Modularized pipeline direct drinking water system

Abstract

The invention discloses a modularized pipeline direct drinking water system, and relates to the technical field of direct drinking water systems, the modularized pipeline direct drinking water system comprises a pretreatment module, a deep treatment module, a sterilization and disinfection module, an analysis module, an energy-saving operation module and a circulating water supply module; the pretreatment module is used for carrying out primary treatment on raw water, and impurity particles in water are removed by adopting a filtering mode; the advanced treatment module is used for further purifying the pretreated water by adopting a reverse osmosis technology; the sterilization and disinfection module performs sterilization treatment based on an ultraviolet irradiation method to form direct drinking water; the analysis module is used for analyzing local historical water consumption data and judging local water consumption peak and valley time periods. Through deep analysis of local historical water consumption data, specific time periods of water consumption peak and valley can be accurately mastered, so that a water supply system can plan allocation of water resources in advance, and reasonable utilization of energy is realized and waste of energy is avoided through reasonable allocation of operation of a water pump in the water consumption peak.

Description

Technical Field

[0001] The present invention relates to the technical field of direct drinking water systems, and in particular to a modular pipeline direct drinking water system. Background Art

[0002] A piped drinking water system is a system that deeply purifies water that meets the standards for drinking water quality, transports it through independent closed circulation pipes, and directly supplies it to users with high-quality drinking water. In recent years, piped drinking water systems have gradually emerged. However, existing piped drinking water systems are mostly low in integration. The treatment units are scattered, occupy a large area, and are complex to install, debug, and maintain, increasing construction and operating costs. The connection between different treatment modules is not tight enough, resulting in unstable water treatment effects and difficulty in meeting diverse water quality requirements. In addition, the drinking water system has high energy consumption and consumes a lot of energy. In this regard, we propose a modular piped drinking water system. Summary of the invention

[0003] In order to solve the above technical problems, a modular pipeline direct drinking water system is provided. This technical solution solves the above problem of high energy consumption.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is: a modular pipeline direct drinking water system, including: a pretreatment module, a deep treatment module, a sterilization and disinfection module, an analysis module, an energy-saving operation module and a circulating water supply module;

[0005] The pretreatment module performs preliminary treatment on the raw water and removes impurity particles in the water by filtering;

[0006] The deep treatment module uses reverse osmosis technology to further purify the pre-treated water;

[0007] The sterilization and disinfection module performs sterilization based on ultraviolet irradiation to form direct drinking water;

[0008] The analysis module is used to analyze local historical water usage data and determine the peak and trough periods of local water usage;

[0009] The energy-saving operation module automatically adjusts the operating frequency and power of the water pump equipment based on the determined water use time period, reduces the water pump speed during the low water use period to reduce energy consumption; allocates water pump operation during the peak water use period to ensure stable water supply; optimizes pipeline design to reduce water resistance;

[0010] The circulating water supply module processes the direct drinking water and uses a circulating pump to circulate the water in the pipe.

[0011] Preferably, the pretreatment module pretreats the raw water based on a filtration method by setting up a multi-layer filter screen, wherein the outer filter screen has a pore size of 100 μm for filtering large impurities, the middle filter screen has a pore size of 50-100 μm for intercepting silt and stone fragments, and the inner filter screen has a pore size of 10-50 μm for filtering fine suspended particles; a sensor is provided in the pretreatment module, and the flow rate and water quality of the raw water are obtained based on the sensor, and the pore size of the filter screen is adjusted according to the raw water conditions to filter the raw water.

[0012] Preferably, the reverse osmosis technology of the deep processing module is based on the characteristics of a semipermeable membrane, and separates solutes and solvents under pressure drive. The reverse osmosis membrane is a polyamide membrane, and is operated by a high-pressure pump with a pressure range of 1.5-10MPa. During the processing, real-time monitoring is performed based on sensors, and operating parameters are adjusted based on the monitoring data.

[0013] Preferably, the ultraviolet sterilizer in the sterilization and disinfection module adopts multiple groups of ultraviolet lamps, each group of ultraviolet lamps has a different wavelength, and kills different microorganisms; the interior of the ultraviolet sterilizer is lined with reflective material to reflect the ultraviolet light; a water quality detection device is provided in the sterilization and disinfection module to detect the microbial indicators of the direct drinking water after sterilization, and automatically adjust the power and irradiation time of the ultraviolet lamp based on the detection results.

