Edward M Hunt

US Patent:

7402290, Jul 22, 2008

Filed:

Jul 2, 2003

Appl. No.:

10/520069

Inventors:

Douglas S. Hubbell - Sudbury MA, US
Dino Pizzelli - Hingham MA, US
Edward P. Hunt - North Attleboro MA, US
Glenn D. Nasman - Westwood MA, US

Assignee:

Stone & Webster Process Technology Inc. - Houston TX

International Classification:

B01J 3/00
F02M 15/02

US Classification:

422242, 422226, 422293, 261133, 261 181, 261 56, 261 57

Abstract:

Methods and apparatus are disclosed for mixing fluid streams of different compositions to minimize fluid condensation inside a mixing vessel where the objective is to produce an all-vapor mixture product.

US Patent:

45632677, Jan 7, 1986

Filed:

Jul 30, 1984

Appl. No.:

6/635550

Inventors:

James J. Graham - Wayland MA
Darrell D. Kinzler - Framingham MA
Edward P. Hunt - North Attleboro MA

Assignee:

The Badger Company, Inc. - Cambridge MA

International Classification:

C10G 3522
C10G 1110
F22B 1500

US Classification:

208159

Abstract:

The invention provides an improved method and apparatus for operating a fluidized bed chemical processing unit of the type having steam generating coils, so as to reduce the occurrence of thermally-induced stresses in the coils and thereby extend the useful life of the coils. The invention involves causing the tube wall temperature of a coil being brought into service to be lowered from bed temperature prior to initiating water flow in the coil, so as to decrease the thermal shock temperature gradient and thereby reduce the magnitude of thermally-induced stress in the coil. The invention utilizes a base coil in addition to the steam generating coil that is being cycled, and a pair of steam drums which operate at a pressure differential. The method involves generating saturated steam in the base coil and superheating the saturated steam in the coil being brought on line. Steam is directed from one drum to the other in a predetermined manner so as to provide proper temperature control of the coil being cycled.

Address:

1221 Mt Alto Rd SW, Rome, GA 30165

Phone:

7062328657

VIN:

JTEDS42A382033028

Make:

TOYOTA

Model:

HIGHLANDER

Year:

2008

Address:

1221 Mt Alto Rd SW, Rome, GA 30165

Phone:

7062328657

VIN:

5TDZT38A67S297232

Make:

TOYOTA

Model:

SEQUOIA

Year:

2007