393results about How to "Meeting water needs" patented technology

The invention discloses novel ultra-large-displacement ultrahigh-pressure well cementing equipment. The novel ultra-large-displacement ultrahigh-pressure well cementing equipment comprises a loading carrier. A hydraulic system, a power transmission system, a metering tank, an electrical system, an air path system, a control system, an operating platform, a plunger pump, a clean water manifold, a mud manifold, a high-pressure manifold, a mixing system and an ash feeding manifold are mounted on the loading carrier, wherein the plunger pump is a five-cylinder plunger pump. The five-cylinder plunger pump is adopted to increase the pressure and displacement of the well cementing equipment, and the requirements of high pressure and large displacement are met; slurry mixing is carried out by double mixing devices, the mixing efficiency is improved, the stability of the slurry mixing density is improved, and the requirement of long-time uninterrupted operation is guaranteed; a mixing system pipeline is optimized, multiple sets of mixing systems are integrated on one slurry mixing tank, and the stability of the equipment is improved; and the clean water manifold is optimized, so that watersupply requirements of the multiple mixing devices can also be met at the same time by using one injection pump, and the requirement of large displacement is met.

The invention discloses a water outlet temperature control method of a water heater, the control method comprises the following steps: the water heater receives user body temperature information collected by a wearable device; the water heater collects the indoor temperature information of a bathroom; and the water heater controls the water outlet temperature of the water heater according to the user body temperature information and the indoor temperature information. The control method disclosed by the invention can meet the water using requirement of a user and is more convenient. The invention also discloses a water heater system.

The invention discloses an intelligent gas water heater with a lifting function. The intelligent gas water heater comprises a gas water heater body, a gas proportional valve, a main controller and anoperation display, wherein the gas proportional valve is arranged on a gas supply channel of the gas water heater body, and the main controller is arranged on the gas water heater body. The gas proportional valve and the operation displayer are electrically connected with the main controller, the main controller changes the gas flow opening degree by adjusting the working current of the gas proportional valve so as to control the heat load of the water heater, a temperature setting key is arranged on the operation display, and the main controller automatically sets the maximum opening degree of the gas proportional valve at the preset temperature according to the preset temperature preset by the temperature setting key. The main controller changes the gas flow opening degree by adjusting the working current of the gas proportional valve so as to control the heat load of the water heater, the maximum opening degree of the gas proportional valve is automatically set to be different fromthe preset temperature according to the preset temperature, and the lifting number suitable for users to use can be automatically set according to the preset temperature, so that the water requirements of the users on different occasions can be met.

The invention discloses a method for cleaning a capsule beverage dispenser, and belongs to the technical field of beverage preparation. The problems that wasting of water is caused in the cleaning process of an existing capsule beverage dispenser and the cleaning effect is poor are solved. The capsule beverage dispenser comprises a machine base with a brewing cavity, a liquid feeding mechanism, an input module and a control module. The control module controls the capsule beverage dispenser to be cleaned according to signals of the input module. The cleaning method includes a first cleaning stage and a second cleaning stage capable of being selected to be executed. The first cleaning stage at least includes a first washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a first power P1 for cleaning. The second cleaning stage at least includes a second washing step in which the liquid feeding mechanism leads liquid into the brewing cavity at a second power P2 for cleaning. The rated power of the liquid feeding mechanism is PE1, and P1<P2<=PE1. The method disclosed by the embodiment of the invention is used for cleaning the capsule beverage dispenser. The capsule beverage dispenser can be a capsule coffee maker, a capsule soybean milk machine and the like.

The invention provides a water heater, a water temperature setting method of the water heater and a water temperature setting device of the water heater. The water temperature setting method includes the steps that the environment temperature of the current day and the environment temperature of the previous day are obtained, and / or the hot water consumption of the user on the previous day is obtained; the first variable quantity of the set water temperature of the water heater is determined according to the temperature difference between the environment temperature of the current day and the environment temperature of the previous day, and / or the second variable quantity of the set water temperature of the water heater is determined according to the hot water consumption of the user on the previous day; and the set water temperature of the water heater on the current day is calculated according to the first variable quantity and / or the second variable quantity and the set water temperature of the water heater on the previous day. By means of the water heater, the water temperature setting method of the water heater and the water temperature setting device of the water heater, the set water temperature of the water heater can be adjusted according to changes of the environment temperature, the set water temperature of the water heater can also be adjusted according to the water consumption requirement of the user, meanwhile, the set water temperature can be adjusted according to the changes of the environment temperature and the water consumption, the water consumption requirement of the user is met, and the aim of energy conservation can be achieved.

