147 results about "Steam power" patented technology

The invention relates to the technical field of power generation system transformation, in particular to an energy storage power generation system and method based on thermal power plant transformation. The Carnot battery unit comprises a liquid carbon dioxide storage tank, an electric heater, a compressor, a heat storage transducer heat flow channel and an expansion machine which are connected in sequence, and the liquid carbon dioxide storage tank adopts a boiler drum of a thermal power plant and stores liquid carbon dioxide liquefied by a water chilling unit of the thermal power plant; the heat storage circulating unit exchanges heat with a heat flow channel of the heat storage transducer to store heat; the steam power generation unit adopts a thermal power plant steam generator set and extracts heat stored by the heat storage circulation unit for steam power generation. The thermal power generating unit is transformed into the carbon dioxide Carnot battery energy storage system, the defect that a power grid is unstable in the process that a traditional thermal power plant is gradually converted into new energy is overcome, double stable output electric quantity is achieved, the system efficiency is improved, and meanwhile high economic benefits are achieved.

A gas and steam power generation afterburning type heat-electricity decoupling system and a working mechanism thereof, characterized in that the system comprises a gas turbine power generation system, a power transmission and transformation system, a molten salt heat storage system and a steam power generation system; the gas turbine power generation system is connected with the molten salt heat storage system through a flue gas pipeline; the molten salt heat storage system is connected with the power transmission and transformation system through a cable; the gas turbine power generation system is connected with the power transmission and transformation system through a cable; the molten salt heat storage system is connected with the steam power generation system through a main steam pipeline and a backwater pipeline; and the steam power generation system is connected with the power transmission and transformation system through a cable. The system can realize complete heat-electricity decoupling in a green energy storage system, realize the functions of self-supply of external power, storage of green electricity or heat supply, increase the accommodation capacity of a power grid to green electricity, and enhance the stability, flexibility and safety of a new power system.

The invention discloses a spin-drying device for seaweed for sports injury repair and a working method thereof.The spin-drying device for the seaweed for sports injury repair comprises a suspension type drying frame, a steam power boiler and a dehydration dryer, the steam power boiler generates high-pressure steam by collecting light and heat, the high-pressure steam enters the turbine transmission machine to drive the turbine transmission machine and drive the suspension type drying frame to rotate, and the suspension type drying frame can be unfolded during rotation. During use, after the suspension type drying frame is unfolded, seaweeds are put into the dehydration dryer, the drying frame can scatter the seaweeds and hang the seaweeds on the suspension type drying frame, at the moment, the suspension type drying frame drives the seaweeds to rotate at a high speed, so that water on the surfaces of the seaweeds is thrown away, airflow flow is formed, and meanwhile steam releases heat through the turbine transmission machine; the drying device is used for increasing the temperature in the dehydration dryer, so that seaweed is dried under the combined action of centrifugal force and high-speed airflow.

A liquid blast furnace slag granulation and waste heat recovery system and method, which comprises a cyclone heat exchange device, a granulation device, a waste heat recovery device and a steam power generation device. Compressed air and water are mixed in the granulation device injector cavity to form a high-speed jet, which shears the molten blast furnace slag from the flow guide cover, and the molten slag is broken and solidified into solid particles; the granulated blast furnace slag enters the cyclone heat exchanger with high-temperature air and water vapor to achieve rapid separation, the deoxygenated water is transported into the spiral pipe bundle and exchanges heat with the high-temperature gas outside the pipe to obtain saturated or superheated steam, which is transported to the second heat exchanger of the waste heat recovery device; the high-temperature slag separated from the gas enters the first heat exchanger of the waste heat recovery device, and the cooling water flowing therein rapidly absorbs the heat of the high-temperature slag to change into water vapor; the saturated or superheated water vapor generated by the steam drum, the first and second heat exchangers of the cyclone heat exchange device enters the steam turbine to drive the power generation device, and finally the thermal energy is converted into electric energy which is supplied to users through the power transmission and distribution device.

