1244 results about "Water saving" patented technology

The invention relates to a fully mechanized coal mining face respirable dust concentration management limit value determination method, belongs to the technical field of coal mine dust treatment, and is used for solving the problem of inaccurate respirable dust control caused by the fact that a traditional fixed threshold value cannot adapt to a multi-dust-source coupling working condition. The method comprises the following steps: acquiring dust falling efficiency data of multiple dustproof measures, establishing a mathematical model of dustproof parameters and dust concentration, calculating a dynamic management limit value by combining an industrial standard threshold value, and performing self-adaptive adjustment by monitoring and triggering parameters such as spraying pressure and dust removal air volume in real time. Compared with a traditional method, the dynamic limit value enables the respirable dust concentration to be reduced by 40% or above, the multi-measure cooperative dust falling efficiency is improved to 85%, water is saved by 15%-20%, the equipment energy consumption is reduced by 10%, and intelligent and precise dust treatment is achieved.

The invention relates to the field of direct drinking water of a fusion calculation model, and discloses a double-membrane mixing direct drinking water system and an operation method.The method comprises the steps that online data of a water supply end and a water quality monitoring end are collected for cleaning and time alignment, and a basic working condition data set is formed; the method comprises the following steps: establishing an operation characteristic model comprising water demand prediction, raw water quality prediction and membrane flux characteristic sub-models, calculating double-membrane target water yield and water quality indexes based on the model to generate a control parameter set, evaluating membrane pollution to generate an online cleaning task queue, performing joint simulation to generate a pressure stability control instruction set, and dynamically correcting the model. The conversion from passive response to active pre-judgment of the double-membrane mixing direct drinking water system is realized, and the operation stability, the water quality guarantee capability and the water-saving and energy-saving effects are improved.

The invention discloses an urban water supply pipe network leakage detector and a detection method, and relates to the field of municipal engineering. A leakage detector for an urban water supply pipe network comprises a circular sealing cover composed of two semicircular sealing covers, the circular sealing cover is arranged at a connector between every two water supply pipes in a sleeving mode, and the two semicircular sealing covers are detachably connected through fixing bolts; the semi-circular sealing plate is arranged in the semi-circular sealing cover and is used for blocking a joint between the two water supply pipelines when water leaks; by means of the emergency plugging function, water can be timely prevented from continuously leaking at the initial stage of water leakage at the pipeline connecting position, compared with a traditional mode that only detection is conducted without pretreatment, waste of water resources is greatly reduced, and the urban water saving concept and the efficient utilization requirement of the water resources are met.

The invention provides a cooling tower floating water loss prediction analysis method, which comprises the following steps: acquiring and cleaning multi-dimensional operation data of a cooling tower, performing working condition label classification, feature normalization and derivative feature extension, and constructing a deep neural network model to realize floating water loss prediction after dynamically adjusting a feature weight based on a working condition classification clustering result. And in the online stage, real-time working condition labels and historical error feedback are combined, and the feature weights and model parameters are dynamically optimized, so that the generalization ability and prediction accuracy of the model under variable working conditions are improved, the engineering applicability and the online adaptive optimization ability are high, and water saving and intelligent operation management of the cooling tower system are effectively supported.

The invention relates to the technical field of environment control of earth excavation, in particular to an earth excavation construction flying dust suppression method and system.The earth excavation construction flying dust suppression method comprises the steps that construction intensity prediction is conducted, specifically, the construction activity intensity and duration in a specific time period in the future are predicted by accessing a construction management system; vehicle information acquisition and fusion: identifying and classifying incoming and outgoing vehicles to obtain accurate vehicle passing frequency and type distribution; raising dust risk assessment and grade determination: establishing a raising dust risk assessment model based on the predicted construction intensity, real-time vehicle passing data and meteorological parameters, and performing grade determination on raising dust risks of different areas; and the regional dynamic spraying control module is used for dividing the construction site into a plurality of independent control regions according to the dust raising risk level and the wind direction information, dynamically adjusting the start-stop time sequence, the water quantity and the spraying angle of a spraying device in each region, and realizing regional and differentiated dust raising suppression. On the premise of saving water and electricity, the problem of flying dust pollution in earth excavation operation is solved.

