106results about How to "Improve water collection efficiency" patented technology

The invention provides a tree pool. The tree pool comprises a front pool (11), a filtration pool (3) and a split-flow pipe. A water inlet (8) is formed in the front pool (11), and a division plate (7) is arranged in the front pool (11). The front pool (11) is divided into a split-flow chamber (12) and a spilling chamber (20) by the division plate (7), and the split-flow chamber (12) and the spilling chamber (20) are communicated. The split-flow pipe is provided with an inlet and an outlet, the inlet of the split-flow pipe is disposed in the split-flow chamber (12), the outlet of the split-flow pipe is disposed on the outside of the tree pool, and the inlet of the split-flow pipe is higher than the bottom of the front pool (11). Besides, the invention further provides a method for filtering runoff rainwater through the tree pool. According to the tree pool and the method, sewage interception and emission reduction can be performed on road initial runoff rainwater, rainwater is used for greening irrigation and preventing plants from being damaged by snow-melting agents.

A bionic composite film for collecting fog drops or dispersing dense fog is composed of a substrate, a hydrophobic polymer film on said substrate, and several lines of small circular humps made of glass microbead or hydrophilic polymer containing inorganic oxide particles. Its preparing process includes such steps as coating the solution of hydrophobic polymer on the substrate, and applying the glass microbeads or the concentrated solution of hydrophilic polymer onto the film of hydrophobic polymer by a rolling screen.

The invention relates to a bionic water collect composite film, which comprises a base with many round micro hydrophilic polymer projections on its above hydrophobic polymer film; said hydrophobic polymer is the polystyrene that doped with 20-30wt% silica dioxide whose average diameter is 2-100nm; the hydrophilic polymer is the polymer of amido, hydroxyl or carboxyl doped with 10-70wt% titania whose average diameter 1-100micrometer; the hydrophobic polymer film comprises one or several of ultraviolet stabilizer, ultraviolet absorber, ozone stabilizer, and antioxidant. The inventive film can collect fog drop or disperse dense fog. The invention has high water collecting efficiency, long service life, and better hydrophilic/ hydrophobic property.

The invention discloses a titanium alloy super hydrophobic-super hydrophilic surface. Multiple sub arrays are distributed on the surface of a titanium alloy. Multiple super hydrophobic areas and multiple super hydrophilic areas in each sub array are arranged alternately in a wedge shape or a triangular shape, and super hydrophilic gathering areas are distributed between the sub arrays. The super hydrophobic surface has the good super hydrophobic performance, drop adhesion is very little, and rolling is extremely easy; drops can be adsorbed by the super hydrophilic areas, the drops at the top ends of the super hydrophilic areas in the wedge shape or the triangular shape can rapidly move towards the bottom of the wedge shape or the triangular shape under the drive of Plath pressure generatedby the wedge shape or the triangular shape, the super hydrophilic areas arranged alternately with the super hydrophilic areas can repel directional transportation of the drops, under the synergisticeffect of the super hydrophobic areas and the super hydrophilic areas, the condensation small drops can be gathered into the hydrophilic gathering area constantly, high-concentration-ratio self-driving water gathering is achieved, disengaging of the drops is accelerated, and therefore the condensation heat transfer efficiency is improved. The invention provides a preparing method and application of the titanium alloy super hydrophobic-super hydrophilic surface.

The invention discloses a bionic water collection composite braided fabric, which is braided of hydrophilic and hydrophobic polymeric fiber; the parallet is formed by alternate hydrophilic and hydrophobic polymeric fiber with beam proportion at 2:1; the longitude is hydrophobic polymeric fiber, whose cross-section is semi-circular, smooth flat surface fiber; the hydrophilic polymeric fiber is semi-circular fiber with multiple fine projections on the surface; the hydrophilic and hydrophobic polymeric fiber is selected from one or more of ultraviolet stabilizer, ultraviolet absorbent, ozone stabilizer, antioxidant. The braided fabric can collect fog drip or disperses dense-fog.