The invention relates to a control method for automatically adjusting the heating temperature of water. The control method comprises the following steps that S11, a total water consumption average value V1 and a mixture water temperature average value T1 as well as hot water consumption V2 and a current cold water temperature T2 of a water heater within predetermined using times are collected; S12, a hot water heating temperature T is figured out according to the total water consumption average value V1, the mixture water temperature average value T1, the hot water consumption V2 and the current cold water temperature T2; and S13, the hot water heating temperature T is set as the current heating temperature of the water heater. According to the control method for automatically adjusting the heating temperature of the water, the hot water heating temperature T is figured out according to the total water consumption average value V1, the mixture water temperature average value T1, the hot water consumption V2 and the current cold water temperature T2; the habitual water consumption and set temperature of a user are fully reflected, so that the water consuming demand of the user is met, and the waste of hot water is avoided.

The invention discloses a control method for an air conditioner. The outlet water temperature Tewo and a set target temperature Td are acquired; a difference value delta T is calculated, wherein delta T=Tewo-Td; whether delta T is within a set difference value range or not is judged; if not, whether the water temperature change rate is within a set change rate range or not is judged; if not, whether the frequency of compressor starting / shutdown is within a set starting / shutdown frequency range or not is judged; if not, the compressor additional starting / reduction shutdown interval time is determined according to delta T, the water temperature change rate and the compressor starting / shutdown frequency, after the additional starting / reduction shutdown interval time is up, one compressor in a shutdown / start state is controlled to start / stop; and the difference value delta T, the water temperature change rate and the compressor starting / shutdown frequency are comprehensively considered, starting and stopping of compressors in a unit are controlled, and therefore frequent starting, caused by too-quick feedback of the water temperature, of the compressors is avoided, the service life of the compressors is prolonged, the water temperature fluctuation is relieved, and the requirement for comfort of a user is met.

The invention discloses a collection, filtration, purification and storage system for water, which comprises a water collection and filtration system and a water purification and storage system, wherein the water collection and filtration system comprises a collector-shoe gear, a filtration and stream guidance device and a stream guidance pipeline connected with the collector-shoe gear and the filtration and stream guidance device; and the water purification and storage system is communicated with the filtration and stream guidance device through a water transmission pipeline extending from the filtration and stream guidance device to enable water output by the filtration and stream guidance device to be stored by flowing into the water purification and storage system through the water transmission pipeline. The system can be applied to the collection, filtration and storage of runoff rainwater on hillside and road as well as in farm and yard, lake water and river water. The collection, filtration, purification and storage system for the water can carry out multiple prefiltration and predeposition on the water source, remove large floating matters and small solid suspended particulate matters in water flow, and enable the water moving into the water purification and storage system to have better water quality after the pretreatments.

The invention discloses a simulation test device for researching water pump parallel machine set operation mechanism and control strategy. A water circulation loop is composed of a pool, a submerged pump, a flow meter, a water inlet tank, a parallel water pump machine set, a valve, a pipeline, an automatic regulating valve, a high cistern and the like; the simulation test device is provided with measure and control instruments, such as a pressure transducer, a toque-revolution speed transducer, a transducer, a virtual instrument, an electric control loop and the like. The invention is characterized in that the water inlet tank is arranged between the big pool and the parallel water pump machine set; water amount to the water inlet tank is simulated by controlling the revolution speed of a submerged pump in the pool; water consumption law is simulated with the method that the automatic regulating valve and the transducer provide two modes of throttling and speed change; the combination characteristics, pump characteristics, device characteristics, power characteristics of shafts with different revolution speeds and the like of the water pump machine set can be measured by virtual instrument technology; and the simulation test is performed to different scheduling models and operation control strategies so as to detect and compare the performance and energy saving effects of different models.

