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1320 results about "Steam generation" patented technology

Steam Generation Steam is generated in main generation plants, and/or at various process units using heat from flue gas or other sources. Heaters (furnaces) include burners and a combustion air system, the boiler enclosure in which heat transfer takes place, a draft or pressure...

Energy storage coupling heat pump steam generation method and system

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.
Owner:SHANGHAI ELECTRICGROUP CORP

Molten salt heating direct-flow type wet saturated steam generation system

A molten salt heating direct-flow type wet saturated steam generation system, comprising an evaporation device, a molten salt conveying device, a preheating device, a softened water conveying device, and a dryness adjustment device. The evaporation device is provided with a first heat exchange pipeline and a second heat exchange pipeline; the molten salt conveying device comprises a molten salt conveying apparatus and a molten salt recovery apparatus; the preheating device is provided with a first preheating pipeline, and an outlet of the second heat exchange pipeline is connected to a steam output pipeline; and the dryness adjustment device comprises an adjustment member and a dryness measurement apparatus. According to the steam generation system provided by the present invention, the temperature of softened water and the temperature of molten salt can be adjusted to appropriate ranges, avoiding the crystallization of the molten salt; moreover, the dryness of wet saturated steam can be controlled by means of coarse adjustment and fine adjustment, and the direct-flow type evaporation device is suitable for softened water having poor quality so as to meet the steam injection requirements of oil fields.
Owner:LIAOHE GASOLINEEUM EXPLORATION BUREAU CO LTD +2

Steam generator

The present invention relates to a steam generator, which includes: a steam shell forming an outer shape and having a space for storing water formed therein; a steam heater, which is arranged inside the steam shell and generates steam by heating the water stored inside the steam shell by applying power; a water pipe, which is arranged on one side of the circumferential surface of the steam shell and is formed with a connecting hole, wherein the connecting hole allows water to flow from the outside into the interior of the steam shell, or allows water inside the steam shell to flow out to the outside; an air intake portion, which is arranged on the upper surface of the steam shell and is formed with an air intake port, wherein the air intake port allows air to flow into the interior of the steam shell; and a steam discharge portion, which is arranged on the upper surface of the steam shell at a predetermined interval from the air intake portion and is formed with a steam discharge port for discharging steam generated inside the steam shell and air flowing in through the air intake portion to the outside.
Owner:LG ELECTRONICS INC

High-temperature steam sterilizer

The invention discloses a high-temperature steam sterilizer, which relates to the technical field of sterilization equipment, and has the technical key points that the high-temperature steam sterilizer comprises a base and a tank body fixedly mounted on the base, a steam generation mechanism is arranged at the top of the base, a steam distribution mechanism is arranged in an inner cavity of the tank body, and a sealed storage mechanism is arranged at the top of the tank body; the steam distribution mechanism comprises a preheating assembly and a steam equipartition assembly, and the preheating assembly comprises a heat conduction cylinder fixedly installed at the bottom of an inner cavity of the tank body. The problem of local sterilization failure caused by non-uniform steam distribution of a traditional sterilizer is solved, agricultural products are rapidly penetrated through by increasing the steam flow speed and the diffusion range, sterilization dead angles are avoided, the steam flow path is reasonably controlled, energy waste is reduced, and sterilization uniformity and economical efficiency are remarkably improved.
Owner:SHAANXI HANGYOU GUOSHENGTANG FOOD CO LTD

Steam cleaning machine

The invention relates to the technical field of cleaning equipment, and particularly discloses a steam cleaning machine. The cleaning machine comprises a cleaning machine body, a steam generation system, a cleaning agent conveying device, a waste water suction device, a hot air device and a control device are arranged in the cleaning machine body, the cleaning machine body is connected with a multifunctional integrated spray head through a multi-channel connector and a multi-channel connecting pipe, and the multifunctional integrated spray head is of a multi-layer hierarchical structure. The steam nozzle, the cleaning agent nozzle and the spherical suction head are sequentially arranged from inside to outside; during use, steam and a cleaning agent cooperatively soften and decompose dirt, the wastewater suction device sucks sewage through a spherical suction head of the spray head, the hot air device blows out hot air for drying, and all the systems are controlled by the control device. The cleaning device integrates the functions of steam cleaning, cleaning agent assisting, waste water sucking and hot air drying, achieves closed-loop cleaning, is convenient to operate and high in efficiency, and meets the cleaning requirements of floors, furniture, tabletops, household appliance gaps and the like in families, hotels and other scenes.
Owner:苏州宝丽洁智能电器有限公司

