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148 results about "Heat consumption" patented technology

Consumption of electricity and derived heat. Electricity grids and distribution systems of derived heat always have to be in balance: all produced electricity and derived heat need to be consumed in one way or another.

Centralized heating balanced regulation and control method, device, equipment and medium

The invention relates to a centralized heating balanced regulation and control method, device and equipment and a medium. The method comprises the steps that firstly, the heat supply area of a user and the heat use state of a neighbor are collected, the basic flow of the jet device is calculated according to an industrial standard formula, and final flow containing resistance characteristic data is obtained through secondary correction by combining a neighbor heat use state correction coefficient and an environment temperature influence factor. Extracting flow and inlet and outlet pressure difference from jet device parameters, adjusting a valve to enable the resistance proportion to reach a preset interval, calculating parameters such as unit area heat consumption by combining real-time flow and supply and return water temperature difference, generating regulation and control basic data through coupling analysis, adjusting the jet device when the regulation and control basic data reach the standard, and generating a dynamic scheme by combining a thermal load prediction model. And finally, capturing the flow pulse signal according to a fixed period to calculate a difference value, generating a valve control signal according to a threshold value, acquiring the water supply and return temperature after execution, and coupling with a dynamic scheme to generate a regulation feedback signal. By adopting the method, accurate regulation and control can be realized through multi-dimensional analysis, and the flow distribution accuracy and the heat supply balance are improved.
Owner:XINMI DESHENG DRINKING WATER PLANT (GENERAL PARTNERSHIP)

Carbon dioxide capture system using heat pumps for waste heat recovery and utilization

Provided is a carbon dioxide capture system using heat pumps for waste heat recovery and utilization. In the system, waste heat recovery and upgrading are performed, by means of a first waste heat recovery heat pump, on a lean solution in a medium-temperature section that has been cooled by means of a lean-rich solution heat exchanger, and / or waste heat recovery and upgrading are performed, by means of a third waste heat recovery heat pump, on reaction waste heat of an absorption solution; and recovered waste heat is used for heating a medium-lean solution at the bottom of a desorption tower to perform carbon dioxide desorption, thereby realizing the recovery and full upgrading of low-grade waste heat, and thus achieving the aim of full utilization of low-grade waste heat. By means of a first coupled heat exchanger and / or a second coupled heat exchanger, the system further makes the working medium, which is obtained after recovered heat energy is reused for carbon dioxide desorption, further exchange heat with a split cold rich solution to preheat the cold rich solution, thereby realizing coupled utilization of energy inside the carbon dioxide capture system, and thus effectively reducing the heat consumption and operating costs of the carbon dioxide capture system.
Owner:PEKING UNIV +1

Hydraulic intelligent balance regulation and control method and platform for multiple systems of heat exchange station

The invention discloses a hydraulic intelligent balance regulation and control method and platform for multiple systems of a heat exchange station, and relates to the technical field of hydraulic balance of central heating systems, and the method comprises the steps: obtaining the real-time operation data of multiple heating systems of the heat exchange station, calculating the heat consumption data of a unit area, analyzing the hydraulic unbalance, and obtaining a hydraulic supply state parameter set; temperature change parameters of the heat exchange station are monitored, and a climate compensation adjustment curve is constructed in combination with hydraulic unbalance indexes; collaboratively optimizing the two to generate a multi-system valve control instruction set; adjusting and monitoring according to the instruction set and then feeding back and backtracking, and constructing a hydraulic balance regulation and control strategy to realize intelligent control. The technical problems that due to the fact that regulation and control of the multiple heat supply systems of the heat exchange station are lack of pertinence and collaboration and inaccurate in state judgment, heat supply is uneven and energy consumption is too high are solved, and the technical effects that the operation states of the multiple systems of the heat exchange station are precisely controlled and cooperatively adjusted, heat supply balance is improved, and overall energy consumption is reduced are achieved.
Owner:BEIJING DALONG HEATING SUPPLY CENT

Cogeneration user group energy efficiency optimization method and system based on bidirectional cooperation

