14results about How to "Achieve coordinated operation" patented technology

The invention provides a cooling tower optimization control method and device of a central air-conditioning system, a terminal and a medium. The method comprises the steps that the wet bulb approximation degree of a cooling tower and the comprehensive energy efficiency of the central air-conditioning system in the current environment are obtained; according to the wet bulb approximation degree, determining a corresponding to-be-optimized control strategy of the cooling tower when the power consumption value of the cooling tower is the lowest; and the control strategy to be optimized is optimized by adjusting the modulation coefficient of the cooling tower model and the interaction information of the cooling tower and the adjacent cooling tower, and the optimized control strategy is executed so that the comprehensive energy efficiency of the central air conditioning system at the current moment can be maintained to be larger than or equal to the comprehensive energy efficiency at the previous moment. The wet bulb approximation degree is calculated by considering the influence of the air relative humidity, the wind speed synergistic effect and the dynamic change of the cooling tower load rate on the wet bulb temperature, the control strategy is determined, and the control strategy is further optimized and executed by modulating the interaction information of the cooling tower model and the parallel cooling towers. Therefore, the comprehensive energy efficiency of the central air-conditioning system is improved and maintained.

The invention relates to an underground coal mine gas circulation pumping drainage device, and belongs to the field of coal mine gas drainage. The device comprises a fan module, a motor driving module, a belt transmission module, a guide moving module, a gas collection tank module and an installation adjusting module. The fan module is fixedly installed on one side of the box body, and the motor driving module is fixedly installed on the box body and comprises a motor and a rotating rod connected to the corresponding position of the motor; the belt transmission module is fixedly connected to the rotating rod and comprises a driving belt wheel and a transmission belt. The guide moving module is fixedly connected into the box body; the gas collection box module is fixedly connected to the bottom end in the box body and comprises a gas collection box and a round pipe; the installation adjusting module is fixedly connected to the side wall of the box body. By optimizing the design of the spraying system, the two atomizing nozzles can reciprocate up and down and left and right during spraying, and the contact area and the contact uniformity of water mist and gas are improved, so that the filtering quality and the filtering efficiency of the gas are remarkably improved.

The utility model discloses an automatic grabbing mechanism of a pneumatic clamping jaw for round pieces, which relates to the technical field of pneumatic clamping jaws and comprises a control body, a first cylinder is mounted on one side of the bottom end of the control body, a grabbing mechanism is mounted at the output end of the first cylinder, and an inner supporting mechanism is mounted on the inner side of the grabbing mechanism. Synchronous movement of the movable block and the driving rod is effectively driven through the movable rod, coordinated operation of the clamping system is achieved, meanwhile, the inner supporting mechanism accurately controls the position of the inner supporting block through the movable frame and the second transmission rod, stable supporting is provided from the inner side of a workpiece, and the working efficiency is improved. By means of the internal and external cooperative clamping mode, the firmness and stability of positioning grabbing are remarkably improved, the accuracy of the feeding and discharging process is ensured, and damage and displacement of workpieces are effectively prevented.

The utility model provides a high-strength modularized steel structure supporting frame which comprises a supporting stand column, a butt joint module, an extending stand column, a cross beam installation module and a steel structure cross beam, the butt joint module is fixedly installed on the top of the supporting stand column, and the extending stand column is fixedly installed above the butt joint module. The cross beam mounting module is fixedly mounted on the outer side of the butt joint module; the steel structure cross beam is fixedly mounted at the outer end of the cross beam mounting module; the butt joint module and the beam installation module are arranged, the installation module is arranged, the installation process is simple and rapid, adjustment can be conducted, and the installation position of the steel structure can be adjusted according to needs.

The invention relates to the technical field of aeration equipment, and particularly discloses an aeration device for environmental engineering sewage treatment, which comprises: a frame, two ends of which are respectively provided with an edge fixing plate; the air inlet mechanism is arranged at the top end of the frame and extends to the inner side of the frame; the multiple rotating shafts are rotationally arranged on the inner side of the frame; the driving motor is mounted on the inner side of the frame and is connected with the end part of one rotating shaft; the linkage assembly is arranged on the plurality of rotating shafts; the eccentric gear is matched with the rotating disc, and the meshing column is meshed with the clamping teeth, so that the aeration pipe can rotate while reciprocating in the vertical direction, and the aeration area and uniformity are increased; the oxygen transmission efficiency in the sewage treatment process is improved, the aeration effect is enhanced, the energy consumption is reduced, the maintenance is simplified, and the adaptability and the flexibility of the device are improved.

