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268 results about "Heat supply" patented technology

The heating supplies category primarily focuses on hydronic heating products, or those that help transfer heat with the use of water. These products include items found in a boiler room, including boilers, mixing valves, pumps, switching relays, and zone valves. It also includes products that deliver heat including baseboard and kickspace heaters.

Solar dual phase change cascade heat storage system under oilfield continuous heat load scene

PendingCN122384302ALatent heat storageThermal energy storage system
The application provides a solar double-phase-change cascade heat storage system under an oilfield continuous heat load scene, and relates to the technical field of solar heat storage. The system comprises a heat collection, double-phase-change cascade heat storage, heat supply and flow control subsystem. The double-phase-change cascade heat storage subsystem is provided with first and second phase-change heat storage tanks with different phase-change temperatures in parallel. The flow control subsystem switches the fluid path based on the dynamic comparison criterion of the heat collection and heat storage temperatures, and directs the solar energy into the double tanks for cascade latent heat storage according to the heat energy grade. The heat supply subsystem guides the cold crude oil to sequentially absorb the heat released by the double tanks to perform cascade heating. The application overcomes the defect of low fluctuating solar energy capture rate of the traditional single-phase-change system, greatly reduces the irreversible exergy loss of heat transfer through cascade heat storage and release, improves the comprehensive utilization rate of full-band solar energy, and realizes efficient and low-carbon heat supply for oilfields.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A method and system for balancing the supply of heat to end users

The present application relates to the technical field of heat supply balance management, in particular to a heat supply balance management method and system for end user heat supply. The method comprises the following steps: S1, a heat supply global data acquisition model is built, heat supply pipeline data is collected, and an end user list is obtained according to the heat supply pipeline data; outdoor temperature and historical heat supply temperature of each end user are synchronously obtained; independent temperature periods are divided according to the outdoor temperature value; the same heat supply scheme is adopted for classification and elimination of regulation and control interference; temperature differences of different users are compared under the same heat supply condition; exclusive heat loss coefficients of each household are quantitatively generated; heat loss differences caused by floors, orientations and wall heat preservation can be accurately distinguished; user target heat supply temperature is dynamically corrected according to the heat loss coefficient; the temperature correction range of users with large heat loss is increased, and the correction range of users with excellent heat preservation performance is reduced; the uneven heating and cooling problem caused by inconsistent heat dissipation of different houses is solved from the heat loss level of the user itself.
Owner:HANGZHOU NENGTAN ZHILIAN TECHNOLOGY CO LTD

A heat supply joint control method and system based on heat network system load prediction

The application provides a heat supply joint control method and system based on heat network system load prediction, and belongs to the technical field of data processing. The method comprises the following steps: performing grid division on a target heat network system heat supply coverage area according to heat supply shunt to obtain a plurality of heat supply areas; performing grade division according to heat supply demand attribute proportion conditions to obtain a first heat supply area and a second heat supply area; obtaining first demand load information; obtaining a historical load information set of the second heat supply area; performing data analysis on a plurality of historical area load information sets to generate a plurality of target feature sets; obtaining real-time feature values of the second heat supply area; inputting the load prediction model to obtain a plurality of second prediction load demands; and performing heat supply joint control on the target heat network system. The application solves the problems of long joint control period and low intelligent degree when heat supply is insufficient in the prior art, and achieves the technical effect of efficiently performing differentiated heat supply in the process of joint control of heat supply units to ensure heat supply.
Owner:NANJING HUAZHU INTELLIGENT TECH CO LTD

A method and system for evaluating centralized operation of heating based on multi-source data

The present application belongs to the technical field of heat supply centralized operation evaluation, and particularly relates to a heat supply centralized operation evaluation method and system based on multi-source data. When the verification information generated based on the historical operation data of multiple heat supply devices is classified as abnormal class verification information, a call switching operation is performed, which includes: determining a corrected call load for a call area according to the dynamic load data of the multiple heat supply devices; and identifying devices capable of carrying the corrected call load in the normal area. The heat supply devices are divided into a call area and a normal area according to the call load, and the current output load of the devices in the call area before switching is calibrated as a reference load for calculating the corrected call load. The present application improves the timeliness and accuracy of operation state evaluation, the precision of load scheduling, and the stability and reliability of system operation by actively identifying abnormalities, accurately correcting call load, and verifying carrying capacity.
Owner:BEIJING DISTRICT HEATING GRP CO LTD

