89results about How to "Realize waste heat recovery and utilization" patented technology

The invention discloses a hybrid dynamic system with combined cycle of internal combustion engine-stirling engine, belonging to the fields like energy source and power, wherein the system comprises a stirling auxiliary power subsystem; the subsystem comprises a heat exchanger, a stirling engine, a generator connected with the stirling engine and a controller connected with the generator. One end of the controller is connected with a rechargeable battery and other end thereof is connected with an electric motor. The heat exchanger is configured in a smoke silencer of the internal combustion engine heat-power transferring subsystem, or placed before a smoke catalyst purifying device. The internal combustion engine heat-power transferring subsystem and the stirling auxiliary power subsystem share one coolant heat radiator. The hybrid dynamic system has characteristics of a simple and contract structure, a high fuel use ratio and so on. The hybrid dynamic system can also enhance the output power of the internal combustion engine and improve the energy saving and emission reduction performances for vehicles.

The invention belongs to the technical field of cogeneration and waste heat utilization and particularly relates to a combined system and method of flue gas waste heat recovery and inlet-gas cooling of a gas turbine cycle. The combined system comprises an inlet-gas cooler, a flue gas-water heat exchanger, a refrigeration device and a cooling tower. The refrigeration device is connected with the inlet-gas cooler through a first chilled water cycle pipeline, connected with the flue gas-water heat exchanger through a second chilled water cycle pipeline, connected with the cooling tower through afirst cooling pipe cycle pipeline and connected with a heating network pipeline through a second cooling water cycle pipeline. Inlet-gas cooling and flue gas waste heat recovery and utilization of a gas turbine are achieved, output force of the gas turbine in summer can reach the rated load, the energy utilization efficiency of the gas turbine combined cycle is improved, the defects that the gas engine is poor in inlet-gas cooling investment economical efficiency and limited in cooling effect are completely overcome, and the economical efficiency of a whole unit is improved.

The invention discloses an annular kiln with a movable flat top. The annular kiln with the movable flat top comprises a kiln body, a kiln crown and kiln walls arranged on the two sides. Compared with the prior art, the annular kiln with the movable flat top is characterized in that the kiln crown is the movable flat top, wherein the movable flat top is formed by detachably connecting a plurality of steel structural frames which are in lap joint with one another; each steel structural frame is provided with idler wheels, wherein the idler wheels are matched with tracks arranged at the upper ends of the kiln walls; the lower end face of the movable kiln crown is provided with an insulating layer; a hot gas recycling pipeline is arranged on the kiln crown. The annular kiln with the movable flat top has the advantages of saving money, and being convenient to place, high in degree of mechanization, capable of lowering labor intensity for workers and improving work efficiency, good in heat preservation effect when green bricks are fired, high in rate of finished products, rapid in cooling speed, easy to cool for brick taking, convenient to maintain, and particularly suitable for overall transformation of an existing old kiln.

An energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system comprises a belt coal feeder, a raw coal bunker, a coal feeder, a coal mill and a powder recovery bunker, wherein the dry air inlet of the coal mill communicates with the outlet of a first induced draft fan which is used for inputting high-temperature flue gas at the tail part of a boiler to the coal mill; an inert gas input passage is arranged in front of the dry air inlet of the coal mill; a first control valve is mounted on the inert gas input passage; the outlet of the coal mill communicates with the inlet of the powder recover bunker; a gas temperature detector and a gas concentration detector are mounted behind the outlet of the coal mill and connected with an alarm controller; a pulverized coal collection device is arranged in the powder recovery bunker; a second induced draft fan is mounted behind the flue gas outlet of the powder recovery bunker; and the outlet of the second induced draft fan communicates with the inlet of a flue gas desulfurization device or a chimney. The energy-saving and environment-friendly flue gas waste heat pulverized coal preparation system is a special production line for providing coal dust fuels for the pulverized coal boiler, the security of the pulverized coal preparation system can be guaranteed while the waste heat of flue gas at the tail part of the boiler is effectively utilized, energy saving and consumption reduction are realized and the environment is protected.

