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83results about How to "Solve the consumption problem" patented technology

Recycled aggregate special mortar preparation method

InactiveCN102701665AProtect natural resourcesSave labor, save time and effort, and save additional costsSolid waste managementFilling pastesHardnessMoisture
The invention relates to a recycled aggregate special mortar preparation method and relates to the field of building materials. The method includes the steps: using building wastes such as waste concrete, waste bricks and waste lime-sand mortar which are smaller than 690mm in length as raw materials, determining the quantity of the raw materials as required, crushing and drying to enable moisture to be not more than 0.5% prior to gradational sieving, removing metal, wood dust, plastics and sundries during gradational sieving so that recycled aggregates with the grain sizes of 0.075-0.15mm, 0.15-0.3mm and 0.3-0.6mm are prepared, and using the recycled aggregates to prepare special mortar series including putty for interior and exterior walls, high-hardness and washable putty for interior walls, anti-cracking impermeable elastic putty for exterior walls, dry powder ceramic simulating coating putty, high-hardness washable paste putty, interior wall polishing putty, anti-cracking putty for exterior walls, exterior wall ceramic tile cementing agents, gypsum jointing agents, ceramic tile cementing agents, vetrified tile and mosaic tile cementing agents, marble and thermal-insulation board cementing agents, external thermal insulation cementing mortar and polyphenyl particle rubber powder composite thermal mortar. The recycled aggregate special mortar is used as building raw materials. By the recycled aggregate special mortar preparation method, natural resources are protected, wastes are turned to wealth, labor and time are saved, cost is low, and the requirements of low-carbon production and low-carbon life are met.
Owner:SHENZHEN WEILUN BUILDING MATERIALS

Preparation method of recycled aggregate ready-mixed mortar

The invention relates to a preparation method of recycled aggregate ready-mixed mortar, belonging to the field of building raw materials. The preparation method comprises the following steps of: taking waste concrete, waste bricks and waste sand-lime building materials, which are smaller than 690mm, as raw materials, determining the quantity according to the needs, crushing and drying till the water content is not more than 0.5%, and then performing graded screening so as to prepare recycled aggregate with the particle sizes of 0.075-0.15 mm, 0.15-0.3 mm, 0.3-0.6 mm, 0.6-1.18 mm, 1.18-2.36 mm, 2.36-4.75 mm, 4.75-10 mm and 10-32 mm, wherein metal, wood chips, plastics and other sundries are removed in the graded screening, and the masonry, plastering, waterproof or ground mortar can be respectively prepared by enabling the proportion of the sum of one of the recycled aggregate, cement, powdered ore and cellulose, and short fiber, xanthan gum powder and waterproof powder to the added water to be 1: 0.18. The recycled aggregate ready-mixed mortar can be used as a building raw material. The preparation method has the advantages of protecting natural resources, saving labor, saving time, saving effort, realizing low cost, changing the wastes into valuable things, and meeting the requirements of low-carbon production and living.
Owner:伏开磊 +1

Method and device for selecting wind tower site in wind farm generation and operation

An embodiment of the present invention provides a method and a device for selecting a wind tower site in wind farm generation and operation, wherein the method includes: dividing a wind farm site into grids, with the intersection points of the grids being candidate locations for the wind tower site; selecting from all candidate locations the candidate positions that satisfy the requirements of topographic factors, obstacle factors, tower representativeness and wake current factors; using the selected candidate locations to form a primary candidate location set; selecting a candidate location that meets the wind resource monitoring site selection index, the power generation amount post-assessment site selection index, and the ultra-short-term power forecasting location index from the primary candidate location set; and determining the one selected candidate location as the location where the wind tower is installed, wherein the wind resource monitoring site selection index indicates the degree to which the candidate location meets the requirements of wind resource monitoring requirement, the power generation amount post-assessment site selection index indicates the degree to which the candidate location meets the power generation amount post-assessment requirement, and the ultra-short-term power forecasting location index indicates the degree to which the candidate location meet the ultra-short-term power forecasting requirement.
Owner:NORTH CHINA ELECTRICAL POWER RES INST +3

