512results about How to "Guaranteed Filtration Efficiency" patented technology

The invention discloses a composite filter material for a heat-setting-free pleated filter cartridge and a processing method of the composite filter material. The composite filter material is prepared by taking paper made of plant fibers, synthetic fibers and glass fibers as a base material, and compounding the base material and a polypropylene (PP) or polytetrafluoroethylene (PTFE) synthetic fiber filter film by adopting hot melt adhesive, liquid glue or an ultrasonic composite method. The paper made of the plant fibers, synthetic fiber materials and glass fibers serves as the base material, and the prepared material is a novel composite filter material which is low in airflow resistance, high in tensile strength, diversified in varieties, convenient to fold, wide in application range and excellent in overall performance.

The invention provides an unpowered automatic cleaning laminated filter, which comprises a shell and a filter element, wherein the shell is a cylinder with end covers at two ends; a water inlet and a water outlet are arranged on the two end covers or at positions close to the end parts of the cylinder; the filter element consists of a group of hollow filter discs and a water outlet core pipe; the hollow filter discs are sleeved on the water outlet core pipe; a distance is kept between each two adjacent hollow filter discs; the effluent of the hollow filter discs flows into the water outlet core pipe; and one end of the water outlet pipe is closed, while the other end is provided with a water outlet, which is connected with the water outlet of the filter or directly serves as the water outlet of the filter. The filter also has a washing device which comprises a cleaning brush holder, a cleaning brush, a driving device and a mounting frame, wherein the mounting frame is connected with the driving device; the cleaning brush is fixed on the mounting frame; the head of the cleaning brush is positioned on the surface of the annular filter discs; and the cleaning device is driven by the driving device to rotate to realize the cleaning of the filter discs. The filter can be used for filtering ship ballast water, cooling water and the like.

The invention provides a domestic sewage separator, which comprises a cuboid sewage treatment box, wherein a filtering plate is arranged in the sewage treatment box in an inclined way; filtering holes are uniformly distributed in the filtering plate; a stirring and scraping device is arranged above the filtering plate; a hole cleaner comprises a hole cleaning tube, bearing support trolleys, inclined rails, a rope, a winch and pressure sensors; the two inclined rails are symmetrically arranged in the sewage treatment box, and are arranged under the filtering plate in parallel; bulges are arranged on the hole cleaning tube; the two ends of the hole cleaning tube are arranged on the bearing support trolleys through a rotating shaft; the bearing support trolleys are glidingly arranged on the inclined rails; one end of the rope is connected with the bearing support trolleys, and the other end of the rope is connected with the winch after bypassing a pulley; the pressure sensors are arranged at the top end and the bottom end of the inclined rails; a bottom plate is arranged in the sewage treatment box in an inclined way. The domestic sewage separator has the advantages that the structure is compact and reasonable; the sewage filtering effect is good; insoluble garbage sundries can be effectively separated; sundry residues in the filtering holes can be automatically cleaned.

The invention provides an efficient domestic sewage separation device, which comprises a hollow cylindrical sewage treatment tank with a cover plate at the top end, a filter vat, a stirring scraper and a hole cleaning barrel, wherein the filter vat is arranged at the center of the sewage treatment tank, filter holes are uniformly distributed in the side wall of the filter vat, a sundry opening is formed in the bottom of the filter vat and the top end of the filter vat is connected with a first rotating shaft; the first rotating shaft is driven by a first motor; the bottom of the sewage treatment tank is connected with the lower segment of the filter vat through an annular bottom plate which inclines towards the center of the inner side; the stirring scraper is arranged in the filter vat and comprises a second rotating shaft and a spiral plate arranged on the second rotating shaft; the second rotating shaft is driven by a second motor; and the hole cleaning barrel is arranged at one side of the filter vat, the top end is rotationally connected with the cover plate through a third rotating shaft and bumps matched with the filter holes of the filter vat are uniformly distributed on the side wall. The efficient domestic sewage separation device has the advantages that the structure is compact and reasonable, the sewage filter effect is good, insoluble waste sundries can be effectively separated, sundry residues in the filter holes are automatically cleaned and the filtering efficiency of the filter device is ensured.

