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44results about How to "Meet the needs of energy saving" patented technology
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Benefication method for copper nickel
The invention relates to a benefication method for copper nickel. The benefication method for the copper nickel is characterized by comprising the following steps of: (1) finely grinding and desliming on raw copper nickel; (2) performing copper ore flotation on the deslimed raw ore; (3) performing copper concentration on mixed copper rough concentrate obtained in the step (2); (4) performing copper scavenging on copper middling ore I in the step (3); (5) regrinding the mixed copper nickel concentrate of copper and part of nickel in the step (3) and then performing copper nickel separation; (6) performing copper concentration on the copper rough concentrate in the step (5) and performing copper scavenging on the nickel rough concentrate in the step (5); (7) performing copper scavenging II on the nickel concentrate in the step (6); and (8) performing nickel roughing on the reground copper tailings in the step (4). In the benefication method for the copper nickel of the invention, the adaptability of a flotation separation process is high; complex low-grade particle-embedded copper and nickel minerals can be recycled; flotation separation of the copper and nickel minerals can be realized; and the quality and the recovery rate of copper and nickel concentrate are obviously improved.
Owner:西部矿业集团科技发展有限公司
Wireless sensor network positioning system facing to three dimensional space
InactiveCN101241177AExtend your lifeEnsure h-hop connectivityPosition fixationWireless mesh networkThe Internet
The present invention discloses a system for locating wireless sensor network based on 3D space, which comprises of multiple TelosB sensor nodes, Sink nodes and user end. Wherein, each TelosB node, and each TelosB node to each Sink node are communicated by wireless type, Sink nodes and user end can communicate by Internet or USB interface. In the 3D self-localization of random target nodes Mb in wireless sensor network, location region P is screened by judging whether the random target point Mb is located in the tetrahedron formed of random four visual anchor nodes, and barycenter set of all location region P are calculated and the average coordinate value of all elements in barycenter set G is looked as coordinate location of target nodes Mb in wireless sensor network. The all orientation resolution of 3D self-localization of present invention is processed on single sensor node, so the method of present invention is a distributing orientation method.
Owner:BEIHANG UNIV
Plant straw novel lightweight wall body material and preparation method thereof
The invention discloses a plant straw novel lightweight wall body material. The plant straw novel lightweight wall body material is prepared by the following raw materials in parts by weight: 40-50 parts of fly ash, 20-30 parts of modified plant straw powder, 20-30 parts of sulphate aluminium cement, 10-20 parts of expanded perlite, 10-15 parts of silica powder, 10-15 parts of modified clay, 10-20 parts of glass fiber, 2-4 parts of foaming agent and 3-6 parts of water reducing agent. The plant straw novel lightweight wall body material disclosed by the invention is manufactured by utilizing an industrial waste material, namely the fly ash which is produced by abundant local coal mine resources and an agricultural waste, namely plant straw, so that the phenomena of disordered arrangement and disordered placement of the fly ash, excessive burning of the plant straw and the like can be effectively prevented, a natural environment can be protected, the production cost can be simultaneously greatly reduced, the cyclic utilization of the solid waste is realized and the energy-saving requirements of buildings can be also met. The produced wall body material has the advantages of higher compressive strength, smaller contractibility, light weight, heat preservation, heat insulation, sound insulation, fire resistance and the like.
Owner:陶四新
Beneficiation method for copper nickel sulfide ore
The invention relates to a beneficiation method for copper nickel sulfide ore. The beneficiation method is characterized in that a beneficiation process of the method comprises the following steps of: grinding crude copper nickel ore; preferably floating copper mineral from the ground crude ore; performing copper selection on the obtained rough copper concentrate I for five times to obtain copperconcentrate and five selected copper middlings; performing copper scavenging on copper tailing I twice to obtain copper tailing II and two scavenged copper middlings; performing rough selection of nickel mineral on the obtained copper tailing II to obtain rough nickel concentrate and nickel tailing I; performing nickel selection on the obtained rough nickel concentrate for three times to obtain the nickel concentrate and three selected nickel middlings; performing nickel scavenging on the obtained nickel tailing I twice to obtain the nickel tailing and two scavenged nickel middlings; and sequentially returning the two scavenged nickel middlings to the previous layer respectively. By the method, the copper and the nickel have high adaptability to the sequential preferred floatation and separation process, so that the copper and nickel mineral embedded into complex low-grade fine particles can be recovered, the preferred floatation and separation of the copper and nickel mineral can be realized, the quality and the recovery rate of the copper and nickel concentrate are obviously improved, and the method is simple in operation and high in controllability, and has strong adaptability to the ore.