The application discloses a clothes processing device and a control method and device thereof, wherein a surface between at least two lifting ribs in a clothes processing barrel of the clothes processing device is a non-drainage channel structure, and the control method of the clothes processing device comprises the following steps: putting foam into the clothes processing barrel; determining whether a water level parameter outside the clothes processing barrel meets a preset condition, and controlling the clothes processing device to stop putting the foam into the clothes processing barrel when the water level parameter outside the clothes processing barrel meets the preset condition. Compared with the prior art, in the application, whether the water level parameter outside the clothes processing barrel meets the preset condition is detected during the process of putting the foam into the clothes processing barrel, so that the timing when the clothes are completely soaked can be accurately determined, and the clothes processing barrel is stopped from putting the foam after the clothes are completely soaked, so that the water saving effect is achieved.

The invention provides a strong brine zero-discharge circulating cooling water high-salt operation method and system. The method comprises the following steps: S1, pretreating high-efficiency membrane softening produced water and controlling a shunting dynamic ratio; s2, variable parameter closed-loop control and energy consumption optimization of the water supplementing system; s3, multi-variable cooperative regulation and evaporation efficiency improvement of the circulating water system; s4, dynamically adding the high-salt scale and corrosion inhibitor and controlling the uniformity of a concentration field; s5, multi-dimensional data fusion and intelligent decision making of the online detection system; s6, carrying out dynamic flow regulation and energy recovery on the sewage discharge system; s7, carrying out self-adaptive backwashing and efficiency monitoring on the sewage filtering system; s8, double-circulation temperature difference matching and anti-scaling control of the closed cooling system are carried out; s9, simulating multi-working-condition corrosion monitoring and data inversion of the heat exchanger; s10, carrying out the digital twinborn modeling and parameter optimization of the whole system; the method has the advantages of remarkable water-saving effect, energy conservation, consumption reduction, stable operation and good economical efficiency.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a reclaimed water recycling system matched with ethylene oxide and ethylene glycol production, which comprises a reclaimed water regulating tank (31), a hardness removal sedimentation tank (32), an ozone water inlet tank (33), an ozone contact tank (34) and a reclaimed water post-positioned CBR tank (35) which are sequentially connected, and the reclaimed water post-positioned CBR tank (35) is connected with an RO (reverse osmosis) membrane treatment tank (36). Fresh water discharged from the RO membrane treatment tank (36) is recycled to a low-salt wastewater treatment system (10), and concentrated water discharged from the RO membrane treatment tank (36) is connected to an RO concentrated water hardness removal tank (37); the reclaimed water recycling system not only realizes recycling of circulating water in multiple places, but also can cooperate with efficient treatment of low-salt wastewater and efficient treatment of high-salt wastewater to recycle clear water, so that water saving and emission reduction are realized, the operation cost is reduced, and the treatment efficiency is high.

The invention discloses a coal-to-methanol conversion treatment system and a coal-to-methanol conversion treatment simulation method. The coal-to-methanol conversion treatment system comprises a gas separator, a conversion furnace, a first water separation device, a stripping tower and a second water separation device. Water gas of a gasification section enters a gas separator, and a gas phase discharged from a gas outlet of the gas separator is divided into a first gas phase and a second gas phase through a flow divider; the inlet of the conversion furnace is connected with the flow divider so that the first gas phase flows into the conversion furnace; the first water separation device is used for performing multi-stage separation on the mixed gas; steam entering the stripping tower from the steam inlet is in contact with condensate entering the stripping tower from the first water separation device; and the second water separation device is connected with the gas outlet of the stripping tower to separate the vent gas and the wastewater. Water gas can be effectively treated, so that the energy consumption of the system is reduced, the water-saving and environment-friendly effects are achieved, and the purposes of improving quality and efficiency can be achieved.

