Emergency water supply guarantee system suitable for rural drinking water safety in alpine region

Abstract

The utility model provides an emergency water supply guarantee system suitable for drinking water safety in rural areas in alpine regions, which is characterized by comprising a semi-buried insulated house, a stainless steel insulated water tank, a variable-frequency constant-pressure system, a vacuum water return system, a water volume, water quality and water pressure series on-line monitoring and sensing system and a PLC (programmable logic controller) control platform. A stainless steel heat preservation water tank, a variable-frequency constant-pressure system, a vacuum water return system, a water volume, water quality and water pressure series online monitoring and sensing system and a PLC control platform are arranged in the semi-buried heat preservation house. The utility model provides an emergency water supply guarantee system suitable for drinking water safety in rural areas in alpine regions, and mainly solves the problems of water supply pipeline freezing and insufficient water supply stability under extremely cold conditions in winter. Through an integrated innovative design, a water supply guarantee system comprising heat preservation protection, pressure regulation and control, intelligent emptying, online monitoring and automatic control is constructed, and the cold resistance and the operation reliability of a pasturing area water supply system are effectively improved.

Description

Technical Field

[0001] This utility model relates to an emergency water supply guarantee system, specifically an emergency water supply guarantee system suitable for rural drinking water safety in high-altitude and cold regions. Background Technology

[0002] Ensuring safe drinking water for herders in high-altitude pastoral areas is a pressing issue. Constrained by factors such as remote location, highly dispersed water supply areas, frequent extreme weather events, and weak infrastructure, pastoral water supply systems generally suffer from low seasonal water supply reliability and insufficient emergency response capabilities. This is particularly acute in winter when temperatures drop below -20°C, significantly increasing the risk of frozen and bursting water pipes, severely threatening the livelihoods and health of herders. This persistent problem not only hinders the well-being of people in border regions but also poses a critical bottleneck to ecological protection and regional sustainable development. Specifically, water use in high-altitude pastoral areas has unique characteristics. First, the frigid environment frequently causes water sources and pipelines to freeze; second, the small size of water supply areas leads to significant fluctuations in water volume and pressure; and third, the water management and maintenance capabilities in these areas are weak. Utility Model Content

[0003] In view of the shortcomings of existing technologies, this utility model provides an emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions, focusing on solving problems such as easy freezing of water supply pipelines and unstable water supply guarantee rate in pastoral areas.

[0004] The technical solution adopted in this utility model is as follows:

[0005] This utility model provides an emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions, including a semi-buried insulated room (1), a stainless steel insulated water tank (2), a variable frequency constant pressure system (3), a vacuum return water system (4), an online monitoring and sensing system for water quantity, water quality, and water pressure (5), and a PLC control platform (6).

[0006] The semi-buried insulated room (1) is equipped with the stainless steel insulated water tank (2), the variable frequency constant pressure system (3), the vacuum return water system (4), the online monitoring and sensing system for water quantity, water quality and water pressure (5), and the PLC control platform (6).

[0007] The water supply end of the stainless steel insulated water tank (2) is connected to the water inlet end of the variable frequency constant pressure system (3); the water supply pipeline of the variable frequency constant pressure system (3) is connected in series with the first solenoid valve (18) and the second solenoid valve (19) and then connected to the return end of the vacuum return water system (4); the water outlet end of the vacuum return water system (4) is connected to the water inlet end of the stainless steel insulated water tank (2) through the vacuum return water pipeline (13); a fourth solenoid valve (21) is installed in the vacuum return water pipeline (13);

[0008] The water supply pipeline of the variable frequency constant pressure system (3) is located between the first solenoid valve (18) and the second solenoid valve (19) and is connected to one end of the main water supply pipeline (12); the main water supply pipeline (12) is equipped with the online monitoring and sensing system (5) for water quantity, water quality and water pressure and the third solenoid valve (20).

[0009] Preferably, more than 1 / 2 of the semi-buried insulation room (1) is located below the ground, and the area above the ground is buried with silty sand with a particle size ≤2mm, a burial slope of 45°, and a burial height that is flush with the top of the semi-buried insulation room (1).

[0010] Preferably, the stainless steel insulated water tank (2) adopts a stainless steel double-layer structure, with a 50mm polyurethane foam layer filling the interlayer, and a top overflow port (15) and a bottom drain port (16) reserved for connection to a deep well pump (17). An ultrasonic level gauge (14) is installed on the top.