Owner:西部矿业集团科技发展有限公司
Electric potential regulating and controling differential flotation process for copper-plumbum-zinc vulcanizing mine
InactiveCN101402071AAdaptableAvoid defects that are difficult to grasp with precisionMultistage water/sewage treatmentFlotationSlurryCopper
The invention relates to an ore dressing technology for separating copper, lead and zinc in complex polymetallic sulphide ores, in particular to an electric potential modulation and preferential flotation process for copper-lead-zinc sulphide ores, which comprises the steps of copper, lead and zinc selection; copper is preferentially floated; the electric potential Eh of an ore slurry is between 35 below zero and 15 below zero mV; the PH value of the ore slurry is between 7.50 and 8.50; LP-01 is used as a collecting agent; and YN and ZnSO4 are used as inhibitors. The process has the advantages of solving the problems that the prior flotation process has large difficulty in separating the copper and lead and the copper and zinc, poor quality of concentrated ore and higher cost.
Owner:罗仙平
3-D self-positioning method suitable for wireless sensor network
InactiveCN101241176AReduce communication costsAvoid lossPosition fixationTetrahedronReal-time computing
The present invention discloses a 3D self-localization method for wireless sensor network. Location region P is screened by judging whether the random target point Mb is located in the tetrahedron formed of random four visual anchor nodes, and barycenter set of all location region P are calculated and the average coordinate value of all elements in barycenter set G is looked as coordinate location of target nodes Mb in wireless sensor network. The method of present invention doesn't need complex distance detecting device and expensive outer equipment, and the communication protocol is relatively simple, so the present invention is a 3D self-localization method for wireless sensor network has low cost and low power.
Owner:BEIHANG UNIV
Non-asbestos-fiber oil-resistant and high-temperature-resistant calcium silicate plate and preparation method thereof
The present invention relates to the field of building wall materials, particularly to a non-asbestos-fiber oil-resistant and high-temperature-resistant calcium silicate plate and a preparation method thereof, wherein the non-asbestos-fiber oil-resistant and high-temperature-resistant calcium silicate plate comprises, by weight, 30-45% of cement, 3-4% of fly ash, 3-3.5% of sodium silicate, 45-60% of polyisoprene rubber, and 3-3.5% of a water reducer. According to the present invention, the produced non-asbestos-fiber oil-resistant and high-temperature-resistant calcium silicate plate has characteristics of good sound insulation, good thermal insulation, good fire resistance and environmental protection during the production and use process; the added polyurethane elastomer has excellent wear resistance and excellent oil resistance, belongs to the polar polymer, and can be organically and integrally combined with polypropylene so as to efficiently improve the mechanical property of polypropylene; the added fluorine rubber has characteristics of high temperature resistance, oil resistance and the like; and the added other fillers have other physical properties and processability.
Owner:CHANGZHOU WUJIN GOLDEN SUNSHINE ELECTRONICS
Quadruple-sealing energy-saving aluminium alloy door window
InactiveCN106948715ALow thermal conductivityImprove mechanical propertiesSealing arrangementsUnits with parallel planesThermal insulationEngineering
A four-seal energy-saving aluminum alloy door and window, including a door and window frame, a door and window leaf, a first sealing rubber strip, a second sealing rubber strip, a third sealing rubber strip, a fourth sealing rubber strip, a first air cavity, a second air cavity, The third air cavity, glass bead shockproof pad, glass bead, glass heat insulation pad, glass inner long tail rubber strip, glass outer rubber strip, insulating glass. The first air cavity, the second air cavity and the third air cavity formed by the four seals of the first sealing strip, the second sealing strip, the third sealing strip and the fourth sealing strip greatly enhance the insulation of doors and windows , airtight, sound insulation performance; glass bead shockproof pad changes the hard contact between the glass bead and the aluminum alloy profile in the door and window into a soft contact, which greatly reduces the noise generated between the glass bead and the aluminum alloy profile in the door and window. This four-seal energy-saving aluminum alloy door and window has good thermal insulation performance, airtight performance and sound insulation performance, can meet the needs of energy saving, and provide users with a comfortable indoor environment.
