Research Institute of Petroleum Processing, Sinopec

China Petroleum & Chemical Corporation

China Petroleum Chemical Corporation

Shuandi Hou

Jun Long

Junyi Mao

Xiaojin Tang

Zhanzhu Zhang

Jiushun Zhang

Lifeng Hu

Kejia Xu

Zhenxing Zhu

Shaobing Wang

Hongliang Qu

Zheng Liu

Yongxiang Li

Xuefeng Wu

Zhihai Zhao

Tao Huang

Wei Lin

Huiping Tian

Zhijian Da

Chaogang Xie

Jun He

Jianhong Gong

Lishun Dai

Anguo Mao

Ye Song

Ming Kai Dong

Xiaoli Wei

Xuefeng Li

Xiaoxiang Zhong

Qing Yuan

Songnian Li

Jinlong He

Zhemin Zhang

Huandi Hou

Jialin Liang

Haiping Shen

Jiguang Li

Cuihong Wang

Zhihong Tian

Bingtian Zhu

Lufeng Lv

Yalin Liu

Xuefeng Chen

Ya Qin

Tongwang Zhang

The present disclosure generally relates to a liquid-solid radial moving bed reaction apparatus comprising a radial moving bed reactor, a spent catalyst receiver, a catalyst regenerator, and a regenerated catalyst receiver that are successively connected. Also disclosed is a solid acid alkylation process using the liquid-solid radial moving bed reaction apparatus.

Liquid-solid radial moving bed reaction device and solid acid alkylation method

A process for producing light olefins from inferior oils includes the steps of: subjecting an inferior oil to a thermal conversion reaction in the presence of hydrogen to obtain a conversion product; separating the conversion product to obtain a first separated product; separating the first separated product to obtain an upgraded oil and a pitch; subjecting the upgraded oil to hydro-upgrading to obtain a hydro-upgraded oil; separating the hydro-upgraded oil to obtain a hydro-upgraded heavy oil; and subjecting the hydro-upgraded heavy oil to catalytic cracking to obtain a catalytic cracking product comprising a light olefin.

Process and system for producing light olefins from inferior oils

A liquid-solid axial moving bed reaction and regeneration apparatus and a solid acid alkylation process by using the liquid-solid axial moving bed reaction and regeneration apparatus. the liquid-solid axial moving bed reaction and regeneration apparatus comprise: An axial moving bed reactor (), a spent catalyst receiver (), a catalyst regenerator () and a regenerated catalyst receiver () that are successively connected, wherein, a catalyst outlet of the regenerated catalyst receiver () is communicated with a catalyst inlet of the axial moving bed reactor (); Wherein, the axial moving bed reactor () is provided with at least two catalyst beds () arranged up and down, the axial moving bed reactor () is provided with a feed inlet () above each catalyst bed (); A catalyst delivery pipe () is arranged between two adjacent catalyst beds () so that the catalyst can move from top to bottom in the axial moving bed reactor (); A separation component () is provided between two adjacent catalyst beds (), the inside space of the separation component () is communicated with the catalyst delivery pipe (), the separation component () is for separating the stream after the reaction in the upstream catalyst bed from the catalyst, the catalyst obtained by the separation with the separation component () moves down through the catalyst delivery pipe ().

Liquid-solid axial moving bed reaction and regeneration device, and solid acid alkylation method

A desulfurization catalyst includes at least: 1) a sulfur-storing metal oxide, 2) an inorganic binder, 3) a wear-resistant component, and 4) an active metal component. The sulfur-storing metal is one or more of a metal of Group IIB of the periodic table, a metal of Group VB of the periodic table, and a metal of Group VIB of the periodic table, e.g., zinc. The desulfurization catalyst has a good stability and a high desulfurization activity.

