CN221166475U - System for processing needle coke raw material based on heavy aromatic hydrocarbon derivative - Google Patents

Abstract

The utility model discloses a processing system for needle coke raw materials based on a heavy aromatic hydrocarbon derivative, and relates to the technical field of heavy aromatic hydrocarbon derivatives. The utility model comprises a heating and pressurizing module, wherein the output end of the heating and pressurizing module is provided with an extraction module, the extraction module is provided with three output ends, the first output end of the extraction module is provided with a first extraction module, the second output end of the extraction module is provided with a second extraction module, and the third output end of the extraction module is provided with a third extraction module. The utility model is divided into three modules in the extraction process. The raw materials of each module are cooled by different coolers and then enter different extraction towers for extraction treatment, so that the needle coke raw materials are separated at different temperatures, the production effect of different concentrations of the finished heavy aromatic hydrocarbon derivative is achieved, the application range is wide, and the modern technological concept is realized.

Description

System for processing needle coke raw material based on heavy aromatic hydrocarbon derivative

Technical Field

The utility model belongs to the technical field of heavy aromatic hydrocarbon derivatives, and particularly relates to a processing system for needle coke raw materials based on a heavy aromatic hydrocarbon derivative.

Background

Heavy aromatics derivatives are widely used in the oil refining industry to produce various fuels such as gasoline, diesel and jet fuels. They can be used as additives to improve the performance and cleanliness of fuels, and some heavy aromatic derivatives are used to prepare pharmaceuticals, especially as intermediates for synthetic pharmaceuticals. They can be used as key building blocks in pharmaceutical synthesis processes, and in the green energy field, some heavy aromatic derivatives are used for preparing electrolytes and catalysts in fuel cells.

Disclosure of utility model

The utility model aims to provide a processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives, which is divided into three modules in the extraction process. The raw materials of each module are cooled by different coolers and then enter different extraction towers for extraction treatment, so that the needle coke raw materials are separated at different temperatures, and the existing problems are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives, which comprises a heating and pressurizing module, wherein the output end of the heating and pressurizing module is provided with an extraction module, the extraction module is provided with three output ends, the first output end of the extraction module is provided with a first extraction module, the second output end of the extraction module is provided with a second extraction module, the third output end of the extraction module is provided with a third extraction module, and the output ends of the first extraction module, the second extraction module and the third extraction module are respectively provided with a hydrocarbon oil recovery module.

Further, the heating and pressurizing module comprises a raw material flowmeter, a heat exchanger, a reaction tower and a heater, and a cutting machine is arranged between the heating and pressurizing module and the extraction module.

Further, the extraction module comprises an extraction tower and a condenser, and a flowmeter and a regulating valve are arranged among the extraction module, the first extraction module, the second extraction module and the third extraction module.

Furthermore, the first extraction module, the second extraction module and the third extraction module are internally provided with an injection opening and an injection opening, and separation pipelines are arranged among the first extraction module, the second extraction module, the third extraction module and the extraction modules.

Further, the hydrocarbon oil recovery module comprises a recovery box and a pump pressurizer, and the output end and the input end of the hydrocarbon oil recovery module are connected with the first extraction module, the second extraction module and the third extraction module.

Further, a heating furnace is arranged between the hydrocarbon oil recovery module and the first extraction module, between the hydrocarbon oil recovery module and the hydrocarbon oil recovery module, and between the hydrocarbon oil recovery module and the hydrocarbon oil recovery module are arranged between the hydrocarbon oil recovery module and the hydrocarbon oil recovery module.

The utility model has the following beneficial effects:

1. The utility model is divided into three modules in the extraction process. The raw materials of each module are cooled by different coolers and then enter different extraction towers for extraction treatment, so that the needle coke raw materials are separated at different temperatures, the production effect of different concentrations of the finished heavy aromatic hydrocarbon derivative is achieved, the application range is wide, and the modern technological concept is realized.

