171results about How to "Reduce running power consumption" patented technology

The invention relates to an integrated absorption heat-exchanging unit, belonging to the field of the heating and hot water supply devices and comprising a hot-water absorption heat-exchanger and a normal water-water heat exchanger which are combined, wherein, the hot-water absorption heat-exchanger adopts the means of two-level evaporation and two-level absorption. The unit comprises a generator, a condenser, a low-pressure absorber, a high-pressure absorber, a low-pressure evaporator, a high-pressure evaporator, a solution heat exchanger, a throttle device, a solution pump, a water-water heat exchanger and various connecting pipes and accessories. The invention can effectively reduce the backwater temperature of a first-time network of a collective heating system, thus greatly raising the temperature difference of between hot water supply and backwater of the first-time network, further greatly reducing the initial investment to the pipeline system and the power cost of the pump running, creating conditions for utilizing the low-quality heat energy even waste heat, etc., enhancing the comprehensive energy utilization efficiency of the system and reducing the heat supply cost.

The invention provides a nano-refrigerant hydrate phase change cool-storage refrigerant and a preparation method thereof; surfactant is dissolved in water to prepare the water solution of the surfactant; subsequently, the refrigerant is dripped into the water solution of the surfactant and mixed till that the solution is changed from turbidity to brightness. According to the solubility of the surfactant in water and in the refrigerant, the surfactant can be dissolved in the water and can also be dissolved in the refrigerant. Under static state, the water phase and the refrigerant phase are uniformly mixed in microscopic scale to augment the two-phase diffusion interface, thus promoting the growth of the hydrate crystal. The system can lead the water phase and the refrigerant phase to be mixed uniformly without applying mixing, disturbing and external field; the refrigerant phase is dispersed in water in the form of micelle or (and) microemulsion; and alternatively, the water phase is dispersed in the refrigerant phase in the form of micelle or (and) microemulsion; the dripping size of the dispersing phase is 100nm or less. The hydrate phase change cool-storage refrigerant does not delaminate after being placed for a long time, is single-dispersion system with stable thermal-mechanics performance and has the appearance of transparent or semi-transparent solution.

The invention discloses a non-stick overvoltage and under-voltage protector with a leakage protection function. The non-stick overvoltage and under-voltage protector comprises a box body and a control unit, wherein the control unit comprises a power circuit (1), a current sampling circuit (2), a voltage sampling circuit (3), a microprocessor (4), a key processing circuit (5), a working state indicating circuit (6), a magnetic relay driving circuit (7), a magnetic latching relay (8), a leakage mutual inductor (9), an energy-storage capacitor (10) and a chip peripheral circuit (11). According to the non-stick overvoltage and under-voltage protector with the leakage protection function provided by the invention, a power supply is switched on automatically when the power voltage restores to a normal voltage range after an under-voltage protection action is taken, so that the continuity of power supply is ensured, and the power supply quality is ensured; and after a leakage protection action is taken, the power supply is switched on automatically after a fault is cleared and a manual key is pressed for confirming, the power supply continuity is ensured, and personal safety is protected.

The invention relates to an air preheating system of a thermal power generator set, in particular to an air pre-heating system and method performing steam extraction by utilizing a steam turbine. In the system, a primary air preheating subsystem and a secondary air preheating subsystem are coupled with a boiler system and a steam turbine system of the thermal power generator set to form a novel boil feed water preheating system. Primary air is heated by a four-stage air heater and a first-stage drain water cooler to reach primary air rated temperature. Secondary air is heated by a five-stage air heater to reach a secondary air rated temperature. The air preheating system effectively solves the air leakage problem, reduces operation power consumption of a primary fan, a forced draught blower and an induced draft fan and improves the generating efficiency of a coal-fired power plant. In addition, the primary air temperature and the secondary air temperature can be flexibly adjusted by adjusting steam extraction volume of the air heaters and opening degree of a drain water by-pass valve.

