CN116841235A - Medicament management system and management method for sewage treatment - Google Patents
Medicament management system and management method for sewage treatment Download PDFInfo
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- 239000003814 drug Substances 0.000 title claims abstract description 153
- 238000007726 management method Methods 0.000 title claims abstract description 87
- 239000010865 sewage Substances 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000005070 sampling Methods 0.000 claims abstract description 55
- 238000003860 storage Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000001502 supplementing effect Effects 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 2
- 239000013043 chemical agent Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 230000006870 function Effects 0.000 description 13
- 239000002994 raw material Substances 0.000 description 4
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- 238000004364 calculation method Methods 0.000 description 2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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Abstract
The invention provides a medicament management system and a medicament management method for sewage treatment, wherein the medicament management system comprises a cloud management system, an internet of things controller, a medicament storage tank, an automatic sampling and sample reserving device, a business owner end and a supplier end; the cloud management system collects real-time liquid level data of the medicament storage tank through the internet of things controller, and when the liquid level line of the medicament storage tank is lower than the set lowest liquid level, the cloud management system sends a medicament preparation instruction to an owner end and a supplier end; in the process of supplementing medicine, the automatic sampling and sample reserving device samples and reserves samples of the medicine injected into the medicine storage tank, and the sampling time point is recorded. The medicament management system can realize full-automatic management of medicament liquid level automatic detection, automatic medicament adding, automatic sampling and sample reserving in the medicament adding process, has low manual participation degree and is an important step for realizing unmanned management.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a reagent management system and method for sewage treatment.
Background
With the development of economy, the continuous growth of population, the gradual increase and expansion of cities, the water consumption of various places is continuously increased. The water resource is one of the resources which are relatively short in China, and under the condition of water resource shortage, the sewage is reused after being treated, so that the utilization rate of the water resource can be greatly improved. In the sewage treatment process, the dosing system is one of the most critical devices. The chemical water treatment system is a chemical water treatment system with a brand new concept and is widely applied to the water treatment fields of electric power, public works, municipal works and the like.
In the prior art, the dosing mode of the dosing system is simpler, the intelligence is poorer, the manual participation degree is higher when in actual use, a large amount of human resources are required to be consumed, the residual quantity of the medicament cannot be automatically detected, and the manual monitoring is required, so that the production cost is further increased. The following technical schemes are disclosed in Chinese patent application with publication number of CN115367821A and invention name of "an intelligent dosing system and dosing method for sewage treatment": the water flow detection module is used for detecting water inflow and water outflow and evaluating the water storage in the current sewage pool based on the water inflow and water outflow; the water quality detection module is used for detecting the water quality in the current sewage pool and judging the sewage state based on the current detection result; the dispensing module is used for receiving the sewage state result judged by the water quality detection module, storing a dispensing table, matching the sewage type result with the dispensing table, and configuring a sewage treatment medicament according to the matching result of the dispensing table; the dosing module is used for applying configured sewage treatment agents to the sewage tank and determining dosing amount based on the water storage in the current sewage tank; the raw material stock detection module is used for predicting the stock of the raw materials of the sewage treatment medicament and generating purchasing list data based on the predicted stock result; and the purchasing module is used for receiving the purchasing list data generated by the raw material stock detection module, screening out the information of the nearby shops according to the purchasing list data and carrying out raw material purchasing. The degree of automation is still low, and each module is not controlled to form a complete automatic control system.
Disclosure of Invention
The invention aims to provide a medicament management system and a medicament management method for sewage treatment, which can solve the problems of high manual participation degree and heavy production cost of the medicament management system in the prior art.
