43results about How to "Improve the magnetic effect" patented technology

The invention discloses a graphene magnetic wave-absorbing material and a preparation method and application thereof.A one-step hydrothermal method is creatively adopted for compounding a magnetic loss type material (CoFe2O4) and a resistance loss type material (RGO) to prepare a novel efficient wave-absorbing performance material, specifically, an iron source and a cobalt source are dispersed into an RGO solution, then sodium acetate and polyethylene glycol are dissolved in the RGO solution, cooling is conducted after heating reaction, and the graphene magnetic wave-absorbing material is obtained. And separating, washing and drying to obtain the product. According to the graphene magnetic wave-absorbing material, the optimal impedance matching and the excellent attenuation characteristic are achieved through the synergistic effect of the two components, and the excellent electromagnetic wave absorbing performance is shown under various thicknesses or even ultra-thin thicknesses. In addition, the material source is wide, the cost is low, the preparation process is green, simple and feasible, the method is suitable for large-scale production, and a theoretical method and a preparation route are provided for application in the aspect of electromagnetic wave absorption in the national defense and civil fields.

The invention provides a rotor structure and a motor. The rotor structure comprises a rotor iron core (11), a first permanent magnet (12) and a second permanent magnet (21), the rotor iron core (11) is provided with an installation groove, the first permanent magnet (12) is installed in the installation groove, and the axial height of the first permanent magnet (12) is larger than that of the rotor iron core (11) in the axial direction of the rotor iron core (11); the second permanent magnet (21) is arranged at the axial end part of the rotor iron core (11), the second permanent magnet (21) is of an integral structure, a through groove (22) is formed in the second permanent magnet (21), and at least one end of the first permanent magnet (12) extends out of the rotor iron core (11) along the axial direction and is inserted into the through groove (22); the second permanent magnet (21) further comprises annular parts (23) and magnetic pole parts (24), and the magnetic pole parts (24) are connected into a whole through the annular parts (23). According to the rotor structure, the magnetic gathering effect of the motor can be effectively improved, and the comprehensive utilization rate of the permanent magnets is improved.

The invention relates to the technical field of pelvic floor magnet therapy, and discloses a pelvic floor magnet therapy device which comprises a hollow magnet therapy coil and further comprises a magnetic induction box with a top cover with ventilation holes. One end of each movable enclasping support is fixed on the lateral inner wall of the magnetic induction box, and the other end of each movable enclasping support is an arc-shaped positioning surface close to the hollow magnetic therapy coil; the at least one heat insulation pad is configured between the bottom of the magnetic induction box and the hollow magnetic therapy coil; wherein the hollow magnetic therapy coil is movably arranged on the heat insulation pad and is also positioned in the arc-shaped positioning surface of the movable holding support. According to the pelvic floor magnetic therapy device, the installation performance and the easy maintenance performance of the hollow magnetic therapy coil are improved, the overall heat dissipation performance of the device is enhanced, noise is reduced, the magnetic gathering effect is enhanced, the performance of the pelvic floor magnetic therapy device is not affected even if a patient can take the pelvic floor magnetic therapy device for a long time, the use comfort performance of the pelvic floor magnetic therapy device is improved, and the service life of the pelvic floor magnetic therapy device is prolonged.

The invention relates to the technical field of engine lubricating oil ferromagnetic particle electromagnetic monitoring, and discloses an aero-engine lubricating oil ferromagnetic particle magnetic sensor, which is characterized in that a double-shell structure magnetic sensor is designed and is connected in series on an oil return pipe section of an engine lubricating oil system, a U-shaped magnet is packaged in the second shell part, a middle channel of the U-shaped magnet serves as a lubricating oil flowing channel, a conductive coating is arranged on the inner side face of the opening end of the U-shaped magnet, and meanwhile an electric isolation layer is further arranged to ensure that electrodes at the two ends of the U-shaped magnet have the switch function. When the space between the electrodes at the two ends of the U-shaped magnet is filled with the ferromagnetic particles, an alarm signal can be sent out, and effective capturing and monitoring of the ferromagnetic particles in an engine oil system are achieved. The improved magnetic attraction sensor structure greatly enhances the magnetic attraction effect, so that the improved magnetic attraction sensor structure has higher accuracy and reliability when being used for online lubricating oil monitoring.

