35results about How to "Raise initial temperature" patented technology

The invention relates to the field of compressed air energy storage power generation and particularly relates to a constant-temperature air storage system applied to a compressed air energy storage power generation system. The constant-temperature air storage system comprises an air storage device 1 and a heat storage device 2 arranged in the air storage device, wherein the heat storage device 2 is a heat storage working medium; the required heat storage working medium is a phase change heat storage working medium or the heat storage working medium with the specific heat capacity more than 0.5 kJ / kgk or a combination of the phase change heat storage working medium and the heat storage working medium. The constant-temperature air storage system has the following advantages: firstly, the air storage device can adopt a cheaper steel and iron material, so that the adoption of a more expensive low-temperature-resistant material is avoided and the cost is saved; secondly, heat stored in a high-efficiency heat storage device in an air bleeding process can be used for heating air in the air storage device, so that the primary temperature of the air entering a turbo expander is increased, the work applying capability of the air is improved, and the energy storage efficiency of the system is improved.

The invention provides a turbine stator structure for a helium turbine, relates to the field of turbines, and solves the problems that when a conventional turbine is applied to a nuclear reactor, an entire turbine case is integrated and inconvenient to dismount and mount, an entire turbine stator structure is too long, and the helium work efficiency is low. The turbine stator structure comprises agas intake machine case, a turbine case, a gas exhauster case, guides, sealing rings and a bearing shell, wherein a flange at the rear end of the gas intake machine case and a flange at the front endof the turbine case are in bolted connection with each other; a flange at the rear end of the turbine case and a flange at the front end of the gas exhauster case are in bolted connection with each other; a flange at the front end of the bearing shell and a flange at a position above the inner middle of the gas exhauster case are in bolted connection with each other; the rear end of the gas exhauster case is inserted into a clamping slot at the tail of the bearing shell; and the guide groups of six grades and the sealing rings of six grades are sequentially mounted in the gas exhauster case and the clamping slot of the gas exhauster case one by one. The turbine stator structure provided by the invention is applied to the helium turbine.

The invention discloses efficient energy-saving pulp dewatering and drying equipment which mainly comprises a double-roller pulp squeezing machine with a hot rolling structure, a two-segment drying chamber, a microwave generator, a heat conductive oil boiler, an air preheater, a heat exchanger and the like. The double-roller pulp squeezing machine with the hot rolling structure is characterized in that waste heat of exhaust gas of a system can be used for carrying out thermal conduction on a pulp plate so that pulp drying conditions can be optimized; the two-segment drying chamber carries out constant-speed drying and decelerating drying on pulp respectively; the microwave generator is arranged and works on a position close to a turning point from the constant-speed dewatering stage to the decelerating dewatering stage of the pulp, and is used for improving the drying speed of a pulp decelerating drying segment and reducing energy consumption; the air preheater is used for recycling the waste heat of flue gas exhausted by the thermal conductive oil boiler and preheating fresh air supplemented to the system. The efficient energy-saving pulp dewatering and drying equipment has the advantages of being simple, high in drying speed, high in energy utilization rate, wide in application range and the like.

The invention relates to the technical field of fuel gas-steam combined cycle systems, in particular to a quick combined cycle steam turbine starting and warming system and method. The system comprises a gas turbine, a power generator, a self-synchronizing clutch, a steam turbine, a steam turbine turning gear and a warming steam source. The steam turbine comprises a high pressure cylinder, an intermediate pressure cylinder and a lower pressure cylinder. Warming steam conveying pipelines leading to the high pressure cylinder, the intermediate pressure cylinder and the lower pressure cylinder are connected to the warming steam source. The method comprises the steps that the rotating speed of the steam turbine is increased through the steam turbine turning gear so as to be higher than the rotating speed of the gas turbine; a main screw-type sliding part of the clutch is pried with a manual lever, so that the main screw-type sliding part slides towards the input end of the clutch till the phase positions of driving teeth and the phase positions of driven teeth of the clutch are aligned, and engagement of the clutch is achieved; warming steam is injected into the steam turbine, the steam turbine drives the gas turbine to rotate, and warming starts to be conducted; and when the temperature of an intermediate pressure rotor of the steam turbine reaches the preset temperature or the warming time reaches the preset time, warming is stopped. The cold start time can be shortened.

