Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

599results about How to "Reduce electricity consumption" patented technology

Vertical rolling washing machine and control method thereof

The invention relates to a vertical-drum washing machine and a vertical-drum washing method thereof. A washing inner drum rotates and drives washing liquid and clothes to press a washing drum wall and ascend along the washing drum wall. The clothes are washed by the washing liquid while generating friction with the inner drum wall in the washing mode, and the clothes are mutually rubbed and beaten so as to achieve the washing aim to a maximum extent and further improve the cleanliness. The vertical-drum washing machine is mainly provided with a box body, wherein an outer drum, the washing inner drum, an underpan assembly and a driving mechanism are arranged in the box body; only a plurality of dewatering drain holes are uniformly distributed in the horizontal circumferential direction below a balance ring at the top of the drum wall of the washing inner drum, a centrifugal drain valve is arranged in each dewatering drain hole so that the dewatering drain holes are controlled to open when the washing inner drum achieves a set start speed and close when the speed of the washing inner drum is lower than the set start speed; and the driving mechanism is connected with the bottom of the drum wall of the washing inner drum to drive the washing inner drum to make washing rotation and dewatering rotation.
Owner:叶小舟 +1

Intelligent electric park demand response strategy

The invention discloses an intelligent electric park demand response strategy. At present, applicable subjects established by most of intelligent demand models are single residential users, so that diversity and uncertainty of a practical user group are neglected and involvement of a park formed by aggregation of a plurality of users is avoided. The intelligent electric park demand response strategy is implemented as follows: (1), flexible loads of an intelligent electric park are classified according to different demand responses; (2), corresponding demand response strategy models are established for different flexible loads; (3), a corresponding demand response strategy model is established for the intelligent electric park; and (4), effects of users in the park under different demand response strategies are calculated. According to the intelligent electric park demand response strategy, optimized scheduling is carried out on all demand response resources under different electricity price incentive mechanism effects by using user power cost minimization as an objective, so that the user power cost can be reduced and the load electricity behavior can be improved. Therefore, the intelligent electric park can participate in the demand response under a market and competitive mechanism.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER COMPANY ECONOMIC TECHN INST +2

Energy-saving grinder swirler closed-loop system and control method

The invention provides an energy-saving type closed circuit system and a control method for a mill swirler. The energy-saving type closed circuit system comprises a feeder, a conveyor, an ore miller and the swirler. The invention is characterized in that: a weighing type pulp multi-parameter online detection integration device is arranged on the overflow and desilting pipeline of the swirler. The energy-saving type closed circuit system and the control method for the mill swirler provide a better solution for the problem of the online detection of key parameters such as flow rate, density, grain size, grade, etc. with high detection accuracy and good reliability. The energy-saving type closed circuit system and the control method for the mill swirler can further make use of the detected accurate parameters to determine data such as the feeding amount of the miller, the circulating load of the miller, the grinding concentration of the miller, the pulp density in a pump bath, the sand return ratio, etc., thereby completely reaching the aims of maximally improving the processing capacity of a miller table, saving energy and reducing consumption with the precondition of ensuring the qualified overflow grain size (pulp product) of the swirler through the data matched with the control device and the operation module in the prior art.
Owner:罗放明

Domestic sewage treatment process and apparatus

The invention discloses a domestic sewage treatment process, which comprises the following steps that: sewage enters an anaerobic pond to carry out a degrading reaction after being filtered, outlet water automatically flows into a middle adjusting pond, and outlet water of an artificial wetland pond part flows back to the middle adjusting pond; water of the middle adjusting pond enter oxygen lack environment, high-concentration mud in the sewage is discharged to the anaerobic pond, and NO2-NO3-N ions in circulating water are subjected to denitrification under the oxygen lack environment; the outer water after an oxidation reaction automatically flows into an aerobiont reaction tower; and the outlet water of the aerobiont reaction tower automatically flows into the artificial wetland pond of which the inside is provided with emergent aquatic plants, floating plants, fish and shrimps. The invention also discloses domestic sewage treatment equipment. On the basis of the prior domestic sewage treatment mode, the method sufficiently utilizes the low cost of an anaerobic wetland method and the high efficiency of an aerobiont method, and greatly reduces the cost of the water treatment. The whole flow does not needed to add medicines, and reduces the cost. Power consumption only comes from a lifting pump of the middle adjusting pond, and energy consumption is greatly saved.
Owner:江苏百纳环境工程有限公司

