35 results about "Water cost" patented technology

The invention discloses an Internet of Things intelligent water meter capable of working without power supply. A mechanical water meter has the functions of supplying water, metering, uniformly displaying water supply metering and closing a valve; the superposed circuit on the mechanical water meter has the functions of charging, fee display, management and valve opening; a valve capable of being automatically closed without electricity when control is not added is installed on a water supply channel in the water meter, the condition that water charge closed-loop management water supply conditions are not met when water charge is not received, the valve is attacked and damaged, mechanical faults, circuit faults and battery power shortage and shortage are caused, and the valve is automatically closed without electricity after one round of water supply is completed; the circuit converts the supplied water volume physical quantity into the collected electronic digital currency quantity in each round of water supply process, and the water meter is recovered to a new round of water supply initial state after charging; closed-loop payment exchange between physical goods and electronic currency is realized; the mechanical / electronic double-metering and double-display mode that mechanical metering of an existing electronic water meter is electromechanically converted into electronic metering and then secondarily converted into electronic currency is changed; and no pulse equivalent exists.

The invention relates to the technical field of circulating water treatment of hot rolling plants in the steel industry, and particularly discloses a hot rolling turbid circulating water pool and laminar flow water pool cascade system and a working method.The hot rolling turbid circulating water pool and laminar flow water pool cascade system comprises a turbid circulating water supply system and a laminar flow water supply system, the turbid circulating water supply system is provided with a lifting water pool and a turbid circulating water pool, and the lifting water pool is connected with the turbid circulating water pool through a pipeline; an overflow port is formed in the side wall of the turbid circulating water tank; the laminar flow water supply system is provided with a laminar flow water tank and a bypass pipe, an overflow port of the turbid circulating water tank is connected with the laminar flow water tank through an overflow pipe, water overflows to the laminar flow water tank when the water level in the turbid circulating water tank reaches a set height, the laminar flow water tank is connected with the lifting water tank through the bypass pipe, and the lifting water tank receives bypass water of the laminar flow water tank; the water level difference between the turbid circulating water pool and the laminar flow water pool is utilized, natural flowing of overflow water is achieved, high efficiency and energy conservation are achieved, and the new water cost is reduced; through automatic control, stable operation of the system is ensured, and the safety and reliability of the system are improved; hot rolling plant circulating water treatment is efficient, energy-saving and environment-friendly.

This utility model discloses an auxiliary device for distinguishing the sex of sturgeon, including a workbench. A water trough plate is fixedly connected to the bottom surface of the workbench, and a circulation component is provided on the bottom surface of the water trough plate. A support plate is fixedly connected to the top surface of the workbench, and a hydraulic rod is fixedly connected to the top surface of the support plate. Through the circulation component, this utility model allows water to be sprayed onto the sturgeon by a nozzle during use. The water flows from the water outlet into the interior of the water trough plate, through the outlet pipe into the interior of the filter box, where it is filtered by a filter screen. The filtered water then enters the interior of a storage tank. A water pump transports the water from the storage tank through the inlet pipe to the interior of the placement rack, where the nozzle sprays water onto the sturgeon again, thus forming a complete water circulation system. This achieves water resource reuse, saving water costs and providing a stable and clean water environment for sturgeon identification.

The utility model discloses a kind of washing basin reuse water recovery devices, including washing basin in water closet and water-saving tee valve are connected by connecting lock cap connection, reuse water outlet pipe is connected in the water-saving tee valve side face outlet connection setting, the water storage device is set in the reuse water outlet pipe water outlet end below, the water-saving tee valve bottom surface outlet connection is provided with useless water outlet pipe, useless water outlet pipe water outlet end below and floor drain or sewage pipeline connection. Whether it needs to be recycled to water can be selected according to needs, so that the recycled water can continue to be used, water cost can be effectively saved, it is stronger in practicality, convenient to use.

