59results about How to "Implement preliminary filtering" patented technology

The invention discloses a heavy metal contaminated soil remediation device, and belongs to the technical field of soil remediation. The remediation device comprises a soil filtering mechanism, a spiral feeding machine, a remediation box, a soil air-drying mechanism, a crushing mechanism and a soil turning and leaching mechanism. A horizontally-arranged filtering plate is arranged in the remediation box and is provided with screening holes. The soil turning and leaching mechanism comprises a driving motor, a soil turning assembly, a reciprocating vibration assembly, a rotating shaft and two spraying pipelines, and an atomizing nozzle is arranged at the liquid outlet end of each spraying pipeline. A material guiding sliding way is arranged at the bottom of the remediation box, and a closingplate is arranged on the right side of the material guiding sliding way. Through the soil turning and leaching mechanism, soil can be leached and can be turned so that the soil can be evenly leached;and the soil can be crushed under the action of the crushing mechanism so that the soil is crushed into small particles and the soil and reactants fully react.

The invention discloses a traditional Chinese medicine oral liquid filtering device, which comprises a base, a tertiary purification box, a secondary purification box and a primary sieving box, wherein rolling wheels convenient for device carrying are symmetrically arranged at the left and right sides of the base; the primary sieving box is arranged above the base; the two sides of the lower end of the primary sieving box are connected and fixed with the base through a support plate; a filtering conveying belt is horizontally arranged inside the primary sieving box; the two ends of the filtering conveying belt are connected and fixed with the inner wall of the primary sieving box through fixing rods; the input end of the filtering conveying belt is connected with the output end of a driving motor; screening holes are uniformly distributed in the belt surface of the filtering conveying belt. The traditional Chinese medicine oral liquid filtering device has the advantages that the structure is simple and reasonable; the medicine slag generated during the primary screening can be removed in time, so that the problem of blockage generated during the primary screening can be avoided; therefore the impurity cleaning processing does not need to be performed frequently; the work efficiency of the device is favorably improved; in addition, the device can be used for performing three times of purification on the materials, so that the purification effect on the medicine liquid is ensured; the practicability is high.

The invention relates to the technical field of prospecting engineering, in particular to an intelligent soil sampler. The intelligent sampler comprises a body and a spiral bit. A soil storage box and a bit guard are arranged on the bottom end of the body, a bit driving component is arranged in the body, the bit driving component is connected to one end of the spiral bit, and the other end of the spiral bit penetrates through the body and stretches into the bit guard to drive the spiral bit to make axial motion in the bit guard; a soil storage inlet communicating with the soil storage box is arranged in the bit guard, a soil outlet is arranged in the position, lower than the soil storage inlet, of the bit guard, and a soil retained device used for opening and closing the soil outlet is arranged on the bit guard; a range sensor is arranged in the body, the range sensor is used for transmitting distance signals to a central processing unit, and the central processing unit is used for controlling opening and closing of the soil outlet through the soil retained device. by monitoring the distance signals in real time, the intelligent soil sampler can filtrate soil according to requirements of users and accurately collect a soil sample from a needed soil layer, thereby improving the soil sampling quality and efficiency.

The invention discloses a wastewater treatment system. The wastewater treatment system comprises a wastewater treatment unit; the upper part of the wastewater treatment unit is movably connected with a first filter board; the first filter board is provided with a plurality of densely arranged first filtering holes; an activated sludge adsorption tank is loaded with activated sludge; the activated sludge adsorption tank is connected with an anoxic pond via a drainage pipeline; the anoxic pond is connected with an aerobic tank; the aerobic tank is connected with an activated carbon adsorption tank; the activated carbon adsorption tank is loaded with activated carbon; the activated carbon adsorption tank is connected with a liquid collection tank; a water quality monitoring device used for monitoring that whether water-quality up-to-standard release is realized is arranged in the liquid collection tank; a distilling apparatus comprises a heating plate; the heating plate is connected with a distilling flask; the distilling flask is connected with the liquid collection tank via a condenser pipe; the tail end of the condenser pipe is connected with a drinking water collection device; the drinking water collection device is provided with a water outlet; and the water outlet is provided with a valve switch. Compared with the prior art, the wastewater treatment system is capable of purifying wastewater into drinking water, generating electric energy, saving energy, and protecting the environment, and is high in working efficiency.

