33 results about "Water security" patented technology

The invention relates to the technical field of drinking water safety, and discloses a rural drinking water safety quantity and quality monitoring and early warning method, which comprises the following steps: acquiring water quality monitoring data of a transmission source and water quality monitoring data of an upstream area; obtaining drinking water pipeline data of rural drinking water; judging whether the water quality monitoring data of the upstream area is abnormal or not, if yes, repairing the water quality of the upstream area, if not, judging whether the water quality monitoring data of the conveying source is abnormal or not so as to repair the water quality monitoring data of the conveying source, and if not, judging whether the drinking water pipeline is aged or not by establishing a comprehensive aging evaluation model of the drinking water pipeline. Whether the water quality monitoring data of the drinking water pipeline outlet is related to drinking water pipeline aging is judged; according to the method, the water quality safety restoration speed and the rural drinking water safety are improved by accurately positioning the water quality safety problem.

The utility model provides an automatic water changing fish tank, including mounting bracket, the mounting bracket is installed fish tank cylinder body, fish tank cylinder body is connected with filter system, the mounting bracket still is provided with automatic water changing mechanism, automatic water changing mechanism includes water tank, water tank is connected with first water pump, first water pump passes through inlet pipe and is connected with filter system, filter system is connected with water outlet pipe, then with the water in filter system together into fish tank cylinder body, fish tank cylinder body water level increases and will overflow to filter system, then filter system water level increases and will overflow to water outlet pipe, then by water outlet pipe and export the water overflow of fish tank water circulation system, whole process does not need manual water changing to fish tank, can fixed time automatic water changing, save time and effort, greatly alleviate the workload of fishery, and the water changing amount is smaller each time, and the stability of the whole water quality in the fish tank will not bring damage, greatly improve the security of water changing.

The invention relates to the technical field of water treatment, in particular to a concentrated water utilization method and a concentrated water utilization device of water purification equipment. According to the concentrated water utilization method of the water purification equipment, the concentrated water discharged by the water purification equipment can be stored in the storage barrel, the concentrated water stored in the storage barrel can supplement water for the water utilization equipment, and the concentrated water utilization method of the water purification equipment comprises the following steps: judging whether the storage barrel is cleaned or not; when the storage barrel is cleaned, the storage barrel stops storing the concentrated water discharged by the water purifying equipment and stops supplementing water to the water consuming equipment through the concentrated water stored in the storage barrel, and the concentrated water stored in the storage barrel is discharged and the storage barrel is sterilized and disinfected. According to the concentrated water utilization device provided by the invention, the concentrated water discharged by the water purification equipment is utilized by adopting the concentrated water utilization method of the water purification equipment, so that the reutilization of the concentrated water is realized, the water resource is saved, and the safety of the utilized concentrated water is also ensured.

This invention discloses a method for constructing a "sponge" mining area in the subsidence zone of underground mining. It fully utilizes the large surface subsidence space caused by mining operations to purify, store, and utilize mine water resources, and restore the mining area's ecology. The method involves horizontally dividing the subsidence space into "purification-storage-utilization" functional zones and vertically reconstructing the soil into "isolation-conservation-nurturing" functional zones. Horizontally, the surface subsidence basin is divided into three water resource functional zones: a water purification zone, a water storage zone, and a water use zone. The water purification zone is located upstream of the gravity flow of mine water at the edge of the subsidence basin; the water storage zone is located in the center of the subsidence basin; and the water use zone is located downstream. This method not only restores mine land resources but also achieves multiple objectives, including improving the water environment, conserving water resources, restoring the aquatic ecosystem, ensuring water security, and utilizing water resources.

