CN114699985B - Aqueous solution configuration method, apparatus, and computer-readable storage medium - Google Patents
Aqueous solution configuration method, apparatus, and computer-readable storage medium Download PDFInfo
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
Embodiments of the present disclosure provide an aqueous solution configuration method, apparatus, and computer-readable storage medium. The method comprises the following steps: controlling a solution discharge pipeline to convey a solution containing preset solutes to a solution preparation tank; acquiring the current solution concentration and the current solution quality in the solution preparation tank; calculating the water addition amount according to the current solution concentration, the current solution quality and a preset formula; controlling a process water pipeline to fill water into the solution preparation tank according to the water addition amount; calculating the trace element addition amount according to the current solute content, the current water content, the current PH value and the preset formula in the solution preparation tank; and controlling a trace element adding component to add trace elements into the solution preparation tank according to the trace element adding amount so as to prepare a target aqueous solution. In this way, the configuration of the target aqueous solution can be automatically completed, and the configuration efficiency of the aqueous phase and the solution quality of the aqueous phase are improved.
Description
Technical Field
The present disclosure relates to the field of chemical industry, and in particular, to the field of aqueous solution configuration technology.
Background
Emulsion explosives are widely used in civil blasting at present, and particularly the influence of the quality of the emulsion explosives on the blasting effect in the mining process accounts for a large part of factors. The emulsion explosive is a product obtained by mixing an emulsion matrix and a sensitizer and foaming, and the emulsion matrix is a water-in-oil cementing material consisting of a water phase and an oil phase. The water phase accounts for more than 92%, so the quality of the water phase is particularly important.
The quality of the water phase is represented by the accurate control of each link in the preparation process, and the quality of the solution is unstable due to the errors of manual operation procedural performance, trace element addition amount calculation and trace element addition weight accuracy in the manual preparation process; meanwhile, the manual configuration workload is large, the operator is required to take materials, weigh, calculate, add, stir and detect, and if the detection value exceeds the required range, the steps are repeated, so that time and labor are consumed.
Therefore, how to automatically configure the aqueous solution and reduce manual configuration operations is a technical problem to be solved.
Disclosure of Invention
The present disclosure provides an aqueous solution configuration method, apparatus, and storage medium.
According to a first aspect of the present disclosure, a method of aqueous solution formulation is provided. The method comprises the following steps:
controlling a solution discharge pipeline to convey a solution containing preset solutes to a solution preparation tank;
acquiring the current solution concentration and the current solution quality in the solution preparation tank;
calculating the water addition amount according to the current solution concentration, the current solution quality and a preset formula;
controlling a process water pipeline to fill water into the solution preparation tank according to the water addition amount;
calculating the trace element addition amount according to the current solute content, the current water content, the current pH value and the preset formula in the solution preparation tank;
and controlling a trace element adding component to add trace elements into the solution preparation tank according to the trace element adding amount so as to prepare a target aqueous solution.
In aspects and any one of the possible implementations described above, there is further provided an implementation of controlling a solution discharge line to deliver a solution containing a preset solute to a solution formulation tank, comprising:
sending an opening command to a pump valve arranged on the solution discharging pipeline to control the opening of the pump valve arranged on the solution discharging pipeline, and conveying the solution containing the preset solute to the solution preparation tank;
the obtaining the current solution concentration and the current solution mass in the solution preparation tank comprises the following steps:
receiving the current solution concentration and the current solution quality which are respectively detected by an explosion-proof concentration meter and a mass flowmeter arranged on the solution discharging pipeline;
or alternatively
Receiving the current solution quality detected by a mass flowmeter arranged on the solution discharging pipeline;
and receiving the current solution concentration detected by an explosion-proof concentration meter arranged at the bottom of the inner wall of the solution preparation tank.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, wherein the controlling the water injection of the process water pipeline to the solution preparation tank according to the water addition amount includes:
sending an opening command to a valve arranged on the process water pipeline, and controlling the opening of the valve so as to add water into the solution preparation tank;
receiving a water flow value detected by a water flow meter arranged on the process water pipeline;
and if the water flow value reaches the water addition amount, sending a closing command to the valve to control the valve to be closed.
Aspects and any one of the possible implementations as described above, further providing an implementation, the method further including:
sending a start command to a solution stirrer to stir the solution in the solution preparation tank uniformly;
and receiving the current pH value detected by an explosion-proof pH meter arranged at the bottom of the inner wall of the solution preparation tank.
