259 results about "Submersible pump" patented technology

This utility model provides a submersible pump fixing device, belonging to the field of water pump technology. It solves the problem of existing submersible pumps easily tipping over during use. This submersible pump fixing device includes a water pump filter cover and a mounting plate. The water pump filter cover has a receiving cavity and several flow holes on its side wall. Several fixing seats are located on the outer wall of the water pump filter cover, and each fixing seat has an upward-opening semi-slot. The mounting plate has several C-shaped engaging parts, each with a corresponding engaging block on the semi-slot. A support plate is also provided on each engaging part. Rotating shafts are located on both sides of each engaging part, and the engaging parts are movably connected to the mounting plate via the rotating shafts. This utility model has the advantages of simple installation and anti-tipping.

1. Name of the product in this design: Submersible electric pump. 2. Purpose of this design: Submersible electric pump for pumping water. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a kind of flanging machines suitable for multi-specification steel-plastic composite pipe, based on main body frame, integrated hydraulic drive, caliber adjustment, length adaptation and automatic cooling and other function modules. By being equipped with hydraulic station backing plate installation 380V hydraulic station in the front end bottom of main body frame, column and beam structure installation electric lifting screw rod and oil cylinder top rod are constructed on frame;Different caliber pipe material clamping is realized by dovetail groove guide rail, clamping plate and forward and reverse screw rod cooperation, and drag rail and drag rail iron wheel adapt different length pipe material;When flanging, the expansion, sizing is completed by hydraulic drive ejector rod cooperation mould, and the water in water tank is extracted by micro-submersible pump to circulate cooling.The flanging machine realizes the efficient flanging of multi-specification steel-plastic composite pipe, compared with traditional manual operation, significantly improves safety, reduces labor cost and improves flanging quality.

This invention discloses a tunnel reverse slope drainage system suitable for TBM construction, comprising: a pumping station including several sewage pumps and submersible pumps, used for pumping water in normal drainage phases by connecting to low-power pumps, and for pumping water in emergency drainage phases by connecting to high-power pumps; a sewage tank for storing equipment wastewater generated during TBM construction; a TBM material transfer tunnel water collection tank for collecting and cooperating with the sewage pumps to discharge equipment wastewater during normal drainage phases, and serving as a temporary water collection tank for small amounts of water seepage in unfavorable strata during emergency drainage phases; a water collection pit for draining seepage and water seepage behind the completed tunnel; a three-stage sedimentation tank for sedimentation treatment of wastewater generated during TBM construction; and several drainage pipelines. The pipelines configured in this invention for emergency drainage are suitable for disaster-prone situations during tunnel construction, used to drain seepage and sudden water seepage near the TBM construction face.

The present application belongs to the field of oil exploitation equipment monitoring, and relates to a sensor-free temperature measurement method and system for a downhole motor of an electric submersible pump, which comprises the following steps: collecting a reference resistance and a reference temperature of a winding of the motor of the electric submersible pump; collecting voltage and current data and working condition parameters of the motor of the electric submersible pump in real time; adaptively selecting a resistance calculation method according to the collected motor working condition parameters to calculate a total loop real-time resistance containing a power cable resistance; calculating a cable resistance component under a current working condition according to well temperature gradient data of the oil well and in combination with power cable parameters; calculating a temperature value of the downhole motor of the electric submersible pump under the current working condition; setting a safe running temperature threshold of the motor of the electric submersible pump, and performing a protection action when the temperature value is detected to exceed a preset threshold. The method has the beneficial effect that sensors and electronic elements do not need to be arranged downhole, and temperature monitoring of the electric submersible pump can be realized only by using the electric submersible pump unit and the power cable, and important reference can also be provided for oil well regulation and control.

