Ionic liquid collection device

By using a multi-component flow tube and a hydrophilic and gas-repellent layer design, combined with a circulating pump to drive the condensate and a cleaning component, the problem of wall residue during the condensation process of high-viscosity ionic liquids is solved, achieving efficient recovery and improved purity.

CN224388103UActive Publication Date: 2026-06-23LIAONING PETROCCHEM VOCATIONAL & TECH COLLEGE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIAONING PETROCCHEM VOCATIONAL & TECH COLLEGE
Filing Date
2025-07-24
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

When processing high-viscosity ionic liquids, traditional ionic liquid collection devices are prone to forming liquid films or droplets on the inner wall of the condenser, pipes, and condenser surface during the condensation process, leading to reduced recovery rates and cross-contamination.

Method used

The multi-component flow tube design disperses the ionic liquid vapor into multiple condensers, and a hydrophilic and gas-repellent layer is set on the inner wall of the condenser to enhance the spreadability of the ionic liquid. At the same time, the condensate is circulated and cooled by a circulation pump, and the scraper frame of the cleaning component actively cleans the residue.

Benefits of technology

It significantly improves the recovery rate and purity of high-viscosity ionic liquids, reduces wall-attachment loss, avoids cross-contamination, and is suitable for large-scale collection and high-purity recovery of high-viscosity ionic liquids.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to ionic liquid collection technical field especially relates to a kind of ionic liquid collection collecting device, including diversion tank, shunt, condensing assembly and cleaning assembly, the lower portion of diversion tank is provided with multiple groups of shunt, one end of shunt is provided with condensing assembly, the inside of condensing assembly is provided with cleaning assembly, condensing assembly includes condensing tank, liquidophilic air-avoiding layer, condensing pipe, circulating pipe, circulating pump and conical diversion frame, one end of shunt is provided with condensing tank, the inner wall of condensing tank is provided with liquidophilic air-avoiding layer, the outside of condensing tank is provided with condensing pipe, one end of condensing pipe is provided with circulating pipe, circulating pump is provided on the pipeline of circulating pipe, the lower portion of condensing tank is provided with conical diversion frame;The utility model is through multiple groups of shunt design and liquidophilic air-avoiding material application, solve the technical problem of wall-hanging residual and low recovery rate in high viscosity ionic liquid condensation collection process.
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Description

Technical Field

[0001] This utility model relates to the field of ionic liquid collection technology, and in particular to an ionic liquid collection device. Background Technology

[0002] In the field of ionic liquid collection technology, traditional collection devices typically use condensation to separate and recover ionic liquids. Their core structure includes a flow guide tank, a condenser tank, pipelines, and a condensation system. During operation, high-temperature ionic liquid vapor enters the condenser tank through pipelines, is cooled by the condenser, liquefies, and is finally collected in a storage container. Due to their simple structure and convenient operation, such devices are widely used in chemical synthesis, energy storage, and material recovery.

[0003] However, traditional ionic liquid collection devices have significant drawbacks when processing high-viscosity ionic liquids: ionic liquids generally have high viscosity and high surface tension, making them prone to forming liquid films or droplets on the inner wall of the condenser, pipes, and condenser surface during condensation. Specifically, the inner wall of the condenser in traditional devices is mostly made of ordinary metal or glass, which has poor wettability to ionic liquids, preventing the liquid film from flowing down quickly. At the same time, uneven cooling of the condenser surface and localized overcooling exacerbate droplet adhesion, leading to reduced effective recovery rates and contamination of subsequent batches.

[0004] To address the aforementioned problems, this invention provides an ionic liquid collection device. Through a multi-component flow design and the application of hydrophilic and gas-repellent materials, it solves the technical issues of wall residue and low recovery rate during the condensation and collection process of high-viscosity ionic liquids. Specifically, this invention uses a multi-component flow tube to disperse the ionic liquid vapor into multiple condensation tanks, reducing the throughput of each tank and thus decreasing the liquid film thickness. A hydrophilic and gas-repellent layer is provided on the inner wall of the condensation tank to enhance the spreadability of the ionic liquid, allowing the liquid film to flow down rapidly. This significantly reduces wall residue loss and avoids cross-contamination, making it suitable for large-scale collection and high-purity recovery of high-viscosity ionic liquids. Utility Model Content

[0005] In order to overcome the problem that ionic liquids generally have high viscosity and are prone to forming liquid films or droplets on the inner wall of the device, pipes and condenser surface during the condensation and collection process, which leads to a decrease in effective recovery rate and contamination of subsequent batches, traditional ionic liquid collection devices are used in daily operation.

