CN215028429U - Preparation device of sulfonic acid resin dispersion liquid - Google Patents

Abstract

The utility model belongs to the technical field of fuel cell material preparation, specifically disclose a preparation facilities of sulfonic acid resin dispersion, the preparation facilities of sulfonic acid resin dispersion includes pretreatment unit and concentrated unit, and pretreatment unit is used for dissolving solid sulfonic acid resin, and concentrated unit includes the third cauldron body and first stirring subassembly, and the first cauldron body links to each other with pretreatment unit, and first stirring subassembly part at least stretches into the internal with the stirring of first cauldron solution in the first cauldron. The utility model discloses a preparation facilities of sulfonic acid resin dispersion need not also can carry out the preparation of sulfonic acid resin dispersion under high temperature high pressure environment, and the resin dispersion of preparation has solid content and viscosity controllable, and the particle diameter is little and distribute evenly, reduces the production energy consumption simultaneously and avoids producing the potential safety hazard.

Description

Preparation device of sulfonic acid resin dispersion liquid

Technical Field

The utility model relates to a fuel cell material preparation technical field, concretely relates to preparation facilities of sulfonic acid resin dispersion.

Background

The fuel cell is a clean, efficient and quiet electrochemical power generation device, and the perfluorinated sulfonic acid resin proton exchange membrane fuel cell has good application prospect in industries such as mobile appliances, automobiles and the like due to the advantages of low operation temperature, high specific power, environmental friendliness and the like. The perfluorinated sulfonic acid resin and the sulfonic acid resin dispersion liquid are key materials for preparing the proton exchange membrane fuel cell, the sulfonic acid resin dispersion liquid is a key process for preparing the proton exchange membrane, and the performance characteristics of the sulfonic acid resin dispersion liquid are closely related to the overall output performance of the proton exchange membrane, the catalyst and the fuel cell.

SUMMERY OF THE UTILITY MODEL

The present invention is made based on the discovery and recognition by the inventors of the following facts and problems:

a device for sulfonic acid resin solution is disclosed in the related art. The device includes high-pressure batch autoclave, high-pressure batch autoclave's upper end terminal surface on be equipped with charge valve, pressure display, temperature monitor and electric heater power binding post in proper order, high-pressure batch autoclave in be equipped with an electric heater, the invasion of air in the high-pressure batch autoclave can be eliminated to the device for sulfonic acid resin solution among this correlation technique, has ensured the quality of product in the production process. However, the inventors of the present application have found that the apparatus for sulfonic acid resin solution in the related art needs to be produced in a high-temperature and high-pressure environment, and has high production energy consumption and a safety hazard.

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a preparation facilities of sulfonic acid resin dispersion need not also to carry out the preparation of sulfonic acid resin dispersion under high temperature high pressure environment, and the resin dispersion of preparation has solid content and viscosity controllable, and the particle diameter is little and distribute evenly, reduces the production energy consumption simultaneously and avoids producing the potential safety hazard. The utility model discloses preparation facilities of sulfonic acid resin dispersion, include: a pretreatment unit for dissolving a solid sulfonic acid resin; the concentration unit comprises a first kettle body and a first stirring assembly, the first kettle body is connected with the pretreatment unit, and at least part of the first stirring assembly extends into the first kettle body to stir the solution in the first kettle body.

The utility model discloses preparation facilities of sulfonic acid resin dispersion need not also can carry out the preparation of sulfonic acid resin dispersion under high temperature high pressure environment, reduces the production energy consumption and avoids producing the potential safety hazard.

In some embodiments, the pretreatment unit includes a reaction kettle and a second stirring assembly, the second stirring assembly at least partially extends into the reaction kettle to stir the solid sulfonic acid resin, the reaction kettle includes a third kettle body and a fourth kettle body, the third kettle body is sleeved outside the fourth kettle body, a cavity is formed between the third kettle body and the fourth kettle body, the cavity is used for containing a heating medium, and the heating medium is used for heating the solid sulfonic acid resin in the fourth kettle body.

In some embodiments, the third kettle body is provided with a first inlet and a first outlet, the first inlet is suitable for being connected with an outlet of a heating medium source, and the first outlet is suitable for being communicated with an inlet of the heating medium source.

In some embodiments, the apparatus for preparing the sulfonic acid resin dispersion further comprises a heating component, wherein the heating component is connected with the reaction kettle and is used for heating the heating medium.

