High temperature particulate filter media test unit

Details High temperature particulate filter media test unit High temperature particulate filter media test unit

1984-11-20

1987-08-18

Myracle, Jerry W.

Measuring and testing

With fluid pressure

Porosity or permeability

7386312, 7386323, G01N 124

Patent

active

046868488

ABSTRACT:
A portable test device for evaluating the effectiveness of different filtering media, preferably metallic filtering media, in removing particulates from the gas stream of an exhaust stack at temperatures between about 300.degree. F. and about 1500.degree. F., including a probe member insertable directly into the gas stream of the exhaust stack and a particulate filtering facility in which the metallic filtering media to be tested are positioned. Facilities are provided for the isokinetic sampling and passing of the sample stream withdrawn by the probe member from the probe member to and through the particulate filtering facility while maintaining the temperature thereof substantially at the temperature it had within the exhaust stack. Facilities are also provided which permit the metallic filtering media to be readily replaced by different metallic filtering media to permit comparisons of filtering effectiveness. Also included are downstream particulate removal means which remove all particulates not earlier filtered by the metallic filtering media, to permit the total particulate content of the gas stream to be analyzed.

REFERENCES:
patent: 3517557 (1970-06-01), Granger et al.
patent: 3784902 (1974-01-01), Huber
patent: 3841145 (1974-10-01), Boubel
patent: 3881359 (1975-05-01), Culbertson
patent: 3903745 (1975-09-01), Bolser
patent: 3965748 (1976-06-01), Boubel et al.
patent: 3986386 (1976-10-01), Beltzer et al.
patent: 4154088 (1979-05-01), Werner
patent: 4342234 (1982-08-01), Bernath

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