49results about How to "Alleviate water shortage" patented technology

The invention discloses a double-cropping no-tillage seedling-throwing straw-to-farmland rice high-yield and high-efficiency production method which comprises the following steps of: a, cleaning a ditch and draining in winter, to be specific, ditching to let rice field leakage water go in winter so as to keep no accumulated water on a field surface before seedling throwing of early season rice; b, performing no-tillage planting and management on the early season rice, to be specific, growing seedlings of the early season rice by using a plastic soft tray, throwing the seedlings when the seedlings have 3.5-4.5 leaves, and wetting as well as irrigating the early season rice in the whole process; c, utilizing straws of the early season rice, to be specific, remaining high stubbles while harvesting the early season rice; d, performing no-tillage planting and management on late rice, to be specific, growing seedlings of the late rice by using the plastic soft tray or growing the seedlings in a dry manner without the tray, and adopting an irrigation mode of irrigating shallowly and exposing the field; e, utilizing the straws of the late rice, to be specific, remaining high stubbles while harvesting the late rice. The double-cropping no-tillage seedling-throwing straw-to-farmland rice high-yield and high-efficiency production method solves the problems of great tillage labor intensity, slow nutrient transformation, easy runt seedlings and no growth of the rice, late maturity, low yield and the like of soil gleyization and secondary soil gleyization rice production in south rice areas, is a matured production technology for improving low-yield rice fields in soil gleyization and secondary soil gleyization, and achieves great application and generalization values in the aspects of reducing agricultural production cost, improving soil organic matters, decreasing fertilizer applying amount, increasing rice yield, improving moisture and fertility preservation performances of soil and the like.

The invention provides a rice dry-farming direct-seeding planting method, which is characterized by comprising the following: a, a step of preparing land, which is to level and harrow land before sowing, replenish pre-sowing water and keep soil moisture between 75 and 85 percent; b, a step of sowing, which is to uniformly sow rice seeds on the land finished in a step a, wherein the amount of seeds per each Mu of land is 2.5 to 5.4 kg; c, a step of earthing up, which is to earth up at a height of 1.5 to 3 centimeters after sowing is finished; d, a step of compacting, which is to compact after earthing up; and e, a step of spraying film, which is to add 0.03 to 0.06 kilogram of 2-methyl-4-chlorophenoxy acetic acid serving as herbicide to 60 to 80 liters of water, mix and stir the materials and uniformly spraying the obtained product on the compacted land so as to finish the dry farming and direct seeding of rice. The rice dry-farming direct-seeding planting method can leave out two work links of cultivating seedlings and transplanting. After multifunctional degradable liquid mulching film is sprayed on ground, effective accumulated temperature can be increased; rice water shortage is alleviated; the physical and chemical properties of soil are improved; microbial activity is improved; the decomposition and release of soil organic substances are accelerated; the transfer of effective nutrient to plants is accelerated; and the photosynthetic efficiency and nutrient conveying rate of rice are improved. The method has the advantages of ensuring exuberant tillering tendency, low positions of tillering knobs and numerous big ears, saving water by 50 to 70 percent and increasing yield by about 10 percent.

The invention mainly discloses a surface water recycling system for a sponge city. The surface water recycling system comprises a pure water storage system, a sewage treatment system and a water flow control system, wherein the pure water storage system comprises a first water well, a second water well and a circulation well which are connected with one another; the sewage treatment system comprises a first sewage treatment device located in the first water well and a second sewage treatment device located in the second water well. The surface water recycling system can realize effective percolation, treatment and collection of surface water, improves the water quality and facilitates surface water recycling. A construction method of the surface water recycling system comprises steps of ground treatment, foundation pit treatment, building of the water wells, installation of the sewage treatment system, building of the circulation well, laying of filtering plates, laying of internal pipes, laying of water guide pipes and ground surface treatment. The construction method is reasonable in design and adopts simple and reliable construction steps, the construction steps are joined and arranged properly, accumulated water can be guided effectively to infiltrate to underground, and the effect of sufficiently recovering rainwater and surface water is realized.

