83results about How to "To achieve the purpose of filtering" patented technology

The invention provides an intelligent forest land and building extraction method for cultivated land protection, and belongs to the technical field of identification. The method is characterized by matching homonymous points with multi-modal remote sensing images; extracting rough land class boundaries of the forest land and the building by utilizing an attention enhancement semantic segmentationmethod; and performing polygon boundary optimization on the building and forest land elements by utilizing an image morphological filtering method and a probability graph model respectively to obtainaccurate land boundaries. According to the method, accurate registration is carried out on the multi-modal remote sensing images so that a problem of information loss of a single-source remote sensingimage due to cloud shielding is solved, and the problem of difficult registration caused by significant nonlinear geometric distortion and radiation difference among the multi-modal remote sensing images is solved too; based on a forest land and building semantic segmentation method based on attention enhancement, the problem of low land utilization efficiency of visual discrimination is solved;and based on a ground class boundary accurate extraction method of an image form and a vector topology rule, the boundary of a ground object is optimized, and the problem of accurate and intelligent extraction of forest land and buildings is solved.

The invention discloses an efficient low-resistance nano-fiber microscopic gradient structure filtering material and a preparation method thereof. The filtering material comprises a nanometer fine filtering layer, a micrometer support primary filtering layer and protective surface layers, wherein the micrometer support primary filtering layer and the nanometer fine filtering layer are interactively overlaid, and arranged between the two protective surface layers. The nanometer fine filtering layer has a grid structure, and the nanometer fine filtering layer is composed of a plane matrix fiberlayer and cone structures, wherein fibers between the tips of the cone structures and a grid matrix fiber layer have an oriented structure along the tips and the plane matrix fiber layer. By means ofthe filtering material without electricity, the efficiency of filtering NaCl aerosol with the mass median aerodynamic diameter of 0.26 micrometer is 99.9-99.999%, and the pressure is reduced to 130-300 Pa; by means of the filtering material which is treated by electricity, the efficiency of filtering the NaCl aerosol with the mass median aerodynamic diameter of 0.26 micrometer is 99.9-99.999%, andthe pressure is reduced to 30-250 Pa.

The invention provides an aeroengine load spectrum filtering method based on a rain-flow counting method. The aeroengine load spectrum filtering method comprises steps that (1), rain-flow filtering for original spectrum of aeroengine load spectrum is carried out to acquire rain-flow filtering spectrum; and (2), based on the rain-flow filtering spectrum, points of multiple original load spectrum are added, and the filtering spectrum based on the rain-flow method is lastly acquired. Through the method, the load loading / unloading path information can be reflected, namely, on the basis of deleting small circulation, circulation peak / valley values of the filtering spectrum and the original spectrum are guaranteed to be identical, and the path of the original spectrum is reserved to a maximum degree; singular points can be more effectively eliminated, threshold filtering for signals is carried out to eliminate noise of the signals, and signal processing efficiency is improved. The method is advantaged in that research on flight parameter pre-processing and outlier elimination in an aeroengine load spectrum compilation process is realized.

The invention discloses a liquid reservoir which comprises a lower reservoir body and a filter barrel, wherein a refrigerant inlet and a refrigerant outlet are formed at the lower end of the lower reservoir body; the filter barrel is matched with the inner wall of the lower reservoir body to form a liquid flow cavity; the filter barrel comprises a barrel wall made of a filter material, an upper liquid flow barrel and a lower liquid flow barrel; the upper liquid flow barrel and the lower liquid flow barrel are arranged at two ends of the barrel wall and communicated with each other; the lower liquid flow barrel and the liquid flow cavity are communicated with the refrigerant inlet and the refrigerant outlet respectively; and a refrigerant is at least filtered once in a process of flowing from the refrigerant inlet to the refrigerant outlet. The invention also discloses an air conditioner refrigeration system with the liquid reservoir. The refrigerant flows into the liquid flow cavity from the refrigerant inlet, further flows through the filter barrel and flows out from the refrigerant outlet, thus impurities in the refrigerant are stopped in the liquid reservoir, and an aim of filtering the refrigerant is achieved. According to the liquid reservoir, the filter barrel, instead of a non-woven cloth, is utilized as a filter part for the refrigerant, so that the own filter precision of the liquid reservoir is guaranteed, and simultaneously the flow resistance is reduced.

