FIELD: engines and pumps.
SUBSTANCE: proposed extractor aims at preventing prevalence of air pollutants. Extractor comprises local suction gun furnished with guide grid and communicated with contaminated air chamber with its bottom accommodating dust collection tank. Louver-type grid and cellular fabric filter with pulsed blowdown are arranged above aforesaid tank. Sorbent and lean air chamber are arranged above the filter. Outlet of clean air chamber accommodates draught generator consisting of scroll casing with collector outlet accommodating two disks. Note here that first, if seen from scroll casing, features orifice with diametre equal to that of collector outlet. Solid second disk is fitted on motor shaft fitted outside aforesaid casing. 24 to 48 blades are arranged between aforesaid disks, bent either forward or backward relative to motor shaft rotational direction. Note also that sorbent is depending upon components of polluted air.
EFFECT: controlled output and air pressure at low airflow rates.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| UNIVERSAL DUST AND GAS COLLECTOR | 1997 |
|
RU2110318C1 |
| MOBILE SET FOR ENTRAPPING AND CLEANING OF AIR FROM WELDING AEROSOLS | 2002 |
|
RU2212593C1 |
| MULTIFUNCTIONAL DUST AND GAS CATCHER | 2005 |
|
RU2299088C1 |
| DEVICE FOR ASPIRATION OF CONTAINERS AT LOADING OF LOOSE MATERIALS | 2001 |
|
RU2205779C1 |
| DUST REMOVING APPARATUS FOR RETRACTABLE CONVEYOR | 2006 |
|
RU2309255C1 |
| APPARATUS TO TRAP AND WITHDRAW GASSES OF CONVERTER | 1993 |
|
RU2044086C1 |
| EXHAUST HOOD | 1995 |
|
RU2096692C1 |
| VACUUM CLEANER AND METHOD OF ITS OPERATION | 1991 |
|
RU2034513C1 |
| HOSE FILTER | 1992 |
|
RU2030198C1 |
| FILTERING AND VENTILATION APPARATUS FOR WELDING PROCESS | 0 |
|
SU1666161A1 |
