Control method, system, device and readable storage medium of production equipment

Abstract

The application provides a production equipment control method, system, device and readable storage medium, and belongs to the technical field of equipment control. The method comprises the following steps: obtaining a target production demand, wherein the target production demand comprises a target weight of a product alkali and a production duration; obtaining a regional production item of each production region based on the target production demand, wherein the production region is divided according to an alkali process production flow, and each production region comprises at least one type of production equipment; determining an adjustment mode of each production region based on the regional production item of the production region, wherein the adjustment mode comprises start-stop states of valves and opening degrees of the valves; and adjusting production equipment of each production region based on the adjustment mode of the production region. The application can improve the production efficiency of alkali products.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of device control, and more particularly to a production device control method, system, device and readable storage medium. BACKGROUND

[0002] In the production process of alkali products (such as 50 alkali), various production devices need to be started and stopped by manual and central control to realize the start and stop, and cannot realize the automatic start and stop of the central control. In the process of 50 alkali reaction, the operator manually sets the temperature, flow and other parameters to stabilize the entire reaction process. In the control process, although each valve has its own PID for automatic control, the control parameters between each valve are not related, and when the demand changes, each control parameter cannot be adjusted in time, which affects the production efficiency of alkali products. SUMMARY

[0003] The purpose of the present application is to provide a production device control method, system, device and readable storage medium to improve the production efficiency of alkali products.

[0004] The first aspect of the embodiment of the present application provides a production device control method, comprising:

[0005] Obtaining a target production demand, the target production demand comprising a target weight of product alkali and a production duration;

[0006] Based on the target production demand, obtaining a regional production item of each production region, wherein the production region has multiple production regions, and the production region is obtained by dividing according to the alkali process production flow, each production region comprising at least one type of production device, and the regional production item is used to represent the weight and production duration of the product alkali produced by each production region under the conditions of the production duration and the target weight of the required product alkali;

[0007] Determining an adjustment mode of each production region based on the regional production item of the production region, the adjustment mode comprising the start-stop state of each valve and the opening degree of each valve;

[0008] Adjusting the production device of each production region based on the adjustment mode of the production region.

[0009] The second aspect of the embodiment of the present application provides a production device control system, comprising:

[0010] A data acquisition module is configured to obtain a target production demand, the target production demand comprising a target weight of product alkali and a production duration;

[0011] The computing module is configured to acquire regional production items of each production region based on target production requirements, wherein the production regions are multiple, and the production regions are divided according to an alkali process production flow, each production region includes at least one type of production equipment, and the regional production item is used to represent the weight and production duration of product alkali required by each production region under the condition of target weight of product alkali required by production duration.

[0012] The strategy module is configured to determine an adjustment mode of each production region based on the regional production item of the production region, wherein the adjustment mode includes start-stop states of valves and opening degrees of the valves.

[0013] The adjustment module is configured to adjust the production equipment of each production region based on the adjustment mode of the production region.

[0014] In a third aspect, an electronic device is provided, which includes a memory, a processor, and a computer program stored in the memory and running on the processor, and the processor implements the steps of the control method of the production device when running the computer program.

[0015] In a fourth aspect, a computer readable storage medium is provided, which stores a computer program, and the computer program implements the steps of the control method of the production device when executed by a processor.

[0016] The control method, system, device and readable storage medium of the production device provided by the embodiments of the present application have the following beneficial effects:

[0017] The embodiments of the present application determine the regional production items of the production regions based on target production requirements, and then determine the adjustment mode according to the regional production items, so that the start-stop states and opening degrees of the valves can be closely adjusted around the production target, the correlation and cooperation between the control parameters of the valves are realized, when the production requirements change, the control parameters of the valves can be adjusted in time and accurately, the stability and efficiency of the entire production process are guaranteed, and the production efficiency of the alkali product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The flowchart of the control method of the production device provided by an embodiment of the present application is shown in the figure.

[0020] Figure 2 A structural block diagram of a control system of a production device is provided for an embodiment of the present application.

[0021] Figure 3 A schematic block diagram of an electronic device is provided for an embodiment of the present application. DETAILED DESCRIPTION

[0022] In the following description, for the purpose of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, methods, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0023] First, the production devices in the present application are all devices used in the production process of alkali, such as evaporation tanks, evaporation tank liquid level regulating valves, condensate tanks, condensate tank liquid level regulating valves, alkali flow regulating valves, etc. The production process of alkali refers to the process of converting 32% alkali into 50% alkali through a process reaction. The liquid level in the evaporation tank can be measured by a liquid level meter, and the temperature in the evaporation tank can be measured by a thermometer. The regulating valves (valves) can be centrally controlled by electronic devices. Each regulating valve also has a single-loop PID automatic regulating function. When the main control part of the electronic device fails, the single-loop PID automatic regulating function of each regulating valve can still achieve automatic control.

[0024] To make the objectives, technical solutions, and advantages of the present application clearer, specific embodiments will be described below with reference to the accompanying drawings.

[0025] Reference is made to Figure 1 , Figure 1 A flowchart of a control method of a production device is provided for an embodiment of the present application, which can be executed by an electronic device. The method can include S101-S104.

[0026] S101: Obtain a target production requirement, which includes a target weight of product alkali and a production duration.

[0027] In this embodiment, the target production demand is a specific production task index set according to the production plan or process requirement, which is the guidance and control target of the entire production process. In this embodiment, the target production demand includes the target weight and production time length of the product alkali. Among them, the product alkali refers to the target product finally produced through the alkali process production process, that is, the alkali solution with a concentration increased from 32% to 50%, and the concentration of the product alkali is higher than that of the raw material alkali (32% alkali). The target weight is the weight value (usually in tons, kilograms, etc.) of the product alkali expected to be produced according to the production plan. The target time length is the time period (usually in hours, minutes, etc.) required to complete the production of the target weight of product alkali.

