87results about How to "Improve water collection effect" patented technology

The invention relates to a cooling tower supporting facility, in particular to a cooling tower fog dispersal and water collection device which consists of cool air supply systems, a condensing system, a mixed air bellow and an air intake regulating device. Each cool air supply system consists of a refrigerator, a refrigeration exchanger, an axial flow fan, a variable-diameter air duct and an air collection box. The condensing system is composed of cool air passages, cool air passage partitions, water collection and air guide blades, dry and hot air discharge holes, heat exchange and condensation partitions, damp and hot saturated gas passages, water distribution and collection tanks, a water collection tank and a water tank. The air intake regulating device is composed of a planar plugging plate, a support, a hinge shaft, air outtake regulating plates, a regulating rod and regulating nuts. All the above components are combined to form the cooling tower fog dispersal and water collection device. The requirements on technical difficulty in fog dispersal and water collection under air temperature conditions in different seasons and at air pressure values in different-altitude regions are met, unnecessary waste of a single power supply mode is avoided, production and use cost are lowered, and requirements of environmental protection policies for fog dispersal and water collection and energy conservation and emission reduction under the new situations are met.

The invention relates to a preparation method for anti-ice surfaces of bionic coupling water collecting aluminum alloys; the preparation method is enlightened by water collecting structures at the back parts of desert beetles; and the surfaces of the bionic coupling water collecting aluminum alloys are prepared by adopting a method of coupling hydrophobic areas with hydrophilic areas. In the method, firstly, a laser ablation machining process is adopted to prepare micro-column array structures with a certain depths on the surfaces of aluminum alloys; prepared PDMS and super-hydrophobic kaolinparticle mixtures are rotationally coated in the micro-column array structures, and are placed in a drying box of 100 DEG C for heating by 120 min; and finally, the laser ablation is performed on thesurfaces again to prepare the anti-ice surfaces of the bionic coupling water collecting aluminum alloys. The preparation method is simple in operation, controllable in experimental parameter and low in cost; the method can be used for preparing the anti-ice surfaces of the bionic coupling water collecting aluminum alloys; and the surfaces achieve better ice resistance, excellent mechanical stability and aging resistance.

The invention relates to the technical field of rainwater collection and utilization, in particular to a rainwater collecting and recycling system of a green building. The rainwater collecting and recycling system of the green building comprises a planting box, a first water collecting box, a second water collecting box, a shielding mechanism, a baffle, an irrigation mechanism and a driving mechanism which are arranged on a roof, wherein the planting box is used for planting plants; the planting box is provided with an opening, the baffle rotates to shield the opening, and the driving mechanism is used for driving the baffle to rotate; a first water collecting opening is formed above the first water collecting tank, and a second water collecting opening is formed above the second water collecting tank; and the shielding mechanism comprises a first shielding plate and a second shielding plate, the first shielding plate and the second shielding plate are both movable, the first shieldingplate is used for moving to open or close the first water collecting opening, and the second shielding plate is used for moving to open or close the second water collecting opening. The rainwater collecting and recycling system of the green building has the following effects that 1, the rainwater collecting and recycling system of the green building has the advantage of good energy-saving effect;and 2, the cost is saved.

A high-level water collecting device comprises a plurality of horizontal and parallel water collecting units in rows and upper-portion water-sprayed fillers. The device further comprises a horizontal and stabilizing portion comprising a horizontal stabilizing rod. The water collecting units comprise horizontal rods, water collecting tanks, water collecting plates, anti-splashing fillers and limiting plates. The water collecting tanks of the water collecting units are U-shaped grooves made of glass fiber reinforced plastic material, and the U-shaped grooves are arranged horizontally and parallelly in rows. A wet cooling tower comprises a supporting structure, tower core equipment and a water distribution system. The tower core equipment comprises regional valves, water distribution pipelines, spray nozzles, water-sprayed fillers, the high-level water collecting device and water removers. The high-level water collecting device comprises a plurality of horizontal and parallel water collecting units in rows and the upper-portion water-sprayed fillers. According to the high-level water collecting device and the wet cooling tower with the same, the water collecting effect is extremely good, circulating water loss is low, resource is utilized fully, power is saved, and equipment is mounted conveniently and can be operated safely and reliably in bed weathers.