In aspects and any one of the possible implementations described above, there is further provided an implementation, before detecting the current pH value, the method further including:
receiving the current solution temperature in the solution preparation tank detected by an explosion-proof temperature sensor arranged at the bottom of the inner wall of the solution preparation tank;
receiving the current liquid level in the solution preparation tank detected by an explosion-proof liquid level sensor arranged at the bottom of the inner wall of the solution preparation tank;
judging whether the current solution temperature and the current liquid level respectively meet a preset temperature and a preset liquid level;
and if the current solution temperature and the current liquid level respectively meet the preset temperature and the preset liquid level, detecting the current pH value.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, if the current liquid level is lower than a lowest set liquid level, the explosion-proof temperature sensor is controlled to stop detecting the current solution temperature, wherein the lowest set liquid level is lower than the preset liquid level.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, if the current solution temperature does not meet the preset temperature, an on command and/or an off command is sent to a heating device or a heat dissipating device of the solution preparation tank.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner, wherein the controlling the trace element adding component to add the trace element to the solution preparation tank according to the trace element addition amount includes:
and sending a starting command to a trace element adding component arranged above the solution preparation tank so as to control the conveying screw in the trace element adding component to rotate according to the trace element adding amount, thereby adding trace elements stored in a trace element storage tank in the trace element adding component into the solution preparation tank.
According to a second aspect of the present disclosure, an electronic device is provided. The electronic device includes: a memory and a processor, the memory having stored thereon a computer program, the processor implementing the method as described above when executing the program.
According to a third aspect of the present disclosure, there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor implements a method according to the first aspect of the present disclosure.
In the method, the configuration of the target aqueous solution can be automatically completed, the configuration efficiency of the aqueous phase and the solution quality of the aqueous phase are improved, manual configuration operation is reduced, and operations such as material taking, calculation and addition are avoided.
It should be understood that what is described in this summary is not intended to limit the critical or essential features of the embodiments of the disclosure nor to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of embodiments of the present disclosure will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. For a better understanding of the present disclosure, and without limiting the disclosure thereto, the same or similar reference numerals denote the same or similar elements, wherein:
FIG. 1 illustrates a flow chart of an aqueous solution configuration method according to an embodiment of the present disclosure;
FIG. 2 illustrates a schematic diagram of the positional relationship of a compounding jar and a trace element addition assembly in accordance with an embodiment of the present disclosure;
FIG. 3 shows a schematic diagram of a trace element addition assembly according to an embodiment of the present disclosure;
fig. 4 illustrates a block diagram of an exemplary electronic device capable of implementing embodiments of the present disclosure.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to be within the scope of this disclosure.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Fig. 1 shows a flow chart of an aqueous solution configuration method 100 according to an embodiment of the present disclosure. The execution subject of the method 100 may be a PLC control device, which may be connected to a touch screen of a workstation and a general control room computer, and the method may include:
the solution containing the preset solute may be a high-concentration liquid ammonium solution so as to prepare an ammonium nitrate aqueous solution as an aqueous phase of the emulsion matrix;
the solution discharge pipeline and the process water pipeline are communicated with the solution preparation tank and are used for conveying the solution containing the preset solute and the water to the solution preparation tank respectively, and the trace element adding component can be located above the solution preparation tank.
The preset recipe is used for indicating the following information: information on the concentration, temperature, mass of solution, pH, composition of solution, etc. that the solution needs to reach.
and step 160, controlling a trace element adding component to add trace elements into the solution preparation tank according to the trace element adding amount so as to prepare a target aqueous solution, wherein the target aqueous solution can be an ammonium nitrate aqueous solution.
The solution containing preset solutes is injected into the solution preparation tank through controlling the solution discharging pipeline, then the current solution concentration and the current solution quality are detected, according to the current solution concentration, the current solution quality and the preset formula, the amount of water to be added for solution dilution can be automatically calculated, namely the water addition amount is determined, so that the process water pipeline is controlled to inject corresponding water into the solution preparation tank, and as a result, a certain formula is completed due to the fact that the solute and the water are required to be mixed with a plurality of microelements in the water phase, the trace element addition amount can be automatically and accurately calculated according to the current solute content, the current water content, the current pH value and the preset formula in the solution preparation tank, trace element addition assemblies are controlled to add trace elements into the solution preparation tank according to the trace element addition amount, so that the configuration of a target aqueous solution is automatically completed, the configuration of the aqueous phase in an emulsified matrix can be automatically completed, the configuration efficiency of the aqueous phase and the solution quality of the aqueous phase are improved, manual configuration operations are reduced, and operations such as taking, calculating, adding and the like are avoided by operators are required.