The invention discloses a super pressure suction joint pumping system and an operating method thereof. The pumping system comprises a rainfall tube well, a vacuum pump and an air compressor, wherein the vacuum pump and the air compressor are located outside the rainfall tube well; pumping pipes of the vacuum pump are connected to the inside of the bottom of the rainfall tube well; air compressor pipes of the air compressor are connected to the inside of the rainfall tube well and communicated with the pumping pipes; an exhaust tube is fixed to a well lid of the rainfall tube well; one port of the exhaust tube is formed in the upper portion of the rainfall tube well, the other end of the exhaust tube is located outside the rainfall tube well and split to two branch tubes, one branch tube is provided with a valve A and communicated with the pumping pipes, and the other branch tube is provided with a valve B and communicated with the air compressor pipes. The super pressure suction joint pumping system and the operating method thereof have the advantages that the structure is simple; all mechanical devices are disposed outside the well; installation is convenient and fast; the cost is low; one set of pumping system can drive six to twelve rainfall tube wells at the same time, and the water collecting efficiency and the pumping efficiency of the rainfall tube well can be effectively improved.

The embodiment of the invention discloses a bionic energy-saving air water-collecting device. The bionic energy-saving air water-collecting device comprises a bionic water-collecting part and a condensation water-obtaining part; according to the bionic water-collecting part, a principle that desert beetles use back shells to collect water is simulated, a special structure with hydrophilic particles and hydrophobic umbrella surfaces at intervals is adopted, and hydrophilic particle layers absorb water vapor in air; no device which consumes energy needs to be provided, and the air water-collecting device is completely green and environmentally friendly, and just needs to be replaced according to the water absorption capacity of the hydrophilic particles. According to the condensation water-obtaining part, a solar power supply panel is adopted to provide electricity for an exhaustion fan, air circulation is conducted, and after high-temperature air enters a condensation pipe, the water vapor is condensed by the adoption of self-cooling and heat dissipation of capillary heat pipes; heat transfer does not needs to be carried out, and the velocity of condensation water is increased; two water collecting modes are carried out simultaneously, and the water-obtaining efficiency is further improved. The bionic energy-saving air water-collecting device is simple in structure, convenient to use and wide in application range, and can be used for water obtaining in islands, military emergency for water, crop planting in arid areas and the like by the adoption of water pumps and the like according to the environment.

The present invention provides a base structure for a shower, the shower having a water recirculation circuit, the base including a substantially planar floor and a reservoir, the reservoir including a first outlet for admitting water to be used by the recirculation circuit, and a second outlet for admitting water to be sent to waste, wherein in use where the passage of water to waste is obstructed, water contacting the floor runs into the reservoir to form a pool of sufficient depth to substantially cover the first outlet. Use of the structure may result in water and energy savings.

The invention discloses a device and a method realizing synergic effects of waste heat utilization, desulfurization wastewater zero-emission and smoke plume removal, the device comprises a boiler, anair preheater, a dust remover, a desulfurization tower and a chimney which are sequentially connected through a pipeline, a wastewater sedimentation tank, a wastewater concentration tower and a wastewater flashing tower simultaneously are connected to corresponding equipment in the device, a high-temperature gas required in the working process of the wastewater flashing tower and the wastewater concentration tower is taken from high-temperature flue gas during the operation of the device; and generated gases are sent into the dust remover for dust removal circulation. An acoustic wave agglomeration device and a demister are disposed in a connecting pipe between the desulfurization tower and the chimney. The method comprises the steps of concentrating and flashing the high temperature fluegas in the process of operation of the desulfurization wastewater utilization device, and finally feeding the concentrated and flashed gas to the device for circulation, thereby achieving zero emission, discharged smoke plume can be reduced by use of synergic effects of the reduced flue gas temperature, the acoustic wave agglomeration device and the demister, and the goal of energy saving and environmental protection, wastewater zero-emission and exhaust emission reduction can be comprehensively realized.