A medium-deep geothermal energy heating system

PendingCN122447852AHeating systemWater pipe
The present application belongs to the technical field of heat supply, and discloses a kind of middle-deep geothermal energy heat supply system, including well site system and plant station system;Production well of well site system is connected with hot water supply pipe by hot water supply branch pipe, and recharge well is connected with hot water return pipe by hot water return branch pipe, and hot water supply branch pipe and hot water return branch pipe are connected with first sedimentation tank;Plant station system includes two heat exchangers connected in series on geothermal pipe, and the heat exchanger is heat exchanged with municipal water return pipe and municipal water supply pipe;Hot water supply pipe and hot water return pipe are connected with one heat exchanger respectively;Municipal pipeline is connected with two heat exchangers respectively, wherein heat pump unit is connected between second heat exchanger and municipal pipeline, and the heat pump unit includes three heat pumps connected in series on medium pipe and municipal branch pipeline, and the plant station system further includes second sedimentation tank, and hot water return pipe and geothermal pipe are connected with second sedimentation tank.The present application has the technical effects of ensuring stable operation of the system and reducing the operating cost of the heat pump system.
Owner:JINAN MUNICIPAL ENG DESIGN & RES INSITITUTE GRP

A district heating mixed flow tank based on spoiler structure optimization

The application belongs to the technical field of heat supply equipment, and provides a regional heat supply mixing tank based on turbulence structure optimization, which comprises a first turbulence component and a second turbulence component arranged in a tank body along a water flow direction; the first turbulence component is located behind a low-temperature water inlet and behind a high-temperature water inlet, and is used for blocking the channel of cold water sticking to the bottom and actively inducing to the middle or upper part of the tank body; the second turbulence component is located in front of a medium-temperature water outlet, and is used for forcibly turning and cutting the mixed fluid about to flow out, so as to realize the thermal deviation homogenization of the mixed fluid. The mixing tank is used for hydraulic decoupling and heat mixing of a primary circuit and a secondary circuit of a heat network, and the internal turbulence structure is additionally arranged and optimized to eliminate the thermal stratification phenomenon in the tank, and then the temperature uniformity of the water outlet is improved.
Owner:NORTHEAST FORESTRY UNIV

Heat supply equipment

The invention discloses heat supply equipment. The heat supply equipment comprises a gas water heater; the hot water heat dissipation assembly is arranged in the bathroom and comprises a shell, a hot water assembly and a heating assembly, and the hot water assembly and the heating assembly are arranged on the shell; the water pipe assembly comprises a hot water pipe, a cold water pipe and a water return pipe, the first end of the hot water pipe is communicated with a hot water outlet of the gas water heater, the second end of the hot water pipe is communicated with the hot water assembly and the heating assembly, and the first end of the cold water pipe is communicated with a water supply pipeline outside the heating equipment; the second end of the cold water pipe is communicated with the hot water assembly, the first end of the water return pipe is communicated with a water return inlet of the gas water heater, and the second end of the water return pipe is communicated with the heating assembly. According to the heating equipment, the hot water assembly and the heating assembly are integrally arranged in the bathroom, so that the gas water heater can provide bathing hot water and heating hot water for the bathroom at the same time, and the structure is simple and compact.
Owner:VATTI CORP LTD

Control method and system for hydraulic control butterfly valve of heat supply system based on dcs

The present application relates to the technical field of hydraulic control butterfly valves, and in particular to a control method and system for a hydraulic control butterfly valve of a heat supply system based on DCS. The method comprises: establishing a plurality of equipment points on the basis of equipment parameters of a heat supply system, and setting a control sub-model for each of the equipment points; setting a primary control strategy for each of the equipment points on the basis of all control sub-models, and on the basis of working condition parameters, determining whether to generate a correction instruction; acquiring a feedback parameter for each of the equipment points, generating an operational risk value for each of the equipment points, and on the basis of all operational risk values, determining whether to generate an early warning instruction; and adding a control sub-module for each hydraulic control butterfly valve in the heat supply system based on DCS control to realize individual control of each hydraulic control butterfly valve, and by adding a feedback sub-module, adding an angular displacement sensor at an actuator to synchronously transmit an actuator displacement signal with an original sensor, thereby realizing precise monitoring of each hydraulic control butterfly valve, providing timely early warning of potential faults, and ensuring safe operation of the system.
Owner:HUANENG TAIYUAN DONGSHAN GAS TURBINE COGENERATION CO LTD