The invention discloses a novel irrigation device based on a radiation refrigeration and capillary permeation principle. The novel irrigation device is characterized by comprising a water collection module, a water storage module and a water output irrigation module, which are arranged from top to bottom; the water collection module comprises a water collector (1), the water storage module comprises a water collection tank (2), the water collector (1) is communicated to the top end of the water collection tank (2), the bottom end of the water collection tank (2) is connected to the top ends of a plurality of irrigation pipes (5), and each irrigation pipe (5) is filled with swelling soil (6). According to the novel irrigation device based on the radiation refrigeration and capillary permeation principle, the water in the air is used for irrigation, the adequate utilization of the water resource is realized, and the novel irrigation device is suitable for being widely popularized to use in the region with large temperature difference between daytime and night and in water shortage.

Improved water management systems which deflect or collect evaporative liquid exiting counterflow heat exchangers and improve airflow distribution are provided. Such heat exchangers include open cooling towers, closed circuit cooling towers, and evaporative condensers. The improved water management systems eliminate water splash out and the noise associated with water splashing. Further, when the fan assemblies are located below the evaporative heat exchanger, the improved water management systems keep the fans dry and prevent freezing in subzero climates.

The invention relates to the technical field of afforestation and soil preparation and particularly relates to an afforestation and soil preparation method for rocky barren mountains in semi-arid regions. The method comprises the following steps of: digging trenches: digging the trenches around the mountain along the contour line of a slope and separating surface soil from subsoil; building soil dams: piling the soil dams by subsoil along the extending directions of the trenches at the lower edges of the trenches; surface soil backfill: backfilling the surface soil to the trenches; and planting hole setting: setting the planting holes according to plant spacing in the trenches and adding mixed soil mixed by carrying soil, subsoil and surface soil in the planting holes, wherein the mixing proportion is as follows: carrying soil: subsoil: surface soil=1:1:1. According to the afforestation and soil preparation method for rocky barren mountains in semi-arid regions provided by the invention, the trenches are dug around the mountain, so that the soil preparation extent is great, the site conditions are obviously improved, and the water collecting effect is further quite remarkable. By adding the carrying soil, the soil nutrient condition of the planting holes is greatly improved, and the survival rate of afforestation and the volume of forest tree growth are effectively improved.

The invention discloses a sponge city road water storage and draining structure. The sponge city road water storage and draining structure comprises a sidewalk and a lane which are arranged along thewidth direction of a road and is characterized in that a green belt is arranged on the inner side of the sidewalk, and a plurality of rainwater inspection wells are arranged on the lane at intervals along the length direction of the road; the green belt sequentially comprises a water storage layer, a composite geomembrane, a planting soil layer, water-permeable geotechnical cloth, a middle sand layer and a grass planting tile layer from bottom to top; a water storage tank is embedded into the lane along the length direction of the road, the water storage tank comprises a tank body, the top endof the tank body is parallel with the surface of the lane, a long tank for storing water is arranged in the tank body, and a gap is arranged between the top of the long tank and the top surface of the tank body; the lane at the green belt is provided with a plurality water storage wells at intervals, and the water storage wells separate the water storage tank into multiple sections, a plurality of water-permeating pipes are connected to each storage water tank section at intervals, and the other ends of the water-permeating pipes extend into the water storage layer. The sponge city road waterstorage and draining structure has the advantages that the water storage tank is used to increase the water storage ability of the road, the water can be slowly released into the green belt after therain, watering frequency is reduced greatly, and draining pressure during heavy rains is relieved.