[0014] Preferably, let P be the power of the ultraviolet lamp, t be the irradiation time, M be the detection value of the microbial index, and M 0 is the standard value of microorganisms, k 1 With k 2 is the adjustment coefficient, k 1 >0,k 2 >0, in M>M 0 To enhance the sterilization effect, adjust the power and irradiation time of the UV lamp by the following formula:

[0015] Where P 0 is the power of the current UV lamp, t 0 is the current irradiation time;

[0016] In M<M 0 When the sterilization intensity is reduced, the formula is expressed as:

[0017] The formula design dynamically adjusts the sterilization and disinfection parameters based on the microbial indicators to ensure that the microbial indicators of direct drinking water meet the standards.

[0018] Preferably, the analysis module obtains local historical water usage data through document data recorded in the database, uses time series analysis to analyze the changing trend of historical water usage data on the time axis, identifies periodic fluctuation patterns, considers seasonal and time factors, and determines the peak and trough time periods of local water usage.

[0019] Preferably, the water consumption data sequence is set to y(t), where t represents a time point, and y(t) is decomposed, then:

[0020] Where T(t) represents the trend term, reflecting the long-term trend of water use, S(t) represents the seasonal term, reflecting the fluctuation of water use caused by seasonal cycle factors, and R(t) represents the residual term, including random noise. The trend term is calculated by linear regression, and the calculation formula is:

[0021] Estimate a and b based on the least squares method;

[0022] For the seasonal term S(t), the seasonal cycle is set to c, the seasonal effect is estimated by calculating the mean value in each cycle, and the residual term is calculated, R(t)=y(t)-T(t)-S(t);

[0023] Set a threshold TH. When y(t)-T(t)-S(t)>TH, it is judged to be in the peak water consumption period.

[0024] When y(t)-T(t)-S(t)<-TH, it is judged to be in the low water usage period.

[0025] Preferably, the energy-saving operation module captures water demand through sensor networks and data analysis, and adjusts the operating frequency of the water pump according to a preset program. During periods of reduced water consumption, the operating frequency of the water pump is reduced and the water pump power is reduced. During periods of increased water consumption, the operating frequency of the water pump is increased and the water pump power is increased. During the allocation process, the energy-saving operation module dynamically adjusts the operating frequency and power of the water pump.

[0026] Preferably, the pipeline design is optimized by selecting smooth inner wall materials, including polyethylene PE pipes, polyvinyl chloride PVC pipes and stainless steel pipes, using inner wall coating technology, coating the inner wall of the pipeline with an epoxy resin coating, reducing the number of valves and fittings in the pipeline, and adopting a parallel pipeline design to distribute the total flow to multiple parallel pipelines.

[0027] Preferably, the circulating water supply module distributes water flow based on water demand and pipeline layout.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] Through in-depth analysis of local historical water use data, the present invention can accurately grasp the specific time periods when water use peaks and troughs occur, which helps the water supply system to plan the allocation of water resources in advance. During peak water use periods, by reasonably allocating water pump operations, increasing the number of operating water pumps and improving the operating power of water pumps, it is ensured that the water supply pressure and flow rate meet the large water demand of users, maintain the water pressure of the water supply system stable, realize the rational use of energy, and avoid energy waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a framework diagram of the pipeline direct drinking water system of the present invention. DETAILED DESCRIPTION

[0031] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0032] Reference Figure 1 As shown, a modular pipeline direct drinking water system includes: a pretreatment module, a deep treatment module, a sterilization and disinfection module, an analysis module, an energy-saving operation module and a circulating water supply module;

[0033] The pretreatment module performs preliminary treatment on the raw water and removes impurity particles in the water by filtering;

[0034] The deep treatment module uses reverse osmosis technology to further purify the pre-treated water;

[0035] The sterilization and disinfection module performs sterilization based on ultraviolet irradiation to form direct drinking water;

[0036] The analysis module is used to analyze local historical water usage data and determine the peak and trough periods of local water usage;

[0037] The energy-saving operation module automatically adjusts the operating frequency and power of the water pump equipment based on the determined water use time period, reduces the water pump speed during the low water use period to reduce energy consumption; allocates water pump operation during the peak water use period to ensure stable water supply; optimizes pipeline design to reduce water resistance;

[0038] The circulating water supply module processes the direct drinking water and uses a circulating pump to circulate the water in the pipe.

