A circulating water comprehensive treatment system

Abstract

A circulating water comprehensive treatment system, comprising an automatic detection module, an automatic dosing module, an electrochemical module and a control module; the circulating water comprehensive treatment system integrates the automatic detection module, the automatic dosing module, the electrochemical module and the control module to form a circulating water comprehensive treatment system with chemical dosing treatment function or electrochemical treatment function; the system has the advantages of fast effect speed, less sewage discharge, no environmental pollution, low overall operation cost, low on-site technical management requirement and the like, and simultaneously solves the problems of scaling, biological slime and corrosion of the circulating water system, and improves the actual operation efficiency and service life of the open circulating cooling water treatment system.

Description

Technical Field

[0001] This utility model relates to the field of circulating water treatment technology, and specifically to a comprehensive circulating water treatment system. Background Technology

[0002] Open-loop cooling water systems are in direct contact with the atmosphere. The cooling water circulates continuously throughout the system, and due to continuous evaporation, various inorganic salt ions and organic molecules are constantly concentrated. Fluctuations in water temperature, changes in water flow velocity, and the combined effects of sunlight, wind, rain, dust, and debris on the cooling tower and cooling pool, as well as the structural and material properties of the equipment, all contribute to the deterioration of the circulating water quality. This leads to problems such as equipment corrosion, scaling, and the growth of microorganisms (algae, bacteria, slime molds) resulting in sludge. These problems will cause blockages in the circulating water system pipes, corrosion perforation, reduced heat exchange efficiency, and shortened service life, resulting in unnecessary economic losses for customers.

[0003] To address the aforementioned issues, the industry currently primarily employs two methods: chemical dosing and electrochemical treatment. Chemical dosing involves adding corrosion and scale inhibitors, dispersants, bactericides, algaecides, or pH adjusters (sulfuric acid or NaOH solution) to the circulating water to control scaling and deposits. It also addresses corrosion inhibition in copper and carbon steel heat exchangers and controls microorganisms, suppressing the rapid growth of algae, bacteria, slime molds, and the formation of biological slime. While chemical dosing offers the advantage of rapid onset of action, it fails to remove inorganic salts from the circulating water, resulting in a lower concentration ratio of the circulating cooling water, higher wastewater discharge, and continuous replenishment of chemicals, leading to high overall operating costs (approximately 20 times that of electrochemical treatment). It can also pollute the water quality. Furthermore, inadequate on-site technical management (e.g., changing the circulating water source, causing significant changes in the ionic composition of the water, without timely adjustment of the added corrosion and scale inhibitor composition; or weather changes without timely adjustment of the bactericide dosage) can still lead to scaling, biological slime, and corrosion problems in the system. Electrochemical treatment involves installing an electrochemical treatment device in an open-loop circulating cooling water system. Under the influence of a direct current electric field, a strongly alkaline environment is created near the cathode, causing scale-forming ions such as calcium and magnesium in the circulating water to precipitate from the water and deposit on the cathode surface for discharge. Meanwhile, a strongly acidic environment is formed near the anode, generating strong oxidants such as hydroxyl radicals, ozone (O3), hypochlorous acid, and chlorine dioxide. These oxidants kill and control algae, bacteria, slime molds, and other microorganisms in the water, inhibiting their growth and the formation of biological slime. Electrochemical treatment allows for continuous, long-term, and low-cost treatment of circulating water. Electrochemical treatment can remove inorganic salts from circulating water, thus offering advantages such as high concentration ratio of circulating cooling water, low wastewater discharge, no environmental pollution, and low overall operating costs. However, the electrochemical treatment is relatively slow to take effect, especially during the summer and autumn seasons when algae, slime mold, and bacteria outbreaks are common. This is because the concentrations of strong oxidants such as hydroxyl radicals, O3 (ozone), hypochlorous acid, and chlorine dioxide generated near the anode are low, and their effects are limited to the vicinity of the anode. Therefore, it is difficult to kill or inhibit algae, slime mold, and bacteria in the entire circulating water in a short time, resulting in the continued adhesion of biological slime in the heat exchange pipes of the circulating water system, which affects the heat exchange efficiency.

