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307results about How to "Large water storage capacity" patented technology

Water-retention soilless culture medium

The invention discloses a water-retention soilless culture medium, belonging to the field of agriculture cultivation technique. The water-retention soilless culture medium comprises the following components in percentage by weight: 20-30 percent of organic fertilizer, 10-15 percent of grass carbon, 16-20 percent of fine sand, 8-12 percent of rough sand, 8-12 percent of vermiculite, 5-8 percent of perlite, 5-7 percent of calcium potassium magnesium powder, 3-6 percent of weathered coal, 3-5 percent of ground phosphate rock, 1-2 percent of bentonite, and 0.4-0.8 percent of water-retention agent, wherein the organic fertilizer is prepared by mixing, fermenting and bubbling animal excrements, plant straws and the like, and has moisture rate of 8-15 percent after being aired and screened, the granularity of grass carbon, vermiculite and perlite is smaller than 60 meshes, and the granularity of other components is less than 80 meshes. The preparation method comprises the steps of weighing all components according to proportion, agitating and mixing, drying, inspecting, metering and packaging. The water-retention soilless culture medium has the advantages of being simple in production technique, reasonable in proportion and excellent in applicability, and can be widely applied for breeding and transplantation of tree seedlings and grasses, as well as vegetable, fruits, grains, flowers, trees and the like in drought, deserts and salinization regions.
Owner:雷文东

Manufacturing method for flame-retardant organic mulch for landscapes and greenbelts

The invention relates to a manufacturing method for a flame-retardant organic mulch for landscapes and greenbelts. The method comprises the following steps: separately collecting landscape wastes such as tree branches, tree leaves, stems and leaves of flowers and plants generated in the greening and maintaining process; crushing the tree branches and processing the tree branches into particles about 1.5-7.0 cm in length; crushing the tree leaves and the stems and leaves of flowers and plants into fine particles about smaller than 0.5 cm in diameter; then adding water, a fermentative strain and a fermentation catalysis substance, neatening the materials in piles, fermenting for 30-45 days and then paving the materials in the greenbelts; finally spraying a water-soluble flame-retardant agent to the surface of the organic mulch. According to the method, the cyclic utilization of the landscape wastes can be implemented; the rising dust is reduced; the water retention capacity of the landscapes is improved; the soil humidity is retained; the hardening of the soil is avoided; the growth of weeds is inhibited; the soil fertility is enhanced; the greenbelt landscape effect is improved; the safety of the organic mulch is improved.
Owner:沈阳市园林科学研究院(沈阳市环境卫生工程设计研究院)

Pulse jet type underwater robot based on tubular origami structure

The invention discloses a pulse jet type underwater robot based on a tubular origami structure, which is composed of a pulse jet mechanism and two steering propulsion mechanisms, wherein the pulse jetmechanism realizes the repetitive process of water storage-water spray-water storage-water spray by impulse jet propulsion. The structure of the two steering propulsion mechanisms is the same, the first steering propulsion mechanism realizes turning to the right and the second steering propulsion mechanism realizes turning to the left; the pulse jet mechanism realizes the functions of water storage and water spraying through the axial expansion and contraction of the tubular origami structure; the tubular origami structure is driven by the rack and pinion mechanism to realize the axial expansion and contraction of the tubular origami structure, the steering propulsion mechanism is driven by the streamlined semi-circular fish fin structure to perform the reciprocating swing to achieve thesteering propulsion function, and the fish fin structure is driven by the swing guide rod mechanism to achieve the reciprocating swing. The invention is a novel underwater robot and has the advantagesof simple structure, fast propulsion speed, flexible steering and the like.
Owner:JIANGXI UNIV OF SCI & TECH

Wide-row flat planting protective tillage planting method for maizes

The invention relates to a planting method for crops, in particular to a wide-row flat planting protective tillage planting method for maizes. The planting method comprises the following seven steps of: performing land preparation, sowing, rolling after sowing, weeding by pesticides, subsoiling mechanically and performing side deep fertilizing, preventing and controlling diseases and insect pestsand harvesting mechanically. In the planting method, the conventional 60-centimeter uniform ridge planting mode is changed into a flat planting mode of 80-centimeter row pitch and 20-centimeter row spacing, and ventilating and light-transmitting space of the crops is increased; the conventional shallow intertillage and shallow fertilization mode is changed into a mechanical deep scarification anddeep topdressing mode, namely the conventional three-shovel three-time intertillage management and shallow fertilization operation is changed into one-time deep scarification and deep topdressing operation, so operation links are reduced, and the production cost is reduced; the conventional sowing mode is changed into a zero-tillage sowing mode, so the evaporation of soil moisture is reduced, andthe capacity of drought resistance and soil moisture conservation is improved; the conventional mode that harvested low stubbles are crushed to return to a field into a mode that mechanically-harvested high stubbles are rotten naturally to return to the field; and before sowing, seeds are processed by using a plasma seed processing technology to improve the germination percentage of the seeds.
Owner:梨树县农机技术推广总站

