134 results about "Submersible mixer" patented technology

The utility model discloses AO + MBR (membrane bioreactor) integrated sewage treatment equipment, and aims to provide an efficient, stable and economical sewage treatment solution. The equipment integrates an anoxic zone, an aerobic zone, a clean water tank, an upper-layer equipment zone and a lower-layer equipment zone, and realizes organic matter degradation, denitrification, dephosphorization and disinfection processes through a submersible stirrer, an aerator, an MBR membrane assembly, a rotary blower, a water production / backwashing pump, a reflux pump and a plurality of dosing devices. The equipment is skillfully designed, such as a double-layer structure, a single-pump dual-purpose device, a pipeline type oxygen eliminating device and the like, so that the effective utilization of space and the flexibility of operation are ensured, and meanwhile, the treatment effect is ensured to meet or exceed the first-grade A emission standard. Besides, by reducing the equipment size, simplifying the pipeline system and adopting the integrated design, the engineering cost and the operation and maintenance difficulty are remarkably reduced, and the device is suitable for small sewage treatment projects and shows excellent performance and economic benefits of integrated equipment.

The submersible mixer blade assembling and welding device comprises a base and a welding robot arranged on one side of the base, a rotating disc used for bearing a hub is rotationally arranged on the base, a clamping assembly is arranged on the rotating disc, and the clamping assembly comprises a plurality of clamping blocks; a lifting assembly, a limiting assembly and a dust removal assembly are arranged on one side of the rotary disc, the limiting assembly and the dust removal assembly are driven by the lifting assembly, the limiting assembly comprises a positioning column and a plurality of limiting columns, an abutting assembly is arranged on one side of the lifting assembly, and the clamping assemblies clamp hubs of different sizes by adjusting clamping blocks. The limiting assembly is used for limiting an unwelded blade through a limiting column and positioning a welded blade through a positioning column at the same time, the lifting assembly is used for driving the limiting assembly to ascend and descend and driving the dust removal assembly to clean welding slag at the same time, and the abutting-against assembly is used for abutting against the blade before the welding robot welds the blade to a hub. The automation degree of welding is improved, and the stability of the hub and the blade during welding is ensured.

The invention discloses a variable-volume CSTR anaerobic fermentation tank which comprises a fermentation tank body, the fermentation tank body is composed of a top cover and a tank body, the bottom of the tank body is connected with a tank foundation, and the interior of the tank body is divided into a jacking area at the bottom and a fermentation area at the top by a middle sealing layer; a plurality of jacking units controlled by a controller to stretch out and draw back are arranged at the bottom of the middle sealing layer, and the jacking units can drive the middle sealing layer to ascend and descend, so that the volume of the fermentation area is changed. The volume of a fermentation area in the fermentation tank body can be changed along with the fluctuation of the feeding amount through the lifting of the jacking unit, so that the hydraulic retention time in the tank tends to be stable, and the fermentation effect is ensured; and the submersible stirrer and the shell breaking stirrer are used for breaking shells, so that the fermentation reaction is not influenced, the fermentation effect and the biogas yield are improved under the condition of saving energy consumption, and the fermentation effect is further ensured.

The utility model discloses an adjustable submersible mixer, which belongs to the technical field of submersible mixers.The adjustable submersible mixer comprises a sewage adjusting tank, a transverse horizontal adjusting assembly is arranged on one side of the top of the sewage adjusting tank, and the transverse horizontal adjusting assembly comprises a transverse fixing plate fixedly mounted on one side of the top of the sewage adjusting tank; a first moving groove is formed in the bottom of the transverse fixing plate, a first motor is fixedly installed on one side of the transverse fixing plate, the output end of the first motor is fixedly connected with the first moving groove, and the end, located in the first moving groove, of the first moving groove is in threaded connection with a first moving block; by arranging the transverse horizontal adjusting assembly, the longitudinal horizontal adjusting assembly and the height adjusting assembly, when the device is used, the position of the submersible mixer body in a sewage adjusting tank can be conveniently and flexibly adjusted, the working range of the submersible mixer body is widened, and the practicability of the device is improved.