The invention discloses a heat and power cogeneration user group energy efficiency optimization method and system based on bidirectional cooperation, relates to the technical field of heat and power cogeneration, and provides the following scheme that the method comprises the steps of setting a historical period, collecting historical electricity and heat consumption data of a user in the period, and constructing a strategy feature vector; the strategy feature vector comprises an electricity and heat utilization behavior feature, a demand response participation degree feature and an economic benefit feature; classifying the user strategy feature vectors by adopting a clustering algorithm, and identifying information island users and main group users; the method is based on historical electricity and heat consumption data of island users. Three-dimensional features of power utilization behaviors, demand response participation degree and economic benefits are extracted through historical power utilization and heat utilization data, strategy feature vectors are constructed, accurate description of the power utilization and heat utilization behaviors of users is achieved, limitation of traditional single-dimensional analysis is broken through, an accurate data basis is provided for user clustering and strategy optimization, feature recognition accuracy is improved, and user experience is improved. And the system can accurately analyze the electricity and heat utilization rule.
Owner:ZHONGJIANENG (GUANGDONG) ENERGY CO LTD

Method and system for evaluating and analyzing heat storage capacity of steam pipe network

The invention provides a method and system for evaluating and analyzing the heat storage capacity of a steam pipe network, and belongs to the technical field of heat storage capacity evaluation.The method specifically comprises the steps that the heat storage capacity in the steam pipe network is obtained in real time, and the evaluation time period of the heat storage capacity is determined according to the coincidence condition of the heat storage capacity and the evaluation target interval; determining an evaluation deviation heat storage capacity interval in the evaluation target interval based on the evaluation time period data and the matching condition of the evaluation data of the heat storage capacity of different evaluation time periods and an evaluation analysis strategy, and determining a control processing scheme of the thermal equipment of the steam pipe network in the evaluation deviation heat storage interval according to the distribution condition of the evaluation deviation heat storage interval in an evaluation target interval adjacent to the evaluation deviation heat storage interval, evaluation time period data and a monitoring result of heat consumption data of a heat user. And the reliability of evaluating, analyzing and processing the heat storage capacity of the steam pipe network is improved.
Owner:HUANENG SUZHOU THERMAL POWER CO LTD

Calcining furnace for large-scale production of II-type anhydrite from industrial by-product gypsum

PendingCN120829258AAir volumeFlue gas
The invention discloses a calcining furnace for large-scale production of type II anhydrite from industrial byproduct gypsum, which is characterized in that a plurality of material inlets are formed in the calcining furnace and used for receiving materials from different sources, so that the fine powder circulation volume in a system is greatly reduced, and dust collection return materials directly enter the lower part of the calcining furnace, so that the productivity of the system is increased; the air inlet part of the calcining furnace adopts high-temperature flue gas, part of heat energy is recycled, and the use of air can be reduced, so that the oxygen content in the calcining furnace is always below the explosion limit, and the safety is improved; by means of temperature, pressure, oxygen content, air volume and other instruments, frequency conversion fan rotating speed, valve opening and the like, automatic control is adopted, and raw material amount, fuel consumption and mixed total air volume entering a calcining furnace are metered and controlled, so that the system has the advantages of reducing total air volume of the system, reducing total air displacement, reducing heat consumption, saving energy, improving heat exchange efficiency, improving effective utilization rate of energy, improving productivity and the like. And the product quality is improved.
Owner:JIANGSU EFFUL SCIENCE AND TECHNOLOGY CO LTD

Cement clinker calcining and decomposing device

The utility model discloses a cement clinker calcining and decomposing device, which relates to the technical field of cement clinker production and comprises a supporting frame, a plurality of supporting rods are arranged on one side of the top end of the supporting frame, a fuel connecting cylinder is arranged at the top ends of the supporting rods, a feeding cylinder is arranged at one end of the fuel connecting cylinder, and a preheating assembly is arranged at the top end of the feeding cylinder. A fixing rod is arranged on the other side of the top end of the supporting frame, a discharging box is arranged at the top end of the fixing rod and connected with the feeding cylinder through a furnace cylinder assembly, and an exhaust pipe is arranged at the top end of the discharging box. According to the utility model, by arranging the preheating assembly, the cement raw material can be preheated, so that the cement raw material can reach the firing temperature more quickly, thereby effectively shortening the time required by calcination and decomposition, not only improving the production efficiency, but also reducing the heat consumption of clinker firing, and further improving the overall production benefit.
Owner:CHENGDE BBMG CEMENT CO LTD