The present invention relates to a method for controlling scaling in a coal-fired unit's slag removal system. Based on the quality characteristics of commonly used water and the leaching concentration of slag ions, the method measures the concentration rate of key ions that contribute to scaling in the slag removal machine. The method also calculates the initial overflow water volume and the corrected replenishment water volume to control the concentrations of several key ions in the slag water in the slag removal tank that affect scaling, thereby reducing scaling. The present invention has the beneficial effects of reducing chemical consumption, lowering the workload of manual descaling, slowing scaling rates, and rationally controlling water costs.

The utility model belongs to the technical field of agriculture, and provides an agricultural economic water-saving device which comprises an installation plate, supporting grooves oppositely installed at the upper end of the installation plate, a water tank arranged between the two supporting grooves, a water outlet pipe communicated with one side of the water tank, a water pump arranged at the upper end of the installation plate, an input end of the water pump communicated with the water outlet pipe, and an output end of the water pump communicated with a pipeline. Nozzles are arranged on the outer surface of the pipeline. Rainwater is effectively collected through the water tank in rainy days, reasonable utilization of water resources is achieved, irrigation water source supply is increased, and dependence of agricultural production on underground water or surface water is reduced, so that water cost is saved, water resource environment protection is facilitated, sustainable development of agricultural production is achieved, and the ecological agriculture development requirement is met. The filter screen can effectively intercept sundries such as fallen leaves, branches and soil, it is ensured that rainwater entering the water tank is relatively clean, and the rainwater collecting quality is improved.

The utility model relates to the technical field of water treatment, in particular to a structure capable of automatically adjusting dosing concentration for regeneration of a condensate polishing mixed bed. The structure comprises a tap water conveying pipeline, a compressed air conveying pipeline, an automatic dosing system, a mixed bed body and a mixed ion exchanger, the automatic dosing system comprises an anion resin regeneration ejector, an anion resin adjusting pipeline, a cation resin regeneration ejector and a cation resin adjusting pipeline, a regenerated water inlet branch pipe adopts raw water as a regeneration medium, and a backwashing pipeline and a cation resin conveying pipeline are shared, so that the construction cost is saved; on the basis of an anion resin regeneration ejector and a cation resin regeneration ejector, an anion resin adjusting pipeline and a cation resin adjusting pipeline are additionally arranged, it is guaranteed that liquid medicine at the suction end is sufficient, and the maximum supply flow is larger than the flow needed by the target concentration, by means of the technical scheme, the regeneration quality of a mixed bed body can be improved, and the purpose of saving water is achieved; the water production cost per ton of the mixed bed body is reduced.

The utility model provides a water-saving cooling tower which comprises a closed cooling tower and an open cooling tower which are communicated front and back, the closed cooling tower comprises a support frame, a plurality of finned tube bundles arranged on the support frame and a plurality of first fans arranged among the finned tube bundles, the open cooling tower comprises a base, a plurality of water passing cavities formed in the base and a water collecting tray arranged at the bottom of the base, filler is arranged in the water passing cavities, and a second fan is correspondingly arranged at the top of each water passing cavity. The cooling tower has the following technical effects that the closed cooling tower and the open cooling tower work cooperatively, so that the heat dissipation capability is remarkably improved, and the high-load cooling requirement is met. The closed cooling tower is free of water evaporation, the open cooling tower reduces water consumption through optimization design, and the water saving rate of the whole system reaches up to 85% or above. And an efficient fan and a variable-frequency intelligent control system are adopted, so that energy consumption is optimized, and operation cost is reduced. And through the water-saving and energy-saving design, the water fee and the electricity fee expenditure are obviously reduced.