The invention provides a double-magnetic-source magnetofluid sealing device and a cooling control system and method.The double-magnetic-source magnetofluid sealing device comprises a shell, a rotating shaft is rotationally installed in the shell through a bearing, an inner pole shoe, a permanent magnet sleeve and an inner permanent magnet are installed on the rotating shaft, and the bearing and the inner pole shoe are axially limited through the sleeve; an outer pole shoe and an outer permanent magnet are mounted in the shell through radial positioning; the shell is provided with a water inlet, the water inlet is communicated with a cooling water path in the shell, and an outlet of the cooling water path is connected with the water outlet; the shell is provided with a plurality of magnetofluid supplementing ports used for supplementing magnetofluid, and the magnetofluid supplementing ports are communicated with the tooth groove holes in the pole shoes. And the magnetic fluid supplementing port is also used as a temperature measuring port for measuring temperature. By additionally arranging the inner pole shoes and the inner permanent magnets on the shaft, the magnetic gathering performance of the pole shoes is greatly enhanced, the magnetic leakage of the device is reduced, and the magnetomotive force of a magnetic loop is enhanced, so that the magnetic induction intensity of a sealing gap is improved, and the pressure resistance of the device is improved.

The invention provides a rotor structure and a motor. The rotor structure comprises a rotor iron core (11), a first permanent magnet (12) and a second permanent magnet (21), the rotor iron core (11) is provided with an installation groove, the first permanent magnet (12) is installed in the installation groove, and the axial height of the first permanent magnet (12) is larger than that of the rotor iron core (11) in the axial direction of the rotor iron core (11); the second permanent magnet (21) is of an integral structure and comprises an axial portion (211) arranged at the axial end of the rotor core (11), a groove (213) is formed in the axial portion (211), and the part, extending out of the rotor core (11) in the axial direction, of the first permanent magnet (12) is inserted into the groove (213). According to the rotor structure, the magnetic gathering effect of the motor can be improved, the axial end magnetic leakage of the first permanent magnet is reduced, the number of parts is small, the number of assembling steps is small, assembling is easy, and the production cost is low.

The invention discloses a magnetic telescopic charging wire body, and belongs to the technical field of charging wires, the magnetic telescopic charging wire body comprises an inner core, and two sides of the inner core are provided with a first soft magnet and a second soft magnet; the outermost sides of the first soft magnet and the second soft magnet are opposite in magnetic pole; the middle of the inner core is bent for the first time and bent for the second time; by means of the first bend and the second bend, the charging wire body can be automatically contracted together in a disc shape from the middle, the telescopic purpose is achieved, and in the contraction process, the first soft magnet and the second soft magnet on the two sides are attracted after being attached to each other, and the disc-shaped charging wire body is prevented from being accidentally scattered.

This application relates to the field of vest technology, disclosing a reflective warning vest, including a vest, an arc-shaped magnetic plate, a magnetic base, a warning light, a magnetic plate, a photovoltaic panel, a storage battery, and a control box. In use, in dimly lit environments at night, the warning light can be activated via the control box to serve as a warning, making it easily observable and alerting others to avoid the area. During this time, the storage battery continuously consumes its charge. In well-lit environments during the day, the photovoltaic panel utilizes the photovoltaic effect at the semiconductor interface to directly convert solar energy into electrical energy, which is then stored in the storage battery to charge it. This compensates for the nighttime power consumption and enables automatic battery charging. Therefore, there is no need to repeatedly remove and recharge the battery, saving time and effort and offering the advantage of ease of use.

The utility model belongs to the technical field of pneumatic diaphragm pump equipment, and particularly relates to a pneumatic diaphragm pump convenient to clean, which comprises a pipeline main body mechanism, a diaphragm, a ball valve, an air cylinder mechanism, a pneumatic pump diaphragm cavity, a magnetic cleaning mechanism and a cleaning pipe mechanism, the magnetic cleaning mechanism comprises a magnetic cleaning cushion block, a first magnetic part and a second magnetic part, the magnetic cleaning cushion block is attached to the inner side face of a cavity body of a diaphragm cavity of the pneumatic pump, the first magnetic part is attached to the outer side face of the side wall of the diaphragm cavity, the second magnetic part is attached to the top face of a top plate of the diaphragm cavity, and the cleaning pipe mechanism comprises a liquid inlet cleaning pipe and a liquid outlet cleaning pipe; compared with the prior art, the magnetic cleaning cushion block has the advantages that the magnetic cleaning cushion block moves correspondingly through the movement of the second magnetic part on the top face of the outer side wall of the pneumatic pump diaphragm cavity body, so that cleaning work on the basis that the pneumatic diaphragm pump is not disassembled is achieved, and the cleaning effect is good.

