34 results about "Turbo generator" patented technology

According to the power plant waste heat recovery system and method, the types of recovered power plant waste heat are very comprehensive, and the power plant waste heat is recycled in a stepped mode. All waste heat, including flue gas waste heat, circulating water waste heat, furnace wall waste heat and slag waste heat, of the thermal power plant is recovered at the same time. In addition, different heat pumps and different heat exchangers are selected according to different waste heat characteristics, all recoverable waste heat is efficiently recovered, and the energy conversion efficiency of a power plant is improved. The cascade recycling of the waste heat of the power plant comprises three recycling modes of a low-pressure steam turbine generator set, a low-boiling-point working medium generator set and a heat supply pipeline. According to the method, on one hand, the applicability of the waste heat recovery system of the power plant is improved, the method is suitable for different types of thermal power plants, and is also suitable for the influence of different seasons and environment temperature factors on waste heat, and on the other hand, the waste heat is recycled to the maximum extent according to comparison and matching of the temperature and pressure set value and the measured value of the recycling equipment, and waste of the waste heat is avoided.

The present invention provides a power plant waste heat recovery system and method, which simultaneously recovers a wide range of waste heat from power plants and also implements cascade recycling of waste heat from power plants. The present invention simultaneously recycles all waste heat from thermal power plants, including four types of waste heat: flue gas waste heat, circulating water waste heat, furnace wall waste heat, and slag waste heat. In addition, according to the different characteristics of waste heat, different heat pumps and different heat exchangers are selected to efficiently recover all recoverable waste heat, thereby improving the energy conversion efficiency of the power plant. The present invention designs a cascade recycling of waste heat from power plants, including three recycling methods: a low-pressure steam turbine generator set, a low-boiling-point working fluid generator set, and a heating pipeline. On the one hand, the present invention improves the applicability of the power plant waste heat recovery system, and is applicable to different types of thermal power plants, as well as to the effects of different seasons and environmental temperature factors on various waste heat. On the other hand, by comparing and matching the temperature and pressure set values ​​of the recycling equipment with the measured values, the waste heat is maximized and waste heat is avoided.

The invention discloses a compressed carbon dioxide energy storage system based on phase change heat storage and regenerative coupling and a deep peak regulation method, relates to the technical field of energy storage, and constructs a three-stage cascade heating chain. The compressed carbon dioxide energy storage system comprises a compressor unit, a high-pressure tank, a low-pressure tank, a regeneration heater, a PCM packed bed and a turbine generator unit. An outlet of the low-pressure tank is connected with an inlet of a working medium channel in the regeneration heater through the compressor unit and the high-pressure tank, an outlet of the working medium channel in the regeneration heater is connected with an inlet of a working medium channel in the PCM packed bed, and an outlet of the working medium channel in the PCM packed bed is connected with an inlet of a heat source channel in the regeneration heater through the turbine generator set. An outlet of a heat source channel in the regeneration heater is connected with an inlet of the low-pressure tank through the first air cooler. According to the method, the output power, the energy storage density and the peak regulation response speed of the system are remarkably improved, and an efficient deep peak regulation solution is provided for renewable energy source grid connection.

The invention relates to the technical field of gas turbine waste heat utilization, and discloses a waste heat utilization power generation device and method applied to a pure condensing peak shaving gas turbine. The device comprises a closed loop taking isobutane as a cycle working medium, a waste heat-organic working medium heat exchanger, an isobutane turbine generator set, a condensation backflow part and a control system. After the gas turbine is shut down, heat storage steam or hot water is led out from the waste heat boiler steam-water system, heat energy is transmitted to isobutane through the heat exchanger, the isobutane is evaporated into superheated steam and drives the turbine generator set to generate electricity, and working media after acting are pumped into the heat exchanger again through the condensation backflow part to complete circulation. Isobutane is adopted as a working medium, the system adapts to medium and low temperature and transient heat source characteristics, stable grid connection is achieved through the clutch transmission mechanism, the control system dynamically adjusts operation parameters, the problem that heat stored in the waste heat boiler cannot be recycled after the pure condensing peak shaving gas turbine stops is effectively solved, and the energy utilization efficiency and the power plant economy are remarkably improved.