The invention is applicable to the technical field of coal mining, and provides a dedusting and filtering device for coal mine ventilation, which comprises a dedusting box body arranged on one side of a fan for coal mine ventilation, and the inside of the dedusting box body is divided into a filtering cavity and a purifying cavity by a first partition plate; the air flow guide and primary dust removal assembly comprises a spiral flow guide shaft, an annular spray pipe and a spray head, and the spiral flow guide shaft is rotationally installed in the air inlet pipe through a bearing. The dedusting and filtering device for coal mine ventilation provided by the scheme realizes multi-stage purification of dust-containing airflow, reduces the influence of dust on equipment and personnel, has the characteristics of temperature control, water saving and the like, meets the actual requirements of coal mine ventilation and dedusting, and solves the problem that in the operation process of a current coal mine ventilation system, dust cannot be removed easily. And a large number of dust particles are always carried in the pumped air flow to influence the health of people.

The invention relates to the technical field of ferrous metallurgy and solid waste treatment, in particular to an efficient utilization production process of iron-containing ore powder and slag powder, which comprises the following steps: preheating the iron-containing ore powder ground by a grinder by a preheater, and feeding the iron-containing ore powder into a reduction furnace; a fan provides aerodynamic force, high-temperature gas obtained after air is preheated by a hot-blast stove and hydrocarbon such as pulverized coal sprayed from a pulverized coal feeding port are combusted, and generated reducing gas such as CO and H2 enters a reduction furnace through an annular exhaust outlet of a hearth and is subjected to a reduction reaction with iron-containing ore powder entering the reduction furnace and the high-temperature gas such as CO and H2 at high temperature; and reducing into metal iron powder and slag. Iron ore powder does not need to be made into prefabricated lump ores such as pellets and sinter, and dependence of a blast furnace on metallurgical coking coal is avoided; iron ore powder can be directly used for producing metal iron powder, water is saved, and the risk that high-temperature molten iron explodes when encountering water is eliminated; green hydrogen can be used as a reducing agent, and the method is a preferable scheme in the ferrous metallurgy industry.

The utility model relates to a set for cleaning a flat mop, which comprises a cleaning barrel and a mop, the mop comprises a mop head rotationally connected to the lower end of a mop rod, and a wiping object is arranged on the mop head; the cleaning barrel comprises an outer barrel, a clean water barrel and a cleaning barrel, a water squeezing plate for squeezing the wiping object is arranged on the cleaning barrel, the outlet end of the water supply channel is located below the water squeezing plate, the mop head and the mop rod are jointly inserted into the cleaning barrel to move up and down, and the inner wall of the cleaning barrel supports a back plate of the mop head. The water squeezing plate squeezes and scrapes the wiping object, a water draining channel for draining a part of water squeezed and scraped from the wiping object into the outer barrel and a water returning channel for returning a part of water to the cleaning barrel are formed above the water squeezing plate, the water returning direction and the water draining direction are opposite to each other, and a switch for opening and closing the water supplying channel is further included. According to the set, automatic quantitative water supply is achieved, it is guaranteed that clean water is used in each cleaning operation, the amount of the clean water used in each cleaning operation is small, and more water is saved.

The invention relates to the technical field of cooling towers, in particular to a novel water-saving open type cooling tower suitable for northern areas. A tower body; the heat exchange demisting and water collecting device, the wire mesh demisting device, the water collector, the hot water distributing device, the cold water supplementing and spraying device and the filler cooling device are sequentially arranged on the inner wall of the tower body in the vertical direction; the anti-freezing device is arranged at the top of the pouring cold water pool; and the PLC is arranged at the top of the pouring cold water pool. The cooling tower can achieve efficient and rapid cooling, and the cooling speed is increased by 20%-30% compared with a traditional tower through filler layered heat exchange, cold water replenishing opposite flushing and waste heat recovery; the freezing problem in winter in northern areas can be solved, freezing is blocked from the source, ice is actively melted, and operation is guaranteed; the drifting rate is reduced by more than 60% through three-stage demisting water collection, and the condensed water is completely recovered; low-cost transformation is achieved, maintenance is convenient, energy consumption is reduced by 30%, intelligent regulation and control can be achieved, industrial automation is adapted, and high efficiency, water saving, economy and stability are considered.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a high-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production for use, which comprises a high-salt regulating tank (22), an anoxic tank (23), a high-salt CBR tank (24), a high-salt ASR tank (25) and a high-salt secondary sedimentation tank (26) which are sequentially connected, and the high-salt secondary sedimentation tank (26) is connected with a final sedimentation tank (27); the sewage treatment system realizes high-efficiency treatment of high-salinity wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (20) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.