A boiler apparatus for a heating network engineering with a heat recovery structure

The utility model relates to the technical field of heat supply network engineering, disclose a kind of boiler equipment with heat recovery structure for heat supply network engineering, including fixed bolster, the top of the fixed bolster is fixedly installed with boiler body, the surface of the boiler body is provided with recovery subassembly, the top of the fixed bolster is provided with two groups of fixed subassembly of symmetrical arrangement, the recovery subassembly includes heat conducting plate, the inside of the heat conducting plate is provided with water storage cavity, one end of the heat conducting plate is fixedly connected with water inlet pipe, the water inlet pipe is communicated with tee pipe in the end away from heat conducting plate, the end away from water inlet pipe of the heat conducting plate is fixedly connected with drain pipe. The utility model by heat conducting plate absorption boiler body surface heat energy, make the water inside water storage cavity be heated, heated water source is discharged into external pipeline by drain pipe, for heating system or hot water supply system, avoid boiler body surface heat energy waste, improve energy utilization ratio, reduce the influence caused to surrounding environment temperature simultaneously.
Owner:SHAANXI HUWANGDA THERMAL ENERGY CO LTD

Automatic temperature adjustment heating system for electric arc furnace cooling circulating water

The utility model is suitable for circulating water utilization technical field provides utilizes electric arc furnace cooling circulating water automatic temperature regulation heat supply system, including circulating water pool, electric arc furnace, first water pump, floor heating pipeline and two second water pumps, be provided with first circulation pipeline between circulating water pool and the cooling system of electric arc furnace, first water pump is established in the input pipeline of first circulation pipeline, be provided with a plurality of V type heat pipe in circulating water pool, be provided with second circulation pipeline between a plurality of V type heat pipe and floor heating pipeline, two second water pumps are established in the input pipeline of second circulation pipeline, the output pipeline of second circulation pipeline is close to the side that circulating water pool set up first temperature sensor, be provided with refrigerator in circulating water pool, there is second temperature sensor on circulating water pool, the utility model utilizes electric arc furnace cooling water's heat to heating in the floor heating pipeline of heating water, thereby can save electric power cost, really achieve energy saving and emission reduction, green production.
Owner:HENAN SHAOXIN NEW MATERIALS CO LTD

A method and system for drying vermicelli by using multi-thermal energy cooperative heating regulation

PendingCN122447924ALoad following power plantBiomass c
The present application relates to vermicelli drying technical field, disclose a kind of vermicelli drying with multiple heat energy synergic heating regulation method and system, the method includes: collection light intensity, multiple point temperature data and environmental humidity, and obtain power grid peak valley signal and biomass fuel data;Determine sensible heat load demand and water evaporation latent heat load and superimpose, determine heat supply gap and target heat supply power;Determine operation cost weight based on power grid peak valley signal, determine fuel continuous heat supply duration based on biomass fuel data;According to operation cost and fuel continuous heat supply duration, determine comprehensive evaluation index;Adjust the heat supply priority order of solar energy, electric energy and biomass energy, determine target auxiliary heating mode;According to target heat supply power, the target auxiliary heating mode is adjusted by power ramp;And adjust the operating frequency of circulating fan.The present application realizes the synergic utilization between multiple energy, improves the stability and energy utilization efficiency of drying process.
Owner:GANSU YIGUFANG FOOD CO LTD

A heat supply pipeline insulation airtightness detection device

ActiveCN224499864UHeat conservationPipe insulation
The utility model discloses a heat supply pipeline heat preservation airtightness detection device, the utility model discloses a first arc plate and second arc plate are connected with each other through a plurality of connecting components, connecting component includes connecting plate no.
Owner:LAIBIN GUANGNENG THERMAL POWER CO LTD

Running-water-type evaporator, and ice-making device and water purification device comprising same

ActiveUS12674611B2Ice waterWater flow
The present invention relates to a running-water-type evaporator, and an ice-making device and a water purification device comprising the same, and to a running-water-type evaporator, and an ice-making device and a water purification device comprising the same, the evaporator uniformly transferring, to ice, heat supplied through high-temperature fluid during ice separation, so as to enable the ice to be easily separated without using separate ice-separating water, and thus minimizes melting of the ice during ice separation, and circulating ice-making water in a state where the ice-making water flows only toward the outer sides of a pair of outer plate members, and thus a degradation in the cleanliness of the ice-making water can be prevented.
Owner:COWAY CO LTD

