KR101316162B1 - Sintered ore cooling apparatus - Google Patents

Abstract

A sintered ore cooler is disclosed. The sintered ore cooler according to an embodiment of the present invention is provided with an inlet and an outlet of the sintered ore, the cooling chamber is provided with a heat exchange means provided to recover the heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a variable cooling capacity of the cooling air in response to the discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber.

Description

Sintered ore cooler {SINTERED ORE COOLING APPARATUS}

The present invention relates to a sintered ore cooler for cooling the sintered ore produced for charging the blast furnace, and more particularly to a sintered ore cooler having an improved structure to improve the cooling performance of the sintered ore.

In general, the sintering process is a process for producing iron ore having a small particle size as a sintered ore having a predetermined particle size.

This sintering process mixes a sintered raw material consisting of iron ore, secondary raw materials, powdered coke and the like. Then, when the sintered raw material blended in this way is charged into a sintered trolley and ignited using a burner, the sintered raw materials charged in the course of passing through the sintering machine are burned and sintered by heat generated.

The sintered ore manufactured through this process is subjected to primary crushing while passing through a crusher, for example, a hot crusher, and the sintered ore is charged into a sintered ore cooler and cooled.

As a conventional cooling device for sintered ore, a linear or circular cooler is used. Such a linear or circular cooler is a device for moving the sintered sintered ore along a straight or circular running path and cooling it in contact with air.

Meanwhile, the conventional sintered ore cooler has an average temperature of about 550 ° C. for discharging the cooled sintered ore, and recently, a sintered ore cooler having a closed cooling space has been developed and used to recover heat generated during cooling of the sintered ore.

The sintered ore cooler is provided in an up-draft manner in which air supplied for cooling the sintered ore is supplied after being supplied from the lower center and rises to cool the sintered ore.

However, the conventional sintered ore cooler has a limitation in cooling the sintered ore because the air supplied from the lower center is not diffused to the peripheral portion, thereby reducing the cooling performance and the amount of heat that can be recovered during cooling of the sintered ore.

Accordingly, it is required to improve the cooling structure of the sintered ore cooler to improve the cooling efficiency of the sintered ore, and to develop a technique for further improving the recovery rate of heat generated during the cooling of the sintered ore.

An embodiment of the present invention is to facilitate the inflow of air for cooling the sintered ore, to supply air to the peripheral portion of the air supply is not smooth, and to adjust the air supply amount according to the temperature to improve the cooling efficiency It is an object to provide a sintered ore cooler.

The sintered ore cooler according to an embodiment of the present invention is provided with an inlet and an outlet of the sintered ore, the cooling chamber is provided with a heat exchange means provided to recover the heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a cooling capacity of the cooling air in response to an emission distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber, wherein the second cooling air supply unit includes a peripheral portion of the discharge unit. A plurality of cooling air jetting parts divided into a plurality of zones, a sensor unit for measuring an emission distribution or temperature distribution of the sintered ore discharged to the discharge unit, and a sintered ore provided respectively to the cooling air jetting unit and measured by the sensor unit It includes a valve opening and closing portion for controlling the supply amount of the cooling air injected into the cooling air injection unit in accordance with the discharge distribution or the temperature distribution of the.

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In addition, the cooling chamber may further include a discharge duct provided to cover the discharge portion spaced apart a predetermined distance outside the discharge portion of the cooling chamber.

In addition, the cooling air injection unit may include a nozzle provided to communicate with one side of the discharge duct.

In addition, the cooling air injection unit may include a nozzle in communication with one side of the discharge duct and extended to inject cooling air to the lower side.

The cooling air injection unit may include a nozzle provided to communicate with one side of the discharge duct, and an auxiliary nozzle extending in a circumferential direction at an end of the nozzle and having a plurality of cooling air injection holes.

In addition, the sintered ore cooler according to another embodiment of the present invention is provided with an inlet and outlet of the sintered ore, the cooling chamber is provided with a heat exchange means provided to recover the heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a cooling capacity of the cooling air in response to a discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber, wherein the cooling chamber includes an accommodation space in which the sintered ore is stored. And a discharge guide configured to guide the discharge of the hot air so that the hot air generated by cooling of the sintered ore flows into the heat exchange means and is partitioned around the upper portion of the main body provided therein.

