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

The invention provides an energy-saving control method and system for an air-source heat pump system. The method comprises the following steps that S1, a building standard cooling and heating load prediction model is constructed; S2, building refinement partitioning is conducted according to the building standard cooling and heating load prediction model, a cooling and heating energy-using demanddynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at intervals; and S3, an air-source heat pump unit and an indoor tail end thereof, a freezing water pump, a valve unit, a fan and a heat pump host respond to an instruction sent by a central host in time, and according to the energy-using demand dynamic curve and combination of a time delay caused by the adjustable segment length and fluid velocity, operation stages of the air-source heat pump system is divided into an equipment starting stage, a steady state operation stage and an equipment shutdown stage for staging control. The invention further comprises the energy-saving control system of the air-source heat pump system. The energy-saving control system has the advantages of being efficient, stable, free of pollution, low in energy consumption, significant in energy-saving effect and the like, and therefore the total energy efficiency of the system can be improved by 5% to 25% on the basis of the original system efficiency.

Provided are an energy-saving control method and system for a river water source heat pump system. The method comprises the following steps that S1, building standard cold and heat energy consumptionlarge data are built; S2, according to the building function, energy using time and load distribution difference, by combination with the building standard cold and heat energy consumption large data,building refinement partitioning is conducted, a cold and heat energy requirement dynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at fixed intervals; and S3, according to the cold and heat energy requirement dynamic curve of the building, the large hysteresis quality and nonlinearity of an air conditioner system are considered, the river water source heat pump system is divided into an equipment starting stage, a steady-state operation stage and an equipment halt stage, and staged control is conducted; and the temperature changes of river waterare monitored in real time, and when the temperature difference of inlet and outlet water of a river water source heat pump unit exceeds the set value, corresponding water pumps are controlled in a variable-frequency mode, and the water flow is adjusted. The invention further discloses the energy-saving control system for the river water source heat pump system. The energy-saving control method and system for the river water source heat pump system have the advantages of being high in efficiency, stable, free of pollution, small in energy consumption, remarkable in energy-saving effect and thelike.

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 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 invention discloses an aquatic product low-temperature refrigeration device and method. The device comprises a flash-freezing solution, a refrigeration pool, an ultrasonic-assisted refrigeration system, a quick start module, a refrigeration unit and a hoisting machine, wherein the whole refrigeration pool has an annular shape, one half of the refrigeration pool is a pre-cooling pool, and the other half of the refrigeration pool is a freezing pool; the ultrasonic-assisted refrigeration system comprises an ultrasonic generator and an ultrasonic transducer; the refrigeration unit comprises asingle-stage compression-type refrigerator and a cascade refrigerator, and an evaporator pipeline of the single-stage compression-type refrigerator is arranged on the outer wall of the pre-cooling pool; and an evaporator pipeline of the cascade refrigerator is arranged on the outer wall of the freezing pool. According to the device, cold energy can be sufficiently recycled and utilized, so that the starting time and starting energy consumption of the refrigeration device can be greatly reduced; low-frequency ultrasonic intermittent working assisted refrigeration is adopted, the super-cooling degree of cell tissues of an aquatic product can be reduced, generation of large ice crystals in the cell tissues of the aquatic product can be inhibited, the structure of the cell tissues of the aquatic product can be protected, and the aquatic product can be quickly frozen with high quality.

Provided are an energy-saving control method and system for a deep lake water source heat pump system. The method comprises the following steps that S1, a building cold and heat load prediction modelis built; S2, building refinement partitioning is conducted according to the building cold and heat load prediction model, and a cold and heat energy requirement dynamic curve of all subzones of a building is generated and is updated once every other 15-30 min; and S3, an indoor terminal, a freezing water pump, a valve unit, a deep lake water source side water pump and a heat pump host of the deeplake water source heat pump system respond to a command sent by a central host in time, the equipment response time, the starting and stopping characteristics and the system water capacity are considered according to the energy requirement dynamic curve, the deep lake water source heat pump system is divided into an equipment starting stage, a steady-state operation stage and an equipment halt stage, and staged control is conducted. The invention further discloses the energy-saving control system for the deep lake water source heat pump system. The energy-saving control method and system forthe deep lake water source heat pump system have the advantages of being high in efficiency, stable, free of pollution, small in energy consumption, remarkable in energy-saving effect and the like.