Owner:江苏沪港装饰集团有限公司
Ultraslow energy consumption system for directly adjusting indoor environment by using ground source
InactiveCN102620372AImprove comfortSimple structureSpace heating and ventilation safety systemsLighting and heating apparatusWater circulationRenewable energy
The invention discloses an ultraslow energy consumption system for directly adjusting an indoor environment by using a ground source used in a building. The ultraslow energy consumption system comprises a ground source collection subsystem, a ground source storage converter, a water pump I, a water pump II, a ground source heat pump system, an indoor environment adjusting subsystem, a heat exchanger I, a heat exchanger II, a water circulation loop I, a water circulation loop II and the like together. The ultraslow energy consumption system has the characteristics that: the ground source is directly brought indoors by utilizing novel system integration of the heat exchanger, the ground source storage converter, the water pumps, the water circulation loops and the like; and the indoor environment is adjusted by the indoor environment adjusting subsystem. Due to variation in environment, the temperature of water with the ground source, which enters the indoor environment adjusting system, is required to be adjusted, the temperature of a heat transfer medium on one side of the heat exchanger II is directly or indirectly adjusted by using the ground source heat pump system, and the temperature of water in the water circulation loop II with the ground source on the other side can be adjusted. The item belongs to the fields of building energy conservation and renewable energy source utilization.
Owner:余庄
Production method of sintered-filled self-insulation building block or wallboard
ActiveCN104446212AImprove insulation effectGood energy saving and emission reduction effectSolid waste managementCelluloseFoaming agent
The invention discloses a production method of a sintered-filled self-insulation building block or wallboard. The production method comprises the following steps: adding cement and water into crushed construction waste or coal ash, uniformly mixing, then adding cellulose and a foaming agent, with the added amount of cellulose being 0.5-3% of the total mass and the added amount of the foaming agent being 1-5% the total mass, and uniformly mixing to obtain an insulation filling material; filling up the cavity of the building block or the wallboard with the insulation filling material, and naturally curing or curing by heating, thus obtaining the filled self-insulation building block or wallboard. According to the production method disclosed by the invention, the construction waste is used for resource utilization, thus turning waste into wealth; a wall body has an excellent insulation performance, is a real green and energy-saving building block, plays good energy-saving and emission-reducing roles, and meets the need of building energy conservation; the thickness of the wall body is reduced, sand rubbing does not need to be carried out at the outer side and the inner side of the wall body, the glaze surface of the wall body is directly used as an outer wall surface, and an inner cavity coating is directly brushed on the inner side surface of the wall body, thus furthest reducing working procedures and saving various building materials.
Owner:晏兴洪
Method for making sintered filled self-insulating block or wallboard
ActiveCN104446212BImprove insulation effectGood energy saving and emission reduction effectSolid waste managementCelluloseFoaming agent
The invention discloses a production method of a sintered-filled self-insulation building block or wallboard. The production method comprises the following steps: adding cement and water into crushed construction waste or coal ash, uniformly mixing, then adding cellulose and a foaming agent, with the added amount of cellulose being 0.5-3% of the total mass and the added amount of the foaming agent being 1-5% the total mass, and uniformly mixing to obtain an insulation filling material; filling up the cavity of the building block or the wallboard with the insulation filling material, and naturally curing or curing by heating, thus obtaining the filled self-insulation building block or wallboard. According to the production method disclosed by the invention, the construction waste is used for resource utilization, thus turning waste into wealth; a wall body has an excellent insulation performance, is a real green and energy-saving building block, plays good energy-saving and emission-reducing roles, and meets the need of building energy conservation; the thickness of the wall body is reduced, sand rubbing does not need to be carried out at the outer side and the inner side of the wall body, the glaze surface of the wall body is directly used as an outer wall surface, and an inner cavity coating is directly brushed on the inner side surface of the wall body, thus furthest reducing working procedures and saving various building materials.