This invention belongs to the field of submersible pump sealing, specifically relating to an energy-saving waterproof structure for submersible pumps. It includes an equipment compartment, an isolation compartment fixedly connected to the bottom of the equipment compartment, and a pump compartment fixedly connected to the bottom of the isolation compartment. A drive unit is fixedly connected inside the equipment compartment, and a rotating shaft is driven to its output end. The rotating shaft passes through the top and bottom plates of the isolation compartment, extends into the pump compartment, and is fixedly connected to a pump impeller. A variable-position sealing structure is provided between the bottom plate and the rotating shaft. The sealing structure, through changes in its position, creates a gap or a tight seal between the bottom plate and the rotating shaft. A drainage structure is provided inside the isolation compartment, achieving a stable static seal when the pump is stopped, and automatically releasing the seal during operation to immediately discharge any water that has entered using the pump shaft's power. This design effectively solves the problem of dynamic seal wear and leakage.

This invention relates to the field of ship energy conservation and emission reduction technology, and particularly to a low-carbon emission carbon dioxide transport vessel and its control method. A low-carbon emission carbon dioxide transport vessel includes an LNG supply unit, a water glycol circulation unit, a carbon dioxide capture unit, a carbon dioxide storage unit, and a dual-fuel main engine. The LNG supply unit includes an LNG storage tank, a submersible pump, an LNG heat exchanger, a buffer tank, and a main gas supply valve. The carbon dioxide capture unit includes a spray assembly, an absorption and desorption assembly, and a compression liquefaction assembly. The carbon dioxide storage unit includes a carbon dioxide storage tank and a BOG regulating valve. The water glycol circulation unit serves as a cold energy transfer medium, enabling the coupling of LNG cold energy with the carbon capture system. The advantages of this low-carbon emission carbon dioxide transport vessel and its control method are that it reduces the space occupied on the vessel, lowers the vessel's weight, reduces processing costs, and lowers processing energy consumption.

The application discloses a down water inlet type well submersible pump and belongs to the technical field of pump bodies, which comprises a pump body unit and a motor assembly, the motor assembly is arranged in the pump body unit, the motor assembly is used for driving the pump body unit to work, a sealing structure is arranged between the motor assembly and the pump body unit, a water inlet assembly is installed at the bottom of the pump body unit, and a water outlet structure is installed at the top of the pump body unit; the water outlet assembly comprises a water inlet seat and a blockage prevention filter cover, the water inlet seat is screw-connected and installed at the bottom of the pump body unit, the blockage prevention filter cover is installed at the bottom of the water inlet seat, a plurality of groups of filter holes are uniformly distributed on the surface of the blockage prevention filter cover, a filter screen is arranged between the water inlet seat and the blockage prevention filter cover, and a sludge collecting groove is detachably installed at the bottom of the blockage prevention filter cover; a cable is installed on the water outlet structure through a pressing plate, and a float ball switch is arranged on the cable, and the down water inlet type well submersible pump has the advantages of good blockage prevention effect and high water inlet efficiency.

The utility model provides a kind of electric submersible pump well remote shutdown device, comprising: access the first wireless I / O module of electric pump starting cabinet's shutdown signal interface, access the second wireless I / O module of RTU control cabinet output signal interface, with the DTU module being connected with RTU control cabinet, and with the central dispatching platform being connected with DTU module, first wireless I / O module is connected with second wireless I / O module communication;Central dispatching platform transmits shutdown signal to RTU control cabinet, and RTU control cabinet controls second wireless I / O module and passes on shutdown signal to first wireless I / O module, and first wireless I / O module is closed electric submersible pump by control by electric pump starting cabinet control.The utility model can realize remote shutdown under the condition that artificial cannot timely stop, reduce electric submersible pump well security risk, ensure safe, smooth production operation.