A motor rotor with an inner iron core and an outer iron core comprises a rotor shaft, the inner iron core and the outer iron core, the inner iron core is circumferentially fixed on the rotor shaft, a U-shaped magnetic steel groove is arranged between the outer iron core and the inner iron core, three pieces of magnetic steel are arranged in the U-shaped magnetic steel groove, the first magnetic steel and the third magnetic steel are symmetrically arranged on two sides in the U-shaped magnetic steel groove, and the inner iron core and the outer iron core are arranged in the U-shaped magnetic steel groove. Wherein the second magnetic steel is arranged between the first magnetic steel and the third magnetic steel and located at the groove bottom of the U-shaped magnetic steel groove, and the circumferential outer walls of the inner iron core and the outer iron core are wrapped with carbon fiber layers used for fixing the inner iron core, the outer iron core and the magnetic steel.

This invention belongs to the field of permanent magnet motor technology, specifically relating to a dual-secondary modular permanent magnet flux switching linear motor and its manufacturing method, comprising a motor primary and a motor secondary, with an air gap structure provided between the motor primary and the motor secondary; wherein, the motor primary includes at least one motor primary module with identical structure; the motor primary module includes an iron core, a permanent magnet, and an armature coil; the permanent magnet is placed inside the iron core, and the permanent magnet is distributed in a double U-shape around the armature coil; the motor secondary adopts an axisymmetric double-sided secondary structure composed of an iron core.

The invention provides a generator capable of reducing magnetic steel end magnetic leakage and a voltage stabilization power generation system, and belongs to the technical field of automobile motor electric appliances. An even number of first rectangular grooves are evenly distributed in the rotor core in the circumferential direction, the center lines of the long sides of the first rectangular grooves coincide with the diameter direction of the rotor core, the first rectangular grooves are communicated with the outer circle of the rotor core, first oblique-line-shaped grooves are formed in the left sides of the first rectangular grooves, magnetic isolation grooves are formed in the inner sides of the first oblique-line-shaped grooves, and the magnetic isolation grooves are distributed in the diameter direction. A first V-shaped groove is formed in the right side of the first rectangular groove, a second V-shaped groove is formed in the right side of the first V-shaped groove, a second rectangular groove is formed in the right side of the second V-shaped groove, the second rectangular groove is of a tangential structure, and a second inclined linear groove is formed in the right side of the second rectangular groove. The magnetic steel end part in the single magnetic pole of the generator respectively adopts a mode of arranging the inward and outward magnetic isolation air gaps, so that the magnetic leakage of the magnetic steel end part is reduced, the problems of large flux density waveform distortion rate and large magnetic circuit magnetic resistance of the traditional combined magnetic pole are solved, and the output voltage quality and efficiency of the generator are improved.

The invention discloses a primary-secondary three-area V-shaped hybrid permanent magnet linear stepping motor, which adopts a bilateral flat structure with a middle secondary and two side primary, air gaps exist among a first mover, a stator and a second mover, and the first mover and the second mover are symmetrical about the stator; the first mover and the second mover are the same in structure and each comprise a plurality of T-shaped iron cores, and a V-shaped hybrid permanent magnet structure is arranged between every two adjacent T-shaped iron cores. The stator comprises a salient pole iron core with a plurality of small teeth, a V-shaped permanent magnet structure C is arranged in the salient pole iron core, neodymium iron boron permanent magnets O are embedded in small grooves of the salient pole iron core at intervals, and the neodymium iron boron permanent magnets O on the upper side and the lower side are distributed in a staggered mode. The motor is of a five-phase hybrid permanent magnet structure, and has the advantages of being large in thrust density, high in thrust quality, high in power density, high in positioning precision, high in loading capacity, high in efficiency, high in reliability and the like. The thrust density and the loading capacity can be further improved by changing the magnetization level of the aluminum-nickel-cobalt permanent magnet and adjusting the air-gap magnetic field.

