CN114699985A - Aqueous solution preparation method, apparatus and computer readable storage medium - Google Patents
Aqueous solution preparation method, apparatus and computer readable storage medium Download PDFInfo
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Abstract
Embodiments of the present disclosure provide an aqueous solution preparation method, apparatus, and computer-readable storage medium. The method comprises the following steps: controlling a solution discharge pipeline to convey a solution containing a preset solute to a solution preparation tank; obtaining the current solution concentration and the current solution quality in the solution preparation tank; calculating the addition amount of water according to the concentration of the current solution, the quality of the current solution and a preset formula; controlling a process water pipeline to inject water into the solution preparation tank according to the water addition amount; calculating the addition amount of the trace elements according to the current solute content, the current water content, the current PH value and the preset formula in the solution preparation tank; and adding the trace elements into the solution preparation tank by the trace element adding amount control trace element adding component according to the trace element adding amount so as to prepare a target aqueous solution. In this way, the preparation of the target aqueous solution can be automatically completed, and the preparation efficiency of the aqueous phase and the solution quality of the aqueous phase are improved.
Description
Technical Field
The disclosure relates to the field of chemical engineering, and in particular relates to the technical field of aqueous solution preparation.
Background
Emulsion explosives are currently widely used in civil blasting, and the effect of the quality of emulsion explosives on blasting effect, particularly in mining, is a large part of the factor. The emulsion explosive is a product formed by mixing and foaming a sensitizing agent through an emulsion matrix, and the emulsion matrix is a water-in-oil cementing substance consisting of a water phase and an oil phase. The water phase accounts for more than 92 percent, so the quality of the water phase is particularly important.
The quality of the water phase is embodied in the precise control of each link in the preparation process, and in the manual preparation process, because the errors of the manual operation procedure, the calculation of the addition amount of the trace elements and the accuracy of the weight of the added trace elements exist, the solution proportioning deviation can be inevitable to occur, so that the solution quality is unstable; meanwhile, the manual configuration workload is large, the operation personnel is required to take materials, weigh, calculate, add, stir and detect, and if the detected value exceeds the required range, the steps are repeated, so that the time and the labor are consumed.
Therefore, how to automatically configure the aqueous phase solution and reduce manual configuration operation becomes a technical problem to be solved urgently.
Disclosure of Invention
The disclosure provides an aqueous solution preparation method, an apparatus and a storage medium.
According to a first aspect of the present disclosure, a method of preparing an aqueous solution is provided. The method comprises the following steps:
controlling a solution discharge pipeline to convey a solution containing a preset solute to a solution preparation tank;
obtaining the current solution concentration and the current solution quality in the solution preparation tank;
calculating the addition amount of water according to the concentration of the current solution, the quality of the current solution and a preset formula;
controlling a process water pipeline to inject water into the solution preparation tank according to the water addition amount;
calculating the addition amount of the trace elements according to the current solute content, the current water content, the current PH value and the preset formula in the solution preparation tank;
and adding the trace elements into the solution preparation tank by the trace element adding component according to the trace element adding amount control so as to prepare a target aqueous solution.
The above aspect and any possible implementation further provide an implementation in which the control solution discharge conduit delivers a solution containing a preset solute to the solution preparation tank, including:
sending an opening command to a pump valve installed on the solution discharge pipeline to control the opening of the pump valve installed on the solution discharge pipeline and convey the solution containing the preset solute to the solution preparation tank;
the obtaining of the current solution concentration and the current solution quality in the solution preparation tank includes:
receiving the current solution concentration and the current solution quality respectively detected by an explosion-proof concentration meter and a mass flow meter which are arranged on the solution discharging pipeline;
or
Receiving the current solution quality detected by a mass flow meter arranged on the solution discharge 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 above aspect and any possible implementation manner further provide an implementation manner that the controlling of 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 installed on the process water pipeline, and controlling the opening of the valve 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 above-described aspects and any possible implementations further provide an implementation, and the method further includes:
sending a starting command to a solution stirrer to uniformly stir the solution in the solution preparation 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.