It should be noted that, the control command of the control operation in the present embodiment and other embodiments of the present disclosure may be generated by the execution body, or may be generated by the touch screen of the station and the general control room computer, and then sent to the execution body, and then sent by the execution body, which is not limited in the present disclosure.
In order to realize intelligent control, in this embodiment and other embodiments of the present disclosure, all pumps, valves, sensors and trace element adding components are connected to a PLC control device of an execution body to control and collect information of solutions and devices, and the PLC control device is connected to a touch screen and a general control room computer of each station through a network.
In some embodiments, the controlling the solution discharge conduit to deliver a solution comprising a predetermined solute to a solution formulation tank comprises:
sending an opening command to a pump valve arranged on the solution discharging pipeline to control the opening of the pump valve arranged on the solution discharging pipeline, and conveying the solution containing the preset solute to the solution preparation tank; the pump valve can be arranged at any position of the solution discharging pipeline according to the requirement, and is preferably an inlet of the solution discharging pipeline (one end of the solution discharging pipeline is connected with the preparation tank, and the other end of the solution discharging pipeline is connected with the vehicle), wherein the inlet is close to the opening of the vehicle.
The obtaining the current solution concentration and the current solution mass in the solution preparation tank comprises the following steps:
receiving the current solution concentration and the current solution quality which are respectively detected by an explosion-proof concentration meter and a mass flowmeter arranged on the solution discharging pipeline;
or alternatively
Receiving the current solution quality detected by a mass flowmeter arranged on the solution discharging pipeline;
and receiving the current solution concentration detected by an explosion-proof concentration meter arranged at the bottom of the inner wall of the solution preparation tank.
The pump valve is arranged on the solution discharging pipeline, so that the solution in the solution discharging pipeline can smoothly flow into the solution preparation tank by controlling the pump valve to be opened, and the solution can be stopped from being conveyed to the solution preparation tank by controlling the pump valve to be closed.
The detection flexibility of the concentration of the current solution and the quality of the current solution can be increased through the method, the detection method can be selected from the two detection methods, and the detection result can be more accurate through the simultaneous selection of the two detection methods.
In some embodiments, the controlling the process water pipe to fill the solution formulation tank according to the water addition amount comprises:
sending an opening command to a valve arranged on the process water pipeline, and controlling the opening of the valve so as to add water into the solution preparation tank;
receiving a water flow value detected by a water flow meter arranged on the process water pipeline;
and if the water flow value reaches the water addition amount, sending a closing command to the valve to control the valve to be closed.
The valve on the process water pipeline is controlled to be opened, so that water in the process water pipeline smoothly flows into the solution preparation tank, and when the inflow water flow reaches the corresponding water addition amount, the valve is controlled to be closed, so that the water in the process water pipeline smoothly flows into the solution preparation tank, and the solution in the solution preparation tank is reasonably diluted.
In some embodiments, the method further comprises:
sending a start command to a solution stirrer to stir the solution in the solution preparation tank uniformly; the solution stirrer may be installed inside the solution preparing tank for stirring the solution, such as by installing the solution stirrer on the central axis of the bottom of the solution preparing tank.
And receiving the current pH value detected by an explosion-proof pH meter arranged at the bottom of the inner wall of the solution preparation tank.
And a starting command is sent to the solution stirrer so as to automatically stir the solution in the solution preparation tank uniformly, so that the solution is convenient to uniformly mix, and the detection accuracy of the current pH value can be ensured.
In addition, through automatic stirring of control solution agitator, can improve stirring efficiency, and then improve solution configuration efficiency, avoid needing the manual stirring.
In some embodiments, prior to detecting the current pH value, the method further comprises:
receiving the current solution temperature in the solution preparation tank detected by an explosion-proof temperature sensor arranged at the bottom of the inner wall of the solution preparation tank;
receiving the current liquid level in the solution preparation tank detected by an explosion-proof liquid level sensor arranged at the bottom of the inner wall of the solution preparation tank;
judging whether the current solution temperature and the current liquid level respectively meet a preset temperature and a preset liquid level;
and if the current solution temperature and the current liquid level respectively meet the preset temperature and the preset liquid level, detecting the current pH value.
