CN112505243A - Method and system for monitoring parameters of ammonia water solution in real time - Google Patents
Method and system for monitoring parameters of ammonia water solution in real time Download PDFInfo
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- CN112505243A CN112505243A CN202011136819.2A CN202011136819A CN112505243A CN 112505243 A CN112505243 A CN 112505243A CN 202011136819 A CN202011136819 A CN 202011136819A CN 112505243 A CN112505243 A CN 112505243A
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Abstract
The invention relates to a method and a system for monitoring parameters of an ammonia water solution in real time, and particularly discloses a method and a system for acquiring the temperature, the density and the flow of the ammonia water solution in real time, filtering the acquired temperature, density and flow and storing the filtered data; judging whether the ammonia water solution is unloaded or not according to the flow, obtaining the moment when the ammonia water solution starts to be unloaded and the moment when the ammonia water solution finishes to be unloaded, and calculating and storing the total flow of the ammonia water solution in the unloading process based on the moment when the ammonia water solution starts to be unloaded, the moment when the ammonia water solution finishes to be unloaded and the flow; when the ammonia water solution is unloaded, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending early warning information; when the ammonia water solution is unloaded and a sampling signal is obtained, sampling the ammonia water solution according to a preset sampling frequency and an interval period, and storing the ammonia water solution in a liquid storage bottle; the ammonia water concentration real-time online monitoring, data storage and interconnection uploading can be realized, and the detection timeliness is effectively improved.
Description
Technical Field
The invention relates to the technical field of automatic solution detection, in particular to a method and a system for monitoring parameters of an ammonia water solution in real time.
Background
At present, in the production process of industries such as building materials, petrifaction and smelting, particularly in the field of cement production, the concentration detection of an ammonia water solution mainly adopts a chemical titration method, samples are taken back to a laboratory when an ammonia water truck unloads the ammonia water solution manually, hydrochloric acid with a certain concentration is added into a quantitative sample, a neutralization reaction is carried out on the hydrochloric acid, and therefore the ammonia water concentration value is calculated. The detection method has long measurement time, and cannot detect the ammonia water concentration in the whole process in real time in the unloading process of the ammonia water vehicle, so that the detection result is delayed; the harm of the ammonia gas volatilized in the sampling process to the human body can not be avoided; the influence of human factors on the accuracy cannot be avoided; whether other alkaline substances are added into the ammonia water cannot be judged, so that the effective components of the ammonia water are substantially reduced while the ammonia water concentration is improved in a phase-change manner, the cost is increased, the benefit is reduced, and even the emission reduction effect cannot be achieved.
Disclosure of Invention
In view of the above, the present invention provides a method and a system for monitoring parameters of an ammonia water solution in real time, which can realize real-time online monitoring of the concentration of the ammonia water solution, data storage and interconnection uploading, effectively improve detection timeliness, reduce working strength of workers, avoid operation errors caused by human factors, avoid damage to a manual sampling process, avoid phase change caused by adding other alkaline substances into the ammonia water solution to improve the concentration, and reduce the possibility of mixing unqualified products into the production field.
In order to achieve the above object, the present invention provides a method for monitoring parameters of an ammonia water solution in real time, comprising:
acquiring the temperature, density and flow of an ammonia water solution in real time, and storing the acquired temperature, density and flow after data filtration;
judging whether the ammonia water solution is unloaded or not according to the flow, obtaining the moment when the ammonia water solution starts to be unloaded and the moment when the ammonia water solution finishes to be unloaded, and calculating and storing the total flow of the ammonia water solution in the unloading process based on the moment when the ammonia water solution starts to be unloaded, the moment when the ammonia water solution finishes to be unloaded and the flow;
when the ammonia water solution is unloaded, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending early warning information;
when the ammonia water solution is unloaded and a sampling signal is obtained, the ammonia water solution is sampled according to a preset sampling frequency and an interval period and is stored in a liquid storage bottle.
