A kind of solvent efficient recovery equipment in perfluorinated ion membrane production

Abstract

The utility model relates to the field technical field of automobile relates to a solvent high -efficient recovery equipment in perfluoride ion membrane production, including preheater and evaporimeter, preheater's output with evaporimeter intercommunication, the output of evaporimeter with first connecting pipe intercommunication, the end of first connecting pipe with pump body input intercommunication, the output of pump body with gas -liquid separation gas intercommunication, the lower extreme of preheater is connected with the placement mechanism. Through the placement mechanism will preheater, evaporimeter, pump body and the steady connection of storage agent storage jar, control screw and screw piece can adjust height flexibly, limit the contact of the lower end of gyro wheel and ground, make gyro wheel of the lower end of placement seat move easily, and the stability of heavier gas -liquid separator is enhanced through the clamping plate, gasket and the hoop of reinforcing mechanism, realize whole compact, be convenient for to carry and operate.

Description

Technical Field

[0001] This utility model relates to the technical field of automotive engineering, specifically to a high-efficiency solvent recovery device in the production of perfluorinated ion exchange membranes. Background Technology

[0002] Perfluorinated ion exchange membranes are core materials in proton exchange membrane fuel cells (PEMFC), chlor-alkali industry, water electrolysis for hydrogen production, and other fields. They are typically produced using perfluorosulfonic acid resin solution casting or melt extrusion.

[0003] For example, the solvent recycling device in PVDF membrane production, authorized by announcement number "CN208933240U", solves the problem that existing solvent recycling devices in PVDF membrane production still have trace amounts of extractant components after extraction, and the purity is difficult to guarantee. The above-mentioned low-concentration DMAc recycling and heat recovery technology in the PVDF hollow fiber membrane production process boils the low-concentration DMAc solution in a reboiler under reduced pressure and enters a high-gravity distillation bed. Through the design of process steps, the DMAc is concentrated and purified to be recycled into the PVDF membrane preparation material. At the same time, the high-temperature water generated by the equipment can be recycled back to the PVDF hollow fiber membrane production line to achieve heat energy recycling. Considering that the existing solvent recycling devices in PVDF membrane production have many assembled components, the number of which is limited, and they cannot be uniformly positioned or moved together, resulting in low overall compactness and portability. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing solvent recycling devices in PVDF separation membrane production cannot be uniformly positioned and moved together, resulting in low overall compactness and portability. Therefore, this invention proposes a high-efficiency solvent recovery device for perfluorinated ion exchange membrane production.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency solvent recovery device in the production of perfluorinated ion exchange membranes, comprising a preheater and an evaporator, wherein the output end of the preheater is connected to the evaporator, the output end of the evaporator is connected to a first connecting pipe, the end of the first connecting pipe is connected to the input end of a pump body, the output end of the pump body is connected to a gas-liquid separation gas, and a placement mechanism is connected to the lower end of the preheater.

[0006] This evaporator effectively vaporizes the preheated solvent, ensuring thorough solvent separation under high-temperature conditions. The first connecting pipe is made of high-temperature and corrosion-resistant materials, guaranteeing the stability and safety of the gaseous solvent during transport. The pump, through precise pressure control, efficiently delivers the gaseous solvent to the gas-liquid separator for further processing.

[0007] Preferably, the placement mechanism includes a placement seat, which is threadedly connected to the preheater by bolts, the inner wall of the placement seat is fixedly connected to a screw, the lower end of the screw is threadedly connected to a screw block, and the upper end of the placement seat is fixedly connected to a support seat.

[0008] This placement mechanism effectively supports the preheater and ensures a secure installation via bolt connections, guaranteeing equipment stability during operation. Furthermore, the internal screw and bolt design allows for flexible height adjustment to adapt to different site requirements, further enhancing the equipment's versatility.

[0009] Preferably, the lower end of the placement seat is equipped with rollers, the output end of the gas-liquid separation gas is connected to the second connecting pipe, and the upper end of the placement seat is connected with a reinforcement mechanism.

[0010] The installation of the rollers in this configuration makes the entire device easily movable, allowing users to adjust its position according to actual production needs.

[0011] Preferably, the reinforcement mechanism includes a clamping plate, the lower end of which is fixedly connected to the placement seat, the inner wall of which is fixedly connected to a gasket, and the clamping plate is threadedly connected to a clamping hoist by bolts.

[0012] This reinforcement mechanism further enhances the stability of the equipment. The combination of the clamps and gaskets effectively reduces the impact of vibration on equipment operation, while the clamps ensure the sealing and stability of the gas output end of the gas-liquid separator under high-pressure operating conditions. This structure not only improves the overall safety of the equipment but also extends its service life.

[0013] Preferably, the inner wall of the clamp is tightly abutted against the gas output end of the gas-liquid separation.

[0014] This feature ensures a tight fit between the clamp and the gas output end of the gas-liquid separator, effectively preventing solvent leakage during high-pressure transmission and thus guaranteeing the safety and reliability of the equipment operation.

