36results about How to "Reduce start-up energy consumption" patented technology

The invention discloses a device for realizing full-load denitration of a thermal power generating unit. A full-load period includes the stages of a unit grid connection stage, a unit grid connection to low-load stage, a daily dispatching range stage, a low-load stage to the unit stop disconnection process. The device comprises a boiler, a high-pressure heater bank, adjacent steam turbine generator units, a flue gas bypass and a newly-increased final-stage high-pressure heater, the boiler is connected with an SCR (selective catalytic reduction) reaction area through an SCR inlet flue duct, the flue gas bypass is parallelly connected onto the SCR inlet flue duct from a coal economizer entrance of the boiler or a previous heating surface, and an air door baffle is arranged on the flue gas bypass. The device is adapted to SCR denitration systems and can completely operate at various load stages, and NOx (nitrogen oxide) emission of the thermal power generating unit is reduced and meets relevant national emission standards.

The overall hydraulic electric forklift electric system comprises the accumulator source, key switch, generator, audio-optical system, featuring in the accumulator as the energy source being divided by DC-DC potential transformer and low voltage electric source in two branches, with the low voltage source contacting the audio optical system through the said key switch, a controller mainly used for controlling the generator, the steering extender through turning on the switch and linking with the said controller, the high voltage electric power contacting the said controller and controlling the main contact to access the said generator, with the said controller connected with accelerator and micro stroke switch. It is a level free speed adjusting system made of the controller, generator, accelerator, with the traveling system running freely, stable, reliable from low speed to high speed, without energy waste.

The invention provides a spray type steam generator. The spray type steam generator comprises an upper collecting box and a pipe array communicated from top to bottom, and a spraying device arranged in the upper collecting box, wherein the spraying device is connected with a water source for supplying water in a spraying mode; a steam outlet and a joint are formed in the upper collecting box; the pipe array is connected with the upper collecting box through the joint to be communicated with the interior of the upper connecting box, and is used for vaporizing water sprayed out by the spraying device when the pipe array is heated. The spray type steam generator has the advantages of safety, reliability, high heat efficiency, fast steam generation, high automation degree and low operation cost.

The invention discloses an air source heat pump coupled superconductive pipe solar module seawater temperature control system and method, and relates to the field of seawater culture equipment. The system comprises a temperature control water tank, a heat supply source, an electric control valve, a conduit and a plurality of heat exchangers, the temperature control water tank is respectively connected with the heat supply source and heat exchangers through the conduit and the electric control valve to form a thermal cycle pipeline and a cold circulation pipeline, the temperature control watertank comprises a hot water tank and a cold water tank, and the heat supply source comprises an air source heat pump and a solar heat collector, and the conduit comprises a heat conducting pipe, a cooling pipe and a heat exchange pipe; according to the invention, by controlling the on and off of the electric control valve, the real-time conversion and seamless connection of the cold and hot circulation are achieved, and different requirements on breeding cold water, warm water and hot water for breeding farms such as fish, shellfish and crustaceans farms at the same stage are met.

The invention provides a rotary plunger type straw granulator. The rotary plunger type straw granulator comprises a first rolling mold, a second rolling mold, a charge bin, a discharge bin, a connecting rod, a starting mechanism and an auxiliary starting mechanism, wherein the first rolling mold and the second rolling mold are respectively provided with material extruding heads and molding holes which are arrayed in a staggered manner; the material extruding heads on the first rolling mold stretch into the molding holes of the second rolling mold; the material extruding heads on the second rolling mold stretch into the molding holes of the first rolling mold; compression holes are formed in the heads of the molding holes; the inner diameters of the compression holes are greater than or equal to the outer diameters of the material extruding heads and are gradually decreased; a cutter is arranged in the discharge bin; the connecting rod is arranged between the same side end surfaces of the first rolling mold and the second rolling mold. According to the rotary plunger type straw granulator, the auxiliary starting mechanism is arranged and can be used when the straw granulator needs to be restarted after accidental shutdown; the starting power can be greatly reduced, and the straw granulator is short in starting time, low in energy consumption, and easy and convenient to operate.

