47results about How to "Improve self-sustainability" patented technology

The invention relates to a micro-grid system, and in particular relates to a micro-grid system for ships. The micro-grid system for the ships comprises a solar photovoltaic power generation system, a wind power generation system, a storage battery energy storage system, an emergency diesel generator, a load, a direct current bus and an alternative current bus, wherein the direct current bus and the alternative current bus are connected together through a bidirectional converter; the direct current bus is connected with the solar photovoltaic power generation system and the storage battery energy storage system; the alternative current bus is respectively connected with the wind power generation system, the emergency diesel generator and the load; and the system is connected with a medium voltage main power grid in the ship through an interconnection switch and a transformer at side where the alternative current bus is positioned. The defect that the new energy distributed type power generation cannot be directly used in a ship power system is overcome, a new offshore energy resource is sufficiently utilized, and the energy conservation and the emission reduction in the field of ocean transportation are realized.

The invention provides a method for restoring a slash type degraded wetland. The degraded wetland is restored by adopting one or more of a hydrological connection method, a microrelief transformation method, a matrix recovery method, a vegetation recovery method and a riparian zone slope protection method. According to the specific circumstance of the degraded wetland, the method can comprehensively utilize the whole technical system, and also can separately utilize certain technology. The method improves the landform, a water system, a wetland matrix and the riparian zone environment of the degraded wetland through ecological engineering measures so as to reasonably arrange wetland vegetation from land to open water, construct an optimal wetland vegetation community structure, and effectively improve the stability and the self-maintenance of the degraded wetland.

The invention relates to a clinching tool (20) for establishing a load-bearing, or supporting, or stable connection of a first metal workpiece (11) to a second metal workpiece (12). The clinching tool (20) comprises a male die (20) and a female die (30), which together form and join a clinching connection (13) connecting, or permanently connecting, the first metal workpiece (11) to the second metal workpiece (12), via local, plastic deformation or reshaping. The male die (20) has a die having a flank (25) disposed concentrically to the rotational axis (24). The flank (25) has a face surface (23) that is positioned perpendicular to the rotational axis (24). The flank (25) is conically shaped at least in the lower transitional region (21) to the face surface (23) and has a flank angle (W, W1, W2) that is smaller than, or equal to, 10 degrees, preferably smaller than, or equal to, 5 degrees.

The present invention provides a long-duration airborne moored airship scheme. The airship carries a solar cell array and an energy storage battery, and through effective energy management, it can provide a steady stream of energy for the carried load and improve the self-sustaining force of the moored airship. , to provide the necessary technical guarantee for the long-term airborne work of the tethered airship, and its airtime can be as long as several months. By integrating the various systems of the tethered airship into a shelter that meets the requirements of road and air transportation, the rapid transfer and deployment of the tethered airship can be realized.

The invention discloses a bacteria filter for urban rainwater collecting. A filtering medium layer is mounted in a bacteria filter body; a transition medium layer supporting the filtering medium layer is arranged under the filtering medium layer; a compost covering layer covers the upper surface of the filtering medium layer; plants are grown on the compost covering layer; a water drain pipe for draining treated rainwater is arranged at the lower part of the bacteria filter body; an overflow pipe enabling untreated rainwater to overflow is arranged at the upper part of the bacteria filter body; and a rainwater retention zone is arranged above the transition medium layer in the bacteria filter body. The bacteria filter is reasonable in structure, can treat and collect rainwater, provides a large amount of high-purity water sources to be selectively used in cities, and meanwhile, solves the urban environment problem caused by storms. Viewed from the ecology, the bacteria filter for urban rainwater collecting can serve as or replace existing urban greening well, and has the characteristics of environment friendliness and strong compatibility.

The invention relates to a silicone rubber composite material capable of undergoing ceramization and a preparation method thereof. The material comprises the following components in parts by weight: 25-35 parts of silicone rubber, 15-20 parts of aluminium hydroxide, 20-25 parts of ammonium polyphosphate, 25-30 parts of clay minerals with layered structures and 0.3-0.6 part of vulcanizing agent. The preparation method of the material comprises the following steps: mixing the materials in an open mill or an internal mixer uniformly, carrying out primary vulcanization moulding in a compression moulding press and carrying out secondary vulcanization in a forced air drying oven. The silicone rubber composite material capable of undergoing ceramization has the main characteristics that the product formed in a wide temperature range of 200-1000 DEG C has self-supporting property and can be used in the field of flame retardance and fireproofing. The silicone rubber composite material capable of undergoing ceramization is simple to prepare and easy to machine-moulded, can adopt existing rubber product machining and preparation equipment, is convenient to produce industrially and has an extensive application prospect.