Novel quick drying device for edible mushrooms and quick tremella drying technology of novel quick drying device

The invention relates to a novel quick drying device for edible mushrooms and a quick tremella drying technology of the novel quick drying device. The novel quick drying device for the edible mushrooms comprises a drying box, which is characterized in that a plurality of layers of independent drying conveyor mesh belts are longitudinally arranged in the drying box, and a hot air pipe of which the upper side is provided with a blowing port and a microwave or far infrared heating device controlled by an intelligent controller are both mounted on the drying conveyer mesh belts; the length of the layers of drying conveyor mesh belts is 30-60 km, the conveying speed is 0.25-0.65m/min, and the drying time from feeding to discharging is 1.5-2 hours; tremella is dried to have the moisture content of 8%-12%, the drying process is controlled by a PLC (Programmable Logic Controller), the tremella on each layer is orderly and alternatively dried by the hot air, the microwave or the far infrared and the hot air, and the drying temperature for the tremella is strictly controlled to be 78-82 DEG C; and the temperature and the humidity are synchronously monitored, and moist steam is removed timely. The novel quick drying device for the edible mushrooms and the quick tremella drying technology can save large amount of electric energy consumption, reduce large amount of energy consumption and carbon emissions, improve automation degree, reduce labor charges and artificial loss and greatly improve the level of cleaner production.
Owner:FUJIAN AGRI & FORESTRY UNIV

Mobile terminal power consumption lowering method and device

The invention discloses a mobile terminal power consumption lowering method and device. The method comprises the following steps: a daemon process is established on a Modem side, and the daemon process is linked to communication between an application program and a server; when the daemon process is awakened by a long connection timer of the application program, the daemon process sends a heartbeat packet to the server; when the daemon process receives a data packet from the server, the daemon process queries communication information and distributes the data packet to a corresponding application program on an AP side. The device comprises a daemon process module on the Modem side and a data storage module, wherein the daemon process module is used for sending the heartbeat packet to the server when the daemon process module is awakened by the long connection timer, the daemon process module is also used for querying the communication information and distributing the data packet to the application program when the data packet is received from the server, the data storage module is used for storing communication information of the application program and the server, and the daemon process module is linked to the communication between the application program and the server. The mobile terminal power consumption lowering method and device are aimed at solving a technical problem that high power consumption is caused when a mobile terminal is frequently awakened during long connection.
Owner:NUBIA TECHNOLOGY CO LTD

Corrugated plate type water evaporation and cooling type heat exchanging tampering device

The invention relates to a corrugated plate water evaporative cooling heat and mass exchanger, which is characterized in that the invention comprises a plurality of plastic sheets which are provided with twill weaves, the adjacent plastic sheets are mutually alternatively arranged according to the direction of the corrugation. The two sides of the plastic sheet are respectively bounded with supporting frames which are arranged on the two sides of the plastic sheet into a whole, and the top portion and the bottom portion of the plastic sheet are respectively bounded with a supporting flattop which is horizontally arranged on the top portion and the bottom portion of the plastic sheet into a whole. The invention can be widely applied to a cooling dehumidifying system of an air-conditioner. The positive and negative of each layer of corrugated plastic medium are alternatively bounded in the direction of the corrugation, which can not only exchange two different quality of humid heat in two channels simultaneously, but also utilize the heat exchange between the adjacent channels to cooling down the temperature when in dehumidifying. The invention has a good fluid distribution, the surface area S of the rate of heat and mass exchange can achieve 350-700m2 / m3, void ratio beta can achieve 90-95%. The invention can be widely applied in a new generation of dehumidifying evaporating cooling, or evaporating and indirect evaporating cooling air-conditioning systems.
Owner:黄之栋 +2

Hearth negative pressure control method and system for coal-fired generating unit draught fan driven by small steam turbine

