30results about How to "Prevent water erosion" patented technology

The invention discloses a method for repairing lead and zinc polluted soil by utilizing accumulator plants-ryegrass and pig manure. The method comprises the following steps of: mixing the pig manure with the lead and zinc polluted soil; planting the ryegrass; fully uniformly mixing the pig manure with surface layer polluted soil under the condition that the applied concentration of the pig manure is 20-80g/kg; absorbing lead and zinc in the lead and zinc polluted soil through the root parts of the ryegrass; transferring the lead and the zinc to the overground parts of the ryegrass; when the overground parts of the plants are mature and can be harvested, moving away the plants from the polluted soil so as to achieve the purpose of removing lead and zinc pollution from the soil. As the ryegrass is good in regeneration capability and high in growth speed and can be repeatedly harvested without complex management, the energy consumption is low, the operability is good, the ecological safety is high, the environmental physicochemical property cannot be destroyed, the secondary pollution cannot be caused, a soil structure cannot be destroyed and polluted, the fertility improvement capability cannot be influenced, and the repair expense is further reduced.

A scalable, modular water filtration and re-capture system is disclosed, such as for use as a high performance bioswale, or other purposes. The system includes a filter container with a removable cartridge that contains a filter media soil and planted vegetation, which may be for example one or more hyperaccumulators. The filter container is stacked together with a cistern container and in fluid communication therebetween to form a stacked container pair as a water filter and capture module. This allows for efficient servicing and removability of the filter cartridge, such as in bioswale, below ground, or above ground configurations. Water inflows and outflows may be circulated for varieties of reclamation uses, or treated water may simply be stored or conveyed into the ground. Multiple such modules may be secured together in custom scalable configurations to meet various needs and intended uses for water volumes, available space or terrain, or specific water treatment needs. In some embodiments, a single individual can replace the cartridges as needed.

After the crops, Chinese medicinal herbs, shrub and arbor are sowed or cuttage grafted on the deteroirated grassland desert and desertified land the liquid mulch film raw juice is mixed with 4-12 times clear water, and uniformly sprayed on the above-mentioned desertified land, said liquid mulch film possesses strong coherent action, and can make soil form agglomeration body so as to can prevent wind erosion and water erosion, and can increase soil temp. by 1-4 deg.C, and its evaporation inhibiting rate is above 30%, and its water content can be raised by above 20%, so that it can culture well-growing vegetation so as to attain the goal of controlling sand and fixing film.

The invention relates to plant repairing technology of cadmium polluted soil, in particular to a method for repairing cadmium polluted soil by utilizing enrichment plant bidens tripartita. Bidens tripartita is planted on soil containing pollutant cadmium, the root system of bidens tripartita absorbs cadmium in polluted soil and transfers the cadmium to the overground part organ, the overground part organ is taken away from the polluted soil when the overground part organ of the plant grows to biomass liveweight maximum, thus realizing the aim of removing pollutant cadmium in soil. The invention utilizes enrichment plant bidens tripartita to treat cadmium polluted soil and has the advantages of low cost, strong operability, no destroy on soil physicochemical properties, no arising of secondary pollution and good effect on preventing wind erosion and water erosion of polluted soil.

The invention provides a construction method of wood texture ships. The construction method comprises the following steps: steel plates are adopted to construct ship bodies, decks and cabins; wood materials are coated on the exposed surface of a steel plate [6]; the wood materials are out-packing wood [1, 3, 8] which are preformed and have the same surface shape with the wood materials used by the pure wood ships. The construction method adopts wood for coating at all the exposed parts of the steel ship, and leads the obtained ship to have the appearance of the wood texture and leakage-proof performance of the steel ship. Compared with the prior art, the invention embodies the texture of the wooden ship truly and leads the simulated ancient ship to have the appearance of the wood materials of the ancient ship and also not to have the defects that the wooden ship is easy to leak water.

The invention discloses an overlapped plastic bag winding device based on anti-adhesion roller rolling hot-pressing dehumidification. The overlapped plastic bag winding device structurally comprises acontrol panel, a hand pulling frame, a winding roller, a transmission case, a saddle, a conveying belt wheel set and a dehumidification roller; the dehumidification roller is arranged at the top endof the interior of the transmission case in a nested mode; the conveying belt wheel set is installed in the saddle; the left end of the saddle is welded to the right side of the transmission case; thetransmission case is mechanically connected with the conveying belt wheel set; and the hand pulling frame is arranged at the top end of the winding roller. According to the overlapped plastic bag winding device, the transmission case cooperates with the dehumidification roller, plastic bags are lifted to the roller to be wound through an arc-shaped base plate, triangular groove frames are heatedthrough an electrical bar frame to be attached to the plastic bags for drying action, meanwhile, the roller rotates to drive corrugated flexible plates of turbine lifting rings to rotate so that cyclone vortexes can be formed for dehumidification, in addition, spark stones are driven to collide with and rub against grinding wheel groove rings so that heat can be multiplied for drying, through rolling hot-pressing, the situation that the plastic bags are subjected to water erosion is avoided, and the effect of preventing overlapped plastic bag openings from adhesion is achieved.

