105results about "Steam generation using pressure" patented technology

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.

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 invention relates to a coupling cold storage condensate water recooling thermal power generating unit system and a control system thereof. A boiler generates high-temperature and high-pressure steam to drive a steam turbine to rotate and drive a generator to generate electricity, and the high-temperature and high-pressure steam passes through the steam turbine to become dead steam which enters a condenser to be condensed into water; part of electricity generated by the generator drives the refrigerator to refrigerate, and cold energy is stored through the cold storage tank. The whole structure of the control system is composed of five core parts, namely a refrigerating device, a cold storage tank, a special variable frequency pump set, a spraying device and an intelligent control system, and the working process of the control system comprises the steps that part of condensation water is pumped at an inlet of a condensation water pump, and a condensation water cooling loop is newly built; a refrigerator is driven by off-peak electricity to cool the condensed water, and the condensed water is stored in a large cold storage tank; in the load peak or electricity price peak period, low-temperature condensed water is injected into the condenser in an atomization spraying mode through the variable frequency pump set, the vacuum degree of the condenser is improved, and therefore the power generation power is improved.

The utility model discloses a steam boiler which comprises a burner, a boiler body is arranged on one side of the burner, a hearth is arranged in the boiler body, a flue connected with the boiler body is arranged on one side of the upper end of the boiler body, and an energy saver and a condenser which are connected with the flue are sequentially arranged at the other end, away from the boiler body, of the flue. The energy-saving boiler has the advantages that the temperature of generated steam is high, compared with an existing boiler, the heat efficiency is higher, pollution to the environment is small, smoke coming out of the energy-saving device enters the condenser, normal-temperature water in the condenser exchanges heat with the smoke through water pump circulation, the smoke temperature is further lowered, the heat efficiency of the boiler is improved, and energy is saved. Precipitated floccules at the bottom of the lower boiler barrel are regularly discharged through the blow-off pipe, and the service life of the boiler is prolonged.

The utility model provides an operation system configuration of a coal power unit based on feed water supplementary heating, which is characterized in that on the basis of an existing boiler feed water heating system, a newly-added final-stage high-pressure heater and a newly-added external steam cooler are additionally arranged on 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 is connected with a steam inlet of the newly-added final-stage high-pressure heater; supplementary heating is conducted on feed water heated by an existing final-stage high-pressure heater at the position of a newly-added external steam cooler and in the newly-added final-stage high-pressure heater, so that the temperature of feed water entering a furnace of a unit under the deep peak regulation working condition is increased, and meanwhile certain feed water pressure is maintained to enable the feed water at an outlet of a coal economizer to be 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 kept, and the denitration system is continuously and stably put into operation.

This utility model belongs to the technical field of energy utilization, and specifically proposes a steam supply system for comprehensive energy utilization, including: an air source heat pump, a biomass boiler (8), a flash evaporation device (9), and a steam compressor. In this application, by coupling the air source heat pump with biomass, the ambient temperature feedwater can be heated by the air source heat pump and supplied to the biomass boiler (8). The biomass boiler (8) uses the heated water to prepare steam, which reduces energy consumption compared to directly heating the ambient temperature feedwater to prepare steam. When the biomass boiler (8) is not in use or lacks biomass fuel, the high temperature water prepared by the air source heat pump can be supplied to the flash evaporation device (9). The low temperature and low pressure steam prepared by the flash evaporation device (9) is pressurized and heated by the steam compressor and then transported to the external steam supply pipeline (23) to provide steam to users, which makes reasonable use of biomass fuel and meets the steam supply requirements.

The present application relates to a kind of coupling gas holder and molten salt energy storage peak shaving power generation system, belong to the field of power generation peak shaving.It includes coal gas storage system, coal gas power generation system, peak shaving power generation system and molten salt system;The coal gas power generation system includes coal gas boiler, coal gas generator unit, steam is generated by the coal gas boiler and drives the coal gas generator unit power generation;The peak shaving power generation system includes peak shaving coal gas boiler, peak shaving steam turbine generator unit, steam is generated by the peak shaving coal gas boiler and drives the peak shaving steam turbine generator unit power generation;The molten salt system is with molten salt and water as medium and carries out energy storage, energy release to match working condition;The coal gas power generation system and the molten salt system are coupled by the coal gas boiler and the coal gas power generation system.The present application integrates gas holder, coal gas boiler, molten salt system, peak shaving coal gas boiler, to match different working conditions, realize more long-time, more flexible energy storage regulation.

