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34results about How to "Low ecological impact" patented technology

Method of imitating-wild directional hole-controlled root cultivation under forest of elaeagnus angustifolia

The invention discloses a method of imitating-wild directional hole-controlled root cultivation under the forest of elaeagnus angustifolia. The method includes the steps of 1), selection of forest land, namely selecting artificial forest land or mountain area with the elevation of 800-1200m, the slope of 30-60 degrees, the shade degree of 30%-70% and the depth of soil layer of more than 50cm, andthe slope facing north and east, with the temperature and humidity suitable for the growth environment of elaeagnus angustifolia; 2), mechanical drilling, namely avoiding rock and tree roots, using amechanical drilling machine on the slope to drill horizontal planting holes, wherein the diameter of the planting holes is controlled at 30-35cm, the depth is 40-50cm, and 1500-2000 holes are drilledper mu; 3), from March to June, filling well-allocated elaeagnus angustifolia culture media into the guide holes, planting 2-3 strong seedlings of elaeagnus angustifolia in the holes 10cm from the mouth, filling and patting with the media, pouring enough rooting water, covering the surface with weeds or withered leaves to moisturize, and performing harvesting after 3-5 years. The technique provided is simple in operation, less in investment, free from manual establishment of shading facilities and irrigation, high in yield, convenient in manual mining and capable of improving economic benefitof growers remarkably.
Owner:湖北金水源农业开发有限公司

Container type seawater desalination system

The invention discloses a container type seawater desalination system, comprising a first container and a second container, wherein a pretreatment system and a reverse osmosis system are arranged in the first container; and a forward osmosis system is arranged in the second container, the reverse osmosis system comprises a reverse osmosis booster pump, a reverse osmosis security filter, a high-pressure pump, an energy recovery device and a reverse osmosis membrane group, and the forward osmosis system comprises a forward osmosis water inlet pump, a forward osmosis security filter, a forward osmosis membrane group and a draw solution water tank. The reverse osmosis technology and the forward osmosis technology are integrated, the produced water quality is high, the operation pressure is relatively low, and the membrane pollution degree is low; an integrated energy recovery device and a high-flow filter element horizontal glass fiber reinforced plastic filter are integrated, and the desalination system is high in energy efficiency and compact in structure; subsystem arrangement and multi-group design are adopted, and the high-pressure pump and the energy recovery device are controlled by variable frequency, so that the operation mode is flexible, the operation flexibility is high, and the adaptability is high; and the desalination system has good economic value and environmentalprotection value.
Owner:HANGZHOU WATER TREATMENT TECH DEV CENT

Bridge and culvert type sheet-pile structure

InactiveCN101922148ALow ecological impactGood overall stabilityBulkheads/pilesRebarReinforced concrete
The invention provides a bridge and a culvert type sheet-pile structure, which belongs to a building structure of a sea lane embankment in a shallow paralic area. The bridge and culvert type sheet-pile structure has two rows of reinforced concrete prefabricated sheet-piles of which the lower ends are inserted into a bearing stratum of a seabed, wherein a reinforced concrete prefabricated baffle and another reinforced concrete prefabricated baffle with a semi-round slotted hole are arranged on the inner sides of the upper parts of two longitudinal adjacent reinforced concrete prefabricated sheet-piles in a staggered way, and a third reinforced concrete prefabricated baffle with a semi-round slotted hole is arranged on the another reinforced concrete prefabricated baffle; the end part of a culvert pipe is mounted in a round slotted hole and sleeved on the two sides of a reinforced concrete beam at the upper parts of two transverse reinforced concrete prefabricated sheet-piles through through-holes on the two ends; and the upper ends of the two rows of reinforced concrete prefabricated sheet-piles are provided with reinforced concrete longitudinal beams respectively. The sheet-pile structure adopted has the advantages that: seawater on the two sides of the sea lane can be communicated freely; after a project is built, a sea stream field is not affected; ecology is hardly affected; the whole stability is high; a few protection structures are built; work amount is small; transportation and installation are convenient and quick; and post maintenance is little.
Owner:王顺华