The invention relates to a water resource safety assessment and future change trend prediction method, which comprises the following steps: constructing an evaluation index system covering four dimensions of resources, society, economy and ecology, and assessing the water resource bearing capacity through an entropy-mutation series method model; a series of key factors including a driving force system, a pressure system, a state system, a response system and water resource safety quantity are selected as the input of the model by grading and selecting significant characteristics of the result structure; determining the input factors as necessary input factors, predicting the correlation between water resource trends through an interpretable algorithm, namely a Sharpley weighting method, and optimizing the model through a random forest and a Bayesian optimization model algorithm; the step tree assigner optimizes the number of input factors. The method is good in adaptability and high in practicability, and a reliable basis is provided for a water resource safety evaluation model and future change trend prediction; the regional water safety level is promoted, the water safety current situation is quantitatively evaluated, and barrier factors are diagnosed to formulate effective protection measures. And sustainable high-quality development is facilitated.

The invention discloses melatonin-chitosan-attapulgite composite gel beads and a preparation method thereof. The preparation method comprises the following steps: S1, treating attapulgite with organic acid to obtain activated attapulgite; s2, dispersing the activated attapulgite into the chitosan acid sol; s3, adding melatonin into the dispersed sol, and mixing in a dark place to obtain colloid; and S4, dropwise adding the colloid into a cross-linking agent, and standing to form gel beads. According to the melatonin-chitosan-attapulgite composite gel bead, the melatonin-chitosan-attapulgite composite gel bead is constructed, the water retention performance of the composite gel bead is excellent, chitosan and attapulgite synergistically improve the water absorption and holding capacity, soil moisture loss is reduced, the water saving effect is remarkable, and the melatonin-chitosan-attapulgite composite gel bead is suitable for agricultural production in water-deficient areas. The composite carrier can slowly release melatonin, prolong the action period of melatonin, regulate and control crop physiology, enhance stress resistance and achieve the dual effects of moisture guarantee and stress resistance regulation and control.

The invention provides an agricultural water safety risk assessment method based on climate change, and the method comprises the steps: sampling the crop distribution data of a target region according to a 0.1-degree spatial resolution, and determining an agricultural risk region affecting the water safety based on a target grid comprising at least one effective pixel; in a set future climate scene, the disastrous property, the exposure degree and the vulnerability of the agricultural risk area are quantified to obtain respective corresponding index data; wherein the disastrous property is used for representing a natural disaster event influencing agricultural water safety; the exposure degree is used for representing the production potential of land and climate affected by natural disaster events; the vulnerability is used for representing the sensitivity and toughness of the agricultural system to natural disaster events; and based on the quantified index data of disastrous, exposure and vulnerability, evaluating the agricultural water safety risk under the future climate scene. According to the method, transferable insights are provided for agricultural water safety risk assessment and sustainable development strategies of similar agricultural ecological regions in the world.

The utility model relates to the field of underground pipe gallery protection devices, in particular to an underground comprehensive pipe gallery protection structure. The utility model provides an improved underground utility tunnel protection structure. The device comprises protection frames, a limiting assembly and a fixing assembly, inclined grooves used for containing water pipes are formed in the back sides of the two protection frames correspondingly, the limiting assembly is arranged between the two protection frames and comprises a connecting piece and an adjusting piece, the detachable connecting piece is connected between the bottoms of the two protection frames, and the adjusting piece is arranged between the connecting piece and the adjusting piece. A clamping piece capable of moving, adjusting and limiting the water pipe is arranged on the connecting piece, and a fixing assembly used for clamping the water pipe is arranged between the protection frame and the clamping piece. Through the synergistic effect of the protection frame, the limiting assembly and the fixing assembly, movement of the water pipe can be effectively limited, the stability of the device in the complex underground environment can be enhanced, then the damage risk caused by external force can be reduced, and the water supply safety of the water pipe is guaranteed.

The utility model relates to the technical field of household appliances, in particular to beverage equipment, and aims to solve the problem that the use experience of a user is affected due to the risk of overflowing of the conventional beverage equipment. In order to achieve the purpose, the beverage equipment comprises a water inlet assembly, a water tank and a brewing assembly, a water level detection component and a mechanical floating ball are arranged in the water tank, the water level detection component is in communication connection with the water inlet assembly, the mechanical floating ball can float along with changes of the water level in the water tank, and the beverage equipment further comprises a sensing element. The sensing element is arranged to be capable of detecting a sensing signal when the mechanical floating ball floats to a set position, and the sensing element is in communication connection with the water inlet assembly. According to the water tank, the sensing element can detect the sensing signal according to the floating position of the mechanical floating ball and transmit the detected sensing signal to the water inlet assembly to close the water inlet assembly, so that water overflowing of the water tank is avoided, the water inlet safety of the water tank is guaranteed, and the use experience of a user is greatly improved.

