An energy-saving utilization system of delayed coking unit

A delayed coking and venting tower technology, applied in the field of energy utilization, can solve the problems of low attention, large water consumption, and poor utilization of heat energy, etc., and achieve the effects of reliable technology, high energy consumption, and easy implementation
CN106433739BActive Publication Date: 2019-02-12BEIJING HUAFU ENG
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING HUAFU ENG
Publication Date
2019-02-12

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Abstract

The invention discloses an energy-saving utilization system of a delay coking unit, comprising an empty tower, wherein the tower bottom of the empty tower is provided with a steam generator; a heat exchange pipe is arranged in the steam generator, and the tower bottom oil of the empty tower is connected with the heat exchange pipe through the tower bottom pump, and the heat exchange pipe is provided with a medium water inlet and a steam outlet; the steam outlet is connected with a steam pipe network in the whole factory. The energy-saving utilization system solves the problem of high energy consumption of the empty tower system in the existed device; meanwhile, the system also produces the steam with high additional value. The technology is reliable, reasonable, high-efficient and easy to practice; the tracing heat of the device and the pipeline in the steam supply device and use of other devices can be happened, the materials (products) are cooled; thus the purpose of recycling oil product is reached.
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Description

technical field

[0001] The invention relates to an energy utilization technology of a vent tower system in a delayed coking device, in particular to an energy-saving utilization system of a delayed coking unit. Background technique

[0002] Delayed coking unit is a thermal processing technology of heavy oil, and it is a main means of lightening heavy oil in refineries and increasing the yield of light oil in refineries. The delayed coking process usually uses heavy oil, residual oil, or even asphalt as raw materials, and undergoes deep thermal cracking and condensation reactions at high temperatures (about 500ยฐC) to produce rich gas, naphtha, diesel, wax oil, and coke. It is one of the main methods of deep processing of residual oil in the world, and its processing capacity accounts for one-third of the residual oil processing capacity.

[0003] The so-called delay means that the coking oil is rapidly heated to the coking reaction temperature through the heating furnace, bu...

Claims

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