The invention discloses a method for preparing an efficient air water-collecting copper surface by virtue of a gradient anodic oxidation method, and belongs to the technical field of interface chemistry. According to the method, a porous mask is combined with a gradient anodic oxidation treatment technology to perform treatment on the surface of a target sample, so that the preparation of a hydrophilic-hydrophobic alternate surface with a unidirectional invasive gradient can be realized. According to the method disclosed by the invention, by using the inherent invasion and electrical conductivity of a copper surface, combining the porous mask with the gradient anodic oxidation treatment technology, and taking a measure of improving the water collecting efficiency by using a desert beetle-like hydrophilic-hydrophobic alternate surface as a theoretical basis, a variety of hydrophilic-hydrophobic alternate copper surfaces with different area ratios of hydrophilic/hydrophobic regions are prepared, and a unidirectional invasive gradient is innovatively introduced to the hydrophilic-hydrophobic alternate copper surfaces, thereby solving the technical problem of quickly reconstructing a water-collecting copper surface, and realizing improvement of the water collecting efficiency of the copper surface.

The invention discloses an annular wettability gradient copper net produced by an anodic oxidation method and a production method of the annular wettability gradient copper net and belongs to the technical field of production of water-collecting copper nets. The production method comprises the following steps that firstly, a 16 cm*16 cm 180-mesh red copper net is placed into a nitric acid solution, an acetone solution and an ethanol solution in sequence, ultrasonic treatment is carried out for 15 minutes, and the red copper net is washed and then dried; then the dried red copper net is soakedin an organic ethanol solution for 3 hours and taken out and is washed with anhydrous ethanol and dried, and the copper net with the hydrophobic property is obtained; and finally, the copper net withthe hydrophobic property is put into an alkaline solution, the copper net is taken as the positive pole, copper wires are taken as the negative pole, anodic oxidation is carried out, and the annular wettability gradient copper net is obtained. The copper net is provided with a beetle-like hydrophilic and hydrophobic lattice structure and an annular wettability gradient structure, the capability ofcapturing liquid drops is improved, continuous and efficient mist collection is realized, the water collection efficiency is high, and the water collection amount is large. The production method hassimple operation and low cost and has the good application prospect in water shortage areas.

The invention relates to the field of building construction and discloses a subway deep foundation pit well point dewatering system and a construction method thereof. The subway deep foundation pit well point dewatering system comprises a well pipe, a sealing well lid, an air compressor, an air inlet pipe, a vacuum pump and a water discharging pipe. The well pipe comprises a water filtering pipe and a precipitation pipe which are arranged in a dewatering well, and the precipitation pipe is fixedly connected to the bottom of the water filtering pipe; the sealing well lid is arranged on the topof the water filtering pipe, and a first through hole and a second through hole are formed in the sealing well lid; and the air compressor and the vacuum pump are arranged outside the dewatering well,one end of the air inlet pipe is connected with the air compressor, the other end of the air inlet pipe communicates with the bottom of the well pipe through the first through hole, one end of the water discharging pipe is connected with the vacuum pump, and the other end of the water discharging pipe communicates with the bottom of the well pipe and communicates with the gas inlet pipe. By meansof the subway deep foundation pit well point dewatering system and the construction method thereof, the technical problems that an existing subway foundation pit dewatering project is high in equipment input cost, complex to install and low in dewatering efficiency are solved.

The invention discloses a splash-proof water collecting device for a high-level water collecting cooling tower, and belongs to the field of high-level water collecting cooling towers. The device comprises splash-proof water collecting tanks, water tank hanging rods, fixing brackets, slings and water collection tanks, wherein the splash-proof water collecting tanks are connected through flanges at the bottom to form a water collecting inclined plane, and sealing elements are additionally mounted among joints; the upper ends of the splash-proof water collecting tanks are arranged in first grooves in front of the fixing brackets, and are connected with first screw holes at the bottoms of the first grooves for fixation through flanges at the upper ends; the bottom ends of the splash-proof water collecting tanks are arranged in second grooves at the upper ends of the water collection tanks, and are connected with second screw holes below the second grooves for fixation through flanges at the lower ends; the tail parts of the water tank hanging rods are fixed inside the water collection tanks; the tops of the water tank hanging rods are connected with bracket flanges at the back of fixing brackets of the previous stage of water collecting device; and the slings are connected with the bracket flanges, and the entire water collecting device is hung below a padding.