Dust screen detection method and detection system for energy storage converter

The invention discloses a dust screen detection method and detection system for an energy storage converter, and belongs to the field of energy storage of new energy power systems. In order to overcome the defects that a detection device needs to be additionally arranged for existing dustproof net detection, and only fixed heat consumption of equipment can be detected through temperature difference judgment, an aging experiment is carried out before an energy storage converter leaves a factory, and an air volume flow reference value is obtained to enable the energy storage converter to reach a heat balance state; setting a second altitude of the current use place, enabling the energy storage converter to stably operate for a preset time length under a certain power, and calculating an air volume flow detection value at the moment; calculating a dust screen blockage reference value according to the air volume flow reference value and the air volume flow detection value; and presetting a dust screen blockage alarm threshold value, and judging the blockage condition of the dust screen according to a comparison result of the dust screen blockage reference value and the dust screen blockage alarm threshold value. The method is mainly used for detecting the blockage condition of the dust screen of the energy storage converter.
Owner:LBATTERYCLOUD CO LTD

Energy storage coupled solar high temperature heat pump steam supply digital twin system and method

This disclosure provides a digital twin system and method for solar high-temperature heat pump steam supply with energy storage coupling, belonging to the field of solar high-temperature heat pump technology. The system includes a data acquisition module, a time-series prediction module, a digital twin module, a system control module, and a feedback verification module. The data acquisition module collects and preprocesses historical and real-time multi-source data. The time-series prediction module predicts solar irradiance and heat consumption at multiple future moments based on machine learning. The digital twin module calculates future terminal parameters using real-time and predicted data based on a physical information model. The system control module generates and executes a heat pump advance control scheme based on optimization objectives. The feedback verification module compares actual and predicted parameters to correct the digital twin model. This invention achieves proactive prediction, advance control, and closed-loop optimization of industrial steam supply systems, solving the control lag and energy-saving optimization problems caused by solar energy volatility and complex system coupling.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

A method and system for monitoring abnormal behavior of a heat user

ActiveCN115423015BNeural learning methodsICT adaptationLearning machinePredictive learning
The application relates to a heat user abnormal behavior monitoring method and system. The method comprises the following steps: acquiring influence factors affecting heat consumption of a heat user, screening the influence factors, and determining a characteristic vector; preprocessing the characteristic vector to generate a preprocessed characteristic vector; dividing the preprocessed characteristic vector into a training set, a test set and a prediction set; constructing a variation prediction learning machine prediction model by using the training set; inputting the test set into the variation prediction learning machine prediction model to output optimal input layer weights and optimal hidden layer thresholds; inputting the prediction set, the optimal input layer weights and the optimal hidden layer thresholds into the variation prediction learning machine prediction model to determine a predicted value of the heat consumption of the heat user; acquiring an actual value of the heat consumption of the heat user, and determining a current operation state of the heat user according to a deviation between the predicted value of the heat consumption of the heat user and the actual value of the heat consumption of the heat user. The application can effectively improve prediction precision and improve monitoring accuracy.
Owner:GUODIAN HEFENG WIND POWER DEV CO LTD

Gas turbine heat rate soft measurement method and system based on machine learning model

The invention relates to the technical field of gas turbine efficiency, in particular to a gas turbine heat rate soft measurement method and system based on a machine learning model, and the method comprises the steps: collecting the operation parameters of a gas turbine in real time; establishing a heat rate model, and training the heat rate model to obtain a trained heat rate model; and inputting the extracted feature vectors into the trained heat rate model to obtain a heat rate prediction value. According to the method, feature extraction is carried out on the operation parameters, feature vectors with higher correlation with the heat consumption rate can be screened out, interference of redundant information on the model is reduced, and the prediction performance of the model is improved. The heat rate model is based on a machine learning model, common characteristics among different working conditions can be better captured, dependence on specific working conditions is reduced, and the accuracy of a predicted value is improved.
Owner:HUANENG (QINGYUAN) GAS TURBINE THERMAL POWER CO LTD +1