Preferably, the data filtering specifically includes:
and removing the data of accidental abnormal jumping and keeping effective data.
Preferably, before the obtaining the temperature, the density and the flow of the ammonia water solution in real time, and storing the obtained temperature, the density and the flow after data filtering, the method further includes:
and setting parameters according to the preset time required for unloading the ammonia water solution, the rated flow and the required sample quantity.
Preferably, the determining whether the ammonia solution is unloaded according to the flow rate, obtaining an unloading starting time and an unloading finishing time of the ammonia solution, calculating and storing a total flow rate of the ammonia solution in the unloading process based on the unloading starting time, the unloading finishing time and the flow rate includes:
judging whether the flow is larger than a preset second threshold value or not, if so, judging that the ammonia water solution starts to unload, and storing the unloading starting time point;
judging whether the flow is smaller than a preset third threshold value or not, if so, judging that the unloading of the ammonia water solution is finished, and storing the unloading time point;
and calculating and storing the total flow of the ammonia water solution in the unloading process from the time point of starting unloading to the time point of finishing unloading.
In order to achieve the above object, the present invention further provides a system for monitoring parameters of an ammonia water solution in real time, the system comprising:
the monitoring device is used for acquiring the temperature, the density and the flow of the ammonia water solution in real time;
the sampling device is used for receiving the sampling control instruction and sampling the ammonia water solution or executing the sampling stopping control instruction according to the preset sampling frequency and interval period;
the storage device is used for storing the temperature, the density and the flow of the obtained ammonia water solution and the total flow of the ammonia water solution in the unloading process;
and the processor is connected with the monitoring device, the sampling device and the storage device and is used for receiving input signals for processing and issuing control instructions corresponding to all functions.
Preferably, monitoring devices includes electromagnetic flowmeter and tuning fork densimeter, electromagnetic flowmeter is used for acquireing the flow of aqueous ammonia solution, the tuning fork densimeter is used for acquireing the temperature and the density of aqueous ammonia solution.
Preferably, the sampling device comprises a conversion valve, a syringe pump and a liquid storage bottle, wherein the conversion valve and the syringe pump receive a sampling control instruction or a sampling stopping control instruction of the processor, and store the ammonia water solution sampled each time in the liquid storage bottle when sampling is performed.
Preferably, the system further comprises a touch screen for setting parameters and receiving a control instruction issued by the processor to display data.
Preferably, the system further comprises a terminal at least for receiving the early warning information.
In order to achieve the above object, the present invention further provides a computer-readable storage medium, which includes a stored computer program, wherein when the computer program is executed, the apparatus on which the computer-readable storage medium is located is controlled to implement the method for monitoring parameters of an ammonia water solution in real time according to the above embodiments.
Has the advantages that:
according to the scheme, the temperature, the density and the flow of the ammonia water solution are obtained in real time, and the obtained temperature, density and flow are subjected to data filtering and then stored; judging whether the ammonia water solution is unloaded or not according to the flow, obtaining the moment when the ammonia water solution starts to be unloaded and the moment when the ammonia water solution finishes to be unloaded, and calculating and storing the total flow of the ammonia water solution in the unloading process based on the moment when the ammonia water solution starts to be unloaded, the moment when the ammonia water solution finishes to be unloaded and the flow; when the ammonia water solution is unloaded, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending early warning information; when the ammonia water solution is unloaded and a sampling signal is obtained, sampling the ammonia water solution according to a preset sampling frequency and an interval period, and storing the ammonia water solution in a liquid storage bottle; can realize that aqueous ammonia solution concentration real-time on-line monitoring and data storage and interconnection upload, effectively improve the ageing of detection to can reduce staff's working strength, avoid the operation error that the human factor brought, avoid the injury that artifical sampling process received, avoid adding other alkaline material in the aqueous ammonia solution and come the phase transition and improve the concentration, reduce nonconforming product and sneak into the production field.