The utility model discloses a novel deep soft soil foundation rapid drainage device of multistage drainage structure, including drainage well bucket, the inside fixed mounting of primary filter screen is in the water inlet hole, and the inside installation of intermediate filter subassembly is in the drainage well bucket, and the corresponding water inlet hole of intermediate filter subassembly, and the inside setting of submersible pump is in the drainage well bucket, and the liquid outlet of submersible pump is installed with the drain pipe, and the bottom of submersible pump is installed in the inner chamber of drainage well bucket through base subassembly, and the corresponding fixed casing of water inlet hole, and the one side of fixed casing is provided with mounting hole, and the inside fixed mounting of intermediate filter screen is in mounting hole. The utility model discloses the cooperation use mode of drainage well bucket, primary filter screen, intermediate filter subassembly, submersible pump and base subassembly, under the action of primary filter screen and intermediate filter subassembly, can realize different height water inlet, and stratified filtration, reduce the situation of water inlet hole block, and base subassembly can guarantee the stability of submersible pump installation in the drainage well bucket.

This utility model discloses a floating submersible pump integrated backwash filter, belonging to the technical field of farmland irrigation equipment. The device includes a floating frame and a filter cylinder. A main water pipe is fixedly installed on the floating frame. The filter cylinder is rotatably mounted on the main water pipe and contains a water wheel, a submersible pump, and a spray pipe. When the submersible pump pumps water, some water flows through the spray pipe. The spray nozzles of the spray pipe wash the filter cylinder's screen and bottom, while the water jet impacts the water wheel, causing the filter cylinder to rotate, achieving self-washing. This device utilizes the submersible pump to divert water flow for cleaning, eliminating the need for an additional flushing pump. It features a simple structure, low cost, low failure rate, and stable operation. It is suitable for irrigation systems centered around submersible pumps and can effectively filter impurities such as moss and aquatic plants from the water source, preventing pipe blockage.

The application provides a deep water taking submersible pump backflush device and a culture ship thereof, and belongs to the field of aquaculture and fluid conveying engineering. A solution of using a high-power submersible pump water intake mechanism and assisting with multiple sets of power balancing devices is adopted to dynamically balance the rotating torque of the submersible pump and the torsion effect of sea current impact on the water intake pipeline, and to realize stable and reliable deep water taking operation. The deep water taking submersible pump backflush device comprises a water taking pipe connected by multiple sections of pipelines to form a water conveying channel, and a submersible pump assembly is connected at the water inlet of the water taking pipe. The submersible pump assembly comprises a pump shell sleeved on the water taking pipe, a driving assembly connected to the inner cavity of the pump shell through a plurality of fixing rods, and a first propeller drivingly connected to the output end of the driving assembly. On the pump shell at the outer edge of the water inlet, a plurality of electric propeller assemblies with the same structure and the same number of sensors are symmetrically installed along the axial center of the water taking pipe.

This invention provides an integrated, identifiable, intelligent sewage well cleaning device, comprising an inlet pipe, a retaining wall, a debris basket, a submersible pump, an outlet pipe, a lifting device installed at the sewage well opening, an underwater camera installed inside the sewage well, a debris storage device, and a controller. The controller is electrically connected to the underwater camera and the lifting device. The controller is used to receive image sequences of the sewage well interior collected by the underwater camera and preprocess the image sequences to obtain images of debris targets within the monitoring area. This invention solves the problems of existing sewage well cleaning methods that cannot judge the real-time status of debris inside the well, resulting in the debris not being intercepted and removed in a timely and targeted manner, easily causing blockage and entanglement of the submersible pump inlet, and reduced drainage efficiency. At the same time, manual cleaning is labor-intensive, inefficient, and poses safety hazards.

This utility model relates to the field of deep-water pump technology, and discloses a submersible pump pipeline fixing device and a submersible pump thereof, including: a bracket and a fixing member; the bracket has a through mounting hole along a first direction, the two ends of the fixing member are respectively connected to the bracket, and the fixing member protrudes from the edge of the bracket in a second direction, forming a through hole for fixing the pipeline between the fixing member and one edge of the bracket in the second direction. This utility model can prevent pipeline shaking, ensure the reliability of motor sealing and pipeline integrity.