The invention discloses an energy-regeneration pollution-free disposal method for a waste electrical appliance circuit board. The energy-regeneration pollution-free disposal method comprises the following steps: coarsely crushing the waste electrical appliance circuit board, performing alkalization and incineration at a temperature of 870-1400 DEG C to enrich multiple metals; cooling the incineration smoke in a hierarchical manner to coarsely separate the enriched metal oxides; collecting dust through a pipeline membrane process, removing dust through a dust collector, discharging after performing catalytic oxidative purifying, heating boiler stream through incineration heat energy to drive a steam turbine to generate power. The energy-regeneration pollution-free disposal method is simple and reliable, free of emission of harmful residues, waste gas and wastewater and free of secondary pollution; moreover, multiple metals in the waste circuit board can be completely enriched and recycled.

The invention discloses a parallel heat exchanger melting ice cold accumulation device, comprising refrigerating unit and heat exchanger connected as a loop and heat exchanger adjusting valve, secondary refrigerant and refrigerator adjusting valve set on the pipelines of heat exchanger outlet and refrigerating unit inlet; an ice tank pipeline connected to the pipeline between secondary refrigerant pump and refrigerator adjusting valve, with ice tank adjusting valve and ice tank set orderly on it, and its another end connected to the pipeline between refrigerating unit outlet and exchanger melting inlet; bypass line connected to the pipeline between heat exchanger adjusting valve and secondary refrigerant pump, with a bypass adjusting valve set on it and another end connected to the pipeline between ice tank adjusting valve and ice tank. The device which maintains the advantages of original parallel heat exchanger system can realize five operating modes of cold accumulation, ice tank supplying ice, refrigerator supplying refrigeration, ice tank and refrigerator unifying supplying refrigeration and simultaneous accumulating and supplying, meanwhile has simplified control method of parallel heat exchanger system, increased its stability and decreased its cost.

The invention discloses a beekeeping management and control system, and relates to a beekeeping system. The beekeeping management and control system comprises an intelligent beehive, wherein the intelligent beehive comprises a beehive body, a control module, detection devices and an execution device, the control module is used for receiving detection signals transmitted by the detection devices, comparing the detection signals with set characteristic signals, and outputting control signals to the execution device according to the comparison result, the detection devices comprise the inner detection device and the outer detection device, the inner detection device is installed in the intelligent beehive, and is used for detecting the temperature factor, the sound factor and the pressure factor of the interior of the intelligent beehive, the outer detection device is installed outside the intelligent beehive and is used for detecting the temperature of the exterior of the intelligent beehive, the execution device is installed in the intelligent beehive, and is used for carrying out the control signals output by the control module, the input end of the control module is connected with the output ends of the detection devices, and the output end of the control module is connected with the input end of the execution device. According to the beekeeping management and control system, automation of the whole management and control process of beekeeping can be achieved, labor intensity of beekeeping is greatly reduced, working efficiency is high, the cost is low, and the beekeeping management and control system is easy to popularize and use.

The invention discloses a circulating fluidized bed boiler bottom slag cooling system, and relates to combustion equipment bottom slag cooling technology. The system mainly comprises a slag cooler and a bottom slag thickness separator. The bottom slag thickness separator comprises a barrel, a bottom slag inlet, an air inlet, an air outlet and a bottom slag outlet. The bottom slag inlet is connected with a slag discharge port at the bottom of the circulating fluidized bed boiler through a boiler slag conveying pipe; the bottom slag outlet is connected with the inlet of the slag cooler; and the air inlet is connected with a secondary air pipe of the circulating fluidized bed boiler. Secondary air from an air pre-heater enters the bottom slag thickness separator through the air inlet to exchange heat with bottom slag before entering the hearth of the boiler and takes away fine granule materials in the bottom slag, finally the fine granule materials are returned to the hearth of the boiler through the air outlet to participate in material circulation, and the coarse granular slag falls to the slag cooler on the lower part for further cooling. The system can realize selective slag discharge, and solves the problems of local coking of the fluidized bed slag cooler and the like so as to further improve the running stability of the boiler.

