Drainage system intelligent control method and system based on high-pressure heater model dynamic optimization

Abstract

The invention discloses a drainage system intelligent control method and system based on high-pressure heater model dynamic optimization. Comprising a first fling-cut switch module, a first AND module, a first limiting module, a second limiting module, a first pulse module, a first delay module, a second AND module, a first increase and decrease pulse counting module, a second equal comparison module, a first pulse module and a first SR trigger module. When the starting output of the first high-pressure heater optimization is 1, the following conditions need to be met: the first switching switch module is 1, the input of the first high-pressure heater optimization mode is 1, the liquid level set value of the first high-pressure heater is within 90-120mm, and the lower end difference of the first high-pressure heater is less than 85; on the contrary, the output of the beginning of the No.1 high-addition optimization is 0. According to the method, the targets can be comprehensively balanced through a multi-target optimization technology, and an optimal control strategy is provided.

Description

Technical Field

[0001] The present invention belongs to the field of intelligent control of generator sets, and particularly relates to an intelligent control method and system for a hydrophobic system based on dynamic optimization of a high-pressure heater model. Background Art

[0002] With the continuous advancement of industrial technology, improving energy efficiency has become a key goal across all industries. In industries such as power, chemical, and petroleum, drain systems serve as crucial auxiliary equipment, and their operational status directly impacts energy consumption, equipment lifespan, and safety during production. Traditional drain system control methods rely on fixed control parameters, making them difficult to adapt to complex and changing operating conditions, leading to energy waste and reduced equipment efficiency.

[0003] The primary function of a drain system is to remove excess moisture from the production process, ensuring dry equipment operation. In thermal power plants, chemical reactors, and other locations, the stable operation of the drain system is directly related to energy efficiency and equipment safety. Traditional drain control methods typically rely on manual experience or simple feedback control, which struggles to cope with dynamic changes in complex operating conditions, resulting in inefficient system operation. Summary of the Invention

[0004] The present invention aims to provide a method and system for intelligent control of a hydrophobic system based on dynamic optimization of a high-pressure pump model. This method effectively captures the system's nonlinear characteristics, time lags, and parameter variations, providing a theoretical foundation for intelligent control. In a hydrophobic system, the application of a high-pressure pump model can better describe the system's dynamic response, thereby achieving more precise control objectives.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: The intelligent control system of the hydrophobic system based on the dynamic optimization of the high-pressure model includes: a first switching switch module, a first AND module, a first limiting module, a second limiting module, a first pulse module, a first time-delay interrupt module, a second AND module, a first increase and decrease pulse counting module, a second equal comparison module, a first pulse module and a first SR trigger module; The first switching switch module and the No. 1 high-pressure booster optimization mode input are both connected to the first AND module, the No. 1 high-pressure booster liquid level setting value is connected to the first limiting module, the No. 1 high-pressure booster lower end differential number is connected to the second limiting module, and the output end of the first AND module, the first limiting module and the second limiting module are all connected to the second AND module; the No. 1 high-pressure booster optimization start is respectively connected to the first pulse module and the first delay module, the output end of the first pulse module is connected to the No. 1 high-pressure booster optimization mode trigger and the "I" end of the first increase and decrease pulse counting module, and the output end of the first delay module is connected to the "E" end of the first increase and decrease pulse counting module; the output end of the first increase and decrease pulse counting module is connected to the second equal comparison module and the first pulse module in sequence; the output end of the second AND module and the output end of the first pulse module are respectively connected to the "S" end and "R" end of the first SR trigger module, and the output end of the first SR trigger module is connected to the No. 1 high-pressure booster optimization start.

[0006] A further improvement of the present invention is that it further comprises a first equality comparison module, a first multiplication module, a first switching module, a second switching module and a first addition module; The output end of the first multiplication module is connected to the "Pv2" end of the first switching module, the output end of the first switching module is connected to the "Pv1" end of the first switching module, the lower end difference number of the No. 1 high-pressure adder is connected to the first equal comparison module, and the output end of the first equal comparison module is connected to the "S" end of the first switching module; the No. 1 high-pressure adder liquid level setting value is connected to the "Pv2" end of the second switching module, the output end of the second switching module is connected to the "Pv1" end of the second switching module, and the output end of the second AND module is connected to the "S" end of the second switching module; the output end of the second switching module and the output end of the first switching module are both connected to the first addition module, and the output end of the first addition module is connected to the No. 1 high-pressure adder liquid level optimization setting value.

