Filtration system capable of online disinfection, detection and cleaning and control method

Abstract

The present invention particularly relates to a filtration system capable of online disinfection, testing, and cleaning, comprising: a control system utilizing a temperature controller to observe and adjust the filtration temperature of a sterilizing filter and a redundant filter; a control system utilizing a pressure controller and an automatic regulating stop valve to observe, adjust, and control the filtration pressure of the sterilizing filter and the redundant filter; a control system utilizing a flow controller and an automatic regulating stop valve to observe and adjust the filtration flow of the sterilizing filter and the redundant filter; and a control system utilizing a cleaning device to clean the sterilizing filter and the redundant filter or to alternately clean the sterilizing filter and the redundant filter. The filtration system and control method capable of online disinfection, testing, and cleaning of the present invention primarily address the existing problem of requiring manual operation of the filtration system, reducing human influence and allowing the filtration elements to fully function.

Description

Technical Field

[0001] Embodiments of the present invention relate to a filtration system, and more particularly to a filtration system capable of online disinfection, detection and cleaning, and a control method. Background Art

[0002] Microfiltration technology has gained widespread recognition and application in many fields. With increasing demands for filter element filtration performance and process control, it is crucial to minimize human influence during use, fully utilizing the filter element's intended function, and to enable programming and control to accomplish tasks previously requiring manual adjustment, human operation, and offline testing. In existing technologies, disinfection, testing, and cleaning steps require manual switching, which is prone to errors. Therefore, it is necessary to develop a system that can automatically perform these functions through online disinfection, testing, and cleaning. The present invention was designed and developed with this requirement in mind. Summary of the Invention

[0003] The purpose of the embodiments of the present invention is to provide a filtration system and control method that can be disinfected, detected and cleaned online, mainly to solve the problem that the filtration system in the prior art requires manual operation and needs to reduce human influence, so as to fully play the role of the filtration element.

[0004] In order to achieve the above objectives, the embodiment of the present invention designs a filtration system capable of online disinfection, detection and cleaning, which is characterized by comprising:

[0005] A control system, wherein the control system utilizes a temperature controller to observe and adjust the filtration temperature of the sterilizing filter and the redundant filter;

[0006] The control system utilizes a pressure controller and an automatic regulating stop valve to observe and regulate the sterilizing filter and the redundant filter and control the filtration pressure;

[0007] The control system utilizes a flow controller and an automatic regulating stop valve to observe and regulate the filtration flow of the sterilizing filter and the redundant filter;

[0008] The control system utilizes a cleaning device to clean the sterilizing filter and the redundant filter or to clean the sterilizing filter and the redundant filter alternately.

[0009] Furthermore, the control system further includes:

[0010] Operation screen, the control system uses the function buttons provided on the operation screen to perform online disinfection, online testing and online cleaning;

[0011] The temperature controller, pressure controller, flow controller and operation screen are all arranged on the control cabinet.

[0012] Furthermore, the sterilizing filter further comprises: a first sterilizing filter and a second sterilizing filter;

[0013] The redundant filter further comprises: a first redundant filter and a second redundant filter;

[0014] The automatic regulating stop valve further comprises:

[0015] The outlet of the material is connected to the inlet of the first automatic regulating stop valve; the outlet of the first automatic regulating stop valve is connected to the inlets of the second automatic regulating stop valve, the third automatic regulating stop valve and the fourth automatic regulating stop valve respectively;

[0016] The outlet of the second automatic regulating stop valve is connected to the liquid inlet pipe of the cleaning circulation tank;

[0017] The outlet of the third automatic regulating stop valve is connected to the inlet of the first sterilizing filter; the outlet of the first sterilizing filter is connected to the inlet of the fifth automatic regulating stop valve; the outlet of the fifth automatic regulating stop valve is connected to the inlet of the first redundant filter; the outlet of the first redundant filter is connected to the inlet of the seventh automatic regulating stop valve; the outlet of the seventh automatic regulating stop valve is connected to one side of the ninth automatic regulating stop valve;

[0018] The outlet of the fourth automatic regulating stop valve is connected to the inlet of the second sterilizing filter; the outlet of the second sterilizing filter is connected to the inlet of the sixth automatic regulating stop valve; the outlet of the sixth automatic regulating stop valve is connected to the inlet of the second redundant filter; the outlet of the second redundant filter is connected to the inlet of the eighth automatic regulating stop valve; the outlet of the eighth automatic regulating stop valve is connected to the other side of the ninth automatic regulating stop valve;

[0019] The outlet of the ninth automatic regulating stop valve and the outlet of the eighth automatic regulating stop valve are connected in parallel to the pipeline between the outlet of the tenth automatic regulating stop valve and the inlet of the eleventh automatic regulating stop valve;