The invention relates to a clothes dryer and a control method. The clothes dryer is provided with a steam generator, and the gas outlet of the steam generator is respectively connected with an outer cylinder and a sprayer arranged above the evaporator through pipelines, so that the steam Controlled flow to outer cylinder and / or evaporator. In the initial working stage of the clothes dryer of the present invention, all the steam generated by the steam generator flows to the evaporator of the clothes dryer, and the steam transfers heat to the evaporator, so that after the evaporator is heated, the heat is released through the condenser under the action of the compressor. Thereby, the overall working efficiency of the heat pump system is accelerated, thereby increasing the heating speed of the clothes dryer. During the normal steam treatment process of the clothes dryer of the present invention, the unvaporized water automatically flows into the sprayer arranged above the evaporator under the action of gravity, so as to spray the evaporator and clean the evaporator. Attached lint, and sterilize the evaporator and its surrounding components. Simultaneously, the present invention has simple structure, remarkable effect, and is suitable for popularization and use.

The invention relates to an energy-saving device for energy-storing auxiliary starting rotary machinery. A working revolving shaft on the rotary machinery is connected with a driving disk through a single-direction bearing; an electric push rod is connected below the driving disk; the electric push rod is connected with the driving disk in a location fit way; the front end of the working revolving shaft is fixedly connected with a right friction device; the right friction device is connected with a left friction device fixed at the right end of an operating shaft in a matching way; a scroll spring is arranged on the operating shaft; the central end of the scroll spring is fixed on the operating shaft; the outer end of the scroll spring is fixedly connected with the driving disk; the left end of the operating shaft is arranged on a bracket through the single-direction bearing; the bracket is fixedly connected to a slide block of a slider; the bracket is provided with an inner threaded hole, and is in transmission connection with a lead screw through the inner threaded hole; and the lead screw is connected with a servo motor. According to the energy-saving device, collected energy is used for pre-starting equipment, so that starting current is reduced, starting energy consumption is lowered, the equipment starting working condition is optimized, the service life of the equipment is prolonged, and the interference of motor during starting on a power grid is weakened.

The invention discloses an air source heat pump coupled superconductive pipe solar module seawater temperature control system and method, and relates to the field of seawater culture equipment. The system comprises a temperature control water tank, a heat supply source, an electric control valve, a conduit and a plurality of heat exchangers, the temperature control water tank is respectively connected with the heat supply source and heat exchangers through the conduit and the electric control valve to form a thermal cycle pipeline and a cold circulation pipeline, the temperature control watertank comprises a hot water tank and a cold water tank, and the heat supply source comprises an air source heat pump and a solar heat collector, and the conduit comprises a heat conducting pipe, a cooling pipe and a heat exchange pipe; according to the invention, by controlling the on and off of the electric control valve, the real-time conversion and seamless connection of the cold and hot circulation are achieved, and different requirements on breeding cold water, warm water and hot water for breeding farms such as fish, shellfish and crustaceans farms at the same stage are met.

The invention provides a rotary plunger type straw granulator. The rotary plunger type straw granulator comprises a first rolling mold, a second rolling mold, a charge bin, a discharge bin, a connecting rod, a starting mechanism and an auxiliary starting mechanism, wherein the first rolling mold and the second rolling mold are respectively provided with material extruding heads and molding holes which are arrayed in a staggered manner; the material extruding heads on the first rolling mold stretch into the molding holes of the second rolling mold; the material extruding heads on the second rolling mold stretch into the molding holes of the first rolling mold; compression holes are formed in the heads of the molding holes; the inner diameters of the compression holes are greater than or equal to the outer diameters of the material extruding heads and are gradually decreased; a cutter is arranged in the discharge bin; the connecting rod is arranged between the same side end surfaces of the first rolling mold and the second rolling mold. According to the rotary plunger type straw granulator, the auxiliary starting mechanism is arranged and can be used when the straw granulator needs to be restarted after accidental shutdown; the starting power can be greatly reduced, and the straw granulator is short in starting time, low in energy consumption, and easy and convenient to operate.