The invention discloses a bituminous pavement. The bituminous pavement comprises a base layer, a broken stone hardcore paved on the base layer, a water collecting portion arranged on the base layer, and a bituminous layer paved on the broken stone hardcore. The water collecting portion comprises a water storing beam fixed to the base layer, stiffening beams fixed to the two sides of the water storing beam correspondingly and a water collecting pipe fixed to the water storing beam. The interior of the water storing beam is hollow, and the water collecting pipe communicates with the interior ofthe water storing beam. The two ends of the water storing beam are arranged on the two sides of a road correspondingly. The water storing beam is arranged in the broken stone hardcore, and the upper end of the water collecting pipe communicates with the upper surface of the bituminous layer. The bituminous pavement provided by the invention has the following advantages and effects that the bituminous pavement can absorb and store rainwater, the rainwater stored in the pavement is evaporated in hot weather, the temperature on the bituminous pavement is decreased, and accordingly, the effect that the temperature environment on the bituminous pavement is improved is achieved.

The invention relates to an unirrigated vegetation planting method by Haloxylonammodendron for heavy clay lands of an arid area. The method includes the steps of land preparation, sand changing for planting pits, seedling quality determining, planting and managing; according to three-year experimental study and large-scale practice, natural rainfall is collected by building of artificial catch basins with sand changing for culture substrate of planting pits; owing to ease of seepage, good water retention and low evaporation in sandy soil, effective available moisture is provided; excess surface water accumulation is prevented, and normal growth of plants is guaranteed. The novel method is provided for unirrigated vegetation recovery by Haloxylonammodendron for the heavy clay lands of the arid area, and the problems that current vegetation recovery for the heavy clay lands of the arid area is difficult and maintenance cost is high are solved.

The invention provides knitted fabric with a water collecting function and clothes. The knitted fabric comprises a water guide area, a water repellent area and a water collecting area, the water guide area is of a double-layer structure, the hydrophilic performance of the outer layer of the water guide area is higher than that of the inner layer, the water repellent area has hydrophobic performance, an inner layer and an outer layer of the water guide area are connected through plaiting weave, the water guide area and the water repellent area are connected through intarsia weave, the water guide area guides sweat to the water collecting area, and the water collecting area is used for collecting the sweat. The knitted fabric with the water collecting function has the advantages that the fabric and the clothes can ensure that liquid water cannot diffuse in the water repellent area and only remains to diffuse in the water guide area, different wetting yarns are woven according to the tree-shaped structure, the sweat can flow to the water collecting area of the clothes along the sweat guide channel more easily, and the fabric is good in water collecting effect.

Around a survived tree root, a funnel-shaped slope taking the tree as a center of a circle is formed on the ground, a ring of ridge is built along the outer edge of the slope, the center of a black opaque high-strength ageing-resistant plastic film, which is the same as the slope in area, is cut with a hole, an opened gap is cut from the edge of the film to the center of the film, and the film is sleeved on the seedling, spread on the slope to cover the whole ridge and tightly buried and compacted; a lower opening is buried by sand; and a black film funnel taking the seedling as the center is formed. In rainy days, the film funnel can effectively collect rainwater; and in sunny days, the film funnel can effectively keep water in soil and improve the drought-resisting ability of soil. Furthermore, the black film funnel can prevent the harm of weed. The method is low in cost and high in effect.