The invention discloses a zero-carbon steam and nitrogen supply system and method for an industrial park, the system comprises a steam supply module, a flue gas pretreatment module and a nitrogen supply module, and the steam supply module comprises an ammonia combustion boiler, a first heat exchanger and a second heat exchanger. The flue gas pretreatment module comprises a filter, a compressor, a cooler and an adsorber, and a flue gas outlet of the second heat exchanger is sequentially connected with the filter, the compressor, the cooler and the adsorber. The nitrogen supply module comprises a deep freezer, an expansion machine, a high-pressure rectifying tower, a low-pressure rectifying tower, an NO rectifying tower and an argon rectifying tower. According to the invention, green fuel is combined with air separation to realize zero-carbon supply common engineering (steam, nitrogen and the like) in an industrial park, and meanwhile, nitrogen oxides in flue gas are recycled.

The utility model provides a deep peak regulation operation system configuration of a coal power unit based on water supply supplementary heating, which is characterized in that a newly-added final-stage high-pressure heater and a newly-added external steam cooler are additionally arranged in 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 level 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 the newly-added final-stage high-pressure heater. Steam lower than a target steam extraction pressure grade is introduced and pressurized by a pressurization module, and then the steam is used for performing two times of supplementary heating on feed water in a newly-added external steam cooler and a newly-added final-stage high-pressure heater, so that the temperature of feed water entering a furnace of the unit is increased, meanwhile, certain feed water pressure is maintained, stable denitration operation of the unit under the deep peak regulation working condition is achieved, and the aim of improving the denitration efficiency is achieved. The energy consumption of the unit is prevented from being greatly increased, and the unit operation economy is effectively improved.

The utility model relates to steam generator technical field, and disclose full premixing condensing gas steam generator, including frequency conversion fan, the bottom surface fixedly connected with top cover of frequency conversion fan, the bottom surface fixedly connected with cast aluminium exchanger of top cover, the bottom surface fixedly connected with constant temperature protection shell of cast aluminium exchanger, the bottom surface fixedly connected with bottom water receiving tray of constant temperature protection shell, the inside of top cover is provided with high temperature flue gas reaction subassembly, the inside of constant temperature protection shell is provided with constant temperature reaction subassembly, the inside of bottom water receiving tray is provided with condensing exhaust component, this full premixing condensing gas steam generator is composed by frequency conversion fan etc., contains multiple components, cold water is gasified by spiral coil pipe heat absorption, high temperature flue gas heat exchange condenses, and its advantage has the elimination explosion risk, heat efficiency promotion 30%~50%, ultralow nitrogen low temperature flue gas, maintenance is convenient, and multiple advantages are compatible with multiple scenes.

The invention discloses a heat cycle mixed combustion cone-pot steam turbine engine system which comprises a mixed combustion high-pressure steam generation furnace and a heat recovery cone-pot steam turbine, the mixed combustion high-pressure steam generation furnace comprises a furnace body and a high-pressure water pipe, the high-pressure water pipe communicates with the middle of an inner cavity of the furnace body through a high-pressure water atomization nozzle, and a rotary mixing combustion module is arranged in the inner cavity of the lower portion of the furnace body; the upper part of the furnace body is connected with a high-pressure steam pipeline; the heat recovery cone-pot steam turbine comprises an annular spray pipe and a cone-pot steam turbine which are in relative running fit, the cone-pot steam turbine comprises a cone-pot shell, steam turbine blades and a transmission shaft which are connected, the transmission shaft is provided with a power output end, and a fluid outlet is formed in the bottom of the cone-pot shell; a low-temperature high-pressure steam inlet and a nozzle are arranged on the annular spray pipe, and an outlet of the nozzle faces the steam turbine blade; a cold cap is arranged above the steam turbine blades, and a cold core is arranged in an inner cavity of the lower portion of the conical kettle steam turbine. The high-pressure steam pipeline is communicated with the low-temperature high-pressure steam inlet. The thermal cycle mixed combustion cone pot steam turbine engine system is low in energy consumption and high in energy conversion efficiency.

The invention discloses a supercritical coal-fired boiler combustion alarm device which comprises a boiler and a combustion alarm structure, the combustion alarm structure is installed on the inner side of the boiler, and the combustion alarm structure comprises a pressure sensor, a temperature sensor, an air volume sensor, a water level detector and a UV flame scanner; the invention relates to the technical field of boilers, an efficient closed-loop control system is formed through cooperative work of an inflation regulation and control structure fed back and driven by a flue gas analyzer and a pressure difference regulation and control structure with the dynamic buffering capacity, the combustion efficiency can be greatly optimized, emission can be greatly reduced, pressure fluctuation can be effectively restrained, and the stability of system operation can be effectively improved.

