Automatic detection system and detection method for single membrane shell of reverse osmosis membrane module

Abstract

The invention provides an automatic detection system and detection method for a single membrane shell of a reverse osmosis membrane group, the automatic detection system comprises a plurality of sampling tubes, a plurality of conductivity detectors and a data processing module, each sampling tube is connected to a water production end of one membrane shell in the reverse osmosis membrane group, the plurality of sampling tubes and the plurality of membrane shells in the reverse osmosis membrane group are arranged in a one-to-one correspondence manner, and the conductivity detectors are connected with the data processing module. A conductivity detector is mounted on each sampling tube, so that the conductivity of water output by the corresponding membrane shell is detected through the conductivity detector, and the plurality of conductivity detectors are electrically connected with the data processing module. In the scheme, the conductivity detector is connected with the data processing module, so that conductivity data of a single membrane shell can be acquired and analyzed in real time. The data processing module can process a large amount of data and automatically judge the operation state of each membrane shell, so that the performance problem of local membrane shells can be found, unnecessary replacement and maintenance are reduced, downtime in operation is avoided, the need of manual intervention is reduced, and errors in manual measurement are eliminated.

Description

Technical Field

[0001] The invention relates to the technical field of industrial wastewater treatment, and in particular to an automatic detection system and method for a single membrane shell of a reverse osmosis membrane group. Background Art

[0002] At present, in the process of deep sewage treatment, the dual membrane system is composed of an ultrafiltration system and a reverse osmosis system, in which the reverse osmosis system is set up in parallel with multiple membrane groups to increase the overall operating load of the system. The conductivity of the reverse osmosis membrane in the reverse osmosis system is an important parameter reflecting the performance of the reverse osmosis membrane. Therefore, the detection and maintenance of the reverse osmosis membrane becomes very important in the entire sewage treatment process.

[0003] In the prior art, the detection of reverse osmosis membranes is carried out by testing the conductivity of the entire membrane group, and then manually testing a single membrane shell regularly, thereby collecting the test data for analysis and finding the single membrane shell that needs maintenance. This method is inconvenient to collect data and has large errors, and cannot accurately reflect the operating conditions of a single membrane shell in the reverse osmosis membrane group. Summary of the invention

[0004] The present invention provides a reverse osmosis membrane group single membrane shell automatic detection system and detection method, so as to solve the problem that the detection method in the prior art cannot accurately reflect the operation status of a single membrane shell.

[0005] In order to solve the above-mentioned problem, according to one aspect of the present invention, the present invention provides an automatic detection system for a single membrane shell of a reverse osmosis membrane group, comprising multiple sampling tubes, multiple conductivity detectors and a data processing module, each sampling tube is connected to the water production end of a membrane shell in the reverse osmosis membrane group, the multiple sampling tubes and the multiple membrane shells in the reverse osmosis membrane group are arranged in a one-to-one correspondence, a conductivity detector is installed on each sampling tube to detect the conductivity of water output by the corresponding membrane shell through the conductivity detector, and the multiple conductivity detectors are all electrically connected to the data processing module.

[0006] Furthermore, the data processing module is installed at the production site, and the data processing module has an on-site display screen, which is used for data display and early warning.

[0007] Furthermore, the reverse osmosis membrane group single membrane shell automatic detection system also includes a main control room, and the data processing module is connected to the main control room via a cable.

[0008] Furthermore, a master control display screen and an alarm device are provided in the master control room. The master control display screen is used to display the detection data of multiple conductivity detectors, and the alarm device is used to issue an alarm message when the detection data is abnormal.

[0009] According to another aspect of the present invention, a detection method is provided, which is used for the above-mentioned automatic detection system for a single membrane shell of a reverse osmosis membrane group. The detection method comprises: leading out a sampling tube from the water production end of each membrane shell in the reverse osmosis membrane group; installing a conductivity detector on each sampling tube to detect the conductivity of water output by the corresponding membrane shell through the conductivity detector.

