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197 results about "Green water" patented technology

Green-water navy is terminology created to describe a naval force that is designed to operate in its nation's littoral zones and has the competency to operate in the open oceans of its surrounding region. It is a relatively new term, and has been created to better distinguish, and add nuance, between two long-standing descriptors: blue-water navy and brown-water navy.

Artificial wetland device for denitrification of low-pollution water and treatment method thereof

The invention discloses an artificial wetland device for denitrification of low-pollution water and a treatment method thereof. The artificial wetland device for denitrification of low-pollution water comprises a constant-flow pump, an intake zone, a main body reaction zone and an outlet zone, wherein the low-pollution water is pumped into the intake zone through the constant-flow pump; an inlet hole and an intake valve are arranged in the intake zone; an outlet hole and an outlet valve are arranged in the outlet zone; a vertical upward hierarchical packing zone is arranged inside the main body reaction zone; a four-season evergreen aquatic plant is planted above the packing zone; denitrifying microbial liquid and a nutrient solution are arranged inside the main body reaction zone. By adopting the artificial wetland device, the effects of the artificial wetland in the aspect of denitrification treatment and three aspects of the plant, matrix and microorganisms are fully intensified, the denitrifying microbial liquid is prepared by screening denitrification superiority strains in the stable wetland, applied to the artificial wetland device, and matched with preferable winter evergreen aquatic plant, so as to intensify the denitrification efficiency of the low-pollution water by the artificial wetland and keep the stability in autumn and winter.
Owner:NANJING UNIV

Method for calculating crops production water footprint based on field water and fertilizer utilization process

The invention discloses a method for calculating crops production water footprint based on field water and fertilizer utilization process. The method for calculating crops production water footprint based on the field water and fertilizer utilization process comprises steps of determining a calculation object, obtaining related parameters during a crop growing process, such as a fertility stage, precipitation, crop per unit yield, irrigation water consumption, etc, measuring field crop evapo transpiration, calculating blue water consumption and green water consumption, measuring and calculating loss quantity of total nitrogen and total phosphor, calculating a dilution water quantity which can make discharged water reach an acceptable level considering a water quality standard and concentration of the total nitrogen and the total phosphor in a discharged water resource, using the blue water consumption quantity, the green water consumption quantity, a dilution water quantity and crop per unit yield to calculate the crop production blue water footprint, the green water footprint and a grey water footprint of a measuring and calculation object to obtain the crop production water footprint and determine its constitution. The method for calculating crops production water footprint based on the field water and fertilizer utilization process calculates production water footprints of the agriculture products through processes of utilization, conversion and consumption of blue water and green water which reflect the growth of the crops during an agriculture water fertilizer.
Owner:HOHAI UNIV

Preparation method of three-dimensional macroporous carbon/carbon nanotube/titanium dioxide/silver composite material capable of catalytically degrading unsymmetrical dimethylhydrazine

The invention provides a preparation method of a three-dimensional macroporous carbon/carbon nanotube/titanium dioxide/silver composite material capable of catalytically degrading unsymmetrical dimethylhydrazine, relating to the technical field of environment. The preparation method comprises the following steps: carrying out carbon nanotube dispersion solution and phenolic resin solution deposition and carbonization activation by using a polymer foam template to prepare a three-dimensional macroporous carbon nanotube/activated carbon composite foam material, and modifying a silver-doped titanium dioxide nanoparticle layer on the surface. The used materials are green and environment-friendly. The preparation method is simple. The structure is firm. The macropores are beneficial to multi-azimuth lighting and water body circulation; the mesopores are beneficial to adsorbing unsymmetrical dimethylhydrazine; and the silver-doped titanium dioxide nanoparticles can photocatalytically degrade the unsymmetrical dimethylhydrazine. Thus, the composite material is hopeful to become a novel green water treatment material capable of photocatalytically degrading unsymmetrical dimethylhydrazine at high efficiency.
Owner:YANGZHOU UNIV

