CN115594258A - Water treatment descaling system and method based on electrochemistry and Internet of things - Google Patents
Water treatment descaling system and method based on electrochemistry and Internet of things Download PDFInfo
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- CN115594258A CN115594258A CN202211086259.3A CN202211086259A CN115594258A CN 115594258 A CN115594258 A CN 115594258A CN 202211086259 A CN202211086259 A CN 202211086259A CN 115594258 A CN115594258 A CN 115594258A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1813—Specific cations in water, e.g. heavy metals
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- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The application provides a water treatment descaling system and method based on electrochemistry and Internet of things.A cooling water circulation system comprises a circulation water tank filled with water, a cooler and a plurality of first water conveying pipes; the circulating water tank is respectively communicated with a water inlet and a water outlet of the cooler through two first water pipelines; the electrochemical water treatment tank is provided with an electrochemical descaling component and is communicated with the circulating water tank through a first water pipeline; the automatic water quality monitoring system comprises a water sample collection pretreatment module for sampling, filtering and settling sand and a data detection module for detecting the filtered and settled water sample; and when the detection result does not meet the water quality standard-reaching requirement, supplementing new water into the circulating water tank through the water supplementing system until the detection result meets the water quality standard-reaching requirement. This application can not cause the pollution to quality of water when effective scale removal for water after the scale removal can cyclic utilization, and realizes the real-time supervision of quality of water ion content in the circulating water tank and accurate control the water yield of adding in the circulating water tank.
Description
Technical Field
The application relates to a water treatment technology, in particular to a water treatment descaling system and method based on electrochemistry and the Internet of things.
Background
The water cooling circulation system is an important link of thermal power generation, and the efficient and stable water cooling system is the premise of stable operation of a unit. In the operation process of the water cooling circulation system, in the process of heat exchange between cooling water and equipment to be cooled, the cooling water is continuously evaporated in the temperature rising process, the amount of the cooling water is less and less, so that the content of various mineral substances (such as mud residue, dust, sand particles and the like) and the concentration of various ions (such as calcium ions, magnesium ions, phosphorus, nitrogen and the like) in the cooling water are higher and higher, the calcium ions, the magnesium ions and the like are easy to scale into hard scales such as calcium carbonate, calcium phosphate, calcium sulfate, magnesium hydroxide, magnesium silicate and the like, the phosphorus is a nutrient for algae growth, the propagation of the algae can be accelerated in summer, the COD value exceeds the standard, so that the circulating water system cannot discharge the concentration content in the standard, and the conditions such as scaling, bacterial algae breeding, corrosion and the like are generated in the equipment and the water conveying pipelines.
The existing cooling water circulation system usually detects the salt content in the circulating cooling water after heat exchange through manual detection, and if the salt content is higher than a preset threshold value, concentrated water is discharged and fresh water is supplemented into the cooling water circulation system, so that the salt content in the cooling water circulation system is maintained at a certain concentration, but the manual detection cannot detect the salt content in time and cannot accurately control the water consumption. When the cooling water runs, a specially-assigned person is required to detect the water quality condition, the detection is carried out 3-5 times per day, the sampling time is 2-3 hours until the detection result is obtained, the cooling water running system cannot be processed and operated in time, the water resource is wasted due to large amount of new water supplement, and the running risk of the system is caused due to less new water supplement.
In addition, the chemical agent water treatment mode is still widely used by various factories due to the characteristics of quick descaling and the like, and the descaling only can delay corrosion and scale formation by adopting the chemical agent for descaling and cannot improve the water quality (for example, the total hardness of the circulating water is detected to be 800mg/L, and after the corrosion and scale inhibitor is added, the hardness is still 800mg/L without any change), and the chemical agent can pollute the water body, so that the data of COD, turbidity, total phosphorus and the like in the circulating water are increased, the breeding of microorganisms is accelerated, the pollution of the water body is accelerated, and due to the addition of a large amount of chemical agent, the water after cooling circulation can cause secondary pollution if being directly discharged, otherwise, the water can be safely discharged after being treated by a sewage treatment system, and the treatment cost of the water quality is increased.
Disclosure of Invention
The application provides a water treatment scale removal system and method based on electrochemistry and thing networking for solve the salt content in the current manual detection quality of water and have the detection untimely, unable accurate control water consumption and chemical descaling only can delay the corruption, delay the scale deposit, can not improve quality of water, still can pollute the water, lead to the COD in the circulating water, data rising such as turbidity, total phosphorus, microorganism breeding accelerates, and then the pollution of water has been accelerated, and because of having the interpolation of a large amount of chemical, cause water after the cooling cycle can cause secondary pollution if direct emission, must otherwise handle the rear through sewage treatment system and can discharge safely, the problem of the treatment cost of quality of water has been increased.
