318results about "Steam generation using pressure" patented technology

Disclosed is a marine fuel cell-based integrated heat, electricity, and cooling supply system comprising a power supply system and a waste heat recovery system; the power supply system comprises wind turbine generator sets, solar generator sets, and a fuel cell power module; the waste heat recovery system encompasses a turbine power generation module and a lithium bromide refrigeration module; the fuel cell power module is connected to both the turbine power generation module and the lithium bromide refrigeration module; the turbine power generation module is used to generate electricity using waste heat. This approach fully exploits the waste heat from the exhaust gas generated by the fuel cell power module, resulting in a high overall energy utilization rate. The self-consumption electricity and pure hydrogen fuel for the integrated energy supply system can be obtained from solar and wind energy, ensuring low carbon emissions for the entire system.

The invention discloses cooking equipment which comprises a cooking device provided with a steam inlet; the steam device comprises a combustion chamber, a combustor and a water pipe, the combustor is arranged in the combustion chamber and is configured to be heated through fuel gas, at least one part of the water pipe is arranged in the combustion chamber and is matched with the combustion chamber in a heat exchange mode, and the water pipe is connected with the steam inlet so as to supply steam to the cooking equipment. According to the cooking equipment disclosed by the embodiment of the invention, the steam can be generated by heating the fuel gas, and the steam is provided for the cooking device, so that the cooking of the steam device is facilitated. Steam is generated through gas heating, the limitation of electric heating can be broken through, and the power of the steam device can be greatly improved.

Disclosed in the present invention are a main steam temperature control method and system for an incineration boiler of a waste incineration power plant. The method comprises: forming a cascade PID control dual-loop on the basis of a primary desuperheater, a primary superheater, a main PID controller and an auxiliary PID controller, and tuning the cascade PID control dual-loop; obtaining the current main steam flow rate, the current main steam temperature and the current boiler hearth temperature, and the main steam temperature and the boiler hearth temperature after a set delay time; obtaining the current actual waste treatment amount and the density of waste entering the incineration boiler, and calculating a predicted value of the current waste incineration heat; calculating a temperature feedforward value of the main steam temperature; and superimposing the temperature feedforward value and a temperature adjustment value output by the auxiliary PID controller in the cascade PID control dual-loop, generating a control value on the basis of the superimposed value, and controlling the water spraying amount of the primary desuperheater on the basis of the control value. In the present invention, on the basis of conventional PID cascade dual-loop control, correction value feedforward compensation is added to the control loop, thereby effectively improving the stability of the main steam temperature in waste incineration power generation.

The invention discloses a small micro-superheated steam through-flow type gas condensation boiler, belongs to the technical field of boilers, and solves the problems that the current small gas boiler is developed towards the high-efficiency, low-emission and compact direction, and particularly pays attention to waste heat recovery and steam quality control. Comprising an annular water chamber allowing water to enter, a combustion chamber arranged above the annular water chamber and an ultra-low nitrogen surface fiber combustor located above the combustion chamber and communicated with the combustion chamber, and an annular steam chamber is arranged above the combustion chamber. The ultra-low nitrogen surface fiber burner works to burn gas and raise the temperature, and the composite fin straight water pipe converts water in the water pipe into wet steam through efficient heat exchange of the spiral fins and enters the annular steam chamber. External water is injected into the annular water chamber through the finned tube group of the flue gas condenser and the connecting tube, and then enters the steam chamber through the straight tube. Wet steam in the steam chamber enters the superheater through an inlet pipe to form micro superheated steam. Combustion smoke is condensed and discharged after being filtered by a filter screen and subjected to heat exchange, and dryness of the combustion chamber is guaranteed.

The utility model discloses an energy storage type steam system based on a steam heat accumulator, which comprises a softened water supply unit, a gas steam supply unit, an electric steam boiler, the steam heat accumulator and a second thermal deaerator, the steam distribution cylinder is connected with the second thermal deaerator through a second steam pipeline, water supply of the first thermal deaerator is divided into two paths, the first path is connected with the gas steam boiler through a second water supply pipeline, and the second path is connected with the electric steam boiler through a third water supply pipeline. The electric steam boiler is used for supplying steam in an auxiliary mode, steam can be stored in the off-peak electricity period, the stored steam is used for supplying steam, the steam heat accumulator has the peak load shifting function, the proportion of absorbing green electricity is increased, gas consumption is reduced, energy is saved, emission is reduced, and the influence of steam load fluctuation on the gas steam boiler is eliminated. And the service life of the gas-steam boiler is prolonged.

