A treatment device for the resource-based disposal of municipal sewage sludge

The sludge carbonizer, which uses a magnetic device and an inclined spring plate, achieves efficient crushing and carbonization of sludge blocks, solves the problem of slow carbonization speed, improves carbonization efficiency, and realizes the recovery of waste heat from flue gas and centralized treatment of harmful gases.

CN121405331BActive Publication Date: 2026-06-30CECEP CONSTR ENG DESIGN INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CECEP CONSTR ENG DESIGN INST CO LTD
Filing Date
2025-09-15
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In existing technologies, the carbonization rate and degree of carbonization at the center of the sludge block are relatively slow during sludge carbonization, and the process fails to effectively break down the sludge.

Method used

Design a municipal sludge resource utilization treatment device, which uses a magnetic device and inclined spring plates to realize the vertical and tangential movement of the sludge carbonizer. Combined with a double spiral channel and vibration crushing, the sludge blocks are heated by the flue gas of the combustion furnace to realize the conveying and crushing of the sludge blocks.

Benefits of technology

It improves the carbonization degree and efficiency of mud blocks, realizes the recovery of waste heat from flue gas and centralized treatment of harmful gases, and reduces the risk of harmful gas leakage.

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Abstract

This invention belongs to the field of municipal sludge resource utilization and disposal technology, specifically relating to a treatment device for municipal sludge resource utilization and disposal, including a sludge carbonizer, a mounting base, and a combustion furnace. The sludge carbonizer includes an inner cylinder and an outer cylinder; the bottom of the inner cylinder is provided with a conical base support; the outer cylinder is coaxially sleeved on the inner cylinder, with a double helical channel between them; the bottoms of the two helical channels are respectively connected to the flue gas outlet of the combustion furnace and the inner bottom of the inner cylinder; the mounting base is located below the sludge carbonizer, and the mounting base is connected to an annular seat fixed to the outside of the outer cylinder through multiple magnetic devices and multiple inclined spring plates. This solution can transport, vibrate, and carbonize sludge blocks; in addition, separating the flue gas from the gas generated by sludge carbonization not only facilitates the recovery of waste heat from the flue gas, but also facilitates the centralized treatment of harmful gases generated by sludge carbonization.
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