892results about "Specific fluid pumps" patented technology

A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends laterally with respect to the main axis and has opposite facing first and second sides, a plurality of formations on a surface of the second side including an inner formation and an outer formation in spaced relation to the inner formation, the formations being configured so that in use the formations generate a flow of the fluid mixture across the surface which detaches from the surface the particulate matter adjacent thereto.

An electric motor having a stator and a rotor in which the electric motor is an axial flux motor. The stator has a multiplicity of cores which, along a circumferential direction, are disposed beside on another on a common first diameter and are in each case surrounded by one coil. The rotor has a multiplicity of magnets which, along the circumferential direction, are disposed beside one another on a common second diameter on a support. Each magnet in the circumferential direction extends across a first angular range and the magnets are disposed so as to be mutually spaced apart by a second angular range formed by the support, which support is also heatable by the stator by induction. The second angular range is at least 30% of the first angular range.

The invention discloses a quantitative recognition device for the number and size of bubbles at a rotating impeller of a multiphase pump. The quantitative recognition device comprises a two-phase flow experiment system, the multiphase pump, a high-speed camera, a light source and the like. The preprocessing and data analysis system and the deep learning system are arranged in the computer; the two-phase flow experiment system and the image acquisition system are electrically connected with the computer through lines. The invention further discloses a quantitative recognition method for the number and size of the bubbles at the rotating impeller of the multiphase pump. According to the method, the problems of low blistering recognition precision, low efficiency and large error caused by the existing manual measurement method are solved, and a reference method is provided for exploring the influence of gas distribution at the impeller in the multiphase pump on pump operation and optimizing design of the multiphase pump.

The anti-blocking submersible pump comprises a pump body, the pump body comprises a driving part, a pump cavity part and a liquid inlet part, the pump cavity part is located between the driving part and the liquid inlet part, the pump cavity part is provided with an impeller, the driving part is provided with a driving rod, the liquid inlet part is provided with a liquid inlet cylinder and a cutting cylinder, the liquid inlet cylinder is arranged on the outer wall of the cutting cylinder in a sleeving mode, and the cutting cylinder is provided with an impeller. The cutting cylinder abuts against the inner wall of the liquid inlet cylinder, the cutting cylinder is connected with the driving rod, the liquid inlet cylinder is provided with a liquid inlet hole, the cutting cylinder is provided with a cutting hole, and the cutting hole is used for cutting aquatic plants. The cutting barrel is arranged, when strip-shaped foreign matter such as aquatic plants penetrates through the liquid inlet hole and the cutting hole to enter the liquid inlet part, the hole wall of the cutting hole of the rotating cutting barrel and the hole wall of the liquid inlet hole have the cutting effect similar to shearing through scissors, and therefore the situation that the aquatic plants enter and wind the impeller is reduced, and the situation that the liquid inlet barrel is blocked is reduced; the working stability of the pump body is improved.

The utility model relates to the technical field of mud pump trucks, in particular to mud pump truck pipeline anti-blocking equipment which comprises a truck body, the truck body comprises a base, a pump body is fixedly installed on the surface of the base, a feeding pipe is fixedly connected to the surface of the pump body, and a discharging pipe is fixedly connected to the surface of the pump body. Through the arrangement of the filter plate, large impurity particles in slurry can be intercepted, the large impurity particles can be filtered out, the situation that the large impurity particles enter the pump body and the inner side of the conveying pipeline, and consequently the pump body and the conveying pipeline are blocked can be avoided, the conveying effect of the pump body can be guaranteed, and the service life of the pump body is prolonged. And meanwhile, the screw rod rotates and drives the insertion rod to move, insertion and separation of the insertion rod and the insertion groove can be achieved, limiting and limiting releasing of the mounting rod are facilitated, then cleaning or replacement of the filter plate is facilitated, and therefore the filtering effect of the filter plate on large impurity particles can be guaranteed.