Method for calculating output power limit and semiconductor process equipment

ActiveCN119916859BMeet heating power requirementslimit volatilityTemperatue controlComplex mathematical operationsTemperature controlProcess equipment
The application provides an output power limit value calculation method and a semiconductor process equipment, which are applied to a heating disc, the heating disc comprising a first heating element and a temperature sensor, the temperature sensor being used for detecting the temperature of the first heating element, the method comprising: obtaining historical operation data of the first heating element; wherein the historical operation data comprises historical output power and a temperature value detected by the temperature sensor; determining a heat consumption power required when the first heating element is heated based on the output power and the heating speed of the first heating element in the historical operation data, taking the heat consumption power as a power lower limit value of the first heating element in the heating stage; and calculating a heat supply power of the first heating element at a preset heating speed based on the heat consumption power, taking the heat supply power as a power upper limit value of the first heating element in the heating stage. The application can avoid large fluctuations in the temperature of the first heating element, and improves the stability of temperature control.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Control method and device of heat supply system, electronic equipment and storage medium

The invention discloses a control method and device of a heat supply system, electronic equipment and a storage medium, and relates to the technical field of control. According to the control method and device of the heat supply system, due to the fact that a physical model covering a heat source, a pipe network, a heat exchange station and a user side can be constructed to generate accurate operation reference parameters, limitation of a static model is avoided; the short-term heat load is predicted by fusing meteorological, historical heat consumption and user type data, and a dynamic regulation and control target is obtained; a time-phased on-demand strategy is formulated through deviation comparison, a control instruction is generated for execution, dynamic closed-loop control is formed, and the problems of hysteresis of manual experience decision making and no closed-loop control are solved; the technical effects of improving the matching degree of the heat source output and the heat load, improving the hydraulic equilibrium state of the pipe network, reducing the regulation and control instruction delay, improving the heat supply efficiency and optimizing the heat supply service experience of the user are achieved.
Owner:NORTHERN UNITED POWER CO LTD HOHHOT JINQIAO THERMAL POWER PLANT

Cement clinker production line preheater system

The application discloses a cement clinker production line preheater system, which comprises several stages of cyclone cylinders and connecting pipelines and a decomposing furnace, wherein a C1 waste gas pipeline is connected to the flue gas outlet of the C1 cyclone cylinder, and a heat exchanger for preheating raw materials is connected to the outlet of the C1 waste gas pipeline; the raw materials enter the heat exchanger and exchange heat with high-temperature flue gas from the outlet of the C1 cyclone cylinder, the preheated raw materials enter a C2-C1 connecting pipeline through the outlet material pipe of the heat exchanger, and the cooled flue gas enters a kiln tail waste gas pipeline. The raw material heat exchanger is externally arranged after the C1 cyclone cylinder at the top, so that the system can be changed into a six-stage or more-stage preheater on the basis of the existing five-stage preheater without additionally increasing a layer of kiln tail frame, the system has high heat recovery efficiency, and heat consumption is reduced.
Owner:SINOMA INT ENG

A heat storage control method of a solar micro-grid, a storage medium and a program product

The application provides a heat storage control method of a solar micro-grid, a storage medium and a program product, wherein the method comprises the steps of obtaining total predicted heat energy consumption in a target time period, and performing heat storage control on the solar micro-grid according to the total predicted heat energy consumption. According to the technical scheme of the application, users are classified according to historical heat energy consumption sequences, so that the heat energy equipment of each user type can reflect the heat energy consumption change of different user types after heat energy business is handled by using a growth model. Therefore, in the process of obtaining total predicted heat energy consumption in the target time period, not only the heat energy consumption change of the users in the transition period after the heat energy business is handled is considered, but also the differences between the heat consumptions of different types of users are considered, so that the accuracy of the total predicted heat consumption in the target time period can be improved, and the reliability of the solar micro-grid control can be improved.
Owner:HENAN JUAN HEATING TECH CO LTD