In addition, the sintered ore cooler according to another embodiment of the present invention is provided with an inlet and outlet of the sintered ore, the cooling chamber provided with heat exchange means provided to recover the heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a cooling capacity of the cooling air in response to the discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber, and provided to an input unit of the cooling chamber. When the delay of the injection further comprises a heat discharge blocking unit for blocking the heat discharged to the input unit.

In addition, the sintered ore cooler according to another embodiment of the present invention is provided with an inlet and outlet of the sintered ore, the cooling chamber provided with heat exchange means provided to recover the heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit varying and supplying cooling capacity of the cooling air in response to the discharge distribution or the discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber. Further comprising a discharge unit for controlling the discharge of the.

According to one embodiment of the present invention, the supply amount of the cooling air may be adjusted according to the discharge distribution or discharge temperature of the sintered ore generated according to the position at which the sintered ore is discharged, thereby uniformly cooling the sintered ore in the cooling chamber.

In addition, the present embodiment can improve the recovery rate of heat generated from the cooling of the sintered ore as the sintered ore is cooled uniformly as a whole.

In addition, since the present embodiment can supply the cooling air to the periphery of the cooling chamber, the cooling efficiency can be improved.

In addition, the present embodiment improves the cooling performance by sensing the discharge temperature of the sintered ore to increase the amount of cooling air supplied to the portion of the cooling is not smooth, heat recovery efficiency by minimizing the discharge of the sintered ore without cooling Can improve.

In addition, in the present embodiment, when the sintered ore is segregated and discharged, the amount of cooling air is increased to the portion where the sintered ore is segregated to obtain a uniform and stable cooling efficiency as a whole.

1 is a cross-sectional view of a sintered ore cooler according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along line II of FIG. 1. FIG.
Figure 3 is a partial perspective view showing a cooling air jet provided in the sintered ore cooler according to an embodiment of the present invention.
4 is an enlarged cross-sectional view of a portion 'A' of FIG. 1.
5 is a partial perspective view showing a cooling air jet provided in the sintered ore cooler according to another embodiment of the present invention.
Figure 6 is a partial perspective view of a modification of the cooling air jet provided in the sintered ore cooler according to another embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified into various other forms, and the scope of the present invention is not limited to the embodiments described below. The shape and the size of the elements in the drawings may be exaggerated for clarity and the same elements are denoted by the same reference numerals in the drawings.

1 is a cross-sectional view of a sintered ore cooler according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the line I-I of FIG. 3 is a partial perspective view showing a cooling air jet provided in the sintered ore cooler according to an embodiment of the present invention.

1 to 3, the sintered ore cooler 100 according to the present exemplary embodiment may include a cooling chamber 110, a first cooling air supply unit 150, and a second cooling air supply unit 250. .

In the present embodiment, the sintered ore cooler 100 is provided to cool the sintered ore which has been sintered from the sintered machine 10. It may be provided at the bottom.

The sintering machine 10 is provided with a plurality of sintering cart 12 to be circulated, and after sintering is carried out in a state in which the sintering raw materials are charged in the sintering bogie 12, the sintering machine 12 is supplied to the crushing unit 20 to have predetermined particles. Can be.

In addition, the sintered ore crushed by the crushing unit 20 may be discharged through the input chute 22.

In addition, the sintered ore cooler 100 may include a cooling chamber 110 for cooling the sintered ore supplied from the input chute 22 and recovering heat generated in the process.

The cooling chamber 110 may include a main body 112 having a receiving space in which the sintered light is stored. In addition, an opening 114 may be formed at an upper position of the main body 112 to allow the inflow of the sintered ore supplied from the closing chute 22, and a heat exchange may be performed at a lower position of the main body 112. An open discharge part 116 may be formed to discharge the sintered ore.

The cooling chamber 110 may cool the sintered ore injected through the input unit 114 and then discharge it to the outside through the discharge unit 116. The cooling chamber 110 may maintain a state in which the sintered ore injected through the input unit 114 is stacked in a predetermined amount, and the stacked sintered ore may be discharged while cooling is performed.