The above aspect and any possible implementation manner further provide an implementation manner, before detecting the current PH value, the method further includes:
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.
The above aspect and any possible implementation manner further provide an implementation manner, wherein 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.
The above-described aspects and any possible implementation further provide an implementation manner, wherein 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 dissipation device of the solution preparation tank.
The aspect described above and any possible implementation manner further provide an implementation manner that the adding of the trace element to the solution preparation tank by the trace element addition amount control trace element adding component includes:
and sending a starting command to a trace element adding assembly arranged above the solution preparation tank so as to control the conveying screw in the trace element adding assembly to rotate according to the amount of the added trace element, so that the trace element stored in a trace element storage tank in the trace element adding assembly is added to the solution preparation tank.
According to a second aspect of the present disclosure, an electronic device is provided. The electronic device includes: a memory having a computer program stored thereon and a 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 as in accordance with the first aspect of the present disclosure.
According to the method and the device, 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 manual operation of operators for material taking, calculation, addition and the like is avoided.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. The accompanying drawings are included to provide a further understanding of the present disclosure, and are not intended to limit the disclosure thereto, and the same or similar reference numerals will be used to indicate the same or similar elements, where:
fig. 1 shows a flow diagram of an aqueous solution configuration method according to an embodiment of the present disclosure;
FIG. 2 shows a schematic diagram of the positional relationship of a formulation tank and a trace element addition assembly according to an embodiment of the disclosure;
FIG. 3 shows a schematic view 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
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 illustrates a flow diagram of an aqueous solution configuration method 100 according to an embodiment of the present disclosure. The execution main body of the method 100 can be a PLC control device, and the PLC control device can be connected with a touch screen of a station and a general control room computer, and the method can include:
the solution containing the preset solute may be a high-concentration liquid ammonium solution so as to prepare an aqueous ammonium nitrate solution as an aqueous phase of an emulsion matrix;
the solution discharge pipeline and the process water pipeline are communicated with the solution preparation tank and used for conveying the solution containing the preset solute and the water to the solution preparation tank respectively, and the trace element adding assembly can be located above the solution preparation tank.
The pre-set recipe is used to indicate the following information: the concentration, temperature, solution quality, pH, solution composition, etc. of the solution to be achieved.
and 160, adding the trace elements into the solution preparation tank by the trace element adding amount control trace element adding component according to the trace element adding amount to prepare a target aqueous solution, wherein the target aqueous solution can be an ammonium nitrate aqueous solution.
The method comprises the steps of injecting a solution containing a preset solute into a solution preparation tank by controlling a solution discharge pipeline, detecting the current solution concentration and the current solution quality, automatically calculating the amount of water to be added for solution dilution according to the current solution concentration, the current solution quality and a preset formula, determining the water addition amount, controlling a process water pipeline to inject corresponding water into the solution preparation tank, and completing a certain formula because the water phase requires not only the solute and the water but also some trace elements for mixing, so that 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, controlling a trace element addition component to add trace elements into the solution preparation tank according to the trace element addition amount to automatically complete the configuration of a target aqueous solution, so can accomplish the configuration of aqueous phase in the emulsified bases automatically, improve the solution quality of the configuration efficiency of aqueous phase and aqueous phase, reduce artificial configuration operation, avoid needing the operation such as the artifical material of getting, calculating, adding of operation personnel.
It should be noted that the control command for controlling the operation in this embodiment and other embodiments of the present disclosure may be generated by the execution main body, or may be generated by the touch screen of the workstation and the computer in the general control room, and then sent to the execution main body, and then sent by the execution main 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 the pumps, valves, sensors, and trace element adding components are connected to the main PLC control device for control and information acquisition of solutions and devices, and the PLC control device is connected to the touch screen of each station and the computer of the master control room through a network.
