1614results about "Combined combustion mitigation" patented technology

The invention belongs to the technical field of energy storage, and relates to a compressed air and water coupled multi-energy co-production energy storage system and method, comprising an air compressor, a first heat exchanger, a second heat exchanger, an air turbine and a cooling module; a circulating medium of the first circulating loop is fused salt; the circulating medium of the second circulating loop is water, and the second circulating loop comprises a low-temperature water tank, a first booster pump, a second heat exchanger, a high-temperature water tank, a flash tank, a third heat exchanger, a steam turbine high-pressure cylinder and a heating module which are sequentially communicated end to end. Compression heat generated by compressed air can be stored in fused salt and water, special geographical conditions needed for storing high-pressure air are avoided, meanwhile, in the energy release stage, the stored water is used for flash evaporation and fused salt heating and then enters a steam Rankine cycle to do work, combined heat and power generation can be achieved in winter, combined cooling and power generation can be achieved in summer, and the energy-saving effect is achieved. Therefore, combined supply of different kinds of energy in different seasons is achieved, and the energy supply efficiency is improved.

The present disclosure provides pumped heat energy storage systems that can be used to store and / or extract electrical energy. A pumped heat energy storage system of the present disclosure can store energy by operating as a heat pump, whereby net work input can be used to transfer heat from the cold side to the hot side. A working fluid of the system is capable of efficient heat exchange with heat storage fluids on a hot side of the system and on a cold side of the system. Such pumped energy storage systems can be beneficially integrated with thermal plants to provided heat transfer to and / or from the thermal plants.

A system including: (i) a pumped-heat energy storage system (“PHES system”), wherein the PHES system is operable in a charge mode to convert electricity into stored thermal energy in a hot thermal storage (“HTS”) medium; (ii) an electric heater in thermal contact with the hot HTS medium, wherein the electric heater is operable to heat the hot HTS medium above a temperature achievable by transferring heat from a working fluid to a warm HTS medium in a thermodynamic cycle.

The invention discloses a steam reinjection type gas-steam combined cycle system for waste heat recovery. The system comprises a gas turbine FGH / TCA system, a combustion chamber steam reinjection device and a waste heat boiler combined heat exchange module. The gas turbine FGH / TCA system is provided with an FGH heat exchanger and a TCA heat exchanger; a cold side inlet of the FGH heat exchanger is connected with a cold natural gas pipeline, and an outlet is connected with the combustion chamber; the hot side is communicated with a waste heat boiler water pumping and guiding pipeline. The hot side of the TCA heat exchanger is connected with a gas compressor pumping pipeline, and the cold side is communicated with a hot side outlet of the FGH heat exchanger. Part of outlet water from a high-pressure coal economizer and a medium-pressure coal economizer of the waste heat boiler heats cold natural gas to a set temperature in the FGH, then the cold natural gas is fed into the cold side of the TCA heat exchanger to absorb air exhaust heat of an air compressor to become superheated steam, and the superheated steam is injected into a combustion chamber and a cold reconnection box. The problem of unbalanced heat of the FGH / TCA system is solved, the combustion chamber is subjected to steam injection transformation, and the output power and efficiency of the system are improved.

The utility model relates to the technical field of incinerator processing, in particular to a uniform anti-coking coating smearing device for a combustion chamber of a garbage incinerator, which comprises a bearing rack, a first lead screw is rotatably connected to one end in the bearing rack, and a push frame is slidably connected to one end of the top of the bearing rack; and the other end of the top of the bearing rack is fixedly connected with a fixed base, the bottom of the push frame is connected to the outer wall of the first lead screw in a sleeving and threaded mode, and an outer push rod is welded to the top of the push frame. According to the improved smearing device, the push frame achieves horizontal transmission through the lead screw, it is ensured that the spraying assembly moves along a set linear track, deviation is avoided, the coating uniformity is improved, the annularly-distributed high-pressure spray heads are combined with the rotatable workpiece, all parts of the workpiece receive paint spraying from different directions, and the spraying efficiency is improved. In addition, the extension rod can adjust the contact distance between the high-pressure nozzle and the inner wall of the workpiece, the uniform adhesiveness of the coating on the surface of the workpiece is guaranteed in all directions, and the situation that spraying parts are frequently replaced due to specification problems is avoided.

