through an air pipe, a plurality of air holes are formed in the cooling supporting column in the circumferential direction, and a cooling pipe is further arranged in the cooling supporting column. The upper end and the lower end of the cooling pipe are connected with a water supply pipe and a water return pipe respectively, and the water supply pipe and the water return pipe extend into the cooling water tank outside the cooling cylinder. According to the cooling device, the cooling supporting columns and the spiral channels are arranged in the cooling cylinder, the cooling pipes are further arranged in the cooling supporting columns, sintered ore cooled by the annular cooler enters the spiral channels to be conveyed, the cooling supporting columns and the cooling pipes are matched to cool the interior of the cooling cylinder, and therefore the temperature of the sintered ore is further reduced; in this way, it can be guaranteed that the temperature of the sinter does not exceed the highest temperature specified by transportation, damage to conveying equipment is avoided, and normal conveying operation of the sinter can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mineral aggregate cooling equipment technical field especially relates to a sinter cooling device. BACKGROUND

[0002] Sintering operation is the process flow that iron ore powder, binder, fuel and the like are burned and fused into sinter, after sintering is completed, a large amount of residual heat will be left in the sinter, at this time, the sinter needs to be cooled and treated, and the cooling operation of the sinter is realized through a ring cooler, and there is a gap on the ring cooler, which leads to the situation that air leakage occurs, so that the temperature of the sinter cannot be reduced to a temperature (below 150 DEG C) that can be transported, if the sinter is directly transported, the surface of the conveyor belt is easily damaged, which not only damages the conveying equipment, but also affects the normal and stable conveying of the sinter, and brings great inconvenience to the sintering operation. SUMMARY

[0003] The utility model discloses a sinter cooling device, which effectively solves the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model takes the technical scheme as follows: a sinter cooling device, comprising a cooling cylinder, a hollow cooling column is vertically arranged in the cooling cylinder, a spiral groove is arranged in the cooling cylinder along the cooling column, the upper end of the spiral groove is communicated with the feeding port at the upper end of the cooling cylinder, the lower end of the spiral groove extends to the discharging port at the lower end of the cooling cylinder, a gas sending fan is connected to the lower end of the cooling column through a wind pipe, a plurality of air holes are arranged on the cooling column in the circumferential direction, a cooling pipe is further arranged in the cooling column, the upper end and the lower end of the cooling pipe are respectively connected with a water supply pipe and a water return pipe, and the water supply pipe and the water return pipe both extend into a cooling water tank outside the cooling cylinder.

[0005] Further, the upper end of the cooling column passes through the cooling cylinder and extends upward, the two ends of the cooling pipe respectively protrude from the upper end and the lower end of the cooling column, and the water supply pipe and the water return pipe are respectively communicated with the two ends of the cooling pipe.

[0006] Further, an air outlet is arranged at the top of the cooling cylinder.

[0007] Further, an air outlet fan is arranged at the air outlet.

[0008] Further, a feeding hopper is arranged on the cooling cylinder at a position corresponding to the feeding port.

[0009] Further, a water supply pump is arranged on the water supply pipe, and a water return pump is arranged on the water return pipe.

[0010] Further, support legs are arranged at the lower end of the cooling cylinder.

[0011] The above technical scheme of the utility model has the following beneficial effects: the utility model discloses a cooling pillar and spiral groove are arranged in the cooling cylinder, and the cooling pillar is internally provided with a cooling pipe, the sinter cooled by the ring cooler enters the spiral groove and is transported, and the cooling pillar and the cooling pipe cooperate to cool the inside of the cooling cylinder, so that the temperature of the sinter is further reduced, which can guarantee that the temperature of the sinter does not exceed the highest temperature stipulated for transportation, so that not only the transportation equipment is prevented from being damaged, but also the normal transportation operation of the sinter is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a front view sectional view schematic diagram of the utility model embodiment;

[0013] Fig. 2 It is a sectional structure schematic diagram of the cooling pillar of the utility model embodiment. DETAILED DESCRIPTION

[0014] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described in detail below in combination with the drawings and specific embodiments, and it shall be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0015] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0016] As Figs. 1-2 Indicated, the sinter cooling device described in the embodiment, including the cooling cylinder 1, the hollow cooling pillar 2 is arranged vertically in the cooling cylinder 1, the spiral groove 3 is arranged along the cooling pillar 2 in the cooling cylinder 1, the upper end of the spiral groove 3 is communicated with the feed inlet of the upper end of the cooling cylinder 1, the lower end of the spiral groove 3 extends to the discharge port at the lower end of the cooling cylinder 1, the lower end of the cooling pillar 2 is connected with the air supply fan 5 through the air pipe 4, a plurality of air holes 2a are arranged on the cooling pillar 2 along the circumference, the cooling pipe 6 is further arranged in the cooling pillar 2, the upper and lower ends of the cooling pipe 6 are connected with the water supply pipe 7 and the return pipe 8 respectively, and the water supply pipe 7 and the return pipe 8 both extend into the cooling water tank 9 outside the cooling cylinder 1.