[0020] The inlet of the tenth automatic regulating stop valve is connected to the outlet of the liquid feed pump, and the inlet of the liquid feed pump is connected to the inlet of the material;

[0021] The outlet of the eleventh automatic regulating stop valve is connected to the outlet of the circulation pump; the inlet of the circulation pump is connected to the liquid outlet pipe of the cleaning circulation tank; the liquid outlet pipe and the liquid inlet pipe of the cleaning circulation tank are both arranged on the cleaning circulation tank;

[0022] The outlet of the twelfth automatic regulating stop valve, the outlet of the thirteenth automatic regulating stop valve, the inlet of the fourteenth automatic regulating stop valve, and the outlet of the seventeenth automatic regulating stop valve are respectively connected to the pipeline between the outlet of the eighth automatic regulating stop valve and the outlet of the tenth automatic regulating stop valve;

[0023] The inlet of the twelfth automatic regulating stop valve is connected to the cleaning port;

[0024] The inlet of the thirteenth automatic regulating stop valve is connected to the compressed air port;

[0025] The outlet of the fourteenth automatic regulating stop valve is a sewage outlet;

[0026] The inlet of the seventeenth automatic regulating stop valve is connected to the steam port;

[0027] to the inlet of the fifteenth automatic regulating stop valve between the outlet of the sixth automatic regulating stop valve being connected to the inlet of the second redundant filter;

[0028] to the inlet of the sixteenth automatic regulating stop valve between the outlet of the fifth automatic regulating stop valve and the inlet of the first redundant filter;

[0029] The outlet of the fifteenth automatic regulating stop valve and the outlet of the sixteenth automatic regulating stop valve are both sewage outlets.

[0030] Furthermore, the action sequences of the first automatic regulating stop valve to the sixteenth automatic regulating stop valve are all controlled by the control system.

[0031] Furthermore, the control system controls the first sterilizing filter, the first redundant filter, the second sterilizing filter, and the second redundant filter to perform alternating operation, detection, disinfection, and cleaning.

[0032] Furthermore, a first online detection interface is provided on the first sterilizing filter; a second online detection interface is provided on the second sterilizing filter; a third online detection interface is provided on the first redundant filter; and a fourth online detection interface is provided on the second redundant filter.

[0033] The control system is connected to the first online detection interface, the second online detection interface, the third online detection interface, and the fourth online detection interface respectively, and is used to perform online detection on the first sterilizing filter, the first redundant filter, the second sterilizing filter, and the second redundant filter.

[0034] At the same time, an embodiment of the present invention also provides a control method for a filtration system capable of online disinfection, detection and cleaning, characterized in that it includes the following steps:

[0035] While the first filter system is working, the second filter system is inspected, disinfected or cleaned;

[0036] When the second filter system is working, the first filter system is inspected, disinfected or cleaned.

[0037] Furthermore, the work also includes the following steps:

[0038] The first filtration system works: when the first sterilizing filter and the first redundant filter are in normal production, the control system opens the tenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve, and the first automatic regulating stop valve; the control system starts the liquid inlet pump, and the material passes through the tenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve, and the first automatic regulating stop valve to complete the filtration;

[0039] or

[0040] The second filtration system works: when the second sterilizing filter and the second redundant filter are in normal production, the control system opens the tenth automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the first automatic regulating stop valve; the control system starts the liquid inlet pump, and the material passes through the tenth automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the first automatic regulating stop valve and completes the filtration.

[0041] Furthermore, the disinfection further comprises the following sub-steps:

[0042] Step S10: Disinfection of the first filtration system: The control system opens the seventeenth, ninth, seventh, and fifth automatic regulating stop valves. Steam passes through the seventeenth, ninth, seventh, and fifth automatic regulating stop valves to disinfect the first sterilizing filter and the first redundant filter. The disinfection temperature is 121° C. for 20 to 30 minutes. After the disinfection time expires, the process proceeds to step S20.

[0043] Step S20: Drying the first filter system: The control system opens the thirteenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, and the fifth automatic regulating stop valve, and compressed air passes through the thirteenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, and the fifth automatic regulating stop valve to dry the first sterilizing filter and the first redundant filter; while drying, the control system opens the sixteenth automatic regulating stop valve to drain the condensed water;

[0044] or

[0045] Step 30: Disinfection of the Second Filter System: The control system opens the seventeenth, eighth, and sixth automatic regulating stop valves. Steam passes through the seventeenth, eighth, and sixth automatic regulating stop valves to disinfect the second sterilizing filter and the second redundant filter. The disinfection temperature is 121°C for 20 to 30 minutes. After the disinfection time expires, the process proceeds to step S40.