[0007] A further improvement of the present invention is that it also includes: The output end of the first switching module is connected to the No. 1 high-pressure liquid level bias.

[0008] A further improvement of the present invention is that it further comprises a first first-order inertia module and a second multiplication module; The No. 1 high water level is connected to the "Pv" end of the first first-order inertia module, the output end of the first first-order inertia module is connected to the second multiplication module, and the output end of the second multiplication module is connected to the "Pv" end of the PID adjustment module.

[0009] A further improvement of the present invention is that it further includes a second first-order inertia module, a second pulse module, a first OR module, a first tracking module, a third switching module, a first election module, a second increase and decrease pulse counting module, a third multiplication module, a second addition module, a fourth switching module and a PID adjustment module; The No. 1 high-pressure booster liquid level optimization setting value, the output end of the first first-order inertia module and the No. 1 high-pressure booster optimization mode trigger are respectively connected to the "Pv" end, "T" end and "S" end of the second first-order inertia module; the No. 1 high-pressure booster optimization mode trigger is connected to the second pulse module, the "NotA" end of the PID adjustment module and the second pulse module are both connected to the first OR module, the output end of the second first-order inertia module and the output end of the first OR module are both connected to the "T" end and "S" end of the first tracking module; the output end of the first tracking module and the APS start are respectively connected to the "Pv2" end and "S" end of the third switching module; No. 1 high-pressure booster optimization mode trigger is connected to the second pulse module, the "NotA" end of the PID adjustment module and the second pulse module are both connected to the first OR module, the output end of the second first-order inertia module and the output end of the first OR module are both connected to the "T" end and "S" end of the first tracking module The normal drain pneumatic regulating valve PID setting value is connected to the second addition module, and the output end of the second addition module and the reheater cooling water valve are respectively connected to the "Pv1" end and "S" end of the fourth switching module; the output end of the third switching module and the output end of the fourth switching module are both connected to the first selection module, and the "NotA" end of the PID adjustment module and the output end of the first selection module are respectively connected to the "D" end and "I" end of the second increase and decrease pulse counting module, the output end of the second increase and decrease pulse counting module is connected to the third multiplication module, and the output end of the third multiplication module is connected to the "Sp" end of the PID adjustment module.

[0010] A further improvement of the present invention is that it further comprises a handheld operator adjustment module, wherein the output "NotA" terminal of the handheld operator adjustment module is connected to the "SelT" terminal of the PID adjustment module; The output "Op" terminal of the PID adjustment module is connected to the "PV" terminal of the handheld operator adjustment module; The position feedback of the No. 1 emergency drain pneumatic regulating door is connected to the "FB" terminal of the handheld operator adjustment module.

[0011] A further improvement of the present invention is that it also includes a fifth switching module, the 1 to 3 high pressure normal drain valve closing and the 1 to 3 high pressure emergency drain valve opening are connected to the "S" end of the fifth switching module, and the output end of the fifth switching module is connected to the "FV" end of the hand operator adjustment module.

[0012] A further improvement of the present invention is that it also includes a second OR module, and the closing of the normal steam traps of 1 to 3 high-pressure heaters, the opening of the emergency steam traps of 1 to 3 high-pressure heaters, and the quality of the high-pressure heater water level are all connected to the second OR module, and the output end of the second OR module is connected to the "FceF" of the hand operator adjustment module.

[0013] A further improvement of the present invention is that it also includes a first delay module, and the No. 1 high-pressure water level bad quality is connected to the first delay module and the hand operator adjustment module "FceM" of the hand operator adjustment module in sequence; The output "Op" end of the hand operator adjustment module is connected to the adjustment instruction of the No. 1 high-pressure emergency drain pneumatic control door.

