An ultrafiltration system control method, system, storage medium and intelligent terminal

Abstract

The application relates to an ultrafiltration system control method, system, storage medium and intelligent terminal, relates to the field of garbage treatment technology, and the method comprises the following steps: acquiring operation current information of a circulating pump; judging whether a current value corresponding to the operation current information is in a preset current reasonable range; if the current value corresponding to the operation current information is in the current reasonable range, outputting a normal operation signal and controlling the circulating pump to continue operation; and if the current value corresponding to the operation current information is not in the current reasonable range, controlling the circulating pump to stop operation, and controlling a cleaning pump preset on a pipeline loop to operate to clean the pipeline loop. The application has the effect of reducing the damage of the circulating pump and the occurrence of the pipeline loop death.

Description

Technical Field

[0001] This application relates to the field of waste treatment technology, and in particular to a control method, system, storage medium and intelligent terminal for an ultrafiltration system. Background Technology

[0002] With the development of the social economy and the improvement of residents' living standards, the amount of urban waste is increasing daily, and the disposal of urban waste has become a major problem in modern cities. At present, the main methods of waste treatment are incineration and landfill. Regardless of the method used, leachate will be generated. The treatment of waste with leachate generally involves the following systems: pretreatment system, anaerobic system, biological treatment system, ultrafiltration system, nanofiltration system, RO membrane system, and advanced treatment system.

[0003] In related technologies, the ultrafiltration system draws water from the nitrification tank, and the UF feed pump distributes the mixed liquor from the biological treatment tank to the UF loop. The sludge-water mixture is then pumped into the tubular membrane module by a circulation pump. Under the action of the pressure difference across the membrane, the leachate first permeates through the membrane to form permeate, thus achieving sludge-water separation. The sludge is returned to the biological treatment tank to increase the sludge concentration in the tank, while the nitrification liquor is internally refluxed. Part of the sludge is discharged into the sludge thickening tank as excess sludge.

[0004] Regarding the aforementioned technologies, the inventors believe that during the operation of an ultrafiltration system, when the circulation pump malfunctions, the sludge in the pipeline loop cannot move within the loop, causing blockage. Once the sludge is left to stand for a period of time, the pipeline loop is more likely to fail, requiring considerable effort from staff for subsequent repairs. Summary of the Invention

[0005] To reduce the occurrence of pipeline loop failure due to circulation pump damage, this application provides an ultrafiltration system control method, system, storage medium, and intelligent terminal.

[0006] In a first aspect, this application provides a control method for an ultrafiltration system, employing the following technical solution:

[0007] A method for controlling an ultrafiltration system, comprising:

[0008] Obtain the operating current information of the circulating pump;

[0009] Determine whether the current value corresponding to the working current information is within the preset reasonable current range;

[0010] If the current value corresponding to the working current information is within a reasonable current range, a normal working signal is output and the circulating pump is controlled to continue working.

[0011] If the current value corresponding to the operating current information is not within the reasonable current range, the circulating pump will be stopped and the cleaning pump preset on the pipeline loop will be activated to clean the pipeline loop.

[0012] By adopting the above technical solution, the current during the operation of the circulating pump is first obtained. When the current is abnormal, it indicates that the circulating pump cannot operate normally. At this time, the cleaning pump is used to pump clean water to clean the pipeline loop, so that the mud and water mixture in the pipeline loop can be discharged from the pipeline loop, thereby reducing the occurrence of pipeline loop failure due to circulation pump damage.

[0013] Optionally, if the current value corresponding to the operating current information is not within a reasonable current range, the ultrafiltration system control method may further include:

[0014] Establish a detection interval with a preset fixed duration and width in reverse on the preset positive time axis, and evenly divide the detection interval into several unit intervals;

[0015] Obtain the unit flow rate information of the circulating pump outlet within each unit interval;

[0016] The difference in flow rate information is determined by calculating the difference between the unit flow rate information of adjacent unit intervals;

[0017] Determine whether the flow values ​​corresponding to all differential flow information are less than the preset upper limit of change;

[0018] If the flow values ​​corresponding to all differential flow information are not all less than the upper limit of change, then control the circulating pump to stop operating and control the cleaning pump on the pipeline loop to operate to clean the pipeline loop.

[0019] If the flow values ​​corresponding to all differential flow information are less than the upper limit of change, a blockage signal is output and the circulation pump is kept in normal operation, and the cleaning pump in the pipeline loop is controlled to operate for a preset impact duration.

[0020] By adopting the above technical solution, the circulation pump can be analyzed when the current is abnormal in order to determine whether the outlet of the circulation pump is blocked. When the circulation pump is blocked and the current is abnormal, only the cleaning pump is used to impact and remove the blockage. At this time, the circulation pump is kept in normal operation so that the entire ultrafiltration system can operate normally and improve the operating efficiency.