[0015] Preferably, the end of the second connecting pipe is connected to the condenser inlet pipe, the output end of the condenser is connected to the conduit, the outer wall of the conduit is fitted with a valve, and the end of the conduit is connected to the storage tank.

[0016] The installation of this valve allows for precise control of the solvent flow rate within the conduit, facilitating adjustments by operators based on actual needs. The storage tank design provides a stable storage space for the recovered solvent, preventing changes in the external environment from affecting solvent quality. Furthermore, the storage tank's excellent sealing performance further ensures the purity and safety of the solvent during storage.

[0017] Preferably, the output end of the storage tank is equipped with a discharge port.

[0018] This discharge port design facilitates the rapid discharge of solvent from the storage tank. Its simple structure and easy operation effectively improve production efficiency. The discharge port is also equipped with a sealing device to ensure no solvent leakage occurs when not discharging, further enhancing the safety and reliability of the equipment.

[0019] Preferably, the inner wall of the support base is inserted into the storage tank.

[0020] This design, which connects the support base to the storage tank, not only securely fixes the storage tank, but also features a specially treated inner wall that provides excellent wear resistance.

[0021] The present invention proposes a high-efficiency solvent recovery device for perfluorinated ion exchange membrane production. The advantages are as follows: the preheater, evaporator, pump body and storage tank are stably connected by the placement mechanism; the height of the control screw and screw block can be flexibly adjusted; the contact between the lower end of the roller and the ground is limited; the roller at the lower end of the placement seat makes the equipment easy to move; the reinforcement mechanism enhances the stability of the heavier gas-liquid separator through clamps, gaskets and clamps, achieving a compact overall structure that is easy to transport and operate. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 for Figure 1 Schematic diagram of the structure of the intermediate preheater and evaporator;

[0024] Figure 3 for Figure 1 Schematic diagram of the placement mechanism;

[0025] Figure 4 for Figure 2 Schematic diagram of the reinforcement mechanism;

[0026] Figure 5 for Figure 1 Schematic diagram of the middle plate structure;

[0027] Figure 6 for Figure 1 Schematic diagram of the assembly of the screw and screw block.

[0028] In the diagram: 1. Preheater, 2. Evaporator, 3. First connecting pipe, 4. Pump body, 5. Gas-liquid separator, 6. Placement mechanism, 601. Placement seat, 602. Screw, 603. Screw block, 604. Support seat, 7. Roller, 8. Second connecting pipe, 9. Reinforcing mechanism, 901. Clamping plate, 902. Gasket, 903. Clamp, 10. Condenser, 11. Pipe, 12. Valve, 13. Storage tank, 14. Discharge port. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings:

[0030] Please see Figure 1-6 In this embodiment, a solvent high-efficiency recovery device for perfluorinated ion membrane production includes a preheater 1 and an evaporator 2. The output end of the preheater 1 is connected to the evaporator 2, the output end of the evaporator 2 is connected to the first connecting pipe 3, the end of the first connecting pipe 3 is connected to the input end of the pump body 4, the output end of the pump body 4 is connected to the gas-liquid separation gas 5, and the lower end of the preheater 1 is connected to a placement mechanism 6.

[0031] The placement mechanism 6 includes a placement seat 601, which is threadedly connected to the preheater 1 by bolts. The inner wall of the placement seat 601 is fixedly connected to the screw 602. The lower end of the screw 602 is threadedly connected to the screw block 603. The upper end of the placement seat 601 is fixedly connected to the support seat 604.

[0032] The placement mechanism 601 securely connects the preheater 1, evaporator 2, pump body 4, and storage tank 13. The control screw 603 and screw block 602 can be flexibly adjusted in height, limiting the contact between the lower end of the roller 7 and the ground, so that the roller 7 at the lower end of the placement seat 601 can move the equipment easily. The reinforcement mechanism 9 enhances the stability of the heavier gas-liquid separator 5 through the clamp 901, gasket 902, and clamp 903, achieving an overall compact structure that is easy to handle and operate.

[0033] The lower end of the placement seat 601 is equipped with rollers 7, the output end of the gas-liquid separation gas 5 is connected to the second connecting pipe 8, and the upper end of the placement seat 601 is connected to a reinforcing mechanism 9. The reinforcing mechanism 9 includes a clamping plate 901, the lower end of the clamping plate 901 is fixedly connected to the placement seat 601, the inner wall of the clamping plate 901 is fixedly connected to the gasket 902, and the clamping plate 901 is threadedly connected to the clamp 903 by bolts.

[0034] The inner wall of the clamp 903 is tightly pressed against the output end of the gas-liquid separator 5. The end of the second connecting pipe 8 is connected to the input pipe of the condenser 10. The output end of the condenser 10 is connected to the conduit 11. The outer wall of the conduit 11 is fitted with a valve 12. The end of the conduit 11 is connected to the storage tank 13. The output end of the storage tank 11 is fitted with a discharge port 14. The inner wall of the support 604 is inserted into the storage tank 13.