Owner:晏兴洪
Technique for floatation separation of hard washing copper zinc sulfuration mine
The present invention relates to a floatation separation mineral concentration technology for metal sulfuration mine, especially a technique for floatation separation of hard washing copper zinc sulfuration mine. The copper ore concentrate quality produced by a general copper-zinc differential flotation technique at the present time is low and cost is high. The technique of the invention includesa step of selecting copper and selecting zinc, the copper is floated firstly, the copper and the zinc is separated by using a collecting agent LP-02 with the addition of a combined inhibitor LY-02 under a neutrality condition of the slurry pH value. The technique has a strong adaptability, a stable production target; it is not only used for recovering copper, also improves the quality of the copper and zinc ore concentrate, as well as the copper and zinc recovery rate; the production cost is reduced greatly, the earnings level is improved and it has non environmental pollution.
Owner:西部矿业集团科技发展有限公司
Urban elevated street lamp energy-saving system based on monitoring system
InactiveCN110062507ASave powerMeet the needs of energy savingElectrical apparatusElectric light circuit arrangementMonitoring systemEngineering
The invention relates to an urban elevated street lamp energy-saving system based on a monitoring system. A server of the system is connected with monitoring equipment installed on an elevated road and monitoring equipment on an upper ramp gantry frame and a lower ramp gantry frame; and the monitoring equipment transmits vehicle passing information to the server, and the server is connected with an elevated road illuminating system. According to the urban elevated street lamp energy-saving system based on the monitoring system, the vehicles on the elevated road are tracked in time, and when the traffic flow on the elevated road is relatively small, on and off of the street lamps can be controlled, so that the electric quantity required by illumination on the elevated road is effectively reduced, and the requirements of energy conservation are met.
Owner:广东赛特斯信息科技有限公司
Fire-resistant sunshade and energy-saving integrated window
ActiveCN108019141BReduce incomingAvoid accessShutters/ movable grillesFireproof doorsEngineeringMechanical engineering
The invention relates to the technical field of building door windows, in particular to a fireproof and sunshade energy-saving integrated window. The fireproof and sunshade energy-saving integrated window comprises a fireproof and sunshade roller curtain and an energy-saving heat preservation window. The fireproof sunshade roller curtain comprises a roller curtain box, a reel, guide wheels, guiderails and a fireproof curtain sheet. The reel and the guide wheels are mounted in the roller curtain box, the guide rails are mounted on the outer wall of a wall and located on the two sides of an opening of the wall, the reel is wound with the top end of the fireproof curtain sheet, the bottom end of the fireproof curtain sheet penetrates through the guide wheels to extend into the guide rails, and the the fireproof curtain sheet can be driven by the reel to penetrate through the guide wheels to rise and fall in the guide rails. The fireproof and sunshade integrated window can meet the requirement for energy conservation of a building, has the sun-shading effect, and can reduce the situation that outdoor light rays and heat are transmitted into the indoor space. Meanwhile, the fireproof and sunshade integrated window has a good sealing effect, the fire-resistant time can be prolonged when a fire happens, the effect that a flame and smoke are prevented from entering is achieved, and the losses caused by the fire can be reduced to the largest extent. Meanwhile, the fireproof and sunshade integrated window can automatically handle with the fire, and is convenient to check and maintain.