[0021] Optionally, after outputting a blockage signal and controlling the duration of the cleaning pump's impact, the ultrafiltration system control method further includes:

[0022] Obtain the instantaneous flow rate information at the outlet of the circulating pump;

[0023] Determine whether the instantaneous flow rate value corresponds to a preset baseline flow rate value;

[0024] If the instantaneous flow rate information corresponds to a flow rate value that is not greater than the baseline flow rate value, a blockage signal will be output and the circulating pump will be stopped. Meanwhile, the cleaning pump will be continuously started to clean the pipeline loop.

[0025] If the instantaneous flow rate value is greater than the baseline flow rate value, then it is determined whether a normal operation signal exists.

[0026] If a normal operation signal is present, the circulating pump will continue to operate normally.

[0027] If no normal operation signal is found, the circulating pump will be stopped, and the cleaning pump will continue to be started to clean the pipeline loop.

[0028] By adopting the above technical solution, it is possible to determine whether the circulating pump can be used normally after the impact time of the cleaning pump operation. When it cannot be used normally, the circulating pump is controlled to stop operation so that the cleaning pump can continue cleaning, thereby preventing the mud and water mixture from stagnating in the pipeline loop.

[0029] Optionally, after the circulating pump stops operating, the method of starting the cleaning pump to clean the pipeline loop includes:

[0030] Determine if there is a persistent blockage signal;

[0031] If a persistent blockage signal exists, the deviation flow information is determined by calculating the difference between the baseline flow rate and the instantaneous flow rate information.

[0032] The correction gear information is determined by matching and analyzing the deviation flow information and correction gear information stored in the correction database.

[0033] The working gear information is determined by calculation based on the corrected gear information and the preset fixed gear.

[0034] Control the cleaning pump to operate at the level corresponding to the working level information until the instantaneous flow rate value is greater than the reference flow rate value.

[0035] By adopting the above technical solution, when sludge still clogs the circulation pump after the cleaning pump has been operating for a long time, the speed of the cleaning pump can be adjusted to increase the water flow impact force, so that the water flow can better clean the sludge remaining on the circulation pump.

[0036] Optionally, if there is no persistent blockage signal, the cleaning pump can be started to clean the pipeline loop using the following methods:

[0037] Obtain the beam intensity information of the preset beam detection equipment, wherein the beam detection equipment is installed at the preset cleaning outlet and spaced along the circumference of the pipeline;

[0038] Determine whether the intensity value corresponding to the transmitted intensity information is greater than the preset received intensity value;

[0039] If the intensity value corresponding to the through-beam intensity information is greater than the received intensity value, then the through-beam detection device is defined as a transparent device.

[0040] If the intensity value corresponding to the through beam intensity information is not greater than the received intensity value, then the through beam detection device is defined as a blocking device.

[0041] Determine whether all through-beam detection devices are transparent devices at the same time;

[0042] If not all through-beam detection devices are transparent at the same time, a blocking signal will be output, and the cleaning pump will continue to operate to clean the pipeline loop.

[0043] If all through-beam detection devices are transparent at the same time, the cleaning pump will continue to operate to clean the pipeline loop, and the preset judgment time will be controlled to count down.

[0044] Determine if there is an obstruction signal before the judgment duration resets to zero;

[0045] If there is an obstruction signal before the judgment duration is zero, the judgment duration will be reset to restart the countdown.

[0046] If the timer is determined to be zero without any obstruction signal, a cleaning completion signal is output, and the cleaning pump is controlled to stop operation.

[0047] By adopting the above technical solution, when the cleaning pump needs to completely clean the sludge in the pipeline loop, the presence of sludge in the flowing water can be determined by the beam detection equipment. When no sludge is present for a long time, it indicates that the water has been cleaned and the cleaning pump can be turned off.

[0048] Optionally, the method of starting the cleaning pump to clean the pipeline loop also includes:

[0049] When the determination time is reset, the preset reset count is incremented by one.

[0050] Determine if the number of reset attempts exceeds the preset reasonable number;

[0051] If the number of resets does not exceed a reasonable number, the cleaning pump will continue to operate to clean the pipeline loop;

[0052] If the number of resets exceeds the reasonable number, the impact gear information is determined based on the preset adjustment gear and fixed gear, and the cleaning pump is controlled to operate at the gear corresponding to the impact gear information until the cleaning completion signal is output.

[0053] By adopting the above technical solution and analyzing the number of resets, it is found that when the number of resets is too high, it indicates that the current water flow impact force is not effective in cleaning the sludge in the pipeline loop. In this case, the speed of the cleaning pump can be adjusted to increase the water flow impact force, thereby achieving effective cleaning of the pipeline.

[0054] Optionally, the methods for determining the gear position include:

[0055] Obtain timing duration information before determining the duration reset;

[0056] The interval duration information is determined by averaging the duration values ​​corresponding to all the timing duration information.

[0057] The system matches and analyzes the interval duration information stored in the preset gear database with the gear to determine the gear corresponding to the interval duration information.

[0058] By adopting the above technical solution, a reasonable adjustment level can be determined according to the movement of sludge, so that the sludge can be treated better in the future.

