86 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 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.

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 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 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.

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 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 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 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 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 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.

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.

The utility model discloses an anti-vortex submersible mixer, which relates to the technical field of submersible mixers.The anti-vortex submersible mixer comprises a base, the upper end of the base is symmetrically and fixedly connected with fixing plates, the upper end of the base is slidably connected with a moving seat, the upper end of the base is provided with a moving assembly, the upper end of the moving seat is fixedly connected with a fixing seat, and the upper end of the fixing seat is fixedly connected with a mounting plate; one end of the mounting plate is movably connected with an assembling plate, the other end of the assembling plate is provided with a flow guide cover, one end of the assembling plate close to the flow guide cover is provided with a submersible mixer body, one end of the assembling plate far away from the submersible mixer body is symmetrically and fixedly connected with assembling blocks, and fixing assemblies are symmetrically arranged in the assembling blocks. By the adoption of the structure, maintenance personnel can rapidly access parts needing to be maintained or replaced, the process of maintenance work is greatly simplified, maintenance time and cost are reduced, the maintenance personnel can rapidly position and replace fault parts, and downtime is shortened.

The utility model relates to the technical field of stirring devices, in particular to a submersible stirrer which comprises a driving device and a stirring paddle, the driving device drives the stirring paddle to rotate, the submersible stirrer further comprises a flow guide channel, the flow guide channel is supported through a supporting frame, and the stirring paddle extends into an inlet of the flow guide channel. And the outlet of the flow guide channel is gradually narrowed. According to the utility model, the flow guide channel is additionally arranged on the stirring paddle to achieve the flow pushing effect, and the outlet of the flow guide channel is of a gradually narrowed structure, so that the pressure at the outlet of the channel can be greatly increased, the fluid is pushed in a longer range, and the flowing and mixing effects are enhanced; and moreover, through the flow guide channel, when the medicament is added near the impeller, the medicament can be quickly and uniformly mixed in a relatively small range.

The utility model is suitable for the technical field of sewage treatment, and provides a submersible stirrer for sewage treatment, which comprises a submersible stirrer body for stirring sewage, the mounting frame is arranged on one side of the submersible mixer body and is used for mounting the submersible mixer body; the mounting seat is assembled on one side of the mounting frame, a mounting shaft is rotationally mounted on the mounting seat, and the mounting shaft is fixedly connected with the mounting frame; the adjusting mechanism is arranged on the mounting seat and the mounting shaft and is used for adjusting the stirring direction of the submersible stirrer body; and the moving mechanism is arranged on the mounting shaft and the submersible mixer body and is used for moving the use height of the submersible mixer body. According to the scheme, the submersible stirrer for sewage treatment can be used for stirring sewage, and the height and direction of sewage stirring can be adjusted, so that the sewage treatment range is enlarged, and the sewage treatment effect is improved.

The present application belongs to the technical field of submersible mixers, and particularly relates to a submersible mixer hydraulic oil cooling module, which comprises a submersible mixer body, a pipeline assembly pipeline, and a fixing plate, the fixing plate is fixedly connected with the bottom of the pipeline assembly pipeline, the submersible mixer body is installed on the fixing plate, the submersible mixer body and one side of the pipeline assembly pipeline are provided with a same shell pipe, the shell pipe is bended, one end of the shell pipe is butted with the submersible mixer body, a gear ring is fixedly arranged outside the rotating head of the submersible mixer body, a rotating shaft is arranged outside the submersible mixer body, a gear meshing with the gear ring is arranged at the end of the rotating shaft, a cooling device is arranged on the shell pipe, and one end of the rotating shaft is synchronously connected with the cooling device and a hydraulic oil underwater pipe. The present application can independently output the cooling pipeline and follow the rotating speed of the submersible mixer to output corresponding cooling power operation, compared with the traditional method of installing the cooling pipeline by using existing components.

The submersible mixer is provided with a hanging ring, the tail end of the submersible mixer is fixedly connected with a tail sleeve, the lower end face of the tail sleeve is provided with an insertion groove, and the upper end of the tail sleeve is provided with an insertion hole communicated with the insertion groove; the submersible stirrer is provided with a supporting table used in cooperation with the submersible stirrer, a positioning column is fixedly installed on a carrying plate of the supporting table, the positioning column is inserted into the inserting groove and limits the submersible stirrer, the upper end of the positioning column is fixedly connected with a guide rod, and the guide rod is inserted into the inserting hole; the guide rod is sleeved with a rod sleeve, the lower end of the rod sleeve is a butt joint port, and the butt joint port is in butt joint with the upper end of the tail sleeve and seals the insertion hole. Scaling in the tail sleeve and on the outer wall of the guide rod is greatly reduced, and then the submersible mixer can be taken out and cooled conveniently.

The present invention relates to a volume-variable CSTR anaerobic fermentation tank, comprising a fermentation tank body. The fermentation tank body consists of a top cover and a tank body, the bottom of the tank body being connected to a tank foundation, and the interior of the tank body being divided into a jacking zone at the bottom and a fermentation zone at the top by means of an intermediate sealing layer; the bottom of the intermediate sealing layer is provided with a plurality of jacking units that extend and retract under the control by a controller; and the jacking units can drive the intermediate sealing layer to descend and ascend, thereby changing the volume of the fermentation zone. By means of the descending and ascending of the jacking units, the volume of the fermentation zone in the fermentation tank body may vary along with the fluctuation of feed quantities, so that the hydraulic retention time of the inside of the tank tends to be stable, thereby ensuring fermentation effect. Submersible agitators and crust-breaking agitators for breaking crusts are applied, which avoid affect on the progress of fermentation reactions, such that the fermentation effect and biogas yield are improved while reducing energy consumption, thereby further ensuring fermentation effect.