In some embodiments, the control solution discharge line delivers a solution containing a preset solute to the solution preparation tank, including:
sending an opening command to a pump valve installed on the solution discharge pipeline to control the opening of the pump valve installed on the solution discharge pipeline and convey the solution containing the preset solute to the solution preparation tank; the pump valve can be installed at any position of the solution discharge pipeline according to requirements, and preferably is the inlet of the solution discharge pipeline (one end of the solution discharge pipeline is connected with the preparation tank, and the other end of the solution discharge pipeline is connected with the vehicle), namely the inlet close to the opening of the vehicle.
The obtaining of the current solution concentration and the current solution quality in the solution preparation tank includes:
receiving the current solution concentration and the current solution quality respectively detected by an explosion-proof concentration meter and a mass flow meter which are arranged on the solution discharging pipeline;
or
Receiving the current solution quality detected by a mass flow meter arranged on the solution discharge 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.
Because the pump valve is installed on the solution discharge pipeline, the solution of the solution discharge pipeline can smoothly flow into the solution preparation tank by controlling the opening of the pump valve, and the solution can be stopped being conveyed to the solution preparation tank by controlling the closing of the pump valve.
The detection flexibility of the concentration and the quality of the current solution can be improved by the method, the detection method can be selected from two or both, and the detection result can be more accurate by selecting the two detection methods.
In some embodiments, said controlling the injection of process water lines into said solution preparation tank according to said water addition amount comprises:
sending an opening command to a valve installed on the process water pipeline, and controlling the opening of the valve 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 can smoothly flow into the solution preparation tank, and when the inflow water flow reaches the corresponding water addition amount, the control valve is 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 starting command to a solution stirrer so as to uniformly stir the solution in the solution preparation tank; the solution agitator may be mounted inside the solution preparation tank for agitating the solution, such as by mounting the solution agitator on a central axis at the bottom of the solution preparation 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.
By sending a starting command to the solution stirrer, the solution in the solution preparation tank is automatically stirred uniformly, so that the solution is conveniently and uniformly mixed, and the detection accuracy of the current pH value can be ensured.
In addition, the automatic stirring of the solution stirrer is controlled, so that the stirring efficiency can be improved, the solution preparation efficiency is improved, and the requirement of manual uniform stirring is avoided.
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 which are 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 whether the current solution temperature and the current liquid level respectively meet the requirements of presetting temperature and presetting liquid level in a preset formula is judged, if so, the solution temperature is proper, the liquid level is also proper, therefore, the detection of the PH value can be carried out again, the detection accuracy of the PH value is ensured, and the PH measurement error caused by improper temperature or liquid level is avoided or the PH value is required to be repeatedly measured for many times.
In some embodiments, the explosion-proof temperature sensor is controlled to stop detecting the current solution temperature if the current liquid level is lower than a minimum set liquid level, 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 temperature detection stopping command 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 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, which is not suitable, and needs to be cooled or heated, specifically, if the current solution temperature is too high, an opening command is sent to the heat dissipation equipment and a closing command is sent to the heating equipment, so that the heat dissipation equipment is utilized to cool the solution as soon as possible; on the contrary, if the current solution temperature is too low, an opening command is sent to the heating equipment and a closing command is sent to the heat dissipation equipment, so that the solution is heated as soon as possible by using the heating equipment.
In addition, the heating device and the heat dissipation device are both prior art, and are not described herein again, for example, the heating device may be a heating coil and is installed inside the solution preparation tank, and the heat dissipation device may be a fan and is installed on the inner wall of the solution preparation tank or on the top of the tank.
In some embodiments, the adding of trace elements to the solution formulation tank by the trace element addition amount control trace element adding component comprises:
and sending a starting command to a trace element adding assembly arranged above the solution preparation tank so as to control the conveying screw in the trace element adding assembly to rotate according to the amount of the added trace element, so that the trace element stored in a trace element storage tank in the trace element adding assembly is added to the solution preparation tank. The structure of the trace element adding component is the prior art, and is not described again here, the structure is shown in fig. 3, and the position relation with the solution preparation tank is shown in fig. 2.