[0010] Further, when the measured value of the conductivity detector is less than 300 us / cm, the corresponding membrane shell is determined to be normal; when the measured value of the conductivity detector is greater than or equal to 300 us / cm, the corresponding membrane shell is determined to be abnormal.

[0011] Furthermore, the detection method further comprises: issuing an alarm message when it is determined that the corresponding membrane shell is abnormal.

[0012] Furthermore, the detection method further comprises: when it is determined that the corresponding membrane shell is abnormal, performing a probe test on the abnormal membrane shell to further confirm the operation status of the membrane shell.

[0013] Furthermore, the detection method also includes: transmitting the measurement value of the conductivity detector to a data processing module, and the data processing module is used to perform data collection, data analysis, and data transmission on the measurement value.

[0014] Furthermore, the detection method also includes: transmitting the data processed by the data processing module to the main control room, and the main control display screen in the main control room can display the instantaneous data, historical data, and historical curve of the conductivity of a single membrane shell.

[0015] By applying the technical solution of the present invention, there is provided an automatic detection system for a single membrane shell of a reverse osmosis membrane group, comprising a plurality of sampling tubes, a plurality of conductivity detectors and a data processing module, wherein each sampling tube is connected to the water production end of a membrane shell in the reverse osmosis membrane group, the plurality of sampling tubes and the plurality of membrane shells in the reverse osmosis membrane group are arranged in a one-to-one correspondence, a conductivity detector is installed on each sampling tube to detect the conductivity of water output by the corresponding membrane shell through the conductivity detector, and the plurality of conductivity detectors are all electrically connected to the data processing module.

[0016] In this scheme, conductivity reflects the concentration of dissolved salts and other ions in water, and thus reflects the purity of water. During operation, the performance of the reverse osmosis membrane group will deteriorate due to pollution, scaling and other reasons. The conductivity data can be used to monitor the health of a single membrane shell in the reverse osmosis membrane group and promptly detect performance changes of a single membrane shell. Each sampling tube is connected to the water production end of a membrane shell in a reverse osmosis membrane group and equipped with a conductivity detector. This allows real-time detection of the conductivity of water passing through a single membrane shell, and allows accurate understanding of the performance of a single membrane shell. The conductivity detector is connected to the data processing module, and can collect and analyze the conductivity data of a single membrane shell in real time. The data processing module can process large amounts of data and automatically determine the operating status of each membrane shell. Since the membranes in different membrane shells may have different contamination conditions due to factors such as influent water quality and usage time, conducting conductivity monitoring on each membrane shell individually can help to discover performance problems of local membrane shells, timely monitor and identify abnormal conditions of individual membrane shells, reduce the risk of system downtime, and help reduce unnecessary replacement and maintenance of the entire reverse osmosis membrane group, ensuring that the detection system can continue to operate efficiently, thereby avoiding downtime during operation. Moreover, the conductivity detector and data processing module in the system can perform continuous and accurate monitoring, reducing the need for manual intervention and eliminating errors in manual measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. 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:

[0018] Figure 1 The schematic diagram of the working process of the automatic detection system for a single membrane shell of a reverse osmosis membrane group provided by an embodiment of the present invention is shown.

[0019] The above drawings include the following reference numerals:

[0020] 10. Sampling tube;

[0021] 20. Conductivity detector;

[0022] 30. Data processing module;

[0023] 40. Main control room;

[0024] 50. Alarm device. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1 As shown, an embodiment of the present invention provides an automatic detection system for a single membrane shell of a reverse osmosis membrane group, including multiple sampling tubes 10, multiple conductivity detectors 20 and a data processing module 30, each sampling tube 10 is connected to the water production end of a membrane shell in the reverse osmosis membrane group, the multiple sampling tubes 10 and the multiple membrane shells in the reverse osmosis membrane group are arranged in a one-to-one correspondence, a conductivity detector 20 is installed on each sampling tube 10 to detect the conductivity of water output by the corresponding membrane shell through the conductivity detector 20, and the multiple conductivity detectors 20 are all electrically connected to the data processing module 30.