This application belongs to the field of aerospace testing technology and discloses a steam supply system and steam supply method. The steam supply system includes a steam generator system, an alcohol supply system, a liquid oxygen supply system, a softened water supply system, and a control system. The steam generator system includes steam generator units arranged in parallel, each steam generator unit including three steam generators. Steam branch lines are equipped with steam regulating valves, and steam supply pipelines are connected to venting pipelines, which are equipped with steam venting valves. An alcohol main valve is provided between the alcohol supply system and each steam generator; a liquid oxygen main valve is provided between the liquid oxygen supply system and each steam generator; and a water main valve is provided between the softened water supply system and each steam generator. The adjustment method provided in this application is more flexible, enabling rapid and accurate changes in steam flow rate according to actual needs, and allowing for step-by-step adjustment of steam flow rate.

The utility model provides a flexible operation system configuration based on feed water heating, which is characterized in that on the basis of an existing boiler feed water heating system, a newly-added external steam cooler is additionally arranged in a water supply pipeline, and a feed water outlet of the newly-added external steam cooler is connected with a boiler feed water inlet; a steam side inlet of the newly-added external steam cooler is connected with a temperature reduction module, steam with the pressure grade higher than that of regenerative steam extraction of the high-pressure cylinder is connected into an inlet of the temperature reduction 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. Steam discharged from the temperature reduction module firstly heats feed water at the rear end in a newly added external steam cooler and then is conveyed to an existing final-stage high-pressure heater to heat feed water at the front end, so that the temperature of feed water entering a furnace of the unit under the deep peak regulation working condition is increased, and a denitration system of the unit under the deep peak regulation working condition is continuously and stably put into operation; the unit operation economy is effectively improved, and meanwhile the unit operation economy and flexibility are improved.

The application discloses a SHS gas boiler with straight fin tube special-shaped combined multi-mechanism coupled enhanced heat exchange, which comprises a full premix water-cooled burner, upper and lower boiler drums, a furnace membrane water-cooled wall, a front light tube bundle and a straight fin tube special-shaped combined tube bundle group. The full premix water-cooled burner ignites and burns after mixing air and gas on the inner surface of a water-cooled combustion head; high flue gas is cooled by the furnace membrane water-cooled wall and the front light tube bundle, and then enters a straight fin tube special-shaped combined tube bundle group formed by symmetric fork-shaped straight fin tubes and front and rear double-wing-shaped longitudinal flat fin tubes to form a multi-mechanism coupled enhanced heat exchange tube row, and the flue gas is discharged from the boiler body after being gathered. x The full premix water-cooled combustion reduces the combustion temperature to realize ultra-low NOx emission, the flame length is short, and the depth of the furnace is only one tenth of that of a traditional diffusion combustion boiler; the straight fin tube special-shaped combined tube bundle group significantly improves the heat exchange coefficient of the tube bundle group, greatly reduces the longitudinal row number of the water pipes, is only one tenth of that of a traditional SZS longitudinal row number, and significantly reduces the steel consumption of the boiler, welding workload, manufacturing cost and carbon emission.

The utility model provides a fuel oil self-heating gasification burner structure, which belongs to the technical field of burners and comprises a shell, a connecting disc is fixedly mounted at the top of the shell, a water inlet pipe is fixedly mounted at the top of the connecting disc, a water storage tank is arranged at the joint of the water inlet pipe and the shell, and a floating ball is arranged in an inner cavity of the water storage tank. One end of the floating ball is movably arranged at the tail end of the water inlet pipe in a sleeving mode, a limiting block is fixedly installed at the other end of the floating ball, the diameter of the limiting block is larger than the pipe diameter of the water inlet pipe, and the diameter of the floating ball is smaller than the pipe diameter of the water inlet pipe. Through the collaborative design of the extremely small water storage tank and the efficient combustion chamber, the unification of rapid steam generation and stable operation is realized: the thermal inertia is obviously reduced by the micro water storage tank, so that a heating element can rapidly convert a small amount of water into steam; an automatic water level control system formed by the floating ball and the limiting block can accurately maintain the liquid level in a limited space, and dry burning and overflow are prevented.