[0039] This application effectively removes large particle impurities such as silt, rust, and suspended matter in raw water, preventing these impurities from entering subsequent deep processing modules and other equipment, avoiding wear and blockage of reverse osmosis membranes and water pump precision equipment, greatly extending the service life of the equipment and reducing equipment maintenance and replacement costs;

[0040] The use of reverse osmosis technology can effectively remove almost all soluble salts, heavy metal ions, microorganisms, and small molecular organic harmful substances in the water, so that the water quality can be deeply purified, meeting the extremely high requirements for direct drinking water quality and ensuring the health of residents' drinking water;

[0041] Through ultraviolet irradiation, the DNA structure of bacteria and viral microorganisms is destroyed, making them inactive, effectively killing pathogenic microorganisms in the water, ensuring that direct drinking water is safe and reliable in terms of microbial indicators, and preventing various diseases caused by drinking water contaminated by microorganisms;

[0042] Analyzing local historical water use data and accurately determining peak and low water use periods will provide a scientific basis for resource allocation in the water supply system, help to rationally arrange water resource reserves, ensure that large water demands can be met during peak water use, and avoid water shortages.

[0043] The pretreatment module pretreats the raw water based on the filtration method by setting up multiple layers of filter screens, wherein the aperture of the outer filter screen is 100μm, which is used to filter large impurities, the aperture of the middle filter screen is 50-100μm, which is used to intercept mud and stone fragments, and the aperture of the inner filter screen is 10-50μm, which is used to filter fine suspended particles; a sensor is provided in the pretreatment module, based on which the flow rate and water quality of the raw water are obtained, the aperture of the filter screen is adjusted according to the raw water conditions, and the raw water is filtered.

[0044] The present application sets up multiple layers of filter screens with different apertures, from the outer filter screen with an aperture of 100μm to filter large impurities, to the middle filter screen with an aperture of 50-100μm to intercept mud and stone fragments, and then to the inner filter screen with an aperture of 10-50μm to filter fine suspended particles, forming a comprehensive and detailed filtration system from large to small. This graded filtration method can almost completely remove impurities of various particle sizes in the raw water, greatly improving the initial purification effect of the raw water, and providing better water inlet conditions for subsequent deep treatment modules.

[0045] The reverse osmosis technology of the deep processing module is based on the characteristics of a semipermeable membrane, which separates solutes and solvents under pressure. The reverse osmosis membrane is a polyamide membrane and is operated by a high-pressure pump with a pressure range of 1.5-10MPa. During the processing, real-time monitoring is performed based on sensors, and operating parameters are adjusted based on the monitoring data.

[0046] This application utilizes the characteristics of a semipermeable membrane. Driven by pressure, reverse osmosis technology can efficiently separate solutes and solvents in raw water. This separation method is very effective in removing the total amount of soluble solids, hardness, heavy metal ions, bacteria, viruses and some organic pollutants in water, and can significantly improve water quality, providing a guarantee for the production of high-quality drinking water.

[0047] The ultraviolet sterilizer in the sterilization and disinfection module adopts multiple groups of ultraviolet lamps. Each group of ultraviolet lamps has a different wavelength and kills different microorganisms. The interior of the ultraviolet sterilizer is lined with reflective material to reflect the ultraviolet light. The sterilization and disinfection module is equipped with a water quality detection device to detect the microbial indicators of the direct drinking water after sterilization, and automatically adjust the power and irradiation time of the ultraviolet lamp based on the detection results.

[0048] Different microorganisms in this application have different sensitivity wavelengths to ultraviolet rays. Using multiple sets of ultraviolet lamps with different wavelengths can cover a wider range of microorganisms and effectively kill bacteria, viruses, fungi and other microorganisms.

[0049] The reflective material lining can reflect ultraviolet light, allowing light that might have been directly absorbed or scattered to re-participate in the sterilization process. This significantly increases the chance of ultraviolet light coming into contact with microorganisms in the water, improves the utilization rate of ultraviolet light, and enhances the overall sterilization effect without increasing the power of the ultraviolet lamp.

[0050] Assume P is the power of the UV lamp, t is the irradiation time, M is the detection value of the microbial index, and M 0 is the standard value of microorganisms, k 1 With k 2 is the adjustment coefficient, k 1 >0,k 2 >0, in M>M 0 To enhance the sterilization effect, adjust the power and irradiation time of the UV lamp by the following formula:

[0051] Where P 0 is the power of the current UV lamp, t 0 is the current irradiation time;

[0052] In M<M 0 When the sterilization intensity is reduced, the formula is expressed as:

[0053] The formula design dynamically adjusts the sterilization and disinfection parameters based on the microbial indicators to ensure that the microbial indicators of direct drinking water meet the standards.

[0054] This application reduces the need for manual monitoring and manual adjustment through an automated parameter adjustment mechanism, and reduces water quality risks caused by human operational errors or untimely operations. The system can respond to changes in microbial indicators autonomously, quickly and accurately, thereby improving the automation level and stability of the direct drinking water production process and ensuring the continuity and safety of water supply.