The utility model discloses a water outlet device which comprises a body, a switching shaft and an operating piece. The body is provided with a water inlet hole and a water outlet channel, and the water outlet channel is provided with a water passing hole; the switching shaft is provided with a water passing channel and is suitable for sliding between a first position and a second position, when the switching shaft is located at the first position, the switching shaft abuts against the opening of the water passing hole, the water inlet hole, the water passing channel and the water passing hole sequentially pass water, and when the switching shaft is located at the second position, the switching shaft is far away from the opening of the water passing hole, the water inlet hole and the water passing hole sequentially pass water. Due to the fact that the water passing area of the water outlet end of the water passing channel is smaller than that of the water passing hole, when the switching shaft is located at the first position, flow is small, throttling is achieved, when the switching shaft is located at the second position, flow is increased, water pressure is increased, a pressurization mode is achieved, the throttling mode can be achieved under the condition that the pressurization mode is reserved, the service life is prolonged, and water cost is reduced. And the method is suitable for more users. The operating piece is installed on the body and suitable for being connected with the switching shaft to enable the switching shaft to slide, and use is more convenient.

The utility model discloses a multifunctional water leakage intelligent water cut-off direct water dispenser which comprises a shell, the shell is provided with an installation cavity and a water leakage storage cavity which are communicated with each other, the water leakage storage cavity is located below the installation cavity, the water leakage storage cavity is provided with two water leakage level sensors, and the two water leakage level sensors are arranged up and down; the two leakage water level sensors are respectively a high water level sensor and a low water level sensor; the water dispenser water path is provided with a raw water inlet pipe, the raw water inlet pipe is provided with a water leakage switch, and the water leakage switch is used for controlling the connection and disconnection of the raw water inlet pipe; the water leakage switch is configured to be turned off when the time interval of the signals sent by the two water leakage water level sensors is smaller than a specified value. According to the scheme, the water cost can be prevented from being greatly increased, leaked water can be prevented from overflowing to a great extent, and indoor attractiveness and neatness are guaranteed.

The invention relates to an efficient multifunctional spraying maintenance trolley for tunnel secondary lining construction and a maintenance method, the efficient multifunctional spraying maintenance trolley comprises a supporting frame, the outline of the supporting frame is matched with the section shape of a tunnel, the supporting frame is provided with multiple layers of distributed operation platforms in the height direction, and the middle of the supporting frame is provided with a through channel for a construction vehicle to pass through; the spraying system comprises a water retaining structure arranged in the circumferential direction of the supporting frame, a plurality of spraying units arranged on the water retaining structure and a first water storage tank arranged on the supporting frame and used for supplying water to the spraying units; through the fluid recovery system integrating the first collection device and the second collection device, redundant spray water can be automatically collected, filtered and recycled. The problems that water resources are seriously wasted, the environment is wet and slippery due to water flowing and the cleaning difficulty is large are solved, and meanwhile the water using cost is reduced.

The utility model discloses PCB (printed circuit board) cleaning water recycling equipment which comprises a first filtering device, a water collecting component, a water draining component and a self-cleaning device, the water collecting component comprises a water collecting pipe and a plurality of water collecting grooves, a water collecting main pipe comprises a water collecting main pipe and a plurality of water collecting branch pipes, and the water collecting main pipe is connected with the water collecting branch pipes through a plurality of first three-way ball valves; a water inlet and a water outlet are formed in the first filtering device, the drainage component comprises a drainage pipe, the drainage pipe comprises a drainage main pipe and a plurality of drainage branch pipes, and the drainage main pipe is connected with the drainage branch pipes through a plurality of three-way ball valves II. A manufacturer can improve the proportion of filtered water in the cleaning water, the water cost is saved, and the PCB yield is increased.

The utility model discloses a rock sampling and screening device for a mine geological experiment, which is characterized by comprising a bottom box, a cover plate is arranged at the top of the bottom box, a screening and collecting barrel is arranged at the top of the cover plate, and a rotary screening mechanism is arranged in the screening and collecting barrel; the rotary screening mechanism comprises a screening net cylinder, a dense filtering net is arranged in the bottom box, and a collecting net plate is arranged at the top of the dense filtering net; the screening net cylinder is located on the top of the collecting net plate. Symmetrical spraying and recycling mechanisms are arranged on the left side and the right side of the screening and collecting barrel correspondingly. A water pump is arranged on the spraying and recycling mechanism and used for pumping water in the bottom box upwards to the side edge of the screening and collecting barrel for spraying. By means of the device, recycling of spraying water is achieved, the water using cost is reduced, and water resources are saved; meanwhile, the debris and the rock sample are filtered and separated, the debris is prevented from being adhered to the surface of the rock sample, the cleaning difficulty of the rock sample is reduced, and the influence on the detection result of the rock sample due to the adhesion of the debris is prevented.