The invention discloses a sample pumping and filtering apparatus, which is used for providing a sample pumping and filtering apparatus for automatically removing silt aggregated on the filter blanket surface, and effectively solves the problems that the silts aggregate in the gaps of a filter blanket which are difficult to remove and may cause filter blanket failure. The invention comprises vacuum-pumping equipment, a liquid storage container, an adaptive floating bearing apparatus, and a sample storage cavity, a self-cleaning cavity and a vacuum-pumping cavity which are arranged in the liquid storage container from up to bottom in order; the liquid storage container is provided with an upper and a lower interlayer, and the upper interlayer separates the sample storage cavity and the self-cleaning cavity, and the lower interlayer separates the self-cleaning cavity and the vacuum-pumping cavity. The upper interlayer is provided with a first water through hole. The lower interlayer is provided with a second water through hole, which is internally provided with filter blankets. The vacuum-pumping equipment is communicated with the vacuum-pumping cavity by vacuum-pumping pipeline. The top of the lower interlayer is provided with a vertical drainage channel, and the lateral surface of the liquid storage container is provided with a water outlet channel which is communicated with the vertical drainage channel. The vertical drainage channel is provided with a cylindrical valve core.

The invention discloses a filtering device used for gas-solid separation. According to the device, the deformation capability of a filtering element is between that of a rigid filter pipe and that of a flexible filter bag, so that compared with the flexible filter bag, the service life of the filtering element is prolonged; and compared with the rigid filter pipe, the axial vibration is generated by the filtering element to reinforce ash cleaning. The filtering device comprises a box body; the box body is internally provided with a pore plate; a plurality of external filtering type filter bags are arrayed on the pore plate, and one end of each external filtering type filter bag is opened and the other end of each external filtering type filter bag is closed; the opening ends of the filter bags are mounted on the pore plate and the closed ends of the filter bags are connected with elastic traction devices for axially tensioning the filter bags; and the filter bags are further internally provided with inner supporting assemblies for elastically tensioning the whole bodies of the filter bags in the radial direction. The filter bags are in an axial and radial bidirectional stretching state under the common effect of the elastic traction devices and the inner supporting assemblies; and the deformation capability of the filter bags can represent the intermediate state between that of a rigid filter element and that of a flexible filter element.

The invention provides a laminated filter with an automatic cleaning device. The laminated filter comprises a shell and a filter element, wherein the shell is a cylinder of which the two ends are provided with end covers; a water inlet and a water outlet are formed on the two end covers or close to the ends of the cylinder respectively; the filter element consists of a group of hollow filtering disks and a water outlet core tube; the hollow filtering disks are sleeved on the water outlet core tube; space is reserved between two adjacent hollow filtering disks; water from the hollow filtering disks flows into the water outlet core tube; one end of the water outlet core tube is closed, while the other end is provided with a water outlet which is connected with the water outlet of the filter or directly used as the water outlet of the filter; the laminated filter is also provided with a cleaning device which comprises a cleaning brush frame, a cleaning brush, a driving device and a mounting frame; the mounting frame is connected with the driving device; the cleaning brush frame is fixed on the mounting frame; the head of the cleaning brush is positioned on the surface of the annular filtering disk; and the cleaning device is driven to rotate by the driving device so as to clean the filtering disks. The laminated filter can be used for filtering the ballast water, cooling water and the like of ships.

The invention discloses a movable efficient formaldehyde removal and air purification device, which comprises a case, a case door, an air inlet, a filter cartridge, an air outlet, a base and a controlsystem, wherein the air inlet is formed in the side surface of the case, the air outlet is formed in the upper portion of the case, the control system is arranged at the bottom of the case, a drivingdevice is arranged on the base, and the filter cartridge is arranged in the case, is of a multi-layer structure and comprises a filter layer, an adsorption layer and a decomposition layer. By adopting a purification mode of multi-stage filtration, active carbon adsorption and decomposition of formaldehyde with manganese-based oxide, solid and gas pollutants in air can be efficiently purified at the same time, and formaldehyde is thoroughly decomposed into carbon dioxide and water; the air purifier can automatically move to purify multi-area air through movable and infrared induction so as toachieve the effect of one-machine multi-room and multi-area circulating continuous purification; and the movable efficient formaldehyde removal and air purification device is high in air purificationefficiency, good in formaldehyde removal effect, simple in structure, economical, environmentally friendly and suitable for productization and large-scale application and popularization.