[0046] Step S40: Drying the second filtration system: the control system opens the thirteenth automatic regulating stop valve, the eighth automatic regulating stop valve, and the sixth automatic regulating stop valve, and the compressed air passes through the thirteenth automatic regulating stop valve, the eighth automatic regulating stop valve, and the sixth automatic regulating stop valve to dry the second sterilizing filter and the second redundant filter; while drying, the control system opens the fourteenth automatic regulating stop valve and the fifteenth automatic regulating stop valve to drain sewage and discharge condensed water.

[0047] Furthermore, the cleaning further comprises the following sub-steps:

[0048] First system cleaning: the control system opens the eleventh automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve, and the second automatic regulating stop valve, and starts the circulation pump. The cleaning liquid passes through the liquid outlet pipe of the cleaning circulation tank, the eleventh automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve, and the second automatic regulating stop valve, and returns to the cleaning circulation tank through the liquid inlet pipe of the cleaning circulation tank, thereby cyclically cleaning the first sterilizing filter and the first redundant filter. The cleaning time is 20 to 30 minutes. After the cleaning time is over, the control system will open the sixteenth automatic regulating stop valve to discharge sewage and discharge excess cleaning liquid after cleaning;

[0049] or

[0050] Second system cleaning: the control system opens the eleventh automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the second automatic regulating stop valve, starts the circulation pump, and the cleaning liquid passes through the cleaning circulation tank outlet pipe, the eleventh automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the second automatic regulating stop valve, and returns to the cleaning circulation tank through the cleaning circulation tank inlet pipe, thereby circulating and cleaning the second sterilizing filter and the second redundant filter. The cleaning time is 20 to 30 minutes. After the cleaning time is over, the control system will open the fourteenth automatic regulating stop valve and the fifteenth automatic regulating stop valve to discharge sewage and discharge excess cleaning liquid after cleaning.

[0051] Compared to the prior art, the embodiments of the present invention provide a filtration system and control method capable of online disinfection, testing, and cleaning. This primarily addresses the need for manual operation in prior art filtration systems, reducing human influence. The present invention eliminates the need for manual switching during disinfection, testing, and cleaning, making it less prone to errors and allowing the filter elements to fully function. The greatest advantage of the present invention is that the operator can conveniently control the entire production process using the function buttons on the control cabinet's operating screen, without having to be at the worksite. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a structural schematic diagram of the present invention;

[0053] Figure 2 Schematic diagram of the control system of the present invention;

[0054] Figure 3 A schematic diagram of a control automatic regulating stop valve according to the present invention;

[0055] Figure 4 This is a schematic diagram of the first filtration system operation control method of the present invention;

[0056] Figure 5 This is a schematic diagram of the second filtration system operation control method of the present invention;

[0057] Figure 6 This is a disinfection flow chart of the first filtration system of the present invention;

[0058] Figure 7 This is a disinfection flow chart of the second filtration system of the present invention. DETAILED DESCRIPTION

[0059] To make the objectives, technical solutions, and advantages of the present invention more apparent, various embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will appreciate that many technical details are provided in various embodiments of the present invention to facilitate a better understanding of the present application. However, even without these technical details and the various variations and modifications based on the following embodiments, the technical solutions claimed in the claims of this application can be implemented.

[0060] The first embodiment of the present invention relates to a filtration system that can be disinfected, tested and cleaned online, such as Figure 1 and Figure 2 Shown, including:

[0061] The control system 100 uses the temperature controller 3 to observe and adjust the filtration temperature of the sterilizing filter and the redundant filter;

[0062] The control system 100 uses the pressure controller 4 and the automatic regulating stop valve to observe and adjust the sterilizing filter and the redundant filter and control the filtration pressure;

[0063] The control system 100 uses the flow controller 5 and the automatic regulating stop valve to observe and adjust the filtration flow of the sterilizing filter and the redundant filter;

[0064] The control system 100 utilizes a cleaning device to clean the sterilizing filter and the redundant filter or cleans the sterilizing filter and the redundant filter alternately.

[0065] The first embodiment of the present invention features a filtration system and control method capable of online disinfection, inspection, and cleaning. This primarily addresses the existing problem of manual operation in filtration systems, minimizing human influence and thereby fully utilizing the filter elements' intended function. The greatest advantage of this invention is that the operator can conveniently control the entire production process using the function buttons on the control cabinet's operating screen, without having to be present at the worksite.

[0066] The first embodiment of the present invention is as follows Figure 1 and Figure 2 As shown, the control system 100 further includes:

[0067] Operation screen 2, the control system 100 uses the function buttons 36 provided on the operation screen 2 to perform online disinfection, online testing and online cleaning;

[0068] The temperature controller 3 , the pressure controller 4 , the flow controller 5 and the operation screen 2 are all arranged on the control cabinet 1 .