The invention aims at realizing the following technical scheme:
in a first aspect, the present invention provides a method of agent management for sewage treatment, comprising the steps of:
the radar liquid level meter monitors the liquid level of the medicament in the medicament storage tank in real time, and sends the monitored real-time liquid level data to the cloud management system through the Internet of things controller;
the cloud management system compares the received real-time liquid level data with a set minimum liquid level, and when the real-time liquid level data is lower than the minimum liquid level, the cloud management system sends a medicine preparation instruction to an owner end and a supplier end;
the cloud management system closes the dosing pump through the internet of things controller, and opens the dosing valve to dose;
the cloud management system gives a medicine taking instruction to a sampling valve in the automatic sampling and sample reserving device through the internet of things controller, starts sampling and sample reserving, measures the weight and the volume of a sample, and records the sampling time point; the sampling time point, the weight and the volume data of the sample are sent to a cloud management system through an Internet of things controller;
the cloud management system calculates the concentration of the sample according to the weight and volume data of the sample, and checks whether the medicament supplied by the supplier meets the concentration requirement;
when the medicine in the medicine storage tank reaches the set highest liquid level, the cloud management system closes the medicine supplementing valve through the Internet of things controller.
Further, after receiving the medicine preparation instruction, the supplier side sends a medicine application and adding instruction to the owner side, and after the owner side passes the examination, sends a medicine adding agreement instruction to the supplier side.
In a second aspect, the invention provides a medicament management system for sewage treatment, which is applied to the medicament management method and comprises a cloud management system, an internet of things controller, a medicament storage tank, an automatic sampling and sample reserving device, a business owner end and a supplier end; the cloud management system collects real-time liquid level data of the medicament storage tank through the internet of things controller, and when the liquid level line of the medicament storage tank is lower than the set lowest liquid level, the cloud management system sends a medicament preparation instruction to an owner end and a supplier end; in the process of supplementing medicine, the automatic sampling and sample reserving device samples and reserves samples of the medicine injected into the medicine storage tank, measures the weight and the volume of the obtained sample, and sends the weight and the volume data of the sample and the sampling time point to the cloud management system through the internet of things controller; the cloud management system calculates the sample concentration according to the weight and the volume of the sample.
Further, the medicine storage tank is provided with a medicine inlet and a medicine outlet, the medicine inlet is communicated with a medicine inlet pipeline, and the medicine outlet is communicated with a medicine outlet pipeline; the chemical filling pipeline is provided with a chemical filling valve, and a section of chemical filling pipeline positioned between the chemical filling valve and the chemical filling port is communicated with a sampling pipeline which is communicated with the automatic sampling sample reserving device; the automatic sampling sample reservation device is connected with the controller of the Internet of things through a sampling valve.
Further, a radar liquid level gauge is arranged in the medicine storage tank and used for measuring the medicine liquid level of the medicine storage tank in real time and sending liquid level data to the internet of things controller.
Further, the medicament management system also comprises a frequency converter, a medicament adding pump and an electromagnetic flowmeter; the dosing pump and the electromagnetic flowmeter are sequentially arranged on the drug outlet pipeline; the dosing pump is connected with the Internet of things controller through a frequency converter.
Further, the controller of the internet of things comprises a microcontroller unit, and a 4G network module, a 485 communication module, an analog input/output module and a digital input/output module which are respectively connected with the microcontroller unit; the 4G network module is in communication connection with the cloud control system; the 485 communication module is connected with the radar liquid level gauge; the analog input/output module is connected with the automatic sampling and sample reserving device; the digital input/output module is connected with the dosing pump through a frequency converter.
Further, the automatic sampling and sample reserving device comprises a medicine taking pump, a sample storing bottle and a controller, wherein the medicine taking pump is connected with a medicine taking instruction sent by the cloud management system and then automatically samples, stores samples and records sample storing time; the sample storage bottle is used for storing samples; the controller is used for data transmission and control.
According to the medicament management system and the medicament management method for sewage treatment, the radar sensor is used for detecting the medicament liquid level, and the medicament adding requirement is automatically started according to the liquid level line. In the process of dosing, the liquid level of the medicament is identified to rise, the medicament is automatically started, and the medicament taking time point is recorded. The medicament management system can realize full-automatic management of medicament liquid level automatic detection, automatic medicament adding, automatic sampling and sample reserving in the medicament adding process, has low manual participation degree and is an important step for realizing unmanned management.