The invention discloses a water consumption optimization method for a low-bath-ratio dyeing process. The method comprises the following steps: obtaining no-load water quantity V1, water quantity V2 of an inner cavity of a dyed object, water carrying quantity V3 of the dyed object, backflow water quantity V4, water demand quantity V5 of a chemical material and supplementary water quantity V6 required to be supplemented by different processes; calculating the minimum water volume Vm1 required by the initial operation of the first dye vat, wherein the minimum water volume Vm1 is the sum of V1, V2, V3, V4, V5 and V6; the minimum water volume Vm2 needed by each dye vat from the second dye vat to the last dye vat is calculated, and the minimum water volume Vm2 is the sum of V1, V2, V4, V5 and V6; and calculating the optimizable water volume V0 of the dye vat, wherein the optimizable water volume V0 is the difference between the initial preset water injection volume of each dye vat and the minimum water volume Vm1 or the minimum water volume Vm2. According to the method, the extreme dyeing low bath ratio can be achieved, and the purposes of saving water consumption and reducing water consumption cost are achieved.

The utility model relates to a kind of pure water supply device, including transparent plastic bucket, the inner bottom wall rotation of transparent plastic bucket is connected with pivot, the top of pivot is penetrated the top of transparent plastic bucket, and with transparent plastic bucket rotation is connected, the top of transparent plastic bucket is provided with motor, the output end of pivot is fixedly connected with the motor of top, the outer wall of transparent plastic bucket is connected with water outlet pipe, and transparent plastic bucket passes through the pivot.The pure water supply device, by setting flow limiting mechanism, the flow of water out of water storage container can be limited, solves the flow of pure water storage container cannot be controlled, when facing different supply objects, water needs to be replenished according to demand, when a large amount of water is not needed, the device still continues to discharge water with large flow, the excess water will be directly discharged, causing water resource waste, increasing water cost and sewage treatment burden and other problems.

The invention belongs to the technical field of cleaning equipment, and particularly relates to a cleaning robot base station with a water circulation system, which comprises a shell assembly internally provided with a cavity, an air moisture absorption assembly for producing water through air, and a water storage filter assembly for realizing water circulation, the shell assembly is used for containing the air moisture absorption assembly and the water storage filtering assembly. Due to the arrangement of the air moisture absorption assembly and the water storage filtering assembly, the cleaning robot base station can obtain clear water from air, sewage can be converted into clear water to be stored in the clear water tank, and the ways for obtaining clear water resources of the cleaning robot base station are increased. The humidity can be reduced, water can be saved, and the water using cost of a user is reduced by taking water from air. In addition, the clean water tank and the sewage tank of the cleaning robot base station are of a detachable structure, the user can pull out the sewage tank and the clean water tank for cleaning, and the user can also inject water into the sewage tank and the clean water tank through an external water injection source.

The utility model provides a mechanical counter for an electronic type water meter, which comprises a shell, a transparent plate is arranged at the top of the shell, an upper clamping plate and a lower clamping plate are respectively arranged in the shell, a mechanical counting device is arranged between the upper clamping plate and the lower clamping plate, a stepping motor is arranged on the lower clamping plate, and the stepping motor is connected with the transparent plate. A stepping motor is installed in the lower clamping plate, the stepping motor is connected with a mechanical counting device, a circuit board is installed between the lower clamping plate and the shell, the stepping motor is electrically connected with the circuit board, the circuit board is electrically connected with a power source, and the circuit board is in signal connection with an electronic water meter. When the electronic water meter is continuously used due to unforeseen circumstances and exceeding the service life, the water volume data of the electronic water meter before power failure is kept in the character wheel and the pointer which are mechanically displayed, and the display mode of the mechanical character wheel and the pointer is accepted by vast water users, so that water fee disputes are avoided.