[0069] In the first embodiment of the present invention, the temperature controller 3, the pressure controller 4, and the flow controller 5 are all installed on the control cabinet 1, which can realize centralized control of temperature, pressure, flow, etc. The operation screen 2 can perform online disinfection, online detection and online cleaning through the function buttons 36, thereby realizing remote online disinfection, detection and cleaning.

[0070] In the first embodiment of the present invention, Figure 1 As shown, the first sterilizing filter 12 and the second sterilizing filter 18 and the first redundant filter 8 and the second redundant filter 22 and the automatic regulating stop valve are structured as follows:

[0071] The sterilizing filter further includes: a first sterilizing filter 12 and a second sterilizing filter 18;

[0072] The redundant filter further comprises: a first redundant filter 8 and a second redundant filter 22;

[0073] Automatic regulating stop valve, also includes;

[0074] The outlet of the material is connected to the inlet of the first automatic regulating stop valve 15; the outlet of the first automatic regulating stop valve 15 is connected to the inlet of the second automatic regulating stop valve 16, the third automatic regulating stop valve 14 and the fourth automatic regulating stop valve 20 respectively;

[0075] The outlet of the second automatic regulating stop valve 16 is connected to the liquid inlet pipe 33 of the cleaning circulation tank;

[0076] The outlet of the third automatic regulating stop valve 14 is connected to the inlet of the first sterilizing filter 12; the outlet of the first sterilizing filter 12 is connected to the inlet of the fifth automatic regulating stop valve 11; the outlet of the fifth automatic regulating stop valve 11 is connected to the inlet of the first redundant filter 8; the outlet of the first redundant filter 8 is connected to the inlet of the seventh automatic regulating stop valve 7; the outlet of the seventh automatic regulating stop valve 7 is connected to one side of the ninth automatic regulating stop valve 6;

[0077] The outlet of the fourth automatic regulating stop valve 20 is connected to the inlet of the second sterilizing filter 12; the outlet of the second sterilizing filter 12 is connected to the inlet of the sixth automatic regulating stop valve 21; the outlet of the sixth automatic regulating stop valve 21 is connected to the inlet of the second redundant filter 22; the outlet of the second redundant filter 22 is connected to the inlet of the eighth automatic regulating stop valve 24; the outlet of the eighth automatic regulating stop valve 24 is connected to the other side of the ninth automatic regulating stop valve 6;

[0078] The outlet of the ninth automatic regulating stop valve 6 and the outlet of the eighth automatic regulating stop valve 24 are connected in parallel to the pipeline between the outlet of the tenth automatic regulating stop valve 29 and the inlet of the eleventh automatic regulating stop valve 31;

[0079] The inlet of the tenth automatic regulating stop valve 29 is connected to the outlet of the liquid feed pump, and the inlet of the liquid feed pump 30 is connected to the inlet of the material;

[0080] The outlet of the eleventh automatic regulating stop valve 31 is connected to the outlet of the circulation pump 32; the inlet of the circulation pump 32 is connected to the cleaning circulation tank outlet pipe 35; the cleaning circulation tank outlet pipe 35 and the cleaning circulation tank inlet pipe 33 are both provided on the cleaning circulation tank 34;

[0081] The outlet of the twelfth automatic regulating stop valve 28, the outlet of the thirteenth automatic regulating stop valve 27, the inlet of the fourteenth automatic regulating stop valve 25, and the outlet of the seventeenth automatic regulating stop valve 26 are connected to the pipeline between the outlet of the eighth automatic regulating stop valve 24 and the outlet of the tenth automatic regulating stop valve 29 respectively;

[0082] The inlet of the twelfth automatic regulating stop valve 28 is connected to the cleaning port;

[0083] The inlet of the thirteenth automatic regulating stop valve 27 is connected to the compressed air port;

[0084] The outlet of the fourteenth automatic regulating stop valve 25 is a sewage outlet;

[0085] The inlet of the seventeenth automatic regulating stop valve 26 is connected to the steam port;

[0086] Between the outlet of the sixth automatic regulating stop valve 21 and the inlet of the second redundant filter 22 , the inlet is connected to the fifteenth automatic regulating stop valve 23 ;

[0087] Between the outlet of the fifth automatic regulating stop valve 11 and the inlet of the first redundant filter 8 , the inlet is connected to the sixteenth automatic regulating stop valve 10 ;

[0088] The outlet of the fifteenth automatic regulating stop valve 23 and the outlet of the sixteenth automatic regulating stop valve 10 are both sewage outlets.