The invention provides a combined heat and carbon dioxide supply system for a greenhouse. The system comprises a biomass boiler, a heat exchanger and a gas purifying room, wherein a steam outlet, a liquid water inlet, a smoke outlet and an air inlet are formed in the biomass boiler, the greenhouse is internally provided with a heat supply pipe and a carbon dioxide spraying pipe, the heat supply pipe is in closed-loop connection with the steam outlet and the liquid water inlet, the smoke outlet is connected with the heat exchanger, the gas purifying room and the carbon dioxide spraying pipe insequence, and the air inlet is connected with an outlet of the heat exchanger. The gas purifying room comprises a water-bath dust remover, a sedimentation tank and a water supply pump; an air inlet and an air outlet are formed in the water-bath dust remover, and the water-bath dust remover is communicated with the bottom of the sedimentation tank; a water outlet of the sedimentation tank is in closed-loop connection with the water supply pump and a water inlet of the water-bath dust remover in sequence; the air outlet is connected with the carbon dioxide spraying pipe. The greenhouse is heatedby steam generated by the biomass boiler, and smoke is purified and then provides carbon dioxide for the greenhouse.

The invention provides a novel wind energy heating system which comprises a wind energy collecting device, an air power heating furnace and a speed increase unit. The wind energy collecting device comprises a first rotating shaft and rotary blades fixed to the first rotating shaft in the circumferential direction, and the rotary blades rotate under the effect of wind energy to drive the first rotating shaft to rotate; the air power heating furnace comprises a furnace wall, a second rotating shaft arranged in the furnace wall, a plurality of restriction orifices and a plurality axial flow blades fixed to the second rotating shaft; center holes of the multiple axial flow blades are arranged on the second rotating shaft in a sleeving manner and are arranged in the axial direction of the second rotating shaft, the restriction orifices are arranged between every two corresponding adjacent axial flow blades, and the speed increase unit is connected between the first rotating shaft and the second rotating shaft. By means of the novel wind energy heating system, other unnecessary waste generated by conversion from wind energy to electric energy to heat energy is saved, and the energy resource using rate is improved; and the inlet air temperature of the air energy using equipment can be improved, the energy conversion efficiency of the air energy using equipment is improved, and the application scope of the system is expanded.

The invention discloses a high temperature gas cooled reactor direct hydrogen production coupling steam cycle power generation system and a method thereof. The system comprises a high temperature gas cooled reactor, a conversion reactor, a steam generator, a coolant cycle pump, a steam superheater, a turbo generator set, a condenser, a water-feeding pump, a middle temperature converter, a steam extraction pipeline and a natural gas pipeline, wherein a helium outlet of the high temperature gas cooled reactor is connected with a helium inlet of the conversion reactor, a helium outlet of the conversion reactor is connected with the steam generator, a conversion gas outlet of the conversion reactor is connected with the steam superheater, a water steam outlet of the steam generator is connected with a steam inlet of the steam superheater, a steam outlet of the steam superheater is connected with a steam inlet of the turbo generator set, and a steam extraction port of the turbo generator set outputs a blast of steam and is connected with a raw material inlet of the conversion reactor. Through the system, a hydrogen-power cogeneration mode is realized, temperature matching, the high heat utilization rate, low hydrogen production cost and high steam cycle efficiency are realized, and the system further has excellent economic benefits and application prospects.

The invention discloses novel energy-saving water boiling equipment, and relates to the field of new energy resources energy-saving equipment. According to the novel energy-saving water boiling equipment, a water source heat pump and a pipe-in-pipe heat exchanger and the like are adopted, so that under the same condition, the time of cold water being heated to boiling is greatly shortened; a goodheat preservation measure and an ingenious structure are adopted, so that the heat loss is reduced as much as possible; and according to the independently-designed pipe-in-pipe heat exchanger, high-temperature water passes through the inner pipe and low-temperature water passes through the outer pipe, and compared with the prior art, lost heat can be reduced, and meanwhile, the low-temperature water can be preheated and the high-temperature water can be cooled, so that the expected effect of simultaneously supplying boiled water and warm water can be achieved. The equipment has strong practicability in actual production and life; and the water source heat pump can operate under the variable working conditions and can still keep operating steadily under the condition of repeated starting and stopping, so that the water boiling equipment has extremely high reliability.

