A multi-stage ladder type solid-liquid two-phase intermittent reaction device

Abstract

The utility model relates to reactor technical field, concretely relates to a multistage ladder type solid -liquid two -phase intermittent reaction device, including first side plate subassembly and internal baffle subassembly, first side plate subassembly includes front and back side plate and right side plate, internal baffle subassembly includes left baffle, lower baffle, right baffle and hole baffle, solution is first pumped into the first highest point position ladder structure formed by left baffle, lower baffle, right baffle and hole baffle, after solution gradually increases, when liquid level reaches certain height, under the action of gravity, it is automatically flowed into the buffer chamber of next ladder, continues to carry out the next stage reaction. Liquid from bottom to top contacts the solid reactant or catalyst of each stage, so that the reactant and the reactant, the reactant and the catalyst are fully mixed, the reaction efficiency is increased, and the problems that the existing reactor is not fully mixed between stages, the reactant and the reactant, the reactant and the catalyst are not evenly contacted, and the mass transfer efficiency is reduced can be solved.

Description

Technical Field

[0001] This utility model relates to the field of reactor technology, and in particular to a multi-stage stepped solid-liquid two-phase intermittent reaction device. Background Technology

[0002] A stepped reactor (also known as a multistage reactor or series reactor) is a device that optimizes a chemical or physical reaction by dividing the reaction process into multiple consecutive stages (steps). Its core idea is to control reaction conditions in stages, gradually improving reaction efficiency or product purity. It is suitable for complex reaction systems or scenarios requiring high conversion rates. The reactor consists of multiple independent reaction units (stages) connected in series. Materials typically flow continuously through each stage, with connections between stages via pipes, valves, pumps, etc., and may integrate separation devices (such as centrifuges and filters) or regulating devices (such as heat exchangers and pH adjustment tanks).

[0003] However, the series design of such reactors may lead to the accumulation of fluid resistance (such as pressure loss), requiring pumping equipment with higher power; interstage pipes or valves are prone to failure due to coking, precipitation or corrosion during long-term operation, resulting in the risk of blockage and leakage; if the interstage mixing is insufficient (such as solid-liquid reaction), it may lead to uneven contact between reactants and between reactants and catalyst, resulting in a decrease in mass transfer efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a multi-stage stepped solid-liquid two-phase intermittent reaction device, which aims to solve the problem of insufficient mixing between existing reactor stages, resulting in uneven contact between reactants and between reactants and catalysts, and thus a decrease in mass transfer efficiency.

[0005] To achieve the above objectives, this utility model provides a multi-stage stepped solid-liquid two-phase intermittent reaction device, including a first side plate assembly and an internal baffle assembly. The first side plate assembly includes front and rear side plates and a right side plate. The front and rear side plates are disposed on one side of the internal baffle assembly, and the right side plate is disposed on the lowest point side of the device and has a water outlet hole.

[0006] The internal baffle assembly includes a left baffle, a lower baffle, a right baffle, and a perforated baffle. The multiple left baffles are arranged in a stepped manner, the multiple lower baffles are disposed on the bottom side of the left baffles, and the multiple right baffles are respectively connected to the multiple perforated baffles and the left baffles. The perforated baffles are disposed between the left baffles and the right baffles and are located above the lower baffles.

[0007] The left baffle, the lower baffle, the right baffle, and the perforated baffle work together to form multiple stepped structures.

[0008] The left baffle, the lower baffle, the right baffle, and the perforated baffle are fixed together by adhesive bonding.

[0009] A space is reserved between the left baffle and the right baffle.

[0010] A connecting pipe is provided on the outside of the water outlet hole on the right side plate.

[0011] The stepped structure can be added or removed according to actual needs.

[0012] This invention discloses a multi-stage stepped solid-liquid two-phase intermittent reaction device. During the reaction process, the solution is first pumped into a stepped structure formed by a left baffle, a lower baffle, a right baffle, and a perforated baffle, reaching the highest point. As the reaction proceeds, the solution gradually increases. When the liquid level reaches a certain height, it automatically flows into the buffer chamber of the next stage under the influence of gravity to continue the next stage of the reaction. This allows the internal liquid gravity to serve as the flow driving force, replacing conventional pumps and avoiding the accumulation of fluid resistance. The liquid contacts the solid reactants or catalysts at each stage from bottom to top, ensuring thorough mixing between reactants and between reactants and catalysts, thus increasing reaction efficiency. This stepped design allows the reaction to proceed sequentially under different conditions and stages, with each stage optimized for specific reaction requirements. The multi-stage reaction design of this application not only improves the flexibility of the reaction but also significantly enhances the utilization efficiency of solid catalysts, ensuring high efficiency and thoroughness of the reaction. This enables complex multi-step reaction processes and solves the problem of insufficient mixing between stages in existing reactors, leading to uneven contact between reactants and between reactants and catalysts, resulting in decreased mass transfer efficiency. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a schematic diagram of the overall structure of the multi-stage stepped solid-liquid two-phase intermittent reaction device of this utility model.