[0006] The technical solution of this utility model is as follows: an ionic liquid collection device, comprising a flow guide tank, a diversion pipe, a condensation component, and a cleaning component. Multiple diversion pipes are arranged below the flow guide tank. A condensation component is arranged at one end of each diversion pipe, and a cleaning component is arranged inside the condensation component. The condensation component includes a condensation tank, a hydrophilic and gas-repellent layer, a condensation pipe, a circulation pipe, a circulation pump, and a conical flow guide frame. A condensation tank is arranged at one end of the diversion pipe. A hydrophilic and gas-repellent layer is arranged on the inner wall of the condensation tank. A condensation pipe is arranged on the outer side of the condensation tank. A circulation pipe is arranged at one end of the condensation pipe, and a circulation pump is arranged on the circulation pipe. A conical flow guide frame is arranged below the condensation tank.

[0007] Preferably, the ionic liquid in the diversion tank is introduced into multiple sets of condenser tanks through the diversion pipe. The condensate is circulated in the condenser tube and the circulation pipe by starting the circulation pump. The condenser tube surrounds the side wall of the condenser tank to provide a cooling surface. The hydrophilic and gas-repellent layer uses hydrophilic and gas-repellent materials to enhance the spreadability of the ionic liquid on its surface, reduce droplet formation, and allow the liquid film to flow down quickly, reducing the amount of liquid droplets left on the wall. This solves the problem of reduced effective recovery rate caused by liquid droplet residue on the wall, maximizes product recovery, and significantly reduces wall-attached loss.

[0008] Preferably, the cleaning component includes a micro motor and a rotating shaft, with the micro motor located above the condensate tank and the rotating shaft located at the output end of the micro motor.

[0009] Preferably, the cleaning assembly also includes a first gear and a second gear, with the first gear connected to the keyway on the outer side of the shaft, and the second gear provided on one side of the first gear, and the first gear and the second gear meshing together.

[0010] Preferably, the cleaning assembly also includes a scraper frame, which is located below the second gear.

[0011] Preferably, an inlet pipe is installed above the diversion tank, and a delivery pump is installed on the inlet pipe.

[0012] Preferably, a connecting pipe is installed below the conical guide frame, and a valve is installed on the connecting pipe.

[0013] Preferably, a collection box is provided below the connecting pipe.

[0014] The beneficial effects of this utility model are:

[0015] The ionic liquid in the diversion tank is introduced into multiple sets of condenser tanks through the diversion pipe. The condensate is circulated in the condenser tube and the circulation pipe by starting the circulation pump. The condenser tube surrounds the side wall of the condenser tank to provide a cooling surface. The hydrophilic and gas-repellent layer uses hydrophilic and gas-repellent materials to enhance the spreadability of the ionic liquid on its surface, reduce droplet formation, and allow the liquid film to flow down quickly, reducing the amount of liquid droplets left on the wall. This solves the problem of reduced effective recovery rate caused by liquid droplet residue on the wall, maximizes product recovery, and significantly reduces wall-attached loss. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the ionic liquid collection device of this utility model.

[0017] Figure 2 The diagram shown is a first cross-sectional view of the ionic liquid collection device of this utility model.

[0018] Figure 3 The diagram shown is a partial cross-sectional view of the ionic liquid collection device of this utility model.