In the above scheme, the data filtering specifically includes: the data of accidental abnormal jitter are removed, effective data are reserved, the interference of accidental abnormal data can be reduced, and the accuracy of data operation is improved.
Above scheme, the temperature, density and the flow that obtain aqueous ammonia solution in real time to carry out data filtering to the temperature, density and the flow that obtain and before the storage, still include: the parameters are set according to the preset time for unloading the ammonia water solution, the rated flow and the required sample quantity, and the parameters can be set according to the actual working conditions or the process change on site, so that the intellectualization and the humanization are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for monitoring parameters of an ammonia solution in real time according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart of a method for monitoring parameters of an ammonia solution in real time according to another embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a system for monitoring parameters of an ammonia solution in real time according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The present invention will be described in detail with reference to the following examples.
The invention provides a method for monitoring ammonia water solution parameters in real time, which can realize real-time online monitoring of ammonia water solution concentration, data storage and interconnection uploading, effectively improve detection timeliness, reduce working strength of workers, avoid operation errors caused by human factors, avoid injury in a manual sampling process, avoid phase change caused by adding other alkaline substances into the ammonia water solution to improve the concentration, and reduce the possibility that unqualified products are mixed into the production field.
Example one
Fig. 1 is a schematic flow chart of a method for monitoring parameters of an ammonia water solution in real time according to an embodiment of the present invention.
In this embodiment, the method includes:
and S11, acquiring the temperature, density and flow of the ammonia water solution in real time, and storing the acquired temperature, density and flow after data filtering.
Wherein, the data filtering specifically comprises: and removing the data of accidental abnormal jumping and keeping effective data. In this embodiment, the data filtering first performs a plausibility analysis on the collected data, for example, the ammonia water concentration exceeds a normal value, i.e., is too large or the size is considered as invalid data, and the invalid data is discarded. The current data is then compared with the previous data and if the jitter is too large, it is considered a jerky value, and is also invalid. For example, the temperature may only be slowly increased or decreased without a sudden change, and if the current temperature is compared with the previous 1s temperature and the value exceeds 1 ℃, the temperature is considered to have a sudden change.
Furthermore, the effective data are summed and averaged to obtain an average value in the process of unloading the ammonia water solution once, so that the accuracy of the ammonia water concentration can be improved. The average concentration is calculated by considering the influence of different flow factors in each time period, so that the possibility of cheating through high-concentration low-flow and low-concentration high-flow is prevented, and therefore, the flow is also an important parameter for calculating the average concentration of the ammonia water solution.
And S12, judging whether the ammonia water solution is unloaded according to the flow, obtaining the unloading starting time and the unloading finishing time of the ammonia water solution, calculating the total flow of the ammonia water solution in the unloading process based on the unloading starting time, the unloading finishing time and the flow, and storing the total flow.
Wherein, judge whether aqueous ammonia unloads through the flow to obtain aqueous ammonia solution and begin the uninstallation moment and accomplish the uninstallation moment, calculate the total flow of aqueous ammonia solution of uninstallation process and save based on begin the uninstallation moment, accomplish the uninstallation moment and the flow, include:
judging whether the flow is larger than a preset second threshold value or not, if so, judging that the ammonia water solution starts to unload, and storing the unloading starting time point;
judging whether the flow is smaller than a preset third threshold value or not, if so, judging that the unloading of the ammonia water solution is finished, and storing the unloading time point;
and calculating and storing the total flow of the ammonia water solution in the unloading process from the time point of starting unloading to the time point of finishing unloading.