Dual energy automatic switching heat supply coupling control valve group

The utility model discloses a kind of dual-energy automatic switching's heating coupling control valve group, comprising: mounting bracket, the upper end of the mounting bracket is equipped with heat pump, the power output end of heat pump is connected with docking pipe, and mounting bracket is equipped with the mounting hole compatible with docking pipe, the bottom of the docking pipe is connected with connecting pipe, and connecting pipe is through mounting bracket, the bottom of the connecting pipe is connected with valve body, and the upper end of the valve body is equipped with mounting plate;Check valve, the bottom of valve body is equipped with check valve, by photovoltaic mechanism and power line, so it can be adjusted according to the position of sunlight, so that photovoltaic panel can absorb sunlight to the greatest extent, so that the conversion efficiency of light energy will be higher, by energy automatic switching mechanism, independent battery structure can be used to supply energy switching for motor after power consumption, and independent structure can avoid the interference of power supply circuit, improve the stability of the switching structure.
Owner:SHANXI WENLV HEATING CO LTD

Method for the production or treatment of at least one industrial gas with high- efficiency centralised heat supply

A method comprising: a) producing or treating an industrial gas by a plant (12) comprising heat-receiving units thermally independent from one another, and at least one heat source (22), b) obtaining a compressed gas (26) by compressing a working gas (28), c) dividing the compressed gas into compressed gas streams (32), d) performing heat exchanges between the compressed gas streams and the heat-receiving units, and condensing the compressed gas streams into liquid streams (36), e) expanding the liquid streams and obtaining an expanded stream (46), f) vaporizing the expanded stream by heat exchange with at least the heat source, and obtaining of a gas stream (50), g) obtaining the working gas from at least the gas stream.
Owner:TECHNIP ENERGIES FRANCE SAS +1

A low-heat-loss sludge drying and incineration integrated device

PendingCN122083336Areduce volatilityfix the leakAir supply regulationBlast-producing apparatusCold airAir volume
This invention relates to the field of sludge treatment technology and provides an integrated device for low-heat-loss sludge drying and incineration. The device includes a frame, a drying unit, an incineration unit, a sludge conveying unit, a flue gas conveying unit, and a flue gas treatment unit. The flue gas conveying unit consists of an air intake mechanism and an inlet pipe. The air intake mechanism comprises a blower body, a drive assembly, a control assembly, a hollow main shaft, an annular frame, blower blades, and an adjustment assembly. The air intake mechanism can steplessly adjust the blower body's exhaust and suction air volume, output air pressure, and operating efficiency in real time. Based on real-time changes in the moisture content, feed amount, and organic matter content of the wet sludge, it can quickly adjust the blower body's exhaust and suction air volume, precisely control the heat supply of the annular flue gas heat exchange chamber, and precisely control the flue gas volume of the incineration unit. This stabilizes the optimal combustion condition of the incineration unit under a slightly positive pressure, completely solving the problems of positive pressure flue gas leakage or negative pressure cold air infiltration in the incineration unit, and reducing the fluctuation range of the combustion temperature in the incineration unit.
Owner:GREEN WATER SEPARATION EQUIP

A leak detection device for a heating pipe

The utility model relates to the technical field of heat supply pipeline leak detection, concretely is a kind of leak detection device for heat supply pipeline, including operation platform and inflation mechanism, the top right side of operation platform is equipped with inflation mechanism, the inflation mechanism includes clamping piece and inflation assembly, the clamping piece top end installs inflation assembly, the bottom end of clamping piece moves in the top of operation platform, mobile mechanism is installed in the rear end of operation platform, the mobile mechanism includes moving platform and moving assembly, the top of moving platform is equipped with moving assembly, the fixed rack that can move in the top of operation platform is equipped with, different length heat supply pipeline can be detected, improve applicability, the clamping assembly that is equipped with can be clamped to heat supply pipeline, improve temperature box to facilitate detection component detection, the other end of heat supply pipeline is closed by the installation cover that is equipped with, then using inflation pump carries out detection, by this design, the leak position of single heat supply pipeline can be detected quickly.
Owner:XINJIANG HERONG HEATING POWER CO LTD