[0011] Preferably, the stainless steel insulated water tank (2) is equipped with an ultraviolet sterilizer (7) at the water supply end.

[0012] Preferably, the variable frequency constant pressure system (3) includes a variable frequency water pump unit (8) and a variable frequency pressure stabilizing tank (9).

[0013] Preferably, the vacuum return water system (4) includes a vacuum pump (10) and a pressure stabilizing tank (11).

[0014] The emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions provided by this utility model has the following advantages:

[0015] This invention provides an emergency water supply system suitable for rural drinking water safety in high-altitude and cold regions, focusing on solving the problems of frozen water supply pipelines and insufficient water supply stability under extremely cold winter conditions. Through integrated and innovative design, a water supply guarantee system is constructed that includes thermal insulation, pressure regulation, intelligent drainage, online monitoring, and automated control, effectively improving the cold resistance and operational reliability of pastoral water supply systems. Attached Figure Description

[0016] Figure 1 Structural diagram of the water supply system insulation room provided by this utility model;

[0017] Figure 2 Structural diagram of the above-ground portion of the water supply system insulation room provided by this utility model;

[0018] Figure 3 This is a schematic diagram of the equipment installation for the water supply system provided by this utility model.

[0019] The components are: 1- Semi-buried insulated room; 2- Stainless steel insulated water tank; 3- Variable frequency constant pressure system; 4- Vacuum return water system; 5- Online monitoring and sensing system for water quantity, water quality, and water pressure; 6- PLC control platform; 7- Ultraviolet sterilizer; 8- Variable frequency water pump unit; 9- Variable frequency pressure stabilizing tank; 10- Vacuum pump; 11- Pressure stabilizing tank; 12- Main water supply pipeline; 13- Vacuum return water pipeline; 14- Ultrasonic level gauge; 15- Overflow port; 16- Drain port; 17- Deep well pump; 18- First solenoid valve; 19- Second solenoid valve; 20- Third solenoid valve; 21- Fourth solenoid valve. Detailed Implementation

[0020] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0021] This utility model relates to the field of drinking water safety assurance in high-altitude pastoral areas, specifically providing an emergency water supply assurance system suitable for rural drinking water safety in high-altitude and cold regions, such as... Figures 1 to 3 As shown, it includes a semi-buried insulated room 1, a stainless steel insulated water tank 2, a variable frequency constant pressure system 3, a vacuum return water system 4, an online monitoring and sensing system for water quantity, water quality, and water pressure 5, and a PLC control platform 6.

[0022] More than half of the area of ​​the semi-buried insulation room 1 is located below the ground. The part above the ground is surrounded by silty sand with a particle size of ≤2mm, a slope of 45°, and a height of 45°, which is flush with the top of the semi-buried insulation room 1.

[0023] The semi-buried insulated room 1 is equipped with the stainless steel insulated water tank 2, the variable frequency constant pressure system 3, the vacuum water return system 4, the online monitoring and sensing system for water quantity, water quality, and water pressure 5, and the PLC control platform 6.

[0024] The stainless steel insulated water tank 2 adopts a stainless steel double-layer structure with a 50mm polyurethane foam layer filling the interlayer. It has an overflow port 15 at the top and a drain port 16 at the bottom, which are connected to the deep well pump 17. An ultrasonic level gauge 14 is installed at the top.

[0025] The stainless steel insulated water tank 2 is equipped with an ultraviolet sterilizer 7 at its water supply end. The water supply end of the stainless steel insulated water tank 2 is connected to the water inlet end of the variable frequency constant pressure system 3; the variable frequency constant pressure system 3 includes a variable frequency water pump unit 8 and a variable frequency pressure stabilizing tank 9.

[0026] The water supply pipeline of the variable frequency constant pressure system 3 is connected in series with the first solenoid valve 18 and the second solenoid valve 19, and then connected to the return water end of the vacuum return water system 4.

[0027] The vacuum water return system 4 includes a vacuum pump 10 and a pressure stabilizing tank 11. The outlet of the vacuum water return system 4 is connected to the inlet of the stainless steel insulated water tank 2 through a vacuum water return pipeline 13; a fourth solenoid valve 21 is installed in the vacuum water return pipeline 13.