The utility model relates to the field of submersible stirrers, in particular to a plug-flow aeration integrated submersible stirrer which comprises a bracket shell, and the air inlet chamber is fixedly installed on one side of the support shell and used for conveying air, an air inlet pipe is arranged above the air inlet chamber, and a driving motor is fixedly arranged on one side of the air inlet chamber. According to the plug-flow aeration integrated submersible stirrer, the air inlet chamber, the air inlet pipe, the driving motor, the rotating shaft, the flow dividing cylinder, the stirring blades and the aeration piece are arranged, and the driving motor drives the rotating shaft to rotate, so that negative pressure is generated in the rotating process of the stirring blades and the aeration piece; a large amount of air enters the air inlet chamber from the air inlet pipe, then enters the rotating shaft from the flow dividing cylinder and is transmitted into the aeration piece for aeration through the rotating shaft, and air bubbles generated in the front aeration piece are pushed through water flow generated by the rotating stirring blades, so that the aeration range is expanded, and flow pushing and aeration integration is formed.

The utility model relates to submersible mixer technical field, and disclose a submersible mixer with cutting function, the new scheme, including submersible mixer, the submersible mixer's stirring fan blade bottom is installed with carousel, the bottom of carousel is placed with support disc, the stirring fan blade of submersible mixer is connected with the square block between carousel, the utility model discloses the "scissors type" cooperation structure is formed between the initiative cutting knife and passive cutting knife, the initiative cutting knife rotates with stirring fan blade, and forms the relative movement with passive cutting knife, and the impurity that enters the guide bush is sheared, compared with the cutting mode of single group rotary blade, can more thoroughly cut off fiber, stubborn impurities such as strip, greatly reduces the risk of entanglement, and after the lock bolt is unscrewed, the passive cutting knife and initiative cutting knife can be taken out from the guide bush quickly, so as to realize the quick disassembly replacement effect of cutter, significantly simplify the replacement and maintenance process of cutter head.

A submersible mixer fixing frame for stripper treatment is arranged on the inner wall of a treatment pond and comprises a concave rail, a pair of middle plates are arranged on the inner side of the concave rail and located on the inner side of the concave rail, installation wing plates are arranged on the inner sides of the middle plates and installed on the inner wall of the treatment pond through bolts, a plurality of positioning holes are formed in the middle plates, and the positioning holes are communicated with the concave rail. Sliding pieces are arranged on the two sides of the concave rail in a sliding mode respectively, a movable plate is installed at the inner side ends of the sliding pieces, an installation base is installed on the movable plate, a motor is installed on the installation base, an output shaft of the motor is connected with a stirring impeller, inserting rods are arranged on the sliding pieces in a penetrating mode, and the inserting rods are arranged on the positioning holes in a penetrating mode. By means of the sliding piece and the concave rail, the X-axis direction and the Z-axis direction of the movable plate and the stirrer on the movable plate can be limited, so that the stirrer can only move in the Y-axis direction, in order to further position the stirrer, an insertion rod is further arranged on the sliding piece in a penetrating mode, and when the insertion rod is inserted into a positioning hole, the insertion rod can move in the Y-axis direction. Therefore, the purpose of positioning the stirrer is achieved.

The present invention discloses a multi-directional propulsion type submersible mixer with a filtering function, which relates to the technical field of submersible mixers. A multi-directional propulsion type submersible mixer with a filtering function includes a fixed ring, etc.; the fixed ring and the connecting ring are both fixedly connected to the sludge tank, the fixed ring and the connecting ring are both rotatably connected with rotating columns, symmetrically distributed support shells are fixedly connected between the symmetrically distributed rotating columns, the support shell is provided with a T-shaped chute, a T-shaped slider is slidably connected in the T-shaped chute of the support shell, an installation ring is fixedly connected between the symmetrically distributed T-shaped sliders, a cable is arranged on the installation ring through a buckle, the installation ring is fixedly connected with circumferentially distributed arc-shaped support plates, and a double-shaft motor is arranged in the installation ring. By swinging the double-shaft motor, the position of the impeller on the double-shaft motor is changed, so as to push the sewage in the sewage tank in multiple directions and increase the flow rate of the sewage near the submersible mixer of the present invention.

The utility model relates to the technical field of wastewater treatment, in particular to a sequencing batch reaction device for removing total DNA (Deoxyribose Nucleic Acid) in sewage based on a ferrate and calcium sulfite coupling system. The reaction device comprises an active species generation zone, a reaction zone and a precipitation zone. The active species generation area is provided with a potassium ferrate and calcium sulfite liquid inlet, a reaction liquid outlet and a controllable stirring paddle, and a hose communicated with the reaction area is arranged at the bottom of the active species generation area; the reaction area is provided with an acid-base liquid inlet, a pH probe, a submersible stirrer, a reaction liquid inlet, a sewage sample inlet and a liquid medicine outlet, and a hose communicated with the settling area is arranged at the bottom of the reaction area; and the settling zone is of a funnel-shaped structure. According to the sewage treatment device, potassium ferrate and calcium sulfite are ensured to be fully mixed in the active species reaction zone through effective partitioning, so that the utilization efficiency of a medicament is improved, the medicament and sewage are fully mixed in the reaction zone, pollutants are removed, flocculates are removed through gravity settling in the settling zone, and the total DNA in the sewage is effectively removed.