Automatic exhaust device for primary network supplementing secondary network of heat supply unit

ActiveCN224415258Ufirmly connectedConvenient for subsequent dischargeThermodynamicsWater source
The utility model relates to a heat supply unit automatic exhaust equipment technical field, specifically speaking is a kind of heat supply unit primary network supplement secondary network automatic exhaust device, including jar body, the water inlet pipe and water outlet pipe for supplementing water are provided in the jar body periphery;Water source after the turbulence of the type plate will enter conical pipe, the spiral groove of conical pipe inner periphery is convenient to the water source and makes water source form spiral force pass through conical pipe and enter the bottom side of jar body, simultaneously, small particle solid and float carried in water source can be thrown to the inner wall on the bottom side of jar body under the centrifugal force generated by spiral conveying, and it is convenient to settle in jar body bottom, and the conical pipe of conical structure is convenient to the interception of small particle solid and float, and the vertical pipe of ring seat inner periphery in the bottom of conical pipe can be convenient to the water source of reflux and spiral conveying and shunt, to further reduce the condition that small particle solid and float are moved by water source and move accordingly.
Owner:LIAONING HUASHUN THERMAL GRP SHENYANG ENERGY TECH CO LTD

350mw supercritical non-deaerator unit external steam supply system and method

The application discloses a 350MW supercritical non-deaerator unit external steam supply system and method, and mainly relates to the technical field of steam extraction and heat supply of thermal power generating units; the system comprises an external steam pipeline extracted from a reheating hot section, a two-stage steam extraction pipeline for maintaining the temperature of feed water, a high-pressure bypass for maintaining the stability of main steam pressure, a low-pressure bypass for stabilizing the pressure of a steam supply source, and a system cooperative control module; one end of the two-stage steam extraction pipeline is connected with a #2 high-pressure heater, and a steam extraction check valve and a steam extraction electric valve are arranged on the two-stage steam extraction pipeline; the system cooperative control module is used for cooperatively adjusting the opening degree of the high-pressure bypass, the opening degree of the low-pressure bypass, the coal supply amount of the boiler and the feed water amount; the application can realize safe, stable and efficient supply of external industrial steam under the condition of "stopping the unit without stopping the boiler".
Owner:SHANDONG HUAWANG THERMAL POWER CO LTD

Drying device for cloth processing

The utility model relates to the technical field of cloth production, in particular to a drying device for cloth processing. Comprising a drying box, an L-shaped moving plate, a shell, a first heat supply mechanism and two limiting roller mechanisms, and penetrating holes are formed in the two ends of the drying box; the front end of the drying box is open; a linear driving mechanism for driving the L-shaped moving plate to move is mounted on the drying box; the shell is connected with the inner wall of the L-shaped moving plate, the side, away from the L-shaped moving plate, of the shell is provided with an opening, and a snake-shaped airflow channel is formed in the shell; the first heat supply mechanism is used for conveying hot air into the airflow channel; the two limiting roller mechanisms are installed at the two ends of the rear side of the drying box correspondingly, each limiting roller mechanism comprises a plurality of transverse rods and a plurality of transmission rollers, the transverse rods are installed on the drying box side by side, and the transmission rollers are rotationally installed on the transverse rods correspondingly. The drying device has the advantage of being high in drying efficiency, and the utilization efficiency of energy can be greatly improved.
Owner:HUBEI CHENGDA CLOTHING CO LTD

A wind power heat pump system coupled with heat supply

This invention discloses a coupled heating wind power heat pump system, relating to the field of heat pumps, comprising: a heat pump main unit and two air inlet grilles installed on the outside of the heat pump main unit; two air outlets installed on the top of the heat pump main unit; a scraper is provided on the outside of the air inlet grilles; and a cleaning box is provided on the side of the air inlet grilles away from the scraper, with multiple cleaning rods provided on the outside of the cleaning box; it also includes: a blockage removal mechanism for cleaning the mesh holes of the air inlet grilles; the blockage removal mechanism is installed on the inside of the cleaning box, and includes a crankshaft connecting rod rotatably installed on the inside of the cleaning box; through the blockage removal mechanism, this invention enables the cleaning box to move downward along the outside of the air inlet grilles, and causes the multiple cleaning rods on the outside of the cleaning box to perform horizontal reciprocating motion, allowing the cleaning rods to be inserted sequentially into the mesh holes of the air inlet grilles, thereby clearing the blockages in the air inlet grilles and achieving the effect of dust removal and anti-blocking.
Owner:BEIJING WANGSHENG BOILER INSTALLATION CO LTD

