Coolant reclamation unit
US4751006A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1987 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | Jul 16, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D21/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A unit for cleaning and reclaiming contaminated coolant, including a unitary tank structure having a first storage compartment for contaminated coolant and a second storage compartment for clean coolant. A drag-type conveyor extends along the bottom of the first compartment for removing coarse contaminants in the form of a sludge. A pump supplies partially cleaned coolant from the first compartment to a filter unit disposed above the second compartment. The filter unit employs a movable conveyor belt having a filter paper extending over the belt for movement therewith. The coolant from the first tank is discharged onto the filter paper so that contaminants collect thereon and move with the filter paper for external discharge. The cleaned coolant flows downwardly through the filter paper and collect in the second compartment. A further pump permits the cleaned coolant in the second compartment to be withdrawn and resupplied to the filter unit so that the coolant in the second compartment can be recycled back through the filter paper to improve the filtering efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.