[0059] Secondly, this application provides a control system for an ultrafiltration system, which adopts the following technical solution:

[0060] An ultrafiltration system control system includes:

[0061] The acquisition module is used to acquire the operating current information of the circulating pump;

[0062] The processing module, connected to the acquisition and judgment modules, is used for information storage and processing;

[0063] The judgment module, connected to the acquisition and processing modules, is used for judging information.

[0064] The judgment module determines whether the current value corresponding to the working current information is within the preset reasonable current range;

[0065] If the judgment module determines that the current value corresponding to the working current information is within a reasonable current range, the processing module outputs a normal working signal and controls the circulating pump to continue working.

[0066] If the judgment module determines that the current value corresponding to the working current information is not within the reasonable current range, the processing module controls the circulating pump to stop working and controls the cleaning pump preset on the pipeline loop to work to clean the pipeline loop.

[0067] By adopting the above technical solution, the acquisition module first obtains the current when the circulating pump is operating. When the judgment module determines that the current is abnormal, it means that the circulating pump cannot operate normally. At this time, the processing module uses the cleaning pump to extract clean water to clean the pipeline loop, so that the mud and water mixture in the pipeline loop can be discharged from the pipeline loop, thereby reducing the occurrence of pipeline loop failure due to circulation pump damage.

[0068] Thirdly, this application provides a smart terminal, which adopts the following technical solution:

[0069] A smart terminal includes a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and executed any of the above-mentioned ultrafiltration system control methods.

[0070] By adopting the above technical solution, the current of the circulating pump during operation is first obtained through the use of a smart terminal. When the current is abnormal, it indicates that the circulating pump cannot operate normally. At this time, the cleaning pump is used to extract clean water to clean the pipeline loop, so that the mud and water mixture in the pipeline loop can be discharged from the pipeline loop, thereby reducing the occurrence of pipeline loop failure due to circulation pump damage.

[0071] Fourthly, this application provides a computer storage medium capable of storing corresponding programs, which has the characteristic of reducing the occurrence of pipeline loop failure due to damage to the circulating pump, and adopts the following technical solution:

[0072] A computer-readable storage medium storing a computer program that can be loaded by a processor and executed by any of the above-described ultrafiltration system control methods.

[0073] By adopting the above technical solution, the computer program containing the ultrafiltration system control method in the storage medium first obtains the current when the circulation pump is operating. When the current is abnormal, it indicates that the circulation pump cannot operate normally. At this time, the cleaning pump is used to draw clean water to clean the pipeline loop, so that the mud and water mixture in the pipeline loop can be discharged from the pipeline loop, thereby reducing the occurrence of pipeline loop failure due to circulation pump damage.

[0074] In summary, this application includes at least one of the following beneficial technical effects:

[0075] 1. The status of the circulating pump during operation can be monitored so that if the circulating pump is damaged, the mud and water mixture in the pipeline loop can be cleaned in time, thereby reducing the occurrence of mud and water mixture remaining in the pipeline loop and causing pipeline loop failure.

[0076] 2. The operating speed of the cleaning pump can be determined according to the pipeline flushing situation so that the water flow pumped by the cleaning pump can effectively flush the sludge.

[0077] 3. It can analyze abnormal current conditions of the circulating pump to make subsequent treatment more reasonable and improve the intelligence of ultrafiltration system control. Attached Figure Description

[0078] Figure 1 This is a flowchart of the control method for an ultrafiltration system.

[0079] Figure 2 This is a flowchart of the method for analyzing and determining abnormal conditions of a circulating pump.

[0080] Figure 3 This is a flowchart of a method for handling a clogged circulating pump.

[0081] Figure 4 This is a flowchart of the circulating pump gear adjustment method.

[0082] Figure 5 This is a flowchart of a method for determining the degree of cleaning in a pipeline loop.

[0083] Figure 6 This is a schematic diagram showing the placement of the beam detection equipment.

[0084] Figure 7 This is a flowchart of the method for adjusting the speed of a circulating pump.

[0085] Figure 8 This is a flowchart of the method for determining the gear position.

[0086] Figure 9 This is a flowchart of the control method for an ultrafiltration system. Detailed Implementation

[0087] To make the purpose, technical solution, and advantages of this application clearer, the following description is provided in conjunction with the appendix. Figure 1-9 The present application will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the application.

[0088] The embodiments of this application will now be described in further detail with reference to the accompanying drawings.

[0089] This application discloses an ultrafiltration system control method. By monitoring the current of the circulation pump, it is determined whether the circulation pump is abnormal. When the circulation pump is abnormal, it is determined whether it is caused by the blockage of the circulation pump outlet. When it is blocked, the water from the cleaning pump can be used to flush the blockage so that the ultrafiltration system can operate normally afterwards. When the circulation pump itself is damaged, the cleaning pump is used to clean the entire pipeline loop so that the mud-water mixture does not remain in the pipeline loop and cause the pipeline loop to rot.