Drawings
FIG. 1 is a schematic diagram showing the constitution of a chemical management system for sewage treatment according to the present invention;
FIG. 2 is a block diagram of an Internet of things controller according to the present invention;
fig. 3 is a software function structure diagram of the internet of things controller of the present invention.
Detailed Description
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following disclosure, which describes embodiments of the present disclosure by way of specific examples. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
The invention provides a medicament management method for sewage treatment, which comprises the following steps:
step S1, a radar level gauge monitors the liquid level of the medicament in the medicament storage tank in real time, and sends monitored real-time liquid level data to a cloud management system through an Internet of things controller.
The radar liquid level meter reads the liquid level of the medicine storage tank in real time and transmits the liquid level to the internet of things controller in real time through an RS485 communication module in the internet of things controller.
And S2, the cloud management system compares the received real-time liquid level data with the set minimum liquid level, and when the real-time liquid level data is lower than the minimum liquid level, the cloud management system sends a medicine preparation instruction to the owner side and the supplier side.
Further, after receiving the medicine preparation instruction, the supplier side sends a medicine application and adding instruction to the owner side, and after the owner side passes the examination, sends a medicine adding agreement instruction to the supplier side.
And S3, closing a dosing pump by the cloud management system through the Internet of things controller, and opening a dosing valve to carry out dosing.
And S4, the cloud management system sends a medicine taking instruction to a sampling valve in the automatic sampling and sample reserving device through the Internet of things controller, starts sampling and sample reserving, measures the weight and the volume of a sample, and records the sampling time point. And sending the sampling time point, the weight and the volume data of the sample to a cloud management system through an Internet of things controller.
The weight and volume data of the sample are sent to the internet of things controller through an analog input/output module of the internet of things controller.
And S5, calculating the concentration of the sample by the cloud management system according to the weight and volume data of the sample, and checking whether the medicament supplied by the supplier meets the concentration requirement.
The concentration of the sample is equal to the concentration of the supplementary medicament, the concentration is calculated by weight and volume, and the specific calculation formula is as follows: concentration = weight/volume.
And S6, when the medicament in the medicament storage tank reaches the set highest liquid level, the cloud management system closes the medicament supplementing valve through the Internet of things controller.
The radar level gauge can read the liquid level of the medicine storage tank in real time, and transmit the liquid level to the controller of the Internet of things through the RS485 communication module, grasp the liquid level of the medicine storage tank in real time, and connect with the medicine supplementing valve in parallel to start the lowest liquid level, and stop the high liquid level.
A medicament management system for sewage treatment comprises a cloud management system, an internet of things controller, a medicament storage tank, an automatic sampling and sample reserving device, an owner end and a supplier end; the cloud management system collects real-time liquid level data of the medicament storage tank through the internet of things controller, and when the liquid level line of the medicament storage tank is lower than the set lowest liquid level, the cloud management system sends a medicament preparation instruction to an owner end and a supplier end; in the process of supplementing medicine, the automatic sampling and sample reserving device samples and reserves samples of the medicine injected into the medicine storage tank, measures the weight and the volume of the obtained sample, and sends the weight and the volume data of the sample and the sampling time point to the cloud management system through the internet of things controller; the cloud management system calculates the sample concentration according to the weight and the volume of the sample.
The owner side can view and control various data of the cloud management system in real time through the APP.
Further, the medicine storage tank is provided with a medicine inlet and a medicine outlet, the medicine inlet is communicated with a medicine inlet pipeline, and the medicine outlet is communicated with a medicine outlet pipeline. The chemical filling pipeline is provided with a chemical filling valve, and a section of chemical filling pipeline positioned between the chemical filling valve and the chemical filling port is communicated with a sampling pipeline which is communicated with the automatic sampling sample reserving device. The automatic sampling sample reservation device is connected with the controller of the Internet of things through a sampling valve.