The invention belongs to the energy saving field of central heating, and discloses a thermal station energy saving device with double adjustment functions. The thermal station energy saving device with the double adjustment functions is characterized by comprising a double adjustment control master machine (1), an outdoor temperature sensor (2), a heat exchanger (3), a secondary water supply temperature sensor (6), a secondary return water temperature sensor (7), a secondary bypass pipe (4), a one-way electric adjusting valve (5), a secondary mixed water temperature sensor (8), a secondary mixed water pressure sensor (10), a secondary return water pressure sensor (11) and a water pump inverter (9). According to parameters obtained through monitoring of the outdoor temperature sensor, the open degree of the electric adjusting valve on the secondary bypass pipe is adjusted, a part of return water on the secondary side is enabled to enter the heat exchanger for heat exchanging, and the other part of the return water on the secondary side passes through the bypass pipe and can reach a predicted water supply temperature after being mixed with other water. According to parameters obtained through monitoring of the secondary mixed water pressure sensor and the secondary return water pressure sensor, an instruction is sent to the water pump inverter to adjust the running frequency of a water pump, and therefore the flow rate of the secondary water supply is changed. The thermal station energy saving device with the double adjustment functions achieves climate compensation control, supplies heat according to the needs of users, and reduces the quantity of electricity consumed by the water pump in the operation process.

The invention discloses a material feeder suitable for easily-bridged materials, which comprises a shell, wherein a storage bin is connected onto the shell; the bottom part of the storage pin is provided with a stirrer; the stirrer is formed by a stirring shaft and a cutting device on the stirring shaft; the cutting device is in a protruded column type, a shaftless spiral type, a fin type or a rotary plow type; the shell is internally provided with a helical blade shaft which is connected to a spiral driving device; the spiral driving device is connected with a stirrer through a stirrer actuating device; the stirrer can be connected with an independent stirrer driving device; and the feeder can be a screw feeder, a double helix feeder, a belt feeder, a scraper feeder or a screw pump. According to the invention, the materials are forcedly scattered in the storage bin, so that the bridging and blocking phenomena of the materials can not easily occur, and thus the normal and stable operation of the feeder is ensured.

The invention discloses a malodorous gas treatment integrated process, which solves the pollution problem of malodorous gas with high concentration, high output and complicated ingredients discharged in the oil refining chemical field. The malodorous gas treatment integrated process adopts a hypergravity revolving bed, a packed absorption tower, and two absorbents for multistage absorption of malodorous gas. The malodorous gas treatment integrated process is safe and equipment consumes little power when running.

The invention provides a device system and method for achieving carbon dioxide cyclic power generation through geothermal energy. The disclosed system comprises a liquid CO2 storage tank, a high-pressure pump / compressor, a geothermal energy CO2 energy storage device, a terrestrial heat production well, a steady flow adjuster, a turbine / piston expander, a power generator, a cooler and a CO2 compressor. The invention further discloses a method, in the method, low-pressure liquid CO2 fluid serves as a working medium, geothermal water and low-temperature CO2 fluid exchange heat with each other to form supercritical CO2 fluid different in temperature, pressure and energy density, then the equal-pressure supercritical CO2 fluid is achieved through adjustment of the steady flow adjuster, and then power generation is conducted. According to the device system and the method, heat energy in the geothermal water with the temperature ranging from 70 DEG C to 300 DEG C in the terrestrial heat production well is adopted for conducting energy storage on the liquid CO2, carbon dioxide cyclic power generation is achieved after tempering, the heat energy can be efficiently recycled, and high heat efficiency is improved; and energy in the terrestrial heat is effectively stored and utilized, and flexible adjustment and utilization of energy are achieved.