In order to solve the technical problems, the application adopts the following technical scheme:
in a first aspect, the application provides a water treatment descaling system based on electrochemistry and the Internet of things, which comprises a cooling water circulation system, an electrochemical water treatment tank, a water quality online monitoring system, a water replenishing system and a field control device, wherein the cooling water circulation system, the electrochemical water treatment tank, the water quality online monitoring system, the water replenishing system and the field control device are connected through the Internet of things;
the cooling water circulation system comprises a circulation water tank, a cooler and a plurality of first water conveying pipes;
the circulating water tank is provided with a first water inlet, a first water outlet, a second water inlet and a second water outlet; the circulating water tank is filled with water, the first water outlet is communicated with the water inlet of the cooler through the first water conveying pipeline, the water outlet of the cooler is communicated with the cooling water inlet of the equipment to be cooled through the first water conveying pipeline, the heat exchange water outlet of the equipment to be cooled is communicated with the first water inlet through the first water conveying pipeline, and each first water conveying pipeline is provided with a first water conveying pump;
the water inlet on the electrochemical water treatment tank is communicated with the second water outlet, and the water outlet on the electrochemical water treatment tank is communicated with the second water inlet through the first water conveying pipeline; the electrochemical water treatment tank is provided with an electrochemical descaling assembly for electrochemically descaling circulating water flowing into the electrochemical water treatment tank from the second water outlet;
the water quality on-line monitoring system comprises a water sample acquisition and pretreatment module and a data detection module;
the water sample collection and pretreatment module is used for collecting a water sample in the circulating water tank, filtering and settling the collected water sample, and conveying the filtered and settled water sample to the data detection module;
the data detection module is used for receiving the filtered and settled water sample and detecting the ion content of the water quality in the water sample to obtain a detection result;
and the water replenishing system is used for replenishing new water into the circulating water tank until the detection result meets the water quality standard requirement when the detection result does not meet the water quality standard requirement.
Optionally, the electrochemical descaling assembly comprises an anode plate, a cathode plate, a lead and a direct current power supply;
the anode plate and the cathode plate are both arranged inside the electrochemical water treatment box, the direct current power supply is arranged outside the electrochemical water treatment box, the anode plate is electrically connected with the anode of the direct current power supply through the lead, and the cathode plate is electrically connected with the cathode of the direct current power supply through the lead.
Optionally, a dirt collecting outer net with negative charges is arranged on the negative plate;
the scale collecting outer net is used for adsorbing metal ions in the circulating water entering the electrochemical water treatment box from the second water outlet onto a cathode plate.
Optionally, a replacement door is hermetically arranged on one side wall of the electrochemical water treatment tank, and an observation window is arranged on the replacement door.
Optionally, the water sample collection and pretreatment module comprises a buoy, a second water pipeline, a water storage tank and a third water pipeline;
a water inlet on the float bowl is immersed below the water level in the circulating water tank, a water outlet on the float bowl is communicated with one end of the second water delivery pipe, which is far away from the float bowl, is communicated with a water inlet on the water storage tank, and a water outlet of the water storage tank is communicated with the data detection module through the third water delivery pipe;
and a second water delivery pump is arranged on the second water delivery pipeline, and a third water delivery pump is arranged on the third water delivery pipeline.
Optionally, a first filter screen is arranged on the water inlet of the float;
the improved sand washing device is characterized in that a second filter screen is arranged in the water storage tank, a sewage discharge pipeline is arranged at the bottom of the water storage tank, one end, away from the water storage tank, of the sewage discharge pipeline is communicated with a sand settling collecting tank, and a sand washing gate is arranged on the sewage discharge pipeline.
Optionally, the data detection module includes a measurement tank, a fourth water pipeline, and a water quality ion detection device;
a water inlet of the measuring tank is communicated with a water outlet of the water storage tank through the third water pipeline, a water outlet of the measuring tank is communicated with a sample inlet of the water quality ion detection device through the fourth water pipeline, and a fourth water delivery pump is arranged on the fourth water pipeline;
and the water quality ion detection device is used for detecting the water quality ion content in the filtered and desilted water sample to obtain a detection result.
Optionally, a third water inlet is further arranged on the circulating water tank;
the water supplementing system comprises a water supplementing tank, a fifth water conveying pipeline and a fifth water conveying pump;
the water inlet of the water replenishing tank is connected with an external water source, the water outlet of the water replenishing tank is communicated with the third water inlet on the circulating water tank through the fifth water conveying pipeline, and the fifth water conveying pump is arranged on the fifth water conveying pipeline;
and the input end of the fifth water delivery pump is electrically connected with the output end of the water quality ion detection device.
Optionally, the water treatment descaling system based on electrochemistry and internet of things further comprises a cloud platform and a remote control center, wherein the cloud platform stores a preset water quality ion content threshold value;
the cloud platform is used for receiving the detection result sent by the data detection module, comparing the monitoring result with the preset water quality ion content threshold value to obtain a result that the detection result meets the water quality standard requirement or the detection result does not meet the water quality standard requirement, and transmitting the result that the detection result does not meet the water quality standard requirement to the water replenishing system;
and the remote control center is arranged in an information center machine room and is used for remotely controlling the automatic water quality monitoring system.