Thermal power generating unit energy efficiency sequencing method based on full-capacity electric power spot environment

The invention provides a thermal power generating unit energy efficiency sorting method based on a full-capacity electric power spot environment, and the method comprises the steps: collecting the power climbing, inertia response, frequency modulation capability, reactive power support and other characteristic parameters of a unit, and constructing a support characteristic database; a normalization and quantitative modeling method is adopted to form a multi-dimensional feature matrix; energy efficiency indexes such as the heat consumption rate, the fuel consumption rate and the exhaust steam enthalpy value are fused through reinforcement learning, and a dynamic energy efficiency characterization model is established; collaborative optimization is carried out by using an ant colony algorithm, and global optimization of energy efficiency sorting is realized by combining pheromone updating and reward feedback; key features are further extracted through principal component analysis, feature importance is calculated, and sensitive parameters are recognized; and finally, performing consistency verification and explanation on a sorting result based on a mean absolute error (MAE) and a Pearson's correlation coefficient (PCC), and outputting a unit energy efficiency explanation matrix and an abnormal report.
Owner:CHN ENERGY SHANDONG POWER CO LTD +1

A steam turbine energy-saving operation adjustment method and system based on a shadow ledger

The present application relates to a kind of shadow account-based steam turbine energy-saving operation adjustment method and system, belong to coal-fired unit steam turbine adjustment technical field.It includes the following steps: collecting unit steam turbine side operating parameters and encapsulating as cold end regenerative state package, construct corresponding different heat loss causes shadow entry, calculate each entry heat loss value and sort generation shadow account book;Combining with equipment safety boundary, parameter coupling relationship, parameter effect time delay etc.Construction parameter linkage corridor, under the corridor constraint, shadow entry is parsed into adjustment action and is sorted to form serial operation sequence, is issued to distributed control system execution;Collecting adjusted operating parameter feedback generation operation receipt, dynamically update shadow entry actionable confidence and parameter linkage corridor, and data is stored in historical strategy library.The present application can realize heat loss unified quantization sorting and multi-parameter collaborative safety adjustment, form self-learning iterative closed loop, effectively improve unit operation stability, reduce coal-fired unit heat consumption.
Owner:HUANENG LUOYUAN POWER GENERATION CO LTD

Method for calcining cement clinker under hydrogen- and oxygen-enriched conditions

PCT designated stageWO2026025432A1Hydrogen combustionClinker (cement)
Disclosed in the present invention is a method for calcining cement clinker under hydrogen- and oxygen-enriched conditions. In the method, oxygen-enriched combustion is used at a kiln head of a rotary kiln, the oxygen-enriched combustion is realized by a first energy supply unit and an oxygen supply unit, and the oxygen supply unit delivers oxygen into a third pipe and a fourth pipe by means of a first branch and a second branch to increase the oxygen content of conveyed air, thereby realizing oxygen-enriched combustion at the kiln head. Hydrogen-enriched combustion is used in a decomposition furnace, the hydrogen-enriched combustion is realized by a hydrogen supply unit, and the hydrogen supply unit supplies hydrogen as a final combustion agent into the decomposition furnace at a kiln tail to realize hydrogen-enriched combustion. The present invention can increase the temperature of the flame at the kiln head, promotes burnout of fuel at the kiln head and kiln tail, improves energy utilization efficiency, decreases the resistance of a system, reduces heat consumption and power consumption, achieves carbon emission reduction in the cement industry, and has good economic and social benefits.
Owner:TIANJIN CEMENT IND DESIGN & RES INST CO LTD +1

Geothermal heating system integrating electricity price response and heat storage scheduling strategy

