35results about How to "Reduce operating load" patented technology

The invention discloses a method for producing marine fuel oil. The method comprises the following steps: a residual oil raw material and hydrogen sequentially enter a first hydrotreating reactor to an (N-1)-th hydrotreating reactor for reaction, an obtained product, solid-removed oil slurry and optional catalytic diesel oil enter an Nth hydrotreating reactor to be in contact with a hydrogenation catalyst for reaction, and hydrogenated diesel oil and hydrogenated heavy oil are obtained, wherein a portion of the hydrogenated diesel oil is used as a first hydrotreating reactor feed; one part of the hydrogenated heavy oil enters a catalytic cracking unit for reaction to obtain catalytic diesel oil and catalytic slurry oil; and blending the obtained hydrogenated heavy oil with optional solid-removed oil slurry, optional catalytic diesel oil and optional hydrogenated diesel oil to prepare the marine fuel oil. According to the method disclosed by the invention, high-quality ship fuel which is low in cost and can meet indexes can be produced, and the problems that the overall utilization efficiency of a catalyst is low and the operation period of a device is restricted due to the fact that solid-removed oil slurry, catalytic diesel oil and the like are conventionally mixed at the inlet of the first reactor can be solved.

The application discloses an alkylation device with a circulating refrigerant impurity removal function, which comprises an alkali washing assembly, a water washing assembly, a depropanizing tower and a deisobutane tower; the alkali washing assembly and the water washing assembly are connected in series on a circulating refrigerant feeding conveying pipe; a water washing assembly discharge port is in pipeline communication with a depropanizing tower feeding inlet; and a depropanizing tower lower discharge port is in pipeline communication with a deisobutane tower feeding inlet. The device can remove SO2, sulfides such as mercaptans and free water in the circulating refrigerant of the alkylation device, thereby effectively reducing the plugging frequency of the depropanizing tower, improving the propane removal efficiency of the alkylation device system, avoiding the increase of the content of propane in the system, maintaining a better alkylene ratio in the circulating material and improving the quality of the obtained isooctane product.

The application relates to the technical field of compound fertilizer production, in particular to a roller inoculating machine for compound fertilizer production and processing and a processing technology thereof, which comprises the roller inoculating machine, the rear side of the roller inoculating machine is fixedly connected with a material pre-processing mechanism, and the front side of the material pre-processing mechanism is fixedly connected with a crushing mechanism. The pre-dispersion crushing mechanism is arranged, pre-extrusion crushing of caked raw materials is synchronously completed in the process of quantitative feeding, the caked raw materials stuck in the inverted convex filter plate mesh hole can be fully extruded by the extrusion plate matched with the extrusion frame, and only the finely crushed raw materials which have completed pre-dispersion can fall through the filter plate mesh hole and enter the next process, so that the probability of large-volume caking entering the crushing mechanism is reduced from the source, the operation load of the subsequent crushing mechanism is effectively reduced, equipment wear is reduced, energy consumption is reduced, and the service life of the equipment is prolonged. The quantitative weighing and feeding structure is arranged, and quantitative uniform feeding of the compound fertilizer raw materials is realized.

The application relates to a middle air inlet type household convenient drying machine, air inlets are arranged in the middle part of the machine body, and other non-core pneumatic components such as control panels are arranged outside the fluid channel, the path from air suction to air exhaust forms a more short and straight, smooth and efficient airflow air duct, airflow loss is maximally reduced, air speed and air volume are obviously improved, the pneumatic performance and drying efficiency of the drying machine are improved, and working time is shortened. Meanwhile, due to the smooth air duct design, airflow can pass in a more smooth laminar flow state, noise generated due to impact and turbulence is reduced, a more quiet use experience is provided for users, due to the reduced air duct resistance, the running load of the motor is smaller, energy is saved, the service life of the drying agent is prolonged, meanwhile, the compact structure of the household drying machine is maintained, and a more comfortable use experience is brought to users.

