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61results about How to "Not affected by climate" patented technology

Thermal power plant coal inventory measuring and calculating method based on four-axis aircraft

The invention relates to a thermal power plant coal inventory measuring and calculating method based on a four-axis aircraft. The method includes the following steps that (1) laser distance measurement is conducted over a coal pile, the straight-line distance h between an acquisition point over the coal pile and a surface point of the coal pile is measured, the straight-line distance between the acquisition point and the horizontal plane of a place where the coal pile is located is H, the straight-line distance z between the surface point of the coal pile and the horizontal plane of the place where the coal pile is located is equal to H-h, and meanwhile, horizontal coordinates x and y of the acquisition point are acquired through a GPS positioning module; (2) the step (1) is repeated, so that the straight-line distances between multiple acquisition points over the coal pile and multiple surface points of the coal pile and horizontal coordinates are acquired, the straight-line distances between the surface points of the coal pile and the horizontal plane of the place where the coal pile is located are acquired through the straight-line distances between the acquisition points over the coal pile and the surface points of the coal pile, and therefore a coal pile vertical view outline is drawn; (3) the approximate size of the coal pile is calculated through the straight-line distances between the surface points of the coal pile and the horizontal plane of the place where the coal pile is located and the horizontal coordinates of the acquisition points. The method is suitable for measurement conducted in various environments and large-area region measurement can be achieved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Ventilating, noise-reducing and cooling method and device for unpowered electric transmission and transformation device

The invention relates to a ventilating, noise-reducing and cooling method and device for an unpowered electric transmission and transformation device and belongs to the field of electric power protection. According to the ventilating, noise-reducing and cooling method for the unpowered electric transmission and transformation device, air inside a cable tunnel is led into a substation chamber through an air inflow pipe, the used device comprises a cable conduit and the substation chamber, a rotating air exhaust fan is installed at the position of an overhaul well of the cable tunnel, joints of the cable tunnel and the substation chamber are communicated through the air inflow pipe, and an exhaust fan is arranged at the position inside the substation chamber corresponding to the position of an outlet of the air inflow pipe. According to the ventilating, noise-reducing and cooling method and device, the problem that room temperature of a transformer room is too high when a substation in a city is faced with a summer peak load period can be solved, disputes of disturbance to residents caused by noises generated by fans are also avoided, smooth stable running of indoor devices is guaranteed, energy is saved, consumption is reduced, and reliability of power supply of a power grid is improved.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1

Alum-free deep-fried dough sticks and manufacture method thereof

Alum-free deep-fried dough sticks comprise the following raw materials: by weight, 500 parts of flour, 10-15 parts of edible baking soda, 50-75 parts of brewing-type white vinegar, 5-6 parts of salt, 50-200 parts of eggs, 275-300 parts of water and 125-150 parts of edible oil. A manufacture method of the alum-free deep-dried dough sticks comprises the steps: stirring the brewing-type white vinegar and the edible baking soda evenly; pouring the eggs and the salt into the water, scattering and melting, pouring the solution of the baking soda and the white vinegar into the water solution of the eggs and the salt, stirring evenly, pouring the solution into the flour, kneading to form dough, fermenting the dough, folding the kneading dough, brushing the edible oil on the dough, and fermenting the dough; flattening the dough, cutting the dough into strip-shaped dough blocks, lengthening two strips of the dough blocks which are buckled, putting the buckled strips of the dough blocks into an oil pan, frying until the buckled strips of the dough blocks are in a golden yellow color, and obtaining the alum-free deep-dried dough sticks. The alum-free deep-fried dough sticks and the manufacturing method have the advantages that alum is not added in the manufacture process, and the alum-free deep-dried dough sticks are nutrient and healthy, golden yellow in color, soft and delicious. Meanwhile, ingredients are simple and practical, the alum-free deep-fried dough sticks are not affected by climate, and quality is stable.
Owner:温中会