The invention discloses a geothermal heat supply system integrating electricity price response and a heat storage scheduling strategy, belongs to the technical field of geothermal heat supply, and can solve the problems that an existing single geothermal heat supply system is low in efficiency and poor in stability. The system comprises a deep geothermal well; a photo-thermal module; the temperature commutator comprises an inlet end and a plurality of outlet ends; the deep geothermal well and the photo-thermal module are both communicated with the inlet end; the temperature reverser is used for detecting the temperature of the heat exchange fluid at the inlet end and controlling the outflow direction of the heat exchange fluid according to the temperature; the heat storage module comprises a heat storage heating unit and a heat storage water supply unit which are connected to different outlet ends of the temperature reverser, and the heat storage temperature of the heat storage heating unit is higher than that of the heat storage water supply unit; and the control module is used for controlling the deep geothermal well and the photo-thermal module to store heat to the heat storage module in the valley electricity period of the heat consumption valley period and controlling the heat storage module to release heat to the user side in the peak electricity period of the heat consumption peak period. The device is used for geothermal heat supply.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

Multi-burner blast furnace slag powder suspension calcining system

The present application relates to a kind of multi-burner blast furnace slag powder suspension calcining system, including suspension calciner, cyclone separator and grading tank, combustion-supporting gas passes into the lower end of grading tank and the lower end of suspension calciner by shunt box, slag powder is injected from the upper end of grading tank, the upper end of suspension calciner is communicated with cyclone separator inlet, multiple burners arranged in upper and lower and multiple feeders arranged in upper and lower are equipped in suspension calciner, feeder includes feed box and the feed pipe that is communicated feed box and grading tank, the lower end of the feed box is opened with feed opening, the present application realizes grading and burns, more beneficial to material dispersion, uniform distribution and furnace temperature control, increase the mixing of material and fuel, improve the fuel burn rate, reduce the heat consumption of system.Quantitative adjustment can be carried out according to overall operation and each index, fine control, provide the possibility for large space low nitrogen calcination, effectively reduce the content of NOx in export exhaust gas, reduce the generation of harmful substances, realize ultra-low emission, save cost.
Owner:SHANDONG LUBI BUILDING MATERIALS CO LTD

Snow-melting agent granulator

The utility model discloses a snow-melting agent pelletizer which comprises a pelletizer body, the pelletizer body comprises a raw material processing and mixing device used for mixing raw materials, a pelletizing device used for direct pelletizing and forming and a discharging pipeline used for discharging snow-melting agent particles, and a drying mechanism is installed in the pelletizing device. A heat conduction mechanism is installed between the discharging pipeline and the raw material processing and mixing equipment and comprises a heat conduction assembly and a collecting assembly, the heat conduction assembly comprises an air pump, and a first air inlet pipe is installed at the air suction end of the air pump. Compared with the prior art, the snow-melting agent granulator disclosed by the utility model has the advantages that when snow-melting agent particles are discharged from the discharging pipeline, the heat lost by the snow-melting agent particles is collected and then conveyed to the raw material processing step of the snow-melting agent, so that the raw materials can be fully mixed; meanwhile, heat consumption of part of raw materials needing to be mixed after being heated and melted is reduced, energy waste is reduced, and more energy conservation, emission reduction and environmental protection are achieved.
Owner:LIANYUNGANG JIALAI NEW MATERIALS TECHNOLOGY CO LTD

Steam condensation recovery system, method and device of oil field united station

The invention relates to the technical field of steam treatment of oil field united stations, in particular to a steam condensation recovery system, method and device of an oil field united station. Comprising a crude oil assembly, a crude oil primary heating assembly, deoxidizing equipment, a steam boiler and a steam user, the crude oil assembly is communicated with the crude oil primary heating assembly through a pipeline, and the crude oil primary heating assembly is communicated with the steam user through a pipeline; the deoxidizing device is provided with an inlet and an outlet, the steam boiler is also provided with an inlet and an outlet, the crude oil primary heating assembly is further communicated with the inlet of the deoxidizing device through a pipeline, the outlet of the deoxidizing device is communicated with the inlet of the steam boiler, and the outlet of the steam boiler is communicated with a steam user; the condensate flowing out of the steam user is recycled, and the recycled condensate is used as a heat source of the crude oil to heat the crude oil, so that the heat consumption of the condensate in the production process can be reduced, the energy consumption is effectively reduced, remarkable energy-saving benefits are obtained, and the production cost is saved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Design method of solar energy-electric energy-air thermal energy coupling system and related equipment