The invention provides a control method for a wiring-free intelligent control electronic metering water valve capable of achieving electricity self-generation. A data collecting module, a microprocessor, a water flow electricity generating module, a power source control module and a storage battery are included. The input end of the water flow electricity generating module is connected with a water wheel to convert the mechanical energy of the water wheel into electric energy, the power source control module provides the power source for all the modules and stores the surplus electric energy in the storage battery, and the data collecting module collects the number of the rotating turns and the generating capacity of the water wheel and transmits the number of the rotating turns and the generating capacity of the water wheel to the microprocessor. An electromagnetic valve is controlled by the microprocessor. According to control method, the water flow electricity self-generation technology is adopted, the wiring-free function is achieved, and when a water consumption accident happens on a household user, the intelligent control over the preset amount of the leakage water and the intelligent setting control over the intelligent analysis of daily water consumption can be automatically achieved through the functions of presetting and the intelligent recognition of the water consumption; the passive situation that a traditional water meter can only conduct metering and linkage control cannot be achieved is perfectly broken through, and further improvement and an effective guarantee are achieved oriented to the household safety along with the popularization of the digital household industry.

The invention belongs to the field of industrial water supply auto-control systems and provides an automatic adjusting method of water supply pressure. A pressure transmitter is mounted on a discharge master pipe of a water supply pump; a regulator is installed in a control room; a frequency converter is mounted in a pump control cabinet; an output signal of the pressure transmitter is connected to the input end of the regulator; the output signal subjected to constant pressure regulation by the regulator is connected to the input end of the frequency converter; output of the frequency converter is connected to a pump motor. A network pressure signal detected by the pressure transmitter is sent to a PID (proportion integration differentiation) regulator, a given pressure value is set in the regulator, actual pressure detected is compared with the given pressure value, a reverse mA value is output, the frequency converter is controlled to output proper frequency, running speed of the pump motor is changed, balance of water supply is adjusted, and constant pressure of a discharge network is achieved.

The invention discloses a nuclear power station conventional island desalted water distribution system full-stop overhauling method. The method comprises the steps that A, ice blockage is carried out on a main pipeline between a conventional island desalted water distribution system and a unit, and an isolating device and a connecting device are additionally arranged at the downstream part of ice blockage; B, a temporary water supply pipeline is connected to the connecting device from an SED, operation verification is carried out on the temporary water supply pipeline, and the temporary water supply pipeline is communicated with the main pipeline between the conventional island desalted water distribution system and the unit through the connecting device after the temporary water supply pipeline is qualified; C, the connecting device is opened to supply water to the unit, and then the isolating device is closed; D, the conventional island desalted water distribution system is made to stop fully, isolating and emptying are carried out, and damaged or aged devices on the main pipeline are replaced; E, a drain valve and a vent valve are opened fully, the system is filled with water, air in the system is exhausted, the system is washed, samples are taken for a laboratory test, and after the samples are qualified, the drain valve is closed, and the conventional island desalted water distribution system is put into operation; F, the connecting device is disconnected with the temporary water supply pipeline, and the connecting device is sealed. The nuclear power station conventional island desalted water distribution system full-stop overhauling method is convenient and rapid to implement, safe and low in cost.

The invention provides an intelligent water-acquiring method comprising the steps of: acquiring the physiological feature data of a user through a physiological feature collector when a user-triggered water-acquiring request is received; finding a corresponding user account based on the physiological feature data and determining whether or not the user has the water-acquiring authority according to the user account information and the water-acquiring request; and if the user has the water-acquiring authority, opening a corresponding water outlet valve according to a water usage type included in the water-acquiring request for the user to acquire water. The present invention also provides an intelligent system. The water-acquiring method does not need to use a voucher such as a magnetic card or the like, determines the authority directly through the user physiological characteristic data, and open the water outlet valve to supply the water when determining that the user has the water-acquiring authority. The authority judgment through user's biological feature also avoids imposture cases due to the losing of a water-acquiring voucher, is beneficial to the water-acquiring management, and guarantees people's property safety.