The application discloses a kind of roofing unpowered siphon drainage method, comprising the following steps: step one, the minimum pipe diameter and helix angle of pipe material are calculated;Step two, the gutter with slope is constructed in building roof;Step three, first drain, second drain and at least one third drain are installed in gutter;Step four, predict rainfall at target time;Step five, select execution strategy;Step six, repeat steps four to five at interval sampling period T.The application also includes a kind of roofing unpowered siphon drainage system.The application not only carries out economic and balanced calculation to system pipeline, but also can improve the safety of roof drainage, to form the pipe material with inclined thread on inner wall in the form of artificial rough pipe, according to the different rainfall in rainfall process, continuously increase, selectively open different number of rainwater bucket, ensure that pipeline forms complete siphon full pipe flow, reduce system pipeline turbulence and noise caused by gas-liquid two-phase flow.

The invention discloses a water area security system for a nuclear power water intake, and relates to the technical field of security. The system integrates hardware equipment and a software module, hardware comprises an infrared panoramic scanning radar, a dual-light heavy-load pan-tilt camera, a laser dazzling expelling device, AIS equipment and the like, and software covers information fusion, a system database and an integrated prevention and control platform terminal. The system can realize the functions of water surface target information acquisition, tracking detection treatment, chart display, intelligent analysis, record playback and the like, quickly identifies illegal ships and warns and expels the ships through the cooperation of a moving target detection technology and multiple devices, can also interact with other security systems in information, meets the expansion requirements, and effectively improves the security level of nuclear power water areas.

The utility model relates to the technical field of daily necessities for pets, in particular to a ceramic pet water feeder with a running water circulation function, which is characterized by comprising an outer basin, an inner cup, a flow guide basin, a running water component and a filter component, the outer basin is an open ceramic basin body, and a positioning groove is arranged at the bottom of the outer basin; the inner cup is a vertically-through ceramic cup body and is horizontally fixed in the outer pot through a positioning groove; the water pump is fixed to the groove bottom of the positioning groove, one end of the water conveying pipe is connected with a water outlet of the water pump, and the other end of the water conveying pipe is provided with a water feeding opening; the diversion basin penetrates through the water pipe and is placed on the upper cup opening of the inner cup, and a round hole for the water pipe to penetrate through is formed in the bottom; the filtering part comprises a water accumulating plate and a filtering basin which can sequentially penetrate through the inner cup and the outer basin to be stably buckled together. Through structural innovation and material optimization, the safety, cleanliness and use convenience of drinking water for pets are remarkably improved.

The invention relates to the technical field of water system simulation, in particular to a water system multi-model coupling simulation method, a water system multi-objective optimization method and computer equipment. The multi-model coupling simulation method for the water system comprises the following steps: acquiring water consumption data of a first simulation time scale output by a water consumption process model of a target water system and an input data format of a second simulation time scale required by a water network dynamic model, and performing time scale conversion on the water consumption data; obtaining a water taking time sequence and a water draining time sequence matched with the second simulation time scale, and performing physical constraint consistency verification; and after the verification is passed, configuring the water taking time sequence and the water draining time sequence as input data of the water network dynamic model, driving the model to perform simulation, and calculating a water safety index, a water environment index and a water ecological index. According to the scheme, the technical problem of bidirectional separation of a water supply and drainage system and an engineering water network system model is solved, and multi-model deep coupling simulation is realized.