The invention belongs to the field of bionics, and particularly relates to a method and device for constructing a super hydrophobic bionic spider silk moisture collection device with a 3D printing technology. The method comprises the following steps that firstly, composite photocurable resin is prepared by mixing the pretreated Envision TEC E-Glass 2.0 (E-glass) and multi-wall carbon nanotubes (MWCNTs), then the bionic spider silk with periodically arranged spindles is printed by a light-curing 3D printer (DLP), finally, the nano super hydrophobic layer is coated on the surface of the bionic spider silk through a gas phase process, and the condensation of water droplets on the hydrophobic surface is more likely than that on the hydrophilic surface. By means of the method, when the water droplets drops on the bionic spider silk, the Laplace pressure difference between the spindle and each spindle knot is used, the water droplets can converge to each spindle knot and finally converges tothe concave place between every two adjacent spindle knots, and the efficiency and quantity of water collection are improved accordingly.

The invention discloses a zinc alloy superhydrophobic-superhydrophilic surface. A plurality of sub-arrays are distributed on the surface of a zinc alloy; a plurality of superhydrophobic areas and a plurality of superhydrophilic areas in each of the sub-arrays can be alternately arranged in a wedge or triangular shape; and a superhydrophilic collecting area is distributed between every two sub-arrays. The superhydrophobic surface disclosed by the invention has the excellent superhydrophobic performance, the adhesiveness of liquid droplets is very small and the liquid droplets are extremely andeasily rolled off; however, the superhydrophilic areas can absorb the liquid droplets, the liquid droplets formed in the top ends of the wedged or triangular superhydrophilic areas are driven by Plathpressure produced by the wedge or triangular shape and can be automatically and quickly moved toward the bottom part of the wedge or triangular shape, the superhydrophobic areas which alternate withthe superhydrophilic areas reject oriented transportation of the liquid droplets; and due to a mutual coordination effect of the superhydrophobic areas and the superhydrophilic areas, small condensedliquid droplets are continuously collected to a hydrophilic collecting area, so that self-driven water collection with the high concentration ratio can be realized, and dropping of the liquid dropletsis quickened, and thus, the condensation and heat transfer efficiency can be accelerated. The invention provides a preparation method and application of the zinc alloy superhydrophobic-superhydrophilic surface.

The invention provides a system for efficient condensed air water collection. The system comprises a solar cell panel (1), a thermoelectric piece (2), a substrate (3) and a water collecting container (4). The solar cell panel (1) is connected with the thermoelectric piece (2) to provide needed working electric power for the thermoelectric piece, the substrate (3) is connected to the cold end of the thermoelectric piece (2), the water collecting container (4) is a U-shaped box, the top end of the U-shaped box is provided with an air feeding fan, the bottom of the U-shaped box is provided with an exhaust fan, the inner wall of the box is provided with the thermoelectric piece, the hot end of the thermoelectric piece is connected with a metal radiator, and the solar cell panel is connected with the thermoelectric piece. A thermoelectric refrigeration technology is adopted, solar energy or a battery is fully utilized to provide power for thermoelectric refrigeration, and the dew-point temperature is reduced. According to the method, the problems of high energy consumption, large noise and large device size in the prior art can be solved, a water condensation surface is a superhydrophobic surface with a nano-structure, and the water collecting efficiency can be greatly improved.