The invention relates to the technical field of self-service high-pressure cleaning, and discloses a community water recovery-based double-payment self-service high-pressure cleaning device which comprises an equipment shell, the outer wall of the equipment shell is fixedly connected with a water gun connecting pipe, and the water gun connecting pipe is detachably connected with a high-pressure water gun and a gun stock; the high-pressure water gun and the gun stock are detachably connected with an equipment shell, a water tank is fixedly connected into the equipment shell, a booster water pump is fixedly connected into the equipment shell, and the input end of the booster water pump is fixedly connected and communicated with the water tank. Waste water (reclaimed water) generated by the community water vending machine serves as a cleaning water source and is recycled to the water tank through the water inlet hole to be utilized, secondary circulation of the waste water is achieved, consumption of fresh water resources by cleaning service is reduced, community reclaimed water which is extremely low in cost and even zero in cost serves as the water source, compared with tap water, the water cost is reduced, and the water resource utilization rate is increased. Water resources can be better saved, and waste of the water resources is avoided.

The invention discloses water-saving high-speed extrusion type low-bath-ratio washing equipment, which relates to the technical field of cloth washing equipment, and comprises a charging barrel and auxiliary plates A on brackets on two sides of the charging barrel, and further comprises U-shaped guide pieces on the auxiliary plates A and used for limiting and guiding cloth; the traction wheel is used for conveying cloth, and the first assembly is used for extruding the cloth discharged from the cylinder; the first assembly extrudes the cloth in the discharging barrel, water adsorbed by the cloth can be guided back into the water washing barrel again, and the water carrying amount when the cloth is taken out is directly reduced; according to the design, the loss of water resources is reduced from the source, the water expense caused by frequent water replenishing is reduced, and meanwhile, the energy consumption of a water treatment link is reduced; and moreover, the water carrying amount is greatly reduced after the cloth is extruded, and the water flowing to the ground is obviously reduced, so that the problem that the ground of a working area is wet and slippery is effectively avoided, the risks of slipping and falling injury of workers are reduced, and economic loss and personnel injury possibly caused by safety accidents are reduced.

The invention discloses an industrial water-saving intelligent regulation and control method and system based on multivariate perception information fusion, and the method comprises the steps: fusing multi-sensor heterogeneous data through a protocol conversion gateway, carrying out the storage optimization, cleaning and denoising of a distributed time sequence database, and dynamically calculating the weight of parameters, such as temperature and pH value, through a fuzzy analytic hierarchy process; when the conductivity exceeds a threshold value, a Kalman filtering algorithm is triggered to perform multi-source data fusion, a high-confidence state evaluation result is obtained, a high-concentration-multiple operation mode is further matched to generate a regulation and control scheme, and finally a water treatment instruction is issued through an automatic allocation mechanism. According to the method, efficient integration of multi-source heterogeneous data and dynamic weight distribution of working condition self-adaption are achieved, the problems of information isolated island and regulation lag in a traditional method are solved, the accuracy and robustness of system state evaluation are remarkably improved, water saving decisions can be automatically optimized under the high-concentration-multiple working condition, the water resource recycling efficiency is effectively improved, and the method is suitable for large-scale popularization and application. And the water cost is reduced.