Method for prefabricating and constructing separated rail structure

The invention discloses a method for prefabricating and constructing a separated rail structure. The separated rail structure comprises a separated rail bearing groove and a factory-prefabricated rail system. The method for prefabricating the separated rail structure includes the following steps of preparing materials, controlling temperatures, arranging the rail bearing groove, cleaning a groove area, mounting a tie plate under a rail, placing the steel rail, checking and sealing the end, treating before pouring and pouring polymer materials. The method for constructing the separated rail structure includes the following steps of hoisting a rail bearing groove rail system, conducting foundation treatment, placing the prefabricated rail bearing groove and adjusting the geometry, connecting and fixing, pouring concrete, maintaining and removing tools. According to the method for prefabricating and constructing the separated rail structure, the construction technologies of factory prefabrication, field assembly and the like are used, the fastening-down rail temperature of the rail system is effectively controlled in a factory, the influence of the site construction environment and climate is avoided, the construction cost of the rail is lowered, the efficiency is improved, and maintaining and replacing are more convenient.
Owner:CHENGDU XINZHU ROAD & BRIDGE MASCH CO LTD

CT (current transducer) energy acquisition-based ultrasonic bird repelling device for series compensation platform

ActiveCN102499227AGuarantee the effect of repelling birds in a large areaSimple structureAnimal repellantsCurrent transducerLow-pass filter
The invention provides a CT (current transducer) energy acquisition-based ultrasonic bird repelling device for a series compensation platform, and can effectively prevent and control the problem of bird trouble of a series capacitor compensation device. In the ultrasonic bird repelling device, a circuit energy acquisition CT is adopted to supply power, large current passing through a circuit is converted into a required current, the current passes through an isolated CT realize electrical isolation, the high frequency part of power frequency current is filtered by virtue of a low-pass filter, direct current voltage is rectified and output by virtue of a rectifier, a high-frequency signal generator generates a high-frequency voltage signal between 16 and 25kHz immediately, and the high-frequency voltage signal is loaded to a piezoelectric ceramic plate of an ultrasonic speaker and is amplified to generate a high-volume ultrasonic wave which is between 16 and 25kHz and has a sound pressure level not lower than 90dB by virtue of the speaker. According to the bird repelling device, the energy acquisition CT is used as a power supply to guarantee stable high-power output, so that all-weather 24-hour uninterrupted large-area bird repelling is guaranteed; and a mode that two ultrasonic speakers are connected in parallel is adopted, and ultrasonic wave with variable frequencies is alternately and continuously generated, so that birds cannot adapt to the ultrasonic wave, and the durability of bird repelling effect is guaranteed.
Owner:CHINA EPRI SCIENCE & TECHNOLOGY CO LTD +2

Seawater desalination and chemical resource comprehensive extraction device and extraction method thereof

InactiveCN101565250ASmall footprintRealize comprehensive utilization of seawater chemical resourcesCalcium/strontium/barium carbonatesGeneral water supply conservationBromineSeawater
The invention provides a seawater desalination and chemical resource comprehensive extraction device and an extraction method thereof. The seawater desalination and chemical resource comprehensive extraction device comprises a raw water sand filtering tank, a primary membrane evaporation and concentration device used for concentrating raw water, a primary pipe mixer used for mixing concentrated water treated by the primary membrane evaporation and concentration device with alkali water, a primary membrane chemical reactor used for extracting chemical components in the concentrated water, a secondary pipe mixer used for mixing filter cogging liquid with alkali liquor, a secondary membrane chemical reactor used for separating calcium carbonate in water, a secondary membrane evaporation and concentration device used for secondary membrane evaporation, and a third pipe mixer used for mixing the concentrated water with chloric acid. The invention is used for extracting chemical products of potassium, bromine and magnesium in an optimizing process while performing the seawater desalination, realizes the industrial salt manufacturing, reduces the chemical medicine consumption, realizes the comprehensive utilization of seawater chemical resources, and achieves the purpose of reducing the emission.
Owner:TIANJIN POLYTECHNIC UNIV

Waterproof structure for ecological artificial lake

The invention discloses a waterproof structure for an ecological artificial lake, relates to a waterproof technology for underground construction, and specifically relates to a waterproof technology for the bottom of an ecological artificial lake. The waterproof structure for the ecological artificial lake comprises a rammed-earth layer, a silty clay-rolled cushion layer, a silty clay-rolled protection layer and a medium sand water purification layer. The waterproof structure for the ecological artificial lake is characterized in that the constructed layers of the waterproof structure are located at the bottom of the waterproof structure, and sequentially are the rammed-earth layer, the silty clay-rolled cushion layer, a bentonite waterproof layer, a non-woven fabric, the silty clay-rolled protection layer, a silty clay-rolled counter-weight and the medium sand water purification layer from bottom up; the edge of the waterproof structure is more than 200mm higher than the horizontal plane; and a concrete protection belt is laid on the upper part of the edge of the waterproof structure, and the concrete protection belt is located on the upper part of the edge of the bentonite waterproof layer for preventing the bentonite waterproof layer from leakage. The waterproof structure for the ecological artificial lake, which is disclosed by the invention, has the characteristics of being novel in structure, simple and convenient to construct, capable of reducing construction cost, high in waterproofness, capable of achieving a service life of over thousand years, and the like; therefore, a novel waterproof structure for an ecological artificial lake, which integrates economical efficiency with practicability, is achieved.
Owner:何发林