The invention relates to an operation method of an electrostatic field oil-water separation system. The electrostatic field oil-water separation system comprises an oil-water separation tank, a support, a press machine, a transformer, a degassed oil input port, an anode electrode plate, an annular cathode electrode plate, an oil outlet, an oil pumping pump, an upper pressure sensor, an upper dielectric constant sensor, an oil mud outlet, an oil mud pumping pump, a lower pressure sensor, a lower dielectric constant sensor, a control cabinet, an adapter module and a central computer. The operation method of the electrostatic field oil-water separation system has the advantages that the problems that crude oil dehydration rate is low, massive oil is contained in discharged water and energy consumption is high are solved, so that space of an electrostatic field is expanded, dehydration time of crude oil in the electrostatic field is shortened, dehydration efficiency is effectively improved, operation power consumption is reduced, production cost is reduced, energy conservation and environmental protection are achieved, height of an emulsion layer is effectively reduced, oil contained in the discharged water is reduced, sewage treatment cost and environmental protection pressure are reduced, structure is simple, operation is convenient, design thought is simple, an electrostatic field separation effect is good, and the operation method of the electrostatic field oil-water separation system is applicable to popularization and application.

The invention relates to a technology for preparing high-cleanliness and high-octane gasoline from methanol through a one-step catalysis method. The process of preparing gasoline from methanol is a strong heat release process, and existing technologies for preparing gasoline from methanol at home and abroad all adopt recycle gas (which mainly contains mixed methane, ethane, hydrogen, propane, butane, pentane, carbon monoxide, carbon dioxide and the like) as a heat taking medium to take away heat generated in a reactor, so as to control the outlet temperature of the reactor; liquefied gas (mainly containing propane and butane) produced by a device per se is adopted in the technology to substitute the recycle gas and enters the reactor to serve as a heat removal medium, and the liquefied gas rarely participates in reaction under the same reaction condition, the reaction product is basically unchanged. The technology has the advantages that a recycle gas compressor is not needed, the equipment investment is greatly reduced, the running power consumption of the device is reduced, the heat exchange flow of the device is optimized, the device is simple, stable and reliable in operation, and meanwhile, the public engineering grade is also reduced, so that the technology has significant practicability, huge economic benefits and wide application prospect.

The invention provides a bimetal composite type abrasion-resistant liner plate and a manufacturing method, and relates to the technical field of instruments. The key technology of 'bimetal composite' is adopted, one face of a middle steel plate of the bimetal composite type abrasion-resistant liner plate is connected with a high-chromium iron casting containing a metamorphic complex agent in a casting mode, and the other face of the middle steel plate of the bimetal composite type abrasion-resistant liner plate is connected with a carbon steel casting in a casting mode. The manufacturing method for the bimetal composite type abrasion-resistant liner plate comprises the steps that 1, a high-chromium iron casting model in a liner plate casting model is casted through high-chromium cast iron molten lava containing the metamorphic complex agent, a carbon steel casting model in the liner plate casting model is casted through carbon steel molten lava at the same time, and manufactured rough casting bodies are combined into a casting; 2, the casting is made into a quenching casting through air cooling and quenching; and 3, the quenching casting is made into the bimetal composite type abrasion-resistant liner plate through tempering. The bimetal composite type abrasion-resistant liner plate is applied to a ball mill and is skillful in structure, simple in manufacturing method, stable and reliable in effect, easy to manufacture and low in cost.

The invention discloses a pneumatic discharging mechanism. The pneumatic discharging mechanism comprises a receiving channel, a diagonal bottom plate is arranged on an opening in the lower end of the receiving channel, the upper end of the bottom plate is located in the receiving channel and is closely connected with a side wall of the receiving channel, and a discharge opening is formed by the lower end of the bottom plate and the lower end of the side wall of the corresponding receiving channel; a baffle is arranged below a bottom plate, and a gap forming channel is formed between the baffle and the bottom plate; a horizontally or slightly inclined storage plate is arranged at the lower end of the baffle, and the storage plate is located below the discharge hole; an opening in the lower end of the gas channel is communicated to the upper surface of the storage plate, an opening in the upper end of the gas channel is communicated with either an air outlet of a compressed gas device or a pneumatic component. According to the pneumatic discharging mechanism provided by the invention, the power consumption is low in a pneumatic discharging process; furthermore, the pneumatic discharging mechanism is simple in structure, easy to process, long in life, wide in application scope, even to discharge, simple to control, small in size and low in space requirement, and is free from fault and maintenance.