The invention relates to the field of machining and detection equipment, in particular to multi-axis linkage machining detection equipment. In order to solve the problem that the intermittent stop time of equipment operation needs to be determined according to the placing efficiency of workers due to the fact that the energy consumed for placing workpieces is large, the equipment comprises a machine base, an operation table and an operation head, the machine base is placed on the ground, a table top adjusting mechanism is arranged on the machine base, the operation table is installed on the table top adjusting mechanism, and the operation head is arranged on the machine base. The working table is adjusted to the position matched with the working head through the table top adjusting mechanism. The operation head is installed on the machine base in an inverted suspension mode so as to machine or detect a workpiece on the operation table. The method has the effect of reducing the influence of manual work on the intermittent stopping time of equipment operation.

This invention relates to the field of power supply in highway tunnels, specifically a digital twin method for controlling the power supply of photovoltaic-storage systems in both normal and emergency situations. It includes: constructing a digital twin model of the tunnel power system and synchronizing the real-time operating status of the AC system, DC system, wireless charging system, and energy storage units; executing a control mode algorithm based on the digital twin model, including a normal operating mode and an emergency power supply mode; in the normal operating mode, optimizing the scheduling of the AC, DC systems, and energy storage with the goals of maximizing operational economy, power supply reliability, and renewable energy absorption; in the emergency mode, monitoring the grid status in real time and immediately switching to the emergency mode upon interruption, prioritizing energy storage and photovoltaic power supply for critical loads. This invention achieves state perception and optimized control through digital twins, improving photovoltaic absorption and economic efficiency during normal operation and extending the power supply time for critical loads in emergencies, making it suitable for intelligent power supply scenarios in highway tunnels.

The utility model discloses compound microorganism treatment VOCS (volatile organic compounds) treatment equipment which comprises a box body, an air pump and a controller are arranged on the outer surface of the front side of the box body, an air inlet pipe and an air outlet pipe are fixedly connected to the outer surfaces of the two sides of the box body respectively, a cover plate is in threaded connection with the upper surface of the box body, and a lamp panel is arranged at the bottom end of the cover plate. A plurality of heating pipes are arranged in the box body, the heating pipes are fixedly connected to the two sides of the inner wall of the box body, filler is arranged on the lower portion in the box body, a detector is arranged on one side of the inner wall of the box body, a valve is arranged on an air inlet pipe, an electric actuator is arranged above the valve, an air inlet is formed in the end, away from the box body, of the air inlet pipe, and an air outlet is formed in the other end of the air inlet pipe. A fan is arranged on the air outlet pipe, and an air outlet is formed in the end, away from the box body, of the air outlet pipe. By means of the structure, the degradation efficiency of VOCs can be improved, the controller controls the operation of the equipment and monitors the treatment process, and the intelligent degree and the automation degree of the equipment are improved.

The application discloses a sewage treatment system and method, which comprises a coagulation tank, a flocculation tank and a sedimentation tank. The coagulation tank, the flocculation tank and the sedimentation tank are sequentially communicated along the sewage flow direction. In addition, part of the sediment in the sedimentation tank returns to the flocculation tank. The system further comprises a control module, which comprises a carrier control module, the carrier control module adjusts the amount of circulating carriers and the amount of external carriers in the sediment returned by the sedimentation tank to the flocculation tank by monitoring the first actual carrier density in the coagulation tank and the water quantity and water quality of the water inlet end, so that the carrier density in the flocculation tank is kept within a first preset range; and a dosing control module, the dosing control module adjusts the dosing amount added to the coagulation tank and the flocculation tank by monitoring the second actual carrier density of the flocculation tank and combining the water quantity and water quality of the water inlet end. The sewage treatment system and method of the embodiment of the application improve the efficiency of sewage treatment and the water quality by coordinating the sewage treatment equipment.

