Polymer cracking gas fractionating tower device

By designing a polymer pyrolysis gas fractionation tower device, the problem that existing fractionation towers cannot process rubber and plastic materials simultaneously has been solved, achieving efficient catalysis and fractionation operations, and improving product quality and processing efficiency.

CN224100022UActive Publication Date: 2026-04-10HONGRUI BEND (JIANGXI) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing fractionation towers cannot process rubber and plastic polymers simultaneously, leading to cross-contamination, incomplete chemical reactions, and unstable product quality.

Method used

A polymer cracking gas fractionation tower device was designed, comprising vertical and horizontal fractionation towers, each equipped with a catalytic shell and a molecular sieve plate. Different polymer materials can be flexibly processed through a distributor and a flow guide pipeline, and catalytic and fractionation operations are carried out in combination with the catalyst and molecular sieve plate.

Benefits of technology

It enables flexible processing of rubber and plastic polymer materials, improves product purity and quality, reduces cross-contamination, and enhances processing efficiency.

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Abstract

The utility model discloses a macromolecule cracking gas fractionating tower device which comprises a main input pipeline, a vertical fractionating tower is installed at one end of the main input pipeline, a horizontal fractionating tower is installed on one side of the vertical fractionating tower, the vertical fractionating tower comprises a vertical shell, a first vertical catalysis shell is installed on the inner side of the vertical shell, and a second vertical catalysis shell is installed on the inner side of the horizontal fractionating tower. A second vertical catalytic shell is mounted on the inner side of the first vertical catalytic shell; the horizontal fractionating tower comprises a horizontal shell, a first horizontal catalytic shell is mounted on the inner side of the horizontal shell, a second horizontal catalytic shell is mounted on the inner side of the first horizontal catalytic shell, and a first molecular sieve plate is mounted at one end of the second horizontal catalytic shell. According to the utility model, plastic and rubber high polymer materials are correspondingly treated, so that the dual-mode fractionation operation can be realized, the treatment capacity on complex high polymer materials is obviously enhanced through dual-layer catalysis, and the purity and the quality of products are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fractionating column, specifically is high polymer cracking gas fractionating column device. BACKGROUND

[0002] Fractionating column is a widely used device in chemical and petroleum industry, mainly used for separating liquid mixture. Its working principle is based on the difference of boiling points of different components. By heating the mixture, its components evaporate in turn, and separation is realized through gas-liquid contact and mass transfer process. Fractionating column has a wide application in the separation of high molecular materials. For example, in the polymer production process, monomers or oligomers with different boiling points can be separated by fractionating column, so as to obtain pure polymer product.

[0003] The existing fractionating column can usually only process one type of high molecular material, cannot simultaneously process rubber and plastic materials, is difficult to flexibly adjust the processing flow according to different raw material types, is easy to cause cross contamination, and the traditional fractionating column lacks effective catalyst system when processing complex high molecular materials, the chemical reaction is insufficient, resulting in low processing efficiency and unstable product quality; therefore, it does not meet the existing demand, and for this, we propose high polymer cracking gas fractionating column device. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing high polymer cracking gas fractionating column device, to solve the problem that the existing fractionating column can usually only process one type of high molecular material, cannot simultaneously process rubber and plastic materials, is difficult to flexibly adjust the processing flow according to different raw material types, is easy to cause cross contamination, and the traditional fractionating column lacks effective catalyst system when processing complex high molecular materials, the chemical reaction is insufficient, resulting in low processing efficiency and unstable product quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: high polymer cracking gas fractionating column device, including main input pipeline, one end of main input pipeline is installed with vertical fractionating column, one side of vertical fractionating column is installed with horizontal fractionating column, vertical fractionating column includes vertical casing, the inboard of vertical casing is installed with first vertical catalytic casing, the inboard of first vertical catalytic casing is installed with second vertical catalytic casing;

[0006] The horizontal fractionating column includes horizontal casing, the inboard of horizontal casing is installed with first horizontal catalytic casing, the inboard of first horizontal catalytic casing is installed with second horizontal catalytic casing, one end of second horizontal catalytic casing is installed with first molecular sieve plate, one side of first molecular sieve plate is installed with second molecular sieve plate.