The utility model relates to the technical field of submersible stirrers, in particular to a submersible stirrer for sewage treatment, which comprises a stirrer body, one end of the stirrer body is fixedly connected with a mounting column, one end of the mounting column is slidably connected with a stirring component, and the outer surface of the mounting column is fixedly connected with a filter tank. A filter screen is fixedly connected to the outer surface of the filter tank, a filter ring is fixedly connected to the outer surface of the filter screen, a fixing ring is fixedly connected to the outer surface of the stirrer body, a supporting plate is fixedly connected to the outer surface of the fixing ring, and a supporting ring is fixedly connected to the outer surface of the supporting plate. And the other end of the stirrer body is fixedly connected with an electric box. Through the arrangement of the filter tank, the filter screen and the filter ring, during use, the mounting column drives the filter tank to operate, the filter tank drives the filter screen to operate, and the filter screen drives the filter ring to operate, so that the effects that a worker can filter and stir sewage and filtered impurities are convenient to clean are achieved.

A submersible mixer intelligent control method and system based on multi-sensor cooperative monitoring relates to the field of sewage treatment, and the method comprises the following steps: arranging multi-parameter sensors at the bottom, the middle and the top of a biochemical pool, and collecting dissolved oxygen concentration, sludge concentration and flow velocity parameters in the biochemical pool through the multi-parameter sensors; calculating a dissolved oxygen concentration gradient value, a sludge concentration gradient value and a flow velocity value between adjacent acquisition points according to the dissolved oxygen concentration, the sludge concentration and the flow velocity parameter, and adjusting a first operation parameter of the submersible stirrer in the target area to a first preset parameter based on a combination relation of the dissolved oxygen concentration gradient value, the sludge concentration gradient value and the flow velocity value; and according to real-time data collected by the multi-parameter sensor, the operation effect after the operation parameters are adjusted is calculated, and when the adjustment effect does not reach the preset effect, the second operation parameters of the submersible stirrers in the adjacent areas are adjusted to second preset parameters. By implementing the method, the sewage treatment effect of the submersible mixer can be improved.

The present invention provides a sewage treatment process regulating device and regulating method, the sewage treatment process regulating device comprises a diverter, the diverter is arranged in front of a submersible mixer; the diverter comprises a fixed plate, an upper diverter plate and a lower diverter plate, the fixed plate is arranged horizontally and is located on the horizontal plane where the axis of the submersible mixer is located; one end of the upper diverter plate is connected to an end of the fixed plate close to the submersible mixer, the upper diverter plate is arranged obliquely above the fixed plate, and the inclination direction is upward and away from the submersible mixer; one end of the lower diverter plate is connected to an end of the fixed plate close to the submersible mixer, the lower diverter plate is arranged obliquely below the fixed plate, and the inclination direction is downward and away from the submersible mixer. A sewage treatment process regulating device and regulating method provided by the present invention adjust the mixing effect in the depth direction of the pool, increase the fluid flow rate in the middle and upper part of the pool, and ensure that the activated sludge is in a suspended state.

The utility model discloses a submersible mixer for anaerobic tank, which comprises a submersible main body, a driving shell, a first mixing shaft, a sun gear, a gear ring, a planetary gear, a second mixing shaft and a mixing mechanism, the driving shell is arranged on the inner top wall of the submersible main body, the lower side of the driving shell is rotatably provided with the first mixing shaft, and the first mixing shaft is rotatably provided with the sun gear; a driving part used for driving the first stirring shaft to rotate is arranged in the driving shell, the sun wheel is connected to the first stirring shaft in a sleeving mode and synchronously rotates along with the first stirring shaft, the gear ring is arranged in the submersible body and covers the outer side of the sun wheel, and a plurality of planetary gears are arranged between the sun wheel and the gear ring. According to the submersible stirrer for the anaerobic tank, the stirring mechanism is driven by the first stirring shaft and the second stirring shaft to perform large-area three-dimensional surrounding stirring on water in the anaerobic tank, so that the stirring effect on the water in the anaerobic tank is enhanced, and the use effect of the device is enhanced.