In this embodiment, the received real-time monitoring flow data is compared with a preset flow threshold value to determine whether the ammonia solution starts to be unloaded. If so, the point in time at which unloading is initiated is recorded and the parameters of the aqueous ammonia solution obtained are recorded. When the received real-time monitoring flow is larger than the preset flow threshold value of 6m3And at the time of/h, judging that the ammonia water solution starts to unload, and sending the time point of starting to unload to a storage for recording and archiving. And when the received flow monitored in real time is continuously lower than 0.6 time of the preset flow threshold value, judging that the ammonia water solution is unloaded, recording and archiving the unloading time point, and simultaneously calculating the total flow of the whole unloading process and sending the total flow to a memory for recording and archiving. If the monitored flow rate is higher than the flow rate threshold value within 3 minutes, additional storage of the total flow rate data is continued.
And S13, when the ammonia water solution is unloaded, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending out early warning information.
Performing analysis operation according to the obtained temperature and density to obtain a concentration value of the ammonia water solution, comparing the concentration value with a preset data value, judging whether the concentration value is normal or not, and displaying, recording and storing the data if the concentration value is normal; otherwise, sending out early warning information to prompt the staff to process.
In this embodiment, the concentration value of the ammonia water solution is calculated according to a 20 ℃ ammonia water concentration density comparison table, the concentrations of the ammonia water solutions at different temperatures are calculated, and a reliable relationship among the temperature, the density and the concentration of the ammonia water solution is finally obtained by repeated tests according to a large amount of experimental data. Wherein the relationship between the temperature and the density of the ammonia water solution is as follows:
ρ1＝ρ2+(20-t)×0.0054；
where ρ 1 represents the density at a temperature of t ℃, t represents the actual temperature of the aqueous ammonia solution, and ρ 2 represents the density at 20 ℃ as obtained by a lookup table.
That is, the densities detected at different temperatures are converted into the corresponding densities at 20 ℃ by using the formula, and then the corresponding concentrations can be obtained by searching the '20 ℃ ammonia water concentration density temperature comparison table'. Part of the contents of the comparison table are shown in table 1:
TABLE 1
In this embodiment, judge through the size of flow and whether unload ammonia to only the concentration of the aqueous ammonia solution that detects at unloading ammonia moment is only effective, and the purpose of doing so is to avoid the concentration of the aqueous ammonia solution that detects to be remaining aqueous ammonia in the pipeline, thereby improves the quality and the rate of accuracy that aqueous ammonia solution concentration detected.
And S14, when the ammonia water solution is unloaded and a sampling signal is obtained, sampling the ammonia water solution according to a preset sampling frequency and an interval period, and storing the ammonia water solution in a liquid storage bottle.
In this embodiment, can realize the function that the limit automated inspection was stayed the appearance simultaneously to, stay the appearance and can be convenient for carry out artifical comparison.
When a control signal for sampling is received, sampling is started according to a preset sampling frequency and an interval period, and each sampling is stored in a liquid storage bottle; when the sampling amount reaches the set amount, and the control signal for stopping sampling is received, the operation of stopping sampling is executed.
Wherein, be in the temperature, density and the flow that obtain aqueous ammonia solution in real time to before carrying out data filtering to the temperature, density and the flow that obtain and then saving, still include:
and setting parameters according to the preset time required for unloading the ammonia water solution, the rated flow and the required sample quantity.
According to the scheme, the temperature, the density and the flow of the ammonia water solution are obtained in real time, and the obtained temperature, density and flow are subjected to data filtering and then stored; judging whether the ammonia water solution is unloaded or not according to the flow, obtaining the moment when the ammonia water solution starts to be unloaded and the moment when the ammonia water solution finishes to be unloaded, and calculating and storing the total flow of the ammonia water solution in the unloading process based on the moment when the ammonia water solution starts to be unloaded, the moment when the ammonia water solution finishes to be unloaded and the flow; when the ammonia water solution is unloaded, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending early warning information; when the ammonia water solution is unloaded and a sampling signal is obtained, sampling the ammonia water solution according to a preset sampling frequency and an interval period, and storing the ammonia water solution in a liquid storage bottle; can realize that aqueous ammonia solution concentration real-time on-line monitoring and data storage and interconnection upload, effectively improve the ageing of detection to can reduce staff's working strength, avoid the operation error that the human factor brought, avoid the injury that artifical sampling process received, avoid adding other alkaline material in the aqueous ammonia solution and come the phase transition and improve the concentration, reduce nonconforming product and sneak into the production field.