[0028] This embodiment provides a quantifiable control target for the subsequent production process by specifying the target weight and production time length of the product alkali, ensuring that the electronic device can dynamically adjust the operating parameters of the production equipment based on real-time data to achieve efficient and accurate process control.

[0029] S102: Based on the target production demand, obtain the regional production item of each production region, wherein the production region has multiple production regions, and the production region is obtained by dividing according to the alkali process production process, each production region includes at least one type of production equipment, and the regional production item is used to represent the weight and production time length of the product alkali required to be produced by each production region under the condition of the production time length and the target weight of the required production product alkali.

[0030] In this embodiment, the production region has multiple production regions, which are physical units divided according to the alkali process production process, such as 3-effect evaporation region, 2-effect evaporation region, 1-effect evaporation region, etc. Each production region includes at least one type of production equipment, for example, the 3-effect evaporation region includes different types of production equipment such as evaporation tank, heater, regulating valve, etc.

[0031] In this embodiment, the regional production item is the product alkali weight index that each production region needs to bear under the given production time length and target weight constraint. For example, if the total target in the target production demand is "8 hours to produce 100 kg of 50% alkali", the 3-effect evaporation region may need to complete "2 hours to produce 120 kg of 38% alkali", the 2-effect evaporation region may need to complete "2 hours to produce 110 kg of 45% alkali", and the 1-effect evaporation region may need to complete "4 hours to produce 100 kg of 50% alkali".

[0032] S103: Determine the adjustment mode of each production region based on the regional production item of each production region, and the adjustment mode includes the start-stop state of each valve and the opening degree of each valve.

[0033] In this embodiment, the adjustment mode is a strategy for setting and controlling the operating state of the valve-type equipment in the production area to achieve the regional production item. The adjustment mode includes the start-stop state of each valve and the opening degree of each valve. The start-stop state of the valve refers to the on-off state of the valve, which is used to control the on-off of the fluid. The opening degree of the valve refers to the opening state of the valve, which is usually expressed as a percentage, such as 0%-100%, and is used to control the flow, pressure and other parameters of the fluid. For example, the evaporation tank liquid level regulating valve can control the amount of alkali solution flowing into the evaporation tank by adjusting the valve opening degree, thereby maintaining the stable liquid level in the tank.

[0034] The regional production item of each production area is different, and the corresponding adjustment mode is also different. For example, the regional production item of the 3-effect evaporation area may be "120 kg of 38% alkali produced in 2 hours", and then the adjustment mode of the 3-effect evaporation area can be to open the raw alkali pump, open the raw alkali regulating valve, and keep the valve opening degree at 10%. After the 32% alkali treatment is completed, open the 3-effect alkali regulating valve and keep the opening degree at 10%. The adjustment mode of the 2-effect evaporation area can be to open the 2-effect alkali pump, open the 2-effect alkali regulating valve, and keep the valve opening degree at 12%. The adjustment mode of the 1-effect evaporation area can be to open the 1-effect alkali pump, open the 1-effect alkali pump regulating valve, and keep the valve opening degree at 10%.

[0035] Because the entire alkali process production flow is to convert 32% alkali into 50% alkali through process reaction, 32% alkali can be obtained after passing through the 3-effect evaporation area, the 2-effect evaporation area and the 1-effect evaporation area in turn.

[0036] S104: Adjust the production equipment of each production area based on the adjustment mode of the production area.

[0037] In this embodiment, the production equipment refers to the equipment participating in the alkali process production, including but not limited to valve-type (liquid level regulating valve, flow regulating valve, pressure regulating valve, etc.), container-type (evaporation tank, condensate tank, alkali storage tank, etc.), detection equipment (liquid level meter, thermometer, etc.), and execution equipment (pump, etc.). According to the adjustment mode of each production area, the regulating valve, pump and other equipment in the production area can be adjusted.

[0038] From the above, it can be concluded that the embodiments of the present application determine the regional production item of each production area based on the target production demand, and then determine the adjustment mode according to the regional production item, so that the start-stop state and opening degree of each valve can be closely adjusted around the production target, realizing the correlation and cooperation between the control parameters of each valve. When the production demand changes, the control parameters of each valve can be adjusted in time and accurately, thereby ensuring the stability and efficiency of the entire production process and improving the production efficiency of alkali products.

[0039] In addition, the embodiment of the present application can precisely plan and control the production process by obtaining the target weight of product alkali and the production duration and determining the regional production item of each production region based on the target weight of product alkali and the production duration. The weight of product alkali required to be produced under the given conditions is determined for each production region, so that the production resources can be reasonably allocated, and each production link is closely connected, thereby avoiding the waste of resources and the disconnection of production in the production process, improving the production efficiency, and better guaranteeing the quality consistency of product alkali.

[0040] In an embodiment of the present application, the plurality of production regions include a first production region, a second production region, and a third production region, and the pipelines in the first production region, the second production region, and the third production region are sequentially connected;

[0041] For the embodiment of the present application, the adjustment mode of each production region is determined based on the regional production item of the production region, which includes:

[0042] The first adjustment mode of the first production region is determined based on the regional production item corresponding to the first production region;

[0043] The initial adjustment mode of the second production region is determined based on the first adjustment mode of the first production region, and the second adjustment mode of the second production region is obtained by adjusting the initial adjustment mode of the second production region based on the regional production item corresponding to the second production region;

[0044] The initial adjustment mode of the third production region is determined based on the first adjustment mode of the first production region, the target adjustment mode of the third production region is obtained by adjusting the initial adjustment mode of the third production region based on the regional production item corresponding to the second production region, and the third adjustment mode of the third production region is obtained by adjusting the target adjustment mode based on the regional production item corresponding to the third production region.