The invention relates to a modularized semi-submersible type sea fish breeding platform. The platform comprises a main platform body structure, net wheels, nets, rotary mechanisms and driving mechanisms, the main platform body structure is internally provided with several parallel rotary mechanisms, and the rotary mechanisms comprise the driving mechanisms, the net wheels and rotary shafts; one net is fixed between every two net wheels, the nets are hung at the two side ends of the adjacent net wheels, and the net wheels of modularized rotary units are supported in the center of the main platform body structure through the rotary shafts; the net wheels are connected with the driving mechanisms to form the independent modularized rotary units, connecting pairs between the driving mechanismsand the net wheels adopt a gear-rack mode or an extruding friction mode, and the nets are driven by the net wheels to rotate. The platform has the advantages that net boxes and the nets automaticallyrotate for net drying to effectively avoid that attachments on the nets grow, and it is ensured that sea water inside and outside the net boxes normally flow circularly. The steps of net replacementand net cleaning can be omitted, and the workload and work intensity of fishermen can be effectively reduced.

In a shielding structure of a shielding electric wire in which the shielding electric wire and a ground wire are interposed between two resin members, and a compressive force is caused to act on the resin members and an ultrasonic wave is simultaneously applied to fuse the resin portions, thereby forming a shielded portion, a protruded portion 20 is provided on one of junction faces of the two resin members and a hole 21 including a protrusion inserting portion 21a for inserting the protruded portion 20 and a resin inflow portion 21b provided in an inner position from the protrusion inserting portion 21a and having a smaller width than a width of the protrusion inserting portion 21a is provided on the other junction face, and step faces at both sides on a boundary between the protrusion inserting portion 21a and the resin inflow portion 21b in the hole 21 are formed to be a pair of inclined faces 21c and 21c.

The invention proposes a device and method used for monitoring a system operation state. The device includes a system management and monitoring module, at least one first state acquisition module, a self-sustaining monitoring module and a second state acquisition module, wherein the self-sustaining monitoring module checks the operation state of the system management and monitoring module regularly and replaces the system management and monitoring module and becomes a new system management and monitoring module if abnormity happens to the system management and monitoring module and regenerates a new self-sustaining monitoring module in a method of establishing a new process. The device and method used for monitoring the system operation state are high in self sustaining and easy to expand and manage.

The invention discloses a stretchy suspension pendulum device capable of capturing wave energy. The device is composed of a suspension support, a hydraulic cylinder, a pendulum piece, a pendulum piece sealing part and a support sealing part. The lower end of the suspension support is in a pendulum-piece shape and is hollow, the pendulum piece is arranged inside the suspension support, the pendulum piece is hollow, the hydraulic cylinder is installed in the pendulum piece, a cylinder barrel of the hydraulic cylinder is welded with the suspension support, a cylinder rod of the hydraulic cylinder is hinged to the inner wall of the pendulum piece, and the pendulum piece sealing part and the support sealing part are arranged between the pendulum piece and the suspension support. The hydraulic cylinder can drive the pendulum piece to conduct axial stretchy motion inside the lower end of the suspension support, therefore, the length of the portion, submerged in the water, of a suspension pendulum is adjusted, the matching between the suspension pendulum capturing efficiency and the wave energy is achieved, and self-existence capability of the suspension pendulum type wave energy utilization device under the extremely severe situation such as the windstorm and the typhoon can be improved.

The invention relates to the field of foliar fertilizers, in particular to a foliar fertilizer containing fish protein amino acid and a preparation method of the foliar fertilizer, and the foliar fertilizer is prepared from the following components: oligosaccharide extract, pomace enzymatic hydrolysate, aquatic product processing leftover fermentation liquor, an adsorption carrier, a viable bacteria culture solution, a dispersing agent and water. The foliar fertilizer disclosed by the invention is high in overall stability, strong in soaking effect and capable of promoting plant growth, increasing the substance accumulation speed of plants and enhancing the resistance of the plants.