The invention discloses an integrated small and medium multi-point water inflowing deep nitrogen and phosphorus removal sewage processing system and a processing method. The system and method are mainly used for processing high-concentration town sanitary sewage and high-concentration industrial waste water, especially COD, sanitary sewage with high ammonia nitrogen content or industrial waste water. The processing system comprises a grating adjusting pond, an aeration tank, a first anoxic pond, a first aerobic pond, a second anoxic pond, a second aerobic pond, a precipitating pond, a flocculation reaction pond and a flocculation precipitating pond which are successively communicated. The multi-point water inflowing mode is adopted, water resources are reasonably utilized, and the system has the advantages of being low in cost, efficient, capable of resisting loading and impacting, stable in quality of discharged water, convenient to operate and manage, and beneficial for integrated construction and saving of occupied area.

The invention provides a swirling air flow-type and wet flue gas desulfurization technique and a spraying tower thereof. The technique guides flue gases to enter tangentially from the upper part of a spraying tower shell; the flue gases swirl inside the spraying tower shell and leave tangentially from the lower part of the spraying tower shell; at the same time, limestone grout is sprayed upward and fog drips of the grout firstly touch the downward-swirling flue gas reverse flow, and then fall back owing to the effect of self-weight and drag force of the flue gas and then touch the forward flow of the flue gas, thus sulfur dioxide in the flue gases is absorbed owing to the quick chemical reaction with limestone grout fog drops. The spraying tower comprises a spraying tower shell; the spraying tower shell is provided with tangentially arranged flue gas inlet and outlet channels; a spraying device for spraying absorbing agents upwards is arranged between the flue gas inlet and outlet channels; a central tank is arranged in the center of the spraying tower shell; a flue gas guide plate showing a spiral descent structure is arranged on the central tank; a defroster is arranged in the flue gas inlet and outlet channels of the spraying tower shell. The desulfurization efficiency thereof is high, investment is small, and operation is safe and reliable.

The invention discloses a dust removal device for an intermediate frequency furnace. The dust removal device includes a fan, a motor, a dust collector body, a smoke collection hood and a pipe; the smoke collection hood is provided with a smoke collection port and a discharge port, and the smoke collection port covers The area of ​​the intermediate frequency furnace in the vertical state and the overturned state is used to capture the dust-containing flue gas generated at the intermediate frequency furnace; one end of the pipe is connected to the exhaust port of the smoke collection hood, and the other end of the pipe is connected to the fan. It communicates with the air inlet and discharges to the dust collector body; the dust collector body includes a filter bag and a flower plate, the filter bag is used to filter the dust in the flue gas, and the flower plate is used to discharge the filtered flue gas. The dust removal equipment has the advantages of high efficiency, energy saving and small footprint.

The invention relates to a solar-ground source heat pump coupled energy supply system and an operating method thereof. A large unit, a small unit and solar hot water are adopted to supply heat to a building, the two units are interconnected and intercommunicated at the tail end and ground source side of the building, the heat is supplied to the building under various modes by using two ground source heat pump systems and the solar hot water according to an actual thermal load requirement, the operation mode of the system is optimized under the condition of ensuring that the soil temperatures of the ground source heat pumps are balanced, and efficient operation for cooling in summer and heating in winter is realized. When bearing an extremely low heat supply load within a relatively long period of time, the heat supply requirement of the building is met through supplying heat by solar-assisted ground source heat pumps and directly supplying heat by solar energy; and when bearing a normal heat supply load, the heat supply requirement of the building is met by using a pure ground source heat pump unit.