In some embodiments, the apparatus for preparing a sulfonic acid resin dispersion further comprises a first condenser, and one end of the first condenser is communicated with the reaction kettle.

In some embodiments, the second stirring assembly includes a second driver and a second stirring shaft, one end of the second stirring shaft at least partially extends into the reaction kettle to stir the solution in the reaction kettle, and the second driver is connected to the other end of the second stirring shaft to drive the second stirring shaft to rotate.

In some embodiments, the apparatus for preparing a sulfonic acid resin dispersion further comprises a pump, one end of the pump is communicated with the reaction kettle, and the other end of the pump is communicated with the first kettle body.

In some embodiments, the concentration unit further comprises a second condenser and a second kettle body, wherein one end of the second condenser is communicated with the first kettle body, and the other end of the second condenser is communicated with the second kettle body.

In some embodiments, the second kettle body is provided with a second inlet, one end of the second inlet is suitable for being connected with a vacuum source, and the other end of the second inlet is communicated with the first kettle body.

In some embodiments, the first stirring assembly includes a first driver and a first stirring shaft, one end of the first stirring shaft at least partially extends into the first tank body to stir the solution in the first tank body, and the first driver is connected to the other end of the first stirring shaft to drive the first stirring shaft to rotate.

Drawings

Fig. 1 is a schematic structural view of a sulfonic acid resin dispersion liquid preparation apparatus according to an embodiment of the present invention.

Fig. 2 is a performance test chart of the resin dispersion liquid prepared by the apparatus for preparing a sulfonic acid resin dispersion liquid according to the embodiment of the present invention.

Reference numerals:

the pretreatment unit 100, the concentration unit 200,

a first kettle body 1, a third inlet 11, a third discharge hole 12,

a first stirring assembly 2, a first driver 21, a first stirring shaft 22,

a reaction kettle 3, a third kettle body 31, a first inlet 311, a first outlet 312, a fourth kettle body 32, a cavity 33, a sealing cover 34, a charging hole 35, a first discharging hole 36,

a second stirring assembly 4, a second driver 41, a second stirring shaft 42,

a heating element 5, a first condenser 6, a pump 7, a second condenser 8,

a second kettle body 9, a second inlet 91 and a second discharge port 92.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1, the apparatus for preparing a sulfonic acid resin dispersion according to an embodiment of the present invention includes a pretreatment unit 100 and a concentration unit 200.

The pretreatment unit 100 is used to dissolve the solid sulfonic acid resin.

The pretreatment unit 100 dissolves the solid sulfonic acid resin into the solvent to form a liquid sulfonic acid resin solution.

The concentration unit 200 comprises a first kettle body 1 and a first stirring assembly 2, wherein the first kettle body 1 is connected with the pretreatment unit 100, and at least part of the first stirring assembly 2 extends into the first kettle body 1 to stir the solution in the first kettle body 1.

The first kettle 1 is made of glass.

Specifically, as shown in fig. 1, a third inlet 11 is provided at the top of the first kettle 1, the third inlet 11 is connected to the pretreatment unit 100, and the lower end of the first stirring assembly 2 extends into the first kettle 1 to stir the solution discharged from the pretreatment unit 100, where it is noted that the concentration mode adopted by the concentration unit 200 is reduced pressure concentration.

The utility model discloses preparation facilities of sulfonic acid resin dispersion, be equipped with preprocessing unit 100, can dissolve solid sulfonic acid resin for the first time, the crystal lattice ability of solid sulfonic acid resin has been destroyed, the crystallinity of solid sulfonic acid resin has been reduced, concentrate dissolving the liquid through concentrated unit 200, concentrate to gum gel, redissolve gum gel and obtain the sulfonic acid resin dispersion, thereby need not also to carry out the preparation of sulfonic acid resin dispersion under high temperature high pressure environment, reduce the production energy consumption and avoid production potential safety hazard, can also reduce the particle size of sulfonic acid resin dispersion, make particle size distribution more even, can also control the solid content and the viscosity of sulfonic acid resin dispersion.

In some embodiments, the pretreatment unit 100 includes a reaction kettle 3 and a second stirring assembly 4, the second stirring assembly 4 at least partially extends into the reaction kettle 3 to stir the solid sulfonic acid resin, the reaction kettle 3 includes a third kettle body 31 and a fourth kettle body 32, the third kettle body 31 is sleeved outside the fourth kettle body 32, a cavity 33 is formed between the third kettle body 31 and the fourth kettle body 32, the cavity 33 is used for containing a heating medium, and the heating medium is used for heating the solid sulfonic acid resin in the fourth kettle body.

