59results about How to "Reduce rainfall" patented technology

The invention discloses a rainwater and pollutant split-flow processing method and system for a refuse landfill. The processing system comprises an underground water guiding and drainage system and a landfill leachate guiding and discharging system. A field region is divided into a plurality of landfill work zones according to elevations. The underground water guiding and drainage system and the landfill leachate guiding and discharging system are completely paved on the landfill operation regions which have been operating, temporary embankments are arranged on the junctions of the landfill operation regions which have been operating and the landfill operation regions which have not operated yet, and vertical water guiding facilities are arranged on the sides, close to the landfill operation regions which have not operated yet, of the temporary embankments. The processing method includes the steps that landfill work is carried out from landfill work zones with smaller elevations to the landfill work zones with larger elevations in sequence; the underground water guiding and drainage system is paved according to the landfill work sequence, and then the landfill leachate guiding and discharging system is constructed according to the landfill work sequence; the temporary embankments and the vertical water guiding facilities are arranged so that rainwater collected in the landfill operation regions which have not operated yet can be directly guided to the underground water guiding and drainage system. The rainwater and pollutant split-flow processing system is simple in structure, convenient to construct, controllable in cost and capable of effectively achieving rainwater and pollutant split-flow in the refuse landfill.

The invention belongs to the field of disaster reduction and prevention and smart cities, and particularly relates to an intelligent delayed plant irrigation device. The device comprises a rain collecting support part, a precipitation water storage part, a filtering adsorption part, a stirring part and a spraying part. This kind of devices are arranged in batches in a green belt or a park of a city. By collecting and treating rainwater and snow water and then carrying out irrigation on plants in rainless days, not only is rainwater stored in a centralized manner when the rainfall is large, butalso urban waterlogging caused by overlarge rainfall is avoided, and meanwhile, rainwater is stored and treated and then used for irrigation, so that the direct application of rainwater after primarycollection is achieved, and the increase of unnecessary treatment costs caused by retreatment after rainwater is mixed with other sewage is avoided.

The invention relates to a rain and sewage diversion system for a phosphogypsum yard, a water guide pipe (30) for guiding water at the rear part of the yard and the water seeped from a hillside to a down stream of the yard is arranged in a hill body (20) below the bottom of the valley-shaped phosphogypsum yard (100), an intercepting drain (60) for isolating the steep hillside from the yard is dug on the steep hillside (21) at the height of a slag heap, which corresponds to the maximum bearing capacity of the water guide pipe, the intercepting drain is communicated with a water accumulation region at the rear part of the yard and a region outside the yard, even a pipeline at the bottom of a reservoir is sunk, water level at the tail part of the reservoir only rises to the height of the intercepting drain, and then the water flows out the region of the yard from the intercepting drain, thereby avoiding forming a dammed lake, preventing a slag field from being destroyed by flushing, protecting the safety of the masses at the down stream of the slag field, and also preventing surface water from back-filling into the yard. The height of phosphogypsum accumulated on an anti-seepage membrane is always higher than the water level at the tail of the reservoir, and the problem that the anti-seepage membrane is jacked up and raised by underground water can be avoided during the running process of the slag field. The system selects one side with steeper slope of the hillside to build the intercepting drain, and the loss of reservoir capacity is minimal.

The invention relates to a dispersive sewage multilayer soil ecological treatment device which comprises a raw water tank, a first sedimentation tank, a contact oxidation tank, a biological filter tank, a second sedimentation tank, a flow regulating tank, a soil treatment tank and a water collection tank which are connected in sequence,, wherein the raw water tank, the contact oxidation tank, the biological filter tank, and the soil treatment tank are respectively connected to an air blower, and the soil treatment tank comprises a tank body, a water distributing pipe, a water passing layer, a soil layer, a ventilation layer, an air layer, a quartz sand layer, a cobblestone layer and a water collecting pipe. A treatment method comprises the following steps of: (1) lifting sewage to the first sedimentation tank for anaerobic sedimentation after collecting the sewage by using the raw water tank; (2) entering the contact oxidation tank, and then making discharged water pass through the biological filter tank; (3) after passing through the second sedimentation tank, making the discharged water enter the flow regulation tank, and then delivering the discharged water to the soil treatment tank; and (4) intermittently performing water intake and ventilation on the soil treatment tank. The invention effectively improves the osmotic coefficient of a soil layer, the hydraulic loading is up to above 2.0-8.0m and is increased by dozens of times higher than the traditional soil treatment method, and the treatment efficiency is obviously improved.