[0019] Figure 4 The diagram shown is a second cross-sectional view of the ionic liquid collection device of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Flow guide tank; 2. Diverter pipe; 101. Condenser tank; 102. Hygrophilic and gas-repellent layer; 103. Condenser pipe; 104. Circulation pipe; 105. Circulation pump; 106. Conical flow guide frame; 201. Micro motor; 202. Rotating shaft; 203. First gear; 204. Second gear; 205. Scraper frame; 301. Input pipe; 302. Transfer pump; 401. Connecting pipe; 402. Valve; 403. Collection box. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figure 1 and Figure 2This utility model provides an embodiment: an ionic liquid collection device, including a flow guide tank 1, a diversion pipe 2, a condensation assembly, and a cleaning assembly. Multiple diversion pipes 2 are disposed below the flow guide tank 1. A condensation assembly is disposed at one end of each diversion pipe 2, and a cleaning assembly is disposed inside the condensation assembly. The condensation assembly includes a condensation tank 101, a hydrophilic and gas-repellent layer 102, a condensation pipe 103, a circulation pipe 104, a circulation pump 105, and a conical flow guide frame 106. The condensation tank 101 is disposed at one end of each diversion pipe 2. The hydrophilic and gas-repellent layer 102 is disposed on the inner wall of the condensation tank 101, and the condensation pipe 103 is disposed on the outer side of the condensation tank 101. 3. A circulation pipe 104 is provided at one end of the condenser tube 103. A circulation pump 105 is provided on the circulation pipe 104. A conical guide frame 106 is provided below the condenser tank 101. The ionic liquid in the guide tank 1 is introduced into multiple condenser tanks 101 through the diversion pipe 2. The circulation pump 105 is started to drive the condensate to circulate in the condenser tube 103 and the circulation pipe 104. The condenser tube 103 surrounds the side wall of the condenser tank 101 to provide a cooling surface. The hydrophilic and gas-repellent layer 102 uses hydrophilic and gas-repellent materials to enhance the spreadability of the ionic liquid on its surface, reduce droplet formation, and allow the liquid film to flow down quickly, reducing the residue of liquid droplets on the wall.

[0023] Please see Figure 3 and Figure 4 In this embodiment, the cleaning assembly includes a micro motor 201 and a rotating shaft 202. The micro motor 201 is disposed above the condenser tank 101, and the rotating shaft 202 is disposed at the output end of the micro motor 201. The cleaning assembly also includes a first gear 203 and a second gear 204. The first gear 203 is connected to the outer keyway of the rotating shaft 202, and the second gear 204 is disposed on one side of the first gear 203. The first gear 203 and the second gear 204 are meshed together. The cleaning assembly also includes a scraper frame 205. Below the second gear 204 is a scraper frame 205. In use, the micro motor 201 is started to drive the rotating shaft 202 to rotate. The rotating shaft 202 drives the first gear 203 to rotate. The first gear 203 drives the second gear 204 to rotate. The second gear 204 drives the scraper frame 205 to rotate. When the scraper frame 205 rotates, it is in close contact with the conical wall of the conical guide frame 106, scraping away any ionic liquid film or residue that may be attached or accumulated to the bottom outlet.

[0024] An input pipe 301 is installed above the flow guide tank 1, and a transfer pump 302 is installed on the input pipe 301. In use, the transfer pump 302 is started to transport the ionic liquid to the flow guide tank 1 along the input pipe 301. A connecting pipe 401 is installed below the conical flow guide frame 106, and a valve 402 is installed on the connecting pipe 401. A collection box 403 is installed below the connecting pipe 401. In use, the valve 402 controls the opening and closing of the connecting pipe 401, and the ionic liquid is transported to the collection box 403 for collection through the connecting pipe 401.

[0025] During operation, the input pipe 301 is first connected to an external ionic liquid source, and the ionic liquid is temporarily stored in the guide tank 1 by the delivery pump 302. Then, the sealing of the connection between the distribution pipe 2 and each condenser 101 is checked to ensure that the ionic liquid can be evenly distributed. Finally, the circulation pump 105 of the condensation assembly is started to make the condensate circulate in the condensation pipe 103 and the circulation pipe 104 to establish a stable cooling environment. At this time, the hydrophilic and gas-repellent layer 102 on the inner wall of the condenser 101 has the property of promoting the spread of ionic liquid, which is ready for subsequent efficient condensation and recovery.