[0089] In the first embodiment of the present invention, Figure 3 As shown,

[0090] The action sequence of the first automatic regulating stop valve 15 to the seventeenth automatic regulating stop valve 26 is controlled by the control system, and the control system controls the action sequence of the first automatic regulating stop valve 15 to the seventeenth automatic regulating stop valve 26 mainly for online disinfection, online detection and online cleaning.

[0091] In a first embodiment of the present invention, Figure 4 and Figure 5 As shown:

[0092] The control system 100 controls the first sterilizing filter 12 , the first redundant filter 8 and the second sterilizing filter 18 , the second redundant filter 22 to perform alternating operation, detection, disinfection, and cleaning.

[0093] In a first embodiment of the present invention, Figure 1 As shown, in order to enable the control system 100 to detect the first sterilizing filter 12, the first redundant filter 8, the second sterilizing filter 18, and the second redundant filter 22 in this embodiment, a first online detection interface 13 is set on the first sterilizing filter 12; a second online detection interface 17 is set on the second sterilizing filter 18; a third online detection interface 9 is set on the first redundant filter 8; and a fourth online detection interface 19 is set on the second redundant filter 22. The temperature controller 3, the pressure controller 4, and the flow controller 5 are mainly used to perform online detection of temperature, pressure, flow, etc., which plays the role of online detection of the first sterilizing filter 12, the first redundant filter 8, the second sterilizing filter 18, and the second redundant filter 22.

[0094] In the first embodiment of the present invention, Figure 1As shown, the control system 100 is respectively connected to the first online detection interface 13, the second online detection interface 17, the third online detection interface 9, and the fourth online detection interface 19, for performing online detection of the first sterilizing filter 12, the first redundant filter 8, the second sterilizing filter 18, and the second redundant filter 22.

[0095] In a second embodiment of the present invention, a control method for a filtration system capable of online disinfection, detection and cleaning is provided, such as Figure 4 、 Figure 5 As shown, the following steps are included:

[0096] When the first filtering system, i.e. the first sterilizing filter 12 and the first redundant filter 8, is working, the second filtering system, i.e. the second sterilizing filter 18 and the second redundant filter 22, is inspected, disinfected or cleaned; when the second filtering system, i.e. the second sterilizing filter 18 and the second redundant filter 22, is working, the first filtering system, i.e. the first sterilizing filter 12 and the first redundant filter 8, is inspected, disinfected or cleaned.

[0097] The operation described above is when the first filter system is working and the second filter system is working, as shown in FIG. Figure 1 、 Figure 4 、 Figure 5 As shown, the following steps are also included:

[0098] The first filtering system works: when the first sterilizing filter 12 and the first redundant filter 8 are in normal production, the control system 100 opens the tenth automatic regulating stop valve 29, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, the fifth automatic regulating stop valve 11, the third automatic regulating stop valve 14, and the first automatic regulating stop valve 15; the control system 100 starts the liquid inlet pump 30, and the material passes through the tenth automatic regulating stop valve 29, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, the fifth automatic regulating stop valve 11, the third automatic regulating stop valve 14, and the first automatic regulating stop valve 15 and completes the filtration; the first filtering system plays a filtering role.

[0099] or

[0100] The second filtration system works: when the second sterilizing filter 18 and the second redundant filter 22 are in normal production, the control system 100 opens the tenth automatic regulating stop valve 29, the eighth automatic regulating stop valve 24, the sixth automatic regulating stop valve 21, the fourth automatic regulating stop valve 20, and the first automatic regulating stop valve 15; the control system 100 starts the liquid inlet pump 30, and the material passes through the tenth automatic regulating stop valve 29, the eighth automatic regulating stop valve 24, the sixth automatic regulating stop valve 21, the fourth automatic regulating stop valve 20, and the first automatic regulating stop valve 15 and completes the filtration, and the second filtration system plays a filtering role.

[0101] The disinfection mentioned above refers to the disinfection of the first filter system and the disinfection of the second filter system. Figure 1 、 Figure 6 、 Figure 7 As shown, the following steps are also included:

[0102] Step S10: Disinfection of the first filtration system: The control system 100 opens the seventeenth automatic regulating stop valve 26, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, and the fifth automatic regulating stop valve 11. Steam passes through the seventeenth automatic regulating stop valve 26, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, and the fifth automatic regulating stop valve 11 to disinfect the first sterilizing filter 12 and the first redundant filter 8. The disinfection temperature is 121° C. and the disinfection time is 20 to 30 minutes. After the disinfection time expires, the process proceeds to step S20.