A thermal energy storage (TES) system converts variable renewable electricity (VRE) to continuous heat at over 900° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. Configurations of simple cycle systems and combined cycle power plants using thermal energy storage units can provide even greater efficiency and responsiveness.

The invention relates to the technical field of energy, in particular to a waste incineration power generation matched energy storage system control method which comprises the following steps: S1, monitoring waste treatment capacity; s2, monitoring garbage components; s3, garbage calorific value analysis; s4, incineration operation monitoring; s5, carrying out incineration operation analysis; s6, combustion control monitoring; s7, combustion control analysis; s8, incineration efficiency analysis; according to the method, the garbage heat value availability degree is obtained through analysis according to the treatment capacity and component parameters of various kinds of garbage, the operation evaluation coefficient of the incinerator is obtained through analysis according to the operation state parameters of the incinerator, and the combustion control evaluation coefficient of the incinerator is obtained through analysis according to the combustion control parameters of the incinerator. The garbage power generation performance evaluation index is obtained through comprehensive analysis and compared with the preset performance evaluation index threshold value, whether the energy storage system needs to intervene or not is judged, the stability and reliability of power grid operation are improved, and garbage power generation and the power grid can work cooperatively better.

The utility model relates to the technical field of garbage recycling power generation, in particular to an environment-optimized efficient garbage incineration power generation device which comprises a main body, a boiler is arranged in the main body, a combustion bottom plate is arranged at the bottom of the boiler, and vent holes are formed in the combustion bottom plate; the extrusion mechanism is arranged in the feeding box, a water outlet is formed in the bottom of the feeding box, and a sewage box is arranged at the top of the feeding box; the purification mechanism is fixedly connected to the side edge of the main body, and the top end of the purification mechanism extends into the boiler; the garbage disposal device has the beneficial effects that through the arrangement of the extrusion mechanism, a first servo motor drives a power roller to rotate, the power roller is meshed with a driven gear through a driving gear to drive an extrusion roller to extrude and push garbage, so that sewage in the garbage is extruded and dried, and the situation that the incineration speed is low and the incineration efficiency is affected due to the sewage in the garbage in subsequent incineration is avoided.

The invention discloses a gas-steam combined cycle unit cold-state quick starting system which comprises a preheating air source, a generator, a gas turbine and a steam turbine, the steam turbine comprises a high-pressure cylinder, an intermediate-pressure cylinder and a low-pressure cylinder, and the preheating air source is connected with a preheating steam conveying pipeline leading to the high-pressure cylinder and the low-pressure cylinder; a steam inlet of the high-pressure cylinder is connected with a high-pressure main steam pipeline, a first electric isolating valve is arranged on the high-pressure main steam pipeline, and the high-pressure main steam pipeline is connected with a pre-heating steam conveying pipeline through a high-pressure conveying pipeline and a drain expansion pipeline; a steam exhaust port of the high-pressure cylinder communicates with an inlet of the reheater through a low-pressure reheat steam pipeline, and an outlet of the reheater communicates with a steam inlet of the medium-pressure cylinder through a high-temperature reheat steam pipeline. According to the system, the steam pre-warming of the steam cylinder is realized by utilizing the valve and the structure which are arranged in the steam turbine set, meanwhile, the water vapor loss is not caused, a new valve does not need to be arranged, the cost is saved, and the pre-warming efficiency is improved.

A combined cycle power generation and storage system is shown. A liquid air energy storage system uses excess power to liquefy air and stores it in a liquid state. A combustion engine produces power by combustion of a carbon-based fuel along with an exhaust stream containing carbon dioxide. A heat recovery system exchanges heat from the exhaust stream to air from the liquid air storage system, and thereby produce a cooled exhaust stream and heated air. An air expansion machine recovers power by expansion of heated air from the heat recovery system. A separation system separates carbon dioxide from ambient air prior to liquefaction during operation of the liquid air energy storage system, and separates carbon dioxide from the cooled exhaust stream during operation of the combustion engine prior to emission of the cooled exhaust stream to atmosphere.

