14results about How to "Reduce electricity load" patented technology

The invention provides a method for liquefying and recovering dimethyl ether in mixed gas, which comprises the following steps: feeding raw material gas containing 3-9% of gaseous dimethyl ether into a washing tower, washing the dimethyl ether in the raw material gas until the content of the dimethyl ether in the raw material gas is below 1%, cooling dimethyl ether liquid for washing to keep the circulating temperature of the dimethyl ether liquid below 40 DEG C, the method comprises the following steps of: washing raw material gas, feeding the washed raw material gas into a first-stage temperature swing adsorption tower group consisting of two or more towers to finally obtain product gas in which the total content of dimethyl ether, methyl acetate and methanol is less than 100ppm, and carrying out isobaric back flushing operation on the adsorption towers by using the raw material gas heated to 140-160 DEG C as regenerated gas to achieve the purpose of recovering dimethyl ether. And after the regeneration of the adsorption tower is finished, the adsorption tower is cooled to enter the next cycle. According to the method, the dimethyl ether can be efficiently recycled, and the economic and environment-friendly requirements are met.

The embodiment of the utility model relates to the technical field of motor control, in particular to a three-phase conducting ring device, a motor stator and a motor. The first conducting ring is provided with a first power supply input connecting piece connected with an input power supply and two first wire connecting pieces; the second conducting ring is provided with a second power supply input connecting piece connected with the input power supply and two second wire connecting pieces; the third conducting ring is provided with a third power supply input connecting piece connected with the input power supply and two third wire connecting pieces; the first insulating sheet is stacked between the first conducting ring and the second conducting ring; and the second insulating sheet is laminated between the second conductive ring and the third conductive ring. The three-phase conducting ring device is adopted to increase the rated current output by the motor, so that the output power of the motor is increased.

The invention relates to a double-cold-source multi-mode refrigeration and cold storage integrated fresh-keeping storehouse cold supply system, and belongs to the technical field of refrigeration and fresh keeping. The system comprises a steam compression type refrigeration subsystem with a cold accumulation function, a dry-wet complementary cold supply tower, a secondary refrigerant circulating pump, an air cooler and other main components. According to weather conditions, the temperature of the fresh-keeping storehouse and the cold load, the steam compression type refrigeration subsystem with the cold accumulation function and the dry-wet complementary cold supply tower are used for cold supply. The steam compression type refrigeration subsystem with the cold accumulation function can operate in three modes of refrigeration, cold accumulation and cold supply, refrigeration, cold accumulation and cold supply. The dry-wet complementary cold supply tower can operate in a dry working condition cold supply mode and a wet working condition cold supply mode. According to the cold supply system of the fresh-keeping storehouse, the dry-wet complementary cold supply tower is used for supplying a low-energy-consumption cold source, and the refrigeration and cold storage integrated evaporator is used for storing cold for carrying out power load peak clipping and valley filling and reducing the energy consumption cost. The system has the advantages of energy conservation, low operation cost, capability of balancing and reducing the load of the power grid and the like.

The invention discloses an oil slurry desolidification process and equipment integrating chemical sedimentation and electrostatic separation, belonging to the field of catalytic cracking oil slurry removal of solid catalyst. The oil slurry desolidification equipment integrating chemical sedimentation and electrostatic separation comprises a static mixer, a primary sedimentation separation component, a two-stage electrostatic separation component and a filter which are connected in sequence, wherein the primary sedimentation separation component comprises a settler, and the two-stage electrostatic separation component comprises an electrostatic separator A, an electrostatic separator B and an electrostatic separator C; the invention can realize that, by adopting a process combining primary auxiliary agent sedimentation and secondary electrostatic separation, impurities with large particle size are initially sedimented and removed before electrostatic separation, and impurities with small particle size are deeply removed by electrostatic separation, thereby improving the efficiency of oil slurry desolidification, improving the solid impurity removal rate, reducing the power load of electrostatic separation, and reducing the cleaning frequency.