Garden greening water storage device

The invention discloses a garden greening water storage device. The garden greening water storage device includes a water storage tank and a water collection hopper, wherein an opening is formed in the upper end of the water storage tank, and the lower end of the water collection hopper is communicated with the opening in the upper end of water storage tank; a sliding plate, a baffle ring and an elastic part are arranged inside the water storage tank, wherein the sliding plate is slidably arranged inside the water storage tank in the vertical direction, the baffle ring is arranged on the innerwall of the water storage tank and is located above the sliding plate, and the elastic part is arranged inside the water storage tank and is used for driving the upper end face of the sliding plate to abut against the lower end face of the baffle ring. The garden greening water storage device has the advantages that the water storage tank is provided with the water collection hopper, after rainwater accumulates in the water collection hopper, the sliding plate inside the water storage tank descends under the effect of gravity of the rainwater, and the rainwater in the water collection hoppersequentially passes through the middle of the baffle ring and a water permeating gap and then flows into the water storage tank; after rain stops, the rainwater in the water collection hopper is reduced continuously, the sliding plate ascends under the elastic effect of the elastic part to abut against the lower end face of the baffle ring, evaporation loss of moisture inside the water storage tank is reduced, and the effects of collecting and utilizing rainwater resources are achieved.
Owner:北京碧海怡景园林绿化有限公司

Roof greening water supply and drainage system based on remote control

The invention belongs to the field of water supply and drainage automatic control, and discloses a roof greening water supply and drainage system based on remote control. The system includes an upper computer system and a lower computer system, wherein the upper computer system utilizes a low-power consumption single-chip microcomputer microprocessor to process data related with sun irradiation time and irradiation intensity, and enables the lower computer system to run according to a preset program, is also used for controlling the lower computer system to realize automatic water supply through two methods, and sends out instructions of utilizing an electric mode to control in places with bad water quality and utilizing an electromagnetic mode to control in places with good water quality; and the lower computer system is used for collecting real-time information of the roof greening water supply and drainage system, and taking corresponding control measures according to the collected real-time information. The roof greening water supply and drainage automatic control system is realized through control of the lower computer by the upper computer. The roof greening water supply and drainage system based on remote control can remotely control an automatic water supply and drainage system of roof greening, and effectively collect rainwater and residual water generated by too much irrigation, thereby effectively avoiding waste of water resources, and avoiding waste of manpower resources at the same time.
Owner:武汉梦之蓝科技有限公司

Method and system for treating domestic sewage by using sewage water generated by desulfurization and dedusting of coal-fired boiler

The invention discloses a method and a system for treating domestic sewage by using sewage water generated by desulfurization and dedusting of a coal-fired boiler, belonging to the range of energy-saving environment-protective wastewater comprehensive treatment technologies and equipment. The lower part of a dedusting and desulfurization tower is connected with a gray-water separation pool, the gray-water separation pool is respectively connected with a mixing pool and a circulating pool, the mixing pool is communicated with one end of a slag trough, the other end of the slag trough is connected with the circulating pool, an acidic clear water pipe is led out of the upper part of the gray-water separation pool to be connected to the circulating pool; a filter mesh is arranged in a domestic sewage reservoir; quasi-reclaimed water after the filtration enters a quasi-reclaimed water pool; and the quasi-reclaimed water pool is connected to the mixing pool. The method adopts the new concept of treating sewage by using sewage, combines the desulfurization, the dedusting, the energy conservation, the water conservation, the water treatment, the prevention of secondary pollution and the like as a whole, carries out the comprehensive treatment and forms a green environment-protective chain. The use of the method can treat hundreds of thousands of tons of various types of sewage annually, thereby realizing energy conservation, emission reduction and recycling of the sewage. The device can save the investment by more than one half, and the promotion range is wide, thereby protecting green water, blue sky and health of people.
Owner:武建国

Method for purifying pig-raising wastewater by using green water cress

The invention relates to a method for purifying pig-raising wastewater by using green water cress. The method comprises the following steps: (1), the pig-raising wastewater enters a marsh gas tank and stays for 4 days to 8 days; (2), effluent after being treated by the marsh gas tank enters a sedimentation tank and stays for 4 days to 6 days; (3), effluent after being treated by the sedimentation tank enters a green water cress surface current artificial marsh and stays for 3 days to 5 days; (4), effluent after being treated by the green water cress surface current artificial marsh enters a green water cress undercurrent artificial marsh and stays for 3 days to 5 days; and (5), effluent after being treated by the green water cress undercurrent artificial marsh enters an ecological pond, stays for 4 days to 6 days and then is discharged. The effluent after being treated by the ecological pond can pass by a secondary sedimentation tank and a sterilization pond and returns to be used as swinery-flushing water. The method uses a water economic plant-green water cress to purify the pig-raising wastewater, is simple and convenient to operate, has low investment and operation costs, produces byproducts with economic values, such as green water cress, fishes, and the like and can recycle the pig-raising wastewater so as to greatly decrease the purification cost for the swine wastewater and unify economic benefits, social benefits and environmental benefits.
Owner:JIAYING UNIV