In a second aspect, the present application provides a water treatment descaling method based on electrochemistry and internet of things, which is applied to the water treatment descaling system, and the method includes:
the cooler cools water entering the cooler from the circulating water tank, cooling water cooled by the cooler enters the equipment to be cooled and cools the equipment to be cooled through heat exchange, and the water after the heat exchange flows back to the circulating water tank;
the electrochemical water treatment tank receives the water in the circulating water tank, carries out electrochemical descaling on the water, and discharges the water after electrochemical descaling into the circulating water tank;
the water sample collection pretreatment module collects a water sample in the circulating water tank, filters the collected water sample and sediments sand;
the data detection module receives the filtered and settled water sample and detects the ion content of the water quality in the water sample to obtain a detection result;
and when the detection result does not meet the water quality standard-reaching requirement, the water supplementing system supplements new water into the circulating water tank until the detection result meets the water quality standard-reaching requirement.
1) According to the water treatment descaling system based on electrochemistry and the Internet of things, water in a circulating water tank in a cooling water circulating system is conveyed to a cooler, the water entering the cooler is cooled through the cooler, the cooled water is input into equipment to be cooled and is subjected to heat exchange with the equipment to be cooled, and the water after heat exchange returns to the circulating water tank to realize the recycling of the water; in the process of recycling the water in the circulating water tank, the electrochemical descaling assembly arranged on the electrochemical water treatment tank is adopted to carry out electrochemical descaling on the water after heat exchange, the electrochemical descaling has a descaling effect, and meanwhile, the water quality is not polluted, so that the water after descaling can be recycled; in addition, a water sample in the circulating water tank is collected through a water sample collecting and preprocessing module in the automatic water quality monitoring system, the water sample is filtered and subjected to sand deposition treatment, the water quality ion content in the filtered and sand deposited water sample is detected through a data monitoring module, when the detection result does not meet the water quality standard requirement, new water is supplemented into the circulating water tank through a water supplementing system until the detection result meets the water quality standard requirement, the phenomena of long period and low accuracy rate of personnel detection are avoided, the real-time monitoring of the water quality ion content in the circulating water tank is realized, whether the new water needs to be supplemented into the circulating water tank is determined according to the fact that the detection result meets the water quality standard requirement, the amount of water added into the circulating water tank is reasonably controlled, and the accuracy of the detection result is high.
2) According to the water treatment descaling method based on electrochemistry and the Internet of things, water entering the water treatment descaling method from a circulating water tank is cooled through a cooler, cooling water cooled by the cooler enters equipment to be cooled and cools the equipment to be cooled through heat exchange, and the water after the heat exchange flows back to the circulating water tank; carrying out electrochemical descaling on water in the circulating water tank, and discharging the water subjected to electrochemical descaling into the circulating water tank; collecting a water sample in a circulating water tank, filtering the collected water sample and settling sand; detecting the ion content of water quality in the water sample after the water sample is filtered and subjected to sand precipitation to obtain a detection result; when the detection result does not meet the water quality standard requirement, new water is supplemented into the circulating water tank until the detection result meets the water quality standard requirement, real-time automatic monitoring of the water quality ion content in the circulating water tank is achieved, and when the detection result only needs to be detected and does not meet the water quality standard requirement, new water is supplemented into the circulating water tank, the amount of water added into the circulating water tank can be effectively controlled, the water consumption is effectively controlled, the electrochemical descaling can not pollute the water quality when the descaling effect is achieved, and the water after descaling can be recycled.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an overall flow chart of an electrochemical and internet of things based water treatment descaling system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a water treatment descaling system based on electrochemistry and internet of things according to another embodiment of the present application;
FIG. 3 is a schematic view of the internal structure of a circulation tank according to another embodiment of the present application;
fig. 4 is a block diagram of a water treatment descaling method based on electrochemistry and internet of things according to another embodiment of the present application.