The invention provides a rotary plunger type straw granulator. The rotary plunger type straw granulator comprises a first rolling die, a second rolling die, a charging chamber, discharging chambers, connecting rods and a mechanism, wherein material extruding heads and forming holes, which are of staggered arrangement, are formed in each of the first and second rolling dies, the material extruding heads on the first rolling die extend into the forming holes of the second rolling die, the material extruding heads on the second rolling die extend into the forming holes of the first rolling die, compression holes are formed in the heads of the forming holes, and the inside diameter of the compression holes is greater than or equal to the outside diameter of the material extruding heads and decreases gradually; cutters are arranged in the discharging chambers; the connecting rods are arranged between end faces of the same sides of the first and second rolling dies; the mechanism is used for increasing the extruding force of the material extruding heads. The rotary plunger type straw granulator has the beneficial effects that the work efficiency is high, the reactive power loss is low, and the like.

The invention discloses a deep peak regulation dry and wet state switching system for a supercritical boiler, which comprises a multi-stage flow limiting device and a flash tank, after the supercritical boiler is switched to a wet state, high-temperature saturated water flows through the multi-stage flow limiting device through a pipeline for pressure reduction, and then enters the flash tank; expansion steam generated after expansion evaporation in the flash tank is divided into two paths, namely a first pipeline and a second pipeline, and the expansion steam in the first pipeline is drained to a steam inlet pipeline of a second high-pressure heater through a pipeline so as to replace part of extracted steam of the second high-pressure heater to heat feed water. The method is suitable for the supercritical boiler without a boiler water circulating pump to be converted from a dry state to a wet state for operation, and full recovery of working media and heat after the supercritical boiler is converted into the wet state for operation and continuous operation after deep peak regulation is converted into the wet state are achieved.

The invention discloses a starting method of a senseless permanent magnet synchronous motor, comprising the following steps: S10), after short-circuiting a motor winding, detecting a motor induced current by driving a sampling module of a controller; S20), determining whether the motor induced current is less than a predetermined value of induced current, if so, proceeding to step S30), or if not,proceeding to step S40); S30), performing open-loop start control; S40), determining whether the motor is in a forward or reverse rotation state, if in the forward rotation state, proceeding to stepS50), if not, proceeding to step S60); S50), performing forward rotation closed-loop vector start control; and S60), performing reverse rotation closed-loop vector start control. The starting method ensures the fast and low-current high-efficiency start when the permanent magnet synchronous motor is stationary or tends to be stationary, realizes fast closed-loop vector control under strong downwind or upwind conditions, reduces energy consumption, shortens start time, and makes motor start smooth.

The invention discloses a two-position two-way normally closed type miniature high-flow fuel electromagnetic valve which is characterized by comprising a valve body assembly. The valve body assembly comprises an inner valve body, an outer valve body is arranged on the outer side of the inner valve body, a movable door mounting chamber is arranged between the two valve bodies, a movable door is arranged in the movable door mounting chamber, the inside of the movable door and the inside of the inner valve body are of hollow structures, an inlet is formed in the head of the outer valve body, a first hole is formed in the rear of the inlet, directly faces the movable door and is communicated with a control cavity, the control cavity is formed inside the movable door and the inner valve body, and is communicated with an ejector rod mounting chamber via a second hole formed in the inner valve body, the head of the ejector rod mounting chamber is communicated with a fourth hole in the outer valve body via a third hole in the inner valve body, the movable door mounting chamber is arranged between the inner valve body and the outer valve body, a fifth hole is formed in the outer valve bodyand is particularly formed in a position next to the movable door mounting chamber, and the inner valve body, the movable door and the outer valve body are in clearance fit with one another. The two-position two-way normally closed type miniature high-flow fuel electromagnetic valve has the advantages of small volume, light weight, high-voltage resistance, high flow and reliability, low starting energy consumption and the like.