Further, a radar liquid level gauge is arranged in the medicine storage tank and used for measuring the medicine liquid level of the medicine storage tank in real time and sending liquid level data to the internet of things controller.
According to the medicament management system for sewage treatment, disclosed by the invention, the medicament liquid level of the medicament storage tank is monitored in real time by utilizing the radar liquid level meter, and liquid level data is automatically sent to the Internet of things controller without manual monitoring. And the cloud management system judges whether the liquid level is lower than the lowest liquid level according to the liquid level data fed back by the Internet of things controller, and if the liquid level is lower than the lowest liquid level, informs the owners and the suppliers of supplementing the medicament. The automation level is improved, and the manual investment is reduced. In the prior art, the liquid level is detected by adopting a liquid level meter, and other functions are not provided. The invention adopts the radar liquid level meter, has the function of the internet of things, adopts cloud computing as a carrier, and has stronger and richer functions than the traditional mode. The liquid level display, accurate measurement, concentration measurement and calculation and automatic sample reserving function are provided for the medicine; the automatic metering and checking function has the functions of supplier management, delivery reminding and approval.
Further, the medicament management system for sewage treatment also comprises a frequency converter, a medicament adding pump and an electromagnetic flowmeter. The dosing pump and the electromagnetic flowmeter are sequentially arranged on the drug outlet pipeline. The dosing pump is connected with the Internet of things controller through a frequency converter.
The frequency converter can control the dosing pump to realize accurate dosing adjustment. The frequency converter converts a power frequency power supply (50 Hz) into an alternating current power supply with various frequencies, reduces starting current, provides more reliable variable voltage and frequency for the dosing pump, can reduce impact on the dosing pump when the motor is directly started, reduces peak Gu Chazhi, reduces abrasion of mechanical transmission parts, effectively reduces reactive power loss, and increases active power of a power grid. In addition, the start-stop and acceleration-deceleration functions of the motor are controllable, and the motor can be rapidly changed according to the process, so that smooth acceleration and deceleration can be performed as required, speed change can be realized through an Internet of things controller, the dosing speed is controlled, and the system stability is improved. In addition, the frequency converter is highly intelligent, has complete control functions, has multiple protection mechanisms, can protect the safety of the frequency converter, also greatly protects the safe operation of front and rear equipment, can be well matched with other control equipment and instruments, and realizes centralized real-time monitoring and control of systematic networking and integrated development.
Further, as shown in fig. 2, the controller of the internet of things comprises a microcontroller unit, and a 4G network module, a 485 communication module, an analog input/output module and a digital input/output module which are respectively connected with the microcontroller unit. The communication mode of the microcontroller unit, the 4G network module and the 485 communication module is a USART asynchronous serial port. The communication mode between the micro-controller unit and the analog input/output module is SPI (Serial PeripheralInterface) protocol and DAC digital-to-analog converter. The microcontroller unit is directly connected with the digital quantity input/output module through the GPIO port.
The function of the internet of things controller is to collect various data of the system and control other devices of the system. The internet of things controller is more hardware combining data transmission and partial automatic control, most of the time is only the control and transmission function, and the decision is realized by the algorithm of the cloud management system. The combined equipment of the PLC and the Internet of things DTU can be understood, and the combined equipment has the effects of a control center and a data interaction center of a site, and can be used for completing the site control and the specific execution of logic instructions of cloud control.
The 4G network module adopts a remote company EC200x module, is compatible with a 4G/3G/2G cellular network, adopts a USART mode to communicate with the microcontroller unit, and the communication interface is TTL level. The data received from the network is transmitted to the micro-controller unit through RXD, and the data of the micro-controller unit is transmitted to the 4G network module through TXD of USART to complete two-way communication.
And MAX13487EESA+ selected for an asynchronous serial port USART mode is also adopted between the microcontroller unit and the 485 communication module, and photoelectric coupling isolation is adopted.