[0017] The upper end of the cooling pillar 2 passes through the cooling cylinder 1 and extends upward, and the two ends of the cooling pipe 6 respectively extend out of the upper and lower ends of the cooling pillar 2, and the water supply pipe 7 and the return pipe 8 are communicated with the two ends of the cooling pipe 6 respectively.

[0018] The top of the cooling cylinder 1 is provided with an air outlet.

[0019] The exhaust fan 10 is arranged at the exhaust port.

[0020] The exhaust fan 10 can play a role of leading air, so that the cold air in the cooling cylinder 1 circulates, thereby improving the cooling effect of the sinter.

[0021] The cooling cylinder 1 is provided with a feeding hopper 11 at a position corresponding to the feeding port.

[0022] The water supply pipe 7 is provided with a water supply pump 12, and the water return pipe 8 is provided with a water return pump 13.

[0023] The lower end of the cooling cylinder 1 is provided with a supporting leg 14.

[0024] The working principle of the utility model is as follows: the sinter falls through the feeding hopper 11, and then enters the spiral chute 3 through the feeding port at the top of the cooling cylinder 1 for conveying, at the same time, the air supply fan 5 starts to convey air into the cooling pillar 2 through the air pipe 4, the air enters the cooling pillar 2 and is blown out through the air hole, thereby being blown into the cooling cylinder 1, and the water supply pump 12 and the water return pump 13 are also started in succession, the water supply pump 12 pumps out the cooling water in the cooling water tank 9, the pumped-out cooling water is conveyed into the cooling pipe 6 in the cooling pillar 2 through the water supply pipe 7, after the cooling water flows through the cooling pipe 6 and exchanges heat, the cooling water is discharged through the water return pipe 8 and finally flows back to the cooling water tank 9, the cooling water is naturally cooled in the tank, and a cooling fan can also be additionally installed to blow towards the cooling water tank 9 to accelerate cooling, with the circulation of the cooling water in the cooling pipe 6, the temperature of the air entering the cooling cylinder 1 is reduced, and the flowing cooling pipe 6 also exchanges heat with the heat released by the sinter when passing through the cooling cylinder 1, and finally takes away the heat, in this way, the sinter is cooled and cooled when conveying on the spiral chute 3, and finally, the cooled sinter is discharged from the discharge port at the bottom of the cooling cylinder 1 and falls onto the conveyor for conveying.

[0025] The embodiments of the utility model are given for example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical application of the utility model, and to enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A sinter cooling device, characterized by: The cooling cylinder is internally vertically provided with a hollow cooling column, a spiral channel is arranged along the cooling column in the cooling cylinder, the upper end of the spiral channel is communicated with a feeding port at the upper end of the cooling cylinder, the lower end of the spiral channel extends to a discharging port at the lower end of the cooling cylinder, the lower end of the cooling column is connected with a gas sending fan through an air pipe, a plurality of air holes are circumferentially arranged on the cooling column, a cooling pipe is further arranged in the cooling column, the upper and lower ends of the cooling pipe are respectively connected with a water supply pipe and a water return pipe, and the water supply pipe and the water return pipe both extend into a cooling water tank outside the cooling cylinder.

2. A sinter cooling device according to claim 1, characterised in that: The upper end of the cooling column extends upward through the cooling cylinder, and the two ends of the cooling pipe respectively extend out of the upper and lower ends of the cooling column.

3. A sinter cooling device according to claim 1, characterised in that: An air outlet is arranged at the top of the cooling cylinder.

4. A sinter cooling device according to claim 3, characterised in that: An air outlet fan is arranged at the air outlet.

5. A sinter cooling device according to claim 1, characterised in that: A feeding hopper is arranged on the cooling cylinder at a position corresponding to the feeding port.

6. A sinter cooling device according to claim 1, characterised in that: A water supply pump is arranged on the water supply pipe, and a water return pump is arranged on the water return pipe.

7. A sinter cooling device according to claim 1, characterised in that: Supporting legs are arranged at the lower end of the cooling cylinder.

Images