A hydrogen chloride loop fuel reaction is designed and configured for turbine / generator combination which can be used for automotive propulsion or as a standalone electrical generation or for auxiliary equipment. A method for providing a hydrogen chloride loop fuel reaction includes creating hydrogen chloride fuel in a sealed furnace vessel, wherein at start up, the sealed furnace vessel is vacuumed out and hydrogen and chlorine are injected into a burner and ignited resulting in the hydrogen chloride fuel in an exhaust stream of the sealed furnace vessel; and looping the hydrogen chloride fuel leaving the sealed furnace vessel in the exhaust stream of the sealed furnace vessel.

The utility model relates to the technical field of salvaging devices, in particular to a salvaging device for floating objects on water. In order to solve the problems that power is difficult to generate at the position of a river channel, meanwhile, more impurities generally float in the river channel, and the power generation operation is easily influenced, the following technical scheme is provided: the power generation device comprises a plurality of groups of floating blocks floating on the water surface, and turbine blades are mounted at the bottoms of the floating blocks; the turbine blades are connected with turbine generator sets installed at the tops of the floating blocks through shaft rods, and the tops of the multiple sets of floating blocks are jointly connected with a connecting plate. The multiple sets of fishing assemblies are installed on the outer ring of the floating block, and the multiple sets of fishing assemblies are distributed in an annular array mode and used for guiding floating objects on the water; the fixing assemblies are arranged on the connecting plate and used for fixing the floating block to the bottom of the connecting plate. The device is wide in application range, facilitates power generation in different drainage basins, can clean floating objects on the water surface, and purifies the environment of the drainage basins.

The invention discloses an automatic monitoring system of a gas turbine generator set, and relates to the technical field of turbine generator set monitoring, the system comprises the following components: a microscopic state monitoring unit, a data collection and transmission unit, a data comprehensive analysis unit, a fault source tracing and data analysis unit and a control and display management unit; according to the invention, by using the knowledge graph integrated by the fault source tracing and data analysis unit, chaos theory analysis and cross-domain knowledge migration functions, the fault source can be quickly and accurately traced, including determination of specific component problems and related pre-operation condition changes or indirect influences of other components, and the fault source can be accurately traced through chaos data analysis. According to the method, potential fault risks which are difficult to perceive by a traditional data analysis method are found, in addition, fault diagnosis and maintenance experience knowledge of other similar complex industrial equipment is migrated to the field of gas turbine generator sets by means of a cross-domain knowledge migration technology, and the content of a knowledge graph is further enriched.

The utility model relates to the technical field of boilers, and discloses an electric control energy-saving combustion automatic boiler which comprises a boiler box and a preheating box, a smoke exhaust pipe is arranged in the preheating box, the upper end of the inner wall of the boiler box is fixedly connected with a fixing box, and the lower portion of one side of the outer wall of the preheating box is fixedly connected with a water pump. According to the boiler water preheating device, water is added into the preheating box through the second water inlet valve, by means of the design of the smoke exhaust pipe and the gas gathering plate, smoke is effectively guided to flow, heat in the smoke is captured, the water in the preheating box is preheated, and the water is preheated before entering the boiler through the design; and then, the water pump is started to feed the preheated water into the fixed box, the boiler box further heats the water in the fixed box to generate steam, the generated steam then drives the steam turbine generator assembly, and efficient conversion from heat energy to electric energy is achieved.

The invention relates to a high-pressure oxidation device for low-concentration gas. The high-pressure oxidation device comprises a centrifugal compressor, a high-pressure conveying pipeline and a high-pressure oxidation furnace, the centrifugal compressor is connected with the gas inlet end of the high-pressure conveying pipeline and is suitable for pressurizing gas and then conveying the gas into the high-pressure conveying pipeline; the high-pressure oxidation furnace comprises a furnace shell, a heat storage device and an ignition device; the furnace shell is provided with a gas inlet suitable for entering gas and a gas outlet suitable for outputting high-temperature flue gas; the gas outlet end of the high-pressure conveying pipeline is connected with the gas inlet and is suitable for conveying gas into the furnace shell; the gas outlet is suitable for being connected with a high-temperature flue gas inlet end of a turbine generator; the heat storage device is arranged in the cavity of the furnace shell, the two ends of the heat storage device are opposite to the gas inlet and the gas outlet respectively, and gas entering from the gas inlet flows through the heat storage device and enters the cavity of the furnace shell to be subjected to high-temperature oxidation; the ignition device is arranged on the side wall of the furnace shell, and the ignition end of the ignition device is located in the cavity of the furnace shell.