The invention discloses a novel Internet of Things intelligent water meter capable of working without power supply. A mechanical water meter has the functions of supplying water, metering, uniformly displaying mechanical metering and closing a valve; the superposed circuit on the mechanical water meter has the functions of charging, fee display, management and valve opening; a valve capable of being automatically closed without electricity when control is not added is installed on a water supply channel in the water meter, the condition that water charge closed-loop management water supply conditions are not met when water charge is not received, the valve is attacked and damaged, mechanical faults, circuit faults and battery power shortage and shortage are caused, and the valve is automatically closed without electricity after one round of water supply is completed; the circuit converts the supplied water volume physical quantity into the collected electronic digital currency quantity in each round of water supply process, and the water meter is recovered to a new round of water supply initial state after charging; closed-loop payment exchange between physical goods and electronic currency is realized; the mechanical / electronic double-metering and double-display mode that mechanical metering of an existing electronic water meter is electromechanically converted into electronic metering and then secondarily converted into electronic currency is changed; and no pulse equivalent exists.

The utility model discloses a regulating reservoir for treatment of breeding tail water, which relates to the technical field of tail water treatment and comprises a regulating reservoir, a motor is arranged in the regulating reservoir, the output end of the motor is rotatably connected with a discharge pipe, the top of the regulating reservoir is fixedly connected with a storage tank, and the bottom of the storage tank is fixedly connected with a connecting pipe. A plurality of sets of discharging holes are formed in the outer wall of the discharging pipe, and the tail end of the discharging pipe is fixedly connected with a discharging nozzle. Through rotation of the motor, the belt and the belt pulley, the discharging pipe rotates in the adjusting tank, an indoleacetic acid solution uniformly flows into the adjusting tank after flowing into the discharging pipe, and meanwhile, when the discharging pipe rotates, the outer wall touches and pokes the rotating blades, so that the indoleacetic acid solution is fully mixed with breeding tail water, and the breeding tail water is fully mixed. Through the structure, the technical problems that the cost is high and pollutants are difficult to comprehensively remove when the tail water is treated by physical precipitation and chemical agents are solved.

This invention relates to the field of building construction technology and discloses a building structure. By installing a first and second flow-guiding component on the top of the building unit, during rainfall, the first and second flow-guiding components collect the rainwater from the top of the building unit into a water storage unit, where it is purified by a water purification unit to provide water for the soaking tub unit, thereby reducing water costs and conserving water resources. Secondly, using the first and second flow-guiding components as a framework, a cooling unit is installed on them. The cooling unit and the water storage unit or water purification unit form a water cycle, using the low-temperature water in the storage unit or purification unit to cool the building unit. This allows the building structure to have sun protection and heat insulation effects on sunny days, reducing the temperature of the top-floor rooms; and on rainy days, it can be combined into a rainwater collection device to provide a large amount of clean water for the soaking tub unit, achieving green, low-carbon, and sustainable development.

The invention belongs to the technical field of household appliances, and discloses cleaning equipment and a control method of the cleaning equipment, the cleaning equipment comprises a first cleaning machine, a second cleaning machine, a first water path and a second water path, the first cleaning machine comprises a washing container and a water inlet; the first water path and the second water path are both connected with the water inlet and the second cleaning machine in an on-off mode, and the washing container is arranged on the second water path and located between the water inlet and the second cleaning machine. When the first cleaning machine operates, the water inlet supplies water into the washing container through the second water path so as to carry out cleaning operation; after the washing container is cleaned, washing water in the washing container can be discharged into the second cleaning machine, and the second cleaning machine is used for cleaning when running, so that water resources are recycled, and the problem of water resource waste caused by the fact that various cleaning machines are provided with independent water feeding and discharging mechanisms in the prior art is solved; the cleaning water is fully utilized, the water expense is reduced, and the user experience is improved.

The utility model discloses a filter net sleeve cleaning water recycling device in the field of sewage treatment. The filter net sleeve cleaning water recycling device comprises a cleaning water collecting tank, a primary sedimentation tank, a primary basket filter, a primary delivery pump, a secondary sedimentation tank, a secondary basket filter, a secondary delivery pump, a delivery pipeline and the like. The sewage recycling device can be used for recycling sewage for cleaning the filter net sleeve, sewage discharge is reduced, waste of water resources is reduced, and therefore the water cost for cleaning the filter net sleeve is reduced.