Coal-fired power plant based on fused salt heat storage, power generation system and operation method

The invention relates to the technical field of thermal power generation, in particular to a coal-fired power plant based on fused salt heat storage, a power generation system and an operation method. The coal-fired power plant comprises a boiler, a steam turbine, a condenser, a deaerator, a first heating unit, a second heating unit and a generator. The coal-fired power plant is further provided with a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, one end of the first pipeline is connected to the pipeline between the boiler and the steam turbine, and the other end of the first pipeline is connected with an air inlet of the fused salt heating unit. One end of the second pipeline is connected with an air outlet of the fused salt heating unit, and the other end is connected with the condenser; one end of the third pipeline is connected with the deaerator, and the other end is connected with an air inlet of the steam generation unit; one end of the fourth pipeline is connected with an air outlet of the steam generation unit, and the other end is connected with the turbine and the first heating unit. And the peak regulation depth and the variable load rate of the coal-fired power plant are improved.
Owner:THREE GORGES ONSHORE NEW ENERGY INVESTMENT CO LTD

Hybrid power generation system

A hybrid power generation system in one embodiment comprises a green boiler containing a thermal mass composition operable to store thermal energy, a solar energy collection system which absorbs solar energy to heat a first working fluid and in turn the thermal mass composition, and a power generation system comprising a steam turbine coupled to an electric generator to produce electricity and a nuclear steam supply system which convert a second working fluid comprising water from liquid to steam. Steam output by the nuclear steam supply system flows through the green boiler and is heated by absorbing heat from the thermal mass composition to increase the enthalpy of the steam and concomitantly electric power output from the turbine-generator. The nuclear steam supply system and green boiler may be retrofit to replace existing fossil fuel steam generation systems while retaining the energy conversion part of the fossil power plant.
Owner:HOLTEC INTERNATIONAL INC

Systems and methods for producing hydrogen with integrated capture of carbon dioxide

The present disclosure provides systems and methods for hydrogen production as well as apparatuses useful in such systems and methods, including steam generation systems and methods. Hydrogen is produced by reforming of a hydrocarbon in a plurality of reformers to achieve improved reforming efficiency. A CO2 convective reformer (CCR) and an oxygen secondary reformer (OSR) are used in series to convert hydrocarbon and steam to synthesis gas with substantially complete carbon capture. Steam generation is provided along separate pathways to provide separate steam streams of different composition.
Owner:8 RIVERS CAPITAL LLC

Fused salt heat storage system coupled with coal-fired unit

The invention provides a fused salt heat storage system coupled with a coal-fired unit, and relates to the field of energy storage systems, high-temperature flue gas and low-temperature flue gas are taken from the two sides of a high-temperature flue and a low-temperature flue of a boiler, the four strands of flue gas enter a flue gas mixer to be mixed, and the mixed flue gas enters a flue gas-fused salt heat exchanger to serve as a heat source for heating fused salt; fused salt in the low-temperature fused salt tank is heated after passing through the flue gas-fused salt heat exchanger and enters the high-temperature fused salt tank. When the unit needs to increase the load, the fused salt steam generation system is started, high-temperature fused salt in the high-temperature fused salt tank is introduced into the fused salt steam generation system, heat is released in the fused salt steam generation system, so that the fused salt steam generation system generates steam, and the steam enters the steam inlet of a load object through the steam outlet to increase the load. According to the scheme, high-temperature flue gas and low-temperature flue gas are taken from the left sides and the right sides of the high-temperature flue and the low-temperature flue of the boiler and mixed into the flue gas mixer to be mixed, and the stability of the flue gas output by the flue gas mixer is guaranteed.
Owner:北京怀柔实验室

Pulse intermittent water vapor bottom blowing coupling mechanical stirring enhanced mixing device

