System for preparing fuel oil through organic solid waste heat carrier pyrolysis

By using direct contact heat exchange between the heat storage plate and the particulate heat carrier, the problem of low heat transfer efficiency during the pyrolysis of organic solid waste is solved, achieving efficient and complete pyrolysis and high-quality fuel oil recycling.

CN224333075UActive Publication Date: 2026-06-09JIANGMEN CHENGXIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521374083.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-01
Publication Date
2026-06-09
Estimated Expiration
2035-07-01

AI Technical Summary

Technical Problem

In existing organic solid waste pyrolysis processes, the heat transfer efficiency is low, resulting in incomplete pyrolysis or excessive energy consumption.

Method used

The system employs a dual direct contact heat exchange method using heat storage plates and granular heat carriers. Organic solid waste is pyrolyzed through a thin-layer gasification pyrolyzer. The system utilizes multi-layer heat storage plates and material feeding components to achieve uniform spreading and direct heating of organic solid waste. The pyrolysis products are then processed in conjunction with catalysis, condensation purification, and oil-water separation units.

Benefits of technology

It greatly improves the heat transfer efficiency and pyrolysis efficiency of the pyrolysis process, realizes the full pyrolysis of organic solid waste, shortens the reaction time, reduces equipment size, improves energy efficiency, and enables the recycling of high-quality pyrolysis oil.

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Abstract

The utility model relates to the technical field of organic solid waste resourceful treatment, in particular to a system for preparing fuel oil by pyrolyzing an organic solid waste heat carrier, which comprises a sealed feeding unit, a thin-layer gasification pyrolyzer, a particle heat carrier, a heat carrier lifting unit and a heating unit, the heating unit is used for heating the heat storage plate; the heat carrier lifting unit is used for conveying a plurality of particle heat carriers into a heat storage disc plate of the thin-layer gasification pyrolyzer, the heat storage disc plate is provided with a material falling channel, and after organic solid waste is subjected to double direct contact heating through the heat storage disc plate and the heat carriers to achieve thin-layer gasification pyrolysis, the organic solid waste is shifted into the material falling channel through a material shifting assembly to be output. According to the whole system, organic solid waste is pyrolyzed in a double direct contact heat exchange mode of the heat storage disc plate and the heat carrier, so that the heat transfer efficiency and the pyrolysis efficiency in the pyrolysis process are greatly improved, and the yield and the quality of pyrolysis oil are effectively improved.
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