Irrigation-free maintenance-free combined grow module of roof top garden

InactiveCN101313654ACountless benefitsCountless wealthCovering/liningsGeneral water supply conservationPlant rootsSurvival ratio
The invention provides a roof garden combination planting module which does not need water, electricity, artificial watering and maintenance and is energy saving and environment friendly. The module consists of five parts of a rain water collecting box, a drainage plate, a planting box, edge sealing strips and angle sealing strips. The module is particularly applied to the greening of old houses and light steel roofs, which is low in cost requirement, small in bearing and difficult in watering and maintenance. The combination planting module depends on the structural advantages and has the characteristics of plant root resistance and water storage intercommunication; on the one hand, the module can be directly arranged on roofs to be used without needing the cooperation of root resistance waterproof coiled materials of other plants, on the other hand, the module does not need a large number of water supply pipes and adaptors, thereby greatly reducing cost of a roof garden system. Depending on the advantages of the standardized function design, the combination planting module has the characteristics of high commonality of products, strong adaptability of the system, high survival ratio of plants, short construction cycle, no construction rubbish, quick and convenient arrangement, low labor intensity, low product cost and convenient large-scale flow line production, etc.
Owner:上海银鼎工程技术有限公司 +1

Collection, filtration, purification and storage system for water

The invention discloses a collection, filtration, purification and storage system for water, which comprises a water collection and filtration system and a water purification and storage system, wherein the water collection and filtration system comprises a collector-shoe gear, a filtration and stream guidance device and a stream guidance pipeline connected with the collector-shoe gear and the filtration and stream guidance device; and the water purification and storage system is communicated with the filtration and stream guidance device through a water transmission pipeline extending from the filtration and stream guidance device to enable water output by the filtration and stream guidance device to be stored by flowing into the water purification and storage system through the water transmission pipeline. The system can be applied to the collection, filtration and storage of runoff rainwater on hillside and road as well as in farm and yard, lake water and river water. The collection, filtration, purification and storage system for the water can carry out multiple prefiltration and predeposition on the water source, remove large floating matters and small solid suspended particulate matters in water flow, and enable the water moving into the water purification and storage system to have better water quality after the pretreatments.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD

Device for flushing toilet by constant-pressure reuse water supplied through processing washing water and rainwater

The invention discloses a device for flushing a toilet by constant-pressure reuse water supplied through processing washing water and rainwater. The device comprises a water storage tank, a connecting pipeline, a rainwater collecting pipeline, a faucet, a washing basin, a toilet seat flushing tank, a liquid level switch, a liquid level sensor, a water pump motor, an electromagnetic valve and a control box, wherein the water storage tank comprises a rainwater pond, a washing water mixed settling pond, a sterilization disinfecting pond and a clear water pond; mud in the reuse water is precipitated through thick and fine mesh deletion filter screens, and the reuse water is subjected to ozone sterilization disinfection; and the secondary clear water keeps circulating at the constant pressure to supply the reuse water through the functions of a frequency changer of a PLC (programmable logic controller), a PID (proportion integration differentiation) regulator, a pressure and liquid level sensor and each switch and the like, so that the problems that the storage amount of the reuse water is less, the secondary pollution is caused due to the fact that the reuse water is not processed, and the water cannot be used by users in the whole resident community because the water pressure of the whole pipeline is not enough are solved; the users in the whole building or the whole resident community can use the reuse water normally, and the water resources can be greatly saved.
Owner:SHANDONG UNIV OF SCI & TECH