The invention discloses a wind power electric power system optimization operation method based on cloud edge collaboration and a related device, and belongs to the technical field of electric power system operation scheduling. The method comprises the following steps of: establishing an upper cloud regulation and control model by taking the minimum total operation cost in a day-ahead scheduling operation period as an objective function and taking power balance constraint, transmission capacity constraint, thermal power generating unit output constraint and energy storage constraint as constraint conditions; establishing a lower-layer side node model by taking the lowest wind curtailment penalty cost as an objective function and taking the output constraint of the wind turbine generator as a constraint condition; and solving the upper-layer cloud regulation and control model and the lower-layer edge node model to obtain a cloud-edge collaborative double-layer distributed optimization operation scheme. According to the scheduling method provided by the invention, the uncertainty of wind power generation can be effectively handled, the coping cost of the system is reduced, and the economical efficiency is improved; according to the invention, collaborative optimization of wind power output of edge nodes and charging and discharging of energy storage equipment can be realized, economical efficiency of operation of an interconnection system is realized, and privacy of data transmission can be ensured.

The utility model discloses an agricultural fertilizer stirring device capable of uniformly stirring, which comprises a tank body, and a stirring component, a scraping component and a dispersing component which are coaxially matched are assembled in the tank body. The stirring assembly is composed of a stirring shaft and a stirring paddle, and the stirring shaft is vertically installed in the tank body. The scraping assembly comprises an inner sleeve and a scraping plate, and the scraping plate is tightly attached to the inner wall of the tank body and arranged on the periphery of the stirring paddle. The material dispersing assembly comprises an outer sleeve and a material dispersing paddle, and the material dispersing paddle is arranged on the top of the stirring paddle and the scraping plate. In addition, a driving assembly is assembled at the top of the tank body and is in power connection with the stirring assembly and the scraping assembly. The stirring device realizes excellent stirring uniformity and high stirring efficiency, is easy to maintain, and has important significance on agricultural fertilizer production.

A front main power station and a rear main power station are arranged on a ship, the front main power station and the rear main power station are each provided with a medium-voltage main distribution board, the rated voltage of the medium-voltage main distribution boards is AC6.6 kV, and the medium-voltage main distribution boards are used for supplying power to an electric propulsion device, a side thrust motor and a lower-level auxiliary power grid; the auxiliary power grid comprises two voltage levels of AC400V and AC230V, and the medium-voltage main distribution board is subjected to voltage reduction through an AC6.6 kV / AC400V transformer to supply power; the micro-grid comprises an AC400V and AC230V two-stage power distribution system, and is provided with a micro-grid power distribution board, a point of common connection (PCC), a wind power generation device, a photovoltaic power generation device, a bidirectional energy storage system and an AC400V / AC230V transformer; the micro-grid and the auxiliary power grid operate in a grid-connected mode under the normal working condition, and operation mode switching is achieved when the main power station or the micro-grid breaks down. The invention provides a micro-grid-containing double-power-station ship integrated power system architecture and an operation mode thereof, and coordinated operation of a double-power-station integrated power system and a micro-grid is realized.

The present invention provides a distribution network load prediction and power balance optimization method and system based on big data, which relates to the field of electric power technology, including obtaining various types of data affecting the distribution network load, building a load prediction model for the distribution network, and using the trained load prediction model to obtain the load prediction curve of each node in the distribution network in the future period of time; taking minimizing network loss and voltage deviation as the optimization goal, and taking node voltage qualification and line power not overloaded as the constraint conditions, establishing a distribution network optimization scheduling model and a multi-time scale coordinated optimization model; designing a two-stage solution strategy for the established distribution network optimization scheduling model and the multi-time scale coordinated optimization model; integrating the optimization results of the two stages to form an intelligent scheduling plan for the distribution network.

The present invention discloses a system for collecting, purifying and reusing rainwater at a dock, and relates to the technical field of collecting and reusing initial rainwater at a dock. The system consists of a vortex sand settling rainwater well, a rainwater garden and a recycling unit; the vortex sand settling rainwater well consists of a rainwater well body, a water inlet pipe, a sponge concrete water delivery channel and an overflow pipe; the sponge concrete water delivery channel is built with sponge concrete; the rainwater garden consists of a planting layer, a medium layer and a drainage layer from top to bottom; multi-layer immobilized small balls of composite bacteria are evenly distributed inside the medium layer; the recycling unit consists of an underground water collection tank and a recycling pump. The rainwater purified by the rainwater garden is collected by the underground water collection tank, and transported to dock water points such as yard water points, road water points, green belt water points and living area water points through the recycling pump. The present invention can effectively collect rainwater on the bulk cargo dock surface, increase the infiltration rate of rainwater, reduce the rainwater runoff, and improve the rainwater quality. It can be directly used as water for flushing the dock surface, reducing rainwater runoff pollution and saving water resources. It has the advantages of simple and compact structure, low operating cost, easy control, high rainwater reuse rate, and environmental friendliness.