Curtain type sludge drying system

The curtain-type sludge drying system solves the problems of high energy consumption, low efficiency and secondary pollution of existing sludge drying technologies by increasing the sludge surface area and air flow, and utilizing solar energy and negative pressure purification, thus achieving efficient and environmentally friendly sludge drying.

CN116332460BActive Publication Date: 2025-10-03MCC ECO ENVIRONMENTAL PROTECTION GRP CO LTD
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Patent Information

Application Number
CN202310122807.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-16
Publication Date
2025-10-03
Estimated Expiration
2043-02-16

AI Technical Summary

Technical Problem

Existing sludge drying technology has high energy consumption, low efficiency, large floor space occupation and is prone to secondary pollution.

Method used

A curtain-type sludge drying system is used, which increases the sludge surface area and air flow through the curtain-type sludge circulation components and negative pressure shell design, uses solar energy to accelerate drying, and purifies steam through the exhaust device.

Benefits of technology

It improves the sludge drying efficiency, reduces the floor space, avoids secondary pollution, and realizes rapid sludge drying.

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Abstract

The present invention discloses a curtain-type sludge drying system, which relates to the field of sludge treatment technology and mainly includes a sludge inlet hopper, a curtain-type sludge circulation system, a dry sludge output device and a shell. The curtain-type sludge circulation system has several groups, each of which includes a vertical lifting device, a high-level sludge curtain generator and a low-level sludge collection device. The vertical lifting device is a bottom-in and top-out structure, with the lower end inlet connected to the sludge inlet hopper or the low-level sludge collection device of the previous group, and the upper end outlet located above the high-level sludge curtain generator. The high-level sludge curtain generator forms a sludge curtain by evenly spreading the sludge, and the low-level sludge collection device is located directly below the high-level sludge curtain generator. The dry sludge output device is connected to the low-level sludge collection device of the last group. The system has the advantages of low energy consumption, high efficiency, small footprint, and the ability to avoid secondary pollution.
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