[0004] The existence of chemical dosing or electrochemical treatment problems in the aforementioned circulating water system affects the actual operating efficiency and service life of existing open circulating cooling water treatment systems. How to solve the problems of low actual operating efficiency and short service life of open circulating cooling water treatment systems is an urgent problem for domestic circulating water treatment system manufacturers. Utility Model Content

[0005] To overcome the shortcomings of the prior art, this utility model discloses a comprehensive circulating water treatment system that integrates an automatic detection module, an automatic dosing module, an electrochemical module, and a control module to form a comprehensive circulating water treatment system with both chemical dosing and electrochemical treatment functions. This system has many advantages, such as fast onset of action, low wastewater discharge, no environmental pollution, low overall operating costs, and low on-site technical management requirements. At the same time, it completely solves the problems of scaling, biological sludge, and corrosion in circulating water systems, improving the actual operating efficiency and service life of open-loop circulating cooling water treatment systems.

[0006] To achieve the aforementioned objective, this utility model adopts the following technical solution: a comprehensive circulating water treatment system, comprising an automatic detection module, an automatic dosing module, an electrochemical module, and a control module; the automatic detection module and the electrochemical module are sequentially connected via pipelines; the automatic detection module is connected to an inlet pipeline, and the electrochemical module is connected to an outlet pipeline; the automatic dosing module is connected to the outlet pipeline via a bypass pipeline; the control module is electrically connected to the automatic detection module, the automatic dosing module, and the electrochemical module.

[0007] Furthermore, the circulating water integrated treatment system also includes a filter module; the filter module is equipped with a self-cleaning filter, which is connected in series with a pipeline at the front end of the automatic detection module; the self-cleaning filter is equipped with a drain outlet, which is connected to a drain pipeline.

[0008] Furthermore, the circulating water integrated treatment system also includes a booster pump; the booster pump is connected in series with pipelines at the front end of the automatic detection module; the booster pump is electrically connected to the control module.

[0009] Furthermore, the filter module includes a self-cleaning filter and a drain valve; the self-cleaning filter and the drain valve are connected by a pipeline; the drain valve is electrically connected to the control module.

[0010] Furthermore, the automatic detection module includes detection module A and detection module B, which are connected in series via pipelines; the outlet of detection module B is connected to the outlet pipeline; detection module A includes a turbidity meter and a reagent concentration meter connected in series; detection module B includes a precision filter, a pH meter, a conductivity meter, and an ORP meter connected in series; the turbidity meter, reagent concentration meter, pH meter, conductivity meter, and ORP meter are electrically connected to the control module.

[0011] Furthermore, a throttling valve is installed on the pipeline at the inlet or outlet end of the detection module B.

[0012] Furthermore, a thermometer is installed at the inlet of detection module A; the pH meter, conductivity meter, and ORP meter of detection module B are connected in parallel via pipelines to a corrosion rate plate holder; the thermometer is electrically connected to the control module.

[0013] Furthermore, the automatic dosing module is equipped with several dosing tanks, each containing chemical reagents; each dosing tank is connected to the outlet water pipe via a pipeline, and a metering pump is installed on the pipeline between the dosing tank and the outlet water pipe; the metering pump is electrically connected to the control module.

[0014] Furthermore, the electrochemical module is equipped with several electrochemical reaction devices, which are electrically connected to the control module; the water inlet of the electrochemical module is connected to the water outlet of the detection module A, and the water outlet of the electrochemical module is connected to the water outlet pipeline; the electrochemical reaction device is equipped with a drain outlet, which is equipped with a drain valve.

[0015] Furthermore, the drain valve in the electrochemical module is connected to the drain pipe via a pipeline.

[0016] Due to the adoption of the above-described technical solution, this utility model has the following beneficial effects: The circulating water comprehensive treatment system disclosed in this utility model includes an automatic detection module, an automatic dosing module, an electrochemical module, and a control module; the automatic detection module and the electrochemical module are connected sequentially via pipelines; the automatic detection module is connected to an inlet pipeline, and the electrochemical module is connected to an outlet pipeline; the automatic dosing module is connected to the outlet pipeline via a bypass pipeline; the control module is electrically connected to the automatic detection module, the automatic dosing module, and the electrochemical module; this circulating water comprehensive treatment system integrates the automatic detection module, the automatic dosing module, the electrochemical module, and the control module, forming a circulating water comprehensive treatment system with chemical dosing or electrochemical treatment functions; this system has many advantages such as fast onset of action, low wastewater discharge, no environmental pollution, low overall operating costs, and low on-site technical management requirements, while also solving the problems of scaling, biological sludge, and corrosion in circulating water systems, improving the actual operating efficiency and service life of open-loop circulating cooling water treatment systems. Attached Figure Description