The invention discloses a strong magnetic screwdriver bit extension rod with a telescopic unlocking function and belongs to the technical field of electric tools. The strong magnetic screwdriver bit extension rod specifically comprises an extension rod sleeve, a magnet and an extension rod handle, a tool head sleeve used for being connected with a tool head is arranged at the front end of the extension rod sleeve, a sliding limiting sleeve is arranged at the rear end of the extension rod sleeve, and the magnet is arranged at the front end of the extension rod handle; a partition structure or / and a magnetic conduction structure is also arranged between the magnet and the bottom of the tool head sleeve; and the connecting rod sleeve and the sliding limiting sleeve can synchronously and axially slide relative to the connecting rod handle and the magnet. In the process of replacing the screwdriver head, the magnet can be driven to the position away from the screwdriver head in a sliding mode and is kept at the position through the positioning structure, and therefore an operator can easily complete insertion and extraction of the screwdriver head with one hand. The sliding limiting sleeve is located at the rear end of the extension rod sleeve, the diameter of the magnet in the extension rod sleeve can be made to be large as much as possible, the magnetic attraction capacity is improved, the outer diameter of the front section of the extension rod sleeve can be reduced, and use in a small space is facilitated.

This invention discloses a low-leakage flux asymmetric magnetic pole rotor and magnetic pole motor, comprising rotor laminations with eight magnetic pole regions uniformly arranged on the laminations. A first, second, third, and fourth permanent magnet group are sequentially repeated twice on the eight magnetic pole regions. Multiple identical rotor laminations are stacked and welded to form a rotor core. The magnetic pole polarities of any two adjacent permanent magnet groups in the eight magnetic pole regions are opposite. The permanent magnetic field within a single magnetic pole is asymmetric, and the permanent magnetic fields of adjacent magnetic poles are also asymmetric, reducing cogging torque, torque pulsation, and vibration noise. Each magnetic pole consists of multiple layers of permanent magnet steel and a magnetically insulating air gap, resulting in significant magnetic focusing effect, high magnetic field strength, high power density, low air gap harmonic magnetic flux density, low hysteresis loss, low stator core eddy current loss, and high motor output efficiency.

The present invention discloses a novel flux reversal permanent magnet double salient pole motor, comprising a stator core, a rotor core, an armature winding and a rotating shaft; the rotor core is arranged inside the stator core, and the rotor core can rotate relative to the stator core; the rotating shaft is arranged inside the rotor core, and the rotating shaft can rotate together with the rotor core; the rotor core is provided with rotor poles; the stator core is provided with stator poles; the armature winding is composed of a plurality of armature coils connected in series, in parallel or in mixed connection; each armature coil is wound across a plurality of stator poles; permanent magnets with different magnetization directions are placed on the corresponding yokes of the adjacent stator slots in the middle. The motor not only reduces the amount of permanent magnets and armature windings, but also further increases the power density of the motor and reduces the torque pulsation of the double salient pole motor.

The present invention relates to a coupled excitation motor system based on a superposition current mechanism for flywheel energy storage, and belongs to the technical field of hybrid excitation motor system structure. The motor system comprises a motor body and a power converter topology, wherein the motor body comprises a stator, a rotor, a unipolar double-layer ring-type permanent magnet structure and an integrated composite winding, the stator is wound with the integrated composite winding, and the rotor is provided with a unipolar double-layer ring-type permanent magnet structure; the system is designed from the perspective of the motor body and the power converter topology, and the traditional excitation winding and the armature winding are combined into one, which greatly suppresses the motor torque pulsation, improves the power / torque density, optimizes the magnetic adjustment capability, reduces the amount of permanent magnets, and reduces the risk of irreversible demagnetization of permanent magnets, and can effectively improve the wide speed range operation reliability and stability of the motor system for flywheel energy storage.