The invention discloses an instant air energy heat-pump water heater and a control method thereof. The water heater comprises a first heat-pump circulation circuit, a second heat-pump circulation circuit, a water way pipeline part module, an electrical heating module and a control module. Each heat-pump circulation circuit is provided with a compressor and a condenser. The water way pipeline part module comprises a water inlet pipeline, a heat-pump heating pipeline and a water outlet pipeline, wherein the water inlet pipeline, the heat-pump heating pipeline and the water outlet pipeline are sequentially communicated with one another. A water flow regulating valve is arranged in the communication pipeline. The electrical heating module is arranged on the water outlet pipeline. The condensers in the two heat-pump circulation circuits and the heat-pump heating pipeline are integrated in a plate heat exchanger or a double-pipe heat exchanger. The control module is used for controlling the working modes of the two compressors, the working mode of a second compressor, the working mode of the electrical heating module and the working mode of the water flow regulating valve. The instant air energy heat-pump water heater is instant and can ensure water supply at constant temperature without a water tank, is simple in structure and improves operating stability and reliability of a heat pump unit.

The invention discloses a physical sewage treatment system used for sewage treatment from the source, comprising a solid-liquid separation device and a settling device. The solid-liquid separation device is provided with a solid-liquid separator, and a separation water inlet, a separation water outlet and a separation sewage discharging port of the solid-liquid separator; the settling device comprises a settling shell the bottom of which is provided with a settling sewage discharging port, a water inlet hose and a water outlet hose are arranged in the settling shell, the water inlet end of the water inlet hose is connected with the separation water outlet of the solid-liquid separation device, the water outlet end of the water inlet hose is connected with a hollow floating disk, the outline of the floating disk adapts to that of the cross section of the settling shell, and a plurality of through holes are uniformly distributed in the annular area of the bottom surface, close to the edge; a floating disk water outlet is arranged on the bottom of the floating disk and is connected with the water inlet end of the water outlet hose, and the water outlet end of the water outlet hose extends out of the settling shell. The sewage treatment system can be used for treating sewage timely from the pollution sources, thus reducing or avoiding the phenomenon that sewage enters public water body.

The invention discloses a hot-film-coupling seawater desalination device driven by low-temperature waste heat, belonging to the field of industrial energy saving. The hot-film-coupling seawater desalination device comprises an organic Rankine cycle system, a reverse-osmosis seawater desalination system, a low-temperature multi-effect distillation system and a temperature regulation system, wherein the organic Rankine cycle system is used for driving the reverse-osmosis seawater desalination system to produce fresh water, and a heat source is provided by the waste heat discharged by the organic Rankine cycle system to the low-temperature multi-effect distillation system so as to fresh water; the temperature regulation system is used for regulating the temperature of raw material seawater entering the reverse-osmosis seawater desalination system. According to the hot-film-coupling seawater desalination device, the organic Rankine cycle system, the reverse-osmosis seawater desalination system and the low-temperature multi-effect distillation system are combined, so that the efficient utilization and the deep utilization of the industrial waste heat are improved, and the requirements of different seawater desalination users on the water quality and the water yield are met.

The invention relates to the field of seawater desalination, and concretely relates to a modular portable reverse osmosis seawater desalination integration apparatus and a use method thereof. The apparatus is characterized in that a water intake pump, a bactericide dosing device, a filter, an ultrafiltration membrane assembly, a circulating pump, a reducing agent dosing device, a scale inhibitor dosing device, a high pressure pump, a reverse osmosis membrane assembly, a post-treatment dosing system, a cleaning water tank and a foldable water storage bag form a reverse osmosis seawater desalination system, the above devices except the water intake pump, the cleaning water tank and the foldable water storage bag all are fixedly installed in a trailer box body, and the whole body is a reverse osmosis desalination module. A pretreatment unit, a reverse osmosis desalination unit, a chemical dosing unit, a chemical cleaning unit and an electric and control unit are compactly, stably and reasonably integrated in the trailer with a closed box body trough a filter + ultrafiltration + reverse osmosis double membrane process, so the apparatus has the advantages of small size, light weight, flexible movement, and realization of transportation through aviation, highway, railways and ships.