[0007] Preferably, a flow divider is installed between the vertical fractionating tower and the horizontal fractionating tower, a flow guide pipeline is installed at the bottom end of the flow divider, a main output pipeline is installed at one end of the horizontal fractionating tower, and gate valves are installed at both ends of the flow guide pipeline, the main output pipeline and the flow divider.

[0008] Preferably, both ends of the flow divider are connected to the second vertical catalytic shell and the second horizontal catalytic shell through two gate valves, and one end of the main input pipeline is connected to the vertical shell.

[0009] Preferably, the bottom end of the flow divider is connected to the inside of the horizontal shell through the flow guide pipeline, and the second vertical catalytic shell is connected to the second horizontal catalytic shell through the main output pipeline.

[0010] Preferably, the surfaces of the first vertical catalytic shell, the second vertical catalytic shell, the first horizontal catalytic shell and the second horizontal catalytic shell are provided with catalytic holes.

[0011] Preferably, the vertical shell, the first vertical catalytic shell, the first vertical catalytic shell and the second vertical catalytic shell, the horizontal shell, the first horizontal catalytic shell and the first horizontal catalytic shell and the second horizontal catalytic shell are filled with catalysts for catalyzing plastic high molecular materials.

[0012] Preferably, the second horizontal catalytic shell is fixedly connected with the first molecular sieve plate and the second molecular sieve plate, the first molecular sieve plate and the second molecular sieve plate are linearly arranged along the axis of the second horizontal catalytic shell, the first molecular sieve plate is used for isolating impurities, and the second molecular sieve plate is used for pure gas.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a catalytic hole is arranged on the surface of the first vertical catalytic shell, the second vertical catalytic shell, the first horizontal catalytic shell and the second horizontal catalytic shell, so that the first vertical catalytic shell and the second vertical catalytic shell can be used for catalyzing high molecular materials, the gas output from the cracker can be preliminarily treated, the preliminary catalyzed material in the second vertical catalytic shell can be divided by the flow divider, the flow divider can guide the flow according to the type of high molecular material, the plastic high molecular material is input to the inside of the horizontal shell through the flow guide pipeline, and further catalyzing operation is carried out through the first horizontal catalytic shell and the second horizontal catalytic shell.

[0015] 2. The utility model discloses a main output pipeline can gather and output to the material after catalyzing, when the high polymer material is rubber, the shunt ware imports rubber high polymer material to the inside of second horizontal catalytic shell, install first molecular sieve plate and second molecular sieve plate in the inside of second horizontal catalytic shell and make the rubber be isolated impurity and purified gas in turn through first molecular sieve plate and second molecular sieve plate, and then realize the double -mode quick fractional distillation operation of different kinds of high polymer materials. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the overall plan view of the utility model;

[0018] Figure 3 It is the partial section structure schematic diagram of the utility model;

[0019] Figure 4 It is the section structure schematic diagram of horizontal fractional distillation column of the utility model.

[0020] In the drawing: 1, vertical fractional distillation column;2, horizontal fractional distillation column;3, main input pipeline;4, gate valve;5, shunt ware;6, flow guide pipeline;7, main output pipeline;8, vertical shell;9, horizontal shell;10, first vertical catalytic shell;11, second vertical catalytic shell;12, first horizontal catalytic shell;13, second horizontal catalytic shell;14, first molecular sieve plate;15, second molecular sieve plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figure 1 And Figure 2 The utility model provides an embodiment: high molecular cracking gas fractional distillation column device, including main input pipeline 3, install shunt ware 5 between vertical fractional distillation column 1 and horizontal fractional distillation column 2, the bottom end of shunt ware 5 is installed flow guide pipeline 6, one end of horizontal fractional distillation column 2 is installed main output pipeline 7, both ends of flow guide pipeline 6, main output pipeline 7 and shunt ware 5 are installed gate valve 4, control the flow of flow guide pipeline 6, main output pipeline 7 and shunt ware 5 through gate valve 4, it is convenient to corresponding delivery according to different kinds of high polymer materials.