The invention relates to the technical field of chemical reaction equipment, in particular to a pulse intermittent water vapor bottom blowing coupling mechanical stirring enhanced mixing device which comprises a tank body, a sealing cover is mounted on the top surface of the tank body, a stirring assembly used for stirring the interior of the tank body is mounted on the sealing cover, the stirring assembly extends into the tank body, and the stirring assembly is connected with the tank body. An air outlet head is arranged at the bottom in the tank body, the air outlet head is communicated with a steam generation unit through an air supply pipe, and the steam generation unit is electrically connected with a pulse control unit used for sending variable frequency signals with adjustable pulse frequency to the steam generation unit. The steam injection frequency is controlled through the pulse control unit, the use amount of the steam is reduced, local high temperature generated by the system during continuous injection is avoided, the temperature is more uniform, meanwhile, convection can be further strengthened through nonlinear input, the periodic structure of the system is damaged, and the service life of the system is prolonged. And more chaotic flow regions are formed to enhance mixing and heat transfer efficiency, so that the production efficiency is improved, and the energy loss is reduced.
Owner:KUNMING UNIV OF SCI & TECH

Air source heat pump system and method of use for industrial steam generation

A system for generating steam for industrial heat. The system may include a plurality of heat pump cycles in thermal communication with each other and in thermal communication with a steam generation cycle. The plurality of heat pump cycles may include first and second heat pump cycles. The first heat pump circulates a first a working fluid and includes a first heat exchanger. The second heat pump cycle circulates a second working fluid and includes a second heat exchanger. The first heat exchanger transfers heat from the first to the second working fluid. The second heat exchanger transfers heat to a third working fluid in the steam generation cycle.
Owner:ATMOSZERO INC +1

Vapor compression system and control method thereof

The invention discloses a steam compression system and a control method thereof. The steam compression system comprises a flash tank, at least one stage of steam compressor and a first water circulation pipe. The flash tank is used for enabling the steam generation water heated to the specified flash temperature to be subjected to flash evaporation under the negative pressure condition in the tank to become low-pressure steam; the steam compressor is used for compressing the low-pressure steam into superheated steam of which the saturation pressure is target condensing pressure; and the first water circulating pipe is used for guiding water of a target water source to motors of the steam compressors at all levels and exchanging heat with heat dissipation mechanisms of all the motors, and the water subjected to heat exchange returns to the target water source. Compared with the prior art, heat at the motor is recycled through water circulation, so that the enthalpy value of water for steam generation is increased, energy consumption needed by steam generation is reduced, and the comprehensive energy efficiency of the system is improved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Centralized sampling device and method for water vapor of power plant

The invention discloses a power plant water vapor centralized sampling device and method. The power plant water vapor centralized sampling device comprises a high-temperature and high-pressure sampling valve, a filter, a cooler, a cooler water inlet regulating valve, a cooler water return valve, a pressure reducing valve, a safety valve, an electromagnetic valve and a temperature controller. By means of the arrangement, in actual operation, the problems that a filter of a water vapor centralized sampling device is frequently blocked and cannot be thoroughly washed, and steam is easily discharged during sampling pollution discharge can be solved through the water vapor centralized sampling device. The opening degree of the cooling water inlet regulating valve of the cooler can be automatically regulated according to the temperature of the cooled sample water, so that the flow of the cooling water is reduced, the cooling water is saved, and the water vapor centralized sampling device is more economical and safer to use. Not only is the workload of workers reduced, but also the workers do not need to worry about steam discharge and scald accidents during pollution discharge. Compared with a traditional steam-water centralized sampling system, the safety and the convenience are greatly improved.
Owner:华能海南发电股份有限公司南山电厂 +1

Thermal energy storage system with a heat pump for improved efficiency

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

Steam ejector and ejection method

The invention provides a steam ejector and an ejection method, and relates to the technical field of vacuum suction, the steam ejector comprises a negative suction pipeline, a steam ejection pipe is mounted on a square flange on the negative suction pipeline, a steam generation assembly is mounted at one end of the steam ejection pipe, and a noise elimination and speed reduction assembly is mounted at the other end of the steam ejection pipe; and the steam adjusting assembly is used for adjusting steam injected into the steam injection pipe. The technical problem that a steam ejector lacks a structure for reducing the temperature, flow velocity and noise of output steam is solved.
Owner:HAIMEN POWER PLANT OF HUANENG (GUANGDONG) ENERGY DEV CO LTD