[0028] The water supply pipeline of the variable frequency constant pressure system 3 is located between the first solenoid valve 18 and the second solenoid valve 19 and is connected to one end of the main water supply pipeline 12; the main water supply pipeline 12 is equipped with the online monitoring and sensing system 5 for water quantity, water quality, and water pressure and the third solenoid valve 20.

[0029] This utility model provides an emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions, which has the following characteristics:

[0030] First, a semi-buried insulated room 1 is used as the equipment carrier. By embedding the main body of the pump house below the frost layer and using silty sand for insulation on the surface, combined with a stainless steel insulated water tank 2 with a foam insulation layer, a double insulation structure is formed. This structure utilizes the principle of geothermal inertia, which can raise the internal temperature of the pump house by 8-10°C compared to the external environment, ensuring the normal operation of critical equipment in extreme environments.

[0031] Secondly, an innovative vacuum return water system 4 is applied to solve the problem of pipe freezing. By configuring a vacuum pump 10 and a solenoid valve group, including the first solenoid valve 18, the second solenoid valve 19, the third solenoid valve 20, and the fourth solenoid valve 21, the negative pressure suction program is automatically started during non-water use periods at night to pump the residual water in the main water supply pipeline and the household pipe network back to the stainless steel insulated water tank 2. In conjunction with the PLC control platform 6, preventive emptying can be started in advance when the external ambient temperature is below -5℃.

[0032] Third, a variable frequency constant pressure system 3 is used to address water consumption fluctuations. The system uses a series of online monitoring and sensing systems for pipeline water volume, water quality, and water pressure 5 to monitor water pressure changes in real time, dynamically adjusting the speed of the variable frequency pump to stabilize the water supply pressure within a constant range. Compared to traditional constant speed pumps, this solves the problems of "water grabbing" during peak water usage periods and "idling" during off-peak periods in pastoral areas, achieving energy-saving operation.

[0033] Fourth, a multi-dimensional monitoring system is constructed. Integrating online monitoring and sensing systems for water quantity, quality, and pressure (5) with an ultraviolet sterilizer (7), it can monitor and collect parameters such as pressure, flow rate, turbidity, pH, and temperature, and automatically alarm for water quality anomalies. Data is remotely monitored via an NB-IoT module to ensure that the water supply quality meets relevant standards.

[0034] Fifth, based on the PLC control platform 6, it integrates real-time data such as temperature, pressure, and water quality, presets multiple emergency response plans, optimizes the start / stop timing of vacuum return water and frequency converter parameter settings, and achieves "predictive maintenance." Maintenance personnel can remotely control the system via mobile terminals, reducing the frequency of on-site inspections.

[0035] This system has been tested and verified in the Pamir Plateau region of Xinjiang. It operated continuously for 60 days in an extreme environment of -28℃, achieving a 100% water supply guarantee rate with zero pipeline freezing damage. Compared to traditional water supply facilities, the unit water supply cost is reduced by 56%, making it particularly suitable for altitudes above 3000 meters and daily water supply volumes of 50-200 cubic meters. 3 This innovative approach provides a reliable technical solution for safe drinking water in decentralized pastoral water supply scenarios in high-altitude pastoral areas.

[0036] This invention provides an emergency water supply system suitable for rural drinking water safety in high-altitude and cold regions, focusing on solving the problems of frozen water supply pipelines and insufficient water supply stability under extremely cold winter conditions. Through integrated and innovative design, a water supply guarantee system is constructed that includes thermal insulation, pressure regulation, intelligent drainage, online monitoring, and automated control, effectively improving the cold resistance and operational reliability of pastoral water supply systems.

[0037] The specific implementation of this utility model is described in detail below:

[0038] First, construct insulation facilities:

[0039] Construction of Semi-Buried Insulated House 1: Excavate a foundation pit in the frozen soil stabilized layer, exposing the entrance of the underground structure on the ground surface. A layer of silty sand with a particle size ≤2mm is piled around the perimeter of the ground surface as insulation, with a slope of 45° and a height level with the top of the semi-buried insulated house 1r. Figure 1 The pump house adopts a semi-buried insulated room 1, which can effectively resist the low winter temperatures in high-altitude and cold regions. In the low-temperature environment of pastoral areas where heating is difficult, it minimizes the heat exchange between the pump house and the outside. Combined with the relatively closed nature of the stainless steel insulated water tank 2 for internal water storage, it can effectively ensure the normal operation of various pipelines and water storage tanks in the pump house.