[0014] The intelligent control method of the drain system based on the dynamic optimization of the high-pressure heater model includes: When the output of No. 1 high-pressure heater optimization start is 1, the following conditions must be met: the first switching switch module is 1, the No. 1 high-pressure heater optimization mode is 1, the No. 1 high-pressure heater liquid level setting value is within 90mm to 120mm, and the No. 1 high-pressure heater lower end difference is less than 85 points; otherwise, the output of No. 1 high-pressure heater optimization start is 0; When the optimization value of No. 1 high pressure heater starts to be 1, the final optimization setting value of No. 1 high pressure heater level is obtained by calculating the correlation coefficient with the setting value of No. 1 high pressure heater level; When the difference number of the lower end of No. 1 high pressure heater is not equal to 0, the final output is the No. 1 high pressure heater level offset; When the "Pv" terminal of the PID control module is calculated, the No. 1 high-pressure water level is calculated by the second multiplication module to obtain the output value; When the "Sp" terminal of the PID control module calculates that the No. 1 high pressure heater optimization mode is triggered as 1, the No. 1 high pressure heater liquid level optimization setting value and the No. 1 high pressure heater normal drain pneumatic regulating valve PID setting value are compared to obtain the output value; If the normal trap valves of 1 to 3 high pressure heaters are closed and the emergency trap valves of 1 to 3 high pressure heaters are open or the high pressure heater water level is bad, the output of the handheld controller adjustment module, the adjustment instruction of the No. 1 high pressure heater emergency drain pneumatic control door, is 100; otherwise, it is 0; When the quality of the No. 1 high pressure water level failure is 1, the control of the handheld operator adjustment module is switched to manual control mode.

[0015] Compared with the prior art, the present invention has at least the following beneficial technical effects: The present invention provides an intelligent control system for a hydrophobic system based on dynamic optimization of a high-pressure pump model. The system can be seamlessly integrated with an existing DCS (distributed control system) or PLC (programmable logic controller). Through a modular design, it supports switching between multiple control strategies to adapt to different working conditions.

[0016] The intelligent control method for a hydrophobic system based on dynamic optimization of a high-pressure pump model, proposed in this paper, employs an adaptive optimization algorithm to rapidly generate new control parameters based on changes in system status. This algorithm not only reduces calculation time but also ensures the effectiveness of control parameters, preventing system oscillation and unstable operation.

[0017] In summary, the intelligent control method and system for a hydrophobic system based on dynamic optimization of a high-pressure pump model described in this invention optimizes system performance in complex environments by adjusting control parameters in real time. This improves the system's operational efficiency, enhances its adaptability and stability, and provides strong support for the sustainable development of industrial production. Furthermore, the method and system can provide real-time guidance on multiple operational objectives for the hydrophobic system, including energy consumption, stability, and safety. Through multi-objective optimization techniques, the present invention comprehensively balances these objectives to provide an optimal control strategy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 The principle of intelligent control system for drain system based on dynamic optimization of high pressure heating model Figure 1 .

[0020] Figure 2 The principle of intelligent control system for drain system based on dynamic optimization of high pressure heating model Figure 2 .

[0021] Figure 3 This is a rendering of an embodiment of the present invention.

[0022] In the attached figure: 001, first switching module, 002, No. 1 high pressure heater optimization mode input, 003, No. 1 high pressure heater liquid level set value, 004, No. 1 high pressure heater lower end difference number, 005, No. 1 high pressure heater optimization start, 006, PID adjustment module, 007, first AND module, 008, first limit module, 009, second limit module, 010, first pulse module, 011, first delay interrupt module, 012, second AND module, 013, first increase and decrease pulse counting module , 014, the first equal comparison module, 015, the second equal comparison module, 016, the first multiplication module, 017, the second pulse module, 018, the first switching module, 019, the hand operator adjustment module, 020, the second switching module, 021, the first SR trigger module, 022, the first addition module, 023, No. 1 high pressure heater optimization mode trigger, 024, No. 1 high pressure heater emergency drain pneumatic control door adjustment instruction, 025, No. 1 high pressure heater liquid level optimization setting value , 026, No. 1 high pressure heater liquid level offset, 027, No. 1 high pressure heater water level, 028, APS startup, 029, No. 1 high pressure heater normal drain pneumatic control door PID set value, 030, reheater desuperheating water valve closed, 031, 1 to 3 high pressure heater normal drain valve closed and 1 to 3 high pressure heater emergency drain valve open, 032, high pressure heater water level bad quality, 033, No. 1 high pressure heater emergency drain pneumatic control door position feedback, 034, No. 1 high pressure heater water level bad quality, 035, first order inertia Module, 036, second first-order inertia module, 037, third pulse module, 038, first OR module, 039, first tracking module, 040, third switching module, 041, first election module, 042, second multiplication module, 043, second increase and decrease pulse counting module, 044, third multiplication module, 045, second addition module, 046, fourth switching module, 047, fifth switching module, 048, second OR module, 049, first delay module. DETAILED DESCRIPTION