Fertilization method of greenhouse cantaloupe

A fertilization method of greenhouse cantaloupes comprises the following steps: (1) transplanting melon seedlings, spraying leaf surfaces with a fruit water-soluble fertilizer, and rinsing roots with a root-promoting and sweet-increasing liquid; (2) during the seedling stage: spraying the leaf surfaces with the fruit water-soluble fertilizer and a flower water-soluble fertilizer, and rinsing the roots with the root-promoting and sweet-increasing liquid and a root-calcium water-soluble fertilizer; (3) during the flowering stage: spraying the leaf surfaces with a boron water-soluble fertilizer and a green water-soluble fertilizer, and rinsing the roots with a high-potassium rinsing fertilizer and a leaf-protective magnesium-rinsing water-soluble fertilizer; (4) from the melon-set stage to the fruit-expanding stage: spraying the leaf surfaces with a strongness water-soluble fertilizer, a cover water-soluble fertilizer, and a fruit water-soluble fertilizer, and rinsing the roots with a high-potassium rinsing fertilizer, the root-calcium water-soluble fertilizer, and the leaf-protective magnesium-rinsing water-soluble fertilizer. The invention can supplement nutritional components such as calcium, magnesium, iron, zinc, manganese, boron, copper, molybdenum and the like required by greenhouse cantaloupes during each growing stage, can maintain balanced nutrition for greenhouse cantaloupes, and can improve the yield and quality of cantaloupe fruits.
Owner:汕头市微补植物营养科技有限公司

Energy-saving greening watering device for municipal administration and application thereof

The invention discloses an energy-saving greening watering device for municipal administration and application thereof. The energy-saving greening watering device includes a bottom plate; a water collection tank is arranged on the top of the bottom plate; a tank cover is arranged on the top of the water collection tank; a filtering net is arranged between a left side wall and a right side wall of an inner cavity of the tank cover; a door roller is arranged on the top of the tank cover; a liquid level sensor is arranged on the bottom of a left wall of the inner cavity of the water collection tank; a solar energy converter is arranged on the left side of the water collection tank; a solar cell panel is arranged on the left side of the solar energy converter; a water conveying pipe is connected to a right side wall of the water collection tank; the right side of the water collection tank is connected to a water supply pump through the water conveying pipe; the right side of the water supply pump is connected to a spraying box through the water conveying pipe; and a spraying disc is arranged on the top of the spraying box. The energy-saving greening watering device can save water and electricity, can achieve an environment-friendly and energy-saving effect, can save human resources, can reasonably utilize resources, and meets the current energy-saving and environment protection idea.
Owner:夏胜军

Greening watering device

The invention provides a greening watering device. The greening watering device comprises a bottom plate, a guide column and a position-locking groove. The bottom plate is horizontally placed on the horizontal plane, and the tops of two side walls of the left end and the right end of the bottom plate are fixedly connected with side guard plates. The top of the edge of the rear end of the bottom plate is upwards provided with a standing plate perpendicular to the plane of the top of the bottom plate. The bottom surface of the bottom plate is horizontally provided with two installing pins with plug holes, and the right ends of the installing pins are connected to a plug embedded in the side wall of the standing plate through connecting columns. According to the greening watering device, a positioning needle and a position-locking block are installed, a positioning needle rotation shaft is inserted to the part, extending to the exterior of the inner side wall of the standing plate, of a rotation shaft, and the structure of the position-locking groove is matched with the structure of the tail end of the outer side of the positioning needle, so a water diversion pipe is positioned and fixed through the positioning needle while the rotation adjustment is performed, and the water diversion pipe can be freely rotated in a preset angle. The water diversion pipe can be used for wateringwhile the shrub layers at two sides of a road need to be irrigated.
Owner:朱利良
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