[0045] In the embodiment, the plurality of production regions include a first production region, a second production region, and a third production region, the first production region can be a 3-effect evaporation region, the second production region can be a 2-effect evaporation region, and the third production region can be a 1-effect evaporation region. Because the three production regions are divided according to the alkali process production flow, the three production regions are connected by pipelines.

[0046] In the embodiment, the first adjustment mode, the second adjustment mode, and the third adjustment mode all include the opening / closing state of the adjustment valve, the opening degree of the adjustment valve, etc. However, the three adjustment modes also have differences. First, the three adjustment modes are determined based on different bases. Second, the three adjustment modes are aimed at different production equipment.

[0047] For example, the first adjustment mode is determined according to the regional production item corresponding to the first production region, and the equipment to which the first adjustment mode is directed can be a 32% caustic lye adjustment valve, a 3-effect lye adjustment valve, and a 3-effect condensate tank liquid level adjustment valve. In addition to this, the first adjustment mode can also include adjustment of the parameters of the liquid level meter corresponding to the 3-effect evaporation tank, adjustment of the parameters of the temperature meter, the humidity meter and other equipment.

[0048] The second adjustment mode is determined according to the first adjustment mode of the first production region and the regional production item corresponding to the second production region. The adjustment mode of the upstream region (the first production region) will affect the initial adjustment mode of the downstream region, and the final adjustment mode of each region also needs to be corrected in combination with the production item of the region. The production equipment to which the second adjustment mode is directed can be a 2-effect lye adjustment valve and a 2-effect condensate tank liquid level adjustment valve. In addition to this, the second adjustment mode can also include adjustment of the parameters of the liquid level meter corresponding to the 2-effect evaporation tank, adjustment of the parameters of the temperature meter, the humidity meter and other equipment.

[0049] The third adjustment mode is determined based on the first adjustment mode, the regional production item of the second production region and the regional production item of the third production region. The production equipment to which the third adjustment mode is directed can be a 1-effect lye adjustment valve and a 1-effect condensate tank liquid level adjustment valve. In addition to this, the third adjustment mode can also include adjustment of the parameters of the liquid level meter corresponding to the 1-effect evaporation tank, adjustment of the parameters of the temperature meter, the humidity meter and other equipment.

[0050] From the above, it can be concluded that, first, the embodiment of the application establishes an adjustment linkage mechanism between production regions. The adjustment parameters of the first production region are taken as a benchmark to provide an initial adjustment mode for the second production region and the third production region, avoid parameter conflicts caused by independent adjustment of each region, maintain the continuity of key indicators such as temperature and flow in cross-regional transmission, and improve the overall stability of the system.

[0051] Secondly, the downstream region in the embodiment of the application is adjusted twice on the basis of the initial adjustment mode in combination with the actual production item of each region, realizing a double control mode of “benchmark framework + individualized calibration”, which not only guarantees the standardization of the production process, but also flexibly responds to special process flows of different regions, further improving the consistency of production efficiency and product quality.

[0052] In an embodiment of the application, the first adjustment mode of the first production region is determined based on the regional production item corresponding to the first production region, and the first adjustment mode includes:

[0053] determining a first target liquid level value of the first evaporation tank based on a weight of the product alkali required by the first production area, comparing a real-time liquid level value of the first evaporation tank with the first target liquid level value, the first evaporation tank belonging to the first production area;

[0054] if the real-time liquid level value of the first evaporation tank is greater than the first target liquid level value, reducing the opening degree of the flow regulating valve and the liquid level regulating valve in the first production area;

[0055] if the real-time liquid level value of the first evaporation tank is less than or equal to the first target liquid level value, increasing the opening degree of the flow regulating valve and the liquid level regulating valve in the first production area.

[0056] In the embodiment, the core equipment of the first production area is the first evaporation tank (i.e. the 3-effect evaporation tank), and the liquid level of the first evaporation tank directly reflects the inventory of the alkali solution in the tank. The production duration of the product alkali required by each production area has no influence on the adjustment mode of the production area. In the case of fixed production duration, keeping the liquid level of the first evaporation tank stable at the target value means that the amount of the alkali solution flowing in / out per unit time meets the weight requirement of the production item of the area. Therefore, when the liquid level value of the first evaporation tank changes, the state of the regulating valve needs to be adjusted in time.

[0057] In the embodiment, the first target liquid level value is a theoretical value calculated based on the weight of the product alkali required by the first production area, the volume of the first evaporation tank and the production duration. When the real-time liquid level value of the first evaporation tank is greater than the first target liquid level value, it indicates that the current inflow is greater than the outflow, and the inventory of the alkali solution in the tank is more than expected, which may cause overload or low production efficiency of the subsequent production areas (the second production area and the third production area). At this time, the opening degree of the flow regulating valve can be reduced to reduce the input flow of the alkali solution (such as the input amount of the raw alkali solution), and the opening degree of the liquid level regulating valve can be reduced to reduce the output flow of the alkali solution (such as the delivery amount to the second production area). When the real-time liquid level value of the first evaporation tank is less than or equal to the first target liquid level value, it indicates that the current inflow is less than the outflow, and the inventory of the alkali solution in the tank is insufficient, which may cause the subsequent production to be interrupted or the production item of the area to be unable to be completed. At this time, the opening degree of the flow regulating valve can be increased to increase the input flow of the alkali solution (such as increasing the supply of the raw alkali solution), and the opening degree of the liquid level regulating valve can be increased to increase the output flow of the alkali solution.