This application discloses an energy-saving industrial cold storage, belonging to the field of industrial cold storage technology. The energy-saving industrial cold storage includes an insulated body and an energy-saving mechanism. The energy-saving mechanism is installed and fixed at one end of the insulated body and includes a sliding frame that slides with the top surface of the insulated body. A winding roller is rotatably connected inside the sliding frame, and an insulating cloth is wound on the winding roller. A counterweight is fixedly connected to the lower end of the insulating cloth, and a rotating rod is slidably engaged below the insulating cloth. The lower end of the counterweight has a triangular structure, and the rotating rod is rotatably connected to the sliding frame. In this invention, the sealing frame ensures the sealing of both ends of the insulating cloth. When the counterweight is inserted and slides down the sealing frame to the bottom, the insertion rod can be pulled out and then re-inserted into the insertion slots at both ends of the counterweight. Finally, it is inserted into the insertion slots on the sealing frame for magnetic fixation. Because the temperature of the cold storage is low, the magnetic fixation effect is good, avoiding loosening and other issues, making it simple and convenient to use.

The application provides a rotor core and a motor with the same. The rotor core is formed with a plurality of magnetic poles which are arranged at intervals along the circumference of the rotor core. The outer periphery of the cross section of each magnetic pole comprises a plurality of arc lines and a plurality of straight lines, and the plurality of arc lines and the plurality of straight lines are arranged alternately. The air gap magnetic field between the stator core and the rotor core is optimized, the torque ripple is reduced, the motor demagnetization resistance and the motor efficiency are improved. The stator tooth is opposite to the magnetic pole and comprises a tooth body and a tooth shoe. The tooth shoe comprises two tooth shoes which are arranged at the two radial sides of the tooth body respectively. The tooth body corresponds to the first arc line, and the tooth shoe corresponds to the straight line. The magnetic field in the region between the tooth body and the first arc line is the strongest, the magnetic field in the region between the stator slot and the second arc line is the weakest, and the magnetic field in the region between the tooth shoe and the straight line is in the middle. The position and size of the straight line can be adjusted to adjust the magnetic field in the region. The motor iron loss is greatly reduced, the magnetic steel utilization rate is improved, and the motor harmonic loss is reduced.

The present invention provides a high rotor magnetic concentration structure, a rotor, a motor and a compressor, which relate to the technical field of motor technology and solve the technical problem that the utilization rate of magnetic steel is not high when the energy efficiency of the motor is improved. The high rotor magnetic concentration structure includes a structural body located at the end of the rotor and arranged perpendicular to the rotor d axis, and the structural body is made of a material with an axial magnetic resistance less than that of the laminated silicon steel sheet; the structural body includes a first core body and a second core body respectively located on both sides of part or all of the magnetic steel; the outer side of the first core body is an arc-shaped structure, and its arc outer diameter corresponding to the rotor d axis position is not greater than the arc outer diameter corresponding to the rotor q axis position; the rotor includes a magnetic concentration structure, and the magnetic concentration structure is located at the part of the rotor that is higher than the stator core; the motor includes the above-mentioned rotor; the compressor includes the above-mentioned motor. The present invention is used to provide a high rotor magnetic concentration structure that can achieve a high magnetic concentration effect, increase the utilization rate of magnetic steel, reduce circuit copper loss, and achieve the effect of improving the efficiency of the motor.

The utility model relates to the technical field of identity recognition, and discloses a multifunctional identity recognition tool. The multifunctional identity recognition tool comprises a magnetic attraction back plate, a display mechanism is fixedly installed above the magnetic attraction back plate, a sliding mechanism is fixedly installed on one side of the display mechanism, and bracelet mechanisms are movably connected to the two sides of a main body mechanism. According to the display board, the sliding plate slides towards one side in the sliding groove by shifting the sliding plate, so that a data board corresponding to a patient is inserted into the insertion groove in one side of the display board, the data board is fixed in the display board, the insertion groove is sealed by sliding the sliding plate, the data board is prevented from falling off, and the display board is convenient to use. The mounting plate is opened, so that the strong magnetic blocks are separated from the neodymium magnets, the mounting plate penetrates through the inner side of clothes, and the display board is fixed to the chest of a patient through attraction between the strong magnetic blocks on the mounting plate and the two neodymium magnets in the magnetic attraction back plate.

