143results about How to "Reduce carbon emissions" patented technology

The invention discloses a road traffic signal control system and method, and the method comprises the steps: collecting real-time data through a sensor, a camera and a geomagnetic device, combining historical data with emergency analysis, and predicting a flow mode and a change trend; green light time distribution is dynamically optimized, a fixed timing, inductive and adaptive control strategy is adopted, and traffic light duration and priority adjustment is achieved; through regional cooperation and linkage control, green wave bands and branch intersection red light optimization are set, and peak period traffic signals are intelligently dispatched. A machine learning model is used to predict a flow peak value, environment and accident detection data are combined, a signal lamp period is dynamically adjusted, vehicle waiting time, traffic efficiency, carbon emission and traffic satisfaction are evaluated, and a traffic control strategy is comprehensively optimized. According to the road traffic signal control system and method, the traffic flow in different time periods is predicted by adopting the flow prediction model based on big data analysis and machine learning, and the signal period is adjusted in advance.

The invention belongs to the field of power distribution network low-carbon economic optimization scheduling, and provides a power distribution network source network load storage low-carbon optimization scheduling increment reinforcement learning method and system, and the method comprises the steps: carrying out the intelligent agent division of a power grid, obtaining a plurality of intelligent agent regions, and collecting the observation data of each intelligent agent region; on the basis of the observation data, constructing a low-carbon economic dispatching model of source-grid-load-storage cooperation by taking the operation cost and carbon emission of each agent regional power grid as objective functions; designing the source-network-load-storage coordinated low-carbon economic dispatching model into a reinforcement learning model in a multi-agent environment according to a state space, an action space, an environment and a reward function; and solving the reinforcement learning model in the multi-agent environment to obtain an optimal scheduling solution. According to the incremental optimization method, the environment can help the intelligent agent to detect environment changes in training, excessive exploration risks are avoided, the training time is shortened, and meanwhile the flexibility of the system is improved.

The invention belongs to the technical field of emulsified asphalt materials, and particularly relates to an emulsified asphalt mixture and a preparation method thereof.The emulsified asphalt mixture is prepared from 95-98 parts of aggregate, 3-5 parts of early strength agent, 0-2 parts of water, 0-3 parts of mineral powder and 10-11 parts of modified emulsified asphalt, the modified asphalt is obtained by compounding and modifying SBS, petroleum resin and rubber powder. Through step-by-step preparation, the mixture has good emulsifying performance and can emulsify SBS and rubber powder, SBS, petroleum resin and rubber powder are organically combined, the mixture has good performance, meanwhile, the early strength agent is used, the early strength agent and modified emulsified asphalt can play a synergistic effect, the performance of the mixture is further improved, and the service life of the mixture is prolonged. All performance indexes of the emulsified asphalt mixture reach or even exceed those of a hot-mix asphalt mixture, and the emulsified asphalt mixture can be applied to a surface layer of an asphalt pavement and has very high actual use value.

The invention discloses a charcoal-based alkali-activated resistance and control material as well as a preparation method and application thereof. The biochar-based alkali-activated resistance and control material comprises the following components in percentage by mass: 50-70% of in-situ soil and 30-50% of a colloidal material, wherein the colloidal material is an ash body material and a composite alkali activator, and the composite alkali activator is obtained by ball-milling active magnesium oxide and charcoal; the biochar-based alkali-activated resistance and control material has better early compressive strength under the condition of low gel-sand ratio, and the 7d compressive strength can reach 9.33 MPa; meanwhile, the existence of the charcoal can better adsorb and intercept soil pollutants, the anti-seepage performance is better, and the permeability coefficient can reach 2.4 * 10 <-10 > m / s; when applied to rapid prevention and control of emergency pollution sites, the composite material can be rapidly laid and formed, the pollutant seepage concentration is lower, and the composite material has great application prospects.