[0090] Reference Figure 1The method flow for controlling an ultrafiltration system includes the following steps:

[0091] Step S100: Obtain the operating current information of the circulating pump.

[0092] The circulation pump is a device in the ultrafiltration system that drives the movement of the mud-water mixture. The operating current information corresponds to the current value of the circulation pump in the ultrafiltration system during use, which can be obtained by installing a current monitoring element in the circulation pump.

[0093] Step S101: Determine whether the current value corresponding to the working current information is within the preset reasonable current range.

[0094] The reasonable current range is the range of current that the staff determines when the circulating pump is operating normally. The purpose of this determination is to determine whether the circulating pump is currently operating normally.

[0095] Step S1011: If the current value corresponding to the working current information is within a reasonable current range, output a normal working signal and control the circulating pump to continue working.

[0096] When the current value corresponding to the operating current information is within a reasonable range, it indicates that the circulating pump is in normal working condition. At this time, a normal operation signal is output to mark the situation so that the staff can be informed in time. At the same time, the circulating pump is controlled to continue operating to achieve ultrafiltration treatment of the mud-water mixture. The normal operation signal can be that the indicator light on the operation panel is lit, or the indicator light color is a set fixed color. The specific output method is set by the staff according to the actual situation, which will not be elaborated here.

[0097] Step S1012: If the current value corresponding to the working current information is not within the reasonable current range, control the circulating pump to stop working and control the cleaning pump preset on the pipeline loop to work to clean the pipeline loop.

[0098] When the current value corresponding to the operating current information is not within the reasonable current range, it indicates that the circulating pump is not working properly. At this time, the circulating pump is controlled to stop operating, allowing the cleaning pump to operate to clean the pipeline loop. This allows the mud-water mixture in the pipeline loop to be discharged from the pipeline loop under the impact of the water flow, reducing the possibility of pipeline loop failure. The water inlet of the cleaning pump can be connected to an external clean water supply, and the other end is connected to the initial position of the pipeline loop. A cleaning valve is installed on the connecting pipe between the cleaning pump and the pipeline loop, and a feed valve is installed at the initial position of the pipeline loop. When the pipeline loop is in normal operation, the feed valve is open and the cleaning valve is closed. When the pipeline loop needs cleaning, the feed valve is closed and the cleaning valve is open.

[0099] Reference Figure 2 If the current value corresponding to the operating current information is not within a reasonable current range, the ultrafiltration system control method also includes:

[0100] Step S200: Establish a detection interval with a preset fixed duration and width value in reverse on the preset positive time axis, and evenly divide the detection interval into several unit intervals.

[0101] The forward time axis is a coordinate axis that extends along the direction of time flow. The fixed duration is a value set by the staff. A detection interval is established in reverse on the forward time axis so that data of the circulating pump before the current abnormality can be collected and analyzed. The end point of the detection interval coincides with the time point when the operation is abnormal. The unit interval is determined by the even division of the detection interval, and the number of unit intervals is set by the staff according to the actual situation.

[0102] Step S201: Obtain the unit flow rate information of the circulating pump outlet in each unit interval.

[0103] The unit flow rate information corresponds to the flow rate of water flowing through the unit interval by the flow detection device installed at the outlet of the circulating pump.

[0104] Step S202: Calculate the difference based on the unit flow information of adjacent unit intervals to determine the difference flow information.

[0105] The flow value corresponding to the differential flow information is the difference between the unit flow information of adjacent unit intervals, that is, the change in adjacent unit time intervals, which is obtained by subtracting the unit flow of the unit interval at the back from the unit flow of the unit interval at the front end.

[0106] Step S203: Determine whether the flow values ​​corresponding to all differential flow information are less than the preset upper limit of change.

[0107] The upper limit of the change is the minimum flow change value set by the staff to determine when a sudden change in flow occurs. The purpose of the judgment is to determine whether a sudden change in flow occurs in all unit intervals.

[0108] Step S2031: If the flow values ​​corresponding to all differential flow information are not all less than the upper limit of change, control the circulation pump to stop operating and control the cleaning pump on the pipeline loop to operate to clean the pipeline loop.

[0109] When the flow rate corresponding to all differential flow rate information is not less than the upper limit of change, it indicates that there is a sudden change in the flow rate of water flowing through the outlet of the circulating pump, that is, there is a situation where the circulating pump suddenly cannot work. At this time, the circulating pump is damaged. Control the circulating pump to stop working, and then clean the pipeline loop.

[0110] Step S2032: If the flow values ​​corresponding to all differential flow information are less than the upper limit of change, output a blockage signal and maintain the normal operation of the circulation pump, and control the cleaning pump operation on the pipeline loop for the preset impact duration.

[0111] When the flow rate values ​​corresponding to all differential flow rate information are less than the upper limit of change, it indicates that the water flow rate gradually decreased before the abnormal current of the circulating pump, without any sudden change. This means that sludge accumulation has caused blockage at the outlet of the circulating pump. At this time, a blockage signal is output to identify the situation. The circulating pump is not damaged at this time, and its normal operation can be maintained. At the same time, the impact duration of the cleaning pump is controlled so that the external water flow can impact the sludge blocking the circulating pump, so that the sludge blocking the outlet of the circulating pump can be flushed away, thereby allowing the circulating pump to work normally. The impact duration is a set value set by the staff according to the actual situation, and will not be elaborated further.