The system is characterized by comprising a cold box, a gas-liquid separator, a heat regenerator and a turbine generator set, the cold box is provided with three outlets, one outlet of the cold box is connected with the gas-liquid separator through a pipeline, the gas-liquid separator is provided with two outlets, one outlet of the gas-liquid separator is connected with the cold box through a pipeline, and the other outlet of the gas-liquid separator is connected with the turbine generator set through a pipeline. A second outlet of the cold box is connected with a heat regenerator through a pipeline, the heat regenerator is connected with a turbine generator set through a pipeline, and the turbine generator set is connected with the cold box through a pipeline; on one hand, toluene is condensed and recovered, consumption of water vapor and electric energy is reduced, discharge of waste water is reduced, and the purposes of reducing production cost, saving energy and reducing emission are achieved. Meanwhile, the methylbenzene oxidation pressurized tail gas is used for expanding to do work to generate power, energy contained in tail gas emission is converted into electric energy, and economic benefits are created for enterprises.

An integrated PWR nuclear reactor that requires no refueling and is cooled by natural convection. It is housed within a reactor containment unit which is transportable to a placement site and placed within an underground building that allows heat transfer from the reactor to the surrounding soil. Tire reactor containment unit encloses an integrated PWR nuclear reactor, a pressure and chemical control system, a safety system and a turbo generator. After its operational life, the reactor's water and air are replaced with inert gases, circulating by natural convection to remove decay heat to the surrounding soil. This enables the integrated PWR reactor, initially designed to generate electricity, to act as a dry storage facility for uranium fuel elements after the end of its operational life.

A cooling system for an aircraft capable of travelling at hypersonic speeds includes an inlet (22) configured to receive a first medium and a thermodynamic device (24) fluidly connected to the inlet (22). The thermodynamic device (24) includes at least one turbine and a compressor operably coupled via a shaft. An outlet of the at least one turbine is directly fluidly connected to an inlet of the compressor. An electric generator (34) is operably coupled to the at least one turbine.

The invention belongs to the technical field of nuclear power, and particularly relates to a grinding device for an electric carbon brush of a steam turbine generator. According to the grinding device for the electric carbon brush of the steam turbine generator, the grinding wheel assembly is customized according to the radian of the collecting ring, and the problem that in the original carbon brush grinding process, the stress of the carbon brush is not uniform during operation of personnel can be practically solved; the risks of ignition and shaking of the carbon brush caused by the fact that the radian of the carbon brush is not completely attached to the collecting ring can be completely avoided; a plurality of carbon brushes can be ground at a time, and the grinding time of the carbon brushes is greatly shortened; the motor is used for dragging the grinding ring, the position sensor and the power frequency converter are installed, the grinding length and speed of the carbon brush can be accurately controlled, a worker only needs to correctly control the device after the carbon brush is installed, and the requirement for the professional technical ability of carbon brush grinding is lowered. The degree of adaptation between the ground carbon brush and a collecting ring can be improved, the stability of operation of the carbon brush is improved, and the grinding time of the carbon brush of a large brush excitation steam turbine generator is shortened.

The invention relates to the technical field of ocean engineering and renewable energy sources, and discloses a back wave water inlet type oscillating water column structure based on long wave reduction and energy extraction, which comprises a wave absorption main body, a support, a pile foundation and a turbine generator set with an air turbine, and further comprises an arc-shaped moving door, the two arc-shaped moving doors are connected into an interlayer of the wave absorbing body in a sliding mode, and a back water inlet matched with the two arc-shaped moving doors is formed in one side of the wave absorbing body. Water level modulation caused by the phase difference between the liquid level fluctuation of the cavity and the liquid level fluctuation outside the cavity is formed to reduce waves. According to the technical scheme, wave response optimization under different wave periods can be achieved by synchronously adjusting the size of the water inlet, the energy extraction efficiency is improved, the wave transmissivity is reduced, and the device is suitable for various layout forms of offshore and open sea areas and has the good wave adaptability and the integration characteristic of wave reduction and energy extraction.