The invention discloses an aeration pipe mounting structure for a biochemical pool, which comprises an aeration pipe assembly and an air distribution pipe, the air distribution pipe is sleeved with at least one aeration pipe connector, the aeration pipe connector is connected with one end part of at least one aeration pipe assembly, and the other end part of at least one aeration pipe assembly is connected with the aeration pipe assembly. The other end of the aeration pipe assembly is connected with the bottom of the biochemical pool through a bottom connecting piece, the aeration pipe connector comprises an air distribution pipe, a threaded end head and a tail cover, the threaded end head and the tail cover are axially arranged at the two ends of the air distribution pipe respectively, and a poly-plastic microporous pipe coaxial with the air distribution pipe is arranged between the threaded end head and the tail cover. Sealing pieces are arranged between the two ends of the poly-plastic microporous pipe and the threaded end and between the two ends of the poly-plastic microporous pipe and the tail cover, the threaded end is used for being connected with an aerator pipe connector, and the tail cover is used for being connected with a bottom connecting piece. The aerator pipe mounting structure can solve the problems that an existing aerator pipe mounting structure is short in service life, prone to falling off, high in construction cost and low in efficiency.

This application discloses a device management method and an electronic device, relating to the field of computer technology. The device management method includes enabling the configuration parameters to be applied to the hardware parameter layer without requiring a configuration file layer or device restart when the storage protection function is switched to an enabled state. This reduces the need to restart the electronic device when enabling the storage protection function. Furthermore, it retains default parameters from the configuration file, so that when the storage protection function is disabled and the electronic device is restarted, the hardware parameter layer configuration can be restored using these default parameters, further reducing the restart frequency of the electronic device. This solves the technical problem of requiring the restart of the electronic device during storage management, achieving the technical effect of reducing the restart frequency of the electronic device to improve the business sustainability of the electronic device, thereby improving the performance of the electronic device.

The invention relates to the technical field of alternative fuel flying dust disposal, and discloses an alternative fuel dust collection system which comprises an air suction cover, the air suction cover is arranged above an equipment flying dust point in a covering mode, and a filtering assembly is arranged in the air suction cover in the airflow direction and used for adsorbing and filtering fiber dust; the air inlet end of the dust collector is connected with the air outlet of the air suction cover, and a first-stage filtering chamber and a second-stage filtering chamber which are transversely arranged side by side and are communicated with each other are arranged in the dust collector; and the exhaust fan is connected with the outlet end of the dust collector and is used for driving the dust-containing airflow to be discharged from the outlet end of the dust collector after being filtered by the air suction cover and the dust collector in sequence. The alternative fuel dust collection system can effectively filter sheet-shaped and strip-shaped large-particle dust and flying catkins at an alternative fuel dust raising point, and the operation load of downstream dust collection equipment is effectively reduced.

The utility model relates to the technical field of particle extrusion forming, particularly to a biomass particle extrusion forming device, which is provided with a turnover mechanism connected in the middle and cooperates with a vibrating mechanism to discharge materials, reduces the running load, improves the discharging efficiency, increases the reliability, and comprises an outer frame, an extrusion oil cylinder, a telescopic rod, an extrusion die, a turnover drive motor, a speed reducer, a synchronous shaft, a rotation constraint sleeve, an outer frame two, a connecting spring, a press groove frame and a vibration source, the top middle part of the outer frame is connected with the bottom side of the extrusion oil cylinder, the output end of the extrusion oil cylinder is vertically and slidingly connected with the outer side of the telescopic rod, the output end of the speed reducer is connected with the outer end of the left synchronous shaft, another group of synchronous shafts are rotationally connected with the right middle side in the inner part of the outer frame through the rotation constraint sleeve, the two groups of synchronous shafts are coaxially connected in the middle part of the left and right sides of the outer frame two, the inner side of the outer frame two is connected with the outer side of the press groove frame through a plurality of groups of connecting springs, the vibration source is arranged in the middle part of the bottom side of the press groove frame, and an auxiliary fixing mechanism is further arranged between the press groove frame and the outer frame.