The invention discloses a water purifier capable of adjusting the water quality. The water purifier comprises a first-stage direct drinking water filtering tank (1) and a reverse osmosis filtering tank (3) which are sequentially serially connected between a water inlet (5) and a water outlet (6), wherein a direct drinking water outlet (7) is separately connected to the outlet of the first-stage direct drinking water filtering tank (1), and a bypass pipeline capable of adjusting the water quantity is connected between the inlet and outlet of the reverse osmosis filtering tank in parallel. According to the water purifier capable of adjusting the water quality, multiple types of water can be produced, and ultra-filtered water can meet the large-volume water demand of vegetable washing and cooking in a kitchen of a family; water subjected to reverse osmosis can meet the demand of water drinking of a family or department; ultra-filtered and reverse osmosis mixed water can be used for adjusting the hardness of water generated through reverse osmosis, so that the water subjected to reverse osmosis is moderate in hardness, not only is suitable for being drunk for a long time without generating water scale to block a water appliance, but also is used for meeting the demands of direct drinking, tea making and milk mixing in the family; reverse osmosis concentrated water can be used for mopping the floor, watering the flower and flushing the toilet. The water purifier is flexible and convenient to use, and capable of meeting multiple demands of a user.

The invention discloses a self-learning intelligent peak-regulation secondary water supply system and a control method thereof. The system comprises two or more regional water distribution pipes connected to a municipal delivery pipe, two or more sets of secondary water supply equipment are connected to each regional water distribution pipe, a pressure / flow sensor is installed at an inlet or / and the worst water tap of each regional water distribution pipe, each set of the second water supply equipment comprises a water tank and a variable frequency intelligent control cabinet, a water inlet pipe and a water outlet pipe are connected to the two sides of the water tank, a water tank water inlet electrically operated valve is installed on a water inlet pipe, and a pressure pump unit is installed on the water outlet pipe. Accordingly, a municipal water supply mode or a peak-regulation water supply mode can be flexibly switched according to pressure values at the inlets and the worst watertaps of the regional water distribution pipes and water flow of the water tank, and then the water inflow of the water tank is controlled optimally; dependency on a municipal pipe is reduced to the maximum extent, and it is guaranteed that water pressure in peak hours can meet the water requirement of a user.

The invention provides a process and a system for using waste heat of steam of a steam box. The waste heat of the steam of the steam box can be efficiently recycled, crossed gas mixing is avoided, the environment of an operation room is purified, and the energy utilization rate is increased. The process comprises the following steps of (1) recycling the heat of the steam; (2) transferring the stored heat; and (3) using the transferred heat. The system comprises the steam box, a heat storage water tank, a circulating water tank, a domestic hot water terminal, a connecting pipeline and a valve, wherein a steam outlet of the steam box is connected with a steam inlet of the heat storage water tank; a heat exchanger is arranged in the heat storage water tank; an outlet and an inlet of the heat exchanger are respectively connected with a high-temperature circulating water inlet formed in the upper portion of the circulating water tank and a low-temperature circulating water outlet formed in the bottom of the circulating water tank correspondingly; and the high-temperature circulating water outlet formed in the upper portion of the circulating water tank is connected with the domestic hot water terminal. The grade of the heat is increased by primary heat exchange, the heat is transferred by secondary heat exchange, and finally the heat is used at the domestic hot water terminal.

The invention discloses a momentum-type flowmeter and a measuring method of it, which comprises a water retaining barrier, a pressure sensing device and a secondary instrument, a group of water retaining grid is on the water retaining barrier which can be set on the channel, the pressure sensing devices are set on the upper and lower of the water retaining barrier individually and both are connected with the secondary instrument which can receive, process, store and output the date. When measuring, fix the momentum-type flowmeter on the channel vertically and connect the pressure sensing device with the secondary instrument fast, then get the information from the secondary instrument.

The invention relates to an integrated water purification device and a water purification method. The device comprises a flocculation basin, an inclined plate sedimentation basin and a non-overflowing double-layered filter material filtering tank which are sequentially connected in series, wherein the filtering tank comprises a filter material layer, a supporting layer, a water distribution and gas distribution assembly and a water distribution water channel which is vertically arranged along the middle part of the filtering tank; the water distribution and gas distribution assembly comprises a water collection pipe row which is horizontally arranged, and a vertical pipe row which is vertically arranged; the upper ends of all vertical pipes are communicated with water collection pipes in the water collection pipe row and the lower ends of all the vertical pipes are communicated with the water distribution water channel; a water discharging hole is formed in the bottom of each water collection pipe, and an air exhausting hole and a washing air hole are sequentially formed in the middle part and the top of each water collection pipe; and an air inlet small hole is formed in the lower middle part of each vertical pope. According to the integrated water purification device and the water purification method, the problems that a filtering head of a double-layered filter material filtering tank is easy to block, a filter material cannot be washed, a mud ball is deposited, the filtering material is lost, the construction cost is high, the maintenance is complicated ant the like can be solved; the construction period is short, a land is saved and the construction cost is low; and the water supply requirements of countryside villages and towns, and industrial and mining enterprises, and beauty spots, which are far away from cities can be met.