The invention discloses a high temperature gas cooled reactor direct hydrogen production coupling steam cycle power generation system and a method thereof. The system comprises a high temperature gas cooled reactor, a conversion reactor, a steam generator, a coolant cycle pump, a steam superheater, a turbo generator set, a condenser, a water-feeding pump, a middle temperature converter, a steam extraction pipeline and a natural gas pipeline, wherein a helium outlet of the high temperature gas cooled reactor is connected with a helium inlet of the conversion reactor, a helium outlet of the conversion reactor is connected with the steam generator, a conversion gas outlet of the conversion reactor is connected with the steam superheater, a water steam outlet of the steam generator is connected with a steam inlet of the steam superheater, a steam outlet of the steam superheater is connected with a steam inlet of the turbo generator set, and a steam extraction port of the turbo generator set outputs a blast of steam and is connected with a raw material inlet of the conversion reactor. Through the system, a hydrogen-power cogeneration mode is realized, temperature matching, the high heat utilization rate, low hydrogen production cost and high steam cycle efficiency are realized, and the system further has excellent economic benefits and application prospects.

The invention relates to the technical field of fuel gas-steam combined cycle systems, in particular to a quick combined cycle steam turbine starting and warming system and method. The system comprises a gas turbine, a power generator, a self-synchronizing clutch, a steam turbine, a steam turbine turning gear and a warming steam source. The steam turbine comprises a high pressure cylinder, an intermediate pressure cylinder and a lower pressure cylinder. Warming steam conveying pipelines leading to the high pressure cylinder, the intermediate pressure cylinder and the lower pressure cylinder are connected to the warming steam source. The method comprises the steps that the rotating speed of the steam turbine is increased through the steam turbine turning gear so as to be higher than the rotating speed of the gas turbine; a main screw-type sliding part of the clutch is pried with a manual lever, so that the main screw-type sliding part slides towards the input end of the clutch till the phase positions of driving teeth and the phase positions of driven teeth of the clutch are aligned, and engagement of the clutch is achieved; warming steam is injected into the steam turbine, the steam turbine drives the gas turbine to rotate, and warming starts to be conducted; and when the temperature of an intermediate pressure rotor of the steam turbine reaches the preset temperature or the warming time reaches the preset time, warming is stopped. The cold start time can be shortened.

The invention discloses a petroleum coke direct burner, comprising a hopper, a fire grate, air chambers and a deslagging channel, wherein, the fire grate is driven by a driving shaft and a driven shaft to rotate; a front arch is arranged on an upper front wall, and a rear arch is arranged on a rear wall; the deslagging channel is arranged between the fire grate and the rear wall; a plurality of the air chambers are arranged under the fire grate; the hopper is arranged outside the front wall and is internally provided with a sizing screen; the lower space of a separating baffle plate is divided into a coarse material box and a fine material box, the coarse material box is provided with a coarse material gate for controlling discharge speed, and the fine material box is provided with a finematerial gate for controlling discharge speed; and the air supply system of the air chamber is provided with an air preheater. The petroleum coke direct burner can be widely applied in the field of boiler combustion equipment, and has the advantages of simple structure, easy ignition and high combustion efficiency.

The invention relates to an internal and external coal-fired integrated combined cycle power generation system and a power generation method. The power generation system includes a coal gasification subsystem, a power cycle subsystem and a carbon dioxide recovery subsystem; The section is heated by external combustion, using the energy of semi-coke obtained from partial coal gasification; the high-temperature section is heated by internal combustion, using the energy of coal gas obtained from partial coal gasification; because the present invention adopts the internal combustion method, the initial temperature of the cycle can reach The initial temperature level of modern gas turbines; use the heat of the external combustion process to convert high-pressure water into high-pressure steam, and do not use a compressor to increase the pressure of the working medium in the cycle, thereby saving the power consumption of the working medium; the working medium of the turbine The main component is water vapor, the exhaust pressure is very low, and the cycle pressure ratio is high; carbon dioxide is automatically separated during the exothermic condensation process of the turbine exhaust; the power generation system has the advantages of high thermal efficiency, advanced environmental protection performance and good economy.