Cultivation method for rice direct dibble seeding in wedged ditches

The invention discloses a cultivation method for rice direct dibble seeding in wedged ditches, which belongs to the field of rice cultivation. In order to solve the problem that yield potential of high-yield high-quality varieties is difficult to fulfill by existing cultivation methods, the cultivation method for rice direct dibble seeding in wedged ditches includes the steps: firstly, tilling soil, namely performing no turning or irrigation after preceding harvesting, and digging a field to obtain a plurality of ditches, wherein row spacing between each two adjacent ditches is 18-22cm, each ditch in a triangular shape is wide end up, each ditch is 5-20cm deep and 3-6cm wide, two sides of each ditch are slopes relative to the horizontal plane, and an included angle between each slope and the horizontal plane is 40 DEG-70 DEG; secondly, post-treating rice seeds; thirdly, performing base fertilizer application, direct dibble seeding, and irrigation; and fourthly, performing field management. The traditional ploughing is replaced with wedging, so that farming intensity is reduced, interference to soil is lowered, energy sources are saved, labor is reduced, seeds for use are few, soilwater retention capacity is high, soil system stable is high, fertilizer utilization rate is high, root system growth environment is improved, and cost reducing, yield increase and efficiency enhancement are achieved.
Owner:HUNAN AGRICULTURAL UNIV

Collapsed loess district rain flood collecting and storing cascade artificial lake system and design method

The invention relates to a collapsed loess district rain flood collecting and storing cascade artificial lake system and a design method. The system comprises an inlet adjusting desilting basin. The inlet adjusting desilting basin is connected with at least two artificial lakes with anti-collapse layers and anti-seepage layers. The artificial lakes are sequentially arrayed in the height direction to form a cascade and are connected. The lake of the lowest water level is provided with a recession subsystem. For the quite special geological conditions of collapsed loess, when modern anti-seepage and anti-leakage measures are taken, the cascade artificial lakes are adopted on the whole structure of the storing system, the size of each single artificial lake is controlled, and the larger water storage amount is achieved according to the limited bearing capacity of collapsed loess. During water storage flood prevention, aquatic plants and terrestrial plants are cultivated through the artificial lakes, so artificial beach lands and wet lands are formed; an artificial water landscape is established by means of water flow fall, the environment is improved, and places for ornamenting and sightseeing are provided for people.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Combination type heat storage water tank of external disk heat storage casting box and condensation heat exchanger

InactiveCN102635948ALarge water storage capacityNo longer takes up volumeFluid heatersWater storageWater quality
The invention discloses a combination type heat storage water tank of an external disk heat storage casting box and a condensation heat exchanger. The combination type heat storage water tank comprises a shell, the heat storage casting box, a heat storage material, a water tank liner, the condensation heat exchanger and an insulating material; the heat storage material is filled in the heat storage casting box; the insulating material foams between the shell and the water tank liner; the water tank liner is provided with a water inlet and a water outlet; the outer wall of the water tank liner is externally wrapped by the heat storage casting box; and the outer wall of the water tank liner is externally wrapped by the condensation heat exchanger. According to the invention, the heat storage casting box and the condensation heat exchanger are not directly immersed in water, so as to ensure safety of water quality; and at the same time, the heat storage casting box and the condensation heat exchanger are not corroded, so as to prolong the service lives; and the heat storage casting box and the condensation heat exchanger do not occupy volume of the water tank liner, so as to increase the water storage capacity of the water tank.
Owner:SOUTH CHINA UNIV OF TECH

Toilet floor drain assembly and mounting method

The invention discloses a toilet floor drain assembly and a mounting method. The toilet floor drain assembly comprises a floor drain and a waterproof bottom box, wherein the waterproof bottom box comprises a bottom box surrounding edge and a waterproof plate which are connected, the waterproof plate comprises an inclined plane and a horizontal plane which are arranged oppositely, the bottom box surrounding edge is connected onto the inclined plane and comprises a first end and a second end which are arranged oppositely, the distance from the first end to the horizontal plane is smaller than the distance from the second end to the horizontal plane, a groove is formed in the inclined plane, the groove extends to the first end of the bottom box surrounding edge in the width direction and extends to two side surfaces, adjacent to the first end, of the bottom box surrounding edge in the length direction, and a first draining hole is formed in the groove; and the floor drain is embedded in the groove, a second draining hole is formed in the floor drain, and the first draining hole communicates with the second draining hole. The mounting method of the toilet floor drain assembly is used for mounting the toilet floor drain assembly. According to the provided toilet floor drain assembly and the provided mounting method, the draining efficiency of the toilet floor drain assembly is improved.
Owner:ZHEJIANG YASHA DECORATION

Sponge city seepage and drainage structure and sponge city water circulation system