The invention discloses a rainwater collection system for a hollow permeable kerb. The system comprises the hollow permeable kerb, a rainwater well in a green belt, an underground rainwater adjustingtank and a pipeline for connecting the components; the hollow permeable ker is laid between the road surface and the green belt and is used for draining rainwater on the road surface; when rainfall intensity is low, rainwater on the road surface can flow into the green belt through the hollow permeable kerb; excessive rainwater on the road surface can flow into the rainwater adjusting tank throughthe hollow permeable kerb along with increase of the rainfall intensity; excessive rainwater which cannot permeate into the green belt in time can be collected into the rainwater adjusting tank through the rainwater well; the rainwater adjusting tank has the effects of storing rainwater and regulating rainstorm flood peak flow; and in sunny days, rainwater stored in the rainwater adjusting tank can be used for watering green plants. With the system of the invention adopted, road ponding can be effectively solved, and initial-stage rainwater is discarded and enters the green belt to be infiltrated, and middle- and later-stage rainwater is stored and recycled.

Provided is an automatic water draining type well cover. The well cover comprises a well cover body and a water draining device arranged below the well cover body; the water draining device is provided with a water draining support connected with the well cover body; the water draining support is provided with a plurality of vertically arranged water draining columns, and the well cover body is provided with water draining holes matched with the water draining columns; the water draining columns are installed on the water draining support through lifting devices, and are provided with spiral water draining grooves; the bottoms of the water draining columns are provided with water draining fans used for increasing the water draining speed; and the water draining device further comprises a storage battery used for providing a power source for the water draining fans, and the storage battery is installed on the water draining support through a waterproof shell. The automatic water draining type well cover is reasonable in design and practical, the water draining amount can be automatically adjusted according to the rainfall while installing and using are convenient, water draining isperformed in time, the amount of accumulated water on a road surface is effectively lowered, and safe passing of pedestrians and vehicles is guaranteed.

The invention discloses a greening system for a green roof of a high-rise building, and relates to the technical field of green buildings. The greening system comprises a supporting frame and plantingpots arranged on the supporting frame; the supporting frame comprises a plurality of supports connected in sequence; one planting pot is mounted on any support in a matching manner; each support comprises a rectangular frame body, the four corners of the upper surface of the rectangular frame body are each provided with a supporting column, and the four corners of the lower surface of the rectangular frame body are each provided with a supporting column; a plurality of notches I with T-shaped cross sections are respectively formed in the two opposite outer side walls of the rectangular framebody; two connecting columns I and two connecting columns II are respectively arranged on the other two opposite outer side walls of the rectangular frame body; a drainage tank body is arranged at theposition, located between every two supports, on the corresponding connecting column I and the corresponding connecting column II; and an irrigation tank body is arranged at the position, located between every two supports, above the corresponding drainage tank body. According to the greening system, a planting structure composed of the supports and the planting pots is adopted, soil is preventedfrom being directly stacked on the roof, and replacement and maintenance of plants in the planting process are facilitated.

The invention relates to the technical field of transformers, and discloses an outdoor rainproof and lightning-proof transformer which comprises a transformer body. Heat dissipation frames with hollow centers are fixedly connected to the front, rear, left and right surfaces of the transformer body, and a plurality of heat dissipation fins are fixedly connected to the upper and lower inner walls of the heat dissipation frames at equal intervals. The top surface of each heat dissipation frame is provided with a cylindrical bulge, the outer wall of the cylindrical bulge is sleeved with a water tank, and the top surface of the transformer body is provided with holes corresponding to the positions of every two heat dissipation fins, and the inner wall of each hole is sleeved with a shifting rod. Through the arrangement of a baffle plate, the transformer body can be directly cooled through rainwater in rainy days, so that the baffle can automatically seal the gaps between the heat dissipation fins, the problem that rainwater mixed with dust and other impurities fall onto the heat dissipation fins and adhere to the heat dissipation fins, and consequently heat dissipation is poor is solved; the baffles can automatically retract to unfold the heat dissipation fins along with evaporation of water in the water tank in sunny days, so that the heat dissipation effect of the heat dissipation fins on the transformer body is guaranteed.

The invention discloses a parking lot speed monitoring device which comprises a groove arranged in a lane. A lifting type deceleration mechanism is arranged in the groove and includes a hydraulic cylinder fixedly arranged on the bottom surface of the groove, a support plate is arranged on the side wall of the hydraulic cylinder, a second spring is arranged on the support plate and sleeves a pistonrod from outside, a mounting table is connected to the top of the second spring, a deceleration table is arranged above the mounting table, the mounting table is connected with the deceleration tablethrough a first spring, and multiple deceleration teeth are arranged on the deceleration table side by side; the mounting table includes a shell, multiple through holes are formed in the upper surface of the shell, and the through holes are communicated inner and outer spaces of the shell. By the arrangement, the deceleration table can be lifted according to current driving speed of a vehicle andsafety situation in a parking lot, and driving safety in the parking lot is improved.

