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Dual Shaft Differential Crushing System

A crushing system, differential technology, applied in sludge treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve problems such as equipment failures

Active Publication Date: 2018-11-27
SUMITOMO HEAVY INDUSTRIES ENVIRONMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, there is a problem that the broken part of the disc-shaped cutter will cause failure of the downstream equipment such as the pump and the dehydrator.

Method used

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Embodiment Construction

[0026] Hereinafter, embodiments of the dual-shaft differential crushing system according to the present invention will be described in detail with reference to the drawings.

[0027] figure 1 It is a schematic top view of a dual-shaft differential crushing system 1 according to an embodiment of the present invention, figure 2 It is a schematic front view of the dual-shaft differential crushing system 1 .

[0028] [Twin Shaft Differential Crushing System]

[0029] The dual-shaft differential crushing system 1 of the present invention is used in a sewage treatment plant to crush impurities such as residues contained in treated water such as waste water or sewage. Wastewater or sewage as water to be treated contains metals such as aluminum cans, plastics, underwear, rags, absorbent cotton and other fibrous inclusions, and these inclusions are entangled in pumps, dehydrators, etc. during the sewage treatment process. It is the cause of failure in equipment such as mixers. Thu...

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Abstract

The present invention provides a dual-shaft differential crushing system. The subject of the present invention is that, in a dual-shaft rotary crusher used in a sewage treatment plant, the disc-shaped cutter will be broken, and the broken part of the disc-shaped cutter It will cause failure of downstream equipment such as pumps or dehydrators. As a result of in-depth research on the above-mentioned issues, it was found that by installing the foreign matter catcher for catching the broken part of the disc-shaped cutter at the rear stage or the front stage of the dual-shaft differential crusher, it is possible to suppress the failure of the rear stage equipment, Or prevent the disc cutter from breaking foreign matter and causing collapse.

Description

[0001] This application claims priority based on Japanese Patent Application No. 2014-116689 filed on June 5, 2014. The entire contents of this Japanese application are incorporated herein by reference. technical field [0002] The invention relates to a dual-shaft differential crushing system for crushing inclusions in water. Background technique [0003] In sewage treatment plants, etc., if impurities such as residues are introduced into equipment such as pumps and dehydrators, they will cause failures such as clogging of the pumps. Therefore, a dual-shaft differential crusher is provided in the front section of these devices. The twin-shaft differential crusher crushes impurities such as residues contained in the water to be treated to a size that does not cause failure even if it is introduced into the equipment. In addition, when cleaning the residue collected through the filter, etc., a dual-shaft differential crusher is also used in order to improve the cleaning eff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C18/10B02C18/16B02C18/18C02F1/00
CPCB02C18/0092B02C18/06B02C18/182C02F1/00C02F11/00
Inventor 牧和久山崎秀人
Owner SUMITOMO HEAVY INDUSTRIES ENVIRONMENT CO LTD