35results about How to "Generating power is stable" patented technology

The invention belongs to the technical field of distributed generating micro-grid systems, and provides an energy management system for the grid-connected operation of a wind and photovoltaic power storage micro-grid system, wherein the micro-grid system is connected to an alternating-current bus through a current conversion system and connected with a large power grid, and the factory load is also connected to the large power grid. The wind and photovoltaic power storage micro-grid system is composed of at least a wind driven generator unit, at least a photovoltaic power generation unit and at least an energy storage device. The micro-grid energy management system controls the grid-connected operation of the wind and photovoltaic power storage micro-grid system, and carries out starting, stopping and power control on each unit of the wind and photovoltaic power storage micro-grid system, so that each unit of the wind and photovoltaic power storage micro-grid system can run safely and stably, only supplies power to the factory load and does not supply power to the large power grid. According to the invention, through the energy management of the wind and photovoltaic power storage micro-grid system, each unit of the wind and photovoltaic power storage micro-grid system can carry out grid-connected operation safely; and when the factory load is changed, the energy management system carries out starting, stopping and power control on each unit of the wind and photovoltaic power storage micro-grid system, so that each unit of the wind and photovoltaic power storage micro-grid system can run safely and stably, only supplies power to the factory load and does not supply power to the large power grid.

The invention discloses a variable-pitch robust control method based on a UDE for a wind generating set. The method comprises the steps of creating a dynamic model of wind-driven generators on the basis of unmodeled dynamics and disturbance of the wind generating set; defining dynamic characteristics of regulation errors and expectation errors; rewriting the dynamic model of the wind generating set and obtaining a preliminary expression of a pitch angle controller; arranging a low pass filter for carrying out approximation on non-affine uncertain items and disturbance terms of the dynamic model of the wind-driven generators, substituting the approximation result into the preliminary expression of the pitch angle controller, carrying out Laplace transformation, carrying out inverse Laplace transformation after merging and sorting and obtaining final pitch angle control signals. In the design process, the problem that the design of a non-affine system controller is difficult is solved, the unmodeled dynamics and the environmental disturbance of a system are fully considered, the structure of an obtained controller is simple, the number of needed parameters is small, the robustness is good, the anti-jamming capability is high, a more stable wind wheel rotation speed and more stable generation power can be provided, and high-quality electric energy can be provided for a power grid.

The invention relates to the field of power, in particular to a method for wind generation and device thereof. The method includes the steps of: firstly compressing air into an air storage container, using the high-pressure air in the air storage container to drive a turbine and achieving the wind generation by a generator driven by the turbine. An air compressing system is arranged between a blade transmission set and a generator set, namely, the kinetic energy from the rotation of the blade is converted into the compressed air by an air compressor to be stored; then the compressed air in the air storage container of the air compressor drives the generator set to rotate to achieve the generation, so that the power of generation can be stabilized greatly through the adjustment of the air outlet valve of the air storage container, the adjustment of the brake and rotary speed of the blade can be realized through the configuration of the air compressing system and the like. The air can be stored when the wind is heavy or released when the wind is light, thus the wind generation is not limited by the wind power any more.

The invention discloses a device for controlling loading and deformation of a wind turbine blade. The device is characterized in that the tip of the wind turbine blade is provided with a free rotation-type blade with proper length; a steering engine in the free rotation-type blade is connected with a control plane at the rear through a drive rod; the control plane is driven by the steering engine to rotate, and therefore the aerodynamic configuration of the free rotation-type blade is changed; the free rotation-type blade rotates around the wind turbine blade under the action of aerodynamic moment to change an angle of attack between the free rotation-type blade and incoming flow, and therefore the aerodynamic loading and deformation of the wind turbine blade are controlled. The device disclosed by the invention is broader in application range, and certain modification is performed on the traditional mature commercial wind turbine blade; not only is the precious time saved and the cost of redevelopment reduced but also the aerodynamic performance of the wind turbine blade under different working conditions can be improved; the output power of a wind turbine under different incoming flow conditions is stabilized; the working envelope of the wind turbine is enlarged, and therefore the annual energy output of the wind turbine is advantageously increased, and the safety of the blade and related equipment is also enhanced.