The utility model relates to the technical field of steam power generation turbines, in particular to a mixed flow type saturated steam power generation turbine which comprises a cylinder, the cylinder comprises a vertical inlet cavity and a horizontal outlet cavity which are communicated, and reinforcing ribs are arranged at the positions, corresponding to the joint of the two cavities, of the inner wall of the cylinder. A protruding structure at the bottom of the side, away from the horizontal outlet cavity, of the outer wall of the air cylinder is fixedly connected with a gearbox. The stationary blade assembly comprises a first-stage radial flow stationary blade fixedly arranged on the inner wall of the vertical inlet cavity and a second-stage axial flow stationary blade fixedly arranged on the reinforcing ribs; the rotor assembly comprises a rotating part connected with the high-speed shaft of the gear box, a first-stage radial flow vane impeller and a second-stage axial flow vane impeller, wherein the periphery of the rotating part is sleeved with the first-stage radial flow vane impeller and the second-stage axial flow vane impeller. The radial flow turbine and the axial flow turbine are combined to form the mixed-flow turbine, so that the working capacity of a single cylinder is improved, the power generation efficiency is improved, the cost is saved, and the unit size is reduced.

The application discloses a generator set shared peak regulation system and a working method thereof. The system comprises a steam generator, a steam power generation device, a heat recovery device, a generator, an energy storage switch, a water taking shutoff valve, a backwater regulating valve, a molten salt cold tank, a cold molten salt pump, a molten salt electric heater, a hot molten salt tank, a hot molten salt pump, a feedwater heater inlet shutoff valve, a feedwater heater, a feedwater heater outlet shutoff valve, a heat network water heater inlet shutoff valve, a heat network water heater, a heat network water heater outlet regulating valve and a heat network water taking shutoff valve. The application realizes the peak regulation of two or more generators by one peak regulation system, is a shared energy storage system, uses a heat storage medium such as molten salt to realize large-capacity, long-time and high-quality energy storage, realizes the deep peak regulation of the unit, and the heat energy has diversified uses. The application can realize the flexible transformation of the whole plant through single investment, and has high equipment utilization.

The application relates to an IGCC system coupled with biomass and near-zero emission high-purity CO2 capture and a working method thereof, and belongs to the field of coal gasification combined cycle power generation coupled with biomass, in particular to an IGCC system coupled with biomass and near-zero emission high-purity CO2 capture and a working method thereof. The application is used for solving the problems that the existing IGCC system has low CO2 capture rate, high energy consumption, low power generation efficiency, and a large amount of nitrogen generated in the oxygen taking process and difficult to effectively utilize. The application comprises an air separation device, a gasification furnace, a sensible heat recovery device, a purification device, a gas power generation unit, a waste heat recovery unit, a steam power generation unit, a biomass fermentation device, a methane reforming unit, an adsorption separation unit and an ammonia synthesis tower. The application is based on the overall coal gasification combined cycle power generation system of post-combustion CO2 capture and oxygen-enriched combustion technology, introduces a biomass ammonia synthesis process, generates H2 and CO through biomass fermentation and reforming, utilizes N2, and improves the system efficiency.

To provide a control device, a control method and a control program for a steam power generation plant which allows separation of some steam generators while maintaining a stable operation state.SOLUTION: At least one of steam supply systems in a composite cycle power generation plant comprises: a first steam generator; a first passage in which steam generated by the first steam generator flows; a second steam generator; a second passage in which steam generated by the second steam generator flows; a third passage connecting a merging part of the first passage and the second passage and a steam turbine; and a bypass passage branching from the first passage. A first cutoff valve and a second cutoff valve are arranged in the first passage and the second passage, and a bypass valve is arranged in the bypass passage. In such a plant, an opening operation from a full-closed state of the bypass valve is started at a separation start timing of starting a closing operation from a full-open state of the first cutoff valve with the second cutoff valve fully opened.SELECTED DRAWING: Figure 2

High-temperature and high-pressure gas is generated according to an internal combustion engine steam engine basic principle using method to drive piston motion, and the motion is converted into mechanical motion. The design principle of the hydrogen water vapor power internal combustion steam engine is based on the principle. According to the characteristic that the combustion temperature of hydrogen is high, the characteristic that water can be electrolyzed into hydrogen and oxygen, and the characteristic that the boiling point of the water under conventional atmospheric pressure is 100 DEG C, the hydrogen water vapor power internal combustion steam engine is integrated to obtain a result.