In the above scheme, the data filtering specifically includes: the data of accidental abnormal jitter are removed, effective data are reserved, the interference of accidental abnormal data can be reduced, and the accuracy of data operation is improved.
Above scheme, the temperature, density and the flow that obtain aqueous ammonia solution in real time to carry out data filtering to the temperature, density and the flow that obtain and before the storage, still include: the parameters are set according to the preset time for unloading the ammonia water solution, the rated flow and the required sample quantity, and the parameters can be set according to the actual working conditions or the process change on site, so that the intellectualization and the humanization are improved.
Example two
Fig. 2 is a schematic flow chart of a method for monitoring parameters of an ammonia solution in real time according to another embodiment of the present invention.
In this embodiment, the method includes:
and S21, setting parameters according to the preset time required for unloading the ammonia water solution, the rated flow and the required sample quantity.
In this embodiment, the parameter setting and storage are performed according to the actual time for unloading the ammonia solution on site, the normal unloading and fixed flow range, and the number of the ammonia solution comprehensive samples required by the laboratory manual review.
For example, according to the ammonia water unloading time and the accuracy which may be affected by each few minutes before and after the removal, the total unloading time of the ammonia water solution is 90 minutes, the total sampling amount is 1000ml and the sampling amount of the injection pump is 2 ml/time (500 times of uniform sampling is required), and the interval duration (period) is 10.8 s/time, which is obtained by referring to the capacity of an ammonia water truck at a working site, the rated flow rate of an ammonia water pump and the like.
And S22, acquiring the temperature, density and flow of the ammonia water solution in real time, and storing the acquired temperature, density and flow after data filtering.
As described above in S11, and will not be described herein.
And S23, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending out early warning information.
As described above in S12, and will not be described herein.
And S24, obtaining the unloading starting time and the unloading finishing time of the ammonia water solution based on the flow, and calculating and storing the total flow of the ammonia water solution in the unloading process based on the unloading starting time, the unloading finishing time and the flow.
As described above in S13, and will not be described herein.
And S25, when the ammonia water solution is unloaded and a sampling signal is obtained, sampling the ammonia water solution according to a preset sampling frequency and an interval period, and storing the ammonia water solution in a liquid storage bottle.
As described above in S14, and will not be described herein.
It can be found that in the embodiment, the parameters are set according to the preset time, the rated flow and the required sample quantity for unloading the ammonia water solution, and the parameters can be set according to the actual working conditions or the process change on site, so that the intellectualization and the humanization are improved.
The invention provides a system for monitoring ammonia water solution parameters in real time, which can realize real-time online monitoring of ammonia water solution concentration, data storage and interconnection uploading, effectively improve detection timeliness, reduce working strength of workers, avoid operation errors caused by human factors, avoid injury in a manual sampling process, avoid phase change caused by adding other alkaline substances into the ammonia water solution to improve the concentration, and reduce the possibility that unqualified products are mixed into the production field.
Fig. 3 is a schematic structural diagram of a system for monitoring parameters of an ammonia solution in real time according to an embodiment of the present invention.
In this embodiment, the system includes:
and the monitoring device is used for acquiring the temperature, the density and the flow of the ammonia water solution in real time.
Wherein, monitoring devices includes electromagnetic flowmeter and tuning fork densimeter, electromagnetic flowmeter is used for acquireing aqueous ammonia solution's flow, the tuning fork densimeter is used for acquireing aqueous ammonia solution's temperature and density.
And the sampling device is used for receiving the sampling control command and sampling the ammonia water solution or executing the sampling stopping control command according to the preset sampling frequency and the interval period.