2. The utility model is obtained by light fuel oil and aromatic components at the top and bottom of the tower respectively. Finally, the mixed solution of the solvent and the light fuel oil with very low aromatic hydrocarbon content is obtained at the top of the tower, and the mixed solution of the solvent and the aromatic hydrocarbon with very high aromatic hydrocarbon content is obtained at the bottom of the tower, so that the aromatic hydrocarbon and the non-aromatic hydrocarbon are separated, and the effect of separating and refining the light fuel oil and the aromatic hydrocarbon is achieved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic plan view of a processing system according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a heating and pressurizing module; 2. an extraction module; 3. a first extraction module; 4. a second extraction module; 5. a third extraction module; 6. and a hydrocarbon oil recovery module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives of the present utility model includes a heating and pressurizing module 1, wherein an output end of the heating and pressurizing module 1 is provided with an extraction module 2, the extraction module 2 is provided with three output ends, a first output end of the extraction module 2 is provided with a first extraction module 3, a second output end of the extraction module 2 is provided with a second extraction module 4, a third output end of the extraction module 2 is provided with a third extraction module 5, and output ends of the first extraction module 3, the second extraction module 4 and the third extraction module 5 are respectively provided with a hydrocarbon oil recovery module 6.

The heating and pressurizing module 1 comprises a raw material flowmeter, a heat exchanger, a reaction tower and a heater, a cutting machine is arranged between the heating and pressurizing module 1 and the extraction module 2, and the core part of the system is the heating and pressurizing module 1 which comprises the raw material flowmeter, the heat exchanger, the reaction tower and the heater. This module is used to process needle coke feedstock and heat and pressure it for subsequent processing.

The extraction module 2 comprises an extraction tower and a condenser, and a flowmeter and an adjusting valve are arranged among the extraction module 2, the first extraction module 3, the second extraction module 4 and the third extraction module 5. The extraction module 2 comprises an extraction tower and a condenser, and is used for extracting the treated substances from the heating and pressurizing module. The output of this module is divided into three channels, which are connected to three extraction modules, respectively.

The first extraction module 3, the second extraction module 4 and the third extraction module 5 are internally provided with an injection opening and an injection opening, and separation pipelines are arranged among the first extraction module 3, the second extraction module 4, the third extraction module 5 and the extraction module 2. The system has three extraction modules, respectively referred to as a first extraction module 3, a second extraction module 4 and a third extraction module 5. Each extraction module may have an injection port and an injection outlet therein for further processing of the material

The hydrocarbon oil recovery module 6 comprises a recovery box and a pump pressurizer, and the output end and the input end of the hydrocarbon oil recovery module 6 are connected with the first extraction module 3, the second extraction module 4 and the third extraction module 5. The output of each extraction module is connected to a hydrocarbon oil recovery module 6. These modules include recovery tanks and pump pressurizers for recovering and treating the extracted hydrocarbon oil material.

A heating furnace is arranged among the hydrocarbon oil recovery module 6, the first extraction module 3, the second extraction module 4 and the third extraction module 5.

One specific application of this embodiment is: firstly, raw materials are heated and pressurized by a heat exchanger in the heating and pressurizing module 1, then are conveyed to a heat exchange system which is connected with the first extraction module 3, the second extraction module 4 and the third extraction module 5 in the second extraction module 4 through a raw material flowmeter to exchange heat, and the raw materials heated to 200-260 ℃ after heat exchange enter a reaction tower. In the reaction tower, after the chemical reaction of the raw materials, the raw materials at the outlet of the reaction tower contain water, a dehydrator is used for removing the water, the raw materials at the bottom of the reaction tower are heated to 360-400 ℃ through a heating furnace, the heated raw materials enter a decompression extraction tower, and the pressure of-99.7 Kpa is maintained inside the decompression extraction tower. In this column, the bottoms of the first extraction module 3, the second extraction module 4, and the third extraction module 5 are cut according to the temperature gradient, and the bottoms of the first extraction module 3, the second extraction module 4, and the third extraction module 5 are cut according to the reduced pressure extraction column temperature gradient, respectively.