The invention discloses a construction method of a tunnel drainage system with a steel-FRP composite corrugated pipe. The drainage system uses part of wave troughs to collect water and drains water toa center drainage pipe by means of drainage pipelines, and the drainage mode improves the water collection capacity and the drainage efficiency. Specifically, the steel-FRP composite corrugated pipeis prefabricated in the backfield, a rigid filter screen is fixed to part of a corrugated pipe sheet, and blind pipes are embedded in the corrugated pipe sheet so as to achieve longitudinal drainage.The steel-FRP composite corrugated pipe is installed in site as a whole to serve as a tunnel primary lining, and a three-way pipe connector is used at the joint of corrugated pipes to achieve annulardrainage. The wave troughs of the composite FRP corrugated pipe with built-in steel are used and matched with waterproof filter plates to form a cavity for collecting underground water; water is discharged to the center drainage pipe through the drainage pipelines, arrangement is flexible, the number of the drainage pipelines can be increased according to specific hydrogeological conditions, watercollection is facilitated, and the material is good in corrosion resistance, can be used in underground structures with poor hydrogeological conditions and is convenient and fast to construct.

The invention provides a pipe foundation dewatering construction method adopted during buried pipe construction. The pipe foundation dewatering construction method adopted during buried pipe construction comprises the links of digging a pipe groove and setting an auxiliary drainage channel, establishing a reversed filter layer I at the bottom of the pipe groove, installing a perforated collector pipe, establishing a reversed filter layer II on the upper portion of the collector pipe, installing a rainwater and sewage confluence pipe and an auxiliary structure of the rainwater and sewage confluence pipe, conducting plugging and mud jacking on the collector pipe, conducting soil covering and backfilling on the pipe groove and conducting ground recovery construction. An auxiliary drainage ditch, a water collecting well, double-side revered filter layers, a perforated collector tube are arranged at the bottom of the pipe groove, accumulated water of the pipe groove enters the collector pipe via the reversed filter layers and converge to the water collecting well, a submerged sewage pump is installed in the water collecting well and discharges water in time; and in this way, it can be ensured that buried pipe construction is conducted in a dry environment, and the construction quality of the buried pipe is guaranteed. The pipe foundation dewatering construction method is a construction dewatering technology which is applied to the construction environments not provided with well-point dewatering systems (such as a light well, a jet well, an electric osmosis well and a pipe well)and can meet the drainage demand. The pipe foundation dewatering construction method is simple and direct relatively and not complicated, the dewatering system design and construction quality are easily guaranteed.

The invention relates to the technical field of rainwater resource collection and utilization, in particular to an energy-saving rainwater collector. The energy-saving rainwater collector comprises a rainwater collecting groove, a water guide hose and a water accumulating tank. The energy-saving rainwater collector is characterized in that the water collecting groove is a disc-like rainwater collecting plate; a water guide hard pipe consisting of a branch pipe and a horizontal pipe is arranged between the rainwater collecting plate and the water guide hose; the device is adsorbed to window glass by a suction plate arranged at the tail end of the horizontal pipe; a water outlet hole is formed in the lower end of the horizontal pipe at the position, corresponding to a dripping groove, in the water guide hard pipe, and is connected with a sucker placement pipe; a groove is formed in the upper end of the horizontal pipe corresponding to a water outlet; a sucker placement opening is formed in the groove; the lower end of a sucker is matched with the sucker placement pipe; and the upper end of the sucker pipe is led out through the horizontal pipe and the sucker placement opening in sequence and is propped against the inner wall of the dripping groove. The dripping groove is fully filled with rainwater under the condition of a heavy rain or a storm; and the rainwater can flow along the sucker, so as to enter the water accumulating tank along the water guide hose, so that the energy-saving rainwater collector has the advantages of simple structure, energy conversation, portability, low cost, good water collecting effect and the like.

The invention discloses a water storage device for landscaping. The water storage device comprises a water storage tank, a water collecting hopper is fixedly connected to the top end of the water storage tank, a top plate is fixedly connected to the bottom of the water collecting hopper, a through groove is formed in the middle of the top plate, and a water collecting assembly used for collectingrainwater is movably connected into the through groove; and a partition plate is fixedly connected to the interior of the water storage tank, a bracket is fixedly connected to the middle of the top ofthe partition plate, a driving assembly for providing power for the device is arranged at the lower end of the bracket, and an overflow assembly used for overflowing redundant rainwater in the tank body is arranged on the side wall of one end of the water storage tank. In rainy days, a sponge mat absorbs rainwater to control a motor to automatically rotate, the motor drives the driving assembly to operate, so that a sliding plate is pushed out, rainwater can be automatically collected, water in the sponge is evaporated in sunny days, the sliding plate can be automatically retracted, meanwhile, the through groove in the middle of the top plate is sealed, rainwater evaporation is reduced, and the water storage effect is good.