The invention relates to a vibration type hydrogen production and combustion device with a water decomposition agent, which belongs to the technical field of hydrogen production and mainly comprises a material box, a water decomposition agent material, a material supply pipe, an electric valve, a vibration motor, a hydrogen production pipe, a heat exchange pipe, a combustion pipe, a silicon carbide rod, a water tank, a water supply valve, a water supply pipe, a heat supply device, a heat supply pump, a recovery tank, a recovery valve, a purifier, a flame arrester, a hydrogen pipe, a rack, a shell and the like. The device is characterized in that the feed box is filled with a water dissolving agent material, two electrically operated valves are connected in series in the middle of a discharge port of the feed box at the upper end of the feed pipe, the lower end of the feed box is connected with a feed port of a hydrogen production pipe, a discharge port is formed in the lower part of the hydrogen production pipe, and the hydrogen production pipe, a silicon carbide rod, a combustion pipe and a heat exchange pipe are arranged in the shell. The working process is as follows: the water decomposing agent material is supplied with power and water, when the hydrogen production pipe reaches a set temperature, the electric valve and the vibration motor work, the water decomposing agent material enters the hydrogen production pipe to chemically react with water vapor under the action of gravity and vibration to generate hydrogen, the hydrogen is purified by the purifier and then enters the combustion pipe in the shell to burn and release heat, and the heat exchange pipe supplies heat to the outside. The self-energy consumption accounts for about one fourth of the generated energy. The energy is from hydrogen in the water. The method has the advantages that the cost is low; 2, no pollution; 3, sufficient raw materials; 4, the benefit is good; the randomness is realized.

The utility model relates to the technical field of cooking equipment, in particular to pig feed cooking equipment of a steam generator, a main body assembly comprises a carrier plate arranged in a box body, and a trough is placed above the carrier plate and used for containing pig feed; the lifting assembly comprises mounting plates fixed to the inner walls of the two ends of the box body, shaft seats are fixed to the upper sides and the lower sides of the left ends and the right ends of the surfaces of the mounting plates, a shaft rod is rotationally mounted between the left shaft seat and the right shaft seat, chain wheels are fixed to the two ends of the shaft rod, chains are mounted between the upper chain wheel and the lower chain wheel, and a bracket is mounted between the two chains. The carrying plate is placed between the tops of the two brackets; the output end of the gear motor drives the shaft rod to drive the upper side chain wheel to rotate, the chains are driven to move under cooperation of the lower side chain wheel, the two chains drive the carrying plate between the two chains to move upwards through the bracket, the carrying plate drives the object groove containing pig feed to move upwards, the object groove is lifted from the box body, and a user can conveniently carry away the object groove.

The utility model relates to the technical field of steam boilers, and provides an energy-saving steam boiler device which comprises an inner container, a rotating pipeline is movably embedded in the inner container, a first bevel gear is fixedly arranged on the outer surface of the rotating pipeline in a sleeved mode, and a motor is fixedly installed on the front side of the top of the inner container. A second bevel gear is fixedly installed on the rear side of an output shaft of the motor, and the second bevel gear is meshed with the adjacent first bevel gear. When the automatic cleaning device is used, due to the arrangement of the rotating pipeline and the scraper structure, a worker only needs to start the motor and inject cleaning liquid, the inner container can be automatically cleaned, and the cleaning efficiency is greatly improved. According to the inner container cleaning device, the labor intensity of workers is reduced, meanwhile, the spray head can evenly spray cleaning liquid into the inner container, it is ensured that the cleaning liquid can cover all corners of the inner wall of the inner container, incrustation is effectively decomposed, the cleaning effect is improved, the scraping plate can comprehensively scrape off the incrustation, and it is ensured that no incrustation is left on the inner wall of the inner container.

This utility model discloses a high-efficiency and energy-saving steam generator for pasta processing, including a support frame. A generating mechanism is mounted on the support frame. The generating mechanism includes a cylinder, a water tank, a water injection pipe, an external pipe, a material tank, and an outer cover. A pressure relief mechanism is located at the top of the cylinder. The pressure relief mechanism includes a support pipe, a pressure relief sleeve, an inlet pipe, a sliding rod, a sealing plate, a pressure spring, a contact ring, an adjusting sleeve, a rotating sleeve, a screw, a transmission sleeve, and a positioning mechanism. The support pipe is located on the top surface of the cylinder and connected to the water tank. The pressure relief sleeve is installed inside the support pipe, and the inlet pipe is located at the bottom of the pressure relief sleeve. When the steam pressure inside the cylinder is too high, the pressure pushes the sealing plate through the inlet pipe, overcoming the preset force of the pressure spring, thus forming a flow channel between the sealing plate and the inlet pipe, allowing the pressure to be released smoothly. At this time, the pressure relief sleeve discharges excess pressure, avoiding the risk of equipment damage or dangerous leakage due to excessive pressure in the steam generator.