The invention provides a method for realizing carbon dioxide cycle power generation based on waste heat from a cement plant. According to the method, CO2 captured during emission reduction is used as a working medium and is cooled and compressed into liquid CO2, the low-pressure liquid CO2 fluid is conveyed into different CO2 energy storage devices through high-pressure pumping devices with the extremely-low energy consumption, various waste heat generated in the cement production process is used as the energy for energy storage of the low-pressure liquid CO2 fluid, and high-pressure thermal supercritical CO2 fluid with the fluctuations and / or different temperatures and different heat densities is generated and is tempered and changed into isothermal-isobaric supercritical CO2 fluid through a steady flow regulator to be stably supplied to a turbine / piston expander so that the turbine / piston expander can do work to drive an electric generator to generate electricity; and carbon dioxide cycle power generation is realized, efficient heat recycling can be achieved, the high heat efficiency is achieved, surplus energy is stored and used effectively, and flexible adjustment and utilization of the energy are achieved.

The invention relates to an ADCA (Azodicarbonamide) foaming agent waste liquor treatment process which comprises the following steps of: preheating waste liquor to 40-60 DEG C; treating the waste liquor in a vacuum crystallizer under the condition that the temperature is 45-130 DEG C and the vacuum degree is 0-0.1 MPa; separating out sodium sulfate; reducing the temperature of a mother solution obtained after the sodium sulfate is separated to 35-40 DEG C, and crystallizing under the condition that the vacuum degree is 0.080-0.085 MPa; and separating out ammonium chloride. The ADCA foaming agent waste liquor treatment process provided by the invention can recover the sodium sulfate and the ammonium chloride under the precondition of zero sewage discharge and can greatly reduce the treatment cost of waste water.

The invention discloses a flow regulating device for a backflow type centrifugal water pump. The output end of the centrifugal water pump is connected with a first tee joint through a pipeline; the first tee joint is connected with a first flow regulating valve through a pipeline; the first flow regulating valve is connected with a second check valve through a pipeline; the first tee joint is connected with a second flow regulating valve through a pipeline; the second flow regulating valve is connected with a second tee joint through a pipeline; and the second tee joint is respectively connected with a water source and the centrifugal water pump through a pipeline. The invention has the advantages that: steplesss regulation of output flow and pressure is realized in a mode of partial backflow of a pump opening, and backflow water flow is circulated inside the water pump, so that the water pump operates at a position close to the optimal operating point, and the loss of water power is reduced; energy carried by the water pump is fed back to an inlet of the water pump through a water head, so that the power of an input shaft of the water pump is substantially reduced, and the electric energy consumption of the water pump is finally reduced during operation; and the device has a simple structure and low cost.

The invention relates to a solar energy-ground source heat pump coupling type energy supply system provided with two buried pipe groups. The solar energy-ground source heat pump coupling type energy supply system provided with the two buried pipe groups is characterized in that the energy supply system comprises a solar heat collector, a heat-storage water tank, a ground source heat pump unit, the first buried pipe group, the second buried pipe group, a building tail end device, a heat-collection circulating water pump, a heat-storage circulating water pump, a ground source side circulating water pump, a first heat-storage control valve, a second heat-storage control valve, a first ground source side control valve, a second ground source side control valve, a first pipe group flow regulation valve, a second pipe group flow regulation valve, a first pipe group heat meter and a second group pipe heat meter; the solar heat collector is sequentially connected with the heat-storage water tank and the heat-collection circulating water pump through pipelines, namely a heat collection cycle is formed, and hot water generated by solar energy is collected; and the hot water outflow end of the heat-storage water tank is sequentially connected with the first heat-storage control valve, the heat-storage circulating water pump, the first buried pipe group, the second heat-storage control valve and the backflow end of the heat-storage water tank through pipelines, so that a heat storage cycle is formed.