In addition, the cooling chamber 110 may include a charging chute 120 provided in the main body 112 to guide the supply according to the particle size distribution of the sintered ore introduced from the inlet 114 to prevent segregation. have.

In addition, the cooling chamber 110 may be provided with a first cooling air supply unit 150 for supplying cooling air for cooling the sintered ore into the body portion 112.

Here, the first cooling air supply unit 150 may include a cooling nozzle 152 provided adjacent to the discharge unit 116 in the lower portion of the main body 112.

In addition, the cooling nozzle 152 may be connected to the first cooling air supply unit 154 disposed outside the cooling chamber 110, the cooling air supplied from the first cooling air supply unit 154 cooling nozzle 152 Through the injection into the body portion 112 can be cooled to the sintered ore. An example of the first cooling air supply unit 154 may be a blower.

The cooling nozzle 152 may have a structure such as a hat (or mushroom) in which a flow path is formed inside so that the nozzle is not blocked by the stacked sintered ore, and the plurality of holes 153 through which the cooling air is discharged are shaped like a hat. It may be provided to be inclined downward sideways along the perimeter of.

On the other hand, the cooling nozzle 152 may be made of a structure that overlaps the hat, in this case, the cooling air may be injected in a plurality of layers from the plurality of holes 153 arranged in a layer structure along the rim of the hat.

By such a configuration, the hole 153 through which the cooling air is discharged may be formed downward to minimize a phenomenon of being blocked by sintered ore particles. In addition, as the cooling air injected from the cooling nozzle 152 is inclined downward, the air flow may be formed while colliding with the sintered or the temperature is increased by heat exchange with the sintered ore. In addition, the air heated in the cooling process of the sintered ore may move to the upper region of the main body 112.

In addition, a discharge guide 130 may be provided at an upper circumference of the inside of the main body 112 to collect and discharge heated air to recover the heat generated in the process of cooling the high-temperature sintered ore.

The discharge guide 130 may have a structure having an inner diameter smaller than the inner diameter of the main body 112 and disposed inside the receiving space of the main body 112, the upper part of which is closed and the lower part of the discharge guide 130. The discharge guide 130 may be introduced and stored through the lower opening of the heat generated from the sintered ore.

In addition, the discharge guide 130 may be provided with a heat exchange means for discharging the heat generated from the sintered ore to be recovered by heat exchange.

To this end, one side of the discharge guide 130 may be provided with a recovery heat discharge unit 132 for discharging the heat generated by the sintered ore.

On the other hand, heat recovery means for recovering the discharged heat, for example, the recovery heat using device 140 may be connected to the recovery heat discharge unit 132. The recovered heat using apparatus may include a heat exchanger 142.

In this embodiment, the recovery heat discharge unit 132 may be provided to connect the heat exchanger 142 of the recovery heat using device 140 to recover the heat generated during the cooling process of the sintered ore.

In addition, the recovered heat using apparatus 140 may drive a turbine such as a generator 144 using the thermal energy obtained through the heat exchanger 142. In addition, the recovery heat using apparatus 140 in the present embodiment is not limited and may be provided in various embodiments.

For example, although not shown, the recovery heat using device 140 may include a heating device, and the heating device may be used as heating energy by using the heat recovered by being connected to the recovery heat discharge unit 132.

In addition, in the present embodiment, the cooling chamber 110 sucks the heat to one side of the pipe connected to the recovery heat discharge unit 132 to prevent the heat inside the main body 112 from being discharged through the inlet 114. A delivery pump 134 may be further provided.

The pump 134 may lower the pressure inside the main body 112 of the cooling chamber 110, so that the pressure inside the main body 112 is lower than atmospheric pressure, so that the air in the main body 112 is lowered. It is not discharged through the inlet 114.

On the other hand, the sintered ore cooler 100 includes a heat discharge blocking unit 170 for blocking the heat discharged to the input unit 114 when the input delay of the sintered ore injected into the input unit 114 of the cooling chamber 110. Can be.