The invention relates to a fertilizer moisture well comprising a well lid, a well mouth and a well body, wherein the well mouth and the well body are in cylinder shapes; the well mouth is connected above the well body; the well lid is arranged on the upper part inside the well mouth; the middle of the well lid is downwards recessed; the well lid is provided with a through hole with a top down shape; the well body is a pipeline with a micropore; and the lower part of the well body is provided with a geotextile back cover. The invention improves the physicochemical property of soil and has the characteristics of convenient fertilization, watering and rainwater collection.

The invention discloses a hydrophilic water transport plate for an integrated renewable proton exchange membrane fuel cell and a preparation method for the water transport plate. The method comprises the steps of firstly hydrophilically treating a carbon nanomaterial; secondly uniformly mixing the hydrophilically treated carbon nanomaterial, a conductive additive, a reinforced carbon fiber and a resin adhesive; and finally performing thermoforming in a mould to obtain the hydrophilic water transport plate, wherein the hydrophilic carbon nanomaterial achieves the effect of promoting water transport. The water transport plate serving as a bipolar plate for the integrated renewable proton exchange membrane fuel cell has good water-penetrating property; and the situations of water shortage and flooding in a working mode of the fuel cell can be effectively relieved, the performance of the fuel cell can be improved, the static water supply can be realized directly by utilizing cooling water in a working mode of an electrolytic tank, the anodic concentration polarization phenomena can be reduced, the electrolytic performance under high electric density can be improved, a system can be simplified, and the energy consumption can be reduced.

The invention relates to a chemical conditioner for improving red soil dry land. A preparation method of the chemical conditioner comprises the following steps: evenly mixing 30-45 percent of light calcined powder (MgO), 15-20 percent of nanometer CaCO3 and 15-25 percent of monopotassium phosphate (grinded to 100 mesh sieves), filling the mixture into a container, and adding 30-45 percent of polyacrylamide/attapulgite clay compound super absorbent resin to mix evenly in the container. The chemical conditioner can supplement elements such as calcium and magnesium lapsed in soils, promotes balance of soil nutrients, improves productivity of soils, and effectively solves the problems of poor crop growth and low output caused by serious shortage of medium elements such as calcium and magnesium in the red soil dry lad in China and frequent regional and seasonal drought, thereby having wide application prospect in crops of red soil dry lands.

The invention discloses a deep treatment technology for reclaimed water. The method sequentially comprises the following steps that yielding water of a sewage treatment plant is firstly pumped into a BAF pool for deep biochemical treatment, enters a denitrification filter pool and then enters a nitration filter pool, and aeration treatment is performed; chemical phosphorus removal is performed on yielding water of the BAF pool; deep adsorption is performed on yielding water of a filter cloth filter through a granular activated carbon adsorption tank; yielding water of the granular activated carbon adsorption tank is pumped into a nitrate nitrogen ion exchange resin deep treatment system. Compared with the prior art, the deep treatment technology for the reclaimed water has the following advantages that the reclaimed water can stably reach the III-class water standard of surface water and is enough to serve as supplementary water of park internal lakes after being treated by adopting the deep treatment technology; the internal lakes are supplemented by the reclaimed water treated by adopting the deep treatment technology, the regional water shortage problem can be partially relieved, and the deep treatment technology is consistent with the cyclic utilization and energy conservation and environment protection policies advocated by the state; the deep treatment technology is lower in comprehensive investment and operation cost; the deep treatment technology is free of hidden dangers of secondary pollution.

The invention relates to the technical field of domestic sewage treatment, and provides a three-dimensional domestic sewage purification system which is suitable for being installed and used in ordinary resident families and is good in effect of sewage treatment, low in treatment cost, economical in energy, capable of using hydroenergy in a recycled way and effective utilizing solid dirt in the sewage, so that the problems of water shortage in cities and water usage of residents are alleviated. The three-dimensional domestic sewage purification system comprises an adjusting tank, a photoreaction block, a water storage tank and an anaerobic reaction tank. A domestic sewage input pipeline is arranged on the adjusting tank, and the adjusting tank is communicated with a water inlet at the upper part of the photoreaction block. The water storage tank is communicated with a water outlet at the lower part of the photoreaction block, and the lower part of the water storage tank is connected with a water recycling pipeline. The anaerobic reaction tank is arranged below the adjusting tank and is communicated with the adjusting tank. The upper part of the anaerobic reaction tank is provided with a methane collecting pipeline, and the bottom of the anaerobic reaction tank is provided with a sludge discharge port.

