31results about How to "Reduce operating consumption" patented technology

The invention discloses a shale oil processing method for producing propylene. The method comprises the following steps of: hydrogenating shale oil, separating shale oil hydrogenation products to obtain gas and liquid reaction oils, and separating the liquid reaction oil into a shale oil hydrogenation light oil and a shale oil hydrogenation heavy oil; introducing the shale oil hydrogenation heavy oil into a first riser reactor for undergoing a catalytic pyrolysis reaction; and introducing a part of or all of the shale oil hydrogenation light oil into a second riser reactor for undergoing a catalytic pyrolysis reaction. The shale oil processing method provided by the invention has high propylene yield.

An on-line detection device setting in exhaust tube for turbine low pressure cylinder is composed of probe, cable and its sealing device, data collection and control device, power and lead. It features that all leads of transducers and wires in probe are connected to cable then led out from low pressure cylinder through cable sealing device to data collection and control device which is composed of hardware of monolithic computer relay, watchdog, etc and software of data analysis, data collection, humidity calculation, etc. The probe heating wire is insulated with aluminium silicate for long term of on-line detection.

The invention relates to a direct-drive type permanent magnet synchronous motor dedicated to mine hoister, which is a driver motor dedicated to large machinery equipment, belonging to the technical field of electromotor. The direct-drive type permanent magnet synchronous motor dedicated to mine hoister provided by the invention can improve driving efficiency of the mine hoisting system, reinforce reliability of system running, reduce maintenance difficulty and dispense with reduction gears. The direct-drive type permanent magnet synchronous motor dedicated to mine hoister comprises a motor shell, a rotor embedded with a permanent magnet is arranged at the center in the motor shell, a stator magnetic core winded with stator winding is arranged at the outside of the rotor, and the stator magnetic core is fixed on the motor shell. The invention is characterized in that the stator winding is connected with a frequency converter by leads.

The invention provides a method and equipment for mounting large-diameter pipelines in a tube well and an application method of the equipment. The method includes: conveying a first pipeline into the tube well through oblique traction, stacking a second pipeline on the first pipeline in a caliber opposite manner, rotating the pipeline, and performing joint welding at the same time. The equipment comprises a rotary base mounted at the bottom of the tube well, an electric hoisting device mounted at the top of the tube well, a hoisting rope and rotary rings mounted in the middle of the pipelines and used for reducing friction force. The application method includes: mounting the rotary base and the electric hoisting device at corresponding positions, using the hoisting rope to guide the first pipeline into the tube well through oblique traction from a first layer, arranging the pipeline on the rotary base, guiding the second pipeline into the tube well through traction, stacking the second pipeline on the first pipeline, setting a welding gun, using the rotary base to allow the pipeline to rotate, and welding the joint of the two pipelines at the same time. The method and equipment has the advantages that the equipment is simple in structure, pipeline cutting is not needed, welding workload is reduced, and welding dead angle of the welding joint is avoided.

The invention discloses a city taxi demand prediction method. The method comprises the following steps: constructing an irregular prediction unit based on taxi historical passenger carrying data, constructing a multi-time slice data set, obtaining a taxi demand prediction data set, obtaining a space influence factor data set, and determining the influence intensity of different space influence factors; adopting a CNN-LSTM-ResNet fusion algorithm, and determining a parallel combination prediction model based on the CNN-LSTM-ResNet; and inputting the passenger carrying data and the space influence factors at the current moment into the parallel combination prediction model to determine the taxi demand of the irregular prediction unit. According to the method, the convolutional neural network is innovatively used for extracting the space influence factors except time, the multi-source space-time big data in the fields of population, nature and the like is selected for space influence factor quantification, and compared with single time sequence prediction, the prediction reasonability and precision are remarkably improved.