The utility model discloses a heat exchange unit, and relates to the technical field of machine room air conditioners. The two rows of heat exchange core bodies are arranged on the rack in parallel in the first direction, and the heat exchange core bodies are obliquely arranged, so that the outdoor air inlet faces and the outdoor air outlet faces of the heat exchange core bodies intersect with the first direction and the second direction, and the second direction is perpendicular to the first direction; the spraying system comprises two spraying devices corresponding to the heat exchange core bodies, and each spraying device comprises a first spraying set located on the outdoor air outlet side of the corresponding heat exchange core body and a second spraying set located on the outdoor air inlet side of the corresponding heat exchange core body; the multiple nozzles of the first spraying set are sequentially arranged in the direction parallel to the outdoor air outlet face, and the multiple nozzles of the second spraying set are sequentially arranged in the direction parallel to the outdoor air inlet face. The spraying mode and the spraying water amount of the spraying system can be adjusted according to different working conditions, so that the unit can better save energy and water under the conditions of different temperatures and humidity.

The invention relates to the technical field of watering cart quantity control, in particular to a watering cart quantity control system and method based on the position of a water adding point and the remaining amount of a water tank, and the system comprises an air condition recognition module, a water storage capacity judgment module, an operation range distribution module, a watering flow adjustment module and an operation path confirmation module. According to the method, the particle concentration and the surface temperature are combined to divide the sprinkling intensity of an operation section, sustainable sprinkling segments are screened according to the remaining water amount, the water amount coverage range is limited, distance matching is carried out on the water amount coverage range and water adding point distribution, and the sequence of executable task segments is recombined; setting a flow interval according to a watering grade, dynamically adjusting spraying output in combination with a vehicle speed, extracting a flow change behavior record in the whole process, performing priority ranking on task segments through water saving performance, and constructing a water control execution scheme with pollution response, water quantity coordination and path screening capabilities; synchronous linkage and fine control of the spraying range, flow adjustment and the operation path are achieved.

The invention relates to the technical field of nozzle water saving, in particular to low-flow anti-evaporation nozzle water-saving sprinkling irrigation equipment which comprises a fixing seat, a sealing groove is formed in the lower end of the fixing seat, a rotating shaft is rotatably arranged in the sealing groove, one side of the sealing groove communicates with water supply equipment, and the other side of the sealing groove communicates with a connecting pipe A; and a valve is arranged in the connecting pipe A, one end of the valve is connected with a first spray head, a reciprocating screw rod driven by a rotating shaft is rotationally arranged at the upper end of the fixing base, and a sliding block moving in the vertical direction of the reciprocating screw rod slides on the outer side of the reciprocating screw rod. Meanwhile, when the valve is closed, a sprayed water source has sufficient time to be fully absorbed by soil, so that water is more accurately reserved in a crop root system layer, the problem of incomplete absorption caused by accumulated water on the surface layer of the soil is solved, and the actual effect of irrigation on crops is improved.