The invention provides an electric paddle fan aero-engine device with a high-speed tail jet power generation function. The electric paddle fan aero-engine device comprises an air inlet, a duct, an exhaust port, a fan assembly, an electric core machine assembly, a paddle fan assembly, a generator assembly and a rotating assembly, wherein the fan assembly, the electric core machine assembly, the paddle fan assembly, the generator assembly and the rotating assembly are arranged in the duct. The ducts comprise a single duct and a double duct, the double duct comprises an outer duct and an inner duct, and the outer duct and the inner duct are shunted at the rear end of the fan assembly and converged at the front end of the paddle fan assembly; the power core machine assembly is located in front of the inner duct at the rear end of the fan assembly. The paddle fan assembly is located in the middle of the inner duct. A first rotating cylinder and a second rotating cylinder of the rotating assembly respectively rotate to form a 90-degree direction, a 90-degree angle is formed between an air inlet and an air outlet, and horizontal power is switched to vertical power; fuel oil power is replaced by electric power, the acting force angle of a paddle fan can be changed by combining a rotating mechanism, vertical and horizontal power switching is provided, and high-speed jet gas kinetic energy is recycled for power generation by combining with a high-performance turbine generator set.

Hybrid propulsion systems that utilize liquid natural gas solid oxide fuel cells in a manner practical for use in aircraft that avoid the use of heavy batteries, provide transient response times suitable for use in aircraft, and / or simplify reactant pre-conditioning systems using a compressor and turbine pair operatively coupled to the solid oxide fuel cell. Such hybrid propulsion systems for an aircraft may include a liquid natural gas turboshaft engine, a turbo generator operatively coupled to the turboshaft engine, a liquid natural gas solid oxide fuel cell, and an electric fan. The electric fan may be configured to generate thrust for the aircraft and may be powered by the turbo generator and / or the solid oxide fuel cell. Fuel cell reactants may be pre-conditioned using turboshaft bleed air, and the liquid natural gas may be pre-heated by fuel exhaust from the solid oxide fuel cell.

The utility model relates to the field of steam turbine generators, and discloses a bearing seat upper cover with an oil cut-off protection function, an oil tank is arranged on the bearing cover, and an oil tank oil inlet pipe, a bearing bush oil inlet pipe and a liquid level maintaining pipe are arranged in the oil tank to protect a generator bearing bush from being damaged when an oil supply system has an oil cut-off fault. When the generator operates normally, lubricating oil flows into the oil tank through the oil tank oil inlet pipe, and the lubricating oil in the oil tank flows into the bearing bush through an inlet in the upper portion of the bearing bush oil inlet pipe, so that rated oil quantity required by normal operation of the generator is provided for the bearing bush. Lubricating oil in the oil tank flows into the bearing bush through the oil drainage hole in the bearing bush oil inlet pipe, the generator bearing can operate for a period of time, and the generator bearing bush is protected against damage. The device is simple, reliable, practical and convenient.

The lubricating oil monitoring device comprises an oil filtering tank, a first connecting pipeline and a third connecting pipeline are arranged on the two sides of the oil filtering tank respectively, the first connecting pipeline is connected with a flange plate at one end of a flow meter through a flange plate arranged at one end of the first connecting pipeline, and the third connecting pipeline is connected with a second connecting pipeline through a flange plate arranged at the other end of the second connecting pipeline. A flange plate arranged at the other end of the flowmeter is connected with a flange plate arranged at one end of a second connecting pipeline, a second pressure transmitter is arranged on the first connecting pipeline, a first pressure transmitter is arranged on the second connecting pipeline, and a flange plate arranged at one end of a third connecting pipeline is connected with a flange plate arranged at one end of a fourth connecting pipeline. A pressure transmitter III is arranged on the connecting pipeline III, a pressure transmitter IV is arranged on the connecting pipeline IV, a filter screen plate is longitudinally inserted into the oil filter tank, and a temperature sensor is arranged on the left side of the top of the oil filter tank. The lubricating oil safety monitoring device can realize multi-aspect safety monitoring of lubricating oil.

