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Delayed coker isolation valve systems

A technology of isolation system and isolation valve, which is used in coking carbonaceous materials, coke ovens, valve devices, etc., can solve problems such as inoperability, and achieve the effect of preventing accumulation and reliable use.

Active Publication Date: 2008-11-19
CURTISS WRIGHT FLOW CONTROL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, debris and other substances can build up on the internal components of the valves, which can then render these valves inoperable

Method used

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  • Delayed coker isolation valve systems
  • Delayed coker isolation valve systems
  • Delayed coker isolation valve systems

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Embodiment Construction

[0024] It will be readily appreciated that the components of the invention, as generally illustrated and shown in the figures herein, may be arranged and designed in a wide variety of different configurations. Accordingly, the following more detailed description of embodiments of the system, apparatus, and method of the present invention, as represented in Figures 1 to 8, is not intended to limit the scope of the invention as claimed, but only representative of some examples.

[0025] Embodiments of the present invention may be better understood with reference to the drawings, wherein like parts are designated like numerals throughout. While reference is made to the drawings and corresponding discussion below, the following detailed description is divided into several sections. The first part pertains to and presents an overview of the delayed coking process. The second section pertains to and sets forth isolation valve systems including various valves or valve formats that ...

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Abstract

The present invention provides more efficient, cost effective coke drum isolation valve devices and system as well as more efficient, cost effective methods for isolating the flow of matter from location to another in the delayed coker unit operation where the valve comprises a first seat; a second seat aligned with said first seat; a blind; a main body having an orifice dimensioned to align with an orifice in said line; wherein said main body is coupled to said line; an upper and lower bonnet coupled to said main body, wherein said bonnets may be removed in order to replace valve parts without separating the main body from the line; and a plate located inside a bonnet, wherein the plate comprises a planar surface that contacts a surface of the blind.

Description

technical field [0001] The present invention relates to delayed coker unit operations. In particular, the present invention relates to an isolation valve for use in delayed coker unit operation. Background technique [0002] Petroleum refining operations, in which crude oil is processed, often produce residual oils that have little value. When processed in a delayed coker unit ("DCU"), the value of residual oil can be augmented. When processed in a delayed coker, the resid is heated in a furnace to a temperature sufficient to cause a destructive distillation in which a valuable portion of the resid is converted, or "cracked," into useful Hydrocarbon products, and the remainder form petroleum coke, a material consisting primarily of carbon. Large vessels, later referred to as "coke drums", are placed at the outlet of the furnace to allow sufficient residence time for the hydrocarbons to undergo a complete destructive carbonization reaction. [0003] Coke production is a b...

Claims

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Application Information

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IPC IPC(8): F16K25/00
CPCC10B25/10C10B27/06F16K3/0272C10B55/00F16K27/044F16K3/0263
Inventor 鲁宾·F·拉赫加里·拉森
Owner CURTISS WRIGHT FLOW CONTROL CORP
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