[0017] Figure 1 Principle framework of the integrated circulating water treatment system Figure 1 ; Figure 2 Principle framework of the integrated circulating water treatment system Figure 2 ; Figure 3 Principle framework of the integrated circulating water treatment system Figure 3 ; Figure 4 This is a schematic diagram of the principle of a comprehensive circulating water treatment system; Figure 5This is a schematic diagram of the filter module. Figure 6 This is a schematic diagram of the automatic detection module. Figure 7 This is a schematic diagram of the automatic dosing module. Figure 8 This is a schematic diagram of the electrochemical module principle; Figure 9 This is a schematic diagram of the integrated circulating water treatment system and the circulating water system pipeline connection in Example 1; Figure 10 This is a schematic diagram of the integrated circulating water treatment system and the circulating water system pipeline connection in Example 2; Figure 11 This is a schematic diagram of the integrated circulating water treatment system and the circulating water system pipeline connection in Example 3.

[0018] In the diagram: 1. Filter module; 1.1. Self-cleaning filter; 1.2. Drain valve; 2. Automatic detection module; 2.1. Detection module A; 2.1.1. Turbidity meter; 2.1.2. Reagent concentration meter; 2.2. Detection module B; 2.2.1. Precision filter; 2.2.2. pH meter; 2.2.3. Conductivity meter; 2.2.4. ORP meter; 2.3. Thermometer; 2.4. Corrosion rate plate holder; 3. Automatic... 3.1 Dosing module; 3.2 Dosing tank; 4. Electrochemical module; 4.1 Electrochemical reaction device; 5. Control module; 6. Booster pump; 7. Inlet water pipe; 8. Outlet water pipe; 9. Sewage pipe; 10. Cooling tower; 11. Cooling tower inlet water pipe; 12. Cooling tower return water pipe; 13. Refrigeration unit; 14. Refrigeration unit inlet water pipe; 15. Refrigeration unit return water pipe; 16. Refrigeration unit inlet water pipe pressurization system. Detailed Implementation

[0019] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0020] See the instruction manual appendix Figure 1A circulating water integrated treatment system includes an inlet pipe 7, an outlet pipe 8, and a sewage discharge pipe 9. The system comprises an automatic detection module 2, an automatic dosing module 3, an electrochemical module 4, and a control module 5. The automatic detection module 2 and the electrochemical module 4 are connected sequentially via pipes, and are also connected to the outlet pipe 8 via another pipe. The electrochemical module 4 also has a sewage discharge port connected to the sewage discharge pipe 9. The automatic dosing module 3 is connected in parallel to the outlet pipe 8 via a pipe. The control module 5 is connected to the automatic detection module 2 and the automatic dosing module 3. The electrochemical module 4 is electrically connected. This utility model's integrated circulating water treatment system integrates the automatic dosing module 3 (chemical dosing function) and the electrochemical module 4 (electrochemical treatment function) into one system, forming a comprehensive circulating water treatment system. This system simultaneously possesses the advantages of rapid onset of chemical dosing treatment and the advantages of electrochemical treatment, such as low wastewater discharge, no environmental pollution, and low overall operating costs. During long-term operation, the integrated circulating water treatment system utilizes the electrochemical module 4 to decompose organic molecules into inorganic ions and kill various microorganisms (algae, bacteria, slime molds). This system maintains the number of various microorganisms in the circulating water at extremely low levels, minimizing the probability of microbial outbreaks under suitable conditions and maintaining a low alkalinity in the circulating water. It also continuously removes inorganic ions from the circulating water, preventing ion concentration and water quality deterioration due to evaporation losses, thus avoiding problems such as scaling, corrosion, and microbial growth in the equipment. Furthermore, even when the circulating water supply source changes significantly, causing substantial changes in the ionic composition, scaling and corrosion will not occur even without timely adjustments to the corrosion inhibitor and scale dispersant composition, greatly reducing the requirements for on-site technical management. Moreover, even if microorganisms break out under extreme conditions, bactericides can be added via the automatic dosing module 3 to quickly control the situation, preventing biological slime from forming in the circulating water system. This ensures the actual heat exchange efficiency of the open-loop circulating cooling water treatment system, extends its service life, and reduces operating and maintenance costs. During actual operation, the system uses very little chemical reagent (generally, no chemical reagents are used), resulting in extremely low operating costs and minimal environmental impact from wastewater discharge.

[0021] See the instruction manual appendix Figure 2 Furthermore, the circulating water integrated treatment system also includes a filter module 1. The filter module 1 is connected in series with the automatic detection module 2 at the front end through pipelines to filter the circulating water entering the automatic detection module 2, filter out solid impurities and suspended debris in the circulating water, reduce the chance of solid impurities and suspended debris adhering to various sensors in the automatic detection module 2, and reduce the workload of cleaning and maintaining various sensors; the filter module 1 is electrically connected to the control module 5.