Desulfurization catalyst, its production and application thereof

The present invention relates to a method for obtaining a fraction oil yield from petroleum hydrocarbons in a distillation column, wherein said distillation column comprises a fractionation stage, a vaporization section and a stripping stage from the top to the bottom of the distillation column. The method comprises preheating and sending a feedstock oil of petroleum hydrocarbons through a pressure-feeding system at a pressure of 100-1000 kPa higher than the vaporization section pressure of the distillation column, wherein said preheating is conducted in a heating furnace, wherein said heating furnace has an outlet pressure of 100-1000 kPa higher than the vaporization section absolute pressure, and an outlet temperature of 360-460&#xb0; C.

Distillation tower for improving yield of petroleum hydrocarbon distillate and feeding method thereof

The present invention relates to an airflow particle sorter, comprising: a top-sealed sorter main body, a discharge port, an outtake tube and at least one directing-intake port; the inner space of the sorter main body, from the above to the bottom, includes, a straight tube zone and a cone zone, the conical bottom of the cone zone is connected to the straight tube zone; the discharge port is located at the bottom of the cone zone; the directing-intake port is installed in the upper part of the straight tube zone in a tangential direction of the straight tube zone, and is communicated with the inner space of the sorter main body; the outtake tube is hermetically inserted into the top of the sorter main body, and extends downwardly to the lower part of the straight tube zone, and the outtake tube has a sealed bottom end; the lower part of the outtake tube is installed with at least one directing-outtake port, which communicates the outtake tube with the inner space of the sorter main body, the directing-outtake port is installed in a tangential direction of the outtake tube. The present invention further relates to a fluidized bed reactor and an adsorption desulfurization reaction apparatus as well as an adsorption desulfurization process.

Adsorption desulfurization process for hydrocarbons and a reaction apparatus therefor

The present invention relates to a slurry bed loop reactor comprising a riser and at least one downcomer (), wherein two ends of the riser are connected to two ends of the downcomer () via lines () and (), respectively. The riser comprises a reaction section () and a settling section () with an increased tube diameter disposed on the reaction section (). A gas outlet () exists at the top of the settling section (). Each of the downcomers () is divided into a filtrate section () and a slurry section () by filter medium (), wherein the filtrate section () is connected to a liquid outlet (); two ends of the slurry section () are respectively connected to two ends of the riser, and the filtrate region () may further be connected to a back purging system. When used in a gas-liquid-solid three phases reaction system, the reactor can realize successive separation of gas, liquid and solid particles in slurry, and realize the back purging regeneration of filter tubes without influencing the reaction processes. In addition, said reactor has the advantages of high separation efficiency, simple structure, flexible and easy operation.

Slurry bed loop reactor and use thereof

A conversion apparatus for catalytic cracking a hydrocarbon feed to light hydrocarbon comprises at least one riser reactor, a dense bed reactor, a disengager, and a stripper. A dense bed reactor which is separated from disengage, is employed to enforce further cracking hydrocarbon to light olefins, with low methane yield. Moreover, the spent catalysts discharged from the outlet of the dense bed reactor can be introduced into the stripper via a specific catalyst transporting channel, to maintain catalyst concentration in the dense bed reactor that can be advantageous to deeper cracking of the intermediate products to produce more light olefins, particularly propylene.

Catalytic conversion apparatus

A downflow catalytic cracking reactor, comprising the following components: catalyst delivery pipe (), reactor top cover (), feed nozzle (), reactor vessel (), downflow reaction pipe (), the upper end of the outer body is close connected to top cover () along the direction of circumference; the bottom of the outer wall body is close connected to the outer wall of the downflow reaction pipe; the upper section of the downflow reaction pipe is located inside the reaction vessel, while the lower section extends from the bottom of the outer body; feed nozzle () is located on the top cover () and/or side wall of the reactor vessel () with the outlet of the feed nozzle being above the inlet of the downflow reaction pipe; catalyst delivery pipe () is fixedly joined to the reactor vessel and in communication with catalyst lifting zone () formed by the reaction vessel and the downflow reaction pipe.

Downflow catalytic cracking reactor and its application

Growing community of inventors

Beijing, China

Shuandi Hou