堆積灰小山除去方法 - Chugoku Electric Power Co., Inc.

Title:

堆積灰小山除去方法

Document Type and Number:

Japanese Patent JP7275784

Kind Code:

B2

Abstract:

To provide a method and jig for easy removal of a dry hill part formed from a slurry supplied to a retarding basin.SOLUTION: The invention provides an accumulated ash small mountain removal method for removal of a dry hill part 101b which is a small mountain of an accumulated ash appearing from a water surface WS of stagnant water by accumulation of an accumulated ash of used coal, wherein a water flow of a prescribed pressure by a submerged pump 205 for pumping up of stagnant water is discharged toward an accumulated ash in a water area 202 of a dry hill part 101b from a discharge port 210a at a tip of a hollow hose 210 to crush and remove the dry hill part 101b of the accumulated ash using the water flow. In this occasion, in the water area 202 of the dry hill part 101b, a water flow WF is discharged toward the accumulated ash of a water surface border neighbor 202a at the border part of the water surface WS to crush the whole dry hill part 101b.SELECTED DRAWING: Figure 2

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Inventors:

Ryoji Ikeda
Shuji Hirokane
Hiroshi Kajita
Hiroyuki Kasai
Yoshinobu Shigekawa
Shinichiro Ishimori
Ai Toyoshima
Norio Sadaya

Application Number:

JP2019072399A

Publication Date:

May 18, 2023

Filing Date:

April 05, 2019

Export Citation:

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Assignee:

Chugoku Electric Power Co., Inc.

International Classes:

B09B1/00; B09B5/00; E02B3/18

Domestic Patent References:

JP2010248694A
JP2018090999A
JP2018025079A
JP2016131927A
JP2001254339A
JP49100826A
JP48098904U

Attorney, Agent or Firm:

Akinori Sakai

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