The invention discloses a rainwater and sewage diverting device for a refuse landfill. The device comprises a flow guiding groove, anchor rods, convex blocks, supporting plates, seepage holes, a flowguiding film, a flow guiding pipe and an anti-water-accumulation mechanism. According to the device, part of rainwater falling from the outside penetrates through a greening layer to permeate into anearthwork layer, the other part of rainwater slides onto the flow guiding film in the flow guiding groove from the greening layer, the infiltrated rainwater is blocked through an anti-permeation layer, the rainwater flows into the flow guiding pipe along the anti-permeation layer, and the flow guiding pipe discharges the rainwater into the flow guiding film; and after a period of time of rainwaterand sewage diverting, a driving motor is started, and the output end of the driving motor drives a guiding wheel to advance on a guiding rail, so that a jacking wheel on a rotating shaft jacks the flow guiding film to gradually move towards one side of a gutter inlet, and the accumulated water on the flow guiding film gradually flows towards the gutter inlet until the accumulated water is discharged from the gutter inlet.

The invention discloses a layered flood discharge structure for reducing a flood discharge fog rainfall, relates to the field of flood discharge, and reduces the flood discharge fog rainfall. A flooddischarge port is divided into multiple water outlet channels, and is longitudinally cut in the vertical direction; all the water outlet channels are rectangular; the top water outlet channel is horizontal, and the rest water outlet channels are downwards bent; included angles between tangent lines of the upper surfaces of the inner walls of water outlets in a water flowing direction and the horizontal direction are called as emitting angles; from the bottom water outlet channel to the top water outlet channel, the emitting angles are gradually reduced; and the area of the water outlet of thetop water outlet channel is 80-90% of the area of a water inlet thereof. The emitting angle of the bottom water outlet channel is 45 degrees. The width of the water outlet of each water outlet channelin the horizontal direction is larger than the widths of the water outlets of the water outlet channels on the lower side in the horizontal direction; and the center lines of all the water outlets are positioned in one plane. A water guide plate is arranged on the upper surface of the water outlet of the top water outlet channel. The structure has the beneficial effect of greatly reducing the flood discharge fog rainfall.

The invention discloses fast anti-theft placement equipment for a landscape flower pot. The fast anti-theft placement equipment comprises a walking mechanism, a shell, a positioning mechanism, locking mechanisms and drainage mechanisms, wherein the shell is in a stepped form; a walking mechanism is arranged at the lower end of the shell; the positioning mechanism is arranged at the upper end of the shell; the locking mechanisms are arranged at two ends of the positioning mechanism; one drainage mechanism is arranged at one end of each locking mechanism; the positioning mechanism comprises a first fixed seat; the first fixed seat is provided with a fixed clamping plate; a second fixed seat is arranged at one side of the fixed clamping plate and is provided with a slide block; and a movable clamping plate is arranged on the slide block. Through coordination of the fixed clamping plate and the movable clamping plate, the position of the pot is fixed, and the pot is not easily moved away and the anti-theft performance is increased; the shell is convenient to move through universal wheels at the bottom end of the shell, so that convenience is brought for disassembly of the landscape flower pot, and the disassembly efficiency of a worker is improved.

The invention discloses a method for raising seedlings of winter wheat after-crop angelica sinensis and controlling early bolting rate. The method comprises the steps of land selection, seedling raising land pretreatment, seeding in the seedling raising period, field management in the seedling raising period, seedling lifting, seedling airing and storage. With adoption of the seedling raising of the winter wheat after-crop angelica sinensis, the seedling raising altitude is reduced, traditional wasteland is replaced with farmland, damage to vegetation is reduced, and the method is an eco-friendly seedling raising mode; the planting management is convenient, and the labor cost of land reclamation and high-altitude cultivation can be effectively reduced; and by means of the seedling raising of the winter wheat after-crop angelica sinensis, the use of fertilizer is reduced, the land utilization efficiency and multiple cropping index are improved, the production cost is saved, and farmer income increase and ecological environment protection are truly realized.

The invention discloses an air outlet mesh cover, an air conditioner outdoor unit and an air conditioner. The air outlet mesh cover comprises a frame and a grid, wherein the grid comprises a pluralityof grid bars, the grid bars are arranged in an inclined mode, and when rainwater falls onto the grid, the rainwater can be quickly drained downwards in the inclined direction of the grid bars under the action of gravity, so that the rainwater is prevented from being accumulated on the grid; due to the fact that second inclined planes are wider than first inclined planes, the rainwater falling onthe second inclined planes can flow outwards along the inclined planes, and it is difficult for water flow to reach the first inclined planes; and fourth inclined planes are narrower than third inclined planes, so that the water flow drops along the fourth inclined planes and falls onto the second inclined planes of the adjacent grid bars, and the water flow cannot spread inwards from the upper side surfaces and the lower side surfaces of the grid bars, so that the rainwater can be effectively prevented from entering the inner side of the air outlet mesh cover, the waterproof performance of the air outlet mesh cover is effectively improved, and the grid bars have low wind resistance, so that the heat dissipation effect is improved, and the structure is practical and reliable.