The utility model discloses an AAO sewage treatment system, including an anaerobic tank, an anoxic tank and an aerobic tank connected in sequence, wherein the anaerobic tank is provided with a first spiral jet stirring tube and / or the anoxic tank is provided with a second spiral jet stirring tube, the first spiral jet stirring tube is connected to the anoxic tank via a first return pipe, and the second spiral jet stirring tube is connected to the aerobic tank via a second return pipe. The utility model eliminates the traditional submersible mixers or perforated aeration pipes (or aeration plates) of the anaerobic tank and the anoxic tank by providing spiral jet stirring tubes in the anaerobic tank and / or the anoxic tank and connecting them to the nitrification liquid return pump and the anoxic to anaerobic return pump of the AAO process, reduces the submersible mixers and blowers, reduces the equipment cost, reduces the power consumption of the power source operation, saves the operating cost, and at the same time reduces the operation and maintenance costs of the submersible mixer or blower.

The utility model discloses a submersible mixer capable of automatically lifting, which relates to the technical field of submersible mixers, and comprises a pool body and a submersible mixer main body, and further comprises a limiting unit and an adjusting unit which are arranged between the pool body and the submersible mixer main body, each limiting unit comprises a rectangular frame plate, a bidirectional lead screw, a supporting transverse strip and an inserting-connection limiting block. The adjusting unit comprises a rectangular box, a vertical lead screw, a rectangular supporting block, a supporting sleeve, a bearing transverse plate and a supporting vertical rod. According to the utility model, the two supporting cross bars in threaded connection with the two-way screw rod are stressed to drive the two groups of plug-in limiting blocks to adjust the distance, the two groups of L-shaped plug-in limiting blocks can be put into the two inverted T-shaped positioning grooves in the top surfaces of the two sides of the pool body after being adjusted and drawn close, and the two groups of plug-in limiting blocks are adjusted and pulled open by reverse operation, so that the distance between the two groups of plug-in limiting blocks can be adjusted. The plug-in limiting block can be clamped into the concave part at the bottom of the positioning groove, so that the equipment is integrally fixed on the tank body, and the equipment is simple and convenient to assemble, disassemble and maintain integrally.

The utility model discloses a circular internal reflux sewage denitrification treatment device which comprises a device main body, a secondary sedimentation tank is arranged in the middle of the device main body, an anoxic zone is arranged in one side of the device main body, an aerobic reflux zone is arranged between the anoxic zone and the secondary sedimentation tank, and a secondary sedimentation tank is arranged in the other side of the device main body. An aerobic zone is arranged at one end, far away from the anoxic zone, in the device main body; the device comprises a device body and an anoxic tank, the anoxic tank is provided with an anoxic area and an aerobic reflux area, the anoxic area is communicated with the aerobic reflux area, water flow inlets and outlets of the anoxic area and the aerobic reflux area are communicated with the aerobic area, a water inlet pipeline is arranged on the device body and communicated with the anoxic area, and the anoxic tank adopts an arc-shaped gallery design, so that mixed liquid flows back and forth along the arc-shaped gallery in the anoxic area by means of the flow pushing effect of a flow pusher; and a submersible stirrer and a nitrification liquid reflux pump of the traditional anoxic tank are omitted. And meanwhile, the water impeller can provide higher nitrification liquid reflux quantity for the anoxic zone, and the energy consumption is lower.