Filter screen, filter device and manufacturing method for filter device

The invention discloses a filter screen. The filter screen comprises a plurality of laminated corrugated mesh sheets, each corrugated mesh sheet is formed by pressing a metal wire mesh sheet with meshes and comprises a plurality of curve-shaped grooves and further comprises a plurality of wave crest parts and a plurality of wave trough parts, the wave crest parts and the wave trough parts betweenevery two adjacent corrugated mesh sheets are oppositely arranged, and every two adjacent corrugated mesh sheets are fixedly connected in a welded mode, so that a plurality of curve-shaped filter channels are defined between every two adjacent corrugated mesh sheets. The invention further discloses a filter device comprising the filter screen and a manufacturing method for the filter device. The filter screen has the advantages of being small in ventilation resistance, good in oil removal effect, high in connection strength and convenient to clean; the whole filter screen is connected into a firm whole through a welding process, and therefore the strength is greatly improved, and the filter screen is easy to install and transport; and in addition, continuous production can be realized, theproduction efficiency is high, and the influence caused by the climate can be avoided.
Owner:ZHONGSHAN TRUSTY FILTERS ENVIRONMENTAL PROTECTION TECH CO LTD

Distributed optical fiber inclination detection device and inclination detection method

ActiveCN106092050AMonitor direction angleMonitor tilt angleIncline measurementOptical fiber couplerBrillouin scattering
The invention discloses a distributed optical fiber inclination detection device and an inclination detection method. The distributed optical fiber inclination detection device comprises an optical fiber distributed sensing unit, an optical fiber coupler, a PPP-BOTDA and an analysis display system, wherein the optical fiber distributed sensing unit is connected with the PPP-BOTDA through the optical fiber coupler; the PPP-BOTDA is connected with the analysis display system; the optical fiber distributed sensing unit comprises a sensor bar of which the interior is cross-shaped and hollow, and two U-shaped optical fibers; the U-shaped optical fibers are fixedly embedded or bonded in the sensor bar in a cross-shaped manner; the transverse parts of the U-shaped optical fibers are perpendicular to each other; two ends of each U-shaped optical fiber are connected with the PPP-BOTDA through the optical fiber coupler. The inclination detection method comprises the step of injecting short pulse light and continuous probe light into two ends of each U-shaped optical fiber to measure frequency change of stimulated Brillouin scattering light in the optical fiber and obtain the strain information of each vertical point of the U-shaped optical fiber. The distributed optical fiber inclination detection device and the inclination detection method have the advantages that the operation is simple and convenient, the adaptability to the environment is strong, the maintenance is easy, the cost of the sensing unit is low, and measurement and positioning of inclination are accurate.
Owner:HOHAI UNIV

Intelligent vacuum logistics pipeline conveying system

The invention discloses an intelligent vacuum logistics pipeline conveying system which comprises an A place goods yard, a B place goods yard and vacuum pipelines connected between the A place goods yard and the B place goods yard. The A place goods yard and the B place goods yard are provided with an A place goods yard comprehensive dispatching center and a B place goods yard comprehensive dispatching center respectively and an A place goods yard power station and a B place goods yard power station respectively. The number of the vacuum pipelines is at least three, the two ends of each vacuum pipeline are connected with pipeline transition bins, and freight vehicle sets are arranged between the pipeline transition bins and the goods yards. The pipeline transition bins are connected with vacuum power pump stations, and freight section power stations, vacuum pump stations, freight vehicle set maintaining stations and inspection wells are arranged on the vacuum pipelines. The freight vehicle set maintaining stations are provided with automatic rescuing power vehicles, and automatic vacuum sealing devices and channels are arranged between the adjacent vacuum pipelines. The intelligent vacuum logistics pipeline conveying system is high in automation degree, power is used for driving, pollution is avoided, noise is low, occupied land is small, the vacuum transportation efficiency is high, and overhauling and maintaining are convenient.
Owner:QINGDAO DACANG CORROSION PREVENTION CO LTD