Riverside tail water treatment system device

The invention relates to a riverbank-type tail water treatment system, which is located at riverbank of the tail water discharge port of an urban sewage treatment plant and comprises a treatment pond, wherein the surface facing to water, of the treatment pond is a water-permeable outer wall; a partition is arranged in the treatment pond; the partition divides the treatment pond into an A-level ecological treatment region and a B-level ecological treatment region; water passing holes are formed on the partition and at the bottom of the treatment pond; a water-permeable supporting clapboard is arranged on the horizontal surfaces of the water passing holes inside the treatment pond; a water passing channel is formed in the space between the supporting clapboard and the base of the treatment pond; and a sewage inflow pipe and a sewage distribution device are arranged in the A-level ecological treatment region. The tail water treatment system has the advantages of simple structure, long service life, low maintenance cost and no occupied factory area; in the tail water treatment system, a large-resistance water distribution system is applied in the deep purification of the tail water soas to realize uniform water distribution, the tail water is further intercepted and purified before entering the river, the emission mode of the tail water is changed, the ecological influence on a river channel caused by concentrated tail water discharge is reduced; and the tail water treatment system can be combined with river regulation engineering to be used as the bank hydrophilic corridor and landscape.
Owner:HOHAI UNIV

Biological treatment device for chlorine-containing organic volatile pollutants and application thereof

The invention discloses a biological treatment device for chlorine-containing organic volatile pollutants and an application thereof. The biological treatment device for the chlorine-containing organic volatile pollutants includes a gas intake pipeline 1, a biological treatment box and an exhaust pipeline 2. According to the direction of inflow of the chlorine-containing organic volatile pollutants, the biological treatment box is provided with a biological filter bed 3, a biological filter bed spraying system 4, a growth-promoting flora bin 5, and a bin spraying system 6 from bottom to top insequence. Growth-promoting floras flow into the biological filter bed 3 at the lower side along with water and are used for supplementing growth-promoting floras to the biological filter bed 3. The growth-promoting floras are continuously supplemented to the biological filter bed, so as to treat the chlorine-containing organic pollutants with a biological method. The treatment device can realizepollution-free, low-cost and high-efficiency treatment of the chlorine-containing organic pollutants; the final chlorine-containing product is inorganic chloride salt and has quite low ecological impact, and the energy consumption of the device in use is quite low; the treatment device can treat the chlorine-containing organic pollutants with the highest concentration of up to 656 ppm.
Owner:朗昆(北京)新环保科技有限公司

Grassland fire protection device based on flame-retardant gas

ActiveCN112402834AReduce erosionAvoid can not be ruled outFire rescueStructural engineeringHydrology
The invention discloses a grassland fire protection device based on flame-retardant gas. The grassland fire protection device comprises a gas storage device, wherein the center of the top of the gas storage device communicates with a gas exhaust tube, the top of the gas exhaust tube communicates with a flow dividing disc, the periphery of the flow dividing disc communicates with flow dividing tubes, the ends, away from the flow dividing disc, of the flow dividing tubes communicate with buffer balls, and the tops of the buffer balls communicate with a gas outlet device; the parts, located around the gas outlet device, of the tops of the buffer balls are fixedly connected to heat conduction columns, the tops of the heat conduction columns are fixedly connected to heat collection pieces, thebottoms of the heat conduction columns communicate with mercury tubes, the ends, away from the heat conduction columns, of the mercury tubes penetrate through the flow dividing disc and extend into the flow dividing disc, and the inner walls of the ends, located in the flow dividing disc, of the mercury tubes are slidably connected to push rods. In use, after the heat collecting pieces are heated,the invention relates to the technical field of grassland protection. According to the grassland fire protection device based on the flame-retardant gas disclosed by the invention, fire spreading canbe conveniently and timely prevented, losses caused by a fire can be effectively reduced, protection effect is good, and use is safer and more reliable.
Owner:SUZHOU SHUAIZE INFORMATION TECH CO LTD

Using method for movable riverway sludge dredging device

The invention relates to a using method for a movable riverway sludge dredging device. According to the technical scheme, a movable hull and the sludge dredging device are included, a sludge agitator and a double-capacity mixer are used to fully mix the sludge at the bottom of a river with the river water to make the mixture into sewage, a suspending hammer at the front half part of the double-capacity mixer crushes the bulk material which is stirred out at the bottom of the river, and then a soft material such as a plastic bag or a rope is cut by a suspending slicing piece at the rear half part of the double-capacity mixer, so that the generated small-particle sewage is transported to a sewage storage tank in the form of fluid and then is pumped into the sludge treatment tank on the movable hull under the pumping action of a sewage pump for treatment, and the circulating water is sprayed to an inlet of the double-capacity mixer to drive the sludge into the double-capacity mixer to form a circulation. The using method has the beneficial effects that the riverway can be smoothly cleaned, the ecological impact on the riverway is very small, a lot of man-hours can be saved, and the serious influence on the use of the riverway and the traffic is unlikely; and in addition, compared to an existing dredging device, by the adoption of the using method, the efficiency is higher and the cleaning is thorough.
Owner:杨滨

