615results about "Pumping plants" patented technology

The invention provides an automatic energy-saving control method and device for a ring cooling fan based on load feedback, relates to the field of ring cooling fans, and solves the technical problem of delay of regulation and control in an energy-saving working state. The method comprises the steps that working condition data are input into a preset powder box model, and a feed-forward air volume instruction is obtained through calculation; and inputting the working condition data into a state observer to obtain an optimal estimated temperature value. And the deviation between the optimal estimated temperature value and a preset temperature set value is calculated, and a feedback air volume compensation instruction is obtained through calculation of a feedback controller according to the deviation. And fusing the feed-forward air volume instruction and the feedback air volume compensation instruction to obtain a final air volume control instruction, and issuing the final air volume control instruction to a fan frequency converter for execution. And continuously monitoring the numerical value and the change trend of the feedback air volume compensation instruction, taking the feedback air volume compensation instruction as a prediction error signal of the powder box model, and adaptively adjusting key thermal parameters in the powder box model. The method is used in the control process of the ring cooling fan.

The invention belongs to the technical field of water supply network adjustment, and particularly relates to a water supply network pressure and flow adjusting method. The method comprises the following steps: firstly, collecting pressure, flow and water temperature data of a monitoring node at present and in a preset time period, wherein the preset time period is set according to a water consumption period; preprocessing flow data through a sliding window method and fitting a curve, and marking an instantaneous disturbance time period; the dynamic response coefficient of each disturbance time period is calculated, and water temperature correction is needed; combining the flow standard score, the dynamic response coefficient and the real-time deviation coefficient to obtain a flow dynamic regulation index; a pressure stability index is obtained through pressure and water temperature trend feature vector matching; the two are subjected to weighted fusion to form a pipe network comprehensive regulation factor, and the valve opening and the water pump power are regulated accordingly. The method can accurately identify instantaneous disturbance, improve the adjustment precision and response speed, and guarantee stable water supply.

The invention provides a robust control automatic setting method for a constant-pressure water supply system, and the method comprises the steps: obtaining a system working condition in real time, and extracting multi-dimensional state parameters including real-time flow, pressure deviation, current deviation and power deviation; the current load working condition is judged according to the pressure deviation, disturbance characteristics are analyzed by integrating all parameters, and the disturbance grade and type are determined. On the basis, robust control parameters are automatically set in combination with real-time working conditions, load conditions and disturbance characteristics of the system. And finally, performing multi-stage cooperative control on the system by using the set parameters, so that the constant-pressure water supply system is automatically set. According to the robust control automatic setting method for the constant-pressure water supply system, load working conditions and disturbance characteristics are recognized based on multi-dimensional state parameters, robust control parameters are self-set in a targeted mode, and automatic setting of the constant-pressure water supply system is achieved through multi-stage cooperative control. Therefore, the intelligent level of the constant-pressure water supply system and the adaptability in different operation environments are effectively improved.

The invention relates to the field of pump room intelligent control, and particularly discloses a pump room control method and system. The method comprises the steps that pump body vibration signals and current signals are collected, and input characteristic data of a unified structure are constructed; inputting the feature data into the fusion depth diagnosis model, extracting multi-dimensional features, completing association modeling, and generating a risk assessment information structure; generating an alarm mark and an isolation demand according to the risk information, and executing a fault pump isolation operation; a standby pump scheduling sequence is generated according to the isolation result, and a switching instruction is sent out; and combining system feedback information to optimize a diagnosis model and a scheduling strategy. According to the invention, the fault identification precision, the isolation control efficiency and the intelligent level of standby pump dispatching of the pump room under complex working conditions are obviously improved.

A control system for a plumbing fixture includes at least a network device, a plumbing fixture, and a controller. The network device is configured to detect a plurality of connections for mobile devices in an indoor space associated with the plumbing fixture. A controller configured to compare the plurality of connections to an occupancy threshold and generate a command for the plumbing fixture.