The invention provides a sewage anti-blockage machine which comprises a filter bin and a backwashing bin communicated with the bottom surface of the filter bin, wherein a sewage inlet and a filtering water outlet are formed in the side wall of the filter bin; the horizontal position of a filter plate is arranged between the sewage inlet and the filtering water outlet; a through hole is formed in the center of the filter plate; a device for collecting and discharging impurities passes through the through hole and is vertically arranged in the filter bin; the device for collecting and discharging impurities comprises a water resistance part, a lower connecting rod and a plug which are sequentially connected from top to bottom; the lower end of the water resistance part is connected with a cylindrical filter screen which does not have a lower bottom wall; the size of the plug is matched with that of a communicating hole between the filter bin and the backwashing bin; the device for collecting and discharging impurities enters the backwashing bin through the communicating hole; the filtered water is used by a hot pump, the return water of the hot pump is used for carrying out backwashing on the inner wall of the filter screen, and the device for collecting and discharging impurities is reset to the initial position after backwashing. The sewage anti-blockage machine is simple in structure, is capable of collecting and discharging the impurities while guaranteeing the filter area and the filter efficiency, and is capable of continuously working.

The invention provides a domestic sewage treatment device. The domestic sewage treatment device comprises a column-shaped sewage treatment box, a water inlet pipe and a water outlet pipe, wherein an inverted conical filtering funnel is arranged in the sewage treatment box; a filtering paddle is arranged at the bottom of the inner side of the filtering funnel; the filtering paddle comprises at least two filtering blades which are symmetrically arranged; each filtering blade is arc-shaped; a scraping plate is arranged at the end part of each filtering blade; the bottom surface of each filtering blade is parallel with the conical surface of the filtering funnel; a hairbrush is arranged at the bottom of each filtering blade; a through hole is formed in the side wall, on which the filtering funnel is arranged, of the sewage treatment box; the bottom surface of the through hole is parallel with the upper plane of the filtering funnel; and a U-shaped stirring paddle is arranged at the center of the bottom in the sewage treatment box and is driven by a second motor arranged at the bottom of the sewage treatment box. The domestic sewage treatment device has the advantages that the filtering device and the stirring device are combined, so the structure is compact and reasonable; garbage sundries in the domestic sewage can be effectively filtered and the maintenance cost is reduced; and the garbage sundries on the filtering funnel can effectively rotate to be separated from the filtering funnel under the action of the filtering paddle, so the filtering efficiency of the funnel is guaranteed.

The invention belongs to the field of filtering materials and discloses a low-impedance high-efficiency air filtering material and a preparation method thereof. By the air filtering material and the preparation method thereof, resistance in operation of the air filtering material can be reduced while filtering efficiency is guaranteed, and energy consumption is reduced. The air filtering material comprises a base layer and a thin film layer, the thin film layer is fixedly connected to the surface of the base layer, the base layer is a nonwoven needled filter felt, and the thin film layer is a nano fiber nonwoven layer which is repeatedly and cyclically sprayed to the surface of the base layer by means of electrostatic spinning.

The invention discloses an organic substrate for cultivated crops and a preparation method of the substrate. The organic substrate for cultivated crops comprises the following components in parts by weight: 150-200 parts of plant organic matters, 5-10 parts of animal organic matters, 10-20 parts of fillers, 1-3 parts of microbial inoculums, 0-2 parts of pH regulators and 0-2 parts of EC regulators. The organic substrate for cultivating crops is obtained through high-temperature fermentation, can effectively remove germs, eggs and weed seeds, has rich nutrient components, can enhance the immunity of crops, and improve the quality and yield of the crops, thereby meeting the requirements of urban agriculture on shallow soil cultivation, simple configuration and convenient planting and maintenance, and particularly can effectively solve the problem of low yield caused by insufficient air permeability, water retention and colonization of the substrate when high temperatures and monsoons occur in summer in southern cities.

The invention belongs to the technical field of kitchen appliances and provides an ultrasonic no-clean kitchen ventilator without a pipe. The kitchen ventilator includes a housing 1, a cooking fume filtering device 6, a cooking fume cleaning device 5, a draught fan 2 and the like. An air suction port 3 and a vent port 4 are formed in the housing 1, and when the draught fan 2 is started, cooking fume is sucked in from an air inlet 12, filtered by the cooking fume filtering device 6 and then discharged from the vent port 4. The housing 1 also internally includes the cooking fume cleaning device5 sleeving the cooking fume filtering device 6, and the function of automatically cleaning away the filtered cooking fume can be achieved to maintain the cleanness and cooking fume filtering efficiency of the cooking fume filtering device 6. The invention also provides a cooking fume filtering and removal method adopting the ultrasonic no-clean kitchen ventilator without a pipe, the cooking fume is directly filtered and removed, clean air is discharged, the installation, construction and maintenance costs of traditional kitchen ventilators and pipes are omitted, environmental pollution is notcaused, and the problem of manual cleaning is avoided.