In the figure: 100. a cooling water circulation system; 101. a circulating water tank; 102. a cooler; 103. equipment to be cooled; 104. a first water delivery pipeline; 1041. a first water delivery pump; 200. an electrochemical water treatment tank; 201. an anode plate; 202. a cathode plate; 2021. an outer dirt collecting net; 203. an external power supply; 204. a wire; 205. replacing the door; 206. an observation window; 300. a water quality automatic monitoring system; 301. a water sample collection pretreatment module; 302. a data detection module; 3021. a measuring tank; 3022. a fourth water delivery pipeline; 3023. a water quality ion detection device; 3024. a fourth water delivery pump; 304. a float bowl; 305. a second water delivery pipeline; 3051. a second water delivery pump; 306. a third water delivery pipe; 3061. a third water delivery pump; 307. a water storage tank; 308. settling sand and collecting tank; 309. a blowdown line; 3091. a sand sluice; 400. a water replenishing system; 401. a water replenishing tank; 402. a fifth water conveying pipeline; 403. a fifth water delivery pump; 500. a remote control center; 600. a cloud platform; 800. an on-site control device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, in a first aspect, the application provides an electrochemical and internet of things based water treatment descaling system, which comprises a cooling water circulation system 100, an electrochemical water treatment tank 200, an online water quality monitoring system 300, a water replenishing system 400 and an on-site control device 800 which are connected through the internet of things. The internet of things is a network which connects any article with the internet through information sensing equipment according to an agreed protocol to exchange and communicate information so as to realize intelligent identification, positioning, tracking, monitoring and management. Generally speaking, the internet of things is the internet with connected objects, and the internet of things has two meanings: firstly, the internet of things is an extension and expansion of the internet, and the core and the foundation of the internet of things are still the internet; secondly, the user side of the internet of things comprises not only people but also articles, and the internet of things realizes information exchange and communication among people, articles and articles. The cooling water circulation system 100, the electrochemical water treatment tank 200, the water quality on-line monitoring system 300, the water replenishing system 400 and the field control device 800 in the application adopt the connection mode of the Internet of things, so that the communication mode of the descaling water treatment process is flexible and changeable, and the communication data interaction is timely. The cooling water circulation system 100 includes a circulation water tank 101, a cooler 102, and a plurality of first water pipes 104; specifically, the circulating water tank 101 is provided with a first water inlet, a first water outlet, a second water inlet and a second water outlet; the circulating water tank 101 is filled with water, a first water outlet is communicated with a water inlet of the cooler 102 through a first water conveying pipeline 104, a water outlet of the cooler 102 is communicated with a cooling water inlet of the device to be cooled 103 through the first water conveying pipeline 104, a heat exchange water outlet of the device to be cooled 103 is communicated with the first water inlet through the first water conveying pipeline 104, and each first water conveying pipeline 104 is provided with a first water conveying pump 1041; the water in the circulating water tank 101 enters the cooler 102 for cooling, the cooled water enters the equipment to be cooled 103 and exchanges heat with the equipment to be cooled 103 to cool the equipment to be cooled 103, and the water after exchanging heat flows into the circulating water tank 101 again, so that the continuous operation of the cooling process is ensured.
The water inlet on the electrochemical water treatment tank 200 is communicated with a second water outlet, and the water outlet on the electrochemical water treatment tank 200 is communicated with the second water inlet through a first water pipeline 104; the electrochemical water treatment tank 200 is provided with an electrochemical descaling component for performing electrochemical descaling on circulating water flowing into the electrochemical water treatment tank from the second water outlet; the electrochemical descaling replaces chemical agent descaling, secondary pollution to water quality is avoided while descaling is conducted, a water inlet in the electrochemical water treatment tank 200 is communicated with a second water outlet in the circulating water tank 101, continuous descaling of water in the circulating water tank 101 is achieved through a descaling assembly in the electrochemical water treatment tank 200, the risk of pipeline scaling and blockage is reduced, and smoothness of a cooling process of the cooling water circulation system 100 on the cooling device 103 is guaranteed.
The water quality online monitoring system 300 comprises a water sample acquisition and pretreatment module 301 and a data detection module 302; specifically, the water sample collection and pretreatment module 301 is configured to collect a water sample in the circulation water tank 101, filter and sediment the collected water sample, and deliver the filtered and sediment water sample to the data detection module 302; the purpose of filtering and settling the collected water sample is to avoid blockage of the data detection module 302 by sludge, dust, grains of sand, corrosion products, microorganisms, bacteria, algae, secretion jelly, general debris and the like in the water sample, so as to ensure smooth proceeding of the detection process.
The data detection module 302 is configured to receive the filtered and desilted water sample and detect the content of water quality ions in the water sample to obtain a detection result; wherein the water ions are permanganate ions, ammonia nitrogen, total phosphorus, total nitrogen and the like.
And the water supplementing system 400 is used for supplementing new water into the circulating water tank 101 until the detection result meets the water quality standard requirement when the detection result does not meet the water quality standard requirement, namely, the water supplementing system 400 is used for supplementing new water into the circulating water tank 101 only when the detection result does not meet the water quality standard requirement, and when the detection result meets the water quality standard requirement, the water supplementing system 400 stops supplementing water into the circulating water tank 101, so that under the premise that the water in the circulating water tank 101 meets the water quality standard, water supplementing nodes and water supplementing quantity are effectively controlled. Wherein, the requirement of reaching the standard of water quality is the national standard of water quality of industrial cooling circulating water.
The on-site control device 800 is installed at a water treatment site and used for controlling the operation processes of the cooling water circulation system 100, the electrochemical water treatment tank 200, the water quality on-line monitoring system 300 and the water replenishing system 400.