The invention relates to a municipal engineering road laying structure and a construction method, and belongs to the field of municipal engineering construction. The municipal engineering road laying structure comprises a base layer, a gravel layer and a surface layer which are sequentially laid from bottom to top, mounting frames are fixedly arranged in the base layer, and the upper plane of each mounting frame is flush with the upper plane of the base layer; a flow guide groove is formed in the upper plane of the mounting frame in the width direction of the base layer, a geogrid plate is fixedly arranged on the mounting frame and located over an upper opening of the flow guide groove, a drainage pipe is laid on one side of the base layer in the length direction of the road, a water outlet hole is formed in the bottom wall of one end of the flow guide groove and communicated with the drainage pipe, and the multiple mounting frames are arranged in parallel at intervals in the length direction of the base layer. In the process that underground water under the road flows from the cushion layer to the base layer, rainwater permeates into the flow guide grooves from the geogrid plates on the mounting frame, then flows towards the water outlet holes in the flow guide grooves and finally flows into the drainage pipe on the road side from the water outlet holes to be drained away, and the effect of improving the stability of the roadbed of the road is achieved.

The invention discloses an assembled toilet floor drainage structure. The structure comprises an assembled water tank, wherein one side of the top surface of the water tank is fixedly connected with one end of a U-shaped pipe; a box body is fixedly installed in the water tank; one end of the U-shaped pipe penetrates through the water tank and the box body and is positioned at the inner bottom of the box body; a plurality of blades are fixedly installed on the periphery of a first rotating shaft; a line wheel is fixedly installed on the periphery of the first rotating shaft; the periphery of the line wheel is fixedly connected with one end of a first line rope; a first line hole and a water inlet groove are formed on the inner side of the box body; the top surface of the inner wall of the water tank is fixedly connected with the upper end of a sleeve; the top of the inner wall of the sleeve is provided with a circle of groove; and a grid plate is movably arranged in the groove. The assembled toilet floor drainage structure is particularly suitable for use in an apartment house, waste water is effectively utilized, and resources are saved; two layers of water seals are arranged between an underground drain pipe and a toilet, thus peculiar smell can be effectively prevented from being emitted into the toilet; and a scraper can rotate several circles during each time of toilet flushing by arranging the U-shaped pipe and other structures, and the technical effect of automatically removing attachments on the top of the grid plate can be achieved.

The invention provides a super-hydrophobic surface with a self-driven water collection function and a preparation method thereof. According to the preparation method, microspheres with micron sizes are assembled into a single-layer microsphere array, gaps of the single-layer microsphere array are filled with magnetic nanoparticles, and a binary assembly template is formed; under the action of an external magnetic field, resin is sprayed on the surface of the binary assembly template, so that the resin mixed with the magnetic nanoparticles directionally grows into columnar microarray structures; and lubricating liquid is infiltrated into gaps of the columnar microarray structures, and the super-hydrophobic surface with the self-driven water collection function is formed. By means of the mode, the magnetic nanoparticles can be regularly arranged by utilizing the single-layer microsphere array, so that the resin is driven to directionally grow into the columnar microarray structures whichare independent of each other and are regularly and orderly arranged; and liquid drops in the air are spontaneously gathered, fused and bounced by utilizing the synergistic effect between the capillary effect difference generated by the distance between adjacent columnar structures in the columnar microarray and the lubricating liquid, so that a self-driven water collection function is realized.