The invention provides a multifunctional filter plate, a filter press provided with the multifunctional filter plate and a making method of the multifunctional filter plate. The multifunctional filter plate comprises a core plate of a flat plate structure, filter plate frames fixedly arranged at the outer edges of the left side and the right side of the core plate, electrode heating plates fixedly arranged between the core plate and the filter plate frames and a feeding hole penetrating through the electrode heating plates and the core plate in the left-right direction; a material filling cavity communicated with the feeding hole is formed between the inner circumferential surface of each filter plate frame and the outer side face of the corresponding electrode heating plate, each electrode heating plate is provided with a plurality of protruding parts which protrude outwards and are arranged in the corresponding material filling cavity, an inner water flow groove is formed in the inner side of each protruding part, the left outer side face and the right outer side face of the core plate are provided with a plurality of outer water flow grooves, the inner water flow grooves and the outer water flow grooves are communicated to form a heating cavity, and the electrode heating plates are connected with a power source through wires. Filter cakes in the material filling cavities can be subjected to heating dehydration and electrodialytic deep dehydration through the electrode heating plates, so that the moisture content of the filter cakes is further lowered.

The invention discloses vibration type filtering equipment for oil exploitation. The equipment includes a first box body, wherein supporting rods are fixedly connected to the side walls of the left end and the right end of the first box body; the upper ends of the two supporting rods are fixedly connected with a second box body; a feeding hole is formed in the top surface of the second box body; aslag outlet is formed in the side wall of the second box body; a first filtering mechanism is arranged in the slag outlet in a penetrating manner; one end, positioned in the second box body, of the first filtering mechanism is rotationally connected with the inner wall of the second box body; the driving of the first filtering mechanism penetrates through the bottom of the second box body in a sliding manner, a collecting tank is fixedly connected to the side wall of the second box body below the slag outlet, a first guide pipe is communicated with the bottom of the collecting tank, and a second guide pipe is communicated with the bottom of the second box body. According to the petroleum filtering device, petroleum can be filtered multiple times, the petroleum filtering effect is improved, the filtering net can be vibrated, the filtering net is prevented from being blocked, and the filtering effect is ensured.

The invention discloses a simple efficient solid fermentation device including a discharge port, a breathable material-supporting turnover plate, compressed air control valves, cloth material scraping paddles, a one-way exhaust valve, a motor, a top seat, a feed inlet, an outer cylinder body, an inner cylinder body, a stirring shaft, a first temperature measurement port, a second temperature measurement port, a thermal control device, a humidity instrument, an ultrasonic steam atomizing device and a disinfection device, wherein the motor is arranged at the upper side of the fermentation device through the top seat; the feed inlet is arranged at one side of the upper part of the fermentation device; the first temperature measurement port and the second temperature measurement port are respectively arranged at a middle part and a lower part of the fermentation device; the electric thermal control device is arranged below the first temperature measurement port; the humidity instrument is arranged at the lower part of the fermentation device; the ultrasonic steam atomizing device is arranged below the humidity instrument; the disinfection device is arranged at one side, opposite to the ultrasonic steam atomizing device, of the lower part of the fermentation device; porous regulating ventilation of compressed pure air is achieved through a plurality of compressed air control valves; the discharge port is arranged at the bottom of the fermentation device.

The invention discloses a machining cutting fluid filtering device containing various metal shavings, which comprises a permanent magnet, a box cover, a second valve, a filter screen, a third valve and a filter screen, and the permanent magnet is used to filter the cutting fluid The iron filings are adsorbed, and the cover is used to seal the iron filings filter box to prevent the cutting fluid in the iron filings filter box from splashing out and polluting the surrounding environment, which improves the practicability of the equipment. When other metal chips in the filter are filtered, the second valve is opened to allow the cutting fluid in the chip filter box to enter the first filter box through the second guide pipe. When the filter set in the first filter box reaches saturation, Firstly close the second valve, further open the third valve so that the cutting fluid in the iron chip filter box enters the second filter box through the third end of the first three-way pipe, and the cutting fluid is filtered by the filter set in the second filter box. Continue to filter.