Casting shrinkage-proof device for hot working casting

The invention discloses a casting shrinkage-proof device for hot-working casting, and belongs to the technical field of hot-working casting, by arranging a heating mechanism and a knocking mechanism, through vibration and disturbance generated by knocking, the static state of 21800 austenitic stainless steel metal liquid in a casting mold can be broken, and the shrinkage-proof performance of the casting is improved. According to the technical scheme, small bubbles originally attached to the interior or the wall face of liquid are disturbed and start to float upwards, meanwhile, vibration can improve the liquidity of the metal liquid, crank knocking is started in the process that the metal liquid is injected into a casting mold, knocking is still continuously kept after the metal liquid is injected, knocking power is from pushing of steam, and therefore the effect of improving the fluidity of the metal liquid is achieved. No other external force is needed in the process, and the knocking frequency is gradually reduced until the knocking frequency is completely stopped along with cooling of metal, weakening of power generated by steam and reduction of the casting mold temperature, so that the purpose of preventing the stability of metal liquid during condensation from being damaged by excessive knocking is achieved.
Owner:LINHAI XINGYE PRECISION CASTING CO LTD

Molten salt steam generation system and control method thereof

The invention discloses a fused salt steam generation system and a control method thereof. A high-temperature molten salt tank, a salt feeding pump, a molten salt channel of a second-stage superheater, a molten salt channel of a first-stage superheater, a molten salt channel of an evaporator, a molten salt channel of a preheater and a low-temperature molten salt tank of the system are communicated in sequence; the water supply end, the water supply pump, a steam-water channel of the preheater, the steam pocket, the pressure regulating valve, a steam-water channel of the first-stage superheater, the water spraying and temperature reducing device, a steam-water channel of the second-stage superheater and the steam removal end are sequentially communicated, and a descending pipe and an ascending pipe of the steam pocket are communicated with a steam-water channel of the evaporator. The control method aims at the system. The method has the advantages that the steam pocket pressure is actively adjusted during load rising, the liquid working medium is flashed, a load instruction can be quickly responded, steam is stably generated according to the instruction and merged into the steam turbine, and the stability and safety of the steam turbine are improved; the steam pocket of the evaporation system is used as steam storage equipment, so that an independent steam storage pocket is prevented from being arranged in the evaporation system, the cost is reduced, and the control logic is simplified.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP

Cleaning device

The utility model relates to cleaning equipment which comprises a floor brush assembly, and the floor brush assembly comprises a floor brush shell, a rolling brush, a rolling brush cover assembly and a steam unit. The rolling brush is rotationally connected to the floor brush shell; the rolling brush cover assembly comprises a rolling brush cover body and a steam output part. The rolling brush cover body and the floor brush shell define a rolling brush cavity used for being matched with a rolling brush. The steam output part is arranged on the rolling brush cover body and used for providing steam for the working face. The steam unit comprises a steam generation module used for conveying steam to the steam output part and further comprises a gas-liquid separation module, the gas-liquid separation module receives the steam, conducts gas-liquid separation on the steam and then conveys the steam to the steam output part, and the gas-liquid separation module is provided with at least two areas which are arranged in the steam flowing direction and are different in sectional area. The area upstream of the steam flow path has a smaller cross-sectional area than the area downstream of the steam flow path. The liquid content in the steam sprayed out of the steam output part is greatly reduced, liquefied water dripping is avoided, and water marks are not prone to being left.
Owner:TIANKE INTELLIGENT TECH CO LTD

Cooking equipment control method and device, cooking equipment and storage medium

The invention relates to the technical field of cooking equipment, and discloses a cooking equipment control method and device, cooking equipment and a storage medium, and the method comprises the steps: monitoring the temperature of a cooking cavity of the cooking equipment and the working duration of a steam generation module after the cooking equipment starts a steaming function; when the current cooking cavity temperature is smaller than the first preset temperature, the temperature difference between the set temperature corresponding to the steaming function and the current cooking cavity temperature is calculated; based on the temperature difference and the current working duration of the steam generation module, the working duration of the condensate water treatment module is determined so as to control the condensate water treatment module to start working. The starting time of the condensate water treatment module is determined, and the working time of the condensate water treatment module is determined by comprehensively considering the temperature difference between the real-time temperature of the cooking cavity and the set temperature and the working time of the steam generation module, so that the condensate water treatment module is accurately controlled to work, and the steam amount in the cooking cavity is accurately controlled; the user experience is improved, and the after-sales service cost is saved.
Owner:GUANGDONG GALANZ ENTERPRISES CO LTD +2