[0022] See the instruction manual appendix Figure 3 Furthermore, the circulating water integrated treatment system also includes a booster pump 6, which is connected in series with the automatic detection module 2 via pipelines, or connected in series with the filter module 1 via pipelines. The booster pump 6 is electrically connected to the control module 5. In actual use, under certain operating conditions, the circulating water pressure in the pipeline network may be insufficient, and the circulating water cannot flow through the circulating water integrated treatment system. In this case, the booster pump 6 will increase the circulating water pressure to ensure that the circulating water flows smoothly through the circulating water integrated treatment system.

[0023] Example 1, see appendix to the instruction manual. Figure 4 A circulating water integrated treatment system is provided with an inlet pipe 7, an outlet pipe 8, and a sewage discharge pipe 9; the circulating water integrated treatment system includes a filter module 1, an automatic detection module 2, an automatic dosing module 3, an electrochemical module 4, and a control module 5; See the instruction manual appendix Figure 5 Filter module 1 includes a self-cleaning filter 1.1, which is a MAF-SF-E fully automatic scraper filter. Internally, it is equipped with a differential pressure switch and a motor-driven rotating outer scraper. This fully automatic scraper filter has an inlet, an outlet, and a drain outlet. An electrically controlled drain valve 1.2 is connected to the drain outlet. The inlet of filter module 1 is connected to the inlet pipe 7, and the outlet is connected to the inlet of the automatic detection module 2 via a pipe. The electrically controlled drain valve 1.2 at the drain outlet is connected to the drain pipe 9 via a pipe. The differential pressure switch, motor, and electrically controlled drain valve 1.2 are electrically connected to the control module 5. During normal operation, circulating water enters the filter through the inlet, entering the filter element from its outer surface. Impurities and suspended solids pass through... The filter is placed on the outer surface of the filter element, and the filtered circulating water flows out from the outlet. When impurities or suspended matter accumulate on the outer surface of the filter element to a certain extent, the pressure difference between the inside and outside of the filter element increases. When the pressure difference rises to a set threshold, the differential pressure switch outputs a signal to the control module 5. After receiving the output signal from the differential pressure switch, the control module 5 controls the electrically controlled drain valve 1.2 to open and simultaneously controls the motor to rotate. After being reduced in speed by the reducer, the motor drives the scraper shaft to rotate, scraping off impurities and suspended matter from the outer surface of the filter element. The impurities and suspended matter fall to the bottom under the action of gravity and are discharged into the drain pipe 9 through the opened electrically controlled drain valve 1.2. When the pressure difference between the inside and outside of the filter element drops to the set threshold, the differential pressure switch stops outputting a signal to the control module 5. The control module 5 controls the motor to stop rotating and closes the drain valve 1.2. See the instruction manual appendix Figure 6The automatic detection module 2 includes detection module A2.1 and detection module B2.2, which are connected in series via pipelines. The inlet of detection module A2.1 is connected to the outlet of filter module 1 via a pipeline, and the outlet of detection module A2.1 is connected to the inlet of electrochemical module 4 via a pipeline. The outlet of detection module B2.2 is connected to the outlet pipeline 8. Detection module A2.1 includes a turbidity meter 2.1.1 and a reagent concentration meter 2.1.2 connected in series. Detection module B2.2 includes a precision filter 2.2.1, a pH meter 2.2.2, a conductivity meter 2.2.3, and an ORP meter connected in series. Measuring instrument 2.2.4; furthermore, an electronic thermometer 2.3 is also installed at the water inlet end of detection module A2.1; the pH meter 2.2.2, conductivity meter 2.2.3, and ORP meter 2.2.4 of detection module B2.2 are also connected in parallel to a corrosion rate plate holder 2.4 via pipelines; the turbidity meter 2.1.1, reagent concentration meter 2.1.2, pH meter 2.2.2, conductivity meter 2.2.3, ORP meter 2.2.4, and electronic thermometer 2.3 are all electrically connected to control module 5; the various sensors in automatic detection module 2 are used to detect various physicochemical indicators of circulating water, and the various physicochemical indicators are transmitted to control module 5. The automatic dosing module 3 and electrochemical module 4 operate automatically after comprehensive calculation, analysis, and feedback control by control module 5. Electronic thermometer 2.3 is used to detect the circulating water temperature and correct the measurement value of conductivity meter 2.2.3. Turbidity meter 2.1.1 is used to detect the impurities and suspended solids content in the circulating water to determine its quality. Chemical concentration meter 2.1.2 is used to detect the chemical concentration in the circulating water. (In this integrated circulating water treatment system, the corrosion and scale inhibitors used are phosphorus-free water treatment agents to avoid environmental pollution. Therefore, the chemical concentration cannot be determined by detecting the phosphate content in the circulating water; hence, a fluorescent tracer is added to the corrosion and scale inhibitors.) Concentration meter 2.1.2 indirectly detects the concentration of corrosion inhibitors, scale inhibitors, and dispersants in circulating water by detecting the concentration of fluorescent tracers; pH meter 2.2.2 is used to detect the pH value of circulating water (a weakly alkaline pH value can prevent corrosion in the circulating water system, but a higher alkalinity will lead to scaling); conductivity meter 2.2.3 is used to detect the conductivity of circulating water, monitoring the concentration factor of circulating water, and also to monitor abnormal pollution or