The invention discloses a hardening film for protecting a photovoltaic glass anti-reflection layer. The hardening film is obtained after coating the surface of the photovoltaic glass anti-reflection layer with hardening liquid and carrying out ultraviolet curing. The thickness of the hardening film coating ranges from 2 micrometers to 5 micrometers, and the hardening liquid is obtained after modified acrylate, photoinitiator, infrared reflection filler, a flattening agent and a solvent are evenly mixed according to the mass ratio of 100:(5-10):(0.1-0.5):(0.1-1):(10-30). Damage of severe external factors such as wind sand and hail to the glass anti-reflection layer can be effectively blocked, a proper amount of infrared reflection filler is added into the hardening liquid, part of pyrogenic infrared rays causing heating of an assembly can be reflected, the temperature of the inner layer is reduced, and good application prospects are achieved in the photovoltaic field, the photothermal field, the building field, the greenhouse field, the decoration field and other fields.

The invention discloses a water turbine transmission mechanism with controllable output. An annular inner shell is fixedly connected to a mandrel through a connecting ring, meanwhile, the inner shellis sleeved with an outer shell, an annular inner cavity is defined by the outer shell and the inner shell, outer ring axial sliding rods are evenly distributed on the inner wall of the outer shell, inner ring axial sliding rods are evenly distributed on the outer wall of the inner shell, the outer ring axial sliding rods are sleeved with multiple outer ring friction pieces, the inner ring axial sliding rods are sleeved with multiple inner ring friction pieces, and multiple pushing and driving mechanisms parallel to the axial direction are evenly distributed on the inner wall of the outer shell. The rotating speed of a runner can be changed and the runner can stop rotating by controlling the pushing and driving mechanisms, the interference degree of runner blades on an inner bin of a waterturbine is controlled, and therefore a safety passageway can be provided for upstream and downstream fishes. By means of the water turbine transmission mechanism, an upstream fish gate can be controlled to be opened and reduced or the water turbine can stop working in the fish flow period, and a condition is provided for timing automatic control.

The invention provides a pneumatic-mechanical-hydraulic integrated load shedding and vibration suppression system and method for a floating type wind turbine. The system comprises a blade variable pitch control subsystem, a supporting structure mechanical resistance increasing subsystem, a floater motion control subsystem and an integrated controller. The integrated controller is internally provided with a torque control algorithm, a unified variable pitch control algorithm and a cooperative control algorithm; the torque control algorithm is used for adjusting motor torques and rotating speeds of the wind turbine generator and the floater generator set; the unified variable-pitch control algorithm and the cooperative control algorithm are used for controlling the blade variable-pitch control subsystem to realize adjustment of a pitch angle; meanwhile, the cooperative control algorithm cooperates with the supporting structure mechanical resistance increasing subsystem and the floater motion control subsystem to control output force. According to the method, the torque control algorithm, the unified variable pitch control algorithm and the cooperative control algorithm are integrated, the stability of the generated power of the wind turbine generator and the floater generator set is kept, the load and vibration response of the wind turbine are effectively reduced, and the stability and safety of the supporting tower are greatly improved.

The invention discloses a water reaction metal fuel cyclone punching power generation system, and aims to solve the problems of low efficiency, environmental pollution, high fuel consumption and the like in traditional power generation modes. The water reaction metal fuel cyclone punching power generation system comprises a water storage container, a high-pressure pump, a high-pressure power system, a water pressure stabilizing unit, a machine box, a cyclone generator, an air supply system, a punching cone, a combustion chamber, a turbine set, a generator set and a waste gas treatment device.The water reaction metal fuel cyclone punching power generation system realizes controllable continuous reaction of water and metal particles under the conditions of normal temperature and normal pressure, is low in cost and high in efficiency, and is adopted as a power source of a power generation system to realize continuous and stable power generation of the power generation system. Further, the water reaction metal fuel cyclone punching power generation system adopts the water and metal reaction, so that the fuel cost is reduced, the ecological environment is not polluted, higher power generation efficiency and adaptability are achieved, and higher actual application value is achieved. The water reaction metal fuel cyclone punching power generation system is skillful in concept and reasonable in design, and can adapt to various working conditions to achieve wide application prospect.