Method and system for distinguishing moving object in mixed scene

The invention provides a method for distinguishing a moving object in a mixed scene. The motion information of pedestrians and vehicles on a road is detected by using a Doppler microwave radar sensor,meanwhile, the magnetic field information of a road area is detected by using a geomagnetic sensor in combination with surrounding magnetic field change caused by vehicle movement, and therefore thepedestrians and the vehicles are effectively distinguished. A vehicle runs on a road, a magnetic field of a current area of the road is obviously changed, the geomagnetic sensor continuously monitorsthe change condition of the road magnetic field, a control module can timely and accurately judge whether the vehicle pass through the current area of the road or not by processing geomagnetic information collected by the geomagnetic sensor and carrying out algorithm analysis, and whether the pedestrians and the vehicles pass through the current area or not can be effectively judged in combinationwith a detection result of a microwave radar. According to the method, the problems of high misjudgment rate and the like when the Doppler microwave radar sensor is singly used to detect the pedestrians on the road are effectively solved, so that the accuracy of road pedestrian detection is improved, and the system is simpler and more efficient.
Owner:XIDIAN UNIV

Assembled type track

The invention relates to an assembled type track which is formed by mutually connecting a plurality of supporting plates and a plurality of face plates. Each supporting plate is formed by connecting aplurality of reinforcing ribs in a horizontal-vertical cross mode, a plurality of expansion bolt holes and a plurality of clamping grooves are formed in the surface of the each supporting plate, theface plates are clamped into the clamping grooves of the corresponding supporting plates through clamping columns arranged at the bottoms of the face plates, expansion bolts penetrate through the expansion bolt holes to fix the supporting plates on the ground, a plurality of clamping groove blocks are arranged on the lateral side of each supporting plate, a plurality of clamping connection blocksare arranged at an end face of each cushion body, a clamping block is respectively arranged at the two ends of each clamping connection block, a clamping column is arranged in the middle of each clamping connection block, and the clamping groove blocks are arranged in the corresponding clamping grooves. The assembled type track disclosed by the invention is of a preformed assembled type structure,the supporting plates are formed by mutually performing clamping connection on the plurality of the cushion bodies through the corresponding clamping groove blocks and the corresponding clamping connection blocks, the supporting plates are fixed to the ground by the expansion bolts, the track face plates are in clamping connection to the supporting plates, the expansion bolt holes protrude downwards, water remain is avoided after rainfall, and water can flow away from spaces at the bottoms of the supporting plates. The assembled type track has quickness and convenience in installation, cannotbe affected by weather and further avoids using glue to achieve environmental friendliness and health.
Owner:河北振华体育设施制造有限公司

Method and system for ecologically controlling cyanobacterial bloom in pond culture water

ActiveCN113197151ADeclining population growthDeclining interspecies competitive advantageClimate change adaptationWater contaminantsPhosphateCyanobacteria
The invention provides a method and system for ecologically controlling cyanobacterial bloom in pond culture water. The method comprises the following step: the system is arranged in the pond culture water, an anode in an electrode combination of the system is iron, and a cathode is iron or copper; the electrode combination and an underwater propeller are respectively connected with a power supply, and the electrode combination snorkels in the culture water through a buoyancy device; the electrode combination is located in the net cage, the underwater propeller is located in the net cage, a underwater fixing piece is fixed to the bottom of a pond, and the net cage is connected with the underwater fixing piece through a rope; and after electrification, the anode of the electrode combination continuously generates iron ions, and the iron ions and phosphate in aquaculture water are subjected to precipitation reaction, flocculation and precipitation for continuous and stable phosphorus reduction, so that the population growth and interspecific competitive advantage of cyanobacteria are reduced, and the cyanobacterial bloom is ecologically controlled. The system has the advantages of being capable of reducing the mass concentration of phosphorus in aquaculture water and the relative density of cyanobacteria, small in size, low in energy consumption cost, free of secondary pollution, easy and convenient to manage and the like.
Owner:JIMEI UNIV
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