The invention discloses a water storage structure of an urban runoff unit. A settling tank and a water storage tank are built under an urban highway, water passing holes are formed in the upper portion of an isolation wall between the settling tank and the water storage tank, a shutter grate is arranged above the settling tank, the settling tank and the water storage tank are provided with ventilation pipelines communicated with the outside, the upper ends of the ventilation pipelines are placed into a flower bed of a sidewalk and used for exhausting air in the settling tank and the water storage tank, dredging grooves are formed in the bottom of one side of the settling tank and in the bottom of one side of the water storage tank and are lower than the settling tank and the water storage tank, the bottoms of the settling tank and the water storage tank are gradually inclined along the direction of the dredging grooves to form inclined surfaces with slopes alpha, drain outlets are formed in the upper portions of the settling tank and the water storage tank respectively and sealed by drain outlet cover plates, and walking ladders aligned to the respectively corresponding drain outlets are arranged in the settling tank and the water storage tank. The water storage structure is low in cost, high in water storage capacity and implementation feasibility and thoroughly solves the problem of urban inland inundation, and accumulated rainwater can be reused.

Disclosed is a series-connection jacking pressure non-negative pressure water supply device. When the device works and tap water feeding pressure is normal and can meet the using requirement of a water pump, an air exhaust device connected with a water storage tank is opened to enable tap water to enter the water storage tank, the air exhaust device is closed after the water storage tank is filled with water, then the tap water enters a water inlet of the water pump through an air storage tank, and at the moment the water pump automatically works to supply water in an overlapping and pressurization mode so as to meet the using requirement of a user. When the flow quantity of the tap water cannot meet the using requirement of the water pump, an air inflation device automatically operates, a controller is started at the same time, and high-pressure air enters the water storage tank, so that the water stored in the tank is forcibly squeezed to flow to the water pump completely, the stable pressure of the tap water is ensured, the water stored in the tank and the tap water are supplied to the water pump simultaneously, and the problem that the flow quantity of the tap water is not enough is solved. After the tap water recovers, the air exhaust device is automatically opened, the water storage tank is filled with tap water again, and the steps are executed in cycles.

The invention discloses a steep hillside orchard fertilizing system and a control method thereof. The steep hillside orchard fertilizing system comprises a water source project, a dosing system, a power device, a water transmission pipe network and a spraying apparatus. The control method includes steps of feed liquid preparation, filtering, starting of an irrigation pressure device, feed liquid spraying, cleaning of fertilizer distributing system and the water transmission pipe network, closing of the power device and the water valve. Through the dosing system and the power device, fluid material is pumped to every spraying zone of the steep hillside orchard through the water transmission pipe network; an outlet valve of every spraying zone is linked with a spraying hose and a spray gun so as to irrigate fruit trees in the zone. The system is applicable to the steep hillside orchard, small in investment and has advantages of effectively saving human source, significantly reducing labor intensity and production cost, and greatly improving the pesticide spraying and leaf fertilizer applying efficiency of the steep hillside orchard.

Disclosed is a parallel-connection jacking pressure overlying water supply device. When the device works and tap water feeding pressure is normal and can meet the using requirement of a water pump, the water pump automatically works to supply water in an overlapping and pressurization mode so as to meet the using requirement of a user, an air exhaust device connected with a water storage tank is opened to enable tap water to enter the water storage tank for storage, and the air exhaust device is closed after the water storage tank is filled with water. When the flow quantity of the tap water cannot meet the using requirement of the water pump, an air inflation device automatically operates, a controller is started at the same time, high-pressure air enters the water storage tank, and the water stored in the tank is pushed to flow to the water pump completely, so that the water stored in the tank and the tap water are supplied to the water pump simultaneously, and the problem that the flow quantity of the tap water is not enough is solved. After the tap water recovers, the air exhaust device is automatically opened, the tap water enters the water storage tank again for storage, and the steps are executed in cycles.