The invention discloses a low-temperature heat pump sludge drying device for controlling double heat exchangers by a single compressor. The low-temperature heat pump sludge drying device comprises a sludge channel, an air channel and a heat pump system, wherein the sludge channel is composed of a sludge inlet, a multilayer conveyer mesh belt connected end to end, and a sludge outlet; the air channel is composed of a fan, an air filtering device, evaporators and condensers; the fan is arranged below the multilayer conveyer mesh belt; the air filtering device, the evaporators and the condensersare arranged above the multilayer conveyer mesh belt; the heat pump system is composed of an evaporator, a condenser, a compressor, a liquid storage tank, a gas-liquid separator and an electronic expansion valve; the fan comprises a first fan and a second fan; and two groups of the evaporators and two groups of condensers are arranged. Double-channel air supply is performed by adopting double airoutlets of the two fans, the air supply quantity of a closed sludge drying room is increased, the heat and moisture exchange quantity between dried air and sludge is increased, and non-uniform distribution of the dried air in a rectangular box is avoided. The two groups of the evaporators and two groups of condensers are controlled by the same compressor, so that the effective heat exchange area of the two groups of the evaporators and condensers is enlarged, and the heat exchange effect is excellent.

The invention provides a device system utilizing cement plant waste heat for achieving carbon dioxide cyclic power generation. The device comprises a liquid CO2 storage tank, a high-pressure pumping device, a CO2 energy storage device, a flow stabilizer, a turbine / piston expander, a power generator, a cooling device and a compression device. The CO2 energy storage device is used for making low-pressure liquid CO2 fluid pumped out of the liquid CO2 storage tank directly absorb abandoned waste heat or high-temperature heat energy which is different in temperature and is produced by a cement production line for energy storage, and the low-pressure liquid CO2 fluid is converted into supercritical CO2 fluid different in temperature, pressure and energy density. The flow stabilizer is used for converting the supercritical CO2 fluid different in temperature, pressure and energy density into equal-pressure supercritical CO2 fluid. According to the device system, captured carbon dioxide serves as a working medium, various kinds of abandoned waste heat which is generated in the cement production process and is large in temperature fluctuation and temperature difference is utilized as main energy to achieve carbon dioxide cyclic power generation, and energy consumption is low.

The invention relates to a mineral source soil conditioner granulation process and device. The granulation process comprises the following steps: (1) raw material proportioning; (2) micro-granulation:forming uniform micro-particles with the moisture content of 10-12% and the particle size of 0.2-0.5 mm through strong mixing granulation; (3) micro-particle storage; (4) disc granulation: forming particles with the moisture content of 11-13% and the particle size of 2-3mm through disc granulation; the granulating device comprises a storage bin, a strong mixing granulator, a micro-particle storage bin, a disc granulator, a drying machine and a vibrating screen which are connected in sequence; and a stirring device and a scraper are arranged in a granulator cylinder of the strong mixing granulator. According to the process, a process of combining strong mixing micro-granulation and disc granulation is adopted, so that the material mixing uniformity is increased, the use ratio of a granulation additive is reduced, the balling rate reaches 85% or above and is improved by 35%, the moisture of disc granules is reduced, single-stage drying is adopted, and the process flow and equipment investment are simplified.

The invention discloses a hybrid electric vehicle power driving system based on double planetary lines. A first planetary frame is connected with a first power source through a fifth transmission shaft and a first transmission shaft; a first brake is arranged on the fifth transmission shaft; a first sun wheel is in driving connection with a third power source through a fourth transmission shaft, and a second brake is arranged on the fourth transmission shaft; a second planetary frame is connected with a first gear ring, the second planetary frame is connected with a power output device througha second transmission shaft, a second sun wheel is in driving connection with a second power source through a third transmission shaft, and a second gear ring is connected with the fourth transmission shaft; and a controller is electrically connected with the first brake, the second brake, the first power source, the second power source and the third power source. In the hybrid electric vehicle power driving system, the second power source and the third power source are mounted on the position away from the first power source so as to reduce the influence of the heat dissipation temperature of the first power source on the second power source and the third power source, a second power source cooling system and a third power source cooling system are simplified, and the efficiency of the systems is improved.