Provided are an energy-saving control method and system for a sewage source heat pump system. The method comprises the following steps that S1, a building standard cold and heat load prediction modelis established; S2, refine building partition is carried out according to the building standard cold and heat load prediction model, a cold and heat energy consumption need dynamic curve of sub-areasof a building is generated, and the dynamic curve is updated one time at intervals; and S3, facilities of the sewage source heat pump system respond to a command issued by a central mainframe in time,the sewage source heat pump system is divided into the facility starting phase, the steady-state operation phase and the facility shutdown phase according to the energy consumption need dynamic curve, in the steady-state operation phase, whether the temperature difference of a water inlet and outlet of a sewage source heat pump unit is within the set temperature range or not is judged, if yes, running is carried out in the set temperature difference range, and if no, variable-frequency adjustment is carried out on a corresponding water pump. The energy-saving control method and system for thesewage source heat pump system have the advantages of being efficient, stable, free of pollution, small in energy consumption, remarkable in energy saving effect and the like.

The invention provides a Bernoulli propeller, belonging to a power mechanical part. The Bernoulli propeller comprises a turntable, a rotating shaft connector is arranged at the center of the turntable, the front surface of the turntable is a flat surface and the rear surface of the turntable is provided with cambered faces evenly distributed in circumferential direction. The Bernoulli propeller not only can drive a ship body to move forwards effectively, but also has the advantages of not being stuck by tangled algae and having no safety hazards during operation.

The invention provides a starter generator, which comprises a fixation shaft, a driving wheel sleeved on the fixation shaft and in driving connection with the fixation shaft, and a housing arranged onthe driving wheel. The driving wheel is in driving connection with an external power source; and the housing is internally provided with a power generation assembly. The power generation assembly comprises an excitation coil arranged on the fixation shaft and permanent magnets arranged on the inner wall of the housing. Since the housing is arranged on the driving wheel, the permanent magnets rotate with the driving wheel, and magnetic force lines are cut to generate power; through arrangement of an outer rotor and an inner stator, the rotor is fixed to the housing, the housing not only playsa protection effect, but also increases the weight of the rotor to enable rotational inertia of the rotor to increase, so that under the condition of the same power, start energy consumption of the generator can be reduced, and the generator is allowed to be started more economical and efficient; and the housing is externally provided with a counterweight member for increasing the rotational inertia of the housing to increase, and thus the generator is allowed to be started more economical and efficient.

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 power source has one case for holding the other parts, one energy storing system, one energy releasing system, one control mechanism for the energy storing system and one control mechanism for the energy releasing system. It has the features of simple structure, capacity of storing excessive energy without waste, and no waste exhaust and environmental pollution during releasing energy.

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 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 discloses a pressurization and compression system. The pressurization and compression system comprises a base frame, an air compression device and a pressurization device; the air compression device and the pressurization device are installed on the base frame; a water inlet pipe main pipeline, a water outlet pipe main pipeline and a water drain pipe main pipeline are installed at the bottom of the base frame; the air compression device comprises an air inlet pipeline, wherein the air inlet pipeline is sequentially provided with a compressor, a separation tank and an air storagetank; the compressor, the separation tank and the air storage tank are installed on the base frame; an oil return pipeline is arranged between the compressor and the separation tank; and the air compression device further comprises a deflation pipeline. The booster compressor provided by the pressurization and compression system is provided with the deflation pipeline and an air inlet valve, and the deflation pipeline is used for controlling the air inlet valve so as to enable a low-load starting environment to be formed in the air inlet pipeline, so that the compressor is started in a low-load or zero-load environment, and therefore, compared with starting with load, the energy consumption is lower and the abrasion is less.

The invention belongs to the technical field of cells, and discloses processing equipment of a solid oxide fuel cell. The processing equipment comprises a propane tank, an air tank, a quartz glass tube and a cylindrical tube furnace, wherein the quartz glass tube is m-shaped and is provided with three openings in total, the openings at two ends are inlets, the opening in the middle is an outlet, and the outlet section in the middle of the quartz glass tube is provided with two notches; an air inlet pipe of the propane tank and a first air inlet pipe of the air tank are converged and then connected with two inlets of the quartz glass tube, a second air inlet pipe of the air tank is communicated with an inner cavity of the cylindrical tube furnace, the quartz glass tube is placed in the cylindrical tube furnace, and an inlet and an outlet of the quartz glass tube are formed in the side wall of the cylindrical tube furnace; catalyst is placed in inlet sections at two ends of the quartz glass tube, solid oxide fuel cell tubes are placed at two notches, the outer walls of the solid oxide fuel cell tubes face an inner cavity of the cylindrical tube furnace, and the inner walls of the solid oxide fuel cell tubes are communicated with a middle outlet section of the quartz glass tube.

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 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 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 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.

This invention relates to a small torque changeover valve, which comprises valve, tightening dynamic valve core and static valve core one of which is made of politef materials. The invention uses the characteristics of the stainless steel, tungsten alloy and ceramics, which lowering the pressure on the dynamic valve core to ensure the sealing demands of the dynamic and static valves and to lower the resistance torque of the dynamic and static valve cores when in starting to realize the dynamic valve core of small torque.

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.