Owner:SHANDONG TIANCHANG ENVIRONMENTAL PROTECTION ENG
Truss manipulator device based on intelligent production machine tool
InactiveCN112828662AEasy maintenanceMeet the needs of energy savingMetal working apparatusMaintainance and safety accessoriesRobot handGear wheel
The invention relates to the technical field of machining, and discloses a truss manipulator device based on an intelligent production machine tool. The truss manipulator device comprises a truss manipulator body, and the outer wall of the truss manipulator body is movably connected with a lifting stand column. According to the truss manipulator device based on the intelligent production machine tool, the energy-saving effect is achieved, it is guaranteed that a workpiece body is not polluted by dust and fine particulate matter, an adsorption pad arranged on a pushing block can be matched with a sweeping brush to adsorb swept floating ash during sweeping work, the floating ash is prevented from being secondarily attached to the workpiece body and a positioning clamp, disassembly can be achieved through an internal thread arranged in a rotating gear and an external thread arranged on a fastening bolt on one side of a movable gear, and the problems that the working efficiency is reduced and errors are caused due to equipment aging are solved; and finally, a rotating shaft and a box door are arranged, so that a worker can conveniently overhaul and maintain working equipment in an auxiliary box, and orderly working and working efficiency are guaranteed.
Owner:JIANGSU NANGAO INTELLIGENT EQUIP INNOVATION CENT CO LTD
power supply system
ActiveCN107844186BReduce supply voltageMeet the needs of energy savingPower supply for data processingEnergy efficient computingControl circuitComparator
A power supply system for a motherboard includes a switching power source, a control circuit, and a switch circuit. The control circuit includes a photocoupler and a comparator. The photocoupler is electrically connected to the switching power source and the comparator. The switch circuit is electrically connected to the comparator and a motherboard. The switch circuit is turned off when the motherboard is in a normal state and turned on when the motherboard is in a standby state. The switching power source outputs a voltage through the control circuit when the switch circuit is turned off. When the switch circuit is turned on, the comparator outputs a first state signal to the photocoupler. The photocoupler thus outputs a first driving signal to the switching power source. The first driving signal causes the switching power source to reduce the voltage.
Owner:HONG FU JIN PRECISION IND WUHAN CO LTD +1
BIM-based building design method and device, computer equipment and storage medium
PendingCN111340336AMeet the needs of energy savingVisual inspectionGeometric CADResourcesBuilding LocationComputer equipment
The invention relates to the technical field of computer technologies, in particular to a BIM-based building design method and device, computer equipment and a storage medium, and the BIM-based greenbuilding design method comprises the following steps: S10, obtaining position information of a to-be-built building; s20, acquiring sunlight information according to the position information of the to-be-built building; s30, generating energy storage equipment installation information and heating device information according to the sunlight information; and S40, obtaining a building construction scheme, importing the energy storage equipment installation information and the heating device information into the building construction scheme to obtain a to-be-built construction scheme, and generating a to-be-built BIM model according to the to-be-built construction scheme. The device can adapt to different positions and has an energy-saving effect.
Owner:君兆建设控股集团有限公司
Air conditioner system, control method and device thereof, and storage medium
ActiveCN111076327AEnsure stabilityGuaranteed energy savingMechanical apparatusLighting and heating apparatusThermodynamicsEngineering
The invention discloses an air conditioner system, a control method and device thereof and a storage medium. The air conditioner system comprises the control devices and further comprises absorption air conditioner units, compression air conditioner units, a plurality of solar thermal power generation systems and photovoltaic power generation systems which are all connected with the correspondingcontrol devices. The solar thermal power generation systems are used for generating electric energy and steam, supplying the electric energy and steam to the absorption air conditioner units and driving the absorption air conditioner unit to operate. The photovoltaic power generation systems are used for generating electric energy, supplying the electric energy to the compression air conditioner units and driving the compression air conditioner units to operate. The control devices are used for controlling the absorption air conditioner units to be turned on if the pressure of steam capable ofbeing generated by the plurality of solar thermal power generation systems is greater than or equal to the first pressure, and controlling the compression air conditioner units to be turned on if thepressure of steam capable of being generated by the solar thermal power generation systems is less than the first pressure. Thus, the energy-saving effect and stability of the air conditioner systemare ensured integrally.