This application provides a constant pressure water supply control method, system, and medium for a standardized secondary water supply pump station. The method includes: acquiring and processing multiple historical water supply data points within a preset time period, including water supply time data, corresponding pump water supply pressure data, and user node water supply pressure data, to obtain the water supply pressure level and corresponding water supply pressure and time; processing this data in conjunction with the user node water supply pressure to obtain the pipeline pressure loss value corresponding to the water supply pressure level; acquiring and processing real-time water supply time point data to obtain the water supply pressure level, corresponding water supply pressure, and pipeline pressure loss value, to obtain the real-time demand water supply pressure of the pump; then implementing water supply and acquiring and processing real-time water supply pressure data from user nodes to obtain a real-time water supply evaluation index; finally, performing threshold comparison and adjusting the water supply mode based on the comparison results; thereby achieving constant pressure water supply and precise control of the secondary water supply while reducing energy consumption.

The invention relates to a tail end constant-pressure water supply strategy adjusting method and system based on AI, and belongs to the technical field of secondary water supply.The constant-pressure water supply strategy adjusting method comprises the steps that the flow of a header pipe and real-time health state data of each running pump are periodically collected; according to the header pipe flow, the dynamic demand lift is calculated, and all feasible pump set combination strategies are generated in combination with the dynamic demand lift and the real-time health state data; the score of each candidate strategy is calculated, the candidate strategy with the highest score is used as a pump set scheduling strategy, the pump with the most matched performance is selected from candidate pump sets corresponding to the pump set scheduling strategy to serve as a frequency conversion main guide pump, and the other pumps serve as frequency conversion auxiliary pumps; according to the set minimum service pressure and the dynamic demand lift, the target pressure of a pump outlet is calculated; and according to the target pressure and the actually-collected pump outlet pressure, the rotating speed of the variable-frequency main guide pump is adjusted. The method has the beneficial effects that the power of the pump set is matched with the actual requirement, so that the operation cost is reduced.

The invention relates to the technical field of agricultural water conservancy control, in particular to a high-standard farmland intelligent irrigation and drainage pump gate cooperative remote control method and system, and the method comprises the steps: generating a cooperative control instruction which restrains the power of a water pump and the opening and closing of a gate at the same time based on farmland water level information; establishing a conflict relationship between the response delay time of the water pump and the action delay time of the gate, and disassembling the cooperative control instruction into control sub-instructions for the water pump and the gate; when the soil under-saturation signal is continuously detected, the distribution adjustment control sub-instruction adjusts the output power of a water pump and controls the opening degree of an irrigation gate; when the water level overrun signal is continuously detected, the control sub-instruction is adjusted to control the opening degree of the drainage gate, and the output power of the water pump is reversely adjusted based on a backwater shock wave model triggered by the gate opening degree; the farmland water level information is detected in real time, and a cooperative control instruction is reconstructed. According to the invention, the problem of water level oscillation caused by misalignment of cooperative control of the water pump and the gate due to response time delay difference is effectively solved.

A recirculating shower system that can supply recirculated water to one or more spray heads to conserve water consumption during use and reduce water pollution. The recirculated water may be combined with fresh water to maintain comfortable conditions of the water being dispensed via the one or more spray heads. The recirculating shower system may include a flow control valve that operates to control the fresh water supply and a recirculation skid that controls the supply of the recirculated-fresh water mixture. The recirculation skid may include one or more inline cleaning devices that are operable to generate cleaned water that can be distributed throughout the recirculated water plumbing for intermittent or periodic cleaning.

The invention is applicable to the technical field of hydraulic engineering and water supply and drainage, and provides a water intake pumping station with a large variable-amplitude water level, which comprises a pump room and a reinforced concrete guide rail arranged on a dam, and moving wheels used for being matched with the reinforced concrete guide rail are arranged on the side surface, close to the dam, of the pump room. The dam is further provided with a lifting assembly used for adjusting the working height of the pump room. The water taking assembly comprises a plurality of pump room water pumps, a telescopic pipe and a water taking opening, the pump room water pumps are arranged in the pump room, the output ends of the pump room water pumps are connected to the same gathering pipe, the gathering pipe is further connected with a main outlet pipe, the input ends of the pump room water pumps are connected with the water taking opening through the telescopic pipe, and a rotary filter screen is arranged at the bottom of the water taking opening; the automatic water suction device can automatically adapt to the variable amplitude of the water level of 20 m or above, the water pump is located at the optimal water suction depth all the time, and the risk of'air suction 'or submerging is avoided.