The invention discloses a micro-structure condensation cloth for all-weather water collection, which is characterized in that the micro-structure condensation cloth overcomes gravity to realize continuous directional water transportation on the premise of not consuming extra energy by constructing a microscopic spine structure on the surface of a fiber prepared from a radiation refrigeration composite material, so that all-weather condensed water collection is realized. Compared with the prior art, the micro-structure condensation cloth not only has the functional characteristics of excellent directional water transportation capacity, radiation refrigeration performance and the like, but also has the excellent structural characteristics of softness, light weight, large surface area and the like, and a condensation device with a controllable shape and structure can be constructed; a user can design different structures according to actual requirements so as to adapt to complex application requirements of multiple scenes. The method can be applied to areas where available surface water resources are deficient due to drought, semi-drought, water pollution, water and soil loss and the like, the problem of water shortage can be relieved to a certain extent, and a candidate choice is provided for production and domestic water.

The invention belongs to the field of seedling culturing matrixes and relates to a functional seedling culturing matrix, in particular to a functional seedling culturing matrix and an application thereof. The functional seedling culturing matrix comprises wormcast, activated carbon, a long-acting organic fertilizer, solid water, a photosynthetic biological fertilizer and grass carbon. The designed seedling culturing matrix contains the solid water and the photosynthetic biological fertilizer; the solid water can effectively relieve the water-deficient phenomenon of the seedling culturing matrix due to the fact that the matrix is not watered for a long time and can supplement water for a long time; the photosynthetic biological fertilizer can greatly increase the utilization rate of nitrogen, also has a nitrogen fixation function, improves the ecological environment of crop root systems, has sterilization and pest inhibition functions and improves plant quality; the seedling culturing matrix is stored in a designed round plastic tank, and the action effect of the seedling culturing matrix can be further improved. The growth cycle of cultured plants can be shortened; the interest and capability of children can be cultivated, and the functional seedling culturing matrix can be used for ornament in the growth period and is very suitable for a sightseeing park.

The invention discloses compound high-permeability moisture preservation essence and a preparation process thereof. The compound high-permeability moisture preservation essence is prepared from ingredients of tetrahydropiperine, hydroxydecyl quinone, water-soluble nitrogen ketone, dimethyl sulfoxide, water-soluble borneol, acetyl amino sugar, jucerne extraction liquid, tocopherol, blue balm extraction liquid, chlorella extracts and the like. The substances of tetrahydropiperine, water-soluble nitrogen ketone, dimethyl sulfoxide, water-soluble borneol, acetyl amino sugar, PEG-40 hydrogenated castor oil and the like are used, so that the irritation on the human body skin can be avoided; the face skin water shortage is relieved; the face skin maintains the watery, transparent and white state;meanwhile, the skin water supplementation requirements are met; the moisture preservation effects are achieved.

The invention discloses a gas liquid convection-type water and salt separator. The gas liquid convection-type water and salt separator comprises an inlet pipe, a evaporation and gas liquid convection glass box, an air exhaust pipe, a heat-insulation steam cylinder, a steam return pipe, a cooling water sleeve, a pneumatic tube, a fresh water case; the evaporation and gas liquid convection glass box can be divided into a front chamber and a reach chamber, the tails of two chambers are communicated, the inlet pipe is connected with the rear chamber after passing through the cooling water sleeve, the rear chamber, the air exhaust pipe and the heat-insulation steam cylinder are connected in order, a suction pump is used for extracting heating steam from the rear chamber into the heat-insulation steam cylinder, the heat-insulation steam cylinder is connected with the steam return pipe, a bidirectional valve is arranged on the steam return pipe, when the bidirectional valve enables unidirectional opening, the heating steam is returned to the front chamber through the steam return pipe, when the bidirectional valve enables bidirectional opening, a part of hot steam is returned to the front chamber through the steam return pipe, and the other part passes through the steam return pipe and is introduced into the cooling water sleeve, the pneumatic tube and the fresh water case in order. The gas liquid convection-type water and salt separator has the beneficial effect that haline water is processed, so that salt and water can be effectively separated, salt crystal and fresh water are respectively obtained, the desalting efficiency is high, the production is simple, compared with the prior art, the operating efficiency is obviously increased, and the separator has wide application prospect.