The invention discloses a starting system of an extra-large power DC amplitude-voltage motor. The starting system comprises an armature, a logarithm voltage generator, a constant current generator, a self-adaptive time schedule controller, a diode, a capacitor, a resistor, an inductor, and a relay; the positive electrode of a power source is respectively connected with the cathode of the diode, the capacitor and the armature, wherein the anode of the diode is connected with the constant current generator, the other end of the capacitor is respectively connected with the inductor and the resistor, the other end of the inductor is connected with the anode of the diode, the other end of the armature is respectively connected with the resistor, the relay, the constant current generator and the logarithm voltage generator; one end of the relay is connected with the self-adaptive time schedule controller, and the other end of the relay and the self-adaptive time schedule controller are respectively connected with the negative electrode of the power source. Through the adoption of the logarithm voltage generator, the constant current generator and the self-adaptive time schedule controller, the starting process of the motor has the features of being small in starting current, large in torque and short in starting time, not only the motor can be frequently started, but also the starting energy consumption of the motor is reduced.

The integrated fresh air rotating wheel constant-temperature and constant-humidity unit comprises a box body, a cavity in the upper portion is a hot air treatment chamber, a cavity in the lower portion is a cold air treatment chamber, the two sides of the hot air treatment chamber and the two sides of the cold air treatment chamber are open, and first filter plates are installed at the open positions of the hot air treatment chamber and the cold air treatment chamber on the two sides; energy-saving assemblies are installed on the opposite sides of the interiors of the cold air treatment chamber and the hot air treatment chamber, a supporting bracket is fixedly connected to the lower portion of the energy-saving assembly of the hot air treatment chamber, and installation assemblies are installed on the opposite sides of the interiors of the cold air treatment chamber and the hot air treatment chamber; cooling liquid and heating liquid are conveyed into all the copper pipes through the water pump and the connecting pipes, pretreatment heating or cooling is conducted on the temperature through the copper pipes, and therefore the starting energy consumption of the air compressor and the air heater is reduced.

The invention provides a water circulating system using a spray-type steam generator. The water circulating system comprises the spray-type steam generator, a steam and water separator, a center circulating water tank, and a pressurizing device which is connected with the center circulating water tank and used for pressurizing water, wherein the spray-type steam generator comprises an upper header and a tube row which are arranged in a communicating manner from top to bottom, and a spraying device which is arranged inside the upper header; the spraying device is connected with the center circulating water tank and is used for supplying water in a spraying manner; the upper header is provided with a steam outlet and an interface; the tube row is connected with the upper header by the interface so as to be communicated with the inside of the upper header so that the water sprayed by the spraying device can be vaporized to generate steam when the tube row is heated. The system has the advantages of being safe, reliable, high in thermal efficiency, rapid in steam generation, high in automation degree and low in operating cost.

The invention discloses a damping device for concrete block forming machine, which relates to an elastic component supportively arranged between a frame of the concrete block forming machine and a die of the concrete block forming machine. Being supported by the elastic component, the die of the concrete block forming machine is just close to / or separated from a vibration platform of the concrete block forming machine. The damping device for concrete block forming machine of the invention has the advantages that when a vibration motor is started, the weight of the die is placed on the elastic component, and the vibration motor is started under a small load, thus reducing the energy-consumption for start-up and prolonging the service life of the vibration motor; moreover, the elastic component also has certain damping effects during the vibration, thus not only delivering better vibration effect, but also reducing the mechanical loss of the concrete block forming machine and causing lower vibration noise.

The invention relates to a fusion traffic information-based vehicle starting optimization control method, which comprises the following steps of: when a vehicle stops or idles, acquiring a current traffic flow, a state vector of a controlled vehicle, a state of a traffic signal lamp and a distance between the traffic signal lamp and the controlled vehicle as state information of the controlled vehicle; and when the vehicle stops, whether the controlled vehicle is started at the next moment or not is judged through the vehicle starting optimization control model based on the state information. The vehicle starting optimization control model establishes a corresponding relation between the vehicle state information and whether the vehicle is started or not. After the vehicle stops, whether the vehicle is started or not can be judged according to the current state of the vehicle, so that starting and stopping of the vehicle are reduced on the basis of not additionally increasing time cost, and starting energy consumption is reduced. The corresponding device is realized according to the method.