12 results about "Water load" patented technology

The invention provides a waterproof device for a movable underwater vibration table and a use method of the waterproof device, and belongs to the technical field of waterproof devices. The device comprises a first type modular waterproof cover plate which is arranged outside a movable underwater vibration table in a surrounding manner and is connected with a foundation; the inflatable waterproof air pillow is arranged between the first type modular waterproof cover plate and the movable underwater vibration table and is used for providing waterproof protection for the movable underwater vibration table; the second type modular waterproof cover plate is connected with the foundation and is used for bearing water body load and transmitting the water body load to the supporting structure; the inflatable waterproof air pillow comprises an upper waterproof layer and a lower waterproof layer, and a closed inflatable space is formed between the upper waterproof layer and the lower waterproof layer. Through the waterproof cover plate in modular design and the inflatable waterproof air pillow with a double-layer waterproof function, reliable waterproof protection is provided for the movable underwater vibration table, meanwhile, the position of the vibration table is flexibly adjusted, different span test requirements are met, disassembly, maintenance and replacement are convenient, and the later maintenance cost is reduced.

The application discloses a cyclone tee for a large-flow single riser drainage system, and mainly solves the problem that the existing cyclone and Sulto of the single riser drainage system cannot effectively apply to large drainage load or high instantaneous flow conditions. The cyclone tee comprises a multi-pass body, a socket for socketing a drainage riser fixed at a top water inlet of the multi-pass body; the multi-pass body comprises an equal-diameter part provided with a transverse water inlet, a reduced-diameter part connected to a bottom position of the equal-diameter part, and a guide plate provided on an inner edge surface of the reduced-diameter part and corresponding to the transverse water inlet and in a spiral shape. Through the combined action of the special structure defined by the tapering spiral flow channel, the single guide plate, the transverse water inlet spiral part, the inclined drainage part and the socket provided with a guide part, the technical problems of large air pressure fluctuation and limited drainage capacity of the traditional single riser system are solved.

The invention discloses a low-energy-consumption MBBR process system stable operation regulation and control method, and belongs to the technical field of water treatment. The device comprises a first reaction tank, a second reaction tank, a third reaction tank and auxiliary accessories which are sequentially arranged from front to back, the auxiliary accessories comprise flashboards, valves and water inlet pipes, each reaction tank is internally provided with an aeration pipe with adjustable air volume, different operation modes can be realized through the arranged valves, and in the corresponding operation mode, the aeration pipes are communicated with the valves. And different water inlet loads can be coped with by adjusting the aeration rate. According to the MBBR process, flexible regulation and control are achieved according to the actual inflow water quality and quantity, it is guaranteed that the effluent water quality stably reaches the standard, invalid air volume waste is reduced, and energy consumption is reduced.

This invention discloses a composite seepage control structure and method for non-drainage sections of tunnels with a head of 50m or more, comprising: an external surrounding rock structure, a consolidation grouting ring, a pressure-bearing lining, transverse drainage components, and a longitudinal pipe assembly; a pressure-bearing lining with a thickness of 40cm or more is installed on the inner wall of the tunnel; the external surrounding rock structure is located outside the pressure-bearing lining; and the consolidation grouting ring is installed outside the external surrounding rock structure. By setting different seepage-proof consolidation grouting rings outside the lining according to the magnitude of the external water load, the drainage volume and external water load are reduced, thereby achieving the purpose of reducing the external water load acting on the tunnel lining structure and avoiding water pollution caused by external water seepage.

The utility model relates to a high-water-carrying-capacity humidifying wheel which comprises at least one evaporation disc which is coaxially and synchronously connected in a rotating mode, the two surfaces of each evaporation disc are each of an uneven structure, and the surface area of each evaporation disc is increased through the uneven structures; the surface area of the evaporation disc is increased by designing the evaporation disc of the wave-shaped structure, so that the water carrying capacity can be improved during working, the humidification effect is remarkably improved, the surface texture structure is designed on the surface of the evaporation disc, the surface area can be further increased, meanwhile, the adhesion amount of water on the surface of the evaporation disc can be increased, and the humidification effect is improved. And the evaporation efficiency of moisture is improved.

The invention relates to the technical field of automatic control of sewage treatment, in particular to an intelligent aeration control system for biological sewage treatment. The system comprises a water quality classification module, an intelligent analysis module and a pulse execution module. Water quality types are divided through the water quality classification module, different response measures are taken for different water qualities through the intelligent analysis module, the pulse execution module adjusts the frequency of a frequency converter and the start-stop period of an air blower according to pulse parameters, the state of an aeration pipe network is monitored in real time, dynamic characteristics are extracted to calculate the health degree index, and the control quantity is corrected through feedforward compensation. The influence of pipe network abnormity on oxygen supply is counteracted, pulse parameters are dynamically adjusted by combining the water inlet load and dissolved oxygen deviation, energy consumption waste caused by low-load and high-aeration is avoided, insufficient dissolved oxygen caused by high-load and low-aeration is prevented, and balance of energy conservation and treatment effects is achieved.