[0023] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be considered as illustrative in nature and not restrictive.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0026] In the present invention, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0027] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0028] It will be understood that when used in this specification and the appended claims, the terms “comprises” and “comprising” indicate the presence of described features, integers, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof.

[0029] It should also be understood that the terms used in the present specification are only for the purpose of describing particular embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0030] It should be further understood that the term "and / or" used in the present description and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0031] The accompanying drawings illustrate various schematic diagrams of structures according to embodiments disclosed herein. These figures are not drawn to scale; for clarity, some details are exaggerated and some details may be omitted. The shapes of the various regions and layers shown in the figures, as well as their relative sizes and positional relationships, are merely exemplary and may deviate in practice due to manufacturing tolerances or technical limitations. Those skilled in the art may design regions / layers with different shapes, sizes, and relative positions as needed.

[0032] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0033] Example 1 The intelligent control system for the drain system based on the dynamic optimization of the high-pressure pump model provided by the present invention includes: described Figure 1 Schematic diagram of the intelligent control system for the drain system based on dynamic optimization of the high-pressure heater model.

[0034] It specifically includes: the first switching switch module 001, No. 1 high pressure heating optimization mode input 002, No. 1 high pressure heating liquid level setting value 003, No. 1 high pressure heating lower end difference number 004, No. 1 high pressure heating optimization start 005, PID adjustment module 006, first and module 007, first limit module 008, second limit module 009, first pulse module 010, first delay module 011, second and module 012, first increase and decrease pulse counting module 013, first and so on In the comparison module 014, the second equal comparison module 015, the first multiplication module 016, the second pulse module 017, the first switching module 018, the hand-operated adjustment module 019, the second switching module 020, the first SR trigger module 021, the first addition module 022, No. 1 high-pressure booster optimization mode trigger 023, No. 1 high-pressure booster emergency drain pneumatic regulating door adjustment instruction 024, No. 1 high-pressure booster liquid level optimization setting value 025, No. 1 high-pressure booster liquid level offset 026.

[0035] described Figure 2 Schematic diagram of the intelligent control system for the drain system based on dynamic optimization of the high-pressure heater model.

[0036] Specifically, it includes: No. 1 high pressure water level 027, APS start 028, No. 1 high pressure normal drain pneumatic regulating door PID setting value 029, reheater desuperheating water valve closing 030, 1 to 3 high pressure normal drain valve closing and 1 to 3 high pressure emergency drain valve opening 031, high pressure water level failure quality 032, No. 1 high pressure emergency drain pneumatic regulating door position feedback 033, No. 1 high pressure water level failure quality 034, first order inertia module 035, second order inertia module 036, third pulse module 037. 7. The first OR module 038, the first tracking module 039, the third switching module 040, the first selection module 041, the second multiplication module 042, the second increase and decrease pulse counting module 043, the third multiplication module 044, the second addition module 045, the fourth switching module 046, the fifth switching module 047, the second OR module 048, the first delay module 049, the PID adjustment module 006, the hand operator adjustment module 019, and the No. 1 high-pressure emergency drain pneumatic adjustment door adjustment instruction 024.