The invention discloses a secondary water supply pump station remote operation and maintenance method and system based on the Internet of Things, relates to the technical field of resource management, and realizes accurate identification of'micro water hammer 'implicit disturbance by collecting water supply related data, constructing a disturbance residual factor Dk, judging a water supply state and obtaining a dislocation characteristic index. The problem of missed judgment of short-time and low-amplitude dislocation behaviors in a traditional method is solved, periodic risk fluctuation is quantified through autocorrelation analysis of a time interval sequence, finally, an adjustment strategy is generated in real time in combination with a disturbance countermeasure library and is issued to a main control system, closed-loop control and self-adaptive correction of structural water hammer risks are achieved, and the accuracy of the structural water hammer risk is improved. And the steady-state operation capability of the secondary water supply pump station is effectively improved.

The invention relates to the technical field of mine water treatment and utilization, and discloses a mine water resource comprehensive utilization system and method based on multi-target coupling, and the system comprises a multi-source mine water collection module which collects mine water in different underground areas; the hierarchical storage and adjustment module is used for performing hierarchical storage and adjustment on the mine water; the target guiding purification module is used for carrying out targeted purification treatment on the adjusted mine water to generate standard industrial water to be used or irrigation water to be used; the multi-scene utilization module is used for conveying the industrial to-be-used water or the irrigation to-be-used water which reaches the standard to a corresponding water utilization scene and carrying out industrial or agricultural scene water supply utilization; the intelligent coupling regulation and control center module is used for establishing a dual-objective function for maximizing the water resource utilization rate and minimizing the system energy consumption according to the monitoring state data of all the modules and the initial system control instruction and constraint conditions, and performing iterative solution by adopting a multi-objective particle swarm optimization method to generate an optimal control instruction; the utilization rate of mine water resources is greatly increased.

The utility model relates to the technical field of rainwater recycling, in particular to a hill and mountain stepped multi-span greenhouse rainwater recycling system which comprises a greenhouse, a rainwater tank, a downpipe, a low-level reservoir, a filter tank, a high-level reservoir, a ground recycling ditch and a stack retting tank. Rainwater enters the low-level reservoir along the downpipe, the rainwater is filtered through the filter tank, the rainwater entering the low-level reservoir is transferred into the high-level reservoir to be stored, rainwater on the ground near the greenhouse is recycled through the ground recycling ditch, the rainwater is filtered through the filter tank, and the rainwater enters the low-level reservoir. And the rainwater is transferred into the high-level reservoir for storage, so that the problems that the rainwater runoff is fast and the rainwater is difficult to collect in a centralized manner due to topographic relief of the existing rainwater recovery equipment in hills and mountains are solved.

The utility model relates to a water shortage protection device for an intelligent pump room. The water shortage protection device comprises a power supply module, an acquisition module, a CPU module, a relay control module, a communication module, a display module and a reserved interface module. The power supply module provides a working power supply; the acquisition module is connected with the CPU module and is used for acquiring the liquid level of a clean water tank of a pump room; the CPU module is used for data processing; the communication module is connected with the CPU module and is used for sending data information to a pump room host; the relay control module is connected with the CPU module and used for indicating that the current liquid level is lower than the lower limit or higher than the upper limit. The display module is connected with the CPU module and is used for displaying the liquid level data and the operation parameters of the clean water tank and setting the parameters and correcting time in a touch control manner; and the reserved interface module (70) is connected with the CPU module, and is used for protecting and upgrading the system.