Regulating valve testing device and method

The invention discloses a regulating valve testing device and method, and relates to the technical field of regulating valves, and the regulating valve testing device comprises a steam generation mechanism; the air inlet end of the condensation pipe is used for being connected with an air outlet of the adjusting valve; the condensing mechanism is used for condensing steam in the condensing pipe; and the detection mechanism is used for measuring the amount of liquid water condensed in the condensation pipe. According to the technical scheme, steam is supplied into the steam transmission pipe through the steam generation mechanism, steam leaked out of the adjusting valve is condensed through the condensation mechanism, liquid water condensed out of the condensation pipe is detected through the detection mechanism, and the total leakage amount of the adjusting valve is obtained; therefore, the leakage rate of the regulating valve under the saturated steam is detected, and the problem that the leakage rate of the regulating valve when the saturated steam serves as a working medium is difficult to detect is solved on the whole.
Owner:SHENZHEN INST OF SPECIAL EQUIP INSPECTION & TEST

Deep peak regulation and frequency modulation heat energy storage system and method coupled with coal-fired unit

The invention discloses a deep peak regulation and frequency modulation heat energy storage system and method coupled with a coal-fired unit, and belongs to the technical field of coal-fired unit flexible transformation and power grid regulation. Aiming at the problems that a single fused salt / solid heat storage occupies a large area, the initial investment is high, a steam generation system is complicated, and a conventional coal-fired unit is difficult to meet the requirements that the minimum power generation output of a new generation coal-electricity pilot demonstration unit is less than or equal to 20% Pe, and deep peak regulation is realized to give consideration to primary frequency modulation performance through self or auxiliary regulation as much as possible in the specification of power generation and transformation energy (2025) 363. The system comprises a heat energy storage unit and a coal-fired unit, the heat energy storage unit comprises a demineralized water supply water tank, an electrode steam boiler, a spherical tank and a heat storage type steam temperature increasing device, and the structure of spherical tank flash evaporation steam supply and heat storage temperature increasing sensible heat supplementing is adopted to be matched with steam supplementing of a steam turbine. The combined minimum power generation output of the two can be reduced to 10% Pe, the peak increase output is at least 5.6% Pe, primary frequency modulation is assisted by increasing and decreasing the power consumption of the electrode steam boiler, and new energy consumption is assisted.
Owner:LIAONING ELECTRIC POWER RECONNAISSANCE & DESIGN INST

Synchronous adjustment type expansion joint

The invention relates to the field of expansion joints, in particular to a synchronous adjusting type expansion joint which comprises an expansion joint piece, the expansion joint piece comprises a corrugated pipe, connecting rings are fixedly connected to the two ends of the corrugated pipe, a middle ring and an outlet end are fixedly connected to the ends, away from the corrugated pipe, of the connecting rings correspondingly, and an elastic pipe film is arranged on the inner side of the corrugated pipe; the two ends of the elastic pipe film are fixedly connected with the middle ring and the outlet end correspondingly, a lining pipe is arranged on the inner side of the elastic pipe film, the end, away from the connecting ring, of the middle ring is fixedly connected with a connecting section, and the end, away from the middle ring, of the connecting section is fixedly connected with the inlet end. The connecting section is connected with the outlet part of the steam generation kettle, so that overlarge pressure at the outlet part of the steam generation kettle due to pipe diameter change is avoided, and meanwhile, the lining pipe is prolonged, so that the welding part of the lining pipe is positioned in the middle of the connecting section, and additional impact on the sealing part of the connecting flange caused by turbulent flow and pressure difference at the position is avoided.
Owner:JIANGSU YUNTONG CORRUGATED PIPE CO LTD

Heat conduction reinforced in-situ aeration system for treating groundwater pollution and use method thereof

