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Vertical cooling machine with moving plate type discharging device and cooling method

A technology of moving plates and coolers, which is applied in the fields of vertical coolers and cooling, sinter coolers and sinter cooling. Low-level problems, to achieve the effect of flexible layout, less equipment maintenance, and high hot air temperature

Pending Publication Date: 2019-07-09
ZHONGYE-CHANGTIAN INT ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No matter which cooling method is used, the cooling machine has problems such as large air leakage rate, high fan power consumption, low sensible heat recovery rate, and low boiler thermal efficiency.
In other words, in the current environment where the market has increasingly stringent requirements for energy saving and green manufacturing in sinter production, the original equipment structure has been difficult to achieve efficient recovery and utilization of sinter sensible heat

Method used

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  • Vertical cooling machine with moving plate type discharging device and cooling method
  • Vertical cooling machine with moving plate type discharging device and cooling method
  • Vertical cooling machine with moving plate type discharging device and cooling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] Such as figure 1 As shown, a vertical cooler with a movable plate discharge device, the vertical cooler A0 includes a material distribution device 1 , a tower body 2 , an edge air supply device 3 and a movable plate discharge device 4 . The tower body 2 includes a tower top 201 , a tower wall 202 and a tower bottom 203 . The tower top 201 is arranged on top of the tower wall 202 . The column bottom 203 is provided at the bottom of the column wall 202 . The distribution device 1 is arranged above the tower top 201 and communicates with the inside of the tower body 2 . The side air supply device 3 is arranged at the middle and lower part of the tower wall 202 . The bottom 203 of the tower is provided with a discharge port 204 . The movable plate discharge device 4 is arranged below the discharge opening 204 . A hot air outlet 5 is provided on the top of the tower wall 202 .

[0084] Such as image 3 As shown, the edge air supply device 3 includes an edge air supply...

Embodiment 2

[0091] Such as figure 2 As shown, embodiment 1 is repeated, except that the wind cap M of the central air supply device 6 is located at the center of the bottom of the tower body 2 and extends upward into the inner space of the tower body 2 . The central air supply duct 602 is located outside the discharge chute 7 . One end of each central air supply branch pipe 601 communicates with the central air supply duct 602 and the other end communicates with the lower part of the air cap M through the discharge chute 7 .

Embodiment 3

[0093] Embodiment 1 is repeated, except that the vertical cooler A0 is provided with a plurality of temperature measuring elements 8 on the tower wall 202 along the circumferential direction. The temperature measuring element 8 is located on the upper part of the edge air supply device 3 and extends into the interior of the tower body 2 . The temperature measuring element 8 is a thermocouple temperature sensor.

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Abstract

The invention relates to a vertical cooling machine with a moving plate type discharging device. The vertical cooling device comprises a distributing device, a tower body, a side air supply device andthe moving plate type discharging device; the tower body comprises a tower top, a tower wall and a tower bottom; the tower top is arranged at the top of the tower wall; the tower bottom is arranged at the bottom of the tower wall; the distributing device is arranged above the tower top and communicates with the interior of the tower body; the side air supply device is arranged at the lower middleportion of the tower wall; a discharge port is formed in the tower bottom; the moving plate type discharging device is arranged below the discharge port; and a hot air outlet is formed in the upper portion of the tower top or the tower wall. The vertical cooling machine has the advantages that the sinter cooling rate is low, the cooling air amount consumed by each ton is small, the exhaust gas amount is relatively small, the exhaust gas temperature is high, the boiler thermal efficiency is high, the cooling exhaust gas can be fully utilized by the boiler, the sinter sensible heat recovery rate can generally be about 70%.

Description

technical field [0001] The invention relates to a sinter cooler and a sinter cooling method, in particular to a vertical cooler with a moving plate type discharge device and a cooling method, which belong to the fields of ironmaking and environmental protection. Background technique [0002] In the modern sintering process, "cooling" is one of the most critical processes. After the sintered ore has been roasted by the sintering machine, it has formed a high-temperature finished ore. How can it be protectively cooled without affecting its quality and yield, so that it can be sent to the finished product ore bin through a belt conveyor, and at the same time The perfect recovery and utilization of the sensible heat energy it carries has always been a problem that technicians in the industry have been constantly studying. [0003] At present, the sinter cooling mainly adopts the traditional belt cooler or ring cooler based on the principle of high wind quick cooling and one-tim...

Claims

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Application Information

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IPC IPC(8): C22B1/26F27D17/00
CPCC22B1/26F27D17/004Y02P10/25
Inventor 贺新华张震潘绍兵
Owner ZHONGYE-CHANGTIAN INT ENG CO LTD
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