198 results about "Rain fall" patented technology

A portable rain-falling simulator is composed of a supporting frame consisting of supporting legs and frame, a spraying pipe system consisting of water trunk and a group of spraying pipes with several sprayers for each, and water supply system consisting of water pump and water tank.

The invention discloses a simulated experiment device of infiltration and seepage which comprises a simulation case with a water storage tank and a horizontal soleplate; a water-supplying chamber, a simulation chamber with a water-bearing layer, and a water drainage chamber are arranged in the simulation case; an infiltration device arranged at the top of the simulation case is installed in the simulation chamber; an infiltration case with an infiltration rain fall plate at the bottom and an infiltration liquid supplying case positioned at the top of the infiltration case are arranged in the infiltration device, and the top of an infiltration liquid pipe located in the infiltration case is communicated with the bottom of the infiltration liquid supplying case; a tracer injection case is arranged at the top of the simulation case and at the upstream end of the simulation chamber, and the tops of at least three tracer control pipes positioned in the water-bearing layer of the simulation chamber and provided with control valves are respectively communicated with the bottom of the tracer injection case. The invention with a reasonable structure provides intuitive information on the physical process that water infiltrates the ground surface to supply the ground water, the ground water recharge method, seepage characteristics of steady movement of ground water, in order to conduct the relevant experiment and parameter measurement.

The invention relates to a farmland nitrogen and phosphorous non-point source pollution control and recycle system, and a method thereof. The system comprises a water collector, an adsorption unit and a water store which are sequentially arranged from the upstream to the downstream according to farmland surface runoff and underground runoff paths. The water collector, the adsorption unit and the water store are sequentially transversely arranged according to the farmland surface runoff and underground runoff paths, so when rain falls or irrigation is carried out, the farmland water is surplus, meets in the water collector through the farmland surface runoff and underground runoff, the water in the collector continuously downward flows and goes through the adsorption unit, nitrogen (N) and phosphorous (P) are adsorbed, the purified farmland drainage enters the water store, and the superfluous purified drainage is discharged to a river and a lake; and when farmland recharging is carried out, the water which reversely flows goes through the adsorption unit for the N and P desorption, and the desorbed N and P enter the water collector with the water flow, afresh enter the farmland and are adsorbed and utilized by crops. Compared with the prior art, the method has the advantages of pollution control, recycle, fertilizing cost saving and the like.

The invention discloses a method and device for detecting rain fall through laser. The device comprises a laser light source meeting a certain wavelength and power requirement, a parallel sheet light beam generating system based on a specified generation method, a two-dimensional water particle bidirectional sampling measurement area formed by two parallel sheets perpendicularly intersected in the horizontal direction, a linear array sensor and a rain fall detecting data processing and information feedback system. The device for detecting the rain fall through laser greatly improves the constant and stable property of detecting light and reduces measurement errors caused by light source power fluctuation. A real time humidity/ meteorological parameter sensing critical starting method is adopted. Due to the fact that calibration and correction are conducted before detection, the measurement errors caused by drifting of work points of the system can be reduced to the largest extent, and meanwhile energy consumption of a measurement system is reduced. By means of the device for detecting the rain fall through the laser, the rain fall, raininess and a raindrop spectrum can be accurately and continuously observed and measured in real time. The device for detecting the rain fall through the laser can be applied to the related fields for observing, measuring and forecasting the rain fall including weather, hydrology, high way conditions, airport taking-off and landing and the like.

A scene judging section (11) judges the present scene of the car having a car body equipment control device on the basis of the outputs of a navigation device (2), an input device (3), a car control system (4), an optical sensor (31), a rain fall sensor (32), a car speed sensor (33), a smoking sensor (34), an outside air temperature sensor (35), a room temperature sensor (36), a radar (37), and a camera (38). A control section (14) controls car body equipment (6) in accordance with the scene acquired as the result of the judgment by the scene judging section (11). An arbitrating section (12) arbitrates competition, if any, between control requests about a piece of the car body equipment. A link processing section (13) makes control request about another piece of the car body equipment in link with the control content of the control section (14). With this, the car body equipment are integrally controlled adaptively to the present scene of the car.

The invention discloses an automatic sampler for dry and wet deposition of radiation environment, comprising a box, wherein, the top of the box is provided with a rain inductor, the top plate of the box is provided with a deposition collection cylinder and a rain water collection cylinder, a rain water collection bottle is arranged in the box, a communicated rain water distributing pipe is connected between the rain water collection cylinder and the rain water collection bottle and connected with a rain water distributing valve; the rain water collection cylinder is provided with a sealing cover which is connected with the output shaft of a lift/rotation switching mechanism, and the part between the rain water collection bottle and the rain water distributing pipe is sealed. The invention has two functions of collecting rain fall and dust fall, and the single-shaft type switch structure can adapt to any severe outdoor work environments.