The invention discloses a data filtering method applied to ultrasonic partial discharge detection. A median filter which is an atypical nonlinear filter for completing signal recovery based on sequence statistics is used, aiming at pulse interference possibly existing in the ultrasonic partial discharge detection. Under the one-dimensional condition, the essence is a sliding window with a certainlength, and a signal at the central position of the window is replaced by a median after all values in the window are sorted. When the pulse width is less than half of the window width, the median filtering is very effective to narrow pulse interference. Then, for processing of random noise, after wavelet packet threshold function denoising and singular value decomposition algorithms are compared,a singular value decomposition filtering algorithm based on a singular value energy difference spectrum is provided. The singular value energy differential spectrum defined in the algorithm can welldetermine the order of a reconstruction matrix, so that the singular value contributed by random noise and the singular value contributed by partial discharge signals are distinguished, and a good filtering effect is achieved.

An optical filter based on graphene comprises an optical coupling structure. The optical coupling structure comprises an electrolyte layer, a metal electrode, a graphene strip array, a dielectric layer, a metal optical grating and a substrate. The electrolyte layer and the metal electrode are provided with adjusting devices for top gate voltage. A Fabry-Perot microcavity array composed of the graphene strip array, the dielectric layer and the metal optical grating is located on the substrate, and the electrolyte layer and the metal electrode are located on the same plane above the Fabry-Perot microcavity. Based on the micro-nano etching process technology and the multiplayer film technology which are extremely mature at present, the technological process is not complex, and operation is easy. Compared with a traditional filter with the same frequency band, the optical filter has the advantage that the size of a coupled component is greatly reduced due to introduction of graphene. The optical filter frequency is regulated by adjusting the Fermi level of graphene through grid voltage, active control over light is achieved, the needed power consumption is small, the quality factor is large, the response speed is high, and very wide working frequency is achieved.

The invention discloses a plasmid extraction device, and belongs to the field of experiment instrument. The plasmid extraction device comprises a first test tube and a second test tube arranged below the first test tube; the first test tube comprises a first test tube barrel, a hollow sleeve barrel, and a shaft column; the top part of the first test tube barrel is provided with a fist through hole and a filling hole; the second test tube comprises a filter tube, an adsorption tube, and a second test tube barrel; the filter tube is sleeved by the adsorption tube; and the adsorption tube is sleeved by the second test tube barrel. According to the plasmid extraction device, repeat delivering of samples into a centrifuge is avoided, operation time is shortened, and the whole extraction process can be completed in a few minutes.

The invention discloses automatic oil immersion equipment for rust prevention of hardware machined parts and a use method, and belongs to the technical field of machined part rust prevention treatment. The automatic oil immersion equipment comprises a bottom plate, vertical rods are fixedly connected to the two ends of the upper surface of the bottom plate, a top plate is arranged above the bottom plate, and the two ends of the bottom face of the top plate are fixedly connected with the upper surfaces of the two vertical rods correspondingly; and the left side face of the top plate is fixedly connected with a first motor, and a sliding groove is formed in the bottom face of the top plate. According to the automatic oil immersion equipment, through the arrangement of an oil immersion mechanism, namely the cooperative arrangement of a second motor, a concave block, a third motor, a first gear, a steel wire cage, a second gear and a bearing, rust-proof oil can be completely smeared on the outer surfaces of the machined parts, and the oil immersion rust-proof effect on the machined parts is guaranteed; and through cooperative arrangement of a filter screen, a collecting box, a filter screen, an air pipe, a controller, a transverse electromagnet and an electromagnetic rod, the anti-rust oil can be recycled, waste of the anti-rust oil is reduced, and the machining cost of a factory is reduced.