The invention relates to an active motion suppression device for an offshore floating scientific research platform. The two ends of folding canvas are fixed to a pair of rigid movable supports; the wave measuring radar can monitor the sea wave environment condition far away from the platform in real time and obtain wave data, and the controller controls the rigid moving support to move to the position where the floating platform is prevented from generating the heaving motion trend under the influence of waves in advance according to the wave data. The controller can judge the force application direction of waves to the folding canvas in real time according to the damping direction of the damping sensor, so that the driving device is controlled to drive the rigid moving support to move along the sliding rail, the middle of the folding canvas is aligned with the center of the waves, and the folding canvas is unfolded as much as possible. The purpose of reducing heaving, rolling and pitching motions of the platform at the same time is achieved. In addition, the device can also effectively utilize ocean wave energy to generate electricity, so that electric energy supply is continuously provided for the offshore floating type scientific research platform.

The invention discloses a three-position power storage power generation mechanism of body builders. The three-position power storage power generation mechanism comprises a general assembly bottom plate, power storage spring storage mechanisms, a power generator and a self-comparison transmission assembly; and the power storage spring storage mechanisms store work of the body builder and transmit energy to the power generator through the self-comparison transmission assembly, the number of the power storage spring storage mechanisms is three, the self-comparison transmission assembly automatically compares the energy in the three power storage spring storage mechanisms, and the energy of the power storage spring storage mechanism with the highest energy is transmitted to the power generator. The three-position power storage power generation mechanism subverts the design mode of a power generation device of an existing body builder, and the novel three-position power storage power generation mechanism is used for meeting the requirement that the multiple comprehensive body builders share one power generator. The use performance and the power generation efficiency of the body builder are integrally improved, kinetic energy can be continuously, effectively and stably provided for the power generator, the power generation power is stabilized, meanwhile, the production cost of the comprehensive body builder is reduced, and maximum energy conversion and minimum resource allocation are achieved.

The invention belongs to the technical field of distributed generating micro-grid systems, and provides an energy management system for the grid-connected operation of a wind and photovoltaic power storage micro-grid system, wherein the micro-grid system is connected to an alternating-current bus through a current conversion system and connected with a large power grid, and the factory load is also connected to the large power grid. The wind and photovoltaic power storage micro-grid system is composed of at least a wind driven generator unit, at least a photovoltaic power generation unit and at least an energy storage device. The micro-grid energy management system controls the grid-connected operation of the wind and photovoltaic power storage micro-grid system, and carries out starting, stopping and power control on each unit of the wind and photovoltaic power storage micro-grid system, so that each unit of the wind and photovoltaic power storage micro-grid system can run safely and stably, only supplies power to the factory load and does not supply power to the large power grid. According to the invention, through the energy management of the wind and photovoltaic power storage micro-grid system, each unit of the wind and photovoltaic power storage micro-grid system can carry out grid-connected operation safely; and when the factory load is changed, the energy management system carries out starting, stopping and power control on each unit of the wind and photovoltaic power storage micro-grid system, so that each unit of the wind and photovoltaic power storage micro-grid system can run safely and stably, only supplies power to the factory load and does not supply power to the large power grid.

The invention discloses a photovoltaic panel film layer for river regulation and a production process, the film layer is used for the surface of a photovoltaic panel, and the film layer comprises the following raw materials in parts by weight: 50-70 parts of epoxy modified polyacrylic resin, 1-5 parts of a curing agent, 2-8 parts of an infrared reflection filler, 1-5 parts of a heat dissipation filler, 1-10 parts of a self-cleaning filler, 0.2-0.6 part of a leveling agent and 15-30 parts of a solvent. According to the film layer for protecting the antireflection layer of the photovoltaic glass, the antireflection layer of the antireflection glass can be well protected, the service life of the antireflection layer is effectively prolonged, and the stability of the power generation power of a component is ensured. By reasonably selecting the raw materials and proportion of the components, the components of the film layer have a synergistic effect, the light transmittance of the photovoltaic panel is maintained, meanwhile, the passing rate of infrared rays is greatly reduced, the heat dissipation filler is cooperated, the temperature of the inner layer can be greatly reduced, the efficiency of a component in the actual use process is improved, meanwhile, the surface hardness of the coating is high and is 2H or above, and the service life of the coating is prolonged. And the coating is scratch-resistant and good in weather resistance.