The starting command is sent to the trace element adding assembly above the solution preparation tank, so that trace elements stored in the trace element storage tank are added to the solution preparation tank, the components of the solution are perfected, solute, moisture and trace elements in the solution can be uniformly stirred and then form a target solution through chemical reaction, automatic configuration of the target solution is achieved, and manual material taking is avoided.
In addition, there may be a plurality of trace elements to be added, and the calculation and addition procedures for each trace element are as shown in the above examples. Of course, each microelement has its own storage tank and delivery screw. The following takes an example of the configuration of the ammonium nitrate aqueous solution, and further details the technical scheme of the present disclosure with reference to fig. 2 and 3:
in the embodiment, 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 accounts for more than 99%, and the rest raw materials account for less than 1%, so the ammonium nitrate aqueous solution is called as trace elements. In other ammonium nitrate aqueous solution preparation application fields, the solution composition and percentage can be adjusted in the system parameter setting according to the actual formulation requirements on the field, and the automatic solution preparation is realized.
The system comprises:
a mass flow meter and a valve are installed on the liquid ammonium discharge pipeline (for simplicity, the liquid ammonium discharge pipeline is not shown in fig. 2, and actually the liquid ammonium discharge pipeline is communicated with a preparation tank), so that the mass of the liquid ammonium entering the ammonium nitrate aqueous solution preparation tank is accurately measured, and the preparation tank has a stirring function. (wherein, the feed inlet is arranged at the top of the preparation tank, and the discharge outlet is arranged at the bottom of the preparation tank)
Installing a water flow meter and a valve on the process water pipeline to accurately meter the quality of the process water entering the ammonium nitrate aqueous solution preparation tank (likewise, the process water pipeline is not shown in fig. 2 for simplicity, and actually the process water pipeline is communicated with the preparation tank);
an explosion-proof online PH meter is arranged on a liquid ammonium preparation tank to measure the PH value of a 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,
and (4) preparing a trace element adding system and adding trace elements. In the embodiment, a material conveying screw and a weighing tank are used for batch accurate weighing addition, and trace elements can also be prepared into a saturated aqueous solution to be accurately added through pipeline pumping and mass flowmeter metering.
All pumps, valves, sensors and trace element adding systems are connected to a PLC control system to be controlled and information acquisition of solutions and equipment is carried out, the PLC system is connected with a touch screen and a master control room computer of each station through a local area network, field unloading, pumping, point-dividing actions, testing and all production functions can be completed through the touch screen, and the master control room computer can realize the functions, carry out remote operation and mainly take charge of operation, feed back processing results and carry out action, data storage and statistical analysis functions on the PLC.
The automatic configuration method comprises the following steps:
after the liquid ammonium arrives at the site, the liquid ammonium enters a control system unloading interface, a starting command can be issued to a PLC control system remotely or through a site touch screen, a pump valve is controlled to pump the liquid ammonia into the preparation tank, and a mass flow meter obtains the mass of the liquid ammonium added into the preparation tank;
entering an automatic configuration interface of the system to start automatic configuration, automatically measuring the concentration of the current solution by an explosion-proof online concentration meter according to a preset formula by the system, calculating the addition of process water by combining the mass of liquid ammonium, remotely controlling a valve to add the process water 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 automatically controls the stirring time according to different liquid level heights until the solution is uniformly stirred;
the system can be according to explosion-proof temperature sensor detected value control preparation jar interior temperature accord with the prescription requirement during solution configuration and storage (can set up heating coil pipe or steam equipment in the jar and heat up, irritate the top and can set up the fan in order to cool down or through set up the condenser pipe in the jar, cool water circulation cooling). 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 if the tank is empty, and the energy consumption is reduced.