[0027] In this embodiment, the conductivity reflects the concentration of dissolved salts and other ions in the water, and thus reflects the purity of the water. During operation, the performance of the reverse osmosis membrane group may deteriorate due to pollution, scaling, and other reasons. The health of a single membrane shell of the reverse osmosis membrane group can be monitored through the conductivity data, and the performance changes of a single membrane shell can be discovered in time. Each sampling tube 10 is connected to the water production end of a membrane shell in a reverse osmosis membrane group, and is equipped with a conductivity detector 20, so that the conductivity of water passing through a single membrane shell can be detected in real time, and the performance of a single membrane shell can be accurately understood. The conductivity detector 20 is connected to the data processing module 30, and the conductivity data of a single membrane shell can be collected and analyzed in real time. The data processing module 30 can process a large amount of data and automatically determine the operating status of each membrane shell. Since the membranes of different membrane shells may have different contamination conditions due to factors such as influent water quality and usage time, monitoring the conductivity of each membrane shell individually can help discover performance problems of local membrane shells, timely monitor and identify abnormal conditions of individual membrane shells, reduce the risk of system shutdown, and help reduce unnecessary replacement and maintenance of the entire reverse osmosis membrane group, ensuring that the detection system can continue to operate efficiently, thereby avoiding downtime during operation. Moreover, the conductivity detector 20 and data processing module 30 in the system can perform continuous and accurate monitoring, reducing the need for manual intervention and eliminating errors in manual measurement.

[0028] Furthermore, the data processing module 30 is installed at the production site, and the data processing module 30 has an on-site display screen, which is used for data display and early warning.

[0029] In this embodiment, the on-site display screen can display the conductivity data of each membrane shell in real time, so that the operator can intuitively and clearly see the performance status of each membrane shell, and can quickly identify and analyze the operating status of a single membrane shell, and timely discover potential problems. There is no need to view data through a remote system or a complex operation interface, and key information can be directly obtained on site, reducing the delay in information acquisition and the complexity of operation, and improving work efficiency. Moreover, when the conductivity of a membrane shell exceeds the preset normal range, the data processing module 30 can immediately trigger an alarm and send an obvious warning signal (such as red flashing, text prompts, etc.) through the display screen to remind the operator that the single membrane shell may fail, which can help the operator get a notice in the early stage of the problem, so that measures can be taken quickly to reduce the risk of damage to the single membrane shell, avoid the occurrence of serious failures, and reduce the production downtime caused by the problem of the single membrane shell. Moreover, the data processing module 30 usually stores historical data for a period of time, and the operator can not only view the real-time data, but also look back to view the historical data, so as to make better analysis and decision-making.

[0030] The reverse osmosis membrane group single membrane shell automatic detection system further includes a main control room 40, and the data processing module 30 is connected to the main control room 40 via a cable.

[0031] In this embodiment, the main control room 40 can integrate all the information from the field data processing module 30, including the conductivity data, operating status, alarm information, etc. of each membrane shell, for centralized monitoring and management. The operator of the main control room 40 can view the overall operating status of the reverse osmosis membrane group in real time without checking one by one on site, and can easily grasp the status of all individual membrane shells of the reverse osmosis membrane group at one location. This can improve management efficiency, save manpower, and provide a faster response for the production and maintenance team. In addition, the main control room 40 provides a centralized information and alarm platform, which can uniformly monitor the conductivity change trend and other operating parameters of a single membrane shell. Once an abnormality is found, the system will automatically issue an early warning, reducing the possibility of omissions and human negligence, thereby improving the safety and operational stability of the entire system.

[0032] Specifically, a master control display screen and an alarm device 50 are provided in the master control room 40 . The master control display screen is used to display the detection data of the plurality of conductivity detectors 20 , and the alarm device 50 is used to issue an alarm message when the detection data is abnormal.