The utility model discloses a self-adaptive frequency conversion submersible mixer. The self-adaptive frequency conversion submersible mixer comprises a submersible mixer body and a sleeve joint retaining ring arranged on the outer side of the submersible mixer body, a shifting buckle is arranged at the position, close to the outer side of the tail end, of the inserting and clamping block, a second extrusion spring is arranged at the tail end of the inserting and clamping block, a first extrusion spring is arranged in the position, close to the tail end, of the inserting and clamping block, an extrusion metal ball is arranged at the position, close to the upper side of the first extrusion spring, of the inserting and clamping block, and a pressing button is arranged in an inserting groove; when the small metal balls are extruded to the positions of the insertion grooves, the small metal balls can be clamped under the extrusion action of the first extrusion springs, and the insertion clamping blocks can be inserted again by pressing the pressing buttons; through the improvement, when the hook is inconvenient to disassemble, the hook can be taken down by retracting the insertion clamping block, so that the disassembly efficiency is effectively improved, and the practicability of the diving stirring and filing machine in use is improved.

The invention relates to a device and method for installing a submersible mixer without production halt under the condition that a sewage plant site is limited, the device comprises a positioning truss, the positioning truss is provided with a rectangular installation space, and at least three guide rail sliding grooves extending to the bottom of the positioning truss are formed in the rectangular installation space of the positioning truss; an inflation air bag is arranged on the guide rail sliding groove in a sliding mode, the inflation air bag is connected with an inflation pipe, the inflation pipe is connected with an air pump, and the inflation air bag is used for completing lowering and installation of the mixer concrete foundation by adjusting the inflation state of the inflation air bag after the mixer concrete foundation is poured. Proper buoyancy is provided for the concrete foundation of the mixer by controlling expansion and contraction of the air bag, so that water-carrying installation operation of the foundation of the submersible mixer can be completed without depending on large hoisting equipment, normal production and operation of a sewage plant in the whole process are allowed in the installation process, water pumping, inverted drainage and even shutdown and production stopping are not needed, and the installation efficiency is improved. The construction time and cost are greatly saved, the working efficiency is improved, and the economic benefit is remarkable.

The invention provides a method for determining optimal installation parameters of a submersible mixer, which comprises the following steps of: installing the submersible mixer at different positions of a water pool, and calculating the average speed of fluid, the flow velocity uniformity of the fluid, the invalid mixing volume ratio and the efficient mixing volume ratio; finding out the position with the maximum slope on a curve graph through the curve graph of the installation position variable and the fluid average speed, preliminarily deducing a plurality of optimal installation positions, and determining an optimal installation position by combining the uniformity of the fluid speed and the proportion peak value of the invalid stirring volume and the efficient stirring volume; the method comprises the following steps: installing a submersible mixer at an optimal installation position, setting a plurality of horizontal inclination angles, respectively calculating the average speed of the fluid in a stirring flow field when the submersible mixer is installed at different angles, and finding out a fitting curve of the average speed of the stirring fluid and the deflection angle at different installation angles; the horizontal inclination angle corresponding to the maximum speed curve change rate in the curve is the optimal mounting angle. According to the invention, the optimal installation parameters of the submersible mixer can be quickly and conveniently found.

This invention relates to the field of wastewater comprehensive utilization technology and discloses a water purification processor for power plant circulating cooling water. The processor comprises, in sequence, a denitrification tank, a secondary sedimentation tank, a flocculation sedimentation tank, an ozone contact oxidation tank, a BAF booster tank, a BAFDN tank, a BAFDC tank, a BAF permeate tank, a fiber disc filter, and a purified water tank. The denitrification tank is connected to the circulating water discharge via a pump, and a submersible mixer is fixedly installed inside the denitrification tank. To stably and efficiently remove total nitrogen from wastewater and ensure stable and controllable denitrification, this water purification processor for power plant circulating cooling water installs a submersible mixer in the denitrification tank, along with a first carbon source dosing device, to precisely control the dissolved oxygen (DO) in the tank to ≤0.5 mg / L, creating an anoxic environment. Simultaneously, a sludge return pump from the secondary sedimentation tank returns activated sludge to the denitrification tank to maintain a stable sludge concentration, thereby achieving stable total nitrogen removal and laying the foundation for subsequent advanced treatment.