The invention discloses a street lamp cooling device of a waste heat drive Stirling engine. Waste heat generated during work of a high-power LED street lamp is used for driving the Stirling engine soas to provide power for a fan impeller of a cooling fan of the Stirling engine, after the cooling fan of the Stirling engine works, heat emitting of a heat pipe radiator of the LED streetlamp is reinforced, and the aim of emitting heat through heat is achieved.

The invention discloses a compressed air purification system and a using method thereof. The compressed air purification system comprises a preheating heat exchanger and a reactor. A preheating air inlet, a preheating air outlet, a heat exchange air inlet and a heat exchange air outlet are formed in the preheating heat exchanger. The reactor comprises a cylinder and a barrel cover assembly buckled on the cylinder. The middle section inside the cylinder is a reaction region for filling of a catalyst. A reactor air inlet is formed in the portion, above the reaction region, of the cylinder. A reactor air outlet is formed in the portion, below the reaction region, of the cylinder. A sewage draining exit is arranged at the bottom of the cylinder, and a heating pipe is arranged on the cylinder. The reactor air inlet is connected with the preheating air outlet through a pipeline. The reactor air outlet is connected with the heat exchange air inlet through a pipeline. The purification system is simple and reliable in structure, oil-free compressed air can be rapidly and reliably obtained through purification, the using method is simple, manual operations are greatly reduced, the equipment investment is lowered greatly, and the high practicability and market value are achieved.

The invention belongs to the technical field of waste heat recovery of environment-friendly machinery, and particularly relates to a waste heat recovery system for environment-friendly coating mechanical equipment. The waste heat recovery system aims at solving the problems that waste gas in an existing drying chamber is discharged into the atmosphere at a high temperature, so that atmospheric environment pollution is caused, and a large amount of heat energy is wasted. According to the technical scheme, the waste heat recovery system comprises a conveying plate. A box body is mounted at the top of the conveying plate, a spiral coil is arranged on the inner wall of the box body, and a treatment box is fixedly mounted at one end of the spiral coil. A sliding frame is slidably mounted in thetreatment box, a filter screen is fixedly mounted in the sliding frame, and a collecting hopper fixedly communicates with the bottom of the treatment box. A valve is arranged in the collecting hopper, and an air inlet pipe is fixedly mounted on one side of the treatment box. One side of a contact plate is fixedly mounted on one side of the sliding frame, and a fixed seat is fixedly mounted on theinner wall of the top of the treatment box. By the waste heat recovery system, waste heat can be recycled, waste gas can be treated, an alarm can be given and pressure can be relieved when the filterscreen is blocked, the structure is simple, and use is convenient.

The invention discloses a waste heat recovery and utilization device of microwave equipment for tobacco processing. The device structurally comprises a combined heat and power generation rotary disc,a waste heat efficient evaporation mechanism, a supporting frame plate, a thermoelectricity heat exchanger, a condensing pipe column, a generator connecting framework, a generator box body, a waste heat generation trough connecting port, a combined heat and power generation box and an absorber base, wherein the waste heat efficient evaporation mechanism is fixedly welded to the upper end of the combined heat and power generation box and is firmly connected through bolts; and the generator connecting framework is fixedly welded to the left side of the combined heat and power generation box andis firmly connected through bolts. By means of the waste heat recovery and utilization device, a pressing plate moves up and down, when the pressing plate moves downwards, disinfectant in a small water tank enters a disinfection box through a liquid inlet pipe; when the pressing plate moves upwards, the disinfectant enters a multi-hole pipe through a liquid outlet pipe and is sprayed out through the multi-hole pipe; and accordingly, substances needing to be disinfected can be subjected to high-temperature disinfection, then waste heat recovery and utilization are achieved, harm of pathogenic bacteria is reduced, and the practical property of the equipment is effectively improved.