A unit commitment method for deep peak load regulation of thermal power units under the condition of wind power grid connection

The invention relates to the technical field of wind power dissipation, in particular to a unit combination method considering deep peak load regulation of a thermal power unit under the condition ofgrid connection of wind power, in particular to a method for improving peak load regulation capacity of the thermal power unit under the condition of grid connection of wind power. Including: unit commitment algorithm; Objective function of unit commitment; Constraints of unit commitment; Solution of unit commitment; Operation Flow of Unit Commitment. Under the condition of large-scale wind powergrid connection, the invention considers that a certain reserve is reserved for the wind farm to balance the change of the wind power output. When the load is low, the conventional power plant unit has been adjusted to a lower output, if the wind farm output increases significantly at this time, the acceptance of wind power will be limited, resulting in wind power discarding limit. Genetic algorithm is used to find the global optimal solution, and the economy of deep peak shaving scheme is analyzed under the condition of large-scale wind power grid. Solve the problem of not abandoning the windabsorption, save the thermal power unit power generation cost, so that 'deep regulation absorption' is feasible.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +2

Power-heat decoupling system in heat-power cogeneration system and control method thereof

The invention discloses a power-heat decoupling system in a heat-power cogeneration system. The power-heat decoupling system comprises a gas generator, a heat-power set, a wind power generation device, a heat storage device, a power-heat conversion device, a power load and a heat load, wherein the gas generator is connected with the power load; the wind power generation device and the heat-power set are connected with the heat storage device through the power-heat conversion device; the heat-power set is connected to the power load, the heat load and the heat storage device respectively; the heat storage device is connected to the heat load. A method comprises the following steps: determining demanded quantity of the heat load and the power load, the purchased wind power unit price, fuel unit price, power selling price and heat selling price; determining power quantity and heat quantity generated by unit fuel and heat generated by unit power quantity through power-heat conversion; solving power of the heat-power set, the heat storage device and the gas generator, interaction power of the wind power generation device and the heat storage device, and interaction power of the heat-power set and the heat storage device; and regulating the heat load and the power load via the heat storage device and the gas generator if the heat load and the power load have fluctuation. Through the power-heat decoupling system, an operation method of ordering power by heat is decoupled; and the problem of the wind power consumption is solved.
Owner:STATE GRID LIAONING ELECTRIC POWER RES INST +1

Agricultural waste conversion system and conversion method thereof

The invention discloses an agricultural waste conversion system. The agricultural waste conversion system comprises a biogas conversion platform, an organic fertilizer conversion platform and a cooperation, wherein the cooperation is used for collecting all feces and agricultural waste and is also used for collecting agricultural films and pesticide packaging bags; the biogas conversion platform is used for converting livestock manure, rural public toilet manure and agricultural organic waste into biogas, biogas residues and biogas slurry; the organic fertilizer conversion platform is used forconverting crop straws, agricultural product processing wastes, biogas residues and biogas slurry into organic fertilizer; and the biogas is subjected to power generation networking through a biogasgenerator set, and the cooperation is also subjected to biogas slurry elimination. The integrated and all-around super-large-scale agricultural waste resource conversion platform is established by virtue of the cooperation, the agricultural waste is effectively utilized for large-scale production of biogas and organic fertilizer, and the obtained income can be used for effectively supporting the sustainable operation of the conversion platform, so that the economic benefits of waste generation are effectively utilized, the waste is turned into wealth, and the problems of environmental pollution, resource waste and the like are avoided.
Owner:成都羲农能源科技有限公司

Photovoltaic absorbing method for rural micro-energy grid considering building thermal balance and comfort