The invention discloses a constant temperature device which comprises a water storage device, a constant temperature assembly, a first detection module, a second detection module, a third detection module and a control module. The water storage device is internally provided with a heater. A first water inlet of the constant temperature assembly is connected with a water outlet of the water storage device; a second water inlet of the constant temperature assembly is externally connected with a water supply pipe; and a water outlet of the constant temperature assembly is used for being externally connected with a water use end. The first detection module is used for detecting the water temperature of the water outlet of the constant temperature assembly. The second detection module is used for detecting the temperature of the first water inlet of the constant temperature assembly. The third detection module is used for detecting the temperature of the second water inlet of the constant temperature assembly. The control module is used for controlling the constant temperature assembly according to the temperature of the water outlet, the temperature of the first water inlet and the temperature of the second water inlet so as to adjust the water inlet proportions of the first water inlet and the second water inlet, and therefore the water temperatures of the water outlets can meet the water use demands at the water use end. The constant temperature device can automatically adjust the water outlet temperature according to the water temperature needed by a user and keep the water outlet temperature constant. The invention further discloses a hot water system and a control method of the constant temperature device.

The invention discloses a self-powered circulating water side stream system and a use method thereof. The self-powered circulating water side stream system fully uses the surplus water supply pressure of circulating water to generate electricity and comprises a cooling tower, a water suction well arranged below the cooling tower and used for gathering the circulating water from the cooling tower, a water supply pump set connected with the water suction well through a pipeline, and a water supply pipeline (user side water supply system) for supplying circulating water for a user unit after being pressurized by the water supply pump set, the self-powered circulating water side stream system is characterized by further comprising another water supply pipeline (side stream side water supply system) for supplying circulating water for the side stream system after being pressurized by the water supply pump set, and the side stream system comprises an electric adjusting valve arranged at the middle of the another water supply pipeline and a water turbine generator set for receiving the circulating water automatically shunted by the electric adjusting valve, and the electricity generated by the water turbine generator set is sent to a self-back washing filter and a back washing water lifting pump. The self-powered circulating water side stream system can fully uses the surplus water supply pressure of the circulating water, and the surplus energy recycling is realized based on guaranteeing the suspended matter removing effect.

The invention provides a fully automatic constant-temperature and constant-pressure water supply system, which comprises a cold water system, a heating system and a constant-temperature system, wherein the cold water system comprises a cold water tank LSX connected with a domestic water pipe, a water inlet of the cold water tank LSX is provided with a water inlet valve, the cold water tank LSX is respectively connected with a first cold water pump LSB1, a second cold water pump LSB2 and a third cold water pump LSB3 through three branches, the first cold water pump LSB1 and the second cold water pump LSB2 are respectively connected with a first diaphragm air pressure tank QYG1 through pipelines via a first cold water check valve LZF1 and a second cold water check valve LZF2, the first diaphragm air pressure tank QYG1 is connected with a first remote transmission pressure meter YCP1 through a pipeline, the heating system comprises a water heating tank JRSX connected with the third cold water pump LSB3, and the water heating tank JRSX is provided with a first stirring machine JBJ1. The system provided by the invention is economic and reasonable, the operation is reliable, simplicity and convenience are realized, the anti-jamming capability is high, the sensitivity is high, the volume is adjustable, the functions can be increased or decreased, and the system adapts to various environments.