The invention provides a municipal drainage pipeline slurry balance pipe-jacking construction method which includes that on a municipal drainage construction pipeline, every 80-120m pipeline serves as one construction section, a working pit and a receiving pit are adopted in each construction section to serve as pipe-jacking sinking wells, the sinking wells are sunk to be at the designed sinking well height, and then slurry balance machines are used for pipe-jacking construction; and the sinking wells are subjected to groove digging by aid of steel plate piles and water stop curtain supports, the machines are used for earthwork digging in the sinking process, the sinking wells are sunk to the preset depth under the effect of sinking well rebar concrete self weight or external force, and the slurry balance machines are used for pipeline pipe-jacking construction. The municipal drainage pipeline slurry balance pipe-jacking construction method has the advantages of having strong safety, having small influence on close buildings and pipelines, leading the earth surface to have small settlement and shifting, and being short in construction period, saving in manufacture cost, small in floor occupation and the like, solves the technical problems of advanced support construction for rain falling, wide digging range and large damage influence on surrounding pipeline roads, and is especially applicable to construction in narrow places and other complex environment conditions.

The invention provides an earthquake early warning method based on Internet of Things multi-sensor information fusion and a neutral network technology, which comprises the concrete steps of firstly performing networking fusion on the multi-sensor information of multiple earthquake parameter monitoring points by the Internet of Things technology, wherein the information comprises soil radon alpha energy spectrum, well radon alpha energy spectrum, temperature in soil, humidity in the soil, air pressure in the soil, surface temperature, surface humidity, surface air pressure, surface wind speed, surface rain fall, well water level, well water temperature, well water turbidity, well water mercury, well water carbon dioxide, earthquake sound, earthquake tilting and the like; then obtaining abnormal information feature vectors by wavelet analysis, a correlational analysis method, a feature tree search method, a non-linear quantifying and processing method and a main component analysis method; and finally obtaining the relation between the multi-sensor information abnormality and an earthquake by the neutral network technology, thus achieving the aim of predicting the earthquake. The technical scheme of earthquake early warning method based on the Internet of Things multi-sensor information fusion and the neutral network technology is feasible and convenient to implement and can achieve the aim of more accurately predicting the earthquake.

The invention discloses an expansive soil slope and a construction method. The slope toe angle of the slope is increased to steepen the slope, so that the slope surface water is mainly runoff when rain falls or water flows through to reduce seepage, and the moisture content in the expansive soil of the slope is controlled to be within a lower range to prevent the loss of stability due to expansion of the expansive soil after water absorption of the slope. According to the slope and the method, the varying slope of the expansive soil slope is 45-60 degrees to quicken the surface runoff of the rainwater; the surface of the slope is covered by a clay layer with thickness of 10 cm; fiber reinforcements with length of 20-25 cm are uniformly implanted into the surface of the slope and are exposed out of the clay layer for 3-5 cm; turfs of which roots develop well in the transverse direction but develop poorly in the longitudinal direction are planted on the clay layer.

The invention relates to a rainwater well with purification and storage functions. The top of an inner well is fixedly connected with a fine screen overturning plate with a floating ball valve; the floating ball valve drives the fine screen overturning plate to rotate; a weir plate is arranged between one side of the well mouth of the inner well and the fine screen overturning plate; a sedimentation groove is formed below the fine screen overturning plate; a filtering net is arranged between an outlet of the sedimentation groove and the weir plate; a water distribution plate with uneven gaps is arranged below the sedimentation groove; biological filler is arranged in a cavity formed by the water distribution plate with the uneven gaps and the bottom of the inner well; an outer well built by water permeable bricks and a reservoir are arranged outside the inner well; channels between the inner well and the outer well are arranged at the two sides of the exterior of the inner well; the reservoir is internally provided with an overflow wall; a drainage pipeline is arranged at one side of the bottom of the reservoir; a rainwater well coarse screen is arranged at the top of the outer well. At the initial period, rain falls into the sedimentation groove in the upper portion of the inner well, the water level rises to drive a floating ball to rise to make the fine screen overturning plate closed, during long-time rainfall, rainwater directly flows into the reservoir through the channels between the inner well and the outer well and is mixed with treated rainwater at the initial period, and mixed rainwater flows into the reservoir for storage.

