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Waste heat recycling device and system filled with heat conduction materials and used for grate cooler

A technology of waste heat recovery equipment and heat conduction material, which is applied in the field of F27D waste heat utilization and F28D heat exchanger, can solve the problems affecting the quality of cement products, insufficient cooling of clinker, and high temperature of clinker, so as to reduce energy consumption and avoid explosion. pipe or damage, avoid the effect of burst pipe

Inactive Publication Date: 2015-12-02
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But the main problems existing in the existing grate cooler: insufficient clinker cooling degree, the clinker temperature at the clinker outlet is too high, higher than 200°C
The consequence is that the cement production process consumes more energy, and at the same time affects the quality of cement products.

Method used

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  • Waste heat recycling device and system filled with heat conduction materials and used for grate cooler
  • Waste heat recycling device and system filled with heat conduction materials and used for grate cooler
  • Waste heat recycling device and system filled with heat conduction materials and used for grate cooler

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Embodiment Construction

[0056] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0057] A grate cooler waste heat utilization system for cement production, including a grate cooler, figure 1 A grate cooler 4 for cement production is shown. The grate cooler 4 includes a kiln head cover 2, a grate cooler shell 3, a high-temperature air outlet 5, a low-temperature air outlet 6, a clinker outlet 7 and a fan 8, wherein the clinker is rotated from The kiln 1 enters the grate cooler 4, and then transports in the clinker channel 9 in the grate cooler 4, and the fan 8 sends air to the grate cooler 4, and the temperature of the clinker is reduced by the wind, so that The clinker is cooled in the middle, and the cooled clinker is output through the clinker outlet 7.

[0058] The clinker from the rotary kiln 1 is transported in the clinker channel 9 of the grate cooler, and is cooled by the wind delivered by the fan. An insulatin...

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Abstract

The invention provides a waste heat recycling device and system filled with heat conduction materials and used for a grate cooler. The waste heat recycling device comprises a barrel body in which a heat exchange pipe is arranged, the barrel body and the heat exchange pipe are coaxially arranged, and the space between the barrel body and the heat exchange pipe is filled with the heat conduction materials. The waste heat recycling device can fully absorb sensible heat released when clinker is cooled at a top speed in a cooling machine, energy consumption of the clinker is reduced, and the waste heat utilizing amount can also be effectively increased.

Description

technical field [0001] The invention relates to a grate cooler waste heat recovery equipment and system filled with heat-conducting materials, in particular to a grate cooler heat recovery system in cement production, and belongs to the fields of F27D waste heat utilization and F28D heat exchangers. Background technique [0002] Grate cooler (referred to as grate cooler) is a major equipment in the cement production process. Its basic functions include: (1) Provide appropriate clinker cooling speed to improve cement quality and clinker grindability; (2) Increase the temperature of secondary air and tertiary air as much as possible, as combustion air, and reduce the temperature of the firing system fuel consumption; (3) heating the waste hot air for waste heat power generation and coal mill drying; (4) crushing the clinker and cooling it to the lowest possible temperature to meet the needs of clinker transportation, storage and cement grinding Require. The grate plate and g...

Claims

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Application Information

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IPC IPC(8): F27D17/00F27D15/02F27D19/00F28D20/00
CPCY02E60/14Y02P10/25
Inventor 程林杜文静崔峥
Owner SHANDONG UNIV
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