Title:
WELL WASHING DEVICE AND WASHING METHOD USING DRY ICE
Document Type and Number:
Japanese Patent JP2022092114
Kind Code:
A
Abstract:
To provide a device for removing impurities adhering to an inner peripheral surface of a deep well.SOLUTION: A well washing device has a rotary body 3 that is inserted into a deep well 1 and jets compressed air and granular dry ice. On the ground, an air compressor 5 and a dry ice storage container 6 are disposed. A main hose 2 extending from the air compressor 5 is connected to the rotary body 3, an auxiliary hose extending from the dry ice storage container 6 is connected to the main hose 2, and granular dry ice 12 is jetted from a jet port 8 of the rotary body 3 together with compressed air 13.SELECTED DRAWING: Figure 1
More Like This:
| WO/2016/168988 | PIPELINE HAIR CLEANER |
| WO/2022/010098 | SAXOPHONE CLEANING DEVICE |
Inventors:
SUZUKI KAZUO
SUZUKI TAMIE
SUZUKI TAMIE
Application Number:
JP2020204698A
Publication Date:
June 22, 2022
Filing Date:
December 10, 2020
Export Citation:
Assignee:
VEEMA CO LTD
International Classes:
B08B9/043; B08B7/00; E21B31/03; E21B37/00
Attorney, Agent or Firm:
Hirasaki Hikoharu