The invention discloses a microstructure fiber with fiber core modified by inverse opal (3DOM three dimensional ordered macroporous material). The method mainly comprises the following steps: preparing a PS or PMMA colloid microballoon solution, and adding a predecessor solution (TEOS or TiBALDH) into the colloid microballoon solution in a certain proportion; growing a segment of colloid crystal in a capillary with a Sol-gel cooperation self assembly method, forming predecessor gel when colloid crystal gap moisture is reduced, and sintering the capillary at high temperature in a box-type furnace and removing the colloid crystal to form an inverse opal composition; vertically cutting two common standard fibers after part coating is removed, inserting the two fibers into the capillary from two ends of the capillary to the inverse opal composition, fixing the fibers with glue, and fixing and packaging the capillary and fibers with a thermoplastic cannula. The microstructure fiber prepared in the invention can be used as a fiber filter and a biomedical sensing member. By using a common standard fiber in preparation, the microstructure fiber can connects a present fibre-optical communication network to facilitate the realization of all-optical sensing network. The microstructure fiber has the advantages of simple preparation, reliability and strong versatility.

The invention discloses a production method of high-purity yellow phosphorus, which relates to a yellow phosphorus production method. The high-purity yellow phosphorus is obtained through the process steps of mixing, diatomite pre-applying, diatomite pre-applying, filtration, acid washing and water washing. The invention has the advantages of simple equipment, low investment, fast effect taking, high yellow phosphorus recovery rate (which reaches more than 99 percent), high product purity (which can reaches 5 to 6 N stages), simple process, convenient operation and safety, and is favorable for industrialization.

The invention provides a portable wound surface protection and treatment system having the sealed negative-pressure drainage function and the washing function. The portable wound surface protection and treatment system comprises a wound surface sealing device and further comprises a liquid storage bottle and a negative-pressure drainage washing instrument which are integrated. One end of a drainage pipe is communicated with the top of the liquid storage bottle, and the other end of the drainage pipe is arranged in the wound surface sealing device. One end of a washing pipe is communicated with a liquid sucking opening formed in the side portion of the bottom of the liquid storage bottle, and the other end of the washing pipe is connected with a peristaltic pump of the negative-pressure drainage washing instrument and then arranged in the wound surface sealing device. The liquid storage bottle is connected with a negative-pressure pump of the negative-pressure drainage washing instrument through an air exhaust opening formed in the top of the liquid storage bottle. By the adoption of the portable wound surface protection and treatment system, when a wounded person is treated in the wild under simple and crude conditions, sealed negative-pressure drainage and instillation washing can be conducted on an open wound surface at the same time, so that wound surface protection, infection prevention, wound healing promotion, the reduction of the difficulty in evacuation of the wounded person is reduced, and relieving of the intensity of nursing of the wounded person are achieved.

The invention relates to a protection-type gauze mask. The protection-type gauze mask comprises a gauze mask body, ear bands and a breather valve arranged on the gauze mask body, and the gauze mask body comprises a face layer, a bottom layer and a filter layer sandwiched between the face layer and the bottom layer. The protection-type gauze mask has the advantages that when a wearer uses the protection-type gauze mask, the breathing resistance is small, breathing is smoother, and the comfort degree of the wearer is improved.

The invention relates to the technical field of communication, and provides a filter coefficient determination method and device and a digital DAS system. The filter coefficient determination method comprises the following steps: acquiring a first filtering parameter of a target filter supported by a target communication system, debugging a plurality of sub-filters based on the first filtering parameter, obtaining a sub-filtering parameter corresponding to each sub-filter when it is determined that the same filtering effect as the target filter is achieved, and determining the coefficient of each sub-filter according to the sub-filtering parameters. According to the invention, under the condition that the deployed target communication system does not change the original device resources, the existing mobile communication network is upgraded to the new generation mobile communication network, so that the spectrum utilization rate and the communication rate are improved.