The embodiment of the utility model provides a motor rotor, a permanent magnet motor and a vehicle. The motor rotor comprises a rotating part, wherein the rotating part is annular and defines a first through hole so as to be rotationally connected with a motor bearing; the magnetic piece group is arranged around the first through hole and comprises a first magnetic piece and a second magnetic piece, the first magnetic piece is made of neodymium iron boron magnetic steel and serves as main magnetic steel with good magnetism gathering capacity, and the second magnetic piece is made of ferrite magnetic steel and serves as auxiliary magnetic steel with good magnetism gathering capacity; and the volume V2 of the second magnetic piece and the volume V1 of the first magnetic piece meet the following relation: V1 < V2 < = 1.8 V1. In the embodiment of the invention, the second magnetic piece adopts the ferrite magnetic steel with lower cost, the size of the second magnetic piece is increased, the magnetic gathering effect is better, the magnetic induction intensity in the motor rotor is enhanced, and the problem of insufficient magnetic field of the ferrite magnetic steel is solved by increasing the size of the ferrite magnetic steel; the structure is simple and the cost is reduced while the mechanical performance of the permanent magnet motor in high-speed operation is satisfied.

The present invention relates to a heat dissipation fan with a magnetic suspension structure, wherein the fan frame is a plastic part, the fan frame is provided with a bottom and a peripheral wall part enclosed by the bottom, the inner center of the bottom protrudes upward to form a central axis; the motor coil is fixed on the outer periphery of the central axis and is conductively connected with a PCB board; the fan blades include a hub part and blades radially extending outward from the hub part, and the hub part is provided with an axis core and a rubber magnet; the fan blades are assembled on the fan frame, the axis core is aligned and assembled into an axis hole provided in advance in the central axis, and the rubber magnet surrounds the outer periphery of the motor coil; and the iron sheet is fixed on the bottom of the fan frame by injection molding, and the positive projection of the rubber magnet falls on the iron sheet; the rubber magnet, the motor coil and the iron sheet interact with each other to create a magnetic suspension and magnetic attraction working environment, and the fan blades rotate and operate in this working environment. The present invention has a simple structure and is convenient to manufacture and assemble. The magnetic suspension and magnetic attraction working environment will greatly reduce the friction between the axis core and the bearing, thereby reducing the noise of the fan and extending the working life of the fan.

This invention discloses an elevator counterweight frame, comprising a frame, a sheave, and a counterweight block. The frame has a space for accommodating the counterweight block. At least one sheave is provided, mounted on the counterweight upper beam at the top of the frame and rotatably connected to it. A power generation module is located on one side of the sheave body. The power generation module includes a stator frame, which is fitted onto and rotatably connected to the sheave's axle. Multiple winding posts are evenly distributed around the outer side wall of the stator frame, with coils wound around them. Multiple permanent magnets are evenly distributed around the edge of the sheave body, corresponding to the winding posts. Strain gauges are mounted on the counterweight upper beam. In this invention, the strain gauges and the power generation module work together to monitor the weight of the counterweight block, while the power generation module generates its own power to supply the strain gauges. Throughout the process, the mechanical energy of the sheave is converted into electrical energy, achieving self-sufficiency in electrical energy without the need for an external power source.

The invention relates to the technical field of integrated wire harnesses, and discloses a control type integrated wire harness of a wind energy storage cabinet, which comprises an anti-loosening device, the front surface of the anti-loosening device is fixedly connected with a wind power generation device, the back surface of the anti-loosening device is fixedly connected with a magnetic suction device, and the interior of the anti-loosening device is fixedly sleeved with a wire harness assembly. Wire harness assemblies are fixedly connected to the two ends of the anti-loosening device, the anti-loosening device comprises a protective shell, an air box assembly is fixedly connected to the inner wall of the bottom of the protective shell, a gravel funnel is connected to a top pipeline of the air box assembly, and the side face of the top of the gravel funnel is fixedly connected to the top of the protective shell in a sleeving mode. The top and the bottom of the gas tank assembly are in pipeline connection with two first gas pipes, so that the problems of poor contact or disconnection caused by the fact that the wire harness swings and shakes due to wind current and the connection between the wire harness and the connector is loosened and the problem that the connection of the wire harness is loosened due to frequent impact of wind and sand are solved.