This provides a greenhouse gas emission management method that enables businesses to efficiently conduct water security audits. [Solution] In a greenhouse gas emissions management system in which an administrator terminal and multiple business terminals are interconnected via a communication network, a method to support an audit of a business operator's water security by an auditing firm, which is performed by the administrator terminal, involves the administrator terminal's control unit generating report data based on the business operator's water usage data, and generating question data along with the report data, which includes points to be raised regarding anomalies determined based on a comparison with the business operator's past water usage data.

The invention discloses a hydrometric station flow measurement method and system. Flow calculation model parameters are dynamically regulated and controlled based on real-time water level changes so as to compensate the influence of water level fluctuation on flow measurement precision. The sampling point layout is optimized according to the flow velocity distribution characteristics, and sampling data are collected and corrected; the sampling frequency is intelligently adjusted according to the suspended sediment concentration spatial-temporal variation characteristic so as to improve the sediment transportation amount estimation precision; and the ultrasonic or ADCP measurement speed is compensated and regulated according to the temperature and air pressure change so as to reduce the system deviation caused by environmental factors. A total-factor dynamic compensation system is constructed, the limitation of a traditional static mode is broken through through self-adaptive adjustment of a model and a sampling strategy driven by parameters such as the water level, the flow speed and suspended sediment, and the complex water regimen is accurately adapted. And temperature and pressure compensation and equipment self-correction are fused, so that the environmental robustness is enhanced, and stable operation under wide-range variation is ensured. Fine flow prediction is achieved through an intelligent algorithm, a monitoring-analysis-response closed loop is formed, and the initiative and accuracy of drainage basin water safety prevention and control are improved.

The utility model discloses a bubble cleaning device with an automatic vegetable conveying control function, which comprises a bubble cleaning machine main body, and a water circulation treatment device is fixedly mounted at one end of the bubble cleaning machine main body. Circulating water can be filtered through the arranged filtering assembly, sludge in flowing sewage can be precipitated through the arranged inclined panel and the arranged collecting frame, the collecting frame is installed through bolts and is convenient to disassemble for treatment, foreign matter in the sewage can be intercepted and filtered through the arranged L-shaped filtering net plate, and the filtering effect is good. An L-shaped filter screen plate is slidably arranged in a T-shaped sliding groove through a T-shaped plate, so that foreign matters filtered on the L-shaped filter screen plate are conveniently cleaned, a sterilizing assembly is arranged, a sterilizing agent enters a hollow rod through a liquid outlet pipe and is discharged through a liquid distribution pipe, and the cleaning water can be sterilized; therefore, the safety and sanitation of the water are ensured.

The utility model relates to the technical field of thermos, in particular to a thermos capable of outputting water at a constant temperature, which comprises a high-sensitivity detector, a water outlet temperature sensing piece, a heating wire, a thermos and at least two indicator lights, the water outlet temperature-sensing piece is arranged at a water outlet of the hot water kettle, a water receiving level is arranged below the water outlet, the water outlet is provided with a flow guide pipe with a pipe opening facing the water receiving level, the flow guide pipe is provided with a heating cavity along a pipeline of the flow guide pipe, and the heating wire is wound in the heating cavity; when water flows out of the kettle, if the water outlet temperature sensing piece detects that the water outlet temperature is lower than the preset temperature, the heating wire heats water flowing through the flow guide pipe through the heating cavity; the indicating lamps are arranged along the outer edge of the water receiving level, at least one indicating lamp is arranged at the upper end and the lower end of the water receiving level, and the high-sensitivity detector is arranged in the center of the water receiving level. When the high-sensitivity detector senses that the user is close to the received water, the indicating lamp prompts the user in a preset lighting mode; the problem that the water outlet temperature of an existing constant-temperature water heating kettle is too low is solved, and the safety of constant-temperature water outlet is guaranteed.