Compressed air powered system and method

This invention provides a compressed air energy supply system and method. The system includes a compressor unit, a first heat exchanger, an air storage device, a heat storage device, a heating device, a regenerative unit, and a control system. The control system comprises an independently controlled air storage control system and a heat storage control system. The compressor unit, the first heat exchanger, the air storage device, and the heat storage device are connected to form a heat storage circulation loop. The heating device is connected to the heat storage device via a heat release pipeline. The regenerative unit recovers the return water from the heating supply and / or the waste heat from the motor cooling to preheat the air drawn into the compressor unit. This invention employs a gas-heat decoupling method, storing the pressure potential energy and compression heat of compressed air separately, achieving independent and flexible control of gas and heat supply in terms of time and scale. Simultaneously, the regenerative unit utilizes internal low-grade waste heat to preheat the intake air in stages, further increasing the compressed exhaust temperature through the heat pump effect, significantly improving the overall energy utilization efficiency of the system.
Owner:ZHEJIANG UNIV

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

A dynamic compensation prediction method, system, device and medium for a heat supply station under extreme weather

PendingCN122287985AExtreme weatherEngineering
This application belongs to the field of heating station heat load prediction technology, and particularly relates to a method, system, equipment, and medium for dynamic compensation prediction of heating stations under extreme weather conditions. The method includes: acquiring current multi-source real-time meteorological data; analyzing the multi-source real-time meteorological data based on an early warning algorithm; determining whether an extreme weather warning has been triggered based on the analysis results; if the determination result indicates that an extreme weather warning has been triggered, calculating the building thermal inertia correction factor for the target heating area; obtaining historical compensation strategies based on a historical similar scenario matching mechanism; calculating a dynamic compensation coefficient by combining the weather warning level, the building thermal inertia correction factor, and the historical compensation strategy; and correcting the basic heat load prediction value based on the dynamic compensation coefficient to generate a final heating load prediction result; and sending the final heating load prediction result to the heating control system to adjust the heating output. This application improves heating quality.
Owner:HUANENG SONGYUAN THERMAL POWER CO LTD +1

A heat supply station heat supply area heat network data visualization monitoring method and system

This invention discloses a data visualization monitoring method and system for heating networks in heating station supply areas, specifically relating to the management field. The method includes synchronously collecting multi-dimensional data, establishing a heating network spatial coordinate system to locate the data collection nodes, and storing the coordinate data in a data storage center. It employs a K-means clustering algorithm to extract three typical heating patterns and simultaneously evaluates the matching degree of user heating patterns. An optimization cycle is set to extract optimized samples, and the gradient descent method is used to minimize the sum of squared errors between model predictions and actual values, updating relevant model parameters. Based on data analysis results, this invention generates three targeted decision-making suggestions: resource allocation, inspection priority, and heating guidance. Combined with historical data tracing and operational pattern mining, it provides comprehensive support for short-term operational optimization and long-term planning of the heating network, effectively improving the efficiency of heating resource utilization, reducing operational risks, and minimizing resource waste, thus exhibiting significant economic and management benefits.
Owner:HUBEI ENERGY OPTICS VALLEY THERMAL CO LTD

An energy distribution device applied to a cooling and heating system

The utility model discloses an energy distribution device for cold and heating supply system relates to cold and heating supply technical field, including positioning box body and plate heat exchanger, the bottom fixed connection of plate heat exchanger is limited seat, and the inside of positioning box body is inserted in limited seat, and both sides of limited seat all are provided with limit component, the limit component includes limit groove, first slope, positioning plugboard and second slope, the limit groove is set up on the lateral wall of limited seat, the first slope is set up in the bottom of limited seat, the positioning plugboard is located in the inside of positioning box body. The energy distribution device for cold and heating supply system, through set up positioning plugboard and limit groove etc. structure, the gravity extrusion of plate heat exchanger, limited seat, and under the guidance of first slope and corresponding second slope, the plugboard can adapt to slide to the direction of being away from limited seat, and the convenient installation of plate heat exchanger is completed, and the use efficiency of energy distribution device is improved.
Owner:XUZHOU DAXI ENERGY TECH CO LTD