fluctuations in circulating water (such as cooler leaks, process media entering the circulating water, or tap water replenishment, etc.). This indicator can quickly respond to abnormal fluctuations in circulating water quality; ORP meter 2.2.4. Used to detect oxidative or reducing indicators in circulating water, primarily for evaluating the activity of bactericides, especially for quantifying the effectiveness of oxidizing bactericides (such as chlorine, bromine, ozone, chlorine dioxide, etc.). It can provide early warning of the risk of uncontrolled microbial growth in circulating water, serving as a "barometer" for microbial control in circulating water. When analyzing ORP measurements, the influence of pH on ORP needs to be considered. Excessively high ORP values ​​(ORP > 800mV) indicate accelerated metal corrosion. Furthermore, after the addition of non-oxidizing bactericides (such as quaternary ammonium salts, isothiazolinones), the uniformity of agent addition can be assessed by monitoring the brief decrease in ORP. The corrosion rate plate holder 2.4 manually measures the corrosion rate of standard test pieces within a set period. The sensor data is transmitted to the control module 5 at a set frequency. The control module 5 performs comprehensive calculations and analysis to determine the water quality, operating efficiency, and potential problems of the circulating water system, and then provides feedback to control the automatic dosing module. Block 3 automatically adds the required reagents to the circulating water, or the electrochemical module 4 adjusts the operating current through feedback control. In the detection module B2.2, the precision filter 2.2.1 further filters out impurities and suspended solids in the circulating water flowing through it, reducing the adhesion rate of impurities and suspended solids to the pH meter 2.2.2, conductivity meter 2.2.3, and ORP meter 2.2.4, thus reducing the frequency of cleaning and maintenance of these instruments. Furthermore, regulating throttle valves are installed on the inlet and outlet pipes of the detection module B2.2. These valves adjust and reduce the flow rate of the circulating water through the module, further reducing the adhesion rate of impurities and suspended solids to the pH meter 2.2.2, conductivity meter 2.2.3, and ORP meter 2.2.4, while allowing more circulating water to flow through the electrochemical module 4 for treatment. See the instruction manual appendix Figure 7The automatic dosing module 3 is equipped with two dosing tanks 3.1, each containing a corrosion and scale inhibitor and a bactericide / algaecide. Each dosing tank 3.1 is connected to the outlet pipe 8 via a pipeline. A metering pump 3.2 is installed on the pipeline between the dosing tank 3.1 and the outlet pipe 8. The metering pump 3.2 is electrically connected to the control module 5. When the circulating water integrated treatment system is working, the control module 5 performs comprehensive calculation and analysis based on data uploaded from various sensors, and controls the metering pump 3.2 to dispense the chemicals from the dosing tanks 3.1 at a set speed. The stored chemicals in module 1 are precisely added to the circulating water at a fixed rate and quantity, reducing manual intervention and minimizing energy consumption and chemical waste. The operating speed of the metering pump 3.2 in the automatic dosing module 3 can be automatically adjusted by the control module 5. The automatic dosing module 3 can add chemicals to the circulating water in a few minutes. Therefore, abnormal fluctuations in the quality of the circulating water (such as fluctuations in conductivity caused by adding tap water to the circulating water, or abnormal outbreaks of algae, bacteria, and slime molds caused by temperature changes) can be quickly responded to and controlled by the automatic dosing module 3. See the instruction manual appendix Figure 8The electrochemical module 4 contains two, three, or more electrochemical reaction devices 4.1 (determined based on the total circulating water volume of the system; three are included in this embodiment). In this embodiment, the electrochemical module 4 is preferably configured in parallel. Each electrochemical reaction device 4.1 has an inlet, an outlet, and a drain outlet. The inlet is connected to the outlet of the detection module A2.1, and the outlet is connected to the outlet pipe 8. A drain valve is installed at the drain outlet, and the drain valve is connected to the drain pipe 9. The electrochemical reaction device 4.1 includes an anode, a cathode, and a scale scraping device. The scale scraping device is driven by a motor. The anode, cathode, motor, drain valve, and control module 5 are electrically connected. The working principle of the electrochemical reaction device 4.1 is as follows: Under normal circumstances, the anode and cathode are connected to a DC power supply and operate in a constant current mode (1.5V). The concentration of these oxidants (mA / cm2) causes metal ions in the circulating water to precipitate as loose scale on the cathode, making them easy to remove. At the anode, the pH value decreases (becoming acidic), generating strong oxidants such as hydroxyl radicals, ozone (O3), hypochlorous acid, and chlorine dioxide near the anode. These oxidants kill algae, bacteria, and slime molds in the circulating water flowing near the anode. However, because the concentration of these oxidants near the anode is low and their effect is limited to the vicinity of the anode, it is difficult to kill or inhibit algae and slime molds throughout the entire circulating water in a short time. Therefore, the electrochemical reactor 4.1 needs to work continuously for a long period to accumulate and ensure continuous circulation of the circulating water through the anode to suppress algae, slime molds, and bacteria to extremely low levels. However, for sudden outbreaks of algae, slime molds, and bacteria caused by special circumstances, the electrochemical reactor 4.1 cannot control them in a short time. At the cathode, the pH value increases (becoming alkaline), causing metal ions in the circulating water to precipitate as loose scale on the cathode. Scale deposits on the cathode. When the thickness of the scale on the cathode surface reaches a set threshold (the working current between the anode and