Apparatus and methods are described including an impeller (50) that includes a proximal bushing (64) and a distal bushing (58). Two or more helical elongate elements (52) extend from the proximal bushing (64) to the distal bushing (58), and an axial structure (54) is disposed inside of the two or more helical elongate elements (52), and along an axis around which the helical elongate elements (52) wind. The impeller (50) includes an impeller-overexpansion-prevention element (72). The impeller-overexpansion-prevention element is a single integrated structure that includes a ring (73) disposed around the axial structure (54), and a plurality of elongate elements (67) each of the elongate elements (67) extending from the ring to a respective helical elongate element (52) and being coupled to the respective helical elongate element (52) so as to prevent radial expansion of the impeller (50). Other applications are also described.

A flow generation device (100; 200; 300; 400; 500) for flowing liquid and biomass (101), the flow generation device comprises a first rotor (103; 303; 403; 503) having an axis of rotation (A) and an outer radius (R), a housing (104; 304; 404; 504) encompassing the first rotor and forming a closed liquid volume with an inlet (105) and an outlet (106) for liquid and biomass, the first rotor adapted to provide a circulating motive liquid flow (107; 507) within the housing, a liquid and biomass channel (109; 209; 309; 409; 509) separate from the housing and extending within the housing from the inlet to the outlet, the liquid and biomass channel comprising openings (111; 211; 511) for the circulating motive liquid flow to flow the liquid and biomass inside the liquid and biomass channel from the inlet to the outlet.

The invention discloses an energy-saving submersible sewage pump anti-winding cutting device, and relates to the technical field of cutting devices, the energy-saving submersible sewage pump anti-winding cutting device comprises a pipeline main body, a first cutting assembly and a second cutting assembly, and the pipeline main body comprises a first pipe body and a second pipe body. In the second pipe body, the first cutting assembly conducts single-angle straight face cutting in the center of the sewage pump, the second cutting assembly conducts 360-degree circumferential cutting on the rear side, and blind areas and omission are avoided in a matched mode; a first shifting rod of the second cutting assembly rotates to press a slope-shaped block of a guide rod of the first cutting assembly, so that the guide rod drives a connecting column and a first blade to change angles, multi-angle cutting is achieved, the rotating speed of the shifting rod is high, and the multi-angle requirement is met; and one group of driving pieces simultaneously drive the two, so that multi-angle and all-directional cutting of sewage and waste is realized, omission is avoided, and the cutting sufficiency is improved.

Water jet-assisted sludge extraction and conveying device, characterized in that it comprises: an extrusion pump body (1) for supplying the drive for conveying sludge from the tunnel, wherein the extrusion pump body (1) is provided with a first water inlet pipe (2) for sludge supply and a first water outlet pipe (3) for conveying sludge; a return and processing pipeline for assisting the extrusion pump body (1) in suctioning and conveying the sludge, wherein the return and processing pipeline comprises a filter element, an air bag pressurization element and a water jet flushing element, wherein the filter element is configured to separate sludge water from the sludge coming from the extrusion pump body (1) and convey the sludge water to the air bag pressurization element, the air bag pressurization element is configured to pressurize and dilute the sludge water to obtain high-pressure sludge water, and convey the high-pressure sludge water to the water jet flushing element, the water jet flushing element is configured to return the high-pressure sludge water to the sludge in the tunnel; a suction and conveying element for suctioning sludge and conveying sludge to the first water inlet pipe (2); a sand cleaning element which is connected to the air bag pressurization element and is designed to return the high-pressure sludge water in the air bag pressurization element to the first water inlet pipe (2) and thereby flush the first water inlet pipe (2) and the extrusion pump body (1).

An impeller, a drainage pump, and an indoor unit of an air conditioner are provided. The impeller has an impeller shaft and a circular disc. Long blades are fixedly connected to the impeller shaft and extend outward along a radial direction of the impeller shaft. The circular disc has a plate-shaped structure sleeved on an outer circumference of the impeller shaft. The plate-shaped structure is provided with at least one balance through hole communicating front and rear sides of the plate-shaped structure.