The invention discloses a low-carbon-oriented transformer substation ventilation and heat dissipation optimization design method. The method comprises the following steps: S1, collecting various information of a transformer substation building; s2, establishing a carbon emission calculation model; the method is suitable for the technical field of transformation of the transformer substation, multiple factors such as building scheme optimization, skin function optimization, internal function optimization and meteorological conditions are fully considered, optimization design is provided, ventilation resistance is reduced, heat dissipation efficiency is improved, energy consumption of a ventilation and heat dissipation system is reduced, and the method is suitable for popularization and application. Therefore, carbon emission is reduced, the temperature of a power equipment room of the transformer substation is reduced, equipment overheating, performance reduction and even damage caused by too high temperature can be reduced, efficient operation of a ventilation and heat dissipation system is achieved, energy consumption and carbon emission are reduced, and the purposes of low carbon and environmental protection are achieved.

The invention belongs to the field of ocean engineering, and discloses a modularized movable energy storage power supply platform for ocean offshore power utilization facilities and a use method of the modularized movable energy storage power supply platform. Comprising a modularized energy storage floating body, a flow guide module, a spherical hinge connector, a mechanical arm, a connecting rod and a tugboat. Clean energy obtained from an offshore wind driven generator and a photovoltaic platform is used for charging and is towed to an offshore facility through a tugboat for power supply. The platform adopts a modular design, connection and disassembly of modules are realized through a combined design of a spherical hinge connector and a mechanical arm, floating bodies are flexibly increased and decreased according to power demands of different facilities, and efficient energy storage and stable power supply are realized. The modular design enables the platform to have flexibility and expandability, and can meet the power supply requirements of ocean offshore facilities of various scales and types. The platform not only reduces the high cost of submarine cable laying, but also improves the environmental protection property of power supply, reduces the dependence on traditional energy such as diesel power generation, and promotes the application and sustainable development of clean energy.

The invention discloses an integrated energy system low-carbon economic optimization method and system considering fused magnesium load. The method comprises the following steps: determining a load matching index based on an actual load value and a wind-light-storage combined output value; based on the wind and light storage installed capacity and the operation and maintenance cost coefficient, combining a pre-constructed average electricity cost model to obtain an average electricity cost; with the load matching degree and the average cost per kilowatt-hour as optimization objectives, an NSGA-II algorithm is adopted for optimization to obtain the optimal wind and light storage installed capacity; establishing a master-slave game energy transaction model based on the optimal wind and light storage installed capacity and demand response, and solving the master-slave game energy transaction model based on an improved grey wolf algorithm to obtain a comprehensive energy system low-carbon economic optimization scheme; wherein the pre-constructed average cost-per-kilowatt-hour model is constructed by taking the minimum cost-per-kilowatt-hour as an optimization target and combining constraint conditions. According to the invention, optimization solution is carried out based on the improved grey wolf algorithm to obtain the optimal scheme, and the carbon emission and carbon transaction cost of the system are reduced.

The invention discloses a dechlorinated and detoxified fly ash-waste glass powder-slag composite alkali-activated cementing material and a preparation method thereof. The alkali-activated cementing material takes hydrated calcium aluminosilicate gel and hydrated sodium aluminosilicate gel as main components, and comprises the following raw materials: dechlorinated and detoxified fly ash, waste glass powder, slag and an alkali activator, and the alkali activator is prepared from a sodium silicate solution and a sodium hydroxide solid; the raw materials are scientifically proportioned, so that efficient resource utilization is realized, and the performance of the alkali-activated cementing material is improved. The selected precursor is rich in active mineral components such as calcium, silicon and aluminum, an alkali activator prepared by adding a sodium silicate solution and a sodium hydroxide solid provides an ideal alkaline environment for a system, and the system can generate C-A-S-H gel and N-A-S-H gel at the same time due to complementary and synergistic effects of chemical components of all the components. Therefore, the material properties of high compressive strength, moderate setting time and reaction heat balance are realized, and meanwhile, good working performance and long-term durability are realized.

The invention relates to an intelligent photovoltaic curtain wall which has the function of adjusting light transmission intensity. The surface of the photovoltaic curtain wall is fully covered by the photovoltaic module, the supporting body is installed behind the photovoltaic battery module, and the photovoltaic module is fixed on the supporting body through the module fastener. Air hole channels are arranged among the photovoltaic modules to adjust temperature, and air holes can be connected with external constant-temperature systems such as a central air conditioner, so that the photovoltaic curtain wall has good constant-temperature capability. The photovoltaic cell is located between the guide rails, and the controller controls the driving motor to achieve movement of the cell position, so that the light transmission intensity is adjusted in good time. A mechanical arm and a control motor are arranged in the photovoltaic cell storage box and used for storage and output of photovoltaic cells, and the control motor receives instructions of the controller to operate. The controller is connected with the driving motor and the control motor through data lines, the shielding area ratio of the photovoltaic cell is automatically adjusted according to user requirements, and automatic adjustment of the light transmission intensity is achieved.

