Slurry processing method, system and device, storage medium and electronic equipment

Abstract

The invention discloses a slurry treatment method, system and device, a storage medium and electronic equipment. The method comprises the steps that first equipment is controlled to enable slurry to flow into a conveying pipeline, the conveying pipeline is at least provided with a bubble detector, and the conveying pipeline is used for conveying the slurry from the first equipment to second equipment; controlling a bubble detector to detect the slurry to obtain a bubble detection result; under the condition that the bubble detection result is that the bubbles do not reach the standard, controlling the bubble backflow pipeline to enable the slurry to flow back to the first equipment, and controlling the first equipment to retreat the slurry; and under the condition that the bubble detection result is that the bubbles reach the standard, the slurry is kept being conveyed to the second equipment in the conveying pipeline. The technical problem that the slurry performance is not ideal in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the field of membrane electrode production technology, and in particular to a slurry processing method, system, device, storage medium and electronic equipment. Background Art

[0002] In fuel cell technology, the membrane electrode is composed of a proton exchange membrane, a cathode catalyst layer and an cathode gas diffusion layer, and the design of the catalyst layer is directly related to the electrochemical catalytic performance of the membrane electrode. The catalyst layer is often prepared from a carbon-supported platinum catalyst, a polymer binder and a solvent. The state of the slurry has a great influence on the coating process. In related technologies, an offline test method is usually used to take out the slurry for performance testing, which is inconsistent with the state of the slurry in the tank and pipeline, and the actual state of the slurry is not accurately perceived, resulting in the flow of slurry with unsatisfactory performance into the coating process, resulting in an increase in the battery scrap rate.

[0003] To address the above-mentioned problems, no effective solution has been proposed yet. Summary of the invention

[0004] The embodiments of the present invention provide a slurry processing method, system, device, storage medium and electronic device to at least solve the technical problem of unsatisfactory slurry performance in the related art.

[0005] According to one aspect of an embodiment of the present invention, a slurry processing method is provided, comprising: controlling a first device to flow slurry into a conveying pipeline, wherein the conveying pipeline is provided with at least a bubble detector, and the conveying pipeline is used to convey the slurry from the first device to a second device; controlling the bubble detector to detect the slurry to obtain a bubble detection result; when the bubble detection result is that the bubbles do not meet the standard, controlling the bubble reflux pipeline to reflux the slurry to the first device, and controlling the first device to reprocess the slurry; when the bubble detection result is that the bubbles meet the standard, maintaining the slurry in the conveying pipeline to be conveyed to the second device.

[0006] Optionally, controlling the bubble detector to detect the slurry to obtain a bubble detection result includes: using the bubble detector to determine the number and size of bubbles in the slurry; and determining that the bubble detection result is substandard when the number of bubbles is greater than a predetermined number threshold or the bubble size is greater than a predetermined size threshold.

[0007] Optionally, the conveying pipeline is also provided with a viscosity detector before the bubble detector, and the viscosity detector is connected to the first device through a viscosity return pipe. After the first device is controlled to flow the slurry into the conveying pipeline, the method further includes: using the viscosity detector to determine the viscosity of the slurry; when the viscosity is less than or equal to a predetermined viscosity threshold, determining that the viscosity test result of the slurry is that the viscosity meets the standard, and maintaining the slurry in the conveying pipeline; when the viscosity is greater than the predetermined viscosity threshold, determining that the viscosity test result of the slurry is that the viscosity does not meet the standard, and controlling the viscosity return pipe to return the slurry to the first device, and controlling the first device to reprocess the slurry.

[0008] Optionally, the conveying pipeline is also provided with a particle size detector before the bubble detector, and the particle size detector is connected to the first device through a particle size return pipe. After the first device is controlled to flow the slurry into the conveying pipeline, the method further includes: using the particle size detector to determine the particle size of the slurry; when the particle size is less than or equal to a predetermined particle size threshold, determining that the particle size detection result of the slurry is up to standard, and keeping the slurry being transported in the conveying pipeline; when the particle size is greater than the predetermined particle size threshold, determining that the particle size detection result of the slurry is not up to standard, controlling the particle size return pipe to return the slurry to the first device, and controlling the first device to reprocess the slurry.

[0009] Optionally, a viscosity detector is also provided on the conveying pipeline, and the first device includes a stirring device. The controlling the first device to reprocess the slurry includes: obtaining a viscosity detection result of the viscosity detector; determining a stirring correction parameter based on the viscosity detection result; and using the stirring correction parameter to control the stirring device to reprocess the slurry.

[0010] Optionally, a nano-disperser, a particle size detector, a homogenizer, and the bubble detector are sequentially arranged on the conveying pipeline, and the method further includes: determining a first adjustment parameter based on a particle size detection result of the particle size detector, and using the first adjustment parameter to adjust the nano-disperser; and / or, determining a second adjustment parameter based on the bubble detection result, and using the second adjustment parameter to adjust the homogenizer.

[0011] Optionally, when the bubble detection result is that the bubbles do not meet the standard, the method further includes: determining the duration of the bubble detection result that the bubbles do not meet the standard; and when the duration is greater than a predetermined duration threshold, sending a prompt message indicating that there is a bubble abnormality in the slurry.