The utility model relates to the technical field of energy conservation and environmental protection, in particular to a biomass particle steam generator. The utility model provides a biomass particle steam generator which can shake and flatten biomass particles, avoid accumulation of the biomass particles and improve the combustion efficiency of the biomass particles. A biomass particle steam generator comprises a combustion chamber, a first motor and the like, and the left side of the lower portion of the combustion chamber is connected with the first motor. A second motor is started to drive a belt pulley to rotate, so that a flat belt rotates, then a rotating column is driven to rotate, the rotating column shifts a placing plate, the placing plate moves left and right, a spring is restored after deformation, and then biomass particles are flattened, so that the biomass particles can be flattened in a shaking manner; and accumulation of biomass particles is avoided, and the combustion efficiency of the biomass particles is improved.

The utility model discloses an oxyhydrogen burner for SOEC, which comprises a cylindrical steam generating device, and the outer wall of the steam generating device is connected with a pure water inlet pipeline and a steam outlet pipeline; a cylinder is sleeved with the steam generating device, the bottom of the cylinder is close to the bottom of the steam generating device, the lowest end of the cylinder is connected with an outlet pipeline, and the outlet pipeline protrudes out of the lower end of the steam generating device. The outer wall of the cylinder body is connected with a flame detection opening; a hydrogen inlet pipeline and an oxygen inlet pipeline are inserted above the outer wall of the barrel; a flame holder, a catalytic grating and a premixing device are arranged in the barrel. Fuel and air can be evenly mixed, combustion is sufficient, and the heat utilization rate is increased.

The invention relates to a comprehensive energy system coupling renewable energy, conventional energy and stored energy. The comprehensive energy system comprises an electric heating heat storage subsystem, a compressed gas (or liquefied gas) energy storage subsystem and a gas-steam combined cycle or IGCC power generation subsystem. The electric heating heat storage subsystem can store heat through liquid such as fused salt and heat conduction oil and can also store heat through solid, and compression heat of the compressed gas (or liquefied gas) energy storage subsystem is stored in a medium with the low heat storage temperature. And a gas power generation part of the gas-steam combined cycle subsystem is used for making up the defects of renewable energy sources and a heat storage system. The system is used for a large renewable energy base, the flexibility of the power supply side and the power supply reliability can be improved, and carbon emission is remarkably reduced.

The utility model discloses a fuel feeding device for a steam boiler, comprising a bottom plate, a feeding component and a crushing component. The crushing component comprises a crushing box, a crushing mechanism, a bidirectional worm, a motor and a connecting pipe. The number of the crushing mechanisms is two and they are arranged in the middle of the crushing box. The end of the bidirectional worm is fixedly mounted to the outer surface of the crushing box, the output end of the motor is fixedly mounted to the end of the bidirectional worm, the top of the connecting pipe is fixedly mounted to the inner wall of the bottom of the crushing box, and the bottom is fixedly mounted to the inner surface of the feeding component. By setting the crushing component, plant straws are put into the crushing box, the put-in plant straws are crushed, the crushed plant straws slide into the connecting pipe along the surface of the gathering plate, and enter the main body of the spiral feeding device through the connecting pipe, and then the crushed plant straws are fed through the feeding component. By the integrated operation from the crushing component to the feeding component, the operation steps such as transportation are reduced, and the work efficiency is improved.

