Fluid catalytic cracking catalyst injection system and method for communicating with same
First Claim
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1. Apparatus for metering catalyst to a fluid catalytic cracking catalyst unit, comprising:
- an enclosure suitable for hazardous locations;
a low pressure storage vessel;
a pressure vessel having an outlet adapted to be coupled to a fluid catalytic cracking unit and an inlet coupled to the low pressure storage vessel;
at least one sensor adapted to provide a metric indicative of catalysts transferred from the low pressure storage vessel to the pressure vessel; and
a controller disposed in the enclosure for controlling catalyst transferred from the pressure vessel to the catalyst cracking unit, the controller configured for communicating information regarding activity of the apparatus to a device remote from the enclosure while the enclosure is sealed.
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Abstract
A method and apparatus for metering catalyst to a fluid catalytic cracking catalyst unit are provided. In one embodiment, an apparatus for metering catalyst to a fluid catalytic cracking catalyst unit includes a low pressure storage vessel coupled to a pressure vessel by a metering device. A controller is provided to control catalyst transfers between the storage and pressure vessels. The control is configured to facilitate event and catalyst inventory information with local and remote devices.
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Citations
22 Claims
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1. Apparatus for metering catalyst to a fluid catalytic cracking catalyst unit, comprising:
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an enclosure suitable for hazardous locations;
a low pressure storage vessel;
a pressure vessel having an outlet adapted to be coupled to a fluid catalytic cracking unit and an inlet coupled to the low pressure storage vessel;
at least one sensor adapted to provide a metric indicative of catalysts transferred from the low pressure storage vessel to the pressure vessel; and
a controller disposed in the enclosure for controlling catalyst transferred from the pressure vessel to the catalyst cracking unit, the controller configured for communicating information regarding activity of the apparatus to a device remote from the enclosure while the enclosure is sealed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. Apparatus for metering catalyst to a fluid catalytic cracking catalyst unit, comprising:
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a low pressure storage vessel;
a pressure vessel rigidly coupled to a supporting surface having an outlet adapted to be coupled to a fluid catalytic cracking unit and an inlet;
a pressure control device coupled to the pressure vessel and configured to selectively pressurize the pressure vessel relative to the low pressure storage vessel;
a metering device coupling the storage vessel to the inlet of the pressure vessel;
an enclosure suitable for hazardous service;
a controller disposed in the enclosure for controlling injections made from the low pressure storage vessel; and
a communication port coupled to the controller for communicating information regarding activity of the apparatus to a device remote from the enclosure while the enclosure is sealed. - View Dependent Claims (15, 16, 17)
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18. Apparatus for metering catalyst to a fluid catalytic cracking catalyst unit, comprising:
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a storage vessel;
a metering device coupled to the storage vessel and having an output adapted for coupling to the fluid catalyst cracking unit;
at least one sensor for providing a metric indicative of the amount of catalyst dispensed through the metering device;
an enclosure suitable for hazardous service;
a controller disposed in the enclosure and having a memory device for storing catalyst injection information derived from the metric provided by the sensor; and
a communication port coupled to the controller for communicating information stored in the memory device to a remote device while the enclosure is sealed. - View Dependent Claims (19, 20, 21, 22)
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Specification