[0012] According to another aspect of an embodiment of the present invention, a slurry processing system is provided, including: a first device, a conveying pipeline, a bubble detector, a bubble return pipeline, a second device, and a controller, wherein the bubble detector is arranged on the conveying pipeline, the first device and the second device are connected through the conveying pipeline, the bubble return pipeline is used to connect the bubble detector and the first device, the first device is used to process the slurry; the controller is connected to the first device, and is used to control the first device to flow the slurry into the conveying pipeline; the bubble detector is connected to the controller, and is used to detect the slurry, obtain a bubble detection result, and send the bubble detection result to the controller; the controller is also used to control the bubble return pipeline to return the slurry to the first device when the bubble detection result is that the bubbles do not meet the standards, and control the first device to reprocess the slurry; when the bubble detection result is that the bubbles meet the standards, the slurry is kept in the conveying pipeline and transported to the second device.

[0013] Optionally, the first device is a slurry storage device, a stirring device is provided in the first device, the second device is a coating device, and a viscosity detector, a nano-disperser, a particle size detector, a homogenizer, and the bubble detector are sequentially provided on the conveying pipeline, the viscosity detector is connected to the first device through a viscosity reflux pipeline, the particle size detector is connected to the first device through a particle size reflux pipeline, the nano-disperser is connected to the controller for responding to the control of the controller to adjust the particle size of the slurry; the homogenizer is connected to the controller for responding to the control of the controller to degas the slurry.

[0014] According to another aspect of an embodiment of the present invention, there is provided a slurry processing device, comprising: a first conveying module, used to control a first device to flow slurry into a conveying pipe, wherein the conveying pipe is provided with at least a bubble detector, and the conveying pipe is used to convey the slurry from the first device to a second device; a bubble detection module, used to control the bubble detector to detect the slurry and obtain a bubble detection result; a reprocessing module, used to control a bubble reflux pipe to reflux the slurry to the first device and control the first device to reprocess the slurry when the bubble detection result is that the bubbles do not meet the standards; and a second conveying module, used to keep the slurry in the conveying pipe and convey it to the second device when the bubble detection result is that the bubbles meet the standards.

[0015] In an embodiment of the present invention, the slurry is flowed into a delivery pipeline by controlling a first device, wherein the delivery pipeline is provided with at least a bubble detector, and the delivery pipeline is used to deliver the slurry from the first device to the second device; the bubble detector is controlled to detect the slurry to obtain a bubble detection result; when the bubble detection result is that the bubbles do not meet the standard, the bubble reflux pipeline is controlled to return the slurry to the first device, and the first device is controlled to reprocess the slurry; when the bubble detection result is that the bubbles meet the standard, the slurry is kept in the delivery pipeline to be delivered to the second device. The purpose of improving the detection capability of the state of the slurry in the preparation pipeline through an online detection method is achieved, and the technical effect of improving the slurry performance is achieved, thereby solving the technical problem of unsatisfactory slurry performance in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 is a flow chart of an optional slurry treatment method provided according to an embodiment of the present invention;

[0018] Figure 2 is a schematic flow chart of an optional slurry treatment method provided according to an embodiment of the present invention;

[0019] Figure 3 is a schematic diagram of an optional slurry processing system provided according to an embodiment of the present invention;

[0020] Figure 4 is a schematic diagram of an optional slurry processing system provided according to an embodiment of the present invention;

[0021] Figure 5 is a schematic diagram of an optional slurry processing device provided according to an embodiment of the present invention. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] For the convenience of description, some nouns or terms involved in the embodiments of the present application are explained below:

[0025] Proton Exchange Membrane Fuel Cell (PEMFC) is a common type of fuel cell that uses a proton exchange membrane as an electrolyte to convert hydrogen and oxygen into electricity and water.

[0026] Membrane electrode, an important component in proton membrane fuel cells, includes anode and cathode. The anode and cathode are coated with catalysts and conductive agents and are in close contact with the proton exchange membrane. The role of the membrane electrode is to promote the reaction of hydrogen and oxygen and transfer electrons from the anode to the cathode. Poor coating effect on the membrane electrode will seriously affect the performance and stability of the battery. In order to ensure a good coating effect, ensure that the slurry is evenly distributed and minimize the presence of bubbles and poor structure.

[0027] The membrane electrode is usually composed of a catalyst, a conductive agent and a binder. The catalyst, conductive agent and binder are mixed, and an appropriate amount of solvent, such as alcohol or water, is added to form an electrode slurry. The formula and proportion of the slurry can be adjusted according to specific requirements. The membrane electrode is formed by coating the slurry prepared above, and stacked together with the polymer electrolyte membrane to form the main structure of the proton membrane fuel cell. The performance of the membrane electrode is closely related to the slurry coating effect. The coating of the slurry can increase the active surface area of ​​the anode and cathode, which directly affects the actual performance of the fuel cell. The coating effect is affected by the slurry performance. The relevant technology usually focuses on the flow rate, pressure, viscosity, and solid content of the electrode slurry as performance characterization. Poor coating effect may lead to poor adhesion between the electrode material and the electrolyte membrane, or the presence of air gaps. This will make the electrode easy to fall off or structural instability during operation, resulting in a shortened battery life.

[0028] Related technologies often use offline detection methods to take out the slurry for processing, which has the problem of insufficient ability to actually perceive the state of the slurry. As a result, slurry that does not meet the performance standards enters the subsequent preparation process, resulting in a waste of raw materials and an increase in the scrap rate.