The utility model discloses a coil pipe type steam boiler, which relates to the technical field of coil pipe type steam boilers, and comprises a boiler body, a burner arranged at the upper end of the boiler body, an energy saver arranged at the rear end of the boiler body, a chimney arranged at the upper end of the energy saver, a steam-water separator arranged on one side of the boiler body, and a steam-water separator arranged on the other side of the boiler body. A control box is arranged on one side of the steam-water separator, a water supply system is arranged on the other side of the furnace body, an air duct pipeline is arranged at one end of the burner, an air supply fan is arranged at one end of the air duct pipeline, a base is arranged at the bottom of the furnace body, and the air supply fan is fixed to the base. According to the scheme, the problems that an existing steam boiler mostly adopts a boiler barrel structure, high-temperature steam is not prone to being discharged, explosion is prone to being caused, and safety is low are solved.

According to the header system of the coal-fired boiler and the coal-fired boiler, the thermal stress of the header can be improved, and the service life of the header can be prolonged. The header system of the coal-fired boiler comprises second headers, at least one first header and a plurality of sets of pipe rows, one end of each set of pipe rows penetrates through a boiler wall of the coal-fired boiler, and the other end of each set of pipe rows is connected with one second header; and the first header is connected with the plurality of second headers.

The utility model discloses a heat cyclic utilization type biomass steam boiler which comprises a base, a combustion chamber, a boiler body and a water tank, a scraper blade is movably connected in the combustion chamber, the upper end of the side, away from a feeding port, of the combustion chamber is connected with the water tank through a communicating pipe, and a connecting pipe is fixedly wound on the inner wall of the water tank. And one side of the top end of the water tank fixedly communicates with a second water inlet, an exhaust pipe communicating with the interior of the water tank is fixedly arranged on one side of the second water inlet, and an activated carbon filter screen plate is arranged in the exhaust pipe. The water heater has the advantages that smoke generated by combustion is conveyed into the connecting pipe through the communicating pipe and is coiled in the water tank through the connecting pipe, so that water in the water tank is heated by waste heat in the smoke, the heat utilization rate is improved, finally, the smoke is filtered and purified by the activated carbon filter screen plate and is exhausted from the exhaust pipe, and the environment is protected. And the situation that some unburnt impurities are doped in smoke to affect the environment is prevented.

The invention discloses cooking equipment which comprises a cooking device provided with a steam inlet; the steam device comprises a combustion chamber, a combustor and a heat exchange piece, the combustor is arranged in the combustion chamber and is configured to utilize gas for heating, the heat exchange piece is matched with the combustion chamber in a heat exchange mode and is provided with a heat exchange flow channel, the heat exchange flow channel is connected with the steam inlet so as to supply steam to the cooking equipment, and at least one part of the heat exchange piece is arranged in the combustion chamber; and the flue gas flow channel is constructed to be suitable for flue gas generated by the combustor to pass through and to exchange heat with fluid in the heat exchange flow channel. According to the cooking equipment disclosed by the embodiment of the invention, the steam can be generated by heating the fuel gas, and the steam is provided for the cooking device, so that the cooking of the steam device is facilitated. Steam is generated through gas heating, the limitation of electric heating can be broken through, and the power of the steam device can be greatly improved.

The utility model discloses a fuel steam boiler, which belongs to the field of steam boilers, and comprises a boiler barrel, and a combustion chamber, a reversal chamber, a first smoke tube assembly, a smoke box and a second smoke tube assembly which are arranged in the boiler barrel, and a feed port and a smoke outlet are formed on the boiler barrel; one side of the reversal chamber is communicated with the first smoke pipe assembly, the other end of the first smoke pipe assembly is communicated with the smoke box, the other end of the smoke box is connected with the second smoke pipe assembly, and the other end of the second smoke pipe assembly is communicated with the smoke outlet. According to the fuel steam boiler, the secondary air inlets, the air blower and the induced draft fan are arranged on the left side and the right side of the hearth of the boiler barrel, so that combustibles can be fully burnt out, heat efficiency is improved, and emission of pollutants is reduced; and meanwhile, through the three-return-stroke design, a downstream combustion structure is formed, and the combustion efficiency and the heat transfer efficiency are greatly improved.