The invention relates to the technical field of energy power, and particularly discloses a power generation device for generating water vapor energy through an internal combustion engine set. The device comprises a compression starting system, a heat energy exchange system, a steam power system, a residual pressure and circulation system and an intelligent management system. A compression system is started to compress air to generate high-temperature and high-pressure gas; the heat energy exchange system uses the gas to heat water into high-pressure steam; the steam power system is driven by steam to generate electricity; the residual pressure and circulating system recycles dead steam residual pressure to drive air inlet pressurization, heat preservation is conducted through waste heat, and steam is condensed into water to be recycled; and the intelligent management system performs cooperative control. Water vapor autonomous power generation is achieved through physical compression and countercurrent flow heat exchange, energy gradient utilization and working medium closed-loop circulation are achieved, and the device has the advantages of being efficient, clean and capable of running continuously.

The invention relates to the technical field of saturated steam power generation, in particular to a saturated steam power generation system for waste heat steam gradient utilization, and aims to improve waste heat recovery efficiency and system stability. The input end of the main steam-water separator is connected with a middle-high pressure waste heat steam source through a main steam inlet pipeline; the input end of the steam supplementing steam-water separator is connected with a low-pressure waste heat steam source through a steam supplementing inlet pipeline; the steam turbine comprises a high-pressure cylinder and a low-pressure cylinder; the high-pressure cylinder is connected with the output end of the main steam-water separator through a main steam pipeline, and the low-pressure cylinder is connected with the output end of the steam supplementing steam-water separator through a steam supplementing steam pipeline. The generator is connected with the steam turbine; a steam inlet of the condenser is connected with a steam exhaust port of the steam turbine through a steam exhaust pipeline, and a condensed water outlet is connected to a user point through a water return pipeline. And gradient utilization and collaborative operation are adopted in the system, and maximum utilization of steam energy is achieved.

The present application relates to carbonization equipment technical field, specifically to a kind of carbonization system, the bottom of carbonization furnace is provided with smoke exhaust groove and cracking groove, respectively cover heat exchange plate and heat conducting plate, smoke flue is arranged in the bottom of carbonization furnace, so that the design of downward smoke exhaust can avoid to a certain extent in the carbonization process smoke emission outside. Heat conducting plate is used to the tar in the smoke gas passing in cracking groove for secondary cracking, it is convenient to burn steam power generation device and the combustible material such as cracking tar in water gas and smoke gas is burned to generate electricity, reduce the consumption of external electric energy to burn power generation. And the heat exchange tube passing in heat exchange plate can heat the water in the combustion steam power generation device and vaporization spray pipe, improve the energy utilization of biomass. High-temperature carbon discharged by carbonization furnace is received by cooling stack carbon chamber, and high-temperature water mist is sprayed by vaporization spray pipe, so that water gas can be prepared in addition to cooling high-temperature carbon, and one can achieve two goals.

The invention relates to a steam power system fault determination method and device, computer equipment, a readable storage medium and a program product. The method comprises the following steps: inputting real-time monitoring data of a target measurement point into a first residual attention module in a plurality of residual attention modules, sequentially processing the real-time monitoring data by the plurality of residual attention modules, and obtaining a full-connection network based on an output feature obtained by processing the last residual attention module in the plurality of residual attention modules and the full-connection network; and obtaining the fault type of the steam power system. The fault type of the steam power system is determined through sequential processing of the multiple residual attention modules, and the accuracy of the obtained fault type can be improved.

The invention discloses a heat supply and power generation system coupled with molten salt heat storage to improve the flexibility of a thermoelectric load and an operation method. The heat supply and power generation system comprises a multi-source heat source module, a molten salt heat storage and release module, a steam power generation module, a graded heat supply module, a multi-medium heat exchange module and an intelligent regulation and control module. The multi-source heat source module comprises a pulverized coal boiler of a main heat source unit and a solar trough heat collector array and a biomass circulating fluidized bed boiler of an auxiliary heat source unit; the molten salt heat storage and release module comprises a high-temperature heat storage tank, a low-temperature heat storage tank, a molten salt circulating pump, a molten salt make-up pump, a molten salt heater and a molten salt cooler. Through the collaborative design of the multi-source heat source module, the molten salt heat storage and release module, the steam power generation module, the graded heat supply module, the multi-medium heat exchange module and the intelligent regulation and control module, the thermoelectric coupling rigidity is broken through, and the load regulation flexibility is remarkably improved.