[0103] Step S20: Drying the first filter system: The control system 100 opens the thirteenth automatic regulating stop valve 27, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, and the fifth automatic regulating stop valve 11. Compressed air passes through the thirteenth automatic regulating stop valve 27, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, and the fifth automatic regulating stop valve 11 to dry the first sterilizing filter 12 and the first redundant filter 8. While drying, the control system 100 opens the sixteenth automatic regulating stop valve 10 to drain the condensed water.

[0104] or

[0105] Step 30: Disinfection of the Second Filter System: The control system 100 opens the seventeenth automatic regulating stop valve 26, the eighth automatic regulating stop valve 24, and the sixth automatic regulating stop valve 21. Steam passes through the seventeenth automatic regulating stop valve 26, the eighth automatic regulating stop valve 24, and the sixth automatic regulating stop valve 21 to disinfect the second sterilizing filter 18 and the second redundant filter 22. The disinfection temperature is 121°C and the disinfection time is 20 to 30 minutes. After the disinfection time expires, the process proceeds to step S40.

[0106] Step S40: Drying the second filter system: The control system 100 opens the thirteenth automatic regulating stop valve 27, the eighth automatic regulating stop valve 24, and the sixth automatic regulating stop valve 21, and the compressed air passes through the thirteenth automatic regulating stop valve 27, the eighth automatic regulating stop valve 24, and the sixth automatic regulating stop valve 21 to dry the second sterilizing filter 18 and the second redundant filter 22; while drying, the control system 100 will open the fourteenth automatic regulating stop valve 25 and the fifteenth automatic regulating stop valve 23 to discharge sewage and discharge condensed water.

[0107] The cleaning, i.e., cleaning the first filter system and the second filter system, further comprises the following sub-steps:

[0108] Cleaning of the first filter system: the control system 100 opens the eleventh automatic regulating stop valve 31, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, the fifth automatic regulating stop valve 11, the third automatic regulating stop valve 14, and the second automatic regulating stop valve 16, and starts the circulation pump 32. The cleaning liquid passes through the cleaning circulation tank outlet pipe 35, the eleventh automatic regulating stop valve 31, the ninth automatic regulating stop valve 6, the seventh automatic regulating stop valve 7, the fifth automatic regulating stop valve 11, the third automatic regulating stop valve 14, and the second automatic regulating stop valve 16, and returns to the cleaning circulation tank 34 through the cleaning circulation tank inlet pipe 33, thereby circulating and cleaning the first sterilizing filter 12 and the first redundant filter 8. The cleaning time is 20 to 30 minutes. After the cleaning time is over, the control system 100 will open the sixteenth automatic regulating stop valve 10 to discharge sewage and discharge excess cleaning liquid after cleaning;

[0109] or

[0110] Cleaning of the second filter system: the control system 100 opens the eleventh automatic regulating stop valve 31, the eighth automatic regulating stop valve 24, the sixth automatic regulating stop valve 21, the fourth automatic regulating stop valve 20, and the second automatic regulating stop valve 16, and starts the circulation pump 32. The cleaning liquid passes through the cleaning circulation tank outlet pipe 35, the eleventh automatic regulating stop valve 31, the eighth automatic regulating stop valve 24, the sixth automatic regulating stop valve 21, the fourth automatic regulating stop valve 20, and the second automatic regulating stop valve 16, and returns to the cleaning circulation tank 34 through the cleaning circulation tank inlet pipe 33, thereby circulating and cleaning the second sterilizing filter 18 and the second redundant filter 22. The cleaning time is 20 to 30 minutes. After the cleaning time is over, the control system 100 will open the fourteenth automatic regulating stop valve 25 and the fifteenth automatic regulating stop valve 23 to discharge sewage and discharge excess cleaning liquid after cleaning.

[0111] The control method in the above-mentioned embodiment realizes that when the first filter system, i.e., the first sterilizing filter 12 and the first redundant filter 8, is working, the second filter system, i.e., the second sterilizing filter 18 and the second redundant filter 22, is detecting, disinfecting, or cleaning; when the second filter system, i.e., the second sterilizing filter 18 and the second redundant filter 22, is working, the first filter system, i.e., the first sterilizing filter 12 and the first redundant filter 8, is detecting, disinfecting, or cleaning, thus realizing alternating operation, detection, disinfection, and cleaning. This solves the problem of the filtration system in the prior art requiring human operation, reduces human influence, and thus fully realizes the filtration system that the filter element should play its due role. The greatest advantage of the present invention is that the operator does not need to be at the work site, but can conveniently control the entire production process by simply using the function buttons on the control cabinet operation screen.