The hot air discharge blocking unit 170 may be provided to slide or move the input unit 114 to open or close the input unit 114.

The hot air discharge blocking unit 170 may include a cover 172 that is slidably movable in the input unit 114, and moves the cover 172 to open and close the driving unit 174 to open and close the input unit 114. It may include. For example, in the present embodiment, the driving unit may include an actuator operated by pneumatic or hydraulic pressure.

Meanwhile, in the present embodiment, the discharge part 116 may be provided with a split hopper part 200 that divides the discharge area into a plurality of spaces. For example, in the present embodiment, the split hopper part 200 may be provided to divide the discharge space into four areas.

In addition, the discharge unit 116 of the cooling chamber 110 may be provided with a discharge unit 210 for controlling the discharge of the sintered ore.

The discharge unit 210 may be provided under the discharge unit 116 to adjust the discharge amount of the sintered ore guided by the split hopper unit 200.

To this end, the discharge unit 210 may include a discharge plate 212 located at the bottom of the split hopper unit 200, the discharge plate 212 is a vibration generating unit 214 is linked to generate a vibration Can be provided.

Here, the discharge plate 212 is provided rotatably by a rotary connection member such as a hinge on one side, it may rotate in conjunction with the operation of the vibration generating unit 214 and generate vibration. In this embodiment, the vibration generating unit 214 may include a motor.

To this end, a connection member 216 may be provided between the discharge plate 212 and the vibration generating unit 214 for converting a rotational motion into a reciprocating motion or an eccentric rotational motion.

In addition, in the present embodiment, the vibration generating unit 214 may generate a vibration by combining in at least one direction of horizontal, vertical, oblique, or rotational directions.

In addition, the discharge plate 212 may be disposed to be inclined downward at a predetermined angle, for example, it is also possible to adjust the inclined angle of the discharge plate (212).

In addition, in the present embodiment, the vibration generating unit 214 is described as using the rotational force of the motor, it is possible to generate the vibration by moving the discharge plate 224 using an actuator using hydraulic or pneumatic, motor or actuator It is also possible to generate a vibration by combining a variety of exercise means, such as.

In addition, the sintered ore cooler 100 of the present embodiment may include a second cooling air supply unit 250 for supplying a variable cooling capacity of the cooling air.

In one example, the cooling capacity of the cooling air can be varied by adjusting the supply amount according to the position where the cooling air is supplied.

The second cooling air supply unit 250 measures the discharge distribution or the discharge temperature of the sintered ore discharged to the discharge unit 116 of the cooling chamber 110, in consideration of this, the supply amount of the cooling air supplied to the cooling chamber 110 Can be adjusted.

To this end, the second cooling air supply unit 250 may include a plurality of cooling air injection units 252a, 252b, 252c, and 252d provided in a plurality of zones around the discharge unit 116.

The cooling air injection units 252a, 252b, 252c, and 252d may be connected to the first cooling air supply unit 154 disposed outside the cooling chamber 110, and receive the cooling air therefrom to receive the cooling air from the inside of the cooling chamber 110. Can be sprayed with

In addition, although the cooling air injection unit 252a, 252b, 252c, and 252d in the present embodiment has been described as receiving cooling air from the first cooling air supply unit 154, the present invention is not limited thereto, and cooling from the separately provided cooling air supply unit. It is also possible to receive air.

In the present embodiment, the cooling air injection units 252a, 252b, 252c, and 252d may include a plurality of nozzles located in each discharge area, as shown in FIG. For example, in the present embodiment, the cooling air injection units 252a, 252b, 252c, and 252d may include four pipes, and each pipe may be divided and arranged at an angle of about 90 degrees.

Meanwhile, a valve opening and closing part 260 may be provided at one side of a pipe connecting the cooling air injection units 252a, 252b, 252c, and 252d and the first cooling air supply unit 154.

The valve opening and closing unit 260 may adjust the supply amount of cooling air according to the temperature distribution of the sintered ore discharged to the discharge unit 116 of the cooling chamber 110.