The embodiment of the invention provides a design method of a solar energy-electric energy-air heat energy coupling system and related equipment, and belongs to the technical field of low-carbon green manufacturing and energy-saving optimized operation. Aiming at the problems of high production energy consumption, low clean energy utilization efficiency, high system operation cost and high carbon emission of a prefabricated part factory, the method comprises the following steps: establishing a production-energy collaborative optimization model, integrating photovoltaic power generation, solar heat collection, an air source heat pump and a heat storage module, and establishing an electricity-heat consumption model and system energy balance relationship; and setting an optimization function and production and equipment constraints aiming at reducing the operation cost and the full-life-cycle carbon emission. And a multi-target intelligent optimization algorithm is adopted for solving, and collaborative optimization of production scheduling and energy configuration is realized. By applying the method, the photovoltaic on-site consumption rate can be remarkably increased to 80% or above, compared with a traditional energy supply mode, the operation cost is reduced by 95% or above, carbon emission is reduced by 30% or above, and remarkable energy-saving, economic and environment-friendly benefits are achieved.
Owner:SOUTH CHINA UNIV OF TECH +1

Multi-channel bridging discharge method, device, equipment and storage medium

The invention provides a multi-channel bridging discharging method, device and equipment and a storage medium, and the method comprises the steps: obtaining the electrical parameter data of the input end and the output end of each output channel of a charger, and generating a state parameter group through the joint analysis of the electrical parameter data and the remaining capacity of a battery; constructing a bridging path between the target energy supply channel and the target energy discharge channel according to the connection relationship between the state parameter group and the buck-boost circuit; and the electric energy of the battery is transmitted to the high-power external resistor for discharging by sending a pulse width modulation control signal to the buck-boost circuit of the bridge path. According to the invention, the internal heat consumption discharge mode of the charger is converted into high-power external resistor heating to consume electric energy, and the discharge efficiency can be effectively improved while the service life of the charger is protected.
Owner:SIWEI FUTURE TECH (SHENZHEN) CO LTD

Intelligent heat supply charging method and system based on multi-dimensional data

The invention provides an intelligent heat supply charging method and system based on multi-dimensional data, and relates to the technical field of heat supply management, and the method comprises the steps: receiving a house building area and heat use state selection instruction sent by a user, so as to determine an area step coefficient and a heat use state coefficient, the dynamic basic cost is calculated by combining the house building area, the unit area reference heat supply cost and the number of heat supply days; the accumulated heat consumption amount and the indoor temperature setting interval of the user in each unit time period are obtained; the temperature coefficient of the indoor temperature is determined according to the indoor temperature setting interval in the target unit time period, and the dynamic heat consumption cost of the target unit time period is calculated in combination with the accumulated heat consumption amount in the target unit time period and the billing unit price of the heat supply time period; and calculating a heat supply expense bill of the user based on the dynamic basic expense and the dynamic heat consumption expense of all unit time periods in the heat supply period. The charging fairness and the cost matching degree can be improved, users are guided to use heat in an off-peak mode, temperature is controlled moderately, and the energy-saving excitation effect is enhanced.
Owner:HUANENG CLEAN ENERGY RES INST +1

A method for constructing a return water temperature prediction model for ground radiation terminal regulation

The patent discloses a return water temperature prediction model construction method for ground radiation terminal regulation. By using users with room temperature monitoring, a return water temperature basic prediction model of various users is established. The time variable and indoor temperature are included in the input characteristics, fully considering the influence of personnel behavior on the prediction result, and effectively improving the prediction accuracy of the return water temperature. For users without room temperature monitoring, the users are classified from the perspective of consistent heat load demand, and a two-stage prediction model is designed. The return water temperature basic prediction model is established by using the room temperature monitoring households. Considering the difference of ground radiation heat dissipation performance and the difference of user behavior, the ratio and difference of daily heat consumption of the representative household and the prediction household are introduced into the input characteristics, and a return water temperature difference prediction model of the two is established. The personalized prediction model of the prediction household return water temperature is obtained by adding the basic prediction model and the difference prediction model.
Owner:TIANJIN UNIV