[0035] Working principle:

[0036] When assembling the solvent recovery equipment in the perfluorinated ion exchange membrane production process, firstly, the lower end of the preheater 1 is threadedly connected to the placement base 601 with bolts to ensure a tight fit, laying the foundation for subsequent assembly. Next, the screw 602 is fixed to the inner wall of the placement base 601, and then the lower end of the screw 602 is threadedly connected to the screw block 603, allowing for flexible height adjustment to accommodate different site requirements. Afterward, the support base 604 is fixed to the upper end of the placement base 601, further enhancing the stability of the placement mechanism in supporting the preheater 1.

[0037] Rollers 7 are installed at the lower end of the placement seat 601 to enable the equipment to move easily and adjust its position according to actual production needs. For the reinforcement mechanism 9, the lower end of the clamping plate 901 is first fixedly connected to the placement seat 601, and then the gasket 902 is fixed to the inner wall of the clamping plate 901 to reduce the impact of vibration. The clamping plate 901 is threadedly connected to the clamp 903 by bolts, and the inner wall of the clamp 903 is tightly pressed against the output end of the gas-liquid separator 5 to reinforce the position.

[0038] Next, the output end of the evaporator 2 is connected to the first connecting pipe 3, the end of the first connecting pipe 3 is connected to the input end of the pump body 4, the output end of the pump body 4 is then connected to the gas-liquid separation gas 5, then one end of the second connecting pipe 8 is connected to the output end of the gas-liquid separation gas 5, the liquid discharge end of the gas-liquid separation gas 5 is connected to the input pipe of the condenser 10, the flue gas outlet of the gas-liquid separation gas 5 is connected to the external adsorption tower for flue gas recovery and processing, the output end of the condenser 10 is connected to the conduit 11, and a valve 12 is installed on the outer wall of the conduit 11 to facilitate control of the solvent flow rate, the end of the conduit 11 is connected to the storage tank 13, and a discharge port 14 is installed at the output end of the storage tank 13.

[0039] In use, the solvent first enters the preheater 1 for preheating, and then enters the evaporator 2 for vaporization. The gaseous solvent is transported by the pump body 4 through the first connecting pipe 3 to the gas-liquid separator 5 for gas-liquid separation. The separated gas enters the condenser 10 through the second connecting pipe 8 and is condensed into liquid. It then flows into the storage tank 13 through the conduit 11 for storage. The operator can control the solvent flow rate through the valve 12. When the solvent is needed, the discharge port 14 can be opened to discharge it. During the assembly and use of the entire equipment, the various components work closely together to achieve efficient solvent recovery.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency solvent recovery device for perfluorinated ion-exchange membrane production, comprising a preheater (1) and an evaporator (2), wherein the output end of the preheater (1) is connected to the evaporator (2), characterized in that: The output end of the evaporator (2) is connected to the first connecting pipe (3), the end of the first connecting pipe (3) is connected to the input end of the pump body (4), the output end of the pump body (4) is connected to the gas-liquid separation gas (5), and the lower end of the preheater (1) is connected to the placement mechanism (6). The placement mechanism (6) includes a placement seat (601), which is threadedly connected to the preheater (1) by bolts. The inner wall of the placement seat (601) is fixedly connected to the screw (602), the lower end of the screw (602) is threadedly connected to the screw block (603), and the upper end of the placement seat (601) is fixedly connected to the support seat (604). The lower end of the placement seat (601) is equipped with a roller (7), the output end of the gas-liquid separation gas (5) is connected to the second connecting pipe (8), and the upper end of the placement seat (601) is connected with a reinforcing mechanism (9).

2. The high-efficiency solvent recovery equipment in the production of perfluorinated ion exchange membranes according to claim 1, characterized in that: The reinforcement mechanism (9) includes a clamp (901), the lower end of which is fixedly connected to the placement seat (601), the inner wall of which is fixedly connected to the gasket (902), and the clamp (901) is threadedly connected to the clamp (903) by bolts.

3. The high-efficiency solvent recovery equipment in the production of perfluorinated ion exchange membranes according to claim 2, characterized in that: The inner wall of the clamp (903) is pressed against the output end of the gas-liquid separation gas (5).

4. The high-efficiency solvent recovery equipment in the production of perfluorinated ion exchange membranes according to claim 3, characterized in that: The end of the second connecting pipe (8) is connected to the input pipe of the condenser (10), the output end of the condenser (10) is connected to the conduit (11), the outer wall of the conduit (11) is connected to a valve (12), and the end of the conduit (11) is connected to the storage tank (13).

5. The high-efficiency solvent recovery equipment in the production of perfluorinated ion exchange membranes according to claim 4, characterized in that: The storage tank (13) is equipped with a discharge port (14) at its output end.

6. The high-efficiency solvent recovery equipment in the production of perfluorinated ion exchange membranes according to claim 5, characterized in that: The inner wall of the support base (604) is inserted into the storage tank (13).

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