[0055] The analysis module obtains local historical water usage data through document data recorded in the database, uses time series analysis to analyze the changing trend of historical water usage data on the time axis, identifies periodic fluctuation patterns, considers seasonal and time factors, and determines the peak and trough time periods of current water usage.

[0056] This application uses time series analysis to analyze the changing trends of historical water consumption data on the time axis, which can intuitively and clearly show the evolution of water consumption data over time. By drawing line graphs or trend curves, the fluctuations of daily, weekly, monthly and even annual water consumption can be clearly seen, thereby gaining insight into the changing patterns of water consumption at different time scales, providing intuitive and powerful data support for subsequent analysis;

[0057] By accurately grasping the peak and trough periods of water use, the water supply department can reasonably arrange the operating time and load of water supply equipment according to actual needs, avoiding unnecessary long-term operation or excessive load operation of equipment. This can not only improve the utilization rate of equipment, but also extend the service life of equipment and reduce the maintenance and replacement costs of equipment.

[0058] Assume that the water consumption data series is y(t), where t represents the time point, and decompose y(t), then:

[0059] Where T(t) represents the trend term, reflecting the long-term trend of water use, S(t) represents the seasonal term, reflecting the fluctuation of water use caused by seasonal cycle factors, and R(t) represents the residual term, including random noise. The trend term is calculated by linear regression, and the calculation formula is:

[0060] Estimate a and b based on the least squares method;

[0061] For the seasonal term S(t), the seasonal cycle is set to c, the seasonal effect is estimated by calculating the mean value in each cycle, and the residual term is calculated, R(t)=y(t)-T(t)-S(t);

[0062] Set a threshold TH. When y(t)-T(t)-S(t)>TH, it is judged to be in the peak water consumption period.

[0063] When y(t)-T(t)-S(t)<-TH, it is judged to be in the low water usage period.

[0064] The energy-saving operation module captures water demand through sensor networks and data analysis, and adjusts the operating frequency of the water pump according to the preset program. During periods of reduced water consumption, the operating frequency of the water pump is reduced and the water pump power is reduced. During periods of increased water consumption, the operating frequency of the water pump is increased and the water pump power is increased. During the allocation process, the energy-saving operation module dynamically adjusts the operating frequency and power of the water pump.

[0065] This application captures water demand in real time through a sensor network, and dynamically adjusts the operating frequency and power of the water pump according to a preset program. It can accurately match the energy consumption of the water pump with the actual water demand, and reduce the operating frequency and power of the water pump during periods of reduced water consumption, thereby avoiding energy waste caused by the water pump running at high power when demand is low.

[0066] Optimize pipeline design by selecting smooth inner wall materials, including polyethylene PE pipe, polyvinyl chloride PVC pipe and stainless steel pipe, adopt inner wall coating technology, apply epoxy resin coating on the inner wall of the pipeline, reduce the number of valves and fittings in the pipeline, and adopt parallel pipeline design to distribute the total flow to multiple parallel pipelines. The circulating water supply module distributes water flow based on water demand and pipeline layout.

[0067] This application uses polyethylene PE pipes, polyvinyl chloride PVC pipes and stainless steel pipes with smooth inner walls, which greatly reduces the friction between the water flow and the inner wall of the pipe; reduces the number of valves and fittings in the pipeline, reduces the local resistance generated when the water flows through these components; and reduces the impact force and pressure fluctuations of the water flow on the inner wall of the pipe by reducing water resistance and optimizing water flow distribution.

[0068] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A modular pipeline direct drinking water system, characterized in that: include: Pretreatment module, deep treatment module, sterilization and disinfection module, analysis module, energy-saving operation module and circulating water supply module; The pretreatment module performs preliminary treatment on the raw water and removes impurity particles in the water by filtering; The deep treatment module uses reverse osmosis technology to further purify the pre-treated water; The sterilization and disinfection module performs sterilization based on ultraviolet irradiation to form direct drinking water; The analysis module is used to analyze local historical water usage data and determine the peak and trough periods of local water usage; The energy-saving operation module automatically adjusts the operating frequency and power of the water pump equipment based on the determined water use time period, reduces the water pump speed during the low water use period to reduce energy consumption; allocates water pump operation during the peak water use period to ensure stable water supply; optimizes pipeline design to reduce water resistance; The circulating water supply module processes the direct drinking water and uses a circulating pump to circulate the water in the pipe.