The invention relates to the technical field of underground water treatment, in particular to a heat conduction reinforced in-situ aeration system for treating underground water pollution, which comprises a hot water circulation and hot steam generation system, a heat conduction pipe and an aeration well, the system comprises an underground cavity used for containing water, a chemical adding system used for injecting chemicals into the water-containing layer, and an extraction system used for extracting gas in the underground cavity and purifying the gas, and hot steam is injected into the pollution plume, so that the temperature around the pollution plume is increased, pollutant diffusion and the gas-liquid mass transfer rate are increased, the remediation range is expanded, and the air disturbance (AS) remediation efficiency is improved. The hot steam also forms an airflow barrier on the outer side of the pollution plume to separate the pollution plume from the outside, so that the migration and diffusion of pollutants are avoided; and hot water is introduced into the heat conducting pipe, so that the temperature of underground water is increased, the volatilization efficiency is improved, and the utilization rate of heated water is improved.
Owner:CHANGZHOU UNIV

An energy-saving aerated brick autoclave

The utility model relates to the technical field of building material processing, and in particular to an energy-saving aerated brick autoclave, comprising a kettle body, the kettle body comprising an inner shell and an outer shell, the inner shell being mounted on the inner wall of the outer shell through a fixing ring; a kettle cover, the kettle cover being arranged at an opening on one side of the kettle body, the kettle cover being connected to the kettle body and being used to seal the kettle body; a steam generating assembly, the steam generating assembly being arranged at the top of the kettle body, the steam generating assembly penetrating the kettle body and extending into the kettle body to pass steam into the kettle body; a heating assembly, the steam heating group being arranged on one side of the kettle body, the heating assembly being connected to the steam generating assembly and being used to heat the gas in the steam generating assembly. The utility model can achieve uniform distribution of steam and improve product quality.
Owner:FOSHAN SANSHUI JINHUI BUILDING MATERIALS CO LTD

Photovoltaic coupling high-temperature heat pump fused salt energy storage cogeneration system

The utility model discloses a photovoltaic coupling high-temperature heat pump fused salt energy storage combined heat and power system. The system comprises a high-temperature heat pump energy storage module, a fused salt energy storage module, a steam generation module and a combined heat and power module. According to the high-temperature heat pump energy storage module, a photovoltaic power generation assembly is connected with a power supply controller, the power supply controller is connected with a motor, the motor is coaxially connected with an air compressor and an air turbine, and the air turbine is connected with an air-molten salt heat exchanger; according to the fused salt energy storage module, a fused salt electric heater is connected with a high-temperature fused salt storage tank, and a low-temperature fused salt storage tank is connected with an air-fused salt heat exchanger. According to the steam generation module, a water supply preheater is connected with a water supply evaporator, the water supply evaporator is connected with a water supply superheater, and the water supply superheater is connected with a steam turbine. The steam turbine is connected with the generator, the steam condenser is connected with the steam turbine, the steam condenser is connected with the condensate pump, and the condensate pump is connected with the low-pressure heater set. According to the system, a cascade energy storage mode is adopted, and unstable photovoltaic power generation is converted into stable electric energy output.
Owner:BEIJING POWER EQUIP GRP

Solid oxide electrolytic hydrogen production device

The invention provides a solid oxide electrolytic hydrogen production device, relates to the technical field of water electrolysis hydrogen production, and aims to solve the technical problem that energy is wasted due to the fact that energy in an oil field is not fully utilized. The first flow path comprises a water injection port and a water outlet, the second flow path comprises a preheating medium inlet and a preheating medium outlet, heat exchange can be conducted between the first flow path and the second flow path, and the first flow path and the second flow path are used for preheating water flowing through the first flow path; the water vapor generator is communicated with the water outlet and is used for converting the preheated water into water vapor; and the electrolysis device is connected with the water vapor generator, and the water vapor flowing out of the water vapor generator can be subjected to electrolytic reaction on the electrolysis device to generate hydrogen. The first heat exchanger is arranged in front of the water vapor generator, so that the generation rate of water vapor can be increased, and meanwhile, energy is saved.
Owner:PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE CO LTD +2

Waste heat cascade utilization system for the synergistic recovery of heat from heat exchange and milling heat

