11results about How to "Significant energy saving" patented technology

The utility model provides an IGBT driving circuit based on a push-pull structure, and relates to the technical field of power electronic device driving, and the IGBT driving circuit comprises an optocoupler isolation module which is used for receiving a control signal and providing electrical isolation output; the push-pull driving module comprises an NPN type triode Q1 and a PNP type triode Q2 which are complementary and symmetrical; the push-pull driving module is configured as follows: when the optocoupler is conducted, Q1 is saturated and conducted, Q2 is cut off, and a driving current charges an IGBT grid electrode through R2; when the optocoupler is turned off, the Q2 is saturated and turned on, the Q1 is turned off, and the driving current flows through the R3 to discharge the grid electrode of the IGBT. Bidirectional driving current is provided through a push-pull structure, the charge charging and discharging speed of the IGBT grid electrode is increased, the switching loss is reduced, bidirectional driving current is provided through a switch-on resistor R2 and a switch-off resistor R3, the resistance value of the switch-on resistor R2 is selected to be small, the purpose of reducing switch-on loss Eon is achieved, the resistance value of the switch-off resistor R3 is selected to be large, and the purpose of reducing switch-off Vce is achieved.

The application discloses a kind of vegetable energy-saving dehydration drying line and dehydration method thereof, it is related to vegetable processing technical field, the application includes drying cabinet, the hinge is connected with cabinet door in the front end of drying cabinet, fixed rod is rotatably installed in drying cabinet, and a plurality of trays are fixedly installed on fixed rod, cavity is opened in the bottom of drying cabinet, and electric heating wire is installed in cavity, and motor is fixedly installed in the bottom of drying cabinet;Including the following steps: S1: opening cabinet door, the vegetables to be dried are evenly spread and placed on multiple trays.Occupational in that: the application can be automatically turned over to vegetables during dehydration and drying of vegetables, forcibly turn over internal materials and expose to hot air, effectively solve the problem of uneven drying and local partiality, greatly shorten the dehydration period, and the high-temperature waste gas can also be recycled after dehumidification, greatly reduce the heat loss in the process of wetting.

The application provides a water recovery device and method for circulating water systems and flue gas systems of thermal power plants, relates to the field of water recovery technologies for coal-fired power plants, and comprises a high-temperature and high-humidity air source, an absorption heat pump, a condensate tank and a heat exchanger. The high-temperature and high-humidity air source is used for generating water vapor from at least one of the circulating water system and the flue gas system of the thermal power plant. The high-temperature side inlet of the absorption heat pump is connected with the high-temperature and high-humidity air source, the high-temperature side outlet of the absorption heat pump is connected with the condensate tank, and the low-temperature side circulating working medium of the absorption heat pump can exchange heat with the high-temperature side water vapor of the absorption heat pump. The heat exchange water of the heat exchange pipeline of the heat exchanger can exchange heat with the low-temperature side circulating working medium of the absorption heat pump, and the outlet of the heat exchange pipeline of the heat exchanger is connected with an external heat utilization device to supply heat to the outside. The application can deeply couple the water vapor discharged from the circulating water system and the flue gas system, realize efficient condensation recovery of the water vapor and grade improvement and reuse of the waste heat, and achieve remarkable water saving and energy saving effects.

The utility model discloses a zinc oxide grinding machine which comprises an outer machine box, an inner barrel body and a discharging barrel, the discharging barrel is installed in the center of the bottom of the outer machine box, a discharging motor is installed at one end of the discharging barrel, and the output end of the discharging motor extends into the discharging barrel and is provided with a spiral stirring paddle. Fine grinding blocks are arranged on the inner wall of the discharging barrel between blades of the spiral stirring paddle; a servo motor is installed on one side of the outer machine box, and the output end of the servo motor extends into the ball milling bin of the outer machine box and is provided with an inner cylinder. Due to the adoption of the design of the double grinding balls, the contact area and the collision frequency of a grinding medium and a zinc oxide material are obviously increased. The protrusions evenly arranged on the outer side of the first grinding ball are matched with the grooves evenly formed in the outer side of the second grinding ball, the interaction between the grinding media is further optimized, the grinding process is more efficient, the zinc oxide can be ground to the finer granularity, and therefore the production capacity is remarkably improved.

The application discloses a belt sintering machine body waste heat recovery method, belongs to the technical field of industrial waste heat recovery, and aims to solve the problem that sensible heat of a sintering machine return trolley is not effectively utilized. Firstly, according to the measured temperature, the return path is divided into a high-temperature zone (>= 300 DEG C), a medium-temperature zone (150-300 DEG C) and a low-temperature zone (< 150 DEG C). Subsequently, a radiation heat exchange device is arranged above the trolley body in each temperature zone, the lower surface of the device keeps a small gap of 2mm to 40mm with the moving trolley, and heat exchange safety is ensured without interference. Waste heat utilization is divided into two levels: the heat exchange device in the high-temperature and medium-temperature zones is connected to an economizer or an evaporation section of a waste heat boiler, a steam-water cycle is formed to produce steam, and the steam is used for power generation or process heating; the heat exchange device in the medium-temperature end and the low-temperature zone forms an independent hot water circulation system, and the output hot water is used for preheating of sintering mixture, heating of a factory area and life facilities. The application opens up a new source of sintering waste heat, and through a cascade utilization mode, remarkable energy saving and consumption reduction and economic benefits are realized.