[0033] In this embodiment, the master control display screen in the master control room 40 centrally displays the real-time detection data of multiple conductivity detectors 20, and the operator can intuitively see the conductivity and related data of each membrane shell, which can help the operator to grasp the operating status of a single membrane shell in the reverse osmosis system at any time. Once an abnormal situation occurs (such as the conductivity of a single membrane shell exceeds the standard), the operator can find it at the first time and quickly take corresponding treatment measures. Through the graphical or numerical display of data, the operator can more efficiently and accurately judge the overall health status of the reverse osmosis membrane group, and also reduce the blind spots and delays of manual inspection. Once the operator receives an alarm, he can quickly locate the problem and take measures in time, which can reduce downtime and avoid further degradation or damage of the performance of a single membrane shell. Through the real-time data monitoring and alarm device 50, the system can timely identify the abnormality in the operation of the reverse osmosis membrane group, and take countermeasures in time, such as cleaning, maintenance, and adjustment, which can effectively prevent excessive pollution, scaling or damage of a single membrane shell, thereby reducing equipment failure and downtime.

[0034] According to another aspect of the present invention, a detection method is provided, which is used for the above-mentioned automatic detection system for a single membrane shell of a reverse osmosis membrane group. The detection method comprises: leading out a sampling tube 10 at the water production end of each membrane shell in the reverse osmosis membrane group; and installing a conductivity detector 20 on each sampling tube 10 to detect the conductivity of water output by the corresponding membrane shell through the conductivity detector 20.

[0035] In this embodiment, the water production end of each membrane shell is equipped with a separate sampling tube 10 and a conductivity detector 20, so that the water quality of the water production end of a single membrane shell can be independently monitored. The conductivity detector 20 can accurately measure the conductivity of the water quality at the water production end of the membrane shell, thereby reflecting the concentration of dissolved salts, minerals and other substances in the water, so that the operating status of a single membrane shell can be accurately judged. Because the operating effect of a single membrane shell will be affected by different factors (such as pollution, scaling, membrane aging, etc.), by monitoring the conductivity of a single membrane shell separately, it is possible to promptly discover possible problems with a single membrane shell and avoid the reduction of the overall performance of the reverse osmosis membrane group. The reverse osmosis membrane group may degrade in performance due to pollution, scaling or other reasons during long-term use, which is manifested as a change in conductivity. When the conductivity of a single membrane shell exceeds the set range, the conductivity detector 20 will issue a warning or alarm message, so that the performance degradation or failure of a single membrane shell can be discovered as early as possible. Early warning can prevent further contamination or damage of a single membrane shell, reduce unnecessary system downtime, and timely detection and taking measures (such as membrane cleaning, membrane replacement, etc.) can improve the operating stability and reliability of the reverse osmosis membrane group. Installing a conductivity detector 20 on each membrane shell makes the monitoring of the reverse osmosis membrane group more flexible, and the operating conditions of different membrane shells can be analyzed separately, and optimized adjustments can be made based on the water quality test results of a single membrane shell.

[0036] Further, when the measurement value of the conductivity detector 20 is less than 300 us / cm, the corresponding membrane shell is determined to be normal; when the measurement value of the conductivity detector 20 is greater than or equal to 300 us / cm, the corresponding membrane shell is determined to be abnormal.

[0037] In this embodiment, by setting a clear conductivity threshold of 300us / cm, the operator can quickly determine the operating status of the membrane shell. If the conductivity is less than 300us / cm, the system automatically determines that the membrane shell is normal, otherwise it is determined to be abnormal. This simple and clear judgment standard makes fault diagnosis intuitive and easy to understand, avoiding complex data analysis processes. The operator can quickly confirm the location of the problematic membrane shell by directly observing the changes in the conductivity value, without in-depth analysis of multiple parameters or long-term observation of data trends. This not only improves work efficiency, but also reduces the possibility of human errors and misjudgments. It can also reduce the burden on on-site staff, without the need for manual frequent inspections of the water quality of each membrane shell, and can also avoid judgment delays caused by human negligence. In addition, the fault alarm can also avoid excessive maintenance or delayed processing due to inaccurate judgment, thereby improving the efficiency of system maintenance.

[0038] The detection method further comprises: issuing an alarm message when it is determined that the corresponding membrane shell is abnormal.

