220 results about "Heat consumption" patented technology

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.

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.

The invention discloses a heat supply system for mine building heat supply and shaft freezing prevention, comprising: a heat collection module for collecting heat by using solar energy; the heat storage module exchanges heat with the heat collection module, is used for storing the heat source transferred by the heat collection module and can transfer the heat source to a heat terminal for the mining area building for heating around the clock; the power supply module is used for generating power by using solar energy and storing electric energy; and the wellhead heating modules are arranged at the shaft positions of the main inclined shaft and the auxiliary inclined shaft, and heat exchange is conducted between the wellhead heating modules and the heat storage module. The water source heat pump is used for heating the main inclined shaft and the auxiliary inclined shaft, comprehensive utilization of energy is achieved, a photovoltaic renewable power source is built in combination with the mining area space to provide clean power for mining area heat supply and power utilization systems such as the water source heat pump, and when the mining area power load and the heating load are low in the non-heating season, the water source heat pump can be used for heating the heat storage system. Zero-carbon heat supply for mine area building heat supply and shaft freezing prevention is achieved.

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.

The invention relates to a method and a system for producing ceramsite by comprehensively utilizing coal-based solid waste. The method specifically comprises the following steps: 1) a two-step pelletizing process; 2) fluidized drying and preheating process; 3) a fluidized cooling process; and 4) application of the biomass fuel in ceramsite production. The method has the advantages that (1) when the coal-based solid waste is treated in the prior art, the (air dry basis) proportion is about 60%, and the coal gangue proportion can be increased to 70%-95%; (2) the cylinder compressive strength of the coal-based high-strength ceramsite produced in the prior art is mostly 3.0-10.0 MPa, and the cylinder compressive strength can be improved to 12.0-25.0 MPa by applying the technology, so that the requirements of the high-strength ceramsite are easily met; (3) the heat consumption (the product of the mass consumed by unit ceramsite and the accumulated value of the heat value of the ceramsite) in the prior art is averagely about 4500 KJ / kg, and the firing heat consumption of the ceramsite is reduced to below 2781 KJ / kg; and (4) the main fuel of the invention is biomass fuel which is a clean and renewable energy form.

The invention discloses an immersion phase change cooling device and cooling method for a net-forming type energy storage converter. The device comprises a power module phase change cooling unit, a condensation module, a liquid storage tank and a heat exchanger, the power module heating element is soaked in a refrigerant of the power module phase change cooling unit, the refrigerant absorbs heat and is heated to generate phase change vaporization, and a liquid refrigerant is converted into a gas refrigerant to be used for reducing the temperature of the power module heating element. A gaseous refrigerant flows to a condensation module, the condensation module exchanges heat with the gaseous refrigerant, so that the gaseous refrigerant is converted into a liquid refrigerant through phase change, and the liquid refrigerant flows to a heat exchanger and exchanges heat with air in the cabinet to reduce the temperature of elements in the cabinet; and the liquid refrigerant continues to flow into the power module phase change cooling unit to cool the power module, so that the immersion phase change cooling circulation process of the structure network type energy storage converter is realized. According to the invention, through phase-change heat exchange, the heat dissipation problem of sudden increase of heat consumption caused by short-time multi-time overload of the grid-forming type energy storage converter is solved, and the heat dissipation efficiency and reliability are improved.

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.

A collaborative optimization method for an Electric and Heating Networks (EHN) and a building user includes: establishing a coordinated optimization scheduling framework of the EHN and a building in a park; based on the coordinated optimization scheduling framework, constructing an optimal thermal power flow scheduling model of the EHN, and constructing a building model to simulate thermal characteristics and energy consumption of the building; based on the optimal thermal power flow scheduling model and the building model, taking the lowest operation cost of EHN and the lowest heat consumption of building user as a goal, constructing a collaborative optimization model of the EHN and the building user; outputting a collaborative optimization scheme of the optimal thermal power flow scheduling of the EHN and the heat consumption of the building user through the collaborative optimization model of the EHN and the building user.