In a possible implementation manner, the field control device 800 acquires a detection result sent by the data detection module 302 through the internet of things, and if the detection result does not meet the requirement of reaching the standard of water quality, the field control device 800 sends a water supplementing instruction to the water supplementing system 400 through the internet of things, and the water supplementing system 400 supplements new water into the circulating water tank 101. Because the information interaction is carried out on the reclaimed water treatment site through the Internet of things in the process, the water can be supplemented more timely.
A preset water quality ion content threshold value may be stored in the field control device 800, and the field control device 800 may compare the detection result with the preset water quality ion content threshold value to obtain a result of whether the detection result meets the water quality standard requirement.
In one possible implementation, the field control device 800 may be integrated with the data detection module 302 in the same device.
Or, the field control device 800 may be, for example, an industrial personal computer, a PLC, a main air switch, an air switch of each instrument, a contactor, a dc power supply, a relay, a data acquisition module, and a terminal.
The field control device 800 can also monitor the overall state, overproof alarm and fault alarm of the system, and correspondingly adjust the system action according to the system state to ensure the stable operation of the water quality automatic station.
In some embodiments, the electrochemical descaling assembly herein comprises an anode plate 201, a cathode plate 202, a lead 204 and a dc power supply 203; the cathode plate 202 may be an aluminum alloy plate, and the anode plate 201 may be a stainless steel plate.
The anode plate 201 and the cathode plate 202 are both arranged inside the electrochemical water treatment tank 200, the direct current power supply 203 is arranged outside the electrochemical water treatment tank 200, the anode plate 201 is electrically connected with the positive pole of the direct current power supply 203 through a lead 204, the cathode plate 202 is electrically connected with the negative pole of the direct current power supply 203 through a lead 204, concretely, the anode plate 201 and the cathode plate 202 are respectively connected with the positive pole and the negative pole of the direct current power supply 203 through leads 204, water entering the electrochemical water treatment tank 200 from a second water outlet in the circulating water tank 101 is used as electrolyte, the anode plate 201 is in contact with the water in the electrochemical water treatment tank 200 with the cathode plate 202, the direct current power supply 203 is turned on, and direct current is introduced between the anode plate 201 and the cathode plate 202 through the direct current power supply 203, so that an electrolytic cell is formed between the anode plate 201, the anode plate 202 and the electrochemical water in the electrochemical water treatment tank 200 and the direct current power supply 203, the vicinity of the strong acid region is formed when the oxidation reaction of the anode plate 201 occurs, the vicinity of the strong acid region is the reduction reaction of the cathode plate 202 is the strong base region, and the vicinity of the strong base region is formed by the strong base region, and the strong acid region has good bactericidal effect, and further can effectively sterilize the water in the electrochemical water treatment tank 200.
Furthermore, hydroxyl ions and carbonate ions generated by reduction reaction on the cathode plate 202 are enriched near the cathode plate 202, and when calcium and magnesium ions pass near the cathode plate 202, precipitates such as calcium carbonate and magnesium carbonate can be rapidly produced and adsorbed on the cathode plate 202, so that ions easy to scale in water are greatly reduced, the blockage of the precipitates generated by the ions easy to scale in cooling water in the cooling process on equipment pipelines and the like is avoided, and the service life of the equipment is prolonged.
In some embodiments, a negatively charged scale collecting outer mesh 2021 is provided on the cathode plate 202 in the present application; the scale collection outer net 2021 is used for adsorbing metal ions in the circulating water entering the electrochemical water treatment tank 200 from the second water outlet onto the cathode plate 202, wherein the scale collection outer net 2021 is coated on the cathode plate 202, and negative charges on the scale collection outer net 2021 can adsorb easily-scaling cations such as calcium ions and magnesium ions in the electrochemical water treatment tank 200 onto the cathode plate 202, so that the precipitation of the easily-scaling ions is accelerated and the easily-scaling ions are quickly attached to the cathode plate 202, and the scale removal efficiency is improved.
In some embodiments, a replacement door 205 is hermetically arranged on one side wall of the electrochemical water treatment tank 200, an observation window 206 is arranged on the replacement door 205, specifically, the scaling condition on the cathode plate 202 in the electrochemical water treatment tank 200 can be observed through the observation window 206, when the scaling on the cathode plate 202 is more, the replacement door 205 is opened, the scaling attached to the cathode plate 202 is scraped, the scaling process is ensured to be smoothly performed, and the scaling efficiency is improved; in addition, when the descaling efficiency is reduced after the cathode plate 202 and the anode plate 201 are used for a period of time, the replacement door 205 can be opened to replace the anode plate 201 and the cathode plate 202.