[0058] In the embodiment, if the real-time liquid level value of the first evaporation tank is greater than the first target liquid level value, the accuracy of the liquid level meter parameter corresponding to the first evaporation tank can be improved, and the accuracy of the temperature meter parameter and the humidity meter parameter can be improved. If the real-time liquid level value of the first evaporation tank is less than or equal to the first target liquid level value, the accuracy of the liquid level meter parameter corresponding to the first evaporation tank can be reduced, and the accuracy of the temperature meter parameter and the humidity meter parameter can be reduced.

[0059] From the above, the embodiment of the present application converts the abstract "product alkali weight index" into a specific "liquid level control target" through the liquid level feedback-valve adjustment closed loop mechanism, and realizes the precise matching of the production flow by the dynamic adjustment of the valve opening degree, so as to ensure that each production area completes the weight task within the specified time, and at the same time maintains the stability and continuity of the entire alkali process production process.

[0060] In an embodiment of the present application, the initial adjustment mode of the second production area is determined based on the first adjustment mode of the first production area, comprising:

[0061] If the first adjustment mode is to reduce the opening degree of the flow regulation valve and the liquid level regulation valve in the first production area, the initial adjustment mode of the second production area is determined to increase the opening degree of the flow regulation valve and the liquid level regulation valve in the second production area;

[0062] If the first adjustment mode is to increase the opening degree of the flow regulation valve and the liquid level regulation valve in the first production area, the initial adjustment mode of the second production area is determined to reduce the opening degree of the flow regulation valve and the liquid level regulation valve in the second production area;

[0063] Wherein, the second adjustment mode is obtained by adjusting the initial adjustment mode of the second production area based on the corresponding regional production item of the second production area, comprising:

[0064] The second target liquid level value of the second evaporation tank is determined based on the weight of the production product alkali required by the second production area, and the second adjustment mode is obtained by adjusting the initial adjustment mode of the second production area based on the comparison result of the real-time liquid level value of the second evaporation tank and the second target liquid level value.

[0065] In the alkali process production process of the embodiment, 32% alkali needs to pass through the first production area, the second production area and the third production area in turn to obtain 50% alkali. The output of the first production area directly affects the input of the second production area, so the adjustment modes of the two areas need to be linked to maintain the material balance of the entire process.

[0066] In the embodiment, when the opening degree of the first production area regulation valve is reduced (i.e. the flow / liquid level regulation valve opening degree is reduced), the output flow is reduced, which will cause the input of the second production area to decrease. In order to avoid the liquid level of the second production area evaporation tank from falling, the opening degree of the regulation valve of the area needs to be increased to supplement the flow and maintain the stability of the liquid level. Conversely, if the opening degree of the first production area regulation valve is increased, the output flow is increased, and the input of the second area is increased, at this time, the opening degree of the regulation valve needs to be reduced to prevent the liquid level from being too high to overflow or overpressure.

[0067] The essence of the "reverse compensation" logic of the initial adjustment mode in this embodiment is to realize the dynamic balance of the material flow through the reverse matching of the upstream and downstream area adjustment actions, and to avoid the liquid level fluctuation or material accumulation in the downstream caused by the upstream adjustment, thereby ensuring the continuity of the production process.

[0068] In this embodiment, after determining the initial adjustment mode, the initial adjustment mode needs to be corrected based on the regional production item of the region. The regional production item of the second production region determines the second target liquid level value of the evaporation tank. The value is the theoretical optimal liquid level calculated according to the production task quantity, which is used to guide the accurate control of the adjustment valve opening. When the real-time liquid level value of the second evaporation tank deviates from the target liquid level value, the initial adjustment mode needs to be further adjusted. Specifically, if the real-time liquid level value is less than the target liquid level value (for example, due to the decrease of the upstream flow), even if the initial adjustment mode is "increase the opening", the opening still needs to be further increased according to the deviation amplitude to speed up the material input; if the real-time liquid level value is greater than or equal to the target liquid level value (for example, the upstream flow is too large), the opening needs to be further reduced or temporarily closed based on the initial "reduce the opening" to prevent the liquid level from exceeding the limit.

[0069] In this embodiment, if the first adjustment mode is to keep the opening of the flow adjustment valve and the liquid level adjustment valve in the first production region and increase the evaporation temperature in the first evaporation tank, the initial adjustment mode of the second production region is determined to increase the opening of the flow adjustment valve and the liquid level adjustment valve in the second production region, or to reduce the evaporation temperature in the second evaporation tank.

[0070] If the first adjustment mode is to keep the opening of the flow adjustment valve and the liquid level adjustment valve in the first production region and reduce the evaporation temperature in the first evaporation tank, the initial adjustment mode of the second production region is determined to reduce the opening of the flow adjustment valve and the liquid level adjustment valve in the second production region, or to increase the evaporation temperature in the second evaporation tank.

[0071] From the above, first, the embodiment realizes the dynamic balance of the material through the reverse linkage of the upstream and downstream production region adjustment modes, avoids the liquid level fluctuation or material accumulation in the downstream caused by the upstream production region adjustment, and ensures the continuity of the production process. Second, the embodiment sets the target liquid level value in combination with the regional production item, adjusts the initial adjustment mode according to the real-time liquid level value, ensures that each production region independently completes the production task, and finally realizes the improvement of the production efficiency.

[0072] In one embodiment of the present disclosure, the initial adjustment mode of the third production region is determined based on the first adjustment mode of the first production region, the target adjustment mode of the third production region is obtained by adjusting the initial adjustment mode of the third production region based on the regional production item corresponding to the second production region, and the third adjustment mode of the third production region is obtained by adjusting the target adjustment mode based on the regional production item corresponding to the third production region.

[0073] In the embodiment, if the first adjustment mode is to reduce the opening degree of the flow regulating valve and the liquid level regulating valve in the first production area, the initial adjustment mode of the third production area is determined as increasing the opening degree of the flow regulating valve and the liquid level regulating valve in the third production area by the first proportion.