This utility model discloses a batching and mixing equipment for lithium slag building material production, including a mixer body. A spraying mechanism is installed at the upper end of the mixer body, and a discharge mechanism is installed on the side end of the mixer body. The mixer body includes a mixing tank, a stirring shaft, and a first motor. The first motor is fixedly installed at the bottom of the mixing tank, and a rotating shaft is installed on the output shaft of the first motor. The stirring shaft is fixedly installed on the rotating shaft. A support plate is installed on the upper end of the mixing tank. The spraying mechanism includes a chemical tank, a chemical supply pipe, a turntable, an angle adjusting rod, a submersible pump, and atomizing nozzles. The chemical tank is fixedly installed on the lower end of the mixing tank, and the bottom of the chemical supply pipe is connected to the outlet of the submersible pump. This utility model has the advantages of uniform spraying, wide coverage, and efficient and convenient discharge, solving the problems of uneven distribution of liquid additives and low discharge efficiency in traditional equipment.

The utility model provides a bridge culvert drainage device, including drainage well, the drainage well top installation and top cover, the top cover upper surface installs the import and export, install detachable apron in the import and export, the drainage well inner bottom is provided with many submersible pumps, the drainage well lower extreme outer surface installs the water inlet pipe, the top cover upper surface is away from the side of import and export and has set up the vertical hole, install the standpipe in the vertical hole, the standpipe lower end extends to the drainage well inner bottom, install detachable axial flow fan on the standpipe upper end, the utility model has the beneficial effect that realizes to the deep drainage well of depth and carries out forced ventilation, improves the security of personnel down to the drainage well.

This invention relates to the field of building construction technology. To address the technical problem of anti-buoyancy in underground structures under complex hydrogeological conditions, this invention discloses a dual-control system based on drainage anti-buoyancy and dynamic balance of underground buoyancy. The system includes a drainage unit located below the basement floor slab, comprising a drainage ditch or drain pipe to collect and divert groundwater; a sump well connected to the drainage unit to collect the collected groundwater; a drainage pipeline connected at one end to the sump well and at the other end to a rainwater storage tank or municipal drainage network to discharge the groundwater from the sump well; a submersible pump installed in the sump well to discharge groundwater through the drainage pipeline; and an automatic control device electrically connected to the submersible pump to automatically start and stop the pump based on the water level signal in the sump well. The anti-buoyancy control water level of the system is set below the level that can be balanced by the structure's self-weight and additional loads, achieving dual anti-buoyancy control through a combination of structural self-weight, additional loads, and active drainage.

The present disclosure relates to the technical field of submersible pumps, and particularly relates to a submersible pump, a submersible pump comprising a shell, a liquid level float ball switch is arranged in the shell, the shell comprises a frame body component, the liquid level float ball switch comprises: a liquid level adjusting mechanism, which is in sliding connection with the frame body component, a first positioning structure is arranged between the frame body component and the liquid level adjusting mechanism, and the first positioning structure is used for limiting the liquid level adjusting mechanism at a certain height; a connecting rod mechanism, which comprises a guide part and a driving part connected with each other; a first switch matched with the driving part; a float ball, which is located below the liquid level adjusting mechanism, the float ball is in movable connection with the guide part; a mechanical trigger mechanism, which is arranged between the float ball and the liquid level adjusting mechanism, and the mechanical trigger mechanism is used for locking the float ball and the guide part; and a lower stroke limiting piece, which is arranged on the guide part and located below the float ball.