InactiveCN102235658AReduce electricity consumptionImprove operating indicatorsBoiler controlAutomatic controlPower grid
The invention relates to a hearth negative pressure control method and a hearth negative pressure control system for a million-kilowatt coal-fired generating unit draught fan driven by a small steam turbine. Hearth negative pressure is adjusted through the force of the draught fan and can be controlled by changing the opening of a guide blade of the fan and the rotating speed of the small steam turbine for driving the draught fan, the automatic control process is finished through a control circuit, and the control circuit measures negative pressure in a hearth in real time, compares the measured negative pressure with a set value, is adjusted through a program proportional integral link and the like in the control circuit, and sends a signal to control the opening of the guide blade of the draught fan or the rotating speed of the small steam turbine so as to keep the hearth negative pressure stable. By the method and the system, technical guarantee is provided for driving the draught fan by using the small steam turbine under the condition of ensuring that the hearth negative pressure requirement is met and the unit normal variable load adjustment and unit failure working conditions, standard coal consumption is low when the small steam turbine drives the draught fan to supply power, auxiliary power and coal consumption for power supply are obviously reduced, more electricity is sold to a power grid, economic benefits are obvious, and obvious energy-saving benefits and technical popularization value are achieved.
Owner:华能国际电力股份有限公司海门电厂

Energy saving system of electrically driven feed pump of power frequency-variable frequency switching type liquid coupling

The invention relates to an energy saving system of an electrically driven feed pump of a power frequency-variable frequency switching type liquid coupling, and belongs to the technical field of energy saving transformation of electrically driven feed pump sets driven by a liquid coupling in a power station. the energy saving system is characterized in that a frequency converter and a power-frequency bypass is arranged between a power supply frequency converter and a motor on the condition that the connection type of original electrically driven feed pump sets are cont changed. According to the energy saving system, the frequency converter and the power-frequency bypass are mounted between the power supply breaker and the motor, the power frequency-variable frequency power supply is input in the motor by switching, a front-mounted pump is coaxially driven by one end of the motor, a liquid coupling input shaft is coaxially driven by the other end of the motor, a feed pump is driven by a liquid coupling output shaft, and a lubrication pump and a working oil pump are designed and mounted in a liquid coupling lubricating oil system and a working oil system, so that the same liquid coupling has two operation manners; for meeting requirements of the power frequency-variable frequency operation manners of the feed pump sets, the front-mounted pump is changed into a front-mounted pump which can operate in both a constant speed manner and a variable speed manner. The energy saving system of the electrically driven feed pump of the power frequency-variable frequency switching type liquid coupling is simple in structure and rational in design, and has two operation manners including a volume-velocity-regulated speed-regulation type liquid coupling in a power-frequency constant speed input process and a pump-pulley-regulated speed-increase gear box in a variable frequency speed-regulation input process.
Owner:张文海 +1

Backpressure machine acting and heat supply device for steam exhaust heat supply network of intermediate pressure cylinder of steam turbine

The invention discloses a backpressure machine acting and heat supply device for a steam exhaust heat supply network of an intermediate pressure cylinder of a steam turbine. The backpressure machine acting and heat supply device comprises a backpressure machine and control equipment thereof, wherein an electric generator is arranged at a power output end of the backpressure machine to output electric energy, or an electric motor is arranged at the power output end of the backpressure machine to drive power equipment. The backpressure machine is additionally arranged on a pipeline between exhausted and extracted steam of the intermediate pressure cylinder and a first heater of a heat supply network so that the exhausted and extracted steam of the intermediate pressure cylinder drags the electric generator to generate electricity after being expanded by the backpressure machine and acting, or the power equipment is coaxially dragged by an SSS (Synchro-Self-Shifting) clutch and the electric motor; the steam exhausted after the backpressure machine acts is supplied to the first heater of the heat supply network. Compared with the prior art, the backpressure machine acting and heat supply device has the beneficial effects that the throttling loss of the exhausted steam of the intermediate pressure cylinder is reduced to the minimal without influencing a heat supply requirement by additionally arranging the backpressure machine, and part energy of the extracted steam is converted into high-grape power output which is used for generating the electricity or coaxially dragging the power equipment with the electric motor, so that the remarkable technical effects of energy conservation, consumption reduction and low-carbon environment protection are achieved.
Owner:HUADIAN POWER INTERNATIONAL CORPORATION LTD