The invention relates to a tectorial dual-channel water-collecting planting method in ice crust, which is proceeded according to the following methods and procedures that firstly, enough ground fertilizer is fertilized in spring seeding crop land blocks which are preserved in late autumn, the land blocks are deeply ploughed and flatly harrowed, secondly, water-collecting sowing ditches are opened along the length of land blocks in the land blocks which are prepared in the ice crust time after the beginning of spring, thirdly, super-thin films are immediately covered on two ditches, edges are tightly pressed by fine soil, fourthly, one side of mulch film is uncovered when sowing, and sowing is proceeded as mulch film is uncovered, seeds are dibbed in the water-collecting sowing ditches, mulch film is tightly pressed immediately, fifthly, when seedlings which grow under mulch films press mulch film, the positions where seedlings press mulch film are broken and seedlings are released in a sunny morning, and broken mouths are sealed with fine soil quickly. The invention can accumulate rain fall in autumn, and uses rain in the autumn when in spring, and can collect ineffective rain fall smaller than 5mm in spring, and collects, superposes, and utilizes the moisture of the soil on site, and satisfies moisture requirements when in spring seeding periods of crops which are sowed in spring, and the invention adopts the ditch-sowing technique, which can avoid damage to crop seedlings due to late frost and reversal spring coldness.

The invention discloses a lost foam casting forming technology of a reciprocating grate plate for waste incineration. The lost foam casting forming technology is characterized by comprising the steps of 1) manufacturing of a foam pattern; 2) drying and stabilization of the foam pattern: placing the foam pattern obtained through foam forming in a drying chamber to be subjected to drying treatment, controlling the temperature to be 40 DEG C to 60 DEG C, and enabling the moisture content of the dried pattern to be lower than 1%; 3) coating and drying of the foam pattern; 4) modelling: laying a layer of bottom sand at the bottom of a sand box, after vibration, putting the foam pattern in the sand box, then, adding sand in a rain falling sand adding manner, and carrying out vibration while sand adding during the sand adding process; 5) pouring; and 6) cooling and cleaning: after box overturning, carrying out shakeout cleaning on a grate plate casting, and repeatedly utilizing separated dry sand after treatment. The lost foam casting forming technology has the advantages that the grate plate has few casting defects, the surface quality is good, the rate of finished products is high, the technology has good economic benefits, and the like.

The invention mainly discloses an overpass rainwater recovery system and its installation method. Its technical proposal includes a bridge deck and a bridge pier. There is a first drainage pipe connected to the filter, the filter is connected to the underground water tank through the clean water pipe, the top of the pier is provided with a first collection bucket, and the bottom of the pier is provided with a second collection bucket connected with the first collection bucket, The second collecting bucket is connected with the filter through the downpipe. The invention has simple structure and convenient installation, can quickly collect and store rainwater generated during rainfall or road sprinkling, improve drainage efficiency, filter and purify rainwater before storage, improve water resource utilization efficiency, and solve water pollution problems. The collecting bucket and the second collecting bucket prevent rainwater from entering the inside of the bridge pier, effectively preventing rainwater from corroding the bridge pier or affecting the appearance, and are easy to apply and promote.

The invention discloses a device for simulating soil pollution release in different soil environment conditions. The device comprises at least a sample pot used for containing a soil sample, the sample pot is internally provided with a water distribution device, the bottom of the sample pot is provided with a liquid outlet, a lower side of the sample pot is communicated with a gas inlet pipe, an inlet end of the gas inlet pipe is provided with a gas generating device, and the gas inlet pipe is in series connection with a gas flowmeter, a gas temperature control device and a gas moisture control device. The water distribution device is used for simulating the release of pollutants in a sprinkling or rain falling condition, the gas pressure in the sample pot is adjusted by a pressure system,the soil condition in different temperature conditions can be simulated by the gas temperature control device, and the soil condition in different moisture conditions can be simulated by the gas moisture control device; after the gas temperature control device and the gas moisture control device are arranged in series, the device can be better used for simulating multiple soil environment conditions such as dry cold, clamminess, dry heat, wet heat, anaerobism and aerobiosis. The device is used in the field of pollutant simulation tests.

A method for determining a rate of rain falling on a surface. As rain falls and strikes the surface, vibrations are generated on the surface. The vibrations are sensed and a vibration signal is generated, the vibration signal being proportional to the vibrations of the surface. The vibration signal includes peaks. The peaks of the vibration signal are determined. The time intervals between the peaks are then determined. Using the time intervals, a number n₁ of timer intervals that occur between a first time and a second time are counted. A number n₂ of time intervals that occur between the second time and a third time are also counted. The rain rate λ is then determined using an equation that is derived from a point process equation and utilizes n₁ and n₂.