The invention relates to the technical field of intelligent water saving, and discloses a multi-source perception intelligent water saving decision control system and method based on deep learning, and the system comprises a multi-source perception data collection module, a data preprocessing and feature fusion module, a deep learning analysis and prediction module, a water saving decision generation module, and an execution control module. An effect evaluation module, an adaptive optimization module and a data management module; when intelligent water-saving decision control is carried out, hydraulic power, environment and user behavior data are collected in real time by deploying a multi-source heterogeneous sensor network, and a data preprocessing process including abnormal value detection and elimination, noise data smooth processing and missing value filling is adopted; according to the method, the problem of data distortion caused by equipment fluctuation and environmental interference can be identified and corrected, and the quality and reliability of the multi-source sensing fusion feature data are ensured, so that a high-quality data basis is provided for subsequent intelligent decision making, and the accuracy of water consumption mode identification and water consumption demand prediction is improved.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a low-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production, which comprises a low-salt regulating tank (11), a biological selection tank (12), a low-salt ASR tank (13), a low-salt CBR tank (14) and a low-salt secondary sedimentation tank (15) which are sequentially connected, sludge at the bottom of the low-salt secondary sedimentation tank (15) is connected with a sludge return tank (17); the low-salt wastewater treatment system realizes efficient treatment of low-salt wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (30) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.

The utility model discloses a lifting type dynamic scale scraping electrochemical device which comprises a reaction tank, two ends of the reaction tank are respectively provided with a jacking mechanism for lifting the height, and the outer side of the reaction tank is communicated with a liquid feeding and discharging mechanism for feeding and discharging liquid and discharging scale; according to the utility model, the power mechanism is matched with the scraping mechanism, and the dynamic lifting scale scraping device is adopted, so that the distance between the cathode plate and the anode plate can be reduced to the optimal distance, the adsorption efficiency of the equipment reaction tank is greatly improved, and scale on the cathode plate of the equipment reaction tank can be synchronously and quickly removed; the phenomenon that scale adsorbed between the cathode plate and the anode plate is thicker and thicker to cause short circuit of the cathode plate and the anode plate is avoided, the scale scraping quantity of a single motor of a single-cell reaction tank is reduced, energy consumption is lower, mechanical faults are fewer, daily operation is more stable, the adsorption effect is better, water saving and energy saving of enterprises are facilitated, and the equipment is simple in overall structure, easy to overhaul and low in cost. And the service life is long, so that the up-down lifting type scraping effect is conveniently realized.

The invention discloses roller cleaning equipment for an MLCC, and belongs to the technical field of electronic component production equipment. The equipment comprises a feeding mechanism, a conveying mechanism, a cleaning mechanism, a drying mechanism and a discharging area which are sequentially arranged along the technological process. The conveying mechanism is driven by an annular chain, a support assembly of the conveying mechanism is embedded in a sliding groove of an installation base through the two ends of a fixing rod, and operation is stable. The cleaning mechanism and the drying mechanism each comprise an annular collecting pipe driven by a lifting driving assembly, and the annular collecting pipes can be coaxially arranged on the periphery of the roller in a sleeving mode for high-pressure water jet cleaning and high-speed airflow drying. The equipment is further provided with a closed-loop water treatment system, and sewage is recycled after being filtered. The full-process automation and resource circulation of roller cleaning from feeding and discharging, cleaning, drying to water treatment are achieved, the roller cleaning device has the remarkable advantages of being high in efficiency, good in cleanliness, capable of saving water, environmentally friendly and stable and reliable in operation, and the automation level and economic benefits of MLCC production are greatly improved.

The invention discloses a spliced water-saving hose for agricultural irrigation, and belongs to the technical field of agricultural irrigation. A splicing type water-saving water hose for agricultural irrigation comprises a water hose body, one end of the water hose body is connected with a first access assembly, and all-directional sealing and fixing at the splicing position are achieved through a triple cooperative structure of an L-shaped connecting block and an arc-shaped fixing groove, a first annular connecting block and a second annular groove, and a double-semi-arc-shaped fixing block and the first annular groove; after the L-shaped connecting block is embedded into the first rectangular connecting groove, the L-shaped connecting block is rotationally locked through the arc-shaped fixing groove, transverse and longitudinal dual mechanical limiting is formed, the joint is prevented from being separated when the water hose is pulled or impacted by water pressure, and the first annular connecting block is precisely matched with the second annular groove to form a first sealing barrier to prevent water flow from leaking from a joint gap; the double semi-arc fixing blocks are automatically embedded into the first annular grooves under the action of the reset springs, the structural stability is enhanced, second sealing is formed, and the water seepage path is further isolated.