The present invention relates to a method of starting a submersible pump used for transferring liquefied gas. The method includes starting a submersible pump (1A) disposed in a suction container (2A) of a pump apparatus (100A) to deliver liquefied gas to a suction container (2B) of a pump apparatus (100B) through a flow-path switching device (5A) in the suction container (2A), passing the liquefied gas through a flow-path switching device (5B) in the suction container (2B) while the liquefied gas bypasses a submersible pump (1B) disposed in the suction container (2B), and then starting the submersible pump (1B).

The approach presented here concerns a pump for delivering a fluid. The pump comprises an impeller, a drive device with a shaft, a shaft housing and a sealing device. The impeller is shaped to deliver the fluid. The drive device with the shaft is designed to drive the impeller. The shaft housing is shaped to receive the shaft and / or the drive device. The sealing device comprises at least one casing sealing element and / or an impeller sealing element which is received between the drive device and the impeller and which is designed to prevent fluid from entering the drive device and / or the shaft casing during operation of the pump.

A pump for non-flammable liquids has an improved mounting for the motor which facilitates the relatively quick and easy removal of the motor from the pump. The pump has a main body which is hollow and cylindrical. A motor housing is connected to the main body by threads at a first end and has a removable end cap on its second end. The electric motor is located in said motor housing and secured when the end cap is on the motor housing. An electronics housing has a battery adapter plate, a switch, and a discharge port, and encloses wires and electronics such that the motor pumps the liquid from the end cap, through the motor housing and the main body, and out of the discharge port when the switch is turned on.

The invention relates to the technical field of mechanical equipment monitoring, and discloses an intelligent monitoring system which comprises a sensor module used for collecting vibration, temperature, pressure, flow and current data of a plastic centrifugal pump in real time; the embedded controller is connected with the sensor module and used for receiving and processing operation data in real time, and signal processing, preliminary data analysis and feature extraction are included; the data center module is connected with the embedded controller and is used for further extracting characteristic values of the operation data based on a deep learning algorithm, comparing the characteristic values with data in a historical database and generating fault early warning information; and the front-end interface module is connected with the data center module and is used for receiving and displaying the fault early warning information for operators to check. The sensor module is used for collecting vibration, temperature, pressure, flow and current data in real time, signal preprocessing is carried out through the embedded controller, feature values are extracted, and the adaptive capacity to complex working conditions of the pump body is remarkably improved.

The invention discloses a sewage disposal pump with blocking early warning and automatic reversing functions and a control method thereof, and particularly relates to the technical field of sewage disposal pumps, the sewage disposal pump comprises a pump body, a driving motor, a supporting piece, a cutting assembly, a flushing assembly and a collecting assembly, and the cutting assembly comprises a movable blade and a fixed blade which are arranged in the supporting piece; the movable blade and the fixed blade can be matched with each other to smash and cut impurities in the sewage, and the movable blade can be far away from the fixed blade to prevent entanglements from being mixed between the movable blade and the fixed blade; the driving motor rotates positively and negatively for many times, the movable blade is far away from the fixed blade and is unwound during rotation, meanwhile, the flushing part reciprocates for many times through the driving motor, and pulse water flow and turbulent flow are formed in the supporting part to flush the movable blade. And the stirring piece rotates cooperatively to actively wind the fiber bundles, so that the problem that the blades and the impeller are blocked and cannot operate due to the fact that long-strip-shaped rags and other fiber objects wind the blades or are clamped into blade gaps is solved.