The material of reaction vessel 3 is glass.

Specifically, as shown in fig. 1, the pretreatment unit 100 further includes a frame, the reaction kettle 3 is disposed on the frame, a containing cavity is disposed inside the reaction kettle 3, the containing cavity is used for storing the solid sulfonic acid resin and a solution for dissolving the sulfonic acid resin, and the lower end of the second stirring assembly 4 extends into the reaction kettle 3. The lower end of reaction kettle 3 is provided with a first discharge port 36, and first discharge port 36 is communicated with third inlet 11 through a pipeline.

The accommodating cavity is formed in the fourth kettle body 32, the third kettle body 31 is sleeved outside the fourth kettle body 32, a cavity 33 is defined by an inner side surface of the third kettle body 31 and an outer side surface of the fourth kettle body 32, it should be noted that the cavity 33 is a sealed cavity, and a heating medium is stored in the cavity 33, specifically, the heating medium is oil, and it can be understood that the heating medium can also be water.

Preferably, a filter (not shown) is further provided at the first drain port 36 for filtering the solution discharged from the first drain port 36.

The utility model discloses preparation facilities of sulfonic acid resin dispersion is equipped with reation kettle 3 and second stirring subassembly 4, can improve the speed that solid sulfonic acid resin dissolved, improves the preparation efficiency of sulfonic acid resin dispersion. The third kettle body 31 and the fourth kettle body 32 are arranged, a sealed cavity 33 is arranged between the third kettle body 31 and the fourth kettle body 32, a heating medium is arranged in the cavity 33, and the solid sulfonic acid resin and the solution in the containing cavity in the fourth kettle body 32 can be uniformly heated, so that the dissolving speed of the solid sulfonic acid resin is accelerated.

In some embodiments, the third kettle 31 is provided with a first inlet 311 and a first outlet 312, the first inlet 311 is adapted to be connected to an outlet of the heating medium source, and the first outlet 312 is adapted to be communicated with an inlet of the heating medium source.

Specifically, as shown in fig. 1, the first outlet 312 is provided below the first inlet 311, one end of the first inlet 311 communicates with the outlet of the heating medium source, the other end of the first inlet 311 communicates with the cavity 33, one end of the first outlet 312 communicates with the cavity 33, and the other end of the first outlet 312 communicates with the inlet of the heating medium source.

The utility model discloses preparation facilities of sulfonic acid resin dispersion is equipped with first import 311 and first export 312, and first import 311 and first export 312 respectively with the export and the import intercommunication in heating medium source, recycles heating medium to adjustment heating temperature can also keep heating temperature, and then improves solid sulfonic acid resin's dissolution efficiency.

In some embodiments, the apparatus for preparing the sulfonic acid resin dispersion further comprises a heating unit 5, wherein the heating unit 5 is connected to the reaction vessel 3, and the heating unit 5 is used for heating the heating medium.

It should be noted that the heating member 5 may be a heating wire or a thermocouple. It will be appreciated that the heating member 5 may also be other existing heaters.

Specifically, as shown in fig. 1, the heating member 5 is connected to the third kettle 31, the number of the heating member 5 is multiple, and the multiple heating members 5 are arranged on the third kettle 31 at intervals in the vertical direction. It is understood that there may be one heating member 5, and one heating member 5 may surround the third kettle 31 in the up-down direction.

The utility model discloses, be equipped with heater block 5, can heat the heating medium in cavity 33, be equipped with a plurality of heater blocks 5, and a plurality of heater blocks 5 interval arrangement on the up-and-down direction is on third cauldron body 31, can improve the heating efficiency to heating medium, makes heating medium be heated more evenly to improve solid sulfonic acid resin's dissolution efficiency.

In some embodiments, the apparatus for preparing a sulfonic acid resin dispersion further comprises a first condenser 6, and one end of the first condenser 6 is communicated with the reaction tank 3.

Specifically, as shown in fig. 1, a sealing cover 34 is provided at the top of the reaction kettle 3, the sealing cover 34 is used for sealing and opening the accommodating cavity, the first condenser 6 is provided on the sealing cover 34, and the lower end of the first condenser 6 is communicated with the accommodating cavity.

The utility model discloses preparation facilities of sulfonic acid resin dispersion, first condenser 6 can retrieve and make the solvent after the condensation flow in again and hold the intracavity with holding the volatile solvent condensation in the intracavity to the loss of solvent has been reduced.