The invention discloses an Ethernet data collection card, at least including: an Ethernet data exchange module which is connected with multi-channel Ethernet link requiring monitoring and is used for the aggregation of the multi-channel Ethernet link data requiring monitoring; a pre-processor module for connecting with the Ethernet data exchange module, which is used for pre-processing the multi-channel link data aggregated by the Ethernet data exchange modules and for sending the multi-channel Ethernet link data after being pre-processed to the main processor of a monitoring device connected with the pre-processor module. The invention also provides a method for collecting Ethernet data. In this way, the invention collects the multi-channel Ethernet link data requiring monitoring on intelligent ethernet cards; and the invention supports the multiple Ethernet link, wherein the number of net openings supported is determined by the exchange specification of an Ethernet switch chip; furthermore, the invention is not limited to PCI bus on the connection between the pre-processor module and the main processor of the monitoring device.

The invention provides an efficient air purifier, comprising a shell consisting of a front shell and a back shell, wherein the inside of the shell is hollow; the front shell is provided an air inlet, a fan is arranged on the back shell, and an air exhausting port of the fan is correspondingly an air outlet of the shell; a pre-filtering screen, an adsorption filter screen and a micro-particle filter screen are sequentially arranged in the shell along the direction from the air inlet to the air outlet and are arranged on a filter screen support frame, respectively; the filter screen support frame has a door type structure, and crisscrossed fixed links are arranged on the filter screen support frame; the adsorption filter screen is formed through alternate arrangement of a plurality of active carbon cylindrical particles, and the surfaces of the active carbon cylindrical particles are provided with micro-pores; and the micro-particle filter screen is composed of a stack of continuous front-back folded sub-glass fibrous membranes. The efficient air purifier has stronger adsorption filtration and stronger filtration energy efficiency.

The invention relates to the technical field of environment-friendly waste gas treatment, and particularly discloses a waste gas treatment device for environment-friendly equipment; the waste gas treatment device comprises a base, and further comprises a floating object filtering mechanism; supporting plates are symmetrically and fixedly connected to the two sides of the bottom of the base, and idler wheels are arranged at the bottoms of the supporting plates; the floating object filtering mechanism is arranged on the left side of the top of the base, the floating object filtering mechanism comprises a filtering box, an air suction machine and a fixing block, the filtering box is fixedly connected to the top of the base, the air suction machine is fixedly connected to the left side of thefiltering box, an air suction pipe is arranged on the air suction machine, and the air suction pipe extends into the filtering box. Floating objects in waste gas can be filtered through a filter plate, and primary filtration of the waste gas is realized; the waste gas is introduced into a treatment box to be mixed with a treatment solution, so that harmful substances are treated, finally, treatedimpurities are filtered through a filter screen of a fixed box, and meanwhile, the filter plate is driven to vibrate through rotation of a cam, so that the floating objects on the filter plate are convenient to clean.

The present invention discloses a wet dust remover, which comprises a hollow cylindrical housing, a wind inlet, downwardly-inclining separation plates, a wind outlet, a sedimentation pool, a water storage pool, a water inlet pipe communicated to the water storage pool, a draining plate and a spraying assembly, wherein the sedimentation pool and the water storage pool are respectively arranged on both sides inside the housing, the draining plate downwardly inclines from the direction above the water storage pool to the sedimentation pool direction, the spraying assembly comprises spraying nozzles, the water storage pool, a water pump and a conducting pipe, the wind inlet is arranged on the side wall of the lower portion of the housing, the center line of the wind inlet is along the housing tangent line direction, the separation plates are provided with a plurality of draining through holes, the wind outlet is arranged on the top portion of the housing, and the center line of the wind outlet axially coincides with the housing. According to the present invention, the wet dust remover has the simple structure, the tangential wind inlet way is used, and the water leaching is used to remove the dust while the frictional resistance viscosity effect of the side wall of the housing is utilized, such that the advantages of good dust removing effect, high efficiency, low water consumption and stable use are provided.