The application provides an automatic reconstruction method and device of a flight parameter sensor, comprising the following steps: step 1, acquiring sensor data of the same flight parameter and confidence of each sensor; step 2, acquiring a reference value of the flight parameter according to the sensor data and the corresponding confidence; step 3, judging validity of the sensor data according to the reference value of the flight parameter; the validity includes invalid, valid and pending; step 4, when the validity of the sensor data is invalid, setting the confidence of the sensor as 0; when the validity of the sensor data is pending, sending a prompt information to the pilot, and setting the confidence of the sensor as 0 when a shielding instruction input by the pilot is received. The sensor automatic reconstruction method provided by the application can effectively identify a faulty sensor, correctly select a normal sensor to provide a flight parameter to the pilot, effectively reduce the operation load of the pilot and improve the flight safety.

This invention relates to the field of silica gel recycling technology, and discloses a crushing device and recycling method for recycling waste silica silica gel. The crushing device for recycling waste silica silica gel includes a support frame and a twin-shaft crusher. A mixing mechanism is provided on the upper part of the support frame for mixing silica gel and lubricating powder. The mixing mechanism includes a mixing chamber, which is fixedly connected to the upper part of the support frame. A feed inlet is fixedly connected to the side of the mixing chamber away from the twin-shaft crusher. Multiple rollers are rotatably connected inside the mixing chamber. This invention uses the mixing mechanism to evenly coat the strip-shaped waste silica gel with lubricating powder, thereby reducing the adhesion and accumulation of silica gel on the surface of the moving blades of the twin-shaft crusher due to softening and high viscosity. This not only reduces the operating load of the motor and avoids the risk of motor overheating, tripping, or burning out, but also maintains the sharpness of the moving blade teeth, ensuring stable shearing and tearing effects and preventing excessive compression and clumping of materials.

The application discloses a 3D printing robot crawler device with an automatic tensioning mechanism and belongs to the technical field of 3D printing robots. The application comprises a chassis rack for bearing a 3D printing robot, two first fixing plates fixedly connected to the side walls of the two sides of the chassis rack, four symmetrically arranged driving wheels rotatably connected to the first fixing plates and symmetrically arranged on the left and right sides, a crawler body sleeved on the driving wheels, a tensioning assembly installed on the first fixing plates and used for tensioning the crawler body, and a cleaning assembly installed on the bottom of the chassis rack. The crawler can automatically adjust the tightness when running on a concave-convex road surface, avoids derailment and deviation during turning, buffers the impact force of road bumps, reduces the shaking of the 3D printing equipment above, reduces the shaking of the printing nozzle, avoids the mispositioning of the printing wall body and the poor formation of the printing wall body, and does not need manual adjustment of the tightness of the crawler.

This application belongs to the field of industrial control technology and relates to a method for incremental downloading user programs based on a control system, and a control system. The method includes: the control station dividing the incremental target program into data packets of a preset length and sending each data packet to the controller; the controller receiving the data packets and caching the data of each data packet in a backup cache unit in memory; simultaneously verifying each page of user program received in the backup cache unit, and updating the corresponding user program in flash memory based on each page of user program after successful verification; wherein the storage space for each user program in flash memory consists of a preset number of page storage units, and each page of user program is updated using a page-aligned storage unit method. This method, without expanding the controller's flash memory storage space, ensures flash memory space utilization, improves the efficiency of incremental downloading user programs, reduces flash memory wear, and extends the controller's lifespan.

The present application relates to a kind of nuclear power plant airborne radioactive containment ventilation device and group control method, process function piece includes fresh air treatment function piece, air supply and exhaust and negative pressure regulation function piece and purification function piece, fresh air treatment function piece, air supply and exhaust and negative pressure regulation function piece and purification function piece are sequentially connected by pipeline, control piece includes global group control module, fresh air treatment group control module, air supply and exhaust and negative pressure regulation group control module, purification group control module.The nuclear power plant airborne radioactive containment ventilation device and group control method of the present application can make operator only need to send a small amount of simple control instruction by global group control module, realize the function control of each component, realize the automatic operation regulation of ventilation system under different conditions, system one-key start-stop function, can greatly improve the automation level of ventilation system, reduce operator operation load, reduce human error risk, simplify ventilation system control design.