An energy storage system converts variable renewable electricity (VRE) to continuous heat. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Low temperature waste heat from energy production can be recovered and used to improve overall system efficiency.

A system includes a heat recovery steam generator (HRSG) configured to generate steam using heat from an exhaust gas, an exhaust stack disposed downstream of the HRSG, and a cooling transition duct disposed downstream of the exhaust stack. The cooling transition duct includes a converging duct that decreases in a cross-sectional area in a flow direction from an inlet to an outlet of the converging duct. The cooling transition duct also includes one or more coolers disposed in the converging duct. The one or more coolers are configured to cool the exhaust gas within the converging duct between the inlet and the outlet. The cooling transition duct is configured to direct cooled exhaust gas to a gas capture system, an exhaust gas recirculation (EGR) system, or both.

A system includes an exhaust diffuser system for a heat recovery steam generator (HRSG). The system includes an inlet portion, a diffuser portion axially extending from the inlet portion, and an outlet portion fluidly coupled to an axial distal end of the diffuser portion, wherein an outlet extent of the outlet portion is greater than an inlet extent of the inlet portion. The diffuser portion includes a plurality of wall portions, and the plurality of wall portions is incrementally angled relative to an axial extent extending from the inlet portion to the outlet portion. The system may further include a gas turbine engine coupled to the inlet portion and the HRSG.

The invention belongs to the technical field of heat supply systems, and discloses a regional heat supply system optimization control method for multi-heat-source networking operation. The method comprises the steps that S1, physical entity data, hydraulic working condition data and temperature data in a regional heat supply pipe network are collected in real time, an adjacent matrix is constructed according to the actual connection relation of the physical entity data, and a digital network architecture is formed; s2, dividing the digital network architecture into a plurality of sub-architectures based on an improved GN algorithm, and establishing a state space model for each sub-architecture; and S3, constructing a rapid simulation model based on the state space model, and continuously fusing each physical entity data and a preset deviation range through a physical information neural network. According to the method, the thermal state change caused by hydraulic adjustment and the reaction of the thermal change on the hydraulic resistance characteristic can be captured in real time, meanwhile, all physical entity data and hydraulic working conditions are processed in a unified mode, and deviation caused by decoupling simplification in a traditional method is reduced.

The invention relates to the technical field of sludge treatment, in particular to a low-calorific-value incineration sludge circulating fluidized bed boiler system which comprises a sludge component monitoring module, a fuel proportion adjusting module, a drying and gasifying module, a staged combustion module, a heat energy recycling and power generating module, an ash sorting module and a flue gas purifying module. Wherein the sludge component monitoring module is used for collecting organic matter content, water content and calorific value data of sludge; the fuel ratio adjusting module is used for automatically adjusting the ratio of the sludge to the auxiliary fuel; and the drying and gasifying module is used for receiving the fuel mixture and drying the fuel mixture by utilizing waste heat of the incinerator, and meanwhile, part of organic matters are converted into combustible gas through gasifying treatment. According to the invention, through intelligent fuel adjustment, waste heat recovery and multi-stage flue gas purification technologies, high-efficiency combustion, energy reutilization and up-to-standard emission of the low-calorific-value sludge are realized, and the environmental protection property and economical efficiency of sludge treatment are remarkably improved.

The invention provides a combined heat and power system and a control method thereof, and relates to the technical field of combined heat and power. The system comprises a fuel gas heat and power cogeneration subsystem, a heat supply subsystem and a fused salt heat storage subsystem, the fuel gas heat and power cogeneration subsystem is used for fuel gas power supply, the fused salt heat storage subsystem can convert solar energy and / or flue gas generated by power supply into heat energy of high-temperature fused salt to be stored, and the heat supply subsystem conducts primary heating on heat supply return water through geothermal energy; and flue gas and / or high-temperature fused salt generated by power supply are / is used for conducting secondary heating on heat supply return water. Geothermal energy, solar energy and fused salt heat storage are coupled, and renewable energy sources are fully utilized for heat and power cogeneration, so that the power supply requirement and the heat supply requirement of a user are met. In the ground source heat pump unit, primary heating is conducted through geothermal energy, heat supply return water is heated into warm water, then the warm water is secondarily heated into hot water through smoke in the gas heat and power cogeneration system, the compression ratio of a compressor in a ground source heat pump can be reduced, and power consumption of the compressor is reduced.