The invention relates to a combined heat and power supply system, a combined heat and power supply control method and device and computer equipment, the system comprises a fuel cell power generation subsystem and a waste heat boiler which are connected, and a steam power generation heat supply subsystem and a heat storage subsystem which are connected with the waste heat boiler, the waste heat boiler heats water through smoke and inputs generated steam into a steam turbine of the steam power generation and heat supply subsystem, the steam turbine uses part of the steam for driving a power generator to supply power and pumps part of the steam into a heat supply network heater to supply heat, and the waste heat boiler further heats a heat storage medium conveyed by a first heat storage device through the smoke. And the heated heat storage medium is input into the second heat storage device, and the second heat storage device conveys the heated heat storage medium into the supplementary heating network heater for heat supply. By the adoption of the system, the thermal load requirement can be better met.

The steam power heating condensate water recycling device relates to the technical field of steam power heating, and has the beneficial effect that the object to be heated is introduced into the heat exchange pipe through the feeding pipe, steam is cooled by the object in the heat exchange pipe to become condensate water, and the condensate water falls to the bottom wall of the tank body; steam with heat is discharged from the air outlet pipe to the steam tank, the steam is secondarily cooled by the cold air in the condensing pipe to become condensate water, and the condensate water reaches the lower right side of the steam tank; the condensate water in the steam tank reaches the water pipe, is uniformly introduced into the filter tank, is filtered by the filtering sponge in the filter tank, reaches the hot water tank after being filtered, is mixed with the hot water in the hot water tank, and then reaches the steam power heater, so that the condensate water is recycled and used, and the water resource is protected.

The application provides a double-power coupling type wind and steam complementary power generation device, relates to the technical field of wind power generation devices, and comprises a generator set, a wind power generation device is installed at the top of the generator set, the wind power generation device comprises a mounting rod, a gear box is fixed at the top of the mounting rod, connecting shafts are arranged at the two ends of the gear box, a first fan blade is arranged at the front end of the gear box, and a second fan blade is arranged at the rear end of the gear box, a sleeve frame is fixed at the positions of the first fan blade and the second fan blade corresponding to the connecting shafts, and the sleeve frame is sleeved on the connecting shafts, and an opening is arranged at the upper end of the sleeve frame, compared with the prior art, the two groups of fan blades can be used alternately, one group of damaged fan blades is disassembled and sent to the lower part for maintenance, and the other group of fan blades is used for replacement, so that the continuous operation of the wind power generation device is maintained, high-temperature compressed gas is sent into the steam power generation device through a compression assembly, the consumption of fuel is reduced, and power generation is jointly completed.

The application discloses a mine wastewater treatment equipment and a mine wastewater treatment method, which are provided with a steam power generation device, the steam power generation device generates power by using the waste heat or energy of water vapor, and then can supply power to an electric heating plate through an output circuit, the waste heat of the water vapor is fully utilized, the mains electricity of electric appliances such as the electric heating plate is saved, and production cost is reduced.

The invention discloses a micro-grid optimization scheduling method containing interface solar steam power generation and wave energy power generation. The method comprises the following steps: establishing an interface solar steam power generation device discretization model and a wave energy power generation fitting model; with electrical load, hydrogen demand and water demand as the core, electric energy storage and hydrogen storage are considered in a combined manner, and a micro-grid optimization model containing interface solar steam power generation and wave power generation is established; establishing constraint conditions of the micro-grid optimization model; performing simulation calculation in different scenes; and testing the system stability under extreme working conditions. According to the scheduling method, the dual dilemma of energy shortage and fresh water shortage in the island region can be solved, the dependence on traditional energy can be reduced, the energy transportation cost and the environmental risk are reduced, and the energy utilization efficiency and the environmental friendliness are improved.