The invention relates to a pre-heating type solar water heater which comprises a pre-heating water tank; a plurality of heat collecting tubes are fixedly arranged on the upper part of the pre-heating water tank; the pre-heating water tank comprises a housing layer and a light-transmitting plate; a pre-heating cavity is formed between the light-transmitting plate and the housing layer; a light reflecting layer is arranged on the surface of the housing layer; the pre-heating water tank is connected with the heat collecting tubes through a connecting water tank; the connecting water tank comprises a water inlet cavity, a middle-temperature cavity and a high-temperature cavity; the bottom of the water inlet cavity is connected with a public water source; the top of the water inlet cavity communicates with the bottom of the pre-heating water tank; the bottom of the middle-temperature cavity communicates with the top of the pre-heating water tank; the top side wall of the middle-temperature cavity communicates with each heat collecting tube; the bottom of the high-temperature cavity is separately equipped with a low-temperature circulating tube and a high-temperature water inlet tube; the low-temperature circulating tube passes through the top of the middle-temperature cavity and extends to the bottom position of the middle-temperature cavity; the high-temperature water inlet tube communicates with the top of the middle-temperature cavity; the other end of the high-temperature water inlet tube extends to a top position of the high-temperature cavity; and a used water drainage tube is further arranged on the top of the high-temperature cavity.

The invention relates to the technical field of fuel gas-steam combined cycle systems, in particular to a preheating system quickly started by a combined cycle steam turbine, and a heating method thereof. The system comprises a fuel gas turbine, an electric generator, an automatic synchronizing clutch, the steam turbine and a heating gas source, wherein the steam turbine comprises a high-pressurecylinder, a middle-pressure cylinder and a low-pressure cylinder; the heating gas source is connected with a heating steam conveying pipeline leading to the high-pressure cylinder and the middle-pressure cylinder; and the automatic synchronizing clutch is the clutch provided with a primary pawl and a secondary pawl. The method comprises the steps of when the fuel gas turbine is static or the rotating speed of the fuel gas turbine is lower than the rotating speed of the steam turbine, accelerating the rotating speed of the steam turbine; when the rotating speed of the steam turbine is tended toexceed the rotating speed of the fuel gas turbine, engaging the automatic synchronizing clutch, and leading a heating steam; when the rotating speed of the steam turbine is accelerated and stabilizedat p r / min, driving the fuel gas turbine and the electric generator to rotate at the speed of p r / min, and starting to heat; and when the temperature of a middle-pressure rotor of the steam turbine reaches to the preset temperature or the heating time reaches to the preset time, finishing heating. The cold start time can be shortened.

The invention discloses efficient energy-saving pulp dewatering and drying equipment which mainly comprises a double-roller pulp squeezing machine with a hot rolling structure, a two-segment drying chamber, a microwave generator, a heat conductive oil boiler, an air preheater, a heat exchanger and the like. The double-roller pulp squeezing machine with the hot rolling structure is characterized in that waste heat of exhaust gas of a system can be used for carrying out thermal conduction on a pulp plate so that pulp drying conditions can be optimized; the two-segment drying chamber carries out constant-speed drying and decelerating drying on pulp respectively; the microwave generator is arranged and works on a position close to a turning point from the constant-speed dewatering stage to the decelerating dewatering stage of the pulp, and is used for improving the drying speed of a pulp decelerating drying segment and reducing energy consumption; the air preheater is used for recycling the waste heat of flue gas exhausted by the thermal conductive oil boiler and preheating fresh air supplemented to the system. The efficient energy-saving pulp dewatering and drying equipment has the advantages of being simple, high in drying speed, high in energy utilization rate, wide in application range and the like.

A refrigeration-power combined supply method of an absorption type heat pump comprises using working medium and substance having a great solubility in the working medium to constitute working pair, charging weak solution of the working pair into a generator (1), heating the generator (1) by a heat source, evaporating the weak solution of the working pair in the generator (1) to generate working medium steam, the working medium steam generating by the generator (1) being expended to do work and be decompressed by a first expansion machine (2), dead steam exhausted by the first expansion machine (2) being heat-absorbed and evaporated through an evaporator (3) so that the refrigerant liquid therein is evaporated into low-pressure steam, and the low-pressure steam entering an absorber (4) to be absorbed and release heat. The initial temperature of a steam power device is raised substantially, and the temperature of the exhausted steam is reduced, so that efficiency of the steam power device is improved substantially. Because adsorption heat is used for manufacturing a driving heat source, the system can be driven by itself.