cathode remains constant, but the voltage between the anode and cathode increases with the increase of the scale thickness on the cathode; the scale thickness on the cathode can be calculated by measuring the working voltage of the anode and cathode), the control module 5 controls the opening of the drain valve and starts the motor to rotate. The motor drives the scraping device to rotate and scrape off the scale on the cathode surface. The scale falls into the bottom of the electrochemical reaction device 4.1 under gravity and is discharged into the drain pipe 9 through the opened electrically controlled drain valve 1.2. When the voltage between the anode and cathode drops to the set threshold, the control module 5 controls the motor to stop rotating and closes the drain valve 1.2. In this embodiment, the three electrochemical reaction devices 4.1 are set in parallel, which makes the working current of the three electrochemical reaction devices 4.1 consistent and easier to control. At the same time, the electrochemical reaction devices 4.1 set in parallel can sequentially take turns to remove scale, so the electrochemical module 4 can perform scale removal without stopping the machine. See the instruction manual appendix Figure 9The attached diagram shows the connection between the integrated circulating water treatment system and the circulating water system pipeline when used outdoors. When the integrated circulating water treatment system is used outdoors, it is usually set up near the cooling tower 10. The cooling tower 10 is connected to the cooling tower inlet pipe 11 and the cooling tower return pipe 12 from the refrigeration unit 13. The circulating water in the cooling tower inlet pipe 11 has working pressure, so the integrated circulating water treatment system does not need to be equipped with a booster pump 6. Under this usage condition, the integrated circulating water treatment system is connected in parallel between the cooling tower inlet pipe 11 and the cooling tower 10. 15% of the circulating water in the circulating water system flows through the integrated circulating water treatment system, while the remaining 85% of the circulating water directly enters the cooling tower 10 through the cooling tower inlet pipe 11. Theoretically, the circulating water in the circulating water system can be treated by the integrated circulating water treatment system once after seven cycles. When the integrated circulating water treatment system is used outdoors, its specific connection method with the circulating water system pipeline is as follows: the inlet pipe 7 of the integrated circulating water treatment system is connected to the cooling tower inlet pipe 11, the outlet pipe 8 of the integrated circulating water treatment system is directly connected to the cooling tower 10, and the sewage pipe 9 is connected to the sewage treatment device through a pipeline; when the integrated circulating water treatment system is working, the circulating water in the cooling tower inlet pipe 11, under pressure, first enters the filter module 1 through the inlet pipe 7, and after being filtered by the filter module 1, it enters the automatic detection module 2; the circulating water entering the automatic detection module 2 first flows through the detection module A2.1 for temperature, turbidity, and reagent concentration detection, and the circulating water flowing out of the detection module A2.1... Part of the circulating water enters the electrochemical module 4 through the pipeline for treatment and is then discharged through the outlet pipe 8. The other part flows through the detection module B2.2 for pH, conductivity, and ORP detection, and then merges with the circulating water treated by the electrochemical module 4 in the outlet pipe 8. The automatic dosing module 3 is connected in parallel to the outlet pipe 8. The various parameters of the circulating water detected by the automatic detection module 2 are transmitted to the control module 5. After comprehensive calculation and analysis of the collected circulating water parameters, the control module 5 controls the automatic dosing module 3 to dosing chemicals into the circulating water in the outlet pipe 8, or controls and adjusts the operating current of the electrochemical reaction device 4.1. The circulating water treated by the comprehensive circulating water treatment system is directly connected to the cooling tower 10 through the outlet pipe 8. This integrated circulating water treatment system incorporates both an automatic dosing module 3 and an electrochemical module 4, but their functions differ: the automatic dosing module 3 is used for rapid intervention in short-term fluctuations in circulating water quality, while the electrochemical module 4 is used for long-term control of circulating water conductivity (actually the ion concentration in the circulating water) and the killing and inhibition of basic algae, bacteria, and slime molds, preventing scaling and slime adhesion in the circulating water system pipelines. For example, when ORP and turbidity parameters are abnormal, it indicates an outbreak of algae, bacteria, and slime molds in the circulating water. At this time, the control module 5 controls the automatic dosing module 3 to add bactericides and algaecides to the circulating water; when conductivity parameters are abnormal... When an anomaly occurs (e.g., the total hardness of the tap water added in northern regions is too high), the control module 5 controls the automatic dosing module 3 to add corrosion and scale inhibitors and dispersants; the reagent concentration meter 2.1.2 detects the reagent concentration in the circulating water after the reagent is added; by detecting the corrosion status of the standard test piece in the corrosion rate plate holder 2.4, the pH baseline value (specific alkalinity value) of the circulating water comprehensive treatment system is calibrated; this system has many advantages such as fast onset of action, low wastewater discharge, no environmental pollution, low overall operating cost, and low on-site technical management requirements, which completely solves the problems of scaling, biological slime, and corrosion in the circulating water system, and greatly improves the actual operating efficiency and service life of the open circulating cooling water treatment system.