[0074] The second target liquid level value of the second evaporation tank is determined based on the weight of the required production product base in the second production area, and the initial adjustment mode of the third production area is adjusted to obtain a target adjustment mode based on the comparison result of the real-time liquid level value of the second evaporation tank and the second target liquid level value. If the real-time liquid level value of the second evaporation tank is greater than the second target liquid level value, the opening degree of the flow regulating valve and the liquid level regulating valve in the third production area is reduced by the second proportion; if the real-time liquid level value of the second evaporation tank is less than or equal to the second target liquid level value, the opening degree of the flow regulating valve and the liquid level regulating valve in the third production area is increased by the second proportion.

[0075] The third target liquid level value of the third evaporation tank is determined based on the weight of the required production product base in the third production area, and the target adjustment mode of the third production area is adjusted to obtain a third adjustment mode based on the comparison result of the real-time liquid level value of the third evaporation tank and the third target liquid level value. If the real-time liquid level value of the third evaporation tank is greater than the third target liquid level value, the opening degree of the flow regulating valve and the liquid level regulating valve in the third production area is reduced by the third proportion; if the real-time liquid level value of the third evaporation tank is less than or equal to the third target liquid level value, the opening degree of the flow regulating valve and the liquid level regulating valve in the third production area is increased by the third proportion. In summary, the third adjustment mode is obtained by multiplying the first proportion, the second proportion and the third proportion to adjust the opening degree of the flow regulating valve and the liquid level regulating valve in the third adjustment mode.

[0076] In an embodiment of the present application, based on the target production demand, the regional production item of each production area is obtained, including:

[0077] A production process mathematical model is established, and the capacity parameters and the basic material conversion rate of each production area are taken as model parameters.

[0078] The target production demand, the actual material conversion rate of each production area and the equipment operation parameter of each production area are input into the production process mathematical model to obtain the regional production item of each production area.

[0079] In the embodiment, the production process mathematical model belongs to a mixed integer non-linear programming (MINLP) model, which is a mathematical expression or equation group used to describe the relationship between material conversion and capacity distribution in the alkali process production process. The parameters of the MINLP model include the capacity parameters and the basic material conversion rate of each production area.

[0080] The capacity parameter is a quantity of material that each production area can process in a unit of time or a production quantity related index. The basic material conversion rate represents a proportion of raw alkali (such as 32% alkali) converted into target products (product alkali or intermediate products) under ideal or standard conditions. The actual material conversion rate represents a real proportion of raw alkali converted into product alkali (or intermediate products) in the actual production process of each production area. The equipment operation parameter represents an operation state index of production equipment (such as a regulating valve and an evaporation tank) in each production area.

[0081] In this embodiment, the target production demand, the actual material conversion rate of each production area and the equipment operation parameter of each production area are input into a production process mathematical model to obtain a regional production item of each production area, including:

[0082] For each production area, the weight of product alkali in the production area is obtained based on the target production demand, the actual material conversion rate of the production area and the equipment operation parameter of the production area through a first formula. The production duration of the production area is obtained based on the weight of product alkali in the production area and the maximum capacity of the production area in a unit of time. The weight of product alkali in the production area and the production duration of the production area are collectively taken as the regional production item of the production area.

[0083] The first formula is as follows:

[0084]

[0085] The first formula is as follows: i The weight of product alkali in the i th production area is represented by Q i, the target weight of product alkali is represented by D, the production duration is represented by t, the maximum capacity of the i th production area in a unit of time is represented by C i, the basic material conversion rate of the k th production area is represented by R k, the equipment operation parameter vector of the k th production area is represented by X k, and the total number of production areas is represented by n. i The maximum capacity of the i th production area in a unit of time is represented by C i, The basic material conversion rate of the k th production area is represented by R k, The equipment operation parameter vector of the k th production area is represented by X k. P k The correction function of the basic material conversion rate is represented by f(R k), P k The equipment operation parameter vector of the k th production area is represented by X k, and the total number of production areas is represented by n.

[0086] In this embodiment, wherein, t k , P k The temperature parameter and the pressure parameter are represented by T and P respectively, The calibration coefficient is represented by a. , The actual material conversion rate of the k th production area is represented by R k.

[0087] From the above, the embodiment gives a specific method for calculating the regional production item of each production region by applying the MINLP model. On the one hand, based on the basic conversion rate and the equipment parameter correction function, the production can be optimized by combining theory and actual working conditions. On the other hand, by using the balance calculation of the production capacity constraint and the target demand, the waste or overload of production capacity can be avoided, the efficient use of production resources can be realized, and the scientificity and execution efficiency of the production plan can be effectively improved.

[0088] In an embodiment of the present application, a production process mathematical model is established, and then the following steps are further included:

[0089] The production capacity parameters are dynamically corrected based on the equipment aging factor, and the equipment aging factor is obtained based on the running time and cumulative processing data volume of the production equipment in each production region;

[0090] The corrected production process mathematical model is determined based on the corrected production capacity parameters;

[0091] Among them, the target production demand, the actual material conversion rate of each production region, and the equipment running parameter of each production region are input into the production process mathematical model to obtain the regional production item of each production region, including:

[0092] The target production demand, the actual material conversion rate of each production region, and the equipment running parameter of each production region are input into the corrected production process mathematical model to obtain the regional production item of each production region.

[0093] In the embodiment, the equipment aging factor is a coefficient quantifying the performance degradation of the production equipment caused by the cumulative running time and processing load increase, which can dynamically adjust the production capacity parameters and reflect the actual production capacity of the equipment decaying over time. The equipment aging factor is obtained based on the running time and cumulative processing data volume of the production equipment in each production region, for example, by the following formula:

[0094]

[0095] Among them, represents the equipment aging factor of the jth production equipment, a and is a decay rate parameter, t j is a coefficient corresponding to the cumulative running time of the jth production equipment, V j represents the cumulative processing data volume of the jth production equipment.