In order to ensure that the configured target solution meets the requirements of temperature and liquid level, an explosion-proof temperature sensor and an explosion-proof liquid level sensor arranged at the bottom of the inner wall of the solution preparation tank can be used for respectively detecting the current solution temperature and the current liquid level, then judging whether the current solution temperature and the current liquid level respectively meet the requirements of the preset temperature and the preset liquid level in a preset formula, if so, indicating that the solution temperature is proper and the liquid level is also proper, therefore, the detection of the pH value can be carried out again, so as to ensure the detection accuracy of the pH value, and avoid pH measurement errors caused by improper temperature or liquid level or the need of repeatedly measuring the pH value for many times.
In some embodiments, if the current liquid level is lower than a minimum set liquid level, the explosion-proof temperature sensor is controlled to stop detecting the current solution temperature, wherein the minimum set liquid level is lower than the preset liquid level.
If the current liquid level is lower than the lowest set liquid level, the current liquid level is too low, and the solution preparation tank is possibly an empty tank, so that a command for stopping temperature detection can be sent to the explosion-proof temperature sensor, the explosion-proof temperature sensor is automatically controlled to stop detecting the current solution temperature, unnecessary temperature detection is avoided, and energy consumption is reduced.
In some embodiments, if the current solution temperature does not meet the preset temperature, an on command and/or an off command is sent to a heating device or a heat sink device of the solution formulation tank.
If the current solution temperature does not meet the preset temperature, the current solution temperature is too high or too low, and the temperature is not proper, and cooling or heating is needed; otherwise, if the current solution temperature is too low, sending an opening command to the heating equipment and sending a closing command to the heat dissipation equipment, so that the heating equipment is utilized to heat the solution as soon as possible.
In addition, the heating device and the heat dissipating device are both prior art, and are not described herein, for example, the heating device may be a heating coil, installed inside the solution preparing tank, and the heat dissipating device may be a fan, installed on an inner wall of the solution preparing tank or on a top of the tank.
In some embodiments, the controlling the trace element addition assembly to add trace elements to the solution formulation tank according to the trace element addition amount comprises:
and sending a starting command to a trace element adding component arranged above the solution preparation tank so as to control the conveying screw in the trace element adding component to rotate according to the trace element adding amount, thereby adding trace elements stored in a trace element storage tank in the trace element adding component into the solution preparation tank. The structure of the trace element adding component is the prior art, and is not repeated here, the structure is shown in fig. 3, and the position relation with the solution preparing tank is shown in fig. 2.
The starting command is sent to the trace element adding component above the solution preparation tank so as to add the trace elements stored in the trace element storage tank into the solution preparation tank, so that components of the solution are perfected, solutes, moisture and trace elements in the solution can be uniformly stirred to form a target solution through chemical reaction, automatic configuration of the target solution is realized, and the need of manual material taking is avoided.
In addition, there may be a plurality of microelements to be added, and the calculation and addition flow for each microelement are as described in the above embodiments. Of course, each trace element has its own storage tank and delivery screw. The following takes the configuration of the ammonium nitrate aqueous solution as an example, and further describes the technical scheme of the present disclosure in detail with reference to fig. 2 and 3:
in the embodiment, the main components of the ammonium nitrate aqueous solution comprise ammonium nitrate, water, thiourea, sodium carbonate and citric acid, wherein the content of the ammonium nitrate and the water accounts for more than 99 percent, and the rest raw materials account for less than 1 percent, so the ammonium nitrate aqueous solution is called trace elements. In other ammonium nitrate water solution configuration application sites, the composition and the percentage of the solution can be adjusted in the system parameter setting according to the actual formulation requirement of the site, so as to realize the automatic solution configuration.