This application discloses a pattern display method, apparatus, electronic device, and storage medium, belonging to the field of artificial intelligence technology. The method may include receiving a first input, wherein the first input is an input of a user drawing a trajectory, when displaying a first pattern; and displaying at least one drawing intention pattern in response to the first input; wherein the at least one drawing intention pattern is determined based on a second pattern and reference information, the second pattern being composed of an incremental trajectory corresponding to the first input and the first pattern; the reference information includes at least one of the following: user chat history, note information; the incremental trajectory includes the trajectory drawn by the user.

The application discloses an intelligent diagnosis auxiliary system based on a medical knowledge graph and belongs to the medical diagnosis field. In order to solve the problem that a traditional medical diagnosis system is difficult to integrate information, a large amount of medical information is wasted, effective auxiliary diagnosis cannot be performed, the diagnosis efficiency is low, effective intelligent triage prediction cannot be performed, the patients are easily caused to have a burden of diagnosis, the hospital is easily caused to have a burden of operation, the work efficiency is low, corresponding diagnosis results cannot be given in time and quickly, and the diagnosis accuracy is influenced. The existing medical data island problem is overcome, the intelligent auxiliary diagnosis of common diseases is realized, the diagnosis efficiency is improved, the doctors are provided with high-credibility auxiliary diagnosis, the intelligent triage prediction is realized, the probability of wrong triage is reduced, the patients are provided with efficient and convenient pre-diagnosis consultation, the burden of the patients and the operation load of the hospital are reduced, the diagnosis accuracy of the diagnosis auxiliary system for comprehensive data analysis of patient information is gradually improved through human error correction.

This invention relates to an intelligent operation and maintenance method and device for an adaptive material suction system, comprising: Step 1, configuring the hardware of the material suction system; Step 2, adaptive material suction time parameters; Step 3, adaptive material cleaning time parameters; Step 4, self-diagnosis of material suction pump failure, pressure sensor failure, and pipe breakage in the front pipeline; Step 5, self-maintenance of material jamming on the material suction sealing plate, and self-diagnosis of material shortage and pipe breakage in the rear pipeline; Step 6, self-maintenance of filter element clogging by spray cleaning, and self-diagnosis of cleaning the filter barrel and replacing the filter element. This invention solves the high-frequency industry problem of "material suction failure" by adapting key parameters of the material suction and cleaning system, intelligent operation and maintenance of cleaning the material suction sealing plate and filter element clogging, and self-diagnosis of multiple faults such as the material suction pump, pressure sensor, and pipe breakage. It achieves zero user experience and zero operational requirements, extends the service life of core components such as the material suction pump, pipelines, and filter elements, reduces operating costs, and increases material suction capacity.

The utility model discloses an auxiliary combustion device of a roasting furnace, and belongs to the technical field of roasting furnace heating. An auxiliary combustion device of a roasting furnace comprises a main body frame and a heat reflecting plate arranged outside the main body frame, a plurality of combustion nozzles and a plurality of heating rods are arranged on the main body frame, a gas conveying pipeline is arranged on the main body frame and connected with the combustion nozzles, an air blower is further arranged on the main body frame, and the heating rods are connected with the air blower. An air conveying pipeline is arranged between the air blower and the burner; fixing devices are arranged between the plurality of heating rods and the main body frame; according to the utility model, the heating uniformity of the whole combustion heat compensation can be effectively improved, the operation load of the heating rod can be reduced, so that the aging speed of the heating rod is reduced, the heating rod can be disassembled and assembled more conveniently, quickly and easily, the clamping firmness is ensured, and the protection pad not only can prevent the heating rod from being damaged during clamping, but also can prevent the heating rod from being damaged during clamping. And a certain damping effect can be achieved, and a good protection effect on the heating rod is achieved.