[0096] In the embodiment, the production capacity parameters are dynamically corrected based on the equipment aging factor, including:

[0097] The corrected production capacity parameters are: Among them, represents the maximum production capacity of the i th production area per unit time after correction, , represents the number of production equipment of the i th production area, represents the overall equipment aging factor of the i th production area. When the production capacity parameter changes, the maximum production capacity of the i th production area per unit time in the production process mathematical model is the maximum production capacity of the i th production area per unit time after correction, and the weight of the product base of the corresponding production area is more accurate based on the parameter. The production process mathematical model after correction in the embodiment can be represented by the first formula after correction, that is:

[0098]

[0099] In the embodiment, the equipment aging factor is updated after each production cycle.

[0100] From the above, it can be concluded that the equipment aging factor introduced in the embodiment changes the MINLP model from "static design" to "dynamic adaptation", and through quantifying the influence of equipment performance degradation on production capacity, more scientific production scheduling and resource management are realized, especially for continuous industrial production scenarios.

[0101] The control method of the production equipment corresponding to the above embodiment, Figure 2 The structural block diagram of the control system of the production equipment provided by an embodiment of the present application is shown. For ease of illustration, only parts related to the embodiments of the present application are shown. Referring to Figure 2 The control system of the production equipment 20 includes a data acquisition module 21, a calculation module 22, a strategy module 23, and an adjustment module 24.

[0102] The data acquisition module 21 is configured to acquire target production requirements, which include target weights of product bases and production durations.

[0103] The calculation module 22 is configured to acquire regional production items of each production area based on the target production requirements, wherein the production area is divided according to the base process production process, and each production area includes at least one type of production equipment. The regional production item is used to represent the weight and production duration of the product base produced by each production area under the condition of the target weight of the product base required for production and the production duration.

[0104] The strategy module 23 is configured to determine an adjustment mode of each production area based on the regional production item of the production area, wherein the adjustment mode includes start-stop states of valves and opening degrees of the valves.

[0105] The adjustment module 24 is configured to adjust the production equipment of each production area based on the adjustment mode of the production area.

[0106] In an embodiment of the present application, the plurality of production areas comprises a first production area, a second production area and a third production area, and the pipelines in the first production area, the second production area and the third production area are sequentially communicated.

[0107] The policy module 23 is specifically configured to:

[0108] determine a first adjustment mode of the first production area based on the regional production item corresponding to the first production area;

[0109] determine an initial adjustment mode of the second production area based on the first adjustment mode of the first production area, and adjust the initial adjustment mode of the second production area based on the regional production item corresponding to the second production area to obtain a second adjustment mode;

[0110] determine an initial adjustment mode of the third production area based on the first adjustment mode of the first production area, adjust the initial adjustment mode of the third production area based on the regional production item corresponding to the second production area to obtain a target adjustment mode, and adjust the target adjustment mode based on the regional production item corresponding to the third production area to obtain a third adjustment mode.

[0111] In an embodiment of the present application, the policy module 23 is specifically configured to:

[0112] determine a first target liquid level value of the first evaporation tank based on the weight of the alkali required for producing the product in the first production area, compare the real-time liquid level value of the first evaporation tank with the first target liquid level value, and the first evaporation tank belongs to the first production area;

[0113] if the real-time liquid level value of the first evaporation tank is greater than the first target liquid level value, then decrease the opening degree of the flow adjustment valve and the liquid level adjustment valve in the first production area;

[0114] if the real-time liquid level value of the first evaporation tank is less than or equal to the first target liquid level value, then increase the opening degree of the flow adjustment valve and the liquid level adjustment valve in the first production area.

[0115] In an embodiment of the present application, the policy module 23 is specifically configured to:

[0116] if the first adjustment mode is to decrease the opening degree of the flow adjustment valve and the liquid level adjustment valve in the first production area, then determine that the initial adjustment mode of the second production area is to increase the opening degree of the flow adjustment valve and the liquid level adjustment valve in the second production area;

[0117] if the first adjustment mode is to increase the opening degree of the flow adjustment valve and the liquid level adjustment valve in the first production area, then determine that the initial adjustment mode of the second production area is to decrease the opening degree of the flow adjustment valve and the liquid level adjustment valve in the second production area;

[0118] The second target liquid level value of the second evaporation tank is determined based on the weight of the required production product alkali of the second production area, and the initial adjustment mode of the second production area is adjusted to obtain a second adjustment mode based on a comparison result of the real-time liquid level value of the second evaporation tank and the second target liquid level value.

[0119] In an embodiment of the present application, the calculation module 22 is specifically configured to:

[0120] A production process mathematical model is established, and the capacity parameters and the basic material conversion rates of each production area are taken as model parameters.

[0121] The target production demand, the actual material conversion rates of each production area, and the equipment operation parameters of each production area are input into the production process mathematical model to obtain the regional production item of each production area.

[0122] In an embodiment of the present application, the calculation module 22 is further configured to:

[0123] The capacity parameters are dynamically corrected based on the equipment aging factor, and the equipment aging factor is obtained based on the running time and the cumulative processing data volume of the production equipment in each production area.

[0124] The corrected production process mathematical model is determined based on the corrected capacity parameters.

[0125] The target production demand, the actual material conversion rates of each production area, and the equipment operation parameters of each production area are input into the corrected production process mathematical model to obtain the regional production item of each production area.