Owner:GREE ELECTRIC APPLIANCES INC
3-D self-positioning method suitable for wireless sensor network
InactiveCN101241176BAvoid lossExtend your lifePosition fixationMobile wireless sensor networkWireless mesh network
Owner:BEIHANG UNIV
Energy-saving method realized on intelligent terminal and intelligent terminal
InactiveCN102821025BMeet the needs of energy savingPower managementEnergy efficient ICTComputer hardwareNetwork packet
The invention provides an energy-saving method capable of being achieved at intelligent terminals and an intelligent terminal. The method includes analyzing a packet header protocol in a received data package to obtain an application type of the data package; matching the application type with a rule stored in a rule base; and adjusting or maintaining a current work mode of a processor of the intelligent terminal according to an energy-saving strategy in a first rule when the application type is matched with the first rule in the rule base. The packet header protocol in the data package is acquired and analyzed instead of the fact that data in the data package are directly analyzed, so that using conditions of the intelligent terminal in the future short term can be rapidly obtained, the current work mode of the processor of the intelligent terminal is adjusted according to the using conditions, and the requirement of energy saving is met.
Owner:LENOVO MOBILE COMM TECH
Beneficiation method for copper nickel sulfide ore
Owner:西部矿业集团科技发展有限公司
Solar module
InactiveCN109326663AReduce energy consumptionReduce the temperaturePhotovoltaic supportsPhotovoltaic energy generationElectrical batteryEngineering physics
The present disclosure provides a solar module including an encapsulation layer, a plurality of solar cells embedded in the encapsulation layer with gaps between the solar cells; and a first patternedlayer formed on the encapsulation layer and corresponding to locations of the gaps so as to absorb the light penetrating through the gaps, thereby shielding buildings from sunlight and thus saving energy.
Owner:HELIARTEC SOLUTIONS CORP LTD
A control method and device for air conditioning equipment in a data center
ActiveCN106091231BMeet the needs of energy savingMechanical apparatusSpace heating and ventilation safety systemsData centerEngineering
A control method and device for air-conditioning equipment in a data center are used for solving the technical problem that the energy-saving effect is poor in the data center. The control method comprises the steps that the heating capacities of M loading devices in the data center are acquired; the data center comprises N loading devices and at least one air-conditioning device, wherein the N loading devices are placed in one or more equipment cabinets; M is a positive integer and N is an integer larger than or equal to M; the refrigerating capacity of each air-conditioning device in the at least one air-conditioning device is determined according to the corresponding relation among the obtained M heating capacities, the air-conditioning devices and the equipment cabinets; and the at least one air-conditioning device is indicated to output the corresponding refrigerating capacities respectively.
Owner:HUAWEI DIGITAL POWER TECH CO LTD
A kind of deregistration control method based on onu and onu
InactiveCN102404653BMeet the needs of energy savingTo achieve the purpose of energy savingMultiplex system selection arrangementsElectromagnetic transmissionSystem stabilityOptical network unit
The present invention discloses a method for controlling the deregistering of optical network unit (ONU). When the ONU being the status of energy-saving is transformed into the normal or awakening status and the ONU determines the deregistering is necessary, the ONU is not deregistered within the prearranged time. The ONU re-determines whether the deregistering is necessary after the prearranged time. The ONU determines yes, then the deregistering process is performed; if the ONU determines no, the normal or awakening status is maintained. The present invention also discloses the corresponding ONU. The invention can reduce the times for triggering the deregistering procedure in the mode of energy-saving, therefore the influence on traffic due to the energy-saving is reduced and the system stability is improved.
Owner:ZTE CORP
Electronic expansion valve control method, control device and heat pump water heater
ActiveCN107218725BOptimal control methodSimple and direct control methodFluid heatersFlow control using electric meansRevision - valueEngineering
The invention discloses a control method for an electronic expansion valve, a control device and a heat pump water heater. The control method comprises the steps that the reference value P reference of the electronic expansion valve is obtained according to the ambient temperature value of the heat pump water heater, the water temperature revision value P water temperature revision of the electronic expansion valve is obtained according to the current water temperature numerical value in a water tank of the heat pump water heater, the revision is conducted according to the water temperature revision value P water temperature revision of the electronic expansion valve based on the reference value P reference of the electronic expansion valve, and the initial opening value P initial of the electronic expansion valve is obtained. According to the control method, the initial opening value of the electronic expansion valve is adjusted according to the current water temperature numerical value in the water tank of the heat pump water heater, so that it is avoided that when the machine is started, the initial opening value of the electronic expansion valve is inaccurate due to the different current water temperatures, and consequently the energy is wasted, the energy is saved, accordingly the control method for the heat pump water heater is optimized, and the control device and the heat pump water heater are simple in structure, high in practicability and suitable for popularization.