The invention discloses an intelligent site selection and generation method for a building group in a covered land by using a wind, light and heat comprehensive model. The method includes the steps of Mongolian land energy data acquisition, Mongolian land building group layout pattern recognition, wind-solar-thermal comprehensive model construction, energy benefit maximized Mongolian land building intelligent site selection, energy equipment and Mongolian land building integrated scheme generation and multi-scheme scoring and output. According to the method, firstly, a scheme of integrating energy equipment and the masked building is generated by acquiring masked energy data, identifying a layout mode of the masked building group, calculating total energy supply by using a wind-solar-thermal comprehensive model, calculating intelligent site selection of the masked building with maximized energy benefit by using an algorithm, and performing multi-scheme evaluation output. According to the system, regional wind, light and heat clean energy can be comprehensively utilized, site selection and arrangement of the covered-ground buildings are carried out according to energy benefits, a covered-ground building and energy equipment integration scheme is generated, continuous and stable energy supply is provided for the covered-ground buildings, the life happiness index of covered-ground residents is increased, and carbon emission is reduced.

The invention relates to the technical field of filling materials, in particular to a full-solid-waste high-flow-state mine filling material, slurry containing the full-solid-waste high-flow-state mine filling material and a preparation method. The invention provides an all-solid-waste high-flow-state mine filling material which comprises the following components in parts by mass: 130-160 parts of a cementing material, 20-50 parts of an admixture, 300-400 parts of aggregate and 1-12 parts of an additive, the additive is prepared from the following components in parts by weight: 1 to 10 parts of exciting agent, 0.05 to 0.1 part of water-retaining thickening agent, 0.1 to 0.5 part of water reducing agent and 0.01 to 0.5 part of coagulation accelerator. According to the filling material, various solid wastes are used as main raw materials and matched with specific additives, so that synergistic utilization of different solid wastes is realized, and the green filling material with low carbon emission, low energy consumption and low cost is obtained. Slurry of the filling material has the high flow state maintaining characteristic of 3-4 h, the purpose of being capable of being pumped for a long time is achieved, and the slurry can be gradually coagulated within 6-8 h and reach the demolding self-standing standard.

The invention discloses a pressure-free baking-free brick for synergistically recovering solid waste molten water-quenched slag and sludge incineration ash and a preparation method. The water-quenched slag and the sludge incineration ash are used as building materials to prepare the high-strength baking-free brick. By utilizing a chemical component complementation mechanism between two solid wastes, through scientific formula design and combining process route optimization, efficient fixation of heavy metals and improvement of mechanical properties of the brick body are realized, and the brick is high in strength and good in durability. According to the invention, the use of traditional brick making raw materials is reduced, and the adopted pouring molding technology is low in energy consumption and less in carbon emission; according to the method, the two solid wastes of the water-quenched slag and the sludge incineration ash are effectively consumed and converted into the sintering-free brick value-added building material, the secondary utilization value of the solid wastes is further developed, efficient toxicity reduction of the water-quenched slag is achieved, environmental benefits and social and economic benefits are both achieved, and the method is worthy of popularization and application. And a new sustainable development direction is provided for resource utilization of solid wastes and green transformation of the building industry.

The invention relates to the technical field of cement preparation, and discloses a preparation method of low-carbon cement, which comprises the following steps: preparing 70% + / -5% of limestone and 10% + / -5% of clay as raw materials, then selecting a proper amount of slag fly ash according to construction requirements, carrying out dry grinding and homogenization to prepare a cement raw material, calcining the cement raw material, and drying the cement raw material to obtain the low-carbon cement. According to the preparation method of the low-carbon cement, the cement clinker is pre-ground through the pre-grinding assembly arranged at the top of the roller press main body, so that the shutdown influence on a fixed roller and a movable roller due to the fact that the granularity of the cement exceeds the standard is avoided; meanwhile, iron impurities in cement clinker are removed by the magnetic bars, so that the influence of the iron impurities on the fixed roller and the movable roller is reduced, the grinding yield and efficiency of the fixed roller and the movable roller are improved, then the electricity consumption of the device is reduced, and the carbon emission of cement prepared by the device is indirectly reduced.