In some embodiments, the sealing cover 34 is further provided with a feed port 35, the feed port 35 is connected to the outside and the inside of the accommodating chamber, and the solid sulfonic acid resin and the solvent can be added into the accommodating chamber through the feed port 35.

In some embodiments, second stirring assembly 4 includes a second driver 41 and a second stirring shaft 42, one end of second stirring shaft 42 at least partially extends into reaction tank 3 to stir the solution in reaction tank 3, and second driver 41 is connected to the other end of second stirring shaft 42 to rotate second stirring shaft 42.

Specifically, as shown in fig. 1, the second driver 41 is fixed on the frame, an output shaft of the second driver 41 is connected to an upper end of the second stirring shaft 42, the second stirring shaft 42 extends in the up-down direction, a lower end of the second stirring shaft 42 penetrates through the sealing cover 34 and extends into the accommodating cavity, and one end of the second stirring shaft 42 extending into the accommodating cavity is provided with a stirring blade.

The utility model discloses preparation facilities of sulfonic acid resin dispersion is equipped with second (mixing) shaft 42, can stir the solid sulfonic acid resin and the solvent that receive the intracavity in reation kettle 3, improves solid sulfonic acid resin's dissolution efficiency.

In some embodiments, the apparatus for preparing a sulfonic acid resin dispersion further comprises a pump 7, one end of the pump 7 is communicated with the reaction kettle 3, and the other end of the pump 7 is communicated with the first kettle body 1.

Specifically, as shown in fig. 1, the left end of the pump 7 is communicated with the first discharging port 36 through a pipeline, the right end of the pump 7 is communicated with the third inlet 11 through a pipeline, and the solution in the containing cavity can be input into the first kettle body 1 through the pump 7, so that the preparation efficiency of the sulfonic acid resin dispersion liquid is improved.

In some embodiments, the concentration unit 200 further includes a second condenser 8 and a second kettle 9, one end of the second condenser 8 is communicated with the first kettle 1, and the other end of the second condenser 8 is communicated with the second kettle 9.

It should be noted that the second condenser 8 is a condensation pipe, and it is understood that the second condenser 8 may be other types of condensers.

Specifically, as shown in fig. 1, the left end of the second condenser 8 is communicated with the first kettle body 1, and the right end of the second condenser 8 is communicated with the second kettle body 9.

The utility model discloses preparation facilities of sulfonic acid resin dispersion is equipped with second condenser 8, can condense the volatile solvent in the first cauldron body 1 and retrieve, improves the utilization ratio of solvent.

In some embodiments, the second kettle 9 has a second inlet 91, one end of the second inlet 91 is suitable for connecting to a vacuum source (not shown), and the other end of the second inlet 91 is connected to the first kettle 1.

Specifically, as shown in fig. 1, the second inlet 91 is connected to a vacuum source, and the vacuum source reduces the air pressure of the first kettle 1 and the second kettle 9 through the second inlet 91, so as to reduce the boiling point of the solvent in the first kettle 1, thereby increasing the gelation rate of the sulfonic acid resin.

In some embodiments, the first stirring assembly 2 includes a first driver 21 and a first stirring shaft 22, one end of the first stirring shaft 22 at least partially extends into the first tank 1 to stir the solution in the first tank 1, and the first driver 21 is connected to the other end of the first stirring shaft 22 to drive the first stirring shaft 22 to rotate.

Specifically, as shown in fig. 1, the first stirring shaft 22 extends in the up-down direction, the lower end of the first stirring shaft 22 extends into the first kettle body 1, one end of the first stirring shaft 22 extending into the first kettle body 1 is provided with a stirring blade, and the upper end of the first stirring shaft 22 is connected to the output shaft of the first driver 21.

The utility model discloses, be equipped with first (mixing) shaft 22, can improve the concentrated gel speed of the internal 1 interior solution of first cauldron, improve the preparation efficiency of sulfonic acid resin dispersion.

In some embodiments, the bottom of the second kettle 9 is further provided with a second discharge port 92, and the second discharge port 92 is connected with the reaction kettle 3 through a pipeline, so that the solvent for dissolving the solid sulfonic acid resin can be recycled, the utilization rate of the solvent is improved, and the loss of raw materials is reduced.

In some embodiments, the bottom of the first kettle body 1 is further provided with a third discharge port 12, and the sulfonic acid resin dispersion in the first kettle body 1 can be discharged out of the first kettle body 1 through the third discharge port 12.