The invention provides a waste heat power generation system. According to the waste heat power generation system, steam generated by a steam generating machine is conveyed to a first-stage turbine and a second-stage turbine via a steam passage and is transformed into mechanical kinetic energy; a generator is then used for transforming the mechanical energy into electric energy, and a Venturi ejector is matched with a condensed steam furnace to replenish steam for the second-stage turbine so that the steam pressure and flow rate of the second-stage turbine are maintained within an effective working range; meanwhile, the steam temperature is reduced to prevent damages, caused by high temperature, of the steam passage, the turbines and power generation equipment; and the waste heat power generation system is high and stable in power generation efficiency, high in steam utilization rate and capable of saving resources.

The invention is applicable to the field of solar power generation, and provides a method for improving the utilization rate of solar panel power generation, which comprises the following steps: S1. The solar energy simulation module measures the weak energy state defined value of the maximum power point tracking of the product; S2, signal processing The module collects signal data; S3, the solar MPPT control module enters the charging state and tracks to the approximate maximum power point according to theoretical calculations; S4, the solar MPPT control module compares its charging current with the defined value of S1, respectively tracks the solar panel in the weak state. The maximum power point in the energy state is restarted regularly or the maximum power point in the strong light and high power state is tracked at all times; so that the energy generated by the solar panel can be fully utilized, and it has a very high maximum power point tracking under the condition of strong light and high power. It also has excellent maximum power point tracking efficiency in low light and low power state, and can obtain the maximum power stably in the scenario where the solar panel string voltage is too low, and the application is more flexible.

The invention discloses a pitch change and torque change combined control method of a variable-speed wind turbine generator system. Unmodeled dynamics and disturbance are considered to build a simplified dynamic model of the wind turbine generator system. Power adjustment error dynamic characteristics are calculated. A sliding mode surface and switching functions are selected to design a self-adaption updating mechanism of sliding mode gaining to obtain sliding mode variable structure electromagnetic torque control signals. Wind wheel rotating speed anticipant error dynamic characteristics aredefined. The simplified dynamic model of the wind turbine generator system is rewritten to obtain a pitch angle initial expression. Approach results of a low-pass filter to non-affine uncertain itemsand disturbance items are substituted into the pitch angle initial expression to obtain a pitch angle final expression. The combined control method can preferably deal with non-affine uncertain characteristics of the wind turbine generator system, is simple in structure and excellent in robustness, can provide more stable wind wheel rotating speed and power generation power, reduces mechanical load of the wind turbine generator system, prolongs the service life, and provides high-quality electric energy to a power grid.

The invention relates to a photovoltaic cover plate and a preparation method thereof, the photovoltaic cover plate comprises a substrate and a film coating layer, the film coating layer comprises a first film coating layer and a second film coating layer which are sequentially laminated on the surface of the substrate; the first coating layer is an amorphous carbon film layer with a diamond-like structure, and the second coating layer is a nano hydrophobic film layer containing fluorinated groups. The prepared photovoltaic cover plate film layer is high in hardness, good in friction resistance, small in surface energy, large in contact angle and good in light transmission, and a photovoltaic module comprising the prepared photovoltaic cover plate can keep stable power generation power and good safety and stability when being applied to the photovoltaic field of special severe environments such as the sea; on the other hand, preparation of the first film coating layer and the second film coating layer is achieved by switching the potential of the substrate end in the preparation process, alternate film coating is not needed, the prepared product is more compact in structure and good in light transmission, and the process complexity is low.