The invention discloses a novel filter capable of realizing backflushing automatic cleaning through waterway conversion, which can be applied to water filtration, or chemical liquid and biochemical reagent filtration. The structure of the novel filter is provided with two water outlet nozzles, and in normal use, water at a water inlet nozzle passes through a filter material in a cylinder body and then flows out through a filter element tube from the first water outlet nozzle to achieve the purpose of filtering; if cleaning is needed, a relative angle between a cylinder head cover and a cylinder head seat can be turned to a specific direction, so that the water at the water inlet nozzle can firstly flow through the filter element tube and the filter material, and flow out from the second water outlet nozzle, and impurities and dirt trapped by the filter material in the normal flow direction of the water can be discharged from a second water outlet along with the water due to the flushing of water in the reverse flow direction so as to achieve the effect of cleaning a filter element. Therefore, the novel filter is ingenious and reasonable in structure, the filter element of the filter can be conveniently cleaned by only turning the relative angle between the cylinder head cover and the cylinder head seat under the condition of not disassembling so as to achieve the function of automatic cleaning, the use is very convenient, and the effect is very ideal.

The invention discloses pretreatment equipment for industrial waste gas. The pretreatment equipment comprises a box body and a gas inlet, wherein the gas inlet is formed in the left side of the box body and penetrates through the box body; a gas outlet is formed in the right side of the box body and penetrates through the gas outlet; a pad plate is arranged at the bottom end of a pulley; a plurality of first springs are arranged at the bottom of the pad plate; the bottom end of each first spring is connected with the inner wall of an inserting groove; slide blocks are arranged at the left sideand the right side of each pad plate; the outer wall of each side bock is provided with a slideway; the slideway is connected with the inner wall of the inserting groove. The pretreatment equipment for industrial waste gas has the advantages that through the gas inlet, the goal that the industrial waste gas can be blown into the device is achieved; through a waste slag opening, the goal of collecting waste materials is achieved; through the gas outlet, the goal of collecting filtered waste gas is achieved; through a motor, the pulley cyclically beats a filter screen to and fro; dust on the filter screen is shook off; the filtering efficiency is improved; the requirements of people are met.

The invention discloses a pressure charging and relieving filtering system and method of high-temperature variable-pressure equipment for solid inlet and outlet materials. The system comprises a cartridge filter and a lock hopper, wherein an inert gas inlet pipe is connected with the top part and the bottom part of the cartridge filter respectively, a sequencing valve C and a current-limiting pore plate are arranged on a pipeline b connecting the bottom of the cartridge filter, the inert gas inlet pipe connecting the top part of the cartridge filter is divided into a pipeline a and a pipeline c, a sequencing valve A is arranged on the pipeline a, the pipeline c is connected with the upper part of the cartridge filter, the pipeline a is combined with an outlet pipeline d at the top part of the cartridge filter, a sequencing valve B is arranged on the combined pipeline e, the pipeline b is combined with a pipeline f between the lock hopper and the cartridge filter, and a finned pipe is arranged on the pipeline f. The filtering method comprises the steps that effluent gas of the lock hopper is mixed with inert gas after being subjected to heat dissipation through the finned pipe, and then the mixed gas enters the cartridge filter. The method integrates a fin radiating method and a blending cooling method to realize the filtering operation of the effluent gas, with high temperature and periodically varied pressure, from the lock hopper.

The invention discloses a sewage treatment system comprising a biofiltration bed and an ecological compound bed which are connected through a pipeline, wherein the biofiltration bed is a cylindrical tank body with two spherical ends; the biofiltration bed is sequentially partitioned into a sewage tank, a regulating tank, an anaerobic tank, an aerobic tank, a sedimentation tank and a clear water tank; the regulating tank is internally provided with an air lift pump connected with a lift pipeline and used for uniformly delivering sewage; the air lift pump provides kinetic energy through an air pump connected with a solar cell panel; and the sedimentation tank is internally provided with a guide cylinder on which a guide pipeline is arranged, S-shaped filter beds are distributed at two sides of the guide cylinder, and a reflecting plate is distributed below the guide cylinder. According to the sewage treatment system, the traditional water pump is replaced with the air pump, and the solar energy is converted into electric energy through the solar cell panel, so that the system can realize low-noise sewage treatment under the condition that the solar energy is sufficient; in addition, due to the arrangement of the guide cylinder, the reflecting plate located below the guide cylinder and the S-shaped filter beds distributed at two sides of the guide cylinder, the sewage is more sufficiently filtered.

