Full-automatic backwashing device for coal gasification black water heat removal device

By installing a fully automatic backwashing device on the coal gasification black water heat extraction unit, and using electric valves and PLC control to achieve backwashing, the problem of black water clogging and scaling is solved, ensuring stable equipment operation and cleaning efficiency.

CN224435176UActive Publication Date: 2026-06-30SHANDONG GUOCHEN NEW ENERGY ENGINEERING CO LTD
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Patent Information

Application Number
CN202521371951.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-01
Publication Date
2026-06-30
Estimated Expiration
2035-07-01

AI Technical Summary

Technical Problem

Coal gasification black water is prone to causing sludge and scale buildup in the heat extraction device, and cleaning and maintenance consume manpower and resources and affect normal use.

Method used

The design incorporates a fully automatic backwashing device. By installing an electric valve and a PLC control cabinet on the coal gasification black water heat extraction device, backwashing is achieved through reverse operation to remove accumulated ash and scale, and reduce clogging.

Benefits of technology

This ensures stable equipment operation, reduces cleaning costs and time, guarantees normal customer use, and extends equipment lifespan.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a full-automatic backwashing device for a coal gasification black water heat removal device, and relates to the technical field of coal gasification black water heat removal. The full-automatic backwashing device comprises a black water inlet, the black water inlet is communicated with a water inlet main pipe, and the left end and the right end of the water inlet main pipe are communicated with a left tee joint and a right tee joint respectively; one end of the left tee joint is communicated with a water inlet of the coal gasification black water heating device, the other end of the left tee joint is communicated with a water outlet main pipe, and the water outlet main pipe is communicated with a black water return port; one end of the right tee joint is communicated with a water outlet of the coal gasification black water heating device, and the other end of the right tee joint is communicated with the water outlet main pipe. According to the coal gasification black water heat removal device, reverse running backwashing can be achieved, scaling and blocking of black water in the heat removal device are reduced, stable running of the device is guaranteed, the cleaning cost is low, more trouble, labor and time are saved, the cleaning and maintenance period is shorter, and normal use of customers is guaranteed.
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