The utility model discloses an energy-saving submersible mixer, which relates to the technical field of mixers, and comprises a guide frame, one side of the upper end of the guide frame is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first screw rod, and the first screw rod is rotatably connected in the guide frame; and the outer surface of the first screw rod is in threaded connection with a moving plate. By the adoption of the structure, when the stirrer body needs to be moved out of sewage, the first motor is used for driving the first lead screw to rotate, the movable plate on the surface of the first lead screw slides on the guide frame, the stirrer body on the movable plate can stretch out of the sewage, and then the positioning assembly is operated to work through the locking assembly; and one side of the positioning assembly is separated from the slot in the mounting block, so that the mounting block can be taken down from the mounting groove of the movable plate, the purpose of quickly disassembling and maintaining the stirrer body is achieved, convenience is provided for maintenance personnel, and the maintenance efficiency is greatly improved.

The utility model discloses a permanent magnet energy-saving submersible mixer, which relates to the technical field of mixers, and comprises a protection unit, a driving unit and a heat dissipation unit arranged in the protection unit, and a mixing unit arranged below the protection unit, the driving unit comprises a driving motor mounted in the protection unit, a transmission shaft mounted at the output end of the driving motor, and a stirring seat mounted at the end part of the transmission shaft; the heat dissipation unit comprises a rotating disc installed on the side wall of the transmission shaft, fan blades installed on the side wall of the rotating disc and heat dissipation fins installed on the side wall of the protection unit. According to the permanent magnet energy-saving submersible mixer, through the arrangement of the driving unit and the heat dissipation unit, the internal temperature of the submersible mixer during continuous use is reduced, and the use performance of a motor is improved.

The utility model relates to the technical field of muddy water separation devices, in particular to a floating type muddy water separation device for discharging muddy water, which comprises a treatment tank and a mounting assembly, the mounting assembly comprises a transverse plate, a winding component, a filter cartridge, a floating plate, a mounting groove, a locking bolt, a connecting component, a communicating pipe, a water pump, a connecting plate and a limiting rod; a plurality of submersible stirrers are arranged at the bottom; after uniform mixing, the slurry is pumped into a filter press for dehydration; the dehydrated clear water is recycled; filter-pressed mud cakes are conveyed out and are changed along with the water level through a floating plate, the clear water on the upper layer is pumped by a water pump, and silt is filtered through a filter cartridge, so that the water pump is prevented from pumping out; the filter cartridge is fixed in the mounting groove through a locking bolt and is convenient to disassemble, the filter cartridge is connected with the communicating pipe through a connecting component, when the filter cartridge needs to be disassembled, the floating floating plate is lifted to a proper height through a winding component, and a limiting rod is used for limiting the sliding direction of the floating plate.

The utility model discloses a submersible mixer mounting bracket, which relates to the technical field of submersible mixers, and comprises a hollow rectangular frame plate, a frame-shaped sleeve plate movably sleeved outside the rectangular frame plate, a submersible machine main body, a limiting unit and an adjusting unit arranged on the rectangular frame plate and the frame-shaped sleeve plate, the limiting unit comprises a two-way screw rod, a supporting batten and an abutting rubber block; the adjusting unit comprises a strip-shaped box, a vertical screw rod, a supporting transverse plate, an expansion column and a mounting plate, the two supporting strip plates in threaded connection with the two-way screw rod move relatively under the stress effect, and the distance between the two supporting strip plates on the outer side of the frame-shaped sleeve plate can be adjusted; the two abutting rubber blocks are driven by the two supporting battens, the distance can be adjusted to clamp the outer side wall of the top end of the reaction tank or abut against the inner side wall of the top end of the reaction tank, then the device is fixed to the reaction tank, after the two abutting rubber blocks are pulled back through reverse operation, the device can be taken away from the reaction tank, and the device can be disassembled and assembled on the reaction tank easily in a labor-saving mode.