In some embodiments, the water sample collection preprocessing module 301 in the present application includes a buoy 304, a second water pipe 305, a water storage tank 307, and a third water pipe 306; specifically, a water inlet on the float 304 is immersed below the water level in the circulation water tank 101, a water outlet on the float 304 is communicated with one end of a second water pipe 305, one end of the second water pipe 305, which is far away from the float 304, is communicated with a water inlet on a water storage tank 307, and a water outlet of the water storage tank 307 is communicated with the data detection module 302 through a third water pipe 306;
a second water delivery pump 3051 is arranged on the second water delivery pipe 305, and a third water delivery pump 3061 is arranged on the third water delivery pipe 306, wherein the second water delivery pump 6051 is used for pumping water in the circulating water tank 101 into the water storage tank 307, and the third water delivery pump 3061 is used for delivering water in the water storage tank 307 to the data detection module 302.
In some embodiments, a first filter screen is disposed on the water inlet of the float bowl 304, wherein the first filter screen can filter the water entering the float bowl 304 to remove solid impurities in the water, so as to prevent the impurities from blocking the pipeline.
A second filter screen is arranged in the water storage tank 307, and the second filter screen can filter solid impurities in water entering from a water inlet on the water storage tank 307, so that the pipeline is prevented from being blocked by the impurities; the bottom of aqua storage tank 307 is provided with sewage pipes 309, and the one end intercommunication that sewage pipes 309 kept away from aqua storage tank 307 has the desilting collecting vat 308, is provided with on sewage pipes 309 towards husky floodgate 3091, waits that cooling cycle process lasts a period of time after, opens towards husky floodgate 3091, discharges the deposit of aqua storage tank 307 bottom into in the desilting collecting vat 308, cools off it.
In some embodiments, the data detection module 302 in the present application includes a measurement tank 3021, a fourth water conduit 3022, and a water quality ion detection device 3023; specifically, a water inlet of the measuring tank 3021 is communicated with a water outlet of the water storage tank 307 through a third water pipeline 306, a water outlet of the measuring tank 3021 is communicated with a sample inlet of the water quality ion detection device 3023 through a fourth water pipeline 3022, and a fourth water pump 3024 is arranged on the fourth water pipeline 3022; the fourth water pump 3024 is configured to pump water in the measurement tank 3021 into the water quality ion detection device 3023, and to detect the water quality ion detection device 3023.
The water quality ion detection device 3023 is used for detecting the water quality ion content in the filtered and settled water sample to obtain a detection result, wherein the water quality ion detection device 3023 is an ammonia nitrogen detector, a total phosphorus rapid analyzer, a total nitrogen detector, or the like.
In some embodiments, the circulation water tank 101 of the present application is further provided with a third water inlet; the water replenishing system 400 comprises a water replenishing tank 401, a fifth water conveying pipeline 402 and a fifth water conveying pump 403; specifically, a water inlet of the water replenishing tank 401 is connected with an external water source, a water outlet of the water replenishing tank 401 is communicated with a third water inlet on the circulating water tank 101 through a fifth water conveying pipeline 402, and a fifth water conveying pump 403 is arranged on the fifth water conveying pipeline 402; wherein, the input end of the fifth water delivery pump 403 is electrically connected with the output end of the water quality ion detection device 3023.
In the above embodiment, when the result detected by the water quality ion detection device 3023 does not meet the requirement of reaching the standard of water quality ions, the fifth water delivery pump 403 on the fifth water delivery pipeline 402 may be opened, water in the water replenishing tank 401 may flow into the circulating water tank 101, automatic monitoring of water quality ions in the circulating water tank 101 and integration of water replenishing are realized, so that the detection result is more accurate, only when the water replenishing is not reached by water quality ions, the water replenishing is stopped when the water quality ions are reached by water quality ions, and the accuracy of the water replenishing process is improved.
In some embodiments, the water treatment descaling system further comprises a cloud platform and a remote control center, wherein the cloud platform stores a preset water quality ion content threshold value; specifically, the cloud platform 600 is configured to receive the detection result sent by the data detection module 302, and compare the detection result with a preset water quality ion content threshold to obtain a result that the detection result meets the water quality standard requirement or the detection result does not meet the water quality standard requirement.
The cloud platform 600 may store the results, and analyze the results according to the stored water treatment process for subsequent improvement. The cloud platform 600 may also transmit the result that the detection result does not meet the water quality standard requirement to the field control device 800 or the water charging system 400.
The remote control center 500 is arranged in an information center machine room and is used for remotely controlling the water quality on-line monitoring system 300 and the field control device 800. The remote control center 500 remotely controls the water quality on-line monitoring system 300 and the field control device 800 through a 5G wireless network, and the 5G wireless network has the advantages of large network capacity, low time delay and the like, so that workers can remotely, quickly and flexibly control a water treatment field.