Owner:QINGDAO HAIER NEW ENERGY ELECTRIC APPLIANCE
Wall-mounted high-current socket
ActiveCN102377049BRealize needsRealize intelligent controlCoupling contact membersClamped/spring connectionsLight guideEngineering
Owner:SHANGHAI ELECTRICAL APP RES INST +1
Adjustable high brightness light emitting diode LED lighting driving circuit
InactiveCN100514823CImprove general performanceIncrease usageAc-dc conversion without reversalElectric light circuit arrangementCapacitanceLow voltage
The invention relates to the field of lighting control circuits, in particular to an adjustable high-brightness light-emitting diode LED lighting drive circuit, which includes an input power supply, a capacitor, a high-voltage AC-DC converter, a low-voltage AC-DC converter, an LED combined light-emitting tube, a filter Voltage stabilizer, resistor, adjustable potentiometer, isolation controller, compared with the prior art, the present invention can adjust the intensity of light, can improve the utilization rate of alternating current, low power consumption, low cost and strong versatility of devices, conforms to current The demand for energy saving has strong marketability and is worth promoting.
Owner:上海纳晶科技有限公司
Benefication method for copper nickel
The invention relates to a benefication method for copper nickel. The benefication method for the copper nickel is characterized by comprising the following steps of: (1) finely grinding and desliming on raw copper nickel; (2) performing copper ore flotation on the deslimed raw ore; (3) performing copper concentration on mixed copper rough concentrate obtained in the step (2); (4) performing copper scavenging on copper middling ore I in the step (3); (5) regrinding the mixed copper nickel concentrate of copper and part of nickel in the step (3) and then performing copper nickel separation; (6) performing copper concentration on the copper rough concentrate in the step (5) and performing copper scavenging on the nickel rough concentrate in the step (5); (7) performing copper scavenging II on the nickel concentrate in the step (6); and (8) performing nickel roughing on the reground copper tailings in the step (4). In the benefication method for the copper nickel of the invention, the adaptability of a flotation separation process is high; complex low-grade particle-embedded copper and nickel minerals can be recycled; flotation separation of the copper and nickel minerals can be realized; and the quality and the recovery rate of copper and nickel concentrate are obviously improved.
Owner:西部矿业集团科技发展有限公司
Gird-connected switch auxiliary arc-extinguishing device provided with automatic discharging control device for micro grid
ActiveCN105048430AMeet the needs of energy savingLow costEmergency protective arrangements for limiting excess voltage/currentPower gridEngineering
The invention discloses a grid-connected switch auxiliary arc-extinguishing device provided with an automatic discharging control device for a micro grid. The grid-connected switch auxiliary arc-extinguishing device comprises a current transformer, a non-controlled rectification circuit, a discharging device and a damping resistor, wherein a primary side of the current transformer is connected with a PPC, a secondary side of the current transformer is connected with the input end of the non-controlled rectification circuit, the output end of the non-controlled rectification circuit is connected with the input end of the discharging circuit, the output end of the discharging circuit is connected with the damping resistor, and the damping resistor is grounded. By the grid-connected switch auxiliary arc-extinguishing device, the electric energy of the power grid cannot be consumed during normal running of the power grid, the normal running state of the power grid is automatically recovered after arc extinguishing, energy saving demand is met, and meanwhile, compared with the traditional device, the grid-connected switch auxiliary arc-extinguishing device has the advantages of low construction cost, low requirement for technology and low maintenance cost.
Owner:STATE GRID CORP OF CHINA +3
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