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.

The invention relates to an absorption stabilization system and a separation method of a wax oil hydrocracking unit, which are characterized in that an original naphtha separation tower is changed into a heavy naphtha tower, a feed stream is adjusted into a mixture of top oil of a steam stripping tower, top oil of a pre-fractionating tower and top oil of a main fractionating tower, and heavy naphtha is produced at the bottom of the tower; tower top distillate and tower bottom oil of the deethanizer are mixed and then enter a debutanizer, liquefied gas is obtained at the tower top after separation, light naphtha is obtained at the tower bottom, and part of the light naphtha serves as an absorbent to be recycled. By changing the top oil feeding position of the main fractionating tower, reducing the processing amount and the energy consumption of the debutanizer, and adopting pure light naphtha as an absorbent in the absorption tower, the adsorption effect is better, and the composition of the bottom of the debutanizer is changed, so that a reboiling heat source is changed from middle-section reflux of the main fractionating tower to product diesel oil, and the heat consumption level is reduced. The method does not change the reaction and main fractionating tower system process, has strong applicability in the aspects of new device construction and old device transformation, effectively solves the problem of high energy consumption in the traditional process, and improves the overall benefits of the device.

The present application relates to the field of blast furnace alchemy technology and discloses a method for using blast furnace coal powder. The method comprises: obtaining a first type of coal powder, burning the first type of coal powder through a blast furnace; calculating a first effective value for the heat supply of the blast furnace tuyere raceway; calculating a second effective value for the heat supply of the blast furnace block belt; calculating a heat consumption value of the blast furnace slag-iron interface; calculating an evaluation value K of the first type of coal powder based on the first effective value, the second effective value, and the heat consumption value; obtaining multiple groups of coal powders of different types, and calculating the corresponding evaluation values K of the multiple groups of coal powders in turn; the blast furnace selects suitable coal powder for use based on the evaluation value K. The present application calculates the corresponding evaluation value K of different types of coal powders, evaluates the impact of coal powder on various areas of the blast furnace through the evaluation value K, and the purchasing personnel select the appropriate type of coal powder for purchase and use based on the evaluation value K.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention relates to an energy-saving operation control optimization method and system for a thermal power plant, and relates to the field of thermal power plant energy-saving optimization. And performing operation energy-saving evaluation calculation by using the thermal fuzzy coefficient sequence, the power utilization fuzzy coefficient sequence, the heat supply fuzzy coefficient sequence and the power supply fuzzy coefficient sequence to obtain thermoelectric energy-saving fitness. And according to the thermoelectric energy-saving fitness, the operation parameters are adjusted and optimized, and the optimal operation parameters are obtained for energy-saving operation control. The technical problem that the energy utilization efficiency of the thermal power plant is low due to the fact that matched operation parameters cannot be adjusted and set in real time according to the actual heat and electricity supply and demand states in a traditional thermal power plant operation control method can be solved; the timeliness and accuracy of operation parameter setting can be improved, the optimal energy scheduling is realized, and the technical effects of high efficiency and energy conservation are achieved.

The invention provides a coking heat consumption fluctuation monitoring method, device, equipment and medium, and the coking heat consumption fluctuation monitoring method comprises the following steps: obtaining blended coal component information, coal charging parameter data, gas calorific value information and coke oven heating data, calculating initial coking heat consumption according to the coal charging parameter data, the gas calorific value information and the coke oven heating data; according to the coal gas calorific value information, the blended coal component information and the coke oven heating data, correcting the coal gas calorific value, coal moisture and coal volatile components in the initial coking heat consumption to obtain corrected coking heat consumption, and comparing the corrected coking heat consumption with a coking heat consumption target value to obtain a fluctuation monitoring result of the corrected coking heat consumption; according to the method, the corrected coking heat consumption can be calculated, so that the accuracy of the corrected coking heat consumption is improved, the fluctuation monitoring result is obtained in time, and coking technicians can conveniently obtain the fluctuation condition of the coking heat consumption in time.