The sampling device comprises a conversion valve, an injection pump and a liquid storage bottle, wherein the conversion valve and the injection pump receive a sampling control instruction of the processor or a sampling stopping control instruction, and the ammonia water solution sampled every time is stored in the liquid storage bottle when sampling is executed.
And the storage device is used for storing the temperature, the density and the flow of the obtained ammonia water solution and the total flow of the ammonia water solution in the unloading process.
And the processor is connected with the monitoring device, the sampling device and the storage device and is used for receiving input signals for processing and issuing control instructions corresponding to all functions.
The system also comprises a touch screen which is used for setting parameters and receiving the control instruction sent by the processor to display data.
The system also comprises a terminal at least used for receiving the early warning information.
In this embodiment, based on the ammonia solution unloading process, the monitoring device monitors the flow rate of the ammonia unloading process through the electromagnetic flowmeter, monitors the temperature and the density of the ammonia unloading process through the tuning fork densimeter, and transmits the acquired data to the processor through the corresponding control line and the corresponding sensor line. The processor receives the monitoring data of the flow, the temperature and the density transmitted by the electromagnetic flowmeter and the tuning fork densimeter, calls an operation control program stored in the storage device to perform operation processing, and issues control instructions corresponding to all functions.
The monitoring device acquires the temperature, the density and the flow of the ammonia water solution in real time, and stores the acquired temperature, density and flow after data filtration. The processor filters the acquired data, screens out accidental abnormal jumping data beyond a normal range, sums and averages the effective data to obtain an average value in the process of unloading the ammonia water solution once, and stores the average value in the storage device. Performing analysis operation according to the obtained temperature and density to obtain a concentration value of the ammonia water solution, comparing the concentration value with a preset data value, judging whether the concentration value is normal or not, and displaying, recording and storing the data if the concentration value is normal; otherwise, sending out early warning information to prompt the staff to process.
The effective data are summed and averaged to obtain an average value in the process of unloading the ammonia water solution once, so that the accuracy of the ammonia water concentration can be improved, and the problems that the ammonia water concentration is low due to ammonia water residue in a pipeline or the ammonia water concentration changes due to external interference are avoided, so that the data of the first few minutes or the first cube after ammonia unloading are removed, and the data of the whole ammonia unloading process are averaged. Meanwhile, the influence of different flow factors in each time period is considered in the average concentration, and the average is not simply summed and averaged. Prevent the possibility of cheating by high concentration, low flow and high flow.
The flow received by the processor is compared with a preset flow threshold value, and when the flow value is larger than the preset flow threshold value by 6m3And at the time of/h, the processor judges that the ammonia water solution starts to be unloaded, and sends the time point of starting unloading to the storage device for recording and archiving. When the flow received by the processor is continuously lower than 0.6 time of the set flow threshold value, the processor judges that the ammonia water solution is unloaded, the processor sends the unloading time point to the storage device for recording and archiving, and meanwhile, the total flow of the whole unloading process is calculated and sent to the storage device for recording and archiving. If the flow rate is higher than the flow rate threshold value again within 3 minutes, the total flow rate data is continuously stored additionally.
In this embodiment, the processor is connected to and communicates with other devices and terminals throughout the system using various interfaces and lines. The processor may be a Central Processing Unit (CPU), but may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), array of off-the-shelf programmable gates (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. The terminal can be a desktop computer, a notebook, a palm computer, a cloud server and other computing equipment. The storage device may include high speed random access memory and may also include non-volatile memory such as a hard disk, a memory, a plug-in hard disk, a Smart Memory Card (SMC), a Secure Digital (SD) card, a flash memory card, at least one magnetic disk storage device, a flash memory device, or other volatile solid state storage device.
The embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the method for monitoring parameters of an ammonia water solution in real time according to the above embodiment.
The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design idea of the present invention belong to the protection scope of the present invention.
