Gas-solid separation and heat recovery integration device

Abstract

The invention relates to a gas-solid separation and heat recovery integration device, comprising a barrel, wherein a heat exchange medium channel is formed by a partition plate between the inner wall and the outer wall of the barrel; a gas-solid feeding hole and a heat exchange medium outlet are formed in the upper part of the barrel; a solid material outlet and a heat exchange medium inlet are formed in the lower part of the barrel; a center pipe is arranged in the middle of the barrel along the axis direction; a gas material outlet is formed in the upper end of the center pipe; the barrel is composed of an upper straight section and a lower conical section; the gas-solid feeding hole is formed along the tangential direction of the barrel wall; a conical gas collecting opening is formed in the lower part of the center pipe; the partition plate is arranged in a spiral shape along the axis direction of the barrel; and the partition plate is fixedly connected with the inner wall or the outer wall of the barrel. Compared with the prior art, the gas-solid separation and heat recovery integration device has the beneficial effects that gas-solid separation and heat recovery processes are finished once on the same device; a relatively high heat recovery rate is achieved while a good dust removal effect is obtained; and the device is simple in structure, small in floor area, low in investment and good in economical efficiency.

Description

technical field [0001] The invention relates to the technical field of high-temperature gas-solid material separation and waste heat recovery in the industrial field, in particular to an integrated device for gas-solid separation and heat energy recovery. Background technique [0002] At present, waste heat recovery from high-temperature flue gas is an effective energy-saving measure in steel, coking, chemical and power generation enterprises. However, in the process of high-temperature flue gas treatment, dust removal and purification and waste heat recovery usually use two independent systems, the device has a single function, occupies a large area, and the cost of the device is relatively large. In order to reduce investment, many enterprises only set up dust removal and purification devices, so that a large amount of heat energy has not been effectively recycled, resulting in poor overall economic efficiency of the system and serious heat loss. Contents of the inventio...

AI Technical Summary

Problems solved by technology

However, in the process of high-temperature flue gas treatment, two independent systems are usually used for dust removal and purification and waste heat recovery. The device has a single function, occupies a large area, and the device cost is relatively large

In order to reduce investment, many enterprises only set up dust removal and purification devices, so that a large amount of heat energy has not been effectively recycled, resulting in poor overall economic efficiency of the system and serious heat loss.

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