The apparatus comprises a water tank 12 containing a volume of water, an inlet 28 to the water tank for connection to the mains water supply, a mains supply valve 14, an outlet 30 connected to the wat

The utility model provides a water resource recycling device based on agriculture and light complementation. The water resource recycling device comprises a water resource recycling box, an agriculture irrigator, a water resource collecting tank and a photovoltaic module flusher, at least one water resource recycling box is arranged close to the photovoltaic module, a photovoltaic module flusher is arranged at the top of the photovoltaic module, and the water inlet end of the photovoltaic module flusher is communicated with a water conveying pipeline of the water resource recycling box; and a water resource collecting tank is arranged at the bottom of the photovoltaic module, and the bottom of the water resource collecting tank is communicated to the water resource recycling box through a collecting pipeline. According to the utility model, the water resource collecting tank is arranged to collect water for the cleaning assembly and natural rainfall, and the water resource is recycled for daily use of an agricultural-light complementary project through the water resource recycling box, the photovoltaic assembly flusher and the agricultural irrigator, so that the recycling of the water resource of the agricultural-light complementary photovoltaic power station area is realized, and the utilization rate of the agricultural-light complementary photovoltaic power station area is improved. The utilization rate of water resources is increased, and the growth environment of crops under the plate is improved.

A trailer type mobile sanitary apparatus includes a housing that forms an interior space having a flushable toilet and a wash basin. The trailer type mobile sanitary apparatus further includes a wash basin drainage system and a septic tank that is separated from the wash basin drainage system and includes a decomposer configured to separate liquids from solids for a separate discharge. The housing securely positioned on a tray type trailer with a septic tank being formed in the tray type trailer. The tray type trailer further includes a technical room with an electric system and a water supply system.

The utility model relates to the technical field of pump stations, and discloses a water and electricity separated box type pump station which comprises a supporting plate, a plurality of supporting columns are fixedly connected to the top of the supporting plate, a water tank is fixedly connected to the tops of the supporting columns, and an electrical room is fixedly connected to the position, located on one side of the water tank, of the top of the supporting plate. A ventilation fan is fixedly installed on the outer wall of the electrical room, a water pump room is fixedly connected to the position, below the electrical room, of the bottom of the supporting plate, and a water pump is fixedly installed on the inner bottom wall of the water pump room. According to the water and electricity separation type box-type pump station, through mutual cooperation of the electrical room and the water pump, the water pump and the conveying pipeline can be arranged below the electrical room, so that electrical equipment can be separated from water, even if water leakage occurs, the electrical equipment cannot be affected, and after water leakage occurs, the water and electricity separation can be achieved. Workers do not need to worry about the situation of electric leakage caused by the high water level, electrical equipment is safely controlled and operated, and the overall safety of the device is improved.

The disclosure provides a controller and server combination, which implements a set of software programs to control a booster pump system. In a preferred embodiment, the software derives quadratic models for the pump performance curves, and the system curve. The system monitors the flow rate of the system, the pump performance curve model and the system curve model to adjust the drive frequency and the number of active pumps to meet flow rate demand efficiency.

The utility model discloses a vibration isolating and damping device for a secondary water supply pump room, which relates to the field of medical care equipment, and comprises a fixed support, the fixed support is bent in an n shape along the width direction, a second rubber pillow block is embedded in the fixed support, a plurality of mounting plates for mounting water supply pumps are arranged above the fixed support, and the mounting plates are fixed on the fixed support. A first rubber pillow block is arranged between the mounting plate and the upper end face of the fixed support, a connecting column is connected to the bottom of the mounting plate, and the bottom end of the connecting column penetrates through the top end face of the fixed support, is embedded into a second rubber pillow block and is fixedly connected with an anti-falling plate. The water supply pump mounting support has good vibration isolation and vibration reduction performance, reduces vibration loss in the continuous working process of the water supply pump, prolongs the service life of the water supply pump, and is more suitable for water supply pump mounting support of a secondary water supply pump room.

The earth and rockfill dam upstream face water taking construction equipment under the reservoir water storage condition comprises a water taking device, a plurality of water conveying pipes are connected to the water taking device, flange plates are installed at the two ends of each water conveying pipe respectively, and traction devices are erected outside the conveying pipes; a plurality of buttresses are arranged in the water taking device, a plurality of sliding rails are mounted on the buttresses, a sliding table is erected among the sliding rails, and a submersible pump is fixed above the sliding table; a carrying plate is arranged in the sliding table, a plurality of sliding blocks are installed below the carrying plate, a traction hanging frame is fixed between the rear surfaces of the sliding blocks, connecting blocks are installed on the surfaces of the sliding blocks, a rear shovel supporting block is fixed below the connecting blocks, a shovel plate is arranged in front of the rear shovel supporting block, and a plurality of auxiliary pulleys are installed on the rear shovel supporting block. According to the water taking method, construction is simple and effective, under the water storage condition of the earth and rockfill dam, in combination with the water level change condition from the flood season to the dry season, the earth and rockfill dam upstream face water taking project is implemented in stages, and raw water in the middle layer in a reservoir is obtained by a water plant.

