Operating manual for the electrostatic glove-box prefilter installed inside the filter glove box No. 046 at Rocky Flats, Building 776

Technical Report · Fri May 11 04:00:00 EDT 1979

DOI:https://doi.org/10.2172/5677691· OSTI ID:5677691

Bergman, W; Kaifer, R C; Hebard, H D; Taylor, R D; Buttedahl, O I; Woodard, R W; Terada, K

Objective of the evaluation is to evaluate the effectiveness of the electrostatic prefilter in prolonging the life of HEPA (high-efficiency particulate-air) filters. The theory of the electrostatic filter is reviewed, and Glove Box Number 046 is described in detail, followed by a description of the electrostatic prefilter used in the present application. Engineering drawings of the electrostatic prefilter are included. The procedure for evaluating the electrostatic prefilter includes the steps for conducting five different tests: evaluating (1) the HEPA filter alone, (2 and 3) the HEPA filter with a standard prefilter treated both as disposable and reusable, and (4 and 5) the HEPA filter with the electrostatic prefilter, again treated as disposable and reusable. Procedures for flowmeter calibrations and measurements of particle-size distributions are also included. Long-term maintenence of the system during the evaluation program is outlined, and estimates of component durability are given. An electrical engineering safety note describes the high-voltage operational hazard of the electrostatic prefilter and the testing of safety devices (the current-overload trip circuit, the filter-door-interlock system, and the current-limiting resistor).

• Research Organization: California Univ., Livermore (USA). Lawrence Livermore Lab.; Atomics International Div., Golden, CO (USA). Rocky Flats Plant
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 5677691
• Report Number(s): UCID-18180
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420203* -- Engineering-- Handling Equipment & Procedures
AIR FILTERS
CALIBRATION
ELECTROSTATIC PRECIPITATORS
EQUIPMENT
EVALUATION
FILTERS
FLOWMETERS
GLOVEBOXES
LABORATORY EQUIPMENT
MAINTENANCE
MEASURING INSTRUMENTS
PARTICLE SIZE
PERFORMANCE TESTING
POLLUTION CONTROL EQUIPMENT
SAFETY
SIZE
TESTING