The invention relates to the technical field of heat energy engineering and pressure vessels, in particular to a finned tube 8-shaped structure steam generator which comprises an upper transverse connecting tube, a lower transverse connecting tube and a plurality of groups of finned tube bundles for connecting the upper transverse connecting tube and the lower transverse connecting tube. The heat exchanger is characterized in that the finned tubes adopt a hemispherical bending technology, every two finned tubes form a group and are arranged in a staggered mode, the finned tubes are bent in space to form a unique 8-shaped structure, and the furnace body is divided into a radiation combustion area on the lower portion and a convection heat exchange area on the upper portion. Feed water enters from the lower transverse connecting pipe, is uniformly distributed to the finned pipes through the built-in distribution device, sequentially absorbs radiant heat of a hearth and convection heat of high-temperature flue gas in the finned pipes, and finally converges on the upper transverse connecting pipe to generate saturated steam. The steam generator integrates the technologies of radiation and convection combined heat exchange, staggered turbulent flow, uniform distribution and the like, has the outstanding advantages of extremely compact structure, extremely high heat efficiency, sufficient combustion, small water volume and the like, and is particularly suitable for application scenes with strict requirements on space and efficiency.

The invention provides a boiler complementary steam supply system and method coupled with thermocline solar photo-thermal energy storage. The system comprises a solar tower, a main heat exchanger, a thermocline heat storage tank, a fused salt storage heat exchanger, a first heat exchanger and a coal-fired unit. A hot end inlet and a cold end outlet of the fused salt storage heat exchanger are respectively connected with a high-temperature fused salt outlet and a low-temperature fused salt inlet of the solar tower; a hot end inlet and a cold end outlet of the main heat exchanger are respectively connected with a high-temperature fused salt outlet and a low-temperature fused salt inlet of the solar tower; the thermocline heat storage tank is connected with the fused salt storage heat exchanger, and the fused salt storage heat exchanger is used for conducting heat exchange on fused salt in the thermocline heat storage tank; the main heat exchanger is connected with the fused salt storage heat exchanger and the first heat exchanger. A cold end inlet of the first heat exchanger is connected with a water supply pipeline at a first inlet of a boiler of the coal-fired unit, and a hot end outlet of the first heat exchanger is connected with a main steam pipeline at a first outlet of the boiler. The system can assist in energy conservation and emission reduction, and the dual-carbon target is achieved.

A boiler including a pressure vessel defining a volume therein, an outlet in fluid communication with the volume, and an aperture open to the volume. A fuel is introduced into the volume and combusted to produce heat and a first gas therein. The aperture is configured to introduce steam into the volume. Both the first gas and the steam are exhausted through the outlet.

The utility model discloses a boiler which comprises an evaporator module, the evaporator module comprises a heated tube bundle group and a hearth, and the upper end and the lower end of the heated tube bundle group are fixedly connected with an upper rectangular barrel and a lower rectangular barrel which are matched with the heated tube bundle group respectively. The cross section, close to the heated tube bundle group, of the upper rectangular barrel and the cross section, close to the heated tube bundle group, of the lower rectangular barrel are both rectangular, and the path of high-temperature smoke generated by a hearth is matched with the heated tube bundle group. The length of the heated tube bundle group is equal to that of the combustion surface in the hearth, so that no smoke dead angle exists when the heated tube bundle group is heated by high-temperature smoke generated by the combustion surface, and the utilization rate of the heated surface tube bundles is improved; meanwhile, the outer end faces of the upper and lower barrels are designed into rectangular sections, the overall structure is compact, stacking and transportation are convenient, the occupied area is small, and the space utilization rate is improved to the maximum extent.