[0040] Stainless steel insulated water tank 2: Utilizing a double-layered structure of 304 stainless steel, with a 50mm polyurethane foam layer filling the interlayer, it includes an overflow port 15, a drain port 16, and is connected to a deep well pump 17. An ultrasonic level gauge 14 is installed on the top. Figure 2 .

[0041] Second, establish a water supply system:

[0042] A variable frequency constant pressure system 3 is constructed: A variable frequency water pump unit 8 and a variable frequency pressure stabilizing tank 9 are installed in the pipeline pumping section, and a vector frequency converter is equipped on the corresponding PLC control platform 6. A series of online monitoring and sensing systems 5 for water quantity, water quality, and water pressure are installed at the beginning, middle, and end of the main water supply pipeline 12. The variable frequency constant pressure system 3 stabilizes the water pressure within a fixed range. Specifically, the variable frequency constant pressure system 3 is connected in series with the main water supply pipeline. Using pipeline pressure monitoring instruments, the operating frequency of the variable frequency water pump unit 8 is adjusted to ensure a constant pipeline water supply pressure during peak and off-peak water usage periods in the pastoral area. This ensures a reliable water supply while reducing the electricity consumption of the pastoral water supply and lowering water costs.

[0043] The vacuum return water system 4 is constructed as follows: A vacuum return water pump set, consisting of a vacuum pump 10 and a pressure stabilizing tank 11, is installed in the pipeline. An online monitoring and sensing system 5 for water volume, water quality, and water pressure is installed in the pipeline. The pipeline is controlled by a second solenoid valve 19 and a fourth solenoid valve 21. The vacuum return water pipeline 13 is connected to the stainless steel insulated water tank 2. Figure 2 Specifically, during non-water usage periods in pastoral areas at night, the vacuum water return system 4 can generate negative pressure in the pipeline during operation, drawing the remaining water in the pipeline back to the stainless steel insulated water tank 2. This achieves the emptying of the main water supply pipeline and the inlet pipeline in low-temperature environments, preventing the water supply network from freezing in low-temperature environments and reducing the water supply guarantee rate.

[0044] Third, implementation of intelligent monitoring system:

[0045] Construct a series of online monitoring and sensing systems for water quantity, water quality, and water pressure 5: Install pressure transmitters, flow regulators, pH meters, turbidity meters, flow meters, pressure gauges, and other equipment in sequence on the main pipeline to realize online monitoring of pipeline water pressure, flow rate, and water quality. Real-time data is wirelessly transmitted to the PLC control platform 6. Therefore, the system's available water quantity, water quality, and equipment operating status can be monitored in real time to ensure safe and stable water supply.

[0046] Fourth, establish a control platform:

[0047] A PLC control platform 6 is established: Based on the data collected by the pump unit and pipeline sensing equipment, a multi-level control mode is set to control the automatic opening and closing of the first solenoid valve 18, the second solenoid valve 19, the third solenoid valve 20, and the fourth solenoid valve 21 under low temperature conditions, the stable operation of the variable frequency constant pressure system 3, and the automatic return water control of the vacuum return water system 4 under low temperature conditions. Maintenance personnel can remotely obtain data from each level of the PLC control platform 6, remotely control the start and stop of the pump, and view fault information.

[0048] Specifically, the PLC control platform 6 is used to realize the integrated and automated control of the water supply system, realize the online monitoring of water quantity, water quality and water pressure series and the data acquisition and monitoring of the sensing system 5, realize the automatic opening and closing of pipeline valves according to the external temperature, realize the automatic operation of the variable frequency constant pressure system 3, and realize the automatic start and stop of the vacuum return water system 4 according to time and temperature data.

[0049] This invention has been successfully applied in the high-altitude pastoral areas of Pamir, Xinjiang, and is particularly suitable for daily water supply of 50-200 cubic meters per second. 3 This applies to areas with low temperatures, as well as scattered pastoral areas with minimum temperatures ≤-20℃. Operations personnel can adjust system parameters according to actual needs to achieve continuous and stable operation.