[0015] Figure 2 This is a schematic diagram of the stepped structure of this utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the perforated baffle of this utility model, which is arranged vertically.

[0017] In the diagram: 1, 5, 9, 13, 17 - left baffle; 2, 6, 10, 14, 18 - lower baffle; 3, 7, 11, 15, 19 - right baffle; 4, 8, 12, 16, 20 - perforated baffle; 21 - water outlet; 22 - front and rear side plates; 23 - right side plate; A - stepped structure. Detailed Implementation

[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0019] like Figure 1 and Figure 2 As shown, where Figure 1 This is a schematic diagram of the overall structure of a multi-stage stepped solid-liquid two-phase intermittent reaction device. Figure 2 yes Figure 1 The schematic diagram of the stepped structure A shows that this utility model provides a multi-stage stepped solid-liquid two-phase intermittent reaction device, including a first side plate assembly and an internal baffle assembly. The first side plate assembly includes front and rear side plates 22 and a right side plate 23. The internal baffle assembly includes a left baffle (the installation position of the corresponding left baffle is indicated by reference numerals 1, 5, 9, 13, and 17 in the attached drawings for easy understanding of the technical solution), a lower baffle (the installation position of the corresponding lower baffle is indicated by reference numerals 2, 6, 10, 14, and 18 in the attached drawings for easy understanding of the technical solution), a right baffle (the installation position of the corresponding right baffle is indicated by reference numerals 3, 7, 11, 15, and 19 in the attached drawings for easy understanding of the technical solution), and a perforated baffle (the installation position of the corresponding perforated baffle is indicated by reference numerals 4, 8, 12, 16, and 20 in the attached drawings for easy understanding of the technical solution). The aforementioned solution can solve the problem of insufficient mixing between reactor stages, which leads to uneven contact between reactants and catalysts, resulting in decreased mass transfer efficiency. It is understood that the aforementioned solution can ensure sufficient mixing between reactants and catalysts, thereby increasing reaction efficiency.

[0020] In this embodiment, the first side plate assembly and the internal baffle assembly are used to cooperate in forming the multi-stage stepped structure A of the device.

[0021] The first side plate assembly includes front and rear side plates 22 and a right side plate 23. The front and rear side plates 22 are disposed on one side of the internal baffle assembly, and the right side plate 23 is disposed on the lowest point side of the device and has a water outlet 21.

[0022] First, the device needs to be assembled. The assembly process is as follows: The left baffle 1 and the right baffle 3 are glued together from top to bottom between the front and rear side plates 22, leaving space between them. Then, the lower baffle 2 and the perforated baffle 4 are installed. The left baffle 1 is glued to the lower baffle 2, and the right baffle 3 is glued to the perforated baffle 4, forming a continuous "L"-shaped path, completing the highest point of the stepped structure A, which is the first step. Then, according to the reaction requirements, the left baffle 5 is glued to the perforated baffle 4 and the lower baffle 2 at appropriate locations, and then... Install the right baffle 7, leaving space between the left baffle 5 and the right baffle 7, then install the lower baffle 6 and the perforated baffle 8. The left baffle 5 and the lower baffle 6 are glued together, and the right baffle 7 is connected to the perforated baffle 8, forming a continuous "L"-shaped path, completing the second-step structure. Further, according to reaction requirements, select an appropriate position and glue the left baffle 9 to the perforated baffle 8 and the lower baffle 6. Then install the right baffle 11, leaving space between the left baffle 9 and the right baffle 11. Then install the lower baffle 10 and the perforated baffle 12. The left baffle 9 and the... The lower baffle 10 is connected, and the right baffle 11 is connected to the perforated baffle 12, forming a continuous "L"-shaped path, completing the third-stage structure setup; Next, according to reaction requirements, select an appropriate position and glue the left baffle 13 to the perforated baffle 12 and the lower baffle 10, then install the right baffle 15, leaving space between the left baffle 13 and the right baffle 15, then install the lower baffle 14 and the perforated baffle 16, connecting the left baffle 13 to the lower baffle 14, and the right baffle 15 to the perforated baffle 16, forming a continuous "L"-shaped path, completing the fourth-stage structure setup; Then, according to the reaction requirements, select an appropriate position and glue the left side plate 17 to the perforated baffle 16 and the lower baffle 14. Then install the right baffle 19, leaving space between the left baffle 17 and the right baffle 19. Then install the lower baffle 18 and the perforated baffle 20. The left baffle 17 is connected to the lower baffle 18, and the right baffle 19 is connected to the perforated baffle 20, forming a continuous "L"-shaped path, completing the fifth-step structure setting. After installation, glue the left baffle 17 to the perforated baffle 20 and the lower baffle 18. Set the water outlet 21 at an appropriate position on the right side plate 23. The perforated baffle 20 can be installed vertically. During installation, a stepped groove is set on the corresponding baffles on both sides to facilitate the positioning of the uppermost perforated baffle 20. This structure further adds a baffle structure on the basis of the single perforated baffle 20, so that the two baffles at the corresponding positions form a material stacking area, which is convenient for placing the catalyst.