The invention discloses a thermal energy recycling process based on viscose staple fiber drying waste heat. According to the process, waste heat of a viscose staple fiber dryer is treated in a classified mode and recycled. The viscose staple fiber dryer comprises a fiber preheating unit, a high-temperature waste heat unit and a waste heat drying unit, wherein the fiber preheating unit, the high-temperature waste heat unit and the waste heat drying unit are connected in sequence. The treatment process comprises classified treatment and recycling treatment. The design is quite reasonable; the defects that by the adoption of an existing waste gas drying and thermal energy utilization technology, classifications are unclear, the layout is not diversified, and the utilization rate is low are overcome; since waste gases in all regions of the dryer are classified according to the characteristics of the waste gases and recycled, the practicability of the waste gas drying and thermal energy utilization technology is improved, the problems of large thermal energy loss, high steam consumption, high production cost and the like in the prior art are also solved, energy conservation and consumption reduction work of an enterprise is promoted, and high social value and economic benefits are obtained.

The embodiment of the present invention discloses a combined cooling, heating and power supply device and method for supplying heat in summer and cold in winter, including a multi-stage air compression system, a solar phase change thermal storage system, an air liquefaction system and an expander combined cooling, heating and power supply system. The embodiment of the present invention provides a combined cooling, heating and power supply device and method for supplying heat in summer and cold in winter, and its method is based on liquid air energy storage technology. It utilizes low-priced low-cost electricity and waste electricity in power stations to provide compressed air, and the compressed air passes through during peak power consumption. The expander generates power, and the exhaust gas is used as a cold source / heat source to realize heating in winter and cooling in summer; at the same time, a solar phase change heat storage system is used to collect waste heat from the compressor and solar energy, which not only heats the working fluid to improve system efficiency, but also serves as a heat source for external supply hot water.

The invention discloses an electric-thermal-electric energy storage system and method, and relates to the technical field of energy storage. The electric-thermal-electric energy storage system comprises: a heat storage device, a heat storage medium is contained in the heat storage device, and the heat storage medium is silicon, when the heat is stored, the silicon changes from a solid state to a liquid state, and when the heat is released, the silicon changes from a liquid state The first air compressor is used to compress the air to 0.15MPa‑0.3MPa, and the first air compressor is connected to the inlet of the heat exchanger, so that the air can be Liquid silicon conducts heat exchange; turbine device, which is connected to the outlet of the heat exchanger; generator, which is connected to the turbine device. The invention can not only ensure the thermal-dynamic conversion efficiency, but also improve the safety of system operation.

The invention relates to a pre-heating type solar water heater which comprises a pre-heating water tank; a plurality of heat collecting tubes are fixedly arranged on the upper part of the pre-heating water tank; the pre-heating water tank comprises a housing layer and a light-transmitting plate; a pre-heating cavity is formed between the light-transmitting plate and the housing layer; a light reflecting layer is arranged on the surface of the housing layer; the pre-heating water tank is connected with the heat collecting tubes through a connecting water tank; the connecting water tank comprises a water inlet cavity, a middle-temperature cavity and a high-temperature cavity; the bottom of the water inlet cavity is connected with a public water source; the top of the water inlet cavity communicates with the bottom of the pre-heating water tank; the bottom of the middle-temperature cavity communicates with the top of the pre-heating water tank; the top side wall of the middle-temperature cavity communicates with each heat collecting tube; the bottom of the high-temperature cavity is separately equipped with a low-temperature circulating tube and a high-temperature water inlet tube; the low-temperature circulating tube passes through the top of the middle-temperature cavity and extends to the bottom position of the middle-temperature cavity; the high-temperature water inlet tube communicates with the top of the middle-temperature cavity; the other end of the high-temperature water inlet tube extends to a top position of the high-temperature cavity; and a used water drainage tube is further arranged on the top of the high-temperature cavity.