The invention discloses a steep slope reinforcement and protection device and a paving method of the steep slope reinforcement and protection device. The steep slope reinforcement and protection device comprises reynolds mats orderly paved on a steep slope; adjacent two reynolds mats are fixed to each other, and reynolds mats are fixed on the steep slope through anchor rods; gravels are filled in the reynolds mats, and vegetations are planted on the gravels. Compared with the prior art, the steep slope reinforcement and protection device has the beneficial effects: for the reynolds mats are woven by a machine, every unit lattice is connected tightly, and construction is simple; thus the steep slope reinforcement and protection device can effectively prevent stone collapse and enhance the structural anti-scouring ability; the anchor rods are nailed on the reynolds mats, on the one hand, the anti-scouring and anti-gliding abilities of the reynolds mats can be enhanced, so that the reynolds mats can be applicable to the steep slope reinforcement and protection; on the other hand, the integrity of the steep slope reinforcement and protection can be improved; gravels and vegetations are paved on the reynolds mats in order to absorb water and fix soil, prevent the slope from water erosion, green and improve environments, and the like; the steep slope reinforcement and protection device is simple in construction, short in work time limit, low in cost and maintaining cost, and so on.

An over-current assembly test device provided by the invention comprises a test platform configured to arrange an over-current assembly to be tested, wherein a water circulation pipeline for test is arranged at the outer side of the over-current assembly to be tested; a water circulation system connected with the water circulation pipeline and configured to provide cycle power for the cooling in the water circulation pipeline; a water source system configured to provide cooling water for the water circulation pipeline; and a deionization system connected with the water source system and the water circulation system to send the cooling water after deionization into the water circulation system. The problems are solved that the cooling water for water cooling test is not subjected to deionization operation, the conductivity in the cooling water is high to easily disturb the test result so as to cause inaccurate test result.

The invention relates to a power generation device and method using medium-temperature and medium-pressure steam and low-pressure saturated steam in the metallurgical industry. The power generation device structurally comprises a steam turbine, an electric generator, a low-pressure saturated steam inlet device, a dead steam condensing device, a deaerator and a combustion boiler, wherein the electric generator is connected with an output part of the steam turbine, the low-pressure saturated steam inlet device is connected with an auxiliary steam connector of the steam turbine, a condensed water inlet of the deaerator is connected with the condensing device, a heating steam connector is connected with the low-pressure saturated steam inlet device, the heating steam connector of the deaerator is also connected with external steam, and a steam outlet of the combustion boiler is connected with a main steam connector of the steam turbine. The power generation method comprises the steps that gas is collected to heat the combustion boiler, the medium-temperature and medium-pressure steam is generated, and then the steam turbine is pushed to rotate to drive the electric generator to generate electricity. According to the power generation device and method using the medium-temperature and medium-pressure steam and the low-pressure saturated steam in the metallurgical industry, the combustion boiler is used for recovering redundant gas in the metallurgical industry, and air pollution caused by diffusion of the gas is avoided; redundant low-pressure saturated steam can be recovered, and waste of energy is avoided; cyclic and economical utilization is achieved.

The invention discloses a reflection type sheet laser amplifier of a ridge structure. The reflection type sheet laser amplifier of the ridge structure comprises a window, ridge structure sheet gain media, diode laser arrays, cushion blocks, a cooling and radiating device and a reflector, wherein m pairs of ridge structure sheet gain media are arranged on the inner walls of two cooling and radiating slabs of the cooling and radiating device in a vertically staggered mode, the two cooling and radiating slabs of the cooling and radiating device are vertically parallel to each other, m is a positive integer, the window is arranged at one ends of the cooling and radiating slabs, the reflector is arranged at the other ends of the cooling and radiating slabs, the plane where the window is located is parallel to the plane where the reflector is located, each ridge structure sheet gain medium is pumped by a corresponding diode laser array. According to the reflection type sheet laser amplifier of the ridge structure, two-pass four-time amplification of injected pulses can be achieved by the ridge structure sheet gain media without coating, low incidence loss of the surfaces of the gain media is guaranteed, and a series of problems caused by coating of the surfaces of the gain media are avoided. The reflection type sheet laser amplifier of the ridge structure has the advantages that quality of output light beams is good, and efficiency is high.

The invention provides a high slope blasting excavation dust falling method. The high slope blasting excavation dust falling method comprises the steps: 1, a left bank anchoring platform and a right bank anchoring platform are sequentially arranged on a dam of a to-be-subjected-dust-falling dam site area; 2, a bearing cable is installed on the cross-domain to-be-subjected-dust-falling dam site area above the left bank anchoring platform and the right bank anchoring platform; 3, a rotary nozzle is arranged on the bearing cable, and the horizontal movement of the rotary nozzle is horizontally adjusted through a left bank traction cable and a right bank traction cable; and 4, dust falling is conducted on the blasting excavation area of the high slope through rotary spraying of a rotary sprayhead in a rain mist type precipitation mode. According to the technical scheme, the air quality of a construction area is improved, the construction environment is improved, the occupational health ofconstructors is guaranteed, and the construction efficiency is improved.