InactiveCN109217359ASolve the grid consumption problemPromote resource utilization efficiency of micro energy gridSingle network parallel feeding arrangementsResourcesElectric heatingPower grid
A photovoltaic absorbing method for rural micro-energy grid considering building thermal balance and comfort is disclosed. The whole structure of rural micro-energy grid is established: household decentralized electric heating supply system and village centralized photovoltaic access and cooperative power supply system. The heat balance model of building is based on indoor air and building envelope respectively. The heat balance model of indoor air and the heat balance model of inner surface of envelope are established to describe the heat balance process of indoor heat gain and loss. The day-ahead economic dispatching model of rural micro-energy grid is constructed: the objective function is to maximize the economic benefits of energy suppliers, and the constraints of power balance, comfort and other constraints are considered; Genetic algorithm is used to solve the day-ahead economic dispatching model of rural micro-energy grid: modifying the constraint conditions of individuals whodo not meet the constraint conditions screening and modifying, and selecting the optimal individuals in the iteration of genetic algorithm. The photovoltaic absorbing method for rural micro-energy grid considering building thermal balance and comfortnot only ensures the economy but also solves the problem of power grid consumption, and promotes the improvement of the resource utilization efficiency of the micro-energy grid.
Owner:TIANJIN UNIV

Hydrogen-electricity conversion energy system

The invention relates to a hydrogen-electricity conversion energy system, which comprises: a hydrogen storage system used for storing hydrogen in a solid state; a reversible fuel cell system connectedbetween a power grid and the hydrogen storage system, wherein the reversible fuel cell system comprises a hydrogen production module and a power generation module, the hydrogen production module is used for converting electric energy provided by the power grid into hydrogen energy to be provided for the hydrogen storage system, and the power generation module is used for converting hydrogen energy provided by the hydrogen storage system into electric energy to be provided for the power grid; and a hydrogenation system connected with the hydrogen storage system and used for hydrogenating hydrogen consumption equipment by utilizing hydrogen energy provided by the hydrogen storage system. According to the hydrogen-electricity conversion energy system, hydrogen is stored in a solid state, sothat safe storage of hydrogen energy is realized; a reversible fuel cell system realizes conversion between hydrogen and electricity, replaces hydrogen transportation with power grid power transmission, and solves the problem of difficulty in hydrogen transportation in the hydrogen energy industry; and the reversible fuel cell system can also utilize hydrogen in the hydrogen storage system to generate electricity and supply energy to the power grid, so that energy storage and peak regulation of the power grid side are realized.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Energy storage configuration and cost analysis method for supporting new energy consumption of power system

The invention discloses an energy storage configuration and cost analysis method for supporting new energy consumption of a power system. The power system comprises energy storage, wind power, photovoltaic power, thermal power, hydropower and a load, the wind power and the photovoltaic power form new energy, and the thermal power and the hydropower form a conventional unit. The method comprises the following steps:firstly, establishing a mathematical model of new energy output, and analyzing installed capacity of wind power and photovoltaic power and output characteristics under multiple time scales; according to the historical load data, predicting and considering the load demand quantity of the power system under different time scales; according to the electric power and electric quantity balance relation, calculating unbalanced power between the load and the new energy, and establishing a refined mathematical model of energy storage; and finally, based on the cost data of wind power generation, photovoltaic power generation, thermal power generation and hydroelectric power generation, analyzing the influence of different energy storage configurations and energy storage costs on the total cost of the power system by taking the comprehensive operation cost of the power system as a target. The invention solves the problem of existing new energy consumption.
Owner:CEEC HUNAN ELECTRIC POWER DESIGN INST

Multi-agent load regulation and control method based on edge computing

The invention provides a multi-agent load regulation and control method based on edge computing, and relates to the technical field of load management in an intelligent microgrid environment. The method comprises the steps of firstly establishing a power node data model in a regional power grid; considering a coupling relationship between regional power grids, establishing a perception model basedon edge computing, and perceiving voltages and phase angles at two ends of a tie line; calculating line loss between the regional power grids, and superposing the generated power and the consumed power in the regional power grids to obtain net active power of the regional power grids; setting a target function of the regional power grid; deducing an interval power grid economic benefit optimal target function according to the target functions of the regional power grids; and finally, converting the economic optimization and load adjustment problem of the interval power grid into the overall economic benefit and inter-regional power balance coupling problem of the distributed regional power grids; and converting the target function into an augmented Lagrange function, and solving the augmented Lagrange function by using an ADMM algorithm to realize regulation and control of the load of the power grid system.
Owner:NORTHEASTERN UNIV