[0029] In response to the above problems, an embodiment of the present invention provides a method embodiment of slurry treatment. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although the logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0030] Figure 1 is a flow chart of a slurry treatment method according to an embodiment of the present invention. Figure 1 As shown, the method comprises the following steps:

[0031] Step S102, controlling the first device to flow the slurry into a delivery pipeline, wherein the delivery pipeline is provided with at least a bubble detector, and the delivery pipeline is used to deliver the slurry from the first device to the second device;

[0032] It can be understood that the above-mentioned first device is used to process the slurry. After the processing, the slurry flows into the conveying pipeline and is transmitted to the second device of the next process.

[0033] In an optional embodiment, a viscosity detector is further provided in the conveying pipeline before the bubble detector, and the viscosity detector is connected to the first device through a viscosity return pipe. After controlling the first device to flow the slurry into the conveying pipeline, the method further includes: using the viscosity detector to determine the viscosity of the slurry; when the viscosity is less than or equal to a predetermined viscosity threshold, determining that the viscosity test result of the slurry is up to standard, and maintaining the slurry in the conveying pipeline; when the viscosity is greater than the predetermined viscosity threshold, determining that the viscosity test result of the slurry is not up to standard, and controlling the viscosity return pipe to return the slurry to the first device, and controlling the first device to reprocess the slurry.

[0034] It can be understood that a variety of detectors can be set on the transmission pipeline to realize online detection of slurry performance. In order to detect the viscosity of the slurry, a viscosity detector is set before the bubble detector, and connected to the first device through a viscosity reflux pipe at the viscosity detector. The viscosity detector is controlled to determine the viscosity of the slurry. The viscosity and fluidity of the slurry also have an important influence on the coating effect. If the viscosity of the slurry is too high, it may cause uneven coating or difficulty in coating on the film, affecting the active surface area and proton conduction of the electrode. If the slurry fluidity is too good, it may cause excessive diffusion or penetration of the slurry during the coating process, forming an uneven slurry distribution. Therefore, if it is detected that the viscosity meets the standard, it can continue to be kept in the transmission pipeline for subsequent detection. If it is detected that the viscosity does not meet the standard, the next process cannot be continued. The slurry is transported back to the first device by controlling the viscosity reflux pipe, and the first device is controlled for reprocessing.

[0035] Optionally, the above-mentioned viscosity detector can be of multiple types, such as: rotational viscometer, vibration viscometer, capillary viscometer, pressure drop viscometer, etc. The rotational viscometer measures the viscosity of the electrode slurry by rotating the rotor of a cylinder or a disc, the vibration viscometer determines the viscosity by measuring the damping force of the electrode slurry under vibration conditions, the capillary viscometer calculates the viscosity by measuring the flow rate of the electrode slurry flowing in the capillary, and the pressure drop viscometer calculates the viscosity by measuring the pressure drop of the electrode slurry when it flows. The above-mentioned equipment can monitor the viscosity change of the slurry in real time and provide numerical results of the viscosity value. One or more equipment combinations are selected according to actual needs, and online viscosity detection is performed during the preparation of the electrode slurry to ensure the consistency and quality stability of the slurry.

[0036] In an optional embodiment, a particle size detector is further provided in the conveying pipeline before the bubble detector, and the particle size detector is connected to the first device through a particle size return pipe. After controlling the first device to flow the slurry into the conveying pipeline, the method further includes: using the particle size detector to determine the particle size of the slurry; when the particle size is less than or equal to a predetermined particle size threshold, determining that the particle size detection result of the slurry is up to standard, and keeping the slurry transported in the conveying pipeline; when the particle size is greater than the predetermined particle size threshold, determining that the particle size detection result of the slurry is not up to standard, and controlling the particle size return pipe to return the slurry to the first device, and controlling the first device to reprocess the slurry.

[0037] It can be understood that the slurry particle size has an impact on the uniformity of coating, film thickness control and adhesion. A larger particle size may cause uneven thickness of the coating layer, while a smaller particle size can better control the thickness of the coating layer and is easier to evenly disperse in the coating material, reducing the risk of uneven coating. Therefore, a particle size detector is set before the bubble detector, and the particle size detector is used to detect the slurry particle size. If it is detected that the particle size meets the standard, it is determined that the slurry can continue to be kept in the conveying pipeline for subsequent testing. If it is detected that the particle size does not meet the standard, it needs to be returned to the first device for reprocessing.

[0038] Optionally, the above-mentioned particle size detector can be of multiple types, such as: laser particle size analyzer, static image analyzer, aerosol particle size analyzer, dynamic light scattering instrument, etc. The laser particle size analyzer uses the principle of laser particle size analyzer to measure the size and distribution of particles in the electrode slurry by scattering the laser beam. The dynamic light scattering instrument determines the particle size distribution of particles in the electrode slurry by measuring the intensity and angle of scattered light. The aerosol particle size analyzer infers the size of the particles by measuring the settling velocity of particles in the electrode slurry in the aerosol. The static image analyzer obtains the particle size distribution of the electrode slurry by taking an image of the electrode slurry and performing particle analysis using image processing technology. According to specific needs, one or more of the above-mentioned devices are selected to realize online particle size detection, that is, to monitor the size and distribution of particles in real time during the production of electrode slurry, to help optimize the production process and quality control.

