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Fully-closed type sintered hot ore cooling and waste heat recovery device

A waste heat recovery device, a fully enclosed technology, applied in furnace cooling, waste heat treatment, lighting and heating equipment, etc., can solve the problems of long heat loss of flue and air ducts, large floor space, and scattered system equipment.

Pending Publication Date: 2018-05-04
SINOMA ENERGY CONSERVATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the system equipment is scattered, the floor area is large, and the flue gas duct is long, so the heat loss is large

Method used

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  • Fully-closed type sintered hot ore cooling and waste heat recovery device

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] see figure 1 As shown, a fully enclosed sintering hot ore cooling and waste heat recovery device includes a shell 1, and a vertically arranged pre-storage section 2 is formed on the upper side of the shell for receiving continuously or intermittently loaded sintering heat ore; the lower part of the housing forms a horizontal cooling section 3, the upper side of the cooling section 3 communicates with the bottom of the pre-storage section, and the inside of the cooling section 3 is provided with an ore material conveyor 5, which passes through the bottom of the cooling section After the introduced cooling air passes through the air cavity 4 at the lower part of the cooling sect...

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Abstract

The invention discloses a hot ore cooling and waste heat recovery system which comprises a sintered hot ore cooling machine; a vertical material prestorage section of the sintered hot ore cooling machine is provided with a sintered hot ore distribution and air locking device; the sintered hot ore cooling machine is internally provided with a horizontal cooling section which is communicated with the material prestorage section; the cooling section is provided with a cooling machine trolley; the bottom of the cooling section is provided with a segmented air supply system which supplies air by anair blower; a waste heat boiler which is used for utilizing waste heat generated in the process of cooling the sintered hot ores to perform power generation is integrated to the upper end of the cooling section; the waste heat boiler and the sintered hot ore cooling machine are connected with a dust remover through low-temperature smoke pipelines; a smoke outlet of the dust remover is connected with an inlet of an induced draft fan; an outlet of the induced draft fan is connected with a smoke reuse pipeline; and the smoke reuse pipeline is connected with the segmented air supply system. The hot ore cooling and waste heat recovery system provided by the invention fundamentally solves the problem of air leakage of the existing equipment system.

Description

technical field [0001] The invention relates to the technical field of waste heat recovery of sintered hot ore cooling, in particular to a fully enclosed sintered hot ore cooling and waste heat recovery device. Background technique [0002] In iron and steel enterprises, the energy consumption of the sintering process is second only to ironmaking, accounting for 10% to 20% of the total energy consumption, and about 30% of the energy is discharged into the atmosphere in the form of hot flue gas through the sintering cooler. be used reasonably. [0003] When the sintering machine is in normal production, the sintered hot ore falls from the tail of the sintering machine, is crushed by a single roll crusher, screened by a hot vibrating screen, and then falls onto the cooling machine trolley through a chute. The sintering process requires a temperature as high as 1200°C. The temperature of the hot sinter at the chute can reach about 800°C, and the heat is mainly radiated outward...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D9/00F27D17/00
CPCF27D9/00F27D17/004F27D2009/0075Y02P10/25
Inventor 胡希栓袁静肖阳杨磊赵娴赵赫
Owner SINOMA ENERGY CONSERVATION
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