The invention relates to the field of foam concrete, and particularly discloses an all-solid waste alkali-activated cementing material for foam concrete. The all-solid waste alkali-activated cementing material for the foam concrete comprises the following components in parts by weight: 10-20 parts of lithium slag, 25-35 parts of fly ash, 35-45 parts of mineral slag, 10-20 parts of steel slag, 3-8 parts of phosphogypsum and 5-7 parts of an exciting agent. The exciting agent is a mixture of solid sodium metaaluminate, sodium silicate and carbide slag in a mass ratio of (3.5-4.5): 1: 1, and the modulus of sodium silicate is 1.5; the ardealite is industrial byproduct gypsum. The all-solid waste alkali-activated cementing material for the foam concrete has the advantages that the problems of high carbon emission and high energy consumption of a cement-based foam concrete cementing material are solved, and meanwhile, the mechanical property and durability of the foam concrete are improved.

The invention relates to the technical field of alkylation, and discloses an alkylation solid acid catalyst, a preparation method and application thereof, and an alkylation method. The alkylation solid acid catalyst comprises a molecular sieve, a binder and an active metal, and the active metal is Cu; on the basis of the dry basis weight of the catalyst, the content of the molecular sieve is 50-95 wt%, the content of the binder is 4.9-50 wt%, and the content of the active metal in terms of elements is not higher than 20 wt%; compared with the pyridine infrared total acid content of the molecular sieve, the pyridine infrared total acid content of the catalyst is increased by not less than 20%. The alkylation solid acid catalyst has a high pyridine infrared total acid content, can improve the conversion rate of ethylene and prolong the service life of the catalyst when being used in an ethylene isobutane alkylation reaction, and has the advantages of simple preparation method operation, low cost and good industrial value.

The invention relates to the field of power systems, in particular to a two-stage low-carbon economic dispatching method based on deep reinforcement learning. The invention provides a two-stage low-carbon economic dispatching method based on deep reinforcement learning in order to solve the problem that potential safety hazards are brought to a transmission line between a micro-grid and a main power grid due to uncertainty of renewable energy sources which cannot be solved by existing two-stage low-carbon economic dispatching. In the day-ahead scheduling stage, the transmission power limit between the micro-grid and the main power grid is used as a constraint condition, a day-ahead scheduling strategy is generated through the first stage, and meanwhile, the weight of each factor in a reward function is determined. In the intra-day scheduling stage, two methods of out-of-limit penalty weight adjustment and conservative safety limit constraint are used to deal with the power transmission line out-of-limit problem caused by renewable energy uncertainty and prediction errors.

The invention provides a central air-conditioning load and low-carbon optimization method based on deep reinforcement learning and a game theory. The method comprises the following steps of: firstly, modeling multiple uncertainties such as unit parameters, environment temperature and source load of each part in the central air conditioning system by adopting methods such as interval number and the like; secondly, according to the carbon emission, the power load and the mechanism of the system, the operation mode of the central air conditioning system is optimized by taking the lowest comprehensive operation cost and low carbon as targets. According to the invention, a novel multi-objective optimization algorithm of ''offline training'' and ''online guidance'' is carried out through a strategy of combining a deep Q network of deep reinforcement learning and an interval multi-objective particle swarm optimization algorithm, and the low-carbon low-energy-consumption optimization scheduling problem of the central air conditioner under multiple uncertain factors is efficiently solved.

