Biomass pellet on-line metering device and working method thereof

By designing an online metering device for biomass pellets, the device utilizes a rotating feed pan and weighing system to achieve accurate online metering of biomass pellets. This solves the metering bottleneck in biomass co-firing power generation in large coal-fired units, ensuring metering accuracy and flexibility, and supporting boiler operation adjustments and economic benefit calculations.

CN117740127BActive Publication Date: 2026-06-09SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
Filing Date
2023-11-14
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In the process of biomass co-firing power generation in large coal-fired units, the problem of accurate online weighing and metering of biomass is a bottleneck for the promotion of biomass power generation technology, affecting the accuracy of preferential policies, carbon emission metering, and economic benefit accounting.

Method used

Design an online metering device for biomass pellets, including a rotating feed plate and a weighing system. The rotating feed plate distributes the biomass pellets into the container, and online weighing is achieved using sampling ports and discharge ports. Combined with baffle gate control, the accuracy and flexibility of the metering are ensured.

Benefits of technology

It enables accurate online metering of biomass feed, solves the metering problem in biomass co-firing power generation, ensures the accuracy and flexibility of the metering device, and supports boiler operation adjustment and economic benefit accounting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to large power plant biomass blending combustion power generation technical field, provide a kind of biomass granular material online metering device and its working method, including: upper feeding channel, funnel-shaped feed bin, funnel-shaped lower feeding channel, funnel-shaped sampling channel, cylindrical box-shaped cavity and the rotating material shifting disc being arranged in cylindrical box-shaped cavity;The rotating material shifting disc divides the cylindrical box-shaped cavity into several cavities;The top surface of the cylindrical box-shaped cavity is provided with feed inlet, the upper feeding channel is arranged directly above the feed inlet, and the feed bin is arranged directly above the upper feeding channel;The bottom surface of the cylindrical box-shaped cavity is provided with sampling port and feeding port, the lower feeding channel is arranged directly below the feeding port, the sampling channel is arranged directly below the sampling port, and a baffle door is arranged between the sampling port and the sampling channel.It can realize the online accurate metering of biomass feeding.
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