The utility model discloses a combined heat and power generation system of an integrated heat pump. The combined heat and power generation system comprises a steam turbine system and a heat supply network water heating system. The steam turbine system comprises an intermediate-pressure cylinder, a low-pressure cylinder and a condenser; the heat supply network water heating system comprises a condenser (electric heat pump), an absorber, a condenser (absorption heat pump) and a peak heater. Heat supply network return water is connected with an evaporator heat source inlet of the absorption heat pump, an evaporator heat source outlet is connected with a condenser heat supply network water inlet of the electric heat pump, a heat supply network water outlet of the electric heat pump is connected with an absorber heat supply network water inlet of the absorption heat pump, and a heat supply network water outlet of the absorber is connected with a condenser heat supply network water inlet of the absorption heat pump. A heat supply network water outlet of the condenser is connected with a heat supply network water inlet of the peak heater, and a heat supply network water outlet of the peak heater is connected with a heat supply network to supply water for the heat supply network. By recycling more waste heat, the heat supply capacity and the total efficiency of the system are improved while the combined heat and power generation system obtains more flexible power generation load adjusting capacity.

The embodiment of the invention discloses a peak regulation method, device and equipment for a cogeneration unit and a storage medium, and relates to the technical field of electric power, and the method comprises the steps: determining the heat user demand heat of a preset region in a current unit time length based on the heat supply scene information of heat users in the preset region and a predicted outdoor temperature sequence of the preset region in the current unit time length, based on heat supply network heat supply steam information extracted from the combined heat and power generation unit by a heat supply network heat supply system in the preset area in the current unit time, heat source heat supply heat of the preset area in the current unit time is determined; the supply and demand deviation is determined according to the heat user demand heat and the heat source heat supply heat, and when the supply and demand deviation is larger than a set deviation threshold value, a heat storage adjusting valve is opened to start a heat storage mode of the heat supply network heat supply system, and when the heat user demand heat is larger than the heat source heat supply heat, heat stored by the heat supply network heat supply system in the heat storage mode is used for heat supply. And the peak regulation flexibility of the cogeneration unit is improved in a peak load shifting manner.

The embodiment of the invention provides a multi-steam-source cooperative frequency modulation combined heat and power generation system and a control method. The system comprises a boiler, a high-pressure cylinder, an intermediate-pressure cylinder, a low-pressure cylinder, a power generator, a multi-stage regenerative heater, a heating system and a heating steam supply pipeline. A main steam outlet of the boiler is connected to the high-pressure cylinder through a main steam pipeline, a steam exhaust port of the high-pressure cylinder is connected to the intermediate-pressure cylinder through a pipeline, a steam exhaust port of the intermediate-pressure cylinder is connected to the low-pressure cylinder through a pipeline, and a steam exhaust port of the low-pressure cylinder is connected to the generator through a pipeline. A condensate water outlet of the medium-pressure cylinder is communicated to a condensate water inlet of the boiler through a first condensate water pipeline; the heating system is communicated with a steam exhaust port of the medium-pressure cylinder through a heating steam supply pipeline; the multi-stage regenerative heater is arranged on the first condensate water pipeline and connected with the high-pressure cylinder and / or the intermediate-pressure cylinder through steam extraction pipelines, and steam extraction adjusting valves are correspondingly arranged on the steam extraction pipeline between the high-pressure cylinder and the multi-stage regenerative heater and / or the steam extraction pipeline between the intermediate-pressure cylinder and the multi-stage regenerative heater.