[0112] Reference Figure 3 After outputting a blockage signal and controlling the duration of the cleaning pump's impact, the ultrafiltration system control method also includes:

[0113] Step S300: Obtain the instantaneous flow rate information of the circulating pump outlet.

[0114] The instantaneous flow rate information corresponds to the instantaneous flow rate value at the outlet of the circulating pump after the blockage signal is output and the cleaning pump operates for the duration of impact.

[0115] Step S301: Determine whether the flow value corresponding to the instantaneous flow information is greater than the preset baseline flow value.

[0116] The baseline flow rate is the minimum flow rate when the outlet of the circulating pump is not blocked. The purpose of this determination is to determine whether the sludge blocking the outlet of the circulating pump has been completely treated.

[0117] Step S3011: If the flow rate value corresponding to the instantaneous flow rate information is not greater than the reference flow rate value, output a blockage continuous signal and control the circulation pump to stop operating, and continuously start the cleaning pump to clean the pipeline loop.

[0118] When the instantaneous flow rate information corresponds to a flow rate value that is not greater than the baseline flow rate value, it indicates that the sludge at the outlet of the circulating pump has not been cleaned. At this time, a continuous blockage signal is output to mark the situation and control the circulating pump to stop operating in order to protect the circulating pump. At the same time, the cleaning pump is started to clean the pipeline loop.

[0119] Step S3012: If the instantaneous flow rate value is greater than the baseline flow rate value, determine whether a normal operation signal exists.

[0120] When the instantaneous flow rate value is greater than the baseline flow rate value, it indicates that the sludge at the outlet of the circulating pump has been cleaned. The purpose of this judgment is to determine whether the circulating pump is damaged.

[0121] Step S30121: If a normal operation signal exists, maintain the normal operation of the circulating pump.

[0122] When a normal operation signal is present, it indicates that the circulating pump is not damaged, and the circulating pump can be kept running normally.

[0123] Step S30122: If there is no normal operation signal, control the circulation pump to stop operating and continuously start the cleaning pump to clean the pipeline loop.

[0124] When there is no normal operation signal, it indicates that the circulation pump itself is damaged. At this time, control the circulation pump to stop operating and start the cleaning pump to clean the pipeline loop to reduce the possibility of pipeline loop failure.

[0125] Reference Figure 4 The method for starting a cleaning pump to clean the pipeline loop after the circulating pump stops operating includes:

[0126] Step S400: Determine if there is a persistent blockage signal.

[0127] The purpose of this assessment is to determine whether the current start-up of the cleaning pump is for cleaning the entire pipeline loop or for further treatment of the sludge at the outlet of the circulating pump.

[0128] Step S401: If a persistent blockage signal exists, the deviation flow information is determined by calculating the difference between the baseline flow rate and the instantaneous flow rate information.

[0129] When a persistent blockage signal is present, it indicates that the cleaning pump operation is being performed to further treat the sludge at the outlet of the circulating pump. The flow rate value corresponding to the deviation flow rate information is the difference between the current flow rate value at the outlet of the circulating pump and the required flow rate value, which is determined by subtracting the flow rate value corresponding to the instantaneous flow rate information from the baseline flow rate value.

[0130] Step S402: Perform a matching analysis based on the deviation flow information and correction gear information stored in the correction database to determine the correction gear information corresponding to the deviation flow information.

[0131] The gear position corresponding to the correction gear information is the gear position that needs to be adjusted for the cleaning pump. Different deviation flow information indicates that the removal effect of sludge by the impact of raw water flow is inconsistent. The larger the deviation flow, the worse the effect of impacting sludge with raw water flow, and vice versa. Therefore, different deviation flow information corresponds to different correction gear information. The relationship between the two is determined by the staff through multiple tests in advance. The staff also establishes a correction database based on the correspondence between the two to facilitate subsequent data query. The method of establishing the database is a conventional technical means for those skilled in the art and will not be described in detail.

[0132] Step S403: Calculate and determine the working gear information based on the corrected gear information and the preset fixed gear.

[0133] The fixed gear is the gear at which the cleaning pump is currently operating. The gear corresponding to the operating gear information is the gear that can effectively clean the sludge at the outlet of the circulating pump. It is determined by the fixed gear plus the gear corresponding to the correction gear information. In the cleaning pump used in this application, the higher the gear, the greater the impact force of the water flow drawn by the cleaning pump.

[0134] Step S404: Control the cleaning pump to operate at the gear corresponding to the working gear information until the instantaneous flow rate value is greater than the reference flow rate value.

[0135] Controlling the cleaning pump to operate at the gear level corresponding to the operating gear information ensures that the sludge at the outlet of the circulating pump can be effectively cleaned.