This invention relates to the field of medical device technology, and more particularly to a deep brain electrode implantation path planning system integrating dynamic navigation and force feedback. The system includes: a power supply module, a multimodal image detection and preprocessing unit module, an intelligent path planning and dynamic navigation control module, a force feedback execution and electrode implantation module, and an electrophysiological verification and human-computer interaction module. The power supply module supplies power to each module. The multimodal image detection and preprocessing unit module is used to acquire and preprocess multimodal images to construct a three-dimensional brain anatomical model. The intelligent path planning and dynamic navigation control module is used to generate the optimal implantation path and compensate for intraoperative brain displacement deviation in real time. The force feedback execution and electrode implantation module is used to acquire brain tissue mechanical signals. In this invention, dynamic navigation and brain displacement compensation technology improve electrode implantation accuracy, and the triple target confirmation mechanism enhances target implantation accuracy and significantly reduces surgical revision rate.

The invention relates to the field of fermentation, and discloses a full-automatic stainless steel fermentation tank which comprises a tank body, an outer cavity, an inner cavity, a stirring structure, an inner pushing centering structure and a magnetomotive reset structure, the outer cavity is formed by connecting a first cavity pipe section and a second cavity pipe section, and a peripheral cavity is formed between the outer wall of the outer cavity and the inner wall of the tank body; a standing cavity is formed between the outer wall of the inner cavity and the inner wall of the first cavity pipe section, and a material fermentation cavity is formed inside the second cavity pipe section and the inner cavity; the inner presumption centering structure forms at least three supporting points on the periphery of the inner cavity and synchronously applies thrust to the inner cavity at the supporting points, and the magnetomotive reset structure drives the inner cavity to move in the direction close to the inner wall of the first cavity pipe section under the action of magnetic force when the thrust of the inner presumption centering structure to the inner cavity is relieved. Through the partitioned structural design of the inner cavity and the outer cavity, the independent standing cavity and the independent material fermentation cavity are constructed, parallel operation of the standing process and the stirring fermentation process is achieved, the fermentation continuity is guaranteed, and the overall fermentation efficiency is improved.

The invention provides an electronic-grade PGMEA purification method and system, and the method comprises the following steps: taking propylene glycol monomethyl ether and acetic acid as raw materials, taking concentrated sulfuric acid as a catalyst, adding a water-carrying agent, and carrying out one-step esterification reaction, reduced pressure distillation and normal pressure rectification to obtain industrial-grade PGMEA; industrial-grade PGMEA is sequentially subjected to dehydration treatment, microfiltration treatment, light component removal rectification treatment, heavy component removal rectification treatment, ion removal treatment and nanofiltration treatment, and the electronic-grade PGMEA is obtained. The system comprises a synthesis unit and a purification unit which are sequentially connected, the synthesis unit comprises a reaction device, a reduced pressure distillation device and a normal pressure rectification device, and the purification unit comprises a dehydration module, a microfiltration module, a rectification device, an ion removal module and a nanofiltration module. Through multi-stage collaborative purification and process optimization, the product quality is ensured, the production cost is reduced, green production is realized, and the method is suitable for industrial popularization.

The invention relates to the technical field of high-pressure ball pressing machines, in particular to a high-pressure ball pressing machine for slag stopping ball production, which comprises a case, a blanking hopper fixedly communicated with the upper part of the case, two compression rollers arranged in the case, a roller shaft arranged at the axis of each compression roller, and an overweight body hung on the roller shaft, the two pressing rollers rotate oppositely, then the two opposite hemispherical pressing shells get close to a clamped material, slag stopping balls are rapidly produced and manufactured, the two pressing rollers rotate oppositely, the two pressing rollers rotate oppositely, the two opposite hemispherical pressing shells are made to be close to the clamped material, and therefore the slag stopping balls can be rapidly produced and manufactured, and the production efficiency is improved. The mode that in the prior art, a semi-spherical pressing shell waits for materials to flow in is not adopted, the semi-spherical pressing shell actively shovels and digs the materials, in this way, the materials with the enough density are loaded into the semi-spherical pressing shell, and the produced slag stopping ball has the enough hardness.