The invention discloses a pipe network superimposed non-negative pressure water supply device, comprising a turbulence tank, an axis tube and an arc plate, wherein a plurality of support blocks are fixedly provided at equal distances on the outer side of one end of the turbulence tank; a plurality of discharge pipes are connected at equal distances on the side wall of the axis tube, one end of the axis tube passes through the turbulence tank and extends outward to be connected with the discharge pipe, a water pipe is provided inside the axis tube, and the outer wall of the water pipe is fixedly connected to the inner wall of the axis tube by a fixed block. The invention realizes the expansion of the arc plate by adding the axis tube, the water pipe, the top pipe, the discharge pipe, the arc plate, the scraper and the expansion component, so that the scraper contacts the inner wall of the turbulence tank, and then the scraper scrapes and collects the scale on the inner wall of the turbulence tank through the cooperation of the driving component and the fixing component, and after the arc plate is retracted and reset, water is injected into the water pipe to realize the flushing and discharge of the collected scale, reduce the pollution caused by scale falling into the turbulence tank to the water injected again, reduce the discharge of contaminated water, reduce the waste of water resources, and improve the safety of water use for users.

The invention discloses an automatic wastewater treatment device for a laboratory, and relates to the technical field of wastewater treatment, the automatic wastewater treatment device for the laboratory comprises a pouring pool, a water outlet formed in the pouring pool, and an opening and closing plate which is rotatably arranged at a port of the water outlet and has an open state; the siphon is fixedly arranged in the lower water port, an extension cylinder is sleeved on the siphon, and a lower filter plate which is propped against the lower water port is rotationally arranged at the lower end port of the extension cylinder. According to the automatic wastewater treatment device for the laboratory, the space between the bottom end of the movable block and the liquid level of the extension cylinder is used for containing discharged gas, poisonous gas is prevented from being directly discharged to the outside, secondary detection is conducted on the discharged gas through the gas outlet, and therefore the safety of discharged wastewater is further ensured. A limiting space is formed in the reagent box, large precipitates stay in the limiting space, at the moment, a structure similar to a filter element is formed in the limiting space through filling of the precipitates, the reagent is further filtered, and the problem that the precipitates float is solved.

The present invention provides a smart control method for the pre-flood drawdown water levels of a controlled reservoir group, including establishing the drawdown characteristic parameters of the reservoir group and a long-term hydrological data set, simulating the long-term operation drawdown process of the reservoir group, screening the drawdown process sets of different frequency segments of high flow, normal flow, and low flow, extracting the upper and lower envelope lines of the drawdown processes of the reservoir group in different frequency bands, and constructing a smart control rule base for the pre-flood drawdown process of the reservoir group; the beneficial effects are as follows: By constructing a smart control rule base for the pre-flood drawdown process of the reservoir group, while giving full play to the water resource regulation ability of the reservoir group between wet and dry seasons, a smart control rule for the drawdown water levels of the reservoir group is provided to cope with different inflow conditions of high flow, normal flow, and low flow and the water level change trends at different stages during the drawdown period, effectively meeting the requirements for improving the water security and energy security guarantee capabilities in the face of frequent extreme events such as consecutive droughts in winter, spring, and summer and rapid alternation of drought and flood in the new situation, and providing technical support for the safe and efficient utilization of water resources in the new stage.

The utility model discloses a water body treatment assembly for crayfish breeding, and relates to the technical field of crayfish breeding. The device comprises a foundation, a treatment assembly and a circulation assembly, the upper end face of the foundation is provided with a culture pond and a water storage pond, the circulation assembly is arranged on the upper end face of the foundation between the culture pond and the water storage pond, the treatment assembly is arranged in the water storage pond, and the treatment assembly comprises a plurality of treatment cylinders. According to the utility model, through the arrangement of the treatment assembly, in the process of pumping the culture water in the culture pond into the reservoir, the culture water in the water distribution pipe is divided into the plurality of treatment cylinders through the plurality of secondary water pipes, and the culture water in the plurality of treatment cylinders sequentially flows through the filter screens and the filter sheets in the two treatment plates; and the filter screen and the filter sheet can respectively treat physical factors and biological factors of turbid aquaculture water, so that the pumped aquaculture water becomes clean and clear after being treated by the treatment assembly, and the safety of the aquaculture water is ensured.