The invention relates to the technical field of sponge cities, in particular to a sponge city seepage and drainage structure and a sponge city water circulation system. A rainwater well, a diversion well, a filtering device and a water storage pool are included, the rainwater well comprises an outer well and an inner well arranged in the outer well, the top end of the outer well is provided with arainwater grate flush with the ground, a filtering hanging basket with an upward opening is arranged in the inner well, the bottom of the inner well is connected with a water storage pipeline communicated with a grass planting ditch, and a plurality of overflow holes communicated with the cavity are formed in the inner well in a penetrating mode; and a filter screen is arranged between the outerwell and the diversion well. By adopting a grading drainage mode, the purpose of rapidly reducing accumulated water on the road surface can be achieved, rainwater deposition is not easily caused, andtherefore the drainage capacity of an urban drainage system can be effectively improved. Meanwhile, the urban water storage capacity is increased, and urban water resources are saved. Through the arrangement of the rainwater grate, the filtering hanging basket and the filtering net, the filtering effect on rainwater can be achieved, and impurities contained in the rainwater can be effectively removed.
Owner:苏州江南意造建筑设计有限公司

Large storage amount water storing and draining plate for roof greening

The invention relates to a large storage amount water storing and draining plate suitable for roof greening. The large storage amount water storing and draining plate comprises a plastic plate face, honeycomb water storing bottles, communicating grooves, draining holes, supporting columns, non-woven geotextiles and water absorbing belts. The plate face, the water storing bottles, the communicating grooves and the supporting columns are all made of high density polyethylene (HDPE) plastic base plates after stamping. The water storing bottles are arranged on the plate face in a honeycomb mode and connected through the communicating grooves. The water storing space is large, and meanwhile uniform water distributing is achieved. The draining holes are formed in the plate face. The supporting columns are arranged below the plate face. One layer of the non-woven geotextiles is adhered on the plate face and the bottom of the each bottle correspondingly. The water absorbing belts are arranged in the position, of the communicating grooves, of the geotextiles of the plate face and stretch in the bottoms of the bottles in the position of the water storing bottles. The structure is reasonable, forming is convenient, construction is convenient, maintenance is simple, the mechanical property is good, universality is high, system adaptability is strong, and meanwhile the multiple functions of water storing, water draining, filtering, ventilating, heat insulation, noise reduction, root thorns resisting and the like are achieved; and stored rainwater can be utilized to replenish water for a matrix.
Owner:重庆市环境科学研究院

Water-permeable water storage carrier and water collection and purification storage system using the same

InactiveCN101838020ALarge water storage capacityStrong water storage capacityWater/sewage treatmentStormwaterEngineering
The invention discloses a water-permeable water storage carrier and a water collection and purification storage system using the same. The carrier is of a water-permeable structure and is provided with a water storage space, so that water can permeate the water-permeable water storage carrier to enter the water storage space. The system comprises a water storage container with an upper opening and a water-collecting well; the wall of the water storage container is of a waterproof structure; the water-collecting well is positioned in the water storage container, and is provided with a well cover, the well wall is of a water-permeable structure, filler is filled between the water-collecting well and the water storage container, a water-permeable surface layer is laid upon the filler, the filler consists of fine sand and the water-permeable water storage carrier, and the water-permeable water storage carrier is provided with a hollow structure. The rainwater or dirty water collected by the invention is filtered by the water-permeable surface layer and settled and filtered by the fine sand, so that clean water is obtained, moreover, the water is stored in the filler or the water-collecting well, and cannot easily go bad and stink, and in addition, the carrier effectively increases the water storage capacity.
Owner:BEIJING RECHSAND SCI & TECH GRP

Negative pressure-free water supply pump station

The invention discloses a negative pressure-free water supply pump station which comprises a water storage tank, an electric control cabinet and a booster pump set, wherein a filter, a first pressure transmitter, an electromagnetic flow meter, a residual chlorine detecting instrument, an influent flow regulator and a first electric valve are sequentially arranged between a tap water pipeline network and a water inlet of the water storage tank; an ultraviolet sterilizer is arranged between the booster pump set and a water outlet of the water storage tank; and a pressure regulator and a second pressure transmitter are sequentially arranged between the booster pump set and a user pipe network. The negative pressure-free water supply pump station also comprises a by-pass pipe, wherein one end of the by-pass pipe is connected with the influent flow regulator, the other end of the by-pass pipe is connected with the pressure regulator, and the by-pass pipe is provided with a second electric valve. The negative pressure-free water supply pump station also comprises a secondary by-pass pipe, wherein one end of the secondary by-pass pipe is connected with the ultraviolet sterilizer, and the other end of the secondary by-pass pipe is connected with the pressure regulator. The negative pressure-free water supply pump station provided by the invention has the functions of energy saving, water saving, environmental friendliness, reliable water supply pressure and water quality, no negative pressure generated by a municipal water supply network, and the like.
Owner:JINJIAN ENVIRONMENTAL