A self-denitration system and process for self-adjusting temperature and air coefficient in a decomposition furnace

The present application relates to the technical field of cement kiln waste gas emission control, in particular to a self-denitrification system and process with self-adjustment of temperature and air coefficient in a decomposing furnace, which comprises: a rotary kiln and a flue; a denitrification furnace comprising a denitrification cone part and a denitrification cylinder part; a decomposing furnace comprising a lower decomposing cylinder and an upper decomposing cylinder, the inner diameter of the lower decomposing cylinder being larger than that of the denitrification cylinder part, and a decomposing cone part being arranged between the lower decomposing cylinder and the denitrification cylinder part; a necking structure being arranged between the lower decomposing cylinder and the upper decomposing cylinder; a tertiary air pipe comprising a lower branch pipe and an upper branch pipe; and a material distribution structure for conveying raw materials to the decomposing furnace and the denitrification furnace. The present application avoids skinning and uneven mixing of flue gas, forms a cyclone effect in the decomposing furnace, strengthens the mixing of combustion-supporting air and flue gas, accelerates the burnout of fuel to reduce heat consumption, realizes precise control of the distribution ratio, precisely adjusts the temperature field in the denitrification furnace and the decomposing furnace, and provides a stable high-temperature area for NOx reduction and fuel combustion.
Owner:CHENGDU DESIGN & RES INST OF BLDG MAT IND CO LTD

Boiler waste heat recovery device

The application discloses a boiler waste heat recycling device and relates to the technical field of waste heat utilization and environmental protection, which comprises a boiler module and a waste heat recycling module; the waste heat recycling module is used for recycling the heat in flue gas after fuel combustion in the boiler module and recycling the heat for fuel combustion; the waste heat recycling module comprises a protective shell, and a first heat conduction component, a second heat conduction component, a heat exchange component, an air injection component and a pressure increasing component are installed in the protective shell. The application has the advantages that the flue gas waste heat is recycled in two stages, the first stage recycling is used for heating air entering a combustion chamber, reducing invalid heat consumption and improving combustion efficiency, and the second stage recycling is used for increasing the air pressure entering the combustion chamber, so that the contact area of fuel and air is expanded, fuel combustion is more sufficient, the waste heat recycling rate is higher, and the utilization effect is more obvious.
Owner:YILI CLEAN ENERGY TECH (YINGSHANG) CO LTD

server

The embodiment of the application provides a kind of server, the server includes heat dissipation device and at least one server node.Each server node includes at least one heating device. Heat dissipation device includes first pipe, second pipe, at least one flow regulating valve, at least one male connector.Each server node is further provided with liquid inlet and liquid outlet, liquid outlet is communicated with second pipe, liquid inlet is communicated with the output end of flow regulating valve, and the input end of flow regulating valve is communicated with first pipe by male connector. Wherein, flow regulating valve is used to control the flow of cooling medium into server node, and cooling medium is used to exchange heat with heating device. Therefore, the setting of flow regulating valve solves the problem that the flow of cooling medium cannot be flexibly adjusted according to the heat consumption of heating device.
Owner:XFUSION DIGITAL TECH CO LTD

Carbon baking furnace cover plate

The application discloses a carbon baking furnace cover plate and relates to the technical field of industrial kiln, which comprises a cover body, a plurality of ceramic fiber modules and a plurality of anchoring pieces. The carbon baking furnace cover plate has the advantages that the bottom frame of the cover body is connected with four side frames, and the plurality of ceramic fiber modules are installed in the cover body through the plurality of anchoring pieces, so that compared with the cover plate made of refractory bricks or castable material in the prior art, the weight of the cover plate is greatly reduced, the opening and closing of the cover plate are facilitated, the manufacturing process of the cover plate is simple, and the construction is convenient; and the ceramic fiber modules have low heat storage and excellent heat insulation performance, the heat consumption in the carbon baking furnace is reduced, and the heat preservation effect is improved.
Owner:山西阿拉丁新材料有限公司 +1