The embodiment of the invention discloses a PLC signal filtering method and system utilizing signal separation. The method comprises the following steps: step 1, inputting an actually measured PLC signal sequence S; step 2, initializing the SPLC, the SNOISE, the c1 and the c2; and step 3, iteratively updating the filtering PLC signal sequence SPLC, the background noise sequence SNOISE, the first impulse noise vector c1 and the second impulse noise vector c2.; step 4, repeating the step 3 until the difference between two adjacent iteration results of the filtering PLC signal sequence SPLC is less than 0.0001, and stopping iteration; and taking the filtered PLC signal sequence SPLC, the background noise sequence SNOISE, the first impulse noise vector c1 and the second impulse noise vector c2obtained by the last iteration as required results.

The invention relates to the technical field of electric matched products, in particular to an energy-saving intelligent filter compensation metering comprehensive protection automatic transmission which comprises a box body. The inside of the box body is provided with an active power filter, a connection electric reactor, an isolation switch, a current transformer and an outgoing breaker. The active power filter is connected to the secondary side of the current transformer of a grid through the connection electric reactor. The upper end of the isolation switch is directly connected with the secondary side of the current transformer of the grid, and the lower end of the isolation switch is connected with the outgoing breaker through the isolation switch in an outgoing mode. According to the automatic transmission, harmonic currents on a bus are eliminated in real time, the operation efficiency of the transformer is improved, operation safety of the transformer and electric equipment is guaranteed, the phenomena of abnormal operation of the transformer, system resonance and compensation capacitor overflowing caused by harmonic currents are avoided, the service life of the equipment is prolonged, and the phenomenon that a capacitance box often fails in the prior art is avoided. The box transformer structure technically has the advantages of being modularized, small in size, attractive in appearance, safe and reliable in operation, convenient to maintain and the like.

The invention discloses a dust-containing coal tar negative-pressure gasifying filtering device and a using method thereof. A partition is longitudinally and fixedly arranged in a separator barrel body for dividing the separator barrel body into a filter cavity and a backwashing cavity; the bottom end of the partition is suspended to form a material input cavity with a lower end enclosure; a rotary shaft is inserted along the axis of the partition; the upper end of the rotary shaft penetrates through an upper end enclosure and is connected with a rotary motor on the outer part of the separator barrel body; a filter disc which is perpendicular to the rotary shaft is fixedly arranged on the rotary shaft; the outer edge of the filter disc clings to the inner side wall of the filter cavity and the inner side wall of the backwashing cavity; a spray liquid input hole, a backwashing liquid output hole, a gas supply hole and a gas extraction hole are formed in the side wall of the backwashing cavity; a spray pipe and a liquid receiving plate which is arranged in an inclined manner are arranged in the backwashing cavity; the spray pipe is positioned above the filter disc and communicates with the spray liquid input hole; and a material input hole is formed in the side wall of the material input cavity. The dust-containing coal tar negative-pressure gasifying filtering device is simple to operate, is low in requirement on dust content of fed coal tar, can perform rotary filtration and backwashing under a negative-pressure condition, and improves the coal tar yield.

The invention relates to the field of medical apparatus and instruments and discloses a self-destruction type filtering injector. The self-destruction type filtering injector is characterized in that: a needle cylinder is in an irregular shape and comprises a front part, a back part and a connection surface; the internal diameter of the front part is more than the internal diameter of the back part; a filtering device is arranged at the front top part of the needle cylinder; a resilience sheet is connected with the back of the filtering device; and a piston is in a self-destruction structure and is connected with a push rod. When liquid is injected by the self-destruction type filtering injector, the push rod is pulled so that the filtering device is moved backwards and the liquid enters due to a negative pressure; by stopping pulling the push rod, the filtering device is returned back through the resilient sheet; and positive pressure is formed by pushing the pull rod so that the liquid is discharged through the filtering device. After the liquid is discharged, the piston enters into a 'clamping position' so that the piston is separated and destructed by itself by pulling the push rod back. According to the self-destruction type filtering injector disclosed by the invention, the damage to the human body caused by insoluble particles is avoided or reduced by filtering the insoluble particles in the liquid, and the self-destruction type filtering injector is destructed by itself after being used, thereby preventing the injector from being repeatedly used and avoiding the transmission of hematogenous diseases.