The invention discloses a serial water-collecting well drainage device for landslide control. The serial water-collecting well drainage device for the landslide control comprises a plurality of water-collecting wells and a plurality of drainage pipes; each water-collecting well is arranged in the oblique direction of a landslide from the top to bottom; one drainage pipe is connected with the bottom of one water-collecting well; and one drainage pipe drains underground water after collecting the underground water collected by one water-collecting well. The invention further discloses a serial water-collecting well drainage method for the landslide control. The serial water-collecting well drainage method for the landslide control comprises the following steps that one, a landslide mass is surveyed, an underground water enriching area is selected, and the multiple water-collecting wells are formed in the underground water enriching area; and two, the multiple drainage pipes are adopted according to the positions of the multiple water-collecting wells, and the underground water in one water-collecting well is drained by the drainage pipe after being collected in the drainage pipe communicating with the bottom of the water-collecting well. With the adoption of a mode that the water-collecting wells are in series connection, the serial water-collecting well drainage device and method for the landslide control have the beneficial effects that the underground water collected by the water-collecting wells is rapidly drained.

The invention discloses an underground water dynamic simulation experiment platform for hydrogeological engineering, and relates to the technical field of hydrogeological engineering, the underground water dynamic simulation experiment platform comprises a bottom plate, the outer wall of the top of the bottom plate is fixedly connected with a supporting plate, the cross section of the supporting plate is n-shaped, and the outer wall of the top of the bottom plate is fixedly connected with a base; a glass box is fixedly connected to the outer wall of the top of the base, clamping grooves distributed at equal intervals are formed in the glass box, and water distribution plates are clamped in the clamping grooves. The device can effectively complete organic combination of simulation functions in two aspects of an aeration layer and a water-bearing layer aiming at the aeration layer and the water-bearing layer, can detect the process and the path of pollutants entering the water-saturated layer from the aeration layer in real time through the detection assembly, can grasp the pollutant migration and transformation process from the whole circulation process, and improves the simulation efficiency of the aeration layer and the water-bearing layer. The whole simulation experiment platform has good integrity, and dynamic simulation of underground water is achieved.

The invention provides an asymmetric hydrophilic / hydrophobic composite fiber membrane which is characterized in that a hydrophilic metal net is arranged on one side of the composite fiber membrane, and a hydrophobic polymer fiber layer is arranged on the other side of the composite fiber membrane. The composite fiber membrane has different water collecting capacities from a hydrophobic side to a hydrophilic side and from the hydrophilic side to the hydrophobic side, and shows good directional water capturing capacity from the hydrophobic side to the hydrophilic side. The preparation method of the asymmetric hydrophilic / hydrophobic composite fiber membrane utilizes a simple surface oxidation method to construct the hydrophilic layer, the hydrophilic effect is good, the method is simple and easy to implement, the performance of the obtained hydrophilic layer is kept stable, and the hydrophobic layer is prepared by adopting a convenient and efficient electrostatic spinning technology and is mature and stable, so that the preparation method is easy to implement, and the preparation cost is low. The obtained composite fiber membrane is rapid and effective in water collection. The method can be widely applied to the fields of agriculture and water treatment.

An outdoor dew collecting kettle, comprising a kettle body, a pot cover is installed above the kettle body; the pot cover includes a first pot cover and a second pot cover, and the first pot cover is screwed on the kettle body The second pot cover is screwed on the first pot cover; the upper part of the first pot cover is recessed downwards, and multiple sets of water-collecting spiral metal strips are installed on the bottom surface of the recess. The water-collecting spiral metal strip is a conical coil spring whose diameter gradually increases from bottom to top. After the second pot cover is installed, the water-collecting spiral metal strip is compressed to the first pot cover and the second pot cover. Between the pot lids, the water-collecting spiral metal strip protrudes upward after the second pot lid is disassembled. The outdoor dew collecting kettle of the present invention is equipped with a water-collecting spiral metal strip on the lid. When in use, the water-collecting spiral metal strip is extended into the air and compressed into the lid when not in use. The structure is simple, easy to use, and water-collecting The effect is good.