[0126] In an embodiment of the present application, the calculation module 22 is specifically configured to:

[0127] The weight of the product alkali of each production area is obtained based on the first formula, and the production duration of the production area is obtained based on the weight of the product alkali of the production area and the maximum capacity of the production area per unit time. The weight of the product alkali of the production area and the production duration of the production area are taken together as the regional production item of the production area, and the first formula is:

[0128]

[0129] wherein Q i represents the weight of the product alkali of the i-th production area, D represents the target weight of the product alkali, t represents the production duration, C i represents the maximum capacity of the i-th production area per unit time, represents the basic material conversion rate of the k-th production area, represents the equipment operation parameter vector of the k-th production area P k The correction function of the basic material conversion rate, , represents the actual material conversion rate of the k-th production area, P k represents the equipment operation parameter vector of the kth production area, and n represents the total number of production areas.

[0130] See also Figure 3 , Figure 3 This is a schematic block diagram of an electronic device provided in one embodiment of the present application. Figure 3 The electronic device 300 in the embodiment shown may include: one or more processors 301, one or more input devices 302, one or more output devices 303, and one or more memories 304. The processors 301, input devices 302, output devices 303, and memories 304 communicate with each other via a communication bus 305. The memory 304 is used to store computer programs, which include program instructions. The processor 301 is used to execute the program instructions stored in the memory 304. The processor 301 is configured to call the program instructions to execute the functions of the modules in the above-mentioned system embodiments, such as Figure 2 The functions of the data acquisition module 21, the calculation module 22, the strategy module 23 and the adjustment module 24 are shown.

[0131] It should be understood that in the embodiment of the present application, the processor 301 may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor, etc.

[0132] The input device 302 may include a touchpad, a fingerprint collection sensor (for collecting user fingerprint information and fingerprint direction information), a microphone, etc. The output device 303 may include a display (LCD, etc.), a speaker, etc.

[0133] The memory 304 may include read-only memory and random access memory, and provides instructions and data to the processor 301. A portion of the memory 304 may also include non-volatile random access memory. For example, the memory 304 may also store operating parameters of production equipment, production capacity parameters of each production area, and the like.

[0134] In particular implementations, the processor 301, the input device 302, and the output device 303 described in the embodiments of the present application can perform the implementation manners described in the control method of the production device provided by the embodiments of the present application, and can also perform the implementation manners described in the electronic device, which will not be described here.

[0135] In another embodiment of the present application, a computer readable storage medium is provided, which stores a computer program. The computer program includes program instructions, which are executed by a processor to implement all or part of the processes of the above-mentioned embodiment methods. The computer program can also be used to instruct related hardware to complete the implementation. The computer program can be stored in a computer readable storage medium. When the computer program is executed by the processor, the steps of the above-mentioned various method embodiments can be implemented. The computer program includes computer program code, which can be in the form of source code, object code, executable file, or some intermediate form. The computer readable medium can include any entity or system that can carry the computer program code, recording medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier signal, telecommunication signal, and software distribution medium, etc.

[0136] The computer readable storage medium can be an internal storage unit of the electronic device of any of the above-mentioned embodiments, such as a hard disk or a memory of the electronic device. The computer readable storage medium can also be an external storage device of the electronic device, such as a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Further, the computer readable storage medium can include both the internal storage unit and the external storage device of the electronic device. The computer readable storage medium is used to store the computer program and other programs and data required by the electronic device. The computer readable storage medium can also be used to temporarily store data that has been output or will be output.

[0137] Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the electronic device and the units described above can refer to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0138] Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the electronic device and the units described above can refer to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0139] In several embodiments provided in the present application, it should be understood that the disclosed electronic device and method can be implemented in other ways. For example, the system embodiments described above are merely schematic, for example, the division of units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of modules can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed units can be indirect coupling or communication connection through some interfaces or units, and can also be electrical, mechanical or other form of connection.

[0140] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiments of the present application.

[0141] In addition, the functional modules in each embodiment of the present application can be integrated in one processing module, or each module can exist physically, or two or more modules can be integrated in one module. The integrated module can be realized in the form of hardware or in the form of a software functional module.

[0142] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A control method of a production apparatus, characterized by, The method comprises the following steps: obtaining target production requirements, the target production requirements comprising a target weight of product alkali and a production duration; based on the target production requirements, obtaining a regional production item of each production region, wherein the production region is divided according to an alkali process production flow, each production region comprises at least one type of production equipment, and the regional production item is used to represent the weight and production duration of product alkali required by each production region under the conditions of the production duration and the target weight of product alkali required; determining an adjustment mode of each production region based on the regional production item of the production region, the adjustment mode comprising the start-stop state of each valve and the opening degree of each valve, the production regions comprising a first production region, a second production region and a third production region, and the pipelines in the first production region, the second production region and the third production region are sequentially connected; the determination of the adjustment mode of each production region based on the regional production item of the production region comprises the determination of a first adjustment mode of the first production region based on the regional production item corresponding to the first production region; wherein the determination of the first adjustment mode of the first production region based on the regional production item corresponding to the first production region comprises: determining a first target liquid level value of a first evaporation tank based on the weight of product alkali required by the first production region, comparing a real-time liquid level value of the first evaporation tank with the first target liquid level value, and the first evaporation tank belongs to the first production region; if the real-time liquid level value of the first evaporation tank is greater than the first target liquid level value, reducing the opening degree of a flow regulating valve and a liquid level regulating valve in the first production region; if the real-time liquid level value of the first evaporation tank is less than or equal to the first target liquid level value, increasing the opening degree of the flow regulating valve and the liquid level regulating valve in the first production region; adjusting the production equipment of each production region based on the adjustment mode of the production region.

