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Crushing and cooling technology for hot ore cake through planar circulating stepping type sintering machine

A cooling process, step-by-step technology, applied in lighting and heating equipment, furnace types, processing discharged materials, etc., can solve the problems of high exhaust pressure, high operating power, energy waste, etc. The effect of reducing power consumption and reducing energy consumption

Active Publication Date: 2018-11-06
杨军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The planar circulation stepping sintering machine is the main equipment for the sinter production of iron and steel enterprises. There are three sealing devices on the bellows table of the planar circulation stepping sintering machine: the head sealing plate, the middle sealing plate and the machine tail sealing plate. The sintering section is between the head sealing plate and the middle sealing plate, and the cooling section is between the middle sealing plate and the tail sealing plate. The sintering section and the cooling section are arranged in series on the same axis, and the sintering waste gas in the sintering section is treated with environmental protection. Finally, it is discharged by the exhaust fan in the sintering section, and the dusty exhaust gas in the cooling section is discharged by the exhaust fan in the cooling section after environmental protection treatment; The trolleys arranged in the axial direction move forward synchronously. At the tail of the sintering section, the sintered hot mineral cake with high density and physical structure strength after the sintering process leaves the intermediate seal and enters the cooling section for exhaust cooling. Due to the existence of hot mineral cake Larger density and physical strength Poor air permeability, greater air cooling resistance, higher air pressure required, higher operating power, resulting in a lot of waste of energy

Method used

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  • Crushing and cooling technology for hot ore cake through planar circulating stepping type sintering machine
  • Crushing and cooling technology for hot ore cake through planar circulating stepping type sintering machine
  • Crushing and cooling technology for hot ore cake through planar circulating stepping type sintering machine

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Embodiment one: with reference to attached Figure 1-5

[0038] The sinter cake crushing system adopts a water-cooled rotary sinter cake crusher. The water-cooled rotary sinter cake crusher includes a driving mechanism 1, a support device 2 and a crushing roller 3. The two ends of the crushing roller 3 are provided with a support device 2. The driving mechanism 1 is drivingly connected with the crushing roller 3, the crushing roller 3 includes a transmission shaft 9, a support plate 11 and a cylinder 12, the transmission shaft 9 is a hollow structure, and a partition 13 is arranged inside the transmission shaft 9, and the partition 13 will The interior of the shaft 9 is divided into a water inlet chamber 14 and a water outlet chamber 15. Both ends of the cylinder body 12 are closed, and a plurality of support plates 11 are arranged between the cylinder body 12 and the transmission shaft 9, and two adjacent support plates 11 form a The cooling cavity 17 of the cylinder ...

Embodiment 2

[0046] Embodiment two: with reference to attached Figure 6-11

[0047] The sinter cake crushing system adopts gantry-type sinter cake crushing equipment, and the gantry-type sinter cake crushing equipment includes a positioning machine 51, a door frame 52, a hydraulic system 53, an unloader 54 and a crushing device 55;

[0048] The door frame 52 includes a moving door frame 56 and a static door frame 58. The static door frame 58 is connected with the moving door frame 56 through a lifting cylinder 61. The inside of the moving door frame 56 both sides is provided with grooved trolley tracks 59, and the static door frame 58 is connected with the moving door frame 56. The interior of both sides of the frame 58 is provided with a grooved positioning track 60, and the grooved positioning track 60 is provided with a positioning machine 51;

[0049] Described positioning machine 51 comprises drag cable 62, guide wheel 64, support beam 65, positioning oil cylinder 66, pull bar 67, p...

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Abstract

The invention relates to a crushing and cooling technology for a hot ore cake through a planar circulating stepping type sintering machine, and belongs to the technical field of sintering production equipment in metallurgical industry. According to the technical scheme, three sealing devices of a machine head sealing plate, a middle sealing plate and a machine tail sealing plate are arranged on anair bellow table top of the planar circulating stepping type sintering machine; a sintering section is arranged between the machine head sealing plate and the middle sealing plate; a cooling sectionis arranged between the middle sealing plate and the machine tail sealing plate; the sintering section and the cooling section are arranged in a coaxial horizontal serial arrangement mode; and the hotore cake sintered through the sintering section is sheared and crushed into blocks through a sintered ore cake crushing system and then sent into the cooling section to be cooled. The crushing and cooling technology has the beneficial effects that the air draft negative pressure of a draft fan at the cooling section is reduced, thus the running power of the draft fan at the cooling section is reduced, running electricity consumption of the cooling process is reduced by about 60%, and energy consumption is greatly reduced.

Description

technical field [0001] The invention relates to a hot ore cake crushing and cooling process of a planar circulation step-by-step sintering machine, which belongs to the technical field of sintering production equipment in the metallurgical industry. Background technique [0002] The planar circulation stepping sintering machine is the main equipment for the sinter production of iron and steel enterprises. There are three sealing devices on the bellows table of the planar circulation stepping sintering machine: the head sealing plate, the middle sealing plate and the machine tail sealing plate. The sintering section is between the head sealing plate and the middle sealing plate, and the cooling section is between the middle sealing plate and the tail sealing plate. The sintering section and the cooling section are arranged in series on the same axis, and the sintering waste gas in the sintering section is treated with environmental protection. Finally, it is discharged by the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B21/08F27D15/02B02C18/28
CPCB02C18/28F27B21/00F27D15/02
Inventor 杨军
Owner 杨军
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