The extraction process is divided into three modules. The raw materials of each module are cooled by different coolers and then enter different extraction towers (T3103A, T3103B, T3103C) for extraction. This allows to separate the oils of different composition, the first extraction module 3 being cooled to 70 ℃ and fed to an extraction column (T3103A) for extraction; the second extraction module 4 is cooled to 80 ℃ through a condenser and enters an extraction tower (T3103B) for extraction; the third extraction module 5 is cooled to 85 ℃ through a condenser and enters an extraction tower (T3103C) for extraction; the heavy materials at the bottom of the tower are sent to a finished product tank area after heat exchange and temperature reduction (100+/-5) DEG C with the raw materials. The solvent is injected into the extraction tower by using the flowmeter and the regulating valve. Different components have different solubilities in the solvent, so the solvent selectively dissolves the aromatic hydrocarbon and the non-aromatic hydrocarbon, and after the solvent is mixed with the oil of the first extraction module 3, the second extraction module 4 and the third extraction module 5, the solvent selectively dissolves the aromatic hydrocarbon and the non-aromatic hydrocarbon. Due to the different solubilities of the different components in the solvent, two-phase liquids with different compositions and densities are separated. Light fuel oil and aromatic components are obtained at the top and the bottom of the tower respectively. Finally, the mixed solution of the solvent with very low aromatic hydrocarbon content and the light fuel oil is obtained at the top of the tower, and the mixed solution of the solvent with very high aromatic hydrocarbon content and the aromatic hydrocarbon is obtained at the bottom of the tower, so that the aromatic hydrocarbon and the non-aromatic hydrocarbon are separated.

And the bottom of the evaporation kettle respectively flows out of the light fuel oil and the heavy aromatic hydrocarbon derivative, and is pressurized by a pump and sent into a finished product tank area. And (3) completely delivering tail gas generated in the production process to a heating furnace for incineration treatment.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. A processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives, which comprises a heating and pressurizing module (1), and is characterized in that: the output of heating pressurization module (1) is equipped with extraction module (2), extraction module (2) are equipped with three output, the first output of extraction module (2) is equipped with first extraction module (3), the second output of extraction module (2) is equipped with second extraction module (4), the third output of extraction module (2) is equipped with third extraction module (5), the output of first extraction module (3), second extraction module (4), third extraction module (5) all is equipped with hydrocarbon oil recovery module (6).

2. The processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives according to claim 1, wherein the heating and pressurizing module (1) comprises a raw material flowmeter, a heat exchanger, a reaction tower and a heater, and a cutting machine is arranged between the heating and pressurizing module (1) and the extraction module (2).

3. The processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives according to claim 2, wherein the extraction module (2) comprises an extraction tower and a condenser, and flow meters and regulating valves are arranged between the extraction module (2) and the first extraction module (3), the second extraction module (4) and the third extraction module (5).

4. The processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives according to claim 3, wherein the first extraction module (3), the second extraction module (4) and the third extraction module (5) are respectively provided with an injection port and an injection outlet, and separation pipelines are respectively arranged between the first extraction module (3), the second extraction module (4), the third extraction module (5) and the extraction module (2).

5. The processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives according to claim 4, wherein the hydrocarbon oil recovery module (6) comprises a recovery tank and a pump pressurizer, and the output end and the input end of the hydrocarbon oil recovery module (6) are connected with the first extraction module (3), the second extraction module (4) and the third extraction module (5).

6. The processing system for needle coke raw materials based on heavy aromatic hydrocarbon derivatives according to claim 5, wherein a heating furnace is arranged between the hydrocarbon oil recovery module (6) and the first extraction module (3), the second extraction module (4) and the third extraction module (5).