[0023] The left baffle (1, 5, 9, 13, 17), the lower baffle (2, 6, 10, 14, 18), the right baffle (3, 7, 11, 15, 19), and the perforated baffle (4, 8, 12, 16, 20) work together to form multiple stepped structures A.

[0024] Secondly, the left baffles (1, 5, 9, 13, 17), the lower baffles (2, 6, 10, 14, 18), the right baffles (3, 7, 11, 15, 19), and the perforated baffles (4, 8, 12, 16, 20) are fixed together by adhesive bonding. Replacing pipe connections with adhesive bonding and a stepped gradient design avoids interstage blockage and leakage problems.

[0025] Then, a space is reserved between the left baffle (1, 5, 9, 13, 17) and the right baffle (3, 7, 11, 15, 19).

[0026] Furthermore, a connecting pipe is provided on the outside of the water outlet 21 on the right side plate 23. The connecting pipe facilitates connection with external pipes.

[0027] Finally, the stepped structure A can be added or removed according to actual needs. This structure facilitates the design of different interstage height differences to change the liquid storage time and meet the reaction time requirements of different reactions.

[0028] When using this invention to address the problem of insufficient mixing between reactor stages leading to uneven contact between reactants and catalysts, thus reducing mass transfer efficiency, the solution is first pumped into the first highest step structure A during the reaction. As the reaction proceeds, the solution gradually increases. When the liquid level reaches a certain height, it automatically flows into the buffer chamber of the next step under gravity to continue the next stage of the reaction. This allows the internal liquid gravity to serve as the flow driving force, replacing conventional pumps and avoiding the accumulation of fluid resistance. Furthermore, the liquid contacts the solid reactants or catalysts at each stage from bottom to top, ensuring thorough mixing between reactants and catalysts, increasing reaction efficiency. This step-like design allows the reaction to proceed sequentially under different conditions and stages, with each stage optimized for specific reaction requirements. This multi-stage reaction design not only improves the flexibility of the reaction but also significantly enhances the utilization efficiency of solid catalysts, ensuring high efficiency and thoroughness of the reaction. This enables complex multi-step reaction processes and solves the problem of insufficient mixing between reactor stages leading to uneven contact between reactants and catalysts, thus reducing mass transfer efficiency.

[0029] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A multi-stage stepped solid-liquid two-phase intermittent reaction device, comprising a first side plate assembly and an internal baffle assembly, characterized in that: The first side plate assembly includes front and rear side plates and a right side plate. The front and rear side plates are disposed on one side of the internal baffle assembly, and the right side plate is disposed on the lowest point side of the device and has a water outlet hole. The internal baffle assembly includes a left baffle, a lower baffle, a right baffle, and a perforated baffle. The multiple left baffles are arranged in a stepped manner, the multiple lower baffles are disposed on the bottom side of the left baffles, and the multiple right baffles are respectively connected to the multiple perforated baffles and the left baffles. The perforated baffles are disposed between the left baffles and the right baffles and are located above the lower baffles. The left baffle, the lower baffle, the right baffle, and the perforated baffle work together to form multiple stepped structures.

2. The multi-stage stepped solid-liquid two-phase intermittent reaction device as described in claim 1, characterized in that: The left baffle, the lower baffle, the right baffle, and the perforated baffle are fixed together by adhesive bonding.

3. The multi-stage stepped solid-liquid two-phase intermittent reaction device as described in claim 1, characterized in that: A space is reserved between the left baffle and the right baffle.

4. The multi-stage stepped solid-liquid two-phase intermittent reaction device as described in claim 1, characterized in that: A connecting pipe is provided on the outside of the water outlet hole on the right side plate.

5. The multi-stage stepped solid-liquid two-phase intermittent reaction device as described in claim 1, characterized in that... : The stepped structure can be added or removed according to actual needs.

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