The invention belongs to the technical field of bar production, and particularly relates to a production method of a steel bar for a heavy-load automobile half axle, and the steel bar comprises the following chemical components in percentage by mass: 0.39-0.42% of C, 0.25-0.35% of Si, 1.45-1.70% of Mn, less than or equal to 0.013% of P, less than or equal to 0.006% of S, less than or equal to 0.25% of Cr, less than or equal to 0.25% of Ni, 0.15-0.20% of Mo, 0.06-0.10% of V, less than or equal to 0.15% of Cu and the balance of Fe and inevitable impurities. The method has the advantages that high-performance, high-purity and low-cost production of the steel bar for the heavy-duty automobile half shaft is realized through green short-process production of'ecological electric furnace + LF + RH + continuous casting 'in combination with low-carbon component design and a controlled rolling and controlled cooling process. And macrostructures and non-metallic inclusions of the finished steel meet the requirements of high-end products.

The invention relates to a pollution reduction and carbon reduction collaborative analysis method based on electric power big data. Constructing a pollution reduction and carbon reduction monitoring analysis model based on electric power big data according to the collected data, and calculating unit tax pollution emission intensity and unit tax carbon intensity of the enterprise; performing comprehensive performance calculation according to the calculated unit tax pollution emission intensity and unit tax carbon intensity; and ranking the enterprises according to the obtained comprehensive performance, and performing level-to-level management on the enterprises according to the ranking. The method breaks through emission reduction management and control means and measures of original key areas and key industries, innovatively introduces multi-industry and multi-dimensional enterprise production information and energy consumption information, breaks through inherent management thinking on the basis of original evaluation purely depending on pollutant emission, deeply associates enterprise economic benefits with pollution discharge and carbon discharge, and improves enterprise economic benefit evaluation efficiency. Pollutant emission intensity and electric carbon emission intensity indexes are newly added and constructed, brand new dimension classification rating is carried out on key emission reduction enterprises, and total amount and intensity double evaluation and double control are firstly achieved.

The invention discloses a preparation method of a heat-insulation reinforcing material for mine roadway guniting support. The preparation method comprises the following steps: crushing cotton straws, sieving, and drying until the mass is constant; the preparation method comprises the following steps: preparing an alkali activator solution formed by mixing NaOH and Na2SiO3; mixing and stirring slag powder and fly ash to obtain a slag-ash mixture; then carrying out solid-liquid mixing on the slag-ash mixture and an alkali activator solution, and adding 2-5% of quartz sand; after stirring, sequentially adding 20 to 28 percent of cotton straw, 0.35 to 0.45 percent of aluminum powder foaming agent and a proper amount of foam stabilizer; the water-cement ratio of the thermal insulation reinforcing material is (0.4-0.6): 1. The thermal insulation reinforcing material is used for shotcrete support of the mine laneway. According to the invention, light materials such as cotton straws are added, so that the guniting support material has better heat preservation and heat insulation effects. The cotton straw can also effectively prevent the expansion of internal cracks, and can better improve the strength and toughness of the material.

The invention discloses an efficient low-carbon vertical tank supergravity mixed magnesium smelting device and method.The device comprises a furnace body and a supergravity solid-liquid mixing system, and the supergravity solid-liquid mixing system comprises a first-stage material gathering taper pipe fixedly arranged in the furnace body and a second-stage material gathering taper pipe provided with a discharging port; a liquid-solid mixing reaction material tank internally and fixedly connected with a solid raw material distributing plate is arranged above the first-stage material gathering taper pipe, the liquid-solid mixing reaction material tank is fixedly connected with a solid raw material feeding pipe provided with a solid raw material feeding vacuum valve, and the solid raw material feeding pipe is rotationally connected with the furnace body and connected with a transmission assembly. A liquid-state reducing agent atomizing disc is fixedly arranged in the liquid-solid mixing reaction material tank and is rotationally connected with a liquid-state reducing agent feeding pipe provided with a liquid-state reducing agent feeding vacuum valve; the furnace body is connected with the magnesium steam collecting system, the magnesium steam collecting system is connected with the vacuumizing system, and a slag outlet is formed in the bottom of the furnace body and connected with a sealing piece. According to the invention, the reaction efficiency is improved, the energy consumption is reduced, and energy conservation and emission reduction are realized.