The utility model provides an energy -conserving structure section steel claw belongs to aluminium smelting technical field. Energy -consaving structure section steel claw includes guide rod, crossbeam and branch leg. The material of guide rod is configured as aluminium. Crossbeam includes first combination layer and second combination layer, the material of first combination layer is configured as aluminium, the material of second combination layer is configured as steel, first combination layer and second combination layer mutually close surface explosive welding, guide rod is welded with first combination layer, and the both ends of crossbeam along the length direction of itself have the groove, and the groove is set to one side of crossbeam close to guide rod. The one end of branch leg along the length direction of itself is welded with second combination layer, and the number of branch leg is multiple, and multiple branch legs are arranged along the length direction of crossbeam, and the one end of branch leg away from crossbeam is inserted in anode carbon block, and the material of branch leg is configured as steel. The energy -conserving structure section steel claw of the utility model can reduce the resistivity of steel claw, improve the even degree of current distribution in steel claw and improve the structural stability of steel claw.

The utility model discloses a dual-system variable-frequency energy-saving temperature and humidity regulation and control device, and solves the problems of frosting, unstable temperature and humidity control and the like of the conventional storage environment regulation and control device. The equipment comprises a fixed-frequency compression system and a variable-frequency compression system which are connected into respective circulation loops through a compressor assembly, a heat exchange assembly, a liquid storage assembly, a valve assembly and a fan assembly. The fixed-frequency system has a refrigeration and dehumidification mode, and the variable-frequency system has a refrigeration and heating mode. The equipment is further provided with a sensing module, and after data are transmitted to the central controller for operation, an operation mode is output. The outdoor unit heat exchanger is uniquely designed, the problem of bottom frosting is solved, wide-range temperature and humidity stable control is achieved, frequency conversion adjustment and energy conservation are achieved, draught fans are shared, initial investment is saved, and the system is widely applied to the field of storage environment control.

The application provides a low-temperature curing pure polyester powder coating for containers and a preparation method thereof, and relates to the technical field of special coatings. The low-temperature curing pure polyester powder coating for containers adopts a high-reactivity carboxyl-terminated pure polyester resin covalently modified by a weather-resistant monomer. The weather-resistant monomer is a functional monomer containing at least one carboxyl or hydroxyl in the molecular structure and capable of participating in polyester polycondensation reaction, so that the obtained coating has good weather resistance and low-temperature curing adaptability while maintaining the inherent advantages of the pure polyester system. It has been verified that the coating can be completely cured at 160 DEG C x 8 min, solving the problems of high energy consumption, uneven heating of large workpieces and damage of heat-sensitive components caused by high-temperature curing of 180-200 DEG C of traditional container powder coatings; the obtained coating has the performances of high salt mist resistance, high weather resistance and high impact resistance, and can meet the long-acting protection requirements of containers in the harsh marine environment.

The invention discloses a bionic self-cleaning water filtering core layer and a preparation method and application thereof, and belongs to the technical field of filtering, the bionic self-cleaning water filtering core layer comprises a porous supporting layer, a filtering functional layer and a self-cleaning layer; wherein the filtering functional layer is compounded on the porous supporting layer; the filtering functional layer comprises nanofiber grids which are interwoven with one another and bionic adhesive hydrogel which is filled in the nanofiber grids; the self-cleaning layer comprises a drivable artificial cilia array, and the drivable artificial cilia array vertically penetrates through the filtering function layer. According to the core layer provided by the invention, the filtering efficiency, the self-cleaning capability and the structural stability are remarkably improved through parameterized design, the dependence on a chemical cleaning agent and the need for frequent maintenance are also reduced through the long-acting operation characteristic of the core layer, and the core layer has remarkable environment-friendly and energy-saving advantages while the service life is prolonged.

The utility model discloses a polyester pre-oriented yarn (POY) drying box with an intra-cavity heat circulation assembly, and relates to the technical field of polyester production, the polyester pre-oriented yarn drying box comprises a drying box main body, an adjusting mechanism is arranged on the outer side of the drying box main body, and the adjusting mechanism comprises a telescopic assembly which comprises two gears rotationally installed in the drying box main body, according to the device, during excessive drying, a servo motor is used for driving the gears to rotate, the two toothed plates synchronously and relatively move, the distance between the limiting shafts is shortened, and therefore the drying efficiency is improved. The conveying length and the drying time of the polyester pre-oriented yarn in the drying box are reduced; when drying is insufficient, the distance is increased through reverse adjustment, the requirement for drying the polyester pre-oriented yarn is flexibly met, the problem of excessive drying or insufficient drying is effectively solved, and the drying quality of the polyester pre-oriented yarn is guaranteed.

The invention relates to a high magnetic induction oriented high silicon steel strip and a preparation method thereof. The preparation method comprises the following steps that raw materials are subjected to smelting, continuous casting and hot rolling, and a hot rolled plate with the thickness being 2-3 mm is obtained; the hot-rolled plate is subjected to cold rolling, decarburization annealing and secondary recrystallization annealing treatment, and an oriented silicon steel strip is obtained; dispersing solid silicon oxide powder in an organic solvent to form slurry, and uniformly coating the surface of the oriented silicon steel strip with the slurry; the coated strip is subjected to siliconizing treatment at the temperature of 100-300 DEG C, the feeding speed is larger than or equal to 0.01 m / min, and the protective atmosphere of siliconizing treatment is a silicon-containing gaseous compound; and carrying out post-treatment on the siliconized high-silicon steel strip to obtain the high-magnetic-induction oriented high-silicon steel strip.