The embodiment of the invention discloses a high-flow hydraulic lifting power generator, and particularly relates to the field of power generators. The high-flow hydraulic lifting power generator comprises a bridge starting gear, wherein a guide rail block is fixedly arranged above the bridge starting gear, and a power generator seat plate is fixedly arranged below the bridge starting gear. According to the invention, a 01 hydraulic station in hydraulic force lifting equipment drives a 02 hydraulic power pump to drive a 03 helical gear, a 04 two-time speed reduction planet is pushed through six times of lifting force, the bridge starting gear is pushed through two times of lifting force, a 05 large gear is linked with the bridge starting gear of the speed-increasing generator, planetary gears at the upper end and the lower end of the speed-increasing generator are started to increase speed by 5 times, the rotating speed is increased to 2250 revolutions per minute from 90 revolutions per minute under the driving of a speed increaser, and independent acting, independent power generation and input into a grid-connected filtering frequency conversion shunt of a control system are achieved, so that power sources can be effectively saved, the working efficiency of the generator is improved, and high practicability is achieved.

Disclosed is an apparatus for controlling the load and deformation of a wind turbine blade. A free rotation type blade (5) of an appropriate length is mounted on a blade tip of a wind turbine blade (1), and a steering engine (6) inside the free rotation type blade (5) is connected to a rear control plane (7) through a transmission rod (8); the steering engine (6) drives the control plane (7) to rotate, thereby changing the aerodynamic configuration of the free rotation type blade (5); and the free rotation type blade (5) generates rotation around the wind turbine blade (1) under the action of an aerodynamic moment and changes the angle of attack between an incoming flow and same, thereby controlling the aerodynamic load and deformation of the wind turbine blade (1). The apparatus can improve the aerodynamic performance of the wind turbine blade in different operating conditions, and stabilize the output power of a wind turbine in different incoming flow conditions, thereby expanding the operating envelope of the wind turbine, aiding in increasing the annual power output of the wind turbine, and also improving the safety of the blade and related devices.

The invention relates to a coordinated optimization method, system and device for auxiliary services of a power grid and a medium. The method comprises the following steps: acquiring power grid auxiliary service demand parameters, distributed photovoltaic parameters and adjustable parameters; constructing a combined body model, and determining an auxiliary service curve and a prediction curve of each distributed photovoltaic parameter and adjustable parameter; determining an auxiliary peak regulation electric energy plan in a day-ahead stage and a combined body model participating in an auxiliary peak regulation service, and obtaining a first output curve of the combined body model participating in the auxiliary peak regulation service; determining an auxiliary frequency modulation electric energy plan of an intra-day stage and a complex model participating in an auxiliary frequency modulation service, and obtaining a second output curve of the complex model participating in the auxiliary frequency modulation service; and generating a control instruction according to the first output curve and the second output curve, and performing coordinated optimization control on the distributed photovoltaic and adjustable resources. Compared with the prior art, the method can improve the consumption level and the regulation and control capability of distributed photovoltaic and adjustable resources, and ensures the stable operation of a power grid.

The invention discloses a wave energy recovery device and an energy recovery method based on an electrochemical principle, belonging to the technical field of ocean wave energy energy recovery. , the energy recovery mechanism includes a working electrode, a diaphragm and a counter electrode. The working electrode is made of an electric double layer structure material, and the energy recovery mechanism adopts the pressure-induced potential change characteristics of the electric double layer structure material to recover the waves generated by the change of the seawater level. The energy is converted into electric energy, and the energy recovery mechanism obtains the current liquid level change according to the relationship between the power corresponding to the electric energy converted from the wave energy and the corresponding liquid level change and the current power, thereby realizing the real-time recovery of ocean wave energy. The invention can also convert wave energy into electric energy under lower pressure frequency, can recover wave energy lower than the lowest recovery frequency of the existing wave energy recovery device, and widen the recoverable wave frequency range.

The invention discloses a variable-pitch robust control method based on a UDE for a wind generating set. The method comprises the steps of creating a dynamic model of wind-driven generators on the basis of unmodeled dynamics and disturbance of the wind generating set; defining dynamic characteristics of regulation errors and expectation errors; rewriting the dynamic model of the wind generating set and obtaining a preliminary expression of a pitch angle controller; arranging a low pass filter for carrying out approximation on non-affine uncertain items and disturbance terms of the dynamic model of the wind-driven generators, substituting the approximation result into the preliminary expression of the pitch angle controller, carrying out Laplace transformation, carrying out inverse Laplace transformation after merging and sorting and obtaining final pitch angle control signals. In the design process, the problem that the design of a non-affine system controller is difficult is solved, the unmodeled dynamics and the environmental disturbance of a system are fully considered, the structure of an obtained controller is simple, the number of needed parameters is small, the robustness is good, the anti-jamming capability is high, a more stable wind wheel rotation speed and more stable generation power can be provided, and high-quality electric energy can be provided for a power grid.