[0136] Reference Figure 5 If there is no persistent blockage signal, the cleaning pump can be started to clean the pipeline loop using the following methods:

[0137] Step S500: Obtain the pre-set beam intensity information of the beam detection device, wherein the beam detection device is installed at a pre-set cleaning outlet and is spaced apart along the circumference of the pipeline.

[0138] When there is no persistent blockage signal, it indicates that the current cleaning pump is being started to clean the entire pipeline loop. The through-beam detection device is an infrared through-beam sensor installed at the pipeline cleaning outlet. The pipeline cleaning outlet is the outlet from which sludge is discharged within the pipeline loop. Specific settings are as follows: Figure 6 The intensity value corresponding to the beam intensity information is the intensity value of the signal output by the transmitting device received by the receiving device in the beam detection equipment.

[0139] Step S501: Determine whether the intensity value corresponding to the beam intensity information is greater than the preset received intensity value.

[0140] The received strength value is the minimum signal strength value that the receiving device can receive the signal output by the transmitting device when set by the staff. The purpose of the judgment is to know whether the transmitting device can receive the signal output by the receiving device, so as to determine whether the water discharged from the cleaning outlet is clear.

[0141] Step S5011: If the intensity value corresponding to the through-beam intensity information is greater than the received intensity value, then the through-beam detection device is defined as a transparent device.

[0142] When the intensity value corresponding to the beam intensity information is greater than the received intensity value, it indicates that the current signal can be transmitted well in the water, that is, the light signal is not blocked by the sludge. At this time, there is no sludge passing through the area between the beam detection devices. The beam detection device is defined as a transparent device for identification, so as to distinguish different beam detection devices and facilitate subsequent analysis.

[0143] Step S5012: If the intensity value corresponding to the beam intensity information is not greater than the received intensity value, then the beam detection device is defined as a blocking device.

[0144] When the intensity value corresponding to the beam intensity information is not greater than the received intensity value, it indicates that the current signal cannot be transmitted well in the water, that is, the light signal is blocked by sludge. At this time, there is sludge passing through the area between the beam detection devices. The beam detection device is defined as a blocking device for identification, so as to distinguish different beam detection devices and facilitate subsequent analysis.

[0145] Step S502: Determine whether all through-beam detection devices are transparent devices at the same time.

[0146] The purpose of the judgment is to determine whether there is sludge in the water discharged from the pipe at the same time.

[0147] Step S5021: If not all through-beam detection devices are transparent at the same time, output a blocking signal and maintain the cleaning pump operation to clean the pipeline loop.

[0148] If all through-beam testing devices are not transparent at the same time, it indicates that there is still sludge discharge, meaning that there is still sludge in the pipeline loop that has not been cleaned. In this case, the cleaning pump should be kept running to continue cleaning the pipeline loop, and a blocking signal should be output to mark the situation for subsequent analysis.

[0149] Step S5022: If all through-beam detection devices are transparent devices at the same time, maintain the operation of the cleaning pump to clean the pipeline loop, and control the preset judgment time to count down.

[0150] When all through-beam testing devices are transparent at the same time, it indicates that no sludge has been discharged, meaning that the sludge cleaning in the pipeline loop may have been completed. At this time, the judgment time is counted down to record the situation within the judgment time for subsequent analysis. The judgment time is a fixed value set by the staff.

[0151] Step S503: Determine whether there is an obstruction signal before the judgment duration timer resets to zero.

[0152] The purpose of the judgment is to determine whether sludge has appeared during the countdown of the judgment duration.

[0153] Step S5031: If there is an obstruction signal before the determination duration is zero, control the determination duration to reset so that the countdown can start again.

[0154] If there is an obstruction signal before the judgment duration is reset to zero, it indicates that there is still sludge in the pipeline loop that has not been treated. At this time, the judgment duration is reset and the timer is restarted to make the determination of the sludge treatment status more accurate.

[0155] Step S5032: If it is determined that there is no obstruction signal when the timer returns to zero, output a cleaning completion signal and control the cleaning pump to stop operation.

[0156] When the judgment timer returns to zero and there is no obstruction signal, it means that no sludge has reappeared in the pipeline loop for a period of time. At this time, it can be assumed that the sludge treatment is completed. Then, the cleaning pump is turned off and a cleaning completion signal is output to inform the staff of the situation so that the staff can carry out subsequent processing.

[0157] Reference Figure 7 The method of using a cleaning pump to clean the pipeline loop also includes:

[0158] Step S600: When the determination time is reset, the preset number of resets is incremented by one.

[0159] The initial value of the reset count is zero. When a determination duration reset occurs, the reset count is incremented by one, thereby recording the number of determination duration resets.

[0160] Step S601: Determine whether the number of resets is greater than the preset reasonable number.

[0161] The reasonable number of times is the number of times the reset is performed within the allowed judgment time set by the staff. The purpose of the judgment is to find out if there is a situation where a little sludge appears at intervals, so as to determine whether the current water flow can effectively treat the sludge.

