30results about How to "Improve energy quality" patented technology

The invention discloses a still kettle system for producing ardealite steam-pressing bricks. The still kettle system comprises a heat main steam source collecting box, a still kettle A, a still kettle B, a still kettle C, a still kettle D, a still kettle E, a steam source distribution pipe, a dead steam distribution pipe, a steam-steam pumping pipe A, a steam-steam pumping pipe B, a steam-steam pumping pipe C, a steam-steam pumping pipe D and a steam-steam pumping pipe E, wherein the main steam source collecting box is connected with the steam source distribution pipe through a steam source main valve A and a steam source main valve B; inlets of the still kettle A, the still kettle B, the still kettle C, the still kettle D and the still kettle E are connected with the steam source distribution pipe and the dead steam distribution pipe; outlets of the still kettle A, the still kettle B, the still kettle C, the still kettle D and the still kettle E are connected with the steam-steam pumping pipe A, the steam-steam pumping pipe B, the steam-steam pumping pipe C, the steam-steam pumping pipe D and the steam-steam pumping pipe E. Dead steam of the still kettles are subjected to temperature rise and pressure rise respectively through the steam-steam pumping pipes and then is gathered into the dead steam distribution pipe, therefore the dead steam can be recycled instead of being discharged, the recycling effect is better, and the maximum recycling and reusing purposes are achieved.

The invention relates to a comprehensive gradient utilization system of recovered heat and waste heat of thermal power generation. The comprehensive gradient utilization system comprises an air pre-heater subsystem, a main condensation water subsystem, a medium temperature condensation water supply subsystem, a low temperature condensation water supply subsystem, a smoke cooling condensation water subsystem and an air heating condensation water subsystem. The air pre-heater subsystem is connected with the smoke cooling condensation water subsystem, the medium temperature condensation water supply subsystem, the low temperature condensation water supply subsystem and the air heating condensation water subsystem and then is connected to the main condensation water subsystem in a collected mode.

The invention belongs to the fields of thermal power generation and the like and particularly relates to an adjustable boiler air preheating system and method integrating heat regeneration and waste heat utilization. According to the adjustable boiler air preheating system and method, air preheating, waste heat utilization and regenerative heat cycling are made to be combined organically; heat-transmission cycling condensate water is divided into a large open cycle in which a bypass low-pressure heater extrudes a steam turbine to perform high-parameter steam extraction and a small closed cycle in which the low-pressure heater (or an added heat exchanger) is used for absorbing heat to increase low-parameter steam extraction; heat flow is divided according to the temperature level difference, heat source and cold source resources are dynamically and sufficiently used, optimal gradient utilization of heat energy in the power generation thermodynamic cycle is achieved, the energy use quality is improved, and energy losses are reduced. According to the adjustable boiler air preheating system and method, the operation mode of the system can be optimized and adjusted automatically according to the change of the operation condition so that gradient utilization of energy of different qualities can be achieved and energy losses can be reduced, and the thermodynamic cycle efficiency and the system economy are maximized.

The invention discloses an auxiliary fractionation tower and its catalytic gasoline olefin-reducing modification method. The tower body is equipped with 16 trays, and the whole tower body is divided into 17 layers. The 17th layer is equipped with a herringbone baffle, and It is equipped with reaction oil and gas inlet, stirring steam inlet, oil slurry inlet, oil slurry outlet, the 16th tray is equipped with a middle section and a diesel outlet, and the 13th tray is equipped with a middle section return feed The fourth tray is provided with a top circulation outlet, the first tray is provided with a top reflux feed inlet and a top circulation return tower feed inlet, and the top of the tower body is connected to a separator tank through a heat exchanger. The structure of the tower is simplified, and the catalytic gasoline olefin reduction modification method realized establishes a new heat exchange process that uses the heat of the fractionation system to heat the crude gasoline step by step, which realizes the optimization of system energy consumption and reduces the yield of coke and dry gas. The energy quality and heat utilization efficiency of the gasoline reforming process are improved, and the device energy consumption of the auxiliary fractionation system is reduced.

The present invention discloses an energy source recovery system for ammonium phosphate production. The energy source recovery system comprises a first heat exchanger, a temperature reducing device, a condensed water tank, a phosphoric acid circulating pump, a hot acid flash evaporation chamber, a second heat exchanger, a third heat exchanger and a hot acid middle tank, wherein the lower end of the first heat exchanger is respectively connected to the outlet pipe of the phosphoric acid circulating pump and the water inlet pipe of the condensed water tank, the upper end is respectively connected to the outlet pipe of the temperature reducing device and the inlet pipe of the hot acid flash evaporation chamber, the temperature reducing device is connected to the condensed water tank through a temperature reducing water pipe, the inlet pipe of the phosphoric acid circulating pump is connected to the outlet pipe of the hot acid middle tank, the outlet pipe of the phosphoric acid circulating pump is connected to the lower inlet pipe of the first heat exchanger, both sides on the upper portion of the hot acid flash evaporation chamber are respectively connected to the acid outlet pipe of the first heat exchanger and the upper portion sealing head acid outlet pipe of the second heat exchanger, and the top portion gas outlet pipe of the hot acid flash evaporation chamber is connected to the upper portion of the third heat exchanger sequentially through a re-blocking foam removing device and a pressurization device. With the energy source recovery system of the present invention, the exhaust steam energy quality is effectively re-utilized, and the production cost is substantially reduced.