[0050] This utility model provides an emergency water supply system for rural drinking water safety in high-altitude and cold regions. The system is housed in a relatively enclosed semi-buried insulated enclosure, systematically solving problems such as unstable water pressure and quality, and easy freezing of water pipes, caused by the dispersed residential areas and harsh temperature environments of herders in high-altitude and cold regions. The emergency water supply system includes: a semi-buried insulated enclosure, a stainless steel insulated water tank, a variable frequency constant pressure system, a vacuum return water system, an online monitoring and sensing system for water quantity, quality, and pressure, and a PLC control platform. Two-thirds of the semi-buried insulated enclosure is located underground, while the remaining one-third is surrounded by a layer of fine sand. An exhaust fan connects the interior and exterior air. The stainless steel insulated water tank inside the semi-buried enclosure further ensures the reliability of the water supply at low temperatures. All equipment and sensor automatic control systems are integrated into the PLC control platform, allowing real-time monitoring of water supply flow, pressure, water quality, energy consumption, and other system status. Vacuum return water systems can be used to drain pipes in low-temperature environments, preventing freezing of inlet pipes and main water supply pipes.

[0051] Addressing the significant differences in water consumption during peak and off-peak hours in pastoral areas, the variable frequency constant pressure system ensures constant pipeline water pressure, saving energy and reducing consumption. During off-peak nighttime water consumption periods in pastoral areas, when outdoor temperatures drop below -10°C, the vacuum return water system generates negative pressure in the pipelines, pumping out residual water and preventing the pipelines from freezing overnight. This invention is primarily applicable to drinking water safety assurance projects in high-altitude, remote areas with low water supply reliability in pastoral regions.

[0052] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions, characterized in that, It includes a semi-buried insulated room (1), a stainless steel insulated water tank (2), a variable frequency constant pressure system (3), a vacuum return water system (4), an online monitoring and sensing system for water quantity, water quality, and water pressure (5), and a PLC control platform (6); The semi-buried insulated room (1) is equipped with the stainless steel insulated water tank (2), the variable frequency constant pressure system (3), the vacuum return water system (4), the online monitoring and sensing system for water quantity, water quality and water pressure (5), and the PLC control platform (6). The water supply end of the stainless steel insulated water tank (2) is connected to the water inlet end of the variable frequency constant pressure system (3); the water supply pipeline of the variable frequency constant pressure system (3) is connected in series with the first solenoid valve (18) and the second solenoid valve (19) and then connected to the return end of the vacuum return water system (4); the water outlet end of the vacuum return water system (4) is connected to the water inlet end of the stainless steel insulated water tank (2) through the vacuum return water pipeline (13); a fourth solenoid valve (21) is installed in the vacuum return water pipeline (13); The water supply pipeline of the variable frequency constant pressure system (3) is located between the first solenoid valve (18) and the second solenoid valve (19) and is connected to one end of the main water supply pipeline (12); the main water supply pipeline (12) is equipped with the online monitoring and sensing system (5) for water quantity, water quality and water pressure and the third solenoid valve (20).

2. The emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions according to claim 1, characterized in that, More than half of the area of ​​the semi-buried insulation room (1) is located below the ground. The area above the ground is surrounded by silty sand with a particle size of ≤2mm, a slope of 45°, and a height that is level with the top of the semi-buried insulation room (1).

3. The emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions according to claim 1, characterized in that, The stainless steel insulated water tank (2) adopts a stainless steel double-layer structure with a 50mm polyurethane foam layer filling the interlayer. It has an overflow port (15) at the top and a drain port (16) at the bottom, which is connected to a deep well pump (17). An ultrasonic level gauge (14) is installed at the top.

4. The emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions according to claim 1, characterized in that, The stainless steel insulated water tank (2) is equipped with an ultraviolet sterilizer (7) at its water supply end.

5. An emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions according to claim 1, characterized in that, The variable frequency constant pressure system (3) includes a variable frequency water pump unit (8) and a variable frequency pressure stabilizing tank (9).

6. The emergency water supply guarantee system for rural drinking water safety in high-altitude and cold regions according to claim 1, characterized in that, The vacuum return water system (4) includes a vacuum pump (10) and a pressure stabilizing tank (11).

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