A thermal high-pressure separation system and its processing method

A technology of thermal high-pressure separation and thermal high-pressure separator, which is applied in the fields of hydrocarbon distillation and petroleum industry, etc. It can solve the problems of cumbersome and complicated process and difficult to achieve gas phase desolidification effect, achieve simple operation, solve tank top gas phase desolidification, reduce Effect of Solids Content

Active Publication Date: 2020-04-07
胜帮科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process of this scheme is cumbersome and complicated, and the liquid R10PXL with its own high solid content is used to flush the gas phase, so it is difficult to achieve a good gas phase desolidification effect

Method used

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  • A thermal high-pressure separation system and its processing method

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Effect test

Embodiment 1

[0048] This embodiment provides a thermal high-pressure separation system and its processing method, such as figure 1 As shown, the system includes a hot high-pressure separator 1 , a warm and high-pressure separator 2 , a heat exchanger 3 , a power transmission device 4 and a packing section 5 .

[0049] Wherein, a packing section 5 is provided above the middle section of the hot high-pressure separator 1, and a washing oil inlet is arranged above the packing section 5. The feed inlets are connected by a pipeline, and a heat exchanger 3 is arranged on the pipeline, and the heat exchanger 3 is a high-pressure heat exchanger. The side line of the hot high-pressure separator 1 is provided with a material inlet connected to a feed pipeline of the suspension bed hydrogenation reaction product. The produced oil of the warm and high pressure separator 2 is divided into two parts, the first part is extracted from the nozzle at the bottom of the side line of the warm and high pressur...

Embodiment 2

[0058] This embodiment provides a thermal high-pressure separation system and its processing method. The thermal high-pressure separation system used in this embodiment is the same as that in Embodiment 1.

[0059] The method for processing by the above system comprises the following steps:

[0060] (1) adding the suspension bed hydrogenation reaction product to the hot high-pressure separator 1 for separation;

[0061] (2) The 300°C tank top gas phase produced by the hot and high-pressure separator 1 is cooled to 200°C by the heat exchanger 3 and then enters the warm and high-pressure separator 2 for separation, and the tank bottom oil produced by the hot and high-pressure separator 1 is sent to the subsequent device;

[0062] (3) The tank top gas phase produced by the temperature and high pressure separator 2 is sent to the follow-up device, and the temperature of the oil produced by the temperature and high pressure separator 2 is 200°C. The produced oil is divided into t...

Embodiment 3

[0065] This embodiment provides a thermal high-pressure separation system and its processing method. The thermal high-pressure separation system used in this embodiment is the same as that in Embodiment 1.

[0066] The method for processing by the above system comprises the following steps:

[0067] (1) adding the suspension bed hydrogenation reaction product to the hot high-pressure separator 1 for separation;

[0068] (2) The 450°C tank top gas phase produced by the hot and high-pressure separator 1 is cooled to 300°C by the heat exchanger 3 and then enters the warm and high-pressure separator 2 for separation, and the tank bottom oil produced by the hot and high-pressure separator 1 is sent to the subsequent device;

[0069] (3) The tank top gas phase produced by the high-temperature and high-pressure separator 2 is sent to the subsequent device, and the temperature of the oil produced by the high-temperature and high-pressure separator 2 is 300°C. The produced oil is div...

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Abstract

The invention provides a thermal high-pressure separation system and a treatment method thereof. The system comprises a thermal high-pressure separator and a warm high-pressure separator, wherein a filling material section is arranged above the middle section of the thermal high-pressure separator; a washing oil inlet is formed in the upper side of the filling material section; a tank top gas phase outlet of the thermal high-pressure separator is connected with a side line feeding opening of the warm high-pressure separator; a material inlet is formed in the side line of the thermal high-pressure separator; produced oil of the warm high-pressure separator is divided into two parts; the first part backflows to the thermal high-pressure separator through the washing oil inlet; the second part is conveyed to a subsequent device. The system solves the problem of tank top gas phase solid elimination of the thermal high-pressure separator; meanwhile, washing oil from other external sources is not introduced; the problem of too great energy consumption due to temperature rise and pressure rise on the external washing oil can be avoided; meanwhile, the cost of the external source washing oil is saved. The treatment method has the advantages that the operation is simple; the industrial production is easy.

Description

technical field [0001] The invention belongs to the field of energy and chemical industry, and in particular relates to a thermal high-pressure separation system and a processing method thereof. Background technique [0002] The suspended bed hydrogenation reactor processes heavy oil (coal tar, atmospheric residue, vacuum residue, catalytic oil slurry, fuel oil, etc.) ), the thermal high-pressure separator for suspension bed hydrogenation (referred to as thermal high fraction) is used to separate the gas phase and liquid-solid phase of the suspension bed hydrogenation reaction product, so that the unconverted heavy oil and solid catalyst enter the thermal high pressure separator. At the bottom of the separation, the separated gas phase products are cooled from the top of the hot high fraction and then enter the warm and high pressure separator (referred to as warm high fraction) for re-separation. [0003] Since the suspension bed hydrogenation reaction product is a three-p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G7/00
CPCC10G7/00
Inventor 王庆元黄云常伟先
Owner 胜帮科技股份有限公司
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