2. A modular pipeline direct drinking water system according to claim 1, characterized in that: The pretreatment module pre-treats the raw water based on the filtration method by setting up multiple layers of filter screens, where the outer filter screen has a pore size of 100 μm, which is used to filter large impurities, the middle filter screen has a pore size of 50-100 μm, which is used to intercept silt and stone fragments, and the inner filter screen has a pore size of 10-50 μm, which is used to filter fine suspended particles; The pretreatment module is equipped with a sensor, which obtains the flow rate and water quality of the raw water based on the sensor, adjusts the filter aperture according to the raw water conditions, and filters the raw water.

3. A modular pipeline direct drinking water system according to claim 1, characterized in that: The reverse osmosis technology of the deep processing module is based on the characteristics of a semipermeable membrane, which separates solutes and solvents under pressure. The reverse osmosis membrane is a polyamide membrane and is operated by a high-pressure pump with a pressure range of 1.5-10MPa. During the processing, real-time monitoring is performed based on sensors, and operating parameters are adjusted based on the monitoring data.

4. A modular pipeline direct drinking water system according to claim 1, characterized in that: The ultraviolet sterilizer in the sterilization and disinfection module adopts multiple groups of ultraviolet lamps. Each group of ultraviolet lamps has a different wavelength and kills different microorganisms. The interior of the ultraviolet sterilizer is lined with reflective material to reflect the ultraviolet light. The sterilization and disinfection module is equipped with a water quality detection device to detect the microbial indicators of the direct drinking water after sterilization, and automatically adjust the power and irradiation time of the ultraviolet lamp based on the detection results.

5. A modular pipeline direct drinking water system according to claim 4, characterized in that: Assume that P is the power of the ultraviolet lamp, t is the irradiation time, M is the detection value of the microbial index, M0 is the standard value of the microorganism, k1 and k2 are adjustment coefficients, k1>0, k2>0, when M>M0, the effect of sterilization and disinfection is enhanced, and the power and irradiation time of the ultraviolet lamp are adjusted by the following formula: Where P0 is the current power of the UV lamp, and t0 is the current irradiation time; When M<M0, the intensity of sterilization and disinfection is reduced, and the formula is expressed as: The formula design dynamically adjusts the sterilization and disinfection parameters based on the microbial indicators to ensure that the microbial indicators of direct drinking water meet the standards.

6. A modular pipeline direct drinking water system according to claim 1, characterized in that: The analysis module obtains local historical water usage data through document data recorded in the database, uses time series analysis to analyze the changing trends of historical water usage data on the time axis, identifies periodic fluctuation patterns, considers seasonal and time factors, and determines the peak and trough time periods of local water usage.

7. A modular pipeline direct drinking water system according to claim 6, characterized in that: Assume that the water consumption data sequence is y(t), where t represents the time point, and decompose y(t), then: y(t)=T(t)+S(t)+R(t) Where T(t) is the trend term, which reflects the long-term trend of water use, S(t) is the seasonal term, which reflects the fluctuation of water use caused by seasonal cycle factors, and R(t) is the residual term, including random noise. The trend term is calculated by linear regression, and the calculation formula is: T(t)=a+bt Estimate a and b based on the least squares method; For the seasonal term S(t), the seasonal period is set to c, the seasonal effect is estimated by calculating the mean value in each period, and the residual term is calculated, R(t) = y(t) - T(t) - S(t); Set a threshold TH. When y(t)-T(t)-S(t)>TH, it is judged to be in the peak water consumption period. When y(t)-T(t)-S(t)<-TH, it is judged to be in the low water usage period.

8. A modular pipeline direct drinking water system according to claim 1, characterized in that: The energy-saving operation module captures water demand through sensor networks and data analysis, and adjusts the operating frequency of the water pump according to the preset program. During periods of reduced water consumption, the operating frequency of the water pump is reduced and the water pump power is reduced. During periods of increased water consumption, the operating frequency of the water pump is increased and the water pump power is increased. During the allocation process, the energy-saving operation module dynamically adjusts the operating frequency and power of the water pump.

9. A modular pipeline direct drinking water system according to claim 1, characterized in that: Optimize pipeline design by selecting smooth inner wall materials, including polyethylene PE pipe, polyvinyl chloride PVC pipe and stainless steel pipe, adopt inner wall coating technology, apply epoxy resin coating on the inner wall of the pipeline, reduce the number of valves and fittings in the pipeline, and adopt parallel pipeline design to distribute the total flow to multiple parallel pipelines.

10. A modular pipeline direct drinking water system according to claim 1, characterized in that: The circulating water supply module distributes water flow based on water demand and pipeline layout.

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