The application relates to the field of data analysis, in particular to a water consumption analysis method and device, electronic equipment and a storage medium, which comprises the following steps: acquiring water consumption data, wherein the water consumption data is the total actual water consumption in a current period; determining a current water consumption stage corresponding to the current period according to the water consumption data; determining an added water consumption according to the water consumption data and historical water consumption data; determining an added water fee according to the current water consumption stage and the added water consumption, wherein each water consumption stage corresponds to each charging standard; generating added water consumption information according to the added water consumption and the added water fee, and feeding back the added water consumption information. The application has the effect of facilitating user checking of water consumption.

The application discloses a water purifier with a wastewater recirculation system, and relates to the technical field of water purifiers; the water purifier comprises a water purifier shell body, one end of an inner cavity of the water purifier shell body is provided with a water purifier main body, and the other end of the inner cavity of the water purifier shell body is provided with a wastewater recirculation mechanism, and one end of the wastewater recirculation mechanism is provided with a limiting mechanism used in cooperation; through the cooperation of the wastewater recirculation mechanism and the limiting mechanism, hair and other impurities in wastewater generated during bathing in a bathroom can be intercepted, and the filtered wastewater can be introduced into a water storage tank for temporary storage, so that the toilet can be flushed in the later period, the recycling of the bathing wastewater is realized, the functionality and practicality of the water purifier are effectively improved, the household water cost is reduced, and water resources are saved; in addition, the installation and dismounting of the sealing cover plate are facilitated, the replacement of the arc-shaped filter plate and the cleaning of hair and other impurities in the filter frame body are facilitated.

The application discloses a kind of prepayment water meter water leakage detection devices of split mounting, it is related to water meter water leakage detection technical field, including meter body, the meter body back is fixedly installed with water inlet pipe, the meter body front is fixedly installed with water outlet pipe, the water outlet pipe front is fixedly installed with connecting pipe, the meter body top is fixedly installed with dial, the water outlet pipe inner wall is provided with water leakage detection equipment, the water outlet pipe inside is provided with detection anti-blocking mechanism, by water leakage detection device, water leakage problem in water meter or pipeline system can be found in time, unnecessary water resource waste is avoided, to help user reduce water fee expenditure in turn, while the timely feedback of water leakage detection device can help user and property or repair personnel find water leakage point early, repair water leakage problem in time.

The utility model discloses a water dispenser, and relates to the technical field of household appliances, the water dispenser comprises a housing, a water adding tank and a filtering structure, the housing is provided with a first water outlet, the water adding tank is fixedly arranged on the housing, a first water cavity and a second water cavity are formed in the water adding tank, and the filtering structure is arranged in the first water cavity. The second water cavity is connected with the first water outlet and selectively communicated with the first water outlet, the filtering structure is arranged in the water adding tank and communicated with the first water cavity and the second water cavity, and the first water cavity is located above the second water cavity. And water in the first water cavity flows into the second water cavity through the filtering structure under the action of gravity. According to the water dispenser, water can be directly added into the water adding tank of the water dispenser, the installation position of the water dispenser is not limited by a water source, the filtering structure is arranged in the water adding tank, water in the water dispenser can be directly drunk after being filtered, the water drinking cost can be reduced, and a user can drink water conveniently.

The utility model relates to the technical field of coal mine gas mining equipment, in particular to a dust suppression structure for drilling a gas hole in a coal mine, which comprises a dust suppression device, a dust blocking barrel and a deslagging conical barrel, the upper end of the settling barrel is provided with a water return pipe capable of recycling clear water on the upper layer of the settling barrel to the dust falling device, and the settling barrel and the water return pipe are utilized to solve the technical problems of high water cost and serious pollution caused by the fact that a large amount of water is required to be used for separating coal dust and gas generated in the process of drilling a gas hole in a coal mine by utilizing water mist.