[0023] Please refer to Figure 3 And Figure 4, one end of the main input pipeline 3 is provided with a vertical fractionating tower 1, one side of the vertical fractionating tower 1 is provided with a horizontal fractionating tower 2, the vertical fractionating tower 1 comprises a vertical shell 8, the inner side of the vertical shell 8 is provided with a first vertical catalytic shell 10, the inner side of the first vertical catalytic shell 10 is provided with a second vertical catalytic shell 11, both ends of the flow divider 5 are connected with the second vertical catalytic shell 11 and the second horizontal catalytic shell 13 through two gate valves 4, one end of the main input pipeline 3 is connected with the vertical shell 8, the first vertical catalytic shell 10 and the second vertical catalytic shell 11 can be used for catalyzing operation of the high molecular material, so that the gas output from the cracker can be preliminarily treated.

[0024] The horizontal fractionating tower 2 comprises a horizontal shell 9, the bottom end of the flow divider 5 is connected with the inside of the horizontal shell 9 through a flow guide pipeline 6, the inner side of the horizontal shell 9 is provided with a first horizontal catalytic shell 12, the inner side of the first horizontal catalytic shell 12 is provided with a second horizontal catalytic shell 13, the flow divider 5 inputs the plastic high molecular material into the inside of the horizontal shell 9 through the flow guide pipeline 6, and further catalyzing operation is sequentially performed through the first horizontal catalytic shell 12 and the second horizontal catalytic shell 13, one end of the second horizontal catalytic shell 13 is provided with a first molecular sieve plate 14, one side of the first molecular sieve plate 14 is provided with a second molecular sieve plate 15, the second horizontal catalytic shell 13 is fixedly connected with the first molecular sieve plate 14 and the second molecular sieve plate 15, the first molecular sieve plate 14 and the second molecular sieve plate 15 are linearly arranged along the axis of the second horizontal catalytic shell 13, the first molecular sieve plate 14 is used for isolating impurities, and the second molecular sieve plate 15 is used for pure gas, and the rubber can be sequentially screened through the first molecular sieve plate 14 and the second molecular sieve plate 15.

[0025] Please refer to Figure 3 The second vertical catalytic shell 11 and the second horizontal catalytic shell 13 are connected through the main output pipeline 7, the surfaces of the first vertical catalytic shell 10, the second vertical catalytic shell 11, the first horizontal catalytic shell 12 and the second horizontal catalytic shell 13 are provided with catalytic holes, the vertical shell 8, the first vertical catalytic shell 10, the first vertical catalytic shell 10 and the second vertical catalytic shell 11, the horizontal shell 9 and the first horizontal catalytic shell 12 and the first horizontal catalytic shell 12 and the second horizontal catalytic shell 13 are all filled with catalysts, the catalysts are used for catalyzing plastic high molecular materials, the double-layer catalytic treatment can enhance the treatment capacity of complex high molecular materials, and the purity and quality of the products are improved.

[0026] In use, when the polymer material is subjected to fractionation, the main input pipeline 3 is connected to the cracker away from one end of the vertical fractionating tower 1, so that the polymer material is subjected to cracking by the cracker and is input into the interior of the vertical housing 8 through the main input pipeline 3, the first vertical catalytic housing 10 and the second vertical catalytic housing 11 are sequentially arranged from the outside to the inside in the interior of the vertical housing 8, and the first horizontal catalytic housing 12 and the second horizontal catalytic housing 13 are sequentially arranged from the outside to the inside in the interior of the horizontal housing 9, and the surfaces of the first vertical catalytic housing 10, the second vertical catalytic housing 11, the first horizontal catalytic housing 12 and the second horizontal catalytic housing 13 are provided with catalytic holes;

[0027] So that the first vertical catalytic housing 10 and the second vertical catalytic housing 11 can perform catalytic operation on the polymer material, and the gas output from the cracker is preliminarily treated, the shunt 5 can shunt the material preliminarily catalyzed in the interior of the second vertical catalytic housing 11, the bottom end of the shunt 5 is connected to the interior of the horizontal housing 9 through the flow guide pipeline 6, and one end of the shunt 5 is connected to the interior of the second horizontal catalytic housing 13, so that the shunt 5 can guide the flow according to the types of the polymer material.