The invention discloses an instrument data display method and device. The method comprises the steps of obtaining a current calculation value corresponding to the state of a vehicle at the current moment; determining a filtering mode for filtering the data to be displayed on an instrument of the vehicle according to the current calculation value and a current display value displayed by the vehicleat the current moment; and displaying the display data of the next moment of the current moment on the instrument of the vehicle according to the determined filtering mode. According to the invention, the technical problems of data instability and poor accuracy when the instrument data is filtered in the prior art, are solved.

The invention relates to an adhesive composition and an optical fingerprint module. The adhesive composition is prepared from the following components in parts by weight: 30-60 parts of a polyurethaneacrylate oligomer, 20-70 parts of an acrylate monomer, 3-5 parts of a light initiator and 1-5 parts of a visible light absorbent, wherein the visible light absorbent is selected from at least one group formed by UV449, UV482, UV497, UV546, UV584, UV638, UV679, UV709 and UV740. The adhesive composition can be used for assembling the optical fingerprint module.

The invention discloses a chemical reaction processing device. The device comprises a reaction main body tank, a pretreatment tank and a feeding hopper, wherein the pretreatment tank is mounted at the top of the reaction main body tank, a connecting valve is mounted at the bottom of the feeding hopper; one side of the connecting valve is communicated with the pretreatment tank through a connecting guide pipe; the side, away from the feeding hopper, of the connecting valve is communicated with the lower portion of the reaction main body tank through a discharging guide pipe; the bottom of the reaction main body tank is fixedly connected with a supporting bottom frame, an inner filtering device is arranged at the lower position in the reaction main body tank, and a reaction liquid discharging switch valve is arranged above the inner filtering device. The invention relates to the technical field of chemical reactions. According to the chemical reaction processing device, the problems that a reaction device does not have the capability of filtering and separating a reacted solution, a single filter screen structure is difficult to clean after being blocked, and the discharge speed of a reaction solution is reduced are solved, filtering and discharge can be continued after the inner filter screen is blocked, and self-cleaning blockage can be completed.

The invention provides an over-temperature protection LED driving power source. The over-temperature protection LED driving power source comprises a hose, a connecting pipe, an airbag, air jetting holes, an air jetting pipe, a filtering cover, round holes, a filtering screen, a desiccant bag and an air inlet hole; the right end of the connecting pipe is provided with the airbag; the lower end of the hose is installed at the middle of the annular side surface of the connecting pipe; the upper end of the hose passes through the lower end surface of the filtering cover and is connected with the air jetting pipe; the air jetting pipe is arranged at the left side of the filtering screen; and the air jetting holes are formed at the right side of the annular side surface of the air jetting pipe. According to the over-temperature protection LED driving power source of the invention, a dust back-blowing function is additionally realized; the air inlet hole is formed at the right end surface of a shell; the filtering cover is assembled at the right end surface of the shell; the filtering screen is installed at the right side of the interior of the filtering cover; the desiccant bag is assembled at the left side of the interior of the filtering cover; and the round holes are formed at the right end surface of the filtering cover. The over-temperature protection LED driving power source of the invention can filter heat-dissipating air. The over-temperature protection LED driving power source of the invention has the advantages of long service life, high stability and high reliability.

The invention discloses a water surface garbage cleaning device, and relates to the technical field of environmental protection. The water surface garbage cleaning device comprises a shell, wherein a filter screen is fixedly connected to the bottom of the shell; a collecting frame is fixedly connected to the side, away from the shell, of the filter screen; foam floating plates are evenly installed at the position, away from the collecting frame, of the outer side of the shell; a telescopic air cylinder is installed on the outer side of the bottom of the collecting frame; a piston rod of the telescopic air cylinder is fixedly connected with a telescopic rod; the end, away from the telescopic air cylinder, of the telescopic rod penetrates the collecting frame to be fixedly connected with a fixing block; water outlets are evenly formed in the position, close to the telescopic air cylinder, of the bottom of the collecting frame; a material suction device is fixedly connected to the inner wall of the shell; and a rubber sealing ring is installed at the position, away from the fixing block, of the outer side of the telescopic rod. According to the water surface garbage cleaning device, the aim of collecting floating objects on the water flow surface is achieved, the work intensity of environmental protection persons is reduced, and the device is suitable for small river water areas, and is flexible and light.