The invention discloses a Mars nuclear energy-compressed air energy storage and magnesium combustion pressurization integrated power system based on an open Brayton cycle, belongs to the field of space energy engineering, and aims to provide a multi-level comprehensive energy solution from stable base load to extreme peak power for a Mars base. The system sucks in Mars atmosphere, and after the Mars atmosphere is compressed by the gas compressor and heated by the nuclear reactor, the turbine generator set is driven to generate stable base load electric power; in the electric power valley period, the mars atmosphere is compressed and stored in the gas storage container through surplus electric power of the base load power source; in the peak period of power demand, the stored high-pressure gas is released to drive the energy storage turbine generator set to carry out peak regulation; when extreme peak power is needed, the stored high-pressure gas is guided into the combustion chamber before entering the energy storage turbine, and then the high-pressure gas is instantly heated to ultrahigh temperature by injecting combusted metal magnesium, so that the peak power far beyond the conventional mode is exploded. The method is suitable for efficient utilization of local resources of Mars and scenes with wide-range power requirements.

A method and system for horizontally mating an offshore wind turbine generator assembly, typically including a tower and wind turbine nacelle and blades, with a substructure platform to form an integrated substructure unit, wet towing the unit to installation site offshore, and then installing the unit independent of cranes and derricks.

A turbine generator assembly for a power generation or cogeneration device. The assembly includes a turbine, a compressor and a motor-generator mechanically coupled by a central element. The assembly further includes an angular position detector of the central element in the form of a target attached to the end of the central element and an inductive sensor stationary relative to a stator of the motor-generator arranged to cooperate with the target.

The utility model discloses a river channel hydroelectric generation system which comprises a river channel with a fall, an artificial water channel is arranged on one side of the river channel, an inlet and an outlet of the artificial water channel are communicated with the river channel, a main water gate is arranged at the inlet of the artificial water channel, a plurality of turbine generator sets are sequentially arranged on the artificial river channel, and each turbine generator set comprises a shell. A turbine shaft is vertically installed in the shell, turbine blades are installed on the turbine shaft, the upper end of the turbine shaft extends out of the top of the shell and is connected with the power generation assembly, a water inlet is formed in the front side of the shell, a water outlet is formed in the rear side of the shell, a flow velocity sensor and a water level sensor are arranged on the front side of the water inlet, and the inner side of the shell is flush with the side wall of the artificial water channel and hinged to an adjusting cover. The adjusting cover is connected with a telescopic rod of an air cylinder installed on the side wall of the artificial water channel, a groove is formed in the position, corresponding to the turbine generator set, of the other side wall of the artificial water channel, and the outer side of the shell is arranged in the groove. The utility model has the advantages of strong stability, high power generation efficiency, long service life, convenience in repair and maintenance and the like.

A steam turbine generator unit is disclosed. The steam turbine generator unit comprises a lower deck, an upper deck, and a steam turbine generator. The steam turbine generator is installed on the lower deck and on the upper deck. The steam turbine generator unit also comprises at least three joint members, to be intended placed over at least two parallel beams. Also disclosed is a method for installing a steam turbine generator unit.

The invention relates to a turbo-alternator group (3) comprising: - an alternator (5) comprising a driven shaft (16); - at least one drive stage (E1) comprising a plurality of turbines (7), each turbine (7) comprising a rotor (13) driving a drive shaft (15), the drive shaft (15) carrying a primary gear (17); and - a transmission reduction system (19) mechanically connecting each primary gear (17) to the driven shaft (16) with a reduction ratio strictly greater than 1, the transmission reduction system (19) comprising an intermediate shaft (21) carrying one secondary gear (23) per drive stage (E1), such that, in each drive stage (E1), each primary gear (17) meshes with the secondary gear (23) of the drive stage (E1). The invention also relates to a power plant (1) comprising such a turbo-alternator group (3).

A turbo generator rotor assembly is provided and includes a generator, first and second bearings on a compressor-side and a turbine-side of the generator and a combination seal configuration in which leakage from the compressor cools the first bearing, the generator and the second bearing. The combination seal configuration leads to minimal leakage past the turbine with the generator and the first and second bearings being cooled with leakage flow from the compressor.

