Stable continuous discharging device of high temperature bulk material heat exchanger

Abstract

The invention provides a stable continuous discharging device of a high temperature bulk material heat exchanger, and belongs to the field of optimal design of heat exchangers. A method comprises thesteps that a group of fusiform spoiler plates is arranged at the upper part of a discharging section, so that synchronous low-amplitude disturbance is generated; for bulk materials with extremely lowfluidity, the spoiler plates can be further arranged at the central area of multilayer pipe racks of a heat exchange section at intervals; the spoiler plates are driven by gears engaged with each other and arranged at the exterior of heat exchange equipment; improved starlike discharging devices are arranged at the discharging section, the radial included angle between blades and a drum is set tobe 10-15 DEG, and the axial included angle between the blades and the drum is set to be 8-12 DEG; and side plates at the lower part of a discharging port of the heat exchange equipment are connected flexibly, and connected to the right and left side wall surfaces through compression springs. The device is simple, and flexible in operation, and is applicable for the heat exchange conditions of hightemperature bulk materials which are low in fluidity and easily result in blockage of an outlet; and the problems that the bulk materials are liable to accumulate at the discharging port and result in blockage of the discharging port, and consequently are hard to discharge stably and continuously are solved.

Description

technical field [0001] The invention belongs to the field of optimized design of heat exchangers, in particular to a device for stable and continuous discharge of high-temperature bulk material heat exchangers. Background technique [0002] There will be a large number of high-temperature products, by-products and waste residues in industrial production, and most of them exist in the form of solid particles, which contain huge waste heat resources that can be utilized. These high-temperature bulk particles are in the μm-mm range. For high-temperature bulk materials with large particle size or wide sieving particle size, in order to effectively recover waste heat, the bulk material stays in the heat exchanger for a long time, and the discharge rate is generally controlled by setting a neck or a discharge valve in the discharge section. . However, the fluidity of most industrial bulk materials is very poor, and it is easy to cause arching and blockage at the constriction of ...

AI Technical Summary

Problems solved by technology

At present, the existing technology uses more vibrating rods or screw propellers at the outlet, but it is not suitable for high-temperature bulk materials with poor fluidity, easy arching and clogging.

Images