[0162] Step S6011: If the number of resets is not greater than a reasonable number, continue the cleaning pump operation to clean the pipeline loop.

[0163] If the number of resets does not exceed the reasonable number, it indicates that the normal detection process is underway, and the cleaning pump operation can be maintained.

[0164] Step S6012: If the number of resets is greater than the reasonable number, the impact gear information is determined according to the preset adjustment gear and fixed gear, and the cleaning pump is controlled to operate at the gear corresponding to the impact gear information until the cleaning completion signal is output.

[0165] When the number of resets exceeds the reasonable number, it indicates that there are frequent instances of sludge appearing at intervals, meaning that sludge is attached to the pipe and cannot be effectively removed by the current water flow. In this case, the appropriate setting for the cleaning pump to effectively handle the sludge should be determined by adjusting the pump's setting. The required pump setting, i.e., the impact setting, should be recorded. The setting can be predetermined by the staff or determined based on the specific cleaning situation. The specific method is set by the staff and will not be elaborated further.

[0166] Reference Figure 8 The methods for determining the gear position include:

[0167] Step S700: Obtain timing duration information before determining the duration reset.

[0168] The duration value corresponding to the timing information is the elapsed time before the judgment duration is reset. For example, if the judgment duration is 2 seconds and there are 0.5 seconds left before the judgment duration is reset, then the duration value corresponding to the timing information is 1.5 seconds.

[0169] Step S701: Calculate the average of the duration values ​​corresponding to all timing duration information to determine the interval duration information.

[0170] The duration value corresponding to the interval duration information is the average of the duration values ​​corresponding to all timing duration information.

[0171] Step S702: Match and analyze the interval duration information stored in the preset gear database with the gear to determine the gear corresponding to the interval duration information.

[0172] Different interval durations represent different impact effects of the raw water flow on the sludge. For example, a longer interval duration indicates that the sludge has been present for a longer period of time, meaning that the impact effect of the water flow on the sludge is poor. In this case, more settings need to be adjusted. Thus, different interval durations correspond to different adjustment settings. The relationship between the two is determined by the staff through multiple experiments, and a settings database is established based on the corresponding relationship to facilitate data retrieval. The method of establishing the database is a conventional technical means for those skilled in the art and will not be elaborated upon.

[0173] Reference Figure 9 Based on the same inventive concept, embodiments of the present invention provide a control system for an ultrafiltration system, comprising:

[0174] The acquisition module is used to acquire the operating current information of the circulating pump;

[0175] The processing module, connected to the acquisition and judgment modules, is used for information storage and processing;

[0176] The judgment module, connected to the acquisition and processing modules, is used for judging information.

[0177] The judgment module determines whether the current value corresponding to the working current information is within the preset reasonable current range;

[0178] If the judgment module determines that the current value corresponding to the working current information is within a reasonable current range, the processing module outputs a normal working signal and controls the circulating pump to continue working.

[0179] If the judgment module determines that the current value corresponding to the working current information is not within the reasonable current range, the processing module controls the circulating pump to stop working and controls the cleaning pump preset on the pipeline loop to work to clean the pipeline loop.

[0180] The anomaly analysis and determination module is used to analyze abnormal situations of the circulating pump to determine whether the outlet of the circulating pump is blocked.

[0181] The equipment blockage handling module is used to handle situations where the outlet of the circulating pump is blocked;

[0182] The gear setting correction module is used to correct the operating gear of the cleaning pump, so that the cleaning pump can effectively treat the sludge clogging the outlet of the circulation pump.

[0183] The cleaning degree determination module is used to determine the cleaning degree of the pipeline loop in order to determine whether cleaning can be stopped;

[0184] The gear adjustment determination module adjusts the cleaning pump gear in the case of multiple time resets, so that the cleaning pump can effectively clean the pipeline loop.

[0185] The gear selection module is used to determine the most suitable gear.

[0186] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional modules is used as an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device, and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0187] This invention provides a computer-readable storage medium storing a computer program that can be loaded by a processor and executed as an ultrafiltration system control method.

[0188] Computer storage media include, for example, USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, optical disks, and other media that can store program code.

[0189] Based on the same inventive concept, embodiments of the present invention provide a smart terminal, including a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and executed as an ultrafiltration system control method.

[0190] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional modules is used as an example. In practical applications, the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device, and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0191] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Any feature disclosed in this specification (including the abstract and drawings) may be replaced by other equivalent or similar features unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is only one example of a series of equivalent or similar features.