A wastewater regeneration device includes an electrolytic cell, multiple cation exchange membranes, and at least one anion exchange membrane. The cation exchange membranes and anion exchange membranes are alternately and spaced apart within the electrolytic cell to divide the cell into two electrode chambers, at least one first compartment, and at least one second compartment. Each first compartment is configured to receive anion-containing wastewater and regenerate it into a chemical reagent. Each second compartment is configured to receive anions from the anion-containing wastewater via the anion exchange membrane and cations from the anion-containing wastewater or electrolyte via the cation exchange membrane, and to synthesize an acid solution using the anions and cations. A surface treatment process system incorporating the wastewater regeneration device is also proposed, as well as a wastewater regeneration method utilizing the wastewater regeneration device.

This invention discloses a low-carbon economic operation method for integrated energy systems in industrial parks based on carbon trading collaboration. It relates to the technical field of integrated energy system optimization scheduling and low-carbon economic operation, and includes the following steps: establishing a matching physical system model based on the collaborative recognition rules of green certificates and carbon trading; constructing a day-ahead scheduling model with the single objective of minimizing the total operating cost of the integrated energy system in the industrial park, based on the collaborative recognition rules and the physical system model, to solve for the optimal equipment output plan, energy storage scheduling strategy, and flexible load adjustment scheme that minimizes the total cost while satisfying constraints such as equipment operation, power balance, and load comfort. This invention overcomes the problems existing in current research on low-carbon operation of integrated energy systems in industrial parks, such as isolated market mechanisms, simplified load models, and difficulties in coordinating economic and environmental goals.

The invention relates to the technical field of fertilizer preparation, and particularly discloses a modified flotation phosphate tailing-based composite calcium magnesium phosphate fertilizer and a preparation method thereof, and the composite calcium magnesium phosphate fertilizer is prepared from modified flotation phosphate tailings, dolomite, limestone, an activator, a binder, a magnesium supplement conditioner and water. The flotation phosphate tailings are deeply modified by adopting a composite pretreatment liquid synergistic activation-gradient composite modification process, so that the effectiveness of nutrients such as phosphorus, calcium and magnesium in the flotation phosphate tailings and the environmental safety are remarkably improved; and through the raw material compounding design of calcium and magnesium source collaboration, gradient magnesium supplementation and conditioning synergism, quick-acting and long-acting collaborative supply of nutrients and a soil improvement function are realized. The flotation phosphate tailings are used as main raw materials, the technological process is simple, energy consumption is low, the prepared composite calcium magnesium phosphate fertilizer is balanced in nutrient, lasting in fertilizer efficiency and excellent in physical performance, and unification of solid waste recycling, product high value and production greenization is achieved.

The invention provides a desulfurization ash regeneration device and method, and relates to the technical field of desulfurization ash regeneration. The device comprises a shell, the shell is provided with a reaction cavity, a feeding port and a discharging port, and a turnover sand core is arranged between the reaction cavity and the discharging port and used for controlling the desulfurization ash discharging process; a gas inlet is formed between the discharge hole and the sand core and is used for introducing reaction gas which reacts with the desulfurized fly ash into the reaction cavity; an ignition device; the circular reaction unit is used for realizing circular reaction of the desulfurized fly ash in the reaction cavity to reach set conditions; and an air outlet. When the device is used for regenerating the desulfurized fly ash, reaction gas can be used as a heat source and a reducing atmosphere at the same time, the desulfurized fly ash is efficiently and quickly regenerated and decomposed into calcium oxide in the reaction cavity, and the energy consumption is reduced; the regenerated desulfurized fly ash can be used in a sintering or pellet production process, so that the treatment cost of waste ash and the use amount of new lime are reduced, and the environmental protection cost and carbon emission of enterprises are effectively reduced.

The invention provides a highway service area electric power dynamic capacity expansion method considering an electric vehicle charging load. The method is divided into a long-term scheduling optimization stage and a short-term scheduling optimization stage. In the long-term scheduling optimization stage, on the basis of long-term prediction results of wind-light power generation, daily load and electric vehicle charging load power in a micro-grid in a service area, a target function with minimum grid-connected fluctuation is added on the target basis of economical efficiency and low-carbon performance, and a long-term scheduling optimization plan is preliminarily formulated; and obtaining a power change condition between the service area and the power grid. In the short-term scheduling optimization stage, a short-term scheduling optimization plan is carried out on the basis of a long-term result grid-connected power change and a short-term prediction result of each unit in the system by taking optimal operation economy and minimum grid-connected stability as targets.