The operation of the apparatus for producing a sulfonic acid resin dispersion according to the embodiment of the present invention will be described with reference to fig. 1.

Throwing solid sulfonic acid resin and solvent into reation kettle 3, pour into heating medium into through first import 311, start heating element 5 and heat heating medium, heating medium heats solid sulfonic acid resin and solvent in reation kettle 3, start second stirring subassembly 4 afterwards, second (mixing) shaft 42 stirs solid sulfonic acid resin and solvent, after solid sulfonic acid resin is whole to be dissolved, close second stirring subassembly 4 and stop the stirring, after the certain time of stewing, sulfonic acid resin solution gets into in the first cauldron body 1 through first drain hole 36 and pump 7 in proper order, thereby accomplish the preliminary treatment of solid sulfonic acid resin.

Starting the first stirring assembly 2, stirring the dissolved solution in the first kettle body 1 by the first stirring assembly 2, starting the vacuum source, decompressing and concentrating the dissolved solution by the vacuum source, concentrating the dissolved solution until gel appears, stopping concentrating, and finishing the concentration of the dissolved solution. The solvent volatilized in the first kettle body 1 is condensed and recovered by the second condenser 8 to form a liquid solvent, and the liquid solvent is reintroduced into the second kettle body 9 or the reaction kettle 3.

And (3) storing the sulfonic acid resin gel formed by concentration into the first kettle body 1, adding a certain proportion of solvent into the first kettle body 1, and starting the first stirring assembly 2 to mix the sulfonic acid resin gel and the solvent to finally form the sulfonic acid resin dispersion liquid with a certain solid content.

The advantageous effects of the sulfonic acid resin dispersion prepared by the apparatus for preparing a sulfonic acid resin dispersion of the embodiment of the present invention will be described below with reference to fig. 2.

As shown in fig. 2, the abscissa in fig. 2 represents the particle diameter of the resin solution, and the ordinate represents the scattering intensity during the test, and it is understood from fig. 2 that the particle diameter in the resin dispersion is small and the distribution is uniform.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or 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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. An apparatus for producing a sulfonic acid resin dispersion, comprising:

a pretreatment unit for dissolving a solid sulfonic acid resin;

the concentration unit comprises a first kettle body and a first stirring assembly, the first kettle body is connected with the pretreatment unit, and at least part of the first stirring assembly extends into the first kettle body to stir the solution in the first kettle body.

2. The apparatus according to claim 1, wherein the pretreatment unit includes a reaction tank and a second stirring member that at least partially protrudes into the reaction tank to stir the solid sulfonic acid resin,

the reaction kettle comprises a third kettle body and a fourth kettle body, the third kettle body is sleeved with the fourth kettle body, a cavity is formed between the third kettle body and the fourth kettle body, and the cavity is used for containing a heating medium which is used for heating the fourth kettle body with the solid sulfonic acid resin.

3. The apparatus according to claim 2, wherein the third tank has a first inlet and a first outlet, the first inlet is adapted to be connected to an outlet of a heating medium source, and the first outlet is adapted to be connected to an inlet of the heating medium source.

4. The apparatus according to claim 2, further comprising a heating unit connected to the reaction vessel, wherein the heating unit is configured to heat the heating medium.

5. The apparatus according to claim 2, further comprising a first condenser, one end of which is in communication with the reaction vessel.

6. The apparatus according to claim 2, wherein the second stirring assembly includes a second driver and a second stirring shaft, one end of the second stirring shaft extends into the reaction kettle to stir the solution in the reaction kettle, and the second driver is connected to the other end of the second stirring shaft to drive the second stirring shaft to rotate.

7. The apparatus according to claim 6, further comprising a pump, wherein one end of the pump is in communication with the reaction vessel, and the other end of the pump is in communication with the first vessel.

8. The apparatus according to claim 1, wherein the concentration unit further comprises a second condenser and a second kettle, one end of the second condenser is communicated with the first kettle, and the other end of the second condenser is communicated with the second kettle.

9. The apparatus of claim 8, wherein the second vessel has a second inlet, one end of the second inlet is adapted to be connected to a vacuum source, and the other end of the second inlet is in communication with the first vessel.

10. The apparatus according to any one of claims 1 to 9, wherein the first stirring assembly includes a first driver and a first stirring shaft, one end of the first stirring shaft at least partially protrudes into the first tank to stir the solution in the first tank, and the first driver is connected to the other end of the first stirring shaft to rotate the first stirring shaft.

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