A reverse rapid coordinated control method based on the DCS system of a coal-fired generator set maintains the control logic structure of the DCS system, dynamically revising the control parameters and setpoints of the regulated objects to implement reverse regulation control logic. The setpoints for the main steam pressure on the turbine side and the boiler side are dynamically calculated based on the real-time main steam pressure deviation. The turbine and boiler side load commands are issued based on the nonlinear function output by the variable load ratios of the turbine and boiler sides. The setpoints for the primary air pressure and mill cylinder pressure are based on the nonlinear function output by the variable load command on the boiler side. The PID control parameters of the turbine and boiler main controls are functions related to the main steam pressure deviation, and the magnitude of the PID control parameters for the turbine and boiler main controls are opposite to each other. This system improves the K value of the unit, requires minimal investment, requires less maintenance, and has rapid returns.

At least one aspect of the present technology provides a self-contained treatment plant for converting organic and high-water waste, such as fecal sludge and garbage, into electricity while also generating and collecting potable water.

The present application relates to a combustion system for a washing powder preparation process and a control method thereof, and relates to the technical field of burners, which includes a fuel combustion structure, a feeding structure and a slag discharge structure, wherein the feeding structure and the slag discharge structure are respectively arranged at the two ends of the fuel combustion structure, and the combustion system also includes a gas combustion structure, a water cooling structure, a steam generating structure, a gas mixing structure, a monitoring mechanism and a regulating mechanism, wherein the fuel combustion structure is connected to the gas combustion structure, and the gas combustion structure is respectively connected to the steam generating structure and the gas mixing structure, the monitoring mechanism is used to monitor the temperature and pressure of the combustion system, the regulating mechanism is used to adjust the air intake, the hot air flux size, and the air outlet, the water cooling structure is arranged inside the fuel combustion structure, and the water cooling structure is externally connected to a water storage tank. The present application has the effect of more complete combustion of biomass powder and environmentally friendly emissions under negative pressure environment, and can provide large quantities of hot air, hot water, and steam to washing powder manufacturers at low cost.

The utility model relates to a natural gas steam boiler in the technical field of steam boilers. A supporting base used for supporting the steam boiler body is installed at the lower end of the steam boiler body, and a moving assembly facilitating moving of the supporting base is installed at the lower end of the middle of the supporting base. When the steam boiler body is moved, a hand wheel is rotated, a rotating rod drives a worm to rotate synchronously, a worm gear drives a reciprocating lead screw to rotate, lead screw nuts located at the left end and the right end of the reciprocating lead screw are far away from each other, the angle of two connecting rods is changed, a supporting plate is driven to move downwards, and universal wheels abut against the ground; and the hand wheel continues to rotate, and after the supporting legs are far away from the ground, the steam boiler body can be moved. And after the position of the steam boiler body is adjusted, the hand wheel is reversely rotated to enable the supporting legs to support the steam boiler body.

The utility model discloses a horizontal steam generator, including a bottom plate, the upper surface of the bottom plate is fixedly connected to a support frame, the upper surface of the support frame is fixedly connected to the outer side of an outer shell, the inside of the outer shell is fixedly connected to an inner shell, one end of the inner shell is fixedly connected to an air inlet, the other end of the inner shell is fixedly connected to an air outlet, a heating chamber is arranged inside the outer shell, one end of the air outlet is fixedly connected to an air bleed pipe, the other end of the air bleed pipe is fixedly connected to a heat exchange pipe, the other end of the heat exchange pipe is fixedly connected to an induced draft fan, and the upper surface of the bottom plate is fixedly connected to a water tank. The utility model solves the problem of low efficiency of heat exchange water pipes around a combustion chamber by means of a heating chamber, a heat exchange pipe, a water tank, a water inlet pipe and a water outlet pipe, improves energy utilization, and simultaneously utilizes preheating for water preheating, thereby reducing energy consumption, reduces the content of condensed water in steam by means of a heating chamber, a condenser pipe, a motor, a guide plate and an exhaust pipe, and solves the problem of poor effect and low efficiency of baffle in collecting condensed water.