Waste heat cascade utilization system for the synergistic recovery of heat energy from heat exchange and milling heat, characterized in that it includes a mechanical heat recovery device, a primary preheating device, a secondary steam generation device and a tertiary low-temperature utilization device; wherein the mechanical heat recovery device connects the heat-generating components of the blower mill to the dry pipe inlet air duct in order to absorb the heat generated by the heat-generating components of the blower mill and transfer it to the dry pipe inlet air duct; wherein the primary preheating device, the secondary steam generating device and the tertiary low-temperature utilization device are arranged sequentially in the flue gas duct at the dry pipe flue gas outlet; wherein the heat outlet of the primary preheating device is connected to the combustion air duct of the boiler in order to preheat the combustion air of the boiler; wherein the steam outlet of the secondary steam generating device is connected to the steam inlet of a steam turbine to assist the turbine in driving a generator for electricity generation; and wherein the tertiary low-temperature utilization device is connected to the process water line to regulate the process water temperature and to assist the plant heating.
Owner:HUANENG POWER INT CO LTD RIZHAO POWER PLANT +1

Steam generation system based on solid heat storage and fused salt heating and control method thereof

The embodiment of the invention provides a steam generation system based on solid heat storage and fused salt heating and a control method of the steam generation system, and belongs to the technical field of oil exploitation equipment. The system comprises a preheating device connected with the water supply device and used for preheating softened water; the steam generating device is connected to the outlet end of the preheating device and is used for performing multi-stage evaporation on the preheated softened water so as to obtain wet saturated steam for steam injection; wherein the steam generation device and the fused salt heat storage device are correspondingly arranged, and the steam generation device executes heat exchange with high-temperature fused salt in the fused salt heat storage device so as to obtain wet saturated steam used for steam injection; and the control device is used for generating a linkage control scheme of the water supply device, the preheating device and the steam generation device based on the real-time steam injection requirement. According to the scheme, the problems of slow starting response and poor linkage in the prior art are solved, and the operation efficiency and energy efficiency of the steam generation system are remarkably improved.
Owner:LIAOHE GASOLINEEUM EXPLORATION BUREAU CO LTD +2

Biomass hydrogen production equipment

The utility model discloses biomass hydrogen production equipment, and belongs to the field of biomass hydrogen production. The furnace comprises a furnace shell, the furnace shell is divided into a first containing cavity and a second containing cavity through a partition plate, the first containing cavity and the second containing cavity are arranged up and down, a burner is arranged at the top of the first containing cavity, and a slag water outlet is formed in the bottom of the second containing cavity; the combustion chamber and the steam generation chamber are located in the first containing cavity, the top of the combustion chamber is connected with the burner, the lower side of the combustion chamber is communicated with the steam generation chamber, and the lower side of the steam generation chamber is communicated with the second containing cavity; the smoke separation devices are mounted on the upper side of the partition plate, and smoke in the second containing cavity enters the space, located on the outer side of the combustion chamber and the outer side of the steam generation chamber, of the first containing cavity through the smoke separation devices. The device can prevent corrosive gas in synthesis gas from corroding equipment, and the service life of the equipment is longer.
Owner:BEIJING FULL PENG TECHNOLOGY CO LTD

Starting and stopping method of fused salt steam generator system and electronic equipment

The invention discloses a starting and stopping method of a fused salt steam generator system and electronic equipment, and relates to the technical field of fused salt energy storage. The method comprises the following steps: opening a water feeding adjusting valve of the deaerator, opening an inlet valve of the electric pump, and opening a recirculating valve of the electric pump; closing an electric pump to a steam generation system water inlet valve, closing a steam generation system water feeding main valve, and closing a steam generation system water feeding regulating valve; an electric pump is started to a steam generation system water inlet valve, a steam generation system water feeding adjusting valve is opened, a steam generation system emptying valve is opened, and a steam generation system steam outlet valve is closed; the steam generation system is pre-warmed; the molten salt system is pre-warmed through the molten salt system electric heat tracing device; and the cold salt pump outlet valve and the hot salt pump outlet valve are controlled to be closed, the cold salt pump recirculation valve is controlled to be opened, the cold salt pump is started, the cold salt pump outlet valve is started again, and salt is injected into the fused salt pipeline. The problems of high-temperature corrosion, solidification and the like in the starting process of the molten salt steam generator system are solved.
Owner:NORTH CHINA ELECTRICAL POWER RES INST +1