If the solution temperature meets the requirement, the system rechecks whether the ratio of the ammonium nitrate in the ammonium nitrate solution and the water meets the formula requirement range through the measured value of the explosion-proof online concentration meter;
after the ammonium nitrate aqueous solution meets the requirements, the current PH value is measured by the explosion-proof online PH meter, the system calculates the addition amount of the trace elements according to the ammonium nitrate, the water content and the current PH value in the solution, the single trace elements are sequentially conveyed into the weighing tank through the trace element adding system, and the stirrer is automatically started to stir until the mixture is uniformly stirred after the addition is completed. Then measuring the current PH value by an explosion-proof online PH meter to judge whether the PH range of the ammonium nitrate aqueous solution meeting the formula requirements after the preparation is finished; if the pH value does not meet the requirement of the control system, the pH value can be calculated and added again according to the measured value and the specified pH value in the formula.
The ammonium nitrate aqueous solution can be immediately put into production and used after being configured, the ammonium nitrate aqueous solution is output and used in a pumping mode, a mass flow meter (positioned on an output pipeline, the output pipeline is positioned at the bottom of a preparation tank, and is not shown in figure 2 for simplicity) is configured, and a system records the usage amount of the ammonium nitrate aqueous solution and calculates the residual amount in the preparation tank through the usage amount; if the storage time of the whole tank or the remained ammonium nitrate aqueous solution is too long, the solution is layered and the moisture is evaporated to cause the change of the concentration and the pH value, the system is started to carry out the production function again before the solution is used again, the system uniformly stirs the solution and detects the concentration and the pH value again, and the process water addition and trace element addition preparation process is repeated according to the solution allowance and the detection value in the preparation tank recorded by the system until the solution meets the formula requirement and reaches the use standard.
The following examples are given:
examples the aqueous phase preparation process currently used in explosive factories was a dilution arrangement with high-concentration liquid ammonium solution procurement, and the volume of the aqueous phase preparation tank of the application examples was 44m350 tons of solution can be prepared. And (4) unloading the liquid ammonium from the transport vehicle into a preparation tank for preparing the ammonium nitrate aqueous solution.
The pipeline from the outlet of the liquid ammonium discharge pump to the preparation tank is provided with a mass flow meter, the process water management is provided with a water flow meter, and the preparation tank is provided with an explosion-proof online PH meter
Explosion-proof online concentration meter
Explosion-proof on-line thermometer
Explosion-proof liquid level sensor
Microelement addition system: comprises a microelement storage and screw conveyor, a microelement weighing and dropping device and a water phase tank microelement automatic adding port
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 trace elements required to be added.
The explosion-proof online concentration meter adopts a tuning fork type, the concentration value measured by the online concentration meter is sent to 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 the PLC control system analyzes and controls whether the solution temperature meets the formula requirements or not and controls the temperature.
The explosion-proof on-line liquid level meter adopts a pressure type, the measured liquid level is sent to the PLC through a 4-20mA signal, the liquid level change in the preparation tank is analyzed by the control system, and whether the tank is empty or full is judged.
Explosion-proof microelement addition system: at 44m shown in FIG. 23A set of trace element adding equipment is arranged on a roof (R) platform of the water phase preparation tank; composed of three belts of 0.3m3The device comprises a citric acid storage adder, a thiourea storage adder, a sodium carbonate storage adder and a trace element weighing blanking device. The method mainly has the function that three trace elements, namely citric acid, thiourea and sodium carbonate, are added into a tank when an oxidizing solution is prepared, and are used for adjusting the pH value and other chemical properties of the oxidizing solution.