[0112] Those skilled in the art will appreciate that the above-mentioned embodiments are specific examples for implementing the present invention, and that in actual applications, various changes may be made thereto in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A filtration system capable of online disinfection, detection and cleaning, characterized in that: include: A control system, wherein the control system utilizes a temperature controller to observe and adjust the filtration temperature of the sterilizing filter and the redundant filter; The control system utilizes a pressure controller and an automatic regulating stop valve to observe and adjust the sterilizing filter and the redundant filter and control the filtration pressure; The control system utilizes a flow controller and an automatic regulating stop valve to observe and regulate the filtration flow of the sterilizing filter and the redundant filter; The control system utilizes a cleaning device to clean the sterilizing filter and the redundant filter or to alternately clean the sterilizing filter and the redundant filter; The sterilizing filter further comprises: a first sterilizing filter and a second sterilizing filter; The redundant filter further comprises: a first redundant filter and a second redundant filter; The automatic regulating stop valve further comprises: The outlet of the material is connected to the inlet of the first automatic regulating stop valve; the outlet of the first automatic regulating stop valve is connected to the inlets of the second automatic regulating stop valve, the third automatic regulating stop valve and the fourth automatic regulating stop valve respectively; The outlet of the second automatic regulating stop valve is connected to the liquid inlet pipe of the cleaning circulation tank; The outlet of the third automatic regulating stop valve is connected to the inlet of the first sterilizing filter; the outlet of the first sterilizing filter is connected to the inlet of the fifth automatic regulating stop valve; the outlet of the fifth automatic regulating stop valve is connected to the inlet of the first redundant filter; the outlet of the first redundant filter is connected to the inlet of the seventh automatic regulating stop valve; the outlet of the seventh automatic regulating stop valve is connected to one side of the ninth automatic regulating stop valve; The outlet of the fourth automatic regulating stop valve is connected to the inlet of the second sterilizing filter; the outlet of the second sterilizing filter is connected to the inlet of the sixth automatic regulating stop valve; the outlet of the sixth automatic regulating stop valve is connected to the inlet of the second redundant filter; the outlet of the second redundant filter is connected to the inlet of the eighth automatic regulating stop valve; the outlet of the eighth automatic regulating stop valve is connected to the other side of the ninth automatic regulating stop valve; The outlet of the ninth automatic regulating stop valve and the outlet of the eighth automatic regulating stop valve are connected in parallel to the pipeline between the outlet of the tenth automatic regulating stop valve and the inlet of the eleventh automatic regulating stop valve; The inlet of the tenth automatic regulating stop valve is connected to the outlet of the liquid feed pump, and the inlet of the liquid feed pump is connected to the inlet of the material; The outlet of the eleventh automatic regulating stop valve is connected to the outlet of the circulation pump; the inlet of the circulation pump is connected to the liquid outlet pipe of the cleaning circulation tank; the liquid outlet pipe and the liquid inlet pipe of the cleaning circulation tank are both arranged on the cleaning circulation tank; The outlet of the twelfth automatic regulating stop valve, the outlet of the thirteenth automatic regulating stop valve, the inlet of the fourteenth automatic regulating stop valve, and the outlet of the seventeenth automatic regulating stop valve are respectively connected to the pipeline between the outlet of the eighth automatic regulating stop valve and the outlet of the tenth automatic regulating stop valve; The inlet of the twelfth automatic regulating stop valve is connected to the cleaning port; The inlet of the thirteenth automatic regulating stop valve is connected to the compressed air port; The outlet of the fourteenth automatic regulating stop valve is a sewage outlet; The inlet of the seventeenth automatic regulating stop valve is connected to the steam port; The outlet of the sixth automatic regulating stop valve is connected to the inlet of the second redundant filter.

15. Inlet of automatic regulating stop valve; The outlet of the fifth automatic regulating stop valve is connected to the inlet of the first redundant filter.

16. Inlet of automatic regulating stop valve; The outlet of the fifteenth automatic regulating stop valve and the outlet of the sixteenth automatic regulating stop valve are both sewage outlets; The control system controls the first sterilizing filter, the first redundant filter, the second sterilizing filter, and the second redundant filter to perform alternating operation, detection, disinfection, and cleaning; The control system further includes: Operation screen, the control system uses the function buttons provided on the operation screen to perform online disinfection, online testing and online cleaning; The temperature controller, pressure controller, flow controller and operation screen are all arranged on the control cabinet.

2. The filtration system capable of online disinfection, detection and cleaning according to claim 1, characterized in that: The action sequences of the first to seventeenth automatic regulating stop valves are all controlled by the control system.

3. The filtration system capable of online disinfection, detection and cleaning according to claim 1, characterized in that: A first online detection interface is provided on the first sterilizing filter; a second online detection interface is provided on the second sterilizing filter; a third online detection interface is provided on the first redundant filter; and a fourth online detection interface is provided on the second redundant filter; The control system is connected to the first online detection interface, the second online detection interface, the third online detection interface, and the fourth online detection interface respectively, and is used to perform online detection on the first sterilizing filter, the first redundant filter, the second sterilizing filter, and the second redundant filter.