2. The control method of a production apparatus according to claim 1, characterized by, The determination of the adjustment mode of each production region based on the regional production item of the production region further comprises: determining an initial adjustment mode of the second production region based on the first adjustment mode of the first production region, and adjusting the initial adjustment mode of the second production region based on the regional production item corresponding to the second production region to obtain a second adjustment mode; determining an initial adjustment mode of the third production region based on the first adjustment mode of the first production region, adjusting the initial adjustment mode of the third production region based on the regional production item corresponding to the second production region to obtain a target adjustment mode, and adjusting the target adjustment mode based on the regional production item corresponding to the third production region to obtain a third adjustment mode.

3. The control method of a production apparatus according to claim 2, characterized in that, The determination of the initial adjustment mode of the second production region based on the first adjustment mode of the first production region comprises: if the first adjustment mode is to reduce the opening degree of the flow regulating valve and the liquid level regulating valve in the first production region, the initial adjustment mode of the second production region is determined to be to increase the opening degree of the flow regulating valve and the liquid level regulating valve in the second production region. if the first adjustment mode is to increase the opening degree of the flow regulating valve and the liquid level regulating valve in the first production area, it is determined that the initial adjustment mode of the second production area is to decrease the opening degree of the flow regulating valve and the liquid level regulating valve in the second production area; wherein the adjustment of the initial adjustment mode of the second production area based on the regional production item corresponding to the second production area to obtain the second adjustment mode comprises: determining a second target liquid level value of the second evaporation tank based on the weight of the alkali required by the second production area for producing products, and adjusting the initial adjustment mode of the second production area based on a comparison result of the real-time liquid level value of the second evaporation tank and the second target liquid level value to obtain the second adjustment mode.

4. The control method of a production apparatus according to Claim 1, characterized by, the target production demand, the actual material conversion rate of each production area, and the equipment operation parameter of each production area are input into the production process mathematical model to obtain the regional production item of each production area. a production process mathematical model is established, and the capacity parameter and the basic material conversion rate of each production area are taken as model parameters; the target production demand, the actual material conversion rate of each production area, and the equipment operation parameter of each production area are input into the production process mathematical model to obtain the regional production item of each production area.

5. The control method of a production apparatus according to Claim 4, characterized by, the establishment of the production process mathematical model further comprises: the capacity parameter is dynamically corrected based on a device aging factor, and the device aging factor is obtained based on the running time and the cumulative processing data volume of the production device in each production area; a corrected production process mathematical model is determined based on the corrected capacity parameter; wherein the input of the target production demand, the actual material conversion rate of each production area, and the equipment operation parameter of each production area into the production process mathematical model to obtain the regional production item of each production area comprises: the input of the target production demand, the actual material conversion rate of each production area, and the equipment operation parameter of each production area into the corrected production process mathematical model to obtain the regional production item of each production area.

6. The control method of a production apparatus according to Claim 4, characterized by, the input of the target production demand, the actual material conversion rate of each production area, and the equipment operation parameter of each production area into the production process mathematical model to obtain the regional production item of each production area comprises: for each production area, the weight of the product alkali is obtained based on the target production demand, the actual material conversion rate of the production area, and the equipment operation parameter of the production area through a first formula; the production duration of the production area is obtained based on the weight of the product alkali of the production area and the maximum capacity of the production area per unit time; and the weight of the product alkali of the production area and the production duration of the production area are taken together as the regional production item of the production area; wherein the first formula is: wherein Q i represents the weight of product base of the i-th production area, D represents the target weight of product base, t represents the production duration, C i represents the maximum production capacity per unit time of the i-th production area, represents the base material conversion rate of the k-th production area, represents the equipment operation parameter vector of the k-th production area P k a correction function of the base material conversion rate, , represents the actual material conversion rate of the k-th production area, P k represents the equipment operation parameter vector of the k-th production area, n represents the total number of production areas.

7. A control system of a production apparatus, characterized by, comprises: a data acquisition module configured to acquire a target production demand, wherein the target production demand comprises a target weight of product alkali and a production duration; The computing module is configured to obtain a regional production item of each production region based on a target production demand, wherein the production regions are multiple, and the production regions are obtained by dividing the alkali process production flow, each production region comprises at least one type of production equipment, and the regional production item is used to represent a weight of product alkali and a production time length required by each production region under the condition of a target weight of the production product alkali and the production time length; The strategy module is configured to determine an adjustment mode of each production region based on the regional production item of the production region, wherein the adjustment mode comprises start-stop states of valves and opening degrees of the valves; the multiple production regions comprise a first production region, a second production region and a third production region, and pipelines in the first production region, the second production region and the third production region are sequentially communicated; The strategy module is specifically configured to: determine a first adjustment mode of the first production region based on the regional production item corresponding to the first production region; wherein the determination of the first adjustment mode of the first production region based on the regional production item corresponding to the first production region comprises: determining a first target liquid level value of a first evaporation tank based on a weight of product alkali required by the first production region, comparing a real-time liquid level value of the first evaporation tank with the first target liquid level value, and the first evaporation tank belongs to the first production region; if the real-time liquid level value of the first evaporation tank is greater than the first target liquid level value, reducing opening degrees of a flow regulating valve and a liquid level regulating valve in the first production region; if the real-time liquid level value of the first evaporation tank is less than or equal to the first target liquid level value, increasing the opening degrees of the flow regulating valve and the liquid level regulating valve in the first production region; The adjustment module is configured to adjust production equipment of each production region based on the adjustment mode of the production region.

8. An electronic device comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that, The processor executes the computer program to realize the steps of the method in any one of claims 1 to 6.

9. A computer-readable storage medium storing a computer program, the computer program comprising instructions that, when executed by a computer, cause the computer to perform the method of any one of claims 1 to 8. The computer program is executed by the processor to realize the steps of the method in any one of claims 1 to 6.

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