The utility model relates to the field of plug-in technology especially, and more particularly to connecting device and plug-in equipment with drainage storehouse, the connecting device and plug-in equipment with drainage storehouse of the utility model improve on the basis of existing plug-in equipment, and design independent space to isolate the different electricity properties of the plug pin, avoid the same plug storehouse in the waterlogging and lead to short circuit thing to happen. In addition, the drainage pipe is separately arranged in the shell, and the waterlogging in the independent space of the same electrified property in different plug stores is discharged by the drainage pipe, and each drainage pipe is provided with a switch mechanism, and such design can realize that all the drainage pipes can discharge water outward according to the demand, avoid that different drainage pipes form the conductive loop mutually, reduce the short circuit risk. At the same time, the active drainage mode is adopted, and such design can make the staff discharge water according to the actual situation, which is favorable to guarantee the safety of drainage.

The invention relates to a control method and device of a mineralization water purification system, the mineralization water purification system, a computer readable storage medium and a computer program product. The system comprises a pure water branch and a backflow branch, wherein the pure water branch comprises a reverse osmosis device and a mineralization filter element which are communicated in the direction from a water inlet to a water outlet; the backflow branch comprises a backflow control assembly located between the input end and the output end, the input end is communicated to the side, close to the water outlet, of the mineralization filter element, and the output end is communicated to the side, close to the water inlet, of the reverse osmosis device; the backflow control assembly is used for controlling on-off of the backflow branch. The method comprises the following steps: acquiring a conductivity parameter of water in a mineralization filter element and standby time of the mineralization water purification system under the condition that the mineralization water purification system is in a standby state; determining a backflow interval duration according to the standby duration and the conductivity parameter; and when the standby duration reaches the backflow interval duration, the backflow control assembly is started. By adopting the method, the water outlet safety of the mineralized water purification system can be improved.

The invention relates to the technical field of bridge frames, in particular to a water tank bridge frame assembly and an installation method. Comprising a lower bridge used for arranging cables and a cover type bridge used for draining water, the end portions of the lower bridge are provided with penetrating holes used for penetrating cables, the cover type bridge is arranged on the lower bridge in a covering mode, and the two sides of the lower bridge are connected with fastener mechanisms used for installing the cover type bridge at equal intervals. The drainage diversion mechanism with the upper layer and the lower layer is adopted, drainage efficiency is effectively improved, normal operation of a drainage system is guaranteed, safety and stability of cable laying are also guaranteed, the installation method not only improves construction efficiency and quality and reduces construction cost and maintenance cost, but also prolongs service life of assemblies, and the installation method is suitable for popularization and application. The installation method has the advantages that the installation method is simple, the economic benefit and the social benefit are remarkable, meanwhile, the safety and the stability of cable laying and drainage are improved, and positive influences are brought to the society.

The objective is to provide a method for businesses to efficiently conduct water security audits. [Solution] An embodiment of the present invention provides a method for supporting an audit of a business operator's water security by an auditing firm, which is performed by a management terminal, wherein the control unit of the management terminal determines the investigation format of the report to be generated for the auditing firm, refers to the business operator's water usage data, and generates report data based on the investigation format and the business operator's water usage data.

The utility model discloses an automatic water drinking device for breeding beef cattle, which comprises a mounting bracket, a water storage tank is fixed at the top of the mounting bracket through bolts, an overflow mechanism is arranged in the water storage tank, a water replenishing mechanism is arranged on the inner wall of the mounting bracket, and a water outlet is formed in the water replenishing mechanism. The water supplementing mechanism comprises a supporting block, a water tank, a water inlet pipe, a water pump, a water conveying pipe, a control valve, a water collecting tank and a filtering plate, a filtering mechanism is arranged in the water tank, and a sewage draining mechanism is arranged on one side of the water collecting tank; through the water supplementing mechanism, the overflow mechanism and the filtering mechanism, circulating filtering treatment on drinking water is achieved, water in the water storage tank can be continuously filtered, the water in the water storage tank is always in a clean state, beef cattle are prevented from drinking polluted water, the drinking health degree of the beef cattle is guaranteed, and the drinking safety of the beef cattle is improved; the beef cattle illness probability is reduced, the beef cattle quality safety is improved, and then the practicability of the device is improved.