[0039] Step S104, controlling the bubble detector to detect the slurry to obtain a bubble detection result;

[0040] It is understandable that if there are too many bubbles in the slurry, these bubbles may be trapped in the electrode membrane during coating, resulting in uneven coating or air gaps, which will reduce the contact area between the electrode and the electrolyte membrane, affect the electrochemical reaction and the efficiency of electron transfer, and thus reduce battery performance. Therefore, it is necessary to use a bubble detector to detect the slurry and obtain the bubble detection results.

[0041] In an optional embodiment, a bubble detector is controlled to detect the slurry to obtain a bubble detection result, including: using the bubble detector to determine the number and size of bubbles in the slurry; when the number of bubbles is greater than a predetermined number threshold, or the bubble size is greater than a predetermined size threshold, determining that the bubble detection result is substandard.

[0042] It can be understood that by detecting that the number of bubbles in the slurry is greater than a predetermined number threshold, or the bubble size is greater than a predetermined size threshold, it is determined that the bubbles present in the slurry may have an adverse effect on the coating effect, and the bubble detection result is determined to be substandard.

[0043] Optionally, the above-mentioned bubble detector can be of multiple types, for example: laser speckle meter, high-speed camera system, acoustic wave detector, etc. The laser speckle meter can detect the existence and size of bubbles by irradiating the electrode slurry with a laser beam and observing the intensity and distribution of the scattered light. The high-speed camera system takes images of the electrode slurry at high speed and analyzes the number and size of bubbles through image processing technology. The acoustic wave detector sends an acoustic wave beam into the electrode slurry, receives the reflection and propagation of the acoustic wave, and can detect the existence and distribution of bubbles. Selecting one or more of the above-mentioned devices to realize online bubble detection according to specific needs is conducive to optimizing the slurry quality and bubble control in the fuel cell preparation process, and improving the performance and stability of the fuel cell.

[0044] In an optional embodiment, when the bubble detection result is that the bubbles do not meet the standard, the method also includes: determining the duration of the bubble detection result that the bubbles do not meet the standard; when the duration is greater than a predetermined duration threshold, sending a prompt message indicating that there is a bubble abnormality in the slurry.

[0045] It is understandable that in the automated battery production line, the slurry processing and testing are carried out in the pipeline, and the relevant technicians cannot directly see the slurry processing process. The unqualified performance of the slurry may be caused by a variety of reasons. In order to facilitate the location of abnormalities, if the bubble detection result is that the bubbles do not meet the standard and the duration is greater than the predetermined threshold, it is considered that multiple reprocessing cannot solve the bubble problem of the slurry, and a prompt message indicating the bubble abnormality is sent to assist the relevant technicians in locating and processing.

[0046] Optionally, a viscosity detector, a particle size detector, and a bubble detector may be sequentially provided on the conveying pipeline. Any failure in detection will result in failure to perform coating processing. In order to quickly locate the cause of the slurry abnormality, the viscosity detection result may be determined as the duration of the viscosity failure, and the particle size detection result may be determined as the duration of the particle size failure. In the case where the duration of the viscosity failure is greater than a predetermined duration threshold, a prompt message is sent indicating that the slurry has a viscosity abnormality. In the case where the duration of the particle size failure is greater than a predetermined duration threshold, a prompt message is sent indicating that the slurry has a particle size abnormality. The above processing can efficiently locate the slurry abnormality when there are multiple detectors in the conveying pipeline.

[0047] Step S106, when the bubble detection result shows that the bubbles do not meet the standard, the bubble reflux pipeline is controlled to return the slurry to the first device, and the first device is controlled to reprocess the slurry.

[0048] It can be understood that if the bubbles are detected to be substandard, it means that the bubbles have not been fully degassed and need to be reprocessed. The bubble reflux pipeline is controlled to transport the slurry back to the first equipment for processing to avoid subsequent coating and resulting in waste of battery raw materials.

[0049] In an optional embodiment, a viscosity detector is also provided on the conveying pipeline, and the first device includes a stirring device. The controlling the first device to reprocess the slurry includes: obtaining a viscosity detection result of the viscosity detector; determining a stirring correction parameter based on the viscosity detection result; and using the stirring correction parameter to control the stirring device to reprocess the slurry.

[0050] It can be understood that the first device includes a stirring device, which can stir and deaerate the slurry therein to prevent the slurry from settling and agglomerating. According to the viscosity test result, the stirring correction parameter is determined. When the viscosity test result indicates that the viscosity does not meet the standard and the viscosity is too large, the stirring correction parameter is increased. When the viscosity test result indicates that the viscosity does not meet the standard and the viscosity is too small, the stirring correction parameter is reduced. The stirring correction parameter is used as a closed-loop feedback to the first device to improve the treatment effect on the slurry performance.

[0051] Optionally, the stirring device may include a stirring motor and a stirring paddle, and the stirring correction parameter may be a stirring speed, a stirring motor frequency, and the like.

[0052] In an optional embodiment, a nano-disperser, a particle size detector, a homogenizer, and a bubble detector are sequentially arranged on the conveying pipeline, and the method further includes: determining a first adjustment parameter based on a particle size detection result of the particle size detector, and using the first adjustment parameter to adjust the nano-disperser; and / or, determining a second adjustment parameter based on the bubble detection result, and using the second adjustment parameter to adjust the homogenizer.