The utility model discloses a novel solar control's submersible pump control system belongs to submersible pump field, a novel solar control's submersible pump control system, photovoltaic module is connected with the electricity of battery box, and the electricity of battery box is connected with PLC controller, and the electricity of PLC controller is connected with submersible pump main part, and submersible pump main part includes drive assembly, connecting piece, support, pump cylinder, shaft coupling, pump shaft, impeller, guide vane, flat valve and water outlet section, and drive assembly and pump cylinder are connected through connecting piece, and connecting piece has a plurality of mesh, and a plurality of upper and lower interval distribution's impeller are arranged between support and flat valve, and the output of drive assembly is connected with pump shaft through shaft coupling, and impeller is fixed on pump shaft, and every impeller is all equipped with a guide vane, and water outlet section is sealedly connected in pump cylinder. The utility model utilizes photovoltaic module and battery box to realize clean, stable power supply, and its unique submersible pump main part structure effectively solves traditional submersible pump main part high speed under the performance problem such as distribution flow.

A gas separator for an electric submersible pump includes a housing and a shaft extending through the housing. The shaft is concentrically disposed with respect to the housing. The gas separator further includes a first spider bearing affixed to the housing and comprising first vanes. The shaft extends through a first bore in the first spider bearing. The gas separator further includes a second spider bearing affixed to the housing and comprising second vanes. The shaft extends through a second bore in the second spider bearing. A sign of a first pitch angle of the first vanes is opposite to a sign of a second pitch angle of the second vanes. The first pitch angle and the second pitch angle are with respect to an uphole direction parallel to a longitudinal axis of the shaft.

Measuring and actively managing gas production in a downhole electrical submersible pump, such as for liquid hydrocarbon well production. A controller monitors pump motor electrical current data and performs a motor current signature analysis to calculate a Gas Production Index (GPI) value indicating a relative amount of gas being produced by the well at a particular time. The controller then responsively uses the calculated present GPI value as a synthetic process variable in a closed control loop, by dynamically adjusting the pump motor speed to achieve a target amount of liberated gas as estimated by a future GPI value.

This invention relates to the field of sealing ring press-fitting and testing technology, specifically to an intelligent integrated press-fitting and testing machine for submersible pump sealing rings. It includes a worktable and a vision inspection mechanism mounted on the upper part of the worktable. A second feeding mechanism is fixedly connected above the worktable, and a material-picking and pressing mechanism is fixedly connected to one side of the second feeding mechanism. A rotating platform is fixedly connected to the upper part of the worktable, and a first feeding mechanism for feeding the pump body is mounted on one side of the rotating platform. This invention achieves synchronous completion of the entire process of sealing ring gripping, positioning, and pressing through the linkage of the second feeding mechanism and the material-picking and pressing mechanism. This avoids the positioning deviation and low pressing efficiency that easily occur in distributed operations. By adjusting the top rod and the material-picking block inside the auxiliary material-picking component, the supporting sealing ring automatically slides out during material picking by the vibratory feeder, without external force intervention, thus preventing deformation of the sealing ring due to external forces and resulting in placement deviation.

The present disclosure relates to a computer-implemented method for preventing an electrical submersible pump, ESP, failure, the method comprising obtaining real-time operation sensor data from one or more sensors (110), the real-time operation sensor data being indicative of the operation of the ESP, detecting, by an abnormality detection artificial intelligence, Al, engine (220), at least one abnormality in the real-time operation sensor data (120), the abnormality indicating an abnormal event of the operation of the ESP, generating, by a physics characteristics Al engine (230), at least one operating characteristic of the ESP based at least on the abnormality and on a physical model of the ESP (130), determining, by a root cause analysis Al engine (240), at least one root cause of the ESP failure based at least on the at least one abnormality and the at least one operating characteristic (140), and generating at least one failure prevention measure to reduce the risk that the ESP failure occurs (150). In addition, the present disclosure relates to a corresponding computer system and to a corresponding computer program.

1. Name of the product in this design: Submersible pump (Self-developed multi-stage submersible pump No. 263). 2. Purpose of this design: This design is used for conveying liquids. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 2 3D diagram 1. 5. Design 2 is designated as the basic design. 6. Other components that need to be explained: Component 1 of Design 1 is the main body of the submersible pump, and Component 2 of Design 1 is the float switch.