The invention discloses a heat accumulation system combining an auxiliary heating device, a heat accumulation device and a solid heat accumulation body. The system involves the solid heat accumulationdevice, the heat accumulation device, the auxiliary heating device, and a heat release passage, wherein the solid heat accumulation device, the heat accumulation device, the auxiliary heating deviceare sequentially connected to a heat transfer working medium conveying pipe of an original power generation system, the heat release passage is formed through pipeline connection and is characterizedin that the heat accumulation device is connected with the solid heat accumulation device and a condensation water tank of the original power generation system, and the solid heat accumulation devicecommunicates with the auxiliary heating device through the pipeline. According to the system, byproduct coal gas is utilized, and through the arrangement of the auxiliary heating device, it can be ensured that the heat transfer working medium output by the solid heat accumulation device and the heat transfer working medium generated by a heat transfer working medium generating device can well fuseand be conveyed to a user.

The embodiment of the invention provides an AGC control device which comprises an AGC instruction formation circuit of new energy access and a plant level load instruction distribution circuit. The AGC instruction formation circuit of new energy access is used for compensating an AGC instruction of a gas turbine power plant sent by a dispatching center according to a deviation value of a regional power generated by new energy power generation. The plant level load instruction distribution circuit is used for distributing and adjusting a load instruction of a gas turbine according to the actual power generation power of the gas turbine and the AGC instruction compensated by the AGC instruction formation circuit of new energy access. According to the system, a regional grid power generation power deviation value caused by renewable new energy intermittent power generation can be compensated through a gas turbine power generation set, thus the whole power generation system can output smooth power generation power, an adverse effects of the renewable new energy intermittent power generation on a power grid is eliminated, the fluctuation of new energy intermittent power generation power in a regional grid is stabilized, and the power generation power complementary of a gas turbine power plant and a new energy power plant is realized.

The reciprocating type planetary gear power generation mechanism comprises an input rod, a planetary gear, an outer rotor, an inner rotor, a one-way clutch and a current collector, the planetary gear comprises a planet carrier, a planet wheel, a sun wheel and an outer gear ring, the input rod is connected with the planet carrier, the planet carrier and the input rod move synchronously, the outer rotor is arranged on the outer gear ring, and the inner rotor is arranged on the one-way clutch. The one-way clutch comprises a first one-way clutch body and a second one-way clutch body, the first one-way clutch body is arranged on the outer gear ring, the second one-way clutch body is arranged on the sun gear, and the rotation directions of the first one-way clutch body and the second one-way clutch body are opposite. The current collector is connected with the inner rotor. The one-way clutch is utilized to enable the inner rotor and the outer rotor to keep relative motion in the motion state, power input by the input end can enable the inner rotor and the outer rotor to have a certain speed difference regardless of forward rotation and reverse rotation, and then power generation is achieved.

The invention provides a self-adaptive wind gathering and discharging dual-purpose module capacity-increasing-type wind power generation system. The system involves a wind gathering cover, a wind collecting mechanism and gathering and discharging conversion mechanisms; the wind gathering cover is of a cylinder shape with the hollowed-out side face; the wind collecting mechanism is located in the center of the wind gathering cover and comprises a fan blade cylinder; the fan blade cylinder comprises a fan blade shaft and fan blades, the lower end of the fan blade shaft is located on an air cylinder lower bearing seat, and the upper end of the fan blade shaft penetrates through an air cylinder upper bearing seat to be connected with an external generator; the fan blades are uniformly arrangedby taking the fan blade shaft as the center along the circumference in a surrounding manner; the three gathering and discharging conversion mechanisms are evenly arranged outside the wind collectingmechanism in the horizontal diameter direction of the wind gathering cover, and a 120-degree windward opening is formed between every two gathering and discharging conversion mechanisms; and an air discharging channel is formed between the gathering and discharging conversion mechanisms and the outer side of the air collecting mechanism, or an air gathering channel is formed between the two gathering and discharging conversion mechanisms in a relatively closed mode. The system can stably operate under 3 levels-17 levels of strong wind, the power generation power is stable, and wind coming fromany direction can act to the maximum extent without searching for wind.