[0039] In this embodiment, after the conductivity detector 20 finds that the conductivity of the membrane shell exceeds the standard and issues an alarm, the specific fault type of the abnormal membrane shell is determined, such as membrane pollution, scaling, damage or aging, so that targeted repair or replacement measures are taken to avoid misjudgment and reduce unnecessary maintenance costs. It can also eliminate human errors and ensure that when the conductivity exceeds the set value, the system will issue an alarm in time.

[0040] Specifically, the detection method further includes: when it is determined that the corresponding membrane shell is abnormal, performing a probe test on the abnormal membrane shell to further confirm the operation status of the membrane shell.

[0041] In this embodiment, the increase in conductivity of a single membrane shell may be due to a variety of reasons, such as membrane contamination, scaling, breakage, etc. Although the abnormality can be initially discovered by monitoring the conductivity alone, it is impossible to understand the specific problems of a single membrane shell in detail. Through the probe test, the state of a single membrane shell can be further confirmed, and the root cause of the fault can be diagnosed, so that the operator can more accurately determine whether the abnormality is caused by membrane contamination, scaling, damage or other factors, which can reduce misjudgment and avoid unnecessary repairs or replacement of membranes, thereby saving maintenance costs. Moreover, conducting a probe test on an abnormal membrane shell helps to promptly discover potential problems and solve them in a timely manner, thereby ensuring the stable operation of the reverse osmosis system and preventing the expansion of faults. In addition, through the probe test, it is possible to accurately know which of the multiple membranes in the membrane shell has failed, so that a single membrane can be replaced to avoid overall replacement and reduce costs.

[0042] Furthermore, the detection method further includes: transmitting the measurement value of the conductivity detector 20 to the data processing module 30, and the data processing module 30 is used for data collection, data analysis, and data transmission of the measurement value.

[0043] In this embodiment, the conductivity detector 20 transmits the real-time measured data to the data processing module 30, and the data processing module 30 is responsible for collecting, storing, analyzing and processing these data to form a complete data stream. The data processing module 30 can automatically collect the measurement data from multiple conductivity detectors 20 and perform real-time analysis, reducing manual intervention, making the storage, management and analysis of data more efficient and systematic, ensuring that the data will not be lost or misoperated, and also facilitating subsequent analysis and use. In addition, the data processing module 30 can also monitor and analyze the conductivity data in real time according to a preset threshold value, automatically determine whether there is an abnormality, and when it is found that the conductivity exceeds the standard, it can trigger an alarm in time to notify the operator for further processing. The data processing module 30 not only processes the conductivity data in real time, but also stores historical data, provides long-term trend analysis and backtracking functions, and through the storage and review of historical data, operators and managers can understand the long-term operating status and performance changes of the reverse osmosis membrane group.

[0044] Specifically, the detection method further includes: transmitting the data processed by the data processing module 30 to the main control room 40, and the main control display screen in the main control room 40 can display the instantaneous conductivity data, historical data, and historical curve of a single membrane shell.

[0045] In this embodiment, the master control display screen can display the instantaneous conductivity data of each membrane shell in real time, so that the operator can grasp the operating status of each membrane shell at any time. By displaying the conductivity data of the membrane shell in real time, the operator can timely understand the operating conditions of each membrane shell. Once the conductivity of a membrane shell is found to fluctuate abnormally, corresponding measures can be taken quickly, so that a warning can be obtained at the early stage of the problem, and timely intervention can be carried out to prevent the expansion or delay of the fault, thereby ensuring the stability and operating efficiency of the system. Moreover, displaying the historical data and historical curves of the membrane shell on the master control display screen can help the operator identify the trend of conductivity data changes over time, discover potential problems, and help the operator review and analyze the operating trend of the system.