The invention discloses an in-series merging arrangement process for two blast furnace ore coke groove systems. The blast furnace ore coke groove systems comprise a blast furnace ore coke groove I, a blast furnace ore coke groove II, a feeding system on the groove, feeding systems below the groove, an ore return system and a coke return system, wherein the blast furnace ore coke groove I and the blast furnace ore coke groove II are in in-series merging arrangement along the straight line direction; and the blast furnace ore coke groove I and the blast furnace ore coke groove II share one set of sharing feeding system on the groove, and the blast furnace ore coke groove I and the blast furnace ore coke groove II are both provided with a set of independent feeding system below the groove. In the in-series merging arrangement process, the ore coke grooves are in in-series merging arrangement, and only one set of the feeding system on the groove, the ore return system and the coke return system is needed; and in the in-series merging arrangement process, the general arrangement is more compact, the floor space is small, each system is more simple, system equipment is less and the investment of civil engineering and equipment is low. Simultaneously, the system failure rate is low, the system operation and maintenance are simple and the production cost is low, pollution sources such as dust, noise and the like are easy to control intensively, and the in-series merging arrangement process has the advantages of energy conservation, environmental protection and the like.

The invention provides a system for spent lye treatment and a treatment method thereof. The system comprises recirculated cooling water unit and a wet-type catalytic oxidation unit, a neutralizing tank unit, an electrolytic oxidation unit, an evaporative crystallization unit and a low-temperature evaporative crystallization unit which are successively connected. The recirculated cooling water unitis respectively connected to the wet-type catalytic oxidation unit, the electrolytic oxidation unit, the evaporative crystallization unit and the low-temperature evaporative crystallization unit. Thesystem has obvious COD removal effect. COD of evaporative crystallization water can be controlled to be less than 100 mg/L. normal and continuous operation of the evaporative crystallization unit isguaranteed, and purity of sodium sulfate salt is also guaranteed. By almost completely converting wastewater into high-quality reuse water and high-quality sodium sulfate salt, the system has a certain economic benefit. According to the system, waste heat generated by oxidation reaction and neutralization reaction is fully recovered and is used as supplementary heat of the evaporative crystallization unit and the low-temperature evaporative crystallization unit. Thus, self-balancing of heat in the whole system can be realized, and operational consumption is greatly reduced.

The invention discloses an electricity-searcher algorithm based on multiple searchers. The heat supply network coordinated operation optimization method comprises the steps that regional electricity-is established; And the heat supply network coordinately operates the mathematical model, and a multi-searcher optimization algorithm is used for managing the thermoelectric energy system in the region, so that the goal of minimum power generation cost of the whole region system is achieved. The multi-searcher optimization algorithm is designed based on the advantages and disadvantages of all heuristic algorithms, and has the advantages of being higher in convergence speed, higher in global convergence and the like compared with a classical moth fire fighting algorithm, a teaching and learningoptimization algorithm and the like.

The invention discloses an automatic feeding device of a charging forming machine. The automatic feeding device comprises a mixed material outlet, a lifting pipeline, a primary negative pressure generating device, a translation pipeline, a secondary negative pressure generating device, a valid particle storage tank, a pneumatic valve and a falling stock bin. The invention further discloses a regulation and control method for the automatic feeding device. The regulation and control method for the automatic feeding device comprises the following steps that the air pressure generated by the primary negative pressure generating device is designed and determined according to the principle that mg>P1S>mg, and the wind speed is calculated and set according to the principle that the kinetic energyis slightly larger than the potential energy; and the air pressure of the secondary negative pressure generating device is designed and determined according to the principle that mg> P2S>m0g. According to the automatic feeding device, particles with three different particle sizes can be separated conveniently, and the consequence that large-particle materials and powder materials are mistakenly added to prepare poor-quality filter sticks can be avoided.

The invention discloses an integrated multi-effect clarification system and a clarification method thereof. The integrated multi-effect clarification system is used for treating wastewater stored in awater collecting tank. The system comprises a lifting pump, a flocculation reaction tank, a flocculation dosing tank, a multi-effect clarification tank and a dehydrator. The clarification method comprises following steps: inputting wastewater in the water collecting tank into the flocculation reaction tank through a wastewater inlet by using the lifting pump, starting an axial flow stirrer, and adding a flocculating agent and/or a coagulant at the same time; starting a hydrocyclone and a mud scraper, so that precipitation water in the multi-effect clarification tank is discharged into the dehydrator and flows back to the water collecting tank after filtering in the dehydrator, and clear water filtered again through an inclined plate group at the top is discharged through a clear water discharge port. According to the system, various technologies beneficial to solid-liquid separation, such as chemical flocculation, mechanical stirring, loading precipitation and inclined tube separation, are highly integrated, high-speed and compact effluent of the multi-effect clarification system is kept, the effluent quality is good, and the multi-effect clarification system has the advantages ofhigh impact resistance and running cost saving, and the flexibility of operation and running is improved.