[0053] It can be understood that the conveying pipeline is sequentially provided with a nano-disperser, a particle size detector, a homogenizer, and a bubble detector. The nano-disperser can prevent the sedimentation and separation of particles and improve the fluidity and coating performance of the slurry. The homogenizer can shear and compress the bubbles and micro-bubbles in the electrode slurry through high-speed shearing and pressure, thereby releasing them. This can effectively reduce the bubble content in the electrode slurry and reduce the impact of bubbles on battery performance during electrode preparation. According to the particle size test results, the first adjustment parameter can be used to adjust the nano-disperser to change its ability to adjust the slurry particle size. According to the viscosity test results, the second adjustment parameter can be used, and adjusting the homogenizer can also change its ability to handle slurry degassing. Through the above treatment, the ability to handle slurry abnormalities can be achieved, and the slurry performance can be adjusted according to the specific test results.

[0054] Optionally, the first adjustment parameter can be multiple, for example: the rotor rotation speed of the nano-disperser, usually the selection of the rotation speed depends on the desired dispersion effect, and a higher rotation speed can provide a better dispersion effect. It can also be set for the centrifugal force and running time of the nano-disperser, which refers to the centrifugal force to which the slurry is subjected during the dispersion process, and a larger centrifugal force can provide a better dispersion effect.

[0055] Optionally, the second adjustment parameter can be multiple, for example: the speed range of the homogenizer, a higher speed can obtain a more delicate stirring effect, while a lower speed is suitable for processing more viscous materials. Or adjust the pressure setting of the homogenizer, and the fluidity and particle size of the stirred material can be changed by adjusting the pressure. The temperature of the slurry can also be adjusted by a heating or cooling device, and the temperature adjustment can change the viscosity and fluidity of the slurry, thereby affecting the stirring and degassing effect.

[0056] Step S108, when the bubble detection result shows that the bubbles meet the standard, the slurry is kept in the conveying pipeline and conveyed to the second device.

[0057] It can be understood that after it is detected that the bubbles meet the standards and it is determined that the slurry properties meet the requirements of the coating process, the slurry is maintained in the conveying pipeline and transported to the second device.

[0058] Through the above step S102, the first device is controlled to flow the slurry into the conveying pipeline, wherein the conveying pipeline is provided with at least a bubble detector, and the conveying pipeline is used to convey the slurry from the first device to the second device; step S104, the bubble detector is controlled to detect the slurry to obtain the bubble detection result; step S106, when the bubble detection result is that the bubbles do not meet the standard, the bubble reflux pipeline is controlled to return the slurry to the first device, and the first device is controlled to reprocess the slurry; step S108, when the bubble detection result is that the bubbles meet the standard, the slurry is kept in the conveying pipeline and conveyed to the second device. The purpose of improving the detection capability of the state of the slurry in the preparation pipeline can be achieved through online detection, and the technical effect of improving the slurry performance is achieved, thereby solving the technical problem of unsatisfactory slurry performance in the related technology.

[0059] Based on the above embodiments and optional embodiments, the present invention proposes an optional implementation method, which is applied to the preparation process of proton membrane fuel cells. After the slurry flows from the slurry storage tank into the delivery pipeline, it is detected by a viscosity detector, a particle size detector, and a bubble detector in sequence, and a nano-disperser is provided between the viscosity detector and the particle size detector, and a homogenizer is provided between the particle size detector and the bubble detector. The catalyst slurry is mixed, dispersed by the nano-disperser, and then placed in the slurry storage tank for stirring and degassing, and then enters the delivery pipeline. Figure 2 is a schematic flow chart of an optional slurry treatment method provided according to an embodiment of the present invention, such as Figure 2 The shown process is described in detail below.

[0060] First, the viscosity detector is used to test the viscosity. The slurry with substandard viscosity is returned to the slurry storage tank through the viscosity return pipe. The slurry with standard viscosity continues to reach the particle size detector through the conveying pipe for particle size testing. Then, the slurry with substandard particle size is returned to the slurry storage tank through the particle size return pipe. The slurry with standard particle size is sent to the bubble detector through the conveying pipe. The slurry with substandard bubbles is returned to the slurry storage tank through the bubble return pipe. The slurry with standard bubbles is regarded as qualified slurry and conveyed to the coating equipment for use.

[0061] The above-mentioned viscosity detector, particle size detector, and bubble detector continuously detect the slurry in the conveying pipeline, and continuously feed back the viscosity detection results, particle size detection results, and bubble detection results. According to the viscosity detection results, particle size detection results, and bubble detection results, the stirring equipment, nano-disperser, and homogenizer of the slurry storage barrel can be adjusted in real time, which is conducive to automatically solving the slurry performance deviation. However, some slurry problems come from problems with the formula itself, which may not be solved by adjusting the equipment. In order to quickly locate slurry abnormalities, when the viscosity detector, particle size detector, and bubble detector continue to detect abnormalities, respectively, corresponding prompt information can be sent according to the duration of the abnormality type.

[0062] The optional implementation method described above can achieve at least the following effects: the combination of multiple online detection methods is conducive to improving the detection rate of abnormal slurry performance and improving the coating effect and battery performance. At the same time, it avoids unqualified slurry from flowing into the next process, improving the raw material utilization rate and finished product rate.

[0063] It should be noted that the steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and that, although a logical order is shown in the flowcharts, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0064] In an embodiment of the present invention, a slurry processing system is also provided, which can be used to implement the embodiment and preferred implementation of the slurry processing method described above, and the descriptions that have been made will not be repeated. The slurry processing system provided in an embodiment of the present invention is introduced below.