[0037] Figure 1 The control strategy logic diagram includes the following parts: (1) No. 1 Gaojia optimization starts 005 including: The first switching switch module 001 and the No. 1 high-pressure booster optimization mode input 002 are both connected to the first AND module 007, the No. 1 high-pressure booster liquid level setting value 003 is connected to the first limiting module 008, the No. 1 high-pressure booster lower end difference number 004 is connected to the second limiting module 009, the output end of the first AND module 007, the first limiting module 008 and the second limiting module 009 are all connected to the second AND module 012; the No. 1 high-pressure booster optimization start 005 is respectively connected to the first pulse module 010 and the first delay module 011, and the output end of the first pulse module 010 is connected to the No. 1 high-pressure booster optimization mode The mode trigger 023 and the "I" end of the first increase and decrease pulse counting module 013, the output end of the first delay interrupt module 011 are connected to the "E" end of the first increase and decrease pulse counting module 013; the output end of the first increase and decrease pulse counting module 013 are connected to the second equal comparison module 015 and the second pulse module 017 in sequence; the output end of the second AND module 012 and the output end of the second pulse module 017 are respectively connected to the "S" end and "R" end of the first SR trigger module 021, and the output end of the first SR trigger module 021 is connected to the No. 1 high-speed optimization start 005.

[0038] (2) The optimal setting value of No. 1 high pressure liquid level 025 includes: The output end of the first multiplication module 016 is connected to the "Pv2" end of the first switching module 018, the output end of the first switching module 018 is connected to the "Pv1" end of the first switching module 018, the No. 1 high-pressure liquid level lower end difference number 004 is connected to the first equal comparison module 014, and the output end of the first equal comparison module 014 is connected to the "S" end of the first switching module 018; the No. 1 high-pressure liquid level setting value 003 is connected to the "Pv2" end of the second switching module 020, the output end of the second switching module 020 is connected to the "Pv1" end of the second switching module 020, and the output end of the second AND module 012 is connected to the "S" end of the second switching module 020; the output end of the second switching module 020 and the output end of the first switching module 018 are both connected to the first addition module 022, and the output end of the first addition module 022 is connected to the No. 1 high-pressure liquid level optimization setting value 025.

[0039] (3) No. 1 high pressure liquid level offset 026 includes: The output end of the first switching module 018 is connected to the No. 1 high-pressure liquid level bias 026 .

[0040] Figure 2 The control strategy logic diagram includes the following parts: The No. 1 high pressure emergency drain pneumatic control door adjustment instruction 024 includes: (1) No. 1 high water level 027 is connected to the "Pv" terminal of the first first-order inertia module 035, the output terminal of the first first-order inertia module 035 is connected to the second multiplication module 042, and the output terminal of the second multiplication module 042 is connected to the "Pv" terminal of the PID adjustment module 006; (2) The No. 1 high-pressure booster level optimization setting value 025, the output end of the first first-order inertia module 035 and the No. 1 high-pressure booster optimization mode trigger 023 are respectively connected to the "Pv" end, "T" end and "S" end of the second first-order inertia module 036; the No. 1 high-pressure booster optimization mode trigger 023 is connected to the third pulse module 037, the "NotA" end of the PID adjustment module 006 and the second pulse module 037 are both connected to the first OR module 038, the output end of the second first-order inertia module 036 and the output end of the first OR module 038 are both connected to the "T" end and "S" end of the first tracking module 039; the output end of the first tracking module 039 and the APS start 028 are respectively connected to the "Pv2" end and "S" end of the third switching module 040; The PID setting value 029 of the normal drain pneumatic regulating door of the high-pressure heater is connected to the second adding module 045, and the output end of the second adding module 045 and the reheater desuperheating water valve 030 are respectively connected to the "Pv1" end and the "S" end of the fourth switching module 046; the output end of the third switching module 040 and the output end of the fourth switching module 046 are both connected to the first selection module 041, and the "NotA" end of the PID adjustment module 006 and the output end of the first selection module 041 are respectively connected to the "D" end and the "I" end of the second increase and decrease pulse counting module 043, the output end of the second increase and decrease pulse counting module 043 is connected to the third multiplication module 044, and the output end of the third multiplication module 044 is connected to the "Sp" end of the PID adjustment module 006; (3) The output "NotA" of the handheld controller adjustment module 019 is connected to the "SelT" terminal of the PID adjustment module 006; (4) The output "Op" terminal of the PID control module 006 is connected to the "PV" terminal of the handheld control module 019; (5) The position feedback of the emergency drain pneumatic control door 033 is connected to the "FB" terminal of the hand operator control module 019; (6) 1 to 3 high pressure normal drain valve closed and 1 to 3 high pressure emergency drain valve open 031 is connected to the "S" end of the fifth switching module 047, and the output end of the fifth switching module 047 is connected to the "FV" end of the hand operator adjustment module 019; (7) The 1 to 3 high pressure normal drain valves are closed and the 1 to 3 high pressure emergency drain valves are opened 031 and the high pressure water level bad quality 032 are connected to the second or module 048, and the output end of the second or module 048 is connected to the "FceF" of the hand operator adjustment module 019; (8) No. 1 high-pressure water level bad quality 034 is connected to the first delay module 049 and the hand operator adjustment module 019 "FceM" of the hand operator adjustment module 019 in sequence; (9) The output "Op" end of the hand operator adjustment module 019 is connected to the adjustment instruction 024 of the No. 1 high-pressure emergency drain pneumatic control door.