Driving frequency conversion control is carried out on three motors which are the same as the motor (c) respectively by using a main conveying screw (a vane type) arranged at the bottom of each storage tank, rapid trace element addition can be carried out, and a servo motor is connected in parallel below each main conveying screw cylinder to drive a small conveying screw (wherein, the main conveying screw (b) is used for conveying trace elementsThe conveying screw and the small conveying screw can rotate simultaneously, and the conveying screws are driven by respective motors to rotate), when the addition amount of the trace elements is close to the system calculated amount, the main conveying screw can stop rotating, the small conveying screw is continuously used for accurately adding the residual trace elements, and finally the sum of the addition amount of the main conveying screw and the addition amount of the small conveying screw is the addition amount calculated by the system. Namely, the microelement addition logic is as follows: for the addition of each trace element, a screw is started to drive the trace elements in the adder to enter the weighing tank
Simultaneously by weighing sensors
Measuring the weight in real time, and closing the conveying screw after reaching the value, wherein the specific 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.
Microelement weighing blanking device and ninthly weighing tank
Weighing sensor
(insufficient amount of fall detection), frame
Pneumatic butterfly valve
Pneumatic vibrator
And (4) forming. While the water phase preparation tank trace element automatically adds the mouth
And the pneumatic gate valve ⒇ is the structure of the preparation tank, wherein, after the pneumatic gate valve ⒇ is opened, the water phase preparation tankAutomatic trace element adding port
When the water phase preparation tank is opened, the pneumatic gate valve ⒇ is closed, and the trace element automatic adding port of the water phase preparation tank
It is turned off.
The three sets of screws sequentially weigh the microelements to be added in batches and then add the microelements to the water phase preparation tank, and the single process is as follows:
according to the system, the single trace element is conveyed into the weighing tank after the trace element addition demand is calculated according to the stock of the ammonium nitrate solution in the water phase preparation tank, the measurement value of the explosion-proof online PH meter and the measurement value of the explosion-proof online concentration meter, the required addition is obtained by matching the weighing tank with the system to control the screw, and the weighing tank is used for weighing
After obtaining current microelement demand, pneumatic gate valve ⒇ (be an isolation valve for keep apart preparation jar and external follow, avoid steam in hot microelement solution (85 degrees solution) to be excessive always, make equipment crystallization, spiral condensation, so, pneumatic gate valve ⒇ is closed at ordinary times, only opens in reinforced a moment) is automatic to be opened, and the jar of weighing follows
Bottom pneumatic butterfly valve
Open (let the material fall to the addition port)
) Dropping the trace elements into a water phase preparation tank (wherein, a pneumatic butterfly valve is required to be explained
Normally closed to ensure that the material cannot fall down, otherwiseWeighing sensor
The weight of the tank cannot be weighed
Weighing medium trace elements), the weighing tank is in an inverted cone shape with 60 degrees of taper, the inner wall of the tank is mirror-polished, and a pneumatic vibrator is arranged on the side surface
(cooperate with vibration, accelerate blanking) to ensure that all the trace elements fall into the adding port. After the addition of a single raw material is finished, the weighing pneumatic valve
And water phase tank microelement adding port
And automatically closing to wait for the next charging start.
The whole automatic configuration process is completed by an automatic configuration method.
In other embodiments, the trace element addition is realized by adopting a saturated solution of the trace element at a set temperature, pumping the saturated solution through a pipeline, metering and conveying the saturated solution into an ammonium nitrate aqueous solution preparation tank through a flowmeter, and calculating the content and the water content of the trace element of the saturated solution at the temperature by the system to obtain the addition of the trace element. In the embodiment, under the condition that the formula is not changed, the addition amount of the process water is automatically calculated and adjusted by considering the water content in the addition of the trace element saturated solution, 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 is noted that while for simplicity of explanation, the foregoing method embodiments have been described as a series of acts or combination of acts, it will be appreciated by those skilled in the art that the present disclosure is not limited by the order of acts, as some steps may, in accordance with the present disclosure, occur in other orders and concurrently. Further, those skilled in the art will appreciate that the embodiments described in the specification are exemplary embodiments and that acts and modules are not necessarily required for the disclosure.
The above is a description of embodiments of the method, and the embodiments of the apparatus are described below to further illustrate the aspects of the disclosure.