[0065] Figure 3 is a schematic diagram of a slurry processing system according to an embodiment of the present invention, such as Figure 3As shown, the system includes: a first device 302, a delivery pipe 304, a bubble detector 306, a bubble reflux pipe 308, a second device 310, and a controller 312. The bubble detector 306 is arranged on the delivery pipe 304, the first device 302 and the second device 310 are connected through the delivery pipe 304, and the bubble reflux pipe 308 is used to connect the bubble detector 306 and the first device 302, which is described in detail below.

[0066] The first device 302 is used to process the slurry;

[0067] A controller 312 connected to the first device 302 and configured to control the first device 302 to flow the slurry into the delivery pipeline 304;

[0068] The bubble detector 306 is connected to the controller 312 and is used to detect the slurry, obtain the bubble detection result, and send the bubble detection result to the controller 312;

[0069] The controller 312 is also used to control the bubble reflux pipe 308 to return the slurry to the first device 302 and control the first device 302 to reprocess the slurry when the bubble detection result shows that the bubbles do not meet the standards; when the bubble detection result shows that the bubbles meet the standards, keep the slurry in the conveying pipe and convey it to the second device.

[0070] In a slurry processing system provided by an embodiment of the present invention, a first device 302, a delivery pipeline 304, a bubble detector 306, a bubble return pipeline 308, a second device 310, and a controller 312 are provided. The bubble detector 306 is arranged on the delivery pipeline 304. The first device 302 and the second device 310 are connected through the delivery pipeline 304. The bubble return pipeline 308 is used to connect the bubble detector 306 and the first device 302. The first device 302 is used to process the slurry; the controller 312 is connected to the first device 302 for The first device 302 is controlled to flow the slurry into the conveying pipeline 304; the bubble detector 306 is connected to the controller 312, and is used to detect the slurry, obtain the bubble detection result, and send the bubble detection result to the controller 312; the controller 312 is also used to control the bubble return pipeline 308 to return the slurry to the first device 302 when the bubble detection result shows that the bubbles do not meet the standard, and control the first device 302 to reprocess the slurry; when the bubble detection result shows that the bubbles meet the standard, the slurry is kept in the conveying pipeline and transported to the second device. The purpose of improving the detection capability of the state of the slurry in the preparation pipeline through the online detection method is achieved, thereby achieving the technical effect of improving the slurry performance, and then solving the technical problem of unsatisfactory slurry performance in the related technology.

[0071] As an optional embodiment, the first device is a slurry storage device, a stirring device is provided in the first device, the second device is a coating device, and a viscosity detector, a nano-disperser, a particle size detector, a homogenizer, and a bubble detector are sequentially provided on the conveying pipeline. The viscosity detector is connected to the first device through a viscosity reflux pipeline, the particle size detector is connected to the first device through a particle size reflux pipeline, the nano-disperser is connected to the controller, and is used to respond to the control of the controller to adjust the particle size of the slurry; the homogenizer is connected to the controller, and is used to respond to the control of the controller to degas the slurry.

[0072] It can be understood that the conveying pipeline is sequentially provided with a viscosity detector, a nano-disperser, a particle size detector, a homogenizer, and a bubble detector. The viscosity detector is connected to the first device through a viscosity return pipeline, and the particle size detector is connected to the first device through a particle size return pipeline. During the conveying process of the slurry in the conveying pipeline, the nano-disperser adjusts the particle size of the slurry, and can adjust the abnormal deviation of the particle size in the slurry, and the homogenizer degasses the slurry, and can adjust the abnormal deviation of the bubbles in the slurry.

[0073] Optionally, the system can also be configured to sequentially arrange a viscosity detector, a particle size detector, and a bubble detector on the conveying pipeline. It should be noted that the bubble detector is arranged at the end in order to reduce the change of the slurry bubble state during the conveying pipeline transmission process.

[0074] Optionally, a feed pump may be provided between the first device and the conveying pipeline to provide power for slurry conveying.

[0075] Optionally, the delivery pipeline at the viscosity detector may be provided with a viscosity downstream valve and a viscosity reflux valve, the viscosity downstream valve is used to continue to keep the slurry in the delivery pipeline, and the viscosity reflux valve is used to return the slurry to the first device through the viscosity reflux pipe. Similarly, the delivery pipeline at the particle size detector may be provided with a particle size downstream valve and a particle size reflux valve, the particle size downstream valve is used to continue to keep the slurry in the delivery pipeline, and the particle size reflux valve is used to return the slurry to the first device through the particle size reflux pipe. The delivery pipeline at the bubble detector may be provided with a bubble downstream valve and a bubble reflux valve, the bubble downstream valve is used to continue to keep the slurry in the delivery pipeline, and the bubble reflux valve is used to return the slurry to the first device through the bubble reflux pipe.

[0076] Based on the above embodiments and optional embodiments, the present invention proposes an optional implementation manner. Figure 4 is a schematic diagram of a slurry processing system provided according to an embodiment of the present invention, such as Figure 4As shown, the first device is a slurry storage device, in which a stirring device is provided. The slurry enters the delivery pipeline through a feed pump, and is input into the coating device after being detected by a viscosity detector, a particle size detector, and a bubble detector. If the detection does not meet the standard, the slurry is returned to the slurry storage device through a viscosity reflux pipe, a particle size reflux pipe, and a bubble reflux pipe for reprocessing.