The invention relates to a heat pipe type smoke pulverized coal heating device which comprises a smoke waste heat recovery unit and a pulverized coal heating unit. The smoke waste heat recovery unit comprises a first housing, a smoke inlet is formed in the top of the first housing, a smoke outlet is formed in the bottom of the first housing, and a group of first transverse heat exchange pipes are supported in the first housing and provided with first working medium inlets and first working medium outlets. The pulverized coal heating unit comprises a heat exchange cavity provided with a second housing, the second housing is provided with a second working medium inlet and a second working medium outlet, the first working medium inlets are communicated with the second working medium outlet, and the second working medium inlet is communicated with the first working medium outlets through pipes. A group of second transverse heat exchange pipes are arranged in the second housing and provided with pulverized coal inlets communicated with distributors in a sealed mode and pulverized coal outlets communicated with collectors in a sealed mode. The heat pipe type smoke pulverized coal heating device can recover waste heat of high-temperature smoke, is used for heating pulverized coal and facilitates energy saving.

The invention discloses a boiler wet flue gas condensing, water-collecting and fog-clearing system utilizing power station waste heat to refrigerate. The wet flue gas condensing, water-collecting andfog-clearing system comprises a plurality of boiler unit flue gas treatment systems, wherein one boiler unit flue gas treatment system is a main boiler unit flue gas treatment system, and comprises awaste heat generator, a dust collector, a desulfurization tower, an evaporator and a chimney which are sequentially connected, and further comprises a condenser and a heat absorber; the rest of the boiler unit flue gas treatment systems are secondary boiler unit flue gas treatment systems, and each secondary boiler unit flue gas treatment system comprises a waste heat exchanger, a dust collector,a desulfurization tower, an evaporator and a chimney which are sequentially connected. The boiler wet flue gas condensing, water-collecting and fog-clearing system achieves water-collecting and fog-clearing of flue gas of multiple units while realizing sufficient utilization of flue gas waste heat, and realizes certain water-saving earnings and environment-friendly benefits.

The invention discloses a thermoelectric generation device using steel ladle surface waste heat. The device comprises a protective cover, a skeleton, an upper heat insulating plate, a thermoelectric system, a lower heat insulating plate and a cooling system. The skeleton is a semi-cylindrical support; the protective cover is welded on the skeleton; the upper heat insulating plate, the thermoelectric system and the lower heat insulating plate are fixed on the skeleton by bolts to form a semi-cylindrical shape; the cooling system is arranged outside the thermoelectric system; and the device is composed of two semicircular cylinders. The technical scheme of the invention has the characteristics of simple structure, small size, no mechanical movement and no noise, so that the waste heat recovery and utilization in the limited space can be realized.

The invention discloses a multi-function heat-pump boiled water device which comprises a control system, a heat pump system and a water system, wherein the water system comprises a water boiler, a high-temperature boiled water tank, a medium-temperature boiled water tank and an ice boiled water tank, which are sequentially connected in series through water system pipelines; the heat pump system comprises a compressor, a throttle mechanism and a hot source heat exchanger, which are connected through heat pump system pipelines. The multi-function heat-pump boiled water device has the benefits that the heat-pump boiled water device can simultaneously provide boiled water, warm water and ice water, is sanitary and healthy, meets diversified demands of different clients, and is particularly suitable for places such as markets, wine shops, drink shops, airports, stations, factories and enterprises needing abundant boiled water; water boiling, temperature rising and temperature lowering are completed through the same one set of heat pump system, and waste heat recovery is realized well; compared with the traditional electric heating water boiler, the power consumption can be reduced by about 70 percent, energy conservation and emission reduction are realized; the heat-pump boiled water device conforms to a new concept of national energy-conservation industrial policy and social energy conservation and environmental protection.