A modular combustion system for flexible energy generation is provided. The system comprises a plurality of combustion boilers, at least one oxidizer supply unit providing an oxidizer stream to the combustion boilers, at least one feeder to provide fuel to the combustion boilers, at least one particle removal unit to remove particles from a flue gas output stream from the combustion boilers, and a pollution removal unit to remove pollutant gases from the flue gas output stream. A process for flexible energy generation using the modular combustion system is disclosed that includes providing an oxidizer stream to a plurality of combustion boilers with at least one oxidizer supply unit, providing fuel to the plurality of combustion boilers with at least one feeder, removing particles from a flue gas output stream from the plurality of combustion boilers with at least one particle removal unit, and removing pollutant gases from a particle-free flue gas output stream with at least one pollution removal unit. A system for controlling wall heat flux in a pressurized coal combustion environment is disclosed that includes at least one burner; and at least one low-mixing, axial-flow boiler.

The present invention relates to the technical field of steam reheaters, and specifically to an intelligent steam reheater for thermal power generation, comprising a shell, a reheating structure, a mounting structure, a filtering structure, a sealing structure, a scraping structure, a steam drum, a water-cooled wall, an economizer, a condenser and a superheater; the arrangement of the reheating structure facilitates reheating of water vapor with insufficient temperature in a steam turbine, the arrangement of the filtering structure facilitates filtering of various impurities, thereby preventing the impurities from gradually depositing on a heat exchange surface after entering a reheater body and reducing the heat exchange efficiency, while also avoiding problems such as corrosion and blockage of the reheater body, the arrangement of the mounting structure facilitates rapid removal of a mounting plate from the shell, thereby improving the efficiency of assembly and disassembly of the reheater body, while cooperating with a sliding frame to drive the mounting plate downward to reduce the height of the reheater body, and the arrangement of the scraping structure facilitates scraping of dust on the reheater body, thereby preventing dust from reducing the heat exchange efficiency of the reheater body.

The utility model relates to the technical field of steam generators, in particular to a steam generator with a deoxidizing mechanism, which comprises a boiler body, a deoxidizing box is arranged on one side of the boiler body and comprises a deoxidizing tank arranged on one side of the boiler body, and a water inlet is fixedly connected to one end, far away from the boiler body, of the deoxidizing tank. The top end of the deoxidizing tank is fixedly connected with an air outlet, and the end, away from the water inlet, of the deoxidizing tank is fixedly connected with a water outlet which is fixedly connected with one side of the boiler body. The boiler body is matched with the deoxidizing box, water is guided into the lower cavity through the water inlet, then the water is sprayed to the surface of the ultrasonic vibration plate from the interior of the lower cavity through the water spraying pipe, liquid flowing is accelerated while deoxidizing treatment is conducted on the water through the water spraying pipe, and the deoxidizing efficiency is improved; and therefore, the falling water flow flows into the water gathering groove through the drainage groove and is finally transferred into the boiler body through the water outlet.

The utility model belongs to the technical field of steam generators with ultra-low nitrogen emission, and discloses a steam generator with ultra-low nitrogen emission, which comprises a base, a box body arranged at the top end of the base, a structural groove arranged on one side of the box body, a pair of protective doors hinged to the box body through hinges at the notch position of the structural groove, and a detection table arranged at the top end of the box body, a detection box is arranged at the top end of the detection table, a detection groove is formed in the top end of the detection box, a gas detector is arranged at the top end of the detection groove, and a pipeline is arranged in the detection groove. Through cooperative use of the gas detector, the detection groove and the detection box, flue gas discharged by the steam generator can be conveniently detected, it is effectively ensured that when ammonia escape occurs, related personnel can know and take corresponding solutions at the first time, and the environment is effectively protected; and through cooperative use of the solar photovoltaic panel, the power supply groove and the storage battery, electric power can be stably and effectively provided for the gas detector.

The utility model provides a system configuration for a coal power unit to adapt to deep peak regulation flexible operation, which is characterized in that a newly-added external steam cooler is arranged at an existing final-stage high-pressure water supply outlet of a water supply pipeline, and a steam side inlet of the newly-added external steam cooler is connected with a pressurization module; steam lower than the target steam extraction pressure grade is introduced into an inlet of the pressurization module, and a steam side outlet of the newly-added external steam cooler communicates with a steam inlet of an existing final-stage high-pressure heater; the steam lower than the target steam extraction pressure grade is pressurized by the pressurization module, firstly enters the newly-added external steam cooler to heat the feed water, and then enters the existing final-stage high-pressure heater to heat the feed water, so that the temperature of the feed water entering the furnace of the unit is increased; and meanwhile, a certain feed water pressure is maintained, so that feed water at an outlet of the economizer is kept at a certain supercooling degree, dry-state operation of the boiler is maintained under the deep peak regulation working condition, the hydrodynamic stability is maintained, and the denitration system is continuously and stably put into operation.