The utility model provides a mode-adjustable sewage treatment system and relates to the technical field of sewage treatment. The system comprises an anaerobic tank, an anoxic tank, a facultative tank, an aerobic tank and a sedimentation tank which are sequentially communicated, wherein a facultative tank aeration device and a facultative tank submersible stirrer are arranged in the facultative tank; the system further comprises a control unit and a water quality detector, and the control unit is arranged to open or close the facultative tank aeration device and the facultative tank submersible stirrer according to a detection signal of the water quality detector. According to the mode-adjustable sewage treatment system disclosed by the utility model, the facultative tank is arranged, and nitration reaction and denitrification reaction are flexibly switched and changed, so that the phenomenon of unstable effluent caused by unstable quality and quantity of inlet water and large fluctuation of the integrated sewage treatment equipment is effectively improved and promoted; the sewage treatment effluent is stable and meets the effluent quality requirement.

The utility model provides a novel continuous feeding device for solid bactericide, which belongs to the technical field of water treatment equipment and comprises a frame, a bactericide supply component, a submersible mixer, a lifting component, a liquid storage bottle and a liquid outlet pipe. Water is mixed with a fixed amount of bactericide liquid in the storage barrel, water can be continuously added into the bactericide liquid to complete dilution, and then the fixed amount of bactericide liquid is continuously pumped through the metering pump and conveyed into the liquid storage bottles, so that the concentration of the fixed body bactericide liquid required during continuous adding is effectively guaranteed, and manual repeated proportioning is not needed; by means of the metering pump, different batches of evenly-mixed bactericide solutions can be quantitatively pumped and conveyed into different liquid storage bottles, electromagnetic valves of the liquid storage bottles are opened one by one during adding, the bactericide solutions with different concentrations in the liquid storage bottles are output, automatic continuous adding is carried out, and continuous adding is more convenient.

The invention discloses an adjusting tank and biochemical tank double-layer combined water treatment device, and belongs to the technical field of water treatment. The device comprises an adjusting tank and an equipment room which are positioned on the lower layer, a biochemical tank positioned on the upper layer, and stairs for connecting all the layers, the outer contour of the overhaul well arranged in the adjusting tank is completely located outside the orthographic projection range of the bottom plate of the biochemical tank, an independent vertical overhaul channel is formed, and the problem that an upper tank body must be stopped during overhaul of lower-layer equipment of a traditional double-layer structure is solved; a plurality of water ejectors are arranged in the adjusting tank along the short edge direction to replace a submersible stirrer with a high failure rate, and are matched with a flow guide structure to generate a spiral upwelling flow state to form a cross jet flow field covering the whole tank; the water outlet well of the biochemical pool is provided with a three-stage drop weir to gradually attenuate the kinetic energy of water flow; the equipment room is integrally arranged on one side of the bottom of the biochemical pool and is provided with an independent access; the stairs start from the outdoor terrace, the middle platform communicates with the top of the overhaul well, and the top platform communicates with the top of the biochemical pool to form a complete vertical traffic system. The device integrates the three-dimensional space of the regulating tank and the biochemical tank, saves the occupied area, ensures reliable operation and convenient maintenance, and is suitable for the reconstruction engineering construction of a sewage treatment plant with shortage of land.