The invention relates to the technical field of ship turbine engineering, and discloses a ship sea water pump anti-corrosion device and a sea water pump, and the ship sea water pump anti-corrosion device comprises an anti-corrosion assembly and a fixing piece; the anti-corrosion assembly comprises an anti-corrosion single body, the anti-corrosion single body comprises a connecting piece and an anti-corrosion block, the anti-corrosion block is connected to the connecting piece, the anti-corrosion block is a metal piece, and the metal property of the anti-corrosion block is higher than that of the sea water pump; the fixing piece is arranged perpendicular to the seawater flowing direction and used for being connected to an inlet of the seawater pump, and the anti-corrosion single body is connected to the fixing piece. The sacrificial anode type anti-corrosion device is installed at the inlet of the sea water pump, the anti-corrosion block is corroded preferentially to protect the pump body according to the electrochemical corrosion principle, the corrosion resistance of the pump body is remarkably improved, and the service life of the pump body is remarkably prolonged. The anti-corrosion single body is independent in structure, convenient to disassemble, assemble and maintain and suitable for narrow space of ships. The device is high in universality and can adapt to different pump types, the maintenance cost is reduced, and the ship operation reliability and economical efficiency are improved.

The present invention relates to a pump apparatus for pressurizing liquid hydrogen, and more particularly to a pump apparatus equipped with a thrust balance mechanism for canceling axial thrust acting on an impeller. The pump apparatus includes a rotation shaft (1), a plurality of impellers (2a to 2h) fixed to the rotation shaft (1), bearings (5, 6) for rotatably supporting the rotation shaft (1), a pump casing (7) for housing the plurality of impellers (2a to 2h), and a first thrust balance mechanism (20) and a second thrust balance mechanism (40) for canceling the weight of a rotor including the rotation shaft (1) and the plurality of impellers (2a to 2h) and the axial thrust acting on the plurality of impellers (2a to 2h).

A submersible pump (10) suitable for pumping liquid that includes suspended solids such as sewage, includes a housing (12) with a motor (34) and a pump chamber (66). The motor rotates an impeller (72) within the pump chamber and a slicer (92) that operates to slice solids before they enter the pump chamber into smaller pieces. The impeller vanes (130) have a vane height (H) that is at least 30% of the impeller diameter (D). The impeller has a continuous annular donut shape open area (144) that maintains solids suspended and flowing with the liquid into and out of the pump chamber.

Dialyzer systems can integrate the technologies and functions of various blood therapy systems in a significantly integrated manner. For example, this disclosure describes a dialyzer system including a magnetically driven and magnetically levitated pump rotor integrated into the dialyzer. Such a dialyzer can be used with a treatment module including a pump drive unit that generates a magnetic field. In some embodiments, the dialyzer includes a pressure transducer chamber with a flexible membrane, and a corresponding pressure transducer of the treatment module can engage with the flexible membrane to detect arterial and / or venous pressure.

The invention relates to the field of liquid conveying pumps, in particular to a PCB etching production spraying liquid circulating conveying pump. According to the PCB etching production spraying liquid circulating conveying pump, spraying liquid flowing through the liquid inlet pipe is continuously sucked and conveyed into a spraying liquid conveying system through the impeller, meanwhile, the spraying liquid is guided to spirally ascend to flow through the liquid inlet pipe, impurities carried in the spraying liquid are thrown out to the outer layer of the spraying liquid under the centrifugal effect, and the spraying liquid is conveyed to the spraying liquid conveying system through the impeller. At the moment, impurities located on the outer layer of the spraying liquid only need to be guided and separated outwards through the liquid guide pipe and the liquid conveying pipe, and the content of the impurities in the backflow spraying liquid can be greatly reduced. According to the PCB etching production spraying liquid circulation conveying pump, on the basis that the spraying liquid backflow speed is increased, the filtering hierarchy times in the spraying liquid backflow process are reduced, and the defects that the spraying liquid backflow speed is low due to the fact that the filtering hierarchy times are too many in the spraying liquid backflow process, and the spraying liquid backflow speed is too high are overcome. And the impurity content in the spraying liquid can be increased due to the fact that the number of filtering layers is too small.