The invention discloses a variable-pitch suspended blade device for capturing wave energy. The device comprises a suspended support, hydraulic motors, bolts, couplers, blade pieces and a drive hydraulic system. The hydraulic motors are arranged on the suspended support through the bolts and are connected with the blade pieces through the couplers. The drive hydraulic system comprises a hydraulic pump, an overflow valve, a one-way valve, a proportional valve, a filter and an oil tank. The hydraulic motors rotate under the action of the drive hydraulic system so as to adjust the rotating angle of the blade pieces through the couplers, and variable pitch of a suspended blade is achieved. The rotating angle of the blade pieces is reasonably adjusted, so that the matching relation between capturing efficiency of the suspended blade device and the wave energy is achieved, and the self-existent capacity of a suspended blade type wave-energy utilization device under extremely bad conditions like windstorms and typhoons can be improved.

The invention relates to a roadblock column, in particular to an intelligent electric liftable roadblock column. The intelligent electric liftable roadblock column comprises a solar cell panel, an outer stand column cover plate, a threaded rod, an inner stand column and an outer stand column body. The outer stand column cover plate is connected with the bottom of the solar cell panel. The outer stand column body is connected with the outer stand column cover plate. The outer stand column body is arranged on the inner stand column body in a sleeving mode. The threaded rod is also connected withthe outer stand column cover plate. The threaded rod is further in threaded connection with the inner stand column. The inner stand column is installed in a road surface. The intelligent electric liftable roadblock column further comprises a lower thrust bearing, an upper thrust bearing, an upper thrust bearing cover plate, a large gear, a small gear and a driving motor. The driving motor is arranged on the inner stand column and is in linkage with the small gear. The lower thrust bearing is arranged on the inner stand column, the upper thrust bearing is connected with the inner stand columnthrough the upper thrust bearing cover plate, the large gear is located between the lower thrust bearing and the upper thrust bearing, the large gear is meshed with the small gear through an outer gear ring on the edge, and the large gear is in threaded connection with the threaded rod through internal threads.

The invention discloses a temperature-controllable fuel boiler. The temperature-controllable fuel boiler comprises a boiler body and a PLC controller controlling a working state of the boiler body, wherein a hearth for storing a burner and a water storage box for storing water are arranged in the boiler body, and the top of the boiler body is provided with a smoke tube communicated with the hearth; the bottom side wall of the boiler body is provided with a hot water faucet communicated with a hot water outlet of the water storage box by virtue of a hot water outlet pipe; and a water supplementing box is also arranged by the side of the boiler body, a coil pipe for cooling the boiled water delivered by the boiler body is arranged in the water supplementing box, a water inlet of the coil pipe is communicated with a hot water outlet of the water storage box by virtue of a hot water pipeline, the water outlet of the coil pipe is communicated to a warm water faucet on the bottom side wall of the boiler body by virtue of a warm water pipe, and the warm water pipe is provided with a water pump and an electromagnetic valve connected with the output end of the PLC controller. The controllable temperature fuel boiler integrally controls the ignition, burning and monitoring, realizes the accurate temperature control, can improve the heating efficiency and self-sustaining capability, and can reduce the energy consumption.

The invention provides a rock mass tunnel pipe roof structure and a construction method thereof. The rock mass tunnel pipe roof structure comprises a rock mass, a plurality of radial small pipes, a plurality of advanced small pipes and a row of pipe roof pipes; a tunnel is excavated in the rock mass and is provided with arch shaped side walls; a steel arch frame is supported in the tunnel; the front end of each of the radial small pipes, the advanced small pipes and the pipe roof pipe is conical; a plurality of grout vent holes are formed in the side wall of each of the radial small pipes, theadvanced small pipes and the pipe roof pipe; the radial small pipes and the advanced small pipes are uniformly distributed on the side walls; the radial small pipes are inserted in the rock mass in the radial direction of the tunnel; the front ends of the advanced small pipes are obliquely inserted in the rock mass; the row of pipe roof pipes is inserted on the side wall at equal intervals; and the front ends of the pipe roof pipes are obliquely inserted in the rock mass, so that the technical problem that the tunnel pipe roof pipe structure is not stable is solved.