The system comprises:
a mass flow meter and a valve (for simplicity, the liquid ammonium discharge line is not shown in fig. 2, but in fact the liquid ammonium discharge line is in communication with a preparation tank) are mounted on the liquid ammonium discharge line to accurately meter the mass of liquid ammonium entering the ammonium nitrate aqueous solution preparation tank, which has a stirring function. (wherein the feed inlet is provided at the top of the preparation tank and the discharge outlet is provided at the bottom of the preparation tank)
Installing a water flow meter and a valve on the process water pipe to accurately measure the mass of the process water entering the ammonium nitrate aqueous solution preparation tank (likewise, for simplicity, the process water pipe is not shown in fig. 2, and in practice the process water pipe is communicated with the preparation tank);
an explosion-proof online pH meter is arranged on the liquid ammonium preparation tank to measure the pH value of the solution in the tank in real time, an explosion-proof online concentration meter measures the concentration of the solution in the tank in real time, an explosion-proof temperature sensor measures the temperature of the solution in the tank in real time, an explosion-proof liquid level sensor detects the liquid level of the solution in the tank in real time,
the trace element adding system is equipped to add trace elements. In the embodiment, a feeding screw and a weighing tank are used for batch accurate weighing addition, and trace elements can be configured into saturated aqueous solution for accurate adding through pipeline pumping and mass flowmeter metering.
All pumps, valves, sensors and trace element adding systems are connected into a PLC control system for control and information acquisition of solutions and equipment, the PLC system is connected with a touch screen of each station and a total control room computer through a local area network, the touch screen can be used for completing the functions of site unloading, pumping, point dividing action, testing and all production, and the total control room computer can realize the functions for remote operation and is mainly responsible for operation, feedback of processing results and operation, data storage and statistical analysis of the PLC.
The automatic configuration method comprises the following steps:
after the liquid ammonium reaches the site, the liquid ammonium enters a discharging interface of a control system and can remotely send an opening command to a PLC control system or send an opening command to the PLC control system through a site touch screen, a pump valve is controlled to pump liquid ammonia into the preparation tank, and a mass flowmeter obtains the mass of the liquid ammonium added into the preparation tank;
entering a system automatic configuration interface to start automatic configuration, automatically measuring the current solution concentration according to a preset formula by the system by an explosion-proof online concentration meter, calculating the adding amount of the process water by combining the mass of the liquid ammonium and remotely controlling a valve to be added into a preparation tank, and automatically stopping adding after the system judges that the detection value of a process water flowmeter reaches a calculated value; then the system starts a stirrer to stir, and the stirring time is automatically controlled according to different liquid level heights until the solution is stirred uniformly;
the system can control the temperature in the preparation tank to meet the formula requirement according to the detection value of the explosion-proof temperature sensor during the solution configuration and storage (heating coils and/or steam equipment can be arranged in the tank to raise the temperature, a fan can be arranged at the top of the tank to lower the temperature, or a condensing pipe is arranged in the tank to lower the temperature through cold water circulation). If the system detects that the liquid level in the tank is lower than the set liquid level through the explosion-proof liquid level sensor, the system does not control the temperature when the tank is empty, and the energy consumption is reduced.
If the solution temperature meets the requirement, the system rechecks whether the current ammonium nitrate solution ammonium nitrate and water proportion meets the formula requirement range or not through the explosion-proof online concentration meter measurement value;
after the ammonium nitrate aqueous solution meets the requirements, the explosion-proof online pH meter measures the current pH value, the system calculates the trace element addition amount through the ammonium nitrate, the water content and the current pH value in the solution, the single trace element is sequentially conveyed into the weighing tank through the trace element addition system, and the stirrer is automatically started to stir until stirring is uniform after the addition is completed. Then measuring the current pH value by an explosion-proof online pH meter again to judge whether the pH range of the ammonium nitrate aqueous solution meeting the formula requirement is finished; if the control system is not met, the re-addition amount required for calculation of the median value of the measured value in combination with the prescribed pH value in the formula can be added.
The ammonium nitrate aqueous solution can be immediately put into production and used after being prepared, the ammonium nitrate aqueous solution is output and used in a pumping mode, a mass flowmeter is arranged (the mass flowmeter is arranged on an output pipeline, the output pipeline is arranged at the bottom of a preparation tank, and the mass flowmeter is not shown in fig. 2 for simplicity), and the system records the use amount of the ammonium nitrate aqueous solution and calculates the residual amount in the preparation tank through the use amount; if the storage time of the whole tank or the remained ammonium nitrate aqueous solution is too long, the solution can be layered and evaporated to cause concentration and pH value change, the system is started to produce the function again before the system is reused, the system uniformly stirs the solution to detect the concentration and the pH value again, and the process water adding and trace element adding configuration processes are repeated according to the residual amount and the detection value of the solution in the preparation tank recorded by the system until the solution meets the formula requirement and meets the use standard.