The invention relates to a graphitization furnace surplus energy utilization method based on forced cooling. The cooling mode of a graphitization furnace is changed into forced cooling from natural cooling, waste heat obtained in the cooling process of a graphitization product is converted into steam through heat-carrying gas, electricity generation and heat supply are carried out, a cooling coil is arranged inside a furnace body, an air inlet of the cooling coil is connected with an air inlet collecting pipe, the air inlet collecting pipe is connected with a waste heat boiler through a cooling fan, an air outlet of the cooling coil is connected with an air outlet collecting pipe, the air outlet collecting pipe is connected with the waste heat boiler, and the steam enters a turbine system for electricity generation and heat supply. Each graphitization furnace production line comprises a plurality of independent furnace bodies, wherein in the cooling process, single furnace body is cooled intermittently, however, it is ensured that the furnace bodies of the whole production line are cooled at any time point, high-temperature gas always enters the waste heat boiler, and a turbine generator set can continuously work. According to the novel graphitization furnace cooling technology, the capacity of the graphitization product is remarkably improved, the comprehensive energy consumption is reduced, and the graphitization production technology is greatly improved.

The invention relates to the technical field of metallurgy. The invention discloses a rapid water-cooling and air-cooling system for metallurgy. The system comprises a base, a slag box is arranged atthe upper end of the base; a box cover is arranged at the top end of the slag box; an air box is arranged at the upper end of the box cover; a slag inlet is formed in one side, close to the air box, of the upper end of the box cover; and the side face, close to the box cover, of the output end of the compressor communicates with a liquid inlet pipe. A liquid outlet pipe communicates with the side,close to the liquid inlet pipe, of one side face of the box cover, one end of the liquid outlet pipe is connected with a metallurgical furnace, an inner furnace is arranged in the metallurgical furnace, a preheating cavity is formed between the metallurgical furnace and the inner furnace, and a first circulating pipe is arranged in the preheating cavity. The rapid water-cooling and air-cooling system is simple and convenient to operate, water cooling and air cooling are integrally matched, dual cooling is achieved, the rapid cooling efficiency of high-temperature metallurgical slag can be further improved, and meanwhile the high-temperature recycling efficiency generated by the high-temperature metallurgical slag is achieved.

The invention relates to an electric melting magnesium furnace shell cooling device and method. The device comprises an upper furnace shell cooling device and a lower furnace shell cooling device. Theupper furnace shell cooling device and the lower furnace shell cooling device are respectively composed of a plurality of independent cooling units. Each cooling unit is connected with a water inletmain pipe through a corresponding water inlet branch pipe, and is connected with a water outlet pipe through a corresponding water outlet branch pipe. The cooling units are fixedly connected with a plurality of bolts welded to a furnace shell through nuts and disc-shaped springs. Spaces between the cooling units and the furnace shell are filled with flexible heat conduction pads. The device is composed of the plurality of cooling units with a unified structure, and the cooling units and the furnace shell are detachably connected, so that not only can the furnace shell be effectively protected,but also the mounting and maintenance are very convenient; and the upper furnace shell cooling device and the lower furnace shell cooling device are put into operation at different phases according to the temperature rise characteristic in the electric melting magnesium production process, so that energy is saved, and synergistic effects are realized.

The invention discloses a sewage and wastewater source steam compression dry heat pump unit, and belongs to the technical field of waste heat utilization. The problem that an existing compression typeheat pump cannot utilize industrial sewage and wastewater to serve as a waste heat source is solved by the sewage and wastewater source steam compression dry heat pump unit. An evaporator further comprises a first heat exchange chamber located on the upper portion and a flash evaporation chamber arranged below the first heat exchange chamber in a communicating mode. A working medium inlet chamberand a working medium outflow chamber are formed in the two ends of the first heat exchange chamber in a communicating mode respectively. A vacuum pump is arranged on the upper portion of the evaporator in a communicating mode, and the interiors of the first heat exchange chamber and the flash evaporation chamber are vacuumized through the vacuum pump. A plurality of first heat exchange tubes arearranged in the first heat exchange chamber, and the working medium inlet chamber communicates with the working medium outflow chamber through the first heat exchange tubes. Sewage and wastewater enter the flash evaporation chamber to be subjected to flash evaporation through a sewage and wastewater inlet pipe in a communicating mode, steam which is obtained after flash evaporation is accomplishedmoves upwards to enter the first heat exchange chamber and exchanges heat with working media in the first heat exchange tubes, and the sewage and the wastewater obtained after flash evaporation are discharged from the evaporator through a sewage and wastewater receding pipe.