The present invention provides a system and method for heat and power cogeneration of a steam turbine waste heat in a solar thermal power station. The system mainly includes a steam turbine, a steam-water heat exchanger, and a compression heat pump. The steam turbine is connected to the steam side of the steam-water heat exchanger through a steam exhaust extraction pipeline, and the water side of the steam-water heat exchanger is connected to the compression heat pump through a circulating water pipeline. The compression heat pump is connected to a heating water pipeline. The latent heat of the steam exhaust from the steam turbine is transferred to the circulating water through the steam-water heat exchanger, and the circulating water with low-grade heat is converted into heating water with high-grade heat through the compression heat pump to provide heat to users, wherein the circulating water with the heat of the exhaust steam is stored in a circulating water storage tank, and the heating water with high-grade heat is stored in a heating water storage tank, and continuous heating is still achieved after the steam turbine is shut down. The present invention effectively improves the heat grade and comprehensive energy utilization rate, realizes peak cooling, solves the attenuation problem of the power station condensation system, and the problem of intermittent waste heat from the solar thermal power station, and is conducive to reducing heating costs and carbon emissions.

The invention relates to the field of oil field energy supply, and discloses an oil field united station energy supply system and method based on carbon dioxide energy storage and waste water hydrogen production. The carbon dioxide energy storage device is configured to selectively store or release electric energy by using carbon dioxide generated by the oil field united station; the production load comprises a hydrogen production device, and the hydrogen production device is configured to produce hydrogen by using the production wastewater of the oil field united station; the power distribution device is electrically connected with the clean energy power generation device, the carbon dioxide energy storage device and the hydrogen production device; and the energy management device monitors the power generation power of the clean energy power generation device and the electricity utilization power of the production load, and controls the operation of the carbon dioxide energy storage device according to the power generation power and the electricity utilization power. The safe, efficient and stable energy supply system can be provided, the discharge amount of carbon dioxide and waste water can be reduced, and the utilization rate of clean energy is increased.

The present application belongs to the technical field of water treatment, and discloses a water treatment method and system adopting unidirectional pulse high-voltage electric field discharge oxidation, alternating current electric field fixed spiral wing fin static disturbance electric field microflocculation, conventional magnetic field separation, and anaerobic reduction reaction. A pressurizing water pump is installed in series at the outlet of a water source, and the treated water enters the unidirectional pulse high-voltage electric field discharge oxidation device, the alternating current electric field fixed spiral wing fin static disturbance microflocculation device, and the magnetic separation device in sequence through pressurization, and then enters the conical bottom anaerobic reduction reaction water tank, and is supplied to the user after pressurization by the outlet pressurizing pump; when the magnetic separation device is saturated, the backwashing process is started, the backwashing adopts steam-water backwashing, the backwashing sewage enters the conical bottom anaerobic reduction reaction water tank, a backflow submersible metering pump is arranged at the upper half of the water tank, the outlet of the metering pump is connected to the water inlet of the unidirectional pulse high-voltage electric field discharge oxidation device and is provided with an electromagnetic valve, and is used for strengthening the oxidation microflocculation again, thereby saving the cost of the traditional process by 50-80%.

The invention discloses a method for co-processing electrolytic aluminum overhaul slag with converter steel slag. First, carbon blocks in the overhaul slag produced by the electrolytic aluminum enterprise are crushed to less than 5 cm, the carbon blocks and waste refractory materials are mixed in a mass percentage of 20:80, and the mixture is processed to less than 1 mm by a rod mill and a Raymond mill, and then transported to a pelletizing production line for use as an overhaul slag powder material; converter sludge is added to the overhaul slag powder material as a binder, and the added amount of converter sludge is 5% to 10% of the mass of the overhaul slag powder material, and a high-pressure dry powder pelletizing machine is used to press it into pellets with a diameter of 30 to 50 mm, and then the pellets are transported to a converter production line and a hot slag production line for use; the pellets are used as a defoaming agent for converter foam slag or as a slag pressing defoaming agent for a slag pot or added to a slag pot filled with converter liquid steel slag, and the pellets are treated according to normal hot slag pouring or hot slag stuffing process.