The analog input/output module is connected with the automatic sampling sample reservation device, the analog input adopts high-precision resistance sampling, U=I×R, voltage is converted, and the converted voltage is sent to an ADC port of the microcontroller unit for reading. The analog quantity output adopts an XTR111 scheme, the voltage signal output by a DAC of the microcontroller unit is converted into a 4-20mA signal of an industrial standard, the DAC outputs the voltage data in the range of 0-3V, and the converted voltage data is sent to the cloud management system through a 4G network module of the Internet of things controller.
The digital input/output module is connected with the dosing pump through a frequency converter, the digital input of the digital input/output module adopts a TLP2924 bidirectional optocoupler, and the input direction can be positive and negative without distinguishing. The digital output adopts a photoelectric solid state transistor MQW214HL, the maximum output current can reach 100mA, the capacity of outputting the coil with the relay can be improved, the complete isolation with a micro controller unit can be realized, and the safety is improved.
The software part of the Internet of things controller mainly takes a domestic open-source RT-Thread real-time operating system as a core, aims at different modules of hardware to form RS485 drive, an Arian component, a 4G network drive, digital quantity drive and analog quantity drive in a layered manner, and respectively establishes corresponding multithreading tasks to perform parallel work, so that the functions of the system are not affected mutually. As shown in fig. 3.
The RT-Thread real-time operating system adopts V4.0.2 version, and mainly realizes multithreading scheduling and inter-Thread communication.
485 software drive has realized industry standard modbusRTU agreement, can conveniently connect various instruments and meters.
The version of the Alicloud component is v4.0.0, the MQTT communication protocol is integrated, and the data adopts an AlinkJson protocol. The system is provided with a heartbeat communication packet mechanism.
The 4G network driver mainly realizes network bearing of a tcp/ip protocol stack, provides services for an Arian module, realizes basic services such as dialing operation of base station connection, and can perform self-recovery when the network is abnormal.
The digital quantity drive comprises digital quantity input/output, wherein the input is responsible for signal acquisition of various devices, is managed by a separate thread, is organized in a linked list form, and traverses and reads one by one. The output is also bound by a linked list, and is completely isolated from the application layer, so that the logic service is not affected by the interface.
The analog quantity is driven, the analog quantity of the industrial standard is mainly divided into 2 types, namely a 0-10v voltage signal and a 4-20mA current signal, the software part of the system realizes 4-20mA resistance sampling, and the software reads the voltage value of a corresponding sensor (such as a PH meter, a flowmeter and the like) and converts the voltage value into actual data of the sensor.
Further, the automatic sampling and sample reserving device comprises a medicine taking pump, a sample storing bottle and a controller, wherein the medicine taking pump is connected with a medicine taking instruction sent by the cloud management system and then automatically samples, stores samples and records sample storing time; the sample storage bottle is used for storing samples; the controller is used for data transmission and control. When the cloud management system detects that the medicine storage tank is supplementing medicine, a medicine taking instruction is sent to the internet of things controller, the internet of things controller gives the medicine taking instruction to the controller of the automatic sampling sample reserving device, sampling work is started, and the controller controls the sampling pump to take a small amount (less than 50ml of medicine) from a conveying pipe for conveying the medicine into the medicine storage tank and store the small amount into a sample storage bottle so as to be used for detection and verification when the medicine quality is in objection later. And after the completion, sending a completion instruction to the Internet of things controller, reporting the completion instruction to the cloud management system for recording and leaving aside, and completing one-time sampling. The automatic sampling and sample reserving device has the functions of sampling and sample reserving of various medicaments.