The invention discloses a river channel hydroelectric generation system which comprises a river channel with a fall, an artificial water channel is arranged on one side of the river channel, an inlet and an outlet of the artificial water channel are communicated with the river channel, a main water gate is arranged at the inlet of the artificial water channel, and a plurality of turbine generator sets are sequentially arranged on the artificial river channel and comprise shells. A turbine shaft is vertically installed in the shell, turbine blades are installed on the turbine shaft, the upper end of the turbine shaft extends out of the top of the shell and is connected with the power generation assembly, a water inlet is formed in the front side of the shell, a water outlet is formed in the rear side of the shell, a flow velocity sensor and a water level sensor are arranged on the front side of the water inlet, and the inner side of the shell is flush with the side wall of the artificial water channel and hinged to an adjusting cover. The adjusting cover is connected with a telescopic rod of an air cylinder installed on the side wall of the artificial water channel, a groove is formed in the position, corresponding to the turbine generator set, of the other side wall of the artificial water channel, and the outer side of the shell is arranged in the groove. The power generation device has the advantages of high stability, high power generation efficiency, long service life, convenience in overhaul and maintenance and the like.

This invention discloses a self-powered intelligent pressure cooker based on multimodal energy harvesting, belonging to the field of energy-saving intelligent kitchen cookware technology. The device includes a pressure cooker body, a sealed pressure-bearing component, a thermoelectric power generation module, a pressure differential piezoelectric power generation module, a steam micro-turbine power generation module, an energy integration management unit, a temperature acquisition sensor, a pressure acquisition sensor, and a low-power digital display module. The thermoelectric power generation relies on the temperature difference between the high temperature at the bottom of the pot and the low temperature of the environment to generate electricity; the pressure differential power generation utilizes the pressure pulsation deformation of the steam inside the pot to generate electricity; and the steam kinetic energy generation relies on the depressurization and exhaust to drive the micro-turbine generator set for energy replenishment. After rectification, filtering, supercapacitor energy storage, and power supply voltage regulation and distribution, the three power sources are self-powered by the high-precision temperature and pressure sensors and the digital display unit throughout the process, without the need for external mains power or battery replacement. It is preferably equipped with a low-power E-ink display, which can be expanded to include real-time video preview inside the pot and wireless data upload when there is excess energy; it solves the industry pain points of traditional smart pressure cookers that rely on power supply / battery, have limited battery life, and are cumbersome to install and disassemble for power supply. It also has the advantages of energy saving and environmental protection, pressure resistance and safety, real-time accurate monitoring, and all-weather maintenance-free operation, making it suitable for both household and commercial high-pressure cooking scenarios.

The present application relates to the technical fields of ocean engineering and renewable energy, and discloses a back wave water inlet type oscillating water column structure based on long wave reduction and energy extraction, comprising a wave reduction main body, a support, a pile foundation and a turbine generator set with an air turbine, further comprising an arc-shaped movable door, which is provided with two interlayers and is slidingly connected to the wave reduction main body, and a back water inlet opening is formed on one side of the wave reduction main body and matched with the two arc-shaped movable doors. By setting the back water inlet opening on the back wave side of the wave reduction main body, the wave reduction is achieved by the phase difference between the water level modulation caused by the cavity liquid surface fluctuation and the cavity external liquid surface fluctuation. The technical solution can optimize the wave response under different wave periods by synchronously adjusting the size of the water inlet opening, enhance the energy extraction efficiency and reduce the wave transmission rate, and is suitable for various layout forms in offshore and open sea areas, and has good wave adaptation ability and integrated characteristics of wave reduction and energy extraction.

The invention relates to a turbo-alternator group (3) comprising: - an alternator (5) having a driven shaft (16), - at least one drive stage (E1) having several turbines (7), in which each turbine (7) has a rotor (13) driving a drive shaft (15), the drive shaft (15) carrying a primary gear (17), and - a transmission reduction system (19), which mechanically connects each primary gear (17) to the driven shaft (16) with a reduction ratio strictly greater than 1, the transmission reduction system (19) having an intermediate shaft (21) carrying a secondary gear (23) per drive stage (E1), such that in each drive stage (E1), each primary gear (17) is meshed with the secondary gear (23) of the drive stage (E1). The invention also relates to a power plant (1) comprising such a turbo-alternator unit (3). Figure for the abstract: Fig. 1