The invention belongs to the field of water transportation engineering, and particularly provides a double-line ship lock mutual charging and mutual discharging method for improving the water saving rate, which comprises the following steps that two adjacent line ship locks are respectively a downlink ship lock and an uplink ship lock, and double-line synchronous gate entering is carried out; water in the lock chamber of the downstream ship lock is discharged to the lock chamber of the upstream ship lock until the water level of the lock chamber of the downstream ship lock is flush with the downstream approach channel, and at the moment, the water level of the lock chamber of the upstream ship lock is flush with the water level of the upstream approach channel; double-wire synchronous gate-out is carried out; after the lockage is completed, the double-wire function is automatically switched; and the new round of ship enters according to the switched route, and the operation is repeated. According to the method, the water-saving rate of the ship lock is further improved on the premise that the structural complexity, the maintenance difficulty and the economic cost are not increased.

The application provides a construction concrete curing process and relates to the technical field of building construction, which comprises the following steps: surface film forming treatment is performed in the initial setting stage of the concrete; a composite curing layer with water retention and reflection functions is laid; the humidity of the concrete is monitored through a buried humidity sensor to obtain humidity data; a local water supplement system is controlled to operate according to the humidity data; and dynamic temperature regulation is implemented in combination with the ambient temperature. The water retention film layer seals the surface pores of the concrete, solving the early cracking caused by the rapid evaporation of water. The composite curing layer uniformly distributes water, eliminates the local dry-wet difference, reflects solar radiation, reduces the surface temperature and reduces the temperature stress cracks. The humidity of the concrete is monitored through the humidity sensor, and water is supplemented as needed, which reduces the water resource consumption compared with the timed spraying, achieves the water saving effect, and also solves the contradiction between the strength reduction caused by the excessive water supplement and the shrinkage caused by the insufficient water supplement in the traditional curing.

The utility model relates to a channel water-saving gate device based on buoyancy self-adjustment, the channel water-saving gate device based on buoyancy self-adjustment comprises a gate groove, a gate and a buoyancy linkage structure, the buoyancy linkage structure comprises a fixing rod arranged on the backwater side of the gate, the fixing rod is rotatably connected with a plurality of levers, the top of the gate is provided with a connecting handle, and the connecting handle is connected with the gate. The first connecting end, close to the gate, of the lever movably penetrates through the connecting handle and then is connected with a first limiting block, and the second connecting end, away from the gate, of the lever is connected with a first floating ball through a connecting rod so that the first floating ball can drive the gate to ascend and descend along the gate groove along with ascending and descending of the water level of the backwater side of the gate. A plurality of second floating balls are connected to the bottom of the gate, and when the gate is completely closed, the second floating balls are higher than the first floating balls, so that when the water level of the upstream side of the gate rises to the second floating balls, the gate can be opened under the action of the second floating balls to drain water. The channel water-saving gate device not only can accurately control the irrigation water level, but also has the flood discharge capacity.

The utility model discloses a water-saving and energy-saving membrane separation device which comprises a separation tank and a filtering membrane arranged in the middle of the separation tank and used for filtering, fixing frames are arranged at the connecting positions of the upper side and the lower side of the filtering membrane and the separation tank respectively, a water inlet valve is arranged at the position of the upper left side of the separation tank, and a water outlet valve is arranged at the position of the lower left side of the separation tank. A water outlet valve is arranged at the right lower side position of the separation tank, a driving motor connected with an external power supply for supplying power is arranged at the right upper side position of the separation tank, and the impurity accumulation degrees at all positions are different in the long-time use process of the filter membrane. All positions of the filter membrane are comprehensively washed through movement of the spray head, impurities accumulated in different degrees can be accurately removed, the situation that the overall performance of the filter membrane is affected by too many local impurities is avoided, washing dead angles possibly existing in a traditional washing mode are avoided, washing comprehensiveness is guaranteed, and the washing efficiency is improved. Therefore, each part of the filtering membrane can be effectively cleaned, and the flushing effect is further improved.