The invention discloses a high-efficiency and high-reliability direct-mixing condenser system, which belongs to the technical field of steam power system condensers and comprises a condenser shell, a water chamber arranged in the condenser shell and a dead steam cooling space formed between the condenser shell and the water chamber. A plurality of groups of nozzles facing the dead steam cooling space are arranged on the water chamber at intervals, and the interior of the water chamber is divided into a plurality of subareas corresponding to the nozzles in number, so that each subarea corresponds to one group of nozzles; a water pump, first-stage coarse adjustment valves and second-stage fine adjustment valves are sequentially arranged on a water inlet pipeline connected with the water chamber in the water inlet direction, the second-stage fine adjustment valves are arranged side by side, and the number of the second-stage fine adjustment valves corresponds to the number of the subareas, that is, each second-stage fine adjustment valve is communicated with the corresponding subarea through a branch; the first-stage coarse adjustment valve is configured to perform open-loop control by adopting an open-loop controller, and the second-stage fine adjustment valve is configured to perform closed-loop control by adopting a closed-loop controller; the reliability and efficiency of the pump system can be improved.

A high-efficiency steam power cycle system for cascaded utilization of energy includes a steam cycle system and an organic working fluid Rankine cycle system. The steam cycle system includes a steam generator, a steam turbine, a condenser, and a separation device. The separation device is provided with a first outlet and a second outlet. An outlet of the steam generator, the steam turbine, the condenser, an inlet of the separation device, the first outlet, and an inlet of the steam generator are sequentially connected. The organic working fluid Rankine cycle system includes a heat exchanger; the heat exchanger is provided with a water-based absorbent inlet and a water-based absorbent outlet. The water-based absorbent outlet, an inlet of the condenser, the inlet of the separation device, the second outlet, and the water-based absorbent inlet are sequentially connected.

The utility model provides a kind of dry quenching power generation system of combined steam power generation and steam extraction using multiple parameters, belongs to dry quenching power generation system technical field, comprising: dry quenching boiler, waste heat boiler, make-up extraction condensing steam turbine, generator, adjustable medium-pressure steam extraction port, low-pressure make-up regulating valve and steam-water separator;Main steam produced by dry quenching boiler is passed into the main steam port of make-up extraction condensing steam turbine by main steam pipeline, and low-pressure saturated steam produced by waste heat boiler is passed into the make-up port of make-up extraction condensing steam turbine by make-up pipeline;The system drives generator to generate electricity by make-up extraction condensing steam turbine through main steam and low-pressure saturated steam, without using parameter reduction device to reduce parameter, so as to reduce energy waste and improve overall thermal efficiency. And by setting adjustable adjustable medium-pressure steam extraction port, the extraction amount of medium-temperature medium-pressure steam can be adjusted according to the needs of chemical production section in factory area.

The invention discloses a corrosion-resistant silicon-based efficient energy-saving heat exchanger with an evaporation function, and belongs to the technical field of energy-saving heat exchangers. The corrosion-resistant silicon-based efficient energy-saving heat exchanger comprises a horizontally-arranged corrosion-resistant shell, and a first liquid inlet pipe, a second liquid outlet pipe, a first liquid outlet pipe and a second liquid inlet pipe are fixedly mounted on the left side and the right side of the corrosion-resistant shell correspondingly; a first movable disc and a second movable disc are rotationally mounted in the left side and the right side of the corrosion-resistant shell correspondingly, and heat exchange tube nests are rotationally connected between the first movable disc and the second movable disc. A transmission assembly is arranged between the right end of the heat exchange tube nest located at the highest position and the corrosion-resistant shell, and the adjacent heat exchange tube nests are in transmission connection through a transmission belt. According to the corrosion-resistant silicon-based efficient energy-saving heat exchanger with the evaporation function, steam power generated by evaporation can be used for driving the heat exchange tube nests to rotate, meanwhile, efficient cleaning and descaling of the inner walls and the outer walls of the heat exchange tube nests are achieved in cooperation with the cleaning mechanism, and corrosion resistance and heat exchange efficiency are effectively improved.