The application relates to a sewage pump, belonging to the field of pumps, which comprises a pump body, a shell, a protection base, a shell cover and an impeller, the pump body is provided with an accommodating cavity, the protection base is provided with an accommodating groove, a flap is hinged to the protection base, universal wheels are arranged on the flap, the universal wheels are used for abutting against the ground, the flap is used for turning to drive the universal wheels to extend out of the accommodating groove, elastic pieces one are arranged on the hinge shafts of the flap, the elastic pieces one abut against the protection base, so that the flap has a tendency of turning into the accommodating groove, and a positioning mechanism is further arranged on the protection base. When the sewage pump needs to be moved, the flap is turned to drive the universal wheels to extend out of the accommodating cavity, then the flap is positioned, and then the universal wheels are abutted against the ground, so that the sewage pump can be moved through the rolling of the universal wheels on the ground by pushing the sewage pump by the staff, manual carrying is not needed, and the sewage pump does not need to be carried by means of other tools, so that the sewage pump is more convenient to move.

The utility model relates to the technical field of in-groove vertical pumps, in particular to an in-groove vertical pump with a buffering function, which comprises a pump seat, a pump body mounted at the top end of the pump seat, a cavity arranged on the inner wall of the pump seat, a moving plate slidably connected with the inner wall of the cavity and fixedly mounted at the bottom end of the pump body, and a partition fixedly connected with the inner wall of the cavity. Two rectangular plates distributed in a mirror image mode are slidably connected to the inner wall of the cavity, trapezoid blocks are slidably connected to the outer walls of the rectangular plates, the pushing columns are driven to extrude the rubber blocks through vibration sensed by the moving plates, mechanical vibration generated in the pump operation process is absorbed and dispersed, and the vibration is prevented from being transmitted to the pump body and a connected pipeline system; and meanwhile, vibration of the pump body enables the movable plate to drive the rectangular plate to move, the rectangular plate effectively counteracts vibration energy through repulsive force generated between the two magnetic sheets with opposite polarities, the vibration reduction effect is further improved, the service life of the pump body and the service life of the pump base are prolonged, and the maintenance cost of the equipment is reduced.

The energy-saving type anti-blocking centrifugal pump comprises a centrifugal pump body, and an anti-blocking mechanism is installed at the water inlet end of the centrifugal pump body in a communicating mode and used for preventing the centrifugal pump body from being blocked; according to the anti-blocking mechanism, through the arrangement of the crushing assembly, the crushing impeller can crush foreign matter in water, the self-adaptive adjusting unit can adjust the water pressure in a self-adaptive mode according to the water flow, and under the low-flow working condition, the foreign matter can make full contact with the crushing impeller; the problem that foreign matters are pushed away by water flow due to insufficient contact between the foreign matters and the crushing device is avoided, the crushing effect is improved, water inlet resistance increase due to fixed through-flow area can be avoided during high flow, the advantages of energy consumption reduction and energy-saving operation are achieved, blockage of an impeller passage of the centrifugal pump body is further prevented, normal operation of the pump is guaranteed, and the service life of the centrifugal pump is prolonged. And the problems of efficiency reduction, energy consumption increase and the like of the centrifugal pump caused by blockage are reduced.

The application relates to a cutting pump, a cutting pump comprising a base, a motor, a pump shaft, an impeller, a pump body with a chamber and a volute with an inner cavity, the volute being fixed at the bottom end of the pump body, the base being fixed at the bottom end of the volute, the motor being fixed in the chamber, the output shaft of the motor being coaxially fixed on the pump shaft, the bottom end of the pump shaft extending into the inner cavity of the volute and being coaxially fixedly connected with the impeller, and an auxiliary tilting device comprising a detection device, a driving element one and a jacking rod, the jacking rod being slidingly connected on the base, the driving element one driving the jacking rod to slide on the base, and the detection device being used for detecting whether the water inlet is blocked; when the water inlet is blocked, the bottom end of the jacking rod is driven by the driving element one to move out of the base, the jacking rod and an angle of the base jointly tilt the volute and the pump body to be supported on the pool bottom or the jacking rod pushes the pump body to be in a completely tilted state. The orientation of the water inlet is changed along with the tilting of the cutting pump, the cutting space below the base is enlarged, and the silt can be better stirred, so that the cutting pump can be restored to run.