The invention discloses a heat storage system utilizing a heat accumulator to be combined with a solid heat storage body. The heat storage system comprises a solid heat storage device, the heat accumulator, an auxiliary heater and a heat release passage, wherein the solid heat storage device, the heat accumulator and the auxiliary heater are sequentially connected to a heat transfer working mediumconveying pipe of an original power generation system, and the heat release passage is formed by connecting pipelines; and for the heat release passage, the heat accumulator is correspondingly connected with the auxiliary heater and a condensation water tank of the original power generation system, and the auxiliary heater is connected to the solid heat storage device through a pipeline in a communicating mode. According to the heat storage system, by-production coal gas is utilized, and the auxiliary heater is arranged so that a heat transfer working medium output by the solid heat storage device can be guaranteed to be well fused with a heat transfer working medium generated by a heat transfer working medium generation device, and then is conveyed to a user.

The invention discloses a water reaction metal fuel cyclone punching power generation system, and aims to solve the problems of low efficiency, environmental pollution, high fuel consumption and the like in traditional power generation modes. The water reaction metal fuel cyclone punching power generation system comprises a water storage container, a high-pressure pump, a high-pressure power system, a water pressure stabilizing unit, a machine box, a cyclone generator, an air supply system, a punching cone, a combustion chamber, a turbine set, a generator set and a waste gas treatment device.The water reaction metal fuel cyclone punching power generation system realizes controllable continuous reaction of water and metal particles under the conditions of normal temperature and normal pressure, is low in cost and high in efficiency, and is adopted as a power source of a power generation system to realize continuous and stable power generation of the power generation system. Further, the water reaction metal fuel cyclone punching power generation system adopts the water and metal reaction, so that the fuel cost is reduced, the ecological environment is not polluted, higher power generation efficiency and adaptability are achieved, and higher actual application value is achieved. The water reaction metal fuel cyclone punching power generation system is skillful in concept and reasonable in design, and can adapt to various working conditions to achieve wide application prospect.

The invention provides a waste heat power generation system. According to the waste heat power generation system, steam generated by a steam generating machine is conveyed to a first-stage turbine and a second-stage turbine via a steam passage and is transformed into mechanical kinetic energy; a generator is then used for transforming the mechanical energy into electric energy, and a Venturi ejector is matched with a condensed steam furnace to replenish steam for the second-stage turbine so that the steam pressure and flow rate of the second-stage turbine are maintained within an effective working range; meanwhile, the steam temperature is reduced to prevent damages, caused by high temperature, of the steam passage, the turbines and power generation equipment; and the waste heat power generation system is high and stable in power generation efficiency, high in steam utilization rate and capable of saving resources.

The invention discloses a wave energy recovery device and energy recovery method based on an electrochemical principle, and belongs to the technical field of ocean wave energy recovery. The wave energy recovery device comprises an energy recovery mechanism, wherein the energy recovery mechanism is used for converting wave energy of pressure generated by a seawater liquid level change into electric energy, and the energy recovery mechanism comprises a working electrode, a diaphragm and a counter electrode; the working electrode is made of a double-electric-layer structure material; the energy recovery mechanism converts the wave energy generated by the seawater liquid level change into the electric energy by adopting the pressure-induced potential variation characteristic of the double-electric-layer structure material; and the energy recovery mechanism obtains the current liquid level change according to the relation between the power corresponding to the electric energy obtained by wave energy conversion and the corresponding liquid level change and the current power, thereby achieving real-time recovery of the ocean wave energy. According to the wave energy recovery device, the wave energy can be converted into the electric energy at the low compression frequency, and the wave energy with the frequency lower than the lowest recovery frequency of an existing wave energy recovery device can be recovered, so that the recoverable wave frequency interval is widened.