The invention discloses an urban environment air purifier which comprises an LED display screen, an LED display layer, an air outlet, a purification inlet, an anion purifying device, an anion generator and a negative binding post, wherein an insulating grid is arranged on the upper side of the LED display screen; the LED display layer is mounted on the lower side of the insulating grid; an LED light-emitting diode is mounted on the upper side of the LED display layer; a fan I is arranged on one side of the LED display screen; an air outlet channel is formed in the air outlet; the anion purifying device is mounted on the lower side of the LED display screen; a purification inlet is formed in one side of the anion purifying device; a secondary electronic filter element is arranged in the anion purifying device; a purification outlet is formed in the right side of the secondary electronic filter element; the negative binding post is mounted inside the anion generator; a discharge pinpoint is mounted on the upper side of the negative binding post; a shutter is mounted on one side of the anion generator. Due to the urban environment air purifier, sucked air can be primarily purified.

The invention belongs to the field of air filtering, and particularly relates to an air filter. The air filter is provided with an air flow-in end, an air flow-out end, a filtering medium and a support part used for supporting the filtering medium, wherein the support part is arranged between the air flow-in end and the air flow-out end; a spray generating device is arranged at one side, facing the air flow-in end, of the filtering medium; spray generated by the spray generating device is positioned on a path of the air flowing from the air flow-in end to the filtering medium. The efficient filtering on the air can be realized; the effective protection on elements can also be realized.

The invention discloses a vehicle-mounted mobile urban air purifying device. According to the vehicle-mounted mobile urban air purifying device, a housing is mounted on a vehicle; the front end of thehousing is provided with an air inlet; a dust cleaning area I is arranged at the rear end of the air inlet; a dust cleaning area II, a main water tank and a circulating water tank are arranged at therear end of the dust cleaning area I, wherein the circulating water tank is arranged at the bottom of the main water tank; the internal top end of the dust cleaning area I is provided with a sprayingdevice which is connected with the main water tank through a water pump; the circulating water tank is communicated with the bottom of the dust cleaning area I; the inside of the dust cleaning area II is provided with an air guide pipe which is communicated with the dust cleaning area I; the dust cleaning area II further achieves high-speed dust cleaning through a dust cleaning brush module or acyclone dust cleaning module. The vehicle-mounted mobile urban air purifying device makes full use of relative movement between the vehicle during travelling and air to guide dust-containing air flowinto the vehicle-mounted mobile urban air purifying device to clean dust pollutants in air reasonably through dust cleaning technology, thereby achieving the aim of urban air purification. The vehicle-mounted mobile urban air purifying device is simple in structure and high in practicality and dust cleaning efficiency.

The invention belongs to the field of coating waste treatment, and relates to a coating waste filtering device. According to the technical schemes of the invention, the coating waste filtering device comprises a material receiving box and a shell; the top ends of the material receiving box and the shell are open; one side of the bottom end of the material receiving box is connected with a liquid outflow pipe with a valve; the top end of the material receiving box is provided with the shell through a fixing frame; a liquid inflow box is installed in one side of the top end of the shell; two filter screen cylinders with driven gears are rotationally connected to one side wall of the liquid inflow box; a second motor located between the two filter screen cylinders is installed on the side wall of the liquid inflow box; an output shaft of the second motor is connected with a driving gear meshed with the driven gears; a residue receiving hopper is movably installed on the outer side wall of the shell; an opening in one end of each filter screen cylinder extends to the position above the residue receiving hopper; and a liquid guide box which is obliquely arranged and located below the two filter screen cylinders is installed in the shell. The device can be used for extracting and filtering filter residues in coating waste, is high in working efficiency, and can be used for drying the filtered solid waste at the same time.