The invention discloses an embedded loess percolating water collecting device, which comprises a water collecting plate and a water collecting box, wherein fillers used for water collection are arranged on the water collecting plate; a water discharging opening is formed in the water collecting box; a mud and water separator used for mud and water separation is arranged in the water collecting box; a mud discharging opening is formed in the mud and water separator; the bottom of the water collecting plate is connected with a water guide pipe; a filter screen is arranged in a connecting part ofthe water collecting plate and the water guide pipe; the lower end of the water guide pipe extends into the water collecting box; an outlet of the water guide pipe extends into the mud and water separator. The embedded loess percolating water collecting device is arranged in a hole under the earth surface; the water collecting plate is in contact with the inner wall of the hole or the tail end ofthe water collecting plate extends into a wall body of the hole; the fillers on the water collecting plate are in contact with the inner wall of the hole. The embedded loess percolating water collecting device has the advantages that the water collecting efficiency is high; the embedded loess percolating water collecting device is very suitable for collecting soil water in the loess region.

The invention relates to a bionic self-driven water collection pattern capable of being applied to a large-scale surface and a preparation method of the bionic self-driven water collection pattern. The pattern is characterized in that a super-hydrophilic area is distributed on a super-hydrophobic surface, the super-hydrophilic area is composed of a bionic triangular lap-joint structure main channel, triangular secondary channels and net-shaped linear channels, the main channel is located in the center of the pattern, the secondary channels extend out of the two sides of the main channel and are asymmetrically distributed, the net-shaped linear channels are distributed around the main channel and the secondary channels, the net-shaped linear channels are composed of transverse parallel line type channels and inclined line type channels forming angles with the transverse parallel line type channels, the main channel is formed by multiple rows of single triangular structures in an up-down lap joint mode and in a left-right multi-column expansion mode, the bottoms of the upper row of triangular structures of a triangular lap joint structure are in lap joint with the narrow ends of the upper portions of the lower row of triangular structures, multi-row connection and multi-column expansion are formed according to the connection mode, and the bottoms of the triangular structures of the last row are provided with circular water storage areas connected with the triangular structures. The water collection pattern is processed by laser, and microstructure parameters can be precisely adjusted.

The invention discloses an automatic drainage system for hydraulic engineering construction as well as a manufacture method and an application method of the automatic drainage system. The automatic drainage system comprises a water pump and a water accumulation device, wherein the water pump is rotationally connected with a motor through a driving shaft, a coupling and a driven shaft; the coupling is fixed between the driving shaft and the driven shaft; the motor and the water pump are fixed on a base; a water outlet is formed in the upper end of the water pump, and a water suction port is formed in the right end of the water pump and fixedly connected with a pipeline through fixing bolts; a flow sensor is mounted on the pipeline and is in sealing connection with a water collector through the pipeline; the left end and the right end of the water collector are in sealing connection with water collection pipes; a water collection chamber is formed in the water collector, a water suction pipe and a liquid level sensor are mounted in the water collection chamber, and the liquid level sensor is mounted on the water suction pipe. The flow sensor and the liquid level sensor of the automatic drainage system are matched for use, so that full-automatic drainage can be realized, and the working efficiency can be increased.

The invention discloses a water vapor and fine particle pollutant synergistic removal device based on pressure swing condensation, the water vapor and fine particle pollutant synergistic removal device comprises a separator and a vapor pressure swing condensation part arranged at the front end of the separator, wherein the separator comprises an overflow pipe arranged at the top end and an underflow pipe arranged at the bottom end. The vapor pressure swing condensation part comprises an inlet pipe, a closing pipe, a throat pipe, an expanding pipe and a connecting pipe; saturated vapor sequentially passes through the inlet pipe, the closing pipe, the throat pipe, the expanding pipe and the connecting pipe and is subjected to pressure transformation and condensation into small droplets to enter the separator tangentially; after the small droplets cohere and grow up in the separator and make up for fine particles, the droplets are discharged downward from the underflow pipe, and the gas is discharged upward from the overflow pipe. The water vapor and fine particle pollutant synergistic removal device can realize that cooperative removal of the wat vapor and the fine particles in variable pressure condense wet flue gas.