The invention relates to the technical field of magnetic grinding mud recovery, in particular to a magnetic grinding mud auxiliary recovery device which comprises a treatment box, a waste liquid box, a feeding channel, a conveying table, a conveying belt, a strip-shaped permanent magnet block and a material guide plate, the bottom of the treatment box communicates with the waste liquid box, and the conveying table is arranged in an inner cavity of the treatment box and provided with the conveying belt; strip-shaped permanent magnet blocks are arranged on the conveying belt at equal intervals, the feeding channel is fixed to the processing box and guides the conveying belt, and the material guiding plate is fixedly connected to the processing box and is in butt joint with the conveying belt and provided with a discharging pipe. The inclined conveying table is arranged, when the conveying belt rotates, mud falling on the conveying belt can flow under the action of gravity, so that the contact area of magnetic grinding mud and the strip-shaped permanent magnet blocks is increased, and the convex blocks continuously push the magnetic grinding mud through the wedge-shaped blocks on the inner side face of the conveying belt, so that slight vibration is formed on the conveying belt.

The present invention relates to the field of waste gas treatment technology, and specifically to a magnetic composite filler and a preparation method thereof, which can be used as a biological filler in biochemical devices. The present invention is a combination of a hollow spherical outer shell and a built-in porous ball, which has the characteristics of high porosity, high specific surface area and high airflow permeability, ensuring that the airflow is fully in contact with the filler, and taking into account the smooth flow of gas channels, reducing the pressure loss in the system. At the same time, the filler is conducive to the uniform dispersion of gas in the reactor, improves the space utilization rate, increases its contact area with microorganisms on the surface of the porous filler, and strengthens the degradation effect. In addition, by magnetizing the outer shell and the porous ball, a high-density stable heteropolar magnetic field is formed, the magnetic effect of microorganisms is stimulated, the activity of metabolic enzymes is increased, the biodegradation process of organic matter is strengthened, and the purification effect of organic matter in waste gas is improved. The present invention has a wide source of raw materials, good economy and high efficiency and energy saving, and can be extended to various types of waste gas purification processes.

The utility model relates to an integrated cleaning and measuring mechanism which comprises a box body, a plurality of magnets, a turntable driving part, a turntable, a photomultiplier tube, an upper cover, a fixing frame, a plurality of waste liquid extraction parts, a liquid extraction needle driving part and a plurality of liquid injection parts. An opening is formed in the circle center of the bottom of the box body, a circular groove is formed in the bottom of the box body, and a plurality of magnet grooves distributed at intervals are formed in the inner side and the outer side of the circular groove respectively; the lower end of an opening of the turntable is connected with a reaction cup accommodating cavity; the photomultiplier is arranged at the daylighting opening of the box body; the upper cover is provided with a grabbing and releasing opening and a plurality of open holes distributed at intervals in the circumferential direction. The fixing frame is fixed on the upper cover; the multiple waste liquid extraction parts are arranged on the fixing frame at intervals in the circumferential direction, and liquid extraction needles of the waste liquid extraction parts correspond to the holes of the upper cover; and the plurality of liquid injection parts are arranged at the plurality of holes of the upper cover. According to the structure, cleaning, separating and measuring are integrated, the occupied space is small, operation is convenient, and the experiment efficiency is greatly improved.

The utility model relates to the technical field of mobile phone card bag supports, in particular to a magnetic attraction support card bag which comprises a main body, the main body is composed of a storage card bag, fabric, anti-magnetic cloth, a fixing elastic piece, a magnetic attraction mechanism, a glass fiber plate and bottom material in sequence from top to bottom, and the storage card bag is fixedly connected to the upper surface of the fabric. The fixing elastic piece is fixedly connected to the top of the fabric and located on the inner side of the storage card bag, the anti-magnetic cloth is fixedly connected to the upper surface of the fixing elastic piece, the magnetic attraction mechanism is arranged on the inner side of the glass fiber plate and located between the fabric and the bottom material, and folding parts are arranged on the inner side of the fabric and the inner side of the bottom material. Through the design, the mobile phone can be stably supported by the magnetic support card bag without a ring, additional volume is not occupied, burden is not increased, the magnetic support card bag is convenient to store and use, and the magnetic effect and the use convenience of the magnetic support card bag are improved.