The utility model discloses a water pump house of an ironmaking plant, and relates to the technical field of water pump houses. The water pump house pool comprises a water pump house pool body and a water pump body, and a protective net assembly used for preventing cooling tower filler aging fragments from falling into the water pump house pool body is arranged in the water pump house pool body. Water is supplemented into the water pump house pool body through the pipeline assembly, the water level in the water pump house pool body rises, the bottom end of the vertical moving assembly floats on the top face of the water level through the annular floating barrel, and the water pumping end of the water pump body is inserted into water. Filler fragments of the glass fiber reinforced plastic cooling tower are prevented from falling into the water pump house pool body through the protective net assembly, stable and safe operation of a water system is guaranteed, water is guided into the water pump house pool body through the pipeline assembly, and water in the water pump house pool body is prevented from precipitating when water flow is sprayed out.

A recirculating shower system that can supply recirculated water to one or more spray heads to conserve water consumption during use and reduce water pollution. The recirculated water may be combined with fresh water to maintain comfortable conditions of the water being dispensed via the one or more spray heads. The recirculating shower system may include a flow control valve that operates to control the fresh water supply and a recirculation skid that controls the supply of the recirculated-fresh water mixture. The recirculation skid may include one or more inline cleaning devices that are operable to generate cleaned water that can be distributed throughout the recirculated water plumbing for intermittent or periodic cleaning.

The utility model provides an indirect-cooling circulating water pump house which is characterized in that circulating water pumps are arranged at high positions, a plurality of circulating water pumps and motors are arranged in the circulating water pump house, and a maintenance site is arranged at the end part of the circulating water pump house; a reducer pipe, a pipe joint and an electric butterfly valve are arranged on a circulating water pipe at a water inlet of the circulating water pump; a reducer pipe, a pipe joint and a hydraulic control butterfly valve are arranged on the circulating water pipe at the water outlet of the circulating water pump; a circulating water pump, a motor, a circulating water pump water inlet, a circulating water pump water outlet, a circulating water pipe and valves and accessories on the circulating water pipe are arranged in the pipe ditch; a detachable steel cover plate is arranged at the top of the pipe ditch, the top elevation of the steel cover plate is 0m, the lower parts of the circulating water pump and the motor are arranged in the pipe ditch, and the upper parts are above 0m layers. Maintenance and inspection of operators are facilitated, and cost is saved.

The utility model discloses a long-distance high-pressure pump station water hammer eliminating device, and belongs to the field of energy conservation and environmental protection. The device comprises a water suction pool and a water supply main pipe, the water suction pool is connected with a plurality of water pump branch pipelines, the water pump branch pipelines are identical in design, and an electric gate valve is arranged between the water suction pool and a water pump; a pressure sensor, a heavy hammer type slow-closing check valve, a second electric gate valve and a manual gate valve are sequentially arranged between the water outlet of the water pump and the water supply main pipe; the heavy hammer type slow-closing check valve prevents water from flowing back and eliminates the influence of a water hammer; the second electric gate valve is opened when the water pump is started and closed when the water pump stops working; the manual gate valve is in a normally open state and is closed when being overhauled; a safety pressure relief branch pipe is arranged on the water supply main pipe and flows back to the pump room water suction pool. The water hammer eliminating device is simple in structure and convenient to install, damage of the water hammer effect to equipment such as a pipeline, a valve and a water pump can be effectively reduced, the safety and stability of a water supply system can be improved, the frequency of maintenance and equipment replacement is reduced, and the maintenance cost is reduced.