In the description of the present invention, it should be understood that the terms "middle," "length," "upper," "lower," "front," "rear," "vertical," "horizontal," "inner," "outer," "radial," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "on" a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. The meaning of "a plurality of" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is for the purpose of illustrating the embodiments of the present invention and is not to be construed as limiting the invention, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. A method for managing a chemical agent for sewage treatment, comprising the steps of:
the radar liquid level meter monitors the liquid level of the medicament in the medicament storage tank in real time, and sends the monitored real-time liquid level data to the cloud management system through the Internet of things controller;
the cloud management system compares the received real-time liquid level data with a set minimum liquid level, and when the real-time liquid level data is lower than the minimum liquid level, the cloud management system sends a medicine preparation instruction to an owner end and a supplier end;
the cloud management system closes the dosing pump through the internet of things controller, and opens the dosing valve to dose;
the cloud management system gives a medicine taking instruction to a sampling valve in the automatic sampling and sample reserving device through the internet of things controller, starts sampling and sample reserving, measures the weight and the volume of a sample, and records the sampling time point; the sampling time point, the weight and the volume data of the sample are sent to a cloud management system through an Internet of things controller;
the cloud management system calculates the concentration of the sample according to the weight and volume data of the sample, and checks whether the medicament supplied by the supplier meets the concentration requirement;
when the medicine in the medicine storage tank reaches the set highest liquid level, the cloud management system closes the medicine supplementing valve through the Internet of things controller.
2. The method according to claim 1, wherein the supplier side sends a dosing instruction to the owner side after receiving the dosing instruction, and sends a dosing approval instruction to the supplier side after the owner side passes the verification.
3. The medicament management system for sewage treatment is characterized by being applied to the medicament management method of claim 1 or 2, and comprises a cloud management system, an internet of things controller, a medicament storage tank, an automatic sampling and sample reserving device, a business owner end and a supplier end; the cloud management system collects real-time liquid level data of the medicament storage tank through the internet of things controller, and when the liquid level line of the medicament storage tank is lower than the set lowest liquid level, the cloud management system sends a medicament preparation instruction to an owner end and a supplier end; in the process of supplementing medicine, the automatic sampling and sample reserving device samples and reserves samples of the medicine injected into the medicine storage tank, measures the weight and the volume of the obtained sample, and sends the weight and the volume data of the sample and the sampling time point to the cloud management system through the internet of things controller; the cloud management system calculates the sample concentration according to the weight and the volume of the sample.
4. A medicament management system for sewage treatment according to claim 3, wherein the medicament storage tank is provided with a medicament inlet and a medicament outlet, the medicament inlet is communicated with a medicament inlet pipeline, and the medicament outlet is communicated with a medicament outlet pipeline; the chemical filling pipeline is provided with a chemical filling valve, and a section of chemical filling pipeline positioned between the chemical filling valve and the chemical filling port is communicated with a sampling pipeline which is communicated with the automatic sampling sample reserving device; the automatic sampling sample reservation device is connected with the controller of the Internet of things through a sampling valve.
5. The reagent management system for sewage treatment according to claim 3 or 4, wherein a radar level gauge is provided in the tank for measuring the reagent level of the tank in real time and transmitting the level data to the internet of things controller.
6. The agent management system for sewage treatment according to claim 4, further comprising a frequency converter, an agent pump, and an electromagnetic flowmeter; the dosing pump and the electromagnetic flowmeter are sequentially arranged on the drug outlet pipeline; the dosing pump is connected with the Internet of things controller through a frequency converter.
7. The agent management system for sewage treatment according to claim 5, wherein the internet of things controller comprises a micro controller unit, and a 4G network module, a 485 communication module, an analog input/output module and a digital input/output module which are respectively connected with the micro controller unit; the 4G network module is in communication connection with the cloud control system; the 485 communication module is connected with the radar liquid level gauge; the analog input/output module is connected with the automatic sampling and sample reserving device; the digital input/output module is connected with the dosing pump through a frequency converter.
8. A reagent management system for sewage treatment according to claim 3, wherein the automatic sampling and sample retaining device comprises a medicine taking pump, a sample storing bottle and a controller, wherein the medicine taking pump automatically samples, stores samples and records sample storing time after receiving a medicine taking instruction sent by the cloud management system; the sample storage bottle is used for storing samples; the controller is used for data transmission and control.
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| CN202310808019.8A CN116841235A (en) | 2023-07-03 | 2023-07-03 | Medicament management system and management method for sewage treatment |
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