[0046] The automatic detection system for a single membrane shell of a reverse osmosis membrane group in this scheme works based on a conductivity detector 20 and a data processing module 30. The data processing module 30 has system control, data acquisition, storage and transmission functions, and system power-off automatic recovery functions. The system control function is responsible for the system control of the entire monitoring station, the protective operation and automatic recovery function when the system is powered off. Data collection, data analysis and data transmission are performed through the program of the data processing module 30 written in advance. Data display and early warning can be performed on site through the on-site display screen. The data is transmitted to the main control room 40, and online detection and alarm after the integration of single membrane shell data are implemented. When the normal measured value is less than 300us / cm and the conductivity is higher than 300us / cm, the control system of the main control room 40 will alarm, and the operator of the main control room 40 can check and adjust at any time according to the value of the online single membrane shell conductivity meter. Through detection and alarm, it is found that the conductivity is abnormal and a single membrane shell probe test is carried out in time, so as to effectively judge the operation of each membrane shell, and realize the conductivity over-limit alarm function, and connect the alarm device 50 and other equipment to alarm.

[0047] The above is only an optional embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of this solution. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being only exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0050] In the description of this scheme, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing this scheme and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the scope of protection of this scheme; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0051] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0052] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only to facilitate the distinction between corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this scheme.

Claims

1. A reverse osmosis membrane group single membrane shell automatic detection system, characterized in that: The invention comprises a plurality of sampling tubes (10), a plurality of conductivity detectors (20) and a data processing module (30), wherein each of the sampling tubes (10) is connected to the water production end of a membrane shell in a reverse osmosis membrane group, the plurality of sampling tubes (10) and the plurality of membrane shells in the reverse osmosis membrane group are arranged in a one-to-one correspondence, and a conductivity detector (20) is installed on each of the sampling tubes (10) so as to detect the conductivity of water outputted by the corresponding membrane shell through the conductivity detector (20), and the plurality of conductivity detectors (20) are all electrically connected to the data processing module (30).

2. The reverse osmosis membrane group single membrane shell automatic detection system according to claim 1, characterized in that: The data processing module (30) is installed at a production site, and the data processing module (30) has an on-site display screen, which is used for data display and early warning.

3. The reverse osmosis membrane group single membrane shell automatic detection system according to claim 1, characterized in that: The reverse osmosis membrane group single membrane shell automatic detection system also includes a main control room (40), and the data processing module (30) is connected to the main control room (40) via a cable.

4. The reverse osmosis membrane group single membrane shell automatic detection system according to claim 3, characterized in that: A master control display screen and an alarm device (50) are provided in the master control room (40). The master control display screen is used to display the detection data of the plurality of conductivity detectors (20). The alarm device (50) is used to issue an alarm message when the detection data is abnormal.

5. A detection method, characterized in that: The detection method is used in the automatic detection system for a single membrane shell of a reverse osmosis membrane group according to any one of claims 1 to 4, and the detection method comprises: A sampling tube (10) is led out from the water production end of each membrane shell in the reverse osmosis membrane group; A conductivity detector (20) is installed on each sampling tube (10) to detect the conductivity of water outputted by the corresponding membrane shell through the conductivity detector (20).

6. The detection method according to claim 5, characterized in that: When the measured value of the conductivity detector (20) is less than 300 us / cm, it is determined that the corresponding membrane shell is normal; When the measured value of the conductivity detector (20) is greater than or equal to 300 us / cm, it is determined that the corresponding membrane shell is abnormal.

7. The detection method according to claim 6, characterized in that: The detection method further comprises: When it is determined that the corresponding membrane shell is abnormal, an alarm message is issued.

8. The detection method according to claim 6, characterized in that: The detection method further comprises: When it is determined that the corresponding membrane shell is abnormal, a probe test is performed on the abnormal membrane shell to further confirm the operation status of the membrane shell.

9. The detection method according to claim 5, characterized in that: The detection method further comprises: The measured value of the conductivity detector (20) is transmitted to a data processing module (30), and the data processing module (30) is used to perform data collection, data analysis, and data transmission on the measured value.

10. The detection method according to claim 9, characterized in that: The detection method further comprises: The data processed by the data processing module (30) is transmitted to a main control room (40), and a main control display screen in the main control room (40) can display instantaneous conductivity data, historical data, and historical curves of a single membrane shell.

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