Water storage system

The invention relates to a water collection and purification system, in particular to a water storage system which is firm in building and easy to construct. The water storage system comprises a water storage container, a water collection well and water permeability padding which is filled between the water collection well and the water storage container, water is filled into the water storage container through a water inlet pipe or a water permeability surface layer paved above the padding, the container wall is a seepage prevention air permeability wall which is composed of seepage prevention air permeability particles, the boundary of the seepage prevention air permeability wall is limited through air permeability wall bags, and fine sand particles are piled up on two sides of the seepage prevention air permeability wall to fix the seepage prevention air permeability wall in a squeezing mode. The container wall of the water storage system adopts the air permeability wall bags and are filled with the seepage prevention air permeability particles, thin sand are filled on two sides of the side wall to squeeze and reinforce the side wall, the water can be prevented from being leaked outwardly through seepage prevention performance of the seepage prevention air permeability particles, so that the seepage prevention performance of the water storage system is ensured, meanwhile, an air permeability degree of the whole water storage system is also ensured through the air permeability performance of the seepage prevention air permeability particles, and the stored water is enabled not to go bad easily.
Owner:RENCHSAND ECO ENVIRONMENT PROTECTION SCI & TECH CO LTD

Non-active double-layer containment with water storage steel pipe column

The invention belongs to the technical field of security structure design of a nuclear power station, and particularly relates to a non-active double-layer containment with a water storage steel pipe column. A base plate is located on a foundation; a steel containment is located on the base plate; an outer side plate is arranged on the outer side of the steel containment and is located on the base plate; a top plate is arranged on the outer side plate, an upper cooling water tank is located on the top plate and is situated right above the steel containment; upper cooling water is stored in the upper cooling water tank; a lower air intake hole and an upper vent hole are located on the outer side plate; a flow distribution disk is hung and welded on the top plate and is located between the upper cooling water tank and the steel containment; an air flow guide plate is welded on the inner side of the outer side plate. The cooling performance of the containment and the viability of the nuclear power station under an accident working condition are improved; and the structural property of the containment can be also greatly improved, so that a structural style of the steel containment is more reasonable, the rigidity of the steel containment is relatively greatly improved, and vibration resistance of the steel containment is improved.
Owner:SHANGHAI NUCLEAR ENG RES & DESIGN INST CO LTD

Well and water collection well

The invention discloses a well and a water collection well. The well comprises a bottom plate, a well chamber, a well cylinder adjustment block, a well ring and a well lid which are connected in sequence from bottom to top, wherein the lower parts of the bottom plate and the well chamber are integrally formed by pouring; and a water inlet is formed in a side wall of the well chamber. The water collection well comprises a sand sediment well and a water intake well which adopt the well, wherein a first water collection well chamber is connected between the sand sediment well and the water intake well; the sand sediment well is communicated with the first water collection well chamber through an upper water-passing hole; the first water collection well chamber is communicated with the water intake well through a lower water-passing hole and the water inlet of the water intake well; and vent holes are formed in the sand sediment well, the water intake well and the side walls at the upper part of the first water collection well chamber. The well and the water collection well are connected with a drainage pipeline of a drainage system, so that rainwater can be collected on a rainy day and urban water logging is avoided; and when the soil is droughty, the rainwater stored in the well can be pumped out for irrigating greenbelts to relieve the drought, so that wastes are turned into wealth and water resources are saved for cities.
Owner:日照市东兴城市配套设备有限公司

Water drainage well for sponge city

The invention discloses a water drainage well for a sponge city. The water drainage well comprises an outer well, a guide frame and a filtering box, wherein an inner well is arranged in the outer well; rainwater pipes penetrate through the surfaces of the inner well and the outer well; anti-overflow holes are formed in the surface of the inner well; a permeation well base is arranged under the outer well; a crushed stone layer is charged into a geotextile cloth; the guide frame is positioned in the inner well; a bearing shaft is fixedly connected with a coiling shaft at the inner side; a handle is arranged at the left side of the bearing shaft; a steel wire rope is wound at the outer side of the coiling shaft; the guide frame penetrates through the bottom part of the filtering box; a mounting base is arranged at the center of the bottom part of the inner surface of the filtering box. The water drainage well for the sponge city has the advantages that by arranging the outer well and theinner well, when excessive water is stored in the inner well, the water permeates into the permeation well base to be stored, so that the storage amount of the whole water drainage well is increased;by designing the coiling shaft and the steel wire rope, the filtering box can be lifted up, so that the garbage in the filtering box can be conveniently fetched out.
Owner:HUNAN UNIV OF ARTS & SCI
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