The sealing structure comprises a machine shell and a driving assembly, a sealing mechanism is arranged in the machine shell, the sealing mechanism comprises a sealing body fixedly installed on the inner wall of the left side of the machine shell, a first sealing ring is fixedly installed in the sealing body, and a second sealing ring is fixedly installed in the sealing body. And two electric telescopic rods are fixedly mounted in the sealing body. Under the action of the sealing structure, the sealing body, the electric telescopic rod and the pressing plate of the submersible mixer, the pressing plate provides certain external thrust for the first sealing ring through the thrust of the electric telescopic rod, so that the first sealing ring is tightly attached to the peripheral wall of the rotating shaft, and the abrasion loss between the first sealing ring and the rotating shaft is compensated; meanwhile, through the action of a bearing, a second sealing ring and a connecting ring, the submersible mixer is installed in the rotary drum, the sealing performance between the machine shell and the rotary shaft is improved, and external water is made to be difficult to enter the interior of the machine shell.

The utility model relates to the technical field of mixer blade, especially to an explosion -proof submersible mixer blade, including the mounting bush, the mounting bush is the cylinder structure, the surface of mounting bush is equipped with a plurality of mounting holes for connecting with motor shaft, the mounting hole is along the both ends of mounting bush symmetry distribution setting, a plurality of blades are fixedly arranged on the outer wall of mounting bush, the end of blade is provided with curved end head. This scheme provides high -strength support through stainless steel base layer, polyurethane buffer layer absorbs fluid impact vibration, aluminium alloy reinforcing framework promotes compression resistance and torsion resistance, carbon fiber surface layer ensures form stability, fluorocarbon coating enhances corrosion resistance, the synergistic effect of the multiple materials makes the blade effectively resist deformation, fracture and corrosion in high -speed rotation or high resistance fluid environment, greatly prolongs the service life, the spiral head and the positioning block structure set up on the blade surface can form complex turbulence in the stirring process, and the fluid mixing effect is significantly improved.

The utility model discloses a submersible mixer with an anti-winding function. The submersible mixer comprises an absorber, an impeller, a mechanical seal, a mechanical seal seat and a submersible electric pump, the submersible electric pump comprises a pump body and a rotor shaft, and the rotor shaft is arranged in the middle of the pump body. The mechanical sealing seat penetrates through the rotor shaft, is arranged at the end part of the pump body and is connected with the pump body; the mechanical seal penetrates through the rotor shaft and is arranged on the mechanical seal seat; the impeller is arranged at the end part of the rotor shaft and is connected with the rotor shaft; the impeller is in clearance fit with the mechanical sealing seat; a cavity is formed between the impeller and the mechanical seal seat, the mechanical seal is located in the cavity, and the absorber is arranged in the cavity and connected with the impeller. By arranging the auxiliary blade and the absorber, the auxiliary blade generates circulating fluid in the cavity, the circulating fluid drives fine fibers to flow, and the absorber intercepts the fine fibers, so that water in the cavity is purified, and reliable operation of the mechanical seal is guaranteed.

The utility model discloses a high-ammonia-nitrogen wastewater treatment device based on a zeolite and MBR combined process. The high-ammonia-nitrogen wastewater treatment device comprises an adjusting tank, a biochemical reaction tank, an MBR membrane tank, a reflux tank and a water producing tank, the interior of the biochemical reaction tank is divided into an anoxic zone and an aerobic zone by a first partition plate, a submersible stirrer is arranged in the anoxic zone, an aeration device is arranged in the aerobic zone, zeolite particles are filled in the anoxic zone, a grid mesh for intercepting the zeolite particles is arranged at an overflow port of the aerobic zone, and an MBR membrane assembly is arranged in the MBR membrane tank; the regulating tank is connected with the biochemical reaction tank through a lifting pump and a lifting pipeline, the anoxic zone, the aerobic zone, the MBR membrane tank and the reflux tank are in overflow connection in sequence, the reflux tank is connected with the anoxic zone through a reflux pump and an external reflux pipeline, and the MBR membrane assembly is connected with the water producing tank through a water producing pump and a water producing pipe. The device can improve the treatment efficiency and treatment effect of the ammonia-nitrogen wastewater and improve the effluent quality.