Examples will be given below:
the water phase preparation process currently used by the explosive factory is to purchase high-concentration liquid ammonium solution for dilution configuration, and the volume of the water phase preparation tank of the application example is 44m and 50 tons of configurable solution. The liquid ammonium is discharged from the transport vehicle into a preparation tank for preparing the ammonium nitrate aqueous solution.
A mass flowmeter is arranged from the outlet of the liquid ammonium discharge pump to a pipeline of the preparation tank, a water flowmeter is arranged in the process water management, and an explosion-proof online pH meter ⑫, an explosion-proof online concentration meter ⑬, an explosion-proof online thermometer ⑭ and an explosion-proof liquid level sensor ㉒ are arranged on the preparation tank; trace element adding system: comprises a microelement storage and screw conveyor, a microelement weighing feeder (9) and an automatic microelement adding port ㉑ of the water phase tank.
The pH value measured by the explosion-proof online pH meter is sent to the PLC through a 4-20mA signal, and the PLC control system analyzes and calculates the usage amount of the corresponding microelements to be added.
The explosion-proof on-line concentration meter adopts a tuning fork type, the concentration value measured by the on-line concentration meter is sent into the PLC through a 4-20mA signal, and the PLC control system analyzes and calculates the usage amount of water to be added.
The temperature measured by the explosion-proof online thermometer is sent to the PLC through a 4-20mA signal, and a PLC control system analyzes and controls whether the temperature of the solution meets the formula requirement and controls the temperature.
The explosion-proof on-line liquid level meter adopts pressure type, the measured liquid level is sent into the PLC through 4-20mA signals, and the control system analyzes the liquid level change in the preparation tank to judge whether the tank is empty or full.
Explosion-proof microelement adding system: a set of trace element adding equipment is arranged on a 44m water phase preparation tank which is shown in the figure 2; consists of three citric acid storage additives (1) with microelement material storage tanks of 0.3m, thiourea storage additives (2), sodium carbonate storage additives (3) and microelement weighing feeders (9). The method has the function that three microelements, namely citric acid, thiourea and sodium carbonate, are added into the tank when the oxidizing solution is prepared, and are used for adjusting the pH value and other chemical properties of the oxidizing solution.
The bottom of each storage tank is provided with a main conveying screw (4) (5) (6) (vane type) which is respectively driven by three motors identical to the motor (7) to perform variable frequency control, so that quick trace element addition can be performed, meanwhile, a servo motor is connected in parallel below each main conveying screw cylinder to drive a small conveying screw (8) (wherein the main conveying screw and the small conveying screw can rotate simultaneously when trace elements are conveyed, the conveying screws are driven by the motors to rotate), when trace element addition amounts are close to system calculated amounts, the main conveying screw can stop rotating, the small conveying screw is continuously used for accurately adding residual trace elements, and finally the sum of the main conveying screw addition amount and the small conveying screw addition amount is the addition amount calculated by the system. Namely, the trace element adding logic is as follows: for each trace element addition, a screw is started to drive the trace element in the adder to enter the weighing tank ⑮, meanwhile, the weight is measured in real time by the weighing sensor ⑯, after the weight reaches a value, the conveying screw is closed, and the concrete closing mode is as follows: the main conveying screw is closed first and then the small conveying screw is closed, or the main conveying screw and the small conveying screw are closed simultaneously.
The microelement weighing and blanking device (9) consists of a weighing tank ⑮, a weighing sensor ⑯ (insufficient dropping amount is detected), a frame ⑰, a pneumatic butterfly valve ⑱ and a pneumatic vibrator ⑲. The automatic trace element adding port ㉑ of the water phase preparation tank and the pneumatic gate valve ⒇ are of a structure of the preparation tank, wherein after the pneumatic gate valve ⒇ is opened, the automatic trace element adding port ㉑ of the water phase preparation tank is opened, and after the pneumatic gate valve ⒇ is closed, the automatic trace element adding port ㉑ of the water phase preparation tank is closed.