The invention discloses a multi-working-magnetic-potential hybrid excitation linear motor. The multi-working-magnetic-potential hybrid excitation linear motor comprises an armature primary side, an excitation primary side and a secondary side located between the armature primary side and the excitation primary side. The armature primary side comprises a plurality of armature teeth, and each armature tooth is wound with an armature winding; the excitation primary side comprises a plurality of excitation teeth, each excitation tooth is wound with an excitation winding, and each excitation tooth is provided with a permanent magnet array; the secondary side includes a plurality of segmented modulation blocks. According to the multi-working-magnetic-potential hybrid excitation linear motor provided by the embodiment of the invention, the split primary structure is adopted, so that the problem of space limitation caused by the fact that the armature winding and the excitation winding in the hybrid excitation motor in the related technology are on the same side can be solved to a great extent, and the conflict between an electric load and a magnetic load caused by the fact that the armature winding and the permanent magnet are on the same side is effectively weakened; and additional air-gap magnetic field working harmonic waves are introduced, so that the defect of average thrust of a traditional consequent pole structure is overcome.

The invention discloses a temperature rising method and a temperature control system, belongs to the technical field of temperature control systems, and mainly aims to accurately regulate and control the temperature of each heating area in a temperature field and guarantee the temperature uniformity of the temperature field and stable operation of equipment. According to the main technical scheme, temperature information of all heating areas of a temperature field is obtained in real time through a temperature collection device and converted into temperature data to be transmitted to a central processing unit, and the temperature data are compared and analyzed through a data analysis module of the central processing unit; if the absolute value of the difference value of the temperature data of any two heating areas is larger than 1 DEG C, the central processing unit sends an instruction to the temperature control device, the corresponding temperature controller is switched from a program control mode to a local control mode, and meanwhile the corresponding temperature data is transmitted as the set temperature; in the local control mode, the temperature controller controls the real-time temperatures of all the heating areas to be the same according to the set temperature and an adjusting instruction, and the temperature of a temperature field is uniform; and after the temperature is stabilized, the temperature controller is switched back to the program control mode to operate according to a preset temperature rise curve.

The application discloses a kind of infectious disease epidemic period short-term power load prediction method and device, by constructing including different geographical area power load data, time information, weather data and mobile data knowledge base, with the knowledge base trained migration deep learning model, the input of the migration deep learning model is the time information, weather data and mobile data of different geographical area, the output of the migration deep learning model is the short-term power load prediction result of different geographical area, in training with depth reinforcement learning to determine the optimal hyperparameter of the migration deep learning model shared weight layer, with the migration deep learning model of optimal hyperparameter trained to carry out power load prediction.The application can improve prediction accuracy, and overcome the problem of limited mobile data related to infectious disease epidemic.

The application provides a kitchen system, which uses exhaust gas of a power equipment to heat a clean water source combined by condensate water of an air conditioning system and hot condensate water of a steam heating equipment, turns waste into treasure, generates heat energy, heats drinking water, rice or dishes, is healthier for human body, protects cabin environment of the kitchen, and the secondary use of the hot water source can also clean and extinguish the exhaust gas and drainage system of the kitchen, and can also heat the condensate pipe of the air cooler in the food freezer and the pipe system in the low-temperature environment such as the air cabin of the two outer wings or the open deck, so that the pipe system does not freeze. The kitchen system circulates and uses the exhaust gas of the power equipment, the condensate water of the air conditioning system and the hot condensate water of the steam heating equipment, thereby reducing the electric load of the ship, conforming to the green and low-carbon development trend of the ship industry, and effectively overcoming the shortcomings in the prior art and having high industrial utilization value.

The present disclosure relates to the field of electric power technology, and discloses a user-side energy storage management method and system based on big data. The specific scheme is: when receiving a request instruction for reducing the power load from the power grid side, the first energy consumption demand of the air-conditioning group without the ventilation effect of the surrounding environment and the second energy consumption demand of the air-conditioning group under the ventilation effect of the surrounding environment are predicted for each air-conditioning group of each building on the user side. If the second energy consumption demand is less than the first energy consumption demand, and the difference between the two is greater than the power load required to be reduced by the request instruction, the air-conditioning group is controlled to work in the natural ventilation mode to reduce the power load on the user side.