Claims (9)
1. A method for monitoring parameters of an ammonia water solution in real time, which is characterized by comprising the following steps:
acquiring the temperature, density and flow of an ammonia water solution in real time, and storing the acquired temperature, density and flow after data filtration;
judging whether the ammonia water solution is unloaded or not according to the flow, obtaining the moment when the ammonia water solution starts to be unloaded and the moment when the ammonia water solution finishes to be unloaded, and calculating and storing the total flow of the ammonia water solution in the unloading process based on the moment when the ammonia water solution starts to be unloaded, the moment when the ammonia water solution finishes to be unloaded and the flow;
when the ammonia water solution is unloaded, calculating the concentration value of the ammonia water solution in real time based on the temperature and the density, judging whether the calculated concentration value is within a preset first threshold range, and if not, sending early warning information;
when the ammonia water solution is unloaded and a sampling signal is obtained, the ammonia water solution is sampled according to a preset sampling frequency and an interval period and is stored in a liquid storage bottle.
2. The method for monitoring the parameters of the ammonia water solution in real time as claimed in claim 1, wherein the data filtering specifically comprises:
and removing the data of accidental abnormal jumping and keeping effective data.
3. The method of claim 1, wherein before the obtaining the temperature, the density and the flow rate of the ammonia solution in real time and storing the obtained temperature, the density and the flow rate after data filtering, the method further comprises:
and setting parameters according to the preset time required for unloading the ammonia water solution, the rated flow and the required sample quantity.
4. The method for monitoring the parameters of the ammonia water solution in real time according to claim 1, wherein the step of judging whether the ammonia water solution is unloaded or not according to the flow rate, obtaining the moment when the ammonia water solution starts to be unloaded and the moment when the ammonia water solution finishes to be unloaded, and calculating and storing the total flow rate of the ammonia water solution in the unloading process based on the moment when the ammonia water solution starts to be unloaded, the moment when the ammonia water solution finishes to be unloaded and the flow rate comprises the following steps:
judging whether the flow is larger than a preset second threshold value or not, if so, judging that the ammonia water solution starts to unload, and storing the unloading starting time point;
judging whether the flow is smaller than a preset third threshold value or not, if so, judging that the unloading of the ammonia water solution is finished, and storing the unloading time point;
and calculating and storing the total flow of the ammonia water solution in the unloading process from the time point of starting unloading to the time point of finishing unloading.
5. A system for monitoring parameters of an aqueous ammonia solution in real time, the system comprising:
the monitoring device is used for acquiring the temperature, the density and the flow of the ammonia water solution in real time;
the sampling device is used for receiving the sampling control instruction and sampling the ammonia water solution or executing the sampling stopping control instruction according to the preset sampling frequency and interval period;
the storage device is used for storing the temperature, the density and the flow of the obtained ammonia water solution and the total flow of the ammonia water solution in the unloading process;
and the processor is connected with the monitoring device, the sampling device and the storage device and is used for receiving input signals for processing and issuing control instructions corresponding to all functions.
6. The system of claim 5, wherein the monitoring device comprises an electromagnetic flowmeter and a tuning fork densitometer, the electromagnetic flowmeter is used for acquiring the flow rate of the ammonia solution, and the tuning fork densitometer is used for acquiring the temperature and the density of the ammonia solution.
7. The system for monitoring the parameters of the ammonia water solution in real time as claimed in claim 5, wherein the sampling device comprises a conversion valve, a syringe pump and a liquid storage bottle, the conversion valve and the syringe pump receive the sampling control command or the stopping sampling control command from the processor, and the ammonia water solution sampled each time is stored in the liquid storage bottle when the sampling is performed.
8. The system for monitoring the parameters of the ammonia water solution in real time as claimed in claim 5, further comprising a touch screen for setting parameters and receiving the control command issued by the processor for data display.
9. The system for monitoring the parameters of the ammonia water solution in real time as claimed in claim 5, wherein the system further comprises a terminal at least for receiving the early warning information.
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