The invention discloses a hot-air grain drying system for deep waste heat recovery. A fire grate is arranged below a hearth, a charging hopper connected with the fire grate is arranged on the side wall of the hearth, a heat exchanger is arranged on the upper portion of the hearth, an induced draft fan communicates with an inner cavity of the hearth, a cooling fan communicates with a drying tower, the drying tower communicates with an air cooler through a pipeline, and the air cooler communicates with the heat exchanger; and the heat exchanger communicates with a hot-air blower, and the outlet of the hot-air blower communicates with the drying tower. The system has the following benefits: air which is discharged from a low-temperature drying section of the drying tower and contains a large amount of water vapor and impurities is creatively and directly fed into the hearth to participate in combustion, the impurities are basically burnt out, and due to the fact that deep waste heat recovery is designed for the heat exchanger, the water vapor can be condensed in the heat exchanger, condensation heat is released, so that the total amount of recovered waste heat is greatly increased; and although the temperature of air exhausted from a cooling section of the drying tower is low, the content of the water vapor and the impurities is low, the air can be directly used as a drying medium to enter the heat exchanger after being slightly filtered, and waste heat recovery and utilization are realized with low equipment investment.

The invention relates to the technical field of flue gas treatment of heat recovery boilers and industry kiln stoves, and specially discloses a flue gas treatment system. The flue gas treatment systemcomprises a waste heat recovery section, a washing absorption section and a washing absorption liquid treatment section, wherein the waste heat recovery section is used for cooling flue gas; the washing absorption section is used for washing and absorbing waste gas; the washing absorption liquid treatment section is used for performing environment-friendly treatment on waste liquid subjected to washing. The system disclosed by the invention integrates waste heat reuse, washing absorption and waste liquid treatment; after the treatment, waste gas and waste heat recycle is realized, energy consumption is reduced, emission concentration of sulfur dioxide is less than 20 mg/Nm<3>, emission concentration of dust is less than 5 mg/Nm<3>, waste water COD is lower than 50 mg/L, SS (suspended solid) is lower than 30 mg/L, PH maintains at around 7, and effects of governing air pollutants and water pollutants are realized.

In order to solve the problem that a large amount of hot air forms an urban heat island effect due to the fact that an existing range hood directly exhausts kitchen oil fume to a public flue or outdoors, the invention provides a kitchen integrated electric appliance and a control method thereof, and the kitchen integrated electric appliance comprises a range hood assembly and a cold air and hot water assembly. The range hood assembly comprises a smoke exhaust air duct, a lampblack separator, a centrifugal impeller and a motor; and the cold air and hot water assembly comprises a compressor, a throttling device, a water storage device, a refrigerating air duct, a reversing device, a first heat exchanger used for exchanging heat with smoke of the smoke exhaust air duct, a second heat exchanger used for exchanging heat with water of the water storage device, an evaporator used for cooling air in the refrigerating air duct and a draught fan. According to the kitchen integrated electric appliance and the control method thereof, the urban heat island effect caused by a range hood can be reduced, hot water required by life is prepared by utilizing heat of kitchen lampblack, cold air is released as required, the problem of stuffiness of a kitchen is solved, energy conservation and environmental protection are achieved, and a comfortable cooking environment is provided.