Claims

1. An ultrafiltration system control method, characterized by, The method comprises the following steps: acquiring operation current information of the circulating pump; judging whether the current value corresponding to the operation current information is within a preset reasonable current range; if the current value corresponding to the operation current information is within the reasonable current range, outputting a normal operation signal and controlling the circulating pump to continue operation; if the current value corresponding to the operation current information is not within the reasonable current range, controlling the circulating pump to stop operation and controlling a cleaning pump preset on the pipeline loop to operate to clean the pipeline loop; if the current value corresponding to the operation current information is not within the reasonable current range, the ultrafiltration system control method further comprises the following steps: reversibly establishing a detection interval with a preset fixed time length on a preset forward time axis, and evenly dividing the detection interval into a plurality of unit intervals; acquiring unit flow information of the circulating pump outlet in each unit interval; carrying out difference calculation according to the unit flow information of adjacent unit intervals to determine difference flow information; judging whether the flow values corresponding to all the difference flow information are less than a preset upper limit value of change; if the flow values corresponding to all the difference flow information are not less than the upper limit value of change, controlling the circulating pump to stop operation and controlling the cleaning pump on the pipeline loop to operate to clean the pipeline loop; if the flow values corresponding to all the difference flow information are less than the upper limit value of change, outputting a blockage signal and maintaining normal operation of the circulating pump, and controlling the cleaning pump on the pipeline loop to operate for a preset impact time length; after the blockage signal is output and the cleaning pump is controlled to operate for the impact time length, the ultrafiltration system control method further comprises the following steps: acquiring instantaneous flow information of the circulating pump outlet; judging whether the flow value corresponding to the instantaneous flow information is greater than a preset reference flow value; if the flow value corresponding to the instantaneous flow information is not greater than the reference flow value, outputting a blockage continuation signal and controlling the circulating pump to stop operation, and continuously starting the cleaning pump to clean the pipeline loop; if the flow value corresponding to the instantaneous flow information is greater than the reference flow value, judging whether there is a normal operation signal; if there is the normal operation signal, maintaining normal operation of the circulating pump; if there is no normal operation signal, controlling the circulating pump to stop operation, and continuously starting the cleaning pump to clean the pipeline loop.

2. The ultrafiltration system control method of claim 1, wherein after the circulating pump stops operation, the method for starting the cleaning pump to clean the pipeline loop comprises the following steps: judging whether there is a blockage continuation signal; if there is the blockage continuation signal, carrying out difference calculation according to the reference flow value and the instantaneous flow information to determine deviation flow information; carrying out matching analysis on the deviation flow information and correction gear information stored in a correction database to determine correction gear information corresponding to the deviation flow information; carrying out calculation according to the correction gear information and a preset fixed gear to determine operation gear information; controlling the cleaning pump to operate at the gear corresponding to the operation gear information until the flow value corresponding to the instantaneous flow information is greater than the reference flow value.

3. The ultrafiltration system control method of claim 2, wherein, if there is no blockage continuation signal, the method for starting the cleaning pump to clean the pipeline loop comprises the following steps: acquiring transmission intensity information of a transmission detection device, wherein the transmission detection device is installed at a preset cleaning outlet and is arranged along the pipeline circumference at intervals; judging whether the intensity value corresponding to the transmission intensity information is greater than a preset receiving intensity value; If the intensity value corresponding to the pair of radiation intensity information is greater than the received intensity value, the pair of radiation detection device is defined as a transparent device; If the intensity value corresponding to the pair of radiation intensity information is not greater than the received intensity value, the pair of radiation detection device is defined as a blocking device; Determine whether all pair of radiation detection devices are transparent devices at the same time; If all pair of radiation detection devices are not transparent devices at the same time, output a blocking signal and maintain the cleaning pump operation to clean the pipeline loop; If all pair of radiation detection devices are transparent devices at the same time, maintain the cleaning pump operation to clean the pipeline loop, and control the preset determination time length to count down; Determine whether there is a blocking signal before the determination time length count is reset to zero; If there is a blocking signal before the determination time length count is reset to zero, control the determination time length to reset to re-count down; If there is no blocking signal before the determination time length count is reset to zero, output a cleaning completion signal and control the cleaning pump to stop operation.

4. The ultrafiltration system control method of claim 3, wherein, The method for cleaning the pipeline loop by the cleaning pump also includes: Control the preset reset number to update by one when the determination time length is reset; Determine whether the reset number is greater than the preset reasonable number; If the reset number is not greater than the reasonable number, maintain the cleaning pump operation to clean the pipeline loop; If the reset number is greater than the reasonable number, determine the impact gear information according to the preset adjustment gear and the fixed gear, and control the cleaning pump to operate at the gear corresponding to the impact gear information until the cleaning completion signal is output.

5. The ultrafiltration system control method of claim 4, wherein, The determination method of the adjustment gear includes: Obtain the time length information before the determination time length is reset; Determine the interval time length information by mean calculation according to the time length values corresponding to all time length information; Match and analyze the interval time length information and the adjustment gear stored in the preset gear database to determine the adjustment gear corresponding to the interval time length information.

6. A smart terminal, characterized by The memory and the processor, the memory has computer program capable of being loaded and executed by the processor and executing the ultrafiltration system control method as claimed in any one of claims 1 to 5.

7. A computer-readable storage medium, characterized in that, The memory has computer program capable of being loaded and executed by the processor and executing the ultrafiltration system control method as claimed in any one of claims 1 to 5.

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