Compressed air energy storage-salt molten heat storage integrated energy system and operation method thereof

The application discloses a compressed air energy storage-fused salt heat storage comprehensive energy system and an operation method thereof, and belongs to the technical field of energy conversion and energy storage. The system comprises a multi-stage compressor unit, a fused salt-air heat exchanger group, a high-temperature fused salt tank, a low-temperature fused salt tank, a high-pressure gas storage well, an expander, a generator, a regional heat supply heat exchange unit, a heat network circulating pump, a water supplement device and an inter-stage reheating flow channel. The multi-stage compressor unit is connected with the high-pressure gas storage well through the fused salt-air heat exchanger group, and the low-temperature fused salt tank and the high-temperature fused salt tank form a heat storage loop through the fused salt-air heat exchanger group. The outlet of the high-temperature fused salt tank is divided into two paths, one of which is connected with the expander through the inter-stage reheating flow channel, and the other of which is connected with the regional heat supply heat exchange unit to form a closed heating loop. The expander is coaxially connected with the generator, and the air inlet of the expander is connected with the high-pressure gas storage well. The application realizes large-temperature-difference external heat supply while improving the power generation efficiency through high-temperature fused salt heat storage and double-path heat distribution.
Owner:XIAN THERMAL POWER RES INST CO LTD +2

A small and medium-sized cogeneration unit heat supply system

The application provides a small and medium-sized combined heat and power unit heat supply system, which comprises a furnace, a low-temperature reheater, an air inlet pipeline and a first air supply pipeline, the low-temperature reheater is located in the furnace, the air inlet pipeline is communicated with a steam source of a steam turbine and a steam inlet of the low-temperature reheater respectively, and the first air supply pipeline is communicated with a steam outlet of the low-temperature reheater and an external steam supply pipeline respectively. The application can improve the problem of large energy loss of the small and medium-sized combined heat and power unit heat supply system.
Owner:CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY

Power plant thermal energy conversion and peak shaving control method and system

PendingCN122281350AThermodynamicsPower grid
This invention belongs to the field of intelligent control technology for power plants, and provides a method and system for thermal energy conversion and peak shaving control in power plants. The method includes: acquiring core operating parameters of the low-pressure cylinder system, bypass system, medium-pressure cylinder side, heating side, and power generation side of the power plant; dynamically evaluating the cooling steam demand based on the core operating parameters and a pre-established cooling steam demand model to obtain cooling steam demand data; and, upon receiving power generation instructions from the power grid and heating network, executing coordinated thermal power peak shaving control based on the core operating parameters and cooling steam demand data to control the power plant's heating and power generation. The solution provided by this invention achieves precise coordination between power generation and heating, meeting the requirements of deep peak shaving in the power grid while ensuring the stability of heat supply, improving the unit's thermal energy conversion efficiency and operational flexibility, reducing energy loss, and providing data support for the transformation of thermal power units into flexible regulating power sources.
Owner:HUANENG YANTAI BAJIAO THERMOELECTRIC CO LTD

Medium-temperature selective catalytic reduction denitration intelligent collaborative control system and method

This invention discloses an intelligent collaborative control system and method for mesophilic selective catalytic reduction (SCR) denitrification. The system includes a multi-dimensional full-process sensing module, a full-process operating condition prediction module, a multi-objective collaborative optimization module, a collaborative control execution module, and an execution layer module, forming a closed-loop control link for the entire process. The collaborative control execution module includes a parallel-connected flue gas temperature control module and a precise ammonia injection collaborative control module. This invention constructs a dual-channel parallel feedforward architecture, enabling flue gas temperature regulation and ammonia injection regulation to cooperate in time sequence, achieving advanced collaborative control. The flue gas temperature control module incorporates a gas consumption prediction model to achieve uninterrupted heat supply switching. The ammonia injection control module introduces a long-term and short-term self-learning mechanism, integrating minute-level mutation data and daily-level trend data to generate precise feedforward values. The multi-objective collaborative optimization module uses a particle swarm optimization algorithm to solve for the optimal combination of operating parameters. This invention effectively solves the problems of control lag, excessive ammonia escape, and high heat supply energy consumption in mesophilic SCR denitrification.
Owner:SHANXI YUANDIAN DIGITAL INTELLIGENCE TECHNOLOGY CO LTD