The specific working principle of the water treatment descaling system based on electrochemistry and the internet of things is as follows:
filling water into a circulating water tank 101, conveying the water in the circulating water tank 101 into a cooler 102, cooling the water entering the cooler 102 through the cooler 102, allowing the water cooled by the cooler 102 to enter a device 103 to be cooled to exchange heat with the device 103 to be cooled, cooling the device 103 to be cooled through heat exchange, allowing the cooling water to flow into the circulating water tank 101 after heat exchange, wherein in the process, an electrochemical water treatment tank 200 and an online water quality monitoring system 300 are always in a running state, and particularly, the electrochemical water treatment tank 200 continuously performs descaling treatment on the water in the circulating water tank 101 and continuously conveys the water subjected to descaling into the circulating water tank 101; the water quality online monitoring system 300 continuously detects water quality ions in the circulating water tank 101, and when the detected result does not meet the standard requirement of water quality, the water replenishing system 400 is started to replenish water into the circulating water tank 101.
Referring to fig. 4, in a second aspect, the present application provides an electrochemical and internet of things based water treatment descaling method, applied to the above water treatment descaling system, the method including:
701. the cooler 102 cools water entering the cooler from the circulating water tank 101, cooling water cooled by the cooler 102 enters the equipment to be cooled 103 and cools the equipment to be cooled 103 through heat exchange, and the water after heat exchange flows back to the circulating water tank 101;
702. the electrochemical water treatment tank 200 receives the water in the circulating water tank 101, carries out electrochemical descaling on the water, and discharges the water after electrochemical descaling into the circulating water tank 101;
703. the water sample collection and pretreatment module 301 collects a water sample in the circulating water tank 101, filters the collected water sample and sediments sand;
704. the data detection module 302 receives the filtered and settled water sample and detects the ion content of the water quality therein to obtain a detection result;
705. when the detection result does not meet the water quality standard requirement, the water supplementing system 400 supplements new water into the circulating water tank 101 until the detection result meets the water quality standard requirement.
In the above embodiment, the water in the circulation water tank 101 is electrochemically descaled, and the water after electrochemical descaling is discharged into the circulation water tank 101; collecting a water sample in the circulating water tank 101, filtering the collected water sample and settling sand; detecting the ion content of water quality in the water sample after filtering and settling sand to obtain a detection result; when the detection result does not meet the water quality standard requirement, new water is supplemented into the circulating water tank 101 until the detection result meets the water quality standard requirement, real-time automatic monitoring of the water ion content in the circulating water tank 101 is achieved, and when the detection result only needs to be detected and does not meet the water quality standard requirement, the new water is supplemented into the circulating water tank 101, the amount of the water added into the circulating water tank 101 can be effectively controlled, the water using amount is effectively controlled, the electrochemical descaling can not pollute the water quality when the descaling effect is achieved, and the descaled water can be recycled.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A water treatment descaling system based on electrochemistry and the Internet of things is characterized by comprising a cooling water circulation system (100), an electrochemical water treatment tank (200), a water quality online monitoring system (300), a water replenishing system (400) and a field control device (800) which are connected through the Internet of things;
the cooling water circulation system (100) comprises a circulation water tank (101), a cooler (102) and a plurality of first water pipelines (104);
a first water inlet, a first water outlet, a second water inlet and a second water outlet are formed in the circulating water tank (101); the circulating water tank (101) is filled with water, the first water outlet is communicated with a water inlet of the cooler (102) through the first water conveying pipeline (104), a water outlet of the cooler (102) is communicated with a cooling water inlet of the equipment (103) to be cooled through the first water conveying pipeline (104), a heat exchange water outlet of the equipment (103) to be cooled is communicated with the first water inlet through the first water conveying pipeline (104), and each first water conveying pipeline (104) is provided with a first water conveying pump (1041);
a water inlet on the electrochemical water treatment tank (200) is communicated with the second water outlet, and a water outlet on the electrochemical water treatment tank (200) is communicated with the second water inlet through the first water conveying pipeline (104); the electrochemical water treatment tank (200) is provided with an electrochemical descaling component for performing electrochemical descaling on circulating water flowing into the electrochemical water treatment tank from the second water outlet;
the water quality online monitoring system (300) comprises a water sample collection pretreatment module (301) and a data detection module (302);
the water sample collection and pretreatment module (301) is used for collecting a water sample in the circulating water tank (101), filtering and settling sand on the collected water sample, and transmitting the filtered and settled water sample to the data detection module (302);
the data detection module (302) is used for receiving the filtered and desilted water sample and detecting the ion content of the water quality in the water sample to obtain a detection result;
and the water supplementing system (400) is used for supplementing new water into the circulating water tank (101) until the detection result meets the water quality standard requirement when the detection result does not meet the water quality standard requirement.
2. The electrochemical and internet of things based water treatment descaling system of claim 1, wherein the electrochemical descaling assembly comprises an anode plate (201), a cathode plate (202), conducting wires (204) and a direct current power supply (203);
the anode plate (201) and the cathode plate (202) are both arranged inside the electrochemical water treatment box (200), the direct current power supply (203) is arranged outside the electrochemical water treatment box (200), the anode plate (201) is electrically connected with the positive pole of the direct current power supply (203) through the lead (204), and the cathode plate (202) is electrically connected with the negative pole of the direct current power supply (203) through the lead (204).