The invention provides a water-saving valve device for duck egg cleaning, and belongs to the technical field of duck egg cleaning, the water-saving valve device comprises a plurality of water-saving assemblies, and each water-saving assembly is configured to accurately clean duck eggs and save water resources. The water-saving assembly comprises a sleeve used for conveying water flow for cleaning. The water conveying ball is movably arranged at the front end of the sleeve and configured to adjust the direction of sprayed water flow, and a water spraying groove is formed in the middle of the water conveying ball and used for spraying out water; the rotating ring is rotationally arranged outside the sleeve, movably connected with the water conveying ball and configured to drive the water conveying ball to rotate to a designated position; and the barrier strip is movably arranged at the upper part of the water spraying tank and is used for changing the water yield of the water spraying tank. The rotating ring drives the water conveying ball to rotate in the sleeve, the direction of water flow sprayed out of the water spraying groove in the top of the water conveying ball can be changed, then fixed-point cleaning is conducted on different positions of duck eggs, fixed-point cleaning can be achieved, and meanwhile water resources are saved.

The invention discloses an automatically-controlled circulating water-saving device in the technical field of building construction environmental protection. The automatically-controlled circulating water-saving device comprises a weight acquisition module, a filtering module, a liquid level module, a visual module and a control module, the weight acquisition module is used for acquiring the weight of a cleaned automobile; the filtering module is used for recovering and filtering sewage generated after automobile cleaning to generate first clear water; the liquid level module is used for collecting the liquid level of first clear water; the car washing module comprises a car washing tank and a plurality of washing units; the visual module is used for identifying the types of automobiles; the control module is used for controlling the spraying angle and the water outlet speed of the cleaning unit. The system is simple and easy to operate, highly automatic car washing is achieved through cooperation and assistance among the filtering module, the car washing module, the vision module, the control module and other modules, the labor cost is saved, meanwhile, cleaning liquid is recycled and used for car washing and fence spraying, secondary utilization of the cleaning liquid is achieved, and resource loss is reduced.

The application relates to the technical field of aquaculture machinery, in particular to a breeding special water pollution reduction water-saving type micro-filter capable of controlling backwashing flow by changing pressure, which comprises a rack, a filtering rotary drum, a driving motor, a backwashing water pump, a backwashing nozzle, a differential pressure sensor and a programmable controller, the filtering rotary drum is installed on the rack and is used for solid-liquid separation of water, the driving motor is in transmission cooperation with the filtering rotary drum to drive the filtering rotary drum to rotate, the differential pressure sensor is used for detecting the pressure difference between the water inlet side and the water outlet side of the filtering rotary drum and outputting a detection signal, and the backwashing water pump is in pipeline communication with the backwashing nozzle. In the breeding special water pollution reduction water-saving type micro-filter capable of controlling backwashing flow by changing pressure, the backwashing pressure and flow can be dynamically adjusted according to the filter screen blocking rate, the light blocking and the heavy blocking are distinguished to match corresponding washing intensity, and the problems of excessive washing, water resource and electric energy waste of traditional equipment are completely solved.

The utility model discloses a wheat-steeping ventilation overflow wheat-water separation water-saving device, which relates to the technical field of beer manufacturing equipment and comprises a wheat-steeping tank body, a separation component and a blanking groove body, a protection plate is arranged on the wheat steeping tank body, connecting frames are arranged on the inner wall of the protection plate, the connecting frames are evenly distributed in the circumferential direction with the protection plate as the circle center, the number of the connecting frames is multiple sets, and mounting rings are arranged between the multiple sets of connecting frames; the separation assembly is arranged on the barley steeping tank body and is used for separating barley from barley water in a use state; and the blanking groove body is arranged on the wheat steeping tank body. According to the utility model, the separation assembly is arranged, so that solid particles such as barley can be effectively intercepted in the barley steeping tank body in the overflow process and are prevented from flowing out along with water, more thorough wheat-water separation can be realized, and the separation efficiency is improved; and fluid dynamic characteristics in the wheat steeping tank body can be optimized, so that water flow is smoother, and meanwhile, the possibility that wheat is brought out by the water flow is reduced.