A system and a method for promoting improved air flow through a cooling tower and reduced inner air pressure losses caused by rain in the rain zone of a cooling tower. Aerodynamic modules are mounted on the lower edge of the cooling tower shell in order to deflect the downward-flowing air about the lower edge of the tower shell and into the rain zone. The aerodynamic modules can be modularly mounted, can be replaced, and do not affect the statics of the tower shell. Aerodynamic modules can also be built on the base area to deflect the incoming air over any obstacles. Troughs or dripping elements can also promote flow by reducing the rain falling in an outer area.

The invention discloses a winter-date girdling yield increasing technology and is characterized by the following steps: selecting the days in flowering period, in which no rain falls in girdling period or after girdling and the daily mean temperature stands around 25-26 DEG C for over continuous 3-5 days, as the girdling time; selecting the position close to the fruiting part as the girdling part and maintaining auxiliary culture branches of certain number; controlling the diameter of the girdling part at 1/10-1/8, width of scab mouths not more than 1cm; spraying 10-15ppm of gibberellin 2-3 days after girdling, spraying again every 5-7 days, using 2-3 times continuously, spraying insecticide on the scab mouths once every 4-6 days beginning from 5-7 days after girdling, and smearing the slowly healing scab mouths with high concentration 920 agricultural chemicals 20 days after girdling. The invention solves the problems that leaves fall off untimely, trees are easy to die and the yield increasing effect is unsatisfactory due to over weakened tree vigor by traditional winter-date trunk middle and lower part girdling yield increasing technology, and the invention is suitable for winter-date yield increasing management.

The invention provides a method for preventing garbage from entering a sewer from a sewer manhole cover. Some devices are added in grid gaps of the sewer manhole cover. The devices are closed when no rain falls, and are open when rain falls. The devices arranged in the grid gaps are controlled by a rainwater touching micro switch to open and close. Thus, garbage is prevented from falling into the sewer and entering and blocking a drainage pipe; the number of clearing up the drainage pipe is decreased, and the method can be a symbol for a society modernized.

The invention relates to a driving safety maintenance system and a maintenance method thereof, wherein the method includes the steps of storing the sharpness of a raindrop image in a similarly circular profile shape; shooting the three-dimensional image of a sheltering object on a windshield of a car in real time; intercepting the shot three-dimensional image of the sheltering object on the windshield within scheduled time; conducting image marginalization processing on the intercepted sheltering object on the windshield to obtain the sharpness of the image; judging whether the sharpness of the image of the sheltering object on the windshield belongs to a certain preset range; if the sharpness of the image does not belong to the preset range, judging whether the sharpness of the image is the sharpness of the stored raindrop image in a similarly circular profile shape; and if so, starting a windshield wiper. With the driving safety maintenance system and the maintenance method, the windshield wiper is automatically started by judging whether rain falls according to the situation of the image on the windshield, thus avoiding the situation that the windshield wiper needs to be started by diverting the attention of a driver during driving, adjusting the water wiping frequency of the windshield wiper, and keeping driving safety.

The invention provides a production method of a selenium-rich SOD (superoxide dismutase) cherry. The production method comprises the steps that selenium fertilizer is applied for four times in the cherry production process, and the total dosage is about 40 jin per mu; SOD enzymic preparations are applied for three times, and the total dosage is about 300 grams; the selenium fertilizer is mixed with the SOD enzymic preparations for use in the last three spraying times; solution water is warm water, and the spraying time is before 11 o'clock in the morning and after 15 o'clock in the evening to avoid the high temperature time bucket in the noon every time; the spraying is careful and uniform; spraying must be carried out again if rain falls in six hours after spraying.

The invention provides an intelligent processing system for circulating water for fish culture. The system comprises a culture water tank, an automatic back-flushing mechanical filter, a wet-type biological filter ball, a rain-falling aeration-type filter, an ultraviolet disinfector and an air energy heater. The culture water tank is connected with an oxygen-increasing machine. A submersible pump is arranged between the culture water tank and the automatic back-flushing mechanical filter. A water feeding pump is arranged between the air energy heater and the culture water tank. The automatic back-flushing mechanical filter is provided with a first liquid-level collector, a first temperature collector and a back-flushing pump. The wet-type biological filter ball is provided with a second liquid-level collector, a second temperature collector and an air blower. The rain-falling aeration-type filter is provided with a third liquid-level collector and a third temperature collector. A pipeline between the air energy heater and the culture water tank is provided with a pressure collector and a fourth temperature collector. The intelligent processing system for circulating water for fish culture further comprises a PLC controller. The intelligent processing system for circulating water for fish culture has the following beneficial effects: culture density is high; few pollutants are emitted; and resources are saved.