[0024] Example 2, see appendix to the instruction manual. Figure 10 : The attached diagram shows the connection between the integrated circulating water treatment system and the circulating water system piping when used indoors. When the integrated circulating water treatment system is used indoors, it is typically located near the chiller unit 13. The chiller unit 13 is connected to a chiller unit inlet water pipe 14 and a chiller unit return water pipe 15 from the cooling tower 10. The chiller unit inlet water pipe 14 is equipped with a chiller unit inlet water pipe booster system 16 (originally integrated into the chiller unit 13). Therefore, the circulating water in the chiller unit inlet water pipe 14 near the chiller unit 13 has working... Pressure, therefore, the circulating water integrated treatment system no longer needs to be equipped with a booster pump 6; under this operating condition, the circulating water integrated treatment system is connected in parallel between the chiller inlet water pipe 14 and the chiller 13, the inlet water pipe 7 is connected to the chiller inlet water pipe 14 and is set between the chiller 13 and the chiller inlet water pipe pressurization system 16; the outlet water pipe 8 is connected to the chiller inlet water pipe 14 and is set on the side of the chiller inlet water pipe pressurization system 16 away from the chiller 13; the sewage pipe 9 is connected to the sewage treatment device through a pipeline.

[0025] Example 3, see appendix to the instruction manual. Figure 11 : The attached diagram shows another configuration of the circulating water treatment system when used indoors. In this embodiment, the circulating water in the chiller inlet pipe 14 has no working pressure. Therefore, in the circulating water treatment system, a booster pump 6 is installed at the front end of the filter module 1. In this usage configuration, the circulating water treatment system is connected in parallel between the chiller inlet pipe 14 and the chiller 13. The inlet pipe 7 is connected to the chiller inlet pipe 14 at the end away from the chiller 13. The outlet pipe 8 is connected to the chiller inlet pipe 14 at the end near the chiller 13. The sewage pipe 9 is connected to the sewage treatment device via a pipeline. In this embodiment, the automatic dosing module 3 is equipped with three dosing tanks 3.1, which are respectively equipped with corrosion and scale inhibitor, bactericide and algaecide, and pH adjuster (sulfuric acid solution or NaOH solution). The pH adjuster is used to adjust and control the acidity and alkalinity of the circulating water.