The utility model relates to the field of waste gas and waste liquid treatment, in particular to a waste gas and waste liquid incinerator which comprises an incinerator body, a feeding pipe and a discharging pipe, the feeding pipe and the discharging pipe are arranged on the two sides of the incinerator body in a communicated mode, and the lower end of the incinerator body is provided with a slag discharging pipe in a communicated mode. The device further comprises an incinerator inner wall scraping assembly and an air inlet filtering anti-blocking assembly. According to the incinerator inner wall scraping assembly, residues attached to the inner wall of the incinerator body after waste gas and waste liquid are combusted are cleaned, and the situation that the follow-up combustion effect is affected is avoided; according to the waste gas and waste liquid incineration device, waste gas and waste liquid needing to be combusted are filtered through the air inlet filtering anti-blocking assembly, so that the combustion efficiency is improved, a filter screen can be cleaned, it is avoided that the filter screen is blocked, and waste gas and waste liquid enter the incinerator body, and work of the waste gas and waste liquid incineration device is achieved.

The invention discloses a fuel gas and steam combined cycle power generation system coupling fused salt heat storage and biomass energy storage, which comprises a fuel gas and steam combined cycle power generation subsystem, a fused salt heat storage and release subsystem and a biomass energy storage system, an outlet of the gas-steam combined cycle power generation subsystem is connected with the fused salt heat storage and release subsystem and the biomass energy storage system, and a smoke outlet of the biomass energy storage system is connected with the gas-steam combined cycle power generation subsystem. And the utilization efficiency of energy and the economical efficiency of the system are improved.

In an off-grid data center 2a including a gas turbine combined cycle power plant 50 that supplies power to IT equipment 10 housed in a data center room 11, a cooling device 20 for cooling the IT equipment, and an air conditioner 30 for air conditioning the data center room, the IT equipment 10 is made to process information using the power generated by the gas turbine combined cycle power plant 50 that generates power using hydrogen gas supplied from an evaporator 40 that vaporizes liquefied hydrogen, and a refrigerator 60 is operated to cool a second chilled water to a second temperature. The first chilled water cooled to a first temperature by the evaporator 40 is used by the air conditioner 30 to air condition the data center room. The second chilled water cooled to the second temperature is cooled in a heat exchanger 75 by surplus first chilled water not used by the air conditioner 30.

A system includes a gas treatment system having first and second gas capture systems and a steam supply circuit. The first gas capture system is configured to capture a first portion of an undesirable gas from a combined cycle power plant. The second gas capture system is configured to capture a second portion of the undesirable gas from the combined cycle power plant, wherein the first and second gas capture systems are arranged in series relative to a fluid flow path through the combined cycle power plant. The steam supply circuit includes a first steam supply line coupled to the first gas capture system and a second steam supply line coupled to the second gas capture system. The steam supply circuit is configured to couple to and receive steam from a heat recovery steam generator (HRSG) and / or a steam turbine system of the combined cycle power plant.

A power generation facility of the present disclosure generates power by incinerating materials to be incinerated, and comprises: an incinerator in which materials to be incinerated are incinerated; a boiler to which exhaust gas generated in the incinerator is supplied; a carbon dioxide recovery device into which the exhaust gas flows after passing through the boiler; an exhaust gas flow path provided between the boiler and the carbon dioxide recovery device; an adjustment device capable of regulating the flow rate of the exhaust gas flowing through the exhaust gas flow path to a target flow rate, and capable of regulating the temperature of the exhaust gas to a target temperature; a sensor provided to the power generation apparatus; and a control device that controls the adjustment device on the basis of detection results of the sensor.

A power plant is configured to output power to a grid power system and comprises a hydrogen generation system configured to produce hydrogen, a gas turbine combined cycle power plant comprising a gas turbine engine configured to combust hydrogen from the hydrogen generation system to generate a gas stream that can be used to rotate a turbine shaft and a heat recovery steam generator (HRSG) configured to generate steam with the gas stream of the gas turbine engine to rotate a steam turbine, a storage system configured to store hydrogen produced by the hydrogen generation system, and a controller configured to operate the hydrogen generation system with electricity from the grid power system when the grid power system has excess energy and balance active and reactive loads on the grid power system using at least one of the hydrogen generation system and the gas turbine combined cycle power plant.