The invention discloses an afterheat recovery system and an afterheat recovery method of dry granulating liquid slag. The system comprises a granulating cabin, a moving bed and an afterheat recovery system, the inner surface of the granulating cabin is provided with a granulating cabin water cooling wall, the center of the top of the granulating cabin is provided with a slag pipe, the slag pipe extends into the granulating cabin, the lower part of the tail end of the slag pipe is provided with a centrifugal granulator, the centrifugal granulator is connected with a motor arranged at the lower part of the centrifugal granulator, the lateral side of the centrifugal granulator is provided with an air supply pipeline, an annular air opening is formed between the centrifugal granulator and the air supply pipeline, the lower part of the granulating cabin is provided with the moving bed, the inner surface of the moving bed is provided with a moving bed water cooling wall, the top of the moving bed is provided with an air outlet, the bottom of the moving bed is provided with a slag discharge device, an air inlet device is arranged above the slag discharge device, the afterheat recovery system comprises a primary dust remover, an afterheat boiler, a secondary dust remover, an exhaust fan and a chimney which are connected in sequence, and the primary dust remover is connected with the air outlet arranged at the top of the moving bed. The system and the method effectively solve the problems of heat recovery and furnace slag granulation of equipment such as a blast furnace.

The invention provides an evaporation cooling device with the superheated steam producing function for a pusher-type heating furnace. The evaporation cooling device comprises a water feed pump, a steam pocket, a preheating section transverse water pipe, a preheating section, and at least one of a heating section transverse water pipe, a heat uniformizing section transverse water pipe and a crossing water pipe. A water feeding inlet of the steam pocket communicates with a water outlet of the water feed pump. The preheating section is arranged in a furnace hearth of the heating furnace, a steaminlet of the preheating section communicates with a steam outlet of the steam pocket, and a steam outlet of the preheating section communicates with a superheated steam pipe network outside the heating furnace. The heating section transverse water pipe is arranged in a heating section, the heat uniformizing section transverse water pipe is arranged in a heat uniformizing section, and the crossingwater pipe is arranged in the furnace hearth of the heating furnace and transversely crosses the preheating section, the heating section and the heat uniformizing section. A water inlet of at least one of the heating section transverse water pipe, the heat uniformizing section transverse water pipe and the crossing water pipe communicates with a circulating water outlet of the steam pocket, and awater outlet of at least one of the heating section transverse water pipe, the heat uniformizing section transverse water pipe and the crossing water pipe communicates with a steam-water mixture inletof the steam pocket. The energy quality of waste heat recovery of the heating furnace is improved, and the fuel consumption of the heating furnace is also reduced.

The invention relates to an array-type fixed heat collector rotating parabolic solar energy concentration and heat collection system, which breaks through the development bottleneck of high cost of solar thermal power generation by virtue of its high performance and low cost. It includes several concentrating and heat-collecting units connected in series / parallel; the concentrating and heat-collecting unit includes a bracket, a heat transfer pipe fixed on the support, a heat collector fixedly connected to the heat transfer pipe, and a rotating parabolic reflective condenser And a tracking system supporting the rotating parabolic reflective condenser; the focus of the rotating parabolic reflective condenser is located on the heat collector; the tracking system includes driving the rotating parabolic reflective condenser to move up and down with its focus as the center to track the sun's altitude angle A variable vertical rotation mechanism, and a horizontal rotation mechanism that drives the rotating parabolic reflective condenser to rotate horizontally on the axis of the vertical line passing through the focus point downward to track the change of the azimuth angle of the sun.

The invention relates to a household waste heat reuse and energy storage system. The system includes a waste heat recovery module, a thermoelectric power generation and energy storage module, and a waste heat conversion module. The waste heat recovery module can collect the waste heat energy generated by various household appliances and electrical equipment, and the waste heat can be transmitted to the hot end of the thermoelectric material through a short distance through the heat pipe; the thermoelectric power generation and energy storage module includes thermoelectric materials, batteries and voltage regulators Part of the heat transmitted through the heat pipe can be converted into electrical energy by thermoelectric materials and stored in the battery, which can provide a stable DC power supply for small electrical appliances. The waste heat conversion module includes one or more sets of phase change medium heat storage containers, which are attached to the cold end of the thermoelectric material, and connected to the preheating pipeline in series or parallel, and part of the heat is transferred from the heat pipe to the thermoelectric material and then transferred to the thermoelectric material. into the phase change medium container, and then heat the water source or air source in the preheating pipeline.