When a sapling is buried until a tree planting pit is filled during tree planting, a funnel-shaped slope inclined inwards is built above the tree planting pit and on the periphery outside the pit, an opaque high-strength ageing-resistant black plastic thin film is covered, and a funnel body structure is formed. The structure can gather and store natural rainfall, overcomes climate drought, controls weeds, and improves tree planting survival rate in a drought region.

The invention discloses an urban road rainwater intercepting and purifying system and a construction method. The system comprises a rainwater floodway, a regulating reservoir and a flood storage tank, wherein at least two sewage interception devices are transversely arranged in the rainwater floodway, the rainwater floodway is provided with a water inlet pipe, the water inlet pipe is connected with rotational flow filters, and the rotational flow filters are provided with municipal pipelines and clear water outlet pipes. The construction method comprises the steps that (a) the rainwater floodway is constructed; (b) the sewage interception devices are installed in the main path of the rainwater floodway; (c) the sewage interception devices are flushed; (d) the regulating reservoir and the flood storage tank are cast; (e) the rotational flow filters are installed in branches of the rainwater floodway. Urban road rainwater is collected into two ways and are collected, filtered, purified, stored and utilized, the rainwater resource utilization efficiency is greatly improved, waste is turned into wealth, the problem of water resource shortage is relieved, the construction steps are simple, the difficulty is low, the construction quality is easy to control, the construction cost is low, and related construction devices are few.

The invention provides a water distribution and collection tank of a rectangular sedimentation tank while entering and exiting at the same time. The water distribution tank is composed of main wall, middle wall, left wall, bottom wall, deflector, water inlet, water distribution pipe and air release pipe. The side-in and side-out rectangular sedimentation tank water distribution and collection tank of the present invention is set along the entire length of one side of the sedimentation tank. Through the application of small-diameter water distribution pipes and secondary water distribution tanks, the purpose of uniform water distribution and uniform water collection can be achieved, and the water can be carried The air bubbles can be released through the release pipe, which ensures the settlement effect of the sedimentation tank and makes the effluent water quality better.

The invention discloses a water collection and infiltrating irrigation device which comprises a barrel and two water outlets. The device further comprises a plurality of water infiltrating holes, a plurality of reinforcing ribs, a liquid level meter, a liquid level meter retainer and a reagent box, the water outlets are symmetrically arranged on the outer surface of the barrel and communicated to an inside cavity of the barrel, the water infiltrating holes and the reinforcing ribs are arranged on the outer barrel wall of the barrel, the liquid level meter and the reagent box are arranged inside the barrel, and the liquid level meter is fixedly connected with the barrel through the liquid level meter retainer. The water collection and infiltrating irrigation device has the advantages that structure is reasonable, water collection effect is good, stored water is enabled to directly reach plant root systems, water storage, water collection and irrigation are integrated, and precise irrigation can be realized.

Improved water management systems which deflect or collect evaporative liquid exiting counterflow heat exchangers and improve airflow distribution are provided. Such heat exchangers include open cooling towers, closed circuit cooling towers, and evaporative condensers. The improved water management systems eliminate water splash out and the noise associated with water splashing. Further, when the fan assemblies are located below the evaporative heat exchanger, the improved water management systems keep the fans dry and prevent freezing in subzero climates.

The invention discloses a linear narrow grate gutter inlet grating, the ratio of width and length thereof is 0.25-0.4. The size of gutter inlet grating is optimized, the width of the grating is reduced appropriately and the length of the grating is increased, thus forming the linear narrow grate gutter inlet grating. By utilizing the grating to collect rainwater, rainwater almost can flow the whole grate holes, thus improving water collecting efficiency and speed; and meanwhile the compression strength of the grating is improved, and raw material is saved.