The integrated water treatment equipment comprises a base, a sieve plate, a main gear and a fixed water pipe, an electric box is fixedly connected to the upper side of the right end of the base, a linkage gear is fixedly connected to the left end of the electric box, and a clamping groove in the outer side of the sieve plate is connected to the inner side of the upper end of a sewage tank body. The rear end of the main gear is in meshed connection with a linkage gear, and a clamping groove in the outer side of the lower end of the fixed water pipe is connected with an ultraviolet irradiation pipe. According to the integrated water treatment equipment capable of sterilizing and disinfecting for multiple times, the screen can be detached to be cleaned or replaced, the situation that the screen is used for a long time and the filtering effect becomes poor is avoided, water can be sterilized and disinfected for multiple times, the stability of the water quality is guaranteed, the safety of the water in use is guaranteed, and an ultraviolet sterilization lamp can be rapidly detached to be maintained; the situation that the sterilization effect of the ultraviolet sterilization lamp becomes poor and the safety of water cannot be guaranteed is avoided.

The present invention relates to the technical field of drinking water safety, and discloses a method for monitoring and early warning of quantity and quality of rural drinking water safety, comprising: obtaining water quality monitoring data of a delivery source and water quality monitoring data of an upstream area; obtaining drinking water pipeline data for rural drinking water; judging whether the water quality monitoring data of the upstream area is abnormal, and if so, repairing the water quality of the upstream area; otherwise, judging whether the water quality monitoring data of the delivery source is abnormal, and repairing the water quality monitoring data of the delivery source; otherwise, judging whether the drinking water pipeline is aged by establishing a comprehensive aging assessment model for the drinking water pipeline, and judging whether the water quality monitoring data of the drinking water pipeline outlet is related to the aging of the drinking water pipeline; the method improves the speed of water quality safety repair and the safety of rural drinking water by accurately locating the location of water quality safety problems.

The utility model provides a water purifier with a nuclear radiation monitoring function, which relates to the field of drinking water equipment and comprises a nuclear radiation detection device, a control device, a water inlet pipeline, a valve, a water outlet, a first water outlet pipeline and a second water outlet pipeline. The nuclear radiation detection device is used for detecting the nuclear radiation concentration of the water purifier, the water inlet pipeline is connected with the nuclear radiation detection device, the nuclear radiation detection device is connected with the control device, the control device is connected with the valve, the control device is used for switching the opening and closing states of the valve, and the valve is connected with the first water outlet pipeline and the second water outlet pipeline. Under the condition that the nuclear radiation concentration is smaller than the preset concentration, the water inlet pipeline is communicated with the first water outlet pipeline; and when the nuclear radiation concentration is greater than or equal to the preset concentration, the water inlet pipeline is communicated with the second water outlet pipeline. Therefore, the water purifier can monitor the nuclear radiation concentration in water in real time, and the safety and purity of effluent are ensured.

The present application belongs to the technical field of roof drainage component, and discloses a kind of siphon roof drainage's auxiliary drainage system and its drainage method, siphon roof drainage's auxiliary drainage method includes: pressure sensor real-time collection siphon drainage riser or gutter water pressure, if current water pressure exceeds the set critical value, start and open the auxiliary baffle connected with auxiliary system preloading device, and water is accumulated in roof and gutter, and is discharged to ground. By adjusting the position of spring in auxiliary system preloading device, the pre-pressure of auxiliary baffle is set, the position of auxiliary baffle behind spring is adjusted relative to the axial direction of spring, and the opening pressure is realized. The present application effectively improves the pressure of riser and gutter under full-flow condition of pipe network, avoids causing roof or building area water; actively provides the drainage capacity of siphon system, changes the passive drainage state of siphon system, improves the safety of system drainage, and ensures the safety of building.