Dynamic gas filter apparatus

Patent · Tue Jul 22 04:00:00 EDT 1986

OSTI ID:5394880

Fijiwara, K; Shinoda, T; Kitou, S; Kawabe, S

An apparatus is described for filtering dust from a gas, comprising: a housing having a gas inlet, a gas outlet, and a bottom; an inflow screen for receiving inflow gas from the gas inlet; an outflow screen through which the gas passes as it flows toward the gas outlet; a gas treatment region located within the housing; a quantity of granular filter medium traversing the gas treatment region for removing dust from the gas; filter medium discharge means installed at the bottom of the gas treatment region; cleaning means for cleaning the granular filter medium and for returning the cleaned filter medium to the gas treatment region; the inflow screen being operative to selectively cause a portion of the granular filter medium to overflow towards the gas inlet in a direction having a directional component antiparallel to the direction of gas inflow.

• Assignee: Kabushikigaisha Takuma, Osaka
• Patent Number(s): US 4601736
• OSTI ID: 5394880
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
424000 -- Engineering-- Pollution Control Equipment-- (1980-1989)
500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION CONTROL
CLEANING
CONTROL
DESIGN
DUSTS
FILTERS
FILTRATION
FLUID FLOW
GAS FLOW
GRANULAR MATERIALS
INCIDENCE ANGLE
INTAKE STRUCTURES
MATERIALS
MECHANICAL STRUCTURES
OPERATION
POLLUTION CONTROL
SEPARATION PROCESSES