The PCTC reversible charging and discharging system comprises a power battery of a vehicle, a plurality of charging and discharging ground plugs, a ship power distribution module, a charging mode and a discharging mode. The ship power distribution module comprises a ship power distribution board and a vehicle power distribution board, a power battery of a vehicle is electrically connected with the vehicle power distribution board through a charging and discharging ground plug, and the vehicle power distribution board is further electrically connected with the ship power distribution board. The ship power distribution module further comprises a control unit, and the control unit is used for obtaining the charge state of the power battery through the charge and discharge ground plugs and determining to start a charge mode or a discharge mode according to the charge state. When the charging mode is started, the power battery charges the ship distribution board through the charging and discharging ground plug and the vehicle distribution board; and when the discharging mode is started, the ship distribution board discharges the power battery of the vehicle through the vehicle distribution board and the charging and discharging ground plug. By means of the system, the power battery of the vehicle serves as ship charging power, charging and discharging between the vehicle and the ship are achieved, cost is reduced, and energy conservation and emission reduction are achieved.

The application discloses a high-temperature shale gas long horizontal well drilling temperature control system and method, and belongs to the technical field of drilling engineering. The system comprises a drilling tool assembly, a ground cooling device, a top drive, a mud pump, a solid control device and the like. The drilling tool assembly comprises a rotary steering tool, a screw motor and a drill pipe. Meanwhile, the application also discloses a high-temperature shale gas long horizontal well drilling temperature control method. The application adopts theoretical analysis and fitting methods combined with field test data to simulate the bottom hole circulating temperature of the drilling fluid. By adjusting the drilling fluid density, the mud pump displacement, the drilling tool assembly and the number of revolutions of the drilling tool assembly, the application simulates and observes the influence of different parameters on the bottom hole circulating temperature of the drilling fluid, thereby providing a reference basis for optimizing the field construction parameters of deep high-temperature drilling.

The application discloses a building load control method based on phase change energy storage, wherein at least part of rooms in the building are air-conditioned rooms, and a cold storage structure is arranged on the top of the air-conditioned room; the control method comprises the following steps: determining indoor temperature according to real-time electricity price and building load; when the real-time electricity price is in a first period, controlling the air conditioner to provide cold energy for the air-conditioned room according to the indoor temperature and controlling the air conditioner to provide cold energy for the cold storage structure based on the indoor temperature; and when the real-time electricity price is in a second period, controlling the air conditioner and the cold storage structure to synchronously provide cold energy for the air-conditioned room based on the indoor temperature. By adopting the cold storage structure and the air conditioner synchronous instruction, the use of valley electricity and flat electricity is increased, and the use of peak electricity and peak electricity is reduced, so that the building electricity cost is reduced, the building power load in the period of peak electricity and the period of peak electricity is reduced, the peak load is filled with valley electricity, and the summer electricity pressure is relieved.

The utility model relates to a power integration system and a power utilization system. The power integration system comprises a connecting copper bar, a power distribution subsystem, a power storage subsystem and a fireproof partition wall, wherein the connecting copper bar is used for being electrically connected with an external power grid; the power distribution subsystem is electrically connected with the connecting copper bar so as to distribute electric energy input by an external power grid to external electric equipment to supply power to the electric equipment; the power storage subsystem, the connecting copper bar and the power distribution subsystem are sequentially connected in series, and the power storage subsystem comprises an energy storage device which is used for storing electric energy and supplying power to the power distribution subsystem; the fireproof partition wall is arranged between the power distribution subsystem and the power storage subsystem and used for partitioning the power storage subsystem and the power distribution subsystem. The electric power integration system has a high energy utilization rate and an energy-saving effect, can realize ontology power storage, and can perform efficient power distribution on external electric equipment.

This invention relates to the field of hot water supply equipment technology, and more particularly to a hot water supply system with grid peak-shaving function. It includes a water tank, a liquid storage shell fixedly connected to the water tank, a third pipe connecting the liquid storage shell, a first fixed shell fixedly connected to the water tank, an electric heating rod fixedly connected to the first fixed shell, a rotating ring rotatably mounted on the first fixed shell, a second fixed shell rotatably mounted on the rotating ring, a second circulation pump mounted on a connecting plate of the water tank, a fourth pipe connecting the liquid storage shell and the second circulation pump, a fifth pipe connecting the second fixed shell and the second circulation pump, and a sixth pipe connecting the first fixed shell and the liquid storage shell. This invention uses the liquid storage shell as a transfer storage chamber to prevent the hot water temperature in the water tank from dropping, while the electric heating rod heats water and stores it in the water tank during off-peak electricity usage periods, reducing the electricity load during peak water usage periods.