[0077] In this embodiment, a slurry processing device is also provided, which can be used to implement the embodiments and preferred implementations of the above-mentioned slurry processing method. As used below, the terms "module" and "device" can implement a combination of software and / or hardware of a predetermined function. Although the device described in the following embodiments is preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0078] According to an embodiment of the present invention, there is also provided an apparatus embodiment for implementing the slurry treatment method. Figure 5 is a schematic diagram of a slurry processing device according to an embodiment of the present invention, such as Figure 5 As shown, the slurry processing device includes a first conveying module 502, a bubble detection module 504, a reprocessing module 506, and a second conveying module 508. The device is described below.

[0079] A first conveying module 502, used to control the first device to flow the slurry into a conveying pipeline, wherein the conveying pipeline is provided with at least a bubble detector, and the conveying pipeline is used to convey the slurry from the first device to the second device;

[0080] The bubble detection module 504 is connected to the first conveying module 502 and is used to control the bubble detector to detect the slurry and obtain the bubble detection result;

[0081] The reprocessing module 506 is connected to the bubble detection module 504 and is used to control the bubble return pipe to return the slurry to the first device and control the first device to reprocess the slurry when the bubble detection result shows that the bubbles do not meet the standard.

[0082] The second conveying module 508 is connected to the reprocessing module 506, and is used to keep the slurry in the conveying pipeline and convey it to the second equipment when the bubble detection result shows that the bubbles meet the standards.

[0083] In a slurry processing device provided by an embodiment of the present invention, a first conveying module 502 is used to control the first device to flow the slurry into the conveying pipeline, wherein the conveying pipeline is provided with at least a bubble detector, and the conveying pipeline is used to convey the slurry from the first device to the second device; a bubble detection module 504 is connected to the first conveying module 502, and is used to control the bubble detector to detect the slurry and obtain the bubble detection result; a reprocessing module 506 is connected to the bubble detection module 504, and is used to control the bubble reflux pipeline to return the slurry to the first device when the bubble detection result is that the bubbles do not meet the standard, and control the first device to reprocess the slurry; a second conveying module 508 is connected to the reprocessing module 506, and is used to keep the slurry in the conveying pipeline to be conveyed to the second device when the bubble detection result is that the bubbles meet the standard. The purpose of improving the detection capability of the state of the slurry in the preparation pipeline through the online detection method is achieved, and the technical effect of improving the slurry performance is achieved, thereby solving the technical problem of unsatisfactory slurry performance in the related technology.

[0084] It should be noted that the above modules can be implemented by software or hardware. For example, for the latter, it can be implemented in the following ways: the above modules can be located in the same processor; or the above modules can be located in different processors in any combination.

[0085] It should be noted that the first delivery module 502, bubble detection module 504, reprocessing module 506, and second delivery module 508 correspond to steps S102 to S108 in the embodiment, and the examples and application scenarios implemented by the modules and the corresponding steps are the same, but are not limited to the contents disclosed in the above embodiment. It should be noted that the modules as part of the device can be run in a computer terminal.

[0086] It should be noted that the optional or preferred implementation of this embodiment can refer to the relevant description in the embodiment, which will not be repeated here.

[0087] The above-mentioned slurry processing device may also include a processor and a memory. The first conveying module 502, the bubble detection module 504, the reprocessing module 506, the second conveying module 508, etc. are all stored in the memory as program units, and the processor executes the above-mentioned program units stored in the memory to realize the corresponding functions.

[0088] The processor includes a kernel, which retrieves the corresponding program unit from the memory. There can be one or more kernels. The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one storage chip.

[0089] An embodiment of the present invention provides a non-volatile storage medium on which a program is stored. When the program is executed by a processor, a slurry processing method is implemented.

[0090] An embodiment of the present invention provides an electronic device, which includes a processor, a memory, and a program stored in the memory and executable on the processor. When the processor executes the program, the following steps are implemented: controlling a first device to flow slurry into a delivery pipeline, wherein the delivery pipeline is provided with at least a bubble detector, and the delivery pipeline is used to deliver the slurry from the first device to the second device; controlling the bubble detector to detect the slurry to obtain a bubble detection result; when the bubble detection result is that the bubbles do not meet the standard, controlling the bubble return pipeline to return the slurry to the first device, and controlling the first device to reprocess the slurry; when the bubble detection result is that the bubbles meet the standard, maintaining the slurry in the delivery pipeline to be delivered to the second device. The device in this article may be a server, a PC, etc.

[0091] The present invention also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program that is initialized with the following method steps: controlling a first device to flow slurry into a conveying pipeline, wherein the conveying pipeline is provided with at least a bubble detector, and the conveying pipeline is used to convey the slurry from the first device to a second device; controlling the bubble detector to detect the slurry to obtain a bubble detection result; when the bubble detection result is that the bubbles do not meet the standard, controlling the bubble reflux pipeline to reflux the slurry to the first device, and controlling the first device to reprocess the slurry; when the bubble detection result is that the bubbles meet the standard, keeping the slurry in the conveying pipeline to be conveyed to the second device.

[0092] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0093] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0094] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0095] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0096] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0097] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0098] Computer readable media include permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0099] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0100] It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as methods, systems or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

[0101] The above are only embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A slurry treatment method, characterized in that: include: Controlling the first device to flow the slurry into a delivery pipeline, wherein the delivery pipeline is provided with at least a bubble detector, and the delivery pipeline is used to deliver the slurry from the first device to the second device; Controlling the bubble detector to detect the slurry to obtain a bubble detection result; When the bubble detection result shows that the bubbles do not meet the standard, the bubble reflux pipeline is controlled to return the slurry to the first device, and the first device is controlled to reprocess the slurry; When the bubble detection result shows that the bubbles meet the standard, the slurry is kept in the conveying pipeline and conveyed to the second device.

