15 results about "Water security" patented technology

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.

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 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 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 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 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 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 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 utility model relates to a sponge city environment-friendly rainwater collecting well convenient to clean. The sponge city environment-friendly rainwater collecting well comprises a well chamber, a water collecting hatch cover plate support, a water collecting hatch cover plate, a slag removal basket, a permeable partition plate, a drainage hatch cover plate, a handle, a rainwater connecting pipe and a clamping strip. The well chamber comprises a well chamber front plate, a well chamber rear plate, a well chamber left plate, a well chamber right plate, a well chamber bottom plate, a well chamber top plate, well chamber lintels and well chamber tenons; the slag removal basket comprises a slag removal basket bottom plate and a slag removal basket side plate fixed to the edge of the slag removal basket bottom plate, and water leakage holes are formed in the slag removal basket bottom plate and the slag removal basket side plate. The drainage water quality is greatly improved, the environmental protection performance is excellent, and the risk that the rainwater collecting well is blocked and cannot drain water is greatly reduced; no matter in heavy rain or light rain, it can be guaranteed that rainwater is drained smoothly, and meanwhile various kinds of garbage can be effectively intercepted; the openable drainage cabin cover plate is adopted, so that the problem that garbage accidentally entering the drainage cabin cannot be overhauled is solved, and the drainage safety and reliability are further improved.