3. The electrochemical and internet of things based water treatment descaling system of claim 2, wherein the cathode plate (202) is provided with a negatively charged scale collecting outer net (2021);
the scale collecting outer net (2021) is used for adsorbing metal ions in the circulating water entering the electrochemical water treatment tank (200) from the second water outlet onto the cathode plate (202).
4. The electrochemical and internet of things based water treatment descaling system according to claim 1, wherein the electrochemical water treatment tank (200) is hermetically provided with a replacement door (205) on one side wall, and the replacement door (205) is provided with an observation window (206).
5. The electrochemical and internet of things based water treatment descaling system of claim 1, wherein the water sample collection and pretreatment module (301) comprises a buoy (304), a second water pipeline (305), a water storage tank (307) and a third water pipeline (306);
a water inlet on the buoy (304) is immersed below the water level in the circulating water tank (101), a water outlet on the buoy (304) is communicated with one end of the second water pipeline (305), one end, far away from the buoy (304), of the second water pipeline (305) is communicated with a water inlet on the water storage tank (307), and a water outlet of the water storage tank (307) is communicated with the data detection module (302) through the third water pipeline (306);
a second water delivery pump (3051) is arranged on the second water delivery pipeline (305), and a third water delivery pump (3061) is arranged on the third water delivery pipeline (306).
6. The electrochemical and internet of things based water treatment descaling system of claim 5, wherein a first filter screen is arranged on the water inlet of the buoy (304);
be provided with the second filter screen in aqua storage tank (307), the bottom of aqua storage tank (307) is provided with sewage pipes (309), sewage pipes (309) are kept away from the one end intercommunication of aqua storage tank (307) has heavy husky collecting vat (308), be provided with on sewage pipes (309) towards husky floodgate (3091).
7. The electrochemical and internet of things based water treatment descaling system of claim 5, wherein the data detection module (302) comprises a measuring tank (3021), a fourth water pipeline (3022) and a water quality ion detection device (3023);
a water inlet of the measuring tank (3021) is communicated with a water outlet of the water storage tank (307) through the third water pipeline (306), a water outlet of the measuring tank (3021) is communicated with a sample inlet of the water quality ion detection device (3023) through the fourth water pipeline (3022), and a fourth water pump (3024) is arranged on the fourth water pipeline (3022);
and the water quality ion detection device (3023) is used for detecting the water quality ion content in the filtered and settled water sample to obtain a detection result.
8. The electrochemical and internet of things based water treatment descaling system according to claim 7, wherein the circulating water tank (101) is further provided with a third water inlet;
the water supplementing system (400) comprises a water supplementing tank (401), a fifth water conveying pipeline (402) and a fifth water conveying pump (403);
a water inlet of the water replenishing tank (401) is connected with an external water source, a water outlet of the water replenishing tank (401) is communicated with the third water inlet on the circulating water tank (101) through a fifth water conveying pipeline (402), and the fifth water conveying pump (403) is arranged on the fifth water conveying pipeline (402);
the input end of the fifth water delivery pump (403) is electrically connected with the output end of the water quality ion detection device (3023).
9. The electrochemical and internet of things based water treatment descaling system of claim 1, further comprising a cloud platform (600) and a remote control center (500) storing a preset water quality ion content threshold;
the cloud platform (600) is used for receiving the detection result sent by the data detection module (302), comparing the monitoring result with the preset water quality ion content threshold value, and obtaining a result that the detection result meets the water quality standard requirement or the detection result does not meet the water quality standard requirement;
the remote control center (500) is arranged in an information center machine room and is used for remotely controlling the automatic water quality monitoring system.
10. A water treatment descaling method based on electrochemistry and Internet of things is applied to the water treatment descaling system of any one of claims 1 to 9, and the method comprises the following steps:
the cooler (102) cools water entering the cooler from the circulating water tank (101), cooling water cooled by the cooler (102) enters the equipment to be cooled (103) and cools the equipment to be cooled (103) through heat exchange, and the water after heat exchange flows back to the circulating water tank (101);
the electrochemical water treatment tank (200) receives the water in the circulating water tank (101), carries out electrochemical descaling on the water, and then discharges the water after electrochemical descaling into the circulating water tank (101);
the water sample collection pretreatment module (301) collects a water sample in the circulating water tank (101), filters the collected water sample and settles sand;
the data detection module (302) receives the filtered and desilted water sample and detects the ion content of the water quality in the water sample to obtain a detection result;
and when the detection result does not meet the water quality standard-reaching requirement, the water supplementing system (400) supplements new water into the circulating water tank (101) until the detection result meets the water quality standard-reaching requirement.
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| CN108585225A (en) * | 2018-07-13 | 2018-09-28 | 山东海能环境技术有限公司 | A kind of circulating water quality stabilizing control system and control method |
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