Multi-stage flow-equalizing anti-abrasion device for inlet of waste heat boiler

By installing a multi-stage flow equalization and anti-wear device at the inlet of the waste heat boiler, and utilizing the combination structure of guide vanes and flow equalization plates, the wear problem caused by uneven flue gas distribution is solved, extending the service life of the waste heat boiler and improving the durability of the equipment.

CN223460435UActive Publication Date: 2025-10-21AONENG BOILER (LAIAN) CO LTD
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Patent Information

Application Number
CN202422609386.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-10-21
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

In waste heat boilers, the flue gas is scattered when high-temperature exhaust gas enters, resulting in uneven flue gas velocity, causing local erosion and wear of the waste heat boiler, and reducing its service life.

Method used

A multi-stage flow equalization and anti-wear device is adopted, including a flow equalization frame and a flow guide frame. Multiple flow guide blades and multiple layers of flow equalization plates are used to make the flue gas evenly distributed through the drive mechanism, ensuring that the flue gas is evenly guided at the flue inlet.

Benefits of technology

This achieves uniform distribution of flue gas within the waste heat boiler, reduces localized scouring and wear, extends the service life of the waste heat boiler, and lowers the risk of wear and blockage of the flow distribution plate.

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Abstract

The utility model discloses a multi-stage flow-equalizing anti-abrasion device for an inlet of a waste heat boiler, belongs to the technical field of flue gas conveying, and aims to solve the technical problems that in the prior art, when high-temperature waste gas enters the waste heat boiler, flue gas is distributed in a scattered mode, and the waste heat boiler is locally scoured and abraded due to the fact that the flow speed of the flue gas is not uniform. The multi-stage flow-equalizing anti-abrasion device for the waste heat boiler inlet comprises a flow-equalizing frame body, and a plurality of layers of flow-equalizing plates are assembled in the flow-equalizing frame body. According to the multistage flow equalizing anti-abrasion device for the waste heat boiler inlet, the structural mode that the multiple guide vanes swing in a reciprocating mode in combination with the multiple layers of flow equalizing plates is adopted, multi-stage uniform guiding and conveying of smoke are achieved, it is guaranteed that the smoke entering the waste heat boiler is evenly distributed at the flue inlet, the problems of local scouring and abrasion caused by the fact that the flow speed of the smoke is uneven are solved, and the service life of the waste heat boiler is prolonged. The service life of the waste heat boiler is prolonged, abrasion of smoke to the flow equalizing plate is reduced, meanwhile, local blockage of the flow equalizing plate is avoided, and the waste heat boiler is more durable.
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