The invention provides a butterfly valve having a screening function. The butterfly valve comprises a cylindrical valve body having a through hollow cavity, at least two butterfly plates and valve rods as many as the butterfly plates, wherein the butterfly plates are matched and arranged in the hollow cavity in the axial direction of the valve body; the butterfly plates and the valve rods are fixedly connected; a shaft sleeve and a positioning sleeve are coaxially arranged in the radial direction of the valve body and matched with the butterfly plates; the valve rods are coated with the shaft sleeve and the positioning sleeve; no medium through hole is formed in the first butterfly plate in the hollow cavity of the valve body along the direction from the inlet of the valve body to the outlet of the valve body; multiple medium through holes are respectively formed in each butterfly plate behind the first butterfly plate; the apertures of the medium through holes formed in the same butterfly plates are the same; and the apertures of the medium through holes formed in different butterfly plates behind the first butterfly plate are different from each other. The butterfly valve having the screening function can realize the adjustment of various small flows, and can filter away impurities, with apertures greater than the apertures of the medium through holes in the butterfly plates in a closing state, in mediums so as to realize primary medium filtration.

The invention provides a novel cylindrical external compression ultrafilter membrane assembly. The novel cylindrical external compression ultrafilter membrane assembly comprises an external coarse filtering unit, an upper end closure unit, a lower end closure unit, and an ultrafilter membrane cluster combination filtering unit and an aeration hole arranged in the external coarse filtering unit; two ends of the external coarse filtering unit are connected with the upper end closure unit and the lower end closure unit respectively; the upper end closure unit is provided with an upper water outlet tube, a gas discharging tube and an ultrasonic device interface, and the lower end closure unit is provided with a water outlet tube and a gas inlet tube; water outlets at two ends of the ultrafilter membrane cluster combination filtering unit are connected with the upper water outlet tube and the lower water outlet tube respectively; and gas holes are arranged at the bottom of the gas discharging tube of the upper end closure unit and the bottom of the gas inlet tube of the lower end closure unit respectively. The ultrafilter membrane assembly has the advantages of compact structure, small occupied area, use convenience, flexible operation, wide application range and good popularization application prospect.

The invention belongs to the technical field of water quality safety detection, and particularly relates to a dielectric sensor probe filtering device. The filtering device comprises a square top cover, screws, a square shell, clamping columns, a baffle, a filter screen, a filter cloth clamp and a base. The square top cover and the square shell are matched in a threaded hole column through the screws, and the square shell and the clamping columns are connected in a matched mode through clamping column bolts. The baffle, the filter screen and the filter cloth clamp are connected between the connecting faces of the square shell and the clamping column in a matched mode. The base is connected with the clamping columns in a matched mode through the screws. The device can filter impurities with different sizes such as silt and algae, has a good filtering effect, can prevent a sensor probe from being damaged, has a certain protection effect on the sensor probe, is simple to mount, can be detached for cleaning and replacement, is convenient to use, and has a relatively good application prospect.

The invention discloses a waste residue collecting device for waste incineration and a using method thereof, and belongs to the field of waste incineration. The waste residue collecting device for waste incineration comprises a box body, wherein a crushing cavity is formed in the upper portion of the box body, two symmetric crushing machines are symmetrically installed on the inner wall of the crushing cavity, blades on the two crushing machines are staggered, the upper portion of the crushing cavity communicates with a feeding pipe, and a separation cavity is formed in the middle of the box body and communicates with the crushing cavity. By means of the waste residue collecting device, furnace slag and fly ash in incineration waste residues can be quickly separated, and subsequent processing is facilitated; moreover, heavy metal contained in the fly ash can be adsorbed to lower the pollution degree of the fly ash, the principle of negative pressure is utilized for making the fly ash float towards a negative pressure cavity, snowflake-shaped adsorption sheets are utilized for adsorbing the fly ash, and adsorbing heavy metal in the fly ash, so that preliminary filtration of the flyash is achieved, and then the fly ash is filtered through a dust settling pocket to ensure that gas discharged in air is unlikely to bring about air pollution.