The invention relates to the technical field of website user request information processing, and in particular discloses a user request information response-based memory allocation method, which comprises the following steps: receiving user request information; acquiring the maximum document number of a web server, and taking 0 to the maximum document number as index numbers of a memory space; allocating an index number to the user request information currently received; and writing the user request information to an address corresponding to the index number in the memory space. The invention also discloses a user request information response-based memory allocation system. The memory space is directly positioned according to the index numbers, the time of searching the memory space is saved, the operation consumption when the system allocates the memory is reduced, and the reduction of system performance caused by repeated application of de-registration of users is avoided.

The invention discloses a card-type certificate printer. The printer comprises a printer body, a printing nozzle moving mechanism, a card feeding mechanism, a card walking mechanism and a control system, wherein the printing nozzle moving mechanism comprises a guide rail arranged on the printer body, a linear displacement mechanism and a printing nozzle assembly; the card walking mechanism is arranged in the printer body and comprises a card input area, a card printing area and a card output area which are sequentially arranged in the moving direction of a to-be-printed card; the card input area comprises a plurality of input conveying assemblies arranged in the moving direction of the to-be-printed card; the card output area comprises a plurality of output conveying assemblies arranged in the moving direction of the to-be-printed card; the input conveying assemblies correspond to an outlet of the card feeding mechanism; and the control system is used for controlling the linear displacement mechanism, the printing nozzle assembly, the input conveying assemblies and the output conveying assemblies to act cooperatively. According to the card-type certificate printer, the problem that a printer needs to place cards manually, so that automatic transmission and printing of the cards cannot be achieved, and large personnel operation consumption is needed is solved.

The invention discloses an active power distribution network coordinated optimization method considering multi-dimensional source network load storage. The method comprises the following steps: S1, constructing an active power distribution network coordinated optimization model Ctotal; and S2, adjusting each parameter value in the active power distribution network coordinated optimization model Ctotal to enable the optimization model Ctotal to obtain a minimum value, taking a parameter set when the optimization model Ctotal obtains the minimum value as a coordinated optimization parameter of the active power distribution network, and performing coordinated optimization on the active power distribution network by using the coordinated optimization parameter. According to the invention, the comprehensive operation consumption of the active power distribution network can be reduced, and multiple goals of improving social benefits and new energy utilization are realized.

The invention belongs to the field of product data management, and relates to a complex PDM system performance optimization design method, which comprises the following steps: decoupling a system deployment structure, separating a close relationship among a user layer, an application service layer and a data layer, so that a user only needs to send corresponding address information when needing some data, and the user can carry out optimization on the data; the data pool finds out the corresponding data packet in the database according to the address information and the database index, and stores the data packet in the data pool, and then a user obtains the data packet according to the address information of the corresponding data packet in the data pool, so that the data transmission of the whole system only needs to transmit and receive data according to the address information; the actual content system in the data packet does not need to be interpreted, so that the response speed and the operation efficiency of the complex PDM system are greatly improved, and meanwhile, the operation consumption is greatly reduced.

The invention discloses a BDO device hydrogen compressor high-pressure oil injection structure which comprises a high-pressure oil injection joint and a high-pressure oil injection pipe. The high-pressure oil injection pipe is made of 1Cr18Ni9Ti stainless steel, the high-pressure oil injection joint is a rigid planar seal joint, and the high-pressure oil injection pipe is welded with the rigid planar seal joint. By transforming an original connecting mode, shutdown maintenance caused by detonation of an oil injection hose and separation of the joint is avoided, unit operation cycle is shortened, and operation consumption is reduced.