[0026] During normal collection, the ionic liquid vapor enters the condenser 101 through the multi-component flow pipe 2 below the guide tank 1; the condenser pipe 103 surrounds the side wall of the condenser 101, and the condensate driven by the circulation pump 105 continuously removes heat, causing the vapor to cool and liquefy; the hydrophilic and gas-repellent layer 102 significantly reduces the contact angle between the ionic liquid and the tank wall, allowing the liquid film to flow down the inner wall quickly and reducing wall residue; the liquefied ionic liquid gathers at the conical guide frame 106 at the bottom of the condenser 101, and is guided to the connecting pipe 401 through the conical structure; at this time, the operator can control the opening of the connecting pipe 401 through the valve 402 to transport the ionic liquid to the collection box 403 to complete the initial collection;

[0027] For high-viscosity ionic liquids or trace residues that may appear after long-term use, the cleaning component needs to be activated: by controlling the micro motor 201 to drive the rotating shaft 202 to rotate, the first gear 203 and the second gear 204 on the rotating shaft 202 mesh and drive the scraper frame 205 to rotate along the inner wall of the conical guide frame 106; the scraper frame 205 closely adheres to the conical wall surface and scrapes the attached or accumulated ionic liquid film and residues to the bottom outlet, ensuring that there are no residues in the condenser tank 101; after cleaning, the micro motor 201 is turned off, the valve 402 is readjusted, and the next batch collection cycle can begin; the above steps significantly improve the recovery rate and purity of high-viscosity ionic liquids through the synergistic effect of diversion to reduce the single tank processing capacity, the hydrophilic and gas-repellent layer 102 to reduce droplet adhesion to the wall, and active scraping to clean residues.

[0028] Through the above steps, the ionic liquid in the diversion tank 1 is introduced into multiple sets of condenser tanks 101 by the diversion pipe 2. The circulation pump 105 is started to drive the condensate to circulate in the condenser pipe 103 and the circulation pipe 104. The condenser pipe 103 surrounds the side wall of the condenser tank 101 to provide a cooling surface. The hydrophilic and gas-repellent layer 102 uses hydrophilic and gas-repellent materials to enhance the spreadability of the ionic liquid on its surface, reduce droplet formation, and allow the liquid film to flow down quickly, reducing the residue of droplets on the wall. This solves the problem of reduced effective recovery rate caused by the residue of ionic liquid droplets on the wall, maximizes product recovery, and significantly reduces wall-attached loss.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An ionic liquid collection device, comprising a flow guide tank (1), characterized in that: It also includes a diversion pipe (2), a condensation component and a cleaning component. Multiple diversion pipes (2) are provided below the flow guide tank (1). A condensation component is provided at one end of the diversion pipe (2). A cleaning component is provided inside the condensation component. The condensation component includes a condensation tank (101), a hydrophilic and gas-repellent layer (102), a condensation pipe (103), a circulation pipe (104), a circulation pump (105) and a conical guide frame (106). A condensation tank (101) is provided at one end of the diversion pipe (2). A hydrophilic and gas-repellent layer (102) is provided on the inner wall of the condensation tank (101). A condensation pipe (103) is provided on the outer side of the condensation tank (101). A circulation pipe (104) is provided at one end of the condensation pipe (103). A circulation pump (105) is provided on the pipeline of the circulation pipe (104). A conical guide frame (106) is provided below the condensation tank (101).

2. The ionic liquid collection device according to claim 1, characterized in that: The cleaning assembly includes a micro motor (201) and a rotating shaft (202). The micro motor (201) is located above the condenser tank (101), and the rotating shaft (202) is located at the output end of the micro motor (201).

3. The ionic liquid collection device according to claim 2, characterized in that: The cleaning assembly also includes a first gear (203) and a second gear (204). The first gear (203) is connected to the keyway on the outer side of the rotating shaft (202). The second gear (204) is provided on one side of the first gear (203). The first gear (203) and the second gear (204) are meshed together.

4. The ionic liquid collection device according to claim 3, characterized in that: The cleaning assembly also includes a scraper frame (205), which is located below the second gear (204).

5. The ionic liquid collection device according to claim 1, characterized in that: An inlet pipe (301) is provided above the flow tank (1), and a delivery pump (302) is provided on the pipeline of the inlet pipe (301).

6. The ionic liquid collection device according to claim 1, characterized in that: A connecting pipe (401) is provided below the conical guide frame (106), and a valve (402) is provided on the connecting pipe (401).

7. The ionic liquid collection device according to claim 6, characterized in that: A collection box (403) is provided below the connecting pipe (401).