The three groups of spirals are sequentially added into the water phase preparation tank after weighing microelements to be added in batches, and the single process is as follows:
according to the system, after the trace element addition demand is calculated according to the ammonium nitrate solution stock in the water phase preparation tank, the explosion-proof online pH meter measurement value and the explosion-proof online concentration meter measurement value, a single trace element is conveyed into a weighing tank, the required addition quantity is obtained through the matching control screw of the weighing tank and the system, after the weighing tank ⑮ obtains the current trace element demand, the pneumatic gate valve ⒇ (an isolation valve used for isolating the preparation tank from the outside) of the water phase preparation tank trace element automatic addition port 21, steam in the hot trace element solution (85-degree solution) is prevented from overflowing all the time, equipment is crystallized and screw condensed, so that the pneumatic gate valve ⒇ is closed at ordinary times and is opened only at the moment of feeding), then the pneumatic butterfly valve ⑱ at the bottom of the weighing tank ⑮ is opened (so that the material falls to the addition port ㉑ at ordinary times) to enable the trace element to fall into the water phase preparation tank (wherein the requirement is that the pneumatic butterfly valve ⑱ is required to be closed to ensure that the material does not fall down, otherwise, the weighing sensor ⑯ cannot weigh the trace element weight in the weighing tank ⑮, the polishing tank is in a conical shape, the inner wall is prevented from falling into the shape, the vibration of the mirror surface is ensured to fall into the full-down of the trace element vibration and the trace element is completely added in the side of the vibration tank ⑲). After the addition of the single raw materials is completed, the weighing pneumatic valve ⑱ and the trace element adding port ㉑ of the water phase tank are automatically closed to wait for the next starting of the addition.
The whole automatic configuration process is completed by an automatic configuration method.
In other embodiments, the trace elements are added with saturated solution at a set temperature by adopting trace elements, the saturated solution is pumped through a pipeline, the saturated solution is metered and conveyed into an ammonium nitrate water solution preparation tank by a flowmeter, and the trace element addition amount is obtained by calculating the trace element content and the water content of the saturated solution at the temperature by a system. Under the condition of unchanged formula in the embodiment, the water content in the saturated trace element solution is considered to automatically calculate and adjust the adding amount of the process water, and finally, the water content required by the formula is ensured to meet the requirement. The rest of the automatic configuration process is consistent with the configuration method.
It should be noted that, for simplicity of description, the foregoing method embodiments are all described as a series of acts, but it should be understood by those skilled in the art that the present disclosure is not limited by the order of acts described, as some steps may be performed in other orders or concurrently in accordance with the present disclosure. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all alternative embodiments, and that the acts and modules referred to are not necessarily required by the present disclosure.
The foregoing is a description of embodiments of the method, and the following further describes embodiments of the present disclosure through examples of apparatus.
The present disclosure also provides, in accordance with embodiments of the present disclosure, an electronic device and a non-transitory computer-readable storage medium storing computer instructions.
Fig. 4 shows a schematic block diagram of an electronic device 400 that may be used to implement embodiments of the present disclosure. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the disclosure described and/or claimed herein.
The device 400 comprises a computing unit 401 that may perform various suitable actions and processes in accordance with a computer program stored in a Read Only Memory (ROM) 402 or loaded from a storage unit 408 into a Random Access Memory (RAM) 403. In RAM 403, various programs and data required for the operation of device 400 may also be stored. The computing unit 401, ROM 402, and RAM 403 are connected to each other by a bus 404. An input/output (I/O) interface 404 is also connected to bus 404.
Various components in device 400 are connected to I/O interface 405, including: an input unit 406 such as a keyboard, a mouse, etc.; an output unit 407 such as various types of displays, speakers, and the like; a storage unit 408, such as a magnetic disk, optical disk, etc.; and a communication unit 409 such as a network card, modem, wireless communication transceiver, etc. The communication unit 409 allows the device 400 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The computing unit 401 may be a variety of general purpose and/or special purpose processing components having processing and computing capabilities. Some examples of computing unit 401 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various computing units running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, etc. The computing unit 401 performs the various methods and processes described above, such as method 100. For example, in some embodiments, the method 100 may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as the storage unit 408. In some embodiments, part or all of the computer program may be loaded and/or installed onto the device 400 via the ROM 402 and/or the communication unit 409. One or more of the steps of the method 100 described above may be performed when a computer program is loaded into RAM 403 and executed by the computing unit 401. Alternatively, in other embodiments, the computing unit 401 may be configured to perform the method 100 by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and pointing device (e.g., a mouse or trackball) by which a user can provide input to the computer. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), and the internet. The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server may be a cloud server, a server of a distributed system, or a server incorporating a blockchain. It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps recited in the present disclosure may be performed in parallel or sequentially or in a different order, provided that the desired results of the technical solutions of the present disclosure are achieved, and are not limited herein.