Passive cross-season energy supply and energy storage system

The invention discloses a passive cross-season energy supply and energy storage system which aims to provide a system capable of realizing integrated switching of energy storage and energy supply of the same system by using a passive latent heat heat-exchange manner. The passive cross-season energy supply and energy storage system comprises a sealed container where a phase change working medium isfilled and which is buried in an energy storage body, a heat exchanger, a first fluid pipe and a second fluid pipe, wherein one end of the first fluid pipe is in communication with a first working medium port of the heat exchanger, the other end of the first fluid pipe passes through the upper end face of the sealed container, and the end face of a pipe opening is located at the upper portion inside the sealed container; one end of the second fluid pipe communicates with a second working medium port of the heat exchanger, the other end of the second fluid pipe passes through the upper end face of the sealed container, and the lower end face of the pipe opening is immersed into a phase change working medium; a liquid absorption control unit is installed on the second fluid pipe; and liquidabsorption cores are arranged in the positions, on the two sides of the liquid absorption control unit, in the second fluid pipe. The system adopts the passive latent heat heat-exchange manner, the transmission power consumption of the system can be greatly reduced, the heat exchange capacity per unit meter is effectively increased, and the system runs stably.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Industrial aquaculture zero-emission resource recycling and purifying system and purifying process thereof

The invention provides an industrial aquaculture zero-emission resource recycling and purifying system and a purifying process thereof. The purifying system comprises an aquaculture pond, a sediment adjusting pond, a microfiltration device, a vacuum suction filtration device, a three-stage biological purifying device, an ozone ultraviolet reactor and a clean water pond. A water inlet of the precipitation regulating tank is connected with a sludge outlet of the culture pond; a water inlet of the microfiltration device is connected with a water outlet of the precipitation regulating tank; a water inlet of the vacuum suction filtration device is respectively connected with a concentrated solution outlet of the microfiltration device and a precipitation solution outlet of the precipitation regulation tank; a water inlet of the third-stage biological purification device is connected with water outlets of the microfiltration device and the vacuum filtration device; the ozone ultraviolet reactor is connected to a water outlet of the three-stage biological purification device, a water inlet of the clean water tank is connected with a water outlet of the ozone ultraviolet reactor, and a water outlet of the clean water tank is communicated to the culture pond. Fish feces, feed residues and the like can be filtered, dried and separated, and cyclic utilization of culture pond water is achieved in cooperation with ex-situ remediation of biological floccules.
Owner:ZHONGKAI UNIV OF AGRI & ENG +1

Novel transportation device

The invention discloses a novel transportation device. The device comprises an electric aircraft, a parking platform, a power supply line rail, a control system, an emergency guarantee system and a circuit switching system, wherein the parking platform is used for placing an electric airplane; the power supply line rail is composed of a plurality of sections of power supply lines and electric towers connected with the lines, the power supply line rail is used for operating as an electric aircraft rail, and the control system is electrically connected with the electric aircraft, the parking platform and the power supply line rail and used for controlling the operating state of the electric aircraft in the flying process and handling various emergency situations. Through the arrangement of the structures such as the electric aircraft, the parking platform, the power supply line rail, the control system, the emergency guarantee system and the circuit switching system, the device is suitable for various complex terrains, relatively low in construction cost, relatively low in technical requirement, capable of being widely and frequently used, capable of densely covering regional landmarks, extremely small in environmental ecological influence and particularly suitable for regions with complex terrains.
Owner:游正广

A kind of planting method imitating wild directional holes to control roots under the golden fruit olive forest