The utility model relates to submersible mixer technical field, and disclose the submersible mixer of improvement mechanical seal operating condition, including submersible mixer body, one set of limiting mechanism is equipped with symmetrically to submersible mixer body end part, the surface of submersible mixer body is equipped with auxiliary mechanism, the limiting mechanism includes fixed plate, the fixed plate is fixed in submersible mixer body end part, the fixed plate inside swing has the guide plate, the utility model scheme effectively drives the translation of locating plate through the rotation screw, thereby adjusts the interval between a set of locating plate, can according to actual installation environment flexible adjusting the position of locating plate, makes submersible mixer body under different operating conditions can realize accurate positioning installation, the setting of T type buffer rubber pad can effectively absorb the vibration that equipment generates when operating, reduces the component wear and tear due to the vibration, reduces the possibility that the sealing part sealing performance weakens, and the fixation between locating plate and underwater support is completed through the hexagon bolt.

The application relates to a method and system for intelligent control of a submersible mixer based on multi-sensor cooperative monitoring, and relates to the field of sewage treatment. The method comprises the following steps: multiple-parameter sensors are arranged at the bottom, middle and top of a biochemical tank; the dissolved oxygen concentration, sludge concentration and flow velocity parameters in the biochemical tank are collected through the multiple-parameter sensors; the dissolved oxygen concentration gradient value, sludge concentration gradient value and flow velocity value between adjacent collection points are calculated according to the dissolved oxygen concentration, sludge concentration and flow velocity parameters; the first running parameter of the submersible mixer in the target area is adjusted to the first preset parameter based on the combination relationship of the dissolved oxygen concentration gradient value, sludge concentration gradient value and flow velocity value; the running effect after the adjustment of the running parameter is calculated according to the real-time data collected by the multiple-parameter sensors; and the second running parameter of the submersible mixer in the adjacent area is adjusted to the second preset parameter when the adjustment effect does not reach the preset effect. The method can improve the sewage treatment effect of the submersible mixer.

The utility model discloses a submersible mixer motor bearing, which relates to the motor bearing field, and comprises an outer ring and an inner ring, the inner ring is sleeved in the outer ring, the clearance between the outer ring and the inner ring is matched to form a ball cavity, a plurality of balls are arranged in the ball cavity, and the two ends of the inner ring along the axis direction are rotatably connected with annular plates. The inner sides and the outer sides of the annular sealing plates abut against the annular plates and the outer ring correspondingly, the two ends of the ball cavities are sealed through the sealing structures, and at the moment, the multiple balls stably rotate through the insertion structures between the two annular sealing plates; meanwhile, the inner ring rotates between the two annular plates, stable rotation of the motor output shaft is achieved, friction between the annular sealing plates and the inner ring and the outer ring is avoided in the process that the inner ring rotates along with the motor shaft, liquid is prevented from permeating into the bearing, the waterproof effect of the bearing is improved, and the service life of the bearing is prolonged.

A dynamic efficient submersible stirring device for a biological tank comprises a supporting track, a walking device, a posture adjusting device, a lifting device and a double-impeller submersible stirrer. The supporting track is arranged on the biological tank, and the walking device is arranged on the supporting track and can walk on the supporting track; the posture adjusting device comprises a mounting frame rotationally mounted on the walking device, and the double-impeller submersible stirrer is rotationally mounted on the mounting frame; the lifting device comprises a base mounted on the biological tank, a rotating frame is rotatably mounted on the base, a lifting frame is slidably mounted on the rotating frame, and a connecting rail is fixedly mounted on the lifting frame; and the walking device intermittently enters the connecting track. Moving and rotating actions of the double-impeller submersible stirrer in the biological tank are achieved, and at the end of the biological tank, the double-impeller submersible stirrer can automatically rotate to the maximum inclination angle and then reset to the horizontal state while rotating along with the whole mounting frame, so that the double-impeller submersible stirrer accurately reaches corner blind areas such as four corners of a rectangular tank and the like which are difficult to consider by a traditional device.