4. The control method for a filtration system capable of online disinfection, detection and cleaning according to any one of claims 1 to 3, characterized in that: The following steps are involved: While the first filter system is working, the second filter system is inspected, disinfected or cleaned; When the second filter system is working, the first filter system is inspected, disinfected or cleaned.

5. The control method of the filtration system capable of online disinfection, detection and cleaning according to claim 4, characterized in that: The work also includes the following steps: The first filtration system works: when the first sterilizing filter and the first redundant filter are in normal production, the control system opens the tenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve, and the first automatic regulating stop valve; the control system starts the liquid inlet pump, and the material passes through the tenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve, and the first automatic regulating stop valve to complete the filtration; or The second filtration system works: when the second sterilizing filter and the second redundant filter are in normal production, the control system opens the tenth automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the first automatic regulating stop valve; the control system starts the liquid inlet pump, and the material passes through the tenth automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the first automatic regulating stop valve and completes the filtration.

6. The control method of the filtration system capable of online disinfection, detection and cleaning according to claim 4, characterized in that: The disinfection further comprises the following sub-steps: Step S10: Disinfection of the first filtration system: The control system opens the seventeenth, ninth, seventh, and fifth automatic regulating stop valves. Steam passes through the seventeenth, ninth, seventh, and fifth automatic regulating stop valves to disinfect the first sterilizing filter and the first redundant filter. The disinfection temperature is 121° C. for 20 to 30 minutes. After the disinfection time expires, the process proceeds to step S20. Step S20: Drying the first filter system: The control system opens the thirteenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, and the fifth automatic regulating stop valve, and compressed air passes through the thirteenth automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, and the fifth automatic regulating stop valve to dry the first sterilizing filter and the first redundant filter; while drying, the control system opens the sixteenth automatic regulating stop valve to drain the condensed water; or Step 30: Disinfection of the Second Filter System: The control system opens the seventeenth, eighth, and sixth automatic regulating stop valves. Steam passes through the seventeenth, eighth, and sixth automatic regulating stop valves to disinfect the second sterilizing filter and the second redundant filter. The disinfection temperature is 121°C for 20 to 30 minutes. After the disinfection time expires, the process proceeds to step S40. Step S40: Drying the second filtration system: the control system opens the thirteenth automatic regulating stop valve, the eighth automatic regulating stop valve, and the sixth automatic regulating stop valve, and the compressed air passes through the thirteenth automatic regulating stop valve, the eighth automatic regulating stop valve, and the sixth automatic regulating stop valve to dry the second sterilizing filter and the second redundant filter; while drying, the control system opens the fourteenth automatic regulating stop valve and the fifteenth automatic regulating stop valve to drain sewage and discharge condensed water.

7. The control method of the filtration system capable of online disinfection, detection and cleaning according to claim 4, characterized in that: The cleaning further comprises the following sub-steps: Cleaning of the first filter system: the control system opens the eleventh automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve and the second automatic regulating stop valve, starts the circulation pump, and the cleaning liquid passes through the liquid outlet pipe of the cleaning circulation tank, the eleventh automatic regulating stop valve, the ninth automatic regulating stop valve, the seventh automatic regulating stop valve, the fifth automatic regulating stop valve, the third automatic regulating stop valve and the second automatic regulating stop valve, and returns to the cleaning circulation tank through the liquid inlet pipe of the cleaning circulation tank, thereby cyclically cleaning the first sterilizing filter and the first redundant filter. The cleaning time is 20 to 30 minutes. After the cleaning time is over, the control system will open the sixteenth automatic regulating stop valve to discharge sewage and discharge excess cleaning liquid after cleaning; or Cleaning of the second filtration system: the control system opens the eleventh automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the second automatic regulating stop valve, starts the circulation pump, and the cleaning liquid passes through the liquid outlet pipe of the cleaning circulation tank, the eleventh automatic regulating stop valve, the eighth automatic regulating stop valve, the sixth automatic regulating stop valve, the fourth automatic regulating stop valve and the second automatic regulating stop valve, and returns to the cleaning circulation tank through the liquid inlet pipe of the cleaning circulation tank, thereby circulating and cleaning the second sterilizing filter and the second redundant filter. The cleaning time is 20 to 30 minutes. After the cleaning time is over, the control system will open the fourteenth automatic regulating stop valve and the fifteenth automatic regulating stop valve to discharge sewage and discharge excess cleaning liquid after cleaning.

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