The utility model discloses a refrigerating system capable of adjusting refrigerating capacity, which comprises a refrigerating unit, and a thermal load reduction component is fixedly connected to the right side wall of the refrigerating unit. The refrigerating unit comprises a bottom plate and a condenser fixedly connected to the front side of the upper surface of the bottom plate. By means of the refrigerating circuit design that the inverter compressor and the capillary copper pipe are connected with all components, cooling fans at the two ends of the condenser and the evaporator are matched, the refrigerating capacity and the fan rotating speed can be dynamically adjusted according to the environment thermal load, and balance of energy consumption and refrigerating efficiency is achieved. In the heat load reducing assembly, an atomizing nozzle converts cooling water into micron-sized water mist to be sprayed to the rear side of an evaporator, the waste heat of equipment is rapidly absorbed through latent heat of vaporization of the water mist, the operation load of the evaporator is remarkably reduced, a water tank liquid level sensor is matched with a water inlet port electromagnetic valve to achieve automatic water supplementing, and the continuous operation stability of the system is guaranteed. The overall structure is high in integration level, modular design is convenient to maintain, and the requirements for efficient refrigeration, energy conservation and consumption reduction are met.

The utility model discloses a mutually-buckled type efficient spoiler rod of a drying cylinder, which relates to the technical field of papermaking machinery and comprises a spoiler rod made of stainless steel U-shaped cold-bending equilateral channel steel and a support ring, the turbulent flow bars are evenly distributed in the circumferential direction of the drying cylinder, and the supporting rings are evenly distributed in the transverse direction of the drying cylinder. Wherein the spoiler rod and the supporting ring are provided with positioning clamping grooves respectively, positioning is achieved through mutual meshing of the positioning clamping grooves in the assembling process, and U-shaped groove openings are opposite and form an angle of 90 degrees in the installing process, so that the spoiler rod and the supporting ring are locked in the circumferential direction and the transverse direction of the drying cylinder after being clamped into each other. According to the technical scheme provided by the utility model, the turbulent flow rod and the supporting ring are quickly aligned through the mutual buckling type clamping groove, an additional fixing pin structure is not needed, the installation process is simplified, and the assembly efficiency is improved. And a stainless steel material is adopted, so that the structural strength is ensured, the overall weight is greatly reduced, the required tensile force is remarkably reduced, the operation load is reduced, and the stability and the safety of a system are improved.

The application relates to a vehicle battery health state estimation method and a training method of an estimation model thereof, wherein the training method of the vehicle battery health state estimation model comprises the following steps: obtaining battery data of a vehicle; wherein the battery data comprises first battery data and second battery data; adopting a preset clustering algorithm to cluster the first battery data, so as to divide the first battery data into multiple categories; dividing the vehicle into multiple vehicle groups according to the multiple categories of the first battery data; for each vehicle group in the multiple vehicle groups, training a battery estimation model corresponding to the vehicle group by using the second battery data corresponding to the vehicle group; obtaining the trained battery estimation model of each vehicle group; and the battery estimation model is used for estimating the vehicle battery health state in the corresponding vehicle group. Through the application, the problem that a corresponding battery estimation model is separately configured for each electric vehicle in the related art, which easily causes the problems of excessive system running load and resource waste, is solved.

The utility model discloses a glass mounting structure for facility agriculture glass greenhouse, include: greenhouse main frame, glass mounting frame, glass fixed assembly and heat -insulated glass, glass mounting frame installs greenhouse main frame's outside, heat -insulated glass installs glass mounting frame's outside through glass fixed assembly, wherein, in glass greenhouse main body position, the edge of heat -insulated glass is aligned with the center of glass mounting frame, in glass greenhouse edge position, the heat -insulated glass of glass greenhouse adjacent two sides is connected. The edge of heat -insulated glass is aligned with the center of glass mounting frame in main body position, make the support structure of glass mounting frame be located the stress center of glass edge, avoided the traditional frame direct exposure in the outdoor environment and formed cold heat bridge, in edge position, the heat -insulated glass of adjacent two sides is connected and effectively blocks up the cold heat bridge effect of greenhouse corner, stand etc. edge area, reduce heat loss, reduce the operation of hot water boiler, heat pump etc. heating equipment, and energy consumption cost significantly drops.