[0028] Specifically, when the polymer material is plastic, the shunt 5 inputs the plastic polymer material into the interior of the horizontal housing 9 through the flow guide pipeline 6, and further performs catalytic operation sequentially through the first horizontal catalytic housing 12 and the second horizontal catalytic housing 13, and then the catalyzed material can be collected and output through the main output pipeline 7, and when the polymer material is rubber, the shunt 5 inputs the rubber polymer material into the interior of the second horizontal catalytic housing 13, and the first molecular sieve plate 14 and the second molecular sieve plate 15 arranged linearly are arranged in the interior of the second horizontal catalytic housing 13, so that the first molecular sieve plate 14 and the second molecular sieve plate 15 can sequentially isolate impurities and purify gas for the rubber, thereby realizing rapid fractionation operation of different types of polymer materials.

[0029] It will be obvious to a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than by the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A polymer cracking gas fractionation column apparatus comprising a main input line (3), characterized in that: One end of the main input pipeline (3) is provided with a vertical fractionating tower (1), one side of the vertical fractionating tower (1) is provided with a horizontal fractionating tower (2), the vertical fractionating tower (1) comprises a vertical shell (8), the inner side of the vertical shell (8) is provided with a first vertical catalytic shell (10), the inner side of the first vertical catalytic shell (10) is provided with a second vertical catalytic shell (11); The horizontal fractionating tower (2) comprises a horizontal shell (9), the inner side of the horizontal shell (9) is provided with a first horizontal catalytic shell (12), the inner side of the first horizontal catalytic shell (12) is provided with a second horizontal catalytic shell (13), one end of the second horizontal catalytic shell (13) is provided with a first molecular sieve plate (14), one side of the first molecular sieve plate (14) is provided with a second molecular sieve plate (15).

2. The polymer cracking gas fractionation column apparatus of claim 1, wherein: The vertical fractionating tower (1) and the horizontal fractionating tower (2) are provided with a flow divider (5), the bottom end of the flow divider (5) is provided with a flow guide pipeline (6), one end of the horizontal fractionating tower (2) is provided with a main output pipeline (7), both ends of the flow guide pipeline (6), the main output pipeline (7) and the flow divider (5) are provided with gate valves (4).

3. The polymer cracking gas fractionation column apparatus of claim 2, wherein: Both ends of the flow divider (5) are connected with the second vertical catalytic shell (11) and the second horizontal catalytic shell (13) through two gate valves (4) therein, one end of the main input pipeline (3) is connected with the vertical shell (8).

4. The polymer cracking gas fractionation column apparatus of claim 3, wherein: The bottom end of the flow divider (5) is connected with the inner part of the horizontal shell (9) through the flow guide pipeline (6), the second vertical catalytic shell (11) is connected with the second horizontal catalytic shell (13) through the main output pipeline (7).

5. The polymer cracking gas fractionation column apparatus of claim 4, wherein: The surfaces of the first vertical catalytic shell (10), the second vertical catalytic shell (11), the first horizontal catalytic shell (12) and the second horizontal catalytic shell (13) are provided with catalytic holes.

6. The polymer cracking gas fractionation column apparatus of claim 5, wherein: The vertical shell (8), the first vertical catalytic shell (10), the first vertical catalytic shell (10) and the second vertical catalytic shell (11), the horizontal shell (9), the first horizontal catalytic shell (12) and the first horizontal catalytic shell (12) and the second horizontal catalytic shell (13) are filled with catalysts, and the catalysts are used for catalyzing plastic polymer materials.

7. The polymer cracking gas fractionation column apparatus of claim 6, wherein: The second horizontal catalytic shell (13) is fixedly connected with the first molecular sieve plate (14) and the second molecular sieve plate (15), the first molecular sieve plate (14) and the second molecular sieve plate (15) are linearly arranged along the axis of the second horizontal catalytic shell (13), the first molecular sieve plate (14) is used for isolating impurities, and the second molecular sieve plate (15) is used for pure gas.