The invention discloses a heavy metal contaminated soil restoration device, which belongs to the technical field of soil restoration and includes a soil filtering mechanism, a screw feeder, a restoration box, a soil air-drying mechanism, a crushing mechanism, and a soil-turning and washing mechanism. There is a filter plate installed horizontally inside, and there are screening holes on the filter plate. The soil turning and washing mechanism includes a driving motor, a soil turning component, a reciprocating vibration component, a rotating shaft and two spray pipes. Atomizing nozzles are provided at the liquid outlets, a guide slideway is provided at the bottom of the repair box, and a closing plate is provided on the right side of the guide slideway. The invention can realize the washing operation of the soil through the soil turning and washing mechanism, and the soil can be turned over so that the soil can be evenly washed, and the crushing operation of the soil can be realized under the action of the crushing mechanism, so that the soil can be crushed Broken into smaller particles, so that the soil and reactants fully react.

The invention provides a comprehensive water use system for a bridge. According to the comprehensive water use system for the bridge, a baffle and a grate are arranged on a bridge deck water collecting structure, so that preliminary filtering of the collected water amount is realized; a suitable force receiving system is constructed, so that the safety use performance of the structure can be improved; a partition plate and a slope are arranged in a water collection tank, so that the filtering effect is improved; a bidirectional pipe, a water pump, a hard pipe and a spray head are arranged, sothat comprehensive utilization of the collected water amount is realized, the utilization efficiency of water resources is improved, and the system can be used for new construction and re-constructionengineering of overpasses, thereby realizing environment-friendly and efficient water resource utilization.

Relating to the technical field of sewage treatment devices, the invention discloses a household garbage penetrating fluid purification device, and aims to solve the problems that filtering of garbagein a primary filter tank by a simple filter net needs staff to clean the filter net, the labor intensity of the staff is high, and at the same time certain danger exists. A garbage tank is disposed above a filter bin, a filter plate is arranged in the garbage tank, the filter bin and the garbage tank are connected by a material guide hopper, a first sedimentation tank, a second sedimentation tankand a third sedimentation tank are arranged on one side of the filter bin, a flocculation tank is arranged on one side of the first sedimentation tank, the second sedimentation tank and the third sedimentation tank, the flocculation tank is internally equipped with flocculation stirring paddles, one side of the flocculation tank is equipped with a deodorization tank, which is internally equippedwith an activated carbon filtering mechanism, one side of the deodorization tank is equipped with an aeration tank, and one side of the aeration tank is equipped with a standing tank.

The invention discloses a self-circulation type urban central park water treating system and method. The self-circulation type urban central park water treating system comprises a water inlet pipe, a control base station, a treatment module and a water outlet pipe, wherein the treatment module comprises a sedimentation tank and a water changer, a charger is installed at the upper end of the sedimentation tank and is connected to the control station, a water delivery pipe is connected between the sedimentation tank and the water changer, and a magnetic valve is installed on the water delivery pipe and is connected to the control base station. A pneumatic cylinder, a liquid level meter and a stirrer are installed in the water changer, and the pneumatic cylinder and the liquid level meter are connected to the control base station. The water treating method comprises the steps of 1 water guiding, 2 guided water filtration, 3 guided water inflow and 4 guided water change. The water treatment is achieved by adopting sedimentation and water change modes. Firstly, ferric sulfate is added to produce a flocculation effect on water, organic matter, nitrogen, phosphorus and other substances are wrapped and settle; then, and new water is injected into a river in a reduced-pressure vaporization and reliquefaction mode to dilute impurities in the water so as to reduce the concentration of the impurities.