[0026] It should be noted that although the original design of this integrated circulating water treatment system was an improvement design for many problems existing in the actual operation of open circulating cooling water systems, it is also applicable to closed circulating cooling water systems.

[0027] It should be understood that this solution is not limited to the specific embodiments described above. Devices and structures not described in detail herein should be understood as being implemented in a manner common to the art. Any person skilled in the art can make many possible variations and modifications to this solution, or modify it into equivalent embodiments, without departing from the scope of this solution, using the methods and techniques disclosed above. This does not affect the substantive content of this solution. Therefore, any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this solution, without departing from its scope, still fall within the protection scope of this solution.

[0028] The parts of this utility model not described in detail are existing technologies.

Claims

1. A comprehensive circulating water treatment system, characterized in that: It includes an automatic detection module (2), an automatic dosing module (3), an electrochemical module (4), and a control module (5); the automatic detection module (2) and the electrochemical module (4) are connected in sequence through pipelines; the automatic detection module (2) is connected to an inlet pipeline (7), and the electrochemical module (4) is connected to an outlet pipeline (8); the automatic dosing module (3) is connected to the outlet pipeline (8) through a pipeline; the control module (5) is electrically connected to the automatic detection module (2), the automatic dosing module (3), and the electrochemical module (4).

2. The circulating water integrated treatment system according to claim 1, characterized in that: Also includes Filter module (1); A self-cleaning filter (1.1) is provided in the filter module (1). The self-cleaning filter (1.1) is connected in series in front of the automatic detection module (2) through a pipeline. The self-cleaning filter (1.1) is provided with a drain outlet, and a drain pipe (9) is connected to the drain outlet.

3. The integrated circulating water treatment system according to claim 1, characterized in that: It also includes a pressure pump (6); the pressure pump (6) is connected in series in the pipeline at the front end of the automatic detection module (2); the pressure pump (6) is electrically connected to the control module (5).

4. The circulating water integrated treatment system according to claim 2, characterized in that: The filter module (1) includes a self-cleaning filter (1.1) and a drain valve (1.2); the self-cleaning filter (1.1) and the drain valve (1.2) are connected by a pipeline; the filter module (1) is electrically connected to the control module (5).

5. The circulating water integrated treatment system according to claim 1, characterized in that: The automatic detection module (2) includes detection module A (2.1) and detection module B (2.2), which are connected in series via pipelines; the outlet of detection module B (2.2) is connected to the outlet pipeline (8); detection module A (2.1) includes a turbidity meter connected in series ( 2.1.1) Drug concentration meter ( 2.1.2); Detection module B (2.2) includes a precision filter (2.2.1), pH meter (2.2.2), conductivity meter (2.2.3), and ORP meter (2.2.4) connected in series; a turbidity meter (2.1.1), and a reagent concentration meter ( 2.1.2), pH meter (2.2.2), conductivity meter (2.2.3), ORP meter (2.2.4) are electrically connected to the control module (5).

6. The integrated circulating water treatment system according to claim 1, characterized in that: A throttling valve is installed on the pipeline at the inlet or outlet end of the detection module B (2.2).

7. The circulating water integrated treatment system according to claim 5, characterized in that: A thermometer (2.3) is also installed at the inlet end of the detection module A (2.1); the pH meter (2.2.2), conductivity meter (2.2.3), and ORP meter (2.2.4) of the detection module B (2.2) are connected in parallel to the corrosion rate plate holder (2.4) through the pipeline; the thermometer (2.3) is electrically connected to the control module (5).

8. The integrated circulating water treatment system according to claim 1, characterized in that: The automatic dosing module (3) is equipped with several dosing tanks (3.1), each containing chemical reagents. Each dosing tank (3.1) is connected to the outlet pipe (8) via a pipeline. A metering pump (3.2) is installed on the pipeline between the dosing tank (3.1) and the outlet pipe (8). The metering pump (3.2) is electrically connected to the control module (5).

9. The integrated circulating water treatment system according to claim 5, characterized in that: The electrochemical module (4) is equipped with several electrochemical reaction devices (4.1), which are electrically connected to the control module (5); the inlet of the electrochemical module (4) is connected to the outlet of the detection module A (2.1), and the outlet of the electrochemical module (4) is connected to the outlet pipeline (8); the electrochemical reaction device (4.1) is equipped with a drain outlet, which is equipped with a drain valve (1.2).

10. The integrated circulating water treatment system according to claim 9, characterized in that: The drain valve (1.2) in the electrochemical module (4) is connected to the drain pipe (9) via a pipeline.

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