The invention discloses a vehicle-mounted type sewage recycling system. The vehicle-mounted type sewage recycling system comprises a sewage tank, wherein a sewage collecting tube is arranged in the sewage tank; a sewage discharge valve is arranged at the bottom of the sewage tank; a vertical type filter system is fixed in the sewage tank; a spray rod with a high-pressure spray head is arranged at the inner part of the vertical type filter system and is connected with an external high-pressure water tube; a water outlet of the vertical type filter system is connected with a water inlet of a hollow fiber membrane assembly system through a sewage tube; a water pump system is arranged on the sewage tube; a water outlet of the hollow fiber membrane assembly is connected with two branches, one branch is connected with a regenerated clear water pipeline, and the other branch is connected with a concentrated water reflux pipeline; the concentrated water reflux pipeline is accessed into the sewage tank. According to the vehicle-mounted type sewage recycling system, a physical filter mode is adopted to effectively prevent secondary pollution in a sewage recycling process; and the amount and the quality of the circulated regenerated water are ensured because of effective lockage prevention of a classified filtering mode.

The invention relates to a high temperature-resistant polyaryloxadiazole nonwoven filter material and a preparation method thereof. The high temperature-resistant polyaryloxadiazole nonwoven filter material is prepared by blending 20-70wt% of a polyaryloxadiazole fiber with 30-80wt% of other heat resistant fibers. The polyaryloxadiazole fiber is added in the further blending of the original heat resistant fibers, so the filtering efficiency is guaranteed, and the continuous safe use performance of a filter felt in long-term high temperature environment is further improved. The filter felt and a filter bag made by adopting the filter material have higher cost performance than those made by adopting high temperature-resistant filter materials in the prior art.

The invention relates to the field of dust removers, in particular to a pulse bag type dust remover which comprises a dust remover body, an air inlet and outlet mechanism, a support, a mounting mechanism, a partition plate, a filter bag, a pressing ring, a mounting opening, a pressing ring, a toothed plate, a spring, a supporting plate and a gear. The beneficial effects of the pulse bag type dustremover are that: when the filter bag is mounted and replaced, the top end of the filter bag is placed in the mounting opening in the surface of the partition plate, the gear on the support plate is rotated anticlockwise to realize relative movement of the two toothed plates, the spring contracts and thus the two toothed plates are contracted to the inner wall of the pressing ring; further, the pressing ring is placed in the mounting opening; at the moment, the top edge of the filter bag is clamped between the partition plate and the pressing ring; the two toothed plates are reset through thetwo springs by loosening the gears so that the opposite ends of the two toothed plates are clamped into the holes in the inner wall of the partition plate, the filter bag is fixed, operation is easy,the filter bag is convenient to replace and install, and the filtering efficiency of particulate matter in gas is guaranteed.

The invention provides a desulfurization wastewater treatment system and a desulfurization wastewater treatment method. The desulfurization wastewater treatment system comprises a desulfurization device, a wastewater cyclone, a sand filtration system, a flue-type heat exchanger, an ultrasonic atomization device and a dust removing device, wherein the wastewater cyclone is used for solid-liquid separation of desulfurization wastewater; the sand filtration system is used for filtering the desulfurization wastewater; the flue-type heat exchanger is located in the inlet flue of the desulfurization device, and the desulfurization wastewater exchanges heat with high-temperature flue gas in the flue-type heat exchanger; the ultrasonic atomization device has a nozzle and atomizes the desulfurization wastewater to form droplets; the dust removing device has an inlet flue; the nozzle of the ultrasonic atomization device is arranged in the inlet flue of the dust removing device so as to allow the atomized desulphurization wastewater to be sprayed into the inlet flue of the dust removing device; the atomized desulfurization wastewater is dried by high-temperature flue gas, and inorganic salt particles are precipitated; and the inorganic salt particles enter the dust removing device and are then removed.

The invention discloses a sewage recycling device, and belongs to the technical field of sewage treatment. The problem that a filter net is easily blocked in an existing device can be solved. The sewage recycling device has the technical characteristic of comprising a bottom plate, a casing and a support table, wherein a support table is directly above the bottom plate, a rectangular through slotis formed in the center of the support table, and a casing is arranged in the rectangular through slot; a water inlet is formed in the upper surface of the casing, a filter chamber for filtering sewage is formed in the center of the casing, and the filter chamber communicates with the water inlet; and two circulating chambers are symmetrically formed in two sides of the casing, a filter assembly is disposed in the filter chamber, and a second stirring assembly is disposed under the filter assembly. The sewage recycling device has simple operation and high sewage treatment efficiency, and the height adjustment of the casing is convenient at the same time, so that sewage and a sewage treatment agent are fully mixed; and blockage caused by impurities on an activated carbon filter screen can be avoided through arrangement of an exhaust mouth, so that the filtration efficiency is ensured.