The invention discloses a water medium loading pressure stabilizing system, and relates to the technical field of concrete water load simulation. The system comprises a loading unit used for applying water pressure to a concrete test piece, a pressure stabilizing unit connected with the loading unit and used for providing stable power input for the loading unit, a water supplementing unit used for supplementing water to the system and a control system. The pressure stabilizing unit comprises a hydraulic cylinder and a proportional control valve, and the control system dynamically adjusts the oil pressure of the hydraulic cylinder through the proportional control valve according to a water pressure signal collected by the pressure sensor in real time, so that the output water pressure of the loading unit is accurately controlled. Through closed-loop feedback control, the problems that in the prior art, the pressure stabilizing precision is insufficient, and time-varying load and seepage compensation are difficult to simulate are solved, high-precision and dynamic pressure stabilizing loading of the concrete structural surface with natural defects in a real water medium environment is achieved, and a reliable test platform is provided for research of a hydraulic fracturing mechanism and dam safety.

The invention relates to the technical field of constant-pressure water supply control, in particular to a constant-pressure water supply control method, system, equipment and medium, which comprises the following steps: adjusting the output frequency of a frequency converter through a controller based on the pressure deviation between a preset water supply pressure target value and actually measured actual water supply pressure, and controlling the rotating speed of a water pump; the closed-loop control on the water supply pressure is realized; in response to the change of the water load, when the operation of a single water pump cannot meet the water supply pressure target value, the operation mode is automatically switched between single-pump variable-frequency operation and multi-pump cooperative operation; and monitoring the water level of the water source, and performing linkage control on water replenishing operation and operation permission of the water pump based on the water level state. The water supply system has the beneficial effect that the pressure stability, the equipment operation reliability and the energy efficiency level of the water supply system are improved on the whole.

This invention provides a method, apparatus, and electronic device for automatic ultraviolet disinfection based on the coordinated control of residual chlorine and flow rate, relating to the fields of water treatment and automatic control technology. The method includes: acquiring real-time residual chlorine and flow rate values ​​of the water supply network at preset intervals; performing time-window-based moving average filtering on the real-time residual chlorine and flow rate values ​​to obtain corresponding stable residual chlorine and flow rate values; performing a two-level decision based on the stable residual chlorine and flow rate values ​​to determine the target operating state of the ultraviolet disinfection equipment; and controlling the ultraviolet disinfection equipment to automatically disinfect according to the target operating state through a gradual adjustment method. This invention, by coordinating the decision-making of stable residual chlorine and stable flow rate, changes the single-parameter control mode, enabling intelligent identification of actual disinfection needs under different water loads. While ensuring that the effluent water quality absolutely meets standards, it automatically reduces power or enters standby mode during periods of low water usage.

The invention belongs to the technical field of water treatment, and particularly relates to an intelligent control method and system for adding chlorine dioxide into a coagulation clarification tank. Comprising the following steps: S1, obtaining a model of total concentration distribution of residual chlorine in a coagulative precipitation tank; s2, under a stable environmental condition, based on multi-period historical data, obtaining an empirical function relationship between concentration reduction values of different indexes and the concentration of residual chlorine in the coagulative precipitation tank; s3, measuring COD (Chemical Oxygen Demand), ammonia nitrogen and escherichia coli community number indexes of inlet water at the moment t, and calculating a difference value between the indexes and an outlet water standard, namely an inlet water load; s4, the optimal residual chlorine concentration meeting the treatment standard at the current period and with the lowest chemical consumption is calculated; and S5, dynamically updating model parameters. The system has the beneficial effects that the control precision is high, the working condition is monitored in real time in the operation process, the model is matched in a targeted manner, and the effluent quality is accurately controlled. By taking the water outlet indexes of main objects of the water plant as control targets, a better control effect can be obtained, and the dependence of operators on expert experience can be reduced.

The invention relates to a pump station dispatching system based on an AI intelligent agent. The system comprises a water load module and a pump set scheduling module, the water load module comprises an enhanced generalized additive model and a DQN reinforcement learning agent; the enhanced generalized additive model comprises a generalized additive model and a gradient boosting tree, the generalized additive model constructs a nonlinear response function of each feature according to historical data, and the gradient boosting tree optimizes the nonlinear response functions; the enhanced generalized additive model calculates the predicted water supply amount according to the nonlinear response function of each feature and the weight of the nonlinear response function; the DQN optimizes the weight according to the supply and demand deviation; after the enhanced generalized additive model obtains the predicted water supply amount, key boundary conditions of water supply demands are generated after confidence interval evaluation; and the pump set scheduling module outputs the optimal scheme of pump set scheduling in each time period under the condition of meeting the key boundary conditions of the water supply requirements in different time periods. The system has the advantages of accurate prediction, good robustness and excellent energy efficiency.