[0041] Example 2 The present invention provides an intelligent control method for a hydrophobic system based on dynamic optimization of a high-pressure pump model, comprising: (1) When the output of No. 1 high pressure heater optimization start 005 is 1, the following conditions must be met: the first switching switch module 001 is 1, and the No. 1 high pressure heater optimization mode input 002 is 1, and the No. 1 high pressure heater liquid level setting value 003 is within 90mm to 120mm, and the No. 1 high pressure heater lower end difference 004 is less than 85 points; otherwise, the output of No. 1 high pressure heater optimization start 005 is 0; (2) When the optimization value of No. 1 high pressure heater starts at 005, the final optimization value of No. 1 high pressure heater level is 025 after calculating the correlation coefficient with the setting value of No. 1 high pressure heater level 003; (3) When the difference number 004 at the lower end of the No. 1 high pressure heater is not equal to 0, the final output is the No. 1 high pressure heater level offset 026; (4) When the "Pv" terminal of the PID adjustment module 006 is calculated, the No. 1 high water level 027 is calculated by the second multiplication module 042 to obtain the output value; (5) When the "Sp" terminal of the PID adjustment module 006 calculates that the No. 1 high pressure heater optimization mode trigger 023 is 1, the No. 1 high pressure heater liquid level optimization setting value 025 and the No. 1 high pressure heater normal drain pneumatic regulating valve PID setting value 029 are compared and the output value is obtained; (6) If the normal drain valves of 1 to 3 high pressure heaters are closed and the emergency drain valves of 1 to 3 high pressure heaters are open 031 or the high pressure heater water level is bad 032 is 1, then the output of the handheld controller adjustment module 019, the No. 1 high pressure heater emergency drain pneumatic control door adjustment instruction 024 is 100; otherwise, it is 0; (7) When the No. 1 high water level bad quality 034 is 1, the control of the hand operator adjustment module 019 is switched to manual control mode.

[0042] Example 3 like Figure 3 As shown, through the implementation and application of the present invention within the scope of simulation, through the steps of data acquisition, model identification, dynamic optimization and controller execution, it is possible to consider the safety and stability constraints of the system operation in the optimization process, such as the temperature upper limit, the pressure fluctuation range, etc., to ensure that the optimization result does not exceed the safety boundary. In actual applications, the actuator quickly adjusts the operating state of the hydrophobic system according to the control instructions to ensure that the system always operates under the optimal working conditions to achieve the best control effect.

[0043] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all points of view, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims are included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0044] In addition, it should be understood that although this specification describes the embodiments, not every embodiment contains only one independent technical solution. This description is for clarity only. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art. The above content is only for the purpose of illustrating the technical concept of the present invention and cannot be used to limit the scope of protection of the present invention. Any changes made based on the technical solution in accordance with the technical concept proposed by the present invention fall within the scope of protection of the claims of the present invention.