A turbomachine includes: a rotating shaft; a casing including a liquid chamber and a gas chamber in which the rotating shaft extends; a hydrostatic liquid bearing located in the liquid chamber and supporting the rotating shaft through a lubricating liquid supplied to a bearing clearance between the hydrostatic liquid bearing and the rotating shaft; and a hydrostatic gas bearing located in the gas chamber and supporting the rotating shaft through a lubricating gas supplied to a bearing clearance between the hydrostatic gas bearing and the rotating shaft.

The utility model relates to the field of automatic sewage pumps, and discloses an automatic sewage pump for municipal water supply and drainage, which comprises a pump body, the lower surface of the pump body is fixedly connected with a protective cover, the lower end of the outer wall of the protective cover is provided with a plurality of filter holes, and the inner wall of the pump body is provided with a main shaft. A shaft body of the main shaft is fixedly connected with an impeller and a plurality of connecting rods, and the ends, away from the main shaft, of the connecting rods are fixedly connected with scraping plates. Compared with most existing automatic sewage pumps for municipal water supply and drainage, the automatic sewage pump for municipal water supply and drainage is provided with the quick fixing mechanism for quickly connecting the water outlet pipe and the external mounting pipe, and the two connecting flanges are fixed by arranging the limiting grooves and the limiting blocks on the connecting flanges of the pipeline; and meanwhile, the gasket is arranged at the front end of the mounting pipe in a sleeving manner, so that the connection tightness can be ensured, and the problem that sewage leaks at the joint is solved.

The invention provides a vertical sand pump, and relates to the technical field of pump equipment, the vertical sand pump comprises a motor, the lower end face of the motor is connected with four groups of supporting rods, and the other ends of the supporting rods are connected with a bottom plate; the water conveying mechanism comprises a volute, the side wall of the volute is connected with a water outlet pipe, a throwing-out wheel is rotationally connected into the volute, the lower end face of the throwing-out wheel is connected with a pushing wheel, and the pushing wheel is also rotationally connected with the inner side of the volute; the vertical sand pump further comprises a balance mechanism, the balance mechanism comprises a shell, the upper end face of the shell is fixedly connected with the lower end face of the volute, the lower end face of the shell is connected with a base, multiple sets of water inlet grooves are formed in the outer side wall of the shell, and middle rods are arranged between the water inlet grooves. The problem that a traditional sand pump lacks self-adaptive adjusting capacity when the sand content changes suddenly is solved, and dynamic balance of high-sand-content water flow is achieved.

The utility model relates to the technical field of slurry pumps, and discloses a slurry pump capable of preventing an impeller from being blocked, which comprises a pump body, the impeller is rotatably connected in the pump body, the left side of the impeller is connected with a mounting piece through a fixing assembly, a sealing assembly is arranged between the impeller and the mounting piece, the left side of the mounting piece is fixedly connected with a plug connector, and the plug connector is fixedly connected with a plug connector. A connecting piece is arranged on the left side of the inserting piece, connecting grooves are formed in the outer wall of the connecting piece and the outer wall of the inserting piece, and the connecting piece and the inserting piece are fixedly connected by inserting fixing screws into the connecting grooves. According to the utility model, through the cooperation of the extrusion plate, the spring, the fixing bolt and the like, the sealing ring II and the sealing ring III can be tightly fixed, particles are effectively prevented from entering the connecting part of the mounting piece and the impeller, the blocking condition of the impeller is effectively reduced, the impeller mounting mode is relatively simple and convenient to operate, all parts are tightly and stably connected, and the pump body can be kept in a good closed state; the efficient slurry treatment process is ensured.