The invention discloses a multifunctional tobacco pipe and a machining technology thereof. The multifunctional tobacco pipe comprises a smoke pan, an intermediate, a filtering body, a connecting body and a cigarette holder, wherein the smoke pan comprises an upper part and a lower part; the upper part is a smoke pan cavity; the lower part is a smoke pan base; the smoke pan base is connected with the intermediate; the other end of the intermediate is connected with the filtering body; the filtering body is connected with the cigarette holder via the connecting body; the smoke pan, the intermediate, the connecting body and the cigarette holder are hollow and form a smoke flue, so as to ensure that smoke can pass the smoke flue.

The invention discloses an improved type filter device which comprises a fixed frame, a driving component and a filter component installed on the fixed frame. The filter component comprises a spiral stirring part and a filter cartridge. One end of the spiral stirring part is provided with a first gear portion, one end of the filter cartridge is provided with a second gear portion, and the first gear portion and the second gear portion are coaxially arranged and are both driven by the driving component. The two ends of the filter cartridge are open. The spiral stirring part is inserted into the filter cartridge. The filter cartridge is provided with multiple filter holes and sleeved with a filter film and a sleeving shell. The bottom of the sleeving shell is connected with a water outlet pipe. The filter component further comprises a liquid inlet pipe and a bearing pipe, wherein the liquid inlet pipe is inserted to the open end, close to the second gear portion, of the filter cartridge, and the bearing pipe is used for bearing solid particles at the open end, away from the second gear portion, of the filter cartridge. The problems of film face concentration polarization and film pollution can be solved, and the film permeation flux and filter effect are significantly improved.

The invention belongs to the technical field of coating manufacturing equipment, and particularly relates to water-based sound insulation coating preparation equipment which comprises a pushing vehicle plate, wherein the upper end of the pushing vehicle plate is fixedly connected with a treatment box body and a mixing box body, the upper end of the treatment box body is fixedly connected with a smashing box body, and the upper end of the smashing box body is fixedly connected with a feeding hopper; a first motor is fixedly mounted on one side of the crushing box body, a shaft rotating rod is fixedly connected to the output end of the first motor, crushing spiral blades are fixedly connected to the outer surface of the shaft rotating rod, and a sliding groove is vertically formed in the inner wall of the treatment box body. Through a filtering box, a triangular sliding block and rolling wheels, the triangular sliding block can move under the cooperation of the hydraulic cylinder, so that the rolling wheels push a pushing rod, the pushing rod is matched with a rotating disc and a rotating rod, the filtering box can shake up and down, and the progress is accelerated while the filtering purpose is achieved.

The invention discloses an improved filter device, which comprises a fixed frame, a transmission part, and a filter part installed on the fixed frame. The filter part includes a spiral stirring piece and a filter cylinder. One end of the cylinder is provided with a second gear part, the first gear part and the second gear part are arranged coaxially, both the first gear part and the second gear part are driven by transmission parts, the filter cylinder is open at both ends, and the spiral stirring element Inserted in the filter cartridge, the filter cartridge is provided with a plurality of filter holes, the filter cartridge is set with a filter membrane, the filter cartridge is covered with a casing, the bottom of the casing is connected to the water outlet pipe, and the filter part also includes a filter from the filter cartridge A liquid inlet pipe inserted near the open end of the second gear part, and a receiving pipe for receiving solid particles from the filter cartridge at the open end far away from the second gear part. The invention can effectively solve the problems of concentration polarization and membrane fouling on the membrane surface, and significantly improve the permeation flux and filtration effect of the membrane.