Disclosed is a connection structure of an automobile skylight and a water draining pipe. The connection structure comprises a tubular-structure skylight water draining outlet and a skylight water draining pipe. The skylight water draining outlet is connected with a conduit. One end of the conduit is connected with the skylight water draining outlet. The other end of the conduit is arranged on an automobile chassis. The inner wall of the skylight water draining outlet and the inner wall of the skylight water draining pipe are both coated with waterproof paint which comprises a hydrophobing agent, inorganic pigment, a dispersing agent, a film-forming agent, a thickening agent, auxiliaries and pure acrylic emulsion. The hydrophobing agent is a hydrophobing composite. The hydrophobing composite comprises, by weight, 5-10 parts of inorganic oxide particles, 10-15 parts of organosilane, 1-3 parts of methylcellulose and 20-30 parts of ethanol. The inorganic oxide particles are composed of micron-grade particles and nanometer-grade particles. The mass ratio of the micron-grade particles to the nanometer-grade particles is 8:1. The average particle size of the micron-grade particles is 1 [mu]m-20 [mu]m. The average particle size of the nanometer-grade particles is 50 nm-200 nm. Through arrangement of the waterproof paint, the problem of water erosion can be prevented effectively.

The invention discloses a gap anti-cold-bridge structure of a steel frame roof panel and a construction method thereof. According to the gap anti-cold-bridge structure of the steel frame roof panel, a big-end-up cold bridge gap is formed between oppositely arranged end ribs of two steel frame roof panels, the cold bridge gap is provided with a necking part, the necking part is filled with a heat preservation rod, a main rib at the top of each steel frame roof panel is provided with a concave part, and the concave part is provided with a heat preservation plate which is used for sealing the cold bridge gap, the concave part is evenly filled with a heat preservation mortar layer covering the heat preservation plate, and the heat preservation mortar layer and the steel frame roof panel are covered with waterproof coiled materials. A prior gap welded arch against heat preservation rod structure is replaced, gap filling technological process is reduced, construction efficiency is improved. In addition, due to structural design that the cold bridge gap is large in upper part and small in lower part, the roof panel is prevented from expanding with heat and contracting with cold, and meanwhile, indoor and outdoor heat exchange can be effectively weakened. According to the gap anti-cold-bridge structure and the construction method thereof, the cold bridge phenomenon is effectively avoided, and the construction efficiency and quality are improved.

The invention discloses a dehumidifying device in a steam cylinder. The dehumidifying device is used for reducing the humidity of high-pressure steam in a steam turbine. A hot steam source comprises a hot steam source body, a heat exchanger and a water collecting device, and the heat exchanger and the water collecting device are arranged between two adjacent stages in the steam cylinder of the steam turbine; the heat exchanger comprises a heat exchange pipeline communicated with the hot steam source body, and the heat exchange pipeline is provided with a drain port and a steam exhaust port; and a liquid inlet of the water collecting device is communicated with the drain port, and the water collecting device is provided with a water outlet. The dehumidifying device in the steam cylinder can effectively reduce the humidity of the high-pressure steam, so that the high-pressure steam is prevented from causing water corrosion for blades, particularly last-stage blades, of the steam turbine. The invention further discloses the steam turbine with the dehumidifying device in the steam cylinder.

The present invention is provided with a drain valve device based on capacitive sensing, comprising a drain valve disposed in the water tank of the toilet to control the water tank to drain water, wherein further comprising a capacitive sensing control module used to open the drain valve and an assembly fixture used to connect the capacitive sensing control module to the drain valve to make the capacitive control module and the drain valve form an integration. The assembly fixture connects the capacitive sensing control module and the drain vale to form an integration, when assembling, it only needs to assemble the drain valve that it can, at the same time, fix the capacitive sensing control module to the toilet water tank, the assembly is simple and convenient. It doesn't need to dispose assembly hole in the water tank cover, the structure is simpler.

The invention belongs to the technical field of ecological ditch and constructed wetland treatment, and discloses a water-permeable paving material and a using method thereof. The use method of the ecological concrete in the expressway cultivation shoulder comprises the following steps: paving pervious concrete on the expressway cultivation shoulder, planting hilling vegetation to jointly form vegetation concrete, and sequentially paving the PE impermeable cloth, the unscreened gravel drainage layer and the pervious geotextile below the expressway cultivation shoulder; the application method of the ecological concrete in the expressway gutter is as follows: the section form of the ecological side gutter is trapezoidal or triangular, the bottom of the gutter is made of pervious concrete, and grass seeds are sown; the use method of the ecological concrete in the constructed wetland comprises the step of paving the bottom of the constructed wetland with the pervious concrete. According tothe invention, due to the vegetation concrete ecological filtration is achieved and a drainage function is realized; therefore, the road surface runoff sewage treatment device has the effects of preventing water flow scouring and biofiltration, can intercept and filter road surface runoff sewage, and can afforest and beautify the road environment at the same time.