To this end, the discharge unit 116 of the cooling chamber 110 may be provided with a sensor unit 270 for measuring the temperature distribution of the sintered ore discharged. The sensor unit 270 may include a plurality of temperature sensors 272a, 272b, 272c, and 272c installed in each division area of the discharge unit 116, and use the same to determine the temperature of the sintered ore discharged to each area. It can be measured.

In addition, the discharge temperature of the sintered ore measured by the sensor unit 270 may be transmitted to the controller 275.

The control unit 275 may control the valve opening and closing unit 260 according to the temperature of each discharge area measured by the sensor unit 270 to vary the amount of cooling air to be supplied to each divided area of the cooling chamber 110.

For example, in the present embodiment, the valve opening and closing portion 260 may include the respective valves 260a, 260b, 260c, 260d).

That is, in this embodiment, when the temperature of the sintered ore detected by any one temperature sensor (for example, 272a) provided in each divided area is high, the valve opening / closing part 260 further opens the valve (for example 260a) provided in the area. The amount of cooling air injected from the cooling air injection unit 252a may be increased.

In addition, when the temperature of the sintered ore sensed by the other temperature sensor (for example, one of 272b, 272c, or 272d) provided in each division is low, the valve (for example, one of 260b, 260c, or 260d) provided in the region is In addition, the amount of cooling air injected from the cooling air injection units 252b, 252c, and 252d may be reduced.

As such, the second cooling air supply unit 250 according to the present exemplary embodiment may adjust the cooling air amount supplied to each divided area to adjust the cooling performance according to the divided area of the cooling chamber 110.

On the other hand, the second cooling air supply unit 250 in the present embodiment has been described as controlling the cooling performance according to the temperature distribution of the sintered ore discharged to each divided region, but to adjust the cooling performance corresponding to the discharge distribution of the sintered ore. It is also possible.

To this end, the sensor unit 270 provided in each area of the discharge unit 116 may be provided as a proximity sensor. The proximity sensor may determine whether segregation of the sintered ore is discharged by sensing the discharge distribution of the sintered ore discharged to each divided region of the discharge unit 116, and thus cooling air injected from the cooling air injection unit 250. Cooling performance can be controlled by adjusting the supply amount.

On the other hand, in the present embodiment, the cooling chamber 110 may include a discharge duct 290 provided to be spaced a predetermined distance outside the discharge portion 116 of the main body portion 112.

The structure of the discharge duct 290 can be seen more clearly through FIG. 4, which is an enlarged cross-sectional view of portion 'A' of FIG. 1.

In addition, the upper portion of the discharge duct 290 may be provided in a blocked state.

In the present embodiment, the internal pressure of the cooling chamber 110 is maintained at a low pressure to recover heat generated in the cooling process of the sintered ore. Accordingly, cooling air flows in through the second cooling air supply unit 250 and the cooling chamber 110. ) The sintered ore loaded in the inner peripheral portion can be cooled.

In addition, although the cooling air injection unit 250 is described as being provided adjacent to the discharge unit 116 of the cooling chamber 110 in the present embodiment, the installation position of the cooling air injection unit 250 is not limited.

For example, the cooling air injection unit 250 may be provided to communicate with one side of the discharge duct 290.

Discharge duct 290 is provided to surround the lower end of the discharge portion 116 of the cooling chamber 110, preferably, the upper end of the discharge duct 290 may be located at a position higher than the lower end of the discharge portion 116. . As such, the discharge duct 290 may be provided to cover the bottom of the discharge unit 116 at a position higher than the bottom of the discharge unit 116.

5 is a partial perspective view showing a cooling air jet provided in the sintered ore cooler according to another embodiment of the present invention.

Referring to FIG. 5, in the present exemplary embodiment, the second cooling air supply unit 350 may include a nozzle 352 provided through the discharge duct 290. In addition, the nozzle 352 may be provided in a form in which the outlet portion into which the cooling air is injected is bent downward. The nozzle 352 may spray the cooling air downward to allow the nozzle 352 to easily flow into the cooling chamber 110.