The invention discloses an urban road green belt and sidewalk rainwater drainage system and a construction method and relates to the technical field of urban construction. The system comprises a motorvehicle lane, a green belt, a non-motor vehicle lane and a sidewalk. A surface of one side of the green belt is connected with the motor vehicle lane through a first vertical kerb; the other side isconnected with one side of the non-motor vehicle lane through a second vertical kerb; the other side of the non-motor vehicle lane is connected with the sidewalk through a third vertical kerb; rainwater wells are arranged at the bottoms of one sides of the motor vehicle lanes and the non-motor vehicle lanes; and an overflow rainwater well is arranged at the bottom of one side of the green belt, the rainwater well and the overflow rainwater well are connected with a municipal rainwater pipe, water permeable bricks are laid on the surface of the sidewalk, the green belt is sequentially providedwith an anti-seepage composite geomembrane, a gravel layer, water permeable geotextile and planting soil from bottom to surface, and a water permeable pipe wrapped with the water permeable geotextileis connected with the overflow rainwater well. The system and the method are used for urban road and cell and factory road construction, can effectively solve problems of urban waterlogging and unsmooth drainage, and has characteristics of wide application, strong practicability, firmness and durability, and simple and convenient maintenance.

The invention discloses a method and a device for efficiently collecting karst region rock-soil interface water flow. The method comprises the following steps of: (1) thickness distribution of soil isdetected by using a marking pin: the marking pin is made of a steel bar, and is inserted into a underlying bedrock; the insertion depth of a soil layer is marked by a water color pen; and then a place where a slope surface is thicker relative to the soil layer is found by measuring the insertion depth using a measuring tape; 2) an equation for calculatinginstantaneous water flow potential at a rock-soil interface is predicted: the soil layer is in direct contact with a rock layer to form a rock-soil interface; a water flow at the rock-soil interface comes from gravity water flowing at the slope surface in the lateral direction, the rock-soil interface is connected with a gauze; a water-surrounding weiris connected with cement mortar; and a PVC pipe is separately connected with the water-surrounding weirand awater storage tank. According to the method and the device for efficiently collecting a karst region rock-soil interface water flow, the instantaneous water flow size atthe rock-soil interface ofa certain karst slope is obtained through a water flow potential prediction equation, so that the best position for building a rock-soil interface water flow collection device is determined. The method is easy to implement, and the operation is simple and efficient.

The invention discloses a condensed water recycling device and method based on low-temperature flue gas of an afterheat boiler. The condensed water recycling device comprises an afterheat boiler (6), a flue pipe (1), a chimney (10), a first water pump (2) and a water supplementing tank (3), and is characterized by also comprising a plate type heat exchanger (3), a steam collection cylinder (4) and a condensed water collection tank (7), wherein the plate type heat exchanger is arranged in a front-end flue positioned between the afterheat boiler (6) and the chimney (10); a soft water outlet of the plate type heat exchanger is connected with a water feeding pipeline of the afterheat boiler; an outlet of the steam pipeline of the heat boiler is connected with the steam collection cylinder (4); and the condensed water collection tank (7) is arranged under a cold water port of the plate type heat exchanger. The plate type heat exchanger is arranged in the flue, and the afterheat of the low-temperature flue gas is fully recycled, so that the water feeding temperature of the boiler is improved, and the fuel utilization efficiency is improved; the flue gas condensed water is recycled and is used as boiler supplementary water, the phenomenon of water deficiency in northwest areas is alleviated; the phenomenon that the flue and the chimney equipment are frozen when the equipment runs in winter is avoided, and the service life is extended.

The invention discloses an indoor lawn planting room which comprises a planting room body, a planting room roof rainwater recycling system, a planting room surrounding ground rainwater recycling system, a planting room inner irrigation sewage recycling system and three purification mechanisms matched with the planting room roof rainwater recycling system, the planting room surrounding ground rainwater recycling system and the planting room inner irrigation sewage recycling system one to one, wherein the planting room roof rainwater recycling system is correspondingly arranged on a roof at thetop of the planting room body; the planting room roof rainwater recycling system comprises first water permeable cloth, a filtering layer, a partition plate and a first water draining module. In the indoor lawn planting room, the planting room roof rainwater recycling system, the planting room surrounding ground rainwater recycling system and the planting room inner irrigation sewage recycling system are effectively combined with the planting room body, so that a water resource is greatly saved, the technical requirements on irrigation of three-dimensional green of a building can be met, and the indoor planting cost is lowered.