The invention discloses a root-controlling cultivation method imitating wild directional holes under a golden fruit olive forest, comprising the following steps: 1) forest land selection: select an altitude of 800-1200 meters, a slope of 30-60 degrees, and a shading degree of 30%- 70%, the depth of the soil layer is more than 50 cm, and the temperature and humidity are suitable for the growth environment of the wild golden fruit. The artificial forest land or mountainous area facing north and east; 2) Mechanical drilling: avoid rocks and tree roots. Use a mechanical drilling machine to drill horizontally the planting holes on the slope surface. The diameter of the planting holes is controlled at 30-35 cm, the depth is 40-50 cm, and 1500-2000 holes are drilled per mu; 3) In March-June of the lunar calendar, the Fill in the guide holes with a good cultivation substrate of Lavenderia quinquefolium, plant 2-3 robust seedlings of Lavender quinces at a distance of 10 cm from the hole, fill them with the substrate and pat them down, pour enough water for rooting, and cover the surface with weeds or dead plants. The leaves keep moisture and can be harvested in 3-5 years; the technology provided by the invention is simple in operation, low in investment, does not require manual shading facilities and irrigation, and has high yield and convenient manual digging, which can significantly improve the economic benefits of growers.
Owner:湖北金水源农业开发有限公司

Dam convenient for fish to swim back

The dam comprises a dam body, a containing pipe and a fish inlet cylinder, the top of the containing pipe is open, and the fish inlet cylinder penetrates through the dam body and the side wall of the containing pipe to enter the containing pipe; a support is fixed to the side wall of the containing pipe, a mounting table is fixed to the top of the support, a closing plate is placed at the top end of the containing pipe, and a first rope is connected to the top end of the closing plate and connected with an output shaft of the first motor. A cover plate is slidably arranged on the inner wall of the containing pipe, a second rope is connected to the cover plate, and the second rope is connected with an output shaft of the second motor. A fish luring device is arranged in the containing pipe, a fourth rope is connected to the fish luring device, and the fourth rope is connected with an output shaft of a fourth motor; a fish twisting plate is arranged at the bottom of the containing pipe, the top wall of the fish twisting plate is connected with a third rope, the third rope is connected with an output shaft of the third motor, fishes on the downstream of the dam can conveniently swim back to the upstream, and the ecological influence caused after the dam is built is reduced.
Owner:CHONGQING WATER RESOURCES & ELECTRIC ENG COLLEGE

Bridge and culvert type sheet-pile structure

The invention provides a bridge and a culvert type sheet-pile structure, which belongs to a building structure of a sea lane embankment in a shallow paralic area. The bridge and culvert type sheet-pile structure has two rows of reinforced concrete prefabricated sheet-piles of which the lower ends are inserted into a bearing stratum of a seabed, wherein a reinforced concrete prefabricated baffle and another reinforced concrete prefabricated baffle with a semi-round slotted hole are arranged on the inner sides of the upper parts of two longitudinal adjacent reinforced concrete prefabricated sheet-piles in a staggered way, and a third reinforced concrete prefabricated baffle with a semi-round slotted hole is arranged on the another reinforced concrete prefabricated baffle; the end part of a culvert pipe is mounted in a round slotted hole and sleeved on the two sides of a reinforced concrete beam at the upper parts of two transverse reinforced concrete prefabricated sheet-piles through through-holes on the two ends; and the upper ends of the two rows of reinforced concrete prefabricated sheet-piles are provided with reinforced concrete longitudinal beams respectively. The sheet-pile structure adopted has the advantages that: seawater on the two sides of the sea lane can be communicated freely; after a project is built, a sea stream field is not affected; ecology is hardly affected; the whole stability is high; a few protection structures are built; work amount is small; transportation and installation are convenient and quick; and post maintenance is little.
Owner:王顺华

Riverbank-type tail water treatment system

The invention relates to a riverbank-type tail water treatment system, which is located at riverbank of the tail water discharge port of an urban sewage treatment plant and comprises a treatment pond, wherein the surface facing to water, of the treatment pond is a water-permeable outer wall; a partition is arranged in the treatment pond; the partition divides the treatment pond into an A-level ecological treatment region and a B-level ecological treatment region; water passing holes are formed on the partition and at the bottom of the treatment pond; a water-permeable supporting clapboard is arranged on the horizontal surfaces of the water passing holes inside the treatment pond; a water passing channel is formed in the space between the supporting clapboard and the base of the treatment pond; and a sewage inflow pipe and a sewage distribution device are arranged in the A-level ecological treatment region. The tail water treatment system has the advantages of simple structure, long service life, low maintenance cost and no occupied factory area; in the tail water treatment system, a large-resistance water distribution system is applied in the deep purification of the tail water soas to realize uniform water distribution, the tail water is further intercepted and purified before entering the river, the emission mode of the tail water is changed, the ecological influence on a river channel caused by concentrated tail water discharge is reduced; and the tail water treatment system can be combined with river regulation engineering to be used as the bank hydrophilic corridor and landscape.
Owner:HOHAI UNIV
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