Meanwhile, FIG. 6 is a partial perspective view of a modified air cooling unit provided in the sintered ore cooler according to another embodiment of the present invention, wherein the second cooling air supply unit 450 passes through the discharge duct 290 and is provided with a nozzle 452. It may include. In addition, the nozzle 452 may be provided in a form in which the outlet portion into which the cooling air is injected is bent downward.

In addition, the nozzle 452 may be further provided with an auxiliary nozzle 454 to inject cooling air into a uniform area in the discharge duct 290. In addition, the auxiliary nozzle 454 is formed to extend to each discharge area, it may be provided in a form provided with a plurality of cooling air injection holes 256 downward.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. It will be clear to those who have knowledge.

10: sintering machine 20: crushing unit
22: chute 100: sintered ore cooler
110: cooling chamber 112: main body
114: inlet 116: outlet
120: charging chute 130: discharge guide
132: recovery heat discharge portion 134: pump
140: recovery heat using apparatus 142: heat exchanger
144: generator 150: first cooling air supply unit
152: cooling nozzle 153: hole
154: first cooling air supply unit 170: hot air discharge blocking unit
172: cover 174: drive part
200: split hopper 210: discharge unit
212: discharge plate 214: vibration generating unit
216: connecting member 250: second cooling air supply unit
252a, 252b, 252c, 252d: cooling air jet
254: nozzle 256: cooling air nozzle
260: valve opening and closing part 260a, 260b, 260c, 260d: valve
270: sensor unit 272a, 272b, 272c, 272c: temperature sensor
275: control unit 290: discharge duct

Claims (9)

delete A cooling chamber having an inlet and an outlet of the sintered ore and having heat exchange means provided to recover heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a variable cooling capacity of the cooling air in response to the discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber.
The second cooling air supply unit includes a plurality of cooling air injection units provided in a plurality of zones around the discharge unit, a sensor unit measuring an emission distribution or temperature distribution of the sintered ore discharged to the discharge unit, and the cooling air injection unit Sintered ore cooler including a valve opening and closing portion for controlling the supply amount of the cooling air is injected into the cooling air injector in accordance with the discharge distribution or temperature distribution of the sintered ore measured in the sensor unit, respectively.
The method of claim 2, wherein the cooling chamber
Sintered ore cooler, characterized in that it further comprises a discharge duct provided to cover the discharge portion spaced apart from the discharge portion of the cooling chamber a predetermined distance.
The method of claim 3, wherein the cooling air injection unit
And a nozzle provided to communicate with one side of the discharge duct.
The method of claim 3, wherein the cooling air injection unit
And a nozzle communicating with one side of the discharge duct and extending to spray cooling air downward.
The method of claim 3, wherein the cooling air injection unit
A nozzle provided to communicate with one side of the discharge duct;
Sintered ore cooler including an auxiliary nozzle extending in the circumferential direction at the end of the nozzle, the auxiliary nozzle having a plurality of cooling air injection holes.
A cooling chamber having an inlet and an outlet of the sintered ore and having heat exchange means provided to recover heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a variable cooling capacity of the cooling air in response to the discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber.
The cooling chamber is divided into a main body having an accommodating space for storing the sintered ore and an upper circumference of the inside of the main body to guide the discharge of the hot air so that the hot air generated by the cooling of the sintered ore flows into the heat exchange means. Sintered ore cooler including discharge guide.
A cooling chamber having an inlet and an outlet of the sintered ore and having heat exchange means provided to recover heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a variable cooling capacity of the cooling air in response to the discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber.
Sintered ore cooler further comprises a heat discharge blocking unit provided in the input of the cooling chamber to block the heat discharged to the input when the input delay of the sintered ore.
A cooling chamber having an inlet and an outlet of the sintered ore and having heat exchange means provided to recover heat generated by the cooling of the sintered ore stored therein; A first cooling air supply unit supplying cooling air for cooling the sintered ore into the cooling chamber; And a second cooling air supply unit configured to supply a variable cooling capacity of the cooling air in response to the discharge distribution or discharge temperature of the sintered ore discharged to the discharge unit of the cooling chamber.
Sintered ore cooler further comprises a discharge unit provided in the discharge portion of the cooling chamber to control the discharge of the sintered ore.

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