Modified slag powder and preparation method thereof

The invention relates to a modified slag powder and a preparation method thereof. The preparation method comprises the following steps: performing heat treatment on the silico-calcium slag to obtain the heat-treated silico-calcium slag; mixing the heat-treated silico-calcium slag with coal ash, slag, gypsum, a cement grinding aid and an additive and grinding to obtain the modified slag powder. According to the preparation method, the silico-calcium slag powder is prepared by use of the silico-calcium slag by-product of producing alumina from the coal ash, and therefore, the application ways of the silico-calcium slag are expanded and the performance indices such as the strength of the concrete can be improved; on the other hand, the modified slag powder prepared by use of the method is superior to common blast furnace slag powder in both early strength and long-term strength, and the various indices at least conform to the standards of the national S95 grade slag powder, and therefore, the modified slag powder can be used as a cement or concrete admixture; the production operation process of the modified slag powder is simple and convenient and the problems of consumption and high value utilization of the silico-calcium slag can be effectively solved; in short, the modified slag powder has great popularization and application value.
Owner:DATANG INT HIGH ALUMINA COAL R & D CENT

System for carrying out new energy consumption by adopting heat supply distributed regulation and control

The invention provides a system for carrying out new energy consumption by adopting heat supply distributed regulation and control, and belongs to the technical field of new energy consumption and heat supply. The system comprises new energy power generation equipment, a power grid, a power grid regulation and control center, a heat supply control terminal and an electric heating device. A heat supply control terminal is utilized to establish an electricity price regulation and control mechanism according to the fluctuation condition of new energy power generation and in combination of the load fluctuation of a power grid, and an electricity price lever is utilized to macroscopically regulate the heating load of a user, so that the consumption problem of new energy is effectively solved; auser can automatically or manually regulate and control the indoor temperature according to personal requirements and the graded electricity price issued by the system; the characteristics that the allowance of a new energy power generation system is generally large at night, and the heat supply requirement of a user reaches the peak value at night are effectively utilized, so that peak-valley fluctuation of a power grid is effectively restrained, and the heating cost of the user is reduced. The system has the advantages of being simple in structure, easy to operate, low in cost, fair in heatsupply charging, good in heat supply effect, energy-saving, environment-friendly, high in practicability and the like.
Owner:周封

Low-carbon fireproof thermal insulation decoration board with vacuum vesicle structure and preparation method for board

The invention relates to a low-carbon fireproof thermal insulation decoration board with a vacuum vesicle structure and a preparation method for the board. The board is characterized by comprising a finish coat, an inorganic mineral tailing surface layer, a first inorganic fiber net layer, a first inorganic/organic composite thermal insulation wrapping layer, a vacuum vesicle structure thermal insulation barrier layer, a lower inorganic fiber net layer, a second inorganic/organic composite thermal insulation wrapping layer and an inorganic tailing bottom material layer which are connected from outside to inside in turn. The preparation method comprises the following steps of: preparing the inorganic mineral tailing surface layer; paving the inorganic structure fiber net layer; paving the first inorganic/organic composite thermal insulation wrapping layer; paving the vacuum vesicle structure thermal insulation barrier layer; paving the second inorganic/organic composite thermal insulation wrapping layer; paving the lower inorganic structure fiber net layer by using the components and paving process in the step 2; preparing the inorganic tailing bottom material layer; warmly curing, shaping, cutting, stacking and curing; and coating the finish coat. The board has the advantages of high thermal insulation property, decoration property, mechanical property and flame retardant property.
Owner:易科美德(天津)环保建材有限公司

Household type intelligent composite charging and discharging pile regulated based on electricity price

The invention discloses a household type intelligent composite charging and discharging pile regulated based on electricity price and belongs to the field of charging piles for electric cars. The household type intelligent composite charging and discharging pile comprises a housing, a control panel, a charging and discharging port, a charging and discharging driving module, a bidirectional alternating power distribution box, a bidirectional metering electricity meter, a main control module, a communication module, a power grid control center server and the like. Each composite charging and discharging pile exclusively belongs to a specific user for use; the characteristics that the utilization rate of the electric cars at night is low, the load of the power grid at night is at valley bottom and the allowance of a new-energy power generation system is relatively large are combined; electricity price lever and power grid regulation and control information are utilized for regulating theenergy of the power grid and consumption of new energy; and the functions such as repairing and maintenance of the electric cars are integrated. The household type intelligent composite charging and discharging pile has the advantages of being simple in structure, relatively low in cost, convenient to use, complete in function and capable of gaining considerable benefits on the premise of guaranteeing the maximum car use freedom degree and comfort level of a user, and providing favorable conditions for development and popularization of green and environment-friendly type automobiles.
Owner:周封