This application discloses a device for recovering and deeply purifying vinyl chloride synthesis displacement gas, specifically relating to the field of chemical gas treatment technology. It includes two alkaline scrubbing towers connected in series, with each tower's outlet equipped with a gas-liquid separator. The end pipes of the two series-connected alkaline scrubbing towers are connected to a raw material gas buffer tank. The outlet of the raw material gas buffer tank is connected to an adsorption tower. The outlet of the adsorption tower's desorbed gas is connected to a vacuum pump. The top crude purified gas outlet of the adsorption tower is connected to a purified gas buffer tank. The outlet of the purified gas buffer tank is connected to a heater. A circulating fan for pressurization is installed between the purified gas buffer tank and the heater. The heater's outlet is connected to two dehydrocarbonization towers connected in series. The end pipes of the two series-connected dehydrocarbonization towers are connected to a cooler. Furthermore, the cooler and the adjacent dehydrocarbonization tower are connected by a circulating pipe leading to the inlet of the circulating fan. This application reduces pipeline corrosion and successfully recovers gases such as vinyl chloride and acetylene.

This utility model relates to an urban drainage system, including a separate collection system, a combined collection system, an interception system, and a sewage treatment system. The interception system includes an interception pipe, an overflow pipe, and an interception well. The separate collection system includes a first sewage pipe, a first rainwater pipe, and a sewage trunk line. The first sewage pipe is connected to the sewage treatment system via the sewage trunk line, and the first rainwater pipe is connected to the interception well. The combined collection system includes a combined pipe connected to the interception well. Specifically, it also includes a main sewage trunk line and a second sewage pipe and / or a second rainwater pipe installed in the combined collection system. The main sewage trunk line is connected to the sewage treatment system and the second sewage pipe. The first sewage pipe and / or the sewage trunk line are connected to the main sewage trunk line. The second rainwater pipe is connected to the rainwater discharge area. This utility model can achieve rainwater and sewage separation, low water level operation of the main sewage trunk line, and smooth rainwater drainage, thereby improving the efficiency of the urban drainage system, alleviating urban flooding, and improving water environment quality.

The application discloses a kind of unmanned aerial vehicle cluster target hunting methods based on human-in-the-loop hybrid decision-making.The present application simplifies the regulatory responsibilities of the operator,converts online parameter adjustment into the selection of decision-making tendency preference,significantly reduces the decision-making burden.Meanwhile, the present application divides the group task decision into three stages of search-distribution-execution, and only uses the traditional planning method based on modeling and joint optimization in the first two stages, while using the distributed decision-making method based on MARL in the last execution stage, taking into account the explainability, dynamic adaptability and human-machine collaboration ability of the cluster task decision-making process, effectively improving the execution efficiency and task success rate of the unmanned aerial vehicle cluster in complex task scenarios.

The invention relates to the technical field of lightening heavy aromatics, and discloses a method for preparing BTX aromatics by lightening heavy aromatics for co-producing low-carbon olefins, which comprises the following steps: (1) carrying out selective hydrogenation reaction on C10 and above heavy aromatics raw materials under the action of a metal catalyst and hydrogen, naphthalene components in the heavy aromatic hydrocarbon are converted into tetrahydronaphthalene compounds rich in single aromatic hydrocarbon rings; (2) taking the product obtained in the step (1) as a raw material, carrying out cracking reaction under the action of a solid acid catalyst and inert gas, and removing tetrahydronaphthalene side rings and C10 and above aromatic hydrocarbon side chains; and (3) rectifying and separating the product obtained in the step (2) to obtain a C2-C4 low-carbon olefin product and a BTX aromatic hydrocarbon product. According to the method, BTX can be efficiently obtained, low-carbon olefin can be co-produced, the loss rate of aromatic rings is low, the operation load and the product impurity content of a toluene disproportionation device are effectively reduced, and the economic benefit of an aromatic hydrocarbon device is improved.