The present disclosure also provides an electronic device and a non-transitory computer-readable storage medium storing computer instructions, according to embodiments of the present disclosure.
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 phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be examples only, and are not meant to limit implementations of the disclosure described and/or claimed herein.
The device 400 comprises a computing unit 401 which may perform various suitable actions and processes in accordance with a computer program stored in a Read Only Memory (ROM)402 or a computer program loaded from a storage unit 408 into a Random Access Memory (RAM) 403. In the RAM 403, various programs and data required for the operation of the device 400 can also be stored. The computing unit 401, ROM 402, and RAM 403 are connected to each other via a bus 404. An input/output (I/O) interface 404 is also connected to bus 404.
A number of components in device 400 are connected to I/O interface 405, including: an input unit 406 such as a keyboard, a mouse, or the like; 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, or the like; 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.
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, Field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), system on a 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 that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
Program code for implementing the methods of the present disclosure may be written in any combination of one or more programming languages. These program codes 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 codes, when executed by the processor or controller, cause the functions/operations specified in the flowchart and/or block diagram to be performed. 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. A 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 a pointing device (e.g., a mouse or a 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 can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end 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 back-end, 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. A client and server are generally 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 combining a blockchain.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present disclosure may be executed in parallel, sequentially, or in different orders, as long as the desired results of the technical solutions disclosed in the present disclosure can be achieved, and the present disclosure is not limited herein.
The above detailed description should not be construed as limiting the scope of the disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.
Claims (10)
1. A method for preparing an aqueous solution, comprising:
controlling a solution discharge pipeline to convey a solution containing a preset solute to a solution preparation tank;
obtaining the current solution concentration and the current solution quality in the solution preparation tank;
calculating the addition amount of water according to the concentration of the current solution, the quality of the current solution and a preset formula;
controlling a process water pipeline to inject water into the solution preparation tank according to the water addition amount;
calculating the addition amount of the trace elements according to the current solute content, the current water content, the current PH value and the preset formula in the solution preparation tank;
and adding the trace elements into the solution preparation tank by the trace element adding amount control trace element adding component according to the trace element adding amount so as to prepare a target aqueous solution.
2. The method of claim 1, wherein the control solution discharge conduit delivers a solution containing a predetermined solute to a solution formulation tank, comprising:
sending an opening command to a pump valve installed on the solution discharge pipeline to control the opening of the pump valve installed on the solution discharge pipeline and convey the solution containing the preset solute to the solution preparation tank;
the obtaining of the current solution concentration and the current solution quality in the solution preparation tank includes:
receiving the current solution concentration and the current solution quality respectively detected by an explosion-proof concentration meter and a mass flow meter which are arranged on the solution discharging pipeline;
or
Receiving the current solution quality detected by a mass flow meter arranged on the solution discharge 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,
the step of controlling the water injection of the process water pipeline to the solution preparation tank according to the water addition amount comprises the following steps:
sending an opening command to a valve installed on the process water pipeline, and controlling the opening of the valve 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 of claim 1, further comprising:
sending a starting command to a solution stirrer so as to uniformly stir the solution in the solution preparation 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.
5. The method of claim 1, wherein prior to detecting the current PH, 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.
6. The method of claim 5,
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.
7. The method of claim 5,
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.
8. The method according to any one of claims 1 to 7,
the adding of the trace elements into the solution preparation tank by the trace element adding component according to the trace element adding amount control comprises the following steps:
and sending a starting command to a trace element adding assembly arranged above the solution preparation tank so as to control the conveying screw in the trace element adding assembly to rotate according to the amount of the added trace element, so that the trace element stored in a trace element storage tank in the trace element adding assembly is added to the solution preparation tank.
9. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
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 1-8.
10. A non-transitory computer readable storage medium having stored thereon computer instructions for causing the computer to perform the method of any one of claims 1-8.
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Cited By (1)
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