To provide a condenser system capable of suppressing waste of makeup water and reducing the amount of makeup water, and an operation method thereof.SOLUTION: The condenser system 100A includes the condenser 112 that cools and condenses the vapor exhausted from the vapor turbine, the vacuum pumps 51 that extract the gas in the condenser 112, the storage tank 52 that separates and stores the moisture in the gas extracted by the vacuum pumps 51 and fed from the vacuum pumps 51, and the overflow water return line L8 that returns the overflow water from the storage tank 52 to the condenser 112 side.SELECTED DRAWING: Figure 2

A sun-tracking type steam power generation system comprises a solar energy collecting assembly, a power device and a power generator, and the solar energy collecting assembly comprises a rack, a Fresnel lens, a connecting piece, a connecting rod assembly, a first driver, a second driver and a steam pipe. The first driver is arranged on the rack and connected with the connecting piece to drive the connecting piece to swing around a first swing axis, and the second driver is arranged on the connecting piece and connected with the connecting rod assembly to drive the connecting rod assembly to swing around a second swing axis; the Fresnel lens focuses light to the steam pipe so as to heat water in the steam pipe, steam is generated and output from the output end of the steam pipe so as to drive the power device to act, and the power device drives the generator to act so as to generate electric energy.

The invention relates to the technical field of deep peak regulation and energy conservation and consumption reduction, and discloses a bypass regenerative turbine system for low-load feed water heating of a thermal power generating unit, which comprises the following modules: a boiler, a main throttle valve, a low-load bypass regulating valve, a main regulating valve, a bypass regenerative turbine and a feed water temperature regulator. A main steam outlet pipeline of the boiler is connected with a main steam valve, and an outlet flange of the main steam valve is connected to an inlet of a main regulating valve. An existing steam turbine steam cycle power generation system is improved, a bypass regenerative turbine special for boiler feed water temperature adjustment is arranged, the turbine exhaust pressure and the exhaust steam flow are controlled by changing the opening degree of a bypass adjusting valve and the rotating speed of the turbine, and the boiler feed water temperature is always within the optimal temperature range; and moreover, part of non-throttling main steam during low-load constant-pressure operation can be utilized to improve the steam power capability, the coal consumption rate of the unit is reduced, and the overall energy-saving level of the unit is improved.

The application provides a compound control system and method of a steam power system, and relates to the technical field of the steam power system; the compound control system comprises a heat source control system and a feedwater control system; the heat source control system comprises a first open-loop controller, a first closed-loop controller, a fuel adjusting system, a heat source system and a fuel and feedwater ratio solving unit; and the feedwater control system comprises a second open-loop controller, a second closed-loop controller, a feedwater system and a boiler. The application adopts a compound control strategy combining open-loop control and closed-loop control for heat source power control and feedwater system control, which is beneficial to the rapid response of the feedwater flow itself, avoids the problem that the feedwater control system and the heat source power control system affect each other, can greatly shorten the feedwater adjusting time, and significantly improves the dynamic response performance.

The invention discloses an energy storage power generation system which comprises an electric energy conversion device or a heat energy collection device used for converting electric energy into heat energy or collecting the heat energy; the heat energy storage device is used for storing the heat energy converted by the electric energy conversion device or the heat energy collected by the heat energy collection device; the steam power generation device is used for generating power by using the stored heat energy; and the pipeline passes through the electric energy conversion device or the heat energy collection device, the heat energy storage device and the steam power generation device, and the pipeline is filled with a first heat-conducting medium. The energy storage power generation system can be stored and used in a large scale according to actual needs and peak-valley conditions. Power grid pressure is changed fundamentally, dependence on coal, petroleum, natural gas and the like is eliminated fundamentally, an energy structure is changed thoroughly, and carbon emission is reduced thoroughly.

The invention provides a thermal power carbon capture and energy storage integrated system based on a calcium cycle coupling chemical looping combustion technology, and belongs to the field of thermal chemical energy storage and CO2 capture. The system comprises an energy release / CO2 absorption unit and an energy storage / CO2 release unit, and integration of CO2 capture and energy storage can be realized at the same time. The energy release / CO2 absorption unit comprises a compressor, a mixer, a carbonation / oxidation reactor, an expansion machine and a steam preheater which are connected in sequence; the energy storage / CO2 release unit comprises a calcination / reduction reactor and a Rankine cycle part connected with the calcination / reduction reactor; in the system, CaO / MeOx-1 is converted into CaCO3 / MeOx through carbonation / oxidation reaction, CaCO3 / MeOx is converted into CaO / MeOx-1 through calcination / reduction reaction, and circulation is formed. The invention solves the problem of low power generation efficiency in the energy release process due to the temperature of superheated steam lower than 650 DEG C because the existing calcium-based CO2 capture / energy storage integrated system releases energy in the form of generating power through heat recovery and steam production.