The utility model belongs to the technical field of pressurized water supply, and particularly relates to an energy-saving water supply device. Comprising a water storage tank, and the upper portion of the left side of the water storage tank fixedly communicates with a water inlet pipe; the supporting assembly is fixedly mounted at the top of the water storage tank, sliding grooves are formed in the left side and the right side of the protection table, mounting frames are slidably assembled in the two sliding grooves, assembling plates are bilaterally symmetrically mounted on the rear side of the protection table, and a protection plate matched with the protection table is jointly hinged to the sides, close to each other, of the two assembling plates. Mounting grooves are formed in the upper sides of the protection plate and the protection table; solar panels are fixedly mounted in the two mounting grooves and the two mounting frames; the four solar panels and the water supply mechanism are electrically connected with the storage battery; the solar panel storage box is simple in structure and reasonable in design, can store and protect the four solar panels under the condition of severe weather, has a protection effect, and prevents the solar panels from being damaged under the condition of extreme weather.

An embodiment of the present invention provides a combined water-electricity separation water supply system, which includes a control cabinet and water supply equipment, wherein the control cabinet is arranged above the water supply equipment. The control cabinet includes an upper shell and a controller located inside the upper shell, and the water supply equipment includes a lower shell, a water pump located inside the lower shell, a temperature and humidity detection device, and a water immersion detection device located outside the lower shell. The temperature and humidity detection device is used to monitor the temperature and humidity inside the water supply equipment in real time, and the water immersion detection device is used to detect when the liquid level of the water pump exceeds the limit and stop the system operation by delaying. In this way, the embodiment of the present invention can solve the problem that the traditional pump room area is limited and large-scale integrated water supply equipment cannot be installed on site, reduce construction difficulty, and optimize the installation method.

The utility model relates to the field of waterscape landscapes, in particular to a water circulation waterscape landscape structure which comprises a water circulation waterscape pool, a filter screen, a circulation pressure pump, a fountain device, a green plant landscape assembly table and a connecting table, the circulation pressure pump is installed in the middle of the water circulation waterscape pool, and the filter screen is installed between the water circulation waterscape pool and the circulation pressure pump. Impurity-free water flows into the water circulating waterscape pool through the filter screen, impurities are prevented from entering equipment and a system, abrasion and blockage of the equipment are reduced, the service life is prolonged, four fountain devices of the same specification are installed at the upper end of the outer side of the circulating pressure intensity pump, and water is sprayed out through waterfall type spraying nozzles in the fountain devices. And a green plant landscape assembling table is installed on the upper side of the circulating pressure intensity pump, and four connecting tables of the same specification are installed on the outer side of the green plant landscape assembling table.

The utility model belongs to the technical field of water conservancy devices, and particularly relates to an integrated floating type pump station which comprises a floating cylinder and a water pump, the water pump is arranged at the top of the floating cylinder, a trash holding cage is arranged at the bottom of the floating cylinder, the top of the trash holding cage is in extrusion contact with a water inlet in the bottom of the water pump, and a movable plate is arranged in the floating cylinder. The outer side of the movable plate is movably connected with the interior of the floating cylinder, and the inner wall of the movable plate is connected with the outer wall of the water pump. According to the integrated floating type pump station, the pump station can still float automatically after water exists and cannot be silted under any condition, so that the zero-silting function can be achieved, the trash holding cage is arranged below the floating cylinder, the water inlet hole of the trash holding cage is of a circular hole-shaped structure with the diameter of 20 mm, the trash holding effect is extremely good, trash below the water surface is little, blockage cannot be caused under any condition, and the integrated floating type pump station is suitable for popularization and application. Therefore, the zero-blocking function can be achieved, and the working efficiency of the floating type pump station is improved.

The present application discloses a water conservancy project pump station and its construction method, belonging to the field of water conservancy engineering technology. The water conservancy project pump station includes a bottom plate, a wall supported on the bottom plate, and a top plate covering the top of the wall; the wall includes a first unit and a second unit connected in an assembled manner, and a water inlet is opened in the middle of the second unit; the second unit has side part 1, side part 2, and a middle part connected between side part 1 and side part 2, and the water inlet is located between side part 1, side part 2, and the middle part; a casting cavity is opened inside the middle part, and the end faces of side part 1 and side part 2 are reserved with splicing bars, which can be inserted into the casting cavity; and the casting cavity is filled with concrete casting blocks. Through this application, the problem of easy damage to the water inlet position of the assembled wall in the prior art is solved.