The above detailed description should not be taken as limiting the scope of the present disclosure. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (9)
1. An aqueous solution configuration method, wherein the method is suitable for a PLC control device, the method comprising:
controlling a solution discharge pipeline to convey a solution containing preset solutes to a solution preparation tank;
acquiring the current solution concentration and the current solution quality in the solution preparation tank;
calculating the water addition amount according to the current solution concentration, the current solution quality and a preset formula;
controlling a process water pipeline to fill water into the solution preparation tank according to the water addition amount;
calculating the trace element addition amount according to the current solute content, the current water content, the current pH value and the preset formula in the solution preparation tank;
controlling a trace element adding component to add trace elements into the solution preparation tank according to the trace element adding amount so as to prepare a target aqueous solution; the solution discharge pipeline and the process water pipeline are both communicated with the solution preparation tank and are used for respectively conveying solution and water containing preset solutes for the solution preparation tank, the trace element adding component is positioned above the solution preparation tank, the target aqueous solution is an ammonium nitrate aqueous solution, and the main components of the ammonium nitrate aqueous solution are ammonium nitrate, water, thiourea, sodium carbonate and citric acid, wherein the content of the ammonium nitrate and the water is more than 99%, and the content of the other raw materials is less than 1%, so that the trace elements are called;
prior to detecting the current pH value, the method further comprises:
receiving the current solution temperature in the solution preparation tank detected by an explosion-proof temperature sensor arranged at the bottom of the inner wall of the solution preparation tank;
receiving the current liquid level in the solution preparation tank detected by an explosion-proof liquid level sensor arranged at the bottom of the inner wall of the solution preparation tank;
judging whether the current solution temperature and the current liquid level respectively meet a preset temperature and a preset liquid level;
and if the current solution temperature and the current liquid level respectively meet the preset temperature and the preset liquid level, detecting the current pH value.
2. The method of claim 1, wherein controlling the solution discharge line to deliver the solution comprising the predetermined solute to the solution formulation tank comprises:
sending an opening command to a pump valve arranged on the solution discharging pipeline to control the opening of the pump valve arranged on the solution discharging pipeline, and conveying the solution containing the preset solute to the solution preparation tank;
the obtaining the current solution concentration and the current solution mass in the solution preparation tank comprises the following steps:
receiving the current solution concentration and the current solution quality which are respectively detected by an explosion-proof concentration meter and a mass flowmeter arranged on the solution discharging pipeline;
or alternatively
Receiving the current solution quality detected by a mass flowmeter arranged on the solution discharging pipeline;
and receiving the current solution concentration detected by an explosion-proof concentration meter arranged at the bottom of the inner wall of the solution preparation tank.
3. The method of claim 1, wherein the step of determining the position of the substrate comprises,
controlling a process water pipeline to fill water into the solution preparation tank according to the water addition amount, wherein the process water pipeline comprises the following components:
sending an opening command to a valve arranged on the process water pipeline, and controlling the opening of the valve so as to add water into the solution preparation tank;
receiving a water flow value detected by a water flow meter arranged on the process water pipeline;
and if the water flow value reaches the water addition amount, sending a closing command to the valve to control the valve to be closed.
4. The method according to claim 1, wherein the method further comprises:
sending a start command to a solution stirrer to stir the solution in the solution preparation tank uniformly;
and receiving the current pH value detected by an explosion-proof pH meter arranged at the bottom of the inner wall of the solution preparation tank.
5. The method of claim 1, wherein the step of determining the position of the substrate comprises,
and if the current liquid level is lower than the lowest set liquid level, controlling the explosion-proof temperature sensor to stop detecting the current solution temperature, wherein the lowest set liquid level is lower than the preset liquid level.
6. The method of claim 1, wherein the step of determining the position of the substrate comprises,
and if the current solution temperature does not meet the preset temperature, sending an opening command and/or a closing command to heating equipment or heat dissipation equipment of the solution preparation tank.
7. The method according to any one of claim 1 to 6, wherein,
the trace element adding component is controlled to add trace elements into the solution preparation tank according to the trace element adding amount, and the method comprises the following steps:
and sending a starting command to a trace element adding component arranged above the solution preparation tank so as to control the conveying screw in the trace element adding component to rotate according to the trace element adding amount, thereby adding trace elements stored in a trace element storage tank in the trace element adding component into the solution preparation tank.
8. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.
9. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the method of any one of claims 1-7.
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