The invention discloses a high-efficiency catalytic oxidation device. The high-efficiency catalytic oxidation device comprises a heat exchanger, a catalytic tank and a filter, wherein one end of the filter is a waste gas inlet end, and the other end of the filter is connected with a fan through a first pipe; the fan is connected with the inlet end of the heat exchanger through a second pipe; the outlet end of the heat exchanger is communicated with the catalytic tank through a third pipe; a combustion chamber and a catalytic bed are arranged inside the catalytic tank; a combustor is arranged inside the combustion chamber; the catalytic tank is connected with the heat exchanger; the catalytic bed is arranged on one side of the combustion chamber; the heat exchanger is further connected witha discharge pipe. The high-efficiency catalytic oxidation device is novel in structure design, has the advantages of low wind resistance, high efficiency and high temperature resistance, and improvesthe waste gas treatment efficiency.

The invention provides a riverway water taking device which comprises a water taking pipe. The water taking pipe is provided with a water sucking end and a water discharging end, and a filtering net cage is arranged at the water sucking end of the water taking pipe. The water taking pipe is downward connected with a heart-shaped delivery device at the water discharging end, a mandrel of the heart-shaped delivery device is outward and transversely connected with a spiral delivery pipe, and the mandrel of the heart-shaped delivery device and an auger shaft of the spiral delivery pipe are coaxially arranged. The heart-shaped delivery device is downward connected with a U-shaped pipe, and two straight pipe portions of the U-shaped pipe are communicated with the heart-shaped delivery device andthe spiral delivery pipe. The U-shaped pipe is of a mesh hole structure, and the cross section sum of mesh holes of the U-shaped pipe is greater than the pipe diameter cross section area of the waterdischarging end of the water taking pipe. The riverway water taking device is simple in structure and convenient to use and achieves the effect of power-free removal of impurities contained in takenwater during water taking.

The invention belongs to the field of sewage treatment, and particularly relates to a sewage treatment system for sewage flow change. The technical scheme comprises that the system comprises a water inlet treatment module and a sewage treatment module, wherein the water inlet treatment module comprises a shell, the bottom end of the shell is connected to a conical residue receiving hopper, one side of the top of the shell is connected to a water inlet pipe, a flow sensor is mounted in the water inlet pipe, a fixed cylinder is fixedly connected to the middle of the top end of the shell, a motorII is mounted at the top end of the fixed cylinder, the output shaft of the motor II is connected to a conical column located above the shell, the bottom end of the conical column is connected to a rotating column, spiral blades slidably connected to the inner wall of the fixed cylinder are installed on the outer side walls of the rotating column and the conical column, the opening in the bottomend of the fixed cylinder extends into the residue receiving hopper, and the spiral blades extend out of the fixed cylinder. The sewage treatment system of the invention can control the primary treatment mechanism to work or not to work according to the change of the flow velocity, so that the energy loss is reduced while the primary sewage decontamination is achieved.

The invention relates to the field of solar water purifiers, specifically a solar water purifier, including a main body mechanism, a limit mechanism, a heat absorption mechanism, a purification mechanism, a sealing mechanism and a reinforcement mechanism; a purification mechanism is installed on the top of the main body mechanism, On the one hand, the purification mechanism realizes the preliminary filtration of water, and closes it when the purification mechanism is not in use, so that the closure of the purification mechanism is realized, and the heat-absorbing mechanism located on the side wall of the main body can Adjust the position with the sun, which is convenient for heat absorption and avoids the disadvantages of moving the installed main body again. Another fixed disadvantage is to drive the reinforcement mechanism to open and contact the ground during the movement of the heat absorption mechanism to the top of the main body to increase the heat absorption. The adhesion between the overall mechanism and the ground is improved, and the fixing effect is better.