The application discloses a smoke path and water path double-return, countercurrent ladder type heat exchange energy-saving multi-purpose boiler, which comprises a water outlet tank arranged in a box body and connected with a water outlet; a water return tank arranged in the box body and connected with a water return inlet, wherein the water return tank is arranged below the water outlet tank; a vertical plate connected with one end of the water return tank, wherein the vertical plate and the water outlet tank form a smoke inlet; the water outlet tank, the vertical plate and the water return tank divide the box body into a combustion chamber and a flue gas chamber; a plurality of vertical pipes are connected between the water outlet tank and the water return tank, and the vertical pipes are arranged on one side of the combustion chamber; a plurality of bend pipes are connected between the water outlet tank and the water return tank, and the plurality of bend pipes are arranged on one side of the flue gas chamber; the countercurrent mode of the flue gas and the liquid in the bend pipes can accelerate the liquid flow and effectively slow down the flue gas flow speed; the accelerated liquid flow improves the heat exchange efficiency, and the slowed down flue gas flow speed prolongs the heat exchange time, which is helpful to further improve the heat exchange efficiency.

Provided is a boiler capable of heating a fluid using a heating mechanism provided with a heating element inside a container, and capable of efficiently using heat generated by the heating element and heating the fluid appropriately according to various conditions. The boiler is provided with a heating element and a container provided with the heating element inside and capable of being filled with a gas having a specific heat capacity higher than that of air inside, and heats a fluid using heat generated by the heating element, wherein the boiler is provided with a controller that controls the amount of heat generated by the heating element in a state where the gas is supplied to the container.

The present invention relates to the field of electric power, and specifically to a thermal peak-shaving system for a new type of thermal power plant complementary to light and coal. The oil pipeline between the oil outlet and the oil inlet of the trough-type heat collecting device is sequentially provided with a hot oil heat storage tank, a high-temperature oil-water heat exchanger, a low-temperature oil-water heat exchanger, a cold oil heat storage tank and an oil transfer pump along the flow direction of the internal heating oil. The condensate main pipe at the bottom of the condenser is provided with a condensate pump. The condensate main pipe at the outlet of the condensate pump is connected to the water side inlet of the high-temperature oil-water heat exchanger through the water inlet pipe of the high-temperature oil-water heat exchanger. The heat is supplemented for the heating extraction steam through an external heat source, breaking the heat user's demand for the heating extraction steam parameters, limiting the problem of variable load operation of the cogeneration unit, thereby enhancing the peak-shaving flexibility of the unit. This system can also adopt different operation modes one and two according to the actual peak-shaving demand of the power grid, thereby realizing a flexible operation mode integrating heating, power generation and peak-shaving.

The utility model provides a water anti-freezing device for an electric furnace electric appliance, which comprises a first water inlet pipe, a second water inlet pipe, two switch valves, a liquid level meter and steam equipment, and the first water inlet pipe is communicated with a water tank; the second water inlet pipe is communicated with an external water pipe; the two switch valves are arranged on the first water inlet pipe and the second water inlet pipe respectively, and one of the two switch valves is selected to be opened; the liquid level meter is arranged in the water tank, and the liquid level meter is in communication connection with the two switch valves; the steam equipment is located in the middle of the cooling water pipe and comprises a steam pipeline and a plurality of air outlets located in the top and the bottom of the steam pipeline, and the steam pipeline is parallel to the horizontal direction; when the reading of each liquid level meter is lower than a preset value, the switch valve on the second water inlet pipe is opened, and when the reading of each liquid level meter is equal to or larger than the preset value, the switch valve on the first water inlet pipe is opened.