Claims

1. The intelligent control system of the drain system based on the dynamic optimization of the high-pressure pump model is characterized by: include: A first switching module, a first AND module, a first limiting module, a second limiting module, a first pulse module, a first time-delay interrupt module, a second AND module, a first increase / decrease pulse counting module, a second equal comparison module, a first pulse module, and a first SR trigger module; The first switching switch module and the No. 1 high-pressure booster optimization mode input are both connected to the first AND module, the No. 1 high-pressure booster liquid level setting value is connected to the first limiting module, the No. 1 high-pressure booster lower end differential number is connected to the second limiting module, and the output end of the first AND module, the first limiting module, and the second limiting module are all connected to the second AND module; the No. 1 high-pressure booster optimization start is respectively connected to the first pulse module and the first delay interrupt module, the output end of the first pulse module is connected to the No. 1 high-pressure booster optimization mode trigger and the "I" end of the first increase and decrease pulse counting module, and the output end of the first delay interrupt module is connected to the "E" end of the first increase and decrease pulse counting module; the output end of the first increase and decrease pulse counting module is sequentially connected to the second equal comparison module and the first pulse module; The output end of the second AND module and the output end of the first pulse module are respectively connected to the "S" end and the "R" end of the first SR trigger module, and the output end of the first SR trigger module is connected to the No. 1 high-pressure optimization start.

2. The intelligent control system for the drainage system based on dynamic optimization of the high pressure pump model according to claim 1 is characterized in that: It also includes a first equal comparison module, a first multiplication module, a first switching module, a second switching module and a first addition module; The output end of the first multiplication module is connected to the "Pv2" end of the first switching module, the output end of the first switching module is connected to the "Pv1" end of the first switching module, the difference number of the lower end of the No. 1 high-pressure adder is connected to the first equal comparison module, and the output end of the first equal comparison module is connected to the "S" end of the first switching module; the No. 1 high-pressure adder liquid level setting value is connected to the "Pv2" end of the second switching module, the output end of the second switching module is connected to the "Pv1" end of the second switching module, and the output end of the second AND module is connected to the "S" end of the second switching module; the output end of the second switching module and the output end of the first switching module are both connected to the first addition module, and the output end of the first addition module is connected to the No. 1 high-pressure adder liquid level optimization setting value.

3. The intelligent control system for the drainage system based on dynamic optimization of the high pressure pump model according to claim 2 is characterized in that: Also includes: The output end of the first switching module is connected to the No. 1 high-pressure liquid level bias.

4. The intelligent control system for the drainage system based on dynamic optimization of the high pressure pump model according to claim 3 is characterized in that: Also included is a first first-order inertia module and a second multiplication module; The No. 1 high water level is connected to the "Pv" terminal of the first first-order inertia module, the output terminal of the first first-order inertia module is connected to the second multiplication module, and the output terminal of the second multiplication module is connected to the "Pv" terminal of the PID adjustment module.

5. The intelligent control system for the drainage system based on dynamic optimization of the high pressure pump model according to claim 4 is characterized in that: It also includes a second first-order inertia module, a second pulse module, a first OR module, a first tracking module, a third switching module, a first election module, a second increase and decrease pulse counting module, a third multiplication module, a second addition module, a fourth switching module and a PID adjustment module; The No. 1 high-pressure booster liquid level optimization setting value, the output end of the first first-order inertia module and the No. 1 high-pressure booster optimization mode trigger are respectively connected to the "Pv" end, "T" end and "S" end of the second first-order inertia module; the No. 1 high-pressure booster optimization mode trigger is connected to the second pulse module, the "NotA" end of the PID adjustment module and the second pulse module are both connected to the first OR module, the output end of the second first-order inertia module and the output end of the first OR module are both connected to the "T" end and "S" end of the first tracking module; the output end of the first tracking module and the APS start are respectively connected to the "Pv2" end and "S" end of the third switching module; No. 1 high-pressure booster optimization mode trigger is connected to the second pulse module, the "NotA" end of the PID adjustment module and the second pulse module are both connected to the first OR module, the output end of the second first-order inertia module and the output end of the first OR module are both connected to the "T" end and "S" end of the first tracking module The PID setting value of the normal hydrophobic pneumatic regulating valve is connected to the second addition module, and the output end of the second addition module and the reheater desuperheating water valve are respectively connected to the "Pv1" end and "S" end of the fourth switching module; the output end of the third switching module and the output end of the fourth switching module are both connected to the first selection module, the "NotA" end of the PID adjustment module and the output end of the first selection module are respectively connected to the "D" end and "I" end of the second increase and decrease pulse counting module, the output end of the second increase and decrease pulse counting module is connected to the third multiplication module, and the output end of the third multiplication module is connected to the "Sp" end of the PID adjustment module.