The invention discloses a biomass-driven Stirling generator combined heat and power generation system and a control method thereof, the system comprises a fuel distribution subsystem, a heat distribution subsystem and a power generation subsystem, the fuel distribution subsystem comprises a solid biomass particle feed port, a gas preheater, liquefied petroleum gas and a first air blower; the heat distribution subsystem comprises a second air blower, a first combustion chamber, a second combustion chamber, a first waste heat recoverer, a second waste heat recoverer, a heat pipe, cooling water and a residential heat utilization system; the power generation subsystem comprises a Stirling generator, a power converter, an energy storage battery and a residential power utilization system. According to the method, cooling water and a heat source are used for controlling the output power of a generator, the cooling water flow is adjusted through cooling water temperature errors and the cooling water temperature error change rate, flow speed adjustment is configured through cooperation of a plurality of valves, the heat source is controlled by changing the mixing ratio and the supply speed of fuel, and the output power of the generator is controlled. And the power supply and heat supply requirements of the user are matched with the system output.

A system for producing CO and CO2 to achieve an efficient oil recovery operation that minimizes undesirable gaseous emissions is provided. The system includes a portable CO-producing device, a portable CO2-producing device located proximate to the reservoir, and a gas collecting device configured to receive CO and CO2 and selectively distribute a desired ratio of CO and CO2 dynamically based on current reservoir conditions. Producing CO2 proximate to the reservoir comprises reforming carbon-based fuel within oxygen. Electrical energy generated is used to selectively distribute the desired ratio of CO / CO2 to the reservoir with de minimis greenhouse gases produced transmitted into the atmosphere. The system is an energy-efficient arrangement that recycles and reuses by-products and unused products from the process. Greenhouse gas emissions are significantly reduced compared to conventional processes by-products are fully utilized. Hydrogen produced can be used to generate electricity, as can heat generated from other sources within the process.

The power plant includes a gas turbine engine including a compressor and a turbine. The compressor includes a compressor outlet. The turbine exhausts a first exhaust gas stream therefrom. The heat recovery steam generator extracts heat from the first exhaust stream and discharges a second exhaust stream therefrom. The cooler cools the second exhaust gas stream defining a cooled exhaust gas stream and discharges the cooled exhaust gas stream. An exhaust gas recirculation line directs a first portion of the cooled exhaust gas stream toward the compressor. The recirculation compressor selectively pressurizes a first portion of the cooled exhaust stream for discharge to the compressor outlet.

MEANS FOR SOLVING THE PROBLEM: To provide an inlet duct system for a heat recovery steam generator.SOLUTION: A system (10) includes an exhaust diffuser system (22) for a heat recovery steam generator (HRSG) (16). The system (10) includes an inlet portion (23), a diffuser portion (24) axially extending from the inlet portion (23), and an outlet portion (26) fluidly coupled to an axial distal end of the diffuser portion (24), where an outlet extent (252) of the outlet portion (26) is greater than an inlet extent (254) of the inlet portion (23). The diffuser portion (24) includes multiple wall portions (272), and the multiple wall portions (272) are incrementally angled relative to an axial extent (258) extending from the inlet portion (23) to the outlet portion (26). The system (10) may further include a gas turbine engine (12) coupled to the inlet portion (23), and the HRSG (16) coupled to the outlet portion (26).SELECTED DRAWING: Figure 2

The invention relates to the technical field of temperature and pressure reducers, in particular to a temperature and pressure reducer for combined heat and power generation, which comprises a delivery pipe, a pressure reduction steam valve, a temperature reduction mechanism, an adjusting mechanism and a filtering mechanism, the pressure reduction steam valve is fixedly mounted at the output end of the delivery pipe, and the pressure reduction steam valve is used for reducing pressure of steam in the delivery pipe; the temperature reduction mechanism is fixedly installed at the output end of the pressure reduction steam valve and used for spraying temperature reduction water to steam subjected to pressure reduction through the pressure reduction steam valve for temperature reduction, and the adjusting mechanism is fixedly installed in the temperature reduction mechanism and used for adjusting the temperature reduction water spraying angle of the temperature reduction mechanism. According to the temperature and pressure reducer for combined heat and power generation, by arranging the temperature reducing mechanism, the adjusting mechanism, the extruding mechanism and the filtering mechanism, the annular pipe can be driven to swing in a reciprocating mode, so that temperature reducing water in the annular pipe can be sprayed into steam from the nozzles at different angles to form crossed mixed flow, the original flowing state of the steam can be broken, and then the mixing efficiency is improved.