Heat collector system of multifunctional solar drying room

A heat collector system of a multifunctional solar drying room comprises a solar heat collector, a heat-insulation water tank, a circulating water return pipe, a heat converter, a drying room, a heat exchange pump, a circulating water supply pump and a water replenishment valve. The solar heat collector acquires solar heat, forced circulation between the solar heat collector and the heat-insulation water tank is realized by the aid of the circulating water supply pump, accordingly, the solar heat acquired by the solar heat collector is continuously transmitted to the heat-insulation water tank, then hot water in the heat-insulation is delivered to the heat converter via the heat exchange pump, and is converted into hot air by the aid of circulation of the heat converter, and the hot air is delivered into the drying room via a heat supply pipe. Accordingly, an existing conventional heating mode is replaced, the temperature of water in the heat-insulation water tank can reach about 80 DEG C as long as illumination time reaches 8 hours, the temperature of the inside of the drying room can range from 50 DEG C to 60 DEG C, and conventional drying requirements can be met. Tests show that power consumption of the heat collector system can be saved by 60% to 75% as compared with the existing conventional heating drying mode.
Owner:JIANGSU PLET PLASTIC PACKING

Method for reducing SO3 concentration in diluted phosphoric acid

InactiveCN102431981ASave the cost of extraction processReduce the cost of the concentration processPhosphorus compoundsDiammonium phosphateChemistry
The invention relates to a method for reducing SO3 concentration in diluted phosphoric acid, which is characterized in that a desulfurizer is additionally arranged between a wet process phosphoric acid extraction tank and a diluted phosphoric acid storage tank, an ore pulp storage groove is connected into the desulfurizer through a pipeline, the diluted phosphoric acid obtained through filtering and extraction through the phosphoric acid extraction tank is connected to the desulfurizer through a pipeline, the desulfurizer is also connected to the diluted phosphoric acid storage tank through a pipeline, the diluted phosphoric acid obtained through the filtering and the extraction through the phosphoric acid extraction tank is pumped into the desulfurizer through a pump, simultaneously, ore pulp is also pumped into the desulfurizer, the diluted phosphoric acid and the ore pulp take reaction in the desulfurizer for reducing the free sulfuric acid content in the diluted phosphoric acid, and the desulfurized diluted phosphoric acid is pumped into the diluted phosphoric acid storage tank through the pump. The method has solves the problem of ammonium phosphate production affected by mass fluctuation of the phosphate ore and has the advantages that: (1) the quality of the ammonium phosphate product is stable, 1 percent of SO3 in the phosphoric acid is reduced, the total nutrient content of the produced monoammonium phosphate product is improved by about 1.0 percent, and the total nutrient content of the produced diammonium phosphate product is improved by about 0.6 percent; and (2) the extraction work procedure cost is saved, and simultaneously, the contraction work procedure cost is reduced.
Owner:GUIZHOU KAILIN GRP CO LTD

Air conditioner energy-saving control method and device based on comfort level

The embodiment of the invention provides an air conditioner energy-saving control method and device based on the comfort level. The control method comprises the following steps that season informationand passenger flow density information are used as adjusting strategy factors, and an energy-saving control strategy of an air conditioner system of a waiting room is adjusted; and the comfort levelof passengers is taken as a feedback strategy factor, the energy-saving control strategy of the air conditioner is optimized, and the temperature and the air quality of the waiting room are adjusted in real time. According to the air conditioner energy-saving control method and device based on the comfort level, based on the purposes of reducing the labor intensity of workers, improving the comfort level of the passengers, saving energy and reducing consumption, multiple operation environment factors are fully considered, the season, the temperature, the passenger flow density, the CO2 concentration and other strategy factors are combined, and the comfort level of the passengers is calculated so as to optimize the energy-saving control strategy suitable for a passenger station, so that itis ensured that the total electricity consumption of the air conditioner system is effectively reduced while the comfort transfer waiting environment is provided for the passengers, energy-saving operation and intelligent control of the air conditioner are realized, and the purposes of saving the energy, reducing the consumption, reducing the staff number and enhancing the efficiency and improvingthe intelligent management level of the station are achieved.
Owner:CHINA RAILWAYS CORPORATION +2
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products