6. The intelligent control system for the drainage system based on dynamic optimization of the high pressure pump model according to claim 5 is characterized in that: It also includes a handheld operator adjustment module, wherein the output "NotA" terminal of the handheld operator adjustment module is connected to the "SelT" terminal of the PID adjustment module; The output "Op" terminal of the PID control module is connected to the "PV" terminal of the handheld controller control module; The position feedback of the No. 1 emergency drain pneumatic regulating door is connected to the "FB" terminal of the handheld operator adjustment module.

7. The intelligent control system for draining system based on dynamic optimization of high pressure pump model according to claim 6 is characterized in that: It also includes a fifth switching module, the 1 to 3 high pressure normal steam trap closing and the 1 to 3 high pressure emergency steam trap opening are connected to the "S" end of the fifth switching module, and the output end of the fifth switching module is connected to the "FV" end of the hand operator adjustment module.

8. The intelligent control system for draining system based on dynamic optimization of high pressure pump model according to claim 7 is characterized in that: It also includes a second OR module. The normal steam traps of 1 to 3 high-pressure heaters are closed, the emergency steam traps of 1 to 3 high-pressure heaters are opened, and the quality of the high-pressure heater water level is bad are all connected to the second OR module. The output end of the second OR module is connected to the "FceF" of the handheld operator adjustment module.

9. The intelligent control system for draining system based on dynamic optimization of high pressure pump model according to claim 8 is characterized in that: It also includes a first delay module, the No. 1 high-pressure water level bad quality is connected to the first delay module, the hand operator adjustment module "FceM" of the hand operator adjustment module in sequence; The output "Op" end of the handheld operator adjustment module is connected to the adjustment instruction of the No. 1 high-pressure emergency drain pneumatic control door.

10. The intelligent control method of the hydrophobic system based on the dynamic optimization of the high-pressure pump model is characterized by: The method is based on the hydrophobic system intelligent control system based on dynamic optimization of the high-pressure pump model as described in claim 9, and includes: When the output of No. 1 high-pressure heater optimization start is 1, the following conditions must be met: the first switching switch module is 1, the No. 1 high-pressure heater optimization mode is 1, the No. 1 high-pressure heater liquid level setting value is within 90mm to 120mm, and the No. 1 high-pressure heater lower end difference is less than 85 points; otherwise, the output of No. 1 high-pressure heater optimization start is 0; When the optimization value of No. 1 high pressure heater starts to be 1, the final optimization setting value of No. 1 high pressure heater level is obtained by calculating the correlation coefficient with the setting value of No. 1 high pressure heater level; When the difference number of the lower end of No. 1 high pressure heater is not equal to 0, the final output is the No. 1 high pressure heater level offset; When the "Pv" terminal of the PID control module is calculated, the No. 1 high-pressure water level is calculated by the second multiplication module to obtain the output value; When the "Sp" terminal of the PID control module calculates that the No. 1 high pressure heater optimization mode is triggered to 1, the No. 1 high pressure heater liquid level optimization set value and the No. 1 high pressure heater normal drain pneumatic control valve PID set value are compared to obtain the output value; If the normal trap valves of 1 to 3 high pressure heaters are closed and the emergency trap valves of 1 to 3 high pressure heaters are open or the high pressure heater water level is bad, the output of the handheld controller adjustment module, the adjustment instruction of the No. 1 high pressure heater emergency drain pneumatic control door, is 100; otherwise, it is 0; When the quality of the No. 1 high pressure water level failure is 1, the control of the handheld operator adjustment module is switched to manual control mode.

Images