The invention discloses efficient wastewater treatment equipment for detergent production. The equipment comprises a first filter box and a second filter box, a spraying device is arranged on the upper surface of the second filter box, the left side surface of the spraying device is communicated with the right side surface of the first filter box through a hose, the bottom end of the spraying device is located in the second filter box, a second filtering device is arranged below the spraying device, the second filtering device is connected to the right side face of the second filter box in a clamped mode, the right side face of the second filter box is communicated with the left end of a water outlet pipe, through the combined action of a water suction pump, a water conveying pipe, a waterstorage tank, a spray head, a brush, a second rotating shaft and a second bearing, comprehensive and effective filtration of wastewater is achieved, the situation that some fine impurities flow out of the second filter box along with water flow is avoided, the wastewater filtering effect is guaranteed, and reuse of the filtered wastewater is guaranteed.

The invention relates to a log information extraction method and device, computer equipment and a storage medium. The method can be applied to various scenes such as cloud technology, artificial intelligence, intelligent traffic and auxiliary driving. The method comprises the steps of obtaining to-be-processed log information, historical log information and a pre-stored historical keyword set, wherein the historical log information comprises historical keywords; performing feature extraction on the historical log information to obtain a public feature parameter set corresponding to the historical log information; filtering the to-be-processed log information according to the public feature parameter set and the historical keyword set to obtain preliminarily filtered log information; determining a longest common substring corresponding to the preliminarily filtered log information by adopting a longest common substring algorithm; and filtering the to-be-processed log information according to the longest common substring to obtain target log information. By the adoption of the method, the log information extraction efficiency can be improved on the premise that no specific keyword exists.

The invention discloses combined slurry smashing and screening equipment based on composite smashing and rotation and straight pressure screening. The equipment mainly comprises a power driving device, a reciprocating driving device, a straight rotation conversion device composed of a rotation cylinder and a push cylinder, a composite slurry smashing device composed of a material cylinder, a spiral rotor, a turbulent flow plate and a turbulent flow cone, a rotation pressure slurry screening device composed of a rotation screening cylinder, a rotation screening drum and a rotation screening rotor and a straight pressure slurry screening device composed of a pressure plate, a straight screening drum, a straight screening cylinder and a bent rod. The combined slurry smashing and screening equipment is characterized in that multi-mode composite slurry smashing and rotation pressure and straight pressure combined slurry screening are achieved. According to the combined slurry smashing and screening equipment, required power is provided for the power driving device and the reciprocating driving device, reciprocating rotation of the turbulent flow plate is achieved through the straight rotation conversion device, composite stirring, smashing and decomposition for slurry smashing are achieved through the composite slurry smashing device, rotation pressure screening on slurry is achieved through the rotation pressure slurry screening device, and reciprocating extrusion screening on the slurry is achieved through the straight pressure slurry screening device.

The invention discloses a multi-stage filtration device for sewage treatment, which relates to the technical field of sewage filtration, comprising: a filter tank, used for preliminary treatment of sewage; and a filter assembly, the liquid inlet end of which is communicated with the liquid discharge end of the flexible filter mechanism; and the flexible filter mechanism can be deformed and adjusted; the flexible filter mechanism includes: a flexible pipe, which has a certain supporting property and a deformable flexible pipe body; at least one filter mechanism, which is adjustable inside the flexible pipe; and a magnetic adjustment mechanism, sleeved on the outside of the flexible pipe, for adjusting the relative at the location of the flexible tube.

A novel columnar external pressure membrane module provided by the present invention includes an external coarse filtration unit, an upper head unit, a lower head unit, an ultrafiltration membrane cluster combination filter unit and an aeration hole arranged in the outer coarse filtration unit; The two ends of the external coarse filter unit are respectively connected to the upper head unit and the lower head unit; the upper head unit is provided with an upper water outlet pipe, an exhaust pipe and an interface for an ultrasonic device, and the lower head unit is provided with There are lower water outlet pipes and air inlet pipes; the water outlets at both ends of the ultrafiltration membrane cluster combined filter unit are respectively connected to the upper water outlet pipe and the lower water outlet pipe; the air holes are respectively set at the bottom of the exhaust pipe of the upper head unit and the inlet of the lower head unit. The top of the trachea. The ultrafiltration membrane module has the advantages of compact structure, small footprint, convenient use, flexible operation, wide application range, and good promotion and application prospects.