The invention relates to a sprinkling irrigation device used in a greenhouse and capable of achieving rainwater-harvesting irrigation, and belongs to the technical field of agricultural irrigation. The sprinkling irrigation device comprises a main rod, a sprayer, a branch pipe I, a sprinkling irrigation rod, a valve, a branch pipe II, a compensation rod, an upper iron piece, a buckle, a booster pump, an electric valve I, a telescopic rod, a filter screen I, a water inlet I, a water outlet I, an indication lamp, a water collecting box, a water outlet II, an electric valve II, a hose, a water collecting box support, a water inlet III, a filter screen III, an adjusting valve, a lower iron piece, a rain leaking pipe, a water outlet III, a water outlet IV, an axial flow pump, an impeller and a clamping hole. The sprinkling irrigation device improves utilization efficiency of moisture, guarantees that all indoor crops can be irrigated by water, guarantees sprinkling irrigation evenness, guarantees indoor cleanliness, and meanwhile avoids the situation that the indoor crops are irrigated by abundant water; the sprinkling rod and the compensation rod can be folded to the main rod, occupied space is little, storage is convenient, operation is easy, design and structure are reasonable, practicality is high, and application and popularization are easy.

The disclosure relates to a method and device for adjusting a water discharge way and a storage medium. The method includes determining a target water discharge device to be used in a plurality of water discharge devices; determining the water discharge way of the target water discharge device according to a usage scenario of the target water discharge device; and controlling the target water discharge device to discharge water in the water discharge way. The method automatically adjust the water discharge way. Further, since the water discharge way is determined according to the usage scenario, a user's water demand and water usage habit in this scenario can be better satisfied, and the user experience is improved.

A clean rainwater collection and purification device is mainly formed by combining a rainwater collecting pool, a rainwater filtering pool, a water collecting cellar and a water purifier. The device is characterized in that the rainwater collecting pool at least comprises a ground brick-wall embankment, an aqueduct, a hardened ground and a rolling flexible waterproof fabric arranged on the hardened ground; the peripheral edge of the hardened ground is surrounded by the brick-wall embankment and the aqueduct is arranged on at least one section between the hardened ground and the embankment; the hardened ground consists of at least one ground or a plurality of grounds which are arranged side by side and isolated by the aqueducts respectively; the aqueduct is connected with the rainwater filtering pool by a water transferring pipe; and the water collecting cellar is connected with the rainwater filtering pool by a water transferring pipe and is communicated with at least one water purifier by the water transferring pipe. The device has the characteristics that the collecting efficiency is high; the product cost is low; the structure is simple and reliable; the operation is easy; the device is portable, durable and environment-friendly; and the water quality is safe, and the like. The device can lead the three significant indexes of water-use quantity, health index and water-taking convenience of 'safe drinking water' to reach the standard simultaneously.

The invention relates to tobacco-waste-water processing technology, which comprises grating filtering, mixing and adjustment, agent addition, pressure dissolved-air floatation deslagging, MBR processing, and sterilization. Reclaimed water obtained from MBR processing can be subjected to corresponding treatment according to requirements for being sent to a boiler water supply system, reuse or discharge. The tobacco-waste-water processing technology is designed according to characteristics of pollutants in tobacco waste water. Through the processing technology, the pollutants in the tobacco waste water can be effectively removed and degraded. The reclaimed water obtained from MBR processing is subjected to simple process and can meet requirements of boiler water. A boiler water processing system is greatly simplified, and the tobacco waste water is easily treated to be qualified boiler water. The processing technology has high waste water processing efficiency and automation degree, and is particularly suitable for waste water treatment of a tobacco enterprise.

The invention discloses an automatic irrigation system and method used for wild rice stem planting. The system comprises a box body, a solar power generation device, an irrigation mechanism and pesticide spraying mechanisms. A control box is arranged in the box body, a waterproof plate is arranged in the control box, a control system is arranged above the waterproof plate, and a water diversion mechanism is arranged below the waterproof plate and comprises a water divider and a water intake pipe. Irrigation devices are arranged on the two sides of the box body, the pesticide spraying mechanisms are also arranged on the two sides of the box body, the irrigation devices comprise water diversion pipes, water conveying pipes and water penetration pipes, a horizontal guide pipe is arranged between the two water conveying pipes on the same side of the box, and the pesticide spraying mechanisms are arranged on the horizontal guide pipes. The automatic irrigation method comprises the steps of ridge reinforcing construction, construction of the box body and the generation device, construction of the irrigation mechanism, installation of the pesticide spraying mechanisms, trial operation of the automatic irrigation system and equipment maintenance. By means of the irrigation method, water is convenient and efficient to take, the irrigation cost is reduced, use and maintenance are convenient, meanwhile, automatic control can be achieved, and the labor intensity of manual operation is reduced.