2. The method according to claim 1, characterized in that The controlling the bubble detector to detect the slurry to obtain a bubble detection result includes: Using the bubble detector, determining the number and size of bubbles in the slurry; When the number of bubbles is greater than a predetermined number threshold, or the size of the bubbles is greater than a predetermined size threshold, it is determined that the bubble detection result is not up to standard.

3. The method according to claim 1, characterized in that: The conveying pipeline is also provided with a viscosity detector before the bubble detector, and the viscosity detector is connected to the first device through a viscosity return pipe. After the first device is controlled to flow the slurry into the conveying pipeline, the method further includes: Using the viscosity detector, determining the viscosity of the slurry; When the viscosity is less than or equal to a predetermined viscosity threshold, determining that the viscosity test result of the slurry is that the viscosity meets the standard, and maintaining the slurry being transported in the transport pipeline; When the viscosity is greater than the predetermined viscosity threshold, the viscosity test result of the slurry is determined to be that the viscosity does not meet the standard, and the viscosity reflux pipeline is controlled to return the slurry to the first device, and the first device is controlled to reprocess the slurry.

4. The method according to claim 1, characterized in that: The conveying pipeline is also provided with a particle size detector before the bubble detector, and the particle size detector is connected to the first device through a particle size return pipe. After the first device is controlled to flow the slurry into the conveying pipeline, the method further includes: Using the particle size detector, determining the particle size of the slurry; When the particle size is less than or equal to a predetermined particle size threshold, determining that the particle size detection result of the slurry is up to standard, and maintaining the slurry to be transported in the transport pipeline; When the particle size is greater than the predetermined particle size threshold, the particle size detection result of the slurry is determined to be substandard, and the particle size return pipeline is controlled to return the slurry to the first device, and the first device is controlled to reprocess the slurry.

5. The method according to claim 1, characterized in that The conveying pipeline is also provided with a viscosity detector, the first device includes a stirring device, and the controlling the first device to reprocess the slurry includes: Obtaining a viscosity detection result of the viscosity detector; Determining a stirring correction parameter based on the viscosity detection result; The stirring correction parameter is used to control the stirring device to reprocess the slurry.

6. The method according to claim 1, characterized in that The delivery pipeline is provided with a nano-disperser, a particle size detector, a homogenizer, and the bubble detector in sequence, and the method further comprises: Based on the particle size detection result of the particle size detector, determine a first adjustment parameter, and use the first adjustment parameter to adjust the nano-disperser; and / or, Based on the bubble detection result, a second adjustment parameter is determined, and the homogenizer is adjusted using the second adjustment parameter.

7. The method according to any one of claims 1 to 6, characterized in that When the bubble detection result is that the bubbles do not meet the standard, the method further includes: Determine the duration of time during which the bubble detection result indicates that the bubbles do not meet the standard; When the duration is longer than a predetermined duration threshold, a prompt message is sent to indicate that there is abnormal bubble in the slurry.

8. A slurry processing system, characterized in that: include: a first device, a delivery pipeline, a bubble detector, a bubble reflux pipeline, a second device, and a controller, wherein the bubble detector is arranged on the delivery pipeline, the first device and the second device are connected via the delivery pipeline, and the bubble reflux pipeline is used to connect the bubble detector and the first device, The first device is used to process the slurry; The controller is connected to the first device and is used to control the first device to flow the slurry into the conveying pipeline; The bubble detector is connected to the controller and is used to detect the slurry, obtain a bubble detection result, and send the bubble detection result to the controller; The controller is further configured to control the bubble reflux pipe to return the slurry to the first device and control the first device to reprocess the slurry when the bubble detection result shows that the bubbles do not meet the standard; When the bubble detection result shows that the bubbles meet the standard, the slurry is kept in the conveying pipeline and conveyed to the second device.

9. The system according to claim 8, characterized in that The first device is a slurry storage device, a stirring device is provided in the first device, the second device is a coating device, a viscosity detector, a nano-disperser, a particle size detector, a homogenizer, and the bubble detector are sequentially provided on the conveying pipeline, the viscosity detector is connected to the first device through a viscosity return pipeline, and the particle size detector is connected to the first device through a particle size return pipeline. The nano-disperser is connected to the controller and is used to adjust the particle size of the slurry in response to the control of the controller; The homogenizer is connected to the controller and is used for degassing the slurry in response to the control of the controller.

10. A slurry processing device, characterized in that: include: A first conveying module, used for controlling the first device to flow the slurry into a conveying pipeline, wherein the conveying pipeline is provided with at least a bubble detector, and the conveying pipeline is used for conveying the slurry from the first device to the second device; A bubble detection module, used for controlling the bubble detector to detect the slurry and obtain a bubble detection result; a reprocessing module, configured to control the bubble reflux pipe to return the slurry to the first device when the bubble detection result shows that the bubbles do not meet the standard, and control the first device to reprocess the slurry; The second conveying module is used to keep the slurry in the conveying pipeline and convey it to the second device when the bubble detection result shows that the bubbles meet the standard.

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