The invention provides a water vapor and fused salt double-medium gas-fired boiler system which comprises a double-medium gas-fired boiler, a water vapor medium convection heat exchange area, a high-temperature fused salt heat exchange area, a water vapor medium convection heat exchange area, a high-temperature fused salt heat exchange area and a high-temperature fused salt heat exchange area, and the upper portion of the double-medium gas-fired boiler is provided with a boiler water inlet and a low-temperature fused salt inlet. A fused salt medium convection heat exchange area is arranged between the low-temperature fused salt inlet and the high-temperature fused salt outlet, a water vapor medium radiation heat exchange area and a fused salt medium radiation heat exchange area which are arranged in parallel and are independently partitioned are arranged on the lower portion of the double-medium gas-fired boiler, and a smoke distribution device is further arranged on the lower portion of the double-medium gas-fired boiler. A gas burner is arranged at the bottom of the double-medium gas boiler; a low-temperature fused salt storage tank; a high-temperature fused salt storage tank; an air preheater; provided is a gas heater. Two media of water vapor and fused salt are adopted, gas heat can be fully utilized, higher heat efficiency is achieved, smoke heat is reasonably utilized in the radiation heat exchange area and the convection heat exchange area, and the heat exchange efficiency is improved.

The invention provides a combined cogeneration steam SOFC (Solid Oxide Fuel Cell) heat and power cogeneration system and method. The system comprises a steam generation unit, an SOFC power generation unit comprising an electric pile and a hot box, and a heat balance management unit comprising a first-stage air preheater, a second-stage air preheater, a first-stage fuel preheater, a second-stage fuel preheater and a water heater, the first-stage air preheater, the second-stage air preheater and an inlet of the stack cathode are sequentially connected, and the first-stage air preheater is further connected with the hot box; the first-stage fuel preheater, the second-stage fuel preheater and an inlet of the galvanic pile anode are connected in sequence; the outlet of the anode, the secondary fuel preheater and the water heater are sequentially connected, and the medium outlet of the water heater is connected with the anode and / or the steam generation unit; an outlet of the cathode is communicated with the hot box, the hot box, the air secondary preheater, the air primary preheater and the fuel primary preheater are sequentially connected, and a medium outlet of the fuel primary preheater is connected with an air inlet and / or an exhaust port of the steam generation unit.

The utility model discloses a thermoelectric environment-friendly production management system which comprises a production frame, a combustion assembly is arranged in the production frame, and a gas supply assembly is arranged on one side of the production frame. The combustion assembly comprises supporting blocks fixedly installed on the two sides of the inner wall of the production frame, a supporting rod is rotationally installed between the supporting blocks, the outer surface of the supporting rod is sleeved with a circular filter plate, a supporting frame is fixedly installed on the outer surface of the supporting rod, an annular filter plate is fixedly installed on one side of the supporting frame, and the circular filter plate and the annular filter plate are fixedly connected. A turnover plate is arranged on the inner surface of the annular filter plate. The biomass raw materials can be driven to turn over through the arranged combustion assembly, so that the situation that the biomass raw materials are accumulated in the annular filter plate and are not fully combusted, and consequently energy waste and loss are caused is prevented, and the environment-friendly production effect of thermoelectricity is improved.

The utility model belongs to the technical field of steam generators, particularly relates to a biomass particle steam generator, and aims to solve the problems that when the biomass particle steam generator is used, waste gas generated by combustion is directly discharged, so that environmental protection and personnel health are not facilitated, and meanwhile, a part of noise is generated by an exhaust port, so that the personnel health is also not facilitated. According to the scheme, the biomass particle steam generator comprises a biomass particle steam generator body, the top of the biomass particle steam generator body is communicated with a steam discharge pipe and a waste gas discharge pipe, and the other end of the waste gas discharge pipe is communicated with a filter box. When the waste gas purification device is used, particle impurities and harmful gas in waste gas are effectively removed through double filtration of the particle filter screen and the photocatalyst filter screen and secondary purification of the three-way catalytic honeycomb tube; under the combined action of the glass wool in the double-wall pipeline and the silencing plate in the silencing pipe, noise pollution during exhaust emission is remarkably reduced, and the working environment is improved.

The application discloses a steam generating device and method based on coal gas combustion and fused salt heat storage, and relates to the technical field of energy utilization and power engineering, and comprises the following steps: S1, a fused salt heat storage, coal gas combustion heating and steam generation subsystem is arranged; S2, the power grid load is monitored, and energy storage or energy release working conditions are determined and switched; S3, in the energy storage working condition, coal gas is combusted to heat low-temperature fused salt, and the low-temperature fused salt is converted into high-temperature fused salt and stored in a hot salt tank; and S4, in the energy release working condition, the high-temperature fused salt enters a heat exchanger to heat feed water to generate steam, and the steam is merged into a steam turbine generator set to generate power. The application significantly improves the adaptability of the unit to power grid load changes and the peak shaving flexibility.