A hierarchical conversion device and method for fluidized bed heavy oil cracking and gasification
A heavy oil cracking and conversion device technology, which is applied in the direction of multi-stage series refining and cracking process treatment, can solve the problems of difficult engineering design, waste of heavy oil resources, and low calorific value of gas
Active Publication Date: 2021-05-18
SHAANXI YANCHANG PETROLEUM GRP
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Problems solved by technology
Flexible coking is a foreign patented technology, which has problems such as complex process, high investment, low calorific value of gas and difficult engineering design, and the promotion rate is low
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[0045] Below in conjunction with accompanying drawing, the patent of the present invention is described in further detail.
[0046] see figure 1 , The device of the present invention includes a feed unit, a carrier gas unit, a cracking-gasification unit, a cooling recovery unit, a gas-liquid separation unit and a light oil recovery unit:
[0047] The feed unit includes a steam system, a heavy oil system and a solid particle system;
[0048] The steam system includes a pressurized metering pump 1, an electric steam generator 2 and a steam superheater 3 connected in sequence with the steam source;
[0049] The heavy oil system includes a heavy oil pressurized feed pump 4, a heavy oil preheater 5, and a heavy oil sprayer 6 connected in sequence to the heavy oil source, and the saturated steam produced by the steam superheater 3 of the steam system is combined with the gas from the heavy oil sprayer 6. connected to the road entrance;
[0050] The solid particle system includes ...
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Abstract
A fluidized bed heavy oil cracking and gasification fractional conversion device and method, comprising a feed unit, a carrier gas unit, a cracking-gasification unit, a cooling recovery unit, a gas-liquid separation unit and a light oil recovery unit. The feeding unit includes a heavy oil system, a steam system and a solid particle system to realize the efficient atomization of heavy oil and steam, and the continuous and stable feeding of oil and gas; Continuous feeding of heat and gasification agent; cracking-gasification unit includes coupling reaction system, solid circulation return system and dust removal system to complete heavy oil cracking, solid capture and circulation return; cooling recovery unit includes online sampling system, washing system and rectification system to realize the collection of pyrolysis oil and the recovery and recycling of light oil and heavy oil; the gas-liquid separation and light oil recovery unit includes a two-stage condensing gas-liquid separation system, adsorption tanks, and filters to complete gas-liquid two-phase High-efficiency separation and recovery of light tail oil.
Description
technical field [0001] The invention relates to a heavy oil cracking and gasification device, in particular to a fluidized bed heavy oil cracking and gasification hierarchical conversion device and method. Background technique [0002] The contradiction between the deepening of heavy and poor quality of petroleum resources, the rapid growth of demand for light oil products, and the increasingly stringent environmental protection has accelerated the development of new technologies for heavy oil processing. Inferior heavy oil has the characteristics of high polycyclic aromatic hydrocarbon content, high C / H ratio, high viscosity and density, high content of heteroatoms and heavy metals, and easy condensation to generate coke. Traditional heavy oil upgrading technology is difficult to meet the processing requirements of high efficiency and cleanliness. [0003] Traditional heavy oil upgrading technologies are divided into two routes: hydrogenation and decarburization. Most of t...
Claims
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IPC IPC(8): C10G55/04
CPCC10G55/04
Inventor 黄勇杨会民王汝成张月明刘巧霞吴升潇王研孔少亮贺文晋
Owner SHAANXI YANCHANG PETROLEUM GRP