Recycled aggregate concrete preparation method

The invention discloses a recycled aggregate concrete preparation method and relates to the technical field of building raw materials. The method adopting the key technology of 'waste use' includes the steps: using building wastes such as waste concrete, waste bricks and waste lime-sand mortar which are smaller than 690mm in length as raw materials, determining the quantity of the raw materials as required, crushing and drying to enable moisture to be not more than 0.5% prior to gradational sieving, removing metal with magnets and removing wood dust, plastics and sundries according to the specific weight during gradational sieving so that recycled aggregates with the grain sizes of 0.3-0.6mm, 0.6-1.18mm, 1.18-2.36mm and 2.36-4.75mm are prepared, and then the recycled aggregates are mixed with broken stones, cement, pumping agents, retarders and water according to scientific proportion so that the recycled aggregate concrete of various grades in each recycled aggregate concrete model series is prepared. The recycled aggregate concrete is used as the building raw materials. The recycled aggregate concrete preparation method has the advantages that natural resources are protected, labor and time are saved, cost is low, wastes are turned to wealth, the requirements of low-carbon production and low-carbon life are met, and the method makes contributions to sustainable development.
Owner:伏开磊 +1

Method of co-processing zinc-rich gypsum slag and jarosite slag

The invention discloses a method of co-processing zinc-rich gypsum slag and jarosite slag, which comprises the following steps of: uniformly mixing the zinc-rich gypsum slag, the jarosite slag and a reducing agent, pressing into balls, putting the obtained balls into a reduction furnace, drying, pre-dehydrating, and then carrying out reduction vulcanization roasting to obtain a roasted material containing zinc sulfide, calcium sulfide and metal iron, mixing the roasted material with water, and acidifying in a three-phase fluidized bed by adopting hydrogen sulfide to obtain a calcium hydrosulfide solution and acidified slag, performing carbonation treatment on the calcium hydrosulfide solution to obtain a calcium carbonate product and hydrogen sulfide gas, and performing magnetic separationon the acidified slag to obtain iron ore concentrate, wherein magnetic separation tailings are zinc sulfide enriched slag. According to the method, calcium, zinc, sulfur and iron resources in the gypsum slag can be comprehensively recycled, secondary waste slag, waste gas and wastewater are not generated in the whole process, the method is environmentally friendly, full-quantitative utilization of the jarosite slag and the gypsum slag can be achieved, and the method has good application and popularization prospects.
Owner:CENT SOUTH UNIV

New energy data sharing method and system

PendingCN111711651AImprove precise perceptionUnlock the potential of dataFinanceTransmissionSource dataPower grid
The invention provides a new energy data sharing method. The method comprises the steps of classifying, packaging and screening real-time new energy data scheduled in each region of a power grid and extracted in advance, and then importing the new energy data into a source data end of an operation data platform in each region; periodically encoding the imported new energy data by using the sourcedata end of the operation data platform of each region, and importing the encoded new energy data into a regulation and control cloud platform in a unified manner; and feeding back the interacted real-time data to each region for scheduling through the message bus by passing through the source data end of the operation data platform of each region so as to realize data interaction and sharing, wherein the regulation and control cloud platform comprises a regulation and control cloud platform database and hierarchical deployment regional cooperation nodes. Through data processing and information sharing of massive new energy data in a power system, the accurate perception of regulation and control personnel on new energy information of the whole network is improved, and the data potential is effectively mined; a perfect power grid regulation and control strategy is formulated according to the real-time shared information, and the working efficiency of power grid dispatching personnel isimproved.
Owner:CHINA ELECTRIC POWER RES INST +2
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